CN205538061U - Area fork earing pole suo li test and calbiration system - Google Patents
Area fork earing pole suo li test and calbiration system Download PDFInfo
- Publication number
- CN205538061U CN205538061U CN201620115736.8U CN201620115736U CN205538061U CN 205538061 U CN205538061 U CN 205538061U CN 201620115736 U CN201620115736 U CN 201620115736U CN 205538061 U CN205538061 U CN 205538061U
- Authority
- CN
- China
- Prior art keywords
- earing
- fork
- bar
- screw rod
- bearing plate
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model relates to an area fork earing pole suo li test and calbiration system, it includes the mounting bracket, the mounting bracket includes the base, fixes bearing plate on the base, fork arm connecting device: including connecting screw rod, connecting screw rod passes the bearing plate is fixed by coupling nut, connecting screw rod's terminal fixed one fork ear connecting piece, fork ear connecting piece is used for being connected with the fork ear of area fork earing pole, pressure sensor: fix on the bearing plate by connecting screw rod and coupling nut, its output of vibration frequency detection device is connected with the cable body section of area fork earing pole, torque spanner: install on the adjusting sleeve of area fork earing pole. The utility model discloses directly utilize pressure sensor to carry out the suo li calibration, the structure is light, easy operation, test are quick, is particularly useful for area fork earing pole suoli test and calibration.
Description
Technical field
This utility model relates to the cable tension test technical field of rope bar, is specifically related to a kind of band fork earing bar cable tension test and calibration system.
Background technology
In prior art, bridge cable bar is as the main load parts of bridge, and the purpose of cable tension test is to understand structure in depth, is relatively accurately understood the virtual condition of Suo Li by cable tension test, thus analytical structure internal force whether off-design state.
What on-site measurement Suo Li was widely used in testing at the scene has: (1) Pressure gauge algoscopy；(2) determination of pressure sensor method；(3) frequency of vibration method.Wherein, Pressure gauge algoscopy is only applicable to just at the drag-line cable tension test of stretch-draw, and the Cable power being difficult to put stretch-draw in place carries out repetition measurement.Pressure transducer method of testing measuring accuracy is higher, is generally adapted just at the drag-line cable tension test of stretch-draw.On-the-spot test is most widely used is that suspender force is drawn in the test of frequency of vibration method.Frequency of vibration method is to utilize Environmental Random Vibration to measure as the vibration source of works exciting and the vibration characteristics of analytical structure thing and then the method for obtaining Suo Li.When parameters such as known rope length, two ends restraint condition, distributed masses, being tied up by highly sensitive vibration pickup is drawing on suspension rod, vibration signal under the ambient vibration excitation of pickup drag-line, after filtering, signal amplifies, A/D changes and spectrum analysis can measure the natural frequency of vibration drawing suspension rod, and then is obtained Suo Li by the relation between Suo Li and the drag-line natural frequency of vibration.
Frequency of vibration method accurate calibration tape it is critical only that of earing bar Suo Li of fork determines the practical factor corrections to empirical equation such as drag-line effective length, and two ends restraint condition.Owing to band fork earing bar is connected directly between on the steel fork ear of agent structure, regulate Suo Li by the regulating sleeve of rope bar, it is impossible to be mounted directly pressure transducer and carry out Suo Li calibration, accordingly, it would be desirable to design a kind of band fork earing bar cable tension test and calibration system.
Utility model content
The purpose of this utility model is to overcome the defect of above-mentioned prior art, a kind of band fork earing bar cable tension test and calibration system are provided, this system directly utilizes pressure transducer and carries out Suo Li calibration, portable construction, simple to operate, test quickly, are particularly suited for band fork earing bar cable tension test and calibration.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of band fork earing bar cable tension test and calibration system, it is characterised in that include,
Installing rack: described installing rack includes base, the bearing plate being fixed on described base；
Fork arm attachment means: including connecting screw rod, described connection screw rod through described bearing plate and is fixed by attaching nut, and the end of described connection screw rod fixes a fork ear connector, described fork ear connector is for being connected with the fork ear of band fork earing bar；
Pressure transducer: be fixed on bearing plate by connection screw rod and attaching nut；
Frequency of vibration detection device: being used for detecting band fork earing vibration of bar frequency, its outfan is connected with the cable body section of band fork earing bar；
Torque spanner: be arranged on the regulating sleeve of band fork earing bar, for regulating Suo Li and the moment of torsion of regulating sleeve of band fork earing bar.
Preferably, described bearing plate is vertical being fixed on base, and described installing rack also includes fixing connection bearing plate and the diagonal brace of base.
Preferably, described base is H profile steel, and described installing rack also includes that bolt is fixing to be connected by installing for the backing plate being located at base end face, described base and backing plate.
Preferably, described frequency of vibration detection device is vibration pickup.
Preferably, described connection screw rod first connects a thrust bearing, more fixing with pressure transducer is connected.
Compared with prior art, the beneficial effects of the utility model are:
This utility model has been mounted directly pressure transducer, and when application, pressure transducer can directly measure the Suo Li of band fork earing bar, convenient test；By regulation attaching nut, band fork earing bar can be regulated and be in different Suo Li states, the rope bar flutter rate under Suo Li state can be detected by frequency of vibration detection device, the moment of torsion of band fork earing bar can be detected by torque spanner, thus quick and precisely derive the natural frequency of vibration and actual Suo Li, moment of torsion and the corresponding relation of actual Suo Li of band fork earing bar, reach quickly calibrated, the purpose of detection.
Accompanying drawing explanation
Fig. 1 is front view during application of the present utility model；
Fig. 2 is top view during application of the present utility model.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further.
As shown in Figure 1 and Figure 2, a kind of band fork earing bar cable tension test and calibration system, it includes that installing rack, fork arm attachment means, pressure transducer 301, frequency of vibration detect device 401, torque spanner 501.In this utility model, described band fork earing is to include fork ear 604, regulating sleeve 603, anchor head 602 and the cable body section 601 being sequentially connected with.Described installing rack includes base 101, the bearing plate 105 being fixed on described base 101.Described fork arm attachment means includes connecting screw rod 202, and described connection screw rod 202 through described bearing plate 105 and is fixed by attaching nut 203.The end of described connection screw rod 202 fixes a fork ear connector 201, and described fork ear connector 201 is for being connected with the fork ear 604 of band fork earing bar.Described pressure transducer 301 is fixed on bearing plate 105 by connection screw rod 202 and attaching nut 203.Described frequency of vibration detection device 401 is used for detecting band fork earing vibration of bar frequency, and its outfan is connected with the cable body section 601 of band fork earing bar.Described torque spanner 501 is arranged on the regulating sleeve of band fork earing bar, for regulating Suo Li and the moment of torsion of regulating sleeve 603 of band fork earing bar.
As the further improvement project of this utility model, described bearing plate 105 is fixed on base 101 for vertical, and described installing rack also includes fixing connection bearing plate 105 and the diagonal brace 102 of base 101.
As the further improvement project of this utility model, described base 101 is H profile steel, and described installing rack also includes that bolt 103 is fixing to be connected by installing for the backing plate 104 being located at base 101 bottom surface, described base 101 and backing plate 104.
As the further improvement project of this utility model, described frequency of vibration detection device 401 is vibration pickup, preferably with high accuracy vibration pickup.
As the further improvement project of this utility model, described connection screw rod 202 first connects a thrust bearing 204, more fixing with pressure transducer 301 is connected.
For a person skilled in the art, can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to this utility model scope of the claims.
Claims (5)
1. a band fork earing bar cable tension test and calibration system, it is characterised in that include,
Installing rack: described installing rack includes base, the bearing plate being fixed on described base；
Fork arm attachment means: including connecting screw rod, described connection screw rod through described bearing plate and is fixed by attaching nut, and the end of described connection screw rod fixes a fork ear connector, described fork ear connector is for being connected with the fork ear of band fork earing bar；
Pressure transducer: be fixed on bearing plate by connection screw rod and attaching nut；
Frequency of vibration detection device: being used for detecting band fork earing vibration of bar frequency, its outfan is connected with the cable body section of band fork earing bar；
Torque spanner: be arranged on the regulating sleeve of band fork earing bar, for regulating Suo Li and the moment of torsion of regulating sleeve of band fork earing bar.
2. band fork earing bar cable tension test as claimed in claim 1 and calibration system, it is characterised in that: described bearing plate is vertical being fixed on base, and described installing rack also includes fixing connection bearing plate and the diagonal brace of base.
3. band fork earing bar cable tension test as claimed in claim 1 and calibration system, it is characterised in that: described base is H profile steel, and described installing rack also includes that bolt is fixing to be connected by installing for the backing plate being located at base end face, described base and backing plate.
4. band fork earing bar cable tension test as claimed in claim 1 and calibration system, it is characterised in that: frequency of vibration detection device is vibration pickup.
5. band fork earing bar cable tension test as claimed in claim 4 and calibration system, it is characterised in that: described connection screw rod first connects a thrust bearing, more fixing with pressure transducer is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115736.8U CN205538061U (en) | 2016-02-04 | 2016-02-04 | Area fork earing pole suo li test and calbiration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115736.8U CN205538061U (en) | 2016-02-04 | 2016-02-04 | Area fork earing pole suo li test and calbiration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205538061U true CN205538061U (en) | 2016-08-31 |
Family
ID=56776263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620115736.8U Active CN205538061U (en) | 2016-02-04 | 2016-02-04 | Area fork earing pole suo li test and calbiration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205538061U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489882A (en) * | 2018-11-22 | 2019-03-19 | 长安大学 | Big-size model test is anchored with cable-stayed bridge cable and cable tension test device and method |
| CN109724740A (en) * | 2019-01-12 | 2019-05-07 | 尚廷东 | A kind of drag-line bridge cable force measurement device |
| CN111089715A (en) * | 2020-01-10 | 2020-05-01 | 河海大学 | Bridge inhaul cable force detection device and detection method |
-
2016
- 2016-02-04 CN CN201620115736.8U patent/CN205538061U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489882A (en) * | 2018-11-22 | 2019-03-19 | 长安大学 | Big-size model test is anchored with cable-stayed bridge cable and cable tension test device and method |
| CN109724740A (en) * | 2019-01-12 | 2019-05-07 | 尚廷东 | A kind of drag-line bridge cable force measurement device |
| CN109724740B (en) * | 2019-01-12 | 2024-04-16 | 尚廷东 | Cable force measuring device for inhaul cable bridge |
| CN111089715A (en) * | 2020-01-10 | 2020-05-01 | 河海大学 | Bridge inhaul cable force detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205538061U (en) | Area fork earing pole suo li test and calbiration system | |
| CN109723910B (en) | Tool for quantitatively installing, detecting and adjusting support and hanger and method for measuring load of support and hanger by using tool | |
| CN201417187Y (en) | Rod-cable force measurer | |
| EP2159417A3 (en) | Method and apparatus for load measurement in a wind turbine | |
| CN203349779U (en) | Strain-type displacement sensor and elevator brake having same | |
| CN202210007U (en) | Experiment device for measuring thread pretightening torque coefficients | |
| CN204202812U (en) | The caliberating device of simple and easy force cell | |
| CN206248252U (en) | A kind of anchor pole axial direction dynamometer | |
| CN202383021U (en) | Device for measuring tension and compression elasticity modulus of material | |
| CN202599587U (en) | Clamping type belt tension detector | |
| CN210741740U (en) | Calibration device for torque sensor | |
| CN207850594U (en) | Steel chord type anchor ergometer calibrating installation | |
| CN209946078U (en) | Calibration device of ultrasonic detection probe | |
| RU2431123C1 (en) | Tension, reference, working, hydraulic machine | |
| CN201421329Y (en) | Displacement transducer calibration device | |
| CN204043996U (en) | Concrete in uniaxial tension testing machine | |
| CN203100972U (en) | Pre-embedded bolt axial force sensor calibrating system | |
| CN206709733U (en) | Pattern foundation pit supporting structure anchor rod drawing tests displacement measuring device | |
| CN203024916U (en) | Connecting clamping force and pulling-out force testing device for loading force-bearing connecting product | |
| CN204882248U (en) | Back anchor assembly resistance to plucking performance test device | |
| CN206019890U (en) | Tensioning instrument is used in screw rod detection | |
| CN209512823U (en) | A kind of reusable bolt load sensor | |
| CN109238517B (en) | Detection device and detection method for axial force of anchor rod | |
| CN205228695U (en) | A small amount of cheng zhangli testing arrangement | |
| CN211121764U (en) | Calibration force application device for power indicator force sensor of shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 1-3 / F, 1161 Panyu Avenue North, Donghuan street, Panyu District, Guangzhou, Guangdong 510000 Patentee after: GUANGDONG SHENGXIANG TRAFFIC ENGINEERING DETECTION Co.,Ltd. Country or region after: China Patentee after: Guangdong Heli Transportation Maintenance Technology Co.,Ltd. Address before: 1-3 / F, 1161 Panyu Avenue North, Donghuan street, Panyu District, Guangzhou, Guangdong 510000 Patentee before: GUANGDONG SHENGXIANG TRAFFIC ENGINEERING DETECTION Co.,Ltd. Country or region before: China Patentee before: GUANGDONG HELI CIVIL ENGINEERING Ltd. |