CN108049306A - A kind of plough groove type cam mechanism shock insulation limiting device - Google Patents
A kind of plough groove type cam mechanism shock insulation limiting device Download PDFInfo
- Publication number
- CN108049306A CN108049306A CN201711291043.XA CN201711291043A CN108049306A CN 108049306 A CN108049306 A CN 108049306A CN 201711291043 A CN201711291043 A CN 201711291043A CN 108049306 A CN108049306 A CN 108049306A
- Authority
- CN
- China
- Prior art keywords
- cam
- sinker
- push rod
- cam mechanism
- shock insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of plough groove type cam mechanism shock insulation limiting device, cam mechanism, cam limit baffle, ball-screw, sinker and sinker fixed seat including pedestal and on pedestal.The cam mechanism includes cam, push rod, push rod limiting plate and the roller being placed on the push rod in slot.The cam is connected with the ball nut of the ball-screw, the sinker is mounted in the sinker fixed seat of the one side of the cam mechanism, described sinker one end and the push rod end of cam mechanism connect, the sinker other end is connected with sinker fixed seat upper end, the cam limit baffle is installed in parallel in the both sides of the cam mechanism, cam in the cam mechanism rotates under the limitation of the postive stop baffle, and the roller drives the push rod to do reciprocating linear motion under the limitation of the push rod limiting plate.The present invention can effectively reduce displacement of the structures isolation effects layer such as building and bridge in earthquake.
Description
Technical field
The present invention relates to one kind for building structure, bridge structure Seismic Isolation of Isolation Layer limiting device, a kind of plough groove type is specifically designed
Cam mechanism shock insulation limiting device.
Background technology
In recent years, the passive control technology such as base isolation, energy-dissipating and shock-absorbing and tuned mass damping control due to its concept is simple,
Clear mechanism, cost are relatively low, damping effect is notable and are at home and abroad used widely in civil engineering.Wherein, damper with
The advantages such as its good economy performance, applicability are good, and maintenance cost is low receive the attention of vast civil engineering researcher.It is building
In terms of structure, bridge structure passively control cushion technique, seismic isolation technology needs to limit the displacement of Seismic Isolation of Isolation Layer, energy dissipating by sinker
Cushion technique needs to dissipate seismic energy by sinker.It is bent when using displacement relationship type sinker such as friction energy dissipation device, metal
When taking sinker, if sinker displacement is smaller, it is difficult to play effective energy dissipation capacity；If sinker displacement is larger, need
The big stroke sinker of large-tonnage is used, causes cost higher.When using velocity correlation type sinker such as viscous liquid sinker
Or during viscoplasticity sinker, if sinker speed is smaller, it is difficult to play effective energy dissipation capacity；If sinker speed it is larger or
Displacement is larger, then needs, using the big stroke sinker of large-tonnage, it is higher to also result in cost.
The content of the invention
When using sinker the purpose of the present invention is to solve existing shock insulation /V technology, if sinker displacement is smaller
Or speed it is smaller when, it is difficult to play effective energy dissipation capacity, if sinker displacement is larger or when speed is larger, need using big
The big stroke sinker of tonnage, causes the double-barreled question that cost is higher.
To solve the above-mentioned problems, the present invention provides a kind of plough groove type cam mechanism shock insulation limiting device, including base
Seat and the cam mechanism on pedestal, cam limit baffle, ball-screw, sinker and sinker fixed seat, it is described convex
Wheel postive stop baffle is set to two pieces, and two pieces of cam limit baffle parallel intervals are mounted on the both sides of the cam mechanism, described
Ball screw is connected through the cam limit baffle with the cam mechanism, and the sinker is mounted on two pieces of cam limits
It is connected in the sinker fixed seat of position baffle side and with the cam mechanism, the cam mechanism includes cam, push rod, push rod
Limiting plate and roller offer limit hole on the push rod limiting plate, and the groove of annular, institute are offered on the wheel face of the cam
It states push rod one end to be connected with the groove by roller, the push rod other end is connected through limit hole with the sinker.
As the improvement of above-mentioned technical proposal, the push rod be connected with the sinker one side be equipped with for the energy dissipating
First junction button of device connection.
As the improvement of above-mentioned technical proposal, the second junction button is provided at the top of the sinker fixed seat, described
Two junction buttons are arranged on first junction button in same level height.
As the improvement of above-mentioned technical proposal, the ball screw includes two ball nuts, and the cam is clamped in two
Between a ball nut, two ball nuts are separately installed with a thrust axis in the one side of the cam
It holds.
As the improvement of above-mentioned technical proposal, the pedestal is equipped with multiple bolts hole, is additionally provided with below the pedestal mixed
Solidifying knoll platform, the pedestal are fixed on by the bolt hole on the concrete pier base.
As the improvement of above-mentioned technical proposal, the cam limit baffle backwards to there are one the setting of the cam mechanism on one side
Or multiple fixation ribbed stiffeners for being used to support the cam limit baffle.
A kind of plough groove type cam mechanism shock insulation limiting device provided by the invention compared with prior art, has as follows
Advantageous effect：
In the present invention, horizontal movement is converted into after rotary motion again by the effect of ball-screw and cam mechanism
Rotary motion is changed into linear reciprocating motion, thus the limited shift reciprocately in allowed band occurs always for sinker, solves
If sinker displacement or speed are smaller, it is difficult to play effective energy dissipation capacity, if sinker displacement or speed are larger, need
Using the big stroke sinker of large-tonnage, cause the double-barreled question that cost is higher.In addition, cam annular groove and push rod it is mutual
Sliding friction is become rolling friction by cooperation, substantially reduces the frictional resistance in transmission mechanism, anti-locking mechanism is in the mistake of transmission
It is stuck in journey, ensure that mechanism can work normally always.It meanwhile also can be according to actual requirement of engineering, by changing cam groove
Shape, and change the running orbit that cam groove promotes roller, reach preferable control effect.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will simply it be situated between to the attached drawing of embodiment below
It continues.
Fig. 1 is a kind of stereogram for plough groove type cam mechanism shock insulation limiting device that the embodiment of the present invention provides；
Fig. 2 is a kind of sectional view for plough groove type cam mechanism shock insulation limiting device that the embodiment of the present invention provides；
Fig. 3 is the stereogram for the cam mechanism that the embodiment of the present invention provides；
Fig. 4 is the connection diagram for multiple plough groove type cam mechanism shock insulation limiting devices that the embodiment of the present invention provides.
Wherein, 1- ball-screws；11- ball nuts；12- thrust bearings；2- cams；21- rollers；22- push rods；23- is pushed away
Bar limiting plate；The first junction buttons of 24-；3- sinkers；The second junction buttons of 31-；32- sinker fixed seats；4- pedestals；41- is installed
Hole；5- cam limit baffles；51- ribbed stiffeners；61- the first shock insulation limiting devices；62- the second shock insulation limiting devices；7- build or
Bridge structure；Buttress on 71- Seismic Isolation of Isolation Layer；72- shock isolating pedestals；Buttress under 73- Seismic Isolation of Isolation Layer；8- concrete pier bases.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the scope of protection of the invention.
As shown in Figs. 1-3, the present invention provides a kind of plough groove type cam mechanism shock insulation limiting device, including 4 He of pedestal
Cam mechanism, cam limit baffle 5, ball-screw 1, sinker 3 and sinker fixed seat 32 on pedestal, it is described convex
Wheel postive stop baffle 5 is set to two pieces, and two pieces of 5 parallel intervals of cam limit baffle are mounted on the both sides of the cam mechanism, institute
It states ball screw 1 to be connected with the cam mechanism through the cam limit baffle 5, the sinker 3 is mounted on described in two pieces
It is connected in the sinker fixed seat 32 of 5 side of cam limit baffle and with the cam mechanism；The cam mechanism includes cam
2nd, push rod 22, push rod limiting plate 23 and roller 21 offer limit hole, the wheel face of the cam 2 on the push rod limiting plate 23
On offer the groove of annular, described 22 one end of push rod is connected by roller 21 with the groove, and 22 other end of push rod is worn
Limit hole is crossed to be connected with the sinker 3.Specifically, ball-screw 1 is equipped with thrust bearing 12, ball-screw 1 passes through ball
Nut 11 is connected with the cam 2 of cam mechanism, and cam 2 makes cam by the roller on annular groove and the push rod 22 being placed in slot
2 remain with the push rod 22 and contact.In the present invention, level is transported by the effect of ball-screw 1 and cam mechanism
Rotary motion is changed into linear reciprocating motion by turn again after turning to rotary motion, and thus allowed band occurs always for sinker 3
Interior limited shift reciprocately, if solving 3 displacement of sinker or speed is smaller, it is difficult to effective energy dissipation capacity is played, if energy dissipating
3 displacement of device or speed are larger, then need, using the big stroke sinker of large-tonnage, to cause the double-barreled question that cost is higher.It is in addition, convex
Sliding friction is become rolling friction by the annular groove of wheel 2 with the mutual cooperation of push rod 22, is substantially reduced in transmission mechanism
Frictional resistance, anti-locking mechanism is stuck during transmission, ensures that mechanism can work normally always.It meanwhile also can be according to reality
Requirement of engineering by changing the shape of 2 groove of cam, and changes the running orbit that 2 groove of cam promotes roller 21, reaches preferable
Control effect.
More preferably, in the present embodiment, the one side of the push rod 22 is equipped with the be connected with the sinker 3 first company
Buckle 24.
A kind of course of work of plough groove type cam mechanism shock insulation limiting device provided by the invention is：When it occurs for earthquake
When, buttress 71 promotes ball-screw 1 to move horizontally in the building or bridge structure Seismic Isolation of Isolation Layer that are connected with ball-screw 1, ball
Leading screw 1, which moves horizontally, drives ball nut 11 to rotate, and cam limit baffle 5 limits 11 level of ball nut by thrust bearing 12
Mobile, ball nut 11 rotates band moving cam 2 and rotates, and cam 2 is contacted with push rod 22 by the holding of roller 21, and promotes push rod 22
It moves back and forth, push rod 22, which moves back and forth, drives the first junction button 24 to move back and forth, and the first junction button 24 reciprocates through energy dissipating
3 energy-dissipating and shock-absorbing of device, building or bridge structure Seismic Isolation of Isolation Layer displacement are limited.
More preferably, in the present embodiment, the push rod limiting plate 23 be fixedly connected on two cam limit baffles 5 it
Between so that the push rod 22 does linear reciprocating motion by the limit hole of the push rod limiting plate 23 along horizontal direction.
More preferably, in the present embodiment, the cam 2 is clamped between two ball nuts 11, two balls
Nut 11 is respectively equipped with a thrust bearing 12 in the one side of the cam 2, to support ball-screw.
More preferably, in the present embodiment, the pedestal 4 is equipped with multiple bolts hole 41, and multiple bolts hole 41 are distributed in base
The edge of seat 4, is installed and used for pedestal 4.Building or bridge structure 7 include buttress on sequentially connected Seismic Isolation of Isolation Layer from top to bottom
71st, buttress 73 under shock isolating pedestal 72 and Seismic Isolation of Isolation Layer, 4 lower section of pedestal are provided with concrete pier base 8, and pedestal 4 can by bolt hole 41
To be mounted on concrete pier base 8, plough groove type cam mechanism shock insulation limiting device is connected with buttress on Seismic Isolation of Isolation Layer 71, specifically,
The height of concrete pier base 8 is adjusted according to the height of buttress on Seismic Isolation of Isolation Layer 71, ensures plough groove type cam mechanism shock insulation limiting device
Height and Seismic Isolation of Isolation Layer on the height of buttress 71 be consistent.
More preferably, in the present embodiment, the top of the sinker fixed seat 32 is provided with the second junction button 31, and described
Two junction buttons 31 are arranged on the first junction button 24 on push rod 22 in same level height, the first connection junction button 24 and second
The distance between junction button 31 is determined by the size of sinker 3.
More preferably, in the present embodiment, the cam limit baffle 5 there are one or multiple be used to support the cam limit
The fixation ribbed stiffener 51 of baffle 5 ensures the stability of entire mechanism.
More preferably, in the present embodiment, sinker 3 can be replaced with to the sinker of other speed or displacement type, it is fixed
Form can take welding or be bolted.
It should also be noted that, it in an alternative embodiment of the invention, is gone here and there mutually between two or more amplifying devices
Connection connection, to form shock insulation limiting device group.For example, the situation of two shock insulation limiting device concatenations is shown in Figure 4,
In, it will be multiple convex using a longer ball-screw 1 between the first shock insulation limiting device 61 and the second shock insulation limiting device 62
Wheel 2 is concatenated into together, completes concatenation work.It should be noted in cascade process：The 2 initial rotation position of cam of series connection is not
In same position, it can more efficiently increase its energy consumption effect.
In the description of the present invention, it is to be understood that indicating positions or the position such as term " on ", " under ", "left", "right"
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to
Show or imply that the device of meaning or element must have specific orientation and specific azimuth configuration and operation, it is thus impossible to
It is interpreted as limitation of the present invention.In addition, " first ", " second " are merely due to describe purpose, and it is not intended that indicate or imply
Relative importance or the implicit quantity for indicating indicated technical characteristic.Therefore, define " first ", the feature of " second " can
To express or implicitly include one or more this feature.In description of the invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation " " phase
Even " " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；
Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected with by intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understands above-mentioned term
Concrete meaning in the present invention.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
- A kind of 1. plough groove type cam mechanism shock insulation limiting device, which is characterized in that the cam including pedestal and on pedestal Mechanism, cam limit baffle, ball-screw, sinker and sinker fixed seat, the cam limit baffle are set to two pieces, two pieces The cam limit baffle parallel interval is mounted on the both sides of the cam mechanism, and the ball screw passes through the cam limit Baffle is connected with the cam mechanism, and the sinker is mounted on the sinker fixed seat of two pieces of cam limit baffle sides It above and with the cam mechanism is connected, the cam mechanism includes cam, push rod, push rod limiting plate and roller, the push rod limit Limit hole is offered on the plate of position, the groove of annular is offered on the wheel face of the cam, described push rod one end passes through roller and institute Groove connection is stated, the push rod other end is connected through limit hole with the sinker.
- 2. plough groove type cam mechanism shock insulation limiting device as described in claim 1, which is characterized in that the push rod disappears with described Energy device connection one side is equipped with the first junction button being connected with the sinker.
- 3. plough groove type cam mechanism shock insulation limiting device as claimed in claim 2, which is characterized in that the sinker fixed seat Top be provided with the second junction button, second junction button is arranged on first junction button in same level height.
- 4. a kind of shock insulation limiting device as described in claim 1, which is characterized in that the ball screw includes two ball spiral shells Mother, the cam are clamped between two ball nuts, and two ball nuts divide in the one side of the cam It An Zhuan not be there are one thrust bearing.
- 5. a kind of shock insulation limiting device as described in claim 1, which is characterized in that the pedestal is equipped with multiple bolts hole, Concrete pier base is additionally provided with below the pedestal, the pedestal is fixed on by the bolt hole on the concrete pier base.
- 6. a kind of shock insulation limiting device as described in claim 1, which is characterized in that the cam limit baffle is backwards to described convex The one side of wheel mechanism is equipped with the fixation ribbed stiffener that one or more is used to support the cam limit baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291043.XA CN108049306B (en) | 2017-12-08 | 2017-12-08 | Shock insulation limiting device of groove type cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291043.XA CN108049306B (en) | 2017-12-08 | 2017-12-08 | Shock insulation limiting device of groove type cam mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108049306A true CN108049306A (en) | 2018-05-18 |
| CN108049306B CN108049306B (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711291043.XA Active CN108049306B (en) | 2017-12-08 | 2017-12-08 | Shock insulation limiting device of groove type cam mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN108049306B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322237A (en) * | 2018-11-26 | 2019-02-12 | 郑金生 | A kind of bridge equipped with rotation-reciprocating friction damper |
| CN109811924A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of cylinder cam-type damper response amplifying device |
| CN113855128A (en) * | 2021-09-27 | 2021-12-31 | 佛山长光智能制造研究院有限公司 | Operation stitching instrument driving device |
| CN113855129A (en) * | 2021-09-27 | 2021-12-31 | 佛山长光智能制造研究院有限公司 | Operation stitching instrument driving device |
| CN117728624A (en) * | 2024-02-18 | 2024-03-19 | 无锡艾尔特线性运动机械有限公司 | Direct current electric putter based on photovoltaic cell board supports usefulness |
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| WO2002042659A2 (en) * | 2000-11-27 | 2002-05-30 | Kang Song Doug | Smart hybrid damper |
| JP2003106369A (en) * | 2001-09-28 | 2003-04-09 | Tokkyokiki Corp | Variable friction damper |
| CN204326293U (en) * | 2014-12-16 | 2015-05-13 | 湖南科技大学 | Displacement rotating scale-up version marmem damper |
| CN107313526A (en) * | 2017-07-03 | 2017-11-03 | 同济大学 | Become friction-type gear inertia damping device |
| CN207904757U (en) * | 2017-12-08 | 2018-09-25 | 广州大学 | A kind of plough groove type cam mechanism shock insulation limiting device |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002042659A2 (en) * | 2000-11-27 | 2002-05-30 | Kang Song Doug | Smart hybrid damper |
| JP2003106369A (en) * | 2001-09-28 | 2003-04-09 | Tokkyokiki Corp | Variable friction damper |
| CN204326293U (en) * | 2014-12-16 | 2015-05-13 | 湖南科技大学 | Displacement rotating scale-up version marmem damper |
| CN107313526A (en) * | 2017-07-03 | 2017-11-03 | 同济大学 | Become friction-type gear inertia damping device |
| CN207904757U (en) * | 2017-12-08 | 2018-09-25 | 广州大学 | A kind of plough groove type cam mechanism shock insulation limiting device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322237A (en) * | 2018-11-26 | 2019-02-12 | 郑金生 | A kind of bridge equipped with rotation-reciprocating friction damper |
| CN109811924A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of cylinder cam-type damper response amplifying device |
| CN113855128A (en) * | 2021-09-27 | 2021-12-31 | 佛山长光智能制造研究院有限公司 | Operation stitching instrument driving device |
| CN113855129A (en) * | 2021-09-27 | 2021-12-31 | 佛山长光智能制造研究院有限公司 | Operation stitching instrument driving device |
| CN117728624A (en) * | 2024-02-18 | 2024-03-19 | 无锡艾尔特线性运动机械有限公司 | Direct current electric putter based on photovoltaic cell board supports usefulness |
| CN117728624B (en) * | 2024-02-18 | 2024-05-14 | 无锡艾尔特线性运动机械有限公司 | Direct current electric putter based on photovoltaic cell board supports usefulness |
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| Publication number | Publication date |
|---|---|
| CN108049306B (en) | 2023-09-12 |
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