CN109781367A - A kind of detection device with elasticity regulatory function for drag-line bridge - Google Patents
A kind of detection device with elasticity regulatory function for drag-line bridge Download PDFInfo
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- CN109781367A CN109781367A CN201910075401.6A CN201910075401A CN109781367A CN 109781367 A CN109781367 A CN 109781367A CN 201910075401 A CN201910075401 A CN 201910075401A CN 109781367 A CN109781367 A CN 109781367A
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- connecting box
- drag
- rod
- fixed pulley
- hole
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Abstract
The present invention relates to a kind of detection devices with elasticity regulatory function for drag-line bridge, including connecting box, the side of the connecting box is set there are two through-hole, the through-hole distribution in a strip shape, testing agency and two regulating mechanisms are equipped in the connecting box, the testing agency is arranged between two through-holes, the regulating mechanism and through-hole correspond, the regulating mechanism includes slide plate, first fixed pulley, driving motor, screw rod, two polished rods and two limited blocks, the testing agency includes the second fixed pulley, sliding block, drive rod, fixing pipe, seal disc, baroceptor and two support units, the detection device with elasticity regulatory function for being used for drag-line bridge realizes detection wire rope tightness by testing agency, moreover, the function of adjusting wire rope tightness is also realized by regulating mechanism.
Description
Technical field
The present invention relates to bridge apparatus field, in particular to a kind of inspection with elasticity regulatory function for drag-line bridge
Survey device.
Background technique
Bridge equipment refers to the equipment such as the construction, detection, maintenance for bridge, and wherein Bridge Testing Equipment refers to bridge
The equipment that the entirety or main component of structure are detected understands the working condition and bearing capacity of bridge structure and its component,
To verify the design calculation theory of bridge structure, examine construction quality and find the problem of using etc..
Drag-line bridge is a kind of common bridge, and drag-line bridge is the weight that bridge floor is supported by wirerope, and weight is shifted
Onto bridge column, bridge column is made to bear huge pressure, the wirerope on existing drag-line bridge in use, may be due to ring
The variation of border temperature, it is separate by what is expanded with heat and contract with cold, so that the elasticity of wirerope is changed, when wirerope tension, easily makes
Wire cable rupture, and when wirerope is excessively loose, the robustness of drag-line bridge can be reduced, moreover, existing drag-line bridge is detecting
When wire rope tightness, mostly being detected by pulling force, the deformation calculation that wirerope generates under a stretching force goes out elasticity,
But the data error that wirerope deformation generates is larger, reduces detection accuracy.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, provide a kind of for drag-line bridge
Detection device with elasticity regulatory function.
The technical solution adopted by the present invention to solve the technical problems is: a kind of for drag-line bridge to there is elasticity to adjust
The detection device of function, including connecting box, the side of the connecting box set the through-hole distribution in a strip shape there are two through-hole, institute
It states and is equipped with testing agency and two regulating mechanisms in connecting box, the testing agency is arranged between two through-holes, the adjusting
Mechanism and through-hole correspond；
The regulating mechanism includes slide plate, the first fixed pulley, driving motor, screw rod, two polished rods and two limited blocks, institute
It states driving motor to be fixed on the inner wall of separate through-hole side of connecting box, the driving motor is connect with screw rod transmission, described
Slide plate is parallel with screw rod, and the slide plate is set on screw rod, and first fixed pulley is mounted on slide plate, first fixed pulley
Axis it is vertical with the axis of screw rod and intersect, the polished rod is parallel with screw rod, and the screw rod is arranged between two polished rods, institute
It states limited block and polished rod corresponds, one end of the polished rod is fixed on the inner wall of separate through-hole side of connecting box, described
Limited block is fixed on the other end of polished rod, and the maximum distance between the limited block and slide plate is less than the separate driving motor of screw rod
One end and slide plate between minimum range；
The testing agency includes the second fixed pulley, sliding block, drive rod, fixing pipe, seal disc, baroceptor and two
Support unit, the fixing pipe is parallel with screw rod, and the inner wall of the separate through-hole side of the fixing pipe and connecting box seals and consolidates
Fixed connection, the seal disc are arranged in fixing pipe, and the seal disc and fixing pipe are coaxially disposed, the diameter of the seal disc with
The internal diameter of fixing pipe is equal, and the seal disc is slidingly and sealingly connect with fixing pipe, and the baroceptor is arranged in seal disc
Separate through-hole side, the drive rod is arranged in the other side of seal disc, and the drive rod and fixing pipe are coaxially disposed, institute
The one end for stating drive rod is fixed on seal disc, and the sliding block is fixed on the other end of drive rod, the second fixed pulley setting
Axis in the side of the separate drive rod of sliding block, second fixed pulley is parallel with the axis of the first fixed pulley, and described first
The close through-hole one of maximum distance between fixed pulley and the close through-hole side of connecting box less than the second fixed pulley and connecting box
Minimum range between side, the fixing pipe are arranged between two support units, and the support unit is arranged on sliding block, institute
Support unit supports sliding block is stated along the axial movement of drive rod, the connecting box is interior to be equipped with PLC and antenna, the antenna, gas
Pressure sensor and driving motor are electrically connected with PLC.
Preferably, the support unit includes support rod, fixed block and bullet in order to realize support slipper mobile function
Spring, the support rod is parallel with drive rod, and the sliding block is set on support rod, and one end of the separate through-hole of the support rod is solid
It is scheduled on the inner wall of connecting box, the fixed block is fixed on the other end of support rod, and the separate logical of sliding block is arranged in the spring
The side in hole, the sliding block are connected by the inner wall of spring and connecting box, and the spring is in compressive state.
Preferably, in order to improve the frictional force between the first fixed pulley and the second fixed pulley and wirerope, described first
The wheel face of the wheel face of fixed pulley and the second fixed pulley is equipped with annular groove.
Preferably, being coated with lubricating oil on the screw rod to reduce the frictional force between screw rod and slide plate.
Preferably, in order to improve detection accuracy, be equipped with temperature sensor in the connecting box, the temperature sensor with
PLC electrical connection.
Preferably, the side of the separate through-hole of the connecting box is equipped with solar panels for energy conservation.
Preferably, in order to improve the driving force of driving motor, the driving motor is servo motor.
Preferably, the effect in order to realize alarm, set that there are two touch sensor, the sealings in the fixing pipe
Disk is arranged between two touch sensors, and the touch sensor is electrically connected with PLC.
Preferably, the connecting box is equipped with alarm lamp, and the alarm lamp is electrically connected with PLC in order to promote warning effect
It connects.
Preferably, being coated with stop-leak compound on the inner wall of the fixing pipe to improve leakproofness.
The invention has the advantages that the detection device with elasticity regulatory function for being used for drag-line bridge passes through detection
Mechanism realizes the function of detection wire rope tightness, and compared with existing testing agency, which passes through atmospheric pressure value meter
The elasticity of wirerope is calculated, smaller by such environmental effects, detection data precision is higher, moreover, also passes through adjusting machine
Structure realizes the function of adjusting wire rope tightness, and compared with existing regulating mechanism, the regulating mechanism structure is simple, and cost is more
It is low.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the detection device with elasticity regulatory function for drag-line bridge of the invention；
Fig. 2 is the cross-sectional view of the detection device with elasticity regulatory function for drag-line bridge of the invention；
Fig. 3 is the structure of the testing agency of the detection device with elasticity regulatory function for drag-line bridge of the invention
Schematic diagram；
Fig. 4 is the portion the A enlarged drawing of Fig. 3；
In figure: 1. connecting boxs, 2. slide plates, 3. first fixed pulleys, 4. driving motors, 5. screw rods, 6. polished rods, 7. limited blocks,
8. the second fixed pulley, 9. sliding blocks, 10. drive rods, 11. fixing pipes, 12. seal discs, 13. baroceptors, 14. support rods, 15.
Fixed block, 16. springs, 17. temperature sensors, 18. touch sensors, 19. alarm lamps, 20. solar panels.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs. 1-2, a kind of detection device with elasticity regulatory function for drag-line bridge, including connecting box 1,
The side of the connecting box 1 sets the through-hole distribution in a strip shape there are two through-hole, be equipped in the connecting box 1 testing agency and
Two regulating mechanisms, the testing agency are arranged between two through-holes, and the regulating mechanism and through-hole correspond；
Wirerope on drag-line bridge penetrates connecting box 1 by one of through-hole, then is pierced by from another through-hole, this
In, the effect that testing agency is arranged is to detect the elasticity of wirerope, and the effect that regulating mechanism is arranged is the pine for adjusting wirerope
Tightness.
As described in Fig. 2-4, the regulating mechanism includes 5, two slide plate 2, the first fixed pulley 3, driving motor 4, screw rod light
Bar 6 and two limited blocks 7, the driving motor 4 are fixed on the inner wall of separate through-hole side of connecting box 1, the driving electricity
Machine 4 and screw rod 5 are sequentially connected, and the slide plate 2 is parallel with screw rod 5, and the slide plate 2 is set on screw rod 5, first fixed pulley
3 are mounted on slide plate 2, and the axis of first fixed pulley 3 is vertical with the axis of screw rod 5 and intersects, the polished rod 6 and screw rod 5
In parallel, the screw rod 5 is arranged between two polished rods 6, and the limited block 7 is corresponded with polished rod 6, one end of the polished rod 6
It is fixed on the inner wall of separate through-hole side of connecting box 1, the limited block 7 is fixed on the other end of polished rod 6, the limited block
Minimum range between one end and slide plate 2 of the separate driving motor 4 that maximum distance between 7 and slide plate 2 is less than screw rod 5；
The testing agency includes the second fixed pulley 8, sliding block 9, drive rod 10, fixing pipe 11, seal disc 12, air pressure sensing
Device 13 and two support units, the fixing pipe 11 is parallel with screw rod 5, the separate through-hole one of the fixing pipe 11 and connecting box 1
The inner wall of side is sealed and is fixedly connected, and the seal disc 12 is arranged in fixing pipe 11, and the seal disc 12 and fixing pipe 11 are same
Axis setting, the diameter of the seal disc 12 is equal with the internal diameter of fixing pipe 11, the seal disc 12 and fixing pipe 11 sliding and close
The side of the separate through-hole of seal disc 12 is arranged in envelope connection, the baroceptor 13, and the setting of drive rod 10 is sealing
The other side of disk 12, the drive rod 10 are coaxially disposed with fixing pipe 11, and one end of the drive rod 10 is fixed on seal disc 12
On, the sliding block 9 is fixed on the other end of drive rod 10, and the separate drive rod 10 of sliding block 9 is arranged in second fixed pulley 8
Side, the axis of second fixed pulley 8 is parallel with the axis of the first fixed pulley 3, first fixed pulley 3 and connecting box 1
Maximum distance between through-hole side is less than the most narrow spacing between the second fixed pulley 8 and the close through-hole side of connecting box 1
From the fixing pipe 11 is arranged between two support units, and the support unit is arranged on sliding block 9, the support unit
For support slipper 9 along the axial movement of drive rod 10, the connecting box 1 is interior to be equipped with PLC and antenna, the antenna, air pressure sensing
Device 13 and driving motor 4 are electrically connected with PLC.
Wirerope bypass one of them first fixed pulley 3 after, further around cross the second fixed pulley 8, finally around another first
Fixed pulley 3 keeps wirerope S-shaped in connecting box 1, squeezes the second fixed pulley 8 by wirerope, sliding block 9 is made to drive drive rod
10 is mobile away from through-hole direction, and the mobile drive seal disc 12 of drive rod 10 is mobile, to make the air pressure in fixing pipe 11
Higher than ambient pressure, when wirerope is too loose or too tight, baroceptor 13 detects atmospheric pressure value beyond setting range and passes to
PLC, PLC control driving motor 4 and run, and rotate screw rod 5, make slide plate 2 in the supporting role of polished rod 6 by the rotation of screw rod 5
Lower movement, to adjust the elasticity of wirerope.
Preferably, the support unit includes support rod 14, fixed block in order to realize the mobile function of support slipper 9
15 and spring 16, the support rod 14 is parallel with drive rod 10, and the sliding block 9 is set on support rod 14, the support rod 14
One end of separate through-hole be fixed on the inner wall of connecting box 1, the fixed block 15 is fixed on the other end of support rod 14, described
The side of the separate through-hole of sliding block 9 is arranged in spring 16, and the sliding block 9 is connect by spring 16 with the inner wall of connecting box 1, described
Spring 16 is in compressive state.
When wirerope change is tight, wirerope squeezes second pulley, and support of the second pulley by sliding block 9 in support rod 14 is made
With lower to far from the movement of through-hole direction, spring 16 is set to continue to compress, when wirerope fluffs, by sliding block 9 in second spring 16
Elastic reaction under to mobile close to through-hole direction, achieved the effect that support slipper 9 is mobile.
Preferably, in order to improve the frictional force between the first fixed pulley 3 and the second fixed pulley 8 and wirerope, described
The wheel face of the wheel face of one fixed pulley 3 and the second fixed pulley 8 is equipped with annular groove.
The contact area between wirerope and the first fixed pulley 3 and the second fixed pulley 8 can be improved by annular groove, thus
Frictional force is improved, can also avoid wirerope from moving along the axial direction of first pulley, avoid skidding.
Preferably, being coated with lubricating oil on the screw rod 5 to reduce the frictional force between screw rod 5 and slide plate 2.
The effect of lubricating oil is the frictional force reduced between screw rod 5 and slide plate 2, improves the mobile fluency of slide plate 2.
Preferably, being equipped with temperature sensor 17, the temperature sensing in the connecting box 1 to improve detection accuracy
Device 17 is electrically connected with PLC.
The temperature in connecting box 1 is detected by temperature sensor 17 and transfers data to PLC, and PLC can be according to connection
Temperature in case 1 calculates the air pressure change value of 11 internal cause temperature of fixing pipe generation, and the temperature in connecting box 1 is avoided to influence air pressure
Sensor 13 detects atmospheric pressure value, improves detection accuracy.
Preferably, the side of the separate through-hole of the connecting box 1 is equipped with solar panels 20 for energy conservation.
Solar panels 20 can be absorbed light and carry out photovoltaic power generation, and device operation can be provided by generating electricity, and reach energy conservation
Effect.
Preferably, in order to improve the driving force of driving motor 4, the driving motor 4 is servo motor.
Servo motor anti-overload ability is strong, can bear the load for being three times in nominal torque, improve the driving of driving motor 4
Power.
Preferably, the effect in order to realize alarm, set that there are two touch sensors 18 in the fixing pipe 11, it is described
Seal disc 12 is arranged between two touch sensors 18, and the touch sensor 18 is electrically connected with PLC.
When seal disc 12 touches touch sensor 18 in moving process in fixing pipe 11, touch sensor 18
It detects signal and passes to PLC, PLC controls antenna and issues signal to dependent part, and relevant departments is reminded to take corresponding measure, real
The function of alarm is showed.
Preferably, in order to promote warning effect, the connecting box 1 is equipped with alarm lamp 19, the alarm lamp 19 and PLC
Electrical connection.
When touch sensor 18 detects signal and passes to PLC, PLC control alarm lamp 19 is lighted, and improves report
Alert effect.
Preferably, being coated with stop-leak compound on the inner wall of the fixing pipe 11 to improve leakproofness.
The effect of stop-leak compound is the gap reduced between fixing pipe 11 and seal disc 12, improves leakproofness.
The device application method:
Wirerope on drag-line bridge penetrates connecting box 1 by one of through-hole, and wirerope is first fixed around one of them
After pulley 3, further around the second fixed pulley 8 is crossed, another first fixed pulley 3 is then bypassed, is finally pierced by, makes from another through-hole
Wirerope is S-shaped in connecting box 1, squeezes the second fixed pulley 8 by wirerope, makes sliding block 9 in the supporting role of support rod 14
Lower drive drive rod 10 is mobile away from through-hole direction, and the mobile drive seal disc 12 of drive rod 10 is mobile, to make to fix
Air pressure hyperbaric environment air pressure in pipe 11, when wirerope is too loose or too tight, baroceptor 13 detects atmospheric pressure value beyond setting
Range simultaneously passes to PLC, and PLC controls driving motor 4 and runs, and rotates screw rod 5, makes slide plate 2 in polished rod by the rotation of screw rod 5
It is moved under 6 supporting role.
Here wirerope can be calculated by the atmospheric pressure value that baroceptor 13 detects to make the extruding of second spring 16
Firmly, so as to obtain the elasticity of wirerope, the function of detection wire rope tightness is realized, while passing through driving first
Pulley is mobile, realizes the function of adjusting wire rope tightness.
Compared with prior art, which passes through testing agency
The function of detection wire rope tightness is realized, compared with existing testing agency, which is calculated by atmospheric pressure value
The elasticity of wirerope, smaller by such environmental effects, detection data precision is higher, moreover, also passes through regulating mechanism reality
The function of adjusting wire rope tightness is showed, compared with existing regulating mechanism, the regulating mechanism structure is simple, and cost is lower.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of detection device with elasticity regulatory function for drag-line bridge, which is characterized in that including connecting box (1),
The side of the connecting box (1) is set there are two through-hole, the through-hole distribution in a strip shape, and the connecting box (1) is interior to be equipped with detection machine
Structure and two regulating mechanisms, the testing agency are arranged between two through-holes, and the regulating mechanism and through-hole correspond；
The regulating mechanism includes slide plate (2), the first fixed pulley (3), driving motor (4), screw rod (5), two polished rods (6) and two
A limited block (7), the driving motor (4) are fixed on the inner wall of separate through-hole side of connecting box (1), the driving motor
(4) it is sequentially connected with screw rod (5), the slide plate (2) is parallel with screw rod (5), and the slide plate (2) is set on screw rod (5), described
First fixed pulley (3) is mounted on slide plate (2), and the axis of first fixed pulley (3) is vertical with the axis of screw rod (5) and phase
Hand over, the polished rod (6) is parallel with screw rod (5), and the screw rod (5) is arranged between two polished rods (6), the limited block (7) and
Polished rod (6) corresponds, and one end of the polished rod (6) is fixed on the inner wall of separate through-hole side of connecting box (1), the limit
Position block (7) is fixed on the other end of polished rod (6), and the maximum distance between the limited block (7) and slide plate (2) is less than screw rod (5)
Separate driving motor (4) one end and slide plate (2) between minimum range；
The testing agency includes the second fixed pulley (8), sliding block (9), drive rod (10), fixing pipe (11), seal disc (12), gas
Pressure sensor (13) and two support units, the fixing pipe (11) is parallel with screw rod (5), the fixing pipe (11) and connecting box
(1) inner wall of separate through-hole side is sealed and is fixedly connected, and seal disc (12) setting is described close in fixing pipe (11)
Closing disk (12) and fixing pipe (11) are coaxially disposed, and the diameter of the seal disc (12) is equal with the internal diameter of fixing pipe (11), described
Seal disc (12) is slidingly and sealingly connect with fixing pipe (11), and the baroceptor (13) is arranged in the separate of seal disc (12)
The side of through-hole, the drive rod (10) are arranged in the other side of seal disc (12), the drive rod (10) and fixing pipe (11)
Coaxial arrangement, one end of the drive rod (10) are fixed on seal disc (12), and the sliding block (9) is fixed on drive rod (10)
The other end, second fixed pulley (8) are arranged in the side of the separate drive rod (10) of sliding block (9), second fixed pulley (8)
Axis it is parallel with the axis of the first fixed pulley (3), the close through-hole side of first fixed pulley (3) and connecting box (1) it
Between maximum distance less than the minimum range between the second fixed pulley (8) and the close through-hole side of connecting box (1), the fixation
It manages (11) to be arranged between two support units, the support unit is arranged on sliding block (9), the support unit supports sliding block
(9) along the axial movement of drive rod (10), the connecting box (1) is interior to be equipped with PLC and antenna, the antenna, baroceptor
(13) it is electrically connected with PLC with driving motor (4).
2. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
Stating support unit includes support rod (14), fixed block (15) and spring (16), and the support rod (14) is parallel with drive rod (10),
The sliding block (9) is set on support rod (14), and one end of the separate through-hole of the support rod (14) is fixed on connecting box (1)
On inner wall, the fixed block (15) is fixed on the other end of support rod (14), and the spring (16) is arranged in the separate of sliding block (9)
The side of through-hole, the sliding block (9) are connect by spring (16) with the inner wall of connecting box (1), and the spring (16) is in compression
State.
3. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
The wheel face of the wheel face and the second fixed pulley (8) of stating the first fixed pulley (3) is equipped with annular groove.
4. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
It states and is coated with lubricating oil on screw rod (5).
5. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
It states in connecting box (1) and is equipped with temperature sensor (17), the temperature sensor (17) is electrically connected with PLC.
6. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
The side for stating the separate through-hole of connecting box (1) is equipped with solar panels (20).
7. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
Stating driving motor (4) is servo motor.
8. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
It states and is set in fixing pipe (11) there are two touch sensor (18), the seal disc (12) is arranged in two touch sensors
(18) between, the touch sensor (18) is electrically connected with PLC.
9. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that institute
Connecting box (1) is stated equipped with alarm lamp (19), the alarm lamp (19) is electrically connected with PLC.
10. being used for the detection device with elasticity regulatory function of drag-line bridge as described in claim 1, which is characterized in that
Stop-leak compound is coated on the inner wall of the fixing pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075401.6A CN109781367B (en) | 2019-01-25 | 2019-01-25 | Detection device with tightness adjusting function for guyed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075401.6A CN109781367B (en) | 2019-01-25 | 2019-01-25 | Detection device with tightness adjusting function for guyed bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781367A true CN109781367A (en) | 2019-05-21 |
| CN109781367B CN109781367B (en) | 2020-12-11 |
Family
ID=66502626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075401.6A Active CN109781367B (en) | 2019-01-25 | 2019-01-25 | Detection device with tightness adjusting function for guyed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109781367B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571739A (en) * | 2019-09-11 | 2019-12-13 | 赵秀军 | safety type supporting device with adjusting function for power transmission line |
| CN111347726A (en) * | 2020-03-16 | 2020-06-30 | 南京俊达诚数控科技有限公司 | Convenient type impressed watermark equipment with limit function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090773A (en) * | 2013-01-31 | 2013-05-08 | 西安瑞通路桥科技有限责任公司 | Bridge loading test deflection testing instrument |
| CN107966229A (en) * | 2017-11-29 | 2018-04-27 | 苏州金钜松机电有限公司 | A kind of belt tightness degree test device of drawing machine |
| CN108518115A (en) * | 2018-04-11 | 2018-09-11 | 上海国动网络通信有限公司 | A kind of Guywire tower with automatic protection and regulatory function for open air |
| CN108756418A (en) * | 2018-06-06 | 2018-11-06 | 深圳市雷凌广通技术研发有限公司 | A kind of Guywire tower that stability is high |
-
2019
- 2019-01-25 CN CN201910075401.6A patent/CN109781367B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090773A (en) * | 2013-01-31 | 2013-05-08 | 西安瑞通路桥科技有限责任公司 | Bridge loading test deflection testing instrument |
| CN107966229A (en) * | 2017-11-29 | 2018-04-27 | 苏州金钜松机电有限公司 | A kind of belt tightness degree test device of drawing machine |
| CN108518115A (en) * | 2018-04-11 | 2018-09-11 | 上海国动网络通信有限公司 | A kind of Guywire tower with automatic protection and regulatory function for open air |
| CN108756418A (en) * | 2018-06-06 | 2018-11-06 | 深圳市雷凌广通技术研发有限公司 | A kind of Guywire tower that stability is high |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571739A (en) * | 2019-09-11 | 2019-12-13 | 赵秀军 | safety type supporting device with adjusting function for power transmission line |
| CN111347726A (en) * | 2020-03-16 | 2020-06-30 | 南京俊达诚数控科技有限公司 | Convenient type impressed watermark equipment with limit function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109781367B (en) | 2020-12-11 |
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