CN217738717U - Geotechnical sampling device in geotechnical engineering - Google Patents

Abstract

The utility model belongs to the technical field of geotechnical engineering, in particular to a geotechnical engineering sampling device, comprising a base plate, a gantry frame is fixedly installed on the top of the base plate, and two gantry frames are fixedly connected to the top of the gantry frame A threaded sleeve, a threaded rod is threadedly sleeved in the two threaded sleeves, the outer side of the two threaded rods is rotatably connected with the same drive box, and the bottom ends of the two threaded rods are fixedly connected with a driven helical gear. A servo motor is fixedly connected to the top of the . The utility model has a reasonable structure design, through the cooperation of the nut, the lower screw, the fixing plate and the anti-skid pad, it is convenient to support and fix the device and ensure the stability during sampling. The cooperation of the drill bit, the rotating rod, the scale line, the driving worm gear, the driving helical gear and the driven helical gear is convenient for drilling and sampling the rock and soil of different depths according to the needs, which is convenient for use.

Description

A rock soil sampling device in geotechnical engineering

technical field

The utility model relates to the technical field of geotechnical engineering, in particular to a rock soil sampling device in geotechnical engineering.

Background technique

Geotechnical engineering is a new technical system established in the practice of civil engineering in European and American countries in the 1960s. Geotechnical engineering is to solve rock mass and soil engineering problems, including foundation and foundation, slope and underground engineering, etc., as its own research object. In geotechnical engineering, sampling and analysis of rock and soil is essential a process. And the sampling of rock and soil often needs to carry out borehole sampling to rock and soil by sampling device.

However, in the existing geotechnical engineering, it is inconvenient to sample rocks and soils of different depths according to the needs when sampling, and it is inconvenient to effectively support and fix the device during sampling, resulting in poor stability and easy sampling. Shaking will affect the sampling, so we propose a geotechnical sampling device in geotechnical engineering to solve the above problems.

Utility model content

The purpose of this utility model is to solve the above-mentioned shortcoming, and propose a kind of rock soil sampling device in geotechnical engineering.

In order to achieve the above object, the utility model adopts the following technical solutions:

A rock and soil sampling device in geotechnical engineering, comprising a base plate, a gantry frame is fixedly installed on the top of the base plate, and two threaded sleeves are fixedly connected to the top of the gantry frame, and the two threaded sleeves are both threaded and socketed There are threaded rods, the outer sides of the two threaded rods are connected with the same drive box, the bottom ends of the two threaded rods are fixedly connected with driven helical gears, the top of the drive box is fixedly connected with a servo motor, and the servo motor A worm is fixedly connected to the output shaft of the worm, and the bottom end of the worm is detachably fixedly connected with a drill bit, and the same rotating rod is installed on the inner wall of both sides of the drive box, and the outer fixed sleeve of the rotating rod is provided with A driving worm gear and two driving helical gears, the worm meshes with the driving worm gear, and the two driving helical gears mesh with the corresponding driven helical gears respectively, four nuts are fixedly arranged on the top of the base plate, and the The inner thread of the nut is sleeved with a lower screw rod, and the bottom end of the lower screw rod is fixedly provided with a fixing plate.

Preferably, a through hole is opened on the top of the base plate, and the drill bit is located in the through hole.

Preferably, two round rods are fixedly arranged on the top of the base plate and the top inner wall of the gantry frame, and a scale line is arranged on the outer side of one of the two round rods.

Preferably, the outer sides of the two round rods are slidably fitted with slide plates, and the two slide plates are respectively fixedly arranged on the outer sides of the drive box.

Preferably, the bottom end of the worm is provided with a plug-in slot, and a plug-in board is movably clamped in the plug-in slot, and the plug-in board is fixedly arranged on the top of the drill bit, and both sides of the plug-in board are A fixing groove is provided, and upper screw rods are threaded on both sides of the worm, and the two upper screw rods are movably snapped into corresponding fixing grooves respectively.

Preferably, the bottom of the base plate is rotatably provided with four moving wheels, and the four moving wheels are arranged in a rectangular shape based on the base plate.

Preferably, the bottoms of the four fixing plates are all fixedly provided with anti-skid plates, and the top ends of the four lower screw rods are all fixedly provided with handwheels.

In the utility model, the rock and soil sampling device in geotechnical engineering is convenient to support and fix the device parts through the cooperation of the nut, the lower screw rod, the fixing plate and the anti-skid pad, so as to ensure the stability of sampling, and through the upper The cooperation of the screw, the plug plate, the fixing slot and the plug slot facilitates the disassembly and replacement of the damaged drill bit;

In the utility model, the rock and soil sampling device in geotechnical engineering is provided with a servo motor, a drive box, a threaded sleeve, a threaded rod, a worm, a drill bit, a rotating rod, a scale line, a transmission worm wheel, a driving helical gear and a slave The cooperation of the movable helical gear is convenient for drilling and sampling rocks and soils of different depths according to the needs, which is convenient for use;

The utility model has a reasonable structural design. Through the cooperation of the nut, the lower screw, the fixing plate and the anti-slip pad, it is convenient to support and fix the device and ensure the stability during sampling. Through the servo motor, drive box, threaded sleeve, threaded rod, worm, The cooperation of the drill bit, the rotary rod, the scale line, the driving worm gear, the driving helical gear and the driven helical gear is convenient for drilling and sampling rock soil at different depths as required, and is convenient for use.

Description of drawings

Fig. 1 is the structural representation of rock soil sampling device in a kind of geotechnical engineering that the utility model proposes;

Fig. 2 is a sectional view of a rock soil sampling device in a geotechnical engineering proposed by the utility model;

Fig. 3 is a structural schematic diagram of part A of a geotechnical sampling device proposed by the utility model.

In the figure: 1, base plate; 2, moving wheel; 3, gantry frame; 4, nut; 5, drive box; 6, slide plate; 7, thread sleeve; 8, thread rod; 9, drill bit; 10, through hole; 11. Round rod; 12. Lower screw; 13. Fixed plate; 14. Anti-skid plate; 15. Graduation line; 16. Rotating rod; 17. Drive helical gear; 18. Transmission worm gear; 19. Worm; 20. Servo motor; 21, driven helical gear; 22, socket slot; 23, fixed groove; 24, socket plate; 25, upper screw rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a rock and soil sampling device in geotechnical engineering includes a base plate 1, a gantry 3 is fixedly installed on the top of the base plate 1, and two threaded sleeves 7 are fixedly connected to the top of the gantry 3. The inner threads of the threaded sleeve 7 are threaded with threaded rods 8, and the outer sides of the two threaded rods 8 are connected with the same drive box 5. The bottom ends of the two threaded rods 8 are fixedly connected with driven helical gears 21, and the drive box 5 The top of the drive box 5 is fixedly connected with a servo motor 20, the output shaft of the servo motor 20 is fixedly connected with a worm 19, the bottom end of the worm 19 is detachably fixedly connected with a drill bit 9, and the inner walls on both sides of the drive box 5 are provided with the same rotating shaft. Rod 16, the outer fixed sleeve of the rotating rod 16 is provided with a transmission worm gear 18 and two driving helical gears 17, the worm 19 is meshed with the transmission worm gear 18, and the two driving helical gears 17 are respectively meshed with the corresponding driven helical gears 21 , start the servo motor 20, the servo motor 20 drives the rotation of the worm screw 19 and the drill bit 9, the worm screw 19 drives the rotation of the transmission worm gear 18, and the transmission worm gear 18 drives the synchronous rotation of the rotary rod 16 and the two driving helical gears 17, two The driving helical gear 17 drives the synchronous rotation of the two driven helical gears 21 and the threaded rod 8. Under the action of the two fixedly arranged threaded sleeves 7, the two threaded rods 8 move downward in a rotational manner and drive the drive box 5 and the downward movement of the drill bit 9, and then drives the drill bit 9 to rotate while moving downward, and then the rock and soil can be drilled and sampled;

The top of the base plate 1 is fixedly provided with four nuts 4, and the nut 4 internal thread is sleeved with a lower screw rod 12, and the bottom end of the lower screw rod 12 is fixedly provided with a fixed plate 13, and the lower screw rod 12 is rotated, and under the action of the nut 4, the lower screw rod 12 is fixedly arranged. The downward movement of the screw rod 12 drives the downward movement of the fixed plate 13 to contact the ground, and then supports and fixes the device to ensure the stability during sampling.

In the utility model, the top of the base plate 1 is provided with a through hole, and the drill bit 9 is located in the through hole, which does not hinder the movement of the drill bit 9 .

In the utility model, two round bars 11 are fixedly arranged on the top of the base plate 1 and the top inner wall of the gantry 3, and a scale line 15 is arranged on the outside of a round bar 11 in the two round bars 11. , the depth of the hole drilled by the drill bit 9 can be clearly understood, and then the rock and soil of different depths can be drilled and sampled as required.

In the utility model, the outer sides of the two round rods 11 are all slidingly sleeved with a slide plate 6, and the two slide plates 6 are fixedly arranged on the outside of the drive box 5 respectively, so as to facilitate guiding the drive box 5 and make it move more smoothly.

In the utility model, the bottom end of the worm 19 is provided with an insertion groove 22, and an insertion plate 24 is movably clamped in the insertion groove 22. The insertion plate 24 is fixedly arranged on the top of the drill bit 9, and the two sides of the insertion plate 24 All have fixing groove 23, the both sides of worm screw 19 are all threaded with upper screw rod 25, and two upper screw rods 25 are movably snapped in corresponding fixing groove 23 respectively, after drill bit 9 is damaged, unscrew upper screw rod 25, make Upper screw rod 25 breaks away from fixing groove 23, and then does not fix plug plate 24, can take off drill bit 9 and replace, then new drill bit 9 and plug board 24 are inserted in the socket slot 22, and screw rod 25 is tightened, The upper screw rod 25 is clipped in the fixing groove 23, so that the drill bit 9 can be fixed on the bottom end of the worm screw 19.

In the utility model, the bottom of the base plate 1 is provided with four moving wheels 2 for rotation, and the four moving wheels 2 are arranged in a rectangular shape based on the base plate 1 to facilitate the movement of the device.

In the utility model, the bottoms of the four fixing plates 13 are all fixedly provided with anti-skid plates 14, and the tops of the four lower screw rods 12 are all fixedly provided with handwheels, which is convenient for personnel to rotate the lower screw rods 12. firm.

In the utility model, when working, the device is pushed to the position to be sampled by moving the wheel 2, and then the lower screw rod 12 is rotated, and under the action of the nut 4, the lower screw rod 12 rotates downward and drives the fixing plate 13 and the anti-skid plate 14 move down to contact with the ground, and then the device can be supported and fixed to ensure the stability during sampling, then start the servo motor 20, the servo motor 20 drives the rotation of the worm screw 19 and the drill bit 9, and the worm screw 19 drives the The rotation of the transmission worm gear 18, the transmission worm gear 18 has driven the synchronous rotation of the rotary rod 16 and the two driving helical gears 17, and the two driving helical gears 17 have driven the synchronous rotation of the two driven helical gears 21 and the threaded rod 8. One is fixedly arranged under the effect of threaded sleeve 7, and the downward movement of two threaded rods 8 has driven the downward movement of drive box 5 and drill bit 9, and then driven the downward movement of drill bit 9 while rotating, and then can be used for rock and soil Carry out borehole sampling operation, by the scale line 15 that is provided with on the round rod 11, can clear the depth of drill bit 9 boreholes, and then can carry out borehole sampling to rock soil of different depths as required, convenient to use, then in the reverse direction Start the servo motor 20, the drill bit 9 moves upwards and resets, and the next place can be sampled. Through the cooperation of the upper screw rod 25, the plug plate 24, the fixing groove 23 and the plug groove 22, the damaged drill bit 9 is conveniently disassembled. Replacement.

Claims (7)

1. rock soil sampling device in a kind of geotechnical engineering, comprises base plate (1), it is characterized in that, the top of described base plate (1) is fixedly equipped with gantry (3), and the top of described gantry (3) The top is fixedly connected with two threaded sleeves (7), and the insides of the two threaded sleeves (7) are threaded with threaded rods (8), and the outer sides of the two threaded rods (8) are connected with the same drive box (5) , the bottom ends of the two threaded rods (8) are fixedly connected with a driven helical gear (21), the top of the drive box (5) is fixedly connected with a servo motor (20), and the output of the servo motor (20) The shaft is fixedly connected with a worm (19), and the bottom end of the worm (19) is detachably fixedly connected with a drill bit (9), and the inner wall of both sides of the drive box (5) is provided with the same rotating rod ( 16), the outer fixed sleeve of the rotating rod (16) is provided with a transmission worm (18) and two driving helical gears (17), the worm (19) is meshed with the transmission worm (18), and the two driving The helical gears (17) are respectively meshed with the corresponding driven helical gears (21), and four nuts (4) are fixedly arranged on the top of the base plate (1), and the inner thread of the nuts (4) is socketed with a lower The screw (12), the bottom end of the lower screw (12) is fixedly provided with a fixing plate (13). 2. The rock soil sampling device in geotechnical engineering according to claim 1, characterized in that, a through hole is opened on the top of the base plate (1), and the drill bit (9) is located in the through hole. 3. The geotechnical sampling device in a kind of geotechnical engineering according to claim 1, characterized in that two round rods are fixedly arranged on the top of the base plate (1) and the top inner wall of the gantry (3) (11), a scale mark (15) is provided on the outer side of a round bar (11) in the two round bars (11). 4. The rock and soil sampling device in a kind of geotechnical engineering according to claim 3, is characterized in that, the outer sides of two round rods (11) are all slidingly sleeved with slide plates (6), and the two slide plates (6) are respectively It is fixedly arranged on the outside of the drive box (5). 5. The rock soil sampling device in a kind of geotechnical engineering according to claim 1, characterized in that, the bottom end of the worm (19) is provided with an insertion groove (22), and the insertion groove (22) A plug-in board (24) is clamped in the inner movable, and the plug-in board (24) is fixedly arranged on the top of the drill bit (9), and both sides of the plug-in board (24) are provided with fixing grooves (23), Both sides of the worm (19) are threaded with upper screw rods (25), and the two upper screw rods (25) are respectively movably snapped into corresponding fixing grooves (23). 6. The geotechnical sampling device in a kind of geotechnical engineering according to claim 1, characterized in that, the bottom of the base plate (1) is provided with four moving wheels (2), four moving wheels (2 ) is arranged rectangularly based on the base plate (1). 7. rock soil sampling device in a kind of geotechnical engineering according to claim 1, is characterized in that, the bottom of four fixed plates (13) is all fixedly provided with antiskid plate (14), and four lower screw rods (12) The tops are all fixedly provided with handwheels.

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