CN204649529U - Triaxial cell's proving installation - Google Patents
Triaxial cell's proving installation Download PDFInfo
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- CN204649529U CN204649529U CN201520388721.4U CN201520388721U CN204649529U CN 204649529 U CN204649529 U CN 204649529U CN 201520388721 U CN201520388721 U CN 201520388721U CN 204649529 U CN204649529 U CN 204649529U
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- proving installation
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Abstract
The utility model provides triaxial cell's proving installation, comprising: base, lock nut and pressure pot; The bottom of pressure pot is provided with cascaded surface, is assemblied in above described base, and lock nut loads from the top of described pressure pot, fixes, is connected with described base, makes described pressure pot room be fixed on the upper end of described base.Triaxial cell of the present utility model proving installation, have employed overall screw connection structure, in test process, and the bottom uniform force of pressure chamber, and only adopt an assembly connection can complete test specimen installation.Solve existing three axles, pressure chamber arrangement installation effectiveness be low, the problem of poor stability.To in the test process of test specimen, the uniform force bottom pressure pot, ensure that on the one hand and tests effect preferably, in addition on the one hand, improve security and the reliability of test.
Description
Technical field
The utility model relates to the technical field of Geotechnical Engineering, building materials, geologic hazard research and apply, particularly relates to ground three axle proving installation.
Background technology
In material properties of rock process of the test, the environment of simulation rock residing at the bottom of ground, in reduction nature situation, the stressing conditions of rock, obtains and detects data, thus provides theoretical foundation accurately for engineering construction.Due to, the degree of depth residing for different rocks is different, and suffered power, also along with change, therefore, requires to provide corresponding X, Y, Z triaxial pressure to experimental enviroment.For meeting this test request, during test, need rock sample be positioned in pressure chamber, in test process, need to change test specimen carry out test of many times.Existing pressure chamber is fixed with the form of base many employings flange, is connected, when test specimen is larger, need to adopt larger flange to connect, thus tackbolt more while pitch-row require that high, difficulty of processing is large, in the assembling process of base and pressure chamber, its assembly difficulty is comparatively large, the running time is long, particularly after assembling, easily cause each bolt strained inequality, easily cause and break, occur security incident.
Utility model content
Provide triaxial cell's proving installation in the utility model, solve that existing triaxial cell proving installation operating efficiency is low, the problem of poor stability.
In order to solve the problem, the utility model provides triaxial cell's proving installation, comprising: base, lock nut and pressure pot; Locking shoulder hole is offered in described lock nut, the bottom of described pressure pot is provided with cascaded surface, is arranged at above described base, and described lock nut loads from the top of described pressure pot, the bottom of locking shoulder hole is fixedly connected with described base, and described cascaded surface is pressed in the upper end of base by top.
In a preferred embodiment, the ladder quantity of described cascaded surface is: 1 or 2.
In a preferred embodiment, the end face angle of described cascaded surface is the angle of 30 ° ~ 45 °.
In a preferred embodiment, the end face of described base is provided with mounting boss; The external diameter of described mounting boss is corresponding to the internal diameter of described pressure pot, makes described pressure pot be assemblied in the outside of described mounting boss, bottom described pressure pot and between described base, forms fitting tight face.
In a preferred embodiment, the periphery of described mounting boss offers closure gasket groove, in described closure gasket groove, assemble O type circle, described O type circle is positioned on described fitting tight face.
In a preferred embodiment, the bottom of described locking shoulder hole is fixedly connected with by screw thread with the periphery of described base.
In a preferred embodiment, also comprise, gland; Described gland is arranged at the accent top, top of described pressure pot, with being fixedly connected with of described pressure pot.
In a preferred embodiment, sealing neck is offered at the top of described pressure pot, corresponding to described sealing neck bottom the pilot hole of described gland, after described pilot hole is threaded with the periphery of described pressure pot, make described pilot hole sealing bottom surface in the accent top, top of described pressure pot.
In a preferred embodiment, described sealing neck offers closure gasket groove, in described closure gasket groove, assemble O type circle.
The beneficial effects of the utility model are, triaxial cell of the present utility model proving installation, have employed overall helicitic texture, in test process, make the bottom uniform force of pressure chamber, and assembling is simple, efficient.To in the test process of test specimen, effectively ensure that and test effect preferably, turn improve security and the reliability of test.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is in a kind of embodiment of the present utility model, the inner structure schematic diagram of triaxial cell's proving installation.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structure of the triaxial pressure bucket proving installation in a kind of embodiment of the present utility model as shown in Figure 1, comprising: base 10, lock nut 30, gland 40 and pressure pot 20.Pressure pot 20 adopts the metal materials such as stainless steel, carbon steel or brass to make, and offers cylindrical test chamber 21 at the middle part of pressure pot 20, and the accent of test chamber 21 is arranged at bottom and top.On cylindrical bottom pressure pot 20, turning cascaded surface 22, namely forms axial projection face in the outside of pressure pot 20.Process and assemble boss 12 on the end face 11 of base 10.The internal diameter of the external diameter of mounting boss 12 and the bottom accent of test chamber 21 adopts clearance fit, can coordinate, locates with the bottom accent of test chamber 21.The cylindrical of base 10 offers external thread 13, locking shoulder hole is offered in lock nut described in lock nut 30, the internal thread 31 identical with external thread 13 is offered in the bottom of locking shoulder hole, the upper inner wall 32 formation mating surface identical with the shape of above-mentioned cascaded surface 22 of endoporus, the bottom of locking shoulder hole is fixedly connected with described base, and described cascaded surface is pressed in the upper end of base by top.The ladder quantity of above-mentioned cascaded surface is: 1 or 2.It should be noted that, bottom lock nut 30 better compaction pressure bucket 20, above-mentioned internal thread 31 length should be less than external thread 13 length, so that internal thread 31 and external thread 13 are fully tightened.When using the triaxial pressure bucket proving installation in the utility model to carry out test specimen test, first, test specimen is positioned over the center above base 10, on the end face 11 again bottom of pressure pot 20 being positioned over base 10 on process and assemble boss 12, mounting boss 12 is made to be positioned at the accent inside, bottom of test chamber 21, lock nut internal thread 31 and external thread 13 are screwed, upper inner wall 32 is compacted on cascaded surface 22.Offer tommy bar hole 33 at lock nut 30 cylindrical to be convenient to install.Sealing surface is formed between pressure pot 20 bottom faces 24 and the step surface 12 of base 10.Thus, achieve the installation of test process, simplify installation process.In test process, the upward force that pressure pot 20 bears will be uniformly applied to the outside of base 10 by lock nut 30, thus ensure that the security of measuring accuracy and test.
For ease of installation and the larger bearing capacity of lock nut 30, in a kind of embodiment of the present utility model, the end face angle of above-mentioned cascaded surface 22 is the angle of 30 ° ~ 45 °.
For solving the sealing bottom pressure pot 20 and between the mounting boss 12 of base 10, in a kind of embodiment of the present utility model, the cylindrical of mounting boss 12 offers closure gasket groove 122, in closure gasket groove 122, assembles O type circle, O type circle is positioned on fitting tight face.Thus ensure the sealing bottom pressure pot 20 between 24 and the mounting boss 12 of base 10.
In a kind of embodiment of the present utility model, at the top of pressure pot 20, i.e. the upper accent place assembling gland 40 of test chamber 21.Location, sealing surface 23 are offered in the top of pressure pot 20.Adopt clearance fit with sealing surface 23 bottom the pilot hole 41 of gland 40, machining screw 42 bottom gland 40, pressure pot 20 top machining screw 26 is identical with 42, and pressure pot 20 adopts with gland 40 and is threaded.Dress gland 40 bottom faces 41 is sealed on top 23 sealing surface of pressure pot 20.For ease of the sealing on the accent top, top to pressure pot 20, in a kind of preferred version, sealing surface 23 is offered closure gasket groove 231, in closure gasket groove 231, assemble O type circle.
In a kind of embodiment of the present utility model, offer force transmission shaft mounting hole 43 in gland 40 center, for the loading of xial feed in testing.Mounting hole 43 and force transmission shaft adopt clearance fit.For ease of the sealing to gland 40 mounting hole 43 and force transmission shaft, in a kind of preferred version, mounting hole 43 medial surface offers closure gasket groove 431, in closure gasket groove 431, assemble O type circle.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (9)
1. triaxial cell's proving installation, is characterized in that, comprising: base, lock nut and pressure pot; Locking shoulder hole is offered in described lock nut, the bottom of described pressure pot is provided with cascaded surface, is arranged at above described base, and described lock nut loads from the top of described pressure pot, the bottom of locking shoulder hole is fixedly connected with described base, and described cascaded surface is pressed in the upper end of base by top.
2. triaxial cell according to claim 1 proving installation, is characterized in that, the ladder quantity of described cascaded surface is: 1 or 2.
3. triaxial cell according to claim 1 and 2 proving installation, is characterized in that, the face angle of described cascaded surface is the angle of 30 ° ~ 45 °.
4. triaxial cell according to claim 1 and 2 proving installation, is characterized in that, the end face of described base is provided with mounting boss; The external diameter of described mounting boss is corresponding to the internal diameter of described pressure pot, makes described pressure pot be assemblied in the outside of described mounting boss, bottom described pressure pot and between described base, forms fitting tight face.
5. triaxial cell according to claim 4 proving installation, is characterized in that, the periphery of described mounting boss offers closure gasket groove, assembles O type circle in described closure gasket groove, and described O type circle is positioned on described fitting tight face.
6. triaxial cell according to claim 1 proving installation, is characterized in that, the bottom of described locking shoulder hole is fixedly connected with by screw thread with the periphery of described base.
7. triaxial cell according to claim 1 proving installation, is characterized in that, also comprise, gland; Described gland is arranged at the accent top, top of described pressure pot, with being fixedly connected with of described pressure pot.
8. triaxial cell according to claim 7 proving installation, it is characterized in that, sealing neck is offered at the top of described pressure pot, corresponding to described sealing neck bottom the pilot hole of described gland, described pilot hole is threaded with the periphery of described pressure pot, makes described pilot hole sealing bottom surface in the accent top, top of described pressure pot.
9. triaxial cell according to claim 8 proving installation, is characterized in that, described sealing neck offers closure gasket groove, assembles O type circle in described closure gasket groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388721.4U CN204649529U (en) | 2015-06-08 | 2015-06-08 | Triaxial cell's proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388721.4U CN204649529U (en) | 2015-06-08 | 2015-06-08 | Triaxial cell's proving installation |
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| CN204649529U true CN204649529U (en) | 2015-09-16 |
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| CN201520388721.4U Active CN204649529U (en) | 2015-06-08 | 2015-06-08 | Triaxial cell's proving installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018236A (en) * | 2016-05-25 | 2016-10-12 | 河海大学 | Multifunctional integrated cap pressing type pressure chamber in rock coupling penetration test and test method |
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2015
- 2015-06-08 CN CN201520388721.4U patent/CN204649529U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018236A (en) * | 2016-05-25 | 2016-10-12 | 河海大学 | Multifunctional integrated cap pressing type pressure chamber in rock coupling penetration test and test method |
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