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CN-122017199-A - Geological deep soil quality detection device and detection method

CN122017199ACN 122017199 ACN122017199 ACN 122017199ACN-122017199-A

Abstract

The invention discloses a device and a method for detecting the soil quality of a geological deep layer, and relates to the technical field of geological drilling detection. The utility model provides a deep soil texture detection device of geology and detection method, includes the impact stake, and impact stake top is provided with the rammer, the impact stake includes urceolus, inner tube and presss from both sides a section of thick bamboo, it is located between urceolus and the inner tube to press from both sides a section of thick bamboo bottom mounting and have the drill bit, impact stake top is provided with the rotatory driving piece of control clamp section of thick bamboo respectively to and the rammer that will strike the stake and tamp downwards. According to the invention, through the arrangement of the rammer, the impact pile and the like, the device is different from the traditional drilling detection device in the detection and sampling process, the effect of simultaneously ramming and rotary drilling can be suitable for drilling operations in different environments, the situation of layering confusion of soil blocks to be detected can be avoided, and the effect is good.

Inventors

  • Xie Shuaile
  • WANG WEI
  • YANG WEIKANG
  • FENG ZHIYUAN
  • YU YAXIONG

Assignees

  • 中国矿业大学

Dates

Publication Date
20260512
Application Date
20260302

Claims (10)

  1. 1. A geological deep soil texture detection device, characterized by comprising: The impact pile (1), the top of the impact pile (1) is provided with a rammer (2); the impact pile (1) comprises an outer cylinder (102), an inner cylinder (103) and a clamping cylinder (104), wherein the clamping cylinder (104) is positioned between the outer cylinder (102) and the inner cylinder (103), and a drill bit (12) is fixed at the bottom end of the clamping cylinder (104); The top of the impact pile (1) is respectively provided with a driving piece for controlling the clamping cylinder (104) to rotate and a rammer (2) for downwards ramming the impact pile (1).
  2. 2. The geological deep soil detecting device according to claim 1, wherein the driving member comprises a conical disc (3) fixed with the clamping cylinder (104), a mounting seat is further fixed on the surface of the outer cylinder (102), a driving source I (4) is arranged on the mounting seat, and a conical gear (301) meshed with the conical disc (3) is fixed at the output end of the driving source I (4).
  3. 3. The geological deep soil detecting device according to claim 1, wherein the detecting device further comprises a support (5), the support (5) comprises a telescopic sliding frame (6) arranged at the bottom of the support (5), the impact pile (1) is located between two sides of the support (5), and the impact pile (1) moves up and down along the height direction of the support (5).
  4. 4. The geological deep soil property detection device according to claim 1, wherein hoops (15) are fixedly arranged on two sides of the support (5), the support (5) is connected with connecting arms (14) through the hoops (15), a bottom sleeve (13) is fixedly arranged between the two connecting arms (14), the impact pile (1) is slidably arranged at the bottom sleeve (13), and the bottom sleeve (13) is close to the ground and used for limiting the impact pile (1).
  5. 5. The device for detecting the soil quality of the geological deep layer according to claim 1, wherein the impact pile (1) further comprises a sampling tube (11), the sampling tube (11) is arranged in the middle of the conical disc (3) through a sealing bearing (9), and the sampling tube (11) extends upwards into the impact block (201).
  6. 6. The geological deep soil detecting device according to claim 3, wherein the stand columns (7) are fixed on two sides of the support (5), the limiting rings (17) are slidably arranged on the surface of the impact pile (1), and the limiting rings (17) are provided with two support arms which are sleeved on the surface of the stand columns (7).
  7. 7. The geological deep soil detecting device according to claim 6, wherein ribs (101) are arranged on the surface of the outer cylinder (102) of the impact pile (1), and notches are arranged on the limiting ring (17) and the inner wall of the bottom sleeve (13) corresponding to the ribs (101).
  8. 8. The geological deep soil detecting device according to claim 5, wherein the rammer (2) comprises an impact block (201) positioned at the top of the impact pile (1), vibrators (202) vibrating at the same frequency are symmetrically arranged on the impact block (201), a cavity is formed in the position, close to the impact pile (1), of the impact block (201), and the top end of the sampling tube (11) is fixed to the inner wall of the top end of the cavity.
  9. 9. The geological deep soil detecting device according to claim 8, wherein the impact block (201) is rotatably connected with the conical disc (3), and the impact block (201) is provided with a pressure supply pipe (8), and the pressure supply pipe (8) is communicated with the sampling pipe (11).
  10. 10. A method for detecting geological deep soil by using the geological deep soil detecting device as claimed in claims 1-9, which is characterized in that: selecting a region to be detected for deep soil detection; Leveling the selected ground to be detected, wherein the ground leveling error is less than or equal to 3mm; transferring the deep soil quality detection device to a region to be detected, fixing the bracket (5) on the ground to be detected, and adjusting the impact pile (1) to be vertical to the ground; step four, starting the soil detecting device after confirming the working state of the deep soil detecting device; Step five, after the deep soil is collected, connecting a pump pressure device with a sampling tube (11) through a pressure supply tube (8), and pressurizing the inside of the sampling tube (11); and step six, collecting and detecting the soil samples of each layer collected in the sampling tube (11).

Description

Geological deep soil quality detection device and detection method Technical Field The invention relates to the technical field of geological drilling detection, in particular to a geological deep soil detection device and a detection method. Background In the geological exploration process, deep soil is often required to be drilled and sampled so as to analyze parameters such as soil layer structure, bearing capacity and the like, a traditional soil detection device mainly adopts a drilling type detector or a tamping type detector, the drilling type detector continuously drills through a rotary drill bit, but in the drilling process, the continuous rotation and friction of the drill bit easily cause the mixing of soil with different depths in a drill rod helical blade or a drill barrel, so that the original layering information of the sampled soil is disordered, the subsequent layering detection and analysis are inconvenient, the tamping type detector is used for tamping the sampling tube into the ground through a heavy hammer, the effect of the tamping type detector in a soil soft area is good, but when the soil is in a hard soil layer, the simple tamping is often low in efficiency, and the severe impact can cause the soil around the sampling tube to crack, so that the representativeness of the sampling area is affected. In addition, no matter drilling type or ramming type, in the lifting process of the sampling tube, larger friction resistance can be generated between the soil sample and the tube wall, so that the sample is very easy to be blocked in the tube and difficult to be completely taken out, or extrusion deformation occurs, and the accuracy of a detection result is influenced. Disclosure of Invention The invention aims to provide a device and a method for detecting the soil quality of a geological deep layer, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the technical scheme that the geological deep soil quality detection device comprises an impact pile and a tamper arranged at the top of the impact pile. The impact pile comprises an outer cylinder, an inner cylinder and a clamping cylinder, wherein the clamping cylinder is positioned between the outer cylinder and the inner cylinder, and a drill bit is fixed at the bottom end of the clamping cylinder. The top of the impact pile is respectively provided with a driving piece for controlling the clamping cylinder to rotate and the tamper for tamping the impact pile downwards. Preferably, the driving piece comprises a conical disc fixed with the clamping cylinder, a mounting seat is fixed on the surface of the outer cylinder, a first driving source is arranged on the mounting seat, and a conical gear meshed with the conical disc is fixed at the output end of the first driving source. Preferably, the detection device further comprises a support, a telescopic sliding frame is arranged at the bottom of the support, and the impact pile is located between two sides of the support and can move up and down along the height direction of the support. Preferably, the both sides of support all fixed mounting has the hoop, and the support is connected with the linking arm through the hoop, is fixed with end cover between two linking arms, impact pile slidable mounting is in end cover, end cover is close to ground and is used for spacing impact pile. Preferably, the impact pile further comprises a sampling tube which is fixed to the middle of the conical disc through a sealing bearing, and the sampling tube extends upwards into the tamper. Preferably, the stand columns are fixed on two sides of the support, the limiting rings are slidably arranged on the surfaces of the impact piles, and the limiting rings extend out of the two support arms and are sleeved on the surfaces of the stand columns. Preferably, ribs are arranged on the surface of the outer cylinder of the impact pile, and notches matched with the limiting rings and the corresponding ribs on the inner wall of the bottom sleeve are arranged on the limiting rings and the corresponding ribs on the inner wall of the bottom sleeve. Preferably, the rammer comprises impact blocks positioned at the top of the impact pile, the impact blocks are symmetrically provided with vibrators vibrating at the same frequency, one end of each impact block, which is close to the impact pile, is provided with a cavity, and the top end of the sampling tube is fixed on the top end inner wall of the cavity. Preferably, the impact block is rotationally connected with the conical disk, and the impact block is provided with a pressure supply pipe which is communicated with the sampling pipe. The invention also provides a method for detecting the geological deep soil by adopting the geological deep soil detection device, which comprises the following steps: selecting a region to be detected for deep soil detection; Leveling the selected ground to be detected; trans