CN207268032U - A kind of new type of passive formula buffering stop block - Google Patents
A kind of new type of passive formula buffering stop block Download PDFInfo
- Publication number
- CN207268032U CN207268032U CN201720876022.3U CN201720876022U CN207268032U CN 207268032 U CN207268032 U CN 207268032U CN 201720876022 U CN201720876022 U CN 201720876022U CN 207268032 U CN207268032 U CN 207268032U
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- China
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- sinker
- new type
- stop block
- cam mechanism
- passive formula
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Abstract
The utility model provides a kind of new type of passive formula buffering stop block,It includes pedestal and the equal width cam mechanism on pedestal,Position-limited rack,Ball-screw,Two groups of sinkers and sinker fixed seat,The equal width cam mechanism includes four frames and the cam in four frame,The cam is connected with the nut of the ball-screw,Sinker described in two groups is separately mounted in the sinker fixed seat of the both sides of the equal width cam mechanism,Both sides of end of the sinker described in two groups away from the sinker fixed seat respectively with four frame are connected,The position-limited rack is installed on the periphery of the equal width cam mechanism,The cam mechanism makees straight reciprocating motion under the limitation of the position-limited rack between sinker described in two groups,The one end of the ball-screw away from the equal width cam mechanism is equipped with the night bolt component for being used for being connected with building structure or bridge structure.A kind of new type of passive formula buffering stop block low cost and acted on good buffer limit.
Description
Technical field
The utility model is related to building structure, bridge structure antidetonation shock attenuation technical field, particularly belong to a kind of building structure,
The new type of passive formula buffering stop block of bridge structure.
Background technology
Earthquake is one of common natural calamity, and strong earthquake meeting heavy damage building structure, bridge structure, are caused big
Measure casualties and economic loss.Seismic isolation technology is used as one kind is economical and effective to subtract seismic isolation technology, extensive by engineering circles at present
Using.When isolation structure meets with pole rarely occurred earthquake, shock isolating pedestal horizontal displacement is likely to the design load that oversteps the extreme limit, Jin Erzao
Into significant damage, the serious threat security of the lives and property., will be every therefore, it is necessary to use necessary buffer limit measure to Seismic Isolation of Isolation Layer
Shake layer horizontal displacement is limited in safe range.In terms of building structure, bridge structure passively control cushion technique, seismic isolation technology
Need to limit the displacement of Seismic Isolation of Isolation Layer by sinker, energy-dissipating and shock-absorbing technology needs to dissipate seismic energy by sinker.Work as use
When displacement relationship type sinker such as friction energy dissipation device or metal yield sinker or using for example viscous liquid of velocity correlation type sinker
When body sinker or viscoplasticity sinker, if sinker displacement or speed are smaller, it is difficult to play effective energy dissipation capacity；If
Sinker displacement is larger, then needs to use the big stroke sinker of large-tonnage, cause cost higher.
Therefore, it is very must to develop a kind of buffering stop block with good energy dissipation capacity in finite displacement stroke
Want.
Utility model content
The purpose of this utility model is to solve existing seismic isolation technology using displacement relationship type sinker as friction disappears
When energy device or metal yield sinker or using velocity correlation type sinker such as viscous liquid sinker or viscoplasticity sinker,
If sinker displacement or speed are smaller, it is difficult to play effective energy dissipation capacity；If sinker displacement is larger, need to use
The big stroke sinker of large-tonnage, causes the double-barreled question that cost is higher.
To solve the above-mentioned problems, the utility model provides a kind of new type of passive formula buffering stop block, it includes base
Seat and the equal width cam mechanism on pedestal, position-limited rack, ball-screw, two groups of sinkers and sinker fixed seat, it is described
Equal width cam mechanism includes four frames and the cam in four frame, the nut of the cam and the ball-screw
Connection, sinker described in two groups is separately mounted in the sinker fixed seat of the both sides of the equal width cam mechanism, described in two groups
Both sides of end of the sinker away from the sinker fixed seat respectively with four frame are connected, and the position-limited rack is installed on institute
The periphery of equal width cam mechanism is stated, the cam mechanism is made directly under the limitation of the position-limited rack between sinker described in two groups
Line moves back and forth, and the one end of the ball-screw away from the equal width cam mechanism, which is equipped with, to be used for and building structure or bridge structure
The night bolt component of connection, the night bolt component include night bolt and latch shell, the latch shell movable sleeve
It is connected on outside the night bolt, the both sides of the latch shell are equipped with the buttonhole for being used for coordinating with night bolt.
As the improvement of above-mentioned technical proposal, the position-limited rack includes upper limit baffle and two side postive stop baffles, described
Upper limit baffle is fixedly connected between two side postive stop baffles and is covered in the top of two side postive stop baffles.
As the improvement of above-mentioned technical proposal, a sliding slot, four frame are offered in the middle part of the upper limit baffle
Top slide be connected in the sliding slot.
As the improvement of above-mentioned technical proposal, the both sides of four frame are respectively provided with what is be connected with the sinker
First junction button.
As the improvement of above-mentioned technical proposal, the cam clamping connection between two nuts, two nuts relative to
One thrust bearing is respectively installed on the reverse side of the cam.
As the improvement of above-mentioned technical proposal, the pedestal is equipped with multiple mounting holes.
As the improvement of above-mentioned technical proposal, the second junction button is provided with the top of the sinker fixed seat, described
The first junction button on two junction buttons and four frames is arranged in same level height.
As the improvement of above-mentioned technical proposal, the side postive stop baffle is used to support the lateral spacing position equipped with one or more
The fixation ribbed stiffener of baffle.
A kind of new type of passive formula buffering stop block provided by the utility model, compared with prior art, has as follows
Beneficial effect：1st, the outstanding feature of the utility model is that limited shift reciprocately in allowed band occurs all the time for sinker.This reality
Ball-screw and equal width cam mechanism with new design, building structure or bridge under rarely occurred earthquake, the effect of pole rarely occurred earthquake
When structure produces larger horizontal displacement, night bolt moves to maximum displacement, and buttonhole pins on night bolt and latch shell,
Ball-screw will be promoted axially to move, horizontal movement is converted into rotary motion by ball-screw, and drives constant breadth cam to move, etc.
Rotary motion is changed into linear reciprocating motion by wide cam mechanism, so that the reciprocating linear in limited distance occurs all the time for sinker
Movement, avoiding sinker displacement transfinites and fails or destroy.
2nd, the utility model has the amplification effect of good power.The utility model is adjusted inclined by rationally designing cam
Heart distance, the then active force that sinker provides can realize amplification, and amplification effect can even reach ten times or tens times.
3rd, there is the utility model good buffer limit to act on.Under frequently occurred earthquake effect, outside night bolt and latch
Relative displacement on shell between buttonhole is smaller, and buttonhole does not pin on night bolt and latch shell, and sinker is not had an effect；
Relative displacement on rarely occurred earthquake, the lower night bolt of pole rarely occurred earthquake effect and latch shell between buttonhole reaches maximum, bullet
Buttonhole pins on spring latch and latch shell, and sinker is had an effect, and obtains preferable energy-dissipating and shock-absorbing, realizes that buffer limit acts on.
The utility model is applied widely, and cost can be greatly decreased.The utility model can be combined with all kinds of damping devices
Use.The power effect of the present apparatus can reach the action effect of large-tonnage sinker by designing small tonnage sinker, so that
Cost is greatly reduced.The present apparatus is during designing and producing, it is only necessary to steel plate or concrete structure is made according to design requirement
Form, designs and produces simple and convenient, low cost.The new type of passive formula buffering stop block is to existing building, bridge structure control
The useful supplement of technology processed and perfect, cost is greatly reduced while ensureing that sinker will not fail and play cushioning effect,
With good development prospect.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is a kind of structure diagram for new type of passive formula buffering stop block that the embodiment of the utility model provides；
Fig. 2 is a kind of profile for new type of passive formula buffering stop block that the embodiment of the utility model provides；
Fig. 3 is the equal width cam mechanism structure diagram of the embodiment of the utility model；
Fig. 4 is the connection diagram for the new type of passive formula buffering stop block group that another embodiment of the utility model provides.
Wherein, 1- ball-screws；11- nuts；12- thrust bearings；13- night bolt components；131- night bolts；132-
Latch shell；1321- buttonholes；2- equal width cam mechanisms；The first junction buttons of 21-；Tetra- frames of 22-；23- cams；3- sinkers；
31- sinker fixed seats；The second junction buttons of 32-；4- pedestals；41- mounting holes；5- position-limited racks；51- upper limit baffles；52- lateral spacings
Position baffle；521- ribbed stiffeners；61- the first new type of passive formula buffering stop blocks；62- the second new type of passive formulas buffer limit fills
Put；7- building structure or bridge structure.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to shown in Fig. 1-Fig. 4, the utility model provides a kind of new type of passive formula buffering stop block, it includes pedestal
4 and the equal width cam mechanism 2 on pedestal 4, position-limited rack 5,1, two group of sinker 3 of ball-screw and sinker fixed seat
31, the equal width cam mechanism 2 includes four frames 22 and the cam 23 in four frame 22, the cam 23 and institute
The nut 11 for stating ball-screw 1 connects, and sinker 3 described in two groups is separately mounted to disappearing for the both sides of the equal width cam mechanism 2
Can in device fixed seat 31, end of the sinker 3 described in two groups away from the sinker fixed seat 31 respectively with four frame 22
Both sides connection, the position-limited rack 5 be installed on the equal width cam mechanism 2 periphery, 23 mechanism of cam is described spacing
Make straight reciprocating motion under the limitation of frame 5 between sinker 3 described in two groups, the ball-screw 1 is away from the constant breadth cam
One end of mechanism 2 is equipped with the night bolt component 13 for being used for being connected with building structure or bridge structure, the night bolt component
13 include night bolt 131 and latch shell 132, and the latch shell 132 is actively socketed on outside the night bolt 131, institute
The both sides for stating latch shell 132 are equipped with the buttonhole 1321 for being used for coordinating with night bolt 131.It is provided by the utility model a kind of new
Type passive type buffering stop block, compared with prior art, has the advantages that：1st, the outstanding feature of the utility model
It is that limited shift reciprocately in allowed band occurs all the time for sinker 3.The utility model devises ball-screw 1 and constant breadth cam
Mechanism 2, when building structure or bridge structure produce larger horizontal displacement under rarely occurred earthquake, the effect of pole rarely occurred earthquake, spring
Latch 131 moves to maximum displacement, and buttonhole 1321 pins on night bolt 131 and latch shell 132, will promote ball-screw 1
It is axially moved, horizontal movement is converted into rotary motion by ball-screw 1, and drives constant breadth cam 23 to move, equal width cam mechanism 2
Rotary motion is changed into linear reciprocating motion, so that the linear reciprocating motion in limited distance occurs all the time for sinker 3, is avoided
Sinker 3 displacement transfinites and fails or destroy.2nd, the utility model has the amplification effect of good power.This practicality
It is new by rationally designing cam 23, adjust eccentric distance, then the active force that sinker 3 provides can realize amplification, put
Big effect can even reach ten times or tens times.3rd, there is the utility model good buffer limit to act on.Make in frequently occurred earthquake
Under, the relative displacement on night bolt 131 and latch shell 132 between buttonhole 1321 is smaller, outside night bolt 131 and latch
Buttonhole 1321 does not pin on shell 132, and sinker 3 is not had an effect；The night bolt under rarely occurred earthquake, the effect of pole rarely occurred earthquake
131 and latch shell 132 on relative displacement between buttonhole 1321 reach maximum, on night bolt 131 and latch shell 132
Buttonhole 1321 pins, and sinker 3 is had an effect, and obtains preferable energy-dissipating and shock-absorbing, realizes that buffer limit acts on.
More preferably, in the present embodiment, the position-limited rack 5 includes upper limit baffle 51 and two side postive stop baffles 52, institute
Upper limit baffle 51 is stated to be fixedly connected between two side postive stop baffles 52 and be covered in two side postive stop baffles 52
Top so that the more stable operation of equal width cam mechanism 2.
More preferably, in the present embodiment, the middle part of the upper limit baffle 51 offers a sliding slot (not shown),
The top slide of four frame 22 is connected in the sliding slot.
More preferably, in the present embodiment, the both sides of four frame 22 are respectively provided with is connected with the sinker 3
The first junction button 21.
More preferably, in the present embodiment, for 23 clamping connection of cam between two nuts 11, two nuts 11 are opposite
In being respectively provided with a thrust bearing 12 on the reverse side of the cam 23, to support ball-screw 1.
More preferably, in the present embodiment, the pedestal 4 is equipped with multiple mounting holes 41, is distributed in the edge of pedestal 44,
Installed and used for pedestal 44.
More preferably, in the present embodiment, the top of the sinker fixed seat 3132 is provided with the second junction button 31, institute
On the second junction button 31 and four frames 22 21 the first junction button 22 is stated to be arranged in same level height, the first junction button 21 with
The distance between second junction button is determined by the size of sinker 33.
More preferably, in the present embodiment, the side postive stop baffle 525 has one or more to be used to support the side limiting block
The fixation ribbed stiffener 521 of plate 52, ensures the stability of whole mechanism.
It should also be noted that, in another embodiment of the utility model, two or more new type of passive formula bufferings
It can be connected in series with each other between limiting device, to form new type of passive formula buffering stop block group 6.For example, two described new
The situation of passive type buffering stop block concatenation is shown in Figure 4, wherein, the first new type of passive formula buffering stop block 61 and the
Multiple cams 23 are concatenated using 1 end spring latch assembly 13 of ball-screw between two new type of passive formula buffering stop blocks 62
To together, completion concatenates work.It should be noted in cascade process：The two neighboring new type of passive formula buffer limit dress
Connecting portion is connected by night bolt component 13 between putting, herein connecting spring latch 131 and the buttonhole on latch shell 132
Displacement stroke between 1321 is than buttonhole 1321 on the night bolt 131 at building structure, bridge structure and latch shell 132
Between displacement stroke it is big, it is specific to need to determine according to two-stage buffer limit stroke is realized.
A kind of new type of passive formula buffering stop block provided by the utility model, compared with prior art, has as follows
Beneficial effect：1st, the outstanding feature of the utility model is that limited shift reciprocately in allowed band occurs all the time for sinker 3.This reality
Ball-screw 1 and equal width cam mechanism 2 with new design, building structure or bridge under rarely occurred earthquake, the effect of pole rarely occurred earthquake
When girder construction produces larger horizontal displacement, night bolt 131 moves to maximum displacement, night bolt 131 and latch shell
Buttonhole 1321 pins on 132, and ball-screw 1 will be promoted to be axially moved, and horizontal movement is converted into rotary motion by ball-screw 1,
And driving constant breadth cam 23 to move, rotary motion is changed into linear reciprocating motion by equal width cam mechanism 2, so that sinker 3 begins
The linear reciprocating motion in limited distance occurs eventually, avoiding 3 displacement of sinker transfinites and fail or destroy.2nd, this practicality
It is new that there is good force amplification effect.The utility model adjusts eccentric distance, then sinker 3 by rationally designing cam 23
The active force of offer can realize amplification, and amplification effect can even reach ten times or tens times.
3rd, there is the utility model good buffer limit to act on.Frequently occurred earthquake effect under, night bolt 131 and insert
The relative displacement sold on shell 132 between buttonhole 1321 is smaller, and buttonhole 1321 is unlocked on night bolt 131 and latch shell 132
Firmly, sinker 3 is not had an effect；Night bolt 131 and latch shell 132 buckle it under rarely occurred earthquake, the effect of pole rarely occurred earthquake
Between relative displacement reach maximum, buttonhole 1321 pins on night bolt 131 and latch shell 132, and sinker 3 is made
With, obtain preferable energy-dissipating and shock-absorbing, realize buffer limit act on.
The utility model is applied widely, and cost can be greatly decreased.The utility model can be combined with all kinds of damping devices
Use.The power and energy dissipating amplification of the present apparatus can reach the work of large-tonnage sinker 3 by designing small tonnage sinker 3
With effect, so that cost be greatly reduced.The present apparatus is during designing and producing, it is only necessary to according to design requirement be made steel plate or
Concrete structure form, designs and produces simple and convenient, low cost.The new type of passive formula buffering stop block be to existing building,
The useful supplement of bridge structure control technology and perfect, ensure sinker 3 will not fail play cushioning effect while significantly
Reduce cost, there is good development prospect.
In the description of the utility model, it is to be understood that the indicating position such as term " on ", " under ", "left", "right" or
Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description,
Rather than the device or element of instruction or hint meaning must have specific orientation and specific azimuth configuration and operation,
It is thus impossible to it is interpreted as the limitation to the utility model.In addition, " first ", " second " are merely due to describe purpose, and be not understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Therefore, define " first ",
One or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the utility model, unless
It is otherwise noted, " multiple " are meant that two or more.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " installation "
" connected " " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected with by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understands above-mentioned art
Concrete meaning of the language in the utility model.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (9)
- A kind of 1. new type of passive formula buffering stop block, it is characterised in that the constant breadth cam including pedestal and on pedestal Mechanism, position-limited rack, ball-screw, two groups of sinkers and sinker fixed seat, the equal width cam mechanism include four frames and peace Cam in four frame, the cam are connected with the nut of the ball-screw, and sinker described in two groups is pacified respectively In the sinker fixed seat of the both sides of the equal width cam mechanism, sinker described in two groups is away from the sinker fixed seat Both sides of the end respectively with four frame be connected, the position-limited rack is installed on the periphery of the equal width cam mechanism, described Cam mechanism makees straight reciprocating motion under the limitation of the position-limited rack between sinker described in two groups, and the ball-screw is remote One end from the equal width cam mechanism is equipped with and is used for the night bolt component that is connected with building structure or bridge structure.
- 2. new type of passive formula buffering stop block according to claim 1, it is characterised in that the night bolt component bag Night bolt and latch shell are included, the latch shell is actively socketed on outside the night bolt, the both sides of the latch shell Equipped with the buttonhole for coordinating with night bolt.
- 3. new type of passive formula buffering stop block according to claim 1, it is characterised in that the position-limited rack includes the upper limit Position baffle and two side postive stop baffles, the upper limit baffle are fixedly connected between two side postive stop baffles and are covered in The top of two side postive stop baffles.
- 4. new type of passive formula buffering stop block according to claim 3, it is characterised in that in the upper limit baffle Portion offers a sliding slot, and the top slide of four frame is connected in the sliding slot.
- 5. new type of passive formula buffering stop block according to claim 1, it is characterised in that the both sides of four frame point The first junction button being connected with the sinker She You be used for.
- 6. new type of passive formula buffering stop block according to claim 1, it is characterised in that the cam clamping connection is in two institutes Between stating nut, two nuts on the reverse side of the cam relative to being respectively provided with a thrust bearing.
- 7. new type of passive formula buffering stop block according to claim 1, it is characterised in that the pedestal is equipped with multiple Mounting hole.
- 8. new type of passive formula buffering stop block according to claim 1, it is characterised in that the sinker fixed seat Top is provided with the second junction button, and the first junction button on second junction button and four frames is arranged on same level height On.
- 9. new type of passive formula buffering stop block according to claim 3, it is characterised in that the side postive stop baffle is equipped with One or more is used to support the fixation ribbed stiffener of the side postive stop baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876022.3U CN207268032U (en) | 2017-07-18 | 2017-07-18 | A kind of new type of passive formula buffering stop block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876022.3U CN207268032U (en) | 2017-07-18 | 2017-07-18 | A kind of new type of passive formula buffering stop block |
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| Publication Number | Publication Date |
|---|---|
| CN207268032U true CN207268032U (en) | 2018-04-24 |
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ID=61960067
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876022.3U Active CN207268032U (en) | 2017-07-18 | 2017-07-18 | A kind of new type of passive formula buffering stop block |
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| Country | Link |
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| CN (1) | CN207268032U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489093A (en) * | 2017-07-18 | 2017-12-19 | 广州大学 | A kind of damping, buffering mechanism |
| CN109811923A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of gear type marmem damper with response amplification effect |
| CN109811924A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of cylinder cam-type damper response amplifying device |
-
2017
- 2017-07-18 CN CN201720876022.3U patent/CN207268032U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489093A (en) * | 2017-07-18 | 2017-12-19 | 广州大学 | A kind of damping, buffering mechanism |
| CN107489093B (en) * | 2017-07-18 | 2020-02-21 | 广州大学 | Shock attenuation buffer gear |
| CN109811923A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of gear type marmem damper with response amplification effect |
| CN109811924A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of cylinder cam-type damper response amplifying device |
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