CN220578682U - Novel bridge crane disk crane rotary lifting tool balance arm device - Google Patents
Novel bridge crane disk crane rotary lifting tool balance arm device Download PDFInfo
- Publication number
- CN220578682U CN220578682U CN202321896274.4U CN202321896274U CN220578682U CN 220578682 U CN220578682 U CN 220578682U CN 202321896274 U CN202321896274 U CN 202321896274U CN 220578682 U CN220578682 U CN 220578682U
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- Prior art keywords
- rotating shaft
- balance arm
- crane
- hole
- rectangular positioning
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- 238000005299 abrasion Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model discloses a novel balance arm device of a rotary lifting appliance of a bridge crane disk crane, which comprises a balance arm and a balance arm bracket, wherein a rotating shaft hole is formed in the center of the balance arm, a rotating shaft structure is arranged in the rotating shaft hole, the rotating shaft structure comprises a rotating shaft, two ends of the rotating shaft extend to the outer ends of through holes reserved in the balance arm bracket, rectangular positioning grooves are formed in the upper ends and the lower ends of the rotating shaft extending to the outer ends of the through holes, and a baffle plate is clamped in each rectangular positioning groove. The device changes the limit clamping groove at one side of the rotating shaft into the rectangular positioning groove, then clamps the stop plate into the rectangular positioning groove, and at the moment, the rotating shaft can be fixed on the balance arm support through the double limiting function of the stop plate and the stop plate, so that the abrasion to the balance arm and the balance arm support during supporting is reduced; meanwhile, the bearing is additionally arranged in the rotating shaft hole, so that the rotation is more stable, the abrasion between the balance arm and the rotating shaft can be reduced, and the service life of the balance arm is prolonged.
Description
Technical Field
The utility model belongs to the technical field of bridge crane accessories, and particularly relates to a novel balance arm device of a rotary lifting appliance of a disk crane of a bridge crane.
Background
The bridge crane is an important auxiliary facility used as a series of cooperation steel rolling processes such as raw material feeding, ground overhaul, finished product outgoing and the like, and in the working of a multi-wire rope winding lifting mechanism, the actual lengths of the wire ropes are different due to different working states of each wire rope, so that the balance arm device is arranged at the joint of the wire ropes in order to compensate the lengths among the wire ropes and further to keep the stability of a lifting appliance and a heavy object.
In the related art, reference may be made to chinese patent publication No. CN215229643U, specifically discloses a balance arm device for a crane, which includes a mounting base and a balance arm rotatably mounted on the mounting base around a rotation shaft extending in a front-rear direction. When the crane balance arm device is used, the mounting seat of the crane balance arm device is fixed on the crane trolley frame through the bolts, when the crane lifts a heavy object, the sizes of the steel wire rope pulling forces on two sides are inconsistent, when the steel wire rope is inclined in the lifting process, the balance arm rotates leftwards or rightwards relative to the mounting seat, the self-lubricating bearing is arranged on the rotating shaft, abrasion between the balance arm and the rotating shaft can be reduced, and the service life of the balance arm is prolonged.
Aiming at the related technical scheme, the applicant finds that the original balance arm shaft limit clamping groove is annular in actual use, can turn during field use, abrade the balance arm part and the balance arm support during turning, and influences the whole service life.
In view of the above, a novel balance arm device of a rotary lifting appliance of a disk crane of a bridge crane is provided.
Disclosure of Invention
The utility model aims at: in order to solve the problems, the novel balance arm device of the rotary lifting appliance of the disc crane of the bridge crane is provided.
The technical scheme adopted by the utility model is as follows: the novel balance arm device of the rotary lifting appliance of the bridge crane disk crane comprises a balance arm and a balance arm bracket, wherein a rotating shaft hole is formed in the center of the balance arm, and a rotating shaft structure is arranged in the rotating shaft hole;
the rotating shaft structure comprises a rotating shaft, two ends of the rotating shaft extend to the outer ends of through holes reserved on the balance arm support, rectangular positioning grooves are formed in the upper ends and the lower ends of the rotating shaft extending to the outer ends of the through holes, stop plates are clamped in the rectangular positioning grooves, and the stop plates are fixed on the balance arm support through fixing bolts;
the bearing is fixedly arranged in the rotating shaft hole of the balance arm, and the rotating shaft is rotationally assembled in the bearing.
In a preferred embodiment, the upper end of the bearing is provided with an oil filling hole with a nozzle cap.
In a preferred embodiment, a hole for filling oil is formed in the upper balance arm right above the oil filling hole.
In a preferred embodiment, a baffle disc is fixedly arranged at the other end of the rotating shaft, and the diameter of the baffle disc is larger than that of the through hole.
In a preferred embodiment, the two ends of the balance arm are provided with mounting holes.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the limit clamping groove at one side of the rotating shaft is replaced by the rectangular positioning groove, then the stop plate is clamped into the rectangular positioning groove, at the moment, the rotating shaft can be fixed on the balance arm support through the double limiting function of the stop plate and the stop plate, the rotation phenomenon can not occur, the rotating shaft is more stable during use, and the abrasion of the rotating shaft to the balance arm and the balance arm support during support is reduced.
2. In the utility model, the bearing is additionally arranged in the rotating shaft hole, so that the rotation is more stable, the abrasion between the balance arm and the rotating shaft can be reduced, and the service life of the balance arm is prolonged.
Drawings
FIG. 1 is a schematic view of the overall planar structure of the present utility model;
fig. 2 is a schematic plan view of the structure of the transfer shaft of the present utility model.
The marks in the figure: 1-mounting holes, 2-balance arms, 3-bearings, 4-rotating shaft structures, 401-baffle plates, 402-rotating shafts, 403-rectangular positioning grooves, 5-baffle plates, 6-fixing bolts and 7-balance arm supports.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-2, a novel bridge crane disk crane rotary lifting tool balance arm device comprises a balance arm 2 and a balance arm bracket 7, wherein a rotating shaft hole is formed in the center of the balance arm 2, a rotating shaft structure 4 is arranged in the rotating shaft hole, the rotating shaft structure 4 comprises a rotating shaft 402, a bearing 3 is fixedly arranged in the rotating shaft hole of the balance arm 2, the rotating shaft 402 is rotationally assembled in the bearing 3, the bearing 3 is additionally arranged in the rotating shaft hole, the rotating shaft 402 can rotate more stably, the additionally arranged bearing 3 can reduce abrasion between the balance arm 2 and the rotating shaft 402, and the service life of the balance arm 2 and the rotating shaft 402 is prolonged.
Referring to fig. 1 and 2, two ends of a rotating shaft 402 extend to the outer ends of through holes reserved on a balance arm support 7, rectangular positioning grooves 403 are formed in the upper end and the lower end of the rotating shaft 402 extending to the outer ends of the through holes, stop plates 5 are clamped in the rectangular positioning grooves 403, the stop plates 5 are fixed on the balance arm support 7 through fixing bolts 6, a stop disc 401 is fixedly arranged at the other end of the rotating shaft 402, the diameter of the stop disc 401 is larger than that of the through holes, an annular limiting clamping groove at one side of the rotating shaft 402 is replaced by the rectangular positioning grooves 403, then the stop plates 5 are clamped into the rectangular positioning grooves 403, at the moment, the rotating shaft 402 can be fixed on the balance arm support 7 through double limiting functions of the stop plates 5 and the stop discs 401, and abrasion during supporting of the balance arm 2 and the balance arm support 7 is reduced.
In this embodiment, mounting holes 1 are formed at both ends of the balance arm 2, and a hanging shaft (not shown) for winding a wire rope is disposed in the mounting holes 1.
In this embodiment, the upper end of the bearing 3 is provided with an oil filling hole with a nozzle cap 301, a hole meeting the oil filling requirement is formed on the upper balance arm 2 directly above the oil filling hole, and the nozzle cap 301 is unscrewed upwards, so that lubricating oil can be added into the bearing 3 along the oil filling hole, the rotation effect of the rotating shaft 402 can be improved, and meanwhile, the overall abrasion is reduced.
The annular limiting clamping groove on one side of the rotating shaft 402 is replaced by the rectangular positioning groove 403, then the stop plate 5 is clamped into the rectangular positioning groove 403, at the moment, the rotating shaft 402 can be fixed on the balance arm support 7 through the double limiting function of the stop plate 5 and the stop plate 401, and abrasion when the balance arm 2 and the balance arm support 7 are supported is reduced.
Meanwhile, the bearing 3 is additionally arranged in the rotating shaft hole, so that the rotating shaft 402 can rotate more stably, the additionally arranged bearing 3 can reduce abrasion between the balance arm 2 and the rotating shaft 402, and the service lives of the balance arm 2 and the rotating shaft 402 are prolonged.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a novel bridge crane disk hangs rotatory hoist balance arm device, includes balance arm (2) and balance arm support (7), its characterized in that: a rotating shaft hole is formed in the center of the balance arm (2), and a rotating shaft structure (4) is arranged in the rotating shaft hole;
the rotating shaft structure (4) comprises a rotating shaft (402), two ends of the rotating shaft (402) extend to the outer ends of through holes reserved on the balance arm support (7), rectangular positioning grooves (403) are formed in the upper ends and the lower ends of the rotating shaft (402) extending to the outer ends of the through holes, stop plates (5) are clamped in the rectangular positioning grooves (403), and the stop plates (5) are fixed on the balance arm support (7) through fixing bolts (6);
the bearing (3) is fixedly installed in a rotating shaft hole of the balance arm (2), and the rotating shaft (402) is rotatably assembled in the bearing (3).
2. The novel bridge crane disk crane rotary sling balancing arm assembly of claim 1, wherein: the upper end of the bearing (3) is provided with an oil filling hole with an oil nozzle cap (301).
3. The novel bridge crane disk crane rotary sling balancing arm assembly of claim 2, wherein: and a hole meeting oiling is formed in the upper balance arm (2) right above the oil filling hole.
4. The novel bridge crane disk crane rotary sling balancing arm assembly of claim 1, wherein: the other end of the rotating shaft (402) is fixedly provided with a baffle disc (401), and the diameter of the baffle disc (401) is larger than that of the through hole.
5. The novel bridge crane disk crane rotary sling balancing arm assembly of claim 1, wherein: mounting holes (1) are formed in two ends of the balance arm (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896274.4U CN220578682U (en) | 2023-07-18 | 2023-07-18 | Novel bridge crane disk crane rotary lifting tool balance arm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896274.4U CN220578682U (en) | 2023-07-18 | 2023-07-18 | Novel bridge crane disk crane rotary lifting tool balance arm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220578682U true CN220578682U (en) | 2024-03-12 |
Family
ID=90111532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321896274.4U Active CN220578682U (en) | 2023-07-18 | 2023-07-18 | Novel bridge crane disk crane rotary lifting tool balance arm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220578682U (en) |
-
2023
- 2023-07-18 CN CN202321896274.4U patent/CN220578682U/en active Active
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