CN111272152A

CN111272152A - Geographical mapping device convenient to increase

Info

Publication number: CN111272152A
Application number: CN202010042805.8A
Authority: CN
Inventors: 周豹; 赵俊三; 尹莹; 符茂胜
Original assignee: Yunnan Yunjindi Technology Co ltd
Current assignee: Yunnan Yunjindi Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-06-12

Abstract

The invention discloses a geographical surveying and mapping device convenient to heighten, which relates to the technical field of surveying and mapping devices and comprises a clamping mechanism, a supporting plate, supporting legs and a height adjusting mechanism, wherein the height adjusting mechanism comprises a linkage rod, a central stud and a rotating sleeve, the rotating sleeve comprises an annular strip groove and an annular cavity, and a rotating wheel structure is arranged in the annular cavity; the support legs are sleeved with sliding sleeve blocks, one ends of the linkage rods are connected with the sliding sleeve blocks, and the other ends of the linkage rods are connected with the rotating sleeves. The geographical mapping device is ingenious and flexible in structural design, practical and reliable, the height adjusting mechanism is additionally arranged below the platform of the mapping instrument, so that an operator can conveniently and maximally adjust the height of the mapping instrument when using the geographical mapping device, and the device supporting leg after adjustment is good in stability.

Description

Geographical mapping device convenient to increase

Technical Field

The invention belongs to the technical field of surveying and mapping devices, and particularly relates to a geographical surveying and mapping device convenient to heighten.

Background

As is well known, a surveying device is an auxiliary device for surveying geography, which is widely used in the field of surveying; the existing surveying and mapping device comprises a support and a surveying and mapping instrument, wherein the support comprises a placing plate and three groups of supporting legs, the three groups of supporting legs are respectively hinged to the left front side, the left rear side and the rear end of the bottom end of the placing plate, and the surveying and mapping instrument is arranged at the top end of the placing plate; when the surveying and mapping device is used, the device is placed in a surveying and mapping area, the positions of the three groups of supporting legs are adjusted according to the ground flatness, the placing plate is placed horizontally, the adjusting result is checked by the surveying and mapping instrument in the adjusting process, and then the surveying and mapping are carried out by the surveying and mapping instrument; when the surveying and mapping device is used, the surveying and mapping instrument can only be arranged at the top end of the bracket matched with the surveying and mapping instrument, the adaptability is poor, and the use limitation is high; and the complicated unstability of altitude mixture control of surveying instrument influences the use of surveying instrument, consequently, need improve to current surveying instrument auxiliary stand device.

Disclosure of Invention

To address the problems in the prior art, it is an object of the present invention to provide a geographical mapping device that is easy to adjust.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a geographical surveying and mapping device convenient for height adjustment comprises a clamping mechanism arranged at the top and used for fixing a surveying and mapping instrument, a supporting plate positioned at the middle part and a plurality of supporting legs hinged at the bottom of the supporting plate; the device is provided with a height adjusting mechanism which comprises a linkage rod, a central stud vertically arranged at the bottom of a supporting plate and a rotating sleeve sleeved on the threaded section of the central stud in a threaded manner, wherein the rotating sleeve comprises an annular strip groove formed around the top and an annular cavity arranged inside the annular strip groove, the annular strip groove is communicated with the annular cavity, the annular cavity is provided with a rotating wheel structure, the rotating wheel structure comprises a first rotating wheel, a second rotating wheel and a concentric shaft, the upper end and the lower end of the concentric shaft are respectively sleeved with the rotating centers of the first rotating wheel and the second rotating wheel, a gap is formed between the first rotating wheel and the second rotating wheel, the first rotating wheel is positioned above the second rotating wheel, the side part of the first rotating wheel positioned above the first rotating wheel is abutted against the inner side wall of the annular cavity, an annular first lap joint table is arranged below the first rotating wheel of the inner side wall, and the bottom end of the, a gap exists between the outer side edge part of the first rotating wheel and the outer side wall of the annular cavity, and a gap exists between the top part of the first rotating wheel and the top wall of the annular cavity;

the side part of the second rotating wheel positioned below is abutted against the outer side wall of the annular cavity, an annular second lapping table is arranged below the second rotating wheel on the outer side wall, the bottom end of the outer side of the second rotating wheel is lapped on the second lapping table, a gap exists between the edge part of the inner side of the second rotating wheel and the inner side wall of the annular cavity, a gap exists between the top of the second rotating wheel and the bottom of the first lapping table, and a gap exists between the concentric shaft and the side wall of the annular strip groove; be equipped with first connecting portion on the top of concentric shaft the cover is equipped with the sliding sleeve piece on the landing leg, and the inboard limit portion of sliding sleeve piece is equipped with the second connecting portion, and gangbar one end is articulated with first connecting portion, and the gangbar other end is articulated with second connecting portion, and at sliding sleeve piece lateral part set screw hole, the screw hole extends to the landing leg lateral part, and screw hole female connection has spacing bolt.

Furthermore, a limiting plate is fixedly arranged at the bottom end of the central stud.

Further, a push-pull ring is provided around the outside of the rotary sleeve.

Further, above-mentioned fixture includes outside casing, has seted up the bar cavity at the inside horizontal position of casing, inserts from the casing lateral part and is equipped with the two-way lead screw to the bar cavity in, and two-way lead screw outer end is equipped with the knob, and the lead screw inner is connected with the bearing frame, and the bearing frame is fixed to be inlayed and locates in the casing the cooperation is equipped with the removal seat on the both sides lead screw of two-way lead screw, is equipped with the screw-nut who is connected with each section lead screw thread transmission in the removal seat, has seted up the bar spout in casing top both sides, and the bar spout communicates with the bar cavity, removes the seat and includes that the.

Furthermore, rubber pads are arranged on the opposite sides of the two clamping blocks.

Furthermore, a stand column is arranged at the bottom of the shell, the supporting plate comprises an inserting cylinder with a downward convex center, a rotary support is arranged at the bottom in the inserting cylinder, the lower end of the stand column is inserted into the inserting cylinder, the bottom end of the stand column is fixedly connected with the rotating center of the rotary support, a rotating screw rod is fixedly connected to the side part of the lower end of the stand column vertically, an arc groove is formed in the corresponding position of the side part of the inserting cylinder, the rotating screw rod penetrates through the arc groove and goes out of the arc groove, and a fastening nut is sleeved on the thread section of the rotating screw rod in a threaded manner.

Furthermore, a damping seat is arranged in a gap between the shell and the supporting plate, the damping seat comprises a fixing plate, a damping spring and a pressing plate, the fixing plate is fixedly connected with the supporting plate through a connecting bolt arranged in the center, the damping spring is vertically arranged between the fixing plate and the pressing plate, the bottom end of the damping spring is fixedly connected with the top surface of the fixing plate, the top end of the damping spring is fixedly connected with the bottom surface of the pressing plate, and the top surface of the pressing plate is in a butt joint state with the bottom of the shell.

Furthermore, the four shock absorption seats are respectively arranged in the peripheral direction of the upright post.

Furthermore, wedge block type supporting feet are arranged at the bottom ends of the supporting legs.

The invention has the following beneficial effects: the geographical surveying and mapping device is ingenious and flexible in structural design, practical and reliable, the height adjusting mechanism is additionally arranged below the surveying and mapping instrument platform, so that an operator can conveniently and maximally adjust the height of the surveying and mapping instrument when using the geographical surveying and mapping device, the stability of the support legs of the geographical surveying and mapping device after adjustment is good, in addition, the surveying and mapping instrument can be well clamped and steered through the clamping mechanism and the support plate, and the surveying and mapping efficiency and quality are greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a partial schematic view of the upper portion of FIG. 1;

FIG. 3 is a schematic top view of the clamping mechanism of FIG. 1;

FIG. 4 is a partial schematic view of a lower portion of the structure of FIG. 1;

FIG. 5 is a schematic view of the roller frame of FIG. 1 in use;

FIG. 6 is a diagrammatic perspective view of the roller frame of FIG. 1 shown in non-use;

FIG. 7 is a schematic exploded perspective view of FIG. 6;

FIG. 8 is a schematic cross-sectional view of the rotating sleeve of FIG. 1;

labeled as: 1. a clamping mechanism; 101. a housing; 102. a strip-shaped cavity; 103. a bidirectional screw rod; 104. a knob; 105. a bearing seat; 106. a movable seat; 107. a strip-shaped chute; 108. a clamping block; 109. a rubber pad;

2. a support plate; 201. a plug-in barrel; 202. an arc groove; 3. a shock absorbing seat; 301. a fixing plate; 302. a damping spring; 303. pressing the plate; 4. a roller frame; 401. a first jig; 402. a roller; 403. a linkage bar; 404. an opening; 5. a second jig; 501. a strip-shaped push slot; 502. limiting the clamp column; 6. a collar; 7. a height adjustment mechanism; 701. a linkage rod; 702. a central stud; 703. rotating the sleeve; 704. an annular strip groove; 705. an annular cavity; 706. a first runner; 707. a second runner; 708. concentric shafts; 709. a first lap joint table; 710. a second lap joint table; 711. a first connection portion; 712. sliding the sleeve block; 713. a second connecting portion; 714. a limit bolt;

8. a support leg; 9. a surveying instrument; 10. a column; 11. rotating the screw; 12. fastening a nut; 13. a limiting plate; 14. a pull ring is pushed; 15. and (3) a support leg.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or circuit connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

An auxiliary device for geological mapping, as shown in fig. 1 to 3, substantially comprises the following structure:

comprises a clamping mechanism 1 arranged at the top and used for fixing a surveying instrument 9, a supporting plate 2 positioned at the middle part and a plurality of supporting legs 8 hinged at the bottom of the supporting plate 2; the preferred number of legs 8 is shown as a conventional three, and three sets of legs 8 are arranged in an annular array about the centerline of the bottom wall of the support plate 2;

the clamping mechanism 1 comprises an external shell 101, the center of the top wall of the shell 101 is used for placing the surveying instrument 9, a strip-shaped cavity 102 is arranged in the transverse middle position in the shell 101, a bidirectional screw rod 103 extending into the strip-shaped cavity 102 is inserted from the side part of the shell 101, the outer end of the bidirectional screw rod 103 is provided with a knob 104, the inner end of the screw rod is connected with a bearing seat 105, and the bearing seat 105 is fixedly embedded in the shell 101;

the cooperation is equipped with on the both sides lead screw of above-mentioned two-way lead screw 103 and removes seat 106, be equipped with the screw-nut (not shown) of being connected with each section lead screw thread transmission in removing seat 106, the bar spout 107 that the symmetry set up is seted up in casing 101 top both sides, bar spout 107 and bar cavity 102 intercommunication, it includes that the top extends the clamp splice 108 that stretches out from bar spout 107 department to remove seat 106, the space between two clamp splices 108 is the position of placing of surveying appearance 9 promptly, make two-way lead screw 103 rotate through the above-mentioned knob 104 of rotating, two-way lead screw 103 rotates and then drives the removal seat 106 of middle both sides and approach or separate, and then reach the purpose of the fixed surveying appearance 9 of centre gripping.

Based on the foregoing, the rubber pads 109 are disposed on opposite sides of the two clamping blocks 108, and the rubber pads 109 serve as vibration damping protection.

A cylindrical upright post 10 is arranged at the center of the bottom of the shell 101, the support plate 2 comprises an insertion cylinder 201 with a downward projecting center, a rotary support (not shown) is arranged at the bottom in the insertion cylinder 201, the lower end of the upright post 10 is inserted into the insertion cylinder 201, the bottom end of the upright post is fixedly connected with the rotary center of the rotary support, a rotary screw 11 is fixedly and vertically connected with the side part of the lower end of the upright post 10, an arc groove 202 is arranged at the corresponding position of the side part of the insertion cylinder 201, the rotary screw 11 penetrates through the arc groove 202, a fastening nut 12 is in threaded sleeve connection with the threaded section of the rotary screw 11, the fastening nut 12 can be rotated to move on the threaded section of the rotary screw 11, and the purpose that the fastening nut 12 is firmly abutted to the side part of the insertion cylinder 201 to limit the rotary screw 11 to rotate is achieved, so;

in order to improve the stability of the rotation of the housing 101 and the surveying instrument 9 thereon on the support plate 2, the shock-absorbing seat 3 is arranged in the gap between the housing 101 and the support plate 2, the shock-absorbing seat 3 comprises a fixed plate 301, a shock-absorbing spring 302 and a pressing plate 303, wherein the fixed plate 301 is fixedly connected with the support plate 2 through a connecting bolt arranged in the center, the shock-absorbing spring 302 is vertically arranged between the fixed plate 301 and the pressing plate 303, the bottom end of the shock-absorbing spring is fixedly connected with the top surface of the fixed plate 301, the top end of the shock-absorbing spring is fixedly connected with the bottom surface of the pressing plate 303, the top surface of the pressing plate 303 is in a butt state with the bottom of the; preferably, the cushion socket 3 is equipped with four altogether, sets up the direction all around at stand 10 respectively, adds above-mentioned structure, can improve the damping effect of device greatly, improves survey and drawing efficiency and effect.

The bottom ends of the supporting legs 8 are provided with wedge block type supporting legs 15 for stable supporting;

as shown in fig. 4-7, in order to facilitate the movement of the apparatus, a roller frame 4 is movably mounted at a position close to the lower end of the leg 8, the roller frame 4 mainly includes a first mold frame 401, a roller 402 and a linkage bar 403, the roller 402 is rotatably connected to one end of the cavity of the first mold frame 401, and an opening 404 is formed at the other end of the cavity of the first mold frame 401;

a second frame 5 is arranged on the supporting leg 8 corresponding to the roller frame 4, a strip-shaped push groove 501 is arranged on the side part of two sides of the second frame 5, a limit clamp column 502 is arranged in the strip-shaped push groove 501, the outer end of the limit clamp column 502 is hinged with one end of a linkage strip 403, and the other end of the linkage strip 403 is hinged with the side part of the first frame 401;

when the roller frame 4 is not used, the first type frame 401 is attached to the outer side portion of the supporting leg 8, the roller 402 end of the first type frame 401 faces upwards, two ends of the linkage strip 403 are respectively hinged with the lower end side portion of the first type frame 401 and the limiting clamp column 502 at the lower end of the strip-shaped push groove 501, in order to fix the roller frame 4, a lantern ring 6 is hinged on the supporting leg 8, the lantern ring 6 is located above the second type frame 5, the lantern ring 6 can be rotated to be just sleeved at the roller 402 end of the first type frame 401, and therefore the purpose of limiting the movement of the roller frame 4 is achieved;

when the roller frame 4 is used, the supporting leg 8 on one side is lifted up to be away from the ground for a certain distance, the roller 402 end of the first frame 401 is rotated until the roller 402 end of the first frame 401 is located below the supporting leg 15, then the roller frame 4 is pushed, the roller frame 4 slides upwards along the supporting leg 8, the linkage bar 403 drives the limiting clamping column 502 to move upwards in the bar-shaped pushing groove 501 until the limiting clamping column is abutted to the top end of the bar-shaped pushing groove 501, at the moment, the supporting leg 15 and most of the second frames 5 are embedded in the first frame 401, the supporting leg 8 is put down, the roller 402 is in contact and abutted with the ground, and after the roller frames 4 on all the supporting legs 8 complete the operation, the device can be conveniently moved.

The roller frame 4 is additionally arranged on the supporting leg 8, so that the auxiliary device of the surveying instrument 9 can be switched between a moving state and a using state at will, the design is ingenious and flexible, the occupied space is small, and the use is convenient.

As shown in fig. 8, a height adjusting mechanism 7 is disposed on the auxiliary device, and includes a linkage rod 701, a central stud 702 vertically disposed at the bottom of the insertion tube 201, and a rotating sleeve 703 threadedly sleeved on a threaded section of the central stud 702, where the rotating sleeve 703 includes an annular groove 704 formed around the top of the sleeve and an annular cavity 705 disposed inside the sleeve, the annular groove 704 is communicated with the annular cavity 705, the annular cavity 705 is provided with a rotating wheel structure, the rotating wheel structure includes a first rotating wheel 706, a second rotating wheel 707, and a concentric shaft 708, the upper end and the lower end of the concentric shaft 708 are respectively sleeved with the rotating centers of the first rotating wheel 706 and the second rotating wheel 707, a gap exists between the first rotating wheel 706 and the second rotating wheel 707, the first rotating wheel 706 is located above the second rotating wheel 707, the side portion of the first rotating wheel 706 located above is in abutting connection with the inner side wall of the annular cavity 705, and an annular first overlapping table 709 is disposed below the first rotating wheel 706, the bottom end of the inner side of the first rotating wheel 706 is lapped on the first lapping table 709, a gap exists between the edge part of the outer side of the first rotating wheel 706 and the outer side wall of the annular cavity 705, and a gap exists between the top part of the first rotating wheel 706 and the top wall of the annular cavity 705;

the side part of the second runner 707 at the lower part is connected with the outer side wall of the annular cavity 705 in an abutting mode, an annular second lapping table 710 is arranged below the second runner 707 at the outer side wall, the bottom end of the outer side of the second runner 707 is lapped on the second lapping table 710, a gap exists between the side part of the inner side of the second runner 707 and the inner side wall of the annular cavity 705, and a gap exists between the top part of the second runner 707 and the bottom part of the first lapping table 709;

in addition, a gap exists between the concentric shaft 708 and the side wall of the annular groove 704;

the design of the structure can enable the upper rotating wheel and the lower rotating wheel to concentrically rotate by taking the concentric shaft 708 as the axis, but the rotating directions of the two rotating wheels are opposite, and the friction of the two rotating wheels in the annular cavity 705 in the mode of abutting rotation can be greatly reduced due to the arrangement of the gap;

a first connecting part 711 is arranged at the top end of the concentric shaft 708, a sliding sleeve block 712 is sleeved on the supporting leg 8, a second connecting part 713 is arranged at the side part of the inner side of the sliding sleeve block 712, one end of the linkage rod 701 is hinged with the first connecting part 711, the other end of the linkage rod 701 is hinged with the second connecting part 713, a threaded hole (not shown) is formed in the side part of the sliding sleeve block 712, the threaded hole extends to the side part of the supporting leg 8, a limiting bolt 714 is connected to the threaded hole in a threaded manner, and the inner end of a screw rod of the limiting bolt 714 can be firmly abutted to the side part of the supporting leg 8 by;

based on the above, in order to prevent the rotating sleeve 703 from being separated from the bottom end of the central stud 702, a limiting plate 13 is fixedly arranged at the bottom end of the central stud 702; in order to facilitate the manual rotation of the rotating sleeve 703, a push-pull ring 14 is provided around the outside of the rotating sleeve 703.

The working principle of the height adjusting mechanism 7 of the invention is as follows:

① the first adjustment mode is that the rotating sleeve 703 is fixed, the sliding sleeve block 712 is slid, the angle of inclination of the linkage rod 701 is changed, and then the angle of inclination of the supporting leg 8 is adjusted, finally the purpose of changing the height of the surveying instrument 9 on the clamping mechanism 1 is achieved;

② the second adjustment method is that the rotating sleeve 703 is rotated to move up and down on the central stud 702, during which the sliding sleeve 712 remains stationary, the rotating wheel structure moves in the annular cavity 705 of the rotating sleeve 703, the rotating wheel structure moves up and down along with the rotating sleeve 703 to drive the linkage rod 701 to move, the inclination angle of the linkage rod 701 changes, and the inclination angle of the supporting leg 8 is adjusted, finally the purpose of changing the height of the surveying instrument 9 on the clamping mechanism 1 is achieved;

③ the third adjustment mode is that the sleeve 703 and the sliding sleeve 712 are rotated according to the above operation, and the change of the height of the surveying instrument 9 can be maximized by reasonable adjustment.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A geographical surveying and mapping device convenient to heighten is characterized by comprising a clamping mechanism, a supporting plate and a plurality of supporting legs, wherein the clamping mechanism is arranged at the top and used for fixing a surveying and mapping instrument; the device is provided with a height adjusting mechanism which comprises a linkage rod, a central stud vertically arranged at the bottom of a supporting plate and a rotating sleeve sleeved on the threaded section of the central stud in a threaded manner, wherein the rotating sleeve comprises an annular strip groove formed around the top and an annular cavity arranged inside the annular strip groove, the annular strip groove is communicated with the annular cavity, the annular cavity is provided with a rotating wheel structure, the rotating wheel structure comprises a first rotating wheel, a second rotating wheel and a concentric shaft, the upper end and the lower end of the concentric shaft are respectively sleeved with the rotating centers of the first rotating wheel and the second rotating wheel, a gap is formed between the first rotating wheel and the second rotating wheel, the first rotating wheel is positioned above the second rotating wheel, the side part of the first rotating wheel positioned above the first rotating wheel is abutted against the inner side wall of the annular cavity, an annular first lap joint table is arranged below the first rotating wheel of the inner side wall, and the bottom end of the, a gap exists between the outer side edge part of the first rotating wheel and the outer side wall of the annular cavity, and a gap exists between the top part of the first rotating wheel and the top wall of the annular cavity;

2. The apparatus of claim 1, wherein a limiting plate is fixed to the bottom end of the central stud.

3. The elevation-facilitating geographical mapping device of claim 1, wherein a push-pull ring is provided around an exterior of the rotating sleeve.

4. The geographical mapping device convenient for elevation adjustment of claim 1, wherein the clamping mechanism comprises an external housing, a bar-shaped cavity is formed in a lateral position inside the housing, a bidirectional screw rod inserted into the bar-shaped cavity from a side portion of the housing is provided with a knob at an outer end thereof, a bearing seat is connected to an inner end of the screw rod and fixedly embedded in the housing, moving seats are cooperatively arranged on the screw rods at two sides of the bidirectional screw rod, screw nuts in threaded transmission connection with the screw rods are arranged in the moving seats, bar-shaped chutes are formed in two sides of a top portion of the housing and communicated with the bar-shaped cavity, and each moving seat comprises a clamping block, a top portion of which extends out of the bar-shaped chute.

5. The elevation-facilitating geographical mapping device of claim 4, wherein rubber pads are provided on opposite sides of both of the clamping blocks.

6. The geographical mapping device convenient for elevation adjustment of claim 5, wherein a vertical column is disposed at the bottom of the housing, the supporting plate comprises a plug-in cylinder with a downward-protruding center, a rotary support is disposed at the bottom of the plug-in cylinder, the lower end of the vertical column is inserted into the plug-in cylinder, and the bottom end of the vertical column is fixedly connected to the rotation center of the rotary support, a rotary screw is fixedly connected to the side portion of the lower end of the vertical column, an arc groove is disposed at the corresponding position of the side portion of the plug-in cylinder, the rotary screw penetrates through the arc groove and is threaded on the thread section of the rotary screw, and a fastening nut is sleeved on the thread section of the.

7. The geographical mapping device convenient for elevation adjustment of claim 6, wherein a shock absorption seat is disposed in the gap between the housing and the supporting plate, the shock absorption seat comprises a fixing plate, a shock absorption spring and a pressing plate, the fixing plate is fixedly connected with the supporting plate through a connecting bolt disposed at the center, the shock absorption spring is vertically disposed between the fixing plate and the pressing plate, the bottom end of the shock absorption spring is fixedly connected with the top surface of the fixing plate, the top end of the shock absorption spring is fixedly connected with the bottom surface of the pressing plate, and the top surface of the pressing plate is in a state of abutting against the bottom of the.

8. The apparatus according to claim 7, wherein there are four shock-absorbing seats, and the four shock-absorbing seats are respectively arranged on the periphery of the vertical column.

9. The apparatus of claim 1, wherein a wedge-type foot is provided at each of the bottom ends of the legs.