CN219900984U - Device for dismounting bearing and shaft of small wheel - Google Patents
Device for dismounting bearing and shaft of small wheel Download PDFInfo
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- CN219900984U CN219900984U CN202320767569.5U CN202320767569U CN219900984U CN 219900984 U CN219900984 U CN 219900984U CN 202320767569 U CN202320767569 U CN 202320767569U CN 219900984 U CN219900984 U CN 219900984U
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- shaft
- small wheel
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- trolley
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- 238000000034 method Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses a device for dismounting a small wheel bearing and a shaft, and relates to the field of maintenance of shore bridge trolleys. The device for dismounting the small wheel bearing and the shaft comprises a working platform bottom plate, a shaft-mounting pull rod, a top bearing lengthening sleeve, a top shaft lengthening sleeve and tool code pulling plates which are arranged on two sides of the top of the working platform bottom plate and are rotatable, wherein 50T hollow hydraulic jacks are arranged at the tail ends of the tool code pulling plates, and the top bearing lengthening sleeve is fixedly mounted with the shaft-mounting pull rod. The device for dismounting the bearing and the shaft of the small wheel is uniform in strength, the strength and the specific force direction are easy to control, the damage probability to parts is very small when the shaft and the bearing are dismounted through the device, the dismounting cost is low, the replacement efficiency of the bearing of the small wheel is effectively improved, and compared with a traditional knocking method, the device can save 6 hours, and is high in safety performance and simple to operate.
Description
Technical Field
The utility model relates to the technical field of maintenance of shore bridge trolleys, in particular to a device for dismounting a trolley wheel bearing and a shaft.
Background
The trolley running system is an important component part of a quay crane, the operation stability of the quay crane is guaranteed by the production efficiency of the quay crane and the safety work of equipment, along with the increasing of the working capacity of the quay crane, the problems of small wheel abrasion, bearing damage and the like of a trolley mechanism gradually occur, the fault of a trolley running wheel needs to be stopped for maintenance, the maintenance time is long, 12 hours are generally required for maintenance, the trolley running wheel assembly is required to be detached by the traditional method of small wheel assembly and disassembly, the bearing or the small wheel is replaced in a workshop, and then the trolley running wheel assembly is assembled back to the quay crane trolley.
1. The shaft, the bearing and the small wheel are disassembled by the traditional method;
in general, when the bearing is fixed on the shaft and the small wheel through the interference of the inner ring and the clearance fit of the outer ring, no matter the small wheel is in fault or the shaft and the bearing are in fault, three parts of the small wheel, the bearing and the shaft are required to be separated and replaced when the small wheel, the bearing and the shaft are required to be replaced, when the small wheel, the bearing and the shaft are detached, the most common method is a knocking method and a thermal detaching method, after the small wheel assembly is detached from the shore bridge, the small wheel assembly is placed on a hollow steel iron frame manufactured by a workshop, bearing end covers at two ends of the small wheel are firstly detached, the shaft and the bearing of the small wheel are directly pressed out together through a press, but the outer edges of the bearing are required to be directly cut off manually, the steel balls of the bearing and the retainer are directly scattered on the ground, possibly to cause landing and a certain operation risk, and then the inner edge of the bearing is heated to expand and then be released along with the shaft, if the bearing is not pressed out along with the shaft, the bearing is required to be knocked out of the small wheel, and the bearing is required to be placed in a proper position when the force is required to be controlled;
2. the traditional method is to install a shaft, a bearing and a small wheel;
the method comprises the steps of firstly, mounting an end cover on one side of a small wheel, lightly knocking the inner edge of the bearing by a manual hammer on the bearing, mounting the bearing into the small wheel, centering the shaft at the lower end of the small wheel by a forklift fork with the bearing, adding the manual hammer on the copper rod, knocking the inner edge of the bearing, simultaneously, lowering the fork teeth of the forklift, slowly mounting the shaft, and always mounting the repaired small wheel back to a quay crane trolley.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model discloses a device for disassembling and assembling a bearing and a shaft of a small wheel, which aims to solve the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the device for dismounting the bearing and the shaft of the small wheel comprises a bottom plate of a working platform, a shaft-mounting pull rod, a top bearing lengthening sleeve, a top shaft lengthening sleeve and tool code pulling plates which are arranged on two sides of the top of the bottom plate of the working platform and can rotate;
the tail end of the tool code pulling plate is provided with a 50T hollow hydraulic jack, and the top bearing lengthening sleeve is fixedly arranged with the shaft mounting pull rod;
the top bearing lengthening sleeve is arranged at the output end of the 50T hollow hydraulic jack and is used for disassembling a bearing and a shaft of a small wheel;
the shaft-mounting pull rod is arranged at the output end of the 50T hollow hydraulic jack and used for mounting a bearing and a shaft of a small wheel.
Preferably, an operation track is fixedly welded at the top of the bottom plate of the working platform, and a shaft trolley main body and a wheel trolley which move along the operation track are arranged on the upper surface of the operation track.
Preferably, the front end of the tool code pulling plate is movably clamped with a small wheel main body, a wheel bearing main body is arranged in the small wheel main body, an axle is arranged in the wheel bearing main body, and bearing end covers are arranged at two ends of the wheel bearing main body.
Preferably, the bottom of the small wheel main body is contacted with the top of the wheel platform, and the axle is contacted with the top of the axle platform main body.
Preferably, the tail end of the running track is welded with a jack fulcrum beam, the jack fulcrum beam is movably clamped with the tool code pulling plate, and the 5050T hollow hydraulic jack is arranged on the outer surface of the jack fulcrum beam.
Preferably, a jack hydraulic pump and an electric winch are arranged in the bottom plate of the working platform, a winch steel wire rope guide pulley is arranged at the output end of the electric winch, and the jack hydraulic pump is in transmission connection with a 50T hollow hydraulic jack.
Preferably, a tool code pulling hinge is arranged between the working platform bottom plate and the tool code pulling plate, a tool code pulling opening and retracting fulcrum arm is fixedly arranged on the outer surface of the tool code pulling plate, the tool code pulling opening and retracting fulcrum arm bottom end is movably arranged in the working platform bottom plate, and a steel wire rope of the electric winch is fixedly arranged on the tool code pulling opening and retracting fulcrum arm.
Preferably, a shaft trolley slewing bearing is fixedly installed at the top of the shaft trolley main body, and a rotatable supporting seat for supporting an axle is installed in the shaft trolley slewing bearing.
The utility model discloses a device for dismounting a small wheel bearing and a shaft, which has the following beneficial effects:
1. the device for dismounting the bearing and the shaft of the small wheel is uniform in strength, the strength and the specific force direction are easy to control, the damage probability to parts is very small when the shaft and the bearing are dismounted through the device, the dismounting cost is low, the replacement efficiency of the bearing of the small wheel is effectively improved, and compared with a traditional knocking method, the replacement efficiency of the bearing of the small wheel can be saved by 6 hours.
2. The device for dismounting the bearing and the shaft of the small wheel reduces the downtime, has high safety performance, can realize risk-free operation, is simple and easy to operate, can replace the shaft and the bearing of the small wheel without strong operation experience, can save manpower resources, is light, has good effect in actual use, and has high practical value.
Drawings
FIG. 1 is a perspective view of the overall exterior surface structure of the present utility model;
FIG. 2 is a schematic diagram of the overall side structure of the present utility model;
FIG. 3 is a schematic view of the overall top structure of the present utility model;
fig. 4 is a schematic view of the overall rear structure of the present utility model.
In the figure: 1. a work platform bottom plate; 2. a shaft trolley body; 3. an axle; 4. pulling a code plate by a tool; 5. a trolley wheel body; 6. a steel wire rope guide pulley of a winch; 7. the tool puller is opened and the fulcrum arm is retracted; 8. adding a long sleeve on the top bearing; 9. the tool is pulled to be hinged; 10. 50T hollow hydraulic jack; 11. an electric hoist; 12. a jack hydraulic pump; 13. a running rail; 14. a wheel trolley; 15. a bearing end cap; 16. adding a long sleeve on the top shaft; 17. a jack fulcrum beam; 18. a wheel bearing body; 19. a shaft trolley slewing bearing; 20. and (5) installing a shaft pull rod.
Detailed Description
The embodiment of the utility model discloses a device for dismounting a small wheel bearing and a shaft, as shown in fig. 1-4, in order to make the purposes, technical schemes and advantages of the embodiment of the utility model more clear, the technical schemes of the embodiment of the utility model are clearly and completely described below by means of the embodiment in combination with the drawings in the utility model.
Embodiment 1,
The device for dismounting the bearing and the shaft of the small wheel shown in figures 1-4 comprises a working platform bottom plate 1, a shaft-mounting pull rod 20, a top bearing lengthening sleeve 8, a top shaft lengthening sleeve 16 and tool code pulling plates 4 which are arranged on two sides of the top of the working platform bottom plate 1 and can rotate;
the tail end of the tooling code pulling plate 4 is provided with a 50T hollow hydraulic jack 10, and a top bearing lengthening sleeve 8 is fixedly arranged with a shaft-mounting pull rod 20;
the top bearing lengthening sleeve 8 is arranged at the output end of the 50T hollow hydraulic jack 10 and is used for disassembling a bearing and a shaft of a small wheel;
the shaft-mounted tie rod 20 is mounted at the output end of the 50T hollow hydraulic jack 10 for small wheel bearing and shaft mounting.
The top of the working platform bottom plate 1 is fixedly welded with a running rail 13, and the upper surface of the running rail 13 is provided with a pillow block main body 2 and a wheel trolley 14 which move along the running rail 13.
The front end of the tool code pulling plate 4 is movably clamped with a small wheel main body 5, a wheel bearing main body 18 is arranged in the small wheel main body 5, an axle 3 is arranged in the wheel bearing main body 18, and bearing end covers 15 are arranged at two ends of the wheel bearing main body 18.
The bottom of the trolley body 5 is in contact with the top of the trolley 14 and the axle 3 is in contact with the top of the axle trolley body 2.
The tail end of the running track 13 is welded with a jack fulcrum beam 17, the jack fulcrum beam 17 is movably clamped with the tool code pulling plate 4, and the 50T hollow hydraulic jack 10 is arranged on the outer surface of the jack fulcrum beam 17.
The hydraulic jack pump 12 and the electric hoist 11 are arranged in the working platform bottom plate 1, the hoist steel wire rope guide pulley 6 is arranged at the output end of the electric hoist 11, and the hydraulic jack pump 12 is in transmission connection with the 50T hollow hydraulic jack 10.
Install the frock between work platform bottom plate 1 and the frock and draw a yard board 4 and draw a yard hinge 9, the surface fixed mounting that the frock draws a yard board 4 has the frock to draw a yard to open and pack up fulcrum arm 7, and the frock draws a yard to open and pack up the bottom activity setting of fulcrum arm 7 in work platform bottom plate 1's inside, and the wire rope of electric winch 11 draws a yard to open and pack up fulcrum arm 7 fixed mounting with the frock.
The top of the axle trolley main body 2 is fixedly provided with an axle trolley slewing bearing 19, and a rotatable supporting seat for supporting the axle 3 is arranged in the axle trolley slewing bearing 19.
(one), mounting process
1. A two-layer working platform base plate 1 is manufactured, and then a running rail 13 is welded on a second layer of the working platform base plate 1.
2. A wheel trolley 14 and a shaft trolley main body 2 which run along the rails are respectively manufactured on the welded running rails 13 and are used for supporting and fixing the small wheel main body 5 and the axle 3, and a shaft trolley slewing bearing 19 is arranged at the lower end of the shaft trolley main body 2 so that the detached small wheel shaft can realize 90-degree rotation.
3. A jack fulcrum beam 17 is welded and manufactured at one end of a running rail 13, a 50T hollow hydraulic jack 10 is installed, and a jack hydraulic pump 12 is installed on the first layer of a bottom plate to provide power for disassembling and assembling an axle 3 and a wheel bearing main body 18 of a trolley main body 5.
4. Mounting a tooling code pulling plate 4 and tooling code pulling opening and retracting fulcrum arms 7 at proper positions on the left and right sides of a running track 13, fixing the central end of a steel wire rope on a steel wire rope drum of an electric winch 11, reversely winding the two ends of the steel wire rope on the steel wire rope drum of the electric winch 11 respectively, and winding the steel wire rope heads at the two ends on the tooling code pulling opening and retracting fulcrum arms 7 which are respectively fixed on the left and right sides through winch steel wire rope guide pulleys 6; the tool code pulling hinge 9 is used as a fulcrum, the electric winch 11 is used for forward and backward rotation to power and loosening and tensioning the steel wire rope, and the acting force is transmitted to the tool code pulling opening and retracting fulcrum arms 7 on the left side and the right side, so that the tool code pulling plate 4 can rotate by 0-90 degrees, and is placed in a horizontal 0-degree state when not used, so that the operation space is more spacious, and the tool code pulling plate can be pulled up by 90 degrees when used.
5. A top bearing lengthening sleeve 8 and a top shaft lengthening sleeve 16 can be arranged at the front end of the 50T hollow hydraulic jack 10 and are respectively used for ejecting the axle 3 and the wheel bearing main body 18 of the small wheel main body 5, or a shaft pull rod 20 is arranged at the front end of the 50T hollow hydraulic jack 10 and is used for assisting in arranging the axle 3 and the wheel bearing main body 18 of the small wheel main body 5;
(II) disassembly and assembly process for small wheel shaft and bearing
1, disassembling a small wheel shaft;
after the failure of the traveling wheel shaft or the bearing of the trolley of the quay bridge, the trolley assembly is detached from the quay bridge and put on the device, then the trolley main body 5 and the trolley shaft 3 are respectively put on the trolley 14 and the trolley main body 2, the tooling pulling plate 4 is turned from 0 DEG to 90 DEG through the electric winch 11, the tooling pulling plate is opened and fixed by the retracting fulcrum arm 7, the trolley main body 5 and the trolley main body 2 are movable, the jacking shaft lengthening sleeve 16 is arranged on the 50T hollow hydraulic jack 10, the jack hydraulic pump 12 can be directly opened, the trolley main body 2 moves forwards along with the trolley shaft 3, the trolley shaft 3 is slowly ejected out of the trolley main body 5, and the trolley shaft 3 is horizontally rotated by 90 DEG through the trolley shaft rotary bearing 19, so that the trolley shaft bearing main body 18 can be detached later, after the trolley shaft bearing main body 18 is replaced, the trolley shaft 3 can be installed by rotating back and forth, and labor and time for conveying the trolley shaft 3 can be saved.
2, disassembling the bearing of the small wheel;
after the axle 3 is disassembled, the bearing end covers 15 at the two ends of the wheel bearing main body 18 are disassembled, the jack hydraulic pump 12 is opened, the 50T hollow hydraulic jack 10 ejects the wheel bearing main body 18 to be separated from the small wheel main body 5 through the top bearing lengthening sleeve 8, and the ejected wheel bearing main body 18 can directly fall on the top shaft lengthening sleeve 16 due to the existence of the top shaft lengthening sleeve 16, so that the axle 3 is prevented from falling to the ground, the wheel bearing main body 18 is avoided, and the operation risk is avoided.
3, installing a small wheel bearing;
the tooling pulling and stacking plate 4 is placed to 0 degree through the electric winch 11, the wheel trolley 14 is slightly moved backwards, a new wheel bearing main body 18 is sleeved on the top shaft lengthening sleeve 16, the wheel bearing main body 18 is tightly attached to the top shaft lengthening sleeve 8, the wheels of the wheel trolley 14 are fixed through the tooling pulling and stacking plate 4, then the jack hydraulic pump 12 is opened, the 50T hollow hydraulic jack 10 directly pushes the wheel bearing main body 18 into the small wheel main body 5 through the top shaft lengthening sleeve 8, and the whole design and installation are set on a central line, so that manual centering is not needed.
4, mounting a small wheel shaft;
after the bearing is assembled on the trolley wheel main body 5, the bearing end cover 15 of the trolley wheel bearing main body 18 is assembled, then the tooling pulling plate 4 is placed to 0 degrees through the electric winch 11, then the end B of the axle-mounting pull rod 20 is installed on the 50T hollow hydraulic jack 10, the axle trolley slewing bearing 19 rotates the trolley wheel axle by 90 degrees, the end A of the axle-mounting pull rod 20 is fixed on the axle 3 through four bolts, the jack hydraulic pump 12 is opened, the 50T hollow hydraulic jack 10 moves forward, the trolley wheel main body 5 moves forward, the axle 3 is fixed, the installation of the trolley wheel axle is completed, the axle-mounting pull rod 20 is detached, the whole dismounting process of the trolley wheel axle and the bearing is completed, and the maintained trolley wheel assembly is assembled back to the trolley of the shore bridge.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The device for dismounting and mounting the small wheel bearing and the shaft comprises a working platform bottom plate (1), a shaft mounting pull rod (20), a top bearing lengthening sleeve (8), a top shaft lengthening sleeve (16) and tool code pulling plates (4) which are arranged on two sides of the top of the working platform bottom plate (1) and can rotate;
the method is characterized in that; the tail end of the tooling pulling plate (4) is provided with a 50T hollow hydraulic jack (10), and the top bearing lengthening sleeve (8) is fixedly arranged with the shaft-mounting pull rod (20);
the top bearing lengthening sleeve (8) is arranged at the output end of the 50T hollow hydraulic jack (10) and is used for disassembling a small wheel bearing and a shaft;
the shaft-mounting pull rod (20) is arranged at the output end of the 50T hollow hydraulic jack (10) and used for mounting a small wheel bearing and a shaft.
2. The apparatus for assembling and disassembling a bearing and a shaft of a small wheel as claimed in claim 1, wherein: the top of the working platform bottom plate (1) is fixedly welded with a running rail (13), and the upper surface of the running rail (13) is provided with a shaft trolley main body (2) and a wheel trolley (14) which move along the running rail (13).
3. A device for mounting and dismounting a small wheel bearing and shaft as claimed in claim 2, wherein: the front end of the tool code pulling plate (4) is movably clamped with a small wheel main body (5), a wheel bearing main body (18) is arranged in the small wheel main body (5), an axle (3) is arranged in the wheel bearing main body (18), and bearing end covers (15) are arranged at two ends of the wheel bearing main body (18).
4. A device for mounting and dismounting a small wheel bearing and shaft according to claim 3, wherein: the bottom of the small wheel main body (5) is contacted with the top of the wheel trolley (14), and the axle (3) is contacted with the top of the axle trolley main body (2).
5. A device for mounting and dismounting a small wheel bearing and shaft as claimed in claim 2, wherein: the tail end of the running track (13) is welded with a jack fulcrum beam (17), the jack fulcrum beam (17) is movably clamped with the tool code pulling plate (4), and the 50T hollow hydraulic jack (10) is arranged on the outer surface of the jack fulcrum beam (17).
6. The apparatus for assembling and disassembling a bearing and a shaft of a small wheel as claimed in claim 5, wherein: the hydraulic lifting device is characterized in that a jack hydraulic pump (12) and an electric hoist (11) are arranged in the working platform base plate (1), a hoist steel wire rope guide pulley (6) is arranged at the output end of the electric hoist (11), and the jack hydraulic pump (12) is in transmission connection with a 50T hollow hydraulic jack (10).
7. The apparatus for assembling and disassembling a bearing and a shaft of a small wheel as claimed in claim 6, wherein: install frock between work platform bottom plate (1) and frock and draw sign indicating number board (4) and draw sign indicating number hinge (9), the surface fixed mounting that frock draws sign indicating number board (4) has the frock to draw the sign indicating number to open and pack up fulcrum arm (7), the frock draws the sign indicating number to open and pack up the bottom activity setting of fulcrum arm (7) in the inside of work platform bottom plate (1), the wire rope of electric hoist engine (11) draws the sign indicating number with the frock to open and pack up fulcrum arm (7) fixed mounting.
8. The apparatus for assembling and disassembling a bearing and a shaft of a small wheel as claimed in claim 4, wherein: the axle trolley is characterized in that an axle trolley slewing bearing (19) is fixedly arranged at the top of the axle trolley main body (2), and a rotatable supporting seat for supporting an axle (3) is arranged in the axle trolley slewing bearing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767569.5U CN219900984U (en) | 2023-04-10 | 2023-04-10 | Device for dismounting bearing and shaft of small wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767569.5U CN219900984U (en) | 2023-04-10 | 2023-04-10 | Device for dismounting bearing and shaft of small wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219900984U true CN219900984U (en) | 2023-10-27 |
Family
ID=88427083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320767569.5U Active CN219900984U (en) | 2023-04-10 | 2023-04-10 | Device for dismounting bearing and shaft of small wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219900984U (en) |
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2023
- 2023-04-10 CN CN202320767569.5U patent/CN219900984U/en active Active
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