CN111997051A

CN111997051A - Cable pile pulling-out device

Info

Publication number: CN111997051A
Application number: CN202010813391.4A
Authority: CN
Inventors: 黄琼; 陈筱筠; 吴夏婷; 邱玉珍
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-11-27

Abstract

The invention provides a cable pile pulling device, and relates to the technical field of electric power. Cable pile pulling-out device includes support frame, rotation support subassembly and prying rod, and rotation support subassembly rotates to be connected at the top of support frame, can rotate at the horizontal plane for the support frame, and the prying rod rotates to be connected in rotation support subassembly, can rotate at vertical face for rotation support subassembly to the horizontal rotation and the vertical rotation of prying rod have been realized. One end of the prying rod is provided with a prying handle for applying force, and the other end of the prying rod is provided with a clamping device for clamping the cable pile. When the cable pile pulling device is used for pulling out, the prying handle is used for controlling the prying rod to freely and flexibly rotate, and the cable piles at different positions are clamped and pulled out through the clamping device. The cable pile pulling-out device is simple in structure and convenient to operate, can smoothly complete pulling-out work of cable piles in various complex and narrow terrains, and improves universality and working efficiency of the cable pile pulling-out device.

Description

Cable pile pulling-out device

Technical Field

The invention relates to the technical field of electric power, in particular to a cable pile pulling-out device.

Background

At present, the popularity of cables is very large, and according to the relevant regulations of electric power construction, the operation of laying cable piles must be carried out in a cable burying area. Common cable piles are generally made of cement or wood materials. Constructor lays the during operation and directly buries the underground with the cable pile, and the part that exposes ground carries out the serial number mark, and the relevant personnel of being convenient for carry out quick inquiry to the condition of cable. However, when the cable pile needs to be pulled out, the cable pile needs to be pulled out by means of a crane usually, the operation is very complicated, and the crane is very inconvenient to operate in places with limited space, so that certain trouble is brought to the dismantling work.

Therefore, it is desirable to provide a convenient and fast cable pile pulling device to solve the above-mentioned technical problems.

Disclosure of Invention

The invention aims to provide a cable pile pulling device which is simple in structure, convenient and fast to operate and low in space requirement on an operation site.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a cable pile pulling device, comprising:

a support frame;

the rotary support component is rotatably connected to the top of the support frame and can rotate in the horizontal plane relative to the support frame;

the prying rod is rotationally connected with the rotary supporting component and can rotate on a vertical surface relative to the rotary supporting component; one end of the prying rod is connected with a prying handle for applying force, and the other end of the prying rod is connected with a clamping device for clamping the cable pile; the distance from the rotating connection point of the prying rod and the rotating support assembly to the prying handle is greater than the distance from the rotating connection point to the clamping device.

Preferably, the rotation support assembly includes:

the supporting column is fixedly connected to the supporting frame;

the rotating seat is rotatably sleeved on the supporting column, the prying rod is connected to the rotating seat, and the rotating seat can rotate horizontally.

Preferably, the rotation support assembly further comprises:

the axis of rotation, rotate set up in on the roating seat, the axis of rotation is on a parallel with the horizontal plane and can rotate around self axis, pry the pole with axis of rotation fixed connection.

Preferably, the clamping device comprises:

the adjusting component is connected to the prying rod;

the fixed clamping block is fixedly connected to the adjusting component;

a movable clamping block movably connected to the adjusting assembly, the movable clamping block being configured to be capable of approaching or departing from the fixed clamping block under the adjusting action of the adjusting assembly to clamp or release the cable pile.

Preferably, the adjustment assembly comprises:

the adjusting block is connected to the prying rod, and the fixed clamping block is fixedly connected to the adjusting block;

the mounting groove is formed in the adjusting block;

the screw rod is arranged in the mounting groove, and the movable clamping block is in threaded connection with the screw rod.

Preferably, the adjustment assembly further comprises:

the limiting sliding chute is arranged on the side wall of the mounting groove;

and the limiting block is fixedly connected with the movable clamping block and is arranged in the limiting sliding groove in a sliding manner.

Preferably, the adjustment assembly further comprises:

the rotating handle is arranged at one end of the screw rod and extends out of the adjusting block.

Preferably, the clamping device is provided with a plurality of clamping devices, and the plurality of clamping devices are connected to the prying rod at intervals along the vertical direction.

Preferably, the support frame is a tripod, the height of which can be adjusted.

Preferably, the prying rod comprises a first prying rod and a second prying rod which are connected, and an included angle between the first prying rod and the second prying rod is an obtuse angle.

Compared with the prior art, the invention has the beneficial effects that:

the cable pile pulling-out device provided by the invention comprises a support frame and a prying rod, wherein the prying rod is connected to the top of the support frame and can horizontally rotate and vertically rotate, when the cable pile pulling-out device is used for pulling-out, the prying rod is controlled to freely and flexibly rotate through a prying handle, and the cable piles at different positions are clamped and pulled out through a clamping device. The cable pile pulling-out device is simple in structure and convenient to operate, can smoothly complete pulling-out work of cable piles in various complex and narrow terrains, and improves universality and working efficiency of the cable pile pulling-out device.

Drawings

Fig. 1 is a schematic structural view of a cable pile pulling device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a rotary support assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of an adjustment assembly provided in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a cable pile pulling device with a plurality of clamping devices according to a second embodiment of the present invention.

In the figure:

1. a support frame; 2. prying a rod; 3. prying the handle; 4. a support pillar; 5. a rotating base; 6. a rotating shaft;

7. an adjustment assembly; 701. an adjusting block; 702. mounting grooves; 703. a lead screw; 704. a slider; 705. a limiting chute; 706. a limiting block; 707. rotating the handle; 708. a bump; 709. rotating the groove;

8. fixing the clamping block; 9. a movable clamping block; 10. rotating the connecting rod; 11. a reinforcing block; 12. and (7) a supporting block.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1, the invention provides a cable pile pulling device, which comprises a support frame 1 and a prying rod 2, wherein the prying rod 2 is connected to the top of the support frame 1. The pry bar 2 can rotate horizontally as well as vertically. One end of the prying rod 2 is provided with a prying handle 3 for applying force, and the other end is provided with a clamping device for clamping a cable pile. When the cable pile pulling device is used for pulling out, the prying handle 3 is used for controlling the prying rod 2 to freely and flexibly rotate, and the cable piles at different positions are clamped and pulled out through the clamping device. The cable pile pulling-out device is simple in structure and convenient to operate, can smoothly complete pulling-out work of cable piles in various complicated and narrow places of terrains, and improves universality and work efficiency.

When carrying out the operation of extracting the cable pile, the operation is pried 3 levels of handle and is rotated prying rod 2, make the clamping device who sets up on prying rod 2 remove the cable pile top of treating the extraction, then the operation is pried 3 vertical rotations prying rod 2 of handle, make clamping device remove the pile body position of the cable pile of treating the extraction and grasp the cable pile of treating the extraction, the vertical rotation prying rod 2 of handle 3 of rethread operation is pried and is extracted the cable pile of treating the extraction, the operation is pried 3 levels of handle and is rotated at last, remove the cable pile of having extracted to the corresponding equipment of retrieving the cable pile, loosen clamping device, accomplish the operation of extracting of cable pile.

Specifically, as shown in fig. 2, a rotary support assembly is fixedly connected to the support frame 1, and the rotary support assembly includes a support block 12, a support column 4 and a rotary base 5. Fixedly connected with supporting shoe 12 on the support frame 1 for increase the stability of rotatory supporting component, fixedly connected with support column 4 on the supporting shoe 12 rotates the cover on the support column 4 and is equipped with roating seat 5, prizes pole 2 and connects on roating seat 5. Under this structure, roating seat 5 can the horizontal rotation to drive pry pole 2 and rotate together the level, in order to change clamping device position in the horizontal plane.

Further, rotatory supporting component still includes axis of rotation 6, and axis of rotation 6 rotates and sets up on roating seat 5, and axis of rotation 6 is on a parallel with the horizontal plane and can rotate around self axis, and pry pole 2 and axis of rotation 6 fixed connection to realize that pry pole 2 can be vertical rotation in the vertical plane together with axis of rotation 6, make clamping device can remove in vertical direction.

Preferably, as shown in fig. 3, the clamping device comprises an adjusting assembly 7, a fixed clamp block 8 and a movable clamp block 9. Wherein, adjusting part 7 is connected with prying rod 2, and fixed clamp splice 8 fixed connection is in adjusting part 7, and preferably, fixed clamp splice 8 passes through bolt fixed connection with adjusting part 7, when fixed clamp splice 8 needs to be changed, only needs to loosen the bolt, can accomplish and tear open the work of changing. The movable clamping block 9 is movably connected to the adjusting component 7, and the movable clamping block 9 is configured to be capable of approaching to or departing from the fixed clamping block 8 under the action of the adjusting component 7, so that when the cable pile is pulled out, the clamping device clamps or loosens the cable pile to be pulled out.

Preferably, in order to prevent the cable pile from slipping off the clamping device when being pulled out, the side walls of the fixed clamping block 8 and the movable clamping block 9, which are in contact with the cable pile, are provided with anti-slip layers.

Specifically, the adjustment assembly 7 includes an adjustment block 701, a mounting groove 702, and a lead screw 703. Fixed clamp splice 8 fixed connection is in regulating block 701, and regulating block 701 is inside to be provided with mounting groove 702, and the inside lead screw 703 that is provided with of mounting groove 702 is provided with the screw hole on the activity clamp splice 9, and activity clamp splice 9 passes through screw hole and lead screw 703 threaded connection. Under the structure, the screw rod 703 and the movable clamping block 9 form a screw rod nut structure, and the sliding of the movable clamping block 9 is realized by controlling the rotation of the screw rod 703, so that the adjustment of the distance between the movable clamping block 9 and the fixed clamping block 8 is realized.

Preferably, the adjusting assembly 7 further comprises a first limiting assembly, and the first limiting assembly comprises a limiting chute 705 and a limiting block 706. The limiting sliding groove 705 is formed in the side wall of the mounting groove 702; the limiting block 706 is fixedly connected to the tail end of the movable clamping block 9, and the limiting block 706 is slidably disposed in the limiting sliding groove 705 to limit the sliding range of the movable clamping block 9. The length of the position-limiting sliding groove 705 determines the adjusting range of the movable clamping block 9, and thus determines the clamping range of the clamping device. When the limiting block 706 moves to the position where the limiting chute 705 is close to the inner wall of the fixed clamping block 8, the distance between the movable clamping block 9 and the fixed clamping block 8 is the minimum opening degree of the clamping device; when the limiting block 706 moves to the position where the limiting chute 705 is far away from the inner wall of the fixed clamping block 8, the distance between the movable clamping block 9 and the fixed clamping block 8 is the maximum opening degree of the clamping device.

Preferably, clamping device and prying rod 2 are for dismantling the connection, can change the clamping device of different aperture control ranges according to the cable stake of different sizes to improve the commonality of cable stake extracting device. Alternatively, the clamping device is connected to the pry bar 2 by a bolt and a nut.

To ensure the rotational stability of the lead screw 703, the adjustment assembly 7 further comprises a second limiting assembly, which comprises a protrusion 708 and a rotational groove 709. The bump 708 is arranged at the tail end of the screw rod 703, and the rotating groove 709 corresponding to the bump 708 is arranged at one side of the side wall of the installation groove 702 adjacent to the limiting sliding groove 705.

Preferably, the adjusting assembly 7 further comprises a sliding block 704, one end of the sliding block 704 is provided with a threaded hole, the sliding block 704 is in threaded connection with the lead screw 703 through the threaded hole, and the other end of the sliding block 704 is detachably connected with the movable clamping block 9, so that the movable clamping block 9 can be conveniently detached and replaced. Further preferably, the sliding block 704 extends out of the adjusting block 701 and is detachably connected with the movable clamping block 9 through a bolt, when the movable clamping block 9 needs to be replaced, the movable clamping block 9 can be replaced only by loosening the bolt, and operation convenience is improved.

Further preferably, the adjusting assembly 7 further comprises a rotating handle 707, the rotating handle 707 is disposed at one end of the lead screw 703, the rotating handle 707 extends out of the adjusting block 701, and the rotating handle 707 is disposed to facilitate controlling the rotation of the lead screw 703.

In the present embodiment, the support frame 1 is a tripod, and the stability of the device can be significantly improved when the cable pile is pulled out. Preferably, the height of the tripod is adjustable in order to increase the applicability of the cable pile pulling device. When the cable pile is pulled out, if the working ground is uneven or the existing height of the pulling device is not suitable for the cable pile pulling operation, the height of each support leg of the tripod can be adjusted, so that the cable pile pulling device can keep a balanced and stable working state, and the purpose of smoothly and conveniently completing the cable pile pulling operation is achieved.

Optionally, prying rod 2 includes first prying rod and the second prying rod that is connected, and the contained angle between first prying rod and the second prying rod is the obtuse angle, gives clamping device bigger adjustment space in order to centre gripping cable pile when laborsaving operation.

Preferably, first prying rod is close to prying handle 3, and second prying rod is close to clamping device, and the length of first prying rod is not less than the length of second prying rod for laborsaving extraction cable stake.

Preferably, first pry pole and second pry pole integrated into one piece, the convenient processing to pry pole 2 is made.

Further preferably, in order to prevent the pry rod 2 from breaking and improve the structural strength of the pry rod 2, the first pry rod and the second pry rod are provided with reinforcing blocks 11 at the included angle.

Preferably, the outer wall of the prying handle 3 is provided with an anti-slip layer for increasing the surface friction force and preventing the operator from slipping during operation, thereby improving the use safety.

Example two

This embodiment proposes a cable pile pulling device, as shown in fig. 4, which differs from the cable pile pulling device of the first embodiment only in the number of clamping devices.

When the length of the cable pile to be pulled out is long, the cable pile is easy to incline in the process of pulling out by only one set of clamping device, so that the pulling out operation is not smooth. In order to solve the technical problem, a plurality of clamping devices are provided in the embodiment, and the plurality of clamping devices are arranged at intervals along the vertical direction so as to improve the stability of the pulling-out operation process.

Specifically, the clamping device directly connected to the prying bar 2 is a main clamping device, and the rest of the clamping devices play a role of auxiliary clamping, and for the auxiliary clamping device, the auxiliary clamping device is connected to the prying bar 2 through the rotating connecting rod 10. The main clamping device and the auxiliary clamping device are arranged at intervals along the vertical direction so as to be clamped at different height positions of the cable pile. Preferably, the main clamping device and the auxiliary clamping device are arranged at equal intervals to uniformly apply force to the cable pile during the pulling-out operation, so that the stability of the pulling-out operation is improved, and the cable pile is prevented from being inclined in the pulling-out process.

Preferably, the turning connecting rod 10 is bolt-connected with the pry rod 2. Before the pulling-out operation, the bolt is in an unthreading state, the height of the auxiliary clamping device is adjusted by adjusting the angle of the rotating connecting rod 10 to enable the auxiliary clamping device to be close to a cable pile to be pulled out, and the bolt is tightened after the position is determined to fix the operation position of the auxiliary clamping device.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cable pile pulling apparatus, comprising:

a support frame (1);

the rotary support component is rotatably connected to the top of the support frame (1) and can rotate on a horizontal plane relative to the support frame (1);

the prying rod (2) is rotationally connected with the rotary supporting component and can rotate on a vertical surface relative to the rotary supporting component; one end of the prying rod (2) is connected with a prying handle (3) for applying force, and the other end of the prying rod is connected with a clamping device for clamping the cable pile; the distance from the rotating connection point of the prying rod (2) and the rotating support assembly to the prying handle (3) is greater than the distance from the rotating connection point to the clamping device.

2. The cable pile pulling apparatus of claim 1, wherein the rotational support assembly includes:

the supporting column (4) is fixedly connected to the supporting frame (1);

the rotating seat (5) is rotatably sleeved on the supporting column (4), the prying rod (2) is connected to the rotating seat (5), and the rotating seat (5) can rotate horizontally.

3. The cable pile pulling apparatus of claim 1, wherein the rotational support assembly further comprises:

axis of rotation (6), rotate set up in on roating seat (5), axis of rotation (6) are on a parallel with the horizontal plane and can rotate around self axis, pry pole (2) with axis of rotation (6) fixed connection.

4. A cable pile pulling apparatus according to claim 1, wherein the clamping means comprises:

the adjusting assembly (7) is connected to the prying rod (2);

the fixed clamping block (8) is fixedly connected to the adjusting component (7);

a movable clamping block (9) movably connected to the adjusting assembly (7), wherein the movable clamping block (9) is configured to be capable of approaching or departing from the fixed clamping block (8) under the adjusting action of the adjusting assembly (7) to clamp or release the cable pile.

5. Cable pile pulling device according to claim 4, characterised in that the adjustment assembly (7) comprises:

the adjusting block (701) is connected to the prying rod (2), and the fixed clamping block (8) is fixedly connected to the adjusting block (701);

the mounting groove (702) is formed in the adjusting block (701);

the screw rod (703) is arranged in the mounting groove (702), and the movable clamping block (9) is in threaded connection with the screw rod (703).

6. Cable pile pulling device according to claim 5, characterised in that the adjustment assembly (7) further comprises:

the limiting sliding groove (705) is arranged on the side wall of the mounting groove (702);

and the limiting block (706) is fixedly connected to the movable clamping block (9), and the limiting block (706) is arranged in the limiting sliding groove (705) in a sliding manner.

7. Cable pile pulling device according to claim 5, characterised in that the adjustment assembly (7) further comprises:

and the rotating handle (707) is arranged at one end of the screw rod (703), and the rotating handle (707) extends out of the adjusting block (701).

8. A pile pulling device according to claim 1, wherein the clamping means is provided in plurality, and a plurality of the clamping means are connected to the pry bar (2) at intervals in the vertical direction.

9. A device for extracting a cable pile as claimed in claim 1, characterised in that the support frame (1) is a tripod, the height of which can be adjusted.

10. The device for pulling out a cable pile according to claim 1, wherein the prying rod (2) comprises a first prying rod and a second prying rod which are connected, and an included angle between the first prying rod and the second prying rod is an obtuse angle.