Rock core sampling equipment for geological exploration
By using a threadless quick-release structure and a motor-driven sampling device, the problems of thread corrosion and jamming in traditional core sampling equipment during field operations have been solved, enabling efficient and convenient core sampling operations and vertical sampling.
Patent Information
- Application Number
- CN202520446210.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Traditional core sampling equipment is prone to rust and jamming in the threaded connections during field operations, which makes operation difficult, time-consuming and labor-intensive, and makes it difficult to maintain sampling verticality.
The sampling cylinder features a threadless quick-release structure. It can be installed and disassembled with one hand by using a docking ring and a limiting component. The motor-driven screw adjusts the sampling depth and vibration assists sampling. The cross limit rod and bubble level ensure that the equipment is level.
It improves the efficiency of field operations, simplifies the process of replacing and installing sampling tubes, ensures sampling verticality and accurate depth, and reduces the intensity of manual operation.
Smart Images

Figure CN223910549U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sampling equipment technical field, concretely is a core sampling equipment for geological survey. BACKGROUND
[0002] In the field of geological survey, the core sampling equipment is the key tool for obtaining the underground core sample. The traditional core sampling equipment usually includes a drill rod, a driving motor, a sampling cylinder and a fixing structure. In the prior art, the fixing mode of the sampling cylinder is usually screw connection or bolt fastening, which directly screws the sampling cylinder on the end of the drill rod or the fixing seat. However, the screw connection needs to be screwed repeatedly, especially in the field operation environment, the rock debris, mud and the like can cause the screw thread to rust or jam, and it is difficult to operate manually, and it is often necessary to use a wrench and the like, which is time-consuming and labor-consuming.
[0003] Therefore, the utility model provides a core sampling equipment for geological survey. CONTENT OF THE UTILITY MODEL
[0004] In view of the defects of the prior art, the utility model provides a core sampling equipment for geological survey, which solves the problems in the above background.
[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a core sampling equipment for geological survey, comprising a base, a support and a sampling assembly, the support is fixedly connected to the top of the base, and the sampling assembly is arranged on the surface of the support;
[0006] The upper surface of the base is fixedly connected with a cross limiting rod, a limiting hole is formed in the center of the cross limiting rod, the top of the support is rotatably connected with a handle disc, the sampling assembly comprises a horizontal rod arranged inside the support and adjustable up and down, the upper surface of one end of the horizontal rod is provided with a driving block, the bottom of the horizontal rod is rotatably connected with a butt joint ring, the output end of the driving block is fixedly connected with the butt joint ring, the bottom end of the butt joint ring is detachably connected with a sampling cylinder, and a limiting assembly for fixing the sampling cylinder is arranged on the side surface of the butt joint ring;
[0007] The side surface of the handle disc is fixedly connected with a mounting frame and cooperates with the sampling cylinder.
[0008] The utility model has the following beneficial effects:
[0009] The core sampling equipment for geological exploration, through cooperation of the butt joint ring and the limiting assembly, realizes a threadless quick release structure of the sampling cylinder, and one hand can complete installation and disassembly without tools, solves the problems of traditional thread connection jamming and corrosion, improves field operation efficiency, the groove on the mounting frame can place the sampling cylinder after sampling on the surface, and a standby sampling cylinder can be stored in advance, when the handle disc is rotated by 180 degrees, the standby sampling cylinder is close to the butt joint ring, the standby sampling cylinder is quickly connected with the butt joint ring, replacement of the sampling cylinder is completed, frequent bending to take and place is avoided, and the operation process is further optimized;
[0010] The core sampling equipment for geological exploration, the motor drives the screw rod in the base to rotate, thread transmission is used to control up and down movement of the cross rod, accurate adjustment of sampling depth is realized, manual operation strength is reduced, when samples in the sampling cylinder are relatively tight and difficult to take out, the driving block drives the sampling cylinder to sample, vibration of the equipment can make the core sample in the sampling cylinder generate downward force, so that the core sample is dropped and manual sampling is reduced.
[0011] The core sampling equipment for geological exploration, the cross limiting rod and the limiting hole provide guidance for the sampling cylinder and prevent shaking during drilling, the auxiliary rod is combined with the bubble level, horizontal calibration of the equipment is realized through the adjusting rod, complex terrains are adapted, and sampling perpendicularity is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0013] Figure 2 It is a support sectional view structure schematic view of the utility model;
[0014] Figure 3 It is a sampling cylinder three-dimensional structure schematic view of the utility model;
[0015] Figure 4 It is a three-dimensional structure schematic view of the utility model Figure 1 It is an enlarged structure schematic view of position A in the utility model;
[0016] Figure 5 It is an enlarged structure schematic view of position B in the utility model. Figure 2
[0017] 1, base; 2, support; 3, cross limiting rod; 4, limiting hole; 5, handle disc; 6, cross rod; 7, driving block; 8, butt joint ring; 9, sampling cylinder; 10, mounting frame; 11, fixed hole; 12, groove; 13, N-shaped rod; 14, spring; 15, limiting groove; 16, motor; 17, screw rod; 18, adjusting rod; 19, auxiliary rod; 20, bubble level; 21, blocking strip; 22, fastening rod; 23, positioning rod. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0019] Please refer to Figures 1 to 5 The utility model provides a geological survey with core sampling equipment, including base 1, support 2 and sampling assembly, support 2 is fixedly connected at the top of base 1, and sampling assembly is arranged on the surface of support 2.
[0020] The upper surface of base 1 is fixedly connected with cross limiting rod 3, and limiting hole 4 is formed in the center part of cross limiting rod 3, the top of support 2 is rotatably connected with handle disc 5, and sampling assembly includes horizontal rod 6 arranged in the inside of support 2 and adjustable up and down, the upper surface of one end of horizontal rod 6 is provided with driving block 7, the bottom of horizontal rod 6 is rotatably connected with docking ring 8, the output end of driving block 7 is fixedly connected with docking ring 8, and the bottom end of docking ring 8 is detachably connected with sampling cylinder 9, the side surface of docking ring 8 is provided with limiting assembly for fixing sampling cylinder 9, and handle disc 5 is fixedly connected with mounting rack 10 and cooperated with sampling cylinder 9.
[0021] As shown in Figures 1-2 The side surface of support 2 is provided with slide, and horizontal rod 6 is limited through the slide, and the two sides of slide are fixedly connected with brush layer, which is arranged to reduce the dust into the inside of slide when sampling cylinder 9 drills sample, and limiting hole 4 on the surface of cross limiting rod 3 can guide sampling cylinder 9, so as to conveniently keep sampling cylinder 9 in the vertical sampling state.
[0022] The lower surface of docking ring 8 is provided with clamping groove matched with the top of sampling cylinder 9, when sampling cylinder 9 is deeply inserted into the inside of clamping groove, it can be conveniently fixed under the action force of limiting assembly, and docking ring 8 and sampling cylinder 9 can be driven to rotate synchronously under the cooperation of driving block 7 (powered by motor or motor), so as to conveniently drill the core.
[0023] The upper surface of the top of mounting rack 10 is provided with fixed hole 11, the surface of bottom plate is provided with recess 12 for limiting sampling cylinder 9, and the side of bottom plate of mounting rack 10 is rotatably connected with blocking strip 21, and fastening rod 22 is screw-connected on the side surface of blocking strip 21.
[0024] In order to facilitate the sample inside the sampling cylinder 9 is taken out, the upper surface of the handle plate 5 is fixedly connected with a placing cylinder, a push rod is arranged in the inside of the placing cylinder, the diameter of the push rod is smaller than the fixed hole 11 and the sampling cylinder 9, when the sample inside the sampling cylinder 9 needs to be taken out, the push rod can be taken out, inserted from the top of the fixed hole 11, and then deeply inserted into the inside of the sampling cylinder 9, reciprocated up and down, the core sample inside the sampling cylinder 9 is taken out by gravity, when it is not applicable, it can be accommodated in the inside of the placing cylinder, a positioning shaft is threadedly connected at the top of the placing cylinder, by rotating, the bottom end of the positioning shaft is pressed against the push rod, so that the push rod is fixed, and the use according to the use scene is facilitated.
[0025] As shown in Figure 1 , when the sampling cylinder 9 is taken down and placed at the groove 12 of the bottom plate of the placing rack 10, the blocking strip 21 is rotated to be in the vertical state, then the fastening rod 22 is rotated to press and fasten the blocking strip 21.
[0026] The limiting assembly comprises an N-shaped rod 13 inserted on the surface of the butt joint ring 8, a spring 14 arranged in the inside of the butt joint ring 8 and sleeved on the surfaces of the two ends of the N-shaped rod 13, and a limiting groove 15 arranged on the top end surface of the sampling cylinder 9, the two ends of the N-shaped rod 13 penetrate through the inner side wall of the butt joint ring 8 and extend into the inside of the limiting groove 15; the inside of the base 1 is provided with a motor 16, the output end of the motor 16 is fixedly connected with a screw rod 17, the top end of the screw rod 17 extends to the inner top wall of the top end of the support column 2, the other end of the cross rod 6 extends to the inside of the support column 2 and is threadedly connected with the screw rod 17.
[0027] As shown in Figures 2-4 , when the sampling is completed and the sampling cylinder 9 is disassembled, the N-shaped rod 13 is pulled, at this time the spring 14 is compressed to the left end, the two ends of the N-shaped rod 13 move out of the inside of the limiting groove 15, the sampling cylinder 9 is taken out of the inside of the clamping groove, the N-shaped rod 13 is released, then moved to the groove 12 of the bottom plate of the placing rack 10, and then the blocking strip 21 is rotated to be limited;
[0028] Then, the handle plate 5 is rotated by 180°, so that the standby sampling cylinder is moved to the position of the butt joint ring 8, then the N-shaped rod 13 is pulled, the top end of the sampling cylinder is inserted into the inside of the clamping groove, the N-shaped rod 13 is released, under the action of the spring 14, the two ends of the N-shaped rod 13 automatically extend into the inside of the limiting groove 15 to be fixed.
[0029] In order to maintain the stability of the N-shaped rod 13, a knob rod (not shown in the figure) is threadedly connected on the surface of the N-shaped rod 13, the other end of the knob rod penetrates through the N-shaped rod 13 and extends into the inside of the butt joint ring 8, so as to maintain the stability of the use of the sampling cylinder.
[0030] Adjusting rods 18 are threaded to the four corners of the upper surface of the base 1. A turntable is fixedly connected to the top of the adjusting rods 18. A handle is provided at the edge of the upper surface of the adjusting turntable. An auxiliary rod 19 is fixedly connected to the bottom surface of the support column 2. The other end of the auxiliary rod 19 is fixedly connected to the upper surface of the base 1. A bubble level 20 is fixedly connected to the upper surface of the auxiliary rod 19. A positioning rod 23 is threaded to the outer wall of the top of the support column 2. The top of the positioning rod 23 extends into the auxiliary hole opened on the lower surface of the handle plate 5.
[0031] like Figure 1 As shown, the handle on the top of the hand turntable is rotated, which drives the adjusting rod 18 to move up and down. This, together with the bubble level 20, adjusts whether the base 1 is in a horizontal state, maintaining the accuracy of sampling. The auxiliary rod 19 can support the support column 2. Rotating the positioning rod 23 can move its top end into the auxiliary hole, which can prevent the hand disc 5 from rotating when drilling and sampling.
[0032] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.
[0033] In this invention, the working steps of the device are as follows:
[0034] In use, move the device to the location where sampling is required, align the limiting hole 4 with the area to be sampled, and, depending on the usage scenario, rotate the adjusting rod 18 in conjunction with the bubble level 20 to make the base 1 horizontal. Then, start the motor 16 to drive the screw 17 to rotate, which in turn drives the sampling cylinder 9 downward through the crossbar 6, passing through the limiting hole 4 and abutting against the ground. Next, start the drive block 7 to drive the sampling cylinder 9 to rotate. With the assistance of the motor 16, continue until the sampling cylinder 9 reaches the specified depth to complete the sample extraction. Then, the motor 16 flips, driving the sampling cylinder 9 upward until it approaches the docking ring 8. Then, pull the N-shaped rod 13 to disassemble the sampling cylinder 9 and place it in the groove 12 of the base plate of the mounting frame 10. Rotate the stop bar 21 to limit the position. Then, rotate the positioning rod 23 to move its top end out of the auxiliary hole. Hold the handle plate 5 and rotate it 180° to replace the spare sampling cylinder for continuous sampling.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A core sampling device for geological exploration, characterized by: Including base (1), support (2) and sampling assembly, support (2) is fixedly connected at the top of base (1), and sampling assembly is arranged on the surface of support (2); The upper surface of the base (1) is fixedly connected with a cross limiting rod (3), a limiting hole (4) is formed in the center of the cross limiting rod (3), the top of the support (2) is rotatably connected with a handle disc (5), the sampling assembly comprises a horizontal rod (6) arranged inside the support (2) and adjustable up and down, the upper surface of one end of the horizontal rod (6) is provided with a driving block (7), the bottom of the horizontal rod (6) is rotatably connected with a docking ring (8), the output end of the driving block (7) is fixedly connected with the docking ring (8), the bottom end of the docking ring (8) is detachably connected with a sampling cylinder (9), and the side surface of the docking ring (8) is provided with a limiting assembly for fixing the sampling cylinder (9). The side surface of the handle disc (5) is fixedly connected with a mounting rack (10) and cooperates with the sampling cylinder (9).
2. The core sampling device for geological exploration according to claim 1, characterized in that: The upper surface of the top of the mounting rack (10) is provided with a fixing hole (11), and the surface of the bottom plate is provided with a groove (12) for limiting the sampling cylinder (9).
3. The core sampling device for geological exploration according to claim 1, characterized in that: The limiting assembly comprises an N-shaped rod (13) inserted into the surface of the docking ring (8), a spring (14) arranged inside the docking ring (8) and sleeved on the surfaces of the two ends of the N-shaped rod (13), and a limiting groove (15) arranged on the top end surface of the sampling cylinder (9), both ends of the N-shaped rod (13) penetrate the inner side wall of the docking ring (8) and extend into the inside of the limiting groove (15).
4. The core sampling device for geological exploration according to claim 3, characterized in that: The inside of the base (1) is provided with a motor (16), the output end of the motor (16) is fixedly connected with a screw rod (17), the top end of the screw rod (17) extends to the inner top wall of the top end of the support (2), the other end of the horizontal rod (6) extends to the inside of the support (2) and is threadedly connected with the screw rod (17).
5. The core sampling device for geological exploration according to claim 4, characterized in that: The four corners of the upper surface of the base (1) are threadedly connected with an adjusting rod (18), the top end of the adjusting rod (18) is fixedly connected with a rotating disc, a handle is arranged at the edge of the upper surface of the adjusting disc, the surface of the bottom end of the support (2) is fixedly connected with an auxiliary rod (19), the other end of the auxiliary rod (19) is fixedly connected to the upper surface of the base (1), and the upper surface of the auxiliary rod (19) is fixedly connected with a bubble level (20).
6. The core sampling device for geological exploration according to claim 1, characterized in that: One side of the bottom plate of the mounting rack (10) is rotatably connected with a blocking strip (21), a fastening rod (22) is threadedly connected to the side surface of the blocking strip (21), the outer wall of the top end of the support (2) is threadedly connected with a positioning rod (23), and the top end of the positioning rod (23) extends into the auxiliary hole formed in the lower surface of the handle disc (5).