CN209943418U

CN209943418U - Buffering shock isolation device

Info

Publication number: CN209943418U
Application number: CN201920228085.7U
Authority: CN
Inventors: 施卫星; 朱辉; 施志国; 拜立岗; 周焕仁; 温丹
Original assignee: SHENZHEN SANSHRILL TECHNOLOGY CO LTD; Tongji University
Current assignee: SHENZHEN SANSHRILL TECHNOLOGY CO LTD; Tongji University
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-01-14
Anticipated expiration: 2029-02-22

Abstract

The utility model relates to a buffering shock isolation device belongs to and subtracts shock insulation technical field, has solved current shock isolation device and has used special materials such as rubber can't realize having the problem of good vertical shock insulation effect and horizontal shock insulation effect simultaneously. The buffer shock insulation device is used for reducing the shaking of the transported objects in the transportation process and comprises a vertical shock insulation unit for reducing the vertical shock, a transverse shock insulation unit for reducing the horizontal shock and a buffer device; the transverse shock insulation unit comprises a pulley, a steel wire rope and a storage device, wherein the transported object is placed in the storage device, the storage device is lifted up through the steel wire rope, and the steel wire rope penetrates through the pulley and then is connected with the vertical shock insulation unit; the transverse shock insulation unit is installed on the installation part, one end of the buffer device is connected with the storage device, and the other end of the buffer device is connected with the installation part. The utility model discloses a design through mechanical structure reaches good shock attenuation, shock insulation effect.

Description

Buffering shock isolation device

Technical Field

The utility model relates to an subtract shock insulation technical field, especially relate to a buffering shock isolation device.

Background

The earthquake disaster brings immeasurable life and property loss to human beings, and the shock insulation system is an ideal new earthquake-proof and disaster-proof technology for lightening the earthquake disaster, and shows better earthquake-proof capability than the traditional shock insulation in the earthquake.

Shock insulation is to reduce the earthquake reaction of the structure by reducing the rigidity of the structure and prolonging the self-vibration period of the structure, so as to ensure that the upper structure can still be in an elastic state or in an initial state of an elastic-plastic deformation state during a major earthquake.

The existing widely used vibration isolation device is a rubber vibration isolation support, but the qualified rubber vibration isolation support with low level rigidity is difficult to produce according to the prior art conditions. And the vertical earthquake action cannot be reduced or even amplified by the overlarge vertical rigidity of the rubber.

For some precise experimental instruments, equipment and the like, the measurement result is inaccurate due to the influence of vibration. Shock insulation is essential for fragile and fragile goods, since the goods may be damaged by the shock during transportation, resulting in an immeasurable loss.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, the utility model aims at providing a buffering shock isolation device for solve current shock isolation device and use special materials such as rubber can't realize having the problem of good vertical shock insulation effect and horizontal shock insulation effect simultaneously.

The purpose of the utility model is mainly realized through the following technical scheme:

the utility model provides a buffering and shock-isolating device, which is used for reducing the shaking of transported articles in the transportation process, and comprises a vertical shock-isolating unit for reducing the vibration in the vertical direction, a transverse shock-isolating unit for reducing the vibration in the horizontal direction and a buffer device, wherein the transverse shock-isolating unit comprises a pulley, a steel wire rope and a storage device, the transported articles are arranged in the storage device, the storage device is hoisted by the steel wire rope, and the steel wire rope is connected with the vertical shock-isolating unit after passing through the pulley;

the transverse shock insulation unit is installed on the installation part, one end of the buffer device is connected with the storage device, and the other end of the buffer device is connected with the installation part.

On the basis of the above scheme, the utility model discloses following improvement has still been made:

further, the transported object is partially or completely arranged in the storage device.

Further, the damping device includes a damper.

Further, the number of the dampers is at least 3, and the dampers are located in the same horizontal plane.

Further, the number of the pulleys is at least 3, and the pulleys are located in the same horizontal plane.

Further, the vertical shock insulation unit comprises a vertical shock absorber, an upper connecting plate and a lower connecting plate, one end of the vertical shock absorber is connected with the lower connecting plate, and the other end of the vertical shock absorber is connected with the upper connecting plate.

Further, the number of the vertical shock absorbers is at least 3, and the vertical shock absorbers are uniformly distributed between the upper connecting plate and the lower connecting plate.

Further, the vertical shock absorber is a spring.

Further, the installation part is a plurality of installation columns or a plurality of installation surfaces.

Further, the pulley is connected to the mounting portion through a pulley connecting member.

The utility model discloses can realize one of following beneficial effect at least:

(1) the utility model discloses not through the performance of improvement material, but realize the three-dimensional shock insulation of horizontal direction and vertical direction through mechanical structure.

(2) The horizontal vibration period (horizontal shock insulation period) of the structure can be conveniently changed by adjusting the length of the steel wire rope; by adjusting the number of the vertical shock absorbers, the vertical vibration period (vertical shock insulation period) of the structure can be conveniently changed, so that the structure vibration period is far away from a seismic resonance peak, and the seismic response of the structure is reduced.

(3) The utility model discloses the structure cycle after the adjustment far surpasss the shock insulation cycle of current rubber support to keep away from earthquake resonance peak more, and then effectively reduce structure earthquake response.

(4) The vertical shock absorber forms a whole through the upper connecting plate and the lower connecting plate, and effectively inhibits the swing response of transported articles.

(5) The utility model discloses a spring and wire rope shock attenuation do not have sealed and weeping scheduling problem, and simple structure has improved its reliability and durability greatly.

(6) The utility model discloses a shock isolation device belongs to passive control system, need not the input of external energy, and the construction technology is simple and convenient, and the security performance is high.

(7) The utility model discloses a three-dimensional shock isolation device range of application is wide, not only is applicable to the shock insulation of building, precision instruments, nuclear power station equipment, is applicable to the shock insulation in breakable, the perishable article transportation moreover.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

Fig. 1 is a schematic view of a suspension type buffering and shock isolating device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a three-dimensional seismic isolation device with a storage device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a three-dimensional seismic isolation device with a circular mounting post in the cross section according to an embodiment of the present invention;

FIG. 4 is a schematic view of a three-dimensional seismic isolation device with an installation surface according to an embodiment of the present invention;

fig. 5 is a schematic view of the three-dimensional seismic isolation device of the installation column with the I-shaped cross section according to the embodiment of the present invention.

Reference numerals:

1-the item to be transported; 2-a pulley; 3-a pulley connection; 4-a steel wire rope; 5, hanging baskets; 6-an upper connecting plate; 7-a vertical tension spring; 8-a lower connecting plate; 10-a through hole; 11-a storage device; 12-mounting posts; 13-a mounting surface; 14-a buffer device.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The transported object may be precision instruments, equipment, work platforms, control rooms, safety rooms, etc. which are sensitive to shocks such as earthquakes.

The utility model discloses a concrete embodiment discloses a suspension type buffering shock isolation device, as shown in fig. 1-5 for alleviate rocking of transported object in the transportation, including vertical shock isolation unit, horizontal shock isolation unit and buffer 14.

The vertical shock insulation unit is used for reducing the vibration of the transported object in the vertical direction, comprises a vertical tension spring 7 and is used for changing the vertical shock insulation period of the transported object 1. Exemplarily, the vertical damper may be a vertical tension spring 7. The vertical shock insulation unit further comprises an upper connecting plate 6 and a lower connecting plate 8.

Horizontal shock insulation unit is used for alleviateing horizontal direction vibrations, including pulley 2, wire rope 4 and storing device 11, is arranged in storing device 11 by transportation article 1, and storing device 11 hangs through wire rope 4, and wire rope 4 passes behind pulley 2 to be connected with upper junction plate 6.

One end of the buffer device 14 is connected with the storage device 11, and the other end is connected with the mounting part. The pulley 2 is fixed with the installation part through the pulley connecting piece 3, and the transported object 1 can be stably fixed with the installation part through the pulley connecting piece 3. The transverse seismic isolation unit is used for changing the transverse seismic isolation period of the transported object 1.

The transported object 1 of the embodiment is suspended and located above the vertical seismic isolation unit.

Compared with the prior art, the buffering shock isolation device that this embodiment provided passes through mechanical structure design, and not realize shock insulation, shock attenuation through using special materials such as rubber, shock insulation is effectual to this shock isolation device need not the input of external energy, and construction technology is simple and convenient, and the security performance is high.

Specifically, the period of the seismic formants in the region can be known according to the historical data of earthquakes in different regions. Theoretically, the natural period of the designed vibration isolation device is greatly different from the vibration period to prevent resonance and further realize vibration isolation, the natural period of the vibration isolation device is usually obviously larger than the vibration period in actual design, and the overlarge natural period can increase the vibration amplitude of the vibration isolation device and is not beneficial to vibration isolation although the shock of the buffering effect and acceleration can be reduced. The embodiment of the utility model provides a factor that has reduced acceleration shock and reduced vibration range has been synthesized to the consideration, is 3 ~ 8s with the horizontal vibration natural period design of suspension type three-dimensional shock isolation device, designs vertical vibration natural period 1 ~ 2 s.

Illustratively, the natural period of horizontal vibration of the vibration isolation device is 3-4 s, and the natural period of vertical vibration is 1.2-1.5 s.

When the vibration occurs, the ground applies force to the lower connecting plate 8, and the transverse shock insulation period and the vertical shock insulation period of the transported object 1 are far away from the period of the seismic resonance peak, so that the transported object 1 and seismic waves cannot resonate, and the damage of the seismic action to the transported object 1 is reduced.

Assuming that the required transverse shock insulation period T is 4s, according to the formula

The pendulum length l ═ g (T/2 pi) can be obtained²＝9.8×(4/2π)²4 meters, the shock insulation period can be conveniently adjusted by adjusting the pendulum length.

In order to increase the integrity of the system, in the vertical shock insulation unit of the buffer shock insulation device, one end of a vertical tension spring 7 is connected with a lower connecting plate 8, and the other end of the vertical tension spring is connected with an upper connecting plate 6, so that the vertical tension spring 7 forms a whole through the upper connecting plate 6 and the lower connecting plate 8, and the swinging response of the structure is effectively inhibited.

When actually meetting vibrations, by transportation article 1 translation vibrations probably take place, also can take place the swing, and if the position of hanging flower basket 5 is less than by when the position of transportation article 1 barycenter, by transportation article 1 unstability, sway easily, so in the embodiment of the utility model, the position of hanging flower basket 5 should not be less than by the barycenter position of transportation article 1. Considering that the position of the basket 5 is too high, which may result in poor lateral vibration isolation effect of the damping system, the present embodiment selects the position of the basket 5 to be slightly higher than or equal to the centroid position of the transported object 1. Exemplarily, the height of the position of the gondola 5 above the position of the centre of mass may be more than 0.02 times the height of the transported item 1.

It should be emphasized that, when the buffering and shock-isolating device of the embodiment is used for shock isolation during transportation and shock isolation of precision experimental equipment in a laboratory, the mounting part can be a plurality of mounting columns 12 with circular or I-shaped cross sections, namely, each pulley 2 of the transverse shock-isolating unit is mounted on one mounting column 12, and as shown in fig. 3 and 5, the transported object 1 is placed in the inner space formed by the plurality of mounting columns 12.

Illustratively, the mounting part can also be a plurality of mounting surfaces 13, as shown in fig. 4, each mounting surface 13 is provided with a pulley 2, and the transported object 1 is placed in the inner space formed by the mounting surfaces 13.

It should be noted that, when the transported object 1 is a fragile and easily damaged object, it is not convenient to fix the cradle to the outer surface of the transported object, on one hand, in order to lift the transported object through the steel wire rope and on the other hand, not to damage the transported object, a storage device 11 may be provided, the fragile and easily damaged transported object is placed in the storage device 11, and the storage device 11 is lifted through the steel wire rope 4, so as to lift the transported object, as shown in fig. 2.

When the vibration isolation device is used for vibration isolation in the transportation process, the vibration isolation frequency is adjusted according to the road surface condition. In order to reduce vibration, the three-dimensional seismic isolation device of the embodiment is further provided with a buffer device between the hanging basket and the mounting part, as shown in fig. 5. The damping device may be a damper, for example.

In order to facilitate leveling of the transported object 1, the number of the pulleys in this embodiment is plural, and obviously, the plural pulleys should be uniformly distributed on the plural mounting portions. Illustratively, the number of pulleys is 3 or more, preferably 3. In order to quickly level the transported object 1, in this embodiment, 3 pulleys are positioned in the same horizontal plane during installation.

The pulley 2 can have a certain friction coefficient, and the friction coefficient is adjusted to increase the vertical vibration damping ratio, so that the displacement of the hanging basket 5 relative to the installation part can be reduced, and the shock insulation and shock absorption effects are further improved.

Because the utility model discloses a quantity through adjustment vertical extension spring 7 changes vertical shock insulation cycle, so, vertical extension spring 7's quantity is a plurality of. Preferably 3 or more. In order to be stressed transversely and play a good role in changing the vertical shock insulation period, the vertical tension springs 7 of the embodiment are uniformly distributed between the upper connecting plate 6 and the lower connecting plate 8.

Considering that the upper connecting plate 6, the lower connecting plate 8 and the vertical tension spring therebetween are connected into a whole, and the upper connecting plate 6 is connected with the steel wire rope 4, if the lower connecting plate 8 is not fixed on the basis, when an earthquake or an explosion occurs, the buffering and shock-isolating device is unstable, so that the shock isolating and shock absorbing effects of the system can be seriously influenced. Therefore, in this embodiment, a plurality of through holes 10 for fixing the lower connecting plate are reserved on the lower connecting plate 8, and bolts penetrate through the through holes 10 to fixedly connect the lower connecting plate 8 with the foundation.

Example one

The suspension type three-dimensional shock isolation device of the embodiment is composed of a lower connecting plate 8, an upper connecting plate 6, a vertical tension spring 7, a mounting column 12, a transported object 1, a pulley block 2, a steel wire rope 4 and a hanging basket 5. The transported object 1 is subjected to three-dimensional shock insulation through a hanging basket 5, a steel wire rope 4, a pulley 2, an upper connecting plate 6, a vertical spring 7 and a lower connecting plate 8, as shown in figures 1-3.

The upper connecting plate 6 is connected with the steel wire rope 4, and the lower connecting plate 8 is connected with the foundation; a vertical tension spring 7 is arranged between the upper connecting plate 6 and the lower connecting plate 8 and used for vertical shock absorption, and the number of the tension springs 7 can be adjusted according to actual conditions; the tension spring 7 is connected into a whole through the upper connecting plate 6 and the lower connecting plate 8, so that the integrity of the system is improved, and the swing response of the system can be effectively reduced. Transported articles 1 are connected with the steel wire rope 4 through the hanging basket 5, and the position of the hanging basket 5 is slightly higher than the position of the mass center of the transported articles 1, so that the stability of the structure 1 is ensured. After the steel wire rope 4 is connected with the hanging basket 5, the steel wire rope is connected with the upper connecting plate 6 through the pulley 2, so that horizontal shock insulation of the transported object 1 is realized, and the shock insulation period can be adjusted through the length of the steel wire rope 4.

The lower connecting plate 8 is reserved with a lower connecting hole 10 to be connected with the foundation, and construction and installation are convenient and fast. The pulley 2 is fixed to the mounting portion 12 by a pulley coupling 3.

To sum up, compared with the prior art, the suspension type three-dimensional shock isolation device provided by the embodiment of the utility model can conveniently adjust the horizontal shock isolation period and the vertical shock isolation period, and can realize a very large horizontal shock isolation period by adjusting the length of the steel wire rope 4, thereby realizing a better horizontal shock isolation effect; the vertical shock insulation effect is better realized by adjusting the number and the rigidity of the vertical tension springs 7, and the shock insulation device has the characteristics of large shock insulation period, low manufacturing cost, excellent weather resistance, simple structure, safety, reliability and the like.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A buffering and shock-isolating device is characterized by being used for reducing the shaking of a transported article in the transportation process, and comprising a vertical shock-isolating unit for reducing the vertical shock, a transverse shock-isolating unit for reducing the horizontal shock and a buffer device, wherein the transverse shock-isolating unit comprises a pulley, a steel wire rope and a storage device;

the pulley is installed on the installation department, buffer's one end with the storing device is connected, the other end with the installation department is connected.

2. The buffer shock isolation device as claimed in claim 1, wherein the transported object is partially or completely placed in the storage device.

3. A seismic isolation apparatus as claimed in claim 1 or 2, wherein said cushioning apparatus comprises a damper.

4. The buffer vibration isolation device as claimed in claim 3, wherein the number of the dampers is at least 3, and the dampers are located in the same horizontal plane.

5. The buffer shock isolation device as claimed in claim 1, wherein the number of the pulleys is at least 3, and the pulleys are located in the same horizontal plane.

6. The buffer shock-isolation device as claimed in claim 1, wherein the vertical shock-isolation unit comprises a vertical shock absorber, an upper connecting plate and a lower connecting plate, one end of the vertical shock absorber is connected with the lower connecting plate, and the other end is connected with the upper connecting plate.

7. The buffer shock-isolation device as claimed in claim 6, wherein the number of the vertical shock absorbers is at least 3 and is uniformly distributed between the upper connecting plate and the lower connecting plate.

8. The cushioned seismic isolation assembly of claim 7 wherein said vertical shock absorbers are springs.

9. The cushioning and shock isolation apparatus of claim 1, wherein the mounting portion is a plurality of mounting posts or a plurality of mounting surfaces.

10. The apparatus as claimed in any one of claims 1-2 and 4-9, wherein the pulley is connected to the mounting portion by a pulley connection member.