CN220318386U - Bridge girder erection machine with adjustable height - Google Patents
Bridge girder erection machine with adjustable height Download PDFInfo
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- CN220318386U CN220318386U CN202323339030.9U CN202323339030U CN220318386U CN 220318386 U CN220318386 U CN 220318386U CN 202323339030 U CN202323339030 U CN 202323339030U CN 220318386 U CN220318386 U CN 220318386U
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- height
- bridge girder
- erection machine
- girder erection
- lifting
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- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a height-adjustable bridge girder erection machine which comprises an end girder, wherein a joist is arranged at the bottom of the end girder, a traveling wheel group and a traveling driving component for driving the traveling wheel group to rotate are arranged at the bottom of the joist, a sleeve is arranged in the joist, a supporting seat is fixedly arranged at the bottom end of the sleeve, a lifting girder is sleeved in the sleeve in a sliding manner, a roller wheel assembly is arranged at the upper end of the lifting girder, a lifting hydraulic cylinder for driving the lifting girder to move up and down is arranged in the supporting seat, locking holes are uniformly formed in the side surface of the sleeve, and a locking mechanism matched with the locking holes is arranged in the lifting girder; according to the utility model, the lifting hydraulic cylinder drives the lifting beam to move up and down in the sleeve, so that the height of the lifting beam is adjusted, after the adjustment is finished, the locking mechanism is matched with the locking hole to lock the sleeve and the lifting beam, so that the bridge girder erection machine can stably maintain the adjusted height, manual intervention is basically not required in the adjustment process, the manpower expenditure is reduced, and the adjustment time is shortened.
Description
Technical Field
The utility model belongs to the technical field of bridge girder erection machines, and particularly relates to a height-adjustable bridge girder erection machine.
Background
The bridge girder erection machine is equipment for placing prefabricated girder segments on prefabricated piers. In the construction process of the bridge girder erection machine, the heights of the supporting legs of the bridge girder erection machine are required to be adjusted in order to meet different construction requirements.
In the prior art, for example, the Chinese patent publication No. CN212983617U discloses a bridge girder erection machine with adjustable supporting leg heights, which is characterized in that the supporting leg heights of the bridge girder erection machine are adjusted by replacing heightened knots with different heights; further, for example, in the chinese patent publication No. CN213804930U, a lifting middle support device for a bridge girder erection machine is disclosed, in which the height of the upper end of the telescopic girder extending out of the sleeve is adjusted by adjusting the vertical position of the telescopic girder in the sleeve, so as to adjust the height of the bridge girder erection machine.
Among the above-mentioned prior art, all need cooperate lifting equipment to lift its upper portion, then the manual work carries out the replacement of increasing the festival, or the cartridge of round pin axle, and the adjustment process needs manual intervention and comparatively loaded down with trivial details, consumes more time, influences the efficiency of construction.
Therefore, it is necessary to design a height-adjustable bridge girder erection machine which reduces manual intervention and shortens adjustment time to solve the technical problems faced at present.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the height-adjustable bridge girder erection machine which reduces manual intervention and shortens adjustment time.
The technical scheme of the utility model is as follows: the utility model provides a bridge girder erection machine of adjustable height, includes the end beam, the bottom of end beam is provided with the joist, the bottom of joist is provided with walking wheelset and drive walking wheelset pivoted walking drive part, the inside of joist is provided with the sleeve, telescopic bottom mounting is provided with the supporting seat, telescopic inside slip cap is equipped with the lift beam, the upper end of lift beam is provided with roller assembly, the inside of supporting seat is provided with the drive the lift pneumatic cylinder of lift beam reciprocates, the locking hole has evenly been seted up to telescopic side, the inside of lift beam be provided with locking hole matched with locking mechanism.
The lifting beam is characterized in that a supporting plate is fixedly arranged in the lifting beam, the locking mechanism is provided with a gear which is rotatably arranged on the supporting plate and a hydraulic motor which drives the gear to rotate, racks meshed with the gears are slidably arranged on two sides of the gear, and bolts corresponding to the locking holes are fixedly arranged at the end parts of the racks.
The top of layer board is fixed to be provided with the fixing base, hydraulic motor is fixed to be set up on the fixing base, the rack slides and sets up the inside of fixing base.
The outer side of the plug is sleeved with a guide pipe in a sliding mode, and the guide pipe is fixedly arranged at the top of the supporting plate.
One end of the plug is fixedly connected with the end part of the rack through a connecting rod, and the other end of the plug is provided with a chamfer.
The top of the supporting plate on two sides of the connecting rod is provided with a first proximity switch and a second proximity switch which are matched with the connecting rod.
The bottom fixing of lift pneumatic cylinder is in the inside of supporting seat, the top of lift pneumatic cylinder with the bottom fixed connection of layer board.
The support plate is provided with a distance measuring sensor, and the distance measuring sensor is used for detecting the distance between the support plate and the bottom in the support seat.
The utility model has the beneficial effects that: according to the utility model, the lifting hydraulic cylinder drives the lifting beam to move up and down in the sleeve, so that the height of the lifting beam is adjusted, after the adjustment is finished, the locking mechanism is matched with the locking hole to lock the sleeve and the lifting beam, so that the bridge girder erection machine can stably maintain the adjusted height, manual intervention is basically not required in the adjustment process, the manpower expenditure is reduced, and the adjustment time is shortened.
Drawings
FIG. 1 is a schematic diagram of a height-adjustable bridge girder erection machine according to the present utility model.
Fig. 2 is a schematic structural view of the locking mechanism in the present utility model.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, the height-adjustable bridge girder erection machine comprises an end girder 1, a joist 2 is arranged at the bottom of the end girder 1, a walking wheel set 3 and a walking driving component 31 for driving the walking wheel set 3 to rotate are arranged at the bottom of the joist 2, a sleeve 5 is arranged in the joist 2, a supporting seat 6 is arranged at the bottom end of the sleeve 5 in a fixed manner, a lifting girder 8 is sleeved in the sleeve 5 in a sliding manner, the lifting girder 8 can slide up and down in the sleeve 5 in the vertical direction, a roller component 9 is arranged at the upper end of the lifting girder 8, a lifting hydraulic cylinder 7 for driving the lifting girder 8 to move up and down is arranged in the supporting seat 6, a locking hole 51 is uniformly formed in the side surface of the sleeve 5, and a locking mechanism 4 matched with the locking hole 51 is arranged in the lifting girder 8; in this embodiment, the lifting beam 8 is driven to move up and down in the sleeve 5 by the lifting hydraulic cylinder 7, so that the height of the lifting beam 8 is adjusted, after the adjustment is finished, the locking mechanism 4 is matched with the locking hole 51 to lock the sleeve 5 and the lifting beam 8, so that the bridge girder erection machine can stably maintain the adjusted height, manual intervention is not needed basically in the adjustment process, the manpower expenditure is reduced, and the adjustment time is shortened.
In some embodiments, a supporting plate 81 is fixedly arranged in the lifting beam 8, the lifting beam 8 is of a hollow structure, the periphery of the supporting plate 81 is welded and fixed with the inside of the lifting beam 8, as shown in fig. 2, the locking mechanism 4 is provided with a gear 45 rotatably arranged on the supporting plate 81 and a hydraulic motor 47 for driving the gear 45 to rotate, racks 43 meshed with the gears 45 are slidably arranged on two sides of the gear 45, and plugs 41 corresponding to the locking holes 51 are fixedly arranged at the ends of the racks 43; the hydraulic motor 47 drives the gear 45 to reciprocate, so as to drive the rack 43 meshed with the gear 45 to reciprocate, and further drive the plug 41 at the end part of the rack 43 to reciprocate, so that the plug 41 is inserted into the locking hole 51 to lock the lifting beam 8 and the sleeve 5, or the plug 41 is pulled out from the locking hole 51 to release the lifting beam 8 and the sleeve 5.
In some embodiments, the top of the supporting plate 81 is fixedly provided with a fixing seat 46, the fixing seat 46 is in a door-shaped structure, two ends of the fixing seat 46 are welded and fixed on the top of the supporting plate 81, the hydraulic motor 47 is fixedly arranged on the fixing seat 46, the hydraulic motor 47 is supported by the fixing seat 46, the rack 43 is slidably arranged in the fixing seat 46, and the inner side of the fixing seat 46 provides sliding guide for the rack 43.
In some embodiments, to improve the stability of the movement of the plug 41, the outer side of the plug 41 is slidably sleeved with a guide tube 42, and the guide tube 42 is fixedly arranged on the top of the supporting plate 81; specifically, the conduit 42 is welded to the top of the pallet 81, and the conduit 42 provides sliding guidance for the plug 41.
In some embodiments, one end of the plug 41 is fixedly connected with the end of the rack 43 through the connecting rod 44, two ends of the connecting rod 44 are respectively and vertically connected with the end of the plug 41 and the end of the rack 43 into an integral structure, the other end of the plug 43 is provided with a chamfer 411, and the area of the end of the plug 41 is reduced by providing the chamfer 411, so that the plug 41 is conveniently inserted into the locking hole 51.
In some embodiments, the top of the supporting plate 81 on both sides of the connecting rod 44 is provided with a first proximity switch 48 and a second proximity switch 49 matched with the connecting rod 44; when the plug 41 is inserted into the locking hole 51, the connecting rod 44 just triggers the first proximity switch 48, and just triggers the second proximity switch 49 after the plug 41 is completely withdrawn from the locking hole 51, and the triggering states of the first proximity switch 48 and the second proximity switch 49 are obtained through the controller to be linked with the hydraulic motor 47, so that more accurate position control of the plug 41 is realized.
In some embodiments, the bottom end of the lifting hydraulic cylinder 7 is fixedly arranged inside the supporting seat 6, and the top end of the lifting hydraulic cylinder 7 is fixedly connected with the bottom of the supporting plate 81; further, a distance measuring sensor 82 is arranged on the supporting plate 81, the distance measuring sensor 82 is used for detecting the distance between the supporting plate and the inner bottom of the supporting seat 6, and the distance between the distance measuring sensor 82 and the inner bottom of the supporting seat 6 when the plug 41 corresponds to the locking holes 51 with different heights is measured and recorded, so that the position of the supporting plate 81 can be automatically adjusted according to the feedback distance value of the distance measuring sensor 82 during height adjustment, and the locking mechanism 4 corresponds to the locking hole 51 with the required height.
Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The utility model provides a but height-adjusting's bridge crane which characterized in that: including the end beam, the bottom of end beam is provided with the joist, the bottom of joist is provided with walking wheelset and drive walking wheelset pivoted walking drive part, the inside of joist is provided with the sleeve, telescopic bottom mounting is provided with the supporting seat, telescopic inside slip cover is equipped with the lift beam, the upper end of lift beam is provided with roller assembly, the inside of supporting seat is provided with the drive the lift pneumatic cylinder of lift beam reciprocates, the locking hole has evenly been seted up to telescopic side, the inside of lift beam be provided with locking hole matched with locking mechanism.
2. The height-adjustable bridge girder erection machine according to claim 1, wherein: the lifting beam is characterized in that a supporting plate is fixedly arranged in the lifting beam, the locking mechanism is provided with a gear which is rotatably arranged on the supporting plate and a hydraulic motor which drives the gear to rotate, racks meshed with the gears are slidably arranged on two sides of the gear, and bolts corresponding to the locking holes are fixedly arranged at the end parts of the racks.
3. The height-adjustable bridge girder erection machine according to claim 2, wherein: the top of layer board is fixed to be provided with the fixing base, hydraulic motor is fixed to be set up on the fixing base, the rack slides and sets up the inside of fixing base.
4. The height-adjustable bridge girder erection machine according to claim 2, wherein: the outer side of the plug is sleeved with a guide pipe in a sliding mode, and the guide pipe is fixedly arranged at the top of the supporting plate.
5. The height-adjustable bridge girder erection machine according to claim 2, wherein: one end of the plug is fixedly connected with the end part of the rack through a connecting rod, and the other end of the plug is provided with a chamfer.
6. The height-adjustable bridge girder erection machine according to claim 5, wherein: the top of the supporting plate on two sides of the connecting rod is provided with a first proximity switch and a second proximity switch which are matched with the connecting rod.
7. The height-adjustable bridge girder erection machine according to claim 2, wherein: the bottom fixing of lift pneumatic cylinder is in the inside of supporting seat, the top of lift pneumatic cylinder with the bottom fixed connection of layer board.
8. The height-adjustable bridge girder erection machine according to claim 2, wherein: the support plate is provided with a distance measuring sensor, and the distance measuring sensor is used for detecting the distance between the support plate and the bottom in the support seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323339030.9U CN220318386U (en) | 2023-12-08 | 2023-12-08 | Bridge girder erection machine with adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323339030.9U CN220318386U (en) | 2023-12-08 | 2023-12-08 | Bridge girder erection machine with adjustable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220318386U true CN220318386U (en) | 2024-01-09 |
Family
ID=89424586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323339030.9U Active CN220318386U (en) | 2023-12-08 | 2023-12-08 | Bridge girder erection machine with adjustable height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220318386U (en) |
-
2023
- 2023-12-08 CN CN202323339030.9U patent/CN220318386U/en active Active
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