Lever gear drilling equipment suitable for soil sampling

Abstract

The invention discloses lever gear drilling equipment suitable for soil sampling, the lever gear drilling equipment comprises a drilling equipment body, the drilling equipment body comprises a drill bit, a support and a power conversion mechanism, the power conversion mechanism comprises a driven screw rod, the driven screw rod is sleeved with a limiting cylinder fixed on the support, and the driven screw rod is screwed with a bevel gear; the bevel gear is rotationally connected with the support, the limiting barrel is connected with the driven screw through a sliding block and a sliding groove which are matched with each other, a connecting screw used for assembling the drill bit is rotationally arranged at the bottom end of the driven screw, and a conversion barrel fixed to the support is rotationally connected to the connecting screw. The drilling equipment body further comprises a lever driving mechanism used for driving the bevel gear to rotate. Through mutual cooperation of the power conversion mechanism and the lever driving mechanism, the drill bit is driven to rotate in the horizontal direction and move in the vertical direction according to the lever principle, then undisturbed soil at a certain depth is sampled, and the whole sampling process is labor-saving.

Description

Technical Field

[0001] The invention relates to the technical field of soil sampling and measurement, and in particular to a lever gear drilling device suitable for soil sampling. Background Art

[0002] When conducting soil surveys and geological explorations in the field, it is often necessary to collect undisturbed soil at a certain depth to accurately determine soil composition and determine soil physical and chemical properties. The soil drills used in daily life require manpower to rotate vigorously into the soil, or use hammers to strike, etc., and in the process of twisting and lifting the soil drill, it is necessary to overcome the compression between the drill bit and the soil itself caused by violent penetration. The entire sampling process is very laborious. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a lever gear drilling device suitable for soil sampling.

[0004] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A lever gear drilling device suitable for soil sampling comprises a drilling device body, the drilling device body comprises a drill bit, a bracket and a power conversion mechanism, the power conversion mechanism comprises a driven screw, the driven screw is sleeved with a limit cylinder fixed on the bracket, and a bevel gear is screwed thereon, and the bevel gear is rotatably connected to the bracket, the limit cylinder and the driven screw are connected by a sliding block and a sliding groove that cooperate with each other, the bottom end of the driven screw is rotatably provided with a connecting screw for assembling the drill bit, and a conversion cylinder fixed on the bracket is screwed thereon, and the drilling device body also comprises a lever driving mechanism for driving the bevel gear to rotate.

[0006] Preferably, the lever driving mechanism includes an assembly plate arranged on the bracket, on which a transmission rod located above the bevel gear is rotatably mounted, a transmission wheel and a driving wheel meshing with the bevel gear are fixed on the transmission rod, and a driven rod located above the transmission rod is also rotatably provided on the assembly plate, a driven wheel meshing with the transmission wheel is fixed on the driven rod, and the lever driving mechanism also includes a limit baffle plate arranged on the bracket, and the horizontal height of the top end of the limit baffle plate is greater than the maximum horizontal height of the driven wheel and less than the horizontal height of the top end of the assembly plate, the limit baffle plate is slidable in the vertical direction and is provided with a rack meshing with the driven wheel, and the horizontal height of the top end of the rack is greater than the horizontal height of the top end of the limit baffle plate, and is hinged with a lever, and the lever and the portion near the top end of the assembly plate are rotatably connected via a fixing rod.

[0007] Preferably, the diameter of the driven wheel is larger than the diameter of the transmission wheel.

[0008] Preferably, the bracket includes a fixing plate and a fixing cylinder arranged at the bottom of the fixing plate, the fixing plate is provided with an assembly hole passing through the fixing cylinder, the bevel gear is fixed to the assembly hole through a bearing, the limit cylinder and the conversion cylinder are both assembled in the fixing cylinder, and the assembly plate and the limit baffle are both fixed to the top of the fixing plate.

[0009] Preferably, the bracket further comprises a plurality of triangular support frames uniformly arranged along the circumferential direction between the fixing plate and the fixing cylinder.

[0010] Preferably, the support frame includes a first support rod, and a second support rod hinged at one end of the first support rod, the other end of the second support rod is connected to the bottom of the fixed plate, the other end of the first support rod is hinged with a sliding block, the outer side of the fixed cylinder is provided with a sliding groove in the vertical direction, and the sliding block can be slidably assembled in the sliding groove, and a locking mechanism is provided between the first support rod and the second support rod.

[0011] Preferably, the locking mechanism includes a tightening rod hinged on the first support rod, and a tightening groove provided on the second support rod, and when the tightening rod is flipped toward a direction close to the second support rod, the tightening rod can be inserted into the tightening groove.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The drilling equipment body disclosed in the present invention cooperates with the power conversion mechanism and the lever driving mechanism, and utilizes the principle of the lever to drive the drill bit to rotate in the horizontal direction and move in the vertical direction, thereby realizing the sampling of the original soil at a certain depth, and the whole sampling process is labor-saving.

[0014] 2. The power conversion mechanism includes a driven screw, a limit cylinder, a bevel gear, a connecting screw and a conversion cylinder that cooperate with each other. When the bevel gear rotates, the connecting screw can rotate in the horizontal direction and move in the vertical direction.

[0015] 3. The lever driving mechanism includes an assembly plate, a transmission rod, a transmission wheel, a driving wheel, a driven rod, a driven wheel, a limit baffle, a rack and a lever that cooperate with each other. When the lever is pulled, the rack is driven to move in the vertical direction, and then the driven wheel drives the transmission wheel to rotate, so that the driving wheel drives the bevel gear to run, and the entire driving process is labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention after being cut apart along the length direction of the top end;

[0017] Figure 2 It is a schematic diagram of the structure of the present invention after being cut apart along the width direction of the top end.

[0018] Figure identification: 1. drill bit, 2. bracket, 21. fixed plate, 22. fixed cylinder, 23. triangular support frame, 231. first support rod, 232. second support rod, 233. sliding block, 24. locking mechanism, 241. tightening rod, 242. tightening groove, 3. lever driving mechanism, 31. assembly plate, 32. transmission rod, 33. transmission wheel, 34. driving wheel, 35. driven rod, 36. driven wheel, 37. limiting baffle, 38. rack, 39. lever, 4. power conversion mechanism, 41. driven screw, 42. limiting cylinder, 43. bevel gear, 44. connecting screw, 45. conversion cylinder. DETAILED DESCRIPTION

[0019] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0020] Example 1

[0021] like Figure 1-2 The lever gear drilling device suitable for soil sampling shown in the figure comprises a drilling device body, the drilling device body comprises a drill bit 1, a bracket 2 and a power conversion mechanism 4, the power conversion mechanism 4 comprises a driven screw 41, the driven screw 41 is sleeved with a limit cylinder 42 fixed on the bracket 2, and a bevel gear 43 is screwed, and the bevel gear 43 is rotatably connected to the bracket 2, the limit cylinder 42 is connected to the driven screw 41 through a sliding block and a sliding groove that cooperate with each other, and the bottom end of the driven screw 41 is rotatably provided with a connecting screw 44 for assembling the drill bit 1, and the connecting screw 44 is provided with a connecting screw 44. A conversion cylinder 45 is screwed on and fixed to the bracket 2. The drilling equipment body also includes a lever driving mechanism 3 for driving the bevel gear 43 to rotate. When the bevel gear 43 rotates, the driven screw 41 rotates accordingly. The rotating driven screw 41 moves in the vertical direction under the limiting action of the limiting cylinder 42, thereby enabling the connecting screw 44 to obtain a potential energy for moving in the vertical direction. At this time, under the limiting action of the conversion cylinder 45, the connecting screw 44 can drive the drill bit 1 to rotate in the horizontal direction and move in the vertical direction, thereby realizing the sampling of the original soil at a certain depth.

[0022] The lever driving mechanism 3 comprises an assembly plate 31 arranged on the bracket 2, a transmission rod 32 rotatably mounted on the assembly plate 31 and located above the bevel gear 43, a transmission wheel 33 and a driving wheel 34 meshing with the bevel gear 43 are fixed on the transmission rod 32, a driven rod 35 rotatably mounted on the assembly plate 31 and located above the transmission rod 32, a driven wheel 36 meshing with the transmission wheel 33 is fixed on the driven rod 35, the lever driving mechanism 3 further comprises a limit baffle 37 arranged on the bracket 2, and the horizontal height of the top end of the limit baffle 37 is greater than the maximum horizontal height of the driven wheel 36 and less than the horizontal height of the top end of the assembly plate 31, and the limit baffle 37 is slidable in the vertical direction and is provided with a The driven wheel 36 is meshed with the rack 38, and the horizontal height of the top end of the rack 38 is greater than the horizontal height of the top end of the limit baffle 37, and is hinged with a lever 39. The lever 39 is rotatably connected to the portion near the top end of the assembly plate 31 through a fixed rod. When the vertical position of the rack 38 is changed by the lever 39, the rack 38 drives the driven wheel 36 to rotate the transmission wheel 33. The rotation of the transmission wheel 33 causes the transmission rod 32 to rotate accordingly, and then the driving wheel 34 drives the bevel gear to operate, thereby realizing the rotation of the driving drill bit 1 in the horizontal direction and the movement in the vertical direction. The entire driving process utilizes the principle of lever effort saving, thereby making the entire original soil sampling process effort-saving.

[0023] As a preferred solution of the above embodiment, the diameter of the driven wheel 36 is greater than the diameter of the transmission wheel 33 .

[0024] Example 2

[0025] As a preferred embodiment of the above embodiment, the bracket 2 includes a fixing plate 21 and a fixing cylinder 22 arranged at the bottom of the fixing plate 21, the fixing plate 21 is provided with an assembly hole passing through the fixing cylinder 22, the bevel gear 43 is fixed on the assembly hole through a bearing, the limiting cylinder 42 and the conversion cylinder 45 are both assembled in the fixing cylinder 22, and the assembly plate 31 and the limiting baffle 37 are both fixed on the top of the fixing plate 21.

[0026] In order to ensure the installation stability of the drilling equipment body during use, the bracket 2 also includes a plurality of triangular support frames 23 evenly arranged between the fixing plate 21 and the fixing cylinder 22 in the circumferential direction, so as to increase the ground contact area of ​​the bottom of the drilling equipment body, thereby preventing the drilling equipment body from tipping over during the operation of the lever 39. Preferably, the support frame 23 includes a first support rod 231, and a second support rod 232 hinged at one end of the first support rod 231, the other end of the second support rod 232 is connected to the bottom of the fixing plate 21, and the other end of the first support rod 231 is hinged with a sliding block 233, and a sliding groove is provided on the outer side of the fixing cylinder 22 in the vertical direction, and the sliding block 233 can be slidably assembled in the sliding groove. When the sliding block 233 slides to the top of the sliding groove, the first support rod 231 and the second support rod 232 are folded with each other, thereby facilitating the transportation of the drilling equipment body. When the tripod support frame 23 needs to be folded, the first support rod 231 and the second support rod 232 are pulled out of the locking groove 242. At this time, the first support rod 231 and the second support rod 232 can be folded, allowing the tripod support frame 23 to be folded.

[0027] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and modifications based on the present invention, but these corresponding changes and modifications should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A lever gear drilling device suitable for soil sampling, comprising a drilling device body, characterized in that: The drilling equipment body comprises a drill bit (1), a bracket (2) and a power conversion mechanism (4), wherein the power conversion mechanism (4) comprises a driven screw (41), wherein the driven screw (41) is sleeved with a limiting cylinder (42) fixed on the bracket (2) and is screwed with a bevel gear (43), and the bevel gear (43) is rotatably connected to the bracket (2), the limiting cylinder (42) and the driven screw (41) are connected via a sliding block and a sliding groove that cooperate with each other, the bottom end of the driven screw (41) is rotatably provided with a connecting screw (44) for assembling the drill bit (1), and the connecting screw (44) is screwed with a conversion cylinder (45) fixed on the bracket (2), and the drilling equipment body further comprises a lever driving mechanism (3) for driving the bevel gear (43) to rotate.

2. The lever gear drilling device suitable for soil sampling according to claim 1, characterized in that: The lever driving mechanism (3) comprises an assembly plate (31) arranged on the bracket (2); a transmission rod (32) located above the bevel gear (43) is rotatably mounted on the assembly plate (31); a transmission wheel (33) and a driving wheel (34) meshing with the bevel gear (43) are fixed on the transmission rod (32); a driven rod (35) located above the transmission rod (32) is rotatably mounted on the assembly plate (31); a driven wheel (36) meshing with the transmission wheel (33) is fixed on the driven rod (35); the lever driving mechanism (3) further comprises A limit baffle (37) is arranged on the bracket (2), and the horizontal height of the top of the limit baffle (37) is greater than the maximum horizontal height of the driven wheel (36) and less than the horizontal height of the top of the assembly plate (31). The limit baffle (37) is slidable in the vertical direction and is provided with a rack (38) meshing with the driven wheel (36), and the horizontal height of the top of the rack (38) is greater than the horizontal height of the top of the limit baffle (37). A lever (39) is hingedly connected, and the lever (39) is rotatably connected to a portion near the top of the assembly plate (31) via a fixing rod.

3. The lever gear drilling device suitable for soil sampling according to claim 2, characterized in that: The diameter of the driven wheel (36) is greater than the diameter of the transmission wheel (33).

4. The lever gear drilling device suitable for soil sampling according to claim 3, characterized in that: The bracket (2) comprises a fixing plate (21) and a fixing cylinder (22) arranged at the bottom of the fixing plate (21); an assembly hole penetrating the fixing cylinder (22) is provided on the fixing plate (21); the bevel gear (43) is fixed to the assembly hole via a bearing; the limiting cylinder (42) and the conversion cylinder (45) are both assembled in the fixing cylinder (22); and the assembly plate (31) and the limiting baffle (37) are both fixed to the top of the fixing plate (21).

5. The lever gear drilling device suitable for soil sampling according to claim 4, characterized in that: The bracket (2) further comprises a plurality of triangular support frames (23) uniformly arranged along the circumferential direction between the fixing plate (21) and the fixing cylinder (22).

6. The lever gear drilling device suitable for soil sampling according to claim 5, characterized in that: The support frame (23) includes a first support rod (231), and a second support rod (232) hinged at one end of the first support rod (231), the other end of the second support rod (232) is connected to the bottom of the fixed plate (21), the other end of the first support rod (231) is hinged with a sliding block (233), the outer side of the fixed cylinder (22) is provided with a sliding groove in the vertical direction, and the sliding block (233) can be slidably assembled in the sliding groove, and a locking mechanism (24) is provided between the first support rod (231) and the second support rod (232).

7. The lever gear drilling device suitable for soil sampling according to claim 6, characterized in that: The locking mechanism (24) comprises a tightening rod (241) hinged on the first support rod (231), and a tightening groove (242) provided on the second support rod (232); when the tightening rod (241) is turned in a direction close to the second support rod (232), the tightening rod (241) can be inserted into the tightening groove (242).

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