Foundation on vibroprotective elements

FIELD: construction.

SUBSTANCE: invention is related to means of protection against hazardous effect of vibration and may be used in construction, in particular in arrangement of vibration-insulated foundations for machines and equipment with dynamic loads. Foundation on vibroprotective elements comprises bath, foundation unit arranged in it with clearance versus walls and bottom and hingedly joined to vibration isolators installed in bath bottom. Vibration isolators are joined to foundation unit by means of hinged lever, which connects foundation unit to support element of vibration isolator, which comprises elastic element, body and pendulum suspension. Body is arranged in the form of box with lower base and upper plate with hole for threaded pin of pendulum suspension, which are connected to each other by three side ribs, with creation of window for accommodation of support lever, on which vibration-insulated object is arranged. Elastic element is arranged in the form of three serially connected elements: elastic ones and elastic-damping element arranged in between. Elastic elements with one of their bases are installed in bushes, which are fixed accordingly on upper plate of body and cover, and rest against washers with their other bases, and washers are joined with elastic-damping element. Pendulum suspension is arranged in the form of threaded pin, which is connected by one end to support lever for fixation of vibration-insulated object, and by other end - to nut and thrust washer, which is joined to cover attached to elastic element. Elastic-damping element is arranged in the form of steel-wire weaving or metal thread waste.

EFFECT: increased efficiency of spatial vibration insulation and simplified design.

2 dwg

 

The invention relates to means of protection from the harmful effects of vibration and can be used in construction, in particular in devices vibroisolating of foundations for machines and equipment with dynamic loads.

The closest technical solution to the declared object is vibroisolating Foundation containing a bath placed therein with clearance relative to the walls and bottom of the base block, pivotally connected with vibration isolators installed in the bottom of the tub, under the patent of the Russian Federation No. 2281999, E02D 27/44, 1986 (prototype).

The disadvantages of the prototype are: relatively low efficiency of spatial isolation and structural complexity due to the use of cetkovich supports.

The technical result - improving the efficiency of spatial isolation and simplification of the structure.

This is achieved by the fact that in vibroisolating Foundation containing a bath placed therein with clearance relative to the walls and bottom of the base block, pivotally connected with vibration isolators installed in the bottom of the tub, the vibration isolators are associated with the base unit via a pivoting lever that connects the base block with a support element of insulator, which contains an elastic element, the housing and the pendulum, and the body is made in the form of boxes with the lower base of the receiving and the top plate with a hole for the threaded rod of the pendulum suspension, interconnected three side edges with the formation of the window to accommodate the support arm, which is fixed to vibrotherapy object, with the elastic element is designed in the form of three series-connected elements: elastic and providentiales element located between them, and elastic elements in one of its bases is installed in the barrels, mounted respectively on the top plate of the enclosure and the cover, and other grounds rest on the washers associated with providentialism element, and the pendulum is made in the form of a threaded rod connected at one end with a support arm for mounting vibroisolating object, and the other with nut and thrust washer associated with the cover connected with the elastic element, and providentiae element is designed as a cable plexus or metal potency.

1 shows a General scheme of the proposed Foundation, figure 2 is a frontal section of the insulator.

The Foundation for vibration protection elements contains a bath with plate 16 placed therein with clearance relative to the walls 19 and 20 of the bath and the bottom 16 of the base block 17, pivotally connected with vibration isolators 18 installed in the bottom of the tub 16. The vibration isolators 18 are connected with the base unit 17 via a pivoting lever 21, which connects Foundation the lock 17 with a support element of insulator 18 (figure 1). The vibration isolators 18 are located between the walls 19 and 20 of the bath and set on its bottom 16.

Each spring vibration absorber 18 includes a housing 1 in the form of boxes with bottom base 2 and top plate 3 with a hole for the threaded rod 9 pendulum suspension connected between a three side edges 4 with the formation of the window to accommodate the support arm 11, which is fixed to vibrotherapy object 13. The elastic element is designed in the form of three series-connected elements: elastic 7 and 8 and the elastic damping 5 element located between them. Elastic elements 7 and 8 one of its bases installed in the sleeve 15 and 6, respectively fixed on the upper plate 3 of the housing 1 and the cover 10, and other grounds abuts the washer 14 associated with providentialism element 5. Pendulum made in the form of threaded studs 9, which is connected at one end with the control lever 11 for fastening vibroisolating object 13 by means of screws 12, and the other with nut and thrust washer associated with the cover 10, which is connected with the elastic element 8.

Providentiae element 5 made in the form of cable plexus or metal potency located between the washers 14, interacting with the elastic elements 7 and 8. Washer 14 can be made of elastic material.

The Foundation of vibroseis who's elements is as follows.

Under the application of static loads on the base block 17, i.e. when installing equipment, vibration isolators 18 give static draught on the calculated value depending on the weight of the machine. While the base block 17 descends, compressing the springs 7 and 8. When the oscillation unit 17 they perceive vertical load, thus weakening dynamic effect. Horizontal loads are perceived pendulum suspension. Due to such schemes perform pendulum suspension provides additional spatial vibration isolation equipment in all six directions of oscillations (on the three coordinate axes x, y, z and rotary oscillations around these axes).

Execution providentiales element 5 in the form of a rope plexus or metal potency can significantly improve the system damping of the resonant modes.

The design of the vibration damper is effective due to the introduction of pendulum elastic thrust washers and providentiales element, and is simple in installation and operation.

The Foundation for vibration protection elements containing a bath placed therein with clearance relative to the walls and bottom of the base block, pivotally connected with vibration isolators installed in the bottom of the tub, characterized in that bioisostere associated with the base unit via a pivoting lever, connecting the base unit with the supporting member of insulator, which contains an elastic element, the housing and the pendulum, and the body is made in the form of boxes with bottom base and a top plate with a hole for the threaded rod of the pendulum suspension connected between a three side edges with the formation of the window to accommodate the support arm, which is fixed to vibrotherapy object, with the elastic element is designed in the form of three series-connected elements: elastic and providentiales element located between them, and elastic elements in one of its bases is installed in the barrels, mounted respectively on the top plate of the enclosure and the cover, and other grounds rest on the washers associated with providentialism element, and the pendulum is made in the form of a threaded rod connected at one end with a support arm for mounting vibroisolating object, and the other with nut and thrust washer associated with the cover connected with the elastic element, and providentiae element is designed as a cable plexus or metal potency.



 

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FIELD: vibration protection means for building industry, particularly vibroinulated foundations for machines, engines, or ordnance.

SUBSTANCE: vibroinsulated foundation comprises bath and foundation block arranged in the bath so that the foundation block is spaced from bath walls and bottom. The foundation block is higedly connected with bumpers, which in turn are attached to foundation block by means of hinged lever. The lever connects foundation block with support member of bumper. The bumper has pendulum suspension means made as threaded rod with spherical profile on one rod end and threaded bush also having spherical profile. Both spherical profiles cooperate with conical surfaces of upper and lower plates correspondingly. Resilient member is made as serially connected resilient disc means formed as disc springs connected with each other along outer diameters by means of ring having T-shaped profile and along inner diameters by means of ring having inner surface cooperating with outer bush surface. One bush end is fixedly secured to the base, another bush end is slidably installed in guiding bush.

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EFFECT: increased efficiency of volumetric vibroinsulation and simplified structure.

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FIELD: construction.

SUBSTANCE: invention is related to means of protection against hazardous effect of vibration and may be used in construction, in particular in arrangement of vibration-insulated foundations for machines and equipment with dynamic loads. Foundation on vibroprotective elements comprises bath, foundation unit arranged in it with clearance versus walls and bottom and hingedly joined to vibration isolators installed in bath bottom. Vibration isolators are joined to foundation unit by means of hinged lever, which connects foundation unit to support element of vibration isolator, which comprises elastic element, body and pendulum suspension. Body is arranged in the form of box with lower base and upper plate with hole for threaded pin of pendulum suspension, which are connected to each other by three side ribs, with creation of window for accommodation of support lever, on which vibration-insulated object is arranged. Elastic element is arranged in the form of three serially connected elements: elastic ones and elastic-damping element arranged in between. Elastic elements with one of their bases are installed in bushes, which are fixed accordingly on upper plate of body and cover, and rest against washers with their other bases, and washers are joined with elastic-damping element. Pendulum suspension is arranged in the form of threaded pin, which is connected by one end to support lever for fixation of vibration-insulated object, and by other end - to nut and thrust washer, which is joined to cover attached to elastic element. Elastic-damping element is arranged in the form of steel-wire weaving or metal thread waste.

EFFECT: increased efficiency of spatial vibration insulation and simplified design.

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FIELD: construction.

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FIELD: construction.

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EFFECT: increased bearing capacity, increased service life.

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