CN108386479A - Damper for building anti-fall catching device - Google Patents
Damper for building anti-fall catching device Download PDFInfo
- Publication number
- CN108386479A CN108386479A CN201810152299.0A CN201810152299A CN108386479A CN 108386479 A CN108386479 A CN 108386479A CN 201810152299 A CN201810152299 A CN 201810152299A CN 108386479 A CN108386479 A CN 108386479A
- Authority
- CN
- China
- Prior art keywords
- cylinder sleeve
- slide bar
- catching device
- building anti
- translation
- 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.)
- Pending
Links
Classifications
-
- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/3405—Throttling passages in or on piston body, e.g. slots
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of dampers for building anti-fall catching device, including cylinder sleeve and slide bar, slide bar is placed on cylinder sleeve in sliding axially, the upper end of slide bar passes through cylinder sleeve and is fixedly installed upper limit plate, it is provided with the column spring for being coated at slide bar epimere between at the top of upper limit plate and cylinder sleeve, bullet peaks at the bottom surface of upper limit plate and the upper top surface of cylinder sleeve respectively at the both ends of column spring；The translation piston ring being prepared by permanent magnet is further fixedly arranged on the slide bar, it is described translation piston ring outer circle and cylinder sleeve inner circle between gap setting and formed circumferentially form damp channel, the cylinder sleeve inner cavity is provided with magnetorheological fluid, and the lower end of the slider is pierced by cylinder sleeve and is fixed with bearing net；The cylinder sleeve epimere inner circle is the undergauge curved surface that internal diameter is gradually reduced from top to bottom, so that wide section of damp channel becomes narrow gradually during when translation, piston moves downward；A kind of buffering of variable damping can be provided bearing net, be conducive to the momentum of the lower junk of buffering, ensure the safety of bearing net.
Description
Technical field
The present invention relates to building fields, and in particular to a kind of damper for building anti-fall catching device.
Background technology
Currently, in building trade, usually catching device can be used to no progress of unexpectedly falling during build
Accept, avoid causing security risk to ground, and it is existing protected generally by overlap joint guard plate etc., but overlap process
Complexity, the duration is longer, and the undertaking of the larger lower junk of corresponding weight was descended to look into, and easily leads to security risk, is unfavorable for large size
Lower junk prevents, and therefore, by junk under being accepted in bearing net, but existing bearing net is typically secured to supporting rack
On, it when lower junk impacts easily causes bearing net momentum and crosses and greatly damage.
Therefore, in order to solve the above problem, a kind of damper for building anti-fall catching device is needed, it can be to bearing net
A kind of buffering of variable damping is provided, is conducive to the momentum of the lower junk of buffering, ensures the safety of bearing net.
Invention content
In view of this, the purpose of the present invention is overcoming defect in the prior art, provide for building anti-fall catching device
Damper, a kind of buffering of variable damping can be provided bearing net, be conducive to the momentum of the lower junk of buffering, ensure the peace of bearing net
Entirely.
The damper for building anti-fall catching device of the present invention, including cylinder sleeve and slide bar, the slide bar are slided in an axial direction
Cylinder sleeve is placed in dynamic, the upper end of the slide bar passes through cylinder sleeve and is fixedly installed upper limit plate, the upper limit plate and cylinder sleeve top
It is provided with the column spring for being coated at slide bar epimere between portion, bullet peaks at the bottom of upper limit plate respectively for the both ends of the column spring
The upper top surface in face and cylinder sleeve；The translation piston ring being prepared by permanent magnet, the translation are further fixedly arranged on the slide bar
Between the outer circle and cylinder sleeve inner circle of piston ring gap setting and formed circumferentially form damp channel, the cylinder sleeve inner cavity is provided with
Magnetorheological fluid, the lower end of the slider are pierced by cylinder sleeve and are fixed with bearing net；The cylinder sleeve epimere inner circle is that internal diameter gradually subtracts from top to bottom
Small undergauge curved surface, so that wide section of damp channel becomes narrow gradually during piston moves downward when translation.
Further, the slide bar outer circle is additionally provided with the external thread section in cylinder sleeve, further includes the side with axial limiting
Formula thread jacket includes thread jacket in external thread section in the rotary-piston component of external thread section, the rotary-piston component
Thread bush and fixed jacket are in the damping due to rotation set of inner screw sheath being prepared by permanent magnet.
Further, radially sunken inside forms the upper axially directed slots of two radial symmetrics to the undergauge curved surface, described flat
Radially partly protrusion forms two embedded guiding journal stirrups for corresponding to upper axially directed slot to the outer circle of piston ring；In the cylinder sleeve
Bottom is further fixedly arranged on the support cover for seat for being coated at slide bar, and the bottom of cylinder sleeve is fixed in the support cover for seat lower end, and upper end is logical
End face bearing support is crossed in the lower face of inner screw sheath.
Further, further include the baffle ring for being fixed on cylinder sleeve inner circle, the baffle ring is set to rotation in a manner of axial gap
The upper surface of damping sleeve, the damping due to rotation set and baffle ring in an axial direction between and damping due to rotation set and cylinder sleeve radially between
Form damping due to rotation chamber.
Further, the cylinder sleeve outer circle is fixedly installed welding journal stirrup.
Further, the upper end inner circle of the support cover for seat radially convexes to form lower guide protrusions, in the slide bar outer circle
For spill at axially directed slot under coordinating with lower guide protrusions, the lower guide protrusions axially directed slot under is multiple and edge
Circumferentially it is uniformly distributed.
Further, the damping due to rotation set is coated at inner screw sheath by spline structure and is adhesively fixed.
Further, the upper and lower end of the translation piston ring is respectively arranged with upper locking nut and lower locking nut, upper locking
Thread jacket is fixed in slide bar and to translation piston ring axial grip respectively for nut and lower locking nut.
The beneficial effects of the invention are as follows：A kind of damper for building anti-fall catching device disclosed by the invention, passes through
Magnetorheological fluid and the setting for having magnetic translation piston ring 35 so that the consistency of the magnetorheological fluid in damp channel 36 is in magnetic field
Under the action of increase, greatly improve damping force, meanwhile, in conjunction with column spring 34, larger damping can be provided in time and effectively
Power accepts the lower junk that weight increases, and can effectively reduce the momentum of lower junk, ensures that stub procedure is smooth, ensures to hold
The safety of connection device；It is simple and compact for structure.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
Fig. 1 is the structural diagram of the present invention, as shown, the resistance for building anti-fall catching device in the present embodiment
Buddhist nun's device, including cylinder sleeve 32 and slide bar 31, the slide bar 31 slide axially in be placed on cylinder sleeve 32, the upper end of the slide bar 31 passes through
Cylinder sleeve 32 and it is fixedly installed upper limit plate 33, is provided between 32 top of the upper limit plate 33 and cylinder sleeve and is coated at slide bar 31
The column spring 34 of epimere, bullet peaks at the bottom surface of upper limit plate 33 and the upper top of cylinder sleeve 32 respectively at the both ends of the column spring 34
Face；The translation piston ring 35 being prepared by permanent magnet is further fixedly arranged on the slide bar 31, the translation piston ring 35
Between 32 inner circle of outer circle and cylinder sleeve gap setting and formed circumferentially formed damp channel 36,32 inner cavity of the cylinder sleeve is provided with magnetic
Rheology liquid, 31 lower end of slide bar are pierced by cylinder sleeve 32 and are fixed with bearing net 23；By magnetorheological fluid and has magnetic translation piston
The setting of ring 35 so that the consistency of the magnetorheological fluid in damp channel 36 increases under the influence of a magnetic field, greatly improves damping force,
Meanwhile in conjunction with column spring 34, larger damping force can be provided in time and effectively the lower junk that weight increases is accepted,
The momentum of lower junk can be effectively reduced, ensures that stub procedure is smooth, ensures that the safety of catching device, the cylinder sleeve 32 are fixed on
On supporting rack, the lower end of slide bar is fixedly connected with bearing net.
In the present embodiment, 32 epimere inner circle of the cylinder sleeve is the undergauge curved surface 37 that internal diameter is gradually reduced from top to bottom, when flat
Piston moves downward in the process so that wide section of damp channel becomes narrow gradually；Conducive to damping force is improved, ensure damping effect and soft
It is pliable, while shortening damping distance, simple in structure, it is convenient to prepare, of low cost.
In the present embodiment, 31 outer circle of the slide bar is additionally provided with the external thread section 38 in cylinder sleeve 32, further includes with axis
To limit mode thread jacket in the rotary-piston component of external thread section 38, the rotary-piston component include thread jacket in
The inner screw sheath 39 and fixed jacket of external thread section 38 are in the damping due to rotation set 40 of inner screw sheath 39 being prepared by permanent magnet；
Damping effect is further increased, avoids damping fluctuation larger, the rotary-piston component can be used can realize this in the prior art
All structures of goal of the invention, details are not described herein.
In the present embodiment, the undergauge curved surface 37 radially sunken inside formed two radial symmetrics upper axially directed slot,
Radially partly protrusion forms two embedded upper guiding journal stirrups for corresponding to upper axially directed slot to the outer circle of the translation piston ring 35
41；Bottom is further fixedly arranged on the support cover for seat 42 for being coated at slide bar 31 in the cylinder sleeve 32, and 42 lower end of support cover for seat is solid
Due to the bottom of cylinder sleeve 32, upper end is supported in the lower face of inner screw sheath 39 by one end spherical bearing 43；Reduce damping fluctuation, institute
The section for stating undergauge curved surface 37 is spliced by semicircle, is conducive to the 31 peaceful piston rotation of limitation slide bar, and overall structure is stablized.
Further include the baffle ring 44 for being fixed on 32 inner circle of cylinder sleeve, the baffle ring 44 is in a manner of axial gap in the present embodiment
Be set to the upper surface of damping due to rotation set 40, the damping due to rotation set and baffle ring 44 in an axial direction between and damping due to rotation set and cylinder
It is respectively formed damping due to rotation chamber between covering 32 radially；Damping effect is improved, while simple in structure and stable.
In the present embodiment, 32 outer circle of the cylinder sleeve is fixedly installed welding journal stirrup 45；Conducive to the fixation of cylinder sleeve 32.
In the present embodiment, the upper end inner circle of the support cover for seat 42 radially convexes to form lower guide protrusions 46, the cunning
31 outer circle of bar be recessed with lower guide protrusions coordinate under axially directed slot, the lower guide protrusions and under axially directed slot it is equal
It is multiple and be uniformly distributed circumferentially；It is stable above and below to ensure that slide bar 31 is located at the rod segment in cylinder sleeve 32, avoid additional moment and
It engages.
In the present embodiment, the damping due to rotation set 40 is coated at inner screw sheath 39 by spline structure and is adhesively fixed；It protects
It demonstrate,proves damping due to rotation and covers 40 fixing-stables.
In the present embodiment, the upper and lower end of the translation piston ring 35 is respectively arranged with upper locking nut and lower locking nut,
Thread jacket is fixed in slide bar 31 and to translation 35 axial grip of piston ring respectively for upper locking nut and lower locking nut；Conducive to flat
35 fix stably of piston ring.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (8)
1. a kind of damper for building anti-fall catching device, it is characterised in that：Including cylinder sleeve and slide bar, the slide bar is along axis
To sliding inner sleeve in cylinder sleeve, the upper end of the slide bar passes through cylinder sleeve and is fixedly installed upper limit plate, the upper limit plate and cylinder
Set is provided with the column spring for being coated at slide bar epimere between top, and bullet peaks at upper limit plate respectively at the both ends of the column spring
Bottom surface and cylinder sleeve upper top surface；The translation piston ring being prepared by permanent magnet is further fixedly arranged on the slide bar, it is described
Be translatable piston ring outer circle and cylinder sleeve inner circle between gap setting and formed circumferentially form damp channel, the cylinder sleeve inner cavity is set
It is equipped with magnetorheological fluid, the lower end of the slider is pierced by cylinder sleeve and is fixed with bearing net；The cylinder sleeve epimere inner circle be from top to bottom internal diameter by
Decrescence small undergauge curved surface, so that wide section of damp channel becomes narrow gradually during piston moves downward when translation.
2. the damper according to claim 1 for building anti-fall catching device, it is characterised in that：The slide bar outer circle
Be additionally provided with the external thread section in the cylinder sleeve, further include in a manner of axial limiting thread jacket live in the rotation of external thread section
Plug assembly, the rotary-piston component include thread jacket in external thread section inner screw sheath and fixed jacket in inner screw sheath
The damping due to rotation set being prepared by permanent magnet.
3. the damper according to claim 2 for building anti-fall catching device, it is characterised in that：The undergauge curved surface
Radially sunken inside forms the upper axially directed slot of two radial symmetrics, and the outer circle of the translation piston ring is radially partly protruded
Form the guiding journal stirrup of two embedded corresponding axially directed slots；Bottom, which is further fixedly arranged on, in the cylinder sleeve is coated at slide bar
Cover for seat, the support cover for seat lower end is supported to be fixed on the bottom of cylinder sleeve, upper end is by end face bearing support in inner screw sheath
Lower face.
4. the damper according to claim 3 for building anti-fall catching device, it is characterised in that：Further include being fixed on
The baffle ring of cylinder sleeve inner circle, the baffle ring are set to the upper surface of damping due to rotation set, the damping due to rotation in a manner of axial gap
Set and baffle ring in an axial direction between and damping due to rotation set and cylinder sleeve radially between be respectively formed damping due to rotation chamber.
5. the damper according to claim 4 for building anti-fall catching device, it is characterised in that：The cylinder sleeve outer circle
It is fixedly installed welding journal stirrup.
6. the damper according to claim 5 for building anti-fall catching device, it is characterised in that：The support cover for seat
Upper end inner circle radially convex to form lower guide protrusions, the slide bar outer circle is recessed the lower axle coordinated with lower guide protrusions
To guide groove, the lower guide protrusions axially directed slot under is multiple and is uniformly distributed circumferentially.
7. the damper according to claim 6 for building anti-fall catching device, it is characterised in that：The damping due to rotation
Set is coated at inner screw sheath by spline structure and is adhesively fixed.
8. the damper according to claim 7 for building anti-fall catching device, it is characterised in that：The translation piston
The upper and lower end of ring is respectively arranged with upper locking nut and lower locking nut, and upper locking nut and lower locking nut are distinguished outside screw thread
It is placed on slide bar and translation piston ring axial grip is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810152299.0A CN108386479A (en) | 2018-02-14 | 2018-02-14 | Damper for building anti-fall catching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810152299.0A CN108386479A (en) | 2018-02-14 | 2018-02-14 | Damper for building anti-fall catching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108386479A true CN108386479A (en) | 2018-08-10 |
Family
ID=63068390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810152299.0A Pending CN108386479A (en) | 2018-02-14 | 2018-02-14 | Damper for building anti-fall catching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108386479A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108003A (en) * | 1999-10-12 | 2001-04-20 | Kayaba Ind Co Ltd | Rotary damper |
| CN201284812Y (en) * | 2008-11-04 | 2009-08-05 | 北京金自天和缓冲技术有限公司 | Elastic colloid buffer |
| DE102012215614A1 (en) * | 2012-09-04 | 2014-05-28 | Zf Friedrichshafen Ag | Vibration damper for use as e.g. two-pipe vibration damper, has absorbing device attached to rotationable mass, and piston rod connected with thread portion of spindle drive on which rotationable mass is axially supported on cylinder |
| CN105041956A (en) * | 2015-07-20 | 2015-11-11 | 常州大学 | Double-pole variable-cylinder passive single-control variable-damping magneto-rheological damper |
| CN105156574A (en) * | 2015-07-20 | 2015-12-16 | 常州大学 | Single-rod variable-cylinder-body passive single-control variable-damping magnetorheological damper |
| CN105288876A (en) * | 2015-11-23 | 2016-02-03 | 重庆理工大学 | Permanent magnet change length magnetorheological fluid and friction composite soft landing device |
-
2018
- 2018-02-14 CN CN201810152299.0A patent/CN108386479A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108003A (en) * | 1999-10-12 | 2001-04-20 | Kayaba Ind Co Ltd | Rotary damper |
| CN201284812Y (en) * | 2008-11-04 | 2009-08-05 | 北京金自天和缓冲技术有限公司 | Elastic colloid buffer |
| DE102012215614A1 (en) * | 2012-09-04 | 2014-05-28 | Zf Friedrichshafen Ag | Vibration damper for use as e.g. two-pipe vibration damper, has absorbing device attached to rotationable mass, and piston rod connected with thread portion of spindle drive on which rotationable mass is axially supported on cylinder |
| CN105041956A (en) * | 2015-07-20 | 2015-11-11 | 常州大学 | Double-pole variable-cylinder passive single-control variable-damping magneto-rheological damper |
| CN105156574A (en) * | 2015-07-20 | 2015-12-16 | 常州大学 | Single-rod variable-cylinder-body passive single-control variable-damping magnetorheological damper |
| CN105288876A (en) * | 2015-11-23 | 2016-02-03 | 重庆理工大学 | Permanent magnet change length magnetorheological fluid and friction composite soft landing device |
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Legal Events
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180810 |
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| RJ01 | Rejection of invention patent application after publication |