Soil layer drilling device for soil investigation

Abstract

The utility model relates to the technical field of soil layer drilling, in particular to a soil layer drilling device for soil investigation. The sampling device has the advantages that the gear motor, the driving gear and the driven gear drive the drilling barrel to rotate and then drill into soil, so that a sample core of a soil layer is drilled into the drilling barrel, sampling is achieved, the drilling barrel rotates and drives the push plate and the transmission screw to rotate at the same time, and sampling is achieved. The push plate is driven to be pulled up through threaded transmission of the transmission screw and the threaded sleeve, so that a soil core continuously enters the drilling barrel, after the soil core is pulled out, the drilling barrel is driven to rotate reversely through the gear motor, the transmission screw pushes the push plate to push the soil core in the drilling barrel slowly, and the purpose of conveniently taking out a sample core is achieved. Through the fixed ground thorns on the bottom surface of the push plate, the center of a circle of a positioning sampling position can be firstly aligned during drilling, so that positioning is facilitated, and the drilling barrel can be effectively positioned and prevented from swinging during drilling of the drilling barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil layer drilling technology field especially a soil layer drilling device for soil investigation. BACKGROUND

[0002] Soil investigation is an important basic work in the fields of agriculture, geological exploration, environmental monitoring and engineering construction, and its core lies in obtaining samples of different depth soil layers and analyzing their physical and chemical properties. The traditional soil layer drilling device usually adopts a mechanical auger or a hydraulic drive drilling machine, and such equipment has the following limitations:

[0003] The current soil layer drilling device retains the soil core in the drill cylinder after drilling, which is inconvenient to take out, and the sample core is easily broken by pulling out with a tool, affecting the detection investigation effect. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of the prior art, and provides a soil layer drilling device for soil investigation, which effectively solves the problems of the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a soil layer drilling device for soil investigation in one aspect of embodiment, which comprises a fixed plate, a connecting bearing is fixedly connected to the center of the surface of the fixed plate, an inner ring of the connecting bearing is fixedly connected with a drilling drill cylinder, a plurality of strip guide through holes are formed in the side surface of the drilling drill cylinder, a driven gear is fixedly connected to the top of the outer wall of the drilling drill cylinder, a fixed lug is fixedly connected to one side of the fixed plate, a reduction motor is fixedly connected to the center of the bottom surface of the fixed lug, an output end of the reduction motor penetrates through the top surface of the fixed lug and is fixedly connected with a driving gear, the driving gear is meshed and connected with the driven gear, a push plate is slidably connected to the inner wall of the drilling drill cylinder, a plurality of guide blocks are fixedly connected to the edge of the push plate, a plurality of strip guide through holes are slidably connected with the plurality of guide blocks respectively, a transmission screw is fixedly connected to the center of the top surface of the push plate, a support frame is fixedly connected to the middle of both sides of the top surface of the fixed plate, a threaded sleeve is fixedly connected to the center of the support frame, and the transmission screw is threadedly connected with the threaded sleeve.

[0006] It is preferred that the length of the transmission screw is greater than the length of the drilling drill cylinder, the diameter of the push plate is matched with the diameter of the inner wall of the drilling drill cylinder, and the ends of the plurality of guide blocks away from the push plate are all inside the strip guide through holes.

[0007] The technical effect achieved by the above-mentioned scheme is that the transmission and pushing length of the transmission screw is sufficient to completely push out the sample core of the inner wall of the drilling drill cylinder.

[0008] Preferably, in any of the above solutions, the strip-shaped guide through holes are arranged in a circular array around the center of the drilling cylinder, and the outer wall of the drilling cylinder is marked with a depth scale.

[0009] The technical effect achieved by the above solution is that the guide distance of the guide through hole matches the depth of the drilling cylinder, which facilitates the complete pushing out of the sample core by the push plate, and the drilling depth can be observed through the depth scale.

[0010] Preferably, in any of the above solutions, a fixed spike is fixedly connected to the center of the bottom surface of the push plate, the fixed spike is a conical structure, and the fixed spike protrudes from the bottom of the drilling cylinder when the transmission screw rod is completely lowered.

[0011] The technical effect achieved by the above solution is that the fixed spike on the bottom surface of the push plate is aligned with the center of the sampling position, ensuring the stability during drilling.

[0012] Preferably, in any of the above solutions, control handles are fixedly connected to the middle of the two side surfaces of the support frame, and the two control handles are symmetrically arranged with the drilling cylinder as the middle line.

[0013] The technical effect achieved by the above solution is that the two symmetric control handles facilitate stable control operation with both hands.

[0014] The present application has the following advantages:

[0015] 1. The soil layer drilling device for soil investigation, the reduction motor and the driving gear and the driven gear transmission drive the drilling cylinder to rotate, and then drill into the soil, and then make the sample core of the soil layer drill into the inside of the drilling cylinder, realize sampling, the drilling cylinder rotates at the same time drive the push plate and the transmission screw rod rotates, through the transmission screw rod and the threaded sleeve screw thread transmission, drive the push plate to pull up, so that the soil core continuously enters the drilling cylinder, after pulling out the soil core, the drilling cylinder is reversed again by the reduction motor, so that the transmission screw rod is reversed, the push plate is pushed, and then the soil core in the drilling cylinder is slowly pushed out, and the purpose of convenient sampling is achieved.

[0016] 2. The soil layer drilling device for soil investigation, through the fixed spike on the bottom surface of the push plate, the center of the sampling position can be aligned and positioned during drilling, which facilitates accurate positioning, and the drilling cylinder can be effectively positioned when drilling, preventing it from swinging and improving the stability of drilling. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application has the following advantages:

[0018] Figure 2The side view structure schematic diagram of the utility model discloses

[0019] Figure 3 The utility model discloses Figure 2 The section structure schematic diagram of A-A in it.

[0020] In the drawing: 1-fixed plate, 2-support frame, 3-drilling cylinder, 4-strip guide through hole, 5-threaded sleeve, 6-transmission screw rod, 7-fixed lug plate, 8-reduction motor, 9-driving gear, 10-driven gear, 11-control handle, 12-guide block, 13-push plate, 14-connecting bearing, 15-fixed ground spike. Specific implementation

[0021] The utility model will be further described below in conjunction with the drawings, but the protection scope of the utility model is not limited to the following.

[0022] As Figures 1 to 3 The utility model discloses a soil layer drilling device for soil investigation, it includes fixed plate 1, the fixed connection of connecting bearing 14 is established in the center place of fixed plate 1 surface, the inner ring fixed connection of connecting bearing 14 has drilling cylinder 3, the side of drilling cylinder 3 is equipped with a plurality of strip guide through hole 4, the top fixed connection of drilling cylinder 3 outer wall has driven gear 10, one side fixed connection of fixed plate 1 has fixed lug plate 7, the fixed connection of fixed lug plate 7 bottom surface center has reduction motor 8, the output of reduction motor 8 penetrates the top surface of fixed lug plate 7 and is fixedly connected with driving gear 9, and driving gear 9 is engaged with driven gear 10, and the inner wall sliding connection of drilling cylinder 3 has push plate 13, and the edge fixed connection of push plate 13 has a plurality of guide blocks 12, and a plurality of guide blocks 12 are slidingly connected with a plurality of strip guide through holes 4, and the fixed connection of push plate 13 top surface center has transmission screw rod 6, and the middle part of fixed plate 1 top surface both sides is fixedly connected with support frame 2, and the fixed connection of support frame 2 center has threaded sleeve 5, and transmission screw rod 6 is threadedly connected with threaded sleeve 5.

[0023] As an optional technical scheme of the utility model, the length of transmission screw rod 6 is greater than the length of drilling cylinder 3, the diameter of push plate 13 is matched with the diameter of the inner wall of drilling cylinder 3, and the end of a plurality of guide blocks 12 away from push plate 13 is inside strip guide through hole 4, so that the transmission driving length of transmission screw rod 6 is enough to push out the sample core of the inner wall of drilling cylinder 3 completely.

[0024] As an optional technical scheme of the utility model, the opening length of the plurality of strip-shaped guide through holes 4 is matched with the length of the drilling cylinder 3, the plurality of strip-shaped guide through holes 4 are distributed in a circular array around the center of the drilling cylinder 3, and the outer wall of the drilling cylinder 3 is marked with a depth scale, so that the guide distance of the guide through hole 4 is matched with the depth of the drilling cylinder 3, the sample core is completely pushed out by the guide push plate 13, and the drilling depth is observed through the depth scale.

[0025] As an optional technical scheme of the utility model, the push plate 13 is fixedly connected with a fixed spike 15 at the center of the bottom surface, the fixed spike 15 is a conical structure, the fixed spike 15 protrudes from the bottom of the drilling cylinder 3 when the transmission screw rod 6 is completely lowered, the center of the fixed spike 15 at the bottom surface of the push plate 13 is aligned with the center of the sampling position, and the stability during drilling is ensured.

[0026] As an optional technical scheme of the utility model, the support frame 2 is fixedly connected with a control handle 11 at the middle of the two side surfaces, and the two control handles 11 are symmetrically arranged with the drilling cylinder 3 as a middle line, so that the two hands are stably controlled through the two symmetric control handles 11.

[0027] The soil layer drilling device for soil investigation is used in the following steps:

[0028] 1) the center of the fixed spike 15 at the bottom surface of the push plate 13 is aligned with the center of the sampling position;

[0029] 2) then the drilling cylinder 3 is driven to rotate through the reduction motor 8, the driving gear 9 and the driven gear 10, and then the drilling cylinder 3 is driven to rotate, the push plate 13 and the transmission screw rod 6 are driven to rotate at the same time, the push plate 13 is driven to be pulled up through the threaded transmission of the transmission screw rod 6 and the threaded sleeve 5, so that the soil core continuously enters the drilling cylinder 3;

[0030] 3) after drilling, the drilling cylinder 3 and the sample core inside are pulled out, the drilling cylinder 3 is reversed through the reduction motor 8, so that the transmission screw rod 6 is reversed, the push plate 13 is pushed, and then the soil core inside the drilling cylinder 3 is slowly pushed out, so that the sample core is conveniently taken out.

[0031] In summary, the drilling cylinder 3 is rotated by the reduction motor 8 and the driving gear 9 and the driven gear 10, and then drills into the soil, and then the soil sample is drilled into the inside of the drilling cylinder 3, the sampling is realized, the pushing plate 13 and the transmission screw rod 6 are rotated while the drilling cylinder 3 is rotated, the pushing plate 13 is pulled up through the threaded transmission of the transmission screw rod 6 and the threaded sleeve 5, so that the soil core continuously enters the drilling cylinder 3, after the soil core is pulled out, the drilling cylinder 3 is reversed by the reduction motor 8, so that the transmission screw rod 6 is reversed, the pushing plate 13 is pushed, and then the soil core in the drilling cylinder 3 is slowly pushed out, so that the purpose of facilitating the taking out of the sample core is achieved, the fixed ground thorn 15 on the bottom surface of the pushing plate 13 can be aligned with the center of the sampling position during drilling, which is convenient for accurate positioning, and the drilling cylinder 3 can be effectively positioned when the drilling cylinder 3 drills, so that the drilling cylinder 3 does not swing, and the stability of drilling is improved.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A soil drilling device for soil survey, characterized in that: The utility model relates to a drilling device, including fixed plate (1), the fixed plate (1) surface center is fixedly connected with connecting bearing (14), the inner ring of connecting bearing (14) is fixedly connected with drilling cylinder (3), the side of drilling cylinder (3) is equipped with a plurality of strip guide through -hole (4), the top of drilling cylinder (3) outer wall is fixedly connected with driven gear (10), one side of fixed plate (1) is fixedly connected with fixed lug (7), the bottom surface center of fixed lug (7) is fixedly connected with reduction motor (8), the output of reduction motor (8) penetrates the top surface of fixed lug (7) and is fixedly connected with drive gear (9), drive gear (9) is engagedly connected with driven gear (10), the inner wall of drilling cylinder (3) is slidably connected with push plate (13), the edge of push plate (13) is fixedly connected with a plurality of guide blocks (12), a plurality of guide blocks (12) are slidably connected with a plurality of strip guide through -hole (4) respectively, the top surface center of push plate (13) is fixedly connected with transmission screw rod (6), the middle portion of both sides of fixed plate (1) top surface is commonly fixedly connected with support frame (2), the center of support frame (2) is fixedly connected with threaded sleeve (5), transmission screw rod (6) is threadedly connected with threaded sleeve (5).

2. The soil investigation soil horizon drilling apparatus according to claim 1, characterized by: The length of the transmission screw rod (6) is greater than the length of the drilling cylinder (3), the diameter of the push plate (13) is matched with the diameter of the inner wall of the drilling cylinder (3), and the ends of the plurality of guide blocks (12) away from the push plate (13) are inside the strip guide through -hole (4).

3. The soil investigation soil horizon drilling apparatus according to claim 2, characterized by: The strip guide through -hole (4) is matched with the length of the drilling cylinder (3), and the plurality of strip guide through -holes (4) are arranged in an annular array around the center of the drilling cylinder (3), and the outer wall of the drilling cylinder (3) is marked with a depth scale.

4. The soil investigation soil horizon drilling apparatus according to claim 3, characterized by: The bottom surface center of the push plate (13) is fixedly connected with a fixed spike (15), the fixed spike (15) is a conical structure, and the fixed spike (15) protrudes from the bottom of the drilling cylinder (3) when the transmission screw rod (6) is completely lowered.

5. The soil investigation soil horizon drilling apparatus according to claim 4, characterized by: The middle portion of both sides of the support frame (2) is fixedly connected with a control handle (11), and the two control handles (11) are symmetrically arranged with the drilling cylinder (3) as the center line.

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