CN219213512U

CN219213512U - Prestressed girder bottom die anti-arch adjusting device

Info

Publication number: CN219213512U
Application number: CN202222552279.7U
Authority: CN
Inventors: 王薪程; 武洁; 李骥; 夏仙桃; 林嵩
Original assignee: Hunan Wuxin Intelligent Machinery Manufacturing Co ltd
Current assignee: Hunan Wuxin Intelligent Machinery Manufacturing Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-20
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a prestress beam bottom die arch adjusting device which comprises a bottom die, a supporting structure positioned below the bottom die and a gasket positioned between the bottom die and the supporting structure, wherein a first connecting part is arranged on the bottom die, a second connecting part is arranged on the supporting structure, and the first connecting part, the gasket and the second connecting part are fixedly connected through a fastener. According to the utility model, the gaskets with different heights are added on the fastening piece, so that the rapid and repeated height adjustment of the bottom die can be realized, welding and gas cutting are not needed in the process of adjusting the counter arch of the bottom die, the implementation is simple and convenient, the labor cost can be reduced, the production efficiency is improved, and the safety risk is reduced; and the bottom die, the gasket and the lower supporting structure are fixedly connected through the fasteners, so that the stable bearing of the bottom die is realized, and the production requirement can be better met.

Description

Prestressed girder bottom die anti-arch adjusting device

Technical Field

The utility model relates to the technical field of concrete member construction equipment, in particular to a prestress beam bottom die anti-arch adjusting device.

Background

The prestressed girder is widely applied to road infrastructure construction such as highway, railway, and in the design process, whether the girder body bottom plate needs to be provided with an inverted arch and an inverted arch value according to the girder body deflection after the prestress tensioning is needed. In the production process, the heights of the corresponding segment templates are adjusted according to the designed inverted arch values. The current common adjusting method is to weld steel backing plates with different thicknesses between the bottom die and the lower support, when the height of the bottom die needs to be adjusted again or adjusted repeatedly, the original backing plates need to be cut, the backing plates are welded after being increased or decreased, the working procedure is complicated, the overall construction efficiency is affected, and operators need to weld or cut in a limited height space below the bottom die, so that certain potential safety hazards exist.

Patent document CN214136557U discloses a device for adjusting the counter arch of a bottom die of a prestressed high-speed railway box girder, and provides a height adjusting mechanism consisting of an upper inverted U-shaped steel block, a middle multi-layer movable steel backing plate and a lower steel block. Although the adjustment is more convenient, repeated welding or gas cutting is not needed, although the inner wall of the cavity of the upper layer steel block has a certain support to the steel backing plates, the steel backing plates are not connected, so that potential safety hazards caused by collapse of the steel backing plates after the templates are subjected to horizontal force cannot be effectively prevented.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing the prestress beam bottom die anti-arch adjusting device which has a simple structure and is convenient to use and capable of realizing stable bearing of the bottom die.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a prestressing beam die block anti-arch adjusting device, includes the die block, is located the bearing structure of die block below and is located the gasket between die block and the bearing structure, be equipped with first connecting portion on the die block, be equipped with the second connecting portion on the bearing structure, first connecting portion the gasket with second connecting portion pass through fastener fixed connection.

As a further improvement of the above technical scheme: the first connecting part is a longitudinal connecting plate.

As a further improvement of the above technical scheme: the longitudinal connecting plate is an L-shaped bending plate.

As a further improvement of the above technical scheme: the first connecting portion comprises a transverse reinforcing rib, connecting brackets are arranged on two sides of the transverse reinforcing rib, and the connecting brackets, the gaskets and the second connecting portion are fixedly connected through fasteners.

As a further improvement of the above technical scheme: the supporting structure is a section steel, and the second connecting part is a top plate of the section steel; or, the supporting structure is a supporting plate, and the second connecting part is formed by bending the supporting plate.

As a further improvement of the above technical scheme: the two ends of the gasket are provided with arc grooves, and the fastening piece is arranged at the arc grooves.

As a further improvement of the above technical scheme: one side of the gasket is provided with at least two clamping grooves, and the fastening piece is arranged at the clamping groove.

As a further improvement of the above technical scheme: the clamping groove is of a bending structure.

As a further improvement of the above technical scheme: the fastener is a bolt or a screw.

Compared with the prior art, the utility model has the advantages that: according to the prestress beam bottom die anti-arch adjusting device disclosed by the utility model, the gaskets with different heights are added on the fastening pieces, so that the rapid and repeated height adjustment of the bottom die can be realized, welding and gas cutting are not needed in the process of adjusting the bottom die anti-arch, the implementation is simple and convenient, the production cost can be reduced, the production efficiency is improved, and the safety risk is reduced; and the bottom die, the gasket and the lower supporting structure are fixedly connected through the fasteners, so that the stable bearing of the bottom die is realized, and the production requirement can be better met.

Drawings

FIG. 1 is a schematic view of a construction of a first embodiment of the prestress beam counter-form arching adjustment means of the present utility model.

FIG. 2 is a schematic diagram of a second embodiment of the prestressed girder bottom die arching adjusting means of the present utility model.

Fig. 3 is a schematic structural view of a first embodiment of a gasket of the present utility model.

Fig. 4 is a schematic structural view of a second embodiment of a gasket according to the present utility model.

Fig. 5 is a schematic top view of a support structure in accordance with the present utility model.

Fig. 6 is a schematic side view of a support structure in accordance with the present utility model.

The reference numerals in the drawings denote: 1. a bottom die; 11. a first connection portion; 111. a connecting bracket; 2. a support structure; 21. a second connecting portion; 3. a gasket; 31. an arc-shaped groove; 32. a clamping groove; 4. a fastener.

Detailed Description

As used in this disclosure and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The utility model is described in further detail below with reference to the drawings and specific examples of the specification.

Example 1

Fig. 1 and fig. 3 to fig. 6 show an embodiment of a prestress beam bottom die arch adjusting device according to the present utility model, which includes a bottom die 1, a supporting structure 2 located below the bottom die 1, and a spacer 3 located between the bottom die 1 and the supporting structure 2, wherein a first connecting portion 11 is provided on the bottom die 1, a second connecting portion 21 is provided on the supporting structure 2, and the first connecting portion 11, the spacer 3, and the second connecting portion 21 are fixedly connected by a fastener 4 (the fastener 4 may be a common bolt, a screw, or the like, for example).

According to the prestress beam bottom die anti-arch adjusting device, the gaskets 3 with different heights are added on the fastening pieces 4, so that rapid and repeated height adjustment of the bottom die 1 can be realized, welding and gas cutting are not needed in the process of adjusting the bottom die 1 in an anti-arch process, the implementation is simple and convenient, the labor cost can be reduced, the production efficiency is improved, and the safety risk is reduced; and the bottom die 1, the gasket 3 and the lower supporting structure 2 are fixedly connected through the fastener 4, so that stable bearing of the bottom die 1 is realized, and the production requirement can be better met.

Further, in the present embodiment, the first connection portion 11 is a longitudinal connection plate. The longitudinal direction is the longitudinal direction of the bottom die 1.

As a preferred embodiment, the longitudinal connecting plates are L-shaped bending plates. The vertical part of L type bending plate and die block 1 fixed connection, the horizontal part of L type bending plate conveniently passes through fastener fixed connection, simple structure, effectively to can be effectively with die block 1's load transfer to bearing structure 2 on.

Wherein, the support structure 2 may be a section steel (such as a common i-steel), and the second connecting portion 21 is a top plate of the section steel; alternatively, the support structure 2 may be a support plate, and the second connection portion 21 may be formed by bending the support plate. The support structure 2 of the present embodiment is convenient to be fixedly connected with the fastening member 4 on the one hand, and can provide reliable support for the bottom die 1 on the other hand.

Referring specifically to fig. 3, the spacer 3 may have arc grooves 31 at both ends, and the fastener 4 is disposed at the arc grooves 31. When gaskets 3 with different heights are added between the bottom die 1 and the supporting structure 2, only the fastening piece 4 at any end of the gasket 3 is required to be removed, so that the installation efficiency of the gasket 3 is improved.

Referring specifically to fig. 4, the spacer 3 may also have at least two clamping grooves 32 on one side, and the fastener 4 is disposed at the clamping grooves 32. When the gaskets 3 with different heights are added between the bottom die 1 and the supporting structure 2, the fastening piece 4 does not need to be removed, the gaskets 3 are directly installed on the fastening piece 4 through the clamping groove 32, and the installation efficiency of the gaskets 3 can be further improved.

Further, in the present embodiment, the clamping groove 32 is a bending structure. The gasket 3 is firstly arranged on the fastener 4 through the clamping groove 32, then the gasket 3 can be arranged by moving rightwards for a certain distance, the clamping groove 32 with a bending structure is favorable for preventing the gasket 3 from being separated from the fastener 4, and the reliability is further improved.

Example two

Fig. 6 shows another embodiment of the prestress beam die block arching adjusting means of the present utility model, which is substantially the same as the first embodiment except that:

in this embodiment, the first connecting portion 11 includes a transverse reinforcing rib, two sides of the transverse reinforcing rib are provided with connecting brackets 111, and the connecting brackets 111, the gasket 3 and the second connecting portion 21 are fixedly connected by the fastener 4. The lateral direction is the longitudinal direction of the bottom die 1.

According to the prestress beam bottom die anti-arch adjusting device, the rapid and repeated height adjustment of the bottom die 1 can be realized by adding gaskets 3 with different heights on the fastening piece 4; and the bottom die 1 is fixedly connected with the lower supporting structure 2 through the transverse reinforcing ribs and the connecting brackets 111, so that stable bearing of the bottom die 1 can be realized, and the production requirement can be better met.

While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a prestressing force roof beam die block anti-arch adjusting device which characterized in that: including die block (1), be located bearing structure (2) of die block (1) below to and be located gasket (3) between die block (1) and bearing structure (2), be equipped with first connecting portion (11) on die block (1), be equipped with second connecting portion (21) on bearing structure (2), first connecting portion (11) gasket (3) with second connecting portion (21) pass through fastener (4) fixed connection.

2. The prestress beam counter-die arch adjusting device of claim 1, wherein: the first connecting part (11) is a longitudinal connecting plate.

3. The prestress beam counter-die arch adjusting device of claim 2, wherein: the longitudinal connecting plate is an L-shaped bending plate.

4. The prestress beam counter-die arch adjusting device of claim 1, wherein: the first connecting part (11) comprises transverse reinforcing ribs, connecting brackets (111) are arranged on two sides of each transverse reinforcing rib, and the connecting brackets (111), the gaskets (3) and the second connecting parts (21) are fixedly connected through fasteners (4).

5. The prestress beam counter-die arch adjusting device of claim 1, wherein: the supporting structure (2) is a section steel, and the second connecting part (21) is a top plate of the section steel; or, the supporting structure (2) is a supporting plate, and the second connecting part (21) is formed by bending the supporting plate.

6. The prestressed girder bottom die arching adjusting device according to any one of claims 1 to 5, characterized in that: arc grooves (31) are formed in the two end portions of the gasket (3), and the fastening piece (4) is arranged at the arc grooves (31).

7. The prestressed girder bottom die arching adjusting device according to any one of claims 1 to 5, characterized in that: one side of the gasket (3) is provided with at least two clamping grooves (32), and the fastening piece (4) is arranged at the clamping grooves (32).

8. The prestressed girder bottom die anti-arch adjusting device according to claim 7, wherein: the clamping groove (32) is of a bending structure.

9. The prestressed girder bottom die arching adjusting device according to any one of claims 1 to 5, characterized in that: the fastener (4) is a bolt or a screw.