CN207010085U - The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings - Google Patents
The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings Download PDFInfo
- Publication number
- CN207010085U CN207010085U CN201720793874.6U CN201720793874U CN207010085U CN 207010085 U CN207010085 U CN 207010085U CN 201720793874 U CN201720793874 U CN 201720793874U CN 207010085 U CN207010085 U CN 207010085U
- Authority
- CN
- China
- Prior art keywords
- rocking arm
- card ejection
- ratchet shaft
- hanging belt
- soft
- 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
- Clamps And Clips (AREA)
Abstract
The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings, including tightener main body, tighten up rocking arm, ratchet, without oil bearing is given, anticreep R sells, anticreep round nut, aid in trip lever, anti-card ejection, anti- card ejection spring, anti-card ejection guide pin, installation bolt, installation bolt anti-off board, anti-off board pilot nail, rocking arm fastener; rocking arm fastener guide pin; rocking arm fastener spring, aid in trip lever screw, aid in trip lever anchor; soft hanging belt; soft hanging belt head, arm-tie connector, the axis of guide; ratchet shaft, ratchet shaft intermediate plate；The utility model is applied to 500kV power failure packets and changes the general kit of V-arrangement insulator chain, 500KV circuit V-arrangement insulator chains are in line maintenance, after insulator chain is freed, due to Action of Gravity Field, insulator chain is swung downwards, causes to change difficulty, because centering is difficult during insulator pin when sag caused by gravity causes disassembly and installation, it can not even remove and install, for such a situation, have developed a kind of soft bottle supporting device of 500kV transmission lines of electricity V-arrangement insulator chain maintenance.
Description
Technical field
The utility model belongs to electric power transmission line repair apparatus, and it is exhausted to be particularly applied to 500kV power failure packet replacing V-arrangements
The general kit of edge substring, 500KV circuit V-arrangement insulator chains are in line maintenance, after insulator chain is freed, because gravity is made
Swung with, insulator chain it is downward, cause to change it is difficult, due to insulator pin when sag caused by gravity causes disassembly and installation
When centering it is difficult, or even can not remove and install, for such a situation, develop a kind of 500kV transmission lines of electricity V-arrangement insulator chain maintenance
Soft bottle supporting device.
Background technology
When 500KV line outages are grouped and change V-arrangement insulator chain, when once overhauling more than 3 multi-disc insulator chains,
It would generally use and block before using, rear card, load leading screw, arm-tie composition pulling force transfer device, it would be desirable to the line insulator string of replacing
Tension force is transferred to front and rear fixture, arm-tie, on leading screw so that the relaxation of the insulator chain to be dismantled, releases the pin on insulator porcelain vase
Card, the insulator to be dismantled, adjustment and the fit-up gap for the insulator do not dismantled on circuit are tensed, frees insulator, more
During changing, insulator chain can form state as depicted, and replacing is laborious time-consuming, or even can not free.
The content of the invention
A kind of in view of the above-mentioned problems of the prior art, firm soft support that may be mounted on fixture arm-tie of design
Bottle, make the insulator chain after dismounting consistent along former installation center line, shorten the repair time, improve security.
By to the case study present in circuit service work of 500KV circuit V-arrangement insulator chains, design one kind can be with
Soft bottle supporting equipment on fixture arm-tie, the length of soft bottle supporting band arbitrarily can be adjusted and had according to job requirements
Locking function, so as to ensure the insulator chain lifting of different length and weight in scope of design, solution uses conventional tool
500kV transmission line of electricity V insulator strings are changed, Work tool is heavy, and operation difficulty is big, and safety coefficient is low, and personnel labor intensity is big
Problem.
The purpose of this utility model is achieved by the following technical solution.
The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings, the utility model is characterised by, including tightener main body,
Rocking arm is tightened up, ratchet, without oil bearing is given, anticreep R sells, anticreep round nut, auxiliary trip lever, anti-card ejection, anti-card ejection spring,
Anti- card ejection guide pin, installation bolt, installation bolt anti-off board, anti-off board pilot nail, rocking arm fastener, rocking arm fastener guide pin,
Rocking arm fastener spring, trip lever screw is aided in, aid in trip lever anchor, soft hanging belt, soft hanging belt head, arm-tie connector, lead
To axle, ratchet shaft, ratchet shaft intermediate plate；
Its attachment structure is：
Tightener main body is with tightening up rocking arm by the way that without being installed together to oil bearing and ratchet shaft, ratchet shaft both sides are equipped with two
Individual ratchet, ratchet shaft one end are provided with anticreep round nut, and shaft end is provided with anticreep R pins beside round nut, and ratchet shaft shaft end is another
Side is provided with anticreep round nut, and shaft end is provided with auxiliary trip lever, and auxiliary trip lever is by aiding in trip lever anchor and auxiliary pine
Together, auxiliary trip lever screw is connected on ratchet shaft axial direction de- bar mode connects for screw with thread forms, is tightened up and is installed on rocking arm
There is rocking arm fastener, rocking arm fastener guide pin is installed, the other end is provided with rocking arm fastener spring, in rocking arm fastener on rocking arm fastener
Under the collective effect of guide pin and rocking arm fastener spring, rocking arm fastener rule in the rocking arm fastener mounting groove in tightening up rocking arm is flat
Shifting movement, anti-card ejection are arranged in the anti-card ejection mounting groove of tightener main body, anti-card ejection are provided with anti-card ejection and is led
Xiang Ding, anti-card ejection bottom are provided with anti-card ejection spring, and anti-card ejection spring is arranged on the anti-card ejection bullet of tightener main body
In spring mounting hole, anti-card ejection does regular translational motion under anti-card ejection spring and anti-card ejection mounting groove collective effect, soft
On ratchet shaft, ratchet shaft intermediate plate is pressed on soft hanging belt the one ends wound of matter suspender belt, and ratchet shaft intermediate plate is fixed by bolts to spine
On wheel shaft, soft hanging belt can be wrapped on ratchet shaft as ratchet shaft rotates, so as to adjust the natural segment length of soft hanging belt；
Wherein：Tightener main body is forged using high-strength aluminum alloy, is a same thickness obform body, its top is provided with respectively
Anti- card ejection mounting groove, anti-card ejection spring mounting hole, ratchet shaft mounting hole, bottom is provided with installation bolt through hole, installation bolt
Screwed hole, anti-off board mounting hole, off card slot is solved, be oriented to axis hole, anti-back boss；
Tighten up rocking arm to forge using high-strength aluminum alloy, be a same thickness obform body, be provided with the installation of rocking arm fastener thereon
Groove, rocking arm fastener spring mounting groove, no oil supply bearing mounting hole, cam arc composition；
It is provided with through hole on arm-tie connector, screwed hole, soft hanging belt head mounting hole, soft hanging belt head passes through soft hanging belt head
Mounting hole, soft hanging belt head clamp one end of soft hanging belt, and connection is rolled with high-strength filaments；It is provided with arm-tie connector
Bolt anti-off board is filled, installation bolt anti-off board is arranged on arm-tie connector with anti-off board pilot nail thread forms, installs spiral shell
Bolt is kept off in through-holes by anti-off board, is easily installed.
The utility model operates：Rotate back and forth counterclockwise and tighten up rocking arm, rocking arm fastener promotes ratchet rotate counterclockwise, band
Dynamic ratchet shaft rotate counterclockwise, makes soft hanging belt be wrapped on ratchet shaft, reaches the length of adjustment soft hanging belt paragragh, tightens up
Rocking arm is moved tightening up in angle, anti-back boss it is spacing under, soft hanging belt can only be tightened up, it is impossible to which pine moves back, when needing to lengthen
It is soft hang band nature segment length when, push down rocking arm fastener and rotary tightening rocking arm be to off card slot is solved, unclamp rocking arm fastener, rocking arm
Fastener dop is fallen into solution off card slot, while the cam arc for tightening up rocking arm pushes anti-card ejection open, and being in ratchet can bidirectional rotation
State, the paragragh of soft hanging belt is dropped, can both increase the natural segment length of soft hanging belt, can also screw out auxiliary trip lever, turned
Dynamic auxiliary trip lever, soft hanging belt is set to lengthen paragragh.(such as Fig. 1).
The beneficial effects of the utility model are that the length of soft bottle supporting band arbitrarily can be adjusted and had according to job requirements
Locking function, so as to ensure the insulator chain lifting of different length and weight in scope of design, solution uses conventional tool
500kV transmission line of electricity V insulator strings are changed, Work tool is heavy, and operation difficulty is big, and safety coefficient is low, and personnel labor intensity is big
Problem.
The utility model can be arranged on the firm soft bottle supporting device on fixture arm-tie, make the insulator chain after dismounting
It is consistent along former installation center line, shorten the repair time, improve security.
Brief description of the drawings
Fig. 1 is the utility model attachment structure schematic diagram；
Fig. 2 is tightener main body positive structure diagram；
Fig. 3 is to tighten up rocking arm positive structure diagram；
Fig. 4 is Fig. 1 top view；
Fig. 5 is arm-tie connector structural representation；
Fig. 6 is the utility model device Integral connection structure figure；
Fig. 7 is existing insulator chain stress schematic diagram；
In Fig. 4：3- ratchets, 4- is without to oil bearing, 5- anticreeps R pins, 6- anticreep garden nuts, 7- auxiliary trip levers, 8- anti-backs
Fastener, the anti-card ejection springs of 9-, the anti-card ejection guide pins of 10-, 14- rocking arm fasteners, 15- rocking arm fastener guide pins, 16- rocking arm cards
Part spring, 17- auxiliary trip lever screws, 18- auxiliary trip lever anchors, 19- soft hanging belts, 23- ratchet shafts, 24- ratchet axle clamps
Piece.
Embodiment
See Fig. 1, Fig. 2, Fig. 3, the adjustable soft bottle supporting device of Fig. 4,500kV transmission lines of electricity V string, including tightener main body 1,
Rocking arm 2 is tightened up, ratchet 3, without oil bearing 4 is given, anticreep R pins 5, anticreep round nut 6, aids in trip lever 7, anti-card ejection 8, anti-back card
Part spring 9, anti-card ejection guide pin 10, installation bolt 11, installation bolt anti-off board 12, anti-off board pilot nail 13, rocking arm fastener
14, rocking arm fastener guide pin 15, rocking arm fastener spring 16, auxiliary trip lever screw 17, auxiliary trip lever anchor 18, soft hanging belt
19, soft hanging belt first 20, arm-tie connector 21, the axis of guide 22, ratchet shaft 23, ratchet shaft intermediate plate 24；
Its attachment structure is：
Tightener main body 1 is installed together with tightening up rocking arm 2 by nothing to oil bearing 4 and ratchet shaft 23, ratchet shaft both sides
Equipped with two ratchets 3, the one end of ratchet shaft 23 is provided with anticreep round nut 6, and the side shaft end of round nut 6 is provided with anticreep R pins 5, spine
The shaft end opposite side of wheel shaft 23 is provided with anticreep round nut 6, and shaft end is provided with auxiliary trip lever 7, and auxiliary trip lever 7 is by aiding in pine
De- bar anchor 18 links together with auxiliary trip lever screw 17, and auxiliary trip lever screw 17 is connected to ratchet shaft with thread forms
On 23 axial directions, tighten up and rocking arm fastener 14 is installed on rocking arm 2, rocking arm fastener guide pin 15 is installed on rocking arm fastener 14, it is another
End is provided with rocking arm fastener spring 16, under the collective effect of rocking arm fastener guide pin 15 and rocking arm fastener spring 16, rocking arm card
The regular translational motion in the rocking arm fastener mounting groove 2-1 in tightening up rocking arm 2 of part 14, anti-card ejection 8 are arranged on tightener main body 1
Anti- card ejection mounting groove 1-1 in, anti-card ejection guide pin 10 is installed, anti-card ejection bottom is provided with anti-on anti-card ejection 8
Card ejection spring 9, anti-card ejection spring 9 are arranged in the anti-card ejection spring mounting hole 1-2 of tightener main body 1, anti-card ejection 8
Regular translational motion, one end of soft hanging belt 19 are done under anti-card ejection spring 9 and anti-card ejection mounting groove 1-1 collective effects
It is wrapped on ratchet shaft 23, ratchet shaft intermediate plate 24 is pressed on soft hanging belt 19, and ratchet shaft intermediate plate 24 is fixed by bolts to ratchet shaft
On 23, soft hanging belt 19 can be wrapped on ratchet shaft as ratchet shaft 23 rotates, so as to adjust the natural segment length of soft hanging belt 19
Degree；
Wherein：Tightener main body 1 is forged using high-strength aluminum alloy, is a same thickness obform body, its top is opened respectively
There is anti-card ejection mounting groove 1-1, anti-card ejection spring mounting hole 1-2, ratchet shaft mounting hole 1-3, bottom is provided with installation bolt and led to
Hole 1-4, installation bolt screwed hole 1-41, anti-off board mounting hole 1-5, off card slot 1-6 is solved, be oriented to axis hole 1-7, anti-back boss 1-8；
Tighten up rocking arm 2 to forge using high-strength aluminum alloy, be a same thickness obform body, be provided with the installation of rocking arm fastener thereon
Groove 2-1, rocking arm fastener spring mounting groove 2-2, no oil supply bearing mounting hole 2-3, cam arc 2-4 composition；
Through hole 21-1, screwed hole 21-2, soft hanging belt head mounting hole 21-3, soft hanging belt head are provided with arm-tie connector 21
20 pass through soft hanging belt head mounting hole 21-3, and soft hanging belt first 20 is clamped one end of soft hanging belt 19, rolled with high-strength filaments
Connection；Installation bolt anti-off board 12 is installed, installation bolt anti-off board 12 is used with anti-off board pilot nail 13 on arm-tie connector 21
Thread forms are arranged on arm-tie connector 21, and installation bolt 11 is kept off in through hole 21-1 by anti-off board 12, is easily installed.
The utility model operating process is：
The first step, tighten up main body 1 and be installed together with tightening up rocking arm 2 by nothing to oil bearing 4 and ratchet shaft 23, ratchet shaft
Both sides are equipped with two ratchets 3, and the one end of ratchet shaft 23 is provided with anticreep garden nuts 6, and the side shaft end of round nut 6 is provided with anticreep R pins
5, the shaft end opposite side of ratchet shaft 23 is provided with anticreep garden nuts 6, and shaft end is provided with auxiliary trip lever 6, and auxiliary trip lever 6 is by auxiliary
Trip lever anchor 18 is helped to be linked together with auxiliary trip lever screw 17, auxiliary trip lever screw 17 is connected to spine with thread forms
On the axial direction of wheel shaft 23, tighten up and rocking arm fastener 14 be installed on rocking arm 2, rocking arm fastener guide pin 15 is installed on rocking arm fastener 14,
The other end is provided with rocking arm fastener spring 16, under the collective effect of rocking arm fastener guide pin 15 and rocking arm fastener spring 16, shakes
The regular translational motion in the rocking arm fastener mounting groove 2-1 in tightening up rocking arm 2 of arm fastener 14, anti-card ejection 8 are arranged on tightener
In the anti-card ejection mounting groove 1-1 of main body 1, anti-card ejection guide pin 10, anti-card ejection bottom installation are installed on anti-card ejection 8
There is anti-card ejection spring 9, anti-card ejection spring 9 is arranged in the anti-card ejection spring mounting hole 1-2 of tightener main body 1, anti-back
Fastener 8 does regular translational motion under anti-card ejection spring 9 and anti-card ejection mounting groove 1-1 collective effects, soft hanging belt 19
On ratchet shaft 23, ratchet shaft intermediate plate 24 is pressed on soft hanging belt 19 one ends wound, and ratchet shaft tabletting 24 is fixed by bolts to spine
On wheel shaft 23, soft hanging belt 19 can be wrapped on ratchet shaft as ratchet shaft 23 rotates, so as to adjust the nature of soft hanging belt 19
Segment length.
Second step, is provided with through hole 21-1 on arm-tie connector 21, screwed hole 21-2, soft hanging belt head mounting hole 21-3, soft
Matter suspender belt first 21 passes through mounting hole 21-3, and soft hanging belt first 21 clamps one end of soft hanging belt 19, and company is rolled with high-strength filaments
Connect.Installation bolt anti-off board 12 is installed, installation bolt anti-off board 12 is used with anti-off board installation bolt 13 in connecting plate connection card 21
Thread forms are arranged on and won in succession in connection card 21, and installation bolt 11 is kept off in through hole 21-1 by anti-off board 12, convenient installation.
3rd step, rotate back and forth tighten up rocking arm 2 counterclockwise, rocking arm fastener 14 promotes the rotate counterclockwise of ratchet 3, drives ratchet
The rotate counterclockwise of axle 23, makes soft hanging belt 19 be wrapped on ratchet shaft 23, reaches the length of the adjustment paragragh of soft hanging belt 19,
Tighten up rocking arm and move tightening up in angle, 1-8 anti-back boss it is spacing under, soft hanging belt 19 can only be tightened up, it is impossible to pine moves back, when
Need to lengthen soft when hanging 19 band nature segment length, push down rocking arm fastener 14 and rotary tightening rocking arm 2 is to solution off card slot 1-6,
Rocking arm fastener 14 is unclamped, the dop of rocking arm fastener 14 is fallen into solution off card slot 1-6, while the cam arc for tightening up rocking arm 2 pushes anti-back open
Fastener 8, make ratchet be in can bidirectional rotation state, drop the paragragh of soft hanging belt 19, can both increase soft hanging belt 19 from
Right segment length, auxiliary trip lever 7 can be also screwed out, rotate auxiliary trip lever 7, soft hanging belt 19 is lengthened paragragh.
Claims (1)
- The adjustable soft bottle supporting device of 1.500kV transmission lines of electricity V strings, it is characterised in that including tightener main body (1), tighten up and shake Arm (2), ratchet (3), without oil bearing (4) is given, anticreep R pins (5), anticreep round nut (6), aid in trip lever (7), anti-card ejection (8), anti-card ejection spring (9), anti-card ejection guide pin (10), installation bolt (11), installation bolt anti-off board (12), anti-off board Pilot nail (13), rocking arm fastener (14), rocking arm fastener guide pin (15), rocking arm fastener spring (16), aid in trip lever screw (17) trip lever anchor (18), soft hanging belt (19), soft hanging belt head (20), arm-tie connector (21), the axis of guide, are aided in (22), ratchet shaft (23), ratchet shaft intermediate plate (24)；Its attachment structure is：Tightener main body (1) is installed together by nothing with tightening up rocking arm (2) to oil bearing (4) with ratchet shaft (23), ratchet shaft Both sides are equipped with two ratchets (3), and ratchet shaft (23) one end is provided with anticreep round nut (6), and shaft end is provided with beside round nut (6) Anticreep R sells (5), and ratchet shaft (23) shaft end opposite side is provided with anticreep round nut (6), and shaft end is provided with auxiliary trip lever (7), auxiliary Trip lever (7) is helped to aid in trip lever spiral shell by aiding in trip lever anchor (18) to be linked together with auxiliary trip lever screw (17) Nail (17) is connected on ratchet shaft (23) axial direction with thread forms, tightens up and rocking arm fastener (14), rocking arm card are provided with rocking arm (2) Rocking arm fastener guide pin (15) is installed, the other end is provided with rocking arm fastener spring (16), is oriented in rocking arm fastener on part (14) Under the collective effect for following closely (15) and rocking arm fastener spring (16), rocking arm fastener peace of the rocking arm fastener (14) in rocking arm (2) is tightened up Regular translational motion in tankage (2-1), anti-card ejection (8) are arranged on the anti-card ejection mounting groove (1-1) of tightener main body (1) In, anti-card ejection guide pin (10) is installed, anti-card ejection bottom is provided with anti-card ejection spring (9), prevents on anti-card ejection (8) Card ejection spring (9) is arranged in the anti-card ejection spring mounting hole (1-2) of tightener main body (1), and anti-card ejection (8) is in anti-back With doing regular translational motion under anti-card ejection mounting groove (1-1) collective effect, one end of soft hanging belt (19) twines fastener spring (9) It is wound on ratchet shaft (23), ratchet shaft intermediate plate (24) is pressed on soft hanging belt (19), and ratchet shaft intermediate plate (24) is fixed by bolts to On ratchet shaft (23), soft hanging belt (19) can be wrapped on ratchet shaft as ratchet shaft (23) rotates, so as to adjust soft hanging belt (19) natural segment length；Wherein：Tightener main body (1) is forged using high-strength aluminum alloy, is a same thickness obform body, its top is provided with respectively Anti- card ejection mounting groove (1-1), anti-card ejection spring mounting hole (1-2), ratchet shaft mounting hole (1-3), bottom is provided with installation spiral shell Bolt throughhole (1-4), installation bolt screwed hole (1-41), anti-off board mounting hole (1-5), solution off card slot (1-6), it is oriented to axis hole (1- 7), anti-back boss (1-8)；Tighten up rocking arm (2) to forge using high-strength aluminum alloy, be a same thickness obform body, be provided with rocking arm fastener mounting groove thereon (2-1), rocking arm fastener spring mounting groove (2-2), no oil supply bearing mounting hole (2-3), cam arc (2-4) composition；It is provided with through hole (21-1) on arm-tie connector (21), screwed hole (21-2), soft hanging belt head mounting hole (21-3) is soft to hang Take the lead (20) and pass through soft hanging belt head mounting hole (21-3), soft hanging belt head (20) clamps one end of soft hanging belt (19), with height Strength filaments roll connection；Installation bolt anti-off board (12), installation bolt anti-off board (12) are installed on arm-tie connector (21) It is arranged on anti-off board pilot nail (13) thread forms on arm-tie connector (21), installation bolt (11) is by anti-off board (12) Gear is easily installed in through hole (21-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720793874.6U CN207010085U (en) | 2017-07-03 | 2017-07-03 | The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720793874.6U CN207010085U (en) | 2017-07-03 | 2017-07-03 | The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010085U true CN207010085U (en) | 2018-02-13 |
Family
ID=61451990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720793874.6U Active CN207010085U (en) | 2017-07-03 | 2017-07-03 | The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000724A (en) * | 2021-02-23 | 2021-06-22 | 河北高速公路集团有限公司青银分公司 | Highway isolated gate barbed wire stretcher |
-
2017
- 2017-07-03 CN CN201720793874.6U patent/CN207010085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000724A (en) * | 2021-02-23 | 2021-06-22 | 河北高速公路集团有限公司青银分公司 | Highway isolated gate barbed wire stretcher |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201853995U (en) | Ratchet wheel tightener | |
| CN206689681U (en) | A kind of damper attaching/detaching apparatus | |
| CN207010085U (en) | The adjustable soft bottle supporting device of 500kV transmission lines of electricity V strings | |
| CN215772266U (en) | Anti-skid pulley device for paying-off and tightening of power line | |
| CN203439873U (en) | Wire tension equalizer used for elevator car | |
| CN103401181A (en) | Universal fixture | |
| CN102064507B (en) | Push-pull device of conductor spacer of overhead wire | |
| CN102886760A (en) | Special tool used for disassembling crankshaft pulley of diesel engine | |
| CN200974742Y (en) | Chain tensioner | |
| CN205377163U (en) | General type 500kV overhead earth wire carries ply -yarn drill utensil | |
| CN201713062U (en) | Fixture for disassembling and assembling conveyer mesh belt in tunnel type sterilizing dryer | |
| CN216819340U (en) | Energy-saving strain clamp | |
| CN201500964U (en) | Tensioning device for disassembling and assembling conveying mesh belt in tunnel sterilization dryer | |
| CN202978098U (en) | Overhead ground wire lifter | |
| CN200985258Y (en) | Adjustable traction device | |
| CN215258246U (en) | Seat type constant force spring hanger | |
| CN102518388B (en) | Climbing ladder special for 500KV composite insulator | |
| CN209642259U (en) | Straight pull strain clamp | |
| CN208071113U (en) | A kind of adaptive four pulleys lift dog | |
| CN210037435U (en) | Inside rope core verifying attachment of wire rope | |
| CN105006772B (en) | Modified G5 turriforms overhead-groundwire lifter, connection gold utensil change device and method | |
| CN206769791U (en) | Transmission line of electricity tightens up the offline bandlet cat ladder of formula certainly | |
| CN209190656U (en) | Auxiliary device of wheel puller | |
| CN108673400A (en) | A kind of working at height bolt anti-rotation shaft device | |
| CN210693260U (en) | Heavy-load single-sheet insulator replacement tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |