CN217633644U - Mechanical equipment vibration damping base for floating floor slab equipment room - Google Patents

Abstract

The utility model relates to the field of mechanical equipment matching equipment, in particular to a mechanical equipment vibration damping base used between floating floor slab equipment, which comprises a ground foot and an enclosing structure; the ground feet are distributed on the ground in a square shape and comprise damping vibration absorbers fixed on the ground, mounting angles are connected to the upper ends of the damping vibration absorbers, and the mounting angles are sleeved outside the four lower corners of the mechanical equipment; the enclosure structure comprises four square enclosure plates, wherein a group of spring dampers are respectively arranged in the middle of the inner side walls of the four square enclosure plates, the tail ends of the spring dampers are connected with elastic blocks, rubber cushion layers are arranged on the surfaces of the inner ends of the elastic blocks, and the rubber cushion layers are tightly attached to the outer wall of mechanical equipment; divide into the damping equipment of vertical direction and horizontal direction with the damping base, the damping effect is better, and the noise reduction is in the diffusion of propagation in-process simultaneously, and the noise reduction effect is better, and life is longer, has avoided the cost of labor and the loaded down with trivial details operation of frequent change.

Description

Mechanical equipment vibration damping base for floating floor slab equipment room

Technical Field

The utility model relates to a mechanical equipment is supporting to be equipped the field, especially relates to a mechanical equipment damping base for floating between floor equipment.

Background

Theaters are special buildings for performances such as dramas, create excellent performance environments for actors, create excellent auditory effects for audiences, and have very high requirements on acoustic effects.

Noise is classified into two major categories, fluid noise and mechanical noise. A large number of mechanical devices and pipelines such as fans with strong power, air conditioning units, water pumps and the like are generally installed in the building engineering, the noise generated by the operation of the devices contains the two types, and the sound intensity of the noise is high. Noise propagation is divided into two categories, air-borne sound propagation and structure-borne sound propagation. The carrier that the air sound spreads is the air, and the ability of insulating the air sound mainly depends on the sound insulation volume of wall or wall, follows the law of quality, and the bigger the surface density is, the better the sound insulation effect is. The structure-borne sound transmission is a transmission mode in which a vibrating object directly impacts structures such as floors, walls and the like to generate vibration and transmit noise into a room along the structures. The theater building also comprises special equipment such as stage machinery, a car platform system, a scene system, a lighting system, a sound system, a curtain machine system, a control system and the like on the basis of possessing general building equipment, and if special silencing treatment is not carried out, the watching experience of audiences can be greatly influenced. According to the industrial standard promulgated by the Ministry of culture and Ministry of construction in 2001, the background noise of the auditorium in the theater meets the following standard: a equal or less than 25NR noise evaluation curve, B equal or less than 30NR noise evaluation curve, and C equal or less than 35NR noise evaluation curve. According to the industry standard promulgated by the broadcast television department and the construction department in 1998, under the condition that the ventilation air-conditioning equipment is completely started, the vacant auditorium does not exceed 40dB, the rehearsal hall is less than or equal to 35dB, and the chorus rehearsal hall is less than or equal to 35dB. And aiming at the harsh noise requirement, a sufficient solution is required for the noise elimination and vibration reduction of the ventilation air-conditioning system.

Aiming at the noise source of a theater, such as the noise generated by an air conditioner case, the method mainly comprises the steps that an internal fan rotates to drive an air conditioner shell to vibrate to generate noise, and the noise comprises low-frequency noise transmitted outwards through a vibration passing structure; the noise regeneration device also comprises regenerative noise of an air system, namely noise generated by friction of air with a closing valve, a valve and the like when the air is transmitted in an air pipe, wherein the noise is mainly determined by the wind speed; for the regeneration noise of the wind system, a method is generally adopted, in which a pipe sleeve is additionally arranged outside a wind pipe, and soundproof cotton is filled in a gap between the wind pipe and the pipe sleeve. For noise generated by mechanical operation, a rubber cushion block or a rubber pad is usually additionally arranged at the bottom of the machine to reduce vibration so as to achieve the purpose of noise reduction.

The existing rubber cushion block or rubber pad serving as silencing equipment at the bottom of a machine has the problems of easy aging, poor silencing and damping effects, troublesome replacement after aging and the like, so that a damping base which is not easy to age, long in service life and has good silencing and damping effects is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a mechanical equipment damping base for floating floor equipment room, there is easy ageing, the poor, the ageing trouble problem of back change of amortization damping effect in amortization equipment as mechanical bottom in current rubber cushion or rubber pad.

In order to solve the technical problem, the utility model provides a mechanical equipment vibration damping base used for floating floor equipment room, which comprises a ground foot and a retaining structure; the ground feet are distributed on the ground in a square shape and comprise damping shock absorbers fixed on the ground, the upper ends of the damping shock absorbers are connected with mounting angles, and the mounting angles are sleeved outside four lower corners of mechanical equipment; the enclosure structure comprises four square enclosure plates which are erected on the periphery of the ground feet and enclose a square enclosure, and the square enclosure plates are fixed on the ground through fixing piles below the square enclosure plates; one square fence plate is used as a movable fence plate and is hinged with the adjacent square fence plate on one side; the middle parts of the inner side walls of the four square fence plates are respectively provided with a group of spring dampers, the tail ends of the spring dampers are connected with elastic blocks, the surfaces of the inner ends of the elastic blocks are provided with rubber cushion layers, and the rubber cushion layers are tightly attached to the outer wall of mechanical equipment; the spring vibration absorber and the elastic block are arranged in the sliding groove, and the spring vibration absorber and the elastic block are arranged in the sliding groove.

Particularly, the spud pile includes the column stake the bottom of column stake is equipped with fixed foot, fixed foot includes the fixed station of a round platform form, the lower surface of fixed station outwards extends, forms solid fixed ring, gu fixed ring passes through fastening bolt and ground fixed connection.

Specially, the left side of the movable fence plate is provided with a lap joint buckle, and the lap joint buckle and the lap joint on the outer surface of the adjacent square fence plate on the left side are locked through a lap joint bolt.

Particularly, the lower end of the movable fence plate is also provided with a supporting rod, and the lower end of the supporting rod is provided with a sliding wheel.

Furthermore, the middle part of the movable fence plate is also provided with an observation door opening which is sealed by acrylic.

In particular, the inner side of the square fence plate is also provided with a foam sound absorption layer.

Compared with the prior art, the beneficial effects of the utility model are that: through a split type structure, the novel vibration damping base is divided into vibration damping equipment in the vertical direction and the horizontal direction, the vibration damping effect is better, so that noise generated by collision of mechanical equipment and the base in the use process is smaller, meanwhile, the vibration damping device in the vertical ground foot and the spring vibration damper on the inner surface of the square fence plate act respectively, the diffusion of noise in the transmission process is reduced, and the noise reduction effect is better; compare in current rubber cushion and rubber pad, the utility model discloses the life of device is longer, has avoided the cost of labor and the loaded down with trivial details operation of frequent change.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic view of a square fence panel structure.

Wherein, the ground foot-11; damping shock absorbers-111; a mounting angle-112; a building envelope-2; a square fence plate-21; a foam sound absorbing layer-211; a spud-22; a columnar pile body-221; a stationary platen-222; a stationary ring-223; a movable fence plate-23; a lap-joint fastener-231; a lap joint-232; -a strut-233; a pulley-234; a spring damper-24; an elastic block-25; a rubber cushion-26; a support plate-3; a chute-31.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 3, a vibration damping base for mechanical equipment between floating floor equipment comprises an anchor 11 and a building envelope 2; the ground feet 11 are distributed on the ground in a square shape, each ground foot 11 comprises a damping shock absorber 111 fixed on the ground, the upper end of each damping shock absorber 111 is connected with a mounting angle 112, and the mounting angles 112 are sleeved outside four lower corners of mechanical equipment; the enclosure structure 2 comprises four square enclosure plates 21 which are erected on the periphery of the ground feet 11 and enclose a square enclosure, and the square enclosure plates 21 are fixed on the ground through fixing piles 22 below; one square fence plate 21 serves as a movable fence plate 23 and is hinged with the adjacent square fence plate 21 on one side; a group of spring dampers 24 are respectively arranged in the middle of the inner side walls of the four square fence plates 21, the tail ends of the spring dampers 24 are connected with elastic blocks 25, the inner end surfaces of the elastic blocks 25 are provided with rubber cushion layers 26, and the rubber cushion layers 26 are tightly attached to the outer walls of mechanical equipment; a supporting plate 3 transversely arranged is further arranged below the spring shock absorber 24 and the elastic block 25, a sliding groove 31 is arranged on the supporting plate 3, the spring shock absorber 24 and the elastic block 25 are arranged in the sliding groove 31, and one end of the elastic block 25 extends out of the tail end of the sliding groove 31 and tightly abuts against mechanical equipment.

As shown in fig. 2, as a preferred embodiment, the fixing pile 22 includes a columnar pile body 221, a fixing leg is provided at a bottom end of the columnar pile body 221, the fixing leg includes a fixing table 222 in a circular truncated cone shape, a lower surface of the fixing table 222 extends outward to form a fixing ring 223, and the fixing ring 223 is fixedly connected with the ground through a fastening bolt. The square fence plate 21 is connected with the fixing table 222 through the columnar pile body 221, the fixing table 222 is in a shape with a small top and a large bottom, and is fixed on the ground through the fixing ring 223 and the fastening bolts on the lower surface of the fixing table 222, so that stability of the square fence plate 21 in a stress process is guaranteed, and toppling is prevented.

As a preferred embodiment, the left side of the movable fence plate 23 is provided with an overlapping buckle 231, the overlapping buckle 231 is locked with an overlapping joint 232 on the outer surface of the adjacent square fence plate 21 on the left side through an overlapping bolt, and the movable fence plate 23 can be fixed on the adjacent square fence plate 21 through the overlapping buckle 231 and the overlapping joint 232 which are level overlapping bolts, so as to form the complete enclosure structure 2.

As a preferred embodiment, the lower end of the movable fence plate 23 is further provided with a support rod 233, and the lower end of the support rod 233 is provided with a sliding wheel 234; through the supporting rod 233 and the sliding wheel 234, the movable fence plate 23 can be opened and closed conveniently, so that workers can observe the working state of mechanical equipment at any time, and the mechanical quilt is convenient to install, debug and maintain.

As a preferred embodiment, the middle part of the movable fence plate 23 is further provided with an observation door opening sealed by acrylic. The working state of the mechanical equipment and the working condition of the spring shock absorber 24 can be conveniently observed by workers at any time through observing the door opening.

As a preferred embodiment, the inner side of the square fence board 21 is further provided with a foam sound absorption layer 211. The foam sound absorption layer 211 absorbs the vibration after vibration reduction to generate sound, and the sound attenuation effect is further enhanced.

The utility model discloses a working process and principle do: the damping vibration absorbers 111 of the ground feet 11 are fixed on the ground and are distributed on the ground in a square shape, and the ground feet 11 are positioned at four corners of the square shape; the damping vibration absorber 111 and the mounting corners 112 arranged on the upper surface of the damping vibration absorber 111 are used as a bearing base of the mechanical equipment, and four corners of the lower surface of the mechanical equipment fall into the four mounting corners 112 respectively, so that the purpose of weakening vertical vibration is achieved; the damping vibration absorber 111 is a prior art, and the structure thereof is not described herein. The periphery of the ground foot 11 is arranged in a square fence shape, four square fence plates 21, namely, an enclosure structure 2 is used as a protection device of mechanical equipment and a stress base for weakening transverse vibration, the enclosure structure 2 is a fence with three fixed sides and one open door, a spring damper 24 and an elastic block 25 are arranged on the inner walls of two opposite square fence plates 21 in the square fence plates 21, the weight of the elastic block 25 is loaded through a support plate 3 arranged below the spring damper 24 and the elastic block 25, meanwhile, a sliding groove 31 is arranged on the elastic block 25 and used as a moving track of the elastic block 25 and the spring damper 24, so that the elastic block 25 can reciprocate in the sliding groove 31, and meanwhile, two groups of spring dampers 24 which are arranged oppositely interact to weaken vibration in the horizontal direction, and further achieve the purposes of damping and silencing. In particular, in the initial state where the mechanical device is at rest, the spring of each spring damper 24 is in a relaxed or slightly compressed state. In the use process of mechanical equipment, when the mechanical equipment vibrates, the vibration in the vertical direction is absorbed and weakened by the damping shock absorbers 111 of the ground feet 11, the vibration in the horizontal direction is counteracted, absorbed and weakened by the two groups of elastic blocks 25 and the spring shock absorbers 24 connected with the elastic blocks 25 which are oppositely arranged, and the damping shock absorbers 111 and the spring shock absorbers 24 continuously repeat the working processes of energy absorption, energy consumption and energy release under the action of the mechanical equipment, so the damping shock absorbers 111 have large damping coefficients, and the spring shock absorbers 24 have large stiffness coefficients to prevent the fluctuation amplitude of the mechanical equipment from being too large.

The utility model discloses "connect", "fixed" that appear in the description can be fixed connection, machine-shaping, welding, also can mechanical connection, and particular case understands that above-mentioned term is in the utility model provides a concrete meaning.

In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., which are used herein, indicate the orientation or positional relationship indicated only for convenience in describing the present invention and simplifying the description, but do not indicate or imply a particular orientation that a device or element indicated must have, and therefore should not be construed as limiting the present invention.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (6)

1. A mechanical equipment vibration damping base for floating floor equipment rooms comprises ground feet (11) and an enclosing structure (2); the ground anchor (11) is distributed on the ground in a square shape, the ground anchor (11) comprises a damping shock absorber (111) fixed on the ground, the upper end of the damping shock absorber (111) is connected with a mounting angle (112), and the mounting angle (112) is sleeved outside four lower corners of mechanical equipment; the enclosure structure (2) comprises four square enclosure plates (21) which are erected on the periphery of the ground feet (11) and enclose a square enclosure, and the square enclosure plates (21) are fixed on the ground through fixing piles (22) below; one square fence plate (21) is used as a movable fence plate (23) and is hinged with the adjacent square fence plate (21) at one side; a group of spring dampers (24) are respectively arranged in the middle of the inner side walls of the four square fence plates (21), the tail ends of the spring dampers (24) are connected with elastic blocks (25), rubber cushion layers (26) are arranged on the surfaces of the inner ends of the elastic blocks (25), and the rubber cushion layers (26) are tightly attached to the outer wall of mechanical equipment; a supporting plate (3) transversely arranged is further arranged below the spring damper (24) and the elastic block (25), a sliding groove (31) is formed in the supporting plate (3), and the spring damper (24) and the elastic block (25) are arranged in the sliding groove (31).

2. The vibration damping base for the mechanical equipment between the floating floor slab equipment and the like as claimed in claim 1, wherein the fixing pile (22) comprises a columnar pile body (221), a fixing foot is arranged at the bottom end of the columnar pile body (221), the fixing foot comprises a truncated cone-shaped fixing platform (222), the lower surface of the fixing platform (222) extends outwards to form a fixing ring (223), and the fixing ring (223) is fixedly connected with the ground through a fastening bolt.

3. The vibration-damping substructure for floating floor installations as claimed in claim 1, characterized in that the left side of the movable fencing panel (23) is provided with an overlapping buckle (231), said overlapping buckle (231) being locked by means of an overlapping bolt with the overlapping joint (232) of the outer surface of the left adjacent square fencing panel (21).

4. The vibration-damping base for mechanical equipment between floating floor facilities as claimed in claim 1, wherein the lower end of the movable fence plate (23) is further provided with a support rod (233), and the lower end of the support rod (233) is provided with a sliding wheel (234).

5. The vibration damping base for the mechanical equipment among the floating floor equipment according to claim 4, characterized in that the middle part of the movable fence plate (23) is also provided with an observation door opening sealed by acrylic.

6. A vibration-damping substructure for floating floor installations according to claim 1, characterized in that the inner side of the square-shaped coaming (21) is provided with a foam sound-absorbing layer (211).

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