CN216272976U - Maintenance hoisting-free device for heavy-load chain type lifter - Google Patents
Maintenance hoisting-free device for heavy-load chain type lifter Download PDFInfo
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- CN216272976U CN216272976U CN202122067341.9U CN202122067341U CN216272976U CN 216272976 U CN216272976 U CN 216272976U CN 202122067341 U CN202122067341 U CN 202122067341U CN 216272976 U CN216272976 U CN 216272976U
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- chain
- fixing tool
- elevator
- lift
- balancing weight
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Abstract
The utility model discloses a maintenance hoisting-free device for a heavy-duty chain type elevator, which comprises a tray fixing tool and a balancing weight fixing tool, wherein the tray fixing tool is arranged on a guide rail upright post of the elevator and is used for supporting and fixing a tray of the elevator, one end of the balancing weight fixing tool is used for being inserted on a chain roller of the elevator to clamp a chain, and the other end of the balancing weight fixing tool is used for applying force downwards and fixing to fix the position of the balancing weight of the elevator. This hoist device is exempted from in maintenance need not to support the balancing weight at specific maintenance position, also need not to use the hoist fixed elevator tray, can carry out maintenance operation in optional position, eliminates simultaneously that there is the potential safety hazard that the high altitude falls in the hoist and mount of operation personnel.
Description
Technical Field
The utility model relates to the technical field of hoisting operation, in particular to a maintenance hoisting-free device for a heavy-load chain type lifter.
Background
In the field of automobile manufacturing, the use of lifting and carrying equipment is indispensable, and generally, an elevator is required to carry and transport assembly parts such as a car body, wherein a heavy-duty chain type elevator is widely used due to the advantages of simple and stable structure, wide selectable stroke range, low cost and the like. Heavy load chain elevator utilizes the converter to control the motor motion usually, through the reducing gear box, with power transmission to sprocket shaft and sprocket on, chain cooperation sprocket drive, the balancing weight is connected to chain one end, and the tray is born in the other end connection, realizes the rising decline of tray through the motor just reversing. In the important part maintenance process of heavy load chain elevator, for guaranteeing maintenance operation safety, must hoist and mount, fix elevator tray, balancing weight, operate the elevator to specific position usually, use jack or safe bolt fixed balancing weight, reuse the taut tray of hand block, release chain and motor effort. But in the process of tensioning the tray by using the hoist, a plurality of persons need to work aloft in a coordinated manner, so that great danger exists, and the efficiency is low. For example, chinese patent No. CN211071111U, publication No. 2020.7.24: the utility model provides a cleaning machine throws moves device, the hoist and mount principle that the device used is the same with heavy load chain lift, all hoists through sprocket drive chain with the motor, when the maintenance, needs hoist, fix bracket, balancing weight and maintain, uses the taut bracket of fixed balancing weight of jack or manpower, and the in-process needs many people high altitude construction in coordination, has very big danger, and efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model provides a maintenance hoisting-free device for a heavy-duty chain type elevator, aiming at solving the problem that the important parts of the heavy-duty chain type elevator need to be hoisted when being maintained and replaced, and the maintenance hoisting-free device does not need to support a balancing weight at a specific maintenance position, does not need to use a hoist to fix an elevator tray, can carry out maintenance operation at any position, and simultaneously eliminates the potential safety hazard of high-altitude falling caused by high-altitude hoisting of operating personnel.
The technical scheme of the utility model is as follows:
the utility model provides a hoist device is exempted from in maintenance for heavily loaded chain lift, includes tray fixing tool and balancing weight fixing tool, tray fixing tool installs and is used for carrying out the bearing fixed to the tray of lift on the guide rail stand of lift, balancing weight fixing tool's one end is used for pegging graft on the chain roller of lift with the chain chucking, and the other end is power and fixed downwards to the balancing weight position that makes the lift is fixed.
The tray fixing tool and the balancing weight fixing tool can be used for conveniently fixing the tray and the balancing weight of the elevator, the requirement that the balancing weight and the tray can be fixed at any position is met, the operation mode of hoisting by using a hoist is cancelled, and the purposes of stable installation, simple operation, safety and convenience and avoidance of the safety risk of overhead operation during hoisting are achieved.
Further, the tray fixing tool comprises a jack and a base, the jack is installed on the base, and the base is fixedly installed on a guide rail upright of the elevator.
The jack passes through the pedestal mounting on the guide rail stand of lift, can stabilize the bearing to the tray, avoids high altitude hoist and mount operation, improves the security.
Further, the total lifting capacity of the jack is not less than twice the pallet weight of the lift.
The jack is selected according to the weight of the tray, and the total lifting capacity of the jack is required to be not less than twice of the weight of the tray.
Furthermore, the base is composed of two mounting plates and a top plate in a welded mode, and the top plate is fixed to the tops of the two mounting plates and used for mounting the jack.
And furthermore, one side of each of the two mounting plates is provided with a square groove for being matched and mounted with a mounting block on a guide rail upright post of the elevator and being fastened through bolts.
The square groove that the mounting panel was seted up, during the use with the installation piece cooperation on the guide rail stand of lift, simultaneously the mounting bolt locks, makes the base firmly install on the guide rail stand of lift.
Furthermore, the mounting plate is provided with a through hole. The mounting plate can dig the hole on non-atress position, reaches the purpose of instrument lightweight.
Furthermore, the mounting panel is the right angle set square, and one side on the right-angle side is installed on the guide rail stand of lift. The mounting plate of right triangle forms the bracing, strengthens the holding power of base, makes the jack on the base more stable when bearing tray.
Furthermore, a circular groove is formed in the top plate and used for supporting the bottom of the jack, and the depth of the circular groove is 5 mm. And a circular groove with the depth of 5mm is milled on the top plate and used for supporting the bottom of the jack and preventing the jack from sliding on the top plate.
Further, balancing weight fixing tool comprises action bars, the welding of chain latch board, one side of chain latch board is equipped with a plurality of latch and is used for pegging graft on the chain roller of lift with the chain chucking, the opposite side of chain latch board with the one end welding of action bars.
The front end of the chain clamping plate is provided with clamping teeth, and the number and the size of the clamping teeth are designed according to the transmission mode of a chain of the lifter on the chain wheel. The surfaces of the clamping teeth are polished to have certain radian and are matched with a chain roller of the lifter to prevent the chain from sliding. When the tool is used, the clamping teeth of the chain clamping toothed plate clamp the chain, the operating rod exerts force downwards and is fixed, so that the chain clamping toothed plate drives the chain to bear force upwards, and the purpose of fixing the balancing weight is achieved.
Further, the latch is a rake latch.
The latch is a special toothed harrow, and the latch of the toothed harrow locks the chain to effectively limit the chain to move up and down.
The utility model has the beneficial effects that:
the tray fixing tool is fastened and connected by bolts, is arranged on the guide rail upright post of the elevator, is safe and stable, and avoids high-altitude hoisting operation; the balancing weight fixing tool adopts the specially-made latch to clamp the chain, and can realize the function of fixing the balancing weight at any position for maintenance; the utility model has low cost and simple operation, can be maintained and used at any time, and saves the maintenance time of high-altitude hoisting operation.
Drawings
FIG. 1 is a schematic view of a maintenance lift-free device of the present invention applied to a lift;
FIG. 2 is a schematic structural view of a pallet fixing tool;
FIG. 3 is a schematic structural diagram of a base;
FIG. 4 is a schematic view of a fixing tool for a weight block;
in the figure: tray 1, chain 2, balancing weight 3, jack 4, base 5, mounting panel 501, roof 502, square groove 503, through-hole 504, circular slot 505, action bars 6, chain latch board 7, latch 701.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1, a maintenance exempts from hoist device for heavily loaded chain lift, including tray fixing tool and balancing weight fixing tool, tray fixing tool installs and is used for bearing fixed to the tray 1 of lift on the guide rail stand (not shown in the figure), and balancing weight fixing tool's one end is used for pegging graft on the chain roller of lift with 2 chucking of chain, and the other end is power and fixed downwards to make the balancing weight 3 position of lift fixed.
As shown in fig. 2 and 3, in the present embodiment, the pallet fixing means includes a jack 4 and a base 5, the jack 4 is mounted on the base 5, and the base 5 is fixedly mounted on the guide rail column of the elevator. The jacks 4 are selected according to the weight of the pallet 1, requiring that the total lifting capacity of the jacks 4 should be no less than twice the weight of the pallet 1. Base 5 comprises two mounting panels 501 and a roof 502 welding, and roof 502 is fixed and is used for installing jack 4 at the top of two mounting panels 501, and square groove 503 has been seted up to one side of two mounting panels 501, during the use with the installation piece cooperation on the guide rail stand of lift, simultaneously construction bolt locks, makes base 5 firmly install on the guide rail stand of lift.
Referring to fig. 3, in the present embodiment, a through hole 504 is formed on the mounting plate 501, and the mounting plate 501 can be drilled at a non-stressed position, so as to achieve the purpose of light weight of the tool. Mounting panel 501 is the right triangle, and one side on the right angle limit is installed on the guide rail stand of lift, and right triangle's mounting panel 501 forms the bracing, strengthens base 5's holding power, makes jack 4 on the base 5 more stable when bearing tray 1.
Referring to fig. 3, in this embodiment, a circular groove 505 with a depth of 5mm is milled on the top plate 502 for supporting the bottom of the jack 4 and preventing the jack 4 from sliding on the top plate 502.
As shown in fig. 4, in the present embodiment, the counterweight fixing tool is formed by welding the operating rod 6 and the chain latch plate 7, one side of the chain latch plate 7 is provided with a latch 701, and the other side is welded to one end of the operating rod 6. The front end of the chain-toothed plate 7 is provided with a plurality of teeth 701, and the number and the size of the teeth 701 are designed according to the transmission mode of the chain 2 of the lifter on the chain wheel. The latch 701 surface is polished to a certain radian and is matched with a chain roller of the lifter to prevent the chain 2 from sliding. When the tool is used, the clamping teeth 701 of the chain clamping toothed plate 7 clamp the chain 2, the operating rod 6 exerts force downwards and is fixed, so that the chain clamping toothed plate 7 drives the chain 2 to bear force upwards, and the purpose of fixing the balancing weight 3 is achieved.
The latch 701 is a special toothed harrow, and the latch of the toothed harrow locks the chain 2 to effectively limit the chain 2 to move up and down.
When using, install base 5 on the guide rail stand of lift through the bolt, start jack 4 and be used for the top to connect the tray 1 of lift, simultaneously, block chain 2 with the latch 701 of chain latch board 7 at the opposite side, hold operating lever 6 and exert oneself and fix downwards, make chain latch board 7 drive chain 2 atress upwards to reach the purpose of fixed balancing weight 3.
According to the utility model, the tray 1 and the balancing weight 3 of the elevator can be conveniently fixed through the tray fixing tool and the balancing weight fixing tool, the requirement that the balancing weight 3 and the tray 1 can be fixed at any position is met, the operation mode of hoisting by using a hoist is cancelled, and the purposes of stable installation, simple operation, safety and convenience and avoidance of safety risk of overhead operation during hoisting are achieved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a hoist device is exempted from in maintenance for heavily loaded chain lift which characterized in that, includes tray fixing tool and balancing weight fixing tool, tray fixing tool installs and is used for carrying out the bearing fixed to tray (1) of lift on the guide rail stand of lift, balancing weight fixing tool's one end is used for pegging graft on the chain roller of lift with chain (2) chucking, and the other end is hard downwards and fixed to make balancing weight (3) position of lift fixed.
2. The maintenance hoisting-free device according to claim 1, wherein the tray fixing tool comprises a jack (4) and a base (5), the jack (4) is mounted on the base (5), and the base (5) is fixedly mounted on a guide rail upright of an elevator.
3. A service lift-free unit according to claim 2, wherein the total lifting capacity of the jack (4) is not less than twice the weight of the pallet (1) of the elevator.
4. The maintenance hoisting-free device according to claim 2, wherein the base (5) is formed by welding two mounting plates (501) and a top plate (502), and the top plate (502) is fixed on the tops of the two mounting plates (501) for mounting the jack (4).
5. The maintenance hoisting-free device according to claim 4, wherein one side of each of the two mounting plates (501) is provided with a square groove (503) for matching with a mounting block on a guide rail upright of an elevator and fastening by bolts.
6. The maintenance hoisting-free device of claim 4, wherein the mounting plate (501) is provided with a through hole (504).
7. The maintenance hoisting-free device according to claim 4, wherein the mounting plate (501) is a right-angled triangle, and one side of the right-angled edge is mounted on a guide rail upright of the elevator.
8. The maintenance hoisting-free device according to claim 4, wherein the top plate (502) is provided with a circular groove (505) for supporting the bottom of the jack (4).
9. The maintenance hoisting-free device according to claim 1, wherein the counterweight fixing tool is composed of an operating rod (6) and a chain toothed plate (7) in a welding mode, one side of the chain toothed plate (7) is provided with a plurality of clamping teeth (701) for being plugged on a chain roller of the lifter to clamp the chain (2), and the other side of the chain toothed plate (7) is welded with one end of the operating rod (6).
10. The service lift-free device of claim 9, wherein the latch (701) is a tine rake latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067341.9U CN216272976U (en) | 2021-08-30 | 2021-08-30 | Maintenance hoisting-free device for heavy-load chain type lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067341.9U CN216272976U (en) | 2021-08-30 | 2021-08-30 | Maintenance hoisting-free device for heavy-load chain type lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216272976U true CN216272976U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122067341.9U Active CN216272976U (en) | 2021-08-30 | 2021-08-30 | Maintenance hoisting-free device for heavy-load chain type lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216272976U (en) |
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2021
- 2021-08-30 CN CN202122067341.9U patent/CN216272976U/en active Active
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