CN113816296A - Lifting device for locomotive detection - Google Patents
Lifting device for locomotive detection Download PDFInfo
- Publication number
- CN113816296A CN113816296A CN202111320840.2A CN202111320840A CN113816296A CN 113816296 A CN113816296 A CN 113816296A CN 202111320840 A CN202111320840 A CN 202111320840A CN 113816296 A CN113816296 A CN 113816296A
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- Prior art keywords
- supporting
- frame
- fixedly connected
- limiting
- sliding
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0633—Mechanical arrangements not covered by the following subgroups
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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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)
Abstract
The invention relates to the vehicle detection and maintenance industry, and particularly discloses a lifting device for locomotive detection, which comprises: a supporting seat; a jacking device; supporting the reinforcing component; the limiting and stabilizing assembly is fixedly connected with the jacking device; wherein, jacking device includes: the annular adjusting device is fixedly connected with the supporting seat; the transmission supporting component is movably connected with the annular adjusting device; linkage lifting unit, linkage lifting unit and transmission supporting component sliding connection, and with support reinforcement assembly swing joint, accomplish linkage lifting unit's auxiliary stay jacking, this device passes through annular adjusting device and the cooperation of transmission supporting component, realizes the stable jacking of outside support body and vehicle and adjusts, and inside support reinforcement assembly cooperates with spacing stabilizing assembly simultaneously, prevents to take place the skew in jacking accommodation process.
Description
Technical Field
The invention relates to the vehicle detection and maintenance industry, in particular to a lifting device for locomotive detection.
Background
Locomotive detection is a process of troubleshooting a vehicle with a fault by technical means, finding out the cause of the fault, and taking certain measures to remove the fault and recover the fault to reach certain performance and safety standards.
In carrying out locomotive testing process, need carry out the lifting to the vehicle to maintain the detection to the chassis position, the most stability of current locomotive detection lifting device is relatively poor, causes the toppling easily, has great potential safety hazard, consequently, for solving this problem, need to develop a more ripe lifting device for locomotive detection urgently.
Disclosure of Invention
The invention aims to provide a lifting device for locomotive detection, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a locomotive inspection lifting device comprising:
a supporting seat;
the jacking device is fixedly connected with the supporting seat;
the supporting and reinforcing component is fixedly connected with the jacking device and is used for reinforcing and supporting the jacking device;
the limiting and stabilizing assembly is fixedly connected with the jacking device and is used for longitudinally limiting and supporting the jacking device;
wherein, jacking device includes:
the annular adjusting device is fixedly connected with the supporting seat;
the transmission supporting assembly is movably connected with the annular adjusting device and is matched with the annular adjusting device to complete lifting adjustment of the vehicle;
and the linkage lifting assembly is connected with the transmission supporting assembly in a sliding manner, is movably connected with the supporting and reinforcing assembly and is used for supporting the reinforcing assembly in a matching manner to complete the auxiliary supporting and jacking of the linkage lifting assembly.
Compared with the prior art, the invention has the beneficial effects that: this device reasonable in design through annular adjusting device and the cooperation of transmission supporting component, realizes the stable jacking of outside support body and vehicle and adjusts, and inside support reinforcement assembly cooperates with spacing stabilizing assembly simultaneously, prevents to take place the skew in the jacking accommodation process, has improved the not enough of current device, has higher practicality and market prospect, is fit for using widely on a large scale.
Drawings
Fig. 1 is a schematic structural diagram of a lifting device for locomotive detection according to an embodiment of the present invention.
Fig. 2 is a top view of a pressure-bearing plate frame in a lifting device for locomotive detection according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an annular adjusting device in a lifting device for locomotive detection.
Fig. 4 is a schematic structural diagram of a shaft seat in a lifting device for detecting a locomotive.
In the figure: 1-a supporting seat, 2-a jacking device, 3-a ring adjusting device, 4-a transmission supporting component, 5-a linkage lifting component, 6-a supporting reinforcing component, 7-a limiting stabilizing component, 8-a positioning component, 301-a ring frame, 302-a limiting ring groove, 303-a first driving component, 304-an arc frame, 305-a transmission rod, 306-a connecting shaft frame, 401-a limiting frame, 402-a top frame, 403-a linkage telescopic frame, 404-a bearing plate frame, 501-a sliding seat, 502-a first supporting rod, 503-a connecting ring, 601-a fixing shaft frame, 602-a second supporting rod, 603-an elastic component, 701-a shaft seat, 702-a limiting rod, 703-a limiting slot, 801-a second driving component, 802-a limiting sliding groove, 803-third driving member.
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.
In an embodiment of the present invention, as shown in fig. 1, the lifting device for detecting a locomotive includes: a support base 1; the jacking device 2 is fixedly connected with the supporting seat 1; the supporting and reinforcing component 6 is fixedly connected with the jacking device 2 and used for reinforcing and supporting the jacking device 2; the limiting and stabilizing assembly 7 is fixedly connected with the jacking device 2 and used for longitudinally limiting and supporting the jacking device 2; wherein, jacking device 2 includes: the annular adjusting device 3 is fixedly connected with the supporting seat 1; the transmission supporting component 4 is movably connected with the annular adjusting device 3 and is matched with the annular adjusting device 3 to complete the lifting adjustment of the vehicle; linkage lifting unit 5, linkage lifting unit 5 and transmission supporting component 4 sliding connection, and with support 6 swing joint of reinforcement subassembly for the cooperation supports reinforcement subassembly 6, accomplishes linkage lifting unit 5's auxiliary stay jacking.
In one embodiment of the invention:
as shown in fig. 1 and 3, the ring adjuster 3 includes: the ring frame 301 is fixedly connected with the supporting seat 1; the limiting ring groove 302, the limiting ring groove 302 is arranged inside the ring frame 301; the first driving piece 303, the first driving piece 303 is fixedly connected with the ring frame 301; the first driving piece 303 adopts a motor; the arc-shaped frame 304 is connected with the first driving part 303 and is used for matching with the first driving part 303 to complete the driving regulation of the transmission supporting component 4; the connecting shaft frames 306 are fixedly connected with the inner parts of two sides of the arc-shaped frame 304, and the connecting shaft frames 306 are in annular sliding connection with the limiting ring grooves 302; one end of the transmission rod 305 is movably connected with the connecting shaft frame 306, and the other end of the transmission rod 305 is movably connected with the first linkage lifting component 4 and is used for transmission of the transmission supporting component 4;
when jacking adjustment is carried out, the outer arc-shaped frame 304 is driven by the first driving piece 303 to carry out circumferential rotation adjustment, the circumferential rotation arc-shaped frame 304 can be matched with the connecting shaft frame 306 to carry out rotation limiting in the limiting ring groove 302, and meanwhile, the circumferential rotation arc-shaped frame 304 can drive the transmission support component 4 to carry out adjustment through the transmission rods 305 on two sides, so that longitudinal movement adjustment of an outer vehicle is completed;
in addition, two electronic expansion brackets of accessible replace annular adjusting device 3, annular adjusting device 3 adjusts stability reinforce, drives the biax operation through single drive arrangement, has further improved the regulation synchronism of device.
In one embodiment of the invention:
as shown in fig. 1, the transmission support assembly 4 includes: the support comprises at least two limiting frames 401, wherein the limiting frames 401 are fixedly connected with a support seat 1; the linkage telescopic frame 403 is movably connected with the transmission rod 305, and the joint of the linkage telescopic frame 403 and the transmission rod 305 is in sliding butt joint with the inner side of the limiting frame 401; the pressure-bearing plate frame 404 is connected with one end, away from the transmission rod 305, of the linkage telescopic frame 403 in a sliding manner; the top frame 402 is fixedly connected with one end, far away from the supporting seat 1, of the limiting frame 401, and is in sliding connection with the linkage telescopic frame 403 in a sleeved mode;
the pressure-bearing plate frames 404 are arranged on the ground, when a vehicle drives into the pressure-bearing plate frames 404 on two sides to jack, the arc-shaped frames 304 are driven by the first driving piece 303 to rotate gradually from the transverse direction to the longitudinal direction, and selective adjustment is performed according to the height required by maintenance, when the arc-shaped frames 304 rotate, the transmission rod 305 drives the two-side linkage telescopic frames 403 to move oppositely in the top frame 402, so that the linkage lifting assembly 5 is driven to jack;
in addition, the transmission supporting component 4 can be replaced by the hydraulic frame, and the transmission supporting component 4 can be matched with the linkage lifting component 5 for linkage adjustment, so that the jacking stability is further improved.
In one embodiment of the invention:
as shown in fig. 1, the linked lift assembly 5 includes: at least two groups of sliding seats 501, one group of sliding seats 501 is connected with the bottom side of the pressure-bearing plate frame 404 in a sliding manner, the other group of sliding seats 501 is connected with the top side of the top frame 402 in a sliding manner, and the outer side of the bottom sliding seat 501 is fixedly connected with the inner side of the linkage telescopic frame 403; at least two first supporting rods 502, wherein one side of each first supporting rod 502 is movably connected with the top sliding seat 501, and the other side of each first supporting rod 502 is slidably connected with the bottom sliding seat 501; a connecting ring 503 positioned inside the first supporting rods 502 for rotatably connecting the middle parts of the two first supporting rods 502;
when the two-side linkage telescopic frames 403 move oppositely in the top frame 402, the bottom sliding base 501 is matched to drive the two-side first supporting rods 502 to rotate around the connecting ring 503 as an axis, and the top sliding base 501 is matched to drive the pressure-bearing plate frame 404 to lift while rotating;
in addition, the linkage lifting assembly 5 can be replaced by a longitudinal hydraulic frame, and the linkage lifting assembly 5 and the outer side linkage telescopic frame 403 can form a triangular stable structure, so that the jacking stability is further improved.
In one embodiment of the invention:
as shown in fig. 1 and 4, the position-limiting stabilizing assembly 7 includes: the shaft seat 701, the shaft seat 701 is fixedly installed outside the connecting ring 503; one side of the limiting rod 702 is fixedly connected with the pressure-bearing plate frame 404, and the other side of the limiting rod 702 is connected with the inside of the shaft seat 701 in a sliding and inserting manner; one side of the limiting slot 703 is fixedly connected with the top side of the top frame 402, and the other side of the limiting slot 703 is fixedly connected with one side of the limiting rod 702 far away from the pressure-bearing plate frame 404;
when the first supporting rods 502 on both sides rotate around the connecting ring 503 as an axis, the outer shaft seat 701 slides along the limiting rod 702 in a longitudinal sliding manner, so as to prevent lateral deviation when the lifting is performed.
In one embodiment of the invention:
as shown in fig. 1, the supporting reinforcement member 6 includes: the fixed shaft bracket 601 is fixedly connected with the linkage telescopic bracket 403; one end of each of the two second support rods 602 is movably connected with the fixed shaft bracket 601, the outer end of one of the second support rods 602 is movably connected with the top sliding seat 501, and the outer end of the other one of the second support rods 602 is movably connected with the first support rod 502; the elastic piece 603 is fixedly connected with the two second support rods 602; the elastic member 603 is a spring;
when the two-side linkage telescopic frames 403 perform opposite movement adjustment, the linkage lifting assembly 5 drives the two-side second support rods 602 to close for auxiliary support, and meanwhile, the internal elastic member 603 performs elastic support;
in addition, the elastic piece and the supporting and reinforcing component 6 can be replaced by a hydraulic frame, and the supporting and reinforcing component 6 can be matched with the linkage lifting component 5 to perform opening and closing supporting adjustment, so that the supporting synchronism is further improved.
In one embodiment of the invention:
as shown in fig. 1 and 2, the lifting device for detecting a locomotive further includes: at least two sets of locating component 8, locating component 8 fixed mounting is inside pressure-bearing grillage 404 for the fixed spacing of vehicle wheel body, locating component 8 includes: the second driving piece 801 is fixedly installed inside the pressure-bearing plate frame 404; the second driving piece 801 is an electric telescopic frame; the limiting sliding groove 802 is arranged on the outer side of the pressure-bearing plate frame 404; a third driving member 803, wherein the third driving member 803 is fixedly connected with the second driving member 801 and is slidably connected with the limiting sliding groove 802; the third driving member 803 is an electric telescopic frame;
after the vehicle runs to the fixed position of the pressure-bearing plate frame 404, the relative distance between the third driving parts 803 at two sides is adjusted through the second driving part 801 according to the vehicle wheelbase, then the third driving parts 803 are opened, the external frame body is lifted to be in contact with the vehicle wheel body for abutting, limiting and supporting, and the vehicle is prevented from moving;
in addition, the first driving member 303, the second driving member 801 and the third driving member 803 can be driven pneumatically, and the electric driving method is more accurate than the pneumatic driving method.
To sum up, this device passes through annular adjusting device 3 and the cooperation of transmission supporting component 4, realizes the stable jacking of outside support body and vehicle and adjusts, and inside support reinforcement subassembly 6 cooperates with spacing stabilizing component 7 simultaneously, prevents to take place the skew in jacking adjustment process.
The working principle of the invention is as follows: when jacking adjustment is carried out, the external arc-shaped frame 304 is driven by the first driving piece 303 to carry out circumferential rotation adjustment, the circumferential rotation arc-shaped frame 304 can be matched with the connecting shaft bracket 306 to carry out rotation limiting in the limiting ring groove 302, meanwhile, the circumferential rotation arc-shaped frame 304 can drive the transmission supporting component 4 to be adjusted through the transmission rods 305 on two sides, longitudinal movement adjustment of an external vehicle is completed, the two electric telescopic frames can replace the annular adjusting device 3, the annular adjusting device 3 is high in adjustment stability, double shafts are driven to run through a single driving device, the adjustment synchronism of the device is further improved, the pressure-bearing plate frames 404 are arranged on the ground, the vehicle drives into the pressure-bearing plate frames 404 on two sides, and when jacking is carried out, the arc-shaped frame 304 is driven by the first driving piece 303 to gradually rotate from the transverse direction to the longitudinal direction, according to the height required by maintenance, when the arc frame 304 rotates, the transmission rod 305 drives the two side linkage telescopic frames 403 to move oppositely in the top frame 402, thereby driving the linkage lifting component 5 to carry out jacking adjustment, replacing the transmission supporting component 4 by a hydraulic frame, the transmission supporting component 4 can be matched with the linkage lifting component 5 for linkage adjustment, so that the lifting stability is further improved, when the two side linked telescopic frames 403 move oppositely in the top frame 402, the bottom slide 501 is engaged to drive the two side first supporting rods 502 to rotate around the connecting ring 503, and the top slide 501 is engaged to drive the pressure-bearing plate frame 404 to lift up while rotating, the linkage lifting assembly 5 can be replaced by a longitudinal hydraulic frame, and the linkage lifting assembly 5 and the outer linkage telescopic frame 403 can form a triangular stable structure, so that the lifting stability is further improved;
when the first supporting rods 502 on the two sides rotate by taking the connecting ring 503 as an axis, the outer shaft seats 701 are longitudinally sleeved and slide along the limiting rods 702 to prevent lateral deviation when jacking, when the two-side linkage telescopic frames 403 are adjusted in opposite movement, the linkage lifting assembly 5 drives the second supporting rods 602 on the two sides to be closed to perform auxiliary supporting, meanwhile, the inner elastic member 603 performs elastic supporting, the elastic member and the support reinforcing assembly 6 can be replaced by a hydraulic frame, the support reinforcing assembly 6 can be matched with the linkage lifting assembly 5 to perform opening and closing support adjustment to further improve support synchronism, after the vehicle runs to a fixed position of the bearing plate frame 404, the relative distance of the third driving members 803 on the two sides is adjusted by the second driving members 801 according to the vehicle axle distance, then the third driving members 803 are opened to lift the outer frame body to contact with the vehicle wheel body to perform abutting limiting supporting, preventing the vehicle from moving.
Claims (7)
1. A locomotive detects uses lifting device, its characterized in that, locomotive detects uses lifting device includes:
a supporting seat;
the jacking device is fixedly connected with the supporting seat;
the supporting and reinforcing component is fixedly connected with the jacking device and is used for reinforcing and supporting the jacking device;
the limiting and stabilizing assembly is fixedly connected with the jacking device and is used for longitudinally limiting and supporting the jacking device;
wherein, jacking device includes:
the annular adjusting device is fixedly connected with the supporting seat;
the transmission supporting assembly is movably connected with the annular adjusting device and is matched with the annular adjusting device to complete lifting adjustment of the vehicle;
and the linkage lifting assembly is connected with the transmission supporting assembly in a sliding manner, is movably connected with the supporting and reinforcing assembly and is used for supporting the reinforcing assembly in a matching manner to complete the auxiliary supporting and jacking of the linkage lifting assembly.
2. The locomotive testing lift device of claim 1, wherein the loop adjustment device comprises:
the ring frame is fixedly connected with the supporting seat;
the limiting ring groove is arranged in the ring frame;
the first driving piece is fixedly connected with the ring frame;
the arc-shaped frame is connected with the first driving piece and is used for matching with the first driving piece to complete the driving adjustment of the transmission supporting assembly;
the connecting shaft brackets are fixedly connected with the inner parts of two sides of the arc-shaped frame and are in annular sliding connection with the limiting ring grooves;
and one end of the transmission rod is movably connected with the connecting shaft frame, and the other end of the transmission rod is movably connected with the first linkage lifting assembly and used for transmission of the transmission supporting assembly.
3. The locomotive testing lift device of claim 2, wherein the drive support assembly comprises:
the limiting frames are fixedly connected with the supporting seat;
the linkage telescopic frame is movably connected with the transmission rod, and the joint of the linkage telescopic frame and the transmission rod is in sliding butt joint with the inner side of the limiting frame;
the pressure-bearing plate frame is connected with one end, far away from the transmission rod, of the linkage telescopic frame in a sliding manner;
the top frame is fixedly connected with one end, far away from the supporting seat, of the limiting frame and is in sleeved sliding connection with the linkage expansion bracket.
4. The locomotive testing lift device of claim 3, wherein the linked lift assembly comprises:
at least two groups of sliding seats, one group of sliding seats is connected with the bottom side of the pressure plate frame in a sliding manner, the other group of sliding seats is connected with the top side of the top frame in a sliding manner, and the outer side of the bottom sliding seat is fixedly connected with the inner side of the linkage telescopic frame;
one side of each first support rod is movably connected with the top sliding seat, and the other side of each first support rod is slidably connected with the bottom sliding seat;
and the connecting ring is positioned inside the first supporting rods and is used for rotatably connecting the middle parts of the two first supporting rods.
5. The locomotive detects uses lifting device of claim 4, characterized in that, the spacing stable subassembly includes:
the shaft seat is fixedly arranged outside the connecting ring;
one side of the limiting rod is fixedly connected with the pressure-bearing plate frame, and the other side of the limiting rod is connected with the inside of the shaft seat in a sliding and inserting manner;
and one side of the limiting slot is fixedly connected with the top side of the top frame, and the other side of the limiting slot is fixedly connected with one side of the limiting rod far away from the pressure-bearing plate frame.
6. The locomotive testing lift device of claim 4, wherein the support reinforcement assembly comprises:
the fixed shaft bracket is fixedly connected with the linkage telescopic bracket;
one end of each of the two second support rods is movably connected with the fixed shaft bracket, the outer end of one second support rod is movably connected with the top sliding seat, and the outer end of the other second support rod is movably connected with the first support rod;
and the elastic piece is fixedly connected with the two second supporting rods.
7. The locomotive testing lift device of claim 3, further comprising:
at least two sets of locating component, locating component fixed mounting is inside the pressure-bearing grillage for the fixed spacing of vehicle wheel body, locating component includes:
the second driving piece is fixedly arranged inside the pressure-bearing plate frame;
the limiting sliding groove is arranged on the outer side of the pressure-bearing plate frame;
and the third driving piece is fixedly connected with the second driving piece and is in sliding connection with the limiting sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111320840.2A CN113816296B (en) | 2021-11-09 | 2021-11-09 | Lifting device for locomotive detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111320840.2A CN113816296B (en) | 2021-11-09 | 2021-11-09 | Lifting device for locomotive detection |
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| Publication Number | Publication Date |
|---|---|
| CN113816296A true CN113816296A (en) | 2021-12-21 |
| CN113816296B CN113816296B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111320840.2A Active CN113816296B (en) | 2021-11-09 | 2021-11-09 | Lifting device for locomotive detection |
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| US20050087728A1 (en) * | 2002-07-31 | 2005-04-28 | Kelly Falk | Portable vehicle lift |
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| EP3385212A1 (en) * | 2017-04-07 | 2018-10-10 | ABER- Embraiagens e Comandos Hidraulicos Antonio Bernardes, Lda. | Leveraged tilting or lifting scissors system, method of operation and uses thereof |
| CN110541591A (en) * | 2019-10-11 | 2019-12-06 | 杭州福瑞科技有限公司 | Cross-shaped vehicle-entering lifting device with lifting turntable |
| CN211310666U (en) * | 2019-10-28 | 2020-08-21 | 南宁职业技术学院 | Lifting support for automobile maintenance personnel |
| CN212082834U (en) * | 2020-04-20 | 2020-12-04 | 史莹莹 | Workbench for vehicle detection |
| CN213326534U (en) * | 2020-09-08 | 2021-06-01 | 河南工业职业技术学院 | Automobile machinery lifting device |
| CN213976826U (en) * | 2020-11-23 | 2021-08-17 | 深圳市三好科技有限公司 | Adjustable support valve for hydraulic lifting platform |
| CN113414253A (en) * | 2021-08-23 | 2021-09-21 | 烟台佑利技术有限公司 | Metal plate bending and forming device |
| CN214399649U (en) * | 2021-02-03 | 2021-10-15 | 抚顺罕王傲牛矿业股份有限公司 | Supporting platform with good stability for mining |
| CN113526404A (en) * | 2021-07-31 | 2021-10-22 | 瑞安市海乃机械有限公司 | Jacking equipment of steel structure beam for mounting small-sized factory building |
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2021
- 2021-11-09 CN CN202111320840.2A patent/CN113816296B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724930A (en) * | 1985-03-25 | 1988-02-16 | 554072 Ontario Inc. | Hydraulic lift |
| US20050087728A1 (en) * | 2002-07-31 | 2005-04-28 | Kelly Falk | Portable vehicle lift |
| US20130300184A1 (en) * | 2011-01-06 | 2013-11-14 | Lixin Zhou | Auxiliary wheel, unassisted lifting jack and apparatus for unlocking and locking self-locking device of auxiliary wheel |
| EP3385212A1 (en) * | 2017-04-07 | 2018-10-10 | ABER- Embraiagens e Comandos Hidraulicos Antonio Bernardes, Lda. | Leveraged tilting or lifting scissors system, method of operation and uses thereof |
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| CN211310666U (en) * | 2019-10-28 | 2020-08-21 | 南宁职业技术学院 | Lifting support for automobile maintenance personnel |
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| CN213326534U (en) * | 2020-09-08 | 2021-06-01 | 河南工业职业技术学院 | Automobile machinery lifting device |
| CN213976826U (en) * | 2020-11-23 | 2021-08-17 | 深圳市三好科技有限公司 | Adjustable support valve for hydraulic lifting platform |
| CN214399649U (en) * | 2021-02-03 | 2021-10-15 | 抚顺罕王傲牛矿业股份有限公司 | Supporting platform with good stability for mining |
| CN113526404A (en) * | 2021-07-31 | 2021-10-22 | 瑞安市海乃机械有限公司 | Jacking equipment of steel structure beam for mounting small-sized factory building |
| CN113414253A (en) * | 2021-08-23 | 2021-09-21 | 烟台佑利技术有限公司 | Metal plate bending and forming device |
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| Publication number | Publication date |
|---|---|
| CN113816296B (en) | 2023-03-21 |
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