CN114810917B - Cab vibration isolation device for heavy engineering equipment - Google Patents
Cab vibration isolation device for heavy engineering equipment Download PDFInfo
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- CN114810917B CN114810917B CN202210546918.0A CN202210546918A CN114810917B CN 114810917 B CN114810917 B CN 114810917B CN 202210546918 A CN202210546918 A CN 202210546918A CN 114810917 B CN114810917 B CN 114810917B
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- vibration isolation
- elastic damping
- damping element
- stop plate
- isolation base
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- 238000002955 isolation Methods 0.000 title claims abstract description 92
- 238000013016 damping Methods 0.000 claims abstract description 78
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 3
- 239000011253 protective coating Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000003471 anti-radiation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010022998 Irritability Diseases 0.000 description 1
- 229920001967 Metal rubber Polymers 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明公开了一种重型工程装备驾驶室隔振装置，包括隔振底座，隔振底座的上方设置有弹性阻尼元件，弹性阻尼元件位于隔振底座的内部，隔振底座与弹性阻尼元件之间设置有防护腔，隔振底座上设置有错位的上凸缘和下凸缘，隔振底座通过下凸缘与车架连接，隔振底座通过上凸缘与弹性阻尼元件连接；弹性阻尼元件的上方设置有对弹性阻尼元件进行防护的止动盘，弹性阻尼元件与止动盘之间通过中心螺杆连接，止动盘与弹性阻尼元件之间设置有定位结构。本发明采用上述结构的重型工程装备驾驶室隔振装置，能够解决现有的隔振器减震效果不理想，容易对零件造成损坏的问题。
The invention discloses a vibration isolation device for a cab of heavy engineering equipment, which includes a vibration isolation base. An elastic damping element is arranged above the vibration isolation base. The elastic damping element is located inside the vibration isolation base, between the vibration isolation base and the elastic damping element. A protective cavity is provided, and the vibration isolation base is provided with misaligned upper flanges and lower flanges. The vibration isolation base is connected to the frame through the lower flange, and the vibration isolation base is connected to the elastic damping element through the upper flange; the elastic damping element A stop plate is provided above to protect the elastic damping element. The elastic damping element and the stop plate are connected through a central screw, and a positioning structure is provided between the stop plate and the elastic damping element. The invention adopts the vibration isolation device of the heavy engineering equipment cab with the above structure, which can solve the problem that the existing vibration isolator has unsatisfactory shock absorption effect and is easy to cause damage to parts.
Description
技术领域Technical field
本发明涉及隔振装置技术领域，尤其是涉及一种重型工程装备驾驶室隔振装置。The present invention relates to the technical field of vibration isolation devices, and in particular to a vibration isolation device for a cab of heavy engineering equipment.
背景技术Background technique
重型机械设备(>300马力)常常工作于露天矿山等施工环境比较恶劣的情况下，其路面凹凸不平、岩石居多。乘员长期受到来自地面对于驾驶室的振动冲击，对其身体健康以及工作效率影响极大，隔振器作为一种用来减小地面激励对驾驶室或底座的动力振动与冲击，其在现代大型机械设备中应用较为广泛。Heavy machinery and equipment (>300 horsepower) often work in harsh construction environments such as open-pit mines, where the roads are uneven and mostly rocky. The occupants are subject to long-term vibration and impact from the ground on the cab, which has a great impact on their health and work efficiency. Vibration isolators are used to reduce the dynamic vibration and impact of ground excitation on the cab or base. They are widely used in modern large-scale It is widely used in mechanical equipment.
一般的隔振器虽然可以有效地减弱驾驶室垂直方向上的振动，但其减振效果无法不理想。在长时间振动情况下，不仅会对零件造成一定的损坏，还会使得机械设备处于长期负载的状况；引发驾驶员振噪烦躁，降低操作效率和体验，并引发职业病。Although general vibration isolators can effectively reduce the vibration in the vertical direction of the cab, their vibration reduction effect cannot be unsatisfactory. Long-term vibration will not only cause certain damage to parts, but also cause mechanical equipment to be under long-term load; cause vibration and irritability to drivers, reduce operating efficiency and experience, and cause occupational diseases.
发明内容Contents of the invention
本发明的目的是提供一种重型工程装备驾驶室隔振装置，解决现有的隔振器减震效果不理想，容易对零件造成损坏的问题。The purpose of the present invention is to provide a vibration isolation device for heavy engineering equipment cabs to solve the problem that the existing vibration isolators have unsatisfactory damping effects and are prone to damage to parts.
为实现上述目的，本发明提供了重型工程装备驾驶室隔振装置，包括隔振底座，隔振底座的上方设置有弹性阻尼元件，弹性阻尼元件位于隔振底座的内部，隔振底座与弹性阻尼元件之间设置有防护腔，隔振底座上设置有错位的上凸缘和下凸缘，隔振底座通过下凸缘与车架连接，隔振底座通过上凸缘与弹性阻尼元件连接；弹性阻尼元件的上方设置有对弹性阻尼元件进行防护的止动盘，弹性阻尼元件与止动盘之间通过中心螺杆连接，止动盘与弹性阻尼元件之间设置有定位结构。In order to achieve the above object, the present invention provides a vibration isolation device for a heavy engineering equipment cab, which includes a vibration isolation base. An elastic damping element is arranged above the vibration isolation base. The elastic damping element is located inside the vibration isolation base. The vibration isolation base and the elastic damping A protective cavity is provided between the components, and an offset upper flange and a lower flange are provided on the vibration isolation base. The vibration isolation base is connected to the frame through the lower flange, and the vibration isolation base is connected to the elastic damping element through the upper flange; elasticity A stop plate is provided above the damping element to protect the elastic damping element. The elastic damping element and the stop plate are connected through a central screw, and a positioning structure is provided between the stop plate and the elastic damping element.
优选的，所述隔振底座为桶型结构，下凸缘与车架通过螺栓固定连接，上凸缘与弹性阻尼元件之间通过铆钉固定连接。Preferably, the vibration isolation base is a barrel-shaped structure, the lower flange and the frame are fixedly connected by bolts, and the upper flange and the elastic damping element are fixedly connected by rivets.
优选的，所述隔振底座、下凸缘与上凸缘同轴设置，上凸缘相对于下凸缘围绕中心轴旋转10-15°。Preferably, the vibration isolation base, the lower flange and the upper flange are coaxially arranged, and the upper flange rotates 10-15° around the central axis relative to the lower flange.
优选的，所述隔振底座的防护腔壁上覆盖有防护涂层，防护腔内部填充有惰性保护气体。Preferably, the protective cavity wall of the vibration isolation base is covered with a protective coating, and the inside of the protective cavity is filled with inert protective gas.
优选的，所述中心螺杆的中部设置有花键，止动盘的中心设置有与花键相适配的键槽，止动盘与中心螺杆通过花键和键槽连接，键槽内设置有对中心螺杆具有限位作用的卡环；中心螺杆与弹性阻尼元件之间螺纹连接。Preferably, the center screw is provided with splines, and the center of the stop plate is provided with a keyway that matches the splines. The stop plate and the center screw are connected through splines and keyways, and a center screw is provided in the keyway. A snap ring with a limiting function; a threaded connection between the central screw and the elastic damping element.
优选的，所述中心螺杆的上部设置有固定螺母。Preferably, a fixing nut is provided on the upper part of the center screw.
优选的，所述定位结构包括设置在止动盘上的销孔，弹性阻尼元件上设置有与销孔对应的连接孔，定位销穿过销孔插入连接孔内，销孔内设置有将定位销定位锁死的丝堵，弹性阻尼元件与止动盘通过定位销定位连接。Preferably, the positioning structure includes a pin hole provided on the stop plate, the elastic damping element is provided with a connection hole corresponding to the pin hole, the positioning pin passes through the pin hole and is inserted into the connection hole, and a positioning hole is provided in the pin hole. The pin locates the locked plug, and the elastic damping element and the stop plate are positioned and connected through the positioning pin.
优选的，所述止动盘的边缘处设置有固定防尘罩的凹槽，止动盘与弹性阻尼元件之间设置有对弹性阻尼元件进行防护的防尘罩。Preferably, the edge of the stop plate is provided with a groove for fixing a dust cover, and a dust cover for protecting the elastic damping element is provided between the stop plate and the elastic damping element.
本发明所述的一种重型工程装备驾驶室隔振装置的优点和积极效果是：The advantages and positive effects of the heavy engineering equipment cab vibration isolation device described in the present invention are:
1、隔振底座的上凸缘与下凸缘错位设置，可以保证上凸缘与弹性阻尼元件通过铆冲工艺进行固定连接，并且下凸缘与车架固定，使得上凸缘和下凸缘在连接过程中不发生干涉，便于隔振装置的安装。1. The upper flange and lower flange of the vibration isolation base are dislocated to ensure that the upper flange and the elastic damping element are fixedly connected through the riveting process, and the lower flange is fixed to the frame, so that the upper flange and the lower flange are No interference occurs during the connection process, which facilitates the installation of the vibration isolation device.
2、隔振底座下凸缘作为路面激励1级通过螺栓与车身固定，上凸缘作为激励2级通过铆冲工艺与隔振元件固定，从而分散激励，激励——驾驶室——隔振底座下凸缘——隔振底座上凸缘——弹性阻尼元件，避免弹性阻尼元件与激励端直接接触，从而有效降低振动给驾驶室乘员所带来的不舒适感，提高减震效果，并且能够有效的延长弹性阻尼元件的使用寿命。2. The lower flange of the vibration isolation base serves as the first level of road excitation and is fixed to the car body through bolts. The upper flange serves as the second level of excitation and is fixed to the vibration isolation element through the riveting process to disperse the excitation. Excitation - cab - vibration isolation base The lower flange - the upper flange of the vibration isolation base - the elastic damping element avoids direct contact between the elastic damping element and the excitation end, thereby effectively reducing the discomfort caused by vibration to the cab occupants, improving the shock absorption effect, and can Effectively extend the service life of elastic damping elements.
3、隔振底座底部的防护腔内填充有惰性气体，对弹性阻尼元件具有防护的作用，可以有效的降低弹性阻尼元件受温度的影响，并且具有防腐蚀、防生锈、防辐射、防老化、防紫外线、防碰撞的作用，可以有效的提高隔振装置在极端环境下的使用效果，有效延长弹性阻尼元件的使用寿命。3. The protective cavity at the bottom of the vibration isolation base is filled with inert gas, which has a protective effect on the elastic damping elements. It can effectively reduce the influence of temperature on the elastic damping elements, and has anti-corrosion, anti-rust, anti-radiation and anti-aging properties. , anti-ultraviolet and anti-collision functions, which can effectively improve the use effect of vibration isolation devices in extreme environments and effectively extend the service life of elastic damping elements.
4、止动盘与弹性阻尼元件之间通过中心螺杆连接，中心螺杆与止动盘通过花键连接，中心螺杆与弹性阻尼元件之间通过螺纹连接，连接方便，便于安装和拆卸。4. The stop plate and the elastic damping element are connected through a central screw, the center screw and the stop plate are connected through a spline, and the center screw and the elastic damping element are connected through a thread. The connection is convenient and easy to install and disassemble.
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。The technical solution of the present invention will be further described in detail below through the accompanying drawings and examples.
附图说明Description of the drawings
图1为本发明一种重型工程装备驾驶室隔振装置实施例的截面结构示意图；Figure 1 is a schematic cross-sectional structural diagram of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention;
图2为本发明一种重型工程装备驾驶室隔振装置实施例的正视结构示意图；Figure 2 is a schematic front structural view of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention;
图3为本发明一种重型工程装备驾驶室隔振装置实施例的隔振底座结构示意图；Figure 3 is a schematic structural diagram of the vibration isolation base of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention;
图4为本发明一种重型工程装备驾驶室隔振装置实施例的中心螺杆结构示意图；Figure 4 is a schematic diagram of the center screw structure of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention;
图5为本发明一种重型工程装备驾驶室隔振装置实施例的止动盘结构示意图。Figure 5 is a schematic structural diagram of a stop plate according to an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention.
附图标记Reference signs
1、隔振底座；2、弹性阻尼元件；3、止动盘；4、中心螺杆；5、固定螺母；6、防尘罩；7、防护腔；8、下凸缘；9、上凸缘；10、铆钉；11、花键；12、键槽；13、卡环；14、销孔；15、定位销；16、丝堵。1. Vibration isolation base; 2. Elastic damping element; 3. Stop plate; 4. Center screw; 5. Fixing nut; 6. Dust cover; 7. Protection cavity; 8. Lower flange; 9. Upper flange ; 10. Rivet; 11. Spline; 12. Keyway; 13. Snap ring; 14. Pin hole; 15. Positioning pin; 16. Wire plug.
具体实施方式Detailed ways
以下通过附图和实施例对本发明的技术方案作进一步说明。The technical solution of the present invention will be further described below through the drawings and examples.
除非另外定义，本发明使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。Unless otherwise defined, technical terms or scientific terms used in the present invention shall have the usual meaning understood by a person with ordinary skill in the field to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprising" mean that the elements or things appearing before the word include the elements or things listed after the word and their equivalents, without excluding other elements or things. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to express relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
实施例Example
图1为本发明一种重型工程装备驾驶室隔振装置实施例的截面结构示意图，图2为本发明一种重型工程装备驾驶室隔振装置实施例的正视结构示意图，图3为本发明一种重型工程装备驾驶室隔振装置实施例的隔振底座结构示意图。如图所示，一种重型工程装备驾驶室隔振装置，包括隔振底座1，隔振底座1的上方设置有弹性阻尼元件2，弹性阻尼元件2位于隔振底座1的内部。隔振底座1为桶型结构。隔振底座1与弹性阻尼元件2之间设置有防护腔7。隔振底座1的防护腔7壁上覆盖有防护涂层，防护腔7内部填充有惰性保护气体。防护腔7内填充的惰性气体对弹性阻尼元件2具有防护的作用，可以有效的降低弹性阻尼元件2受温度的影响，并且具有防腐蚀、防生锈、防辐射、防老化、防紫外线、防碰撞的作用，可以有效的提高隔振装置在极端环境下的使用效果，有效延长弹性阻尼元件2的使用寿命。Figure 1 is a schematic cross-sectional structural diagram of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention. Figure 2 is a front structural schematic diagram of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention. Figure 3 is a schematic diagram of a heavy engineering equipment cab vibration isolation device according to the present invention. Schematic diagram of the vibration isolation base structure of an embodiment of a heavy engineering equipment cab vibration isolation device. As shown in the figure, a heavy engineering equipment cab vibration isolation device includes a vibration isolation base 1. An elastic damping element 2 is arranged above the vibration isolation base 1. The elastic damping element 2 is located inside the vibration isolation base 1. The vibration isolation base 1 has a barrel-shaped structure. A protective cavity 7 is provided between the vibration isolation base 1 and the elastic damping element 2 . The wall of the protection cavity 7 of the vibration isolation base 1 is covered with a protective coating, and the inside of the protection cavity 7 is filled with inert protective gas. The inert gas filled in the protective cavity 7 has a protective effect on the elastic damping element 2, can effectively reduce the influence of temperature on the elastic damping element 2, and has anti-corrosion, anti-rust, anti-radiation, anti-aging, anti-ultraviolet, anti- The effect of collision can effectively improve the use effect of the vibration isolation device in extreme environments and effectively extend the service life of the elastic damping element 2.
弹性阻尼元件2可以根据使用条件选择合适的现有的隔振元件，比如在高频振动下使用复合型橡胶隔振元件；在低频振动下使用充液隔振元件或金属橡胶隔振元件；在高精微振条件下使用主动隔振元件，如磁流变、磁橡胶等。The elastic damping element 2 can select appropriate existing vibration isolation elements according to the use conditions, such as using composite rubber vibration isolation elements under high-frequency vibration; using liquid-filled vibration isolation elements or metal-rubber vibration isolation elements under low-frequency vibration; Active vibration isolation components, such as magnetorheology, magnetic rubber, etc., are used under high-precision micro-vibration conditions.
隔振底座1上设置有错位的上凸缘9和下凸缘8，下凸缘8与车架通过螺栓固定连接，上凸缘9与弹性阻尼元件2之间通过铆冲工艺采用铆钉10固定连接。隔振底座1、下凸缘8与上凸缘9同轴设置，上凸缘9相对于下凸缘8围绕中心轴旋转10-15°，优选为旋转13°。通过路面载荷谱优化设计计算，通过车身姿态实现载荷分解，进而能够有效的隔振装置过度疲劳荷载。并且将上凸缘9与下凸缘8错位设置，可以保证上凸缘9与弹性阻尼元件2通过铆冲工艺进行固定连接，并且下凸缘8与车架固定，使得上凸缘9和下凸缘8在连接过程中不发生干涉，便于隔振装置的安装。The vibration isolation base 1 is provided with an offset upper flange 9 and a lower flange 8. The lower flange 8 is fixedly connected to the frame through bolts. The upper flange 9 and the elastic damping element 2 are fixed with rivets 10 through a riveting process. connect. The vibration isolation base 1, the lower flange 8 and the upper flange 9 are coaxially arranged. The upper flange 9 rotates 10-15° around the central axis relative to the lower flange 8, preferably 13°. Through the optimization design calculation of the road load spectrum, the load decomposition is achieved through the body posture, and the excessive fatigue load of the vibration isolation device can be effectively eliminated. Moreover, the upper flange 9 and the lower flange 8 are disposed in a staggered position to ensure that the upper flange 9 and the elastic damping element 2 are fixedly connected through the riveting process, and the lower flange 8 is fixed to the frame, so that the upper flange 9 and the lower flange 9 are fixedly connected. The flange 8 does not interfere during the connection process, which facilitates the installation of the vibration isolation device.
隔振底座1上上凸缘9和下凸缘8的结构，可有效避免弹性阻尼元件2直接受到来自地面对驾驶室的激励，而是采用双极载荷过渡的方式。隔振底座1下凸缘8作为路面激励1级通过螺栓与车身固定，上凸缘9作为激励2级通过铆冲工艺与隔振元件固定，从而分散激励，激励——驾驶室——隔振底座1下凸缘8——隔振底座1上凸缘9——弹性阻尼元件2，避免弹性阻尼元件2与激励端直接接触，从而有效降低振动给驾驶室乘员所带来的不舒适感，提高减震效果，并且能够有效的延长弹性阻尼元件2的使用寿命。The structure of the upper flange 9 and the lower flange 8 on the vibration isolation base 1 can effectively prevent the elastic damping element 2 from being directly excited from the ground facing the cab, but adopts a bipolar load transition method. The lower flange 8 of the vibration isolation base 1 is used as the first level of road excitation and is fixed to the vehicle body through bolts. The upper flange 9 is used as the second level of excitation and is fixed to the vibration isolation element through the riveting process to disperse the excitation, excitation - cab - vibration isolation. The lower flange 8 of the base 1 - the upper flange 9 of the vibration isolation base 1 - the elastic damping element 2 to avoid direct contact between the elastic damping element 2 and the excitation end, thereby effectively reducing the discomfort caused by vibration to the cab occupants. The shock absorption effect is improved, and the service life of the elastic damping element 2 can be effectively extended.
图4为本发明一种重型工程装备驾驶室隔振装置实施例的中心螺杆结构示意图。如图所示，弹性阻尼元件2的上方设置有对弹性阻尼元件2具有防护作用的止动盘3，弹性阻尼元件2与止动盘3之间通过中心螺杆4连接。止动盘3的设置一方面对弹性阻尼元件2进行防护，对上方的安装部件进行支撑；另一方面可以根据需要调整止动盘3在中心螺杆4上的距离，便于隔振装置的安装。中心螺杆4的中部设置有花键11，止动盘3的中心设置有与花键11相适配的键槽12，止动盘3与中心螺杆4通过花键11和键槽12连接。键槽12内设置有对中心螺杆4具有限位作用的C型卡环13，实现中心螺杆4与止动盘3之间的固定连接。弹性阻尼元件2的中心设置有螺纹孔，中心螺杆4的端头插入螺纹孔内，实现中心螺杆4与弹性阻尼元件2之间螺纹连接。Figure 4 is a schematic diagram of the center screw structure of an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention. As shown in the figure, a stop plate 3 that protects the elastic damping element 2 is provided above the elastic damping element 2 . The elastic damping element 2 and the stop plate 3 are connected through a central screw 4 . On the one hand, the stop plate 3 is provided to protect the elastic damping element 2 and support the upper installation components; on the other hand, the distance of the stop plate 3 on the central screw 4 can be adjusted as needed to facilitate the installation of the vibration isolation device. A spline 11 is provided in the middle of the center screw 4, and a keyway 12 matching the spline 11 is provided in the center of the stop plate 3. The stop plate 3 and the center screw 4 are connected through the spline 11 and the keyway 12. A C-shaped snap ring 13 with a limiting effect on the center screw 4 is provided in the keyway 12 to achieve a fixed connection between the center screw 4 and the stop plate 3 . A threaded hole is provided in the center of the elastic damping element 2, and the end of the central screw 4 is inserted into the threaded hole to realize a threaded connection between the central screw 4 and the elastic damping element 2.
图5为本发明一种重型工程装备驾驶室隔振装置实施例的止动盘结构示意图。如图所示，止动盘3与弹性阻尼元件2之间设置有定位结构。定位结构包括设置在止动盘3上的销孔14，弹性阻尼元件2上设置有与销孔14对应的连接孔，定位销15穿过销孔14插入连接孔内，将止动盘3与弹性阻尼元件2之间进行定位连接，防止止动盘3发生转动。销孔14内设置有将定位销15定位锁死的丝堵16，提高止动盘3与弹性阻尼元件2连接的稳定性。Figure 5 is a schematic structural diagram of a stop plate according to an embodiment of a heavy engineering equipment cab vibration isolation device according to the present invention. As shown in the figure, a positioning structure is provided between the stop plate 3 and the elastic damping element 2 . The positioning structure includes a pin hole 14 provided on the stop plate 3. The elastic damping element 2 is provided with a connection hole corresponding to the pin hole 14. The positioning pin 15 passes through the pin hole 14 and is inserted into the connection hole to connect the stop plate 3 with the pin hole 14. The elastic damping elements 2 are positioned and connected to prevent the stop plate 3 from rotating. A plug 16 is provided in the pin hole 14 to position and lock the positioning pin 15 to improve the stability of the connection between the stop plate 3 and the elastic damping element 2 .
中心螺杆4的上部设置有固定螺母5，固定螺母5套设在中心螺杆4上，对止动盘3进行定位和限位，防止止动盘3发生轴向的移动，提高止动盘3与弹性阻尼元件2连接的稳定性。通过中心螺杆4将弹性阻尼元件2和止动盘3进行固定安装，将零部件安装成为一个整体，并且连接结构简单易操作。A fixing nut 5 is provided on the upper part of the center screw 4. The fixing nut 5 is sleeved on the center screw 4 to position and limit the stop plate 3, prevent the stop plate 3 from axial movement, and improve the connection between the stop plate 3 and the stop plate 3. The stability of the elastic damping element 2 connection. The elastic damping element 2 and the stop plate 3 are fixedly installed through the central screw 4, and the components are installed as a whole, and the connection structure is simple and easy to operate.
止动盘3的边缘处设置有固定防尘罩6的凹槽，止动盘3与弹性阻尼元件2之间设置有对弹性阻尼元件2进行防护的防尘罩6。防尘罩6为采用弹性材料制成或采用波浪形结构，使得防尘罩6能够适应弹性阻尼元件2的振动需要。A groove for fixing the dust cover 6 is provided at the edge of the stop plate 3. A dust cover 6 for protecting the elastic damping element 2 is provided between the stop plate 3 and the elastic damping element 2. The dust cover 6 is made of elastic material or has a corrugated structure, so that the dust cover 6 can adapt to the vibration needs of the elastic damping element 2 .
本发明所述的重型工程装备驾驶室隔振装置，应用于大型矿山土方机械履带式推土机、履带式挖掘机等的驾驶室内，并且可根据驾驶室安装部位要求进行安装；可以有效提升隔振效果，极大减少了路面带来的冲击，可有效保护弹性阻尼隔振元件，延长了弹性阻尼隔振元件的寿命，提高了检修人员在安装过程中的便利性，降低了检修人员跟换隔振器的工作强度，提高了生产效率，节约了生产成本。The heavy engineering equipment cab vibration isolation device of the present invention is used in the cabs of large mining earthmoving machinery crawler bulldozers, crawler excavators, etc., and can be installed according to the requirements of the cab installation location; it can effectively improve the vibration isolation effect , greatly reduces the impact caused by the road surface, can effectively protect the elastic damping and vibration isolation components, extend the life of the elastic damping and vibration isolation components, improve the convenience of maintenance personnel during the installation process, and reduce the time for maintenance personnel to replace the vibration isolation The working intensity of the machine is improved, the production efficiency is improved, and the production cost is saved.
因此，本发明采用上述结构的重型工程装备驾驶室隔振装置，能够解决现有的隔振器减震效果不理想，容易对零件造成损坏的问题。Therefore, the present invention adopts the vibration isolation device of the heavy engineering equipment cab with the above structure, which can solve the problem that the existing vibration isolator has unsatisfactory damping effect and is easy to cause damage to parts.
最后应说明的是：以上实施例仅用以说明本发明的技术方案而非对其进行限制，尽管参照较佳实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对本发明的技术方案进行修改或者等同替换，而这些修改或者等同替换亦不能使修改后的技术方案脱离本发明技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: The technical solution of the present invention may be modified or equivalently substituted, but these modifications or equivalent substitutions cannot cause the modified technical solution to depart from the spirit and scope of the technical solution of the present invention.
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