CN114960453A - But cast-in-place box girder 0 number support of height-adjusting for piece - Google Patents
But cast-in-place box girder 0 number support of height-adjusting for piece Download PDFInfo
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- CN114960453A CN114960453A CN202210732515.5A CN202210732515A CN114960453A CN 114960453 A CN114960453 A CN 114960453A CN 202210732515 A CN202210732515 A CN 202210732515A CN 114960453 A CN114960453 A CN 114960453A
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- support
- height
- support body
- rod
- gear
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 238000009415 formwork Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 description 7
- 239000004576 sand Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge supports, in particular to a height-adjustable support for a No. 0 block of a cast-in-place box beam, which comprises a No. 0 block box beam, a template support arranged below the No. 0 block box beam and a bracket cross beam arranged below the template support, wherein the height-adjustable support is arranged between the template support and the bracket cross beam; the height-adjustable support comprises a support body, a transverse distribution beam is arranged above the support body, and a chassis is arranged at the bottom of the transverse distribution beam; the left and right sides symmetry of support body is equipped with the rim plate, and the rim plate of both sides all is through this internal gear connection of axostylus axostyle and support, every one side of rim plate is equipped with the iron rod, the iron rod runs through the support body, be equipped with the preformed hole that is used for the iron rod to remove on the outer wall of support body. The invention can automatically adjust the height of the bracket, so that the upper part of the bracket is more accurate in level, thereby being well suitable for construction of No. 0 blocks of various large cast-in-place box girders, and having safety, reliability, convenient construction and strong operability.
Description
Technical Field
The invention relates to the technical field of bridge supports, in particular to a height-adjustable support for a No. 0 block of a cast-in-place box girder.
Background
At present, large-scale continuous bridge construction projects are more common along with the increasing road and bridge construction scale. Compared with the construction of common bridge engineering, the construction difficulty of the large continuous bridge is higher, the complexity is higher, and the technical requirements are stricter. The cast-in-place box girder No. 0 block has large dead weight, poor safety and higher construction technical difficulty, is not convenient to apply large machinery and is easily influenced by factors such as climate, geological conditions and the like, so that the guarantee of the construction quality of the cast-in-place box girder No. 0 block is a very critical link.
Traditional sand section of thick bamboo support is after placing the completion, and highly just fixed, nevertheless in actual engineering construction, highly inevitable will take place a little deviation, and traditional sand section of thick bamboo support just can't accomplish predetermined engineering target like this. Traditional sand section of thick bamboo support when the frame that falls is demolishd, need open the opening bottom the container, make the sand of the inside flow from the opening, but after the time limit for a project, the opening part probably corrodes, can appear the difficult condition of opening, and the phenomenon that the sand is difficult to the outflow has lost its effect originally. Therefore, the height-adjustable support for the cast-in-place box girder No. 0 block is designed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the height-adjustable support for the cast-in-place box beam No. 0 block, which can automatically adjust the height of the support to enable the upper part to be more accurate, so that the support can be well suitable for the construction of various large cast-in-place box beam No. 0 blocks, and is safe, reliable, convenient and fast to construct and high in operability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a cast-in-place case roof beam 0 number piece is with adjustable height's support, includes No. 0 piece case roof beam, locates the template support of No. 0 piece case roof beam below and locates the bracket crossbeam of template support below, be equipped with adjustable height's support between template support and the bracket crossbeam:
the height-adjustable support comprises a support body, a transverse distribution beam is arranged above the support body, and a chassis is arranged at the bottom of the transverse distribution beam;
the left and right sides symmetry of support body is equipped with the rim plate, and the rim plate of both sides all is through this internal gear connection of axostylus axostyle and support, every one side of rim plate is equipped with the iron rod, the iron rod runs through the support body, iron rod and axostylus axostyle parallel interval set up, be equipped with the preformed hole that is used for the iron rod to remove on the outer wall of support body.
Preferably, two chain supporting rods which are vertically arranged are arranged on one side in the support body, each chain supporting rod is arranged on the outer side of the gear, a plurality of cross rods are arranged on each chain supporting rod, and the cross rods are uniformly arranged in parallel at intervals; the top of each chain supporting rod is provided with a connecting groove which is fixedly connected with the chassis, and the top of each chain supporting rod is connected with the chassis in a jacking way; the bottom of every chain bracing piece is equipped with the guiding groove, spread groove and guiding groove parallel arrangement.
Preferably, a cross rod hole is formed between every two adjacent cross rods, a plurality of gear teeth are arranged on the gear, and the gear teeth are uniformly distributed at intervals in a circumferential shape; each gear tooth is buckled with the cross rod hole.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts gear transmission, and the transmission structure is compact; the transmission is stable, and the height can be conveniently adjusted.
2. The invention can automatically adjust the height of the bracket to enable the upper part to be more accurate, thereby being well suitable for the construction of No. 0 blocks of various large cast-in-place box girders, and having safety, reliability, convenient construction and strong operability.
3. The sand-filling device does not need to calculate the quantity of the sand, only needs to be placed, is simple and convenient to construct, saves time, improves working efficiency, and is convenient to repeatedly use for many times.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the adjustable height stand of the present invention;
FIG. 3 is a front view of the adjustable height stand of the present invention;
FIG. 4 is a side view of the adjustable height stand of the present invention;
FIG. 5 is a sectional view taken along line II-II of FIG. 2;
FIG. 6 is a cross-sectional view taken along line I-I of FIG. 2;
FIG. 7 is an enlarged view of the connection of the gear to the chain support bar of the present invention.
In the figure: the device comprises an A-adjustable height support, a B-0 block box beam, a C-template support, a D-bracket beam, an E-support body, a 1-transverse distribution beam, a 2-chassis, a 3-wheel disc, a 4-shaft lever, a 5-iron rod, a 6-preformed hole, a 7-connecting groove, an 8-chain supporting rod, a 9-gear, a 10-guiding groove, an 11-cross rod, a 12-gear tooth and a 13-cross rod hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention is more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.
Referring to fig. 1-7, the height-adjustable support for the cast-in-place box girder No. 0 block comprises a box girder No. 0 block, a template support C arranged below the box girder No. 0 block and a bracket beam D arranged below the template support C, wherein the height-adjustable support A is arranged between the template support C and the bracket beam D. The template support C is used for supporting the bottom die and the abdomen template.
2-4, the height-adjustable support A comprises a support body E, a transverse distribution beam 1 is arranged above the support body E, and a chassis 2 is arranged at the bottom of the transverse distribution beam 1; in practical application, the whole height-adjustable support A is a cuboid, the length, width and height of the cuboid are respectively La, Lb and H, and the sizes are respectively about 47cm, 20cm and 45 cm.
The left side and the right side of the support body E are symmetrically provided with the wheel discs 3, the wheel discs 3 on the two sides are connected with the gear 9 in the support body E through the shaft lever 4, each iron rod 5 is arranged on one side of each wheel disc 3 and penetrates through the support body E, the iron rods 5 are arranged at intervals parallel to the shaft lever 4, and the outer wall of the support body E is provided with a preformed hole 6 for the iron rod 5 to move.
In the embodiment, the wheel disc 3 is provided with the diamond-shaped mark, and when the wheel disc is used, the left diamond-shaped mark and the right diamond-shaped mark are symmetrical, so that the level of the chassis 2 can be ensured; the distance between the wheel disc 3 and the outer wall of the bracket body E is L 3 About 5 cm; the distance L that the iron rod 5 extends out of the outer wall of the bracket body E is 4 About 4 cm; the diameter of the iron rod 5 is about 3 cm; a preformed hole 6 for the movement of the iron bar 5, the length of which is L 9 + the diameter of the iron rod 5; the chassis 2 is used as a bearing part and is arranged on the top of the whole bracket body E and has the thickness H 1 About 3 cm.
In the embodiment, the wheel disc 3 is connected with the gear 9 for transmission through the shaft lever 4 arranged by the pipe penetration, the diameter of the shaft lever 4 is 3-5cm, and the distance between the shaft lever 4 and the bottom surface of the bracket body E is H 3 +H 4 +H 5 About 25 cm; meanwhile, the iron rod 5 is installed obliquely below the shaft lever 4, and the vertical distance H between the iron rod 5 and the shaft lever 4 3 About 3cm, the horizontal distance L between the iron rod 5 and the shaft lever 4 8 About 8 cm. L of twice the distance between two gears 9 on the same shaft 4 2 About 8cm, while the distance between each gear 9 and the outer wall of the adjacent bracket body E is L 1 Is 6 cm.
Specifically, referring to fig. 5-6, two vertically arranged chain support rods 8 are arranged on one side in the bracket body E, each chain support rod 8 is arranged at the outer side part of the 9 gears, a plurality of cross rods 11 are arranged on each chain support rod 8, and the cross rods 11 are uniformly arranged in parallel at intervals; the top of each chain support rod 8 is provided with a connecting groove 7, the connecting groove 7 is fixedly connected with the chassis 2, and the top of each chain support rod 8 is connected with the chassis 2 in a jacking way; the bottom of each chain support rod 8 is provided with a guide groove 10, and the connecting groove 7 is arranged in parallel with the guide groove 10.
Specifically, referring to fig. 7, a cross rod hole 13 is formed between two adjacent cross rods 11, a plurality of gear teeth 12 are formed on the gear 9, and the plurality of gear teeth 12 are uniformly distributed at intervals in a circumferential shape; each gear tooth 12 is engaged with a rail hole 13.
In the embodiment, the number of teeth of the gear 9 is 17, and in practical application, the number of teeth can be selected according to practical conditions, and the reference circle diameter of the gear 9 is about 17 cm; the tooth width of the gear 9 is equal to the length of the cross bar 11 of the chain support bar 8, and is about 3 cm; the thickness of the gear teeth 12 is about 1.5cm, and the pitch between two adjacent gear teeth 12 is about 3 cm; in practice, the gear teeth 12 will abut against a cross bar 11 on the chain support bar 8 to lift the chain support bar 8.
Wherein, the distance between the center of the gear 9 and the chain support bar 8 is L 7 The distance between the chain support rod 8 and the outer wall of the bracket body E is L at about 8cm 6 About 4 cm. In practical application, the bottom of the chain support rod 8 is not directly connected with the bottom surface of the support body E but is left with a gap, the top of the chain support rod 8 directly props against the chassis 2, the cross rod 11 at the top of the chain support rod 8 is different from the cross rod 11 at the lower part, and the cross rod 11 at the upper part simultaneously penetrates through the two sides to be provided with the connecting grooves 7 and can slide in the connecting grooves 7 when the chain support rod 8 descends. Wherein, the connecting groove 7 is fixedly connected on the chassis 2 and is parallel with a lower guide groove 10, the guide groove 10 is used for limiting the moving direction of the chain supporting rod 8, and the height H 5 About 15cm, and the thickness is also 3 cm.
The working principle of the invention is as follows: the gear 9 is connected with the wheel disc 3 through the shaft lever 4, the outer wheel disc 3 rotates to drive the gear 9 to rotate, the gear teeth 12 are buckled with the cross rod holes 13 on the chain supporting rods 8, the gear 9 rotates to enable the chain supporting rods 8 to move upwards, the chain supporting rods 8 upwards support the chassis 2, and the chassis 2 is enabled to rise along with the chain supporting rods, so that the effect of adjusting the height of the support is achieved; the iron rod 5 is used as a braking device, and when the preset height is reached, the iron rod 5 is horizontally moved to stop the gear 9 from continuing to rotate. The gear transmission is adopted, so that the transmission structure is compact; the transmission is stable, and the height can be conveniently adjusted.
In addition, during practical application, when adjusting chassis 2 and rising and descending, the gear 9 of both sides rotates simultaneously as far as possible, through setting up the sign on the rim plate 3 of outside and the quantity of the horizontal pole 11 that exposes, can clearly know inside gear 9 pivoted position, has guaranteed the level on support body E upper portion, makes its more accurate.
In conclusion, the height of the bracket can be automatically adjusted, so that the upper part of the bracket is more accurate, the construction of No. 0 blocks of various large cast-in-place box girders can be well adapted, and the method is safe, reliable, convenient and fast to construct and high in operability.
The description and practice of the disclosure herein will be readily apparent to those skilled in the art from consideration of the specification and understanding, and may be modified and modified without departing from the principles of the disclosure. Therefore, modifications or improvements made without departing from the spirit of the invention should also be considered as the protection scope of the invention.
Claims (3)
1. The utility model provides a cast-in-place case roof beam 0 number piece is with adjustable height's support, includes 0 number piece case roof beam, locates the formwork support of 0 number piece case roof beam below and locate the bracket crossbeam of formwork support below, its characterized in that, but be equipped with height-adjusting support between formwork support and the bracket crossbeam:
the height-adjustable support comprises a support body, a transverse distribution beam is arranged above the support body, and a chassis is arranged at the bottom of the transverse distribution beam;
the left and right sides symmetry of support body is equipped with the rim plate, and the rim plate of both sides all is through this internal gear connection of axostylus axostyle and support, every one side of rim plate is equipped with the iron rod, the iron rod runs through the support body, iron rod and axostylus axostyle parallel interval set up, be equipped with the preformed hole that is used for the iron rod to remove on the outer wall of support body.
2. The height-adjustable support for the cast-in-place box girder No. 0 block according to claim 1, wherein two vertically arranged chain support rods are arranged on one side in the support body, each chain support rod is arranged on the outer side part of a gear, and a plurality of cross rods are arranged on each chain support rod and are uniformly spaced and arranged in parallel; the top of each chain supporting rod is provided with a connecting groove which is fixedly connected with the chassis, and the top of each chain supporting rod is connected with the chassis in a jacking way; the bottom of every chain bracing piece is equipped with the guiding groove, spread groove and guiding groove parallel arrangement.
3. The height-adjustable bracket for the cast-in-place box girder No. 0 block according to claim 2, wherein a cross rod hole is formed between two adjacent cross rods, a plurality of gear teeth are arranged on the gear, and the plurality of gear teeth are uniformly distributed at intervals in a circumferential shape; each gear tooth is buckled with the cross rod hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210732515.5A CN114960453A (en) | 2022-06-27 | 2022-06-27 | But cast-in-place box girder 0 number support of height-adjusting for piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210732515.5A CN114960453A (en) | 2022-06-27 | 2022-06-27 | But cast-in-place box girder 0 number support of height-adjusting for piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114960453A true CN114960453A (en) | 2022-08-30 |
Family
ID=82965491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210732515.5A Pending CN114960453A (en) | 2022-06-27 | 2022-06-27 | But cast-in-place box girder 0 number support of height-adjusting for piece |
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| Country | Link |
|---|---|
| CN (1) | CN114960453A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360378A (en) * | 2003-06-06 | 2004-12-24 | Jfe Koken Corp | Mould support structure and concrete placing method |
| CN211312229U (en) * | 2019-12-02 | 2020-08-21 | 重庆交通职业学院 | Convenient multi-functional bridge construction of adjusting is with support frame |
| CN212771953U (en) * | 2020-05-22 | 2021-03-23 | 中铁大桥局集团第四工程有限公司 | No. 0 piece construction bracket braced system of continuous beam |
| CN215482327U (en) * | 2021-04-25 | 2022-01-11 | 广西路桥工程集团有限公司 | Height-adjustable's extension bent cap bracket |
| CN215629446U (en) * | 2021-08-24 | 2022-01-25 | 张滨 | Cast-in-place concrete beam construction support of municipal works |
| CN114108499A (en) * | 2021-12-01 | 2022-03-01 | 中国铁建大桥工程局集团有限公司 | Suspended casting beam reference section hinged type triangular bracket combined hanging basket integrated device and construction method thereof |
-
2022
- 2022-06-27 CN CN202210732515.5A patent/CN114960453A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360378A (en) * | 2003-06-06 | 2004-12-24 | Jfe Koken Corp | Mould support structure and concrete placing method |
| CN211312229U (en) * | 2019-12-02 | 2020-08-21 | 重庆交通职业学院 | Convenient multi-functional bridge construction of adjusting is with support frame |
| CN212771953U (en) * | 2020-05-22 | 2021-03-23 | 中铁大桥局集团第四工程有限公司 | No. 0 piece construction bracket braced system of continuous beam |
| CN215482327U (en) * | 2021-04-25 | 2022-01-11 | 广西路桥工程集团有限公司 | Height-adjustable's extension bent cap bracket |
| CN215629446U (en) * | 2021-08-24 | 2022-01-25 | 张滨 | Cast-in-place concrete beam construction support of municipal works |
| CN114108499A (en) * | 2021-12-01 | 2022-03-01 | 中国铁建大桥工程局集团有限公司 | Suspended casting beam reference section hinged type triangular bracket combined hanging basket integrated device and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220830 |