CN206353675U - Electronic double-hook wire grip - Google Patents
Electronic double-hook wire grip Download PDFInfo
- Publication number
- CN206353675U CN206353675U CN201621308801.5U CN201621308801U CN206353675U CN 206353675 U CN206353675 U CN 206353675U CN 201621308801 U CN201621308801 U CN 201621308801U CN 206353675 U CN206353675 U CN 206353675U
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- Prior art keywords
- hook
- frame
- stringing
- wire grip
- stringing frame
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- 230000003137 locomotive effect Effects 0.000 claims description 12
- 208000033999 Device damage Diseases 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Mechanisms For Operating Contacts (AREA)
Abstract
The utility model discloses a kind of electronic double-hook wire grip, including stringing frame, take-up pulley, hook, drive device and power supply, hook has two to be divided into before stringing frame, two ends afterwards, front hook is directly connected with stringing frame, aft hook is connected with pull rope, it also includes mechanical overload protection device, mechanical overload protection device includes microswitch and the elastic component that can be linked with hook, one end of elastic component is contacted with the inwall of stringing frame, elastic component, which is pressurized, during hook overload makes the movable contact on microswitch move to and fixed contact closure, control power cut-off.Drive device is stopped, and protects turnbuckle.The utility model can rapidly cut off the working power of drive device by setting for overload protection arrangement when linking up with and overloading; avoid because operational error causes cable to be excessively tensioned or causes device damage; ensure being smoothed out for follow-up work, improve the reliability and security of operation.
Description
Technical field
The utility model is related to a kind of double-hook wire grip, more particularly to a kind of electronic double-hook wire grip.
Background technology
Double-hook wire grip has extensive utilization in overhead transmission line cable laying operation, and conventional various double-hook wire grips are more at present
For manual turnbuckle.Manual turnbuckle is mainly used in that power high voltage circuit industry high-altitude is tight, remove line operation and the bracing wire of electric pole is adjusted
It is whole etc..The steel wire traction rope on turnbuckle is unclamped first when using, and front hook is fixed on cross-arm, aft hook and clamp
Cable is clamped in pincers cooperation, and operating personnel shakes turnbuckle handle toward recovery again after cable is by firmly clamping.Whole operation process
The time of consuming is longer, and labor intensity is big, inefficiency, while sky must be suspended on by body inclination by also needing to workmen
Middle carry out wire stringing operation, has higher requirement, while security also cannot be guaranteed for the fitness of workmen.In order to
Solving the above problems, there has been proposed electronic double-hook wire grip.But various electronic double-hook wire grips in the market do not have
Overload protection, causes cable to draw tension in, is unfavorable for the development of follow-up work, or even draw often due to buncher works always
Send out security incident.The drive part of existing electronic double-hook wire grip and framework are separate structure simultaneously, and carrying is used just
Victory is not high.
Utility model content
The purpose of this utility model is a kind of electronic double-hook wire grip with overload protection of offer, improves operation reliable
Property and security.
The utility model provide this electronic double-hook wire grip, including stringing frame, take-up pulley, hook, drive device and
Power supply, hook has two forward and backward two ends for being divided into stringing frame, and front hook is directly connected with stringing frame, aft hook and pull rope
It is connected, it also includes mechanical overload protection device, mechanical overload protection device includes microswitch and can joined with hook
Dynamic elastic component, one end of elastic component is contacted with the inwall of stringing frame, and elastic component, which is pressurized, during hook overload opens fine motion
The movable contact shut is moved to be closed with fixed contact, controls power cut-off.
In order to prevent internal structure to be damaged, make the stringing frame for closed cassette, including rectangular-shaped frame and closing stringing
The upper lid and lower cover of the opening surface of frame two, one end of stringing frame length direction are provided with the T-shaped connecting rod, another for being used to connecting front hook
End is provided with guide holder, and pull rope is connected through guide holder with aft hook.
Further, the elastic component is disk groups of springs, and disk groups of springs is placed on the outside of the T-shaped connecting rod,
One end is contacted with head contact, the other end of T-shaped connecting rod with the inwall of the stringing frame；The microswitch has two to set up separately
In the left and right sides of T-shaped connecting rod, between two groups of disk springs.
In order to ensure the reliability of pulling force, it is ensured that the unidirectional output of output gear, the drive device includes high-speed electric expreess locomotive
And gearbox, the clamping lock disk that the casing of gearbox is provided with the outside of electromagnetic clutch, electromagnetic clutch is fixed on vertical four
On expansion link, the clamping lock disk of inner side is fixed in gearbox on the gear shaft of output gear, electromagnetic clutch inner side and outer side
Clamping lock disk is engaged by side helical teeth.
Preferably, the power supply is battery.
For the ease of carrying, the outer wall covered on described is provided with belt.
The utility model can rapidly cut off drive device by setting for overload protection arrangement when linking up with and overloading
Working power, it is to avoid because operational error causes cable to be excessively tensioned or cause device damage, it is ensured that follow-up work it is suitable
Profit is carried out, and improves the reliability and security of operation.
Brief description of the drawings
Fig. 1 is the schematic perspective view of one preferred embodiment of the utility model.
Fig. 2 is the exploded perspective view of this preferred embodiment.
Fig. 3 is this preferred embodiment drive device and the assembling schematic diagram of take-up pulley（Take away outside buncher and gearbox
Shell）.
Fig. 4 is this preferred embodiment overload protection arrangement and the enlarged diagram of T-shaped connecting rod.
Illustrate sequence number：
1-stringing frame, 2-take-up pulley, 3-front hook, 4-aft hook, 5-drive device, 6-overload protection arrangement,
7-electric tune, 8-circuit board, 9-battery, 01-assembly pulley, 02-belt, 03-placing frame, 53-electromagnetic clutch,
11-stringing frame, 12-upper lid, 13-lower cover, 14-T-shaped connecting rod, 15-guide holder, 21-spool, 22-spur gear,
51-motor fixed cylinder, 52-gearbox, 61-disk groups of springs, 62-microswitch, 521-output gear.
Embodiment
As shown in Fig. 1-4, this electronic double-hook wire grip that the present embodiment is provided, including it is stringing frame 1, take-up pulley 2, preceding
Hook 3, aft hook 4, drive device 5, electromagnetic clutch 53, overload protection arrangement 6, electricity adjust 7, circuit board 8 and 24V battery
9, front hook 3 is directly connected with stringing frame 1, aft hook 4 and assembly pulley are connected with steel wire traction rope.
Each part that stringing frame 1 is designed as into closed cassette to prevent it internal is damaged, and stringing frame 1 includes rectangular-shaped frame
11st, upper lid 12 and lower cover 13, are provided with belt 02 in order to the carrying of whole device, in the inwall of lower cover 13 in the outer wall of upper lid 12
The placing frame 03 that being provided with is used to accommodate battery 9 loosens or dropped in use to prevent battery 9, improves using reliable
Property.One end of the length direction of stringing frame 11 is provided with guide holder 15 provided with the T-shaped connecting rod 14 for connecting front hook 3, the other end,
Pull rope is through guide holder 15 and after assembly pulley 01, on the cross bar for being fixed on guide holder 15.
Drive device 5 is designed as to the assembly parts of high-speed electric expreess locomotive and gearbox 52, high-speed electric expreess locomotive is placed in high-speed electric expreess locomotive and fixed
In cylinder 51, and provided with electromagnetic clutch 53 on the casing of gearbox, the clamping lock disk of the inner side of electromagnetic clutch 53 is fixed on speed change
In case on the gear shaft of output gear, the clamping lock disk in outside is fixed on four vertical expansion links.Pass through electromagnetic clutch 53
Control the unidirectional output of output gear 521 in gearbox 52, it is ensured that the reliability of driving pulling force, the 7, and of circuit board 8 is adjusted by electricity
The setting of controller improves the controllability of whole device, and further guarantee driving dynamical stability is reliable, and will be electric at a high speed
Machine 51 is from being micro high-power motor to ensure to export enough power in certain space, by gearbox 52 from for big drop
Ratio gearbox with ensure output gear revolution be in lower-speed state, it is to avoid the folding and unfolding excessive velocities of pull rope, it is ensured that operation
The stability of journey.Take-up pulley 2 includes spool 21 and is fixed on the spur gear 22 at spool two ends, spur gear 22 and output gear
521 are meshed.
Overload protection arrangement 6 includes disk groups of springs 61 and two microswitches 62, and disk groups of springs 61 is placed on T-shaped connection
The outside of bar 14, two microswitches 62 are arranged at the left and right sides of the T-shaped disk groups of springs 61 of connecting rod 14, when linking up with overload
Disk groups of springs 61 is pressurized, and the movable contact on microswitch 62 is moved to fixed contact, to two closings of contact, start-up circuit plate
Protection circuit, the rapid battery that disconnects is stopped, it is to avoid turnbuckle and construction line are impaired.
Electronic double-hook wire grip provides power supply by 24V batteries when the present embodiment is used, when controller sends the finger of take-up
After order, control board starts, and output control signal starts electricity mediation high-speed electric expreess locomotive, and high-speed electric expreess locomotive rotates in the direction of the clock,
By gearbox speed change, high rotating speed is changed into the slow-speed of revolution, the interior electromagnetic clutch electromagnet coaxial with output gear of gearbox is not
Powered, under the action of the spring, clamping lock disk is in closure state all the time up and down, it is ensured that the unidirectional output of gearbox output gear,
Final driving take-up pulley rotates counterclockwise realizes take-up.When turnbuckle overloads, hook drives disk groups of springs direction
The inwall motion of stringing frame, head and the stringing frame compressed disk groups of springs of T-shaped connecting rod are allowed to deform, and the dynamic of microswitch touches
Piece and fixed touching plate contact are the Machine guarding closing of contact, start the protection circuit of control board, and rapid deenergization stops
Only work, play a part of protecting turnbuckle.When high-speed electric expreess locomotive heavy load works long hours, or high-speed electric expreess locomotive produces temperature extremely
When rising, the output of high-speed electric expreess locomotive body temperature sensor starts the protection circuit of control board, and the rapid driving power supply that disconnects stops
Work, plays a part of protecting high-speed electric expreess locomotive.After controller sends the instruction of stopping, control board is closed electricity and reconciled at a high speed
Motor, electromagnetic clutch locking gearbox output gear, it is ensured that output gear will not dextrorotation transfer to cause loose ends.Work as control
Device is sent after the instruction of loose ends, and control board starts, and starts electromagnetic clutch first, makes gearbox outer coaxial with output gear
Locking device electromagnet charging, the magnetic field of electromagnet overcomes acting force of the spring with permanent magnet adhesive, makes the card up and down of Locking device
Lock collar is rapidly separated, and keeps clutch state, it is ensured that output gear energy rotate counterclockwise.Restart electricity and reconcile high-speed electric expreess locomotive by inverse
Clockwise is rotated, and by gearbox speed change, high rotating speed is changed into the slow-speed of revolution, and final driving is received take-up pulley and revolved in the direction of the clock
Turn to realize loose ends operation.
Claims (6)
1. a kind of electronic double-hook wire grip, including stringing frame, take-up pulley, hook, drive device and power supply, hook have two to set up separately
In the forward and backward two ends of stringing frame, front hook is directly connected with stringing frame, aft hook is connected with pull rope, it is characterised in that：It is also
Including mechanical overload protection device, mechanical overload protection device includes microswitch and the elastic structure that can be linked with hook
Part, one end of elastic component is contacted with the inwall of stringing frame, and elastic component, which is pressurized, during hook overload touches moving on microswitch
Point is moved to be closed with fixed contact, controls power cut-off.
2. electronic double-hook wire grip according to claim 1, it is characterised in that：The stringing frame is closed cassette, bag
The upper lid and lower cover of rectangular-shaped frame and the opening surface of closing stringing frame two are included, one end of stringing frame length direction is provided with before being used to connect
The T-shaped connecting rod of hook, the other end are provided with guide holder, and pull rope is connected through guide holder with aft hook.
3. electronic double-hook wire grip according to claim 2, it is characterised in that：The elastic component is disk groups of springs,
Disk groups of springs is placed on the outside of the T-shaped connecting rod, one end and the head contact, the other end and the stringing of T-shaped connecting rod
The inwall contact of frame；The microswitch has two left and right sides for being divided into T-shaped connecting rod, in two groups of disk springs it
Between.
4. electronic double-hook wire grip according to claim 1, it is characterised in that：The drive device include high-speed electric expreess locomotive and
Gearbox, the clamping lock disk that the casing of gearbox is provided with the outside of electromagnetic clutch, electromagnetic clutch, which is fixed on vertical four, to be stretched
On contracting bar, the clamping lock disk of inner side is fixed in gearbox on the gear shaft of output gear, the card of electromagnetic clutch inner side and outer side
Lock collar is engaged by side helical teeth.
5. electronic double-hook wire grip according to claim 1, it is characterised in that：The power supply is battery.
6. electronic double-hook wire grip according to claim 2, it is characterised in that：The outer wall of the upper lid is provided with belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308801.5U CN206353675U (en) | 2016-12-01 | 2016-12-01 | Electronic double-hook wire grip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308801.5U CN206353675U (en) | 2016-12-01 | 2016-12-01 | Electronic double-hook wire grip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353675U true CN206353675U (en) | 2017-07-25 |
Family
ID=59346775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308801.5U Active CN206353675U (en) | 2016-12-01 | 2016-12-01 | Electronic double-hook wire grip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206353675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382982A (en) * | 2020-11-20 | 2021-02-19 | 国家电网有限公司 | Multifunctional wire tightener for power transmission and transformation circuit |
| CN115411659A (en) * | 2022-08-29 | 2022-11-29 | 国网江苏省电力有限公司泰州供电分公司 | Wire tightener and cable tightening method |
-
2016
- 2016-12-01 CN CN201621308801.5U patent/CN206353675U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382982A (en) * | 2020-11-20 | 2021-02-19 | 国家电网有限公司 | Multifunctional wire tightener for power transmission and transformation circuit |
| CN115411659A (en) * | 2022-08-29 | 2022-11-29 | 国网江苏省电力有限公司泰州供电分公司 | Wire tightener and cable tightening method |
| CN115411659B (en) * | 2022-08-29 | 2023-09-08 | 国网江苏省电力有限公司泰州供电分公司 | Cable tensioning method |
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