CN209961523U - Depth-adjustable soil sampling device for rock soil detection - Google Patents

Abstract

The utility model discloses a soil borrowing device for geotechnical testing with adjustable depth, which comprises an outer frame, a first drill pipe and a plurality of second drill pipes, a supporting leg is arranged on the lower side of the outer frame, and a screw rod and a mounting plate are arranged in the outer frame , there is a motor on the mounting plate, the motor shaft of the motor is connected with the first gear, the first gear is meshed with the second gear and the teeth on the drum, the interior of the drum is provided with a clamping device, the lower end of the first drill rod A drill bit is fixedly connected, the upper end of the first drill rod and the upper and lower ends of the second drill rod are provided with connecting devices, and the interior of the first drill rod is provided with a sampling device, and the inside of the first drill rod and the second drill rod are provided with connecting devices. There is a control device inside. The device is directly equipped with a sampling device on the drill pipe. When the drill reaches the specified depth, it can be directly sampled, which is not only convenient and fast, but also can well avoid soil sample confusion.

Description

A soil borrowing device for depth-adjustable geotechnical testing

technical field

The utility model relates to the technical field of rock and soil sampling, in particular to a soil borrowing device for rock and soil detection with adjustable depth.

Background technique

Sampling the geotechnical soil and then analyzing the soil samples is a necessary step before various engineering constructions. In the process of sampling, soil layers of different depths have different properties, so it is generally necessary to sample soil layers of different depths when sampling, but the existing sampling devices generally use drill pipes on the ground first. Drill a hole, then take out the drill pipe, and then sample, not only the sampling speed is slow, but also when the drill pipe is pulled out, it is easy to cause the soil from the upper soil layer to fall to the soil layer below, resulting in inaccurate sampling. , in order to solve the above problems, the utility model provides a soil borrowing device for rock and soil detection with adjustable depth.

Utility model content

The purpose of the present utility model is to provide a soil borrowing device for geotechnical detection with adjustable depth, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a soil borrowing device for geotechnical detection with adjustable depth, comprising an outer frame, a first drill pipe and a plurality of second drill pipes, and the lower side of the outer frame is provided with There are legs, the outer frame is connected with a screw rod through a bottom rod fixedly connected to its lower side, and the outer frame is slidably connected to a mounting plate through a plurality of guide rails opened on its inner side wall, and a motor is fixedly connected to the side of the mounting plate. , the motor shaft of the motor penetrates the mounting plate, extends into the inner cavity provided inside the mounting plate, and is fixedly connected with the first gear that is rotatably connected inside the inner cavity, and one side of the first gear meshes with the second gear The other side is engaged with the teeth fixedly connected on the side surface of the rotating drum, the second gear and the rotating drum are both rotatably connected to the interior of the inner cavity, and the second gear and the side wall of the inner cavity are connected with Bearing, the upper end of the drum penetrates the mounting plate and extends to the outside of the mounting plate, the interior of the drum is provided with a clamping device, the lower end of the first drill pipe is fixedly connected with a drill bit, and the upper end of the first drill pipe The upper and lower ends of the second drill pipe are provided with connecting devices, the interior of the first drill pipe is provided with a sampling device, and the interior of the first drill pipe and the interior of the second drill pipe are provided with control devices.

Preferably, the clamping device includes a swivel ring that is rotatably connected in the rotating drum, the inside of the swivel ring is provided with four clamping blocks, the inner side of the clamping blocks is fixedly connected with the insertion rod, and the outer side is fixed A fixed rod is connected, the fixed rod is movably connected with the squeeze groove opened on the inner side wall of the swivel ring, the upper side of the swivel ring is fixedly connected to a fixed cylinder, and the inner side of the fixed cylinder is connected with a clamping plate through a first spring , the card plate is movably connected with the card sleeve fixedly connected to the rotating drum.

Preferably, a limit block is fixedly connected to the lower side of the fixing rod, and a limit groove is opened on the inner side wall of the rotating drum.

Preferably, the connecting device comprises a groove on the upper end surfaces of the first drill pipe and the second drill pipe, and a ring sleeve is fixedly connected to the lower end surface of the second drill pipe.

Preferably, the sampling device includes a dark groove opened inside the first drill pipe, a support plate is connected to the groove wall of the dark groove through a second spring, and the shape of the support plate is L-shaped.

Preferably, a protrusion is fixedly connected to the upper side of the shorter end of the support plate.

Preferably, the control device includes an operation rod disposed inside the first drill rod and the second drill rod, the lower end of the operation rod located inside the first drill rod is fixedly connected with the sampling device, and the upper end penetrates the first drill rod and opens with a A square groove, the bottom of the square groove is fixedly connected with a square rod, the lower end of the operating rod located inside the second drill rod penetrates the second drill rod and is fixedly connected with an insert block, and the lower end face of the insert block has a space for Slot, the upper end of the operating rod located inside the second drill rod has exactly the same structure as the upper end of the operating rod located inside the first drill rod, the outer side of the upper end of the operating rod is fixedly connected with a clamping block, and the inside of the drill rod Corresponding card slot, chute and communication slot.

Compared with the prior art, the beneficial effect of the present utility model is: the utility model realizes that the motor can drive the second gear and The rotating drum rotates, and the rotation of the second gear will drive the mounting plate to slide down under the action of the screw, while the rotating drum will drive the drill pipe to rotate to drill holes. When the drill pipe reaches the specified depth, the control device can The sampling device is turned on, and sampling is performed. After sampling is completed, the sampling device is closed, and then the drill pipe can be taken out. This device is directly equipped with a sampling device on the drill pipe. When drilling to the specified depth, sampling can be performed directly, which is not only convenient and fast. , and can well avoid soil sample confusion.

Description of drawings

Fig. 1 is the overall structure schematic diagram I of the present utility model;

Fig. 2 is the overall structure schematic diagram II of the utility model;

Fig. 3 is the exploded view of the utility model mounting plate and outer frame;

4 is a schematic diagram of the internal structure of the inner cavity of the utility model;

Fig. 5 is the exploded view I of the swivel ring and the rotating drum of the present utility model;

6 is an exploded view II of the swivel ring and the rotating drum of the present invention;

FIG. 7 is an exploded view of the operating rod and the drill rod of the present invention.

In the picture: 1. Outer frame, 2. Outrigger, 3. Guide rail, 4. Mounting plate, 5. Bottom rod, 6. Screw, 7. Operation port, 8. Motor, 9. Inner cavity, 10. First gear , 11, second gear, 12, bearing, 13, drum, 14, swivel, 15, fixed sleeve, 16, circular groove, 17, squeeze groove, 18, clamp block, 19, fixed rod, 20, limit Block, 21, Limit groove, 22, Insert rod, 23, Fixed cylinder, 24, First spring, 25, Clamp plate, 26, Ferrule, 27, First drill pipe, 28, Second drill pipe, 29, Operating lever, 30, Dark groove, 31, Support plate, 32, Second spring, 33, Protrusion, 34, Square groove, 35, Square rod, 36, Insert block, 37, Allowance groove, 38, Clamp block, 39, card groove, 40, chute, 41, connecting groove, 42, groove, 43, ring sleeve, 44, drill bit.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-7 , the present invention provides a technical solution: a soil extraction device for geotechnical detection with adjustable depth, comprising an outer frame 1, a first drill pipe 27 and a plurality of second drill pipes 28, sometimes It is necessary to collect soil samples with a deeper depth. At this time, the length of one drill pipe cannot meet the requirements, so it is necessary to use multiple drill pipes to connect together to collect soil samples at the specified depth. The lower side of the outer frame 1 is provided with There are outriggers 2, the outer frame 1 is connected with a screw 6 through the bottom rod 5 fixedly connected to its lower side, the screw 6 is fixedly connected to the upper side of the bottom rod 5, and the screw 6 is located inside the outer frame 1, and the outer frame 1 There is also an operation port 7 on the side wall, through which the device inside the outer frame 1 can be operated, and the outer frame 1 is slidably connected with a mounting plate 4 through a plurality of guide rails 3 opened on the inner side wall of the outer frame 1. The mounting plate 4 There are corresponding sliders fixedly connected on the upper side, which are respectively slidably connected to the inside of the corresponding guide rails 3 to make the mounting plate 4 slide more stably inside the outer frame 1. The upper side of the mounting plate 4 is fixedly connected with a motor 8, and the motor The motor shaft of 8 penetrates the mounting plate 4, extends into the inner cavity 9 provided inside the mounting plate 4, and is fixedly connected with the first gear 10 rotatably connected inside the inner cavity 9, and one side of the first gear 10 is connected to the first gear 10. The second gear 11 is meshed and connected, and the other side is meshed with the teeth fixedly connected to the side surface of the drum 13. The rotation of the first gear 10 can drive the second gear 11 and the drum 13 to rotate at the same time. The drum 13 is rotatably connected to the interior of the inner cavity 9, and the bearing 12 is connected between the upper and lower sides of the second gear 11 and the upper and lower side walls of the inner cavity 9, and the rotating drum 13 and the cavity bottom of the inner cavity 9 are also connected. Bearing 12 (not shown in the figure), the outer side surface of the bearing 12 is fixedly connected with the side wall of the inner cavity 9, and the inner side surface is respectively fixedly connected with the second gear 11 or the rotating drum 13 in contact with it, the rotating drum 13 The upper end penetrates the mounting plate 4 and extends to the outside of the mounting plate, the second gear 11 is meshed with the screw 6, and the bearing 12 and the mounting plate 4 have no connection with the screw 6. When the second gear 11 rotates, the screw 6 Under the action, the mounting plate 4 will be driven to slide inside the outer frame 1. The setting of the bearing 12 can reduce the friction between the second gear 11 and the mounting plate 4 when the second gear 11 drives the mounting plate 4 to slide up and down, so that the friction between the second gear 11 and the mounting plate 4 can be reduced. The second gear 11 rotates better, the drum 13 is provided with a clamping device inside, the lower end of the first drill rod 27 is fixedly connected with a drill bit 44, and the drum 13 can pass through the clamping device provided inside the drum 13 The first drill rod 27 or the second drill rod 28 is clamped, and when the rotating drum 13 rotates, it will drive the drill rods connected with it to rotate, so as to drill, the upper end of the first drill rod 27 and the The upper and lower ends of the two drill rods 28 are provided with connecting devices. The first drill rod 27 can be connected to the second drill rod 28 through the connecting device on it, and a plurality of second drill rods 28 can be connected end to end. , and the interior of the first drill rod 27 is provided with a sampling device, the interior of the first drill rod 27 and the interior of the second drill rod 28 are provided with control devices, the first The distance between the upper end of the drill rod 27 and the lower end of the drill bit 44 is fixed, the length of the plurality of second drill rods 28 is fixed, and a scale is engraved on the side wall of the outer frame 1 and on the side of the operation port 7 Line (the starting end of the scale line is the 0 scale line is located at the upper end of the outer side of the outer frame 1, and the end is located at the lower end of the outer side of the outer frame 1), according to how many second drill rods 28 are used, a plurality of second drill rods can be calculated. 28, then add the length of the first drill pipe 27 and the drill bit 44, add the reading of the scale line on the outer frame 1, and finally subtract the distance between the drill bit 44 and the sampling device, and then the sampling device can be calculated. Depth, when the sampling device reaches the specified depth, the sampling device can be opened by the control device for sampling.

Specifically, the clamping device includes a swivel 14 rotatably connected to the drum 13 , the clamping device further includes a plurality of squeeze grooves 17 , a plurality of clamping blocks 18 and a fixing rod 19 on the clamping blocks 18 . A fixed sleeve 15 is fixedly connected to the inner side wall of the rotating drum 13, and a corresponding circular groove 16 is opened on the outer surface of the rotating ring 14. The fixed sleeve 15 and the circular groove 16 cooperate with each other to make the rotating ring 14 rotate more stably, so The inside of the swivel ring 14 is provided with four clamping blocks 18, the inner surface of the clamping blocks 18 is fixedly connected with an insert rod 22, and a corresponding slot is opened on the drill rod, so that the clamping block 18 can be clamped more stably. Hold the drill rod, the outer surface is fixedly connected with a fixed rod 19, the fixed rod 19 is movably connected with the squeeze groove 17 opened on the inner side wall of the swivel ring 14, the groove wall of the squeeze groove 17 is an inclined surface, and the rotating ring 14 The squeezing groove 17 squeezes the clamping block 18 through the fixing rod 19, so that the plurality of clamping blocks 18 cooperate with each other to clamp the drill rod. The upper side of the rotating ring 14 is fixedly connected to the fixing cylinder 23, and the inner side of the fixing cylinder 23 is fixed The first spring 24 is connected with a card plate 25, the card plate 25 is movably engaged with the card sleeve 26 fixed on the rotating drum 13, and the first spring 24 can pull the card plate 25 so that the vertical rod at the lower end is always in contact with the card plate 25. The clamping sleeve 26 is clamped, so that the swivel 14 will not rotate at will, and then the clamping block 18 is kept stable. When the clamping block 18 needs to be separated from the drill rod, the clamping plate 25 is pulled to make the vertical rod on the lower side and the clamping block. The sleeve 26 is released from the clamping connection, and then the swivel 14 can be rotated to release the drill rod. Because the diameters of the first drill rod 27 and the second drill rod 28 are the same, the clamping plate 25 is clamped every time the swivel 14 clamps the drill rod. will be just above the ferrule 26 that is moving.

Specifically, the lower side of the fixing rod 19 is fixedly connected to the limiting block 20 , and the inner side wall of the rotating drum 13 has a limiting groove 21 , which can make the clamping block 18 slide more stably.

Specifically, the connecting device includes a groove 42 on the upper end surface of the first drill rod 27 and the second drill rod 28 and a ring sleeve 43 on the lower end surface of the second drill rod 28. The groove wall of the groove 42 is fixedly connected. The upper and the ring sleeve 43 are both provided with threaded holes, the ring sleeve 43 is inserted into the groove 42, and then the bolts are screwed into the threaded holes to complete the assembly between the drill rods.

Specifically, the sampling device includes a dark groove 30 opened inside the first drill pipe 27 , the sampling device further includes a support plate 31 and a second spring 32 , and the groove wall of the dark groove 30 is connected by a second spring 32 There is a support plate 31, the shape of the support plate 31 is L-shaped, and the side wall of the shorter end of the support plate 31 can block the notch of the dark groove 30, so that the soil sample will not be carried into the dark groove 30. When sampling When the device reaches the specified depth, press the tray 31 to make it move downward against the elastic force of the second spring 32. At this time, the tray 31 can make the notch of the dark groove 30 open, and then the drill rod can be rotated again. The soil sample enters the interior of the dark tank 30 to complete the sampling. After the sampling is completed, the support plate 31 is released, and the support plate 31 continues to block the notch of the dark tank 30 under the action of the second spring 32 .

Specifically, a protrusion 33 is fixedly connected to the upper side of the shorter end of the support plate 31 , and the setting of the protrusion 33 can prevent the outer side of the side wall of the shorter end of the support plate 31 from being darkened when the support plate 31 slides down. The soil sample remaining between the grooves of the groove 30 enters the interior of the dark groove 30 and causes the soil sample to be disordered.

Specifically, the control device includes an operation rod 29 disposed inside the first drill rod 27 and the second drill rod 28, and the operation device further includes a clamping block 38, a clamping groove 39, a sliding groove 40 and a communication groove 41, which are located in the first drill rod 27 and the second drill rod 28. The lower end of the operating rod 29 inside a drill rod 27 is fixedly connected with the sampling device, and the upper end penetrates the first drill rod 27 and has a square groove 34. The bottom of the square groove 34 is fixedly connected with a square rod 35, which can hold the square rod 35. The rod 35 operates the operating rod 29, and pressing the operating rod 29 down can make the pallet 31 slide down, and the lower end of the operating rod 29 located inside the second drill rod 28 penetrates the second drill rod 28 and is fixedly connected with a The insertion block 36, and the lower end face of the insertion block 36 is provided with a recess 37. When the second drill rod 28 and the first drill rod 27 are assembled together, the insertion block 36 will be inserted into the interior of the square groove 34, and the square rod 35 It will be inserted into the inside of the abdication slot 37, (the shapes of the insert block 36 and the square slot 34 are adapted to each other, and the shapes of the square rod 35 and the shape of the abdication slot 37 are adapted to each other) At this time, the operating rod inside the second drill rod 28 can be passed 29 to control the operating rod 29 inside the first drill rod 27. The upper end of the operating rod 29 located inside the second drill rod 28 has exactly the same structure as the upper end of the operating rod 29 located inside the first drill rod 27. The connection mode between the rods 28 and the operating rods 29 inside is exactly the same as the connection mode between the second drill rod 28 and the operating rod 29 inside the first drill rod 27. The outer side of the upper end of the operating rod 29 is fixedly connected with a The clamping block 38 has a corresponding clamping groove 39, a sliding groove 40 and a communication groove 41 inside the drill rod. The number of the communication slot 41 and the clamping block 38 is two, and the two clamping blocks 38 are symmetrical with each other, the clamping slot 39 and the chute 40 are communicated through the communication slot 41, and the clamping block 38 is slidably connected to the inside of the chute 40. Press When the lower operating rod 29 moves to the inside of the communication groove 41, the dark groove 30 will be fully opened, and then the operating rod 29 is rotated 90 degrees to release the operating rod 29 under the elastic force of the second spring 32. The supporting plate 31 and the operating rod 29 will move upward, so that the clamping block 38 is connected with the clamping groove 39. At this time, the dark groove 30 will be in an open state, and then the drill pipe will continue to rotate. At this time, the soil sample will enter the interior of the dark groove 30, and then downward Press the operating lever 29 to make the blocking block 38 move to the inside of the communication groove 41 again, then rotate the operating rod 29 by 90 degrees, and then release the operating rod 29. At this time, the blocking block 39 will enter under the elastic force of the second spring 32 The inside of the chute 40, so that the dark slot 30 is closed, and then all the drill rods can be taken out.

Working principle: When using the device, transport the device to the designated place, then put the first drill rod 27 into the interior of the drum 13, and then turn the swivel 14 clockwise to make the clamping block 18 clamp the first drill rod 27 (the first drill rod 27). The spring 24 pulls the clamping plate 25 so that the vertical rod at the lower end is always clamped with the clamping sleeve 26, so that the swivel 14 will not rotate at will, thus maintaining the stability of the clamping block 18), and then the motor 8 can be started to drill holes , when the mounting plate 4 moves to the lowermost end of the guide rail 3, the second drill rod 28 and the first drill rod 27 can be connected together, and then the clamping plate 25 and the clamping sleeve 26 can be disengaged from the clamping connection, and then the swivel ring can be rotated counterclockwise. 14. Make the clamping block 18 release the first drill rod 27, then make the motor 8 rotate in the opposite direction to make the mounting plate 4 rise, and then make the clamping block 18 clamp the second drill rod 28, and then repeat the above steps until the dark groove 30 reaches the specified depth, then press down the operating rod 29 at the uppermost end, and then turn the operating rod 29 to open the dark groove 30. At this time, start the motor 8 again to make the drill rod rotate one to three circles, and then turn the operating rod 29 as described above. The steps are reversed to close the dark slot 30, and finally all the drill rods are taken out to complete the sampling.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides an adjustable ground of degree of depth detects with device that fetches earth, includes frame (1), first drilling rod (27) and a plurality of second drilling rod (28), its characterized in that: the downside of frame (1) is equipped with landing leg (2), and frame (1) is connected with screw rod (6) through some sill bar (5) of its downside fixed connection, and frame (1) opens some guide rail (3) sliding connection that have through its inside wall and has mounting panel (4), side fixed connection has motor (8) on mounting panel (4), the motor shaft of motor (8) runs through mounting panel (4), extends to in the inner chamber (9) that mounting panel (4) inside was equipped with and with rotate and connect first gear (10) fixed connection inside inner chamber (9), one side and the meshing of second gear (11) of first gear (10) are connected, and the opposite side is connected with the tooth meshing of fixed connection on rotary drum (13) side, second gear (11) and rotary drum (13) are all rotated and are connected in the inside of inner chamber (9), the upper end of rotary drum (13) runs through mounting panel (4) and extends to the outside of mounting panel, the inside of rotary drum (13) is equipped with clamping device, the lower extreme fixedly connected with drill bit (44) of first drilling rod (27), and the upper end of first drilling rod (27) and the upper and lower both ends of second drilling rod (28) all are equipped with connecting device, and the inside of first drilling rod (27) is equipped with sampling device, the inside of first drilling rod (27) and the inside of second drilling rod (28) all are equipped with controlling means.

2. The soil sampling device for rock and soil detection with adjustable depth of claim 1, wherein the soil sampling device comprises: the clamping device comprises a rotating ring (14) which is rotatably connected in the rotating cylinder (13), four clamping blocks (18) are arranged inside the rotating ring (14), inserting rods (22) are fixedly connected to the inner side faces of the clamping blocks (18), fixing rods (19) are fixedly connected to the outer side faces, the fixing rods (19) are movably connected with extrusion grooves (17) formed in the inner side walls of the rotating ring (14), a fixing cylinder (23) is fixedly connected to the upper side faces of the rotating ring (14), the inner side faces of the fixing cylinder (23) are connected with clamping plates (25) through first springs (24), and the clamping plates (25) are movably clamped with clamping sleeves (26) fixedly connected to the rotating cylinder (13).

3. The soil sampling device for rock and soil detection with adjustable depth of claim 2, wherein: the downside fixedly connected with stopper (20) of dead lever (19), it has spacing groove (21) to open on the inside wall of rotary drum (13).

4. The soil sampling device for rock and soil detection with adjustable depth of claim 1, wherein the soil sampling device comprises: the connecting device comprises a groove (42) formed on the upper end surfaces of the first drill rod (27) and the second drill rod (28) and a ring sleeve (43) fixedly connected to the lower end surface of the second drill rod (28).

5. The soil sampling device for rock and soil detection with adjustable depth of claim 1, wherein the soil sampling device comprises: the sampling device comprises a hidden groove (30) formed in the first drill rod (27), a supporting plate (31) is connected to the wall of the hidden groove (30) through a second spring (32), and the supporting plate (31) is L-shaped.

6. The soil sampling device for rock and soil detection with adjustable depth of claim 5, wherein: the upper side face of the shorter end of the supporting plate (31) is fixedly connected with a bulge (33).

7. The soil sampling device for rock and soil detection with adjustable depth of claim 1, wherein the soil sampling device comprises: the control device comprises an operating rod (29) arranged inside a first drill rod (27) and a second drill rod (28), the lower end of the operating rod (29) arranged inside the first drill rod (27) is fixedly connected with a sampling device, the upper end of the operating rod penetrates through the first drill rod (27) and is provided with a square groove (34), the bottom of the square groove (34) is fixedly connected with a square rod (35), the lower end of the operating rod (29) arranged inside the second drill rod (28) penetrates through the second drill rod (28) and is fixedly connected with an inserting block (36), the lower end face of the inserting block (36) is provided with a yielding groove (37), the upper end of the operating rod (29) arranged inside the second drill rod (28) is completely identical to the upper end structure of the operating rod (29) arranged inside the first drill rod (27), the outer side of the upper end of the operating rod (29) is fixedly connected with a clamping block (38), and the inside of the drill rod is provided with a clamping groove (39) corresponding to the operating rod, A chute (40) and a communication groove (41).

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