CN220223412U - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN220223412U CN220223412U CN202321435961.6U CN202321435961U CN220223412U CN 220223412 U CN220223412 U CN 220223412U CN 202321435961 U CN202321435961 U CN 202321435961U CN 220223412 U CN220223412 U CN 220223412U
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- lifting
- base
- lifting device
- support arm
- screw rod
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- 230000008093 supporting effect Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a lifting device (100), which is provided with a base (20) and a top seat (10) arranged in parallel with the base, wherein triangular fixed supporting parts (2) are arranged on two sides of the base (20), inverted triangular lifting supporting parts (1) are arranged on two sides of the top seat, the fixed supporting parts (2) comprise fixed supporting arms (201) perpendicular to the base (20), the lifting supporting parts (1) comprise lifting supporting arms (101) perpendicular to the top seat (10), and the lifting supporting arms (101) are in sliding connection with the fixed supporting arms (201). The lifting device (100) improves the stability and reliability of the supporting part by utilizing the stability of the triangle, and meanwhile, a more flexible operation space is obtained by adopting a high superposition mode.
Description
Technical Field
The utility model relates to the technical field of mechanical conveying, in particular to a lifting device.
Background
As is well known, when lifting an article, a conventional lifting device has limitations such as limited lifting height and limited lifting weight, and as the weight of the lifted article increases, a general column type lifting device has the hidden trouble of overturning, so that a stable supporting effect cannot be provided. For example, in the field of heavy truck battery replacement, a lifting device is usually required to lift and transport and transfer batteries in order to realize battery replacement, but the existing lifting device has the problem that the lifting height cannot exceed that of a cross beam, so that in order to be compatible with various high-level battery replacement heavy trucks and battery replacement in the market, only the upright posts of the lifting device can be made higher, when the lifting device does not work, space is obviously wasted, and when the lifting device does not work, reference is made to the Chinese utility model No. CN218703171U published by 2023, 3 and 24 and the Chinese utility model No. CN216180672U published by 2022, 4 and 5, both the prior art disclosed in the two patents adopt upright post forms to support an upper frame or a cross beam, namely the heights of the upper frame or the cross beam are fixed, the travel range of the lifted battery replacement is limited, and the stability can be further improved.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a safer, more stable and more flexible lifting device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a elevating gear, its have the base and with base parallel arrangement's footstock, the both sides of base are equipped with triangle-shaped fixed support portion, the footstock both sides are equipped with triangle-shaped lifting support portion, fixed support portion includes the fixed support arm of perpendicular to base, and lifting support portion includes the lifting support arm of perpendicular to footstock, lifting support arm and fixed support arm sliding connection.
Further, jacking mechanisms are respectively arranged between the lifting supporting parts and the base, and the two jacking mechanisms synchronously drive the lifting supporting parts.
Further, the base is provided with a driving device, and the distance between the driving device and the fixed supporting part is equal.
Further, the driving device is a motor or a hydraulic cylinder or a pneumatic cylinder.
Further, the jacking mechanism and the lifting support arm are offset and staggered.
Further, the jacking mechanism comprises a screw rod which is rotationally connected with the base and vertically arranged, and a screw rod sleeve which is fixedly connected with the lifting supporting part, and the screw rod is in threaded connection with the screw rod sleeve.
Further, the jacking mechanism further comprises a transmission shaft which is horizontally arranged, and the transmission shaft and the screw rod are in meshed transmission through a turning gear.
Further, a protective cover is arranged on the transmission shaft.
Further, a guide rail is arranged on the fixed supporting arm, and a roller wheel rolling along the guide rail is arranged on the lifting supporting arm.
Further, the fixed support part and/or the lifting support part comprise at least two triangular support structures.
The beneficial effects of the utility model are as follows:
the lifting device consistent with the utility model improves the stability and reliability of the supporting part by utilizing the stability of the triangle, and the lifting height is not limited by the height of the supporting part any more, thereby having more flexible operation space.
Drawings
Fig. 1 is a schematic perspective view of a lifting device according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of a portion of the area A shown in FIG. 1;
fig. 3 is a side view of the lifting device of fig. 1.
In the figure:
100. a lifting device; 10. a top base; 1. a lifting support part; 101. lifting the support arm; 105. a guide roller; 11. a top long side; 12. a top short side; 16. an upper first support arm; 16a, an upper second support arm; 20. a base; 2. a fixed support part; 201. fixing the support arm; 205. a guide rail; 208. moving the roller; 209. a control module; 21. a driving device; 22. a bottom long side; 23. a short side at the bottom; 26. a lower first support arm; 26a, a lower second support arm; 5. a jacking mechanism; 51. a screw rod; 52. a screw rod sleeve; 53. a transmission shaft; 54. a change gear box; 55. and a protective cover.
Description of the embodiments
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, an embodiment of the present utility model provides a lifting device 100 for lifting a weight or mounting a cantilever (not shown), and then lifting and carrying the weight by using the cantilever. The lifting device 100 has a base 20 and a top seat 10 parallel to the base, the base 20 and the top seat 10 are respectively in a square frame structure, so as to facilitate processing and manufacturing, in this embodiment, the top seat 10 includes two opposite top short sides 12 and top long sides 11 connected to two ends of the two top short sides 12, the top short sides 12 and the top long sides 11 are enclosed to form an outer frame of the top seat 10, and may be used as an installation part of a lifting platform or a cantilever, and in order to obtain a stronger support, a cross beam (not numbered) may be preferably added between the two top short sides 12 and the top long sides 11. Similarly, the base 20 includes a bottom long side 22 and a bottom short side 23, and a cross member (not shown) is provided between the bottom long side 22 and the bottom short side 23. Preferably, the base 20 is further provided with a moving roller 208, and the moving roller 208 may be a universal wheel or a roller matching track with a fixed direction, so that the base 20 moves along a predetermined path.
The base 20 is provided with triangular fixed support parts 2 on the bottom long sides 22 of two opposite sides, the fixed support parts 2 comprise two lower first support arms 26 fixedly connected with two ends of the bottom long sides 22, and the two lower first support arms 26 and the bottom long sides 22 form a triangle. The top base 10 is provided with inverted triangle lifting support parts 1 downwards on top long sides 11 at two opposite sides, wherein the upgrade support parts 1 comprise top long sides 11 and two upper first support arms 16 fixedly connected to two ends of the top long sides 11. The two upper first support arms 16 enclose an inverted triangle with the top long side 11. The fixed support parts 2 are matched with the lifting support parts 1 in pairs, and form two parallel triangular shapes with overlapped projection parts in the vertical direction, and the triangular shapes are preferably isosceles triangles. Furthermore, in order to obtain a more stable supporting effect, the load bearing capacity of the lifting device is increased, the fixed supporting part 2 and/or the lifting supporting part 1 comprise at least two triangular supporting structures, for example, two lower second supporting arms 26a are further arranged in the fixed supporting part 2, and a smaller isosceles triangle is formed in the original isosceles triangle; for example, the upper second support arm 16a is further disposed in the lifting support portion 1, so that a slightly smaller isosceles triangle is formed in the original isosceles triangle of the lifting support portion 1, and thus a more firm supporting effect can be obtained.
The fixed supporting portion 2 further comprises a fixed supporting arm 201 perpendicular to the base 20, the lifting supporting portion 1 further comprises a lifting supporting arm 101 perpendicular to the top base 10, and the lifting supporting arm 101 is slidably connected with the fixed supporting arm 201, that is, the lifting supporting arm 101 can drive the whole lifting supporting portion 1 and the top base 10 to do lifting motion in the vertical direction relative to the fixed supporting portion 2. Preferably, a guide rail 205 is provided on the fixed support arm 201, and a guide roller 105 rolling along the guide rail 205 is provided on the lifting support arm 101. The guide rail 205 and the guide roller 105 can function to restrict the lifting support arm 101 to move only in the vertical direction and reduce friction in the vertical direction. It should be understood that, when the lifting support arm 101 is updated, if a weight is placed on the top base 10, the weight can be lifted synchronously, and if a telescopic arm is installed on the top base 10, the telescopic arm can be lifted synchronously.
The lifting mechanisms 5 are respectively arranged between the two lifting support parts 1 and the base 20, the two lifting mechanisms 5 are preferably driven by the same driving device 21, so that the lifting or descending of the lifting support parts 1 can be easily and synchronously driven, and the driving device 21 can adopt a motor to combine with a transmission shaft 53, a gearbox, a change gear and other combination transmission power, or adopts a hydraulic cylinder or a pneumatic cylinder and other normal power devices to directly drive the lifting support parts 1 to lift. In this embodiment, preferably, a motor is used as the driving device 21, and in order to make the stress on the two lifting support parts 1 uniform, the driving device 21 is disposed at a position equidistant from the two lifting support parts 1, and the driving device 21 is fixed to the base 20 by means of bolts or welding. Further, the base 20 is further provided with a control module 209, and the control module 209 is electrically coupled to the driving device 21 to control the lifting operation of the lifting device 100.
The jacking mechanism 5 comprises a screw rod 51 which is rotationally connected with the base 20 and vertically arranged, and a screw rod sleeve 52 which is fixedly connected with the lifting support part 1, wherein the screw rod 51 is in threaded connection with the screw rod sleeve 52, the screw rod sleeve 52 is fixedly connected with the upper first support arm 16 into a whole, and further, the screw rod sleeve 52 is also simultaneously fixed on the upper second support arm 16 a. In order to realize the rotational connection between the screw rod 51 and the base 20, the jacking mechanism 5 further includes a transmission shaft 53 disposed horizontally between the driving device 21 and the screw rod 51, and a direction-changing gear box 54 disposed on the transmission shaft 53, where a direction-changing gear (not shown) is disposed in the direction-changing gear box 54, for example, two bevel gears are engaged with each other to realize the direction-changing, that is, the transmission shaft 53 and the screw rod 51 are engaged with each other through the direction-changing gear, and the direction-changing gear changes the power rotating around the horizontal shaft to the power rotating around the vertical direction. The change gear box 54 is used for protecting the change gear for dust prevention, and similarly, a protecting cover 55 is also arranged outside the transmission shaft 53, and it should be noted that, in fig. 1, the transmission shaft 53 is a schematic view of the protecting cover 55 after being partially cut, and the protecting cover 55 does not actually expose the transmission shaft 53.
In this embodiment, the jacking mechanism 5 and the lifting support arm 101 are offset and offset, that is, the screw rod 51 and the screw rod sleeve 52 are arranged in parallel at a position deviating from the lifting support arm 101 and the fixed support arm 201, and in other embodiments, the screw rod 51 of the jacking mechanism 5 may be arranged inside the fixed support arm 101, which may be achieved only by adopting the fixed support arm 101 with a hollow structure. In this application, the purpose of biasing the lifting mechanism 5 and the lifting support arm 101 is that when the lifting device 100 is used as a support part of the lifting device to further attach the cantilever to lift the heavy object, one side of the deviation of the lifting mechanism 5 can obtain a lifting range with a longer distance, for example, one end of the cantilever is fixed in the middle of the top seat 10, and the screw rod 51 and the screw rod sleeve 52 are arranged on one side of the deviation from the middle of the top seat 10, which is equivalent to moving the fulcrum of the lever to one end of the heavy object to obtain a larger torque, or the front end of the cantilever obtains a lifting capability of a larger heavy object.
The lifting device 100 according to the present utility model improves the reliability of the supporting portion by using the stability of the triangle, and simultaneously, the lifting height is obtained by overlapping the fixed supporting arm 201 and the lifting supporting arm 101, so that the lifted height of the heavy object is not limited by the height of the conventional supporting portion, and the lifting device has more flexible operation space and loading capacity.
The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a lifting device (100), its has base (20) and footstock (10) with base parallel arrangement, its characterized in that, the both sides of base (20) are equipped with triangle-shaped fixed support portion (2), the footstock both sides are equipped with triangle-shaped and go up and down supporting portion (1), fixed support portion (2) are including fixed support arm (201) of perpendicular to base (20), and lift supporting portion (1) include lift support arm (101) of perpendicular to footstock (10), lift support arm (101) and fixed support arm (201) sliding connection.
2. The lifting device (100) according to claim 1, characterized in that: lifting mechanisms (5) are respectively arranged between the lifting support part (1) and the base (20), and the lifting support part (1) is synchronously driven by the two lifting mechanisms (5).
3. The lifting device (100) according to claim 2, characterized in that: the base (20) is provided with a driving device (21), and the distance between the driving device (21) and the fixed supporting part (2) is equal.
4. A lifting device (100) according to claim 3, characterized in that: the driving device (21) is a motor or a hydraulic cylinder or a pneumatic cylinder.
5. The lifting device (100) according to claim 2, characterized in that: the jacking mechanism (5) and the lifting support arm (101) are arranged in a biased and staggered mode.
6. The lifting device (100) according to claim 2, characterized in that: the jacking mechanism (5) comprises a screw rod (51) which is rotationally connected with the base (20) and vertically arranged, and a screw rod sleeve (52) which is fixedly connected with the lifting support part (1), and the screw rod (51) is in threaded connection with the screw rod sleeve (52).
7. The lifting device (100) according to claim 6, wherein: the jacking mechanism (5) further comprises a transmission shaft (53) which is horizontally arranged, and the transmission shaft (53) and the screw rod (51) are in meshed transmission through a turning gear.
8. The lifting device (100) according to claim 7, characterized in that: a protective cover (55) is arranged on the transmission shaft (53).
9. The lifting device (100) according to claim 1, characterized in that: the fixed support arm (201) is provided with a guide rail (205), and the lifting support arm (101) is provided with a roller (105) rolling along the guide rail (205).
10. The lifting device (100) according to any one of claims 1 to 9, wherein: the fixed support part (2) and/or the lifting support part (1) comprise at least two triangular support structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435961.6U CN220223412U (en) | 2023-06-07 | 2023-06-07 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435961.6U CN220223412U (en) | 2023-06-07 | 2023-06-07 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220223412U true CN220223412U (en) | 2023-12-22 |
Family
ID=89171726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321435961.6U Active CN220223412U (en) | 2023-06-07 | 2023-06-07 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220223412U (en) |
-
2023
- 2023-06-07 CN CN202321435961.6U patent/CN220223412U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |