CN219636818U - Lifting device - Google Patents

Abstract

The utility model discloses a lifting device, comprising: a fixing seat; the first driving mechanism is connected with the fixed seat; the connecting seat is arranged above the fixed seat at intervals, and the first driving mechanism is suitable for being connected with the connecting seat to drive the connecting seat to move along a first direction; the second driving mechanism is connected with the connecting seat, and is suitable for being connected with the supporting seat to drive the supporting seat to move along a second direction, and the first direction is perpendicular to the second direction. The lifting device disclosed by the utility model is simple in structure, convenient to operate and good in stability and reliability.

Description

Lifting device

Technical Field

The utility model relates to the technical field of integrated large die casting, in particular to a lifting device.

Background

In the related art, the lifting device can be used for transporting people or articles to a certain height position, has a wider working platform and higher bearing capacity, ensures that the working range at high altitude is wider, can be suitable for simultaneous operation of multiple people, and ensures that the working efficiency at high altitude is higher.

However, in the prior art, the lifting device has a complex structure, is not easy to operate, and has poor stability and reliability.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a lifting device, which has a simple structure, convenient operation, and better stability and reliability.

According to the utility model, the lifting device comprises:

a fixing seat;

the first driving mechanism is connected with the fixed seat;

the connecting seat is arranged above the fixed seat at intervals, and the first driving mechanism is suitable for being connected with the connecting seat to drive the connecting seat to move along a first direction;

the second driving mechanism is connected with the connecting seat, and is suitable for being connected with the supporting seat to drive the supporting seat to move along a second direction, and the first direction is perpendicular to the second direction.

According to the lifting device provided by the utility model, the stability and the reliability of the whole lifting device can be improved by arranging the fixing seat; through the cooperation of first actuating mechanism and second actuating mechanism with supporting seat and fixing base swing joint, can make elevating gear (supporting seat) freely extend to certain high position in vertical direction like this, can extend to the position that the spare part of large-scale equipment is located in the horizontal direction to the user can repair or maintain the work to large-scale equipment, thereby can effectively practice thrift the time of maintenance or maintenance, promote maintenance or maintenance work efficiency by a wide margin. In addition, the lifting device provided by the utility model has the advantages of simple structure, convenience in operation and better stability and reliability.

In some examples of the utility model, the lifting device further comprises:

the telescopic assembly is movably arranged above the fixed seat through the telescopic assembly, and the telescopic assembly is suitable for limiting and guiding the connecting seat.

In some examples of the utility model, the telescoping assembly comprises:

one end of the first telescopic rod is fixedly connected with the fixed seat;

one end of the second telescopic rod is fixedly connected with the connecting seat;

the other end of the first telescopic rod is movably sleeved on the inner side or the outer side of the other end of the second telescopic rod.

In some examples of the utility model, the first drive mechanism includes:

the first fixing part is fixedly connected with the fixing seat;

the first moving part is fixedly connected with the connecting seat and is suitable for driving the connecting seat to move along the first direction so as to enable the connecting seat to be close to or far away from the fixing seat.

In some examples of the utility model, the second drive mechanism includes:

the second fixing part is fixedly connected with the connecting seat;

the second motion part is fixedly connected with the supporting seat and is suitable for driving the supporting seat to move along the second direction so as to enable the supporting seat to be close to or far away from the connecting seat.

In some examples of the present utility model, the connecting seat has a receiving cavity, an axial direction of the receiving cavity is parallel to the second direction, the second fixing portion is fixedly connected in the receiving cavity, and the second moving portion and the supporting seat are movably disposed in the receiving cavity.

In some examples of the utility model, the lifting device further comprises:

the shielding piece is suitable for being movably connected with the supporting seat, and the shielding piece and the supporting seat jointly enclose a working area.

In some examples of the utility model, the lifting device further comprises:

the weight piece is suitable for being connected with the fixing base, and the weight piece is located the fixing base is far away from the one end of supporting seat.

In some examples of the utility model, the second drive mechanism is configured as a cylinder, a hydraulic cylinder, or a drive motor.

In some examples of the utility model, the second drive mechanism is configured as a cylinder, a hydraulic cylinder, or a drive motor.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a combination of a lifting device and a large-sized apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic view of a first structure of a lifting device according to an embodiment of the present utility model;

fig. 3 is a schematic view illustrating another state of the first structure of the lifting device according to the embodiment of the present utility model;

fig. 4 is a schematic view of a second structure of a lifting device according to an embodiment of the present utility model;

fig. 5 is a schematic view illustrating another state of a second structure of the lifting device according to the embodiment of the present utility model;

fig. 6 is a schematic view of a third structure of a lifting device according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a fourth structure of a lifting device according to an embodiment of the present utility model.

Reference numerals illustrate:

10-lifting device;

20-large-scale equipment;

110-fixing seat; 111-fixing feet;

120-a first drive mechanism; 121-a first fixing portion; 122-a first motion part;

130-connecting seats; 131-a receiving chamber;

140-a second drive mechanism; 141-a second fixing portion; 142-a second motion part;

150-supporting seats;

160-telescoping assembly; 161-first telescopic rod; 162-a second telescoping rod;

170-a shutter;

180-weight piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between 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.

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 only and are not to be construed as limiting the utility model.

Fig. 1 is a schematic diagram of a combination of a lifting device 10 and a large-sized apparatus 20 according to an embodiment of the present utility model, fig. 2 is a schematic diagram of a first structure of the lifting device 10 according to an embodiment of the present utility model, fig. 3 is a schematic diagram of another state of the first structure of the lifting device 10 according to an embodiment of the present utility model, fig. 4 is a schematic diagram of a second structure of the lifting device 10 according to an embodiment of the present utility model, fig. 5 is a schematic diagram of another state of the second structure of the lifting device 10 according to an embodiment of the present utility model, fig. 6 is a schematic diagram of a third structure of the lifting device 10 according to an embodiment of the present utility model, and fig. 7 is a schematic diagram of a fourth structure of the lifting device 10 according to an embodiment of the present utility model. A lifting device 10 according to an embodiment of the present utility model is described below with reference to fig. 1 to 7, including: a fixing base 110; the first driving mechanism 120, the first driving mechanism 120 is connected with the fixed seat 110; the connecting seat 130 is arranged above the fixed seat 110 at intervals, and the first driving mechanism 120 is suitable for being connected with the connecting seat 130 to drive the connecting seat 130 to move along a first direction; the second driving mechanism 140 and the supporting seat 150, the second driving mechanism 140 is connected with the connecting seat 130, the second driving mechanism 140 is suitable for being connected with the supporting seat 150 to drive the supporting seat 150 to move along the second direction, and the first direction is perpendicular to the second direction.

Specifically, the lifting device 10 may be used to support a user to rise to a position where a preset height is located (i.e., a preset position), so that the user may repair or maintain some large-scale devices 20 (e.g., an integral die casting machine, etc.) at any time, thereby effectively improving the working efficiency of repair or maintenance, reducing the operation difficulty of repair or maintenance, and simultaneously ensuring the self safety of the user effectively.

Referring to fig. 2 to 7, the fixing base 110 may be configured as a part of a frame structure, the fixing base 110 may have a plurality of fixing legs 111, the plurality of fixing legs 111 may be fixed and spaced on a surface of the fixing base 110, which is close to the ground, and the plurality of fixing legs 111 may be fixedly connected with the fixing base 110 by welding, screwing or integrally forming. The plurality of fixing legs 111 may support the fixing base 110 on the ground. Meanwhile, each fixing leg 111 may be fixedly connected to the ground through an anchor bolt (not shown), so arranged that the fixing base 110 may be fixedly supported on the ground, so that the overall stability and reliability of the lifting device 10 may be greatly improved through the cooperation of the fixing base 110 and the fixing legs 111.

With continued reference to fig. 2-6, the number of the first driving mechanisms 120 may be plural, for example, two, three or more, and thus, embodiments of the present utility model are not limited in particular, and the following embodiments are illustrated by taking three as examples. The three first driving mechanisms 120 are fixedly arranged on the upper side surface of the fixing base 110, which is away from the ground, wherein one end of each first driving mechanism 120 can be fixedly connected with the fixing base 110 in a welding or threaded connection mode, and the other end of each first driving mechanism 120, which is away from the fixing base 110, can be fixedly connected with the lower side surface of the connecting base 130, which is close to the fixing base 110, in a welding or threaded connection mode. The connecting seat 130 can be movably arranged at the upper position of the fixed seat 110 through the first driving mechanism 120, and the first driving mechanism 120 can drive the connecting seat 130 to move along the first direction towards the direction close to or far from the fixed seat 110 when working. The first direction may be the direction indicated by Z in fig. 2, the first direction may be a vertical direction, and the first direction may also be the height direction of the fixing base 110.

With continued reference to fig. 2-7, the number of the second driving mechanisms 140 may be plural, for example, two, three or more, and thus, the embodiments of the present utility model are not limited in particular, and two are illustrated in the following embodiments. The two second driving mechanisms 140 may be disposed at an upper position of the fixing base 110 along a width direction of the fixing base 110 at intervals, the width direction of the fixing base 110 may be a direction indicated by Y in fig. 1, one end of each second driving mechanism 140 is fixedly connected with the connecting base 130 by welding or screwing, and the other end of each second driving mechanism 140 facing away from the connecting base 130 may be fixedly connected with the supporting base 150 by welding or screwing. The arrangement is such that the second driving mechanism 140 can drive the supporting seat 150 to move along the second direction toward the direction approaching or separating from the connecting seat 130 during operation, the second direction may be the direction indicated by X in fig. 2, the second direction may be the horizontal direction, and the second direction may also be the length direction of the fixing seat 110.

With continued reference to fig. 2-7, the upper surface of the support base 150 facing away from the mounting base 110 may be configured as a work area that may be used to support a user so that the user may repair or service higher positioned components in the large-scale apparatus 20. The supporting seat 150 can move in the vertical direction relative to the fixed seat 110 through the first driving mechanism 120, meanwhile, the supporting seat 150 can also move in the horizontal direction relative to the fixed seat 110 through the second driving mechanism 140, so that the supporting relative to the fixed seat 110 has two degrees of freedom, the supporting seat 150 is arranged in such a way that the lifting device 10 (the supporting seat 150) can freely extend to a certain height position in the vertical direction and can extend to the position of the part of the large-scale equipment 20 in the horizontal direction, so that a user can repair or maintain the large-scale equipment 20, the time for repairing or maintaining the large-scale equipment 20 by the user can be effectively saved, and the repair or maintenance work efficiency is greatly improved. In addition, the lifting device 10 provided by the embodiment of the utility model has the advantages of simple structure, convenience in operation and better stability and reliability.

According to the lifting device 10 provided by the embodiment of the utility model, the fixing seat 110 is fixedly arranged on the ground, so that the stability and the reliability of the whole lifting device 10 can be improved; through the cooperation of the first driving mechanism 120 and the second driving mechanism 140 to movably connect the supporting seat 150 with the fixed seat 110, the lifting device 10 (the supporting seat 150) can freely extend to a certain height position in the vertical direction and can extend to the position of the part of the large-scale equipment 20 in the horizontal direction, so that a user can repair or maintain the large-scale equipment 20, the repair or maintenance time can be effectively saved, and the repair or maintenance work efficiency is greatly improved. In addition, the lifting device 10 provided by the embodiment of the utility model has the advantages of simple structure, convenience in operation and better stability and reliability.

With continued reference to fig. 2-6, according to one embodiment of the present utility model, the lifting device 10 further includes: the telescopic assembly 160, the connecting seat 130 is movably arranged above the fixed seat 110 through the telescopic assembly 160, and the telescopic assembly 160 is suitable for limiting and guiding the connecting seat 130.

Specifically, the number of the telescopic assemblies 160 may be plural, and the plurality of telescopic assemblies 160 may be disposed between the connection base 130 and the fixed base 110, and the axial direction of each telescopic assembly 160 is parallel to the first direction. The length of the telescoping assembly 160 can be freely adjusted. One end of the telescopic component 160 can be fixedly connected with the upper side surface of the fixed seat 110, which is far away from the ground, through welding or integrally formed connection, and the like, the other end of the telescopic component 160 can be connected with the lower side surface of the connecting seat 130, which is close to the fixed seat 110, through welding or integrally formed connection, and the like, so that the connecting seat 130 can be movably connected with the fixed seat 110 through the telescopic component 160, and when the first driving mechanism 120 drives the connecting seat 130 to move along the first direction, the telescopic component 160 can limit and guide the connecting seat 130, so that the movement efficiency and the accuracy of the connecting seat 130 can be improved.

With continued reference to fig. 2-4, in accordance with yet another embodiment of the present utility model, a telescoping assembly 160 includes: the first telescopic rod 161, one end of the first telescopic rod 161 is fixedly connected with the fixed seat 110; the second telescopic rod 162, one end of the second telescopic rod 162 is fixedly connected with the connecting seat 130; the other end of the first telescopic rod 161 is movably sleeved on the inner side or the outer side of the other end of the second telescopic rod 162.

Specifically, the first telescopic link 161 and the second telescopic link 162 may be respectively configured as members of a tubular structure. One end of the first telescopic rod 161 can be fixedly connected with the upper surface of the fixed seat 110, which is away from the ground, in a welding or integrally formed connection mode. One end of the second telescopic rod 162 may be connected to the lower surface of the connection seat 130 near the fixed seat 110 by welding or integrally forming. The other end of the first telescopic link 161 may be movably sleeved with the other end of the second telescopic link 162. For example, when the inner diameter of the first telescopic rod 161 is greater than the outer diameter of the second telescopic rod 162, the second telescopic rod 162 may be movably sleeved inside the first telescopic rod 161; when the external diameter of the first telescopic rod 161 is smaller than the internal diameter of the second telescopic rod 162, the first telescopic rod 161 can be movably sleeved on the inner side of the second telescopic rod 162, and the arrangement is performed to limit and guide the connecting seat 130 through the common cooperation of the first telescopic rod 161 and the second telescopic rod 162, so that the movement efficiency and the precision of the connecting seat 130 can be improved.

With continued reference to fig. 2-4, according to yet another embodiment of the present utility model, the first drive mechanism 120 includes: the first fixing part 121, the first fixing part 121 is fixedly connected with the fixing seat 110; the first moving portion 122, the first moving portion 122 is fixedly connected with the connecting seat 130, and the first moving portion 122 is adapted to drive the connecting seat 130 to move along a first direction, so that the connecting seat 130 is close to or far from the fixing seat 110.

Specifically, one end of the first fixing portion 121 may be fixedly connected to an upper surface of the fixing base 110, which faces away from the ground, by welding or screwing, and the other end of the first fixing portion 121 may be movably connected to one end of the first moving portion 122, and the other end of the first moving portion 122, which faces away from the first fixing portion 121, may be fixedly connected to a lower surface of the connecting base 130, which is close to the fixing base 110, by welding or screwing. The first moving part 122 may move relative to the first fixed part 121 along the first direction. So configured, the connection block 130 is driven to ascend or descend in the first direction by the first moving part 122 so that the connection block 130 can be moved to a preset position.

With continued reference to fig. 1, in accordance with an alternative embodiment of the present utility model, the second drive mechanism 140 includes: the second fixing part 141, the second fixing part 141 is fixedly connected with the connecting seat 130; the second moving portion 142, the second moving portion 142 is fixedly connected with the supporting seat 150, and the second moving portion 142 is adapted to drive the supporting seat 150 to move along the second direction, so that the supporting seat 150 approaches to or departs from the connecting seat 130.

Specifically, the second driving mechanism 140 may be fixedly disposed inside the connection seat 130, the second fixing portion 141 may be fixedly connected with the inner sidewall of the connection seat 130 by welding or screwing, the second fixing portion 141 is movably connected with one end of the second moving portion 142, and the other end of the second moving portion 142 facing away from the second fixing portion 141 may be fixedly connected with one end of the support seat 150 by welding or screwing. The second moving part 142 may move with respect to the second fixed part 141 along the second direction. So configured, the support base 150 is driven to freely expand and contract in the second direction by the second moving part 142, so that the support base 150 can be moved to a preset position.

Referring to fig. 2-5, according to a further embodiment of the present utility model, the connecting seat 130 has a receiving cavity 131, an axial direction of the receiving cavity 131 is parallel to the second direction, the second fixing portion 141 is fixedly connected to the receiving cavity 131, and the second moving portion 142 and the supporting seat 150 are movably disposed in the receiving cavity 131.

Specifically, the connection seat 130 may have a receiving chamber 131 and an opening (indicated in the drawing) communicating with the receiving chamber 131, the second fixing portion 141 may be inserted into the receiving chamber 131 through the opening, and the second fixing portion 141 may be fixedly connected with an inner sidewall and/or an inner bottom wall of the receiving chamber 131. The second moving part 142 and the supporting seat 150 can be movably inserted into the accommodating cavity 131 through the opening, so that the second driving mechanism 140 and the supporting seat 150 can be accommodated in the accommodating cavity 131, and the overall structure of the lifting device 10 can be simplified, so that the space occupied by the lifting device 10 can be greatly reduced.

With continued reference to fig. 6 and 7, in an alternative form of the utility model, the lifting device 10 further comprises: the shielding piece 170, the shielding piece 170 is suitable for being movably connected with the supporting seat 150, and the shielding piece 170 and the supporting seat 150 jointly enclose a working area.

Specifically, the shielding member 170 may be fixedly connected with the supporting seat 150 in a plugging manner, and when the supporting seat 150 is driven by the second driving mechanism 140 to move to a preset position in a direction away from the connecting seat 130, the shielding member 170 may be plugged into an end of the supporting seat 150 away from the second driving mechanism 140. For example, the shielding member 170 may be inserted at the end and opposite sides of the supporting seat 150, so that the shielding member 170 and the supporting seat 150 may jointly enclose a working area (i.e. the working area in the above embodiment), so that the shielding member 170 may protect a user from falling off the supporting seat 150 during working, thereby greatly improving the safety performance of the lifting device 10.

With continued reference to fig. 7, in some examples of the utility model, the lifting device 10 further includes: the weight 180, the weight 180 is adapted to be connected to the fixed base 110, and the weight 180 is located at an end of the fixed base 110 away from the supporting base 150.

Specifically, the weight 180 may be fixedly disposed at an end of the fixed seat 110 away from the supporting seat 150, and the weight 180 may be fixedly connected with the fixed seat 110 by welding, threaded connection or integrally formed connection. Meanwhile, the weight 180 may be fixedly connected to the horizontal ground by screw connection. So configured, after a user stands on the working area, the weight 180 can balance the weight of the user, so that the lifting device 10 is in a balanced state as a whole, and rollover accidents of the lifting device 10 are avoided, thereby further improving the stability and reliability of the lifting device 10 and remarkably improving the safety performance of the lifting device 10.

With continued reference to fig. 2-7, in some possible implementations of the utility model, the first drive mechanism 120 is configured as a pneumatic cylinder, hydraulic cylinder, or drive motor.

Specifically, the first driving mechanism 120 may be an air cylinder, the first driving mechanism 120 may be a hydraulic lever (oil cylinder), and the first driving mechanism 120 may be a driving motor, which is not limited in particular. As shown in fig. 2 and 3, the following embodiment is explained taking the first driving mechanism 120 as a hydraulic cylinder as an example. The hydraulic cylinder can input hydraulic oil at high pressure, and under the action of the hydraulic oil, the hydraulic cylinder can drive the connecting seat 130 to ascend or descend along the first direction. So configured, the load-bearing capacity of the lifting device 10 can be effectively improved by providing a hydraulic cylinder.

With continued reference to fig. 2-7, in some embodiments of the utility model, the second drive mechanism 140 is configured as a pneumatic cylinder, hydraulic cylinder, or drive motor.

The second driving mechanism 140 may be an air cylinder, the second driving mechanism 140 may be a hydraulic lever (oil cylinder), and the second driving mechanism 140 may be a driving motor, which is not limited in particular. For example, as shown in fig. 2 to 5, the second driving mechanism 140 may be configured as a hydraulic cylinder, as shown in fig. 6, and the second driving mechanism 140 may be configured as a driving motor, where it is noted that, when the second driving mechanism 140 is configured as a driving motor, the driving motor may drive the support 150 to move through a cooperation manner of a gear (not shown in the drawing) and a rack (not shown in the drawing), specifically, the rack may be fixedly connected to the support 150, the gear may be coaxially connected to a rotating shaft of the driving motor, and the rack and the gear may engage and drive, so that when the driving motor rotates, the support 150 may be driven to move through the transmission of the gear and the rack. By this arrangement, the manufacturing cost of the lifting device 10 can be effectively reduced.

Other configurations of the lifting device 10 according to the embodiment of the present utility model are as follows: gears, racks or hydraulic oils, etc. and operation are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A lifting device, comprising:

a fixing seat;

the first driving mechanism is connected with the fixed seat;

the connecting seat is arranged above the fixed seat at intervals, and the first driving mechanism is suitable for being connected with the connecting seat to drive the connecting seat to move along a first direction;

the second driving mechanism is connected with the connecting seat, and is suitable for being connected with the supporting seat to drive the supporting seat to move along a second direction, and the first direction is perpendicular to the second direction.

2. The lifting device of claim 1, further comprising:

the telescopic assembly is movably arranged above the fixed seat through the telescopic assembly, and the telescopic assembly is suitable for limiting and guiding the connecting seat.

3. The lifting device of claim 2, wherein the telescoping assembly comprises:

one end of the first telescopic rod is fixedly connected with the fixed seat;

one end of the second telescopic rod is fixedly connected with the connecting seat;

the other end of the first telescopic rod is movably sleeved on the inner side or the outer side of the other end of the second telescopic rod.

4. The lifting device of claim 1, wherein the first drive mechanism comprises:

the first fixing part is fixedly connected with the fixing seat;

the first moving part is fixedly connected with the connecting seat and is suitable for driving the connecting seat to move along the first direction so as to enable the connecting seat to be close to or far away from the fixing seat.

5. The lifting device of claim 4, wherein the second drive mechanism comprises:

the second fixing part is fixedly connected with the connecting seat;

the second motion part is fixedly connected with the supporting seat and is suitable for driving the supporting seat to move along the second direction so as to enable the supporting seat to be close to or far away from the connecting seat.

6. The lifting device according to claim 5, wherein the connecting seat is provided with a containing cavity, an axial direction of the containing cavity is parallel to the second direction, the second fixing portion is fixedly connected in the containing cavity, and the second moving portion and the supporting seat are movably arranged in the containing cavity.

7. The lifting device of claim 1, further comprising:

the shielding piece is suitable for being movably connected with the supporting seat, and the shielding piece and the supporting seat jointly enclose a working area.

8. The lifting device of claim 1, further comprising:

the weight piece is suitable for being connected with the fixing base, and the weight piece is located the fixing base is far away from the one end of supporting seat.

9. Lifting device according to any one of claims 1-8, characterized in that the first drive mechanism is configured as a cylinder, a hydraulic cylinder or a drive motor.

10. Lifting device according to any one of claims 1-8, characterized in that the second drive mechanism is configured as a cylinder, a hydraulic cylinder or a drive motor.