CN219935211U - Test bench for bridge expansion device - Google Patents
Test bench for bridge expansion device Download PDFInfo
- Publication number
- CN219935211U CN219935211U CN202321460998.4U CN202321460998U CN219935211U CN 219935211 U CN219935211 U CN 219935211U CN 202321460998 U CN202321460998 U CN 202321460998U CN 219935211 U CN219935211 U CN 219935211U
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- mounting
- bridge
- plates
- plate
- mounting frame
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000004873 anchoring Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000003993 interaction Effects 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
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a test bed for a bridge expansion device, which comprises a mounting platform and an expansion mechanism, wherein the mounting platform is provided with a support frame; the two mounting platforms are arranged on the same plane and are mutually parallel; the mounting platform comprises a mounting frame, a mounting plate, a connecting plate and a connecting piece; a plurality of mounting plates are arranged in the length direction of the mounting frame; the connecting plates are arranged on the plurality of mounting plates, and the positions of the connecting plates along the width direction of the mounting frame are adjustable; a plurality of connecting pieces are arranged on the connecting plate to connect the anchoring steel rings of the bridge expansion device; a plurality of telescopic machanism are installed between two mounting brackets, and the interval between two mounting brackets can be adjusted to telescopic machanism. The telescopic mechanism drives the bridge telescopic device to act, so that the detected telescopic mechanism can reach a maximum opening state and a full compression state; install telescopic machanism between two mounting brackets, can also shorten the width of test pedestal when adapting to not unidimensional bridge telescoping device to this reduces the area of test pedestal.
Description
Technical Field
The utility model relates to the technical field of bridge expansion device tests, in particular to a test bench for a bridge expansion device.
Background
According to the technical requirements in general technical condition of highway bridge expansion device (JT/T327-2016), a waterproof performance test and an assembly tolerance detection test are required, the tested bridge expansion device is required to be fixed in the test process, and can be in a maximum opening state or a full compression state, and the bridge expansion device is required to be fixed on a test pedestal for the test, so that the tested bridge expansion device can reach the maximum opening state and the full compression state.
However, the width in existing test benches is generally large; for example, the patent of publication No. CN209689588U discloses a bridge expansion joint device detection testing machine, and bridge expansion joint device detection testing machine includes a base frame and No. two base frames, one side of No. one base frame is provided with No. two base frames, fixed mounting has the horizontal pole between No. one base frame and No. two base frames, the upper end surface of No. one base frame is provided with modularization clamping jig, movable support and a roof, modularization clamping jig is located the rear end of movable support, a roof is located the front end of movable support, be provided with a loading hydro-cylinder between No. one roof and the movable support, no. two upper end surface fixed mounting of No. two base frames has No. two roof. In this patent, the sequential arrangement of the loading cylinder, the movable bracket and the clamping jig results in the width of the test stand greatly exceeding the width of the bridge expansion device, so that the floor area of the test stand increases.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model mainly solves the technical problems as follows: the width of the test stand in the prior art greatly exceeds the width of the bridge expansion device, so that the occupied area of the test stand is increased.
In order to solve the technical problems, the utility model adopts the following technical scheme: a test stand for a bridge telescoping device, comprising: a mounting platform and a telescopic mechanism; the two mounting platforms are arranged on the same plane and are mutually parallel; the mounting platform comprises a mounting frame, a mounting plate, a connecting plate and a connecting piece; a plurality of mounting plates are arranged in the length direction of the mounting frame; the connecting plates are arranged on the plurality of mounting plates, and the positions of the connecting plates along the width direction of the mounting frame are adjustable; a plurality of connecting pieces are arranged on the connecting plate to be connected with an anchoring steel ring of the bridge expansion device; a plurality of telescopic machanism are installed to two between the mounting bracket, the interval between two mounting brackets can be adjusted to telescopic machanism.
According to the utility model, the distance between the two mounting plates is adjusted by adjusting the positions of the connecting plates on the mounting plates, the bridge expansion device is mounted on the two mounting platforms by connecting the anchor steel rings of the bridge expansion device through the connecting pieces, the expansion mechanism is controlled to act, the expansion mechanism drives the other mounting frame to move, and the mounting frame drives the bridge expansion device to act through the connecting plates and the connecting pieces, so that the detected expansion mechanism can reach a maximum opening state and a full compression state; and install telescopic machanism between two mounting brackets, can adapt to the width of test pedestal in the not unidimensional bridge telescoping device of ability simultaneously can also very big shorten to this reduces the area of test pedestal.
Preferably, the connecting plate is mounted on the mounting plate through bolts and nuts, a plurality of connecting holes are formed in the mounting plate along the width direction of the mounting frame, and the bolts are located in one of the connecting holes. The position of the connecting plates on the mounting plate is adjusted through the connecting holes which are arranged on different bolts, so that the distance between the two connecting plates is adjusted, and the bridge expansion device with the width not being understood can be mounted.
Preferably, the device further comprises a sliding rail, wherein the sliding rail is arranged along the width direction of the installation frame, and at least one installation frame is slidably installed on the sliding rail. Can lead to the mounting bracket through the slide rail, can also reduce the gliding frictional force of mounting bracket.
Preferably, the pulley is installed to the mounting bracket below, be equipped with on the length direction of slide rail with pulley complex spout, the pulley is located the spout. When the mounting frame moves, the pulley is driven to roll in the chute, and sliding friction is changed into rolling friction, so that friction force can be further reduced.
Preferably, the connecting piece comprises a U-shaped rod and nuts, wherein both ends of the U-shaped rod penetrate through the connecting plate in a sliding mode, and the nuts are detachably arranged at both ends of the U-shaped rod. After the U-shaped rod is sleeved on the anchoring steel ring of the bridge expansion device, the U-shaped rod penetrates through the connecting plate and then is provided with the nut, so that the bridge expansion device is installed.
Preferably, the mounting frame comprises a bottom plate and side plates, wherein the side plates are fixedly mounted on two sides of the bottom plate, which are close to one side of the mounting plate, respectively, and the mounting plate is fixedly mounted on the two side plates. The mounting panel passes through two curb plates and installs on the bottom plate for the mounting panel below flows the space, is convenient for to the dismouting of bolt and nut.
Preferably, a displacement sensor is arranged on one side of the telescopic mechanism. And accurately measuring the actual displacement value of the bridge expansion device through a displacement sensor.
Compared with the prior art, the utility model has at least the following advantages:
1. the width of the test stand can be greatly shortened while the bridge expansion device with different sizes can be adapted. According to the utility model, the distance between the two mounting plates is adjusted by adjusting the positions of the connecting plates on the mounting plates, the bridge expansion device is mounted on the two mounting platforms by connecting the anchor steel rings of the bridge expansion device through the connecting pieces, the expansion mechanism is controlled to act, the expansion mechanism drives the other mounting frame to move, and the mounting frame drives the bridge expansion device to act through the connecting plates and the connecting pieces, so that the detected expansion mechanism can reach a maximum opening state and a full compression state; and install telescopic machanism between two mounting brackets, can adapt to the width of test pedestal in the not unidimensional bridge telescoping device of ability simultaneously can also very big shorten to this reduces the area of test pedestal.
2. The assembly tolerance and the waterproof performance test of the bridge expansion device can be carried out on one test platform, the detection range is enlarged, and the utilization rate of equipment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
Fig. 1 is a top view of a test stand for a bridge expansion apparatus according to the present utility model.
Fig. 2 is a side view of a test stand for a bridge expansion apparatus according to the present utility model.
Reference numerals: the device comprises a 1-mounting frame, a 11-bottom plate, a 12-side plate, a 2-mounting plate, a 3-connecting plate, 31-bolts, 32-connecting holes, 4-connecting pieces, 41-U-shaped rods, 5-sliding rails, 51-pulleys, 52-sliding grooves, 6-displacement sensors, 7-telescopic mechanisms and 8-bridge telescopic devices.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
In the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, embodiments provided by the present utility model: a test stand for a bridge telescoping device, comprising: a mounting platform and a telescopic mechanism 7; the two mounting platforms are arranged on the same plane and are mutually parallel; the mounting platform comprises a mounting frame 1, a mounting plate 2, a connecting plate 3 and a connecting piece 4; a plurality of mounting plates 2 are mounted on the mounting frame 1 in the length direction; the connecting plates 3 are arranged on the plurality of mounting plates 2, and the positions of the connecting plates 3 along the width direction of the mounting frame 1 on the mounting plates 2 are adjustable; a plurality of connecting pieces 4 are arranged on the connecting plate 3 to connect the anchoring steel rings of the bridge expansion and contraction device 8; a plurality of telescopic mechanisms 7 are arranged between the two mounting frames 1, the distance between the two mounting frames 1 can be adjusted by the telescopic mechanisms 7, and further, a displacement sensor 6 is arranged on one side of each telescopic mechanism 7; the actual displacement value of the bridge expansion 8 is measured accurately by the displacement sensor 6. In specific implementation, one of the mounting frames 1 is fixed, specifically, the mounting frames 1 can be fixed on the ground through expansion bolts 31, the fixing can be also carried out through other modes, then the position of the connecting plate 3 on the mounting plates 2 is adjusted, the distance between the two mounting plates 2 is adjusted, then the connecting piece 4 is used for connecting an anchoring steel ring of the bridge expansion device 8, the bridge expansion device 8 is mounted on two mounting platforms, the expansion mechanism 7 is controlled to act, the expansion mechanism 7 drives the other mounting frame 1 to move, and the mounting frame 1 drives the bridge expansion device 8 to act through the connecting plate 3 and the connecting piece 4, so that the detected expansion mechanism 7 can reach the maximum opening state and the full compression state; specifically, the telescopic mechanism 7 may be a telescopic structure such as a hydraulic cylinder and a jack; and install telescopic machanism 7 between two mounting brackets 1, can adapt to the width of test bench in the different size bridge telescoping device 8 simultaneously can also very big shorten to this reduces the area of test bench.
When the bridge expansion device 8 is completely compressed, the measuring device is arranged on the same section at any position, the relative height difference between the top surfaces of the longitudinal beams and the top surfaces of the side longitudinal beams in each bridge and the longitudinal deviation and the plane total width deviation of each unit are measured based on the top planes of the longitudinal beams at two sides, and accordingly the bridge expansion device 8 is subjected to an assembly tolerance test.
When the bridge expansion device 8 is in the maximum opening state, performing end socket treatment on the bridge expansion device 8, and enabling the bridge expansion device 8 to be in a horizontal state, injecting water, and enabling the water surface to be 10mm higher than the top surface of the expansion device; after 24 hours, observing whether the bridge expansion device 8 has no water seepage or not, so as to test the waterproof performance of the bridge expansion device 8.
Referring to fig. 1 to 2, in other embodiments, the connection plate 3 is mounted on the mounting plate 2 by bolts 31 nuts, the mounting plate 2 is provided with a plurality of connection holes 32 along the width direction of the mounting frame 1, and the bolts 31 are located in one of the connection holes 32. The positions of the connecting plates 3 on the mounting plate 2 are adjusted through the bolts 31 mounted in the different connecting holes 32, so that the distance between the two connecting plates 3 is adjusted, and the bridge expansion device 8 with the width not being understood can be mounted.
Referring to fig. 1-2, in other embodiments, the device further includes a slide rail 5, where the slide rail 5 is disposed along a width direction of the mounting frame 1, and at least one mounting frame 1 is slidably mounted on the slide rail 5. The mounting frame 1 can be guided through the sliding rail 5, and the sliding friction force of the mounting frame 1 can be reduced. Further, a pulley 51 is installed below the mounting frame 1, a sliding groove 52 matched with the pulley 51 is formed in the length direction of the sliding rail 5, and the pulley 51 is located in the sliding groove 52. When the mounting frame 1 moves, the pulley 51 is driven to roll in the chute 52, and the sliding friction is changed into rolling friction, so that the friction force can be further reduced.
Referring to fig. 1-2, in other embodiments, the connector 4 includes a U-shaped rod 41 and a nut, both ends of the U-shaped rod 41 slide through the connecting plate 3, and both ends of the U-shaped rod 41 are detachably mounted with the nut. In specific implementation, after the U-shaped rod 41 is sleeved on the anchoring steel ring of the bridge expansion device 8, the U-shaped rod 41 penetrates through the connecting plate 3 and then is provided with a nut, so that the bridge expansion device 8 is installed.
Referring to fig. 1-2, in a further embodiment, the mounting frame 1 includes a bottom plate 11 and side plates 12, wherein the side plates 12 are fixedly mounted on two sides of the bottom plate 11 near one side of the mounting plate 2, and the mounting plate 2 is fixedly mounted on the two side plates 12. The mounting plate 2 is mounted on the bottom plate 11 through the two side plates 12, so that a gap flows out from the lower side of the mounting plate 2, and the bolts 31 and nuts are convenient to assemble and disassemble.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. A test stand for a bridge telescoping device, comprising: a mounting platform and a telescopic mechanism;
the two mounting platforms are arranged on the same plane and are mutually parallel; the mounting platform comprises a mounting frame, a mounting plate, a connecting plate and a connecting piece; a plurality of mounting plates are arranged in the length direction of the mounting frame; the connecting plates are arranged on the plurality of mounting plates, and the positions of the connecting plates along the width direction of the mounting frame are adjustable; a plurality of connecting pieces are arranged on the connecting plate to be connected with an anchoring steel ring of the bridge expansion device;
a plurality of telescopic machanism are installed to two between the mounting bracket, the interval between two mounting brackets can be adjusted to telescopic machanism.
2. The test bed for a bridge expansion apparatus according to claim 1, wherein the connecting plate is mounted on the mounting plate by bolts and nuts, the mounting plate is provided with a plurality of connecting holes along the width direction of the mounting frame, and the bolts are located in one of the connecting holes.
3. A test bed for a bridge telescoping device as set forth in claim 1 further comprising a slide rail disposed along the width of the mounting frame, and at least one of said mounting frames is slidably mounted on the slide rail.
4. A test bed for a bridge expansion apparatus according to claim 3 wherein a pulley is mounted below the mounting frame, a runner engaging the pulley is provided in the longitudinal direction of the rail, and the pulley is located in the runner.
5. A test bed for a bridge telescoping device according to claim 1, wherein the connector comprises a U-shaped rod and a nut, wherein both ends of the U-shaped rod slidably penetrate the connecting plate, and the nut is detachably mounted at both ends of the U-shaped rod.
6. The test bed for a bridge telescoping device according to claim 1, wherein the mounting frame comprises a bottom plate and side plates, wherein the side plates are fixedly mounted on both sides of the bottom plate adjacent to one side of the mounting plate, and the mounting plate is fixedly mounted on both side plates.
7. A test stand for a bridge telescoping device according to claim 1, wherein a displacement sensor is mounted to one side of the telescoping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321460998.4U CN219935211U (en) | 2023-06-09 | 2023-06-09 | Test bench for bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321460998.4U CN219935211U (en) | 2023-06-09 | 2023-06-09 | Test bench for bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935211U true CN219935211U (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321460998.4U Active CN219935211U (en) | 2023-06-09 | 2023-06-09 | Test bench for bridge expansion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN219935211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2023
- 2023-06-09 CN CN202321460998.4U patent/CN219935211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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