CN210037118U - Bridge amount of deflection detection device - Google Patents
Bridge amount of deflection detection device Download PDFInfo
- Publication number
- CN210037118U CN210037118U CN201921039835.2U CN201921039835U CN210037118U CN 210037118 U CN210037118 U CN 210037118U CN 201921039835 U CN201921039835 U CN 201921039835U CN 210037118 U CN210037118 U CN 210037118U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- seat
- supporting
- module
- linkage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to the technical field of bridge detection, in particular to a bridge deflection detection device, which comprises a measuring module, a fixing module, a mounting disc, a support rod, a support seat, a rotating shaft and a support leg, wherein the fixing module is fixedly connected on the mounting disc; the measuring module is fixedly arranged on the inner side of the fixing module; the mounting disc is fixedly connected to the top end of the supporting rod; the middle part of the supporting rod is connected to the supporting seat through threads; three mounting grooves are uniformly arranged on the outer side surface of the supporting seat in a surrounding manner; the supporting leg is equipped with threely, and the upper end of three supporting leg is fixed connection respectively on a rotation axis, and three rotation axes are interference fit connection respectively and are in the inboard wear shaft hole of three mounting groove. The utility model discloses can be through the regulation to a plurality of supporting legs for the mounting disc keeps the state parallel with the horizontal plane, and then makes the precision of installing the measuring module in the fixed module when measuring higher.
Description
Technical Field
The utility model relates to a bridge detects technical field, especially relates to a bridge amount of deflection detection device.
Background
The bridge deflection detector is used for measuring deflection. The deflectometer can measure the variation of the vertical distance of an object above at any angle, and is mainly used for measuring the static and dynamic deflection of the bridge and checking and identifying the completion of the bridge; detecting special bridges such as military floating bridges, suspension bridges and the like; monitoring the deformation and vibration displacement of the dam and the wharf; or deformation and vibration displacement of beams, columns, high-rise buildings, hoisting machinery, drilling platforms and the like of large-span structures. When the bridge deflection detection device in the prior art is used, due to the fact that the road surface under a bridge is uneven, a measuring module inside the bridge deflection detection device cannot be kept in a horizontal state, and the problem that errors are large easily occurs during detection is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge amount of deflection detection device can be through the regulation to a plurality of supporting legs for the mounting disc keeps the state parallel with the horizontal plane, and then makes the precision of installing the measuring module in fixed module when measuring higher.
The purpose of the utility model is realized through the following technical scheme:
a bridge deflection detection device comprises a measuring module, a fixing module, a mounting disc, a supporting rod, a supporting seat, a rotating shaft and supporting legs, wherein the fixing module is fixedly connected to the mounting disc; the measuring module is fixedly arranged on the inner side of the fixing module; the mounting disc is fixedly connected to the top end of the supporting rod; the middle part of the supporting rod is connected to the supporting seat through threads; three mounting grooves are uniformly arranged on the outer side surface of the supporting seat in a surrounding manner; the supporting leg is equipped with threely, and the upper end of three supporting leg is fixed connection respectively on a rotation axis, and three rotation axes are interference fit connection respectively and are in the inboard wear shaft hole of three mounting groove.
The measuring module adopts an ultrasonic sensor.
The fixed module comprises a hexagonal base, an ejector rod, a tension spring, a hemispherical ejector block and a spring seat, wherein the middle end of the top surface of the hexagonal base is provided with a placing groove; the hexagonal base is fixedly connected to the middle of the top surface of the mounting plate; six side surfaces of the hexagonal base are respectively connected with an ejector rod in a sliding fit manner; the inner sides of the six ejector rods are respectively and fixedly connected with a hemispherical top block, the inner sides of the six hemispherical top blocks are propped against a measuring module, the measuring module is positioned in a placing groove of the hexagonal base, and the outer sides of the six ejector rods are respectively and fixedly connected with a spring seat; the push rod is sleeved with a tension spring; and two ends of the tension spring are respectively fixedly connected with the outer side surface of the hexagonal seat and the spring seat.
The hemispherical top block is made of rubber.
Three rotary deflector rods are uniformly and fixedly connected on the outer side surface of the mounting disc in a surrounding manner; and the top surfaces of the three rotating deflector rods are respectively fixedly connected with a level bubble.
The supporting leg comprises a supporting leg body, an auxiliary strut, a T-shaped movable seat, an adjusting screw rod, an adjusting disc and a fixed seat; the upper end of the supporting leg body is fixedly connected to the rotating shaft; the lower end of the supporting leg body is connected with an auxiliary strut in a sliding fit manner; the upper end of the auxiliary strut is fixedly connected with the inner end of the T-shaped movable seat, and the middle end of the T-shaped movable seat is connected in a rectangular guide hole on the outer side surface of the supporting leg body in a sliding fit manner; the fixed seat is fixedly connected to the upper end of the outer side surface of the supporting leg body; the middle part of the adjusting screw is connected on the fixed seat in a rotating fit mode, the upper end of the adjusting screw is fixedly connected with the adjusting disc, and the lower end of the adjusting screw is connected on the T-shaped movable seat through threads.
The bridge deflection detection device further comprises a synchronous adjusting module; the synchronous adjusting module comprises a linkage seat, a linkage arm and a linkage disc; the lower end of the supporting rod is rotatably connected to the linkage disc through a bearing with a seat, and an axial retaining ring is arranged at the joint of the supporting rod and the linkage disc; the outer side surface of the linkage disc is uniformly connected with the inner ends of the three linkage arms in a surrounding and rotating manner, and the outer ends of the three linkage arms are respectively connected with a linkage seat in a rotating manner; three linkage seats are respectively fixed connection on the medial surface of the three landing leg body of three supporting leg.
The utility model has the advantages that: the utility model can effectively solve the problems in the prior art, and can keep the mounting disc in a state parallel to the horizontal plane by adjusting a plurality of supporting legs, thereby ensuring that the measuring module arranged in the fixed module has higher precision in measuring; when water is accumulated under the bridge, the overall height of the utility model can be adjusted by adjusting a plurality of supporting legs, so as to prevent the influence of the accumulated water from causing the utility model to be incapable of measuring; the utility model discloses an inside still is equipped with fixed module, is convenient for fix measurement module, and measurement module convenient to detach overhauls the maintenance, and measurement module electricity connects the host computer, can feed back measured data to the host computer and calculate the bridge amount of deflection through the host computer; the utility model discloses a flexibility is better, conveniently adjusts and carries.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic structural diagram of the internal fixing module of the present invention;
fig. 4 is a schematic structural view of the inner mounting plate of the present invention;
FIG. 5 is a schematic structural view of the inner support leg of the present invention;
fig. 6 is a schematic structural diagram of the internal synchronization adjusting module of the present invention.
In the figure: a measurement module 1; a fixed module 2; a hexagonal base 2-1; 2-2 of a top rod; 2-3 of a tension spring; 2-4 parts of a hemispherical top block; 2-5 of spring seats; a mounting plate 3; rotating a deflector rod 3-1; 3-2 parts of a leveling bubble; a support rod 4; a support base 5; a rotating shaft 6; support legs 7; a leg body 7-1; auxiliary pillars 7-2; 7-3 of a T-shaped movable seat; 7-4 of an adjusting screw rod; 7-5 of an adjusting plate; 7-6 of a fixed seat; a synchronization adjustment module 8; a linkage seat 8-1; linkage arms 8-2; and a linkage disk 8-3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-6.
The first embodiment is as follows:
as shown in fig. 1-6, a bridge deflection detection device comprises a measuring module 1, a fixing module 2, a mounting plate 3, a support rod 4, a support seat 5, a rotating shaft 6 and support legs 7, wherein the fixing module 2 is fixedly connected to the mounting plate 3; the measuring module 1 is fixedly arranged on the inner side of the fixing module 2; the mounting disc 3 is fixedly connected to the top end of the support rod 4; the middle part of the support rod 4 is connected to the support seat 5 through threads; three mounting grooves are uniformly arranged on the outer side surface of the supporting seat 5 in a surrounding manner; the supporting legs 7 are three, the upper ends of the three supporting legs 7 are fixedly connected to a rotating shaft 6 respectively, and the three rotating shafts 6 are connected in shaft penetrating holes in the inner sides of the three mounting grooves in an interference fit mode respectively. The utility model discloses a bridge amount of deflection detection device, when using, at first adjust the whole of the utility model according to the actual road surface condition under the bridge, make three supporting leg 7 to the whole of the utility model carry out stable support, because three rotation axis 6 respectively interference fit connect in the through-axis hole of three mounting groove inboard, make supporting leg 7 can realize fixing after turning over and changing inclination through rotation axis 6, can not rock, make supporting seat 5 and mounting disc 3 adjust to the state parallel with the horizontal plane, make measuring module 1 parallel with the horizontal plane, improve the precision when measuring, then connect measuring module 1 with power and host computer, when the bridge takes place to warp after the bridge loading, send the signal through measuring module 1 and measure corresponding deformation displacement, measuring module electricity connects the host computer, can feed back the measured data to the host computer and carry out the amount of deflection of the bridge through the host computer, measuring the maximum deflection and the minimum deflection of the vibration amplitude of the bridge; in addition, the overall height of the utility model can be adjusted by adjusting the three supporting legs 7 and rotating the mounting plate 3, the mounting plate 3 can drive the supporting rod 4 to rotate around the axis of the mounting plate 3, the contact position between the supporting rod 4 and the supporting seat 5 can be changed when the supporting rod 4 rotates, so that the distance between the mounting plate 3 and the supporting seat 5 is changed, the height of the supporting seat 5 is adjusted, the height of the measuring module 1 is adjusted, and the measuring device can be used under different conditions; the utility model discloses a flexibility is better, conveniently adjusts and carries.
The second embodiment is as follows:
as shown in fig. 1-6, the measuring module 1 adopts an ultrasonic sensor, and the ultrasonic sensor adopts a common ultrasonic sensor purchased in the market, converts an ultrasonic signal into an electric signal, and transmits the electric signal to an upper computer, so as to measure and calculate the bridge deflection.
The third concrete implementation mode:
as shown in fig. 1-6, the fixing module 2 comprises a hexagonal base 2-1 with a placing groove at the middle end of the top surface, a top rod 2-2, a tension spring 2-3, a hemispherical top block 2-4 and a spring seat 2-5; the hexagonal base 2-1 is fixedly connected to the middle of the top surface of the mounting plate 3; six side surfaces of the hexagonal base 2-1 are respectively connected with a top rod 2-2 in a sliding fit manner; the inner sides of the six ejector rods 2-2 are respectively and fixedly connected with a hemispherical top block 2-4, the inner sides of the six hemispherical top blocks 2-4 are propped against a measuring module 1, the measuring module 1 is positioned in a placing groove of the hexagonal base 2-1, and the outer sides of the six ejector rods 2-2 are respectively and fixedly connected with a spring seat 2-5; the ejector rod 2-2 is sleeved with a tension spring 2-3; two ends of the tension spring 2-3 are respectively fixedly connected with the outer side surface of the hexagonal base 2-1 and the spring base 2-5.
The hemispherical top blocks 2-4 are made of rubber. The fixed module 2 is used for fixing the measuring modules 1 of different models or different sizes, the measuring modules 1 are placed on the inner sides of the hexagonal bases 2-1 in a fixed mode, the hemispherical ejecting blocks 2-4 are tightly ejected on the measuring modules 1 under the elastic force action of the tension springs 2-3, the fixing of the measuring modules 1 is achieved, the measuring modules 1 are prevented from being deviated due to external force in the using process, and when the measuring modules 1 need to be taken down, the spring bases 2-5 are pulled outwards.
The fourth concrete implementation mode:
as shown in fig. 1-6, three rotary shift levers 3-1 are uniformly and fixedly connected on the outer side surface of the mounting disc 3 in a surrounding manner; the top surfaces of the three rotary deflector rods 3-1 are respectively fixedly connected with a level bubble 3-2. The leveling bubble 3-2 is used for being matched with the supporting leg 7 to adjust the mounting disc 3 to be parallel to the horizontal plane; the rotary deflector rod 3-1 is used for controlling the mounting disc 3 to rotate and adjust.
The fifth concrete implementation mode:
as shown in fig. 1-6, the supporting leg 7 comprises a leg body 7-1, an auxiliary strut 7-2, a T-shaped movable seat 7-3, an adjusting screw 7-4, an adjusting disc 7-5 and a fixed seat 7-6; the upper end of the supporting leg body 7-1 is fixedly connected to the rotating shaft 6; the lower end of the supporting leg body 7-1 is connected with an auxiliary strut 7-2 in a sliding fit manner; the upper end of the auxiliary strut 7-2 is fixedly connected with the inner end of the T-shaped movable seat 7-3, and the middle end of the T-shaped movable seat 7-3 is connected in a rectangular guide hole on the outer side surface of the supporting leg body 7-1 in a sliding fit manner; the fixed seat 7-6 is fixedly connected to the upper end of the outer side surface of the supporting leg body 7-1; the middle part of the adjusting screw 7-4 is connected to the fixed seat 7-6 in a rotating fit mode, the upper end of the adjusting screw 7-4 is fixedly connected with the adjusting disc 7-5, and the lower end of the adjusting screw 7-4 is connected to the T-shaped movable seat 7-3 through threads. The supporting legs 7 are used for supporting the whole body of the utility model; the whole length of the supporting legs 7 can be adjusted, so that the requirements under different conditions can be met; when the length of the supporting leg 7 is adjusted, the adjusting disc 7-5 is rotated to drive the adjusting screw 7-4 to rotate, the contact position of the T-shaped movable seat 7-3 and the adjusting screw 7-4 can be changed when the adjusting screw 7-4 rotates, the auxiliary supporting column 7-2 is driven by the T-shaped movable seat 7-3 to slide in the supporting leg body 7-1, the distance from the auxiliary supporting column 7-2 to the supporting leg body 7-1 is changed, and the overall height of the supporting leg 7 is adjusted.
The sixth specific implementation mode:
as shown in fig. 1-6, the bridge deflection detecting device further includes a synchronous adjusting module 8; the synchronous adjusting module 8 comprises a linkage seat 8-1, a linkage arm 8-2 and a linkage disk 8-3; the lower end of the support rod 4 is rotatably connected to the linkage disc 8-3 through a bearing with a seat, and an axial retaining ring is arranged at the joint of the support rod 4 and the linkage disc 8-3; the outer side surface of the linkage disc 8-3 is uniformly connected with the inner ends of the three linkage arms 8-2 in a surrounding and rotating manner, and the outer ends of the three linkage arms 8-2 are respectively connected with one linkage seat 8-1 in a rotating manner; the three linkage seats 8-1 are respectively and fixedly connected with the inner side surfaces of three supporting leg bodies 7-1 of the three supporting legs 7. The bridge deflection detection device also comprises a synchronous adjusting module 8; the synchronous adjusting module 8 is used for controlling the three supporting legs 7 in the utility model to synchronously contract or synchronously expand, thereby improving the working efficiency when the utility model is used; the mounting disc 3 can drive the bracing piece 4 and rotate around self axis when rotating, can change the contact position of bracing piece 4 and supporting seat 5 when rotating, and the lower extreme of bracing piece 4 can drive linkage seat 8-1 and carry out the up-and-down motion of direction, can drive three landing leg body 7-1 through three linkage arm 8-2 and linkage dish 8-3 and expand or shrink when linkage seat 8-1 elevating motion, and then realize the regulation to three supporting leg 7, make the utility model discloses a whole supporting leg 7 through three expansion supports subaerial, or after contracting three supporting leg 7, is convenient for carry and removes.
The utility model discloses a theory of operation does:
the utility model discloses a bridge amount of deflection detection device, when using, it is right at first according to the actual road surface condition under the bridge the utility model discloses an it is whole to adjust, make three supporting leg 7 right the utility model discloses a whole carries out stable support, and make supporting seat 5 and mounting disc 3 adjust to the state parallel with the horizontal plane, make measuring module 1 be parallel with the horizontal plane, improve the precision when measuring, then communicate measuring module 1 with power and host computer, when the bridge takes place to warp after the bridge loading, send the signal through measuring module 1 and measure corresponding deformation displacement, measuring module electricity connects the host computer, can feed back measured data to the host computer and calculate the bridge amount of deflection through the host computer, measure the maximum amount of deflection, the minimum amount of deflection of bridge vibration range; in addition, the overall height of the utility model can be adjusted by adjusting the three supporting legs 7 and rotating the mounting plate 3, the mounting plate 3 can drive the supporting rod 4 to rotate around the axis of the mounting plate 3, the contact position between the supporting rod 4 and the supporting seat 5 can be changed when the supporting rod 4 rotates, so that the distance between the mounting plate 3 and the supporting seat 5 is changed, the height of the supporting seat 5 is adjusted, the height of the measuring module 1 is adjusted, and the measuring device can be used under different conditions; the utility model discloses a flexibility is better, conveniently adjusts and carries.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (7)
1. The utility model provides a bridge amount of deflection detection device, includes measuring module (1), fixed module (2), mounting disc (3), bracing piece (4), supporting seat (5), rotation axis (6) and supporting leg (7), its characterized in that: the fixed module (2) is fixedly connected to the mounting plate (3); the measuring module (1) is fixedly arranged on the inner side of the fixing module (2); the mounting disc (3) is fixedly connected to the top end of the supporting rod (4); the middle part of the supporting rod (4) is connected to the supporting seat (5) through threads; three mounting grooves are uniformly arranged on the outer side surface of the supporting seat (5) in a surrounding manner; the supporting legs (7) are three, the upper ends of the three supporting legs (7) are fixedly connected to a rotating shaft (6) respectively, and the three rotating shafts (6) are connected in shaft penetrating holes in the inner sides of the three mounting grooves in an interference fit mode respectively.
2. The bridge deflection detection device of claim 1, wherein: the measuring module (1) adopts an ultrasonic sensor.
3. The bridge deflection detection device of claim 1, wherein: the fixed module (2) comprises a hexagonal base (2-1) with a placing groove in the middle of the top surface, a push rod (2-2), a tension spring (2-3), a hemispherical top block (2-4) and a spring seat (2-5); the hexagonal base (2-1) is fixedly connected to the middle of the top surface of the mounting disc (3); six side surfaces of the hexagonal base (2-1) are respectively connected with an ejector rod (2-2) in a sliding fit manner; the inner sides of the six ejector rods (2-2) are respectively and fixedly connected with a hemispherical top block (2-4), the inner sides of the six hemispherical top blocks (2-4) are propped against a measuring module (1), the measuring module (1) is positioned in a placing groove of the hexagonal base (2-1), and the outer sides of the six ejector rods (2-2) are respectively and fixedly connected with a spring base (2-5); the push rod (2-2) is sleeved with a tension spring (2-3); two ends of the tension spring (2-3) are respectively and fixedly connected with the outer side surface of the hexagonal base (2-1) and the spring base (2-5).
4. A bridge deflection detection device according to claim 3, wherein: the hemispherical top blocks (2-4) are made of rubber.
5. The bridge deflection detection device of claim 1, wherein: three rotary deflector rods (3-1) are uniformly and fixedly connected on the outer side surface of the mounting disc (3) in a surrounding manner; the top surfaces of the three rotary deflector rods (3-1) are respectively fixedly connected with a level bubble (3-2).
6. The bridge deflection detection device of claim 1, wherein: the supporting leg (7) comprises a supporting leg body (7-1), an auxiliary strut (7-2), a T-shaped movable seat (7-3), an adjusting screw rod (7-4), an adjusting disc (7-5) and a fixed seat (7-6); the upper end of the supporting leg body (7-1) is fixedly connected to the rotating shaft (6); the lower end of the supporting leg body (7-1) is connected with an auxiliary strut (7-2) in a sliding fit manner; the upper end of the auxiliary strut (7-2) is fixedly connected with the inner end of the T-shaped movable seat (7-3), and the middle end of the T-shaped movable seat (7-3) is connected in a rectangular guide hole in the outer side surface of the supporting leg body (7-1) in a sliding fit manner; the fixed seat (7-6) is fixedly connected to the upper end of the outer side surface of the supporting leg body (7-1); the middle part of the adjusting screw rod (7-4) is connected to the fixed seat (7-6) in a rotating fit mode, the upper end of the adjusting screw rod (7-4) is fixedly connected with the adjusting disc (7-5), and the lower end of the adjusting screw rod (7-4) is connected to the T-shaped movable seat (7-3) through threads.
7. The bridge deflection detection device of claim 6, wherein: the bridge deflection detection device further comprises a synchronous adjusting module (8); the synchronous adjusting module (8) comprises a linkage seat (8-1), a linkage arm (8-2) and a linkage disc (8-3); the lower end of the support rod (4) is rotatably connected to the linkage disc (8-3) through a bearing with a seat, and an axial retaining ring is arranged at the joint of the support rod (4) and the linkage disc (8-3); the outer side surface of the linkage disc (8-3) is uniformly connected with the inner ends of the three linkage arms (8-2) in a surrounding and rotating manner, and the outer ends of the three linkage arms (8-2) are respectively connected with a linkage seat (8-1) in a rotating manner; the three linkage seats (8-1) are respectively and fixedly connected to the inner side surfaces of the three supporting leg bodies (7-1) of the three supporting legs (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039835.2U CN210037118U (en) | 2019-07-05 | 2019-07-05 | Bridge amount of deflection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039835.2U CN210037118U (en) | 2019-07-05 | 2019-07-05 | Bridge amount of deflection detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210037118U true CN210037118U (en) | 2020-02-07 |
Family
ID=69349286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921039835.2U Expired - Fee Related CN210037118U (en) | 2019-07-05 | 2019-07-05 | Bridge amount of deflection detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210037118U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414362A (en) * | 2020-11-06 | 2021-02-26 | 石立君 | Movable bridge deflection detection equipment |
| CN113155382A (en) * | 2021-03-09 | 2021-07-23 | 沈国兴 | Movable bridge deflection detection device |
| CN113465849A (en) * | 2021-07-22 | 2021-10-01 | 广东合众路桥科技股份有限公司 | Bridge multi-point deflection synchronous test system |
| CN113588186A (en) * | 2021-08-03 | 2021-11-02 | 刘爱华 | Auxiliary device for bridge deflection measurement |
-
2019
- 2019-07-05 CN CN201921039835.2U patent/CN210037118U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414362A (en) * | 2020-11-06 | 2021-02-26 | 石立君 | Movable bridge deflection detection equipment |
| CN112414362B (en) * | 2020-11-06 | 2022-05-24 | 石立君 | Movable bridge deflection detection equipment |
| CN113155382A (en) * | 2021-03-09 | 2021-07-23 | 沈国兴 | Movable bridge deflection detection device |
| CN113155382B (en) * | 2021-03-09 | 2023-09-12 | 江苏现代工程检测有限公司 | Portable bridge deflection detection device |
| CN113465849A (en) * | 2021-07-22 | 2021-10-01 | 广东合众路桥科技股份有限公司 | Bridge multi-point deflection synchronous test system |
| CN113465849B (en) * | 2021-07-22 | 2023-08-15 | 广东合众路桥科技股份有限公司 | Synchronous test system for multi-point deflection of bridge |
| CN113588186A (en) * | 2021-08-03 | 2021-11-02 | 刘爱华 | Auxiliary device for bridge deflection measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210037118U (en) | Bridge amount of deflection detection device | |
| CN108488574B (en) | Supporting device with adjustable supporting surface for pipeline erection | |
| CN103175565B (en) | A kind of height can self-adjusting tunnel-liner Bracket for Inspection with angle | |
| CN103463768B (en) | Levelling device, leveling turntable system and fire fighting truck | |
| CN105606357A (en) | Aircraft static strength test loading device | |
| CN111504286B (en) | Fixed point surveying and mapping tool for building planning | |
| CN213271865U (en) | Total powerstation of quick adjustment balance | |
| CN102363516A (en) | Rocker arm type vehicle detection table lifting device | |
| CN111735486B (en) | Electric power engineering construction operation measuring apparatu | |
| CN214066142U (en) | Measuring instrument support for architectural design | |
| CN211085234U (en) | Rapid leveling total station | |
| CN109341738B (en) | Tilting and swinging test bed with changeable swinging center | |
| CN204579013U (en) | A kind of receiver angle of inclination compensation arrangement being applied to laser flatting machine | |
| CN113155382A (en) | Movable bridge deflection detection device | |
| CN211783467U (en) | Road and bridge construction measuring device | |
| CN219530434U (en) | Building engineering surveying instrument | |
| CN213396932U (en) | Novel angle measuring device | |
| CN201502325U (en) | Supporting device which can be located by self and adjusted in vernier way | |
| CN116877886A (en) | Building site mapping device for indoor design | |
| CN220670519U (en) | Make things convenient for hydrostatic level of dismouting | |
| CN215807563U (en) | Regulation formula exempts from to destroy measuring instrument strutting arrangement of basic unit | |
| CN109375638B (en) | Attitude control test device and using method thereof | |
| CN117182517B (en) | Loader bucket replacement mounting apparatus | |
| CN219916010U (en) | Leveling mechanism | |
| CN203817318U (en) | Mounting structure of main cylinder of casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20200705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |