CN216131320U

CN216131320U - Vibration damping hoisting element for suspension type installation vibration device

Info

Publication number: CN216131320U
Application number: CN202122062528.XU
Authority: CN
Inventors: 於珂睿; 杨哲; 李东阁; 冯永平
Original assignee: Zhuzhou Times Ruiwei Damping Equipment Co ltd
Current assignee: Zhuzhou Times Ruiwei Damping Equipment Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-25
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a vibration damping hoisting element for mounting a vibration device in a suspension type, which comprises an upper vibration damping unit, a lower vibration damping unit and a connecting piece, wherein the upper vibration damping unit is connected with the lower vibration damping unit; the upper vibration reduction unit comprises an upper seat body, an upper elastic piece positioned on the upper seat body and an upper pressure plate pressed on the upper elastic piece; the lower vibration reduction unit comprises a lower seat body, a lower elastic piece positioned on the lower seat body and a lower pressing plate positioned on the lower elastic piece; the upper end of the connecting piece is connected with the upper pressure plate, and the lower end of the connecting piece is connected with the lower seat body; when the vibration device is applied, the upper base body is fixedly arranged below the suspension installation position, and the vibration device is suspended on the lower pressing plate. The vibration device is arranged on the suspension installation position in a suspension mode through the vibration reduction hoisting element, two times of vibration reduction can be achieved, compared with one time of vibration reduction of the traditional hoisting element, the vibration reduction performance of the hoisting element designed by the application is obviously enhanced, and the effects of reducing noise and preventing related devices from being loosened and damaged due to vibration are obviously improved.

Description

Vibration damping hoisting element for suspension type installation vibration device

Technical Field

The utility model relates to a vibration damping hoisting element for mounting a vibrating object in a suspension mode, and belongs to the technical field of vibration damping mounting.

Background

Many of the devices which generate vibration when the devices operate by themselves can adopt a suspension type installation mode, particularly the devices which are limited by the installation environment, such as a motor which is installed on a train bogie in a suspension type mode, a cooler which is installed below a train body in a suspension type mode and is provided with a motor and a compressor, and the like. In order to reduce noise caused by vibration and cause loose connection and damage to related parts, elastic hoisting elements with vibration reduction function are adopted for suspension type installation of the devices.

The traditional elastic hoisting element mostly adopts a suspender to compress a steel spring or a rubber body (rubber pad) to realize the vibration reduction function, namely, a hole is formed in a hanging seat, the spring or the rubber washer is placed on the upper surface of the hole position of the hanging seat, a suspension rod with a handle at the upper end passes through the spring or the rubber washer from top to bottom and then passes through a hole formed in the hanging seat, and the lower end of the suspension rod is fixed again to be required to be hung and installed on a vibrating device. The handle at the upper end of the suspension rod presses the spring or the rubber gasket on the hanging seat, the heavy pressure of the vibration device is borne by compressing the spring or the rubber gasket, and vibration generated when the vibration device runs is damped.

From the structure, the traditional elastic hoisting element only has a primary vibration damping function, namely, only one layer of elastic part (spring or rubber gasket) is separated between the vibration device and the hanging seat, the vibration generated by the vibration device is transmitted to the hanging seat only through primary vibration damping, the vibration damping effect is very limited, and the noise reduction effect is not ideal for a driving motor or a cooler which is installed on a train in a suspension mode and has high-power and high-frequency vibration, and the effects of eliminating connection looseness and damage to related devices caused by vibration are not ideal.

SUMMERY OF THE UTILITY MODEL

The technical problems to be solved by the utility model are mainly as follows: the traditional elastic hoisting element has limited one-time vibration reduction effect, and has poor noise reduction effect and the effect of eliminating connection looseness and damage to self devices and related devices due to vibration.

Aiming at the problems, the technical scheme provided by the utility model is as follows:

a vibration damping hoisting element for mounting a vibration device in a suspension type comprises an upper vibration damping unit, a lower vibration damping unit and a connecting piece; the upper vibration reduction unit comprises an upper seat body, an upper elastic piece positioned on the upper seat body and an upper pressure plate pressed on the upper elastic piece; the lower vibration reduction unit comprises a lower seat body, a lower elastic piece positioned on the lower seat body and a lower pressing plate positioned on the lower elastic piece; the upper end of the connecting piece is connected with the upper pressure plate, and the lower end of the connecting piece is connected with the lower seat body; when the vibration device is applied, the upper base body is fixedly arranged below the suspension installation position, and the vibration device is suspended on the lower pressing plate.

Further, a rubber pad is arranged between the upper seat body of the upper vibration reduction unit and the lower pressing plate of the lower vibration reduction unit.

Furthermore, the upper seat body is a cup-shaped seat with an upward opening and is provided with a circular concave cup inner space, the center of the cup bottom is provided with a first vertical through hole, the upper end of the cup wall of the cup body extends outwards and horizontally in the radial direction to form a mounting edge, and the mounting edge is provided with vertical bolt holes distributed in the circumferential direction.

Furthermore, the upper pressure plate is disc-shaped, the connecting piece is cylindrical, and the upper end of the connecting piece is vertically connected with the upper pressure plate in the center of the bottom end face of the upper pressure plate; the lower section of the cylindrical connecting piece passes through a through hole at the bottom of the cup from top to bottom and is suspended below the cup, and the upper pressing plate is positioned at the upper part of the space in the cup of the cup; the upper elastic part is an upper rubber layer formed by vulcanizing the bottom end surface of the upper pressing plate and the cup bottom of the cup-shaped seat.

Further, a gap is reserved between the inner wall of the first through hole in the bottom of the cup bottom and the periphery of the cylindrical connecting piece, and an upper radial rubber layer integrated with the upper rubber layer is formed between the first through hole in the bottom of the cup bottom and the cylindrical connecting piece while the upper rubber layer is formed through vulcanization.

Furthermore, the lower seat body is a circular seat plate, the center of the upper surface of the lower seat body is provided with a core pipe integrally connected with the seat plate, the core pipe and the seat plate are provided with a second through hole communicated up and down, the lower section of the connecting piece can be inserted into the second through hole from top to bottom, a section of the connecting piece is exposed downwards from the bottom end of the second through hole, a section of the connecting piece exposed downwards from the bottom end of the second through hole is provided with external threads, and the seat plate is limited at the lower end of the cylindrical connecting piece through the external threads by a nut; the center of the lower pressing plate is provided with a third through hole which is sleeved on the periphery of the upper end of the core pipe; the lower elastic piece is a lower rubber layer formed between the bottom end surface of the lower pressing plate and the lower pressing plate through vulcanization.

Furthermore, a gap is reserved between the inner wall of the third through hole of the lower pressing plate and the periphery of the core pipe, and a lower radial rubber layer integrated with the lower rubber layer is formed between the inner wall of the third through hole and the periphery of the core pipe while the lower rubber layer is formed through vulcanization.

Furthermore, the space between the upper pressure plate and the cup bottom of the cup-shaped seat is a concave space with a low middle part and a high periphery, and the section of the upper rubber layer positioned between the upper pressure plate and the cup bottom is an inclined section; the space between the lower pressure plate and the seat plate is a convex space with a high middle part and a peripheral bottom, and the section of the lower rubber layer positioned between the convex space and the peripheral bottom is an inclined section.

Further, still include suspension type installation vibrating device's installed part, the installed part including the mounting panel that is located between rubber pad and the holding down plate and hang respectively in the mounting panel both sides with mounting panel integrated into one piece's erection column.

Furthermore, mounting columns for mounting the vibration device in a suspension mode are arranged on two sides of the lower pressing plate, and the mounting columns and the lower pressing plate are integrally formed.

Has the advantages that: the vibration device is arranged on the suspension installation position in a suspension mode through the vibration reduction hoisting element, vibration reduction can be performed twice, compared with the primary vibration reduction of the traditional hoisting element, the vibration reduction performance of the hoisting element designed by the application is obviously enhanced, and the effects of reducing noise and preventing related devices from being loosened and damaged due to vibration are obviously improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a vibration-damping hoisting element according to a first embodiment;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic sectional view of the vibration-damping hoisting element according to the second embodiment;

fig. 4 is a schematic sectional view of the vibration-damping hoisting element according to the third embodiment.

In the figure: 1. an upper vibration reduction unit; 11. an upper pressure plate; 12. a cup-shaped seat; 121. a mounting flange; 1211. bolt holes; 122. a first through hole; 13. an upper rubber layer; 14. an upper radial rubber layer; 2. a lower vibration reduction unit; 21. a lower pressing plate; 211. a third through hole; 22. a seat plate; 23. a core tube; 231. a second through hole; 24. a lower rubber layer; 25. a lower radial rubber layer; 3. a connecting member; 31. a nut; 4. a rubber pad; 5. mounting a plate; 6. and (6) mounting the column.

Detailed Description

The utility model is further described with reference to the accompanying drawings in which:

example one

As shown in fig. 1-2, a vibration damping hoisting element for suspension mounting of a vibration device comprises an upper vibration damping unit 1, a lower vibration damping unit 2, a connecting piece 3; the upper vibration reduction unit 1 comprises an upper base body, an upper elastic piece positioned on the upper base body and an upper pressure plate 11 pressed on the upper elastic piece; the lower vibration damping unit 2 comprises a lower seat body, a lower elastic piece positioned on the lower seat body and a lower pressure plate 21 positioned on the lower elastic piece; the upper end of the connecting piece 3 is connected with the upper pressure plate 11, and the lower end is connected with the lower seat body; when the vibration device is used, the upper base body is fixedly arranged below the suspension installation position, and the vibration device is suspended on the lower pressing plate 21. The pressure transmission path of the vibration device comprises the following steps in sequence: the vibration device comprises a lower pressing plate 21, a lower elastic piece, a lower base body, a connecting piece, an upper pressing plate 11, an upper elastic piece, an upper base body and a suspension installation position. The suspension mounting position refers to a position where the vibration device is to be mounted and fixed. For example, the cooler on the train is hung and installed at the bottom of the train carriage, and the hanging and installing position is the bottom of the train carriage.

As can be seen from the above arrangement, the vibration device is mounted on the suspension mounting location in a suspended manner by means of the vibration damping hoisting element, undergoing two times of vibration damping. The first time is that the vibration of the lower elastic part is damped and then the damped vibration is transmitted to the connecting piece, and the second time is that the vibration on the connecting piece is further damped after the upper elastic part damps the vibration again. Like this, for the primary damping of traditional hoist and mount component, the damping performance of the hoist and mount component of this application design will show the reinforcing, fall the noise and prevent that associated device from leading to the fact the effect of connecting not hard up and harm to obtain showing the improvement because of the vibration.

A rubber pad 4 is arranged between the upper seat body of the upper vibration damping unit 1 and the lower pressing plate 21 of the lower vibration damping unit 2, so that the upper seat body is prevented from directly contacting with a lower rigid component to conduct vibration.

The upper seat body is a cup-shaped seat 12 with an upward opening and is provided with a circular concave cup inner space for accommodating an upper elastic element and an upper pressure plate 11. The cup bottom is centrally provided with a first through hole 122, the upper end of the cup wall extends outwards and horizontally to form a mounting edge 121, and the mounting edge 121 is provided with vertical bolt holes 1211 distributed circumferentially and used for fixing the mounting edge 121 in a hanging mounting position when in use.

The upper pressing plate 11 is disc-shaped, the connecting piece 3 is cylindrical, and the upper end of the connecting piece 3 is vertically connected with the upper pressing plate 11 in the center of the bottom end face of the upper pressing plate 11; the lower section of cylindrical connecting piece 3 is suspended below cup 12 from top to bottom through a first through hole 122 at the bottom of cup 12, and upper pressing plate 11 is located at the upper part of the space in cup 12; the upper elastic element is an upper rubber layer 13 formed between the bottom end face of an upper pressing plate 11 and the cup bottom of a cup-shaped base 12 through vulcanization. The upper rubber layer 13 is also vulcanized with the upper section of the cylindrical connecting member 3.

A gap is reserved between the inner wall of the first through hole 122 at the bottom of the cup 12 and the periphery of the cylindrical connecting piece 3, and an upper radial rubber layer 14 which is integrated with the upper rubber layer 13 is formed between the first through hole 122 at the bottom of the cup 12 and the cylindrical connecting piece 3 at the same time of forming the upper rubber layer 13 through vulcanization. The upper radial rubber layer 14 serves to space the cylindrical connecting member 3 from the cup 12, and also serves to provide a vibration damping effect, preventing the cylindrical connecting member 3 from directly contacting the cup 12 to transmit vibrations.

The lower seat body is a round seat plate 22, the center of the upper surface of the lower seat body is provided with a core pipe 23 which is integrally connected with the seat plate 22, the core pipe and the seat plate 22 are provided with a second through hole 231 which is communicated up and down, the lower section of the connecting piece 3 can be inserted into the second through hole 231 from top to bottom, a section is exposed downwards from the bottom end of the second through hole 231, a section which is exposed downwards from the bottom end of the second through hole 231 is provided with external threads, and the seat plate 22 is limited at the lower end of the cylindrical connecting piece 3 through the external threads by a nut 31; the center of the lower pressure plate 21 is provided with a third through hole 211 which is sleeved on the periphery of the upper end of the core tube 23; the lower elastic element is a lower rubber layer 24 formed between the bottom end surface of the lower pressing plate 21 and the lower pressing plate 21 through vulcanization.

A gap is reserved between the inner wall of the through hole III 211 of the lower pressure plate 21 and the periphery of the core tube 23, and a lower radial rubber layer 25 which is integrated with the lower rubber layer 24 is formed between the inner wall of the through hole III 211 and the periphery of the core tube 23 while the lower rubber layer 24 is formed through vulcanization. Similarly, the lower radial rubber layer 25 is used to separate the core tube 23 from the lower pressing plate 21, and also has a vibration damping effect to prevent the core tube 23 from directly contacting the lower pressing plate 21 to conduct vibration.

The space between the upper pressure plate 11 and the cup bottom of the cup 12 is a concave space with a low middle part and a high periphery, and the section of the upper rubber layer 13 positioned between the upper pressure plate and the cup bottom is an inclined section. Thus, a shearing force can be formed on the upper rubber layer 13 between the upper pressure plate 11 and the cup bottom of the cup 12, and the rigidity of the upper rubber layer 13 can be properly reduced, so that a better vibration damping effect can be obtained.

The space between the lower pressure plate 21 and the seat plate 22 is a convex space with a high middle part and a bottom periphery, and the section of the lower rubber layer 24 positioned between the convex space and the bottom periphery is an inclined section. Similarly, by such design, a shearing force can be formed on the lower rubber layer 24 between the lower pressure plate 21 and the seat plate 22, and the rigidity of the lower rubber layer 24 can be properly reduced to obtain a better vibration damping effect.

The damping hoisting element further comprises a mounting piece for mounting the vibration device in a suspension mode, wherein the mounting piece comprises a mounting plate 5 and mounting columns 6, the mounting plates 5 are located between the rubber pad 4 and the lower pressing plate 21, and the mounting columns 6 are integrally formed with the mounting plate 5 and respectively suspended on two sides of the mounting plate 5. The lower end of the mounting post 6 can be provided with external threads which are directly used for mounting the vibration device in a suspension manner.

Example two

As shown in fig. 3, it is different from the second embodiment in that mounting posts 6 for hanging-mounting the vibration device are provided on both sides of the lower pressure plate 21, and the mounting posts 6 are integrally formed with the lower pressure plate 21. This eliminates the need for the mounting plate 5 in the first embodiment, and prevents a rigid collision between the mounting plate 5 and the lower platen 21.

EXAMPLE III

As shown in fig. 4, the difference from the first and second embodiments is that there is no need to provide a rubber pad 4 below cup 12. This is particularly suitable for use when the vibration apparatus is heavy and suspended from an object that does not pitch violently.

Claims

1. A damping and hoisting element for a suspended mounting vibration device, characterized in that: comprises an upper vibration damping unit (1), a lower vibration damping unit (2) and a connecting piece (3); the upper vibration reduction unit (1) comprises an upper base body, an upper elastic piece positioned on the upper base body and an upper pressure plate (11) pressed on the upper elastic piece; the lower vibration reduction unit (2) comprises a lower seat body, a lower elastic piece positioned on the lower seat body and a lower pressure plate (21) positioned on the lower elastic piece; the upper end of the connecting piece (3) is connected with the upper pressure plate (11), and the lower end of the connecting piece is connected with the lower seat body; when the vibration device is used, the upper base body is fixedly arranged below the suspension installation position, and the vibration device is suspended on the lower pressing plate (21).

2. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 1, wherein: a rubber pad (4) is arranged between the upper seat body of the upper vibration damping unit (1) and the lower pressing plate (21) of the lower vibration damping unit (2).

3. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 2, wherein: the upper seat body is a cup-shaped seat (12) with an upward opening and is provided with a circular concave cup inner space, the center of the cup bottom is provided with a vertical through hole I (122), the upper end of the cup wall extends outwards and horizontally to form a mounting edge (121), and the mounting edge (121) is provided with vertical bolt holes (1211) distributed circumferentially.

4. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 3, wherein: the upper pressure plate (11) is disc-shaped, the connecting piece (3) is cylindrical, and the upper end of the connecting piece (3) is vertically connected with the upper pressure plate (11) in the center of the bottom end face of the upper pressure plate (11); the lower section of the cylindrical connecting piece (3) passes through a first through hole (122) at the bottom of the cup-shaped seat (12) from top to bottom and is suspended below the cup-shaped seat (12), and the upper pressing plate (11) is positioned at the upper part of the space in the cup of the cup-shaped seat (12); the upper elastic part is an upper rubber layer (13) formed by vulcanizing the bottom end surface of the upper pressing plate (11) and the cup bottom of the cup-shaped seat (12).

5. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 4, wherein: a gap is reserved between the inner wall of the first through hole (122) in the bottom of the cup-shaped base (12) and the periphery of the cylindrical connecting piece (3), and an upper radial rubber layer (14) integrated with the upper rubber layer (13) is formed between the first through hole (122) in the bottom of the cup-shaped base (12) and the cylindrical connecting piece (3) while the upper rubber layer (13) is formed through vulcanization.

6. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 4, wherein: the lower seat body is a round seat plate (22), the center of the upper surface of the lower seat body is provided with a core pipe (23) which is integrally connected with the seat plate (22), the core pipe and the seat plate (22) are provided with a second through hole (231) which is communicated up and down, the lower section of the connecting piece (3) can be inserted into the second through hole (231) from top to bottom, a section of the connecting piece is exposed downwards from the bottom end of the second through hole (231), a section of the connecting piece which is exposed downwards from the bottom end of the second through hole (231) is provided with external threads, and the seat plate (22) is limited at the lower end of the cylindrical connecting piece (3) through the external threads by a nut; the center of the lower pressure plate (21) is provided with a third through hole (211) which is sleeved on the periphery of the upper end of the core pipe (23); the lower elastic part is a lower rubber layer (24) formed between the bottom end surface of the lower pressing plate (21) and the lower pressing plate (21) through vulcanization.

7. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 6, wherein: and a gap is reserved between the inner wall of the through hole III (211) of the lower pressure plate (21) and the periphery of the core pipe (23), and a lower radial rubber layer (25) integrated with the lower rubber layer (24) is formed between the inner wall of the through hole III (211) and the periphery of the core pipe (23) while the lower rubber layer (24) is formed through vulcanization.

8. The vibration-damped hoisting element for a suspension-mounted vibratory apparatus of claim 6, wherein: the space between the upper pressure plate (11) and the cup bottom of the cup-shaped seat (12) is a concave space with a low middle part and a high periphery, and the section of an upper rubber layer (13) positioned between the upper pressure plate and the cup bottom is an inclined section; the space between the lower pressure plate (21) and the seat plate (22) is a convex space with a high middle part and a peripheral bottom, and the section of the lower rubber layer (24) positioned between the convex space and the peripheral bottom is an inclined section.

9. A vibration-damped hoisting member for use in the suspension mounting of vibration devices according to any one of claims 1-8, wherein: still include suspension type installation vibrating device's installed part, the installed part including be located mounting panel (5) between rubber pad (4) and holding down plate (21) and hang respectively in mounting panel (5) both sides with mounting panel (5) integrated into one piece's erection column (6).

10. A vibration-damped hoisting member for use in the suspension mounting of vibration devices according to any one of claims 1-8, wherein: the two sides of the lower pressing plate (21) are provided with mounting columns (6) for mounting the vibration device in a suspension mode, and the mounting columns (6) and the lower pressing plate (21) are integrally formed.