CN212779380U - Device for detecting waterproof performance and assembly tolerance of bridge expansion device - Google Patents
Device for detecting waterproof performance and assembly tolerance of bridge expansion device Download PDFInfo
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- CN212779380U CN212779380U CN202022233007.1U CN202022233007U CN212779380U CN 212779380 U CN212779380 U CN 212779380U CN 202022233007 U CN202022233007 U CN 202022233007U CN 212779380 U CN212779380 U CN 212779380U
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Abstract
The utility model discloses a device for detecting bridge telescoping device waterproof performance and assembly tolerance, include: workstation, its structure includes: two edge tables and a middle table; fixed a plurality of first pneumatic cylinders that are provided with respectively on two marginal workstations, the horizontal hydraulic shaft tip fixedly connected with fixture of first pneumatic cylinder, its structure includes: the concave fixing piece comprises a vertical connecting plate and horizontal fixing plates fixedly arranged at two ends of the vertical connecting plate, and clamping bolts are connected to the horizontal fixing plates in a threaded mode; the vertical guide rod is fixedly arranged on the lower surface of the horizontal fixing plate at the lower end of the vertical connecting plate; the guide ring is fixedly arranged at the end part of the vertical guide rod; a horizontal guide rod is arranged on the edge working table, and the guide ring is arranged on the horizontal guide rod in a sliding manner through a sliding bearing; and the vertical force application mechanism is arranged in the middle workbench. The device can detect the waterproof performance and the assembly tolerance of the bridge expansion device more strictly and accurately, and the detection efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of bridge telescoping device check out test set, more specifically says, the utility model relates to a device for detecting bridge telescoping device waterproof performance and assembly tolerance.
Background
The bridge expansion device is a device which is usually arranged between two beam ends, between a beam end and an abutment or at the hinge joint position of a bridge in order to meet the requirement of deformation. The telescopic device is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; meanwhile, rainwater leakage and rubbish soil blockage can be prevented; installation, inspection, maintenance, elimination filth all will be simple and easy convenient, and at the expansion joint department that sets up bridge telescoping device, railing and bridge deck pavement all will break off.
Because the bridge deck of the bridge and the expansion joint for installing the bridge expansion device can deform due to weather and external force changes, the bridge expansion device needs to have certain expansion and deformation capacity and can adapt to the deformation of the bridge deck and the expansion joint; meanwhile, the seepage-proofing capacity of the bridge expansion device is guaranteed not to be reduced due to deformation, and liquid such as water on the surface of the bridge expansion device can be prevented from seeping downwards to the lower part of the bridge expansion device. Therefore, before the bridge expansion device is installed, the waterproof performance and the assembly tolerance of the bridge expansion device need to be detected so as to test whether the bridge expansion device meets the standard requirements. The assembly tolerance detection of the bridge expansion device means that whether the bridge expansion device can be completely compressed again after the bridge expansion device is stretched to the maximum extension state is detected, and if the bridge expansion device can be completely compressed, the assembly tolerance of the bridge expansion device meets the composite requirement; if the bridge expansion device cannot be completely compressed after being stretched to the maximum extension state, the assembly tolerance of the bridge expansion device is unqualified; at present, no mature bridge expansion device waterproof performance and tolerance detection equipment exist, and inconvenience is caused to the assembly tolerance detection of the bridge expansion device. Some detection equipment can only stretch one side of the bridge expansion device, and can not stretch two sides of the bridge expansion device at the same time, so that the detection result is inaccurate. Meanwhile, the existing size performance test equipment is complex in structure, low in detection and test efficiency and not beneficial to popularization and use.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an apparatus for detecting waterproof performance and assembly tolerance of a bridge expansion device, including:
workstation, its structure includes: two edge worktables, and a middle worktable located between the two edge worktables;
a plurality of first hydraulic cylinders are respectively and fixedly arranged on the two edge working tables, and the end parts of horizontal hydraulic shafts of the first hydraulic cylinders are fixedly connected with clamping mechanisms;
the structure of fixture includes:
the concave fixing piece comprises a vertical connecting plate and horizontal fixing plates fixedly arranged at the upper end and the lower end of the vertical connecting plate, and clamping bolts are connected to the vertical connecting plate and the horizontal fixing plates at the upper end of the vertical connecting plate in a threaded manner;
the vertical guide rod is fixedly arranged at the lower end of the concave fixing piece; the guide ring is fixedly arranged at the end part of the vertical guide rod, and a sliding bearing is arranged in the guide ring;
a horizontal guide rod is fixedly arranged on the edge working table, and the guide ring is arranged on the horizontal guide rod in a sliding manner through a sliding bearing;
and the vertical force application mechanism is arranged on the middle workbench.
Preferably, the structure of the vertical force application mechanism comprises:
the second hydraulic cylinders are arranged in the middle workbench, and vertical hydraulic shafts of the second hydraulic cylinders movably penetrate through the upper end of the middle workbench;
and the vertical force application plate is fixedly connected to the top end of the vertical hydraulic shaft of the second hydraulic cylinder, and the vertical force application plate is positioned on the upper surface of the middle workbench.
Preferably, a plurality of supporting blocks are fixedly arranged on the upper surface of the middle workbench, and the supporting blocks are symmetrically arranged on two sides of the vertical force application plate.
Preferably, a groove is formed in the upper surface of the middle workbench, and the vertical force application plate is arranged in the groove.
Preferably, the upper surface of the middle workbench is provided with a plurality of water outlet through holes.
Preferably, the connection mode of the vertical guide rod, the guide ring and the horizontal fixing plate is welding; the supporting block is fixed on the workbench through bolts.
Preferably, a fixed cylinder is welded to the back of the vertical connecting plate of the concave fixing piece, and the end of the horizontal hydraulic shaft of the first hydraulic cylinder is fixed in the fixed cylinder through a bolt.
The utility model discloses at least, include following beneficial effect:
according to the device, the first hydraulic cylinders are arranged on the two sides of the middle workbench, and the clamping mechanisms are driven by the first hydraulic cylinders on the two sides to simultaneously stretch and compress the bridge expansion device, so that the detection efficiency of the bridge detection device is improved, and the waterproof performance and the assembly tolerance of the bridge expansion device can be detected more quickly and accurately; meanwhile, the vertical force application mechanism can simulate the vertical pressure applied to the bridge expansion device, and can carry out pressure bearing detection on the bridge expansion device and test the waterproof performance and the assembly tolerance of the bridge expansion device under the condition of vertical pressure. This device easy operation, it is more rigorous to bridge telescoping device's detection, can detect out more good bridge telescoping device for during more good bridge telescoping device can be applied to laying of bridge and build, eliminate the bridge telescoping device that is not conform to the standard, improved construction quality.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
fig. 1 is a schematic structural view of a device for detecting waterproof performance and assembly tolerance of a bridge expansion device provided by the present invention;
FIG. 2 is a schematic side view of an apparatus for detecting waterproof performance and assembly tolerance of a bridge expansion device;
fig. 3 is a schematic structural view of a concave fixing member of the clamping mechanism of the present invention.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a connection between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention in a specific context.
Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature in direct contact with the first and second features, or in indirect contact with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3: the utility model discloses a device for detecting bridge telescoping device waterproof performance and assembly tolerance, include:
the workbench 1 structurally comprises: two edge tables 2, and a middle table 3 located between the two edge tables 2;
three first hydraulic cylinders 4 are respectively and fixedly arranged on the two edge working tables 2, and the end parts of horizontal hydraulic shafts 41 of the first hydraulic cylinders 4 are fixedly connected with clamping mechanisms 5;
the structure of the clamping mechanism 5 comprises:
the fixing device comprises a concave fixing piece 51 which comprises a vertical connecting plate 52 and horizontal fixing plates 53 fixedly arranged at the upper end and the lower end of the vertical connecting plate 52, wherein clamping bolts 54 are connected with the vertical connecting plate 52 and the horizontal fixing plates 53 at the upper end of the vertical connecting plate 52 in a threaded manner;
a vertical guide bar 6 fixedly provided at a lower end of the female fixing member 51; a guide ring 7 fixedly provided at an end of the vertical guide bar 6, and a sliding bearing 71 is mounted in the guide ring 7;
a horizontal guide rod 8 is fixedly arranged on the edge working table 2, and the guide ring 7 is arranged on the horizontal guide rod 8 in a sliding manner through a sliding bearing 71;
and the vertical force application mechanism is arranged on the middle workbench 3.
The working principle is as follows: when the device is used for detecting the waterproof performance of the bridge expansion device, the bridge expansion device is placed on the middle workbench 3; placing the long edges at the two ends of the bridge expansion device in the clamping mechanism 5, screwing down the clamping bolt 54 of the clamping mechanism 5, and fixing the long edges at the two ends of the bridge expansion device; and (3) starting the first hydraulic cylinder 4, driving the clamping mechanism 5 by the first hydraulic cylinder 4 through the horizontal hydraulic shaft 41, stretching the bridge expansion device to the maximum extension state, and then stopping stretching to keep the bridge expansion device in the maximum extension state. Then, the short edges at the two ends of the bridge expansion device are closed, water is injected into the bridge expansion device, and the water surface is 10mm higher than the bridge expansion device; if the bridge expansion device does not leak water or seep water after 24 hours, the waterproof performance of the detected bridge expansion device meets the composite requirement; if water leakage and water seepage occur, the waterproof performance of the detected bridge expansion device does not meet the requirement. When the waterproof performance of the bridge expansion device is detected, pressure can be applied to the bridge expansion device through the vertical force application mechanism so as to detect the bearing capacity of the bridge expansion device, and the waterproof performance of the bridge expansion device is detected under the condition that weight is applied to the bridge expansion device.
When the device is used for detecting the assembly tolerance of the bridge expansion device, the bridge expansion device is placed on the middle workbench 3; placing the long edges at the two ends of the bridge expansion device in the clamping mechanism 5, screwing down the clamping bolt 54 of the clamping mechanism 5, and fixing the long edges at the two ends of the bridge expansion device; starting the first hydraulic cylinder 4, driving the clamping mechanism by the first hydraulic cylinder 4 through the horizontal hydraulic shaft 41, stretching the bridge expansion device to the maximum extension state, and then stopping stretching to ensure that the bridge expansion device keeps the maximum extension state stable for a period of time; the clamping mechanism 5 is driven by the first hydraulic cylinder 4 to compress the bridge expansion device, whether the bridge expansion device can be completely compressed or not is observed, and if the bridge expansion device can be completely compressed, the assembly tolerance of the bridge expansion device meets the requirement; if the bridge expansion device cannot be completely compressed, the assembly tolerance of the bridge expansion device is not satisfactory. When the clamping mechanism 5 stretches and compresses the bridge expansion device, the clamping mechanism 5 moves along the horizontal guide rod 8 through the guide ring 7, so that the horizontal guide rod 8 has the functions of supporting the clamping mechanism 5 and limiting and guiding the movement of the clamping mechanism 5.
In the above technical solution, the vertical force application mechanism structurally includes:
a plurality of second hydraulic cylinders 9 which are arranged in the middle workbench 3, and vertical hydraulic shafts 91 of the second hydraulic cylinders 9 are movably arranged at the upper end of the middle workbench 3 in a penetrating way;
and the vertical force application plate 10 is fixedly connected to the top end of the vertical hydraulic shaft 91 of the second hydraulic cylinder 9, and the vertical force application plate 10 is positioned on the upper surface of the middle workbench. After the second hydraulic cylinder 9 is started, the second hydraulic cylinder 9 drives the vertical force application plate 10 to vertically move upwards through the vertical hydraulic shaft 91, pressure is applied to the bottom of the bridge expansion device, the mode can be equivalently regarded as that a heavy object is applied to the bridge expansion device, and the waterproof performance of the bridge expansion device can be detected in the state.
In the technical scheme, a plurality of supporting blocks 11 are fixedly arranged on the upper surface of the middle workbench 3, and the supporting blocks 11 are symmetrically arranged on two sides of the vertical force application plate 10. The supporting blocks 11 are used for supporting the bridge expansion device, and the bridge expansion device can be placed on the supporting blocks 11 through the arrangement, so that the bottom of the bridge expansion device is partially suspended, and the vertical force application plate 10 can apply pressure to the bridge expansion device upwards conveniently.
In the above technical solution, the middle worktable 3 is provided with a groove 12 on the upper surface thereof, and the vertical force application plate 10 is disposed in the groove 12. The vertical force application plate 10 is arranged in the groove, so that the upper surface of the middle workbench 3 can be kept flat, and the arrangement of a bridge expansion device cannot be obstructed.
In the above technical solution, the upper surface of the middle worktable 3 is provided with a plurality of water outlet through holes 301. If the bridge expansion device leaks water or leaks water, the water outlet hole 301 can discharge the water leaked to the middle worktable 3 in time.
In the above technical solution, the vertical guide rod 6, the guide ring 7 and the horizontal fixing plate 53 are connected by welding; the supporting block 11 is fixed on the workbench through bolts.
In the above technical solution, a fixed cylinder 55 is welded to the back of the vertical connecting plate 52 of the female fixing member 51, and the end of the horizontal hydraulic shaft 41 of the first hydraulic cylinder 4 is fixed in the fixed cylinder 55 by a bolt.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. A device for detecting waterproof performance and assembly tolerance of a bridge expansion device, comprising:
workstation, its structure includes: two edge worktables, and a middle worktable located between the two edge worktables;
a plurality of first hydraulic cylinders are respectively and fixedly arranged on the two edge working tables, and the end parts of horizontal hydraulic shafts of the first hydraulic cylinders are fixedly connected with clamping mechanisms;
the structure of fixture includes:
the concave fixing piece comprises a vertical connecting plate and horizontal fixing plates fixedly arranged at the upper end and the lower end of the vertical connecting plate, and clamping bolts are connected to the vertical connecting plate and the horizontal fixing plates at the upper end of the vertical connecting plate in a threaded manner;
the vertical guide rod is fixedly arranged at the lower end of the concave fixing piece; the guide ring is fixedly arranged at the end part of the vertical guide rod, and a sliding bearing is arranged in the guide ring;
a horizontal guide rod is fixedly arranged on the edge working table, and the guide ring is arranged on the horizontal guide rod in a sliding manner through a sliding bearing;
and the vertical force application mechanism is arranged on the middle workbench.
2. The apparatus for detecting the waterproof performance and the assembling tolerance of the bridge expansion device according to claim 1, wherein the structure of the vertical force application mechanism comprises:
the second hydraulic cylinders are arranged in the middle workbench, and vertical hydraulic shafts of the second hydraulic cylinders movably penetrate through the upper end of the middle workbench;
and the vertical force application plate is fixedly connected to the top end of the vertical hydraulic shaft of the second hydraulic cylinder, and the vertical force application plate is positioned on the upper surface of the middle workbench.
3. The apparatus for testing the waterproof performance and the assembling tolerance of the bridge expansion device according to claim 2, wherein a plurality of supporting blocks are fixedly arranged on the upper surface of the middle worktable, and the supporting blocks are symmetrically arranged on two sides of the vertical force application plate.
4. The apparatus for testing the waterproof performance and the assembling tolerance of the bridge expansion device according to claim 2, wherein the middle worktable is provided with a groove on the upper surface thereof, and the vertical force application plate is arranged in the groove.
5. The apparatus according to claim 1, wherein the middle table has a plurality of water outlet holes formed on its upper surface.
6. The device for detecting the waterproof performance and the assembly tolerance of the bridge expansion and contraction device according to claim 3, wherein the vertical guide rod, the guide ring and the horizontal fixing plate are connected by welding; the supporting block is fixed on the workbench through bolts.
7. The apparatus for testing the waterproof performance and the assembling tolerance of the bridge expansion device according to claim 1, wherein the fixing cylinder is welded to the back of the vertical connecting plate of the concave fixing member, and the end of the horizontal hydraulic shaft of the first hydraulic cylinder is fixed in the fixing cylinder through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022233007.1U CN212779380U (en) | 2020-10-09 | 2020-10-09 | Device for detecting waterproof performance and assembly tolerance of bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022233007.1U CN212779380U (en) | 2020-10-09 | 2020-10-09 | Device for detecting waterproof performance and assembly tolerance of bridge expansion device |
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| CN212779380U true CN212779380U (en) | 2021-03-23 |
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| CN202022233007.1U Active CN212779380U (en) | 2020-10-09 | 2020-10-09 | Device for detecting waterproof performance and assembly tolerance of bridge expansion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607875A (en) * | 2024-01-19 | 2024-02-27 | 四川振通检测股份有限公司 | Bridge pier foundation underwater disease detection device |
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2020
- 2020-10-09 CN CN202022233007.1U patent/CN212779380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607875A (en) * | 2024-01-19 | 2024-02-27 | 四川振通检测股份有限公司 | Bridge pier foundation underwater disease detection device |
| CN117607875B (en) * | 2024-01-19 | 2024-04-05 | 四川振通检测股份有限公司 | Bridge pier foundation underwater disease detection device |
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