CN217440944U

CN217440944U - Pipe dragging device for pipe penetrating in sleeve

Info

Publication number: CN217440944U
Application number: CN202221426545.5U
Authority: CN
Inventors: 李长青; 秦国强; 张世泉; 樊亚婷; 李辉
Original assignee: Shanxi Water Resources And Hydropower Survey Design And Research Institute Co ltd
Current assignee: Shanxi Water Resources And Hydropower Survey Design And Research Institute Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-16
Anticipated expiration: 2032-06-08

Abstract

The utility model belongs to the technical field of the intraductal poling of cover and specifically relates to a drag pipe device for intraductal poling of cover, including locating concrete pipe one end and being used for dragging the drive mechanism of steel pipe, locate the wheel rail in the concrete pipe, rotate the pulley of connecting in wheel rail and bearing steel pipe antedisplacement, the pulley sets up two sets ofly at least, every group pulley sets up the several along steel pipe length direction, it can stabilize the antedisplacement to possess the steel pipe on two sets of pulleys, it is great to make the anticorrosive coating on steel pipe surface difficult wearing and tearing, can promote the life's of steel pipe effect.

Description

Pipe dragging device for pipe penetrating in sleeve

Technical Field

The application relates to the field of a casing pipe inner penetrating technology, in particular to a pipe dragging device for casing pipe inner penetrating.

Background

In the construction of some large-scale water transmission pipelines, roads such as railways or highways need to be crossed, if the open excavation mode is adopted, time is consumed, and the normal passing of the roads is influenced, therefore, a concrete pipe is adopted for jacking, and then a steel pipe passes through the concrete pipe, so that the aim of quickly laying the steel pipe is achieved.

At present, in order to enable a steel pipe to move forwards in a concrete pipe with limited space, a steel rail is often arranged at the bottom in the concrete pipe, and then the steel pipe is placed on the steel rail to be dragged to move forwards.

Aiming at the related technology, the steel pipe can cause great damage to the anticorrosive coating on the surface of the steel pipe when moving forwards on the steel rail, and the service life of the pipeline is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the influence that self life receives great among the pipeline removal process, this application provides a pipe dragging device for intraductal poling of cover.

The application provides a drag pipe device for intraductal poling of cover adopts following technical scheme:

the utility model provides a dragging pipe device for intraductal poling of cover, is including locating concrete pipe one end and being used for dragging the steel pipe drive mechanism, locate the wheel rail in the concrete pipe, rotate and connect in the wheel rail and the pulley that the bearing steel pipe moved forward, the pulley sets up two sets ofly at least, and every group pulley sets up the several along steel pipe length direction.

Through adopting above-mentioned technical scheme, the steel pipe antedisplacement on the pulley is the rotation contact between pulley and the steel pipe for the steel pipe is less at the frictional force that antedisplacement in-process surface received, makes the anticorrosive coating on steel pipe surface be difficult for receiving great wearing and tearing, helps promoting the life of steel pipe, and the pulley sets up at least two sets ofly, makes the steel pipe can carry out the steady removal on two sets of pulleys, is difficult for rocking.

Optionally, the wheel rails are provided with at least two rows corresponding to each group of pulleys, each row of wheel rails is provided with a plurality of wheels along the length direction of the steel pipe, and two adjacent wheel rails are detachably connected.

Through adopting above-mentioned technical scheme for the segmentation of wheel rail sets up, and the condition that reduces wheel rail length overlength and increased the degree of difficulty of setting up the wheel rail appears.

Optionally, the wheel rail is inserted with a rail seat rod fixedly connected to the concrete pipe.

Through adopting above-mentioned technical scheme for after the steel pipe passed the concrete pipe, and accomplish preliminary erection support to the steel pipe in the concrete pipe, can take out the wheel rail, so that carry out cycle recycle to the wheel rail.

Optionally, the traction mechanism includes a winch located at one end of the concrete pipe, a movable pulley for driving the steel pipe to move, and a component block located at one end of the concrete pipe close to the winch, a traction rope of the winch is connected to the movable pulley in a transmission manner, and the end of the traction rope of the winch is fixedly connected to the component block so that the movable pulley can be pulled to move forward by the winch.

Through adopting above-mentioned technical scheme, the haulage rope rolling of hoist engine with self for the movable pulley is driven the antedisplacement, makes the required effort of steel pipe antedisplacement provide respectively by hoist engine and component block, makes the power of hoist engine reduce, so that drive the steel pipe antedisplacement more smoothly.

Optionally, the movable pulley is rotatably connected with a wheel hook, and the wheel hook is detachably connected with a pipe ring fixedly connected to the steel pipe.

Through adopting above-mentioned technical scheme to after the steel pipe removal is accomplished, can directly take off the movable pulley, it is comparatively convenient.

Optionally, the movable pulley can be dismantled and be connected with the wheel piece, and the wheel piece rotates and is connected with two-way screw rod, and the screw thread opposite direction of two-way screw rod central point both sides, the equal threaded connection of two-way screw rod central point both sides equidistance department has to support the pole, and wheel piece fixedly connected with supports the pole butt in the steel pipe inner wall along two-way screw rod length direction sliding connection in the guide block that supports the pole, and two-way screw rod central point department fixedly connected with just changes the piece.

Through adopting above-mentioned technical scheme, will just change the piece and rotate for two-way screw rod rotates, makes two support the pole and keeps away from mutually, and two support the pole and support tightly respectively in two relative inner walls of steel pipe, make at the movable pulley antedisplacement in-process, can drive the wheel piece and remove, make the steel pipe advance in step.

Optionally, the abutting rod comprises a screw cylinder in threaded connection with the bidirectional screw rod, a screw cylinder end block arranged at one end of the screw cylinder facing the inner wall of the steel pipe, and a rubber block arranged at the screw cylinder end block and abutting against the inner wall of the steel pipe.

Through adopting above-mentioned technical scheme for the rubber block is when supporting tightly in the steel pipe inner wall, and the pressure that causes the steel pipe is difficult too big, makes the difficult indent that appears of steel pipe inner wall.

Optionally, the end block of the screw cylinder is in threaded connection with the end of the screw cylinder.

Through adopting above-mentioned technical scheme to take off barrel end piece, change the block rubber.

In summary, the present application includes at least one of the following benefits:

1. the friction force on the surface of the steel pipe is small in the forward moving process, so that the anticorrosive coating on the surface of the steel pipe is not easily abraded greatly, and the service life of the steel pipe is prolonged;

2. the acting force required by the forward movement of the steel pipe is respectively provided by the winch and the component force block, so that the power of the winch can be reduced, and the steel pipe can be driven to move forward more smoothly.

Drawings

FIG. 1 is a schematic vertical side view of a concrete pipe in section according to the present application;

FIG. 2 is a schematic view of a concrete pipe cut in half to better show the structure of the rail seat post, the wheel rail and the pulley inside the concrete pipe;

FIG. 3 is a schematic structural diagram of the present application in which the wheel hook of the movable pulley drives the steel tube to move forward in another way;

fig. 4 is an enlarged view of a in fig. 3.

Description of reference numerals: 1. a concrete pipe; 11. a guide groove; 12. turning the opening conveniently; 2. a steel pipe; 21. a bidirectional screw; 22. a support rod; 23. a guide block; 24. a screw cylinder; 25. a barrel end block; 26. a rubber block; 27. the block is rotated; 28. a dovetail groove; 29. a dovetail block; 3. a traction mechanism; 31. a wheel rail; 32. a pulley; 33. a rail seat post; 34. a hoist; 35. a movable pulley; 36. a component force block; 37. a wheel hook; 38. a pipe ring; 39. and (7) a wheel block.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a pipe device that drags for intraductal poling of cover, refer to fig. 1 and fig. 2, including two rows of rail seat poles 33 of fixed connection in 1 bottom inner wall of concrete pipe, stabilize through high strength cement between rail seat pole 33 and the 1 inner wall of concrete pipe and connect, dovetail 28 has been seted up to rail seat pole 33 upper surface, dovetail 28 length direction is on a parallel with 1 length direction of concrete pipe, 28 length direction both ends of dovetail run through respectively in rail seat pole 33 both ends, every row of rail seat pole 33 sets up several along self length direction, laminate mutually between the two adjacent rail seat pole 33 length direction terminal surfaces of same row.

Referring to fig. 2, a row of wheel rails 31 is installed above each row of rail seat rods 33, the length direction of the wheel rails 31 is consistent with the length direction of the rail seat rods 33, a plurality of wheel rails 31 are uniformly arranged along the length direction of the wheel rails 31, the end faces of two adjacent wheel rails 31 in the same row are attached to each other, the two adjacent wheel rails 31 in the same row are detachably connected through bolts, a dovetail block 29 is fixedly connected to the lower surface of each wheel rail 31, and the dovetail block 29 is slidably connected to the dovetail groove 28 along the length direction of the dovetail groove 28. The two wheel rails 31 farthest from each other in the same row can be position-limited by steel cables (not shown in the figure) anchored on the soil layers at the two ends of the concrete pipe 1, so that the wheel rails 31 are not easy to move freely on the rail seat rods 33. Every row of wheel rail 31 is gone up and all rotates along self length direction and is connected with a set of pulley 32, and pulley 32 is the slope, and two sets of pulleys 32 carry out the symmetry with the vertical central line of steel pipe 2 and set up for the circumferential surface of two sets of pulleys 32 laminates in the circumference outer wall of steel pipe 2, makes smooth antedisplacement of steel pipe 2.

Referring to fig. 1, a traction mechanism 3 for dragging a steel pipe 2 is installed at one end of a concrete pipe 1, the traction mechanism 3 comprises a winch 34 anchored on a soil layer at one end of the concrete pipe 1, a pipe ring 38 is welded on an end face of the steel pipe 2 close to the winch 34, the pipe ring 38 is hooked with a wheel hook 37, one end of the wheel hook 37 far away from the pipe ring 38 is rotatably connected with a movable pulley 35, and a steel wire rope of the winch 34 is driven to pass through one side of the movable pulley 35 close to the wheel hook 37. The soil layer on the edge of the windlass 34 is anchored with a component force block 36, and the end part of the steel wire rope of the windlass 34 which is transmitted through the movable pulley 35 is tied to the component force block 36, so that when the windlass 34 winds up the steel wire rope, the movable pulley 35 moves towards the windlass 34 to drive the steel pipe 2 to move forwards.

Referring to fig. 3 and 4, in another embodiment of this embodiment, when the length and diameter of the steel pipe 2 are relatively small, the wheel hook 37 of the movable pulley 35 is hooked with the wheel block 39, the wheel block 39 is rotatably connected with a bidirectional screw 21, the thread directions of both sides of the central point of the bidirectional screw 21 are opposite, the wheel block 39 is located at the central point of the bidirectional screw 21 and is provided with the toilet turn port 12, the central point of the bidirectional screw 21 is coaxially and fixedly connected with the toilet turn block 27, the toilet turn block 27 is located in the toilet turn port 12 and the outer surface is adhered with a rubber layer, both sides of the central point of the bidirectional screw 21 are provided with a resisting rod 22 at equal intervals, the resisting rod 22 comprises a screw barrel 24 in threaded connection with the bidirectional screw 21, the circumferential outer wall of the screw barrel 24 is provided with a guide groove 11, the length direction of the guide groove 11 is consistent with the length direction of the screw barrel 24, both ends of the length direction of the guide groove 11 penetrate both ends of the screw barrel 24, the wheel block 39 is fixedly connected with the guide block 23 in sliding connection with the inner wall of the guide groove 11, so that the screw cylinder 24 is not easily rotated along with the rotation of the bidirectional screw 21 when the bidirectional screw 21 is rotated. The outer wall of the circumference of one end, far away from each other, of each of the two screw cylinders 24 is coaxially and threadedly connected with a screw cylinder end block 25, one side, facing the inner wall of the steel pipe 2, of each screw cylinder end block 25 is adhered with a rubber block 26, and each rubber block 26 can be supported by silicon rubber, so that large friction force can exist between each rubber block 26 and the steel pipe 2 when the rubber block 26 abuts against the inner wall of the steel pipe 2.

The implementation principle of the pipe dragging device for penetrating the pipe in the sleeve pipe is as follows: firstly, a rail seat rod 33 is arranged in a concrete pipe 1, then a wheel rail 31 is correspondingly detachably connected to the rail seat rod 33, a movable pulley 35 is arranged at one end of the steel pipe 2, one end of a steel wire rope of a winch 34 is wound around the movable pulley 35 and is bound on a component force block 36, and then the winch 34 winds the steel wire rope, so that the movable pulley 35 moves forwards to drive the steel pipe 2 to move forwards on the two groups of pulleys 32.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipe dragging device for intraductal poling of cover which characterized in that: including locating concrete pipe (1) one end and being used for dragging drive mechanism (3) of steel pipe (2), locating wheel rail (31), the rotation in concrete pipe (1) and connecting in wheel rail (31) and bearing steel pipe (2) antedisplacement pulley (32), pulley (32) set up two sets at least, and every group pulley (32) set up the several along steel pipe (2) length direction.

2. A pipe pulling device for use in threading pipe into casing according to claim 1, wherein: the wheel rails (31) are arranged in at least two rows corresponding to each group of pulleys (32), a plurality of wheel rails (31) in each row are arranged along the length direction of the steel pipe (2), and two adjacent wheel rails (31) are detachably connected.

3. A pipe pulling device for use in threading pipe into casing according to claim 1, wherein: the wheel rail (31) is inserted with a rail seat rod (33) fixedly connected with the concrete pipe (1).

4. A pipe pulling device for use in threading pipe into casing according to claim 1, wherein: the traction mechanism (3) comprises a winch (34) located at one end of the concrete pipe (1), a movable pulley (35) driving the steel pipe (2) to move, and a component block (36) arranged at one end of the concrete pipe (1) close to the winch (34), wherein a traction rope of the winch (34) is connected to the movable pulley (35) in a transmission mode, and the end part of the traction rope of the winch (34) is fixedly connected to the component block (36) so that the movable pulley (35) can be pulled to move forwards in the winch (34).

5. The pipe pulling device for intraductal penetration of a casing according to claim 4, wherein: the movable pulley (35) is rotatably connected with a wheel hook (37), and the wheel hook (37) is detachably connected with a pipe ring (38) fixedly connected with the steel pipe (2).

6. The pipe pulling device for intraductal penetration of a casing according to claim 4, wherein: movable pulley (35) can be dismantled and be connected with round piece (39), round piece (39) are rotated and are connected with two-way screw rod (21), the screw thread opposite direction of two-way screw rod (21) central point both sides, the equal threaded connection in equidistance department of two-way screw rod (21) central point has support rod (22), round piece (39) fixedly connected with follows two-way screw rod (21) length direction sliding connection in guide block (23) of support rod (22), support rod (22) butt in steel pipe (2) inner wall, two-way screw rod (21) central point department fixedly connected with just changes piece (27).

7. The apparatus according to claim 6, wherein: the support rod (22) comprises a screw cylinder (24) in threaded connection with the two-way screw (21), a screw cylinder end block (25) arranged at one end, facing the inner wall of the steel pipe (2), of the screw cylinder (24), and a rubber block (26) arranged on the screw cylinder end block (25) and abutted to the inner wall of the steel pipe (2).

8. A pipe pulling device for use in threading pipe through casing according to claim 7, wherein: the screw barrel end block (25) is in threaded connection with the end part of the screw barrel (24).