A sampling device for geological exploration

Abstract

The application discloses a sampling device for geological exploration, which comprises a geological sampling mechanism and a scale expansion mechanism. The geological sampling mechanism comprises a bottom plate, and a gas cylinder is fixedly connected to the top of the bottom plate. The application relates to the technical field of exploration sampling. The sampling device for geological exploration is combined with the geological sampling mechanism and the scale expansion mechanism. The two mechanisms are arranged so that when the sampling cylinder is lowered for sampling, the U-shaped supporting frame extends out of the side groove by the pressure of the core column. When the sampling cylinder drives the core column to rise, the U-shaped supporting frame supports the lifting supporting piece. The inclined pressing plate, the inner groove sliding frame and the tooth block are matched, so that the seal block can continuously and uniformly pass through the side groove and expand on both sides of the core column. Therefore, the scale line can be marked in advance when the core column is still in a whole in the sampling cylinder.

Description

Technical Field

[0001] This invention relates to the field of exploration and sampling technology, specifically to a sampling device for geological exploration. Background Technology

[0002] Geological exploration is a shorthand for geological exploration work. It involves investigating and studying the geological conditions of a specific area, including rocks, stratigraphy, minerals, groundwater, and landforms, based on the needs of economic development, national defense, and scientific and technological advancements. Different types of geological exploration work exist for different purposes. In the field of geological engineering, applicable industries include: geological surveys, general exploration and evaluation of oil, gas, and solid mineral resources; large-scale industrial and mining enterprises and water conservancy and hydropower construction; highway and railway construction; engineering geology; hydrogeology; and investigation, exploration, and monitoring of the geological environment and geological hazards.

[0003] Current geological exploration work requires staff to carry specialized equipment to designated locations for geological sampling, including soil and rock cores. Compared to soil sampling, rock core sampling is more complex. Although existing equipment can effectively complete rock core sampling, it still has significant shortcomings in practical use, such as:

[0004] After the core column is extracted, its length and distance need to be measured to the centimeter level. However, after the core column is removed from the sampling tube, it will break into several segments, and each break is irregular. Furthermore, the fragments from the breaks will scatter and fall during extraction. This makes it impossible for staff to accurately obtain the length of each segment of the core column using a measuring ruler. Consequently, it is impossible to accurately determine the corresponding underground geological strata through the core column, and it cannot provide a spatial coordinate reference for stratigraphic correlation and structural analysis. Even if the core column is reassembled, stratigraphic misalignment is likely to occur.

[0005] Therefore, a geological exploration sampling device that can improve measurement accuracy is now being designed to address these shortcomings. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a sampling device for geological exploration, which solves the problem that existing geological core sampling methods are prone to inaccurate measurements.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a sampling device for geological exploration, comprising a geological sampling mechanism and a scale imprinting mechanism. The geological sampling mechanism includes a base plate, a cylinder fixedly connected to the top of the base plate, a first ring frame and a second ring frame respectively mounted on the surface of the cylinder, a sampling cylinder rotatably connected to the inner side of the second ring frame, a motor fixedly connected to the inner side of the first ring frame, a rotating rod fixedly connected to the output shaft of the motor via a coupling, the bottom end of the rotating rod fixedly connected to the top of the sampling cylinder, side grooves provided on both sides of the sampling cylinder, directional rods slidably mounted on the front and rear sides of the top of the sampling cylinder through openings, a first disc fixedly connected between the bottom ends of the two directional rods, an annular plate fixedly connected between the top ends of the two directional rods, and a first spring sleeved on the surface of the directional rod.

[0008] Preferably, both sides of the first disc are provided with retraction grooves, and a first slide rod is fixedly connected to one side of the inner cavity of each of the two retraction grooves. A U-shaped support frame that cooperates with the retraction groove is slidably installed on the surface of the first slide rod, and a second spring is sleeved on the surface of the first slide rod. A rectangular opening is provided at the bottom of the inner cavity of the retraction groove. A lifting rod is slidably installed on the front and rear sides of the top of the first disc through openings. A second disc is fixedly connected to the bottom end of the lifting rod, and arc-shaped pressure blocks that cooperate with the rectangular opening and the U-shaped support frame are fixedly connected to both sides of the top of the second disc.

[0009] Preferably, a first sliding cylinder is fixedly connected to both sides of the top of the base plate via a bracket. A lifting rod is slidably installed on the inner side of the first sliding cylinder. An inclined side plate is fixedly connected to the bottom end of the lifting rod via a bracket. An L-shaped top rod is fixedly connected to the opposite side of the two inclined side plates. A flat support plate is fixedly connected to the top end of the lifting rod.

[0010] Preferably, the scale imprinting mechanism includes two return frames, which are respectively installed on both sides of the top of the base plate. The top of the return frame is fixedly connected to an arc-pressed top plate via a fixing plate. The bottom of the arc-pressed top plate is fixedly connected to a vertical sliding column. A second sliding cylinder is slidably installed on the surface of the vertical sliding column. A first I-shaped plate is fixedly connected to the side of the second sliding cylinder near the sampling cylinder. A second sliding rod is fixedly connected to the side of the first I-shaped plate away from the sampling cylinder. A second I-shaped plate is slidably installed on the surface of the second sliding rod. A pull-back groove is opened on one side of the first I-shaped plate, and several pull-back grooves are evenly spaced. A lifting support piece that cooperates with the pull-back groove is fixedly connected to one side of the second I-shaped plate. A third spring is sleeved on the surface of the second sliding rod. An inclined pressure plate is fixedly connected to the bottom end of the second I-shaped plate.

[0011] Preferably, a concave frame is fixedly connected to the side of the swivel frame near the sampling cylinder via a bracket. The front and rear of the concave frame are provided with sliding grooves. An inner groove slide is slidably installed between the inner sides of the two sliding grooves. A rotating rod block is rotatably connected to the inner side of the inner groove slide. A stamp block is fixedly connected to the top of the rotating rod block. A gear is fixedly connected to the bottom of the rotating rod block. An arc-shaped guide groove is provided at the bottom of the gear.

[0012] Preferably, a first fixed bar and a second fixed bar that cooperate with the bow-shaped guide groove are fixedly connected to the two sides of the bottom of the concave frame cavity, and a toothed block that cooperates with the gear is provided at the rear of the concave frame cavity. A pull-back rod is slidably installed on the side of the concave frame away from the sampling cylinder through an opening, and one end of the pull-back rod is fixedly connected to the inner groove slide. A fourth spring is sleeved on the surface of the pull-back rod.

[0013] Preferably, a stop frame is fixedly connected to both the front and rear of the concave frame, a positioning block is slidably installed on the inner side of the stop frame, an L-shaped rotating block is rotatably connected to the inner side of the positioning block through a rotating component, a storage box is fixedly connected between the two L-shaped rotating blocks on the same side, a sponge block is provided on the inner side of the storage box, and an injection tube is fixedly connected to the top of the storage box through an opening.

[0014] Preferably, a bottom pull rod is slidably installed at the bottom of the stop frame through an opening, and the top end of the bottom pull rod is fixedly connected to the bottom of the positioning block. A fifth spring is sleeved on the surface of the bottom pull rod.

[0015] This invention provides a sampling device for geological exploration. Compared with existing technologies, it has the following advantages:

[0016] (1) The sampling device for geological exploration combines the geological sampling mechanism and the scale imprinting mechanism. The combination of these two mechanisms allows the sampling tube to descend for sampling, and the pressure of the core column causes the U-shaped support frame to extend into a side groove. When the sampling tube drives the core column to rise, the U-shaped support frame supports the lifting plate. With the cooperation of the inclined pressure plate, the inner groove slide and the toothed block, the stamp block can continuously and evenly pass through the side groove to imprint on both sides of the core column. This allows the scale line to be marked in advance when the core column is still a whole inside the sampling tube. After the core column is taken out of the sampling tube, even if it breaks into several segments with irregular fractures, the staff can quickly obtain the length and distance of each segment of the core column and the underground layer without using measuring tools. This improves the accuracy of the sampling data and saves manpower.

[0017] (2) The sampling device for geological exploration is equipped with a storage box on one side of the circular frame, and is used in conjunction with the first fixed strip, the second fixed strip and the toothed block. The structure allows the stamp block to detach from the storage box after the inner groove slide is squeezed, and then rotate to fit with the rock core column for imprinting. After the inner groove slide is no longer squeezed, the stamp block can be rotated and reset by the elastic force of the fourth spring, so that the stamp block can fit with the sponge block for paint adhesion, thereby ensuring the clarity of each imprint. Furthermore, since several lifting support pieces are equidistantly arranged, each imprint of the stamp block can be connected with the previous one, thereby ensuring the accuracy of the scale line.

[0018] (3) The sampling device for geological exploration has a stop frame at the front and rear of the concave frame, and a positioning block and an L-shaped rotating block are set on the inner side of the stop frame. It is used in conjunction with the inclined side plate and the L-shaped top rod. After the first ring frame rises to the top, the inclined side plate will first squeeze back the straight rod to make the stamp block move away from the storage box. Then the L-shaped top rod will push the bottom pull rod to make the L-shaped rotating block and the storage box rise. When the L-shaped rotating block loses the stop frame, it can drive the storage box to flip and tilt, which makes it convenient for the staff to clean and replace the sponge block and the stamp block, and improves the convenience of equipment maintenance. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 A magnified view of a section at point A in the middle;

[0021] Figure 3 This is a cross-sectional view of the sampling cylinder structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the rectangular opening, lifting rod, and second disc structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the base plate, cylinder, and first ring frame structure of the present invention;

[0024] Figure 6 This is a schematic diagram of the inclined side plate, L-shaped top rod, and flat support plate structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the scale printing mechanism structure of the present invention;

[0026] Figure 8 This is a schematic diagram of the structure of the second slide, the first I-beam, and the second I-beam of the present invention;

[0027] Figure 9 For the present invention Figure 8A magnified view of a section at point B in the middle;

[0028] Figure 10 For the present invention Figure 8 A magnified view of a section at point C;

[0029] Figure 11 This is a schematic diagram of the return frame, vertical sliding column, and concave frame structure of the present invention;

[0030] Figure 12 This is a schematic diagram of the positioning insert, L-shaped rotating block, and storage box structure of the present invention;

[0031] Figure 13 This is a schematic diagram of the first fixing strip, the second fixing strip, and the tooth block structure of the present invention;

[0032] Figure 14 This is a schematic diagram of the bow-shaped guide groove, pull-back straight rod, and fourth spring structure of the present invention.

[0033] In the diagram: 1. Geological sampling mechanism; 2. Scale imprinting mechanism; 101. Base plate; 102. Cylinder; 103. First ring frame; 104. Motor; 105. Sampling cylinder; 106. Side groove; 107. Orientation rod; 108. First disc; 109. First spring; 110. Annular plate; 111. Rotating rod; 112. Retraction groove; 113. First sliding rod; 114. U-shaped support frame; 115. Second spring; 116. Rectangular opening; 117. Lifting rod; 118. Second disc; 119. Arc-shaped pressure block; 120. First sliding cylinder; 121. Lifting rod; 122. Sloping side plate; 123. L-shaped top rod; 124. Flat support plate; 125. Second ring frame; 201. Retractable frame; 202. Vertical sliding column; 20 3. Second slide cylinder; 204. First I-beam plate; 205. Second slide rod; 206. Second I-beam plate; 207. Third spring; 208. Pull-back groove; 209. Lifting support plate; 210. Arc pressure top plate; 211. Inclined pressure plate; 212. Concave frame; 213. Slide groove opening; 214. Inner groove slide frame; 215. Stamp block; 216. Gear; 217. First fixed bar; 218. Second fixed bar; 219. Tooth block; 220. Bow-shaped guide groove; 221. Pull-back straight rod; 222. Fourth spring; 223. Stop frame; 224. Positioning block; 225. L-shaped rotating block; 226. Storage box; 227. Sponge block; 228. Liquid injection pipe; 229. Bottom pull rod; 230. Fifth spring; 231. Rotating rod block. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figures 1-14 The present invention provides a technical solution: a sampling device for geological exploration, comprising a geological sampling mechanism 1 and a scale imprinting mechanism 2;

[0036] Please refer to Figure 3 , Figure 4 , Figure 5 and Figure 6 The diagram illustrates the overall structure of the geological sampling mechanism 1. The mechanism includes a base plate 101, with a cylinder 102 fixedly connected to the top of the base plate 101. A first ring frame 103 and a second ring frame 125 are respectively mounted on the surface of the cylinder 102. A sampling cylinder 105 is rotatably connected to the inner side of the second ring frame 125. A motor 104 is fixedly connected to the inner side of the first ring frame 103. The motor 104 is a servo motor, capable of precisely controlling the number of rotations and angle through a PLC control system. The output of the motor 104... A rotating rod 111 is fixedly connected to the shaft via a coupling. The bottom end of the rotating rod 111 is fixedly connected to the top of the sampling cylinder 105. Side grooves 106 are provided on both sides of the sampling cylinder 105. A directional rod 107 is slidably installed on the front and rear sides of the top of the sampling cylinder 105 through openings. A first disc 108 is fixedly connected between the bottom ends of the two directional rods 107. An annular plate 110 is fixedly connected between the top ends of the two directional rods 107. A first spring 109 is sleeved on the surface of the directional rod 107.

[0037] Both sides of the first disc 108 are provided with retraction grooves 112. A first sliding rod 113 is fixedly connected to the opposite side of the inner cavity of each of the two retraction grooves 112. A U-shaped support frame 114, which cooperates with the retraction groove 112, is slidably mounted on the surface of the first sliding rod 113. A second spring 115 is sleeved on the surface of the first sliding rod 113. A rectangular opening 116 is provided at the bottom of the inner cavity of the retraction groove 112. A lifting rod 117 is slidably mounted on the front and rear sides of the top of the first disc 108 through openings. A second spring 115 is fixedly connected to the bottom end of the lifting rod 117. The top of the second disc 118 is fixedly connected to two sides of an arc-shaped pressure block 119 that cooperates with the rectangular opening 116 and the U-shaped support frame 114. The top of the bottom plate 101 is fixedly connected to two sides of a first slide cylinder 120 via a bracket. A lifting rod 121 is slidably installed on the inner side of the first slide cylinder 120. The bottom end of the lifting rod 121 is fixedly connected to a sloping side plate 122 via a bracket. An L-shaped top rod 123 is fixedly connected to one side of each of the two sloping side plates 122. A flat support plate 124 is fixedly connected to the top end of the lifting rod 121.

[0038] In use, the paint is first injected into the storage box 226 through the injection pipe 228, and then the paint is used to wet the sponge block 227. The device is then moved to the sampling position and the cylinder 102 and motor 104 are started. The motor 104 starts by rotating the sampling cylinder 105 using the rotating rod 111. The cylinder 102 then uses the first ring frame 103 and the second ring frame 125 to push the sampling cylinder 105 down. The descent of the second ring frame 125 no longer supports the flat support plate 124, causing the inclined side plate 122 and the L-shaped top rod 123 to descend within the limit of the lifting rod 121. After the L-shaped top rod 123 descends, it no longer presses against the bottom pull rod 229, causing the bottom pull rod 229 to pull the positioning block 224 back to the inside of the blocking frame 223 under the elastic force of the fifth spring 230. At the same time, the L-shaped rotating block 225 is compressed by the blocking frame 223. The dynamic storage box 226 flips to a vertical position. As the inclined side plate 122 descends, it no longer presses against the pull-back rod 221. At this time, the pull-back rod 221 pulls the stamp block 215 and the sponge block 227 together through the fourth spring 222. Then, the paint adheres to the surface of the stamp block 215. As the sampling cylinder 105 descends, rock core sampling is performed. After the rock core column enters the sampling cylinder 105, it will first squeeze the second disc 118 and rise in the limit of the lifting rod 117, so that the arc-shaped pressure block 119 passes through the rectangular opening 116 and squeezes the U-shaped support frame 114. The two U-shaped support frames 114 extend from the inside of the retraction groove 112 through the guide of the first slide rod 113 and extend through the side groove 106 to the outside of the sampling cylinder 105. Since the sampling cylinder 105 always descends and rotates to sample, the first disc 108 remains relatively stationary on the ground under the guidance of the directional rod 107.

[0039] Please refer to Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 The diagram illustrates the overall structure of the scale printing mechanism 2. The scale printing mechanism 2 includes two return frames 201, which are respectively installed on both sides of the top of the base plate 101. An arc-pressed top plate 210 is fixedly connected to the top of the return frames 201 via a fixing plate. A vertical sliding column 202 is fixedly connected to the bottom of the arc-pressed top plate 210. A second sliding cylinder 203 is slidably mounted on the surface of the vertical sliding column 202. A first I-beam plate 204 is fixedly connected to the side of the second sliding cylinder 203 closest to the sampling cylinder 105. A second sliding rod 205 is fixedly connected to the side away from the sampling cylinder 105. A second I-shaped plate 206 is slidably installed on the surface of the second sliding rod 205. A pull-back groove 208 is opened on one side of the first I-shaped plate 204, and several pull-back grooves 208 are evenly arranged. A lifting support piece 209 that cooperates with the pull-back groove 208 is fixedly connected to one side of the second I-shaped plate 206. A third spring 207 is sleeved on the surface of the second sliding rod 205. An inclined pressure plate 211 is fixedly connected to the bottom end of the second I-shaped plate 206.

[0040] A concave frame 212 is fixedly connected to the side of the rack 201 near the sampling cylinder 105 via a bracket. The concave frame 212 has sliding grooves 213 at both the front and rear. An inner groove slide 214 is slidably installed between the inner sides of the two sliding grooves 213. A rotating rod block 231 is rotatably connected to the inner side of the inner groove slide 214. A stamp block 215 is fixedly connected to the top of the rotating rod block 231. The stamp block 215 has a centimeter-level graduation groove on one side. A gear 216 is fixedly connected to the bottom of the rotating rod block 231. The bottom of the gear 216 has a... There is an arc-shaped guide groove 220. The bottom of the concave frame 212 is fixedly connected to the first fixed bar 217 and the second fixed bar 218, which are used in conjunction with the arc-shaped guide groove 220. The rear part of the concave frame 212 is provided with a tooth block 219 that is used in conjunction with the gear 216. The side of the concave frame 212 away from the sampling cylinder 105 is slidably installed with a pull-back rod 221 through an opening. One end of the pull-back rod 221 is fixedly connected to the inner groove slide 214. A fourth spring 222 is sleeved on the surface of the pull-back rod 221.

[0041] The front and rear of the concave frame 212 are fixedly connected to the stop frame 223. The inner side of the stop frame 223 is slidably installed with the positioning block 224. The inner side of the positioning block 224 is rotatably connected with the L-shaped rotating block 225 through the rotating part. The storage box 226 is fixedly connected between the two L-shaped rotating blocks 225 on the same side. The inner side of the storage box 226 is provided with the sponge block 227. The top of the storage box 226 is fixedly connected with the liquid injection tube 228 through the opening. The bottom of the stop frame 223 is slidably installed with the bottom pull rod 229 through the opening. The top of the bottom pull rod 229 is fixedly connected with the bottom of the positioning block 224. The surface of the bottom pull rod 229 is sleeved with the fifth spring 230.

[0042] After sampling is completed, the motor 104, through the PLC control system, rotates the sampling cylinder 105 back to its initial state, positioning the side grooves 106 on both sides. Then, the cylinder 102 pulls the sampling cylinder 105 upward. During the upward movement, the U-shaped support frame 114 first passes through the concave frame 212 and then contacts the bottom lifting support piece 209. After the U-shaped support frame 114 contacts the lifting support piece 209, it supports the second I-beam plate 206 and the first I-beam plate 204, which rise synchronously under the limiting action of the second slide cylinder 203. At this time, the two inclined pressure plates 211, pulled by the second I-beam plate 206, squeeze the inner groove slide 214. After the inner groove slide 214 is squeezed, it moves towards the sampling cylinder 105. The arc-shaped guide groove 220 first separates from the second fixed bar 218 and then... Engaging with the toothed block 219, as the inner groove slide 214 continues to push, the gear 216 drives the stamp block 215 to rotate 180 degrees toward the sampling cylinder 105. After the rotation is completed, the bow-shaped guide groove 220 connects with the first fixed strip 217. Then, the inner groove slide 214 pushes the two stamp blocks 215 through the side groove 106 to imprint the two sides of the core column, so that the two sides of the core column are imprinted with scale lines. Whenever the U-shaped support frame 114 lifts the first I-shaped plate 204 a certain distance, the arc pressure top plate 210 will squeeze the second I-shaped plate 206, so that the second I-shaped plate 206, under the guidance of the second slide rod 205, pulls the lifting support piece 209 out from the inside of the pull-back groove 208. At this time, the lifting support piece 209 separates from the U-shaped support frame 114, and then the first I-shaped plate 204 and The second I-beam plate 206 descends again, and the inclined pressure plate 211 no longer supports the inner groove slide 214. At this time, the pull-back straight rod 221, through the elastic force of the fourth spring 222, pulls the stamp block 215 back to separate from the core column. Then, it first separates from the first fixing strip 217, and finally reconnects with the second fixing strip 218 through the reverse rotation of the toothed block 219. After the stamp block 215 is completely reset, the side with the scale groove contacts the sponge block 227 again to adhere the paint. As the U-shaped support frame 114 continuously contacts and supports several lifting support pieces 209, the stamp block 215 continuously contacts both sides of the core column to make imprints, forming a continuous and complete scale line. After the sampling cylinder 105 rises completely to the top, the second ring frame 125 supports two flat... The pallet 124 pulls the lifting rod 121, causing the inclined side plate 122 and the L-shaped top rod 123 to rise synchronously. First, the inclined side plate 122 will squeeze the fourth spring 222 to push the stamp block 215 and the sponge block 227 apart. Then, the L-shaped top rod 123 will squeeze the bottom pull rod 229 to push the positioning insert 224 out from the inside of the blocking insert frame 223. At this time, the L-shaped rotating block 225 loses its limit, and then the storage box 226 will tilt and flip by its own weight, exposing the sponge block 227. Then, the sponge block 227 and the stamp block 215 will be cleaned and replaced. Then, the ring plate 110 will be manually pressed to push the core column out from the inside of the sampling cylinder 105 using the first disc 108. As the core column is pushed out, the broken core column will separate. The broken core column will be placed in the box.The depth of each core segment is quickly determined based on the scale lines. After the core is discharged, the second disc 118 is no longer compressed, allowing it to descend. This causes the two U-shaped support frames 114 to retract into the retraction groove 112, preventing them from contacting the lifting support plate 209. Then, the entire first disc 108 slides back to the bottom, completing the sampling of the geological exploration core.

[0043] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A sampling device for geological exploration, comprising a geological sampling mechanism (1) and a scale imprinting mechanism (2), characterized in that: The geological sampling mechanism (1) includes a base plate (101), a cylinder (102) is fixedly connected to the top of the base plate (101), a first ring frame (103) and a second ring frame (125) are respectively installed on the surface of the cylinder (102), a sampling cylinder (105) is rotatably connected to the inner side of the second ring frame (125), a motor (104) is fixedly connected to the inner side of the first ring frame (103), and a rotating rod (111) is fixedly connected to the output shaft of the motor (104) through a coupling. The bottom end of 11) is fixedly connected to the top of the sampling tube (105). Side grooves (106) are provided on both sides of the sampling tube (105). An directional rod (107) is slidably installed on the front and rear sides of the top of the sampling tube (105) through openings. A first disc (108) is fixedly connected between the bottom ends of the two directional rods (107). An annular plate (110) is fixedly connected between the top ends of the two directional rods (107). A first spring (109) is sleeved on the surface of the directional rod (107). Both sides of the first disc (108) are provided with retraction grooves (112). The inner cavities of the two retraction grooves (112) are fixedly connected to the opposite side of the first slide rod (113). The surface of the first slide rod (113) is slidably mounted with a U-shaped support frame (114) that cooperates with the retraction groove (112). The surface of the first slide rod (113) is sleeved with a second spring (115). The bottom of the inner cavity of the retraction groove (112) is provided with a rectangular opening (116). The front and rear sides of the top of the first disc (108) are slidably mounted with lifting rods (117) through openings. The bottom end of the lifting rod (117) is fixedly connected to a second disc (118). Both sides of the top of the second disc (118) are fixedly connected with arc-shaped pressure blocks (119) that cooperate with the rectangular opening (116) and the U-shaped support frame (114). The scale imprinting mechanism (2) includes two return frames (201), which are respectively installed on both sides of the top of the base plate (101). The top of the return frame (201) is fixedly connected to an arc pressure plate (210) through a fixing plate. The bottom of the arc pressure plate (210) is fixedly connected to a vertical sliding column (202). A second sliding cylinder (203) is slidably installed on the surface of the vertical sliding column (202). A first I-shaped plate (204) is fixedly connected to the side of the second sliding cylinder (203) near the sampling cylinder (105). The first I-shaped plate (204) is away from the sampling cylinder. A second slide rod (205) is fixedly connected to one side of (105). A second I-shaped plate (206) is slidably installed on the surface of the second slide rod (205). A pull-back groove (208) is opened on one side of the first I-shaped plate (204), and several pull-back grooves (208) are equidistantly arranged. A lifting support plate (209) that cooperates with the pull-back groove (208) is fixedly connected to one side of the second I-shaped plate (206). A third spring (207) is sleeved on the surface of the second slide rod (205). An inclined pressure plate (211) is fixedly connected to the bottom end of the second I-shaped plate (206). The concave frame (212) is fixedly connected to the side of the sampling tube (105) of the concave frame (201) by a bracket. The front and rear of the concave frame (212) are provided with sliding grooves (213). An inner groove slide (214) is slidably installed between the inner sides of the two sliding grooves (213). A rotating rod block (231) is rotatably connected to the inner side of the inner groove slide (214). A stamp block (215) is fixedly connected to the top of the rotating rod block (231). A gear (216) is fixedly connected to the bottom of the rotating rod block (231). An arc-shaped guide groove (220) is provided at the bottom of the gear (216).

2. The sampling device for geological exploration according to claim 1, characterized in that: The top two sides of the base plate (101) are fixedly connected to the first slide cylinder (120) by brackets. The inner side of the first slide cylinder (120) is slidably installed with a lifting rod (121). The bottom end of the lifting rod (121) is fixedly connected to the inclined side plate (122) by brackets. The two inclined side plates (122) are fixedly connected to the opposite side of each other with an L-shaped top rod (123). The top end of the lifting rod (121) is fixedly connected to a flat support plate (124).

3. A sampling device for geological exploration according to claim 2, characterized in that: The bottom of the concave frame (212) is fixedly connected to the two sides of the bottom of the cavity, and the first fixed bar (217) and the second fixed bar (218) are used to cooperate with the bow-shaped guide groove (220). The rear part of the cavity of the concave frame (212) is provided with a toothed block (219) used to cooperate with the gear (216). The side of the concave frame (212) away from the sampling cylinder (105) is slidably installed with a pull-back rod (221) through an opening, and one end of the pull-back rod (221) is fixedly connected to the inner groove slide (214). The surface of the pull-back rod (221) is fitted with a fourth spring (222).

4. A sampling device for geological exploration according to claim 3, characterized in that: The front and rear of the concave frame (212) are fixedly connected with a stop frame (223). A positioning block (224) is slidably installed on the inner side of the stop frame (223). An L-shaped rotating block (225) is rotatably connected to the inner side of the positioning block (224) through a rotating component. A storage box (226) is fixedly connected between the two L-shaped rotating blocks (225) on the same side. A sponge block (227) is provided on the inner side of the storage box (226). An injection tube (228) is fixedly connected to the top of the storage box (226) through an opening.

5. A sampling device for geological exploration according to claim 4, characterized in that: The bottom of the stop frame (223) is slidably mounted with a bottom pull rod (229) through an opening, and the top of the bottom pull rod (229) is fixedly connected to the bottom of the positioning block (224). A fifth spring (230) is sleeved on the surface of the bottom pull rod (229).

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