CN213580322U - Air pressure three-axis sample preparation device - Google Patents
Air pressure three-axis sample preparation device Download PDFInfo
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- CN213580322U CN213580322U CN202022613251.0U CN202022613251U CN213580322U CN 213580322 U CN213580322 U CN 213580322U CN 202022613251 U CN202022613251 U CN 202022613251U CN 213580322 U CN213580322 U CN 213580322U
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- sample preparation
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- cylinder
- fixedly connected
- cross beam
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Abstract
The utility model discloses an atmospheric pressure triaxial system appearance ware belongs to geotechnical test triaxial system appearance technical field, include: the device comprises a base, a positioning clamp, a sample making barrel, an upright post, a lifting frame, an air cylinder and a pressure head; the base is used for fixing and supporting; the positioning clamp is arranged on the upper surface of the base; the positioning fixture is matched with the sample preparation cylinder; one end of the upright post is fixedly connected with the base, the other end of the upright post is provided with a cross beam, and the cross beam is connected with the upright post in a sliding manner; the crossbeam is connected with the base in a distance-adjustable manner; the cylinder is fixedly connected with the cross beam; the driving end of the air cylinder penetrates through the cross beam and extends to the outer side of the cross beam to be fixedly connected with the pressure head; the pressure head is matched with the sample preparation cylinder. The utility model discloses can once or many times shaping to the sample, effectively reduce system appearance time, it is complicated to have solved current triaxial system appearance ware system appearance operation, and the success rate is low, and the problem that the time spent long-term efficiency is low more has the practicality.
Description
Technical Field
The utility model belongs to the technical field of geotechnical test triaxial system appearance, concretely relates to atmospheric pressure triaxial system appearance ware.
Background
Soil is a loose deposit of earth crust surface rock after weathering and therefore has "fluidity" in certain procedures; the soil is a three-phase body, a three-phase system consisting of particles (solid phase), water (liquid phase) and gas (gas phase), and is not made of a single material; soil is a natural geological historical product, and is a non-artificial product.
Based on this, the soil has characteristics different from other building materials, so that the research on the mechanical properties of the soil is very important. Then good testing equipment is needed to perform the soil tests more accurately and effectively. The triaxial test is closer to actual engineering, so the triaxial test is applied to geotechnical engineering research on a large scale. The existing triaxial sample preparation device has the disadvantages of complex operation, low success rate and long time-consuming effect.
Therefore, a need exists in the art for a three-axis sampler that is easy to operate, has a high success rate, and requires a short time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy operation, the success rate is high, the short triaxial system appearance ware of time spent, the utility model discloses following technical scheme has been taken:
an air pressure tri-axial sampler comprising: the device comprises a base, a positioning clamp, a sample making barrel, an upright post, a lifting frame, an air cylinder and a pressure head;
the base is used for fixing and supporting;
the positioning clamp is arranged on the upper surface of the base; the positioning fixture is matched with the sample preparation cylinder and used for fixing the sample preparation cylinder;
one end of the upright post is fixedly connected with the base, the other end of the upright post is provided with a cross beam, and the cross beam is connected with the upright post in a sliding manner;
the crossbeam is connected with the base in a distance-adjustable manner;
the cylinder is fixedly connected with the cross beam; the driving end of the air cylinder penetrates through the cross beam and is fixedly connected with the pressure head;
the pressure head is matched with the sample preparation cylinder and is used for pressing the soil sample in the sample preparation cylinder.
Furthermore, the cross beam is connected with the base through a lifting frame with adjustable distance; the fixed end of the lifting frame is fixedly connected with the base, and the movable end of the lifting frame is fixedly connected with the cross beam through the controller; the controller is electrically connected with the lifting frame and is used for controlling the lifting frame to lift.
Furthermore, the lower surface of the base is provided with a balance foot with adjustable height.
Furthermore, the positioning fixture comprises positioning clamp bodies which are correspondingly arranged in groups, and each positioning clamp body comprises a clamping groove, a fixing plate, a spring and a supporting column; the fixed plate is fixedly connected with the base; one end of the supporting column is fixedly connected with the fixing plate, and the other end of the supporting column is fixedly connected with the spring; the other end of the spring is fixedly connected with the clamping groove; the clamping groove is matched with the sample preparation cylinder.
Furthermore, the sampling cylinder is made of stainless steel.
Furthermore, the sample preparation cylinder consists of three cylinder plates which are fixedly connected through a hoop.
Has the advantages that:
the utility model discloses can once or many times shaping to the sample, effectively reduce system appearance time, it is complicated to have solved current triaxial system appearance ware system appearance operation, and the success rate is low, and the problem that the time spent long-term efficiency is low more has the practicality.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the positioning clip;
fig. 4 is a schematic view of a sample preparation cartridge.
Wherein, 1, a base; 2. an air pump; 3. positioning a clamp; 31. a card slot; 32. a fixing plate; 33. a spring; 34. a support pillar; 4. preparing a sample cylinder; 41. a barrel plate; 42. clamping a hoop; 43. a bolt; 5. a column; 6. a lifting frame; 7. a controller; 8. a cross beam; 9. fixing a nut; 10. a cylinder; 11. a telescopic rod; 12. and (4) pressing head.
Detailed Description
Example 1
An air pressure tri-axial sampler comprising: the device comprises a base 1, a positioning clamp 3, a sample preparation barrel 4, an upright post 5, a lifting frame 6, an air cylinder 10 and a pressure head 12.
The base 1 is used for fixing and supporting; the lower surface of the base 1 is provided with 4 balance feet with adjustable height.
In this embodiment, the sample preparation cylinder 4 is made of stainless steel. The sample preparation cylinder 4 is composed of three cylindrical plates 41, and the three cylindrical plates 41 are fixedly connected through a clamp 42.
The positioning clamp 3 is arranged on the upper surface of the base 1; the positioning clamp 3 is matched with the sample preparation cylinder 4 and used for fixing the sample preparation cylinder 4; the positioning fixture 3 comprises 2 sets of correspondingly arranged positioning clamp bodies, and each positioning clamp body comprises a clamping groove 31, a fixing plate 32, a spring 33 and a supporting column 34; the fixing plate 32 is fixedly connected with the base 1; one end of the supporting column 34 is fixedly connected with the fixing plate 32, and the other end is fixedly connected with the spring 33; the other end of the spring 33 is fixedly connected with the clamping groove 31; the card slot 31 is matched with the sample preparation cylinder 4.
The fixing plate 32 is used for fixing the spring 33 and the supporting column 34, the spring 33 is used for opening and closing the positioning clamp 3, and the supporting column 34 can fix the positioning clamp 3 without swinging left and right. When placing system appearance section of thick bamboo 4, manual opening positioning fixture 3, putting system appearance section of thick bamboo 4 in the draw-in groove, because spring 33 performance, positioning fixture 3 can resume to can be 4 card jails of system appearance.
One end of the upright post 5 is fixedly connected with the base, the other end of the upright post is provided with a cross beam 8, and the cross beam 8 is connected with the upright post 5 in a sliding manner.
The crossbeam 8 is connected with the base 1 in a distance-adjustable manner.
In the embodiment, the cross beam 8 is connected with the base 1 through the lifting frame 6 in a distance-adjustable manner; the fixed end of the lifting frame 6 is fixedly connected with the base, and the movable end of the lifting frame 6 is fixedly connected with the cross beam 8 through the controller 7; the controller 7 is electrically connected with the lifting frame 6 and is used for controlling the lifting frame 6 to lift. Wherein, the controller 7 is fixedly connected with the cross beam 8 through a fixing nut 9.
The cylinder 10 is fixedly connected with the cross beam 8; the driving end of the air cylinder 10 passes through the cross beam 8 and is fixedly connected with the pressure head 12.
The pressure head 12 is matched with the sample preparation cylinder 4 and is used for pressing the soil sample in the sample preparation cylinder 4.
Wherein, the piston of the cylinder 10 is an expansion link 11, the expansion link 11 extends to the lower part of the beam 8, and the pressure head 12 is positioned below the expansion link 11; the pressing head 12 and the sample preparation cylinder 4 are in a straight line, so that the pressing head 12 can press the soil sample in the sample preparation cylinder 4.
And the air pump 2 is used for providing air pressure for the lifting frame 6 and the air cylinder 10.
In this embodiment, the sample preparation cylinder 4 is provided with a triaxial model, and corresponds to three specifications of geotechnical triaxial test soil sample diameter 39.1mm, 61.8mm and 101mm respectively.
As a preferred embodiment of the present embodiment, the indenter 12 has three types as the sample cylinder 4 and corresponds to the three types; the indenter thickness is 15mm, and the diameter is 0.2mm less than the corresponding sample preparation cylinder, for example, 39.1mm soil sample is prepared, 39.1mm sample preparation cylinder is used, and the diameter is 38.9mm indenter.
In this embodiment, a connecting rod is arranged between the telescopic rod 11 and the pressure head 12, and the connecting rod is provided with scales for calculating the height of the soil sample in the sample preparation cylinder 4; the soil sample height was calculated as follows:
Hsoil sample＝HSample preparation cylinder-HPressure head-T；
HSoil sample-soil sample height; hSample preparation cylinder-cartridge height;
Hpressure head-ram rise height; t-head self-thickness.
Example 2
A use method of an air pressure three-axis sample preparation device comprises the following steps:
s1, determining the size and model of the sample to be made, and selecting a sample making cylinder and a pressure head with the corresponding size and model;
s2, placing the base on a horizontal workbench, adjusting the balance feet to enable the base not to incline horizontally, and placing the air pump at a proper position;
s3, mounting a sample preparation cylinder: splicing the three-piece barrel plate, sleeving a hoop, and fixing by using bolts;
s4, placing the sample preparation cylinder in the clamping groove and fixing the sample preparation cylinder by using a positioning clamp;
s5, installing a pressure head with a selected model;
s6, calculating and weighing the soil material required by the test according to the dry density, the water content and the sample size required by the test, and dividing the prepared soil material into 3 equal parts for example according to the number of layers required to be filled if multiple times of molding are required; if one-step forming is needed, direct pressing can be carried out; coarse and fine particles are prevented from being separated, and the uniformity of the soil is ensured;
and S7, demolding by a conventional method after pressing is finished.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
1. An air pressure tri-axial sample preparation device, comprising: the device comprises a base (1), a positioning clamp (3), a sample preparation cylinder (4), an upright post (5), a lifting frame (6), an air cylinder (10) and a pressure head (12);
the base (1) is used for fixing and supporting;
the positioning clamp (3) is arranged on the upper surface of the base (1); the positioning clamp (3) is matched with the sample preparation cylinder (4) and is used for fixing the sample preparation cylinder (4);
one end of the upright post (5) is fixedly connected with the base, the other end of the upright post is provided with a cross beam (8), and the cross beam (8) is connected with the upright post (5) in a sliding manner;
the cross beam (8) is connected with the base (1) in a distance-adjustable manner;
the cylinder (10) is fixedly connected with the cross beam (8); the driving end of the air cylinder (10) penetrates through the cross beam (8) and is fixedly connected with the pressure head (12);
the pressure head (12) is matched with the sample preparation cylinder (4) and is used for pressing the soil sample in the sample preparation cylinder (4).
2. The pneumatic three-axis sample preparation device as claimed in claim 1, wherein the cross beam (8) is connected with the base (1) in a distance-adjustable manner through a lifting frame (6); the fixed end of the lifting frame (6) is fixedly connected with the base, and the movable end of the lifting frame (6) is fixedly connected with the cross beam (8) through a controller (7); the controller (7) is electrically connected with the lifting frame (6) and is used for controlling the lifting frame (6) to lift.
3. The pneumatic three-axis sampler according to claim 1, wherein the lower surface of the base (1) is provided with 4 balance feet with adjustable height.
4. The pneumatic three-axis sample preparation device according to claim 1, wherein the positioning fixture (3) comprises 2 sets of correspondingly arranged positioning clamp bodies, and the positioning clamp bodies comprise clamping grooves (31), fixing plates (32), springs (33) and supporting columns (34); the fixing plate (32) is fixedly connected with the base (1); one end of the supporting column (34) is fixedly connected with the fixing plate (32), and the other end of the supporting column is fixedly connected with the spring (33); the other end of the spring (33) is fixedly connected with the clamping groove (31); the clamping groove (31) is matched with the sample preparation cylinder (4).
5. The pneumatic triaxial sampler according to claim 1, wherein the sample preparation cylinder (4) is made of stainless steel.
6. The pneumatic triple-axis sample preparation device according to claim 5, wherein the sample preparation cylinder (4) is composed of three cylinder plates (41), and the three cylinder plates (41) are fixedly connected through a clamping hoop (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022613251.0U CN213580322U (en) | 2020-11-12 | 2020-11-12 | Air pressure three-axis sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022613251.0U CN213580322U (en) | 2020-11-12 | 2020-11-12 | Air pressure three-axis sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213580322U true CN213580322U (en) | 2021-06-29 |
Family
ID=76536894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022613251.0U Expired - Fee Related CN213580322U (en) | 2020-11-12 | 2020-11-12 | Air pressure three-axis sample preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213580322U (en) |
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2020
- 2020-11-12 CN CN202022613251.0U patent/CN213580322U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 Termination date: 20211112 |