Soil sampling device for geological exploration

Abstract

The utility model belongs to the field of geological exploration, and discloses a soil sampling device for geological exploration, which comprises a fixing frame, a lifting mechanism, a fixing plate, a motor, an adjusting piece, a rotating rod, a driving shaft, a bulge, an auger, a drill bit, a synchronous cylinder, a separation cylinder and a sampling cylinder, through the arrangement of the parts, when the motor drives the sampling barrel to synchronously rotate, the resultant force of the rotating force borne by the sampling barrel coincides with the rotating axis, so that the device is more stable and not easy to damage when being used, and can be used for collecting a soil sample at a specified depth.

Description

Technical Field

[0001] The utility model belongs to the technical field of geological exploration, and in particular relates to a soil sampling device for geological exploration. Background Art

[0002] Geological survey is to survey, detect and analyze geology through various means and methods to clarify the composition and condition of the geology, so as to facilitate the subsequent development, utilization and protection work. When surveying geology, sampling devices are needed to sample the soil.

[0003] The Chinese patent with the authorization announcement number CN219589973U discloses an engineering geological survey sampling device, including a bracket and a top plate, two brackets are supported and installed with a top plate at the top end, a lifting mechanism is installed on the top plate, two guide rods are symmetrically installed at the bottom end of the top plate, a drilling mechanism is connected to the bottom end of the lifting mechanism, and a locking mechanism is installed on the drilling mechanism. The above scheme can sample soil samples at different depths and prevent mixing, thereby more accurately detecting geological soils at different depths, thereby improving the accuracy of geological survey data.

[0004] However, in actual use, the above scheme can connect the rotating drum and the rotating rod as a whole by inserting the electric telescopic rod into the rotating rod, thereby realizing synchronous rotation. However, the force point of the driving force on the mounting plate does not coincide with the axis of the rotating drum. In addition, since the rotating drum is relatively long, the rotating drum is prone to shaking, vibrating, etc. when it is rotated by the driving force of the electric telescopic rod. In addition, the rotating drum needs to withstand downward pressure and friction when it rotates into the soil during operation, which will increase the shaking and vibration of the rotating drum, thereby causing damage to components such as the electric telescopic rod. That is, the above scheme has poor stability during operation and is easy to be damaged. Utility Model Content

[0005] The utility model aims to provide a soil sampling device for geological exploration to solve the problem of poor stability of the above scheme during operation.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil sampling device for geological exploration, comprising

[0007] A fixed frame, wherein a lifting mechanism is installed in the fixed frame, and a fixing plate is installed at the bottom of the lifting mechanism;

[0008] An adjusting member, the adjusting member is mounted on the fixing plate, and a motor is mounted on the adjusting member;

[0009] A rotating rod, the top of which is connected to the rotating end of the motor, the lower end of which passes through the fixing plate and is fixed with a driving shaft, a plurality of protrusions are evenly distributed on the circumference of the side wall of the driving shaft, an auger is fixed at the bottom of the driving shaft, and a drill bit is fixed at the bottom of the auger;

[0010] A synchronous cylinder, the top of which is rotatably connected to the fixed plate, and a synchronous groove is provided on the inner side of the synchronous cylinder, the drive shaft is slidably inserted into the synchronous cylinder, and the protrusion is slidably inserted into the synchronous groove;

[0011] The separation cylinder is sleeved on the outer wall of the lower end of the synchronous cylinder, and a sampling cylinder is fixed on the lower inner end of the separation cylinder. The gap between the bottom of the synchronous cylinder and the top of the sampling cylinder is greater than the height of the protrusion. The auger rotates in the sampling cylinder, the drill bit and the sampling cylinder are slidably inserted, and the inner diameter and outer diameter of the sampling cylinder are consistent with those of the synchronous cylinder.

[0012] The principle and effect of this technical solution:

[0013] 1. The fixing plate is driven to move up and down in the fixing frame through the lifting mechanism, so that the motor drives the rotating rod to move up and down relative to the soil. Because the driving shaft is fixed at the bottom of the rotating rod, and the side wall of the driving shaft has a protrusion, and the synchronous cylinder is provided with a synchronous groove adapted to the protrusion, when the motor drives the rotating rod to rotate, the driving shaft can drive the synchronous cylinder to rotate, and because the separation cylinder and the sampling cylinder are installed at the bottom of the synchronous cylinder in sequence, when the protrusion is inserted into the synchronous groove, the motor can drive the rotating rod, the driving shaft, the synchronous cylinder, the separation cylinder and the sampling cylinder to rotate synchronously, and because the auger is fixed at the bottom of the driving shaft and the drill bit is located at the bottom of the auger, the drill bit can seal the sampling cylinder when the device is turned into the ground, and the synchronous rotation enables the device to penetrate into the soil layer without performing the sampling function.

[0014] 2. By setting the separation cylinder and the gap between the bottom of the synchronous cylinder and the top of the sampling cylinder being greater than the height of the protrusion, the protrusion can be completely disengaged from the synchronous groove. Therefore, the rotation of the drive shaft cannot drive the separation cylinder, the synchronous cylinder and the sampling cylinder to rotate. At this time, the sampling cylinder is stationary relative to the auger and the ground. Soil sampling can be carried out by controlling the rotation of the auger, so that the device can penetrate into the soil and sample the soil layer of the specified depth.

[0015] 3. Through the arrangement of multiple evenly distributed protrusions, synchronous grooves and synchronous cylinders, when the driving shaft drives the sampling cylinder to rotate, although it is subjected to multiple driving forces that do not coincide with the rotation axis, the resultant force of the multiple driving forces is located at the rotation axis. Therefore, compared with the prior art, the arrangement of this scheme is more stable and less prone to shaking during rotation. Therefore, the device is not easy to be damaged and has higher stability.

[0016] 4. The height of the motor is adjusted by the adjusting piece, so that the motor drives the rotating rod and the driving shaft to move up and down relative to the synchronous cylinder and the separation cylinder, thereby realizing the control of the sampling cylinder.

[0017] The utility model is further configured as follows: the protrusion is located at the upper end of the side wall of the driving shaft, and when the protrusion is completely inserted into the synchronous groove, the bottom of the driving shaft is located in the sampling tube.

[0018] The principle and effect of this technical solution: after being fully inserted into the synchronous groove, the bottom of the drive shaft is still located in the sampling cylinder, so the soil in the sampling cylinder cannot enter between the bottom of the synchronous cylinder and the top of the sampling cylinder, thereby avoiding the influence of the soil on the rotation of the drive shaft and making the device more stable.

[0019] The utility model is further configured as follows: a separation groove located between the bottom of the synchronization cylinder and the top of the sampling cylinder is opened in the separation cylinder, a bearing is installed in the separation groove, a limiting sleeve is fixed on the inner side of the bearing, a clearance groove is opened on the inner side of the limiting sleeve, the size of the clearance groove is larger than the size of the protrusion, and the driving shaft is slidably inserted into the inner side of the limiting sleeve.

[0020] The principle and effect of this technical solution: through the setting of the bearing and the limit sleeve, after the protrusion completely leaves the synchronization groove and is located in the yield groove, when the motor drives the rotating rod and the driving shaft to rotate, the driving shaft can drive the limit sleeve and the bearing to rotate relative to the separation cylinder, thereby realizing the function of separating the auger from the sampling cylinder. At the same time, the protrusion and the driving shaft are limited by the bearing and the limit sleeve, so that the rotation of the auger is more stable, thereby making the stability of the device higher.

[0021] The utility model is further configured as follows: a limit plate is rotatably sleeved on the outer wall of the separation cylinder, a connecting rod is fixed on the top of the limit plate, and the connecting rod is fixed to the bottom of the fixing plate.

[0022] The principle and effect of this technical solution: the setting of the limit plate makes the synchronization cylinder, the separation cylinder and the sampling cylinder also restricted by the limit plate when rotating, so that the sampling cylinder is more stable when rotating, thereby making the device more stable and less prone to damage, and the limit plate is restricted by the connecting rod, so that the limit plate can remain stationary relative to the fixed plate.

[0023] The utility model is further configured to include a stabilizing mechanism, which includes a telescopic rod, a spring and a stabilizing cylinder. A plurality of telescopic rods are evenly distributed on the bottom of the limiting plate. The outer wall of the stabilizing cylinder is fixed to the inner wall of the bottom of the telescopic rod. The spring is sleeved on the telescopic rod, and the sampling cylinder is rotatably inserted into the stabilizing cylinder.

[0024] The principle and effect of this technical solution are as follows: the sampling tube is rotatably inserted into the stabilizing tube, and the stabilizing tube is connected to the limit plate through the telescopic rod, so the stabilizing tube can limit the rotation of the sampling tube, thereby reducing the shaking or vibration of the sampling tube during rotation, making the rotation of the sampling tube more stable, and through the setting of the telescopic rod and the spring, the position of the stabilizing tube can be raised and lowered relative to the sampling tube, so that after the stabilizing tube contacts the ground, it can still drive the sampling tube to be pressed down by continuing to press down the fixed plate, and at this time the telescopic rod compresses the spring and shortens it, thereby avoiding interference.

[0025] The utility model is further configured as follows: the lifting mechanism includes a hydraulic cylinder, a guide rod and a push plate, the hydraulic cylinder is fixed on a fixed frame, the push plate is slidably fitted in the fixed frame, and the top of the push plate is fixed to the hydraulic rod of the hydraulic cylinder, the guide rod is fixed to the top of the push plate, and the upper end of the guide rod is slidably inserted into the top of the fixed frame, a push rod is fixed to the bottom of the push plate, and the fixed plate is fixed to the bottom of the push rod.

[0026] The principle and effect of this technical solution: the hydraulic cylinder drives the push plate to rise and fall, so that the push plate drives the fixed plate to rise and fall, thereby controlling the height of the auger and the sampling tube relative to the soil, so that the device can penetrate deep into the ground for soil sampling.

[0027] The utility model is further configured as follows: the adjusting member includes an electric lifting rod and a mounting plate, the electric lifting rod is fixed on the fixing plate, the mounting plate is fixed on the electric lifting rod, the motor is fixed on the mounting plate, and the top of the rotating rod passes through the mounting plate and is connected to the rotating end of the motor.

[0028] The principle and effect of this technical solution: the height of the mounting plate is adjusted by an electric lifting rod, thereby adjusting the height of the motor and the rotating rod, so that the height of the drive shaft changes relative to the synchronous cylinder and the separation cylinder, so that the auger can be extended or retracted relative to the sampling cylinder, thereby controlling the pace of rotating holes and sampling, so that the device can sample soil at a specified depth. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is the main structural diagram of the utility model;

[0030] Figure 2 for Figure 1 A magnified view of the structure at the middle sampling tube;

[0031] Figure 3 for Figure 1 A magnified top view of the center synchro cylinder;

[0032] Figure 4 for Figure 3 Structural diagram of the separation cylinder;

[0033] Figure 5 for Figure 1 A top view of the middle stabilizing mechanism;

[0034] Figure 6 for Figure 1 Structural diagram of the middle drive shaft. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings and implementation examples:

[0036] The figure marks in the drawings of the specification include: 101, fixed frame; 102, fixed plate; 103, motor; 201, hydraulic cylinder; 202, guide rod; 203, push plate; 204, push rod; 301, electric lifting rod; 302, mounting plate; 401, rotating rod; 402, driving shaft; 403, protrusion; 404, auger; 405, drill bit; 501, synchronous cylinder; 502, synchronous groove; 601, separation cylinder; 602, separation groove; 603, bearing; 604, limit sleeve; 605, make way groove; 701, sampling cylinder; 801, limit plate; 802, connecting rod; 901, telescopic rod; 902, spring; 903, stabilizing cylinder.

[0037] As attached Figure 1-6 As shown, the utility model discloses a soil sampling device for geological exploration, including a fixing frame 101, an adjusting member, a rotating rod 401, a synchronous cylinder 501, a separation cylinder 601 and a stabilizing mechanism.

[0038] Among them, a lifting mechanism is installed in the inverted U-shaped fixed frame 101, and the lifting mechanism includes a hydraulic cylinder 201, a guide rod 202 and a push plate 203. The hydraulic cylinder 201 is fixed on the fixed frame 101, and the push plate 203 is slidably matched in the fixed frame 101, and the top of the push plate 203 is fixed to the hydraulic rod of the hydraulic cylinder 201, the guide rod 202 is fixed to the top of the push plate 203, and the upper end of the guide rod 202 is slidably inserted with the top of the fixed frame 101, and a push rod 204 is fixed to the bottom of the push plate 203, and the fixed plate 102 is fixed to the bottom of the push rod 204. There are two guide rods 202, and they are symmetrically distributed about the hydraulic rod.

[0039] The adjusting part includes an electric lifting rod 301 and a mounting plate 302. Four electric lifting rods 301 are evenly distributed on the fixed plate 102. The mounting plate 302 is fixed to the top of the electric lifting rod 301. The motor 103 is fixed on the mounting plate 302. The top of the rotating rod 401 passes through the mounting plate 302 and is connected to the rotating end of the motor 103. The lower end of the rotating rod 401 passes through the fixed plate 102 and is fixed with a driving shaft 402. Four protrusions 403 are evenly distributed on the circumference of the side wall of the driving shaft 402. A screw auger 404 is fixed to the bottom of the driving shaft 402, and a drill bit 405 is fixed to the bottom of the screw auger 404.

[0040] The top of the synchronous cylinder 501 is rotatably connected to the fixed plate 102, and a separation cylinder 601 is fixedly mounted on the outer side of the lower end of the synchronous cylinder 501, and a sampling cylinder 701 whose inner diameter and outer diameter are consistent with those of the synchronous cylinder 501 is fixed to the lower end of the inner side of the separation cylinder 601, and the inner diameter of the separation cylinder 601 is larger than the outer diameter of the synchronous cylinder 501. A synchronous groove 502 is opened on the inner side of the synchronous cylinder 501, the drive shaft 402 and the synchronous cylinder 501 are slidably inserted, and the protrusion 403 is slidably inserted in the synchronous groove 502, the auger 404 rotates in the sampling cylinder 701, the drill bit 405 and the sampling cylinder 701 are slidably inserted, and the protrusion 403 is located at the upper end of the side wall of the drive shaft 402, and when the protrusion 403 is fully inserted in the synchronous groove 502, the bottom of the drive shaft 402 is located in the sampling cylinder 701.

[0041] like Figure 3 and Figure 4 As shown, D2 and W2 of the protrusion 403 are smaller than D1 and W1 of the clearance groove 605, and as shown in FIG. Figure 1 and Figure 2 As shown, there is a gap at one end between the bottom of the synchronous cylinder 501 and the top of the sampling cylinder 701, and the gap height is greater than the height of the protrusion 403. A separation groove 602 located on the inner wall of the separation cylinder 601 is provided in the gap, and a bearing 603 is installed in the separation groove 602. A limiting sleeve 604 is fixed on the inner side of the bearing 603. A clearance groove 605 is provided on the inner side of the limiting sleeve 604. The size of the clearance groove 605 is greater than the size of the protrusion 403. The driving shaft 402 is slidably inserted into the inner side of the limiting sleeve 604.

[0042] The outer wall of the separation cylinder 601 is rotatably sleeved with a limit plate 801 , and a connecting rod 802 is fixed on the top of the limit plate 801 . There are four connecting rods 802 , which are evenly distributed about the separation cylinder 601 , and the connecting rods 802 are fixed to the bottom of the fixed plate 102 .

[0043] The stabilizing mechanism includes a telescopic rod 901, a spring 902 and a stabilizing tube 903. Multiple telescopic rods 901 are evenly distributed at the bottom of the limiting plate 801. The outer wall of the stabilizing tube 903 is fixed to the inner wall of the bottom of the telescopic rod 901. The spring 902 is mounted on the telescopic rod 901, and the sampling tube 701 is slidably inserted into the stabilizing tube 903.

[0044] The specific implementation process is as follows:

[0045] When using the device, first install the fixing frame 101 at the position where soil is to be taken, and then make the motor 103 work at low power and low speed and adjust the height of the driving shaft 402 to make the protrusion 403 rise to the synchronous groove 502. Then, the sampling tube 701 can rotate synchronously with the auger 404. Then, by making the motor 103 rotate at high speed, the hydraulic cylinder 201 drives the sampling tube 701 and the drill bit 405 to drill into the soil layer. After reaching the specified depth, the motor 103 is operated at low power and low speed, and the driving shaft 402 is lowered by the adjusting member, so that the protrusion 403 is completely disengaged from the synchronous groove 502 and enters the clearance groove 605. At this time, the bottom of the auger 404 is located at the sampling tube 701. 01 bottom, and the motor 103 drives the auger 404 to rotate without driving the sampling barrel 701 to rotate. At this time, the power of the motor 103 is increased to perform soil sampling at a specified depth. After the sampling is completed, the motor 103 can continue to be controlled to rotate at a low speed, and the adjusting part can be controlled to make the drive shaft 402 enter the synchronous groove 502, so that the drill bit 405 blocks the bottom of the sampling barrel 701, thereby sealing the soil sample. After the sampling barrel 701 completely leaves the soil layer, the soil sample can be collected from the sampling barrel 701 to complete the sampling work. By arranging the limit plate 801, the stabilizing barrel 903, the separating barrel 601 and other components, the sampling barrel 701 is more stable and not easy to be damaged when it rotates synchronously with the auger 404.

[0046] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical scheme or characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the technical scheme of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A soil sampling device for geological exploration, characterized in that: include A fixed frame, wherein a lifting mechanism is installed in the fixed frame, and a fixing plate is installed at the bottom of the lifting mechanism; An adjusting member, the adjusting member is mounted on the fixing plate, and a motor is mounted on the adjusting member; A rotating rod, the top of which is connected to the rotating end of the motor, the lower end of which passes through the fixing plate and is fixed with a driving shaft, a plurality of protrusions are evenly distributed on the circumference of the side wall of the driving shaft, an auger is fixed at the bottom of the driving shaft, and a drill bit is fixed at the bottom of the auger; A synchronous cylinder, the top of which is rotatably connected to the fixed plate, and a synchronous groove is provided inside the synchronous cylinder, the drive shaft is slidably inserted into the synchronous cylinder, and the protrusion is slidably inserted into the synchronous groove; A separation cylinder, wherein the separation cylinder is sleeved on the outer wall of the lower end of the synchronous cylinder, and a sampling cylinder is fixed to the lower inner end of the separation cylinder, the gap between the bottom of the synchronous cylinder and the top of the sampling cylinder is greater than the height of the protrusion, the auger rotates in the sampling cylinder, the drill bit is slidably inserted into the sampling cylinder, and the inner diameter and outer diameter of the sampling cylinder are consistent with those of the synchronous cylinder.

2. A soil sampling device for geological exploration according to claim 1, characterized in that: The protrusion is located at the upper end of the side wall of the driving shaft, and when the protrusion is completely inserted into the synchronization groove, the bottom of the driving shaft is located in the sampling tube.

3. A soil sampling device for geological exploration according to claim 1, characterized in that: A separation groove is provided in the separation cylinder and is located between the bottom of the synchronization cylinder and the top of the sampling cylinder. A bearing is installed in the separation groove. A limiting sleeve is fixed on the inner side of the bearing. A clearance groove is provided on the inner side of the limiting sleeve. The size of the clearance groove is larger than the size of the protrusion. The drive shaft is slidably inserted into the inner side of the limiting sleeve.

4. A soil sampling device for geological exploration according to claim 1, characterized in that: The outer wall of the separation cylinder is rotatably sleeved with a limit plate, the top of the limit plate is fixed with a connecting rod, and the connecting rod is fixed to the bottom of the fixing plate.

5. A soil sampling device for geological exploration according to claim 4, characterized in that: It also includes a stabilizing mechanism, which includes a telescopic rod, a spring and a stabilizing cylinder. A plurality of the telescopic rods are evenly distributed on the bottom of the limiting plate. The outer wall of the stabilizing cylinder is fixed to the inner wall of the bottom of the telescopic rod. The spring is sleeved on the telescopic rod, and the sampling cylinder is rotatably inserted into the stabilizing cylinder.

6. A soil sampling device for geological exploration according to claim 1, characterized in that: The lifting mechanism includes a hydraulic cylinder, a guide rod and a push plate. The hydraulic cylinder is fixed on the fixed frame, the push plate is slidably fitted in the fixed frame, and the top of the push plate is fixed to the hydraulic rod of the hydraulic cylinder, the guide rod is fixed to the top of the push plate, and the upper end of the guide rod is slidably inserted with the top of the fixed frame, a push rod is fixed to the bottom of the push plate, and the fixed plate is fixed to the bottom of the push rod.

7. A soil sampling device for geological exploration according to claim 1, characterized in that: The adjusting member comprises an electric lifting rod and a mounting plate, wherein the electric lifting rod is fixed to the fixing plate, the mounting plate is fixed to the electric lifting rod, the motor is fixed to the mounting plate, and the top of the rotating rod passes through the mounting plate and is connected to the rotating end of the motor.

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