WO2019062991A1 - 轴承循环换脂系统 - Google Patents

轴承循环换脂系统 Download PDF

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Publication number
WO2019062991A1
WO2019062991A1 PCT/CN2018/108844 CN2018108844W WO2019062991A1 WO 2019062991 A1 WO2019062991 A1 WO 2019062991A1 CN 2018108844 W CN2018108844 W CN 2018108844W WO 2019062991 A1 WO2019062991 A1 WO 2019062991A1
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WO
WIPO (PCT)
Prior art keywords
grease
oil
bearing
suction
discharge
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PCT/CN2018/108844
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English (en)
French (fr)
Inventor
朱向华
刘章
赵大平
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郑州奥特科技有限公司
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Publication of WO2019062991A1 publication Critical patent/WO2019062991A1/zh

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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • 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
    • F16N—LUBRICATING
    • F16N23/00—Special adaptations of check valves
    • 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
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
    • 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
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
    • 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
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems

Definitions

  • the invention relates to a bearing cycle fat exchange system capable of performing grease filtration and/or cooling, and belongs to the field of grease lubrication bearings.
  • the bearing is provided by the grease supply device.
  • the grease supply device has a lubrication pump, the lubrication pump is generally a plunger pump or a gear pump, and the lubrication pump is connected to the block distributor, and the distributor is respectively connected with each oil injection hole on each bearing.
  • the lubrication pump is generally a plunger pump or a gear pump
  • the lubrication pump is connected to the block distributor, and the distributor is respectively connected with each oil injection hole on each bearing.
  • the aged grease will be squeezed out from the oil drain hole in the bearing structure.
  • a grease collection bottle will be placed on the oil drain hole.
  • the object of the present invention is to provide a bearing cyclic grease changing system to solve at least one of the following problems: in the prior art, the running process of the bearing may cause a lot of wear particles and impurities, damage the bearing structure, and reduce the service life of the bearing structure.
  • the problem is that the temperature inside the bearing is high, and the excessive temperature will accelerate the deterioration of the grease; the state of the grease in the bearing can not be known in time, and the problem of handling in time can be provided, thereby providing favorable operation for the smooth operation of the grease-lubricated bearing system. condition.
  • the bearing cycle fat exchange system of the present invention adopts the following technical solutions:
  • a bearing cyclic grease changing system comprises a bearing structure and a suction and draining device, a lubricating space for setting grease between the outer ring and the inner ring of the bearing structure, and an oil filling hole for opening the lubricating space with the bearing structure and
  • the oil drain hole and the oil drain hole are connected to the sucking port of the suction and discharge grease device, and the grease supply device is connected to the oil hole, and the grease outlet of the suction and discharge device is connected with the oil tank of the grease supply device, and the grease outlet of the suction and discharge device is At least one of a grease filter device, a cooling device, and an oil detecting device is disposed between the oil tanks.
  • a grease filter and/or a cooling device are arranged between the grease outlet of the suction and discharge device and the fuel tank.
  • the bearing structure is provided with a breathing port.
  • An air filtering device is disposed on the breathing port.
  • the fuel tank is also provided with a two-position three-way valve in front of the fuel tank, and the third grease port of the two-position three-way valve is connected to the waste grease storage device.
  • the grease circulation drive device has an independent power system.
  • the bearing cycle grease changing system is further provided with an electronic control system, and the electronic control system can automatically control the start and stop of the grease supply device and the suction and discharge device according to the preset working interval time and the working duration.
  • the sucking and draining device comprises a liposuction device
  • the liposuction device comprises a casing, wherein a cavity of the inner cavity of the casing is sealed and slidably provided with a plunger, and the other end of the casing is provided with an oil discharge port, and the oil discharge port is The inner cavity of the casing is connected, the oil discharge port is a grease outlet, and a check valve is arranged between the oil discharge port and the oil tank to the oil tank, and an oil suction port is opened on the side wall of the casing.
  • the oil suction port is in communication with the oil drain hole, and the plunger is driven to reciprocate by a power unit.
  • the power device includes a hydraulic cylinder connected to the power pump through a two-position four-way electromagnetic reversing valve.
  • the power device is a hydraulic oil cylinder, and the hydraulic oil cylinder is integrally provided with the grease suction device.
  • the housing of the hydraulic oil cylinder is integrally provided with the housing of the grease suction device, and the piston of the hydraulic oil cylinder is connected with the plunger of the grease suction device.
  • the power device is an electric push rod, and the electric push rod is integrally provided with the liposuction device.
  • the housing of the electric push rod is integrally provided with the housing of the liposuction device, and the push rod of the electric push rod and the column of the liposuction device The plug is connected.
  • the grease filtering device, the cooling device, and the grease filtering device and the oil detecting device in the oil detecting device are only serially arranged between the grease outlet of the suction and discharge device and the oil tank, and the oil detecting device is located Downstream of the grease filter for detecting the effect of the grease filter.
  • the grease filtering device, the cooling device, and the cooling device and the oil detecting device in the oil detecting device are arranged in series between the grease outlet of the suction and discharge device and the oil tank, and the oil detecting device is located in the cooling device Downstream for detecting the effect of the cooling device.
  • the oil detecting device is arranged in series between the grease outlet of the suction and discharge device and the oil tank, and at least one of the grease filtering device and the cooling device is further arranged between the grease outlet of the suction and discharge device and the oil tank.
  • the oil detecting device is located at the most upstream and is used for detecting the oil of the grease discharged from the sucking and discharging device.
  • the cooling device has a cooling function, which can serve as a cooling function, and solves the technical problem of grease lubrication without cooling function.
  • the grease circulation device can clean harmful substances (impurities, wear particles, etc.), maintain optimal lubrication state, prolong the time of optimal lubrication, and obtain good lubrication. To extend the service life of the bearing. After the cooling device lowers the grease temperature and improves the fluidity of the grease, it restores the grease characteristics.
  • Grease impurities and wear particles treated by the grease circulation device are reduced, lubricating performance is improved, the service life of the grease can be prolonged, and the lubrication cost can be reduced; in the case where the oil detecting device is provided, when the oil detecting device is located
  • the most upstream that is, the oil drain hole closest to the suction and discharge device, can be used to know the quality of the grease in the bearing structure in time, so as to more accurately grasp the timing of oil change; when located in the grease filter or cooling When the device is downstream, it can be used to detect the effect of the grease filter or cooling device.
  • the fuel tank of the present invention is also provided with a two-position three-way valve in front of the fuel tank, and the third oil port of the two-position three-way valve is connected with the waste grease storage device.
  • the grease can be replaced by a two-position three-way reversing valve to discharge the grease into the waste grease storage device.
  • the driving device of the liposuction device of the suction device of the invention is an electric push rod.
  • the structure of the electric push rod is simple, and the power source is electric power, which is a clean energy source and can meet environmental requirements.
  • the air filter device is arranged on the breathing port of the bearing structure of the invention, which can ensure that the air entering the inside of the bearing structure is clean air, and the pollutants enter the bearing structure to contaminate the grease.
  • FIG. 1 is a schematic view showing the overall structure of an embodiment of a bearing cycle fat exchange system of the present invention
  • Figure 2 is a schematic structural view of the bearing structure of Figure 1;
  • FIG. 3 is a schematic structural view of Embodiment 1 of the liposuction device of Figure 1;
  • FIG. 4 is a schematic structural view of Embodiment 2 of the liposuction device of Figure 1;
  • Figure 5 is a schematic view showing the overall structure of a third embodiment of the bearing cycle fat exchange system of the present invention.
  • Figure 6 is a schematic view showing the overall structure of a fourth embodiment of the bearing cycle fat exchange system of the present invention.
  • Figure 7 is a schematic view showing the overall structure of a fifth embodiment of the bearing cycle fat exchange system of the present invention.
  • Fig. 8 is a view showing the overall configuration of a sixth embodiment of the bearing cycle fat exchange system of the present invention.
  • Embodiment 1 of a bearing cycle fat exchange system in FIG. 1, FIG. 2 and FIG. 3, the outer ring 1 and the inner ring 2 of the bearing structure in the embodiment and the oil seals provided at both ends form a lubrication space for lubrication Space is used to set the grease.
  • An oil hole 4, an oil drain hole 5 and a breathing port 3 are opened on the outer ring 1 of the bearing structure, and the oil hole 4, the oil drain hole 5 and the breathing port 3 are all electrically connected to the lubrication space.
  • An air filtering device is provided on the breathing port 3.
  • a suction and discharge device is arranged in the oil drain hole 5, wherein the suction and discharge device is a liposuction device 7.
  • the grease absorber 7 has a housing 8 which is sealed and slideed at one end of the inner cavity of the housing 8.
  • the plunger 9 is provided with a grease outlet 10 at the other end of the casing 8.
  • the grease outlet 10 communicates with the inner cavity of the casing 8, and the grease outlet 10 communicates with the oil tank, and the casing 8 is close to the grease outlet.
  • the one end of the 10 is integrally provided with a one-way valve structure, the one-way valve structure and the grease absorber 7 share a housing, and the valve body 11 of the one-way valve structure is slidably assembled on the housing 8, and the valve core 11 is fixed to the housing
  • a return spring 13 is disposed between the valve seats 12 of the body 8.
  • the valve core 11 seals the grease port 10 under the action of the return spring 13, and has a switching port on the casing 8, and the switching port is in the valve core 11.
  • the other side of the grease outlet 10 communicates with the inner cavity of the housing 8, that is, the transition port communicates with the grease outlet 10 through a one-way valve structure, and the oil tank 6 is directly connected to the transition port, That is, the one-way valve is provided between the grease port 10 and the oil tank 6, and the one-way valve allows the oil to flow from the grease outlet 10 to the oil tank 6, and the suction port 1 is opened on the side wall of the casing 8. 5.
  • the liposuction port 15 is in communication with the oil drain hole 5 of the bearing structure, and the plunger 9 is driven to reciprocate by the power unit.
  • the power device in this embodiment is a hydraulic oil cylinder, and the hydraulic oil cylinder is also integrated on the grease suction device 7, that is, the same housing is shared with the grease suction device 7, and the piston 22 of the hydraulic oil cylinder is connected with the plunger 9, the piston
  • the diameter of the plunger 9 is larger than the diameter of the plunger 9, and the housing 8 has an oil inlet and outlet hole 21 that cooperates with the piston.
  • the power pump 17 of the hydraulic cylinder is independent and is not shared with any equipment structure, that is, the suction and discharge device has an independent power system, and the power pump is driven by the motor.
  • a two-position four-way reversing valve 19 is disposed between the hydraulic cylinder and the power pump.
  • a grease filter device 20 and a cooling device 23 are arranged in series between the lipoiser 7 and the oil tank 6, and the cooling device 23 is adjacent to the liposuction device, and the grease filter device 20 is close to the oil tank 6.
  • a three-position three-way valve 24 is also arranged in front of the oil filling hole 4, and the two-position three-way valve 24 has three oil ports, two of which are used in the oil circuit which is arranged in series, and the third oil port is connected to the waste oil.
  • Storage device 25 is also arranged in front of the oil filling hole 4, and the two-position three-way valve 24 has three oil ports, two of which are used in the oil circuit which is arranged in series, and the third oil port is connected to the waste oil.
  • a grease supply device is connected to the oil injection hole 4, and the oil supply device has a distributor 16 connected to the oil discharge port of the oil supply pump 26.
  • the respective outlets of the distributor 16 are respectively connected to the oil injection hole 4 to fill the bearing structure.
  • the bearing cycle grease changing system is also provided with an electric control system, and the electronic control system can automatically control the start and stop of the grease supply device and the suction and discharge device according to the preset working interval time and the working duration.
  • This control can be realized by inputting this time into the electronic control system after calculating the working interval time and the working duration according to the actual situation, and no skilled labor is required for those skilled in the art.
  • Embodiment 2 of a bearing cyclic grease changing system the difference between this embodiment and the bearing cycle fat changing system embodiment 1 is that the lipoperiser plunger of the embodiment is driven by an electric push rod.
  • the electric push rod is driven by the motor 18.
  • the motor 18 is a linear motor, and the structure of the liposuction is the same as that of the liposuction device of the first embodiment.
  • the grease filtering device and the cooling device are provided. In other embodiments, the grease filtering device or the cooling device may be separately provided.
  • the liposuction device of the bearing cycle fat exchange system in the above embodiment can also be driven by a pneumatic cylinder, and the pneumatic cylinder and the hydraulic cylinder are equivalent technical features.
  • the cooling device 23 in the above embodiment is adjacent to the liposuction, and the grease filtering device 20 is adjacent to the fuel tank 6. In other embodiments, the position of the cooling device and the grease filtering device may be interchanged.
  • the motor for driving the electric push rod is a linear motor, and in other embodiments, it may be a normal motor, and the rotary motion is converted into a linear motion by a screw drive.
  • Embodiment 3 of a bearing cycle fat exchange system in FIG. 5, the difference between this embodiment and the bearing cycle fat exchange system embodiment 1 is that: in this embodiment, between the grease outlet of the suction and discharge grease device and the fuel tank In addition to the grease filter device 20 and the cooling device 23, an oil detecting device 27 is also arranged, and the oil detecting device can detect the following parameters: moisture content, turbidity, heat and mechanical wear, temperature, and aging degree. It is constituted by the prior art, and the description of the Chinese invention patent application "CN105612413A" may be specifically mentioned, or other commercially available products may be used, and details are not described herein.
  • the oil detecting device 27 is disposed before (upstream) the grease filtering device 20 and the cooling device 23, and functions to detect the quality of the grease discharged from the oil discharge port by the suction and discharge device to determine whether or not to The two-way three-way valve 24 is discharged to the waste grease storage device 25.
  • a fourth embodiment of a bearing cycle fat exchange system in Fig. 6, the difference between the embodiment and the embodiment of the bearing cycle grease changing system is that in the embodiment, the oil detecting device 27 is disposed in the grease filtering. After the device 20 and the cooling device 23 (downstream), the function is to detect the quality of the grease processed by the grease filtering device 20 and the cooling device 23 to determine whether it is discharged to the waste grease storage device through the two-position three-way valve 24. At the same time, it is also possible to judge the filtering effect of the grease filtering device 20 which is adjacent thereto to provide a basis for the replacement of the grease filtering device 20.
  • Embodiment 5 of a bearing cyclic fat changing system in FIG. 7, the difference between the embodiment and the bearing cycle fat changing system embodiment 4 is that: in the embodiment, the grease filtering device and the oil detecting device are removed. 27 can be used to determine the cooling effect of the cooling device 23 adjacent thereto to provide a basis for replacement or adjustment of the cooling device 23.
  • Embodiment 6 of a bearing cycle fat exchange system in FIG. 8, the difference between this embodiment and the embodiment of the bearing cycle fat exchange system is that: in this embodiment, the cooling device is removed, of course, in other embodiments In the middle, the grease filter device 20 can also be removed as needed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

一种轴承循环换脂系统，包括轴承结构和吸排脂装置，轴承结构的外圈（1）和内圈（2）之间具有用于设置润滑脂的润滑空间，轴承结构上开设有与润滑空间导通的注油孔（4）及排油孔（5），排油孔（5）与吸排脂装置的吸脂口（15）相连，注油孔（4）上连通设置有油脂供给装置，吸排脂装置的出脂口（10）与油脂供给装置的油箱（6）连通，吸排脂装置的出脂口（10）与油箱（6）之间串设有润滑脂过滤装置（20）和/或冷却装置（23）。该轴承循环换脂系统设置有润滑脂过滤装置（20）和/或冷却装置（23），润滑脂过滤装置（20）可以清理有害物质，维持最优的润滑状态，延长最优润滑状态的时间，获得良好润滑，延长轴承使用寿命。经冷却装置（23）降低润滑脂温度，改善润滑脂流动性后，重新加注到轴承里，达到恢复润滑脂特性的作用。

Description

轴承循环换脂系统 技术领域
本发明涉及一种能进行润滑脂过滤和/或冷却的轴承循环换脂系统，属于脂润滑轴承领域。
背景技术
轴承的润滑主要有两种方式，一种液态油润滑，这类轴承必须是设置在箱体内的，箱体内盛放有油液，这类润滑的效果好，清洁度高，但是并不适用于所有轴承，因为有些轴承无法设置在壳体内部，应用于风力发电设备、建筑机械等中的轴承就属于这类轴承，这类轴承需要采用润滑脂进行润滑，润滑脂的粘稠度较大，不易流出，在轴承内、外圈之间的润滑空间是完全封闭时不易大量流出。随着时间的流逝，润滑脂会老化，变硬，流动性变差，不能满足润滑需要，这时就需要改善润滑空间内润滑脂的流动性，现有技术中会通过供脂装置对轴承提供润滑脂，供脂装置具有润滑泵，润滑泵一般为柱塞泵或者齿轮泵，润滑泵连接块式分配器，分配器分别与各个轴承上的各个注油孔连通。随着新鲜润滑脂的注入，老化后的旧润滑脂会从轴承结构上开设的排油孔被挤出，为了防止出来的旧润滑脂污染环境，会在排油孔上设置润滑脂收集瓶，首先，定时排空这些有时很难接近的瓶子是很麻烦的。此外存在这样的危险，即如果瓶子没有及时排空，润滑脂便不受控制地从轴承布置结构中流出。另外，由于旧油脂的粘稠度大、硬度高，需要很大的力量才能将其挤出来，就造成了在很多时候，挤出旧油脂的压力高于轴承油封的耐压力，造成油脂由油封结构处流出的问题，流出来的甚至是粘稠度小的新润滑脂，造成润滑脂收集瓶中没有收集到润滑脂，润滑脂都由轴承结构中流出来了，污染环境不说，还会造成轴承润滑不良，同时，润滑脂浪费严重，增加润滑成本。为了解决这一问题，现有技术中通过润滑脂吸排脂装置来抽吸轴承内部的旧油脂。润滑脂吸排脂装置会将流动性差的润滑脂抽出来，一般来说抽吸出来的润滑脂都会被直接丢掉，为了实现最大利用价值，抽吸不会特别及时，一般要等到润滑脂老化变质以后才会被抽吸出来，但是，在轴承的运行过程中，会出现很多磨损颗粒与杂质，这将损坏轴承结构，降低轴承结构的使用寿命，另外，在轴承运行过程中会产生热量，尤其是在轴承使用在某些高温环境中时，轴承内部的温度会更高，过高的温度会加速润滑脂变质。
发明内容
本发明的目的是提供一种轴承循环换脂系统，以至少解决下列问题之一：现有技术中 轴承的运行过程，会出现很多磨损颗粒与杂质，损坏轴承结构，降低轴承结构的使用寿命的问题；轴承内部的温度较高，过高的温度会加速润滑脂变质的问题；不能及时获知轴承中润滑脂的状态，以及时的进行处理的问题，从而为脂润滑轴承系统的平稳运行提供有利条件。
为了实现以上目的，本发明的轴承循环换脂系统采用如下技术方案：
一种轴承循环换脂系统，包括轴承结构和吸排脂装置，轴承结构的外圈和内圈之间具有用于设置润滑脂的润滑空间、轴承结构上开设有与润滑空间导通的注油孔及排油孔，排油孔与吸排脂装置的吸脂口相连，注油孔上连通设置有油脂供给装置，吸排脂装置的出脂口与油脂供给装置的油箱连通，吸排脂装置的出脂口与油箱之间至少串设有润滑脂过滤装置、冷却装置和油品检测装置之一。
吸排脂装置的出脂口与油箱之间串设有润滑脂过滤装置和/或冷却装置。
所述的轴承结构上开设有呼吸口。
所述的呼吸口上设置有空气过滤装置。
所述的油箱前还串设有两位三通阀，两位三通阀的第三个油口上连接废油脂储存装置。
所述的油脂循环驱动装置具有独立的动力系统。
所述的轴承循环换脂系统还设置有电控系统，电控系统能依据预先设定的工作间隔时间以及工作持续时间自动控制油脂供给装置及吸排脂装置启动与停止。
所述的吸排脂装置包括吸脂器，所述吸脂器包括壳体，壳体的内腔一端密封滑动设置有柱塞，壳体另一端端部开设有排油口，该排油口与壳体的内腔连通，所述排油口为出脂口，排油口与油箱之间设置有由排油口流向油箱的单向阀，所述壳体的侧壁上开设有吸油口，吸油口与所述的排油孔连通，所述柱塞由动力装置驱动往复运动。
所述的动力装置包括液压油缸，液压油缸通过两位四通电磁换向阀连接有动力泵。
所述的动力装置为液压油缸，液压油缸与所述吸脂器一体设置，液压油缸的壳体与吸脂器的壳体一体设置，液压油缸的活塞与吸脂器的柱塞相连。
所述的动力装置为电动推杆，电动推杆与所述吸脂器一体设置，电动推杆的壳体与吸脂器的壳体一体设置，电动推杆的推杆与吸脂器的柱塞相连。
所述吸排脂装置的出脂口与油箱之间仅串设有所述润滑脂过滤装置、冷却装置和油品检测装置中的润滑脂过滤装置和油品检测装置，所述油品检测装置位于润滑脂过滤装置下游，以用于检测润滑脂过滤装置的效果。
所述吸排脂装置的出脂口与油箱之间仅串设有所述润滑脂过滤装置、冷却装置和油品检测装置中的冷却装置和油品检测装置，所述油品检测装置位于冷却装置下游，以用于检测冷却装置的效果。
所述吸排脂装置的出脂口与油箱之间串设有所述油品检测装置，吸排脂装置的出脂口与油箱之间还至少串设有所述润滑脂过滤装置和冷却装置之一，其中油品检测装置位于最上游，用于检测吸排脂装置排出的润滑脂的油品。
在本发明的轴承循环换脂系统中，冷却装置具有冷却功能，可起到冷却作用，很好的解决了润滑脂润滑无冷却功能的技术难题。另外，润滑脂经设备运行后，处于最优的润滑状态，润滑脂循环装置可以清理有害物质(杂质、磨损颗粒等)，维持最优的润滑状态，延长最优润滑状态的时间，获得良好润滑，延长轴承使用寿命。经冷却装置降低润滑脂温度，改善润滑脂流动性后，达到恢复润滑脂特性的作用。经润滑脂循环装置处理过的润滑脂杂质和磨损颗粒减少，润滑性能提升，可延长润滑脂的使用寿命，降低润滑成本；在设置所述油品检测装置的情况下，当油品检测装置位于最上游，即最靠近吸排脂装置的排油孔时，则其可用于及时的获知轴承结构中润滑脂的品质，从而更加精准地把握换油的时机；当位于所述润滑脂过滤装置或冷却装置下游时，则可用于检测润滑脂过滤装置或冷却装置的效果。
本发明的油箱前还串设有两位三通阀，两位三通阀的第三个油口上连接废油脂储存装置。当润滑脂无法使用需要更换时，可以通过两位三通换向阀将润滑脂排入废油脂储存装置中，实现油脂的更换。
本发明的抽吸装置的吸脂器的驱动装置为电动推杆，电动推杆的结构简单，动力源为电力，为一种洁净能源，可以满足环境要求。
本发明的轴承结构的呼吸口上设置有空气过滤装置，可以保证进入轴承结构内部的空气都是洁净空气防止，污染物进入轴承结构内污染润滑脂。
附图说明
图1是本发明的轴承循环换脂系统的实施例的整体结构示意图；
图2是图1中的轴承结构的结构示意图；
图3是图1中吸脂器的实施例1的结构示意图；
图4是图1中吸脂器的实施例2的结构示意图；
图5是本发明的轴承循环换脂系统的实施例3的整体结构示意图；
图6是本发明的轴承循环换脂系统的实施例4的整体结构示意图；
图7是本发明的轴承循环换脂系统的实施例5的整体结构示意图；
图8是本发明的轴承循环换脂系统的实施例6的整体结构示意图。
图中：1、外圈，2、内圈，3、呼吸口，4、注油孔，5、排油孔，6、油箱，7、吸脂器，8、壳体，9、柱塞，10、出脂口，11、阀芯，12、阀座，13、复位簧，15、吸脂口，16、分配器，17、动力泵，18、电机，19、二位四通换向阀，20、润滑脂过滤装置，21、进排油孔，22、活塞，23、冷却装置，24、两位三通阀，25、废油脂储存装置，26、供油泵，27、油品检测装置。
具体实施方式
一种轴承循环换脂系统的实施例1，在图1、图2和图3中，本实施例中的轴承结构的外圈1和内圈2以及两端设置的油封形成一个润滑空间，润滑空间用于设置润滑脂。在轴承结构的外圈1上开设有注油孔4、排油孔5以及呼吸口3，注油孔4、排油孔5以及呼吸口3均与润滑空间导通。在呼吸口3上设置有空气过滤装置。
在排油孔5上连通设置有吸排脂装置，这里的吸排脂装置为吸脂器7，如图3所示，吸脂器7具有壳体8，壳体8的内腔一端密封滑动设置有柱塞9，在壳体8的另一端端部开设有出脂口10，该出脂口10与壳体8的内腔连通，出脂口10与油箱连通，在壳体8靠近出脂口10的那个端头上一体设置有单向阀结构，单向阀结构与吸脂器7共用壳体，单向阀结构的阀芯11滑动装配在壳体8上，阀芯11与固定在壳体8的阀座12之间设置有复位簧13，阀芯11在复位簧13的作用下会将出脂口10封住，在壳体8上还具有一个转换口，转换口在阀芯11不同于出脂口10的另一侧与壳体8的内腔连通，也就是说，转换口通过一个单向阀结构与出脂口10相连通，而油箱6是直接与转换口相连，也就是说出脂口10与油箱6之间具有单向阀，并且单向阀允许油液由出脂口10流向油箱6，在壳体8的侧壁上开设有吸脂口15，吸脂口15是与轴承结构的排油孔5连通的，柱塞9由动力装置驱动往复运动。本实施例中的动力装置为液压油缸，液压油缸也是集成在吸脂器7上的，也就是与吸脂器7共用同一个壳体，液压油缸的活塞22与柱塞9连接在一起，活塞的直径大于柱塞9的直径，壳体8上开设与活塞配合的进排油孔21。而液压油缸的动力泵17是独立的，不和任何设备结构共用，也就是说吸排脂装置具有独立的动力系统，动力泵是由电机驱动的。液压油缸与动力泵之间设置有二位四通换向阀19。
在吸脂器7与油箱6之间串设有润滑脂过滤装置20和冷却装置23，冷却装置23靠近吸脂器，润滑脂过滤装置20靠近油箱6。
在注油孔4前还串设有两位三通阀24，两位三通阀24具有三个油口，其中两个油口 用于串设的油路中，第三个油口上连接废油脂储存装置25。
注油孔4上连通设置有油脂供给装置，油脂供给装置具有供油泵26的出油口连接有分配器16，分配器16的各个出口分别与注油孔4相连，为轴承结构注油。
在轴承循环换脂系统还设置有电控系统，电控系统能依据预先设定的工作间隔时间以及工作持续时间自动控制供脂装置及吸排脂装置启动与停止。根据实际情况计算出工作间隔时间以及工作持续时间后，将这个时间输入到电控系统中即就可以实现这种控制，对本领域的技术人员来说不需要创造性劳动。
一种轴承循环换脂系统的实施例2，在图4中，本实施例与轴承循环换脂系统的实施例1的区别在于：本实施例的吸脂器柱塞是由电动推杆驱动的，电动推杆由于电机18驱动。这里的电机18为直线电机，吸脂器的结构与实施例1中的吸脂器的结构相同。
上述实施例中设置了润滑脂过滤装置和冷却装置，在其他实施例中，也可以单独设置润滑脂过滤装置或冷却装置。
上述实施例中的轴承循环换脂系统的吸脂器也可以采用气压缸驱动，气压缸与液压缸属于等同技术特征。
上述实施例中的冷却装置23靠近吸脂器，润滑脂过滤装置20靠近油箱6，在其他实施例中，冷却装置与润滑脂过滤装置的位置可以互换。
上述实施例中驱动电动推杆的电机为直线电机，在其他实施例中也可以是普通电机，通过螺旋传动，把旋转运动，转换为直线运动。
一种轴承循环换脂系统的实施例3，在图5中，本实施例与轴承循环换脂系统的实施例1的区别在于：本实施例中，吸排脂装置的出脂口与油箱之间除了串设有润滑脂过滤装置20、冷却装置23之外，还串设了油品检测装置27，油品检测装置可检测以下参数：水分含量、浑浊程度、热量和机械磨损、温度以及老化程度，其构成为现有技术，具体可见中国发明专利申请“CN105612413A”的说明书，或采用其它市售产品，此处不予赘述。本实施例中，油品检测装置27设置在了润滑脂过滤装置20和冷却装置23之前(上游)，作用是检测由吸排脂装置从排油口排出的润滑脂的品质，以判断是否将其通过两位三通阀24排至废油脂储存装置25。
一种轴承循环换脂系统的实施例4，在图6中，本实施例与轴承循环换脂系统的实施例3的区别在于：本实施例中，油品检测装置27设置在了润滑脂过滤装置20和冷却装置23之后(下游)，作用是检测经润滑脂过滤装置20和冷却装置23处理过的润滑脂的品质，以判断是否将其通过两位三通阀24排至废油脂储存装置25，同时，还可以判断与之相靠 近的润滑脂过滤装置20的过滤效果，以为润滑脂过滤装置20的替换提供依据。
一种轴承循环换脂系统的实施例5，在图7中，本实施例与轴承循环换脂系统的实施例4的区别在于：本实施例中，去掉了润滑脂过滤装置，油品检测装置27可以用于判断与之相靠近的冷却装置23的冷却效果，以为冷却装置23的替换或调整提供依据。
一种轴承循环换脂系统的实施例6，在图8中，本实施例与轴承循环换脂系统的实施例3的区别在于：本实施例中，去掉了冷却装置，当然，在其他实施例中，还可以根据需要去掉润滑脂过滤装置20。

Claims (14)

  1. 一种轴承循环换脂系统，包括轴承结构和吸排脂装置，轴承结构的外圈和内圈之间具有用于设置润滑脂的润滑空间、轴承结构上开设有与润滑空间导通的注油孔及排油孔，其特征在于：排油孔与吸排脂装置的吸脂口相连，注油孔上连通设置有油脂供给装置，吸排脂装置的出脂口与油脂供给装置的油箱连通，吸排脂装置的出脂口与油箱之间至少串设有润滑脂过滤装置、冷却装置和油品检测装置之一。
  2. 根据权利要求1所述的轴承循环换脂系统，其特征在于：所述吸排脂装置的出脂口与油箱之间串设有润滑脂过滤装置和/或冷却装置。
  3. 根据权利要求2所述的轴承循环换脂系统，其特征在于：所述的轴承结构上开设有呼吸口。
  4. 根据权利要求3所述的轴承循环换脂系统，其特征在于：所述的呼吸口上设置有空气过滤装置。
  5. 根据权利要求2-4中任意一项权利要求所述的轴承循环换脂系统，其特征在于：所述的油箱前还串设有两位三通阀，两位三通阀的第三个油口上连接废油脂储存装置。
  6. 根据权利要求5所述的轴承循环换脂系统，其特征在于：所述的油脂循环驱动装置具有独立的动力系统。
  7. 根据权利要求6所述的轴承循环换脂系统，其特征在于：所述的轴承循环换脂系统还设置有电控系统，电控系统能依据预先设定的工作间隔时间以及工作持续时间自动控制油脂供给装置及吸排脂装置启动与停止。
  8. 根据权利要求6所述的轴承循环换脂系统，其特征在于：所述的吸排脂装置包括吸脂器，所述吸脂器包括壳体，壳体的内腔一端密封滑动设置有柱塞，壳体另一端端部开设有排油口，该排油口与壳体的内腔连通，所述排油口为出脂口，排油口与油箱之间设置有由排油口流向油箱的单向阀，所述壳体的侧壁上开设有吸油口，吸油口与所述的排油孔连通，所述柱塞由动力装置驱动往复运动。
  9. 根据权利要求8所述的轴承循环换脂系统，其特征在于：所述的动力装置包括液压油缸，液压油缸通过两位四通电磁换向阀连接有动力泵。
  10. 根据权利要求8所述的轴承循环换脂系统，其特征在于：所述的动力装置为液压油缸，液压油缸与所述吸脂器一体设置，液压油缸的壳体与吸脂器的壳体一体设置，液压油缸的活塞与吸脂器的柱塞相连。
  11. 根据权利要求8所述的轴承循环换脂系统，其特征在于：所述的动力装置为电动推杆， 电动推杆与所述吸脂器一体设置，电动推杆的壳体与吸脂器的壳体一体设置，电动推杆的推杆与吸脂器的柱塞相连。
  12. 根据权利要求1所述的轴承循环换脂系统，其特征在于：所述吸排脂装置的出脂口与油箱之间仅串设有所述润滑脂过滤装置、冷却装置和油品检测装置中的润滑脂过滤装置和油品检测装置，所述油品检测装置位于润滑脂过滤装置下游，以用于检测润滑脂过滤装置的效果。
  13. 根据权利要求1所述的轴承循环换脂系统，其特征在于：所述吸排脂装置的出脂口与油箱之间仅串设有所述润滑脂过滤装置、冷却装置和油品检测装置中的冷却装置和油品检测装置，所述油品检测装置位于冷却装置下游，以用于检测冷却装置的效果。
  14. 根据权利要求1所述的轴承循环换脂系统，其特征在于：所述吸排脂装置的出脂口与油箱之间串设有所述油品检测装置，吸排脂装置的出脂口与油箱之间还至少串设有所述润滑脂过滤装置和冷却装置之一，其中油品检测装置位于最上游，用于检测吸排脂装置排出的润滑脂的油品。
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