CN103808986B - Bracing or strutting arrangement is measured with the earth conductivity gauge ground moving in a kind of salt-soda soil - Google Patents

Abstract

A ground mobile measurement support device for a saline-alkali land conductivity meter, which relates to a ground mobile measurement support device for a geodetic conductivity meter to solve the problem of poor detection accuracy caused by the current EM38 geodetic conductivity meter in the measurement method, which includes a cover plate , Antenna pillar, drag bar, bottom plate, two sets of rear axles, two sets of front axles, two vertical plates, two lower baffles, two instrument poles, two upper baffles, two top plates, two direction bars , three connecting rods, four support plates and four trailer wheels; the lower surfaces of the two vertical plates are horizontally arranged with a bottom plate connected to the two, and the two ends of the two vertical plates are respectively fixed with a vertically arranged lower The baffle; the front axle and the rear axle are installed on the plate surface of each vertical plate along its length direction, one end of each rear axle is connected with the vertical plate, and the other end of each rear axle is fixed with a trailer wheel; the front armor axle The other end of the lever is inserted into the wheel hub of the trailer wheel and connected with one end of the lever in rotation. The invention is used for measuring earth conductivity.

Description

A ground mobile measurement support device for earth conductivity meter used in saline-alkali land

technical field

The invention relates to a ground mobile measurement support device for a geodetic conductivity meter.

Background technique

The ground measurement of soil conductivity through the EM38 earth conductivity meter can quickly detect the salt content of deep soil in saline-alkali land, thus providing a scientific basis for the effective management of saline-alkali land ecology. Since the EM38 earth conductivity meter measures the earth conductivity by measuring the induced magnetic field, any metal objects within 1 meter around it will interfere with its measurement accuracy. At present, when using the EM38 earth conductivity meter to measure the soil conductivity, either the mobile measurement method of hanging the EM38 conductivity meter on the shoulder by the sling, or the drag measurement method of placing the EM38 conductivity meter on the long strip of PVC material on the ground . However, in the actual application of the above method, due to the influence of people walking or micro-topography, the distance between the EM38 conductivity meter and the ground is uncertain, so that the readings of the conductivity meter fluctuate greatly, so that the conductivity detection of the soil has deviations. In addition, there are also interference errors caused by metal foreign objects on the human body such as ornaments, belt buckles, and keys on the measurement. The structural design of the inventive device not only weakens the influence of the micro-topography of the saline-alkali land on the measurement of the EM38 conductivity meter, but also meets the needs of the EM38 conductivity meter for the detection accuracy of soil conductivity at different depths of the saline-alkali land. , effectively avoiding the interference error caused by metal foreign objects within 1 meter around the instrument.

Contents of the invention

The invention aims to solve the problem of poor detection accuracy caused by the current EM38 earth conductometer in the measurement mode, and further provides a ground mobile measurement support device for the earth conductometer used in saline-alkali land.

The technical scheme adopted by the present invention for solving the above-mentioned technical problems is: a kind of saline-alkali earth ground conductivity meter ground moving measurement support device of the present invention comprises cover plate, antenna support, drag bar, bottom plate, two sets of rear axles, two sets of front axles, Two vertical boards, two lower boards, two instrument poles, two upper boards, two top boards, two levers, three connecting rods, four support boards and four trailer wheels;

Two vertical boards are arranged side by side, and the lower surfaces of the two vertical boards are horizontally arranged with a bottom plate connected to them. Both ends of the two vertical boards are respectively fixed with a vertical lower baffle, and the two lower baffles are parallel to each other. Arrangement; the front axle and the rear axle are installed on the board surface of each vertical plate along its length direction. The other end of the rear axle is fixed with trailer wheels;

The front axle includes the front A shaft and the front B shaft, one end of the front B shaft is connected with the vertical plate, the other end of the front B shaft is hinged with one end of the front A shaft, the other end of the front A shaft is inserted in the hub of the trailer wheel and It is connected with one end of the lever in rotation, and the two levers are arranged side by side. The other end of the two levers is connected with a tow rod in rotation. The two ends of each vertical plate are arranged with vertical support plates. The supports on the two vertical plates The plates are arranged in one-to-one correspondence. The lower ends of the two support plates on each vertical plate are fixed to the vertical plate, and the upper ends of the two support plates on each vertical plate are fixed to a top plate. The surface of each support plate There are multiple through holes along the height direction of the support plate, the axial direction of the through holes is perpendicular to the length direction of the vertical plate, and the instrument tower rod is inserted into the through holes;

Both ends of the two top plates are respectively fixed with a vertically arranged upper baffle, and the two upper baffles are arranged in parallel, and the upper surfaces of the two upper baffles and the two top plates are fixed with cover plates, and the upper surfaces of the cover plates At least three connecting rods are fixed along the length direction of the cover plate, the antenna support and the connecting rod are vertically arranged, the antenna support is installed on any connecting rod, and the upper end of the antenna support is fixed with an antenna;

The wheelbase of the trailer wheels on the front axle and the trailer wheels on the rear axle is 100mm-600mm, the two ends of the two vertical plates have slopes, the angle between the slopes and the horizontal direction is less than 40°, and the two adjacent The center distance of the through hole is at least 50mm, the distance between the instrument pole and the ground is 100mm-500mm, the cover plate, antenna support, drag bar, bottom plate, two sets of rear axles, two sets of front axles, two vertical plates Two lower baffles, two instrument poles, two upper baffles, two top plates, two levers, three connecting rods, four support plates and four trailer wheels are all made of non-metallic materials.

Compared with the prior art, the present invention has the following beneficial effects: the wheelbase of the front and rear trailer wheels of the present invention is less than 600mm, the distance between the left and right trailer wheels is less than 500mm, and the slope angle at both ends of the bottom plate is not more than 40°. This wheelbase design of the present invention Effectively weakens the influence of the saline-alkali land micro-topography on the measurement of the EM38 conductivity meter during the progress of the device; ) is 50mm, and the maximum adjustment distance between the instrument pole and the ground is 500mm. This structural design of the present invention satisfies the needs of the EM38 conductivity meter for the detection accuracy of soil conductivity at different depths in saline-alkali land. Obviously, it is mounted on the instrument pole. The detection depth of the EM38 conductivity meter on the pole can be freely adjusted every 50mm in the range of 50-500mm; The interference caused by the surrounding metal foreign objects in the measuring process of the instrument is avoided; the rotational connection of the front A shaft and the front B shaft and the rotational connection mode of the lever and the drag bar of the present invention can meet the needs of the trailer on the front axle during the travel of the device. The turning of the wheel requires.

Description of drawings

Fig. 1 is a schematic front view of the overall structure of the present invention, Fig. 2 is a top view of Fig. 1, Fig. 3 is a front view of a vertical plate, Fig. 4 is a bottom view of Fig. 3, Fig. 5 is a top view of Fig. 3, and Fig. 6 is a bottom plate Fig. 7 is a schematic front view of the lever, Fig. 8 is a front view of the antenna support, Fig. 9 is a right view of Fig. 8, Fig. 10 is a side view of the drag bar, Fig. 11 is a front view of the traction plate, Fig. 12 is a top view of Fig. 11, Fig. 13 is a top view of the front nail axis, Fig. 14 is a front view of the front nail shaft, Fig. 15 is a side view of the front nail shaft, Fig. 16 is a rear view of the front B shaft, and Fig. 17 is a front view The side view of the second axle, Figure 18 is a top view of the front second axle, Figure 19 is a rear view of the rear axle, Figure 20 is a side view of the rear axle, and Figure 21 is a top view of the rear axle.

detailed description

Specific embodiment 1: In conjunction with Fig. 1 to Fig. 21, a ground movement measurement support device for a saline-alkali earth conductivity meter in this embodiment includes a cover plate 7, an antenna support 10, a drag bar 14, a bottom plate 16, and two sets of rear axles 20 , two sets of front axles 21, two vertical plates 1, two lower baffle plates 2, two instrument poles 3, two upper baffle plates 5, two top plates 6, two levers 12, three connecting rods 8, Four support plates 4 and four trailer wheels 15;

Two vertical boards 1 are arranged side by side, and the lower surfaces of the two vertical boards 1 are horizontally arranged with a bottom plate 16 connected to the two vertical boards. The two lower baffles 2 are arranged in parallel; the front axle 21 and the rear axle 20 are installed on the plate surface of each vertical plate 1 along its length direction. One end of each rear axle 20 is connected with vertical plate 1, and the other end of each rear axle 20 is fixedly equipped with trailer wheel 15;

Front axle 21 comprises front first shaft 17 and front second shaft 18, and one end of front second shaft 18 is connected with riser 1, and the other end of front second shaft 18 is hinged with an end of front first shaft 17, and the other end of front first shaft 17 inserts It is installed in the wheel hub of the trailer wheel 15 and connected to one end 12-1 of the lever 12 in rotation. The two ends of 1 are arranged with vertical support plates 4, and the support plates 4 on the two vertical plates 1 are arranged in one-to-one correspondence, and the lower ends of the two support plates 4 on each vertical plate 1 are affixed to the vertical plate 1 , the upper ends of the two support plates 4 on each vertical plate 1 are affixed to a top plate 6, and the plate surface of each support plate 4 is provided with a plurality of through holes 4-1 along the height direction of the support plate 4, the through holes The axial direction of 4-1 is perpendicular to the length direction of the vertical plate 1, and the instrument pole 3 is inserted into the through hole 4-1;

Both ends of the two top plates 6 are respectively fixed with a vertically arranged upper baffle 5, and the two upper baffles 5 are arranged in parallel, and the upper surfaces of the two upper baffles 5 and the two top plates 6 are fixed with cover plates 7 , the upper surface of the cover plate 7 is fixed with at least three connecting rods 8 along the length direction of the cover plate 7, the antenna support 10 is vertically arranged with the connecting rods 8, the antenna support 10 is installed on any connecting rod 8, and the antenna support 10 The upper end is fixedly equipped with antenna 9;

The wheelbase L1 of the trailer wheels 15 on the front axle 21 and the trailer wheels 15 on the rear axle 20 is 100-600mm, and the two ends of the two vertical plates 1 have slopes, and the angle θ between the slopes and the horizontal direction is less than 40°. The center distance L4 of two adjacent through holes 4-1 on the board 4 is at least 50mm, the distance L5 between the instrument pole 3 and the ground is 100mm-500mm, the cover plate 7, the antenna support 10, the drag bar 14, Bottom plate 16, two sets of rear axles 20, two sets of front axles 21, two vertical plates 1, two lower baffles 2, two instrument poles 3, two upper baffles 5, two top plates 6, two levers 12. Three connecting rods 8, four support plates 4 and four trailer wheels 15 are all made of non-metallic materials.

Specific Embodiment 2: In conjunction with Fig. 2, Fig. 13-Fig. 21, each front nail shaft 17 in this embodiment includes a connecting rod 17-3 and a connecting post 17-1, and the length of the connecting rod 17-3 and the connecting post 17-1 is The direction is consistent and the two are integrally made. Each front second shaft 18 includes a ∏-shaped bracket 18-2 and a convex piece 18-1. The ∏-shaped bracket 18-2 is integrally made with the convex piece 18-1. 18-1 is fixed in the convex hole 1-2 on the vertical plate 1, the connecting rod 17-3 is connected to the opening of the Π-shaped bracket 18-2 through the pin shaft 19, and the connecting column 17-1 is inserted into the trailer In the hub of wheel 15, connecting column 17-1 is connected with trailer wheel 15 and lever 12 rotations respectively; Each rear axle 20 comprises small-diameter cylinder 20-2, large-diameter cylinder 20-3 and convex body 20-1, The small-diameter cylinder 20-2 and the large-diameter cylinder 20-3 are coaxially arranged, and the large-diameter cylinder 20-3 is located between the small-diameter cylinder 20-2 and the convex body 20-1, and the three are integrally formed , The convex body 20-1 is fixed in the convex hole 1-2 on the vertical plate 1, and the small diameter cylinder 20-2 is fixed with the trailer wheel 15. With such setting, the connection of the front axle is reliable and stable, which meets the design requirements and actual needs. Others are the same as in the first embodiment.

Specific Embodiment Three: In conjunction with Fig. 2 and Fig. 11-Fig. 12, the device described in this embodiment also includes two traction plates 13, and the surface of each traction plate 13 is processed with a connection hole 13-1 and a shaft hole 13 -2, each connecting column 17-1 is inserted in the axle hole 13-1 of the wheel hub of the trailer wheel 15 and the traction plate 13 in turn, the connecting column 17-1 is connected with the traction plate 13 in rotation, and one end 12-1 of the lever 12 It is fixed in the connection hole 13-1. Such setting facilitates the connection between the lever and the front second shaft, and facilitates the turning needs of the trailer wheels. Others are the same as in the second embodiment.

Specific Embodiment 4: In conjunction with Fig. 8 and Fig. 9, each connecting rod 8 in this embodiment includes a cuboid 8-1 and a cylinder 8-5, and the cuboid 8-1 and the cylinder 8-5 are coaxially arranged and Made in one piece, the cuboid 8-1 is inserted into the square socket 7-3 on the cover plate 7, and the lower end of the antenna support 10 is inserted into the socket provided on the cylinder 8-5. With such arrangement, the connection is convenient and reliable, and the disassembly and assembly are convenient. Others are the same as the specific embodiment 1, 2 or 3.

Embodiment 5: In conjunction with Fig. 1 and Fig. 2, the wheelbase L1 of the trailer wheels 15 on the front axle 21 and the trailer wheels 15 on the rear axle 20 of this embodiment is 530mm, and the distance between the two opposite trailer wheels 15 L2 is 440mm. Such setting greatly weakens the influence of saline-alkali land micro-topography on the measurement of EM38 conductivity meter during the process of device travel. Others are the same as in Embodiment 4.

Specific embodiment six: In conjunction with Fig. 1 description, the center distance L4 of two adjacent through holes 4-1 on the support plate 4 of the present embodiment is 50mm, the distance L5 between the instrument pole 3 and the ground is 500mm, and the bottom plate The height of the upper surface of 16 from the ground is L6 is 50mm; the height L3 of the upper surface of the cover plate 7 from the ground is 610mm, the height L8 of the top of the antenna 9 from the upper surface of the cover plate 7 is 1000mm, and two adjacent connecting rods The distance between 8 is 250mm for L7. This setting greatly meets the needs of the EM38 conductivity meter for the detection accuracy of soil conductivity at different depths in saline-alkali land. At the same time, it also meets the needs of stable walking and adjustment of different detection depths during the movement of the device, and also effectively avoids GPS. The possible metal parts in the antenna may interfere with the EM38 geodetic conductivity meter within 1 meter, which meets the needs of GPS flexible positioning of the transmitter coil, receiver coil and the center of the transceiver coil when the EM38 moves on the ground. Others are the same as the specific embodiment 1, 2, 3 or 5.

Embodiment 7: In conjunction with Fig. 1 and Fig. 2, the cover plate 7, bottom plate 16, two vertical plates 1, two lower baffle plates 2, two upper baffle plates 5, two top plates 6 and The four support plates 4 are all made of PVC sheets, and the thickness of the two vertical plates 1, the four support plates 4 and the two top plates 6 is 20mm; the thickness of the lower baffle plate 2 and the upper baffle plate 5 is 15mm; Both the thickness of the cover plate 7 and the bottom plate 16 are 10mm. Such a setting is cheap and easy to obtain, and it also greatly avoids the interference caused by the surrounding metal foreign objects during the measurement of the instrument. Others are the same as in the sixth embodiment.

Embodiment 8: In conjunction with Fig. 1 and Fig. 2, the traction plate 13, the front A shaft 17, the front B shaft 18, the rear shaft 20 and the three connecting rods 8 in this embodiment are all made of nylon. Such a setting is cheap and easy to obtain, and it also greatly avoids the interference caused by the surrounding metal foreign objects during the measurement of the instrument. Others are the same as the specific implementation four.

Ninth specific embodiment: In conjunction with Fig. 1 and Fig. 2, the instrument pole 3, the antenna support 10, the lever 12 and the drag bar 14 in this embodiment are all made of nylon. Such a setting is cheap and easy to obtain, and it also greatly avoids the interference caused by the surrounding metal foreign objects during the measurement of the instrument. Others are the same as the specific embodiment 1, 2, 3, 5, 7 or 8.

Embodiment 10: The trailer wheel 15 is a rubber wheel, and the diameter D1 of the trailer wheel 15 is 250 mm; the antenna 9 is a GPS antenna. With this setting, the rubber wheels are cheap and easy to get; the GPS antenna has a good positioning effect and is cheap and easy to get. Others are the same as the specific implementation nine.

Claims (10)

1. a saline-alkali ground ground mobile measurement support device with a ground conductivity meter is characterized in that: it comprises a cover plate (7), an antenna support (10), a drag bar (14), a base plate (16), two sets of rear axles (20 ), two sets of front axles (21), two vertical plates (1), two lower baffles (2), two instrument poles (3), two upper baffles (5), two top plates (6 ), two levers (12), three connecting rods (8), four support plates (4) and four trailer wheels (15); The two vertical plates (1) are arranged side by side, and the lower surfaces of the two vertical plates (1) are horizontally arranged with a bottom plate (16) connected to the two vertical plates (1). The set lower baffle (2), two lower baffles (2) are arranged in parallel; the front axle (21) and the rear axle (20) are installed on the plate surface of each vertical plate (1) along its length direction, two Two front axles (21) are oppositely arranged, and two rear axles (20) are oppositely arranged, and one end of each rear axle (20) is connected with the vertical plate (1), and the other end of each rear axle (20) is fixed There are trailer wheels (15); Front axle (21) comprises front first shaft (17) and front second shaft (18), and one end of front second shaft (18) is connected with riser (1), and the other end of front second shaft (18) is with front first shaft ( One end of 17) is hinged, and the other end of the front nail shaft (17) is inserted in the wheel hub of the trailer wheel (15) and is rotationally connected with one end (12-1) of the lever (12), and the two levers (12) are arranged side by side , the other ends (12-2) of the two levers (12) are rotatably connected with a drag bar (14), and the two ends of each vertical plate (1) are arranged with vertical support plates (4), two The support plates (4) on the vertical plate (1) are provided in one-to-one correspondence, and the lower ends of the two support plates (4) on each vertical plate (1) are affixed to the vertical plate (1), and each vertical plate ( 1) The upper ends of the two support plates (4) on the top are affixed to a top plate (6), and the plate surface of each support plate (4) is provided with a plurality of through holes (4) along the height direction of the support plate (4). -1), the axial direction of the through hole (4-1) is perpendicular to the length direction of the vertical plate (1), and the instrument pole (3) is inserted in the through hole (4-1); The two ends of the two top plates (6) are respectively fixed with a vertically arranged upper baffle (5), and the two upper baffles (5) are arranged in parallel, and the two upper baffles (5) and the two top plates (6) ) is fixedly equipped with a cover plate (7), the upper surface of the cover plate (7) is fixed with at least three connecting rods (8) along the length direction of the cover plate (7), and the antenna support (10) and the connecting rod (8) vertically arranged, the antenna support (10) is installed on any connecting rod (8), and the upper end of the antenna support (10) is fixedly equipped with an antenna (9); The wheelbase (L1) of the trailer wheels (15) on the front axle (21) and the trailer wheels (15) on the rear axle (20) is 100-600mm, and the two ends of the two vertical plates (1) have inclined surfaces, and the inclined surfaces The included angle (θ) with the horizontal direction is less than 40°, the center-to-center distance (L4) of two adjacent through holes (4-1) on the support plate (4) is at least 50 mm, and the distance between the instrument pole (3) and the ground The distance (L5) is 100mm-500mm, the cover plate (7), antenna support (10), drag bar (14), base plate (16), two sets of rear axles (20), two sets of front axles (21) , two vertical plates (1), two lower baffles (2), two instrument poles (3), two upper baffles (5), two top plates (6), two levers (12), Three connecting rods (8), four support plates (4) and four trailer wheels (15) are all made of non-metallic materials. 2. A ground movement measurement support device for saline-alkali land with a geodetic conductivity meter according to claim 1, characterized in that: each front nail shaft (17) includes a connecting rod (17-3) and a connecting column (17-1) , the connecting rod (17-3) is consistent with the length direction of the connecting column (17-1) and the two are made in one piece, and each front second shaft (18) includes a Π-shaped bracket (18-2) and a convex piece (18- 1), the Π-shaped bracket (18-2) is made integrally with the convex piece (18-1), and the convex piece (18-1) is fixed in the convex hole (1-2) on the vertical plate (1) Inside, the connecting rod (17-3) is connected to the opening of the ∏-shaped bracket (18-2) through the pin shaft (19), and the connecting column (17-1) is inserted into the wheel hub of the trailer wheel (15). Column (17-1) is connected with trailer wheel (15) and lever (12) rotation respectively; Each rear axle (20) comprises small-diameter cylinder (20-2), large-diameter cylinder (20-3) and convex The body (20-1), the small-diameter cylinder (20-2) and the large-diameter cylinder (20-3) are coaxially arranged, and the large-diameter cylinder (20-3) is located at the small-diameter cylinder (20-2) ) and the convex body (20-1) and the three are integrally made, the convex body (20-1) is fixed in the convex hole (1-2) on the vertical plate (1), and the small diameter cylinder ( 20-2) trailer wheel (15) is fixedly housed. 3. a kind of saline-alkali land according to claim 2 uses earth conductometer ground to move and measure supporting device, it is characterized in that: described device also comprises two traction plates (13), the plate surface of each traction plate (13) Processing has connection hole (13-1) and shaft hole (13-2), and each connection post (17-1) is inserted in the wheel hub of trailer wheel (15) and the shaft hole (13-13) of traction plate (13) successively 1), the connecting post (17-1) is rotationally connected with the traction plate (13), and one end (12-1) of the lever (12) is fixed in the shaft hole (13-1). 4. a kind of saline-alkali land according to claim 3 uses earth conductometer ground mobile measurement supporting device, it is characterized in that: each connecting rod (8) comprises cuboid (8-1) and cylinder (8-5), and cuboid (8-1) and the cylinder (8-5) are coaxially arranged and made in one piece, and the cuboid (8-1) is inserted in the square jack (7-3) on the cover (7), and the antenna The lower end of the pillar (10) is inserted into the socket (8-2) provided on the cylinder (8-5). 5. a kind of saline-alkali land according to claim 4 uses earth conductivity meter ground mobile measurement support device, it is characterized in that: the trailer wheel (15) on the front axle (21) and the trailer wheel (15) on the rear axle (20) ) wheel base (L1) is 530mm, and the distance (L2) of two relative trailer wheels (15) is 440mm. 6. A ground movement measurement support device for a saline-alkali earth conductivity meter according to claim 1, 2, 3 or 5, characterized in that: two adjacent through holes (4-1) on the support plate (4) The center distance (L4) is 50mm, the distance (L5) between the instrument pole (3) and the ground is 500mm, the height of the upper surface of the bottom plate (16) from the ground is (L6) is 50mm; the cover plate (7) The height (L3) of the upper surface of the antenna (9) from the ground is 610mm, the height (L8) of the top of the antenna (9) from the upper surface of the cover (7) is 1000mm, and the distance between two adjacent connecting rods (8) is (L7) is 250mm. 7. A ground movement measurement support device for saline-alkali land with a ground conductivity meter according to claim 6, characterized in that: the cover plate (7), the bottom plate (16), two vertical plates (1), two lower plates Baffle plate (2), two upper baffle plates (5), two top plates (6) and four support plates (4) are all made of PVC sheet material, wherein two vertical plates (1), four support plates ( 4) and the thickness of two top plates (6) are 20mm; The thickness of lower baffle plate (2) and upper baffle plate (5) is 15mm; The thickness of cover plate (7) and base plate (16) is 10mm. 8. A kind of saline-alkali land according to claim 4 uses the ground movement measurement support device of the earth conductivity meter, it is characterized in that: the traction plate (13), the front A shaft (17), the front B shaft (18), the rear shaft (20) and three connecting rods (8) are all made of nylon. 9. According to claim 1, 2, 3, 5, 7 or 8, a ground movement measurement support device for a saline-alkali earth conductivity meter is characterized in that: said instrument pole (3), antenna support (10) , lever (12) and drag bar (14) are all made of nylon. 10. a kind of saline-alkali land according to claim 9 uses earth conductometer ground mobile measurement supporting device, it is characterized in that: described trailer wheel (15) is a rubber wheel, and the diameter (D1) of trailer wheel (15) is 250mm; The antenna (9) is a GPS antenna.