Drilling rig for geotechnical engineering investigation

Abstract

The utility model relates to the technical field of drilling devices, and discloses a drilling device for geotechnical engineering investigation, which comprises a base, one side of the top surface of the base is fixedly connected with a support frame, one side of the support frame is fixedly connected with a support plate, and the top surface of the support plate is fixedly connected with a lifting assembly. The surface of the lifting assembly is in threaded connection with a threaded sleeve rod, and one side of the threaded sleeve rod is fixedly connected with a connecting rod. According to the drilling device for geotechnical engineering investigation, through the arrangement of the lifting assembly, during investigation and drilling, an external power source is communicated to enable a servo motor A to be electrified to drive a threaded lead screw to rotate, so that a threaded sleeve rod drives a connecting rod to ascend and descend, then the external power source is communicated to enable a servo motor B to be electrified to drive a drill bit and a drill pipe to rotate, and the connecting rod downwards presses the drilling assembly; and therefore, the effect of drilling at different depths is achieved, the diversity of samples is increased, and a connecting bolt is unscrewed, so that a worker can conveniently maintain and replace a drill bit and a drill pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling devices, in particular to a drilling device for geotechnical engineering investigation. Background Art

[0002] Geotechnical engineering investigation refers to the activities of identifying, analyzing, evaluating the geological, environmental characteristics and geotechnical conditions of the construction site and compiling investigation documents according to the requirements of the construction project. Geotechnical engineering investigation operations are mostly carried out outdoors, and generally require soil sampling through drilling equipment.

[0003] A drilling device for geotechnical engineering investigation disclosed in publication number CN216305856U, although the utility model, by setting a dust shield assembly, utilizes the cooperation of a fixed ring and an extension ring, so that the dust generated by the drill rod during drilling can be kept within the fixed ring and the extension ring, thereby avoiding the leakage of dust and playing a dust shielding role.

[0004] However, the drilling device for geotechnical engineering investigation has the following disadvantages:

[0005] It is not easy to drill at different depths, and it is inconvenient to operate when sampling deep layers of rock and soil;

[0006] It is not easy to provide shielding and protection for personnel. Geotechnical engineering surveys are mostly conducted outdoors, and workers are often exposed to direct sunlight or rainy and snowy weather during operations, which will affect their operations. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a drilling device for geotechnical engineering survey that is highly practical, can be easily operated, and has a relatively simple structure, thereby solving the problems of difficulty in drilling at different depths and difficulty in shielding and protecting personnel raised in the above-mentioned background technology.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a drilling device for geotechnical engineering survey, comprising a base, a support frame is fixedly connected to one side of the top surface of the base, a support plate is fixedly connected to one side of the support frame, a lifting assembly is fixedly connected to the top surface of the support plate, a threaded sleeve is threadedly connected to the surface of the lifting assembly, a connecting rod is fixedly connected to one side of the threaded sleeve, a motor box is fixedly connected to the bottom of the connecting rod, a drilling assembly is fixedly connected to the inside of the motor box, diagonal support rods are fixedly connected to both sides of the back of the support frame, a shielding assembly is fixedly connected to one side of the diagonal support rod, and a tool box is fixedly connected to the other side of the top surface of the base.

[0011] Optionally, the lifting assembly includes an A servo motor fixed to the top surface of the support plate. The output end of the A servo motor is spline-connected to an A transmission rod, and the top of the A transmission rod is fixedly connected to a threaded lead screw.

[0012] Optionally, the drilling assembly includes a B servo motor fixed inside the motor box. The output end of the B servo motor is spline-connected to a B transmission rod. The bottom of the B transmission rod is threadedly connected to a drill pipe through a connecting bolt, and a drill bit is fixedly connected inside the drill pipe.

[0013] Optionally, both sides of the surface of the support frame are provided with sliding grooves, and both ends of the threaded sleeve rod are slidably connected inside the sliding grooves.

[0014] Optionally, the shielding assembly includes a shielding plate fixed to one side of the diagonal brace. An extension plate is inserted into the shielding plate. Threaded holes are provided on the bottom surfaces of the shielding plate and the extension plate, and threaded bolts are threadedly penetrated through the threaded holes.

[0015] Optionally, the edge of one side of the toolbox is hinged with a box cover, and a handle is fixedly connected to the surface of the box cover.

[0016] Optionally, four sets of universal wheels are fixedly connected to the four sides of the bottom surface of the base in a rectangular array, and brake pads are fixedly installed inside the four sets of universal wheels.

[0017] (III) Beneficial Effects

[0018] The utility model provides a drilling device for geotechnical engineering investigation, which has the following beneficial effects:

[0019] 1. For the drilling device for geotechnical engineering investigation, through the setting of the lifting assembly, during the exploration drilling, after connecting to the external power supply to energize the A servo motor, the threaded lead screw is driven to rotate, so that the threaded sleeve rod drives the connecting rod to lift. Then, after connecting to the external power supply to energize the B servo motor, the drill bit and the drill pipe are driven to rotate, and the connecting rod presses down the drilling assembly, thereby achieving the effect of drilling at different depths, increasing the diversity of samples. Loosen the connecting bolt to facilitate personnel to maintain and replace the drill bit and the drill pipe.

[0020] 2. For the drilling device for geotechnical engineering investigation, through the setting of the shielding assembly, when operating in hot weather or rainy and snowy weather, the extension plate is pulled out from the shielding plate and then fixed through the threaded bolt. The shielding assembly protects the personnel, avoiding the influence of heat or rain and snow on the personnel's operation and facilitating the personnel to use; through the setting of the toolbox, it is convenient for personnel to place drilling exploration tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic structural diagram of the lifting component of the present utility model;

[0023] Figure 3 This is a schematic structural diagram of the drilling component of the present utility model;

[0024] Figure 4 This is a schematic structural diagram of the shielding component of the present utility model.

[0025] In the figure: 1, base; 2, support frame; 3, support plate; 4, lifting component; 401, A servo motor; 402, A drive rod; 403, threaded lead screw; 5, threaded sleeve rod; 6, connecting rod; 7, motor box; 8, drilling component; 801, B servo motor; 802, B drive rod; 803, connecting bolt; 804, drill pipe; 805, drill bit; 9, diagonal brace; 10, shielding component; 1001, shielding plate; 1002, extension plate; 11, tool box; 12, universal wheel. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1 to 4, the present utility model provides a technical solution: a drilling device for geotechnical engineering exploration, including a base 1. On one side of the top surface of the base 1, a support frame 2 is fixedly connected. On one side of the support frame 2, a support plate 3 is fixedly connected. On the top surface of the support plate 3, a lifting assembly 4 is fixedly connected. Through the setting of the lifting assembly 4, during geotechnical exploration drilling, when the external power supply is connected to make the A servo motor 401 energized, it drives the threaded lead screw 403 to rotate, causing the threaded sleeve rod 5 to drive the connecting rod 6 to lift and lower. Then, when the external power supply is connected to make the B servo motor 801 energized, it drives the drill bit 805 and the drill pipe 804 to rotate, and the connecting rod 6 presses down the drilling assembly 8, thereby achieving the effect of drilling at different depths, increasing the diversity of samples. Loosen the connection bolt 803 to facilitate the maintenance and replacement of the drill bit 805 and the drill pipe 804 by personnel. The surface of the lifting assembly 4 is threadedly connected with a threaded sleeve rod 5. On one side of the threaded sleeve rod 5, a connecting rod 6 is fixedly connected. At the bottom of the connecting rod 6, a motor box 7 is fixedly connected. Inside the motor box 7, a drilling assembly 8 is fixedly connected. On both sides of the back surface of the support frame 2, inclined strut rods 9 are fixedly connected. On one side of the inclined strut rod 9, a shielding assembly 10 is fixedly connected. Through the setting of the shielding assembly 10, during operation in hot weather or rainy and snowy weather, the extension plate 1002 is pulled out from the inside of the shielding plate 1001 and then fixed with a threaded bolt. The shielding assembly 10 protects personnel and avoids the influence of heat or rain and snow on personnel operation, facilitating personnel to use. On the other side of the top surface of the base 1, a toolbox 11 is fixedly connected. Through the setting of the toolbox 11, it is convenient for personnel to place drilling exploration tools;

[0028] The lifting assembly 4 includes an A servo motor 401 fixed on the top surface of the support plate 3. The output end of the A servo motor 401 is spline-connected with an A transmission rod 402. At the top of the A transmission rod 402, a threaded lead screw 403 is fixedly connected. Through the setting of the lifting assembly 4, during geotechnical exploration drilling, when the external power supply is connected to make the A servo motor 401 energized, it drives the threaded lead screw 403 to rotate, causing the threaded sleeve rod 5 to drive the connecting rod 6 to lift and lower. Then, when the external power supply is connected to make the B servo motor 801 energized, it drives the drill bit 805 and the drill pipe 804 to rotate, and the connecting rod 6 presses down the drilling assembly 8, thereby achieving the effect of drilling at different depths, increasing the diversity of samples. Loosen the connection bolt 803 to facilitate the maintenance and replacement of the drill bit 805 and the drill pipe 804 by personnel;

[0029] The drilling assembly 8 includes a B servo motor 801 fixed inside the motor box 7. The output end of the B servo motor 801 is spline-connected with a B transmission rod 802. At the bottom of the B transmission rod 802, a drill pipe 804 is threadedly connected through a connection bolt 803. Inside the drill pipe 804, a drill bit 805 is fixedly connected. Through the setting of the drilling assembly 8, it plays a role in drilling and sampling and is convenient for disassembly;

[0030] Both sides of the surface of the support frame 2 are provided with sliding grooves, and both ends of the threaded sleeve rod 5 are slidably connected to the inside of the sliding grooves. Through the setting of the sliding grooves, the threaded sleeve rod 5 is limited;

[0031] The shielding assembly 10 includes a shielding plate 1001 fixed to one side of the inclined strut 9. An extension plate 1002 is inserted into the inside of the shielding plate 1001. Threaded holes are provided on the bottom surfaces of the shielding plate 1001 and the extension plate 1002, and threaded bolts penetrate through the threaded holes. Through the setting of the shielding assembly 10, when working in hot weather or rainy and snowy weather, the extension plate 1002 is drawn out from the inside of the shielding plate 1001 and then fixed by the threaded bolts. The shielding assembly 10 protects the personnel, preventing heat or rain and snow from affecting the personnel's operation and facilitating the personnel's use. On the other side of the top surface of the base 1, a toolbox 11 is fixedly connected. Through the setting of the toolbox 11, it is convenient for personnel to place drilling exploration tools;

[0032] The edge of one side of the toolbox 11 is hinged with a box cover through a hinge, and a handle is fixedly connected to the surface of the box cover. Through the setting of the toolbox 11, it is convenient for personnel to place drilling exploration tools;

[0033] Four universal wheels 12 are fixedly connected to the four corners of the bottom surface of the base 1 in a rectangular array, and brake pads are fixedly installed inside the four universal wheels 12. Through the setting of the universal wheels 12, the base 1 can be moved.

[0034] In the present utility model, the working steps of the device are as follows:

[0035] The first step: During the exploration drilling, after connecting to the external power supply to make the A servo motor 401 energized, it drives the threaded lead screw 403 to rotate, so that the threaded sleeve rod 5 drives the connecting rod 6 to rise and fall. Then, after connecting to the external power supply to make the B servo motor 801 energized, it drives the drill bit 805 and the drill pipe 804 to rotate, and the connecting rod 6 presses down the drilling assembly 8, thereby achieving the effect of drilling at different depths, increasing the diversity of samples. Loosen the connecting bolt 803 to facilitate the maintenance and replacement of the drill bit 805 and the drill pipe 804 by personnel;

[0036] The second step: When working in hot weather or rainy and snowy weather, draw out the extension plate 1002 from the inside of the shielding plate 1001 and then fix it with the threaded bolts. The shielding assembly 10 protects the personnel, preventing heat or rain and snow from affecting the personnel's operation and facilitating the personnel's use;

[0037] The third step: The personnel place the drilling exploration tools in the toolbox 11 for carrying.

[0038] It should be noted that the device structure and drawings of the present utility model mainly describe the principle of the present utility model. Based on the technical principle of this design, the settings of the power mechanism, power supply system, control system, etc. of the device are not fully described. However, on the premise that those skilled in the art understand the principle of the above-mentioned utility model, the specific details of its power mechanism, power supply system, and control system can be clearly obtained. The control method of the application document is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art;

[0039] The standard parts used therein can all be purchased from the market, and can also be customized according to the description in the specification and drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and for the components known to those skilled in the art, their structures and principles can all be known by those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0040] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A drilling device for geotechnical engineering investigation, comprising a base (1), characterized in that: On one side of the top surface of the base (1), a support frame (2) is fixedly connected. On one side of the support frame (2), a support plate (3) is fixedly connected. On the top surface of the support plate (3), a lifting assembly (4) is fixedly connected. A threaded sleeve rod (5) is threadedly connected to the surface of the lifting assembly (4). On one side of the threaded sleeve rod (5), a connecting rod (6) is fixedly connected. At the bottom of the connecting rod (6), a motor box (7) is fixedly connected. Inside the motor box (7), a drilling assembly (8) is fixedly connected. On both sides of the back surface of the support frame (2), inclined struts (9) are fixedly connected. On one side of the inclined strut (9), a shielding assembly (10) is fixedly connected. On the other side of the top surface of the base (1), a toolbox (11) is fixedly connected.

2. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that: The lifting assembly (4) includes an A servo motor (401) fixed on the top surface of the support plate (3). The output end of the A servo motor (401) is splined with an A transmission rod (402). At the top of the A transmission rod (402), a threaded lead screw (403) is fixedly connected.

3. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that: The drilling assembly (8) includes a B servo motor (801) fixed inside the motor box (7). The output end of the B servo motor (801) is splined with a B transmission rod (802). At the bottom of the B transmission rod (802), a drill pipe (804) is threadedly connected through a connecting bolt (803). Inside the drill pipe (804), a drill bit (805) is fixedly connected.

4. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that: On both sides of the surface of the support frame (2), sliding grooves are formed. Both ends of the threaded sleeve rod (5) are slidably connected inside the sliding grooves.

5. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that: The shielding assembly (10) includes a shielding plate (1001) fixed on one side of the inclined strut (9). An extension plate (1002) is inserted into the inside of the shielding plate (1001). Threaded holes are formed in the bottom surfaces of the shielding plate (1001) and the extension plate (1002). Threaded bolts are threadedly penetrated through the threaded holes.

6. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that: On the edge of one side of the toolbox (11), a box cover is hinged through a hinge. A handle is fixedly connected to the surface of the box cover.

7. A drilling device for geotechnical engineering investigation according to claim 1, characterized in that: Four groups of universal wheels (12) are fixedly connected in a rectangular array around the bottom surface of the base (1). Brake pads are fixedly installed inside the four groups of universal wheels (12).

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