CN219131387U

CN219131387U - Auxiliary device is dismantled to axial-flow type air cooling fan belt pulley

Info

Publication number: CN219131387U
Application number: CN202223386084.6U
Authority: CN
Inventors: 朱惠民; 王全威
Original assignee: Guangdong Maohuajian Group Co ltd
Current assignee: Guangdong Maohuajian Group Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to an auxiliary device for disassembling belt pulleys of an axial-flow air-cooled fan, which comprises a workbench, a supporting table, a clamping mechanism and a lifting plate; the workbench connected with the first lifting mechanism through the lifting plate is provided with a supporting table, so that the supporting table can be abutted against the lower end face of the belt pulley through the first lifting mechanism, the disassembled belt pulley can directly descend on the supporting table through the first lifting mechanism to leave the fan, a worker is replaced by hanging the belt pulley through a chain block, the labor intensity of the worker is reduced, and the worker is prevented from entering the fan and being influenced by high temperature; be equipped with fixture on the brace table for fixture carries out the centre gripping to the belt pulley, avoids the belt pulley to follow the potential safety hazard that the brace table was directly dropped to ground when the brace table reciprocated.

Description

Auxiliary device is dismantled to axial-flow type air cooling fan belt pulley

Technical Field

The utility model relates to the technical field of fan maintenance, in particular to an auxiliary device for disassembling an axial-flow type air cooling fan belt pulley.

Background

When the axial-flow air cooling fan is overhauled, the belt pulley is required to be disassembled, the belt pulley is relatively high in distance from the ground, a worker cannot normally stand on the ground to disassemble the belt pulley, the belt pulley is relatively heavy and generally has about 60kg, the worker enters the air cooling fan (the temperature is 65 ℃), 2 chain links are hung after a hanging point is determined, the belt pulley is hung by the chain links, then the fastening bolt of the belt pulley is disassembled, and then the belt pulley is slowly put on the ground for maintenance by hand pulling the chain links; in the operation process, the staff is not only influenced by the high temperature in the fan, but also the hanging belt pulley and the buffer belt pulley increase the labor intensity of the staff, and the working efficiency is low.

Disclosure of Invention

In order to solve the problems, the utility model provides an axial-flow type air cooling fan belt pulley disassembly auxiliary device.

In order to achieve the above object, the present utility model is realized by the following technical scheme:

the utility model provides an auxiliary device is dismantled to axial-flow air cooling fan belt pulley, includes the workstation, be equipped with the brace table fixed through the bracing piece on the workstation, the middle part of brace table is equipped with the operation hole, the side of brace table is equipped with fixture, the workstation is installed on the lifter plate, the lower terminal surface and the first elevating system of lifter plate are connected, just be located on the lifter plate the side of workstation is equipped with the elevating platform of being connected with second elevating system.

Further, the clamping mechanism comprises a plurality of first air cylinders arranged on the lower end face of the supporting table and 7-shaped plates connected with the first air cylinders.

Still further, there are at least 3 of each of the first cylinder and the 7-plate.

Furthermore, guardrails are arranged around the lifting plate.

Further, the first lifting mechanism comprises a movable seat and a four-bar lifting structure, the lower end face of the movable seat is provided with a movable wheel, the upper end face of the movable wheel is connected with the lower end of the four-bar lifting structure, and the lower end face of the lifting plate is connected with the upper end of the four-bar lifting structure.

Further, the second lifting mechanism comprises a second air cylinder, wherein the second air cylinder is vertically arranged, and an operation rod of the second air cylinder is fixedly connected with the lifting table.

Furthermore, the lifting table is provided with a backrest plate.

Further, a storage box is arranged on the upper end face of the workbench, and the support rod is fixedly connected to the upper end face of the storage box.

Further, the size of the supporting table is consistent with the size of the belt pulley.

Further, the lifting plate is provided with an annular rail, and the second lifting mechanism is in sliding connection with the annular rail.

The beneficial effects of the utility model are as follows: the workbench connected with the first lifting mechanism through the lifting plate is provided with a supporting table, so that the supporting table can be abutted against the lower end face of the belt pulley through the first lifting mechanism, the disassembled belt pulley can directly descend on the supporting table through the first lifting mechanism to leave the fan, a worker is replaced by hanging the belt pulley through a chain block, the labor intensity of the worker is reduced, and the worker is prevented from entering the fan and being influenced by high temperature; the middle part of the supporting table is provided with an operation hole, the lifting plate is provided with a lifting table, and a worker can approach to the fastening bolt of the belt pulley for operation Kong Cakai through the lifting table, so that the belt pulley falls on the supporting table, and the operation is simple and convenient; be equipped with fixture on the brace table for fixture carries out the centre gripping to the belt pulley, avoids the belt pulley to follow the potential safety hazard that the brace table was directly dropped to ground when the brace table reciprocated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic connection diagram of the support table in the present utility model.

In the figure: 1. a lifting plate; 2. a work table; 3. a support table; 4. a support rod; 5. a first cylinder; 6. 7-shaped plates; 7. guard bars; 8. a lifting table; 9. a backboard; 10. a second cylinder; 11. a four-bar linkage lifting structure; 12. a movable seat; 13. an operation hole; 14. and storing the box.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.

As shown in fig. 1 and 2, an auxiliary device for disassembling an axial-flow type air cooling fan belt pulley comprises a workbench 2, wherein a supporting table 3 fixed through a supporting rod 4 is arranged on the workbench 2, an operation hole 13 is formed in the middle of the supporting table 3, a clamping mechanism is arranged at the side end of the supporting table 3, the workbench 2 is arranged on a lifting plate 1, the lower end face of the lifting plate 1 is connected with a first lifting mechanism, and a lifting table 8 connected with a second lifting mechanism is arranged on the lifting plate 1 and positioned at the side of the workbench 2; therefore, the supporting table 3 is arranged on the workbench 2 connected with the first lifting mechanism through the lifting plate 1, so that the supporting table 3 can be abutted against the lower end face of the belt pulley through the first lifting mechanism, and the disassembled belt pulley can directly descend on the supporting table 3 to leave the fan through the first lifting mechanism, so that the belt pulley is hung by a chain block for replacing a worker, the labor intensity of the worker is reduced, and the problem that the worker enters the fan to be influenced by high temperature is avoided; the middle part of the supporting table 3 is provided with an operation hole 13, the lifting plate 1 is provided with a lifting table 8, and a worker can detach the fastening bolt of the belt pulley through the lifting table 8 close to the operation hole 13, so that the belt pulley falls on the supporting table 3, and the operation is simple and convenient; be equipped with fixture on supporting bench 3 for fixture carries out the centre gripping to the belt pulley, avoids the belt pulley to follow the potential safety hazard that directly falls to ground from supporting bench 3 when supporting bench 3 reciprocates.

Specifically, the clamping mechanism comprises a plurality of first air cylinders 5 arranged on the lower end surface of the supporting table 3 and 7-shaped plates 6 connected with the first air cylinders 5, and the first air cylinders 5 drive the 7-shaped plates 6 to clamp or loosen the belt pulleys placed on the supporting table 3, so that the belt pulleys are prevented from shaking and falling from the supporting table 3; the number of the first air cylinders 5 and the 7-shaped plates 6 is at least 3, and in the embodiment, 3 or 4 7-shaped plates 6 are equally distributed around the supporting table 3; guard rails 7 are arranged around the lifting plate 1, so that workers standing on the lifting plate 1 are prevented from falling off the lifting plate 1, and potential safety hazards of the workers in operation are eliminated; the first lifting mechanism comprises a movable seat 12 and a four-bar lifting structure 11, wherein the four-bar lifting structure 11 is in the prior art, the lower end surface of the movable seat 12 is provided with a movable wheel, the movable wheel is provided with a locking structure, the movable wheel can be locked when the movable wheel does not move, the whole device is prevented from moving, the upper end surface of the movable wheel is connected with the lower end of the four-bar lifting structure 11 in the prior art, the lower end surface of the lifting plate 1 is connected with the upper end of the four-bar lifting structure 11, namely, before operation, the supporting table 3 is moved to the position right below a belt pulley through the movable seat 12, then the supporting table 3 is abutted against the lower end surface of the belt pulley through the four-bar lifting structure 11, and finally the belt pulley is detached; the second lifting mechanism comprises a second air cylinder 10, the second air cylinder 10 is vertically arranged, an operation rod of the second air cylinder 10 is fixedly connected with the lifting table 8, namely, after the belt pulley is detached and descends to leave the fan, a worker stands on the lifting table 8, and the second air cylinder 10 drives the lifting table 8 to ascend, so that the worker can repair the belt pulley, and the trouble that the belt pulley is placed on the ground to start repair is avoided; the lifting plate 1 is provided with an annular track, the second lifting mechanism is in sliding connection with the annular track, namely the lifting table 8 can rotate around the supporting table 3 on the annular track, so that all parts of the belt pulley are convenient to maintain; more preferably, the lifting table 8 is provided with the backboard 9, so that a worker standing on the lifting table 8 can hold the backboard 9 or lean against the backboard 9 when moving up and down, and the worker is prevented from falling from the lifting table 8, and is given a sense of safety; the size of the supporting table 3 is consistent with that of the belt pulley, so that the belt pulley corresponds to the supporting table 3, and the operation hole 13 of the supporting table 3 also corresponds to the position of the fastening bolt of the belt pulley, thereby being convenient to operate; preferably, the upper end surface of the workbench 2 is provided with a storage box 14, the upper end surface of the storage box 14 is fixedly connected with a supporting rod 4, namely, the supporting table 3 is arranged above the storage box 14, the storage box 14 can store tools for maintaining fans, the storage box 14 can be a cabinet or a drawer, and the tools taken out from the storage box 14 can be placed on the workbench 2 to facilitate the taking work of workers.

The working principle of the utility model is as follows:

as shown in fig. 1-2, before the operation, the supporting table 3 is moved to the position right below the belt pulley through the moving seat 12, then a worker stands on the lifting plate 1, then the lifting plate 1 is lifted through the four-bar lifting structure 11 and the supporting table 3 is abutted against the lower end face of the belt pulley, then the first cylinder 5 is started to drive the 7-shaped plate 6 to clamp the belt pulley or clamp the supporting table 3 to form a surrounding of the upper end face of the supporting table 3, then the worker takes out a tool from the storage box 14 and lifts to a certain height through the lifting table 8, then the fastening bolt of the belt pulley is disassembled through the operation hole 13, so that the belt pulley falls on the supporting table 3, then the four-bar lifting structure 11 drives the supporting table 3 and the belt pulley to descend, so that the belt pulley leaves the fan, after the belt pulley reaches a certain height, the four-bar lifting structure 11 stops the operation, then the lifting table 8 drives the worker standing on the lifting table and stops the lifting at a certain height, then the worker can maintain the belt pulley, and when other parts of the belt pulley need to be maintained, the belt pulley rotates and positions around the second belt pulley through the control motor, and the belt pulley is positioned to the corresponding parts are maintained by the control of the driving motor; after the belt pulley is maintained, the lifting platform 8 descends, the four-bar linkage lifting structure 11 ascends and enables the belt pulley to lean against the original position of the fan, then the lifting platform 8 ascends to drive a worker to reach a certain height, the belt pulley is fastened through the fastening bolts through the operation holes 13, and finally the disassembly, maintenance, installation and the like of the belt pulley are completed.

Although the present utility model has been described in terms of the preferred embodiments, it should be understood that the present utility model is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides an auxiliary device is dismantled to axial-flow type air cooling fan belt pulley, its characterized in that, includes the workstation, be equipped with the brace table fixed through the bracing piece on the workstation, the middle part of brace table is equipped with the operation hole, the side of brace table is equipped with fixture, the workstation is installed on the lifter plate, the lower terminal surface and the first elevating system of lifter plate are connected, just be located on the lifter plate the side of workstation is equipped with the lifter plate of being connected with second elevating system.

2. The disassembly assisting device for the pulley of the axial-flow air-cooled fan according to claim 1, wherein the clamping mechanism comprises a plurality of first cylinders mounted on the lower end face of the supporting table, and a 7-shaped plate connected with the first cylinders.

3. The axial-flow air-cooled fan pulley disassembly assistance device of claim 2, wherein the first cylinder and the 7-shaped plate are each at least 3.

4. The axial-flow air-cooled fan pulley disassembly auxiliary device according to claim 1, wherein guardrails are arranged around the lifting plate.

5. The disassembly assisting device for the belt pulley of the axial-flow air-cooled fan according to claim 1, wherein the first lifting mechanism comprises a movable seat and a four-bar lifting structure, a movable wheel is arranged on the lower end face of the movable seat, the upper end face of the movable wheel is connected with the lower end of the four-bar lifting structure, and the lower end face of the lifting plate is connected with the upper end of the four-bar lifting structure.

6. The axial-flow air-cooled fan pulley disassembly auxiliary device according to claim 1, wherein the second lifting mechanism comprises a second cylinder which is vertically arranged and of which a working rod is fixedly connected with the lifting table.

7. The axial-flow air-cooled fan pulley disassembly auxiliary device according to claim 1, wherein a backboard is arranged on the lifting platform.

8. The auxiliary device for disassembling an axial-flow air-cooled fan belt pulley according to claim 1, wherein a storage box is arranged on the upper end face of the workbench, and the support rod is fixedly connected to the upper end face of the storage box.

9. The axial-flow air-cooled fan pulley disassembly assist device as recited in claim 1, wherein the support table is sized to conform to the pulley size.

10. The axial-flow air-cooled fan pulley disassembly auxiliary device according to claim 1, wherein the lifting plate is provided with an annular rail, and the second lifting mechanism is slidably connected with the annular rail.