CN109027067B - Mechanical damper - Google Patents
Mechanical damper Download PDFInfo
- Publication number
- CN109027067B CN109027067B CN201811274834.6A CN201811274834A CN109027067B CN 109027067 B CN109027067 B CN 109027067B CN 201811274834 A CN201811274834 A CN 201811274834A CN 109027067 B CN109027067 B CN 109027067B
- Authority
- CN
- China
- Prior art keywords
- cavity
- ball screw
- ball
- seat
- brake
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/40—Screw-and-nut
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a mechanical damper, which comprises a cylinder body (6), wherein a shell (7) is sleeved and connected to the outer side of the cylinder body (6), the cylinder body (6) comprises a first cavity and a second cavity which are mutually communicated, the diameter of the first cavity is larger than that of the second cavity, a ball nut capable of rotating a ball screw is arranged in the second cavity, a brake disc capable of rotating the ball screw is arranged in the first cavity, and a friction plate capable of enabling the brake disc to decelerate is arranged in the first cavity. The position of the friction plate of the device can be adjusted, and the braking force of the device can be prevented from being reduced.
Description
Technical Field
The invention relates to a damper, in particular to a mechanical damper.
Background
The dampers can be classified into according to their types and applications: spring dampers, hydraulic dampers, pulse dampers, rotary dampers, viscous dampers, and mechanical dampers.
A mechanical damper is a kind of damper that converts damping force into mechanical force, and decelerates the mechanical force by decelerating the mechanical force. The friction part of the existing mechanical damper has the problem of braking force reduction after long-time use.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a mechanical damper.
The technical scheme of the invention is as follows:
the utility model provides a mechanical damper, includes barrel 6, barrel 6 outside cover is established and is connected with casing 7, barrel 6 is including the first cavity and the second cavity of mutual intercommunication, the diameter of first cavity is greater than the diameter of second cavity, its characterized in that:
the bearing sleeve 9, the ball nut 10 and the ball screw 11 are arranged in the second cavity, the ball nut 10 is sleeved on the outer wall of the ball screw 11, the bearing sleeve 9 is sleeved on the outer side of the ball screw 11 and is connected with the ball nut 10, the end part of the second cavity is fixedly connected with the side surface of the outer shell 7 of the sliding bearing 8, the outer shell 7 of the sliding bearing 8 is fixedly connected to the inner wall of the shell 7, the bearing sleeve 9 is sleeved in the sliding bearing 8 in a sliding manner, and the connector 3 connected with the bearing sleeve 9 is further arranged in the shell 7;
the ball screw 11 further extends into the first cavity, a spring, a key 13, a flywheel 14, a steel ball 16 seat 15, a steel ball 16 and a brake disc 17 are arranged in the first cavity, wherein the flywheel 14 is sleeved outside the ball screw 11 and is connected with the ball screw through the key 13, one end of the spring is connected to the inner wall of the first cavity, one end of the spring is clamped and connected into an annular groove of the flywheel 14, the steel ball 16 seat 15 is sleeved outside the ball screw 11 in an annular mode, a hemispherical groove is formed in the ball screw 11, the steel ball 16 is fixedly arranged in the hemispherical groove, the end portion of the brake disc 17, which is in an annular mode, is fixedly attached to the inner wall of the cylinder 6, and the end portion of the brake disc 17 is an inclined surface;
the end of the cylinder 6 is further provided with a brake seat 18, the brake seat 18 comprises a brake housing 1817 and friction plates 182 which are connected to the brake housing 1817 in a clamping mode, the friction plates 182 are in a quarter circle shape, the number of the friction plates 182 is four, the edges of the friction plates 182 are inclined planes, when the four friction plates 182 form a circle, a second adjusting hole 184 in a round table shape is formed in the center of the rear end of the round friction plates, the movable housing 7 is provided with a nut hole 185 which is opposite to the movable housing and has a diameter larger than that of the second adjusting hole 184, an adjusting nut 183 is connected to the nut hole 185 in a threaded mode, and the end portion of the adjusting nut 183 is clamped into the second adjusting hole 184 in a round table shape.
Further, four mounting grooves 186 are formed in the brake housing 1817, each mounting groove 186 includes a circular portion 1861 and a linear portion 1862, a slider 187 is disposed on the friction plate 182, and the slider 187 is snap-fitted into the mounting groove 186, the shape of the slider 187 corresponds to that of the mounting groove 186.
Further, a connection seat 5 is further connected to the outer side of the brake housing 1817, a circular first mounting hole 51 and a square first adjusting hole 52 are provided on the connection seat 5, one end of the adjusting nut 183 is located in the first adjusting hole 52, a ball pin 4 and a ball pin 4 shaft are mounted in the first mounting hole 51, and the ball pin 4 shaft is connected with the first pin seat 1.
Further, the connector 3 is further connected with a second pin base 2.
Further, an annular limiting ring 61 is further disposed in the cylinder 6, and an annular limiting block is connected to an end portion of the bearing sleeve 9.
The invention has the following advantages:
(1) The device converts linear motion into rotary motion and then brakes through the friction plate;
(2) The position of the friction plate of the device can be adjusted, and the braking force of the device can be prevented from being reduced.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate a certain embodiment of the present invention and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the inventive brake pad;
FIG. 3 is a schematic view of the assembled front face of the friction plate of the present invention;
FIG. 4 is a schematic structural view of the inventive brake housing;
FIG. 5 is a schematic view of the structure of the inventive mounting groove;
FIG. 6 is a schematic view of the structure of the reverse side of the friction plate of the invention;
in the figure:
1-a first pin boss; 2-a second pin boss; 3-a connector; 4-ball pins; 41-pin shafts;
5-connecting seats; 51-a first mounting hole; 52-a first adjustment hole;
6, a cylinder; 61-limiting rings;
7-a housing; 8-sliding bearings; 9-bearing sleeve; 10-ball nut; 11-ball screw; 12-a return spring; 13-bond; 14-flywheel; 15-a steel ball seat; 16-steel balls; 17-a brake disc;
18-a brake seat; 181-a brake housing; 182-friction plate; 183-adjusting the nut; 184-a second adjustment hole; 185-nut hole; 186-mounting groove; 1861-rounded portion; 1862-straight line portion; 187-slider.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1, a mechanical damper according to a preferred embodiment of the present invention includes a cylinder 6, a housing 7 is sleeved outside the cylinder 6, the cylinder 6 includes a first cavity and a second cavity which are mutually communicated, the diameter of the first cavity is larger than that of the second cavity, a bearing sleeve 9, a ball nut 10 and a ball screw 11 are disposed in the second cavity, the ball nut 10 is sleeved on the outer wall of the ball screw 11, the bearing sleeve 9 is sleeved outside the ball screw 11 and is connected with the ball nut 10, the end of the second cavity is fixedly connected with a side surface of an outer housing of the sliding bearing 8, the outer housing of the sliding bearing 8 is fixedly connected to the inner wall of the housing 7, the bearing sleeve 9 is slidably sleeved in the sliding bearing 8, and a connector 3 connected with the bearing sleeve 9 is also disposed in the housing 7; the bearing sleeve 9 and the outer wall of the ball screw 11 are in contact with each other at a certain distance, and when the connector 3 is stressed, the connector 3 drives the bearing sleeve 9 to slide along the sliding bearing 8, so that the ball nut 10 is driven to move back and forth, and the ball screw 11 is rotated and simultaneously moves reversely relative to the ball nut 10.
The ball screw 11 also extends into a first cavity, a spring 12, a key 13, a flywheel 14, a steel ball seat 15, a steel ball 16 and a brake disc 17 are arranged in the first cavity, wherein the flywheel 14 is sleeved outside the ball screw 11 and is connected with the ball screw 11 through the key 13, one end of the spring 12 is connected to the inner wall of the first cavity, the other end of the spring 12 is connected to the annular groove of the flywheel 14 in a clamping way, the steel ball seat 15 is sleeved outside the ball screw 11 in an annular way, a hemispherical groove is arranged on the ball screw 11, the steel ball 16 is fixedly arranged in the hemispherical groove, the end part of the brake disc 17, which is in an annular shape, is fixedly attached to the inner wall of the cylinder 6, and the end part of the brake disc 17 is an inclined plane; after the ball screw 11 rotates, the flywheel 14 can be driven to rotate by the key 13, the flywheel 14 is also provided with a hemispherical groove, when the ball screw 11 moves until the flywheel 14 is clamped in the steel ball, the steel ball seat 15 can be driven to rotate, meanwhile, the brake disc 17 is driven to rotate, and the reset spring 12 is positioned in the stretching device.
The end of the cylinder body 6 is further provided with a brake seat 18, the brake seat 18 comprises a brake shell 181 and friction plates 182 which are connected to the brake shell 181 in a clamping mode, the friction plates 182 are in a quarter round shape, the number of the friction plates is four, the edges of the friction plates are inclined planes, when the four friction plates 182 form a round shape, a round table-shaped second adjusting hole 184 is formed in the center of the round friction plates, a nut hole 185 which is opposite to the movable shell 181 and has a diameter larger than that of the second adjusting hole 184 is formed in the movable shell 181, an adjusting nut 183 is connected to the nut hole 185 in a threaded mode, and the end portion of the adjusting nut 183 is clamped into the second adjusting hole 184, and the end portion of the adjusting nut 183 is in a round table shape. When the ball screw continues to move until the inclined surface of the brake disc 17 is contacted with the inclined surface of the friction plate 182, friction damping is realized between the brake disc and the friction plate, and a braking effect is achieved.
Four mounting grooves 186 are formed in the brake housing 181 in a cross shape, each mounting groove 186 includes a circular portion 1861 and a linear portion 1862, a slider 187 is formed on the friction plate 182 in a shape corresponding to the mounting groove 186, and the slider 187 is engaged with the mounting groove 186.
After a period of use, the friction plate 182 will wear and its braking effect will decrease, so the friction plate 182 can be adjusted outwards by adjusting the position of the adjusting nut 183, thereby ensuring the braking effect.
The brake housing 181 is also connected to the outer side with a connection seat 5, on which connection seat 5 a circular first mounting hole 51 and a square first adjustment hole 52 are provided, one end of an adjustment nut 183 is located in the first adjustment hole 52, the first mounting hole 51 is provided with a ball pin 4 and a ball pin shaft 41, and the ball pin shaft 41 is connected to the first pin seat 1.
The connecting head 3 is also connected with a second pin seat 2.
An annular stop ring 61 is also provided in the barrel 6, and an annular stop is connected to the end of the bearing sleeve 9. The excessive displacement is prevented from falling off.
The invention has the following advantages:
(1) The device converts linear motion into rotary motion and then brakes through the friction plate;
(2) The position of the friction plate of the device can be adjusted, and the braking force of the device can be prevented from being reduced.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a mechanical damper, includes barrel (6), barrel (6) outside cover is established and is connected with casing (7), barrel (6) are including the first cavity and the second cavity of mutual intercommunication, the diameter of first cavity is greater than the diameter of second cavity, its characterized in that:
the bearing sleeve (9), the ball nut (10) and the ball screw (11) are arranged in the second cavity, the ball screw (10) is sleeved on the outer wall of the ball screw (11), the bearing sleeve (9) is sleeved on the outer side of the ball screw (11) and is connected with the ball screw (10), the end part of the second cavity is fixedly connected with the side surface of the outer shell of the sliding bearing (8), the outer shell of the sliding bearing (8) is fixedly connected to the inner wall of the shell (7), the bearing sleeve (9) is sleeved in the sliding bearing (8) in a sliding mode, and the connector (3) connected with the bearing sleeve (9) is further arranged in the shell (7);
the ball screw (11) further extends into the first cavity, a spring (12), a key (13), a flywheel (14), a steel ball seat (15), a steel ball (16) and a brake disc (17) are arranged in the first cavity, the flywheel (14) is sleeved outside the ball screw (11) and connected with the ball screw through the key (13), one end of the spring (12) is connected into an annular groove of the flywheel (14) in a clamping way on the inner wall of the first cavity, the steel ball seat (15) is sleeved outside the ball screw (11) in an annular way, a hemispherical groove is formed in the ball screw (11), the steel ball (16) is fixedly arranged in the hemispherical groove, the end part of the brake disc (17) fixed on the steel ball seat (15) is tightly attached to the inner wall of the cylinder (6) in an annular way, and the end part of the brake disc (17) is an inclined plane;
the end part of the cylinder body (6) is further provided with a brake seat (18), the brake seat (18) comprises a brake shell (181) and friction plates (182) which are connected to the brake shell (181) in a clamping mode, the friction plates (182) are in a quarter round shape, the number of the friction plates is four, the edges of the friction plates are inclined planes, when the four friction plates (182) form a round shape, the center of the friction plates is provided with a second round table-shaped adjusting hole (184), the movable shell (181) is provided with a nut hole (185) which is opposite to the second round table-shaped adjusting hole (184), the diameter of the nut hole (185) is larger than that of the second round table-shaped adjusting hole, an adjusting nut (183) is connected to the end part of the adjusting nut (183) in the second round table-shaped adjusting hole (184) in a clamping mode;
four mounting grooves (186) which are cross-shaped are formed in the brake shell (181), the mounting grooves (186) comprise round portions (1861) and straight portions (1862), sliding blocks (187) which correspond to the mounting grooves (186) in shape are arranged on the friction plates (182), and the sliding blocks (187) are mounted in the mounting grooves (186) in a clamping mode;
an annular limiting ring (61) is further arranged in the cylinder body (6), and an annular limiting block is connected to the end portion of the bearing sleeve (9).
2. A mechanical damper according to claim 1, characterized in that: the brake housing (181) outside still is connected with connecting seat (5), be provided with circular shape first mounting hole (51) and square first adjustment hole (52) on connecting seat (5), the one end of adjusting nut (183) is located in first adjustment hole (52), ball round pin (4) and ball round pin axle (41) are installed in first mounting hole (51), first round pin seat (1) is connected to ball round pin axle (41).
3. A mechanical damper according to claim 1, characterized in that: the connector (3) is also connected with a second pin seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274834.6A CN109027067B (en) | 2018-10-30 | 2018-10-30 | Mechanical damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274834.6A CN109027067B (en) | 2018-10-30 | 2018-10-30 | Mechanical damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027067A CN109027067A (en) | 2018-12-18 |
| CN109027067B true CN109027067B (en) | 2023-08-15 |
Family
ID=64614443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811274834.6A Active CN109027067B (en) | 2018-10-30 | 2018-10-30 | Mechanical damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027067B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156277A (en) * | 2020-03-06 | 2020-05-15 | 江苏容大减震科技股份有限公司 | Series damper based on fluid and compression principle and working method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8703010D0 (en) * | 1986-02-18 | 1987-03-18 | Daikin Mfg Co Ltd | Flywheel assembly |
| WO2003054411A1 (en) * | 2001-12-13 | 2003-07-03 | Gestion Laforest Inc. | Brake for linear movements of rods |
| CN1551955A (en) * | 2001-09-05 | 2004-12-01 | Chr | Electromagnetic brake with damping element with variable spring rate |
| CN101181923A (en) * | 2006-10-27 | 2008-05-21 | Hb悬架产品有限公司 | Adjustable and progressive coil spring system for two wheeled vehicles |
| CN203532617U (en) * | 2013-10-24 | 2014-04-09 | 上海瑞纽机械装备制造有限公司 | Shock resisting damper with damping structure combining inertia bearing with friction braking |
| CN204459042U (en) * | 2014-11-21 | 2015-07-08 | 常州维能达精机有限公司 | A kind of ball wire bar pair journey error correction damper |
| CN205207486U (en) * | 2015-12-15 | 2016-05-04 | 上海瑞纽机械装备制造有限公司 | Mechanical damper of radial braking |
-
2018
- 2018-10-30 CN CN201811274834.6A patent/CN109027067B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8703010D0 (en) * | 1986-02-18 | 1987-03-18 | Daikin Mfg Co Ltd | Flywheel assembly |
| CN1551955A (en) * | 2001-09-05 | 2004-12-01 | Chr | Electromagnetic brake with damping element with variable spring rate |
| WO2003054411A1 (en) * | 2001-12-13 | 2003-07-03 | Gestion Laforest Inc. | Brake for linear movements of rods |
| CN101181923A (en) * | 2006-10-27 | 2008-05-21 | Hb悬架产品有限公司 | Adjustable and progressive coil spring system for two wheeled vehicles |
| CN203532617U (en) * | 2013-10-24 | 2014-04-09 | 上海瑞纽机械装备制造有限公司 | Shock resisting damper with damping structure combining inertia bearing with friction braking |
| CN204459042U (en) * | 2014-11-21 | 2015-07-08 | 常州维能达精机有限公司 | A kind of ball wire bar pair journey error correction damper |
| CN205207486U (en) * | 2015-12-15 | 2016-05-04 | 上海瑞纽机械装备制造有限公司 | Mechanical damper of radial braking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027067A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2014040902A5 (en) | ||
| CN109027067B (en) | Mechanical damper | |
| US8807297B2 (en) | Mechanical disk brake caliper assembly | |
| JP2017124706A (en) | Electric brake device | |
| CN204041784U (en) | Worm gear ball wedge disc type electric parking brake | |
| US20190256060A1 (en) | Motor with a cone clutch motor brake | |
| CN110375015A (en) | A kind of light-duty brake | |
| JP2012193802A (en) | Electric brake device with parking mechanism | |
| CN111005939A (en) | A radial protection system for magnetic suspension bearings | |
| CN114321225A (en) | Braking device, power assembly and equipment | |
| CN220320288U (en) | Worm gear structure for eliminating worm gear shaft vibration | |
| JP2022525800A (en) | Operating device for the braking system | |
| CN206668779U (en) | A kind of yielding coupling | |
| CN212537434U (en) | Industrial multi-angle adjusting camera | |
| CN210461392U (en) | Self-lubricating bearing | |
| CN113864329A (en) | Ball bearing structure | |
| CN209539870U (en) | A kind of mechanical damper | |
| CN106838182B (en) | Ball screw capable of realizing quick clutch | |
| CN108443367B (en) | Brake, electric wheel and vehicle | |
| CN212672214U (en) | Adjustable self-balancing stop-and-go joint | |
| CN107917154A (en) | Two-way backstop meeting high-speed rotation | |
| CN105443626B (en) | Stopping caliper novel ball disc type driving mechanism | |
| CN207609698U (en) | Bi-directional backstop for high-speed rotation | |
| CN223563339U (en) | Thrust conversion device based on spring ball | |
| CN207728655U (en) | Rotary cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |