CN207336011U - A kind of bridge deflection measurement device - Google Patents
A kind of bridge deflection measurement device Download PDFInfo
- Publication number
- CN207336011U CN207336011U CN201721091876.7U CN201721091876U CN207336011U CN 207336011 U CN207336011 U CN 207336011U CN 201721091876 U CN201721091876 U CN 201721091876U CN 207336011 U CN207336011 U CN 207336011U
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- China
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- guide rail
- connection
- clamping device
- clump weight
- rail bracket
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Abstract
The utility model discloses a kind of bridge deflection measurement device.Including sender unit and signal receiving device；The sender unit includes clamping device, and the emitted end universal joint of clamping device is connected with transmitting terminal clump weight, and transmitting terminal clump weight is equipped with laser emitter；The signal receiving device includes clamping device, and the received end universal joint of clamping device is connected with receiving mechanism；The receiving mechanism includes guide rail bracket, guide rail bracket lower part is equipped with receiving terminal clump weight, guide rail bracket is equipped with two with guide rail, contiguous block is connected between two guide rails, contiguous block is connected with scale plate, the front of scale plate is equipped with graduation mark, and the back side of scale plate is connected through rack with adjustment gear, and adjustment gear is hinged with contiguous block；The guide rail bracket top is connected with receiving terminal universal joint.The laser emitter remains horizontal under the effect of receiving terminal clump weight.It has the characteristics that easy to use and high certainty of measurement.
Description
Technical field
Bridge Testing Equipment is the utility model is related to, particularly a kind of bridge deflection measurement device.
Background technology
At present, be the technology status of grasping bridge, through judging its bearing capacity frequently with loading test, during experiment on
The amount of deflection of portion's structure is very important one of basis for estimation.During Test on Bridge Loading, except scratching for large-span steel box beam suspension bridge
Spend larger, can be measured using total powerstation outer, conventional bridge particularly viaduct, economically considers, across footpath all without
Very big, so amount of deflection is all smaller during experiment, measurement accuracy requirement reaches submillimeter level.At present, to reach such precision generally to adopt
With communicating pipe spirit level, precision level.Communicating pipe, spirit level required datum mark and measuring point to be maintained at same level substantially
On, if arch bridge needs to measure the amount of deflection of main arch ring, main arch ring is warp architecture, and height difference is larger, it is impossible to meets this requirement, nothing
Method measures its amount of deflection using communicating pipe spirit level；And communicating pipe spirit level installation is cumbersome, each measuring point is required for base,
It can not be installed in some bridge structures to be measured.Amount of deflection is measured using precision level, the scale and instrument collimation axis of measuring point are stringent
It is required that in same level, some viaducts build the place that on very steep hillside, can not find and be adapted to set up spirit level, thus nothing
Method is measured using precision level.
Utility model content
The purpose of this utility model is that, there is provided a kind of bridge deflection measurement device.It has easy to use and measurement essence
Spend the characteristics of high.
The technical solution of the utility model：A kind of bridge deflection measurement device, including sender unit and signal receive
Device；The sender unit includes clamping device, and the emitted end universal joint of clamping device is connected with transmitting terminal clump weight,
Transmitting terminal clump weight is equipped with laser emitter；The signal receiving device includes clamping device, the received end of clamping device
Universal joint is connected with receiving mechanism；The receiving mechanism includes guide rail bracket, and guide rail bracket lower part is equipped with receiving terminal clump weight, guide rail
Frame is equipped with two with guide rail, is connected with contiguous block between two guide rails, contiguous block is connected with scale plate, and the front of scale plate is equipped with
Graduation mark, the back side of scale plate are connected through rack with adjustment gear, and adjustment gear is hinged with contiguous block；The guide rail bracket top
It is connected with receiving terminal universal joint.
In foregoing bridge deflection measurement device, the clamping device includes clamp bracket, the connection of clamp bracket lower end
There is lower clamping part, leading screw is additionally provided with clamp bracket, leading screw is connected with feed screw nut, and feed screw nut passes through sliding groove and upper clamping
Portion connects, and the head end of leading screw is equipped with holding handle.
In foregoing bridge deflection measurement device, trip bolt is additionally provided with the upper clamping part.
In foregoing bridge deflection measurement device, clamp nut is additionally provided with the leading screw below the holding handle.
In foregoing bridge deflection measurement device, the adjusted axis of the adjustment gear is connected with regulation handle.
Compared with prior art, the utility model by clamping device respectively by sender unit and signal receiving device
It is fixed on bridge, the connection of clamping device and laser emitter and be universal joint connection with the connection of receiving mechanism, and believes
Number emitter and receiving mechanism are equipped with clump weight, which is able to ensure that the light beam and receiving mechanism of laser transmitter projects
Scale plate remain vertical, without setting up spirit level, make operation more convenient, and the claming angle pair of clamping device
The angle of light beam and scale plate does not influence, and avoids rigging error, improves measurement accuracy.
Brief description of the drawings
Fig. 1 is the use state diagram of the utility model；
Fig. 2 is the structure diagram of sender unit；
Fig. 3 is the structure diagram of signal receiving device；
Fig. 4 is the structure diagram in the A directions of Fig. 3.
Mark in attached drawing for：1- sender units, 2- signal receiving devices, 3- clamping devices, 4- transmitting terminals are universal
Section, 5- transmitting terminal clump weights, 6- laser emitters, 7- sliding grooves, 8- receiving terminal universal joints, 9- receiving mechanisms, 10- guide rail brackets,
11- guide rails, 12- contiguous blocks, 13- scale plates, 14- racks, 15- adjustment gears, 16- receiving terminal clump weights, 17- clamp brackets,
Clamping part under 18-, 19- leading screws, 20- feed screw nuts, the upper clamping parts of 21-, 22- holding handles, 23- trip bolts, 24- fastening spiral shells
Mother, 25- adjustment axis, 26- regulation handles, 27- bridges.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment 1.A kind of bridge deflection measurement device, is formed as shown in Figs 1-4, including sender unit 1 and signal
Reception device 2；The sender unit 1 includes clamping device 3, and the emitted end universal joint 4 of clamping device 3 is matched somebody with somebody with transmitting terminal
Pouring weight 5 connects, and transmitting terminal clump weight 5 is equipped with laser emitter 6；The signal receiving device 2 includes clamping device 3, folder
The received end universal joint 8 of mechanism 3 is held to be connected with receiving mechanism 9；The receiving mechanism 9 includes guide rail bracket 10, under guide rail bracket 10
Portion is equipped with receiving terminal clump weight 16, and guide rail bracket 10 is equipped with two with guide rail 11, is connected with contiguous block 12 between two guide rails 11, even
Connect block 12 to be connected with scale plate 13, the front of scale plate 13 is equipped with graduation mark, and the back side of scale plate 13 is through rack 14 and adjusting tooth
The connection of wheel 15, adjustment gear 15 are hinged with contiguous block 12；10 top of guide rail bracket is connected with receiving terminal universal joint 8.It is described
Laser emitter 6 remain horizontal under the effect of receiving terminal clump weight 16.The center of circle of the receiving terminal universal joint 8 is with connecing
The line for receiving the center of gravity of mechanism 9 keeps vertical and parallel with scale plate 13.
The clamping device 3 includes clamp bracket 17, and 17 lower end of clamp bracket is connected with lower clamping part 18, clamp bracket
Leading screw 19 is additionally provided with 17, leading screw 19 is connected with feed screw nut 20, and feed screw nut 20 connects through sliding groove 7 with upper clamping part 21
Connect, the head end of leading screw 19 is equipped with holding handle 22.
Trip bolt 23 is additionally provided with foregoing upper clamping part 21.
Clamp nut 24 is additionally provided with the leading screw 19 of the foregoing lower section of holding handle 22.
The adjusted axis 25 of foregoing adjustment gear 15 is connected with regulation handle 26.
In use, the clamping device 3 of sender unit 1 and signal receiving device 2 by laser emitter 6 and receives respectively
Mechanism 9 is fixed on bridge, is opened laser emitter 6 and is launched light beam, and adjusting 13 position of scale plate of receiving mechanism 9 falls light beam
Align onto scale plate 13, and with the zero point of the graduation mark on scale plate 13, specific alignment thereof is, by contiguous block 12 along guide rail
11 slidings make light beam fall on scale plate 13, afterwards turn regulation handle 26, the scale in the case where adjustment gear 15 and rack 14 link
The movement of 13 up/down of plate makes light beam align with zero point.After alignment, bridge floor is loaded according to pre-prepd weight, treats bridge structure
After stabilization, the displacement for reading light beam movement is the deflection value measured.
Foregoing clamp bracket 17 is in use, turn holding handle 22, in the case where leading screw 19 and feed screw nut 20 link, drives
Bridge 16 is clamped in upper 21 up/down of clamping part movement, tightens clamp nut 24 afterwards and trip bolt 23 completes clamping.
Claims (5)
- A kind of 1. bridge deflection measurement device, it is characterised in that：Including sender unit（1）And signal receiving device（2）；Institute The sender unit stated（1）Including clamping device（3）, clamping device（3）Emitted end universal joint（4）With transmitting terminal clump weight （5）Connection, transmitting terminal clump weight（5）It is equipped with laser emitter（6）；The signal receiving device（2）Including clamping device （3）, clamping device（3）Received end universal joint（8）With receiving mechanism（9）Connection；The receiving mechanism（9）Including guide rail bracket （10）, guide rail bracket（10）Lower part is equipped with receiving terminal clump weight（16）, guide rail bracket（10）Two are equipped with guide rail（11）, two guide rails （11）Between be connected with contiguous block（12）, contiguous block（12）With scale plate（13）Connection, scale plate（13）Front be equipped with carve Spend line, scale plate（13）The back side through rack（14）With adjustment gear（15）Connection, adjustment gear（15）With contiguous block（12）Hinge Connect；The guide rail bracket（10）Top and receiving terminal universal joint（8）Connection.
- 2. bridge deflection measurement device according to claim 1, it is characterised in that：The clamping device（3）Including folder Hold stent（17）, clamp bracket（17）Lower end is connected with lower clamping part（18）, clamp bracket（17）Inside it is additionally provided with leading screw（19）, silk Thick stick（19）With feed screw nut（20）Connection, feed screw nut（20）Through sliding groove（7）With upper clamping part（21）Connection, leading screw（19） Head end be equipped with holding handle（22）.
- 3. bridge deflection measurement device according to claim 2, it is characterised in that：The upper clamping part（21）On also set There is trip bolt（23）.
- 4. the bridge deflection measurement device according to Claims 2 or 3, it is characterised in that：The holding handle（22）Under The leading screw of side（19）On be additionally provided with clamp nut（24）.
- 5. bridge deflection measurement device according to claim 1 or 2, it is characterised in that：The adjustment gear（15）Through Adjustment axis（25）With regulation handle（26）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721091876.7U CN207336011U (en) | 2017-08-29 | 2017-08-29 | A kind of bridge deflection measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721091876.7U CN207336011U (en) | 2017-08-29 | 2017-08-29 | A kind of bridge deflection measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336011U true CN207336011U (en) | 2018-05-08 |
Family
ID=62371306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721091876.7U Active CN207336011U (en) | 2017-08-29 | 2017-08-29 | A kind of bridge deflection measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443674A (en) * | 2019-01-05 | 2019-03-08 | 深圳市清华苑工程结构鉴定有限公司 | A kind of beam deflection detection device and its detection method |
-
2017
- 2017-08-29 CN CN201721091876.7U patent/CN207336011U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443674A (en) * | 2019-01-05 | 2019-03-08 | 深圳市清华苑工程结构鉴定有限公司 | A kind of beam deflection detection device and its detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 550029 Qishan resettlement site, HuChao Township, Gui'an New District, Guiyang City, Guizhou Province Patentee after: China Railway 17th Bureau Group Urban Construction Co., Ltd Address before: 550003 Qishan resettlement site, Gui'an New District, Guiyang City, Guizhou Province Patentee before: CHINA RAILWAY (GUIZHOU) MUNICIPAL ENGINEERING Co.,Ltd. |