CN211401725U - Geotechnical engineering stone sampling device convenient to control depth - Google Patents

Abstract

The utility model discloses a rock sampling device for geotechnical engineering convenient to controlled depth, including support, first round bar and lead screw, the upper end intermediate position of support is through top pivot and disc interconnect, first round bar and the equal through connection of second round bar are at the lower surface of disc, the lead screw sets up the inside in the upper portion screw hole, the lower surface mounting of base has the universal wheel, and the inside bilateral symmetry of the upper surface of base reserves the lower part screw hole, the inside of sampling head is fixed with inside motor, the inside both sides through connection of lower extreme of sampling head has the drilling rod, and the side of drilling rod is through the one end interconnect of lower part pivot and connecting rod, the outside bilateral symmetry of horizontal pivot is fixed with the control block. This rock sampling device for geotechnical engineering convenient to control degree of depth adopts neotype structural design for this device is convenient for control the degree of depth of sample, and can extract comparatively complete stone, and the later stage of being convenient for detects.

Description

A rock sampling device for geotechnical engineering that is easy to control depth

technical field

The utility model relates to the technical field of geotechnical engineering, in particular to a rock sampling device for geotechnical engineering which is convenient for depth control.

Background technique

Geotechnical engineering refers to a kind of project engineering in which construction is carried out on the surface or inside of rock and soil. The geological structure of rock and soil is relatively complex. In order to facilitate the sampling study of the stones, a stone sampler is usually used for sampling.

With the continuous use of the stone sampling device, the following problems were found during use:

1. Some existing stone sampling devices are inconvenient to control the depth of sampling according to the needs of detection, so that the reference nature of the detection results is limited.

2. And some existing stone sampling devices extract stone samples through drilling holes, and the extracted samples are relatively scattered, which is not convenient for later detection of stone hardness and other aspects.

Therefore, it is necessary to design a rock sampling device for geotechnical engineering that is easy to control the depth in view of the above problems.

Utility model content

The purpose of this utility model is to provide a rock sampling device for geotechnical engineering that is convenient for depth control, so as to solve the problem that some existing rock sampling devices proposed in the above-mentioned background technology are inconvenient to control the sampling depth and inconvenient to extract relatively complete Problems with rock samples.

In order to achieve the above purpose, the utility model provides the following technical scheme: a rock sampling device for geotechnical engineering that is convenient to control the depth, including a bracket, a first round rod and a screw rod, and the middle position of the upper end of the bracket is connected with the top rotating shaft through the top rotating shaft. The discs are connected to each other, and an external motor is fixed inside the disc, and the lower end of the external motor is rotatably connected with an intermediate rotating shaft, and a driving gear is welded on the lower surface of the intermediate rotating shaft, and the first round rod and the second round rod pass through. Connected to the lower surface of the disc, and the upper ends of the first round rod and the second round rod are connected to each other with the driven gear through the built-in rod, and the lower ends of the first round rod and the second round rod are provided with upper threads. The screw rod is arranged inside the upper threaded hole, and a drill bit and a sampling head are installed on the lower end of the screw rod, and the screw rod is connected through the upper surface of the base, and a universal wheel is installed on the lower surface of the base, and There are lower threaded holes symmetrically reserved on both sides of the upper surface of the base, an internal motor is fixed inside the sampling head, and the lower end of the internal motor is connected with the lower gear through an internal rotating shaft, and the interior of the sampling head is rotatably connected with a transverse rotating shaft At the same time, a side gear is welded to the outside of the lateral rotating shaft, and a drill rod is connected through the inner two sides of the lower end of the sampling head, and the side surface of the drill rod is connected to one end of the connecting rod through the lower rotating shaft, and the other end of the connecting rod passes through The upper rotating shaft and the push rod are connected to each other, and control blocks are symmetrically fixed on the outer two sides of the lateral rotating shaft.

Preferably, the disk is rotatably connected to the bracket through the top rotating shaft, and the disk, the first round rod and the second round rod form a rotating structure, and the first round rod and the second round rod are connected to the driven rod through the built-in rod. The gears form a telescopic structure, and the driven gear is meshed with the driving gear at the same time.

Preferably, the screw rod forms a telescopic structure with the first round rod and the second round rod through the upper threaded hole, and the screw rod is threadedly connected to the base through the lower threaded hole.

Preferably, both the drill bit and the sampling head are fixedly connected with the screw rod, and the outer diameter of the drill bit is equal to the outer diameter of the sampling head.

Preferably, the lateral rotating shaft, the side gear and the control block are integrated structures, and the side gear is meshed with the lower gear.

Preferably, the drill rod is slidably connected with the sampling head, and the drill rod is in an inverted "7" shape.

Preferably, one end of the connecting rod is rotatably connected to the drill rod through the lower rotating shaft, and the other end of the connecting rod forms a rotating structure with the push rod through the upper rotating shaft, and the push rod and the sampling head form a sliding structure.

Preferably, the push rod is slidably connected with the control block, and the control block has a water drop-shaped structure.

Compared with the prior art, the beneficial effect of the utility model is that the rock sampling device for geotechnical engineering, which is easy to control the depth, adopts a novel structural design, so that the device can conveniently extract stones of different depths according to the detection needs. samples, and the stone samples extracted by the device are relatively complete;

1. The driving gear and driven gear set in meshing connection, as well as the lead screw set by the rotating telescopic structure, can control the rotation of the lead screw to drive the drill bit to the corresponding depth of the rock and soil layer through the meshing transmission between the gears according to the detection requirements. position, which is convenient for extracting rock samples at different depths;

2. The connecting rod set in the rotating structure and the drill rod set in the sliding structure can rotate the sampling head downward to place the rock sample in it, and then the rotation of the connecting rod is controlled by the internal motor, and the connecting rod pushes the drill rod to move inwards. Divide the stones inside the sampling head to extract relatively complete stones, which are convenient for later detection.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of the utility model;

FIG. 2 is a schematic view of the front cross-sectional structure of the sampling head of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure at place A in Fig. 2 of the utility model;

FIG. 4 is a partial cross-sectional structural schematic diagram of the side surface of the sampling head of the present invention.

In the picture: 1. Bracket; 2. Top shaft; 3. Disc; 4. External motor; 5. Intermediate shaft; 6. Driving gear; 7. First round rod; 8. Second round rod; 9. Built-in rod ;10, driven gear; 11, upper threaded hole; 12, lead screw; 13, drill bit; 14, sampling head; 15, base; 16, universal wheel; 17, lower threaded hole; 18, internal motor; 19, Internal shaft; 20, lower gear; 21, horizontal shaft; 22, side gear; 23, drill pipe; 24, lower shaft; 25, connecting rod; 26, upper shaft; 27, push rod; 28, control block.

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.

1-4, the present utility model provides a technical solution: a rock sampling device for geotechnical engineering that is convenient for depth control, comprising a bracket 1, a top rotating shaft 2, a disc 3, an external motor 4, and an intermediate rotating shaft 5 , driving gear 6, first round rod 7, second round rod 8, built-in rod 9, driven gear 10, upper threaded hole 11, screw rod 12, drill bit 13, sampling head 14, base 15, universal wheel 16, The lower threaded hole 17, the inner motor 18, the inner shaft 19, the lower gear 20, the lateral shaft 21, the side gear 22, the drill rod 23, the lower shaft 24, the connecting rod 25, the upper shaft 26, the push rod 27 and the control block 28, The middle position of the upper end of the bracket 1 is connected with the disc 3 through the top rotating shaft 2, and the interior of the disc 3 is fixed with an external motor 4, and the lower end of the external motor 4 is rotatably connected with an intermediate rotating shaft 5, and the lower surface of the intermediate rotating shaft 5 is welded. There is a driving gear 6, the first round rod 7 and the second round rod 8 are all connected to the lower surface of the disk 3, and the upper ends of the first round rod 7 and the second round rod 8 pass through the built-in rod 9 and the driven. The gears 10 are connected to each other, and the lower ends of the first round rod 7 and the second round rod 8 are provided with upper threaded holes 11, the screw rod 12 is arranged inside the upper threaded hole 11, and the lower end of the screw rod 12 is installed with a drill bit 13 and the sampling head 14, and the screw rod 12 is connected through the upper surface of the base 15, the universal wheel 16 is installed on the lower surface of the base 15, and the lower threaded holes 17 are reserved symmetrically on both sides of the upper surface of the base 15, and the sampling head 14 is fixed with an internal motor 18, and the lower end of the internal motor 18 is connected with the lower gear 20 through the internal rotating shaft 19, and the interior of the sampling head 14 is rotatably connected with a lateral rotating shaft 21, and the outside of the lateral rotating shaft 21 is welded with side gears 22, the inner two sides of the lower end of the sampling head 14 are connected with a drill rod 23, and the side surface of the drill rod 23 is connected with one end of the connecting rod 25 through the lower rotating shaft 24, and the other end of the connecting rod 25 is connected with the push rod through the upper rotating shaft 26. 27 are connected to each other, and control blocks 28 are fixed symmetrically on both sides of the outer side of the lateral rotating shaft 21 .

In this example, the disk 3 is rotatably connected to the bracket 1 through the top rotating shaft 2, and the disk 3, the first round rod 7 and the second round rod 8 form a rotating structure, and the first round rod 7 and the second round rod 8 are both The built-in rod 9 and the driven gear 10 form a telescopic structure, while the driven gear 10 is meshed with the driving gear 6, and the above-mentioned structural design is convenient to control the rotation of the first round rod 7 and the second round rod 8 respectively;

The screw rod 12 forms a telescopic structure with the first round rod 7 and the second round rod 8 through the upper threaded hole 11, and the screw rod 12 is threadedly connected to the base 15 through the lower threaded hole 17, and the screw rod 12 rotates to push the drill bit 13 and the sampling head 14. turn down;

Both the drill bit 13 and the sampling head 14 are fixedly connected with the screw rod 12, and the outer diameter of the drill bit 13 is equal to the outer diameter of the sampling head 14, and the drill bit 13 can open a sampling hole of a suitable depth according to the detection requirements;

The lateral rotating shaft 21, the side gear 22 and the control block 28 are integrated structures, and the side gear 22 is meshed with the lower gear 20. The arrangement of this structure is convenient for driving the control block 28 to rotate through the internal motor 18;

The drill pipe 23 is slidably connected with the sampling head 14, and the drill pipe 23 is in an inverted "7" shape. During the slide of the drill pipe 23 to the side, the sampled stones are cut;

One end of the connecting rod 25 is rotatably connected with the drill rod 23 through the lower rotating shaft 24, and the other end of the connecting rod 25 forms a rotating structure with the push rod 27 through the upper rotating shaft 26, and the push rod 27 and the sampling head 14 form a sliding structure, and the connecting rod 25 Rotate and push the drill pipe 23 to move;

The push rod 27 is slidably connected with the control block 28 , and the control block 28 has a water drop-shaped structure. The arrangement of the structure is convenient for controlling the push rod 27 to move up and down.

Working principle: When using this device, firstly move the device to the geotechnical sampling site according to the structure shown in Figure 1, place the drill bit 13 directly above the sampling layer, and loosen the external The threaded rod is adjusted by the built-in rod 9 from the driven gear 10 to the corresponding position on the side of the driving gear 6, and the threaded rod is rotated in the opposite direction to fix it, and then the external motor 4 is started, and the external motor 4 drives the intermediate shaft 5 and the driving gear 6 to rotate. The driving gear 6 is meshed with the driven gear 10, thereby driving the driven gear 10 and the second round rod 8 to rotate, and the screw rod 12 rotates simultaneously through the upper threaded hole 11 and the lower threaded hole 17, and pushes the drill bit 13 to rotate. During the downward movement, the drill bit 13 gradually enters the interior of the rock and soil layer, pushes the drill bit 13 to a suitable depth position according to the detected depth requirement, and then controls the intermediate shaft 5 to rotate in the reverse direction through the external motor 4 (The external motor 4 is a common servo motor on the market), through the meshing transmission between the gears, the screw rod 12 and the drill bit 13 are driven to rotate and move upward in the opposite direction, and when the drill bit 13 is moved to the upper end of the geotechnical layer, stop running the external The motor 4 then loosens the locked universal wheel 16, and rotates the base 15 through the universal wheel 16, so that the second round rod 8 is placed on the upper end of the opened rock and soil layer hole, and the disc 3 is rotated through the top rotating shaft 2. After adjustment , lock the universal wheel 16;

Then, according to the structure shown in Figure 1, Figure 2, Figure 3 and Figure 4, loosen the threaded rod outside the first round rod 7 and the second round rod 8, move the position of the driven gear 10 through the built-in rod 9, The driven gear 10 on the upper end of the first round rod 7 is moved to the side of the driving gear 6, the driven gear 10 on the upper end of the second round rod 8 is moved to the upper end of the driving gear 6, and the threaded rod is rotated in the opposite direction for fixing, and the external motor is operated. 4. Drive the intermediate rotating shaft 5 and the driving gear 6 to rotate, and the driving gear 6 and the driven gear 10 are meshed and connected, thereby driving the first round rod 7 and the screw rod 12 to rotate, and the screw rod 12 pushes the sampling head 14 to rotate to the rock and soil layer. Inside the hole, when the lower end of the sampling head 14 is located at the lowest position of the hole and continues to rotate downward, the stone part of this depth enters the interior of the sampling head 14, and when the stone enters a certain depth inside the sampling head 14, the remote Control the operation of the internal motor 18, the internal motor 18 drives the internal shaft 19 and the lower gear 20 to rotate, the lower gear 20 is meshed with the side gear 22, and drives the side gear 22, the lateral shaft 21 and the control block 28 to rotate, the control block 28 It has a water drop-shaped structure. During the rotation, the push rod 27 is driven to move upward. During the upward movement of the push rod 27, the two ends of the connecting rod 25 rotate through the upper rotating shaft 26 and the lower rotating shaft 24 respectively, and push the drill rod 23 to move to the side. , in the process of moving the drill pipe 23 to the side, the stones that rotate into the sampling head 14 are divided, until the drill pipe 23 completely divides the stones, stop the operation of the internal motor 18, and control the intermediate rotating shaft 5 through the external motor 4 to reverse Rotate the sampling head 14 from loosening to taking out, and then control the operation of the internal motor 18 to control the movement of the drill pipe 23 to the outside, so that the stones inside the sampling head 14 fall down. detection.

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 (8)

1. The utility model provides a rock sampling device for geotechnical engineering convenient to control degree of depth, includes support (1), first round bar (7) and lead screw (12), its characterized in that: the middle position of the upper end of the support (1) is connected with the disc (3) through the top rotating shaft (2), an external motor (4) is fixed inside the disc (3), the lower end of the external motor (4) is rotatably connected with the middle rotating shaft (5), meanwhile, a driving gear (6) is welded on the lower surface of the middle rotating shaft (5), the first round rod (7) and the second round rod (8) are connected to the lower surface of the disc (3) in a penetrating mode, the inner parts of the upper ends of the first round rod (7) and the second round rod (8) are connected with the driven gear (10) through the built-in rod (9), upper threaded holes (11) are formed in the inner parts of the lower ends of the first round rod (7) and the second round rod (8), the screw rod (12) is arranged inside the upper threaded holes (11), and a drill bit (13) and a sampling head (14) are installed at the lower end of the screw rod (12), and the screw rod (12) is connected with the upper surface of the base (15) in a penetrating way, the lower surface of the base (15) is provided with a universal wheel (16), lower threaded holes (17) are reserved on the inner two sides of the upper surface of the base (15) in a symmetrical way, an internal motor (18) is fixed inside the sampling head (14), the lower end of the internal motor (18) is connected with a lower gear (20) through an internal rotating shaft (19), the internal rotation of the sampling head (14) is connected with a transverse rotating shaft (21), a side gear (22) is welded outside the transverse rotating shaft (21), the inner two sides of the lower end of the sampling head (14) are connected with a drill rod (23) in a penetrating way, the side surface of the drill rod (23) is connected with one end of a connecting rod (25) through a lower rotating shaft (24), and the other end of the connecting rod (25) is connected with a push rod (, control blocks (28) are symmetrically fixed on two outer sides of the transverse rotating shaft (21).

2. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: disc (3) are connected through top pivot (2) and support (1) rotation, and disc (3) all constitute revolution mechanic with first round bar (7) and second round bar (8) to first round bar (7) and second round bar (8) all constitute extending structure through built-in pole (9) and driven gear (10), and driven gear (10) are connected with driving gear (6) meshing simultaneously.

3. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: the screw rod (12) forms a telescopic structure with the first round rod (7) and the second round rod (8) through an upper threaded hole (11), and the screw rod (12) is in threaded connection with the base (15) through a lower threaded hole (17).

4. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: the drill bit (13) and the sampling head (14) are fixedly connected with the screw rod (12), and the outer diameter of the drill bit (13) is equal to that of the sampling head (14).

5. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: the transverse rotating shaft (21), the side gear (22) and the control block (28) are of an integrated structure, and the side gear (22) is meshed with the lower gear (20).

6. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: the drill rod (23) is connected with the sampling head (14) in a sliding mode, and the drill rod (23) is of an inverted '7' -shaped structure.

7. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: one end of the connecting rod (25) is rotatably connected with the drill rod (23) through a lower rotating shaft (24), the other end of the connecting rod (25) forms a rotating structure with the push rod (27) through an upper rotating shaft (26), and the push rod (27) and the sampling head (14) form a sliding structure.

8. The rock sampling device for geotechnical engineering convenient to control depth of claim 1, characterized in that: the push rod (27) is connected with the control block (28) in a sliding mode, and the control block (28) is of a water drop-shaped structure.

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