CN112539237A - Bidirectional inertial velocity type damper - Google Patents
Bidirectional inertial velocity type damper Download PDFInfo
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- CN112539237A CN112539237A CN202011464031.4A CN202011464031A CN112539237A CN 112539237 A CN112539237 A CN 112539237A CN 202011464031 A CN202011464031 A CN 202011464031A CN 112539237 A CN112539237 A CN 112539237A
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- brake disc
- inertia brake
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- screw rod
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 238000013016 damping Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 abstract description 8
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
- F16F7/06—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in a direction perpendicular or inclined to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/116—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/04—Friction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/08—Inertia
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Braking Arrangements (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a bidirectional inertia speed type damper, which comprises a sleeve part, a forward inertia brake disc part and a reverse inertia brake disc part, wherein the sleeve part is provided with a sleeve hole; two groups of one-way transmission parts are arranged on the screw rod part at intervals, the one-way transmission parts are respectively connected with the forward inertia brake disc part and the reverse inertia brake disc part, and the transmission directions of the two groups of one-way transmission parts are opposite; a friction damping component is arranged in the sleeve component; the screw rod component is used for inducing the action of a vibration force, when the screw rod component rotates forwards, the unidirectional transmission component is used for driving the forward inertia brake disc component to rotate forwards, otherwise, the reverse inertia brake disc component is driven to rotate reversely; the linear reciprocating motion of the damper is converted into the bidirectional accelerated motion of a forward inertia brake disc component and a reverse inertia brake disc component, and then the bidirectional accelerated motion is converted into heat energy through the friction damping component at the end part of the inertia brake disc component, so that the problems of stress concentration, breakage and the like of the screw rod component caused by the change of the rotation direction of the screw rod component under the action of external force are solved.
Description
Technical Field
The invention relates to the technical field of structural shock absorption, in particular to a bidirectional inertial velocity type damper.
Background
The damper can effectively reduce the vibration reaction of the structure and greatly improve the anti-seismic performance of the structure. However, the traditional damper is not efficient in energy consumption and low in energy conversion rate, cannot cope with the condition of large-earthquake input, and can possibly cause the damper to fail in serious cases, and the traditional damper cannot meet the performance requirements of modern structural vibration control.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a bidirectional inertia speed type damper which can exert better anti-seismic performance.
According to an embodiment of a first aspect of the present invention, there is provided a bidirectional inertial velocity type damper including: the brake comprises a sleeve part, a screw rod part, two groups of friction damping parts, a forward inertia brake disc part, a reverse inertia brake disc part and two groups of one-way transmission parts; wherein the screw member is disposed within the sleeve member, the screw member and the sleeve member being relatively linearly movable; two sets of one-way transmission parts are arranged on the screw rod part at intervals, the positive inertia brake disc part and the negative inertia brake disc part are respectively embedded on each one-way transmission part, the transmission directions of the two sets of one-way transmission parts are opposite, and when the screw rod part drives one-way transmission part to synchronously rotate, the other one-way transmission part is locked; wherein the two sets of frictional damping members are disposed between the sleeve member and the forward inertia brake disc member and between the sleeve member and the reverse inertia brake disc member, respectively.
Has the advantages that: the bidirectional inertia velocity type damper is characterized in that a screw component senses the action of vibration force, the screw component drives a forward inertia brake disc component to rotate forward and lock a reverse inertia brake disc component through a one-way transmission component when rotating forward, and drives the reverse inertia brake disc component to rotate reversely and lock the forward inertia brake disc component through the one-way transmission component when rotating reversely; the linear reciprocating motion energy is converted into the rotation energy of a forward inertia brake disc component and a reverse inertia brake disc component, and the rotation energy is converted into heat energy through a friction damping component; the invention solves the problems of stress concentration and fracture caused by the change of the rotation direction of the screw rod component when the damper reciprocates under the action of external force.
According to the two-way inertia velocity type damper of the embodiment of the first aspect of the invention, the two sets of friction damping members each include an outer friction layer and a plurality of inner friction plates, the two sets of outer friction layers are embedded and fixed on the inner side wall of the sleeve member, the inner friction plates of the two sets are respectively disposed on the side wall of the forward inertia brake disc member and the side wall of the reverse inertia brake disc member, and the two sets of outer friction layers and the inner friction plates of the two sets respectively constitute friction pairs.
According to the two-way inertial velocity type damper of the embodiment of the first aspect of the present invention, each of the two sets of friction damping members further includes a plurality of mass blocks and a plurality of elastic members, the inner friction plates of the two sets are respectively disposed at the outer sides of the mass blocks of the two sets, one ends of the elastic members of the two sets are respectively disposed at the inner sides of the mass blocks of the two sets, and the other ends of the elastic members of the two sets are respectively disposed on the side wall of the forward inertial brake disk member and the side wall of the reverse inertial brake disk member.
According to the two-way inertia velocity type damper of the embodiment of the first aspect of the invention, the side wall of the forward inertia brake disc member and the side wall of the reverse inertia brake disc member are provided with the flanges, and the other ends of the two sets of the respective elastic members are respectively provided on the side wall of the flange of the forward inertia brake disc member and the side wall of the flange of the reverse inertia brake disc member.
According to the two-way inertia velocity type damper according to the embodiment of the first aspect of the invention, the one-way transmission member includes a ratchet assembly and a transmission assembly, and the screw member, the ratchet assembly and the transmission assembly are connected in this order.
According to an embodiment of the present invention, the two-way inertia speed type damper includes a ratchet assembly including a ratchet and a pawl, the pawl being internally engaged within the ratchet.
According to the two-way inertia speed type damper of the embodiment of the first aspect of the invention, the transmission component is a gear, the ratchet wheel is internally engaged in the gear, and the forward inertia brake disc component and the reverse inertia brake disc component are respectively externally engaged with each gear.
According to the two-way inertia velocity type damper of the embodiment of the first aspect of the invention, the screw member includes the ball nut and the screw, the ball nut is nested on the screw, and the ball nut is fixedly connected with the two sets of one-way transmission members.
According to the two-way inertia velocity type damper of the embodiment of the first aspect of the invention, one end of the screw rod is nested in the sleeve member, the other end of the screw rod is provided with the first earring, one end of the sleeve member is provided with the hole capable of accommodating the screw rod, and the other end of the sleeve member is provided with the second earring.
According to the bidirectional inertial velocity type damper of the embodiment of the first aspect of the present invention, the one end of the screw is provided with the limit block, and the sleeve member is provided with the limit plate engaged with the limit block.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is a cross-sectional view a-a of fig. 1.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 2, a bidirectional inertial velocity type damper includes: a sleeve part 10, a screw part, two sets of friction damping parts, a forward inertia brake disc part 401, a reverse inertia brake disc part 402 and two sets of one-way transmission parts; wherein the screw member is disposed within the sleeve member 10, the screw member and the sleeve member 10 being relatively linearly movable; two groups of one-way transmission parts are arranged on the screw rod part at intervals, a forward inertia brake disc part 401 and a reverse inertia brake disc part 402 are respectively embedded on each one-way transmission part, the transmission directions of the two groups of one-way transmission parts are opposite, and when the screw rod part drives one-way transmission part to synchronously rotate, the other one-way transmission part is locked; wherein two sets of frictional damping members are provided between the sleeve member 10 and the forward inertia brake disc member 401 and between the sleeve member 10 and the reverse inertia brake disc member 402, respectively. The bidirectional inertia speed type damper is characterized in that under the action of the vibration force induced by the screw rod component, the screw rod component drives the forward inertia brake disc component 401 to rotate forward and lock the reverse inertia brake disc component 402 through the one-way transmission component when rotating forward, and drives the reverse inertia brake disc component 402 to rotate reversely and lock the forward inertia brake disc component 401 through the one-way transmission component when rotating reversely; the linear reciprocating motion energy is converted into the rotation energy of the forward inertia brake disc component 401 and the reverse inertia brake disc component 402, and is converted into heat energy through the friction damping component; the invention solves the problems of stress concentration and fracture caused by the change of the rotation direction of the screw rod component when the damper reciprocates under the action of external force.
In the present embodiment, the sleeve member 10 has a rotary structure, specifically, a "T" shaped sleeve structure, and is configured to accommodate the screw member, the forward inertia brake disk member 401, and the reverse inertia brake disk member 402 at the same time, the forward inertia brake disk member 401 and the reverse inertia brake disk member 402 have a disk-like structure, the center line of the screw member coincides with the center line of the sleeve member 10, and the screw member and the sleeve member 10 perform relative linear motion.
In this embodiment, the two sets of friction damping members each include an outer friction layer 301 and a plurality of inner friction plates 302, the two sets of outer friction layers 301 are embedded in the inner sidewall of the sleeve member 10, the two sets of inner friction plates 302 are respectively disposed on the sidewall of the forward inertia brake disc member 401 and the sidewall of the reverse inertia brake disc member 402, specifically, the two sets of inner friction plates 302 are respectively disposed in a circumferential array with the center of circle of the forward inertia brake disc member 401 and the center of circle of the reverse inertia brake disc member 402 as the center, and the two sets of outer friction layers 301 and the two sets of inner friction plates 302 respectively constitute friction pairs. Two specific embodiments can be adopted, in the first embodiment, the screw rod part rotates in the forward direction, at this time, the one-way transmission part connected with the forward inertia brake disc part 401 rotates synchronously to drive the forward inertia brake disc part 401 to rotate, the inner friction plate 302 on the forward inertia brake disc part 401 generates friction energy consumption with the outer friction layer 301, the one-way transmission part connected with the reverse inertia brake disc part 402 is locked, at this time, the reverse inertia brake disc part 402 does not rotate, and the inner friction plate 302 on the reverse inertia brake disc part 402 does not generate friction energy consumption with the outer friction layer 301. In the second embodiment, the screw component rotates in a reverse direction, and at this time, the one-way transmission component connected with the reverse inertia brake disc component 402 rotates synchronously to drive the reverse inertia brake disc component 402 to rotate, the inner friction plate 302 on the reverse inertia brake disc component 402 generates friction energy consumption with the outer friction layer 301, and the one-way transmission component connected with the forward inertia brake disc component 401 is locked, at this time, the forward inertia brake disc component 401 does not rotate, and the inner friction plate 302 on the forward inertia brake disc component 401 does not generate friction energy consumption with the outer friction layer 301. The forward inertia brake disc part 401 and the reverse inertia brake disc part 402 are arranged at intervals, so that the problems of stress concentration and breakage can be avoided, and the stable and reliable friction energy consumption is ensured.
In this embodiment, each of the two sets of friction damping members further includes a plurality of mass blocks 303 and a plurality of elastic assemblies 304, one mass block 303 corresponds to one inner friction plate 302 and one elastic assembly 304, the two sets of inner friction plates 302 are respectively disposed at the outer sides of the two sets of mass blocks 303, one ends of the two sets of elastic assemblies 304 are respectively disposed at the inner sides of the two sets of mass blocks 303, the other ends of the two sets of elastic assemblies 304 are respectively disposed on the side walls of the forward inertia brake disc part 401 and the reverse inertia brake disc part 402, after the elastic assemblies 304 are connected with the mass blocks 303, the elastic assemblies 304 have a tendency of extending under the action of centrifugal force, the pressure between the inner friction plates 302 on the mass blocks 303 and the outer friction layer 301 increases, and the friction force increases accordingly, thereby achieving better energy dissipation effect. Preferably, the resilient member 304 is a spring, the resilient member 304 is disposed along a radial extension of the screw member, and the mass 303 is a block having a mass.
Preferably, flanges are provided on both the side wall of the forward inertia brake disc part 401 and the side wall of the reverse inertia brake disc part 402, the other end of each of the two sets of resilient members 304 is provided on the side wall of the flange of the forward inertia brake disc part 401 and the side wall of the flange of the reverse inertia brake disc part 402, respectively, and the flanges are provided to increase the area of the side wall of the forward inertia brake disc part 401 and the area of the side wall of the reverse inertia brake disc part 402, thereby facilitating the installation of the resilient members 304.
In this embodiment, the one-way drive component comprises a ratchet assembly and a drive assembly 405, and the screw component, the ratchet assembly and the drive assembly 405 are connected in sequence. The ratchet assembly comprises a ratchet 403 and a pawl 404, the pawl 404 is internally engaged in the ratchet 403 to optimize the internal structure. The transmission assembly 405 is a gear, the ratchet 403 is meshed in the gear, the forward inertia brake disc component 401 and the reverse inertia brake disc component 402 are respectively meshed with the gears, and reasonable and scientific arrangement of a transmission structure is guaranteed.
In the present embodiment, the screw member includes a ball nut 22 and a screw 21, the ball nut 22 is nested on the screw 21, the ball nut 22 is fixedly connected with the two sets of unidirectional transmission members, and a bearing 24 is disposed between the ball nut 22 and the sleeve member 10. One end of the screw 21 is nested in the sleeve part 10, the other end of the screw 21 is provided with a first ear ring 23, one end of the sleeve part 10 is provided with a hole capable of accommodating the screw 21, and the other end of the sleeve part 10 is provided with a second ear ring 12 for connecting with a structure to ensure installation and positioning. One end of the screw 21 is provided with a limit block 211, and a limit plate 11 matched with the limit block is arranged in the sleeve part 10 to limit the movement stroke of the screw 21, so that the failure of the bidirectional inertia speed type damper is avoided.
The bidirectional inertia speed type damper is characterized in that two groups of one-way transmission parts are arranged on a ball nut 22 at intervals and are respectively connected with a forward inertia brake disc part 401 and a reverse inertia brake disc part 402, so that the forward inertia brake disc part 401 can only rotate or lock in a forward direction, the reverse inertia brake disc part 402 can only rotate or lock in a reverse direction, the screw rod 21 is used for sensing the action of external vibration force and generates relative linear motion with the sleeve part 10, at the moment, the screw rod 21 has a first working state of forward rotation and a second working state of reverse rotation, when the screw rod 21 rotates in the forward direction, the forward inertia brake disc part 401 is driven by the one-way transmission parts to synchronously rotate and forms a friction pair with a friction damping part, and at the moment, the reverse inertia brake disc part 402 is locked by the one-way transmission part; when the screw 21 rotates reversely, the reverse inertia brake disc part 402 is driven by the one-way transmission part to rotate synchronously and forms a friction pair with the friction damping part so as to realize friction energy consumption, and the forward inertia brake disc part 401 is locked under the action of the one-way transmission part, so that stress concentration cannot occur when the rotation direction of the ball nut 22 is changed under the action of external force, and the problem of fracture is avoided.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A bi-directional inertial velocity type damper, comprising: the brake comprises a sleeve part, a screw rod part, two groups of friction damping parts, a forward inertia brake disc part, a reverse inertia brake disc part and two groups of one-way transmission parts;
wherein the screw member is disposed within the sleeve member, the screw member and the sleeve member being relatively linearly movable;
the two groups of one-way transmission parts are arranged on the screw rod part at intervals, the positive inertia brake disc part and the negative inertia brake disc part are respectively embedded on each one-way transmission part, the transmission directions of the two groups of one-way transmission parts are opposite, and when the screw rod part drives one-way transmission part to synchronously rotate, the other one-way transmission part is locked;
wherein two sets of said friction damping members are disposed between said sleeve member and said forward inertia brake disc member and between said sleeve member and said reverse inertia brake disc member, respectively.
2. The bi-directional inertial velocity type damper according to claim 1, characterized in that: the two groups of friction damping parts respectively comprise an outer friction layer and a plurality of inner friction plates, the two groups of outer friction layers are fixedly embedded on the inner side wall of the sleeve part, the two groups of inner friction plates are respectively arranged on the side wall of the forward inertia brake disc part and the side wall of the reverse inertia brake disc part, and the two groups of outer friction layers and the two groups of inner friction plates respectively form friction pairs.
3. The bi-directional inertial velocity type damper according to claim 2, characterized in that: the two groups of friction damping parts respectively comprise a plurality of mass blocks and a plurality of elastic components, two groups of inner friction plates are respectively arranged on the outer sides of the two groups of mass blocks, one ends of the two groups of elastic components are respectively arranged on the inner sides of the two groups of mass blocks, and the other ends of the two groups of elastic components are respectively arranged on the side wall of the forward inertia brake disc part and the side wall of the reverse inertia brake disc part.
4. The bi-directional inertial velocity type damper according to claim 3, characterized in that: flanges are arranged on the side wall of the forward inertia brake disc component and the side wall of the reverse inertia brake disc component, and the other ends of the two groups of elastic components are respectively arranged on the side wall of the flange of the forward inertia brake disc component and the side wall of the flange of the reverse inertia brake disc component.
5. The bi-directional inertial velocity type damper according to claim 1, characterized in that: the one-way transmission component comprises a ratchet wheel component and a transmission component, and the screw rod component, the ratchet wheel component and the transmission component are sequentially connected.
6. The bi-directional inertial velocity type damper according to claim 5, characterized in that: the ratchet wheel assembly comprises a ratchet wheel and a pawl, and the pawl is internally meshed and connected in the ratchet wheel.
7. The bi-directional inertial velocity type damper according to claim 6, characterized in that: the transmission assembly is a gear, the ratchet wheel is meshed in the gear, and the forward inertia brake disc component and the reverse inertia brake disc component are respectively meshed with the gears.
8. The bi-directional inertial velocity type damper according to claim 5, characterized in that: the screw rod part comprises a ball nut and a screw rod, the ball nut is nested on the screw rod, and the ball nut is fixedly connected with the two sets of one-way transmission parts.
9. The bi-directional inertial velocity type damper of claim 8, characterized in that: one end of the screw rod is nested in the sleeve part, the other end of the screw rod is provided with a first earring, one end of the sleeve part is provided with a hole capable of accommodating the screw rod, and the other end of the sleeve part is provided with a second earring.
10. A rotational velocity type damper according to claim 9, characterized in that: and a limiting block is arranged at one end of the screw rod, and a limiting plate matched with the limiting block is arranged in the sleeve part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011464031.4A CN112539237A (en) | 2020-12-14 | 2020-12-14 | Bidirectional inertial velocity type damper |
| JP2021153334A JP7063509B1 (en) | 2020-12-14 | 2021-09-21 | Bidirectional inertia speed type damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011464031.4A CN112539237A (en) | 2020-12-14 | 2020-12-14 | Bidirectional inertial velocity type damper |
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|---|---|
| CN112539237A true CN112539237A (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011464031.4A Pending CN112539237A (en) | 2020-12-14 | 2020-12-14 | Bidirectional inertial velocity type damper |
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| Country | Link |
|---|---|
| JP (1) | JP7063509B1 (en) |
| CN (1) | CN112539237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230265908A1 (en) * | 2022-02-21 | 2023-08-24 | Schaeffler Technologies AG & Co. KG | Vibration damper made up of spoke spring absorbers |
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| 陈远超;沈孟锋;费凯;徐梦晨;王俊芳;赵洁;: "自适应电磁阻尼式高楼逃生缓降器设计", 机械制造, no. 06, 20 June 2012 (2012-06-20), pages 11 - 13 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230265908A1 (en) * | 2022-02-21 | 2023-08-24 | Schaeffler Technologies AG & Co. KG | Vibration damper made up of spoke spring absorbers |
| US12092184B2 (en) * | 2022-02-21 | 2024-09-17 | Schaeffler Technologies AG & Co. KG | Vibration damper made up of spoke spring absorbers |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022094305A (en) | 2022-06-24 |
| JP7063509B1 (en) | 2022-05-09 |
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