CN220598177U - Temporary supporting leg for bridge girder erection machine - Google Patents
Temporary supporting leg for bridge girder erection machine Download PDFInfo
- Publication number
- CN220598177U CN220598177U CN202322107997.8U CN202322107997U CN220598177U CN 220598177 U CN220598177 U CN 220598177U CN 202322107997 U CN202322107997 U CN 202322107997U CN 220598177 U CN220598177 U CN 220598177U
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- erection machine
- bridge girder
- girder erection
- supporting
- supporting frame
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- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model provides a temporary supporting leg for a bridge girder erection machine, and belongs to the technical field of bridge girder erection machines; the supporting leg comprises two opposite supporting frame bodies which are used for being arranged on two sides of a girder of the bridge girder erection machine respectively, the tops of the two supporting frame bodies are connected through a width adjusting structure and used for adjusting the distance between the two supporting frame bodies, clamping convex blocks are respectively arranged on opposite positions of the inner sides of the two supporting frame bodies, and the two clamping convex blocks clamp or loosen the girder of the bridge girder erection machine from two sides under the driving of the width adjusting structure; through the cooperation setting of width adjustment structure and centre gripping lug, adjust the distance between two support bodies, can change the holistic width of landing leg, more conveniently install the support body on the bridge crane girder, and then more conveniently support the support body and carry out position adjustment on the girder, realize that the bridge crane is with interim support leg location installation on the girder fast, satisfy the quick operation demand.
Description
Technical Field
The utility model relates to the technical field of bridge girder erection machines, in particular to a temporary supporting leg for a bridge girder erection machine.
Background
The bridge girder erection machine is the equipment for placing the prefabricated girder segments on the prefabricated bridge piers, and belongs to the field of cranes, because the bridge girder erection machine has the main functions of lifting the girder segments, then transporting the girder segments to a designated position and then putting down the girder segments, the bridge girder erection machine is quite different from a crane in a general sense, has strict requirements, and has the advantages that the girder segments run on or are called to longitudinally move, and the bridge girder erection machine is divided into a plurality of types of road bridges, conventional railway bridges, passenger special railway bridges and the like.
In the existing bridge girder erection machine, temporary supporting legs are hung on a girder generally and are fixedly installed, when the span of the girder is changed greatly, the installation positions of the temporary supporting legs need to be changed, most of the temporary supporting legs are directly hung on the whole body of the temporary supporting legs through a crane, but the supporting frame body of the temporary supporting legs cannot adjust the width, sometimes the lifting machine is limited by a site, the whole body is inconvenient to hang, the supporting frame body needs to be disassembled and assembled, the operation is complex, the positioning installation on the girder of the bridge girder erection machine cannot be carried out quickly, and the requirement of quick operation cannot be met; in addition, when the bridge girder erection machine hoists the girder sheet, the running gravity center is high, the axle weight is large, the contact area between the temporary supporting leg for the bridge girder erection machine and the bridge deck is small, the overall stability is easily affected, and the overturning is easily generated.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The utility model aims to provide a temporary supporting leg for a bridge girder erection machine, which solves the technical problems that the temporary supporting leg for the bridge girder erection machine cannot be rapidly positioned and installed when the installation position of the temporary supporting leg for the bridge girder erection machine is changed on a girder of the bridge girder erection machine in the prior art, the contact area between the temporary supporting leg for the bridge girder erection machine and a bridge deck is small, and the whole is unstable.
In order to achieve the above object, the present utility model provides the following technical solutions:
the temporary supporting leg for the bridge girder erection machine is characterized by comprising two supporting frame bodies which are oppositely arranged and used for being respectively arranged on two sides of a girder of the bridge girder erection machine, wherein the tops of the two supporting frame bodies are connected through a width adjusting structure and used for adjusting the distance between the two supporting frame bodies, clamping protruding blocks are respectively arranged at opposite positions on the inner sides of the two supporting frame bodies, and the two clamping protruding blocks clamp or loosen the girder of the bridge girder erection machine from two sides under the driving of the width adjusting structure.
Preferably, the width adjustment structure comprises a fixed cylinder with two open ends, a telescopic assembly is arranged in the fixed cylinder, the telescopic assembly stretches out and draws back from the two ends of the fixed cylinder, and the two ends of the width adjustment structure are connected with the two support frame bodies through the telescopic assembly.
Preferably, the telescopic assembly comprises two hydraulic rods, two push rods and a connecting plate, wherein the two hydraulic rods are fixedly connected in the fixed cylinder, the hydraulic rods are fixedly connected with the push rods, one ends of the push rods extending out of the fixed cylinder are fixedly connected with the connecting plate, and the connecting plate is fixedly connected with the supporting frame body.
Preferably, one side of the fixed cylinder is provided with a viewing window structure.
Preferably, each of the support frame bottoms is provided with an auxiliary support assembly for increasing stability of the support frame.
Preferably, the auxiliary support assembly comprises auxiliary legs hinged to the support frame.
Preferably, the support assembly further comprises a support connecting rod for guaranteeing connection stability of the support auxiliary supporting leg, one end of the support connecting rod is hinged with the support frame body, and the other end of the support connecting rod is detachably connected with the auxiliary supporting leg.
Preferably, the bottom of each supporting frame body is further provided with an auxiliary moving structure.
Preferably, the auxiliary moving structure comprises a fixing frame, the fixing frame is detachably connected with the support frame body, and the bottom of the fixing frame is rotatably provided with rollers.
Preferably, one of the two opposite positions of the fixing frame is provided with a convex block, the other is provided with a groove matched with the convex block, and the groove is in butt joint with the convex block to ensure the integrity of the two supporting frame bodies in the moving process.
The beneficial effects are that: through the cooperation setting of width adjustment structure and centre gripping lug, adjust the distance between two support bodies, can change the holistic width of landing leg, more conveniently install the support body on the bridge crane girder, and then more conveniently support the support body and carry out position adjustment on the girder, realize that the bridge crane is with interim support leg location installation on the girder fast, satisfy the quick operation demand.
Meanwhile, the temporary supporting leg for the bridge girder erection machine can effectively increase the contact area between the supporting frame body and the bridge deck and the stability of the supporting frame body by being provided with the auxiliary supporting component, so that the bridge girder erection machine is ensured to be more stable when the lifting girder piece of the bridge girder erection machine runs.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:
FIG. 1 is a schematic view of the overall structure of a temporary leg for a bridge girder erection machine according to the present utility model;
FIG. 2 is an exploded view of the mounting bracket of the present utility model;
FIG. 3 is a schematic view of a stationary drum according to the present utility model;
fig. 4 is an exploded view of the structure of the fixing cylinder of the present utility model.
In the figure: 1. supporting feet; 2. a connecting piece; 3. clamping the protruding blocks; 4. a mounting frame; 5. a fixed cylinder; 6. a fixing groove; 7. a baffle; 8. a hydraulic rod; 9. a push rod; 10. a connecting plate; 11. a guard board; 12. a transparent plate; 13. an auxiliary leg; 14. a support link; 15. a plug pin; 16. a fixing frame; 17. a bracket; 18. and a roller.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in fig. 1-4, the utility model provides a temporary supporting leg for a bridge girder erection machine, which comprises two oppositely arranged supporting frame bodies, wherein the supporting frame bodies are respectively arranged at two sides of a girder of the bridge girder erection machine, the tops of the two supporting frame bodies are connected through a width adjusting structure and are used for adjusting the distance between the two supporting frame bodies, and the whole supporting frame body is formed by sequentially and fixedly connecting supporting legs 1, connecting pieces 2, clamping protruding blocks 3 and a mounting frame 4 from low to high. The clamping convex blocks 3 on the two support frames are symmetrically arranged and respectively protrude towards the inner sides of the support frames, and the two clamping convex blocks 3 clamp or loosen the girder of the bridge girder erection machine from two sides under the drive of the width adjusting structure, so that the support frames are more conveniently installed on the girder of the bridge girder erection machine.
The width adjustment structure comprises a fixed cylinder 5 with two open ends, a telescopic component is arranged in the fixed cylinder 5, the telescopic component stretches out and draws back from the two ends of the fixed cylinder 5, and the two ends of the width adjustment structure are connected with two support frame bodies through the telescopic component.
The telescopic assembly comprises two hydraulic rods 8, push rods 9 and connecting plates 10, wherein the hydraulic rods 8 are fixedly connected together through baffle plates 7, the baffle plates 7 are clamped and fixed in the fixed cylinder 5, the other end of each hydraulic rod 8 is fixedly connected with the push rod 9, one end of each push rod 9, which extends out of the fixed cylinder 5, is fixedly connected with the two connecting plates 10, and the other surface of each connecting plate 10 is fixedly connected with the mounting frame 4 on each supporting frame body through bolts.
In order to facilitate the working condition of the hydraulic rod 8 to be observed by workers, one side of the fixed cylinder 5 is provided with an observation window structure, and the concrete structure of the observation window structure comprises a fixed groove 6 formed in one side of the fixed cylinder 5, a guard plate 11 and a transparent plate 12, wherein the transparent plate 12 is detachably connected to the outer side of the fixed groove 6 through the guard plate 11, and meanwhile, the fixed groove 6 is arranged to facilitate the installation of a telescopic component in the fixed cylinder 5.
In order to increase the stability of the support frame body, the bottom of each support frame body is provided with an auxiliary support assembly, so that the contact area between the support frame body and the bridge deck can be effectively increased.
The auxiliary supporting component comprises two auxiliary supporting legs 13, and the two auxiliary supporting legs 13 are hinged to each supporting frame body through rotating shafts respectively.
The auxiliary support assembly further comprises two support connecting rods 14, the connection stability of the two auxiliary supporting legs 13 is guaranteed, one end of each support connecting rod 14 is hinged to the two supporting legs 1 through a rotating shaft, the other end of each support connecting rod 14 is detachably connected with the two auxiliary supporting legs 13 through a bolt 15, after the bolt 15 is detached, the auxiliary supporting legs 13 and the support connecting rods 14 can be folded more conveniently, and then the auxiliary supporting legs 13 and the support connecting rods 14 can be folded more conveniently when temporary supporting legs for the bridge girder erection machine need to be moved.
The bottom of each support frame body is also provided with an auxiliary moving structure, so that the support frame body can be moved more conveniently when the installation position of the temporary support leg on the main beam needs to be changed.
The auxiliary moving structure comprises two fixing frames 16, each fixing frame 16 is connected to the tops of the two supporting legs 1 through bolts, the bottom of each fixing frame 16 is connected with a bracket 17 used for fixing through bolts, the lower part of the outer surface of each bracket 17 is connected with rollers 18 used for moving through rotating shafts, in the embodiment, the number of the rollers 18 installed on each fixing frame 16 is two, and the number can be increased or decreased according to actual needs.
One of the two fixing frames 16 is provided with a convex block, the other is provided with a groove matched with the convex block, and the groove is in butt joint with the convex block to ensure the integral consistency of the two supporting frames in the moving process, so that the temporary supporting leg for the bridge girder erection machine can be used for stably supporting the bridge girder erection machine.
When the bridge girder erection machine is used, the two support frames are oppositely arranged on two sides of the bridge girder erection machine, the width adjusting structure is arranged between the tops of the two support frames, then the push rod 9 is driven by the hydraulic rod 8 to drive the connecting plate 10, and further the two clamping convex blocks 3 respectively arranged on each mounting frame 4 are pushed to clamp or loosen the bridge girder erection machine, so that the distance between the two support frames is adjusted; simultaneously every support body bottom is connected with auxiliary support leg 13 and support connecting rod 14 through the pivot respectively, can effectively increase the area of contact between support body and the bridge floor to increase the stability of support body, two auxiliary support legs 13 and two support connecting rods 14 pass through bolt 15 fixed connection, conveniently pull down behind the bolt 15, more conveniently fold auxiliary support leg 13 and support connecting rod 14, two support body bottoms still are provided with gyro wheel 18, more conveniently remove support body when the mounted position of interim landing leg at the girder needs to change.
The electrical components in the connection device are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The temporary supporting leg for the bridge girder erection machine is characterized by comprising two supporting frame bodies which are oppositely arranged and used for being respectively arranged on two sides of a girder of the bridge girder erection machine, wherein the tops of the two supporting frame bodies are connected through a width adjusting structure and used for adjusting the distance between the two supporting frame bodies, clamping protruding blocks are respectively arranged at opposite positions on the inner sides of the two supporting frame bodies, and the two clamping protruding blocks clamp or loosen the girder of the bridge girder erection machine from two sides under the driving of the width adjusting structure.
2. The temporary supporting leg for the bridge girder erection machine according to claim 1, wherein the width adjusting structure comprises a fixed cylinder with two open ends, a telescopic assembly is arranged in the fixed cylinder, the telescopic assembly stretches out and draws back from two ends of the fixed cylinder, and two ends of the width adjusting structure are connected with two supporting frame bodies through the telescopic assembly.
3. The temporary supporting leg for the bridge girder erection machine according to claim 2, wherein the telescopic assembly comprises two hydraulic rods, two pushing rods and a connecting plate, the two hydraulic rods are fixedly connected in the fixed cylinder, the hydraulic rods are fixedly connected with the pushing rods, one end of each pushing rod extending out of the fixed cylinder is fixedly connected with the connecting plate, and the connecting plate is fixedly connected with the supporting frame body.
4. The temporary support leg for the bridge girder erection machine according to claim 2, wherein an observation window structure is provided at one side of the fixed cylinder.
5. A temporary support leg for a bridge girder erection machine according to any one of claims 1 to 4, wherein an auxiliary support assembly is provided at the bottom of each supporting frame body for increasing stability of the supporting frame body.
6. The temporary leg for a bridge girder erection machine according to claim 5, wherein the auxiliary supporting assembly comprises an auxiliary leg, the auxiliary leg being hinged with the supporting frame body.
7. The temporary support leg for the bridge girder erection machine according to claim 6, wherein the supporting assembly further comprises a supporting link for securing connection stability of the supporting auxiliary support leg, one end of the supporting link is hinged with the supporting frame body, and the other end of the supporting link is detachably connected with the auxiliary support leg.
8. A temporary support leg for a bridge girder erection machine according to any one of claims 1 to 4, wherein an auxiliary moving structure is further provided at the bottom of each supporting frame body.
9. The temporary support leg for the bridge girder erection machine according to claim 8, wherein the auxiliary moving structure comprises a fixing frame detachably connected with the supporting frame body, and rollers are rotatably installed at the bottom of the fixing frame.
10. The temporary support leg for the bridge girder erection machine according to claim 9, wherein one of the two fixing frames is provided with a protruding block, the other is provided with a groove matched with the protruding block, and the groove is in butt joint with the protruding block and is used for guaranteeing the integrity of the two supporting frames in the moving process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322107997.8U CN220598177U (en) | 2023-08-07 | 2023-08-07 | Temporary supporting leg for bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322107997.8U CN220598177U (en) | 2023-08-07 | 2023-08-07 | Temporary supporting leg for bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220598177U true CN220598177U (en) | 2024-03-15 |
Family
ID=90177721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322107997.8U Active CN220598177U (en) | 2023-08-07 | 2023-08-07 | Temporary supporting leg for bridge girder erection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220598177U (en) |
-
2023
- 2023-08-07 CN CN202322107997.8U patent/CN220598177U/en active Active
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