CN216433671U

CN216433671U - Sampling device for field test of shale gas coal bed

Info

Publication number: CN216433671U
Application number: CN202122815891.4U
Authority: CN
Inventors: 张立; 徐辉; 李建; 郑震; 戴体伟
Original assignee: Jiangsu Design And Research Institute Of Geology And Mineral Resources Test Center Of China Coal Geology Administration
Current assignee: Jiangsu Design And Research Institute Of Geology And Mineral Resources Test Center Of China Coal Geology Administration
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-03
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a sampling device for shale gas coal bed field test, which comprises two groups of bottom plates, wherein one side of the bottom parts of the two groups of bottom plates, which are close to each other, is fixedly connected with two groups of brake rollers, one side of the bottom parts of the two groups of brake rollers, which are far away from each other, is provided with two groups of vertical thread fixing columns, the top ends of the two groups of thread fixing columns are fixedly connected with two groups of rotating buttons, one side of the top parts of the two groups of bottom plates, which are close to each other, is fixedly connected with two groups of first supporting blocks, a first motor drives a threaded rod to rotate, so that a bearing plate descends, a second motor drives a third rotating rod and a sampling drill bit to rotate for drilling, the sampling depth can be adjusted as required, a second air pump, a second air exhaust pipe, an air exhaust head and a second air inlet pipe are mutually matched to feed air into a processing box, the air is filtered through a filter tank, the first air pump is opened, the first air exhaust pipe and the first air inlet pipe are mutually matched to feed the filtered air into a sample storage tank for storage, the separation of impurities and gas is realized, and the detection accuracy is improved.

Description

Sampling device for field test of shale gas coal bed

Technical Field

The utility model belongs to the technical field of shale gas testing, specifically be a sampling device for shale gas coal seam field test.

Background

The shale gas is unconventional natural gas which is added into a reservoir rock system mainly containing organic shale, is biochemical cause gas, thermal cause gas or a mixture of the biochemical cause gas and the thermal cause gas which are continuously generated, can exist in natural cracks and pores in a free state, exists on the surfaces of kerogen and clay particles in an adsorption state, and is also stored in the kerogen and asphaltene in a dissolving state in a very small amount, the proportion of the free gas is generally 20-85%, a to-be-developed position needs to be sampled and investigated when shale gas resources are surveyed and developed, the depth of sampling cannot be adjusted according to needs by a common sampling device, and the extracted gas contains impurities, so that the testing accuracy is influenced, and therefore, the sampling device for the field testing of the shale gas coal bed is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device for shale gas coal seam field test to the problem of the degree of depth that can not adjust the sample as required that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for field testing of shale gas coal layers comprises two groups of bottom plates, wherein two groups of brake rollers are fixedly connected to one side, close to each other, of the bottoms of the two groups of bottom plates, two groups of vertical thread fixing columns are arranged on one side, far away from each other, of the two groups of brake rollers, the two groups of thread fixing columns are vertically connected with the two groups of bottom plates in a penetrating manner, two groups of rotating buttons are fixedly connected to the top ends of the two groups of thread fixing columns, two groups of first supporting blocks are fixedly connected to one side, close to each other, of the tops of the two groups of bottom plates, two groups of vertical threaded rods are movably connected to the tops of the two groups of first supporting blocks, a driving top plate is arranged at the tops of the two groups of threaded rods, a motor box is fixedly connected to the middle of the top of the driving top plate, a driving motor is fixedly connected to the top of an inner cavity of the motor box, a vertical first rotating rod is arranged at the bottom of the driving motor, and two groups of limiting blocks are sleeved on the tops of the surfaces of the two groups of threaded rods, one side of each group of limit blocks, which is close to each other, is fixedly connected with a transverse bearing plate, the bottom of the bearing plate is fixedly connected with a processing box, the left side and the right side of the bottom of the bearing plate are fixedly connected with two groups of second support blocks, the bottoms of the two groups of second support blocks are fixedly connected with two groups of sampling assemblies, the left side of the top of the bearing plate is fixedly connected with a fixed plate, the left side and the right side of the top of the fixed plate are fixedly connected with two groups of fixed clamping plates, the top of the fixed plate is provided with a sample storage tank, the sample storage tank is clamped with the two groups of fixed clamping plates, the right side of the sample storage tank is provided with a first air pump, the bottom of the first air pump is fixedly connected with the top of the bearing plate, the left side of the first air pump is provided with a bent first air exhaust pipe, one end, which is not connected with the first air pump, penetrates through the middle of the surface of the processing box and extends to the inner cavity of the processing box, and the top of the first air pump is provided with a bent first air inlet pipe, and one end of the first air inlet pipe, which is not connected with the first air pump, penetrates through the right side of the sample storage tank and extends to the inner cavity of the sample storage tank.

Preferably, the inner chamber left and right sides fixedly connected with two sets of third supporting shoes of drive roof, one side swing joint that two sets of third supporting shoes are close to each other has two sets of horizontal second dwangs, two sets of first conical gear of one end fixedly connected with that two sets of second dwangs are close to each other, one side top that two sets of first conical gear are close to each other is equipped with first conical gear assorted second conical gear, the top fixedly connected with head rod of second conical gear, and the bottom fixed connection of head rod top run through in the middle of the top of drive roof and motor case and first dwang.

Preferably, two sets of third bevel gears have been cup jointed on the surface of two sets of second dwang, and one side bottom that two sets of third bevel gears are close to each other is equipped with two sets ofly and third bevel gear assorted fourth bevel gear, two sets of vertical second connecting rods of the bottom fixedly connected with of two sets of fourth bevel gear, and the bottom of two sets of second connecting rods runs through the top fixed connection of both sides and two sets of threaded rod about the bottom of drive roof.

Preferably, handle two sets of concave type fixed slot of inner chamber top left and right sides fixedly connected with of case, two sets of concave type fixed slot's concave inslot joint has two sets of vertical rose tanks, two sets of seal covers of the bottom fixedly connected with of two sets of rose tanks, and the bottom left and right sides of handling the case is equipped with two sets of through-holes, and the bottom of handling the case is equipped with horizontal connecting plate, and the bottom of two sets of seal covers runs through the bottom left and right sides of handling the case and the top left and right sides fixed connection of connecting plate through two sets of through-holes.

Preferably, fixedly connected with pulling handle in the middle of the bottom of connecting plate handles two sets of backup pads of the bottom left and right sides fixedly connected with of case, and two sets of backup pads transversely run through and are connected with two sets of fastening screw, and the left and right sides run through connection of the one end that two sets of fastening screw are close to each other and connecting plate, two sets of fastening nut of one end fixedly connected with that two sets of fastening screw kept away from each other.

Preferably, the sampling subassembly is including the installation section of thick bamboo, the bottom fixedly connected with second motor of installation section of thick bamboo, the bottom of second motor is equipped with vertical third dwang, the bottom fixedly connected with sample drill bit of third dwang, the left and right sides bottom of installation section of thick bamboo is equipped with four groups of air vents, the inner chamber top fixedly connected with second air pump of installation section of thick bamboo, the bottom of second air pump is equipped with vertical second exhaust tube, the bottom fixedly connected with exhaust head of second exhaust tube, the right side of second air pump is equipped with horizontal second intake pipe, and the second intake pipe does not run through the installation section of thick bamboo and the inner chamber that the left and right sides of handling the case extend to the case with the one end that the second air pump is connected.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first motor drives the first rotating rod, the first connecting rod and the second bevel gear to rotate, the second bevel gear is meshed with the first bevel gear to drive the second rotating rod and the third bevel gear to rotate, the third bevel gear is meshed with the fourth bevel gear to drive the second connecting rod and the threaded rod to rotate, the bearing plate is driven to descend through the limiting block, and the second motor drives the third rotating rod and the sampling drill bit to rotate to drill holes while the bearing plate descends, so that the sampling depth can be adjusted as required, and the use is convenient;

2. open the second air pump, the second exhaust tube with bleed the head and extract gas through the air vent, rethread second intake pipe send into and handle the incasement, gaseous back that gets into handles the incasement, filter through the filter-tank, impurity in the gas is stayed in the filter-tank, open first air pump, the gas after the incasement filtration is handled in the extraction of first exhaust tube, send into in the sample storage tank through first intake pipe and store, it separates fastening screw and connecting plate to rotate fastening nut, through the pulling handle, connecting plate and seal cover are mutually supported, make the filter-tank pull out from handling the incasement through running through the mouth, the convenience is handled impurity, realized handling impurity and gas separation, improve the accurate that detects.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the driving top plate of the present invention;

FIG. 3 is a schematic view of the structure of the treatment tank of the present invention;

fig. 4 is a schematic structural view of the sampling assembly of the present invention.

In the figure: 1 bottom plate, 2 brake rollers, 3 threaded fixing columns, 4 rotating buttons, 5 first supporting blocks, 6 threaded rods, 7 driving top plates, 71 third supporting blocks, 72 second rotating rods, 73 first bevel gears, 74 second bevel gears, 75 first connecting rods, 76 third bevel gears, 77 fourth bevel gears, 78 second connecting rods, 8 motor boxes, 9 first motors, 10 first rotating rods, 11 limiting blocks, 12 bearing plates, 13 treatment boxes, 131 concave fixing clamping grooves, 132 filter grooves, 133 sealing sleeves, 134 through holes, 135 connecting plates, 136 pulling handles, 137 supporting plates, 138 fastening screws, 139 fastening nuts, 14 second supporting blocks, 15 sampling assemblies, 151 mounting cylinders, 152 second motors, 153 third rotating rods, 154 sampling drill bits, 155 vent holes, 156 second air pumps, 157 second air pumping pipes, 158 air pumping heads, 159 second air inlet pipes, 16 fixing plates, 17 fixing clamping plates, 7 driving top plates, 71 third supporting blocks, 72 second rotating rods, 73 first bevel gears, 74 second bevel gears, 131 concave fixing clamping grooves, 131 filtering grooves, 134 through holes, 135 fastening nuts, 24 second air pumping assemblies, 151 mounting cylinders, 152 second air pumping heads, 154, and the like, 18 sample storage tanks, 19 first air pumps, 20 first air suction pipes and 21 first air inlet pipes.

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.

Example 1

Referring to fig. 1, the present invention provides a technical solution: a sampling device for field testing of shale gas coal layers comprises two groups of bottom plates 1, wherein one side, close to each other, of the bottoms of the two groups of bottom plates 1 is fixedly connected with two groups of brake rollers 2, one side, far away from each other, of each brake roller 2 is provided with two groups of vertical thread fixing columns 3, the two groups of thread fixing columns 3 are vertically connected with the two groups of bottom plates 1 in a penetrating manner, the top ends of the two groups of thread fixing columns 3 are fixedly connected with two groups of rotating buttons 4, one side, close to each other, of the tops of the two groups of bottom plates 1 is fixedly connected with two groups of first supporting blocks 5, the tops of the two groups of first supporting blocks 5 are movably connected with two groups of vertical threaded rods 6, the tops of the two groups of threaded rods 6 are provided with driving top plates 7, the middle parts of the tops of the driving top plates 7 are fixedly connected with a motor box 8, the top parts of inner cavities of the motor box 8 are fixedly connected with driving motors 9, and the bottoms of the driving motors 9 are provided with vertical first rotating rods 10, two sets of stopper 11 have been cup jointed at the surperficial top of two sets of threaded rods 6, two sets of stopper 11 are close to one side fixedly connected with horizontal loading board 12 each other, case 13 is handled to the bottom fixedly connected with of loading board 12, two sets of second supporting shoe 14 of the bottom left and right sides fixedly connected with of loading board 12, two sets of sampling component 15 of the bottom fixedly connected with of two sets of second supporting shoe 14, the top left side fixedly connected with fixed plate 16 of loading board 12, the top left and right sides fixedly connected with two sets of fixed grip blocks 17 of fixed plate 16, the top of fixed plate 16 is equipped with sample storage tank 18, and sample storage tank 18 and two sets of fixed grip blocks 17 joint, the right side of sample storage tank 18 is equipped with first air pump 19, and the bottom of first air pump 19 and the top fixed connection of loading board 12, the left side of first air pump 19 is equipped with the first exhaust tube 20 of the type of bending, and the one end that first exhaust tube 20 is not connected with first air pump 19 runs through in the middle of the surface that handles case 13 and extend to handling case 13 The top of the first air pump 19 is provided with a bent first air inlet pipe 21, and one end of the first air inlet pipe 21, which is not connected with the first air pump 19, penetrates through the right side of the sample storage tank 18 and extends to the inner cavity of the sample storage tank 18.

In this embodiment, referring to fig. 1 and 2, two sets of third supporting blocks 71 are fixedly connected to the left and right sides of the inner cavity of the driving top plate 7, two sets of transverse second rotating rods 72 are movably connected to one side of the two sets of third supporting blocks 71 close to each other, two sets of first bevel gears 73 are fixedly connected to one ends of the two sets of second rotating rods 72 close to each other, a second bevel gear 74 matched with the first bevel gear 73 is arranged at the top of one side of the two sets of first bevel gears 73 close to each other, a first connecting rod 75 is fixedly connected to the top of the second bevel gear 74, the top end of the first connecting rod 75 penetrates through the middle of the top of the driving top plate 7 and the bottom of the motor box 8 to be fixedly connected to the bottom end of the first rotating rod 10, the first motor 9 drives the first rotating rod 10, the first connecting rod 75 and the second bevel gear 74 to rotate, because the second bevel gear 74 is engaged with the first bevel gear 73, the first bevel gear 73 drives the second rotating rod 72 to rotate;

in this embodiment, referring to fig. 1 and 2, two sets of third bevel gears 76 are sleeved on the surfaces of two sets of second rotating rods 72, two sets of fourth bevel gears 77 matched with the third bevel gears 76 are arranged at the bottoms of the mutually close sides of the two sets of third bevel gears 76, two sets of vertical second connecting rods 78 are fixedly connected to the bottoms of the two sets of fourth bevel gears 77, the bottom ends of the two sets of second connecting rods 78 penetrate through the left and right sides of the bottom of the driving top plate 7 and are fixedly connected to the top ends of the two sets of threaded rods 6, the second rotating rod 7 drives the third bevel gears 76 to rotate, and the fourth bevel gears 77 drive the second connecting rods 78 and the threaded rods 6 to rotate due to the meshing connection between the third bevel gears 76 and the fourth bevel gears 77;

in this embodiment, referring to fig. 3, two sets of concave fixing slots 131 are fixedly connected to the left and right sides of the top of the inner cavity of the treatment box 13, two sets of vertical filter tanks 132 are clamped in the concave slots of the two sets of concave fixing slots 131, two sets of sealing sleeves 133 are fixedly connected to the bottoms of the two sets of filter tanks 132, two sets of through holes 134 are arranged on the left and right sides of the bottom of the treatment box 13, a horizontal connecting plate 135 is arranged at the bottom of the treatment box 13, the bottoms of the two sets of sealing sleeves 133 penetrate through the left and right sides of the bottom of the treatment box 13 through the two sets of through holes 134 and are fixedly connected to the left and right sides of the top of the connecting plate 135, a pulling handle 136 is fixedly connected to the middle of the bottom of the connecting plate 135, two sets of supporting plates 137 are fixedly connected to the left and right sides of the bottom of the treatment box 13, two sets of supporting plates 137 are transversely penetrated by two sets of fastening screws 138, and the ends of the two sets of fastening screws 138 close to each other are penetrated and connected to the left and right sides of the connecting plate 135, two groups of fastening nuts 139 are fixedly connected to the ends, far away from each other, of the two groups of fastening screws 138, gas enters the treatment box 13 and is filtered through the filter tank 132, impurities in the gas are left in the filter tank 132, the fastening nuts 139 are rotated to separate the fastening screws 138 from the connecting plate 135, and the filter tank 132 is pulled out of the treatment box 13 through the through hole 134 by mutually matching the pulling handle 136, the connecting plate 135 and the sealing sleeve 133, so that the impurities are conveniently treated;

example 2

Referring to fig. 1 and 4, this embodiment differs from the first embodiment in that: the sampling assembly 15 comprises an installation cylinder 151, a second motor 152 is fixedly connected to the bottom of the installation cylinder 151, a vertical third rotating rod 153 is arranged at the bottom of the second motor 152, a sampling drill bit 154 is fixedly connected to the bottom end of the third rotating rod 153, four groups of vent holes 155 are arranged at the bottoms of the left side and the right side of the installation cylinder 151, a second air pump 156 is fixedly connected to the top of an inner cavity of the installation cylinder 151, a vertical second air suction pipe 157 is arranged at the bottom of the second air pump 156, an air suction head 158 is fixedly connected to the bottom end of the second air suction pipe 157, a transverse second air inlet pipe 159 is arranged at the right side of the second air pump 156, one end of the second air inlet pipe 159, which is not connected with the second air pump 156, penetrates through the left side and the right side of the installation cylinder 151 and the left side of the treatment box 13 and extends to the inner cavity of the treatment box 13, the second motor 152 drives the third rotating rod 153 and the sampling drill bit 154 to rotate for drilling, the installation cylinder 151 and the sampling drill bit 154 move downwards to a designated depth, the second air pump 156 is turned on, and the second suction pipe 157 and the suction head 158 suck air through the vent hole 155, and then feed the air into the process chamber 13 through the second air intake pipe 159.

The working principle is as follows: when the device is used, the first motor 9 drives the first rotating rod 10, the first connecting rod 75 and the second bevel gear 74 to rotate, the second bevel gear 74 is meshed with the first bevel gear 73, the first bevel gear 73 drives the second rotating rod 72 and the third bevel gear 76 to rotate, the third bevel gear 76 is meshed with the fourth bevel gear 77, the fourth bevel gear 77 drives the second connecting rod 78 and the threaded rod 6 to rotate, the bearing plate 12 is driven to descend through the limiting block 11, the second motor 152 drives the third rotating rod 153 and the sampling drill bit 154 to rotate to drill, after the mounting cylinder 151 and the sampling drill bit 154 move downwards to a specified depth, the second air pump 156 is opened, the second air suction pipe 157 and the air suction head 158 suck air through the vent 155 and then feed the air into the treatment box 13 through the second air inlet pipe 159, and after the air enters the treatment box 13, filter through filter tank 132, impurity in the gas is stayed in filter tank 132, open first air pump 19, the gas after filtering in case 13 is handled in the extraction of first exhaust tube 20, send into sample holding vessel 18 through first intake pipe 21 and store in, rotate fastening nut 139 with fastening screw 138 and connecting plate 135 separation, through pulling handle 136, connecting plate 135 and seal cover 133 mutually support, make filter tank 132 pull out from handling case 13 through penetrating port 134, the convenience is handled impurity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sampling device for shale gas coal seam field test, includes two sets of bottom plates (1), its characterized in that: one side, close to each other, of the bottoms of the two groups of bottom plates (1) is fixedly connected with two groups of brake rollers (2), one side, far away from each other, of each of the two groups of brake rollers (2) is provided with two groups of vertical thread fixing columns (3), the two groups of thread fixing columns (3) are vertically connected with the two groups of bottom plates (1) in a penetrating manner, the top ends of the two groups of thread fixing columns (3) are fixedly connected with two groups of rotating buttons (4), one side, close to each other, of the tops of the two groups of bottom plates (1) is fixedly connected with two groups of first supporting blocks (5), the tops of the two groups of first supporting blocks (5) are movably connected with two groups of vertical threaded rods (6), the tops of the two groups of threaded rods (6) are provided with driving top plates (7), the middle parts of the tops of the driving top plates (7) are fixedly connected with motor boxes (8), and the tops of inner cavities of the motor boxes (8) are fixedly connected with driving motors (9), the bottom of the driving motor (9) is provided with a vertical first rotating rod (10), the top of the surface of each of the two groups of threaded rods (6) is sleeved with two groups of limiting blocks (11), one side of each of the two groups of limiting blocks (11), which is close to each other, is fixedly connected with a transverse bearing plate (12), the bottom of each bearing plate (12) is fixedly connected with a processing box (13), the left side and the right side of the bottom of each bearing plate (12) are fixedly connected with two groups of second supporting blocks (14), the bottom of each of the two groups of second supporting blocks (14) is fixedly connected with two groups of sampling assemblies (15), the left side of the top of each bearing plate (12) is fixedly connected with a fixing plate (16), the left side and the right side of the top of each fixing plate (16) are fixedly connected with two groups of fixing clamping plates (17), the top of each fixing plate (16) is provided with a sample storage tank (18), and the sample storage tanks (18) are clamped with the two groups of fixing clamping plates (17), the right side of sample holding vessel (18) is equipped with first air pump (19), just the bottom of first air pump (19) and the top fixed connection of loading board (12), the left side of first air pump (19) is equipped with first aspiration tube (20) of the type of bending, just first aspiration tube (20) not with the one end that first air pump (19) is connected is run through handle the middle extension of the surface of case (13) to handle the inner chamber of case (13), the top of first air pump (19) is equipped with first intake pipe (21) of the type of bending, just first intake pipe (21) not with the one end that first air pump (19) is connected is run through the right side of sample holding vessel (18) extends to the inner chamber of sample holding vessel (18).

2. The sampling device for the field test of the shale gas coal bed according to claim 1, wherein: two sets of third supporting shoe (71) of inner chamber left and right sides fixedly connected with of drive roof (7), it is two sets of one side swing joint that third supporting shoe (71) are close to each other has two sets of horizontal second dwang (72), two sets of one end fixedly connected with two sets of first bevel gear (73) that second dwang (72) are close to each other, and is two sets of one side top that first bevel gear (73) are close to each other be equipped with first bevel gear (73) assorted second bevel gear (74), the top fixedly connected with head rod (75) of second bevel gear (74), just head rod (75) top is run through in the middle of the top of drive roof (7) with the bottom of motor case (8) with the bottom fixed connection of first dwang (10).

3. The sampling device for the field test of the shale gas coal bed according to claim 2, wherein: two sets of third bevel gear (76), two sets of have been cup jointed on the surface of second dwang (72) one side bottom that third bevel gear (76) are close to each other is equipped with two sets ofly and third bevel gear (76) assorted fourth bevel gear (77), and is two sets of the bottom fixedly connected with two sets of vertical second connecting rods (78) of fourth bevel gear (77), and two sets of the bottom of second connecting rod (78) is run through the bottom left and right sides and two sets of drive roof (7) the top fixed connection of threaded rod (6).

4. The sampling device for the field test of the shale gas coal bed according to claim 1, wherein: the utility model discloses a processing box, including processing case (13), the inner chamber top left and right sides fixedly connected with of processing case (13) is two sets of concave type fixed slot (131), and is two sets of concave type fixed slot (131) the concave groove inside callipers of concave type fixed slot (131) have two sets of vertical filter-tank (132), and are two sets of the two sets of seal covers (133) of bottom fixedly connected with of filter-tank (132), the bottom left and right sides of processing case (13) is equipped with two sets of through-hole (134), the bottom of processing case (13) is equipped with horizontal connecting plate (135), and is two sets of the bottom of seal cover (133) is through two sets of through-hole (134) run through the bottom left and right sides of processing case (13) with the top left and right sides fixed connection of connecting plate (135).

5. The sampling device for the field test of the shale gas coal bed according to claim 4, wherein: fixedly connected with pulling handle (136) in the middle of the bottom of connecting plate (135), handle two sets of backup pad (137) of the bottom left and right sides fixedly connected with of case (13), two sets of backup pad (137) transversely through connection has two sets of fastening screw (138), and two sets of fastening screw (138) be close to each other one end with the left and right sides through connection of connecting plate (135), two sets of fastening screw (138) keep away from two sets of fastening nut (139) of one end fixedly connected with each other.

6. The sampling device for the field test of the shale gas coal bed according to claim 1, wherein: sampling subassembly (15) is including installation section of thick bamboo (151), the bottom fixedly connected with second motor (152) of installation section of thick bamboo (151), the bottom of second motor (152) is equipped with vertical third dwang (153), the bottom fixedly connected with sample drill bit (154) of third dwang (153), the left and right sides bottom of installation section of thick bamboo (151) is equipped with four groups of air vents (155), the inner chamber top fixedly connected with second air pump (156) of installation section of thick bamboo (151), the bottom of second air pump (156) is equipped with vertical second exhaust tube (157), the bottom fixedly connected with exhaust head (158) of second exhaust tube (157), the right side of second air pump (156) is equipped with horizontal second intake pipe (159), just second intake pipe (159) do not run through with the one end that second air pump (156) is connected the installation section of thick bamboo (151) with both sides extend about processing case (13) the inner chamber of processing case (13) .