10results about How to "Achieve pre-fixation" patented technology

The utility model belongs to the technical field of drilling equipment, specifically is a kind of surface drilling device of construction construction pipeline, including support frame, the top fixed mounting of support frame has electric push rod, the telescopic end of electric push rod is penetrated to the inside of support frame, the telescopic end fixed mounting of electric push rod has fixed frame, the inside fixed mounting of fixed frame has motor, the output fixed mounting of motor has drill rod, the inside of support frame is provided with fixed mechanism, the fixed mechanism includes sliding slot, the sliding slot is opened in the inside of support frame, the inner chamber sliding connection of sliding slot has first tooth plate, the side fixed mounting of fixed frame has push rod;By setting fixed mechanism, the pre-fixing of pipe drilling nearby position in drilling process is realized, pipe deformation caused by drilling can be reduced, and cooperate with external fixture, pipe can be more stable in drilling process.

The utility model provides a combined rubber shock absorber, which relates to the technical field of rubber shock absorbers and comprises a group of rubber shock absorber bodies, rubber seats are mounted at the top ends of the rubber shock absorber bodies, a group of first connecting grooves are formed in one side of each rubber shock absorber body, a first connecting block is mounted on one side of each rubber shock absorber body, and a second connecting groove is formed in the other side of each rubber shock absorber body. A set of second connecting blocks are installed on the sides, away from the first connecting blocks, of the rubber shock absorber bodies, a second connecting groove is formed between every two adjacent second connecting blocks, and a connecting mechanism is arranged at the attaching position of each set of rubber shock absorber bodies. According to the device, the operation steps are very simple and convenient, a worker can conveniently and rapidly combine and install a rubber shock absorber body, the combination efficiency is indirectly improved, and the practicability is greatly improved through the design.

This utility model discloses a shielding structure for a connector and a connector using this shielding structure. It includes a first shielding shell and a second shielding shell spaced apart, both axially hollow and used to respectively wrap around different wire bundles. The first and second shielding shells are connected by a connecting part, which is provided with an anti-rotation structure. This utility model optimizes the slide-in type shielding cover structure into a shielding structure where the first and second shielding shells are connected. The first and second shielding shells are connected by a connecting part, which is provided with an anti-rotation structure. This effectively prevents the shielding structure from rotating during connector assembly due to insertion, removal, twisting, or other operations.

The invention relates to the technical field of safety valve test platforms, and discloses a safety valve test platform which comprises a test platform body and three clamps connected to the test platform body, the top surface of the test platform body is connected with a limiting assembly, and the limiting assembly comprises three vertical rods connected to the top surface of the test platform body. According to the safety valve test platform, the three vertical rods are arranged at the top of the test platform body, the L-shaped connecting plates are arranged at the tops of the vertical rods through the L-shaped lifting rods, the fixing disc is clamped through the clamping grooves in the multiple L-shaped connecting plates, and therefore the safety valve test platform can be used for testing the safety valve. And the safety valve body is extruded and fixed by a lower pressing disc connected through a spring at the bottom of the fixed disc, so that the safety valve body is pre-fixed, an operator can operate the hydraulic cylinder by loosening the hand, and the test platform body is further more convenient to use.

The utility model relates to new energy and communication technical field discloses a kind of modularization communication relay station of photovoltaic panel array, including mounting plate, the top of mounting plate is fixedly connected with pillar, the outer wall of pillar is provided with easy disassembly mechanism;The easy disassembly mechanism includes the movable sleeve slidingly connected in the outer wall of pillar, the bottom of movable sleeve is fixedly connected with elastic telescopic link, the bottom of movable sleeve is fixedly connected with connecting plate, the inner wall of connecting plate is contacted with limit bolt, the side of pillar towards handle is provided with screw hole, the bottom inner wall of connecting plate is provided with positioning mechanism, the outer wall of movable sleeve is fixedly connected with photovoltaic panel support.The utility model in, operating personnel need not to climb to 2-3m height, just need to unscrew limit bolt, remove positioning, just control movable sleeve along pillar vertical down by handle, make photovoltaic panel support drop to the height of easy operation, overall operation is simple and convenient.

The utility model discloses a kind of plum blossom valve wrenches, including plum blossom disc, the lower end of plum blossom disc is equipped with driving motor, the output shaft end of driving motor is fixedly connected with four square head, short reaction arm is sleeved in four square head outer wall, the upper end of four square head is fixedly connected with connector, the upper end of connector is fixedly connected with the lower end of plum blossom disc, the upper of plum blossom disc is equipped with multiple mounting holes, the upper end of plum blossom disc is equipped with multiple positioning pins, the lower end of each positioning pin is fixedly connected with threaded head. The valve wrench can adjust positioning pin according to the position of jack hole on valve switch, improve the adaptability of valve wrench, and when installing positioning pin, positioning pin can be preliminarily fixed first and then fixed using nut, so as to improve the assembly efficiency of valve wrench, and by the setting of linear slide rail and arc slide rail, the position of rectangular block can be adjusted according to the position of positioning pin inserted into mounting hole, so that the pre-fixing of positioning pin in different mounting holes can be satisfied.

The utility model discloses an orthopedics model vacuumizing forming device, and relates to the technical field of orthopedics model production, the orthopedics model vacuumizing forming device comprises a tank body, one end of the tank body is a feeding end, and a feeding port is formed in the feeding end; the sealing ring is mounted at the feeding end; the extending annular plate is fixedly arranged on the side wall of the tank body and is flush with the feeding end; the sealing cover can be buckled at the feeding end to seal the feeding hole and is propped against the sealing ring; a plurality of fixing holes are formed in the extension ring plate and the sealing cover, the positions of the fixing holes of the extension ring plate and the sealing cover are opposite, and bolts penetrate through the fixing holes and then are in threaded connection and fastening with nuts; one end of the negative pressure pipe is communicated with the interior of the tank body; and the pressure relief pipe is provided with a valve and is communicated with the interior of the tank body. The method has the effects of improving the production quality of the orthopaedic model made of the transparent material and reducing the production input cost of the orthopaedic model made of the transparent material.

The utility model provides a fire-fighting pipeline water flow indicator, and relates to the technical field of fire-fighting pipeline water flow indicators, the fire-fighting pipeline water flow indicator comprises a water flow indicator, the upper top of the water flow indicator is fixedly connected with an inductor, and the inductor comprises a microswitch, a tower-type nut and a blade arranged in the water flow indicator. A pipeline is arranged on the side face of the water flow indicator, a pre-fixing device is arranged on the side face of the water flow indicator, the pre-fixing device comprises a protruding block fixedly connected to the side face of the water flow indicator, a clamping ring is fixedly connected to the surface of the protruding block, a circular groove is formed in the inner wall of the pipeline, and a rectangular strip is fixedly connected to the surface of the protruding block. A circular groove is formed in the inner wall of the pipeline, a rectangular groove is formed in the inner wall of the circular groove, one end of the pipeline is fixedly connected with a gasket, the gasket is a rubber ring, a groove is formed in the surface of the rectangular strip, and a ball is rotationally connected into the groove.

The utility model relates to a multi-layer composite high-permeability modified shield segment, and belongs to the technical field of shield segments, the multi-layer composite high-permeability modified shield segment comprises a segment main body, a slot is formed in the left side of the segment main body, a butt joint strip is arranged on the right side of the segment main body, an insertion hole is formed in the top of the segment main body, and a positioning assembly is arranged in the insertion hole; the bottom of the duct piece body is further provided with an installation assembly matched with the positioning assembly. The positioning assembly comprises a supporting piece elastically installed in the duct piece body and a wedge-shaped clamping block fixedly connected to the outer wall of the supporting piece. According to the multi-layer composite high-permeability modified shield segment, convenience is provided for assembly, installation is convenient, the segment performance including high strength, rigidity, waterproofness, permeability adjustment and durability is remarkably improved, the multi-layer composite high-permeability modified shield segment is suitable for underground tunnel construction of complex geology, the multi-layer composite structural design is adopted, function complementation is achieved, it is ensured that the performance of the segment is stable in various environments, and the service life of the shield segment is prolonged. The service life is prolonged.

The utility model provides a connecting assembly for a battery device and a power utilization device. The connecting assembly comprises a mounting bracket used for being fixed to a mounting frame; the connecting support is used for being fixed to the battery device, and the mounting support and the connecting support are arranged at intervals in the first direction; the first connecting piece extends in the first direction and is connected with the mounting bracket and the connecting bracket; the buffer structure comprises a first connecting part and a second connecting part, the periphery of the first connecting piece is sleeved with the first connecting part, at least part of the first connecting part is clamped between the mounting support and the connecting support in the first direction, and the second connecting part is formed by extending the first connecting part in the second direction; wherein the first direction intersects with the second direction; the second connecting part is detachably connected with the mounting bracket through the second connecting piece; or the second connecting part is detachably connected with the connecting bracket through the second connecting piece. In this way, pre-fixing of the buffer structure can be achieved, and the assembling efficiency of the buffer structure is improved.