CN105526295A - External slider pressurizing device of damper - Google Patents
External slider pressurizing device of damper Download PDFInfo
- Publication number
- CN105526295A CN105526295A CN201610048149.6A CN201610048149A CN105526295A CN 105526295 A CN105526295 A CN 105526295A CN 201610048149 A CN201610048149 A CN 201610048149A CN 105526295 A CN105526295 A CN 105526295A
- Authority
- CN
- China
- Prior art keywords
- slide block
- pumping chamber
- pressurizing
- slider
- supercharging
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
- F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type
Abstract
An external slider pressurizing device of a damper comprises a pressurizing chamber, a pressurizing spring, pressurizing chamber pistons, a driving slider and a pressurizing slider, wherein the pressurizing chamber adopts a hollow structure having an open long end, the two vertically arranged pressurizing chamber pistons are arranged in an inner cavity of the pressurizing chamber, the pressurizing spring is arranged between the two pressurizing chamber pistons, the pressurizing slider is fixed at the bottom of the lower pressurizing chamber piston, a first slope is arranged at the bottom of the pressurizing slider, a bolt is arranged at the lower part of the pressurizing chamber, the driving slider is mounted on the bolt in a threaded manner and located in the pressurizing chamber, the sliding direction of the pressurizing slider is perpendicular to the sliding direction of the driving slider, and a second slope contacted with the first slope is arranged at the top of the driving slider. The external slider pressurizing device can ensure that a friction body can still have sufficient friction force with a cylinder block when action force of a shock source is smaller.
Description
Technical field
The present invention relates to frcition damper technical field, specifically a kind of its exterior slide block supercharging device.
Background technique
Vibration extensively exists in multiple field.Such as, in field of machining, because vibration makes the element precision processed reduce; At building field, because natural disaster can make building be destroyed; Vibration also can bring noise, brings harm etc. to the healthy of people.Vibration has become the key factor of restriction multiple fields development, but in a lot of situation, oscillation phenomenon is again inevitable.Therefore, take rational control structure to reduce vibration most important.
Existing frcition damper working principle is mainly: by producing the effect that friction better reaches vibration damping between friction piece and cylinder body.For ensureing the frictional force between friction piece and cylinder body, sometimes need to arrange external pressurization device on frcition damper, to make when there are the vibrations of thin tail sheep, friction piece also can and cylinder body between produce frictional force to resist the active force of focus.
Summary of the invention
The object of the present invention is to provide a kind of its exterior slide block supercharging device, for ensureing when focus active force is less, friction piece still can and cylinder body between there is enough frictional force.
The present invention solves the technological scheme that its technical problem takes: a kind of its exterior slide block supercharging device, it comprises pumping chamber, pressurized spring, pumping chamber's piston, drive slide block and supercharging slide block, described pumping chamber is the hollow structure that long end is uncovered, Liang Ge pumping chamber piston setting up and down is provided with in the inner chamber of described pumping chamber, pressurized spring is provided with between two pumping chamber's pistons, supercharging slide block is fixed with in the bottom of the pumping chamber's piston being positioned at below, the first inclined-plane is provided with in the bottom of described supercharging slide block, bolt is provided with in the bottom of described pumping chamber, on described bolt, screw thread is provided with driving slide block, described driving slide block is positioned at the inside of pumping chamber, the glide direction of described supercharging slide block is vertical with driving the glide direction of slide block, the second inclined-plane with the first contact of incline plane is provided with at the top of described driving slide block.
Further, described driving slide block and supercharging slide block are cylindrical.
Further, described pumping chamber is circular.
Further, described pressurized spring is butterfly spring.
Further, on described bolt, cover has pad.
The invention has the beneficial effects as follows: a kind of its exterior slide block supercharging device provided by the invention, by swivel bolt, just can regulate the distance between two pumping chamber's pistons, and then regulate the pretightening force of pressurized spring.Pumping chamber's piston pressure certain to the fluid in frcition damper of top, to ensure, when being subject to reducing the affecting of focus, having enough positive pressures between friction piece and cylinder body.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the graphics driving slide block;
Fig. 3 is the front view driving slide block;
Fig. 4 is the graphics of supercharging slide block;
Fig. 5 is the front view of supercharging slide block;
Fig. 6 is using state figure of the present invention;
In figure: 1 pumping chamber, 2 pressurized springs, 3 pumping chamber's pistons, 4 supercharging slide blocks, 41 first inclined-planes, 5 drive slide block, 51 tapped holes, 52 second inclined-planes, 6 bolts, 7 pads.
Embodiment
As shown in Figures 1 to 5, the present invention mainly comprises pumping chamber 1, pressurized spring 2, pumping chamber's piston 3, supercharging slide block 4, drives slide block 5 and bolt 6, describes the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, pumping chamber 1 is the uncovered circular metal part in upper end, Liang Ge pumping chamber piston 3 is installed in the inside of pumping chamber 1, between Liang Ge pumping chamber piston, pressurized spring 2 is installed, pressurized spring can select butterfly spring, is provided with supercharging slide block 4, drives slide block 5, bolt 6 and pad 7 in the bottom of pumping chamber 1.Bolt 6 screw thread is arranged on the sidewall of pumping chamber, and bolt 6 is also connected with driving slide block 5, for convenience of the installation of bolt, as shown in Figure 2, drive slide block to be cylindrical, drive skid to be arranged on the inside of pumping chamber, driving slide block is provided with the tapped hole 51 coordinated with bolt thread.Adjusted by rotating bolt 6 and drive slide block 5 position in the pumping chamber, and drive slide block vertical with the glide direction of supercharging slide block; Supercharging slide block 4 is cylindrical structural, and supercharging skid is arranged on the inside of pumping chamber, and the top of supercharging slide block and pumping chamber's piston base of below are connected.Pad 7 is set between the nut and pumping chamber of bolt, to ensure the stability between bolt and pumping chamber.
As shown in Figure 4, Figure 5, the first inclined-plane 41 is provided with in the bottom of supercharging slide block, as shown in Figure 2 and Figure 3, the second inclined-plane 52 with the first contact of incline plane is provided with driving the top of slide block, supercharging slide block 4 can be extruded move up thus pumping chamber's piston below jack-up when driving slide block 5 to move right, and then change the pretightening force of pressurized spring.During use, this slide block supercharging device is arranged on the bottom of frcition damper, is described for a kind of frcition damper below.
As shown in Figure 6, frcition damper comprises upper shell 81, operating bar 82, upper cover 83, swelling inner sleeve 84, swelling overcoat 85 and inner core 86, inner core 86 is cylinder-like structure and vertically places, the bottom of inner core is connected with pumping chamber 1 by screw thread, the upper end of pumping chamber is uncovered, and the upper end of pumping chamber is connected with the inner thread of inner core.The outer wall of inner core is provided with some groups of oil throughs, and some groups of oil throughs are arranged along the axis of inner core, and the oil through often organized circumferentially evenly is arranged, and the effect of oil through is used to transmit oil liquid pressure.The outer wall of inner core is provided with the projection of annular, distance between distance between projection and inner core top is greater than bottom projection and inner core, on inner core above projection, cover has rubber body 87, rubber body 87 is columnar structured, the inwall of rubber body and the wall contacts of inner core, the outer wall of rubber body is provided with spiral friction plate 88, and spiral friction plate is spiral helicine metalwork.A sealing mechanism is respectively equipped with at the two ends up and down of rubber body 87, sealing mechanism is made up of swelling inner sleeve 84 and swelling overcoat 85, swelling inner sleeve is the hollow structure of frustoconic shape, the inwall of swelling inner sleeve is cylindrical, the inwall of swelling inner sleeve and the wall contacts of rubber body, cover is provided with the breach of a bar shaped in swelling.Swelling overcoat is loop configuration, and the inwall of swelling overcoat is frustoconic shape, the outer wall of swelling inner sleeve and the contact internal walls of swelling overcoat.Swelling overcoat 85 is provided with internal thread, and the swelling overcoat of top is threaded with upper cover 83, and the swelling overcoat of below is connected with projecting thread.Upper cover comprises setting up and down and be connected two cylindrical bodys, and swelling overcoat is threaded with upper cylinder.Upper cover can be one-body molded, also can manufacture separately upper cylinder and lower cylinder, then be welded and fixed.When rotating swelling overcoat 85, swelling overcoat just and between swelling inner sleeve 84 produces pressure, because the swelling inner sleeve that exists of breach is shunk, and then compresses rubber body 87, makes rubber body and inner core close contact.
The lower cylinder of upper cover is also provided with outside thread, the top of inner core 86 is connected with the lower thread of upper cover 83, the axis of upper cover 83 has circular through hole to be used for operating bar 82 is installed, operating bar is circular metallic rod, upper shell 81 is fixed with at the top of operating bar, the lower end of upper shell is uncovered, good seal between operating bar and upper cover.Upper shell, operating bar, inner core, rubber body and spiral friction plate coaxial line are arranged.
During installation, the bottom of pumping chamber is connected with pedestal by hinge, and upper shell top is connected with focus by hinge.During work, focus drives upper shell vibration, the active force being applied to upper shell acts on operating bar, operating bar is inserted in inner core through after end cap, owing to being full of fluid in inner core, when operating bar with upper shell motion press-in inner core in time, oil liquid pressure increases and acts in rubber body by the oil through on inner core, rubber body is deformed, the diameter increase of rubber body makes the nominal diameter of the spiral friction plate being enclosed within rubber body outside increase, at this moment extrusion friction is produced between spiral friction plate and upper enclosure inner wall, produce friction damping force to reach the effect of damping.Length in operating bar press-in inner core is larger, oil liquid pressure in inner core is larger, frictional force between spiral friction plate and upper shell is larger, and this frcition damper can adjust the size of friction damping force automatically according to external load size like this, to produce the frictional force of corresponding size.Friction damping force changes with the change of amplitude, and vibration source is eliminated rear screw friction plate and restored to the original state, and improves the working life of spiral friction plate.
Claims (5)
1. an its exterior slide block supercharging device, it comprises pumping chamber, pressurized spring, pumping chamber's piston, drive slide block and supercharging slide block, described pumping chamber is the hollow structure that long end is uncovered, Liang Ge pumping chamber piston setting up and down is provided with in the inner chamber of described pumping chamber, pressurized spring is provided with between two pumping chamber's pistons, supercharging slide block is fixed with in the bottom of the pumping chamber's piston being positioned at below, the first inclined-plane is provided with in the bottom of described supercharging slide block, bolt is provided with in the bottom of described pumping chamber, on described bolt, screw thread is provided with driving slide block, described driving slide block is positioned at the inside of pumping chamber, the glide direction of described supercharging slide block is vertical with driving the glide direction of slide block, the second inclined-plane with the first contact of incline plane is provided with at the top of described driving slide block.
2. a kind of its exterior slide block supercharging device according to claim 1, it is characterized in that, described driving slide block and supercharging slide block are cylindrical.
3. a kind of its exterior slide block supercharging device according to claim 1, is characterized in that, described pumping chamber is circular.
4. a kind of its exterior slide block supercharging device according to claim 1, it is characterized in that, described pressurized spring is butterfly spring.
5. a kind of its exterior slide block supercharging device according to claim 1, is characterized in that, on described bolt, cover has pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048149.6A CN105526295A (en) | 2016-01-26 | 2016-01-26 | External slider pressurizing device of damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048149.6A CN105526295A (en) | 2016-01-26 | 2016-01-26 | External slider pressurizing device of damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105526295A true CN105526295A (en) | 2016-04-27 |
Family
ID=55768712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610048149.6A Pending CN105526295A (en) | 2016-01-26 | 2016-01-26 | External slider pressurizing device of damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526295A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715726A (en) * | 2016-04-28 | 2016-06-29 | 济南大学 | External jaw pressurization device for inner cylinder pressure of friction damper |
| CN109944344A (en) * | 2019-04-28 | 2019-06-28 | 中国地震局工程力学研究所 | A kind of prestressed Self-resetting friction damped braced component of assembly type variable |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB723017A (en) * | 1951-01-29 | 1955-02-02 | Anton Bueler | Improvements in or relating to hydraulic shock-absorbing device for motor vehicles |
| CN201513514U (en) * | 2009-10-30 | 2010-06-23 | 南京理工大学 | Double-cylinder magneto-rheological impact buffer |
| CN202804312U (en) * | 2012-09-05 | 2013-03-20 | 浙江恒泰皇冠园林工具有限公司 | Mechanism for adjusting rear bottom plate of handheld electric planer |
| CN103363005A (en) * | 2013-07-26 | 2013-10-23 | 株洲时代新材料科技股份有限公司 | Cone shock absorber with adjustable stiffness and installation regulating method thereof |
| CN203847927U (en) * | 2014-05-26 | 2014-09-24 | 中国十九冶集团有限公司 | Combined wedged pad iron |
| CN204900650U (en) * | 2015-08-27 | 2015-12-23 | 黄庆盛 | Adjustable hydraulic damper |
| CN205315591U (en) * | 2016-01-26 | 2016-06-15 | 济南大学 | Outside slider supercharging device of attenuator |
-
2016
- 2016-01-26 CN CN201610048149.6A patent/CN105526295A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB723017A (en) * | 1951-01-29 | 1955-02-02 | Anton Bueler | Improvements in or relating to hydraulic shock-absorbing device for motor vehicles |
| CN201513514U (en) * | 2009-10-30 | 2010-06-23 | 南京理工大学 | Double-cylinder magneto-rheological impact buffer |
| CN202804312U (en) * | 2012-09-05 | 2013-03-20 | 浙江恒泰皇冠园林工具有限公司 | Mechanism for adjusting rear bottom plate of handheld electric planer |
| CN103363005A (en) * | 2013-07-26 | 2013-10-23 | 株洲时代新材料科技股份有限公司 | Cone shock absorber with adjustable stiffness and installation regulating method thereof |
| CN203847927U (en) * | 2014-05-26 | 2014-09-24 | 中国十九冶集团有限公司 | Combined wedged pad iron |
| CN204900650U (en) * | 2015-08-27 | 2015-12-23 | 黄庆盛 | Adjustable hydraulic damper |
| CN205315591U (en) * | 2016-01-26 | 2016-06-15 | 济南大学 | Outside slider supercharging device of attenuator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715726A (en) * | 2016-04-28 | 2016-06-29 | 济南大学 | External jaw pressurization device for inner cylinder pressure of friction damper |
| CN109944344A (en) * | 2019-04-28 | 2019-06-28 | 中国地震局工程力学研究所 | A kind of prestressed Self-resetting friction damped braced component of assembly type variable |
| CN109944344B (en) * | 2019-04-28 | 2024-01-19 | 中国地震局工程力学研究所 | Assembled variable prestressing force self-resetting friction energy dissipation supporting member |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160427 |