WO2019062989A1 - 轴承废油脂自动收集系统及其轴承自动换脂系统 - Google Patents

轴承废油脂自动收集系统及其轴承自动换脂系统 Download PDF

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Publication number
WO2019062989A1
WO2019062989A1 PCT/CN2018/108841 CN2018108841W WO2019062989A1 WO 2019062989 A1 WO2019062989 A1 WO 2019062989A1 CN 2018108841 W CN2018108841 W CN 2018108841W WO 2019062989 A1 WO2019062989 A1 WO 2019062989A1
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WIPO (PCT)
Prior art keywords
oil
grease
bearing
suction
automatic
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PCT/CN2018/108841
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English (en)
French (fr)
Inventor
赵大平
朱向华
温志建
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郑州奥特科技有限公司
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Publication of WO2019062989A1 publication Critical patent/WO2019062989A1/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
    • F16N—LUBRICATING
    • F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
    • F16N11/08—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups with mechanical drive, other than directly by springs or weights
    • 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
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • 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
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F16N29/02—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of 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
    • F16N—LUBRICATING
    • F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
    • F16N31/02—Oil catchers; Oil wipers

Definitions

  • the invention relates to a bearing automatic grease changing system for injecting lubricating grease into a bearing and extracting aged grease in the bearing.
  • the invention also relates to an automatic collecting and collecting system of bearing waste grease of the bearing automatic fat changing system.
  • the bearing is supplied with grease through the oil supply device.
  • the oil supply device has an oil supply pump.
  • the oil supply pump is generally a plunger pump or a gear pump, and the oil supply pump is connected to the block distributor and the distributor respectively. It is connected to each oil inlet on each bearing.
  • the oil supply pump is generally a plunger pump or a gear pump, and the oil supply pump is connected to the block distributor and the distributor respectively. It is connected to each oil inlet on each bearing.
  • the old grease since the old grease has a large viscosity and a high hardness, it requires a lot of force to extrude it, which causes the pressure of the extruded old grease to be higher than that of the bearing oil seal, and the grease is sealed by the oil seal.
  • the problem of outflow at the structure even the new grease with a small viscosity, resulting in no grease collected in the grease collection bottle, the grease is discharged from the bearing structure, the pollution environment does not say, it will also cause poor bearing lubrication.
  • a suction device which used a suction device to suck out the old grease, but in actual cases, the amount of new and old grease in the bearing structure could not be known, and the suction amount was too large to cause the bearing structure.
  • the amount of grease inside is too small, and the amount of suction is too small, which will cause accumulation of old grease and will not cause suction.
  • the object of the present invention is to provide an automatic collection system for bearing waste oil and oil, so as to solve the problem in the prior art that the amount of new and old grease in the bearing cannot be known under actual conditions, and the amount of oil in the bearing structure is excessively caused by the excessive suction amount. If the amount of suction is too small, the old grease will accumulate and the suction effect will not be solved.
  • the object of the present invention is to provide an automatic bearing replacement system using the bearing waste oil automatic collecting system.
  • the bearing waste oil automatic collecting system of the present invention adopts the following technical solutions:
  • An automatic collecting and collecting system for bearing waste oil comprising a bearing structure, a lubricating space for setting grease between the outer ring and the inner ring of the bearing structure, and an oil outlet communicating with the lubricating space on one side of the bearing structure,
  • An automatic suction and discharge device is arranged on the oil outlet, and a breathing port communicating with the lubrication space is formed on one or both sides of the oil outlet on the bearing structure.
  • An air filtering device is disposed on the breathing port.
  • the suction and discharge 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, the oil discharge port and the shell
  • the inner cavity of the body is connected, and the waste oil storage device is connected to the oil discharge port, and a check valve is provided between the oil discharge port and the waste oil storage device, and the side wall of the casing is disposed from the oil discharge port to the waste oil storage device.
  • the upper opening is provided with an oil suction port, and the oil suction port is in communication with the oil outlet, and the plunger is driven to reciprocate by the power device.
  • 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 utility model relates to an automatic grease changing system for bearings, comprising a bearing structure, a lubricating space for setting grease between the outer ring and the inner ring of the bearing structure, and oil outlets and inlets communicating with the lubrication space are respectively arranged on both sides of the bearing structure
  • the oil port and the oil outlet are connected with an automatic suction and discharge device, and an automatic oil supply device is arranged on the oil inlet port, and a breathing port is opened on one or both sides of the oil outlet.
  • An air filtering device is disposed on the breathing port.
  • the automatic suction and discharge device comprises a liposuction device, and the liposuction device comprises a casing.
  • 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 communicates with the waste oil storage device connected to the oil discharge port, and a check valve is arranged between the oil discharge port and the waste oil storage device to flow to the waste oil storage device, and the side of the casing
  • An oil suction port is opened on the wall, and the oil suction port communicates with the oil outlet, and the plunger is driven to reciprocate by the power device.
  • 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 bearing structure of the present invention is provided with an oil inlet port, an oil outlet port and a breathing port which are electrically connected to the lubrication space.
  • the hydraulic cylinder of the driving device of the suction device of the suction device of the suction device of the invention is connected with the power pump through the three-position four-way electromagnetic reversing valve, and the middle position function of the three-position four-way reversing valve is O-shaped, when the three-position four-way
  • the piston rod of the hydraulic cylinder performs telescopic movement to drive the liposuction to absorb grease.
  • the three-position four-way reversing valve is in the neutral position, the hydraulic cylinder is in a pressure-holding state, and the piston remains stationary.
  • the liposuction device is also in a non-working state, and the three-position four-way reversing valve can conveniently control the working state of the liposuction 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 prevent pollutants from entering the bearing structure to contaminate the grease.
  • the breathing port of the bearing structure of the present invention is provided with a grease collecting bottle. Once the grease flows out of the breathing port, it will enter the grease collecting bottle, and will not flow out to pollute the environment, and this situation is difficult to occur due to the suction effect. Even if there is grease, the amount is very small, and the grease collection bottle is hardly cleaned.
  • FIG. 1 is a schematic view showing the overall structure of an embodiment of a bearing waste oil automatic collecting system of the present invention
  • Figure 2 is a schematic view showing the overall structure of an embodiment of the bearing automatic fat changing system of the present invention
  • FIG. 3 is a schematic structural view of Embodiment 1 of the liposuction device of Figure 2;
  • Figure 4 is a schematic structural view of Embodiment 2 of the liposuction device of Figure 2;
  • Embodiment 1 of a bearing waste oil automatic collecting 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,
  • the lubrication space is used to set the grease.
  • the oil inlet 4, the oil outlet 5 and the breathing port 3 are opened on the outer ring 1 of the bearing structure, and the oil inlet 4, the oil outlet 5 and the breathing port 3 are all connected to the lubrication space.
  • the oil inlet 4 is one, the oil outlet 5 is also one, and the breathing port 3 is two, respectively on both sides of the oil outlet.
  • An air filtering device is provided on the breathing port 3.
  • a suction and discharge device is arranged in communication with the oil outlet 5, wherein the suction and discharge device is a liposuction device 7.
  • the liposuction device 7 has a housing 8 which is sealed and slidably provided at one end of the inner cavity of the housing 8. 9.
  • the other end of the casing 8 is provided with an oil discharge port 10, and the oil discharge port 10 communicates with the inner cavity of the casing 8.
  • the oil discharge port 10 is used for connecting the waste oil storage device.
  • the waste oil storage device is not shown in the drawing, and the waste oil storage device may be a waste oil collection tank as long as it has a waste oil storage space.
  • a one-way valve structure is integrally disposed on the end of the casing 8 adjacent to the oil discharge port 10.
  • the one-way valve structure shares the casing with the grease absorber 7, and the valve body 11 of the one-way valve structure is slidably assembled on the casing 8.
  • a return spring 13 is disposed between the valve body 11 and the valve seat 12 fixed to the housing 8.
  • the valve core 11 seals the oil discharge port 10 under the action of the return spring 13, and has a conversion on the housing 8.
  • the port is connected to the inner cavity of the casing 8 on the other side of the spool 11 different from the oil discharge port, that is, the switching port is connected to the oil discharge port through a one-way valve structure, and the waste oil storage device It is directly connected to the conversion port, that is to say, there is a one-way valve between the oil discharge port and the waste oil storage device, and the one-way valve allows the oil to flow from the oil discharge port to the waste oil storage device on the side wall of the casing 8.
  • An oil suction port 15 is opened, and the oil suction port 15 is in communication with the oil outlet 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 22 is larger than the diameter of the plunger 9, and the housing 8 is provided with an inlet and outlet port that cooperates with the piston.
  • Embodiment 2 of the bearing waste oil automatic collecting system the difference between this embodiment and Embodiment 1 is that an oil pressure sensor is provided in the hydraulic system of the hydraulic cylinder.
  • Embodiment 3 of a bearing waste oil automatic collecting system the difference between this embodiment and Embodiment 1 is that a position sensor is disposed on the piston of the hydraulic cylinder.
  • the waste oil collecting device in the above embodiment can be connected to an online oil detecting system, and the online oil detecting system is an online grease quality detecting system, and the detecting parameters include the impurity content of the oil and the metal element content such as iron.
  • the online oil detecting system is an online grease quality detecting system, and the detecting parameters include the impurity content of the oil and the metal element content such as iron.
  • the liposuction device of the bearing waste oil automatic collecting 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.
  • Embodiment 1 of a bearing automatic fat changing system in FIG. 1, FIG. 2 and FIG. 3, an outer ring 1 and an inner ring 2 of a bearing structure of a bearing automatic grease changing system and an oil seal provided at both ends form a lubrication space,
  • the lubrication space is used to set the grease.
  • the oil inlet 4, the oil outlet 5 and the breathing port 3 are opened on the outer ring 1 of the bearing structure, and the oil inlet 4, the oil outlet 5 and the breathing port 3 are all connected to the lubrication space.
  • the oil inlet 4 is one, the oil outlet 5 is also one, and the breathing port 3 is two, respectively on both sides of the oil outlet.
  • An air filtering device is provided on the breathing port 3.
  • An oil supply device is disposed in the oil inlet 4, and the oil supply device has an oil supply pump 16.
  • the oil outlet of the oil supply pump 16 is connected to the oil inlet port 4 through the distributor 6, and oil is injected into the bearing structure.
  • a suction and discharge device is arranged in communication with the oil outlet 5, wherein the suction and discharge device is a liposuction device 7.
  • the liposuction device 7 has a housing 8 which is sealed and slidably provided at one end of the inner cavity of the housing 8. 9.
  • the other end of the casing 8 is provided with an oil discharge port 10, and the oil discharge port 10 communicates with the inner cavity of the casing 8.
  • the oil discharge port 10 is used for connecting the waste oil storage device.
  • the waste oil storage device is not shown in the drawing, and the waste oil storage device may be a waste oil drum as long as it has a waste oil storage space.
  • a one-way valve structure is integrally disposed on the end of the casing 8 adjacent to the oil discharge port 10.
  • the one-way valve structure shares the casing with the grease absorber 7, and the valve body 11 of the one-way valve structure is slidably assembled on the casing 8.
  • a return spring 13 is disposed between the valve body 11 and the valve seat 12 fixed to the housing 8.
  • the valve core 11 seals the oil discharge port 10 under the action of the return spring 13, and has a conversion on the housing 8.
  • the port is connected to the inner cavity of the casing 8 on the other side of the spool 11 different from the oil discharge port, that is, the switching port is connected to the oil discharge port through a one-way valve structure, and the waste oil storage device It is directly connected to the conversion port, that is to say, there is a one-way valve between the oil discharge port and the waste oil storage device, and the one-way valve allows the oil to flow from the oil discharge port to the waste oil storage device on the side wall of the casing 8.
  • An oil suction port 15 is opened, and the oil suction port 15 is in communication with the oil outlet 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 22 is larger than the diameter of the plunger 9, and the housing 8 is provided with an inlet and outlet port 21 that cooperates with the piston.
  • the power pump 19 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.
  • a three-position four-way reversing valve 17 is disposed between the hydraulic cylinder and the power pump 19, and the median function of the three-position four-way reversing valve 17 is an O-type.
  • Embodiment 2 of a bearing automatic fat changing system in FIG. 4, the difference between the embodiment and the bearing automatic fat changing system embodiment 1 is that the liposuction 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.
  • a current detecting device is provided in the circuit of the electric push rod.
  • Embodiment 3 of a bearing automatic fat changing system the difference between this embodiment and Embodiment 3 of the bearing automatic fat changing system is that a position sensor is disposed on the moving member of the electric push rod.
  • Embodiment 4 of a bearing automatic fat changing system the difference between this embodiment and Embodiment 1 of the bearing automatic grease changing system is that an oil pressure sensor is provided in the hydraulic system of the hydraulic cylinder.
  • Embodiment 5 of a bearing automatic grease changing system the difference between this embodiment and the bearing automatic grease changing system embodiment 1 is that a position sensor is disposed on the piston of the hydraulic cylinder.
  • the hydraulic cylinder and the power pump in the embodiment of the bearing automatic grease changing system are connected through a three-position four-way reversing valve, and in other embodiments, through a two-position four-way reversing valve.
  • the waste oil collecting device in the above embodiment can be connected to an online oil detecting system, and the online oil detecting system is an online grease quality detecting system, and the detecting parameters include the impurity content of the oil and the metal element content such as iron.
  • the online oil detecting system is an online grease quality detecting system, and the detecting parameters include the impurity content of the oil and the metal element content such as iron.
  • the liposuction device of the bearing automatic grease changing 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 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.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

一种轴承废油脂自动收集系统及其轴承自动换脂系统，其轴承废油脂自动收集系统的轴承结构的外圈（1）和内圈（2）之间具有用于设置润滑脂的润滑空间，轴承结构的一侧开设有与润滑空间连通的出油口（5），出油口（5）上连通设置有自动吸排装置，轴承结构上于出油口（5）的一侧或两侧开设有与润滑空间连通的呼吸口（3），该轴承结构上开设与润滑空间导通的进油口（4）、出油口（5）以及呼吸口（3），在抽吸装置将油脂抽空以后，空气将由呼吸口（3）进入，抽吸装置将抽不到油脂，轴承结构内部的油脂将不再减少，并且，由于空气的进入，轴承结构内部的压力不会低于外部大气压，可以避免轴承结构被破坏，不仅可以保证轴承内部油脂量，还可以保证轴承结构内部的压力。

Description

轴承废油脂自动收集系统及其轴承自动换脂系统 技术领域
本发明涉及一种为轴承注入润滑油脂并抽出轴承内的老化油脂的轴承自动换脂系统，本发明还涉及该轴承自动换脂系统的轴承废油脂自动收集系统。
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，用于风力发电设备、建筑机械等中的轴承就属于这类轴承，这类轴承需要采用油脂进行润滑，油脂的粘稠度较大，不易流出，在轴承内、外圈之间的润滑空间完全封闭的情况下，润滑脂不会流出，但是，随着时间的流逝，润滑脂会老化，变硬，这就需要向润滑空间内注入新的油脂并替换旧的油脂，现有技术中会通过供油装置对轴承提供油脂，供油装置具有供油泵，供油泵一般为柱塞泵或者齿轮泵，供油泵连接块式分配器，分配器分别与各个轴承上的各个进油口连通。随着新鲜润滑脂的注入，老化后的旧油脂会从轴承结构上所开的出油口被挤出，为了防止出来的旧油脂污染环境，会在出油口上设置油脂收集瓶，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，润滑剂便不受控制地从润滑脂收集瓶中流出。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，这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，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油脂，造成油脂收集瓶中没有收集到油脂，油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，为了解决这一问题，研制出了抽吸装置，采用抽吸装置将旧油脂抽吸出来，但是在实际情况下，无法得知轴承结构内的新旧油脂的量，抽吸量过大会造成轴承结构内的油脂量过少，抽吸量过小又会造成旧油脂堆积，起不到抽吸效果。
发明内容
本发明的目的是提供一种轴承废油脂自动收集系统，以解决现有技术中在实际情况下，无法得知轴承内的新旧油脂的量，抽吸量过大会造成轴承结构内的油脂量过少，抽吸量过小又会造成旧油脂堆积，起不到抽吸效果的问题，同时，本发明的目的还在于提供使用该轴承废油脂自动收集系统的轴承自动换脂系统。
为了实现以上目的，本发明的轴承废油脂自动收集系统采用如下技术方案：
一种轴承废油脂自动收集系统，包括轴承结构，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，轴承结构的一侧开设有与润滑空间连通的的出油口，出油口上连通设置有自动吸排装置，轴承结构上于出油口的一侧或两侧开设有与润滑空间连通的呼吸口。
所述的呼吸口上设置有空气过滤装置。
所述的吸排装置包括吸脂器，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，排油口上连通设置有废油储存装置，排油口与废油储存装置之间设置有由排油口流向废油储存装置的单向阀，所述壳体的侧壁上开设有吸油口，吸油口与所述的出油口连通，所述柱塞由动力装置驱动往复运动。
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。
一种轴承自动换脂系统采用如下技术方案：
一种轴承自动换脂系统，包括轴承结构，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，轴承结构的两侧分别开设有与润滑空间连通的出油口和进油口，出油口上连通设置有自动吸排装置，进油口上连通设置有自动供油装置，轴承结构上于出油口的一侧或两侧开设有呼吸口。
所述的呼吸口上设置有空气过滤装置。
所述的自动吸排装置包括吸脂器，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，排油口上连通设置有废油储存装置，排油口与废油储存装置之间设置有由排油口流向废油储存装置的单向阀，所述壳体的侧壁上开设有吸油口，吸油口与所述的出油口连通，所述柱塞由动力装置驱动往复运动。
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。
本发明的轴承结构上开设有与润滑空间导通的进油口、出油口以及呼吸口，在抽吸装 置将油脂抽空以后，空气将由呼吸口进入，抽吸装置将抽不到油脂，轴承结构内部的油脂将不再减少，并且，由于空气的进入，轴承结构内部的压力不会低于外部大气压，可以避免轴承结构被破坏，不仅可以保证轴承内部油脂量，还可以保证轴承结构内部的压力。
本发明的抽吸装置的吸脂器的驱动装置的液压油缸通过三位四通电磁换向阀连接有动力泵，三位四通换向阀的中位机能为O形，当三位四通换向阀在左右位间转换时，液压油缸的活塞杆做伸缩运动，驱动吸脂器吸脂，当三位四通换向阀处于中位时，液压油缸处于保压状态，活塞保持不动，吸脂器也处于非工作状态，三位四通换向阀可以方便的控制吸脂器的工作状态。
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。
本发明的轴承结构的呼吸口上设置有油脂收集瓶，一旦润滑脂由呼吸口中流出会进入油脂收集瓶，不会流出来污染环境，并且，由于抽吸作用的存在，这种情况很难出现，即便有油脂流出，量也非常小，油脂收集瓶几乎不用清理。
附图说明
图1是本发明的轴承废油脂自动收集系统的实施例的整体结构示意图；
图2是本发明的轴承自动换脂系统的实施例的整体结构示意图；
图3是图2中吸脂器的实施例1的结构示意图；
图4是图2中吸脂器的实施例2的结构示意图；
图中：1-外圈；2-内圈；3-呼吸口；4-进油口；5-出油口；6-分配器；7-吸脂器；8-壳体；9-柱塞；10-排油口；11-阀芯；12-阀座；13-复位簧；15-吸油口；16-供油泵；17-三位四通换向阀；18-电机；19-动力泵；21-进出油口；22-活塞。
具体实施方式
一种轴承废油脂自动收集系统的实施例1，在图1、图2以及图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上开设有进油口4、出油口5以及呼吸口3，进油口4、出油口5以及呼吸口3均与润滑空间连通。进油口4为一个，出油口5也为一个，呼吸口3为两个，分别处在出油口的两侧。在呼吸口3上设置有空气过滤装置。
在出油口5上连通设置有吸排装置，这里的吸排装置为吸脂器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排油口10，该排油口10与壳体8的内腔连通，排油口10是用于连通废油储存装置的，在本实施例的附图中没有画出废油储存装置，废油储存装置可以是废油收集桶，只要具有废油存储空间即可。在壳体8靠近排油口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的作用下会将排油口10封住，在壳体8上还具有一个转换口，转换口在阀芯11不同于排油口的另一侧与壳体8的内腔连通，也就是说，转换口通过一个单向阀结构与排油口相连通，而废油储存装置是直接与转换口相连，也就是说排油口与废油储存装置之间具有单向阀，并且单向阀允许油液由排油口流向废油储存装置，在壳体8的侧壁上开设有吸油口15，吸油口15是与轴承结构的出油口连通的，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22的直径大于柱塞9的直径，壳体8上开设有与活塞配合的进出油口。
一种轴承废油脂自动收集系统的实施例2，本实施例与实施例1的区别在于：在液压油缸的油压系统中设置有油压传感器。
一种轴承废油脂自动收集系统的实施例3，本实施例与实施例1的区别在于：在液压油缸的活塞上设置有位置传感器。
上述实施例中的废油脂收集装置上可以连接上在线油品检测系统，在线油品检测系统是一种在线的油脂质量检测系统，检测参数包括油脂的杂质含量、铁等金属元素含量等，为一种现有技术。
上述实施例中的轴承废油脂自动收集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。
一种轴承自动换脂系统的实施例1，在图1、图2以及图3中，轴承自动换脂系统的轴承结构的外圈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上开设有进油口4、出油口5以及呼吸口3，进油口4、出油口5以及呼吸口3均与润滑空间连通。进油口4为一个，出油口5也为一个，呼吸口3为两个，分别处在出油口的两侧。在呼吸口3上设置有空气过滤装置。
进油口4上连通设置有供油装置，供油装置具有供油泵16，供油泵16的出油口经分配器6后与进油口4相连，为轴承结构注油。
在出油口5上连通设置有吸排装置，这里的吸排装置为吸脂器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排油口10，该排油口10与壳体8的内腔连通，排油口10是用于连通废油储存装置的，在本实施例的附图中没有画出废油储存装置，废油储存装置可以是废油桶，只要具有废油存储空间即可。在壳体8靠近排油口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的作用下会将排油口10封住，在壳体8上还具有一个转换口，转换口在阀芯11不同于排油口的另一侧与壳体8的内腔连通，也就是说，转换口通过一个单向阀结构与排油口相连通，而废油储存装置是直接与转换口相连，也就是说排油口与废油储存装置之间具有单向阀，并且单向阀允许油液由排油口流向废油储存装置，在壳体8的侧壁上开设有吸油口15，吸油口15是与轴承结构的出油口连通的，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22的直径大于柱塞9的直径，壳体8上开设有与活塞配合的进出油口21。而液压油缸的动力泵19是独立的，不和任何设备结构共用，也就是说吸排装置具有独立的动力系统。液压油缸与动力泵19之间设置有三位四通换向阀17，三位四通换向阀17的中位机能为O型。
一种轴承自动换脂系统的实施例2，在图4中，本实施例与轴承自动换脂系统的实施例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。在电动推杆的电路中设置有电流检测装置。
一种轴承自动换脂系统的实施例3，本实施例与轴承自动换脂系统的实施例3的区别在于：在电动推杆的运动件上设置有位置传感器。
一种轴承自动换脂系统的实施例4，本实施例与轴承自动换脂系统的实施例1的区别在于：在液压油缸的油压系统中设置有油压传感器。
一种轴承自动换脂系统的实施例5，本实施例与轴承自动换脂系统实施例1的区别在于：在液压油缸的活塞上设置有位置传感器。
上述轴承自动换脂系统的实施例中的液压油缸与动力泵之间是通过三位四通换向阀连通的，在其他实施例中也可以通过两位四通换向阀连通的。
上述实施例中的废油脂收集装置上可以连接上在线油品检测系统，在线油品检测系统 是一种在线的油脂质量检测系统，检测参数包括油脂的杂质含量、铁等金属元素含量等，为一种现有技术。
上述实施例中的轴承自动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。

Claims (10)

  1. 一种轴承废油脂自动收集系统，包括轴承结构，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，轴承结构的一侧开设有与润滑空间连通的的出油口，出油口上连通设置有自动吸排装置，其特征在于：轴承结构上于出油口的一侧或两侧开设有与润滑空间连通的呼吸口。
  2. 根据权利要求1所述的轴承废油脂自动收集系统，其特征在于：所述的呼吸口上设置有空气过滤装置。
  3. 根据权利要求1或2所述的轴承废油脂自动收集系统，其特征在于：所述的吸排装置包括吸脂器，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，排油口上连通设置有废油储存装置，排油口与废油储存装置之间设置有由排油口流向废油储存装置的单向阀，所述壳体的侧壁上开设有吸油口，吸油口与所述的出油口连通，所述柱塞由动力装置驱动往复运动。
  4. 根据权利要求3所述的轴承废油脂自动收集系统，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。
  5. 根据权利要求3所述的轴承废油脂自动收集系统，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。
  6. 一种轴承自动换脂系统，包括轴承结构，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，轴承结构的两侧分别开设有与润滑空间连通的出油口和进油口，出油口上连通设置有自动吸排装置，进油口上连通设置有自动供油装置，其特征在于：轴承结构上于出油口的一侧或两侧开设有呼吸口。
  7. 根据权利要求6所述的轴承自动换脂系统，其特征在于：所述的呼吸口上设置有空气过滤装置。
  8. 根据权利要求6或7所述的轴承自动换脂系统，其特征在于：所述的自动吸排装置包括吸脂器，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，排油口上连通设置有废油储存装置，排油口与废油储存装置之间设置有由排油口流向废油储存装置的单向阀，所述壳体的侧壁上开设有吸油口，吸油口与所述的出油口连通，所述柱塞由动力装置驱动往复运 动。
  9. 根据权利要求8所述的轴承自动换脂系统，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。
  10. 根据权利要求8所述的轴承自动换脂系统，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。
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