CN205826405U - A kind of triaxial apparatus pressure chamber sliding positioner - Google Patents

Abstract

nullThe utility model discloses a kind of triaxial apparatus pressure chamber sliding positioner，By putting slideway in pressure chamber base upper end，The pressure chamber base lower end being provided with pressure chamber in upper end arranges the pressure chamber seat connection post being placed in slideway，The pressure chamber base being provided with pressure chamber seat connection post is placed on pressure chamber base upper end，Connect post by pressure chamber seat and easily whole pressure chamber and pressure chamber seat can be carried out sliding with pressure chamber bottom slide track，At pressure chamber base upper end fixed load charger，Load charger can be made to be accurately positioned，This not only can reduce the pressure chamber damage to other member impacts and the injury to people，Can also ensure disposably to ensure to allow piston tube accurately be directed at axle load charger，Thus eliminate the trouble being repeatedly directed at and avoid piston tube and axle load charger misalignment and cause test specimen premature degradation think that factor affects，This device has and facilitates sliding、The precisely function of fixation pressure room position base.

Description

A pushing-sliding positioning device for a pressure chamber of a triaxial instrument

technical field

The utility model relates to an unsaturated soil stress-strain control type triaxial instrument pressure chamber pushing and sliding positioning device, in particular to a triaxial instrument pressure chamber pushing and sliding positioning device.

Background technique

At present, the pressure chamber and base device of the unsaturated soil stress-strain controlled triaxial instrument mainly consists of a piston sleeve, a pressure chamber cover, a pressure chamber inside and outside, a chamber seat, a pressure chamber seat, a pressure chamber base, a fixed steel column, a fixed bolt and a connection. tube etc. The top and bottom of the pressure chamber are made of steel plates, and its surroundings are fixed by four steel columns. The inner and outer pressure chambers are made of tempered glass, and the weight is very heavy. It is pushed under the axial load, because it is close to other components, when pushing the pressure chamber, if it deviates from the axial load loading device, it will easily cause collision and personal injury; because there is no device for accurately fixing the seat of the pressure chamber, it needs to move back and forth before the experiment The base of the pressure chamber should be aligned with the upper axle load loading device. When the alignment between the piston tube and the axle load is inaccurate, loading the axle load will easily cause the test specimen to be damaged in advance. To sum up, this kind of device has the problem of inaccurate alignment in actual use, and it is difficult to meet the requirement of minimizing human error during the test.

Utility model content

The purpose of the utility model is to provide a sliding positioning device for a pressure chamber of a triaxial instrument. The device of the utility model has the functions of convenient sliding and accurately fixing the position of the base of the pressure chamber.

In order to achieve the above object, the utility model adopts the following technical solutions:

A push-sliding positioning device for a pressure chamber of a triaxial instrument, comprising a pressure chamber base, a slideway is provided at the upper end of the pressure chamber base, a pressure chamber seat is placed at the upper end of the pressure chamber base, and a pressure chamber for placing in the slideway is provided at the lower end of the pressure chamber seat The seat is connected to the column. The upper end of the pressure chamber seat is fixed with a pressure chamber. The inside of the pressure chamber is used to place the test piece. The upper end of the pressure chamber is provided with a piston tube. The lower end of the piston tube is in contact with the test piece. The upper end of the pressure chamber is fixed with a load through a fixed bracket Device, the loading punch of the load loading device is on the same axis as the piston tube and the test piece.

Further, the slideway is arranged in the middle of the base of the pressure chamber, the slideway head of the slideway is a circular arc surface, and the slideway end of the slideway is a straight surface.

Further, the connecting column of the pressure chamber seat is rigidly connected with the pressure chamber seat, and the lower end of the connecting column of the pressure chamber seat is semicircular.

Furthermore, the lower end of the pressure chamber is provided with a chamber seat fixedly connected with the pressure chamber seat.

Further, the bottom of the chamber seat is provided with a groove matching the shape of the upper end of the pressure chamber seat, and the groove at the lower end of the chamber seat is snapped onto the upper end of the pressure chamber seat.

Furthermore, the lower end of the fixing bracket is fixedly connected with the base of the pressure chamber through a nut.

Furthermore, the depth of the slideway is greater than the length of the connecting column of the pressure chamber seat.

Further, an axial pressure controller is fixed on one side of the fixed bracket.

Further, a pressure chamber seat fixing device is also provided on the pressure chamber base.

Further, the fixing device of the pressure chamber seat includes fixing nuts fixed on both sides of the slideway of the pressure chamber base, and the fixing nuts are provided with screw rods.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model is a push-sliding positioning device for a pressure chamber of a triaxial instrument. A slideway is placed at the upper end of the pressure chamber base, and a pressure chamber seat connecting column placed in the slideway is arranged at the lower end of the pressure chamber base with a pressure chamber at the upper end. The pressure chamber base with the pressure chamber base connecting column is placed on the upper end of the pressure chamber base, the entire pressure chamber and the pressure chamber base can be easily slid through the pressure chamber base connecting column and the slideway at the bottom of the pressure chamber, and the load is fixed on the upper end of the pressure chamber base The loading device can make the load loading device accurately positioned, which can not only reduce the damage of the pressure chamber to other components and the injury to people, but also ensure the precise alignment of the piston tube and the shaft load loading device at one time, so as to avoid Eliminates the trouble of repeated alignment and avoids the influence of factors that cause early damage to the specimen due to misalignment between the piston tube and the shaft load loading device. This device has the functions of convenient sliding and precise fixing of the position of the pressure chamber base.

Further, the pressure chamber base is also provided with a pressure chamber seat fixing device, and when the pressure chamber seat reaches the pressure position, the pressure chamber seat can be fixed by the fixing device to prevent sliding during loading.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model.

Fig. 2 is an enlarged schematic diagram of the partial structure of the pressure chamber seat and the pressure chamber base of the utility model.

Figure 3 is a side view of the slideway.

Figure 4 is a top view of the slideway.

Figure 5 is a bottom view of the pressure chamber seat.

In the figure: 1. Load loading device, 2. Piston tube, 3. Pressure chamber, 4. Test piece, 5. Chamber seat, 6. Pressure chamber seat, 7. Pressure chamber seat connecting column, 8. Pressure chamber base, 9. The end of the slideway, 10. The head of the slideway, 11. The slideway; 12. The fixed bracket; 13. The axial pressure controller; 14. The fixed nut; 15. The screw.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail:

As shown in Figures 1 to 5, a triaxial pressure chamber push-slide positioning device includes a pressure chamber base 8, a slideway 11 is provided at the upper end of the pressure chamber base 8, and the slideway 11 is arranged at the middle position of the pressure chamber base 8, The slideway head 10 of the slideway 11 is a circular arc surface, the slideway end 9 of the slideway 11 is a straight face, the upper end of the pressure chamber base 8 is placed with a pressure chamber seat 6 , and the lower end of the pressure chamber seat 6 is provided for placing in the slideway 11. The pressure chamber seat connecting column 7, the pressure chamber seat connecting column 7 is rigidly connected with the pressure chamber seat 6, the lower end of the pressure chamber seat connecting column 7 is a semicircle, the pressure chamber seat 6 upper end is fixed with a pressure chamber 3, and the inside of the pressure chamber 3 is used Place the piece to be tested 4, wherein the lower end of the pressure chamber 3 is provided with a chamber seat 5 fixedly connected with the pressure chamber seat 6, the bottom of the chamber seat 5 is provided with a groove matching the shape of the upper end of the pressure chamber seat 6, and the recess at the lower end of the chamber seat 5 The groove is buckled on the upper end of the pressure chamber seat 6; the upper end of the chamber seat 5 is used to place the test piece 4, the upper end of the pressure chamber 3 is provided with a piston tube 2, the lower end of the piston tube 2 is in contact with the test piece 4, and the upper end of the pressure chamber 3 passes through the fixed bracket 12 is fixed with a load loading device 1; when the pressure chamber seat 6 is at one end of the slideway 11, the loading punch of the load loading device 1 is on the same axis as the piston tube 2 and the test piece 4; wherein the lower end of the fixed bracket 12 is passed through a nut It is fixedly connected with the pressure chamber base 8; the depth of the slideway 11 is greater than the length of the pressure chamber seat connecting column 7; the side of the fixed bracket 12 is fixed with an axial pressure controller 13, and the pressure chamber base 8 is also equipped with a pressure chamber seat fixing device , the pressure chamber seat fixing device includes fixed nuts 14 fixed on both sides of the slideway 11 of the pressure chamber base 8, and the fixed nut 14 is provided with a screw rod 15. When the pressure chamber seat 6 slides to the end of the slideway 9, when the test piece When the piston rod and the load loading device are on the same vertical line, the pressure chamber seat is fixed by rotating the screw rod 15 to prevent sliding in the slideway.

Below in conjunction with accompanying drawing, structural principle of the present utility model and operation steps are further described:

First raise the load loading device 1 to a certain height, then directly slide the pressure chamber 3 and the pressure chamber seat 6 along the slideway 11 to the head 10 of the slideway, and after putting the test piece 4 into the chamber seat 5, put the entire pressure chamber The chamber and the sample are directly pushed to the end of the slideway 9 along the slideway, and the pressure chamber seat 6 is fixed by the fixing device. At this time, the piston tube and the load are directly aligned, and after alignment, the related switch button is operated, and the relevant experiment can be carried out.

Claims (10)

1. a triaxial apparatus pressure chamber sliding positioner, it is characterised in that include pressure chamber base (8), pressure chamber base (8) Upper end is provided with slideway (11), and pressure chamber base (8) upper ends has pressure chamber seat (6), pressure chamber seat (6) lower end to be provided with for putting Putting the pressure chamber seat in slideway (11) and connect post (7), pressure chamber seat (6) upper end is fixed with pressure chamber (3), in pressure chamber (3) Portion is used for placing test specimen to be measured (4), and pressure chamber (3) upper end is provided with piston tube (2), and piston tube (2) lower end connects with test specimen to be measured (4) Touching, pressure chamber (3) upper end is fixed with load charger (1) by fixed support (12), the loading punching of load charger (1) Head and piston tube (2) and test specimen to be measured (4) are on the same axis.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that slideway (11) is arranged In pressure chamber base (8) centre position, the slideway stem (10) of slideway (11) is arc surface, the slideway end (9) of slideway (11) For facing directly.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that pressure chamber seat connects Post (7) is rigidly connected with pressure chamber seat (6), and it is semicircle that pressure chamber seat connects post (7) lower end.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that wherein pressure chamber (3) lower end is provided with the room seat (5) that be connected fixing with pressure chamber seat (6).

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 4, it is characterised in that room seat (5) bottom Being provided with and the groove of pressure chamber seat (6) upper end matching form, the groove of room seat (5) lower end is buckled in pressure chamber seat (6) upper end.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that wherein fixed support (12) lower end is connected by nut and pressure chamber base (8) are fixing.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that its middle slideway (11) The degree of depth more than pressure chamber seat connect post (7) length.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that fixed support (12) Side is fixed with axial compression controller (13).

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 1, it is characterised in that pressure chamber base (8) pressure chamber seat fixing device it is additionally provided with on.

A kind of triaxial apparatus pressure chamber sliding positioner the most according to claim 9, it is characterised in that pressure chamber seat is solid Determining device and include being fixed on the hold-doun nut (14) on pressure chamber base (8) slideway (11) both sides, hold-doun nut is provided with spiral shell in (14) Bar (15).