CN114810917A - Heavy engineering equipment driver's cabin vibration isolation device - Google Patents
Heavy engineering equipment driver's cabin vibration isolation device Download PDFInfo
- Publication number
- CN114810917A CN114810917A CN202210546918.0A CN202210546918A CN114810917A CN 114810917 A CN114810917 A CN 114810917A CN 202210546918 A CN202210546918 A CN 202210546918A CN 114810917 A CN114810917 A CN 114810917A
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- Prior art keywords
- vibration isolation
- damping element
- elastic damping
- isolation device
- central screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- 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
- F16F13/20—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 characterised by comprising also a pneumatic spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/08—Superstructures for load-carrying vehicles comprising adjustable means
- B62D33/10—Superstructures for load-carrying vehicles comprising adjustable means comprising means for the suspension of the superstructure on the frame
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a heavy engineering equipment cab vibration isolation device which comprises a vibration isolation base, wherein an elastic damping element is arranged above the vibration isolation base, the elastic damping element is positioned in the vibration isolation base, a protection cavity is arranged between the vibration isolation base and the elastic damping element, the vibration isolation base is provided with an upper flange and a lower flange which are staggered, the vibration isolation base is connected with a frame through the lower flange, and the vibration isolation base is connected with the elastic damping element through the upper flange; a stopping disc for protecting the elastic damping element is arranged above the elastic damping element, the elastic damping element is connected with the stopping disc through a central screw rod, and a positioning structure is arranged between the stopping disc and the elastic damping element. The heavy engineering equipment cab vibration isolation device adopting the structure can solve the problems that the existing vibration isolator is not ideal in damping effect and is easy to damage parts.
Description
Technical Field
The invention relates to the technical field of vibration isolation devices, in particular to a vibration isolation device for a cab of heavy engineering equipment.
Background
Heavy machinery (300 horsepower) is often operated in a construction environment such as an open mine, and the road surface is uneven and the quantity of rocks is large. The vibration isolator is used for reducing the dynamic vibration and impact of ground excitation on a cab or a base, and is widely applied to modern large-scale mechanical equipment.
Although the general vibration isolator can effectively weaken the vibration in the vertical direction of the cab, the vibration attenuation effect cannot be ideal. Under the condition of long-time vibration, not only certain damage can be caused to parts, but also the mechanical equipment can be in a long-time load condition; causing noise-vibration and fidgetiness of the driver, reducing the operating efficiency and experience, and causing occupational diseases.
Disclosure of Invention
The invention aims to provide a vibration isolation device for a cab of heavy engineering equipment, which solves the problems that the existing vibration isolator is not ideal in damping effect and is easy to damage parts.
In order to achieve the purpose, the invention provides a heavy engineering equipment cab vibration isolation device which comprises a vibration isolation base, wherein an elastic damping element is arranged above the vibration isolation base, the elastic damping element is positioned in the vibration isolation base, a protection cavity is arranged between the vibration isolation base and the elastic damping element, the vibration isolation base is provided with an upper flange and a lower flange which are staggered, the vibration isolation base is connected with a frame through the lower flange, and the vibration isolation base is connected with the elastic damping element through the upper flange; a stopping disc for protecting the elastic damping element is arranged above the elastic damping element, the elastic damping element is connected with the stopping disc through a central screw rod, and a positioning structure is arranged between the stopping disc and the elastic damping element.
Preferably, the vibration isolation base is of a barrel-shaped structure, the lower flange is fixedly connected with the frame through bolts, and the upper flange is fixedly connected with the elastic damping element through rivets.
Preferably, the vibration isolation mount, the lower flange and the upper flange are coaxially arranged, and the upper flange is rotated by 10-15 degrees around the central axis relative to the lower flange.
Preferably, the protective cavity wall of the vibration isolation base is covered with a protective coating, and inert protective gas is filled in the protective cavity.
Preferably, a spline is arranged in the middle of the central screw, a key groove matched with the spline is formed in the center of the stop disc, the stop disc is connected with the central screw through the spline and the key groove, and a clamping ring having a limiting effect on the central screw is arranged in the key groove; the central screw rod is in threaded connection with the elastic damping element.
Preferably, a fixing nut is arranged at the upper part of the central screw rod.
Preferably, the positioning structure comprises a pin hole arranged on the stopping disc, a connecting hole corresponding to the pin hole is formed in the elastic damping element, the positioning pin penetrates through the pin hole and is inserted into the connecting hole, a plug for positioning and locking the positioning pin is arranged in the pin hole, and the elastic damping element is connected with the stopping disc in a positioning mode through the positioning pin.
Preferably, a groove for fixing the dust cover is arranged at the edge of the stopping disc, and the dust cover for protecting the elastic damping element is arranged between the stopping disc and the elastic damping element.
The vibration isolation device for the cab of the heavy engineering equipment has the advantages and positive effects that:
1. the upper flange and the lower flange of the vibration isolation base are arranged in a staggered mode, the upper flange and the elastic damping element can be fixedly connected through a riveting process, and the lower flange is fixed to the frame, so that the upper flange and the lower flange do not interfere in the connection process, and the vibration isolation device is convenient to install.
2. The lower flange of the vibration isolation base is used as a road surface excitation level 1 and is fixed with a vehicle body through bolts, the upper flange is used as an excitation level 2 and is fixed with the vibration isolation element through a riveting process, so that excitation is dispersed, the elastic damping element is prevented from being in direct contact with an excitation end by excitation, the discomfort brought to a driver in a cab by vibration is effectively reduced, the damping effect is improved, and the service life of the elastic damping element can be effectively prolonged.
3. The protection intracavity of vibration isolation base bottom is filled with inert gas, has the effect of protection to the elastic damping component, can effectually reduce the influence that the elastic damping component received the temperature to have the effect of anticorrosion, prevent rustting, radiation protection, anti-aging, anti ultraviolet, anticollision, can effectual improvement vibration isolation device result of use under extreme environment, effectively prolong the life of elastic damping component.
4. The stopping disc is connected with the elastic damping element through the central screw rod, the central screw rod is connected with the stopping disc through the spline, and the central screw rod is connected with the elastic damping element through the thread, so that the connection is convenient, and the installation and the disassembly are convenient.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic cross-sectional view illustrating an embodiment of a vibration isolation device for a cab of heavy construction equipment according to the present invention;
FIG. 2 is a schematic front view of a vibration isolation device for a cab of heavy construction equipment according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a vibration isolation base of an embodiment of the vibration isolation device for the cab of heavy construction equipment according to the invention;
FIG. 4 is a schematic view of a central screw structure of an embodiment of the vibration isolation device for the cab of heavy construction equipment according to the present invention;
fig. 5 is a structural schematic view of a stopper disc of an embodiment of the vibration isolation device for a cab of heavy construction equipment according to the present invention.
Reference numerals
1. A vibration isolation base; 2. an elastic damping element; 3. a stopper disk; 4. a central screw; 5. fixing a nut; 6. a dust cover; 7. a protective cavity; 8. a lower flange; 9. an upper flange; 10. riveting; 11. a spline; 12. a keyway; 13. a snap ring; 14. a pin hole; 15. positioning pins; 16. and (5) plugging with a thread.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is a schematic sectional structure view of an embodiment of a vibration isolation device for a cab of heavy construction equipment according to the present invention, fig. 2 is a schematic front view of an embodiment of a vibration isolation device for a cab of heavy construction equipment according to the present invention, and fig. 3 is a schematic structural view of a vibration isolation base of an embodiment of a vibration isolation device for a cab of heavy construction equipment according to the present invention. As shown in the figure, the vibration isolation device for the cab of the heavy engineering equipment comprises a vibration isolation base 1, wherein an elastic damping element 2 is arranged above the vibration isolation base 1, and the elastic damping element 2 is located inside the vibration isolation base 1. The vibration isolation base 1 is of a barrel-shaped structure. A protective cavity 7 is arranged between the vibration isolation base 1 and the elastic damping element 2. The wall of a protection cavity 7 of the vibration isolation base 1 is covered with a protection coating, and inert protective gas is filled in the protection cavity 7. Inert gas filled in the protection cavity 7 has a protection effect on the elastic damping element 2, can effectively reduce the influence of temperature on the elastic damping element 2, has the effects of corrosion prevention, rust prevention, radiation prevention, aging prevention, ultraviolet prevention and collision prevention, can effectively improve the using effect of the vibration isolation device in an extreme environment, and effectively prolongs the service life of the elastic damping element 2.
The elastic damping element 2 can select a suitable existing vibration isolation element according to the use condition, such as a composite rubber vibration isolation element used under high-frequency vibration; using a liquid filled vibration isolation element or a metal rubber vibration isolation element under low frequency vibration; active vibration isolation elements such as magnetorheological, magnetic rubber and the like are used under the condition of high-precision micro vibration.
The vibration isolation base 1 is provided with an upper flange 9 and a lower flange 8 which are staggered, the lower flange 8 is fixedly connected with the frame through bolts, and the upper flange 9 is fixedly connected with the elastic damping element 2 through rivets 10 in a riveting process. The vibration isolation mount 1, the lower flange 8 and the upper flange 9 are arranged coaxially, the upper flange 9 being rotated 10-15 °, preferably 13 °, around the central axis relative to the lower flange 8. Through road surface load spectrum optimal design calculation, realize load decomposition through the automobile body gesture, and then can effectual vibration isolator load that excessively fatigues. And the upper flange 9 and the lower flange 8 are arranged in a staggered manner, so that the upper flange 9 and the elastic damping element 2 can be fixedly connected through a riveting process, and the lower flange 8 is fixed with the frame, so that the upper flange 9 and the lower flange 8 are not interfered in the connection process, and the vibration isolation device is convenient to mount.
The upper flange 9 and the lower flange 8 of the vibration isolation base 1 are structured to effectively avoid the elastic damping element 2 from being directly excited by the ground to the cab, and a bipolar load transition mode is adopted. The lower flange 8 of the vibration isolation base 1 is used as a road surface excitation level 1 and is fixed with a vehicle body through bolts, the upper flange 9 is used as an excitation level 2 and is fixed with the vibration isolation element through a riveting and punching process, so that excitation is dispersed, the elastic damping element 2 is prevented from being in direct contact with an excitation end by excitation, the discomfort brought to a driver in a cab is effectively reduced, the damping effect is improved, and the service life of the elastic damping element 2 can be effectively prolonged.
Fig. 4 is a schematic structural view of a central screw of an embodiment of the vibration isolation device for the cab of heavy construction equipment according to the invention. As shown in the figure, a stopping disk 3 having a protection effect on the elastic damping element 2 is arranged above the elastic damping element 2, and the elastic damping element 2 is connected with the stopping disk 3 through a central screw rod 4. The stopper disk 3 is arranged to protect the elastic damping element 2 and to support the upper mounting member; on the other hand, the distance of the stop disc 3 on the central screw rod 4 can be adjusted according to requirements, and the installation of the vibration isolation device is convenient. The middle part of the central screw rod 4 is provided with a spline 11, the center of the stopping disc 3 is provided with a key groove 12 matched with the spline 11, and the stopping disc 3 is connected with the central screw rod 4 through the spline 11 and the key groove 12. A C-shaped snap ring 13 having a limiting effect on the central screw 4 is arranged in the key groove 12, so that the central screw 4 is fixedly connected with the stop disc 3. The center of the elastic damping element 2 is provided with a threaded hole, and the end of the central screw rod 4 is inserted into the threaded hole, so that the threaded connection between the central screw rod 4 and the elastic damping element 2 is realized.
Fig. 5 is a structural schematic view of a stopper disc of an embodiment of the vibration isolation device for a cab of heavy construction equipment according to the present invention. As shown, a positioning structure is provided between the stopping disk 3 and the elastic damping element 2. The positioning structure comprises a pin hole 14 arranged on the stopping disc 3, a connecting hole corresponding to the pin hole 14 is arranged on the elastic damping element 2, and a positioning pin 15 penetrates through the pin hole 14 and is inserted into the connecting hole to position and connect the stopping disc 3 and the elastic damping element 2 to prevent the stopping disc 3 from rotating. The pin hole 14 is internally provided with a plug 16 for positioning and locking the positioning pin 15, so that the connection stability of the stopping disc 3 and the elastic damping element 2 is improved.
The upper portion of central screw 4 is provided with fixation nut 5, and fixation nut 5 cover is established on central screw 4, fixes a position and spacing to locking disc 3, prevents that locking disc 3 from taking place axial removal, improves the stability that locking disc 3 and elastic damping element 2 are connected. The elastic damping element 2 and the stop disc 3 are fixedly installed through the central screw rod 4, parts are installed into a whole, and the connecting structure is simple and easy to operate.
The edge of the stopping disk 3 is provided with a groove for fixing the dust cover 6, and the dust cover 6 for protecting the elastic damping element 2 is arranged between the stopping disk 3 and the elastic damping element 2. The dust cover 6 is made of an elastic material or adopts a wave-shaped structure, so that the dust cover 6 can adapt to the vibration requirement of the elastic damping element 2.
The vibration isolation device for the cab of the heavy engineering equipment is applied to the cab of a crawler dozer, a crawler excavator and the like of large-scale mine earthwork machinery, and can be installed according to the requirement of the installation part of the cab; the vibration isolation effect can be effectively improved, the impact caused by the road surface is greatly reduced, the elastic damping vibration isolation element can be effectively protected, the service life of the elastic damping vibration isolation element is prolonged, the convenience of maintainers in the installation process is improved, the working strength of the maintainers with the vibration isolator is reduced, the production efficiency is improved, and the production cost is saved.
Therefore, the heavy engineering equipment cab vibration isolation device adopting the structure can solve the problems that the existing vibration isolator is not ideal in damping effect and is easy to damage parts.
Finally, it should be noted that: the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a heavy engineering equipment driver's cabin vibration isolation mounting which characterized in that: the vibration isolation base is connected with the frame through the lower flange and is connected with the elastic damping element through the upper flange; a stopping disc for protecting the elastic damping element is arranged above the elastic damping element, the elastic damping element is connected with the stopping disc through a central screw rod, and a positioning structure is arranged between the stopping disc and the elastic damping element.
2. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: the vibration isolation base is of a barrel-shaped structure, the lower flange is fixedly connected with the frame through bolts, and the upper flange is fixedly connected with the elastic damping element through rivets.
3. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: the vibration isolation base, the lower flange and the upper flange are coaxially arranged, and the upper flange rotates 10-15 degrees around the central shaft relative to the lower flange.
4. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: the protective cavity wall of the vibration isolation base is covered with a protective coating, and inert protective gas is filled in the protective cavity.
5. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: the middle part of the central screw is provided with a spline, the center of the stop disc is provided with a key groove matched with the spline, the stop disc is connected with the central screw through the spline and the key groove, and a snap ring having a limiting effect on the central screw is arranged in the key groove; the central screw rod is in threaded connection with the elastic damping element.
6. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: and a fixing nut is arranged at the upper part of the central screw rod.
7. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: the positioning structure comprises a pin hole arranged on the stopping disc, a connecting hole corresponding to the pin hole is formed in the elastic damping element, the positioning pin penetrates through the pin hole and is inserted into the connecting hole, a plug used for positioning and locking the positioning pin is arranged in the pin hole, and the elastic damping element is connected with the stopping disc in a positioning mode through the positioning pin.
8. The heavy construction equipment cab vibration isolation device according to claim 1, wherein: the edge of the stopping disc is provided with a groove for fixing the dust cover, and the dust cover for protecting the elastic damping element is arranged between the stopping disc and the elastic damping element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546918.0A CN114810917B (en) | 2022-05-18 | 2022-05-18 | Cab vibration isolation device for heavy engineering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546918.0A CN114810917B (en) | 2022-05-18 | 2022-05-18 | Cab vibration isolation device for heavy engineering equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114810917A true CN114810917A (en) | 2022-07-29 |
| CN114810917B CN114810917B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210546918.0A Active CN114810917B (en) | 2022-05-18 | 2022-05-18 | Cab vibration isolation device for heavy engineering equipment |
Country Status (1)
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| CN (1) | CN114810917B (en) |
Citations (13)
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|---|---|---|---|---|
| JPH0972373A (en) * | 1995-09-01 | 1997-03-18 | Toyo Tire & Rubber Co Ltd | Vibration insulation device for automobile |
| JPH1182611A (en) * | 1997-09-08 | 1999-03-26 | Tokai Rubber Ind Ltd | Pneumatic excitation type active vibration isolation device |
| JP2007177560A (en) * | 2005-12-28 | 2007-07-12 | Shin Caterpillar Mitsubishi Ltd | Fixing implement for vibration proofing mount |
| US20080296816A1 (en) * | 2004-10-29 | 2008-12-04 | Fukoku Co., Ltd | Vibration-Isolating Support Device |
| CN101825152A (en) * | 2009-03-05 | 2010-09-08 | 尹学军 | Spring damping vibration isolator |
| CN102069848A (en) * | 2009-11-19 | 2011-05-25 | 本田技研工业株式会社 | Mounting of subframe |
| CN203202110U (en) * | 2013-02-21 | 2013-09-18 | 济南吉利汽车有限公司 | Vibration isolating device of engine |
| DE102014018768A1 (en) * | 2014-04-18 | 2015-10-22 | Sumitomo Riko Company Limited | Vibration Damping Device |
| CN206049825U (en) * | 2016-09-14 | 2017-03-29 | 西安汽车科技职业学院 | A kind of quarry tipper upset cabin front suspension puts damping by friction device |
| CN106704470A (en) * | 2017-01-09 | 2017-05-24 | 重庆市锋盈汽车配件有限公司 | Self-adjusting automobile hydraulic mount |
| CN110657191A (en) * | 2019-08-30 | 2020-01-07 | 东华大学 | Damping-adjustable vibration isolator for high-speed punch press |
| CN113007265A (en) * | 2021-03-19 | 2021-06-22 | 中国人民解放军92578部队 | Membrane type molecular spring vibration isolation buffer |
| CN216200099U (en) * | 2021-11-17 | 2022-04-05 | 西安航弓机电科技有限公司 | Fluid type self-adaptive damping vibration isolator |
-
2022
- 2022-05-18 CN CN202210546918.0A patent/CN114810917B/en active Active
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| US20080296816A1 (en) * | 2004-10-29 | 2008-12-04 | Fukoku Co., Ltd | Vibration-Isolating Support Device |
| JP2007177560A (en) * | 2005-12-28 | 2007-07-12 | Shin Caterpillar Mitsubishi Ltd | Fixing implement for vibration proofing mount |
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| CN203202110U (en) * | 2013-02-21 | 2013-09-18 | 济南吉利汽车有限公司 | Vibration isolating device of engine |
| DE102014018768A1 (en) * | 2014-04-18 | 2015-10-22 | Sumitomo Riko Company Limited | Vibration Damping Device |
| CN206049825U (en) * | 2016-09-14 | 2017-03-29 | 西安汽车科技职业学院 | A kind of quarry tipper upset cabin front suspension puts damping by friction device |
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| CN110657191A (en) * | 2019-08-30 | 2020-01-07 | 东华大学 | Damping-adjustable vibration isolator for high-speed punch press |
| CN113007265A (en) * | 2021-03-19 | 2021-06-22 | 中国人民解放军92578部队 | Membrane type molecular spring vibration isolation buffer |
| CN216200099U (en) * | 2021-11-17 | 2022-04-05 | 西安航弓机电科技有限公司 | Fluid type self-adaptive damping vibration isolator |
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|---|---|
| CN114810917B (en) | 2023-10-03 |
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