CN217276192U - Portable geographic information remote sensing mapping device - Google Patents

Abstract

The utility model provides a portable geographic information remote sensing mapping device, include base plate, lower extension board, lead screw, commentaries on classics board, gag lever post, transform supporting mechanism, go up the extension board and rotate the extension board, it is equipped with the bull stick to rotate extension board both ends center department fixed, the bull stick other end rotates and pegs graft inside last extension board, it is equipped with locking mechanism to go up extension board top one side, it is equipped with the regulation commentaries on classics board to rotate the extension board top, it connects through being equipped with down the damping pivot to adjust between the commentaries on classics board lower extreme center department co-rotating extension board, it is equipped with remote sensing mapping mechanism to adjust the commentaries on classics board top, it is equipped with the spirit level to go up the extension board top and is located the opposite side that sets up locking mechanism, the position department in the middle of rotation extension board bottom is equipped with and carries and draws the grab handle. Compared with the prior art, the utility model the advantage lie in: convenient carrying, strong ground condition adapting capability and flexible adjustment.

Description

Portable geographic information remote sensing mapping device

Technical Field

The utility model belongs to the technical field of the remote sensing survey and drawing, especially, relate to a portable geographic information remote sensing mapping device.

Background

The geographic information is the basis for the research reference and construction of people, and various states of the earth surface are embodied in a digital form, so that the accuracy of the geographic information data plays a very important role. The current geographic data testing method has the following several types, firstly, the measurement is carried out through a remote sensing satellite, the measuring range of a remote sensing satellite layer is wide, the measuring speed is high, but the accuracy is not too high, and the most basic manpower surveying and mapping is also adopted, the speed of the manpower surveying and mapping is low, the efficiency is low, but the measuring accuracy is good, and the surveying and mapping can be further carried out in the vertical landform and the cliff karst cave, so on some major projects, the manpower surveying and mapping is indispensable, and the manpower surveying and mapping needs to use a geographic information remote sensing surveying and mapping device. The toper structure of current geographic information remote sensing mapping device bottom for fixing the usefulness, inconvenient whole remote sensing mapping device's removal of carrying, current geographic information remote sensing mapping device can't be adapted to simultaneously and has the situation of slope or ground unevenness, and it is very big to use the restriction, and in addition, current remote sensing mapping device's remote sensing survey subassembly adjustment is not nimble enough, and the plotting effect is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a portable geographic information remote sensing mapping device to realize a portable geographic information remote sensing mapping device who conveniently carries, adapts to the ground situation can the reinforce and adjust in a flexible way.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a portable geographic information remote sensing mapping device comprises a base plate, wherein four corners of the bottom of the base plate are provided with a transformation supporting mechanism in an adjustable mode;

the top of the base plate is provided with a height adjusting mechanism, the height adjusting mechanism is provided with an upper supporting plate, and the upper supporting plate is provided with a locking mechanism;

the remote sensing drawing mechanism is rotatably arranged on the upper support plate through the rotating support plate and is limited through the locking mechanism.

Furthermore, a lower support plate is arranged around each of two sides of the bottom end of the substrate, a lead screw is rotatably connected to the front side of the top end of the lower support plate, the upper end of the lead screw is connected with the substrate through a threaded structure and extends to the upper portion of the top of the lead screw, a rotating plate is arranged at the top end of the lead screw, and a limiting rod inserted into the substrate is arranged on the rear side of the top end of the lower support plate.

Further, the side all is equipped with the riser around the bottom end of lower supporting plate, and transform supporting mechanism installs between two risers, and transform supporting mechanism includes: adjust a piece, universal wheel, fixed awl, adjust a piece both ends and rotate through adjusting the bull stick and install between two risers, universal wheel, fixed awl set up respectively at the upper and lower both ends of adjusting a piece.

Furthermore, the rear end of the adjusting rotating rod at the rear side extends to the rear side of the vertical plate and is provided with a locking block, a guide hole structure is arranged on the locking block, a locking support plate is arranged on the upper side of the rear end of the vertical plate at the rear side, a locking screw rod is connected and arranged on the locking support plate through a threaded structure, the bottom end of the locking screw rod is inserted into the guide hole structure of the locking block, and a locking rotating plate is arranged at the top end of the locking screw rod.

Furthermore, the height adjusting mechanism comprises outer blocks arranged on two sides of the top end of the substrate, inner supporting blocks connected with the upper supporting plate are inserted into the outer blocks, control grooves are formed in the front end and the rear end of the inner supporting blocks, springs are arranged at the ends, close to each other, of the control grooves, pushing clamping blocks are arranged at the ends, far away from each other, of the springs, and a plurality of clamping holes which are vertically and uniformly distributed and matched with the pushing clamping blocks for use are formed in the front wall and the rear wall of the outer block.

Furthermore, the top surface and the bottom surface of the pushing fixture block are provided with limiting slide blocks at the ends close to the springs, and limiting slide grooves matched with the limiting slide blocks for use are arranged inside the top surface and the bottom surface of the control groove.

Furthermore, the upper support plate is U-shaped, the rotating support plate is rotatably installed in a U-shaped groove of the upper support plate through a rotating rod, an adjusting rotating plate is arranged at the top end of the rotating support plate, the center of the lower end of the adjusting rotating plate is connected with the rotating support plate through a lower damping rotating shaft, and the remote sensing mapping mechanism is installed at the top end of the adjusting rotating plate;

the rotary support plate is characterized in that T-shaped rotary sliding blocks are arranged on two sides of the bottom end of the adjusting rotary plate, an annular rotary ring groove matched with the rotary sliding blocks for use is formed in the rotary support plate, and the lower ends of the rotary sliding blocks are inserted into the rotary ring groove in an inserting mode.

Further, locking mechanism includes the locking square plate, the locking square plate is fixed cup joints on the bull stick, it is equipped with the control box to go up one side that the spirit level was kept away from to the backup pad top surface, the inside bottom of control box is equipped with the baffle that cooperates its use, the locking square plate top cup joints and is equipped with the locking fixture block that cooperates its use, locking fixture block top is equipped with the pull rod of U-shaped, the other end of pull rod extends to the inside and a section of thick bamboo baffle of control box and connects, the baffle upper end is equipped with the control spring who cup joints in the pull rod.

Further, remote sensing mapping mechanism is including setting up in the installation riser of adjusting commentaries on classics board top both sides, position upside between the installation riser is equipped with the remote sensing surveying appearance, the remote sensing surveying appearance both ends rotate through being equipped with the damping pivot between with the installation riser and are connected, it is equipped with the annular angle sign board of cup jointing in the regulation commentaries on classics board to rotate the extension board top.

Furthermore, a level gauge is arranged at the other side, located at the locking mechanism, of the top end of the upper supporting plate, and a lifting handle is arranged at the middle position of the bottom end of the rotating supporting plate.

Compared with the prior art, a portable geographic information remote sensing mapping device, have following beneficial effect:

a portable geographic information remote sensing mapping device, compare in prior art, the utility model discloses extension board bottom sets up the transform supporting mechanism under, the transform supporting mechanism can alternate the effect of supporting, the effect corresponds fixedly respectively and carries the removal, ensures that the device conveniently carries the effect of removal, relies on each transform supporting mechanism of the lead screw independent control that sets up simultaneously, can adjust the height that corresponds each other separately, the use of cooperation spirit level ensures that the device can adapt to different ground conditions, in addition, the utility model discloses a remote sensing mapping mechanism who sets up rotatable regulation commentaries on classics board cooperation upside and set up uses, lets the remote sensing mapping subassembly can adjust in a flexible way.

Drawings

The accompanying drawings, which form a part hereof, 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 invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a portable remote geographic information mapping device according to an embodiment of the present invention;

fig. 2 is a rear cross-sectional view of a portable remote geographic information mapping device according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a portable remote sensing mapping device for geographic information according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portable remote geographic information mapping device B according to an embodiment of the present invention;

fig. 5 is an enlarged view of a portable remote sensing mapping device C according to an embodiment of the present invention;

fig. 6 is a schematic diagram of embodiment 3 of a portable remote geographic information mapping device according to an embodiment of the present invention.

Description of reference numerals:

1. a substrate; 2. a lower support plate; 3. a screw rod; 4. rotating the plate; 5. a limiting rod; 6. a change support mechanism; 6.1, a vertical plate; 6.2, adjusting the support block; 6.3, adjusting the rotating rod; 6.4, universal wheels; 6.5, fixing the cone; 6.6, locking block; 6.7, locking the support plate; 6.8, locking the screw rod; 6.9, locking the rotating plate; 7. an upper support plate; 8. a height adjustment mechanism; 8.1, outer blocks; 8.2, an inner supporting block; 8.3, controlling the groove; 8.4, a spring; 8.5, pushing a clamping block; 8.6, clamping holes; 8.7, a limiting slide block; 8.8, a limiting chute; 9. rotating the support plate; 10. a rotating rod; 11. a locking mechanism; 11.1, locking the square plate; 11.2, a control box; 11.3, a baffle plate; 11.4, locking the fixture block; 11.5, a pull rod; 11.6, a control spring; 12. adjusting the rotating plate; 13. a lower damping rotating shaft; 14. a remote sensing mapping mechanism; 14.1, installing a vertical plate; 14.2, remote sensing mapping instrument; 14.3, an upper damping rotating shaft; 14.4, an angle marking plate; 15. a level gauge; 16. lifting the grab handle; 17. rotating the slide block; 18. the ring groove is rotated.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Real-time example 1: a portable geographic information remote sensing mapping device is disclosed, as shown in figures 1-3 and 5, and comprises a base plate 1, a lower support plate 2, a screw rod 3, a rotating plate 4, a limiting rod 5, a conversion support mechanism 6 and a level gauge 15, wherein the conversion support mechanism 6 comprises a vertical plate 6.1, an adjusting support block 6.2, an adjusting rotating rod 6.3, a universal wheel 6.4, a fixed cone 6.5, a locking block 6.6, a locking support plate 6.7, a locking screw rod 6.8 and a locking rotating plate 6.9, the vertical plate 6.1 is a vertical installation support plate for supporting the adjusting support block 6.2, the adjusting support block 6.2 is connected with the vertical plate 6.1 through the adjusting rotating rod 6.3, so that the adjusting support block 6.2 can be ensured to rotate between the vertical plate 6.1, the adjusting rotating rod 6.3 can be replaced by a rotating shaft for connection so as to achieve a rotating function, the universal wheel 6.4 and the fixed cone 6.5 are respectively arranged at the bottom end of the adjusting support block 6.2 and the top end of the adjusting support block can be changed into a universal wheel 6.5 or a rotating shaft with the universal wheel 6.5 facing towards the adjusting support block, the universal wheel 6.4 can make things convenient for the device to remove, the fixed cone 6.5 can make things convenient for the device to fix, for ensureing that adjust a 6.2 turned angle at every turn for 180 and can lock, peg graft through locking block 6.6 and can realize the fixed of angle like locking screw 6.8, ensure to adjust a 6.2 and can not appear rotating problem at will when universal wheel 6.4 and fixed cone 6.5 use.

The screw rod 3 can control the lower support plates 2 to move up and down, the four lower support plates 2 arranged at the front and back of the two sides of the bottom end of the substrate 1 are of independent control structures, the heights of the transformation support mechanisms 6 can be controlled to be different, the transformation support mechanisms 6 can be controlled to adapt to different ground conditions, and the device can be ensured to be always kept in a horizontal state when being used in cooperation with the level gauge 15; the bottom of the screw rod 3 is rotatably connected with the lower support plate, and the screw rod 3 is in threaded connection with the substrate 1, so that the relative position of the lower support plate 2 and the substrate 1 is prevented from rotating, and the problem that the adjustment cannot be performed is solved, therefore, the limiting rod 5 plays a role in limiting the lower support plate 2, and the problem that the rotation of the lower support plate 2 cannot be adjusted in the adjustment process is prevented.

Example 2: a portable geographic information remote sensing mapping device is disclosed, as shown in FIGS. 1-3, and comprises a height adjusting mechanism 8 on the basis, wherein the height adjusting mechanism 8 comprises an outer support block 8.1, an inner support block 8.2, a control groove 8.3, a spring 8.4, a pushing fixture block 8.5, a clamping hole 8.6, a limiting slide block 8.7 and a limiting slide groove 8.8, the inner support block 8.2 is movably inserted inside the outer support block 8.1 to ensure that the inner support block 8.2 can move up and down inside the outer support block 8.1, the pushing fixture block 8.5 is pushed by the spring 8.4 to be clamped inside the clamping hole 8.6 to realize the support of the height of the inner support block 8.2, the clamping hole 8.6 is arranged on the front and rear walls of the outer support block 8.1, the clamping hole 8.6 is arranged on the outer support block 8.1, the height of the inner support block 8.2 can be conveniently adjusted, the limiting slide block 8.7 and the limiting slide groove 8.8 can ensure that the pushing fixture block 8.5 and the outer support block can not be separated from the control groove 8.1 through the motor and the replacement of the motor 8.8, the height of the inner support 8.2 is changed by connecting the threaded rod.

Example 3: a portable geographic information remote sensing mapping device is disclosed, as shown in FIGS. 1-3 and 4, and comprises a rotating support plate 9, a rotating rod 10, a locking mechanism 11, an adjusting mechanism 12, a lower damping rotating shaft 13, a remote sensing mapping mechanism 14, a lifting handle 16, a rotating slider 17 and a rotating chute 18, wherein the locking mechanism 11 comprises a locking square plate 11.1, a control box 11.2, a baffle plate 11.3, a locking fixture block 11.4, a pull rod 11.5 and a control spring 11.6, the locking fixture block 11.4 is directly clamped on the locking square plate 11.1, the locking square plate 11.1 cannot rotate and limits the rotating support plate 9, the rotating support plate 9 cannot rotate, the pressure applied downwards by the locking fixture block 11.4 depends on the force pushed downwards by the control spring 11.6 to ensure the stability of the locking fixture block 11.4 on the locking square plate 11.1, the locking mechanism 11 is used for replacing the U-shaped pull rod 11.5 with an L-shaped connecting plate, with control box 11.2, baffle 11.3 control spring 11.6 replacement become the connection of screw rod structure and connecting plate, carry out lift adjustment to the connecting plate through the rotation control of screw rod structure, and then realize the upper and lower control to locking fixture block 11.4, guarantee to realize that locking mechanism 11 originally is to the limiting capacity of rotating extension board 9.

Remote sensing mapping mechanism 14 is including installation riser 14.1, remote sensing mapping appearance 14.2, go up damping pivot 14.3 and angle sign board 14.4, connect through last damping pivot 14.3 between installation riser 14.1 and the remote sensing mapping appearance 14.2, under the not high condition of weight of remote sensing mapping appearance 14.2 itself, rely on damping pivot 14.3's use to let remote sensing mapping appearance 14.2 can stop on arbitrary angle in free rotation, make things convenient for the regulation of remote sensing mapping appearance 14.2 survey port orientation direction from top to bottom, and bottom is adjusted and is changeed board 12 and can rotate, drive top remote sensing mapping mechanism 14 simultaneously and rotate the convenient direction that changes the survey and drawing, the angle sign board 14.4 of setting can confirm remote sensing mapping appearance 14.2 pivoted position.

The use of the rotating slider 17 and the rotating chute 18 ensures that the adjusting rotating plate 12 rotates normally on the rotating support plate 9, and at the same time, after the rotating support plate 9 rotates, the adjusting support plate 12 and the remote sensing surveying and mapping mechanism 14 do not fall and separate due to the self-gravity.

In the specific implementation of the utility model, as shown in fig. 1-5, when in specific use, the connection between the locking screw rod 6.8 and the locking block 6.6 is released by the rotation of the locking rotating plate 6.9, then the rotation of the adjusting supporting block 6.2 is controlled to lead the direction of the fixing cone 6.5 to be downward, the connection and locking between the locking screw rod 6.8 and the locking block 6.6 are controlled again, the rotation of the rotating plate 4 is controlled to adjust the up-and-down movement of the transformation supporting mechanism 6 by the rotation of the screw rod 3, the leveller 15 is matched to ensure that the device is kept horizontal after adjusting the height of each transformation supporting mechanism 6, then the fixing cone 6.5 is used for fixing, the pushing block 8.5 is pressed to enter the control groove 8.3 for releasing the support, then the upper supporting plate 7 is pulled upwards for realizing the adjustment of the height of the device, the pushing block 8.5 is pushed out to clamp the clamping hole 8.6 again by the reaction force of the spring 8.4 after the adjustment is finished, the fixation after the adjustment is realized, then the remote sensing surveying instrument 14.2 is changed by the control of the adjusting supporting plate 12 and the upper damping rotating shaft 14.3, survey and drawing can be carried out to different position, remove locking fixture block 11.4 and locking square plate 11.1's connection through pull-up rod 11.5 after the use is accomplished, control is rotated extension board 9 and is rotated 180, let remote sensing mapping mechanism 14 towards the downside, will carry and draw grab handle 16 to the upside, reduce the control that remote sensing mapping mechanism 14 took, then utilize control spring 11.6's reaction force to let locking fixture block 11.4 and locking square plate 11.1 connect again, remove the connection of locking lead screw 6.8 and locking piece 6.6, control regulation supporting shoe 6.2 rotates, let universal wheel 6.4 down, through carrying and drawing grab handle 16 and universal wheel 6.4's use, make things convenient for controlling means to remove.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A portable geographic information remote sensing mapping device is characterized by comprising a base plate (1), wherein four corners of the bottom of the base plate (1) are adjustably provided with a transformation supporting mechanism (6);

a height adjusting mechanism (8) is installed at the top of the base plate (1), an upper support plate (7) is installed on the height adjusting mechanism (8), and a locking mechanism (11) is installed on the upper support plate (7);

the remote sensing drawing and measuring mechanism is rotatably arranged on the upper support plate (7) through a rotating support plate (9) and is limited through a locking mechanism (11).

2. A portable remote sensing mapping apparatus for geographic information according to claim 1, further comprising: all be equipped with down extension board (2) around base plate (1) bottom both sides, extension board (2) top front side is rotated down and is connected with lead screw (3), lead screw (3) upper end is connected and is extended to its top through helicitic texture with base plate (1), lead screw (3) top is equipped with commentaries on classics board (4), extension board (2) top rear side is equipped with gag lever post (5) of pegging graft in base plate (1) down.

3. A portable remote sensing mapping apparatus for geographic information according to claim 2, further comprising: the side all is equipped with riser (6.1) around extension board (2) bottom down, changes supporting mechanism and installs between two risers, changes supporting mechanism (6) and includes: adjust a piece (6.2), universal wheel (6.4), fixed awl (6.5), adjust a piece (6.2) both ends and rotate through adjusting bull stick (6.3) and install between two riser (6.1), universal wheel (6.4), fixed awl (6.5) set up respectively in the upper and lower both ends of adjusting a piece (6.2).

4. A portable remote sensing mapping apparatus for geographic information according to claim 3, wherein: the rear side adjust bull stick (6.3) rear end and extend to riser (6.1) rear side and be equipped with locking piece (6.6), be equipped with the guide hole structure on locking piece (6.6), the rear side riser (6.1) rear end upside is equipped with locking extension board (6.7), locking extension board (6.7) are gone up and are equipped with locking screw (6.8) through the connection of helicitic texture, inside the guide hole structure of locking piece (6.6) is pegged graft to locking screw (6.8) bottom, locking screw (6.8) top is equipped with locking commentaries on classics board (6.9).

5. A portable remote sensing mapping apparatus for geographic information according to claim 1, further comprising: height adjusting mechanism (8) are including setting up in outer piece (8.1) of base plate (1) top both sides, outer piece (8.1) inside grafting is equipped with interior piece (8.2) of being connected with last extension board (7), interior piece (8.2) inside front and back end all is equipped with control tank (8.3), the inside one end that is close to each other of control tank (8.3) is equipped with spring (8.4), the one end that spring (8.4) kept away from each other is equipped with top and pushes away fixture block (8.5), all be equipped with card hole (8.6) that a plurality of upper and lower evenly distributed cooperations top and push away fixture block (8.5) and use on outer piece (8.1) preceding back wall.

6. A portable remote sensing mapping apparatus for geographic information according to claim 5, wherein: the top surface and the bottom surface of the pushing clamping block (8.5) are provided with limiting sliding blocks (8.7) at the ends close to the spring (8.4), and limiting sliding grooves (8.8) matched with the limiting sliding blocks (8.5) for use are formed in the top surface and the bottom surface of the control groove (8.3).

7. A portable remote sensing mapping apparatus for geographic information according to claim 3, wherein: the upper support plate (7) is U-shaped, the rotating support plate (9) is rotatably installed in a U-shaped groove of the upper support plate (7) through a rotating rod (10), an adjusting rotating plate (12) is arranged at the top end of the rotating support plate (9), the center of the lower end of the adjusting rotating plate (12) is connected with the rotating support plate (9) through a lower damping rotating shaft (13), and the remote sensing surveying and mapping mechanism is installed at the top end of the adjusting rotating plate (12);

the adjusting device is characterized in that T-shaped rotating sliding blocks (17) are arranged on two sides of the bottom end of the adjusting rotating plate (12), an annular rotating ring groove (18) matched with the rotating sliding blocks (17) to use is formed in the rotating supporting plate (9), and the lower ends of the rotating sliding blocks (17) are inserted into the rotating ring groove (18).

8. A portable remote sensing mapping apparatus for geographic information according to claim 1, further comprising: locking mechanism (11) are including locking square plate (11.1), fixed cover of locking square plate (11.1) is connected on bull stick (10), it is equipped with control box (11.2) to go up one side that spirit level (15) were kept away from to extension board (7) top surface, the inside bottom of control box (11.2) is equipped with baffle (11.3) that cooperate its to use, locking square plate (11.1) top cup joints and is equipped with locking fixture block (11.4) that cooperate its to use, locking fixture block (11.4) top is equipped with pull rod (11.5) of U-shaped, the other end of pull rod (11.5) extends to the inside union barrel baffle (11.3) of control box (11.2) and connects, baffle (11.3) upper end is equipped with control spring (11.6) of cup jointing in pull rod (11.5).

9. A portable remote sensing mapping apparatus for geographic information according to claim 7, further comprising: remote sensing mapping mechanism (14) is including setting up in installation riser (14.1) of adjusting commentaries on classics board (12) top both sides, position upside between installation riser (14.1) is equipped with remote sensing surveying instrument (14.2), rotate through being equipped with damping pivot (14.3) between remote sensing surveying instrument (14.2) both ends and installation riser (14.1) and connect, it is equipped with annular angle sign board (14.4) of cup jointing in regulation commentaries on classics board (12) to rotate extension board (9) top.

10. A portable remote sensing mapping apparatus for geographical information according to claim 1, wherein: a level gauge (15) is arranged at the other side of the top end of the upper support plate (7) positioned at the locking mechanism (11), and a lifting grab handle (16) is arranged at the middle position of the bottom end of the rotating support plate (9).

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