CN210465149U - Comprehensive test bed for deformation bearing performance of highway bridge expansion device - Google Patents
Comprehensive test bed for deformation bearing performance of highway bridge expansion device Download PDFInfo
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- CN210465149U CN210465149U CN201921076294.0U CN201921076294U CN210465149U CN 210465149 U CN210465149 U CN 210465149U CN 201921076294 U CN201921076294 U CN 201921076294U CN 210465149 U CN210465149 U CN 210465149U
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- bearing performance
- fixed arm
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
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Abstract
The utility model provides a highway bridge telescoping device warp bearing capacity combined test platform, including workstation, perpendicular loading subassembly, horizontal loading subassembly, wherein horizontal loading subassembly is equipped with the space that is used for placing the sample including setting up a rectangular shape fixed arm and a rectangular shape digging arm on the workstation between fixed arm and the digging arm, digging arm one side is connected with two-way actuating mechanism, two-way actuating mechanism can drive the digging arm orientation is close to or keeps away from fixed arm direction horizontal motion fixed arm and digging arm medial surface all are equipped with a plurality of chucks that are used for realizing the sample centre gripping, the chuck can go up the position control on fixed arm or the digging arm length direction. The test bed can detect the horizontal compression performance of the highway bridge expansion joint devices with different specifications, the equipment is convenient to adjust, and the universality is high.
Description
Technical Field
The utility model mainly relates to a highway bridge telescoping device capability test correlation technique field specifically is highway bridge telescoping device warp bearing performance combined test platform.
Background
With the rapid development of economic construction in China, high-grade roads represented by expressways appear like spring shoots after raining, the traffic volume of the roads is increased rapidly, the running speed of vehicles running on the roads and the axle weight of the vehicles are increased, and the requirements of people on the running comfort and the like are higher and higher, so that the problems of the expansion device which is not enough in importance in the previous bridge design and construction become more and more prominent, and the bridge design, construction, maintenance and management departments are forced to pay full attention to the expansion device.
The road bridge expansion device directly bears the repeated impact action of wheel load in a bridge structure, is exposed in the atmosphere for a long time, has a severe use environment, and is a part which is most easily damaged and difficult to repair the bridge structure. The bridge expansion device has defects or insufficiencies in design and construction, and can cause early damage. This not only directly makes bridge passers-by feel uncomfortable, lack the sense of security, sometimes can also influence the bridge structure itself. Therefore, bridge workers at home and abroad put forward a series of expansion devices with various structural types through hard effort to meet the needs of actual projects at that time, but because of the performance problems of the used materials, unreasonable structural structures, low construction and installation accuracy and the like, the expansion devices are generally damaged early, so that the normal use of the bridge is influenced, and maintenance management departments have to carry out early maintenance or replacement in advance, so that economic losses and adverse social effects of different degrees are caused.
The vertical bearing and the horizontal bearing of the bridge expansion device are important bases of the performance of the bridge expansion device, special test equipment in the market is few at present, the standard design is difficult to form, and the performance test of the expansion device is influenced by the structure of the expansion device.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model discloses combine prior art, from practical application, provide a highway bridge telescoping device warp bearing performance combined test platform, this test platform can carry out the detection of comprehensive properties to the highway bridge expansion joint device of different specifications, and equipment adjustment is convenient, and the commonality is strong.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
public road bridge roof beam telescoping device warp bearing capacity combined test platform includes workstation, perpendicular loading subassembly, horizontal loading subassembly, wherein horizontal loading subassembly is equipped with the space that is used for placing the sample including setting up a rectangular shape fixed arm and a rectangular shape digging arm on the workstation between fixed arm and the digging arm, digging arm one side is connected with two-way actuating mechanism, two-way actuating mechanism can drive the digging arm orientation is close to or keeps away from fixed arm direction horizontal movement fixed arm and digging arm medial surface all are equipped with a plurality of chucks that are used for realizing the sample centre gripping, the chuck can go up position control on fixed arm or the digging arm length direction.
Furthermore, an aluminum material type longitudinal slide rail is arranged on the workbench, the arrangement direction of the longitudinal slide rail is perpendicular to the length direction of the movable arm, and the movable arm moves horizontally on the longitudinal slide rail.
Further, the fixed bolster that is used for supporting the sample that is equipped with of workstation, be equipped with the horizontal slide rail of aluminum product formula on the workstation, horizontal slide rail with digging arm length direction parallel arrangement, be equipped with on the horizontal slide rail and be used for supporting sample and slidable movable support board.
Furthermore, the bidirectional driving mechanism is a double-acting electric cylinder with bidirectional acting forces of horizontal pushing and horizontal pulling, and a cylinder rod of the double-acting electric cylinder is connected with the movable arm through a first connecting joint.
Furthermore, the two double-acting electric cylinders are respectively arranged corresponding to the two ends of the movable arm.
Further, the digging arm upper surface is equipped with first open slot, first connector includes first L shaped plate, is equipped with first hand on the first L shaped plate and twists the screw rod, first hand twist the screw rod bottom be equipped with rather than screw-thread fit's first limiting plate, first limiting plate suits with first open slot size.
Further, on the fixed arm was fixed in the workstation through the second connector, the fixed arm upper surface was equipped with the second open slot, the second connector includes second L shaped plate, is equipped with the second hand on the second L shaped plate and twists the screw rod, and the second hand is twisted the screw rod bottom and is equipped with rather than screw-thread fit's second limiting plate, the second limiting plate suits with second open slot size.
Furthermore, all be equipped with T type spout on fixed arm and the digging arm medial surface, the chuck side is equipped with the T type head with T type spout complex, through the regulation of chuck position is realized with T type spout cooperation to the T type head.
Furthermore, the vertical loading assembly comprises a gantry frame structure, the gantry frame structure stretches across the workbench, and a hydraulic cylinder for realizing vertical loading is mounted on the gantry frame structure.
The utility model has the advantages that:
1. the utility model provides a comprehensive test platform structure can carry out the dynamic loading of vertical direction and the dynamic loading capability test of horizontal direction to public road bridge expansion joint device, and whole test platform simple structure utilizes after the standardized design of being convenient for, and the test bench commonality is strong, can use to the expansion joint device of different specifications.
2. The utility model provides a not receive the restriction of base station frictional force when test bench structure can effectively avoid the sample test, can realize the nimble motion of digging arm through the two effect electronic jar that set up, and the fixed of realization fixed arm that just the connector structure can be convenient and the digging arm is connected with two effect electronic jar, the adjustment position that the chuck structure of design can be convenient to use to different expansion joint devices.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention after the vertical loading and sample removal;
fig. 3 is a schematic diagram of the overall structure of the present invention with the sample removed from the vertical record.
Reference numerals shown in the drawings:
1. a work table; 2. a fixed arm; 3. fixing the support plate; 4. a second connector; 5. a second open slot; 6. A chuck; 7. a movable arm; 8. a first open slot; 9. a first connector; 10. a double-acting electric cylinder; 11. A longitudinal slide rail; 12. a transverse slide rail; 13. a T-shaped chute; 14. a movable support plate; 15. a sample; 16. a first L-shaped plate; 17. a first hand screws the screw; 18. a first limit plate; 19. a second hand screws the screw; 20. a second L-shaped plate; 21. a second limiting plate; 22. and a hydraulic cylinder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
As shown in FIGS. 1 to 3, for the comprehensive test bed structure for deformation and load-bearing performance of the road bridge expansion device provided by the present invention,
the test bed mainly comprises a workbench 1, a vertical loading assembly and a horizontal loading assembly, wherein the vertical loading assembly is of a gantry frame type structure, and loading test of a sample in the vertical direction is realized through a hydraulic cylinder 22. Workstation 1 is split type structure, be the equidistant interval arrangement by the same mesa of two parts, be equipped with the fixed arm 2 of a rectangular shape and the digging arm 7 of a rectangular shape on workstation 1, fixed arm 2 and digging arm 7 adopt heterotypic steel construction, be equipped with the space that is used for placing sample 15 between them, digging arm 7 one side is connected with two-way actuating mechanism, two-way actuating mechanism can drive digging arm 7 towards being close to or keeping away from 2 direction horizontal motions of fixed arm, all be equipped with a plurality of chucks 6 that are used for realizing the sample centre gripping at fixed arm 2 and 7 medial surfaces of digging arm, chuck 6 can carry out position control on fixed arm 7 or 2 length direction of digging arm. The utility model discloses an among the above-mentioned structure, sample 15 is placed between fixed arm 2 and digging arm 7, makes one side of sample 15 be connected with fixed arm 2 through the chuck 6 that corresponds, and sample 15 opposite side is connected with the digging arm, and digging arm 7 can realize the push-and-pull motion to sample 15 under two-way actuating mechanism's drive to carry out the compression capability test to the telescoping device. The utility model discloses an overall structure designs, and the telescoping device who is applicable to different specifications uses, and the commonality is strong.
Be equipped with aluminum product formula longitudinal slide rail 11 on workstation 1, longitudinal slide 11 rails set up the direction and are mutually perpendicular with the 7 length direction of digging arm, and digging arm 7 is at longitudinal slide rail 11 upper horizontal movement, through the slide rail setting of aviation aluminium structure, guarantees the nimble motion of digging arm 7.
The utility model discloses a fixed supporting plate 3 that is used for supporting sample 15 that is equipped with of workstation 1 is equipped with aluminum product formula transverse sliding rail 12 on the workstation 1, and transverse sliding rail 12 and 7 length direction parallel arrangement of digging arm are equipped with on the transverse sliding rail 12 and are used for supporting sample 15 and slidable movable support board 14. Fixed support plate 3 and movable support plate 14 all set up two, correspond the two parts setting of split type workstation 1, and movable support plate 14's adjustment can make crisscross setting between two movable support plate 14 and two fixed support plate 3 to realize sample 15's steady support.
The utility model discloses a two-way actuating mechanism adopts has the two-way effort of flat push and flat pull two-way electronic jar 10, and the jar pole of two-way electronic jar 10 passes through first connector 9 and connects the digging arm 7, and two-way electronic jar 10 is two, corresponds the two parts setting of split type workstation 1 respectively. The upper surface of the movable arm 7 is provided with a first open slot 8, the first connecting head 9 comprises a first L-shaped plate 16, a first hand-screwed screw 17 is arranged on the first L-shaped plate 16, the bottom of the first hand-screwed screw 17 is provided with a first limiting plate 18 in threaded fit with the first hand-screwed screw, and the first limiting plate 18 is matched with the first open slot 8 in size. The detachable connection between the double-acting electric cylinder 10 and the movable arm 7 can be realized through the first connecting joint 9 of the structure, so that the position of the movable arm 7 can be adjusted. During connection, the first L-shaped plate 16 is connected with the head of the double-acting electric cylinder 10 and clamped on the side face of the movable arm 7, the first limiting plate 18 is placed in the first open slot 8, the first hand-screwing screw 17 is rotated to be screwed into the threaded hole corresponding to the first limiting plate 18 to realize connection, and the connected double-acting electric cylinder 10 can push the movable arm 7 to reciprocate.
The utility model discloses a fixed arm 2 is fixed in workstation 1 through second connector 4 on, and second connector 4 is fixed on fixed support plate 3, and its connected mode is the same with first connector 9, here, is not further described.
The utility model discloses a fixed arm 2 and all be equipped with T type spout 13 on the 7 medial surfaces of digging arm, 6 sides of chuck be equipped with T type spout 13 complex T type head, realize the regulation of chuck 6 position through T type head and the cooperation of T type spout 13. The utility model discloses a chuck structure is as shown in the figure, including a riser and a diaphragm, the diaphragm is equipped with two screws, and the sample side is hugged closely to the riser during use, and the screw of screwing gets into the opening part in the middle of the sample, can promote the sample through the riser and move through the screw pulling sample.
The test bed can test the comprehensive performance of the expansion joint device of the highway bridge, has simple structure, strong universality and can be used for the expansion joint devices with different specifications.
Claims (9)
1. Public road bridge roof beam telescoping device warp bearing performance combined test platform, its characterized in that: including workstation, perpendicular loading subassembly, horizontal loading subassembly, wherein horizontal loading subassembly is equipped with the space that is used for placing the sample including setting up a rectangular shape fixed arm and a rectangular shape digging arm on the workstation between fixed arm and the digging arm, digging arm one side is connected with two-way actuating mechanism, two-way actuating mechanism can drive the digging arm orientation is close to or keeps away from fixed arm direction horizontal movement fixed arm and digging arm medial surface all are equipped with a plurality of chucks that are used for realizing the sample centre gripping, the chuck can go up position control on fixed arm or the digging arm length direction.
2. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 1, characterized in that: the aluminum type longitudinal sliding rail is arranged on the workbench, the arrangement direction of the longitudinal sliding rail is perpendicular to the length direction of the movable arm, and the movable arm moves horizontally on the longitudinal sliding rail.
3. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 1, characterized in that: the fixed backup pad that is used for supporting the sample that is equipped with of workstation, be equipped with the horizontal slide rail of aluminum product formula on the workstation, horizontal slide rail with digging arm length direction parallel arrangement, be equipped with on the horizontal slide rail and be used for supporting sample and slidable movable support board.
4. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 1, characterized in that: the bidirectional driving mechanism is a double-acting electric cylinder with bidirectional acting force of horizontal pushing and horizontal pulling, and a cylinder rod of the double-acting electric cylinder is connected with the movable arm through a first connecting head.
5. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 4, characterized in that: the two double-acting electric cylinders are respectively arranged corresponding to the two ends of the movable arm.
6. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 4, characterized in that: the movable arm upper surface is equipped with first open slot, first connector includes first L shaped plate, is equipped with first hand on the first L shaped plate and twists the screw rod, first hand twist the screw rod bottom be equipped with rather than screw-thread fit's first limiting plate, first limiting plate suits with first open slot size.
7. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 1, characterized in that: the fixed arm is fixed in the workstation through the second connector on, the fixed arm upper surface is equipped with the second open slot, the second connector includes second L shaped plate, is equipped with the second hand on the second L shaped plate and twists the screw rod, and the second hand is twisted the screw rod bottom and is equipped with rather than screw-thread fit's second limiting plate, the second limiting plate suits with second open slot size.
8. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 1, characterized in that: the adjusting mechanism is characterized in that T-shaped sliding grooves are formed in the inner side faces of the fixed arm and the movable arm, T-shaped heads matched with the T-shaped sliding grooves are arranged on the side faces of the clamping heads, and the positions of the clamping heads are adjusted through matching of the T-shaped heads and the T-shaped sliding grooves.
9. The comprehensive test bed for deformation bearing performance of the road bridge expansion device according to claim 1, characterized in that: the vertical loading assembly comprises a gantry frame structure, the gantry frame structure stretches across the workbench, and a hydraulic cylinder for realizing vertical loading is mounted on the gantry frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076294.0U CN210465149U (en) | 2019-07-10 | 2019-07-10 | Comprehensive test bed for deformation bearing performance of highway bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076294.0U CN210465149U (en) | 2019-07-10 | 2019-07-10 | Comprehensive test bed for deformation bearing performance of highway bridge expansion device |
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| Publication Number | Publication Date |
|---|---|
| CN210465149U true CN210465149U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921076294.0U Expired - Fee Related CN210465149U (en) | 2019-07-10 | 2019-07-10 | Comprehensive test bed for deformation bearing performance of highway bridge expansion device |
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| CN (1) | CN210465149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567262A (en) * | 2021-07-27 | 2021-10-29 | 姜珊 | Comprehensive test bed suitable for deformation bearing performance of highway bridge expansion device |
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2019
- 2019-07-10 CN CN201921076294.0U patent/CN210465149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567262A (en) * | 2021-07-27 | 2021-10-29 | 姜珊 | Comprehensive test bed suitable for deformation bearing performance of highway bridge expansion device |
| CN113567262B (en) * | 2021-07-27 | 2024-04-19 | 姜珊 | Comprehensive test stand suitable for deformation bearing performance of highway bridge expansion device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |