32results about How to "Quick lap" patented technology

The invention discloses an environmentally-friendly roadblock convenient to move. The environmentally-friendly roadblock comprises a vertical plate, wherein a convex plate is arranged on the left sideof the vertical plate; inserting holes are uniformly formed in the convex plate from top to bottom; blocking rods are arranged on the right side of the vertical plate from top to bottom; locking bolts penetrate through the inserting holes and through holes; locking nuts are arranged between the contact surfaces of the rear ends of the locking bolts in the through holes and a clamping plate; and fluorescent strips are uniformly arranged in the front end surface of the vertical plate from left to right. According to the environmentally-friendly roadblock convenient to move disclosed by the invention, the blocking rods are inserted between the vertical plate and the clamping plate, so that the roadblock can be quickly spliced and disassembled, in the transporting process of the roadblock, the roadblock does not occupy a massive space, and the cost of transporting the roadblock is reduced; besides, the vertical plate is connected with the clamping plate through the locking bolts, so thatthe quick lapping of a plurality of roadblocks can be realized; moving wheels are arranged, so that the lapped roadblocks are convenient to move; and the fluorescent strips are arranged, so that the effect of night illumination can be well achieved, and the occurrence of traffic accidents is avoided.

A puncture clamp for the ground potential live working of insulated wire line connection comprises an upper clamp unit and a lower clamp unit matching with the upper clamp unit. The positive surface of the upper clamp unit is provided with a main wire clamping groove with a downward opening, the main wire clamping groove is provided with upper puncture teeth inside, the lower clamp unit is provided with a guide wire limiting groove corresponding to the main wire clamping groove, and the guide wire limiting groove is provided with lower puncture teeth inside; a main wire is tightened through puncture of the upper clamp unit and lower clamp unit, and an auxiliary wire is tightened through a conventional press plate. The conduction is implemented and fine tightness property of insulted guide wire for insulation is guaranteed through puncture, safe and rapid ground potential live working for branch line connection is implemented, the problem of difficulty in insulated guide wire peeling is solved, the work intensity for operation is reduced, an outdated mode that peeling is necessary for operation for a long term is solved, the operating efficiency is improved by 50%, and the problems of water proofing and tightness caused by insulated guide wire peeling are solved.

An innovative overlap experimental device of a spatial multi-rod mechanism comprises a pedestal mechanism, a first frame mechanism, a second frame mechanism, a magnetic slide block mechanism, a connecting rod mechanism, a belt and a motor. The magnetic slide block mechanism can be located at any position within the frame range via movement of the first and second frame mechanism, movement of a crossbeam part and movement of the magnetic slide block mechanism, and different complex innovative models of the spatial multi-rod mechanism can be obtained by overlapping after that the connecting rodmechanism is connected with the magnetic sliding block mechanism according to mechanism design schemes. The experimental device can form different complex innovative models of the spatial multi-rod mechanism by overlapping accurately, rapidly and conveniently and simulates motions, whether design of the innovative models of the spatial multi-rod mechanism is reasonable is examined, and the experimental device can be used to cultivate a innovative design capability of the spatial multi-rod mechanism of a user.

A rescue and retraction device for underground excavation and mining equipment and its use method, which belong to the field of coal mine excavation and mining technology, can solve the problem of low rescue efficiency in existing coal mine excavation and mining working faces, high risk of roof falling twice, and high labor intensity of rescuers. Issues with major safety hazards, including the traction and withdrawal device, the two-arm bolt scraper and the traction chain, the two-arm bolt scraper transports the traction and withdrawal device to the rescue site, and performs necessary support and cleaning of the roof collapse area , connected with the traction retraction device controller and providing a power source, the traction retraction device is connected with the rescued equipment, and pulls the buried equipment away from the roof fall area. The present invention can timely rescue the buried equipment and avoid the risk of secondary roof fall, and The personnel working area is always in the safe area provided by the rescue system, which improves safety and reduces labor intensity. The rescue system can also be used as an auxiliary driving equipment when large-slope excavation equipment is in a nest, so as to improve the adaptability of the equipment.

The invention discloses an electric integrated operating device for a J-shaped wire clamp. The electric integrated operating device comprises a clamping assembly and an insulating rod. The clamping assembly comprises a main body frame, a sliding rod chuck, a connecting rod mechanism and a first telescopic spring. The sliding rod chuck is in sliding connection with the main body frame. The connecting rod mechanism comprises a first connecting rod and a second connecting rod. The second connecting rod comprises a locking rod and an unlocking rod which are connected with each other. A corner is arranged between the locking rod and the unlocking rod; the joint of the locking rod and the unlocking rod is hinged to the first connecting rod; the other end of the first connecting rod is hinged tothe main body frame; the other end of the locking rod is hinged to the sliding rod chuck; the unlocking rod is provided with an unlocking pull rope and a rotating hole, wherein the rotating hole is formed between the unlocking pull rope and the locking rod, and the rotating hole is internally provided with a connecting piece; and one end of the connecting piece is connected with the main body frame. The electric integrated operating device for the J-shaped wire clamp is simple to operate; the clamping state of the clamping assembly is stable and reliable; and unlocking is convenient and rapid.

The invention provides a power jointing clamp, which comprises two insulating half clamp bodies hinged to each other, a metal framework fixedly disposed on the inner sides of the insulating half clampbodies, and a metal sleeve fixedly disposed on the rear side of the metal framework, wherein the insulating half clamp bodies comprise front clamp bodies integrally located on the front sides, middleconnecting parts, and rear clamping bodies on the rear sides; the connecting parts are movably hinged by a rotating shaft, and the front side of the metal framework is fixedly provided with a third metal sheet; first metal teeth are fixedly arranged on the inner side of the third metal sheet; the inner side of the metal framework is fixedly connected with a second metal sheet; the front side of the second metal sheet is fixedly provided with an arc-shaped metal sheet; the convex surface of the arc-shaped metal sheet is inward; second metal teeth are fixedly arranged on the arc-shaped metal sheet; and a spring is arranged between the first metal sheet and the second metal sheet. The power jointing clamp has the characteristics of simplicity and practicability and can quickly lap two cables.

The invention discloses a motorized highway tunnel inverted arch construction trestle car which comprises an invert bridge, a guiding unit and a driving unit. The guiding unit comprises two front wheels, a first supporting rod, first gears, a second gear, a chain and a handle. Each front wheel is connected with one end of the first supporting rod. Rotation in the circumferential direction of the front wheels can be generated between the front wheels and the first supporting rod. The driving unit comprises two rear wheels, a spindle, a second supporting rod, a third gear, a transmission belt, a sleeve and an engine. The rear wheels are installed at the two ends of the spindle. Each rear wheel is connected with one end of the second supporting rod. According to the motorized highway tunnel inverted arch construction trestle car, through the combined action of the guiding unit, the driving unit, an automatic hydraulic lifting supporting rod and other devices, operation procedures are simplified in the highway tunnel inverted arch construction process, the paving time and the removing time are shortened, one-man operation is achieved, a traveling plane which is stable enough can be provided, and meanwhile, safety is ensured.

An innovative overlap experimental device of a spatial multi-rod mechanism comprises a pedestal mechanism, a first frame mechanism, a second frame mechanism, a magnetic slide block mechanism, a connecting rod mechanism, a belt and a motor. The magnetic slide block mechanism can be located at any position within the frame range via movement of the first and second frame mechanism, movement of a crossbeam part and movement of the magnetic slide block mechanism, and different complex innovative models of the spatial multi-rod mechanism can be obtained by overlapping after that the connecting rodmechanism is connected with the magnetic sliding block mechanism according to mechanism design schemes. The experimental device can form different complex innovative models of the spatial multi-rod mechanism by overlapping accurately, rapidly and conveniently and simulates motions, whether design of the innovative models of the spatial multi-rod mechanism is reasonable is examined, and the experimental device can be used to cultivate a innovative design capability of the spatial multi-rod mechanism of a user.

The invention discloses a ship boarding trestle device with wave compensation function, which comprises a compensation base, a boarding trestle and an overlapping mechanism, the boarding trestle is connected to the bow of the ship through the compensation base, and the boarding trestle passes through The overlapping mechanism is connected with the pile, and the overlapping mechanism includes a fixed part and a hook head, the fixed part is arranged on the boarding trestle, the hook head is hinged with the fixed part and can be connected with the fixed part at its end. A jaw for accommodating piles is formed, and the outer arc where the hook head contacts the pile is a section of involute, so as to facilitate the clamping of the pile into the jaw from the outside of the jaw. The hook head and the pile The inner arc of post contact is an involute to prevent the post from coming out of the jaws. The invention has the advantages of exquisite structural design, convenient lapping, low manufacturing cost and excellent compensation performance, which is beneficial to popularization and application.

The present invention relates to the technical field of high-voltage switch cabinets, and specifically discloses a high-voltage switch cabinet that may quickly achieve connection between a copper busbar and an incoming line copper bar while electrified, which greatly reduces the power-off time when carrying out fault maintenance or annual inspections on the high-voltage switch cabinet, and increases the working efficiency. Specifically: the incoming line copper bar and the copper busbar of the high-voltage switch cabinet are fixed and in lap-joint connection, the copper busbar is drawn out from a main busbar and forms a T-shaped structure therewith, an absorption part is fixedly connected to at least one side surface of the incoming line copper bar, and an absorption plate is fixedly connected to a corresponding copper busbar side surface; the absorption part is an electromagnetic absorption apparatus that is internally provided with an electromagnet and is provided with a circuit channel for an electrical wire to pass through; the absorption part, the absorption surface of the absorption plate, and the lap-joint surface of the incoming line copper bar and the copper busbar are parallel on the same plane.

The invention discloses an adjustable protective fence for building construction for replacing the fence net, which comprises a base, screw holes, springs, a first net plate and a second net plate, and a support plate is fixedly arranged above the base, In addition, the left and right sides and the upper and lower sides of the support plate are provided with inner grooves, and the inside of the inner groove is movably equipped with a lap plate, the inside of the lap plate is provided with screw holes, and the upper surface of the support plate is provided with through holes, and a baffle plate is fixedly arranged on the inner wall of the support plate, and the rear side in the middle of the support plate is movably installed with a first limit plate, and the front end in the middle of the support plate is movably installed with a second limit plate, and the second The surface of the limiting plate is fixedly connected with a connecting block. The adjustable guardrail for building construction that replaces the guardrail net is convenient to extend the lap plates at the left and right ends of the device. Ease of use of the device.