CN203385620U - Static-load test rack of concrete bridge - Google Patents
Static-load test rack of concrete bridge Download PDFInfo
- Publication number
- CN203385620U CN203385620U CN201320493007.2U CN201320493007U CN203385620U CN 203385620 U CN203385620 U CN 203385620U CN 201320493007 U CN201320493007 U CN 201320493007U CN 203385620 U CN203385620 U CN 203385620U
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- Prior art keywords
- bridge
- longeron
- loading
- sill
- pull bar
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Abstract
The utility model discloses a static-load test rack of a concrete bridge. The static-load test rack comprises a lower beam and longitudinal beams, wherein a connecting beam is arranged between the two longitudinal beams; double-ended thread draw bars are arranged between longitudinal beam draw bar fixing bases and lower beam draw bar fixing bases and are used for limiting maximum spacing between the longitudinal beams and the lower beam by nuts at two ends; five loading beams vertical to trend of the longitudinal beams are arranged on the lower end surfaces of the longitudinal beams; a plurality of bumps are symmetrically arranged on the bottom of each loading beam; a plurality of lifting jacks, corresponding to the bumps, are arranged on the upper surface of the bridge; the tops of the lifting jacks contact bumps on the loading beams; a supporting base for supporting the bridge is arranged on the lower beam; a plurality of supporting blocks are arranged on the supporting base. The static-load test rack of the concrete bridge disclosed by the utility model is simple in structure, light in weight and convenient to mount, dismount and transport, load supported by the loading beams is uniform in a loading process, and the lower beam is unlikely to deform.
Description
Technical field
The utility model relates to a kind of concrete-bridge static test frame, belongs to the Bridge Testing Equipment field.
Background technology
Precast bridge for rail/road must check its workmanship and performance parameter through static test, meets the requirements and can use.Current test stand is mostly the steel construction test stand, as Chinese patent CN201122142Y discloses a kind of prestressed concrete pre-tensioned case beam static test pedestal, this pedestal need to be at the underground grade beam that huge reinforced concrete structure is set, therefore, after the Liang Chang of a place construction finishes, the grade beam of building also goes out of use thereupon, has not only wasted resource, and has destroyed ecologic environment.And for example Chinese patent CN202994491U discloses a kind of box bridge static test frame, and this test stand can move and reuse at the beam inter-plant, and still, the loading beam of this test stand is subject to load inhomogeneous, easily is out of shape, and affects the accuracy of test figure; In addition, sill bears moment of torsion, easily produces torsional deflection.
The utility model content
The purpose of this utility model is to provide a kind of concrete-bridge static test frame, and this test stand is simple in structure, lightweight, loading beam is subject to load even in dismounting convenient transportation, loading procedure, and sill is not yielding.
The technical solution adopted in the utility model is:
A kind of concrete-bridge static test frame, comprise the sill that is arranged at below, bridge two ends and two longerons that are arranged at the bridge top, be provided with tie-beam between described two longerons, the two ends of described longeron are provided with longeron pull bar holder, the two ends of sill are provided with sill pull bar holder, be provided with the double thread pull bar between described longeron pull bar holder and sill pull bar holder, the nut of double thread drawing rod via two end limits the maximum spacing of longeron and sill, be provided with five loading beams perpendicular to the longeron trend on the lower surface of described longeron, be symmetrically arranged with several projections on the bottom of each described loading beam, correspond to projection on the upper surface of described bridge and be provided with a plurality of lifting jack, the top of described each lifting jack all contacts with the projection on loading beam, be provided with the supporting seat of supporting bridge on described sill, be provided with a plurality of back-up blocks on described supporting seat.
Between the two ends of described tie-beam and longeron, be hinged.
Projection on the bottom of each described loading beam is three.
The utility model has the advantages that: in simple in structure, lightweight, dismounting convenient transportation, loading procedure, loading beam is subject to load even, and sill is not yielding.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
The side view that Fig. 2 is this Fig. 1.
Wherein: 1, bridge, 2, sill, 3, longeron, 4, tie-beam, 5, longeron pull bar holder, 6, sill pull bar holder, 7, the double thread pull bar, 8, loading beam, 9, projection, 10, lifting jack, 11, supporting seat, 12, back-up block.
Embodiment
As depicted in figs. 1 and 2, a kind of concrete-bridge static test frame, comprise the sill 2 that is arranged at bridge 1 below, two ends and two longerons 3 that are arranged at bridge 1 top, be provided with tie-beam 43 of two longerons, be provided with longeron pull bar holder 5 on the two ends of longeron 3, be provided with sill pull bar holder 6 at the two ends of sill 2, be provided with double thread pull bar 7 at longeron pull bar holder 5 and 6 of sill pull bar holders, double thread pull bar 7 limits the maximum spacing of longeron 3 and sill 2 by the nut at two ends, be provided with five loading beams 8 perpendicular to the longeron trend on the lower surface of longeron 3, be symmetrically arranged with three projections 9 on the bottom of each described loading beam 8, correspond to projection 9 and be provided with three lifting jack 10 on the upper surface of bridge, the top of each lifting jack 10 all contacts with the projection 9 on loading beam, like this, in loading procedure, loading beam 8 is subject to load even, load is inhomogeneous, and local deformation occurs because being subject to can effectively to avoid loading beam, be provided with the supporting seat 11 of supporting bridge simultaneously on sill 2, the length of supporting seat 11 is not less than the width of bridge bottom, and being provided with a plurality of back-up blocks 12 on supporting seat 11, supporting seat 11 can strengthen the moment of torsion that bears of sill 2, avoids sill 2 to produce to reverse and deforms.Be the hinged mode that adopts between the two ends of tie-beam and longeron simultaneously, not only easy for installation, and can improve the load-bearing capacity of longeron 3.
Claims (3)
1. a concrete-bridge static test frame, comprise the sill that is arranged at below, bridge two ends and two longerons that are arranged at the bridge top, be provided with tie-beam between described two longerons, the two ends of described longeron are provided with longeron pull bar holder, the two ends of sill are provided with sill pull bar holder, be provided with the double thread pull bar between described longeron pull bar holder and sill pull bar holder, the nut of double thread drawing rod via two end limits the maximum spacing of longeron and sill, be provided with five loading beams perpendicular to the longeron trend on the lower surface of described longeron, it is characterized in that: be symmetrically arranged with several projections on the bottom of each described loading beam, correspond to projection on the upper surface of described bridge and be provided with a plurality of lifting jack, the top of described each lifting jack all contacts with the projection on loading beam, be provided with the supporting seat of supporting bridge on described sill, be provided with a plurality of back-up blocks on described supporting seat.
2. according to the described a kind of concrete-bridge static test frame of claims 1, it is characterized in that: between the two ends of described tie-beam and longeron, be hinged.
3. according to the described a kind of concrete-bridge static test frame of claims 1 or 2, it is characterized in that: the projection on the bottom of each described loading beam is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320493007.2U CN203385620U (en) | 2013-08-14 | 2013-08-14 | Static-load test rack of concrete bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320493007.2U CN203385620U (en) | 2013-08-14 | 2013-08-14 | Static-load test rack of concrete bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385620U true CN203385620U (en) | 2014-01-08 |
Family
ID=49874097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320493007.2U Expired - Fee Related CN203385620U (en) | 2013-08-14 | 2013-08-14 | Static-load test rack of concrete bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203385620U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340185A (en) * | 2017-06-22 | 2017-11-10 | 北京华横新技术开发公司 | A kind of bridge static loading test pre-stressed steel pipe concrete self-balancing type static test bed |
| CN110146246A (en) * | 2019-06-03 | 2019-08-20 | 中铁大桥局集团有限公司 | A kind of impact test test platform and test device and lifting buffer test method |
| CN110926841A (en) * | 2019-12-09 | 2020-03-27 | 朱蓓 | Use method of bearing capacity inspection device for bridge acceptance inspection |
| CN111337343A (en) * | 2018-12-19 | 2020-06-26 | 比亚迪股份有限公司 | Beam static load test device |
| CN115450270A (en) * | 2022-10-26 | 2022-12-09 | 上海公路桥梁（集团）有限公司 | Loading method for prestress box girder bearing capacity failure test |
-
2013
- 2013-08-14 CN CN201320493007.2U patent/CN203385620U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340185A (en) * | 2017-06-22 | 2017-11-10 | 北京华横新技术开发公司 | A kind of bridge static loading test pre-stressed steel pipe concrete self-balancing type static test bed |
| CN111337343A (en) * | 2018-12-19 | 2020-06-26 | 比亚迪股份有限公司 | Beam static load test device |
| CN110146246A (en) * | 2019-06-03 | 2019-08-20 | 中铁大桥局集团有限公司 | A kind of impact test test platform and test device and lifting buffer test method |
| CN110146246B (en) * | 2019-06-03 | 2020-12-29 | 中铁大桥局集团有限公司 | Impact test platform, test device and hoisting buffer test method |
| CN110926841A (en) * | 2019-12-09 | 2020-03-27 | 朱蓓 | Use method of bearing capacity inspection device for bridge acceptance inspection |
| CN115450270A (en) * | 2022-10-26 | 2022-12-09 | 上海公路桥梁（集团）有限公司 | Loading method for prestress box girder bearing capacity failure test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YANGZHOU SURVEY DESIGN RESEARCH INSTITUTE CO., LTD. Assignor: Wang Peng Contract record no.: 2014320000566 Denomination of utility model: A kind of concrete-bridge static test frame Granted publication date: 20140108 License type: Exclusive License Record date: 20140715 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |