31results about "Winding mechanisms" patented technology

The invention provides an elevator apparatus comprising a cage 1 disposed inside a path of upward or downward movement vertically movably, a counterweight 2 vertically movable with the upward or downward movement of the cage 1, and a lift drive mechanism for driving the cage 1 upward or downward. The drive mechanism comprises a sheave 42 disposed inside the path, ropes 3 extending along a route around the sheave 42, and a drive device 5 in engagement with the ropes 3. The drive device 5 comprises a belt transmission provided alongside the ropes 3 and revolvingly movable along the rope extension route, a mechanism for pressing a belt surface of the belt transmission into contact with the ropes 3, and a drive motor for driving the belt transmission. The cage can be driven upward or downward without using any traction sheave, while the cage can be reduced in weight.

An actuating device for an elevator having a gearless drive having a motor, a traction sheave over which support ropes are passed and a motor braking device is in the form of a hand drive adapted to be engaged with the motor shaft for emergency elevator operation with a handwheel for manual motor shaft activation. The hard drive may include a gear coupling the handwheel and an output coupling in the form of a grooved hub. The braking device of the elevator is mounted to a pedistal having a cover with an opening through which the hub may be inserted to engage the motor shaft.

The invention discloses two tripper cars of an electric variable-amplitude type wheel-bucket stack-taking machine. The two tripper cars comprise a first-tripper-car steel structure, a second-tripper-car steel structure and an electric variable-amplitude device, wherein the electric variable-amplitude comprises a hoisting mechanism, a pulley mechanism and an oscillating bar; the front end of the oscillating bar is provided with a pair of second hinge points which are symmetrical; the middle part of the oscillating bar is provided with a pair of first hinge points which are symmetrical; the second hinge points are hinged with the tail end of the first-tripper-car steel structure; the first hinge points are hinged with the front end of the second-tripper-car steel structure; the hoisting mechanism is connected with the front end of the second-tripper-car steel structure by the pulley mechanism; and the position change of the second-tripper-car steel structure is realized by the take-up and pay-off of the steel wire rope of the hoisting mechanism, so that the conversion of a stacking function and a taking function is realized. The invention has advantages of quick response action, small footprint, low cost and convenient maintenance.

The invention relates to a potential energy recovery utilization system, a control method and engineering machinery equipment; the potential energy recovery utilization system comprises a DC motor (6), an electric energy storage part (8) and a control part; the DC motor (6) comprises an input end and an output end, wherein the input end is connected with a rotary part in a winch system (5), and the output end is connected with the electric energy storage part (8); the control part is used for controlling the DC motor (6) to work in a corresponding mode according to different working conditions, thus realizing energy conversion. The potential energy recovery utilization system can use the DC motor to simultaneously realize the winch system lowering potential energy recovery and utilization, can directly convert the mechanical energy into electric energy in energy recovery, can release stored energy without adding new parts, so the system structure can be simpler, thus using low cost to realize energy recovery utilization.

The invention relates to an automatic wire cable winding device. The automatic wire cable winding device is used for winding a wire cable onto a roller or unwinding the wire cable out of the roller. The wire cable winding device comprises a base, the roller rotationally installed on the base, a first drive assembly arranged on the roller and driving the roller to rotate, and a wire cable arrangement mechanism movably arranged on the base, wherein a penetrating hole allowing the wire cable to penetrate through is formed in the wire cable arrangement mechanism; the wire cable arrangement mechanism is capable of moving in the length direction of the roller, and driving the wire cable to move in the length direction of the roller, and then the operation of orderly winding the wire cable onto the roller or unwinding the wire cable out of the roller is realized in cooperation with the rotation of the roller. According to the wire cable winding device, the wire cable can be driven to be automatically and orderly wound, unwound and arranged in the length direction of the roller through the wire cable arrangement mechanism, so that the problem that the wire cable cannot be smoothly wound and unwound because of being disorderly wound onto the roller is avoided.

The invention relates to a planetary gear train built-in construction winch device, comprising a rack, a motor, a control switch, and a steel wire rope. The control switch is arranged on the upper part of the rack. The motor is arranged above the control switch. A side of the motor is provided with a coupling. A side of the coupling is provided with a coiling block. The outer side of the coiling block is winded with the steel wire rope. The center of the coiling block is provided with a gear shaft. The gear shaft is provided with a gear planet carrier. A side of the gear shaft is provided with a planet wheel and a planet gear. A side of the planet gear is provided with the planet carrier. Since a planetary wheel reducing mechanism is arranged in the coiling block, weight is reduced, space is reduced, manufacturing cost of the device is low, structure is compact, and use is convenient.

The invention relates to a monitoring device and in particular relates to an automatic and safe monitoring device for preventing a wire rope of a winding engine from separating from a groove. The monitoring device comprises a base, a position induction device and a position sensor, wherein one end of the position induction device is rotationally connected with a base; the other end resists against the wire rope of the winding engine; the position sensor comprises a signal emission component and a signal receiving component; the position of one component is fixed; the other component is connected with the position induction device, and a signal is transmitted when the positions of the two components correspond. The safe monitoring device has the characteristics of monitoring in real time and alarming immediately, and can effectively avoid production accidents.

The invention relates to a realizing method of an intelligent electric-block operating handle. The traditional electric-block operating handle has single function and only has the functions of rising/dropping, increasing speed/decreasing speed, and the like. The realizing method comprises the following steps of: firstly, initializing a microprocessor module, a CAN (Controller Area Network) communication module, a display module and a control module in the intelligent electric-block operating handle; then, obtaining user key information by scanning a keyboard by the control module and returning the user key information to the microprocessor module; finally, sending a data frame corresponding to a key value to a main electric-block controlling system by the microprocessor module according to the returned key value through the CAN communication module; and after the main electric-block controlling system receives the data fame, controlling an electric block according to data content. The realizing method adopts weak current, has safer operation and uses a CAN communication protocol, and a controller is used for controlling the electric block in a programmable mode so that a control process becomes intelligent.

The double driving mechanism for rope winch features that one main sheave and one transition sheave beside the main sheave constitute double pulley driving and the main sheave and the transition sheave operate synchronously in the same linear speed. The main sheave has independent ropeway inlet and ropeway outlet, and the steel cable is made to enter through the ropeway inlet to the main sheave, pass through the transition sheave and come out the main sheave through the ropeway outlet. The present invention has no steel cable creeping, smooth running, less wear and other advantages.

The invention discloses a comprehensive protection controlling device of a mining conveyor. The comprehensive protection controlling device of the mining conveyor comprises an explosive-proof cavity intrinsic safe power input, a mining explosive-proof intrinsic safety type console, a protector, a relay, a mining explosive-proof reversible electromagnetic starter, an explosive-proof electric-hydraulic thruster and a winch main motor. The comprehensive protection controlling device of the mining conveyor is characterized in that the explosive-proof cavity intrinsic safe power input is connected into the protector, then into the relay and the mining explosive-proof reversible electromagnetic starter after processing by the mining explosive-proof intrinsic safety type console and finally into the explosive-proof electric-hydraulic thruster and the winch main motor of the conveyor, the protector collects various parameters in the process of pulling materials by the conveyor, the parameters are transmitted to the mining explosive-proof intrinsic safety type console in a weak current signal mode to be processed, after processing by the mining explosive-proof intrinsic safety type console, power failure and power delivery signals are output to the relay and the mining explosive-proof reversible electromagnetic starter, and thereby, starting and halting of the winch main motor and safety braking and brake releasing of the explosive-proof electric-hydraulic thruster can be achieved. By means of the comprehensive protection controlling device of the mining conveyor, various functions of the mining conveyor, such as over reel protection, over speed and under speed protection, scram protection and screen display can be achieved, and the mining conveyor is safe and reliable during usage in underground coal mine.

The invention relates to the technical field of logistics, in particular to a novel platform cigarette truck loading device which comprises a support frame, a conveyer belt, a fixed pulley, a connecting rope and a winch, wherein the support frame is fixed on a platform; one end of the conveyer belt is connected with the top end of the support frame and rotates around a connecting point; the connecting rope is fixed on the winch and bypasses the fixed pulley to be connected with the side face at the other end of the conveyer belt; and under the condition that the speed of a handle does not vary, the winch can realize variation of the shrinking speed of the connecting rope. With adoption of the novel platform cigarette truck loading device, the time for handing over cigarettes can be effectively saved during the cigarette loading process, manpower consumption is reduced, the time for loading the cigarettes on the truck is shortened and safety is effectively safeguarded.

A compact-type built-in differential velocity regulating winch which is a winch can solve the problems that existing winch velocity regulating systems are complex and mechanical transmission requireslarge space. An electromotor is used for driving a high-speed level gear sleeve, a high-speed level sun gear and a high-speed level planet gear so as to lead a high-speed level gear holder to rotate.A transmission shaft is used for leading a low-speed level sun gear to rotate. A low-speed level planet gear is used for leading a low-speed level gear ring to rotate. A low-speed level gear holder and a roller device do not rotate. During the normal operation of the electromotor, a pressure regulating valve is manually braked; two braking springs cause a braking block to brake a braking plate; simultaneously, a velocity pressure regulating valve is manually operated; a velocity regulating spring causes a velocity regulating brake block to brake a velocity regulating plate; the low-speed levelgear ring fixedly connected with the velocity regulating plate stops rotation; the low-speed level planet gear drives the low-speed level gear holder to rotate; the roller rotates accordingly; therefore, the work of weight lifting is finished. The compact-type built-in differential velocity regulating winch has compact structure, occupies a small area and does not need large space. Simultaneously, the velocity regulation is realized by means of hydraulic regulation, and the integral structure is simple.

The invention discloses an intelligent carrying device based on visual identification. The intelligent carrying device comprises a rotating mechanism, a connecting sleeve, a clamping mechanism, a hoisting mechanism and a camera. When an image shot by the camera shows that hoisting holes are symmetrically distributed on the two sides of the image, the carrying device uses the clamping function of the clamping mechanism; and when the shot image shows that two hoisting rings or four hoisting rings are symmetrically and evenly distributed on the integral central surface of the image, the carrying device is hoisted by steel wire rope hoisting hooks of the hoisting mechanism. By means of the device, corresponding clamping and hoisting functions can be achieved for different kinds of materials with hoisting rings and flanges with hoisting holes in the two sides, maximum dense storage of a warehouse is achieved, meanwhile, manual steps are reduced, and the automation level of the warehouse is improved.

The invention discloses a large-rope-capacity winding drum which comprises a winding drum body, a rope feeding end plate and a blocking plate on the other side. A rope folding groove is arranged on the winding drum body, a rope feeding gap is formed in the winding drum body or the rope feeding end plate, the inner side faces of the rope feeding end plate and the blocking plate are further respectively provided with rope supplementing protrusions which are concentrically distributed from inside to outside and from a first layer to an mth layer respectively, and the m is a maximum winding layer number of the winding drum. Each layer of rope supplementing protrusions consists of A-side protrusions arranged on the rope feeding end plate and B-side protrusions arranged on the blocking plate, and the height of the rope supplementing protrusions and the outer diameters of concentric circles where the protrusions are located change according to the winding directions and diameter rules of steel wire ropes, so that the rope supplementing protrusions of corresponding layers restrain the ropes between the rope feeding end plate and the blocking plate when all of layers of steel wire ropes are wound on the winding drum. The large-rope-capacity winding drum is simple in structure, can be used for modifying old winding drums and adopt new winding drum design and is especially suitable for a hoisting mechanism with the requirement for winding of ultra-long steel wire ropes, and the multiple layers of steel wire ropes are not in a mess during winding.

The invention relates to a convenient-to-transport winch with an arranging function. The winch comprises a base, a supporting frame, a driving motor, a first bearing, a roller, a cable and a hook, wherein an arranging mechanism is arranged above the roller, a notch is formed below the base, a transporting mechanism is arranged in the notch, the arranging mechanism comprises a screw rod, a moving block, two transmitting units and two second bearings, the transporting mechanism comprises a lifting assembly, a lifting plate, two limiting assemblies and a plurality of rolling wheels. According tothe convenient-to-transport winch with the arranging function, the cable is orderly wound on the rolling wheels through the arranging mechanism, the situation of influencing the work of a machine dueto the fact that the cable is clamped is avoided, the trouble is reduced for a user, and moreover, the rolling wheels are lowered through the transporting mechanism, so that the user can convenientlycarry a winch, and the practicability is improved.

The invention discloses a system for lead screw rope arrangement of a well drilling winch. The system is mainly composed of a lead screw (4), a driving device (1) and a nut (5), wherein the driving device (1) is connected with the lead screw (4), the nut (5) is installed on the lead screw (4) in a sleeved mode, and a reversing device is installed on the lead screw (4) in a sleeved mode. The invention further discloses a method for the lead screw rope arrangement based on the system for the lead screw rope arrangement. According to the system and the method for the lead screw rope arrangement of the well drilling winch, structure is compact, machining is easy, a transmission ratio of the lead screw rope arrangement is standard, the rope arrangement is relatively even, dense, simple and direct, and installing is convenient.

A portal crane for roads and bridges comprises a base, an outer barrel is fixedly mounted on the base, a plurality of coaxial inner barrels are rotatably mounted in the outer barrel, the inner diameters of the inner barrels are gradually increased from inside to outside, strip-shaped through grooves are formed in the bottom sides of the inner barrels and the bottom side of the outer barrel respectively, and one side of the periphery of the inner barrel on the innermost side is fixedly connected with one end of a steel wire rope. A nut is installed on the periphery of the reciprocating lead screw in a threaded fit mode, the sleeve is fixedly connected with the nut, a driving device capable of driving the inner barrels to rotate is arranged on the base, and when one inner barrel rotates, the inner barrel inside the inner barrel synchronously rotates along with the inner barrel, and the inner barrel outside the inner barrel is static. The device is simple in structure and ingenious in conception, multiple layers of steel wire ropes are wound on different inner barrels, extrusion and abrasion between the steel wire ropes are reduced, the service life of the steel wire ropes is prolonged, the steel wire ropes are wound on the inner barrels with different diameters, the steel wire rope winding and unwinding speed is adjusted, the market requirement can be met, and the device is suitable for popularization.

A concrete charging bucket landing anti-swing system for a dam construction cable crane comprises a feeding positioning mechanism and a traction speed regulation mechanism. In a feeding platform of the feeding positioning mechanism, two fixed pulleys are fixed to the inner side of a fort ridge, a wheel disc is parallel to the ground, double-drum winches are installed on the fixed pulleys in the horizontal direction, and a first rope and the fixed pulleys jointly form a four-line rail, so that a charging bucket moves back and forth under traction of the winches and can be accurately and rapidlyin place. The traction speed regulation mechanism comprises a cable crane lifting hook provided with a speed sensor and an upstream cable-stayed positioning winch connected with a self-adaptive speedregulator, and the cable crane lifting hook and the upstream cable-stayed positioning winch can enable the charging bucket to be quickly positioned at a dam bin position needing to be poured and prevent collision accidents when the cable crane charging bucket enters the bin. The time efficiency and the safety of hoisting the heavy object by the cable crane are greatly improved.

The lifting shaft comprises an outer shaft, a steel wire rope, a first inner shaft and a second inner shaft, the outer shaft is provided with a through hole in the axis direction of the outer shaft, a connecting hole is formed in the side wall of the outer shaft, and the connecting hole communicates with the through hole; one end of the steel wire rope passes through the connecting hole and is wound in the through hole to form a steel wire ring and penetrates out of the connecting hole; the first inner shaft and the second inner shaft are detachably installed in the through hole of the outer shaft, located on the two sides of the steel wire ring respectively and used for fixing the steel wire ring. According to the lifting shaft convenient to disassemble and used for the mining machinery, the steel wire ring is fixed in the outer shaft through the first inner shaft and the second inner shaft, the steel wire ring can be disassembled by disassembling the first inner shaft and/or the second inner shaft, then disassembling is convenient, and the steel wire rope is stably fixed.

The invention relates to a rope discharging capstan device and a rescue vehicle. The rope discharging capstan device comprises a capstan, a first rope discharging device and a second rope dischargingdevice, wherein the first rope discharging device is used for discharging a rope in the first direction, the second rope discharging device is used for discharging the rope in the second direction, the first rope discharging device is provided with a turning wheel, a twisted rope of the capstan winds around the turning wheel to be connected with the second rope discharging device, the first rope discharging device can be freely arranged relative to the capstan, the turning wheel becomes a movable pulley, and accordingly, the rope is discharged by the first rope discharging device in the firstdirection. According to the rope discharging capstan device, the first rope discharging device is designed to be capable of being freely arranged relative to the capstan, so that the turning wheel ofthe first rope discharging device becomes the movable pulley, the first rope discharging device as a rope discharging device discharges the rope in the first direction, accordingly, the rope discharging direction is changed without changing the walking direction of the twisted rope, and use restriction of the capstan is avoided.

The embodiment of the invention provides a cruise control method and device and an engineering vehicle. The cruise control method comprises the steps of obtaining the hoisting speed of a hoisting mechanism at a current moment when the hoisting mechanism is in a cruise manner; and based on the hoisting speed at the current moment and the stored target hoisting speed, adjusting parameters of a hoisting control assembly through closed-loop control, so that the difference value between the actual hoisting speed at the next moment and the target hoisting speed is within the preset error range. According to the technical scheme, the hoisting speed is monitored in real time in the cruise process, related parameters of the hoisting control assembly are adjusted through closed-loop feedback control, so that the hoisting speed is adjusted in time, it is guaranteed that the speed of the hoisting mechanism is constant, and adverse effects on the stability of the hoisting mechanism due to unstablefactors such as control valves are avoided.

The invention relates to a multipurpose crane for finished pipe piles. The crane is characterized in that cart tracks are laid on two sides of the crane; cart operating mechanisms are mounted at two ends of a bridge frame, supported on the cart tracks and can operate along the cart tracks; each cart operating mechanism comprises a position detection mechanism; a lifting trolley is arranged on the bridge frame and can move along the bridge frame; the lifting trolley comprises a lifting hook I and a lifting hook II which are lifted synchronously by the lifting trolley; a finished pile lifting appliance comprises a lifting appliance beam, a lifting hook III, a short cross beam and a cylinder; the lifting appliance beam is hung on the lifting hook I; the lifting hook III is pivoted to the lifting appliance beam; the short cross beam is fixedly connected to one side of the lifting appliance beam and hung on the lifting hook II; a cylinder seat is arranged on the short cross beam; the cylinder is mounted on the cylinder seat and comprises a cylinder rod, and a cylinder joint is arranged at one end of the cylinder rod; and the cylinder joint is pivoted to the lifting hooks and can drive the lifting hooks to rotate around lifting hook shafts. The multipurpose crane has the advantages of high automation degree, safety, reliability, stability in operation, high stroke detection precision and the like.

The invention discloses a brick lifting device for a construction site. The brick lifting device is characterized in that a rack is included; a servo motor is fixed to the rack; a first fixed rod is fixed to a motor shaft of the servo motor and detachably connected with a wheel disc through a first connecting part; the wheel disc is provided with a groove for coiling a steel wire rope; one end ofthe steel wire rope is fixed to the groove bottom of the groove; the end, away from the wheel disc, of the steel wire rope is detachably connected with a second fixing rod through a second connectingpart; a [-shaped plate is fixed to the end of the second fixing rod; an opening of the [-shaped plate is slidably connected with a first baffle; a first fixed block and a second fixed block are fixedto the [-shaped plate; and a third fixed block and a fourth fixed block are fixed to the first baffle. The brick lifting device for the construction site has the characteristics of simple and reliablestructure and stable lifting, and is small in occupied area, high in flexibility and high in practicability.

The invention discloses a pulley device for lifting mortar, which comprises a hanging ring, a pin hole, a first fixed pin, a first pull plate, a support frame, a second pull plate, a second fixed pin, and a pulley. A pin hole is set under the support frame, an external joint is set under the pin hole, a first fixing pin is set on one side of the external joint, a second pull plate is set under the external joint, and a second pull plate is set under the second pull plate. There is a first pull plate, a pull rod is arranged on one side of the first pull plate, a fixed wheel is arranged under the pull rod, a nut is arranged on one side of the fixed wheel, and a second fixed pin is arranged on one side of the nut , A bolt is arranged in the middle of the second fixing pin, a pulley is arranged outside the bolt, and a pulley groove is arranged in the middle of the pulley. The invention has the advantages of simple structure and low cost. Through the action of the pulley, the direction of the force is changed, the friction is reduced, and the movement of the heavy object is realized quickly and labor-saving.

The invention relates to a pendulum-adjustable wire rope guiding device, which comprises a bottom plate, a No. 1 vertical board, a No. 2 vertical board, a No. 1 roller, and a No. 2 roller. Slidingly fitted with a connecting rod, the connecting rod includes the first sub-rod, the second sub-rod, and the third sub-rod, the second sub-rod is hinged with the No. Mounting seat, the No. 1 mounting seat is slidingly fitted with the No. 3 rod, the No. 2 mounting seat is slidingly fitted with the No. 4 rod, and the No. 4 rod is hinged with the No. A long rotating shaft is provided, a hydraulic cylinder is fixed on the right end of the base plate, and a push block is connected with the hydraulic cylinder. The invention has the advantages of simple structure, low manufacturing cost and small volume. Through a single hydraulic cylinder, the height and width of the wire rope guide of the tractor can be adjusted respectively, which is beneficial to adapt to the adjustment of the tractor in different situations and reduces the probability of potential safety hazards. .