Coal mine geological drilling device with adjustable drilling angle

Abstract

The invention relates to a coal mine geological drilling device with an adjustable drilling angle, and belongs to the technical field of coal mine geological drilling tools. Comprising a base, a moving mechanism is arranged at the lower end of the base, and the base is driven to move through the moving mechanism; a movable plate is arranged at the upper end of the base through a sliding mechanism, and the sliding mechanism drives the movable plate to slide in the front-back direction; a lifting plate is arranged at the upper end of the movable plate through a lifting mechanism, and the lifting plate is controlled to ascend and descend through the lifting mechanism; a U-shaped frame is arranged on the lifting plate through an angle adjusting mechanism, a rotary drum is arranged in the U-shaped frame through a pushing mechanism, and the rotary drum is controlled to advance and retreat through the pushing mechanism; a rotating mechanism is further arranged between the U-shaped frame and the rotating drum, and the rotating drum is driven to rotate through the rotating mechanism; the problems that the existing coal mine geological drilling rock core is difficult to discharge and the drilling angle is limited are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine geological drilling tools, and in particular relates to a coal mine geological drilling device with adjustable drilling angle. Background Art

[0002] Geological drilling is a geological engineering activity that uses specific drilling equipment and techniques to obtain rock and mineral cores below the surface in order to reliably evaluate geological and mineral resource parameters; drilling or exploration is a mechanical engineering technology that uses deep drilling to exploit underground or seabed natural resources, obtain the actual situation of stratigraphic profiles, and collect physical samples for experiments and data collection; common drilling methods include auger, flushing, impact, rotary, coring, non-coring, rotary impact, hand drill, rotary vane drill, water percussion drill and clay cutting pipe, etc.; depending on the specific terrain, environment and actual situation, the applicable drilling method will also be adjusted; currently Drilling equipment can usually only use a single drilling method, such as coring. When using the coring method for drilling, the drill bit is tubular, and after drilling into the ore area, the rock is brought into the tube, and then the tube is taken out to obtain the core sample. However, the current drilling equipment has the problems of difficulty in core extraction and poor discharge of waste exploration materials. In addition, when drilling, the current drilling equipment mostly has a horizontal or vertical drilling angle, and two types of drilling equipment are required for horizontal or vertical drilling. At the same time, the material in the sample obtained by vertical drilling is not as rich as the material in the horizontal or inclined drilling sample. Therefore, it is necessary to improve and deal with the above problems. Summary of the invention

[0003] The invention overcomes the shortcomings of the prior art and provides a coal mine geological drilling device with adjustable drilling angle, thereby solving the problems of difficult core discharge and limited drilling angle in current coal mine geological drilling.

[0004] In order to achieve the above object, the present invention is implemented through the following technical solutions.

[0005] A coal mine geological drilling device with adjustable drilling angle comprises a base, a moving mechanism is arranged at the lower end of the base, and the base is driven to move by the moving mechanism; a moving plate is arranged at the upper end of the base by a sliding mechanism, and the moving plate is driven to slide along the front-back direction by the sliding mechanism; a lifting plate is arranged at the upper end of the moving plate by a lifting mechanism, and the lifting and lowering of the lifting plate is controlled by the lifting mechanism; a U-shaped frame is arranged on the lifting plate by an angle adjustment mechanism, and a rotating drum is arranged inside the U-shaped frame by a pushing mechanism, and the rotating drum is controlled to move forward and backward by the pushing mechanism; a rotating mechanism is also arranged between the U-shaped frame and the rotating drum, and the rotating drum is driven to rotate by the rotating mechanism.

[0006] Furthermore, the moving mechanism includes a connecting rod, a supporting block, a roller, and a push handle; a connecting rod is fixedly arranged on the left and right end faces of the base, and a roller is arranged on the front and rear sides of the lower end face of the connecting rod; a U-shaped groove is arranged at the front and rear ends of the connecting rod, and a T-shaped supporting block is rotatably arranged inside each U-shaped groove; a push handle is fixedly arranged between the rear ends of the connecting rods on both sides.

[0007] Furthermore, the sliding mechanism includes a positioning box, a limit box, a limit block, and a first spring; two left-right symmetrical positioning boxes are fixedly arranged on the upper end surface of the base, and a positioning groove extending forward and backward is arranged on the top plate of the positioning box; a row of limit boxes are respectively arranged on the side walls of the two positioning boxes on the side away from each other, the limit boxes are connected with the interior of the positioning boxes, and a limit groove extending left and right is arranged on the top plate of each limit box; a limit block is respectively fixed and slidably arranged inside each limit box, and a first spring is arranged on the side of the limit block away from the positioning box, and the two ends of the first spring are respectively fixedly connected to the limit block and the inner wall of the limit box; the rear edge of the end surface of one side of the limit block facing the positioning box is arranged as an inclined surface; when the first spring is in a freely extended state, the end of the wedge block provided with the inclined surface extends into the interior of the positioning box.

[0008] Furthermore, the sliding mechanism also includes a positioning block, a guide rod, a second spring, a wedge block, a U-shaped plate, and an electric push rod; a front and rear horizontal guide rod is fixedly arranged inside each positioning box, a wedge block is slidably sleeved on the outer side of the guide rod, and a slope is arranged at the front end of the end face of the wedge block close to the limit box; a second spring is arranged on the front side of the wedge block; an electric push rod is respectively arranged on the front and rear sides of each positioning box, a U-shaped plate is fixedly arranged between the piston rod ends of the two electric push rods, and a plurality of positioning blocks are fixedly arranged on the U-shaped plate, and the lower end of the positioning block passes through the limit groove on the limit box and is fixedly connected to the limit block; the left and right ends of the lower end face of the moving plate are respectively slidably arranged on the upper end faces of the left and right positioning boxes, and a connecting block is respectively fixedly arranged at the left and right corners on the rear side of the lower end face of the moving plate, and the two connecting blocks respectively pass through the positioning grooves on the two positioning boxes and are fixedly connected to the two wedge blocks.

[0009] Furthermore, the lifting mechanism includes a column, a screw, and a lifting motor; a vertical column is fixedly installed at the four corners of the upper end surface of the movable plate, and a vertical screw is rotatably installed inside each column; a lifting motor is fixedly installed at the upper end of each column, and the output shaft of the lifting motor is fixedly connected to the upper end of the screw; a plug-in board is fixedly installed at the four corners of the lifting plate, and the four plug-in boards extend into the four columns respectively, and the plug-in boards are screwed to the screws.

[0010] Furthermore, the U-shaped frame includes a transverse section and two longitudinal sections. The transverse section is arranged along the left and right directions, and the longitudinal section is located in a vertical plane in the front and rear directions. The rear ends of the two longitudinal sections are fixedly connected to the left and right ends of the transverse section respectively; a slide groove is respectively arranged on the end faces of one side where the two longitudinal sections are close to each other.

[0011] Furthermore, the angle adjustment mechanism includes a connecting column, a lifting cylinder, a connecting shaft, and a U-shaped seat; a vertical connecting column is fixedly arranged on the left and right sides of the front edge of the upper end face of the lifting plate, and the upper ends of the two connecting columns are respectively hinged to the front ends of the two longitudinal sections of the U-shaped frame; a U-shaped seat is fixedly arranged on the rear end face of the transverse section of the U-shaped frame, and the U-shaped seat is a U-shaped plate-like structure, and the U-shaped opening of the U-shaped seat is fixedly connected to the rear end face of the transverse section of the U-shaped frame; a vertical lifting cylinder is respectively arranged on the left and right sides of the U-shaped seat, and one end of the cylinder bottom of the lifting cylinder is fixedly connected to the upper end face of the lifting plate, and a left and right horizontal connecting shaft is fixedly arranged between the piston rod ends of the two lifting cylinders, and the connecting shaft passes through the U-shaped seat.

[0012] Furthermore, the rotating drum is a circular cylindrical structure with front and rear ends kept open, the rotating drum is located between two longitudinal sections of the U-shaped frame, and the axis of the rotating drum is kept parallel to the length direction of the longitudinal section of the U-shaped frame.

[0013] Furthermore, the pushing mechanism includes a supporting plate, a worm, a worm wheel, a first motor, a screw, a moving block, a connecting plate, a limiting rod, and a first rotating disk; a screw is rotatably arranged on the front end surface of the transverse section of the U-shaped frame, and the end of the screw away from the U-shaped frame extends into the rear end opening of the rotating drum; a circular pushing plate is fixedly arranged at the end of the screw away from the U-shaped frame, and the outer edge of the pushing plate maintains sliding contact with the inner wall of the rotating drum; a moving block is screwed on the outer side of the screw, and a connecting plate is fixedly arranged on the rear side of the moving block, and the connecting plate is sleeved on the outer side of the screw side; a left and right horizontal limit rod is fixedly arranged on the left and right sides of the connecting plate, and the ends of the two limit rods away from the connecting plate are slidably inserted into the two slide grooves of the U-shaped frame respectively; a circular first turntable is rotatably arranged on the outer side of the moving block, and the rear end opening of the rotating drum is fixedly connected to the front end surface of the first turntable; a supporting plate is fixedly arranged on the rear side of the upper end of the U-shaped frame, and a first motor is fixedly arranged on the supporting plate, and a worm is fixedly arranged on the output shaft of the first motor; a worm wheel is fixedly sleeved on the rear end of the screw rod, and the worm wheel is meshed with the worm.

[0014] Furthermore, the rotating mechanism includes a second motor, a transmission belt, a second turntable, a connecting frame, and a spline shaft; a connecting frame is fixedly arranged on the rear side of the lower end of the U-shaped frame, the second motor is fixed on the connecting frame, a spline shaft is fixedly arranged on the output shaft of the second motor, a second turntable is slidably sleeved on the outer side of the spline shaft, a spline groove is arranged on the inner wall of the second turntable, the spline groove of the second turntable is engaged with the outer spline of the spline shaft, and the second turntable is connected to the first turntable through a transmission belt.

[0015] The beneficial effects of the present invention compared with the prior art are as follows: 1. The present invention facilitates the movement of the device and improves the applicability of the device through the cooperation of the roller and the T-shaped supporting block; facilitates the adjustment of the distance between the rotating drum and the mine wall through the cooperation of the limit block and the wedge block, thereby improving the sampling efficiency of the rotating drum; facilitates the adjustment of the sampling height of the rotating drum through the cooperation of the screw rod and the lifting plate, thereby improving the sampling effect of the rotating drum; facilitates the adjustment of the angle of the rotating drum through the lifting cylinder and the U-shaped frame, thereby improving the practicability of the sampling operation of the rotating drum.

[0016] 2. The present invention facilitates the unloading of materials after sampling is completed through the cooperation of the rotating drum and the push plate, avoids the sample from clogging the rotating drum, and improves the sampling effect; through the cooperation of the moving block and the first turntable, it is convenient to maintain high-speed rotation when the rotating drum moves back and forth, thereby improving the sampling efficiency of the rotating drum; through the cooperation of the worm gear and the worm, it is convenient to control the forward and backward movement of the rotating drum, avoids the rotating drum from being stuck in the hole, and improves the sampling efficiency of the rotating drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the present invention after being cut at the roller; Figure 3 yes Figure 2 A local enlarged schematic diagram of the middle A; Figure 4 It is a structural schematic diagram of the sliding mechanism; Figure 5 yes Figure 4 A partial enlarged schematic diagram of point B in the middle; Figure 6 It is a schematic diagram of the structure of the present invention after half-section; Figure 7 yes Figure 6 A partial enlarged schematic diagram of point C in the middle; Figure 8 It is a structural schematic diagram of one side of the sliding mechanism; Fig. 9 This is a schematic diagram of the structure of the present invention after removing the base, moving mechanism, and sliding mechanism. Figure 1 ; Fig.10 This is a schematic diagram of the structure of the present invention after removing the base, moving mechanism, and sliding mechanism. Figure 2 ; Fig.11 This is a schematic diagram of the structure of the components on the upper end of the lifting plate in the present invention. Figure 1 ; Fig.12 This is a schematic diagram of the structure of the components on the upper end of the lifting plate in the present invention. Figure 2 ; Fig.13 It is a structural diagram of the pushing mechanism and the rotating mechanism; Among them, 1 is a base, 2 is a connecting rod, 3 is a supporting block, 4 is a roller, 5 is a push handle, 6 is a positioning box, 7 is a limit box, 8 is a limit block, 9 is a first spring, 10 is a positioning block, 11 is a guide rod, 12 is a second spring, 13 is a wedge block, 14 is a U-shaped plate, 15 is an electric push rod, 16 is a moving plate, 17 is a column, 18 is a screw, 19 is a lifting motor, 20 is a lifting plate, 21 is a connecting column, 22 is a U The frame is 23 for a U-shaped seat, 24 for a connecting shaft, 25 for a lifting cylinder, 26 for a battery, 27 for a supporting plate, 28 for a worm, 29 for a first motor, 30 for a worm wheel, 31 for a lead screw, 32 for a moving block, 33 for a connecting plate, 34 for a limiting rod, 35 for a first turntable, 36 for a transmission belt, 37 for a rotating drum, 38 for a push plate, 39 for a connecting frame, 40 for a second motor, 41 for a spline shaft, and 42 for a second turntable. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail in conjunction with the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. The technical solutions of the present invention are described in detail below in conjunction with the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.

[0019] like Figure 1As shown in FIG. 13 , the present invention provides a coal mine geological drilling device with adjustable drilling angle, comprising a base 1, wherein a moving mechanism is arranged at the lower end of the base 1, and the base 1 is driven to move by the moving mechanism; a moving plate 16 is arranged at the upper end of the base 1 by a sliding mechanism, and the moving plate 16 is driven to slide along the front-rear direction by the sliding mechanism; a lifting plate 20 is arranged at the upper end of the moving plate 16 by a lifting mechanism, and the lifting and lowering of the lifting plate 20 is controlled by the lifting mechanism; a U-shaped frame 22 is arranged on the lifting plate 20 by an angle adjustment mechanism, and a rotating drum 37 is arranged inside the U-shaped frame 22 by a pushing mechanism, and the rotating drum 37 is controlled to move forward and backward by the pushing mechanism; a rotating mechanism is also arranged between the U-shaped frame 22 and the rotating drum 37, and the rotating drum 37 is driven to rotate by the rotating mechanism.

[0020] The base 1 is a horizontally arranged square plate-shaped structure.

[0021] The moving mechanism includes a connecting rod 2, a supporting block 3, a roller 4, and a push handle 5.

[0022] A connecting rod 2 is fixedly arranged on the left and right end surfaces of the base 1, and the connecting rod 2 is arranged horizontally along the front-back direction. A mounting port is arranged on the front and rear sides of the lower end surface of the connecting rod 2, and a rotating seat is rotatably arranged on the side away from the two mounting ports, and a roller 4 is rotatably arranged inside each rotating seat. A U-shaped groove is arranged at the front and rear ends of the connecting rod 2, and a T-shaped supporting block 3 is rotatably arranged inside each U-shaped groove. A push handle 5 is fixedly arranged between the rear ends of the connecting rods 2 on both sides, and the push handle 5 is used to control the movement of the device as a whole.

[0023] When the supporting block 3 rotates to the upper end of the connecting rod 2, the roller 4 contacts the ground, and the entire device can be moved by the roller 4; when the supporting block 3 rotates to the lower end of the connecting rod 2, the supporting block 3 contacts the ground, and the roller 4 is now out of contact with the ground, the device cannot be moved by the roller 4, and the device is fixed. At this time, the rotating seat can be rotated to the inside of the installation port, and the roller 4 also enters into the inside of the installation port.

[0024] The movable plate 16 is a horizontally arranged square plate-shaped structure, and the movable plate 16 is located above the base 1 .

[0025] The sliding mechanism includes a positioning box 6 , a limiting box 7 , a limiting block 8 , a first spring 9 , a positioning block 10 , a guide rod 11 , a second spring 12 , a wedge block 13 , a U-shaped plate 14 , and an electric push rod 15 .

[0026] Two symmetrical positioning boxes 6 are fixedly arranged on the upper end surface of the base 1. The positioning boxes 6 are square box structures arranged horizontally in the front-to-back direction, and a positioning groove extending forward and backward is arranged on the top plate of the positioning boxes 6. A row of limit boxes 7 are arranged on the side walls of the two positioning boxes 6 away from each other, and the row of limit boxes 7 is arranged along the front-to-back direction; the limit boxes 7 are connected to the inside of the positioning boxes 6, and the limit boxes 7 are perpendicular to the positioning boxes 6; and a limit groove extending left and right is arranged on the top plate of each limit box 7.

[0027] A stop block 8 is fixedly and slidably arranged inside each stop box 7. The stop block 8 slides in the left and right directions. A first spring 9 is arranged on the side of the stop block 8 away from the positioning box 6. The two ends of the first spring 9 are respectively fixedly connected to the stop block 8 and the inner wall of the stop box 7. The rear edge of the end face of one side of the stop block 8 facing the positioning box 6 is arranged as an inclined surface. When the first spring 9 is in a free extension state, the end of the wedge block 13 provided with the inclined surface extends into the interior of the positioning box 6.

[0028] A front and rear horizontal guide rod 11 is fixedly arranged inside each positioning box 6, and a wedge block 13 is slidably sleeved on the outer side of the guide rod 11, and a slope is arranged at the front end of the end face of one side of the wedge block 13 close to the limit box 7. A second spring 12 is arranged on the front side of the wedge block 13, and the second spring 12 is sleeved on the outer side of the guide rod 11, and the front and rear ends of the second spring 12 are fixedly connected to the front inner wall of the positioning box 6 and the wedge block 13 respectively.

[0029] An electric push rod 15 is respectively arranged on the front and rear sides of each positioning box 6. The outer shell of the electric push rod 15 is fixedly connected to the upper end surface of the base 1, and one end of the piston rod of the electric push rod 15 faces the direction away from the positioning box 6 on the other side. A U-shaped plate 14 is fixedly arranged between the piston rod ends of the two electric push rods 15. The opening of the U-shaped plate 14 is downward. A plurality of positioning blocks 10 are fixedly arranged on the U-shaped plate 14. The number of positioning blocks 10 is equal to that of the limit boxes 7 and corresponds one to one. The lower end of the positioning block 10 passes through the limit groove on the corresponding limit box 7 and is fixedly connected to the limit block 8. The synchronous sliding of the limit blocks 8 inside a row of limit boxes 7 is achieved by the extension and retraction of the front and rear electric push rods 15.

[0030] The left and right ends of the lower end surface of the movable plate 16 are respectively slidably set on the upper end surfaces of the left and right positioning boxes 6, and a connecting block is fixedly set at the left and right corners of the rear side of the lower end surface of the movable plate 16. The two connecting blocks pass through the positioning grooves on the two positioning boxes 6 and are fixedly connected with the two wedge blocks 13.

[0031] When no external force is applied to the movable plate 16, the two second springs 12 are in a free extension state, the two wedge blocks 13 are located at the rearmost end of the positioning box 6, and the movable plate 16 is also located at the rearmost position. When a forward external force is applied to the movable plate 16, the movable plate 16 drives the two wedge blocks 13 to slide forward inside the positioning box 6. During the process of the wedge blocks 13 sliding forward inside the positioning box 6, the inclined surface of the wedge blocks 13 squeezes the inclined surface of the limit block 8, so that the limit block 8 is squeezed into the limit box 7 and the first spring 9 is compressed; when the wedge blocks 13 pass the limit block 8, the limit block 8 re-extends into the positioning box 6 under the action of the rebound force of the first spring 9; when the forward external force applied to the movable plate 16 disappears, the wedge blocks 13 slide backward again under the action of the rebound force of the second spring 12, and the wedge blocks 13 are blocked by the front side of the re-extended limit block 8, so that the wedge blocks 13 are fixed in the current position, and the movable plate 16 is also fixed in the current position, thereby realizing the adjustment of the front and rear position of the movable plate 16.

[0032] When the moving plate 16 needs to be moved to the rearmost side again, the piston rods of the electric push rods 15 on the front and rear sides are controlled to extend, and the electric push rods 15 drive the left and right U-shaped plates 14 to move away from each other. The U-shaped plate 14 drives the limit block 8 to slide in the direction away from the positioning box 6 through the positioning block 10, and the inclined end of the limit block 8 re-extends into the inside of the limit box 7. After losing the obstruction of the limit block 8, the wedge block 13 slides to the rearmost side of the positioning box 6 under the action of the rebound force of the second spring 12, so that the moving plate 16 returns to the rearmost position.

[0033] The lifting plate 20 is a horizontally arranged square plate structure, and the lifting plate 20 is located above the moving plate 16 .

[0034] The lifting mechanism includes a column 17 , a screw rod 18 , and a lifting motor 19 .

[0035] A vertical column 17 is fixedly installed at each of the four corners of the upper end surface of the moving plate 16. A vertical lifting groove is provided on each of the two front columns 17 and the two rear columns 17 on the side end surface close to each other. A vertical screw 18 is rotatably installed inside each lifting groove. A lifting motor 19 is fixedly installed at the upper end of each column 17. The output shaft of the lifting motor 19 extends vertically downward into the lifting groove of the column 17 and is fixedly connected to the upper end of the screw 18.

[0036] A plug-in board is fixedly installed at each of the four corners of the lifting plate 20. The four plug-in boards extend into the lifting slots of the four columns 17 respectively. The plug-in boards are screwed to the screw rods 18, and the outer edges of the plug-in boards maintain sliding contact with the inner walls of the lifting slots.

[0037] The lifting motor 19 drives the screw rod 18 to rotate inside the lifting slot of the column 17. Since the plug-in plate is screwed with the screw rod 18, the plug-in plate is driven to be lifted and lowered, and then the lifting plate 20 is driven to be lifted and lowered.

[0038] The U-shaped frame 22 includes a transverse section and two longitudinal sections, wherein the transverse section is arranged along the left-right direction, and the longitudinal section is located in a vertical plane in the front-back direction, and the rear ends of the two longitudinal sections are fixedly connected to the left and right ends of the transverse section respectively. A slide groove is respectively arranged on the end surfaces of the two longitudinal sections that are close to each other, and the extension direction of the slide groove is consistent with the extension direction of the longitudinal section.

[0039] The angle adjustment mechanism includes a connecting column 21 , a lifting cylinder 25 , a connecting shaft 24 , and a U-shaped seat 23 .

[0040] A vertical connecting column 21 is fixedly provided on the left and right sides of the front edge of the upper end face of the lifting plate 20, and the upper ends of the two connecting columns 21 are respectively hinged to the front ends of the two longitudinal sections of the U-shaped frame 22. A U-shaped seat 23 is fixedly provided on the rear end face of the transverse section of the U-shaped frame 22. The U-shaped seat 23 is a U-shaped plate-like structure, and the U-shaped opening of the U-shaped seat 23 is fixedly connected to the rear end face of the transverse section of the U-shaped frame 22. A vertical lifting cylinder 25 is provided on the left and right sides of the U-shaped seat 23, and one end of the cylinder bottom of the lifting cylinder 25 is fixedly connected to the upper end face of the lifting plate 20. A left and right horizontal connecting shaft 24 is fixedly provided between the piston rod ends of the two lifting cylinders 25, and the connecting shaft 24 passes through the U-shaped seat 23.

[0041] When the piston rods of the two lifting cylinders 25 extend and retract synchronously, the connecting shaft 24 is driven to move up and down, and the connecting shaft 24 moving up and down drives the U-shaped frame 22 to rotate on the two connecting columns 21, thereby achieving the adjustment of the angle of the U-shaped frame 22.

[0042] The rotating drum 37 is a circular cylindrical structure with its front and rear ends open. The rotating drum 37 is located between the two longitudinal sections of the U-shaped frame 22 , and the axis of the rotating drum 37 is parallel to the length direction of the longitudinal section of the U-shaped frame 22 .

[0043] The pushing mechanism includes a supporting plate 27 , a worm 28 , a worm wheel 30 , a first motor 29 , a screw rod 31 , a moving block 32 , a connecting plate 33 , a limiting rod 34 , and a first rotating disk 35 .

[0044] A screw rod 31 is rotatably arranged at the front end of the transverse section of the U-shaped frame 22. The screw rod 31 is located at the axis of the rotating drum 37. The end of the screw rod 31 away from the U-shaped frame 22 extends into the rear end opening of the rotating drum 37. A circular push plate 38 is fixedly arranged at the end of the screw rod 31 away from the U-shaped frame 22. The push plate 38 is perpendicular to the screw rod 31, and the outer edge of the push plate 38 is in sliding contact with the inner wall of the rotating drum 37.

[0045] A moving block 32 is screwed on the outer side of the screw rod 31, and a connecting plate 33 is fixedly arranged on the rear side of the moving block 32, and the connecting plate 33 is sleeved on the outer side of the screw rod 31; a left and right horizontal limit rod 34 is fixedly arranged on the left and right sides of the connecting plate 33, and the ends of the two limit rods 34 away from the connecting plate 33 are respectively slidably inserted into the two slide grooves of the U-shaped frame 22. A first annular rotating disk 35 is rotatably arranged on the outer side of the moving block 32, and the rear end opening of the rotating drum 37 is fixedly connected to the front end surface of the first rotating disk 35.

[0046] A support plate 27 is fixedly arranged at the rear side of the upper end of the U-shaped frame 22, a first motor 29 is fixedly arranged on the support plate 27, and a left and right horizontal worm 28 is fixedly arranged on the output shaft of the first motor 29. A vertically penetrating escape groove is arranged on the support plate 27, a worm wheel 30 is fixedly sleeved at the rear end of the screw rod 31, the upper end of the worm wheel 30 extends into the escape groove of the support plate 27, and the worm wheel 30 is meshed with the worm 28.

[0047] The first motor 29 drives the lead screw 31 to rotate through the mutually meshing worm wheel 30 and worm 28. Since the lead screw 31 is meshed with the moving block 32, and the moving block 32 cannot rotate due to the restriction of the connecting plate 33 and the limit rod 34, the moving block 32 slides along the axial direction of the lead screw 31. The moving block 32 drives the rotating drum 37 to slide through the first turntable 35, thereby controlling the rotating drum 37 to move forward and backward.

[0048] The rotating mechanism includes a second motor 40 , a transmission belt 36 , a second rotating disk 42 , a connecting frame 39 , and a spline shaft 41 .

[0049] A connecting frame 39 is fixedly arranged at the rear side of the lower end of the U-shaped frame 22, and a second motor 40 is fixed on the connecting frame 39. A spline shaft 41 is fixedly arranged on the output shaft of the second motor 40, and the axis of the spline shaft 41 is kept parallel to the axis of the rotating drum 37. A second rotating disk 42 is slidably sleeved on the outer side of the spline shaft 41, and a spline groove is arranged on the inner wall of the second rotating disk 42. The spline groove of the second rotating disk 42 is engaged with the outer spline of the spline shaft 41, so that the second rotating disk 42 can also slide on the spline shaft 41 during the synchronous rotation of the spline shaft 41. The second rotating disk 42 is connected to the first rotating disk 35 through a transmission belt 36.

[0050] A battery 26 is also disposed at the rear end of the upper end surface of the lifting plate 20 , and the battery 26 is electrically connected to the first motor 29 and the second motor 40 .

[0051] The working principle of the coal mine geological drilling device with adjustable drilling angle provided by the present invention is: Step 1: First, use the push handle 5 to push the device to the position where drilling is required, then connect all electrical equipment to the wires and power on, and then rotate the supporting blocks 3 at the four corners to the lower end of the connecting rod 2. The supporting blocks 3 are in contact with the ground. At this time, the rollers 4 are out of contact with the ground, and the device cannot be moved by the rollers 4, so the device is fixed. Then the moving plate 16 is pushed forward, and the moving plate 16 drives the two wedge blocks 13 to slide forward inside the positioning box 6. During the process of the wedge block 13 sliding forward inside the positioning box 6, the inclined surface of the wedge block 13 squeezes the inclined surface of the limit block 8, so that the limit block 8 is squeezed into the limit box 7, and the first spring 9 is compressed; when the wedge block 13 passes the limit block 8, the limit block 8 re-extends into the positioning box 6 under the action of the rebound force of the first spring 9; when the forward external force applied to the moving plate 16 disappears, the wedge block 13 slides backward again under the action of the rebound force of the second spring 12, and the wedge block 13 is blocked by the front side of the re-extended limit block 8, so that the wedge block 13 is fixed in the current position, and the moving plate 16 is also fixed in the current position, thereby realizing the adjustment of the front and rear position of the moving plate 16.

[0052] Step 2: After the front and rear positions of the moving plate 16 are adjusted, the lifting motor 19 is started. The lifting motor 19 drives the screw 18 to rotate inside the lifting slot of the column 17. Since the plug-in plate is screwed with the screw 18, the plug-in plate is driven to be lifted and lowered, and then the lifting plate 20 is driven to be lifted and lowered, and the lifting plate 20 drives the components on its upper end to be lifted and lowered. When the height of the rotating drum 37 is determined, the lifting motor 19 is stopped and the lifting cylinder 25 is started. When the piston rods of the two lifting cylinders 25 are synchronously extended and retracted, the connecting shaft 24 is driven to move up and down. The connecting shaft 24 that moves up and down drives the U-shaped frame 22 to rotate on the two connecting columns 21, thereby adjusting the angle of the U-shaped frame 22, and then adjusting the drilling angle of the rotating drum 37.

[0053] Step 3: After the drilling angle of the rotating drum 37 is determined, the first motor 29 is started. The first motor 29 drives the screw 31 to rotate through the mutually meshing worm wheel 30 and worm 28. Since the screw 31 is meshed with the moving block 32, and the moving block 32 cannot rotate due to the restriction of the connecting plate 33 and the limit rod 34, the moving block 32 slides along the axial direction of the screw 31. The moving block 32 drives the rotating drum 37 to slide through the first rotating disk 35, thereby controlling the rotating drum 37 to move forward. When the first rotating disk 35 moves forward, it drives the second rotating disk 42 to slide forward on the spline shaft 41 through the transmission belt 36.

[0054] Step four, start the second motor 40 at the same time as the first motor 29 is started, the second motor 40 drives the spline shaft 41 to rotate, the second spline shaft 41 drives the second turntable 42 to rotate, the second turntable 42 drives the second turntable 42 to rotate through the transmission belt 36, and the second turntable 42 drives the rotating drum 37 to rotate, thereby realizing the rotation of the rotating drum 37 while moving forward, thereby achieving the purpose of drilling sampling. After the sampling is completed, the first motor 29 is controlled to rotate in the opposite direction, thereby controlling the rotating drum 37 to move backward. At this time, the sample in the rotating drum 37 will contact the push plate 38, thereby pushing the sample in the rotating drum 373 through the push plate 38, and then completing the discharge.

[0055] Step 5, when drilling is completed, start the lifting motor 19, control the lifting plate 20 to return, thereby controlling the height return of the rotating drum 37; start the jacking cylinder 25, control the U-shaped frame 22 to return, thereby controlling the angle return of the rotating drum 37; control the piston rods of the electric push rods 15 on both sides to extend, and the electric push rods 15 drive the left and right U-shaped plates 14 to move away from each other, and the U-shaped plate 14 drives the limit block 8 to slide in the direction away from the positioning box 6 through the positioning block 10, and the inclined end of the limit block 8 re-extends into the inside of the limit box 7. After losing the obstruction of the limit block 8, the wedge block 13 slides to the rearmost side of the positioning box 6 under the action of the rebound force of the second spring 12, so that the moving plate 16 returns to the rearmost position; then rotate the supporting block 3 to the upper end of the connecting rod 2, so that the roller 4 contacts the ground again, and finally cut off the power supply to all electrical equipment.

[0056] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A coal mine geological drilling device with adjustable drilling angle, characterized in that: The invention comprises a base (1), wherein a moving mechanism is arranged at the lower end of the base (1), and the base (1) is driven to move by the moving mechanism; a moving plate (16) is arranged at the upper end of the base (1) by the sliding mechanism, and the moving plate (16) is driven to slide along the front-back direction by the sliding mechanism; a lifting plate (20) is arranged at the upper end of the moving plate (16) by the lifting mechanism, and the lifting and lowering of the lifting plate (20) is controlled by the lifting mechanism; a U-shaped frame (22) is arranged on the lifting plate (20) by the angle adjustment mechanism, and a rotating drum (37) is arranged inside the U-shaped frame (22) by the pushing mechanism, and the rotating drum (37) is controlled to move forward and backward by the pushing mechanism; and a rotating mechanism is also arranged between the U-shaped frame (22) and the rotating drum (37), and the rotating drum (37) is driven to rotate by the rotating mechanism.

2. A coal mine geological drilling device with adjustable drilling angle according to claim 1, characterized in that: The moving mechanism comprises a connecting rod (2), a supporting block (3), a roller (4), and a push handle (5); a connecting rod (2) is fixedly arranged on the left and right end surfaces of the base (1), and a roller (4) is arranged on the front and rear sides of the lower end surface of the connecting rod (2); a U-shaped groove is arranged at the front and rear ends of the connecting rod (2), and a T-shaped supporting block (3) is rotatably arranged in each U-shaped groove; and a push handle (5) is fixedly arranged between the rear ends of the connecting rods (2) on both sides.

3. The coal mine geological drilling device with adjustable drilling angle according to claim 1, characterized in that: The sliding mechanism comprises a positioning box (6), a limiting box (7), a limiting block (8), and a first spring (9); two left-right symmetrical positioning boxes (6) are fixedly arranged on the upper end surface of the base (1); a positioning groove extending forward and backward is arranged on the top plate of the positioning box (6); a row of limiting boxes (7) are respectively arranged on the side walls of the two positioning boxes (6) away from each other; the limiting boxes (7) are connected to the inside of the positioning boxes (6), and a limiting groove extending left-right is arranged on the top plate of each limiting box (7) A limit block (8) is fixedly and slidably arranged inside each limit box (7), a first spring (9) is arranged on the side of the limit block (8) away from the positioning box (6), and the two ends of the first spring (9) are respectively fixedly connected to the limit block (8) and the inner wall of the limit box (7); the rear edge of the end face of one side of the limit block (8) facing the positioning box (6) is arranged as an inclined surface; when the first spring (9) is in a free extension state, the end of the wedge block (13) provided with the inclined surface extends into the interior of the positioning box (6).

4. A coal mine geological drilling device with adjustable drilling angle according to claim 3, characterized in that: The sliding mechanism further comprises a positioning block (10), a guide rod (11), a second spring (12), a wedge block (13), a U-shaped plate (14), and an electric push rod (15); a front and rear horizontal guide rod (11) is fixedly arranged inside each positioning box (6); a wedge block (13) is slidably sleeved on the outer side of the guide rod (11); a front end of the end surface of one side of the wedge block (13) close to the limit box (7) is provided with an inclined surface; a second spring (12) is provided on the front side of the wedge block (13); an electric push rod (15) is respectively provided on the front and rear sides of each positioning box (6); A U-shaped plate (14) is fixedly arranged between the piston rod ends of the rod (15), and a plurality of positioning blocks (10) are fixedly arranged on the U-shaped plate (14), and the lower ends of the positioning blocks (10) pass through the limiting grooves on the limiting box (7) and are fixedly connected to the limiting blocks (8); the left and right ends of the lower end surface of the movable plate (16) are respectively slidably arranged on the upper end surfaces of the left and right positioning boxes (6), and a connecting block is respectively fixedly arranged at the left and right corners of the rear side of the lower end surface of the movable plate (16), and the two connecting blocks respectively pass through the positioning grooves on the two positioning boxes (6) and are fixedly connected to the two wedge blocks (13).

5. The coal mine geological drilling device with adjustable drilling angle according to claim 1, characterized in that: The lifting mechanism comprises a column (17), a screw (18), and a lifting motor (19); a vertical column (17) is fixedly arranged at each of the four corners of the upper end surface of the movable plate (16), and a vertical screw (18) is rotatably arranged inside each column (17); a lifting motor (19) is fixedly arranged at the upper end of each column (17), and the output shaft of the lifting motor (19) is fixedly connected to the upper end of the screw (18); a plug-in board is fixedly arranged at each of the four corners of the lifting plate (20), and the four plug-in boards extend into the interior of the four columns (17), and the plug-in boards are screwed to the screw (18).

6. The coal mine geological drilling device with adjustable drilling angle according to claim 1, characterized in that: The U-shaped frame (22) comprises a transverse section and two longitudinal sections, the transverse section is arranged along the left-right direction, the longitudinal section is located in a vertical plane in the front-back direction, the rear ends of the two longitudinal sections are respectively fixedly connected to the left and right ends of the transverse section; and a slide groove is respectively arranged on the end surfaces of the two longitudinal sections that are close to each other.

7. A coal mine geological drilling device with adjustable drilling angle according to claim 6, characterized in that: The angle adjustment mechanism comprises a connecting column (21), a lifting cylinder (25), a connecting shaft (24), and a U-shaped seat (23); a vertical connecting column (21) is fixedly arranged on the left and right sides of the front edge of the upper end face of the lifting plate (20), and the upper ends of the two connecting columns (21) are respectively hinged to the front ends of the two longitudinal sections of the U-shaped frame (22); a U-shaped seat (23) is fixedly arranged on the rear end face of the transverse section of the U-shaped frame (22), and the U-shaped opening of the U-shaped seat (23) is fixedly connected to the rear end face of the transverse section of the U-shaped frame (22); a vertical lifting cylinder (25) is respectively arranged on the left and right sides of the U-shaped seat (23), and one end of the cylinder bottom of the lifting cylinder (25) is fixedly connected to the upper end face of the lifting plate (20); a left and right horizontal connecting shaft (24) is fixedly arranged between the ends of the piston rods of the two lifting cylinders (25), and the connecting shaft (24) passes through the U-shaped seat (23).

8. The coal mine geological drilling device with adjustable drilling angle according to claim 6, characterized in that: The rotating drum (37) is a circular cylindrical structure with front and rear ends kept open. The rotating drum (37) is located between two longitudinal sections of the U-shaped frame (22), and the axis of the rotating drum (37) is kept parallel to the length direction of the longitudinal section of the U-shaped frame (22).

9. A coal mine geological drilling device with adjustable drilling angle according to claim 8, characterized in that: The pushing mechanism comprises a supporting plate (27), a worm (28), a worm wheel (30), a first motor (29), a screw (31), a moving block (32), a connecting plate (33), a limiting rod (34), and a first rotating disk (35); a screw (31) is rotatably arranged on the front end surface of the transverse section of the U-shaped frame (22), and one end of the screw (31) away from the U-shaped frame (22) extends into the rear end opening of the rotating drum (37); a circular pushing plate (38) is fixedly arranged on the end of the screw (31) away from the U-shaped frame (22), and the outer edge of the pushing plate (38) maintains sliding contact with the inner wall of the rotating drum (37); a moving block (32) is screwed on the outer side of the screw (31), and a connecting plate (33) is fixedly arranged on the rear side surface of the moving block (32), and the connecting plate (33) is sleeved The connecting plate (33) is provided on the outside of the screw rod (31); a left and right horizontal limit rod (34) is fixedly provided on the left and right sides of the connecting plate (33), and the ends of the two limit rods (34) away from the connecting plate (33) are respectively slidably inserted into the two slide grooves of the U-shaped frame (22); a first annular rotating disk (35) is rotatably provided on the outside of the moving block (32), and the rear end opening of the rotating cylinder (37) is fixedly connected to the front end surface of the first rotating disk (35); a supporting plate (27) is fixedly provided on the rear side of the upper end of the U-shaped frame (22), a first motor (29) is fixedly provided on the supporting plate (27), and a worm (28) is fixedly provided on the output shaft of the first motor (29); a worm wheel (30) is fixedly sleeved on the rear end of the screw rod (31), and the worm wheel (30) is meshed with the worm (28).

10. The coal mine geological drilling device with adjustable drilling angle according to claim 9, characterized in that: The rotating mechanism comprises a second motor (40), a transmission belt (36), a second rotating disk (42), a connecting frame (39), and a spline shaft (41); a connecting frame (39) is fixedly arranged on the rear side of the lower end of the U-shaped frame (22); the second motor (40) is fixed on the connecting frame (39); a spline shaft (41) is fixedly arranged on the output shaft of the second motor (40); a second rotating disk (42) is slidably sleeved on the outer side of the spline shaft (41); a spline groove is arranged on the inner wall of the second rotating disk (42); the spline groove of the second rotating disk (42) is engaged with the outer spline of the spline shaft (41); and the second rotating disk (42) is connected to the first rotating disk (35) via the transmission belt (36).

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