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CN-121993193-A - Soil sample collection device in exploratory well and working method thereof

CN121993193ACN 121993193 ACN121993193 ACN 121993193ACN-121993193-A

Abstract

The invention discloses a device for collecting soil samples in a exploratory well and a working method thereof, which belong to the technical field of geotechnical engineering exploration, and aim to solve the problem of harm existing in the prior art of geological sampling of an artificial exploratory well, the device for collecting the soil samples in the exploratory well comprises a side cutting tool assembly (1), a side cutting tool rest (2) and a first advancing and retreating driving mechanism (3) which are sequentially connected, A plurality of side cutting tool assemblies (1) enclose a soil sample collection accommodating cavity (17), the soil sample collection accommodating cavity (17) is positioned in front of the side cutting tool rest (2), and the first driving and reversing driving mechanism (3) can drive the side cutting tool assemblies (1) and the side cutting tool rest (2) to move back and forth. The soil sample collection device in the exploratory well can replace personnel to go into the exploratory well to collect the soil sample, so that harm to sampling personnel can be reduced, disturbance of automatic mechanical equipment to the soil sample during soil sample collection can be furthest reduced, and consistency and stability of samples are ensured.

Inventors

  • LUO JIANWEN
  • LUO WEN
  • Zeng Farong
  • ZHANG FENGXI
  • FANG YAHONG
  • SU JIAN
  • ZHANG XI
  • HE JUN
  • ZHU GUOCHENG
  • WU JUN
  • HOU DAYONG
  • LIU JING
  • LI YANFANG
  • GENG SHENGMING
  • LI XIAOFEI

Assignees

  • 长庆工程设计有限公司
  • 中国石油天然气集团有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (10)

  1. 1. The utility model provides a soil sample collection system in exploratory well, its characterized in that, soil sample collection system in exploratory well is including side cutting tool assembly (1), side cutting tool rest (2) and first advance and retreat actuating mechanism (3) that connect gradually, and soil sample collection holds cavity (17) for a plurality of side cutting tool assemblies (1), and soil sample collection holds cavity (17) and is located the place ahead of side cutting tool rest (2), and first advance and retreat actuating mechanism (3) can drive side cutting tool assembly (1) and side cutting tool rest (2) back-and-forth movement.
  2. 2. The device for collecting soil samples in an exploratory well according to claim 1, wherein the plurality of side cutter assemblies (1) comprise an upper cutter assembly (11), a left cutter assembly (12), a lower cutter assembly (13) and a right cutter assembly (14) which are sequentially arranged, the upper cutter assembly (11) can cut the upper side of a soil sample part (9) to be collected into an upper groove (91), the left cutter assembly (12) can cut the left side of the soil sample part (9) to be collected into a left groove (92), the lower cutter assembly (13) can cut the lower side of the soil sample part (9) to be collected into a lower groove (93), the right cutter assembly (14) can cut the right side of the soil sample part (9) to be collected into a right groove (94), and the soil sample collecting and accommodating cavity (17) is of a cubic structure.
  3. 3. The soil sample collection device according to claim 2, wherein the upper cutter assembly (11) comprises a plurality of upper cutter units (111) arranged at intervals in the left-right direction, the left cutter assembly (12) comprises a plurality of left cutter units (121) arranged at intervals in the up-down direction, the lower cutter assembly (13) comprises a plurality of lower cutter units (131) arranged at intervals in the left-right direction, and the right cutter assembly (14) comprises a plurality of right cutter units (141) arranged at intervals in the up-down direction.
  4. 4. A soil sample collection device in a well according to claim 3, wherein the upper cutting unit (111), the left cutting unit (121), the lower cutting unit (131) and the right cutting unit (141) each comprise a first rotary cutting tool (15) and a first tool motor (16) which are connected back and forth, the axis of the first rotary cutting tool (15) extends in the back and forth direction, and the first tool motor (16) is connected with the side cutting tool rest (2).
  5. 5. The soil sample collection device in the exploratory well according to claim 1, further comprising a frame (4), wherein the frame (4) comprises a middle bearing plate (42), the middle bearing plate (42) is in a horizontal state, the side cutting tool rest (2) comprises a bearing vertical plate (21) and a bearing horizontal plate (22) which are connected up and down, the bearing vertical plate (21) is perpendicular to the front-back direction, the side cutting tool assembly (1) is connected with the bearing vertical plate (21), and the bearing horizontal plate (22) and the middle bearing plate (42) are connected in an up-down lamination mode.
  6. 6. The soil sample collection device in a exploratory well according to claim 5, wherein a first slide rail (421) is arranged on the upper surface of the middle bearing plate (42), a first slide rail is arranged on the lower surface of the bearing transverse plate (22), the first slide rail is connected with the first slide rail (421) in a matched mode, first racks (221) are arranged at the left end and the right end of the bearing transverse plate (22), the first racks (221) extend along the front-back direction, the first driving mechanism (3) comprises a first driving motor (31) and a first gear which are sequentially connected, the first gear is meshed with the first racks (221), and the first driving motor (31) is fixedly connected with the middle bearing plate (42).
  7. 7. The soil sample collection device in a exploratory well according to claim 5, wherein a holding beam (43), a root cutter assembly (6), a root cutter frame (7) and a second driving and reversing mechanism (8) are arranged below the middle bearing plate (42), the two holding beams (43) are connected and fixed with the middle bearing plate (42), the two holding beams (43) are arranged at intervals left and right, the two holding beams (43) extend in the front-back direction, the root cutter frame (7) comprises two cutter frame longitudinal rods (71) which are arranged at intervals left and right, the two cutter frame longitudinal rods (71) are connected and fixed through a cutter frame transverse rod (72), the inner side surface of the holding beam (43) is provided with a second slide way (431) and a second rack (432), the outer side surface of the cutter frame longitudinal rod (71) is provided with a second slide way, the second slide way and the second slide way (431) are correspondingly connected, the second rack (432) extends in the front-back direction, the second driving and reversing mechanism (8) can enable the root cutter assembly (6) and the second cutter frame (7) to be meshed with the second cutter (81) in sequence, the second driving and reversing mechanism (81) is connected with the second cutter frame (81), the root cutting tool assembly (6) comprises a second rotary cutting tool (61) and a second tool driving mechanism which are sequentially connected, the second rotary cutting tool (61) is of a strip-shaped structure, two ends of the second rotary cutting tool (61) are respectively connected with the front ends of two tool rest longitudinal rods (71), and the root (95) of a to-be-sampled soil sample part (9) can be cut off by the second rotary cutting tool (61).
  8. 8. The soil sample collection device in a exploratory well according to claim 7, further comprising a lifting mechanism (44), wherein the lifting mechanism (44) can enable the side cutting tool assembly (1), the side cutting tool rest (2), the first driving and reversing driving mechanism (3), the middle bearing plate (42), the holding beam (43), the root cutting tool assembly (6), the root cutting tool rest (7) and the second driving and reversing driving mechanism (8) to move up and down, the frame (4) further comprises an upper bearing plate (41), a lower bearing plate (45) and a guide rod (46), the upper bearing plate (41), the middle bearing plate (42) and the lower bearing plate (45) are sequentially arranged at intervals from top to bottom, the guide rod (46) is in an upright state, and the guide rod (46) sequentially comprises the upper bearing plate (41), the middle bearing plate (42) and the lower bearing plate (45).
  9. 9. The soil sample collection device in a exploratory well according to claim 8, wherein the holding beam (43) and the lifting mechanism (44) are located between the middle bearing plate (42) and the lower bearing plate (45), the holding beam (43) and the lifting mechanism (44) are arranged up and down, the soil sample collection mechanism (5) is arranged between the holding beam (43) and the lifting mechanism (44), the lifting mechanism (44) can further enable the soil sample collection mechanism (5) to move up and down, the soil sample collection mechanism (5) comprises side vertical plates (51) which are arranged at intervals left and right, the two side vertical plates (51) are connected through a connecting transverse plate (52), a soil sampling transverse plate (53) and a third advancing and retreating driving mechanism (54) are arranged between the two side vertical plates (51), the two side vertical plates (51) and the soil sampling transverse plate (53) can enclose a soil sample storage accommodating cavity (55), the inner side surfaces of the two side vertical plates (51) are respectively provided with a third slide way (56), the third slide way (56) extends along the front and rear direction, and the two side vertical plates (53) are correspondingly connected with the third transverse plates (54) in a right-advancing and retreating driving mode, and retreating mode can be driven by the third transverse plates (53) to move in a corresponding mode.
  10. 10. A method of operating a soil sample collection device in a well as claimed in claim 9, comprising the steps of, in sequence: step 1, hanging the soil sample collection device in the exploratory well into the exploratory well, and fixing the soil sample collection device in the exploratory well at a target position; Step 2, aligning a soil sample collecting and accommodating cavity (17) with a soil sample part (9) to be collected, enabling a side cutting tool assembly (1) and a side cutting tool rest (2) to move forwards by a first driving mechanism (3), cutting an upper groove (91) on the upper side of the soil sample part (9) to be collected by an upper cutting tool assembly (11), cutting a left groove (92) on the left side of the soil sample part (9) to be collected by a left cutting tool assembly (12), cutting a lower groove (93) on the lower side of the soil sample part (9) to be collected by a lower cutting tool assembly (13), and cutting a right groove (94) on the right side of the soil sample part (9) to be collected by a right cutting tool assembly (14); step 3, the first driving and reversing mechanism (3) enables the side cutting tool assembly (1) and the side cutting tool rest (2) to move backwards and withdraw to the outside of the soil sample to be sampled (9); Step 4, a second advancing and retreating driving mechanism (8) enables a root cutter assembly (6) and a root cutter frame (7) to move forwards until the root cutter assembly (6) is positioned below a root (95) of a soil sample part (9) to be sampled, a lifting mechanism (44) enables the root cutter assembly (6) and the root cutter frame (7) to move upwards, a second rotary cutter (61) cuts the root (95) of the soil sample part (9) to be sampled, the soil sample part (9) to be sampled forms a sampling soil block (96), the root cutter assembly (6) is positioned above the root (95) of the soil sample part (9) to be sampled, and the second advancing and retreating driving mechanism (8) enables the root cutter assembly (6) and the root cutter frame (7) to move backwards and withdraw outside the soil sample part (9) to be sampled; And 5, aligning the soil sampling transverse plate (53) below the soil sampling block (96), enabling the soil sampling transverse plate (53) to move forwards by the third driving and reversing mechanism (54), transferring the soil sampling block (96) onto the soil sampling transverse plate (53), enabling the soil sampling transverse plate (53) to move backwards by the third driving and reversing mechanism (54) and withdraw from the soil sampling position (9), and enabling the soil sampling block (96) to be positioned in the soil sample storage and accommodation cavity (55).

Description

Soil sample collection device in exploratory well and working method thereof Technical Field The invention relates to the technical field of geotechnical engineering exploration, in particular to a device for collecting soil samples in a exploratory well and a working method of the device for collecting the soil samples in the exploratory well. Background According to the related requirements, geotechnical engineering investigation is required to be carried out on various construction projects before design and construction, and excavation exploratory well geological sampling is required. At present, most of the well-forming of the exploratory well is formed by manually underground excavation, at present, the soil property field comprises collapsible loess fields, the high-sand-content easily-collapsed loess fields, the high-humus-oxygen-content easily-choked loess fields and the easily-aggregated harmful gas loess fields of the oil-gas field expanding and building station are increased, so that part of loess fields cannot be excavated and sampled manually, I-level loess samples are taken from the exploratory well for manually cutting walls of the exploratory well, original soil sample blocks are irregularly and easily disturbed, and a plurality of problems are brought to the operation of the next working procedure and the accuracy of soil sample test data. Disclosure of Invention In order to solve the problem that the geological sampling of the artificial exploratory well is harmful, the invention provides the soil sample collecting device in the exploratory well and the working method, and the kettle-type reactor can replace personnel to drop into the exploratory well for collecting the soil sample by the soil sample collecting device in the exploratory well, so that the harm to sampling personnel can be reduced, the disturbance of automatic mechanical equipment on the soil sample during the soil sample collection can be furthest reduced, and the consistency and the stability of the sample are ensured. The technical scheme adopted for solving the technical problems is as follows: the utility model provides a soil sample collection system in exploratory well, includes side cutting tool subassembly, side cutting knife rest and the first advance and retreat actuating mechanism that connects gradually, and a plurality of side cutting tool subassemblies enclose into soil sample collection and hold the cavity, and soil sample collection holds the place ahead that the cavity is located side cutting knife rest, and first advance and retreat actuating mechanism can drive side cutting tool subassembly and side cutting knife rest back and forth movement. The working method of the soil sample collection device in the exploratory well comprises the following steps in sequence: step 1, hanging the soil sample collection device in the exploratory well into the exploratory well, and fixing the soil sample collection device in the exploratory well at a target position; Step 2, aligning a soil sample collecting and accommodating cavity with a soil sample part to be collected, enabling a side cutting tool assembly and a side cutting tool rest to move forwards by a first driving mechanism, enabling an upper cutting tool assembly to cut an upper groove on the upper side of the soil sample part to be collected, enabling a left cutting tool assembly to cut a left groove on the left side of the soil sample part to be collected, enabling a lower cutting tool assembly to cut a lower groove on the lower side of the soil sample part to be collected, and enabling a right cutting tool assembly to cut a right groove on the right side of the soil sample part to be collected; step 3, the first driving and reversing mechanism enables the side cutting tool assembly and the side cutting tool rest to move backwards and withdraw to the outside of the soil sample to be sampled; Step 4, the root cutting tool assembly and the root cutting tool frame move forwards by the second driving mechanism until the root cutting tool assembly is positioned below the root of the soil sample to be sampled, the root cutting tool assembly and the root cutting tool frame move upwards by the lifting mechanism, the root of the soil sample to be sampled is cut off by the second rotary cutting tool, the soil sample to be sampled forms sampling soil blocks, the root cutting tool assembly is positioned above the root of the soil sample to be sampled, and the root cutting tool assembly and the root cutting tool frame move backwards and are withdrawn outside the soil sample to be sampled by the second driving mechanism; and 5, aligning the soil sampling diaphragm to the lower part of the sampling soil block, enabling the soil sampling diaphragm to move forwards by a third driving mechanism, transferring the sampling soil block to the soil sampling diaphragm, and enabling the soil sampling diaphragm to move backwards by the third driving mechanism to withdraw until the s