Downhole drilling sampling device

Abstract

The underground drilling sampling device comprises a supporting seat, a drilling mechanism and a collecting mechanism, a portal frame is fixedly arranged on the supporting seat, a sliding groove is formed in the inner side face of the portal frame, the drilling mechanism is movably arranged in the portal frame, and the drilling mechanism is composed of a hydraulic air cylinder, a drilling motor, a drilling rod, a sleeve and a guide plate. The collecting mechanism is composed of a collecting motor, a driving frame and a collecting cup, the drilling mechanism drives a drilling rod to drill through the drilling motor, the drilling depth can be adjusted through driving of a hydraulic air cylinder, and drilled soil is discharged through a discharging pipe arranged on one side of a sleeve and fed into the collecting cup in the collecting mechanism to be stored. The collecting motor can drive the driving frame to rotate in the sleeve, so that the position of the collecting cup can be conveniently adjusted to cooperate with collection. The soil sampler has the advantages of being convenient to collect soil samples, improving working efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of mine drilling, in particular to an underground drilling sampling device. Background Art

[0002] Mine drilling refers to a geological project that uses certain drilling machinery and technology to obtain rock and mineral cores below the surface in order to make reliable evaluations of geological and mineral resource parameters.

[0003] The patent website discloses a mine drilling sampling device (Announcement No.: CN 216691074 U), including a base, a group of support components are provided at the left and right ends of one end of the base, the two groups of support components are symmetrically distributed and each group is provided with two, the left and right ends of the other end of the base are provided with support seats, the middle part of the other end of the base is provided with a through hole that passes through up and down, a drilling device is provided between the two support seats, and a support frame is provided at the other end of the two support seats. The mine drilling sampling device described in the utility model is provided with a support component, a drilling device and an adjustment device, and the use length of the column and the anti-slip seat is adjusted according to the flatness of the ground, thereby improving the stability of the equipment, and the motor drives the drill rod and the auxiliary spiral frame to improve the drilling effect, and at the same time, the soil below the surface is convenient to be discharged from the discharge port, and the hydraulic cylinder drives the push rod so that the equipment can increase the drilling depth.

[0004] The above technology has the following defects in use: as the drill rod rotates, when the soil is discharged from the discharge port, it will directly fall into the equipment from the discharge port, making it difficult to collect sampling samples and reducing work efficiency. At the same time, the soil discharged from the discharge port is easy to fall into the equipment, which brings inconvenience to the later cleaning of the equipment. Therefore, there is room for improvement. Utility Model Content

[0005] The utility model provides a downhole drilling sampling device to solve the problems raised in the background technology.

[0006] In order to solve the above problems, the utility model provides a downhole drilling sampling device, including a support seat, a drilling mechanism, and a collecting mechanism. A movable opening is opened in the middle of the support seat, a gantry is fixedly provided on the support seat, a slide groove is opened in the inner side surface of the gantry, and the drilling mechanism is movably arranged in the gantry. The drilling mechanism is composed of a hydraulic cylinder, a drilling motor, a drill rod, a sleeve, and a guide plate. The hydraulic cylinder is arranged at the top of the gantry, and the telescopic end is connected to the top of the drilling motor. The drilling motor is arranged in the middle above the guide plate. The guide plate is slidably arranged in the gantry, and sliders slidably connected to the slide grooves are installed at both ends of the guide plate. The sleeve is fixedly installed at the lower middle part of the guide plate and movably passes through the movable opening in the support seat. The drill rod is rotatably arranged in the sleeve. The top end is rotatably provided with a guide plate and connected with the power output shaft of the drilling motor. The outer surface of the drill rod is fixed with a spiral blade. A discharge pipe is provided on one side of the sleeve. The collecting mechanism is rotatably arranged on the upper part of the sleeve. The collecting mechanism is composed of a collecting motor, a driving frame and a collecting cup. The collecting motor is installed under the guide plate through a fixed plate. The driving frame is annular and is provided with an inner ring and an outer ring. The driving frame is rotatably sleeved in the sleeve through the inner ring, and a rack surrounding the inner ring is provided in the upper surface of the inner ring. A plurality of placement grooves are provided in the outer ring of the driving frame. The collecting cup is movably arranged in the placement groove, and the collecting cup is located directly below the discharge pipe. A driving gear is installed on the power output shaft of the collecting motor, and the driving gear is meshed with the rack in the inner ring.

[0007] Preferably: the bottom of the support seat is provided with an adjustable support foot, the adjustable support foot is composed of an adjustable base and a support foot, the adjustable base is fixedly installed at the four corners of the bottom of the support base, the support foot is threadedly connected to the adjustment base, and two spirit levels are symmetrically provided on the front and rear sides of the support base.

[0008] Preferably, the discharge pipe is inclined downward, and a port of the discharge pipe is located at the mouth of the collection cup.

[0009] Preferably, two card slots are symmetrically provided in the placement slot of the outer ring in the driving frame, and card blocks matching and card-engaged in the card slots are fixedly provided on both sides of the top of the collecting cup.

[0010] Preferably, the upper end of the collecting cup is transparent.

[0011] The beneficial effects of adopting the above technical solution are:

[0012] By using a level meter and adjusting the support feet, the equipment can be adjusted to a level, which makes it easier to keep it vertical during sampling and improve sampling efficiency.

[0013] Through the setting of the drilling mechanism, the hydraulic cylinder drives the drilling motor to move up and down, and the sleeve and the drill rod can be moved up and down in the gantry by cooperating with the movable plate, so as to adjust the drilling depth. At the same time, the spiral blade in the drill rod can be matched with the sleeve to transport the drilled soil sample upward, and then discharged from the discharge pipe, so as to improve the drilling efficiency.

[0014] The soil sample discharged from the discharge pipe falls into the collection cup in the collection mechanism, thereby improving work efficiency and preventing the soil sample from being scattered into the equipment, causing inconvenience in subsequent cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure of part A.

[0017] Figure 3 It is a structural schematic diagram of the driving frame, i.e., the collecting cup, of the utility model.

[0018] Among them: 1-support seat; 11-movable opening; 12-gantry; 121-slide; 2-drilling mechanism; 21-hydraulic cylinder; 22-drilling motor; 23-drill rod; 231-spiral blade; 24-sleeve; 241-discharging pipe; 25-guide plate; 251-slider; 3-collecting mechanism; 31-collecting motor; 32-driving frame; 321-inner ring; 322-outer ring; 323-rack; 324-placing slot; 325-card slot; 33-collecting cup; 331-card block; 34-fixed plate; 4-adjusting support foot; 41-adjusting base; 42-support foot; 5-level meter. DETAILED DESCRIPTION

[0019] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, a movable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figure 1-3 In this embodiment, a downhole drilling sampling device includes a support seat 1, a drilling mechanism 2, and a collecting mechanism 3. The support seat 1 is provided with a movable opening in the middle. A gantry 12 is fixedly provided on the support seat 1. A slide groove 121 is provided in the inner side of the gantry 12. The drilling mechanism 2 is movably arranged in the gantry 12. The drilling mechanism 2 is composed of a hydraulic cylinder 21, a drilling motor 22, a drill rod 23, a sleeve 24, and a guide plate 25. The hydraulic cylinder 21 is arranged at The top of the gantry 12 is connected to the top of the drilling motor 22, and the drilling motor 22 is arranged in the middle of the upper guide plate 25. The guide plate 25 is slidably arranged in the gantry 12, and the two ends of the guide plate 25 are equipped with sliders 251 slidably connected to the slide groove 121. The sleeve 24 is fixedly installed at the lower middle part of the guide plate 25 and movably penetrates the movable opening 11 in the support seat 1. The drill rod 23 is rotatably arranged in the sleeve 24, and the top end rotates to penetrate the guide plate 25 and the drill rod 23 is rotatably arranged in the sleeve 24. The power output shaft of the probe motor 22 is connected, the outer surface of the drill rod 23 is fixed with a spiral blade 231, and one side of the sleeve 24 is provided with a discharge pipe 241. The collecting mechanism 3 is rotatably arranged on the upper part of the sleeve 24. The collecting mechanism 3 is composed of a collecting motor 31, a driving frame 32, and a collecting cup 33. The collecting motor 31 is installed below the guide plate 25 through a fixing plate 34. The driving frame 32 is annular and is provided with an inner ring 321 and an outer ring 322. The driving frame 32 is provided with an inner ring 321 and an outer ring 322. The side ring 321 is rotatably sleeved in the sleeve 24, and a rack 323 surrounding the inner ring 321 is provided on the upper surface of the inner ring 321, and a plurality of placement grooves 324 are provided in the outer ring 322 of the driving frame 32. The collecting cup 33 is movably arranged in the placement groove 324, and the collecting cup 33 is located directly below the discharge pipe 241. A driving gear 311 is installed on the power output shaft of the collecting motor 31, and the driving gear 311 is meshed with the rack 323 in the inner ring 321.

[0023] Through the above technical solution, when in use, the drilling motor 22 drives the drill rod 23 to rotate in the sleeve 24 to perform drilling sampling work, and the hydraulic cylinder 21 drives the drilling motor 22 to move up and down, and then the drilling motor 22 cooperates with the guide plate 25 to move up and down through the slider 251 under the restriction of the slide groove 121 in the gantry 12 to maintain the stability of the movement, and at the same time drives the sleeve 24 and the drill rod 23 to move up and down, so that the drilling depth can be adjusted, and at the same time, the spiral blade 231 in the drill rod 23 cooperates with the sleeve 24, so that the drilled sample is directly transported upward in the sleeve 24 and discharged from the discharge pipe 241. The discharged soil sample enters the collection cup 33 in the collection mechanism 3. When a collection cup 33 is full of soil, Afterwards, the collection motor 31 drives the driving gear 311 to rotate, driving the meshing rack 323 to make the driving frame 32 rotate in the sleeve 24 through the inner ring 321, and then the outer ring 322 rotates synchronously, and the collecting cup 33 placed in the placement groove 324 is replaced, so that the empty collecting cup 33 is located below the discharge pipe 241, and the collecting cup 33 full of soil samples is moved out from under the discharge pipe 241, so that the collecting cup 33 after collecting the soil sample is removed from the placement groove 324 of the outer ring 322 for unified collection, and the empty collecting cup 33 is placed in the placement groove 324 to continue working, which improves the working efficiency of drilling sampling and prevents the soil samples from being scattered in the equipment, which is inconvenient for subsequent cleaning of the equipment.

[0024] Preferably: the support base 1 is provided with an adjustable support foot 4 at the bottom, and the adjustable support foot 4 is composed of an adjustable base 41 and a support foot 42. The adjustable base 41 is fixedly installed at the four corners of the bottom of the support base 1, and the support foot 42 is threadedly connected to the adjustable base 41. Two spirit levels 5 are symmetrically installed on the front and rear sides of the support base 1.

[0025] Through the above technical solution, the spirit level 5 cooperates with the setting of the adjustable support foot 4 to facilitate adjusting the support base 1 to a horizontal state, thereby ensuring the verticality of the drill rod 23 and the ground during drilling sampling and improving the sampling effect.

[0026] Preferably, the discharge pipe 241 is inclined downward, and a port of the discharge pipe 241 is located at the cup mouth of the collection cup 33 .

[0027] Through the above technical solution, the inclined setting of the discharge pipe 241 makes it easier for the soil sampled by drilling to be discharged from the discharge pipe 241 and effectively enter the collection cup 33.

[0028] Preferably, two clamping grooves 325 are symmetrically provided in the placement groove 324 of the outer ring 322 of the driving frame 32 , and clamping blocks 331 matching and clamped in the clamping grooves 325 are fixedly provided on both sides of the top of the collecting cup 33 .

[0029] Through the above technical solution, the block 331 on the top of the collecting cup 33 cooperates with the slot 325 in the placement slot 324 , so that the collecting cup 33 is relatively stable after being placed in the placement slot 324 .

[0030] Preferably, the upper end of the collecting cup 33 is transparent.

[0031] Through the above technical solution, the transparent top of the collecting cup 33 makes it easy for the staff to observe the collection situation in the collecting cup 33 and prevents the excessive soil collected in the collecting cup 33 from scattering out of the collecting cup 33 .

[0032] Finally, it should be noted that the above implementation cases are only used to illustrate the present invention, rather than to limit the technical solutions described in the present invention; therefore, although this specification has described the present invention in detail with reference to the above-mentioned embodiments, ordinary technicians in this field should understand that the present invention can still be modified or replaced by equivalents, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention; the technology not described in detail in the present invention is implemented with the existing technology.

Claims

1. A downhole drilling sampling device, comprising a support seat, a drilling mechanism, and a collecting mechanism, characterized in that: A movable opening is provided in the middle of the support seat, a gantry is fixedly provided on the support seat, a slide groove is provided in the inner side surface of the gantry, the drilling mechanism is movably arranged in the gantry, and the drilling mechanism is composed of a hydraulic cylinder, a drilling motor, a drill rod, a sleeve, and a guide plate. The hydraulic cylinder is arranged at the top of the gantry, and the telescopic end is connected to the top of the drilling motor. The drilling motor is arranged in the middle above the guide plate, the guide plate is slidably arranged in the gantry, and sliders slidably connected to the slide groove are installed at both ends of the guide plate. The sleeve is fixedly installed at the lower middle part of the guide plate and movably penetrates the movable opening in the support seat, the drill rod is rotatably arranged in the sleeve, and the top end is rotatably penetrated by the guide plate and the power transmission of the drilling motor. The drill pipe is connected to the discharge shaft, and a spiral blade is fixed on the outer surface of the drill rod. A discharge pipe is provided on one side of the sleeve. The collecting mechanism is rotatably arranged on the upper part of the sleeve. The collecting mechanism is composed of a collecting motor, a driving frame, and a collecting cup. The collecting motor is installed below the guide plate through a fixed plate. The driving frame is annular and is provided with an inner ring and an outer ring. The driving frame is rotatably sleeved in the sleeve through the inner ring, and a rack surrounding the inner ring is provided in the upper surface of the inner ring. A plurality of placement grooves are provided in the outer ring of the driving frame. The collecting cup is movably arranged in the placement groove, and the collecting cup is located directly below the discharge pipe. A driving gear is installed on the power output shaft of the collecting motor, and the driving gear is meshed with the rack in the inner ring.

2. A downhole drilling sampling device according to claim 1, characterized in that: An adjustable support foot is provided at the bottom of the support seat, and the adjustable support foot is composed of an adjustable base and a support foot. The adjustable base is fixedly installed at the four corners of the bottom of the support base, and the support foot is threadedly connected to the adjustment base. Two spirit levels are symmetrically provided on the front and rear sides of the support base.

3. A downhole drilling sampling device according to claim 1, characterized in that: The discharge pipe is in a downwardly inclined shape, and the port of the discharge pipe is located at the cup mouth of the collecting cup.

4. A downhole drilling sampling device according to claim 1, characterized in that: Two clamping grooves are symmetrically arranged in the placement groove of the outer ring in the driving frame, and clamping blocks matching and clamping in the clamping grooves are fixedly arranged on both sides of the top of the collecting cup.

5. A downhole drilling sampling device according to claim 1, characterized in that: The upper end portion of the collecting cup is transparent.

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