CN213999277U

CN213999277U - Wrench for overhauling high-voltage electric box in subway workshop

Info

Publication number: CN213999277U
Application number: CN202022455362.3U
Authority: CN
Inventors: 张浩然; 胡银全; 张丽莉
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-20
Anticipated expiration: 2030-10-29

Abstract

The utility model belongs to the technical field of maintenance wrenches, in particular to a wrench for overhauling a high-voltage electric box in a subway workshop, aiming at the problem that the existing wrench can only correspond to bolts or nuts with one specification, a large number of wrenches with different models are required to be carried in work, and the problem of inconvenience in work is solved, the wrench comprises a handle, a lifting hole is arranged on the handle, one end of the handle is fixedly connected with a lantern ring, a ring groove is arranged on the inner wall of the lantern ring, an inner ring is arranged in the ring groove, six slide cylinders are fixedly connected on the inner wall of the inner ring, slide rods are sleeved in the slide cylinders, the same clamping block is fixedly connected on the corresponding two slide rods, a slide groove is arranged on the clamping block, and a spring is fixedly connected on the inner wall of the slide groove, the wrench can push a limiting block to slide in the slide groove by matching a thread cylinder and a screw rod, and push the clamping block to slide inwards, the three clamping blocks are matched with each other to clamp the bolt, so that the use is convenient.

Description

Wrench for overhauling high-voltage electric box in subway workshop

Technical Field

The utility model relates to an overhaul spanner technical field, especially relate to a be used for subway workshop high-voltage electric box to overhaul and use spanner.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle. The wrench is typically made of structural steel of carbon or alloy material. In the process of repairing the high-voltage electrical box, bolts or nuts on equipment are often required to be fastened, and bolts or nuts of different types are usually installed on power equipment.

The existing wrench can only correspond to a bolt or a nut of one specification, a large number of wrenches of different models need to be carried in work, the work is very inconvenient, application number 201721680213.9 discloses a screw wrench for electric power overhaul, which comprises a Y-shaped handle, a rotating block and a fixed rod, wherein the rotating block comprises a rotating block main body, a fixed column and an inserting column, the fixed column is provided with two surfaces which are symmetrically welded on the rotating body, the inserting column is provided with four surfaces which are symmetrically welded on the side surface of the rotating block main body, the fixed rod comprises a main rod and an end socket, the end socket is fixedly arranged at one end of the main rod, the fixed column is rotatably inserted at the top end of a support of the Y-shaped handle and is fixedly connected with the fixed column on the rotating block through a screw, a nut sleeve is inserted on the inserting column, the operation is complex, and the time is wasted in work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing wrench can only correspond to the bolt or the nut of a specification, and the wrench of a large amount of different models needs to be carried in work, the very inconvenient shortcoming of during operation, and the wrench for overhauling the high-voltage electric box in the subway workshop is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a be used for subway workshop high-voltage electric box to overhaul and use spanner, the electric iron comprises a handle, the lewis hole has been seted up on the handle, the one end fixedly connected with lantern ring of handle, the ring channel has been seted up on the inner wall of lantern ring, the ring channel internal rotation is provided with built-in ring, six slide cartridge of fixedly connected with on the inner wall of built-in ring, slide cartridge sliding sleeve is equipped with the slide bar, the same clamp splice of fixedly connected with on two slide bars that correspond, the spout has been seted up on the clamp splice, fixedly connected with spring on the inner wall of spout, the one end fixedly connected with stopper of spring, stopper sliding connection is in the spout, one side fixedly connected with screw rod of stopper, the thread connection cover is equipped with a screw thread section of thick bamboo on the screw rod.

Preferably, the built-in ring is internally and rotatably provided with three first rolling shafts, the first rolling shafts and the threaded cylinders are alternately and rotatably connected to the built-in ring, the first rolling shafts and the threaded cylinders are fixedly sleeved with first bevel gears, the first bevel gears are engaged with second bevel gears, and the same second rolling shaft is fixedly connected between the two corresponding second bevel gears.

Preferably, a first motor is fixedly connected to the top end of one of the three first rollers, and the first motor is fixedly connected to the built-in ring.

Preferably, the built-in ring is fixedly sleeved with an annular rack, the annular rack is engaged with a gear, the gear is fixedly sleeved with a third roller, and the third roller is rotatably connected in the handle.

Preferably, a third bevel gear is fixedly sleeved on the third rolling shaft and is meshed with a fourth bevel gear.

Preferably, one side of the fourth bevel gear is fixedly connected with a fourth rolling shaft, one end of the fourth rolling shaft is fixedly connected with a second motor, and the second motor is fixedly connected in the handle.

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

1. this scheme can rotate first roller bearing through first motor, first bevel gear through on the first roller bearing can rotate second bevel gear and second roller bearing, and then can rotate another second bevel gear on the second roller bearing in step, make first bevel gear on the screw section of thick bamboo together rotate, and then can rotate a plurality of screw section of thick bamboos and first roller bearing in step, cooperate through the screw section of thick bamboo and the screw rod and can promote the stopper and slide in the spout, the clamp splice is under the connection of slide section of thick bamboo and slide rod, will be promoted to the inboard by the stopper, and then cooperate alright with carrying out the clamping to the bolt through three clamp splice, high durability and convenient use.

2. This scheme can rotate the fourth roller bearing through the second motor, and third bevel gear, third roller bearing and gear can be rotated to the fourth bevel gear on the fourth roller bearing, cooperate through gear and annular rack, can promote built-in ring at the ring channel internal rotation to bolt about convenient.

Drawings

Fig. 1 is a schematic structural view of a top view section of a wrench for overhauling a high-voltage electric box in a subway workshop, which is provided by the utility model;

fig. 2 is a schematic structural view of a side view section of the wrench for overhauling the high-voltage electric box in the subway workshop according to the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1 of a wrench for overhauling a high-voltage electric box in a subway workshop, according to the present invention;

fig. 4 is the utility model provides a structural schematic diagram that is arranged in subway workshop high voltage electrical box to overhaul with spanner B part in fig. 1.

In the figure: the device comprises a handle 1, a hanging hole 2, a lantern ring 3, an annular groove 4, a built-in ring 5, a sliding cylinder 6, a sliding rod 7, a clamping block 8, a sliding groove 9, a spring 10, a limiting block 11, a screw rod 12, a threaded cylinder 13, a first roller 14, a first bevel gear 15, a second bevel gear 16, a second roller 17, a first motor 18, an annular rack 19, a gear 20, a third roller 21, a third bevel gear 22, a fourth bevel gear 23, a fourth roller 24 and a second motor 25.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a wrench for overhauling a high-voltage electric box in a subway workshop comprises a handle 1, a lifting hole 2 is arranged on the handle 1, a lantern ring 3 is fixedly connected to one end of the handle 1, an annular groove 4 is arranged on the inner wall of the lantern ring 3, an internal ring 5 is rotatably arranged in the annular groove 4, six sliding cylinders 6 are fixedly connected to the inner wall of the internal ring 5, sliding rods 7 are slidably sleeved in the sliding cylinders 6, the two corresponding slide bars 7 are fixedly connected with the same clamping block 8, the clamping block 8 is provided with a sliding groove 9, the inner wall of the sliding groove 9 is fixedly connected with a spring 10, one end of the spring 10 is fixedly connected with a limiting block 11, the limiting block 11 is connected in the sliding groove 9 in a sliding way, one side of the limiting block 11 is fixedly connected with a screw 12, a thread connecting sleeve on the screw 12 is provided with a thread cylinder 13, through the arrangement of the threaded cylinder 13 and the screw 12, the limiting block 11 can be pushed to slide in the sliding groove 9.

In this embodiment, three first rollers 14 are rotatably disposed in the built-in ring 5, the first rollers 14 and the threaded cylinders 13 are alternately rotatably connected to the built-in ring 5, the first bevel gears 15 are fixedly sleeved on the first rollers 14 and the threaded cylinders 13, the first bevel gears 15 are engaged with second bevel gears 16, the same second roller 17 is fixedly connected between the two corresponding second bevel gears 16, and the second bevel gears 16 at the two ends can be synchronously rotated by disposing the second rollers 17.

In this embodiment, a first motor 18 is fixedly connected to a top end of one first roller 14 of the three first rollers 14, the first motor 18 is fixedly connected to the inner ring 5, and the first roller 14 can be rotated by the first motor 18.

In this embodiment, the built-in ring 5 is fixedly sleeved with an annular rack 19, the annular rack 19 is engaged with a gear 20, the gear 20 is fixedly sleeved with a third roller 21, the third roller 21 is rotatably connected in the handle 1, and the annular rack 19 can be rotated by the gear 20.

In this embodiment, the third roller 21 is fixedly sleeved with a third bevel gear 22, the third bevel gear 22 is engaged with a fourth bevel gear 23, and the third bevel gear 22 and the third roller 21 can be rotated by the fourth bevel gear 23.

In this embodiment, one side of the fourth bevel gear 23 is fixedly connected with a fourth roller 24, one end of the fourth roller 24 is fixedly connected with a second motor 25, the second motor 25 is fixedly connected in the handle 1, and the fourth roller 24 can be rotated by arranging the second motor 25.

Example two

Referring to fig. 1-4, a wrench for overhauling a high-voltage electric box in a subway workshop comprises a handle 1, a lifting hole 2 is arranged on the handle 1, a lantern ring 3 is fixedly welded at one end of the handle 1, an annular groove 4 is arranged on the inner wall of the lantern ring 3, an internal ring 5 is rotatably arranged in the annular groove 4, six sliding cylinders 6 are fixedly welded on the inner wall of the internal ring 5, sliding rods 7 are slidably sleeved in the sliding cylinders 6, the same clamping block 8 is fixedly welded on the two corresponding sliding rods 7, a sliding groove 9 is arranged on the clamping block 8, a spring 10 is fixedly welded on the inner wall of the sliding groove 9, a limiting block 11 is fixedly welded at one end of the spring 10, the limiting block 11 is slidably connected in the sliding groove 9, a screw rod 12 is fixedly welded on one side of the limiting block 11, a threaded cylinder 13 is connected on the screw rod 12 in a threaded connection manner, through the arrangement of the threaded cylinder 13 and the screw 12, the limiting block 11 can be pushed to slide in the sliding groove 9.

In this embodiment, three first rollers 14 are rotatably disposed in the built-in ring 5, the first rollers 14 and the threaded cylinders 13 are alternately rotatably connected to the built-in ring 5, the first bevel gears 15 are fixedly sleeved on the first rollers 14 and the threaded cylinders 13, the first bevel gears 15 are engaged with second bevel gears 16, the same second roller 17 is fixedly welded between the two corresponding second bevel gears 16, and the second bevel gears 16 at the two ends can be synchronously rotated by disposing the second rollers 17.

In this embodiment, a first motor 18 is fixedly welded to the top end of one first roller 14 of the three first rollers 14, the first motor 18 is fixedly connected to the inner ring 5 through a screw, and the first roller 14 can be rotated by arranging the first motor 18.

In this embodiment, a fourth roller 24 is fixedly welded to one side of the fourth bevel gear 23, a second motor 25 is fixedly welded to one end of the fourth roller 24, the second motor 25 is fixedly connected to the inside of the handle 1 through a screw, and the fourth roller 24 can be rotated by the second motor 25.

In this embodiment, the first motor 18 can rotate the first roller 14, the second bevel gear 16 and the second roller 17 can be rotated by the first bevel gear 15 on the first roller 14, and then the other second bevel gear 16 on the second roller 17 can be synchronously rotated, so that the first bevel gear 15 on the threaded cylinder 13 rotates together, and then the plurality of threaded cylinders 13 and the first roller 14 can be synchronously rotated, the threaded cylinder 13 can be matched with the screw 12 to push the stopper 11 to slide in the chute 9, the clamp block 8 is pushed inwards by the stopper 11 under the connection between the sliding cylinder 6 and the sliding rod 7, and then the three clamp blocks 8 are matched to clamp the bolt, so that the use is convenient, the fourth roller 24 can be rotated by the second motor 25, the third bevel gear 22, the third roller 21 and the gear 20 can be rotated by the fourth bevel gear 23 on the fourth roller 24, the gear 20 is matched with the annular rack 19, so that the built-in ring 5 can be pushed to rotate in the annular groove 4, and the bolt can be conveniently lifted up and down.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A wrench for overhauling a high-voltage electric box in a subway workshop comprises a handle (1) and is characterized in that a lifting hole (2) is formed in the handle (1), a lantern ring (3) is fixedly connected to one end of the handle (1), a ring groove (4) is formed in the inner wall of the lantern ring (3), a built-in ring (5) is arranged in the ring groove (4) in a rotating mode, six sliding cylinders (6) are fixedly connected to the inner wall of the built-in ring (5), sliding rods (7) are sleeved in the sliding cylinders (6) in a sliding mode, the same clamping block (8) is fixedly connected to the two corresponding sliding rods (7), a sliding groove (9) is formed in the clamping block (8), a spring (10) is fixedly connected to the inner wall of the sliding groove (9), a limiting block (11) is fixedly connected to one end of the spring (10), the limiting block (11) is slidably connected to the sliding groove, the screw rod (12) is connected with a screw thread cylinder (13) in a threaded manner.

2. The wrench for overhauling the high-voltage electric box in the subway workshop as claimed in claim 1, wherein three first rollers (14) are rotatably arranged in the built-in ring (5), the first rollers (14) and the threaded cylinders (13) are alternately and rotatably connected to the built-in ring (5), the first bevel gears (15) are fixedly sleeved on the first rollers (14) and the threaded cylinders (13), the first bevel gears (15) are provided with the second bevel gears (16) in a meshed manner, and the same second roller (17) is fixedly connected between the two corresponding second bevel gears (16).

3. The wrench for overhauling the high-voltage electric box in the subway workshop as claimed in claim 2, wherein the top end of one first roller (14) of the three first rollers (14) is fixedly connected with the first motor (18), and the first motor (18) is fixedly connected with the built-in ring (5).

4. The wrench for overhauling the high-voltage electric box in the subway workshop as claimed in claim 1, wherein the built-in ring (5) is fixedly sleeved with an annular rack (19), the annular rack (19) is engaged with a gear (20), the gear (20) is fixedly sleeved with a third roller (21), and the third roller (21) is rotatably connected in the handle (1).

5. The wrench for overhauling the high-voltage electric box in the subway workshop as claimed in claim 4, wherein a third bevel gear (22) is fixedly sleeved on the third roller (21), and a fourth bevel gear (23) is engaged with the third bevel gear (22).

6. The wrench for overhauling the high-voltage electric box in the subway workshop as claimed in claim 5, wherein a fourth roller (24) is fixedly connected to one side of the fourth bevel gear (23), a second motor (25) is fixedly connected to one end of the fourth roller (24), and the second motor (25) is fixedly connected in the handle (1).