CN204238156U - Frame mechanism is sprayed before high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof - Google Patents
Frame mechanism is sprayed before high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof Download PDFInfo
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- CN204238156U CN204238156U CN201420530453.0U CN201420530453U CN204238156U CN 204238156 U CN204238156 U CN 204238156U CN 201420530453 U CN201420530453 U CN 201420530453U CN 204238156 U CN204238156 U CN 204238156U
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- avoiding
- automatic obstacle
- oil cylinder
- transfer rack
- frame
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 40
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 230000003028 elevating effect Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Spray frame mechanism before a kind of high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof is provided, this structure comprises fixed mount assembly, transfer rack assembly, deflects oil cylinder, washes away frame component, connecting rod, elevating ram, telescopic oil cylinder, electrohydraulic control system; Rotation seat, rotating pin realize deflection, and parallelogram connection-rod connects transfer rack and preshoot brush holder realizes being elevated; Guide rail, sliding support and telescopic oil cylinder is adopted to coordinate to realize stretching; Stopping means, rotary support, elastic recovery device is adopted to realize automatic obstacle-avoiding; Adopt electrichydraulic control mode, realize PLC or control based on the controller+display screen of CAN line, in driver's cabin, realizing touch-screen operating in a key.It is flexible that it can realize front spray frame deflection, up and down lifting and jet pipe, automatic obstacle-avoiding effectively, and the utility model adopts mechanical-electrical-hydraulic integration control and touch screen operation interface, realizes the front automatic obstacle-avoiding spraying frame, effectively improves safety and operability.
Description
Technical field
The utility model relates to environmental sanitation cleaning equipment field, particularly a kind of on high-pressure sewer flushing vehicle before spray frame.
Background technology
Front spray frame is the vitals of high-pressure sewer flushing vehicle, in prior art, common water frame is generally positioned at headstock front end, usually utilizes compartment to load water, High-Pressure Water is produced, by being contained in high-pressure water pipe on water frame and high pressure nozzle sprays high pressure water cleaning road surface obliquely by high-pressure hydraulic pump.Before existing, spray frame mainly contains two kinds of modes, and a kind of only have fixing main jet bar, and its weak point is that spray width is certain, and when road surface is wide, cleaning performance is not good; Another kind is made up of main jet bar and flexible spray boom, and this mode can regulate working width, but when flexible spray boom runs into obstruction or the pedestrian in roadside after extending, the situation that spray boom damages or hurts sb.'s feelings can occur, and safe effect is not good.Control for entire exercise mostly is point driving switch, operates more loaded down with trivial details.
Utility model content
For existing one or more technical problem, frame mechanism is sprayed before a kind of high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof are provided, it can realize overall deflection, oscilaltion, jet pipe telescopic effect can also be with, effectively can also realize the automatic obstacle-avoiding after jet pipe elongation, overall employing electrichydraulic control mode, realize PLC or control based on the controller+display screen of CAN line, in driver's cabin, realizing touch-screen operating in a key.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
Before a kind of high-pressure sewer flushing vehicle spray frame mechanism comprise fixed mount assembly, transfer rack assembly, deflect oil cylinder, wash away frame component, connecting rod, elevating ram, electrohydraulic control system:
Fixed mount assembly, fixed mount assembly is connected with car load chassis;
Transfer rack assembly, transfer rack assembly comprises transfer rack, rotation seat, rotating pin, and rotation seat, rotating pin be Connection Bracket and transfer rack respectively, realizes the deflection of the relative fixed mount of transfer rack;
Deflection oil cylinder, deflection cylinder pedestal is fixed on fixed mount, and deflection oil cylinder footstock is fixed on transfer rack, and deflection oil cylinder controls transfer rack and whether swings and amplitude of fluctuation;
Connecting rod, is connected transfer rack assembly by the connecting rod of parallelogram sturcutre and is washed away frame component, can realize the lifting of washing away frame component;
Elevating ram, elevating ram base is fixed on transfer rack, and elevating ram footstock is fixed on preshoot brush holder, and whether and lift height the lifting that elevating ram controls preshoot brush holder.
Electrohydraulic control system, controls the action of oil cylinder.
Further, also comprise telescoping mechanism: wash away frame junction plate and be provided with guide rail, expansion bracket one end is connected with slide, expansion bracket other end articulated telescopic oil cylinder, nozzle component is located on expansion bracket, the realization of Telescopic is connected to the guide rail being fixed on and washing away on frame junction plate by expansion bracket, promote expansion bracket realize by telescopic oil cylinder.
Further, also comprise automatic obstacle-avoiding mechanism, automatic obstacle-avoiding mechanism comprises nozzle component, rotary support, stopping means, elastic recovery device, rotary support one end connecting spray nozzle assembly, and one end is fixed; Elastic recovery device one end is fixed, other end connecting spray nozzle assembly; Stopping means is located on rotary support; The realization of automatic obstacle avoidance functions by load nozzle component rotary support and on stopping means complete, keep away the reply after barrier and realized by elastic recovery device.
Further, described stopping means is limited block or caging bolt.
Further, described elastic recovery device is be with the hard spring of certain pretightning force or pre-push-type gas spring structure.
Preferably, flexible automatic obstacle-avoiding mechanism adopts left and right being arranged symmetrically with, the flexible automatic obstacle-avoiding mechanism in left and right respectively comprises washes away frame junction plate, guide rail, telescopic oil cylinder, nozzle component, sliding support, rotary support, stopping means, elastic recovery device, and left and right rail is fixed on and washes away on frame junction plate; For the right side, right telescopic oil cylinder is fixed on and washes away on frame junction plate, and right telescopic oil cylinder connects right sliding support, and the translation on right guide rail of right sliding support realizes flexible; Right rotation bearing is rotatably connected on right expansion bracket; Right limit device is connected on right rotation bearing; Right nozzle component is connected on right rotation bearing, by right limit device, realizes right jet pipe and rotates backward and keep away barrier; Right elastic recovery device one end connects right sliding support, one end connecting spray nozzle assembly, resets to realize keeping away barrier rear right nozzle component; The flexible automatic obstacle-avoiding mechanism in left side is identical with right side and be arranged symmetrically with.
Further, described stopping means is limited block or caging bolt; Described elastic recovery device is be with the hard spring of certain pretightning force or pre-push-type gas spring structure.
Further, electrohydraulic control system comprises independently PLC or controller, touch-screen, hydraulic control system based on CAN line, and PLC or the controller based on CAN line connect display and the operating means of one-touch touch-screen; Described hydraulic control system, water frame lifting, swing, spray boom expanding-contracting action realize coming from hydraulic jack work, by reversal valve gain and loss electric control oil cylinder fuel feeding; Automatically controlled part by PLC and touch-screen, according to communications protocol and address assignment, realizes exchanges data and the information sharing function of PLC and touch-screen by communication line; By signal conductor, PLC is connected with hydraulic electric control system, realizes controlling each function of hydraulic electric control system be connected with PLC by the exchanges data between touch-screen with PLC.
Further, also comprise mushroom alarm lamp and play safe warning function.
A kind of high-pressure sewer flushing vehicle, sprays frame mechanism before adopting above-mentioned high-pressure sewer flushing vehicle.
The utility model adopts one can realize overall deflection, the front spray frame mechanism of oscilaltion and band telescopic effect, before described spray frame comprise the fixed mount assembly be connected with car load chassis, the transfer rack assembly realizing deflection and between deflection oil cylinder, wash away frame component, connecting rod, elevating ram, flexible bar spray assembly, telescopic oil cylinder, automatic obstacle-avoiding rotary support and elastic recovery device.Whole automatic control process has independently electrohydraulic control system, and realizes the PLC of touch-screen operating in a key in driver's cabin or control based on the controller+display screen of CAN line.
The realization of described integral left right avertence rotating function by fixed mount assembly, transfer rack assembly and rotating pin therebetween, be fixed on cylinder installation seat on respective assembly and deflection oil cylinder forms.
The realization of described upper and lower enhanced feature by transfer rack assembly, wash away frame component and connecting rod therebetween, be fixed on cylinder installation seat on respective assembly and elevating ram forms.
The realization of described jet pipe Telescopic is connected to the guide rail being fixed on and washing away on frame junction plate by left and right expansion bracket, promoted by left and right telescopic oil cylinder, the articulated telescopic oil cylinder footstock in the inner of left and right expansion bracket.
The realization of described automatic obstacle avoidance functions by load Expansion spray tube assembly rotary support and on stopping means form, keep away the reply after barrier and realized by elastic recovery device.Described stopping means is limited block or limit spring.Described elastic recovery device is be with the hard spring of certain pretightning force or pre-push-type gas spring structure.
Described hydraulic control system, water frame lifting, swing, spray boom expanding-contracting action realize coming from hydraulic jack work, by reversal valve gain and loss electric control oil cylinder fuel feeding.Automatically controlled part by PLC and touch-screen, according to certain communications protocol and address assignment, realizes exchanges data and the information sharing function of PLC and touch-screen by communication line.By signal conductor, PLC is connected with hydraulic electric control system, realizes controlling each function of hydraulic electric control system be connected with PLC by the exchanges data between touch-screen with PLC.
Described display and operating means are one-touch touch-screen.
Compared with prior art, the utility model has the advantage of: before completing, spray the overall deflection of frame, while oscilaltion and jet pipe Telescopic, realize the automatic obstacle-avoiding after jet pipe elongation, overall employing electrichydraulic control mode, realize PLC or control based on the controller+display screen of CAN line, in driver's cabin, realizing touch-screen operating in a key, ensure that operating efficiency and safety.
Accompanying drawing explanation
Fig. 1 is spray frame overall structure figure before high-pressure sewer flushing vehicle;
Fig. 2 be high-pressure sewer flushing vehicle band automatic obstacle avoidance functions wash away frame figure;
Fig. 3 is high-pressure sewer flushing vehicle hydraulic circuit figure.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As shown in Figure 1, spray frame comprises fixed mount assembly 1 before the utility model cleaning Vehicle, rotating pin 2, rotation seat 3, transfer rack assembly 4, connecting rod 5, preshoot brush holder 6, mushroom alarm lamp 7, elevating ram 8, deflection oil cylinder 9 form.Deflection and the lifting function of frame is sprayed before the combination of this cover achieves.Be connected and fixed frame component 1 and transfer rack assembly 4 by rotation seat 3+ rotating pin 2, swinging of transfer rack can be realized.Be fixed on fixed mount by base, the footstock deflection oil cylinder 9 be fixed on transfer rack controls transfer rack and whether swings and amplitude of fluctuation.Connect transfer rack assembly 4 and preshoot brush holder 6 by the connecting rod 5 of parallelogram sturcutre, can realize the lifting of preshoot brush holder, be fixed on transfer rack by base, whether and lift height the lifting that the footstock elevating ram 8 be fixed on preshoot brush holder controls preshoot brush holder.Mushroom alarm lamp 7 safe warning functions.
As shown in Figure 2, preshoot brush holder comprise right telescopic oil cylinder 10, wash away frame junction plate 11, left telescopic oil cylinder 12, right guide rail 13, right sliding support 14, right nozzle component 15, right elastic recovery device 16, right rotation bearing 17, right limit device 18, left sliding support 19, left limit device 20, anticlockwise bearing 21, left rail 22, left elastic recovery device 23, left nozzle component 24.The combination of this cover achieves jet pipe Telescopic and automatic obstacle avoidance functions.Left and right rail 22,13 is fixed on and washes away on frame junction plate 11, for the right side, right telescopic oil cylinder 10 promotes the translation on right guide rail 13 of right sliding support 14 and realizes flexible, and right nozzle component 15 is connected on right rotation bearing 17, by right limit device, realize right jet pipe and rotate backward and keep away barrier.The elastic recovery device 16 that one end is connected in right sliding support 14, one end is connected in nozzle component realizes keeping away barrier rear right nozzle component 15 and resets.
As shown in Figure 3, the realization of the everything of front spray frame is by electrichydraulic control.Water frame lifting, swing, spray boom expanding-contracting action realize coming from hydraulic jack work, by reversal valve gain and loss electric control oil cylinder fuel feeding.Automatically controlled part by PLC and touch-screen, according to certain communications protocol and address assignment, realizes exchanges data and the information sharing function of PLC and touch-screen by communication line.By signal conductor, PLC is connected with hydraulic electric control system, realizes controlling each function of hydraulic electric control system be connected with PLC by the exchanges data between touch-screen with PLC.
In a further embodiment, the realization of jet pipe Telescopic is connected to the guide rail being fixed on and washing away on frame junction plate by left and right expansion bracket, has been promoted by left and right telescopic oil cylinder, the articulated telescopic oil cylinder footstock in the inner of left and right expansion bracket.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (10)
1. a spray frame mechanism before the electrichydraulic control of high-pressure sewer flushing vehicle automatic obstacle-avoiding, is characterized in that, comprise fixed mount assembly, transfer rack assembly, deflect oil cylinder, wash away frame component, connecting rod, elevating ram, electrohydraulic control system:
Fixed mount assembly, fixed mount assembly is connected with car load chassis;
Transfer rack assembly, transfer rack assembly comprises transfer rack, rotation seat, rotating pin, and rotation seat, rotating pin be Connection Bracket and transfer rack respectively, realizes the deflection of the relative fixed mount of transfer rack;
Deflection oil cylinder, deflection cylinder pedestal is fixed on fixed mount, and deflection oil cylinder footstock is fixed on transfer rack, and deflection oil cylinder controls transfer rack and whether swings and amplitude of fluctuation;
Connecting rod, is connected transfer rack assembly by the connecting rod of parallelogram sturcutre and is washed away frame component, can realize the lifting of washing away frame component;
Elevating ram, elevating ram base is fixed on transfer rack, and elevating ram footstock is fixed on preshoot brush holder, and whether and lift height the lifting that elevating ram controls preshoot brush holder;
Electrohydraulic control system, controls the action of oil cylinder.
2. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 1 electrichydraulic control, it is characterized in that, also comprise jet pipe telescoping mechanism: wash away frame junction plate and be provided with guide rail, expansion bracket one end is connected with slide, expansion bracket other end articulated telescopic oil cylinder, nozzle component is located on expansion bracket, and the realization of Telescopic is connected to the guide rail being fixed on and washing away on frame junction plate by expansion bracket, promotes expansion bracket realize by telescopic oil cylinder.
3. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 2 electrichydraulic control, it is characterized in that, also comprise automatic obstacle-avoiding mechanism, automatic obstacle-avoiding mechanism comprises nozzle component, rotary support, stopping means, elastic recovery device, rotary support one end connecting spray nozzle assembly, one end is fixed; Elastic recovery device one end is fixed, other end connecting spray nozzle assembly; Stopping means is located on rotary support; The realization of automatic obstacle avoidance functions by load nozzle component rotary support and on stopping means complete, keep away the reply after barrier and realized by elastic recovery device.
4. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 3 electrichydraulic control, it is characterized in that, described stopping means is limited block or caging bolt.
5. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 4 electrichydraulic control, is characterized in that, described elastic recovery device is be with the hard spring of certain pretightning force or pre-push-type gas spring structure.
6. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 1 electrichydraulic control, it is characterized in that, also comprise flexible automatic obstacle-avoiding mechanism, flexible automatic obstacle-avoiding mechanism adopts left and right being arranged symmetrically with, the flexible automatic obstacle-avoiding mechanism in left and right respectively comprises washes away frame junction plate, guide rail, telescopic oil cylinder, nozzle component, sliding support, rotary support, stopping means, elastic recovery device, and left and right rail is fixed on and washes away on frame junction plate; For the right side, right telescopic oil cylinder is fixed on and washes away on frame junction plate, and right telescopic oil cylinder connects right sliding support, and the translation on right guide rail of right sliding support realizes flexible; Right rotation bearing is rotatably connected on right expansion bracket; Right limit device is connected on right rotation bearing; Right nozzle component is connected on right rotation bearing, by right limit device, realizes right jet pipe and rotates backward and keep away barrier; Right elastic recovery device one end connects right sliding support, one end connecting spray nozzle assembly, resets to realize keeping away barrier rear right nozzle component; The flexible automatic obstacle-avoiding mechanism in left side is identical with right side and be arranged symmetrically with.
7. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 6 electrichydraulic control, it is characterized in that, described stopping means is limited block or caging bolt; Described elastic recovery device is be with the hard spring of certain pretightning force or pre-push-type gas spring structure.
8. spray frame mechanism according to before the arbitrary described a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding electrichydraulic control of claim 1 to 7, it is characterized in that, electrohydraulic control system comprises independently PLC or controller, touch-screen, hydraulic control system based on CAN line, and PLC or the controller based on CAN line connect display and the operating means of one-touch touch-screen; Described hydraulic control system, water frame lifting, swing, spray boom expanding-contracting action realize coming from hydraulic jack work, by reversal valve gain and loss electric control oil cylinder fuel feeding; Automatically controlled part by PLC and touch-screen, according to communications protocol and address assignment, realizes exchanges data and the information sharing function of PLC and touch-screen by communication line; By signal conductor, PLC is connected with hydraulic electric control system, realizes controlling each function of hydraulic electric control system be connected with PLC by the exchanges data between touch-screen with PLC.
9. spray frame mechanism before a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding according to claim 8 electrichydraulic control, is characterized in that, also comprise mushroom alarm lamp and play safe warning function.
10. a high-pressure sewer flushing vehicle, is characterized in that, sprays frame mechanism before adopting the arbitrary described a kind of high-pressure sewer flushing vehicle automatic obstacle-avoiding electrichydraulic control of the claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530453.0U CN204238156U (en) | 2014-09-16 | 2014-09-16 | Frame mechanism is sprayed before high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530453.0U CN204238156U (en) | 2014-09-16 | 2014-09-16 | Frame mechanism is sprayed before high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof |
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| CN204238156U true CN204238156U (en) | 2015-04-01 |
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| CN201420530453.0U Expired - Lifetime CN204238156U (en) | 2014-09-16 | 2014-09-16 | Frame mechanism is sprayed before high-pressure sewer flushing vehicle and automatic obstacle-avoiding electrichydraulic control thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761641A (en) * | 2017-09-12 | 2018-03-06 | 安徽爱瑞特环保科技股份有限公司 | A kind of pure electric road cleaning vehicle |
| CN107788920A (en) * | 2017-09-13 | 2018-03-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of intelligent water sprinkling robot watering mechanism |
| CN107816004A (en) * | 2017-12-04 | 2018-03-20 | 北京环卫集团环卫装备有限公司 | A kind of preceding purging system of adjustable working width |
| CN108207284A (en) * | 2017-12-30 | 2018-06-29 | 北京时代沃林科技发展有限公司 | A kind of avoiding-type grass trimmer of Novel tractor traction |
| CN109629503A (en) * | 2019-01-15 | 2019-04-16 | 吉林大学 | A kind of multifunction snow removing car and its control method for realizing Electric gate type transmission |
| CN109853440A (en) * | 2019-01-14 | 2019-06-07 | 烟台海德专用汽车有限公司 | A kind of efficient rotation bath suction unit |
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2014
- 2014-09-16 CN CN201420530453.0U patent/CN204238156U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761641A (en) * | 2017-09-12 | 2018-03-06 | 安徽爱瑞特环保科技股份有限公司 | A kind of pure electric road cleaning vehicle |
| CN107788920A (en) * | 2017-09-13 | 2018-03-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of intelligent water sprinkling robot watering mechanism |
| CN107816004A (en) * | 2017-12-04 | 2018-03-20 | 北京环卫集团环卫装备有限公司 | A kind of preceding purging system of adjustable working width |
| CN108207284A (en) * | 2017-12-30 | 2018-06-29 | 北京时代沃林科技发展有限公司 | A kind of avoiding-type grass trimmer of Novel tractor traction |
| CN109853440A (en) * | 2019-01-14 | 2019-06-07 | 烟台海德专用汽车有限公司 | A kind of efficient rotation bath suction unit |
| CN109629503A (en) * | 2019-01-15 | 2019-04-16 | 吉林大学 | A kind of multifunction snow removing car and its control method for realizing Electric gate type transmission |
| CN109629503B (en) * | 2019-01-15 | 2023-09-08 | 吉林大学 | Multifunctional snow remover for realizing electric door type transmission and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee after: Shaanxi Automobile Group Co.,Ltd. Address before: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150401 |