CN109235246B - Vertical adjusting device of bridge beam supports - Google Patents

Vertical adjusting device of bridge beam supports Download PDF

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Publication number
CN109235246B
CN109235246B CN201811285588.4A CN201811285588A CN109235246B CN 109235246 B CN109235246 B CN 109235246B CN 201811285588 A CN201811285588 A CN 201811285588A CN 109235246 B CN109235246 B CN 109235246B
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CN
China
Prior art keywords
plate
adjusting
temporary
ball head
limiting
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Active
Application number
CN201811285588.4A
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Chinese (zh)
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CN109235246A (en
Inventor
王来永
武俊彦
高小妮
庞志华
郝朝伟
张继中
欧阳先凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Zibo Huanyu Bridge Template Co ltd
Sichuan Xianghui Road And Bridge Engienering Co ltd
Research Institute of Highway Ministry of Transport
Original Assignee
Shandong Zibo Huanyu Bridge Template Co ltd
Sichuan Xianghui Road And Bridge Engienering Co ltd
Research Institute of Highway Ministry of Transport
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Application filed by Shandong Zibo Huanyu Bridge Template Co ltd, Sichuan Xianghui Road And Bridge Engienering Co ltd, Research Institute of Highway Ministry of Transport filed Critical Shandong Zibo Huanyu Bridge Template Co ltd
Priority to CN201811285588.4A priority Critical patent/CN109235246B/en
Publication of CN109235246A publication Critical patent/CN109235246A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges
    • E01D19/048Bearings being adjustable once installed; Bearings used in incremental launching
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal

Abstract

The invention relates to a vertical adjusting device of a bridge support, which comprises a top plate, a bottom plate, a temporary connecting bolt and adjusting support legs, wherein the top plate is fixedly connected with the bottom plate; the upper part of the top plate is connected with a bridge body, the lower part of the top plate is provided with the bottom plate, four top corners between the top plate and the bottom plate are respectively connected and fixed through the temporary connecting bolts, and gaps are formed between the top plate and the bottom plate through the temporary connecting bolts; the adjusting support legs are arranged at the bottom of the bottom plate. The adjusting device has a simple structure, can be processed in a factory, can obtain vertical supporting force, conveniently solves the problem that the common rubber support cannot be adjusted in the installation process, and can effectively avoid the damage of the support caused by the installation defect.

Description

Vertical adjusting device of bridge beam supports
Technical Field
The invention relates to the technical field of building bridge supports, in particular to a vertical adjusting device of a bridge support.
Background
The plate type rubber support of the bridge has the potential void damage at the initial installation stage due to the initial deformation of the beam body or the uneven surface of the cushion stone in the installation process. In the actual use process, the support is empty, so that the local stress of individual supports is overlarge, the defects of cracking, overlarge deformation and the like of the supports after passing through a vehicle for several years exist more or less in the conventional bridge, and further the upper structure is damaged.
How to ensure the close contact between the support and the beam body and the cushion stone in the construction process becomes a technical problem which needs to be solved urgently at present.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a vertical adjusting device for a bridge support, which can solve the problem that a common rubber support cannot be adjusted in the installation process and can effectively avoid the damage of the support caused by the installation defects.
In order to achieve the purpose, the invention adopts the following technical scheme: a vertical adjusting device of a bridge support comprises a top plate, a bottom plate, a temporary connecting bolt and adjusting support legs; the upper part of the top plate is connected with a bridge body, the lower part of the top plate is provided with the bottom plate, four top corners between the top plate and the bottom plate are respectively connected and fixed through the temporary connecting bolts, and gaps are formed between the top plate and the bottom plate through the temporary connecting bolts; the adjusting support legs are arranged at the bottom of the bottom plate.
Further, the number of the adjusting feet is 4.
Further, a rubber support is arranged in a gap between the top plate and the bottom plate.
Further, the top plate and the bottom plate are made of Q235 steel plates.
Furthermore, the top plate is connected with the beam body in a welding or pre-embedding mode.
Furthermore, nuts matched with the temporary connecting bolts are welded at the positions, corresponding to the temporary connecting bolts, of the lower end faces of the top plate and the bottom plate.
Furthermore, a through hole is formed in the position, corresponding to the temporary connecting bolt, of the bottom plate, and the temporary connecting bolt penetrates through the through hole and is connected with a nut on the lower end face of the top plate.
Furthermore, the adjusting support leg comprises a sleeve, an adjusting nut, a ball screw, a fulcrum base plate and a limiting plate; the top of the sleeve is connected with the bottom of the bottom plate, and the bottom of the sleeve is provided with an opening; the screw end of the ball-end screw is inserted into the sleeve through the opening, the adjusting nut is arranged at the opening of the sleeve, and the adjusting nut is in threaded connection with the ball-end screw; two ends of the limiting plate are welded at two ends of the fulcrum base plate, and a limiting space is formed between the two ends of the limiting plate; the ball end of the ball screw penetrates through the limiting plate and is located in the limiting space, and the ball end of the ball screw is tightly attached to the upper end face of the fulcrum base plate.
Further, the limiting plate is composed of two L-shaped plates.
Furthermore, a semicircular groove is formed in the middle of each L-shaped plate, and the diameter of each groove is matched with the diameter of the ball head screw rod.
Due to the adoption of the technical scheme, the invention has the following advantages: the adjusting device has simple structure, can be processed in a factory, can obtain other standard vertical supporting force by adjusting the size of the screw rod of the ball head screw rod, can conveniently solve the problem that the common rubber support cannot be adjusted in the installation process, and can effectively avoid the damage of the support caused by the installation defect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the weld nuts on the lower end faces of the top and bottom plates of the present invention;
FIG. 3 is a schematic view of the base plate structure of the present invention;
FIG. 4 is a schematic view of the adjusting foot of the present invention;
FIG. 5 is an exploded schematic view of FIG. 4;
fig. 6 is a schematic structural view of an L-shaped plate in the limiting plate of the invention;
fig. 7 is a top view of fig. 6.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The invention is described in detail below with reference to the figures and examples.
As shown in FIG. 1, the invention provides a vertical adjusting device for a bridge bearing, which comprises a top plate 1, a bottom plate 2, a temporary connecting bolt 3, an adjusting support leg 4 and a rubber bearing 5. The upper portion of the top plate 1 is connected with a bridge body, the lower portion of the top plate 1 is provided with a bottom plate 2, four top corners between the top plate 1 and the bottom plate 2 are respectively connected and fixed through temporary connecting bolts 3, gaps are formed between the top plate 1 and the bottom plate 2 through the temporary connecting bolts 3, and a support is formed by the top plate 1 and the bottom plate 2. The bottom of the bottom plate 2 is provided with adjusting feet 4, and in the embodiment, the number of the adjusting feet 4 is 4. A rubber mount 5 is provided in the gap between the top plate 1 and the bottom plate 2.
During the use, be connected roof 1 and bridge roof beam body, increase rubber support 5 between roof 1 and the bottom plate 2, then tighten up through interim connecting bolt 3. After the bottom plate 2 and the adjusting support feet 4 are adjusted, the integral device is poured into the support base stone.
In a preferred embodiment, the top plate 1 and the bottom plate 2 are both made of Q235 steel plate, both 360 × 560mm in size and 10mm in thickness. The top plate 1 is connected with the beam body in a welding or pre-embedding mode; nuts 6 (shown in fig. 2) matched with the temporary connecting bolts 3 are welded at the positions, corresponding to the temporary connecting bolts 3, of the lower end faces of the top plate 1 and the bottom plate 2, so that the temporary connecting bolts 3 can be conveniently connected for use.
In a preferred embodiment, as shown in fig. 3, a through hole 7 is formed in the bottom plate 2 at a position corresponding to the temporary connecting bolt 3, the temporary connecting bolt 3 is inserted into the through hole 7 to be connected with a nut 6 on the lower end surface of the top plate 1, and the nut 6 on the lower end surface of the bottom plate 2 can be screwed after the support is placed.
In the above embodiment, preferably, as shown in fig. 4 and 5, the adjusting leg 4 includes a sleeve 8, a ball screw 9, an adjusting nut 10, a limiting plate 11 and a fulcrum pad 12. The top of the sleeve 8 is connected with the bottom of the bottom plate 2, and the bottom of the sleeve 8 is provided with an opening; the screw end of the ball screw 9 is inserted into the sleeve 8 through the opening, an adjusting nut 10 is arranged at the opening of the sleeve 8, the adjusting nut 10 is in threaded connection with the ball screw 9, and the vertical adjustment of the support is realized by the adjusting nut 10 and the ball screw 9. Two ends of the limiting plate 11 are welded at two ends of the fulcrum backing plate 12, and a limiting space is formed between the two ends; the ball end of the ball screw 9 passes through the limiting plate 11 and is located in the limiting space and is tightly attached to the upper end face of the fulcrum backing plate 12, and the screw end of the ball screw 9 can freely rotate through the limiting plate 11 and the fulcrum backing plate 12.
During the use, limiting plate 11 and fulcrum backing plate 12 adopt the bolt to carry on spacingly with ball head screw rod 9, through adjusting nut 10 on 4 regulation stabilizer blades 4, and then adjust ball head screw rod 9's screw rod end height, and the height on four fulcrums of adjustment bottom plate 2 that can be convenient and ground guarantees to adjust stabilizer blade 4 and the close subsides on ground.
In a preferred embodiment, as shown in fig. 6 and 7, the limit plate 11 is formed by two L-shaped plates 13. The middle part of each L-shaped plate 13 is provided with a semicircular groove 14, and the diameter of the groove 14 is matched with the diameter of the ball head screw 9.
In summary, when the invention is applied to a concrete beam, the installation process of the adjusting device and the support is as follows:
during pouring, the top plate 1 is embedded in advance → the mounting support → the temporary connecting bolt 3 is screwed up → the adjusting ball head screw rod 9 is adjusted to enable all the 4 adjusting support legs 4 to be tightly pushed up → the stone-padded concrete is poured → the grouting at the bottom plate 2 → the temporary connecting bolt 3 is cut off.
When the invention aims at the steel beam, the installation process of the adjusting device and the support comprises the following steps:
mounting support → screwing temporary connecting bolt 3 → adjusting device is welded and connected with steel box girder through top plate 1 → hoisting steel girder → adjusting ball head screw 9 to make 4 adjusting support feet 4 all push tightly → pouring cushion stone concrete → bottom plate 2 grouting → cutting off temporary connecting bolt 3.
The regulating device of the invention has the following performance parameters, as shown in table 1.
TABLE 1 adjusting device Performance parameters
The adjusting device has simple structure, can be processed in a factory, can obtain other standard vertical supporting force by adjusting the size of the ball head screw 9, can conveniently solve the problem that the common rubber support cannot be adjusted in the installation process, and can effectively avoid the damage of the support caused by the installation defect.
The above embodiments are only for illustrating the present invention, and the structure, size, arrangement position and shape of each component can be changed, and on the basis of the technical scheme of the present invention, the improvement and equivalent transformation of the individual components according to the principle of the present invention should not be excluded from the protection scope of the present invention.

Claims (7)

1. The utility model provides a vertical adjusting device of bridge beam supports which characterized in that: comprises a top plate, a bottom plate, a temporary connecting bolt and an adjusting support leg; the upper part of the top plate is connected with a bridge body, the lower part of the top plate is provided with the bottom plate, four top corners between the top plate and the bottom plate are respectively connected and fixed through the temporary connecting bolts, and gaps are formed between the top plate and the bottom plate through the temporary connecting bolts; the bottom of the bottom plate is provided with the adjusting support leg;
the adjusting support legs comprise sleeves, adjusting nuts, ball head screws, fulcrum base plates and limiting plates; the top of the sleeve is connected with the bottom of the bottom plate, and the bottom of the sleeve is provided with an opening; the screw end of the ball-end screw is inserted into the sleeve through the opening, the adjusting nut is arranged at the opening of the sleeve, and the adjusting nut is in threaded connection with the ball-end screw; two ends of the limiting plate are welded at two ends of the fulcrum base plate, and a limiting space is formed between the two ends of the limiting plate; the ball head end of the ball head screw penetrates through the limiting plate to be positioned in the limiting space and is tightly attached to the upper end face of the fulcrum base plate;
the ball head screw is used for adjusting the heights of the four supporting points of the bottom plate and the ground, so that the adjusting supporting feet are closely attached to the ground, and the ball head screw also provides a vertical supporting force;
the limiting plate is composed of two L-shaped plates;
the middle part of each L-shaped plate is provided with a semicircular groove, and the diameter of the groove is matched with the diameter of a ball head of the ball head screw;
the height is adjusted through the adjusting nut and the ball head screw rod, and the angle is adjusted through the ball head screw rod and the limiting plate.
2. The adjustment device of claim 1, wherein: the number of the adjusting feet is 4.
3. The adjustment device of claim 1, wherein: and a rubber support is arranged in a gap between the top plate and the bottom plate.
4. The adjustment device of claim 1, wherein: the top plate and the bottom plate are made of Q235 steel plates.
5. The adjustment device of claim 1, wherein: the top plate is connected with the beam body in a welding or pre-embedding mode.
6. The adjustment device of claim 1, wherein: and nuts matched with the temporary connecting bolts are welded at the positions, corresponding to the temporary connecting bolts, of the lower end surfaces of the top plate and the bottom plate.
7. The adjustment device of claim 1, wherein: the bottom plate is provided with a through hole at a position corresponding to the temporary connecting bolt, and the temporary connecting bolt is connected with a nut penetrating through the through hole and arranged on the lower end face of the top plate.
CN201811285588.4A 2018-10-31 2018-10-31 Vertical adjusting device of bridge beam supports Active CN109235246B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811285588.4A CN109235246B (en) 2018-10-31 2018-10-31 Vertical adjusting device of bridge beam supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811285588.4A CN109235246B (en) 2018-10-31 2018-10-31 Vertical adjusting device of bridge beam supports

Publications (2)

Publication Number Publication Date
CN109235246A CN109235246A (en) 2019-01-18
CN109235246B true CN109235246B (en) 2020-10-27

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853483A (en) * 2019-01-29 2019-06-07 中国一冶集团有限公司 Water gate ground sill limiting and fixing device and method
CN109802323A (en) * 2019-03-20 2019-05-24 彭伶铭 A kind of box-type substation being moved easily
CN110387812A (en) * 2019-08-07 2019-10-29 扬州工业职业技术学院 A kind of shock insulation road and bridge support
CN110453594A (en) * 2019-09-06 2019-11-15 郑州航空工业管理学院 A kind of adjustable Bridge Support Replacement method of support force

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100381835B1 (en) * 2000-07-28 2003-05-01 주식회사 케이.알 Device for moving a bridge shoe and instituting method using thereof
KR101356134B1 (en) * 2010-10-11 2014-01-28 주식회사 베스탑 Height Adjustable And Excellent Fixing Of The Bridge Bearing
CN202220323U (en) * 2011-09-28 2012-05-16 中铁二院工程集团有限责任公司 Spherical hinge type vertical limit device for bridge
KR101468068B1 (en) * 2014-02-24 2014-12-02 주식회사 다인건설 Close adhesion device for bridge
CN204662257U (en) * 2015-06-04 2015-09-23 武蕴馥 A kind of automatic leveling bridge pad
CN207003230U (en) * 2017-05-26 2018-02-13 中铁二院工程集团有限责任公司 Adjustable damping bearing

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