CN213956817U

CN213956817U - Mechanical automatic sampling robot convenient for replacing clamp

Info

Publication number: CN213956817U
Application number: CN202022725618.8U
Authority: CN
Inventors: 王晓强
Original assignee: Jiangsu Ibiza Tatsu Intelligent Polytron Technologies Inc
Current assignee: Jiangsu Ibiza Tatsu Intelligent Polytron Technologies Inc
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-13
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a conveniently change mechanical automation sampling robot of anchor clamps, including supporter, first motor and second hydraulic telescoping rod, be provided with the power supply box in the supporter, first pivot is connected with first transmission shaft through first bevel gear group, second hydraulic telescoping rod sets up in rotating the bench end, it is provided with third hydraulic telescoping rod to run through on the link, run through respectively on the link and be provided with first sampling mechanism and second sampling mechanism. This convenient mechanical automation sampling robot who changes anchor clamps, first sampling mechanism can sample the coal seam surface, the scraper bowl passes through the bolt and installs on removing the frame, convenient dismantlement is maintained or is changed, second sampling mechanism drives second transmission shaft and helical blade and rotates under the effect of fifth motor, descend under the effect of second hydraulic telescoping rod simultaneously, can gather the coal seam depths, the rotation of tool bit can tentatively smash great piece of coal sample, guarantee that bold coal sample also can be gathered.

Description

Mechanical automatic sampling robot convenient for replacing clamp

Technical Field

The utility model relates to a coal sampling correlation technique field specifically is a conveniently change mechanical automation sampling robot of anchor clamps.

Background

Coal entering a factory is generally subjected to test detection after sampling, and the coal carried by a train is common in China and is used for more train carriages, so that a sampling device needs to be moved in the sampling process, and the sampling method of the sampling device conforms to the national GB/T19494.2-2004 mechanical coal sampling standard; the sampling device can quickly, reliably and safely carry out coal sample sampling operation on the train; according to the regulation of GB/T19494.2-2004 mechanical sampling for coal, three-point or five-point automatic sampling is carried out from the top of the train carriage along the diagonal line of the carriage or random point selection sampling is carried out under automatic control of a computer, however, most of the existing sampling devices carry out coal shoveling sampling on the surface of the coal bed of the carriage through clamps, the deep part of the coal bed cannot be sampled, the sampling effect is poor, and the clamps for sampling are inconvenient to disassemble and replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently change mechanical automation sampling robot of anchor clamps to solve the most coal sample shovels through anchor clamps on carriage coal seam surface of the nevertheless current sampling device that provides in the above-mentioned background art, can not sample coal seam deep department, the sampling effect is relatively poor, and inconvenient anchor clamps to the sampling dismantle the problem of changing.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical automatic sampling robot convenient for replacing a clamp, which comprises a support body, a first motor and a second hydraulic telescopic rod,

the support body is internally provided with a power box, the lower end of the support body is provided with a track wheel, the track wheel is connected with a track, the upper end of the support body is provided with a first hydraulic telescopic rod, the upper end of the first hydraulic telescopic rod is connected with a fixed frame, and the upper end of the fixed frame, close to the left side, is provided with a collecting box;

the first motor is arranged at the lower end of the fixing frame and is connected with the first rotating shaft, the first rotating shaft is connected with the first transmission shaft through the first bevel gear set, and the upper end of the first transmission shaft penetrates through the fixing frame and is connected with the rotating table;

the second hydraulic telescoping rod, the second hydraulic telescoping rod sets up in the revolving stage upper end, and second hydraulic telescoping rod upper end is connected with the link, run through on the link and be provided with third hydraulic telescoping rod, and third hydraulic telescoping rod outer end is connected with the driving frame, run through respectively on the driving frame and be provided with first sampling mechanism and second sampling mechanism, and first sampling mechanism sets up the right side at second sampling mechanism.

Preferably, the rail wheels are arranged in two groups, the rail wheels are symmetrically arranged about the central line of the support body, and each group of rail wheels corresponds to one rail.

Preferably, the first hydraulic telescopic rods and the fixing frame form a telescopic mechanism, and the first hydraulic telescopic rods are provided with two groups.

Preferably, the collecting box is including electro-magnet, crushing roller, second pivot, gear and second motor, and is provided with the electro-magnet in the collecting box, the collecting box inside wall rotates and is connected with the crushing roller, and the crushing roller outer end is connected with the second pivot, the inside wall of collecting box is run through to second pivot outer end, and connects through gear engagement between the second pivot, the rear side the second pivot is connected with the second motor, and the second motor setting is on the collecting box side.

Preferably, the first motor, the first rotating shaft, the first bevel gear set, the first transmission shaft and the rotating table form a rotating mechanism, and the rotating table is in sliding connection with the fixed frame.

Preferably, the second hydraulic telescopic rod and the connecting frame form a telescopic mechanism, and third hydraulic telescopic rods are symmetrically arranged on the connecting frame.

Preferably, the transmission frame is provided with the third motor including third motor, third pivot and first lead screw in the transmission frame, the third motor is connected with the third pivot, and the transmission frame lateral wall is run through to third pivot outer end and is connected with first lead screw, and first lead screw rotates simultaneously and connects on the transmission frame inside wall.

Preferably, the first sampling mechanism includes an i-shaped frame, a fourth motor, a fourth rotating shaft, a second bevel gear set, a second lead screw, a moving frame, a bolt and a bucket, the fourth motor is arranged on the i-shaped frame, the fourth motor is connected with the fourth rotating shaft, the lower end of the fourth rotating shaft penetrates through the i-shaped frame and is connected with the second lead screw through the second bevel gear set, the second lead screw is rotatably connected to the lower end of the i-shaped frame, the moving frame is arranged on the second lead screw in a penetrating manner, the lower end of the moving frame is connected with the bucket through the bolt, and two sections of reverse threads are arranged on the second lead screw.

Preferably, the second sampling mechanism comprises a sliding frame, a transmission pipe, a fifth motor, a fifth rotating shaft, a second transmission shaft, a helical blade and a cutter head, the transmission pipe is arranged at the lower end of the sliding frame, the fifth motor is arranged at the upper end of the sliding frame and is connected with the fifth rotating shaft, the lower end of the fifth rotating shaft penetrates through the sliding frame and is connected with the second transmission shaft, the second transmission shaft is arranged in the transmission pipe, the helical blade and the cutter head are arranged on the second transmission shaft, and the helical blade is arranged above the cutter head.

Compared with the prior art, the beneficial effects of the utility model are that: the mechanical automatic sampling robot convenient for replacing the clamp,

(1) the sampling device moves on the rail through the rail wheels, and the rail is parallel to the rail of the train, so that the position of the sampling device is not deviated in the sampling movement process, the movement of the sampling device is facilitated, and each carriage of the train is conveniently sampled;

(2) the height of the fixing frame is properly adjusted under the action of the first hydraulic telescopic rod, so that the heights of the first sampling mechanism and the second sampling mechanism are higher than the height of coal in a train carriage, the heights of the first sampling mechanism and the second sampling mechanism are adjusted under the action of the second hydraulic telescopic rod, the coal in the carriage can be conveniently contacted, sampling is carried out, then the heights of the first sampling mechanism and the second sampling mechanism are adjusted again under the action of the second hydraulic telescopic rod, and the coal after sampling is conveniently added into a collecting box;

(3) according to the requirements of the conditions, the rotating table can be driven by the first rotating shaft, the first bevel gear set and the first transmission shaft to rotate under the action of the first motor to adjust the positions of the first sampling mechanism and the second sampling mechanism, when the first sampling mechanism is used, the surface of a coal bed can be sampled, the bucket is mounted on the moving frame through bolts, the bucket is convenient to disassemble, maintain or replace, when the second sampling mechanism is used, the second transmission shaft and the spiral blades are driven to rotate under the action of the fifth motor, and meanwhile, the bucket descends under the action of the second hydraulic telescopic rod to collect the deep part of the coal bed, the rotation of the cutter head can preliminarily smash larger coal samples, and large coal samples can be collected;

(4) in the collection case was added to the coal sample after gathering, the collecting box was provided with five, can add corresponding collection case classification and deposit according to the coal of different sampling points sampling, improves sampling data variety and accuracy, and the electro-magnet in the accessible collecting box is got rid of the metallic impurity in the coal sample in addition, carries out preliminary breakage, the subsequent processing of being convenient for to it under the effect of second motor and crushing roller simultaneously.

Drawings

FIG. 1 is a front view of the support body of the present invention;

FIG. 2 is a left side view of the support body of the present invention;

fig. 3 is a schematic structural view of a second sampling mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the collecting box of the present invention;

fig. 5 is a schematic view of a connection structure between a second motor, a gear and a second rotating shaft according to the present invention;

fig. 6 is a schematic structural view of the first sampling mechanism of the present invention.

In the figure: 1. a support body, 2, a power supply box, 3, a rail wheel, 4, a rail, 5, a first hydraulic telescopic rod, 6, a fixed frame, 7, a collection box, 701, an electromagnet, 702, a crushing roller, 703, a second rotating shaft, 704, a gear, 705, a second motor, 8, a first motor, 9, a first rotating shaft, 10, a first bevel gear set, 11, a first transmission shaft, 12, a rotating table, 13, a second hydraulic telescopic rod, 14, a connecting frame, 15, a third hydraulic telescopic rod, 16, a transmission frame, 1601, a third motor, 1602, a third rotating shaft, 1603, a first lead screw, 17, a first sampling mechanism, 1701, an I-shaped frame, 1702, a fourth motor, 1703, a fourth rotating shaft, 1704, a second bevel gear set, 1705, a second lead screw, 1706, a moving frame, 1707, a bolt, 1708, a bucket, 18, a second sampling mechanism, 1801, a sliding frame, 1802, a transmission pipe, 1803, a fifth motor, 1804. fifth rotating shaft 1805, second transmission shaft 1806, helical blade, 1807 and cutter head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a mechanical automatic sampling robot convenient for replacing a clamp is disclosed, as shown in figure 1, figure 2, figure 4 and figure 5, a power box 2 is arranged in a support body 1, the lower end of the support body 1 is provided with track wheels 3, the track wheels 3 are connected with tracks 4, the track wheels 3 are provided with two groups, the track wheels 3 are symmetrically arranged about the central line of the support body 1, each group of track wheels 3 corresponds to one track 4, the track wheels 3 move on the tracks 4, the tracks 4 are parallel to the tracks of a train, the position of the sampling device is ensured not to deviate in the sampling moving process, the movement of the sampling device is facilitated, the sampling treatment of each carriage of the train is facilitated, the upper end of the support body 1 is provided with a first hydraulic telescopic rod 5, the upper end of the first hydraulic telescopic rod 5 is connected with a fixed frame 6, the upper end of the fixed frame 6 is provided with a collecting box 7 near the left side, the first hydraulic telescopic rod 5 and the fixed frame 6 form a telescopic mechanism, the two sets of the first hydraulic telescopic rods 5 are arranged, the height of the fixing frame 6 can be properly adjusted under the action of the first hydraulic telescopic rods 5, the collecting box 7 comprises electromagnets 701, crushing rollers 702, a second rotating shaft 703, gears 704 and a second motor 705, the electromagnets 701 are arranged in the collecting box 7, the inner side wall of the collecting box 7 is rotatably connected with the crushing rollers 702, the outer ends of the crushing rollers 702 are connected with the second rotating shaft 703, the outer ends of the second rotating shaft 703 penetrate through the inner side wall of the collecting box 7, the second rotating shaft 703 is meshed and connected through the gears 704, the second rotating shaft 703 on the rear side is connected with the second motor 705, the second motor 705 is arranged on the side face of the collecting box 7, metal impurities in the coal samples can be adsorbed and removed through the electromagnets 701, and a nameplate can be arranged on each collecting box 7 and used for distinguishing the coal samples sampled at.

As shown in fig. 1, the first motor 8 is disposed at the lower end of the fixing frame 6, the first motor 8 is connected to the first rotating shaft 9, the first motor 8, the first rotating shaft 9, the first bevel gear set 10, the first transmission shaft 11 and the rotating table 12 form a rotating mechanism, the rotating table 12 is slidably connected to the fixing frame 6, the first motor 8 drives the rotating table 12 to rotate through the first rotating shaft 9, the first bevel gear set 10 and the first transmission shaft 11, the first sampling mechanism 17 and the second sampling mechanism 18 are subjected to orientation adjustment, the first rotating shaft 9 is connected to the first transmission shaft 11 through the first bevel gear set 10, and the upper end of the first transmission shaft 11 penetrates through the fixing frame 6 and is connected to the rotating table 12.

As shown in fig. 1, 3 and 6, the second hydraulic telescopic rod 13 is disposed at the upper end of the rotating table 12, the upper end of the second hydraulic telescopic rod 13 is connected to the connecting frame 14, the second hydraulic telescopic rod 13 and the connecting frame 14 form a telescopic mechanism, the connecting frame 14 is symmetrically provided with third hydraulic telescopic rods 15, the height of the first sampling mechanism 17 and the second sampling mechanism 18 can be adjusted under the action of the second hydraulic telescopic rod 13, so as to facilitate sampling and discharging, the connecting frame 14 is provided with a third hydraulic telescopic rod 15 in a penetrating manner, the outer end of the third hydraulic telescopic rod 15 is connected to the transmission frame 16, the transmission frame 16 includes a third motor 1601, a third rotating shaft 1602 and a first lead screw 1603, the transmission frame 16 is provided with the third motor 1601, the third motor 1601 is connected to the third rotating shaft 1602, the third rotating shaft 1602 penetrates through the side wall of the transmission frame 16 and is connected to the first lead screw 1603, and the first lead screw 1603 is rotatably connected to the inner side wall of the transmission frame 16, the third motor 1601 drives the first lead screw 1603 to rotate through a third rotating shaft 1602 so as to adjust the position of the first sampling mechanism 17 or the second sampling mechanism 18, the first sampling mechanism 17 and the second sampling mechanism 18 are respectively arranged on the transmission frame 16 in a penetrating manner, the first sampling mechanism 17 is arranged on the right side of the second sampling mechanism 18, the first sampling mechanism 17 comprises an I-shaped frame 1701, a fourth motor 1702, a fourth rotating shaft 1703, a second bevel gear set 1704, a second lead screw 1705, a moving frame 1706, a bolt 1707 and a bucket 1708, the I-shaped frame 1701 is provided with the fourth motor 1702, the fourth motor 1702 is connected with the fourth rotating shaft 1703, the lower end of the fourth rotating shaft 1703 penetrates through the I-shaped frame 1701 and is connected with the second lead screw 1705 through the second bevel gear set 1704, the second lead screw 1705 is rotatably connected with the lower end of the I-shaped frame 1701, the moving frame 1706 penetrates through the second lead screw 1705, and the lower end of the moving frame 1706 is connected with the bucket 1708 through, the second lead screw 1705 is provided with two sections of reverse threads, the fourth motor 1702 drives the second lead screw 1705 to rotate, so that the moving frame 1706 moves close to the second lead screw 1705 to scoop coal samples, the dismounting bolt 1707 facilitates dismounting, maintenance or replacement of the bucket 1708, the second sampling mechanism 18 comprises a carriage 1801, a transmission pipe 1802, a fifth motor 1803, a fifth rotating shaft 1804, a second transmission shaft 1805, a helical blade 1806 and a cutter head 1807, the lower end of the carriage 1801 is provided with the transmission pipe 1802, the upper end of the carriage 1801 is provided with the fifth motor 1803, the fifth motor 1803 is connected with the fifth rotating shaft 1804, the lower end of the fifth rotating shaft penetrates through the carriage 1801 and is connected with the second transmission shaft 1805, the second transmission shaft 1805 is arranged in the transmission pipe 1802, the second transmission shaft 1805 is provided with the helical blade 1806 and the cutter head 1807, the helical blade 1806 is arranged above the cutter head 1807, and the fifth motor 1803 drives the second transmission shaft 1805 to rotate, the large coal sample can be smashed through the cutter head 1807, and the large coal sample can be collected.

The working principle is as follows: when the mechanical automatic sampling robot with the convenient-to-replace clamp is used, the power supply box 2 is connected, the rail wheel 3 moves on the rail 4, the sampling device can sample each carriage of a train conveniently, the height of the fixing frame 6 is adjusted properly under the action of the first hydraulic telescopic rod 5, when the first sampling mechanism 17 is needed to be used for sampling, the first motor 8 drives the first rotating shaft 9 to rotate, the first rotating shaft 9 drives the first transmission shaft 11 to rotate through the first bevel gear set 10, the first transmission shaft 11 drives the rotating platform 12 to rotate, so that the first sampling mechanism 17 is positioned above the carriage, the transmission frame 16 is pushed to be unfolded through the third hydraulic telescopic rod 15 on the right side, the position of the first sampling mechanism 17 can be adjusted under the action of the first motor 8 according to different sampling points, the third motor 1601 on the right side drives the third rotating shaft 1602, the third rotating shaft drives the first lead screw 1603 to rotate, adjusting the sampling point of the first sampling mechanism 17, making the first sampling mechanism 17 descend for sampling through the second hydraulic telescopic rod 13, the fourth motor 1702 driving the fourth rotating shaft 1703 to rotate, the fourth rotating shaft 1703 driving the second screw 1705 to rotate through the second bevel gear set 1704, making the movable frame 1706 move close to the second screw 1705, sampling the surface of the carriage coal bed through the bucket 1708, after sampling, adjusting the height of the first sampling mechanism 17, properly adjusting the direction under the action of the first motor 8, adding the collected coal sample into the corresponding collecting box 7 according to the position of the collecting point, the electromagnet 701 can remove the metal impurities in the coal sample, the second motor 705 driving the second rotating shaft 703 at the rear side to rotate, the second rotating shaft 703 at the rear side driving the second rotating shaft 703 at the front side to rotate through the gear 704, the second rotating shaft 703 driving the crushing roller 702 to rotate for primary crushing of the coal sample, when a deep coal seam needs to be sampled, the position of the second sampling mechanism 18 is adjusted to the upper part of a carriage under the action of the first motor 8, after the position of the deep coal seam is adjusted, the carriage 1801 slides on the first lead screw 1603 on the left side under the action of the third motor 1601 on the left side to adjust the collection point of the second sampling mechanism 18, the second hydraulic telescopic rod 13 is driven to descend, the fifth motor 1801 drives the fifth rotating shaft 1804 to rotate, the fifth rotating shaft 1804 drives the second driving shaft 1805 to rotate, massive coal samples can be smashed through the cutter head 1807, the massive coal samples can also be collected, the coal samples are lifted into the transmission pipe 1802 under the action of the spiral blade 1806, after sampling, the position of the second sampling mechanism 18 is adjusted to correspond to the corresponding collection box 7, the coal samples are added into the collection box 1707, after metal impurities are removed through the electromagnet 701, preliminary crushing processing is carried out, and the dismounting bolt 1707 can be dismounted, maintained or replaced for the bucket 8, those not described in detail in this specification are within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a conveniently change mechanical automation sampling robot of anchor clamps, includes supporter (1), first motor (8) and second hydraulic stretching pole (13), its characterized in that:

the device comprises a support body (1), wherein a power box (2) is arranged in the support body (1), a track wheel (3) is arranged at the lower end of the support body (1), the track wheel (3) is connected with a track (4), a first hydraulic telescopic rod (5) is arranged at the upper end of the support body (1), the upper end of the first hydraulic telescopic rod (5) is connected with a fixed frame (6), and a collecting box (7) is arranged at the upper end of the fixed frame (6) close to the left side;

the first motor (8) is arranged at the lower end of the fixing frame (6), the first motor (8) is connected with a first rotating shaft (9), the first rotating shaft (9) is connected with a first transmission shaft (11) through a first bevel gear set (10), and the upper end of the first transmission shaft (11) penetrates through the fixing frame (6) and is connected with the rotating table (12);

second hydraulic telescoping rod (13), second hydraulic telescoping rod (13) set up in revolving stage (12) upper end, and second hydraulic telescoping rod (13) upper end is connected with link (14), run through on link (14) and be provided with third hydraulic telescoping rod (15), and third hydraulic telescoping rod (15) outer end is connected with transmission frame (16), run through respectively on transmission frame (16) and be provided with first sampling mechanism (17) and second sampling mechanism (18), and first sampling mechanism (17) set up the right side at second sampling mechanism (18).

2. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the rail wheels (3) are arranged in two groups, the rail wheels (3) are symmetrically arranged relative to the central line of the support body (1), and each group of rail wheels (3) corresponds to one rail (4).

3. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the telescopic mechanism is composed of the first hydraulic telescopic rods (5) and the fixing frame (6), and the first hydraulic telescopic rods (5) are provided with two groups.

4. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the collecting box (7) is including electro-magnet (701), crushing roller (702), second pivot (703), gear (704) and second motor (705), and is provided with electro-magnet (701) in collecting box (7), collecting box (7) inside wall rotates and is connected with crushing roller (702), and crushing roller (702) outer end is connected with second pivot (703), the inside wall of collecting box (7) is run through to second pivot (703) outer end, and connects through gear (704) meshing between second pivot (703), the rear side second pivot (703) are connected with second motor (705), and second motor (705) set up on collecting box (7) side.

5. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: a rotating mechanism is composed of the first motor (8), the first rotating shaft (9), the first bevel gear set (10), the first transmission shaft (11) and the rotating table (12), and the rotating table (12) is in sliding connection with the fixing frame (6).

6. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the second hydraulic telescopic rod (13) and the connecting frame (14) form a telescopic mechanism, and third hydraulic telescopic rods (15) are symmetrically arranged on the connecting frame (14).

7. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the transmission frame (16) is including third motor (1601), third pivot (1602) and first lead screw (1603), and is provided with third motor (1601) in transmission frame (16), third motor (1601) are connected with third pivot (1602), and third pivot (1602) outer end runs through transmission frame (16) lateral wall and is connected with first lead screw (1603), and first lead screw (1603) rotate simultaneously and connect on transmission frame (16) inside wall.

8. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the first sampling mechanism (17) comprises an I-shaped frame (1701), a fourth motor (1702), a fourth rotating shaft (1703), a second bevel gear set (1704), a second screw rod (1705), a moving frame (1706), a bolt (1707) and a bucket (1708), the fourth motor (1702) is arranged on the I-shaped frame (1701), the fourth motor (1702) is connected with the fourth rotating shaft (1703), the lower end of the fourth rotating shaft (1703) penetrates through the I-shaped frame (1701) and is connected with the second screw rod (1705) through the second bevel gear set (1704), the second screw rod (1705) is rotatably connected to the lower end of the I-shaped frame (1701), the moving frame (1706) penetrates through the second screw rod (1705), the lower end of the moving frame (1706 is connected with the bucket (1708) through the bolt (1707), and two reverse threads are arranged on the second screw rod (1705).

9. The mechanical automatic sampling robot convenient for replacing the clamp as claimed in claim 1, is characterized in that: the second sampling mechanism (18) comprises a sliding frame (1801), a transmission pipe (1802), a fifth motor (1803), a fifth rotating shaft (1804), a second transmission shaft (1805), a spiral blade (1806) and a cutter head (1807), wherein the lower end of the sliding frame (1801) is provided with the transmission pipe (1802), the upper end of the sliding frame (1801) is provided with the fifth motor (1803), the fifth motor (1803) is connected with the fifth rotating shaft (1804), the lower end of the fifth rotating shaft (1804) penetrates through the sliding frame (1801) to be connected with the second transmission shaft (1805), the second transmission shaft (1805) is arranged in the transmission pipe (1802), the second transmission shaft (1805) is provided with the spiral blade (1806) and the cutter head (1807), and the spiral blade (1806) is arranged above the cutter head (1807).