CN215070987U - Can stabilize height-adjusting's switch board according to user demand - Google Patents
Can stabilize height-adjusting's switch board according to user demand Download PDFInfo
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- CN215070987U CN215070987U CN202120985924.7U CN202120985924U CN215070987U CN 215070987 U CN215070987 U CN 215070987U CN 202120985924 U CN202120985924 U CN 202120985924U CN 215070987 U CN215070987 U CN 215070987U
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- 230000000087 stabilizing effect Effects 0.000 claims description 74
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 9
- 241001330002 Bambuseae Species 0.000 abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 9
- 239000011425 bamboo Substances 0.000 abstract description 9
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a can stabilize height-adjusting's switch board according to user demand, including the switch board body, the bottom fixedly connected with of switch board body supports the bottom piece, supports the bottom of bottom piece and inserts the inside of stable seat, supports the surface of bottom piece and the inner wall sliding connection of stable seat roof. This can stabilize height-adjusting's switch board according to the user demand, drive the inside rotation of pole at stable seat through the control, utilize the control to drive the screw reverse propulsion principle between pole and two promotion sloping blocks, drive two promotion sloping block reverse displacement in step, and the inclined plane that the cooperation promoted the sloping block is poor with the height displacement who rotates the cylinder, the jacking supports the bottom block that makes progress, make its height of regulating and controlling switch board body, utilize the meshing of cup jointing between location fluted disc and the joint tooth section of thick bamboo simultaneously, fix a position fixedly on the direction of rotation of its control drive pole, thereby reached and made its this switch board can effectually be applicable to the on-the-spot complicated building site, adjust the height of its switch board body at any time.
Description
Technical Field
The utility model relates to a switch board technical field specifically is a can stabilize height-adjusting's switch board according to the user demand.
Background
The switch board is motor control center's general title, and the switch board generally uses in the more occasion of dispersion of load and less in return circuit to and motor control center is used for the concentrated and more occasion in return circuit of load, and the opening and close of each circuit of effectual control is often used for the on-the-spot electric power management and control of building site, can effectually prevent that the phenomenon of electric leakage from taking place. At present, when the switch board is used in the construction, because site environment is complicated, often need control the height of its switch board, current switch board for the construction can't adjust its height at any time, makes it very inconvenient when using.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a can be according to the switch board of user demand stability height-adjusting, solved the switch board for the construction when using, because site environment is complicated, often need control the height of its switch board, current switch board for the construction can't adjust its height at any time, makes its very inconvenient problem when using.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a power distribution cabinet capable of stably adjusting height according to use requirements comprises a power distribution cabinet body, wherein a supporting bottom block is fixedly connected to the bottom of the power distribution cabinet body, the bottom of the supporting bottom block is inserted into a stabilizing seat, the surface of the supporting bottom block is in sliding connection with the inner wall of a stabilizing seat top plate, a control driving rod is movably inserted into the right side of the stabilizing seat, the left side of the control driving rod is rotatably connected with the left side wall of a supporting bottom block inner cavity, two reverse thread grooves are formed in the surface of the control driving rod, pushing inclined blocks are uniformly sleeved on the two reverse thread grooves of the control driving rod, a sliding plate is fixedly connected to the bottom of each pushing inclined block, the bottom of the sliding plate is in sliding contact with the bottom of the stabilizing seat inner cavity, the front and the back of each pushing inclined block are respectively in sliding contact with the front and the back of the stabilizing seat inner cavity, and a fixing block is sleeved in the middle of the control driving rod, the top fixedly connected with of fixed block stabilizes the sleeve, the tedge has been inserted at the top of stabilizing the sleeve, the top of tedge and the bottom fixed connection who supports the bottom block, the bottom fixedly connected with two pulley support frames of support bottom block, the bottom of pulley support frame is rotated and is installed and is rotated the cylinder, the bottom of rotating the cylinder and the inclined plane extrusion contact that promotes the sloping block, the right side of stabilizing the seat is seted up flutedly, the recess internal rotation on stabilizing the seat right side is connected with the location fluted disc, the fixed surface that cup joints at the control drive pole of inner wall of location fluted disc, the surface of location fluted disc has cup jointed a joint tooth section of thick bamboo, the left side of joint tooth section of thick bamboo inserts in the recess on stabilizing the seat right side, the tooth of joint tooth section of thick bamboo inner wall meshes with the tooth of location fluted disc, the inner wall activity of joint tooth section of thick bamboo cup joints the surface of control drive pole, the top fixedly connected with of joint tooth section of thick bamboo dials the board, it has the kelly to pass through the side of dialling the board, the surface of kelly cup joints with the inner wall of dialling the board that slides, the left side of kelly and the right side fixed connection of stable seat, the right side of kelly and the left side fixed connection of clamp plate, the surface cover of kelly has natural spring, the both ends of natural spring respectively with the right side of dialling the board and the left side fixed connection of clamp plate.
Preferably, the two sides of the bottom of the power distribution cabinet body are uniformly and fixedly connected with stabilizing rods, and the two stabilizing rods are respectively distributed in a bilateral symmetry mode in the middle of the power distribution cabinet body.
Preferably, the bottom of the stabilizing rod is inserted into the stabilizing seat, the surface of the stabilizing rod is in sliding connection with the inner wall of the stabilizing seat, and the bottom of the stabilizing rod is fixedly connected with the push plate.
Preferably, the surface of the stabilizing rod, which is positioned inside the stabilizing seat, is sleeved with a powerful compression spring, the top of the powerful compression spring is fixedly connected with the top of the inner cavity of the stabilizing seat, and the bottom of the powerful compression spring is fixedly connected with the top of the push plate.
Preferably, the bottom of the stabilizing seat is fixedly connected with an anti-skid base plate, and the right side of the control driving rod is fixedly connected with an adjusting cap.
Preferably, a positioning plate is inserted into the side face of the pushing inclined block, the surface of the positioning plate is in sliding connection with the inner wall of the pushing inclined block, and the other end of the positioning plate is fixedly connected with the inner wall of the stabilizing seat.
(III) advantageous effects
The utility model provides a can stabilize height-adjusting's switch board according to the user demand. The method has the following beneficial effects:
(1) the power distribution cabinet capable of stably adjusting the height according to the use requirement is arranged through the supporting bottom block and the stabilizing base, the control driving rod, the pushing inclined block, the sliding plate, the fixing block, the anti-skidding base plate, the pulley supporting frame, the rotating roller, the stabilizing sleeve, the jacking pipe, the positioning fluted disc, the clamping tooth cylinder, the shifting plate, the clamping rod, the pressing plate and the natural spring are matched for use, so that the effect that the supporting bottom block is lifted upwards by controlling the driving rod to rotate in the stabilizing base and utilizing the principle of reverse screw thread propulsion between the control driving rod and the two pushing inclined blocks to synchronously drive the two pushing inclined blocks to reversely displace and matching with the height displacement difference between the inclined plane of the pushing inclined block and the rotating roller is achieved, the height of the power distribution cabinet body can be adjusted and controlled to be required on site, and the horizontal displacement of the clamping tooth cylinder is utilized, utilize the meshing of cup jointing between location fluted disc and the joint tooth section of thick bamboo, fix a position fixedly on its rotation direction of control drive pole to reached and made this switch board of it can effectually be applicable to the site complicated building site, adjusted the height of its switch board body at any time.
Drawings
FIG. 1 is a partial internal view of the structure of the present invention;
FIG. 2 is an enlarged view of the interior of the stable seat of the present invention;
fig. 3 is an enlarged schematic view of the point a in the structure diagram of the present invention 2;
fig. 4 is an enlarged schematic view of the point B in the structure diagram of fig. 2 of the present invention;
fig. 5 is an enlarged schematic view of the point C in the structure diagram of fig. 2 of the present invention.
In the figure: 1. a power distribution cabinet body; 2. a support bottom block; 3. a stabilizing base; 4. a stabilizing rod; 5. pushing the plate; 6. a strong compression spring; 7. controlling to drive the rod; 8. pushing the inclined block; 9. a slide plate; 10. positioning a plate; 11. a fixed block; 12. an anti-skid backing plate; 13. a pulley support frame; 14. rotating the drum; 15. a stabilizing sleeve; 16. a riser pipe; 17. positioning a fluted disc; 18. clamping the gear cylinder; 19. a poking plate; 20. a clamping rod; 21. pressing a plate; 22. a natural spring; 23. and adjusting the cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides a technical solution: a power distribution cabinet capable of stably adjusting height according to use requirements comprises a power distribution cabinet body 1, wherein a supporting bottom block 2 is fixedly connected to the bottom of the power distribution cabinet body 1, the bottom of the supporting bottom block 2 is inserted into a stabilizing seat 3, the surface of the supporting bottom block 2 is in sliding connection with the inner wall of the top plate of the stabilizing seat 3, an anti-slip base plate 12 is fixedly connected to the bottom of the stabilizing seat 3, the stability of the stabilizing seat 3 is enhanced through the arrangement of the anti-slip base plate 12, stabilizing rods 4 are uniformly and fixedly connected to two sides of the bottom of the power distribution cabinet body 1, the two stabilizing rods 4 are respectively distributed in bilateral symmetry with the middle of the power distribution cabinet body 1, the bottom of each stabilizing rod 4 is inserted into the stabilizing seat 3, the surface of each stabilizing rod 4 is in sliding connection with the inner wall of the stabilizing seat 3, the stability of the vertical displacement of the power distribution cabinet body 1 is enhanced through the arrangement of the stabilizing rods 4, and the bottom of each stabilizing rod 4 is fixedly connected with a push plate 5, the surface of the stabilizing rod 4 positioned inside the stabilizing seat 3 is sleeved with a strong compression spring 6, the top of the strong compression spring 6 is fixedly connected with the top of the inner cavity of the stabilizing seat 3, the bottom of the strong compression spring 6 is fixedly connected with the top of the push plate 5, the effect of continuously pressing, pulling and positioning the power distribution cabinet body 1 is achieved through the arrangement of the strong compression spring 6, so that the stability of the power distribution cabinet body 1 after the height displacement is adjusted is ensured, the right side of the stabilizing seat 3 is movably inserted with a control driving rod 7, the left side of the control driving rod 7 is rotatably connected with the left side wall of the inner cavity of the supporting bottom block 2, the surface of the control driving rod 7 is provided with two reverse thread grooves, the two reverse thread grooves of the control driving rod 7 are uniformly sleeved with pushing inclined blocks 8, the bottom of the pushing inclined blocks 8 is fixedly connected with a sliding plate 9, and the bottom of the sliding plate 9 is in sliding contact with the bottom of the inner cavity of the stabilizing seat 3, the front and the back of the pushing sloping block 8 are respectively in sliding contact with the front and the back of an inner cavity of the stabilizing base 3, a positioning plate 10 is inserted into the side surface of the pushing sloping block 8, the surface of the positioning plate 10 is in sliding connection with the inner wall of the pushing sloping block 8, the other end of the positioning plate 10 is fixedly connected with the inner wall of the stabilizing base 3, through the arrangement of the positioning plate 10, the stability during horizontal displacement of the pushing sloping block 8 is enhanced, the pushing sloping block 8 is prevented from rotating, the middle part of the driving rod 7 is controlled to rotate and sleeved with the fixing block 11, the top of the fixing block 11 is fixedly connected with a stabilizing sleeve 15, a jacking pipe 16 is inserted into the top of the stabilizing sleeve 15, the top of the jacking pipe 16 is fixedly connected with the bottom of the supporting bottom block 2, the bottom of the supporting bottom block 2 is fixedly connected with two pulley supporting frames 13, the bottom of the pulley supporting frames 13 is rotatably provided with a rotating roller 14, and the bottom of the rotating roller 14 is in extrusion contact with the inclined plane of the pushing sloping block 8, the right side of the stabilizing base 3 is provided with a groove, the groove on the right side of the stabilizing base 3 is connected with a positioning fluted disc 17 in a rotating mode, the inner wall of the positioning fluted disc 17 is fixedly sleeved on the surface of the control driving rod 7, a clamping tooth cylinder 18 is sleeved on the surface of the positioning fluted disc 17, the left side of the clamping tooth cylinder 18 is inserted into the groove on the right side of the stabilizing base 3, teeth on the inner wall of the clamping tooth cylinder 18 are meshed with teeth of the positioning fluted disc 17, the inner wall of the clamping tooth cylinder 18 is movably sleeved on the surface of the control driving rod 7, the right side of the control driving rod 7 is fixedly connected with an adjusting cap 23, the effect of facilitating the rotation of the control driving rod 7 is achieved through the arrangement of the adjusting cap 23, the top of the clamping tooth cylinder 18 is fixedly connected with a poking plate 19, a clamping rod 20 penetrates through the side surface of the poking plate 19, the surface of the clamping rod 20 is slidably sleeved with the inner wall of the poking plate 19, and the left side of the clamping rod 20 is fixedly connected with the right side of the stabilizing base 3, the right side of the clamping rod 20 is fixedly connected with the left side of the pressing plate 21, a natural spring 22 is sleeved on the surface of the clamping rod 20, and two ends of the natural spring 22 are respectively and fixedly connected with the right side of the poking plate 19 and the left side of the pressing plate 21.
When the height of the power distribution cabinet body 1 needs to be adjusted, the shifting plate 19 is pushed to the right side to drive the clamping tooth cylinder 18 to move to the right side, so that the clamping tooth cylinder 18 and the positioning fluted disc 17 are sleeved and meshed to be separated, then the adjusting cap 23 on the right side is rotated to drive the control driving rod 7 to rotate, at the moment, the two pushing inclined blocks 8 are synchronously driven to move inwards by utilizing the principle that threads between the control driving rod 7 and the two pushing inclined blocks 8 are reversely pushed, the supporting bottom block 2 is driven to move upwards by utilizing the height displacement difference generated by the displacement of the inclined surface of the pushing inclined block 8 and the rotating roller 14, at the moment, the height of the power distribution cabinet body 1 is adjusted to the use height, then the acting force of the shifting plate 19 is released, the shifting plate 19 is pulled to reset to the left side due to the elastic acting force of the natural spring 22 to drive the clamping tooth cylinder 18 to move to the left side, so that the clamping tooth cylinder 18 is sleeved and meshed with the positioning fluted disc 17, the operations are completed and the details not described in detail in this specification are well known to those skilled in the art.
In conclusion, the power distribution cabinet capable of stably adjusting the height according to the use requirement is provided with the supporting bottom block 2, the stabilizing base 3, the control driving rod 7, the pushing inclined block 8, the sliding plate 9, the fixing block 11, the anti-skidding base plate 12, the pulley supporting frame 13, the rotating roller 14, the stabilizing sleeve 15, the jacking pipe 16, the positioning fluted disc 17, the clamping tooth cylinder 18, the toggle plate 19, the clamping rod 20, the pressing plate 21 and the natural spring 22, so that the power distribution cabinet has the advantages that the two pushing inclined blocks 8 are synchronously driven to reversely displace by controlling the rotation of the driving rod 7 in the stabilizing base 3, the supporting bottom block 2 is upwards jacked by utilizing the principle that the threads between the control driving rod 7 and the two pushing inclined blocks 8 reversely push, the height of the power distribution cabinet body 1 is adjusted and controlled to the height required by the power distribution cabinet on site by matching with the height displacement difference between the inclined surface of the pushing inclined block 8 and the rotating roller 14, the height of the power distribution cabinet body 1 is adjusted and controlled, utilize the horizontal displacement of joint tooth section of thick bamboo 18 simultaneously, utilize the meshing of cup jointing between location fluted disc 17 and the joint tooth section of thick bamboo 18, fix a position fixedly on its rotation direction of control drive pole 7 to reached and made this switch board of it can effectually be applicable to the complicated building site in scene, adjusted the height of its switch board body 1 at any time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. The utility model provides a can stabilize height-adjusting's switch board according to user demand, includes switch board body (1), its characterized in that: the bottom of the power distribution cabinet body (1) is fixedly connected with a supporting bottom block (2), the bottom of the supporting bottom block (2) is inserted into the interior of a stabilizing seat (3), the surface of the supporting bottom block (2) is in sliding connection with the inner wall of the top plate of the stabilizing seat (3), a control driving rod (7) is movably inserted into the right side of the stabilizing seat (3), the left side of the control driving rod (7) is rotatably connected with the left side wall of the inner cavity of the supporting bottom block (2), two reverse thread grooves are formed in the surface of the control driving rod (7), a pushing inclined block (8) is uniformly sleeved on the two reverse thread grooves of the control driving rod (7), the bottom of the pushing inclined block (8) is fixedly connected with a sliding plate (9), the bottom of the sliding plate (9) is in sliding contact with the bottom of the inner cavity of the stabilizing seat (3), the front and the back of the pushing inclined block (8) are in sliding contact with the front and the back of the inner cavity of the stabilizing seat (3) respectively, the middle part of the control drive rod (7) is rotated and sleeved with a fixed block (11), the top fixedly connected with of the fixed block (11) stabilizes the sleeve (15), a jacking pipe (16) is inserted into the top of the stabilized sleeve (15), the top of the jacking pipe (16) is fixedly connected with the bottom of a supporting bottom block (2), two pulley support frames (13) are fixedly connected with the bottom of the supporting bottom block (2), a rotating roller (14) is installed at the bottom of the pulley support frames (13) in a rotating manner, the bottom of the rotating roller (14) is in extrusion contact with an inclined plane of a pushing inclined block (8), a groove is formed in the right side of the stabilized seat (3), a positioning fluted disc (17) is connected to a groove in the right side of the rotationally stabilized seat (3), the inner wall of the positioning fluted disc (17) is fixedly sleeved on the surface of the control drive rod (7), a clamping fluted disc (18) is sleeved on the surface of the positioning fluted disc (17), the left side of the clamping tooth cylinder (18) is inserted into the groove on the right side of the stabilizing seat (3), the teeth on the inner wall of the clamping tooth cylinder (18) are meshed with the teeth of the positioning fluted disc (17), the inner wall of the clamping tooth cylinder (18) is movably sleeved on the surface of the driving rod (7), the top of the clamping tooth cylinder (18) is fixedly connected with a poking plate (19), a clamping rod (20) penetrates through the side surface of the poking plate (19), the surface of the clamping rod (20) is sleeved with the inner wall of the poking plate (19) in a sliding way, the left side of the clamping rod (20) is fixedly connected with the right side of the stabilizing seat (3), the right side of the clamping rod (20) is fixedly connected with the left side of the pressing plate (21), a natural spring (22) is sleeved on the surface of the clamping rod (20), two ends of the natural spring (22) are respectively and fixedly connected with the right side of the poking plate (19) and the left side of the pressing plate (21).
2. The power distribution cabinet with the height capable of being stably adjusted according to the use requirement of claim 1 is characterized in that: the power distribution cabinet is characterized in that stabilizing rods (4) are fixedly connected to two sides of the bottom of the power distribution cabinet body (1), and the two stabilizing rods (4) are distributed in a bilateral symmetry mode in the middle of the power distribution cabinet body (1) respectively.
3. The power distribution cabinet with the height capable of being stably adjusted according to the use requirement of claim 2 is characterized in that: the bottom of the stabilizing rod (4) is inserted into the stabilizing seat (3), the surface of the stabilizing rod (4) is connected with the inner wall of the stabilizing seat (3) in a sliding mode, and the bottom of the stabilizing rod (4) is fixedly connected with the push plate (5).
4. The power distribution cabinet with the height capable of being stably adjusted according to the use requirement is characterized in that: the surface of the stabilizing rod (4) inside the stabilizing seat (3) is sleeved with a strong compression spring (6), the top of the strong compression spring (6) is fixedly connected with the top of the inner cavity of the stabilizing seat (3), and the bottom of the strong compression spring (6) is fixedly connected with the top of the push plate (5).
5. The power distribution cabinet with the height capable of being stably adjusted according to the use requirement of claim 1 is characterized in that: the bottom of the stabilizing seat (3) is fixedly connected with an anti-skidding base plate (12), and the right side of the control driving rod (7) is fixedly connected with an adjusting cap (23).
6. The power distribution cabinet with the height capable of being stably adjusted according to the use requirement of claim 1 is characterized in that: the side of promoting sloping block (8) inserts locating plate (10), the surface of locating plate (10) and the inner wall sliding connection who promotes sloping block (8), the other end and the inner wall fixed connection of stabilizing seat (3) of locating plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985924.7U CN215070987U (en) | 2021-05-10 | 2021-05-10 | Can stabilize height-adjusting's switch board according to user demand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985924.7U CN215070987U (en) | 2021-05-10 | 2021-05-10 | Can stabilize height-adjusting's switch board according to user demand |
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| Publication Number | Publication Date |
|---|---|
| CN215070987U true CN215070987U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120985924.7U Active CN215070987U (en) | 2021-05-10 | 2021-05-10 | Can stabilize height-adjusting's switch board according to user demand |
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| CN (1) | CN215070987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243492A (en) * | 2021-12-22 | 2022-03-25 | 国网辽宁省电力有限公司辽阳供电公司 | Prevent switch board for power equipment of static |
-
2021
- 2021-05-10 CN CN202120985924.7U patent/CN215070987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243492A (en) * | 2021-12-22 | 2022-03-25 | 国网辽宁省电力有限公司辽阳供电公司 | Prevent switch board for power equipment of static |
| CN114243492B (en) * | 2021-12-22 | 2023-09-12 | 国网辽宁省电力有限公司辽阳供电公司 | Antistatic power distribution cabinet for power equipment |
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Effective date of registration: 20231114 Address after: 071024 Workshop 168 Fengfeng Street, Baoding City, Hebei Province Patentee after: Hebei Zefeng Yuchen Electrical Equipment Manufacturing Co.,Ltd. Address before: 343000 No. 201, Huoju Avenue, Jinggangshan economic and Technological Development Zone, Ji'an City, Jiangxi Province Patentee before: JI'AN ZHENGHE ELECTRIC POWER DEVELOPMENT CO.,LTD. |