Coring equipment for geological exploration of frozen soil layer

Abstract

The utility model relates to the technical field of geological exploration, and discloses coring equipment for geological exploration of a frozen soil layer, which comprises a base, a sampling barrel and a supporting plate, and is characterized in that fixing plates are fixedly connected to the left end and the right end of the top of the base, and adjusting bolts are in threaded connection to the sides, away from each other, of the two fixing plates; stable clamping plates are rotatably connected to the adjacent ends of the two adjusting bolts, limiting rods are fixedly connected to the sides, away from each other, of the two stable clamping plates, the ends, away from each other, of the multiple limiting rods are slidably connected to the adjacent sides of the fixing plates, and mounting grooves are formed in the adjacent sides of the two stable clamping plates. According to the device, the adjusting bolt is rotated to drive the stable clamping plate to move towards the inner side, so that the auxiliary pulley is attached to the surface of the sampling barrel, the stability of the sampling barrel during rotation is ensured, soil on the surface of the sampling barrel is scraped through the scraping plate, the cleaning effect is improved, and shaking is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to geological exploration technical field especially relates to a core drill rig for permafrost layer geological exploration. BACKGROUND

[0002] In the field of geological exploration, obtaining accurate underground core samples is of great significance for studying stratum structure, geological structure and mineral resources distribution, with the exploration work constantly expanding to complex geological areas, permafrost layer geological exploration gradually becomes a research hotspot and difficulty, permafrost layer due to its special physical properties, brings many challenges to geological exploration work, permafrost layer is in low temperature frozen state all the year round, the water in the soil freezes into ice, so that the soil is hard and has strong brittleness, in the coring process, not only the high strength of frozen soil is overcome, but also the melting of frozen soil caused by temperature change is avoided, and then the integrity and original characteristics of the sample are influenced.

[0003] At present, the existing geological exploration coring equipment on the market is mostly designed for conventional geological conditions, when facing permafrost layer, the ordinary coring bit has very low drilling efficiency in permafrost layer, and is easy to cause drill bit wear or even damage due to uneven stress, the existing solution is to erect support frames on both sides to ensure the vertical stability of the core drill rig for geological exploration, because the length of the sampling cylinder is long, the middle position is not provided with a stable structure, so that the top motor will cause the whole sampling cylinder to shake when driving, which affects the sampling accuracy, and also causes the motor output end to break, therefore, a core drill rig for permafrost layer geological exploration is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides a core drill rig for permafrost layer geological exploration, which aims at improving the problem that the middle position of the sampling cylinder is not provided with a stable structure in the prior art, so that the top motor will cause the whole sampling cylinder to shake when driving, which affects the sampling accuracy and causes the motor output end to break.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of core drill equipment for permafrost layer geological exploration, including base, sampling cylinder and support plate, it is characterized by being that the top left and right ends of the base are fixedly connected with fixed plate, the side away from each other of two The fixed plate is screw-connected with adjusting bolt, the adjacent end of two The adjusting bolt is rotatably connected with stable clamping plate, the side away from each other of two The stable clamping plate is fixedly connected with limit rod, the adjacent side of multiple The limit rod is slidably connected in fixed plate, the side away from each other of two The stable clamping plate is equipped with mounting groove, the inboard of the mounting groove is rotatably connected with multiple auxiliary pulley, the bottom of two The stable clamping plate is fixedly connected with scraper, the top of the base is provided with lifting assembly, the inboard of the sampling cylinder is provided with sampling mechanism, and the sampling mechanism is used for accurate sampling to permafrost layer.

[0006] As further description of the above technical solution:

[0007] The sampling mechanism includes a cross slot, the cross slot is provided in the top of the sampling cylinder, the inboard of the cross slot is fixedly connected with a cross plate, the left and right sides of the cross plate are provided with fixing holes, the left and right sides of the outer wall of the sampling cylinder are provided with connecting holes, the inboard of two The connecting hole is screw-connected with reinforcing bolt, the bottom of the cross plate is fixedly connected with a rotating rod, the bottom end of the outer wall of the rotating rod is fixedly connected with a helical blade, and the bottom of the sampling cylinder is provided with a cutting groove.

[0008] As further description of the above technical solution:

[0009] The lifting assembly includes a servo motor one, the servo motor one is fixedly connected at the top of the support plate, the output end of the servo motor one penetrates the top of the support plate and is fixedly connected with a screw rod, the outer wall of the screw rod is screw-connected with a lifting frame, the top of the lifting frame is fixedly connected with a servo motor two, and the output end of the servo motor two penetrates the top of the lifting frame and is fixedly connected at the top of the cross plate.

[0010] As further description of the above technical solution:

[0011] The left and right sides of the fixed plate are fixedly connected with reinforcing plates, and the bottom of the reinforcing plate is fixedly connected at the top of the base.

[0012] As further description of the above technical solution:

[0013] Universal wheels are mounted at the bottom of the base at four corners, and the rear side of the lifting frame is slidably connected to the inboard of the support plate.

[0014] As further description of the above technical solution:

[0015] The left and right sides of the support plate are fixedly connected with handles, and outer walls of the handles are fixedly connected with anti-skid sleeves.

[0016] As a further description of the above technical solution:

[0017] The left and right sides of the support plate are fixedly connected with air cylinders, and one end of the air cylinder is fixedly connected with an anchor rod.

[0018] As a further description of the above technical solution:

[0019] The right side of the support plate is fixedly connected with a controller, and the controller is electrically connected with the servo motor one, the servo motor two and the air cylinder.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 the utility model discloses, through the rotation of the adjusting peg drive stable clamping plate is handled to the outer wall both sides of sampling cylinder, stable clamping plate is handled in the process of clamping, auxiliary pulley will be with the surface of sampling cylinder, so that the normal rotation of sampling cylinder can be ensured, and the stability when sampling cylinder rotates is also ensured, when sampling cylinder rotates, the soil on the surface of sampling cylinder can be scraped through the scraper, improve the cleaning effect, reduce the increase of the bottom weight, reduce the shaking.

[0022] 2、 the utility model discloses, cross plate is handled to each other by cross slot and is inserted and is limited, and the reinforcing peg is handled to cross plate and is reinforced through connecting hole and is integrally formed with spiral blade, when rotating sampling cylinder, the spiral blade of bottom end will concentrate a point, and the permafrost layer is excavated, is convenient for breaking, thereby speeding up the broken handling, the bottom of sampling cylinder is provided with cutting groove, and the cutting groove of the bottom of sampling cylinder can also improve the sampling efficiency, finally make sample enter sampling cylinder, and complete the sampling process. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of the coring equipment for permafrost layer geological exploration is provided for the utility model;

[0024] Figure 2 A front view of the coring equipment for permafrost layer geological exploration is provided for the utility model;

[0025] Figure 3 A split view of the sampling cylinder of the coring equipment for permafrost layer geological exploration is provided for the utility model;

[0026] Figure 4 A partial structure schematic view of the coring equipment for permafrost layer geological exploration is provided for the utility model;

[0027] Figure 5The utility model provides a kind of frozen soil layer geological exploration with the structure diagram of stabilizing clamping plate of coring equipment.

[0028] Legend:

[0029] 1, base; 2, sampling mechanism; 201, cross plate; 202, cross slot; 203, fixed hole; 204, connecting hole; 205, reinforcing bolt; 206, rotating rod; 207, spiral blade; 208, cutting groove; 3, sampling cylinder; 4, fixed plate; 5, adjusting bolt; 6, stabilizing clamping plate; 7, limiting rod; 8, scraper; 9, mounting groove; 10, auxiliary pulley; 11, support plate; 12, servo motor one; 13, screw rod; 14, reinforcing plate; 15, lifting frame; 16, servo motor two; 17, handle; 18, anti-skid sleeve; 19, controller; 20, air cylinder; 21, anchor rod; 22, universal wheel. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Reference Figure 1 , Figure 4 and Figure 5The utility model provides a kind of embodiment: a frozen soil layer geological exploration coring equipment, including base 1, sampling cylinder 3 and support plate 11, base 1 is used to support entire sampling device, the top left end of base 1 is fixedly connected with fixed plate 4, the side away from two fixed plates 4 is screw-connected with adjusting bolt 5, the adjacent end of two adjusting bolts 5 is rotatably connected with stabilizing clamping plate 6, by rotating adjusting bolt 5, the outer wall both sides of sampling cylinder 3 can be clamped and handled by the end stabilizing clamping plate 6, the side away from two stabilizing clamping plates 6 is fixedly connected with limiting rod 7, simultaneously, stabilizing clamping plate 6 is limited by limiting rod 7 and handled, so that stabilizing clamping plate 6 can move horizontally, realize clamping sampling cylinder 3, the side away from multiple limiting rods 7 is slidably connected in the adjacent side of fixed plate 4, the adjacent side of two stabilizing clamping plates 6 is equipped with mounting groove 9, the inside of mounting groove 9 is rotatably connected with multiple auxiliary pulleys 10, in the process of clamping of stabilizing clamping plate 6, the inside auxiliary pulley 10 will be attached with the surface of sampling cylinder 3, so it can ensure the normal rotation of sampling cylinder 3, also ensure the stability when sampling cylinder 3 rotates, the bottom of two stabilizing clamping plates 6 is fixedly connected with scraper 8, scraper 8 is integrally formed with stabilizing clamping plate 6, when sampling cylinder 3 rotates, the soil on the surface of sampling cylinder 3 can be scraped by scraper 8, improve cleaning effect, the top of base 1 is provided with lifting assembly, the inside of sampling cylinder 3 is provided with sampling mechanism 2, sampling mechanism 2 is used for accurate sampling of frozen soil layer, lifting assembly includes servo motor one 12, servo motor one 12 is fixedly connected at the top of support plate 11, the output of servo motor one 12 penetrates the top of support plate 11 and is fixedly connected with screw rod 13, the outer wall of screw rod 13 is screw-connected with lifting frame 15, the top of lifting frame 15 is fixedly connected with servo motor two 16, the output of servo motor two 16 penetrates the top of lifting frame 15 and is fixedly connected at the top of cross plate 201, by starting servo motor one 12, drive screw rod 13 to rotate, realize the up-down sliding of lifting frame 15, finally realize stable sampling processing;

[0032] Specifically, the main function of the base 1 is to provide stable support for the whole sampling device, the top of the base 1 is fixedly provided with a fixed plate 4 at both ends, the opposite side of the fixed plate 4 is threadedly connected with an adjusting bolt 5, the adjacent end of the adjusting bolt 5 is rotatably connected with a stable clamping plate 6, the stable clamping plate 6 at the end can be driven to effectively clamp the two sides of the outer wall of the sampling cylinder 3 by rotating the adjusting bolt 5, the opposite side of the stable clamping plate 6 is fixedly connected with a limiting rod 7, at the same time, the stable clamping plate 6 is limited by the limiting rod 7, so that the stable clamping plate 6 can move horizontally, thereby realizing accurate clamping of the sampling cylinder 3, in the clamping process of the stable clamping plate 6, the inner auxiliary pulley 10 can be tightly attached to the surface of the sampling cylinder 3, so that the normal rotation of the sampling cylinder 3 during rotation can be ensured, and the stability of the sampling cylinder 3 during rotation can be ensured, the bottom of the stable clamping plate 6 is fixedly provided with a scraper 8, the scraper 8 is integrally formed with the stable clamping plate 6, when the sampling cylinder 3 rotates, the scraper 8 can effectively scrape off the soil on the surface of the sampling cylinder 3, thereby improving the cleaning effect, by starting the servo motor one 12, the screw rod 13 is driven to rotate, the lifting frame 15 is driven to slide up and down, at the same time, the servo motor two 16 is started to drive the sampling cylinder 3 to rotate, and finally stable sampling is realized.

[0033] Referring to Figure 1 , Figure 2 and Figure 3 , the sampling mechanism 2 comprises a cross slot 202, the cross slot 202 is arranged at the top of the sampling cylinder 3, the inner side of the cross slot 202 is fixedly connected with a cross plate 201, the cross plate 201 is limited by the cross slot 202, so that the subsequent normal rotation can be ensured, the left and right sides of the cross plate 201 are provided with fixed holes 203, the left and right sides of the outer wall of the sampling cylinder 3 are provided with connecting holes 204, the inner sides of the two connecting holes 204 are threadedly connected with reinforcing bolts 205, the two are connected by the reinforcing bolts 205, so that the reinforcing bolts 205 penetrate the connecting holes 204 to reinforce the cross plate 201, the bottom of the cross plate 201 is fixedly connected with a rotating rod 206, the outer wall bottom end of the rotating rod 206 is fixedly connected with a spiral blade 207, the bottom end of the rotating rod 206 and the spiral blade 207 are integrally formed, when the sampling cylinder 3 rotates, the spiral blade 207 at the bottom end concentrates on a point to dig the frozen soil layer, so that the frozen soil layer can be broken, thereby accelerating the breaking process, the bottom of the sampling cylinder 3 is provided with a cutting groove 208, at the same time, the cutting groove 208 at the bottom of the sampling cylinder 3 can also improve the sampling efficiency, finally the sample enters the sampling cylinder 3, and the sampling process is completed;

[0034] Specifically, the cross slot 202 is arranged at the top of the sampling cylinder 3, and the cross plate 201 is inserted and limited through the structure of the cross slot 202, which ensures that the sampling cylinder 3 can normally rotate in subsequent operation. The left and right sides of the cross plate 201 are designed with fixing holes 203, and the left and right sides of the outer wall of the sampling cylinder 3 are correspondingly provided with connecting holes 204. The inner sides of the two connecting holes 204 are connected by threads with reinforcing bolts 205. Through such a connection mode, the reinforcing bolt 205 can penetrate the connecting hole 204 and reinforce the cross plate 201 to enhance the stability of the overall structure. The bottom of the cross plate 201 is fixed with a rotating rod 206, and the outer wall bottom end of the rotating rod 206 is fixed with a spiral blade 207. The rotating rod 206 and the spiral blade 207 are integrally formed. When the sampling cylinder 3 is rotated, the spiral blade 207 at the bottom end can concentrate power on one point to effectively excavate the permafrost layer, thereby facilitating breaking and speeding up the breaking process. The bottom of the sampling cylinder 3 is specially provided with a cutting groove 208. This cutting groove 208 can not only improve the sampling efficiency, but also make the sample smoothly enter the sampling cylinder 3 during the sampling process, and finally complete the whole sampling process.

[0035] Referring to Figure 1 , Figure 2 and Figure 4 , the left and right sides of the fixed plate 4 are fixedly connected with reinforcing plates 14, and the bottom of the reinforcing plate 14 is fixedly connected to the top of the base 1. The four corners of the bottom of the base 1 are provided with universal wheels 22, which can realize convenient movement of the device. The rear side of the lifting frame 15 is slidingly connected to the inner side of the supporting plate 11. The left and right sides of the supporting plate 11 are fixedly connected with handles 17, and the outer wall of the handle 17 is fixedly connected with a non-slip sleeve 18. The handle 17 can adjust the angle of the device to improve the sampling accuracy. The left and right sides of the supporting plate 11 are fixedly connected with air cylinders 20, and one end of the air cylinder 20 is fixedly connected with an anchor rod 21. The driving air cylinder 20 can drive the anchor rod 21 to move downward to reinforce the device. The right side of the supporting plate 11 is fixedly connected with a controller 19, and the controller 19 is electrically connected with the servo motor one 12, the servo motor two 16 and the air cylinder 20. The controller 19 can conveniently control the operation of the equipment on the whole device;

[0036] Specifically, the bottom of the base 1 is provided with universal wheels 22, so that the whole device can be easily moved in different directions, thereby achieving convenient movement of the device. On the rear side of the device, the lifting frame 15 is connected to the inner side of the support plate 11 by sliding, which not only ensures the stability of the structure, but also facilitates the up and down movement of the lifting frame 15. By operating the handle 17, the user can conveniently adjust the angle of the device, thereby improving the sampling accuracy. In addition, by driving the cylinder 20, the anchor rod 21 can be moved downward, thereby achieving reinforcement of the device and ensuring the stability of the device during use. The controller 19 can conveniently and simply control the operation of the equipment on the whole device, greatly improving the convenience and efficiency of operation.

[0037] Working principle: first, by rotating the adjusting bolt 5, the end of the stable clamp plate 6 can drive the outer wall of the sampling cylinder 3 to be clamped on both sides, and at the same time, the stable clamp plate 6 is limited by the limiting rod 7, so that the stable clamp plate 6 can move horizontally. During clamping, the auxiliary pulley 10 on the inner side will be in contact with the surface of the sampling cylinder 3, which can ensure the normal rotation of the sampling cylinder 3 and also ensure the stability of the sampling cylinder 3 during rotation. By starting the servo motor 12, the screw rod 13 is driven to rotate, realizing the up and down sliding of the lifting frame 15, and finally realizing stable sampling. The scraper 8 is integrally formed with the stable clamp plate 6, and when the sampling cylinder 3 rotates, the scraper 8 can scrape the soil on the surface of the sampling cylinder 3.

[0038] Moreover, the cross plates 201 are inserted and limited by the cross grooves 202, and the cross plates 201 are connected with the sampling cylinder 3 by the reinforcing bolts 205, so that the reinforcing bolts 205 pass through the connecting holes 204 to reinforce the cross plates 201. The rotating rod 206 and the spiral blade 207 are integrally formed with each other, and when the sampling cylinder 3 rotates, the spiral blade 207 at the bottom end will concentrate on a point to excavate the frozen soil layer, which is convenient for breaking.

[0039] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. A coring device for geological exploration of permafrost, comprising a base (1), a sampling cylinder (3), and a support plate (11), characterized in that: The top left and right ends of the base (1) are fixedly connected to a fixing plate (4). The opposite sides of the two fixing plates (4) are threaded with an adjusting bolt (5). The adjacent ends of the two adjusting bolts (5) are rotatably connected to a stabilizing clamp (6). The opposite sides of the two stabilizing clamps (6) are fixedly connected to a limiting rod (7). The opposite ends of the multiple limiting rods (7) are slidably connected to the adjacent sides of the fixing plate (4). The adjacent sides of the two stabilizing clamps (6) are provided with an installation groove (9). The inner side of the installation groove (9) is rotatably connected to multiple auxiliary pulleys (10). The bottom of the two stabilizing clamps (6) is fixedly connected to a scraper (8). The top of the base (1) is provided with a lifting component. The inner side of the sampling cylinder (3) is provided with a sampling mechanism (2). The sampling mechanism (2) is used to accurately sample the frozen soil layer.

2. The coring equipment for frozen soil geological exploration according to claim 1, characterized in that: The sampling mechanism (2) includes a cross groove (202), which is located at the top of the sampling cylinder (3). A cross plate (201) is fixedly connected to the inner side of the cross groove (202). Fixing holes (203) are provided on both the left and right sides of the cross plate (201). Connection holes (204) are provided on the left and right sides of the outer wall of the sampling cylinder (3). Reinforcing bolts (205) are threadedly connected to the inner sides of the two connection holes (204). A rotating rod (206) is fixedly connected to the bottom of the cross plate (201). A spiral blade (207) is fixedly connected to the bottom of the outer wall of the rotating rod (206). A cutting groove (208) is provided at the bottom of the sampling cylinder (3).

3. The coring equipment for geological exploration of frozen soil as described in claim 1, characterized in that: The lifting assembly includes a servo motor (12), which is fixedly connected to the top of the support plate (11). The output end of the servo motor (12) passes through the top of the support plate (11) and is fixedly connected to a screw (13). The outer wall of the screw (13) is threadedly connected to a lifting frame (15). The top of the lifting frame (15) is fixedly connected to a servo motor (16), and the output end of the servo motor (16) passes through the top of the lifting frame (15) and is fixedly connected to the top of the cross plate (201).

4. The coring equipment for geological exploration of permafrost as described in claim 1, characterized in that: The left and right sides of the fixed plate (4) are fixedly connected to the reinforcing plate (14), and the bottom of the reinforcing plate (14) is fixedly connected to the top of the base (1).

5. A coring device for geological exploration of permafrost as described in claim 3, characterized in that: The base (1) is equipped with casters (22) at the four corners of its bottom, and the rear side of the lifting frame (15) is slidably connected to the inner side of the support plate (11).

6. A coring device for geological exploration of permafrost as described in claim 1, characterized in that: The support plate (11) is fixedly connected to handles (17) on both the left and right sides, and the outer wall of the handles (17) is fixedly connected to anti-slip sleeves (18).

7. A coring device for geological exploration of permafrost as described in claim 1, characterized in that: A cylinder (20) is fixedly connected to both the left and right sides of the support plate (11), and an anchor rod (21) is fixedly connected to one end of the cylinder (20).

8. A coring device for geological exploration of frozen soil as described in claim 1, characterized in that: A controller (19) is fixedly connected to the right side of the support plate (11). The controller (19) is electrically connected to the first servo motor (12), the second servo motor (16), and the cylinder (20).

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