Convenient sampling equipment for geotechnical engineering investigation
By using the design of the L-shaped fixing bracket and inner wall cutting drill bit on the geotechnical sampling equipment, the problem that traditional equipment is difficult to fix on steep mountains and cut rocks is solved, and effective geotechnical sampling and sample acquisition on steep mountains is achieved.
Patent Information
- Application Number
- CN202421195807.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Traditional geotechnical sampling equipment is difficult to fix on the steep mountain surface and sample the mountain surface and deep rock, and it is difficult to cut off the rock and remove rock samples.
The sampling equipment is fixed to the ground or mountain surface using a special L-shaped fixing bracket, and the cutting drill bit that can extend the cutting head through the inner wall, and after cutting the soil and rock, the rock is cut off from the inner wall to complete the sampling.
It realizes the fixed sampling equipment on the surface of steep mountains and effectively sample the rocks, which can cut off the rocks and smoothly remove rock samples, greatly improving the applicability of the sampling equipment.
Smart Images
Figure CN222850326U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of geotechnical engineering sampling, in particular to a convenient sampling device for geotechnical engineering investigation. Background Art
[0002] Geotechnical engineering investigation refers to the activities of investigating, analyzing and evaluating surface and underground geotechnical conditions during the construction of civil engineering projects. The main purpose of geotechnical engineering investigation is to provide necessary geological and underground information for engineering design, construction and monitoring to ensure the safety, stability and economic rationality of the project.
[0003] Some geotechnical sampling equipment is often used in geotechnical engineering investigation. Geotechnical sampling equipment usually has the characteristics of simple structure, easy to carry and easy to operate, and is suitable for geotechnical engineering investigation in the field environment. The samples obtained by these equipment can provide important reference data for engineering design and construction, helping engineers to better understand the formation conditions and geological characteristics, thereby ensuring the safety and reliability of the project.
[0004] The prior art has the following deficiencies: conventional rock and soil sampling equipment can usually only be fixed on the ground and drill downward to sample surface and underground rock and soil. For some steeper mountains, conventional rock and soil sampling equipment is usually difficult to fix. Therefore, conventional rock and soil sampling equipment has the problem of being difficult to fix on the surface of a steep mountain and sampling rock and soil on the surface and deep inside the mountain. Furthermore, when drilling hard rock, the sampling drill bit of conventional rock and soil sampling equipment can cut the rock and collect the rock into the sampling tube, but it is difficult to cut off the rock on the inner wall of the sampling tube, resulting in the sampling equipment being unable to be pulled out normally. Therefore, conventional rock and soil sampling equipment also has the problem of being difficult to cut off the rock and take out the rock sample.
[0005] Therefore, it is necessary to invent a convenient sampling device for geotechnical engineering investigation. Utility Model Content
[0006] To this end, the utility model provides a convenient sampling device for geotechnical engineering survey, which fixes the sampling device on the ground or the surface of a mountain through a special L-shaped fixing bracket, and then cuts the soil and rock through a cutting drill bit whose cutter head can be extended from the inner wall, and cuts the rock from the inner wall to complete the sampling, so as to solve the problem that the traditional geotechnical sampling device is difficult to be fixed on the steep mountain surface and to sample the rock and soil on the mountain surface and deep inside, and the problem that the traditional geotechnical sampling device is difficult to cut the rock and take out the rock sample
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient sampling device for geotechnical engineering survey, comprising a sampling tube, the outer wall of the sampling tube is covered with an outer sleeve, connecting rods are fixedly installed on the upper and lower sides of one end of the outer sleeve, a motor is fixedly installed on the end of the connecting rod away from the outer sleeve, the motor is fixedly installed between the upper and lower connecting rods, a turntable is fixedly installed on the output end of the motor close to the sampling tube, the end of the turntable away from the motor is fixedly connected to one end of the sampling tube, a fixed bracket is provided at the bottom of the outer sleeve, the fixed bracket can fix the outer sleeve on the ground or the surface of a mountain, a cutting drill bit is fixedly installed on the end of the sampling tube away from the turntable, the cutting drill bit can cut soil and rock, and the cutting drill bit can also cut rock on the inner wall.
[0008] Preferably, the fixed bracket includes a fixed plate, which is an L-shaped plate, a groove is provided on one side of the top surface of the fixed plate, slide rails are fixedly installed on both sides of the inner wall of the groove of the fixed plate, slide rods are fixedly installed on both sides of the outer sleeve, the slide rods can be inserted into the slide rails, and the outer sleeve is slidably installed in the groove of the fixed plate through the slide rods and the slide rails.
[0009] Preferably, the fixed bracket includes a fixed plate, which is an L-shaped plate, a groove is provided on one side of the top surface of the fixed plate, slide rails are fixedly installed on both sides of the inner wall of the groove of the fixed plate, slide rods are fixedly installed on both sides of the outer sleeve, the slide rods can be inserted into the slide rails, and the outer sleeve is slidably installed in the groove of the fixed plate through the slide rods and the slide rails.
[0010] Preferably, the cutting drill bit comprises a sampling ring, the sampling ring is fixedly mounted on one end of the sampling tube away from the turntable, an annular blade is fixedly mounted on one end of the sampling ring away from the sampling tube, and the sampling ring.
[0011] Preferably, a plurality of grooves are provided on a side of the sampling ring close to the sampling tube, the grooves of the sampling ring are arranged around the side of the sampling ring close to the sampling tube, a slide groove perpendicular to the groove is provided on the inner wall of the groove of the sampling ring, the slide groove in the groove of the sampling ring extends toward the center of the sampling ring and penetrates the sampling ring to the inner wall of the sampling ring, a groove is provided on the outer wall of one end of the sampling tube close to the sampling ring, and the plurality of grooves correspond to the grooves on the end face of the sampling ring.
[0012] Preferably, the cutting drill bit includes an inner sleeve, which is sleeved on the outer wall of the sampling tube and slidably installed between the sampling tube and the outer sleeve. A hydraulic rod is fixedly installed on the outer edge of the turntable close to the sampling tube, and the end of the hydraulic rod away from the turntable is fixedly connected to one end of the inner sleeve.
[0013] Preferably, the cutting drill bit includes a pin, which is fixedly mounted on one end of the inner casing close to the sampling ring, and the pin is slidably mounted in the slot, and the end of the pin away from the inner casing can be inserted into the slot of the sampling ring, and a pointed conical cutter head is slidably mounted in the sliding groove in the slot of the sampling ring, and when the pin is inserted into the slot of the sampling ring, the pointed conical cutter head can be pushed out from the inner wall of the sampling ring.
[0014] Preferably, a handle is fixedly mounted on one end of the slide rod close to the connecting rod, the handle is arranged on one end of the outer sleeve close to the motor, the handle is arranged on the outside of the motor, and both ends of the handle are fixedly connected to the slide rods on both sides of the outer sleeve.
[0015] The beneficial effects of the utility model are as follows: the sampling device is fixed on the ground or the surface of a mountain through a special L-shaped fixing bracket, and then a cutting drill bit whose cutter head can be extended from the inner wall is used to cut the soil and rock and then cut off the rock from the inner wall to complete the sampling, so as to achieve the effect of being able to fix the sampling device on the steep mountain surface and sample the rock and soil on the mountain surface and deep inside, and being able to cut off the rock and smoothly take out the rock sample, which greatly improves the applicability of the sampling device and enables the sampling device to adapt to the sampling work of rock mountains. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A front view of a convenient sampling device for geotechnical engineering investigation provided by the utility model;
[0017] Figure 2 A side view of a convenient sampling device for geotechnical engineering investigation provided by the utility model;
[0018] Figure 3 An exploded view of an outer sleeve and an inner sleeve of a convenient sampling device for geotechnical engineering investigation provided by the utility model;
[0019] Figure 4 A schematic diagram of the structure of a cutting drill bit of a convenient sampling device for geotechnical engineering survey provided by the utility model;
[0020] Figure 5 A cross-sectional view of a cutting drill bit of a convenient sampling device for geotechnical engineering investigation provided by the utility model.
[0021] In the figure: a handle 10, an outer sleeve 11, a slide rod 12, a connecting rod 13, a motor 14, a turntable 15, a sampling tube 16, a slot 17, a hydraulic rod 18, an inner sleeve 19, a latch 20, a sampling ring 21, an annular blade 22, a conical cutter head 23, a fixing plate 31, a slide rail 32, and a support rod 33. DETAILED DESCRIPTION
[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0023] Example 1
[0024] like Figure 1-Figure 3 As shown, a convenient sampling device for geotechnical engineering survey in an embodiment of the first aspect of the utility model comprises a sampling tube 16, the outer wall of the sampling tube 16 is sleeved with an outer sleeve 11, connecting rods 13 are fixedly installed on the upper and lower sides of one end of the outer sleeve 11, a motor 14 is fixedly installed on the end of the connecting rod 13 away from the outer sleeve 11, the motor 14 is fixedly installed between the upper and lower connecting rods 13, a turntable 15 is fixedly installed on the output end of the motor 14 close to the sampling tube 16, the end of the turntable 15 away from the motor 14 is fixedly connected to one end of the sampling tube 16, a fixed bracket is provided at the bottom of the outer sleeve 11, the fixed bracket can fix the outer sleeve 11 on the ground or the surface of a mountain, a cutting drill bit is fixedly installed on the end of the sampling tube 16 away from the turntable 15, the cutting drill bit can cut soil and rock, and the cutting drill bit can also cut rock on the inner wall.
[0025] In the above embodiment, it should be noted that the outer wall diameter of the sampling tube 16 is smaller than the inner wall diameter of the outer sleeve 11. The motor 14 drives the turntable 15 to rotate, and the turntable 15 drives the sampling tube 16 to rotate. The sampling tube 16 drives the cutting drill bit at the front end to rotate, so as to achieve the effect of cutting soil and rock and loading the soil and rock into the sampling tube 16. The sampling device is fixed to the ground or the mountain surface by a special L-shaped fixing bracket, and then the cutting drill bit whose blade can extend out of the inner wall cuts off the rock from the inner wall after cutting the soil and rock to complete the sampling, so as to achieve the effect of being able to fix the sampling device on the steep mountain surface and sample the rock and soil on the mountain surface and deep inside, and being able to cut off the rock and smoothly take out the rock sample, which greatly improves the applicability of the sampling device and enables the sampling device to adapt to the sampling work of rock mountains.
[0026] Example 2
[0027] like Figure 1-Figure 3As shown, a convenient sampling device for geotechnical engineering investigation includes all the contents of Example 1. In addition, the fixed bracket includes a fixed plate 31, and the fixed plate 31 is an L-shaped plate. A groove is provided on one side of the top surface of the fixed plate 31. Slide rails 32 are fixedly installed on both sides of the inner wall of the groove of the fixed plate 31. Slide rods 12 are fixedly installed on both sides of the outer sleeve 11. The slide rods 12 can be inserted into the slide rails 32. The outer sleeve 11 is slidably installed in the groove of the fixed plate 31 through the slide rods 12 and the slide rails 32. The fixed bracket includes a support rod 33, and the two ends of the support rod 33 are respectively fixedly connected to the two sides of the fixed plate 31 that form an angle at two ends at two points. An opening is provided at one end of the fixed plate 31 away from the slide rail 32, and bolts or pins can be inserted into the opening of the fixed plate 31.
[0028] In the above embodiment, it should be noted that the fixing plate 31 is an L-shaped plate. The side of the fixing plate 31 without the slide rail is placed close to the steep mountain surface, and then bolts or pins are inserted into the openings of the fixing plate 31. The fixing plate 31 is firmly fixed to the mountain surface by the bolts or pins. Then, the outer sleeve 11 is slidably installed in the groove of the fixing plate 31, so that the outer sleeve 11 slides along the groove of the fixing plate 31 toward the mountain direction, so as to achieve the effect of driving the sampling tube 16 to take samples in the direction of the mountain.
[0029] Example 3
[0030] like Figure 1-Figure 5As shown, a convenient sampling device for geotechnical engineering investigation includes all the contents of Example 1. In addition, the cutting drill bit includes a sampling ring 21, and the sampling ring 21 is fixedly installed on the end of the sampling tube 16 away from the turntable 15. The end of the sampling ring 21 away from the sampling tube 16 is fixedly installed with an annular blade 22. The sampling ring 21 is provided with a plurality of grooves on the side of the sampling ring 21 close to the sampling tube 16. The grooves of the sampling ring 21 are arranged around the side of the sampling ring 21 close to the sampling tube 16. The inner wall of the groove of the sampling ring 21 is provided with a slide groove perpendicular to the groove. The slide groove in the groove of the sampling ring 21 extends toward the center of the sampling ring 21 and penetrates the sampling ring 21 to the inner wall of the sampling ring 21. The outer wall of the end of the sampling tube 16 close to the sampling ring 21 is provided with a groove 17. The plurality of grooves 17 are connected to the sampling ring 21. The end surface of the sample ring 21 is grooved correspondingly, and the cutting drill bit includes an inner sleeve 19, which is sleeved on the outer wall of the sampling tube 16 and slidably installed between the sampling tube 16 and the outer sleeve 11. A hydraulic rod 18 is fixedly installed on the outer edge of the turntable 15 on one side close to the sampling tube 16, and the end of the hydraulic rod 18 away from the turntable 15 is fixedly connected to one end of the inner sleeve 19. The cutting drill bit includes a pin 20, which is fixedly installed on the end of the inner sleeve 19 close to the sampling ring 21, and the pin 20 is slidably installed in the groove 17. The end of the pin 20 away from the inner sleeve 19 can be inserted into the groove of the sampling ring 21, and a pointed cone cutter head 23 is slidably installed in the sliding groove in the groove of the sampling ring 21. When the pin 20 is inserted into the groove of the sampling ring 21, the pointed cone cutter head 23 can be pushed out from the inner wall of the sampling ring 21.
[0031] In the above embodiment, it should be noted that the outer wall diameter of the sampling ring 21 is equal to the outer diameter of the outer sleeve 11, the outer diameter of the sampling tube 16 is equal to the inner diameter of the inner sleeve 19, the outer diameter of the inner sleeve 19 is equal to the inner diameter of the outer sleeve 11, and the annular blade 22 is a metal blade head. When the sampling tube 16 rotates, the sampling ring 21 is driven to rotate, and the sampling ring 21 drives the annular blade 22 to rotate, and then drives the sampling tube 16 to gradually approach the surface of the mountain. The sampling tube 16 drives the sampling ring 21 and the annular blade 22 to approach the mountain and drill the mountain, so as to achieve the purpose of sampling soil and rock. The effect of the sampling tube 16 is that when the rock sample enters the sampling tube 16, the hydraulic rod 18 is started, and the hydraulic rod 18 pushes the inner sleeve 19 to slide along the surface of the sampling tube 16. The inner sleeve 19 drives the front end pin 20 to slide along the slot 17 and insert into the slot of the sampling ring 21. When the pin 20 is inserted into the slot of the sampling ring 21, it pushes the pointed cone cutter head 23 to extend from the inner wall of the sampling ring 21. As the sampling ring 21 rotates, the pointed cone cutter head 23 gradually extends from the inner wall of the sampling ring 21 to cut the rock surface of the inner wall of the sampling ring 21, so as to achieve the effect of cutting off the inner wall rock.
[0032] Example 4
[0033] like Figure 1 and Figure 2 As shown, a convenient sampling device for geotechnical engineering investigation includes all the contents of Example 2. In addition, a handle 10 is fixedly installed on one end of the sliding rod 12 close to the connecting rod 13, and the handle 10 is arranged on one end of the outer sleeve 11 close to the motor 14. The handle 10 is arranged on the outside of the motor 14, and the two ends of the handle 10 are fixedly connected to the sliding rod 12 on both sides of the outer sleeve 11.
[0034] In the above embodiment, it should be noted that the handle 10 is a metal handle, and pulling or pushing the handle 10 can drive the outer sleeve 11 to slide back and forth along the slide rail 32 to complete sampling.
[0035] The use process of the utility model is as follows: the technicians in this field place the side of the fixing plate 31 without the slide rail close to the steep mountain surface, then insert bolts or pins into the openings of the fixing plate 31, and firmly fix the fixing plate 31 on the mountain surface by means of the bolts or pins, then slide the outer sleeve 11 into the slot of the fixing plate 31, start the motor 14 to drive the turntable 15 to rotate, the turntable 15 drives the sampling tube 16 to rotate, the sampling tube 16 drives the sampling ring 21 to rotate, the sampling ring 21 drives the annular blade 22 to rotate, then push the handle 10 to slide the outer sleeve 11 to drive the sampling tube 16 close to the mountain surface, the sampling tube 16 drives the sampling ring 21 and the annular blade 22 toward the mountain direction Get close to and drill into the mountain, sample the soil and rock into the sampling tube 16. When the rock sample enters the sampling tube 16, start the hydraulic rod 18, which pushes the inner sleeve 19 to slide along the surface of the sampling tube 16. The inner sleeve 19 drives the front end pin 20 to slide along the slot 17 and insert into the slot of the sampling ring 21. When the pin 20 is inserted into the slot of the sampling ring 21, it pushes the pointed cone cutter head 23 to extend from the inner wall of the sampling ring 21. As the sampling ring 21 rotates, the pointed cone cutter head 23 gradually extends from the inner wall of the sampling ring 21 to cut the rock surface of the inner wall of the sampling ring 21 and cut off the inner wall rock. Finally, pull the handle 10 to slide the outer sleeve 11 to drive the sampling tube 16 out of the mountain, and the sampling work is completed.
[0036] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A convenient sampling device for geotechnical engineering investigation, comprising a sampling tube (16), the outer wall of the sampling tube (16) is covered with an outer sleeve (11), the upper and lower sides of one end of the outer sleeve (11) are fixedly mounted with connecting rods (13), the end of the connecting rod (13) away from the outer sleeve (11) is fixedly mounted with a motor (14), the motor (14) is fixedly mounted between the upper and lower connecting rods (13), the output end of the motor (14) close to the sampling tube (16) is fixedly mounted with a turntable (15), the end of the turntable (15) away from the motor (14) is fixedly connected to one end of the sampling tube (16), and the characteristic is that: A fixing bracket is provided at the bottom of the outer sleeve (11), and the fixing bracket can fix the outer sleeve (11) on the ground or the surface of a mountain. A cutting drill bit is fixedly installed at one end of the sampling tube (16) away from the turntable (15), and the cutting drill bit can cut soil and rock, and the cutting drill bit can also cut off the rock on the inner wall.
2. A convenient sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The fixed bracket comprises a fixed plate (31), the fixed plate (31) is an L-shaped plate, a top surface of the fixed plate (31) is provided with a slot on one side, the inner walls of the slot of the fixed plate (31) are fixedly mounted with slide rails (32) on both sides, the outer sleeve (11) is fixedly mounted with slide rods (12) on both sides, the slide rods (12) can be inserted into the slide rails (32), and the outer sleeve (11) is slidably mounted in the slot of the fixed plate (31) via the slide rods (12) and the slide rails (32).
3. A convenient sampling device for geotechnical engineering investigation according to claim 2, characterized in that: The fixed bracket comprises a support rod (33), the two ends of the support rod (33) are respectively fixedly connected to two sides of the fixed plate (31) forming an angle at two ends of two points, and an opening is provided at one end of the fixed plate (31) away from the slide rail (32), and a bolt or a pin can be inserted into the opening of the fixed plate (31).
4. The convenient sampling device for geotechnical engineering investigation according to claim 1 is characterized in that: The cutting drill bit comprises a sampling ring (21), wherein the sampling ring (21) is fixedly mounted on one end of the sampling tube (16) away from the rotating disk (15), and an annular blade (22) is fixedly mounted on the end of the sampling ring (21) away from the sampling tube (16).
5. The convenient sampling device for geotechnical engineering investigation according to claim 4 is characterized in that: A plurality of grooves are arranged on one side of the sampling ring (21) close to the sampling tube (16); the grooves of the sampling ring (21) are arranged around the side of the sampling ring (21) close to the sampling tube (16); a slide groove perpendicular to the groove is arranged on the inner wall of the groove of the sampling ring (21); the slide groove in the groove of the sampling ring (21) extends toward the center of the sampling ring (21) and penetrates the sampling ring (21) to the inner wall of the sampling ring (21); a groove (17) is arranged on the outer wall of one end of the sampling tube (16) close to the sampling ring (21); and the plurality of grooves (17) correspond to the grooves on the end surface of the sampling ring (21).
6. The convenient sampling device for geotechnical engineering investigation according to claim 5, characterized in that: The cutting drill bit comprises an inner sleeve (19), the inner sleeve (19) is sleeved on the outer wall of the sampling tube (16) and is slidably installed between the sampling tube (16) and the outer sleeve (11), a hydraulic rod (18) is fixedly installed on the outer edge of one side of the rotating disk (15) close to the sampling tube (16), and the end of the hydraulic rod (18) away from the rotating disk (15) is fixedly connected to one end of the inner sleeve (19).
7. A convenient sampling device for geotechnical engineering investigation according to claim 6, characterized in that: The cutting drill bit comprises a pin (20), wherein the pin (20) is fixedly mounted on one end of the inner sleeve (19) close to the sampling ring (21), and the pin (20) is slidably mounted in the slot (17). The end of the pin (20) away from the inner sleeve (19) can be inserted into the slot of the sampling ring (21), and a pointed cone cutter head (23) is slidably mounted in a sliding groove in the slot of the sampling ring (21). When the pin (20) is inserted into the slot of the sampling ring (21), the pointed cone cutter head (23) can be pushed to extend from the inner wall of the sampling ring (21).
8. The convenient sampling device for geotechnical engineering investigation according to claim 3 is characterized by: A handle (10) is fixedly mounted on one end of the slide bar (12) close to the connecting rod (13); the handle (10) is arranged on one end of the outer sleeve (11) close to the motor (14); the handle (10) is arranged on the outside of the motor (14); and both ends of the handle (10) are fixedly connected to the slide bar (12) on both sides of the outer sleeve (11).
Citation Information
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