CN211594837U - Wheel dismounting tool for large crane running mechanism of overhead travelling crane - Google Patents
Wheel dismounting tool for large crane running mechanism of overhead travelling crane Download PDFInfo
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- CN211594837U CN211594837U CN201921990345.0U CN201921990345U CN211594837U CN 211594837 U CN211594837 U CN 211594837U CN 201921990345 U CN201921990345 U CN 201921990345U CN 211594837 U CN211594837 U CN 211594837U
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- bottom plate
- cross arm
- fixed
- lifting cylinder
- sleeve
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Abstract
The utility model relates to a crown block cart running gear wheel extracting tool belongs to metallurgical industry crown block wheel extracting tool equipment technical field. The technical scheme is as follows: the bottom plate (2) is arranged on the slideway (1) through the roller (10), the rotating shaft (3) is formed by combining a central shaft (31), a bearing (32) and a shaft sleeve (33), the upper end of the central shaft (31) is fixed on the rotating plate (4), the lower end of the central shaft (31) penetrates through the bottom plate (2), and the shaft sleeve (33) and the bottom plate (2) are fixed together; the hydraulic lifting cylinder (5) and the auxiliary rod (8) are respectively fixed on the rotating plate (4), one end of the cross arm (6) is connected to a piston rod of the hydraulic lifting cylinder (5), the other end of the cross arm (6) is fixed on the auxiliary rod (8), and a hook (9) is arranged at one end, close to the piston rod of the hydraulic lifting cylinder (5), of the cross arm (6). The utility model has the advantages that: the wheels of the running mechanism of the crane cart can be conveniently, efficiently and safely disassembled and assembled.
Description
Technical Field
The utility model relates to a crown block cart running gear wheel extracting tool belongs to metallurgical industry crown block wheel extracting tool equipment technical field.
Background
The wheels of the large crane running mechanism are fixed at the lower part of the end beam of the crane and run on the steel rail (as shown in figure 2), and the wheels are often damaged due to the damage of the bearing in the bearing box or the crack of the wheel body, so that the crane cannot run normally and needs to be replaced.
When the wheels of the large overhead traveling crane running mechanism are replaced, the wheels are generally replaced by utilizing a high-position electric overhaul hoist and a chain block inside a plant to displace up and down and left and right, the wheels are very inconvenient to detach and install due to the fact that the space between the wheels and end beams is limited, the end beams are wide, and the central lines of steel rails and the central lines of the end beams are on the same vertical plane, and particularly, the chain block needs to be used for pulling outwards when the wheels move left and right, so that the method is low in efficiency and has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big car running gear wheel extracting tool of overhead traveling crane can be convenient, high-efficient, safe dismantle the installation to the overhead traveling crane wheel, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a wheel dismounting tool for a large crane running mechanism of a crown block comprises a slide way, a bottom plate, a rotating shaft, a rotating plate, a hydraulic lifting cylinder, a cross arm, a balance spring, an auxiliary rod, a hook and a roller, wherein the bottom plate is arranged on the slide way through the roller; the hydraulic lifting cylinder and the auxiliary rod are respectively fixed on the rotating plate, one end of the cross arm is connected to a piston rod of the hydraulic lifting cylinder, the other end of the cross arm is fixed on the auxiliary rod, a balance spring is arranged on the auxiliary rod, and a hook is arranged at one end, close to the piston rod of the hydraulic lifting cylinder, of the cross arm.
The slideway is composed of two parallel channel steels, and the two parallel channel steels are respectively fixed on the overhead traveling crane walking platform.
Four idler wheels matched with the slide ways are arranged below the bottom plate, and the idler wheels are fixed with the bottom plate through rolling wheel shafts.
The auxiliary rod comprises a screw rod and a sleeve, the sleeve is fixed on the rotating plate, the lower end of the screw rod is in threaded connection with the sleeve, and the upper end of the screw rod is in threaded connection with the cross arm.
The sleeve in the auxiliary rod has an internal thread.
The utility model has the advantages that: the wheels of the running mechanism of the crane cart can be conveniently, efficiently and safely disassembled and assembled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a wheel mounting of a crane cart running mechanism;
in the figure: the device comprises a slideway 1, a bottom plate 2, a rotating shaft 3, a rotating plate 4, a hydraulic lifting cylinder 5, a cross arm 6, a balance spring 7, an auxiliary rod 8, a hook 9, a roller 10, an end beam 11, a rail 12, a wheel 13, a central shaft 31, a bearing 32 and a shaft sleeve 33.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1 and 2, the wheel dismounting tool for the running mechanism of the overhead traveling crane cart comprises a slideway 1, a bottom plate 2, a rotating shaft 3, a rotating plate 4, a hydraulic lifting cylinder 5, a cross arm 6, a balance spring 7, an auxiliary rod 8, a hook 9 and a roller 10, wherein the bottom plate 2 is arranged on the slideway 1 through the roller 10, the rotating plate 4 is positioned above the bottom plate 2, the rotating shaft 3 is formed by combining a central shaft 31, a bearing 32 and a shaft sleeve 33, the upper end of the central shaft 31 is fixed on the rotating plate 4, the lower end of the central shaft 31 penetrates through the bottom plate 2, and the shaft sleeve 33 is fixed with the; the hydraulic lifting cylinder 5 and the auxiliary rod 8 are respectively fixed on the rotating plate 4, one end of the cross arm 6 is connected to a piston rod of the hydraulic lifting cylinder 5, the other end of the cross arm 6 is fixed on the auxiliary rod 8, the balance spring 7 is arranged on the auxiliary rod 8, and a hook 9 is arranged at one end, close to the piston rod of the hydraulic lifting cylinder 5, of the cross arm 6.
In this embodiment, referring to fig. 1, the slide 1 is made up of two 80 channel steel 1200mm long welded to a fixed overhead traveling carriage, ensuring that the tool can move back and forth via the rollers 10.
The base plate 2 is a steel plate of 500x600x30mm, four rollers 10 are arranged below the base plate, and the rollers 10 and the base plate 2 are fixed together through roller shafts.
The rotating shaft 3 is composed of a built-in bearing 32, a central shaft 31 and a shaft sleeve 33, the upper end of the central shaft 31 is welded with the rotating plate 4 into a whole, the lower end penetrates through the bottom plate 2 and is provided with a nut plug, the shaft sleeve 33 is welded with the bottom plate 2 into a whole, and the bearing 32, the central shaft 31 and the shaft sleeve 33 are matched with each other, so that the rotating plate 4 in the tool can rotate relative to the bottom plate 2.
The rotating plate 4 is a 400x600x30mm steel plate.
The cylinder body of the hydraulic lifting cylinder 5 is fixed on the rotating plate 4, and the piston rod of the hydraulic lifting cylinder is connected with the cross arm 6.
The cross arm 6 is an H-shaped vertical plate welding piece, and the front part of the cross arm is provided with a lifting hook 9.
The auxiliary rod 8 comprises a screw rod and a sleeve, the sleeve is fixed on the rotating plate 4 and is provided with internal threads, the lower end of the screw rod is in threaded connection with the sleeve, and the upper end of the screw rod is in threaded connection with the cross arm 6.
Fig. 2 is a schematic view of the installation of wheels 13 of a crane cart running mechanism, and the wheels 13 are required to be disassembled.
The specific disassembly method is as follows:
(1) the crown block wheel connecting bolt needing to be replaced is removed out of the trolley after being disassembled;
(2) moving the tool in place along the slide;
(3) connecting the hook 9 with the wheel, jacking the cross arm 6 through the hydraulic lifting cylinder 5 until the wheel rim leaves the top surface of the rail; if the balance spring 7 does not ensure that the cross arm 6 is in a horizontal state, the cross arm 6 is adjusted by screwing a screw rod in the auxiliary rod into and out of a sleeve, so that the cross arm 6 is in a horizontal state.
(4) After the tool is moved to a designated place, the wheel is set aside after being rotated by the rotating shaft.
(5) The installation process and the disassembly process of the wheels of the running mechanism of the overhead travelling crane cart are opposite.
Claims (5)
1. The utility model provides a big car running gear wheel extracting tool of overhead traveling crane which characterized in that: the lifting device comprises a slide way (1), a bottom plate (2), a rotating shaft (3), a rotating plate (4), a hydraulic lifting cylinder (5), a cross arm (6), a balance spring (7), an auxiliary rod (8), a hook (9) and rollers (10), wherein the bottom plate (2) is arranged on the slide way (1) through the rollers (10), the rotating plate (4) is positioned above the bottom plate (2), the rotating shaft (3) is formed by combining a central shaft (31), a bearing (32) and a shaft sleeve (33), the upper end of the central shaft (31) is fixed on the rotating plate (4), the lower end of the central shaft (31) penetrates through the bottom plate (2), and the shaft sleeve (33) is fixed with the bottom plate (2); the hydraulic lifting cylinder (5) and the auxiliary rod (8) are respectively fixed on the rotating plate (4), one end of the cross arm (6) is connected to a piston rod of the hydraulic lifting cylinder (5), the other end of the cross arm (6) is fixed on the auxiliary rod (8), a balance spring (7) is arranged on the auxiliary rod (8), and a hook (9) is arranged at one end, close to the piston rod of the hydraulic lifting cylinder (5), of the cross arm (6).
2. The tool for detaching the wheel of the running mechanism of the overhead traveling crane cart according to claim 1, wherein: the slideway (1) is composed of two parallel channel steels, and the two parallel channel steels are respectively fixed on the overhead traveling crane walking board.
3. The tool for detaching the wheel of the running mechanism of the overhead traveling crane cart according to claim 1 or 2, wherein: four idler wheels (10) matched with the slide ways (1) are arranged below the bottom plate (2), and the idler wheels (10) are fixed with the bottom plate (2) through rolling wheel shafts.
4. The tool for detaching the wheel of the running mechanism of the overhead traveling crane cart according to claim 1, wherein: the auxiliary rod (8) comprises a screw rod and a sleeve, the sleeve is fixed on the rotating plate (4), the lower end of the screw rod is in threaded connection with the sleeve, and the upper end of the screw rod is in threaded connection with the cross arm (6).
5. The tool for detaching the wheel of the running mechanism of the overhead traveling crane cart according to claim 4, wherein: the sleeve in the auxiliary rod (8) has an internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990345.0U CN211594837U (en) | 2019-11-18 | 2019-11-18 | Wheel dismounting tool for large crane running mechanism of overhead travelling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990345.0U CN211594837U (en) | 2019-11-18 | 2019-11-18 | Wheel dismounting tool for large crane running mechanism of overhead travelling crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211594837U true CN211594837U (en) | 2020-09-29 |
Family
ID=72588158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990345.0U Active CN211594837U (en) | 2019-11-18 | 2019-11-18 | Wheel dismounting tool for large crane running mechanism of overhead travelling crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211594837U (en) |
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2019
- 2019-11-18 CN CN201921990345.0U patent/CN211594837U/en active Active
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