CN104481946A - Hydraulic system for stereoscopic garage - Google Patents
Hydraulic system for stereoscopic garage Download PDFInfo
- Publication number
- CN104481946A CN104481946A CN201410741354.1A CN201410741354A CN104481946A CN 104481946 A CN104481946 A CN 104481946A CN 201410741354 A CN201410741354 A CN 201410741354A CN 104481946 A CN104481946 A CN 104481946A
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- China
- Prior art keywords
- hydraulic system
- energy storage
- storied garage
- oil
- hydraulic cylinder
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention relates to a hydraulic system and aims to provide a hydraulic system for the stereoscopic garage. The hydraulic system for the stereoscopic garage comprises a power unit, a control unit, an executing unit and an energy storage unit, wherein the power unit comprises two motor oil pumps parallelly connected, the control unit comprises two control electromagnetic valve groups connected in parallel, the executing unit comprises a hydraulic cylinder, and the energy storage unit comprises an energy storage tank. Output ends of the motor oil pumps are connected with input ends of the control electromagnetic valve groups, and stop valves are arranged at pressure input and output ends of the energy storage tank. The hydraulic system has the advantages that the power unit of the hydraulic system for the stereoscopic garage adopts two motor oil pumps connected in parallel, and the control unit adopts the two control electromagnetic valve groups connected in parallel. When one system breaks down, another system can be switched to provide power, an energy storage unit is added as a standby energy source, and no breakoff of power output is ensured so as to ensure running safety of the garage.
Description
Technical field
The present invention relates to hydraulic system, particularly a kind of hydraulic system for multi-storied garage.
Background technique
At present, multilayer-tower multi-storied garage is generally transport vehicle to the parking tier of specifying by elevator car.The short distance fore and aft motion power system of multi-storied garage did not generally adopt hydraulic system to provide power in the past, even if having is also a set of hydraulic system, just can not carry out Power output when parts damages.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, a kind of hydraulic system for multi-storied garage of Power output steady and continuous is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of hydraulic system for multi-storied garage, comprise power unit, control unit, performance element and energy-storage units, described power unit comprises two motor pumps in parallel, described control unit comprises two Controlling solenoid valve groups in parallel, described performance element comprises oil hydraulic cylinder, described energy-storage units comprises energy storage canister, described dynamo oil delivery side of pump is connected with described energy storage canister and described Controlling solenoid valve group, described Controlling solenoid valve group is connected with oil hydraulic cylinder, one-way valve is provided with between described energy storage canister and described motor pump, pressure input and the pressure output end of described energy storage canister are provided with stop valve.
Beneficial effect of the present invention is: the hydraulic system power unit for multi-storied garage have employed dual-motor oil pump in parallel, control unit have employed double control solenoid valve group in parallel, another set of system can be switched to when set of system breaks down at once power is provided, and add energy-storage units as stand-by power source, motor pump only to energy-storage units fuel feeding, oil hydraulic cylinder fuel feeding.Can reduce the frequent starting of motor like this, extend the working life of motor, in turn ensure that hydraulic power exports can not interrupt, and ensures the security of operation in garage with this.Simultaneously, because be that energy-storage units is to performance element fuel feeding, so the stretching speed of oil hydraulic cylinder is not by the impact of oil pump flow, the capacity of motor pump can be reduced under the prerequisite ensureing hydraulic cylinder extension speed, and then reduce costs, be provided with stop valve at the pressure input/output terminal of energy-storage units, energy-storage units pressure feed can be cut off when each unit of maintenance system, to avoid in oil circuit oil pressure to the injury of guardian.
Accompanying drawing explanation
Fig. 1 is the hydraulic system erection drawing of the embodiment of the present invention.
Fig. 2 is the A place enlarged view of the embodiment of the present invention.
Fig. 3 is the B place enlarged view of the embodiment of the present invention.
Fig. 4 is the energy-storage units structural drawing of the embodiment of the present invention.
Fig. 5 is the hydraulic system principle figure of the embodiment of the present invention.
Label declaration:
1, power unit; 2, control unit; 3, performance element; 4, energy-storage units; 5, fuel tank; 6, solenoid valve is integrated; 7, manifold block; 11, motor pump; 12, one-way valve; 13, relief valve; 14, filter; 21, Controlling solenoid valve group; 211, three position four-way electromagnetic valve; 212, dual hydraulic control one-way valve; 213, Double throttle check valve; 31, oil hydraulic cylinder; 32, supporting base; 33, positioning shaft; 34, abutment sleeve; 311, extension bar; 321, axis hole; 322, pilot sleeve; 41, energy storage canister; 42, pressure reduction control table; 43, stop valve; 51, fuel tank connecting tube.
Embodiment
By describing technology contents of the present invention, structure characteristics in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with mode of execution.
The design of most critical of the present invention is: the hydraulic system power unit for multi-storied garage have employed dual-motor oil pump in parallel, control unit have employed double control solenoid valve group in parallel, and add energy-storage units as stand-by power source, motor pump is only to energy-storage units fuel feeding, and energy-storage units is again to oil hydraulic cylinder fuel feeding.The frequent starting of motor can be reduced like this, extend the working life of motor.In turn ensure that hydraulic power exports can not interrupt, ensure the security of operation in garage with this.Simultaneously, because be that energy-storage units is to performance element fuel feeding, so the stretching speed of oil hydraulic cylinder is not by the impact of oil pump flow, the capacity of motor pump can be reduced under the prerequisite ensureing hydraulic cylinder extension speed, and then reduce costs, be provided with stop valve at the energy storage canister input/output terminal of energy-storage units, energy-storage units pressure feed can be cut off when each unit of maintenance system, to avoid in oil circuit oil pressure to the injury of guardian.
Refer to Fig. 1 to Fig. 5, a kind of hydraulic system for multi-storied garage, comprise power unit 1, control unit 2, performance element 3 and energy-storage units 4, described power unit 1 comprises two motor pumps 11 in parallel, described control unit 2 comprises two Controlling solenoid valve groups 21 in parallel, described performance element 3 comprises oil hydraulic cylinder 31, and described energy-storage units 4 comprises energy storage canister 41.The output terminal of described motor pump 11 is connected with described energy-storage units 4 and described Controlling solenoid valve group 21, the output terminal of described Controlling solenoid valve group 21 is connected with described oil hydraulic cylinder 31, be provided with one-way valve 12 between described energy storage canister 41 and described motor pump 11, pressure input and the pressure output end of described energy storage canister 41 are provided with stop valve 43.
Working principle of the present invention is:
Hydraulic oil to energy storage canister 41 by motor pump 11 pressurized transfer, is passed into performance element 3, realizes hydraulic transmission after Controlling solenoid valve group 21, and Controlling solenoid valve group 21 can realize the control flowed to hydraulic oil.Electric contact pressure reduction control table 42 can adjust the pressure controlled in energy storage canister 41, makes the pressure in energy storage canister 41 oil-filled to it lower than starting electrical machinery oil pump during setting pressure minimum, higher than the power supply blocking motor pump during setting pressure peak, ensures security of system.
Have employed 2 covers, two groups of motor pumps 11 parallel with one another and parallel with one another two groups of Controlling solenoid valve groups 21 in this device, when wherein a certain component malfunction, system program can start another identical parts of function with it, because both working position is identical in systems in which, therefore another parts can replace trouble unit immediately, power in system can not be interrupted, ensure that the security of operation in garage.Add energy storage canister 41 in addition, motor pump is only to energy-storage units fuel feeding, and energy-storage units is again to oil hydraulic cylinder fuel feeding.The frequent starting of motor can be reduced like this, extend the working life of motor.In turn ensure that hydraulic power exports can not interrupt, ensure the security of operation in garage with this, and can pulse by absorption system, relax hydraulic shock.Meanwhile because be energy-storage units to performance element fuel feeding, so the stretching speed of oil hydraulic cylinder is by the impact of oil pump flow, the capacity of motor pump can be reduced under the prerequisite ensureing hydraulic cylinder extension speed, and then reduce costs.
Need to open motor pump 11 frequently in short distance to-and-fro motion, but after being provided with energy storage canister 41, energy storage canister 41 itself stores certain pressure, motor pump 11 first puts more oil in energy storage canister 41, during use, energy storage canister 41 is successively released, and can reduce the number of starts of motor pump 11.Energy storage canister 41 has the volume larger than general oil cylinder, like this can the impact of buffering hydraulic, also can whole hydraulic system miniaturization.When two cover hydraulic systems all lost efficacy, owing to having certain oil pressure in energy storage canister 41, can as emergency power source can also back-up system work tens of time.
From foregoing description, beneficial effect of the present invention is: the hydraulic system power unit 1 for multi-storied garage have employed dual-motor oil pump 11 in parallel, control unit 2 have employed double control solenoid valve group 21 in parallel, another set of system can be switched to when set of system breaks down at once power is provided, and add energy-storage units as stand-by power source, ensure that Power output can not interrupt, ensure the security of operation in garage with this.
Further, described energy storage canister 41 outlet port is provided with electric contact pressure reduction control table 42.
Seen from the above description, electric contact pressure reduction control table 42 can adjust the pressure controlled in energy storage canister 41, make the pressure in energy storage canister 41 oil-filled to it lower than starting electrical machinery oil pump during setting pressure minimum, higher than the power supply blocking motor pump during setting pressure peak, ensure security of system.
Further, described performance element 3 also comprises supporting base 32, positioning shaft 33 and abutment sleeve 34, described oil hydraulic cylinder 31 is fixed on described supporting base 32, described oil hydraulic cylinder 31 is provided with extension bar 311, described extension bar 311 is telescopic is arranged on described oil hydraulic cylinder 31 one end, described positioning shaft 33 telescopically is arranged in supporting base 32, described extension bar 311 is axially connected with positioning shaft 33, have conical holding space in described abutment sleeve 34, the front end of positioning shaft 33 is mated mutually with described holding space.
Seen from the above description, when after elevator car flat bed, positioning shaft 33 stretches out from supporting base 32 and stretches in abutment sleeve 34 under the promotion of oil hydraulic cylinder 31, car is stopped more steady, the stop position of car is more accurate, vehicle is admitted to or takes out elevator car in the process of parking tier and can not produce and rock, and complete after the task of sending or being loaded into vehicle until elevator car, positioning shaft 33 is retracted in supporting base 32 under the pulling of oil hydraulic cylinder 31 from abutment sleeve 34.
Further, described supporting base 32 is provided with the axis hole 321 for installing described positioning shaft 33, is provided with dismountable pilot sleeve 322 in described axis hole 321.
Seen from the above description, in described axis hole 321, be provided with dismountable pilot sleeve 322, positioning shaft 33 can be avoided so directly to contact with axis hole 321, thus reduce wear, increase the service life.
Further, described Controlling solenoid valve group 21 comprises the three position four-way electromagnetic valve 211, dual hydraulic control one-way valve 212 and the Double throttle check valve 213 that connect successively.
Seen from the above description, three position four-way electromagnetic valve 211 can realize the flexible control of oil hydraulic cylinder 31, and dual hydraulic control one-way valve 212 and Double throttle check valve 213 can realize the control to the hydraulic oil flow direction and flow
Further, described motor pump 11 output terminal is provided with relief valve 13.
Seen from the above description, when in pipeline, oil pressure is too high, hydraulic oil can be discharged from relief valve 13, thus reduces the oil pressure in pipeline, protection hydraulic system.
Further, described motor pump 11 input end is provided with filter 14.
Seen from the above description, described motor pump 11 input end is provided with filter 14, the impurity in hydraulic oil can be avoided to enter motor pump 11, cause the damage of motor pump 11.
Further, also comprise two fuel tanks 5, described two fuel tanks 5 are connected to described two motor pumps 11, are provided with fuel tank connecting tube 51 between described two fuel tanks 5, the inner space of two fuel tanks 5 described in described fuel tank connecting tube 51 UNICOM.
Seen from the above description, the hydraulic oil required for hydraulic system can be deposited in fuel tank 5, the oil mass between adjustable two fuel tanks 5 of fuel tank connecting tube 51, avoid the phenomenon of the empty oil of one of them fuel tank 5 to occur.
Please refer to Fig. 1 to Fig. 5, embodiments of the invention one are:
A kind of hydraulic system of multi-storied garage, comprise that motor pump 11, fuel tank 5, solenoid valve are integrated 6, energy-storage units 4, manifold block 7 and four performance elements 3, motor pump 11 is connected with fuel tank 5, between two fuel tanks 5, fuel tank connecting tube 51 is installed, the inner space of two fuel tanks 5 described in described fuel tank connecting tube 51 UNICOM.Energy-storage units 4 is connected to motor pump 11 and exports, and is divided into two pipeline access manifold blocks 7, shunts each performance element of access afterwards from manifold block 7 after access solenoid valve integrated 6.Described performance element 3 comprises oil hydraulic cylinder 31, supporting base 32, positioning shaft 33 and abutment sleeve 34, described supporting base 32 is arranged on the frame place of elevator car, on Steel Structure corresponding with the stop position of elevator car in described abutment sleeve 34 multi-storied garage, oil hydraulic cylinder 31 is fixed on described supporting base 32, described positioning shaft 33 telescopically is arranged in supporting base 32, the extension bar of oil hydraulic cylinder 31 is axially connected with positioning shaft 33, in described abutment sleeve 34, there is conical holding space, the front end of positioning shaft 33 is mated mutually with described holding space, pressure input and the output terminal of described energy storage canister 41 are provided with stop valve 43.
In sum, hydraulic system power unit for multi-storied garage provided by the invention have employed dual-motor oil pump in parallel, control unit have employed double control solenoid valve group in parallel, another set of system can be switched to when set of system breaks down at once power is provided, ensure that Power output can not interrupt, the security of operation in garage is ensured with this, add energy-storage units in system to connect with system as auxiliary element, system pressurize can be played or as emergency power source, and can pulse by absorption system, relax hydraulic shock, also can avoid motor pump frequent starting, improve working life.Simultaneously, because be that energy-storage units is to performance element fuel feeding, so the stretching speed of oil hydraulic cylinder is not by the impact of oil pump flow, the capacity of motor pump can be reduced under the prerequisite ensureing hydraulic cylinder extension speed, and then reduce costs, this hydraulic system is used for multi-storied garage, car is stopped more steady, the stop position of car is more accurate, and vehicle is admitted to or takes out elevator car in the process of parking tier and can not produce and rock.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. the hydraulic system for multi-storied garage, it is characterized in that: comprise power unit, control unit, performance element and energy-storage units, described power unit comprises two motor pumps in parallel, described control unit comprises two Controlling solenoid valve groups in parallel, described performance element comprises oil hydraulic cylinder, described energy-storage units comprises energy storage canister, described dynamo oil delivery side of pump is connected with described energy storage canister and described Controlling solenoid valve group, described Controlling solenoid valve group is connected with oil hydraulic cylinder, one-way valve is provided with between described energy storage canister and described motor pump, pressure input and the pressure output end of described energy storage canister are provided with stop valve.
2. the hydraulic system for multi-storied garage according to claim 1, is characterized in that: described energy storage canister outlet port is provided with the control table of electric contact pressure reduction.
3. the hydraulic system for multi-storied garage according to claim 1, it is characterized in that: described performance element also comprises supporting base, positioning shaft and abutment sleeve, described oil hydraulic cylinder is fixed on described supporting base, described oil hydraulic cylinder is provided with extension bar, described extension bar is telescopic is arranged on described oil hydraulic cylinder one end, described positioning shaft telescopically is arranged in supporting base, described extension bar is axially connected with positioning shaft, have conical holding space in described abutment sleeve, the front end of positioning shaft is mated mutually with described holding space.
4. the hydraulic system for multi-storied garage according to claim 3, is characterized in that: described supporting base is provided with the axis hole for installing described positioning shaft, is provided with dismountable pilot sleeve in described axis hole.
5. the hydraulic system for multi-storied garage according to claim 1, is characterized in that: described Controlling solenoid valve group comprises the three position four-way electromagnetic valve, dual hydraulic control one-way valve and the Double throttle check valve that connect successively.
6. the hydraulic system for multi-storied garage according to claim 1, is characterized in that: described motor pump output terminal is provided with relief valve.
7. the hydraulic system for multi-storied garage according to claim 1, is characterized in that: described motor pump input end is provided with filter.
8. the hydraulic system for multi-storied garage according to claim 1, it is characterized in that: also comprise two fuel tanks, described two fuel tanks are connected to described two motor pumps, between described two fuel tanks, fuel tank connecting tube is installed, the inner space of two fuel tanks described in described fuel tank connecting tube UNICOM.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741354.1A CN104481946A (en) | 2014-12-08 | 2014-12-08 | Hydraulic system for stereoscopic garage |
| PCT/CN2015/096650 WO2016091150A1 (en) | 2014-12-08 | 2015-12-08 | Hydraulic system for three-dimensional garage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741354.1A CN104481946A (en) | 2014-12-08 | 2014-12-08 | Hydraulic system for stereoscopic garage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104481946A true CN104481946A (en) | 2015-04-01 |
Family
ID=52756526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410741354.1A Pending CN104481946A (en) | 2014-12-08 | 2014-12-08 | Hydraulic system for stereoscopic garage |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104481946A (en) |
| WO (1) | WO2016091150A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016091150A1 (en) * | 2014-12-08 | 2016-06-16 | 深圳市中科利亨车库设备有限公司 | Hydraulic system for three-dimensional garage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223790Y (en) * | 1994-05-30 | 1996-04-03 | 四川联合大学 | Device for controlling bumping wheel of rotary kiln |
| JPH09177351A (en) * | 1995-12-27 | 1997-07-08 | Yoshio Kobayashi | Two-stage hydraulic lifting-lowering type automobile multistory parking device using pressure accumulator as driving source |
| JP2000297554A (en) * | 1999-04-14 | 2000-10-24 | Ishikawajima Harima Heavy Ind Co Ltd | Elevator type parking device |
| CN2607416Y (en) * | 2003-04-06 | 2004-03-24 | 杭州液压件有限公司 | Rotary hydraulic multi-story parking garage |
| CN201214613Y (en) * | 2008-04-29 | 2009-04-01 | 武汉钢铁(集团)公司 | Novel brake for bridge crane hoister |
| CN101793100A (en) * | 2010-03-30 | 2010-08-04 | 南通顺达路桥建设工程有限公司 | Hydraulic system of parking/withdrawing platform of underground three-dimensional garage |
| CN202828066U (en) * | 2012-10-19 | 2013-03-27 | 中国船舶工业集团公司第七〇八研究所 | Hydraulic and lubricating system used for water jet propulsion |
| CN103075040A (en) * | 2013-01-11 | 2013-05-01 | 刘居恩 | Hydraulic lifting type automatic three-dimensional garage |
| CN104060864A (en) * | 2014-07-07 | 2014-09-24 | 深圳市中科利亨车库设备有限公司 | Lift car positioning device and stereo garage |
| CN204371808U (en) * | 2014-12-08 | 2015-06-03 | 深圳市中科利亨车库设备有限公司 | A kind of hydraulic system for multi-storied garage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481946A (en) * | 2014-12-08 | 2015-04-01 | 深圳市中科利亨车库设备有限公司 | Hydraulic system for stereoscopic garage |
-
2014
- 2014-12-08 CN CN201410741354.1A patent/CN104481946A/en active Pending
-
2015
- 2015-12-08 WO PCT/CN2015/096650 patent/WO2016091150A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223790Y (en) * | 1994-05-30 | 1996-04-03 | 四川联合大学 | Device for controlling bumping wheel of rotary kiln |
| JPH09177351A (en) * | 1995-12-27 | 1997-07-08 | Yoshio Kobayashi | Two-stage hydraulic lifting-lowering type automobile multistory parking device using pressure accumulator as driving source |
| JP2000297554A (en) * | 1999-04-14 | 2000-10-24 | Ishikawajima Harima Heavy Ind Co Ltd | Elevator type parking device |
| CN2607416Y (en) * | 2003-04-06 | 2004-03-24 | 杭州液压件有限公司 | Rotary hydraulic multi-story parking garage |
| CN201214613Y (en) * | 2008-04-29 | 2009-04-01 | 武汉钢铁(集团)公司 | Novel brake for bridge crane hoister |
| CN101793100A (en) * | 2010-03-30 | 2010-08-04 | 南通顺达路桥建设工程有限公司 | Hydraulic system of parking/withdrawing platform of underground three-dimensional garage |
| CN202828066U (en) * | 2012-10-19 | 2013-03-27 | 中国船舶工业集团公司第七〇八研究所 | Hydraulic and lubricating system used for water jet propulsion |
| CN103075040A (en) * | 2013-01-11 | 2013-05-01 | 刘居恩 | Hydraulic lifting type automatic three-dimensional garage |
| CN104060864A (en) * | 2014-07-07 | 2014-09-24 | 深圳市中科利亨车库设备有限公司 | Lift car positioning device and stereo garage |
| CN204371808U (en) * | 2014-12-08 | 2015-06-03 | 深圳市中科利亨车库设备有限公司 | A kind of hydraulic system for multi-storied garage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016091150A1 (en) * | 2014-12-08 | 2016-06-16 | 深圳市中科利亨车库设备有限公司 | Hydraulic system for three-dimensional garage |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016091150A1 (en) | 2016-06-16 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170210 Address after: 518000 Baoan District, Guangdong, the Peach Garden science and Technology Innovation Park building, room 513, Applicant after: Shenzhen Zhongkeliheng Parking Equipment Co., Ltd. Address before: 518000 Baoan District, Guangdong, the Peach Garden science and Technology Innovation Park building, room 513, Applicant before: Shenzhen Zhongkeliheng Parking Equipment Co., Ltd. Applicant before: Xia Jianming |
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Application publication date: 20150401 |
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