A soil sampling device for water conservancy projects

Abstract

The invention discloses a soil sampling device for a water conservancy project, and relates to the technical field of soil sampling, comprising: a base, a pulley is fixedly installed at the bottom of the base, a fixing rod is fixedly installed at the top of the base, and a top plate is fixedly installed at the top of the fixing rod; a sampling device, the sampling device is arranged on the top of the top plate, the sampling device comprises a motor, a spiral rotating rod, a long rod, a threaded plate, a fixing plate, a sampling tube, a tapered mouth, a spiral ring, a spiral rod, a circular plate, a sealing plate and a scraper, the rotation of the spiral rotating rod will drive the threaded plate to move downward, the downward movement of the threaded plate will drive the fixing plate to move downward, the downward movement of the fixing plate will drive the sampling tube to move downward, the downward movement of the sampling tube will drive the tapered mouth to move downward, the motor is fixedly installed on the top of the top plate, the rotation of the scraper will scrape the inner wall of the sampling tube to prevent soil from adhering to the inside of the sampling tube and affecting subsequent sampling and detection.

Description

Technical Field

[0001] The invention relates to the technical field of soil sampling, in particular to soil sampling equipment for water conservancy projects. Background Art

[0002] Soil testing refers to determining the environmental quality and its changing trends by measuring the representative values ​​of factors that affect soil environmental quality. Sometimes, in order to understand the degree of soil pollution, it is necessary to test the soil at different depths to understand the distribution of pollutants in the soil along the depth direction.

[0003] The patent with patent announcement number CN217403840U relates to a soil sampling device for agricultural water conservancy projects, including a mounting plate, the upper end of the mounting plate is symmetrically fixedly connected with a vertical plate, a horizontal plate is fixedly connected between the two vertical plates, an electric hydraulic telescopic rod is installed at the lower end of the horizontal plate, a driving mechanism is provided below the electric hydraulic telescopic rod, a mounting shell is installed below the driving mechanism, a second mounting cavity is provided in the mounting shell, a mounting groove is provided at the lower end of the mounting shell, and a double-headed threaded rod is rotatably connected to the left and right inner walls of the second mounting cavity. The device can quickly penetrate into the soil for sampling through the cooperation of a first motor and auxiliary teeth, and after sampling, the two movable shells can be moved back to back through the second motor to quickly pour out the sampled soil, which is convenient for staff to collect and improves the sampling efficiency. The threaded connecting rod and drill bit and other structures can effectively improve the stability of the device during operation.

[0004] In the above patent, the first motor and the auxiliary teeth cooperate with each other to quickly penetrate into the soil for sampling, and after sampling, the two movable shells can be moved back to back by the second motor to quickly pour out the sampled soil, making it convenient for staff to collect and improving the sampling efficiency. The threaded connecting rod, drill bit and other structures can effectively improve the stability of the device during operation, but the soil may adhere to the inner wall of the movable shell, which may affect the subsequent detection effect. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a soil sampling device for water conservancy projects, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a soil sampling device for water conservancy projects, comprising: a base, a pulley is fixedly installed at the bottom of the base, a fixed rod is fixedly installed at the top of the base, and a top plate is fixedly installed on the top of the fixed rod; a sampling device, the sampling device is arranged on the top of the top plate, the sampling device includes a motor, a spiral rotating rod, a long rod, a threaded plate, a fixed plate, a sampling tube, a conical mouth, a spiral ring, a spiral rod, a circular plate, a sealing plate and a scraper, the rotation of the spiral rotating rod will drive the threaded plate to move downward, the downward movement of the threaded plate will drive the fixed plate to move downward, the downward movement of the fixed plate will drive the sampling tube to move downward, the downward movement of the sampling tube will drive the conical mouth to move downward, and the The motor is fixedly mounted on the top of the top plate, the spiral rotating rod is fixedly mounted on the output end of the motor, the long rod is fixedly mounted on the bottom of the top plate, the threaded plate is threadedly mounted on the surface of the spiral rotating rod, the fixed plate is fixedly mounted on the surface of the threaded plate, the sampling tube is fixedly mounted on the bottom of the threaded plate, the tapered mouth fixes the bottom of the sampling tube, the spiral ring is fixedly mounted on the top of the threaded plate, the spiral rod is threadedly mounted on the inner wall of the spiral ring, the circular plate is rotatably mounted on the top of the spiral rod, the sealing plate is fixedly mounted on the bottom of the spiral rod, and the scraper is fixedly mounted on the bottom of the sealing plate. The downward movement and rotation of the spiral rod will drive the sealing plate to move downward and rotate, and the downward movement and rotation of the sealing plate will drive the scraper to move downward and rotate.

[0007] According to the above technical solution, the scraper contacts the inner wall of the sampling tube, and the inner wall of the sampling tube is scraped by the scraper. The sealing plate contacts the inner wall of the sampling tube, and the soil is pushed downward by the sealing plate.

[0008] According to the above technical scheme, a storage device for storing soil is provided on the base, and a supporting device is provided on the storage device. The storage device includes an elastic telescopic rod, a slide rail, a slider, a fixed frame, a baffle, a rotating plate, a connecting frame, a sampling frame, a slide plate and a guide rail. When the threaded plate moves downward, the elastic telescopic rod will move downward, and the elastic telescopic rod will push the baffle to move downward. The baffle will drive the slide plate and the fixed frame to move downward, and the fixed frame will push the rotating plate to rotate downward. The elastic telescopic rod is fixedly installed at the bottom of the threaded plate, a groove is opened on the surface of the base, the slide rail is fixedly installed on the inner wall of the groove, the slider is slidably installed on the inner wall of the slide rail, the fixed frame is fixedly installed on the surface of the slider, the baffle is fixedly installed on the surface of the slider, the guide rail is fixedly installed on the inner wall of the groove, the sampling frame is slidably installed on the inner wall of the guide rail, the connecting frame is fixedly installed on the top of the sampling frame, one end of the rotating plate is rotatably installed on the inner wall of the fixed frame, and the other end of the rotating plate is rotatably installed on the inner wall of the connecting frame. The free end of the elastic telescopic rod is fixedly installed on the top of the baffle, and the slide plate is slidably installed on the bottom of the sampling frame.

[0009] According to the above technical solution, a pulley frame is fixedly installed on the surface of the guide rail, and a protrusion is fixedly installed on the surface of the slide plate. The protrusion will contact the pulley frame when moving toward the bottom of the sampling tube. Under the push of the pulley frame, the protrusion and the slide plate will move away from the pulley frame.

[0010] According to the above technical solution, a No. 1 spring is arranged between the slider and the slide rail, and the slider is reset by the No. 1 spring. A No. 1 torsion spring is arranged between the rotating plate and the fixed frame, and the rotating plate is reset by the No. 1 torsion spring. A No. 2 spring is arranged between the sampling frame and the guide rail, and the sampling frame is reset by the No. 2 spring.

[0011] According to the above technical solution, the supporting device includes a trapezoidal block, a push rod, a support plate, a rotating plate and a supporting seat. The baffle plate moves downward to push the trapezoidal block to move in a direction away from the baffle. The movement of the trapezoidal block in the direction away from the baffle will push the push rod to move in the direction away from the baffle. The movement of the push rod in the direction away from the baffle will push one end of the rotating plate to rotate upward. The trapezoidal block is slidably installed on the top of the base, the push rod is fixedly installed on the surface of the trapezoidal block, the support plate is fixedly installed on the top of the base, the rotating plate is rotatably installed on the surface of the support plate, the base surface is provided with a sliding groove, and the support seat is slidably installed on the inner wall of the sliding groove.

[0012] According to the above technical solution, a sliding rod is slidingly penetrated through the surface of the base, a push plate is fixedly installed at the bottom of the sliding rod, and a brake pad is fixedly installed at the bottom of the push plate. During the downward rotation of the other end of the rotating plate, the sliding rod will be pushed to move downward, and the downward movement of the sliding rod will drive the push plate to move downward, and the downward movement of the push plate will drive the brake pad to move downward.

[0013] According to the above technical solution, a No. 3 spring is arranged between the trapezoidal block and the base, and the No. 3 spring is used to drive the trapezoidal block to reset; a No. 4 spring is arranged between the support seat and the sliding groove, and the No. 4 spring is used to drive the support seat to reset; a No. 2 torsion spring is arranged between the support plate and the rotating plate, and the No. 2 torsion spring is used to drive the rotating plate to reset; a No. 5 spring is arranged between the base and the sliding rod, and the No. 5 spring is used to drive the sliding rod to reset.

[0014] The present invention provides a soil sampling device for water conservancy projects. It has the following beneficial effects: (1) In the present invention, the downward movement of the sampling tube drives the conical mouth to move downward, and the conical mouth is used to divide and collect the soil, which is convenient for sampling. At the same time, the downward movement and rotation of the spiral rod drives the sealing plate to move downward and rotate, and the downward movement and rotation of the sealing plate drives the scraper to move downward and rotate. The downward movement and rotation of the sealing plate pushes the soil inside the sampling tube out to collect the soil. At the same time, the rotation of the scraper scrapes the inner wall of the sampling tube to prevent soil from adhering to the inside of the sampling tube and affecting subsequent sampling and detection.

[0015] (2) In the present invention, the downward rotation of the rotating plate will push the connecting frame and the sampling frame to move away from the base. When the sealing plate pushes the soil out, the sampling frame and the slide plate will be reset under the pull of the rotating plate, so that the collected soil can be directly poured into the sampling frame, thereby improving the soil collection effect. At the same time, the slide plate can slide back and forth to spread the soil on the slide plate more evenly, preventing excessive accumulation, which will cause part of the soil to fall off the sampling frame and affect the soil detection effect.

[0016] (3) In the present invention, the downward rotation of the other end of the rotating plate will push the support seat to slide along the direction of the sliding groove, and the support seat will be supported by contact with the ground, thereby improving the stability during sampling. At the same time, the downward rotation of the other end of the rotating plate will push the slide bar to move downward, and the downward movement of the slide bar will drive the push plate to move downward, and the downward movement of the push plate will drive the brake pad to move downward. The brake pad moves downward and contacts the pulley, thereby restricting the pulley, preventing the equipment from moving freely during the sampling process and affecting the accuracy of the sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the structure of the sampling device of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the base of the present invention; Figure 5 It is a schematic diagram of the guide rail and pulley frame structure of the present invention; Figure 6 It is a schematic diagram of the structure of the support device of the present invention; Figure 7 It is a schematic diagram of the base and the sliding rod structure of the present invention.

[0018] In the figure: 1, base; 2, pulley; 3, fixed rod; 4, top plate; 5, motor; 6, spiral rotating rod; 7, long rod; 8, threaded plate; 9, fixed plate; 10, sampling tube; 11, conical mouth; 12, spiral ring; 13, spiral rod; 14, round plate; 15, sealing plate; 16, scraper; 171, elastic telescopic rod; 172, slide rail; 173, slider; 174, fixed frame; 175, baffle; 176, rotating plate; 177, connecting frame; 178, sampling frame; 179, slide plate; 1710, guide rail; 1711, pulley frame; 1712, bump; 181, trapezoidal block; 182, push rod; 183, support plate; 184, rotating plate; 185, support seat; 186, slide rod; 187, push plate; 188, brake pad. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 7 An embodiment of the present invention is: a soil sampling device for water conservancy projects, comprising: a base 1, a pulley 2 is fixedly installed at the bottom of the base 1, a fixed rod 3 is fixedly installed at the top of the base 1, and a top plate 4 is fixedly installed on the top of the fixed rod 3; a sampling device, the sampling device is arranged on the top of the top plate 4, the sampling device comprises a motor 5, a spiral rotating rod 6, a long rod 7, a threaded plate 8, a fixed plate 9, a sampling tube 10, a conical mouth 11, a spiral ring 12, a spiral rod 13, a circular plate 14, a sealing plate 15, and a scraper 16, the conical mouth 11 is used to divide and collect soil for convenient sampling, the motor 5 is fixedly installed on the top of the top plate 4, the spiral rotating rod 6 is fixedly installed on the output end of the motor 5, the long rod 7 is fixedly installed on the bottom of the top plate 4, the threaded plate 8, the fixed plate 9, the sampling tube 10, the conical mouth 11, the spiral ring 12, the spiral rod 13, the circular plate 14, the sealing plate 15, and the scraper 16, the conical mouth 11 is used to divide and collect soil, and the sampling is convenient, the motor 5 is fixedly installed on the top of the top plate 4, the spiral rotating rod 6 is fixedly installed on the output end of the motor 5, the long rod 7 is fixedly installed on the bottom of the top plate 4, the threaded plate 8, the fixed plate 9, the sampling tube 10, the conical mouth 11, the spiral ring 12, the spiral rod 13, the circular plate 14, the sealing plate 15, and the scraper 16, The plate 8 is threadedly mounted on the surface of the spiral rotating rod 6, the fixing plate 9 is fixedly mounted on the surface of the threaded plate 8, the sampling tube 10 is fixedly mounted on the bottom of the threaded plate 8, the conical mouth 11 is fixed on the bottom of the sampling tube 10, the spiral ring 12 is fixedly mounted on the top of the threaded plate 8, the spiral rod 13 is threadedly mounted on the inner wall of the spiral ring 12, the circular plate 14 is rotatably mounted on the top of the spiral rod 13, the sealing plate 15 is fixedly mounted on the bottom of the spiral rod 13, and the scraper 16 is fixedly mounted on the bottom of the sealing plate 15. The sealing plate 15 is moved downward and rotated to push out the soil inside the sampling tube 10 for soil collection. At the same time, the rotation of the scraper 16 will scrape the inner wall of the sampling tube 10 to prevent soil from adhering to the inside of the sampling tube 10 and affecting subsequent sampling and detection.

[0021] The scraper 16 contacts the inner wall of the sampling tube 10 , and the inner wall of the sampling tube 10 is scraped by the scraper 16 . The sealing plate 15 contacts the inner wall of the sampling tube 10 , and the soil is pushed downward by the sealing plate 15 .

[0022] When this embodiment is working: the motor 5 rotates to drive the spiral rotating rod 6 to rotate, the rotation of the spiral rotating rod 6 will drive the threaded plate 8 to move downward, the threaded plate 8 moving downward will drive the fixed plate 9 to move downward, the fixed plate 9 moving downward will drive the sampling tube 10 to move downward, the sampling tube 10 moving downward will drive the tapered mouth 11 to move downward, the tapered mouth 11 is used to divide and collect the soil, which is convenient for sampling, and the collected soil will push the sealing plate 15 to move upward, the sealing plate 15 moving upward will drive the spiral rod 13 to move upward and rotate, the spiral rod 13 moving upward and rotating will drive the circular plate 14 to move upward and rotate, when the soil is collected, the motor 5 drives the spiral rotating rod 6 to reverse, the spiral rotating rod 6 reversing will drive the threaded plate 8 and the fixed plate 9 to move upward, the fixed plate 9 moving upward will The sampling tube 10, the sealing plate 15, the spiral rod 13 and the circular plate 14 are driven to move upward. The circular plate 14 moves upward and is subjected to the reverse force of the top plate 4 to move the circular plate 14 downward. The circular plate 14 moves downward and drives the spiral rod 13 to move downward. The spiral rod 13 moves downward and is guided by the spiral ring 12 to rotate during the downward movement of the spiral rod 13. The downward movement and rotation of the spiral rod 13 drives the sealing plate 15 to move downward and rotate. The downward movement and rotation of the sealing plate 15 drives the scraper 16 to move downward and rotate. The soil inside the sampling tube 10 is pushed out by the downward movement and rotation of the sealing plate 15 to collect the soil. At the same time, the rotation of the scraper 16 scrapes the inner wall of the sampling tube 10 to prevent soil from adhering to the inside of the sampling tube 10 and affecting subsequent sampling and detection.

[0023] See also Figure 1-Figure 7 On the basis of the above embodiment, in another embodiment of the present invention, a storage device for storing soil is provided on the base 1, and a supporting device is provided on the storage device. The storage device includes an elastic telescopic rod 171, a slide rail 172, a slider 173, a fixing frame 174, a baffle 175, a rotating plate 176, a connecting frame 177, a sampling frame 178, a slide plate 179 and a guide rail 1710. The elastic telescopic rod 171 is fixedly mounted on the bottom of the threaded plate 8, a groove is provided on the surface of the base 1, the slide rail 172 is fixedly mounted on the inner wall of the groove, the slider 173 is slidably mounted on the inner wall of the slide rail 172, the fixing frame 174 is fixedly mounted on the surface of the slider 173, and the baffle 175 is fixedly mounted on the surface of the slider 176. 75 is fixedly mounted on the surface of the slider 173, the guide rail 1710 is fixedly mounted on the inner wall of the groove, the sampling frame 178 is slidably mounted on the inner wall of the guide rail 1710, the connecting frame 177 is fixedly mounted on the top of the sampling frame 178, one end of the rotating plate 176 is rotatably mounted on the inner wall of the fixing frame 174, the other end of the rotating plate 176 is rotatably mounted on the inner wall of the connecting frame 177, the free end of the elastic telescopic rod 171 is fixedly mounted on the top of the baffle 175, and the slide plate 179 is slidably mounted on the bottom of the sampling frame 178. The sampling frame 178 and the slide plate 179 will be reset under the pull of the rotating plate 176, so that the collected soil can be directly poured into the sampling frame 178, thereby improving the soil collection effect.

[0024] A pulley frame 1711 is fixedly installed on the surface of the guide rail 1710, and a protrusion 1712 is fixedly installed on the surface of the slide plate 179. The slide plate 179 slides back and forth, so that the soil falling on the slide plate 179 is spread more evenly, preventing excessive accumulation, causing part of the soil to fall from the sampling frame 178, and affecting the soil detection effect.

[0025] A No. 1 spring is arranged between the slider 173 and the slide rail 172, and the slider 173 is reset by the No. 1 spring. A No. 1 torsion spring is arranged between the rotating plate 176 and the fixed frame 174, and the rotating plate 176 is reset by the No. 1 torsion spring. A No. 2 spring is arranged between the sampling frame 178 and the guide rail 1710, and the sampling frame 178 is reset by the No. 2 spring.

[0026] The supporting device includes a trapezoidal block 181, a push rod 182, a support plate 183, a rotating plate 184 and a support seat 185. The trapezoidal block 181 is slidably installed on the top of the base 1, the push rod 182 is fixedly installed on the surface of the trapezoidal block 181, the support plate 183 is fixedly installed on the top of the base 1, the rotating plate 184 is rotatably installed on the surface of the support plate 183, a sliding groove is opened on the surface of the base 1, and the support seat 185 is slidably installed on the inner wall of the sliding groove. The support seat 185 is supported by contacting the ground to improve the stability during sampling.

[0027] A slide bar 186 slides through the surface of the base 1, a push plate 187 is fixedly installed at the bottom of the slide bar 186, and a brake pad 188 is fixedly installed at the bottom of the push plate 187. The brake pad 188 moves downward and contacts the pulley 2 to limit the pulley 2, preventing the equipment from moving freely during the sampling process and affecting the accuracy of the sampling.

[0028] A No. 3 spring is arranged between the trapezoidal block 181 and the base 1, and the No. 3 spring is used to reset the trapezoidal block 181. A No. 4 spring is arranged between the support seat 185 and the sliding groove, and the No. 4 spring is used to reset the support seat 185. A No. 2 torsion spring is arranged between the support plate 183 and the rotating plate 184, and the No. 2 torsion spring is used to reset the rotating plate 184. A No. 5 spring is arranged between the base 1 and the sliding rod 186, and the No. 5 spring is used to reset the sliding rod 186.

[0029] When the present embodiment is working, the threaded plate 8 moves downward to drive the elastic telescopic rod 171 to move downward, the elastic telescopic rod 171 moves downward to push the baffle plate 175 to move downward, the baffle plate 175 moves downward to drive the slider 173 and the fixing frame 174 to move downward, the fixing frame 174 moves downward to push the rotating plate 176 to rotate downward, the rotating plate 176 rotates downward to push the connecting frame 177 and the sampling frame 178 to move away from the base 1, and when the sealing plate 15 pushes the soil out, the sampling frame 178 and the slide plate 179 are reset under the pull of the rotating plate 176, so that the collected soil is directly poured into the sampling frame 1. 78, the soil collection effect is improved, and at the same time, the sampling frame 178 drives the slide plate 179 to move toward the bottom of the sampling tube 10, which will drive the protrusion 1712 to move toward the bottom of the sampling tube 10. The protrusion 1712 will contact the pulley frame 1711 during the movement toward the bottom of the sampling tube 10. Under the push of the pulley frame 1711, the protrusion 1712 and the slide plate 179 will move away from the pulley frame 1711. The slide plate 179 slides back and forth, so that the soil falling on the slide plate 179 is spread more evenly, preventing excessive accumulation, causing part of the soil to fall off the sampling frame 178, and affecting the soil detection effect.

[0030] The downward movement of baffle plate 175 pushes trapezoidal block 181 to move in the direction away from baffle plate 175, and the movement of trapezoidal block 181 in the direction away from baffle plate 175 will push push rod 182 to move in the direction away from baffle plate 175. The movement of push rod 182 in the direction away from baffle plate 175 will push one end of rotating plate 184 to rotate upward. The upward rotation of one end of rotating plate 184 will drive the other end of rotating plate 184 to rotate downward. The downward rotation of the other end of rotating plate 184 will push support seat 185 to slide along the direction of the sliding groove, and the support seat 185 will contact the ground for support, thereby improving the stability during sampling. At the same time, during the downward rotation of the other end of rotating plate 184, the sliding rod 186 will be pushed downward, and the downward movement of sliding rod 186 will drive push plate 187 to move downward. The downward movement of push plate 187 will drive brake pad 188 to move downward, and the brake pad 188 will move downward to contact pulley 2, thereby limiting pulley 2, preventing the equipment from moving freely during sampling and affecting the accuracy of sampling.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soil sampling device for water conservancy projects, characterized in that: include: A base (1), a pulley (2) being fixedly mounted on the bottom of the base (1), a fixing rod (3) being fixedly mounted on the top of the base (1), and a top plate (4) being fixedly mounted on the top of the fixing rod (3); A sampling device, the sampling device is arranged on the top of the top plate (4), the sampling device comprises a motor (5), a spiral rotating rod (6), a long rod (7), a threaded plate (8), a fixed plate (9), a sampling tube (10), a conical mouth (11), a spiral ring (12), a spiral rod (13), a circular plate (14), a sealing plate (15) and a scraper (16), the motor (5) is fixedly mounted on the top of the top plate (4), the spiral rotating rod (6) is fixedly mounted on the output end of the motor (5), the long rod (7) is fixedly mounted on the bottom of the top plate (4), and the threaded plate (8) is threadedly mounted on The surface of the spiral rotating rod (6), the fixing plate (9) is fixedly mounted on the surface of the threaded plate (8), the sampling tube (10) is fixedly mounted on the bottom of the threaded plate (8), the conical mouth (11) fixes the bottom of the sampling tube (10), the spiral ring (12) is fixedly mounted on the top of the threaded plate (8), the spiral rod (13) is threadedly mounted on the inner wall of the spiral ring (12), the circular plate (14) is rotatably mounted on the top of the spiral rod (13), the sealing plate (15) is fixedly mounted on the bottom of the spiral rod (13), and the scraper (16) is fixedly mounted on the bottom of the sealing plate (15); Wherein, a storage device for storing soil is provided on the base (1), and a supporting device is provided on the storage device.

2. A water conservancy project soil sampling device according to claim 1, characterized in that: The scraper (16) contacts the inner wall of the sampling tube (10), and the sealing plate (15) contacts the inner wall of the sampling tube (10).

3. A water conservancy project soil sampling device according to claim 2, characterized in that: The storage device comprises an elastic telescopic rod (171), a slide rail (172), a slider (173), a fixing frame (174), a baffle (175), a rotating plate (176), a connecting frame (177), a sampling frame (178), a slider (179) and a guide rail (1710), wherein the elastic telescopic rod (171) is fixedly mounted on the bottom of the threaded plate (8), a groove is provided on the surface of the base (1), the slide rail (172) is fixedly mounted on the inner wall of the groove, the slider (173) is slidably mounted on the inner wall of the slide rail (172), the fixing frame (174) is fixedly mounted on the surface of the slider (173), and the The baffle (175) is fixedly mounted on the surface of the slider (173), the guide rail (1710) is fixedly mounted on the inner wall of the groove, the sampling frame (178) is slidably mounted on the inner wall of the guide rail (1710), the connecting frame (177) is fixedly mounted on the top of the sampling frame (178), one end of the rotating plate (176) is rotatably mounted on the inner wall of the fixing frame (174), the other end of the rotating plate (176) is rotatably mounted on the inner wall of the connecting frame (177), the free end of the elastic telescopic rod (171) is fixedly mounted on the top of the baffle (175), and the slide plate (179) is slidably mounted on the bottom of the sampling frame (178).

4. A water conservancy project soil sampling device according to claim 3, characterized in that: A pulley frame (1711) is fixedly mounted on the surface of the guide rail (1710), and a protrusion (1712) is fixedly mounted on the surface of the slide plate (179).

5. A water conservancy project soil sampling device according to claim 4, characterized in that: A No. 1 spring is provided between the sliding block (173) and the sliding rail (172), a No. 1 torsion spring is provided between the rotating plate (176) and the fixing frame (174), and a No. 2 spring is provided between the sampling frame (178) and the guide rail (1710).

6. A water conservancy project soil sampling device according to claim 5, characterized in that: The support device comprises a trapezoidal block (181), a push rod (182), a support plate (183), a rotating plate (184) and a support seat (185); the trapezoidal block (181) is slidably mounted on the top of the base (1); the push rod (182) is fixedly mounted on the surface of the trapezoidal block (181); the support plate (183) is fixedly mounted on the top of the base (1); the rotating plate (184) is rotatably mounted on the surface of the support plate (183); a sliding groove is provided on the surface of the base (1); and the support seat (185) is slidably mounted on the inner wall of the sliding groove.

7. A water conservancy project soil sampling device according to claim 6, characterized in that: A slide rod (186) is slidably penetrated through the surface of the base (1), a push plate (187) is fixedly mounted on the bottom of the slide rod (186), and a brake pad (188) is fixedly mounted on the bottom of the push plate (187).

8. A water conservancy project soil sampling device according to claim 7, characterized in that: A No. 3 spring is provided between the trapezoidal block (181) and the base (1), a No. 4 spring is provided between the support seat (185) and the sliding groove, a No. 2 torsion spring is provided between the support plate (183) and the rotating plate (184), and a No. 5 spring is provided between the base (1) and the sliding rod (186).

Images