11 results about "Carriage" patented technology

Sub-lance carriage fall arrest mechanism relates to an oxygen supply equipment on a top-blown oxygen converter. In order to prevent the sub-lance carriage from falling, the invention provides a sub-lance carriage fall arrest mechanism. The sub-lance carriage fall arrest mechanism comprises cable wires which drive a carriage to move up and down on tracks, is characterized in that the sub-lance carriage fall arrest mechanism also comprises a rotary arm, a connecting bar and a locking pawl, wherein the middle part of the rotary arm is hinged on a carriage frame; one end of the rotary arm is hinged with the end of the cable wire, while the other end of the rotary arm is hinged with the end of the connecting bar; the lower part of the rotary arm, connected with the connecting bar, is provided with a spring which can be compressed by rotated the rotary arm; one end of locking pawl is hinged with the carriage frame, while the other end is hinged with the other end of the connecting bar; the end face of the locking pawl connected with the connecting bar can get into contact with the track through the structure. The sub-lance carriage fall arrest mechanism effectively restrains carriage from falling down when cable wires broken and greatly improves the liability of sub-lance work and carriage work, so the sub-lance carriage fall arrest mechanism is propitious to spread and exploitation.

The invention discloses a heavy haul train sliding mode tracking control method with input saturation. The method comprises the following steps that S1, a longitudinal motion stress condition of a heavy haul train is analyzed, a longitudinal motion kinetic equation for input saturation of the heavy haul train is established, and a train kinetic model is obtained; S2, under the condition of considering input saturation, a novel dynamic auxiliary compensator is designed; S3, the stability of the dynamic auxiliary compensator is verified, and the boundary of a compensation signal is acquired andS4, under the condition of input saturation, an anti-saturation sliding mode controller is designed;S5, the stability of the system is provided to ensure that each carriage of the train stably tracksthe target curve. According to the invention, each carriage has good displacement and speed tracking precision, andthe dynamic auxiliary compensator is designed, so that the range of compensation signals is reduced, and the engineering applicability is enhanced.

The invention discloses a self-disinfection handle for a rail transit carriage and a using method of the self-disinfection handle, and belongs to the field of rail transit. The self-disinfection handle for the rail transit carriage comprises a handle frame, a plurality of handles are arranged under the handle frame, connecting pieces are fixedly connected between the handles and the handle frame, a liquid conveying pipe is fixedly connected into the handle frame, and a liquid communicating pipe communicated with theliquid conveying pipe is fixedly connected into the connecting piece. According to the scheme, no-wash disinfectant is input into a pull ring, hands of passengers can be disinfected after the pull ring is used, cross infection among people is effectively avoided, the pull ring is protected by the disinfectant, bacterium breeding is effectively avoided, heavy disinfection and cleaning work of cleaning personnel is omitted, elastic finger balls and a palm protection pad are used for abreaction and decompression of the passengers, a good adjusting mode is provided for modern urbanites bearing huge pressure, massage balls are arranged on the finger balls and the palm protection pad, and the fatigue feeling of the passengers is effectively relieved.

The invention discloses a tree seedling lifter. The tree seedling lifter comprises a carriage; a sliding plate is slidably mounted at the inner side of the bottom of the carriage; a fixing frame is fixedly mounted at the end, close to an auxiliary rod, of the sliding plate; the auxiliary rod is movably mounted at the outer side of the end, away from a fixing plate, of a main rod; supporting rods are fixedly mounted at the outer side of the carriage; fixing bases are fixedly installed at the bottoms of electric push rods; wheels are movably installed at the inner sides of the fixing bases; a fixing block is fixedly installed at the bottom of the end, away from the fixing frame, of the carriage; a hydraulic cylinder is fixedly installed at the side, close to the fixing frame, of the fixing block; a connecting frame is fixedly installed at the end, close to the hydraulic cylinder, of the sliding plate; the connecting frame is fixedly connected with the hydraulic cylinder; and a bent rod is fixedly mounted at the inner side of the end, away from the carriage, of the main rod, and the bent rod is bent by 90 degrees. According to the tree seedling lifter, through the extension and retraction of operation of the hydraulic cylinder, the main rod and the auxiliary rod are further driven to rotate through the sliding plate, so that a digging bucket is driven to rotate, and seedling lifting and truck loading of trees can be achieved.

The invention discloses a mobile detection vehicle for electric pile testing, which belongs to the technical field of charging piles and comprises a vehicle, and the rear end of the vehicle is connected with a rear vehicle door through a hinge and a lock catch; the side wall of a carriage of the automobile is connected with a folding seat; the bottom in a carriage of the automobile is connected with a detection assembly; the detection assembly is connected with an adjustable power connection assembly, and the power connection length of the adjustable power connection assembly is adjusted according to the position of the charging pile. By means of the mode, integral detection is facilitated, meanwhile, the alternating-current and direct-current loads are charged and then detected, and the load testing function is achieved; the power connection length of the adjustable power connection assembly is adjusted according to the position of the charging pile, long-distance charging detection is adapted, the charging pile can be detected under the condition that an automobile cannot be parked in place, and detection is facilitated.

The invention discloses a medical plug-in type baby carriage. The medical plug-in type baby carriage comprises a vehicle underframe, vertical supporting columns are fixed to the front portion and therear portion of the top face at the rear portion of the vehicle underframe, and a vertical center through hole is formed in the middle of each vertical supporting column. An annular sleeve body is fixed to the top end of the vertical supporting column, a baby placing basket is located above the two annular sleeve bodies, and main inserting rods are fixed to the front portion of the rear portion ofthe baby placing basket and the bottom face of the rear portion of the baby placing basket and are inserted into the annular sleeve bodies and the vertical center through holes of the vertical supporting columns. A plurality of screwing through holes are formed on the inner side walls of the annular sleeve bodies, and a plurality of ball plungers are screwed into the screwing through holes. According to the present invention, the ball plungers are adopted for automatic clamping and fixing, and the main inserting rods are prevented from deforming, so that the service life is prolonged. Meanwhile, through the connection of a positioning block body and an inserting block, the placing basket is not moved out of the vehicle underframe easily, so that the stable and convenient placement duringpushing is guaranteed.