CN105720518A - Fastening apparatus for current-guiding plate of power transmission line - Google Patents
Fastening apparatus for current-guiding plate of power transmission line Download PDFInfo
- Publication number
- CN105720518A CN105720518A CN201610192170.3A CN201610192170A CN105720518A CN 105720518 A CN105720518 A CN 105720518A CN 201610192170 A CN201610192170 A CN 201610192170A CN 105720518 A CN105720518 A CN 105720518A
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- CN
- China
- Prior art keywords
- main shaft
- fastener
- thread bush
- transmission
- transmission line
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to improvement of a current-guiding plate bolt detaching tool, and specifically a fastening apparatus for a current-guiding plate of a power transmission line. The fastening apparatus comprises an upper clamping part and a lower clamping arranged in opposite, wherein the upper clamping part can be rotationally mounted in a transmission box; the transmission box is fixedly connected on one side of a power box; a main shaft in transmission connection with a driving motor is arranged in the power box through a bearing; the upper clamping part is fixedly connected with a driven gear; the driven gear is in transmission connection with a driving gear at the upper end of the main shaft; the lower end of the main shaft is sleeved with a threaded sleeve; a longitudinally-arranged sliding groove is formed in the lower end of the power box; a supporting arm is mounted in the sliding groove; the lower clamping part is mounted at the outer end of the supporting arm; and a threaded outer sleeve which is arranged on the threaded sleeve in a sleeving and matching manner is arranged at the inner end of the supporting arm. The fastening apparatus can perform live line operation; and in addition, the fastening apparatus is capable of realizing rapid fastening, high in automation degree, convenient to operate, and capable of greatly lowering the labor intensity and improving the labor efficiency.
Description
Technical field
The present invention relates to the improvement of a kind of drainage plate bolt loading and unloading tool, specifically a kind of transmission line of electricity drainage plate clamp device.
Background technology
Drainage plate is the parts of drainage thread in transmission line of electricity, messenger wire string, parallel groove clamp connection, it is be tightened through the corresponding through hole nut on two boards by screw rod by after two block length square aluminium sheet overlappings, sheathed annulus pad and elastomeric pad on screw rod, in order to more be not easy to loosen, sometimes set two nuts in the upper end of screw rod.This drainage plate, run through after a while, Chang Yin expand with heat and contract with cold cause nut to loosen, contact surface oxidation, cause drainage plate, the contact resistance of parallel groove clamp becomes big, when the current capacity passed through is relatively larger, parallel groove clamp contact surface temperatures at localized regions raises, then the phenomenons such as rubescent, metal molten occur, severe patient is likely to blow wire jumper and causes the accident, once there is above-mentioned situation, maintainer needs band instrument immediately screw rod and nut to be fastened in the energized state, to ensure that line security runs.
At present, the instrument that livewire work uses is mostly Insulation spanner, insulating sleeve, operating to need two Insulation spanners or insulating sleeve, screw bolt seat is gripped by one, does not allow screw rod rotate every time, another clamping nut rotates clockwise, make the relative screw rod of nut tighten, but this instrument needs position that be interrupted, that switch binding nut continuously, back and forth pulls, so fastening speed is slow, labor intensity is big, and efficiency is low；If on same drainage plate side by side be provided with two groups of bolts, when one group of bolt therein is fastened by Insulation spanner or insulating sleeve, handler also can be played inhibition by another group bolt, impact operation.
By retrieving, in order to improve above the deficiencies in the prior art, there are many reports about drainage plate bolt-tightening tool, as Chinese patent CN104242149A discloses one " anchor support drainage plate bolt tightener ", including insulating bar, rotating shaft, socket wrench, rotated by socket wrench nut docking；Another Chinese patent CN203019274U discloses one " anchor support drain yoke plate fastened by screw spanner ", including loop bar, pull bar, pull pipe, rotating shaft, rotating shaft adds ratchet, has been provided with tooth bar in the upper end of pull bar, realized pulling the continuously unidirectional rotation of pipe by ratchet.But this improvement, it is still desirable to interruption, back and forth pull continuously, it does not have significantly improve fastening speed and to reduce labor intensity big；Simultaneously as add insulating bar, make operating distance extend, improve security performance, but add the difficulty of sleeve rapid alignment nut, make eyes feel tired.
Summary of the invention
It is an object of the invention to provide one not only livewire work operation safety, and simple in construction, flexible and convenient to use, the transmission line of electricity drainage plate clamp device that labor intensity is greatly reduced, raises labour efficiency.
In order to reach object above, the technical solution adopted in the present invention is: this transmission line of electricity drainage plate clamp device includes the upper fastener and the lower fastener that are oppositely arranged, described upper fastener is rotatably installed in transmission case, described transmission case is fixedly connected on the side of headstock, being provided with main shaft by bearing in described headstock, described main shaft and drive motor are in transmission connection；Being fixedly connected with driven gear on upper fastener, the upper end of described main shaft is installed with driving gear, and described driven gear is in transmission connection by the idle wheel being arranged in transmission case with driving gear；The lower end of main shaft is set with outer wall and sets threaded thread bush；The lower end of described headstock, with longitudinally disposed chute, is slidably fitted with support arm in described chute, described lower fastener is arranged on the outer end of support arm, and the inner of described support arm is provided with the thread jacket that engagement sleeves is contained on thread bush.
It is provided with tension mechanism between described main shaft and thread bush, described tension mechanism includes the shell fragment being hinged on main shaft, the friction plate being hinged on shell fragment outer end, the outside of described friction plate and thread bush inwall are frictional fit, with the axle bed hole of axial distribution on the outer wall of main shaft, being provided with hinge in described axle bed hole, the inner of shell fragment is fixedly connected on hinge.
Described headstock is fixedly mounted on the end of extension rod.
Being set with sliding bearing on upper fastener, described sliding bearing is supported on the tank wall of transmission case.
The outer end of described support arm is provided with fastener installing hole, and described lower fastener is arranged in fastener installing hole；On lower fastener, fixed cover is equipped with snap ring, and the excircle of described snap ring is uniformly distributed multiple positioning tooth, and the inwall of described fastener installing hole is provided with the annular groove of coupling snap ring, is provided with the hole, location of coupling positioning tooth in described annular groove.
The beneficial effects of the present invention is: this transmission line of electricity drainage plate clamp device not only livewire work operation safety, and owing to adopting upper fastener and lower fastener clamping bolt and nut simultaneously, can Quick fastening, automaticity is high, easy to operate, significantly reduce labor intensity, raise labour efficiency；Owing to adopting moment of torsion self-reacting device, can realizing clamping with a motor and rotate two actions, compact conformation, strong adaptability, application is wide.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention.
Fig. 2 is the cross section view of main shaft and screw-casing.
Fig. 3 is the plan structure schematic diagram of lower fastener.
Detailed description of the invention
As it is shown in figure 1, this transmission line of electricity drainage plate clamp device, including the upper fastener 1 being oppositely arranged and lower fastener 2, this upper fastener 1 and lower fastener 2 can adopt ut socket, and main body is column structure, and end arranges the hexagon pit holding nut；Certainly, upper fastener 1 and lower fastener 2 can also adopt the bayonet-like structures of adjustable wrench, are respectively used to block the nuts and bolt on the positive and negative two sides of drainage plate.Described upper fastener 1 is rotatably installed in transmission case 3, and described transmission case 3 is fixedly connected on the side of headstock 4, in strip structure.By bearing, main shaft 5 is installed in described headstock 4, described main shaft 5 is in transmission connection with drive motor 6, direct gear-engaged type transmission as shown in Figure 1 can be adopted, the transmission of other forms such as chain sprocket can also be adopted, drive motor 6 can be fixedly mounted on the inside of headstock 4, it is also possible to is arranged on the outer wall of headstock 4；Upper fastener 1 is fixedly connected with driven gear 7, the upper end of described main shaft 5 is installed with driving gear 8, described driven gear 7 is in transmission connection by the idle wheel 13 being arranged in transmission case 3 with driving gear 8, multiple idle wheels 13 are arranged in a row, driving gear 8 engages successively, so that can drive driven gear 7 and upper fastener 1 to rotate.The lower end of main shaft 5 is set with thread bush 9, and thread bush 9 is tubular structure, and its outer wall is provided with screw thread, and the lower end of main shaft 5 is inserted in thread bush 9；The lower end of described headstock 4 is with longitudinally disposed chute 19, and the height of chute 19 is suitable with the height of thread bush 9.Being slidably fitted with support arm 10 in described chute 19, the two side of the both sides of support arm 10 and chute 19 is slidably matched so that it is can only longitudinal sliding motion and can not rotate.Support arm 10 is the rod-like structure be arrangeding in parallel with transmission case 3, for coupling chute 19, it is possible to be rectangle by the Cross section Design of support arm 10 so that it is two sides are planes, it is possible to the sidewall of chute 19 of fitting well.Described lower fastener 2 is arranged on the outer end of support arm 10, it is oppositely arranged with upper fastener 1, the inner of described support arm 10 is provided with thread jacket 11, the inwall of this thread jacket 11 has the female thread of coupling thread bush 9, thread jacket 11 engagement sleeves is contained on thread bush 9, time thread bush 9 rotates, thread jacket 11 and support arm 10 can move up and down therewith, it is achieved the lifting action of support arm 10.
It is provided with tension mechanism between described main shaft 5 and thread bush 9, as shown in Figure 2, described tension mechanism includes the shell fragment 51 being hinged on main shaft 5, the friction plate 52 being hinged on shell fragment 51 outer end, the outside of described friction plate 52 and thread bush 9 inwall are frictional fit, with the axle bed hole of axial distribution on the outer wall of main shaft 5, being provided with hinge in described axle bed hole, the inner of shell fragment 51 is fixedly connected on hinge.Time without External Force Acting, friction plate 52 is extruded by shell fragment 51 laterally, it is made to be close to the inwall of thread bush 9, utilize frictional force that both are locked, make thread bush 9 with main shaft 5 synchronous rotary, when the resistance of motion of thread bush 9 becomes big, time more than the frictional force of friction plate 52, skidding on thread bush 9 relative main 5, time main shaft 5 rotates, thread bush 9 does not rotate.
Described headstock 4 is fixedly mounted on the end of extension rod 12.This extension rod 12 adopts insulant to make, it is simple to remote hot line job.
Additionally being set with sliding bearing on upper fastener 1, described sliding bearing is supported on the tank wall of transmission case 3.Upper fastener 1 so can be avoided stuck so that it is operate more flexible, reduce the resistance of motion.
As shown in Figure 1, Figure 3, the outer end of described support arm 10 is provided with fastener installing hole, and described lower fastener 2 is arranged in fastener installing hole；On lower fastener 2, fixed cover is equipped with snap ring 14, the excircle of described snap ring 14 is uniformly distributed multiple positioning tooth 15, the inwall of described fastener installing hole is provided with the annular groove of coupling snap ring 14, described annular groove is provided with the hole, location of coupling positioning tooth 15, the width in this hole, location, slightly larger than the width of positioning tooth 15, makes lower fastener 2 can have certain free gap.Time lower fastener 2 is arranged in fastener installing hole, snap ring 14 is stuck in annular groove, it is possible to avoid lower fastener 2 to come off from fastener installing hole, and positioning tooth 15 is arranged in hole, location simultaneously, makes lower fastener 2 can freely swing in certain amplitude.So when lower fastener 2 packs into nut, there is certain free gap, it is easier to location.
During use, the gap between upper fastener 1 and lower fastener 2 is slightly larger than the length of the bolt on drainage plate 20 so that it is can be respectively placed in the upper and lower both sides of screw bolt and nut by capturing position；Passing through remote control subsequently or be arranged on the switch activated drive motor 6 on extension rod 12, drive motor 6 drives main shaft 5 to rotate, and main shaft 5 upper end of rotation drives upper fastener 1 to rotate by driving gear 8, idle wheel 13 and driven gear 7.Meanwhile, the lower end of main shaft 5 drives support arm 10 up by servo-actuated thread bush 9, progressively reduces the gap between upper fastener 1 and lower fastener 2, until upper fastener 1 and the screw bolt and nut on lower fastener 2 respectively corresponding clamping drainage plate 20；Now owing to the up resistance of support arm 10 increases, the resistance of motion of thread bush 9 strengthens, when the resistance of motion of thread bush 9 more than frictional force between thread bush 9 and friction plate 52 time, thread bush 9 stops the rotation, and main shaft 5 continues to be rotated through upper fastener 1 by nut screwing clamping.After nut screwing clamping, handle drive motor 6 to reversely rotate, owing to main shaft 5 counter-rotating is applied to the pressure of friction plate 52 much larger than the pressure rotated forward by shell fragment 51, the frictional force now reversely rotated is bigger, and the resistance of motion is less when thread bush 9 counter-rotating, support arm 10 inverted running, can depart from from bolt.Additionally, time for avoiding main shaft 5 to reverse, the nut tightened is unclamped by upper fastener 1, the ratchet mechanism of single direction rotation can be set between main shaft 5 and driving gear 8, make driving gear 8 can only rotate forward with main shaft 5, when main shaft 5 reverses time, driving gear 8 does not rotate, so both when main shaft 5 rotates forward by nut screwing clamping, can prevent from coming off again nut in process and release.
The concrete structure of ratchet mechanism and operation principle are known technology, have various structures form directly to apply, are not discussed in detail here.
Claims (4)
1. transmission line of electricity drainage plate clamp device, including the upper fastener (1) being oppositely arranged and lower fastener (2), it is characterized in that: described upper fastener (1) is rotatably installed in transmission case (3), described transmission case (3) is fixedly connected on the side of headstock (4), being provided with main shaft (5) by bearing in described headstock (4), described main shaft (5) and drive motor (6) are in transmission connection；Being fixedly connected with driven gear (7) on upper fastener (1), the upper end of described main shaft (5) is installed with driving gear (8), and described driven gear (7) is in transmission connection by the idle wheel (13) being arranged in transmission case (3) with driving gear (8)；The lower end of main shaft (5) is set with outer wall and sets threaded thread bush (9)；The lower end of described headstock (4) is with longitudinally disposed chute (19), described chute (19) is slidably fitted with support arm (10), described lower fastener (2) is arranged on the outer end of support arm (10), and the inner of described support arm (10) is provided with the thread jacket (11) that engagement sleeves is contained on thread bush (9)；It is provided with tension mechanism between described main shaft (5) and thread bush (9), described tension mechanism includes the shell fragment (51) being hinged on main shaft (5), the friction plate (52) being hinged on shell fragment (51) outer end, the outside of described friction plate (52) and thread bush (9) inwall are frictional fit, with the axle bed hole of axial distribution on the outer wall of main shaft (5), being provided with hinge in described axle bed hole, the inner of shell fragment (51) is fixedly connected on hinge.
2. transmission line of electricity drainage plate clamp device according to claim 1, it is characterised in that: described headstock (4) is fixedly mounted on the end of extension rod (12).
3. transmission line of electricity drainage plate clamp device according to claim 1 and 2, it is characterised in that: being set with sliding bearing on upper fastener (1), described sliding bearing is supported on the tank wall of transmission case (3).
4. transmission line of electricity drainage plate clamp device according to claim 1 and 2, it is characterised in that: the outer end of described support arm (10) is provided with fastener installing hole, and described lower fastener (2) is arranged in fastener installing hole；The upper fixed cover of lower fastener (2) is equipped with snap ring (14), the excircle of described snap ring (14) is uniformly distributed multiple positioning tooth (15), the inwall of described fastener installing hole is provided with the annular groove of coupling snap ring (14), is provided with the hole, location of coupling positioning tooth (15) in described annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192170.3A CN105720518A (en) | 2016-03-30 | 2016-03-30 | Fastening apparatus for current-guiding plate of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192170.3A CN105720518A (en) | 2016-03-30 | 2016-03-30 | Fastening apparatus for current-guiding plate of power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105720518A true CN105720518A (en) | 2016-06-29 |
Family
ID=56158365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610192170.3A Pending CN105720518A (en) | 2016-03-30 | 2016-03-30 | Fastening apparatus for current-guiding plate of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105720518A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473469A (en) * | 2022-03-09 | 2022-05-13 | 国网智能科技股份有限公司 | Overhead transmission line drainage plate bolt fastening device, robot and method |
| CN117277143A (en) * | 2023-09-28 | 2023-12-22 | 南方电网电力科技股份有限公司 | Porous drainage plate is to hole mounting tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175433A (en) * | 1961-06-29 | 1965-03-30 | Jr Richard J Akers | Double-acting reversible wrench |
| CN2692413Y (en) * | 2003-12-16 | 2005-04-13 | 车德迅 | Friction type driving shaft coupling device |
| CN203765538U (en) * | 2014-04-04 | 2014-08-13 | 周志刚 | Two-way bolt spanner |
-
2016
- 2016-03-30 CN CN201610192170.3A patent/CN105720518A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175433A (en) * | 1961-06-29 | 1965-03-30 | Jr Richard J Akers | Double-acting reversible wrench |
| CN2692413Y (en) * | 2003-12-16 | 2005-04-13 | 车德迅 | Friction type driving shaft coupling device |
| CN203765538U (en) * | 2014-04-04 | 2014-08-13 | 周志刚 | Two-way bolt spanner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473469A (en) * | 2022-03-09 | 2022-05-13 | 国网智能科技股份有限公司 | Overhead transmission line drainage plate bolt fastening device, robot and method |
| CN117277143A (en) * | 2023-09-28 | 2023-12-22 | 南方电网电力科技股份有限公司 | Porous drainage plate is to hole mounting tool |
| CN117277143B (en) * | 2023-09-28 | 2024-05-07 | 南方电网电力科技股份有限公司 | Porous drainage plate is to hole mounting tool |
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Application publication date: 20160629 |
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| WD01 | Invention patent application deemed withdrawn after publication |