SU432367A1 - DEVICE FOR TESTING STRUCTURES - Google Patents

Description

one

Devices for testing structures are known, including a bottom plate with screws and nuts for vertical movement and an upper plate.

The proposed device differs from the known one in that the top plate is connected to the bottom plate by means of mutually perpendicular horizontal guides, which are pivotally connected to each other and with screws for vertical movement. This embodiment allows for the transmission of horizontal movements and turns to the structure separately or together with vertical movements.

FIG. 1 shows the proposed device plan; in fig. 2 - the same, longitudinal section.

On the base plate 1, four screws 2 are mounted vertically with nuts 3, in the annular recess of which the sleeves 4 are placed. On the fingers of the sleeves 4 there are 5 studs attached tightly to the cylindrical guides 6. which the nuts 7 of the horizontal (longitudinal) movement are tightened. The nuts 7 are flanked on both sides by horizontal movement guides 8. The guide plate 9 of the column is held on the guides 8 by means of the stops 10 fixed to it by bolted joints. On

The outer side surfaces of the guides 8 are fixed with stops And, between which are placed the nuts 12 of the horizontal (transverse) movement, screwed on the screws 13 of the horizontal (transverse) movement. The screws 13 are fixedly mounted in the limiter x 10.

Before the tests, the slab 1 is fixed with anchor bolts 14 on the foundation 15, the column shoe 16 is mounted on the slab 9 and fixed with anchor bolts 17.

Using the device, the upper part of the foundation structure is moved relative to the lower part.

With vertical movement by uniform rotation of the nuts 3, their translational movement along the axis of the screws 2 is achieved. Together with the nuts, the sleeves 4, which are prevented from rotation by the straps 5, and connected with them through the guide plate system 9, move progressively.

To rotate in the transverse direction with a uniform rotation of the nuts 3 connected to one of the cylindrical guides 6, the latter is lowered or raised parallel to itself relative to the opposite guide. The guides 8, hingedly mounted on the guides 6, rotate and tilt the plate 9 fixed on them.

To rotate in the longitudinal direction with uniform rotation of the nuts 3, which are located on one side of the guides 6, the latter tilt, which is possible due to the hinge matching of the earrings 5 with the sleeve 4. Together with the guides, the plate 9 tilts in the longitudinal direction.

With horizontal movement in the transverse direction, uniform rotation of the nuts 12 located between the lugs And, the translational movement of the screws 13 and associated with them through the stoppers 10 of the plate 9 relative to the guides 8 is achieved.

With horizontal movement in the longitudinal direction, uniform rotation of the nuts 7 results in their translational movement along the cylindrical guides 6. Together with the nuts, the guides 8 and the plate 9 associated with them are moved.

Subject invention

A device for testing structures against the effects of base deformations, including a bottom plate with screws and nuts for vertical movement and an upper plate, characterized in that, in order to ensure the transfer of the structure to horizontal movements and turns, separately or in conjunction with vertical movements, the top plate is connected to the bottom slab with mutually perpendicular horizontal guides that are hinged to each other and with screws for vertical movement

FIG. 2