Search

CN-121992761-A - A side slope monitoring devices for rare earth mine exploitation's accurate location

CN121992761ACN 121992761 ACN121992761 ACN 121992761ACN-121992761-A

Abstract

The invention discloses a slope monitoring device for accurately positioning rare earth mine exploitation, which relates to the technical field of rare earth mine exploitation and comprises ground and a core driving assembly, wherein a support is fixed on the ground, a monitoring module is arranged at the top end of the support, the core driving assembly is arranged in a support notch, and the core driving assembly comprises a cylinder body fixedly arranged at the top end of the support notch. This a slope monitoring devices for accurate location of rare earth mining is to loose soil body cohesive force weak, easy painful point that slides of rare earth mine weathering crust, and radial expansion Zhang Xingcheng interlock anchor through barb type fluke in the first stage promotes the cohesion of main stock and loose soil body by a wide margin, solves traditional stock and slides the problem, and the axial stretch-draw of second stage cooperates with radial anchor, dual anchor effect that reinforces, adaptation rare earth mine soil body shear strength is low characteristic, and the vice stock of third stage is permanent supplementary anchor, forms multidirectional reinforcement system, can effectively handle the extreme unstability scene.

Inventors

  • JIANG ZHENJIN
  • LIU KEWEI
  • CHEN XUAN
  • HUANG ZHONGJIAN
  • CHEN GUOXING
  • Zeng xiong
  • ZHANG JIAJUN

Assignees

  • 中稀(湖南)稀土开发有限公司
  • 中南大学

Dates

Publication Date
20260508
Application Date
20260202

Claims (10)

  1. 1. The utility model provides a slope monitoring devices for accurate location of rare earth mining, includes ground (1) and core drive assembly (4), its characterized in that, ground (1) anchor has support (2), and support (2) top installs monitoring module (3), core drive assembly (4) are installed inside support (2) notch, core drive assembly (4) are including fixed mounting in support (2) notch top cylinder body (401), cylinder body (401) bottom side is connected with into oil pipe (402), and advances oil pipe (402) horizontal run through in support (2) corresponding position, cylinder body (401) inside axial lift has piston (403), and hydraulic oil is pumped into by cylinder body (401) lower part and is promoted piston (403) and be located cylinder body (401) axial jacking, piston (403) top is connected with reset spring (404), and piston (403) are through reset spring (404) and cylinder body (401) top inner wall elastic connection, piston (403) bottom fixedly connected with core bar (405), and core bar (405) upper portion radially are fixed with solid fixed ring (406) to core bar (405) lower part equidistant wedge (407) are distributed along axial equal.
  2. 2. The slope monitoring device for accurately positioning rare earth mining according to claim 1, wherein the oil inlet pipe (402) is connected with the hydraulic pump station through a control valve group and a shunt oil pipe, and the hydraulic pump station conveys hydraulic oil to a cylinder (401) corresponding to each monitoring device through the shunt oil pipe and realizes independent regulation and control of the pressure and flow of the hydraulic oil through an electromagnetic shunt valve.
  3. 3. The slope monitoring device for accurately positioning of rare earth mining according to claim 2, wherein the core rod (405) is externally provided with two sections of anchoring assemblies (5), the two sections of anchoring assemblies (5) comprise a main anchor rod (501) sleeved outside the core rod (405), a core groove (502) is axially formed in the main anchor rod (501), and the core rod (405) is axially lifted and lowered below the main anchor rod (501) through the core groove (502).
  4. 4. The slope monitoring device for accurately positioning rare earth mining according to claim 3, wherein the two-section anchoring assembly (5) further comprises a mounting groove (503) formed in the upper portion of the core groove (502), the inner diameter of the mounting groove (503) is larger than that of the core groove (502), the fixing ring (406) is located on the upper portion of the main anchor rod (501) through the mounting groove (503) and axially lifts, and the core rod (405) drives the main anchor rod (501) to synchronously lift when the fixing ring (406) abuts against the top end of a cavity of the mounting groove (503).
  5. 5. The precisely positioned slope monitoring device for rare earth mining according to claim 4, wherein the two-section anchoring assembly (5) further comprises a side groove (504) radially formed in the side wall of the main anchor rod (501), wherein the side groove (504) is internally and horizontally slid with a fluke (505), the fluke (505) adopts a barb-type expansion structure design, and the fluke (505) is mounted on the outer side ‌ of the corresponding wedge block (407).
  6. 6. The precisely positioned slope monitoring device for rare earth mining according to claim 5, wherein a chute matched with the inclined surface of the wedge block (407) is arranged on the inner side of the fluke (505), and the wedge block (407) realizes synchronous expansion of the fluke (505) by extruding the chute on the inner side of the fluke (505) when the core rod (405) is lifted.
  7. 7. The slope monitoring device for accurately positioning of rare earth mining according to claim 6, wherein three sections of anchor assemblies (6) are mounted on the outer portion of the support (2), each section of anchor assemblies (6) comprises a hinged seat (601) fixedly mounted on the outer wall of the support (2), the hinged seats (601) are distributed in four places in an annular array on the outer circle of the support (2), and lifting arms (602) are hinged to the inner portion of each hinged seat (601).
  8. 8. The precisely positioned slope monitoring device for rare earth mining according to claim 7, wherein the three-section anchor assembly (6) further comprises a driving rod (603) hinged to one end of the lifting arm (602), one side of the driving rod (603) away from the lifting arm (602) is hinged to the outer circle of the movable ring (604), and the inner diameter of the middle hole of the movable ring (604) is larger than the outer diameter of the core rod (405).
  9. 9. The slope monitoring device for accurately positioning rare earth mining according to claim 8, wherein the movable ring (604) is installed in a structural gap between the bottom end of the cylinder body (401) and the top end of the main anchor rod (501), and the movable ring (604) is in abutting transmission with the top end of the main anchor rod (501) after the main anchor rod (501) is lifted to a preset height.
  10. 10. The precisely positioned slope monitoring device for rare earth mining according to claim 9, wherein the three-section anchor assembly (6) further comprises a steel rope (605) hinged to the other end of the lifting arm (602), one side of the steel rope (605) away from the lifting arm (602) is hinged to the top end of the auxiliary anchor rod (606), and the auxiliary anchor rod (606) is provided with four auxiliary anchor rods (501) for realizing permanent auxiliary anchoring.

Description

A side slope monitoring devices for rare earth mine exploitation's accurate location Technical Field The invention relates to the technical field of rare earth ore exploitation, in particular to a slope monitoring device for accurately positioning rare earth ore exploitation. Background Rare earth ore is taken as strategic mineral resource and occupies important position in industrial system in China, wherein the ionic rare earth ore is one of main stream exploitation products due to abundant reserves and high extraction value, but the ionic rare earth ore is mostly stored in weathering crust stratum, ore body is mainly sandy and powdery loose soil body, binding force is weak, shear strength is extremely low, and is only 1/3-1/5 of that of common rock body, exploitation area is most mountain area, slip and collapse are easily caused by soil body dead weight, rainwater infiltration, heap leaching load and other factors after slope excavation, meanwhile, the ionic rare earth ore is exploited by adopting a conventional heap leaching process, a heap leaching field slope is formed by accumulating loose ore body, continuous infiltration of leachate can further weaken soil body binding force, superimposed spraying load effect, slope instability risk is obviously higher than that of common mine, once landslide occurs, loss and personnel injury of exploitation equipment can be caused, leaching liquid leakage can be caused, and ecological pollution and resource waste can be caused. The device is suitable for hard rock or cohesive soil slopes through the insertion of panels into slopes, has obvious limitations on loose sandy soil mass of rare earth mine, has a passive lag response mode, can trigger alarm and resist impact through the stress of the panels only after landslide disasters occur, cannot predict slope stress accumulation and deformation trend in advance, cannot realize active anchoring and reinforcement, is completely not suitable for the characteristics of high instability speed and insignificant precursor of the rare earth mine slopes, and is difficult to prevent landslide, has a single reinforcement mechanism, can resist impact only by virtue of planar resistance of the panels, cannot solve the problem of sliding of loose soil mass of the rare earth mine, and is easy to be pulled out continuously due to integral sliding of the soil mass, and reinforcement failure. In order to solve the pain points, a slope monitoring device which is adaptive to the characteristics of loose soil bodies of rare earth ores, has graded linkage anchoring capability and combines monitoring accuracy and reinforcement reliability is needed, realizes integrated operation of monitoring, early warning and anchoring, and ensures green safety exploitation ‌ ‌ of the rare earth ores. Disclosure of Invention The invention aims to provide a slope monitoring device for accurately positioning rare earth mining, which is used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides a slope monitoring devices for accurate location of rare earth mining, includes ground and core drive assembly, ground anchor is fixed the support, and the support top installs monitoring module, core drive assembly installs inside the support notch, core drive assembly includes the cylinder body of fixed mounting in support notch top, cylinder body bottom side is connected with into oil pipe, and advances oil pipe level and run through in the support and correspond the position, the inside axial lift of cylinder body has the piston, and hydraulic oil is gone into by cylinder body lower part pump promotion piston and is located the cylinder body axial jacking, the piston top is connected with reset spring, and the piston passes through reset spring and cylinder body top inner wall elastic connection, piston bottom fixedly connected with core bar, and core bar upper portion radially is fixed with the solid fixed ring to the equidistant symmetric distribution of core bar lower part along the axial has the voussoir. Furthermore, the oil inlet pipe is connected with the hydraulic pump station through the control valve group and the shunt oil pipe, and the hydraulic pump station conveys hydraulic oil to the cylinder corresponding to each monitoring device through the shunt oil pipe and realizes independent regulation and control of the pressure and flow of the hydraulic oil through the electromagnetic shunt valve. Further, two sections of anchor assemblies are arranged outside the core rod, each section of anchor assembly comprises a main anchor rod sleeved outside the core rod, a core groove is axially formed in the main anchor rod, and the core rod is located at the lower portion of the main anchor rod through the core groove and is axially lifted. Further, two sections anchor assemblies still include the mounting groove of seting up in