CN111952877B - Mounting tool for mounting and maintaining transformer - Google Patents
Mounting tool for mounting and maintaining transformer Download PDFInfo
- Publication number
- CN111952877B CN111952877B CN202010798980.XA CN202010798980A CN111952877B CN 111952877 B CN111952877 B CN 111952877B CN 202010798980 A CN202010798980 A CN 202010798980A CN 111952877 B CN111952877 B CN 111952877B
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- moving mechanism
- rod
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- 238000009434 installation Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000006978 adaptation Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000011112 process operation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
- H02B1/0523—Mounting on rails locked into position by a sliding member
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
Abstract
The invention discloses an installation tool for installing and maintaining a transformer, which comprises a bottom plate and a rail, wherein the lower surface of the bottom plate is fixedly connected with a moving mechanism, and the bottom plate moves on the rail through the moving mechanism. The invention further provides a prefabricated substation which comprises a substation body, wherein the front side of the substation body is rotatably connected with a split door through a hinge, the left side of the substation body is provided with an inlet and an outlet, and the left side of the substation body is rotatably connected with a side door through a hinge. This an erecting tool for transformer is maintained in installation sets up hand jack and can adjusts the transformer height, sets up moving mechanism and track, makes moving about of transformer more laborsaving, sets up threaded rod and bottom gag lever post, makes the stopper get into spacing downthehole, then rotates the stopper, can realize this erecting tool on the track rigidity to make transformer installation and maintenance process operation simple process, convenience, swift and efficiency are higher.
Description
Technical Field
The invention relates to the technical field of electric power facilities, in particular to an installation tool for installing and maintaining a transformer.
Background
The prefabricated substation is also called a box-type substation. The high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are factory prefabricated indoor and outdoor compact distribution equipment which are integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and are arranged in a steel structure box which is damp-proof, rust-proof, dust-proof, rat-proof, fireproof, anti-theft, heat-insulating, totally-closed and movable. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil power distribution room and power distribution station, and becomes a novel complete set of power transformation and distribution device.
The transformer is characterized in that a high-voltage incoming line cabinet, a high-voltage outgoing line cabinet, a transformer and a low-voltage switch cabinet are arranged in the prefabricated substation, and the transformer is heavy in weight and difficult to carry due to the narrow internal space of the box-type substation, so that an installation tool for installing and maintaining the transformer and a novel prefabricated substation structure are provided.
Disclosure of Invention
The present invention is directed to a mounting tool for mounting and maintaining a transformer, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a mounting tool for mounting and maintaining a transformer comprises a base plate and a track, wherein a moving mechanism is fixedly connected to the lower surface of the base plate, the base plate moves on the track through the moving mechanism, a manual jack is fixedly connected to the upper surface of the base plate, an upper table plate is fixedly connected to the upper surface of the manual jack, a left pushing device and a right pushing device are fixedly connected to the upper surface of the upper table plate, each pushing device is composed of two fixing plates and a driving screw rod, the driving screw rods are rotatably connected to opposite surfaces of the two fixing plates through bearings, the front ends of the driving screw rods penetrate through the fixing plates at the front edge of the upper table plate, a handle rod is fixedly connected to the front surfaces of the fixing plates, driving nut blocks are in threaded connection with the surfaces of the two driving screw rods, and threaded holes matched with the driving screw rods are formed in the front surfaces of the driving nut blocks, the opposite surfaces of the two driving nut blocks are fixedly connected with the same movable bedplate, the lower surface of the movable bedplate is fixedly connected with a plurality of ball rolling rods, two cross blocks are mounted on the right side of the upper bedplate, through holes are formed in the two surfaces of the cross blocks, 7-shaped adjusting rods are inserted into the through holes, the number of the adjusting rods is two, the right ends of the two adjusting rods are fixedly connected with the same push rod, the front surfaces of the cross blocks are in threaded connection with braking jackscrews used for braking the adjusting rods, and a braking assembly used for being connected with a rail is arranged on the surface of the base plate;
the brake assembly includes the threaded rod of threaded connection department at bottom plate upper surface forward position and upper surface back edge, the threaded rod extends to the bottom terminal surface of bottom plate below and has seted up the activity groove, the top fixedly connected with of threaded rod adjusts the horizontal pole, the inside swing joint in activity groove has the bottom gag lever post, the bottom fixedly connected with stopper of bottom gag lever post, spacing hole has been seted up to orbital upper surface, the molding of stopper and the molding adaptation in spacing hole, the activity groove restriction bottom gag lever post can carry out the upper and lower displacement of certain distance, but the bottom gag lever post free rotation.
Preferably, moving mechanism's quantity is four groups, four groups moving mechanism distributes in the four corners department of bottom plate lower surface, every group moving mechanism all comprises mounting panel and gyro wheel, the quantity of mounting panel is two, two the lower surface at the bottom plate is installed to the mounting panel and is kept parallel each other, the gyro wheel is located between two mounting panels, the equal fixedly connected with rolling bearing in front and the back centre of a circle department of gyro wheel, rolling bearing's inner ring fixedly connected with connecting rod, the opposite face fixed connection of connecting rod and two mounting panels, the spacing rolling slot with the track adaptation is seted up on the surface of gyro wheel.
Preferably, the number of the manual jacks is four, the four manual jacks are distributed between the bottom plate and the upper bedplate and located at four corners of the lower surface of the upper bedplate, the manual jacks are all manual hydraulic jacks, a groove is formed in the bottom end of the ball rolling rod, and balls are arranged in the groove.
Preferably, the lower fixed surface of going up the platen is connected with the receiver, the receiver is open-ended box structure in the front, and has placed the jack actuating lever inside, the interior roof and the interior diapire magnetic force of receiver adsorb there is spacing magnetic path.
The prefabricated substation comprises a substation body and a track for installing and maintaining a transformer, wherein the front of the substation body is connected with a split door through a hinge in a rotating manner, an inlet and an outlet are formed in the left side of the substation body, the left side of the substation body is connected with a side door through the hinge in a rotating manner, a middle partition plate is installed on the inner wall of the substation body through a right-angle fixing piece and bolts, the number of the middle partition plate is two, the middle partition plate sequentially divides the inside of the substation body into a high-voltage switch area, a transformer area and a low-voltage switch area from left to right, the inside of the high-voltage switch area is provided with a high-voltage switch cabinet, a transformer base is arranged inside the transformer area, an upper surface of the transformer base is provided with a transformer, and the inside of the low-voltage switch area is provided with a low-voltage switch cabinet.
Preferably, the tracks are arranged on the inner bottom wall of the substation body and located in front of the internal electrical equipment, the number of the tracks is two, and the two tracks are parallel to each other.
Preferably, the top of transformer substation body is provided with the rain-proof top, the left side fixedly connected with weather shield of transformer substation body, weather shield is located the top of side door, the surface of opening the door and side door all is provided with pickproof lock and handle.
The utility model discloses a transformer, including well baffle, transformer district, transformer secondary coil, output line, the well baffle seted up the line hole, the inside in line hole is provided with the protective rubber pipe, the output line of high tension switchgear extends to transformer district and is connected with the primary coil of transformer, the output line that transformer secondary coil connects with extend to low tension switchgear district and low tension switchgear electric connection.
Advantageous effects
The invention provides an installation tool for installing and maintaining a transformer, which has the following beneficial effects:
1. this prepackage type transformer substation, its inside median septum is for can the design of dismantlement formula, during the installation, after having installed inside electrical equipment, install the median septum again, and the bottom of median septum leaves the space with the interior diapire of transformer substation body, the orbital the erects of being convenient for, adopt this mounting tool to carry out the removal of transformer and other large-scale cabinets body in the installation, adopt side door formula framework simultaneously, adopt this mounting tool to shift out this transformer substation body on the track when being convenient for the transformer dismouting, convenient change and maintenance.
2. This an erecting tool for transformer is maintained in installation, can adjust the height of transformer on the platen through setting up manual jack, moving mechanism and track through setting up gyro wheel and mounting panel constitution, it is more laborsaving to make the removal about transformer, through setting up threaded rod and bottom gag lever post, make the stopper can get into the inside in spacing hole, then rotate the stopper, can realize this erecting tool around on the track, control the rigidity, realize the braking, through setting up drive lead screw and ball pole, can realize that the movable platen drives the backward displacement of transformer, it is closer more apart from the transformer base, it is more laborsaving when making the installation, thereby it is simple to make transformer installation and maintenance process operation process, and is convenient, it is swift and efficiency is higher.
Drawings
FIG. 1 is a schematic diagram of the external structure of a substation body according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the substation body according to the present invention;
FIG. 3 is a view showing the installation state of the installation tool of the present invention;
FIG. 4 is an enlarged schematic view of the installation tool of the present invention;
FIG. 5 is a schematic top view of the installation tool of the present invention;
FIG. 6 is a schematic front cross-sectional view of a cue stick of the present invention;
FIG. 7 is a side cross-sectional view of the threaded rod and rail of the installation tool of the present invention;
fig. 8 is a schematic top view of the track of the present invention.
In the figure: 1, 2, 3 manual jacks, 4 upper tables, 5 fixed plates, 6 driving screw rods, 7 handle rods, 8 driving nut blocks, 9 movable tables, 10 ball rolling rods, 11 transverse blocks, 12 adjusting rods, 13 push rods, 14 braking jackscrews, 15 mounting plates, 16 rollers, 17 rotating bearings, 18 connecting rods, 19 limiting rolling grooves, 20 threaded rods, 21 movable grooves, 22 adjusting transverse rods, 23 bottom limiting rods, 24 limiting blocks, 25 limiting holes, 26 storage boxes, 27 jack driving rods, 28 limiting magnetic blocks, 29 split doors, 30 side doors, 31 right-angle fixing pieces, 32 middle partition plates, 33 high-voltage switch cabinets, 34 transformer bases, 35 transformers, 36 low-voltage switch cabinets, 37 rain shelters, 38 rain shelters, 39 protective rubber pipes and 40 transformer substation bodies.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3-8, the present invention provides a technical solution: the utility model provides an erecting tool for installing and maintaining transformer, including bottom plate 1 and track 2, the lower fixed surface of bottom plate 1 is connected with moving mechanism, moving mechanism's quantity is four groups, four groups moving mechanism distribute in the four corners department of bottom plate 1 lower surface, every moving mechanism of group all comprises mounting panel 15 and gyro wheel 16, mounting panel 15's quantity is two, two mounting panels 15 are installed at the lower surface of bottom plate 1 and are kept parallel each other, gyro wheel 16 is located between two mounting panels 15, the equal fixedly connected with rolling bearing 17 in front and the back centre of a circle department of gyro wheel 16, rolling bearing 17's inner ring fixedly connected with connecting rod 18, connecting rod 18 and two mounting panels 15's opposite face fixed connection, spacing rolling slot 19 with track 2 adaptation is seted up on gyro wheel 16's surface.
Two sets of thrust unit about last fixed surface of platen 4 is connected with, every thrust unit of group all comprises two fixed plates 5 and drive lead screw 6, drive lead screw 6 passes through the bearing and rotates the opposite face of connecting at two fixed plates 5, the front end of drive lead screw 6 runs through the fixed plate 5 that is located 4 forward positions of last platen department, and extend to the positive fixedly connected with handle bar 7 of fixed plate 5, the equal threaded connection in surface of two drive lead screws 6 has drive nut piece 8, the screw hole with the 6 adaptations of drive lead screw is seted up in the front of drive nut piece 8, the same movable platen 9 of opposite face fixedly connected with of two drive nut pieces 8, a plurality of ball pole 10 of lower fixed surface of movable platen 9, the recess has been seted up to ball pole 10's bottom, the inside of recess is provided with the ball.
Two horizontal blocks 11 are installed on the right side of the upper bedplate 4, through holes are formed in two surfaces of the horizontal blocks 11, 7-shaped adjusting rods 12 are inserted into the through holes, the number of the adjusting rods 12 is two, the right ends of the two adjusting rods 12 are fixedly connected with a same push rod 13, and the front face of each horizontal block 11 is in threaded connection with a brake jackscrew 14 used for braking the adjusting rods 12.
The surface of bottom plate 1 is provided with the brake assembly who is used for being connected with track 2, brake assembly includes threaded rod 20 of threaded connection at 1 upper surface forward edge of bottom plate and upper surface back edge department, threaded rod 20 extends to the bottom terminal surface of 1 below of bottom plate and has seted up movable groove 21, threaded rod 20's top fixedly connected with adjusts horizontal pole 22, the inside swing joint of movable groove 21 has bottom gag lever post 23, the bottom fixedly connected with stopper 24 of bottom gag lever post 23, spacing hole 25 has been seted up to track 2's upper surface, stopper 24 the molding and spacing hole 25's molding adaptation, movable groove 21 restricts bottom gag lever post 23 and can carry out the upper and lower displacement of certain distance, bottom gag lever post 23 can free rotation.
This an erecting tool for transformer is maintained in installation, can adjust the height of transformer 35 on platen 4 through setting up manual jack 3, moving mechanism and track 2 through setting up gyro wheel 16 and mounting panel 15 constitution, it is more laborsaving to make the removal about transformer 35, through setting up threaded rod 20 and bottom gag lever post 23, make stopper 24 can get into spacing hole 25's inside, then rotate stopper 24, can realize the front and back of this erecting tool on track 2, control the rigidity, realize the braking, through setting up drive lead screw 14 and ball pole 10, can realize that movable platen 9 drives transformer 35 and shift backward, it is more close apart from transformer base 34, it is more laborsaving during messenger's installation, thereby make transformer 35 installation and maintenance process operation simple, and convenient, and swift and efficiency are higher.
Referring to fig. 1-2, the present invention further provides a technical solution: prepackage type transformer substation, including transformer substation body 40 and the track 2 that is used for installing the maintenance transformer, track 2 installs in transformer substation body 40's inner diapire, and be located inside electrical equipment's the place ahead, track 2 is two for quantity, two track 2 are parallel to each other, transformer substation body 40's front has the door 29 that runs from opposite directions through hinge swivelling joint, transformer substation body 40's left side has been seted up and has been imported and exported, transformer substation body 40's left side has side door 30 through hinge swivelling joint, transformer substation body 40's top is provided with rain-proof top 37, transformer substation body 40's left side fixedly connected with weather shield 38, weather shield 38 is located the top of side door 30, the surface of running from opposite directions door 29 and side door 30 all is provided with pickproof lock and handle.
The intermediate bottom 32 is installed through right angle mounting 31 and bolt to the inner wall of transformer substation body 40, the quantity of intermediate bottom 32 is two, two intermediate bottom 32 cut apart into the high tension switchgear district from left to right in proper order with the inside of transformer substation body 40, transformer district and low tension switchgear district, the inside in high tension switchgear district is provided with high tension switchgear 33, the inside in transformer district is provided with transformer base 34, the last surface mounting in transformer base 34 has transformer 35, the inside in low tension switchgear district is provided with low tension switchgear 36, the line hole has been seted up of intermediate bottom 32, the inside in line hole is provided with protective rubber tube 39, the output line of high tension switchgear 33 extends to transformer district and is connected with the primary coil of transformer 35, the output line that transformer 35 secondary coil connected with extend to low tension switchgear district and low tension switchgear 36 electric connection.
This inside median septum 32 of prepackage type transformer substation, for can the design of dismantlement formula, during the installation, after having installed inside electrical equipment, install median septum 32 again, and the bottom of median septum 32 leaves the space with the interior diapire of transformer substation body 40, be convenient for erect of track 2, adopt this mounting tool to carry out the removal of transformer 35 and other large-scale cabinets body in the installation, adopt side door formula framework simultaneously, adopt this mounting tool lateral displacement on track 2 when being convenient for transformer 35 dismouting, be convenient for shift out this transformer substation body 40, convenient change and maintenance.
The working principle is as follows: when installing the power converter 35 into the interior of the prefabricated substation using the installation tool, the side door 30 is first opened, the installation tool is placed on the rail 2 using the rollers 16, the power converter 35 is installed on the movable deck 9, the height of the transformer 35 is adjusted by the manual jack 3 according to the height of the transformer base 34, then the mounting tool is pushed to move rightwards to push the mounting tool to the front of the base 34 of the electric converter, then the threaded rod 20 is rotated to enable the limiting block 24 to be inserted into the limiting hole 25, the limiting block 24 is continuously rotated to be staggered with the limiting hole 25, then the handle rod 7 is rotated to lead the power converter 35 to be driven by the movable bedplate 9 to move backwards and to be closer to the power converter base 34, then the converter is driven to the converter base 34, and after the installation work of the converter 35 and other cabinets is completed, the installation tool is moved out, and the middle partition plate 32 is installed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An installation tool for installing a maintenance transformer, comprising a base plate (1) and a rail (2), characterized in that: the lower surface of the bottom plate (1) is fixedly connected with a moving mechanism, the bottom plate (1) moves on a track (2) through the moving mechanism, the upper surface of the bottom plate (1) is fixedly connected with a manual jack (3), the upper surface of the manual jack (3) is fixedly connected with an upper bedplate (4), the upper surface of the upper bedplate (4) is fixedly connected with a left pushing device and a right pushing device, each pushing device is composed of two fixing plates (5) and a driving screw rod (6), the driving screw rods (6) are rotatably connected to opposite surfaces of the two fixing plates (5) through bearings, the front ends of the driving screw rods (6) penetrate through the fixing plates (5) at the front edge of the upper bedplate (4) and extend to the front surfaces of the fixing plates (5) to be fixedly connected with handle rods (7), and driving nut blocks (8) are in threaded connection with the surfaces of the two driving screw rods (6), the front surface of the driving nut block (8) is provided with a threaded hole matched with the driving screw rod (6), the opposite surfaces of the two driving nut blocks (8) are fixedly connected with a same movable bedplate (9), the lower surface of the movable bedplate (9) is fixedly connected with a plurality of ball rolling rods (10), two transverse blocks (11) are arranged on the right side of the upper bedplate (4), through holes are arranged on both surfaces of the transverse blocks (11), 7-shaped adjusting rods (12) are inserted into the through holes, the number of the adjusting rods (12) is two, the right ends of the two adjusting rods (12) are fixedly connected with the same push rod (13), the front surface of the transverse block (11) is in threaded connection with a brake jackscrew (14) used for braking the adjusting rod (12), the surface of the bottom plate (1) is provided with a braking component used for being connected with a track (2);
the brake assembly includes threaded rod (20) of threaded connection department at bottom plate (1) upper surface leading edge and upper surface back edge, movable groove (21) have been seted up to the bottom terminal surface that threaded rod (20) extended to bottom plate (1) below, top fixedly connected with regulation horizontal pole (22) of threaded rod (20), the inside swing joint of activity groove (21) has bottom gag lever post (23), the bottom fixedly connected with stopper (24) of bottom gag lever post (23), spacing hole (25) have been seted up to the upper surface of track (2), the molding of stopper (24) and the molding adaptation of spacing hole (25), movable groove (21) restrict bottom gag lever post (23) and carry out the upper and lower displacement of certain distance, but bottom gag lever post (23) free rotation.
2. An installation tool for installing a service transformer according to claim 1, wherein: moving mechanism's quantity is four groups, four groups moving mechanism distributes in the four corners department of bottom plate (1) lower surface, every group moving mechanism all comprises mounting panel (15) and gyro wheel (16), the quantity of mounting panel (15) is two, two the lower surface at bottom plate (1) and keep parallel each other in mounting panel (15), gyro wheel (16) are located between two mounting panel (15), the equal fixedly connected with rolling bearing (17) of front and the back centre of a circle department of gyro wheel (16), the inner ring fixedly connected with connecting rod (18) of rolling bearing (17), the opposite face fixed connection of connecting rod (18) and two mounting panel (15), spacing raceway (19) with track (2) adaptation are seted up on the surface of gyro wheel (16).
3. An installation tool for installing a service transformer according to claim 1, wherein: the number of the manual jacks (3) is four, the four manual jacks (3) are distributed between the bottom plate (1) and the upper bedplate (4) and located at four corners of the lower surface of the upper bedplate (4), the manual jacks (3) are all manual hydraulic jacks, a groove is formed in the bottom end of the ball rolling rod (10), and balls are arranged inside the groove.
4. An installation tool for installing a service transformer according to claim 1, wherein: the lower surface of the upper bedplate (4) is fixedly connected with a storage box (26), the storage box (26) is of a box body structure with a front opening, a jack driving rod (27) is placed inside the storage box, and limiting magnetic blocks (28) are attracted by the magnetic force of the inner top wall and the inner bottom wall of the storage box (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798980.XA CN111952877B (en) | 2020-08-11 | 2020-08-11 | Mounting tool for mounting and maintaining transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798980.XA CN111952877B (en) | 2020-08-11 | 2020-08-11 | Mounting tool for mounting and maintaining transformer |
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| Publication Number | Publication Date |
|---|---|
| CN111952877A CN111952877A (en) | 2020-11-17 |
| CN111952877B true CN111952877B (en) | 2022-03-01 |
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| CN202010798980.XA Active CN111952877B (en) | 2020-08-11 | 2020-08-11 | Mounting tool for mounting and maintaining transformer |
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| CN207038286U (en) * | 2017-06-02 | 2018-02-23 | 临汾汾能电力科技试验有限公司 | A kind of power transformation station local coordinate frame handling device |
| CN209516434U (en) * | 2019-03-29 | 2019-10-18 | 黄石久丰智能机电有限公司 | A kind of installation tool and preassembled transformer station for installation maintenance transformer |
| CN209929823U (en) * | 2019-06-03 | 2020-01-10 | 江西精朗智能科技有限公司 | Box-type substation adopting metering ring main unit |
| CN210610029U (en) * | 2019-10-11 | 2020-05-22 | 广州高谱技术有限公司 | Digital twin industrial control device |
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| CN111952877A (en) | 2020-11-17 |
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