CN212539983U - Frozen soil triaxial apparatus pressure chamber - Google Patents
Frozen soil triaxial apparatus pressure chamber Download PDFInfo
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- CN212539983U CN212539983U CN202021487091.3U CN202021487091U CN212539983U CN 212539983 U CN212539983 U CN 212539983U CN 202021487091 U CN202021487091 U CN 202021487091U CN 212539983 U CN212539983 U CN 212539983U
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- pressure chamber
- cooling liquid
- liquid inlet
- chamber body
- frozen soil
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a frozen soil triaxial apparatus pressure chamber, which comprises a main machine, a lower cooling liquid inlet, a pressure chamber body, a lower heat preservation layer, a guide belt, an upper heat preservation layer, a pressure chamber cover, a plunger, an upper cooling liquid inlet, an upper cooling liquid outlet, a lower cooling liquid outlet, a temperature measurement sensor and an automatic control system; the pressure chamber body is positioned in the main machine, the pressure chamber cover is positioned above the pressure chamber body and is embedded into the pressure chamber body, the lower cooling liquid inlet is positioned on the left lower side of the pressure chamber body, the lower cooling liquid outlet is positioned in the main machine, the lower cooling liquid outlet is connected with the lower cooling liquid inlet and is positioned on the right lower side of the pressure chamber body, the upper cooling liquid inlet is positioned on the right upper side of the pressure chamber cover, and the upper cooling liquid outlet is connected with the upper cooling liquid inlet and is positioned below the upper cooling liquid inlet. The utility model discloses solve the big scheduling problem of frozen soil triaxial test result error of current frozen soil triaxial apparatus pressure chamber can't be solved.
Description
Technical Field
The utility model relates to a civil engineering field especially relates to a frozen soil triaxial apparatus pressure chamber.
Background
The frozen soil triaxial apparatus pressure chamber has the normal functions of the triaxial apparatus pressure chamber, ensures that a triaxial test sample is uniformly and constantly heated in a frozen soil low-temperature environment, and can adjust the temperature according to the heating working condition of the test sample in the pressure chamber.
In the field of frozen soil triaxial apparatus pressure chambers in China, a device capable of meeting the technical requirements of frozen soil triaxial tests is almost blank, the temperature control of a cavity cannot meet the technical requirements of the frozen soil triaxial tests in a low-temperature environment in an imported frozen soil triaxial apparatus pressure chamber, the existing frozen soil triaxial apparatus pressure chamber cannot reflect the behavior of soil sample strength characteristic changing along with the temperature, and great errors are easily caused to the results of the frozen soil triaxial tests.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frozen soil triaxial apparatus pressure chamber to solve the big scheduling problem of frozen soil triaxial test result error that can't be solved to current frozen soil triaxial apparatus pressure chamber.
In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a host, a lower cooling liquid inlet, a pressure chamber body, a lower heat-insulating layer, a guide belt, an upper heat-insulating layer, a pressure chamber cover, a plunger, an upper cooling liquid inlet, an upper cooling liquid outlet, a lower cooling liquid outlet, a temperature measuring sensor and an automatic control system; the pressure chamber body is positioned in the main machine, the pressure chamber cover is positioned above the pressure chamber body and embedded into the pressure chamber body, the lower cooling liquid inlet is positioned at the left lower part of the pressure chamber body, the lower cooling liquid outlet is positioned in the main machine, the lower cooling liquid outlet is connected with the lower cooling liquid inlet and positioned at the right lower part of the pressure chamber body, the upper cooling liquid inlet is positioned at the right upper part of the pressure chamber cover, the upper cooling liquid outlet is connected with the upper cooling liquid inlet and positioned below the upper cooling liquid inlet, the plunger is embedded into the pressure chamber body, the guide belts are positioned at two sides of the plunger, the plunger is movably connected with the pressure chamber body through the guide belts, the upper heat-insulating layer is positioned above the pressure chamber cover, the lower heat-insulating layer is positioned below the upper heat-insulating layer, the temperature measuring sensor and the automatic control system are positioned at the right side in the main machine, the temperature sensor is positioned above the automatic control system and is connected with the automatic control system through a lead.
Preferably, the material of the pressure chamber body is duralumin.
Preferably, a sealing ring A and a retaining ring A are arranged on two sides of the pressure chamber cover, the sealing ring A and the retaining ring A are annular, and the retaining ring A is located at the root of the pressure-bearing side of the sealing ring A.
Preferably, a sealing ring B, a check ring B and a dustproof ring are arranged on the inner side of the pressure chamber cover, the dustproof ring is positioned above the sealing ring B, the sealing ring B and the check ring B are in an annular shape, and the check ring B is positioned at the root of the pressure-bearing side of the sealing ring B.
Preferably, an exhaust valve is arranged above the main machine, and the exhaust valve is connected with the pressure chamber body and is positioned on the left side of the plunger.
Preferably, a moving rod is arranged on the left side of the main machine and connected with the pressure chamber cover.
Preferably, an outlet sleeve is arranged above the main machine and is positioned on the right side of the plunger.
The utility model has the advantages that:
the utility model aims to overcome import frozen soil triaxial apparatus pressure chamber accuse temperature, heat preservation and the inhomogeneous technological problem of triaxial test sample receiving the temperature, provide a structure simultaneously and set up rationally, operate steadily, dependable performance, but remote control, easy maintenance's utility model. Through the use of the pressure chamber matched with a three-axis host in recent years, good social and economic benefits are obtained.
The utility model discloses increase temperature measurement sensor feedback temperature signal and give autonomous system, autonomous system can receive the temperature operating mode according to the laboratory test sample, carries out temperature self-modulation. The triaxial test sample is guaranteed to be uniformly and constantly heated in the frozen soil in the low-temperature environment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-lower cooling liquid inlet, 2-pressure chamber body (duralumin), 3-lower heat preservation layer, 4-guide belt, 5-sealing ring A, 6-retainer ring A, 7-sealing ring B, 8-retainer ring B, 9-dust ring, 10-moving rod, 11-upper heat preservation layer, 12-pressure chamber cover, 13-exhaust valve, 14-plunger, 15-outlet sleeve, 16-upper cooling liquid inlet, 17-upper cooling liquid outlet, 18-lower cooling liquid outlet, 19-host, 20-temperature sensor and 21-automatic control system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a frozen soil triaxial apparatus pressure chamber as shown in the figure, which comprises a host 19, a lower cooling liquid inlet 1, a pressure chamber body 2, a lower heat preservation layer 3, a guide belt 4, an upper heat preservation layer 11, a pressure chamber cover 12, a plunger 14, an upper cooling liquid inlet 16, an upper cooling liquid outlet 17, a lower cooling liquid outlet 18, a temperature measuring sensor 20 and an automatic control system 21; the pressure chamber body 2 is positioned inside the main body 19, the pressure chamber cover 12 is positioned above the pressure chamber body 2 and is embedded in the pressure chamber body 2, the lower cooling liquid inlet 1 is positioned at the left lower side of the pressure chamber body 2, the lower cooling liquid outlet 18 is positioned inside the main body 19, the lower cooling liquid outlet 18 is connected with the lower cooling liquid inlet 1 and is positioned at the right lower side of the pressure chamber body 2, the upper cooling liquid inlet 16 is positioned at the right upper side of the pressure chamber cover 12, the upper cooling liquid outlet 17 is connected with the upper cooling liquid inlet 16 and is positioned below the upper cooling liquid inlet 16, the plunger 14 is embedded in the pressure chamber body 2, the guide belts 4 are positioned at two sides of the plunger 14, the plunger 14 is movably connected with the pressure chamber body 2 through the guide belts 4, the upper heat-insulating layer 11 is positioned above the pressure chamber cover 12, the lower heat-insulating layer 3 is positioned below the upper heat-insulating layer 11, the temperature sensor 20 and the autonomous system 21 are located on the right side of the interior of the host 19, and the temperature sensor 20 is located above the autonomous system 21 and connected with the autonomous system 21 through a lead.
It is worth mentioning that the material of the pressure chamber body 2 is duralumin; a sealing ring A5 and a retainer ring A6 are arranged on two sides of the pressure chamber cover 12, the sealing ring A5 and the retainer ring A6 are in an annular shape, and the retainer ring A6 is positioned at the root of the pressure-bearing side of the sealing ring A6; a sealing ring B7, a retaining ring B8 and a dustproof ring 9 are arranged on the inner side of the pressure chamber cover 12, the dustproof ring 9 is positioned above a sealing ring B7, the sealing ring B7 and the retaining ring B8 are in a ring shape, and a retaining ring B8 is positioned at the root of the pressure-bearing side of the sealing ring B7; an exhaust valve 13 is arranged above the main machine 19, and the exhaust valve 13 is connected with the pressure chamber body 2 and is positioned on the left side of the plunger 14; a carrying rod 10 is arranged on the left side of the main machine 19, and the carrying rod 10 is connected with a pressure chamber cover 12; an outlet sleeve 15 is arranged above the main machine 19, and the outlet sleeve 15 is positioned at the right side of the plunger 14.
The pressure chamber of the frozen soil triaxial apparatus has the normal function of the pressure chamber, the upper and lower circulating cooling liquid passages and the used materials are reasonably arranged, the temperature measuring sensor is added to feed back a temperature signal to the automatic control system, and the automatic control system can carry out temperature self-regulation according to the temperature-bearing working condition of a test sample in the pressure chamber. The triaxial test sample is guaranteed to be uniformly and constantly heated in the frozen soil in the low-temperature environment.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A frozen soil triaxial apparatus pressure chamber is characterized by comprising a host (19), a lower cooling liquid inlet (1), a pressure chamber body (2), a lower heat-insulating layer (3), a guide belt (4), an upper heat-insulating layer (11), a pressure chamber cover (12), a plunger (14), an upper cooling liquid inlet (16), an upper cooling liquid outlet (17), a lower cooling liquid outlet (18), a temperature measuring sensor (20) and an automatic control system (21); the pressure chamber body (2) is positioned in the main machine (19), the pressure chamber cover (12) is positioned above the pressure chamber body (2) and is embedded into the pressure chamber body (2), the lower cooling liquid inlet (1) is positioned at the left lower part of the pressure chamber body (2), the lower cooling liquid outlet (18) is positioned in the main machine (19), the lower cooling liquid outlet (18) is connected with the lower cooling liquid inlet (1) and is positioned at the right lower part of the pressure chamber body (2), the upper cooling liquid inlet (16) is positioned at the right upper part of the pressure chamber cover (12), the upper cooling liquid outlet (17) is connected with the upper cooling liquid inlet (16) and is positioned below the upper cooling liquid inlet (16), the plunger (14) is embedded into the pressure chamber body (2), the guide belts (4) are positioned at two sides of the plunger (14), and the plunger (14) is movably connected with the pressure chamber body (2) through the guide belts (4), the temperature measuring device is characterized in that the upper heat-insulating layer (11) is positioned above the pressure chamber cover (12), the lower heat-insulating layer (3) is positioned below the upper heat-insulating layer (11), the temperature measuring sensor (20) and the automatic control system (21) are positioned on the right side of the interior of the host (19), and the temperature measuring sensor (20) is positioned above the automatic control system (21) and is connected with the automatic control system (21) through a wire.
2. The frozen soil triaxial apparatus pressure chamber of claim 1, wherein: the pressure chamber body (2) is made of hard aluminum.
3. The frozen soil triaxial apparatus pressure chamber of claim 2, wherein: the two sides of the pressure chamber cover (12) are provided with a sealing ring A (5) and a check ring A (6), the sealing ring A (5) and the check ring A (6) are annular, and the check ring A (6) is located at the root of the pressure-bearing side of the sealing ring A (5).
4. The frozen soil triaxial apparatus pressure chamber of claim 2, wherein: the inner side of the pressure chamber cover (12) is provided with a sealing ring B (7), a check ring B (8) and a dustproof ring (9), the dustproof ring (9) is positioned above the sealing ring B (7), the sealing ring B (7) and the check ring B (8) are in an annular shape, and the check ring B (8) is positioned at the root of the pressure-bearing side of the sealing ring B (7).
5. The frozen soil triaxial apparatus pressure chamber of claim 1, wherein: an exhaust valve (13) is arranged above the main machine (19), and the exhaust valve (13) is connected with the pressure chamber body (2) and is positioned on the left side of the plunger (14).
6. The frozen soil triaxial apparatus pressure chamber of claim 1, wherein: the left side of the main machine (19) is provided with a carrying rod (10), and the carrying rod (10) is connected with the pressure chamber cover (12).
7. The frozen soil triaxial apparatus pressure chamber of claim 1, wherein: an outlet sleeve (15) is arranged above the host (19), and the outlet sleeve (15) is positioned on the right side of the plunger (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487091.3U CN212539983U (en) | 2020-07-24 | 2020-07-24 | Frozen soil triaxial apparatus pressure chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487091.3U CN212539983U (en) | 2020-07-24 | 2020-07-24 | Frozen soil triaxial apparatus pressure chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212539983U true CN212539983U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021487091.3U Active CN212539983U (en) | 2020-07-24 | 2020-07-24 | Frozen soil triaxial apparatus pressure chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212539983U (en) |
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2020
- 2020-07-24 CN CN202021487091.3U patent/CN212539983U/en active Active
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