CN209878374U - A rock drilling sampling device - Google Patents

Abstract

The utility model relates to the technical field of auxiliary devices for engineering buildings, in particular to a rock drilling and sampling device; device, connecting plate and placement frame, four sets of support rods are respectively arranged on the front side and rear side of the top of the two sets of bottom plates, the hydraulic device includes hydraulic pipes, oil tanks, two sets of high-pressure pumps, top plate and driving rods, and the bottom end of the hydraulic pipes is provided with The hydraulic tank connects the bottom end of the driving rod with the fixed plate; it also includes two sets of slide rails, two sets of slide plates, sealing plates, two sets of movable motors and two sets of installation frames. There are pulleys on the left and right sides of the group chute, drive rollers are set on the output ends of the two sets of movable motors, and there are multiple sets of movable plates on each set of drive rollers, and the front and rear ends of the sealing plates are respectively set There are two groups of driving plates, and each group of driving plates is provided with multiple groups of clamping plates.

Description

A rock drilling sampling device

technical field

The utility model relates to the technical field of engineering building attachments, in particular to a rock and soil drilling sampling device.

Background technique

As we all know, the rock and soil drilling sampling device is a device used to collect and extract the rock and soil on the soil surface in the natural environment, so as to facilitate the analysis of the composition of the soil by relevant personnel, so as to judge whether the soil area is suitable for construction. It has been widely used in the field of building construction; the existing geotechnical drilling and sampling device includes two sets of bottom plates, hydraulic devices, connecting plates and placement frames, and four sets of supports are respectively arranged on the front and rear sides of the top of the two sets of bottom plates Rods, the tops of the four sets of support rods are respectively connected with the left front side, right front side, left rear side and right rear side of the bottom end of the connecting plate, the hydraulic device is fixedly installed on the connecting plate, the bottom end of the hydraulic device is provided with a fixed plate, and It is fixedly installed at the bottom of the fixed plate. There is a placement cavity inside the placement frame. There is a pick-and-place opening on the left side wall of the placement rack. , the hydraulic device includes a hydraulic pipe, an oil tank, two sets of high-pressure pumps, a top plate and a driving rod, a hydraulic tank is arranged at the bottom of the hydraulic pipe, the oil tank is located in the hydraulic tank, and an oil storage cavity is arranged in the oil tank, and the oil storage The cavity is provided with hydraulic oil, and the bottom end of the oil tank is connected with an oil delivery pipe. Two sets of high-pressure pumps are respectively installed on the upper and lower sides of the oil delivery pipe. The bottom end of the driving rod is connected to the top of the top plate, and the bottom end of the driving rod is connected to the fixed plate. When the existing rock and soil drilling sampling device is in use, the user opens the hydraulic device and utilizes the high-pressure force generated by the high-pressure pump to input the hydraulic oil in the oil tank from the oil delivery pipe into the hydraulic tank, and the hydraulic oil enters the hydraulic tank to squeeze the air. Press, so that the top plate drives the driving rod and simultaneously drives the fixed plate to move the placement frame to a suitable height position so that the rock and soil can enter the placement cavity to collect and sample it; however, the existing rock and soil drilling sampling device In use, it is found that it is inconvenient to disassemble the placement rack, which leads to high limitations in the use of the device. It is inconvenient for users to move the placement rack and take and place samples. The use effect is poor, resulting in low reliability.

Utility model content

In order to solve the above technical problems, the utility model provides a convenient disassembly of the placement rack, which effectively reduces the use limitations of the device, facilitates the user to move the placement rack and take and place samples, and effectively improves the use effect of the device, thereby improving It uses reliable geotechnical drilling sampling device.

A rock and soil drilling and sampling device of the utility model comprises two sets of bottom plates, hydraulic devices, connecting plates and a placement frame, four sets of support rods are respectively arranged on the front side and the rear side of the top ends of the two sets of bottom plates, and the top ends of the four sets of support rods are They are respectively connected to the left front side, right front side, left rear side and right rear side of the bottom end of the connecting plate. The hydraulic device is fixedly installed on the connecting plate. There is a pick-and-place opening on the left side wall of the machine, and the pick-and-place opening communicates with the placement cavity. The hydraulic device includes hydraulic pipes, fuel tanks, two sets of high-pressure pumps, top plates and driving rods. In the hydraulic tank, there is an oil storage cavity in the oil tank, the hydraulic oil is set in the oil storage cavity, the oil delivery pipe is connected to the bottom of the oil tank, and two sets of high-pressure pumps are respectively installed on the upper side and the lower side of the oil delivery pipe , the bottom end of the driving rod is connected to the top of the top plate, and the bottom end of the driving rod is connected to the fixed plate; it also includes two sets of slide rails, two sets of slide plates, sealing plates, two sets of movable motors and two sets of mounting brackets, and the two sets of slide rails are respectively fixed Installed on the front side and the rear side of the bottom end of the fixed plate, two sets of slide grooves are respectively arranged on the two sets of slide rails, pulleys are arranged on the left and right sides of the two sets of slide grooves, and the two sets of slide plates are respectively fixed Installed at the front and rear ends of the placement frame, the two sets of slide plates are snapped into the two sets of chute respectively and located above the four sets of pulleys, and the two sets of mounting frames are respectively installed on the front and rear sides of the working chamber. Mounting slots are provided on the mounting frames, and two groups of movable motors are installed on the two groups of mounting frames respectively. The output ends of the two groups of movable motors are all provided with transmission rollers, and each group of transmission rollers is provided with multiple groups of movable plates. The front end and the rear end of the sealing plate are respectively provided with two groups of driving plates, and each group of driving plates is provided with multiple groups of clamping plates, and the bottom end of the working chamber is provided with a clamping groove.

A rock drilling and sampling device of the utility model also includes a connecting frame, two sets of fixing frames, a chain, a limit plate and a servo motor, the connecting frame is installed at the bottom of the fixing plate, and the connecting frame is provided with a connecting groove, Two groups of fixed frames are installed on the front side and the rear side in the connection groove respectively, the two groups of fixed frame brackets are provided with fixed shafts, the front side and the rear side on the fixed shafts are all provided with fixed rods, and the fixed rods of the two groups are Both are connected with the limit plate, the servo motor is fixedly installed in the connecting groove, the output end of the servo motor is provided with a transmission shaft, and the transmission shaft and the fixed shaft are respectively provided with a first sprocket and a second sprocket, so The chain is sleeved on the first sprocket and the second sprocket.

A rock and soil drilling and sampling device of the utility model also includes a measuring scale and a support plate, the bottom of the working cavity is provided with a fixed groove, the measuring scale is fixedly installed in the fixing groove, the supporting plate is located in the working cavity, and the measuring The measuring part of the scale is in contact with the bottom wall of the support plate.

A rock and soil drilling and sampling device of the utility model also includes a driving motor and a drill, a mounting plate is provided at the bottom of the placement frame, and a mounting groove is provided at the bottom of the mounting plate, and the driving motor is fixedly installed on the mounting plate. In the groove, the bottom output end of the drive motor is provided with a rotating plate, and the drill is fixedly installed at the bottom of the rotating plate.

A rock drilling and sampling device of the utility model also includes a storage motor, a display and a rubber plug. The wall is provided with an electrical connection buckle, and the electrical connection buckle is electrically connected to the storage motor, the rubber plug is hingedly installed on the side wall of the shelf, and a sealing buckle is arranged on the rubber plug, and a a conduction mechanism, and the conduction mechanism is electrically connected with the electric storage motor, and the display is installed on the bottom plate and electrically connected with the conduction mechanism and the measuring scale.

A rock and soil drilling and sampling device of the utility model also includes four sets of fixed anchors, a first connecting shaft, a second connecting shaft, two sets of left outriggers and two sets of right outriggers, and two sets of front and rear anchors at the bottom of the floor. Four groups of connecting rods are arranged on each side, and the four groups of fixing anchors are respectively fixedly installed on the bottom ends of the four groups of connecting rods, the two groups of base plates are provided with fixing holes, the bottom ends of the two groups of left outriggers and two groups of right outriggers Both are provided with rollers, the rear end of the first connecting shaft passes through two groups of left outriggers successively, the rear end of the second connecting shaft passes through two groups of right outriggers successively, and the first connecting shaft and the second connecting shaft are respectively fixed Installed in two sets of fixing holes.

A rock drilling and sampling device of the utility model further includes a sealing rubber ring fixedly installed at the bottom of the hydraulic pipe, and the inner side wall of the sealing rubber ring is in contact with the outer side wall of the driving rod.

A rock and soil drilling and sampling device of the utility model also includes two sets of pull rods, two sets of front brackets and two sets of rear brackets are respectively arranged on the left front side, right front side, left rear side and right rear side of the top of the connecting plate. The front end and the rear end of the pull rod are respectively connected with the rear side walls of the two groups of front brackets and the front ends of the rear brackets.

Compared with the prior art, the utility model has the beneficial effects that: the user can move the placement frame to drive two sets of slides to move in the two sets of chute, so that it is convenient for the user to adjust the two sets of slides on the four sets of pulleys to adjust the placement The position of the frame, the work of the movable motor can drive the two sets of transmission rollers to rotate. During the rotation of the transmission rollers, it can drive the movable plate to move and drive the clamp plate to move at the same time. The movement of the clamp plate can drive the drive plate and seal plate to move, which is convenient. The user adjusts the position of the sealing plate when needed, so as to collect multiple deep soil and rock samples during work, which facilitates the disassembly of the placement frame, effectively reduces the use limitations of the device, and facilitates the user to adjust the placement frame. Movement and sample pick-and-place can effectively improve the use effect of the device, thereby improving its reliability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of hydraulic device;

Fig. 3 is a structural schematic diagram of a connecting frame and a limiting plate;

Fig. 4 is the structural representation of slide rail and pulley;

Fig. 5 is a schematic diagram of an enlarged structure of part A;

Marks in the attached drawings: 1. Bottom plate; 2. Connecting plate; 3. Placement frame; 4. Support rod; 5. Fixed plate; 6. Hydraulic pipe; 7. Fuel tank; 8. High pressure pump; Oil pipeline; 11, slide rail; 12, slide plate; 13, sealing plate; 14, movable motor; 15, installation frame; 16, pulley; 17, movable plate; 18, drive plate; 21. Fixed frame; 22. Chain; 23. Limiting plate; 24. Servo motor; 25. Fixed rod; 26. Measuring scale; 27. Support plate; 28. Driving motor; ; 31, storage motor; 32, display; 33, sealing buckle; 34, fixed anchor; 35, left leg; 36, right leg; 37, connecting rod; 38, roller; 39, sealing rubber ring; 40, Pull rod; 41, front support.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Figures 1 to 5, a rock drilling and sampling device of the present utility model includes two groups of base plates 1, hydraulic devices, connecting plates 2 and placement frames 3, and the front and rear sides of the top ends of the two groups of base plates 1 are respectively Four sets of support rods 4 are provided, and the tops of the four groups of support rods 4 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the connecting plate 2, and the hydraulic device is fixedly installed on the connecting plate 2. The bottom end is provided with a fixed plate 5, and the placement frame 3 is provided with a placement cavity, and the left side wall of the placement frame 3 is provided with a pick-and-place opening, and the pick-and-place opening communicates with the placement cavity, and the hydraulic device includes a hydraulic pipe 6, an oil tank 7, Two sets of high-pressure pumps 8, top plate and driving rod 9, a hydraulic groove is arranged at the bottom of the hydraulic pipe 6, and the oil tank 7 is located in the hydraulic groove, and an oil storage chamber is arranged in the oil tank 7, and hydraulic oil is arranged in the oil storage chamber, and the oil tank The bottom end of 7 is connected with an oil delivery pipe 10, and two sets of high-pressure pumps 8 are respectively installed on the upper side and the lower side of the oil delivery pipe 10, the bottom end of the driving rod 9 is connected with the top of the top plate, and the bottom end of the driving rod 9 is connected with the fixed plate 5; Two groups of slide rails 11, two groups of slide plates 12, sealing plates 13, two groups of movable motors 14 and two groups of installation frames 15, two groups of slide rails 11 are respectively fixedly installed on the front side and the rear side of the bottom of the fixed plate 5, and the two groups of slide rails Rail 11 is provided with two groups of chute respectively, and the left side and the right side in the two groups of chute are all provided with pulley 16, and two groups of slide plates 12 are fixedly mounted on the front end and the rear end of placing frame 3 respectively, two groups of slide plates 12 respectively Clamped in two groups of chute and located above four groups of pulleys 16, two groups of mounting frames 15 are installed on the front side and rear side of the working chamber respectively, two groups of mounting frames 15 are provided with mounting slots, two groups of movable motors 14 are respectively installed on two groups of installation racks 15, and the output ends of two groups of movable motors 14 are all provided with drive rollers, all are provided with multiple groups of movable plates 17 on each group of drive rollers, and the front end and the rear end of sealing plate 13 are respectively provided with Two groups of driving plates 18, each group of driving plates 18 are provided with multiple sets of clamping plates 19, and the bottom of the working chamber is provided with a card slot; the user can move the placement frame to drive two groups of slide plates to move in the two groups of chute , so that it is convenient for the user to adjust the two sets of slide plates on the four sets of pulleys to adjust the position of the shelf. The movable motor can drive the two sets of transmission rollers to rotate. During the rotation of the transmission rollers, it can drive the movable plate to move and drive the clamping plate Moving, the movement of the clamping plate can drive the driving plate and the sealing plate to move at the same time, which is convenient for the user to adjust the position of the sealing plate when needed, so as to collect multiple deep soil and rock samples during work, which is convenient for the placement frame. Disassembly can effectively reduce the use limitation of the device, facilitate the user to move the rack and take and place samples, effectively improve the use effect of the device, and thereby improve its reliability.

A kind of rock and soil drilling and sampling device of the present utility model also comprises connecting frame 20, two groups of fixed frames 21, chain 22, limit plate 23 and servo motor 24, and connecting frame 20 is installed on the bottom end of fixed plate 5, and connecting frame 20 A connecting groove is arranged on the top, and two groups of fixing frames 21 are respectively installed on the front side and the rear side in the connecting groove. , the two sets of fixed rods 25 are all connected with the limit plate 23, the servo motor 24 is fixedly installed in the connection groove, the output end of the servo motor 24 is provided with a transmission shaft, and the first sprocket is respectively provided on the transmission shaft and the fixed shaft and the second sprocket, the chain 22 is sleeved on the first sprocket and the second sprocket; the servo motor can drive the drive shaft to rotate and drive the first sprocket to rotate at the same time, and the first sprocket can rotate through the transmission effect of the chain Drive the second sprocket to rotate, the rotation of the second sprocket can drive the fixed shaft to rotate and move the two sets of fixed rods to move, and the fixed rod can drive the limit plate to move to limit the position of the two sets of skateboards and the placement frame during the working process .

A rock and soil drilling and sampling device of the present utility model also includes a measuring scale 26 and a support plate 27, the bottom of the working chamber is provided with a fixed groove, the measuring scale 26 is fixedly installed in the fixing groove, and the supporting plate 27 is located in the working chamber. And the measuring part of the measuring scale 26 is in contact with the bottom wall of the support plate 27; the measuring scale can measure the weight of the soil sample above the support plate, which is convenient for the user to calculate and analyze the soil sample data.

A rock drilling and sampling device of the present utility model also includes a drive motor 28 and a drill 29, a mounting plate is provided at the bottom of the placement frame 3, and a mounting groove is provided at the bottom of the mounting plate, and the drive motor 28 is fixedly installed In the installation groove, the bottom output end of the driving motor 28 is provided with a rotating plate 30, and the drill 29 is fixedly installed on the bottom of the rotating plate 30; the driving motor can drive the rotating plate to rotate, and the rotating plate can drive the drill during rotation The holer is used to carry out punctual points, so that the soil layer can be broken by the holer, and the placement frame can be moved to a suitable depth position in the soil layer.

A kind of rock and soil drilling sampling device of the present utility model also comprises electric storage motor 31, display 32 and rubber stopper, and electric storage motor 31 is installed in the working chamber and is connected with driving motor 28, servo motor 24 and movable motor 14 through lead wire Connection, the side wall of the placement frame 3 is provided with an electrical connection buckle, and the electrical connection buckle is electrically connected with the storage motor 31, the rubber plug is hingedly mounted on the side wall of the placement frame 3, and a sealing buckle 33 is provided on the rubber plug , the working chamber is provided with a conduction mechanism, and the conduction mechanism is electrically connected with the storage motor 31, and the display 32 is installed on the bottom plate 1 and is electrically connected with the conduction mechanism and the measuring scale 26; the storage motor can be stored through the electrical connection buckle Processing, the storage motor can store the electricity to ensure that the electrical appliances of the device can work normally in a working environment far away from the power supply, and move the rubber plug to drive the sealing buckle to move to the electrical connection buckle, which can prevent moisture and dust from the electrical connection buckle processing to improve the practicability of the device.

A rock drilling and sampling device of the present utility model also includes four sets of fixed anchors 34, a first connecting shaft, a second connecting shaft, two groups of left legs 35 and two groups of right legs 36, two groups of base plates 1 bottom Four groups of connecting rods 37 are arranged on the front side and the rear side, and the four groups of fixing anchors 34 are respectively fixedly installed on the bottom ends of the four groups of connecting rods 37. The two groups of bottom plates 1 are provided with fixing holes, and the two groups of left legs 35 and Two groups of right supporting legs 36 bottom ends are all provided with roller 38, the rear end of the first connecting shaft passes through two groups of left supporting legs 35 successively, the rear end of the second connecting shaft passes through two groups of right supporting legs 36 successively, the first The connecting shaft and the second connecting shaft are respectively fixedly installed in two sets of fixing holes; the user can simultaneously move the four sets of rollers to the Suitable position, thereby improving the working flexibility of the device, moving the four sets of fixed anchors into the soil layer can improve the working stability of the device.

A kind of rock and soil drilling sampling device of the present utility model also comprises sealing rubber ring 39, and sealing rubber ring 39 is fixedly installed on the bottom end of hydraulic pipe 6, and the inner side wall of sealing rubber ring 39 is in contact with the outer side wall of driving rod 9; The rubber ring can improve the sealing degree in the hydraulic tank, thereby ensuring the working effect of the hydraulic device.

A rock drilling and sampling device of the utility model also includes two sets of pull rods 40, and two sets of front brackets 41 and two sets of rear brackets are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the top of the connecting plate 2. , the front and rear ends of the two sets of pull rods 40 are respectively connected to the rear side walls of the two sets of front brackets 41 and the front ends of the rear brackets; moving the two sets of pull rods can drive the two sets of front brackets and the two sets of rear brackets to move, thereby facilitating the user Move the device to a suitable location.

A rock and soil drilling and sampling device of the utility model, when it is working, the user first moves two groups of pull rods to drive two groups of front brackets and two groups of rear brackets to move, thereby moving the device as a whole to the position required by the user. The operator can move the two sets of left legs and two sets of right legs to the appropriate position at the same time on the first connecting shaft and the second connecting shaft, so as to move the device to the nearby position of soil sampling, and fix the four sets The movement of the anchor into the soil layer can improve the overall stability of the device, thereby preventing the device from sliding during the working process. The user can move the placement frame and drive the two sets of slides to move in the two sets of chute, so that the user can easily Adjust the two sets of slide plates on the four sets of pulleys to adjust the position of the shelf. The user opens the hydraulic device and uses the high-pressure force generated by the high-pressure pump to input the hydraulic oil in the oil tank from the oil delivery pipe into the hydraulic tank, and the hydraulic oil enters the hydraulic tank. Squeeze, so that the top plate drives the driving rod and drives the fixed plate to move at the same time. The driving motor can drive the rotating plate to rotate. To break the soil, the placement frame can be moved to a suitable depth position in the soil layer, so that the placement frame can be moved to a suitable height position so that the rock and soil can enter the placement cavity for collection and sampling. The movable motor can drive two groups of The transmission roller rotates. During the rotation of the transmission roller, it can drive the movable plate to move and drive the clamp plate to move. The movement of the clamp plate can drive the drive plate and seal plate to move at the same time, which is convenient for the user to adjust the position of the seal plate when needed. To collect multiple deep soil and rock samples during work, the servo motor can drive the drive shaft to rotate and drive the first sprocket to rotate at the same time, and the first sprocket can drive the second sprocket through the transmission of the chain. Rotate, the rotation of the second sprocket can drive the fixed shaft to rotate and move the two sets of fixed rods to move, the fixed rods can drive the limit plate to move to limit the position of the two sets of slide plates and the placement frame during the working process, and the measuring scale can support The weight of the soil sample above the board is measured, which is convenient for users to calculate and analyze the soil sample data. The storage motor can be stored through the electrical connection buckle, and the storage motor can store the power to ensure the power consumption of the device. It can work normally in a working environment far away from the power supply. Moving the rubber plug to drive the sealing buckle to move to the electrical connection buckle can prevent moisture and dust from the electrical connection buckle. The sealing rubber ring can improve the sealing degree in the hydraulic tank, thereby Guarantee the working effect of the hydraulic device.

A rock and soil drilling and sampling device of the present utility model, unless otherwise stated, the orientation words included in the terms such as "up and down, left and right, front and rear, inside and outside, and vertical and horizontal" only represent the orientation of the term in the normal use state , or a common name understood by those skilled in the art, and should not be regarded as a limitation of the term. At the same time, nouns such as "first", "second" and "()" do not represent specific quantities and sequences, is used for distinction of nomenclature only, and the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements , but also includes other elements not expressly listed, or also includes elements inherent in such process, method, article or equipment.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And modification should also be regarded as the protection scope of the present utility model.

Claims (8)

1. A rock drilling sampling device comprises two groups of bottom plates (1), a hydraulic device, a connecting plate (2) and a placing frame (3), wherein the front side and the rear side of the top end of each of the two groups of bottom plates (1) are respectively provided with four groups of supporting rods (4), the top ends of the four groups of supporting rods (4) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the connecting plate (2), the hydraulic device is fixedly arranged on the connecting plate (2), the bottom end of the hydraulic device is provided with a fixing plate (5), a placing cavity is arranged in the placing frame (3), a taking and placing opening is arranged on the left side wall of the placing frame (3) and communicated with the placing cavity, the hydraulic device comprises a hydraulic pipe (6), an oil tank (7), two groups of high-pressure pumps (8), a top plate and a driving rod (9), the bottom end of the hydraulic pipe (, an oil storage cavity is formed in the oil tank (7), hydraulic oil is arranged in the oil storage cavity, the bottom end of the oil tank (7) is communicated with an oil conveying pipe (10), two groups of high-pressure pumps (8) are respectively installed on the upper side and the lower side of the oil conveying pipe (10), the bottom end of the driving rod (9) is connected with the top end of the top plate, and the bottom end of the driving rod (9) is connected with the fixed plate (5); it is characterized by also comprising two groups of slide rails (11), two groups of sliding plates (12), a sealing plate (13), two groups of movable motors (14) and two groups of mounting frames (15), wherein the two groups of slide rails (11) are respectively and fixedly arranged at the front side and the rear side of the bottom end of the fixed plate (5), the two groups of slide rails (11) are respectively provided with two groups of sliding grooves, the left side and the right side in the two groups of sliding grooves are respectively provided with pulleys (16), the two groups of sliding plates (12) are respectively and fixedly arranged at the front end and the rear end of the placing frame (3), the two groups of sliding plates (12) are respectively clamped in the two groups of sliding grooves and positioned above the four groups of pulleys (16), the two groups of mounting frames (15) are respectively arranged at the front side and the rear side of the working cavity, the two groups of mounting frames (15) are respectively provided with mounting grooves, the two groups of movable, all be provided with multiunit fly leaf (17) on every group driving roller, the front end and the rear end of closing plate (13) are provided with two sets of drive board (18) respectively, all are provided with multiunit cardboard (19) on every group drive board (18), and the bottom of working chamber is provided with the draw-in groove.

2. The geotechnical drilling sampling device according to claim 1, further comprising a connecting frame (20), two sets of fixing frames (21), a chain (22), a limiting plate (23) and a servo motor (24), wherein the connecting frame (20) is installed at the bottom end of the fixing plate (5), the connecting frame (20) is provided with connecting grooves, two groups of fixing frames (21) are respectively arranged at the front side and the rear side in the connecting grooves, the brackets of the two groups of fixing frames (21) are provided with fixed shafts, the front side and the rear side of the fixed shaft are both provided with fixed rods (25), two groups of the fixed rods (25) are both connected with a limiting plate (23), a servo motor (24) is fixedly arranged in a connecting groove, the output end of the servo motor (24) is provided with a transmission shaft, and a first chain wheel and a second chain wheel are respectively arranged on the transmission shaft and the fixed shaft, and the chain (22) is sleeved on the first chain wheel and the second chain wheel.

3. The geotechnical drilling sampling device according to claim 2, characterized in that the device further comprises a measuring scale (26) and a support plate (27), a fixing groove is formed at the bottom end of the working chamber, the measuring scale (26) is fixedly installed in the fixing groove, the support plate (27) is located in the working chamber, and the measuring portion of the measuring scale (26) is in contact with the bottom wall of the support plate (27).

4. The geotechnical drilling sampling device according to claim 3, further comprising a driving motor (28) and a drilling device (29), wherein a mounting plate is arranged at the bottom end of the placing frame (3), a mounting groove is formed in the bottom end of the mounting plate, the driving motor (28) is fixedly mounted in the mounting groove, a rotating plate (30) is arranged at the bottom output end of the driving motor (28), and the drilling device (29) is fixedly mounted at the bottom end of the rotating plate (30).

5. The geotechnical drilling sampling device according to claim 4, further comprising an electricity storage motor (31), a display (32) and a rubber plug, wherein the electricity storage motor (31) is installed in the working chamber and electrically connected with the driving motor (28), the servo motor (24) and the movable motor (14) through wires, an electric connecting buckle is arranged on the side wall of the placing frame (3) and electrically connected with the electricity storage motor (31), the rubber plug is hinged to the side wall of the placing frame (3) and provided with a sealing buckle (33) on the rubber plug, a conduction mechanism is arranged in the working chamber and electrically connected with the electricity storage motor (31), and the display (32) is installed on the bottom plate (1) and electrically connected with the conduction mechanism and the measuring scale (26).

6. The rock-soil drilling sampling device of claim 5, further comprising four groups of fixing anchors (34), first connecting shafts, second connecting shafts, two groups of left legs (35) and two groups of right legs (36), wherein the four groups of connecting rods (37) are arranged on the front sides and the rear sides of the bottoms of the two groups of bottom plates (1), the four groups of fixing anchors (34) are respectively and fixedly arranged at the bottoms of the four groups of connecting rods (37), the two groups of bottom plates (1) are respectively provided with fixing holes, the bottoms of the two groups of left legs (35) and the two groups of right legs (36) are respectively provided with rollers (38), the rear ends of the first connecting shafts sequentially penetrate through the two groups of left legs (35), the rear ends of the second connecting shafts sequentially penetrate through the two groups of right legs (36), and the first connecting shafts and the second connecting shafts are respectively and fixedly arranged in the two groups of.

7. The geotechnical drilling sampling device according to claim 6, characterized in that it further comprises a rubber gasket (39), the rubber gasket (39) is fixedly installed at the bottom end of the hydraulic pipe (6), and the inner side wall of the rubber gasket (39) is in contact with the outer side wall of the driving rod (9).

8. The geotechnical drilling sampling device according to claim 7, further comprising two sets of tie rods (40), wherein the left front side, the right front side, the left rear side and the right rear side of the top end of the connecting plate (2) are respectively provided with two sets of front brackets (41) and two sets of rear brackets, and the front ends and the rear ends of the two sets of tie rods (40) are respectively connected with the rear side walls of the two sets of front brackets (41) and the front ends of the rear brackets.