CN216130724U - Frock is fixed to automatically controlled cabinet door plant - Google Patents

Frock is fixed to automatically controlled cabinet door plant Download PDF

Info

Publication number
CN216130724U
CN216130724U CN202121366802.6U CN202121366802U CN216130724U CN 216130724 U CN216130724 U CN 216130724U CN 202121366802 U CN202121366802 U CN 202121366802U CN 216130724 U CN216130724 U CN 216130724U
Authority
CN
China
Prior art keywords
cabinet door
articulated
pipe
plate
electric control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121366802.6U
Other languages
Chinese (zh)
Inventor
焦海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Ruiyuan Electrical Co ltd
Original Assignee
Tianjin Ruineng Electric Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Ruineng Electric Co ltd filed Critical Tianjin Ruineng Electric Co ltd
Priority to CN202121366802.6U priority Critical patent/CN216130724U/en
Application granted granted Critical
Publication of CN216130724U publication Critical patent/CN216130724U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model provides a fixing tool for an electric control cabinet door plate, which comprises a cross rod and clamping jaws for clamping the electric control cabinet door plate, wherein the two ends of the cross rod are respectively provided with the clamping jaws, the clamping jaws are hinged with the cross rod, and the clamping jaws are provided with clamping positions corresponding to the electric control cabinet door plate. The utility model has the beneficial effects that: the opening angle of the door plate of the double-door electric control cabinet without the cabinet door supporting rod can be fixed, and therefore the production efficiency of electric appliances installed on the electric control cabinet is guaranteed.

Description

Frock is fixed to automatically controlled cabinet door plant
Technical Field
The utility model belongs to the technical field of electric control cabinet manufacturing, and particularly relates to a fixing tool for a door plate of an electric control cabinet.
Background
At present, when the electric control cabinet assembly works, the partial double-door electric control cabinet body is not provided with a cabinet door supporting rod, so that the cabinet door can freely move in the range from 0 degree to 100 degrees, great inconvenience is caused for production personnel to install electric devices, and the work efficiency of electric device installation is limited. At present, before the production staff installs the electric device operation, two toolboxes are required to be placed in the door at the lower extreme one corner of the inner side of the door or the door panel and the cabinet body hanging ring are tied by using a long rope, so that the working efficiency is limited and certain potential safety hazards exist. In addition, the part of the cabinet body is not provided with an auxiliary light source, so that when an operator operates in the cabinet body, the operator can easily see wrong parts, and production misoperation is generated.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a fixture for fixing a door plate of an electric control cabinet, so as to solve the problem that the opening angle of the door plate of a double-door electric control cabinet without a cabinet door supporting rod cannot be fixed at present, and further ensure the production efficiency of electric devices installed on the electric control cabinet.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a frock is fixed to automatically controlled cabinet door plant, includes the horizontal pole, is used for pressing from both sides the clamping jaw of tight automatically controlled cabinet door plant, the horizontal pole both ends all are equipped with the clamping jaw, the clamping jaw is articulated with the horizontal pole, be equipped with the centre gripping position that corresponds with automatically controlled cabinet door plant on the clamping jaw.
Furthermore, clamping jaw one end parallel has set firmly two articulated plates, two open in the articulated plate have with the first articulated through-hole that articulated bolt corresponds, the horizontal pole is installed in two articulated plate inboards, the horizontal pole surface and articulated plate internal surface in close contact with, the horizontal pole both ends all are equipped with the second articulated through-hole that corresponds with articulated bolt, articulated bolt is installed in first articulated through-hole and second articulated through-hole inboardly, articulated bolt one end is equipped with the hinge nut, can fix the angle of clamping jaw.
Further, the clamping jaw includes fixed plate, pressure strip, installation pipe, fixed plate and installation pipe fixed connection, the fixed plate outside corresponds is equipped with the pressure strip, be equipped with the subassembly that resets that is used for the pressure strip to reset between pressure strip and the installation pipe, form the centre gripping position between pressure strip and the fixed plate.
Furthermore, the reset assembly comprises a guide rod and a compression spring, wherein a limiting plate is arranged at one end of the guide rod, the diameter of the compression spring is smaller than that of the limiting plate and larger than that of the guide rod, the length of the compression spring is larger than that of the guide rod, the installation pipe is of a hollow pipe structure, a guide block is arranged on the inner side of one end, away from the cross rod, of the installation pipe, and a guide hole corresponding to the guide rod is formed in the guide block; the limiting plate is installed in the horizontal pole inboard, the guide bar is installed in the guiding hole inboard, compression spring installs in the guide bar outside and is located between limiting plate and the guide block, the pinch plate is kept away from the one end fixed connection of limiting plate with the guide part.
Furthermore, the guide rod is of a prism structure, and a polygonal guide hole corresponding to the prism structure is formed in the guide block.
Furthermore, a rubber pad is fixedly arranged on the side face, close to the pressing plate, of the fixing plate, and a rubber pad is fixedly arranged on the side face, close to the fixing plate, of the pressing plate.
Further, the horizontal pole includes dead lever, slide bar, the dead lever is square tubular construction, the internal surface of dead lever pole and the surface sliding connection of slide bar, two the one end that the dead lever was kept away from to the slide bar is articulated with the clamping jaw, the dead lever side has set firmly two first lock nut, the dead lever side is equipped with the through-hole that corresponds with first lock nut, two first lock nut inboard all is equipped with first lock bolt, two first lock bolt and first lock nut threaded connection, two first lock bolt's bottom respectively with the side in close contact with of two slide bars.
Furthermore, the lower end face of the cross rod is provided with an LED lamp module.
Further, be equipped with fixed pipe and rotation pipe between LED lamp module group and the horizontal pole, fixed pipe inboard and horizontal pole fixed connection, the internal surface sliding connection of fixed pipe surface and rotation pipe, LED lamp module group with rotate pipe fixed connection, it has set firmly second lock nut to rotate the pipe side, it is equipped with the through-hole that corresponds with second lock nut to rotate the pipe side, second lock nut inboard is equipped with second lock bolt, second lock bolt and second lock nut threaded connection, the bottom of second lock bolt and the surface in close contact with of fixed pipe.
Furthermore, the outer surface of the fixed round pipe is provided with anti-skid grains.
Compared with the prior art, the electric control cabinet door plate fixing tool has the following beneficial effects:
(1) according to the electric control cabinet door plate fixing tool, the opening angle of the double-door electric control cabinet door plate without the cabinet door supporting rod can be fixed by adjusting the angle between the clamping jaw and the cross rod, so that the production efficiency of electric devices installed on the electric control cabinet is ensured.
(2) According to the electric control cabinet door plate fixing tool, the LED lamp module is arranged on the cross rod, so that the illumination intensity in the cabinet can be enhanced, misoperation in the production process is reduced, and the production quality and the production efficiency are improved.
(3) According to the electric control cabinet door plate fixing tool, rubber pads are arranged on the surfaces, contacting with the electric control cabinet door plate, of the fixing plate and the pressing plate of the clamping jaw, friction force between the clamping jaw and the electric control cabinet door plate can be improved through the rubber pads, and the rubber pads with certain elasticity can also play a role in protecting the surface paint of the electric control cabinet door plate from being damaged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural view of a fixture for fixing a door plate of an electric control cabinet according to an embodiment of the utility model;
FIG. 2 is a cross-sectional view of a clamping jaw according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a module such as an LED according to an embodiment of the present invention;
fig. 4 is a schematic view of an application structure of the tool according to the embodiment of the present invention.
Description of reference numerals:
1-a clamping jaw; 2-a cross bar; 3-a hinge bolt; 4-a hinge nut; 5-fixing the round pipe; 6, rotating the round pipe; 7-LED lamp module; 8-a first locking nut; 9-a first locking bolt; 10-a second lock nut; 11-a second locking bolt; 12-electric control cabinet door plate; 101-installing a pipe; 102-a compacting plate; 103-a fixed plate; 104-hinged plate; 105-a guide block; 106-compression spring; 107-guide bar; 108-a limiting plate; 109-rubber pad; 201-sliding rod; 202-fixing the rod.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, the fixture for fixing the door plate of the electric control cabinet comprises a cross rod and clamping jaws for clamping the door plate of the electric control cabinet, wherein the clamping jaws are arranged at two ends of the cross rod and hinged to the cross rod, and clamping positions corresponding to the door plate of the electric control cabinet are arranged on the clamping jaws. The direction of the hinging rotation is perpendicular to the clamping direction of the clamping jaw 1. Two hinged plates 104 are fixedly arranged at one end of the clamping jaw 1 in parallel, first hinged through holes corresponding to the hinged bolts 3 are formed in the two hinged plates 104, the cross rod 2 is installed on the inner sides of the two hinged plates 104, the outer surface of the cross rod 2 is in close contact with the inner surfaces of the hinged plates 104, second hinged through holes corresponding to the hinged bolts 3 are formed in the two ends of the cross rod 2, the hinged bolts 3 are installed on the inner sides of the first hinged through holes and the second hinged through holes, and the hinged nuts 4 are arranged at one ends of the hinged bolts 3 and can fix the angles of the clamping jaw 1. The clamping jaw 1 comprises a fixing plate 103, a pressing plate 102 and an installation tube 101, wherein the fixing plate 103 is fixedly connected with the installation tube 101, the pressing plate 102 is correspondingly arranged on the outer side of the fixing plate 103, a reset component for resetting the pressing plate 102 is arranged between the pressing plate 102 and the installation tube 101, and a clamping position is formed between the pressing plate 102 and the fixing plate 103. The reset assembly comprises a guide rod 107 and a compression spring 106, a limiting plate 108 is arranged at one end of the guide rod 107, the diameter of the compression spring 106 is smaller than that of the limiting plate 108 and larger than that of the guide rod 107, the length of the compression spring 106 is larger than that of the guide rod 107, the installation tube 101 is of a hollow tube structure, a guide block 105 is arranged on the inner side of one end, far away from the cross rod 2, of the installation tube 101, and a guide hole corresponding to the guide rod 107 is formed in the guide block 105; the limiting plate 108 is arranged on the inner side of the cross rod 2, the guide rod 107 is arranged on the inner side of the guide hole, the compression spring 106 is arranged on the outer side of the guide rod 107 and is positioned between the limiting plate 108 and the guide block 105, and the pressing plate 102 is fixedly connected with one end, far away from the limiting plate 108, of the guide part. During actual installation, the compression spring 106 is installed on the outer side of the guide rod 107, the guide block 105 is fixedly installed on the inner side of the installation pipe 101 far away from one end of the cross rod 2, then the guide rod 107 penetrates through the guide hole from the end close to the end of the cross rod, the end, far away from the end of the cross rod 2, of the guide rod 107 is fixedly connected with the pressing plate 102, and then the fixing plate 103 is fixedly installed on the side face of the installation pipe at a position corresponding to the pressing plate 102. Aligning the first hinge through hole of the hinge plate 104 with the second hinge through hole of the cross bar 2, installing the hinge bolt 3 in the first hinge through hole and the second hinge through hole, installing the hinge nut 4 at one end of the screw thread of the hinge bolt 3, and screwing the hinge nut 4 to achieve the purpose of fixing the angle of the clamping jaw 1.
The guide rod 107 is prismatic structure, be equipped with the polygon guiding hole that corresponds with prismatic structure in the guide block 105, the guide rod 107 is quadrangular prismatic structure in this embodiment, can be equipped with in the guide block 105 and correspond square through hole with the guide rod 107, and quadrangular structure can prevent effectively that guide post 107 from taking place to rotate, has guaranteed the tight effect of clamp of clamping jaw 1. The side face, close to the pressing plate 102, of the fixing plate 103 is fixedly provided with a rubber pad 109, the side face, close to the fixing plate 103, of the pressing plate 102 is fixedly provided with a rubber pad 109, the fixing plate of the clamping jaw and the face, in contact with the electric control cabinet door panel, of the pressing plate are both provided with rubber pads, friction force between the clamping jaw and the electric control cabinet door panel can be improved through the rubber pads, and the rubber pads with certain elasticity can also play a role in protecting the surface paint of the electric control cabinet door panel from being damaged.
Horizontal pole 2 includes dead lever 202, slide bar 201, dead lever 202 is square tubular construction, the internal surface of dead lever 202 pole and the surface sliding connection of slide bar 201, the one end that dead lever 202 was kept away from to two slide bars 201 is articulated with clamping jaw 1, dead lever 202 side has set firmly two first lock nut 8, dead lever 202 side is equipped with the through-hole that corresponds with first lock nut 8, two 8 inboard first lock nuts all are equipped with first lock bolt 9, two 9 and 8 threaded connection of first lock nut, the bottom of two first lock bolts 9 respectively with the side in close contact with of two slide bar 201. The width of the tool can be adjusted by matching the two sliding rods 201 with the fixed rod 202, and the application range of the tool is widened.
The terminal surface is equipped with LED lamp module 7 under the horizontal pole 2, and LED lamp module 7 includes LED lamp, battery, and the LED lamp passes through hand switch and battery electric connection. Be equipped with fixed pipe 5 and rotation pipe 6 between LED lamp module 7 and the horizontal pole 2, 5 inboards of fixed pipe and 2 fixed connection of horizontal pole, the internal surface sliding connection of 5 surfaces of fixed pipe and rotation pipe 6, LED lamp module 7 with rotate pipe fixed connection, rotate 6 sides of pipe and have set firmly second lock nut 10, rotate 6 sides of pipe and be equipped with the through-hole that corresponds with second lock nut 10, second lock nut 10 inboard is equipped with second lock bolt 11, second lock bolt 11 and 10 threaded connection of second lock nut, the bottom of second lock bolt 11 and the surface in close contact with of fixed pipe 5, anti-skidding line is established to 5 surfaces of fixed pipe, and anti-skidding line can play and prevent 11 gliding effects of second lock bolt, has improved the stability of frock. Be equipped with LED lamp module 7 on the horizontal pole 2, can strengthen the illumination intensity in the automatically controlled cabinet, reduce the maloperation of production process, improve production quality and production efficiency. And the illumination angle of the LED lamp module 7 can be adjusted by rotating the round tube, so that the application range of the tool is widened. The LED lamp module 7 is prior art.
As shown in fig. 4, in the actual use process of the tool, two first locking bolts 9 need to be loosened, the length of the cross rod 2 is adjusted according to the distance between the two electric control cabinet door panels 12, and then the two first locking bolts 9 are screwed to fix the length of the cross rod. Then loosening the hinged nut 4, fixing the angle of the angle adjustment clamping jaw 1 of the two electric control cabinet door plates 12 according to requirements, and screwing the nut 4 to fix the angle of the clamping jaw 1. The tool is placed on the electric control cabinet door plate 12, the position of the tool is adjusted, the pressing plate 102 is pulled towards the two sides of the tool, the electric control cabinet door plate 12 enters the space between the fixing plate 103 and the pressing plate 102, and then the pressing plate 102 is loosened to reset and press the electric control cabinet door plate 12 under the action of the compression spring 106. Through adjusting the angle between clamping jaw 1 and the horizontal pole 2, can fix the opening angle of two automatically controlled cabinet door plants 12 that open a door that do not possess the cabinet door bracing piece, and then guarantee the production efficiency of automatically controlled cabinet installation electrical part.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a frock is fixed to automatically controlled cabinet door plant which characterized in that: including horizontal pole (2), clamping jaw (1) that are used for pressing from both sides tight automatically controlled cabinet door plant (12), horizontal pole (2) both ends all are equipped with clamping jaw (1), clamping jaw (1) are articulated with horizontal pole (2), be equipped with the centre gripping position that corresponds with automatically controlled cabinet door plant (12) on clamping jaw (1).
2. The electric control cabinet door plate fixing tool according to claim 1, characterized in that: clamping jaw (1) one end parallel has set firmly two articulated sheets (104), two open in articulated sheet (104) and have the first articulated through-hole that corresponds with articulated bolt (3), horizontal pole (2) are installed in two articulated sheets (104) inboardly, horizontal pole (2) surface and articulated sheet (104) internal surface in close contact with, horizontal pole (2) both ends all are equipped with the articulated through-hole of second that corresponds with articulated bolt (3), articulated bolt (3) are installed in first articulated through-hole and the articulated through-hole of second is inboard, articulated bolt (3) one end is equipped with hinge nut (4), can the angle of fixed clamping jaw (1).
3. The electric control cabinet door plate fixing tool according to claim 1, characterized in that: the clamping jaw (1) comprises a fixing plate (103), a pressing plate (102) and an installation pipe (101), the fixing plate (103) is fixedly connected with the installation pipe (101), the pressing plate (102) is correspondingly arranged on the outer side of the fixing plate (103), a reset assembly used for resetting the pressing plate (102) is arranged between the pressing plate (102) and the installation pipe (101), and a clamping position is formed between the pressing plate (102) and the fixing plate (103).
4. The electric control cabinet door plate fixing tool according to claim 3, characterized in that: the resetting assembly comprises a guide rod (107) and a compression spring (106), a limiting plate (108) is arranged at one end of the guide rod (107), the diameter of the compression spring (106) is smaller than that of the limiting plate (108) and larger than that of the guide rod (107), the length of the compression spring (106) is larger than that of the guide rod (107), the mounting pipe (101) is of a hollow pipe structure, a guide block (105) is arranged on the inner side of one end, far away from the cross rod (2), of the mounting pipe (101), and a guide hole corresponding to the guide rod (107) is formed in the guide block (105);
the limiting plate (108) is installed on the inner side of the cross rod (2), the guide rod (107) is installed on the inner side of the guide hole, the compression spring (106) is installed on the outer side of the guide rod (107) and located between the limiting plate (108) and the guide block (105), and the pressing plate (102) is fixedly connected with one end, far away from the limiting plate (108), of the guide part.
5. The electric control cabinet door plate fixing tool according to claim 4, characterized in that: the guide rod (107) is of a prism structure, and a polygonal guide hole corresponding to the prism structure is formed in the guide block (105).
6. The electric control cabinet door plate fixing tool according to claim 3, characterized in that: a rubber pad (109) is fixedly arranged on the side face, close to the pressing plate (102), of the fixing plate (103), and a rubber pad (109) is fixedly arranged on the side face, close to the fixing plate (103), of the pressing plate (102).
7. The electric control cabinet door plate fixing tool according to claim 1, characterized in that: horizontal pole (2) are including dead lever (202), slide bar (201), dead lever (202) are square tubular structure, the internal surface of dead lever (202) pole and the surface sliding connection of slide bar (201), two the one end that dead lever (202) were kept away from in slide bar (201) is articulated with clamping jaw (1), dead lever (202) side has set firmly two first lock nut (8), dead lever (202) side is equipped with the through-hole that corresponds with first lock nut (8), two first lock nut (8) inboard all is equipped with first lock bolt (9), two first lock bolt (9) and first lock nut (8) threaded connection, two the bottom of first lock bolt (9) respectively with the side in close contact with of two slide bar (201).
8. The electric control cabinet door plate fixing tool according to claim 1, characterized in that: and the lower end face of the cross rod (2) is provided with an LED lamp module (7).
9. The electric control cabinet door plate fixing tool according to claim 8, characterized in that: be equipped with fixed pipe (5) and rotate pipe (6) between LED lamp module (7) and horizontal pole (2), fixed pipe (5) inboard and horizontal pole (2) fixed connection, fixed pipe (5) surface and the internal surface sliding connection who rotates pipe (6), LED lamp module (7) and rotation pipe fixed connection, it has second lock nut (10) to rotate pipe (6) side firmly, it is equipped with the through-hole that corresponds with second lock nut (10) to rotate pipe (6) side, second lock nut (10) inboard is equipped with second lock bolt (11), second lock bolt (11) and second lock nut (10) threaded connection, the surface in close contact with of the bottom of second lock bolt (11) and fixed pipe (5).
10. The electric control cabinet door plate fixing tool according to claim 9, characterized in that: the outer surface of the fixed round pipe (5) is provided with anti-skid grains.
CN202121366802.6U 2021-06-17 2021-06-17 Frock is fixed to automatically controlled cabinet door plant Active CN216130724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121366802.6U CN216130724U (en) 2021-06-17 2021-06-17 Frock is fixed to automatically controlled cabinet door plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121366802.6U CN216130724U (en) 2021-06-17 2021-06-17 Frock is fixed to automatically controlled cabinet door plant

Publications (1)

Publication Number Publication Date
CN216130724U true CN216130724U (en) 2022-03-25

Family

ID=80766504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121366802.6U Active CN216130724U (en) 2021-06-17 2021-06-17 Frock is fixed to automatically controlled cabinet door plant

Country Status (1)

Country Link
CN (1) CN216130724U (en)

Similar Documents

Publication Publication Date Title
CN112152178A (en) Automatic locking damper
CN216130724U (en) Frock is fixed to automatically controlled cabinet door plant
CN218958497U (en) Bolt type aluminum alloy strain clamp
CN115776072B (en) Overhead line device for power equipment construction
CN204658277U (en) A kind of adjustable panel-mounted stationary fixture
CN211716375U (en) Lighting equipment's installation device
CN210398169U (en) Transformer substation operation state monitoring box convenient to install
CN208284971U (en) Combined tower crane electric cable fixing clamp
CN217183592U (en) AC/DC power monitoring system for practical training of small intelligent micro-grid
CN214124528U (en) Transport support for power distribution cabinet
CN220510615U (en) Line hidden trouble investigation device for integrated intelligent device cabinet
CN215537890U (en) Emergency safety rescue is with breaking door device
CN213330293U (en) Power rail accessory for transformer substation
CN217545432U (en) Fixing device for photovoltaic cable
CN213402395U (en) Cable adapter for electric power engineering
CN219283127U (en) Lighting equipment with anti-falling structure
CN114123039B (en) High-voltage electrode assembly and disassembly device of lightning arrester and assembly and disassembly method thereof
CN217642621U (en) Wire fixing clamp for high-voltage cable
CN218715349U (en) Adjustable safety protection net
CN213661074U (en) Cable clamp
CN208895994U (en) A kind of photovoltaic solar energy streetlight auxiliary installing device
CN217669009U (en) Anti-shearing nut processing clamping device
CN214506377U (en) Cable T-shaped head detacher
CN218633044U (en) Auxiliary device is changed to fuse
CN214839614U (en) Electric power installation equipment installation positioner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230717

Address after: No. 100, Hangtian Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), Binhai, Tianjin 300450

Patentee after: TIANJIN RUIYUAN ELECTRICAL Co.,Ltd.

Address before: No.1 Xinghua No.7 Branch Road, economic development zone, Xiqing District, Tianjin

Patentee before: Tianjin Ruineng electric Co.,LTD.