CN109399499B - Scissor type energy-saving lifting device - Google Patents
Scissor type energy-saving lifting device Download PDFInfo
- Publication number
- CN109399499B CN109399499B CN201811316907.3A CN201811316907A CN109399499B CN 109399499 B CN109399499 B CN 109399499B CN 201811316907 A CN201811316907 A CN 201811316907A CN 109399499 B CN109399499 B CN 109399499B
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- fork arm
- inner fork
- hinged
- slide bar
- outer fork
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- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 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
Classifications
-
- 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
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
-
- 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
- B66F7/065—Scissor linkages, i.e. X-configuration
-
- 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)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a scissor type energy-saving lifting device which comprises a lower supporting plate, an upper supporting plate, an outer fork arm and an inner fork arm, wherein the outer fork arm comprises a left outer fork arm and a right outer fork arm; an upper rotating shaft which is pivoted with the left inner fork arm and the right inner fork arm and is horizontally arranged is arranged between the upper parts of the left inner fork arm and the right inner fork arm, and an upper supporting beam is fixedly connected on the upper rotating shaft; a lower supporting beam which is horizontally arranged is fixedly connected between the lower parts of the left inner fork arm and the right outer fork arm, the cylinder body of the power cylinder is hinged with the lower supporting beam, and the piston rod of the power cylinder is hinged with the upper supporting beam; an intermediate beam is arranged between the left outer fork arm and the right outer fork arm, the intermediate beam is pivoted with the middle parts of the left sliding rod and the right sliding rod, the upper supporting beam is hinged with one ends of the left connecting rod and the right connecting rod respectively, the other ends of the left connecting rod and the right connecting rod are hinged with one ends of the left sliding rod and the right sliding rod respectively, and the other ends of the left sliding rod and the right sliding rod face the lower parts of the left outer fork arm and the right outer fork arm respectively. The device is light, energy-saving and labor-saving.
Description
Technical Field
The invention relates to a scissor type energy-saving lifting device, and belongs to the technical field of agricultural machinery.
Background
At present, lifting devices such as an overhead operation lifting platform, an agricultural picking lifting platform, a container logistics transport trolley and the like are needed in many occasions, so that not only are labor and manpower saved, but also the operation cost can be reduced, and the application is very common. The existing lifting device is basically formed by overlapping scissor fork structures, and adopts a single fork, double fork or multiple fork structure according to the requirements of lifting height, and Chinese patent CN201810340775.1 discloses a lifting device for an agricultural greenhouse lifting vehicle, which adopts a double fork structure and adopts a sliding block to move in a guide rail so as to realize free and stable lifting movement; chinese patent CN201810285058.3 discloses a multistage fork tandem lifting platform with good passage in a small space, which adopts oil pressure to drive and control lifting. The search finds that the power of the scissors is mainly pushed by a hydraulic cylinder or an electric cylinder, and partial products are integrated by double cylinders or multiple cylinders so as to realize specific high thrust.
However, the existing hydraulic cylinder or electric cylinder for lifting the platform is generally directly and rigidly connected with the platform, and has no auxiliary labor-saving measures, and at least two adverse effects are directly caused: firstly, the selection standards of a cylinder body and a pump station or a motor for driving the cylinder body are far higher than the design requirements, the materials are small, and the cost is increased sharply; secondly, the overall weight of the lifting platform is increased, the lifting platform is heavy and laborious, and the logistics transportation is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problems that: the scissor type platform lifting device is light, energy-saving and labor-saving.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a cut fork energy-conserving elevating gear, includes lower bolster, upper backup pad, outer yoke, interior yoke, power jar, left connecting rod, right connecting rod, left slide bar and right slide bar, outer yoke includes left outer yoke and right outer yoke, interior yoke includes left interior yoke and right interior yoke, the upper end of outer yoke is articulated with the upper backup pad, the lower extreme of outer yoke supports and leans on the lower bolster, the lower extreme of interior yoke is articulated with the lower bolster, the upper end of interior yoke supports with the upper backup pad; the outer fork arm is hinged with the inner fork arm, and the hinge point of the outer fork arm is positioned in the middle of the outer fork arm and the inner fork arm, namely the middle of the left outer fork arm is hinged with the middle of the left inner fork arm, and the middle of the right outer fork arm is hinged with the middle of the right inner fork arm; an upper rotating shaft which is pivoted with the left inner fork arm and the right inner fork arm and is horizontally arranged is arranged between the upper parts of the left inner fork arm and the right inner fork arm, and an upper supporting beam is fixedly connected on the upper rotating shaft; a lower supporting beam which is horizontally arranged is fixedly connected between the lower parts of the left inner fork arm and the right outer fork arm, the cylinder body of the power cylinder is hinged with the lower supporting beam, and the piston rod of the power cylinder is hinged with the upper supporting beam; a middle beam which is pivoted with the left outer fork arm and the right outer fork arm and is horizontally arranged is arranged between the left outer fork arm and the right outer fork arm, and the middle beam is positioned between the middle hinging points of the outer fork arm and the inner fork arm and the upper supporting beam; the middle beam is pivoted with the middle parts of the left slide bar and the right slide bar, the upper supporting beam is respectively hinged with one ends of the left connecting rod and the right connecting rod, the other ends of the left connecting rod and the right connecting rod are respectively hinged with one ends of the left slide bar and the right slide bar, and the other ends of the left slide bar and the right slide bar respectively extend towards the lower parts of the left inner fork arm and the right inner fork arm; when the device works, the left slide bar and the right slide bar are in a first state of respectively leaning against the left inner fork arm and the right inner fork arm and a second state of respectively separating from the left inner fork arm and the right inner fork arm.
The further improvement of the technical scheme is as follows: the lower parts of the left and right inner fork arms are respectively provided with a left and right sliding rail along the length direction of the left and right inner fork arms, and the left and right sliding bars just respectively lean against the left and right sliding rails when in a first state. Preferably, the end part of the left sliding rod, which faces the lower part of the left inner fork arm, is provided with a left sliding rod wheel matched with the left sliding rail, and the end part of the right sliding rod, which faces the lower part of the right inner fork arm, is provided with a right sliding rod wheel matched with the right sliding rail.
The technical scheme is still further improved as follows: an upper limit switch is arranged at the hinge joint of the right inner fork arm and the lower support plate, and an upper screw matched with the upper limit switch is arranged on the right inner fork arm; a lower limit switch is arranged at the hinge joint of the left inner fork arm and the lower support plate, and an elastic switch capable of swinging up and down is arranged on the lower limit switch; the upper limit switch and the lower limit switch are used for controlling the opening and closing of the power cylinder.
Preferably, the lower support plate is arranged on a chassis provided with travelling wheels.
Preferably, the uppermost ends of the left and right inner fork arms are respectively provided with an upper roller, and the lowermost ends of the left and right outer fork arms are respectively provided with a lower roller.
When the sliding rail is in an initial state, the left sliding rail and the right sliding rail are respectively clung to the left sliding rail wheel and the right sliding rail wheel, and at the moment, the left sliding rail and the right sliding rail are in a first state. Along with the extension of the piston rod of the power cylinder, the upper support plate is gradually separated from the lower support plate to enable the left slide rod and the right slide rod to be in a second state, and the included angle between the inner fork arm and the outer fork arm on the same side is gradually increased, so that the left slide rod wheel and the right slide rod wheel respectively slide upwards on the left slide rail and the right slide rail to be separated from the slide rails, and in the process, the left slide rail and the right slide rail bear the weight of part of the thrust of the piston rod of the power cylinder. In the process that the upper supporting plate continues to ascend, the left slide bar wheel and the right slide bar wheel are completely separated from the left slide rail and the right slide rail, and the upper supporting plate continues to ascend until the upper screw touches the upper limit switch. Similarly, in the descending process, the left slide bar wheel and the right slide bar wheel are completely separated, contacted and slipped to be completely attached together (at the moment, the descending is stopped when the lower screw touches the lower limit switch), and the left slide bar wheel and the right slide bar wheel are respectively pressed on the left slide rail and the right slide rail in the contacting and slipping process to be completely attached, so that the descending speed is slow at a uniform speed, the descending impact can be reduced, and the motion stability of the lifting device is improved.
The beneficial effects brought by the invention are as follows: 1) The device can reduce the model selection power of the hydraulic pump or the motor when lifting the weight, effectively reduce the energy consumption, reduce the design and production cost and has obvious benefit; the whole structure can be ensured to stably fall to the ground when the structure descends, the support is good, no impact is generated, and the reliability is improved. 2) The invention has simple structure and lower design cost; meanwhile, the lifting device has the upper and lower limiting functions, the lifting height can be adjusted according to requirements, the safety is good, and the lifting device has good popularization and application values.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a right side schematic view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view taken along A-A of fig. 1.
Fig. 4 is a schematic view of the installation of the right slide bar.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a schematic view of a contact state of the right slide bar wheel and the right slide rail.
Reference numerals: the novel lifting device comprises a chassis 1, a lower support plate 2, an upper limit switch 3, an upper screw 4, a right slide rail 5, a right outer fork arm 6, an upper support plate 7, an 8 heavy object, a right connecting rod 9, a cylinder body 10, a right inner fork arm 11, a lower roller 12, a right slide bar 13, an upper rotating shaft 14, an upper roller 15, an upper support beam 16, a middle beam 17, a left slide bar 18, a connecting beam 19, a lower limit switch 20, a lower support beam 21, a lower rotating shaft 22, a left outer fork arm 23, a left inner fork arm 24, a right slide bar frame 13-1 and a right slide bar wheel 13-2.
Detailed Description
Examples
The scissor type energy-saving lifting device of the embodiment is of a left-right symmetrical structure, as shown in fig. 1-3, and comprises a lower supporting plate 2, an upper supporting plate 7, an outer fork arm, an inner fork arm, a power cylinder 10, a left connecting rod, a right connecting rod 9, a left sliding rod 18 and a right sliding rod 13, wherein the lower supporting plate 2 is arranged on a chassis 1 provided with travelling wheels, so that the self-propelled function is realized.
The outer fork arm comprises a left outer fork arm 23 and a right outer fork arm 6, the inner fork arm comprises a left inner fork arm 24 and a right inner fork arm 11, the upper end of the outer fork arm is hinged with the upper support plate 7, the lower end of the outer fork arm is propped against the lower support plate 2, the lower end of the inner fork arm is hinged with the lower support plate 2, and the upper end of the inner fork arm is propped against the upper support plate 7; the outer fork arm is hinged with the inner fork arm, and the hinge point of the outer fork arm is positioned in the middle of the outer fork arm and the inner fork arm, namely, the middle of the left outer fork arm 23 is hinged with the middle of the left inner fork arm 24, and the middle of the right outer fork arm 6 is hinged with the middle of the right inner fork arm 11. The uppermost ends of the left and right inner fork arms are respectively provided with an upper roller 15, the bottommost ends of the left and right outer fork arms are pivoted with a horizontal lower rotating shaft 22, and two ends of the lower rotating shaft 22 are respectively provided with a lower roller 12.
An upper rotating shaft 14 pivoted with the left inner fork arm 24 and the right inner fork arm 11 and horizontally arranged is arranged between the upper parts of the left inner fork arm 24 and the right inner fork arm 11, an upper supporting beam 16 is fixedly connected on the upper rotating shaft 14, and the upper supporting beam 16 moves along with the rotation movement of the upper rotating shaft 14.
A lower supporting beam 21 which is horizontally arranged is fixedly connected between the lower parts of the left inner fork arm 24 and the right inner fork arm 11, the cylinder body of the power cylinder 10 is hinged with the lower supporting beam 21, and the piston rod of the power cylinder 10 is hinged with the upper supporting beam 16. The power cylinder 10 may be a hydraulic cylinder, an electric cylinder, an air cylinder, or the like.
An intermediate beam 17 pivoted with the left and right outer fork arms 23, 6 and horizontally arranged is arranged between the left and right outer fork arms 23, 6, and the intermediate beam 17 is positioned between the middle hinging points of the outer fork arms and the inner fork arms and the upper supporting beam 16.
The middle beam 17 is pivoted with the left slide bar 18 and the right slide bar 13, the left slide bar 18 and the right slide bar 13 are fixedly connected together through a connecting beam 19, and both slide bars can rotate around the middle beam 17. The upper support beam 16 is hinged with one ends of the left connecting rod and the right connecting rod 9 respectively, the other ends of the left connecting rod and the right connecting rod are hinged with one ends of the left sliding rod and the right sliding rod respectively, and the other ends of the left sliding rod and the right sliding rod extend towards the lower parts of the left inner fork arm and the right inner fork arm respectively. Thus, as the upper shaft 14 rotates, the two links and the two slide bars are driven to rotate around their hinge points.
In operation, the left and right slide bars 18, 13 have a first condition in which they rest against the left and right inner prongs, respectively, and a second condition in which they are separated from the left and right inner prongs, respectively.
The present embodiment can also be modified as follows: 1) The lower parts of the left and right inner fork arms 24, 11 are respectively provided with a left slide rail and a right slide rail 5 along the length direction thereof, and the left and right slide bars just respectively lean against the left and right slide rails when in a first state. Preferably, the end part of the left sliding rod, which faces the lower part of the left inner fork arm, is provided with a left sliding rod wheel matched with the left sliding rail, and the end part of the right sliding rod, which faces the lower part of the right inner fork arm, is provided with a right sliding rod wheel matched with the right sliding rail.
The mounting structure of the left slide bar 18 and the right slide bar 13 are the same, and the right slide bar 13 is taken as an example for explanation, as shown in fig. 4 and 5, the right slide bar frame 13-1 is sleeved on the middle beam 17 to form a pivot structure, the right slide bar 13 is fixedly connected with the right slide bar frame 13-1, and the right slide bar wheel 13-2 is mounted at the tail end of the right slide bar 13.
2) An upper limit switch 3 is arranged at the hinge joint of the right inner fork arm and the lower support plate, and an upper screw 4 matched with the upper limit switch 3 is arranged on the right inner fork arm; the hinge joint of the left inner fork arm and the lower supporting plate is provided with a lower limit switch 20, and an elastic switch capable of swinging up and down is arranged on the lower limit switch 20. The upper limit switch 3 and the lower limit switch 20 are used for controlling the opening and closing of the power cylinder.
When the embodiment is used, the initial state is shown as a state I in fig. 6, the left slide rail and the right slide rail are respectively clung to the left slide bar wheel and the right slide bar wheel, and the left slide bar and the right slide bar are in a first state. Along with the extension of the piston rod of the power cylinder, the upper support plate is gradually separated from the lower support plate to enable the left slide rod and the right slide rod to be in a second state, and the included angle between the inner fork arm and the outer fork arm on the same side is also gradually increased, so that the left slide rod wheel and the right slide rod wheel respectively slide upwards on the left slide rail and the right slide rail to be away from the slide rail (as shown in a state II in fig. 6), and in the process, the left slide rail and the right slide rail bear the weight of part of the thrust of the piston rod of the power cylinder. In the process of continuously lifting the upper supporting plate, the left slide bar wheel and the right slide bar wheel are completely separated from the left slide rail and the right slide rail (as shown in a state III in fig. 6), and the upper supporting plate continuously lifts until the upper screw touches the upper limit switch.
Similarly, in the descending process, the left slide bar wheel and the right slide bar wheel are completely separated, contacted and slipped to be completely attached together (at the moment, the descending is stopped when the lower screw touches the lower limit switch), and the left slide bar wheel and the right slide bar wheel are respectively pressed on the left slide rail and the right slide rail in the contacting and slipping process to be completely attached, so that the descending speed is slow at a uniform speed, the descending impact can be reduced, and the motion stability of the lifting device is improved.
The present invention is not limited to the specific technical solutions described in the above embodiments, and other embodiments may be provided in addition to the above embodiments. Any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art, which are within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (5)
1. The energy-saving scissor fork lifting device comprises a lower supporting plate, an upper supporting plate, an outer fork arm and an inner fork arm, wherein the outer fork arm comprises a left outer fork arm and a right outer fork arm, the inner fork arm comprises a left inner fork arm and a right inner fork arm, the upper end of the outer fork arm is hinged with the upper supporting plate, the lower end of the outer fork arm is propped against the lower supporting plate, the lower end of the inner fork arm is hinged with the lower supporting plate, and the upper end of the inner fork arm is propped against the upper supporting plate; the outer fork arm is hinged with the inner fork arm, and the hinge point of the outer fork arm is positioned in the middle of the outer fork arm and the inner fork arm, namely the middle of the left outer fork arm is hinged with the middle of the left inner fork arm, and the middle of the right outer fork arm is hinged with the middle of the right inner fork arm; the method is characterized in that: the device also comprises a power cylinder, a left connecting rod, a right connecting rod, a left sliding rod and a right sliding rod;
an upper rotating shaft which is pivoted with the left inner fork arm and the right inner fork arm and is horizontally arranged is arranged between the upper parts of the left inner fork arm and the right inner fork arm, and an upper supporting beam is fixedly connected on the upper rotating shaft;
a lower supporting beam which is horizontally arranged is fixedly connected between the lower parts of the left inner fork arm and the right outer fork arm, the cylinder body of the power cylinder is hinged with the lower supporting beam, and the piston rod of the power cylinder is hinged with the upper supporting beam;
a middle beam which is pivoted with the left outer fork arm and the right outer fork arm and is horizontally arranged is arranged between the left outer fork arm and the right outer fork arm, and the middle beam is positioned between the middle hinging points of the outer fork arm and the inner fork arm and the upper supporting beam;
the middle beam is pivoted with the middle parts of the left slide bar and the right slide bar, the upper supporting beam is respectively hinged with one ends of the left connecting rod and the right connecting rod, the other ends of the left connecting rod and the right connecting rod are respectively hinged with one ends of the left slide bar and the right slide bar, and the other ends of the left slide bar and the right slide bar respectively extend towards the lower parts of the left inner fork arm and the right inner fork arm; when the device works, the left slide bar and the right slide bar are in a first state of respectively leaning against the left inner fork arm and the right inner fork arm and a second state of respectively separating from the left inner fork arm and the right inner fork arm;
an upper limit switch is arranged at the hinge joint of the right inner fork arm and the lower support plate, and an upper screw matched with the upper limit switch is arranged on the right inner fork arm;
a lower limit switch is arranged at the hinge joint of the left inner fork arm and the lower support plate, and an elastic switch capable of swinging up and down is arranged on the lower limit switch; the upper limit switch and the lower limit switch are used for controlling the opening and closing of the power cylinder.
2. A scissor type energy efficient lifting device as defined in claim 1, wherein: the lower parts of the left and right inner fork arms are respectively provided with a left and right sliding rail along the length direction of the left and right inner fork arms, and the left and right sliding bars just respectively lean against the left and right sliding rails when in a first state.
3. A scissor type energy efficient lifting device as defined in claim 2, wherein: the end part of the left sliding rod, which faces the lower part of the left inner fork arm, is provided with a left sliding rod wheel matched with the left sliding rail, and the end part of the right sliding rod, which faces the lower part of the right inner fork arm, is provided with a right sliding rod wheel matched with the right sliding rail.
4. A scissor lift arrangement according to any of claims 1-3, characterized in that: the lower support plate is arranged on a chassis provided with travelling wheels.
5. A scissor lift arrangement according to any of claims 1-3, characterized in that: the uppermost ends of the left and right inner fork arms are respectively provided with an upper roller, and the lowermost ends of the left and right outer fork arms are respectively provided with a lower roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316907.3A CN109399499B (en) | 2018-11-07 | 2018-11-07 | Scissor type energy-saving lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316907.3A CN109399499B (en) | 2018-11-07 | 2018-11-07 | Scissor type energy-saving lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109399499A CN109399499A (en) | 2019-03-01 |
| CN109399499B true CN109399499B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316907.3A Active CN109399499B (en) | 2018-11-07 | 2018-11-07 | Scissor type energy-saving lifting device |
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| CN (1) | CN109399499B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0697367A1 (en) * | 1994-08-16 | 1996-02-21 | MAHA Maschinenbau Haldenwang GmbH & Co. KG | Scissor lift platform |
| DE19526596A1 (en) * | 1995-07-21 | 1997-01-23 | Reinhard Clamor | Crossed-strut lifting table |
| CN205170283U (en) * | 2015-11-30 | 2016-04-20 | 苏州市康鼎升降机械有限公司 | Fixed hydraulic lift |
| CN205990212U (en) * | 2016-08-18 | 2017-03-01 | 浙江吉利控股集团有限公司 | A kind of automobile lifting machine |
| CN209276081U (en) * | 2018-11-07 | 2019-08-20 | 农业部南京农业机械化研究所 | A kind of scissor-type energy saving lift device |
-
2018
- 2018-11-07 CN CN201811316907.3A patent/CN109399499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0697367A1 (en) * | 1994-08-16 | 1996-02-21 | MAHA Maschinenbau Haldenwang GmbH & Co. KG | Scissor lift platform |
| DE19526596A1 (en) * | 1995-07-21 | 1997-01-23 | Reinhard Clamor | Crossed-strut lifting table |
| CN205170283U (en) * | 2015-11-30 | 2016-04-20 | 苏州市康鼎升降机械有限公司 | Fixed hydraulic lift |
| CN205990212U (en) * | 2016-08-18 | 2017-03-01 | 浙江吉利控股集团有限公司 | A kind of automobile lifting machine |
| CN209276081U (en) * | 2018-11-07 | 2019-08-20 | 农业部南京农业机械化研究所 | A kind of scissor-type energy saving lift device |
Non-Patent Citations (1)
| Title |
|---|
| 轻型剪叉式升降平台结构分析与优化设计;李鹏波;张长伟;薛雪;;建设机械技术与管理(08);全文 * |
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| CN109399499A (en) | 2019-03-01 |
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