CN201754133U - Hanging type pressure chamber of tri-axial apparatus - Google Patents
Hanging type pressure chamber of tri-axial apparatus Download PDFInfo
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- CN201754133U CN201754133U CN2010202730576U CN201020273057U CN201754133U CN 201754133 U CN201754133 U CN 201754133U CN 2010202730576 U CN2010202730576 U CN 2010202730576U CN 201020273057 U CN201020273057 U CN 201020273057U CN 201754133 U CN201754133 U CN 201754133U
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- pressure chamber
- sleeve
- base
- pressure rod
- hanging
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Abstract
The utility model relates to a hanging type pressure chamber of a tri-axial apparatus. A connecting bottom ring and a base of the hanging type pressure chamber of the tri-axial apparatus are connected or separated by a connecting sleeve with an internal thread; at present, the flange type connecting bottom ring and the base of the pressure chamber of the tri-axial apparatus are connected by symmetrical bolts; compared with the present connecting method, the rotating operation of the connecting sleeve not only is simple and quick, but also can ensure the uniformity and sealing performance of the jointing degree between the connecting bottom ring and the base of the hanging type pressure chamber in each direction. The hanging type pressure chamber of the tri-axial apparatus can move up and down with a pressurizing rod as a shaft; when the pressure chamber moves upwards, a guide sealing sleeve of the pressure chamber can be connected with a hanging sleeve in a hanging way, so as to change the operating way of moving the present pressure chamber in or out of a test bed, thereby not only saving labor, but also avoiding falling accidents of the pressure chamber in the moving-in/out process. The hanging type pressure chamber of the tri-axial apparatus has the prominent advantages of adopting reasonable structure, being simple to operate, lowering the labor intensity, and being beneficial for improving the test efficiency.
Description
Technical field
The utility model belongs to the geotechnical mechanics test and uses triaxial apparatus, particularly relates to a kind of suspension type pressure chamber of triaxial apparatus.
Background technology
The pressure chamber of triaxial apparatus be the soil property sample is installed, to the primary structure of sample loading with the control draining.The composition of existing pressure chamber comprises that the flange form metal connects the end cap at foundation ring, the transparent stack shell that is fixed in this connection foundation ring and stack shell top, is positioned at the pilot seal cover at end cap center and is engaged in the pressure rod that this pilot seal is overlapped, and the pressure rod upper end links with the axial force take-off lever of loading system.Pressure chamber's end cap also is provided with switch valve.
Pressure chamber in the process of the test is connected with the bolt of the base that is supported on testing table lifting main shaft by 3 symmetrical distributions, the soil property sample is installed in the pressure chamber before the test or the test back is shifted out from the pressure chamber in the operation of soil property sample, the pressure chamber that comprises pressure rod is connected or separates with base as a whole parts and moves into or shift out testing table.
There is following open defect in the operation that is connected or separates and move into or shift out testing table of above-mentioned pressure chamber and base:
1, the flange form metal of pressure chamber connects the foundation ring and is connected and fixed mode with the bolt of base and makes both connection or lock out operation very loaded down with trivial details, particularly attended operation also requires the tightening degree of 3 bolts uniformity of trying one's best, otherwise will influence the sealing of pressure chamber and cause test failure.
2, existing pressure chamber structure has suitable weight, shifts out or move into not only effort but also have the hidden danger of falling damage of testing table.
Summary of the invention
The utility model is for being connected with base of solving that existing pressure chamber exists or lock out operation is loaded down with trivial details, the difficult control of sealing after connecting, shift out or move into that testing table is required great effort and unsafe technical matters and disclose a kind of suspension type pressure chamber of triaxial apparatus.
The utility model is taked following technical scheme for achieving the above object: this suspension type pressure chamber comprises portal frame, the axial force loading system, the lifting main shaft, the transparent stack shell of pressure chamber, be fixed in the end cap and the switch valve that is installed on end cap at transparent stack shell top, feature is, the pressure chamber is provided with the base that is fixed in testing table lifting main shaft, the periphery of described base is provided with the adapter sleeve on the inner edge of band that is threaded with it, this adapter sleeve is inner along three recesses that are provided with symmetrical distribution, the bottom of described transparent stack shell is fixed with and connects the foundation ring, the outer bead of this connection foundation ring be provided with adapter sleeve the inner along three three projectioies that recess is corresponding, with respect to base for screw under the rotary state its inner of adapter sleeve along the bottom surface be connected each raised surface of foundation ring and engage, connect between foundation ring and the pressure chamber's base and be provided with elastic seal ring, described end cap center fixation has the pilot seal cover, be provided with the pressure rod that the upper end is connected in the axial force loading system in the sealing cover, pressure rod and pilot seal cover are slidingly matched, pilot seal is arranged with the O-ring seal that acts on pressure rod, the both sides upright supports of described portal frame has the intermediate transverse girder that is positioned at axial force loading system below, intermediate transverse girder is fixed with the sleeve of hanging that is set in pressure rod, describedly hang two double wedges that the inboard of mouth at the bottom of the sleeve is provided with symmetry, the top of described pilot seal cover be provided with hang sleeve at the bottom of mouth embed the link plate that engages, this link plate is provided with and hangs the corresponding groove of two double wedges of mouth at the bottom of the sleeve, the groove of link plate pass through hang sleeve at the bottom of in the mouth double wedge under the condition of rotation pressure chamber the link plate bottom surface engage with the double wedge upper surface.
The utility model can also be taked following technical measures:
Described base is connected with testing table lifting spindle thread, is provided with in the radially screw of base one side to be engaged in the dog screw of lifting main spindle table over glaze to groove.
The interlude of described pressure rod is provided with reducing and tiltedly takes on, and the reducing tiltedly above pressure rod diameter of shoulder is tiltedly takeed on following pressure rod diameter less than reducing.
The described sleeve inboard of hanging is arranged with the pressure rod sliding joint and makes pressure rod positioning boss placed in the middle.
The described sleeve of hanging is threaded with the radially screw of intermediate transverse girder, hangs sleeve and is provided with the thread-locking ring that makes it to be stable at intermediate transverse girder.
The beneficial effects of the utility model are with advantage: be connected foundation ring and the base of the suspension type pressure chamber of this triaxial apparatus adopt the adapter sleeve that is threaded to be connected or to separate, and the connected mode that the more existing triaxial apparatus pressure chamber flange form connection of the rotary manipulation of adapter sleeve foundation ring and base adopt symmetrical bolt is simple and fast but also can guarantee that the pressure chamber is connected the homogeneity and the sealing of foundation ring and each orientation degree of engagement of base not only.The suspension type pressure chamber of this triaxial apparatus is that axle moves up and down with the pressure rod, when up the pilot seal cover of pressure chamber can with hang sleeve and hang and be connected, thereby changed the mode of operation that existing pressure chamber shifted out or moved into testing table, not only laborsaving also can avoid the pressure chamber shift out or migration process in take place fall the damage accident.The utlity model has rational in infrastructure, simple to operate, reduce labor intensity and help improving the outstanding advantage of test efficiency.
Description of drawings
Accompanying drawing 1 is the example structure synoptic diagram.
Accompanying drawing 2 is Figure 1A portion semi-section enlarged diagrams.
Accompanying drawing 3 is three recess synoptic diagram that adapter sleeve is symmetrically distributed.
Accompanying drawing 4 is to connect three bump diagrams that the foundation ring is symmetrically distributed.
Accompanying drawing 6 is that Fig. 5 A is to view.
Accompanying drawing 8 is link plate groove distribution schematic diagrams.
Accompanying drawing 9 is pressure chamber's structural representations when hanging state.
Reference numeral: 1 portal frame, 2 axial force loading systems, 3 hang sleeve, the 3-1 thread-locking ring, 3-2 double wedge, 3-3 positioning boss, 4 intermediate transverse girders, 5 pressure rods, the 5-1 reducing is tiltedly takeed on, 6 pilot seal covers, 6-1 link plate, 6-2 O-ring seal, the 6-3 groove, 7 end caps, 8 transparent stack shells, 9 connect foundation ring, 9-1 projection, 10 adapter sleeves, the inner edge of 10-1,10-2 recess, 11 bases, 11-1 wall pressure passage, the 11-2 elastic seal ring, 11-3 circular orientation boss, 12 lifting main shafts, the 12-1 axial notch, 13 dog screws.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
Embodiment as shown in Figure 1, 2, the pressure chamber of present embodiment comprise transparent stack shell 8, are fixed in the end cap 7 at transparent stack shell top, the bottom of the pilot seal cover 6 that the end cap center is threaded fixing, the switch valve (not shown) that is installed on end cap and transparent stack shell 8 is threaded and be fixedly coupled foundation ring 9.
The base 11 with above-mentioned pressure chamber is connected or separates of present embodiment is fixed in testing table lifting main shaft 12, and concrete connected mode is referring to Fig. 2.Among Fig. 2, base 11 is threaded with testing table lifting main shaft 12, is provided with in the radially screw of base 11 1 sides to be engaged in the dog screw 13 of lifting main spindle table over glaze to groove 12-1.This connected mode can guarantee that base 11 only does vertical displacement movement with the lifting main shaft and avoid its rotation.Structure in the base 11 is identical with existing base, only shows wall pressure passage 11-1 among Fig. 2.
As Fig. 1,2,3,4 illustrated embodiments, the periphery of base 11 is provided with band the inner of being threaded with it adapter sleeve 10 along 10-1, and this adapter sleeve is inner along three recess 10-2 that are provided with symmetrical distribution.The outer bead of the connection foundation ring 9 of pressure chamber be provided with adapter sleeve 10 the inners along three corresponding three protruding 9-1 of recess 10-2.Engage with the surface that is connected foundation ring 9 each protruding 9-1 for the bottom surface of adapter sleeve 10 its inners under the screw-in rotary state with respect to base along 10-1, connect between foundation ring and the pressure chamber's base and be provided with elastic seal ring 11-2, base 11 also is provided with and acts on the circular orientation boss 11-3 that connects the foundation ring, and elastic seal ring 11-2 is identical with the understructure of prior art with circular orientation boss 11-3.Realized connecting being connected and fixed of foundation ring and pressure chamber's base when rotateing in place when adapter sleeve 10 screws in, the screw-in of adapter sleeve 10 rotates and makes connection foundation ring 9 each one stressed evenly simultaneously, therefore can guarantee the sealing that the pressure chamber engages with base.
As Fig. 1,5,6 illustrated embodiments, the both sides upright supports of portal frame 1 has the intermediate transverse girder 4 that is positioned at axial force loading system 2 belows, the radially screw of intermediate transverse girder be threaded be fixed be set in pressure rod 5 hang sleeve 3, hang sleeve and be provided with the thread-locking ring 3-1 that makes it to be stable at intermediate transverse girder.
The inboard of hanging 3 end of sleeve mouth is provided with two double wedge 3-2 of symmetry, also is arranged with pressure rod 5 sliding joint and makes pressure rod positioning boss 3-3 placed in the middle.
As Fig. 1,7,8 illustrated embodiments, pilot seal is overlapped 6 screw threads and is fixed in end cap 7 centers, pressure rod 5 upper ends in the pilot seal cover are connected in axial force loading system 2, the lower end is goed deep in the pressure chamber, pressure rod 5 is slidingly matched with the pilot seal cover, and pilot seal is arranged with the O-ring seal 6-2 that acts on pressure rod.The top of pilot seal cover is provided with Fig. 5 and hangs the link plate 6-1 that the mouth embedding of 3 end of sleeve engages, this link plate is provided with the corresponding groove 6-3 of two double wedge 3-2 that hangs 3 end of sleeve mouth with Fig. 6, the groove 6-3 of link plate upwards pass through hang sleeve at the bottom of behind the mouth double wedge 3-2, the rotation pressure chamber makes link plate 6-1 bottom surface engage with double wedge 3-2 upper surface, and the pressure chamber of this moment is the state of hanging shown in Figure 9.
Pressure chamber among Fig. 9 comprises transparent stack shell 8, end cap 7, pilot seal cover 6, connection foundation ring 9 and is installed on the switch valve (not shown) of end cap.The pressure chamber is the soil property sample charge and discharge operations that can carry out when hanging state on the base.Any direction rotary steering sealing shroud also makes the groove 6-3 of link plate 6-1 pass through the double wedge 3-2 that hangs sleeve downwards, can make the link plate disengaging of pilot seal cover hang sleeve, and the pressure chamber will serve as to be advanced into duty under the axle with pressure rod 5.
As Fig. 1,9 illustrated embodiments, the interlude of pressure rod 5 is provided with reducing and tiltedly takes on 5-1, and the reducing tiltedly above pressure rod diameter of shoulder is tiltedly takeed on following pressure rod diameter less than reducing.When the pressure chamber when duty changes Fig. 9 into and hangs state, the reducing tiltedly above pressure rod of shoulder can reduce the pressure chamber and promotes resistance.When state-transition is hung when Fig. 1 duty from Fig. 9 by the pressure chamber, pilot seal cover 6 and O-ring seal thereof will tiltedly be takeed on 5-1 with the reducing of pressure rod 5 and contact and produce damping, play the effect that slows down pressure chamber's decline rate, the damage of avoiding pressure chamber's free-falling to cause.
Claims (5)
1. the suspension type pressure chamber of a triaxial apparatus, comprise portal frame, the axial force loading system, the lifting main shaft, the transparent stack shell of pressure chamber, be fixed in the end cap and the switch valve that is installed on end cap at transparent stack shell top, it is characterized in that: the pressure chamber is provided with the base that is fixed in testing table lifting main shaft, the periphery of described base is provided with the adapter sleeve on the inner edge of band that is threaded with it, this adapter sleeve is inner along three recesses that are provided with symmetrical distribution, the bottom of described transparent stack shell is fixed with and connects the foundation ring, the outer bead of this connection foundation ring be provided with adapter sleeve the inner along three three projectioies that recess is corresponding, with respect to base for screw under the rotary state its inner of adapter sleeve along the bottom surface be connected each raised surface of foundation ring and engage, connect between foundation ring and the pressure chamber's base and be provided with elastic seal ring, described end cap center fixation has the pilot seal cover, be provided with the pressure rod that the upper end is connected in the axial force loading system in the sealing cover, pressure rod and pilot seal cover are slidingly matched, pilot seal is arranged with the O-ring seal that acts on pressure rod, the both sides upright supports of described portal frame has the intermediate transverse girder that is positioned at axial force loading system below, intermediate transverse girder is fixed with the sleeve of hanging that is set in pressure rod, describedly hang two double wedges that the inboard of mouth at the bottom of the sleeve is provided with symmetry, the top of described pilot seal cover be provided with hang sleeve at the bottom of mouth embed the link plate that engages, this link plate is provided with and hangs the corresponding groove of two double wedges of mouth at the bottom of the sleeve, the groove of link plate pass through hang sleeve at the bottom of in the mouth double wedge under the condition of rotation pressure chamber the link plate bottom surface engage with the double wedge upper surface.
2. suspension type according to claim 1 pressure chamber is characterized in that: described base is connected with testing table lifting spindle thread, is provided with in the radially screw of base one side to be engaged in the dog screw of lifting main spindle table over glaze to groove.
3. suspension type according to claim 1 pressure chamber is characterized in that: the interlude of described pressure rod is provided with reducing and tiltedly takes on, and the reducing tiltedly above pressure rod diameter of shoulder is tiltedly takeed on following pressure rod diameter less than reducing.
4. suspension type according to claim 1 pressure chamber is characterized in that: the described sleeve inboard of hanging is arranged with the pressure rod sliding joint and makes pressure rod positioning boss placed in the middle.
5. suspension type according to claim 1 pressure chamber is characterized in that: the described sleeve of hanging is threaded with the radially screw of intermediate transverse girder, hangs sleeve and is provided with the thread-locking ring that makes it to be stable at intermediate transverse girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202730576U CN201754133U (en) | 2010-07-28 | 2010-07-28 | Hanging type pressure chamber of tri-axial apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202730576U CN201754133U (en) | 2010-07-28 | 2010-07-28 | Hanging type pressure chamber of tri-axial apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201754133U true CN201754133U (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202730576U Expired - Lifetime CN201754133U (en) | 2010-07-28 | 2010-07-28 | Hanging type pressure chamber of tri-axial apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201754133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936844A (en) * | 2010-07-28 | 2011-01-05 | 铁道第三勘察设计院集团有限公司 | Triaxial suspended pressure chamber |
-
2010
- 2010-07-28 CN CN2010202730576U patent/CN201754133U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936844A (en) * | 2010-07-28 | 2011-01-05 | 铁道第三勘察设计院集团有限公司 | Triaxial suspended pressure chamber |
| CN101936844B (en) * | 2010-07-28 | 2012-08-01 | 铁道第三勘察设计院集团有限公司 | Triaxial suspended pressure chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110302 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |