CN207923330U - A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision - Google Patents
A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision Download PDFInfo
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- CN207923330U CN207923330U CN201820255645.3U CN201820255645U CN207923330U CN 207923330 U CN207923330 U CN 207923330U CN 201820255645 U CN201820255645 U CN 201820255645U CN 207923330 U CN207923330 U CN 207923330U
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- rubber strip
- shaped steel
- chain
- dynamometer
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Abstract
The utility model belongs to friction measurement device field,More particularly to a kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision,Including rubber strip apparatus for placing,Shaped steel fixed platform,Driving device,Dynamometer,Driving device drives rubber strip to be walked in the shaped steel in shaped steel fixed platform,Dynamometer measures the frictional force that rubber strip is subject in walking,The driving device includes servo motor,Head sprocket,Chain,Steering sprocket,Servo motor connects head sprocket,Chain connects head sprocket and steering sprocket,Form closed-loop control,Rubber strip is moved by fixing device with chain syn-chro-step,The fixed frame of installation dynamometer is fixed on one end of shaped steel fixed platform,It is opposite with rubber strip apparatus for placing,Movable case is installed in fixed frame,Steering sprocket is fixed in movable case,Dynamometer is contacted with movable case,Dynamometer connects computer,Gathered data,It is a kind of stable,Transmission efficiency,High certainty of measurement,High degree of automation,Experimental provision easy to operate.
Description
Technical field
The utility model belongs to friction measurement device field more particularly to a kind of bridge expanssion joint is walked resistance and counted automatically
According to acquisition experimental provision.
Background technology
It is provided according to People's Republic of China's railroad industry standard：Beam-ends water-tight device uses withdrawing water proof rubber band and lock
When the substitute mode of tight item, water proof rubber band or locking bar are penetrated by one end of special-shaped section cavity or groove until by the other end
It is pierced by, the resistance of walking in cavity should not exceed 3KN.So the performance of walking of rubber strip has strict requirements, often lead to
The inspection of experiment porch is crossed to obtain more accurate performance data.Experimental provision used at present, driving device use stepper motor,
The phenomenon that stepper motor connecting steel wire ropes, rope traction rubber strip, this easy tos produce step-out, dynamometer are worn with rubber strip
It goes and traverse measurement, it is necessary to which the data error of manual operation, measurement is big, and efficiency is low.
Utility model content
The utility model aim be open a kind of stable, transmission efficiency, high certainty of measurement, high degree of automation,
Bridge expanssion joint easy to operate walks resistance automatic data acquisition experimental provision.
It realizes above-mentioned purpose, uses following technical scheme：
A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision, including rubber strip apparatus for placing, shaped steel are solid
Fixed platform, driving device, dynamometer, driving device drive rubber strip to be walked in the shaped steel in shaped steel fixed platform, dynamometer
The frictional force that rubber strip is subject in walking is measured, the driving device includes servo motor, head sprocket, chain, turns to chain
Wheel, servo motor connect head sprocket, and chain connects head sprocket and steering sprocket, form closed-loop control, and rubber strip is filled by fixed
It sets and is moved with chain syn-chro-step, the fixed frame for installing dynamometer is fixed on one end of shaped steel fixed platform, with rubber strip apparatus for placing
Relatively, movable case is installed in fixed frame, steering sprocket is fixed in movable case, dynamometer is contacted with movable case, dynamometer connection electricity
Brain, gathered data.
A kind of above-mentioned bridge expanssion joint walks resistance automatic data acquisition experimental provision, fixing device include connecting plate,
Fixed block, fixed block are fixed on connecting plate, have pressing plate, pressing plate that rubber strip is fixed on fixed block by bolt above fixed block
On.
A kind of above-mentioned bridge expanssion joint walks resistance automatic data acquisition experimental provision, has one section on the horizontal segment of chain
Fixed chain, the both sides for often saving fixed chain have opposite support plate, support plate to be bolted with the fixed block in fixing device.
A kind of above-mentioned bridge expanssion joint walks resistance automatic data acquisition experimental provision, and installation two is parallel in fixed frame
Sliding rail, fixed opposite pulley moves on the slide rail on movable case.
A kind of above-mentioned bridge expanssion joint walks resistance automatic data acquisition experimental provision, in the end of shaped steel fixed platform
Shaped steel both sides limiter is installed, limiter connect with controller, controller control servomotor.
The present invention has the following advantages：
1, the closed-loop control of position, speed and torque is realized, stepping is overcome as output power using servo motor
The problem of motor desynchronizing；Low speed operates steadily, and low speed not will produce the step run phenomenon similar to stepper motor when running；Drop
Low running fever and noise.
2, transmission using high-performance chain can two axis centers away from farther out in the case of transmit movement and power, can be low
It works under speed, heavy duty and hot conditions and in the case that dust is big, ensures accurate transmission ratio, transmission power is larger, and makees
Smaller, the transmission efficiency with the power on axis.
3, dynamometer uses tail end fixed form, reduces the risk of damaged in collision, makes its accurate performance higher, be convenient for safely
It safeguards.
4, the detection suitable for polytypic expansion joint product, utilization rate higher.
5, it is connect with computer, data acquisition and procession is more quick, achievees the purpose that automatic running, detection.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the fixed frame of the dynamometer of the utility model.
Fig. 3 is the structural schematic diagram of the chain and fixing device of the utility model.
Fig. 4 is the partial structural diagram of the driving device of the utility model.
In figure：1, rubber strip apparatus for placing；2, shaped steel fixed platform；3, servo motor；4, steering sprocket；5, shaped steel；6、
Fixed frame；7, computer；8, shaped steel adjustment block；9, rubber strip；10, chain；11, dynamometer；12, movable case；13, sliding rail；14, sliding
Wheel；15, steering sprocket；16, connecting plate；17, fixed block；18, pressing plate；19 steering sprockets,；20, head sprocket；21, fixed chain；
22, support plate；23 limiters.
Specific implementation mode
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, a kind of bridge expanssion joint walk resistance automatic data acquisition experimental provision, including rubber
Shaped steel is fixed on shaped steel and fixed by adhesive tape apparatus for placing 1, shaped steel fixed platform 2, driving device, dynamometer 11, shaped steel adjustment block 8
On platform 2, rubber strip 9 is wrapped on rubber strip apparatus for placing 1, and driving device drives rubber strip 9 in shaped steel fixed platform 2
It is walked in shaped steel 5, dynamometer 11 measures the frictional force that rubber strip 9 is subject in walking, and the driving device includes servo electricity
Machine 3, head sprocket 20, chain 10, steering sprocket 19,15,4, in same level, servo motor 3 connects steering sprocket 19,15
Head sprocket 20, chain 10 connect head sprocket 20 and steering sprocket 19,15,4, form closed-loop control, and rubber strip 9 passes through fixing device
With 10 synchronizing moving of chain, the fixed frame 6 of installation dynamometer 11 is fixed on one end of shaped steel fixed platform 2, is placed with rubber strip 9
Device 1 is opposite, and movable case 12 is installed in fixed frame 6, fixes steering sprocket 15 in movable case 12, dynamometer 11 connects with movable case 12
It touches, dynamometer connects computer 7, gathered data.
Fixing device includes connecting plate 16, fixed block 17, and fixed block 17 is fixed on 16 on connecting plate, and fixed block 17 has above
Rubber strip 9 is fixed on fixed block 17 by bolt, there is a groove on top board 18 by pressing plate 18, pressing plate 18.The level of chain 10
There is more piece to fix chain 21 in section, there are opposite support plate 22, support plate 22 and the connection in fixing device in the both sides of fixed chain 21
Plate 16 is bolted.
It installs and two parallel sliding rails 13 is installed in the fixed frame 6 of dynamometer 11, fixed opposite cunning on movable case 12
Wheel 14 moves on sliding rail 13.Limiter 23, limiter 23 and control are installed in 5 both sides of shaped steel of the end of shaped steel fixed platform 2
Device connection processed, controller control servomotor 3.
The operation principle of the present invention：It will need rubber strip installation to be tested on the securing means, servo motor starts, sprocket wheel
Rotation drives chain, and the rubber strip in fixation chain-driving fixing device on chain is moved along cavity, and rubber strip is run through
Frictional force is generated in journey, is increased by the transmission pulling force of chain, sprocket wheel stress generates opposite power, at this time the fixed dynamometry of tail end
Meter starts gathered data, and the data of dynamometer acquisition enter computer by data line transfer, and computer expert crosses analysis and arrangement and directly provides
Data report, whether judgement product is qualified, and when the fixation chain of fixed rubber strip is moved to limiter position, limiter is to control
Device processed sends out signal, the power-off of controller control servomotor.Servo motor drives chain to keep in the center, the fixation chain on chain
It can only move in the horizontal direction, but realize the closed-loop control of position, speed and torque.
Claims (5)
1. a kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision, including rubber strip apparatus for placing, shaped steel are fixed
Platform, driving device, dynamometer, driving device drive rubber strip to be walked in the shaped steel in shaped steel fixed platform, dynamometry measurement
The frictional force that amount rubber strip is subject in walking, it is characterised in that：The driving device includes servo motor, head sprocket, chain
Item, steering sprocket, servo motor connect head sprocket, and chain connects head sprocket and steering sprocket, forms closed-loop control, rubber band logical
It crosses fixing device to move with chain syn-chro-step, the fixed frame for installing dynamometer is fixed on one end of shaped steel fixed platform, with rubber strip
Apparatus for placing is opposite, and movable case is installed in fixed frame, fixes steering sprocket in movable case, dynamometer is contacted with movable case, dynamometry
Meter connection computer, gathered data.
2. a kind of bridge expanssion joint according to claim 1 walks resistance automatic data acquisition experimental provision, feature exists
In：Fixing device includes connecting plate, fixed block, and fixed block is fixed on connecting plate, has pressing plate, pressing plate to pass through spiral shell above fixed block
Rubber strip is fixed on fixed block by bolt.
3. a kind of bridge expanssion joint according to claim 2 walks resistance automatic data acquisition experimental provision, feature exists
In：There is one section of fixed chain on the horizontal segment of chain, there are opposite support plate, support plate and fixing device in the both sides for often saving fixed chain
On fixed block be bolted.
4. a kind of bridge expanssion joint according to claim 1 or 2 or 3 walks resistance automatic data acquisition experimental provision,
It is characterized in that：Two parallel sliding rails are installed, fixed opposite pulley moves on the slide rail on movable case in fixed frame.
5. a kind of bridge expanssion joint according to claim 4 walks resistance automatic data acquisition experimental provision, feature exists
In：Limiter is installed in the shaped steel both sides of the end of shaped steel fixed platform, limiter is connect with controller, and controller controls servo
Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255645.3U CN207923330U (en) | 2018-02-03 | 2018-02-03 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255645.3U CN207923330U (en) | 2018-02-03 | 2018-02-03 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923330U true CN207923330U (en) | 2018-09-28 |
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ID=63601572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820255645.3U Active CN207923330U (en) | 2018-02-03 | 2018-02-03 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
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| CN (1) | CN207923330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195500A (en) * | 2018-02-03 | 2018-06-22 | 河北航科工程检测设备技术有限公司 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
| CN108195500B (en) * | 2018-02-03 | 2024-06-07 | 河北航科工程检测设备技术有限公司 | Automatic data acquisition experimental device for bridge expansion joint running resistance |
-
2018
- 2018-02-03 CN CN201820255645.3U patent/CN207923330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195500A (en) * | 2018-02-03 | 2018-06-22 | 河北航科工程检测设备技术有限公司 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
| CN108195500B (en) * | 2018-02-03 | 2024-06-07 | 河北航科工程检测设备技术有限公司 | Automatic data acquisition experimental device for bridge expansion joint running resistance |
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