Drilling machine for geotechnical engineering investigation

Abstract

The utility model discloses a drilling machine for geotechnical engineering investigation, and belongs to the technical field of geotechnical engineering. The device comprises a bottom plate, two fixing frames are connected to the top of the bottom plate, the same transverse plate is connected between the two fixing frames, an air cylinder is fixedly installed at the top of the transverse plate, an ejector rod of the air cylinder penetrates through the transverse plate and is connected with an installation frame, a movable plate is connected to the bottom of the installation frame, and a first motor is fixedly installed in the installation frame. An output shaft of the first motor penetrates through the moving plate and is connected with a drilling cylinder, and the bottom of the bottom plate is connected with a protection device. According to the device, the motor drives the two threaded seats to move oppositely through the double-threaded rod, so that the two threaded seats drive the first anti-skid arc plate and the second protection arc plate to be close to each other and attached to each other, and the first protection arc plate and the second protection arc plate protect a drilling opening of the drilling barrel; and damage to surrounding people caused by flying of broken stones in the drilling process is avoided.

Description

Technical Field

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

[0002] The purpose of geotechnical engineering investigation is to use testing means and methods to investigate, study, analyze and judge the construction site, ensure the strength and stability of the foundation and take measures to prevent it from having unacceptable deformation, propose the bearing capacity of the foundation, and provide basic design and construction. The content of geotechnical engineering investigation includes exploration and soil sampling, and the use of drilling rigs is required for soil sampling.

[0003] Chinese application number: CN202021289240.5 The document discloses a drilling rig for geotechnical engineering survey, including a drilling rig body and a mounting rod, a control console is provided on the left upper end of the drilling rig body, a positioning plate is installed on the top of the console, an annular support is welded on the right lower end of the positioning plate, the top of the mounting rod is correspondingly fixed on the annular support, the lower end of the mounting rod is connected to a mounting frame, a drill bit is provided at the lower end of the mounting frame, an annular cavity penetrating up and down is opened at the central position of the inner part of the drilling rig body, the drill bit is telescopic in the inner part of the annular cavity, wheels are correspondingly installed at the four corners of the lower end of the drilling rig body, and a supporting positioning assembly is provided between the wheels. However, in actual use, since the device cannot protect and dustproof the drilling position well during drilling, the gravel generated at the drilling position will run around, causing danger to the surroundings. Utility Model Content

[0004] The utility model aims to solve the problem of ensuring the protection of the drilling position and provides a drilling rig for geotechnical engineering investigation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a drilling rig for geotechnical engineering survey, comprising a base plate, two fixed frames are connected to the top of the base plate, and the same cross plate is connected between the two fixed frames, a cylinder is fixedly installed on the top of the cross plate, the cylinder top rod passes through the cross plate and is connected to the mounting frame, the bottom of the mounting frame is connected to a movable plate, the mounting frame is fixedly installed with a first motor, the output shaft of the first motor passes through the movable plate and is connected to a drilling tube, the bottom of the base plate is connected with a protective device, the protective device comprises a plurality of fixed blocks, and a second sliding rod is connected between two of the fixed blocks, and a double-grooved rod is rotatably connected between the other two fixed blocks, a second motor is fixedly installed on one side of the fixed block connected to one end of the double-grooved rod, the outer wall of the double-grooved rod is threadedly connected to two threaded seats, and the outer wall of the second sliding rod is slidably connected to two second sliding sleeve seats, and the first protective arc plate and the second protective arc plate are respectively connected between the two second sliding sleeve seats and the corresponding threaded seats.

[0006] As a further description of the above technical solution:

[0007] One side of the fixing block is connected to the bottom of the base plate, and the output shaft of the second motor is connected to one end of the double-grained rod.

[0008] As a further description of the above technical solution:

[0009] The fixing frame is internally connected with a first sliding rod, an outer wall of the first sliding rod is slidably connected with a first sliding sleeve seat, and opposite sides of two first sliding sleeve seats are respectively connected with two sides of the moving plate.

[0010] As a further description of the above technical solution:

[0011] Two sealing devices are connected to one side of the opposite surface of the first protective arc plate and the second protective arc plate, and the sealing device includes a plug-in groove, a plug-in block is slidably connected in the plug-in groove, sealing grooves are provided on both sides of the plug-in block, movable grooves are provided on both sides of the inner wall of the plug-in groove, a sealing strip is slidably connected in the movable groove, a plurality of fixed grooves are provided on one side of the sealing strip, and a fixed rod is slidably connected in the fixed groove, a spring is sleeved on the outer wall of the fixed rod, two sliding grooves are provided on both sides of the inner wall of the movable groove, and a slider is slidably connected in the sliding groove.

[0012] As a further description of the above technical solution:

[0013] One end of the fixing rod is connected to one side of the movable groove, and two ends of the spring are respectively connected to one side of the sealing strip and one side of the movable groove, one side of the sliding block is connected to one side of the sealing strip, and the plug-in groove is opened on one side of the first protective arc plate, and one side of the plug-in block is connected to one side of the second protective arc plate.

[0014] As a further description of the above technical solution:

[0015] A drilling hole is provided on the top of the base plate, and the drilling hole is located at the bottom of the drilling tube. Nuts are embedded on both sides of the top of the base plate, and a threaded rod is connected to the inner thread of the nut. A knob is connected to one end of the threaded rod, and a support plate is connected to the other end of the threaded rod. A limiting nail is provided at the bottom of the support plate.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, a protective device is provided, and a motor is used to drive the double-threaded rod to rotate, so that the double-threaded rod drives the two threaded seats to move toward each other, so that the two threaded seats respectively drive the first anti-slip arc plate and the second protective arc plate to approach and fit each other, so that the first protective arc plate and the second protective arc plate protect the drilling port of the drilling tube, and avoid flying gravel during drilling to cause damage to surrounding personnel.

[0018] 2. In the utility model, by setting a sealing device, when the first protective arc plate and the second protective arc plate are close to each other, the sealing strip is squeezed by the plug-in block, so that it moves inward and squeezes the spring, causing the spring to generate a rebound force. When the plug-in block is plugged into place, the sealing strip is reset and fits with the sealing groove by the rebound force of the spring, thereby further sealing the first protective arc plate and the second protective arc plate, thereby improving the protection of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a drilling rig for geotechnical engineering investigation proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a protective device for a drilling rig for geotechnical engineering investigation proposed by the utility model;

[0021] Figure 3 This is a structural schematic diagram of a sealing device for a drilling rig for geotechnical engineering investigation proposed by the utility model;

[0022] Figure 4 The utility model provides a drilling rig for geotechnical engineering investigation Figure 3 A schematic diagram of the enlarged structure of part A.

[0023] Legend: 1. Cylinder; 2. Horizontal plate; 3. Mounting frame; 4. Fixed frame; 5. First sliding sleeve seat; 6. First motor; 7. Support plate; 8. Protective device; 801. First protective arc plate; 802. Fixed block; 803. Second sliding sleeve seat; 804. Second slide rod; 805. Second protective arc plate; 806. Threaded seat; 807. Double-threaded rod; 808. Second motor; 9. Sealing device; 901. Sealing strip; 902. Plug-in slot; 903. Sealing slot; 904. Plug-in block; 905. Moving slot; 906. Slide slot; 907. Spring; 908. Fixed rod; 909. Sliding block; 10. Threaded rod; 11. Knob; 12. Bottom plate; 13. Drilling tube; 14. Moving plate; 15. First slide rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a technical solution: a drilling rig for geotechnical engineering survey, including a bottom plate 12, two fixing frames 4 are connected to the top of the bottom plate 12, and the same horizontal plate 2 is connected between the two fixing frames 4, a cylinder 1 is fixedly installed on the top of the horizontal plate 2, the top rod of the cylinder 1 passes through the horizontal plate 2 and is connected to the mounting frame 3, a moving plate 14 is connected to the bottom of the mounting frame 3, a first motor 6 is fixedly installed in the mounting frame 3, the output shaft of the first motor 6 passes through the moving plate 14 and is connected to a drilling tube 13, a protective device 8 is connected to the bottom of the bottom plate 12, and the protective device 8 includes a plurality of fixed blocks 802, and a second sliding rod 804 is connected between two of the fixed blocks 802, and a double-grained rod 80 is rotatably connected between the other two fixed blocks 802. 7. A second motor 808 is fixedly installed on one side of a fixed block 802 connected to one end of the double-grooved rod 807, two threaded seats 806 are threadedly connected to the outer wall of the double-grooved rod 807, and two second sliding sleeve seats 803 are slidably connected to the outer wall of the second slide rod 804, and a first protective arc plate 801 and a second protective arc plate 805 are respectively connected between the two second sliding sleeve seats 803 and the corresponding threaded seats 806, one side of the fixed block 802 is connected to the bottom of the base plate 12, and the output shaft of the second motor 808 is connected to one end of the double-grooved rod 807, a first slide rod 15 is connected inside the fixed frame 4, and a first sliding sleeve seat 5 is slidably connected to the outer wall of the first slide rod 15, and the opposite sides of the two first sliding sleeve seats 5 are respectively connected to the two sides of the movable plate 14.

[0026] In a specific implementation, by setting the second sliding sleeve seat 803 to slide on the outer wall of the second sliding rod 804, the first protective arc plate 801 and the second protective arc plate 805 are more stable when moving, and the first protective arc plate 801 and the second protective arc plate 805 are supported to avoid the first anti-slip arc plate and the second protective arc plate 805 from generating gaps during operation to affect the protective effect. By setting a double-grooved rod 807 and two sections of threads in opposite directions on the outer wall of the double-grooved rod 807, the two thread seats 806 can move toward each other synchronously, thereby improving the accuracy of the protection of the device.

[0027] Two sealing devices 9 are connected to one side of the opposite surface of the first protective arc plate 801 and the second protective arc plate 805. The sealing device 9 includes a plug-in slot 902, a plug-in block 904 is slidably connected in the plug-in slot 902, and sealing slots 903 are provided on both sides of the plug-in block 904. Moving slots 905 are provided on both sides of the inner wall of the plug-in slot 902. A sealing strip 901 is slidably connected in the moving slot 905. A plurality of fixed slots are provided on one side of the sealing strip 901, and a fixed rod 908 is slidably connected in the fixed slot. A spring 907 is sleeved on the outer wall of the fixed rod 908. Two sliding grooves 906 are provided on both sides of the inner wall of the moving slot 905, and a slider 909 is slidably connected in the sliding groove 906. One end of the fixed rod 908 is connected to one side of the movable groove 905, and two ends of the spring 907 are respectively connected to one side of the sealing strip 901 and one side of the movable groove 905, one side of the slider 909 is connected to one side of the sealing strip 901, and the plug-in slot 902 is opened on one side of the first protective arc plate 801, and one side of the plug-in block 904 is connected to one side of the second protective arc plate 805. A drilling hole is opened on the top of the bottom plate 12, and the drilling hole is located at the bottom of the drilling tube 13. Nuts are embedded on both sides of the top of the bottom plate 12, and the inner threads of the nuts are connected to the threaded rod 10, one end of the threaded rod 10 is connected to the knob 11, and the other end of the threaded rod 10 is connected to the support plate 7, and a limiting nail is provided at the bottom of the support plate 7.

[0028] In a specific implementation manner, a fixing rod 908 is provided to prevent the spring 907 from bending when the spring 907 is compressed, thereby preventing the bending from affecting the resilience of the spring 907; a slider 909 is provided to slide in the slide groove 906, thereby making the movement of the sealing strip 901 more stable, thereby preventing the sealing strip 901 from moving up and down and causing jamming and affecting the operation; a knob 11 is provided and turned to drive the threaded rod 10 to rotate, thereby causing the threaded rod 10 to drive the support plate 7 to move and contact the ground through the nut, thereby preventing the device from deviating and affecting the drilling efficiency during drilling.

[0029] Working principle: When in use, after moving the device to the desired position, the knob 11 is turned to make the knob 11 drive the threaded rod 10 to rotate, and then the threaded rod 10 drives the support plate 7 to move downward, and the limiting nails at the bottom of the support plate 7 ensure that the device has sufficient support during the drilling process to avoid deviation during the drilling process, and then the bottom drilling tube 13 is driven downward by the cylinder 1, and the drilling is carried out by rotating the first motor 6. At the same time, the double-grooved rod 807 is driven to rotate by the second motor 808, so that the double-grooved rod 807 drives the two threaded seats 806 to move toward each other, and then drives the first protective arc plate 801 and the second protective arc plate 805 to fit each other, so that the plug-in block 904 is plugged into the plug-in slot 902, and the sealing strip 901 fits with the sealing slot 903 through the rebound force of the spring 907, so as to prevent the drilling hole from slipping and prevent gravel from flying around and causing damage to people around.

[0030] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling rig for geotechnical engineering investigation, comprising a bottom plate (12), It is characterized in that The top of the bottom plate (12) is connected to two fixing frames (4), and the same horizontal plate (2) is connected between the two fixing frames (4). A cylinder (1) is fixedly installed on the top of the horizontal plate (2). The top rod of the cylinder (1) passes through the horizontal plate (2) and is connected to the mounting frame (3). The bottom of the mounting frame (3) is connected to a movable plate (14). A first motor (6) is fixedly installed inside the mounting frame (3). The output shaft of the first motor (6) passes through the movable plate (14) and is connected to a drilling tube (13). The bottom of the bottom plate (12) is connected to a protective device (8), and the protective device (8) includes a plurality of fixed blocks (802). A second sliding rod (804) is connected between two fixed blocks (802), and a double-threaded rod (807) is rotatably connected between the other two fixed blocks (802). A second motor (808) is fixedly installed on one side of the fixed block (802) connected to one end of the double-threaded rod (807). Two threaded seats (806) are threadedly connected to the outer wall of the double-threaded rod (807), and two second sliding sleeve seats (803) are slidably connected to the outer wall of the second sliding rod (804), and a first protective arc plate (801) and a second protective arc plate (805) are respectively connected between the two second sliding sleeve seats (803) and the corresponding threaded seats (806).

2. A drilling rig for geotechnical engineering investigation according to claim 1, It is characterized in that One side of the fixing block (802) is connected to the bottom of the bottom plate (12), and the output shaft of the second motor (808) is connected to one end of the double-threaded rod (807).

3. A drilling rig for geotechnical engineering survey according to claim 1, It is characterized in that The fixing frame (4) is internally connected with a first sliding rod (15), the outer wall of the first sliding rod (15) is slidably connected with a first sliding sleeve seat (5), and opposite sides of the two first sliding sleeve seats (5) are respectively connected to two sides of the moving plate (14).

4. A drilling rig for geotechnical engineering investigation according to claim 1, It is characterized in that Two sealing devices (9) are connected to one side of the opposite surface of the first protective arc plate (801) and the second protective arc plate (805), and the sealing device (9) includes a plug-in slot (902), a plug-in block (904) is slidably connected in the plug-in slot (902), and sealing slots (903) are provided on both sides of the plug-in block (904), and movable slots (905) are provided on both sides of the inner wall of the plug-in slot (902), and a sealing strip (901) is slidably connected in the movable slot (905), and a plurality of fixed slots are provided on one side of the sealing strip (901), and a fixed rod (908) is slidably connected in the fixed slot, and a spring (907) is sleeved on the outer wall of the fixed rod (908), and two sliding slots (906) are provided on both sides of the inner wall of the movable slot (905), and a slider (909) is slidably connected in the sliding slot (906).

5. A drilling rig for geotechnical engineering investigation according to claim 4, It is characterized in that One end of the fixed rod (908) is connected to one side of the movable groove (905), and two ends of the spring (907) are respectively connected to one side of the sealing strip (901) and one side of the movable groove (905), one side of the sliding block (909) is connected to one side of the sealing strip (901), and the plug-in groove (902) is provided on one side of the first protective arc plate (801), and one side of the plug-in block (904) is connected to one side of the second protective arc plate (805).

6. A drilling rig for geotechnical engineering investigation according to claim 1, It is characterized in that A drilling hole is provided at the top of the base plate (12), and the drilling hole is located at the bottom of the drilling tube (13). Nuts are embedded on both sides of the top of the base plate (12), and a threaded rod (10) is connected to the inner thread of the nut. A knob (11) is connected to one end of the threaded rod (10), and a support plate (7) is connected to the other end of the threaded rod (10). A limiting nail is provided at the bottom of the support plate (7).

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