CN208601411U - A kind of Electrified fastening screw device - Google Patents
A kind of Electrified fastening screw device Download PDFInfo
- Publication number
- CN208601411U CN208601411U CN201821146372.5U CN201821146372U CN208601411U CN 208601411 U CN208601411 U CN 208601411U CN 201821146372 U CN201821146372 U CN 201821146372U CN 208601411 U CN208601411 U CN 208601411U
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- insulating bar
- force arm
- fastening screw
- screw device
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Abstract
The utility model relates to charging equipment service technique fields, more specifically, it is related to a kind of Electrified fastening screw device, including insulating bar, pneumatic ratchet spanners, counter-force arm and adjusting rod, the pneumatic ratchet spanners are set on insulating bar, the counter-force arm is slidably mounted on insulating bar, the adjusting rod connect control counter-force arm with counter-force arm and slides along insulating bar, it further include the control mechanism for controlling pneumatic ratchet spanners opening and closing, counter-force arm and pneumatic ratchet spanners end are equipped with collet head.The connection of the screw and bolt of loosening can be fastened in the case where equipment live.
Description
Technical field
The utility model relates to charging equipment service technique fields, more particularly, to a kind of Electrified fastening screw device.
Background technique
In power industry, high voltage alive equipment fever is common abnormal failure, and most heating positions be all
On the connecting portion of component.Since high voltage alive equipment and its attached component are all in strong-electromagnetic field, equipment not only exists
It is easy to vibrate under the action of electromagnetic stress under the influence of power frequency electromagnetic field.And the screw of apparatus connecting unit position is exposed to outdoor
Exposing to the weather under environment, the time, which has been grown, inevitably will cause equipment connection loosening, and conducting position resistance is caused to increase so as to cause hair
Heat, common heating position have the terminal plate of high-voltage isolation switch, breaker.
Fever like above is handled at present, it is necessary to be had a power failure, be arranged after related security by service personnel to loosening
Component carry out fastening processing.Time-consuming, effort, influences to power, also brings hidden danger to operation of power networks.
The screw bolt and nut connection that first processing loosens needs to have a power failure relevant device, will affect the safe operation of power grid,
Power supply reliability is reduced, the risk of operation of power networks is also increased.Secondly high voltage alive equipment generally has certain altitude, and construction is made
Industry personnel need to be with operation of ascending a height of fastening the safety belt, and operating risk is higher.
Utility model content
The utility model in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of Electrified fastening screw dress
It sets, the connection of the screw and bolt of loosening can be fastened in the case where equipment live.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of Electrified fastening screw device, packet
Insulating bar, pneumatic ratchet spanners, counter-force arm and adjusting rod are included, the pneumatic ratchet spanners are set on insulating bar,
The counter-force arm is slidably mounted on insulating bar, and the adjusting rod connect control counter-force arm with counter-force arm along insulation behaviour
Make bar sliding, further includes the control mechanism for controlling pneumatic ratchet spanners opening and closing, counter-force arm and pneumatic ratchet spanners
End is equipped with collet head.
In the present apparatus, as the screw bolt and nut for having loosening on discovery substation's electrification in high voltage bus bar, operating personnel
Preset torque collet head in the square head of pneumatic ratchet spanners and is set into torque first, chooses suitable collet head
Be respectively fitted in the square head of pneumatic ratchet spanners and the square head of counter-force arm, push adjusting rod by counter-force arm collet head and
Collet head on pneumatic ratchet spanners is separated in distance, the collet head on pneumatic ratchet spanners to be properly socketed in the spiral shell of loosening
On bolt, adjusting adjusting rod position makes collet head in counter-force arm and is socketed on the nut of loosening, after the completion of determining socket, work
Personnel start pneumatic ratchet spanners using control mechanism, and pneumatic ratchet spanners rotate and then bolts and nuts is allowed to restore to fasten again
Be coupled, reuse adjusting rod after completing fastening and separate collet head with screw bolt and nut, withdrawing device can be completed bolt with
The fastening of nut.In the present apparatus, bolt and nut is fastened using common wrench relative to existing short distance, the present apparatus
Staff can be made to carry out fastening work, and device integral insulation far from charging zone, it can be real using pneumatic ratchet spanners
The effect screwed automatically after being now socketed with bolt and nut, and relative to manually being fastened, tightening torque more preferably controls, fastening effect
Fruit is more preferable.
It further, further include spanner fixed case, the pneumatic ratchet spanners are being insulated by the setting of spanner fixed case
In operating stick, it is equipped between the counter-force arm and spanner fixed case and draws high spring, the both ends of the spring that draws high is separately connected
Counter-force arm and spanner fixed case.After collet head set connects the screw bolt and nut of loosening, under the elastic force effect for drawing high spring,
Upper and lower collet head can guarantee that collet head is not fallen out to pressure is applied to screw bolt and nut respectively, when need to use, work
Personnel are pushed up counter-force arm along insulating bar by manpower, make to open certain distance between sleeve up and down according to actual needs,
It can adapt to different working environments.
Further, the control mechanism includes start and stop bar and compressed spring, and the pneumatic ratchet spanners are equipped with
Power button, the start and stop boom end are equipped with pressing plate, and the power button is placed in pressing plate, and the pressing plate is set to spanner
In fixed case, the compressed spring passes through start and stop bar, and compressed spring both ends contact pressing plate and spanner fixed case respectively.Not by
In the state of power, compressed spring supports pressing plate, makes pressing plate and power button is in discrete state, when needing to start air ratchet
Spanner, staff pull start and stop bar, compressed spring compression, pressing plate move down with power button contacts, press power button, start
Pneumatic ratchet spanners screw the screw bolt and nut of loosening.
Further, the start and stop bar is slideably positioned in insulating bar, and the start and stop boom end is grasped from insulation
It is exposed to make bar bottom.When in use, staff holds insulating bar operation, when needing to start pneumatic ratchet spanners, only
It needs to pull start and stop bar in insulating bar bottom.
It further, further include fixed body, the fixed body is set to insulating bar side wall, the adjusting rod and solid
Determine body to be slidably connected.
Further, the insulating bar end horizontal is equipped with caging bolt.It can be avoided instead by caging bolt
The arm of force deviates from insulating bar, plays the role of limit.
Further, the insulating bar and adjusting rod are epoxy resin material, and epoxy resins insulation performance is good,
High mechanical strength, weight is light, more durable after damp-proof treatment.
Further, the collet head is equipped with digital display device.By digital display device can to torque value intuitively into
Row shows, and sets before using the present apparatus and to need torque to be used, avoids torque excessive and causes to damage to setting
Wound or torque is too small effectively to tighten.
Compared with prior art, beneficial effect is: can be in the case where high-tension apparatus is charged to the bolt and spiral shell of loosening
Female connection is fastened.Application method is simple, and fastening effect is good, and construction worker reduces operation difficulty, without ascending a height
Operation, alleviates labor intensity, and equipment substantially increases the safety and power supply reliability of construction operation without having a power failure.This dress
It sets succinctly, it is reliably, low in cost suitable for large-scale promotion.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is spanner fixed case schematic diagram of internal structure in the utility model；
Fig. 3 is start and stop bar and spanner structure schematic diagram in the utility model；
Fig. 4 is the use state diagram of the utility model.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1-3, a kind of Electrified fastening screw device, including insulating bar 1, pneumatic ratchet spanners 2, counter-force arm
3, adjusting rod 4, spanner fixed case 7 and control mechanism, control mechanism include start and stop bar 9 and compressed spring (in order to which legend is clear, because
This is not shown in the accompanying drawings), pneumatic ratchet spanners 2 are equipped with power button 13, and the external tracheae 14 of pneumatic ratchet spanners 2 is made
To drive power source, 9 end of start and stop bar is equipped with pressing plate 12, and power button 13 is placed in pressing plate 12, and pressing plate 12 is fixed set on spanner
In case 7, compressed spring passes through start and stop bar 9, and compressed spring both ends contact pressing plate 12 and spanner fixed case 7 respectively.Air ratchet is pulled
Hand 2 is mounted on insulating bar 1 by spanner fixed case 7, and counter-force arm 3 is slidably mounted on insulating bar 1, in insulating bar
Side wall is equipped with fixed body 11, and the sliding of adjusting rod 4 is slidably connected with fixed body 11, and the end of adjusting rod 4 is fixedly connected with counter-force arm 3,
Counter-force arm 3 and 2 end of pneumatic ratchet spanners are equipped with collet head 5.It is equipped between counter-force arm 3 and spanner fixed case 7 and draws high spring
6, it draws high 6 both ends of spring and is separately connected counter-force arm 3 and spanner fixed case 7.
As shown in figure 4, there is the screw bolt and nut of a loosening on the junction of substation's electrification in high voltage bus bar, construction is made
The industry personnel first step in the square head of ratchet spanner 2 and sets torque for 5 sets of preset torque collet head；Second step choosing
Suitable collet head 5 is taken to be respectively fitted in the square head of torque collet head 5 and the square head of sliding counter-force arm 3；Third step is up
Adjusting rod 4 is pushed, 36 upward sliding of counter-force arm will be slided, opens sleeve up and down；4th step is by the set on preset torque collet head 5
Cylinder covers on the bolt of loosening, and come up adjusting rod 4, and sliding counter-force arm 3 drives its collet head under the action of drawing high spring 6
5 slide down until covering on the nut of loosening；5th step pulled down start and stop bar 9, start and stop pressing plate 12 will touch spine down
Power switch on wheel spanner 2, ratchet spanner 2, which rotates and then bolts and nuts is allowed to restore fastening again, to be coupled.5th step is unclamped
Start and stop bar 9, compressed spring of the start and stop pressing plate 12 inside start and stop bar 9 under the action of, revert to origin-location.6th step pushes up
Dynamic adjusting rod 4, slides 3 upward sliding of counter-force arm, and upper and lower sleeve opening can remove the device, slide counter-force arm 3 later and draw
Original closed position is revert under the action of liter spring 6.Construction worker completes spiral shell by above a few step operations, i.e. electrification
The fastening of screw bolt and nut.In the present apparatus, bolt and nut is fastened using common wrench relative to existing short distance, this
Device can make staff carry out fastening work, and device integral insulation far from charging zone, can using pneumatic ratchet spanners 2
With the effect realized with screwed automatically after bolt and nut socket, and relative to manually being fastened, tightening torque is more preferably controlled, tightly
Gu effect is more preferable.
In the present apparatus, after connecting the screw bolt and nut of loosening for 5 sets of collet head, in the elastic force effect for drawing high spring 6
Under, upper and lower collet head 5 can to respectively to screw bolt and nut apply pressure, guarantee collet head 5 do not fall out, need using
When, staff is pushed up counter-force arm 3 along insulating bar by manpower, makes to open one between sleeve up and down according to actual needs
Set a distance can adapt to different working environments.
In the present embodiment, start and stop bar 9 is slideably positioned in insulating bar 1, and 9 end of start and stop bar is from insulating bar 1
Bottom is exposed.When in use, staff holds insulating bar 1 and operates, and when needing to start pneumatic ratchet spanners 2, only needs
Start and stop bar 9 is pulled in 1 bottom of insulating bar.
In the present embodiment, 1 end horizontal of insulating bar is equipped with caging bolt 10.It can be avoided by caging bolt 10
Counter-force arm 3 deviates from insulating bar 1, plays the role of limit.
In the present embodiment, insulating bar 1 and adjusting rod 4 are epoxy resin material, and epoxy resins insulation performance is good,
High mechanical strength, weight is light, more durable after damp-proof treatment.
In the present embodiment, collet head 5 is equipped with digital display device.Torque value can intuitively be carried out by digital display device
It shows, and sets before using the present apparatus and to need torque to be used, avoid torque excessive and cause to damage to setting
Or torque is too small effectively to tighten.
In the present embodiment, the PVC rubber splendid using insulation performance of tracheae 14.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (8)
1. a kind of Electrified fastening screw device, which is characterized in that including insulating bar (1), pneumatic ratchet spanners (2), counter-force
Arm (3) and adjusting rod (4), the pneumatic ratchet spanners (2) are set on insulating bar (1), the counter-force arm (3) sliding
It is mounted on insulating bar (1), the adjusting rod (4) connect control counter-force arm (3) with counter-force arm (3) along insulating bar
(1) it slides, further includes the control mechanism for controlling pneumatic ratchet spanners (2) opening and closing, the counter-force arm (3) is gentle
Dynamic ratchet spanner (2) end is equipped with collet head (5).
2. a kind of Electrified fastening screw device according to claim 1, which is characterized in that it further include spanner fixed case (7),
The pneumatic ratchet spanners (2) by spanner fixed case (7) be arranged on insulating bar (1), the counter-force arm (3) with
It is equipped with and draws high spring (6) between spanner fixed case (7), described spring (6) both ends of drawing high are separately connected counter-force arm (3) and spanner
Fixed case (7).
3. a kind of Electrified fastening screw device according to claim 2, which is characterized in that the control mechanism includes opening
Stop bar (9) and compressed spring, the pneumatic ratchet spanners (2) are equipped with power button (13), described start and stop bar (9) end
Equipped with pressing plate (12), the power button (13) is placed in pressing plate (12), and the pressing plate (12) is set to spanner fixed case (7)
Interior, the compressed spring passes through start and stop bar (9), and compressed spring both ends contact pressing plate (12) and spanner fixed case (7) respectively.
4. a kind of Electrified fastening screw device according to claim 3, which is characterized in that start and stop bar (9) sliding
It is set in insulating bar (1), start and stop bar (9) end is exposed from insulating bar (1) bottom.
5. a kind of Electrified fastening screw device according to claim 1, which is characterized in that further include fixed body (11), institute
The fixed body (11) stated is set to insulating bar (1) side wall, and the adjusting rod (4) is slidably connected with fixed body (11).
6. a kind of Electrified fastening screw device according to claim 1, which is characterized in that the insulating bar (1)
End horizontal is equipped with caging bolt (10).
7. a kind of Electrified fastening screw device according to claim 1, which is characterized in that the insulating bar (1)
It is epoxy resin material with adjusting rod (4).
8. a kind of Electrified fastening screw device according to claim 1, which is characterized in that set on the collet head (5)
There is digital display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146372.5U CN208601411U (en) | 2018-07-19 | 2018-07-19 | A kind of Electrified fastening screw device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146372.5U CN208601411U (en) | 2018-07-19 | 2018-07-19 | A kind of Electrified fastening screw device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208601411U true CN208601411U (en) | 2019-03-15 |
Family
ID=65669564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821146372.5U Active CN208601411U (en) | 2018-07-19 | 2018-07-19 | A kind of Electrified fastening screw device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208601411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858019A (en) * | 2018-07-19 | 2018-11-23 | 广东电网有限责任公司 | A kind of Electrified fastening screw device |
| CN114029892A (en) * | 2021-12-13 | 2022-02-11 | 陕西能源研究院有限公司 | Electric wrench |
-
2018
- 2018-07-19 CN CN201821146372.5U patent/CN208601411U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858019A (en) * | 2018-07-19 | 2018-11-23 | 广东电网有限责任公司 | A kind of Electrified fastening screw device |
| CN114029892A (en) * | 2021-12-13 | 2022-02-11 | 陕西能源研究院有限公司 | Electric wrench |
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