Sampling device for land engineering survey

Abstract

The invention relates to the field of survey sampling, and discloses a sampling device for land engineering survey, which comprises a survey mechanism, the survey mechanism comprises a driving assembly and a sampling assembly, and the driving assembly enables a drill rod to rotate forwards and backwards and move longitudinally to take out a soil sample; the surveying mechanism is connected with the supporting mechanism through a first connecting piece, and the supporting mechanism is used for keeping balance when the surveying mechanism samples. The exploration mechanism and the supporting mechanism are arranged in a detachable mode, convenience can be improved, falling caused by too large self weight is avoided, the sampling mode of the exploration mechanism is different from a traditional mode of direct rotation deep sampling, the drilling rod can rotate forwards in the deep direction and rotate backwards in the lifting process, and the drilling efficiency is improved. According to the invention, mud stains on the surface of the drill rod can be reduced, the influence on next sampling is avoided, the supporting legs in the supporting mechanism can be clamped at any position in the circumferential direction, and the four supporting legs can be properly adjusted for different terrains, so that the application range is widened.

Description

Technical Field

[0001] The invention relates to the field of surveying and sampling, and in particular to a sampling device for land engineering surveying. Background Art

[0002] Soil sampling has become an important detection method and link in the fields of modern agriculture, geology, water conservancy and environmental protection. Soil sampling tools are used to perform acute sampling of natural soil. Soil auger is a sampling tool used to lift the lower soil as a sample to understand its properties. However, the existing soil auger requires a single person to hold the soil auger for soil sampling, which has the following problems: 1. It is time-consuming and labor-intensive. Relying on manpower cannot guarantee the concentricity of the drill bit during the process of drilling deeper, and the sampling error is large.

[0003] 2. Faced with the problem of uneven ground, it is difficult to obtain suitable samples by manual operation. Traditional automated sampling equipment is often supported on the ground by supporting legs, but the supporting legs of most equipment only have telescopic or bending functions. It is difficult to maintain balance in locations with high slopes, resulting in the inability to take samples. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a sampling device for land engineering survey with support legs capable of arbitrarily adjusting positions to replace manual labor, and to achieve accurate sampling in the face of complex terrain.

[0005] The sampling device for land engineering survey of the present invention comprises a survey mechanism, which comprises a driving component and a sampling component, wherein the sampling component comprises a drill rod, a drill bit and a sampling box, wherein the driving component is drivingly connected to one end of the drill rod, and the other end of the drill rod is fixedly connected to the drill bit, and a sampling box is placed in the drill rod, and the driving component causes the drill rod to rotate forward and reverse and move longitudinally to take out soil samples; The survey mechanism is connected to the support mechanism through a first connecting member, and the support mechanism is used to maintain balance when the survey mechanism is sampling. The support mechanism includes a support leg, a second connecting member, and a support plate. Four support legs are provided, and the support legs can be bent. The support legs are fixed to the second connecting member, and the second connecting member is clamped at any position on the support plate; The second connecting member includes two symmetrically arranged pressure plates, which are respectively fixedly connected to the side walls of the long box, and the long box is fixedly connected to the support legs. The long box is arranged in an annular guide hole opened in the support disk, and the pressure plate is slidably connected to the support disk. A clamping assembly is arranged in the long box, and the clamping assembly enables the long box to be clamped at any position on the support disk. The clamping assembly includes a push plate, a first extrusion plate and a second extrusion plate, and the push plate drives the first extrusion plate and the second extrusion plate to press against the inner walls on both sides of the annular guide hole.

[0006] The sampling device for land engineering survey of the present invention, wherein the clamping assembly also includes a first rack, the first rack is fixedly connected to the push plate, the first rack is slidably connected to the inner wall of the long box, the first rack is meshed with the first gear, the first gear is coaxially fixed with the first rotating shaft, the first rotating shaft bearing is connected to the long box, one end of the reset spring is mounted on the first rotating shaft, and the other end of the reset spring is fixed to the long box, the first gear is respectively meshed with the second rack and the third rack, the second rack and the third rack move along the first guide hole and the second guide hole respectively, the first guide hole and the second guide hole are respectively opened on the inner wall of the long box, and the second rack and the third rack are respectively fixedly connected to the first extrusion plate and the second extrusion plate.

[0007] The sampling device for land engineering survey of the present invention, wherein the support plate comprises an outer ring and an inner plate, and the annular guide hole is between the outer ring and the inner plate.

[0008] The sampling device for land engineering survey of the present invention, wherein the support leg is divided into two sections, the two sections are fixedly connected by bolts, and the bottom of the support leg is bolted to the support plate.

[0009] The sampling device for land engineering survey of the present invention, wherein the driving component includes a driving source, the output end of the driving source is drivingly connected to the first slider, the first slider is slidably connected to the second guide rail, the second guide rail is fixedly connected to the frame, the first slider is connected to a bearing at one end of the second rotating shaft, the other end of the second rotating shaft is fixed to the drill rod, the second rotating shaft is coaxially fixed to the fourth gear, the fourth gear is meshed with the fourth rack, the fourth rack is vertically arranged and slidably connected to the first slider, the first slider is fixed to the guide sleeve, the guide sleeve is sleeved on the guide rod and moves along it, and the guide rod is fixed to the frame.

[0010] The sampling device for land engineering survey of the present invention is characterized in that the guide rod is arranged obliquely.

[0011] The sampling device for land engineering survey of the present invention, wherein the guide rod is fixed with a special-shaped handle, the special-shaped handle comprises a first section and a second section, the first section is semicircular, and the second section is right-angled.

[0012] The sampling device for land engineering survey of the present invention comprises two telescopic rods vertically fixed on the second guide rail.

[0013] The sampling device for land engineering survey of the present invention, wherein the first connecting member comprises a connecting plate, the connecting plate is connected to the drill rod bearing, the connecting plate is bolted in a connecting hole, and the connecting hole is opened on the inner disk.

[0014] The sampling device for land engineering survey of the present invention, wherein the drill rod is cylindrical and hollow inside, and the drill rod is provided with a concave hole consistent with the contour of the sampling box.

[0015] The sampling device for land engineering survey of the present invention is different from the prior art in that: 1. The sampling device for land engineering survey of the present invention can improve convenience and reduce the volume of the survey mechanism by arranging the survey mechanism and the support mechanism in a detachable manner, thereby avoiding falling due to excessive deadweight. Furthermore, the sampling method of the survey mechanism is different from the traditional direct rotation sampling. The present invention can reduce mud stains on the surface of the drill rod by enabling the drill rod to rotate forward when going deep and reverse when lifting, thereby avoiding affecting the next sampling. Moreover, the support legs in the support mechanism of the present invention can be clamped at any circumferential position, and the four support legs can be appropriately adjusted in the face of different terrains, thereby improving the scope of application.

[0016] 2. The special-shaped handle of the present invention enables the present invention to be grasped by human hands in both vertical and horizontal states, and can be conveniently carried when moving.

[0017] 3. After the drill is laid down as a whole, the length of the telescopic rod and the angle and length of the supporting legs can be adjusted to make the drill rod horizontal, so that sampling can be carried out horizontally when facing a steep slope.

[0018] The sampling device for land engineering survey of the present invention will be further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of a sampling device for land engineering survey; Figure 2 yes Figure 1 A side view of the sampling device for land engineering survey shown; Figure 3 yes Figure 1 axonometric drawing; Figure 4 yes Figure 3 Schematic diagram of the structure; Figure 5 is a schematic structural diagram of a second connecting member; Figure 6 yes Figure 5 axonometric drawing; Figure 7 yes Figure 4 A partial enlarged view of Figure 8 yes Figure 1 Structural deformation diagram of Fig. 9 yes Figure 8 Schematic diagram of the changes.

[0020] In the figure: Survey mechanism 1, telescopic rod 8, sampling assembly 11, drill rod 101, drill bit 102, sampling box 103, recessed hole 110; A first connecting member 2, a connecting plate 80, and a connecting hole 81; Support mechanism 3, support leg 31, second connecting member 32, support plate 33, pressing plate 301, long box 302, annular guide hole 303, outer ring 3001, inner plate 3002, support plate 3003; The clamping assembly 4, the push plate 41, the first extrusion plate 42, the second extrusion plate 43, the first rack 401, the first gear 402, the first rotating shaft 403, the second rack 404, the third rack 405, the first guide hole 406, the second guide hole 407, the auxiliary plate 408, and the return spring 410; Driving assembly 10, driving source 90, first slider 91, second guide rail 92, frame 93, second rotating shaft 94, fourth gear 95, fourth rack 96, guide sleeve 97, guide rod 98; Special-shaped handle 7, first section 71, second section 72. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1 to Figure 9 The present invention provides four technical solutions, which specifically include the following embodiments: Embodiment 1: The sampling device for land engineering survey comprises a survey mechanism 1, which comprises a driving assembly 10 and a sampling assembly 11, wherein the sampling assembly 11 comprises a drill rod 101, a drill bit 102 and a sampling box 103, wherein the driving assembly 10 is drivingly connected to one end of the drill rod 101, and the other end of the drill rod 101 is fixedly connected to the drill bit 102, and a sampling box 103 is placed in the drill rod 101, and the driving assembly 10 causes the drill rod 101 to rotate forward and reverse and move longitudinally to take out soil samples; The survey mechanism 1 is connected to the support mechanism 3 through the first connection member 2. The support mechanism 3 is used to keep the survey mechanism 1 balanced when sampling. The support mechanism 3 includes a support leg 31, a second connection member 32 and a support plate 33. Four support legs 31 are provided. The support legs 31 can be bent. The support legs 31 are fixed to the second connection member 32. The second connection member 32 is clamped at any position on the support plate 33. The second connecting member 32 includes two symmetrically arranged pressure plates 301, and the two pressure plates 301 are respectively fixedly connected to the side walls of the long box 302. The long box 302 is fixedly connected to the supporting legs 31. The pressure plate 301 is vertically arranged to the long box 302. The interior of the long box 302 is hollow. The long box 302 is arranged in an annular guide hole 303 opened in the supporting disk 33. The pressure plate 301 is slidably connected to the supporting disk 33. A clamping assembly 4 is arranged in the long box 302. The clamping assembly 4 enables the long box 302 to be clamped at any position on the supporting disk 33. The clamping assembly 4 includes a push plate 41, a first extrusion plate 42 and a second extrusion plate 43. The push plate 41 drives the first extrusion plate 42 and the second extrusion plate 43 to press against the inner walls on both sides of the annular guide hole 303.

[0023] During operation, the survey mechanism 1 and the support mechanism 3 are connected, a suitable survey and sampling position is selected, the support leg 31 is opened, and the push plate 41 is pushed so that the first squeezing plate 42 and the second squeezing plate 43 do not abut against the inner walls on both sides of the annular guide hole 303, so that the second connecting member 32 can slide, so that each support leg 31 is adjusted to a suitable position, and the push plate 41 is loosened so that the first squeezing plate 42 and the second squeezing plate 43 abut against the inner walls on both sides of the annular guide hole 303 and clamp, so that the support leg 31 no longer moves, ensuring that the survey mechanism 1 is in a horizontal state, and starting the driving assembly 10, so that the drill rod 101 rotates forward to a certain depth to take samples, and after the sampling is completed, the drill rod 101 rotates in the reverse direction to lift and reset.

[0024] The present invention can improve convenience and reduce the volume of the survey mechanism 1 by arranging the survey mechanism 1 and the support mechanism 3 in a detachable manner to avoid falling due to excessive weight. Furthermore, the sampling method of the survey mechanism 1 is different from the traditional direct rotation sampling. The present invention can reduce mud stains on the surface of the drill rod 101 and avoid affecting the next sampling by enabling the drill rod 101 to rotate forward when going deep and reverse when lifting. Moreover, the support legs 31 in the support mechanism 3 of the present invention can be clamped at any circumferential position, and the four support legs 31 can be appropriately adjusted in the face of different terrains, thereby improving the scope of application.

[0025] Among them, refer to Figure 5 The two groups of pressing plates 301 are symmetrically arranged about the center of the long box 302 , and the symmetrical pressing plates 301 are slidably connected to the bottom surface of the supporting plate 33 .

[0026] The present invention ensures that the second connecting member 32 does not fall off and can be installed on the supporting plate 33 .

[0027] Among them, refer to Figure 4The drill rod 101 is cylindrical and hollow inside. The drill rod 101 is provided with a concave hole 110 having the same contour as the sampling box 103. The sampling box 103 is also cylindrical and hollowed out inside to form a groove for storing soil samples.

[0028] The present invention enables the sampling box 103 to be placed into the drill rod 101, and when the drill rod 101 goes deep into the soil, the rotating sampling box 103 allows the soil to enter therein.

[0029] The drill rod 101 has a fixed limit spring inside, and the sampling box 103 is placed inside the drill rod 101. The limit spring is pressed against the top of the sampling box 103 to provide a clamping force, thereby ensuring that the sampling box 103 remains stable during sampling and is easy to take and put.

[0030] The support leg 31 is divided into two sections, which are fixedly connected by bolts, and the bottom of the support leg 31 is bolted to the support plate 3003 .

[0031] The present invention can change the angles of the support legs 31 and the support plate 3003 through bolt connection to adapt to the slope and undulation of the ground.

[0032] Among them, refer to Figure 6 An auxiliary plate 408 is fixed on the long box 302. The present invention enables a person's fingers to lean against the auxiliary plate 408 for leverage when pushing the push plate 41 to move, thereby facilitating positioning and improving the efficiency of the long box 302 when moving.

[0033] Among them, refer to Figure 7 The support plate 33 includes an outer ring 3001 and an inner plate 3002 , and the annular guide hole 303 is between the outer ring 3001 and the inner plate 3002 .

[0034] Among them, refer to Figure 4 The first connecting member 2 includes a connecting plate 80, and the connecting plate 80 is connected to the bearing of the drill pipe 101. The connecting plate 80 is bolted in a connecting hole 81, and the connecting hole 81 is opened on the inner disk 3002.

[0035] The present invention enables the survey mechanism 1 and the support mechanism 3 to be detachably connected, which is convenient for carrying.

[0036] Embodiment 2: Based on Example 1, refer to Figure 5~Figure 7The clamping assembly 4 also includes a first rack 401, which is fixedly connected to the push plate 41, and the first rack 401 is slidably connected to the inner wall of the long box 302. The first rack 401 is meshed with a first gear 402, and the first gear 402 is coaxially fixed with a first rotating shaft 403. The first rotating shaft 403 is bearing-connected to the long box 302, and one end of a return spring 410 is mounted on the first rotating shaft 403, and the other end of the return spring 410 is fixed to the long box 302. The first gear 402 is meshed with a second rack 404 and a third rack 405 respectively, and the second rack 404 and the third rack 405 move along the first guide hole 406 and the second guide hole 407 respectively. The first guide hole 406 and the second guide hole 407 are respectively opened on the inner wall of the long box 302, and the second rack 404 and the third rack 405 are respectively fixedly connected to the first extrusion plate 42 and the second extrusion plate 43. During operation, when it is necessary to move the supporting leg 31, first use the second connecting member 32 to push the push plate 41 inward, so that the first rack 401 drives the first gear 402 to rotate clockwise, so that the first gear 402 drives the second rack 404 and the third rack 405 to move close to the long box 302, so that the second rack 404 and the third rack 405 are retracted, driving the first extrusion plate 42 and the second extrusion plate 43 to retract and no longer abut against the surface of the outer ring 3001 and the inner disk 3002, so that the second connecting member 32 can slide, so that the supporting leg 31 can move and be supported at any position on the ground. After adjusting to the appropriate position, release the push plate 41, and the reset spring 410 pulls the first rotating shaft 403 to reset and rotate in the opposite direction. The push plate 41 is reset, and the first extrusion plate 42 and the second extrusion plate 43 abut against the surface of the outer ring 3001 and the inner disk 3002, realizing the self-locking connection.

[0037] The present invention provides a snap-on assembly 4 so that the support leg 31 can be adjusted to any circumferential position of the support plate 33 and can self-lock after adjustment, making the adjustment convenient, thereby enabling the present invention to be applicable to different terrains and to obtain accurate samples.

[0038] Embodiment three: Based on the first and second embodiments, refer to Figure 1~Figure 3The driving assembly 10 includes a driving source 90, the output end of which is drivingly connected to a first slider 91, the first slider 91 is slidably connected to a second guide rail 92, the second guide rail 92 is fixedly connected to a frame 93, the first slider 91 is bearing-connected to one end of a second rotating shaft 94, the other end of the second rotating shaft 94 is fixed to the drill rod 101, the second rotating shaft 94 is coaxially fixed to a fourth gear 95, the fourth gear 95 is meshed with a fourth rack 96, the fourth rack 96 is vertically arranged and slidably connected to the first slider 91, the first slider 91 is fixed to a guide sleeve 97, the guide sleeve 97 is sleeved on a guide rod 98 and moves along it, and the guide rod 98 is fixed to the frame 93.

[0039] During operation, the driving source 90 can be a cylinder assembly, an oil cylinder assembly or a linear motor, which drives the first slider 91 to move downward, causing the drill rod 101 to move downward, and at the same time, the guide sleeve 97 on the fourth rack 96 moves to the lower left along the inclined guide rod 98, driving the fourth rack 96 to move laterally, thereby causing the fourth gear 95 to rotate, driving the drill rod 101 to move downward and rotate at the same time, and when the drill rod 101 moves upward, the rotation direction is opposite to that when it descended before.

[0040] The present invention uses a driving assembly 10 to rotate the drill rod 101 to take samples at a depth, thereby replacing human power to provide downward pressure to push the drill rod 101 into the soil, and the drill rod 101 has two rotation directions. Through friction with the soil layer, mud stains adhered to the drill rod 101 are removed, thereby improving the reuse rate of the drill rod 101.

[0041] The power module of the driving source 90 includes a battery, an electric control module, and a wireless communication module, and the wireless communication module is wirelessly connected to the user terminal.

[0042] The present invention allows the user to directly control the driving source 90 through the wireless communication module, thereby adjusting the sampling frequency and the sampling process.

[0043] Among them, Figure 2 As shown, the guide rod 98 is arranged obliquely from the lower left to the upper right.

[0044] The present invention enables the fourth rack 96 to move laterally, thereby causing the drill rod 101 to produce two opposite rotations.

[0045] Embodiment 4: Based on Example 3, refer to Figure 2 The guide rod 98 is fixed with a special-shaped handle 7, and the special-shaped handle 7 includes a first section 71 and a second section 72, wherein the first section 71 is semicircular, and the second section 72 is right-angled.

[0046] The special-shaped handle 7 enables the present invention to be grasped by human hands in two states, vertical and horizontal, and can be conveniently carried when moving.

[0047] As a further explanation of this embodiment, refer to Figure 1 , Figure 8 and Fig. 9 Two telescopic rods 8 are vertically fixed on the second guide rail 92.

[0048] The present invention can adjust the length of the telescopic rod 8 and the angle and length of the supporting legs 31 after the entire drill rod 101 is laid down, so that the drill rod 101 is in a horizontal state and can be sampled horizontally when facing a steep slope.

Claims

1. A sampling device for land engineering survey, characterized in that: include A survey mechanism (1), comprising a drive assembly (10) and a sampling assembly (11), wherein the sampling assembly (11) comprises a drill rod (101), a drill bit (102) and a sampling box (103), wherein the drive assembly (10) is drivingly connected to one end of the drill rod (101), and the other end of the drill rod (101) is fixedly connected to the drill bit (102), and the sampling box (103) is placed in the drill rod (101), and the drive assembly (10) causes the drill rod (101) to rotate forward and reverse and move longitudinally to extract soil samples; The surveying mechanism (1) is connected to the supporting mechanism (3) via a first connecting member (2); the supporting mechanism (3) is used to keep the surveying mechanism (1) balanced when taking samples; the supporting mechanism (3) comprises supporting legs (31), a second connecting member (32) and a supporting plate (33); four supporting legs (31) are provided; the supporting legs (31) are bendable; the supporting legs (31) are fixed to the second connecting member (32); and the second connecting member (32) is clamped at any position on the supporting plate (33); The second connecting member (32) comprises two symmetrically arranged pressing plates (301), the two pressing plates (301) being respectively fixedly connected to the side walls of the long box (302), the long box (302) being fixedly connected to the supporting legs (31), the long box (302) being arranged in an annular guide hole (303) opened in the supporting plate (33), the pressing plates (301) being slidably connected to the supporting plate (33), a clamping assembly (4) being arranged in the long box (302), the clamping assembly (4) enabling the long box (302) to be clamped at any position on the supporting plate (33), the clamping assembly (4) comprising a push plate (41), a first extrusion plate (42) and a second extrusion plate (43), the push plate (41) driving the first extrusion plate (42) and the second extrusion plate (43) to abut against the inner walls on both sides of the annular guide hole (303).

2. The sampling device for land engineering survey according to claim 1, characterized in that: The clamping assembly (4) further comprises a first rack (401), the first rack (401) being fixedly connected to the push plate (41), the first rack (401) being slidably connected to the inner wall of the long box (302), the first rack (401) being meshed with a first gear (402), the first gear (402) being coaxially fixed to a first rotating shaft (403), the first rotating shaft (403) being connected to the long box (302) by a bearing, one end of a return spring (410) being mounted on the first rotating shaft (403), the return spring (410) being The other end is fixed to the long box (302), the first gear (402) is meshed with the second rack (404) and the third rack (405) respectively, the second rack (404) and the third rack (405) move along the first guide hole (406) and the second guide hole (407) respectively, the first guide hole (406) and the second guide hole (407) are respectively opened on the inner wall of the long box (302), and the second rack (404) and the third rack (405) are respectively fixedly connected to the first extrusion plate (42) and the second extrusion plate (43).

3. The sampling device for land engineering survey according to claim 2, characterized in that: The support disk (33) comprises an outer ring (3001) and an inner disk (3002), and the annular guide hole (303) is between the outer ring (3001) and the inner disk (3002).

4. The sampling device for land engineering survey according to claim 3 is characterized in that: The support leg (31) is divided into two sections, and the two sections are fixedly connected by bolts. The bottom of the support leg (31) is bolted to the support plate (3003).

5. The sampling device for land engineering survey according to claim 4, characterized in that: The driving assembly (10) comprises a driving source (90), the output end of the driving source (90) is drivingly connected to a first slider (91), the first slider (91) is slidably connected to a second guide rail (92), the second guide rail (92) is fixedly connected to a frame (93), the first slider (91) is bearing-connected to one end of a second rotating shaft (94), the other end of the second rotating shaft (94) is fixed to the drill rod (101), the second rotating shaft (94) is coaxially fixed to a fourth gear (95), the fourth gear (95) is meshed with a fourth rack (96), the fourth rack (96) is vertically arranged and slidably connected to the first slider (91), the first slider (91) is fixed to a guide sleeve (97), the guide sleeve (97) is sleeved on a guide rod (98) and moves along the guide rod (98), and the guide rod (98) is fixed to the frame (93).

6. The sampling device for land engineering survey according to claim 5, characterized in that: The guide rod (98) is arranged obliquely.

7. The sampling device for land engineering survey according to claim 6, characterized in that: The guide rod (98) is fixed with a special-shaped handle (7), the special-shaped handle (7) comprising a first section (71) and a second section (72), the first section (71) being semicircular in shape, and the second section (72) being right-angled in shape.

8. The sampling device for land engineering survey according to claim 7, characterized in that: Two telescopic rods (8) are vertically fixed on the second guide rail (92).

9. The sampling device for land engineering survey according to claim 8, characterized in that: The first connecting member (2) comprises a connecting plate (80), the connecting plate (80) being connected to a bearing of the drill rod (101), the connecting plate (80) being bolted in a connecting hole (81), and the connecting hole (81) being formed on the inner disk (3002).

10. The sampling device for land engineering survey according to claim 9, characterized in that: The drill rod (101) is cylindrical and hollow inside, and a concave hole (110) that is consistent with the contour of the sampling box (103) is formed in the drill rod (101).

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