CN202339304U

CN202339304U - Adjustable geotechnique modulus of resilience experimental device

Info

Publication number: CN202339304U
Application number: CN2011205327967U
Authority: CN
Inventors: 韩春鹏; 何东坡; 程培峰; 金磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-19
Filing date: 2011-12-19
Publication date: 2012-07-18
Anticipated expiration: 2021-12-19

Abstract

The utility model discloses an adjustable geotechnique modulus of resilience experimental device, which relates to a geotechnique modulus of resilience experimental device. The adjustable geotechnique modulus of resilience experimental device aims at solving the problems that a conventional geotechnique modulus of resilience experimental device cannot guarantee a complete confining stress, a bearing plate is not easy to be aligned with the center of the upper surface of a test piece and the position of a dial indicator is fussy to adjust. A testing barrel of the adjustable geotechnique modulus of resilience experimental device is formed by enclosing two half barrels; one joint of the two half barrels has a hinging structure; the other joint of the two half barrels is connected through an adjustable fastening device positioned and fixedly arranged on the outer walls of the two half barrels; one end of a connecting rod is fixedly arranged on a hinging shaft of the two half barrels; the other end of the connecting rod is fixedly arranged at the outer side of a limiting ring; a plane where the limiting ring is positioned is parallel to a plane where the upper end of the testing barrel is positioned; two dial indicator fixing brackets are fixedly arranged on the outer walls of the two half barrels respectively; further, the two dial indicator fixing brackets are symmetrical along the axle wire of the testing barrel; dial indicators are fixedly arranged on the dial indicator fixing brackets; and further, the dial indicators are positioned above the testing barrel. The adjustable geotechnique modulus of resilience experimental device is suitable to be used in a geotechnique modulus of resilience experiment.

Description

Adjustable geotechnological modulus of resilience experimental provision

Technical field

The utility model relates to a kind of geotechnological modulus of resilience experimental provision.

Background technology

There is following shortcoming in existing geotechnological modulus of resilience experimental provision: 1, because after the test specimen demoulding; Under the certain environment conditioning (like freeze thawing, drying and watering cycle effect); The subtle change that diameter can increase or dwindle; The test specimen of can't directly packing into after increasing then can not guarantee complete lateral confinement when dwindling; 2, bearing plate is difficult for aligning test specimen upper surface center; 3, the clock gauge adjustment is loaded down with trivial details.

Summary of the invention

The utility model is in order to solve existing geotechnological modulus of resilience experimental provision after the test specimen demoulding; When reinstalling die trial after the effect of experience external environment; Can not guarantee complete lateral confinement; Bearing plate is difficult for aligning test specimen upper surface center during test, and the loaded down with trivial details problem of clock gauge position adjustment, thereby a kind of adjustable geotechnological modulus of resilience experimental provision is provided.

Adjustable geotechnological modulus of resilience experimental provision; It comprises examination tube, adjustable fastener, two clock gauge fixed supports, connecting link, spacing ring and two clock gauges; Said examination tube surrounds by two and half, and said two and half junction is an articulated structure; Another said two and half junction is for connecting through being positioned at the adjustable fastener that is fixed on this two and half drum outer wall; One end of connecting link is fixed on two and half the cardan axle, and the other end of connecting link is fixed on the outside of spacing ring; Plane, said spacing ring place and place, examination tube upper end plane parallel; Two clock gauge fixed supports are separately fixed on two and half the outer wall, and said two clock gauge fixed supports are along the axis symmetry of examination tube; Two clock gauges are separately fixed on two clock gauge fixed supports, and said two clock gauges all are positioned at the top of examination tube; Adjustable fastener; Form by two fixed blocks and bolt; Said two fixed blocks are separately fixed on two and half the lateral wall; And at least one fixed block is provided with the through hole that has internal thread, and bolt passes two through holes on the fixed block simultaneously, and is connected with screwed through hole whorl.

Each clock gauge fixed support includes a fixed bar, No. two fixed bars and No. three fixed bars, and No. one fixed bar is parallel with the upper surface of examination tube; One end of a said fixed bar is fixed on one and half the outer wall, and No. two fixed bar is vertical with a fixed bar; And an end of No. two fixed bars and a fixed bar are slidingly connected; No. three fixed bar is parallel with a fixed bar, and an end of No. three fixed bars is fixed on the other end of No. two fixed bars.

It also comprises cushion block, and said cushion block is fixed on the bottom of one and half madial walls in two and half.

The quantity of adjustable fastener is N, and said N adjustable fastener is distributed on two and half half drum outer wall of another junction, and N is a positive integer.

Beneficial effect: the utility model is through an adjustable fastener adjustment examination tube internal diameter, it can be packed into be positioned at its inner test specimen and examination socket joint and touch closelyr, realizes complete sidewise restraint; The utility model adopts spacing ring, makes bearing plate can accurately align the upper surface center; The utility model adopts the clock gauge fixed support, and the clock gauge position is easy to adjust, quick.

Description of drawings

Fig. 1 is the structural representation of the utility model; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the support bracket fastened structural representation of clock gauge in the utility model; Fig. 4 is the structural representation of the utility model embodiment three.

Embodiment

Embodiment one, combination Fig. 1 to Fig. 3 explain this concrete mode; Adjustable geotechnological modulus of resilience experimental provision; It comprises examination tube 1, adjustable fastener 2, two clock gauge fixed supports 3, connecting link 4, spacing ring 5 and two clock gauges 6; Said examination tube 1 surrounds by two and half, and said two and half junction is an articulated structure; Another said two and half junction is for connecting through being positioned at the adjustable fastener 2 that is fixed on this two and half drum outer wall; One end of connecting link 4 is fixed on two and half the cardan axle, and the other end of connecting link 4 is fixed on the outside of spacing ring 5; Plane, said spacing ring 5 place and place, examination tube 1 upper end plane parallel; Two clock gauge fixed supports 3 are separately fixed on two and half the outer wall, and said two clock gauge fixed supports 3 are along the axis symmetry of examination tube 1; Two clock gauges 6 are separately fixed on two clock gauge fixed supports 3, and said two clock gauges 6 all are positioned at the top of examination tube 1; Adjustable fastener 2; Form by two fixed blocks and bolt; Said two fixed blocks are separately fixed on two and half the lateral wall; And at least one fixed block is provided with the through hole that has internal thread, and bolt passes two through holes on the fixed block simultaneously, and is connected with screwed through hole whorl.

The utility model is through an adjustable fastener adjustment examination tube internal diameter size, makes to be positioned at its inner test specimen and examination socket joint and to touch closelyr, realizes complete sidewise restraint; The utility model adopts spacing ring, makes bearing plate can accurately align the upper surface center; The utility model adopts the clock gauge fixed support, and the clock gauge position is easy to adjust, quick.

The difference of embodiment two, this embodiment and embodiment one described adjustable geotechnological modulus of resilience experimental provision is; It is parallel with the upper surface of examination tube 1 that each clock gauge fixed support 3 includes fixed bar 31, No. two

fixed bars

32 and 33, numbers fixed bars 31 of No. three fixed bars; One end of a said fixed bar 31 is fixed on one and half the outer wall, and No. two fixed bar 32 is vertical with a fixed bar 31; And an end of No. two fixed bars 32 and a fixed bar 31 are slidingly connected; No. three fixed bar 33 is parallel with a fixed bar 32, and an end of No. three fixed bars 33 is fixed on the other end of No. two fixed bars 32.

This embodiment can be realized the descending operation of clock gauge fixed support 3.

The difference of embodiment three, this embodiment and embodiment one or two described adjustable geotechnological modulus of resilience experimental provisions is that it also comprises cushion block 7, and said cushion block 7 is fixed on the bottom of one and half madial walls in two and half.

Cushion block in the utility model is fixed on the examination tube, saves the time of changing test specimen, improves test efficiency.

The difference of embodiment four, this embodiment and embodiment three described adjustable geotechnological modulus of resilience experimental provisions is; The quantity of adjustable fastener 2 is N; Said N adjustable fastener 2 is distributed on two and half half drum outer wall of another junction, and N is a positive integer.

Claims

1. adjustable geotechnological modulus of resilience experimental provision; It is characterized in that: it comprises examination tube (1), adjustable fastener (2), two clock gauge fixed supports (3), connecting link (4), spacing ring (5) and two clock gauges (6); Said examination tube (1) surrounds by two and half, and said two and half junction is an articulated structure; Another said two and half junction is for connecting through being positioned at the adjustable fastener (2) that is fixed on this two and half drum outer wall; One end of connecting link (4) is fixed on two and half the cardan axle, and the other end of connecting link (4) is fixed on the outside of spacing ring (5); Plane, said spacing ring (5) place and place, examination tube (1) upper end plane parallel; Two clock gauge fixed supports (3) are separately fixed on two and half the outer wall, and said two clock gauge fixed supports (3) are along the axis symmetry of examination tube (1); Two clock gauges (6) are separately fixed on two clock gauge fixed supports (3), and said two clock gauges (6) all are positioned at the top of examination tube (1); Adjustable fastener (2); Form by two fixed blocks and bolt; Said two fixed blocks are separately fixed on two and half the lateral wall; And at least one fixed block is provided with the through hole that has internal thread, and bolt passes two through holes on the fixed block simultaneously, and is connected with screwed through hole whorl.

2. adjustable geotechnological modulus of resilience experimental provision according to claim 1; It is characterized in that each clock gauge fixed support (3) includes a fixed bar (31), No. two fixed bars (32) and No. three fixed bars (33), a fixed bar (31) is parallel with the upper surface of examination tube (1); One end of a said fixed bar (31) is fixed on one and half the outer wall, and No. two fixed bars (32) are vertical with a fixed bar (31); And an end of No. two fixed bars (32) and a fixed bar (31) are slidingly connected; No. three fixed bars (33) are parallel with a fixed bar (32), and an end of No. three fixed bars (33) is fixed on the other end of No. two fixed bars (32).

3. adjustable geotechnological modulus of resilience experimental provision according to claim 1 and 2 is characterized in that it also comprises cushion block (7), and said cushion block (7) is fixed on the bottom of one and half madial walls in two and half.

4. adjustable geotechnological modulus of resilience experimental provision according to claim 3; The quantity that it is characterized in that adjustable fastener (2) is N; Said N adjustable fastener (2) is distributed on two and half half drum outer wall of another junction, and N is a positive integer.