CN210441840U - Test platform for large bridge expansion joint device - Google Patents
Test platform for large bridge expansion joint device Download PDFInfo
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- CN210441840U CN210441840U CN201921346360.1U CN201921346360U CN210441840U CN 210441840 U CN210441840 U CN 210441840U CN 201921346360 U CN201921346360 U CN 201921346360U CN 210441840 U CN210441840 U CN 210441840U
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Abstract
The utility model provides a test platform for large-scale bridge expansion joint device, install on the first platform assembly that the drive strides the seam board support and carries out the horizontal corner driving piece of horizontal corner, carry out the lateral displacement driving piece of lateral displacement, carry out the vertical corner driving piece of vertical corner and carry out the torsional axis of axis and twist reverse the driving piece, fixed fishback is installed in second platform assembly top, install on the second platform assembly that the drive is fixed fishback and is made vertical displacement's vertical displacement driving piece of vertical displacement and make the vertical displacement driving piece of vertical displacement. This test platform's first platform assembly can carry out 4 degrees of freedom action tests of lateral displacement, horizontal corner, vertical corner, torsion angle, and the second platform assembly can carry out these two degrees of freedom action tests of vertical displacement and frictional resistance test to can accomplish simultaneously and test 6 degrees of freedom and frictional resistance test to the multidirectional expansion joint device that shifts of large-scale bridge unit, can simulate actual operating condition completely, this test platform easy dismounting moreover.
Description
Technical Field
The utility model relates to a device test platform especially relates to a test platform that is used for large-scale bridge expansion joint device.
Background
In order to meet the requirement of deformation of a bridge body, a bridge expansion joint device is generally arranged between two beam ends of a bridge, between the beam end and an abutment or on the hinged position of the bridge. At present, the more advanced bridge expansion joint devices generally have the functions of longitudinal displacement, longitudinal corners and horizontal corner three-way displacement at the same time so as to meet the requirements of most bridges on the bridge expansion joint devices, but some large bridges are influenced by factors such as environment, temperature, heavy load, strong wind, ocean current, tide and earthquake in the using process, and can generate transverse displacement, even generate torsional corners and vertical displacement besides the longitudinal displacement, the longitudinal corners and the horizontal corners, so that the bridge expansion joint devices form 6 degrees of freedom of the longitudinal displacement, the longitudinal corners, the horizontal corners, the transverse displacement, the torsional corners and the vertical displacement.
In order to make the use of the expansion joint installation of a bridge safer and more reliable, people usually test the expansion joint installation before it is installed by means of a test platform of the expansion joint installation. The test platform of the existing large-scale bridge unit multidirectional displacement expansion joint device can only carry out one or two degree of freedom tests at the same time, and cannot simultaneously complete the above 6 degree of freedom tests on the large-scale bridge unit multidirectional displacement expansion joint device, so that the test result of the test platform cannot accurately reflect the actual working state of the expansion joint device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to above-mentioned prior art current situation, provide a can carry out 6 degrees of freedom tests, the actual operating condition's of simulation expansion joint device test platform that is used for large-scale bridge expansion joint device to expansion joint device.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a test platform for large-scale bridge expansion joint device, including the first platform assembly that is used for installing the span seam fishback of expansion joint device and the second platform assembly that is used for installing fixed fishback, its characterized in that: the first platform assembly is including striding seam board support, spherical support and slide, stride the top at spherical support of seam board support fixation, the slide is installed in the bottom of spherical support, install the drive on the first platform assembly and stride the seam board support and carry out horizontal rotation angle driving piece, the drive of horizontal rotation angle, the drive of horizontal displacement driving piece, the drive of horizontal rotation angle are striden to seam board support and are carried out the axis of longitudinal rotation and twist reverse the driving piece that the seam board support carries out the axis and twist reverse the driving piece, fixed fishback is installed in second platform assembly top, installs the vertical displacement driving piece that the fixed fishback of drive made vertical displacement and the vertical displacement driving piece that makes longitudinal displacement on the second platform assembly.
Preferably, the horizontal corner driving member is a horizontal corner oil cylinder, the horizontal displacement driving member is a horizontal displacement oil cylinder, the longitudinal corner driving member is a longitudinal corner oil cylinder, and the axis torsion driving member is an axis torsion oil cylinder.
Further preferably, a horizontal rotation angle rotating shaft is installed on a central axis of the lower portion of the spherical support.
In order to enable the fixed comb plate to smoothly perform vertical displacement and longitudinal displacement, the second platform assembly comprises a sliding table and a lifting table arranged above the sliding table, the fixed comb plate is fixed on the lifting table, the vertical displacement driving piece is a vertical displacement oil cylinder which is arranged on the sliding table and used for driving the lifting table to perform lifting motion, and the longitudinal displacement driving piece is a longitudinal displacement oil cylinder which is arranged below the sliding table and used for driving the sliding table to perform longitudinal displacement.
In order to make the longitudinal displacement smoother, the bottom of the sliding table is provided with a roller.
Preferably, in any one of the above schemes, the bottom of the sliding plate is provided with a supporting block, and a gasket is arranged between the sliding plate and the supporting block.
Compared with the prior art, the utility model has the advantages of: this test platform's first platform assembly can carry out lateral displacement, horizontal corner, vertical corner, this 4 degrees of freedom action tests of torsion angle, second platform assembly can carry out these two degrees of freedom action tests of vertical displacement and frictional resistance test, thereby can accomplish simultaneously and shift 6 degrees of freedom tests and frictional resistance test to large-scale bridge unit multidirectional expansion joint device, be suitable for all large-scale bridge unit multidirectional expansion joint device tests that shift, can simulate expansion joint device actual operating condition completely, and this test platform easy dismounting.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first platform assembly according to an embodiment of the present invention;
fig. 3 is a top view of a first platform assembly according to an embodiment of the present invention;
fig. 4 is a schematic partial structural diagram of a second platform assembly according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the testing platform for a large bridge expansion joint device of this embodiment includes a first platform assembly 1 and a second platform assembly 2, the first platform assembly 1 is used to install a seam crossing comb plate 91 of the expansion joint device 9, the seam crossing comb plate 91 is a movable comb plate, and the second platform assembly 2 is used to install a fixed comb plate 92 of the expansion joint device 9.
The first platform assembly 1 comprises a seam crossing plate bracket 11, a spherical bearing 12 and a sliding plate 13. The seam crossing plate bracket 11 is fixed on the top of the spherical support 12, the sliding plate 13 is installed at the bottom of the spherical support 12, the support block 15 is installed at the bottom of the sliding plate 13, and the gasket 16 is installed between the sliding plate 13 and the support block 15. A horizontal rotation angle rotating shaft 14 is installed on the central axis of the lower part of the spherical support 12.
The first platform assembly 1 is provided with a horizontal corner driving part for driving the seam crossing plate bracket 11 to perform horizontal corner, a transverse displacement driving part for driving the seam crossing plate bracket to perform transverse displacement, a longitudinal corner driving part for driving the seam crossing plate bracket to perform longitudinal corner and an axis torsion driving part for driving the seam crossing plate bracket to perform axis torsion. In this embodiment, the horizontal corner driving member is a horizontal corner oil cylinder 3, the horizontal displacement driving member is a horizontal displacement oil cylinder 4, the longitudinal corner driving member is a longitudinal corner oil cylinder 5, and the axis torsion driving member is an axis torsion oil cylinder 6.
The fixed comb plate 92 is installed above the second platform assembly 2, and a vertical displacement driving member for driving the fixed comb plate 92 to make vertical displacement and a longitudinal displacement driving member for making longitudinal displacement are installed on the second platform assembly 2. Specifically, the second platform assembly 2 includes a sliding table 21 and a lifting table 22 disposed above the sliding table, the fixed comb plate 92 is fixed on the lifting table 22, the vertical displacement driving member is a vertical displacement cylinder 7 installed on the sliding table 21 and used for driving the lifting table 22 to perform lifting movement, and the longitudinal displacement driving member is a longitudinal displacement cylinder 8 installed below the sliding table 21 and used for driving the sliding table 21 to perform longitudinal displacement. In addition, in order to make the longitudinal movement of the second carriage assembly 2 smoother, rollers 23 are installed at the bottom of the slide table 21.
When testing bridge expansion joint device 9, install the expansion joint device 9 that awaits measuring strides seam fishback 91 on the board support 11 of striding of first platform assembly 1, install fixed fishback 92 on the elevating platform 22 of second platform assembly 2, realize the relative motion back of each platform through applying corresponding external force, can accomplish the transverse displacement of expansion joint device 9 simultaneously, horizontal corner, vertical corner, torsion angle, these 6 degrees of freedom tests of vertical displacement and vertical displacement, and, can also accomplish the frictional resistance test through applying vertical acting force at fixed fishback 92 on elevating platform 22, thereby truly reflect the actual operating condition of device in the expansion joint.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.
Claims (6)
1. The utility model provides a test platform for large bridge expansion joint device, includes first platform assembly (1) that is used for installing span seam fishback (91) of expansion joint device (9) and second platform assembly (2) that is used for installing fixed fishback (92), its characterized in that: the first platform assembly (1) comprises a seam crossing plate bracket (11), a spherical support (12) and a sliding plate (13), the seam crossing plate bracket (11) is fixed at the top of the spherical support (12), the sliding plate (13) is arranged at the bottom of the spherical support (12), a horizontal corner driving part for driving the seam crossing plate bracket to perform horizontal corner, a transverse displacement driving part for driving the seam crossing plate bracket to perform transverse displacement, a longitudinal corner driving part for driving the seam crossing plate bracket to perform longitudinal corner and an axis torsion driving part for driving the seam crossing plate bracket to perform axis torsion are arranged on the first platform assembly (1), the fixed comb plate (92) is arranged above the second platform assembly (2), a vertical displacement driving part for driving the fixed comb plate (92) to make vertical displacement and a longitudinal displacement driving part for making longitudinal displacement are arranged on the second platform assembly (2).
2. The test platform for large bridge expansion joint installation according to claim 1, wherein: the horizontal corner driving piece is a horizontal corner oil cylinder (3), the horizontal displacement driving piece is a horizontal displacement oil cylinder (4), the longitudinal corner driving piece is a longitudinal corner oil cylinder (5), and the axis torsion driving piece is an axis torsion oil cylinder (6).
3. The test platform for large bridge expansion joint installation according to claim 1, wherein: a horizontal corner rotating shaft (14) is arranged on the central axis of the lower part of the spherical support (12).
4. The test platform for large bridge expansion joint installation according to claim 1, wherein: the second platform assembly (2) comprises a sliding table (21) and a lifting table (22) arranged above the sliding table, the fixed comb plate (92) is fixed on the lifting table (22), the vertical displacement driving piece is a vertical displacement oil cylinder (7) which is arranged on the sliding table (21) and used for driving the lifting table (22) to do lifting motion, and the longitudinal displacement driving piece is a longitudinal displacement oil cylinder (8) which is arranged below the sliding table (21) and used for driving the sliding table (21) to do longitudinal displacement.
5. The test platform for large bridge expansion joint installation according to claim 4, wherein: and a roller (23) is arranged at the bottom of the sliding table (21).
6. The test platform for large bridge expansion joint installation according to any one of claims 1 to 5, wherein: supporting blocks (15) are installed at the bottom of the sliding plate (13), and gaskets (16) are installed between the sliding plate (13) and the supporting blocks (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921346360.1U CN210441840U (en) | 2019-08-19 | 2019-08-19 | Test platform for large bridge expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921346360.1U CN210441840U (en) | 2019-08-19 | 2019-08-19 | Test platform for large bridge expansion joint device |
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| Publication Number | Publication Date |
|---|---|
| CN210441840U true CN210441840U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921346360.1U Active CN210441840U (en) | 2019-08-19 | 2019-08-19 | Test platform for large bridge expansion joint device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482218A (en) * | 2020-12-04 | 2021-03-12 | 中路高科交通检测检验认证有限公司 | Detection device and detection method for comb plate type expansion joint device |
| CN113155599A (en) * | 2021-02-25 | 2021-07-23 | 温州际高检测仪器有限公司 | Mechanical property tester for finished product of building deformation joint device |
| CN115307891A (en) * | 2022-08-13 | 2022-11-08 | 杭州市交通工程试验检测中心有限公司 | Expansion joint tester |
| CN117571518A (en) * | 2024-01-15 | 2024-02-20 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
-
2019
- 2019-08-19 CN CN201921346360.1U patent/CN210441840U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482218A (en) * | 2020-12-04 | 2021-03-12 | 中路高科交通检测检验认证有限公司 | Detection device and detection method for comb plate type expansion joint device |
| CN113155599A (en) * | 2021-02-25 | 2021-07-23 | 温州际高检测仪器有限公司 | Mechanical property tester for finished product of building deformation joint device |
| CN113155599B (en) * | 2021-02-25 | 2022-06-10 | 温州际高检测仪器有限公司 | Mechanical property tester for finished product of building deformation joint device |
| CN115307891A (en) * | 2022-08-13 | 2022-11-08 | 杭州市交通工程试验检测中心有限公司 | Expansion joint tester |
| CN117571518A (en) * | 2024-01-15 | 2024-02-20 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
| CN117571518B (en) * | 2024-01-15 | 2024-05-07 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
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