CN219366686U - Damping device of Roots blower - Google Patents

Abstract

The utility model discloses a Roots blower damping device, which comprises a base; and (2) base: the bottom wall of the telescopic column is provided with uniformly distributed telescopic columns, the telescopic ends of the telescopic columns are respectively provided with a connecting seat, the upper surfaces of the connecting seats are fixedly connected with the lower surface of the fixing base, the outer cambered surfaces of the connecting seats are provided with positioning plates which are transversely symmetrically distributed, a rotating shaft is rotationally connected between the two transversely adjacent positioning plates, the bottom wall of the base is provided with uniformly distributed sliding grooves, the sliding seats are slidingly connected inside the sliding grooves, connecting shafts are rotationally connected between the left wall and the right wall of the sliding seat, connecting rods are respectively arranged between the connecting shafts and the longitudinally adjacent rotating shafts, the left side and the right side of the lower surface of the base are respectively provided with a longitudinally symmetrically distributed mounting seat, the Roots fan damping device utilizes spring force and sliding friction damping to vertically and horizontally separate and absorb vibration force generated by the Roots fan, and accordingly damping effect of the device is improved, and stability of the device is good.

Description

Damping device of Roots blower

Technical Field

The utility model relates to the technical field of Roots fans, in particular to a Roots fan damping device.

Background

The utility model provides a Roots blower belongs to positive displacement fan, the impeller terminal surface, the front and back end cover of fan, the principle is that utilize two leaf shape rotors to make relative motion in the cylinder come the compression with carry gaseous rotary compressor, this kind of air-blower simple structure, it is convenient to make, wide application in aquaculture oxygenation, sewage treatment aeration, cement is carried, more be applicable to the gas transportation and the pressurized system of low pressure occasion, also can be used as vacuum pump etc., because Roots blower self structure and operational problem, can produce violent vibrations in the air-blower compressed air and exhaust in-process, this very easily produces the noise at the course of working by the Roots blower, on the one hand causes the influence to Roots blower operational environment, on the other hand the improper also easily causes the influence to Roots blower self operating condition of amortization, easily cause excessive wear, even direct damage, influence Roots blower's life, therefore need be through damping device to the Roots blower shock attenuation, when partial Roots blower damping device uses, at first fix the base, then fix Roots blower and base roof, be equipped with vertical distribution's spring and post, produce violent vibrations in the course of working, the top plate and the telescopic effect produces the top plate through the telescopic spring, the telescopic effect produces the telescopic effect to the top plate, the vertical damping effect is difficult to the base, the vertical damping effect is produced by the telescopic effect, the base, the vertical damping effect is limited, the vibration effect is produced.

Disclosure of Invention

The damping device for the Roots blower provided by the utility model has the advantages that the existing defects are overcome, the vibration force generated by the Roots blower is vertically and horizontally separated and absorbed by utilizing the spring force and the sliding friction damping, so that the damping effect of the device is improved, the stability of the device is good, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the damping device of the Roots blower comprises a base;

and (2) base: the bottom wall of the device is provided with evenly distributed telescopic columns, the telescopic ends of the telescopic columns are respectively provided with a connecting seat, the upper surfaces of the connecting seats are respectively fixedly connected with the lower surface of the fixing base, the outer cambered surfaces of the connecting seats are respectively provided with a positioning plate which is transversely symmetrically distributed, a rotating shaft is respectively and rotationally connected between the two positioning plates which are transversely adjacent, the bottom wall of the base is provided with an evenly distributed sliding groove, the inside of the sliding groove is respectively and slidingly connected with a sliding seat, connecting shafts are respectively and rotationally connected between the left wall and the right wall of the sliding seat, connecting shafts are respectively and longitudinally adjacent rotating shafts, the left side and the right side of the lower surface of the base are respectively provided with a mounting seat which is longitudinally symmetrically distributed, and the device utilizes spring force and sliding friction damping to vertically and horizontally separate and absorb vibration force generated by the Roots blower, so that the damping effect of the device is improved, and the stability of the device is good.

Further, a first spring which is uniformly distributed is arranged between the bottom wall of the base and the lower surface of the fixing seat, and the first spring is movably sleeved with the outer end of the adjacent telescopic column, so that the vertical shock absorption is carried out on the shock force received by the fixing seat.

Further, the inside of spout all is through telescopic link and spring two and the vertically adjacent slide fixed connection, and spring two all cup joints with the outer activity of adjacent telescopic link, carries out horizontal shock attenuation to the vibration power that the fixing base received.

Further, a rubber pad is arranged on the lower surface of the base, and auxiliary shock absorption is performed on the device.

Further, the left wall and the right wall of the base are both provided with sound-absorbing sponges, so that noise generated by the operation of the device is absorbed.

Further, both ends all are equipped with the guard plate about the fixing base, and guard plate and base cooperation installation wrap up the protection to the lateral wall of base.

Further, evenly distributed anti-skidding lines are arranged in the middle of the upper surface of the fixing base, and relative sliding of the fixing base and the bottom of the Roots blower is avoided.

Compared with the prior art, the utility model has the beneficial effects that: this roots fan damping device has following benefit:

the vibration force generated in the working process of the Roots blower acts on the connecting seat through the fixing seat, the connecting seat vertically downwards applies vibration force to enable the telescopic end of the telescopic column and the spring to shrink simultaneously, so that the vibration force received by the connecting seat is vertically damped and absorbed through the shrinkage elasticity of the first spring and the friction damping generated by the relative sliding of the telescopic end and the fixed end of the telescopic column, the vibration force received by the connecting seat is partially acted on the connecting rod along with the vertical downwards movement of the connecting seat, the connecting seat drives the upper end of the connecting rod to downwards move through the rotating shaft, the upper end and the lower end of the connecting rod respectively rotate around the corresponding rotating shaft and the axle center of the connecting shaft and simultaneously push the sliding seat to slide along the sliding groove, the telescopic end of the telescopic rod and the second spring receive pressure and shrink, the spring elasticity generated in the sliding process of the second spring and the friction damping generated by the sliding seat and the sliding groove are used for horizontally damping the connecting seat, the damping effect of the Roots blower is improved, the vibration force generated by the Roots blower is vertically and horizontally separated and absorbed by utilizing the spring elasticity and the sliding friction damping, and the vibration force generated by the Roots blower is improved, and the damping effect is improved, and the stability of the device is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of the overall structure of the present utility model.

In the figure: 1 a base, 2 a mounting seat, 3 a rubber pad, 4 a telescopic column, 5 a first spring, 6 a connecting seat, 7 a positioning plate, 8 a rotating shaft, 9 a connecting rod, 10 a sliding groove, 11 a sliding seat, 12 a telescopic rod, 13 a second spring, 14 a sound absorbing sponge, 15 a fixing seat, 16 anti-skid patterns and 17 a protection plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: the damping device of the Roots blower comprises a base 1;

base 1: the bottom wall of the telescopic column is provided with uniformly distributed telescopic columns 4, the telescopic ends of the telescopic columns 4 are respectively provided with a connecting seat 6, the upper surfaces of the connecting seats 6 are fixedly connected with the lower surface of a fixed seat 15, the outer cambered surfaces of the connecting seats 6 are provided with positioning plates 7 which are transversely and symmetrically distributed, a rotating shaft 8 is rotationally connected between the two transversely adjacent positioning plates 7, the bottom wall of the base 1 is provided with uniformly distributed sliding grooves 10, the inside of each sliding groove 10 is slidingly connected with a sliding seat 11, the left wall and the right wall of each sliding seat 11 are rotationally connected with connecting shafts, connecting rods 9 are respectively arranged between the connecting shafts and the longitudinally adjacent rotating shafts 8, mounting seats 2 which are longitudinally and symmetrically distributed are respectively arranged on the left side and the right side of the lower surface of the base 1, a uniformly distributed spring I5 is arranged between the bottom wall of the base 1 and the lower surface of the fixed seat 15, the spring I5 is movably sleeved with the outer ends of the adjacent telescopic columns 4, the inside of the chute 10 is fixedly connected with a longitudinally adjacent slide seat 11 through a telescopic rod 12 and a second spring 13, the second spring 13 is movably sleeved with the outer end of the adjacent telescopic rod 12, anti-slip patterns 16 which are uniformly distributed are formed in the middle of the upper surface of a fixed seat 15, when the Roots blower is damped, firstly, the device is placed at a designated position, then the device is fixed through a mounting seat 2 by an expansion bolt, then the bottom of the Roots blower is fixed with the fixed seat 15 by bolts through connecting holes on the fixed seat 15, the anti-slip patterns 16 can increase the contact static friction force between the fixed seat 15 and the bottom of the Roots blower, the fixing effect of the Roots blower by the lifting device is improved, the vibration force generated in the working process of the Roots blower acts on a connecting seat 6 through the fixed seat 15, and the connecting seat 6 vertically downwards applies the vibration force to enable the telescopic end of the telescopic column 4 and the first spring 5 to shrink simultaneously, the vibration force received by the connecting seat 6 is vertically damped and absorbed through the shrinkage elastic force of the first spring 5 and the friction damping generated by the relative sliding of the telescopic end and the fixed end of the telescopic column 4, along with the vertical downward movement of the connecting seat 6, the vibration force received by the connecting seat 6 is partially acted on the connecting rod 9, the connecting seat 6 drives the upper end of the connecting rod 9 to move downwards through the rotating shaft 8, the upper end and the lower end of the connecting rod 9 respectively rotate around the corresponding rotating shaft 8 and the axle center of the connecting shaft and simultaneously push the sliding seat 11 to slide along the sliding groove 10, the telescopic end of the telescopic rod 12 and the second spring 13 receive pressure and shrink in the sliding process of the sliding seat 11, the horizontal damping is carried out on the connecting seat 6 through the spring elastic force generated in the shrinkage process of the second spring 13 and the friction damping generated by the sliding of the sliding seat 11 and the sliding groove 10, the damping effect of the Roots blower is improved, the damping device of the Roots blower is used for vertically and horizontally separating and absorbing the vibration force generated by the Roots blower, and the device is improved, and the device is good in stability;

wherein, the lower surface of base 1 is equipped with rubber pad 3, both ends all are equipped with the guard plate 17 about the base 1 about both walls all are equipped with inhale sound sponge 14, guard plate 17 and base 1 cooperation installation, thereby inhale sound sponge 14 through the back and forth reflection of sound wave in the sponge to inhale in the sound sponge 14 of the noise transmission that produces in the device motion process, thereby improve the sound insulation effect of device, guard plate 17 wraps up the protection to the border department of base 1, thereby rubber pad 3 utilizes its own unique viscoelastic energy to carry out auxiliary damping absorption to the vibrations.

The working principle of the damping device of the Roots blower provided by the utility model is as follows: when the Roots blower is damped, firstly, the device is placed at a designated position, then the device is fixed by an expansion bolt through the mounting seat 2, then the bottom of the Roots blower is fixed with the fixing seat 15 by bolts through connecting holes on the fixing seat 15, the anti-skid patterns 16 can increase the contact static friction force between the fixing seat 15 and the bottom of the Roots blower, the fixing effect of the Roots blower by the device is improved, the vibration force generated in the working process of the Roots blower acts on the connecting seat 6 through the fixing seat 15, the connecting seat 6 vertically downwards applies the vibration force to enable the telescopic end of the telescopic column 4 and the first spring 5 to simultaneously shrink, so that the vibration force received by the connecting seat 6 is vertically damped and absorbed by the shrinkage elasticity of the first spring 5 and the friction damping generated by the relative sliding of the telescopic end and the fixed end of the telescopic column 4, and the connecting seat 6 vertically moves downwards along with the vertical downward movement of the connecting seat 6, the vibration force part received by the connecting seat 6 is acted on the connecting rod 9, the connecting seat 6 drives the upper end of the connecting rod 9 to move downwards through the rotating shaft 8, the upper end and the lower end of the connecting rod 9 respectively rotate around the corresponding rotating shaft 8 and the axle center of the connecting shaft and simultaneously push the sliding seat 11 to slide along the sliding chute 10, the telescopic end of the telescopic rod 12 and the spring II 13 receive pressure and shrink in the sliding process of the sliding seat 11, the connecting seat 6 is horizontally damped through the spring force generated in the shrinking process of the spring II 13 and the friction damping generated by the sliding of the sliding seat 11 and the sliding chute 10, the damping effect of the Roots blower by the device is improved, the noise generated in the movement process of the device is transmitted into the sound absorbing sponge 14, the sound absorbing sponge 14 absorbs the sound wave in a consuming way through the back and forth reflection of the sound wave in the sponge, the sound insulating effect of the device is improved, the protection plate 17 wraps and protects the edge of the base 1, the rubber pad 3 utilizes its own unique viscoelastic properties to assist in damping the shock forces.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. Roots blower damping device, its characterized in that: comprises a base (1);

base (1): the diapire is equipped with evenly distributed's flexible post (4), the flexible end of flexible post (4) all is equipped with connecting seat (6), the upper surface of connecting seat (6) all is connected with the lower fixed surface of fixing base (15), the extrados of connecting seat (6) is equipped with transverse symmetric distribution's locating plate (7), all rotate between two transverse adjacent locating plates (7) and be connected with rotation axis (8), evenly distributed's spout (10) have been seted up to the diapire of base (1), the inside of spout (10) is equal sliding connection has slide (11), all rotate between the left and right sides wall of slide (11) and be connected with the axle, all be equipped with connecting rod (9) between connecting axle and the rotation axis (8) of vertical adjacent, the lower surface left and right sides of base (1) all is equipped with mount pad (2) of vertical symmetric distribution.

2. The Roots blower vibration damper according to claim 1, wherein: the bottom wall of the base (1) and the lower surface of the fixed seat (15) are provided with uniformly distributed springs I (5), and the springs I (5) are movably sleeved with the outer ends of the adjacent telescopic columns (4).

3. The Roots blower vibration damper according to claim 1, wherein: the inside of spout (10) is all through telescopic link (12) and spring two (13) and vertically adjacent slide (11) fixed connection, and spring two (13) all cup joints with the outer end activity of adjacent telescopic link (12).

4. The Roots blower vibration damper according to claim 1, wherein: the lower surface of the base (1) is provided with a rubber pad (3).

5. The Roots blower vibration damper according to claim 1, wherein: the left wall and the right wall of the base (1) are both provided with sound-absorbing sponges (14).

6. The Roots blower vibration damper according to claim 1, wherein: the left end and the right end of the fixed seat (15) are respectively provided with a protection plate (17), and the protection plates (17) are matched with the base (1).

7. The Roots blower vibration damper according to claim 1, wherein: anti-skid patterns (16) which are uniformly distributed are formed in the middle of the upper surface of the fixing seat (15).