CN107416695A - A kind of Mobile lifting crane for indoor high-voltage electric appliances - Google Patents
A kind of Mobile lifting crane for indoor high-voltage electric appliances Download PDFInfo
- Publication number
- CN107416695A CN107416695A CN201710605052.5A CN201710605052A CN107416695A CN 107416695 A CN107416695 A CN 107416695A CN 201710605052 A CN201710605052 A CN 201710605052A CN 107416695 A CN107416695 A CN 107416695A
- Authority
- CN
- China
- Prior art keywords
- fixed
- voltage electric
- electric appliances
- indoor high
- lifting crane
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of Mobile lifting crane for indoor high-voltage electric appliances, including electric cabinet, ballast box and steel wire rope, the electric cabinet is located at the inside of firm banking, and movable pulley is connected with below firm banking, the ballast box is located at the top of firm banking, the inside of the fix bar is provided with oil cylinder, and expansion link is connected with above fix bar, the expansion link is fixedly arranged above connecting rod, and the inside of connecting rod is fixed with No. three motors, the connecting rod is fixedly arranged above support bar, bearing bar is installed above the draw-beam, the steel wire rope is located at the lower section of bearing bar, and clamper is connected with below steel wire rope, the fixed rack is connected by the fixed block of inside with the goods carrier on right side.The Mobile lifting crane for indoor high-voltage electric appliances, it can adjust lifting depth of beam and angle so that clamper easily lifts to goods, and goods carrier avoids clamper from shaking in the air.
Description
Technical field
The present invention relates to High-Voltage Electrical Appliances equipment technology field of transport, specially a kind of Mobile type indoor high-voltage electrical equipment is hung
Dress driving.
Background technology
High-Voltage Electrical Appliances are to be used for realizing the equipment that closes, cut-off, protecting, controlling, adjusting, measuring in high-tension line, one
As High-Voltage Electrical Appliances include device for switching, measure electrical equipment and current limliting, pressure limiting electrical equipment.The boundary of generally acknowledged high and low voltage electrical equipment in the world
Line exchange is that 1kV (direct current is then 1500V) is that exchange more than 1kV is High-Voltage Electrical Appliances, when carrying out the transport in High-Voltage Electrical Appliances room,
Need to use lifting crane, for existing lifting crane, it is necessary to manually carry out transfer up and down with lifting rope, increase hand labor is strong
Degree, and when carrying out lifting mobile, it is impossible to the direction of convenient adjustment clamper, when transport is fixed, Zhi Nengyong
Clamper is moved, and High-Voltage Electrical Appliances, which are also easy to produce, to be rocked.
The content of the invention
It is an object of the invention to provide a kind of Mobile lifting crane for indoor high-voltage electric appliances, to solve above-mentioned background
It is proposed is artificial in technology carries out transfer up and down, increase hand labor intensity with lifting rope, it is impossible to convenient adjustment clamper
Direction, when transport is fixed, High-Voltage Electrical Appliances are also easy to produce the problem of rocking.
To achieve the above object, the present invention provides following technical scheme：A kind of Mobile type indoor high-voltage electrical equipment lifting
Driving, including electric cabinet, ballast box and steel wire rope, the electric cabinet are located at the inside of firm banking, and the lower section of firm banking
Movable pulley is connected with, the right of the electric cabinet is provided with No.1 motor, and is connected with transmission mechanism above No.1 motor, institute
The top that ballast box is located at firm banking is stated, and the right side above ballast box is provided with fix bar, the inside peace of the fix bar
Equipped with oil cylinder, and expansion link is connected with above fix bar, the expansion link is fixedly arranged above connecting rod, and connecting rod is interior
Portion is fixed with No. three motors, and the connecting rod is fixedly arranged above support bar, and draw-beam is connected with the left of support bar, described
Bearing bar is installed above draw-beam, and the right of bearing bar is provided with No. three motors, the steel wire rope is located at bearing bar
Lower section, and clamper is connected with below steel wire rope, the left side above the ballast box is fixed with fixed plate, and fixed plate is interior
Portion is provided with fixed rack, and the fixed rack is connected by the fixed block of inside with the goods carrier on right side.
Preferably, the movable pulley has 3 groups on firm banking center line symmetrical setting, and passes through transmission between movable pulley
Mechanism is connected.
Preferably, the expansion link is welded to connect with connecting rod.
Preferably, the top inside the expansion link is provided with fixed groove.
Preferably, the support bar is rotatable structure, and both sides below are fixed with fixed projection.
Preferably, the fixed groove is inlayed for neck with fixed projection and is connected.
Preferably, the bearing bar is arranged to " work " font, and the centre of bearing bar is fixed with cord.
Preferably, the fixed rack is symmetrically arranged with 2 on fixed plate, and fixed rack can with fixed block composition
Detaching structure.
Preferably, the goods carrier surface is arranged to frosted material, and its length is less than the length of ballast box, goods carrier
Width is more than the width of fixed plate.
Preferably, the length of the draw-beam is less than the length of ballast box.
Compared with prior art, the beneficial effects of the invention are as follows：The Mobile lifting crane for indoor high-voltage electric appliances,
(1) under the control of No.1 motor, movable pulley is moved, and ballast box increases the stability of the lifting crane, keeps away
Exempt from situation about being toppled when being lifted, expansion link can be extended；
(2) support bar can be rotated, and such design is conveniently adjusted lifting depth of beam and angle so that clamper can
Easily goods is lifted, the storage goods that goods carrier can be temporary transient, increase the storage capacity once lifted；
(3) clamper can be avoided to shake in the air in addition, under the control of electric cabinet, the lifting crane is not required to very important person
Work pulls rope, reduces labor intensity, improves practicality.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is right side structural representation of the present invention；
Fig. 3 is mplifying structure schematic diagram at A of the present invention.
In figure：1st, firm banking, 2, electric cabinet, 3, movable pulley, 4, No.1 motor, 5, transmission mechanism, 6, ballast box, 7, solid
Fixed pole, 8, oil cylinder, 9, expansion link, 91, fixed groove, 10, connecting rod, 11, No. two motors, 12, support bar, 121, fixation it is convex
Block, 13, No. three motors, 14, bearing bar, 15, steel wire rope, 16, clamper, 17, fixed plate, 18, fixed rack, 19, goods carrier,
20th, fixed block, 21, draw-beam.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of Mobile type indoor high-voltage electrical equipment lifting row
Car, including firm banking 1, electric cabinet 2, movable pulley 3, No.1 motor 4, transmission mechanism 5, ballast box 6, fix bar 7, oil cylinder 8, stretch
Contracting bar 9, fixed groove 91,10, No. two motors 11 of connecting rod, support bar 12, fixed projection 121, No. three motors 13, bearing bars
14th, steel wire rope 15, clamper 16, fixed plate 17, fixed rack 18, goods carrier 19, fixed block 20 and draw-beam 21, electric cabinet
2 are located at the inside of firm banking 1, and the lower section of firm banking 1 is connected with movable pulley 3, and movable pulley 3 is on the center of firm banking 1
Line is symmetrically arranged with 3 groups, and is connected between movable pulley 3 by transmission mechanism 5, increases stability, and the right of electric cabinet 2 is set
There is No.1 motor 4, and the top of No.1 motor 4 is connected with transmission mechanism 5, ballast box 6 is located at the top of firm banking 1, and matches somebody with somebody
The right side of the top of loaded van 6 is provided with fix bar 7, and the inside of fix bar 7 is provided with oil cylinder 8, and the top of fix bar 7 is connected with and stretched
Contracting bar 9, the top inside expansion link 9 are provided with fixed groove 91, and expansion link 9 is fixedly arranged above connecting rod 10, expansion link 9 with
Connecting rod 10 is welded to connect, and stability is strong, and the inside of connecting rod 10 is fixed with No. three motors 11, and connecting rod 10 is fixedly arranged above
Support bar 12, and the left side of support bar 12 is connected with draw-beam 21, the length of draw-beam 21 is less than the length of ballast box 6, design
Rationally, it is easy to rotate, support bar 12 is rotatable structure, and both sides below are fixed with fixed projection 121, fixed groove
91 with fixed projection 121 be that neck is inlayed and be connected, is easy to rotation support bar 12, and the top of draw-beam 21 is provided with bearing bar 14,
And the right of bearing bar 14 is provided with No. three motors 13, bearing bar 14 is arranged to " work " font, and bearing bar 14 is middle fixed
There is cord 15, increase its stability, steel wire rope 15 is located at the lower section of bearing bar 14, and the lower section of steel wire rope 15 is connected with clamper
16, the left side of the top of ballast box 6 is fixed with fixed plate 17, and the inside of fixed plate 17 is provided with fixed rack 18, fixed rack
18 are symmetrically arranged with 2 on fixed plate 17, and fixed rack 18 forms demountable structure with fixed block 20, is easy to goods carrier
19 carry out upper and lower movement, and fixed rack 18 is connected by the fixed block 20 of inside with the goods carrier 19 on right side, goods carrier
19 surfaces are arranged to frosted material, are easy to firm arrangement of goods and its length is less than the length of ballast box 6, the width of goods carrier 19
More than the width of fixed plate 17, it is easy to deposit goods.
Operation principle：When using the Mobile lifting crane for indoor high-voltage electric appliances, under the control of electric cabinet 2,
No.1 motor 4 starts, and under the drive of transmission mechanism 5, movable pulley 3 will move, and ballast box 6 increases the stabilization of the lifting crane
Property, situation about being toppled when being lifted is avoided, oil cylinder 8 elongates or shortens, and will drive expansion link 9 that length occurs
Change, consequently facilitating the height of adjustment draw-beam 21, when No. two motors 11 rotate, support bar 12 is therewith in connecting rod 10
Portion rotates, and now fixes projection 121 in the inner rotation of fixed groove 91, the anglec of rotation of such convenient adjustment draw-beam 21 of design
Degree, consequently facilitating being lifted to High-Voltage Electrical Appliances, after clamper 16 picks up High-Voltage Electrical Appliances fixation, in the band of No. three motors 13
Under dynamic, steel wire rope 15 will be contracted on bearing bar 14, and now support bar 12 is rotated, until draw-beam 21 is in goods carrier 19
Surface, then steel wire rope 15 extends, until goods falls above goods carrier 19, goods carrier 19 can carry out the tune of upper-lower position
Section, movable pulley 3 will move afterwards, avoid clamper 16 from shaking in the air, until behind appointed place, clamper 16 will
Goods unloads, and adds overall practicality.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of Mobile lifting crane for indoor high-voltage electric appliances, including electric cabinet (2), ballast box (6) and steel wire rope (15),
It is characterized in that：The electric cabinet (2) is located at the inside of firm banking (1), and is connected with movable pulley below firm banking (1)
(3), the right of the electric cabinet (2) is provided with No.1 motor (4), and is connected with transmission mechanism above No.1 motor (4)
(5), the ballast box (6) is located at the top of firm banking (1), and the right side above ballast box (6) is provided with fix bar (7),
The inside of the fix bar (7) is provided with oil cylinder (8), and expansion link (9), the expansion link are connected with above fix bar (7)
(9) be fixedly arranged above connecting rod (10), and the inside of connecting rod (10) is fixed with No. three motors (11), the connecting rod (10)
Be fixedly arranged above support bar (12), and draw-beam (21) is connected with the left of support bar (12), the draw-beam (21) it is upper
Side is provided with bearing bar (14), and the right of bearing bar (14) is provided with No. three motors (13), and the steel wire rope (15), which is located at, holds
The lower section of weight bar (14), and clamper (16) is connected with below steel wire rope (15), the left side above the ballast box (6) is fixed
There is fixed plate (17), and the inside of fixed plate (17) is provided with fixed rack (18), the fixed rack (18) passes through inside
Fixed block (20) is connected with the goods carrier (19) on right side.
A kind of 2. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：The shifting
Driving wheel (3) has 3 groups on firm banking (1) center line symmetrical setting, and is connected between movable pulley (3) by transmission mechanism (5)
Connect.
A kind of 3. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：It is described to stretch
Contracting bar (9) is welded to connect with connecting rod (10).
A kind of 4. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：It is described to stretch
The internal top of contracting bar (9) is provided with fixed groove (91).
A kind of 5. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：The branch
Strut (12) is rotatable structure, and both sides below are fixed with fixed projection (121).
A kind of 6. Mobile lifting crane for indoor high-voltage electric appliances according to claim 4, it is characterised in that：It is described solid
It is that neck is inlayed and is connected to determine groove (91) and fixed projection (121).
A kind of 7. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：It is described to hold
Weight bar (14) is arranged to " work " font, and the centre of bearing bar (14) is fixed with cord (15).
A kind of 8. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：It is described solid
Determine slide rail (18) and be symmetrically arranged with 2 on fixed plate (17), and fixed rack (18) is formed detachably with fixed block (20)
Structure.
A kind of 9. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：The goods
Rack (19) surface is arranged to frosted material, and its length is less than the length of ballast box (6), and the width of goods carrier (19) is more than admittedly
The width of fixed board (17).
A kind of 10. Mobile lifting crane for indoor high-voltage electric appliances according to claim 1, it is characterised in that：It is described
The length of draw-beam (21) is less than the length of ballast box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605052.5A CN107416695B (en) | 2017-07-24 | 2017-07-24 | A kind of Mobile lifting crane for indoor high-voltage electric appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605052.5A CN107416695B (en) | 2017-07-24 | 2017-07-24 | A kind of Mobile lifting crane for indoor high-voltage electric appliances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107416695A true CN107416695A (en) | 2017-12-01 |
| CN107416695B CN107416695B (en) | 2018-12-18 |
Family
ID=60429993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710605052.5A Active CN107416695B (en) | 2017-07-24 | 2017-07-24 | A kind of Mobile lifting crane for indoor high-voltage electric appliances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107416695B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174008A (en) * | 2020-09-27 | 2021-01-05 | 湖南楚怀建材有限公司 | Hoisting machine for manufacturing large-caliber reinforced concrete drain pipe |
| CN112551416A (en) * | 2020-12-09 | 2021-03-26 | 安徽浩瀚星宇新能源科技有限公司 | A centre gripping hoisting machine constructs that is used for new energy automobile to produce with equipment |
| CN112563554A (en) * | 2020-12-09 | 2021-03-26 | 安徽浩瀚星宇新能源科技有限公司 | Battery production is with equipment system for new energy automobile |
| CN118062750A (en) * | 2024-04-25 | 2024-05-24 | 泰州市惠泽机械有限公司 | Lifting device of self-walking crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201447317U (en) * | 2009-07-09 | 2010-05-05 | 扬州华泰特种设备有限公司 | Rotary hoisting frame electromagnetic crane |
| CN103723636A (en) * | 2014-01-27 | 2014-04-16 | 阙先进 | Indoor lifting device |
| CN104444867A (en) * | 2013-09-17 | 2015-03-25 | 天津滨海安保科技有限公司 | Liftable column fixation type rotation cantilever crane |
| CN204958181U (en) * | 2015-09-12 | 2016-01-13 | 山东交通学院 | Winch is assisted to boats and ships |
| CN205653092U (en) * | 2016-05-20 | 2016-10-19 | 无锡石油化工起重机有限公司 | Tower crane of band plate material bracket |
-
2017
- 2017-07-24 CN CN201710605052.5A patent/CN107416695B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201447317U (en) * | 2009-07-09 | 2010-05-05 | 扬州华泰特种设备有限公司 | Rotary hoisting frame electromagnetic crane |
| CN104444867A (en) * | 2013-09-17 | 2015-03-25 | 天津滨海安保科技有限公司 | Liftable column fixation type rotation cantilever crane |
| CN103723636A (en) * | 2014-01-27 | 2014-04-16 | 阙先进 | Indoor lifting device |
| CN204958181U (en) * | 2015-09-12 | 2016-01-13 | 山东交通学院 | Winch is assisted to boats and ships |
| CN205653092U (en) * | 2016-05-20 | 2016-10-19 | 无锡石油化工起重机有限公司 | Tower crane of band plate material bracket |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174008A (en) * | 2020-09-27 | 2021-01-05 | 湖南楚怀建材有限公司 | Hoisting machine for manufacturing large-caliber reinforced concrete drain pipe |
| CN112551416A (en) * | 2020-12-09 | 2021-03-26 | 安徽浩瀚星宇新能源科技有限公司 | A centre gripping hoisting machine constructs that is used for new energy automobile to produce with equipment |
| CN112563554A (en) * | 2020-12-09 | 2021-03-26 | 安徽浩瀚星宇新能源科技有限公司 | Battery production is with equipment system for new energy automobile |
| CN112563554B (en) * | 2020-12-09 | 2023-12-29 | 安徽浩瀚星宇新能源科技有限公司 | Battery production is with equipment system for new energy automobile |
| CN118062750A (en) * | 2024-04-25 | 2024-05-24 | 泰州市惠泽机械有限公司 | Lifting device of self-walking crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107416695B (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107416695A (en) | A kind of Mobile lifting crane for indoor high-voltage electric appliances | |
| CN110316652B (en) | Railway freight lifting device | |
| CN209071956U (en) | A kind of insulation rigid support for wire support | |
| CN210655986U (en) | Liftable and levelled triaxial lead screw | |
| CN205910135U (en) | Display panel's detection achievement platform | |
| CN206360457U (en) | A kind of cable Special electric line bar automatic installation apparatus | |
| CN209071955U (en) | A kind of livewire work lifting bracket | |
| CN206859707U (en) | A kind of angular adjustment equipment of I-steel | |
| CN108631213A (en) | A kind of overhead line wire tensioning device with vibrating motor | |
| CN207608237U (en) | Crawler-type multifunctional work car | |
| CN106374375B (en) | A kind of mobile utensil of switchgear installation | |
| CN108394283A (en) | A kind of novel umbrella vertical lift pantograph bow body | |
| CN107399685A (en) | A kind of small folding crane | |
| CN209467165U (en) | A kind of carrier | |
| CN208200150U (en) | A kind of crane support that load-bearing property is good | |
| CN207496808U (en) | A kind of climbing device | |
| CN111591901B (en) | Double-hook bridge crane | |
| CN203141081U (en) | Platform for assembling axle and gear box | |
| CN206798994U (en) | Crane machinery anti-roll device | |
| CN212832373U (en) | Interim power consumption construction lifting device | |
| CN107572429B (en) | Full ground crawler-type multifunctional crane | |
| CN107671842A (en) | A kind of height-adjustable manipulator | |
| CN107878799A (en) | A kind of good cartoning sealing machine of clamping effect | |
| CN112875488A (en) | Power equipment hoisting threading operating rod convenient for height adjustment | |
| CN207595985U (en) | A kind of monoblock type tunnel segment tilter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.89 Tonggang Avenue, hi tech Zone, Chizhou City, Anhui Province 247100 Patentee after: CHIZHOU YONGPAN ZHIYAN ELECTROMECHANICAL CO.,LTD. Address before: 247099 Room 204, complex building, electronic information industrial park, economic and Technological Development Zone, Guichi District, Chizhou City, Anhui Province Patentee before: CHIZHOU YONGPAN ZHIYAN ELECTROMECHANICAL CO.,LTD. |