A smaller gauge coring drilling apparatus

Abstract

The application discloses a smaller-caliber coring drilling equipment and relates to the technical field of drilling equipment, which comprises a main frame, a drilling assembly, a flushing assembly, a discharging assembly and a receiving assembly are arranged on the main frame, the receiving assembly is arranged in front of the drilling assembly, the flushing assembly and the discharging assembly are both arranged behind the drilling assembly, and the discharging assembly is arranged above the flushing assembly. The smaller-caliber coring drilling equipment is used to continuously knock the drill rod through the discharging assembly, and the flushing assembly is combined to continuously flush the rock core in the drill rod, so that the rock core is discharged more quickly and completely. The receiving assembly is arranged to receive the rock core, so that the rock core is prevented from being broken when being discharged and contacting a rigid structure.

Description

Technical Field

[0001] This invention relates to the field of drilling equipment technology, and in particular to a smaller diameter coring drilling device. Background Technology

[0002] In numerous fields such as geological exploration, building foundation testing, and mineral exploration, core drilling is a crucial method for obtaining underground samples for analysis and research. With technological advancements and in-depth research, the demand for smaller diameter core samples is increasing. On one hand, smaller diameter cores reduce damage to the surrounding environment and structures, especially in areas with high site disturbance requirements, such as densely populated urban areas and cultural relic protection zones. On the other hand, for certain special geological structures or intricate research projects, smaller diameter core samples can provide more precise information. However, existing core drilling equipment struggles to extract cores when using smaller diameter samples. Summary of the Invention

[0003] The purpose of this invention is to provide a smaller diameter coring drilling device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides a smaller diameter coring drilling device, including a main frame, on which a drilling assembly, a flushing assembly, a feeding assembly, and a receiving assembly are arranged. The receiving assembly is located in front of the drilling assembly, and the flushing assembly and the feeding assembly are both located behind the drilling assembly, with the feeding assembly located above the flushing assembly.

[0005] Preferably, the drilling assembly includes a drilling rig body mounted on the main frame, with a drill rod connected to the lower part of the drilling rig body. The drill rod includes an upper section and a lower section, both of which are hollow structures. A spiral flow channel is provided on the inner wall of the upper section, and an inlet is also provided on the side wall of the upper section, with the inlet located at the liquid inlet end of the spiral flow channel.

[0006] Preferably, the flushing assembly includes a liquid supply tank located at the rear end of the main frame, a liquid supply pump is installed in the liquid supply tank, one end of the liquid supply pump is connected to a liquid supply pipe, and the other end of the liquid supply pipe extends out of the liquid supply tank and is connected to the inlet.

[0007] Preferably, the feeding assembly includes a feeding box and a connecting box connected together. The connecting box has an outlet on its outer side. A shaped plate is fixedly installed on one side of the inside of the liquid supply box. A slide rail is fixedly connected to one side of the shaped plate. A servo motor is installed on the other side of the shaped plate. The output end of the servo motor passes through the shaped plate and the slide rail and is fixedly connected to a rotating ring. The outer ring of the rotating ring is rotatably connected to one end of a connecting rod. The other end of the connecting rod is rotatably connected to a slider. The slider is slidably connected to the slide rail.

[0008] The slide rail is also provided with a sleeve at one end, and the other end of the slider is fixedly connected to a connecting rod two. The connecting rod two passes through the sleeve and is fixedly connected to the impact head. The impact head and the connecting rod two extend to the outside through the outlet.

[0009] Preferably, multiple support rods are provided below the slide rail, and the support rods are fixedly connected to the bottom of the feeding box.

[0010] Preferably, the receiving assembly includes a receiving box disposed at the front end of the main frame, and a rotating shaft and a second servo motor are disposed inside the receiving box. The second servo motor and the rotating shaft are arranged side by side and driven by a gear set.

[0011] The top of the rotating shaft passes through the receiving box and is connected to the fixed sleeve. The fixed sleeve is fixedly connected to one end of the connecting rod, and the other end of the connecting rod is fixedly connected to the lower collar. An upper collar is provided above the lower collar, and an outer receiving bag is fixedly connected below the lower collar. An inner receiving bag is also provided inside the outer receiving bag, and the inner receiving bag is located between the lower collar and the upper collar.

[0012] Preferably, two connecting blocks are provided on each side of the upper collar, two connecting posts are provided below the two connecting blocks, and a connecting protrusion is provided below the collar body.

[0013] Two connecting blocks are provided on both sides of the lower collar, and two connecting holes are provided above the two connecting blocks. A connecting groove is also provided above the collar body.

[0014] The connecting groove and the connecting protrusion are adapted to each other, and the connecting hole and the connecting post are adapted to each other.

[0015] Preferably, the inner side of the upper collar is also provided with two symmetrical inner grooves.

[0016] Preferably, the main frame has four support legs at its bottom, and each support leg has a fixing plate at its bottom. The fixing plate has two fixing holes, and two fixing components are installed in the two fixing holes. The two fixing components are connected by a connecting rope, and the connecting rope is wrapped around the support leg.

[0017] Preferably, a support plate is provided on one side of the liquid supply tank, and a controller is provided on the support plate. The controller is electrically connected to the first servo motor, the second servo motor, the liquid supply pump, and the drilling rig body.

[0018] Therefore, the present invention employs a smaller diameter coring drilling device, which continuously strikes the drill rod by setting a feeding component, and continuously flushes the rock core inside the drill rod by a flushing component, so that the rock core is discharged faster and more completely. By setting a receiving component to receive the rock core, the rock core is prevented from breaking when it comes into contact with a rigid structure.

[0019] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an embodiment of a smaller diameter coring drilling device according to the present invention;

[0021] Figure 2 This is a cross-sectional view of the drill rod of a smaller diameter coring drilling device according to the present invention;

[0022] Figure 3 This is a schematic diagram of the internal structure of the feeding assembly of a smaller diameter coring drilling device according to the present invention;

[0023] Figure 4 This is a schematic diagram of the material receiving assembly of a smaller diameter coring drilling device according to the present invention;

[0024] Figure 5 This is a bottom view of the upper collar of a smaller diameter coring drilling device according to the present invention;

[0025] Figure 6 This is a top view of the lower collar of a smaller diameter coring drilling device according to the present invention;

[0026] Figure 7 This is a schematic diagram of the internal structure of the receiving box of a smaller diameter coring drilling device according to the present invention;

[0027] Attached reference numerals: 1. Main frame; 11. Support leg; 12. Fixing plate; 13. Fixing component; 14. Connecting rope; 21. Drill rig body; 22. Drill rod; 221. Upper section rod; 222. Lower section rod; 223. Spiral flow channel; 224. Inlet; 31. Liquid supply tank; 32. Liquid supply pipe; 41. Discharge box; 42. Connecting box; 43. Irregular plate; 44. Slide rail; 45. Servo motor one; 46. Rotary ring; 47. Connecting rod one; 48. Slider; 49. Sleeve; 4 10. Connecting rod 2; 411. Impact head; 412. Support rod; 51. Receiving box; 52. Rotating shaft; 53. Servo motor 2; 54. Gear set; 55. Fixing sleeve; 56. Connecting rod; 57. Upper collar; 571. Connecting block 1; 572. Connecting column; 573. Connecting protrusion; 574. Inner groove; 58. Lower collar; 581. Connecting block 2; 582. Connecting hole; 583. Connecting groove; 510. External receiving bag; 6. Controller; 61. Support plate. Detailed Implementation

[0028] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0030] Example

[0031] Please see Figures 1-7 The present invention provides a smaller diameter coring drilling device, including a main frame 1. The main frame 1 is provided with a drilling component, a flushing component, a feeding component and a receiving component. The receiving component is located in front of the drilling component, the flushing component and the feeding component are both located behind the drilling component, and the feeding component is located above the flushing component.

[0032] The drilling assembly includes a drilling rig body 21 mounted on the main frame 1. A drill rod 22 is connected to the bottom of the drilling rig body 21. The drill rod 22 includes an upper section 221 and a lower section 222. Both the lower section 222 and the upper section 221 are hollow structures. A spiral flow channel 223 is provided on the inner wall of the upper section 221, and an inlet 224 is also provided on the side wall of the upper section 221, located at the fluid inlet end of the spiral flow channel 223. Through the conveying action of the spiral flow channel 223, the flushing fluid is prevented from directly impacting the rock core, as excessive impact could cause the rock core to fracture, affecting its use.

[0033] The flushing assembly includes a liquid supply tank 31 located at the rear end of the main frame 1. A liquid supply pump is installed inside the liquid supply tank 31. One end of the liquid supply pump is connected to a liquid supply pipe 32, and the other end of the liquid supply pipe 32 extends out of the liquid supply tank 31 and connects to an inlet 224. When the liquid supply pump starts, it delivers the flushing liquid in the liquid supply tank 31 to the area above the spiral flow channel 223, allowing it to flow down through the spiral flow channel 223 to flush the rock core and accelerate its descent. In this embodiment, water is used as the flushing liquid.

[0034] The feeding assembly includes a feeding box 41 and a connecting box 42 connected together. The connecting box 42 has an outlet on its outer side. A shaped plate 43 is fixedly installed on one side of the inside of the liquid supply tank 31. A slide rail 44 is fixedly connected to one side of the shaped plate 43. A servo motor 45 is installed on the other side of the shaped plate 43. The servo motor is fixed inside the liquid supply tank 31 by a motor mount. The output end of the servo motor 45 passes through the shaped plate 43 and the slide rail 44 and is fixedly connected to a rotating ring 46. The outer ring of the rotating ring 46 is rotatably connected to one end of a connecting rod 47. The other end of the connecting rod 47 is rotatably connected to a slider 48. The slider 48 is slidably connected to the slide rail 44. A sleeve 49 is provided at the end of the slide rail 44, and a connecting rod 410 is fixedly connected to the other end of the slider 48. The connecting rod 410 passes through the sleeve 49 and is fixedly connected to the impact head 411. The impact head 411 is made of rubber to provide impact force while preventing excessive impact force from causing the rock core to break. The impact head 411 and the connecting rod 410 extend to the outside through the outlet. Several support rods 412 are also provided below the slide rail 44 for support. The support rods 412 are fixedly connected to the bottom of the feed box 41.

[0035] like Figure 3 As shown, when the servo motor 45 starts, it drives the rotating ring 46 to rotate. Through the transmission action of the connecting rod 47 and the slider 48, the rotational motion is converted into linear motion, which in turn drives the connecting rod 410 to move back and forth, so that the impact head 411 continuously impacts the drill rod 22. Combined with the flushing action of the flushing fluid, the rock core is flushed out into the inner receiving bag.

[0036] The receiving assembly includes a receiving box 51 located at the front end of the main frame 1. The receiving box 51 contains a rotating shaft 52 and a servo motor 53. Figure 7As shown, the output ends of the rotating shaft 52 and the servo motor are both connected to the receiving box 51 via bearings. The servo motor 53 and the rotating shaft 52 are arranged side by side and driven by the gear set 54. The top of the rotating shaft 52 passes through the receiving box 51 and is connected to the fixed sleeve 55. The fixed sleeve 55 is fixedly connected to one end of the connecting rod 56, and the other end of the connecting rod 56 is fixedly connected to the lower collar 58. An upper collar 57 is provided above the lower collar 58. An outer receiving bag 510 is fixedly connected to the lower collar 58. The outer receiving bag 510 is made of steel wire, which has a certain degree of elasticity and is strong, so as to prevent the inner receiving bag from breaking due to excessive impact force when the rock core falls, thus preventing the rock core from breaking upon landing. An inner receiving bag is also provided inside the outer receiving bag 510. The inner receiving bag is located between the lower collar 58 and the upper collar 57. The inner receiving bag is made of a certain material, and multiple bags are provided. After drilling, they are used to collect the fallen rock core and seal it for packaging.

[0037] like Figure 1 The diagram shows the position of the receiving component when receiving material. When not receiving material, the receiving component rotates 90° to the left and retracts above the main frame 1. When the receiving component needs to receive material, servo motor 2 53 starts and rotates clockwise, driving the rotating shaft 52 to rotate through gear set 54, so that the outer receiving bag 510 is located directly below the drill rod 22. When the next drilling is needed, the inner receiving bag is taken out, the rock core is packed, and servo motor 2 53 is started again. At this time, servo motor 2 53 rotates counterclockwise, so that the outer receiving bag 510 rotates back to above the main frame 1.

[0038] Two connecting blocks 571 are provided on each side of the upper collar 57, and two connecting posts 572 are provided below the two connecting blocks 571. A connecting protrusion 573 is also provided below the ring body of the upper collar 57. Two connecting blocks 581 are provided on each side of the lower collar 58, and two connecting holes 582 are provided above the two connecting blocks 581. A connecting groove 583 is also provided above the ring body of the lower collar 58. The connecting groove 583 and the connecting protrusion 573 are adapted to each other, and the connecting holes 582 and the connecting posts 572 are adapted to each other. The upper collar 57 and the lower collar 58 are connected by a snap-fit ​​connection, which is simple and strong. The inner receiving bag can be fixed by placing the upper outer edge of the inner receiving bag between the connecting groove 583 and the connecting protrusion 573. The inner side of the upper collar 57 is also symmetrically provided with two inner grooves 574. The inner grooves 574 are provided to facilitate the removal of the upper collar 57. By inserting a finger into the inner groove 574, the upper collar 57 can be lifted upward to separate it from the lower collar 58.

[0039] Four support legs 11 are installed below the main frame 1. Each support leg 11 has a fixing plate 12 underneath. The fixing plate 12 has two fixing holes, and two fixing parts 13 are installed in the two fixing holes. The two fixing parts 13 are connected by a connecting rope 14, which is wrapped around the support leg 11. The connecting parts are anchor nails. The fixing plate 12 is fixed by the anchor nails to prevent the main frame 1 from shifting during drilling, which would cause the drilling direction to deviate. The anchor nails can be driven into the fixing holes with the help of tools such as stones or hammers on site. The two anchor nails are wrapped around the support leg 11 by the connecting rope to prevent the anchor nails from being lost during transportation.

[0040] A support plate 61 is provided on one side of the liquid supply tank 31. A controller 6 is provided on the support plate 61. The controller 6 is electrically connected to the servo motor 45, the servo motor 53, the liquid supply pump, and the drilling rig body 21. The controller 6 controls the start and stop of the servo motor 45, the servo motor 53, the liquid supply pump, and the drilling rig body 21, as well as the mode and operating parameters during operation. This part of the electrical control adopts mature existing technology in this field, which will not be described in detail here.

[0041] In this embodiment, the specific connection methods of each component all adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0042] In practical use, the equipment is moved to the drilling position, and the four legs 11 are fixed with anchor nails. After fixing, the drilling rig body 21 is started by the controller 6. The drilling rig body 21 drives the drill rod 22 to rotate and move downward to drill. After drilling is completed, the drilling rig body 21 drives the drill rod 22 to be retrieved to the designated position. The material receiving component is started by the controller 6 and rotated to be directly below the drill rod 22. After adjusting the position of the material receiving component, the flushing component and the material feeding component are started by the controller 6 at the same time. Through the impact of the impact head 411 and the flushing action of the flushing fluid, the rock core falls into the inner material receiving bag. After collection, the flushing component and the material feeding component are turned off, the upper collar 57 and the lower collar 58 are separated, the inner material receiving bag is taken out and packaged, and a new inner material receiving bag is replaced. The material receiving component is then reset by the controller 6, and the above process is repeated for the next drilling operation.

[0043] Therefore, the present invention employs a smaller diameter coring drilling device, which continuously strikes the drill rod by setting a feeding component, and continuously flushes the rock core inside the drill rod by a flushing component, so that the rock core is discharged faster and more completely. By setting a receiving component to receive the rock core, the rock core is prevented from breaking when it comes into contact with a rigid structure.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solutions of the present invention, and these modifications or equivalent substitutions cannot cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A smaller diameter coring drilling device, characterized in that: The system includes a main frame on which a drilling assembly, a flushing assembly, a feeding assembly, and a receiving assembly are mounted. The receiving assembly is located in front of the drilling assembly, and the flushing assembly and the feeding assembly are both located behind the drilling assembly, with the feeding assembly located above the flushing assembly. The drilling assembly includes a drilling rig body mounted on the main frame. A drill rod is connected to the lower part of the drilling rig body. The drill rod includes an upper section and a lower section. Both the lower section and the upper section are hollow structures. A spiral flow channel is provided on the inner wall of the upper section. An inlet is also provided on the side wall of the upper section. The inlet is located at the liquid inlet end of the spiral flow channel. The flushing assembly includes a liquid supply tank located at the rear end of the main frame. A liquid supply pump is installed inside the liquid supply tank. One end of the liquid supply pump is connected to a liquid supply pipe, and the other end of the liquid supply pipe extends out of the liquid supply tank and is connected to the inlet. The feeding assembly includes a feeding box and a connecting box connected together. An outlet is provided on the outside of the connecting box. A shaped plate is fixedly installed on one side of the inside of the liquid supply box. A slide rail is fixedly connected to one side of the shaped plate. A servo motor is installed on the other side of the shaped plate. The output end of the servo motor passes through the shaped plate and the slide rail and is fixedly connected to a rotating ring. The outer ring of the rotating ring is rotatably connected to one end of a connecting rod. The other end of the connecting rod is rotatably connected to a slider. The slider is slidably connected to the slide rail. The slide rail is also provided with a sleeve at one end, and the other end of the slider is fixedly connected to a connecting rod two. The connecting rod two passes through the sleeve and is fixedly connected to the impact head. The impact head and the connecting rod two extend to the outside through the outlet.

2. The smaller diameter coring drilling equipment according to claim 1, characterized in that: Several support rods are also provided below the slide rail, and the support rods are fixedly connected to the bottom of the feeding box.

3. The smaller diameter coring drilling equipment according to claim 2, characterized in that: The receiving assembly includes a receiving box located at the front end of the main frame. The receiving box contains a rotating shaft and a second servo motor. The second servo motor and the rotating shaft are arranged side by side and driven by a gear set. The top of the rotating shaft passes through the receiving box and is connected to the fixed sleeve. The fixed sleeve is fixedly connected to one end of the connecting rod, and the other end of the connecting rod is fixedly connected to the lower collar. An upper collar is provided above the lower collar, and an outer receiving bag is fixedly connected below the lower collar. An inner receiving bag is also provided inside the outer receiving bag, and the inner receiving bag is located between the lower collar and the upper collar.

4. A smaller diameter coring drilling device according to claim 3, characterized in that: Two connecting blocks are provided on each side of the upper collar, and two connecting posts are provided below the two connecting blocks. A connecting protrusion is also provided below the ring body of the upper collar. Two connecting blocks are provided on both sides of the lower collar, and two connecting holes are provided above the two connecting blocks. A connecting groove is also provided above the collar body. The connecting groove and the connecting protrusion are adapted to each other, and the connecting hole and the connecting post are adapted to each other.

5. A smaller diameter coring drilling device according to claim 4, characterized in that: The inner side of the upper collar is also symmetrically provided with two inner grooves.

6. A smaller diameter coring drilling device according to claim 5, characterized in that: The main frame has four support legs at its bottom, and each support leg has a fixing plate at its bottom. The fixing plate has two fixing holes, and two fixing components are installed in the two fixing holes. The two fixing components are connected by a connecting rope, which is wrapped around the support leg.

7. A smaller diameter coring drilling device according to claim 6, characterized in that: A support plate is provided on one side of the liquid supply tank, and a controller is provided on the support plate. The controller is electrically connected to the first servo motor, the second servo motor, the liquid supply pump, and the drilling rig body.

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