CN214006699U - Car carrying plate guiding and positioning device and parking equipment - Google Patents
Car carrying plate guiding and positioning device and parking equipment Download PDFInfo
- Publication number
- CN214006699U CN214006699U CN202021639961.4U CN202021639961U CN214006699U CN 214006699 U CN214006699 U CN 214006699U CN 202021639961 U CN202021639961 U CN 202021639961U CN 214006699 U CN214006699 U CN 214006699U
- Authority
- CN
- China
- Prior art keywords
- guiding
- guide
- groove
- sweep
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000001174 ascending effect Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model provides a carry sweep guiding orientation device and parking equipment carries sweep guiding orientation device including carrying sweep, lifting unit, direction subassembly and limit structure. Carry the sweep and be used for bearing the weight of the vehicle, lifting unit is connected with carrying the sweep and is used for the drive to carry the sweep and go up and down so that the guide holder slides on the guide bar, limit structure is including connecting the baffle in the guide holder and seting up the draw-in groove in the guide bar, when lifting unit drive carries the sweep and goes up, guide holder upward movement produces sliding connection with the guide bar, realized carrying the sweep and leading on vertical direction, rock in the plane has been avoided, in-process in the draw-in groove on the guide bar is slided to the guide holder, the baffle is switched to the first state of deflecting of joint in the draw-in groove by initial state, make the guide holder can not the lapse, lifting unit and carrying the sweep separation has been avoided, carry the condition that the sweep freely drops, the operation security has been improved.
Description
Technical Field
The utility model belongs to the technical field of mechanical garage, more specifically say, relate to a carry sweep guiding orientation device.
Background
The existing car carrying plate guiding and positioning device is characterized in that the most common lifting mode is a chain and a steel wire rope, the car carrying plates are easy to shake when being lifted and started by the aid of the two structures, on one hand, the car carrying plates can be caused to ascend due to overlarge shaking range and collide with adjacent car carrying plates, on the other hand, the car carrying plates can be caused to not collide with limit switches due to overlarge shaking range in the ascending process, so that the car carrying plates are lifted out of range and cause safety accidents, and in order to avoid the problems, a guiding in-place device is required to be added to the car carrying plate guiding and positioning device to guide and limit the car carrying plates.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carry sweep guiding orientation device to solve the sweep guiding orientation device that carries that exists among the prior art, the poor technical problem of operation security.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a carry sweep guiding orientation device includes:
the vehicle carrying plate is used for carrying a vehicle;
the lifting assembly is connected with the vehicle carrying plate;
the lifting assembly is used for driving the vehicle carrying plate to lift so that the guide seat slides on the guide rod;
limiting structure, including connect in baffle in the guide holder and offer in the draw-in groove of guide bar the guide holder is followed the guide bar upwards slides extremely in-process in the draw-in groove, the baffle switch over to the joint by initial condition in the first state of deflecting of draw-in groove, the baffle is in can restrict the guide holder is followed the guide bar slides down during the first state of deflecting.
Furthermore, a groove is formed in the guide rod, the baffle is switched from a first deflection state to an initial state in the process that the guide seat slides into the groove from the groove, and the baffle is switched from the initial state to a second deflection state in the process that the guide seat slides downwards into the groove from the groove.
Furthermore, the limiting structure further comprises a connecting shaft connected to the guide seat and a spring piece sleeved on the connecting shaft, and the baffle plate is connected to the periphery of the spring piece.
Further, the vehicle carrying plate comprises a boundary beam, the guide seat is connected to one side of the boundary beam, which faces away from the lifting assembly, the guide seat is provided with a cavity, the boundary beam is further provided with a through hole, the through hole is communicated with the cavity, and when the guide seat is in sliding connection with the guide rod, the guide rod is respectively penetrated through the through hole and the cavity
Further, the aperture of the through hole is larger than the outer diameter of the guide rod.
Further, the lifting assembly, the guide seat, the guide rod and the through hole are all provided with four.
Furthermore, the car carrying plate guiding and positioning device further comprises two cross beams arranged at intervals, wherein one cross beam is correspondingly connected with the two lifting assemblies and the two guide rods.
Furthermore, the car-carrying plate guiding and positioning device further comprises a travel switch, the travel switch is connected in at least one of the guide rods, and the travel switch is used for controlling the ascending height of the guide seat.
Further, the head of the guide rod is in a conical structure.
The utility model provides a carry sweep guiding orientation device's beneficial effect lies in: compared with the prior art, the utility model discloses carry sweep guiding orientation device including connecting in the guide holder of carrying the sweep and connecting in lifting unit's guide bar, and still include a limit structure, wherein, this limit structure is including connecting baffle in the guide holder and seting up the draw-in groove in the guide bar, when lifting unit drive carries the sweep to rise, guide holder upward movement produces sliding connection with the guide bar, realized carrying the sweep and leading on vertical direction, avoided rocking in the plane, in-process in the draw-in groove on guide holder slides to the guide bar, the baffle switches to the first state of deflecting of joint in the draw-in groove by initial state, make the guide holder can not the lapse, lifting unit and the separation of carrying the sweep have been avoided, carry the condition that the sweep freely drops, the operation security has been improved.
The utility model also provides a parking equipment, including foretell year sweep guiding orientation device.
The utility model provides a parking equipment's beneficial effect lies in: compared with the prior art, the utility model discloses parking equipment is including connecting in the guide holder of carrying the sweep and connecting in lifting unit's guide bar, and still include a limit structure, wherein, this limit structure is including connecting baffle in the guide holder and seting up the draw-in groove in the guide bar, when lifting unit drive carries the sweep to rise, guide holder upward movement produces sliding connection with the guide bar, realized carrying the sweep and leading on vertical direction, avoided rocking in the plane, in-process in the draw-in groove on guide holder slides to the guide bar, the baffle is switched to the first state of deflecting of joint in the draw-in groove by initial state, make the guide holder can not the lapse, lifting unit and the separation of carrying the sweep have been avoided, carry the condition that the sweep freely drops, the operation security has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic side view of a vehicle loading plate guiding and positioning device provided in the embodiment of the present invention;
fig. 2 is a schematic front view of a vehicle carrying plate guiding and positioning device provided in the embodiment of the present invention;
fig. 3 is a schematic view of a top view structure of a vehicle carrying board provided in the embodiment of the present invention;
fig. 4 is a schematic structural view of a guide seat according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a guide rod according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. a vehicle carrying board; 110. a boundary beam; 120. a cross beam; 200. a lifting assembly; 300. a guide assembly; 310. a guide seat; 3100. a cavity; 320. a guide bar; 410. a baffle plate; 420. a card slot; 430. A connecting shaft; 440. a spring member; 450. and (4) a groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the 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.
Referring to fig. 1 to 5, the present invention will now be described with reference to the car carrying board guiding and positioning device. The vehicle carrying plate guiding and positioning device comprises a vehicle carrying plate 100, a lifting assembly 200, a guiding assembly 300 and a limiting structure.
The vehicle carrying plate 100 is used for carrying a vehicle, and specifically, the vehicle carrying plate 100 carries the vehicle to a mechanical garage.
The lifting assembly 200 is connected with the vehicle carrying plate 100.
The guide assembly 300 is used for guiding the vehicle carrying board 100, the guide assembly 300 comprises a guide seat 310 connected to the vehicle carrying board 100 and a guide rod 320 connected to the lifting assembly 200, and the lifting assembly 200 is used for driving the vehicle carrying board 100 to lift and lower so that the guide seat 310 slides on the guide rod 320.
The limiting structure comprises a baffle 410 connected in the guide holder 310 and a clamping groove 420 arranged on the guide rod 320, the baffle 410 is switched to a first deflection state clamped in the clamping groove 420 from an initial state in the process that the guide holder 310 slides upwards to the clamping groove 420 along the guide rod 320, and the baffle 410 can limit the guide holder 310 to slide downwards along the guide rod 320 when being in the first deflection state. Note that the initial state of the shutter 410 is a natural state in which it is not pressed and is parallel to the horizontal direction, and the first deflected state of the shutter 410 is a state in which it is pressed in the notch 420 and is inclined downward.
Compared with the prior art, the vehicle carrying board guiding and positioning device provided by the utility model comprises a lifting component 200, a guiding component 300 and a limiting structure, wherein the guiding component 300 comprises a guiding seat 310 connected to the vehicle carrying board 100 and a guiding rod 320 connected to the lifting component 200, and further comprises a limiting structure, the limiting structure comprises a baffle plate 410 connected in the guiding seat 310 and a clamping groove 420 arranged on the guiding rod 320, when the lifting component 200 drives the vehicle carrying board 100 to ascend, the guiding seat 310 moves upwards and is in sliding connection with the guiding rod 320, so that the vehicle carrying board 100 is guided in the vertical direction, the swinging in a plane is avoided, when the guiding seat 310 slides into the clamping groove 420 on the guiding rod 320, the baffle plate 410 is switched to a first deflection state clamped in the clamping groove 420 from an initial state, the guiding seat 310 cannot slide downwards, and the separation of the lifting component 200 and the vehicle carrying board 100 is avoided, the condition that the car carrying plate 100 falls off freely improves the operation safety.
Referring to fig. 1 and 5, as a specific embodiment of the present invention, the guiding rod 320 is further provided with a groove 450, the baffle 410 is switched from the first deflection state to the initial state in the process that the guiding seat 310 slides from the slot 420 to the groove 450, and the baffle 410 is switched from the initial state to the second deflection state in the process that the guiding seat 310 slides from the inside of the groove 450 to the inside of the slot 420. It should be noted that the second deflection state is a state in which the baffle is squeezed by the clamping groove 420 in a descending process, specifically, when the vehicle carrying board 100 needs to descend, the guide holder 310 is firstly slid upwards to the groove 450 from the clamping groove 420, the baffle 410 can be restored to an initial state in the groove 450, then the vehicle carrying board 100 descends, the baffle 410 starts to be squeezed by the guide rod 320 again, at this time, a squeezing direction of the baffle 410 by the guide rod is opposite to a squeezing direction of the guide rod 320 in a process in which the guide holder 310 slides upwards to the clamping groove 420, so that the baffle 410 is in the second deflection state when sliding downwards to the clamping groove 420, wherein deflection directions of the first deflection state and the second deflection state are opposite.
Referring to fig. 4 and 5, as a specific embodiment of the present invention, the limiting structure further includes a connecting shaft 430 connected to the guide seat 310 and a spring member 440 sleeved on the connecting shaft 430, and the baffle 410 is connected to a peripheral portion of the spring member 440. Specifically, the lifting assembly 200 drives the vehicle carrying board 100 to ascend, and the rod head of the guide rod 320 can be inserted into the guide seat 310 in the ascending process of the vehicle carrying board 100 so as to guide and position the vehicle carrying board 100, thereby avoiding the shaking condition of the vehicle carrying board 100 in the ascending process. When the guide bar 320 is inserted into the guide holder 310, the baffle 410 in the guide holder 310 rotates downwards around the connecting shaft 430 and abuts against the guide bar 320 under the action of the elastic restoring force of the spring piece 440, the guide holder 310 continues to rise along with the driving of the vehicle carrying board 100, and when the baffle 410 moves to the slot 420 on the guide bar 320, the baffle 410 is switched to the first deflection state and extends into the slot 420 under the action of the elastic restoring force of the spring piece 440, at this time, the guide holder 310 cannot slide downwards along the guide bar 320, so that the self-locking protection of the vehicle carrying board 100 is realized, when the vehicle carrying board 100 continues to rise and the baffle 410 slides to the slot 450 on the guide bar 320, the baffle 410 rebounds to the initial state and extends into the slot 450 under the action of the elastic restoring force of the spring piece 440, and when the baffle 410 slides downwards from the slot 450, the baffle 410 rotates upwards around the connecting shaft 430, and the spring member 440 abuts against the guide rod 320 under the action of elastic restoring force, the baffle plate 410 is driven to continuously descend along with the vehicle carrying board 100, and when the baffle plate 410 slides to the clamping groove 420, the baffle plate 410 is switched to a second deflection state under the action of the elastic restoring force of the spring member 440.
Preferably, the spring member is a torsion spring.
As a specific embodiment of the present invention, the baffle 410 has a horizontal state, and when the baffle 410 is in the horizontal state, the guide seat 310 can descend relative to the guide rod 320.
Please refer to fig. 1, fig. 3 and fig. 4, as a specific embodiment of the present invention, the car carrying board 100 includes the boundary beam 110, the guiding seat 310 is connected to one side of the boundary beam 110 facing away from the lifting assembly 200, the guiding seat 310 has a cavity 3100, the boundary beam 110 has a through hole, the through hole is communicated with the cavity 3100, when the guiding seat 310 is slidably connected to the guiding rod 320, the guiding rod 320 is respectively inserted into the through hole and the cavity 3100. Specifically, the two edge beams 110 are connected to two sides of the length direction of the vehicle carrying board 100, the horizontal position of the surface of the edge beam 110 is higher than the horizontal position of the surface of the vehicle carrying board 100, so that the installation is convenient, and the guide holder 310 is connected to the bottom side of the edge beam 110, when the vehicle carrying board 100 moves upwards, the guide rod 320 is inserted into the through hole on the edge beam 110 first, and then is inserted into the guide holder 310.
Referring to fig. 1, fig. 3 and fig. 4, as a specific embodiment of the present invention, the aperture of the through hole is larger than the outer diameter of the guide rod 320, so that the guide rod 320 can be inserted into the guide seat 310 through the through hole.
Referring to fig. 5, as a specific embodiment of the present invention, the number of the lifting assembly 200, the guide seat 310, the guide rod 320 and the through hole is four. Specifically, four lifting components 200, guide holder 310, guide bar 320 and through-hole distribute in four corners of carrying sweep 100 for when lifting components 200 lift and carry sweep 100, can fix a position four corners of carrying sweep 100, connect more firmly.
Referring to fig. 1 and 2, as a specific embodiment of the car carrying board guiding and positioning device provided by the present invention, the car carrying board guiding and positioning device further includes two beams 120 disposed at an interval, and one beam 120 is correspondingly connected to two lifting assemblies 200 and two guide rods 320. The two lifting assemblies 200 and the two direction rods can be connected to the cross beam 120, so that the stability of the lifting vehicle carrying board 100 is improved.
As a specific implementation manner of the car carrying plate guiding and positioning device provided by the utility model, the car carrying plate guiding and positioning device further comprises a travel switch, the travel switch is connected in at least one guide rod 320, and the travel switch is used for controlling the height of the guide seat 310. Specifically, when the guide holder 310 on the vehicle carrying board 100 is driven by the lifting assembly 200 to slide upwards to a preset distance along the guide rod 320, the baffle 410 in the guide holder 310 can hit the travel switch in the guide rod 320, and the vehicle carrying board 100 stops rising to achieve the positioning effect, so that the occurrence of operation accidents caused by the fact that the rising height of the vehicle carrying board 100 exceeds the preset height is avoided.
Referring to fig. 5, as a specific embodiment of the present invention, the head of the guiding rod 320 is a cone-shaped structure, so that the guiding seat 310 can be conveniently inserted into the guiding rod 320, which is beneficial to positioning the guiding seat 310 in the vertical direction.
The utility model also provides a parking equipment, this parking equipment is including carrying sweep guiding orientation device, and this carries sweep guiding orientation device's concrete structure to refer to above-mentioned embodiment, because this parking equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, and the repeated description is given again here one by one
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a carry sweep guiding orientation device which characterized in that includes:
the vehicle carrying plate is used for carrying a vehicle;
the lifting assembly is connected with the vehicle carrying plate;
the lifting assembly is used for driving the vehicle carrying plate to lift so that the guide seat slides on the guide rod;
limiting structure, including connect in baffle in the guide holder and offer in the draw-in groove of guide bar the guide holder is followed the guide bar upwards slides extremely in-process in the draw-in groove, the baffle switch over to the joint by initial condition in the first state of deflecting of draw-in groove, the baffle is in can restrict the guide holder is followed the guide bar slides down during the first state of deflecting.
2. The vehicle loading board guiding and positioning device according to claim 1, wherein the guide rod is further provided with a groove, the baffle is switched from the first deflection state to the initial state in the process that the guide seat slides from the groove to the groove, and the baffle is switched from the initial state to the second deflection state in the process that the guide seat slides from the groove to the groove.
3. The vehicle loading board guiding and positioning device of claim 2, wherein the limiting structure further comprises a connecting shaft connected to the guiding seat and a spring member sleeved on the connecting shaft, and the baffle is connected to the periphery of the spring member.
4. The vehicle carrying board guiding and positioning device according to claim 1, wherein the vehicle carrying board comprises an edge beam, the guiding seat is connected to one side of the edge beam, which faces away from the lifting assembly, the guiding seat is provided with a cavity, the edge beam is further provided with a through hole, the through hole is communicated with the cavity, and when the guiding seat is slidably connected with the guiding rod, the guiding rod is respectively inserted into the through hole and the cavity.
5. The vehicle loading board guiding and positioning device of claim 4, wherein the aperture of the through hole is larger than the outer diameter of the guide rod.
6. The vehicle loading board guiding and positioning device of claim 5, wherein the number of the lifting assembly, the guide seat, the guide rod and the through hole is four.
7. The vehicle loading plate guiding and positioning device according to claim 6, further comprising two beams arranged at intervals, wherein one beam correspondingly connects the two lifting assemblies and the two guide rods.
8. The vehicle loading board guiding and positioning device of claim 6, further comprising a travel switch, wherein the travel switch is connected in at least one of the guiding rods, and the travel switch is used for controlling the ascending height of the guiding seat.
9. The vehicle loading board guiding and positioning device as claimed in any one of claims 1 to 8, wherein the head of the guiding rod is of a conical structure.
10. Parking installation, characterised in that it comprises a vehicle loading plate guiding and positioning device according to any of the previous claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639961.4U CN214006699U (en) | 2020-08-07 | 2020-08-07 | Car carrying plate guiding and positioning device and parking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639961.4U CN214006699U (en) | 2020-08-07 | 2020-08-07 | Car carrying plate guiding and positioning device and parking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214006699U true CN214006699U (en) | 2021-08-20 |
Family
ID=77287969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639961.4U Active CN214006699U (en) | 2020-08-07 | 2020-08-07 | Car carrying plate guiding and positioning device and parking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214006699U (en) |
-
2020
- 2020-08-07 CN CN202021639961.4U patent/CN214006699U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214006699U (en) | Car carrying plate guiding and positioning device and parking equipment | |
| EP3825171B1 (en) | Isofix two-lock mechanism for retaining | |
| CN113412962A (en) | Robot paw and oblique needle movement device thereof | |
| CN116927393A (en) | Hanging glass curtain wall structure and installation method | |
| CN208485452U (en) | A kind of anti-carriage accidental movement device | |
| CN215329869U (en) | Soft foundation treatment equipment | |
| CN210847906U (en) | Self-propelled punching mechanism | |
| CN112727060B (en) | Anti-falling device for attached lifting scaffold | |
| CN218029661U (en) | Safety mechanism and sliding door adopting same | |
| CN211418756U (en) | Temporary storage device for printed circuit board | |
| CN220011785U (en) | Rope hitch plate installation structure of machine-room-free car | |
| CN209477686U (en) | A kind of pressure anterior insert end is insured mechanism | |
| CN113530200A (en) | Protection type hanging flower basket device for construction | |
| CN216785420U (en) | Platform villa ladder anti-pinch device | |
| CN219468723U (en) | Transfer robot and warehouse system | |
| CN213061614U (en) | Highway engineering template strutting arrangement | |
| CN219752316U (en) | Temperature control device's frame subassembly and temperature control device | |
| CN114577428B (en) | Impact resistance testing device for automobile anti-collision beam with variable stress area | |
| CN220642196U (en) | Counterweight device for goods elevator | |
| CN215443020U (en) | Building engineering is with setting up platform | |
| CN112727051B (en) | Anti-falling device for T-shaped steel guide rail | |
| CN216216593U (en) | Soft starter convenient to installation overhauls | |
| CN211010532U (en) | Step-by-step driving lifting mechanism | |
| CN211970945U (en) | Blocking and releasing mechanism | |
| CN215042958U (en) | Special vehicle for transporting reed of air jet loom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 32-9, Tongsheng South Road, Nantong Economic and Technological Development Zone, Jiangsu Province, 226000 Patentee after: Jiangsu Puteng Intelligent Technology Co.,Ltd. Patentee after: Shenzhen Huadachuan Automation Technology Co.,Ltd. Address before: No. 32-9, Tongsheng South Road, Nantong Economic and Technological Development Zone, Jiangsu Province, 226000 Patentee before: JIANGSU PARKTEC PARKING EQUIPMENT Co.,Ltd. Patentee before: Shenzhen Huadachuan Automation Technology Co.,Ltd. |