CN210106482U - Buffering shock isolation device based on suspension structure - Google Patents
Buffering shock isolation device based on suspension structure Download PDFInfo
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- CN210106482U CN210106482U CN201920223898.7U CN201920223898U CN210106482U CN 210106482 U CN210106482 U CN 210106482U CN 201920223898 U CN201920223898 U CN 201920223898U CN 210106482 U CN210106482 U CN 210106482U
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Abstract
The utility model relates to a buffering shock isolation device based on suspended structure belongs to and subtracts the shock insulation field, solves current shock isolation device and is difficult to compromise the technical problem of horizontal plane and vertical direction shock insulation. The buffer shock isolation device based on the suspension structure comprises an installation frame, the suspension structure, a swing rod, a hanging basket and a damping unit; the mounting rack is a frame with a circular or regular polygon section; the suspension structure can perform shock insulation in the vertical direction and is fixedly connected with the mounting frame; one end of the swing rod is connected with the suspension structure, and the other end of the swing rod is connected with the hanging basket; the damping unit is provided with at least 1 group, and each group comprises at least 3 dampers; one end of the damper is connected with the hanging basket, and the other end of the damper is connected with the inner wall of the mounting rack; the hanging basket is used for connecting a target object to be isolated. The utility model discloses a very big horizontal shock insulation cycle can be realized to adjustment pendulum rod length, realizes better horizontal shock insulation effect, has that the shock insulation cycle is big, the cost is low, weatherability is excellent, characteristics such as simple structure, safe and reliable.
Description
Technical Field
The utility model relates to an subtract shock insulation technical field, especially relate to a buffering shock isolation device based on suspended structure.
Background
Earthquake disasters bring immeasurable life and property losses to human beings, and a shock insulation system shows better shock resistance than the traditional shock insulation in earthquakes and is widely used at present. The prior widely used rubber shock insulation support has great difficulty in producing qualified rubber shock insulation support with low level rigidity 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. And for some special structures, a large vibration isolation period is often needed. For a shock insulation system, vertical earthquake action, explosion and other vertical impact loads have great influence on the safety of the structure
SUMMERY OF THE UTILITY MODEL
In view of the foregoing analysis, the present invention is directed to a suspension structure-based buffer seismic isolation device for solving the problem that the conventional seismic isolation device is difficult to take into account horizontal plane and vertical direction seismic isolation.
The purpose of the utility model is mainly realized through the following technical scheme:
in the technical scheme of the utility model, the buffering and shock isolating device based on the suspension structure comprises a mounting frame, the suspension structure, a swing rod, a hanging basket and a damping unit;
the mounting rack is a frame with a circular or regular polygon section; the suspension structure can perform shock insulation in the vertical direction and is fixedly connected with the mounting frame; one end of the swing rod is connected with the suspension structure, and the other end of the swing rod is connected with the hanging basket; the damping unit is provided with at least 1 group, and each group comprises at least 3 dampers; one end of the damper is connected with the hanging basket, and the other end of the damper is connected with the inner wall of the mounting rack; the hanging basket is used for connecting a target object to be isolated;
the horizontal plane vibration inherent period and the vertical vibration inherent period of the buffer shock isolation device based on the suspension structure are respectively 3s-4s and 1.2s-1.5 s.
The utility model discloses among the technical scheme, the attenuator of same group evenly sets up along the inner wall circumference of mounting bracket, and the attenuator of same group is located same horizontal plane.
The utility model discloses among the technical scheme, the attenuator is equipped with 2 groups: one group of dampers are connected with the edge of the upper end face of the hanging basket, and the other group of dampers are connected with the edge of the lower end face of the hanging basket.
The utility model discloses among the technical scheme, suspended structure includes: the shock insulation device comprises an upper spring plate, a shock insulation spring and a lower spring plate;
the number of the shock insulation springs is at least 3, and two ends of each shock insulation spring are fixedly connected with the upper spring plate and the lower spring plate respectively;
the upper spring plate is fixedly connected with the inner wall of the mounting rack; the lower spring plate is connected with the swing rod.
In the technical scheme of the utility model, the shock insulation springs are evenly arranged along the circumferential direction of the inner wall of the mounting rack;
when the shock insulation spring is in a free state, the upper spring plate and the lower spring plate are both in a horizontal state.
In the technical scheme of the utility model, the upper spring plate is fixedly connected with the inner wall of the mounting frame through a connecting block;
the spring upper plate and the inner wall of the mounting frame are connected with the connecting block through bolts;
and bolt connecting holes are reserved in the inner wall of the mounting frame.
In the technical scheme of the utility model, 3 swing rods are arranged and evenly arranged along the circumferential direction of the inner wall of the mounting rack;
the swing rod is connected with the suspension structure and the hanging basket through universal hinges.
The utility model discloses among the technical scheme, the mounting bracket cross-section is regular polygon, and the limit number is N, and the hanging flower basket is the same with the shape of mounting bracket, and the number of the attenuator of every group damping unit is the integral multiple of N, and the attenuator number that every edge of regular polygon set up equals.
The utility model discloses among the technical scheme, the cross-sectional shape of mounting bracket is circular.
The utility model discloses among the technical scheme, the cross-sectional shape of hanging flower basket is regular polygon or circular, and the axis collineation of hanging flower basket and mounting bracket.
The utility model discloses technical scheme can realize one of following effect at least:
1. the utility model discloses a spring comes vertical shock insulation, adopts the pendulum rod to come horizontal direction shock insulation, wholly belongs to passive control device, need not the input of external energy, and the construction technology is simple and convenient, and the security performance is high.
2. Adopt spring and pendulum rod shock attenuation, the simple structure, each part all adopts the unification design, makes things convenient for batch production processing, has reduced the degree of difficulty of installation and maintenance, and the security is high, has improved its reliability and durability greatly.
3. The utility model discloses possible three-dimensional shock insulation. The shock insulation period can be conveniently adjusted by adjusting the length of the oscillating bar in the horizontal direction, and the shock insulation period far exceeding that of the conventional rubber support can be obtained. Vertical through vertical spring carry out the shock attenuation, vertical spring can be according to actual conditions adjustment quantity and rigidity, simple swift.
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 buffer and shock isolation device based on a suspension structure of the present invention;
FIG. 2 is a cross-sectional view of the buffering and shock isolating device A-A based on the suspension structure of the present invention;
fig. 3 is a B-B sectional view of a suspension structure-based buffer and shock isolation device of the present invention.
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 terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.
The embodiment of the utility model provides a be applied to subtracting the shock insulation field, treat that shock insulation target object 1 can be accurate instrument, needs shockproof equipment, work platform, control room, safe room etc. usually. The objects 1 to be isolated are usually sensitive to earthquake and other vibration, and bring immeasurable life and property loss to operators and operation equipment.
The prior art usually adopts rubber shock insulation support, fixes and supports through rubber shock insulation support and treats shock insulation target object 1, can cause the three-dimensional vibrations of horizontal plane and vertical direction when considering that the earthquake takes place, consequently, rubber shock insulation support needs to have three-dimensional shock insulation effect simultaneously concurrently. However, the rubber material is difficult to be made into a material with low horizontal rigidity and high vertical rigidity, and the low rigidity is beneficial to shock insulation, so that the two-dimensional shock insulation effect in the horizontal plane is better, but the shock insulation effect in the vertical direction is slightly poor. Considering that rubber shock insulation support still needs to play the effect of supporting, vertical rigidity can not hang down excessively, consequently vertical direction is difficult to have supporting effect and shock insulation effect concurrently, for the supporting effect who guarantees rubber materials, can only give up the shock insulation effect of vertical direction to a certain extent, in addition the restriction of current rubber production technology, rubber materials's horizontal rigidity also can be great, corresponding horizontal direction's shock insulation effect also can receive great negative effect. That is, the rubber-vibration isolating support needs to use a rubber material having a low horizontal rigidity and a vertical rigidity at least satisfying a supporting effect, but it is difficult to produce such a rubber material with the existing production and manufacturing techniques.
The embodiment of the utility model provides a breakthrough adopted mechanical structure to realize the shock insulation effect, it is concrete, the embodiment of the utility model provides a buffering shock isolation device based on suspended structure, include: the device comprises an installation frame 2, a suspension structure, a swing rod, a hanging basket and a damping unit; the mounting frame 2 is a frame with a circular or regular polygon section; the suspension structure can perform shock insulation in the vertical direction and is fixedly connected with the mounting frame 2; one end of the swing rod is connected with the suspension structure, and the other end of the swing rod is connected with the hanging basket; the damping unit is provided with at least 1 group, and each group comprises at least 3 dampers; one end of the damper is connected with the hanging basket, and the other end of the damper is connected with the inner wall of the mounting rack 2; the hanging basket is used for connecting a target object to be isolated. The suspension structure, namely the swing rod 8 and the hanging basket 9, suspends the target object 1 to be isolated in the mounting frame 2, when vibration in the horizontal direction occurs, the swing rod 8 swings to drive the hanging basket 9 to move relative to the inner wall of the mounting frame 2, and the damper 10 can reduce the displacement of the hanging basket 9 relative to the mounting frame 2, so that the isolation of the horizontal plane is realized. In practical use, the mounting bracket 2 is not limited to a frame with a circular or regular polygon cross section, but may have other shapes, and the cross section of the mounting bracket 2 is preferably circular or regular polygon in consideration of enabling the vibration amplitude and the vibration isolation effect of the object to be isolated in each direction of the horizontal plane to be the same as much as possible.
The embodiment of the utility model provides a break traditional shock isolation device through adopting special materials such as rubber to utilize the mechanical properties of material to realize the thinking fixed mode of shock insulation, adopt mechanical structure to realize shock insulation, in addition, compare in the shock isolation device of other mechanical structure class also need not the additional energy, directly realize passive type shock insulation through the swing of pendulum rod 8 and the combination of attenuator 10, the security is higher, and the construction is simple and convenient.
The suspension structure uses a device capable of vertically isolating, can adopt the existing isolation bearing and also can adopt other structures with vertical isolation functions. Consider the restriction in the use of materials such as rubber, the embodiment of the utility model provides an adopt mechanical structure to realize the shock insulation of vertical direction equally, and is concrete, and suspended structure includes: spring upper plate 5, isolation spring 6 and spring lower plate 7. The spring upper plate 5 is fixedly connected with the inner wall of the mounting frame 2, so that the object 1 to be isolated can be stably fixed with the mounting frame 2 through the suspension structure. Spring hypoplastron 7 is connected with pendulum rod 8, the both ends of shock insulation spring 6 respectively with spring upper plate 5 and spring hypoplastron 7 fixed connection, spring hypoplastron 7 receives the pulling force that pendulum rod 8 transmitted, can stretch shock insulation spring 6, can remain the parallel for spring upper plate 5 and spring hypoplastron 7 throughout, and then guarantee the shock insulation function of suspended structure's vertical direction, improve the wholeness of motion, shock insulation spring 6 is equipped with 3 at least, obvious shock insulation spring 6 should arrange and form polygonal structure, and not linear arrangement, prevent spring hypoplastron 7 upset. Illustratively, the upper spring plate 5 and the lower spring plate 7 are both circular rings, and 6 shock insulation springs 6 are arranged.
The utility model discloses the suspension structure of implementing realizes the shock insulation function of vertical direction through shock insulation spring 6, realizes the two-dimensional shock insulation function of horizontal plane through the combination of pendulum rod 8 and attenuator 10, and the two combines, can realize three-dimensional space shock insulation function, and simple structure, the security is high, has improved its reliability and durability greatly.
Considering treating the installation and the shape of shock insulation target object 1, reserving the great space for treating shock insulation target object 1 as far as possible simultaneously under the prerequisite of guaranteeing the shock insulation effect, suspension structure, hanging flower basket 9 all leave the hole, treat that shock insulation target object 1 should leave fixed knot and construct, make the fixed knot who treats shock insulation target object 1 can pass the hole of suspension structure and hanging flower basket 9, guarantee the function of hanging.
For the two-dimentional shock insulation effect in the further improvement horizontal plane, in the embodiment of the utility model, be located same horizontal plane with a set of attenuator 10, can guarantee that the power that produces with a set of attenuator 10 can be used in same horizontal plane, can not produce the moment that makes the hanging flower basket 9 upset, and the same inboard wall circumference of installing frame 2 of edge of a set of attenuator 10 evenly sets up, can guarantee that the ascending shock insulation effect of all directions in the horizontal plane is the same.
In view of the stability of the basket 9, the basket 9 should be a spatial cylindrical structure, but may be other shapes, and in order to ensure the stability, the basket 9 should at least comprise an upper end surface and a lower end surface. Exemplarily, hanging flower basket 9 includes up end, lower terminal surface and spliced pole, and the up end is the annular with lower terminal surface, and is parallel to each other to connect through a plurality of spliced poles, the spliced pole is evenly set up along 2 inner wall circumference of mounting bracket. In order to make the better angle of hanging flower basket 9's shock insulation effect, the embodiment of the utility model provides an in, all set up attenuator 10 at the up end of hanging flower basket 9 and lower terminal surface, specific attenuator 10 is equipped with 2 groups: one group of dampers 10 are connected with the edge of the upper end face of the hanging basket 9, and the other group of dampers 10 are connected with the edge of the lower end face of the hanging basket 9. Illustratively, each set has 4 dampers 10, and the dampers are evenly arranged along the circumference of the inner wall of the mounting frame 2.
It should be specially noted that, if the cross section of the mounting frame 2 is a regular polygon, the number of sides is N, the shape of the hanging basket is the same as that of the mounting frame 2, the number of the dampers 10 of each group of damping units is an integral multiple of N, and the number of the dampers 10 arranged on each side of the regular polygon is equal. Preferably, one damper 10 is arranged at each fixed point of the regular polygon, the other dampers 10 on each side are uniformly distributed, and the specific number of the dampers 10 can be set according to the required damping size.
Equally for the two-dimentional shock insulation effect in the further improvement horizontal plane, the embodiment of the utility model provides an in, shock insulation spring 6 evenly sets up along 2 inner wall circumference of mounting bracket, and when shock insulation spring was in free state, spring upper plate 5 and spring hypoplastron 7 all were in the horizontality for 7 when being promoted downwards at the spring hypoplastron, the effort of every spring is the same, and effort and the effect point central symmetry of all directions in the horizontal plane, can also prevent to make shock insulation spring 6 damage or make 7 upsets of spring hypoplastron because of the moment that asymmetric caused.
Consider that single pendulum rod 8's bearing capacity is limited, treat moreover that shock insulation target 1 probably needs to pass linkage and hanging flower basket 9, pendulum rod 8 should not set up the utility model discloses the axis department, consequently, the embodiment of the utility model provides an in, pendulum rod 8 is equipped with 3, evenly sets up along 2 inner wall circumference of mounting bracket. The 3 swing rods 8 ensure the stability of the hanging basket 9 and are beneficial to leveling the hanging basket 9 in the installation process; if 2 swing rods 8 are used, it is difficult to enable the hanging basket 9 to be stably suspended; if use more than 4 root pendulum rods 8, not only increased the leveling degree of difficulty of hanging flower basket 9, moreover, every pendulum rod 8's atress condition is possible diverse, and the great pendulum rod 8's of atress life can shorten greatly to influence the utility model discloses the safety and stability nature. Illustratively, one end of the swing rod 8 is connected with the lower plate 7 of the annular spring, and the other end is connected with the upper end face of the annular hanging basket 9.
Because when treating shock insulation target object 1 and receiving the vibrations in the horizontal plane, pendulum rod 8 and hanging flower basket 9 form the structure similar to the simple pendulum, and the swing in the horizontal plane is the one-dimensional swing of two-dimentional swing rather than the line type moreover, consequently the embodiment of the utility model provides an in, the one end of pendulum rod 8 is connected through universal hinge with spring hypoplastron 7, and the other end is connected through universal hinge with hanging flower basket 9. Illustratively, the universal hinge may take the form of a ball hinge or a cross hinge.
When actually meetting vibrations, treat that shock insulation target 1 can take place translation vibrations, also can take place the swing, especially treat under shock insulation target 1 leaves fixed knot structure's the condition, in order to prevent to treat shock insulation target 1 and take place the swing, the embodiment of the utility model provides an in, treat that the focus of shock insulation target 1 is not higher than the center of hanging flower basket 9, consider the installation degree of difficulty of reality, treat that the focus of shock insulation target 1 should be a little less than the center of hanging flower basket 9 or with the center parallel and level of hanging flower basket 9. It should be noted that although the pendulum bar 8 swings like a simple pendulum, the basket 9 moves in a translational manner since the pendulum bar 8 and the basket 3 are both connected to the basket 9.
The utility model discloses before the in-service use, the shock insulation spring 6 and the number of every group attenuator 10 and the length of pendulum rod 8 all can be confirmed through the shock insulation demand of reality. Different soil, the rock of 2 places of mounting bracket can influence the vibrations cycle when the earthquake produces, the natural cycle when shock isolation device design under the normal conditions should differ great with the vibrations cycle to prevent resonance and then realize the shock insulation, make the natural cycle of shock isolation device obvious be greater than the vibrations cycle during actual design usually, nevertheless too big natural cycle can increase the impact that buffering effect reduces the acceleration, but can increase shock isolation device's vibration amplitude, be unfavorable for the shock insulation equally. The embodiment of the utility model comprehensively considers the factors of reducing acceleration impact and vibration amplitude, and the horizontal plane vibration natural period of the buffer shock isolation device based on the suspension structure is 3s-4 s; the natural period of vertical vibration of the buffering and shock-isolating device based on the suspension structure is 1.2s-1.5 s. The length of the swing rod 8 can influence the horizontal plane vibration inherent period of the buffer shock-isolation device based on the suspension structure, the calculation process can refer to the simple pendulum period, the parameters and the number of the dampers 10 can influence the vibration amplitude in the horizontal plane, the rigidity and the number of the springs can influence the vertical vibration inherent period and the vibration amplitude of the buffer shock-isolation device based on the suspension structure, and the calculation process can refer to the period of simple harmonic vibration.
For the convenience the utility model discloses the installation of embodiment, the utility model discloses whole be class cylinder structure and the utility model discloses suspension structure, pendulum rod 8, hanging flower basket 9, attenuator 10 of embodiment use the axis separately as central line rotational symmetry. Make the length mechanical properties homogeneous phase of every spring, every attenuator 10's structure and performance parameter homogeneous phase, every pendulum rod 8's shape homogeneous phase, made things convenient for the mass production manufacturing of each part, also be convenient for the utility model discloses the installation of embodiment.
In addition, in the embodiment of the present invention, the upper spring plate 5 is fixedly connected to the inner wall of the mounting frame 2 through the connecting block 3; the spring upper plate 5 and the inner wall of the mounting rack 2 are connected with the connecting block 3 through bolts 4. The shape of the connecting block 3 is not limited, and the spring upper plate 5 and the mounting frame 2 can be connected at the same time, and for example, an angle iron, a triangular block, a square block and the like can be adopted. For convenience will the embodiment of the utility model provides a fixed with the inner wall of mounting bracket 2, when excavating mounting bracket 2, need reserve the screw hole at the inner wall of mounting bracket 2 for with 3 threaded connection of connecting block.
To sum up, the embodiment of the utility model provides a buffering shock isolation device based on suspended structure compares with prior art, the utility model discloses adjustment level shock insulation cycle and vertical shock insulation cycle that can be very convenient can realize very big level shock insulation cycle through 8 lengths of adjustment pendulum rod moreover, realize better level shock insulation effect, have that the shock insulation cycle is big, the cost is low, weatherability is excellent, characteristics such as simple structure, safe and reliable.
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 (8)
1. A buffer and shock isolation device based on a suspension structure is characterized by comprising an installation frame (2), the suspension structure, a swing rod (8), a hanging basket (9) and a damping unit;
the mounting rack (2) is a frame with a circular section; the suspension structure can perform shock insulation in the vertical direction and is fixedly connected with the mounting rack (2); one end of the swing rod (8) is connected with the suspension structure, and the other end of the swing rod is connected with the hanging basket (9); the damping unit is provided with at least 1 group, and each group comprises at least 3 dampers (10); one end of the damper (10) is connected with the hanging basket (9), and the other end of the damper is connected with the inner wall of the mounting rack (2); the hanging basket (9) is used for connecting a target object (1) to be isolated; the hanging basket (9) is collinear with the axis of the mounting rack (2); holes are formed in the suspension structure and the hanging basket, and a target object to be isolated penetrates through the holes;
the horizontal plane vibration natural period and the vertical vibration natural period of the buffering and shock-isolating device based on the suspension structure are respectively 3s-4s and 1.2s-1.5 s.
2. The suspension structure-based buffer and isolation device according to claim 1, wherein the dampers (10) in the same group are uniformly arranged along the circumferential direction of the inner wall of the mounting frame (2), and the dampers (10) in the same group are located on the same horizontal plane.
3. Suspension structure based buffer isolation installation according to claim 2, characterized in that the dampers (10) are provided with 2 sets: one group of dampers (10) are connected with the edge of the upper end face of the hanging basket (9), and the other group of dampers (10) are connected with the edge of the lower end face of the hanging basket (9).
4. The suspension-based cushioned seismic isolation assembly of claim 1 wherein said suspension structure comprises: the shock insulation device comprises an upper spring plate (5), a shock insulation spring (6) and a lower spring plate (7);
at least 3 shock insulation springs (6) are arranged, and two ends of each shock insulation spring (6) are fixedly connected with the upper spring plate (5) and the lower spring plate (7) respectively;
the spring upper plate (5) is fixedly connected with the inner wall of the mounting rack (2); the spring lower plate (7) is connected with the swing rod (8).
5. The suspension structure-based buffer and shock isolation device is characterized in that the shock isolation springs (6) are uniformly arranged along the circumferential direction of the inner wall of the mounting frame (2);
when the shock insulation spring is in a free state, the upper spring plate (5) and the lower spring plate (7) are both in a horizontal state.
6. The suspension structure-based buffer and isolation device is characterized in that the upper spring plate (5) is fixedly connected with the inner wall of the mounting frame (2) through a connecting block (3);
the spring upper plate (5) and the inner wall of the mounting rack (2) are connected with the connecting block (3) through bolts (4);
and a bolt (4) connecting hole is reserved in the inner wall of the mounting frame (2).
7. The suspension structure-based buffer and shock isolation device according to any one of claims 1 to 6, wherein 3 swing rods (8) are uniformly arranged along the circumferential direction of the inner wall of the mounting frame (2);
the swing rod (8) is connected with the suspension structure and the hanging basket (9) through universal hinges.
8. The suspension structure-based buffering and shock-isolating device according to any one of claims 1 to 6, wherein the cross section of the mounting frame (2) is a regular polygon, the number of sides is N, the shape of the hanging basket is the same as that of the mounting frame (2), the number of the dampers (10) of each damping unit group is an integral multiple of N, and the number of the dampers (10) arranged on each side of the regular polygon is equal.
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| CN201920223898.7U CN210106482U (en) | 2019-02-22 | 2019-02-22 | Buffering shock isolation device based on suspension structure |
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| CN201920223898.7U CN210106482U (en) | 2019-02-22 | 2019-02-22 | Buffering shock isolation device based on suspension structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177415A (en) * | 2020-10-12 | 2021-01-05 | 同济大学 | Annular multi-direction arranged TMD system |
| CN114829720A (en) * | 2019-12-23 | 2022-07-29 | 金男英 | Shock insulation structure using rope foundation |
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2019
- 2019-02-22 CN CN201920223898.7U patent/CN210106482U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114829720A (en) * | 2019-12-23 | 2022-07-29 | 金男英 | Shock insulation structure using rope foundation |
| CN112177415A (en) * | 2020-10-12 | 2021-01-05 | 同济大学 | Annular multi-direction arranged TMD system |
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