CN214615742U - A displacement-amplifying shock-absorbing and energy-dissipating damper based on gear transmission - Google Patents
A displacement-amplifying shock-absorbing and energy-dissipating damper based on gear transmission Download PDFInfo
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- CN214615742U CN214615742U CN202023327999.0U CN202023327999U CN214615742U CN 214615742 U CN214615742 U CN 214615742U CN 202023327999 U CN202023327999 U CN 202023327999U CN 214615742 U CN214615742 U CN 214615742U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 230000003321 amplification Effects 0.000 claims description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 17
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 12
- 230000035939 shock Effects 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 20
- 238000013016 damping Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000011160 research Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
本实用新型涉及一种基于齿轮传动的位移放大型减震耗能阻尼器，包括阻尼器外壳、齿条传动杆、齿轮、椭圆形钢板、滑动块、液压阻尼器，阻尼器外壳的上顶板和下顶板的相对面上开有长方形凹槽，滑动块设置在长方形凹槽内；杆轴安装在杆轴固定孔内，杆轴上依次设置有椭圆形钢板一、齿轮、椭圆形钢板二，椭圆形钢板一和椭圆形钢板二与滑动块接触的一侧嵌在滑动块的凹槽内；所述每个滑动块与阻尼器外壳间基于滑动块中心对称布置两个液压阻尼器。本实用新型能够将外荷载作用下所连接构件之间产生的相对较小变形根据需要进行放大，利用阻尼器的减震耗能特性实现高效耗能，使阻尼器可以在不同强度地震作用下都能发挥良好的耗能能力。
The utility model relates to a displacement-amplifying shock-absorbing and energy-consuming damper based on gear transmission, comprising a damper casing, a rack transmission rod, a gear, an elliptical steel plate, a sliding block, a hydraulic damper, an upper top plate of the damper casing and a There is a rectangular groove on the opposite surface of the lower top plate, and the sliding block is arranged in the rectangular groove; the rod shaft is installed in the rod shaft fixing hole, and the rod shaft is sequentially provided with an oval steel plate 1, a gear, an oval steel plate 2, an oval steel plate The sides of the first and second elliptical steel plates in contact with the sliding block are embedded in the groove of the sliding block; two hydraulic dampers are symmetrically arranged between each sliding block and the damper shell based on the center of the sliding block. The utility model can amplify the relatively small deformation generated between the connected components under the action of external loads as required, and utilize the shock absorption and energy dissipation characteristics of the damper to realize high-efficiency energy consumption, so that the damper can be used under the action of earthquakes of different intensities. Can play a good energy consumption capacity.
Description
Technical Field
The utility model belongs to the technical field of building structure vibration control, especially, relate to a displacement amplification type shock attenuation power consumption damper based on gear drive.
Background
In the past decades, the earth has a lot of large earthquakes, which brings huge economic property loss to people. Therefore, how to reduce the harm brought by the earthquake to people becomes a problem which is not negligible for scientific research workers in all countries around the world. With the gradual increase of the international building level, more scientific research workers pay attention to how to reduce the earthquake disasters brought to the buildings. More and more scientific workers are beginning to design building structures for earthquake resistance. The energy dissipation and shock absorption device is designed to dissipate earthquake energy to achieve the shock absorption effect, and is an important measure for the earthquake resistance design of the building structure.
Under the efforts of scientific research workers in various countries, various energy-consuming and shock-absorbing devices are in endless, and the research and development achievements also play a certain role in the anti-seismic design. However, the speed and displacement of most existing displacement or velocity-dependent energy-consuming and shock-absorbing devices in operation are equal to the relative speed and displacement of the connecting point, so that some dampers may not work or exert significant energy-consuming and shock-absorbing capacity when the vibration amplitude of a building caused by an earthquake is small. In order to improve the working capacity of the damper, most designers often adopt a mode of increasing the number of the dampers or increasing the geometric dimension of the dampers to realize the effect of improving the energy consumption capacity of the damper, but the effect is not ideal, and resource waste is caused to a certain extent.
Therefore, a need exists for a shock-absorbing and energy-dissipating device that has displacement response amplification capability and can provide reliable energy dissipation capability in large, medium, and small earthquakes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides a displacement amplification type shock attenuation power consumption attenuator based on gear drive is a shock attenuation power consumption attenuator device between the building structure layer, can enlarge the relative less deformation that produces between the component that connects under the outer load effect as required, utilizes the shock attenuation power consumption characteristic of attenuator to realize high-efficient power consumption, makes the attenuator can both exert good power consumption ability under the different intensity seismic actions.
A displacement amplification type damping energy dissipation damper based on gear transmission comprises a damper shell, a rack transmission rod, a gear, an oval steel plate, a sliding block and a hydraulic damper, wherein the damper shell is composed of six plates, namely an upper top plate, a lower bottom plate, a left side plate, a right side plate, a front plate and a rear plate, two parallel rectangular grooves are formed in opposite surfaces of the upper top plate and the lower top plate, and the rectangular grooves of the upper top plate and the lower top plate are opposite in position; the sliding blocks are arranged in the rectangular grooves corresponding to the upper top plate and the lower top plate, two sliding blocks are arranged in each rectangular groove corresponding to each other up and down, and grooves are formed in the opposite side faces of the two sliding blocks; a rod shaft fixing hole is formed in the centers of the front plate and the rear plate which are perpendicular to the upper top plate and the lower top plate, and the rod shaft is installed in the rod shaft fixing hole; the rod shaft is sequentially provided with a first oval steel plate, a gear and a second oval steel plate, and one sides of the first oval steel plate and the second oval steel plate, which are in contact with the sliding block, are embedded in the grooves of the sliding block; two hydraulic dampers are symmetrically arranged between each sliding block and the damper shell based on the center of the sliding block, the head parts of the hydraulic dampers are fixedly connected with the sliding blocks, and the bottom parts of the hydraulic dampers are fixedly connected with the left side plate or the right side plate of the damper shell; the center of the left side plate or the right side plate of the damper shell is provided with a guide hole, the toothless end of the rack transmission rod extends out of the shell through the guide hole, and the toothed end is in toothed connection with the gear; and a connecting rod is arranged on the outer side of the right side plate or the left side plate which is not provided with the guide hole.
Two parallel rectangular grooves on the upper top plate or the lower top plate are symmetrical based on the central axis of the plate.
And polytetrafluoroethylene strips A are embedded in the rectangular grooves of the upper top plate and the lower top plate.
And a polytetrafluoroethylene strip B is arranged in a groove formed in the sliding block.
The amplification factor of the displacement amplification type damping energy dissipation damper is 2(bsin alpha-a) R alpha, wherein b is the length of a long semi-axis of the oval steel plate, a is the length of a short semi-axis of the oval steel plate, R is the length of the radius of the gear, and alpha is the rotation radian of the gear.
The gear is coaxially arranged with the first oval steel plate and the second oval steel plate.
The shape and the material of the first oval steel plate and the second oval steel plate are consistent.
The utility model has the advantages that:
1. the utility model has displacement response amplification performance, can amplify the relative displacement deformation under the action of earthquake, further amplify the responses of displacement, speed and the like of the whole energy consumption device formed by connecting the gear, the first oval steel plate and the second oval steel plate in series, and ensure that good energy consumption capability is exerted under the action of medium and small earthquakes; meanwhile, under the action of a large shock, the action of the energy consumption device is amplified, so that the energy consumption effect is increased, the number of dampers can be reduced, the engineering cost is reduced, and better economic benefit is obtained;
2. the energy consumption magnification of the utility model can be adjusted according to the actual condition of the structural component, and the purpose of adjusting the energy consumption effect is achieved by changing the length of the major and minor axes of the first elliptical steel plate and the second elliptical steel plate and the radius of the gear;
3. the utility model discloses the structure is clear and definite, safe and reliable, the suitability is strong, convenient, the batch production of being convenient for of construction of drawing materials, through reasonable mechanical design, possess efficient power consumption ability and structural performance, have wide application prospect and promote market.
Drawings
Fig. 1 is a front view of a displacement amplification type damping energy dissipation damper based on gear transmission according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic view of a position of the displacement-amplifying type damping and energy-consuming damper based on gear transmission according to an embodiment of the present invention;
wherein,
1-damper shell, 2-rack transmission rod, 3-gear, 4-elliptical steel plate I, 5-sliding block, 6-hydraulic damper, 7-guide hole, 8-polytetrafluoroethylene strip A, 9-polytetrafluoroethylene strip B, 10-rod shaft, 11-connecting piece, 12-rod shaft fixing hole and 13-elliptical steel plate II.
Detailed Description
For better explanation of the present invention, the following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings for better understanding.
As shown in fig. 1-3, a displacement amplification type damping energy dissipation damper based on gear transmission comprises a damper shell 1, a rack transmission rod 2, a gear 3, an oval steel plate, a sliding block 5 and a hydraulic damper 6, wherein the damper shell 1 is composed of six plates, namely an upper top plate, a lower bottom plate, a left side plate, a right side plate, a front plate and a rear plate, two parallel rectangular grooves are formed in opposite surfaces of the upper top plate and the lower top plate, and the rectangular grooves of the upper top plate and the lower top plate are opposite in position; preferably, the two parallel rectangular grooves on the upper top plate or the lower top plate are symmetrical based on the central axis of the plate; the polytetrafluoroethylene strip A8 is embedded in the rectangular groove, so that the friction coefficient is reduced, and the sliding of the sliding block 5 is not influenced by large friction force; the sliding block 5 is arranged in the rectangular groove formed in the upper top plate and the lower top plate, and the sliding block 5 can only slide in the rectangular groove; two sliding blocks 5 are arranged in each rectangular groove which is opposite up and down, grooves are formed in opposite side surfaces of the two sliding blocks 5, and a polytetrafluoroethylene strip B9 is arranged in each groove; a rod shaft fixing hole 12 is formed in the centers of the front plate and the rear plate which are perpendicular to the upper top plate and the lower top plate, and the rod shaft 10 is installed in the rod shaft fixing hole 12; the first oval steel plate 4, the gear 3 and the second oval steel plate 13 are sequentially arranged on the rod shaft 10, the gear 3, the first oval steel plate 4 and the second oval steel plate 13 can coaxially rotate, the first oval steel plate 4 and the second oval steel plate 13 are symmetrically arranged on two sides of the gear 3, one side, in contact with the sliding block 5, of the first oval steel plate 4 and the second oval steel plate 13 is embedded in a groove of the sliding block 5, when the oval steel plates rotate, one part, in contact with the sliding block 5, of the oval steel plates is always in the groove formed in the sliding block 5, and the tetrafluoroethylene strip B can reduce the friction coefficient, so that the oval steel plates are not influenced by large friction force when rotating; two hydraulic dampers 6 are symmetrically arranged between each sliding block 5 and the damper shell 1 based on the center of the sliding block 5, the head parts of the hydraulic dampers 6 are fixedly connected with the sliding block 5, and the bottom parts of the hydraulic dampers are fixedly connected with the left side plate or the right side plate of the damper shell 1; a guide hole 7 is formed in the center of the left side plate or the right side plate of the damper shell 1, the toothless end of the rack transmission rod 2 extends out of the shell through the guide hole 7, and the toothed end is in toothed connection with the gear 3; and a connecting rod is arranged on the outer side of the right side plate or the left side plate which is not provided with the guide hole 7 and is used for being connected with the embedded part of the building structure. In this embodiment, the left side plate is provided with a guide hole 7, and the right side plate is connected with a connecting piece 11.
The action mechanism of the hydraulic damper 6 is that when the connection point generates relative displacement, the gear 3 is driven by the rack transmission rod 2 to rotate, the first elliptical steel plate 4 and the second elliptical steel plate 13 are also driven by the gear 3 to coaxially rotate, and the horizontal projection lengths of the first elliptical steel plate 4 and the second elliptical steel plate 13 are continuously changed when the first elliptical steel plate 4 and the second elliptical steel plate 13 rotate, so that the sliding blocks 5 on the two sides of the first elliptical steel plate continuously slide, the hydraulic damper 6 is driven to work, and energy dissipation and shock absorption are realized by means of the shock absorption and energy dissipation characteristics of the hydraulic damper 6.
The displacement amplification type damping energy dissipation damper has certain displacement amplification performance, the amplification factor of the displacement amplification type damping energy dissipation damper is related to the length of the long and short shafts of the first elliptic steel plate 4 and the second elliptic steel plate 13 and the radius length of the gear 3, the amplification factor is 2(bsin alpha-a)/R alpha, wherein b is the length of the long half shaft of the elliptic steel plate, a is the length of the short half shaft of the elliptic steel plate, R is the radius length of the gear 3, and alpha is the rotation radian of the gear 3, and therefore different displacement amplification effects can be achieved by adjusting the geometric size of related structures.
The gear 3 is coaxially arranged with the first elliptic steel plate 4 and the second elliptic steel plate 13.
The shape and the material of the first oval steel plate 4 and the second oval steel plate 13 are consistent.
As shown in fig. 4, when the displacement-amplifying type damping and energy-consuming damper is used, the part of the rack transmission rod 2 extending out of the damper shell is connected with the connecting piece 11 and the beam-end embedded connecting piece and the bracket-end embedded connecting piece respectively, when the connecting point generates relative displacement, the gear 3 is driven by the rack transmission rod 2 to rotate, the first elliptical steel plate 4 and the second elliptical steel plate 13 are driven by the gear 3 to coaxially rotate, the horizontal projection length of the first elliptical steel plate 4 and the second elliptical steel plate 13 is continuously changed when the elliptical steel plate 4 and the second elliptical steel plate 13 rotate, so that the sliding blocks 5 on two sides of the elliptical steel plate continuously slide, the hydraulic damper 6 is driven to work, and energy-consuming damping is realized by means of the damping and energy-consuming characteristics of the hydraulic damper 6.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023327999.0U CN214615742U (en) | 2020-12-31 | 2020-12-31 | A displacement-amplifying shock-absorbing and energy-dissipating damper based on gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023327999.0U CN214615742U (en) | 2020-12-31 | 2020-12-31 | A displacement-amplifying shock-absorbing and energy-dissipating damper based on gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214615742U true CN214615742U (en) | 2021-11-05 |
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ID=78434721
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023327999.0U Expired - Fee Related CN214615742U (en) | 2020-12-31 | 2020-12-31 | A displacement-amplifying shock-absorbing and energy-dissipating damper based on gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214615742U (en) |
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2020
- 2020-12-31 CN CN202023327999.0U patent/CN214615742U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |