CN112249954A - High and new energy automobile that facilitates use of stability is with cutting formula jack - Google Patents
High and new energy automobile that facilitates use of stability is with cutting formula jack Download PDFInfo
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- CN112249954A CN112249954A CN202011109587.1A CN202011109587A CN112249954A CN 112249954 A CN112249954 A CN 112249954A CN 202011109587 A CN202011109587 A CN 202011109587A CN 112249954 A CN112249954 A CN 112249954A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 244000309464 bull Species 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/247—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated pneumatically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/04—Jacks with screw and nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/05—Hydraulic jacks
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a scissor jack for a new energy automobile, which is high in stability and convenient to use, and relates to the technical field of automobile articles. This high and new energy automobile that facilitates use of stability is with cutting formula jack, the on-line screen storage device comprises a base, the top transmission of base is connected with the bracing piece, the top transmission of bracing piece is connected with the footstock, the central authorities of bracing piece run through there is the lead screw, the right-hand member fixed mounting of lead screw has the dome, the inside roll connection of dome has the ball. This high and the new energy automobile that facilitates use of stability is with cutting formula jack, when guaranteeing that rings drive the lead screw rotation, rings can move towards different directions, and then can come the position of adjustment operation according to actual need, and is more convenient, has realized the support to between base and the footstock, slows down the pressure of lead screw to and when avoiding the smooth silk of lead screw or bracing piece to become invalid, pounding suddenly of automobile body falls, has improved the security when the jack uses.
Description
Technical Field
The invention relates to the technical field of automobile articles, in particular to a scissor jack for a new energy automobile, which is high in stability and convenient to use.
Background
The scissor jack is called a support jack, and is light and fast, so that the scissor jack becomes a vehicle-mounted product of a plurality of new energy automobile factories at present, and the traditional scissor jack is not provided with other auxiliary supporting devices except for a supporting arm between an upper base and a lower base, so that after the automobile is jacked up, the threaded connection part of an intermediate screw rod can bear great pressure, the abrasion of the screw rod is easy to accelerate, the supporting function can be lost when the screw rod slides or the supporting arm is broken, the automobile can directly fall off to cause safety accidents, the orientation of the traditional scissor jack hanging ring is fixed, when the rotating rod is utilized to drive the hanging ring and the screw rod to rotate, the operation can be carried out only from one side towards which the hanging ring faces, a reasonable operation station can not be selected according to actual conditions, and the convenience in operation is reduced.
In order to solve the above problems, the inventor provides a scissor jack for a new energy vehicle, which has high stability and is convenient to use, the lifting ring can face different directions while the lifting ring drives the screw rod to rotate, and further the position of operation can be adjusted according to actual needs, so that the scissor jack is more convenient, the support between the base and the top seat is realized, the pressure of the screw rod is reduced, the phenomenon that the vehicle body is suddenly knocked down when the screw rod slides or the supporting rod fails is avoided, and the safety of the jack in use is improved.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high and new energy automobile that facilitates use of stability is with cutting formula jack, includes base, bracing piece, footstock, lead screw, dome, ball, spout, ball, rings, casing, cylinder, telescopic link, piston, gas pocket, installation pole, slider, stifled valve, first spring, slide bar, transfer line, installation piece, connecting rod, second spring, gag lever post.
Wherein:
the top of the base is in transmission connection with a supporting rod, the top end of the supporting rod is in transmission connection with a top seat, a lead screw penetrates through the center of the supporting rod, a round cover is fixedly mounted at the right end of the lead screw, a round ball is in rolling connection with the inside of the round cover, a sliding groove is formed between the round ball and the round cover, a ball is placed inside the sliding groove, a lifting ring is fixedly mounted at the right end of the ball, a shell is wrapped on the periphery of the lead screw, cylinders are fixedly mounted at the upper end and the lower end of the shell, a telescopic rod is connected to one side of the cylinder, which is far away from the shell, in a sliding manner, a piston is fixedly mounted at one end of the telescopic rod, which is located inside the cylinder, an air hole is formed in the periphery of one side, which is close to the shell, the utility model discloses a lead screw, including casing, installation piece, cylinder, slide bar, connecting rod, first spring of fixedly connected with between the slide block, the inside sliding connection of cylinder has the slide bar, the transmission is connected with the transfer line between slide bar and the slide block, the inside sliding connection of casing has the installation piece, the transmission is connected with the connecting rod between installation piece and the slide bar, both ends fixedly connected with second spring about the installation piece, the one end elastic connection that the installation piece is close to the lead screw has the gag lever post.
Preferably, the number of the supporting rods is four, the supporting rods are symmetrically and rotatably connected between the base and the top seat, and the middle parts of the supporting rods are rotatably connected with each other, so that the top seat jacks up or puts down the automobile by driving the supporting rods to fold and extend.
Preferably, the screw rod is in threaded connection with the rotating connection part on the left side of the supporting rod and is in rotating connection with the rotating connection part on the right side of the supporting rod, so that the supporting rod can be driven to fold or extend in the process of rotating the screw rod.
Preferably, the combination of spout and ball is six groups altogether, evenly distributed between dome and ball for rings can drive the ball and carry out the swing of arbitrary angle in dome's inside, and keep rotating the rotation of driving dome and lead screw when rings.
Preferably, the combination of the cylinder and the telescopic rod is two groups, the cylinder and the telescopic rod are symmetrically and fixedly mounted at the upper end and the lower end of the shell, and the telescopic rods at the upper side and the lower side are fixedly connected with the top seat and the base respectively, so that the cylinder, the telescopic rod and the shell are supported between the top seat and the base.
Preferably, it is single the spacing sliding connection in one side that the installation pole is close to the casing has two sliders in the cylinder, two the bottom of slider all rotates and is connected with the transfer line, and the other end of two transfer lines all rotates with the slide bar and is connected, consequently, when the slide bar moves down, through the effect of two transfer lines, can make two sliders shrink to the centre.
Preferably, one end of the limiting rod, which is close to the screw rod, is arc-shaped, the limiting rod is meshed with the screw rod, and when the screw rod rotates, the limiting rod and the mounting block can move to one side by using friction force between the screw rod and the limiting rod.
The invention provides a scissor jack for a new energy automobile, which is high in stability and convenient to use. The method has the following beneficial effects:
1. this high and new energy automobile that facilitates use of stability is with cutting formula jack through the design of circle cover and ball between lead screw and the rings, and spout and ball between cooperation circle cover and the ball are utilizing the bull stick to drive rings and are rotating, and then the rotatory in-process of drive lead screw can make rings orientation different directions, and then can come the position of adjustment operation according to actual need, and is more convenient.
2. This high and new energy automobile that facilitates use of stability is with cutting formula jack, through the design of cylinder and telescopic link between base and the footstock, utilize the lead screw rotatory and when stopping to the control that the cylinder both sides gas pocket was opened and was closed, when the extension of normal drive bracing piece and shrink, the telescopic link can be normal flexible removal, and behind the jack-up automobile body, when the lead screw stops rotatoryly, can plug up the gas pocket, and then make piston and telescopic link effectively return and contract, realized the support between base and the footstock, the pressure that slows down the lead screw, and when avoiding lead screw smooth silk or bracing piece to become invalid, pounding suddenly of automobile body falls, the security when the jack used has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the housing and cylinder arrangement of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
FIG. 4 is a cross-sectional view of a dome and ball configuration of the present invention;
fig. 5 is a cross-sectional view of the structure of fig. 4 taken along line a-a in accordance with the present invention.
In the figure: 1. a base; 2. a support bar; 3. a top seat; 4. a screw rod; 5. a circular cover; 6. a ball; 7. a chute; 8. a ball bearing; 9. a hoisting ring; 10. a housing; 11. a cylinder; 12. a telescopic rod; 13. a piston; 14. air holes; 15. mounting a rod; 16. a slider; 17. blocking the valve; 18. a first spring; 19. a slide bar; 20. a transmission rod; 21. mounting blocks; 22. a connecting rod; 23. a second spring; 24. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The scissor jack for the new energy automobile with high stability and convenient use comprises the following embodiments:
referring to fig. 1 to 5, a scissor jack for a new energy vehicle with high stability and convenient use includes a base 1, a support rod 2, a top seat 3, a screw rod 4, a round cover 5, a round ball 6, a sliding slot 7, a ball 8, a lifting ring 9, a housing 10, a cylinder 11, a telescopic rod 12, a piston 13, an air hole 14, an installation rod 15, a slider 16, a blocking valve 17, a first spring 18, a sliding rod 19, a transmission rod 20, an installation block 21, a connection rod 22, a second spring 23, and a limit rod 24.
Wherein:
the top of the base 1 is in transmission connection with four support rods 2, the support rods 2 are symmetrically and rotatably connected between the base 1 and the top seat 3, the middle parts of the support rods are in mutual rotation connection, therefore, the top seat 3 jacks up or puts down an automobile by driving the support rods 2 to fold and extend, the top end of each support rod 2 is in transmission connection with the top seat 3, a lead screw 4 penetrates through the center of each support rod 2, the lead screw 4 is in threaded connection with the rotating connection part on the left side of the support rod 2 and is in rotational connection with the rotating connection part on the right side of the support rod 2, therefore, the support rods 2 can be driven to fold or extend in the process of rotating the lead screw 4, a round cover 5 is fixedly arranged at the right end of each lead screw 4, round balls 6 are in rolling connection with the inside of the round cover 5, sliding grooves 7 are formed between the round balls 6 and the round cover 5, balls 8, evenly distributed between dome 5 and ball 6, make rings 9 can drive ball 6 and carry out the swing of arbitrary angle in dome 5's inside, and keep rotating rings 9 and drive dome 5 and the rotation of lead screw 4 when 9, the right-hand member fixed mounting of ball 8 has rings 9, through the design of dome 5 and ball 6 between lead screw 4 and the rings 9, spout 7 and ball 8 between cooperation dome 5 and the ball 6, it is rotatory to drive rings 9 at the utilization bull stick, and then the rotatory in-process of drive lead screw 4, can make rings 9 orientation different directions, and then can adjust the position of operation according to actual need, and is more convenient.
The periphery of the screw rod 4 is wrapped by a shell 10, the upper end and the lower end of the shell 10 are fixedly provided with air cylinders 11, one side of each air cylinder 11, which is far away from the shell 10, is connected with an expansion link 12 in a sliding manner, the combination of the air cylinders 11 and the expansion links 12 is two groups, the upper end and the lower end of the shell 10 are symmetrically and fixedly arranged, the expansion links 12 on the upper side and the lower side are respectively and fixedly connected with the footstock 3 and the base 1, so that the air cylinders 11, the expansion links 12 and the shell 10 are supported between the footstock 3 and the base 1, one end of each expansion link 12, which is positioned inside the air cylinder 11, is fixedly provided with a piston 13, the periphery of one side, which is close to the shell 10, of the air cylinder 11 is provided with air holes 14, the inside of each air cylinder 11 is fixedly provided with an installation rod 15, one side, which, and the other ends of the two transmission rods 20 are rotatably connected with the sliding rod 19, therefore, when the sliding rod 19 moves downwards, the two sliding blocks 16 can contract towards the middle under the action of the two transmission rods 20, the two sides of the sliding blocks 16 are fixedly connected with the blocking valves 17, the first spring 18 is fixedly connected between the sliding blocks 16, the sliding rod 19 is slidably connected inside the air cylinder 11, the transmission rod 20 is rotatably connected between the sliding rod 19 and the sliding blocks 16, the mounting block 21 is slidably connected inside the shell 10, the connecting rod 22 is rotatably connected between the mounting block 21 and the sliding rod 19, the second springs 23 are fixedly connected at the left end and the right end of the mounting block 21, one end of the mounting block 21, which is close to the screw rod 4, is elastically connected with the limiting rod 24, one end of the limiting rod 24, which is close to the screw rod 4, is arc-shaped, the arrangement of the limiting rod 24 is mutually meshed with the screw, can make gag lever post 24 and installation piece 21 remove to one side, through the design of cylinder 11 and telescopic link 12 between base 1 and footstock 3, utilize lead screw 4 rotatory with when stopping to the control that cylinder 11 both sides gas pocket 14 opened and closed, when normal drive bracing piece 2 extends and contracts, telescopic link 12 can be normal flexible removal, and behind the jack-up automobile body, lead screw 4 stops when rotatory, can plug up gas pocket 14, and then make piston 13 and telescopic link 12 effectively return and contract, realized to the support between base 1 and the footstock 3, slow down the pressure of lead screw 4, and when avoiding lead screw 4 smooth silk or bracing piece 2 to become invalid, the sudden pound of automobile body falls, the security when having improved the jack and using.
When the lifting jack is used, when the lifting jack is required to jack a vehicle body, the lifting jack is firstly placed at the bottom of the vehicle, the base 1 is contacted with the hard and flat ground, then the lifting ring 9 is hooked by the rotating rod, the limit rolling connection of the ball 6 at one end of the lifting ring 9 in the circular cover 5 is utilized, and the design of the sliding groove 7 and the ball 8 between the ball 6 and the circular cover 5 can ensure that the lifting ring 9 can move to any angle and can drive the circular cover 5 and the screw rod 4 to rotate when the lifting ring 9 is driven to rotate, so that the position of operation can be adjusted, and the lifting jack is more convenient, in the process of driving the screw rod 4 to rotate, the screw rod 4 is connected with the screw thread at one side of the supporting rod 2, so that the supporting rod 2 can extend in the vertical direction, so as to jack the vehicle body, in the process of continuous rotation of the screw rod 4, the friction force between the screw rod 4 and the limiting rod, the limiting rod 24 can drive the mounting block 21 to move a distance to one side, and further drive the connecting rod 22 to pull the sliding rod 19 to contract towards the middle, in the contraction process of the sliding rod 19, the slider 16 can compress the first spring 18 to draw close towards the middle by using the action of the transmission rod 20, and further drive the blocking valve 17 to contract, so as to open the air hole 14, so that the telescopic rod 12 can freely extend and contract inside the air cylinder 11, and when the specified support height is reached, the rotation of the lead screw 4 is stopped, under the action of the restoring force of the second spring 23, the mounting block 21 can be restored to the central position of the shell 10 by matching with the elastic contraction of the limiting rod 24, so that the connecting rod 22 pushes the sliding rod 19 to move outwards, and the blocking valve 17 is pushed to two sides by using the transmission rod 20, so that the air hole 14 is blocked, and further the piston 13 and the telescopic rod 12 cannot effectively, realized to the support between base 1 and the footstock 3, slowed down the pressure of lead screw 4 to and when avoiding lead screw 4 smooth silk or bracing piece 2 to become invalid, the automobile body pound suddenly and fall, and when putting down the automobile body, through reverse rotation lead screw 4, can make installation piece 21 move toward the opposite side, and then make connecting rod 22 stimulate slide bar 19 shrink again, come to open gas pocket 14 again, make telescopic link 12 can normally shrink, do not influence the ascending folding of the vertical side of bracing piece 2, and then come to put down the automobile body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high and the new energy automobile of facilitating use of stability is with cutting formula jack, includes base (1), its characterized in that: the top of the base (1) is connected with a supporting rod (2) in a transmission manner, the top of the supporting rod (2) is connected with a top seat (3) in a transmission manner, a screw rod (4) penetrates through the center of the supporting rod (2), a round cover (5) is fixedly installed at the right end of the screw rod (4), a round ball (6) is connected to the inner portion of the round cover (5) in a rolling manner, a sliding groove (7) is formed between the round ball (6) and the round cover (5), a ball (8) is placed in the sliding groove (7), a hanging ring (9) is fixedly installed at the right end of the ball (8), a shell (10) is wrapped on the periphery of the screw rod (4), air cylinders (11) are fixedly installed at the upper end and the lower end of the shell (10), one side, away from the shell (10), of the air cylinders (11) is connected with telescopic rods (12) in a sliding, the periphery of one side of the cylinder (11) close to the shell (10) is provided with an air hole (14), a mounting rod (15) is fixedly mounted inside the cylinder (11), a sliding block (16) is connected to one side of the mounting rod (15) close to the shell (10) in a limiting and sliding manner, two sides of the sliding blocks (16) are fixedly connected with blocking valves (17), a first spring (18) is fixedly connected between the sliding blocks (16), a sliding rod (19) is connected inside the air cylinder (11) in a sliding manner, a transmission rod (20) is connected between the sliding rod (19) and the sliding block (16) in a transmission manner, the inner part of the shell (10) is connected with a mounting block (21) in a sliding way, a connecting rod (22) is connected between the mounting block (21) and the sliding rod (19) in a transmission way, the left end and the right end of the mounting block (21) are fixedly connected with a second spring (23), one end of the mounting block (21) close to the screw rod (4) is elastically connected with a limiting rod (24).
2. The scissor jack for the new energy automobile, which is high in stability and convenient to use, as claimed in claim 1, wherein: the number of the support rods (2) is four, the base (1) and the top seat (3) are symmetrically and rotatably connected, and the middle parts of the support rods are rotatably connected with each other.
3. The scissor jack for the new energy automobile, which is high in stability and convenient to use, as claimed in claim 1, wherein: the screw rod (4) is in threaded connection with the rotating connection part on the left side of the supporting rod (2) and is in rotating connection with the rotating connection part on the right side of the supporting rod (2).
4. The scissor jack for the new energy automobile, which is high in stability and convenient to use, as claimed in claim 1, wherein: the combination of the sliding grooves (7) and the balls (8) is six groups, and the six groups are uniformly distributed between the circular cover (5) and the circular balls (6).
5. The scissor jack for the new energy automobile, which is high in stability and convenient to use, as claimed in claim 1, wherein: the combination of the air cylinders (11) and the telescopic rods (12) is divided into two groups, the two groups are symmetrically and fixedly arranged at the upper end and the lower end of the shell (10), and the telescopic rods (12) at the upper side and the lower side are fixedly connected with the top seat (3) and the base (1) respectively.
6. The scissor jack for the new energy automobile, which is high in stability and convenient to use, as claimed in claim 1, wherein: the single limiting and sliding connection device is characterized in that two sliding blocks (16) are connected to one side, close to the shell (10), of the mounting rod (15) in the cylinder (11) in a limiting and sliding mode, the bottom ends of the two sliding blocks (16) are connected with transmission rods (20) in a rotating mode, and the other ends of the two transmission rods (20) are connected with sliding rods (19) in a rotating mode.
7. The scissor jack for the new energy automobile, which is high in stability and convenient to use, as claimed in claim 1, wherein: one end of the limiting rod (24) close to the screw rod (4) is arc-shaped, and the limiting rod (24) is meshed with the screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109587.1A CN112249954B (en) | 2020-10-16 | 2020-10-16 | High and new energy automobile that facilitates use of stability is with cutting formula jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109587.1A CN112249954B (en) | 2020-10-16 | 2020-10-16 | High and new energy automobile that facilitates use of stability is with cutting formula jack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112249954A true CN112249954A (en) | 2021-01-22 |
| CN112249954B CN112249954B (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011109587.1A Active CN112249954B (en) | 2020-10-16 | 2020-10-16 | High and new energy automobile that facilitates use of stability is with cutting formula jack |
Country Status (1)
| Country | Link |
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| CN (1) | CN112249954B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104761A (en) * | 2021-05-14 | 2021-07-13 | 潍坊工程职业学院 | Maintenance equipment convenient for automobile |
| CN114261917A (en) * | 2021-12-01 | 2022-04-01 | 华北理工大学 | Mechanical jack |
| CN114379281A (en) * | 2022-03-22 | 2022-04-22 | 深圳市华海新电科技有限公司 | Tire replacing device for new energy automobile |
| RU2782044C1 (en) * | 2022-04-18 | 2022-10-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Владимирский Государственный Университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) | Working method for the parallelogram jack |
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| CN114261917A (en) * | 2021-12-01 | 2022-04-01 | 华北理工大学 | Mechanical jack |
| CN114261917B (en) * | 2021-12-01 | 2023-08-22 | 华北理工大学 | Mechanical jack |
| CN114379281A (en) * | 2022-03-22 | 2022-04-22 | 深圳市华海新电科技有限公司 | Tire replacing device for new energy automobile |
| CN114379281B (en) * | 2022-03-22 | 2022-06-28 | 深圳市华海新电科技有限公司 | Tire replacing device for new energy automobile |
| RU2782044C1 (en) * | 2022-04-18 | 2022-10-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Владимирский Государственный Университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) | Working method for the parallelogram jack |
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