CN218746063U

CN218746063U - Replacing tool for pressing plate bolt of overhead traveling crane track

Info

Publication number: CN218746063U
Application number: CN202222828778.4U
Authority: CN
Inventors: 朱华峰; 秦新友
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-28
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a replacing tool for a pressing plate bolt of a track of a crown block, which comprises a bolt hoisting part, a nut rotating part and a lifting ring arranged at the end part of a screw rod of the bolt; the lifting ring is arranged in the middle of the end part of the screw rod, and the outer diameter of the lifting ring is smaller than the diameter of the screw rod; the bolt hoisting part comprises a small hook and a large hook, the small hook can hook up the hoisting ring and can penetrate through a bolt hole in the reinforced concrete beam, the large hook cannot penetrate through the bolt hole, and the non-hook ends of the small hook and the large hook are connected through a flexible rope; nut rotating parts includes the bracing piece, the fixed handle, the other end detachable that are the setting of U type that are provided with of one end of bracing piece are provided with the nut buckle, the hexagonal hole that has just in time blocked the nut is opened to the other end of nut buckle, the utility model discloses simple structure, intensity of labour that can significantly reduce, the energy saving improves the operation security.

Description

Replacing tool for pressing plate bolt of overhead traveling crane track

Technical Field

The utility model relates to a change instrument of overhead traveling crane rail clamp plate bolt belongs to overhead traveling crane maintenance technical field.

Background

The overhead traveling crane track pressing plate is fixed on the reinforced concrete beam by bolts, the bolts are longer and penetrate through the bottom of the reinforced concrete beam until penetrating out of the overhead traveling crane track pressing plate, then the gaskets are arranged on the overhead traveling crane track pressing plate, and the overhead traveling crane track pressing plate is fixed by nuts. After the crown block runs for a period of time, the bolts of the rail pressing plate of the crown block need to be replaced.

In the prior art, a special suspension cage needs to be arranged below the near-track rail end of an overhead travelling crane, and one person stands in the suspension cage and is positioned below a reinforced concrete beam to take down a bolt from the reinforced concrete beam or pass the bolt out from the bottom of the reinforced concrete beam; another person stands on the reinforced concrete beam for disassembling or fastening the nut. When the bolt is replaced, a worker standing on the reinforced concrete beam uses a movable wrench or a double offset ring spanner to unscrew the nut; the overhead traveling crane operator opens the overhead traveling crane to the bolt replacement position and then cuts off the power (so as to avoid electric shock danger near the overhead traveling crane slide wire), the staff who stands in the cage takes off the bolt, simultaneously wears new bolt from the below of reinforced concrete roof beam, then the staff who stands on the reinforced concrete roof beam is fixed with the nut.

In the method for replacing the bolt in the prior art, one bolt is replaced, the overhead travelling crane needs to move once, the power is sent and cut once, the operation is very complicated, and meanwhile, workers need to move along with the overhead travelling crane in a suspension cage, so that danger exists; in addition, when the nut is fastened and disassembled, the use of an adjustable wrench or a double offset ring spanner is very laborious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem, provide a change instrument of overhead traveling crane track clamp plate bolt, simple structure, intensity of labour that can significantly reduce, the energy saving improves the operation security.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a tool for replacing a pressing plate bolt of a track of a crown block comprises a bolt hoisting component, a nut rotating component and a hanging ring arranged at the end part of a screw rod of the bolt; the lifting ring is arranged in the middle of the end part of the screw rod, and the outer diameter of the lifting ring is smaller than the diameter of the screw rod; the bolt hoisting part comprises a small hook and a large hook, the small hook can hook up the hoisting ring and can penetrate through a bolt hole in the reinforced concrete beam, the large hook cannot penetrate through the bolt hole, and the non-hook ends of the small hook and the large hook are connected through a flexible rope; the nut rotating part comprises a supporting rod, one end of the supporting rod is fixedly provided with a handle which is arranged in a U shape, the other end of the supporting rod is detachably provided with a nut buckle, and the other end of the nut buckle is provided with a hexagonal hole which is used for clamping the nut.

The utility model discloses technical scheme's further improvement lies in: the outer surface of the nut buckle is cylindrical.

The utility model discloses technical scheme's further improvement lies in: the bracing piece is fixed to be set up in the middle part of handle, and the both ends of handle are for holding the end, set up.

The utility model discloses technical scheme's further improvement lies in: the corner of handle is the arc setting.

The utility model discloses technical scheme's further improvement lies in: the support rod is connected with the nut buckle through threads and is reverse threads.

The utility model discloses technical scheme's further improvement lies in: the supporting rod is connected with the nut buckle through a dovetail mortise-tenon structure, the side face of the supporting rod is fixed through a pin shaft, and a dovetail groove is formed in the nut buckle.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

the utility model has simple structure, the bolt hoisting part can hoist the bolt and pass through the reinforced concrete beam, only one person needs to operate on the reinforced concrete beam, and another person does not need to stand in the suspension cage to pass through the bolt, thereby improving the operation safety; the crown block does not need to move along, so that energy is saved; meanwhile, the nut rotating part can be used for dismounting and fastening the nut in a standing mode, so that the operation on the reinforced concrete beam is more convenient, and the force is easier to apply; in addition, the nut buckle is detachably arranged on the supporting rod, so that the nut buckle can adapt to nuts of different models, and the adaptability is wider.

Drawings

FIG. 1 is a schematic structural view of a bolt hoisting component of the present invention;

FIG. 2 is a schematic structural view of a nut rotating part of the present invention;

fig. 3 is a schematic structural view of the nut buckle of the present invention;

fig. 4 is a schematic view of the nut clip and the support rod of the present invention;

fig. 5 is a schematic structural view of the suspension ring of the present invention mounted on the bolt;

the device comprises a handle, a support rod, a nut buckle, a lifting ring, a small hook, a flexible rope, a large hook, a handle, a support rod, a nut buckle and a lifting ring, wherein the small hook is 1, the flexible rope is 2, the large hook is 3, the handle is 4, the support rod is 5, the nut buckle is 6, and the lifting ring is 7.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

the utility model provides a change instrument of overhead traveling crane track clamp plate bolt, simple structure hangs the part including the bolt, nut runner and sets up in rings 7 of the screw rod tip of bolt. The lifting ring 7 is arranged in the middle of the end of the screw, the outer diameter of the lifting ring is smaller than the diameter of the screw, and the screw can pass through a bolt hole in the reinforced concrete beam without obstruction, as shown in fig. 5.

As shown in fig. 1, the bolt hoisting component comprises a small hook 1 and a large hook 3 which can hoist a hoisting ring 7, and the non-hook ends of the small hook 1 and the large hook 3 are connected through a flexible rope 2; the small hooks 1 can penetrate through bolt holes in the reinforced concrete beam, and the large hooks 3 cannot penetrate through the bolt holes, so that the bolt hoisting part cannot fall out of the bolt holes due to errors in operation.

The bolt hoisting component can hoist the bolt and penetrate through the reinforced concrete beam, only one person needs to operate on the reinforced concrete beam, and another person does not need to stand in the suspension cage to penetrate the bolt, so that the operation safety is improved; and an overhead traveling crane is not required to move along, so that energy is saved.

As shown in fig. 2 and 3, the nut rotating part includes a support rod 5, a handle 4 disposed in a U shape is fixedly disposed at one end of the support rod 5, two ends of the handle 4 are disposed upward for holding the end, so that manual force is applied to the operation, and corners of the handle 4 are disposed in an arc shape. The other end detachable of bracing piece 5 is provided with nut buckle 6, the surface of nut buckle 6 is cylindrically and the tip is opened has the hexagonal hole that just in time blocked the nut. The nut rotating part can enable an operator to stand to disassemble and fasten the nut, so that the nut rotating part is more convenient to operate on the reinforced concrete beam and is easier to apply force.

The detachable mode of the support rod 5 and the nut buckle 6 has two types, one is: the support rod 5 is connected with the nut buckle 6 through threads and is reverse threads. Another is shown in fig. 4: the support rod 5 is connected with the nut buckle 6 through a dovetail mortise-tenon structure, the side face of the support rod is fixed through a pin shaft, and a dovetail groove is formed in the nut buckle 6. The nut buckle 6 is detachably arranged on the support rod 5 and can adapt to nuts of different models, and the adaptability is wider.

The using method comprises the following steps:

one person stands on the reinforced concrete beam, the nut is screwed off by using the nut rotating part, the small hook 1 of the bolt hoisting part is used for hooking the hanging ring 7, the bolt is hoisted from the bolt hole, meanwhile, the hanging ring 7 of a new bolt is hooked, the new bolt penetrates through the bolt hole from the bottom of the reinforced concrete beam, the gasket is placed, the nut is screwed on the bolt, and then the nut is screwed down by using the nut rotating part, so that the bolt replacing effect can be completed.

Claims

1. The utility model provides a change instrument of overhead traveling crane track clamp plate bolt which characterized in that: comprises a bolt hoisting component, a nut rotating component and a hoisting ring (7) arranged at the end part of a bolt; the lifting ring (7) is arranged in the middle of the end part of the screw rod, and the outer diameter of the lifting ring is smaller than the diameter of the screw rod; the bolt hoisting part comprises a small hook (1) and a large hook (3), wherein the small hook (1) can hook a hoisting ring (7) and can penetrate through a bolt hole in the reinforced concrete beam, and the large hook (3) cannot penetrate through the bolt hole, and the non-hook ends of the small hook (1) and the large hook (3) are connected through a flexible rope (2); the nut rotating part comprises a supporting rod (5), a handle (4) which is U-shaped and is arranged is fixedly arranged at one end of the supporting rod (5), a nut buckle (6) is detachably arranged at the other end of the supporting rod, and a hexagonal hole which is right in time for clamping the nut is formed in the other end of the nut buckle (6).

2. The tool of claim 1 for replacing a crown block rail clamp bolt, comprising: the outer surface of the nut buckle (6) is cylindrical.

3. The tool of claim 1 for replacing a crown block rail clamp bolt, comprising: the support rod (5) is fixedly arranged in the middle of the handle (4).

4. The tool of claim 3, wherein the tool comprises: the corners of the handle (4) are arc-shaped.

5. The tool of claim 1 for replacing a crown block rail clamp bolt, comprising: the support rod (5) is connected with the nut buckle (6) through threads and is reverse threads.

6. The tool of claim 1 for replacing a crown block rail clamp bolt, comprising: the supporting rod (5) is connected with the nut buckle (6) through a dovetail mortise-tenon structure, the side face of the supporting rod is fixed through a pin shaft, and a dovetail groove is formed in the nut buckle (6).