CN221148022U - Highway bridge expansion joint test device - Google Patents
Highway bridge expansion joint test device Download PDFInfo
- Publication number
- CN221148022U CN221148022U CN202321964542.1U CN202321964542U CN221148022U CN 221148022 U CN221148022 U CN 221148022U CN 202321964542 U CN202321964542 U CN 202321964542U CN 221148022 U CN221148022 U CN 221148022U
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- fixedly arranged
- fixed
- expansion joint
- arrangement
- nut
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- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression 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
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a highway bridge expansion joint test device in the technical field of expansion joints, which comprises a base, wherein hydraulic expansion plates are fixedly arranged on two sides of the top of the base, a baffle is fixedly arranged on the top of each hydraulic expansion plate, an electric expansion link is fixedly arranged on the right side of each baffle, a fixed table is fixedly arranged on the top of each electric expansion link, and a rocker is fixedly arranged on the front face of each fixed table. According to the utility model, the telescopic joint is convenient to place through the arrangement of the base, the height of the fixed table can be adjusted through the arrangement of the hydraulic telescopic plate, so that a user can conveniently align the fixed plate with the telescopic joint, the installation strength of the electric telescopic rod can be enhanced through the arrangement of the baffle, the fixed table is convenient to drive through the arrangement of the electric telescopic rod, a stretching experiment is carried out, the telescopic joint can be fixed through the arrangement of the fixed table, and the influence of the displacement of the telescopic joint on an experiment result is greatly reduced, and the fixed plate can be moved through the arrangement of the rocker.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to a highway bridge expansion joint test device.
Background
The highway bridge expansion joint is a device arranged in a gap formed between two adjacent girder bodies for meeting the requirement of bridge deck deformation, the girder bodies can be girder sections or bridge platforms connected with girders, the bridge expansion joint is required to be freely telescopic, firm and reliable in the length and width directions of a bridge, vehicles run smoothly without sudden jump and noise, and the compression resistance of the expansion joint is an important factor for ensuring driving safety and service life.
The utility model provides an expansion joint test device of application number CN215525326U, including the platform that is used for placing the expansion joint, expansion joint width direction's both ends all are fixed with fixed reinforcing bar, the one end that the expansion joint was kept away from to fixed reinforcing bar is the arc, and the warp direction of fixed reinforcing bar arc end sets up along vertical direction, the length direction of expansion joint sets up along the length direction of platform, platform width direction's both ends all are equipped with a plurality of pull rods that are used for inserting fixed reinforcing bar, each pull rod and platform are along platform width direction sliding connection, be equipped with on the platform and be used for driving the pull rod along the first drive assembly that platform width direction removed, each pull rod all is along platform length direction sliding connection with the platform, all be equipped with in self width direction both ends on the platform and be used for driving the pull rod along two second drive assemblies that platform length direction removed. According to the application, the first driving assembly can drive the pull rod to move close to the expansion joint, and the second driving assembly is used for driving the pull rod to insert into the fixed steel bar, so that time and labor are saved compared with the manual movement of the expansion joint into the fixed steel bar.
However, according to the working principle proposed by the above patent, the applicant believes that although the device moves the expansion joint into the fixed steel bar to a certain extent than the manual operation, the time and the labor are saved, in actual use, the fixing effect of the device on the expansion joint is poor, and in the test process, offset may occur, so that the test result is affected.
Accordingly, a highway bridge expansion joint test apparatus is provided by those skilled in the art to solve the above-mentioned problems of the prior art.
Disclosure of utility model
The utility model aims to provide a highway bridge expansion joint test device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the highway bridge expansion joint test device comprises a base, hydraulic expansion plates are fixedly installed on two sides of the top of the base, a baffle is fixedly installed on the top of each hydraulic expansion plate, an electric telescopic rod is fixedly installed on the right side of each baffle, a fixing table is fixedly installed on the top of each electric telescopic rod, and a rocker is fixedly installed on the front face of each fixing table.
As a further scheme of the utility model: the top of rocker fixed mounting bearing, the inboard fixedly connected with first lead screw of bearing.
As still further aspects of the utility model: the top fixed mounting of first lead screw has the fixed block, the top fixed mounting of fixed block has the second lead screw.
As still further aspects of the utility model: the surface of the first screw rod is movably connected with a first nut, and a first fixing plate is fixedly arranged at the top of the first nut.
As still further aspects of the utility model: the surface of the second screw rod is movably connected with a second nut, and a second fixing plate is fixedly arranged at the top of the second nut.
As still further aspects of the utility model: the bottoms of the first nut and the second nut are fixedly provided with sliding plates, and the right side of the fixed table is provided with a movable groove.
As still further aspects of the utility model: the sliding groove is formed in the bottom of the inner cavity of the fixed table, the placing table is formed in the top of the base, and the rolling ball is movably installed in the bearing.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the expansion joint is convenient to place through the arrangement of the base, the height of the fixing table can be adjusted through the arrangement of the hydraulic expansion plate, so that a user can conveniently align the fixing plate with the expansion joint, the installation strength of the electric expansion rod can be enhanced through the arrangement of the baffle, the fixing table is convenient to drive through the arrangement of the electric expansion rod, a stretching experiment is carried out, the expansion joint can be fixed through the arrangement of the fixing table, the influence of the expansion joint offset on an experiment result is greatly reduced, and the fixing plate can be moved through the arrangement of the rocker, so that the expansion joint is convenient to fix by the user.
2. According to the utility model, through the arrangement of the bearing, the rotation friction is convenient to reduce, the linear motion of the first fixed plate is convenient to realize, through the arrangement of the first screw, the expansion joint is convenient to fix together with the second fixed plate, through the arrangement of the second screw, the linear motion of the second fixed plate is convenient to realize, through the arrangement of the first nut, the rotation of the rocker is convenient to follow, through the arrangement of the second fixed plate, the expansion joint is convenient to fix with the first fixed plate, through the arrangement of the sliding plate, the sliding of the nut is convenient, through the arrangement of the movable groove, the movement of the fixed plate is convenient, the movement of the sliding plate is convenient, and the rotation of the bearing is convenient through the arrangement of the rolling ball.
Drawings
FIG. 1 is a front perspective view of the structure of the present utility model;
FIG. 2 is a top plan view of the structure of the present utility model;
FIG. 3 is a side cross-sectional view of a mounting table structure of the present utility model;
Fig. 4 is a side cross-sectional view of a bearing structure of the present utility model.
In the figure: 1. a base; 2. a hydraulic expansion plate; 3. a baffle; 4. an electric telescopic rod; 5. a fixed table; 6. a rocker; 7. a bearing; 8. a first lead screw; 9. a fixed block; 10. a second lead screw; 11. a first nut; 12. a first fixing plate; 13. a second nut; 14. a second fixing plate; 15. a sliding plate; 16. a movable groove; 17. a sliding groove; 18. a placement table; 19. a rolling ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in the embodiment of the utility model, a highway bridge expansion joint test device comprises a base 1, wherein hydraulic expansion plates 2 are fixedly arranged on two sides of the top of the base 1, a baffle plate 3 is fixedly arranged on the top of the hydraulic expansion plates 2, an electric expansion rod 4 is fixedly arranged on the right side of the baffle plate 3, a fixed table 5 is fixedly arranged on the top of the electric expansion rod 4, and a rocker 6 is fixedly arranged on the front surface of the fixed table 5.
Through the setting of base 1, be convenient for place the expansion joint, through the setting of hydraulic expansion plate 2, can adjust the height of fixed station 5, thereby the expansion joint is aimed at to the person of facilitating the use fixed plate, through the setting of baffle 3, can strengthen the installation strength of electric telescopic handle 4, through the setting of electric telescopic handle 4, be convenient for drive fixed station 5, stretch the experiment, through the setting of fixed station 5, can fix the expansion joint, thereby greatly reduced the influence of expansion joint skew to the experimental result, through the setting of rocker 6, can make the fixed plate remove, thereby the fixed expansion joint of convenient to use.
In the embodiment, a bearing 7 is fixedly arranged at the top of the rocker 6, and a first screw rod 8 is fixedly connected to the inner side of the bearing 7.
Through the setting of bearing 7, be convenient for reduce the rotation friction, through the setting of first lead screw 8, the rectilinear motion of the first fixed plate 12 of being convenient for.
In this embodiment, a fixed block 9 is fixedly installed on the top of the first screw 8, and a second screw 10 is fixedly installed on the top of the fixed block 9.
By the arrangement of the second screw 10, the linear movement of the second fixing plate 14 is facilitated.
In the embodiment, a first nut 11 is movably connected to the surface of the first screw rod 8, and a first fixing plate 12 is fixedly installed on the top of the first nut 11.
Through the setting of first fixed block 12, be convenient for fix the expansion joint with second fixed plate 14 together, through the setting of first nut 11, be convenient for follow rocker 6 and rotate.
In this embodiment, the surface of the second screw rod 10 is movably connected with a second nut 13, and a second fixing plate 14 is fixedly installed on the top of the second nut 13.
By the arrangement of the second fixing plate 14, the expansion joint is convenient to fix with the first fixing block 12.
In this embodiment, a sliding plate 15 is fixedly mounted at the bottom of the first nut 11 and the second nut 13, and a movable slot 16 is formed on the right side of the fixed table 5.
The sliding of the nut is facilitated by the arrangement of the sliding plate 15, and the movement of the fixed plate is facilitated by the arrangement of the movable groove 16.
In the embodiment, a sliding groove 17 is formed in the bottom of the inner cavity of the fixed table 5, a placement table 18 is formed in the top of the base 1, and a rolling ball 19 is movably mounted in the bearing 7.
The movement of the fixed plate is facilitated, the movement of the sliding plate 15 is facilitated through the arrangement of the sliding groove 17, and the rotation of the bearing 7 is facilitated through the arrangement of the rolling ball 19.
The working principle of the utility model is as follows: the telescopic joint is convenient to place through base 1, the height of fixed station 5 can be adjusted through hydraulic expansion plate 2, the installation intensity of electric telescopic rod 4 can be strengthened through baffle 3, be convenient for drive fixed station 5 through electric telescopic rod 4, can fix the telescopic joint through fixed station 5, can make the fixed plate remove through rocker 6, be convenient for reduce the rotation friction through bearing 7, the rectilinear motion of first fixed plate 12 is convenient for through first lead screw 8, the rectilinear motion of second fixed plate 14 is convenient for through second lead screw 10, be convenient for fix the telescopic joint together with second fixed plate 14 through first fixed plate 12, be convenient for follow rocker 6 through first nut 11 and rotate, be convenient for with first fixed plate 12 fixed the telescopic joint through second fixed plate 14, be convenient for the slip of nut through sliding plate 15, the activity of fixed plate is convenient for through movable groove 16, the removal of sliding plate 15 is convenient for rolling ball through sliding groove 17 and is convenient for the rotation of bearing.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. Highway bridge expansion joint test device, including base (1), its characterized in that: the hydraulic telescopic device is characterized in that hydraulic telescopic plates (2) are fixedly arranged on two sides of the top of the base (1), a baffle plate (3) is fixedly arranged on the top of the hydraulic telescopic plates (2), an electric telescopic rod (4) is fixedly arranged on the right side of the baffle plate (3), a fixed table (5) is fixedly arranged on the top of the electric telescopic rod (4), and a rocker (6) is fixedly arranged on the front face of the fixed table (5);
A bearing (7) is fixedly arranged at the top of the rocker (6), and a first screw rod (8) is fixedly connected to the inner side of the bearing (7);
A fixed block (9) is fixedly arranged at the top of the first screw rod (8), and a second screw rod (10) is fixedly arranged at the top of the fixed block (9);
The surface of the first screw rod (8) is movably connected with a first nut (11), and a first fixing plate (12) is fixedly arranged at the top of the first nut (11).
2. The highway bridge expansion joint test device according to claim 1, wherein: the surface of the second screw rod (10) is movably connected with a second nut (13), and a second fixing plate (14) is fixedly arranged at the top of the second nut (13).
3. The highway bridge expansion joint test device according to claim 1, wherein: the bottoms of the first nut (11) and the second nut (13) are fixedly provided with a sliding plate (15), and the right side of the fixed table (5) is provided with a movable groove (16).
4. The highway bridge expansion joint test device according to claim 1, wherein: the bottom of fixed station (5) inner chamber has seted up sliding tray (17), lay platform (18) have been seted up at the top of base (1), the inside movable mounting of bearing (7) has spin (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964542.1U CN221148022U (en) | 2023-07-25 | 2023-07-25 | Highway bridge expansion joint test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964542.1U CN221148022U (en) | 2023-07-25 | 2023-07-25 | Highway bridge expansion joint test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221148022U true CN221148022U (en) | 2024-06-14 |
Family
ID=91383208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321964542.1U Active CN221148022U (en) | 2023-07-25 | 2023-07-25 | Highway bridge expansion joint test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221148022U (en) |
-
2023
- 2023-07-25 CN CN202321964542.1U patent/CN221148022U/en active Active
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