CN201754134U - Bidirectional-displacement adjustable detecting mechanism of tri-axial apparatus - Google Patents
Bidirectional-displacement adjustable detecting mechanism of tri-axial apparatus Download PDFInfo
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- CN201754134U CN201754134U CN2010202730472U CN201020273047U CN201754134U CN 201754134 U CN201754134 U CN 201754134U CN 2010202730472 U CN2010202730472 U CN 2010202730472U CN 201020273047 U CN201020273047 U CN 201020273047U CN 201754134 U CN201754134 U CN 201754134U
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Abstract
The utility model relates to a bidirectional-displacement adjustable detecting mechanism of a tri-axial apparatus. An upright post at one side of a portal frame is provided with a height-adjustable displacement sensor bracket which consists of a plane position selecting plate aiming at a displacement sensor, a distance adjusting plate and a detecting direction adjusting plate; the plane position selecting plate and the distance adjusting plate are connected by a vertical stud and a nut shaft; the distance adjusting plate is provided with a damping and positioning structure; the corresponding end parts of the distance adjusting plate and the detecting direction adjusting plate are respectively provided with not only a positioning mandrel and a core hole which can lead the distance adjusting plate and the detecting direction adjusting plate to be butt-jointed in opening and closing, but also a horizontal positioning groove and a bulge which can keep the detecting direction adjusting plate and the distance adjusting plate to be horizontally butt-jointed; the positioning mandrel is sheathed with a return spring acting on the detecting direction adjusting plate, and a vertical pressurizing rod is provided with an upper position indicating plate. The bidirectional-displacement adjustable detecting mechanism increases the using functions and widens the application range of the present tri-axial apparatus, and has the prominent advantages of conveniently carrying out vertical reversion and adjusting the vertical height as well as horizontal position of the displacement sensor without any tool.
Description
Technical field
The utility model belongs to the geotechnical mechanics test apparatus, particularly relates to a kind of bidirectional displacement adjusted testing agency of triaxial apparatus.
Background technology
Triaxial compression test is a kind of common method of measuring the shearing strength of soil, usually be installed in the triaxial cell one by one with three to four cylindrical samples, applying axial force under the constant wall pressure effect of difference compresses (shearing) and makes sample produce distortion until destruction, to measure a kind of mechanical test project of its shearing strength, axial displacement is a main test parameters in the middle of the triaxial test.
The primary structure of displacement detecting comprise the vertical pressure rod that is installed under the dynamometry steel loop and horizontal support, by the jackscrew tightening in the displacement transducer of horizontal support annular ledge, be fixed in the location mark plate on top cover surface, triaxial cell and support pressure chamber's lifting main shaft of triaxial cell.The gauge head of displacement transducer contacts with the location mark plate.
When detecting axial displacement, vertical pressure rod engages and the position relative fixed with the soil body sample top of triaxial cell by adding pressure cap, and triaxial cell and sample be with the rising of pressure chamber's lifting main shaft, and soil body sample is stressed and be compressed distortion until destruction.The axial displacement of lifting main shaft in pressure chamber's in the compression test process detected and is converted to electric signal by the location mark plate by displacement transducer.
From above-mentioned compression test process as can be seen, existing axial displacement detection basic structure loading direction of its axial force for soil body sample is from bottom to top.If change the loading direction of axial force, promptly soil body sample is imposed top-down axial force and carry out displacement detecting by vertical pressure rod, the displacement transducer detection side of then above-mentioned displacement detecting machine structure is to obviously not adapting to.
Summary of the invention
The utility model is for the displacement transducer direction that solves the axial displacement testing agency that has triaxial apparatus now can not adapt to the technical matters that top-down axial force is carried out compression test, and discloses a kind of bidirectional displacement adjusted testing agency of triaxial apparatus.
The utility model is taked following technical scheme for achieving the above object: the bidirectional displacement the adjusted testing agency of this triaxial apparatus comprises the triaxial apparatus portal frame, vertical pressure rod, pressure chamber and lifting main shaft thereof, displacement transducer and the location mark plate that is fixed in top cover surface, pressure chamber, feature is, portal frame one heel post is provided with the adjustable displacement sensor bracket of high and low position, described displacement sensor bracket is by the planimetric position option board at displacement transducer, distance adjusts plate and the detection side connects and composes successively to adjusting plate, described planimetric position option board is set in portal frame one heel post and is that the axle horizontal direction is rotated with this column, and described detection side is to adjusting the displacement transducer that plate is fixed with the vertical state; Described planimetric position option board is adjusted the corresponding end of plate with distance and is respectively equipped with the vertical stud of back shaft connection and the convex and the spill axle bed of nut, convex and spill axle bed are provided with the damping location structure that distance is adjusted plate, described distance is adjusted plate and is engaged to adjusting the corresponding end butt joint of plate with the detection side, the both ends that butt joint engages are provided with locator mandrel and heart hole, location respectively, also be respectively equipped with and keep the detection side to adjust horizontal location groove and the horizontal location projection that plate level docks joint with distance to adjusting plate, locator mandrel is set with and acts on the detection side to adjusting the back-moving spring that plate makes it end and distance adjustment plate end fluid-tight engagement, and the upper end of described vertical pressure rod is provided with the position dial plate.
The utility model can also be taked following technical measures:
Described displacement sensor bracket high and low position adjusting mechanism reaches the adjustment swivel nut, compression spring and the compression spring locating piece that are threaded with it by the external thread bearing and constitutes, the external thread bearing is set in portal frame one heel post and is provided with and makes it the jackscrew of tightening in column, the planimetric position option board that is set in the displacement sensor bracket of column is supported in the adjustment swivel nut, compression spring is set in column and is supported in the planimetric position option board, and the compression spring upper end engages with the compression spring locating piece of tightening in column.
Described planimetric position option board is provided with the convex axle bed, distance is adjusted plate and is provided with the spill axle bed that is connected mutually with planimetric position option board convex axle bed, the upper and lower side of planimetric position option board convex axle bed axis hole is along the locating slot that is respectively equipped with spring washer, and the spring washer in each locating slot engages and constitute the damping location structure of distance adjustment plate respectively with a corresponding surface of distance adjustment plate spill axle bed.
Described detection side is provided with the fixed displacement sensor and makes it to the groove of vertical state and be anchored on the buckle of groove bead to the end of adjusting plate.
The beneficial effects of the utility model and advantage are: in this bidirectional displacement testing agency by the planimetric position option board, distance adjustment plate and detection side are to adjusting the displacement sensor bracket that plate constitutes, make this support have following function, planimetric position option board and distance are adjusted plate and can be carried out respectively moving around axial plane, two plates match and can adjust the planimetric position of displacement transducer, this adjustment can be satisfied this mechanism, and (a kind of is to wait strain because of the loading mode, another kind is an equal stress) need to change the condition of work of displacement transducer planimetric position with the different of loading system, and then can guarantee the needs that two kinds of loading modes accurately detect.Distance is adjusted plate and is had the damping location structure that is made of spring washer and locating slot thereof, adjustment by vertical stud and nut can make spring washer have suitable tension force, this tension force can guarantee can carry out under not by the situation of any instrument apart from the adjustment of adjusting the plate level position, also can satisfy the relative fixed of adjusting distance adjustment plate level position, back.The detection side is that axle is rotated motion with the locator mandrel to adjusting plate, this restriction detection side that rotatablely moves under the effect of trapezoidal detent and projection can only stop or being positioned horizontal level to adjusting plate, promptly displacement transducer under the condition that guarantees its verticality be with the locator mandrel axle be detection side up or down to adjustment.When the detection side of displacement transducer when being adjusted into upwards, under the cooperation of last position dial plate, can carry out the displacement detecting of axial force from top to bottom to soil body sample.Make the detection side to the function of adjusting the plate axial location and resetting because locator mandrel and back-moving spring thereof have, so the detection side is finishing of can linking up under not by the situation of any instrument to adjusting plate adjusts plate with respect to distance folding with rotatablely moving.The utility model has changed existing triaxial apparatus can only carry out the present situation that monodisplacement detects to soil body sample on a fixing planimetric position and a vertical direction, the functions of use and the range of application of existing triaxial apparatus have been enlarged, have simple to operately, can carry out the outstanding advantage that vertical commutation, vertical height and the level orientation of displacement transducer are adjusted under not by the situation of any instrument easily.
Description of drawings
Accompanying drawing 1 is the example structure synoptic diagram.
Accompanying drawing 3 is Fig. 2 diagrammatic cross-sections.
Accompanying drawing 4 is that Fig. 2 A is to view.
Accompanying drawing 5 is displacement sensor bracket functional schematics.
Accompanying drawing 6 is that displacement transducer changes the detection side to synoptic diagram.
Mark among the figure: 1 left side column, 2 compression spring locating pieces, 3 compression springs, 4 planimetric position option boards, 5 adjust swivel nut, 6 external thread bearings, the 6-1 jackscrew, 7 pressure chambers, 8 lifting main shafts, 9 location mark plates, 10 displacement transducers, 11 detection sides are to adjusting plate, the 11-1 buckle, 11-2 locator mandrel, 11-3 set nut, 11-4 horizontal location groove, 12 distances are adjusted plate, heart hole, 12-1 location, 12-2 horizontal location projection, 13 vertical bolts, the 13-1 nut, 13-2 spring washer, position dial plate on 14,15 vertical pressure rods, 16 back-moving springs.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
Embodiment as shown in Figure 1, originally can adjust bidirectional displacement testing agency is to having a kind of improvement of triaxial apparatus displacement detecting mechanism now, comprise triaxial apparatus portal frame, vertical pressure rod 15, pressure chamber 7 and lifting main shaft 8 thereof, displacement transducer 10 and be fixed in the location mark plate 9 on top cover surface, pressure chamber.Displacement transducer 10 detection sides among Fig. 1 change to the lifting that is adapted to from lifting main shaft 8.
Of the present utility model being characterized by: the left side column 1 of portal frame is provided with adjustable displacement sensor bracket of high and low position and the last position dial plate 14 that is arranged at vertical pressure rod 15 upper ends.
Shown in Fig. 2,3,4, displacement sensor bracket is connected and composed to adjusting plate 11 successively by planimetric position option board 4, distance adjustment plate 12 and the detection side at displacement transducer 10.Its median-plane location option board 4 is set in portal frame shown in Figure 1 left side column 1 and is that the axle horizontal direction is rotated with this column, and the detection side is to adjusting the fixedly displacement transducer 10 of vertical state of groove that plate 11 is provided with by the end and the buckle 11-1 that is anchored on the groove bead.
Planimetric position option board 4 and distance are adjusted plate 12 corresponding ends and are respectively equipped with vertical stud 13 that back shaft connects and the axle bed of nut 13-1, be that planimetric position option board 4 is provided with the convex axle bed, distance is adjusted plate 12 and is provided with the spill axle bed that is complementary with planimetric position option board convex axle bed.The upper and lower side of planimetric position option board 4 convex axle bed axis holes is along the locating slot that is respectively equipped with spring washer 13-2, and the spring washer 13-2 in each locating slot engages and constitute the damping location structure of distance adjustment plate respectively with a corresponding surface of distance adjustment plate 12 spill axle beds.
Distance is adjusted plate 12 and detection side and is engaged to adjusting plate 11 corresponding end butt joints, and distance is adjusted plate 12 and is provided with location heart hole 12-1, and the detection side is provided with locator mandrel 11-2 to adjustment plate 11.The locator mandrel 11-2 of embodiment uses the single head double-screw bolt, and its thread end is threaded to the axial screw of adjusting plate with the detection side, and in the end of single head double-screw bolt set nut 11-3 is set.Locator mandrel 11-2 among the heart hole 12-1 of location is set with and acts on the detection side to adjusting the back-moving spring 16 that plate makes it the end and combines closely apart from adjustment plate end, an end that is back-moving spring 16 is stopped at the positive stop lug boss that location heart hole 12-1 is provided with, and the other end of back-moving spring 16 is stopped at the nut of single head double-screw bolt.
As shown in Figure 4, for keep the detection side to adjust plate 11 and distance adjustment plate 12 all the time level dock joint, to the end that 11 butt joints of adjustment plate engage horizontal location groove 11-4 is set the detection side, adjusts plate 12 in distance and dock the horizontal location projection 12-2 that the end is provided with and horizontal location groove 11-4 is connected mutually that engages.Being shaped as of the horizontal location groove 11-4 of embodiment and horizontal location projection 12-2 is symmetrical trapezoidal.
Shown in Fig. 5,6, change displacement transducer 10 detection sides to the time, the detection side will press any one party of four-headed arrow i among Fig. 5 to rotation around locator mandrel 11-2 to adjusting plate 11, this moment horizontal location groove 11-4 will contact with the corner angle of horizontal location projection 12-2 symmetry and by tight linking status transition to state that can Rotate 180 °, and behind Rotate 180 ° immediately automatically engagement become tight linking state, make the displacement transducer 10 after the commutation can continue to keep vertical.Displacement transducer 10 its gauge heads after the commutation will contact with last position dial plate 14.
Below referring to Fig. 1 the high and low position adjusting mechanism of displacement sensor bracket is described.
As shown in Figure 1, the high and low position adjusting mechanism of displacement sensor bracket is made of external thread bearing 6 and the adjustment swivel nut 5, compression spring 3 and the compression spring locating piece 2 that are threaded with it.
External thread bearing 6 among the embodiment and compression spring locating piece 2 can have the basic high and low position of determining displacement sensor bracket under the situation of suitable pressure at compression spring, generally should make the mid point of displacement sensor bracket between top offset dial plate 14 and displacement dial plate 9.Adjust swivel nut 5 and can realize the accurate adjustment of sensor leading zero's.
Claims (4)
1. the bidirectional displacement adjusted of triaxial apparatus testing agency, comprise the triaxial apparatus portal frame, vertical pressure rod, pressure chamber and lifting main shaft thereof, displacement transducer and the location mark plate that is fixed in top cover surface, pressure chamber, it is characterized in that: portal frame one heel post is provided with the adjustable displacement sensor bracket of high and low position, described displacement sensor bracket is by the planimetric position option board at displacement transducer, distance adjusts plate and the detection side connects and composes successively to adjusting plate, described planimetric position option board is set in portal frame one heel post and is that the axle horizontal direction is rotated with this column, and described detection side is to adjusting the displacement transducer that plate is fixed with the vertical state; Described planimetric position option board is adjusted the corresponding end of plate with distance and is respectively equipped with the vertical stud of back shaft connection and the convex and the spill axle bed of nut, convex and spill axle bed are provided with the damping location structure that distance is adjusted plate, described distance is adjusted plate and is engaged to adjusting the corresponding end butt joint of plate with the detection side, the both ends that butt joint engages are provided with locator mandrel and heart hole, location respectively, also be respectively equipped with and keep the detection side to adjust horizontal location groove and the horizontal location projection that plate level docks joint with distance to adjusting plate, locator mandrel is set with and acts on the detection side to adjusting the back-moving spring that plate makes it end and distance adjustment plate end fluid-tight engagement, and the upper end of described vertical pressure rod is provided with the position dial plate.
2. the bidirectional displacement testing agency that adjusts according to claim 1, it is characterized in that: described displacement sensor bracket high and low position adjusting mechanism is reached the adjustment swivel nut that is threaded with it by the external thread bearing, compression spring and compression spring locating piece constitute, the external thread bearing is set in portal frame one heel post and is provided with and makes it the jackscrew of tightening in column, the planimetric position option board that is set in the displacement sensor bracket of column is supported in the adjustment swivel nut, compression spring is set in column and is supported in the planimetric position option board, and the compression spring upper end engages with the compression spring locating piece of tightening in column.
3. the bidirectional displacement testing agency that adjusts according to claim 1, it is characterized in that: described planimetric position option board is provided with the convex axle bed, distance is adjusted plate and is provided with the spill axle bed that is complementary with planimetric position option board convex axle bed, the upper and lower side of planimetric position option board convex axle bed axis hole is along the locating slot that is respectively equipped with spring washer, and the spring washer in each locating slot engages and constitute the damping location structure of distance adjustment plate respectively with a corresponding surface of distance adjustment plate spill axle bed.
4. the bidirectional displacement testing agency that adjusts according to claim 1 is characterized in that: described detection side is provided with the fixed displacement sensor and makes it to the groove of vertical state and be anchored on the buckle of groove bead to the end of adjusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202730472U CN201754134U (en) | 2010-07-28 | 2010-07-28 | Bidirectional-displacement adjustable detecting mechanism of tri-axial apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202730472U CN201754134U (en) | 2010-07-28 | 2010-07-28 | Bidirectional-displacement adjustable detecting mechanism of tri-axial apparatus |
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| Publication Number | Publication Date |
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| CN201754134U true CN201754134U (en) | 2011-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202730472U Expired - Lifetime CN201754134U (en) | 2010-07-28 | 2010-07-28 | Bidirectional-displacement adjustable detecting mechanism of tri-axial apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936847A (en) * | 2010-07-28 | 2011-01-05 | 铁道第三勘察设计院集团有限公司 | Adjustable bidirectional displacement detection mechanism for triaxial apparatus |
| CN102830060A (en) * | 2012-08-23 | 2012-12-19 | 铁道第三勘察设计院集团有限公司 | Multifunctional rock expansion tester |
| CN103267690A (en) * | 2013-05-10 | 2013-08-28 | 青岛科技大学 | Double-swing-rod impact testing machine |
| CN103267691A (en) * | 2013-06-07 | 2013-08-28 | 青岛科技大学 | Damp-adjustable dual-oscillating-bar impact testing machine |
| CN104121886A (en) * | 2013-04-24 | 2014-10-29 | 株式会社拓普康 | Distance meter |
| CN108007408A (en) * | 2017-12-28 | 2018-05-08 | 广西玉柴机器股份有限公司 | A kind of fuel injector height measuring device of adjust automatically |
-
2010
- 2010-07-28 CN CN2010202730472U patent/CN201754134U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936847A (en) * | 2010-07-28 | 2011-01-05 | 铁道第三勘察设计院集团有限公司 | Adjustable bidirectional displacement detection mechanism for triaxial apparatus |
| CN102830060A (en) * | 2012-08-23 | 2012-12-19 | 铁道第三勘察设计院集团有限公司 | Multifunctional rock expansion tester |
| CN102830060B (en) * | 2012-08-23 | 2015-07-22 | 铁道第三勘察设计院集团有限公司 | Multifunctional rock expansion tester |
| CN104121886A (en) * | 2013-04-24 | 2014-10-29 | 株式会社拓普康 | Distance meter |
| CN103267690A (en) * | 2013-05-10 | 2013-08-28 | 青岛科技大学 | Double-swing-rod impact testing machine |
| CN103267691A (en) * | 2013-06-07 | 2013-08-28 | 青岛科技大学 | Damp-adjustable dual-oscillating-bar impact testing machine |
| CN108007408A (en) * | 2017-12-28 | 2018-05-08 | 广西玉柴机器股份有限公司 | A kind of fuel injector height measuring device of adjust automatically |
| CN108007408B (en) * | 2017-12-28 | 2023-10-27 | 广西玉柴机器股份有限公司 | Automatic injector height measuring device of adjustment |
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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: 20120627 |