CN208505511U - A kind of transmission and distribution line stringing instrument - Google Patents
A kind of transmission and distribution line stringing instrument Download PDFInfo
- Publication number
- CN208505511U CN208505511U CN201821273898.XU CN201821273898U CN208505511U CN 208505511 U CN208505511 U CN 208505511U CN 201821273898 U CN201821273898 U CN 201821273898U CN 208505511 U CN208505511 U CN 208505511U
- Authority
- CN
- China
- Prior art keywords
- gear
- stringing
- pulling force
- transmission
- distribution line
- 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
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model relates to field of electricity construction, in particular to a kind of transmission and distribution line stringing instrument.A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology includes location hook (1), tightening gear (2), handle (3), drag hook (4), the location hook (1) is connected to tightening gear (2) one end, drag hook (4) is connected to tightening gear (2) other end by twisted wire, and the handle (3) drives tightening gear (2) rotation；The tension sensor (5) of pulling force suffered by measurement and positioning hook (1) is provided on the stringing instrument ontology, tension sensor (5) is connected with dynamic resistance strain instrument (6), and pulling force display module (7) are provided on dynamic resistance strain instrument (6).Electric wire state instructs when the utility model can tense electric wire, to avoid electric wire too tight or too loose.
Description
Technical field
The utility model relates to field of electricity construction, in particular to a kind of transmission and distribution line stringing instrument.
Background technique
The important parameter that overhead transmission line is led, ground wire arc sag is power generation.It leads at present, ground wire stringing arc sag control
Mode processed mainly has:
1. theodolite stringing method, by theodolite frame along on line direction, calculating in advance is led, ground wire standard sag value is corresponding
Tangential angle, theodolite is first adjusted to respective angles, when lead, ground wire and theodolite crosshair it is tangent, survey crew notice
Wire stringing operation personnel, which cross, to be crimped.
2. observation board stringing method: stringing observation shelves both ends shaft tower on bind observation board, when lead, ground wire tightening and observation board
When line is tangent, Observation personnel is informed that wire stringing operation personnel cross and is crimped.
3. suspension insulator pendency observation: continuous shelves removable parts lead, ground wire when, suspension insulator wire clamp is only
Coaster, when stringing, when the straight line pole insulator chain closed on is in overhang, observer notifies operating personnel that can cross
Crimping.
Three of the above class method is for the transmission line of electricity stringing under different condition, and theodolite stringing method is mainly used for big shelves
Be only used for small span stringing away from, observation board stringing method, suspension insulator pendency observation is only led with continuous shelves removable parts,
When line.The above method requires that visibility is greater than observation scope, observation point and is measured between point and answers intervisibility.By weather, stringing
The factors such as time, place influence, for example: foggy weather, night work, in virgin forest can not intervisibility result in can not operation or
It leads, ground wire stringing arc sag mistake.Lead, bank mistake transmission line of electricity Frequent trip, broken string, the great electric power such as tower that falls can be caused raw
Production event.
Utility model content
The purpose of this utility model is to provide a kind of transmission and distribution line stringing instrument, to solve existing stringing instrument when in use
Whether determining problem is difficult in place for stringing degree.
To achieve the above object, the utility model provides the following technical solutions:
A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology include location hook, tightening gear,
Handle, drag hook, the location hook are connected to tightening gear one end, and drag hook is connected to the tightening gear other end by twisted wire, described
Handle drives tightening gear rotation；The tension sensor of pulling force suffered by measurement and positioning hook is provided on the stringing instrument ontology,
Tension sensor is connected with dynamic resistance strain instrument, and pulling force display module is provided on dynamic resistance strain instrument.
Stringing instrument ontology is the prior art, and for location hook for fixing stringing instrument ontology, drag hook involves the electric wire that need to be tensed,
Swinging handle drives tightening gear rotation, and tightening gear pulls drag hook to carry out stringing by twisted wire.On stringing instrument ontology
The tension sensor of pulling force suffered by measurement and positioning hook is set, and tension sensor is to the tension measurement of pulling force suffered by location hook, indirectly
Pulling force suffered by electric wire is measured, tension sensor is shown measured value on the display module by dynamic resistance strain instrument, to electric wire
Electric wire state is instructed when tension, to avoid electric wire too tight or too loose.
Preferably, the tension sensor is pillar electric resistance sensor, between the location hook and tightening gear
It is connected by pillar electric resistance sensor.Pillar electric resistance sensor ontology is the prior art, generally forms favour using resistance strain gage
This electric bridge goes out stress suffered by sensor by detecting elastomer strain measurement, is suitable for the application application environment, location hook
It is connect between tightening gear by pillar electric resistance sensor, can directly measure pulling force suffered by location hook.
It is provided with input module preferably, being sequentially connected on the dynamic resistance strain instrument, surveys tension sensor
Magnitude and the single-chip microcontroller of input module input value comparison, pulling force reminding module.Input module can input a standard value, to electricity
In line cinching process, single-chip microcontroller in time compares tension sensor measured value and input module input value, when tension sensor is surveyed
When magnitude is higher than input module input value, pulling force reminding module is reminded.
Preferably, the pulling force reminding module includes signal conversion module, signal lamp relay mould group, four signals
Lamp, the dynamic resistance strain instrument signal connection signal conversion module, signal conversion module connection signal lamp relay mould group, four
A signal lamp is connect with signal lamp relay mould group respectively.Single-chip microcontroller is transferred to signal lamp relay mould by conversion module signal
Group, the unlatching that signal lamp relay mould group controls this four signal lamps are reminded, and work whens low visibility, night etc. is adapted to
Make environment, has a wide range of application.
Preferably, the pulling force reminding module further includes having alarm, alarm passes through alarm relay mould group
It is connect with signal conversion module.When pulling force is higher than input value, alarm is alarmed, and multimode reminds operator, is avoided
Operator does not see signal lamp when strong light.
Preferably, the junction of the pillar electric resistance sensor and tightening gear, tightens and is provided with pipe sleeve on gear, cover
In outside pillar electric resistance sensor.Pipe sleeve araeosystyle electric resistance sensor plays the role of position limitation protection, and being allowed to can only be in the axial direction
It stretches, prolongs the service life, while improving measurement accuracy.
Preferably, be also connected with chain between the location hook and tightening gear, chain pass through respectively elastomer with
Location hook and tightening gear connection, chain length are greater than pillar electric resistance sensor length.Chain plays the role of double protection, puts down
Shi Suolian is relaxed state, if pillar electric resistance sensor is damaged when being broken, chain can play a role, and prevents electric wire moment
It is shot back and operator is damaged.It is broken in a flash in pillar electric resistance sensor, screen resilience is very big, and chain moment is tight
Taut, there are the risk of fracture, chain passes through elastomer respectively and connect with location hook and tightening gear, plays the role of buffering, keeps away
Exempt from accident.
Compared with prior art, the utility model can at least generate following one kind the utility model has the advantages that the utility model can be to electricity
Electric wire state is instructed when line tenses, to avoid electric wire too tight or too loose；The utility model is suitable for present apparatus application ring
Border is easy to use；The utility model can input input value, and pulling force reminding module can be reminded in cinching process, and adaptation can be shown in
Working environment whens low, night etc. is spent, is had a wide range of application；The utility model also sets up alarm and alarms, and avoids strong light
When operator do not see signal lamp；The utility model setting pipe sleeve araeosystyle electric resistance sensor plays the role of position limitation protection,
Prolong the service life, while improving measurement accuracy；The utility model setting chain plays the role of double protection, prevents pillar electric
Resistance sensor is damaged fracture, and electric wire moment, which is shot back, damages operator.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model dynamic resistance strain instrument structural schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1, Fig. 2 shows the structures of such transmission and distribution line stringing instrument, enumerate several embodiments below with reference to legend.
Embodiment 1:
A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology include location hook 1, tightening gear
2, handle 3, drag hook 4, the location hook 1 are connected to tightening 2 one end of gear by pillar electric resistance sensor, and drag hook 4 passes through twisted wire
It is connected to tightening 2 other end of gear, the handle 3 drives tightening gear 2 to rotate；Pillar electric resistance sensor is connected with dynamic electric resistor
Deformeter 6 is provided with pulling force display module 7 on dynamic resistance strain instrument 6.
Stringing instrument ontology is the prior art, and for location hook 1 for fixing stringing instrument ontology, drag hook 4 involves the electricity that need to be tensed
Line, swinging handle 3 drive tightening gear 2 to rotate, and tightening gear 2 pulls drag hook 4 to carry out stringing by twisted wire.Pillar resistance
Sensor measures pulling force suffered by electric wire to the tension measurement of pulling force suffered by location hook 1 indirectly, and pillar electric resistance sensor passes through dynamic
Measured value is shown on display module 7 that electric wire state instructs when tensing to electric wire, to avoid electricity by resistance strain gauge 6
Line is too tight or too loose.
Embodiment 2:
A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology include location hook 1, tightening gear
2, handle 3, drag hook 4, the location hook 1 are connected to tightening 2 one end of gear by pillar electric resistance sensor, and drag hook 4 passes through twisted wire
It is connected to tightening 2 other end of gear, the handle 3 drives tightening gear 2 to rotate；Pillar electric resistance sensor is connected with dynamic electric resistor
Deformeter 6 is provided with pulling force display module 7 on dynamic resistance strain instrument 6, is also sequentially connected setting on dynamic resistance strain instrument 6
There are input module 8, the single-chip microcontroller that pillar electric resistance sensor measured value and 8 input value of input module are compared, pulling force reminding module
9, pulling force reminding module 9 includes signal conversion module, signal lamp relay mould group, four signal lamps, and the single-chip microcomputer signal connects
Connect signal conversion module, signal conversion module connection signal lamp relay mould group, four signal lamps respectively with signal lamp relay
The connection of mould group.
Stringing instrument ontology is the prior art, and for location hook 1 for fixing stringing instrument ontology, drag hook 4 involves the electricity that need to be tensed
Line, swinging handle 3 drive tightening gear 2 to rotate, and tightening gear 2 pulls drag hook 4 to carry out stringing by twisted wire.Pillar resistance
Sensor measures pulling force suffered by electric wire to the tension measurement of pulling force suffered by location hook 1 indirectly, and pillar electric resistance sensor passes through dynamic
Resistance strain gauge 6 shows measured value on display module 7.First signal lamp lights after normal stress, when stringing tension reaches
Second signal lamp lights when to prompting value, and when stringing tension reaches input value, third signal lamp is lighted, when stringing tension
The 4th signal lamp lights when reaching pillar electric resistance sensor measurement tolerance limit, and electric wire state refers to when tensing to electric wire
It leads, to avoid electric wire too tight or too loose.
Embodiment 3:
A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology include location hook 1, tightening gear
2, handle 3, drag hook 4, the location hook 1 are connected to tightening 2 one end of gear by pillar electric resistance sensor, and drag hook 4 passes through twisted wire
It is connected to tightening 2 other end of gear, the handle 3 drives tightening gear 2 to rotate；Pillar electric resistance sensor is connected with dynamic electric resistor
Deformeter 6 is provided with pulling force display module 7 on dynamic resistance strain instrument 6, is also sequentially connected setting on dynamic resistance strain instrument 6
There are input module 8, the single-chip microcontroller that pillar electric resistance sensor measured value and 8 input value of input module are compared, pulling force reminding module
9, pulling force reminding module 9 includes signal conversion module, signal lamp relay mould group, four signal lamps, and the single-chip microcomputer signal connects
Connect signal conversion module, signal conversion module connection signal lamp relay mould group, four signal lamps respectively with signal lamp relay
The connection of mould group.Pulling force reminding module 9 further includes having alarm, and alarm passes through alarm relay mould group and signal conversion module
Connection.
Stringing instrument ontology is the prior art, and for location hook 1 for fixing stringing instrument ontology, drag hook 4 involves the electricity that need to be tensed
Line, swinging handle 3 drive tightening gear 2 to rotate, and tightening gear 2 pulls drag hook 4 to carry out stringing by twisted wire.Pillar resistance
Sensor measures pulling force suffered by electric wire to the tension measurement of pulling force suffered by location hook 1 indirectly, and pillar electric resistance sensor passes through dynamic
Resistance strain gauge 6 shows measured value on display module 7.First signal lamp lights after normal stress, when stringing tension reaches
Second signal lamp lights when to prompting value, and when stringing tension reaches input value, third signal lamp is lighted, while alarm
Alarm, when stringing tension reaches pillar electric resistance sensor measurement tolerance limit, the 4th signal lamp is lighted, when tensing to electric wire
Electric wire state is instructed, to avoid electric wire too tight or too loose.
Embodiment 4:
A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology include location hook 1, tightening gear
2, handle 3, drag hook 4, the location hook 1 are connected to tightening 2 one end of gear by pillar electric resistance sensor, tighten and set on gear 2
It is equipped with pipe sleeve, is placed on outside pillar electric resistance sensor, pipe sleeve araeosystyle electric resistance sensor plays the role of position limitation protection, and being allowed to can only
It stretches, prolongs the service life in the axial direction, while improving measurement accuracy.Drag hook 4 by twisted wire be connected to tightening gear 2 it is another
End, the handle 3 drive tightening gear 2 to rotate；Pillar electric resistance sensor is connected with dynamic resistance strain instrument 6, and dynamic electric resistor is answered
Become on instrument 6 and be provided with pulling force display module 7, is also sequentially connected on dynamic resistance strain instrument 6 and is provided with input module 8, by pillar
Electric resistance sensor measured value and the single-chip microcontroller of 8 input value of input module comparison, pulling force reminding module 9, pulling force reminding module 9 include
Signal conversion module, signal lamp relay mould group, four signal lamps, the single-chip microcomputer signal connection signal conversion module, signal
Conversion module connection signal lamp relay mould group, four signal lamps are connect with signal lamp relay mould group respectively.Pulling force reminds mould
Block 9 further includes having alarm, and alarm is connect by alarm relay mould group with signal conversion module.
Stringing instrument ontology is the prior art, and for location hook 1 for fixing stringing instrument ontology, drag hook 4 involves the electricity that need to be tensed
Line, swinging handle 3 drive tightening gear 2 to rotate, and tightening gear 2 pulls drag hook 4 to carry out stringing by twisted wire.Pillar resistance
Sensor measures pulling force suffered by electric wire to the tension measurement of pulling force suffered by location hook 1 indirectly, and pillar electric resistance sensor passes through dynamic
Resistance strain gauge 6 shows measured value on display module 7.First signal lamp lights after normal stress, when stringing tension reaches
Second signal lamp lights when to prompting value, and when stringing tension reaches input value, third signal lamp is lighted, while alarm
Alarm, when stringing tension reaches pillar electric resistance sensor measurement tolerance limit, the 4th signal lamp is lighted, when tensing to electric wire
Electric wire state is instructed, to avoid electric wire too tight or too loose.
Optimum embodiment:
A kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology include location hook 1, tightening gear
2, handle 3, drag hook 4, the location hook 1 are connected to tightening 2 one end of gear by pillar electric resistance sensor, tighten and set on gear 2
It is equipped with pipe sleeve, is placed on outside pillar electric resistance sensor, pipe sleeve araeosystyle electric resistance sensor plays the role of position limitation protection, and being allowed to can only
It stretches, prolongs the service life in the axial direction, while improving measurement accuracy.Lock is also connected between location hook 1 and tightening gear 2
Chain 10, chain 10 are connect by elastomer with location hook 1 and tightening gear 2 respectively, and 10 length of chain is sensed greater than pillar resistance
Device length.Chain 10 plays the role of double protection, and usually chain 10 is relaxed state, if pillar electric resistance sensor damages
When bad fracture, chain 10 can play a role, and prevent electric wire moment to be shot back and damage to operator.It is sensed in pillar resistance
Device is broken in a flash, and screen resilience is very big, and 10 moment of chain is tight, and there are the risk of fracture, chain 10 passes through elastomer respectively
It is connect with location hook 1 and tightening gear 2, plays the role of buffering, avoid accident.Drag hook 4 is connected to tightening gear 2 by twisted wire
The other end, the handle 3 drive tightening gear 2 to rotate；Pillar electric resistance sensor is connected with dynamic resistance strain instrument 6, dynamic electric
It is provided with pulling force display module 7 on resistance deformeter 6, is also sequentially connected on dynamic resistance strain instrument 6 and is provided with input module 8, incites somebody to action
Pillar electric resistance sensor measured value and the single-chip microcontroller of 8 input value of input module comparison, pulling force reminding module 9, pulling force reminding module 9
Including signal conversion module, signal lamp relay mould group, four signal lamps, the single-chip microcomputer signal connection signal conversion module,
Signal conversion module connection signal lamp relay mould group, four signal lamps are connect with signal lamp relay mould group respectively.Pulling force mentions
Module 9 of waking up further includes having alarm, and alarm is connect by alarm relay mould group with signal conversion module.
Stringing instrument ontology is the prior art, and for location hook 1 for fixing stringing instrument ontology, drag hook 4 involves the electricity that need to be tensed
Line, swinging handle 3 drive tightening gear 2 to rotate, and tightening gear 2 pulls drag hook 4 to carry out stringing by twisted wire.Pillar resistance
Sensor measures pulling force suffered by electric wire to the tension measurement of pulling force suffered by location hook 1 indirectly, and pillar electric resistance sensor passes through dynamic
Resistance strain gauge 6 shows measured value on display module 7.First signal lamp lights after normal stress, when stringing tension reaches
Second signal lamp lights when to prompting value, and when stringing tension reaches input value, third signal lamp is lighted, while alarm
Alarm, when stringing tension reaches pillar electric resistance sensor measurement tolerance limit, the 4th signal lamp is lighted, when tensing to electric wire
Electric wire state is instructed, to avoid electric wire too tight or too loose.
Multiple explanatory embodiments spoken of in the present specification refer to the specific structure packet for combining embodiment description
It includes at least one embodiment of the application generality description.It is not certain that statement of the same race, which occur, in multiple places in the description
Refer to the same embodiment.Furthermore, it is understood that is advocated is to combine when describing a structure in conjunction with any one embodiment
Other embodiments realize that this structure is fallen in the scope of the utility model.
Claims (7)
1. a kind of transmission and distribution line stringing instrument, including stringing instrument ontology, the stringing instrument ontology includes location hook (1), tightening gear
(2), handle (3), drag hook (4), the location hook (1) are connected to tightening gear (2) one end, and drag hook (4) is connected to by twisted wire
Gear (2) other end is tightened, the handle (3) drives tightening gear (2) rotation；It is characterized by: the stringing instrument ontology
On be provided with the tension sensor (5) of pulling force suffered by measurement and positioning hook (1), tension sensor (5) is connected with dynamic electric resistor strain
Instrument (6) is provided with pulling force display module (7) on dynamic resistance strain instrument (6).
2. a kind of transmission and distribution line stringing instrument according to claim 1, it is characterised in that: the tension sensor (5) is
Pillar electric resistance sensor is connect between the location hook (1) and tightening gear (2) by pillar electric resistance sensor.
3. a kind of transmission and distribution line stringing instrument according to claim 1 or 2, it is characterised in that: the dynamic electric resistor strain
It is sequentially connected on instrument (6) and is provided with input module (8), compare tension sensor (5) measured value and input module (8) input value
Single-chip microcontroller, pulling force reminding module (9).
4. a kind of transmission and distribution line stringing instrument according to claim 3, it is characterised in that: the pulling force reminding module (9)
Including signal conversion module, signal lamp relay mould group, four signal lamps, the single-chip microcomputer signal connection signal conversion module,
Signal conversion module connection signal lamp relay mould group, four signal lamps are connect with signal lamp relay mould group respectively.
5. a kind of transmission and distribution line stringing instrument according to claim 4, it is characterised in that: the pulling force reminding module (9)
It further include having alarm, alarm is connect by alarm relay mould group with signal conversion module.
6. a kind of transmission and distribution line stringing instrument according to claim 2, it is characterised in that: the pillar electric resistance sensor and receipts
The junction of tight gear (2) tightens and is provided with pipe sleeve on gear (2), is placed on outside pillar electric resistance sensor.
7. a kind of transmission and distribution line stringing instrument according to claim 2, it is characterised in that: the location hook (1) and tightening
It is also connected between gear (2) chain (10), chain (10) is connected by elastomer and location hook (1) and tightening gear (2) respectively
It connects, chain (10) length is greater than pillar electric resistance sensor length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273898.XU CN208505511U (en) | 2018-08-08 | 2018-08-08 | A kind of transmission and distribution line stringing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273898.XU CN208505511U (en) | 2018-08-08 | 2018-08-08 | A kind of transmission and distribution line stringing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208505511U true CN208505511U (en) | 2019-02-15 |
Family
ID=65300271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821273898.XU Active CN208505511U (en) | 2018-08-08 | 2018-08-08 | A kind of transmission and distribution line stringing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208505511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060215A (en) * | 2018-08-08 | 2018-12-21 | 云南电网有限责任公司昆明供电局 | A kind of transmission and distribution line stringing instrument |
-
2018
- 2018-08-08 CN CN201821273898.XU patent/CN208505511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060215A (en) * | 2018-08-08 | 2018-12-21 | 云南电网有限责任公司昆明供电局 | A kind of transmission and distribution line stringing instrument |
| CN109060215B (en) * | 2018-08-08 | 2024-03-01 | 云南电网有限责任公司昆明供电局 | Line tightening instrument for power transmission and distribution line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109060215A (en) | A kind of transmission and distribution line stringing instrument | |
| JP5397767B2 (en) | Structure deterioration monitoring method and structure deterioration monitoring system | |
| CN109489882B (en) | Cable-stayed bridge cable anchoring and cable force testing device and method for large-size model test | |
| CN109385956B (en) | Intelligent suspender or inhaul cable structure with built-in extension sensor for monitoring stress | |
| CN208505511U (en) | A kind of transmission and distribution line stringing instrument | |
| CN109323648B (en) | Installation distance measuring device for conductor spacer | |
| CN109556770A (en) | A kind of intelligence anchor bolt and the steel plate support construction with the intelligence anchor bolt | |
| US20130187784A1 (en) | Fencing | |
| US20090320615A1 (en) | Device for recognising a mechanical defect in a wire of an overhead line | |
| CN105067434B (en) | A kind of device that the twisted armored cable of detection single line reverses under tension | |
| CN208443441U (en) | Soil and water conservation monitoring devices and system thereof | |
| CN204609436U (en) | A kind of pole centralizing device | |
| CN203747341U (en) | Multi-applicability pulling force adjusting apparatus for inclined pulling line | |
| CN201932678U (en) | Measuring device of wire rope core conveyer belt joint dynamic curve | |
| CN208568138U (en) | A kind of tensile force of bridge steel cable detection device | |
| CN209146688U (en) | Manual capstan winch type monitoring sensor lifting device | |
| CN203382394U (en) | Rotating pin measuring and weighing sensor device for container spreader | |
| CN102121232B (en) | Wire rope sling reference surface ruling length fixing method | |
| CN211651908U (en) | Bridge cable force detection device | |
| CN217629423U (en) | Intelligent cable clamp and suspension bridge sling stress monitoring system | |
| CN202938950U (en) | Device for measuring stress data of cable body | |
| CN202033145U (en) | Guide line tension testing device | |
| CN203747352U (en) | Apparatus for quickly determining and correcting pulling force of inclined pulling line | |
| CN107905009B (en) | A kind of rope of asymmetric display pulling force | |
| CN216841820U (en) | Tunnel and piping lane sensing optical fiber detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |