17 results about "Lap joint" patented technology

The invention discloses a pre-laying waterproof coiled material construction process for welding and adhesive bonding combined construction. The process is used for a construction site of a concave structure. The method comprises the following steps of S1, preparation before construction, wherein a base surface is cleaned, it is ensured that the base surface is clean, flat, firm and free of accumulated water, internal corners are treated with cement mortar, and auxiliary materials, construction machines and tools are prepared; S2, laying of a plane coiled material, wherein the plane coiled material is pre-laid, and long-edge lap joints, short-edge lap joints and lap joint seams are sealed respectively; S3, treatment of the internal corners, wherein the coiled material at the internal corners is cut, and pre-laying and lap joint treatment are performed; S4, laying of a facade coiled material, wherein a facade is subjected to coiled material lap joint treatment and lap joint seat reinforcing treatment; and S5, repair of coiled material damage, wherein damage to the coiled materials are repaired. The pre-laying waterproof coiled material construction process adopts a welding and adhesive bonding combined construction method, and the defects that adhesive bonding of the coiled materials on the construction site during construction is not firm, and water channeling hidden hazards exist are overcome.

The invention discloses an insulating hanging rod which comprises a hook, a wire clamp and an insulating rod made of an insulating material, one end of the insulating rod is connected with the hook, the other end of the insulating rod is fixedly connected with the wire clamp, and scale marks are arranged on the outer surface of the insulating rod. The insulating rod comprises a telescopic rod assembly whose length can be adjusted by stretching and contracting and a locking assembly used for locking the length of the telescopic rod assembly, when the locking assembly is in a first state, the telescopic rod assembly is stressed to change telescopically, and when the locking assembly is in the second state, the locking assembly limits the telescopic change of the telescopic rod assembly. Through the arrangement, the insulating hanging rod serves as a standing tool for live lap joint lead operation, the insulating hanging rod is arranged in a telescopic adjustment mode and is provided withthe scale marks, distance measurement in the operation process is facilitated, the operation difficulty is reduced, and the problem that in the prior art, during live lap joint lead operation, the length of a lead is inconvenient to determine is solved; and the number of tools carried by operators is not increased, so that the safety of the operators is guaranteed.

The invention discloses a track-ballast bed combined system capable of moving relatively, wherein the track-ballast bed combined system is used in cooperation with a shock insulation railway station house. The track-ballast bed combined system is composed of three parts including a telescopic track, a telescopic track supporting device and a lap joint type ballast bed. The telescopic track can stretch out and draw back when an earthquake occurs, and has the advantages that the movement of a shock insulation layer is not affected, and train derailment cannot be caused; the telescopic track supporting device is arranged in a vertical isolation joint and plays a role in supporting a rail spanning the vertical isolation joint; the lap joint type ballast bed can move relatively without affecting normal use of the lap joint type ballast bed. The track-ballast bed system can solve the problem that a track and a ballast bed cannot move relatively when an earthquake occurs in a traditional track-ballast bed system, enable an upper structure of a shock insulation layer to move freely, has the advantages of being simple in structure and convenient to maintain and repair, and is particularly suitable for building structures with tracks and shock insulation requirements, such as subway stations and railway stations.

The invention belongs to the technical field of drainage channels, and particularly relates to an ecological drainage channel. The ecological drainage channel comprises a channel body, and a barrel isarranged on the inner side of the channel body. The top end of the channel body is fixedly connected with a separation plate, and the two sides of the bottom of the separation plate are in movable lap joint with the channel body. The inner side of the barrel is rotationally connected with a rotary shaft, and the outer side of the rotary shaft is fixedly sleeved with a spiral blade. The top of theouter side of the rotary shaft is fixedly sleeved with two first belt wheels, and one side of the separation plate is fixedly connected with a cross rod. The cross rod is rotationally connected witha vertically arranged transmission shaft, and the outer side of the transmission shaft is fixedly sleeved with two second belt wheels. The first belt wheels and the second belt wheels located on the same horizonal axis are in transmission connection with the same triangular belt, and the bottom of the cross rod is fixedly connected with a support. According to the ecological drainage channel, water flow in the drainage channel is adopted as power, sludge and sand in the drainage channel can be continuously drawn, sediment blocking is avoided, the sludge can be provided for farmland on the twosides as manure, the labor cost and the maintenance cost are low, and the ecological drainage channel is suitable for popularization and use.

The invention discloses a modularized solid rocket scramjet engine test platform, which comprises an isolation section and a combustion chamber structure, wherein the combustion chamber structure comprises a combustion chamber shell and an inner molded surface assembly arranged in the combustion chamber shell; the inner molded surface assembly comprises a plurality of inner molded surface units connected in sequence, every two adjacent inner molded surface units are connected in a matched mode in a concave-convex lap joint mode, and combustion chamber inner flow channels communicating in sequence are formed in the inner molded surface units; and each inner molded surface unit is fixedly connected with the combustion chamber shell. Through independent design of the combustion chamber shell and the inner molded surface assembly, repeated use of the combustion chamber shell is achieved, the test cost can be reduced, and the test period can be shortened; and the test of engines with different configurations can be realized by replacing the inner molded surface unit, so that a test foundation is laid for carrying out the performance prediction and integrated optimization design of the scramjet engine of the solid rocket and completing the matching of engine parts and the optimization research of the overall performance.

The invention relates to an H-shaped steel structure for lap joint of underground diaphragm walls with different thicknesses. An H-shaped steel connector structure (9) is arranged between a first-stage groove section (2) and a second-stage groove section (3), the H-shaped steel connector structure (9) is composed of flange plates (4), webs (5), transverse steel plates (6) and angle steel (7), one ends of the flange plates (4) on the upper side and the lower side of the H-shaped steel (9) are in lap joint with the first-stage groove section (2), and the other ends of the flange plates (4) on the upper side and the lower side of the H-shaped steel (9) are in lap joint with the second-stage groove section (3). The defects that in the prior art, a joint of an underground continuous wall is shorter in a thickness sudden change position and a surrounding seepage path compared with an equal-thickness underground continuous wall, and hidden dangers of water leakage and sand leakage exist are overcome, and the H-shaped steel structure has the advantages that holes are formed in the webs of the H-shaped steel, and the concrete pouring quality is improved, so that the joint water stopping effect is improved, and the excavation construction safety of a foundation pit is ensured.

The invention discloses a smart home center control platform support. The smart home center control platform support at least comprises a support body, the support body at least comprises two slide rods which are symmetric in position, two supporting rods which are symmetric in position are arranged below the slide rods, and two first slide blocks which are symmetric in position are arranged abovethe slide rods and can make linear motion along the slide rods. Semicircular first movement blocks are fixed above the first slide blocks and abut with each other to constitute a circular cover plate, a first auxiliary plate and a second auxiliary plate which are hinged to each other are arranged between the two first slide blocks, one end of the first auxiliary plate and one end of the second auxiliary plate are both in lap joint with the slide rods, a smart home center control platform is fixed to the inner side of the first auxiliary plate, and a fixation hole matched with the smart home center control platform in size is formed in the inner side of the second auxiliary plate. The smart home center control platform support is simple in structure and novel in design and has very strongconcealing performance, the situation that the smart home center control platform is touched by irrelevant personnel and gets damaged is avoided, and the safety of the smart home center control platform support is improved.

The invention provides a high-speed laser dot-shaped heat treatment device. The high-speed laser dot-shaped heat treatment device is characterized by comprising a pulse laser device, a focusing head,a mounting base and a workbench; the pulse laser device is used for carrying out surface heat treatment on a workpiece; the output laser pulse width is smaller than 0.1 s, and the pulse duty ratio ofthe pulse laser device is 10%-80%; the focusing head is located on the outlet side of the pulse laser device and is used for focusing the laser emitted by the pulse laser device; the mounting base isused for mounting the pulse laser device and the focusing head; and the workbench is used for fixing the workpiece and controlling the workpiece to move. According to the technical scheme, the high-speed laser with the pulse width tau smaller than 0.1 s is used for carrying out point-shaped heat treatment on the workpiece, lap joint in the continuous heat treatment process can be avoided, heat stress lap joint can be effectively avoided, the workpiece can easily form the supersaturated solid solution, the metastable phase and even the amorphous-state material structure and other special material structures, and the application field is wide.

The invention provides a pre-embedded-free multi-functional lifting appliance for a precast concrete beam, and relates to a precast concrete beam. The pre-embedded-free multi-functional lifting appliance for the precast concrete beam comprises a detachable lifting appliance assembly, wherein a lifting ring is arranged on the detachable lifting appliance assembly; the detachable lifting appliance assembly comprises a balance rod and a stirrup clamping piece fixedly arranged on the balance rod in a sleeving mode; and a lap joint part matched with a stirrup on the precast concrete beam is arranged on the stirrup clamping piece. According to the pre-embedded-free multi-functional lifting appliance for the precast concrete beam provided by the invention, the multi-functional lifting appliance is used for replacing an embedded lifting appliance for the precast reinforced concrete beam, so that under the condition that the structural performance of a precast beam unit is not affected, a lifting jig which can be repeatedly used and adjusted and is suitable for various types of precast beams is used for grabbing the stirrup of the precast beam to lift, the manufacturing and construction procedures of the precast reinforced concrete beam are reduced, and the production and manufacturing cost of the precast reinforced concrete beam is reduced.

The invention relates to a wiring terminal with multiple segments capable of being in lap joint. The wring terminal comprises an insulation shell, a plurality of parallel groove openings are symmetrically formed in the two sides of the insulation shell, the insulation shell is divided by the parallel groove openings into a plurality of connecting segments, a mounting through groove is formed in each connecting segment, connecting tubular columns are arranged at the positions, close to the groove openings in the two ends of the mounting through grooves, of the upper surfaces of the connecting segments, dustproof cover sheets are arranged at the groove openings in the two ends of the mounting through grooves, metal connecting inner cores are arranged in the mounting through grooves, a connecting portion is arranged at the end of one side of the insulation shell, and an inserting tenon is arranged at the end of the other side of the insulation shell. A plurality of wiring terminals can be in lap joint according to actual connecting needs, the number of connecting holes of the wiring terminals is guaranteed, use and assembling are convenient, the wiring terminal is simple in structure, low in manufacturing cost and convenient to assemble and mount, and meanwhile the wiring terminal is good in heat radiation effect and high in use safety.

The invention discloses a bowtie type microphone clip, which comprises a microphone and is characterized by further comprising a bowknot and a microphone base groove, wherein the microphone base groove is connected with the bowknot in a detachable structure, the microphone base groove is an annular body with a lap-joint opening, the microphone can be inserted into the microphone base groove, and the bowknot is of a honeycomb structure. According to the invention, a microphone stand is stable, user-friendly choices are provided for people with different heights, different speaking habits and different lengths of necks, and the bow type microphone clip is convenient to carry, beautiful and comfortable, not only can liberates the hands in application life, but also can enable the sound quality to be more perfect.