CN212735911U - Spike pulling tool - Google Patents

Abstract

The utility model belongs to the technical field of the railway circuit maintenance instrument, concretely relates to spike pulling tool. The spike nail pulling device aims to solve the problem that a spike nail is difficult to pull out. The device comprises a support frame and a support plate, wherein the support plate is arranged at the top end of the support frame; the bottom of the supporting plate is provided with a guide sleeve; the nail nipping assembly comprises a sliding groove, a rack, a first vertical plate, a force arm, power teeth and a spring, and the sliding groove is formed in the top of the supporting plate; the first vertical plate is arranged on two sides of the sliding groove, the force arm is rotationally connected with the first vertical plate, the power tooth is hinged with the force arm, and the spring is arranged between the force arm and the power tooth; the power teeth are connected with cross rods; the rack is inserted and sleeved in the sliding chute and the guide sleeve pipe; the nail lifting claw is connected with the rack. The utility model discloses simple structure, power take off are direct, and single easy operation can get the spike in narrow and small space, causes equipment trouble's emergence when stopping the operation.

Description

Spike pulling tool

Technical Field

The utility model belongs to the technical field of the railway circuit maintenance instrument, concretely relates to spike pulling tool.

Background

At present, a lot of stations of local railways still use the wooden sleeper, the operation of taking out the wooden sleeper spikes exists in the daily maintenance operation of station lines, and a plurality of problems exist in the actual operation.

Among the current wooden sleeper circuit, when changing the road, changing the sleeper, changing the iron tie plate, need take out nail in wooden sleeper's spike, when wooden sleeper corrodes, spike corrosion, the spike is hardly taken out by the crow bar, even taken out by the crow bar, also because of great hard, causes the pin fin to drop, can't continue to use.

When the operation is gone up at the switch sleeper, when using the crowbar to get the nail, probably because the operation personnel exert oneself great, when can not control the crowbar for a while, make the crowbar drop, cause the circuit short circuit between the rail, the red light area appears in the track district section appearing, or the crowbar drops and injures the operation personnel by a crashing object.

When the operation is carried out on the switch sleeper, if the nail taking operation is carried out at the frog toe end, the crow bar is difficult to go deep because the frog toe end space is narrow, and the nail is taken when finding the supporting point. Two or more persons are required to cooperate to remove the spike.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

In order to realize the purpose, the utility model provides a spike pulling tool.

The device comprises a support frame and a support plate, wherein the support plate is horizontally arranged at the top end of the support frame; the supporting plate is provided with a through hole, and the bottom of the supporting plate is vertically provided with a guide sleeve; the nail nipping assembly comprises a sliding groove, a rack, a first vertical plate, a force arm, power teeth and a spring, the sliding groove is vertically arranged at the top of the supporting plate, and the sliding groove is communicated with the guide sleeve through a through hole in the supporting plate; the first vertical plate is arranged on two sides of the sliding groove, the force arm is rotationally connected with the first vertical plate, the power tooth is hinged with one end of the force arm, one end of the spring is connected with the force arm, and the other end of the spring is connected with the power tooth; the power teeth are connected with cross rods; the rack is inserted and sleeved in the sliding chute and the guide sleeve pipe; the nail pulling claw is connected with the rack and comprises a left nail clamp, a right nail clamp and a frame body, the left nail clamp and the right nail clamp are oppositely hinged on the frame body, and the inner side surfaces of the left nail clamp and the right nail clamp are provided with notches; the outer side surfaces of the left nail clamp and the right nail clamp are both connected with limiting rods, and locking rings are sleeved on the nail lifting claws. After the left nail clamp and the right nail clamp are combined, the size of the notch at the lower end is consistent with that of the cap edge of the spike, the locking ring is arranged on the outer side of each of the two clamps, and when the spike is clamped by the two nail clamps, the nail clamps are locked, so that the nail clamps are prevented from being broken when the spike is lifted.

Further, the claw of playing the nail still includes the installation piece, the installation piece with the support body is articulated, be connected with the connecting strip of two relative settings on the rack, the installation piece with the connecting strip is articulated. The mounting block is simultaneously hinged with the frame body and the connecting strip, so that the nail nipping claw can swing left and right and back and forth.

Further, the nail nipping assembly further comprises a second vertical plate, the second vertical plate is arranged on two sides of the sliding groove and located above the first vertical plate, and a clamping tooth piece is hinged to the second vertical plate. The tooth clamping sheet prevents the rack from slipping when the power tooth is retracted.

Furthermore, one end of the latch piece is in an oblique and inverted angle shape.

Further, the top end of the rack is connected with a pull ring. The pull ring is sleeved with anti-slip glue, so that the rack can be conveniently lifted.

Further, one end of the force arm is tubular. The inserted rod is inserted on the force arm, so that labor is saved when the spike is lifted.

Compared with the prior art, the utility model has the advantages that:

the utility model provides a pair of spike pulling tool, simple structure, power take off are direct, and one-man operation is simple, can get the spike in narrow and small space, causes the emergence of equipment trouble when stopping the operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a structural schematic diagram of the claw.

In the figure: 1-a pull ring; 2-a rack; 3-a second vertical plate; 4-a first vertical plate; 5-a support plate; 6-a support frame; 7-a guide sleeve; 8-a cross bar; 9-a limiting rod; 10-power teeth; 11-moment arm; 12-a spring; 13-a latch piece; 14-a connecting strip; 15-a locking ring; 16-a frame body; 17-right nail clamp; 18-left nail clamp; 19-a chute; 20-mounting the block.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

As shown in fig. 1 and 2, the spike pulling tool comprises a support frame 6, wherein the support frame 6 comprises a rectangular frame formed by welding rectangular plates and 4 support legs welded with the rectangular frame, and the length of each support leg is 460 mm. The supporting plate 5 is horizontally arranged at the top end of the supporting frame 6; the supporting plate 5 is provided with a through hole, and the bottom of the supporting plate 5 is vertically provided with a guide sleeve 7. The supporting plate 5 is connected with the supporting frame 6 in a welding mode. The guide sleeve 7 is a rectangular tube.

The nail nipping assembly comprises a sliding groove 19, a rack 2, a first vertical plate 4, a force arm 11, power teeth 10 and a spring 12, wherein the sliding groove 19 is vertically arranged at the top of the supporting plate 5, and the sliding groove 19 is communicated with the guide sleeve 7 through a through hole in the supporting plate 5; the first vertical plate 4 is arranged on two sides of the sliding groove 19, the force arm 11 is rotatably connected with the first vertical plate 4, and the power tooth 10 is hinged with one end of the force arm 11. The arm of force 11 forms a lever structure taking a hinge point of the arm of force 11 and the first vertical plate 4 as a fulcrum, the arm of force 11 is pressed downwards, and the other end of the arm of force 11 lifts the power tooth 11 upwards so as to lift the rack 2. The spring 12 is a reed, one end of the spring 12 is connected with the force arm 11, and the other end of the spring 12 is connected with the power tooth 10. The spring 12 presses the power tooth 10, so that the power tooth 10 and the rack 2 are always tightly attached. The power tooth 10 is connected with a cross rod 8, the cross rod 8 is used for shifting the power tooth 10, meanwhile, the cross rod 8 is clamped on the first vertical plate 4, and the power tooth 10 is prevented from being broken by a spring 12. The rack 2 is inserted in the sliding groove 19 and the guide sleeve 7; the guide sleeve 7 limits the direction of movement of the rack 2 so that the rack 2 can only move up and down. The nail nipping component further comprises a second vertical plate 3, the second vertical plate 3 is arranged on two sides of the sliding groove 19 and located above the first vertical plate 4, and a latch piece 13 is hinged to the second vertical plate 3. One end of the latch piece 13 is in an oblique and inverted angle shape. One end of the latch piece 13 with the chamfer is abutted against the tooth root of the rack 2 to prevent the rack 2 from slipping.

As shown in fig. 3; the nail nipping claw comprises a left nail clamp 18, a mounting block 20, a right nail clamp 17 and a frame body 16, wherein the left nail clamp 18 and the right nail clamp 17 are oppositely hinged on the frame body 16, and the inner side surfaces of the left nail clamp 18 and the right nail clamp 17 are provided with notches; the outer side surfaces of the left nail clamp 18 and the right nail clamp 17 are both connected with a limiting rod 9, and a locking ring 15 is sleeved on the nail lifting claw. The rack 2 is connected with two oppositely arranged connecting strips 14, the mounting block 20 is hinged to the frame body 16, and the mounting block 20 is hinged to the connecting strips 14. After the left and right clips 18, 17 grip the spike, the staple 15 falls. The nail clip is locked to prevent the nail clip from being broken when the nail is pulled out. The stop rod 9 prevents the locking collar 15 from falling off.

The top end of the rack 2 is connected with a pull ring 1.

One end of the force arm 11 is tubular. The arm of force 11 inserts the stick of suitable size, rotates and can upwards rise the spike, avoids when the nail operation is got to the switch sleeper, and the iron crow bar drops to lead to the unusual red light strip of track circuit or injure people's problem in the past on the rail.

The utility model discloses a use method does: the left nail clamp 18 and the right nail clamp 17 are used for clamping the spike, and the nail head edge of the spike is embedded into the notches of the left nail clamp 18 and the right nail clamp 17. The downward pressure arm 11 and the force arm 11 jack up the power teeth 10, further jack up the rack 2, and the rack pulls the claw to pull up the spike. When the power tooth 10 moves to the upper limit point and cannot support the rack 2 any more. The cross rod 8 is shifted, the power tooth 10 is shifted leftwards, the spring 12 is extruded, then the force arm 11 is shifted clockwise, and the power tooth 10 is reset again.

This device is placed in the outside at the narrow and small position in space, stretches into narrow and small space with the nail nipping claw, solves the narrow and small position in space such as frog heart toe end, switch heel end, goat portion on the switch sleeper, and the pinch-bar can't find the strong point, when getting the nail operation, can take out the spike fast, effectively, safely.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A spike pulling tool, comprising: the supporting plate (5) is horizontally arranged at the top end of the supporting frame (6); the supporting plate (5) is provided with a through hole, and the bottom of the supporting plate (5) is vertically provided with a guide sleeve (7);

the nail nipping assembly comprises a sliding groove (19), a rack (2), a first vertical plate (4), a force arm (11), power teeth (10) and a spring (12), the sliding groove (19) is vertically arranged at the top of the supporting plate (5), and the sliding groove (19) is communicated with the guide sleeve (7) through a through hole in the supporting plate (5); the first vertical plate (4) is arranged on two sides of the sliding groove (19), the force arm (11) is rotatably connected with the first vertical plate (4), the power tooth (10) is hinged with one end of the force arm (11), one end of the spring (12) is connected with the force arm (11), and the other end of the spring is connected with the power tooth (10); the power teeth (10) are connected with a cross rod (8); the rack (2) is inserted in the sliding groove (19) and the guide sleeve (7);

the nail pulling claw is connected with the rack (2), the nail pulling claw comprises a left nail clamp (18), a right nail clamp (17) and a frame body (16), the left nail clamp (18) and the right nail clamp (17) are hinged to the frame body (16) relatively, and gaps are formed in the inner side surfaces of the left nail clamp (18) and the right nail clamp (17); the outer side surfaces of the left nail clamp (18) and the right nail clamp (17) are both connected with a limiting rod (9), and a locking ring (15) is sleeved on the nail lifting claw.

2. A spike pulling tool according to claim 1, wherein: the nail claw further comprises an installation block (20), the installation block (20) is hinged to the frame body (16), two oppositely-arranged connecting strips (14) are connected to the rack (2), and the installation block (20) is hinged to the connecting strips (14).

3. A spike pulling tool according to claim 1, wherein: the nail nipping component further comprises a second vertical plate (3), the second vertical plate (3) is arranged on two sides of the sliding groove (19) and located above the first vertical plate (4), and a clamping tooth piece (13) is hinged to the second vertical plate (3).

4. A spike pulling tool according to claim 3, wherein: one end of the latch piece (13) is in an oblique and inverted angle shape.

5. A spike pulling tool according to claim 1, wherein: the top end of the rack (2) is connected with a pull ring (1).

6. A spike pulling tool according to claim 1, wherein: one end of the force arm (11) is tubular.

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