CN211338602U - Four-leg lifting transport vehicle with upper walking rope - Google Patents
Four-leg lifting transport vehicle with upper walking rope Download PDFInfo
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- CN211338602U CN211338602U CN202020005301.4U CN202020005301U CN211338602U CN 211338602 U CN211338602 U CN 211338602U CN 202020005301 U CN202020005301 U CN 202020005301U CN 211338602 U CN211338602 U CN 211338602U
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- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000009172 bursting Effects 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 101100494448 Caenorhabditis elegans cab-1 gene Proteins 0.000 description 1
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Abstract
The utility model relates to an go up four landing leg jack-up transport vechicles of rope, it includes that driving cab (1) are equipped with backward in the past on the chassis in proper order, jack-up transport vechicle automobile body (4) of hoist (2) and railway carriage (3), hoist (2) are by base (21), fuselage (22), jib loading boom (23) and jack-up hoist mechanism (24) constitute, install on fuselage (22) jack-up hoist mechanism (24), the one end winding of jack-up wire rope (29) is connected on the reel of jack-up hoist mechanism (24), the other end cooperatees with the movable pulley block that locates on fixed pulley block (32) and lifting hook (33) on the flexible arm (2) 7 front end hanger (31) of the most inside, connect on the hanger curb plate at last. The hoisting winch does not occupy the space of the vehicle body, can improve the design length of the carriage, and is beneficial to improving the transportation capacity of the vehicle-mounted hoisting transport vehicle. And has the advantages of convenient installation, use and maintenance.
Description
Technical Field
The utility model relates to a jack-up car, concretely relates to go up four landing legs jack-up transport vechicles of rope.
Background
The crane truck is a multifunctional truck capable of lifting and transporting, a crane is arranged between a cab and a carriage, the problems of lifting and transporting small goods are solved, and the crane truck is convenient and fast lifting and transporting equipment. The hoisting winch of the existing truck-mounted hoisting and transporting truck occupies the space of the truck body, influences the design length of the truck box and is not beneficial to improving the transporting capacity of the truck-mounted hoisting and transporting truck.
Disclosure of Invention
The utility model aims at providing a hoist engine does not occupy the automobile body space, can improve the design length of railway carriage, is favorable to the lorry-mounted jack-up transport vechicle to improve the four landing legs lorry-mounted cranes of going on of transporting ability.
The technical solution of the utility model is that: the crane comprises a crane carrier body which is provided with a cab, a crane and a carriage in sequence from front to back on a chassis, wherein the crane position of the crane carrier body is provided with a front hydraulic support leg assembly, the crane comprises a base, a machine body, a crane boom and a hoisting mechanism, the base is fixedly arranged on the chassis of the crane carrier body, the machine body is rotatably arranged on the base, a rotating mechanism is arranged between the base and the machine body and comprises a gear ring arranged on the base and a rotating hydraulic speed reducing motor arranged on the machine body, a gear on an output shaft of the rotating hydraulic speed reducing motor is meshed with the gear ring to drive the machine body to rotate on the base, the crane boom comprises a plurality of telescopic arms which are mutually sleeved and matched, the rear end of the outermost telescopic arm is hinged with the machine body, a lifting hydraulic cylinder is arranged between the outermost telescopic arm and the machine body, the tail end of the cylinder body is hinged, the hoisting mechanism is arranged on the machine body below the hoisting arm, one end of a hoisting steel wire rope is wound and connected onto a winding drum of the hoisting mechanism, and the other end of the hoisting steel wire rope is matched with pulleys which are rotatably arranged above the rear end and the front end of the outermost telescopic arm and above the front ends of other telescopic arms in sequence, then is matched with a fixed pulley block on the front end hanging head of the innermost telescopic arm and a movable pulley block on the lifting hook, and finally is connected onto a side plate of the hanging head.
The technical effects of the utility model are that: the hoisting winch does not occupy the space of the vehicle body, can improve the design length of the carriage, and is beneficial to improving the transportation capacity of the vehicle-mounted hoisting transport vehicle. And has the advantages of convenient installation, use and maintenance. The crane is provided with two front supporting legs and two rear supporting legs at the rear part of the crane body, so that the crane has better stability and safety during hoisting operation and better hoisting capacity. The defects that the height of the rear part of the vehicle body serving as a rear support can not be adjusted, the balance and the stability are poor, and the left and right support spans are small in the hoisting process are overcome, and the integral support area and the support stability of the vehicle body during the hoisting process are improved. Thereby indirectly improving the lifting capacity and the working efficiency of the vehicle body and being beneficial to the development of the lorry-mounted crane to the direction of larger lifting tonnage.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the front hydraulic leg assembly of the present invention;
fig. 3 is a schematic structural view of an embodiment of the rear hydraulic leg assembly of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, it comprises a lifting transport vehicle body 4 with a cab 1, a crane 2 and a carriage 3 arranged on a chassis from front to back in sequence, a front hydraulic leg assembly 5 is arranged at the position of the crane 2 of the lifting transport vehicle body 4, the crane 2 is composed of a base 21, a body 22, a boom 23 and a lifting hoisting mechanism 24, the base 21 is fixedly arranged on the chassis of the lifting transport vehicle body 4, the body 22 is rotatably arranged on the base 21, a swing mechanism 25 is arranged between the base 21 and the body 22, the swing mechanism 25 is composed of a gear ring arranged on the base 21 and a rotary hydraulic speed reducing motor arranged on the body 22, a gear on an output shaft of the rotary hydraulic speed reducing motor is meshed with the gear ring to drive the body 22 to rotate on the base 21, the boom 23 comprises a plurality of telescopic arms 27 which are mutually sleeved and matched, the rear end of the outermost telescopic arm 27 is hinged with the body, a lifting hydraulic cylinder 28 is arranged between the outermost telescopic arm 27 and the machine body 22, the tail end of the cylinder body is hinged with the machine body 22, the end part of the cylinder rod is hinged with the telescopic arm 27, the lifting hoisting mechanism 24 is arranged below the crane boom 23 and is arranged on the machine body 22, one end of a lifting steel wire rope 29 is wound and connected on a winding drum of the lifting hoisting mechanism 24, the other end of the lifting steel wire rope is matched with pulleys 30 which are rotatably arranged above the rear end and the front end of the outermost telescopic arm 27 and above the front ends of other telescopic arms 27 in sequence, is matched with a fixed pulley block 32 on a hanging head 31 at the front end of the innermost telescopic arm 27 and a movable pulley block on a hanging hook 33.
The front hydraulic leg assembly 5 is composed of two front horizontal leg jackets 51, a left front horizontal movable leg 52, a right front horizontal movable leg 53, a left front vertical telescopic leg 54 and a right front vertical telescopic leg 55, the two front horizontal leg jackets 51 are respectively fixed on the base 21 in a front-back parallel manner, the left front horizontal movable leg 52 and the right front horizontal movable leg 53 are respectively horizontally and slidably installed in the front horizontal leg jacket 51, a left horizontal hydraulic cylinder is arranged in the left front horizontal movable leg 52, the tail end of the left horizontal hydraulic cylinder body is connected with the right end of the front horizontal leg jacket 51, the end of the cylinder rod faces the left end of the left front horizontal movable leg 52 and is connected with the left front horizontal movable leg 52, a right horizontal hydraulic cylinder is arranged in the right front horizontal movable leg 53, the tail end of the right horizontal hydraulic cylinder body is connected with the left end of the front horizontal leg jacket 51, the end of the cylinder rod faces the right end of the right front horizontal movable leg 53 and is connected with the right, the left front vertical telescopic leg 54 and the right front vertical telescopic leg 55 are respectively composed of a left front vertical hydraulic cylinder 56, a right front vertical hydraulic cylinder 57 and a front leg 58, the cylinders of the left front vertical hydraulic cylinder 56 and the right front vertical hydraulic cylinder 57 are vertically fixed at the left end of the left front horizontal movable leg 52 and the right end of the right front horizontal movable leg 53, and the ends of the cylinder rods are downward and respectively provided with the front leg 58.
The left front vertical hydraulic cylinder 56 and the right front vertical hydraulic cylinder 57 are respectively provided with a hydraulic lock for preventing the hydraulic oil pipe of the connecting supporting leg from bursting and accidents caused by misoperation.
A rear hydraulic support leg assembly 6 arranged on the chassis is arranged behind the rear wheel of the hoisting and transporting vehicle body 4.
The rear hydraulic leg assembly 6 is composed of a rear horizontal leg jacket 61, a left rear horizontal movable leg 62, a right rear horizontal movable leg 63, a left rear vertical telescopic leg 64 and a right rear vertical telescopic leg 65, the rear horizontal leg jacket 61 is fixed on the chassis, the left rear horizontal movable leg 62 and the right rear horizontal movable leg 63 are horizontally and slidably mounted in the left half section and the right half section of the rear horizontal leg jacket 61 respectively in the left and right direction, a single-cylinder double-cylinder rod hydraulic cylinder with an integrated structure is arranged in the left rear horizontal movable leg 62 and the right rear horizontal movable leg 63, the middle part of the cylinder body is fixedly mounted in the middle position in the rear horizontal leg jacket 61, the end part of the left cylinder rod faces the left end direction of the left rear horizontal movable leg 62 and is connected with the left rear horizontal movable leg 62, the end part of the right cylinder rod faces the right end direction of the right rear horizontal movable leg 63 and is connected with the right rear horizontal movable leg 63, the left rear vertical telescopic leg 64 and the right rear vertical telescopic leg 65 are respectively composed of a vertical leg outer sleeve 66, a vertical leg movable sleeve 67, a vertical hydraulic cylinder 68 and a rear leg 69, the vertical leg outer sleeves 66 of the left rear vertical telescopic leg 64 and the right rear vertical telescopic leg 65 are respectively vertically fixed at the left end of the left rear horizontal movable leg 62 and the right end of the right rear horizontal movable leg 63, the vertical leg movable sleeve 67 is vertically and slidably mounted in the vertical leg outer sleeve 66, the vertical hydraulic cylinder 68 is positioned in the vertical leg movable sleeve 67, the tail end of the cylinder body is connected with the upper end part of the vertical leg outer sleeve 66, the end part of the cylinder rod is downwards connected with the lower end of the vertical leg movable sleeve 67, and each rear leg 69 is respectively positioned below the matched vertical leg movable sleeve 67 and fixed at the lower end of the vertical leg movable sleeve 67.
Or, the rear hydraulic leg assembly 6 is composed of two rear horizontal leg jackets 61, a left rear horizontal movable leg 62, a right rear horizontal movable leg 63, a left rear vertical telescopic leg 64 and a right rear vertical telescopic leg 65, the two rear horizontal leg jackets 61 are fixed on the chassis in parallel, the left rear horizontal movable leg 62 and the right rear horizontal movable leg 63 are respectively horizontally and slidably mounted in the rear horizontal leg jacket 61, a left horizontal hydraulic cylinder is arranged in the left rear horizontal movable leg 62, the tail end of the left horizontal hydraulic cylinder body is connected with the right end of the rear horizontal leg jacket 61, the end of the cylinder rod faces the left end of the left rear horizontal movable leg 62 and is connected with the left rear horizontal movable leg 62, a right horizontal hydraulic cylinder is arranged in the right rear horizontal movable leg 63, the tail end of the right horizontal hydraulic cylinder body is connected with the left end of the rear horizontal leg jacket 61, the end of the cylinder rod faces the right end of the right rear horizontal movable leg 63 and is connected with the right rear horizontal, the left rear vertical telescopic leg 64 and the right rear vertical telescopic leg 65 are respectively composed of a vertical leg outer sleeve 66, a vertical leg movable sleeve 67, a vertical hydraulic cylinder 68 and a rear leg 69, the vertical leg outer sleeves 66 of the left rear vertical telescopic leg 64 and the right rear vertical telescopic leg 65 are respectively vertically fixed at the left end of the left rear horizontal movable leg 62 and the right end of the right rear horizontal movable leg 63, the vertical leg movable sleeve 67 is vertically and slidably mounted in the vertical leg outer sleeve 66, the vertical hydraulic cylinder 68 is positioned in the vertical leg movable sleeve 67, the tail end of the cylinder body is connected with the upper end part of the vertical leg outer sleeve 66, the end part of the cylinder rod is downwards connected with the lower end of the vertical leg movable sleeve 67, and each rear leg 69 is respectively positioned below the matched vertical leg movable sleeve 67 and fixed at the lower end of the vertical leg movable sleeve 67.
The vertical hydraulic cylinders 68 of the left rear vertical telescopic leg 64 and the right rear vertical telescopic leg 65 are respectively provided with a hydraulic lock for preventing the hydraulic oil pipe of the connecting leg from bursting and accidents caused by misoperation. The vertical leg outer sleeve 66 and the vertical leg movable sleeve 67 can be configured or not according to the situation, and the purpose can be achieved by directly using the vertical hydraulic cylinder 68.
The working principle is as follows:
when a lorry-mounted crane transport vehicle (lorry-mounted crane) is about to perform lifting operation, the front hydraulic support leg assembly 5 is opened, the rear hydraulic support leg assembly 6 is opened, the horizontal movable support leg is firstly extended out, and the length is adjusted to be proper. And then the vertical telescopic supporting legs are erected, and the height of the vertical supporting legs is adjusted according to the horizontal condition of the vehicle until the vehicle is relatively horizontal.
The front hydraulic support leg assembly 5 and the rear hydraulic support leg assembly 6 are matched for application, so that the reliability and the safety of the lorry-mounted crane during lifting are improved, the working efficiency is improved, and the device is a necessary device for upgrading and improving the lorry-mounted crane.
The advantages are that: the crane fully utilizes the space between the crane body 22 and the crane boom 23 and utilizes the space above the crane boom 23, so that the hoisting steel wire rope 29 of the hoisting and winding mechanism 24 is smoothly connected with the fixed pulley block 32 and the movable pulley block on the hoisting head 31, the installation, the use and the maintenance are convenient, and the space occupied by the installation of the hoisting and winding mechanism 24 is reduced. The adoption of the four supporting legs ensures the stability during hoisting operation, can respectively adjust the extension length according to the working environment, and can adjust the level of the crane body by respectively adjusting the extension length of the vertical supporting legs. Under the conditions of not increasing the weight and the volume of the crane and not increasing any part, the hoisting capacity is improved, the working radius is increased, and the safety and the reliability of the lorry-mounted hoisting transport vehicle during hoisting are ensured.
Claims (8)
1. The four-leg hoisting and transporting vehicle with the upper rope comprises a hoisting and transporting vehicle body (4) which is provided with a cab (1), a crane (2) and a carriage (3) in sequence from front to back on a chassis, wherein a front hydraulic leg assembly (5) is arranged at the position of the crane (2) of the hoisting and transporting vehicle body (4), the crane (2) consists of a base (21), a machine body (22), a crane boom (23) and a hoisting and hoisting mechanism (24), the base (21) is fixedly arranged on the chassis of the hoisting and transporting vehicle body (4), the machine body (22) is rotatably arranged on the base (21), a rotating mechanism (25) is arranged between the base (21) and the machine body (22), the rotating mechanism (25) consists of a gear ring arranged on the base (21) and a rotating hydraulic speed reducing motor arranged on the machine body (22), a gear on an output shaft of the rotating hydraulic speed reducing motor is meshed with the gear ring to drive the machine body (22) to rotate on, the crane boom (23) is including a plurality of sections flexible arm (27) of mutual suit complex, and the rear end and fuselage (22) of outside flexible arm (27) are articulated mutually, are equipped with between outside flexible arm (27) and fuselage (22) that the cylinder body tail end is articulated mutually with fuselage (22), jar rod end and flexible arm (27) articulated lifting hydraulic cylinder (28) mutually, its characterized in that: the hoisting and hoisting mechanism (24) is positioned below the cargo boom (23) and is arranged on the machine body (22), one end of a hoisting steel wire rope (29) is wound and connected on a winding drum of the hoisting and hoisting mechanism (24), the other end of the hoisting steel wire rope is matched with pulleys (30) which are rotatably arranged above the rear end and the front end of the outermost telescopic boom (27) and above the front ends of other telescopic booms (27), then is matched with a fixed pulley block (32) on a hanging head (31) at the front end of the innermost telescopic boom (27) and a movable pulley block on a hanging hook (33), and is finally connected on a side plate of the hanging head.
2. The upper-rope four-leg lifting transport vehicle as claimed in claim 1, wherein the front hydraulic leg assembly (5) is composed of two front horizontal leg jackets (51), a left front horizontal movable leg (52), a right front horizontal movable leg (53), a left front vertical telescopic leg (54) and a right front vertical telescopic leg (55), the two front horizontal leg jackets (51) are respectively fixed on the base (21) in a front-back parallel manner, the left front horizontal movable leg (52) and the right front horizontal movable leg (53) are respectively and horizontally slidably mounted in the front horizontal leg jacket (51), a left horizontal hydraulic cylinder is arranged in the left front horizontal movable leg (52), the tail end of the left horizontal hydraulic cylinder body is connected to the right end of the front horizontal leg jacket (51), the end of the cylinder rod faces the left end of the left front horizontal movable leg (52) and is connected with the left front horizontal movable leg (52), the left end of a left front horizontal movable supporting leg (52) and the right end of a right front horizontal movable supporting leg (53) are respectively fixed with the left end of the right front horizontal movable supporting leg (53) vertically, and the end parts of cylinder rods are downwards and respectively provided with a front supporting leg (58).
3. The upper-walking four-leg lifting transport vehicle as claimed in claim 2, wherein the left front vertical hydraulic cylinder (56) and the right front vertical hydraulic cylinder (57) are respectively provided with hydraulic locks for preventing the hydraulic oil pipe connecting the legs from bursting and accidents caused by misoperation.
4. The upper-roping four-leg crane truck as claimed in claim 1, wherein a rear hydraulic leg assembly (6) mounted on the chassis is provided behind the rear wheels of the crane truck body (4).
5. The four-leg lift truck with upper rope according to claim 4, wherein the rear hydraulic leg assembly (6) is composed of a rear horizontal leg sheath (61), a left rear horizontal movable leg (62), a right rear horizontal movable leg (63), a left rear vertical telescopic leg (64) and a right rear vertical telescopic leg (65), the rear horizontal leg sheath (61) is fixed on the chassis, the left rear horizontal movable leg (62) and the right rear horizontal movable leg (63) are horizontally and slidably mounted in the left half section and the right half section of the rear horizontal leg sheath (61) in a left-right manner, respectively, a single cylinder body and double-cylinder rod hydraulic cylinder of an integrated structure is arranged in the left rear horizontal movable leg sheath (62) and the right rear horizontal movable leg (63), the middle part of the cylinder body is fixedly mounted in the middle position of the rear horizontal leg sheath (61), the end part of the left cylinder rod faces the left end of the left rear horizontal movable leg (62) and is connected with the left rear horizontal movable leg (62), the end part of the right cylinder rod faces the right end direction of the right rear horizontal movable supporting leg (63) and is connected with the right rear horizontal movable supporting leg (63), the left rear vertical telescopic supporting leg (64) and the right rear vertical telescopic supporting leg (65) are respectively composed of a vertical supporting leg outer sleeve (66), a vertical supporting leg movable sleeve (67), a vertical hydraulic cylinder (68) and a rear supporting leg (69), the vertical supporting leg outer sleeves (66) of the left rear vertical telescopic supporting leg (64) and the right rear vertical telescopic supporting leg (65) are respectively vertically fixed at the left end of the left rear horizontal movable supporting leg (62) and the right end of the right rear horizontal movable supporting leg (63), the vertical supporting leg movable sleeve (67) is vertically and slidably installed in the vertical supporting leg outer sleeve (66), the vertical hydraulic cylinder (68) is positioned in the vertical supporting leg movable sleeve (67), the tail end of a cylinder body is connected with the upper end part of the vertical supporting leg outer sleeve (66), the end part of the cylinder rod is downwards connected with, each rear support leg (69) is respectively positioned below the matched vertical support leg movable sleeve (67) and fixed at the lower end of the vertical support leg movable sleeve (67).
6. The upper-roping four-leg jack-up transport vehicle as claimed in claim 5, wherein the vertical hydraulic cylinders (68) of the left rear vertical telescopic leg (64) and the right rear vertical telescopic leg (65) are respectively provided with hydraulic locks for preventing the hydraulic oil pipes of the connecting legs from bursting and accidents caused by misoperation.
7. The four-leg lifting transport vehicle with the upper rope running according to claim 4, characterized in that the rear hydraulic leg assembly (6) is composed of two rear horizontal leg sleeves (61), a left rear horizontal movable leg (62), a right rear horizontal movable leg (63), a left rear vertical telescopic leg (64) and a right rear vertical telescopic leg (65), the two rear horizontal leg sleeves (61) are fixed on the chassis in a front-rear parallel manner, the left rear horizontal movable leg (62) and the right rear horizontal movable leg (63) are respectively and horizontally slidably mounted in one rear horizontal leg sleeve (61), a left horizontal hydraulic cylinder is arranged in the left rear horizontal movable leg (62), the tail end of the left horizontal hydraulic cylinder body is connected to the right end of the rear horizontal leg sleeve (61), the end of the cylinder rod faces the left end of the left rear horizontal movable leg (62) and is connected with the left rear horizontal movable leg (62), a right horizontal hydraulic cylinder is arranged in the right rear horizontal movable supporting leg (63), the tail end of a cylinder body of the right horizontal hydraulic cylinder is connected with the left end of a rear horizontal supporting leg outer sleeve (61), the end part of a cylinder rod faces the right end direction of the right rear horizontal movable supporting leg (63) and is connected with the right rear horizontal movable supporting leg (63), a left rear vertical telescopic supporting leg (64) and a right rear vertical telescopic supporting leg (65) are respectively composed of a vertical supporting leg outer sleeve (66), a vertical supporting leg movable sleeve (67), a vertical hydraulic cylinder (68) and a rear supporting leg (69), the vertical supporting leg outer sleeves (66) of the left rear vertical telescopic supporting leg (64) and the right rear vertical telescopic supporting leg (65) are respectively and vertically fixed at the left end of the left rear horizontal movable supporting leg (62) and the right end of the right rear horizontal movable supporting leg (63), the vertical supporting leg movable sleeve (67) is vertically and slidably installed in the vertical supporting leg outer sleeve (66), the vertical hydraulic, the tail end of the cylinder body is connected with the upper end part of a vertical supporting leg outer sleeve (66), the end part of the cylinder rod is downwards connected with the lower end of a vertical supporting leg movable sleeve (67), and each rear supporting foot (69) is respectively positioned below the vertical supporting leg movable sleeve (67) which is matched with the rear supporting foot and is fixed at the lower end of the vertical supporting leg movable sleeve (67).
8. The upper-roping four-leg jack-up transport vehicle as claimed in claim 7, wherein the vertical hydraulic cylinders (68) of the left rear vertical telescopic leg (64) and the right rear vertical telescopic leg (65) are respectively provided with hydraulic locks for preventing the hydraulic oil pipes of the connecting legs from bursting and accidents caused by misoperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005301.4U CN211338602U (en) | 2020-01-03 | 2020-01-03 | Four-leg lifting transport vehicle with upper walking rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005301.4U CN211338602U (en) | 2020-01-03 | 2020-01-03 | Four-leg lifting transport vehicle with upper walking rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211338602U true CN211338602U (en) | 2020-08-25 |
Family
ID=72131880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020005301.4U Expired - Fee Related CN211338602U (en) | 2020-01-03 | 2020-01-03 | Four-leg lifting transport vehicle with upper walking rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211338602U (en) |
-
2020
- 2020-01-03 CN CN202020005301.4U patent/CN211338602U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |