CN112435841A - Production and assembly process of power transformer - Google Patents
Production and assembly process of power transformer Download PDFInfo
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- CN112435841A CN112435841A CN202011268952.3A CN202011268952A CN112435841A CN 112435841 A CN112435841 A CN 112435841A CN 202011268952 A CN202011268952 A CN 202011268952A CN 112435841 A CN112435841 A CN 112435841A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a power transformer production and assembly process, which adopts the following production and assembly equipment, wherein the production and assembly equipment comprises an installation frame, a lifting device, a main body clamp and a positioning device. The process for the power transformer production and assembly equipment by adopting the power transformer production and assembly equipment comprises the following steps: s1, positioning the transformer main body; s2, hoisting the transformer main body; s3, positioning the transformer shell; and S4, mounting the transformer main body. The invention has stable structure, can greatly reduce the shaking in the process of hoisting and assembling the main body part of the transformer, and can accurately assemble the main body part of the transformer into the shell of the transformer, thereby greatly improving the assembly quality and effectively improving the working efficiency.
Description
Technical Field
The invention relates to the technical field of transformer production, in particular to a power transformer production and assembly process.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer for special purposes comprises a furnace transformer for smelting, an electric welding transformer, a rectifier transformer for electrolysis, a small-sized regulating transformer and the like. As a key device of the power system, the safe operation of the transformer provides necessary guarantee for the stable operation of the power system. The transformer is an important device for power supply, and is a core device in the power system, which is responsible for normal and stable operation of the power system, regardless of power distribution or power transmission. Before the electric energy is delivered to users, the electric energy needs to be transformed and stabilized by a transformer, and then the users can normally use the electric energy. Therefore, the production quality of the transformer must be improved to ensure long-term stable operation of the transformer.
However, the existing power transformer production and assembly equipment has the following problems when the transformer is assembled: when the existing power transformer production and assembly equipment is used for assembling a transformer, the main body part of the transformer is heavier, and is installed in a shell of the transformer and hoisted by a steel cable, so that the main body of the transformer swings in the process of hoisting and moving the main body of the transformer, and the main body of the transformer is easy to damage due to collision; secondly, generally because the locating position of the main part of transformer can not be fast accurate when putting into the transformer shell with the main part of transformer, increased work load has also reduced work efficiency.
Disclosure of Invention
In order to solve the problems, the invention provides a power transformer production and assembly process which can solve the problems mentioned above.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a power transformer production assembly process, this power transformer production assembly process adopt following production assembly equipment, and this power transformer production assembly equipment includes mounting bracket, installing frame, elevating gear, main part anchor clamps and positioner, install the installing frame on the mounting bracket that two symmetries set up, the installing frame is \21274;, and the shape structure is provided with elevating gear on the installing frame, and main part anchor clamps are installed on elevating gear, and positioner installs at the mounting bracket downside, wherein:
the lifting device comprises a lifting groove, a rack, a lifting plate, a first sliding groove and a driving mechanism, wherein the lifting groove is formed in the left side wall and the right side wall of the mounting frame;
the positioning device comprises a placing plate, positioning grooves, a first hydraulic cylinder, a pulling plate, a limiting block, a second sliding groove, a spring groove, a top extension spring, a second hydraulic cylinder, a top plate, a fourth hydraulic cylinder and a baffle plate, wherein the placing plate is arranged at the lower side between the mounting frames, the placing plate is provided with symmetrical positioning grooves close to the front side, the front end of each positioning groove is an inclined plane, the first hydraulic cylinder is arranged at the bottom surface of the placing plate, the pulling plate is arranged at the end part of a piston rod of the first hydraulic cylinder, the limiting block is provided with two ends of the pulling plate in a sliding manner through the second sliding groove, the limiting block is in sliding contact with the side wall of the positioning groove, the upper end of the limiting block is provided with an inclined plane matched with the inclined plane in the positioning groove, the spring groove is arranged at the top of the second sliding groove, the, the fourth hydraulic cylinder is arranged on the upper end surface of the rear side of the placing plate, and a baffle is arranged at the end part of a piston rod of the fourth hydraulic cylinder;
the main body clamp comprises gripper frames, gripper hinged plates, a third hydraulic cylinder, a connecting rod and gripper blocks, the two gripper frames are arranged at the lower end of the lifting plate in a sliding mode, the gripper hinged plates are arranged on the left side and the right side of the gripper clamp, the third hydraulic cylinder is arranged between the gripper hinged plates, the end portion of a piston rod of the third hydraulic cylinder is hinged to one end of the connecting rod, the other end of the connecting rod is connected to the gripper hinged plates in a corner mode, and the gripper blocks are arranged on the connecting rod hinged to one end of the gripper hinged;
the process for the power transformer production and assembly equipment by adopting the power transformer production and assembly equipment comprises the following steps:
s1, positioning of the transformer body: accurately positioning the transformer main body to be right below the position corresponding to the main body clamp through a positioning device;
s2, hoisting the transformer main body: clamping an iron core clamping plate on the transformer main body through a main body clamp, and lifting the transformer main body to a certain height through a lifting device;
s3, positioning of the transformer shell: accurately positioning the transformer shell to the right lower side of the transformer main body through the positioning device;
s4, mounting the transformer main body: the transformer main body is stably descended into the transformer shell through the lifting device, and then the transformer main body is fixed in the transformer shell.
As a preferable technical scheme of the invention, the driving mechanism comprises a gear box, a driving gear, a driven gear and a driving motor, the gear box is arranged at two ends of the lifting plate, the driving gear and the driven gear are rotatably arranged in the gear box, the driving gear and the driven gear are meshed with each other, the driven gear and the rack are meshed with each other, the driving motor is arranged on the rear end face of the gear box, and an output shaft of the driving gear is connected with a rotating shaft of the driving gear.
According to a preferred technical scheme of the invention, the lower end face of the lifting plate is provided with a T-shaped sliding groove, the left side and the right side in the T-shaped sliding groove are provided with sliding blocks matched with the T-shaped sliding groove in a sliding manner, the upper end face of each sliding block is provided with a threaded hole, the upper end face of the lifting plate is provided with a locking groove communicated with the T-shaped sliding groove, a bolt penetrates through the locking groove and is screwed into the threaded hole to prevent the sliding block from sliding in the T-shaped sliding groove, and the sliding blocks are connected with.
As a preferable technical scheme of the invention, the front side and the rear side of the upper end surface and the lower end surface of the lifting plate, which are close to the first sliding groove, are respectively provided with the first fixing plates, the limiting wheel is rotatably arranged between the first fixing plates, and the outer wall of the limiting wheel is in rolling contact with the opposite surface of the rack.
As a preferable technical scheme of the invention, a limiting plate is arranged on the mounting frame at the lower side of the lifting groove.
The invention has the beneficial effects that:
1. the invention can solve the following problems of the existing power transformer production and assembly equipment when assembling the transformer: when the existing power transformer production and assembly equipment is used for assembling a transformer, the main body part of the transformer is heavier, and is installed in a shell of the transformer and hoisted by a steel cable, so that the main body of the transformer swings in the process of hoisting and moving the main body of the transformer, and the main body of the transformer is easy to damage due to collision; secondly, generally because the locating position of the main part of transformer can not be fast accurate when putting into the transformer shell with the main part of transformer, increased work load has also reduced work efficiency. The invention has stable structure, can greatly reduce the shaking in the process of hoisting and assembling the main body part of the transformer, and can accurately assemble the main body part of the transformer into the shell of the transformer, thereby greatly improving the assembly quality and effectively improving the working efficiency.
2. The positioning device provided by the invention is used for jacking, extruding and positioning the transformer main body and the transformer shell in four directions through the mutual matching of the limiting block, the top plate and the baffle plate, so that the transformer main body and the transformer shell can be accurately matched during assembly;
3. when the transformer main body and the transformer shell are placed, the upper end of the limiting block is positioned in the positioning groove and does not extend out of the positioning groove, so that the placement of the transformer main body and the transformer shell is not hindered.
4. The limiting wheel designed by the invention rolls downwards or upwards along the back of the rack, so that the friction force between the lifting plate and the rack can be effectively reduced, and the stability of the lifting plate can be improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic view of a first structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2B in accordance with the present invention;
FIG. 5 is a second structural diagram of the present invention;
FIG. 6 is a front view of the present invention;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6 in accordance with the present invention;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6 in accordance with the present invention;
fig. 9 is a partial enlarged view of fig. 6 at E according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 9, a power transformer production and assembly process adopts the following production and assembly equipment, and the power transformer production and assembly equipment comprises an installation frame 1, an installation frame 2, a lifting device 3, a main body clamp 4 and a positioning device 5, wherein the installation frame 2 is installed on the two symmetrically arranged installation frames 1, the installation frame 2 is a \ 21274 ` -shaped structure, the lifting device 3 is arranged on the installation frame 2, the main body clamp 4 is installed on the lifting device 3, and the positioning device 5 is installed at the lower side of the installation frame 1, wherein:
the positioning device 5 comprises a placing plate 51, a positioning groove 52, a first hydraulic cylinder 53, a pulling plate 54, a limiting block 55, a second sliding groove 56, a spring groove 57, a top extension spring 58, a second hydraulic cylinder 59, a top plate 510, a fourth hydraulic cylinder 511 and a baffle 512, wherein the placing plate 51 is arranged at the lower side between the mounting frames 1, the placing plate 51 is provided with symmetrical positioning grooves 52 near the front side, the front end of the positioning groove 52 is an inclined plane, the first hydraulic cylinder 53 is arranged at the bottom surface of the placing plate 51, the pulling plate 54 is arranged at the end part of a piston rod of the first hydraulic cylinder 53, the limiting block 55 is provided with two ends of the pulling plate 54 in a sliding way through the second sliding groove 56, the limiting block 55 is in sliding contact with the side wall of the positioning groove 52, the upper end of the limiting block 55 is provided with an inclined plane matched with the inclined plane in the positioning groove 52, the second hydraulic cylinder 59 is installed on the opposite outer side of the installation frame 1, a top plate 510 is installed at one end, penetrating through the placing plate 51, of a piston rod of the second hydraulic cylinder 59, the fourth hydraulic cylinder 511 is installed on the upper end face of the rear side of the placing plate 51, and a baffle plate 512 is installed at the end portion of the piston rod of the fourth hydraulic cylinder 511.
When the transformer is in operation, the fourth hydraulic cylinder 511 operates, the piston rod of the fourth hydraulic cylinder 511 extends out to drive the baffle plate 512 to move towards the middle of the placing plate 51 and then the fourth hydraulic cylinder 511 stops operating, the transformer main body is placed at the middle of the placing plate 51 placed from the front side of the equipment and pushed and slides on the placing plate 51, so that the bottom seat side of the transformer main body abuts against the baffle plate 512, the second hydraulic cylinder 59 operates, the piston rod of the second hydraulic cylinder 59 extends out to drive the top plate 510 to push against the bottom seat of the transformer main body, so that the transformer main body slides on the placing plate 51 to the middle of the top plate 510, the top plate 510 clamps the transformer main body, the first hydraulic cylinder 53 operates, the telescopic rod of the first hydraulic cylinder 53 retracts to drive the pull plate 54 to move towards the middle of the placing plate 51, the limiting block 55 moves along with the pull plate 54, when the limiting block 55 moves, the inclined surface at the upper end, the jacking spring 58 jacks the limiting block 55 to move upwards and extend out of the positioning groove 52 to the upper end face of the placing plate 51, the limiting block 55 moves towards the middle of the placing plate 51 along the positioning groove 52, the limiting block 55 contacts with the base of the transformer main body and pulls the base of the transformer main body to abut against the baffle 512, and finally the transformer main body is accurately positioned under the position corresponding to the main body clamp 4, so that the transformer main body can be accurately grabbed by the main body clamp 4.
The lifting device 3 comprises a lifting groove 31, a rack 32, a lifting plate 33, a first sliding groove 34 and a driving mechanism 35, wherein the lifting groove 31 is formed in the left side wall and the right side wall of the mounting frame 2, the rack 32 is mounted in the lifting groove 31, the first sliding groove 34 is formed in the left end and the right end of the lifting plate 33, the lifting plate 33 is slidably arranged between the racks 32 through the first sliding groove 34, and a limiting plate 21 is mounted on the mounting frame 2 on the lower side of the lifting groove 31; the limiting plate 21 can limit the descending height of the lifting plate 33 during specific work;
the driving mechanism 35 comprises a gear box 371, a driving gear 372, a driven gear 373 and a driving motor 374, the gear box 371 is installed at two ends of the lifting plate 33, the driving gear 372 and the driven gear 373 are rotatably installed on the gear box 371, a driving tooth path is meshed with the driven gear 373, the driven gear 373 is meshed with the rack 32, the driving motor 374 is installed on the rear end face of the gear box 371, an output shaft of the driving gear 372 is connected with a rotating shaft of the driving gear 372, the diameter of the driving gear 372 is smaller than that of the driven gear 373, and a larger moment can be provided to increase the driving force of the driving mechanism 35;
the lower end face of the lifting plate 33 is provided with a T-shaped sliding groove 331, the left side and the right side in the T-shaped sliding groove 331 are provided with sliding blocks 332 matched with the T-shaped sliding groove 331 in a sliding manner, the upper end face of each sliding block 332 is provided with a threaded hole 333, the upper end face of the lifting plate 33 is provided with a locking groove 334 communicated with the T-shaped sliding groove 331, a bolt 335 penetrates through the locking groove 334 to be screwed into the threaded hole 333, the upper end of the bolt 335 and the upper end of the lifting plate 33 generate friction force to prevent the sliding blocks 332 from sliding in the T-shaped sliding groove 331, and the sliding blocks; when the transformer main body is in specific work, the position of the main body clamp 4 can be adjusted according to the proper clamping position of the iron core clamping plate on the transformer main body; the adjusting mode is as follows: screwing the bolt 335 makes the bolt 335 reduce friction with the lifting plate 33 and can move the slider 332, and when the slider 332 is moved to a desired position, screwing the bolt 335 makes the slider 332 fixed in the T-shaped chute 331, thereby adjusting the position of the main body clamp 4;
the main body clamp 4 comprises two gripper frames 41, gripper hinge plates 42, third hydraulic cylinders 43, connecting rods 44 and gripper blocks 45, the two gripper frames 41 are arranged at the lower end of the lifting plate 33 in a sliding mode, the gripper hinge plates 42 are arranged on the left side and the right side of the gripper clamp, the third hydraulic cylinders 43 are arranged between the gripper hinge plates, the end portions of piston rods of the third hydraulic cylinders 43 are hinged to one end of the connecting rods 44, the other end of each connecting rod 44 is connected to the gripper hinge plate in an angle mode, and the gripper blocks 45 are arranged on the connecting rods 44 hinged to one end of the gripper hinge plates;
when the transformer body clamping device works, the driving motor 374 works, an output shaft of the driving motor 374 rotates to drive the driving gear 372 to rotate, the driving gear 372 drives the driven gear 373 to rotate, the driven gear 373 rotates along the rack 32 and drives the lifting plate 33 to move downwards through the driving box, the limiting wheel 337 rolls downwards along the back of the rack 32, the lifting plate 33 drives the body clamp 4 to approach the positioned transformer body, when the body clamp 4 moves to a certain position, the driving motor 374 stops working, the third hydraulic cylinder 43 works, a piston rod of the third hydraulic cylinder 43 extends out of the jacking connecting rod 44 to enable the connecting rod 44 to drive the grabbing block 45 to relatively approach the middle part and clamp an iron core clamping plate on the transformer body; the first hydraulic cylinder 53, the second hydraulic cylinder 59 and the fourth hydraulic cylinder 511 work simultaneously, so that the limiting block 55, the top plate 510 and the baffle 512 return to the initial positions, and the transformer body is separated from the positioning; the driving motor 374 works, the output shaft of the driving motor 374 rotates reversely, and the driving motor 374 stops working when the lifting plate 33 and the main body clamp 4 drive the transformer main body to ascend to a certain position.
The positioning device 5 is used for positioning the transformer shell, the principle of the positioning device is the same as that of the transformer main body, the transformer shell is arranged right below the transformer main body at the moment and corresponds to the assembly position of the transformer shell, the driving motor 374 works and drives the transformer main body to stably descend through the lifting plate 33 and the main body clamp 4 to be arranged in the transformer shell, and then the transformer main body is fixed in the transformer shell.
The process for the power transformer production and assembly equipment by adopting the power transformer production and assembly equipment comprises the following steps:
s1, positioning of the transformer body: accurately positioning the transformer main body to be right below the position corresponding to the main body clamp 4 through the positioning device 5;
s2, hoisting the transformer main body: the iron core clamping plate on the transformer body is clamped by the body clamp 4, and the transformer body is lifted to a certain height by the lifting device 3;
s3, positioning of the transformer shell: accurately positioning the transformer shell to the right lower side of the transformer main body through a positioning device 5;
s4, mounting the transformer main body: the transformer body is stably lowered into the transformer housing through the lifting device 3, and then the transformer body is fixed in the transformer housing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a power transformer production assembly process, this power transformer production assembly process adopt following production rigging equipment, and this power transformer production rigging equipment includes mounting bracket (1), installing frame (2), elevating gear (3), main part anchor clamps (4) and positioner (5), its characterized in that: install installing frame (2) on installing frame (1) that two symmetries set up, installing frame (2) are \ 21274;, and the shape structure is provided with elevating gear (3) on installing frame (2), and install on elevating gear (3) main part anchor clamps (4), and positioner (5) are installed at installing frame (1) downside, wherein:
the lifting device (3) comprises a lifting groove (31), a rack (32), a lifting plate (33), a first sliding groove (34) and a driving mechanism (35), the lifting groove (31) is formed in the left side wall and the right side wall of the mounting frame (2), the rack (32) is mounted in the lifting groove (31), the first sliding groove (34) is formed in the left end and the right end of the lifting plate (33), and the lifting plate (33) is arranged between the racks (32) in a sliding mode through the first sliding groove (34);
the positioning device (5) comprises a placing plate (51), positioning grooves (52), a first hydraulic cylinder (53), a pulling plate (54), a limiting block (55), a second sliding groove (56), a spring groove (57), a top extension spring (58), a second hydraulic cylinder (59), a top plate (510), a fourth hydraulic cylinder (511) and a baffle (512), the placing plate (51) is installed on the lower side between the mounting frames (1), the placing plate (51) is provided with symmetrical positioning grooves (52) close to the front side, the front end of the positioning groove (52) is an inclined surface, the first hydraulic cylinder (53) is installed on the bottom surface of the placing plate (51), the pulling plate (54) is installed at the end part of a piston rod of the first hydraulic cylinder (53), the limiting block (55) is provided with two ends of the pulling plate (54) in a sliding mode through the second sliding groove (56), the limiting block (55) is in sliding contact with the side wall of the positioning groove (52), the upper end of the limiting block (55) is, a spring groove (57) is formed in the top of the second sliding groove (56), a jacking spring (58) is installed in the spring groove (57), a second hydraulic cylinder (59) is installed on the opposite outer side of the mounting frame (1), a top plate (510) is installed at one end, penetrating through the placing plate (51), of a piston rod of the second hydraulic cylinder (59), a fourth hydraulic cylinder (511) is installed on the upper end face of the rear side of the placing plate (51), and a baffle plate (512) is installed at the end portion of the piston rod of the fourth hydraulic cylinder (511);
the main body clamp (4) comprises two gripper frames (41), gripper hinge plates (42), three hydraulic cylinders (43), connecting rods (44) and gripper blocks (45), the two gripper frames (41) are arranged at the lower end of the lifting plate (33) in a sliding mode, the gripper hinge plates (42) are arranged on the left side and the right side of the gripper clamp, the three hydraulic cylinders (43) are arranged between the gripper hinge plates, the end part of a piston rod of each hydraulic cylinder (43) is hinged to one end of each connecting rod (44), the other end of each connecting rod (44) is connected to the gripper hinge plates in an angle mode, and the gripper blocks (45) are arranged on the connecting rods (44) hinged to one ends of the gripper hinge plates;
the process for the power transformer production and assembly equipment by adopting the power transformer production and assembly equipment comprises the following steps:
s1, positioning of the transformer body: accurately positioning the transformer main body to be right below the position corresponding to the main body clamp (4) through a positioning device (5);
s2, hoisting the transformer main body: the iron core clamping plate on the transformer main body is clamped by the main body clamp (4), and the transformer main body is lifted to a certain height by the lifting device (3);
s3, positioning of the transformer shell: accurately positioning the transformer shell to the right lower side of the transformer main body through a positioning device (5);
s4, mounting the transformer main body: the transformer main body is stably descended into the transformer shell through the lifting device (3), and then the transformer main body is fixed in the transformer shell.
2. The power transformer production and assembly process according to claim 1, wherein: actuating mechanism (35) include gear box (371), drive gear (372), driven gear (373) and driving motor (374), install at lifter plate (33) both ends gear box (371), drive gear (372) and driven gear (373) are installed to gear box (371) internal rotation, and drive tooth path and driven gear (373) intermeshing, driven gear (373) and rack (32) intermeshing, driving motor (374) are installed to gear box (371) rear end face, the output shaft of drive gear (372) and the rotation axis connection of drive gear (372).
3. The power transformer production and assembly process according to claim 1, wherein: t-shaped sliding grooves (331) are formed in the lower end face of the lifting plate (33), sliding blocks (332) matched with the T-shaped sliding grooves (331) are arranged on the left side and the right side in the T-shaped sliding grooves (331) in a sliding mode, threaded holes (333) are formed in the upper end face of each sliding block (332), locking grooves (334) communicated with the T-shaped sliding grooves (331) are formed in the upper end face of the lifting plate (33), bolts (335) penetrate through the locking grooves (334) and are screwed into the threaded holes (333) to prevent the sliding blocks (332) from sliding in the T-shaped sliding grooves (331), and the sliding blocks (332) are connected with the grab rack (41).
4. The power transformer production and assembly process according to claim 1, wherein: fixed plates (336) are installed on the front side and the rear side of the upper end face and the lower end face of the lifting plate (33) close to the first sliding groove (34), the limiting wheels (337) are rotatably installed between the fixed plates (336), and the outer walls of the limiting wheels (337) are in rolling contact with the opposite surfaces of the racks (32).
5. The power transformer production and assembly process according to claim 1, wherein: and a limiting plate (21) is arranged on the mounting frame (2) at the lower side of the lifting groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268952.3A CN112435841B (en) | 2020-11-13 | 2020-11-13 | Production and assembly process of power transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268952.3A CN112435841B (en) | 2020-11-13 | 2020-11-13 | Production and assembly process of power transformer |
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| CN112435841A true CN112435841A (en) | 2021-03-02 |
| CN112435841B CN112435841B (en) | 2022-08-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113035548A (en) * | 2021-03-06 | 2021-06-25 | 徐州常武智能科技有限公司 | Manufacturing process of oil-immersed transformer |
| CN114220643A (en) * | 2022-02-21 | 2022-03-22 | 江苏苏特变压器有限公司 | Transformer assembling device |
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| CN113035548A (en) * | 2021-03-06 | 2021-06-25 | 徐州常武智能科技有限公司 | Manufacturing process of oil-immersed transformer |
| CN113035548B (en) * | 2021-03-06 | 2022-12-06 | 中电变压器股份有限公司 | Manufacturing process of oil-immersed transformer |
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