CN217483519U - Leveling device for bridge deflection test - Google Patents
Leveling device for bridge deflection test Download PDFInfo
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- CN217483519U CN217483519U CN202221534601.7U CN202221534601U CN217483519U CN 217483519 U CN217483519 U CN 217483519U CN 202221534601 U CN202221534601 U CN 202221534601U CN 217483519 U CN217483519 U CN 217483519U
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- deflection test
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Abstract
The utility model relates to a levelling device of bridge amount of deflection test belongs to bridge amount of deflection test technical field, and the levelling device of bridge amount of deflection test includes the mounting panel, be provided with the fixed pipe that is used for joint sopwith staff on the mounting panel, the mounting panel below is provided with the leveling piece that is used for leveling the mounting panel. This application has and is convenient for keep the vertical state of sopwith staff, reduces measuring error's effect.
Description
Technical Field
The application relates to the technical field of bridge deflection tests, in particular to a leveling device for a bridge deflection test.
Background
The bridge deflection refers to the maximum deformation of a bridge under the action of load, and is an index which needs to be tested in a bridge load test. The bridge deflection detection method mainly comprises a dial indicator measurement method, a level gauge measurement method, a total station measurement method and the like.
The leveling instrument is mainly used for measuring the deflection of the bridge by erecting two tower rulers on two points on the ground, arranging the leveling instrument between the two points, and calculating the height difference between the two points according to the reading on the ruler by observing the tower rulers erected on the two points. In general, the staff is fixed by being inserted into a bucket filled with sand or being wound around a magnetic gauge stand link by an adhesive tape, but the staff is easily inclined due to unevenness of the ground, wind force, and the like.
SUMMERY OF THE UTILITY MODEL
In order to keep the vertical state of sopwith staff, reduce measuring error, this application provides a levelling device of bridge amount of deflection test.
The application provides a levelling device of bridge amount of deflection test adopts following technical scheme:
the utility model provides a levelling device of bridge amount of deflection test, includes the mounting panel, be provided with the fixed pipe that is used for joint sopwith staff on the mounting panel, the mounting panel below is provided with the leveling piece that is used for the leveling mounting panel.
By adopting the technical scheme, the sliding staff is inserted into the fixing pipe to be clamped, so that the sliding staff is relatively fixed, the sliding staff is not easy to incline due to the influence of wind power because the fixing pipe has a certain height, and the mounting plate drives the sliding staff in the fixing pipe to keep a vertical state through the leveling piece, so that the sliding staff is not easy to incline due to uneven ground, and further the measurement error is reduced to a certain degree; and meanwhile, the tower ruler is convenient to install and take down.
Preferably, the fixing tube is a transparent tube body.
By adopting the technical scheme, the fixed pipe is the transparent pipe body, so that the leveling instrument can measure the number of the footrod in the fixed pipe, and the application range is enlarged.
Preferably, the leveling member comprises a plurality of threaded rods hinged on the bottom wall of the mounting plate and threaded sleeves threaded on the threaded rods.
Through adopting above-mentioned technical scheme, rotate the screw sleeve, adjust the screw sleeve and keep away from screw rod one end to the screw rod and keep away from the distance of screw sleeve one end to and the inclination through rotating the screw rod helps adjusting the mounting panel to the horizontality, for making the sopwith staff keep vertical state convenient, helps subtracting measuring error.
Preferably, still include the bottom plate, the bottom plate below is provided with a plurality of universal wheels that have the brake, the mounting panel is located the bottom plate top, threaded sleeve and bottom plate butt.
By adopting the technical scheme, the working site for detecting the bridge deflection is flat, the bottom plate is pushed, and the bottom plate drives the mounting plate and the fixing pipe on the mounting plate to move, so that the device can move conveniently, the labor is saved to a certain extent, and the device is simple and convenient.
Preferably, the bottom plate is provided with a supporting rod, one end of the supporting rod, which is far away from the bottom plate, is provided with a spherical block, a spherical groove is formed in the bottom wall of the mounting plate, the spherical block is in spherical joint with the spherical groove, and the spherical block and the fixing pipe are coaxially arranged.
Through adopting above-mentioned technical scheme, support the mounting panel through the bracing piece to reduce the mounting panel and take place unnecessary removal and influence measuring result on the bottom plate, through the ball joint of spherical piece and spherical groove, facilitate for the leveling of mounting panel.
Preferably, the bracing piece slope sets up, is provided with the connecting wire on the sphere piece, set up the opening that is used for supplying the connecting wire to pass on the bottom plate, the one end that the sphere piece was kept away from to the connecting wire is provided with the sash weight.
By adopting the technical scheme, the suspension hammer keeps a vertical state under the action of gravity, so that the tower ruler is favorably corresponding to a measuring point on the ground, and the measuring error is reduced.
Preferably, the fixed pipe rotates on the mounting panel, the axis of rotation of fixed pipe sets up along vertical direction, be provided with on the mounting panel and be used for adjusting fixed pipe and drive the sopwith staff pivoted and rotate the piece.
Through adopting above-mentioned technical scheme, order about fixed pipe through rotating the piece and drive the sopwith staff and rotate to help rotating the sopwith staff to required position and measure, and need not to rotate whole bottom plate, simple and convenient, the simple operation.
Preferably, the rotating part comprises a worm wheel sleeved on the fixed pipe and a worm rotating on the mounting plate, and the worm is meshed with the worm wheel.
Through adopting above-mentioned technical scheme, rotate the worm, make the worm drive the worm wheel and rotate, the worm wheel drives fixed pipe and rotates to suitable position, and the meshing between worm and the worm wheel has the function of auto-lock simultaneously to help fixing the dead lever relatively fixed to required position, reduce fixed pipe and appear unnecessary rotation and the measuring error who causes.
Preferably, fixed intraductal mounting bar that is provided with, offer the draw-in groove that is used for with the sopwith staff joint on the mounting bar, be provided with the cushion that is used for increasing sopwith staff and draw-in groove compactness on the draw-in groove inner wall.
Through adopting above-mentioned technical scheme, setting up of cushion has improved the relatively fixed effect between sopwith staff and the fixed pipe, further makes the sopwith staff be difficult for receiving the wind-force influence, helps reducing measuring error.
Preferably, a level bubble is arranged on the mounting plate.
Through adopting above-mentioned technical scheme, the setting of air level helps the workman to judge the state of mounting panel, is convenient for with mounting panel leveling to horizontality, reduces measuring error.
In summary, the present application includes at least one of the following beneficial technical effects:
the tower ruler is inserted into the fixing pipe to be clamped, so that the relative fixation of the tower ruler is realized, the tower ruler is not easy to incline due to the influence of wind power because the fixing pipe has a certain height, the mounting plate drives the tower ruler in the fixing pipe to keep a vertical state through the leveling part, the tower ruler is not easy to incline due to the uneven ground, and the measurement error is further reduced to a certain degree;
the hanging hammer keeps a vertical state under the action of gravity, so that the tower ruler is favorably corresponding to a measuring point on the ground, and the measuring error is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an exploded view of a partial structure of an embodiment of the present application.
Description of reference numerals: 1. mounting a plate; 2. fixing the tube; 3. a leveling member; 31. a screw; 32. a threaded sleeve; 4. a base plate; 5. a universal wheel; 6. a support bar; 7. a spherical block; 8. a spherical groove; 9. connecting wires; 10. an opening; 11. a hanging hammer; 12. a rotating member; 121. a worm gear; 122. a worm; 13. mounting a bar; 14. a card slot; 15. an elastic pad; 16. a level bubble; 17. a support plate; 18. a handle.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses leveling device for bridge deflection test. Referring to fig. 1 and 3, the leveling device for bridge deflection test comprises a bottom plate 4 and a mounting plate 1, the cross section of the bottom plate 4 is circular, in other embodiments, the circular shape can be replaced by a square shape, a plurality of universal wheels 5 with brakes are fixedly mounted below the bottom plate 4, in this embodiment, three universal wheels 5 are arranged and are arranged at intervals along the circumferential direction of the bottom plate 4, the mounting plate 1 is positioned above the bottom plate 4, the cross section of the mounting plate 1 is circular, a support rod 6 is fixedly connected to the bottom plate 4, the support rod 6 is obliquely arranged, in this embodiment, three support rods 6 are arranged at intervals along the circumferential direction of the bottom plate 4, one ends of the three support rods 6 far away from the bottom plate 4 are commonly connected with spherical blocks 7, one side of the mounting plate 1 close to the bottom plate 4 is provided with a spherical groove 8, the spherical blocks 7 are in the spherical grooves 8 to reduce unnecessary movement of the mounting plate 1, and a leveling member 3 for leveling the mounting plate 1 is arranged below the mounting plate 1, fixed mounting has air level 16 on the mounting panel 1, and one side fixedly connected with connecting wire 9 of mounting panel 1 is kept away from to spherical piece 7, offers the opening 10 that is used for supplying connecting wire 9 to pass on the bottom plate 4, and connecting wire 9 keeps away from one end fixedly connected with sash weight 11 of spherical piece 7.
Referring to fig. 1 and 2, a fixing tube 2 is arranged on one side of the mounting plate 1 away from the bottom plate 4, the fixing tube 2 is a transparent tube body, in the present embodiment, the fixing tube 2 is a transparent rubber tube, and in other embodiments, the fixing tube 2 can be replaced by a glass tube; fixedly connected with mounting bar 13 on the relative both sides inner wall of fixed pipe 2, draw-in groove 14 that is used for joint sopwith staff is offered to one side that two mounting bars 13 are close to each other, and draw-in groove 14 extends along the length direction of fixed pipe 2, and spherical piece 7 (refer to fig. 3) and the coaxial setting of fixed pipe 2 just all are located the centre of a circle position of mounting panel 1.
When the sliding staff needs to be fixed to a certain measuring point, the bottom plate 4 is pushed, the bottom plate 4 drives the mounting plate 1 to move to the measuring point position, then the bottom plate 4 is fixed relative to the ground through braking, labor is saved, then the sliding staff is inserted into the clamping groove 14, the mounting plate 1 is leveled through the leveling piece 3, the horizontal state of the mounting plate 1 is judged through the leveling bubble 16, the hanging hammer 11 is vertically downward under the action of gravity, the bottom plate 4 is moved to align the hanging hammer 11 with the measuring point, and measurement errors are reduced; the bottom plate 4 is relatively fixed through the brake on the universal wheel 5, so that the tower ruler is positioned in a vertical state, the tower ruler is not easy to incline due to the influence of wind power because the fixing pipe 2 has a certain height, and the tower ruler is not easy to incline due to the influence of uneven ground through the leveling part 3, so that the reading on the tower ruler can be read through the leveling instrument, and the measurement error is reduced to a certain extent; fixed pipe 2 is transparent body, helps the surveyor's level to read the chi number that the sopwith staff is located fixed pipe 2, enlarges the reading range.
Referring to fig. 1 and 3, in order to facilitate the installation plate 1 to be driven to maintain a horizontal state, the leveling member 3 includes a plurality of screws 31 hinged to the bottom wall of the installation plate 1 and a threaded sleeve 32 screwed on the screws 31, the hinge axes of the screws 31 are perpendicular to the axial direction of the installation plate 1, in this embodiment, three screws 31 are provided, and in other embodiments, the number of the screws 31 may be set as required; the threaded sleeve 32 abuts against the bottom plate 4, and one end of the threaded sleeve 32 close to the bottom plate 4 is provided with a circular arc shape. In other embodiments, the leveling member 3 can be replaced by a sliding rod hinged to the bottom wall of the mounting plate 1, a sleeve rod slidably sleeved on the sliding rod, and a bolt threaded through the sleeve rod, the bolt is abutted against the sliding rod, and the leveling of the mounting plate 1 can be realized by adjusting the angle of the sliding rod and the distance from one end of the sleeve rod far away from the sliding rod to the mounting plate 1.
When the mounting plate 1 needs to be leveled, the mounting plate 1 is held up to be adjusted according to the leveling bubble 16, the mounting plate 1 is rotated to be in a horizontal state, then the threaded sleeve 32 is rotated, the threaded sleeve 32 is extended or shortened to a required position, then the threaded sleeve 32 is abutted against the bottom plate 4, and therefore the mounting plate 1 drives the sliding staff in the fixing pipe 2 to be leveled, the sliding staff is not easily affected by the unevenness of the ground, and the measurement error is reduced.
Referring to fig. 1 and 2, an elastic pad 15 for increasing tightness between the tower ruler and the slot 14 is bonded to an inner wall of the slot 14, in the present embodiment, the elastic pad 15 is a rubber pad, and in other embodiments, the rubber pad may be replaced by a plastic pad. The elastic pad 15 helps to enhance the relative fixing effect of the tower ruler and the fixing pipe 2, further makes the tower ruler less susceptible to wind force, and helps to reduce measurement errors.
Referring to fig. 1, the fixed pipe 2 rotates on the mounting panel 1, the rotation axis of the fixed pipe 2 is arranged along the vertical direction, the mounting panel 1 is provided with a rotating part 12 for adjusting the fixed pipe 2 to drive the rotation of the sliding staff, the supporting plate 17 is fixed on one side of the mounting panel 1 far away from the bottom plate 4, the rotating part 12 comprises a worm wheel 121 fixedly arranged on the fixed pipe 2 and a worm 122 rotating on the supporting plate 17, the worm wheel 121 is located at one end of the fixed pipe 2 close to the mounting panel 1, the worm 122 is meshed with the worm wheel 121, one end of the worm 122 is fixedly connected with a handle 18, and convenience is provided for rotating the worm 122. In other embodiments, the worm wheel 121 and the worm 122 can be replaced by a gear sleeved on the fixed pipe 2 and a rack slidably arranged on the mounting plate 1, and the gear is engaged with the rack.
When the direction of the sliding staff needs to be adjusted, the handle 18 is rotated, the handle 18 drives the worm 122 to rotate, the worm 122 drives the worm wheel 121 to rotate so as to drive the fixed pipe 2 to rotate, so that the fixed pipe 2 drives the sliding staff to the required direction, the whole bottom plate 4 does not need to be moved when the sliding staff is used, and the operation is convenient and fast; meanwhile, the meshing of the worm 122 and the worm wheel 121 has a self-locking function, so that the tower ruler can be conveniently rotated and fixed to a required position, and the possibility of rotation caused by the influence of wind power is reduced.
The implementation principle of the embodiment of the application is as follows: when the sliding staff needs to be fixed to a certain measuring point, the bottom plate 4 is pushed, the bottom plate 4 drives the mounting plate 1 to move to the measuring point position, then the bottom plate 4 is fixed relative to the ground through braking, then the sliding staff is inserted into the clamping groove 14, the handle 18 is rotated, the handle 18 drives the worm 122 to rotate, the worm 122 drives the worm wheel 121 and the fixing pipe 2 to rotate, the fixing pipe 2 drives the sliding staff to rotate to the aligning level, then the length is adjusted through rotating the screw rod 31 and the rotating threaded sleeve 32, the mounting plate 1 is leveled, the horizontal state of the mounting plate 1 is judged through the leveling bubble 16, at the moment, the hanging hammer 11 vertically faces downwards under the action of gravity, the bottom plate 4 is moved to align the hanging hammer 11 with the measuring point, the bottom plate 4 is relatively fixed through braking on the universal wheel 5, and if the difference distance between the position of the hanging hammer 11 and the position of the measuring point is not large, the bottom plate 4 can not be moved; thereby realize that the sopwith staff is located vertical state, and be difficult for receiving the effect slope of the uneven ground and wind power, read the chi number on the sopwith staff through the spirit level, help reducing measuring error.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a levelling device of bridge amount of deflection test which characterized in that: the leveling device comprises a mounting plate (1), a fixing pipe (2) used for clamping a tower ruler is arranged on the mounting plate (1), leveling members (3) used for leveling the mounting plate (1) are arranged below the mounting plate (1), the leveling members (3) comprise a plurality of screw rods (31) hinged to the bottom wall of the mounting plate (1) and threaded sleeves (32) in threaded connection with the screw rods (31), a bottom plate (4) is further arranged, a plurality of universal wheels (5) with brakes are arranged below the bottom plate (4), the mounting plate (1) is located above the bottom plate (4), the threaded sleeves (32) are abutted to the bottom plate (4), a support rod (6) is arranged on the bottom plate (4), a spherical block (7) is arranged at one end, far away from the bottom plate (4), of the support rod (6), and a spherical groove (8) is formed in the bottom wall of the mounting plate (1), the spherical block (7) is in ball joint in the spherical groove (8), and the spherical block (7) and the fixed pipe (2) are coaxially arranged.
2. The leveling device for bridge deflection test of claim 1, wherein: the fixed tube (2) is a transparent tube body.
3. The bridge deflection test leveling device of claim 1, wherein: the support rod (6) is obliquely arranged, the spherical block (7) is provided with a connecting wire (9), the bottom plate (4) is provided with an opening (10) for the connecting wire (9) to pass through, and one end, away from the spherical block (7), of the connecting wire (9) is provided with a hanging hammer (11).
4. The leveling device for bridge deflection test according to any one of claims 1 to 3, wherein: fixed pipe (2) rotate on mounting panel (1), the rotation axis of fixed pipe (2) sets up along vertical direction, be provided with on mounting panel (1) and be used for adjusting fixed pipe (2) and drive sopwith staff pivoted rotation piece (12).
5. The leveling device for bridge deflection test of claim 4, wherein: rotate piece (12) including the cover establish worm wheel (121) on fixed pipe (2) and rotate worm (122) on mounting panel (1), worm (122) and worm wheel (121) meshing.
6. The bridge deflection test leveling device according to claim 2, wherein: be provided with mounting bar (13) in fixed pipe (2), offer draw-in groove (14) that are used for with the sopwith staff joint on mounting bar (13), be provided with on draw-in groove (14) inner wall and be used for increasing sopwith staff and draw-in groove (14) inseparable cushion (15).
7. The leveling device for bridge deflection test of claim 1, wherein: the mounting plate (1) is provided with a level bubble (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534601.7U CN217483519U (en) | 2022-06-17 | 2022-06-17 | Leveling device for bridge deflection test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534601.7U CN217483519U (en) | 2022-06-17 | 2022-06-17 | Leveling device for bridge deflection test |
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| Publication Number | Publication Date |
|---|---|
| CN217483519U true CN217483519U (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221534601.7U Active CN217483519U (en) | 2022-06-17 | 2022-06-17 | Leveling device for bridge deflection test |
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| CN (1) | CN217483519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073627A (en) * | 2023-10-17 | 2023-11-17 | 广东工业大学 | Portable elevation measurement equipment |
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2022
- 2022-06-17 CN CN202221534601.7U patent/CN217483519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073627A (en) * | 2023-10-17 | 2023-11-17 | 广东工业大学 | Portable elevation measurement equipment |
| CN117073627B (en) * | 2023-10-17 | 2023-12-08 | 广东工业大学 | Portable elevation measurement equipment |
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