CN213981778U

CN213981778U - Combined type spring damping device

Info

Publication number: CN213981778U
Application number: CN202022891261.0U
Authority: CN
Inventors: 刘建权; 任红卫
Original assignee: Guangdong Jihua Kongyan Environmental Technology Co ltd
Current assignee: Guangdong Jihua Kongyan Environmental Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-17
Anticipated expiration: 2030-12-01

Abstract

The utility model belongs to the technical field of spring damping devices, in particular to a combined type spring damping device, which comprises a bottom plate, a supporting top plate and a buffer unit, wherein the supporting top plate is supported by the buffer unit and is erected above the bottom plate; the buffer unit comprises two support frames which are arranged on the bottom plate in an axial symmetry manner, an adjusting component for connecting the support frames and the support top plate, and at least two groups of elastic components arranged between the bottom plate and the support top plate; the elastic components comprise a main spring and an auxiliary spring which are sleeved from outside to inside in sequence, and the heights of the main spring and the auxiliary spring are reduced in sequence; two ends of the main spring are respectively connected to the supporting top plate and the bottom plate, one end of the auxiliary spring is connected with the bottom plate, and the other end of the auxiliary spring is freely arranged. The utility model discloses can strengthen the shock attenuation effect step by step in order to realize the shock attenuation to different intensity external forces, and satisfy the convenient adjustment initial time compression deformation of different use conditions, prevent the extension of the deformation time that the invalid deformation brought among the elasticity shock attenuation process.

Description

Combined type spring damping device

Technical Field

The utility model belongs to the technical field of spring damping device, especially, relate to a combined type spring damping device.

Background

The vibration damper is a vibration control device sensitive to displacement, is widely applied to large-scale mechanical equipment such as transformers, water chilling units, cooling towers, heat pump units and the like, and can effectively control vibration and swing of various frequencies. The common damping device for the existing mechanical equipment mainly has two structural forms, namely a spring damping type and a hydraulic damping type; the hydraulic damping type is formed by combining a hydraulic structure with a spring, so that the stability is good, but the cost is higher; the spring shock absorption type is generally that a spring is connected to the bottom of mechanical equipment, and the other end of the spring is connected with a base, so that the vibration of the air compressor is relieved to a certain extent, and the cost is low.

At present, the damping performance of the spring damping type damping device is fixed, for example, when external forces of different sizes are met, the spring damping device cannot exert different damping effects and cannot meet the damping requirements of different strengths. In addition, the left and right shaking is easy to continuously occur during the work, the noise reduction effect is not obvious, and the noise pollution to the use environment is easy to cause. Therefore, the existing spring damping type vibration damper generally has the defects of poor shock resistance or buffering effect, short service life, unsatisfactory noise reduction effect and the like.

Therefore, it is an urgent problem to optimize the structure of the conventional spring damping type vibration damping device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined type spring damping device aims at solving the antidetonation that spring damping device among the prior art exists or buffering effect is poor, life is short, noise reduction effect is unsatisfactory scheduling technical problem.

In order to achieve the above object, an embodiment of the present invention provides a combined spring damping device, including a bottom plate, a supporting top plate and a buffer unit between the bottom plate, the supporting top plate is supported by the buffer unit, and is erected above the bottom plate, and elastically compressed on the bottom plate under the action of external force. The structural design enables the device mounted on the supporting top plate to have a buffering and shock-absorbing function.

Optionally, the buffer unit includes two support frames axially symmetrically disposed on the bottom plate, an adjusting assembly connecting the support frames and the top support plate, and at least two sets of elastic assemblies disposed between the bottom plate and the top support plate, where the at least two elastic assemblies are disposed between the two support frames; the elastic components comprise a main spring and an auxiliary spring which are sleeved from outside to inside in sequence, and the heights of the main spring and the auxiliary spring are reduced in sequence; the two ends of the main spring are respectively connected to the supporting top plate and the bottom plate, one end of the auxiliary spring is connected with the bottom plate, and the other end of the auxiliary spring is freely arranged. This structural design plays the shock attenuation to different intensity external forces, strengthens antidetonation or buffering effect, increase of service life's effect.

Optionally, the elastic assembly further comprises a spring cover and a stop collar both made of rubber materials; the spring cover is arranged on the lower surface of the supporting top plate, the limiting sleeve is arranged on the upper surface of the bottom plate, two ends of the main spring are respectively connected to the spring cover and the limiting sleeve, and one end of the auxiliary spring is connected to the limiting sleeve. The structural design realizes the positioning and installation of the main spring and the auxiliary spring, and avoids the noise generated by a rigid contact part in the existing damping process.

Optionally, the main spring and the secondary spring are compression springs of cylindrical structure.

Optionally, the pitches of the primary spring and the secondary spring decrease in sequence. This structural design can reach reinforcing shock attenuation effect step by step.

Optionally, the adjusting assembly comprises an adjusting bolt and a limit nut, wherein the adjusting bolt penetrates through the supporting top plate and the supporting frame in sequence, and the limit nut is in threaded fit with the adjusting bolt; the supporting top plate and the supporting frame are respectively provided with a through hole which is convenient for the adjusting bolt to pass through, and the axes of the two through holes are superposed and are consistent with the running direction of the supporting top plate after being pressed. The structural design plays a role in adjusting the compression state of the elastic component in the initial state of the composite spring damping device according to different use conditions, so that the composite spring damping device achieves the optimal effective damping effect.

Optionally, the supporting frame is box-shaped, and one surface of the supporting frame facing the outer side is open. This structural design facilitates the adjustment operation of the adjustment assembly.

Optionally, the adjusting bolt is sleeved with two plastic pads, one of the plastic pads is arranged between the top end of the adjusting bolt and the supporting top plate, and the other plastic pad is arranged between the limiting nut and the supporting frame. This structural design avoids the noise that current shock attenuation in-process rigidity contact site produced.

Optionally, the bottom plate is provided with a fixing hole, and the lower surface of the bottom plate is provided with a rubber non-slip mat. The structural design further plays a role in buffering.

Optionally, the bottom plate and the top support plate are both of a square plate-like structure.

The embodiment of the utility model provides an among the combined type spring damping device above-mentioned one or more technical scheme have one of following technological effect at least:

1. adopt the supporting top board warp main spring reaches vice spring elastic mounting is in on the bottom plate, main spring with the vice spring overlaps each other and establishes, and highly reduces in proper order, and main spring with the pitch of vice spring reduces in proper order. Through the both ends of main spring are connected respectively the roof support with on the bottom plate, the one end of secondary spring with the bottom plate is connected, and its other end freely sets up, can realize the shock attenuation to different intensity external forces, and when external force increase, this combined type spring damping device can strengthen the shock attenuation effect step by step, improves the antidetonation or the buffering effect that current spring damping device exists, prolongs its life.

2. Adopt adjusting bolt passes in proper order behind the roof of supporting and the support frame, with stop nut screw-thread fit makes elastic component is under initial condition, and it is right to realize not having external effort under the regulation of main spring pressurized stroke, when satisfying the convenient adjustment of different in service behavior initial the compression deflection of main spring to reach the best effective shock attenuation effect, prevent in the elastic shock attenuation process the extension of the deformation time that the invalid deflection of main spring brought, and cause the efficiency that is unfavorable for this combined type spring damping device shock attenuation performance.

3. The spring cover and the stop collar which are made of rubber materials and the adjusting bolt are sleeved with the two plastic pads, so that noise generated by rigid contact parts in the existing damping process is avoided, and the problem that the noise reduction effect of the existing elastic damping device is not ideal is solved. In addition, the lower surface of the bottom plate is provided with a rubber non-slip mat, so that the buffering effect of the combined type spring damping device is further strengthened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a combined type spring damping device provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 labeled A;

fig. 3 is a front view of the combined spring damping device provided in the embodiment of the present invention;

fig. 4 is an exploded view of an elastic assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

1-bottom plate, 11-fixing hole, 12-rubber non-slip mat, 20-supporting top plate, 30-buffer unit, 31-supporting frame, 32-adjusting component, 321-adjusting bolt, 322-limiting nut, 323-plastic mat, 33-elastic component, 331-main spring, 332-auxiliary spring, 333-spring cover and 334-limiting sleeve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, a combined spring damping device is provided, which includes a bottom plate 10, a top support plate 20, and a buffer unit 30 disposed between the top support plate 20 and the bottom plate 10. In this embodiment, the bottom plate 10 and the top support plate 20 are both of a square plate structure, so that the combined spring damping device is generally suitable for being installed in equipment requiring damping and buffering, and the installation time in the installation process is reduced.

Further, the supporting top plate 20 is supported by the buffer unit 30, erected above the bottom plate 10, and elastically pressed against the bottom plate 10 under an external force. Specifically, as shown in fig. 2, a fixing hole 11 is formed in the bottom plate 10, so as to facilitate fastening connection with a device requiring damping and buffering through a fastening member. In order to further improve the buffering and damping functions of the combined type spring damping device and prevent the combined type spring damping device from shaking after fastening and connection, the combined type spring damping device can be realized by arranging the rubber anti-slip pad 12 on the lower surface of the bottom plate 10, and has the advantages of simple and practical design and low cost.

As shown in fig. 3, the buffer unit 30 includes two support frames 31 disposed on the bottom plate 10 in an axisymmetric manner, an adjusting component 32 connecting the support frames 31 and the top support plate 20, and at least two sets of elastic components 33 disposed between the bottom plate 10 and the top support plate 20, where at least two elastic components 33 are disposed between the two support frames 31. In this embodiment, the two support frames 31 are disposed at two ends of the bottom plate 10 in parallel, the number of the elastic assemblies 32 is two, and the two elastic assemblies 32 are symmetrically disposed at inner sides of the two support frames 31, and in the elastic deformation process of the elastic assemblies 32, the bottom plate 10, the top support plate 20, the support frames 31, and the adjusting assemblies 32 form a closed-loop structure, so that the elastic assemblies 33 are limited in the axial direction thereof to be elastically deformed, thereby enhancing the buffering and damping effects.

As shown in fig. 4, each of the elastic members 33 includes a main spring 331 and an auxiliary spring 332 sequentially sleeved from outside to inside, heights of the main spring 331 and the auxiliary spring 332 are sequentially reduced, and pitches of the main spring 331 and the auxiliary spring 332 are sequentially reduced. In this embodiment, the main spring 331 and the auxiliary spring 332 are compression springs of cylindrical structures; specifically, both ends of the main spring 331 are respectively connected to the supporting top plate 20 and the bottom plate 10, one end of the sub spring 332 is connected to the bottom plate 10, and the other end thereof is freely disposed; in the specific practice process, roof support 20 is used in under the exogenic action, wherein main spring 331 is compressed after at first the atress, plays one-level cushioning effect, makes if external force highly equals behind main spring 331's the compression deformation vice spring 332 when high, compressed after vice spring 332 atress plays second grade cushioning effect, the utility model discloses have multiple buffer structure, can exert different shock attenuation effects to different external forces, reinforce antidetonation or buffering effect, and can effectively prolong life's effect.

Further, the elastic assembly 33 further includes a spring cover 333 and a stop sleeve 334 both made of rubber. Specifically, the spring cover 333 is disposed on the lower surface of the top support plate 20, the stop collar 334 is disposed on the upper surface of the bottom plate 10, two ends of the main spring 331 are respectively connected to the spring cover 333 and the stop collar 334, and one end of the secondary spring 332 is connected to the stop collar 334. As described above, the bottom plate 10, the top support plate 20, the support frame 31, and the adjustment assembly 32 form a closed loop structure, so that the elastic assembly 33 is elastically deformed in the axial direction thereof, and the spring cover 333 and the stop sleeve 334 are disposed so that the main spring 331 and the sub spring 332 are positioned and mounted. In addition, because the spring cover 333 and the stop collar 334 are made of rubber materials, the main spring 331 and the auxiliary spring 332 are prevented from being in rigid contact with the supporting top plate 20 and the bottom plate 10 respectively, noise generated at rigid contact positions in a damping process is effectively reduced, and the purpose of reducing noise is achieved.

As shown in fig. 5, the adjusting assembly 32 includes an adjusting bolt 321 passing through the top support plate 20 and the support frame 31 in sequence, and a limit nut 322 in threaded engagement with the adjusting bolt. In this embodiment, the supporting top plate 20 and the supporting frame 31 are respectively provided with through holes through which the adjusting bolts 321 can pass, and the axes of the two through holes are coincident and are consistent with the running direction of the supporting top plate 20 after being pressed, so that the elastic component 33 can adjust the pressing stroke of the main spring 331 without external force in the initial state, thereby satisfying the requirement of different use conditions for conveniently adjusting the compression deformation amount of the main spring 331 in the initial state, so as to achieve the optimal effective damping effect, and preventing the deformation time caused by the invalid deformation amount of the main spring 331 in the elastic damping process from being prolonged, thereby causing the efficiency unfavorable for damping performance of the composite spring damping device.

Further, the adjusting bolt 321 is sleeved with two plastic pads 323, one of the plastic pads 323 is disposed between the top end of the adjusting bolt 321 and the supporting top plate 20, and the other plastic pad 323 is disposed between the limiting nut 322 and the supporting frame 31. Through the arrangement of the two plastic pads 323, the rigid contact between the top end of the adjusting bolt 321 and the supporting top plate 20 and the rigid contact between the limiting nut 322 and the supporting frame 31 are all achieved through soft contact, so that the elastic component 33 prevents the noise generated by the rigid contact of the rigid contact part in the process of restoring deformation, and further weakens the intensity of the noise.

Further, the supporting frame 31 is box-shaped, and one surface of the supporting frame facing the outside is open, and the structural design is used for facilitating the adjusting operation of the adjusting assembly 32.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A combined type spring damping device comprises a bottom plate, a supporting top plate and a buffer unit arranged between the supporting top plate and the bottom plate, wherein the supporting top plate is supported by the buffer unit, is erected above the bottom plate and is elastically pressed on the bottom plate under the action of external force; the method is characterized in that: the buffer unit comprises two support frames which are arranged on the bottom plate in an axial symmetry manner, an adjusting component for connecting the support frames and the support top plate, and at least two groups of elastic components which are arranged between the bottom plate and the support top plate, wherein at least two elastic components are arranged between the two support frames; the elastic components comprise a main spring and an auxiliary spring which are sleeved from outside to inside in sequence, and the heights of the main spring and the auxiliary spring are reduced in sequence; the two ends of the main spring are respectively connected to the supporting top plate and the bottom plate, one end of the auxiliary spring is connected with the bottom plate, and the other end of the auxiliary spring is freely arranged.

2. The composite spring shock absorbing device of claim 1, wherein: the elastic component also comprises a spring cover and a limiting sleeve which are made of rubber materials; the spring cover is arranged on the lower surface of the supporting top plate, the limiting sleeve is arranged on the upper surface of the bottom plate, two ends of the main spring are respectively connected to the spring cover and the limiting sleeve, and one end of the auxiliary spring is connected to the limiting sleeve.

3. The composite spring shock absorbing device of claim 2, wherein: the main spring and the auxiliary spring are compression springs with cylindrical structures.

4. The composite spring shock absorbing device of claim 3, wherein: the pitches of the main spring and the sub spring are sequentially reduced.

5. The composite spring shock absorbing device of claim 1, wherein: the adjusting assembly comprises an adjusting bolt and a limiting nut, wherein the adjusting bolt penetrates through the supporting top plate and the supporting frame in sequence, and the limiting nut is in threaded fit with the adjusting bolt; the supporting top plate and the supporting frame are respectively provided with a through hole which is convenient for the adjusting bolt to pass through, and the axes of the two through holes are superposed and are consistent with the running direction of the supporting top plate after being pressed.

6. The composite spring shock absorbing device of claim 5, wherein: the support frame is box-shaped, and its one side towards the outside is open.

7. The composite spring shock absorbing device of claim 6, wherein: the adjusting bolt is sleeved with two plastic pads, one plastic pad is arranged between the top end of the adjusting bolt and the supporting top plate, and the other plastic pad is arranged between the limiting nut and the supporting frame.

8. The composite spring damping device according to any one of claims 1 to 7, wherein: the bottom plate is provided with a fixing hole, and the lower surface of the bottom plate is provided with a rubber non-slip mat.

9. The composite spring shock absorbing device of claim 8, wherein: the bottom plate and the supporting top plate are both of square plate structures.