CN110726582A - Coal field geological exploration sampling device - Google Patents
Coal field geological exploration sampling device Download PDFInfo
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- CN110726582A CN110726582A CN201911061930.7A CN201911061930A CN110726582A CN 110726582 A CN110726582 A CN 110726582A CN 201911061930 A CN201911061930 A CN 201911061930A CN 110726582 A CN110726582 A CN 110726582A
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- 238000005070 sampling Methods 0.000 title claims abstract description 114
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 244000309464 bull Species 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 30
- 239000007787 solid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a coal field geological exploration sampling device, which comprises a rotary drilling machine, wherein a lifting drill shaft is arranged on the rotary drilling machine, a sampling device for collecting samples and storing the samples is arranged on the lower side end face of the lifting drill shaft, the sampling device comprises a sampling drill shaft fixedly connected to the lower side end face of the lifting drill shaft, and a power cavity arranged in the sampling drill shaft and provided with a downward opening, a lifting device is arranged in the power cavity, the lifting device can realize the up-and-down lifting motion required by the storage of the samples, and a gas storage device positioned on the lower side of the lifting device is arranged in the power cavity. The equipment cost is reduced, and the quality of the collected sample can be ensured.
Description
Technical Field
The invention relates to the technical field of coal field exploration and sampling, in particular to coal field geological exploration and sampling equipment.
Background
With the increasing demand of human beings on underground coal, petroleum, natural gas and underground water resources, the exploration and development of the underground resources are also increased continuously, currently, in the coal mining process, the gas and the real state of the gas content need to be known, some accidents which should not happen or a large number of casualty accidents caused by the fact that preparation work of subsequent mining construction is not considered, the current coal field geological exploration and sampling cannot be carried out simultaneously on gas sampling and solid sample sampling, the two kinds of sampling need to be carried out respectively and need two different devices, so that the sampling efficiency is low, and the device cost is higher.
Disclosure of Invention
The technical problem is as follows: the existing coal field geological exploration sampling cannot simultaneously carry out gas sampling and solid sample sampling, so that the sampling efficiency is low, and the equipment cost is high.
In order to solve the problems, the coal field geological exploration sampling equipment is designed, and comprises a rotary drilling machine, wherein a lifting drill shaft is arranged on the rotary drilling machine, a sampling device for collecting samples and storing the samples is arranged on the lower side end face of the lifting drill shaft, the sampling device comprises a sampling drill shaft fixedly connected to the lower side end face of the lifting drill shaft, a power cavity with a downward opening and arranged in the sampling drill shaft, and a sampling pipe with a downward opening and fixedly connected to the rear side inner wall of the power cavity, a lifting device is arranged in the power cavity, the lifting device can achieve up-and-down lifting motion required by storing the samples, the lifting device comprises a piston slidably connected in the sampling pipe and a reset spring connected between the upper side inner wall of the sampling pipe and the piston, and the lifting device can achieve up-and-down motion required by conveying the samples to the outside through up-and-down motion of the piston, the power intracavity is equipped with and is located the gas storage device of elevating gear downside, gas storage device include sliding connection in sliding plug in the sampling tube, set up in the sliding plug and the through-hole that link up from top to bottom, set up in the sliding plug and with communicating sealed chamber of through-hole, sliding connection in sealed intracavity and can end the sealed piece of through-hole, set up in the sliding plug and be located the left slide bar chamber in sealed chamber, fixed connection in just extend to left on the sealed piece left side terminal surface the connecting rod in the slide bar intracavity, gas storage device passes through the sealed piece is removed the realization about the through-hole break-make to can be with the gas of gathering and storing appointed degree of depth.
Wherein, the sampling device also comprises a lifting disc which is connected on the sampling pipe in a sliding way, two bilaterally symmetrical connecting rods are hinged on the lifting disc, a fixed rod is fixedly connected on the upper end face on the left side of the lifting disc, a rack is fixedly connected on the upper end face on the right side of the lifting disc, a limit ring which is positioned on the lower side of the lifting disc is fixedly connected on the circumferential end face of the sampling pipe, an auxiliary limit ring which is positioned on the lower side of the limit ring is fixedly connected on the circumferential end face of the sampling pipe, a sliding disc which is positioned between the limit ring and the auxiliary limit ring is connected on the sampling pipe in a sliding way, two bilaterally symmetrical drilling blocks are hinged on the sliding disc, an opening on the lower side of the sampling pipe can be sealed after the two drilling blocks are closed, the lower ends of the connecting rods are hinged with the drilling, and an elastic sealing ring which is abutted against the drilling block is arranged at an opening at the lower side of the power cavity.
Preferably, sliding connection has on the power chamber rear side inner wall to be located the lifting disk upside and can with the limit slide of lifting disk butt, just limit slide can only remove about, be equipped with the blind hole that the opening is towards left on the inner wall of power chamber left side, fixedly connected with adsorbs the electro-magnet on the inner wall of blind hole left side, adsorb the electro-magnet with be connected with vice reset spring between the limit slide.
Wherein, the lifting device also comprises an air pump fixedly connected on the inner wall of the upper side of the power cavity, an auxiliary air pipe positioned on the right side of the air pump is fixedly connected on the inner wall of the rear side of the power cavity, the auxiliary air pipe is communicated and connected with the air pump, a three-way electromagnetic valve is communicated and connected between the auxiliary air pipe and the sampling pipe, an auxiliary electromagnetic valve is arranged on the left end face of the sampling pipe, an air cylinder is fixedly connected on the right end face of the sampling pipe, an air cavity is arranged in the air cylinder, an exhaust electromagnetic valve is arranged on the right end face of the air cavity, an air pipe is communicated and connected between the air cavity and the auxiliary air pipe, an auxiliary piston is slidably connected in the air cavity, an air cavity spring is connected between the auxiliary piston and the inner wall of the lower side of the air cavity, an auxiliary rack extending downwards outside the end face of the air cavity is fixedly connected on the lower end face, the gear shaft is fixedly connected with a gear meshed with the auxiliary rack, the gear is meshed with the rack, and a compression spring is connected between the piston and the sliding plug.
Wherein, the gas storage device also comprises a lifting cavity which is arranged in the sliding plug and is positioned at the lower side of the sliding rod cavity, the lifting cavity is communicated with the sliding rod cavity, the inner wall of the lower side of the lifting cavity is fixedly connected with an auxiliary electromagnet, the inner wall of the lifting cavity is fixedly connected with a lifting slide block, an auxiliary spring is connected between the lifting slide block and the auxiliary electromagnet, the upper side end surface of the lifting slide block is connected with a bolt in a sliding way, the connecting rod is provided with an auxiliary bolt hole which is through up and down, the bolt penetrates through the auxiliary bolt hole, the inner wall of the left side of the sampling tube is provided with a slide hole which is through left and right, the slide hole is connected with a slide rod which extends left and right in a sliding way, the slide rod is provided with a bolt hole which is through up and down, the bolt can extend into the bolt hole, the, just the bull stick lower extreme with the dead lever is articulated mutually, fixedly connected with permanent magnet on the slide bar left side terminal surface, fixedly connected with electro-magnet on the inner wall of power chamber left side, the electro-magnet with be connected with vice compression spring between the permanent magnet, be equipped with position switch on the inner wall of sampling pipe left side, just position switch can be triggered by the piston, fixedly connected with solenoid valve on the side end surface of sampling drill spindle, the solenoid valve with communicate with each other between the sampling pipe right side terminal surface and be connected with the blast pipe, just the blast pipe with the sampling pipe communicates with each other the department and is located the sliding plug upside.
The invention has the beneficial effects that: the rotary opening and closing mechanism can be rotationally opened after drilling to a set depth, so that a sample with the set depth can be ensured to be collected, the possibility of sample pollution is reduced, the quality of the collected sample is improved, the rotary opening and closing mechanism can drive the sealing block in the sealing mechanism to move left while being rotationally opened, so that the gas collection cavity is communicated with the outside, the air extraction piston moves upwards to extract gas with the depth under the action of the electromagnetic valve opening and the spring, the gas sampling is realized, after a required gas sample and a fixed sample are collected, the rotary opening and closing mechanism is rotationally closed, and meanwhile, the sealing block in the sealing mechanism moves right to reset, so that the gas collection cavity is in a sealing state, the samples cannot lose and be polluted in the process of moving upwards after the sampling is ensured, therefore, the rotary opening and closing mechanism can simultaneously sample gas and solid samples, the sampling efficiency is improved, and the equipment cost is reduced, meanwhile, the quality of the collected sample can be ensured.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a coal field geological exploration sampling device of the invention;
FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;
FIG. 3 is an enlarged view of the structure at "B" of FIG. 2;
FIG. 4 is an enlarged view of the structure at "C" of FIG. 3;
FIG. 5 is an enlarged view of the structure at "D" of FIG. 2;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 2;
fig. 7 is an enlarged schematic view of the structure at "F" of fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a coal field geological exploration sampling device, which is mainly applied to coal field exploration sampling, and the invention is further explained by combining the attached drawings of the invention:
the coal field geological exploration sampling equipment comprises a rotary drilling rig 11, wherein a lifting drill shaft 12 is arranged on the rotary drilling rig 11, a sampling device 101 for collecting samples and storing the samples is arranged on the lower side end face of the lifting drill shaft 12, the sampling device 101 comprises a sampling drill shaft 13 fixedly connected to the lower side end face of the lifting drill shaft 12, a power cavity 14 with a downward opening and arranged in the sampling drill shaft 13, a sampling pipe 19 with a downward opening and fixedly connected to the inner wall of the rear side of the power cavity 14, a lifting device 102 is arranged in the power cavity 14, the lifting device 102 can realize the up-and-down lifting movement required by storing the samples, the lifting device 102 comprises a piston 22 slidably connected in the sampling pipe 19 and a return spring 62 connected between the inner wall of the upper side of the sampling pipe 19 and the piston 22, the lifting device 102 can realize the up-and-down lifting movement required by conveying the samples to the outside through the up-and-down movement of the piston 22, the power cavity 14 is internally provided with a gas storage device 103 positioned on the lower side of the lifting device 102, the gas storage device 103 comprises a sliding plug 24 slidably connected in the sampling tube 19, a through hole 68 vertically penetrating through the sliding plug 24, a sealing cavity 45 arranged in the sliding plug 24 and communicated with the through hole 68, a sealing block 44 slidably connected in the sealing cavity 45 and capable of stopping the through hole 68, a sliding rod cavity 46 arranged in the sliding plug 24 and positioned on the left side of the sealing cavity 45, and a connecting rod 43 fixedly connected to the left end face of the sealing block 44 and extending leftwards into the sliding rod cavity 46, wherein the gas storage device 103 realizes the on-off of the through hole 68 by moving the sealing block 44 leftwards and rightwards, so that gas with a specified depth can be collected and stored.
According to the embodiment, the sampling device 101 will be described in detail below, the sampling device 101 further includes a lifting disk 26 slidably connected to the sampling tube 19, two bilaterally symmetrical connecting rods 27 are hinged to the lifting disk 26, a fixing rod 41 is fixedly connected to the upper end surface of the left side of the lifting disk 26, a rack 25 is fixedly connected to the upper end surface of the right side of the lifting disk 26, a limit ring 29 located on the lower side of the lifting disk 26 is fixedly connected to the circumferential end surface of the sampling tube 19, a secondary limit ring 32 located on the lower side of the limit ring 29 is fixedly connected to the circumferential end surface of the sampling tube 19, a sliding disk 31 located between the limit ring 29 and the secondary limit ring 32 is slidably connected to the sampling tube 19, two bilaterally symmetrical drilling blocks 30 are hinged to the sliding disk 31, and the opening on the lower side of the sampling tube 19 can be closed after the two drilling blocks 30 are closed, the lower end of the connecting rod 27 is hinged to the drilling block 30, a spring 28 is connected between the lifting disc 26 and the sliding disc 31, an elastic sealing ring 33 abutted to the drilling block 30 is arranged at an opening at the lower side of the power cavity 14, and the rotary drilling machine 11 drives the lifting drill shaft 12 to drive the sampling drill shaft 13 to rotate, so that the drilling movement can be realized.
Beneficially, sliding connection has on the power chamber 14 rear side inner wall be located the lifting disk 26 upside and can with the spacing slider 65 of lifting disk 26 butt, just spacing slider 65 can only remove about, be equipped with the blind hole 63 that the opening is towards the left on the inner wall of power chamber 14 left side, fixedly connected with adsorbs electro-magnet 66 on the inner wall of blind hole 63 left side, adsorb electro-magnet 66 with be connected with vice reset spring 64 between spacing slider 65.
According to the embodiment, the following will describe the lifting device 102 in detail, the lifting device 102 further includes an air pump 17 fixedly connected to the inner wall of the upper side of the power cavity 14, an auxiliary air pipe 60 located at the right side of the air pump 17 is fixedly connected to the inner wall of the rear side of the power cavity 14, the auxiliary air pipe 60 is connected to the air pump 17, a three-way solenoid valve 67 is connected to the auxiliary air pipe 60 and the sampling pipe 19, an auxiliary solenoid valve 34 is arranged on the left end surface of the sampling pipe 19, an air cylinder 21 is fixedly connected to the right end surface of the sampling pipe 19, an air cavity 54 is arranged in the air cylinder 21, an exhaust solenoid valve 61 is arranged on the right end surface of the air cavity 54, an air pipe 18 is connected to the air cavity 54 and the auxiliary air pipe 60, an auxiliary piston 55 is slidably connected to the air cavity 54, and an air cavity spring 57 is connected between, the lower side end face of the secondary piston 55 is fixedly connected with a secondary rack 56 which extends downwards to the outside of the end face of the air cavity 54, the inner wall of the rear side of the power cavity 14 is rotatably connected with a gear shaft 59 which extends forwards and is positioned on the right side of the secondary rack 56, the gear shaft 59 is fixedly connected with a gear 58 which is meshed with the secondary rack 56, the gear 58 is meshed with the rack 25, a compression spring 23 is connected between the piston 22 and the sliding plug 24, the secondary piston 55 can be driven to move downwards by air flow generated by the air pump 17, the secondary piston 55 can drive the lifting disc 26 to ascend by meshing connection, so that the drilling block 30 can rotate towards one side far away from the symmetric center, the lower side opening of the sampling tube 19 is communicated with the outside, and sampling can be performed.
According to the embodiment, the following detailed description will be given to the gas storage device 103, the gas storage device 103 further includes a lifting cavity 52 disposed in the sliding plug 24 and located below the sliding rod cavity 46, the lifting cavity 52 is communicated with the sliding rod cavity 46, an auxiliary electromagnet 53 is fixedly connected to the inner wall of the lower side of the lifting cavity 52, a lifting slider 50 is fixedly connected to the inner wall of the lifting cavity 52, an auxiliary spring 51 is connected between the lifting slider 50 and the auxiliary electromagnet 53, a plug pin 42 is slidably connected to the end surface of the upper side of the lifting slider 50, an auxiliary plug pin hole 48 penetrating up and down is disposed on the connecting rod 43, the plug pin 42 penetrates through the auxiliary plug pin hole 48, a sliding hole 20 penetrating left and right is disposed on the inner wall of the left side of the sampling tube 19, a sliding rod 38 extending left and right is slidably connected to the sliding hole 20, and a sliding pin hole 47 penetrating, the bolt 42 can extend into the bolt hole 47, the lower end face of the sliding rod 38 is slidably connected with a sliding block 39 positioned in the power cavity 14, the front end face of the sliding block 39 is hinged with a rotating rod 40, the lower end of the rotating rod 40 is hinged with the fixed rod 41, the left end face of the sliding rod 38 is fixedly connected with a permanent magnet 37, the left inner wall of the power cavity 14 is fixedly connected with an electromagnet 35, an auxiliary compression spring 36 is connected between the electromagnet 35 and the permanent magnet 37, the left inner wall of the sampling tube 19 is provided with a position switch 49, the position switch 49 can be triggered by a piston 22, the upper end face of the sampling drill shaft 13 is fixedly connected with an electromagnetic valve 15, an exhaust pipe 16 is communicated between the electromagnetic valve 15 and the right end face of the sampling tube 19, and the position where the exhaust pipe 16 is communicated with the sampling tube 19 is positioned on the upper side of the, the sliding rod 38 moves left to drive the bolt 42 and the connecting rod 43 to move left, so that the sealing block 44 moves left, the through hole 68 is communicated up and down, and gas can be stored between the sliding plug 24 and the piston 22.
The following detailed description of the steps of using a sampling device for coal field geological exploration with reference to fig. 1 to 7:
at the beginning, the lifting disk 26 and the sliding disk 31 are positioned at the lower limit position, the two drilling blocks 30 are in a closed state, so that the opening at the lower side of the sampling tube 19 is not communicated with the outside, under the elastic action of the auxiliary return spring 64, the limit slide block 65 is positioned at the right limit position, the limit slide block 65 is abutted against the lifting disk 26 to limit the lifting disk 26 to move upwards, the exhaust electromagnetic valve 61 is positioned at a closed state, the auxiliary piston 55 is positioned at the upper limit position, the electromagnet 35 is not electrified, the permanent magnet 37 and the slide rod 38 are positioned at the right limit position under the action of the auxiliary compression spring 36, the sealing block 44 is positioned at the right limit position to ensure that the through hole 68 is not communicated up and down, the auxiliary electromagnet 53 is not electrified, the bolt 42 extends into the bolt hole 47, the piston 22 is positioned at the contact position with the position switch 49, the auxiliary electromagnetic valve 34, the exhaust electromagnetic valve 61 and the electromagnetic valve 15 are positioned, the slide 39 is at the left limit.
When the device works, the rotary drilling machine 11 drives the lifting drill shaft 12 to rotate and move downwards for drilling, when the set depth is reached, the lifting drill shaft 12 stops rotating and moves downwards, the adsorption electromagnet 66 is electrified to adsorb the limit slide block 65 to release the limit on the lifting disc 26, the air pump 17 is started to generate air flow, the air flow is conveyed into the air cavity 54 through the auxiliary air pipe 60 and the air pipe 18 to push the auxiliary piston 55 to move downwards, the auxiliary piston 55 drives the auxiliary rack 56 to move downwards, the auxiliary rack 56 rotates through being meshed with the movable gear 58, the gear 58 moves upwards through being meshed with the movable rack 25, the rack 25 drives the lifting disc 26 to move upwards along the sampling pipe 19, the lifting disc 26 drives the drilling block 30 and the sliding disc 31 to move upwards through the connecting rod 27, when the sliding disc 31 moves upwards to be abutted against the limit ring 29, the lifting disc 26 continues to enable the connecting rod 27 to rotate towards one side close to the symmetric center, the connecting, so that the lower opening of the sampling tube 19 communicates with the outside, the drilling block 30 is positioned in the borehole by moving the drilling block 30 upward by a distance, thereby reducing the resistance of the drilling block 30 to opening by rotation, and then the air pump 17 is stopped,
meanwhile, in the process of moving up the lifting disc 26, the fixed rod 41 is driven to move up, the fixed rod 41 drives the sliding block 39 to push the sliding rod 38 to move left through the rotating rod 40, the sliding rod 38 drives the bolt 42 and the connecting rod 43 to move left, so that the sealing block 44 moves left, the through hole 68 is communicated up and down, then the auxiliary electromagnetic valve 34 is opened, the piston 22 moves up to the upper limit position under the action of the return spring 62, and simultaneously the gas with the depth is pumped into the sampling pipe 19 between the piston 22 and the sliding plug 24 to be stored,
then the lifting drill shaft 12 continues to rotate and move downwards to collect a sample, the sample is stored in the sampling pipe 19 at the lower side of the sliding plug 24, after sampling is completed, the lifting drill shaft 12 reversely moves upwards, the exhaust electromagnetic valve 61 is opened, the auxiliary piston 55 and the auxiliary rack 56 move upwards and reset under the action of the air cavity spring 57, the auxiliary rack 56 moves downwards and resets the rack 25 through meshing connection, so that the lifting disc 26 moves downwards and resets, the lifting disc 26 rotates and resets the drilling block 30 through the connecting rod 27 and closes again, so that the lower side opening of the sampling pipe 19 is not communicated with the outside, so as to store a solid sample, meanwhile, the lifting disc 26 drives the fixing rod 41 to move downwards, under the action of the auxiliary compression spring 36, the permanent magnet 37 and the sliding rod 38 move rightwards and reset, so that the sealing block 44 moves rightwards to the right limit position, so that the through hole 68,
when the lifting drill shaft 12 drives the sampling drill shaft 13 to rise to the ground, the external air storage device is communicated with the electromagnetic valve 15, the electromagnetic valve 15 is opened, the air pump 17 is started to generate air flow, the air flow is conveyed into the air cavity 54 through the air pipe 18 to enable the drilling block 30 to rotate and open again, then the auxiliary air pipe 60 acts to enable the three-way electromagnetic valve 67 to be communicated with the air pump 17, the air flow is conveyed into the sampling pipe 19 through the three-way electromagnetic valve 67 and pushes the piston 22 to move downwards, collected gas between the piston 22 and the sliding plug 24 is conveyed into the external air storage device through the exhaust pipe 16 and the electromagnetic valve 15, then the auxiliary electromagnet 53 is electrified to enable the lifting slide block 50 and the plug pin 42 to move downwards to the lower limit position, the plug pin 42 is separated from the plug pin hole 47, then the electromagnet 35 is electrified to adsorb the permanent magnet 37, the slide rod 38 is moved leftwards to, then the piston 22 drives the sliding plug 24 to move downwards to push the solid sample out of the sampling tube 19, then the air pump 17 stops rotating, the auxiliary electromagnetic valve 34 and the exhaust electromagnetic valve 61 are opened to enable the piston 22, the sliding plug 24 and the auxiliary piston 55 to move upwards and reset, then the adsorption electromagnet 66 is powered off, the limiting slide block 65 moves rightwards and resets under the action of the auxiliary reset spring 64, the electromagnet 35 is powered off, the permanent magnet 37 moves rightwards and resets under the action of the auxiliary compression spring 36, then the auxiliary electromagnet 53 is powered off, the lifting slide block 50 and the plug pin 42 move upwards and reset under the action of the auxiliary spring 51, and the plug pin 42 is inserted into the plug pin hole 47, so that the equipment reset.
The invention has the beneficial effects that: the rotary opening and closing mechanism can be rotationally opened after drilling to a set depth, so that a sample with the set depth can be ensured to be collected, the possibility of sample pollution is reduced, the quality of the collected sample is improved, the rotary opening and closing mechanism can drive the sealing block in the sealing mechanism to move left while being rotationally opened, so that the gas collection cavity is communicated with the outside, the air extraction piston moves upwards to extract gas with the depth under the action of the electromagnetic valve opening and the spring, the gas sampling is realized, after a required gas sample and a fixed sample are collected, the rotary opening and closing mechanism is rotationally closed, and meanwhile, the sealing block in the sealing mechanism moves right to reset, so that the gas collection cavity is in a sealing state, the samples cannot lose and be polluted in the process of moving upwards after the sampling is ensured, therefore, the rotary opening and closing mechanism can simultaneously sample gas and solid samples, the sampling efficiency is improved, and the equipment cost is reduced, meanwhile, the quality of the collected sample can be ensured.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. A coal field geological exploration sampling device comprises a rotary drilling machine;
the rotary drilling machine is provided with a lifting drill shaft, the lower side end face of the lifting drill shaft is provided with a sampling device for collecting samples and storing the samples, the sampling device comprises a sampling drill shaft fixedly connected to the lower side end face of the lifting drill shaft, a power cavity arranged in the sampling drill shaft and provided with a downward opening, and a sampling pipe fixedly connected to the rear inner wall of the power cavity and provided with a downward opening, a lifting device is arranged in the power cavity and can realize the up-and-down movement required for storing the samples, the lifting device comprises a piston slidably connected in the sampling pipe and a reset spring connected between the upper inner wall of the sampling pipe and the piston, the lifting device can realize the up-and-down movement required for conveying the samples to the outside by the up-and-down movement of the piston, and the power cavity at the lower side is internally provided with a gas storage device positioned in the, the gas storage device includes sliding connection in sliding plug in the sampling tube, set up in the sliding plug and through-hole that link up from top to bottom, set up in the sliding plug and with communicating sealed chamber of through-hole, sliding connection in sealed intracavity and can end the sealed piece of through-hole, set up in the sliding plug and be located the left slide bar chamber in sealed chamber, fixed connection in just extend left on the terminal surface of sealed piece left side to the connecting rod in the slide bar intracavity, the gas storage device passes through it realizes to control about the sealed piece the break-make of through-hole to can gather and store the gas of appointed degree of depth.
2. The sampling apparatus for geological exploration of a coal field as claimed in claim 1, wherein: the sampling device also comprises a lifting disc which is connected to the sampling pipe in a sliding manner, two bilaterally symmetrical connecting rods are hinged to the lifting disc, a fixing rod is fixedly connected to the upper end face on the left side of the lifting disc, a rack is fixedly connected to the upper end face on the right side of the lifting disc, a limiting ring which is positioned on the lower side of the lifting disc is fixedly connected to the circumferential end face of the sampling pipe, an auxiliary limiting ring which is positioned on the lower side of the limiting ring is fixedly connected to the circumferential end face of the sampling pipe, a sliding disc which is positioned between the limiting ring and the auxiliary limiting ring is connected to the sampling pipe in a sliding manner, two bilaterally symmetrical drilling blocks are hinged to the sliding disc, an opening on the lower side of the sampling pipe can be sealed after the two drilling blocks are closed, the lower ends of the connecting rods are hinged to the drilling, and an elastic sealing ring which is abutted against the drilling block is arranged at an opening at the lower side of the power cavity.
3. The sampling apparatus for geological exploration of a coal field as claimed in claim 2, wherein: sliding connection has and is located on the power chamber rear side inner wall the lifter plate upside and can with the spacing slider of lifter plate butt, just spacing slider can only remove about, be equipped with the blind hole that the opening is towards left on the inner wall of power chamber left side, fixedly connected with adsorption electromagnet on the inner wall of blind hole left side, adsorption electromagnet with be connected with vice reset spring between the spacing slider.
4. The sampling apparatus for geological exploration of a coal field as claimed in claim 2, wherein: the lifting device further comprises an air pump fixedly connected to the inner wall of the upper side of the power cavity, an auxiliary air pipe located on the right side of the air pump is fixedly connected to the inner wall of the rear side of the power cavity, the auxiliary air pipe is communicated with the air pump and connected with a three-way electromagnetic valve, an auxiliary electromagnetic valve is arranged on the end face of the left side of the sampling pipe, an air cylinder is fixedly connected to the end face of the right side of the sampling pipe, an air cavity is arranged in the air cylinder, an exhaust electromagnetic valve is arranged on the end face of the right side of the air cavity, an air pipe is communicated with the air cavity and connected with the auxiliary air pipe, an auxiliary piston is slidably connected in the air cavity, an air cavity spring is connected between the auxiliary piston and the inner wall of the lower side of the air cavity, an auxiliary rack extending downwards to the end face of the air cavity is fixedly connected to the end face of the lower side of, the gear shaft is fixedly connected with a gear meshed with the auxiliary rack, the gear is meshed with the rack, and a compression spring is connected between the piston and the sliding plug.
5. The sampling apparatus for geological exploration of a coal field as claimed in claim 2, wherein: the gas storage device also comprises a lifting cavity which is arranged in the sliding plug and positioned at the lower side of the sliding rod cavity, the lifting cavity is communicated with the sliding rod cavity, the inner wall of the lower side of the lifting cavity is fixedly connected with an auxiliary electromagnet, the inner wall of the lifting cavity is fixedly connected with a lifting slide block, an auxiliary spring is connected between the lifting slide block and the auxiliary electromagnet, the end surface of the upper side of the lifting slide block is slidably connected with a bolt, the connecting rod is provided with an auxiliary bolt hole which is through up and down, the bolt penetrates through the auxiliary bolt hole, the inner wall of the left side of the sampling tube is provided with a slide hole which is through left and right, the slide hole is slidably connected with a slide rod which extends left and right, the slide rod is provided with a bolt hole which is through up and down, the bolt can extend into the bolt hole, the end surface of the lower, just the bull stick lower extreme with the dead lever is articulated mutually, fixedly connected with permanent magnet on the slide bar left side terminal surface, fixedly connected with electro-magnet on the inner wall of power chamber left side, the electro-magnet with be connected with vice compression spring between the permanent magnet, be equipped with position switch on the inner wall of sampling pipe left side, just position switch can be triggered by the piston, fixedly connected with solenoid valve on the side end surface of sampling drill spindle, the solenoid valve with communicate with each other between the sampling pipe right side terminal surface and be connected with the blast pipe, just the blast pipe with the sampling pipe communicates with each other the department and is located the sliding plug upside.
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| CN201911061930.7A CN110726582B (en) | 2019-11-01 | 2019-11-01 | Coal field geological exploration sampling device |
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| CN115144216A (en) * | 2022-06-21 | 2022-10-04 | 李文斌 | Hydraulic engineering geological detection sampling tool and geological sampling method |
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| CN118501403A (en) * | 2024-05-27 | 2024-08-16 | 西藏铭禹工程咨询有限公司 | A geological survey rock and soil detection device based on electromagnetic induction |
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Effective date of registration: 20200824 Address after: 029100 the Inner Mongolia Autonomous Region Tongliao Zhaluteqi Zaha Nur Development Zone Applicant after: JARUD BANNER ZAHAZUOER COAL INDUSTRY Co.,Ltd. Address before: 22 xinlou village, Jianshan town, Pan'an County, Jinhua City, Zhejiang Province Applicant before: Pan'an Yelian Coal Mine Equipment Co.,Ltd. |
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