CN213161706U - Stator stoving case with prevent light leakage effect - Google Patents
Stator stoving case with prevent light leakage effect Download PDFInfo
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- CN213161706U CN213161706U CN202021359737.XU CN202021359737U CN213161706U CN 213161706 U CN213161706 U CN 213161706U CN 202021359737 U CN202021359737 U CN 202021359737U CN 213161706 U CN213161706 U CN 213161706U
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- box
- lead screw
- stator
- drying box
- fixedly connected
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- 230000000694 effects Effects 0.000 title claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 34
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a stator drying box with anti-leakage effect, belonging to the technical field of motor production, comprising a lifting frame and a drying box; a lifting frame; stoving case, the stoving case includes box, UV lamp, ultraviolet sensor, ultraviolet light screen, profile modeling light screen, the fan and the fan that induced drafts, install on the inner wall of box the UV lamp, install the inside diagonal department of box ultraviolet sensor, all install the both sides of ultraviolet sensor the ultraviolet light screen, top one side of box is provided with the profile modeling light screen, the box is located one side of UV lamp is all installed the fan of blowing drives first lead screw lift and second lead screw lift work respectively by driving motor for adjust the height of the inside lead screw of first lead screw lift and second lead screw lift, accomplish the height of adjusting the stoving case.
Description
Technical Field
The utility model belongs to the technical field of motor production, particularly, relate to a stator stoving case with prevent light leakage effect.
Background
The motor is used as a power source of various devices and is widely applied to various fields of society, the stator is a core component of the motor, and in the production process of the stator, the stator winding needs to be subjected to paint dipping and drying treatment so as to improve the moisture resistance of the insulation of the stator winding, slow down the aging speed of the insulation of the stator winding, improve the heat conduction performance and increase the heat dissipation effect, thereby improving the electrical performance and the mechanical strength of the stator winding.
The existing drying device is used for drying the stator, and the sealing effect of the drying box is poor, so that the leakage of an ultraviolet light source is easily caused, and the drying effect of the stator paint dipping is reduced.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a stator stoving case with prevent light leakage effect aims at solving current drying device and seals the effect not good, leads to the problem that the ultraviolet light source leaked easily.
The utility model discloses a realize like this:
a stator stoving case with prevent light leakage effect includes:
a lifting frame;
the stoving case, the stoving case includes box, UV lamp, ultraviolet sensor, ultraviolet light screen, profile modeling light screen, the fan and the fan that induced drafts, install on the inner wall of box the UV lamp, install the inside diagonal department of box ultraviolet sensor, all install the both sides of ultraviolet sensor the ultraviolet light screen, top one side of box is provided with the profile modeling light screen, the box is located one side of UV lamp is all installed the fan of blowing, the box is located install one side of the fan of blowing the fan induced drafts the fan.
The utility model discloses an in the embodiment, clearance reservation mouth has been seted up to bottom one side of box.
The utility model discloses an in one embodiment, the top of profile modeling light screen is the symmetry and is provided with two dodge gates, two the dodge gate with be provided with between the profile modeling light screen and be used for the gliding slide rail of dodge gate, two the equal fixedly connected with pivot in both sides of dodge gate.
In an embodiment of the present invention, two driving mechanisms for opening and closing the movable door are respectively installed on one side of the movable door.
The utility model discloses an in one embodiment, actuating mechanism comprises cylinder and telescopic link, the cylinder install in top one side of box, the output fixedly connected with of cylinder the telescopic link, the one end of telescopic link with the one end fixed connection of pivot.
The utility model discloses an in the embodiment, the top swing joint of crane has the fixed plate, bottom one side fixed connection of stoving case in top one side of fixed plate.
The utility model discloses an in the embodiment, the backup pad is all installed, two to the inside both sides of crane all be provided with two guide bars in the backup pad, the equal fixedly connected with fixed block of one end of two guide bars, the top fixed connection of fixed block in the fixed plate bottom.
The utility model discloses an in the embodiment, the internally mounted of crane has two sets of mounting brackets, and is two sets of install elevating system on the mounting bracket.
In one embodiment of the present invention, the lifting mechanism comprises a first mounting plate, a second mounting plate, a first lead screw lifter, a second lead screw lifter, a connecting rod, a quincuncial coupling and a driving motor, the first mounting plate and the second mounting plate are respectively fixedly connected on the two groups of mounting frames, the top parts of the first mounting plate and the second mounting plate are respectively fixedly provided with the first screw rod lifter and the second screw rod lifter, one end of the first lead screw lifter is fixedly connected with the connecting rod through the plum coupling, one end of the connecting rod is fixedly connected with one end of the second lead screw lifter through a plum coupling, install one side of first mounting panel driving motor, driving motor's output passes through plum blossom shaft coupling fixed connection in the other end of first lead screw lift.
In an embodiment of the present invention, the bottom of the lifting frame is connected with the base through a screw.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by arranging the profiling light screen at the top of the box body and arranging the ultraviolet light screens at the two sides of the box body, which are positioned on the ultraviolet sensor, when the clamping jaws clamp the stator and put into the box body, light emitted by the UV lamp is shielded by the profiling light screen, the stator and the clamping jaws; and blow the stator through the heat that the fan of blowing produced the UV lamp on, the gaseous suction that the fan of induced drafting will blow in, the power that the ultraviolet sensor response UV lamp sent light, the ultraviolet light screen shelters from the light that the UV lamp penetrated ultraviolet sensor directly, prevents the response error.
(2) Through setting up the elevating system in the crane inside, when the height of stoving case is adjusted to needs, drive first lead screw lift and the work of second lead screw lift by driving motor respectively for adjust the height of the inside lead screw of first lead screw lift and second lead screw lift, accomplish the height of adjusting the stoving case.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural diagram of a stator drying box with an anti-leakage effect according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a lifting frame of a stator drying box with an anti-leakage effect provided by the embodiment of the invention;
fig. 3 is a schematic structural view of a lifting mechanism of a stator drying box with an anti-leakage effect according to an embodiment of the present invention;
fig. 4 is an exploded view of a drying box of a stator drying box with an anti-leakage effect according to an embodiment of the present invention;
fig. 5 is an assembly view of a drying box of a stator drying box with an anti-leakage effect according to an embodiment of the present invention;
fig. 6 is a cross-sectional view taken at a-a in fig. 5.
Description of reference numerals: 100-lifting frame, 110-supporting plate, 111-guiding bar, 112-fixing block, 120-mounting frame, 130-lifting mechanism, 131-first mounting plate, 132-second mounting plate, 133-first screw rod lifter, 134-second screw rod lifter, 135-connecting bar, 136-plum coupling, 137-driving motor, 140-fixing plate and 200-drying box, 210-box body, 211-cleaning reserved opening, 220-UV lamp, 230-ultraviolet sensor, 240-ultraviolet light shading plate, 250-profiling light shading plate, 260-blowing fan, 270-air suction fan, 280-movable door, 281-slide rail, 282-rotating shaft, 290-driving mechanism, 291-air cylinder, 292-telescopic rod and 300-base.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Examples
Referring to the attached drawings 1-6, the utility model provides a technical scheme: a stator drying box 200 with an anti-leakage effect comprises a lifting frame 100 and a drying box 200.
Referring to fig. 1, 4-6, a crane 100; stoving case 200, stoving case 200 includes box 210, UV lamp 220, ultraviolet sensor 230, ultraviolet light screen 240, profile modeling light screen 250, fan 260 and induced draft fan 270 blow, install UV lamp 220 on the inner wall of box 210, ultraviolet sensor 230 is installed to the inside diagonal department of box 210, ultraviolet light screen 240 is all installed to ultraviolet sensor 230's both sides, top one side of box 210 is provided with profile modeling light screen 250, fan 260 is all installed to one side that box 210 is located UV lamp 220, box 210 is located fan 270 is installed to one side of fan 260 blows.
In this embodiment, when a stator needs to be dried, the movable door 280 opens the clamping jaws to clamp the stator and place the stator into the box 210, and ultraviolet rays emitted by the UV lamp 220 are shielded by the profiling light-shielding plate 250, the stator and the clamping jaws through the profiling light-shielding plate 250 at the top of the box 210; blow on fan 260 blows the stator with the heat that UV lamp 220 produced, the gaseous suction that blows in is gone out to induced draft fan 270, UV sensor 230 responds to UV lamp 220 and sends the power of light, through setting up the ultraviolet light screen 240 in UV sensor 230 both sides, can shelter from UV lamp 220 and shine UV sensor 230's light directly, prevent induction error, when the stator is dried and is accomplished, clamping jaw and stator leave box 210, meanwhile, dodge gate 280 closes the light that UV lamp 220 sent.
As an embodiment of the present invention, further, a cleaning reserved opening 211 is formed at one side of the bottom of the box body 210; when the cleaning reserved opening 211 needs to be cleaned, the movable door 280 is opened to clean the paint at the bottom of the box body 210, and the cleaned paint is discharged from the cleaning reserved opening 211.
Referring to fig. 4-5, the top of the profiling light shielding plate 250 is symmetrically provided with two movable doors 280, a sliding rail 281 for sliding the movable doors 280 is arranged between the two movable doors 280 and the profiling light shielding plate 250, both sides of the two movable doors 280 are fixedly connected with a rotating shaft 282, one side of each of the two movable doors 280 is respectively provided with a driving mechanism 290 for opening and closing the movable doors 280, the driving mechanism 290 is composed of an air cylinder 291 and an expansion link 292, the air cylinder 291 is installed on one side of the top of the box 210, an output end of the air cylinder 291 is fixedly connected with the expansion link 292, and one end of the expansion link 292 is fixedly connected with one end.
In this embodiment, the cylinder 291 is powered on to drive the expansion link 292 to extend or contract, so that the movable door 280 slides left and right on the slide rail 281, and the expansion link 292 is driven to drive the movable door 280 to open or close.
Referring to fig. 1-3, the top of the lifting frame 100 is movably connected with a fixing plate 140, one side of the bottom of the drying box 200 is fixedly connected with one side of the top of the fixing plate 140, the two sides of the inside of the lifting frame 100 are provided with support plates 110, two guide rods 111 are arranged on the two support plates 110, one ends of the two guide rods 111 are fixedly connected with fixing blocks 112, the top of the fixing blocks 112 is fixedly connected with the bottom of the fixing plate 140, two sets of mounting frames 120 are arranged inside the lifting frame 100, an elevating mechanism 130 is arranged on the two sets of mounting frames 120, the elevating mechanism 130 comprises a first mounting plate 131, a second mounting plate 132, a first lead screw elevator 133, a second lead screw elevator 134, a connecting rod 135, a plum coupler 136 and a driving motor 137, the first mounting plate 131 and the second mounting plate 132 are fixedly connected with the two sets of mounting frames 120 respectively, and the tops of the first mounting plate 131 and the machine 134, the one end of first lead screw lift 133 passes through plum blossom shaft coupling 136 fixedly connected with connecting rod 135, and the one end of connecting rod 135 passes through plum blossom shaft coupling 136 fixed connection in the one end of second lead screw lift 134, and driving motor 137 is installed to one side of first mounting panel 131, and driving motor 137's output passes through plum blossom shaft coupling 136 fixed connection in the other end of first lead screw lift 133.
In this embodiment, when the drying box 200 needs to adjust the height, the first lead screw lifter 133 is respectively driven to work by electrifying the driving motor 137, and the connecting rod 135 drives the second lead screw lifter 134 to work, so that the ascending of the lead screws of the first lead screw lifter 133 and the second lead screw lifter 134 can be adjusted, meanwhile, the guide rods 111 on the two sides ascend along with the ascending of the lead screws, and the lead screws of the first lead screw lifter 133 and the second lead screw lifter 134 make the fixing plate 140 ascend to separate from the lifting frame 100, thereby achieving the purpose of adjusting the height of the drying box 200; the first lead screw lifters 133 are respectively driven to work by electrifying the driving motor 137, and the connecting rods 135 drive the second lead screw lifters 134 to work, so that the descending of the lead screws of the first lead screw lifters 133 and the second lead screw lifters 134 can be adjusted, meanwhile, the guide rods 111 on the two sides descend along with the descending of the lead screws, and the lead screws of the first lead screw lifters 133 and the second lead screw lifters 134 enable the fixing plates 140 to descend to the interior of the lifting frame 100.
As an embodiment of the present invention, further, the bottom of the lifting frame 100 is connected with a base 300 by a screw thread; when the ground is uneven, the crane 100 can keep the same level height by adjusting different heights of the base 300.
Specifically, this stator stoving case 200 with prevent light leakage effect's theory of operation: when the stator is dried, the air cylinder 291 is electrified to drive the telescopic rod 292 to extend and drive the two movable doors 280 to slide towards the left side and the right side on the sliding rail 281, after the movable doors 280 are opened, the clamping jaws clamp the stator and are placed into the box body 210, and ultraviolet light rays emitted by the UV lamp 220 are shielded by the profiling light-shielding plate 250, the stator and the clamping jaws through the profiling light-shielding plate 250 at the top of the box body 210; the blowing fan 260 blows heat generated by the UV lamp 220 to the stator, the suction fan 270 sucks out blown gas, the ultraviolet sensor 230 senses the intensity of light emitted by the UV lamp 220, the ultraviolet light shading plates 240 arranged on two sides of the ultraviolet sensor 230 can shade the light of the UV lamp 220 directly irradiating the ultraviolet sensor 230, sensing errors are prevented, when the stator is dried, the clamping jaws and the stator leave the box body 210, and the cylinder 291 drives the telescopic rod 292 to contract to drive the movable door 280 to close; when the drying box 200 needs to be adjusted in height, the first lead screw lifter 133 is respectively driven to work by electrifying the driving motor 137, the connecting rod 135 is enabled to drive the second lead screw lifter 134 to work, and then the ascending or descending of the lead screws of the first lead screw lifter 133 and the second lead screw lifter 134 can be adjusted, meanwhile, the guide rods 111 on two sides ascend or descend along with the ascending or descending of the lead screws, the lead screws of the first lead screw lifter 133 and the second lead screw lifter 134 enable the fixing plate 140 to ascend or descend, so that the fixing plate 140 is separated from the lifting frame 100 or is positioned in the lifting frame 100, and the purpose of adjusting the height of the drying box 200 is achieved, when the ground is not level, the lifting frame 100 can keep the same horizontal height by adjusting different heights of the base 300.
It should be noted that the specific model specifications of the driving motor 137, the UV lamp 220, the ultraviolet sensor 230, the blowing fan 260, the suction fan 270, and the air cylinder 291 need to be determined by type selection according to the actual specification of the apparatus, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the driving motor 137, the UV lamp 220, the ultraviolet sensor 230, the blowing fan 260, the suction fan 270, and the air cylinder 291, and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A stator drying box (200) with anti-leakage effect, characterized by comprising:
a lifting frame (100);
stoving case (200), stoving case (200) include box (210), UV lamp (220), ultraviolet sensor (230), ultraviolet light screen (240), profile modeling light screen (250), fan (260) and induced draft fan (270) of blowing, install on the inner wall of box (210) UV lamp (220), install the inside diagonal department of box (210) ultraviolet sensor (230), all install the both sides of ultraviolet sensor (230) ultraviolet light screen (240), top one side of box (210) is provided with profile modeling light screen (250), all install the both sides of box (210) fan (260) of blowing, box (210) are located install one side of fan (260) of blowing fan (270) induced draft fan (270).
2. The stator drying box (200) with the anti-leakage effect according to claim 1, wherein a cleaning reserved opening (211) is formed in one side of the bottom of the box body (210).
3. The stator drying box (200) with the anti-leakage effect according to claim 1, wherein two movable doors (280) are symmetrically arranged on the top of the profiling light shielding plate (250), a sliding rail (281) for the movable doors (280) to slide is arranged between the two movable doors (280) and the profiling light shielding plate (250), and two sides of the two movable doors (280) are fixedly connected with rotating shafts (282).
4. A stator drying box (200) with anti-leakage effect according to claim 3, characterized in that one side of two said movable doors (280) is respectively installed with a driving mechanism (290) for opening and closing said movable doors (280).
5. The stator drying box (200) with the anti-leakage effect according to claim 4, wherein the driving mechanism (290) comprises an air cylinder (291) and a telescopic rod (292), the air cylinder (291) is installed on one side of the top of the box body (210), the telescopic rod (292) is fixedly connected to an output end of the air cylinder (291), and one end of the telescopic rod (292) is fixedly connected to one end of the rotating shaft (282).
6. The stator drying box (200) with the leakage-proof effect as claimed in claim 1, wherein a fixing plate (140) is movably connected above the lifting frame (100), and one side of the bottom of the drying box (200) is fixedly connected to one side of the top of the fixing plate (140).
7. The stator drying box (200) with the leakage-proof effect according to claim 6, wherein the two sides of the inside of the lifting frame (100) are respectively provided with a support plate (110), two guide rods (111) are respectively arranged on the two support plates (110), one end of each guide rod (111) is fixedly connected with a fixing block (112), and the top of each fixing block (112) is fixedly connected to the bottom of the fixing plate (140).
8. The stator drying box (200) with the leakage-proof effect according to claim 1, wherein two sets of mounting frames (120) are mounted inside the lifting frame (100), and the lifting mechanisms (130) are mounted on the two sets of mounting frames (120).
9. The stator drying box (200) with the anti-light-leakage effect according to claim 8, wherein the lifting mechanism (130) comprises a first mounting plate (131), a second mounting plate (132), a first lead screw lifter (133), a second lead screw lifter (134), a connecting rod (135), a plum blossom coupling (136) and a driving motor (137), the first mounting plate (131) and the second mounting plate (132) are respectively and fixedly connected to two sets of the mounting frame (120), the first mounting plate (131) and the top of the second mounting plate (132) are respectively and fixedly installed with the first lead screw lifter (133) and the second lead screw lifter (134), one end of the first lead screw lifter (133) is fixedly connected with the connecting rod (135) through the plum blossom coupling (136), and one end of the connecting rod (135) is fixedly connected to the second lead screw lifter (134) through the plum blossom coupling (136) One end, install one side of first mounting panel (131) driving motor (137), driving motor (137)'s output passes through plum blossom shaft coupling (136) fixed connection in the other end of first lead screw lift (133).
10. A stator drying box (200) with anti-leakage effect according to claim 1, characterized in that the bottom of the lifting frame (100) is screwed with a base (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359737.XU CN213161706U (en) | 2020-07-13 | 2020-07-13 | Stator stoving case with prevent light leakage effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359737.XU CN213161706U (en) | 2020-07-13 | 2020-07-13 | Stator stoving case with prevent light leakage effect |
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| Publication Number | Publication Date |
|---|---|
| CN213161706U true CN213161706U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021359737.XU Active CN213161706U (en) | 2020-07-13 | 2020-07-13 | Stator stoving case with prevent light leakage effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871734A (en) * | 2020-06-12 | 2020-11-03 | 丹阳市逸帆电子有限公司 | Special high efficiency curing equipment of panel preparation moulds plastics |
| CN113522636A (en) * | 2021-08-03 | 2021-10-22 | 吴江市精源机电有限公司 | Continuous immersion machine |
-
2020
- 2020-07-13 CN CN202021359737.XU patent/CN213161706U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871734A (en) * | 2020-06-12 | 2020-11-03 | 丹阳市逸帆电子有限公司 | Special high efficiency curing equipment of panel preparation moulds plastics |
| CN113522636A (en) * | 2021-08-03 | 2021-10-22 | 吴江市精源机电有限公司 | Continuous immersion machine |
| CN113522636B (en) * | 2021-08-03 | 2022-05-13 | 吴江市精源机电有限公司 | Continuous immersion machine |
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Address after: Building B-101, Building 26, Zhongnan High tech Jimo Technology Innovation Industrial Park, No. 76 Dazhong 1st Road, Automobile Industry New City, Jimo District, Qingdao City, Shandong Province, 266000 Patentee after: Yingweite Intelligent Equipment (Qingdao) Co.,Ltd. Address before: Room 2019, Ivy Science Park, 33 siliu North Road, Licang District, Qingdao City, Shandong Province 266000 Patentee before: Qingdao yingweite Intelligent Equipment Co.,Ltd. |
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