CN112342942A - Bridge bottom reinforcing device - Google Patents
Bridge bottom reinforcing device Download PDFInfo
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- CN112342942A CN112342942A CN202011388641.0A CN202011388641A CN112342942A CN 112342942 A CN112342942 A CN 112342942A CN 202011388641 A CN202011388641 A CN 202011388641A CN 112342942 A CN112342942 A CN 112342942A
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- arc
- threaded
- rod
- support
- frame
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention discloses a bridge bottom reinforcing device, which belongs to the technical field of bridge reinforcement and comprises arc-shaped supporting frames, adjustable supporting rod assemblies, a bottom steel plate and a base, wherein the bottom of each arc-shaped supporting frame is correspondingly provided with one adjustable supporting rod assembly, the arc-shaped supporting frames are a plurality of blocks and are supported by the adjustable supporting rod assemblies to be abutted against the bottom of a bridge, two adjacent arc-shaped supporting frames are hinged with each other, the lower ends of the adjustable supporting rod assemblies are connected to the bottom steel plate, the bottom steel plate is supported by the base, and the base is pre-buried below the ground. The device can adapt to the structural shapes of most deformed beam bottoms, thereby improving the installation efficiency and the reinforcing stability and saving the construction cost.
Description
Technical Field
The invention belongs to the technical field of bridge reinforcement, and particularly relates to a bridge bottom reinforcing device.
Background
In the past decades, along with the development of the economic level of China, correspondingly, the traffic volume and the load of automobiles are also greatly increased, a plurality of bridges are damaged in different degrees, and the old bridges are reinforced, so that the old bridges can continue to serve as public transportation and become the problem to be solved urgently at present.
In the scheme, prefabricated components are designed and manufactured in advance according to a beam bottom structure of a bridge, and then a reinforcing device is tightly combined with the beam bottom of the stone arch bridge to support the beam bottom of the bridge. Therefore, it is urgently needed to provide a bridge bottom reinforcing device, which can adapt to the structural shape of most deformed beam bottoms, thereby improving the installation efficiency and the reinforcing stability and saving the construction cost.
Disclosure of Invention
In view of this, the present invention provides a bridge bottom reinforcing apparatus, which can adapt to the structural shape of most deformed beam bottoms, thereby improving the installation efficiency and the stability of reinforcement, and saving the construction cost.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a bridge bottom reinforcing device, which comprises arc-shaped supporting frames, adjustable supporting rod assemblies, bottom steel plates and a base, wherein the bottom of each arc-shaped supporting frame is correspondingly provided with one adjustable supporting rod assembly; the adjustable support rod component comprises a threaded long rod, a rotary mounting seat and a threaded short rod, the upper end of the threaded long rod is abutted to the arc-shaped support frame, the rotary mounting seat comprises a seat body, the upper portion of the seat body is formed and used for being matched with a mounting groove at the end part of the lower end of the threaded long rod, the lower portion of the seat body is formed and connected with a threaded hole formed in the threaded short rod, the lower end of the threaded short rod is connected with a bottom steel plate, and the threaded long rod can be driven to ascend or descend by rotating the rotary mounting seat.
Furthermore, the arc-shaped supporting frame comprises an arc-shaped top plate and a jig frame fixedly connected with the arc-shaped top plate, the jig frame comprises a square frame body and cross rods arranged in the frame body in a crossed mode, the jig frame is located on one side of the beam bottom, a first hinged portion is arranged on one side of the frame body, and a second hinged portion correspondingly hinged to the first hinged portion is arranged on the other side of the frame body.
Furthermore, the lower part of the arc-shaped top plate is provided with a positioning groove, and the upper end of the threaded long rod is abutted to the inside of the positioning groove.
Further, threaded rod's upper portion threaded connection has a sleeve, telescopic both sides articulate respectively and attach and support down tube and second and attach and support the down tube, first attach support down tube and second attach support down tube and still be provided with the elasticity resetting means between the sleeve, the elasticity resetting means is used for keeping first attaching the outer end that supports the down tube and the second attaches the support down tube and support the arc braced frame and support.
Further, the lower end of the sleeve is provided with a stopping device, and the stopping device is in threaded connection with the threaded long rod.
Further, the lower end of the threaded short rod is fixedly connected to a connecting plate, the connecting plate is connected with the bottom steel plate through a bolt, a through hole is formed in the connecting plate, a sliding groove is correspondingly formed in the bottom steel plate, and the bolt penetrates through the through hole and the sliding groove to connect the through hole and the sliding groove.
Further, the bases are arranged at the bottom of the bottom steel plate at intervals, and the sliding groove is located in a gap between every two adjacent bases.
Furthermore, an anchor is pre-buried in the base and is welded with the bottom steel plate.
The invention has the beneficial effects that:
according to the bridge bottom reinforcing device, the arc-shaped supporting frames are a plurality of pieces and are supported by the adjustable supporting rod assemblies to be abutted against the bridge bottom, and every two adjacent arc-shaped supporting frames are hinged to each other, so that the arc-shaped supporting frames can adapt to various radians, the technical problem that in the prior art, the arc-shaped supporting frames are not supported in place due to the fact that the radians are fixed is solved, each arc-shaped supporting frame can be attached to the bridge bottom through the support of the adjustable supporting rod assemblies, and the supporting effect is better.
In the device, the adjustable support rod component comprises a threaded long rod, a rotary mounting seat and a threaded short rod, the upper end of the threaded long rod is abutted to the arc-shaped support frame, the rotary mounting seat can drive the threaded long rod to ascend or descend, and after the installation is finished, the support length of the adjustable support rod component can be changed by adjusting the rotary mounting seat, so that the adjustable support rod component is convenient to install and disassemble, convenient to replace and maintain, and meanwhile, the pre-support force of the adjustable support rod component can be adjusted by changing the support length to deal with the bearing condition of a follow-up bridge, and further damage or destruction of the bridge is prevented.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is a schematic structural view of an arcuate support frame;
fig. 5 is a schematic layout of the susceptor.
The drawings are numbered as follows: the support device comprises an arc-shaped support frame 1, an arc-shaped top plate 11, a jig frame 12, a positioning groove 13, a frame body 111, a cross rod 112, a first hinge part 113, a second hinge part 114, an adjustable support rod assembly 2, a long threaded rod 21, a rotary mounting seat 22, a seat body 221, a mounting groove 222, a threaded hole 223, a short threaded rod 23, a bottom steel plate 3, a base 4, a sleeve 51, a first auxiliary support inclined rod 52, a second auxiliary support inclined rod 53, an elastic resetting device 54, a stopping device 55, a connecting plate 6, a sliding groove 7 and an anchor 8.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the description of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 5, the bridge bottom reinforcing device of the present invention comprises arc-shaped support frames, adjustable support rod assemblies, a bottom steel plate and a base, wherein the bottom of each arc-shaped support frame is correspondingly provided with one adjustable support rod assembly, the arc-shaped support frames are a plurality of arc-shaped support frames, and are supported by the adjustable support rod assemblies so as to abut against the bridge bottom, two adjacent arc-shaped support frames are hinged to each other, the lower ends of the adjustable support rod assemblies are connected to the bottom steel plate, the bottom steel plate is supported by the base, and the base is pre-buried under the ground; the adjustable support rod component comprises a threaded long rod, a rotary mounting seat and a threaded short rod, the upper end of the threaded long rod is abutted to the arc-shaped support frame, the rotary mounting seat comprises a seat body, the upper portion of the seat body is formed and used for being matched with a mounting groove at the end part of the lower end of the threaded long rod, the lower portion of the seat body is formed and connected with a threaded hole formed in the threaded short rod, the lower end of the threaded short rod is connected with a bottom steel plate, and the threaded long rod can be driven to ascend or descend by rotating the rotary mounting seat.
According to the bridge bottom reinforcing device, the arc-shaped supporting frames are a plurality of pieces and are supported by the adjustable supporting rod assemblies to be abutted against the bridge bottom, and every two adjacent arc-shaped supporting frames are hinged to each other, so that the arc-shaped supporting frames can adapt to various radians, the technical problem that in the prior art, the arc-shaped supporting frames are not supported in place due to the fact that the radians are fixed is solved, each arc-shaped supporting frame can be attached to the bridge bottom through the support of the adjustable supporting rod assemblies, and the supporting effect is better.
In the device, the adjustable support rod component comprises a threaded long rod, a rotary mounting seat and a threaded short rod, the upper end of the threaded long rod is abutted to the arc-shaped support frame, the rotary mounting seat can drive the threaded long rod to ascend or descend, and after the installation is finished, the support length of the adjustable support rod component can be changed by adjusting the rotary mounting seat, so that the adjustable support rod component is convenient to install and disassemble, convenient to replace and maintain, and meanwhile, the pre-support force of the adjustable support rod component can be adjusted by changing the support length to deal with the bearing condition of a follow-up bridge, and further damage or destruction of the bridge is prevented.
In this embodiment, arc braced frame include the arc roof and with the fixed bed-jig that links to each other of arc roof, the bed-jig includes that square framework and cross arrangement are in cross bar in the framework can guarantee the structural strength of support when reducing the materials, has practiced thrift the cost, has lightened weight. The jig frame is positioned on one side of the beam bottom, a first hinge part is arranged on one side of the frame body, a second hinge part correspondingly hinged with the first hinge part is arranged on the other side of the frame body, the first hinge part and the second hinge part can be connected in a pivot mode and are rotatably connected with the same pivot, and related connection modes belong to the prior art and are not repeated herein.
In this embodiment, the constant head tank has been seted up to the lower part of arc roof, the upper end butt of screw thread stock is in the constant head tank, can make things convenient for the location and the support of screw thread stock, prevent to support sliding after.
In the embodiment, the upper part of the threaded long rod is in threaded connection with a sleeve, the two sides of the sleeve are respectively hinged with a first attached supporting diagonal rod and a second attached supporting diagonal rod, the first attached supporting diagonal rod and the second attached supporting diagonal rod and the sleeve are also provided with an elastic resetting device, the elastic resetting device is used for keeping the outer ends of the first attached supporting diagonal rod and the second attached supporting diagonal rod to support the arc-shaped supporting frame, the first attached supporting diagonal rod and the second attached supporting diagonal rod can be used for assisting in supporting, the supporting effect is improved, the deformation of the arc-shaped supporting frame is reduced, the rollers are arranged at the outer ends of the first attached supporting diagonal rod and the second attached supporting diagonal rod, the angle adjustment of the first attached supporting diagonal rod and the second attached supporting diagonal rod before positioning can be facilitated, and the self-adaptive adjustment can be realized through the action of the elastic resetting device, in this embodiment, the elastic reset device is a reset torsion spring, is arranged between the outer walls of the supporting inclined rod and the sleeve, and has a certain reset restoring force.
In this embodiment, the lower end of the sleeve is provided with a stopping device, and the stopping device is in threaded connection with the threaded long rod. The stopping device adopts threads, and the stopping effect can be achieved by directly screwing, so that the looseness of the sleeve caused by the damage of the thread number on the upper part of the threaded outer rod is prevented.
In this embodiment, the lower end of the short screw rod is fixedly connected to a connecting plate, the connecting plate is connected to the bottom steel plate through a bolt, a through hole is formed in the connecting plate, a sliding groove is correspondingly formed in the bottom steel plate, and the bolt penetrates through the through hole and the sliding groove to connect the through hole and the sliding groove.
In this embodiment, the bases are arranged at the bottom of the bottom steel plate at intervals, and the sliding groove is located in a gap between two adjacent bases. In this embodiment, an anchor is pre-buried in the base, and the anchor is welded with the bottom steel plate, so that the two are connected more tightly.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a bridge beam bottom reinforcing apparatus which characterized in that: the adjustable support frame comprises arc-shaped support frames, adjustable support rod assemblies, bottom steel plates and a base, wherein the bottom of each arc-shaped support frame is correspondingly provided with one adjustable support rod assembly, the arc-shaped support frames are a plurality of blocks and are supported by the adjustable support rod assemblies to enable the arc-shaped support frames to be abutted against the bottom of a bridge beam, two adjacent arc-shaped support frames are hinged with each other, the lower ends of the adjustable support rod assemblies are connected to the bottom steel plates, the bottom steel plates are supported by the base, and the base is pre-buried below the ground; the adjustable support rod component comprises a threaded long rod, a rotary mounting seat and a threaded short rod, the upper end of the threaded long rod is abutted to the arc-shaped support frame, the rotary mounting seat comprises a seat body, the upper portion of the seat body is formed and used for being matched with a mounting groove at the end part of the lower end of the threaded long rod, the lower portion of the seat body is formed and connected with a threaded hole formed in the threaded short rod, the lower end of the threaded short rod is connected with a bottom steel plate, and the threaded long rod can be driven to ascend or descend by rotating the rotary mounting seat.
2. The bridge beam bottom reinforcement device of claim 1, characterized in that: the arc-shaped supporting frame comprises an arc-shaped top plate and a jig frame fixedly connected with the arc-shaped top plate, the jig frame comprises a square frame body and cross rods arranged in the frame body in a crossed mode, the jig frame is located on one side of the beam bottom, a first hinged portion is arranged on one side of the frame body, and a second hinged portion correspondingly hinged to the first hinged portion is arranged on the other side of the frame body.
3. The bridge beam bottom reinforcement device of claim 2, wherein: the lower part of the arc-shaped top plate is provided with a positioning groove, and the upper end of the threaded long rod is abutted to the inside of the positioning groove.
4. The bridge beam bottom reinforcement device of claim 1, characterized in that: the upper portion threaded connection of screw thread stock has a sleeve, telescopic both sides articulate respectively that first attach to support down tube and second attach and support the down tube, first attach to support the down tube and the second attach to support the down tube and still be provided with the elasticity resetting means between the sleeve, the elasticity resetting means is used for keeping first attach to support the down tube and the second attaches the outer end that supports the down tube and support the arc braced frame and support.
5. The bridge beam bottom reinforcement device of claim 4, wherein: the lower end of the sleeve is provided with a stop device, and the stop device is in threaded connection with the threaded long rod.
6. The bridge beam bottom reinforcement device of claim 1, characterized in that: the lower end of the threaded short rod is fixedly connected to a connecting plate, the connecting plate is connected with the bottom steel plate through a bolt, a through hole is formed in the connecting plate, a sliding groove is correspondingly formed in the bottom steel plate, and the bolt penetrates through the through hole and the sliding groove to connect the through hole and the sliding groove.
7. The bridge beam bottom reinforcement device of claim 6, wherein: the bases are arranged at the bottom of the bottom steel plate at intervals, and the sliding groove is located in a gap between every two adjacent bases.
8. The bridge beam bottom reinforcement device of claim 7, wherein: an anchor is pre-buried in the base, and the anchor is welded with the bottom steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388641.0A CN112342942A (en) | 2020-12-02 | 2020-12-02 | Bridge bottom reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388641.0A CN112342942A (en) | 2020-12-02 | 2020-12-02 | Bridge bottom reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112342942A true CN112342942A (en) | 2021-02-09 |
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ID=74427609
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011388641.0A Pending CN112342942A (en) | 2020-12-02 | 2020-12-02 | Bridge bottom reinforcing device |
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| Country | Link |
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| CN (1) | CN112342942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108489A (en) * | 2021-12-20 | 2022-03-01 | 安徽省公路桥梁工程有限公司 | Auxiliary device and method for installing steel beam pushing construction pushing support |
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|---|---|---|---|---|
| EP0089861A1 (en) * | 1982-03-22 | 1983-09-28 | CAMPENON BERNARD, Société Anonyme dite: | Method of reinforcing arches or similar constructions |
| CN102561213A (en) * | 2012-02-15 | 2012-07-11 | 中南大学 | Steel plate-concrete composite structure reinforcement method of structural negative moment region |
| CN106121222A (en) * | 2016-08-16 | 2016-11-16 | 山东天齐置业集团股份有限公司 | Mold method at the bottom of a kind of adjusting beam end template support means and beam |
| CN207436486U (en) * | 2017-10-21 | 2018-06-01 | 广西广投同力德科技有限公司 | More curved surfaces freely stretch construction form and shoring system equipment |
| CN207633231U (en) * | 2017-11-01 | 2018-07-20 | 金丽梅 | One kind being used for bridge maintaining supporting rack |
| CN208857716U (en) * | 2018-07-16 | 2019-05-14 | 深圳市路桥建设集团有限公司 | A kind of bridge strengthening supporting mechanism |
| CN210507175U (en) * | 2019-06-03 | 2020-05-12 | 辽宁省交通高等专科学校 | Support template device for reinforcing bridge |
| CN210917041U (en) * | 2019-09-16 | 2020-07-03 | 北京中交通华科技有限公司 | Bridge support column with auxiliary supporting function suitable for plateau |
| CN211395309U (en) * | 2019-12-20 | 2020-09-01 | 杭州西湖区市政工程有限公司 | Integral support type stone arch bridge reinforced structure |
-
2020
- 2020-12-02 CN CN202011388641.0A patent/CN112342942A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089861A1 (en) * | 1982-03-22 | 1983-09-28 | CAMPENON BERNARD, Société Anonyme dite: | Method of reinforcing arches or similar constructions |
| CN102561213A (en) * | 2012-02-15 | 2012-07-11 | 中南大学 | Steel plate-concrete composite structure reinforcement method of structural negative moment region |
| CN106121222A (en) * | 2016-08-16 | 2016-11-16 | 山东天齐置业集团股份有限公司 | Mold method at the bottom of a kind of adjusting beam end template support means and beam |
| CN207436486U (en) * | 2017-10-21 | 2018-06-01 | 广西广投同力德科技有限公司 | More curved surfaces freely stretch construction form and shoring system equipment |
| CN207633231U (en) * | 2017-11-01 | 2018-07-20 | 金丽梅 | One kind being used for bridge maintaining supporting rack |
| CN208857716U (en) * | 2018-07-16 | 2019-05-14 | 深圳市路桥建设集团有限公司 | A kind of bridge strengthening supporting mechanism |
| CN210507175U (en) * | 2019-06-03 | 2020-05-12 | 辽宁省交通高等专科学校 | Support template device for reinforcing bridge |
| CN210917041U (en) * | 2019-09-16 | 2020-07-03 | 北京中交通华科技有限公司 | Bridge support column with auxiliary supporting function suitable for plateau |
| CN211395309U (en) * | 2019-12-20 | 2020-09-01 | 杭州西湖区市政工程有限公司 | Integral support type stone arch bridge reinforced structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108489A (en) * | 2021-12-20 | 2022-03-01 | 安徽省公路桥梁工程有限公司 | Auxiliary device and method for installing steel beam pushing construction pushing support |
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Application publication date: 20210209 |
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