CN107504343A - Stand transformer base leveling device - Google Patents
Stand transformer base leveling device Download PDFInfo
- Publication number
- CN107504343A CN107504343A CN201710686282.9A CN201710686282A CN107504343A CN 107504343 A CN107504343 A CN 107504343A CN 201710686282 A CN201710686282 A CN 201710686282A CN 107504343 A CN107504343 A CN 107504343A
- Authority
- CN
- China
- Prior art keywords
- support
- leveling device
- cross
- expansion link
- transformer base
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The present invention relates to stand transformer base leveling device, including support, the top of support is provided with cross-arm position-limit mechanism, the adjustable setting in position in the horizontal direction of support of cross-arm position-limit mechanism, the bottom of support is provided with arrangement for adjusting height, and arrangement for adjusting height includes expansion link and motor-driven jack, and the top of expansion link is connected with support, the bottom of expansion link is connected with the piston rod of motor-driven jack, and 220V/380V power supplys are connected with motor-driven jack；Advantages of the present invention：The fast positioning of cross-arm is realized by cross-arm position-limit mechanism, and height regulation is carried out to support by arrangement for adjusting height, the sedimentation realized to stand of energy express delivery, which tilts, to be adjusted, changing in the past must be first to line outage, the cumbersome flow that the huge tools such as crane are flattened to tilting transformer on bar, the work such as raise is reused, operating efficiency is improved, ensure that power supply reliability, labor intensity is significantly reduced, improves working efficiency.
Description
Technical field
The present invention relates to stand transformer base leveling device.
Background technology
In recent years, due to bench type distribution transformer installation and operation it is easy to maintenance the characteristics of, the upgrading of rural power grids is during upgrading newly-increased
Or change distribution transforming and more select bench type equipment.As outdoor bench type transformer is more and more, bench type transformer is always
Existing settlement issues all the more highlight, and have had a strong impact on distribution safe and stable operation.
The mode that bench type transformer settles at present is broadly divided into two kinds：1st, electric pole is subjected to displacement with respect to ground；
2nd, cross-arm is subjected to displacement with respect to electric pole.Both of which can cause position resolver to change, and trigger many safety problems,
Influence power supply reliability.
In day-to-day operation equipment management work, we are right at present on the basis of strengthening bench type transformer equipment and making an inspection tour
There are two kinds in the conventional treatment mode of bench type transformer settlement issues：1st, transformer is sling using crane, re-secures cross-arm
Screw；2nd, transformer is sling using turnbuckle, re-secures cross-arm screw；Both modes require higher to manpower and materials, and
Subsidence style is cumbersome, and labor intensive material resources are huge, it is difficult to tackle bench type transformer rapid growth bring it is increasing
Transformer settlement issues.
The content of the invention
The technical problem to be solved in the present invention is just to provide stand transformer base leveling device, solves existing sedimentation
The problem of transformer is wasted time and energy when adjusting.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：Stand transformer base water
Heibei provincial opera engagement positions, including support, the top of support are provided with cross-arm position-limit mechanism, and cross-arm position-limit mechanism is in the horizontal direction of support
Setting that position is adjustable, the bottom of support are provided with arrangement for adjusting height, and arrangement for adjusting height includes expansion link and motor-driven jack, stretched
The top of contracting bar is connected with support, and the bottom of expansion link is connected with the piston rod of motor-driven jack, is connected with motor-driven jack
220V/380V power supplys.
Preferably, support includes horizontal part and vertical portion, and the top of vertical portion is arranged on the center of horizontal part, vertical portion
Bottom is connected with the top of expansion link, and cross-arm position-limit mechanism is arranged on horizontal part, and connection is reliable, easy installation and removal, can be real
The overall height adjustment of existing support.
Preferably, vertical portion is provided with the reinforcement in support level portion, improves the support strength of horizontal part, reduces horizontal
The damage in portion, service life is improved, improve security performance when using.
Preferably, cross-arm position-limit mechanism includes micro-adjusting mechanism and the location-plate being arranged on micro-adjusting mechanism, is set on location-plate
There is the stopper slot of fixed cross-arm, micro-adjusting mechanism position on horizontal part is adjustable, realizes location-plate in horizontal part by micro-adjusting mechanism
On position it is adjustable, easy to adjust, installing/dismounting is quick, can quickly adjust the position of location-plate according to the demand at scene, spacing
Groove can realize the fast positioning of cross-arm, avoid cross-arm during adjustment from producing vibration, improve security performance during adjustment,
Preferably, horizontal part is provided with horizontal groove, and the vertical direction of horizontal part is provided with the bar communicated with horizontal groove
Shape hole, micro-adjusting mechanism are arranged in bar hole, can realize the Fast Installation dismounting of micro-adjusting mechanism, connection is reliably.
Preferably, micro-adjusting mechanism includes stud, locked spacer and nut, and the top of stud is fixedly connected on location-plate,
The bottom of stud is passed through after horizontal part by nut check, locked spacer is arranged on stud and locked spacer be arranged on it is horizontal logical
In groove, connection is reliable, the setting of locked spacer, can reduce the loosening of stud, improve the bonding strength of micro-adjusting mechanism, so as to ensure
The support strength of cross-arm position-limit mechanism, it is avoided that cross-arm position-limit mechanism produces deviation, is advantageous to the fast positioning of cross-arm.
Preferably, expansion link includes upper support tube, lower support tube and latch, and lower support tube is set on support tube, on
The fixing hole of Fixed latches is equipped with support tube and lower support tube, easy to adjust, connection is reliable, can guarantee that the steady of expansion link
Property, improve the support strength of expansion link.
Preferably, battery is also associated with motor-driven jack, motor-driven jack in the case that the scene that can guarantee that has a power failure
Normal operation, improve the practicality at scene.
Preferably, battery and motor-driven jack improve the portability of device, carrying side into separate type structure setting
Just, the damage of battery is reduced.
In summary, advantages of the present invention：1. realizing the fast positioning of cross-arm by cross-arm position-limit mechanism, and pass through height
Adjusting means carries out height regulation to support, and the sedimentation realized to stand of energy express delivery, which tilts, to be adjusted, and is changed in the past
It must reuse the huge tools such as crane first to line outage and the cumbersome of work such as flattened, raised to tilting transformer on bar
Flow, operating efficiency is improved, ensure that power supply reliability, significantly reduce labor intensity, improve working efficiency, Er Qieke
, labor intensive material resources big the shortcomings that high using the requirement of crane, operation existing for turnbuckle is taken；
2. it is adjustable that cross-arm position-limit mechanism is arranged in the horizontal direction of support to position, can be according to different distribution transformers
Cross-arm position in stand is accurately adjusted, and improves practical performance；
3. arrangement for adjusting height is arranged to the structure of expansion link and motor-driven jack, can be according to the platform of live different height
The height of the flexible adjusting height adjusting means of rack position energy, improves operating efficiency, realizes and precisely adjusts, reduces manpower, material resources and financial resources
Input, it is cost-effective, add the popularity of live practical application；The setting of motor-driven jack is manually operated without personnel, i.e.,
It can be achieved fast and accurately to adjust, reduce personnel to greatest extent and step on the security risk that bar operation is brought, and motor-driven jack is adjusted
It is controllable to save speed, precisely regulation can be realized；
4.220V/380V power supplys realize the power supply to motor-driven jack, can realize live quickly assembling, ensure power supply
Stability, the structure of integral electric jack is optimized, improve the portability of device, it is easy to carry.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of stand transformer base leveling device of the present invention；
Fig. 2 is the partial enlarged drawing of I in Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, stand transformer base leveling device, including support 1, the top of support 1 are provided with horizontal stroke
Position-limit mechanism 2, the adjustable setting in position in the horizontal direction of support 1 of cross-arm position-limit mechanism 2 are carried on a shoulder pole, the bottom of support 1 is provided with height
Adjusting means 3, arrangement for adjusting height 3 include expansion link 4 and motor-driven jack 5, and the top of expansion link 4 is connected with support 1, stretch
The bottom of bar 4 is connected with the piston rod of motor-driven jack 5, and 220V/380V power supplys 6 are connected with motor-driven jack 5.
Support 1 includes horizontal part 11 and vertical portion 12, and the top of vertical portion 12 is arranged on the center of horizontal part 11, vertical portion
12 bottom is connected with the top of expansion link 4, and cross-arm position-limit mechanism 2 is arranged on horizontal part 11, and connection is reliable, installing/dismounting side
Just, the overall height adjustment of support can be realized, vertical portion 12 is provided with the reinforcement 13 in support level portion 11, improves horizontal part
Support strength, reduce the damage of horizontal part, improve service life, improve security performance when using.
Cross-arm position-limit mechanism 2 includes micro-adjusting mechanism 21 and the location-plate 22 that is arranged on micro-adjusting mechanism 21, on location-plate 22
Stopper slot 23 provided with fixed cross-arm, the position on horizontal part 11 of micro-adjusting mechanism 21 is adjustable, and location-plate is realized by micro-adjusting mechanism
Position on horizontal part is adjustable, easy to adjust, and installing/dismounting is quick, and the position of location-plate can be quickly adjusted according to the demand at scene
Put, stopper slot can realize the fast positioning of cross-arm, avoid cross-arm during adjustment from producing vibration, improve security performance during adjustment.
Horizontal part 11 is provided with horizontal groove 14, and the vertical direction of horizontal part 11 is provided with the bar communicated with horizontal groove 14
Shape hole 15, micro-adjusting mechanism 21 are arranged in bar hole 15, can realize the Fast Installation dismounting of micro-adjusting mechanism, connection is reliable, fine setting
Mechanism 21 includes stud 24, locked spacer 25 and nut 26, and the top of stud 24 is fixedly connected on location-plate 22, stud 24
Bottom is locked after passing through horizontal part 11 by nut 26, and locked spacer 25 is arranged on stud 24 and locked spacer 24 is arranged on water
In flat groove 14, connection is reliable, the setting of locked spacer, can reduce the loosening of stud, improve the bonding strength of micro-adjusting mechanism, from
And ensure the support strength of cross-arm position-limit mechanism, it is avoided that cross-arm position-limit mechanism produces deviation, is advantageous to the fast positioning of cross-arm.
Expansion link 4 includes upper support tube 41, lower support tube 42 and latch 43, and lower support tube 42 is set in support tube 41
On, the fixing hole 44 of Fixed latches 43 is equipped with upper support tube 41 and lower support tube 42, easy to adjust, connection is reliable, can protect
The stationarity of expansion link is demonstrate,proved, improves the support strength of expansion link.
Battery 7 is also associated with motor-driven jack 5, the normal fortune of motor-driven jack in the case that the scene that can guarantee that has a power failure
OK, improve the practicality at scene, the motor-driven jack in the present embodiment use stroke as 200mm, maximum capacity for 50T electricity
Hydrodynamic pressure jack, makes it meet the adjustment demand of stand, and battery 7, into separate type structure setting, improves with motor-driven jack 5
The portability of device, it is easy to carry, reduce the damage of battery.
In use, adjusting 2 position on support 1 of cross-arm position-limit mechanism according to the actual conditions at scene, make location-plate 22
On stopper slot 23 can fast and accurately be directed at the cross-arm of stand transformer base, then according to the installation position of stand transformer
Put, the height of adjustable telescopic rod 4, then by the 220V/380V plant-grid connections motor-driven jack 5 at transformer, make electronic thousand
The work of jin top 5 is so as to jack up the inclined stand of sedimentation, it is achieved thereby that the quick adjustment of sedimentation tilted gantry, improves work effect
Rate, during regulation, when civil power has a power failure, electricity can be accessed by battery 7 by adjusting the governing speed of motor-driven jack
On dynamic jack 5, ensure the continuous-stable of work.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (9)
1. stand transformer base leveling device, it is characterised in that:Including support (1), the top of support (1) is provided with cross-arm
Position-limit mechanism (2), cross-arm position-limit mechanism (2) adjustable setting in position in the horizontal direction of support (1), the bottom of support (1) is set
There is arrangement for adjusting height (3), arrangement for adjusting height (3) includes expansion link (4) and motor-driven jack (5), the top of expansion link (4)
It is connected with support (1), the bottom of expansion link (4) is connected with the piston rod of motor-driven jack (5), and motor-driven jack connects on (5)
There are 220V/380V power supplys (6).
2. stand transformer base leveling device according to claim 1, it is characterised in that：Support (1) includes water
Flat portion (11) and vertical portion (12), the top of vertical portion (12) are arranged on the center of horizontal part (11), the bottom of vertical portion (12)
It is connected with the top of expansion link (4), cross-arm position-limit mechanism (2) is arranged on horizontal part (11).
3. stand transformer base leveling device according to claim 2, it is characterised in that：Vertical portion is set on (12)
There is the reinforcement (13) of support level portion (11).
4. stand transformer base leveling device according to claim 2, it is characterised in that：Cross-arm position-limit mechanism
(2) micro-adjusting mechanism (21) and the location-plate (22) being arranged on micro-adjusting mechanism (21) are included, location-plate (22) is provided with fixed horizontal
The stopper slot (23) of load, micro-adjusting mechanism (21) position on horizontal part (11) is adjustable.
5. stand transformer base leveling device according to claim 4, it is characterised in that：Horizontal part is set on (11)
There is horizontal groove (14), the vertical direction of horizontal part (11) is provided with the bar hole (15) communicated with horizontal groove (14), fine setting
Mechanism (21) is arranged in bar hole (15).
6. stand transformer base leveling device according to claim 5, it is characterised in that：Micro-adjusting mechanism (21) wraps
Stud (24), locked spacer (25) and nut (26) are included, the top of stud (24) is fixedly connected on location-plate (22), stud
(24) bottom is locked after passing through horizontal part (11) by nut (26), and locked spacer (25) is arranged on stud (24) and stop
Pad (24) is arranged in horizontal groove (14).
7. stand transformer base leveling device according to claim 1, it is characterised in that：Expansion link (4) includes
Upper support tube (41), lower support tube (42) and latch (43), lower support tube (42) are set on support tube (41), upper support tube
(41) and on lower support tube (42) it is equipped with the fixing hole (44) of Fixed latches (43).
8. stand transformer base leveling device according to claim 1, it is characterised in that：Motor-driven jack (5)
On be also associated with battery (7).
9. stand transformer base leveling device according to claim 8, it is characterised in that：Battery (7) and electricity
Jack (5) is moved into separate type structure setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686282.9A CN107504343A (en) | 2017-08-11 | 2017-08-11 | Stand transformer base leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686282.9A CN107504343A (en) | 2017-08-11 | 2017-08-11 | Stand transformer base leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504343A true CN107504343A (en) | 2017-12-22 |
Family
ID=60690732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710686282.9A Pending CN107504343A (en) | 2017-08-11 | 2017-08-11 | Stand transformer base leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504343A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676022A (en) * | 2019-10-30 | 2020-01-10 | 许继集团有限公司 | Pole-mounted transformer mounting bracket and transformer mounting structure |
| CN112362751A (en) * | 2020-09-25 | 2021-02-12 | 国网山东省电力公司滨州市沾化区供电公司 | Online monitoring method and system for power transformation framework |
| CN112479090A (en) * | 2020-11-26 | 2021-03-12 | 国网山东省电力公司平阴县供电公司 | Frame stability adjusting device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1019955A (en) * | 1973-04-16 | 1977-11-01 | Emhart Industries | Glass feeder tube operating mechanism |
| JPH101971A (en) * | 1996-06-17 | 1998-01-06 | Sumitomo Constr Mach Co Ltd | Drum supporter for cable-laying machine |
| CN201215873Y (en) * | 2008-04-29 | 2009-04-01 | 彩虹彩色显像管总厂 | Middle terminal supporting rack for high-voltage electric cable |
| CN201937192U (en) * | 2010-12-27 | 2011-08-17 | 河南省电力公司商丘供电公司 | Power disconnector operating mechanism mounting tool |
| CN102774784A (en) * | 2012-08-20 | 2012-11-14 | 慈溪市供电局 | Pole transformer rack tilt regulator |
| CN103803446A (en) * | 2012-11-15 | 2014-05-21 | 国家电网公司 | Supporting device |
| CN203865989U (en) * | 2014-05-12 | 2014-10-08 | 国家电网公司 | Special JP cabinet cross arm lifting support frame for transformer rack |
| CN105375391A (en) * | 2015-12-07 | 2016-03-02 | 国家电网公司 | Automatic elevation type temporary cross arm |
| CN106159797A (en) * | 2016-08-16 | 2016-11-23 | 国家电网公司 | A kind of optical cable work high above the ground operation device |
| CN106463938A (en) * | 2014-01-20 | 2017-02-22 | 曙光电子通讯工程（株） | Power distribution facility live-line working method |
| CN207034573U (en) * | 2017-08-11 | 2018-02-23 | 国网浙江台州市黄岩区供电公司 | Stand transformer base leveling device |
-
2017
- 2017-08-11 CN CN201710686282.9A patent/CN107504343A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1019955A (en) * | 1973-04-16 | 1977-11-01 | Emhart Industries | Glass feeder tube operating mechanism |
| JPH101971A (en) * | 1996-06-17 | 1998-01-06 | Sumitomo Constr Mach Co Ltd | Drum supporter for cable-laying machine |
| CN201215873Y (en) * | 2008-04-29 | 2009-04-01 | 彩虹彩色显像管总厂 | Middle terminal supporting rack for high-voltage electric cable |
| CN201937192U (en) * | 2010-12-27 | 2011-08-17 | 河南省电力公司商丘供电公司 | Power disconnector operating mechanism mounting tool |
| CN102774784A (en) * | 2012-08-20 | 2012-11-14 | 慈溪市供电局 | Pole transformer rack tilt regulator |
| CN103803446A (en) * | 2012-11-15 | 2014-05-21 | 国家电网公司 | Supporting device |
| CN106463938A (en) * | 2014-01-20 | 2017-02-22 | 曙光电子通讯工程（株） | Power distribution facility live-line working method |
| CN203865989U (en) * | 2014-05-12 | 2014-10-08 | 国家电网公司 | Special JP cabinet cross arm lifting support frame for transformer rack |
| CN105375391A (en) * | 2015-12-07 | 2016-03-02 | 国家电网公司 | Automatic elevation type temporary cross arm |
| CN106159797A (en) * | 2016-08-16 | 2016-11-23 | 国家电网公司 | A kind of optical cable work high above the ground operation device |
| CN207034573U (en) * | 2017-08-11 | 2018-02-23 | 国网浙江台州市黄岩区供电公司 | Stand transformer base leveling device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676022A (en) * | 2019-10-30 | 2020-01-10 | 许继集团有限公司 | Pole-mounted transformer mounting bracket and transformer mounting structure |
| CN110676022B (en) * | 2019-10-30 | 2020-10-30 | 许继集团有限公司 | Pole-mounted transformer mounting bracket and transformer mounting structure |
| CN112362751A (en) * | 2020-09-25 | 2021-02-12 | 国网山东省电力公司滨州市沾化区供电公司 | Online monitoring method and system for power transformation framework |
| CN112479090A (en) * | 2020-11-26 | 2021-03-12 | 国网山东省电力公司平阴县供电公司 | Frame stability adjusting device |
| CN112479090B (en) * | 2020-11-26 | 2022-06-14 | 国网山东省电力公司平阴县供电公司 | Frame stability adjusting device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |
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| RJ01 | Rejection of invention patent application after publication |