CN110155871A - Wall bushing hoisting tooling - Google Patents
Wall bushing hoisting tooling Download PDFInfo
- Publication number
- CN110155871A CN110155871A CN201910340329.5A CN201910340329A CN110155871A CN 110155871 A CN110155871 A CN 110155871A CN 201910340329 A CN201910340329 A CN 201910340329A CN 110155871 A CN110155871 A CN 110155871A
- Authority
- CN
- China
- Prior art keywords
- wall
- supporting leg
- hanger
- hoisting
- wall bushing
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/26—Installations of cables, lines, or separate protective tubing therefor directly on or in walls, ceilings, or floors
- H02G3/263—Installation, e.g. suspension, of conduit channels or other supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention relates to suspender technical fields, provide a kind of wall bushing hoisting tooling, are able to solve the problem of wall connecting flange is easily deformed when carrying out handling wall bushing using suspender in the prior art.Wall bushing hoisting tooling includes left and right hanger and lifting portion；Left and right hanger is equipped with wall flange connection, and wall flange connection is used to be fixed to the wall connecting flange in the middle part of wall bushing；Wall flange connection and lifting portion are staggeredly arranged in the horizontal direction to change the hoisting point position of wall bushing；Attachment beam is equipped between left and right hanger；The above wall flange connection at two is all had on left and right hanger, flange connection arranged for interval up and down everywhere on left and right hanger, for being connected respectively to the top half of wall connecting flange and lower half portion, being connected respectively to the top and bottom of wall connecting flange top half or be connected respectively to the top and bottom of wall connecting flange lower half portion.
Description
Technical field
The present invention relates to suspender technical fields, and in particular to a kind of wall bushing hoisting tooling.
Background technique
Wall bushing is the important component for developing extra-high voltage direct-current transmission in power engineering, when installing wall bushing, is led to
Wall bushing is penetrated in wall frequently with the mode of handling.It is as shown in Figure 1 the signal of handling wall bushing in the prior art
Scheme, wall connecting flange is provided in the middle part of wall bushing, operator is generally connected in operation with the wall of wall bushing 10
Acting flange 11 is used as lifting point, send side from the outer side of wall 20 by wall bushing 10 into wall 20.Due to lifting rope and wall
Connecting flange 11 connects, the center of gravity G of the suspension centre A of wall bushing 10 and wall bushing may not on same vertical direction, so
Operator can increase counterweight 12 on wall bushing 10 to adjust the center of gravity of wall bushing 10, and center of gravity G and suspension centre A is made to be in same
Guarantee the stabilization of handling movement on one vertical direction.But when carrying out counterweight at the scene, calculating process is more complicated, can waste
Plenty of time, and increase counterweight on wall bushing and will increase the overall weight of lifting object, make to lift risk increase.
To solve to lift time-consuming and laborious defect, Authorization Notice No. CN207312932U, authorized announcement date is
2018.05.04 patent document discloses a kind of wall bushing special hanger, the suspender include in structure a left side for mirror symmetry hang
Frame and right hanger, left and right hanger include vertically arranged lifting portion and the connection being laterally arranged that connect with the bottom in lifting portion
Portion is provided on interconnecting piece for the connection through-hole with wall connecting flanged joint, is provided in lifting portion and connect with suspension hook
Through-hole is lifted, after the suspender is installed on wall bushing, the lifting that the position of suspension centre can be made to be moved outwardly to suspender is logical
Kong Shang is not in block suspender belt and influence the problem of lifting efficiency.But there is also some problems for the suspender: on left and right hanger
Interconnecting piece be provided only at one with the connection through-hole of wall connecting flanged joint, with right after the suspender and wall bushing assemble
Lift wall bushing when, wall connecting flange only pass through at one connect through-hole connect with left and right hanger, wall connecting flange by
It will appear the problems in stress collection when torque, to make wall connecting flange easily deform and influence lifting and subsequent and wall
The process of body cooperation, at the same it is also higher to hanger structure intensity requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of wall bushing hoisting toolings, are able to solve in the prior art using suspender
The problem of wall connecting flange is easily deformed when handling wall bushing.
To achieve the above object, the wall bushing hoisting tooling in the present invention adopts the following technical scheme that
Wall bushing hoisting tooling, including left hanger, right hanger and lifting portion；Left hanger and right hanger connect equipped with wall flange
Binding structure, wall flange connection are used to be fixed to the wall connecting flange in the middle part of wall bushing；The wall flange connects
Binding structure and lifting portion are staggeredly arranged in the horizontal direction to change the hoisting point position of wall bushing；Between left hanger, right hanger
Equipped with attachment beam, attachment beam is for connecting left hanger and right hanger；The above wall at two is all had on left hanger and right hanger
Body flange connection, on left hanger everywhere on flange connection and right hanger everywhere in flange connection between the upper and lower
Every arrangement, for being connected respectively to the top half of wall connecting flange and lower half portion, being connected respectively to wall connecting flange
The top and bottom of top half or the top and bottom for being connected respectively to wall connecting flange lower half portion.
The beneficial effect is that: it is provided with two or more connecting wall methods that are used on left hanger and right hanger and connects
Blue connection structure, at the top bottom of wall flange connection and top half, lower half portion or top half, lower half portion
When portion connects, the connecting portion being located remotely from each other more than at two is formed, stress is dispersed, reduces the stress collection on wall connecting flange
In, so that wall bushing be avoided to occur the easily-deformable problem of wall connecting flange in handling.
Further, it is equipped with two on left and right hanger with upper supporting leg, is respectively provided with to form wall method on each supporting leg
The attachment base of flange connection structure.
The beneficial effect is that: between two or more supporting legs can preferably be kept between each wall flange connection
Away from being provided with attachment base on each supporting leg, there is attachment base more stable structure to guarantee two hangers and wall connecting flange
Bonding strength.
Further, the supporting leg on left and right hanger includes straight supporting leg and bending supporting leg, straight supporting leg and bending supporting leg group
It closes so that left and right hanger is in H-shaped.
The beneficial effect is that: it combines to form the left and right hanger of H-shaped using straight supporting leg and bending supporting leg, it is left and right in guarantee
While hanger and wall connecting flange have many places connection structure, bending supporting leg can be supported straight supporting leg, optimization
The force structure of wall bushing hoisting tooling.
Further, attachment beam is provided with two or more along the extending direction of straight supporting leg, including is connected to straight supporting leg
Close to one end of attachment base with bending supporting leg close to the reinforcing beam of one end of attachment base.
The beneficial effect is that: straight supporting leg close to attachment base one end and bending supporting leg close to one end of attachment base it
Between reinforcing beam is set, can be improved the structural strength of hoisting tooling entirety.
Further, the attachment base is plate body structure, and plate body structure is equipped with the spaced apart two column bolt hole in left and right.
The beneficial effect is that: attachment base is plate body structure, is had between plate body structure and wall connecting flange biggish
Contact area guarantees the bonding strength with wall connecting flange, and biggish contact area can also alleviate stress concentration
Situation, so that wall connecting flange be made to be not easy to deform.
Further, it is provided with hoisting beam between the straight supporting leg of left and right hanger, is provided with to form lifting portion on hoisting beam
Hanging ring or suspension hook.
The beneficial effect is that: hoisting beam is set between the straight supporting leg of left and right hanger, lifting is provided on hoisting beam
Portion can either lift wall bushing hoisting tooling using boom, and hoisting beam also improves wall bushing Rigger simultaneously
The structural strength of dress.
Further, the flat of left and right hanger is adjustably arranged in along the extending direction position of straight supporting leg in the hoisting beam
Between allotment leg.
The beneficial effect is that: position of the hoisting beam in wall bushing hoisting tooling is adjustable, can not only make set through walls
Pipe hoisting tooling is adapted to the different wall bushing of more centers of gravity, additionally it is possible to close the position for very easily adjusting suspension centre and center of gravity
System, applicability are higher.
Further, horizontally extending connecting plate is provided on the straight supporting leg of left and right hanger, on connecting plate
Horizontally spaced to be provided with location hole, the both ends of the hoisting beam are provided with wears when hoisting beam is bonded with connecting plate side
Cross the positioning pin of location hole.
The beneficial effect is that: using the form of location hole and detent fit come the position for realizing hoisting beam adjustable, skill
Art is mature, is easy to implement, and location hole and positioning pin have accurate positional relationship during handling, can guarantee handling
Stability and veracity.
Detailed description of the invention
Fig. 1 be in the prior art handling wall bushing when schematic diagram；
Fig. 2 is the schematic perspective view of wall bushing hoisting tooling in the present invention；
Fig. 3 is the top view of wall bushing hoisting tooling in the present invention；
Fig. 4 is the structural schematic diagram of wall connecting flange on wall bushing；
Fig. 5 is schematic diagram when carrying out handling wall bushing using wall bushing hoisting tooling in the present invention.
In figure: 10- wall bushing；11- wall connecting flange；1101- blind hole；1102- butt hole；12- counterweight；20- wall
Body；30- wall bushing hoisting tooling；31- is straight supporting leg；32- bending supporting leg；33- reinforcing beam；34- attachment base；35- diagonal brace；
36- hoisting beam；37- set square；38- connecting plate；39- location hole.
Specific embodiment
The specific embodiment of the wall bushing hoisting tooling in the present invention is illustrated now in conjunction with attached drawing.
It as shown in Figures 2 and 3, is a kind of embodiment of the wall bushing hoisting tooling in invention: wall bushing Rigger
Filling 30 includes left hanger, right hanger and the hoisting beam 36 as attachment beam, is provided with lifting portion on hoisting beam 36.Left hanger and the right side
Hanger mirror symmetry in structure, includes a straight supporting leg 31 and bending supporting leg 32, straight supporting leg 31 and bending supporting leg 32
It combines so that left hanger and right hanger are additionally provided with diagonal brace 35 between straight supporting leg 31 and bending supporting leg 32 in H-shaped to enhance
Integrally-built rigidity, intensity.
It is equipped with the i.e. straight supporting leg 31 of two supporting legs and bending supporting leg 32 on left and right hanger, is respectively equipped with use on each supporting leg
In the attachment base for forming wall flange connection, in the present embodiment, the straight supporting leg 31 of two hangers, 32 bottom of bending supporting leg
It is provided with the attachment base 34 for connecting with the wall connecting flange 11 at 10 middle part of wall bushing, attachment base 34 is used as wall flange
Connection structure is provided on attachment base 34 and is worn for threaded fastener to be spirally connected with wall connecting flange 11 using plate body structure
Fastener perforation, fastener perforation for two column the spaced apart bolts hole in left and right.As shown in figure 4, in wall connecting flange 11
On be respectively set there are two types of connecting hole, one of which is blind hole 1101 corresponding with 34 upper bolt hole of attachment base, and blind hole inner wall is set
It is equipped with screw thread, operator is successively spirally connected with bolt hole, blind hole using screw to connect attachment base 34 and wall connecting flange 11
It picks up and.Another connecting hole on wall connecting flange 11 is the fixed plate realized on wall connecting flange 11 and wall 20
The butt hole 1102 of connection, it is same to pass through butt hole 1102 using fastener wall connecting flange 11 to be fixed on wall 20
Fixed plate on.
Between the straight supporting leg 31 of two hangers, it is provided with hoisting beam 36, the extending direction of hoisting beam 36 and straight supporting leg
31 extending direction is vertical, attachment beam along straight supporting leg 31 extending direction setting there are two, including above-mentioned hoisting beam 36, also
Including being connected to straight supporting leg 31 close to one end of attachment base 34 and the reinforcing beam of the one end of bending supporting leg 32 close to attachment base 34,
Specifically, the side of hoisting beam 36 is provided between the straight supporting leg 31 of two hangers to connect left hanger and right hanger
Reinforcing beam 33, hoisting beam 36 and reinforcing beam 33 are all the attachment beams being arranged between two hangers, and in arrangement shape one in front and one in back
Formula, and attachment base 34 of the hoisting beam 36 also with straight supporting leg 31,32 bottom of bending supporting leg is staggeredly arranged in the horizontal direction, operation
For personnel when using wall bushing hoisting tooling 30, hoisting beam 36 is staggered with attachment base 34 can make the suspension centre position of wall bushing 10
Set change.
Be provided on hoisting beam 36 with the vertically arranged set square 37 in 36 upper surface of hoisting beam, be provided with confession on set square 37
So that set square 37 is as the hanging ring erected on hoisting beam 36, set square 37, which has also been correspondingly formed, to be located at for the perforation that lifting rope passes through
Lifting portion on hoisting beam 36.In order to improve the applicability of hoisting fixture, it is flat that 36 direction position of hoisting beam is adjustably arranged in two
Between allotment leg 31, straight supporting leg 31 is provided with horizontally extending connecting plate 38 far from one end of attachment base 34, connection
It is provided with the location hole 39 of horizontally spaced arrangement on plate 38, is provided in the end of hoisting beam 36 and is inserted into positioning
Positioning pin in hole 39, when the end of hoisting beam 36 is bonded with the side of connecting plate 38, positioning pin can be pierced by location hole 39
To play support positioning action to hoisting beam 36.It is provided with thread segment on positioning pin, is able to use nut to fix hoisting beam
36 with the relative position of connecting plate 38.
Operator using the wall bushing hoisting tooling 30 in the present invention come to wall bushing 10 carry out handling when, first
The position center of gravity G for needing the wall bushing 10 of handling is determined, the cooperation position of hoisting beam 36 and location hole 39 is then selected, makes
Wall bushing 10 suspension centre A and center of gravity G after cooperating with wall bushing hoisting tooling 30 are on same vertical direction.It is worn in assembling
When wall sleeve hoisting tooling 30, first one of them by hoisting beam 36, reinforcing beam 33 and left hanger, right hanger is fixed, then
Another of left hanger, right hanger is being fixed on hoisting beam 36, on reinforcing beam 33, wall bushing hoisting tooling 30 is complete at this time
Make wall bushing Rigger as shown in figure 5, wall bushing 10 is passed through wall bushing hoisting tooling 30 by operator at assembling
The attachment base 34 filled on 30 is correspondingly connected with the top half of wall connecting flange 11 and lower half portion, at this time wall bushing 10 with
There is many places connection relationship, and suspension centre A and center of gravity G are located on same vertical direction between wall bushing hoisting tooling 30.It hangs on a left side
Also there is certain interval between frame, right hanger and reinforcing beam 33, hoisting beam 36 and wall bushing, hung in mobile wall bushing
Tooling 30 is transported the attachment such as insulated umbrella on 10 outer peripheral surface of wall bushing can be avoided when wall bushing 10 being made to pass through wall 20
Skirt etc..
When carrying out handling wall bushing using the wall bushing hoisting tooling in the present invention, the center of gravity G of wall bushing 10 with
Suspension centre A is located on same vertical direction, and the wall connecting flange 11 of wall bushing hoisting tooling 30 and wall bushing 10 has
There is many places connection structure, be not in the case where 11 stress of wall connecting flange is concentrated, avoids the deformation of wall connecting flange 11.
In other embodiments, the attachment base in wall bushing hoisting tooling can be with wall connecting flange top half
Top, bottom connection, need to guarantee at this time wall bushing hoisting tooling on wall connecting flange connecting hole it is corresponding；Meanwhile
Attachment base in wall bushing hoisting tooling can be connect with top, the bottom of wall connecting flange lower half portion, be needed at this time
Guarantee wall bushing hoisting tooling on wall connecting flange connecting hole it is corresponding.
In other embodiments, wall flange connection can also use other structures, such as directly in left and right hanger
Corresponding end-faces on setting threaded fastener perforate, directly hanger and wall connecting flange are connected using threaded fastener
It connects；Or cantilevered leg, stabilizer blade etc. are set on left and right hanger and are spirally connected with wall connecting flange, and be not limited to using attachment base
Form.
In other embodiments, left and right hanger can also use other structures, such as be made using two parallel straight supporting legs
The supporting leg arranged for hanger or twenty percent angle forms hanger, is not limited to the hanger of H-shaped.
In other embodiments, lifting portion can also use other structures, such as be directly provided on left and right hanger with
Lifting rope or the hanging ring or suspension hook of boom cooperation, and be not limited to that the scheme of hoisting beam is arranged between two hangers.
In other embodiments, realize that the adjustable mode in hoisting beam position is not limited to the cooperation of positioning pin and location hole,
Other structures can also be used, such as are provided with long hole on connecting plate, the position of positioning pin and long hole can be certainly on hoisting beam
By adjusting.
Above-described specific embodiment, to goal of the invention of the invention, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit this foregoing is merely a specific embodiment of the invention
The protection scope of invention, all any modification, equivalent substitution, improvement and etc. within the spirit and principles in the present invention, done,
It should be included within protection scope of the present invention.
Claims (8)
1. wall bushing hoisting tooling, including left hanger, right hanger and lifting portion；
Left hanger and right hanger are equipped with wall flange connection, and wall flange connection is used to be fixed in wall bushing
On the wall connecting flange in portion；
The wall flange connection and lifting portion are staggeredly arranged in the horizontal direction to change the hoisting point position of wall bushing；
Attachment beam is equipped between left hanger, right hanger, attachment beam is for connecting left hanger and right hanger；
It is characterized by:
All have the above wall flange connection at two on left hanger and right hanger, on left hanger everywhere in flanged joint
The upper and lower arranged for interval of flange connection everywhere in structure and right hanger, for being connected respectively to wall connecting flange
Half part and lower half portion are connected respectively to the top and bottom of wall connecting flange top half or are connected respectively to wall
The top and bottom of body connecting flange lower half portion.
2. wall bushing hoisting tooling according to claim 1, it is characterised in that: be equipped on left and right hanger two with
Upper supporting leg is respectively provided with the attachment base to form wall flange connection on each supporting leg.
3. wall bushing hoisting tooling according to claim 2, it is characterised in that: the supporting leg on left and right hanger includes flat
Allotment leg and bending supporting leg, straight supporting leg is combined with bending supporting leg so that left and right hanger is in H-shaped.
4. wall bushing hoisting tooling according to claim 3, it is characterised in that: attachment beam is along the extension side of straight supporting leg
To two or more is provided with, including being connected to straight supporting leg close to one end of attachment base and bending supporting leg close to one end of attachment base
Reinforcing beam.
5. wall bushing hoisting tooling according to claim 3, it is characterised in that: the attachment base is plate body structure, plate
Body structure is equipped with the spaced apart two column bolt hole in left and right.
6. the wall bushing hoisting tooling according to any one of claim 3-5, it is characterised in that: left and right hanger is put down
It is provided with hoisting beam between allotment leg, the hanging ring or suspension hook to form lifting portion are provided on hoisting beam.
7. wall bushing hoisting tooling according to claim 6, it is characterised in that: the hoisting beam prolongs along straight supporting leg
Direction position is stretched adjustably to be arranged between the straight supporting leg of left and right hanger.
8. wall bushing hoisting tooling according to claim 7, it is characterised in that: on the straight supporting leg of left and right hanger
It is provided with horizontally extending connecting plate, it is horizontally spaced on connecting plate to be provided with location hole, the hoisting beam
Both ends are provided with the positioning pin when hoisting beam is bonded with connecting plate side across location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340329.5A CN110155871A (en) | 2019-04-25 | 2019-04-25 | Wall bushing hoisting tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340329.5A CN110155871A (en) | 2019-04-25 | 2019-04-25 | Wall bushing hoisting tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110155871A true CN110155871A (en) | 2019-08-23 |
Family
ID=67640035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340329.5A Pending CN110155871A (en) | 2019-04-25 | 2019-04-25 | Wall bushing hoisting tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110155871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091126A (en) * | 2022-06-20 | 2022-09-23 | 成都市萨尼医疗器械有限公司 | Processing technology of low internal stress root canal file |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD289985A5 (en) * | 1989-12-14 | 1991-05-16 | Ve Kombinat Kernkraftwerkw "Bruno Leuschner",De | DEVICE FOR TRANSPORTING PIPES WITH FLANGE |
| WO2012154375A2 (en) * | 2011-05-10 | 2012-11-15 | Scott Kelly W | Apparatus and methods for flange support and alignment |
| US20130264835A1 (en) * | 2012-04-04 | 2013-10-10 | Adam LeBlanc | Universal Flange Lifter Device |
| CN103964297A (en) * | 2014-05-19 | 2014-08-06 | 中国海洋石油总公司 | Flange hoisting device |
| CN106946147A (en) * | 2017-05-17 | 2017-07-14 | 大唐环境产业集团股份有限公司 | A kind of swinging plumbing installation |
| CN207312932U (en) * | 2017-10-27 | 2018-05-04 | 国家电网公司运行分公司宜宾管理处 | A kind of wall bushing special hanger |
| CN108975159A (en) * | 2017-02-10 | 2018-12-11 | 平高集团有限公司 | A kind of horizontal hoisting tooling of potting breaker arc-chutes |
| CN109335954A (en) * | 2018-11-01 | 2019-02-15 | 国网宁夏电力有限公司检修公司 | Valve hall direct-current wall bushing lifting device |
-
2019
- 2019-04-25 CN CN201910340329.5A patent/CN110155871A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD289985A5 (en) * | 1989-12-14 | 1991-05-16 | Ve Kombinat Kernkraftwerkw "Bruno Leuschner",De | DEVICE FOR TRANSPORTING PIPES WITH FLANGE |
| WO2012154375A2 (en) * | 2011-05-10 | 2012-11-15 | Scott Kelly W | Apparatus and methods for flange support and alignment |
| US20130264835A1 (en) * | 2012-04-04 | 2013-10-10 | Adam LeBlanc | Universal Flange Lifter Device |
| CN103964297A (en) * | 2014-05-19 | 2014-08-06 | 中国海洋石油总公司 | Flange hoisting device |
| CN108975159A (en) * | 2017-02-10 | 2018-12-11 | 平高集团有限公司 | A kind of horizontal hoisting tooling of potting breaker arc-chutes |
| CN106946147A (en) * | 2017-05-17 | 2017-07-14 | 大唐环境产业集团股份有限公司 | A kind of swinging plumbing installation |
| CN207312932U (en) * | 2017-10-27 | 2018-05-04 | 国家电网公司运行分公司宜宾管理处 | A kind of wall bushing special hanger |
| CN109335954A (en) * | 2018-11-01 | 2019-02-15 | 国网宁夏电力有限公司检修公司 | Valve hall direct-current wall bushing lifting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091126A (en) * | 2022-06-20 | 2022-09-23 | 成都市萨尼医疗器械有限公司 | Processing technology of low internal stress root canal file |
| CN115091126B (en) * | 2022-06-20 | 2024-03-01 | 成都市萨尼医疗器械有限公司 | Processing technology of low internal stress root canal file |
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Application publication date: 20190823 |