Combined soil sampler

Abstract

The utility model discloses a combined soil sampler which comprises a stand column, a connecting plate is fixedly connected to the bottom of the stand column, an empty box is fixedly connected to the connecting plate through a bolt, a sampling cylinder is arranged on the side, away from the connecting plate, of the empty box, a combined mechanism is arranged in the empty box, and the combined mechanism comprises a stand block. The utility model relates to the technical field of soil samplers, in particular to a combined type soil sampler, which realizes the combined installation of the soil sampler through the matching of a double-thread screw rod, a hand wheel, a sleeve, a connecting column, a sliding rod, an inserting plate, an inserting groove and a vertical block, and solves the problem that the existing soil sampler is inconvenient to carry when being carried by a worker. The problems that most soil samplers are integrated, so that the length of the soil samplers is large, the soil samplers cannot be combined and installed, a worker is troublesome to carry the soil samplers, and the worker cannot conveniently carry the soil samplers are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil sampler technical field, concretely is a combined soil sampler. BACKGROUND

[0002] Soil sampler is a tool for obtaining soil samples. The soil drill is composed of a drill bit made of hard material (steel or hard plastic) and a handle. The drill bit is usually spiral or cylindrical. The top end of the spiral drill bit is a pair of sharp cutting edges that can rotate into the soil. Next to the cutting edge is an enlarged soil cavity. As the handle rotates downward into the soil surface, it can guide the soil sample from the desired soil layer into the cavity.

[0003] For example, the soil sampler with publication number CN221238678U includes a support frame, a pressing sleeve, a sampling cylinder, and a hand wheel. The pressing sleeve is threadedly connected to the support frame, and the top of the sampling cylinder is fixedly connected to the bottom end of the pressing sleeve. Although the above-mentioned document can make the movable rod drive the soil discharge plate to move downward, the soil discharge plate can take out the soil sample in the sampling cylinder, thereby facilitating the sampling process.

[0004] However, the existing soil sampler is mostly integrated, which makes the length of the soil sampler relatively long, and the soil sampler cannot be combined and installed, causing the staff to carry the soil sampler, which is relatively troublesome, and thus it is inconvenient for the staff to carry the soil sampler. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a combined soil sampler, which solves the problem that the existing soil sampler is mostly integrated, which makes the length of the soil sampler relatively long, and the soil sampler cannot be combined and installed, causing the staff to carry the soil sampler, which is relatively troublesome, and thus it is inconvenient for the staff to carry the soil sampler.

[0006] In order to achieve the above object, the utility model discloses a combined soil sampler, including stand, the bottom fixed connection of stand is connected with the connecting plate, the connecting plate is fixedly connected with the empty case through bolt, the side away from the connecting plate of empty case is provided with the sampling cylinder, the inside of empty case is provided with combination mechanism, combination mechanism includes: the vertical block is inserted in the inside of empty case, and the bottom is fixedly connected to the outer wall of sampling cylinder, the both sides of the inner wall of vertical block are provided with the slot, the inner wall of the slot is inserted with the plug -in board, the side away from each other of the plug -in board is fixedly connected with the connecting column, the inner wall of connecting column is slidably connected with the slide rod, and both ends are fixedly connected with the inner wall of empty case, the inner wall of connecting column is threadedly connected with the double -end screw, and both ends are rotatably connected with the inner wall of empty case through bearing, the inside of empty case is provided with the protection assembly, wherein, first the vertical block is driven under the sampling cylinder, and then the connecting column of both sides is driven under the double -end screw, moves on the slide rod, so that the plug -in board is inserted into the slot, and the soil sampler is combined and installed, and the sampling cylinder is covered by the protection assembly, and the staff is protected.

[0007] Preferably, the protection assembly comprises: a shell fitted to the outer wall of the sampling cylinder; a clamping block inserted into the inner wall of the shell, penetrating the empty box, and movably connected with the empty box; a vertical column fixedly connected to the inner wall bottom of the empty box; a spring having two ends respectively fixedly connected to the side away from the shell of the clamping block and the side close to the clamping block of the vertical column; wherein the shell is covered on the sampling cylinder, at this time the clamping block is inserted into the insertion hole of the inner wall of the shell, the clamping block is tightly pressed in the insertion hole of the inner wall of the shell by the elastic force of the spring, the sampling cylinder is covered, and the staff is protected.

[0008] Preferably, the side close to the vertical column of the clamping block is fixedly connected with a cross bar, the cross bar is sleeved in the inner wall of the spring, and the cross bar penetrates the vertical column and is movably connected with the vertical column.

[0009] Preferably, the end of the double-end screw is inserted with a sleeve, and the side away from the connecting column of the sleeve is fixedly connected with a hand wheel.

[0010] Preferably, the top of the stand is fixedly connected with a handle on both sides, and the outer wall of the two handles is fixedly connected with a rubber sleeve.

[0011] Beneficial effects

[0012] The utility model provides a combined soil sampler. Have the following beneficial effect: this combined soil sampler passes through the cooperation between double -end screw rod, hand wheel, sleeve, connecting column, slide bar, plug -in board, plug -in groove and vertical block, has realized to the soil sampler combination installation, has carried out to its for the staff, has solved the soil sampler of existing soil sampler when the staff carries, because the soil sampler is mostly integral, leads to the length of soil sampler is relatively long, cannot carry out the combination installation to the soil sampler, causes the staff to carry to be relatively troublesome, thereby is inconvenient for the staff to carry the problem of soil sampler.

[0013] Through the cooperation between the clamping block, the spring, the horizontal rod, the vertical column and the shell, the sampling cylinder is covered, the staff is protected, and the problem that the staff is injured when moving the soil sampler is solved because the bottom of the sampling cylinder has a sawtooth structure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is Figure 1 a schematic view of the appearance;

[0016] Figure 3 It is Figure 1 a structural schematic view of the double-end screw rod, the connecting column and the plug-in board in the utility model;

[0017] Figure 4 It is Figure 1 a structural schematic view of the clamping block, the spring and the vertical column.

[0018] In the drawing: 1, stand column; 11, handle; 12, rubber sleeve; 2, connecting plate; 3, empty box; 4, sampling cylinder; 5, combination mechanism; 51, double-end screw rod; 511, hand wheel; 512, sleeve; 52, connecting column; 53, slide bar; 54, plug-in board; 55, plug-in groove; 56, vertical block; 57, protection assembly; 571, clamping block; 572, spring; 5721, horizontal rod; 573, vertical column; 574, shell. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0020] The existing soil sampler is integrated, and the length of the soil sampler is relatively long, so the soil sampler cannot be combined and installed, and the worker is inconvenient to carry the soil sampler.

[0021] Therefore, the utility model provides a combined soil sampler, through the cooperation between the double -end screw rod, hand wheel, sleeve, connecting column, slide rod, plug -in board, slot and vertical block, realize to the soil sampler combination installation, convenient staff carries, solved existing soil sampler when the worker carries, because the soil sampler mostly is integrated, leading to the length of the soil sampler is relatively long, cannot be combined and installed to the soil sampler, cause the worker to carry to be relatively troublesome, so the worker is inconvenient to carry the soil sampler.

[0022] Through the personnel in the field, the parts in the case are connected in turn, and the specific connection and operation sequence should be referred to the working principle. The detailed connection means is the public known technology in the field, and the working principle and process are mainly introduced.

[0023] Example 1, by Figures 1 to 4It can be known that the combined soil sampler in the case comprises a stand column 1, the bottom of the stand column 1 is fixedly connected with a connecting plate 2, when the soil sampler is combined, the staff rotates the stand column 1, the stand column 1 drives the connecting plate 2 to rotate, the connecting plate 2 is fixedly connected with an empty box 3 through bolts, the staff rotates the bolts on the connecting plate 2, and the connecting plate 2 is fixed to the empty box 3 to combine and install the soil sampler, a sampling cylinder 4 is arranged on the side, away from the connecting plate 2, of the empty box 3, the connecting plate 2 drives the empty box 3 to rotate, the connecting plate 2 drives the empty box 3 to rotate, the empty box 3 drives the sampling cylinder 4 to rotate, the sampling cylinder 4 is circular in shape, and the top of the sampling cylinder 4 is provided with a sawtooth structure, the top sampling cylinder 4 samples soil, and the soil is sampled, after sampling is completed, the staff takes out the soil in the sampling cylinder 4, the soil in the sampling cylinder 4 is taken out, a combination mechanism 5 is arranged in the empty box 3, the combination mechanism 5 comprises a vertical block 56, the vertical block 56 is inserted into the inside of the empty box 3 and is fixedly connected to the outer wall of the sampling cylinder 4 at the bottom, when the staff carries the soil sampler to a working position, the staff moves the sampling cylinder 4, the sampling cylinder 4 drives the vertical block 56 to move, the vertical block 56 is inserted into the empty box 3, a slot 55 is formed in the inner wall of the vertical block 56 on both sides, a plug-in plate 54 is inserted into the inner wall of the slot 55, the plug-in plates 54 on both sides are inserted into the slot 55 to fix the vertical block 56, after completion, the double-headed screw rod 51 is stopped from rotating, and the soil sampler is combined together, when the soil sampler is completed, the double-headed screw rod 51 is rotated in the reverse direction, so that the fixing of the vertical block 56 is released, the sampling cylinder 4 is separated from the stand column 1, the soil sampler is combined and installed, the staff can conveniently carry the soil sampler, a connecting column 52 is fixedly connected to the side, away from each other, of the plug-in plate 54, the connecting columns 52 on both sides drive the plug-in plate 54 to move, a sliding rod 53 is slidingly connected to the inner wall of the connecting column 52, the connecting columns 52 on both sides slide on the sliding rod 53, the sliding rod 53 positions the connecting columns 52, and both ends of the sliding rod 53 are fixedly connected to the inner walls of the empty box 3 on both sides, a double-headed screw rod 51 is threadedly connected to the inner wall of the connecting column 52, so that the double-headed screw rod 51 rotates, the double-headed screw rod 51 drives the connecting column 52 to move, both ends of the double-headed screw rod 51 are rotatably connected to the inner wall of the empty box 3 through bearings, and a protection assembly 57 is arranged in the inside of the empty box 3, wherein, firstly, the vertical block 56 is driven by the sampling cylinder 4 to be inserted into the empty box 3, then the connecting columns 52 on both sides are driven by the double-headed screw rod 51 to move on the sliding rod 53, so that the plug-in plate 54 is inserted into the slot 55, the soil sampler is combined and installed, and the sampling cylinder 4 is covered by the protection assembly 57 to protect the staff;

[0024] In the specific implementation process, it is particularly worth pointing out that when the soil sampler is assembled, the staff rotates the stand column 1, which drives the connecting plate 2 to rotate, and the staff rotates the bolt on the connecting plate 2 to fix the connecting plate 2 to the empty box 3, thereby assembling and installing the soil sampler. The connecting plate 2 drives the empty box 3 to rotate, and the empty box 3 drives the sampling cylinder 4 to rotate. The sampling cylinder 4 is circular in shape, and the top of the sampling cylinder 4 is provided with a sawtooth structure. The top sampling cylinder 4 samples the soil, and the sampling of the soil begins. After the sampling is completed, the staff takes out the soil in the sampling cylinder 4, and takes out the soil in the sampling cylinder 4. When the staff carries the soil sampler to the working position, the staff moves the sampling cylinder 4, which drives the stand block 56 to move. The stand block 56 is inserted into the empty box 3, so that the double-headed screw rod 51 rotates. The double-headed screw rod 51 drives the connecting column 52 to move, and the connecting columns 52 on both sides slide on the slide rod 53. The slide rod 53 limits the connecting column 52. The connecting columns 52 on both sides drive the insertion plate 54 to move, and the insertion plates 54 on both sides are inserted into the insertion slot 55 to fix the stand block 56. After completion, stop rotating the double-headed screw rod 51, and assemble the soil sampler together. When the soil sampler works, rotate the double-headed screw rod 51 in the opposite direction to release the fixation of the stand block 56, separate the sampling cylinder 4 from the stand column 1, and realize the assembly and installation of the soil sampler, which is convenient for the staff to carry.

[0025] Further, the protection assembly 57 comprises four groups of protection assemblies 57 arranged at the front, rear, left and right positions of the shell 574. The shell 574 is matched with the shape of the sampling cylinder 4 and is attached to the outer wall of the sampling cylinder 4. When the staff carries the soil sampler, the staff first puts the shell 574 into the sampling cylinder 4. The clamping block 571 is inserted into the inner wall of the shell 574 and penetrates the empty box 3. At this time, the shell 574 first extrudes the clamping block 571, the clamping block 571 compresses the spring 572, and the clamping block 571 is movably connected with the vertical column 573 of the empty box 3. When the clamping block 571 moves to the insertion hole position of the inner wall of the shell 574, the spring 572 rebounds at this time, drives the clamping block 571 to move in the empty box 3 through the elastic force, the clamping block 571 is inserted into the insertion hole of the inner wall of the shell 574, and the shell 574 is fixed and connected to the inner wall bottom of the empty box 3. The spring 572 is made of carbon spring steel, and the spring coefficient of the spring 572 is selected according to actual needs, which meets the work. The two ends are fixed and connected to the side of the clamping block 571 away from the shell 574 and the side of the vertical column 573 close to the clamping block 571. When the staff needs to use the soil sampler, the staff can pull the shell 574 out of the sampling cylinder 4, which can cover the sampling cylinder 4 and protect the staff. When the shell 574 is covered on the sampling cylinder 4, the clamping block 571 is inserted into the insertion hole of the inner wall of the shell 574, and the clamping block 571 is tightly pressed in the insertion hole of the inner wall of the shell 574 through the elastic force of the spring 572, so as to cover the sampling cylinder 4 and protect the staff;

[0026] In the specific implementation process, it is particularly worth pointing out that the material of the spring is carbon spring steel, and the spring coefficient of the spring is selected according to actual needs, which meets the work. The protection assembly 57 comprises four groups of protection assemblies 57 arranged at the front, rear, left and right positions of the shell 574. The shell 574 is matched with the shape of the sampling cylinder 4 and is attached to the outer wall of the sampling cylinder 4. When the staff carries the soil sampler, the staff first puts the shell 574 into the sampling cylinder 4. At this time, the shell 574 first extrudes the clamping block 571, the clamping block 571 compresses the spring 572, and the clamping block 571 is movably connected with the vertical column 573 of the empty box 3. When the clamping block 571 moves to the insertion hole position of the inner wall of the shell 574, the spring 572 rebounds at this time, drives the clamping block 571 to move in the empty box 3 through the elastic force, the clamping block 571 is inserted into the insertion hole of the inner wall of the shell 574, and the shell 574 is fixed and connected to the inner wall bottom of the empty box 3. The spring 572 is made of carbon spring steel, and the spring coefficient of the spring 572 is selected according to actual needs, which meets the work. The two ends are fixed and connected to the side of the clamping block 571 away from the shell 574 and the side of the vertical column 573 close to the clamping block 571. When the staff needs to use the soil sampler, the staff can pull the shell 574 out of the sampling cylinder 4, which can cover the sampling cylinder 4 and protect the staff. When the shell 574 is covered on the sampling cylinder 4, the clamping block 571 is inserted into the insertion hole of the inner wall of the shell 574, and the clamping block 571 is tightly pressed in the insertion hole of the inner wall of the shell 574 through the elastic force of the spring 572, so as to cover the sampling cylinder 4 and protect the staff.

[0027] Further, the card block 571 is fixedly connected with a cross rod 5721 on one side close to the vertical column 573. When the card block 571 drives the spring 572 to move, the card block 571 drives the cross rod 5721 to move. The cross rod 5721 is sleeved on the inner wall of the spring 572. The cross rod 5721 penetrates through the vertical column 573 and is movably connected with the vertical column 573. The cross rod 5721 moves in the vertical column 573 to limit the spring 572, so that the spring 572 is prevented from being bent when moving;

[0028] In the specific implementation process, it is worth pointing out that when the card block 571 drives the spring 572 to move, the card block 571 drives the cross rod 5721 to move. The cross rod 5721 moves in the vertical column 573 to limit the spring 572, so that the spring 572 is prevented from being bent when moving;

[0029] Further, the end of the double-headed screw 51 is inserted with a sleeve 512. When the double-headed screw 51 is rotated, the worker inserts the sleeve 512 into the left end of the double-headed screw 51. The side of the sleeve 512 away from the connecting column 52 is fixedly connected with a hand wheel 511. Then the worker rotates the hand wheel 511. The hand wheel 511 drives the sleeve 512 to rotate. The sleeve 512 drives the double-headed screw 51 to rotate. After rotation, the worker takes out the sleeve 512 from the double-headed screw 51, so that other personnel is prevented from rotating the hand wheel 511;

[0030] In the specific implementation process, it is worth pointing out that when the double-headed screw 51 is rotated, the worker inserts the sleeve 512 into the left end of the double-headed screw 51. Then the worker rotates the hand wheel 511. The hand wheel 511 drives the sleeve 512 to rotate. The sleeve 512 drives the double-headed screw 51 to rotate. After rotation, the worker takes out the sleeve 512 from the double-headed screw 51, so that other personnel is prevented from rotating the hand wheel 511;

[0031] Specifically, when the staff carries the soil sampler as a whole, the staff first puts the shell 574 into the sampling barrel 4, at this time, the shell 574 first extrudes the clamping block 571, the clamping block 571 compresses the spring 572, the clamping block 571 drives the cross rod 5721 to move, the cross rod 5721 moves in the vertical column 573, when the clamping block 571 moves to the insertion hole position of the inner wall of the shell 574, at this time the spring 572 rebounds, and drives the clamping block 571 to move in the empty box 3 through the elastic force, the clamping block 571 is inserted into the insertion hole in the inner wall of the shell 574, and the shell 574 is fixed, after the staff carries the soil sampler to the working position, the staff moves the sampling barrel 4, the sampling barrel 4 drives the vertical block 56 to move, the vertical block 56 is inserted into the empty box 3, after that, the staff inserts the sleeve 512 into the left end of the double-headed screw rod 51, the sleeve 512 is fixedly connected to the hand wheel 511 away from the side of the connecting column 52, then the staff rotates the hand wheel 511, the hand wheel 511 drives the sleeve 512 to rotate, the sleeve 512 drives the double-headed screw rod 51 to rotate, the double-headed screw rod 51 moves the connecting column 52, the connecting column 52 on both sides slides on the sliding rod 53, the sliding rod 53 limits the connecting column 52, the connecting column 52 on both sides drives the insertion plate 54 to move, the insertion plate 54 on both sides is inserted into the insertion slot 55, and the vertical block 56 is fixed, after that, stop rotating the double-headed screw rod 51, the staff rotates the screw on the connecting plate 2, and fixes the connecting plate 2 to the empty box 3, and the soil sampler is combined together, the staff rotates the vertical column 1, the vertical column 1 drives the connecting plate 2 to rotate, the connecting plate 2 drives the empty box 3 to rotate, the empty box 3 drives the sampling barrel 4 to rotate, and the soil is sampled, after sampling, the staff takes out the soil in the sampling barrel 4, and takes out the soil in the sampling barrel 4.

[0032] In example 2, by Figure 1 and 2 It can be known that the top of the vertical column 1 is fixedly connected with the handle 11 on both sides, then the staff rotates the handle 11, so that the sampling barrel 4 rotates to sample the soil, the outer wall of the two handles 11 is fixedly connected with the rubber sleeve 12, when the staff rotates the soil sampler, the staff holds the rubber sleeve 12 on both sides of the handle 11, the rubber sleeve 12 increases the friction between the handle 11 and the staff, so as to avoid slipping;

[0033] In the specific implementation process, it is particularly pointed out that when the staff rotates the soil sampler, the staff holds the rubber sleeve 12 on both sides of the handle 11, the rubber sleeve 12 increases the friction between the handle 11 and the staff, so as to avoid slipping, then the staff rotates the handle 11, so that the sampling barrel 4 rotates to sample the soil;

[0034] Specifically, when the staff rotates the soil sampler, the staff holds the rubber sleeve 12 on the two side handles 11, and then the staff rotates the handle 11, so that the sampling cylinder 4 is rotated to sample the soil.

[0035] It is to be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, inclusion of an element by use of the phrase "comprising a..." does not exclude the presence of additional like elements.

[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connecting" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by the ordinary skilled in the art according to the specific circumstances.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A modular soil sampler comprising a mast (1) characterised in that: The bottom of the column (1) is fixedly connected with a connecting plate (2), the connecting plate (2) is fixedly connected with an empty box (3) through a bolt, the empty box (3) is provided with a sampling cylinder (4) away from the connecting plate (2), the inside of the empty box (3) is provided with a combination mechanism (5), the combination mechanism (5) comprises: A stand block (56) is inserted into the inside of the empty box (3) and is fixedly connected to the outer wall of the sampling cylinder (4) at the bottom; A slot (55) is formed in the inner wall of the stand block (56) on both sides; A plug-in plate (54) is inserted into the inner wall of the slot (55); A connecting column (52) is fixedly connected to the inner wall of the plug-in plate (54) away from each other; A sliding rod (53) is slidingly connected to the inner wall of the connecting column (52) and is fixedly connected to the inner wall of the empty box (3) at both ends; A double-headed screw rod (51) is threadedly connected to the inner wall of the connecting column (52) and is rotatably connected to the inner wall of the empty box (3) at both ends through a bearing; A protection assembly (57) is arranged in the inside of the empty box (3); Firstly, the stand block (56) is inserted into the empty box (3) under the drive of the sampling cylinder (4), then the connecting columns (52) on both sides are moved on the sliding rod (53) under the drive of the double-headed screw rod (51), so that the plug-in plate (54) is inserted into the slot (55), thereby the soil sampler is combined and installed, and the sampling cylinder (4) is covered by the protection assembly (57) to protect the workers.

2. A combined soil sampler according to claim 1, characterized in that: The protection assembly (57) comprises: A shell (574) is attached to the outer wall of the sampling cylinder (4); A clamping block (571) is inserted into the inner wall of the shell (574) and penetrates through the empty box (3) and is movably connected with the empty box (3); A vertical column (573) is fixedly connected to the inner wall of the empty box (3) at the bottom; A spring (572) is fixedly connected to the side of the clamping block (571) away from the shell (574) and the side of the vertical column (573) close to the clamping block (571) at both ends; When the shell (574) is covered on the sampling cylinder (4), the clamping block (571) is inserted into the insertion hole in the inner wall of the shell (574), the clamping block (571) is tightly pressed in the insertion hole in the inner wall of the shell (574) by the elastic force of the spring (572), the sampling cylinder (4) is covered, and the workers are protected.

3. A combined soil sampler according to claim 2, wherein: The side of the clamping block (571) close to the vertical column (573) is fixedly connected with a cross rod (5721), the cross rod (5721) is sleeved on the inner wall of the spring (572), the cross rod (5721) penetrates through the vertical column (573) and is movably connected with the vertical column (573).

4. The combination soil sampler of claim 1, wherein: A sleeve (512) is inserted into the end of the double-headed screw rod (51), the side of the sleeve (512) away from the connecting column (52) is fixedly connected with a hand wheel (511).

5. The combination soil sampler of claim 1, wherein: The top of the column (1) is fixedly connected with a handle (11) on both sides, the outer wall of the two handles (11) is fixedly connected with a rubber sleeve (12).

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