CN215798215U - Lifting mechanism - Google Patents
Lifting mechanism Download PDFInfo
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- CN215798215U CN215798215U CN202122055521.5U CN202122055521U CN215798215U CN 215798215 U CN215798215 U CN 215798215U CN 202122055521 U CN202122055521 U CN 202122055521U CN 215798215 U CN215798215 U CN 215798215U
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Abstract
The utility model relates to the technical field of lifting frames. The lifting mechanism comprises a platform, a lifting part and a middle plate fixed on the lifting part, wherein two ends of the middle plate are respectively provided with a supporting seat, the supporting seats are rotatably connected with a threaded rod, and the threaded rod is in threaded connection with a central rod; the linkage part drives the central rod to move along the axis direction of the threaded rod along with the rotation of the threaded rod, and the linkage part drives the platform to incline along with the movement of the central rod along the axis direction of the threaded rod. This scheme has mainly solved present article and has passed through the platform lift back, need unload article, adopts the manual work to carry now usually, nevertheless because the platform mainly is used for placing article, consequently leads to not having staff's the position of standing on the platform for the staff only bare-handed carries article from the platform, the problem that the transport degree of difficulty is big.
Description
Technical Field
The utility model relates to the technical field of lifting frames.
Background
The lifting mechanism, also called a lifting platform, is a hoisting machine for vertically transporting people or objects; also refers to equipment for vertical conveying in logistics systems such as factories and automatic warehouses, and various plane conveying equipment is often arranged on the lifting platform and is used as a connecting device for conveying lines with different heights.
At present, the lifting power of a lifting mechanism is mainly driven by hydraulic pressure, so the lifting mechanism is also called as a hydraulic lifting platform; the hydraulic lifting platform comprises a hydraulic cylinder, a telescopic frame and a platform, and during operation, the platform is driven to vertically move by the hydraulic cylinder, and the telescopic frame stretches along with the vertical movement of the platform; in the actual operation process, article pass through the platform lift back, need unload article, adopt the manual work to carry now usually, nevertheless because the platform is mainly used for placing article, consequently result in not having staff's standing position on the platform for the staff only has bare-handed to carry article from the platform, has increaseed the transport degree of difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting mechanism to solve the problems that at present, after an article is lifted through a platform, the article needs to be unloaded, and the article is generally carried by manpower at present, but because the platform is mainly used for placing the article, no standing position of a worker exists on the platform, so that the worker only carries the article from the platform by hands, and the carrying difficulty is high.
In order to achieve the above object, the basic scheme of the utility model is as follows: a lifting mechanism comprises a platform, a lifting part and a middle plate fixed on the lifting part, wherein supporting seats are arranged at two ends of the middle plate, threaded rods are rotatably connected to the supporting seats, and central rods are in threaded connection with the threaded rods; the linkage part drives the central rod to move along the axis direction of the threaded rod along with the rotation of the threaded rod, and the linkage part drives the platform to incline along with the movement of the central rod along the axis direction of the threaded rod.
The advantages of the basic scheme are:
1. according to the scheme, the lifting part drives the platform to vertically move to a required position, and the linkage part drives the central rod to move along the axial direction of the threaded rod, so that the platform is driven to incline; moreover, the thread structure has self-locking property, so that the platform can be positioned, and the platform can be kept inclined; compare in prior art, need not like prior art in the bare-handed transport of staff from the horizontally platform that article get off, this scheme article move down under the platform guide effect of slope, and then promote to unload, have effectively reduced the transport degree of difficulty, have also improved handling efficiency.
2. The inclined state of platform can be guaranteed through helicitic texture to this scheme, and then also the staff of being convenient for is at the platform operation of slope, and the practicality is strong.
Further, the linkage part comprises a bottom plate fixedly connected to two sides of the platform and a top plate fixedly connected to two sides of the middle plate, a first transverse groove is formed in the bottom plate, and a second transverse groove is formed in the top plate; the device also comprises a first movable arm and a second movable arm, wherein one end of the first movable arm is hinged with the top plate, and the other end of the first movable arm slides in the first transverse groove; one end of the second movable arm is hinged with the bottom plate, and the other end of the second movable arm slides in the second transverse groove; the first movable arm is provided with a first guide groove, the second movable arm is provided with a second guide groove, the central rod penetrates through the first guide groove and the second guide groove, and the central rod is slidably connected with the first guide groove and the second guide groove.
Through the arrangement, when unloading is needed to the left, the platform needs to incline to the left; the threaded rod is rotated, and the central rod moves leftwards along the axis direction of the threaded rod due to the fact that the central rod is limited by the first guide groove and the second guide groove, and two ends of the central rod slide in the first guide groove and the second guide groove; during the leftward movement of the central rod along the axis direction of the threaded rod, the central rod moves downwards in the first guide groove, and the central rod extrudes the first movable arm to enable the first movable arm to rotate anticlockwise by taking the lower end of the first movable arm as a circle center, so that the upper end of the first movable arm moves upwards, and meanwhile, one end, far away from the top plate, of the first movable arm moves leftwards in a first transverse groove path; in addition, the central rod can also move upwards in the second guide groove, and the central rod extrudes the second movable arm to rotate anticlockwise so as to enable the upper end of the second movable arm to move downwards, so that the platform is inclined leftwards by the downward movement of the upper end of the second movable arm and the upward movement of the upper end of the first movable arm; and, the helicitic texture has the auto-lock nature, consequently, accomplishes the slope of platform and adjusts the back, can fix a position the platform.
Furthermore, a first transverse rod is connected in the first transverse groove in a sliding manner, and one end, far away from the top plate, of the first movable arm is rotatably connected with the first transverse rod; the second transverse groove is connected with a second transverse rod in a sliding mode, and one end, far away from the bottom plate, of the second movable arm is connected with the second transverse rod in a rotating mode.
Through the arrangement, when unloading is needed to the left, the platform needs to incline to the left; the central rod is limited by the first guide groove and the second guide groove, so that the central rod moves leftwards along the axis direction of the threaded rod, the central rod moves downwards in the first guide groove, the central rod extrudes the first movable arm to enable the first movable arm to rotate anticlockwise by taking the lower end of the first movable arm as a circle center, the upper end of the first movable arm moves upwards, meanwhile, the first movable arm and the first transverse rod rotate relatively, and the first movable arm further drives the first transverse rod to move leftwards along the first transverse groove path; and on the contrary, the second movable arm drives the second transverse rod to move rightwards along the second transverse groove path.
Furthermore, the two sides of the central rod are both provided with limiting blocks, the limiting blocks are positioned between the first movable arm and the second movable arm, and the width of the limiting blocks is greater than the width of the first guide groove and the width of the second guide groove.
Through the arrangement, the limiting block can play a limiting role on the central rod, and the central rod is prevented from sliding out of the first guide groove and the second guide groove.
Further, the lifting part comprises a base, a supporting plate fixedly connected with the middle plate and a power unit used for driving the supporting plate to move vertically.
Through the arrangement, the power unit drives the supporting plate and the middle plate to vertically move, and then the platform is driven to vertically move.
Furthermore, the power unit is a hydraulic cylinder which is fixedly connected to the base, and an output shaft of the hydraulic cylinder is fixedly connected with the support plate.
Through the setting, start the pneumatic cylinder, the output shaft of pneumatic cylinder drives backup pad rebound, and then drives platform rebound, after the completion is to the regulation of platform height, closes the pneumatic cylinder.
Furthermore, the hydraulic cylinder is arranged in the middle of the base, and an output shaft of the hydraulic cylinder is fixedly connected with the middle of the supporting plate.
Through the arrangement, the stress of the supporting plate is more uniform, and the inclination of the supporting plate is avoided.
Further, a stabilizing unit that improves the stability of the vertical movement of the support plate during the vertical movement of the support plate is also included.
Through the arrangement, the stability of the supporting plate during the vertical movement can be improved through the stabilizing unit, and the stability of the platform in the vertical movement is further improved.
Further, the stabilizing unit comprises a first auxiliary plate fixedly connected to two sides of the supporting plate and a second auxiliary plate fixedly connected to two sides of the base, the first auxiliary plate is provided with a third transverse groove, and the second auxiliary plate is provided with a fourth transverse groove; the middle part of the first stabilizing arm is hinged with the middle part of the second stabilizing arm; one end of the first stabilizing arm is hinged with the second auxiliary plate, and the other end of the first stabilizing arm slides in the third transverse groove; one end of the second stabilizing arm is hinged with the first auxiliary plate, and the other end of the second stabilizing arm slides in the fourth transverse groove.
With the arrangement, during the upward movement of the support plate, the first stabilizing arm and the second stabilizing arm both rotate, one end of the first stabilizing arm far away from the second auxiliary plate moves transversely in the third transverse groove, and one end of the second stabilizing arm far away from the first auxiliary plate moves transversely in the fourth transverse groove; therefore, during the upward movement of the support plate, the stability of the vertical movement of the support plate can be improved by the cooperative movement of the first stabilizing arm, the second stabilizing arm, the third transverse groove and the fourth transverse groove.
Furthermore, a third transverse rod is connected in the third transverse groove in a sliding manner, and one end, far away from the second auxiliary plate, of the first stabilizing arm is rotatably connected with the third transverse rod; and a fourth transverse rod is connected in the fourth transverse groove in a sliding manner, and one end, far away from the first auxiliary plate, of the second stabilizing arm is rotatably connected with the fourth transverse rod.
Through the arrangement, during the upward movement of the support plate, the first stabilizing arm and the second stabilizing arm both rotate, and simultaneously the first stabilizing arm and the third transverse rod rotate relatively, the first stabilizing arm drives the third transverse rod to move transversely along the path of the third transverse groove, the second stabilizing arm and the fourth transverse rod rotate relatively, and the second stabilizing arm drives the fourth transverse rod to move transversely along the path of the fourth transverse groove; therefore, during the upward movement of the support plate, the stability of the vertical movement of the support plate can be improved by the cooperative movement of the first stabilizing arm, the third transverse bar, the second stabilizing arm, the fourth transverse bar, the third transverse groove and the fourth transverse groove.
Drawings
Fig. 1 is a front view of an embodiment of a lifting mechanism of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a platform 1, a middle plate 2, a supporting seat 3, a threaded rod 4, a central rod 5, a bottom plate 6, a top plate 7, a first movable arm 8, a second movable arm 9, a first guide groove 10, a second guide groove 11, a first transverse rod 12, a second transverse rod 13, a base 14, a supporting plate 15, a hydraulic cylinder 16, a first auxiliary plate 17, a second auxiliary plate 18, a first stabilizing arm 19, a second stabilizing arm 20, a third transverse rod 21 and a fourth transverse rod 22.
Examples
Substantially as shown in figure 1: a lifting mechanism comprises a platform, a lifting part and a middle plate 2 fixed on the lifting part, wherein two ends of the middle plate 2 are fixedly connected with supporting seats 3, a threaded rod 4 is rotatably connected to each supporting seat 3, and a central rod 5 is in threaded connection with each threaded rod 4; the platform is characterized by further comprising a linkage part which drives the central rod 5 to move along the axis direction of the threaded rod 4 along with the rotation of the threaded rod 4, and the linkage part drives the platform 1 to incline along with the movement of the central rod 5 along the axis direction of the threaded rod 4.
The linkage part comprises a bottom plate 6 fixedly connected to two sides of the platform 1 and a top plate 7 fixedly connected to two sides of the middle plate 2, a first transverse groove is formed in the bottom plate 6, and a second transverse groove is formed in the top plate 7; still include first movable arm 8 and second movable arm 9, the one end of first movable arm 8 is articulated with roof 7, and the other end of first movable arm 8 slides in first transverse groove, specifically is: a first transverse rod 12 is connected in the first transverse groove in a sliding mode, the first transverse rod 12 abuts against the right end of the first transverse groove, and one end, far away from the top plate 7, of the first movable arm 8 is rotatably connected with the first transverse rod 12. One end of the second movable arm 9 is hinged with the bottom plate 6, and the other end of the second movable arm 9 slides in the second transverse groove, specifically: a second transverse rod 13 is connected in the second transverse groove in a sliding mode, the second transverse rod 13 abuts against the right end of the second transverse groove, and one end, far away from the bottom plate 6, of the second movable arm 9 is rotatably connected with the second transverse rod 13. First movable arm 8 is last to open there is first guide way 10, and second movable arm 9 is last to open there is second guide way 11, and well core rod 5 passes first guide way 10 and second guide way 11, and well core rod 5 and first guide way 10, second guide way 11 sliding connection.
Limiting blocks are fixedly connected to two sides of the central rod 5 and located between the first movable arm 8 and the second movable arm 9, and the width of each limiting block is larger than the width of the first guide groove 10 and the width of the second guide groove 11; can play limiting displacement to the stopper through first digging arm 8 and second digging arm 9, and then utilize the stopper to play spacing effect to well core rod 5, avoid well core rod 5 roll-off from first guide way 10 and second guide way 11.
The lift portion includes base 14 and the backup pad 15 with 2 rigid couplings of intermediate lamella, still including the power pack who is used for driving 15 vertical movements of backup pad, and in this embodiment, power pack chooses pneumatic cylinder 16 for use, and pneumatic cylinder 16 fixes in the middle part of base 14, and the output shaft of pneumatic cylinder 16 and the middle part rigid coupling of backup pad 15.
The device also comprises a stabilizing unit for improving the vertical movement stability of the supporting plate 15 during the vertical movement of the supporting plate 15, wherein the stabilizing unit comprises a first auxiliary plate 17 fixedly connected to two sides of the supporting plate 15 and a second auxiliary plate 18 fixedly connected to two sides of the base 14, the first auxiliary plate 17 is provided with a third transverse groove, and the second auxiliary plate 18 is provided with a fourth transverse groove; a first stabilizing arm 19 and a second stabilizing arm 20 are further included, and the middle part of the first stabilizing arm 19 is hinged with the middle part of the second stabilizing arm 20; one end of the first stabilizing arm 19 is hinged with the second auxiliary plate 18, and the other end of the first stabilizing arm 19 slides in the third transverse groove, specifically: a third transverse rod 21 is connected in the third transverse groove in a sliding manner, the third transverse rod 21 abuts against the right end of the third transverse groove, and one end, far away from the second auxiliary plate 18, of the first stabilizing arm 19 is rotatably connected with the third transverse rod 21; one end of the second stabilizing arm 20 is hinged with the first auxiliary plate 17, and the other end of the second stabilizing arm 20 slides in the fourth transverse groove, specifically: a fourth transverse rod 22 is slidably connected in the fourth transverse groove, the fourth transverse rod 22 abuts against the right end of the fourth transverse groove, and one end of the second stabilizing arm 20 away from the first auxiliary plate 17 is rotatably connected with the fourth transverse rod 22.
The specific implementation process is as follows:
during the use, start hydraulic cylinder 16, the output shaft of hydraulic cylinder 16 drives backup pad 15 rebound, and then drives platform 1 rebound, after accomplishing the regulation to platform 1 height, closes hydraulic cylinder 16.
During the upward movement of the support plate 15, the first stabilizing arm 19 and the second stabilizing arm 20 both rotate, and at the same time, the first stabilizing arm 19 and the third transverse rod 21 rotate relatively, the first stabilizing arm 19 drives the third transverse rod 21 to move transversely along the path of the third transverse groove, the second stabilizing arm 20 and the fourth transverse rod 22 rotate relatively, and the second stabilizing arm 20 drives the fourth transverse rod 22 to move transversely along the path of the fourth transverse groove; therefore, during the upward movement of the support plate 15, the stability of the vertical movement of the support plate 15 can be improved by the cooperative movement of the first stabilizer arm 19, the third transverse bar 21, the second stabilizer arm 20, the fourth transverse bar 22, the third transverse groove and the fourth transverse groove.
After the height of the platform 1 is adjusted, the inclination direction of the platform 1 is adjusted according to the unloading direction requirement, and the principles of leftward inclination and rightward inclination of the platform 1 are the same; when unloading is needed to the left, the platform 1 needs to incline to the left; rotating the threaded rod 4, wherein the central rod 5 is limited by the first guide groove 10 and the second guide groove 11, so that the central rod 5 moves leftwards along the axial direction of the threaded rod 4, and two ends of the central rod 5 slide in the first guide groove 10 and the second guide groove 11; during the leftward movement of the central rod 5 along the axial direction of the threaded rod 4, the central rod 5 moves downward in the first guide groove 10, and the central rod 5 extrudes the first movable arm 8 to enable the first movable arm 8 to rotate counterclockwise around the lower end of the first movable arm 8, so that the upper end of the first movable arm 8 moves upward, meanwhile, the first movable arm 8 and the first transverse rod 12 rotate relatively, and the first movable arm 8 further drives the first transverse rod 12 to move leftward along the first transverse groove path; in addition, the central rod 5 also moves upwards in the second guide groove 11, and the central rod 5 extrudes the second movable arm 9 to rotate anticlockwise, so that the upper end of the second movable arm 9 moves downwards, and therefore, the platform 1 tilts left by downward movement of the upper end of the second movable arm 9 and upward movement of the upper end of the first movable arm 8; moreover, the thread structure has self-locking performance, so that the platform 1 can be positioned after the platform 1 is inclined and adjusted.
After the inclination angle adjustment of the platform 1 is completed, the article moves downwards under the guiding action of the inclined platform 1, so that the unloading is promoted, the article does not need to be carried from the horizontal platform 1 by bare hands of workers in the prior art, the carrying difficulty is effectively reduced, and the carrying efficiency is also improved.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the utility model has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a lifting mechanism, includes platform and lift portion, its characterized in that: the lifting device also comprises a middle plate fixed on the lifting part, wherein two ends of the middle plate are respectively provided with a supporting seat, the supporting seats are rotatably connected with a threaded rod, and the threaded rod is in threaded connection with a center rod; the linkage part drives the central rod to move along the axis direction of the threaded rod along with the rotation of the threaded rod, and the linkage part drives the platform to incline along with the movement of the central rod along the axis direction of the threaded rod.
2. The lift mechanism of claim 1, wherein: the linkage part comprises a bottom plate fixedly connected to two sides of the platform and a top plate fixedly connected to two sides of the middle plate, a first transverse groove is formed in the bottom plate, and a second transverse groove is formed in the top plate; the device also comprises a first movable arm and a second movable arm, wherein one end of the first movable arm is hinged with the top plate, and the other end of the first movable arm slides in the first transverse groove; one end of the second movable arm is hinged with the bottom plate, and the other end of the second movable arm slides in the second transverse groove; the first movable arm is provided with a first guide groove, the second movable arm is provided with a second guide groove, the central rod penetrates through the first guide groove and the second guide groove, and the central rod is slidably connected with the first guide groove and the second guide groove.
3. The lift mechanism of claim 2, wherein: a first transverse rod is connected in the first transverse groove in a sliding manner, and one end, far away from the top plate, of the first movable arm is rotatably connected with the first transverse rod; the second transverse groove is connected with a second transverse rod in a sliding mode, and one end, far away from the bottom plate, of the second movable arm is connected with the second transverse rod in a rotating mode.
4. The lift mechanism of claim 3, wherein: the two sides of the central rod are both provided with limiting blocks, the limiting blocks are positioned between the first movable arm and the second movable arm, and the width of the limiting blocks is greater than the width of the first guide groove and the width of the second guide groove.
5. The lifting mechanism according to any one of claims 1 to 4, characterized in that: the lifting part comprises a base, a supporting plate fixedly connected with the middle plate and a power unit used for driving the supporting plate to move vertically.
6. The lift mechanism of claim 5, wherein: the power unit is a hydraulic cylinder which is fixedly connected on the base, and an output shaft of the hydraulic cylinder is fixedly connected with the supporting plate.
7. The lift mechanism of claim 6, wherein: the hydraulic cylinder is arranged in the middle of the base, and an output shaft of the hydraulic cylinder is fixedly connected with the middle of the supporting plate.
8. The lift mechanism of claim 7, wherein: and a stabilizing unit for improving the vertical movement stability of the support plate during the vertical movement of the support plate.
9. The lift mechanism of claim 8, wherein: the stabilizing unit comprises a first auxiliary plate fixedly connected to two sides of the supporting plate and a second auxiliary plate fixedly connected to two sides of the base, the first auxiliary plate is provided with a third transverse groove, and the second auxiliary plate is provided with a fourth transverse groove; the middle part of the first stabilizing arm is hinged with the middle part of the second stabilizing arm; one end of the first stabilizing arm is hinged with the second auxiliary plate, and the other end of the first stabilizing arm slides in the third transverse groove; one end of the second stabilizing arm is hinged with the first auxiliary plate, and the other end of the second stabilizing arm slides in the fourth transverse groove.
10. The lift mechanism of claim 9, wherein: a third transverse rod is connected in the third transverse groove in a sliding manner, and one end, far away from the second auxiliary plate, of the first stabilizing arm is rotatably connected with the third transverse rod; and a fourth transverse rod is connected in the fourth transverse groove in a sliding manner, and one end, far away from the first auxiliary plate, of the second stabilizing arm is rotatably connected with the fourth transverse rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055521.5U CN215798215U (en) | 2021-08-27 | 2021-08-27 | Lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055521.5U CN215798215U (en) | 2021-08-27 | 2021-08-27 | Lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215798215U true CN215798215U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122055521.5U Active CN215798215U (en) | 2021-08-27 | 2021-08-27 | Lifting mechanism |
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| Country | Link |
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| CN (1) | CN215798215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874792A (en) * | 2022-11-29 | 2023-03-31 | 中国十七冶集团有限公司 | Skirt type anti-sedimentation structure for municipal road underpass operation platform |
-
2021
- 2021-08-27 CN CN202122055521.5U patent/CN215798215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874792A (en) * | 2022-11-29 | 2023-03-31 | 中国十七冶集团有限公司 | Skirt type anti-sedimentation structure for municipal road underpass operation platform |
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