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CN-122016517-A - Rock-soil body in-situ shearing and water content density integrated detection device

CN122016517ACN 122016517 ACN122016517 ACN 122016517ACN-122016517-A

Abstract

The invention discloses an in-situ rock-soil mass shearing and water content density integrated detection device, which belongs to the technical field of geological investigation and comprises a probe rod and a cross plate shearing head arranged at the bottom end of the probe rod. According to the invention, the cross plate shearing head is arranged at the bottom end of the probe rod through the one-way connecting mechanism, the rotation of the cross plate shearing head can be controlled in one way by utilizing the acquisition driving mechanism, the rotation torque is synchronously detected to obtain the shear strength index of a rock-soil body, meanwhile, the sleeve is sleeved outside the probe rod, the position of the sleeve can be circumferentially limited after the probe rod penetrates into the target depth through the limiting plate arranged on the outer wall of the sleeve, the density probe and the water content probe are respectively and integrally arranged in the two groups of limiting plates, the two groups of limiting plates are matched with the lifting mechanism for use, the lifting mechanism can be triggered when the probe rod reversely rotates, the density probe and the water content probe are driven to extend out and be inserted into soil, the in-situ detection of the density and the water content is completed, and the functionality of the equipment is improved.

Inventors

  • WEN QINGJIE
  • ZHAO WENQIANG
  • GUO HAOSEN
  • ZENG CHUYUAN
  • CHENG YAN
  • YU YANG
  • ZHONG JIANMIN
  • YUAN SHENGCHAO
  • SHU XIANQIANG
  • ZHU JUNHUA
  • ZENG YANHUI

Assignees

  • 江西有色建设集团有限公司
  • 核工业华东建设工程集团有限公司
  • 华东交通大学

Dates

Publication Date
20260512
Application Date
20260327

Claims (10)

  1. 1. The rock-soil body in-situ shearing and water content density integrated detection device comprises a probe rod (1), a cross plate shearing head (2) arranged at the bottom end of the probe rod (1) and an acquisition driving mechanism (3) for driving the probe rod (1) to rotate and synchronously acquiring torque data in the rotating process; the method is characterized in that: A unidirectional connecting mechanism (4) is arranged between the bottom end of the probe rod (1) and the cross plate shearing head (2), when the probe rod (1) rotates positively, the unidirectional connecting mechanism (4) drives the cross plate shearing head (2) to rotate synchronously, and when the probe rod (1) rotates reversely, the unidirectional connecting mechanism (4) and the cross plate shearing head (2) are separated from transmission; The outer side of the bottom end of the probe rod (1) is coaxially sleeved with a sleeve (5), two groups of limiting plates (6) are symmetrically fixed on the outer wall of the sleeve (5), and a density probe (7) and a water content probe (8) are respectively embedded in the two groups of limiting plates (6); A lifting mechanism (9) is arranged between the sleeve (5) and the inside of the limiting plate (6), the lifting mechanism (9) is in transmission fit with the probe rod (1), and when the probe rod (1) rotates reversely, the lifting mechanism (9) is triggered to drive the density probe (7) and the water content probe (8) to do lifting actions of stretching out or retracting back; and a data transmission mechanism is arranged among the density probe (7), the water content probe (8) and the acquisition driving mechanism (3) and used for transmitting detection data of the density probe (7) and the water content probe (8) to the acquisition driving mechanism (3) for display.
  2. 2. The rock-soil mass in-situ shearing and water content density integrated detection device according to claim 1, wherein the data transmission mechanism comprises a conductive ring (10), an output line (11) and an abutment (12); The coaxial suit of conducting ring (10) is at the outer wall of probe rod (1), and the input of conducting ring (10) is through wire and density probe (7), moisture content probe (8) electric connection respectively, and the output of conducting ring (10) is connected with output line (11), and output line (11) pass from the inside of probe rod (1) and extend to the top of probe rod (1), and butt joint (12) are installed on the top of output line (11), and output line (11) are through butt joint (12) and collection actuating mechanism (3) electric connection.
  3. 3. The integrated detection device for in-situ shearing and water content density of a rock and soil body according to claim 1, wherein the acquisition driving mechanism (3) comprises a storage box (301), a driving bin (302), a worm wheel (303), a limiting slot (304), a worm (305), a torque sensor (307), a display host (308) and a receiving line (309); A driving bin (302) is fixed on one side of the inside of the storage box (301), a worm wheel (303) is rotatably arranged in the driving bin (302), a limiting slot (304) is formed in the center of the worm wheel (303), and a transmission insert block (101) matched with the limiting slot (304) is fixed on the top of the probe rod (1); The worm (305) is installed in the outside meshing of worm wheel (303), and one end of worm (305) extends to the outside of storage case (301), and one side that drive storehouse (302) was kept away from to storage case (301) inside is fixed with and shows host computer (308), and torque sensor (307) is installed to the driving end of worm (305), and torque sensor (307) are connected with display host computer (308) electricity through the wire, and the input of display host computer (308) is equipped with receiving line (309) with data transmission mechanism butt joint.
  4. 4. The rock-soil body in-situ shearing and water content density integrated detection device according to claim 3, wherein a wire frame (310) is hinged to the top of the driving bin (302), and wire isolation grooves are formed in two ends of the top of the wire frame (310).
  5. 5. The rock-soil mass in-situ shearing and water content density integrated detection device according to claim 1, wherein the one-way connecting mechanism (4) comprises a transmission box (401), a plane ratchet wheel (402), a ratchet (403) and a first spring (404); The bottom of transmission box (401) is fixed with the top coaxial of cross board shear head (2), the inside of transmission box (401) is extended to the bottom of probe rod (1), and probe rod (1) is rotated with transmission box (401) and is connected, the bottom at probe rod (1) is coaxially fixed to plane ratchet (402), inner wall at transmission box (401) is installed in ratchet (403) through articulated shaft rotation, the tooth's socket of ratchet (403) and plane ratchet (402) is one-way meshing, the both ends of first spring (404) are respectively with the inner wall of transmission box (401), ratchet (403) fixed connection for providing the pretightning force of laminating plane ratchet (402) for ratchet (403).
  6. 6. The integrated rock-soil mass in-situ shearing and water content density detection device according to claim 1, wherein the lifting mechanism (9) comprises a first end face ratchet wheel (901), a second end face ratchet wheel (902), a spline housing (903), a positioning ring (904), a second spring (905), a spline shaft (906), a reciprocating screw (907), a sliding block (908) and a mounting rod (909); The first end face ratchet wheel (901) is coaxially fixed on the outer wall of the probe rod (1), the spline housing (903) is coaxially sleeved on the outer side of the probe rod (1), the second end face ratchet wheel (902) is coaxially fixed at one end, close to the first end face ratchet wheel (901), of the spline housing (903), and the first end face ratchet wheel (901) is in one-way meshing with the second end face ratchet wheel (902); The positioning ring (904) is coaxially fixed on the inner wall of the sleeve (5), the spline housing (903) penetrates through the positioning ring (904) and is in axial sliding fit with the positioning ring (904), the second spring (905) is sleeved on the outer side of the spline housing (903), and two ends of the second spring (905) are respectively propped against the second end face ratchet wheel (902) and the positioning ring (904); The spline shaft (906) is arranged in the spline sleeve (903) in a sliding mode, the reciprocating screw rod (907) is coaxially and rotatably arranged in the sleeve (5), the spline shaft (906) is fixedly connected with the end portion of the reciprocating screw rod (907), and the probe rod (1) coaxially penetrates through the spline shaft (906) and the interior of the reciprocating screw rod (907); The slider (908) is sleeved on the outer side of the reciprocating screw rod (907) and is in threaded fit with the reciprocating screw rod (907), the mounting rod (909) is fixed on the outer wall of the slider (908), and the density probe (7) and the water content probe (8) are respectively fixed at the end parts of the corresponding mounting rod (909).
  7. 7. The rock-soil body in-situ shearing and water content density integrated detection device according to claim 6, wherein hidden grooves (910) communicated with the inside of the sleeve (5) are formed in the limiting plate (6), the mounting rods (909) extend to the inside of the hidden grooves (910), and through holes (911) for the density probes (7) and the water content probes (8) to pass through are formed in the bottoms of the hidden grooves (910) respectively.
  8. 8. The rock-soil body in-situ shearing and water content density integrated detection device according to claim 7 is characterized in that rubber sealing rings are fixed on the inner sides of the through holes (911), and the rubber sealing rings are tightly attached to the outer sides of detection ends of the density probe (7) and the water content probe (8).
  9. 9. The rock-soil body in-situ shearing and water content density integrated detection device according to claim 1, wherein the limiting plate (6) is of a radially extending plate structure, the top of the limiting plate (6) is a guide inclined plane, and the outer edges of the limiting plate (6) are all arranged to penetrate into the blade edge.
  10. 10. The rock-soil body in-situ shearing and water content density integrated detection device according to claim 3, wherein one end of a worm (305) positioned outside the storage box (301) is fixedly provided with an operating handle (306), and the end part of the operating handle (306) is sleeved with a rubber grip.

Description

Rock-soil body in-situ shearing and water content density integrated detection device Technical Field The invention relates to a detection device, in particular to an in-situ shear and water content density integrated detection device for a rock-soil body, and belongs to the technical field of geological investigation. Background In the geotechnical engineering geological investigation process, the shear strength index, the water content and the density of a geotechnical body are three core basic parameters for determining the mechanical characteristics of the geotechnical body engineering, wherein the shear strength is a core design basis for evaluating the bearing capacity and the anti-slip stability of the geotechnical body, the water content and the density directly determine the pore structure, the stress state and the mechanical response characteristic of the geotechnical body, and the three parameters have extremely strong coupling association relation, so that the reliability of geotechnical engineering investigation data is ensured, and the three parameters are required to be detected. However, in the conventional detection process, in-situ shear tests and water content and density detection are mutually independent test procedures, operation can only be carried out step by step, and homobody detection of the same measuring point and the same rock-soil body unit cannot be realized, so that data homology among parameters is poor, detection accuracy is affected, and meanwhile, multi-procedure step operation is carried out step by step, so that the operation is complex, and time and labor are wasted. The rock-soil body in-situ shearing and water content density integrated detection device is designed to optimize the problems. Disclosure of Invention The invention mainly aims to provide an in-situ shear and water content density integrated detection device for a rock-soil body, so as to solve the problems that geological investigation detection equipment is single in function and cannot simultaneously perform a shear test and in-situ water content and density integrated detection. The aim of the invention can be achieved by adopting the following technical scheme: The rock-soil body in-situ shearing and water content density integrated detection device comprises a probe rod, a cross plate shearing head arranged at the bottom end of the probe rod and an acquisition driving mechanism for driving the probe rod to rotate and synchronously acquiring torque data in the rotating process; A unidirectional connecting mechanism is arranged between the bottom end of the probe rod and the cross plate shearing head, when the probe rod rotates forwards, the unidirectional connecting mechanism drives the cross plate shearing head to synchronously rotate, and when the probe rod rotates backwards, the unidirectional connecting mechanism and the cross plate shearing head are in transmission disconnection; The outer side of the bottom end of the probe rod is coaxially sleeved with a sleeve, two groups of limiting plates are symmetrically fixed on the outer wall of the sleeve, and a density probe and a water content probe are respectively embedded in the two groups of limiting plates; a lifting mechanism is arranged between the sleeve and the inside of the limiting plate and is in transmission fit with the probe rod, and when the probe rod rotates reversely, the lifting mechanism is triggered to drive the density probe and the water content probe to do lifting action of extending or retracting; And a data transmission mechanism is arranged between the density probe and the water content probe and the acquisition driving mechanism and used for transmitting detection data of the density probe and the water content probe to the acquisition driving mechanism for display. Preferably, the data transmission mechanism comprises a conductive ring, an output line and a butt joint; The coaxial suit of conducting ring is at the outer wall of probe rod, and the input of conducting ring passes through the wire respectively with density probe, moisture content probe electric connection, and the output of conducting ring is connected with the output line, and the output line passes from the inside of probe rod and extends to the top of probe rod, and the butt joint is installed on the top of output line, and the output line passes through butt joint and gathers actuating mechanism electric connection. The acquisition driving mechanism comprises a storage box, a driving bin, a worm wheel, a limiting slot, a worm, a torque sensor, a display host and a receiving wire; A driving bin is fixed on one side of the inside of the storage box, a worm wheel is rotatably arranged in the driving bin, a limiting slot is formed in the center of the worm wheel, and a transmission insert block matched with the limiting slot is fixed on the top of the probe rod; the worm is installed in the outside meshing of worm wheel, and the one end of worm extends to