CN216889945U - Lifting platform device - Google Patents
Lifting platform device Download PDFInfo
- Publication number
- CN216889945U CN216889945U CN202220765108.XU CN202220765108U CN216889945U CN 216889945 U CN216889945 U CN 216889945U CN 202220765108 U CN202220765108 U CN 202220765108U CN 216889945 U CN216889945 U CN 216889945U
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- China
- Prior art keywords
- connecting rod
- front beam
- base
- hydraulic cylinder
- pin shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model relates to a lifting platform device with simple structure and accurate stroke control, which mainly comprises a base, a front beam, a rear beam, a hydraulic cylinder, a middle connecting rod, a lower connecting rod and a table board. The hydraulic cylinder is used for providing ascending or descending power and controlling the stroke; the base is used for fixing the whole device with the ground; the middle connecting rod and the lower connecting rod are used for connecting the front beam and the rear beam. The upper end of the front beam is rotatably connected with the rear end of the table board by a pin shaft and can freely rotate around the pin shaft; the lower end of the back beam is rotatably connected with the base through a pin shaft and can freely rotate around the pin shaft. The front beam and the rear beam can be driven by the hydraulic cylinder, one end of the front beam and one end of the rear beam rotate along the pin shaft, and the other end of the front beam and the other end of the rear beam respectively translate back and forth along the slide rails arranged on the table board and the base to drive the lifting platform to ascend or descend.
Description
Technical Field
The utility model relates to a lifting platform device.
Background
Lifting platforms are widely used in ports, warehouses and industrial production lines for continuously or intermittently lifting goods in order to transfer the goods from one station to the next. At present, the lifting platform is often driven by gears, chains or steel wire ropes. The gear-driven lifting platform is heavy in structure, complex in motion system and high in cost; the lifting platform driven by the chain and the steel wire rope has unstable motion and low displacement precision, and is not suitable for the requirement of accurately controlling the stroke in industrial production. The utility model relates to a lifting platform with simple motion system, strong bearing capacity and accurate motion control, which has obvious significance for reducing the equipment cost of enterprises and improving the production efficiency.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model is as follows:
in order to solve the problems, the utility model provides a lifting platform device which is simple in structure and accurate in stroke control; the lifting platform device mainly comprises a base, a front beam, a rear beam, a hydraulic cylinder, a middle connecting rod, a lower connecting rod and a table board.
Furthermore, the table top is used for supporting goods to be lifted or lowered, and the hydraulic cylinder is used for providing lifting or lowering power and controlling the stroke; the base is used for fixing the whole device with the ground; the front beam and the rear beam can rotate under the driving of the hydraulic cylinder to drive the table top to move up and down.
Furthermore, the upper end of the front beam is rotatably connected with the rear end of the table top by a pin shaft and can freely rotate around the pin shaft; the lower end of the back beam is rotatably connected with the base through a pin shaft and can freely rotate around the pin shaft.
Furthermore, the base is provided with a slide rail, the lower end of the front beam is provided with a roller, and the roller can roll back and forth on the slide rail of the base.
Furthermore, the lower part of the table top is also provided with a slide rail, and the upper end of the back beam is also provided with a roller which can roll back and forth on the slide rail of the table top.
Furthermore, the lower connecting rod and the middle connecting rod are used for connecting the front beam and the rear beam.
Furthermore, the hydraulic cylinder is connected with the lower connecting rod and the middle connecting rod through lug plates, the lug plates are fixedly connected with the lower connecting rod and the middle connecting rod, and the lug plates are rotatably connected with the hydraulic cylinder through pin shafts.
Further, when the piston rod of the hydraulic cylinder extends out, the lower end of the front beam rolls backwards along the slide rail arranged on the base, and the upper end of the rear beam rolls backwards along the slide rail arranged at the lower part of the table top to drive the table top to ascend; when the piston rod of the hydraulic cylinder is contracted, the lower end of the front beam rolls forwards along the slide rail arranged on the base, and the upper end of the rear beam rolls forwards along the slide rail arranged at the lower part of the table board to drive the table board to descend.
The utility model has the following positive effects:
the utility model has the advantages of simple structure, low cost, convenient control, rapid, stable and accurate lifting of the table top, accurate stroke and small running noise.
Drawings
FIG. 1 is a schematic view of the entire elevator apparatus;
FIG. 2 is a schematic view of the connection of the front beam with the base and the lower link;
FIG. 3 is a schematic view of the connection of the hydraulic cylinder to the lower link;
FIG. 4 is a schematic view of the connection of the back beam to the table top;
in the attached drawing, 1-front beam, 2-table top, 3-back beam, 4-middle connecting rod, 5-hydraulic cylinder, 6-lower connecting rod, 7-base, 8-ear plate pin shaft, 9-ear plate, 101-front beam wheel shaft, 102-front beam roller, 201-upper slide rail, 301-back beam wheel shaft, 302-back beam roller and 701-lower slide rail.
Detailed Description
As shown in the attached figure 1, the utility model mainly comprises a front beam (1), a table top (2), a rear beam (3), a middle connecting rod (4), a hydraulic cylinder (5), a lower connecting rod (6) and a base (7); the table top (2) is positioned at the upper part of the whole device and is used for lifting or lowering goods; the base (7) is positioned at the lower part of the whole device and is used for fixing the whole device on the ground; the upper end of the front beam (1) is rotatably connected with the rear end of the table top (2) by a pin shaft and can freely rotate around the pin shaft; the lower end of the front beam (1) can freely move back and forth along the base (7); the lower end of the rear beam (3) is rotatably connected with the rear end of the base (7) by a pin shaft and can freely rotate around the pin shaft; the upper end of the rear beam (3) can freely move back and forth along the table top (2); the middle connecting rod (4) and the lower connecting rod (6) are positioned between the front beam (1) and the rear beam (3) and are rotationally connected with the front beam (1) and the rear beam (3); the hydraulic cylinder (5) is positioned between the middle connecting rod (4) and the lower connecting rod (6) and is rotationally connected with the middle connecting rod (4) and the lower connecting rod (6).
As shown in the attached figure 2, the lower connecting rod (6) is rotatably connected with the lower end of the front beam (1) by adopting a stepped shaft, and the front beam (1) can freely rotate around the lower connecting rod (6); the lower part of the front beam (1) is provided with a front beam roller (102), the front beam roller (102) is fixedly connected with the main body of the front beam (1) by a front beam axle (101), and the front beam roller (102) can freely rotate around the front beam axle (101); the upper part of the base (7) is provided with a lower slide rail (701), and the front beam roller (102) can freely roll back and forth along the lower slide rail (701).
As shown in fig. 3, the hydraulic cylinder (5) is connected with the lower connecting rod (6) by an ear plate (9); the lug plate (9) is fixedly connected with the lower connecting rod (6) by welding, and is rotatably connected with the hydraulic cylinder (5) by a lug plate pin shaft (8); the hydraulic cylinder (5) can freely rotate along the lug plate pin shaft (8); the connection mode between the hydraulic cylinder (5) and the middle connecting rod (4) is completely consistent with that between the hydraulic cylinder (5) and the lower connecting rod (6).
As shown in fig. 4, an upper slide rail (201) is arranged at the lower part of the table top (2); the upper end of the back beam (3) is provided with a back beam roller (302), and the back beam roller (302) is fixedly connected with the main body of the back beam (3) by a back beam wheel shaft (301); the back beam roller (302) can freely roll along the upper sliding rail (201).
When the hydraulic lifting platform works, when a piston rod of the hydraulic cylinder (5) extends out, the lower end of the front beam (1) moves backwards along a lower sliding rail (701) arranged on the base (7), and the upper end of the rear beam (3) moves backwards along an upper sliding rail (201) arranged at the lower part of the platform surface (2) to drive the platform surface (2) to ascend; when a piston rod of the hydraulic cylinder (5) contracts, the lower end of the front beam (1) moves forwards along a lower sliding rail (701) arranged on the base (7), and the upper end of the rear beam (3) moves forwards along an upper sliding rail (201) arranged on the lower part of the table top (2) to drive the table top (2) to descend.
Claims (4)
1. A lifting platform device is characterized by comprising a front beam (1), a table top (2), a rear beam (3), a middle connecting rod (4), a hydraulic cylinder (5), a lower connecting rod (6) and a base (7); the table top (2) is positioned at the uppermost end of the device and is rotationally connected with the front beam (1) through a pin shaft; the whole device is fixed on the ground by the base (7) and is rotationally connected with the back beam (3) through a pin shaft; the middle connecting rod (4) and the lower connecting rod (6) are positioned between the front beam (1) and the rear beam (3) and are rotationally connected with the front beam (1) and the rear beam (3) by adopting stepped shafts; the hydraulic cylinder (5) is arranged between the middle connecting rod (4) and the lower connecting rod (6) and is connected with the middle connecting rod (4) and the lower connecting rod (6) by the lug plates (9).
2. A lifting platform device according to claim 1, characterized in that the lower end of the front beam (1) is provided with a front beam roller (102), and the upper part of the base (7) is provided with a lower slide rail (701); the front beam roller (102) can roll back and forth along the lower sliding rail (701).
3. A lifting platform device according to claim 1, characterised in that the ear plate (9) is fixedly connected to the lower link (6) by welding and is rotatably connected to the hydraulic cylinder (5) by means of an ear plate pin (8).
4. A lifting platform device according to claim 1, characterized in that the upper end of the back beam (3) is provided with a back beam roller (302), and the lower part of the table top (2) is provided with an upper slide rail (201); the back beam roller (302) can roll back and forth along the upper slide rail (201).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220765108.XU CN216889945U (en) | 2022-04-05 | 2022-04-05 | Lifting platform device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220765108.XU CN216889945U (en) | 2022-04-05 | 2022-04-05 | Lifting platform device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216889945U true CN216889945U (en) | 2022-07-05 |
Family
ID=82193255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220765108.XU Expired - Fee Related CN216889945U (en) | 2022-04-05 | 2022-04-05 | Lifting platform device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216889945U (en) |
-
2022
- 2022-04-05 CN CN202220765108.XU patent/CN216889945U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
|
CF01 | Termination of patent right due to non-payment of annual fee |