Rock stratum soil sampling device

By using a linkage mechanism and a threaded adjustment rod in the rock formation soil sampling device, the problem of time-consuming and labor-intensive adjustment of the fixed device height in the prior art is solved, and rapid adjustment and efficient sampling are achieved.

CN222439165UActive Publication Date: 2025-02-07蒋锡爱
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Patent Information

Application Number
CN202420683059.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-02-07
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The fixing device of the existing rock formation soil sampling device adjusts the height by sliding, which makes adjustments time-consuming and labor-intensive and inconvenient for rapid adjustment.

Method used

Using a plurality of first support rods, bottom plates and linkage mechanisms, through the cooperation of driven gears, transmission gears, driving gears and rotating motors, the threaded connection between the adjustment rod and the second support rod is achieved quickly adjusting the height of the device.

Benefits of technology

The rapid adjustment of the device height is achieved through time-saving and labor-saving methods, which improves sampling efficiency and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metal mine geology, in particular to a rock stratum soil sampling device which comprises a plurality of first supporting rods, a bottom plate, a linkage mechanism, a plurality of transmission mechanisms and a sampling mechanism, the linkage mechanism comprises a plurality of driven gears, a plurality of transmission gears, a driving gear and a rotating motor, and adjusting rods are arranged on the lower end faces of the driven gears; the adjusting rods are in threaded connection with the corresponding second supporting rods, the multiple transmission gears are further in transmission connection with the corresponding driven gears, the driving gears are in transmission connection with the rotating motor, the driving gears are further in transmission connection with the corresponding transmission gears, and the distances between the second supporting rods and the first supporting rods are adjusted through the adjusting rods. And through cooperation of a driven gear, a transmission gear and a driving gear, the multiple second supporting rods can be controlled at the same time, and a rotating motor is further arranged as a power source, so that the time and labor are saved, and the height of the device can be rapidly adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal mine geology, in particular to a rock layer soil sampling device. Background Art

[0002] Soil is the loose surface layer on the earth where green plants can grow. Soil comes from rocks, inorganic matter, and organic matter, and is mainly composed of minerals, air, water, and organic matter. Different soil types have different stratifications, and are generally divided into three layers: topsoil, subsoil, and subsoil. In order to make a simple judgment on the general soil quality inspection by observing the soil layer, when sampling the soil layer, it is necessary to insert the sampling device into the soil. The existing sampling device cannot crush the rocks in the soil, and is often blocked by the rocks during the insertion into the soil, which greatly reduces the work efficiency of scientific researchers. The prior art CN211122071U discloses a rock and soil sampling mechanical device for civil engineering, including a top frame, A vertically arranged hydraulic telescopic rod, the upper end of the hydraulic telescopic rod is fixedly connected to the bottom end of the top frame, a sampling tube, the sampling tube is vertically arranged below the top frame, the sampling tube is provided with a plurality of sampling windows evenly spaced from top to bottom, a first rotating shaft, the first rotating shaft is vertically arranged, the first rotating shaft is rotatably arranged on the sampling tube, both ends of the first rotating shaft are rotated to extend the sampling tube, a drill bit, the drill bit is fixedly connected to the lower end of the first rotating shaft, a first driving device, the first driving device is fixedly connected to the top frame, the first driving device is transmission-connected to the upper end of the first rotating shaft, can drill hard rocks in the soil, can be beneficial to the collection of soil samples in deep soil, and can collect soil samples from different soil layers separately, but the sampling range of the above-mentioned device is relatively small.

[0003] Prior art patent CN214096676U discloses a rock layer soil sampling device for metal mine exploration, including a base plate, a plurality of first motors are fixedly connected to one side of the base plate, a threaded rod is fixedly connected to the output end of the first motor, a sliding block is slidably connected to the threaded rod, the sliding block is sleeved and slidably connected to a plurality of vertically arranged fixed rods, the fixed rod is fixedly connected to the base plate, both ends of the plurality of sliding blocks close to each other are hinged with a first connecting rod, a first fixed plate is also provided, the first connecting rod is hinged to the first fixed plate at one end away from the sliding block, the first fixed plate is provided with a vertically arranged first through hole, the first fixed plate is fixedly connected to a sampling mechanism at one end away from the base plate, the sampling mechanism includes a sampling tube and a sampling plate, the sampling plate is fixedly connected to a plurality of first cylinders along the axial direction of the sampling tube, and the first fixed plate is fixedly connected to an end of the base plate close to the first connecting rod. There is a clamping mechanism, which includes a second cylinder and a first plug rod, and a plurality of fixing devices are fixedly connected to the corner of the bottom plate near the first motor side. The fixing device includes a first support rod and a second support rod, the first support rod is fixedly connected to the bottom plate, the second support rod is sleeved on the first support rod and the two are slidably connected, the first support rod and the second support rod are both provided with through grooves in the same direction, and the second plug rod is inserted into the through groove. By adopting the above technical solution, a mounting foot can be added to the end of the second support rod away from the first support rod, which is convenient for fixing the entire device. The height of the fixing device can be changed by the second plug rod and the second support rod, and then the entire device can be fixed on an inclined ground, thereby increasing the applicability of the device; this prior art has the advantages of expanding the sampling range and improving the sampling efficiency.

[0004] However, in the above-mentioned prior art, since the fixing device adjusts the height by sliding the second support rod on the first support rod and then fixes it by the second pin, this adjustment method is time-consuming and labor-intensive, and is not convenient for quickly adjusting the height of the device. Utility Model Content

[0005] The utility model aims to provide a rock soil sampling device, aiming to solve the technical problem in the prior art that the fixing device is adjusted in height by sliding the second support rod on the first support rod and then fixing it by a second pin, and this adjustment method is time-consuming and labor-intensive, and is not convenient for quickly adjusting the height of the device.

[0006] To achieve the above-mentioned purpose, the utility model adopts a rock soil sampling device, including multiple first support rods, a bottom plate and a linkage mechanism, a second support rod is slidably arranged in the first support rod, a support wheel is arranged below the second support rod, multiple transmission mechanisms are arranged below the bottom plate, a sliding block is arranged at the output end of the transmission mechanism, two connecting rods are arranged on one side of the sliding block, a fixed plate is arranged at one end of the two connecting rods, a mounting tube is arranged in the middle of the fixed plate, sampling holes are penetrated on both sides of the mounting tube, a sampling mechanism is arranged in the mounting tube, and the sampling mechanism is aligned with the sampling hole, a rotating motor is arranged below the mounting tube, a drill bit is arranged at the output end of the rotating motor, multiple first support rods are fixedly connected to the bottom plate respectively and are located at the four bottom corners of the bottom plate, and the linkage mechanism includes multiple driven gears, multiple transmission gears, and active gears. Wheel and rotating motor, the lower end surface of the driven gear is provided with an adjusting rod, the adjusting rod has a thread, the second support rod has a thread groove, the base plate has a cavity, multiple driven gears are respectively rotatably connected with the base plate and are located in the cavity, and the adjusting rod passes through the base plate and the first support rod, the adjusting rod is threadedly connected with the corresponding second support rod and is located in the thread groove, multiple transmission gears are rotatably connected with the base plate and are located in the cavity, multiple transmission gears are also respectively transmission-connected with the corresponding driven gears and are located between multiple driven gears, the driving gear is transmission-connected with the rotating motor and is located at the output end of the rotating motor, the driving gear is also transmission-connected with the corresponding transmission gear and is located between multiple transmission gears, the rotating motor is fixedly connected with the base plate and is located on the base plate.

[0007] Wherein, a protective cover is arranged on the rotating motor.

[0008] Wherein, a bearing is arranged on the adjusting rod.

[0009] Among them, the rock formation soil sampling device also includes multiple groups of positioning components, and the positioning components include two positioning rods. The two positioning rods are respectively fixedly connected to the base plate and are located below the base plate, and are also located on both sides of the corresponding transmission mechanism. The two positioning rods are also respectively slidably connected to the sliding block and are located at both ends of the sliding block.

[0010] Among them, the transmission mechanism includes a threaded rod and a transmission motor, the threaded rod is transmission-connected to the transmission motor and is located at the output end of the transmission motor, the sliding block is transmission-connected to the threaded rod and is sleeved on the threaded rod, and the transmission motor is fixedly connected to the base plate and is located below the base plate.

[0011] Wherein, the sampling mechanism includes a threaded block, a bottom column and a connecting plate, both end surfaces of the connecting plate are provided with a plurality of cylinders, the output end of the cylinder is provided with a sampling tube, the threaded block is fixedly connected to the connecting plate and is located at one end of the connecting plate, the threaded block is also threadedly connected to the mounting tube and is located at the upper end of the mounting tube, the bottom column is fixedly connected to the connecting plate and is located at the other end of the connecting plate, the bottom column is slidably connected to the mounting tube and is located at the lower end of the mounting tube, the connecting plate is located in the mounting tube, and the sampling tube is aligned with the sampling hole.

[0012] The utility model discloses a rock formation soil sampling device, comprising a plurality of first support rods, a bottom plate, a linkage mechanism and a plurality of transmission mechanisms, wherein a second support rod is slidably arranged inside the first support rod, a support wheel is arranged below the second support rod, a sliding block is arranged at the output end of the transmission mechanism, two connecting rods are arranged on one side of the sliding block, a fixing plate is arranged at one end of the two connecting rods, a mounting tube is arranged in the middle of the fixing plate, a sampling mechanism is arranged inside the mounting tube, a rotating motor is arranged below the mounting tube, a drill bit is arranged at the output end of the rotating motor, the linkage mechanism comprises a plurality of driven gears, a plurality of transmission gears, a driving gear and a rotating motor, an adjusting rod is arranged on the lower end surface of the driven gear, and the plurality of driven gears are respectively connected to the bottom plate The adjusting rod is threadedly connected with the corresponding second support rod, and the plurality of transmission gears are rotationally connected with the base plate. The plurality of transmission gears are also transmission-connected with the corresponding driven gears respectively. The driving gear is transmission-connected with the rotating motor, and the driving gear is also transmission-connected with the corresponding transmission gear. The rotating motor is fixedly connected with the base plate. The spacing between the second support rod and the first support rod is adjusted by the adjusting rod, and the plurality of second support rods can be controlled simultaneously by the cooperation of the driven gear, the transmission gear and the driving gear. The rotating motor is also provided as a power source, thereby saving time and effort, so that the height of the device can be quickly adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a front view of the first embodiment of the utility model.

[0015] Figure 2The utility model Figure 1 Section view along line AA.

[0016] Figure 3 The utility model Figure 2 Cross-sectional view along line BB.

[0017] Figure 4 The utility model Figure 2 Sectional view along the CC line.

[0018] Figure 5 It is a three-dimensional stereogram of the second embodiment of the utility model.

[0019] Figure 6 It is a front view of the second embodiment of the utility model.

[0020] Figure 7 The utility model Figure 6 Sectional view along line DD.

[0021] Figure 8 The utility model Figure 7 A partial enlarged view of point E in the middle.

[0022] 101-first support rod, 102-bottom plate, 103-second support rod, 104-support wheel, 105-transmission mechanism, 106-sliding block, 107-connecting rod, 108-fixed plate, 109-mounting tube, 110-sampling hole, 111-sampling mechanism, 112-rotating motor, 113-drill bit, 114-driven gear, 115-transmission gear, 116-driving gear, 117-rotating motor, 118-adjusting rod, 119-thread groove, 120-cavity, 121-protective cover, 122-bearing, 201-positioning rod, 202-threaded rod, 203-transmission motor, 204-threaded block, 205-bottom column, 206-connecting plate, 207-sampling tube, 208-cylinder. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] First embodiment:

[0025] See also Figure 1 to Figure 4 ,in Figure 1 This is a front view of the first embodiment of the utility model. Figure 2 The utility model Figure 1The cross-sectional view along the AA line. Figure 3 The utility model Figure 2 The cross-sectional view of the BB line. Figure 4 The utility model Figure 2 Sectional view along the CC line.

[0026] The utility model provides a rock soil sampling device, comprising a plurality of first support rods 101, a bottom plate 102 and a linkage mechanism, wherein the linkage mechanism comprises a plurality of driven gears 114, a plurality of transmission gears 115, a driving gear 116 and a rotating motor 117. The above-mentioned scheme solves the technical problem that the fixing device is adjusted by sliding the second support rod 103 on the first support rod 101 to adjust the height, and then fixing it by a second latch, and this adjustment method is time-consuming and labor-intensive, and is not convenient for quickly adjusting the height of the device.

[0027] According to the present specific embodiment, a second support rod 103 is slidably arranged inside the first support rod 101, a support wheel 104 is arranged below the second support rod 103, a plurality of transmission mechanisms 105 are arranged below the bottom plate 102, a sliding block 106 is arranged at the output end of the transmission mechanism 105, two connecting rods 107 are arranged on one side of the sliding block 106, a fixing plate 108 is arranged at one end of the two connecting rods 107, a mounting tube 109 is arranged in the middle of the fixing plate 108, sampling holes 110 are penetrated on both sides of the mounting tube 109, a sampling mechanism 111 is arranged inside the mounting tube 109, and the sampling mechanism 111 is aligned with the sampling hole 110, and the mounting tube 109 A rotating motor 112 is arranged at the bottom, and a drill bit 113 is arranged at the output end of the rotating motor 112. The plurality of first support rods 101 are respectively fixedly connected to the base plate 102 and are located at the four bottom corners of the base plate 102. The height of the sliding block 106 can be adjusted through the transmission mechanism 105, thereby driving the connecting rod 107 to be adjusted, and at the same time driving the mounting tube 109 downward, and inserted into the soil through the action of the drill bit 113, and can break the rocks in the soil, thereby expanding the sampling range and improving the sampling efficiency. After the position of the mounting tube 109 is fixed, sampling can be carried out. The sampling mechanism 111 can realize one-time multi-layer soil sampling, thereby improving the applicability of the device.

[0028] Among them, the lower end surface of the driven gear 114 is provided with an adjusting rod 118, the adjusting rod 118 has a thread, the second support rod 103 has a thread groove 119, the bottom plate 102 has a cavity 120, and the multiple driven gears 114 are respectively rotatably connected to the bottom plate 102 and are located in the cavity 120, and the adjusting rod 118 passes through the bottom plate 102 and the first support rod 101, the adjusting rod 118 is threadedly connected to the corresponding second support rod 103 and is located in the thread groove 119, the multiple transmission gears 115 are rotatably connected to the bottom plate 102 and are located in the cavity 120, the multiple transmission gears 115 are also respectively transmission-connected to the corresponding driven gears 114 and are located between the multiple driven gears 114, the main The driven gear 116 is connected to the rotating motor 117 in transmission connection and is located at the output end of the rotating motor 117. The driving gear 116 is also connected to the corresponding transmission gear 115 in transmission connection and is located between the multiple transmission gears 115. The rotating motor 117 is fixedly connected to the base plate 102 and is located on the base plate 102. The driven gear 114 can facilitate the adjustment rod 118 to rotate in the base plate 102 under the drive of the transmission gear 115, and at the same time adjust the moving distance of the second support rod 103 in the first support rod 101, so that the height of the device can be adjusted. The driving gear 116 can facilitate the simultaneous driving of multiple transmission gears 115. The rotating motor 117, as a power source, can save time and effort.

[0029] Secondly, a protective cover 121 is provided on the rotating motor 117 , and the protective cover 121 can be used to protect the rotating motor 117 .

[0030] Again, a bearing 122 is provided on the adjusting rod 118 , and the adjusting rod 118 can be rotated in the bottom plate 102 through the bearing 122 , and the adjusting rod 118 is prevented from being displaced up and down.

[0031] When the height of the device is adjusted by using the utility model, the rotating motor 117 is started to make the driving gear 116 drive the multiple transmission gears 115 to move simultaneously, and the transmission gear 115 cooperates with the corresponding driven gear 114, so that the adjusting rod 118 rotates in the thread groove 119, and then the second support rod 103 is affected by the adjusting rod 118 and moves slowly toward the bottom of the first support rod 101, thereby adjusting the height of the device. In this way, the technical problem that the fixing device is to adjust the height by sliding the second support rod 103 on the first support rod 101 and then fixing it by the second latch is solved, and this adjustment method is time-consuming and labor-intensive, and is not convenient for quickly adjusting the height of the device.

[0032] The second embodiment is:

[0033] Based on the first embodiment, please refer to Figures 5 to 8 ,in Figure 5 It is a three-dimensional stereogram of the second embodiment of the utility model. Figure 6 This is a front view of the second embodiment of the utility model. Figure 7 The utility model Figure 6 The cross-sectional view of the DD line, Figure 8 The utility model Figure 7 A partial enlarged view of point E in the middle.

[0034] The utility model provides a rock soil sampling device, which also includes multiple positioning components. The transmission mechanism 105 includes a threaded rod 202 and a transmission motor 203 , and the sampling mechanism 111 includes a threaded block 204 , a bottom column 205 and a connecting plate 206 .

[0035] For this specific embodiment, the positioning assembly includes two positioning rods 201, and the two positioning rods 201 are respectively fixedly connected to the base plate 102 and are located below the base plate 102, and are also located on both sides of the corresponding transmission mechanism 105. The two positioning rods 201 are also respectively slidably connected to the sliding block 106 and are located at both ends of the sliding block 106. The positioning rods 201 can improve the stability of the sliding block 106 during movement.

[0036] Among them, the threaded rod 202 is transmission-connected to the transmission motor 203 and is located at the output end of the transmission motor 203, the sliding block 106 is transmission-connected to the threaded rod 202 and is sleeved on the threaded rod 202, the transmission motor 203 is fixedly connected to the base plate 102 and is located below the base plate 102, and the cooperation between the threaded rod 202 and the transmission motor 203 can facilitate the driving of the sliding block 106, thereby adjusting the position of the sliding block 106.

[0037] Secondly, a plurality of cylinders 208 are provided on both end surfaces of the connecting plate 206, and a sampling tube 207 is provided at the output end of the cylinder 208. The threaded block 204 is fixedly connected to the connecting plate 206 and is located at one end of the connecting plate 206. The threaded block 204 is also threadedly connected to the mounting tube 109 and is located at the upper end of the mounting tube 109. The bottom column 205 is fixedly connected to the connecting plate 206 and is located at the other end of the connecting plate 206. The bottom column 205 is slidably connected to the mounting tube 109 and is located at the lower end of the mounting tube 109. The connecting plate 206 is located in the mounting tube 109, and the sampling tube 207 is aligned with the sampling hole 110. The threaded block 204 can be used to facilitate the positioning of the bottom column 205 and the connecting plate 206. Thereby, the bottom column 205 and the connecting plate 206 are prevented from falling out of the mounting tube 109 during the sampling operation of the sampling tube 207. The sampling principle of the sampling mechanism 111 is as follows: the plurality of cylinders 208 are started, so that the cylinders 208 push the sampling tubes 207, so that the plurality of sampling tubes 207 are inserted into the soil in different ranges through the sampling holes 110. When the sampling is completed, the cylinders 208 are continuously controlled so that the cylinders 208 drive the sampling tubes 207 to retract into the mounting tube 109. Finally, the threaded block 204 is rotated so that the threaded block 204 drives the connecting plate 206 to be removed from the mounting tube 109, and the sampling tube 207 can be removed from the cylinders 208. The present design realizes one-time multi-layer soil sampling and improves the applicability of the device.

[0038] A rock layer soil sampling device according to the present embodiment can improve the stability of the sliding block 106 when it moves by means of the positioning rod 201, the cooperation between the threaded rod 202 and the transmission motor 203 can facilitate the driving of the sliding block 106, so that the position of the sliding block 106 can be adjusted, and the threaded block 204 can facilitate the positioning of the bottom column 205 and the connecting plate 206, so as to prevent the bottom column 205 and the connecting plate 206 from falling out of the mounting tube 109 during the sampling operation of the sampling tube 207. The sampling principle of the sampling mechanism 111 is as follows: start multiple The cylinder 208 is used to push the sampling tube 207, so that multiple sampling tubes 207 are inserted into soil in different ranges through the sampling hole 110. When sampling is completed, the cylinder 208 is continuously controlled to drive the sampling tube 207 to retract into the mounting tube 109. Finally, the threaded block 204 is rotated to drive the connecting plate 206 to be removed from the mounting tube 109, and the sampling tube 207 can be removed from the cylinder 208. This design realizes one-time multi-layer soil sampling and improves the applicability of the device.

[0039] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A rock soil sampling device, comprising a plurality of first support rods and a bottom plate, wherein a second support rod is slidably arranged in the first support rod, a support wheel is arranged below the second support rod, a plurality of transmission mechanisms are arranged below the bottom plate, a sliding block is arranged at the output end of the transmission mechanism, two connecting rods are arranged on one side of the sliding block, a fixing plate is arranged at one end of the two connecting rods, a mounting tube is arranged in the middle of the fixing plate, sampling holes are penetrated on both sides of the mounting tube, a sampling mechanism is arranged in the mounting tube, and the sampling mechanism is aligned with the sampling holes, a rotating motor is arranged below the mounting tube, a drill bit is arranged at the output end of the rotating motor, a plurality of the first support rods are respectively fixedly connected to the bottom plate and are located at four bottom corners of the bottom plate, characterized in that It also includes linkage mechanisms; The linkage mechanism includes a plurality of driven gears, a plurality of transmission gears, a driving gear and a rotating motor, an adjusting rod is provided on the lower end surface of the driven gear, the adjusting rod is provided with a thread, a thread groove is provided in the second support rod, a cavity is provided in the base plate, a plurality of the driven gears are respectively rotatably connected with the base plate and are located in the cavity, and the adjusting rod passes through the base plate and the first support rod, the adjusting rod is threadedly connected with the corresponding second support rod and is located in the thread groove, a plurality of the transmission gears are rotatably connected with the base plate and are located in the cavity, a plurality of the transmission gears are also respectively transmission-connected with the corresponding driven gears and are located between the plurality of the driven gears, the driving gear is transmission-connected with the rotating motor and is located at the output end of the rotating motor, the driving gear is also transmission-connected with the corresponding transmission gear and is located between the plurality of transmission gears, and the rotating motor is fixedly connected with the base plate and is located on the base plate.

2. The rock layer soil sampling device according to claim 1, characterized in that: A protective cover is arranged on the rotating motor.

3. The rock layer soil sampling device according to claim 2, characterized in that: A bearing is arranged on the adjusting rod.

4. The rock layer soil sampling device according to claim 3, characterized in that: The rock formation soil sampling device also includes multiple groups of positioning components, and the positioning components include two positioning rods. The two positioning rods are respectively fixedly connected to the base plate and are located below the base plate and on both sides of the corresponding transmission mechanism. The two positioning rods are also respectively slidably connected to the sliding block and are located at both ends of the sliding block.

5. The rock layer soil sampling device according to claim 4, characterized in that: The transmission mechanism includes a threaded rod and a transmission motor. The threaded rod is transmission-connected to the transmission motor and is located at the output end of the transmission motor. The sliding block is transmission-connected to the threaded rod and is sleeved on the threaded rod. The transmission motor is fixedly connected to the base plate and is located below the base plate.

6. The rock layer soil sampling device according to claim 5, characterized in that: The sampling mechanism includes a threaded block, a bottom column and a connecting plate. Both end surfaces of the connecting plate are provided with a plurality of cylinders. A sampling tube is provided at the output end of the cylinder. The threaded block is fixedly connected to the connecting plate and is located at one end of the connecting plate. The threaded block is also threadedly connected to the mounting tube and is located at the upper end of the mounting tube. The bottom column is fixedly connected to the connecting plate and is located at the other end of the connecting plate. The bottom column is slidably connected to the mounting tube and is located at the lower end of the mounting tube. The connecting plate is located in the mounting tube, and the sampling tube is aligned with the sampling hole.

Citation Information

Patent Citations

  • Rock-soil sampling mechanical device for civil engineering

    CN211122071U