CN-224210300-U - PE pipeline traction device's connecting piece

CN224210300UCN 224210300 UCN224210300 UCN 224210300UCN-224210300-U

Abstract

The utility model relates to a connecting piece of a PE pipeline traction device, which comprises a shell, a bearing cylinder, a first top plate and a second top plate, wherein the bearing cylinder is fixedly connected with the left inner surface of the shell, bearing rings are sleeved outside the left and right parts of the bearing cylinder in a sliding mode, a first driving piece used for driving the two bearing rings to move relatively or reversely is arranged on the bearing cylinder, a plurality of elastic plates are arranged between the two bearing rings and are in an annular array shape, each elastic plate is an arc-shaped plate protruding away from the bearing cylinder, two ends of each elastic plate are respectively hinged with the bearing rings on two sides, the middle part of the outer side surface of each elastic plate is connected with the first top plate, the second top plate is correspondingly arranged on the outer side of each top plate, each second top plate is movably connected with the peripheral wall of the shell, and a second driving piece is arranged on the shell and used for driving the second top plates to synchronously approach or synchronously separate from the bearing cylinder. The PE pipeline traction device solves the problem that when the traction device pulls the PE pipeline to move, the connecting piece of the traction device and the PE pipeline are low in connection strength and stability.

Inventors

ZHANG HAIJUN
ZHANG WEIJIA
WANG GUOYING
ZHANG XINHUA
LI WENJIN
ZHANG YANYAN
FENG SHAOPENG
HU YUANYUAN

Assignees

河南新天基管业科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (5)

1. The utility model provides a PE pipeline draw gear's connecting piece, its characterized in that includes casing (1), bears section of thick bamboo (2), roof one (3) and roof two (4), casing (1) right-hand member opening, left end are sealed, bear section of thick bamboo (2) fixed connection casing (1) left side inner face, bear the left and right sides portion outside slip cap of section of thick bamboo (2) and have and bear ring (5), be equipped with on bearing section of thick bamboo (2) and be used for driving two relative or the driving piece one of back to back movement of bearing ring (5), be equipped with a plurality of elastic plates (6) between two bear ring (5), a plurality of elastic plates (6) are annular array form, and every elastic plate (6) are the arch and keep away from the arc that bears section of thick bamboo (2), and the bearing ring (5) of every elastic plate (6) both ends hinge both sides respectively, and the lateral surface middle part of every elastic plate (6) is connected with roof one (3), and every roof two (4) swing joint casing (1) perisporium, be equipped with on casing (1) the driving piece two and be close to two and be used for driving two and keep away from synchronous section of thick bamboo (2).
2. The connecting piece of the PE pipeline traction device according to claim 1 is characterized in that a connecting plate (7) is connected to the left side outer face of the shell (1), the left end of the bearing cylinder (2) is opened, the right end of the bearing cylinder is closed, and sliding holes (8) are formed in the peripheral wall of the bearing cylinder (2).
3. The connecting piece of a PE pipeline traction device according to claim 2, wherein the first driving piece comprises a connecting plate (9) and a screw rod (10), the inner ring of each bearing ring (5) is connected with the connecting plate (9), the free end of each connecting plate (9) penetrates through the sliding hole (8) and stretches into the bearing cylinder (2), each connecting plate (9) is in sliding contact with the sliding hole (8), the right end of the screw rod (10) is rotatably connected with the right end of the bearing cylinder (2), the left end of the screw rod (10) movably penetrates through the left side plate of the shell (1) and is connected with a rotating plate (11), the peripheral wall of the left and right parts of the screw rod (10) is respectively provided with an external thread I (12) and an external thread II (13) with opposite screw threads, and the left part of the screw rod (10) is in threaded connection with the connecting plate (9) in the left part of the bearing cylinder (2) through the external thread II (13).
4. The connecting piece of a PE pipe traction device according to claim 1, wherein the first top plate (3) is an arc plate protruding towards the peripheral wall of the casing (1), a first rubber pad (14) is arranged on the side surface of the first top plate (3) facing the peripheral wall of the casing (1), the second top plate (4) is an arc plate protruding towards the peripheral wall of the casing (1), and a second rubber pad (15) is arranged on the side surface of the second top plate (4) away from the peripheral wall of the casing (1).
5. The connecting piece of a PE pipeline traction device according to claim 4, wherein the driving piece two comprises connecting rods (16) and driving cylinders (19), each top plate two (4) faces the side face of the peripheral wall of the shell (1) and is connected with the connecting rods (16), the free end of each connecting rod (16) movably penetrates through the peripheral wall of the shell (1), springs (17) are connected between the free end of each connecting rod (16) and the peripheral wall of the shell (1), the outer threads of the shell (1) on the left side of the connecting rods (16) are connected with rotating rings (18), the driving cylinders (19) are hollow round table bodies with two open ends, the driving cylinders (19) are sleeved outside the shell (1) and are located on the outer sides of the connecting rods (16), and the small ends of the driving cylinders (19) are connected with the right ends of the rotating rings (18).

Description

PE pipeline traction device's connecting piece Technical Field The utility model relates to the technical field of pipeline production, in particular to a connecting piece of a PE pipeline traction device. Background PE pipeline (polyethylene pipeline) is a plastic pipeline made from polyethylene resin as main raw material through extrusion or injection molding, and is widely used in water supply and drainage, gas transportation, chemical industry, agriculture, mining industry, etc. The composite material has the characteristics of excellent corrosion resistance, flexibility, low temperature resistance, convenience in construction and environmental friendliness. When PE pipeline is produced or installed, need use draw gear to drive PE pipeline motion to the assigned position, draw gear's connecting piece is connected at PE pipeline's tip, but the connecting piece that uses at present is only through being connected with PE pipeline's outer wall or inner wall, and joint strength and stability are low, have the risk that drops, influence the traction effect of pipeline. Disclosure of Invention The utility model provides a connecting piece of a PE pipeline traction device, which can improve the traction effect of the connecting piece on the PE pipeline and avoid falling. In order to solve the problems, the technical scheme of the utility model is as follows: The connecting piece of the PE pipeline traction device comprises a shell, a bearing cylinder, a first top plate and a second top plate, wherein the right end of the shell is open, the left end of the shell is closed, the bearing cylinder is fixedly connected with the left inner face of the shell, a bearing ring is sleeved outside the left and right parts of the bearing cylinder in a sliding mode, a first driving piece used for driving the two bearing rings to move relatively or reversely is arranged on the bearing cylinder, a plurality of elastic plates are arranged between the two bearing rings and are in an annular array shape, each elastic plate is an arc-shaped plate protruding away from the bearing cylinder, two ends of each elastic plate are hinged to the bearing rings on two sides respectively, the first top plate is connected with the middle of the outer side face of each elastic plate, the second top plate is correspondingly arranged on the outer side of each top plate, the second top plate is movably connected with the peripheral wall of the shell, a second driving piece is arranged on the shell, and the second driving piece is used for driving the second top plates to synchronously approach or synchronously keep away from the bearing cylinder. Further, a connecting plate is connected to the left outer surface of the shell, the left end of the bearing cylinder is open, the right end of the bearing cylinder is closed, and sliding holes are formed in the peripheral wall of the bearing cylinder. Further, the first driving piece comprises a connecting plate and a screw rod, the inner ring of each bearing ring is connected with the connecting plate, the free end of each connecting plate penetrates through the sliding hole and stretches into the bearing cylinder, each connecting plate is in sliding contact with the sliding hole, the right end of the screw rod is rotationally connected with the right end of the bearing cylinder, the left end of the screw rod movably penetrates through the left side plate of the shell, the peripheral wall of the left and right parts of the screw rod is respectively provided with an external thread I and an external thread II with opposite screw threads, the left part of the screw rod is connected with the connecting plate in the left part of the bearing cylinder through the external thread I, and the right part of the screw rod is connected with the connecting plate in the right part of the bearing cylinder through the external thread II. Further, the first top plate is an arc plate protruding towards the peripheral wall of the shell, the first side surface of the first top plate, facing towards the peripheral wall of the shell, is provided with a first rubber pad, the second top plate is an arc plate protruding towards the peripheral wall of the shell, and the side surface, far away from the peripheral wall of the shell, of the second top plate is provided with a second rubber pad. Further, two driving parts include connecting rod and actuating cylinder, all be connected with the connecting rod on every roof two towards the side of casing perisporium, the free end of every connecting rod all activity runs through the casing perisporium, all is connected with the spring between the free end of every connecting rod and the casing perisporium, the left casing external screw thread of a plurality of connecting rods is connected with the swivel, the actuating cylinder is both ends open-ended cavity round platform body, the actuating cylinder cover is outside the casing, and be located a plurality of connecting rods outside,