CN211374272U - Vacuum soil stirring and sample preparation integrated device - Google Patents

Abstract

The utility model discloses a vacuum is stirred native and system appearance integrated device, including system appearance section of thick bamboo and fixed rack, a system appearance section of thick bamboo sets up on the fixed rack, is equipped with on the fixed rack to arrange in the inside integral type of a system appearance section of thick bamboo and stirs native system appearance mechanism, and this device structure sets up ingeniously. And in the process of vacuum soil stirring, soil is filled in the sample preparation cylinder, the vacuum pump works to keep the vacuum state in the sample preparation cylinder, the stirring pipe drives the blades to stir the soil, and after the soil is fully stirred, the stirring is stopped, and the stirring blades are lifted. And starting a consolidation process, driving the long suction pipe to move downwards by the long suction pipe lifting structure, extending into the soil sample to a certain depth, working by a vacuum pump, pumping water and exhausting gas, taking out the sample preparation cylinder after consolidation is completed, and taking out a sample from the sample preparation cylinder. The device realizes that the soil is stirred in the vacuum and system appearance integration operation, has simplified system appearance process greatly, improves system appearance efficiency and system appearance effect.

Description

Vacuum soil stirring and sample preparation integrated device

Technical Field

The utility model relates to a soil system appearance equipment technical field specifically is a soil is stirred in vacuum and system appearance integrated device.

Background

For the research of soil structure, undisturbed soil is easy to disturb and difficult to collect and obtain, so remolded soil is often adopted, the preparation problem of a soil sample is inevitably involved in the experiment, and for loose soil, three sample preparation methods are a sample hitting method, a compaction method and a sample pressing method. The three methods are complicated to operate, have high requirements on experience and technology of operators, damage the uniformity of a soil sample and the structure of a soil body by repeated impact load, and are difficult to control the compaction degree. For saturated powdery clay, a method of preparing slurry and consolidating for forming is usually adopted for preparing samples, no air bubble in soil can be ensured in the process, and completely saturated samples can be prepared, so that the unsaturated sample test error is large. Before a dynamic triaxial apparatus is used for testing, a cylindrical sample needs to be prepared, a manual soil cutting method is usually adopted, and the method is complex to operate, high in material consumption, high in cutting mark, unsmooth in sample surface and difficult to guarantee the consistency of each sample. Based on vacuum preloading drainage consolidation principle, synthesize all kinds of factors, the utility model people has provided a soil and system appearance integrated device are stirred in vacuum.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil and system appearance integrated device are stirred in vacuum to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a soil and system appearance integrated device are stirred in vacuum, includes system appearance section of thick bamboo and fixed rack, and a system appearance section of thick bamboo sets up on the fixed rack, and a system appearance section of thick bamboo comprises three curved structure concatenations the cylinder stack shell, and system appearance bobbin top is equipped with the detachable top cap, and the bottom is equipped with the detachable bottom equally, and top cap and bottom all hoop with system appearance section of thick bamboo wall, correspond on the fixed rack and make appearance bobbin top and be provided with the integral type and stir native system appearance mechanism, and the integral type stirs native system appearance mechanism and passes the top cap and arrange in system appearance bobbin inside. The integrated soil stirring and sample preparing mechanism comprises a stirring pipe and stirring blades, a stirring pipe power mechanism is arranged on the fixed rack, a vertical chute is arranged in the middle of the stirring pipe and controls the lifting of the stirring blades, a long suction pipe is arranged in the middle of the stirring pipe, a layer of filter screen is arranged at the bottom end of the long suction pipe, and a long suction pipe lifting mechanism is arranged on the fixed rack; the top end of the long suction pipe is connected with a vacuum pump.

And in the process of vacuum soil stirring, soil is filled in the sample preparation cylinder, the vacuum pump works to keep the vacuum state in the sample preparation cylinder, the stirring pipe drives the blades to stir the soil, and after the soil is fully stirred, the stirring is stopped, and the stirring blades are lifted. And starting a consolidation process, driving the long suction pipe to move downwards by the long suction pipe lifting structure, extending into the soil sample to a certain depth, working by a vacuum pump, pumping water and exhausting gas, taking out the sample preparation cylinder after consolidation is completed, and taking out a sample from the sample preparation cylinder. The device realizes that the soil is stirred in the vacuum and system appearance integration operation, has simplified system appearance process greatly, improves system appearance efficiency and system appearance effect.

As a further aspect of the present invention: the fixed rack comprises a base, wherein side frames are arranged on the side edges of the base, cross frames are arranged in the middle of the side frames, threaded interfaces are arranged at the bottoms of the cross frames, and the upper portion of the sample preparation cylinder (16) is connected with the threaded interfaces (15) through long bolts in a threaded mode in cooperation with a top cover (161) to form threaded lifting.

As a further aspect of the present invention: the stirring pipe power mechanism comprises a driven gear, the stirring pipe is sleeved on a fixed bearing arranged at a corresponding position of the cross frame, the driven gear is sleeved on the stirring pipe on the upper side of the cross frame, and a first driving gear and a stirring motor for driving the first driving gear to rotate are arranged on the cross frame; the first driving gear is in meshed transmission with the driven gear, and the stirring blades are helical blades and are provided with two blades.

As a further aspect of the present invention: the long suction pipe lifting mechanism comprises a vertical rack, the vertical rack is arranged on the side edge of the top of the long suction pipe, a top beam is arranged on the top of the side frame, a fixed frame is arranged on the top beam, and a second driving gear and a lifting motor for driving the second driving gear to rotate are arranged on the fixed frame; the second driving gear is in meshed transmission with the vertical rack.

As a further aspect of the present invention: the top end of the long suction pipe is provided with an adapter, the top end of the long suction pipe is connected with a conduit through the adapter, the conduit is connected with a vacuum pump, the vacuum pump is fixed on a cross frame, and a water storage bin is arranged on the cross frame corresponding to an outlet of the vacuum pump; and water storage is facilitated.

As a further aspect of the present invention: be provided with the bracket that is used for the butt to support the churn on the base, the bracket bottom is fixed on the base through the multiunit spring, is equipped with the snak link on the spring, can make the spring be in the state that compresses tightly, improves system appearance in-process churn stability.

As a further aspect of the present invention: the end part of the vertical straw is provided with a filter screen, and during the water pumping and air exhausting process, the filter soil particles are discharged.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a device has the vacuum and stirs native function to design stirring pipe power unit and vacuum device, guarantee the intensive mixing of soil granule, form even cylinder soil sample, stir the soil in-process in the vacuum, take out bubble in the soil sample hole, make water be full of the soil hole, form the saturated sample.

2. The device provided by the utility model have the function that the consolidation takes shape, based on vacuum preloading consolidation method principle, evacuation drainage makes the consolidation of mud form soil take shape, and the overall process goes on under vacuum state, guarantees the saturation of soil sample.

3. The utility model discloses device stable in structure, disturbed little, be provided with the bracket that is used for the butt to support the churn on the base, the bracket bottom is fixed on the base through the multiunit spring, improves system appearance in-process churn stability.

4. The utility model discloses device easy operation, full process automation reduces the interference of human factor, saves the input of manpower, and is efficient, the cost of saving time. And the sample preparation precision is high, the sizes of sample preparation cylinders are different, and saturated consolidation samples with different sizes are obtained.

Drawings

FIG. 1 is a schematic structural view of an integrated device for vacuum soil stirring and sample preparation;

FIG. 2 is a top sectional view of a stirring blade in the vacuum soil stirring and sample preparation integrated apparatus;

FIG. 3 is a side view of the mixing blade, the long suction pipe and the chute in the vacuum soil mixing and sample preparation integrated device;

in the figure: 1. a side frame; 1-1, a base; 2. a cross frame; 3. a stirring motor; 4. a first drive gear; 5. a second driving gear; 6. a lifting motor; 7. a top beam; 8. a fixed mount; 9. an adapter; 10. a vertical rack; 11. a long straw; 12. a conduit; 13. a vacuum pump; 14. a water storage bin; 15. a threaded interface; 16. preparing a sample cylinder; 17. a stirring blade; 18. a stirring pipe; 19. a spring; 20. a bracket; 21. a chute; 22. filtering with a screen; 161. a top cover; 162. a bottom cover; 163. a long bolt.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a vacuum soil stirring and sample preparation integrated device comprises a sample preparation cylinder 16 and a fixed rack, wherein the sample preparation cylinder 16 is arranged on the fixed rack, the sample preparation cylinder 16 is a cylindrical cylinder body formed by splicing three arc-shaped structures, a detachable top cover 161 is arranged at the top of the sample preparation cylinder 16, a detachable bottom cover 162 is also arranged at the bottom of the sample preparation cylinder, the top cover 161 and the bottom cover 162 are connected with the wall of the sample preparation cylinder 16 in a hooped mode, an integrated soil stirring and sample preparation mechanism is arranged on the fixed rack corresponding to the top end of the sample preparation cylinder 16, and the integrated soil stirring and sample preparation mechanism penetrates through the top cover 161 and is arranged inside the sample preparation cylinder 16.

The integrated soil stirring and sample preparing mechanism comprises a stirring pipe 18 and stirring blades 17, a power mechanism of the stirring pipe 18 is arranged on the fixed rack, a vertical chute 21 is arranged in the middle of the stirring pipe 18, the vertical chute 21 controls the lifting of the stirring blades 17, a long suction pipe 11 is arranged in the middle of the stirring pipe 18, a layer of filter screen 22 is arranged at the bottom end of the long suction pipe 11, and a lifting mechanism of the long suction pipe 11 is arranged on the fixed rack; the top end of the long suction pipe 11 is connected with a vacuum pump 13.

The fixed rack comprises a base 1-1, a side frame 1 is arranged on the side edge of the base 1-1, a cross frame 2 is arranged in the middle of the side frame 1, a threaded connector 15 is arranged at the bottom of the cross frame 2, and the upper portion of the sample preparation barrel 16 is connected with the threaded connector 15 through a long bolt 163 in a threaded mode in cooperation with a top cover 161 to form threaded lifting. The screw thread lift mode is comparatively common mode among the mechanical connection, and the meaning that this device was applied to in the screw thread lift lies in: the sample preparation cylinder can move up and down along with the screwing of the screw thread, so that the sample preparation processes such as stirring, water pumping, air pumping and the like are facilitated, and the prepared soil sample has better quality; in addition, twist revolving the stay bolt 163 and just can realize the dismantlement and the installation of system appearance section of thick bamboo, experiment system soil all need twist the step of revolving the bolt at every turn and just can fix system appearance section of thick bamboo, prevents to omit system appearance process and causes system soil failure or other risks, secondly, equal bolted connection can ensure that the device is fixed firm every time, and bolted connection is stable, the good connected mode of atress, and the security that experiment system soil increases.

The vacuum soil stirring and sample preparation integrated device is characterized in that the sample preparation cylinder 16 of the device is integrated with the fixed stand, each stirring assembly and the exhaust and drainage assembly. With reference to the top cross-sectional view of the stirring blade in the vacuum soil stirring and sample preparation integrated device in fig. 2 and the side view of the vacuum soil stirring and sample preparation integrated device in fig. 3 with the stirring blade, the chute and the long suction pipe in combination, the connection between the stirring assembly, the exhaust and drainage assembly and the frame body of the device is described and implemented as follows:

the stirring pipe 18 power mechanism comprises a driven gear, the stirring pipe 18 is sleeved on a fixed bearing arranged at a corresponding position of the cross frame 2 (namely the stirring pipe 18 penetrates through the cross frame 2 and the fixed bearing is arranged at the penetrating position), the driven gear is sleeved on the stirring pipe 18 at the upper part of the cross frame 2, and the cross frame 2 is provided with a first driving gear 4 and a stirring motor 3 for driving the first driving gear 4 to rotate; the first driving gear 4 is in meshing transmission with the driven gear, and the driven gear is sleeved on the stirring pipe 18, so that the driving gear and the driven gear are in meshing transmission, namely the driving gear drives the stirring pipe to rotate; stirring leaf 17 is helical blade, and is provided with two, and simultaneously, agitator pipe 18 passes through spout 21 and drives helical blade 17 downstream.

The long suction pipe 11 lifting mechanism comprises a vertical rack 10, the vertical rack 10 is arranged on the side edge of the top of the long suction pipe 11, the vertical rack is in a common sawtooth shape and can also be arranged in a chain shape and is matched with a gear to run; a top beam 7 is arranged at the top of the side frame 1, a fixed frame 8 is arranged on the top beam 7, and a second driving gear 5 and a lifting motor 6 for driving the second driving gear 5 to rotate are arranged on the fixed frame 8; the second driving gear 5 is in meshed transmission with the vertical rack 10. It is worth to be noted that, since the second driving gear is in meshing transmission with the vertical rack 10 and is driven by the motor, the vertical rack 10 needs to be a bilateral rack or a chain to form a cycle, so as to ensure the driving fluency; in addition, in the control of the lifting motor 6, it is preferable to add a PLC program write control to accurately control the lifting height, which is not described herein.

The top end of the long suction pipe 11 is provided with a joint 9, the top end of the long suction pipe 11 is connected with a conduit 12 through the joint 9, the conduit 12 is connected with a vacuum pump 13, the vacuum pump 13 is fixed on the cross frame 2, and a water storage bin 14 is arranged on the cross frame 2 corresponding to an outlet of the vacuum pump 13; and water storage is facilitated.

The base 1-1 is provided with a bracket 20 used for supporting the mixing drum in an abutting mode, the bottom of the bracket 20 is fixed to the base 1-1 through a plurality of groups of springs 19, spring buckles are arranged on the springs 19 and can enable the springs 19 to be in a pressing state, and the spring buckles are common accessories on the market and are specially used for pressing the springs. Spring 19 is fixed on base 1-1, improve system appearance in-process system appearance section of thick bamboo 16 stability, bracket 20 is when the unoperated state of soil sample stirring, the snak link compresses tightly spring 19, when the operating condition is carried out in the soil sample stirring, spring 19 is loosened, the bottom of butt churn 16, because multiunit spring 19 provides great holding power, the vibrations of the horizontal direction that produces are reduced in the stirring work goes on, it is not hard up to have prevented system appearance section of thick bamboo 16, avoid system appearance in-process danger, the security performance of device has been improved, furthermore, the spoilage of device has been reduced, the life of device has been prolonged.

It should be noted that, the utility model discloses in the device system appearance section of thick bamboo, each subassembly that draws water of bleeding wholly sets up below the stirring leaf, can realize like this that the stirring is drawn water, is drawn air simultaneously, still can realize drawing water alone (not stirring state), is drawn air, and it is effectual to make soil. In the device, the sample making cylinder structure needs good sealing, and the sample making cylinder 16 is formed by splicing three arc-shaped structures, so that the sample making cylinder 16 needs to be hooped outside; rubber rings and sealing gaskets are additionally arranged at the top cover (161) and the bottom cover (162) of the sample preparation cylinder, and reinforcement treatment is carried out; a sealing ring and a sealing gasket are additionally arranged at the joint of the top cover (161) of the sample preparation cylinder and the stirring pipe (18) for sealing; the end part of the long suction pipe (11) is provided with a filter screen to prevent soil from being pumped out when water and air are pumped out.

The utility model discloses a theory of operation is: during operation, fill soil sample and water in system appearance section of thick bamboo 16, vacuum pump 13 work makes and keeps vacuum state in the system appearance section of thick bamboo, and the stirring pipe power unit drive stirring pipe 18 rotates, and stirring pipe 18 drives stirring leaf 17 and stirs the system appearance to the soil sample, stirs abundant back, stops stirring, rises stirring vane 17. The consolidation forming process is started, the long suction pipe lifting mechanism drives the long suction pipe 11 to move downwards, the long suction pipe 11 is made to extend into soil to a certain depth, the vacuum pump 13 works to pump water and exhaust gas for the soil sample in the sample preparation cylinder 16, solidification is carried out, after the consolidation is completed, the sample preparation cylinder 16 is taken out, a sample is taken out from the sample preparation cylinder 16, during sampling, the long bolt at the threaded connector 15 is firstly disassembled, the exterior of the sample preparation cylinder 16 is disassembled to be hooped, the top cover 161 and the bottom cover 162 are disassembled, then the three-section separation of the wall of the sample preparation cylinder 16 is carried out, and the soil sample can be completely taken out. The vacuum soil stirring and sample preparation integrated operation is realized, the sample preparation process is greatly simplified, and the sample preparation efficiency and the sample preparation effect are improved.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (8)

1. The utility model provides a soil and system appearance integrated device are stirred in vacuum, includes system appearance section of thick bamboo (16) and fixed rack, its characterized in that, system appearance section of thick bamboo (16) set up on the fixed rack, system appearance section of thick bamboo (16) constitute the cylinder stack shell by three curved structure concatenations, system appearance section of thick bamboo (16) top is equipped with detachable top cap (161), and the bottom is equipped with detachable bottom (162) equally, top cap (161) with bottom (162) all cup joints with system appearance section of thick bamboo (16) wall, corresponds system appearance section of thick bamboo (16) top on the fixed rack and is provided with the integral type and stirs native system appearance mechanism, the integral type stirs native system appearance mechanism and passes top cap (161) are arranged in system appearance section of thick bamboo (16) are inside.

2. The vacuum soil stirring and sample preparation integrated device according to claim 1, wherein the integrated soil stirring and sample preparation mechanism comprises a stirring pipe (18) and a stirring blade (17), a power mechanism of the stirring pipe (18) is arranged on the fixed rack, a vertical chute (21) is arranged in the middle of the stirring pipe (18), the vertical chute (21) controls the lifting of the stirring blade (17), a long suction pipe (11) is arranged in the middle of the stirring pipe (18), a layer of filter screen (22) is arranged at the bottom end of the long suction pipe (11), and a lifting mechanism of the long suction pipe (11) is arranged on the fixed rack; the top end of the long suction pipe (11) is connected with a vacuum pump (13).

3. The vacuum soil stirring and sample preparation integrated device according to claim 2, wherein the fixed rack comprises a base (1-1), side frames (1) are arranged on the side edges of the base (1-1), a cross frame (2) is arranged in the middle of each side frame (1), a threaded connector (15) is arranged at the bottom of each cross frame (2), and the upper part of the sample preparation cylinder (16) is in threaded connection with the threaded connector (15) through a long bolt (163) in cooperation with the top cover (161), so that threaded lifting is realized.

4. The vacuum soil stirring and sample preparation integrated device according to claim 3, wherein the stirring pipe power mechanism comprises a driven gear, the stirring pipe (18) is sleeved on a fixed bearing arranged at a corresponding position of the cross frame (2), the driven gear is sleeved on the stirring pipe (18) arranged at the upper part of the cross frame (2), and the cross frame (2) is provided with a first driving gear (4) and a stirring motor (3) for driving the first driving gear (4) to rotate; the first driving gear (4) is in meshed transmission with the driven gear.

5. The integrated device for vacuum soil stirring and sample preparation according to claim 3, wherein the long suction pipe (11) lifting mechanism comprises a vertical rack (10), the vertical rack (10) is arranged on the side edge of the top of the long suction pipe (11), a top beam (7) is arranged on the top of the side frame (1), a fixed frame (8) is arranged on the top beam (7), and a second driving gear (5) and a lifting motor (6) for driving the second driving gear (5) to rotate are arranged on the fixed frame (8); the second driving gear (5) is in meshed transmission with the vertical rack (10).

6. The vacuum soil stirring and sample preparation integrated device according to claim 3, wherein the top end of the long suction pipe (11) is provided with a joint (9), the top end of the long suction pipe (11) is connected with a conduit (12) through the joint (9), the conduit (12) is connected with a vacuum pump (13), the vacuum pump (13) is fixed on the cross frame (2), and a water storage bin (14) is arranged on the cross frame (2) corresponding to the outlet of the vacuum pump (13).

7. The vacuum soil stirring and sample preparation integrated device according to claim 6, wherein a bracket (20) for supporting the stirring barrel in an abutting mode is arranged on the base (1-1), the bottom of the bracket (20) is fixed on the base (1-1) through a plurality of groups of springs (19), and spring buckles are arranged on the springs (19) to enable the springs (19) to be in a pressing state.

8. The vacuum soil stirring and sample preparation integrated device as claimed in claim 6, wherein the stirring blade (17) is a helical blade and is provided with two pieces.

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