Portable soil detection device for agricultural technology popularization service

Abstract

The invention relates to the technical field of soil detection, and discloses a portable soil detection device for agricultural technology promotion service, which comprises a mounting plate, placing racks are fixedly connected to two sides of the bottom of the mounting plate, a handle is fixedly connected to the middle of the top of the mounting plate, and a carrying mechanism is arranged in the middle of the top of the mounting plate. Fixing mechanisms are arranged on the two sides of the top of the mounting plate, and a sampling mechanism is arranged on one side of each fixing mechanism. According to the portable soil detection device for the agricultural technology popularization service, a sharp part at the bottom of a sampling barrel can be inserted into soil, part of the soil enters the sampling barrel, the purpose of automatically sampling the soil can be achieved, the soil sampling efficiency is improved, a second limiting piece can be tightly attached to the surface of a supporting frame, and the soil detection device is convenient to carry. The rotation angle of the sampling cylinder can be limited, and the sampling cylinder is ensured to stop rotating to 180 degrees, so that the purpose of limiting the sampling cylinder is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of soil detection, in particular to a portable soil detection device for agricultural technology extension services. Background Art

[0002] Soil environmental monitoring refers to an important measure to understand the status of soil environmental quality. With the purpose of preventing and controlling soil pollution hazards, the degree of soil pollution and development trends are dynamically analyzed and measured. It includes the current status survey of soil environmental quality, the survey of regional soil environmental background values, the investigation of soil pollution accidents and the dynamic observation of polluted soil. Soil environmental monitoring generally includes preparation, site layout, sampling, sample preparation, analysis and testing, and evaluation. Quality control / quality assurance should be carried out throughout.

[0003] The patent network announcement number CN 212748913 U discloses a soil detection device, which belongs to the technical field of detection devices. The key points of its technical solution are that it includes a body, a connecting block is slidably connected to the body in a vertical direction, a vertical operating rod is rotatably connected to the connecting block, a detection tube is sleeved on the operating rod, a thread is arranged on the operating rod, the detection tube is threadedly connected to the operating rod, a cone plug is fixedly arranged at the bottom end of the detection tube, a soil drilling tube is sleeved on the detection tube, a hammer-shaped soil drilling knife is arranged at the bottom end of the drilling tube, a soil sensor is arranged on the inner wall of the bottom of the drilling tube, and a sliding component is arranged between the drilling tube and the detection tube, so as to achieve the effect of making the soil detection device more convenient to carry.

[0004] The applicant believes that the soil detection device has the following disadvantages: when it is necessary to sample the soil, it is necessary to hold the operating handle and turn the operating lever so that the operating lever drives the detection tube and the drilling tube to move vertically downward, and manually sample the soil, which is time-consuming, labor-intensive, and reduces the efficiency of soil sampling, and has defects. Summary of the invention

[0005] The purpose of the present invention is to provide a portable soil detection device for agricultural technology extension services to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a portable soil detection device for agricultural technology extension services, comprising a mounting plate, both sides of the bottom of the mounting plate are fixedly connected to a placing rack, a handle is fixedly connected to the middle of the top of the mounting plate, a carrying mechanism is arranged in the middle of the top of the mounting plate, both sides of the top of the mounting plate are provided with a fixing mechanism, and a sampling mechanism is arranged on one side of the fixing mechanism.

[0007] The sampling mechanism includes a through hole, which is opened on both sides of the mounting plate, a sampling tube is arranged in the through hole, a first fixing plate is fixedly connected to the top of the sampling tube surface, a support is fixedly connected to the right side of the top of the first fixing plate, a first cylinder is fixedly connected to the top of the support, a groove is opened on one side of the first fixing plate, the first cylinder is arranged in the groove, the first cylinder is rotatably connected to the top of the mounting plate, a first spur gear is fixedly connected to the surface of the first cylinder, a second spur gear is meshed on the surface of the first spur gear, an output shaft is fixedly connected to the inner ring of the second spur gear, a first motor is fixedly connected to the bottom of the output shaft, and the first motor is fixedly connected to the top of the mounting plate.

[0008] According to the above technical solution, a second limit member is fixedly connected to the surface of the output shaft, a support frame is arranged on the front side of the second limit member, the support frame is fixedly connected to the top of the mounting plate, and the support frame is arranged on one side of the sampling cylinder. The second limit member will tightly adhere to the surface of the support frame, and can limit the rotation angle of the sampling cylinder to ensure that the sampling cylinder stops when it rotates to one hundred and eighty degrees, thereby achieving the purpose of limiting the sampling cylinder.

[0009] According to the above technical solution, a pull rod is arranged in the sampling tube, the top of the pull rod is fixedly connected to a first limit piece, the surface of the pull rod is provided with a thread, the surface of the pull rod is threadedly connected to a fixing piece, the fixing piece is fixedly connected to the top of the support piece, a spring is sleeved on the surface of the pull rod, the spring is arranged between the fixing piece and the first limit piece, the sampling tube passes through the mounting plate, and the first limit piece is rotated to drive the pull rod to move downward, and when the pull rod moves to a certain distance, the soil at the bottom of the sampling tube can be pushed out, thereby achieving the purpose of facilitating the removal of the soil.

[0010] According to the above technical solution, a limiting groove is provided in the fixing member, a first limiting plate is inserted in the limiting groove, a support rod is fixedly connected to the left side of the first limiting plate, a fixing block is fixedly connected to the bottom of the support rod, the fixing block is fixedly connected to the surface of the pull rod, and the fixing block is arranged on the top of the mounting plate. When the pull rod moves, the support rod and the first limiting plate slide inside the fixing member, which can support the fixing block and ensure the stability of the pull rod during movement.

[0011] According to the above technical solution, the fixing mechanism includes a placement plate. The placement plates are fixedly connected to both sides of the top of the mounting plate, a shell is arranged on the top of the placement plate, a crusher is arranged in the shell, a rotating shaft is fixedly connected in the middle of the crusher, a second cylinder is fixedly connected to the top of the rotating shaft, and a second fixed plate is fixedly connected to the surface of the second cylinder. By starting the second cylinder and the crusher, the shell is inside the placement plate, and the crusher is working, so that the agglomerated soil can be crushed, which is convenient for soil detection.

[0012] According to the above technical solution, a rectangular groove is opened on the surface of the second fixed plate, and a second limiting plate is arranged in the rectangular groove. The second limiting plate is fixedly connected to the top of the mounting plate. The side of the second fixed plate away from the second cylinder is fixedly connected to the output shaft, and the bottom of the output shaft is fixedly connected to the second motor. The second motor is fixedly connected to the top of the mounting plate. The position of the second fixed plate can also be limited by the second limiting plate.

[0013] According to the above technical solution, the carrying mechanism includes connecting parts, which are fixedly connected to both sides of the top of the mounting plate, and sliding rods are slidably connected in the two connecting parts. A reinforcement plate is fixedly connected between the two sliding rods, and the reinforcement plate is arranged on the top of the mounting plate. By setting the reinforcement plate, the stability between the sliding rods on both sides can be increased.

[0014] According to the above technical solution, a sliding groove is provided in the reinforcement plate, a support seat is slidably connected in the sliding groove, the sliding rod is arranged on both sides of the support seat, the support seat is fixedly connected to the top of the mounting plate, threaded holes are provided on the surface of the support seat, and the number of the threaded holes is several, and the threaded holes are distributed at equal intervals. Bolts are threadedly connected in the threaded holes, and the push handle can be positioned by threading the bolts into the inside of the threaded holes, thereby realizing the adjustment of the push handle distance.

[0015] According to the above technical solution, one side of the sliding rod is fixedly connected to a mounting frame, and the side of the mounting frame away from the sliding rod is fixedly connected to a push handle. The push handle is arranged on the top of the mounting plate and can accommodate workers of different heights to facilitate the movement of the workers.

[0016] According to the above technical solution, a soft pad is fixedly connected to the middle of the push handle surface, and the soft pad is arranged on one side of the mounting frame. The arranged soft pad plays an anti-slip and wear-resistant role.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are: 1. The portable soil detection device for agricultural technology extension services has a sharp part at the bottom of the sampling tube that is inserted into the soil, and part of the soil enters the sampling tube, which can achieve the purpose of automatic soil sampling and improve the efficiency of soil sampling.

[0018] 2. The second limiter of the portable soil detection device for agricultural technology extension services will be in close contact with the surface of the support frame, which can limit the rotation angle of the sampling tube and ensure that the sampling tube stops when it rotates to 180 degrees, thereby achieving the purpose of limiting the sampling tube.

[0019] 3. The portable soil detection device for agricultural technology promotion services drives the pull rod to move downward by rotating the first limiter. When the pull rod moves to a certain distance, the soil at the bottom of the sampling tube can be pushed out, thereby facilitating the removal of the soil.

[0020] 4. In the portable soil detection device for agricultural technology promotion services, when the pull rod moves, the support rod and the first limit plate slide inside the fixing member, which can support the fixing block and ensure the stability of the pull rod during movement.

[0021] 5. The portable soil detection device for agricultural technology extension service starts the second cylinder and the crusher. At this time, the shell is inside the placement plate and the crusher is working, which can crush the agglomerated soil and facilitate soil detection.

[0022] 6. The portable soil detection device for agricultural technology promotion services can be positioned by pushing a handle by threading a bolt into the inside of a threaded hole, thereby adjusting the distance of the push handle. It can adapt to workers of different heights and is easy to move the workers. The provided handle makes it convenient for the workers to pick up and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 It is a schematic diagram of the sampling mechanism of the present invention; Figure 4 yes Figure 3 A schematic diagram of the structure enlargement in the middle; Figure 5 is a cross-sectional schematic diagram of the sampling mechanism of the present invention; Figure 6 It is a partial structural schematic diagram of the sampling mechanism of the present invention; Figure 7 It is a schematic diagram of the cooperation between the sampling mechanism and the fixing mechanism of the present invention; Figure 8 is a schematic diagram of the carrying mechanism of the present invention; Fig. 9 It is a partial structural schematic diagram of the carrying mechanism of the present invention.

[0024] In the figure: 1. mounting plate; 2. sampling mechanism; 21. first position-limiting member; 22. pull rod; 23. first fixing plate; 24. sampling tube; 25. support member; 26. first cylinder; 27. support frame; 28. first flat gear; 29. ​​first motor; 201. second position-limiting member; 202. fixing block; 203. spring; 204. support rod; 205. fixing member; 206. first position-limiting plate; 207. second flat gear; 3. fixing mechanism; 31. placement plate; 32. housing; 33. second motor; 34. rotating rod; 35. second position-limiting plate; 36. second fixing plate; 37. second cylinder; 38. rotating shaft; 39. pulverizer; 4. carrying mechanism; 41. cushion; 42. push handle; 43. connecting member; 44. mounting frame; 45. sliding rod; 46. supporting seat; 47. reinforcing plate; 5. placement frame; 6. handle. DETAILED DESCRIPTION

[0025] 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.

[0026] The present invention provides a technical solution: Embodiment 1: Combination Figure 1-2 to Figure 3-7 A portable soil detection device for agricultural technology promotion services includes a mounting plate 1, both sides of the bottom of the mounting plate 1 are fixedly connected with a placement frame 5, the middle of the top of the mounting plate 1 is fixedly connected with a handle 6, a carrying mechanism 4 is arranged in the middle of the top of the mounting plate 1, both sides of the top of the mounting plate 1 are provided with a fixing mechanism 3, and a sampling mechanism 2 is arranged on one side of the fixing mechanism 3.

[0027] The sampling mechanism 2 includes a through hole, which is opened on both sides of the mounting plate 1. A sampling tube 24 is arranged in the through hole. A first fixed plate 23 is fixedly connected to the top of the sampling tube 24 surface. A support member 25 is fixedly connected to the right side of the top of the first fixed plate 23. A first cylinder 26 is fixedly connected to the top of the support member 25. A groove is opened on one side of the first fixed plate 23. The first cylinder 26 is arranged in the groove. The first cylinder 26 is rotatably connected to the top of the mounting plate 1. A first spur gear 28 is fixedly connected to the surface of the first cylinder 26. A second spur gear 207 is meshed on the surface of the first spur gear 28. The inner ring of the second spur gear 207 is fixedly connected to an output shaft. A first motor 29 is fixedly connected to the bottom of the output shaft. The first motor 29 is fixedly connected to the top of the mounting plate 1.

[0028] Furthermore, a second limit member 201 is fixedly connected to the surface of the output shaft, a support frame 27 is arranged on the front side of the second limit member 201, the support frame 27 is fixedly connected to the top of the mounting plate 1, and the support frame 27 is arranged on one side of the sampling cylinder 24. The second limit member 201 will cling to the surface of the support frame 27, and can limit the rotation angle of the sampling cylinder 24, ensuring that the sampling cylinder 24 stops when it rotates to one hundred and eighty degrees, thereby achieving the purpose of limiting the sampling cylinder 24.

[0029] Furthermore, a pull rod 22 is provided in the sampling tube 24, and a first limit piece 21 is fixedly connected to the top of the pull rod 22. A thread is provided on the surface of the pull rod 22, and a fixing piece 205 is threadedly connected to the surface of the pull rod 22. The fixing piece 205 is fixedly connected to the top of the support piece 25. A spring 203 is sleeved on the surface of the pull rod 22, and the spring 203 is arranged between the fixing piece 205 and the first limit piece 21. The sampling tube 24 passes through the mounting plate 1. By rotating the first limit piece 21, the first limit piece 21 drives the pull rod 22 to move downward. When the pull rod 22 moves to a certain distance, the soil at the bottom of the sampling tube 24 can be pushed out, thereby achieving the purpose of facilitating the removal of the soil.

[0030] Furthermore, a limiting groove is provided in the fixing member 205, and a first limiting plate 206 is inserted in the limiting groove. A support rod 204 is fixedly connected to the left side of the first limiting plate 206, and a fixing block 202 is fixedly connected to the bottom of the support rod 204. The fixing block 202 is fixedly connected to the surface of the pull rod 22, and the fixing block 202 is arranged on the top of the mounting plate 1. When the pull rod 22 moves, the support rod 204 and the first limiting plate 206 slide inside the fixing member 205, which can support the fixing block 202 and ensure the stability of the pull rod 22 during movement.

[0031] Embodiment 2: See also Figure 8-9, and on the basis of the first embodiment, the fixing mechanism 3 further comprises a placing plate 31. The placing plates 31 are fixedly connected to both sides of the top of the mounting plate 1, a shell 32 is arranged on the top of the placing plate 31, a crusher 39 is arranged in the shell 32, a rotating shaft 38 is fixedly connected in the middle of the crusher 39, a second cylinder 37 is fixedly connected to the top of the rotating shaft 38, and a second fixing plate 36 is fixedly connected to the surface of the second cylinder 37. By starting the second cylinder 37 and the crusher 39, the shell 32 is inside the placing plate 31, and the crusher 39 is working, so that the agglomerated soil can be crushed, which is convenient for soil detection.

[0032] Furthermore, a rectangular groove is opened on the surface of the second fixed plate 36, and a second limiting plate 35 is arranged in the rectangular groove. The second limiting plate 35 is fixedly connected to the top of the mounting plate 1. The side of the second fixed plate 36 away from the second cylinder 37 is fixedly connected to the output shaft, and the bottom of the output shaft is fixedly connected to the second motor 33. The second motor 33 is fixedly connected to the top of the mounting plate 1. The position of the second fixed plate 36 can also be limited by setting the second limiting plate 35.

[0033] Embodiment three: See also Figure 2 On the basis of the first and second embodiments, the carrying mechanism 4 further includes connecting members 43, the connecting members 43 are fixedly connected to both sides of the top of the mounting plate 1, sliding rods 45 are slidably connected in the two connecting members 43, a reinforcing plate 47 is fixedly connected between the two sliding rods 45, and the reinforcing plate 47 is arranged on the top of the mounting plate 1. By setting the reinforcing plate 47, the stability between the sliding rods 45 on both sides can be increased.

[0034] Furthermore, a slide groove is provided in the reinforcement plate 47, and a support seat 46 is slidably connected in the slide groove. The sliding rod 45 is arranged on both sides of the support seat 46, and the support seat 46 is fixedly connected to the top of the mounting plate 1. Threaded holes are provided on the surface of the support seat 46. There are several threaded holes, and the threaded holes are evenly spaced. Bolts are threadedly connected in the threaded holes. By threading the bolts into the inside of the threaded holes, the push handle 42 can be positioned, thereby realizing the adjustment of the distance of the push handle 42.

[0035] Furthermore, a mounting frame 44 is fixedly connected to one side of the sliding rod 45, and a push handle 42 is fixedly connected to the side of the mounting frame 44 away from the sliding rod 45. The push handle 42 is arranged on the top of the mounting plate 1 and can accommodate workers of different heights to facilitate the movement of the workers. A soft pad 41 is fixedly connected to the middle of the surface of the push handle 42, and the soft pad 41 is arranged on one side of the mounting frame 44. The soft pad 41 is arranged to achieve an anti-slip and wear-resistant effect.

[0036] In actual operation, when the device is used, the sliding rod 45 inside the sliding connector 43 is firstly used, and the reinforcing plate 47 slides on the surface of the supporting seat 46. When the position of the push handle 42 is adjusted to a suitable position, and when the threaded hole inside the reinforcing plate 47 coincides with the threaded hole inside the supporting seat 46, the push handle 42 can be positioned by threading a bolt to the inside of the threaded hole, thereby adjusting the distance of the push handle 42, which can adapt to workers of different heights and is convenient for moving the workers. The provided handle 6 makes it convenient for the workers to take and carry the device. At this time, by placing the device in the corresponding position, and then By starting the first cylinder 26, the first cylinder 26 drives the first fixing plate 23 to move downward, at which time the sharp part at the bottom of the sampling tube 24 will be inserted into the soil, and part of the soil will enter the sampling tube 24, so as to achieve the purpose of automatic soil sampling and improve the efficiency of soil sampling. After the soil is sampled, the sampling tube 24 is moved upward and the first motor 29 is driven to drive the output shaft to rotate, and the second flat gear 207 and the first flat gear 28 are driven to rotate synchronously. At this time, the sampling tube 24 rotates with the first cylinder 26 as the center. When the second flat gear 207 rotates to 180 degrees, the second limiter 2 01 will be in close contact with the surface of the support frame 27, and can limit the rotation angle of the sampling cylinder 24, ensuring that the sampling cylinder 24 stops when it rotates to 180 degrees, thereby achieving the purpose of limiting the sampling cylinder 24. At this time, the sampling cylinder 24 is at the top of the placement plate 31. When it is necessary to eject the soil inside the sampling cylinder 24, the first limiting member 21 can be rotated, and the first limiting member 21 drives the pull rod 22 to move downward. When the pull rod 22 moves to a certain distance, the soil at the bottom of the sampling cylinder 24 can be ejected, thereby achieving the purpose of facilitating the removal of the soil. During the movement of the pull rod 22, the support rod 204 and the first limiting plate 206 are in the fixing member 2 05's internal sliding can support the fixed block 202 and ensure the stability of the pull rod 22 during the movement. When the soil is inside the placement tray 31, the second motor 33 is started, and the second motor 33 drives the rotating rod 34 to rotate, and drives the second fixed plate 36 to rotate to ninety degrees. At the same time, the second limit plate 35 is tightly attached to the inside of the rectangular groove opened on the surface of the second fixed plate 36, and the shell 32 is at the top of the placement tray 31. Then, the second cylinder 37 and the crusher 39 are started. At this time, the shell 32 is inside the placement tray 31, and the crusher 39 is working, which can crush the agglomerated soil and facilitate the detection of the soil.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable soil testing device for agricultural technology extension services, comprising a mounting plate (1), characterized in that: Both sides of the bottom of the mounting plate (1) are fixedly connected to a placement rack (5), the middle of the top of the mounting plate (1) is fixedly connected to a handle (6), the middle of the top of the mounting plate (1) is provided with a carrying mechanism (4), both sides of the top of the mounting plate (1) are provided with a fixing mechanism (3), and one side of the fixing mechanism (3) is provided with a sampling mechanism (2); The sampling mechanism (2) comprises through holes, each of which is provided on both sides of the mounting plate (1), a sampling cylinder (24) is arranged in the through holes, a first fixing plate (23) is fixedly connected to the top of the surface of the sampling cylinder (24), a support member (25) is fixedly connected to the right side of the top of the first fixing plate (23), a first cylinder (26) is fixedly connected to the top of the support member (25), a groove is provided on one side of the first fixing plate (23), the first cylinder (26) is arranged in the groove, and the first cylinder (26) is rotatably connected to the first fixing plate (23). At the top of the mounting plate (1), a first spur gear (28) is fixedly connected to the surface of the first cylinder (26), a second spur gear (207) is meshed with the surface of the first spur gear (28), an output shaft is fixedly connected to the inner ring of the second spur gear (207), a first motor (29) is fixedly connected to the bottom of the output shaft, the first motor (29) is fixedly connected to the top of the mounting plate (1), a second stopper (201) is fixedly connected to the surface of the output shaft, a support frame (27) is arranged at the front side of the second stopper (201), and the output shaft is fixedly connected to the first motor (29) at the bottom of the output shaft. The support frame (27) is fixedly connected to the top of the mounting plate (1), the support frame (27) is arranged on one side of the sampling tube (24), a pull rod (22) is arranged in the sampling tube (24), the top of the pull rod (22) is fixedly connected to a first stopper (21), a thread is arranged on the surface of the pull rod (22), a fixing member (205) is threadedly connected to the surface of the pull rod (22), the fixing member (205) is fixedly connected to the top of the support member (25), a spring (203) is sleeved on the surface of the pull rod (22), and the spring (203) is connected to the top of the support member (25). 3) arranged between the fixing member (205) and the first limiting member (21), the sampling tube (24) passes through the mounting plate (1), a limiting groove is provided in the fixing member (205), a first limiting plate (206) is inserted in the limiting groove, a support rod (204) is fixedly connected to the left side of the first limiting plate (206), a fixing block (202) is fixedly connected to the bottom of the support rod (204), the fixing block (202) is fixedly connected to the surface of the pull rod (22), and the fixing block (202) is arranged on the top of the mounting plate (1); The carrying mechanism (4) comprises connecting members (43), each of the connecting members (43) being fixedly connected to two sides of the top of the mounting plate (1), each of the two connecting members (43) being slidably connected to a sliding rod (45), a reinforcing plate (47) being fixedly connected between the two sliding rods (45), and the reinforcing plate (47) being arranged on the top of the mounting plate (1).

2. A portable soil detection device for agricultural technology extension services according to claim 1, characterized in that: The reinforcing plate (47) is provided with a slide groove, a support seat (46) is slidably connected in the slide groove, the sliding rod (45) is arranged on both sides of the support seat (46), the support seat (46) is fixedly connected to the top of the mounting plate (1), and threaded holes are provided on the surface of the support seat (46), the number of the threaded holes is several, the several threaded holes are distributed at equal intervals, and bolts are threadedly connected in the threaded holes.

3. A portable soil detection device for agricultural technology extension services according to claim 2, characterized in that: A mounting frame (44) is fixedly connected to one side of the sliding rod (45), and a push handle (42) is fixedly connected to the side of the mounting frame (44) away from the sliding rod (45). The push handle (42) is arranged on the top of the mounting plate (1).

4. A portable soil detection device for agricultural technology extension services according to claim 3, characterized in that: A soft pad (41) is fixedly connected in the middle of the surface of the push handle (42), and the soft pad (41) is arranged on one side of the mounting frame (44).

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