CN220251655U - Pneumatic geotechnical density test device - Google Patents
Pneumatic geotechnical density test device Download PDFInfo
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- CN220251655U CN220251655U CN202321357628.8U CN202321357628U CN220251655U CN 220251655 U CN220251655 U CN 220251655U CN 202321357628 U CN202321357628 U CN 202321357628U CN 220251655 U CN220251655 U CN 220251655U
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000005086 pumping Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 14
- 238000007689 inspection Methods 0.000 abstract description 37
- 239000002689 soil Substances 0.000 abstract description 20
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005056 compaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model belongs to the field of soil quality detection, in particular to a pneumatic geotechnical density test device which comprises a detection box body; the detection box body is internally provided with a density detection cabin, a thread is arranged at a position, close to the top end, of the inner part of the density detection cabin, a lower pressing block is sleeved at a position, close to the thread, of the density detection cabin, a pressing hole is formed in the top of the lower pressing block, close to the right side, of the lower pressing block, the center of the top of the lower pressing block is fixedly connected with the bottom of a supporting rod, the top of the supporting rod is fixedly connected with the top of a hand wheel, close to the center, of the supporting rod, and one end of an air inlet pipe is sleeved at the top of the pressing hole; through seting up the screw thread at the inspection box, the push pedal is pushed down in the top installation, opens the structural design who establishes the pressurization mouth at the board top, has realized can be through pushing down the soil compaction, from the function of pressurization mouth injection gas detection atmospheric pressure density again, has solved in the past and has adopted the water injection to exhaust to lead to the relatively poor problem of exhaust effect, has improved the efficiency of inspection precision.
Description
Technical Field
The utility model relates to the field of soil quality detection, in particular to a pneumatic geotechnical density test device.
Background
The geotechnical test is an important link of engineering geological investigation work, provides reliable physical and mechanical property indexes of soil for researching soil deformation mechanism and engineering geological properties in engineering design and engineering geological investigation, and soil density is one of basic physical property indexes of the soil, and geotechnical density test is a test for measuring soil density.
The existing pneumatic geotechnical density inspection device adopts the structure that a water injection pipe is arranged at the top of an inspection box body, the box body is far away from a main water pipe, an exhaust pipe is arranged at the top of the box body, a pressurizing port is arranged at the center of the top of the box body, a barometer is arranged at the center of the top of the box body, water injection and exhaust are carried out, gas in soil is discharged, and then the box body is pressurized for density detection and air tightness detection effects.
The existing pneumatic geotechnical density inspection device is characterized in that air is filled into the interior of an inspection box to be exhausted, and then air pressure is pumped into the inspection box through a pressurizing port to inspect the density and the air tightness of the land, but the air is required to be exhausted when the water is filled, and if the air is not exhausted to inspect, the inspection result is quite easy to be inaccurate; therefore, a pneumatic geotechnical density test device is proposed to solve the above problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the prior pneumatic geotechnical density testing device adopts water injection in the testing box body to remove air, and adopts a pressurizing port to pump air pressure into the testing box body to test the density and the air tightness of the land, but the problem that the testing result is inaccurate easily caused by the fact that the air is not emptied for testing when the water injection and the air discharge are carried out.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a pneumatic geotechnical density test device, which comprises a detection box body; the detection box body is internally provided with a density detection cabin, a thread is arranged at a position, close to the top end, of the inner part of the density detection cabin, a lower pressing block is sleeved at a position, close to the thread, of the density detection cabin, a pressing hole is formed in the top of the lower pressing block, close to the right side, of the lower pressing block, the center of the top of the lower pressing block is fixedly connected with the bottom of a supporting rod, the top of the supporting rod is fixedly connected with the top of a hand wheel, close to the center, one end of an air inlet pipe is sleeved at the top of the pressing hole, and one end, far from the pressing hole, of the air inlet pipe is sleeved at the top of an air outlet hole;
the air outlet is formed in the position, close to the left side, of the top of the air pressure box body, the air pressure detection cabin is formed in the air pressure box body, the display is fixedly connected to the position, close to the center, of the top of the air pressure box body, the air inlet is fixedly connected to the right side of the top of the air pressure box body, and one end of the pumping pressure pipe is sleeved on the top of the air inlet.
Preferably, one end of the pumping pipe far away from the air inlet is sleeved at the top of the pumping hole, the bottom of the pumping hole is fixedly connected to the top of the air pump at a position close to the left side, the top of the air pressure box is sleeved with a pressure release rod at a position close to the front end, the front end of the pressure release rod is provided with a pressure release hole close to the top, the pressure release rod is internally sleeved with a sealing screw, and the top of the sealing screw is fixedly connected with a rotating handle bottom close to the center.
Preferably, the air inlet is fixedly connected to the top of the air pressure box body at a position close to the right side, one end of the pumping pressure pipe is sleeved on the top of the air inlet, and the bottom of the air outlet is fixedly connected to the top of the air pressure box body at a position close to the left side.
Preferably, the one end that the venthole top cover was equipped with the intake pipe, the one end cover that the venthole was kept away from to the intake pipe is established at the hole top of punching press, the hole bottom fixed connection of punching press is close to the right side position at the briquetting top down.
Preferably, the lower pressing block is sleeved inside the threads, the threads are arranged at the position, close to the top, of the density detection cabin, and the density detection cabin is arranged inside the detection box body.
Preferably, the center of the top of the lower pressing block is fixedly connected with the bottom of the supporting rod, and the top of the supporting rod is fixedly connected with the bottom of the hand wheel close to the center.
The utility model has the advantages that:
1. according to the utility model, the screw thread is arranged on the inspection box body, the pushing plate is arranged at the top of the inspection box body, and the pressurizing port is arranged at the top of the plate, so that the functions of compacting the land through pushing down and then injecting gas from the pressurizing port to detect the air pressure density are realized, the problem that the air exhaust effect is poor due to the adoption of water injection and air exhaust in the past is solved, and the efficiency of inspection accuracy is improved;
2. according to the utility model, through adopting the structural design that the inspection box body and the loading box body are separated and pressurized through the pressurizing opening, the function of inspecting the soil air tightness through separating the inspection and loading structures is realized, the problem that a certain error exists in the inspection effect due to the adoption of the integrated inspection in the past is solved, and the accuracy in the inspection is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the detection box of the present utility model;
FIG. 3 is a schematic diagram of the front cross-sectional structure of the pneumatic box of the present utility model;
FIG. 4 is a schematic diagram of a side cross-sectional structure of the pneumatic box of the present utility model;
fig. 5 is a schematic structural diagram of a pressure relief tube according to the present utility model.
In the figure: 1. detecting a box body; 2. an air pressure box body; 3. an air pump; 11. a density detection cabin; 12. a thread; 13. pressing the block; 14. punching a hole; 15. a support rod; 16. a hand wheel; 17. an air inlet pipe; 21. an air outlet hole; 22. a display; 23. an air inlet hole; 24. an air pressure detection cabin; 25. a pressure release lever; 26. a pressure relief hole; 27. a sealing screw; 28. rotating the handle; 31. pumping the hole; 32. pumping the tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, a pneumatic geotechnical density test device includes a detection box 1; the detection box body 1 is internally provided with a density detection cabin 11, a thread 12 is arranged in the density detection cabin 11 near the top end, a lower pressing block 13 is sleeved at the position of the density detection cabin 11 near the thread 12, a pressing hole 14 is arranged at the position of the top of the lower pressing block 13 near the right side, the bottom of a supporting rod 15 is fixedly connected to the central position of the top of the lower pressing block 13, the top of the supporting rod 15 is fixedly connected with the top of a hand wheel 16 near the central position, one end of an air inlet pipe 17 is sleeved at the top of the pressing hole 14, and one end of the air inlet pipe 17 far away from the pressing hole 14 is sleeved at the top of an air outlet hole 21;
the air outlet hole 21 is formed in the position, close to the left, of the top of the air pressure box body 2, the air pressure detection cabin 24 is formed in the air pressure box body 2, the display 22 is fixedly connected to the position, close to the center, of the top of the air pressure box body 2, the air inlet hole 23 is fixedly connected to the right position of the top of the air pressure box body 2, and one end of the pumping pressure pipe 32 is sleeved on the top of the air inlet hole 23;
during operation, the screw thread is arranged on the inspection box body, the pushing plate is arranged at the top, the structure design of the pressurizing opening is arranged at the top of the plate, the functions of compacting the land through pushing down and then injecting gas from the pressurizing opening to detect the air pressure density are realized, the problem that the air exhaust effect is poor due to the fact that water injection and air exhaust are adopted in the past is solved, the efficiency of the inspection accuracy is improved, the existing pneumatic geotechnical density inspection device adopts the water injection in the inspection box body to exhaust air, the pressurizing opening is adopted to pump the air pressure into the inspection box to inspect the density and the air tightness of the land, but the air injection and the air exhaust need to be exhausted when the air is not exhausted for inspection, the inspection result is very easy to be inaccurate, the density detection cabin 11 that detection box 1 set up is for placing the soil that is detected, and briquetting 13 pushes down the exhaust along screw thread 12 down, and the hole 14 that punches detects for pushing down to inside, and bracing piece 15, hand wheel 16 are for rotating the effect that briquetting 13 pushed down, and the intake pipe 17 that the hole 14 cover was beaten to the hole 14 is beaten to inside from venthole 21 and is set up, and pneumatic box 2 is the gas detection box, and pneumatic detection cabin 24 is that the gas has the box to carry out pressure detection, and display 22 is for showing that soil pressure detects the density and sets up, and the pump pressure pipe 32 that the inlet port 23 cover at pneumatic box 2 top was established is for pressurizing to inside.
Further, one end of the pumping pipe 32 far away from the air inlet hole 23 is sleeved at the top of the pumping hole 31, the bottom of the pumping hole 31 is fixedly connected to the top of the air pump 3 near the left side, the top of the air pressure box 2 near the front end is sleeved with a pressure release rod 25, the front end of the pressure release rod 25 near the top is provided with a pressure release hole 26, the pressure release rod 25 is internally sleeved with a sealing screw 27, and the top of the sealing screw 27 is fixedly connected with a rotating handle 28 near the center;
during operation, through adopting inspection box and loading box separately to carry out the pressurized structural design through the pressurization mouth, thereby realized carrying out the function of inspecting through separately inspecting with loading the structure and examining the soil air tightness, solved in the past and adopted the problem that integral type inspection leads to there is certain error in the inspection effect, the accuracy when having improved the inspection, the gas in the air pump 3 carries out the gas pump to inlet port 23 from pump pressure hole 31, pump pressure pipe 32, the pressure release pole 25 at the air pressure box 2 top is for carrying out the pressure release setting, pressure release hole 26 is for carrying out the pressure release setting, sealing screw 27 is for carrying out operation seal and pressure release, rotation handle 28 is for carrying out rotation drive sealing screw 27 setting.
Further, an air inlet hole 23 is fixedly connected to the top of the air pressure box 2 near the right side, one end of a pumping pressure pipe 32 is sleeved on the top of the air inlet hole 23, and the bottom of an air outlet hole 21 is fixedly connected to the top of the air pressure box 2 near the left side;
in operation, the air inlet 23 at the top of the air pressure tank 2 is set for injecting air from the pump pressure pipe 32, and the air outlet 21 of the air pressure tank 2 is set for detecting the air injected into the soil.
Further, one end of the air inlet pipe 17 is sleeved at the top of the air outlet hole 21, one end of the air inlet pipe 17 far away from the air outlet hole 21 is sleeved at the top of the pressing hole 14, and the bottom of the pressing hole 14 is fixedly connected to the position, close to the right, of the top of the pressing block 13;
in operation, the gas outlet hole 21 injects gas into the pressing hole 14 through the gas inlet pipe 17, and the pressing hole 14 is opened at the top of the pressing block 13 so as to inject sealing detection gas.
Further, the lower pressing block 13 is sleeved inside the thread 12, the thread 12 is arranged at a position of the density detection cabin 11 close to the top, and the density detection cabin 11 is arranged inside the detection box body 1;
during operation, the lower pressing block 13 is sleeved inside the screw thread 12, and the screw thread 12 is arranged at the top of the density detection cabin 11, so that the effect of detecting soil inside the density detection cabin 11 formed by the box body 1 is tested.
Further, the bottom of the supporting rod 15 is fixedly connected to the center of the top of the lower pressing block 13, and the bottom of the hand wheel 16 is fixedly connected to the top of the supporting rod 15 and is close to the center;
in operation, the support rod 15 at the top of the lower pressing block 13 is arranged for fixedly supporting the hand wheel 16, and the hand wheel 16 is arranged for driving the lower pressing block 13 to rotate.
Working principle: by arranging the screw thread on the inspection box body, arranging the pushing plate at the top, arranging the pressing plate at the top, realizing the function of compacting the land by pushing down and then injecting gas from the pressing opening to detect the air pressure density, solving the problem of poor air discharge effect caused by adopting water injection and air discharge in the past, improving the efficiency of inspection accuracy, adopting the existing pneumatic geotechnical density inspection device to inject water into the inspection box body to discharge air, and adopting the pressing opening to blow air into the inspection box to inspect the density and air tightness of the land, but the air injection and the air discharge need to be carried out, if the air is not emptied for inspection, the inaccuracy of the inspection result is very easy to be caused, the density inspection cabin 11 arranged on the inspection box body 1 is used for placing the inspected soil, the pressing block 13 is used for pushing down and discharging along the screw thread 12, the pressing hole 14 is used for internally pressing for inspection, the supporting rod 15 and the hand wheel 16 are used for rotating the lower pressing block 13 to press downwards, the air inlet pipe 17 sleeved on the pressing hole 14 is arranged for pressing from the air outlet hole 21 to the inside of the pressing hole 14, the air pressure box body 2 is a gas detection box body, the air pressure detection cabin 24 is used for detecting the pressure of the gas stored in the box body, the display 22 is arranged for displaying the soil pressure detection density, the air inlet hole 23 sleeved on the top of the air pressure box body 2 is provided for pressurizing inwards, the function of detecting the soil air tightness through separating the detection box body from the loading box body is realized through the structure design that the detection is carried out through the pressurizing opening, the problem that a certain error exists in the detection effect due to the fact that the integrated detection is adopted in the past is solved, the accuracy in the detection is improved, the gas in the air pump 3 is pumped from the air inlet hole 31 and the air inlet hole 23, the pressure release rod 25 at the top of the air pressure box body 2 is arranged for pressure release, the pressure release hole 26 is arranged for pressure release, the sealing screw 27 is used for operation sealing and pressure release, the rotating handle 28 is arranged for rotating to drive the sealing screw 27, the air inlet hole 23 at the top of the air pressure box body 2 is arranged for injecting air from the pumping pressure pipe 32, the air outlet hole 21 of the air pressure box body 2 is arranged for detecting the air injected into soil, the air outlet hole 21 is used for injecting air into the pressurizing hole 14 through the air inlet pipe 17, the pressurizing hole 14 is arranged at the top of the pressurizing block 13 for injecting sealing detection air, the pressurizing block 13 is sleeved inside the threads 12, the threads 12 are arranged at the top of the density detection cabin 11 for testing the effect of detecting the soil inside the cabin 11 arranged at the top of the box body 1, the supporting rod 15 at the top of the pressurizing block 13 is arranged for fixedly supporting the hand wheel 16, and the hand wheel 16 is arranged for driving to rotate the pressurizing block 13.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A pneumatic geotechnical density test device is characterized in that: comprises a detection box body (1); the detection box body (1) is internally provided with a density detection cabin (11), a thread (12) is arranged in the density detection cabin (11) near the top end, a lower pressing block (13) is sleeved at the position, close to the thread (12), of the density detection cabin (11), a pressing hole (14) is formed in the position, close to the right, of the top of the lower pressing block (13), a supporting rod (15) bottom is fixedly connected to the center position of the top of the lower pressing block (13), a hand wheel (16) is fixedly connected to the top of the supporting rod (15), close to the center position, one end of an air inlet pipe (17) is sleeved at the top of the pressing hole (14), and one end, far from the pressing hole (14), of the air inlet pipe (17) is sleeved at the top of an air outlet hole (21);
the air outlet hole (21) is formed in the position, close to the left, of the top of the air pressure box body (2), the air pressure detection cabin (24) is formed in the air pressure box body (2), the display (22) is fixedly connected to the top of the air pressure box body (2) close to the center, the air inlet hole (23) is fixedly connected to the right of the top of the air pressure box body (2), and one end of the pumping pressure pipe (32) is sleeved on the top of the air inlet hole (23).
2. The pneumatic geotechnical density test device according to claim 1, wherein: one end cover that inlet port (23) were kept away from to pumping pressure pipe (32) is established at pumping pressure hole (31) top, pumping pressure hole (31) bottom fixed connection is close to left side position at air pump (3) top, the pneumatic box (2) top is close to front end position cover and is equipped with pressure release pole (25), pressure release pole (25) front end is close to top position and has offered pressure release hole (26), pressure release pole (25) inside cover is equipped with sealing screw (27), sealing screw (27) top fixedly connected with rotates handle (28) bottom and is close to central point.
3. The pneumatic geotechnical density test device according to claim 2, wherein: the air pressure box is characterized in that an air inlet hole (23) is fixedly connected to the top of the air pressure box body (2) close to the right side, one end of a pumping pressure pipe (32) is sleeved on the top of the air inlet hole (23), and an air outlet hole (21) is fixedly connected to the top of the air pressure box body (2) close to the left side.
4. A pneumatic geotechnical density testing device according to claim 3, wherein: one end of an air inlet pipe (17) is sleeved at the top of the air outlet hole (21), one end, far away from the air outlet hole (21), of the air inlet pipe (17) is sleeved at the top of the pressing hole (14), and the bottom of the pressing hole (14) is fixedly connected to the position, close to the right, of the top of the lower pressing block (13).
5. The pneumatic geotechnical density test device according to claim 4, wherein: the lower pressing block (13) is sleeved inside the threads (12), the threads (12) are arranged at the position, close to the top, of the density detection cabin (11), and the density detection cabin (11) is arranged inside the detection box body (1).
6. The pneumatic geotechnical density test device according to claim 5, wherein: the center of the top of the lower pressing block (13) is fixedly connected with the bottom of the supporting rod (15), the top of the supporting rod (15) is fixedly connected with a hand wheel (16), and the bottom of the supporting rod is close to the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357628.8U CN220251655U (en) | 2023-05-30 | 2023-05-30 | Pneumatic geotechnical density test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357628.8U CN220251655U (en) | 2023-05-30 | 2023-05-30 | Pneumatic geotechnical density test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251655U true CN220251655U (en) | 2023-12-26 |
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ID=89230668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321357628.8U Active CN220251655U (en) | 2023-05-30 | 2023-05-30 | Pneumatic geotechnical density test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251655U (en) |
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2023
- 2023-05-30 CN CN202321357628.8U patent/CN220251655U/en active Active
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