CN220283294U - Hoisting device for bridge structural member - Google Patents
Hoisting device for bridge structural member Download PDFInfo
- Publication number
- CN220283294U CN220283294U CN202321267006.6U CN202321267006U CN220283294U CN 220283294 U CN220283294 U CN 220283294U CN 202321267006 U CN202321267006 U CN 202321267006U CN 220283294 U CN220283294 U CN 220283294U
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- bottom plate
- bridge structural
- structural member
- plate frame
- bridge
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000007306 turnover Effects 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 10
- 230000005484 gravity Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a lifting device for bridge structural members, and relates to the technical field of bridge construction. The hoisting device comprises a bottom plate frame, wherein two opposite sides of the bottom plate frame are respectively provided with a side plate, and a hoisting mechanism is arranged at the top of each side plate; the top surface of the bottom plate frame is provided with a plurality of clamping grooves which are arranged in parallel, and limiting plates are clamped in the clamping grooves. When the bridge structural member is lifted, the bridge structural member is placed on the bottom plate frame, the limiting plates are inserted into the opposite clamping grooves through calculation according to the weight distribution of the bridge structural member, one end, close to the bridge structural member, of the bridge structural member is lifted, so that the bridge structural member is fixed on the bottom plate frame in an inclined state, and when the gravity of the bridge structural member on the two ends of the bottom plate frame is balanced, the lifting mechanism at the other end is started, so that the bridge structural member is lifted to a designed position. The bridge structural member is prevented from falling due to unbalanced gravity, so that the lifting device improves the safety of lifting construction.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a lifting device for bridge structural members.
Background
The hoisting device is mainly responsible for moving and butting bridge structure accessories with larger butt joint when constructing a bridge, and can adopt two hoisting machines to hoist when hoisting due to the larger weight of the bridge structure accessories.
At present, for the hanging construction of bridge structural members, two hanging machines are mainly connected with the bridge structural members directly, or a supporting frame is arranged at the bottom of the bridge structural members for hanging directly. However, in the existing hanging construction, due to the fact that the special structure of the bridge structural member is different in gravity, two hanging machines are adopted to hoist at the moment, and due to the fact that the bridge structural member is different in force applied to the two hanging machines, the situation that one hanging machine is overlarge in load and unbalanced in hoisting occurs and even the falling of the bridge structural member occurs, so that construction safety accidents are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model solves the technical problems as follows: and (3) how to make the bridge structural member perform relatively balanced lifting.
In order to achieve the purpose, the lifting device for the bridge structural member comprises a bottom plate frame, wherein two opposite sides of the bottom plate frame are respectively provided with a side plate, and the top of each side plate is provided with a lifting mechanism; the top surface of the bottom plate frame is provided with a plurality of basically parallel clamping grooves, and limiting plates are clamped in the clamping grooves.
On the basis of the technical scheme, the turnover frame is arranged on the opposite sides of the bottom plate frame through the limiting plates and the limiting grooves respectively, the limiting plates are arranged on the turnover frame, and the limiting grooves are arranged on the bottom plate frame.
On the basis of the technical scheme, threads are respectively arranged on the two corresponding sides of the side plate, sliding holes are respectively arranged on each roll-over stand, and locking screws combined with the threads are respectively inserted into each sliding hole.
Based on the technical scheme, the roll-over stand adopts a truss structure.
On the basis of the technical scheme, the hollow groove is formed in the bottom plate frame, and a plurality of triangular support plates are arranged in the hollow groove.
On the basis of the technical scheme, the limiting plate is provided with the clamping hole, the clamping rod is inserted into the clamping hole, and the clamping rod abuts against the top surface of the roll-over stand.
On the basis of the technical scheme, the lifting mechanism comprises a lifting rope, and a lifting ring is arranged at the top of the lifting rope.
On the basis of the technical scheme, the bottom plate frame is made of metal materials.
Compared with the prior art, the utility model has the advantages that:
when the bridge structural member is lifted, the bridge structural member is placed on the bottom plate frame, the limiting plates are inserted into the corresponding clamping grooves through calculation according to the weight distribution of the bridge structural member, one end, close to the bridge structural member, of the bridge structural member is lifted, so that the bridge structural member is fixed on the bottom plate frame in an inclined state, and when the gravity of the bridge structural member on the two ends of the bottom plate frame is balanced, the lifting mechanism at the other end is started, so that the bridge structural member is lifted to a design position. Therefore, compared with the existing direct lifting of the bridge structural member, the lifting device is used for firstly adjusting the bridge structural member to a design state, and at the moment, the force of the bridge structural member on two ends of the lifting device reaches an equilibrium state, and the two ends of the lifting device are lifted simultaneously, so that the lifting process is more stable, the falling of the bridge structural member caused by unbalanced gravity is avoided, and the lifting device improves the safety of lifting construction.
Drawings
FIG. 1 is a schematic structural view of a hoisting device according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a hoisting device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a part of the structure of the overturning assembly and the limiting assembly according to the embodiment of the utility model;
fig. 4 is an enlarged view at a in fig. 3.
In the figure: the lifting device comprises a 1-side plate, a 2-bottom plate frame, a 201-clamping groove, a 202-limiting groove, a 203-triangular supporting plate, a 204-hollowed groove, a 3-roll-over stand, 301-locking screws, 302-sliding holes, 303-limiting plates, 4-limiting plates, 401-clamping rods, a 5-lifting mechanism, 501-lifting rings and 502-lifting ropes.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.
The lifting device for the bridge member in the embodiment of the utility model is shown in fig. 1, and comprises a bottom plate frame 2, wherein two opposite sides of the bottom plate frame 2 are respectively provided with a side plate 1, and the top of the side plate 1 is provided with a lifting mechanism 5; referring to fig. 2, a plurality of clamping grooves 201 are formed in the top surface of the bottom plate frame 2, the clamping grooves 201 are arranged in parallel, and a limiting plate 4 is clamped in the clamping grooves 201.
Therefore, when the bridge structural member is lifted, the bridge structural member is placed on the bottom plate frame 2, the limiting plate 4 is inserted into the corresponding clamping groove 201 through calculation according to the weight distribution of the bridge structural member, one end close to the bridge structural member is lifted to enable the bridge structural member to be fixed on the bottom plate frame 2 in an inclined state, and when the gravity of the bridge structural member on two ends of the bottom plate frame 2 reaches balance, the lifting mechanism 5 at the other end is started to lift the bridge structural member to a design position. Therefore, compared with the existing direct lifting of the bridge structural member, the lifting device is used for firstly adjusting the bridge structural member to a design state, and at the moment, the force of the bridge structural member on two ends of the lifting device reaches an equilibrium state, and the two ends of the lifting device are lifted simultaneously, so that the lifting process is more stable, the falling of the bridge structural member caused by unbalanced gravity is avoided, and the lifting device improves the safety of lifting construction.
Preferably, referring to fig. 2, the roll-over stand 3 is mounted on opposite sides of the bottom plate frame 2 through the restricting plate 303 and the restricting groove 202, respectively, the restricting plate 303 is provided on the roll-over stand 3, and the restricting groove 202 is provided on the bottom plate frame 2.
The design has the advantages that: the roll-over stand 3 is used for supporting the part of the bridge structural member beyond the side surface of the bottom plate frame 2, so that the stress of the lifting device is more balanced, and therefore, the roll-over stand 3 cannot be turned downwards after being parallel to the bottom plate frame 2, and the roll-over stand 3 is arranged on the side surface of the bottom plate frame 2 through the limiting plate 303 and the limiting groove 202, so that the roll-over stand 3 is limited to be turned downwards, and the roll-over stand 3 and the bottom plate frame 2 are kept in a parallel state.
Preferably, referring to fig. 3 and fig. 4, a hollow groove 204 is formed in the bottom plate frame 2, and a plurality of triangular support plates 203 are disposed in the hollow groove 204 and are used for connecting adjacent clamping grooves 201.
The design has the advantages that: the weight of the lifting bridge structural member is relatively large, so that the load of the lifting mechanism 5 is reduced, the weight of the lifting device is reduced, and the bottom plate frame 2 is made of a metal material with relatively high strength, so that the hollow groove 204 is formed in the bottom plate frame 2, and the weight of the lifting device is reduced; however, the weight is reduced, and the construction accident caused by the reduction of the strength of the bottom plate frame 2 is avoided, so that the triangular support plates 203 are arranged between the adjacent clamping grooves 201, thereby improving the stability of the bottom plate frame 2.
Preferably, as shown in fig. 2 and 4, the limiting plate 4 is provided with a clamping hole, a clamping rod 401 is inserted into the clamping hole, and the clamping rod 401 abuts against the top surface of the roll-over stand 3 for the roll-over stand 3 to be parallel to the bottom plate frame 2.
The design has the advantages that: when the limiting plate 303 on the roll-over stand 3 makes the roll-over stand 3 unable to turn over the roll-over stand 3 downwards and parallel to the bottom plate frame 2, in order to further stabilize the parallel state of the roll-over stand 3 and the bottom plate frame 2, the clamping rod 401 is inserted into the limiting plate 4, and the clamping rod 401 abuts against the top surface of the roll-over stand 3, so that it is unable to turn over upwards.
Preferably, as shown in fig. 2, the two corresponding sides of the side plate 1 are respectively provided with threads, each roll-over stand 3 is provided with a sliding hole 302, and each sliding hole 302 is internally inserted with a locking screw 301 combined with the threads.
The design has the advantages that: the clamping rod 401 is pulled out, the roll-over stand 3 can be in a vertical state with the bottom plate frame 2 and used as a guardrail for overhauling a bridge by constructors, and the roll-over stand 3 and the side plate 1 are required to be fixed for improving the stability of the guardrail, so that the roll-over stand 3 is fixed on the side plate 1 by penetrating through the sliding hole 302 on the roll-over stand 3 through the locking screw 301 and then connecting with threads on the side plate 1.
Preferably, referring to fig. 2, the hoisting mechanism 5 comprises a hoisting rope 502, and a hoisting ring 501 is mounted on top of the hoisting rope 502.
The design has the advantages that: this hoist device lifts by crane to the design position through two loop wheel machines, for further improving this hoist device's stability, consequently be provided with lifting rope 502 and rings 501 on hoist device, make things convenient for the connection of hoist device and loop wheel machine to it is more stable at the in-process of lifting by crane.
Preferably, the bottom plate frame 2 is made of metal material.
The design has the advantages that: the bridge structural member has larger weight and uneven gravity distribution, so that the bottom plate frame 2 for placing the bridge structural member has larger load, and the self strength of the bottom plate frame 2 needs to be larger for the construction safety, so that the bottom plate frame 2 is manufactured by adopting a metal material.
Preferably, the roll-over stand 3 may be a truss structure.
The design has the advantages that: when the roll-over stand 3 is in a horizontal state, the roll-over stand 3 needs to bear the gravity of a part of bridge structural members, so that the roll-over stand 3 adopts a truss structure, and the structure is more stable and can bear larger force.
The utility model is not limited to the above-mentioned best mode, any person can obtain other various products under the teaching of the utility model, but any change in shape or structure is within the scope of protection of the utility model, and all the technical schemes are the same or similar to the utility model.
Claims (8)
1. The utility model provides a hoist device of bridge structure, includes bottom plate frame (2), its characterized in that: the two opposite sides of the bottom plate frame (2) are respectively provided with a side plate (1), and a hoisting mechanism (5) is arranged at the top of the side plate (1); the top of the bottom plate frame (2) is provided with a plurality of basically parallel clamping grooves (201), and limiting plates (4) are clamped in the clamping grooves (201).
2. The hoisting device for bridge structural members as defined in claim 1, wherein: the turnover frame (3) is installed on two opposite sides of the bottom plate frame (2) through a limiting plate (303) and a limiting groove (202), the limiting plate (303) is arranged on the turnover frame (3), and the limiting groove (202) is arranged on the bottom plate frame (2).
3. Hoisting device for bridge structures as claimed in claim 2, characterized in that: threads are respectively arranged on two opposite sides of the side plate (1), sliding holes (302) are respectively arranged on each overturning frame (3), and locking screws (301) combined with the threads are respectively inserted into each sliding hole (302).
4. Hoisting device for bridge structures as claimed in claim 2, characterized in that: the roll-over stand (3) adopts a truss structure.
5. The hoisting device for bridge structural members as defined in claim 1, wherein: the bottom plate frame (2) is internally provided with a hollowed-out groove (204), and a plurality of triangular support plates (203) are arranged in the hollowed-out groove (204).
6. The hoisting device for bridge structural members as defined in claim 1, wherein: the limiting plate (4) is provided with a clamping hole, a clamping rod (401) is inserted into the clamping hole, and the clamping rod (401) abuts against the top surface of the turnover frame (3).
7. The hoisting device for bridge structural members as defined in claim 1, wherein: the lifting mechanism (5) comprises a lifting rope (502), and a lifting ring (501) is arranged at the top of the lifting rope (502).
8. The hoisting device for bridge structural members as defined in claim 1, wherein: the bottom plate frame (2) is made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267006.6U CN220283294U (en) | 2023-05-19 | 2023-05-19 | Hoisting device for bridge structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267006.6U CN220283294U (en) | 2023-05-19 | 2023-05-19 | Hoisting device for bridge structural member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220283294U true CN220283294U (en) | 2024-01-02 |
Family
ID=89326355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267006.6U Active CN220283294U (en) | 2023-05-19 | 2023-05-19 | Hoisting device for bridge structural member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220283294U (en) |
-
2023
- 2023-05-19 CN CN202321267006.6U patent/CN220283294U/en active Active
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