CN219865064U - Supporting device - Google Patents

Abstract

The present utility model provides a supporting device, comprising: a fixing seat; the fixed seat lifting assembly is arranged above the supporting base surface and is positioned below the fixed seat, and at least part of the fixed seat lifting assembly is arranged in a lifting manner relative to the supporting base surface and is used for adjusting the height of the fixed seat; the supporting seat is movably arranged above the fixed seat; the adjusting screw is in threaded connection with the fixing seat, the threaded end of the adjusting screw penetrates through the fixing seat from bottom to top and then reaches the lower side of the supporting seat so as to support the supporting seat, and the distance and the included angle between the supporting seat and the fixing seat are adjusted by rotating the adjusting screw, so that the problems that in the prior art, the labor intensity of workers required in assembling the hydraulic support shield beam and the base connecting rod is high and great potential safety hazards exist are solved.

Description

Supporting device

Technical Field

The utility model relates to the technical field of processing equipment, in particular to a supporting device.

Background

Along with the development of coal mine production, the automation level of fully mechanized mining and fully mechanized excavating working faces is gradually changed, the automation degree is higher and higher, wherein the hydraulic support is used as an important element of coal mine supporting equipment, and safety guarantee is provided for high yield and high efficiency of coal mines.

In recent years, as the number of hydraulic support maintenance increases, the hydraulic support maintenance period is more tensioned, and during the hydraulic support maintenance operation, the operation of assembling the hydraulic support shield beam and the base connecting rod has more direct influence on the subsequent maintenance progress, which is one of important links for determining the hydraulic support maintenance progress.

At present, when the hydraulic support shield beam and the base connecting rod are assembled, the connecting rod is usually lifted to a proper position by a crane, then the connecting rod is supported by a sleeper through manual assistance, and the shield beam and the base connecting rod can be assembled. Before each lifting, the sleeper needs to be manually moved to the vicinity of the connecting rod, and the sleeper is adjusted according to the height of the lifting connecting rod, so that the sleeper is heavy and is not easy to support in the process of carrying the sleeper, a plurality of persons are required to cooperate for operation, the workload is very large, and the sleeper is easy to lodge and break in the process of supporting the connecting rod, so that the sleeper is extremely easy to cause injury accidents. Meanwhile, in the process of assembling the hydraulic support shield beam and the base, a plurality of people are required to carry out cooperation operation, the operation time is long, the potential safety hazard is large, and the assembly progress of the hydraulic support is seriously influenced.

Disclosure of Invention

The utility model mainly aims to provide a supporting device to solve the problems that in the prior art, the labor intensity of manpower required in assembling a hydraulic support shield beam and a base connecting rod is high and the potential safety hazard exists.

In order to achieve the above object, the present utility model provides a supporting device comprising: a fixing seat; the fixed seat lifting assembly is arranged above the supporting base surface and is positioned below the fixed seat, and at least part of the fixed seat lifting assembly is arranged in a lifting manner relative to the supporting base surface and is used for adjusting the height of the fixed seat; the supporting seat is movably arranged above the fixed seat; the adjusting screw is in threaded connection with the fixing seat, and the threaded end of the adjusting screw penetrates through the fixing seat from bottom to top and then reaches the lower side of the supporting seat so as to support the supporting seat, and the distance and the included angle between the supporting seat and the fixing seat are adjusted by rotating the adjusting screw.

Further, the number of the fixing seats, the fixing seat lifting assemblies and the supporting seats is multiple, the fixing seats and the supporting seats are arranged in one-to-one correspondence with the fixing seat lifting assemblies, and the fixing seats are provided with a plurality of adjusting screws at intervals; wherein, a plurality of fixing base lifting assemblies are rectangular array arrangement, connect through adapting unit between a plurality of fixing base lifting assemblies to constitute the support frame.

Further, each supporting seat and the corresponding fixing seat are provided with a rotary supporting assembly, the rotary supporting assembly comprises an intermediate shaft, a first sleeve and a second sleeve, the first sleeve and the second sleeve are rotatably sleeved on the intermediate shaft, the first sleeve is connected with the corresponding fixing seat, the second sleeve is connected with the corresponding supporting seat, and the corresponding supporting seat is driven to rotate around the intermediate shaft through rotating corresponding adjusting screws.

Further, the plurality of adjusting screws includes: the first adjusting screw is positioned below the rotary supporting component and is rotatably connected with the bottom of the first sleeve of the rotary supporting component so as to drive the rotary supporting component to perform lifting movement by rotating the first adjusting screw; the second adjusting screw is used for being in contact with the supporting seat so as to drive the supporting seat to rotate around the middle shaft of the rotating supporting assembly through rotating the second adjusting screw.

Further, the plurality of fixing seat lifting assemblies comprise two first fixing seat lifting assemblies and two second fixing seat lifting assemblies, the two first fixing seat lifting assemblies and the two second fixing seat lifting assemblies are arranged at intervals along a first direction, the two first fixing seat lifting assemblies are arranged at intervals along a second direction, and the two second fixing seat lifting assemblies are arranged at intervals along the second direction; the plurality of fixing seats comprise two first fixing seats and two second fixing seats, the two first fixing seats are respectively positioned above the two first fixing seat lifting assemblies, and the two second fixing seats are respectively positioned above the two second fixing seat lifting assemblies; the plurality of supporting seats comprise two first supporting seats and two second supporting seats, the two first supporting seats are respectively arranged on the two first fixing seats, and the two second supporting seats are respectively arranged on the two second fixing seats.

Further, the maximum heights of the two first fixing seat lifting assemblies are the same, and the minimum heights of the two first fixing seat lifting assemblies are the same; the maximum heights of the two second fixing seat lifting assemblies are the same, and the minimum heights of the two second fixing seat lifting assemblies are the same; the maximum height of each first fixed seat lifting assembly is smaller than that of each second fixed seat lifting assembly, and the minimum height of each first fixed seat lifting assembly is smaller than that of each second fixed seat lifting assembly.

Further, one side of the supporting seat far away from the fixed seat is provided with an anti-slip pad.

Further, the fixing base lifting assembly comprises a first sleeve extending along the vertical direction and a first telescopic rod at least partially inserted into the first sleeve, and a plurality of first through holes for the first fixing pins to pass through are formed in the first sleeve and the first telescopic rod.

Further, the connecting part comprises a horizontal telescopic component arranged between the two first fixed seat lifting components and/or between the two second fixed seat lifting components, and at least part of the horizontal telescopic component is arranged in a telescopic manner along the horizontal direction so as to be used for adjusting the horizontal distance between the two corresponding fixed seat lifting components.

Further, the horizontal telescopic assembly comprises a second sleeve extending along the horizontal direction and a second telescopic rod at least partially inserted into the second sleeve, and a plurality of second through holes for the second fixing pins to pass through are formed in the second sleeve and the second telescopic rod.

Further, the number of horizontal telescopic components is a plurality of, and a plurality of horizontal telescopic components include: the two first horizontal telescopic components are arranged between the two first fixed seat lifting components at intervals along the vertical direction, and are connected through a first vertical reinforcing rod; the two second horizontal telescopic assemblies are arranged between the two second fixed seat lifting assemblies at intervals along the vertical direction, and are connected through a second vertical reinforcing rod; wherein, first vertical stiffener corresponds the setting with the vertical stiffener of second, connects through the horizontal stiffener between first vertical stiffener and the vertical stiffener of second.

Further, the supporting device further includes: the plurality of bases are arranged below the plurality of fixed seat lifting assemblies in a one-to-one correspondence manner, and each base is connected with the corresponding fixed seat lifting assembly; the plurality of casters and the plurality of caster lifting assemblies are arranged in one-to-one correspondence with the plurality of casters, each caster is arranged above the supporting base surface and connected with the connecting part through the corresponding caster lifting assembly, and the caster lifting assemblies are arranged in a telescopic manner along the vertical direction; wherein the caster or base is brought into contact with the support base surface by adjusting the caster lifting assembly.

Further, each caster lifting assembly comprises a third sleeve extending along the vertical direction and a third telescopic rod at least partially inserted into the third sleeve, and a plurality of third through holes for a third fixing pin to pass through are formed in the third sleeve and the third telescopic rod.

By applying the technical scheme of the utility model, the supporting device comprises: a fixing seat; the fixed seat lifting assembly is arranged above the supporting base surface and is positioned below the fixed seat, and at least part of the fixed seat lifting assembly is arranged in a lifting manner relative to the supporting base surface and is used for adjusting the height of the fixed seat; the supporting seat is movably arranged above the fixed seat; the adjusting screw is in threaded connection with the fixing seat, and the threaded end of the adjusting screw penetrates through the fixing seat from bottom to top and then reaches the lower side of the supporting seat so as to support the supporting seat, and the distance and the included angle between the supporting seat and the fixing seat are adjusted by rotating the adjusting screw. Therefore, the supporting device reduces the complicated procedures of manual operation in the process of supporting the connecting rod, improves the production efficiency of maintaining the fully-mechanized coal mining equipment, avoids the phenomena of sleeper inclination, breakage and the like caused by longer time for supporting the connecting rod, and solves the problems of higher labor intensity and great potential safety hazard in the prior art when the hydraulic support shield beam and the base connecting rod are assembled.

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 shows a schematic structural view of an embodiment of a support device according to the utility model;

fig. 2 shows a schematic view of the support device of fig. 1 in a state of being supported.

Wherein the above figures include the following reference numerals:

100. a support device; 200. a workpiece;

1. a fixing seat; 11. a first fixing seat; 12. the second fixing seat;

2. a fixed seat lifting assembly; 21. the first fixing seat lifting assembly; 22. the second fixing seat lifting assembly; 3. casters;

4. a support base; 40. an anti-slip pad; 41. a first support base; 42. a second support base;

5. a rotary support assembly; 501. an intermediate shaft; 502. a first sleeve; 503. a second sleeve; 51. a first rotary support assembly; 52. a second rotary support assembly;

61. a first fixing pin; 62. a second fixing pin; 63. a third fixing pin; 7. a base;

8. a connecting member; 81. a horizontal telescoping assembly; 82. a first vertical stiffener; 83. a second vertical stiffener; 84. a horizontal reinforcing rod; 9. a caster lifting assembly;

10. an adjusting screw; 101. a first adjusting screw; 102. and a second adjusting screw.

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.

As shown in fig. 1 and 2, the present utility model provides a supporting device comprising: a fixing seat 1; the fixed seat lifting assembly 2 is arranged above the supporting base surface and below the fixed seat 1, and at least part of the fixed seat lifting assembly 2 is arranged in a lifting manner relative to the supporting base surface and is used for adjusting the height of the fixed seat 1; the supporting seat 4 is movably arranged above the fixed seat 1; the adjusting screw 10, the adjusting screw 10 and the fixing base 1 are in threaded connection, and the threaded end of the adjusting screw 10 passes through the fixing base 1 from bottom to top and then reaches the lower side of the supporting seat 4 so as to support the supporting seat 4, and the distance and the included angle between the supporting seat 4 and the fixing base 1 are adjusted by rotating the adjusting screw 10.

Therefore, the supporting device reduces the complicated procedures of manual operation in the process of supporting the connecting rod, improves the production efficiency of maintaining the fully-mechanized coal mining equipment, avoids the phenomena of sleeper inclination, breakage and the like caused by longer time for supporting the connecting rod, and solves the problems of higher labor intensity and great potential safety hazard in the prior art when the hydraulic support shield beam and the base connecting rod are assembled.

As shown in fig. 1, the number of the fixing seats 1, the fixing seat lifting assemblies 2 and the supporting seats 4 is multiple, the fixing seats 1 and the supporting seats 4 are respectively arranged in one-to-one correspondence with the fixing seat lifting assemblies 2, and a plurality of adjusting screws 10 are respectively arranged on each fixing seat 1 at intervals; wherein, a plurality of fixing base lifting assemblies 2 are rectangular array arrangement, connect through connecting element 8 between a plurality of fixing base lifting assemblies 2 to constitute the support frame.

As shown in fig. 1, a rotary support assembly 5 is disposed between each support seat 4 and the corresponding fixed seat 1, the rotary support assembly 5 includes an intermediate shaft 501, and a first sleeve 502 and a second sleeve 503 rotatably sleeved on the intermediate shaft 501, the first sleeve 502 is connected with the corresponding fixed seat 1, and the second sleeve 503 is connected with the corresponding support seat 4, so as to drive the corresponding support seat 4 to rotate around the intermediate shaft 501 by rotating the corresponding adjusting screw 10.

As shown in fig. 1, the plurality of adjusting screws 10 includes: a first adjusting screw 101, the first adjusting screw 101 is located below the rotary support assembly 5 and rotatably connected with the bottom of the first sleeve 502 of the rotary support assembly 5, so as to drive the rotary support assembly 5 to perform lifting movement by rotating the first adjusting screw 101; the second adjusting screw 102, the second adjusting screw 102 is used for contacting with the supporting seat 4, so as to drive the supporting seat 4 to rotate around the middle shaft 501 of the rotating supporting assembly 5 by rotating the second adjusting screw 102.

As shown in fig. 1, the plurality of fixing base lifting assemblies 2 include two first fixing base lifting assemblies 21 and two second fixing base lifting assemblies 22, the two first fixing base lifting assemblies 21 and the two second fixing base lifting assemblies 22 are arranged at intervals along a first direction, the two first fixing base lifting assemblies 21 are arranged at intervals along a second direction, and the two second fixing base lifting assemblies 22 are arranged at intervals along the second direction; the plurality of fixing seats 1 comprise two first fixing seats 11 and two second fixing seats 12, the two first fixing seats 11 are respectively positioned above the two first fixing seat lifting assemblies 21, and the two second fixing seats 12 are respectively positioned above the two second fixing seat lifting assemblies 22; the plurality of supporting seats 4 comprise two first supporting seats 41 and two second supporting seats 42, the two first supporting seats 41 are respectively arranged on the two first fixing seats 11, and the two second supporting seats 42 are respectively arranged on the two second fixing seats 12.

As shown in fig. 1, the maximum heights of the two first fixing base lifting assemblies 21 are the same, and the minimum heights of the two first fixing base lifting assemblies 21 are the same; the maximum heights of the two second fixed seat lifting assemblies 22 are the same, and the minimum heights of the two second fixed seat lifting assemblies 22 are the same; the maximum height of each first fixing base elevation assembly 21 is smaller than the maximum height of each second fixing base elevation assembly 22, and the minimum height of each first fixing base elevation assembly 21 is smaller than the minimum height of each second fixing base elevation assembly 22.

As shown in fig. 1, a non-slip mat 40 is provided on a side of the support base 4 away from the fixing base 1.

Specifically, a first adjusting screw 101 and a second adjusting screw 102 are disposed on the first fixing seat 11, a first rotating support assembly 51 is disposed between the first fixing seat 11 and the first supporting seat 41, a first sleeve 502 of the first rotating support assembly 51 is connected with the first adjusting screw 101, and a second sleeve 503 of the first rotating support assembly 51 is connected with the first supporting seat 41; the second fixing seat 12 is provided with a second adjusting screw 102, a second rotating support assembly 52 is arranged between the second fixing seat 12 and the second supporting seat 42, a first sleeve 502 of the second rotating support assembly 52 is connected with the second fixing seat 12, and a second sleeve 503 of the second rotating support assembly 52 is connected with the second supporting seat 42.

As shown in fig. 1, the fixed seat lifting assembly 2 includes a first sleeve extending in a vertical direction and a first telescopic rod at least partially inserted into the first sleeve, and a plurality of first through holes for the first fixing pins 61 to pass through are formed in the first sleeve and the first telescopic rod.

As shown in fig. 1, the connection part 8 includes a horizontal telescopic member 81 provided between the two first fixed seat elevating members 21 and/or between the two second fixed seat elevating members 22, at least part of the horizontal telescopic member 81 being telescopically provided in a horizontal direction for adjusting a horizontal distance between the corresponding two fixed seat elevating members 2.

As shown in fig. 1, the horizontal telescopic assembly 81 includes a second sleeve extending in a horizontal direction and a second telescopic rod at least partially inserted into the second sleeve, and a plurality of second through holes for passing the second fixing pins 62 are provided on both the second sleeve and the second telescopic rod.

As shown in fig. 1, the number of the horizontal telescopic members 81 is plural, and the plurality of horizontal telescopic members 81 includes: the two first horizontal telescopic assemblies are arranged between the two first fixed seat lifting assemblies 21 at intervals along the vertical direction, and are connected through a first vertical reinforcing rod 82; the two second horizontal telescopic components are arranged between the two second fixed seat lifting components 22 at intervals along the vertical direction, and are connected through a second vertical reinforcing rod 83; wherein, first vertical stiffener 82 corresponds the setting with second vertical stiffener 83, connects through horizontal stiffener 84 between first vertical stiffener 82 and the second vertical stiffener 83.

As shown in fig. 1, the supporting device further includes: the bases 7 are arranged below the fixed seat lifting assemblies 2 in a one-to-one correspondence manner, and each base 7 is connected with the corresponding fixed seat lifting assembly 2; the plurality of casters 3 and the plurality of caster lifting assemblies 9 which are arranged in one-to-one correspondence with the plurality of casters 3, wherein each caster 3 is arranged above the supporting base surface and is connected with the connecting part 8 through the corresponding caster lifting assembly 9, and the caster lifting assemblies 9 are arranged in a telescopic manner along the vertical direction; wherein the casters 3 or base 7 are brought into contact with the supporting base surface by adjusting the caster lifting assembly 9.

Specifically, the base 7 is made of a circular plate, and the castor 3 is a universal wheel.

As shown in fig. 1, each caster lifting assembly 9 includes a third sleeve extending in the vertical direction and a third telescopic rod at least partially inserted in the third sleeve, and a plurality of third through holes for passing third fixing pins 63 are provided on the third sleeve and the third telescopic rod.

The fixing seat lifting assembly 2, the horizontal telescopic assembly 81 and the caster lifting assembly 9 in the supporting device have the functions of bearing and fixing the connecting rods (namely the workpieces 200) of the hydraulic support, and can firstly adjust the left-right and up-down intervals of the connecting rods of different types of hydraulic supports, and then ensure the support of the connecting rods of the hydraulic support through fine adjustment of the adjusting screw 10.

The supporting device can support the simultaneous lifting operation of the two connecting rods of the hydraulic support, greatly improves the working efficiency and reduces certain safety risks.

As shown in fig. 2, the supporting device of the present utility model is used as follows:

when the connecting rod of the hydraulic support is lifted to a proper position through the crane, the supporting device 100 is moved to the lower part of the connecting rod, the caster 3 is upwards retracted, then the height and the width are adjusted to be proper through the fixed seat lifting assembly 2 and the horizontal telescopic assembly 81, so that the anti-skid pad 40 on the supporting seat 4 contacts with the lower surface of the connecting rod, the position of the first supporting seat 41 is finely adjusted through rotating the adjusting screw 10, so that the upper surface of the corresponding anti-skid pad 40 and the lower surface of the connecting rod are mutually parallel to realize complete contact, and finally the position of the second supporting seat 42 is finely adjusted through rotating the adjusting screw 10, so that the upper surface of the corresponding anti-skid pad 40 and the lower surface of the connecting rod are mutually parallel to realize complete contact.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

the support device of the present utility model includes: a fixing seat 1; the fixed seat lifting assembly 2 is arranged above the supporting base surface and below the fixed seat 1, and at least part of the fixed seat lifting assembly 2 is arranged in a lifting manner relative to the supporting base surface and is used for adjusting the height of the fixed seat 1; the supporting seat 4 is movably arranged above the fixed seat 1; the adjusting screw 10, the adjusting screw 10 and the fixing base 1 are in threaded connection, and the threaded end of the adjusting screw 10 passes through the fixing base 1 from bottom to top and then reaches the lower side of the supporting seat 4 so as to support the supporting seat 4, and the distance and the included angle between the supporting seat 4 and the fixing base 1 are adjusted by rotating the adjusting screw 10. Therefore, the supporting device reduces the complicated procedures of manual operation in the process of supporting the connecting rod, improves the production efficiency of maintaining the fully-mechanized coal mining equipment, avoids the phenomena of sleeper inclination, breakage and the like caused by longer time for supporting the connecting rod, and solves the problems of higher labor intensity and great potential safety hazard in the prior art when the hydraulic support shield beam and the base connecting rod are assembled.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

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 (13)

1. A support device, comprising:

a fixed seat (1);

the fixing seat lifting assembly (2) is arranged above the supporting base surface and below the fixing seat (1), and at least part of the fixing seat lifting assembly (2) is arranged in a lifting manner relative to the supporting base surface and is used for adjusting the height of the fixing seat (1);

the supporting seat (4) is movably arranged above the fixed seat (1);

the adjusting screw (10), adjusting screw (10) with fixing base (1) threaded connection, the screw thread end of adjusting screw (10) passes from bottom to top behind fixing base (1) reach behind supporting seat (4) below, in order to support supporting seat (4), in order to adjust through rotation adjusting screw (10) supporting seat (4) with distance and contained angle between fixing base (1).

2. The supporting device according to claim 1, wherein the number of the fixed seat (1), the fixed seat lifting assembly (2) and the supporting seat (4) is multiple, the fixed seats (1) and the supporting seats (4) are arranged in a one-to-one correspondence with the fixed seat lifting assemblies (2), and a plurality of adjusting screws (10) are arranged on each fixed seat (1) at intervals; the fixing seat lifting assemblies (2) are arranged in a rectangular array, and the fixing seat lifting assemblies (2) are connected through connecting components (8) to form a supporting frame.

3. The supporting device according to claim 2, characterized in that a rotary supporting component (5) is arranged between each supporting seat (4) and the corresponding fixed seat (1), the rotary supporting component (5) comprises an intermediate shaft (501) and a first sleeve (502) and a second sleeve (503) rotatably sleeved on the intermediate shaft (501), the first sleeve (502) is connected with the corresponding fixed seat (1), and the second sleeve (503) is connected with the corresponding supporting seat (4) so as to drive the corresponding supporting seat (4) to rotate around the intermediate shaft (501) by rotating the corresponding adjusting screw (10).

4. A support device according to claim 3, wherein a plurality of said adjustment screws (10) comprises:

a first adjusting screw (101), wherein the first adjusting screw (101) is positioned below the rotary support assembly (5) and is rotatably connected with the bottom of the first sleeve (502) of the rotary support assembly (5) so as to drive the rotary support assembly (5) to perform lifting movement by rotating the first adjusting screw (101);

the second adjusting screw (102) is used for being in contact with the supporting seat (4), so that the supporting seat (4) is driven to rotate around the middle shaft (501) of the rotating supporting assembly (5) through rotating the second adjusting screw (102).

5. The support device of claim 4 wherein the support device comprises a support frame,

the fixed seat lifting assemblies (2) comprise two first fixed seat lifting assemblies (21) and two second fixed seat lifting assemblies (22), wherein the two first fixed seat lifting assemblies (21) and the two second fixed seat lifting assemblies (22) are arranged at intervals along a first direction, the two first fixed seat lifting assemblies (21) are arranged at intervals along a second direction, and the two second fixed seat lifting assemblies (22) are arranged at intervals along the second direction;

the plurality of fixing seats (1) comprise two first fixing seats (11) and two second fixing seats (12), the two first fixing seats (11) are respectively positioned above the two first fixing seat lifting assemblies (21), and the two second fixing seats (12) are respectively positioned above the two second fixing seat lifting assemblies (22);

the plurality of supporting seats (4) comprise two first supporting seats (41) and two second supporting seats (42), the two first supporting seats (41) are respectively arranged on the two first fixing seats (11), and the two second supporting seats (42) are respectively arranged on the two second fixing seats (12).

6. The support device of claim 5 wherein the support device comprises a support frame,

the maximum heights of the two first fixed seat lifting assemblies (21) are the same, and the minimum heights of the two first fixed seat lifting assemblies (21) are the same;

the maximum heights of the two second fixed seat lifting assemblies (22) are the same, and the minimum heights of the two second fixed seat lifting assemblies (22) are the same;

the maximum height of each first fixed seat lifting assembly (21) is smaller than the maximum height of each second fixed seat lifting assembly (22), and the minimum height of each first fixed seat lifting assembly (21) is smaller than the minimum height of each second fixed seat lifting assembly (22).

7. Support device according to claim 1, characterized in that the side of the support seat (4) remote from the fixing seat (1) is provided with a non-slip mat (40).

8. The support device according to claim 1, wherein the fixed seat lifting assembly (2) comprises a first sleeve extending in the vertical direction and a first telescopic rod at least partially inserted into the first sleeve, and a plurality of first through holes for passing through a first fixing pin (61) are formed in the first sleeve and the first telescopic rod.

9. Support device according to claim 5, characterized in that the connecting part (8) comprises a horizontal telescopic assembly (81) arranged between the two first fixed seat lifting assemblies (21) and/or between the two second fixed seat lifting assemblies (22), at least part of the horizontal telescopic assembly (81) being telescopically arranged in a horizontal direction for adjusting the horizontal distance between the respective two fixed seat lifting assemblies (2).

10. Support device according to claim 9, wherein the horizontal telescopic assembly (81) comprises a second sleeve extending in a horizontal direction and a second telescopic rod at least partly inserted in the second sleeve, the second sleeve and the second telescopic rod each being provided with a plurality of second through holes for the passage of second fixing pins (62).

11. The support device according to claim 9, wherein the number of horizontal telescopic assemblies (81) is plural, a plurality of the horizontal telescopic assemblies (81) comprising:

the two first horizontal telescopic assemblies are arranged between the two first fixed seat lifting assemblies (21) at intervals along the vertical direction, and the two first horizontal telescopic assemblies are connected through a first vertical reinforcing rod (82);

the two second horizontal telescopic assemblies are arranged between the two second fixed seat lifting assemblies (22) at intervals along the vertical direction, and the two second horizontal telescopic assemblies are connected through a second vertical reinforcing rod (83);

the first vertical reinforcing rods (82) and the second vertical reinforcing rods (83) are correspondingly arranged, and the first vertical reinforcing rods (82) and the second vertical reinforcing rods (83) are connected through horizontal reinforcing rods (84).

12. The support device of claim 2, wherein the support device further comprises:

the bases (7) are arranged below the fixed seat lifting assemblies (2) in a one-to-one correspondence manner, and each base (7) is connected with the corresponding fixed seat lifting assembly (2);

a plurality of casters (3) and a plurality of caster lifting assemblies (9) which are arranged in one-to-one correspondence with the casters (3), wherein each caster (3) is arranged above the supporting base surface and is connected with the connecting part (8) through the corresponding caster lifting assembly (9), and the caster lifting assemblies (9) are arranged in a telescopic manner along the vertical direction;

wherein the castor (3) or the base (7) is brought into contact with the support base surface by adjusting the castor lifting assembly (9).

13. The support device according to claim 12, wherein each caster lifting assembly (9) comprises a third sleeve extending in a vertical direction and a third telescopic rod at least partially inserted in the third sleeve, the third sleeve and the third telescopic rod being each provided with a plurality of third through holes for passing third fixing pins (63).