CN118004876A - Large-scale bearing hoist device - Google Patents
Large-scale bearing hoist device Download PDFInfo
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- CN118004876A CN118004876A CN202410410897.9A CN202410410897A CN118004876A CN 118004876 A CN118004876 A CN 118004876A CN 202410410897 A CN202410410897 A CN 202410410897A CN 118004876 A CN118004876 A CN 118004876A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 77
- 239000010959 steel Substances 0.000 claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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Abstract
The invention relates to the technical field of bearing hoisting, and particularly discloses a large bearing hoisting device which comprises two steel belts, wherein hooks are arranged at one ends of the steel belts, a connecting component is arranged between the two steel belts, the connecting component comprises a connecting piece, a connecting seat, a second pressing piece and a moving piece, an adjusting component is arranged at the outer side of the hooks, the adjusting component comprises an adjusting piece, a containing seat, a first pressing piece and a transmission component, the containing seat is arranged at the outer sides of the two hooks, the adjusting piece is arranged at one side of the containing seat, and the first pressing piece is arranged on the containing seat; according to the large-scale bearing hoisting device, after the bearing is hoisted, the rotating shaft is reversed, so that the steel belt is loosened, then the steel belt is moved out of the adjusting piece, the adjusting piece is separated from the steel belt, and finally the steel belt is pulled to be separated from the bearing, at the moment, the steel belt can be directly separated from the main shaft, and the steel belt does not need to move along the length direction of the main shaft.
Description
Technical Field
The invention relates to the technical field of bearing hoisting, in particular to a large-scale bearing hoisting device.
Background
When the hot sleeve operation is carried out on the large bearing, uncertain safety and quality control difficulties exist in the lifting, hot sleeve installation and transferring processes, so that a method of a hot sleeve large bearing clamping tool, namely a bearing clamp holder, is researched and developed according to continuous research.
The large-scale bearing clamping fixture of hot jacket disclosed in Chinese patent document of the authorized bulletin number CN205346626U can be used for clamping bearings with the outer diameter ranging from 300 to 500mm and the maximum weight of 500Kg, the outer ring of the bearing is clamped by a stainless steel belt before hoisting, and the bearing is supported by a cushion block connected to the end part of a clamp holder body, so that the bearing can be effectively prevented from falling off from the stainless steel belt in the hoisting process, the secondary protection effect is achieved, and the hoisting is safe and rapid.
But the structural design of the related art is as follows: after the bearing is installed on the main shaft, as the length of some main shafts is longer, the hoisting device is required to drive the clamp holder to move out along the main shaft, so that the clamp holder is inconvenient to directly take off from the main shaft after being separated from the bearing, and the installation efficiency is lower.
So we propose a large bearing lifting device in order to solve the problems set out above.
Disclosure of Invention
The invention provides a large-scale bearing hoisting device, and aims to solve the problem that a clamp holder is inconvenient to directly take off from a main shaft after being separated from a bearing in the related art.
The invention relates to a large-scale bearing hoisting device, which comprises:
the two steel belts are used for clamping the outer ring of the bearing, and one end of each steel belt is provided with a hook;
the connecting component is arranged between the two steel belts to connect the two steel belts and comprises a connecting piece, a connecting seat, a second pressing piece and a movable piece;
The adjusting component is arranged on the outer side of the hooks so as to tighten the steel belt, the adjusting component comprises an adjusting piece, a storage seat, a first pressing piece and a transmission component, the storage seat is arranged on the outer sides of the two hooks, the adjusting piece is arranged on one side of the storage seat, the first pressing piece is arranged on the storage seat, the transmission component is arranged inside the storage seat, the transmission component comprises a worm arranged on the adjusting piece, two sides of the worm are connected with worm wheels in a meshed mode, a rotating shaft is arranged on the worm wheels, a first gear is arranged on the outer side of the rotating shaft, a second gear is connected with one side of the first gear in a meshed mode, a rotating shaft is arranged on the second gear, a slot is formed in the rotating shaft, and the hooks are inserted into the slots of the rotating shaft.
Preferably, the storage seat comprises a shell arranged on the adjusting piece, one side of the shell is arc-shaped, the two sides of the top of the shell are provided with placing grooves, the placing grooves are matched with the hooks, and the two sides of the shell are provided with passing grooves.
Preferably, the adjusting member comprises a fixed cylinder installed at one side of the shell, one end of the fixed cylinder is rotatably connected with a rotating cylinder, and one end of the worm is installed on the inner wall of the rotating cylinder.
Preferably, one side of one of the first gears is connected with a third gear in a meshed manner, and a screw is installed in the middle of the third gear.
Preferably, the first pressing piece comprises a threaded cylinder in threaded connection with the outer side of the screw rod, limit strips are arranged on two sides of the threaded cylinder, a groove for sliding the limit strips is formed in the shell, and a first pressing plate is arranged at the top end of the threaded cylinder.
Preferably, the connecting piece comprises a connecting column arranged on the connecting seat, and one end of the connecting column is provided with a fixing column.
Preferably, the second pressing piece comprises a sliding rod which is connected to the top of the connecting seat in a sliding mode, a second pressing plate is installed at the top end of the sliding rod, and a hinge plate is hinged to the bottom end of the sliding rod.
Preferably, the movable piece comprises movable blocks respectively arranged at two sides of the connecting seat, a guide plate is arranged at one side of the movable block, the guide plate is hinged with the hinged plate, and a second elastic piece is arranged between the two guide plates.
Preferably, the steel belt is provided with a plurality of through grooves, the through grooves are distributed at equal intervals along the track of the steel belt, and the inner sides of the through grooves are provided with first elastic pieces.
Preferably, two connecting pieces are installed on one side of the first elastic piece, and a connecting shaft is rotatably connected between the two connecting pieces.
By adopting the technical scheme, the invention has the beneficial effects that: after the bearing is hoisted, the rotating shaft is made to rotate reversely, so that the steel belt is loosened, then the steel belt is moved out of the adjusting piece, the adjusting piece is separated from the steel belt, and finally the steel belt is pulled to be separated from the bearing.
Drawings
Fig. 1 is a schematic overall structure of a first embodiment of the present invention.
Fig. 2 is a schematic view of a steel strip structure according to a first embodiment of the present invention.
Fig. 3 is a schematic structural view of an adjusting member according to a first embodiment of the present invention.
Fig. 4 is a schematic view showing an internal structure of an adjusting member according to a first embodiment of the present invention.
Fig. 5 is a schematic view illustrating an internal structure of a connection socket according to a first embodiment of the present invention.
Fig. 6 is a schematic view of a steel strip structure according to a second embodiment of the present invention.
Fig. 7 is an enlarged schematic view of the structure of fig. 6a according to a second embodiment of the present invention.
Reference numerals:
11. A steel strip; 12. a hook; 13. a through groove; 14. a first elastic member; 15. a connecting sheet; 16. a connecting shaft;
21. An adjusting member; 211. a fixed cylinder; 212. a rotating cylinder; 22. a storage seat; 221. a housing; 222. a placement groove; 223. a pass-through groove; 23. a first press-holding member; 231. a thread cylinder; 232. a limit bar; 233. a first platen; 24. a transmission assembly; 241. a worm; 242. a worm wheel; 243. a rotating shaft; 244. a first gear; 245. a second gear; 246. a rotation shaft; 247. a slot; 248. a third gear; 249. a screw;
31. A connecting piece; 311. a connecting column; 312. fixing the column; 32. a connecting seat; 33. a second press-holding member; 331. a slide bar; 332. a second pressing plate; 333. a hinged plate; 34. a movable member; 341. a movable block; 342. a guide plate; 343. and a second elastic member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
First embodiment:
As shown in fig. 1 to 5, the large bearing hoisting device of the present invention comprises two steel belts 11 for clamping the outer ring of the bearing, wherein one end of each steel belt 11 is provided with a hook 12, the other ends of the two steel belts 11 are provided with a connecting component for connecting the two steel belts 11, the outer sides of the hooks 12 are provided with adjusting components for tightening the steel belts 11, the steel belts 11 are sleeved on the outer sides of the bearing and inserted into the adjusting components, the two steel belts 11 are tightened by the adjusting components for clamping the bearing, and after the hoisting is completed, the two steel belts 11 are taken down from the adjusting components, so that the two steel belts 11 can be directly penetrated out from the main shaft.
As shown in fig. 1 to 3, the adjusting assembly includes an adjusting member 21, a receiving seat 22, a first pressing member 23 and a transmission assembly 24, the receiving seat 22 is disposed at the outer sides of the two hooks 12, the adjusting member 21 is disposed at one side of the receiving seat 22, the first pressing member 23 is disposed at the top of the receiving seat 22, and the transmission assembly 24 is disposed inside the receiving seat 22.
With continued reference to fig. 1 to 3, the housing seat 22 includes a housing 221 mounted on the adjusting member 21, one side of the housing 221 is arc-shaped to adapt to the bearing outer ring, two sides of the top of the housing 221 are provided with a placement groove 222, the placement groove 222 is adapted to the hook 12, two sides of the housing 221 are provided with a passing groove 223 for the steel belt 11 to enter, and the passing groove 223 is communicated with the placement groove 222.
With continued reference to fig. 1 to 3, the transmission assembly 24 includes a worm 241 mounted on the adjusting member 21, both sides of the worm 241 are engaged with and connected with a worm wheel 242, a rotation shaft 243 is mounted in the middle of the worm wheel 242, the bottom end of the rotation shaft 243 is rotatably connected to the inner bottom wall of the housing 221, a first gear 244 is mounted on the outer side of the bottom end of the rotation shaft 243, a second gear 245 is engaged and connected to one side of the first gear 244, a rotation shaft 246 is mounted in the middle of the second gear 245, the bottom end of the rotation shaft 246 is rotatably connected to the inner bottom wall of the housing 221, a slot 247 is formed in the top end of the rotation shaft 246, and the hook 12 is inserted into the slot 247 of the rotation shaft 246.
Before the bearing is lifted, the hooks 12 on the two steel belts 11 are placed into the placing grooves 222 from the top of the shell 221, at this time, the hooks 12 are continuously moved down, the hooks 12 are inserted into the slots 247 of the rotating shaft 246, and then the two steel belts 11 are sleeved on the outer sides of the bearing.
At this time, the worm 241 is driven to rotate by the adjusting member 21, and in the process of rotation of the worm 241, the first gear 244 is driven to rotate by the rotating shaft 243 on the worm wheel 242, and the first gear 244 drives the rotating shaft 246 to rotate by the second gear 245, so as to tighten the steel belt 11 to clamp the bearing.
After the bearing is lifted, the rotating shaft 246 is rotated reversely, so that the steel belt 11 is loosened, the steel belt 11 is removed from the shell 221, the shell 221 is separated from the steel belt 11, and finally the steel belt 11 is pulled to be separated from the bearing, at the moment, the steel belt 11 can be directly separated from the main shaft, and the steel belt 11 does not need to move along the length direction of the main shaft, so that the steel belt 11 is separated from the main shaft more conveniently.
As shown in fig. 4, one side of one of the first gears 244 is engaged with a third gear 248, a screw 249 is mounted in the middle of the third gear 248, and the bottom end of the screw 249 is rotatably connected to the inner bottom wall of the housing 221.
As shown in fig. 1 and 3, the adjusting member 21 includes a fixed cylinder 211 mounted on one side of a housing 221, the fixed cylinder 211 is communicated with the housing 221, one end of the fixed cylinder 211 is rotatably connected with a rotating cylinder 212, one end of a worm 241 is mounted on an inner wall of the rotating cylinder 212, and the rotating cylinder 212 can drive the worm 241 to rotate.
As shown in fig. 1,3 and 4, the first pressing member 23 includes a threaded cylinder 231 screwed on the outside of the screw 249, the top end of the threaded cylinder 231 penetrates the top of the housing 221 and extends to the outside of the housing 221, both sides of the threaded cylinder 231 are provided with a limit bar 232, the housing 221 is provided with a groove for sliding the limit bar 232, and the top end of the threaded cylinder 231 is provided with a first pressing plate 233.
After the steel belt 11 is sleeved outside the bearing, the first pressing plate 233 falls to the top end of the bearing, and in the process of tightening the steel belt 11, the first gear 244 drives the screw rod 249 to rotate through the third gear 248, and at the moment, the screw rod 249 drives the first pressing plate 233 to move downwards through the thread cylinder 231 so as to press the inner ring of the bearing.
As shown in fig. 1, the connection assembly includes a connection member 31, a connection base 32, a second pressing member 33 and a movable member 34, the connection member 31 is installed on one side of the connection base 32, the second pressing member 33 is disposed on the top of the connection base 32, the movable member 34 is disposed on the connection base 32, and the other side of the connection base 32 is arc-shaped.
As shown in fig. 1 and 5, the connecting member 31 includes a connecting column 311 mounted on the connecting seat 32, a fixing column 312 is mounted at one end of the connecting column 311, and a hanging belt is respectively sleeved on the outer sides of the fixing cylinder 211 and the connecting column 311 to lift the bearing during lifting.
With continued reference to fig. 1 and 5, the second pressing member 33 includes a sliding rod 331 slidably connected to the top of the connection base 32, the bottom end of the sliding rod 331 penetrates through the top of the connection base 32 and extends into the connection base 32, the top end of the sliding rod 331 is provided with a second pressing plate 332, and the bottom end of the sliding rod 331 is hinged with a hinge plate 333 through a hinge base.
With continued reference to fig. 1 and 5, the movable member 34 includes movable blocks 341 respectively disposed on two sides of the connection base 32, two steel belts 11 are respectively mounted on one sides of the two movable blocks 341, a guide plate 342 is mounted on one side of the movable block 341, one end of the guide plate 342 is located inside the connection base 32, the guide plate 342 is hinged with the hinge plate 333 through the hinge base, a groove for sliding the guide plate 342 is formed in the connection base 32, and a second elastic member 343 is mounted between the two guide plates 342, in this embodiment, the second elastic member 343 is a spring, and in other embodiments, the second elastic member 343 is an elastic sheet.
In the process of tightening the steel belt 11, the steel belt 11 pulls the movable block 341 to move away from the connecting seat 32, and at this time, the connecting seat 32 drives the sliding rod 331 to move downwards through the hinge plate 333 on the guide plate 342, so that the second pressing plate 332 presses the inner ring of the bearing, and the second elastic member 343 is gradually stretched in the moving process of the movable block 341.
When the clamping of the bearing is released, the two steel belts 11 gradually push the movable block 341 to reset and be attached to the connecting seat 32, so that the second elastic piece 343 is reset, and the second pressing plate 332 moves upwards.
When the bearing is hoisted, the two steel belts 11 are sleeved on the outer sides of the bearing, then the rotating cylinder 212 is rotated, the rotating cylinder 212 drives the worm 241 to rotate at the moment, the rotating shaft 246 rotates and tightens the steel belts 11, when the steel belts 11 are tightened to the limit, the first pressing plate 233 and the second pressing plate 332 press the inner rings of the bearing, then the hanging belts are sleeved on the outer sides of the fixed cylinder 211 and the connecting column 311 respectively, and finally the crane is started to hoist the bearing, so that the bearing is sleeved on the main shaft.
When the bearing sleeve is arranged on the main shaft, the rotating cylinder 212 is reversely rotated, the rotating shaft 246 is used for discharging the steel belt 11, after the steel belt 11 is discharged to the limit, the shell 221 is downwards moved, the shell 221 is separated from the steel belt 11, then the steel belt 11 is pulled out of the bearing, the steel belt 11 can be taken down from the main shaft, and the steel belt 11 does not need to be moved to the end part of the main shaft, so that the steel belt 11 is taken out conveniently.
In order to overcome the above-mentioned disadvantages, the present invention provides a second embodiment in which the inner side of the steel strip 11 is easily rubbed against the outer side of the bearing during tightening or releasing of the steel strip 11 from the bearing, thereby damaging the inner side of the steel strip 11 or the outer side of the bearing.
As shown in fig. 6 and 7, a second embodiment of the present invention is different from the first embodiment in that a plurality of through grooves 13 are added on a steel strip 11, the through grooves 13 are distributed at equal intervals along the track of the steel strip 11, a first elastic member 14 is installed at the inner side of the through groove 13, in this embodiment, the first elastic member 14 is an elastic sheet, the first elastic member 14 is obliquely arranged and faces the inner side of the steel strip 11, two connecting sheets 15 are installed at one side of the first elastic member 14, the two connecting sheets 15 are arranged up and down and have a distance, and a connecting shaft 16 is rotatably connected between the two connecting sheets 15.
In the process of tightening the steel belt 11, the connecting shaft 16 is firstly contacted with the outer side of the bearing, at the moment, the friction between the steel belt 11 and the outer side of the bearing can be reduced through the rotation of the connecting shaft 16, when the steel belt 11 is tightened to the limit, the first elastic piece 14 and the connecting shaft 16 are extruded into the through groove 13 to clamp the bearing, in the process of taking down the steel belt 11, the extrusion force born by the first elastic piece 14 disappears, the first elastic piece 14 is reset, and the connecting shaft 16 is contacted with the outer side of the bearing again to reduce the friction between the steel belt 11 and the outer side of the bearing.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A large bearing hoist device, comprising:
Two steel belts (11) for clamping the outer ring of the bearing, wherein one end of each steel belt (11) is provided with a hook (12);
the connecting assembly is arranged between the two steel belts (11) to connect the two steel belts (11), and comprises a connecting piece (31), a connecting seat (32), a second pressing piece (33) and a movable piece (34);
The adjusting component is arranged on the outer side of the hooks (12) so as to tighten the steel belts (11), the adjusting component comprises an adjusting piece (21), a containing seat (22), a first pressing piece (23) and a transmission component (24), the containing seat (22) is arranged on the outer side of the two hooks (12), the adjusting piece (21) is arranged on one side of the containing seat (22), the first pressing piece (23) is arranged on the containing seat (22), the transmission component (24) is arranged in the containing seat (22), the transmission component (24) comprises a worm (241) arranged on the adjusting piece (21), two sides of the worm (241) are respectively connected with a worm wheel (242) in a meshed mode, a rotating shaft (243) is arranged on the worm wheel (242), a first gear (244) is arranged on the outer side of the rotating shaft (243), a second gear (245) is connected with one side of the first gear (244) in a meshed mode, a rotating shaft (246) is arranged on the second gear (245), a rotating shaft (246) is arranged on the rotating shaft (246), and a slot (247) is arranged in the slot (247) in the slot (12).
2. The large-scale bearing hoisting device according to claim 1, wherein the receiving seat (22) comprises a shell (221) mounted on the adjusting piece (21), one side of the shell (221) is arc-shaped, both sides of the top of the shell (221) are provided with placing grooves (222), the placing grooves (222) are matched with the hooks (12), and both sides of the shell (221) are provided with passing grooves (223).
3. The large-scale bearing lifting device according to claim 2, wherein the adjusting member (21) comprises a fixed cylinder (211) mounted on one side of the housing (221), one end of the fixed cylinder (211) is rotatably connected with a rotating cylinder (212), and one end of the worm (241) is mounted on the inner wall of the rotating cylinder (212).
4. The large bearing hoisting device according to claim 2, wherein one side of one of the first gears (244) is connected with a third gear (248) in a meshed manner, and a screw (249) is installed in the middle of the third gear (248).
5. The large-scale bearing hoisting device according to claim 4, wherein the first pressing piece (23) comprises a threaded cylinder (231) which is in threaded connection with the outer side of the screw rod (249), limit strips (232) are arranged on two sides of the threaded cylinder (231), a groove for sliding the limit strips (232) is formed in the shell (221), and a first pressing plate (233) is arranged at the top end of the threaded cylinder (231).
6. The large bearing hoisting device according to claim 5, wherein the connecting piece (31) comprises a connecting column (311) mounted on a connecting seat (32), and a fixing column (312) is mounted at one end of the connecting column (311).
7. The large bearing hoisting device according to claim 6, wherein the second pressing piece (33) comprises a sliding rod (331) slidably connected to the top of the connecting seat (32), a second pressing plate (332) is installed at the top end of the sliding rod (331), and a hinge plate (333) is hinged to the bottom end of the sliding rod (331).
8. The large-scale bearing lifting device according to claim 6, wherein the movable member (34) comprises movable blocks (341) respectively arranged at two sides of the connecting seat (32), one side of each movable block (341) is provided with a guide plate (342), the guide plates (342) are hinged with the hinged plates (333), and a second elastic member (343) is arranged between the two guide plates (342).
9. The large-scale bearing hoisting device according to claim 8, wherein the steel belt (11) is provided with a plurality of through grooves (13), the through grooves (13) are distributed at equal intervals along the track of the steel belt (11), and the inner side of the through grooves (13) is provided with a first elastic piece (14).
10. The large bearing hoisting device according to claim 9, characterized in that two connecting pieces (15) are mounted on one side of the first elastic piece (14), and a connecting shaft (16) is rotatably connected between the two connecting pieces (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410410897.9A CN118004876B (en) | 2024-04-08 | 2024-04-08 | Large-scale bearing hoist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410410897.9A CN118004876B (en) | 2024-04-08 | 2024-04-08 | Large-scale bearing hoist device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118004876A true CN118004876A (en) | 2024-05-10 |
| CN118004876B CN118004876B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410410897.9A Active CN118004876B (en) | 2024-04-08 | 2024-04-08 | Large-scale bearing hoist device |
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| Country | Link |
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| CN (1) | CN118004876B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0020820A1 (en) * | 1979-06-29 | 1981-01-07 | Ballast-Nedam Groep N.V. | Anchor pile hoisting device |
| EP1367020A2 (en) * | 2002-05-31 | 2003-12-03 | WYSSMANN, Max | Device for holding and manipulating a preferably cylindrical body |
| CN105502155A (en) * | 2015-12-31 | 2016-04-20 | 上海振华重工集团(南通)传动机械有限公司 | Hot-jacket large-scale bearing clamping tool |
| CN205709468U (en) * | 2016-06-24 | 2016-11-23 | 中国石油集团西部钻探工程有限公司 | Radial bearing suspender belt |
| CN212668938U (en) * | 2020-04-12 | 2021-03-09 | 陈灵明 | Large-scale bearing hoist and mount holder |
-
2024
- 2024-04-08 CN CN202410410897.9A patent/CN118004876B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0020820A1 (en) * | 1979-06-29 | 1981-01-07 | Ballast-Nedam Groep N.V. | Anchor pile hoisting device |
| EP1367020A2 (en) * | 2002-05-31 | 2003-12-03 | WYSSMANN, Max | Device for holding and manipulating a preferably cylindrical body |
| CN105502155A (en) * | 2015-12-31 | 2016-04-20 | 上海振华重工集团(南通)传动机械有限公司 | Hot-jacket large-scale bearing clamping tool |
| CN205709468U (en) * | 2016-06-24 | 2016-11-23 | 中国石油集团西部钻探工程有限公司 | Radial bearing suspender belt |
| CN212668938U (en) * | 2020-04-12 | 2021-03-09 | 陈灵明 | Large-scale bearing hoist and mount holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118004876B (en) | 2024-06-14 |
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