CN211014271U - Special instrument for civil engineering indoor CPT - Google Patents
Special instrument for civil engineering indoor CPT Download PDFInfo
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- CN211014271U CN211014271U CN201921044123.XU CN201921044123U CN211014271U CN 211014271 U CN211014271 U CN 211014271U CN 201921044123 U CN201921044123 U CN 201921044123U CN 211014271 U CN211014271 U CN 211014271U
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Abstract
The utility model discloses an indoor CPT specialized instrument of geotechnique, including inner tube, urceolus and cylinder, the inner tube includes: the device comprises a strip-shaped groove, a barrel body, a base, a mounting groove, a flange and a mounting hole; the bottom integrated into one piece of stack shell has the base, the top integrated into one piece of stack shell has the flange, the equidistant mounting hole that opens in surface of flange, the equidistant strip groove that opens in surface of stack shell, inner wall one side of stack shell is provided with the sensor mounting groove. The utility model discloses a device utilizes the permeable stone of installation on the bar groove through being provided with six groups of bar grooves, can reach the soil body in the separation stack shell, can resist the pressure of soil body again, can also make the inside and outside moisture of stack shell exchange to can realize saturated soil static sounding experiment, simultaneously, top-down's six groups of bar groove designs, can make the inside and outside moisture of stack shell exchange unimpededly, make experimental data more accurate.
Description
Technical Field
The utility model relates to an indoor experiment technical field of geotechnique, in particular to indoor CPT instrumentation of geotechnique.
Background
The geotechnical laboratory is a laboratory for detecting various properties of soil. The geotechnical laboratory is mainly used for carrying out tests such as soil sample preparation, triaxial shearing of soil, liquid limit and plastic limit of soil, density of soil, water content of soil, compression of soil, shearing of soil, penetration of soil, compaction of soil and the like. The soil is correctly evaluated in the aspects of basic physical properties, mechanics, water physics and the like through a series of testing means.
At present, in a static sounding experiment, no special instrument which can be matched with an air cylinder to apply pressure to a soil body and can resist internal expansion pressure exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an indoor CPT instrumentation of geotechnique, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an indoor CPT specialized instrument of geotechnique, includes inner tube, urceolus and cylinder, the inner tube includes: the device comprises a strip-shaped groove, a barrel body base, a mounting groove, a flange and a flange mounting hole;
a cylinder body base is integrally formed at the bottom end of the cylinder body, a flange is integrally formed at the top end of the cylinder body, flange mounting holes are formed in the surface of the flange at equal intervals, strip-shaped grooves are formed in the surface of the cylinder body at equal intervals, and a sensor mounting groove is formed in one side of the inner wall of the cylinder body;
the outer tub includes: the device comprises a hanging hole, an outer cylinder wall, an upper cover hanging hole, an upper cover, a limiting groove, an outer cylinder base, an observation hole, an air exhaust hole, a water inlet and outlet hole and a vacuum meter mounting hole;
the upper side of the outer wall of the outer cylinder wall is integrally formed with a hanging hole, the middle part of the surface of the outer cylinder wall is provided with two groups of observation holes, the bottom end of the surface of the outer cylinder wall is provided with a water inlet and outlet hole, the top end of the outer cylinder wall is provided with an upper cover, the middle part of the top end of the upper cover is integrally formed with an upper cover hanging hole, the bottom end inside the outer cylinder wall is integrally formed with an outer cylinder base, the middle part of the outer cylinder base is provided with a limiting groove, and the surface of the upper cover is provided with an air suction hole;
the cylinder includes: the cylinder comprises a cylinder bottom, a QY hole sealing ring, a guide belt, a cylinder barrel, an O-shaped sealing ring, a front cover, a dustproof ring, a fixing bolt, a guide rod, a front cover mounting hole, a piston and a QY shaft sealing ring;
the improved cylinder is characterized in that one end of the cylinder barrel is fixedly connected with a cylinder bottom through a fixing bolt, the other end of the cylinder barrel is fixedly connected with a front cover through a screw, a piston is sleeved inside the cylinder barrel, a guide rod is movably connected to the middle of the piston, a sealing ring for a QY hole, a guide belt and a sealing ring for a QY shaft are arranged at the joint of the cylinder barrel and the piston, the guide belt and a dust ring are arranged at the joint of the front cover and the piston, and an O-shaped sealing ring is arranged at the joint of the cylinder barrel and the front cover.
Further, the length of bar groove equals the height of stack shell, the equidistant 6 that are provided with of bar groove.
Furthermore, the surface of the strip-shaped groove is embedded with a permeable stone.
Furthermore, the connection part of the upper cover and the outer cylinder wall is a sealing structure.
Furthermore, a transparent pipe is externally connected between the observation holes to form a communicating vessel for observing the water level.
Furthermore, the outer side of the front cover is provided with a front cover mounting hole.
Furthermore, the piston is of a circular ring structure, and the middle part of the piston is hollowed out to perform weight reduction treatment.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a device utilizes the bar groove to install the permeable stone through being provided with six groups of bar grooves, can enough separate the soil body in the stack shell, can resist the pressure of soil body again, can also make the inside and outside moisture of stack shell exchange to can realize the static sounding experiment of saturated soil, simultaneously, six groups of bar groove designs from top to bottom can make the inside and outside moisture exchange of stack shell unimpededly, make the experimental data more accurate;
through being provided with the business turn over water hole, be convenient for to a section of thick bamboo notes water and drainage, simultaneously, through being provided with the observation hole of co-altitude not, constitute the linker through connecting the hyaline tube and be used for observing the water level.
Drawings
FIG. 1 is a schematic structural view of an inner cylinder of the present invention;
FIG. 2 is a schematic top view of the inner barrel structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the outer barrel of the present invention;
FIG. 4 is a schematic view of the overall structure of the outer barrel of the present invention;
fig. 5 is a schematic bottom view of the outer barrel of the present invention;
FIG. 6 is a schematic view of the cylinder structure of the present invention;
fig. 7 is a schematic structural view of one end of the cylinder according to the present invention;
fig. 8 is a schematic structural view of the front cover of the present invention;
fig. 9 is a schematic structural diagram of the piston of the present invention.
In the figure: 1. an inner barrel; 11. a strip-shaped groove; 12. a barrel body, 13, a barrel body base; 14. mounting grooves; 15. a flange; 16. a flange mounting hole; 2. an outer cylinder; 21. hanging holes; 22. an outer cylinder wall; 23. hanging holes on the upper cover; 24. an upper cover; 25. a limiting groove; 26. an outer cylinder base; 27. A drain hole; 28. a water injection hole; 29. water inlet and outlet holes; 30. a vacuum gauge mounting hole; 3. a cylinder; 31. a cylinder bottom; 32. a sealing ring for the QY hole; 33. a guide belt; 34. a cylinder barrel; 35. An O-shaped sealing ring; 36. a front cover; 37. a dust ring; 38. fixing the bolt; 39. a guide bar; 310. a front cover mounting hole; 311. a piston; 312. QY axis is with sealing washer.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 9, a CPT special instrument in a soil chamber comprises an inner cylinder 1, an outer cylinder 2 and a cylinder 3, wherein the inner cylinder 1 comprises: the device comprises a strip-shaped groove 11, a barrel body 12, a barrel body base 13, a mounting groove 14, a flange 15 and a flange mounting hole 16;
a barrel body base 13 is integrally formed at the bottom end of the barrel body 12, a flange 15 is integrally formed at the top end of the barrel body 12, flange mounting holes 16 are formed in the surface of the flange 15 at equal intervals, strip-shaped grooves 11 are formed in the surface of the barrel body 12 at equal intervals, and a sensor mounting groove 14 is formed in one side of the inner wall of the barrel body 12;
the outer tub 2 includes: the device comprises a hanging hole 21, an outer cylinder wall 22, an upper cover hanging hole 23, an upper cover 24, a limiting groove 25, an outer cylinder base 26, an observation hole 27, an air suction hole 28, a water inlet and outlet hole 29 and a vacuum meter mounting hole 30;
a hanging hole 21 is integrally formed in the upper side of the outer wall of the outer cylinder wall 22, two groups of observation holes 27 are formed in the middle of the surface of the outer cylinder wall 22, a water inlet and outlet hole 29 is formed in the bottom end of the surface of the outer cylinder wall 22, an upper cover 24 is arranged at the top end of the outer cylinder wall 22, an upper cover hanging hole 23 is integrally formed in the middle of the top end of the upper cover 24, an outer cylinder base 26 is integrally formed at the bottom end inside the outer cylinder wall 22, a limiting groove 25 is formed in the middle of the outer cylinder base 26, and an air suction hole 28 and a vacuum meter mounting hole 30 are formed in the surface of;
the cylinder 3 includes: a cylinder bottom 31, a QY hole seal ring 32, a guide belt 33, a cylinder 34, an O-shaped seal ring 35, a front cover 36, a dust ring 37, a fixing bolt 38, a guide rod 39, a front cover mounting hole 310, a piston 311 and a QY shaft seal ring 312;
one end of the cylinder barrel 34 is fixedly connected with a cylinder bottom 31 through a fixing bolt 38, the other end of the cylinder barrel 34 is fixedly connected with a front cover 36 through a screw, a piston 311 is sleeved inside the cylinder barrel 34, a guide rod 39 is movably connected to the middle of the piston 311, a sealing ring 32 for a QY hole, a guide belt 33 and a sealing ring 312 for a QY shaft are arranged at the joint of the cylinder barrel 34 and the piston 311, the guide belt 33 and a dust ring 37 are arranged at the joint of the front cover 36 and the piston 311, and an O-shaped sealing ring 35 is arranged at the joint of the cylinder barrel 34 and the front cover 36.
Wherein, the length of bar groove 11 equals the height of stack shell 12, bar groove 11 is equidistant to be provided with 6.
Wherein, the surface of the strip-shaped groove 11 is embedded with permeable stones.
Wherein, the connection position of the upper cover 24 and the outer cylinder wall 22 is a sealing structure.
Wherein, a transparent tube is externally connected between the observation holes 27 to form a communicating vessel for observing the water level.
Wherein, the outer side of the front cover 36 is provided with a front cover mounting hole 310.
The piston 311 is a circular ring structure, and the middle part of the piston 311 is hollowed to perform weight reduction treatment.
It should be noted that the utility model is a special CPT instrument in the civil engineering room,
the installation step: firstly, permeable stones are laid in the strip-shaped grooves 1 along the inner wall of the barrel body 2, the permeable stones are tightly attached to the inner wall of the barrel body 2 and are fully paved on the regular strip-shaped grooves 1, then the barrel body 2 is placed in the outer barrel, the outer barrel is a container capable of storing and transferring moisture, then soil to be detected is put into the barrel body 2, the air cylinder is installed on the flange 5 and is fixedly connected with the barrel body 2 through the installation hole 6, the air cylinder presses downwards to apply pressure to the soil in the barrel body 2, finally, the moisture in the soil in the barrel body 2 flows out through the permeable stones, meanwhile, the pressure sensor installed on the sensor installation groove 4 can detect the pressure of the soil in the barrel body 2 in real time, the pressure sensor is any one type sold in the market, and the shape of the sensor installation groove 4 can be adjusted according to the shape;
install this cylinder on the top of static sounding, make protecgulum 6 down, and through the urceolus fixed connection of mounting hole 10 with this cylinder and experiment, make protecgulum 6 and experiment urceolus zonulae occludens, realize sealed effect, dust ring 7 can prevent that the dust in earth from getting into inside the cylinder simultaneously, and be provided with sealing washer 2 for the QY hole, a plurality of sealing device such as O type sealing washer 5, realize sealed effect, thereby leakproofness and sufficient pressure when can guaranteeing the interior static sounding experiment of geotechnique.
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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an indoor CPT specialized instrument of geotechnique, includes inner tube (1), urceolus (2) and cylinder (3), its characterized in that: the inner cylinder (1) comprises: the device comprises a strip-shaped groove (11), a barrel body (12), a barrel body base (13), a mounting groove (14), a flange (15) and a flange mounting hole (16);
a barrel body base (13) is integrally formed at the bottom end of the barrel body (12), a flange (15) is integrally formed at the top end of the barrel body (12), flange mounting holes (16) are formed in the surface of the flange (15) at equal intervals, strip-shaped grooves (11) are formed in the surface of the barrel body (12) at equal intervals, and a sensor mounting groove (14) is formed in one side of the inner wall of the barrel body (12);
the outer tub (2) includes: the device comprises a hanging hole (21), an outer cylinder wall (22), an upper cover hanging hole (23), an upper cover (24), a limiting groove (25), an outer cylinder base (26), an observation hole (27), an air suction hole (28), a water inlet and outlet hole (29) and a vacuum meter mounting hole (30);
a hanging hole (21) is integrally formed in the upper side of the outer wall of the outer cylinder wall (22), two groups of observation holes (27) are formed in the middle of the surface of the outer cylinder wall (22), water inlet and outlet holes (29) are formed in the bottom end of the surface of the outer cylinder wall (22), an upper cover (24) is arranged at the top end of the outer cylinder wall (22), an upper cover hanging hole (23) is integrally formed in the middle of the top end of the upper cover (24), an outer cylinder base (26) is integrally formed at the bottom end of the inner part of the outer cylinder wall (22), a limiting groove (25) is formed in the middle of the outer cylinder base (26), and an air suction hole (28) and a vacuum meter mounting hole (30) are formed in the;
the cylinder (3) comprises: the cylinder bottom (31), a QY hole sealing ring (32), a guide belt (33), a cylinder barrel (34), an O-shaped sealing ring (35), a front cover (36), a dust ring (37), a fixing bolt (38), a guide rod (39), a front cover mounting hole (310), a piston (311) and a QY shaft sealing ring (312);
the one end of cylinder (34) is through fixing bolt (38) fixedly connected with cylinder end (31), the other end of cylinder (34) is through screw fixedly connected with protecgulum (36), piston (311) have been cup jointed to the inside of cylinder (34), the middle part swing joint of piston (311) has guide arm (39), the junction of cylinder (34) and piston (311) is provided with sealing washer (32) for the QY hole, guidance tape (33) and sealing washer (312) for the QY axle, the junction of protecgulum (36) and piston (311) is provided with guidance tape (33) and dust ring (37), the junction of cylinder (34) and protecgulum (36) is provided with O type sealing washer (35).
2. The special instrument for the CPT in the earthwork room of claim 1, wherein: the length of bar groove (11) equals the height of stack shell (12), bar groove (11) equidistant is provided with 6.
3. A soil working indoor CPT special instrument according to claim 1 or 2, characterized in that: the surface of the strip-shaped groove (11) is embedded with permeable stones.
4. The special instrument for the CPT in the earthwork room of claim 1, wherein: the joint of the upper cover (24) and the outer cylinder wall (22) is a sealing structure.
5. The special instrument for the CPT in the earthwork room of claim 1, wherein: transparent tubes are externally connected between the observation holes (27) to form a communicating vessel for observing the water level.
6. The special instrument for the CPT in the earthwork room of claim 1, wherein: the outer side of the front cover (36) is provided with a front cover mounting hole (310).
7. The special instrument for the CPT in the earthwork room of claim 1, wherein: the piston (311) is of a circular ring structure, and the middle of the piston (311) is hollowed to perform weight reduction treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044123.XU CN211014271U (en) | 2019-07-05 | 2019-07-05 | Special instrument for civil engineering indoor CPT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044123.XU CN211014271U (en) | 2019-07-05 | 2019-07-05 | Special instrument for civil engineering indoor CPT |
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| Publication Number | Publication Date |
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| CN211014271U true CN211014271U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921044123.XU Active CN211014271U (en) | 2019-07-05 | 2019-07-05 | Special instrument for civil engineering indoor CPT |
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| CN (1) | CN211014271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208495A (en) * | 2019-07-05 | 2019-09-06 | 中国地震局工程力学研究所 | A kind of geotechnique interior CPT special instrument |
-
2019
- 2019-07-05 CN CN201921044123.XU patent/CN211014271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208495A (en) * | 2019-07-05 | 2019-09-06 | 中国地震局工程力学研究所 | A kind of geotechnique interior CPT special instrument |
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