CN219991101U - Supporting leg mechanism of movable lifting platform - Google Patents
Supporting leg mechanism of movable lifting platform Download PDFInfo
- Publication number
- CN219991101U CN219991101U CN202321676221.1U CN202321676221U CN219991101U CN 219991101 U CN219991101 U CN 219991101U CN 202321676221 U CN202321676221 U CN 202321676221U CN 219991101 U CN219991101 U CN 219991101U
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- Prior art keywords
- screw rod
- lifting platform
- bearing
- supporting block
- leg mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000013459 approach Methods 0.000 claims abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a supporting leg mechanism of a movable lifting platform, and belongs to the technical field of lifting platforms. The lifting platform mainly comprises a supporting block, wherein an installation cavity is formed in the supporting block, a bearing is arranged in the installation cavity, a screw rod is arranged at the end part of the screw rod and is connected with the bearing, the bearing comprises a rod sleeve, the rod sleeve is arranged at the lower end of the lifting platform and is in threaded connection with the screw rod, the screw rod is suitable for rotating in the rod sleeve and stretching out, the supporting block is driven to approach to the ground and be in contact with the ground for fixing, the stretching length of the screw rod is adjusted, the supporting height of the lifting platform is adjusted, an outer ring of the bearing is fixed in the supporting block, and an inner ring of the bearing is fixedly connected with the screw rod, so that the inner ring drives the screw rod to rotate. The supporting leg mechanism of the movable lifting platform solves the problem that the screw rod is easy to rotate due to overlarge friction force between the supporting block and the ground.
Description
Technical Field
The utility model relates to the technical field of lifting platforms, in particular to a supporting leg mechanism of a movable lifting platform.
Background
The movable lifting platform is equipment for vertically transporting articles or personnel, and is generally composed of a movable chassis, a lifting platform and a supporting leg mechanism, can be used for lifting operation through a hydraulic or electric system, and is widely applied to electrolytic aluminum production so as to drive workers to maintain and manage an electrolytic tank through the movable lifting platform;
after the movable chassis moves the lifting platform to a designated position, the position of the lifting platform is fixed through the supporting leg mechanism on the movable chassis, and the height of the supporting leg mechanism is adjusted so that the lifting platform is in a horizontal state, and the lifting platform is prevented from being inclined when the lifting platform is operated, so that personnel fall or objects fall;
however, the existing supporting leg mechanism consists of a supporting block and a screw rod, the supporting block is usually fixedly connected with the screw rod, and the levelness of the movable lifting platform is adjusted by rotating the screw rod and adjusting the height of the screw rod;
however, in the process of adjusting the lifting platform to a horizontal state, since the supporting blocks are fixedly connected with the screw rod, the supporting blocks are driven to rotate together when the screw rod is rotated, and the supporting blocks are in direct contact with the ground, so that the friction force between the supporting blocks and the ground is easily caused to be too large, the screw rod is easily subjected to too large rotation stress, and the situation that the screw rod cannot rotate is easily caused, so that the lifting platform cannot be adjusted to the horizontal state, and therefore, the supporting leg mechanism of the movable lifting platform is necessary to be provided for solving the problems.
It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the above problems existing in the prior art, the present utility model aims to solve the problems: the supporting leg mechanism of the movable lifting platform solves the problem that the screw rod cannot rotate easily due to overlarge friction force between the supporting block and the ground.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a remove lift platform landing leg mechanism, includes the supporting shoe, has seted up the installation cavity in this supporting shoe, the bearing, this bearing install in the installation cavity, the lead screw, the tip of this lead screw with the bearing is connected, the bearing includes the pole cover, and this pole cover is installed in lift platform's lower extreme, the pole cover is established on the lead screw and with lead screw threaded connection, the lead screw is suitable for in the pole cover rotatory and stretches out, drives the supporting shoe is close to and fixed with ground contact towards ground, adjusts the lead screw stretches out length to adjust lift platform supporting height.
Further, a handle is arranged on the end part, close to the supporting block, of the screw rod, the handle is arranged on the side part of the screw rod, the handle is fixedly connected with the screw rod, and the handle is suitable for driving the screw rod to rotate.
Further, at least two groups of holes are formed in the top of the supporting block, a cover plate is sleeved on the screw rod, threaded holes matched with the holes are formed in the cover plate, and the cover plate is used for sealing the mounting cavity.
Further, the screw rod is made of an aluminum alloy material.
Further, a step block is arranged at the end part of the screw rod and is positioned at one side of the rod sleeve, and the step block is used for preventing the screw rod from completely extending out of the rod sleeve when the screw rod rotates.
The beneficial effects of the utility model are as follows: according to the supporting leg mechanism of the movable lifting platform, the outer ring of the bearing is fixed in the supporting block, the inner ring of the bearing is fixedly connected with the screw rod, and the screw rod is driven to rotate through the inner ring, so that the screw rod is not influenced by the supporting block when rotating, and the problem that the screw rod cannot rotate easily due to overlarge friction between the supporting block and the ground is solved.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a leg mechanism of a mobile lift platform according to the present utility model;
FIG. 2 is an exploded view of the leg mechanism of FIG. 1;
FIG. 3 is an enlarged schematic view of FIG. 2A;
wherein, each reference sign in the figure:
1. a support block; 2. a screw rod; 3. a handle; 4. a rod sleeve; 5. a bearing; 51. an outer ring; 52. an inner ring; 6. and a cover plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
The mobile lifting platform is generally composed of a mobile chassis, a lifting platform and a supporting leg mechanism, wherein the mobile chassis is fixedly installed at the bottom of the lifting platform to drive the lifting platform to move, the supporting leg mechanism is installed on the mobile chassis and used for supporting the ground and adjusting the supporting height of the supporting leg mechanism so as to adjust the lifting platform to be in a horizontal state, and specifically:
as shown in fig. 1, the supporting leg mechanism comprises a supporting block 1 and a screw rod 2 arranged on the supporting block 1, wherein the screw rod 2 is made of an aluminum alloy material, a mounting cavity is formed in the supporting block 1, a bearing 5 is arranged in the mounting cavity, the bearing 5 is connected with the screw rod 2, so that the screw rod 2 is driven to rotate on the supporting block 1, and the supporting block 1 is suitable for being contacted with the ground and fixedly connected with the ground;
meanwhile, a rod sleeve 4 is sleeved on the screw rod 2, the rod sleeve 4 is fixedly arranged on the movable chassis, and meanwhile, the rod sleeve 4 is in threaded connection with the screw rod 2, so that the screw rod 2 is suitable for rotating in the rod sleeve 4 and drives the supporting block 1 to approach or depart from the ground, a step block is arranged at the end part of the screw rod 2 and is positioned at one side of the rod sleeve 4, and the step block is used for preventing the screw rod 2 from rotating and completely extending out of the rod sleeve 4;
as shown in fig. 2-3, the bearing 5 includes an outer ring 51 and an inner ring 52 disposed in the outer ring 51, and balls (not shown) are disposed between the outer ring 51 and the inner ring 52, so that the inner ring 52 is adapted to rotate in the outer ring 51, and the balls are used to reduce friction force when the inner ring 52 rotates, and the bearing 5 is in the prior art, please refer to the prior art specifically, and not described herein in detail;
simultaneously, the outer ring 51 is inserted into the mounting cavity and fixedly connected with the inner wall of the mounting cavity, the end part of the screw rod 2 is matched with the inner ring of the inner ring 52, so that the screw rod 2 is inserted into the inner ring 52, and the screw rod 2 is fixedly connected with the inner ring 52, so that the screw rod 2 is suitable for rotating under the drive of the inner ring 52;
a handle 3 is arranged on the end part of the screw rod 2, which is close to the supporting block 1, the handle 3 is arranged on the side part of the screw rod 2, and the screw rod 2 is fixedly connected with the handle 3, so that the screw rod 2 is driven to rotate by rotating the handle 3;
at least two groups of holes are formed in the top of the supporting block 1, the cover plate 6 is sleeved on the screw rod and approaches the supporting block 1, threaded holes corresponding to the holes in the supporting block 1 are formed in the cover plate 6, and the cover plate 6 is fixed to the top of the supporting block 1 through bolts under the matching of the holes and the threaded holes, so that the installation cavity is sealed;
when the handle 3 is rotated, the screw rod 2 is driven to rotate, so that the screw rod 2 extends towards the ground and the supporting block 1 is driven to approach the ground, the supporting block 1 is contacted with the ground, the handle 3 is continuously rotated, the screw rod 2 is driven to rotate, the screw rod 2 extends towards the ground, and the supporting block 1 is fixed on the ground through the extrusion force of the screw rod 2 on the supporting block 1;
when the supporting block 1 is fixed on the ground, the handle 3 is continuously rotated to drive the screw rod 2 to rotate and continuously extend towards the ground, and the screw rod 2 supports the lifting platform under the action of the continuous extension of the screw rod 2 because the rod sleeve 4 is fixed at the lower end of the lifting platform, and meanwhile, the extension length of the screw rod 2 is controlled to adjust the supporting height of the screw rod 2, so that the lifting platform is adjusted to be in a horizontal state;
in summary, the outer ring 51 of the bearing 5 is fixed in the supporting block 1, the inner ring 52 of the bearing 5 is fixedly connected with the screw rod 2, and the screw rod 2 is driven to rotate by the inner ring 52, so that the screw rod 2 is not affected by the supporting block 1 when rotating, and the problem that the screw rod 2 cannot rotate due to overlarge friction between the supporting block 1 and the ground is solved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A mobile lift platform leg mechanism comprising:
the support block (1), the support block (1) is internally provided with an installation cavity;
-a bearing (5), the bearing (5) being mounted in the mounting cavity;
the screw rod (2), the tip of this screw rod (2) with bearing (5) are connected, its characterized in that: the bearing (5) comprises:
the rod sleeve (4) is arranged at the lower end of the lifting platform, and the rod sleeve (4) is sleeved on the screw rod (2) and is in threaded connection with the screw rod (2);
wherein: the screw rod (2) is suitable for rotating in the rod sleeve (4) and extending out, the supporting block (1) is driven to approach to the ground and is fixed with the ground in a contact way, and the extending length of the screw rod (2) is adjusted, so that the supporting height of the lifting platform is adjusted.
2. A mobile lift platform leg mechanism as in claim 1 wherein: the screw rod (2) is provided with a handle (3) at the end part close to the supporting block (1), the handle (3) is arranged at the side part of the screw rod (2), the handle (3) is fixedly connected with the screw rod (2), and the handle (3) is suitable for driving the screw rod (2) to rotate.
3. A mobile lift platform leg mechanism as claimed in claim 2 wherein: at least two groups of holes are formed in the top of the supporting block (1), a cover plate (6) is sleeved on the screw rod (2), threaded holes matched with the holes are formed in the cover plate (6), and the cover plate (6) is used for sealing the installation cavity.
4. A mobile lift platform leg mechanism as in claim 1 wherein: the screw rod (2) is made of aluminum alloy materials.
5. The mobile lift platform leg mechanism of claim 4 wherein: the end part of the screw rod (2) is provided with a step block, the step block is positioned on one side of the rod sleeve (4), and the step block is used for preventing the screw rod (2) from completely extending out of the rod sleeve (4) when rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676221.1U CN219991101U (en) | 2023-06-29 | 2023-06-29 | Supporting leg mechanism of movable lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676221.1U CN219991101U (en) | 2023-06-29 | 2023-06-29 | Supporting leg mechanism of movable lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219991101U true CN219991101U (en) | 2023-11-10 |
Family
ID=88607567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321676221.1U Active CN219991101U (en) | 2023-06-29 | 2023-06-29 | Supporting leg mechanism of movable lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219991101U (en) |
-
2023
- 2023-06-29 CN CN202321676221.1U patent/CN219991101U/en active Active
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