Universal drilling equipment for drilling core sample

Abstract

The invention discloses universal drilling equipment for drilling a rock core sample, and belongs to the technical field of petroleum geological prospecting, the universal drilling equipment comprises a base, lifting adjusting structures are arranged at the positions, close to the two sides, of the center of the upper end face of the base, and the two lifting adjusting structures comprise two first frames; the two first frames are arranged at the positions, close to the two sides, of the center of the upper end face of the base correspondingly, first sliding grooves are formed in the centers of one side walls of the two first frames correspondingly, and first lead screws are arranged in the centers of the interiors of the two first sliding grooves correspondingly. Fine adjustment of the horizontal position of the installation frame is achieved, the equipment cost and the maintenance difficulty are reduced, the connecting links of all components are reduced, the overall stability is improved, the position of a drilling structure can be adjusted more accurately, the drilling accuracy and the working efficiency are improved, the inclination angle of the drilling structure can be adjusted, and all-directional and multi-angle drilling is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of petroleum geological exploration, and in particular relates to a universal drilling device for drilling core samples. Background Art

[0002] In the fields of geological exploration, oil and gas development, mineral resource exploration, etc., obtaining core samples of underground rock formations is a key step in geological analysis and resource assessment. Core samples can provide important information about the physical properties, structure, mineral composition and oil and gas content of underground rock formations. Therefore, drilling equipment for drilling core samples plays a vital role in geological exploration. With the continuous deepening of petroleum geological research, the study of the migration and preservation process of fluids in rock formations has become a research hotspot. In order to gain a deeper understanding of the flow characteristics and diffusion characteristics of fluids in different directions in rock formations, it is necessary to use drilling rigs to drill core samples for analysis. With the continuous development of geological exploration technology The importance of drilling equipment for core samples in the field of geological exploration is becoming increasingly prominent, especially under complex geological conditions, such as high ground stress and strongly altered strata. Obtaining high-quality core samples is crucial for geological research and mineral resource exploration. In the process of geological exploration, obtaining high-quality core samples is the key to understanding underground geological structure and resource distribution. Core samples can not only provide direct information about rock type, mineral composition, structural structure, etc., but also provide important basis for subsequent resource evaluation and development plan formulation by analyzing their physical properties and chemical composition. Therefore, the design and performance of drilling equipment directly affect the quality of core samples and the success or failure of exploration work.

[0003] The existing drilling equipment for drilling core samples has the following main deficiencies:

[0004] The existing drilling equipment for drilling core samples can usually only drill core samples vertically, which cannot meet the sampling needs of core samples in any direction in the formation. The drill rig base is usually fixed on the rock plane, and the core sample is obtained by drilling with the drill bit perpendicular to the drill rig base. When faced with complex geological conditions or special drilling needs, it is difficult to perform multi-angle and all-round drilling. For some geological layers with large inclinations or unique directions, it is impossible to effectively reach the expected drilling position and can only operate within a relatively conventional angle range, which limits the scope of application of the equipment and cannot meet the exploration and mining needs of more complex environments. In terms of height and horizontal position adjustment, the adjustment accuracy is not high and there is a lack of effective fine-tuning mechanism, resulting in large errors when the equipment is aligned with the working target position, affecting the drilling accuracy, and then causing position deviation of core drilling, reducing the accuracy and research value of core sampling. Summary of the Invention

[0005] In order to overcome the above-mentioned defects, the present invention provides a universal drilling device for drilling core samples, which solves the problems in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solution: a universal drilling device for drilling core samples, comprising: a base, wherein the center of the upper end surface of the base is provided with a lifting adjustment structure on both sides;

[0007] The two lifting adjustment structures include two first frames, which are respectively arranged at the center of the upper end surface of the base on both sides, and a first slide groove is provided at the center of one side wall of the two first frames, and a first screw rod is provided at the center of the inner part of the two first slide grooves. One end of the two first screw rods passes through the upper inner walls of the two first slide grooves and the upper end surfaces of the two first frames in sequence to the upper ends of the two first frames, and the ends are fixedly connected to pulleys;

[0008] A mounting bracket is provided at the center of the lower end surface of the lifting adjustment structure, a rotator is provided at the center inside the mounting bracket, an angle adjustment structure is fixedly connected to the output end of the rotator, a threaded connecting rod is provided at the center of the lower end surface of the angle adjustment structure, a drilling structure is provided at the center of the lower end surface of the threaded connecting rod, and the lower end surface of the base is rectangular with four movable structures arranged therein.

[0009] As a further solution of the present invention: a stabilizing frame is provided at the center of the upper end surface of the first frame on one side, a first servo motor is fixedly connected to the center of the upper end surface of the stabilizing frame, an output end of the first servo motor is fixedly connected to the other end of the pulley on one side, a belt is provided on the outer side walls of the two pulleys, and a second frame is provided on the threaded outer side walls of the two first screw rods.

[0010] As a further solution of the present invention: a second slide groove is provided at the center of the lower end surface of the second frame, a second servo motor is provided at one side of the inner center of the second slide groove, a second screw rod is fixedly connected to the output end of the second servo motor, a slider is provided with a threaded sleeve on the outer side wall of the second screw rod, and the mounting frame is arranged at the center of the lower end surface of the slider.

[0011] As a further solution of the present invention: the angle adjustment structure includes a first adjustment frame, the first adjustment frame is arranged on the output end of the rotator, a first adjustment rod is provided at the lower center of the first adjustment frame, a second adjustment frame is provided at the center of the lower end surface of the first adjustment rod, a second adjustment rod is provided at the lower center of the second adjustment frame, and bolts are provided at the lower center of the front end surface of the first adjustment frame and the lower center of one side wall of the second adjustment frame.

[0012] As a further solution of the present invention: the drilling structure includes a sleeve rod, which is arranged at the center of the lower end surface of the threaded connecting rod. An inner rod is slidably connected to the center of the inner center of the drilling structure, and a core drill is provided at the center of the lower end surface of the inner rod.

[0013] As a further solution of the present invention: the upper center of the front end surface of the sleeve rod and the lower center of the front end surface of the inner rod are both provided with a stable connection block, and an electric telescopic rod is provided between the two stable connection blocks.

[0014] As a further solution of the present invention: the four movable structures include four universal wheels, and the four universal wheels are respectively arranged at four diagonal corners of the lower end surface of the base.

[0015] As a further solution of the present invention: one end portion of the two bolts respectively passes through the front end face of the first adjustment bracket, the front end face of the first adjustment rod, a side wall of the second adjustment bracket, and a side wall of the second adjustment rod to the rear end of the first adjustment bracket and one side of the second adjustment rod, and the ends are both threaded with nuts.

[0016] As a further solution of the present invention: damping is provided at one side of the center of the upper end surface of the four universal wheels, shock-absorbing springs are sleeved on the outer sides of the four dampings, and hydraulic support rods are provided on the lower end surface of the base on one side of the four universal wheels.

[0017] As a further solution of the present invention: a control panel is provided at the front of one side of the upper end surface of the base, and a groove is provided at the center of the upper end surface of the base.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention drives the pulley and the first screw to rotate by the first servo motor to achieve height adjustment of the second frame and the mounting frame. At the same time, the second servo motor drives the second screw to rotate, causing the slider to slide in the second slide groove to achieve fine-tuning of the horizontal position of the mounting frame, thereby reducing equipment cost and maintenance difficulty, reducing the connection links between the various components, improving overall stability, being able to more accurately adjust the position of the drilling structure, improving drilling accuracy and work efficiency, and enhancing the adaptability of the equipment to different working environments through the structure that combines height adjustment with horizontal fine-tuning.

[0020] The present invention is composed of multiple components through the angle adjustment structure. Driven by the rotator inside the mounting frame, the coarse adjustment of the drilling direction can be achieved. The inclination angle of the drilling structure can be manually and accurately adjusted by loosening the bolts and nuts, thereby improving the equipment's all-round and multi-angle drilling capabilities, and can adapt to the drilling needs of cores at different angles under complex geological conditions. It effectively expands the application range of the equipment, is convenient and efficient to operate, makes it more accurate and efficient to obtain cores in complex geological environments, and improves the success rate of resource exploration.

[0021] The present invention enables the equipment to be moved to different work locations conveniently and flexibly through the universal wheels, greatly improving the maneuverability of the equipment. After the equipment arrives at the work location, the hydraulic support rod extends out to support the ground, firmly fixing the equipment in the work position. During operation, the damping and shock-absorbing springs on the universal wheels play a role, effectively buffering the impact force of ground vibration on the equipment, reducing equipment shaking, ensuring the stability of the equipment, reducing drilling deviations that may be caused by equipment shaking, improving drilling accuracy and core drilling quality, and also extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0023] Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ;

[0024] Figure 3 It is a schematic diagram of the three-dimensional side sectional structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the present invention;

[0026] Figure 5 Schematic diagram of the three-dimensional split structure of the angle adjustment structure and the drilling structure of the present invention Figure 1 ;

[0027] Figure 6 Schematic diagram of the three-dimensional split structure of the angle adjustment structure and the drilling structure of the present invention Figure 2 ;

[0028] Figure 7 This is a schematic diagram of the three-dimensional split structure of the lifting and adjusting structure of the present invention;

[0029] Figure 8 for Figure 2 Enlarged schematic diagram of point A in the middle.

[0030] In the figure: 1. Base; 2. Control panel; 3. Lifting adjustment structure; 301. First frame; 302. First slide; 303. First screw; 304. Pulley; 305. Stabilizing frame; 306. First servo motor; 307. Second frame; 308. Second slide; 309. Second servo motor; 310. Second screw; 311. Slider; 4. Mounting frame; 5. Rotator; 6. Angle adjustment structure; 601. First adjustment Entire frame; 602, first adjustment rod; 603, second adjustment frame; 604, second adjustment rod; 605, bolt; 606, nut; 7, threaded connecting rod; 8, drilling structure; 801, sleeve rod; 802, inner rod; 803, core drill; 804, stable connection block; 805, electric telescopic rod; 9, mobile structure; 901, universal wheel; 902, hydraulic support rod; 903, damping; 904, shock-absorbing spring; 10, groove. DETAILED DESCRIPTION

[0031] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0032] like Figures 1-8 As shown, the present invention provides a technical solution:

[0033] A universal drilling device for drilling core samples, comprising:

[0034] The base 1 has a control panel 2 at the front of one side of the upper end surface of the base 1, a groove 10 is provided at the center of the upper end surface of the base 1, and a lifting adjustment structure 3 is provided at both sides of the center of the upper end surface of the base 1. The two lifting adjustment structures 3 include two first frames 301, and the two first frames 301 are respectively arranged at the two sides of the center of the upper end surface of the base 1. A first slide 302 is provided at the center of one side wall of the two first frames 301, and a first screw rod 303 is provided at the center of the inner part of the two first slides 302. One end of the two first screw rods 303 respectively passes through the upper inner walls of the two first slides 302 and the upper end surfaces of the two first frames 301 in sequence to the upper ends of the two first frames 301, and the ends are fixedly connected with pulleys 304. There is a mounting frame 4, and a stabilizing frame 305 is provided at the center of the upper end surface of the first frame 301 on one side. A first servo motor 306 is fixedly connected to the center of the upper end surface of the stabilizing frame 305, and the output end of the first servo motor 306 is fixedly connected to the other end of the pulley 304 on one side. The outer walls of the two pulleys 304 are sleeved with belts, and the outer walls of the two first screw rods 303 are threadedly sleeved with a second frame 307, and a second slide groove 308 is provided at the center of the lower end surface of the second frame 307. A second servo motor 309 is provided at the center of the inner side of the second slide groove 308 on one side, and a second screw rod 310 is fixedly connected to the output end of the second servo motor 309. A slider 311 is threadedly sleeved on the outer wall of the second screw rod 310, and the mounting frame 4 is arranged at the center of the lower end surface of the slider 311.

[0035] When the height of the drilling structure 8 needs to be adjusted, the first servo motor 306 on the stabilizing frame 305 is started to drive the pulley 304 on one side to rotate, and the pulley 304 on the other side is rotated synchronously through the belt transmission, thereby driving the two first screw rods 303 to rotate. Since the outer wall of the two first screw rods 303 is threaded with a second frame 307, when the first screw rod 303 rotates, the second frame 307 moves up and down along the first screw rod 303, thereby achieving the height adjustment of the mounting frame 4. In addition, the second servo motor 309 is started to drive the second screw rod 310 to rotate, and the rotation of the second screw rod 310 causes the slider threaded on its outer wall to rotate. 311 slides in the second slide groove 308, thereby achieving fine-tuning of the horizontal position of the mounting frame 4, enhancing the adaptability of the equipment to the working environment. The base 1, as the basic supporting component of the entire equipment, is made of high-strength metal material, has excellent stability and load-bearing capacity, and can firmly support various structural components above, ensuring the stable operation of the equipment in various complex geological environments. The control panel 2 is equipped with various function buttons and display screens, so that the operator can intuitively observe the operating status of the equipment through these interactive interfaces, and accurately control and adjust the parameters of the equipment. The groove 10 facilitates the drilling and sampling of the equipment, thereby improving work efficiency and accuracy.

[0036] A rotator 5 is provided at the inner center of the mounting frame 4, and an angle adjustment structure 6 is fixedly connected to the output end of the rotator 5. The angle adjustment structure 6 includes a first adjustment frame 601, which is arranged on the output end of the rotator 5. A first adjustment rod 602 is provided at the lower center of the first adjustment frame 601, a second adjustment frame 603 is provided at the center of the lower end surface of the first adjustment rod 602, and a second adjustment rod 604 is provided at the lower center of the second adjustment frame 603. Bolts 605 are provided at the lower center of the front end surface of the first adjustment frame 601 and the lower center of one side wall of the second adjustment frame 603. One end of the two bolts 605 respectively penetrates the front end surface of the first adjustment frame 601, the front end surface of the first adjustment rod 602, the side wall of the second adjustment frame 603, and the side wall of the second adjustment rod 604 in sequence to the rear end of the first adjustment frame 601 and one side of the second adjustment rod 604, and the ends are threaded with nuts 606.

[0037] After being adjusted to the appropriate position, the angle adjustment structure 6 and the drilling structure 8 connected thereto are driven to make circular motion around the axis of the rotator 5 by starting the rotator 5, thereby preliminarily changing the drilling direction and achieving coarse adjustment of the drilling angle. In addition, the first adjustment frame 601, the first adjustment rod 602, the second adjustment frame 603, the second adjustment rod 604, the bolt 605 and the nut 606 are composed. By loosening or tightening the bolt 605 and the nut 606, the angle between the first adjustment frame 601 and the second adjustment frame 603 can be manually adjusted, and then the inclination angle of the drilling structure 8 can be finely adjusted to achieve all-round and multi-angle drilling to meet different drilling requirements. After the adjustment is completed, the bolt 605 and the nut 606 are tightened to fix the adjusted angle to ensure the stability of the angle during the drilling process.

[0038] A threaded connecting rod 7 is provided at the center of the lower end face of the angle adjustment structure 6, and a drilling structure 8 is provided at the center of the lower end face of the threaded connecting rod 7. The drilling structure 8 includes a sleeve rod 801, which is provided at the center of the lower end face of the threaded connecting rod 7. An inner rod 802 is slidably connected to the center of the inner rod 802 at the center of the lower end face. A core drill 803 is provided at the center of the lower end face of the inner rod 802. The upper center of the front end face of the sleeve rod 801 and the lower center of the front end face of the inner rod 802 are both connected with a stable connection block 804. An electric telescopic rod 805 is provided between the two stable connection blocks 804. When the height, horizontal position and inclination angle are adjusted, the screw thread adjustment mechanism 801 is adjusted to a predetermined value. After all the angles are adjusted, the drilling structure 8 starts drilling. By starting the electric telescopic rod 805 to extend, the inner rod 802 is pushed downward in the sleeve rod 801, so that the core drill 803 gradually contacts and drills the core sample. During the drilling process, the rotator 5 continuously drives the angle adjustment structure 6 and the drilling structure 8 to rotate, and the core drill 803 drills the core during the rotation process. Relying on this rotary drilling method, the core sample collection work is realized. At the same time, the universal angle drilling function is also realized, which can meet the core drill 803 collection needs in different angles and directions.

[0039] The lower end surface of the base 1 is arranged in a rectangular shape with four mobile structures 9, and the four mobile structures 9 include four universal wheels 901, which are respectively arranged at the four diagonal positions of the lower end surface of the base 1. A damper 903 is provided at one side of the center of the upper end surface of the four universal wheels 901, and a shock-absorbing spring 904 is provided on the outer side of the four dampers 903. A hydraulic support rod 902 is provided on the lower end surface of the base 1 on one side of the four universal wheels 901. The equipment is moved to the designated location for the core drill 803 by the universal wheels 901. When the equipment is moved, the universal wheels 901 are used to move the equipment to the designated location for the core drill 803. 01 Move the equipment to the designated location for core drilling 803. When the equipment needs to be moved, the damping 903 and shock-absorbing spring 904 on the universal wheel 901 can reduce the shaking and impact of the equipment caused by factors such as ground vibration during operation, providing a stable working environment for the equipment. After reaching the working position, start the hydraulic support rod 902 to lower it, support the ground, lift the universal wheel 901 off the ground, and fix the equipment. At the same time, the hydraulic support rod 902 can fine-tune the equipment according to the flatness of the ground, so that the equipment is in a horizontal and stable state.

[0040] The working principle of the present invention is:

[0041] When the equipment needs to be moved, the universal wheel 901 is used to move the equipment to the designated core drill 803 location. When the equipment is moving, the damping 903 and shock-absorbing spring 904 on the universal wheel 901 can reduce the shaking and impact of the equipment caused by factors such as ground vibration during operation, providing a stable working environment for the equipment. After reaching the working position, the hydraulic support rod 902 is started to lower it, supporting the ground, so that the universal wheel 901 is off the ground, and the equipment is fixed. At the same time, the hydraulic support rod 902 can fine-tune the equipment according to the flatness of the ground, so that the equipment is in a horizontal and stable state. When the equipment moves to the appropriate position and the height of the drilling structure 8 needs to be adjusted, the first servo on the stabilizing frame 305 is started to adjust the height of the drilling structure 8. The servo motor 306 drives the pulley 304 on one side to rotate, and through the belt transmission, the pulley 304 on the other side rotates synchronously, thereby driving the two first screw rods 303 to rotate. Since the outer walls of the two first screw rods 303 are threadedly sleeved with a second frame 307, when the first screw rod 303 rotates, the second frame 307 moves up and down along the first screw rod 303, thereby realizing the height adjustment of the mounting bracket 4. In addition, by starting the second servo motor 309 to drive the second screw rod 310 to rotate, the rotation of the second screw rod 310 causes the slider 311 threadedly sleeved on its outer wall to slide in the second slide groove 308, thereby realizing fine-tuning of the horizontal position of the mounting bracket 4, thereby enhancing the adaptability of the equipment to the working environment.

[0042] After being adjusted to the appropriate position, the angle adjustment structure 6 and the drilling structure 8 connected thereto are driven to make circular motion around the axis of the rotator 5 by starting the rotator 5, thereby preliminarily changing the drilling direction and achieving coarse adjustment of the drilling angle. In addition, the first adjustment frame 601, the first adjustment rod 602, the second adjustment frame 603, the second adjustment rod 604, the bolt 605 and the nut 606 are composed. By loosening or tightening the bolt 605 and the nut 606, the angle between the first adjustment frame 601 and the second adjustment frame 603 can be manually adjusted, and then the inclination angle of the drilling structure 8 can be finely adjusted to achieve all-round and multi-angle drilling to meet different drilling requirements. After the adjustment is completed, the bolt 605 and the nut 606 are tightened to fix the adjusted angle to ensure the stability of the angle during the drilling process.

[0043] When the height, horizontal position and tilt angle are adjusted, the drilling structure 8 starts drilling. By starting the electric telescopic rod 805 to extend, the inner rod 802 is pushed downward in the sleeve rod 801, so that the core drill 803 gradually contacts and drills the core sample. During the drilling process, the rotator 5 continuously drives the angle adjustment structure 6 and the drilling structure 8 to rotate. The core drill 803 drills the core during the rotation process. Relying on this rotary drilling method, the core sample collection work is realized. At the same time, the universal angle drilling function is also realized, which can meet the core drill 803 collection needs in different angles and directions.

[0044] In addition, the control method of the present invention is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0045] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A universal drilling device for drilling core samples, characterized in that: include: A base (1), wherein a lifting adjustment structure (3) is provided at both sides of the center of the upper end surface of the base (1); The two lifting adjustment structures (3) include two first frames (301), the two first frames (301) are respectively arranged at the center of the upper end surface of the base (1) on both sides, a first slide groove (302) is provided at the center of one side wall of the two first frames (301), a first screw rod (303) is provided at the inner center of the two first slide grooves (302), one end of the two first screw rods (303) respectively passes through the upper inner walls of the two first slide grooves (302) and the upper end surfaces of the two first frames (301) to the upper ends of the two first frames (301), and the ends are fixedly connected to pulleys (304); A mounting frame (4) is provided at the center of the lower end face of the lifting adjustment structure (3), a rotator (5) is provided at the center inside the mounting frame (4), an output end of the rotator (5) is fixedly connected to an angle adjustment structure (6), a threaded connecting rod (7) is provided at the center of the lower end face of the angle adjustment structure (6), a drilling structure (8) is provided at the center of the lower end face of the threaded connecting rod (7), and four movable structures (9) are arranged in a rectangular shape on the lower end face of the base (1).

2. The universal drilling equipment for drilling core samples according to claim 1, characterized in that: A stabilizing frame (305) is provided at the center of the upper end surface of the first frame (301) on one side, a first servo motor (306) is fixedly connected to the center of the upper end surface of the stabilizing frame (305), an output end of the first servo motor (306) is fixedly connected to the other end of the pulley (304) on one side, belts are sleeved on the outer walls of the two pulleys (304), and second frames (307) are threadedly sleeved on the outer walls of the two first screw rods (303).

3. The universal drilling equipment for drilling core samples according to claim 2, characterized in that: A second slide groove (308) is provided at the center of the lower end surface of the second frame (307), a second servo motor (309) is provided at one side of the inner center of the second slide groove (308), a second screw rod (310) is fixedly connected to the output end of the second servo motor (309), a slider (311) is provided on the outer wall of the second screw rod (310), and the mounting frame (4) is arranged at the center of the lower end surface of the slider (311).

4. The universal drilling equipment for drilling core samples according to claim 1, characterized in that: The angle adjustment structure (6) comprises a first adjustment frame (601), the first adjustment frame (601) being arranged on the output end of the rotator (5), a first adjustment rod (602) being provided at the lower center of the interior of the first adjustment frame (601), a second adjustment frame (603) being provided at the center of the lower end face of the first adjustment rod (602), a second adjustment rod (604) being provided at the lower center of the interior of the second adjustment frame (603), and bolts (605) being provided at the lower center of the front end face of the first adjustment frame (601) and at the lower center of a side wall of the second adjustment frame (603).

5. The universal drilling equipment for drilling core samples according to claim 1, characterized in that: The drilling structure (8) comprises a sleeve rod (801), the sleeve rod (801) being arranged at the center of the lower end surface of the threaded connecting rod (7), an inner rod (802) being slidably connected at the inner center of the drilling structure (8), and a core drill (803) being arranged at the center of the lower end surface of the inner rod (802).

6. The universal drilling equipment for drilling core samples according to claim 5, characterized in that: The upper center portion of the front end face of the sleeve rod (801) and the lower center portion of the front end face of the inner rod (802) are both provided with a stable connection block (804), and an electric telescopic rod (805) is provided between the two stable connection blocks (804).

7. The universal drilling equipment for drilling core samples according to claim 1, characterized in that: The four movable structures (9) include four universal wheels (901), and the four universal wheels (901) are respectively arranged at four diagonal positions on the lower end surface of the base (1).

8. The universal drilling equipment for drilling core samples according to claim 4, characterized in that: One end portion of the two bolts (605) respectively passes through the front end surface of the first adjustment frame (601), the front end surface of the first adjustment rod (602), a side wall of the second adjustment frame (603), and a side wall of the second adjustment rod (604) in sequence, and respectively passes to the rear end of the first adjustment frame (601) and one side of the second adjustment rod (604), and the ends of the two bolts (605) are threadedly sleeved with nuts (606).

9. The universal drilling equipment for drilling core samples according to claim 7, characterized in that: A damper (903) is provided at one side of the center of the upper end surface of the four universal wheels (901), and a shock-absorbing spring (904) is sleeved on the outer side of the four dampers (903). A hydraulic support rod (902) is provided on the lower end surface of the base (1) on one side of the four universal wheels (901).

10. The universal drilling equipment for drilling core samples according to claim 1, characterized in that: A control panel (2) is provided at the front of one side of the upper end surface of the base (1), and a groove (10) is provided at the center of the upper end surface of the base (1).

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