CN221000627U - Oversized 0# block bracket and counter-force prepressing device thereof - Google Patents
Oversized 0# block bracket and counter-force prepressing device thereof Download PDFInfo
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- CN221000627U CN221000627U CN202322600261.4U CN202322600261U CN221000627U CN 221000627 U CN221000627 U CN 221000627U CN 202322600261 U CN202322600261 U CN 202322600261U CN 221000627 U CN221000627 U CN 221000627U
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- 238000005056 compaction Methods 0.000 claims abstract 6
- 238000003466 welding Methods 0.000 claims abstract 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model discloses an oversized 0# block bracket and a counter-force prepressing device thereof, and belongs to the technical field of bridge construction auxiliary devices. Including bracket and die block frame, the bracket is located the bottom of die block frame, and bracket and die block frame are connected through the unloading piece of welding, the end of bracket and die block frame all with longeron fixed connection, longeron bottom is connected with the distribution roof beam, the below of distribution roof beam is provided with a supporting beam, the top fixedly connected with crossbeam of longeron is provided with counter-force pre-compaction device on the crossbeam, and counter-force pre-compaction device is connected with the cushion cap embedding, the end of counter-force pre-compaction device and cushion cap junction is provided with the backing plate structure. The utility model provides the oversized 0# block bracket and the counter-force prepressing device thereof, which have the advantages of simple structure, easy installation, convenient operation, shortened working procedures of operators, reduced investment of manpower and material resources, time and cost saving and great improvement of working efficiency.
Description
Technical Field
The utility model relates to the technical field of bridge construction auxiliary devices, in particular to an oversized 0# block bracket and a counter-force prepressing device thereof.
Background
Block number 0 (block number 0), engineering term on bridge construction. Large span integral continuous beam bridges are typically constructed in sections, each section being referred to as a "block". The No. 0 block is the unit where the bridge is poured first, and extends from the bridge pier to the first blocks of the building from the bridge pier to the two sides. The ultra-large No. 0 block has the characteristics of large volume, large weight, large concrete consumption, structural complexity and the like, can be poured one time or multiple times, and has higher requirements on the design and construction of a bracket structure and a counter-force pre-pressing device thereof. And the requirements on key construction technologies such as large-volume concrete pouring maintenance, large-area slurry collection, gradient control, prestressed construction and the like are high.
The existing counter-force prepressing technology has the problems of troublesome stacking and inconvenient operation. In the implementation process, a large amount of manpower and material resources are needed to be input, a large amount of time is wasted, the input cost is high, and the working efficiency is low. Aiming at the problems of the prior art, the development of a bracket meeting the construction requirement of an oversized 0# block and a counter-force prepressing device thereof is necessary to develop, so that the construction flow is ensured to be simple and convenient, and the construction efficiency is higher.
Disclosure of utility model
The utility model aims to provide an oversized 0# block bracket and a counter-force prepressing device thereof, which solve the problems of complex structure, inconvenient operation, high input cost and low working efficiency of the existing counter-force prepressing device.
In order to achieve the above purpose, the utility model provides an oversized 0# block bracket and a counter-force prepressing device thereof, which comprises a bracket and a bottom die frame, wherein the bracket is positioned at the bottom of the bottom die frame, the bracket is connected with the bottom die frame through a welded unloading block, the bracket and the tail end of the bottom die frame are fixedly connected with a longitudinal beam, the bottom of the longitudinal beam is connected with a distribution beam, a support beam is arranged below the distribution beam, the top end of the longitudinal beam is fixedly connected with a cross beam, the cross beam is provided with a counter-force prepressing device, the counter-force prepressing device is connected with a bearing platform in an embedded manner, and the tail end of the joint of the counter-force prepressing device and the bearing platform is provided with a backing plate structure.
Preferably, the bracket has a triangular structure.
Preferably, the bottom die frame is of a trapezoid structure.
Preferably, the bracket comprises an inclined rod, a horizontal rod and a longitudinal rod, wherein the horizontal rod is connected with the longitudinal rod through the inclined rod, a plurality of bracket cross joints which are arranged at equal intervals are arranged on the outer side of the inclined rod, and an embedded part is arranged at the bottom of the longitudinal rod.
Preferably, the angle at the joint of the inclined rod and the horizontal rod is 36.556 degrees.
Preferably, the bottom die frame comprises a vertical rod, a bottom inclined rod and a top rod, wherein the bottom of the top rod is connected with a plurality of vertical rods and the bottom inclined rod which are welded in a crossing way, and a plurality of bottom die frames which are arranged at equal intervals are arranged on the outer surface of the vertical rod at the outermost side.
Preferably, the backing plate structure includes a large backing plate and an anchor backing plate, the large backing plate being located on top of the anchor backing plate.
Therefore, the oversized 0# block bracket and the counter-force prepressing device thereof adopting the structure have the following beneficial effects:
the utility model has simple structure, easy installation and convenient operation, shortens the working procedures of operators, reduces the investment of manpower and material resources, saves time and cost and greatly improves the working efficiency.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic side view of a oversized 0# block bracket and a reaction pre-pressing device thereof;
FIG. 2 is a schematic diagram of the front view structure of an oversized 0# block bracket and a counter-force preloading device thereof;
FIG. 3 is a schematic structural view of a reaction force pre-pressing device of an oversized 0# block bracket and the reaction force pre-pressing device thereof;
FIG. 4 is a schematic diagram of a carriage structure of an oversized 0# block carriage and a counter-force preloading device thereof;
FIG. 5 is a schematic diagram of a bottom die frame structure of an oversized 0# block bracket and a counter-force prepressing device thereof;
reference numerals
1. The device comprises a bracket, 2, a bottom die frame, 3, a cross beam, 4, a longitudinal beam, 5, a distribution beam, 6, a counter-force prepressing device, 7, a bearing platform, 8, a backing plate structure, 9, a supporting beam, 11, an inclined rod, 12, a horizontal rod, 13, a longitudinal rod, 14, an embedded part, 15, a bracket cross-section, 21, a vertical rod, 22, a bottom inclined rod, 23, a top rod, 24, a bottom die frame cross-section, 25, a drop block, 81, a large backing plate, 82 and an anchor backing plate.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. 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 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. "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.
Examples
As shown in fig. 1-5, the utility model provides an oversized 0# block bracket and a counter-force prepressing device thereof, which comprises a bracket 1 and a bottom die frame 2, wherein the bracket 1 is positioned at the bottom of the bottom die frame 2, the bracket 1 is connected with the bottom die frame 2 through a welded unloading block 25, the tail ends of the bracket 1 and the bottom die frame 2 are fixedly connected with a longitudinal beam 4, the bottom of the longitudinal beam 4 is connected with a distribution beam 5, a support beam 9 is arranged below the distribution beam 5, the top end of the longitudinal beam 4 is fixedly connected with a cross beam 3, the cross beam 3 is provided with a counter-force prepressing device 6, the counter-force prepressing device 6 is connected with a bearing platform 7 in an embedded manner, and the tail end of the joint of the counter-force prepressing device 6 and the bearing platform 7 is provided with a backing plate structure 8.
The bracket 1 has a triangular structure. The bracket 1 comprises an inclined rod 11, a horizontal rod 12 and a longitudinal rod 13, wherein the horizontal rod 12 is connected with the longitudinal rod 13 through the inclined rod 11, a plurality of bracket cross links 15 which are arranged at equal intervals are arranged on the outer side of the inclined rod 11, and embedded parts 14 are arranged at the bottom of the longitudinal rod 13.
The angle at which the diagonal rod 11 is connected to the horizontal rod 12 is 36.556 deg..
The bottom die carrier 2 is of a trapezoid structure. The bottom die frame 2 comprises a vertical rod 21, a bottom inclined rod 22 and a top rod 23, wherein the bottom of the top rod 23 is connected with a plurality of cross welded vertical rods 21 and bottom inclined rods 22, and a plurality of bottom die frame cross links 24 which are arranged at equal intervals are arranged on the outer surface of the vertical rod 21 positioned at the outermost side. Backing plate structure 8 includes a large backing plate 81 and an anchor backing plate 82, with large backing plate 81 being located on top of anchor backing plate 82.
Working principle: and the No. 0 block of the main girder of the cable-stayed bridge is constructed in a bracket cast-in-situ mode. The method comprises the steps that (1) pre-buried I40b I-steel with the pre-buried length of 600mm is pre-buried in a pier, the lower part of a bracket 1 is welded on an embedded part 14, 4 PSB930-36 finish rolling threaded steels are adopted on the upper part of each bracket 1 to be oppositely pulled with a contralateral bracket 1, bracket rod pieces are welded to form a combined bracket system, and the bracket 1 adopts double-spliced I40b I-steel.
Transverse bridge spacing: 1900+2200+2800+2200+2800+2200+1900; the bracket cross-connection 15 adopts [20b channel steel; the bracket 1 is provided with a transverse bridge direction distribution beam double-splicing I40b and a longitudinal bridge direction interval (one side): a 3X 1400mm, a discharging block is welded between the beam 3 and the bracket 1; the bottom die carrier 2 is arranged on the distribution beam double-spliced I40b, the distribution beam adopts I25b, the vertical rod 21, the bottom diagonal rod 22 and the top rod 23 adopt I20b, and the longitudinal bridge distance (one side) is as follows: 5X 1000mm, transverse bridge spacing: 5×400+3×900+450+4×400+450+3×900+5×400mm, and the bottom die frame cross 24 is [14b; the upper part of the bottom die frame 1 is provided with a steel template system, the templates adopt steel plates with the thickness of 6mm, and the back edges adopt [10 channel steel with the interval of 300mm.
Therefore, the oversized 0# block bracket and the counter-force prepressing device thereof adopting the structure have the advantages of simple structure, easy installation, convenient operation, shortened working procedures of operators, reduced investment of manpower and material resources, time and cost saving and great improvement of working efficiency.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (7)
1. An oversized 0# block bracket and a counter-force prepressing device thereof are characterized in that: including bracket and die block frame, the bracket is located the bottom of die block frame, just the bracket with the die block frame is connected through the unloading piece of welding, the bracket with the end of die block frame all with longeron fixed connection, longeron bottom is connected with the distribution roof beam, the below of distribution roof beam is provided with a supporting beam, the top fixedly connected with crossbeam of longeron, be provided with counter-force pre-compaction device on the crossbeam, just counter-force pre-compaction device is connected with the cushion cap embedding, counter-force pre-compaction device with the end of cushion cap junction is provided with the backing plate structure.
2. The oversized 0# block bracket and the counter-force preloading device thereof according to claim 1, wherein: the bracket is of a triangular structure.
3. The oversized 0# block bracket and the counter-force preloading device thereof according to claim 1, wherein: the bottom die frame is of a trapezoid structure.
4. The oversized 0# block bracket and the counter-force preloading device thereof according to claim 1, wherein: the bracket comprises an inclined rod, a horizontal rod and a longitudinal rod, wherein the horizontal rod is connected with the longitudinal rod through the inclined rod, a plurality of bracket cross joints which are arranged at equal intervals are arranged on the outer side of the inclined rod, and an embedded part is arranged at the bottom of the longitudinal rod.
5. The oversized 0# block bracket and the counter-force preloading device thereof according to claim 4, wherein: the angle of the connection part of the inclined rod and the horizontal rod is 36.556 degrees.
6. The oversized 0# block bracket and the counter-force preloading device thereof according to claim 1, wherein: the bottom die frame comprises a vertical rod, a bottom inclined rod and a top rod, wherein the bottom of the top rod is connected with a plurality of vertical rods and the bottom inclined rod which are welded in a crossing mode, and a plurality of bottom die frames which are arranged at equal intervals are arranged on the outer surface of the vertical rod at the outermost side.
7. The oversized 0# block bracket and the counter-force preloading device thereof according to claim 1, wherein: the backing plate structure comprises a large backing plate and an anchor backing plate, and the large backing plate is positioned at the top of the anchor backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322600261.4U CN221000627U (en) | 2023-09-25 | 2023-09-25 | Oversized 0# block bracket and counter-force prepressing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322600261.4U CN221000627U (en) | 2023-09-25 | 2023-09-25 | Oversized 0# block bracket and counter-force prepressing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221000627U true CN221000627U (en) | 2024-05-24 |
Family
ID=91120803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322600261.4U Active CN221000627U (en) | 2023-09-25 | 2023-09-25 | Oversized 0# block bracket and counter-force prepressing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221000627U (en) |
-
2023
- 2023-09-25 CN CN202322600261.4U patent/CN221000627U/en active Active
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