CN107142828B - Hollow slab bridge with spring pin for transverse connection - Google Patents
Hollow slab bridge with spring pin for transverse connection Download PDFInfo
- Publication number
- CN107142828B CN107142828B CN201710489865.2A CN201710489865A CN107142828B CN 107142828 B CN107142828 B CN 107142828B CN 201710489865 A CN201710489865 A CN 201710489865A CN 107142828 B CN107142828 B CN 107142828B
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- CN
- China
- Prior art keywords
- sleeve
- connecting pipe
- spring
- pin
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The hollow slab bridge utilizing the spring pin for transverse connection comprises a bridge deck beam formed by arranging a plurality of hollow slab beams in parallel and a transverse connector which transversely penetrates through the bridge deck beam, wherein the transverse connector comprises a connecting pipe and the spring pin arranged in the connecting pipe; the spring pin can extend out of the connecting pipe to be propped against the inner side wall of the hollow slab beam under the pushing of the spring, the single plate is reinforced by the transverse connecting piece, the stress of the single plate can be avoided, the service life of the bridge is prolonged, the structure is simple, the engineering construction quality is easy to guarantee, the stress performance is good, the reinforcing effect is obvious, the construction is convenient and quick, and the popularization is facilitated.
Description
Technical Field
The invention relates to a bridge building, in particular to a hollow slab bridge which is transversely connected by using spring pins.
Background
The concrete hollow slab bridge is a bridge with a spanning structure formed by a plurality of hollow slab longitudinal beams along the bridge direction, has the advantages of convenient construction, lower engineering cost, standardized centralized prefabrication production, small building height and the like, but the concrete hollow slab bridge in the prior art is easy to have functions and structural diseases of different degrees, hinge joint concrete defects, breakage and long section falling off, meanwhile, due to the fact that the construction method of the concrete hollow slab bridge is improper, the hinge joint width between the actually constructed hollow slab beams is far greater than the designed hinge joint width, after a period of operation, the hinge joint is extremely easy to generate diseases, so that the bridge transverse force transmission performance is degraded, the bridge deck is easy to generate longitudinal cracks along the hinge joint, the normal use of the hollow slab bridge is influenced, and the slab-by-slab damage possibly occurs due to single slab stress in serious cases.
Therefore, a hollow slab bridge using spring pins for transverse connection is needed, the transverse overall structural performance of the concrete hollow slab bridge is improved, the stress of single slabs is avoided, and the service life of the bridge is prolonged.
Disclosure of Invention
Therefore, the invention aims to provide the hollow slab bridge which is transversely connected by the spring pin, so that the transverse overall structural performance of the concrete hollow slab bridge is improved, the stress of a single slab is avoided, and the service life of the bridge is prolonged.
The hollow slab bridge utilizing the spring pins to carry out transverse connection comprises a bridge deck beam formed by arranging a plurality of hollow slab beams in parallel and a transverse connector which transversely penetrates through the bridge deck beam, wherein the transverse connector comprises a connecting pipe and the spring pins arranged in the connecting pipe; the spring pin can extend out of the connecting pipe to prop against the inner side wall of the hollow slab beam under the pushing of the spring;
further, the transverse connecting piece further comprises a sleeve which is sleeved outside the connecting pipe in a rotatable mode, openings are distributed on the outer circle of the sleeve, the sleeve can rotate relative to the connecting pipe until the openings are opposite to the spring pins, and the spring pins extend out of the connecting pipe through the openings;
further, the spring pins are in a plurality of pairs and are arranged in one-to-one correspondence with the hollow plate beams, and each pair of spring pins respectively abuts against two opposite inner side walls of the corresponding hollow plate beam;
further, a pin sleeve for accommodating the spring pin is penetrated in the connecting pipe along the radial direction; the spring pin comprises two cylindrical pins which are in sliding fit in the pin sleeve and a spring which is sprung between the two cylindrical pins;
further, the cylindrical pin is provided with a limiting ring for limiting the sliding of the cylindrical pin out of the connecting pipe;
further, a lubricating layer made of self-lubricating materials is arranged on the inner circle of the sleeve;
further, a ring groove is formed in the section, extending out of the connecting pipe, of the cylindrical pin, and the sleeve can rotate until the pipe wall of the sleeve is clamped into the ring groove.
The beneficial effects of the invention are as follows: the hollow slab bridge which is transversely connected by the spring pins is characterized in that transverse through holes are reserved in the hollow slab beams, the hollow slab beams are arranged in parallel to form the bridge surface beams, the connecting pipes are inserted and penetrate through the whole bridge surface beams, before the connecting pipes are inserted, the openings on the sleeves are not opposite to the spring pins, the outlets of the spring pins are sealed by the walls of the sleeves, when the connecting pipes and the sleeves penetrate through the bridge surface beams together and are positioned at the set positions, the sleeves are rotated, the openings on the sleeves are opposite to the outlets of the spring pins, so that part of the spring pins can eject out of the connecting pipes to prop against the inner side walls of the hollow slab beams, and transverse loads born by the hollow slab beams are transmitted to the connecting pipes through the spring pins.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the connecting pipe of the present invention before passing through the bridge deck;
FIG. 3 is a schematic view of the structure of the connecting pipe of the present invention after passing through the bridge deck;
fig. 4 is a top view of the sleeve of the present invention.
Detailed Description
FIG. 1 is a schematic diagram of the structure of the present invention, as shown in the drawings: the hollow slab bridge using the spring pin for transverse connection comprises a bridge deck beam formed by arranging a plurality of hollow slab beams 7 in parallel and a transverse connector which transversely penetrates through the bridge deck beam, wherein the transverse connector comprises a connecting pipe 2 and the spring pin arranged in the connecting pipe 2; the spring pin can extend out of the connecting pipe 2 to prop against the inner side wall of the hollow plate beam 7 under the pushing of the spring 1; the hollow slab beam 7 is reserved with transverse through holes, after the hollow slab beam is arranged side by side to form a bridge surface beam, the connecting pipe 2 is inserted and penetrates through the whole bridge surface beam, before the connecting pipe 2 is inserted, the opening 6 on the sleeve 3 is not opposite to the spring pin, the outlet of the spring pin is sealed by the wall of the sleeve 3, when the connecting pipe 2 and the sleeve 3 penetrate through the bridge surface beam together and are positioned at a set position, the sleeve 3 is rotated, the opening 6 on the sleeve 3 is opposite to the outlet of the spring pin, a part of the spring pin can eject out of the connecting pipe 2 to prop against the inner side wall of the hollow slab beam 7, and the transverse load born by the hollow slab beam 7 is transmitted to the connecting pipe through the spring pin.
In this embodiment, the transverse coupling member further includes a sleeve 3 rotatably sleeved on the coupling tube 2, openings 6 are distributed on an outer circumference of the sleeve 3, the sleeve 3 can rotate relative to the coupling tube 2 until the openings 6 are opposite to the spring pins, so that the spring pins extend out of the coupling tube 2 through the openings 6, the openings 6 should correspond to the number of the cylindrical pins 4 one by one, and positions of the openings 6 along the transverse direction of the bridge should be consistent with positions of the cylindrical pins 4 corresponding to the openings, so that the openings 6 can be opposite to the cylindrical pins 4 after the sleeve 3 rotates relative to the coupling tube 2.
In this embodiment, the spring pins are multiple pairs and are arranged in one-to-one correspondence with the hollow plate beams 7, and each pair of spring pins respectively abuts against two opposite inner side walls of the corresponding hollow plate beam 7, so that the connecting pipe 2 can be fixed relative to the bridge deck beam along the transverse direction of the bridge.
In the embodiment, a pin sleeve for accommodating the spring pin is penetrated in the connecting pipe along the radial direction; the spring pin comprises two cylindrical pins 4 which are in sliding fit in the pin sleeve and a spring 1 which is sprung between the two cylindrical pins 4.
In this embodiment, the cylindrical pin 4 is provided with a limiting ring for limiting the sliding of the cylindrical pin to the outside of the connecting pipe 2, so as to avoid the cylindrical pin 4 from falling out of the connecting pipe 2.
In this embodiment, a lubricating layer made of self-lubricating material (polytetrafluoroethylene) is disposed on the inner circle of the sleeve 3, so as to ensure that the sleeve 3 can rotate relative to the connecting pipe 2.
In this embodiment, the section of the cylindrical pin 4 extending out of the connecting tube 2 is provided with a ring groove 5 along the circumferential direction, the sleeve 3 can rotate until the tube wall thereof is clamped into the ring groove 5, when the sleeve 3 rotates until the outlet of the sleeve is opposite to the elastic pin, the cylindrical pin 4 extends out of the connecting tube, the sleeve 3 continues to rotate, so that the hole wall of the opening 6 of the sleeve 3 is embedded into the ring groove 5 of the cylindrical pin 4, and the cylindrical pin 4 is ensured not to retract into the connecting tube 2.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. A hollow slab bridge for lateral coupling using spring pins, characterized in that: the bridge deck girder comprises bridge deck girders formed by arranging a plurality of hollow plate girders in parallel and transverse connectors penetrating through the bridge deck girders in the transverse direction, wherein each transverse connector comprises a connecting pipe and a spring pin arranged in the connecting pipe; the spring pin can extend out of the connecting pipe to prop against the inner side wall of the hollow slab beam under the pushing of the spring; the transverse connecting piece also comprises a sleeve which is sleeved outside the connecting pipe in a rotatable manner, openings are distributed on the outer circle of the sleeve, the sleeve can rotate relative to the connecting pipe until the openings are opposite to the spring pins, and the spring pins extend out of the connecting pipe through the openings;
after the hollow plate girders are arranged in parallel to form a bridge surface girder, a connecting pipe can be inserted into and penetrates through the whole bridge surface girder, before the connecting pipe is inserted, an opening on a sleeve is not opposite to a spring pin, the outlet of the spring pin is sealed by the wall of the sleeve, when the connecting pipe and the sleeve penetrate through the bridge surface girder together and are positioned at a set position, the sleeve is rotated to enable the opening on the sleeve to be opposite to the outlet of the spring pin, so that a part of the spring pin can pop out of the connecting pipe and prop against the inner side wall of the hollow plate girder, and transverse load born by the hollow plate girder is transmitted to a connecting pipe through the spring pin;
a pin sleeve for accommodating the spring pin is penetrated in the connecting pipe along the radial direction; the spring pin comprises two cylindrical pins which are in sliding fit in the pin sleeve and a spring which is sprung between the two cylindrical pins;
the section of the cylindrical pin extending out of the connecting pipe is provided with a ring groove along the circumferential direction, and the sleeve can rotate until the pipe wall of the sleeve is clamped into the ring groove; when the sleeve rotates to enable the opening of the sleeve to be opposite to the elastic pin, the cylindrical pin stretches out of the connecting pipe, and the sleeve continues to rotate, so that the hole wall of the opening of the sleeve is embedded into the annular groove of the cylindrical pin, and the cylindrical pin can not retract into the connecting pipe.
2. The hollow slab bridge with spring pins for lateral attachment as defined in claim 1, wherein: the spring pins are arranged in a plurality of pairs and correspond to the hollow plate beams one by one, and each pair of spring pins respectively abuts against the two opposite inner side walls of the corresponding hollow plate beam.
3. The hollow slab bridge with spring pins for lateral attachment as defined in claim 1, wherein: the cylindrical pin is provided with a limiting ring for limiting the sliding of the cylindrical pin out of the connecting pipe.
4. A hollow slab bridge with spring pins for lateral attachment as defined in claim 3, wherein: and a lubricating layer made of self-lubricating materials is arranged on the inner circle of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489865.2A CN107142828B (en) | 2017-06-24 | 2017-06-24 | Hollow slab bridge with spring pin for transverse connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489865.2A CN107142828B (en) | 2017-06-24 | 2017-06-24 | Hollow slab bridge with spring pin for transverse connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107142828A CN107142828A (en) | 2017-09-08 |
| CN107142828B true CN107142828B (en) | 2023-10-27 |
Family
ID=59782100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489865.2A Active CN107142828B (en) | 2017-06-24 | 2017-06-24 | Hollow slab bridge with spring pin for transverse connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107142828B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094057A (en) * | 1990-01-16 | 1992-03-10 | Morris Phillip L | Anchor for simulated marble panels and the like |
| CN101761349A (en) * | 2009-12-25 | 2010-06-30 | 中国地质科学院探矿工艺研究所 | Anchor cable auxiliary mounting system |
| CN201843534U (en) * | 2010-10-08 | 2011-05-25 | 王海峰 | Quick-connect auger stem used for roadway supporting and anchoring |
| CN102482882A (en) * | 2009-08-14 | 2012-05-30 | 亚尔巴顿私人有限公司 | A bar coupler |
| CN103104271A (en) * | 2013-02-21 | 2013-05-15 | 中国矿业大学 | Anchor cable breakage impact buffering and protecting device |
| CN203795308U (en) * | 2014-04-21 | 2014-08-27 | 福州大学 | Hinged hollow slab girder bridge structure |
| CN205954859U (en) * | 2016-07-26 | 2017-02-15 | 德卡科技有限公司 | Embedding anchor |
-
2017
- 2017-06-24 CN CN201710489865.2A patent/CN107142828B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094057A (en) * | 1990-01-16 | 1992-03-10 | Morris Phillip L | Anchor for simulated marble panels and the like |
| CN102482882A (en) * | 2009-08-14 | 2012-05-30 | 亚尔巴顿私人有限公司 | A bar coupler |
| CN101761349A (en) * | 2009-12-25 | 2010-06-30 | 中国地质科学院探矿工艺研究所 | Anchor cable auxiliary mounting system |
| CN201843534U (en) * | 2010-10-08 | 2011-05-25 | 王海峰 | Quick-connect auger stem used for roadway supporting and anchoring |
| CN103104271A (en) * | 2013-02-21 | 2013-05-15 | 中国矿业大学 | Anchor cable breakage impact buffering and protecting device |
| CN203795308U (en) * | 2014-04-21 | 2014-08-27 | 福州大学 | Hinged hollow slab girder bridge structure |
| CN205954859U (en) * | 2016-07-26 | 2017-02-15 | 德卡科技有限公司 | Embedding anchor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107142828A (en) | 2017-09-08 |
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