WO2019062985A1 - 轴承废油脂自动收集系统及其轴承的自动换脂系统 - Google Patents

轴承废油脂自动收集系统及其轴承的自动换脂系统 Download PDF

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Publication number
WO2019062985A1
WO2019062985A1 PCT/CN2018/108829 CN2018108829W WO2019062985A1 WO 2019062985 A1 WO2019062985 A1 WO 2019062985A1 CN 2018108829 W CN2018108829 W CN 2018108829W WO 2019062985 A1 WO2019062985 A1 WO 2019062985A1
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Prior art keywords
pressure
bearing
grease
suction
oil
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PCT/CN2018/108829
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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 WO2019062985A1 publication Critical patent/WO2019062985A1/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
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • 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

Definitions

  • This invention relates to an automatic grease changing system for a bearing that injects grease into a bearing and draws out aged grease in the bearing.
  • the present invention also relates to an automatic collection system for bearing waste grease of the automatic grease changing system of the bearing.
  • the oil is supplied to the bearing by the oil supply device, and the oil supply device has a fuel 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 and the distributor respectively Each oil inlet on the bearing is connected.
  • 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.
  • the problem of outflow at the oil seal structure even the new grease with a small viscosity, causes no grease to be collected in the grease collection bottle, and the grease is discharged from the bearing structure.
  • the pollution environment does not mean that the bearing is poorly lubricated.
  • a suction device was designed, and the old grease was sucked out by the suction device, 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.
  • the amount of grease in the structure 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 achieved.
  • the object of the present invention is to provide an automatic grease changing system for the bearing using the bearing automatic waste oil collection system.
  • the bearing waste oil automatic collecting system of the present invention adopts the following technical scheme: a bearing waste oil automatic collecting system, including a bearing structure, and a lubrication for setting grease between the outer ring and the inner ring of the bearing structure
  • the bearing structure is provided with an oil outlet that is electrically connected to the lubrication space, and a suction and discharge device is arranged in the outlet of the oil outlet.
  • the automatic collection system of the bearing waste grease is also provided with an electric control system, and the electronic control system can detect the lubrication space.
  • the pressure activates the power system of the suction and discharge device when the pressure is greater than the set pressure, and stops the power system of the suction and discharge device when the pressure is less than the set pressure.
  • the electronic control system includes a pressure sensor disposed in the lubrication space and a central controller, and the pressure sensor transmits the detected pressure signal to the central controller, and the central controller can pre-store the received pressure signal The set pressure is compared and the central controller controls the power system of the suction and discharge device to be turned on or off.
  • the electronic control system includes a pressure switch for detecting a pressure in the lubrication space and a central controller, and the set pressure is set in the pressure switch, and the pressure in the lubrication space detected by the pressure switch reaches the inside thereof.
  • the pressure switch outputs a trigger signal to the central controller to open the power system.
  • the pressure switch stops outputting the trigger signal, and the central controller The power system that controls the suction and discharge device is stopped.
  • An automatic grease changing system for a bearing 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 inlet and an oil outlet for opening the lubricating space on the bearing structure
  • An oil supply device is arranged in the oil inlet, and a suction and discharge device is arranged on the oil outlet.
  • the automatic grease changing system of the bearing is further provided with an electric control system, and the electronic control system can detect the pressure in the lubrication space and at the pressure When the pressure is greater than the set pressure, the power system of the suction and discharge device is activated, and when the pressure is less than the set pressure, the power system of the suction and discharge device is stopped.
  • the electronic control system includes a pressure sensor disposed in the lubrication space and a central controller, and the pressure sensor transmits the detected pressure signal to the central controller, and the central controller can pre-store the received pressure signal The set pressure is compared and the central controller controls the power system of the suction and discharge device to be turned on or off.
  • the electronic control system includes a pressure switch for detecting a pressure in the lubrication space and a central controller, and the set pressure is set in the pressure switch, and the pressure in the lubrication space detected by the pressure switch reaches the inside thereof.
  • the pressure switch outputs a trigger signal to the central controller to open the power system.
  • the pressure switch stops outputting the trigger signal, and the central controller The power system that controls the suction and discharge device is stopped.
  • the electronic control system of the bearing waste oil automatic collecting system of the invention can detect the pressure in the lubrication space and start the power system of the suction and discharge device when the pressure is greater than the set pressure, and stop the power system of the suction and discharge device when the pressure is less than the set pressure .
  • the pressure inside the bearing structure can be reliably ensured to ensure reliable operation of the bearing structure.
  • the electronic control system of the automatic grease changing system of the bearing of the invention can detect the pressure in the lubrication space and activate the power system of the suction and discharge device when the pressure is greater than the set pressure, and stop the power system of the suction and discharge device when the pressure is less than the set pressure .
  • the pressure inside the bearing structure can be reliably ensured to ensure reliable operation of the bearing structure.
  • Figure 1 is an electrical schematic diagram of a pressure sensor inside a bearing structure of the present invention
  • Figure 2 is an electrical schematic diagram of a pressure switch inside the bearing structure of the present invention
  • Figure 3 is an electrical schematic diagram of a single-chip microcomputer of the bearing structure of the present invention.
  • FIG. 4 is an electrical schematic diagram of the single-chip controlled motor of FIG.
  • Figure 5 is a schematic view showing the overall structure of an embodiment of the automatic bearing grease automatic collecting system of the present invention.
  • Figure 6 is a schematic view showing the overall structure of an embodiment of an automatic grease changing system for a bearing of the present invention.
  • FIG. 7 is a schematic structural view of Embodiment 1 of the liposuction device of Figure 6;
  • Figure 8 is a schematic structural view of Embodiment 2 of the liposuction device of Figure 6;
  • Embodiment 1 of a bearing waste oil automatic collecting system in FIG. 1, FIG. 3 and FIG. 4, in conjunction with FIG. 5, FIG. 6, and FIG. 7, the outer ring 1 and the inner ring 2 of the bearing structure in the embodiment and
  • the oil seals at both ends form a lubrication space, and 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 electrically connected to the lubrication space.
  • the oil inlet port 4 is uniformly disposed on the bearing structure, and an oil outlet port 5 or a breathing port 3 is disposed between the adjacent two oil inlet ports 4, and one of the oil inlet ports 4 is oiled on one side of the oil inlet port 4
  • the mouth 5, the other is the breathing port 3.
  • An air filter device and a grease collection bottle are disposed 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 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 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 inlet and outlet ports of the housing 8 are engaged 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, and the power pump is driven by the motor 18.
  • the pressure sensor is a CYYZ51 flat model pressure transmitter.
  • the pressure sensor transmits the detected pressure signal to the central controller, where the central controller
  • the central controller For the single chip microcomputer, as shown in FIG. 3, the central controller can compare the received pressure signal with the set pressure previously stored therein, and the central controller controls the power system of the suction and discharge device to be turned on or off. Since the CYYZ51 flat model pressure transmitter outputs a 485 signal, it needs to be transformed. This is a standard transformation.
  • Figure 1 is the 485-transformed electrical diagram of the pressure sensor.
  • the transformed structure can be connected with the corresponding connector on the MCU, that is, the 485_RX, 485_CON, 485_TX interface in Figure 1 and the 485_RX and 485_CON on the MCU in Figure 3. 485_TX is connected.
  • the single-chip microcomputer controls the motor through the relay, which is also a conventional control mode.
  • Figure 4 is the control circuit, in which the motor terminals are respectively connected with the positive and negative poles of the motor, and the control signals of Relay_Z and Relay_F are respectively relay_Z of the single-chip microcomputer.
  • the function of the MCU is programmed to compare the received pressure signal with the set pressure previously stored therein, and according to the result, the power system of the suction and discharge device is controlled to be turned on or off.
  • the single-chip microcomputer receives the pressure greater than the pressure set therein, the power system of the suction and discharge device is controlled to be turned on, and vice versa, the power system of the suction and discharge device is stopped.
  • Embodiment 2 of the bearing waste oil automatic collecting system the difference between the embodiment and the embodiment 1 is that a pressure switch is disposed in the lubrication space of the bearing structure, and a setting is set inside the pressure switch. Pressure, when the pressure in the lubrication space detected by the pressure switch reaches the set pressure within it, the pressure switch outputs a trigger signal to the central controller, and the central controller controls the power system of the suction and discharge device to be turned on, and the lubrication detected by the pressure switch When the pressure in the space is less than the set pressure within it, the pressure switch stops outputting the trigger signal, and the central controller controls the power system of the suction and discharge device to stop.
  • the circuit diagram of the pressure sensor is as shown in FIG.
  • the ports OILMEASU, OILLEVEL, OILPRESS, and AIRPRESS are respectively connected with the corresponding ports of the single-chip microcomputer in FIG. 3, and the single-chip microcomputer also controls the motor through the relay, as shown in FIG. 4, wherein The motor terminals are respectively connected to the positive and negative terminals of the motor, and the control signals of Relay_Z and Relay_F are respectively connected with the Relay_Z and Relay_F ports of the single chip microcomputer, and the functions of the single chip microcomputer are also realized by programming.
  • Embodiment 3 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 4 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 may be connected with a grease detecting device.
  • the grease detecting device is an online grease detecting system, and the detecting parameters include the impurity content of the oil and the metal element content such as iron, which is a prior art.
  • 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 an automatic grease changing system for a bearing in FIG. 1, FIG. 3 and FIG. 6, the outer ring 1 and the inner ring 2 of the bearing structure of the automatic grease changing system of the bearing and the oil seal provided at both ends form a lubrication Space, lubrication space is used to set 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 electrically connected to the lubrication space.
  • the oil inlet port 4 is uniformly disposed on the bearing structure, and an oil outlet port 5 or a breathing port 3 is disposed between the adjacent two oil inlet ports 4, and one of the oil inlet ports 4 is oiled on one side of the oil inlet port 4
  • the mouth 5, the other is the breathing port 3.
  • An air filter device and a grease collection bottle 6 are 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 with a distributor 20, and each outlet of the distributor 20 is respectively connected with the oil inlet port to fill 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 at the oil discharge port of the grease suction device.
  • the filtering device is used for on-line observation of the content of impurities in the waste grease, that is, the grease detecting device can be connected to the filtering device, and the grease detecting device is an online grease detecting system, and the detecting parameters include the impurity content of the oil and the metal elements such as iron.
  • the content is a prior art.
  • An oil suction port 15 is opened on the side wall of the casing 8, and the oil suction port 15 communicates 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 inlet and outlet ports 21 that cooperate with the piston are formed in the housing 8.
  • the power pump of the hydraulic cylinder is independent and is not shared with any equipment structure, that is to say, the suction and discharge device has an independent power system.
  • a three-position four-way reversing valve 17 is arranged between the hydraulic cylinder and the power pump, and the middle position function of the three-position four-way reversing valve 17 is O-shaped.
  • a pressure sensor is also arranged in the lubrication space of the bearing structure.
  • the pressure sensor is a CYYZ51 flat model pressure transmitter, and the pressure sensor transmits the detected pressure signal to the central controller, where the central control is performed.
  • the device is a single chip microcomputer.
  • the central controller can compare the received pressure signal with a preset pressure previously stored therein, and the central controller controls the power system of the suction and discharge device to be turned on or off. Since the CYYZ51 flat model pressure transmitter outputs the 485 signal master control system, it is necessary to transform the signal, which is a standard conversion.
  • Figure 1 is the 485 signal conversion electrical diagram of the pressure sensor.
  • the transformed structure can be connected with the corresponding connector on the single-chip microcomputer, that is, the 485_RX, 485_CON, 485_TX signals in Figure 1 and the 485_RX on the single-chip microcomputer in Figure 3. 485_CON, 485_TX are connected.
  • the single-chip microcomputer controls the motor through the relay, which is also a conventional control mode.
  • Figure 4 is the control circuit, in which the motor terminals are respectively connected with the positive and negative poles of the motor, and the Relay_Z and Relay_F signals are respectively relay_Z and Relay_F of the single-chip microcomputer.
  • the ports are connected, and the function of the single chip microcomputer is realized by programming, which has the function of comparing the received pressure signal with the set pressure previously stored therein, and controlling the power system of the suction and discharge device to be turned on or off according to the structure.
  • the single-chip microcomputer receives the pressure greater than the pressure set therein, the power system of the suction and discharge device is controlled to be turned on, and vice versa, the power system of the suction and discharge device is stopped.
  • Embodiment 2 of an automatic grease changing system for a bearing in FIG. 2, the difference between the embodiment and the embodiment 1 of the automatic grease changing system of the bearing is that the pressure switch disposed in the lubrication space of the bearing structure is The pressure switch is internally provided with a set pressure. When the pressure in the lubrication space detected by the pressure switch reaches the set pressure therein, the pressure switch outputs a trigger signal to the central controller, and the central controller controls the power system of the suction and discharge device to be turned on. When the pressure in the lubrication space detected by the pressure switch is less than the set pressure therein, the pressure switch stops outputting the trigger signal, and the central controller controls the power system of the suction and discharge device to stop.
  • the circuit diagram of the pressure sensor is as shown in FIG.
  • the ports OILMEASU, OILLEVEL, OILPRESS, and AIRPRESS are respectively connected with the corresponding ports of the single-chip microcomputer in FIG. 3, and the single-chip microcomputer also controls the motor through the relay, as shown in FIG. 4, wherein The motor terminals are respectively connected to the positive and negative terminals of the motor, and the Relay_Z and Relay_F signals are respectively connected to the Relay_Z and Relay_F ports of the single chip microcomputer, and the functions of the single chip microcomputer are also realized by programming.
  • Embodiment 3 of an automatic grease changing system for a bearing the difference between the embodiment and the automatic grease changing system of the bearing is that the lipoperiser plunger of the embodiment is an electric push rod.
  • the driven, electric push rod is driven by a 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.
  • a fourth embodiment of the automatic grease changing system for a bearing differs from the third embodiment of the automatic grease changing system of the bearing in that a position sensor is disposed on the moving member of the electric push rod.
  • Embodiment 5 of an automatic grease changing system for a bearing is different from Embodiment 1 of the automatic grease changing system of the bearing in that an oil pressure sensor is provided in the hydraulic system of the hydraulic cylinder.
  • Embodiment 6 of an automatic grease changing system for a bearing is different from Embodiment 1 of the automatic grease changing system of the bearing in 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 automatic grease changing system of the above bearing 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 may 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, the metal element content such as iron, and the like.
  • the online oil detecting system is an online grease quality detecting system
  • the detecting parameters include the impurity content of the oil, the metal element content such as iron, and the like.
  • the liposuction device of the automatic grease changing system of the bearing 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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Abstract

一种轴承废油脂自动收集系统，其轴承结构的外圈（1）和内圈（2）之间具有用于设置润滑脂的润滑空间，轴承结构上开设与润滑空间导通的出油口（5），出油口（5）上连通设置有吸排装置（7）；该系统还设置有电控系统，电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置（7）的动力系统、在该压力小于设定压力时停止吸排装置（7）的动力系统，从而可靠的保证轴承结构内的压力，确保轴承结构能可靠工作。还涉及一种轴承的自动换脂系统。

Description

轴承废油脂自动收集系统及其轴承的自动换脂系统 技术领域
本发明涉及一种为轴承注入润滑脂并抽出轴承内的老化油脂的轴承的自动换脂系统，本发明还涉及该轴承的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，老化后的旧油脂会被从轴承结构上所开的出油口挤出，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。此外存在这样的风险，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，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，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，设计出来了抽吸装置，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的自动换脂系统。
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，轴承结构上开设与润滑空间导通的出油口，出油口上连通设置有吸排装置，所述的轴承废油脂自动收集系统还设置有电控系统，电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置的动力系统、在该压力小于设定压力时停止吸排装置的动力系统。
所述的电控系统包括设置在润滑空间内的压力传感器以及中央控制器，压力传感器将检测到的压力信号传递给中央控制器，中央控制器能将接收到的压力信号与预先存入其内的设定压力进行比较，中央控制器控制吸排装置的动力系统开启或停止。
所述的电控系统包括用于检测润滑空间内的压力的压力开关以及中央控制器，所述设定压力设置在压力开关内，当压力开关检测到的润滑空间内的压力达到其内的设定压力时，压力开关输出触发信号给中央控制器，使其开启动力系统，在压力开关检测到的润滑空间内的压力小于其内的设定压力时，压力开关停止输出触发信号，中央控制器控制吸排装置的动力系统停止。
一种轴承的自动换脂系统采用如下技术方案：
一种轴承的自动换脂系统，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，轴承结构上开设与润滑空间导通的进油口、出油口，进油口上连通设置有供油装置，出油口上连通设置有吸排装置，所述的轴承的自动换脂系统还设置有电控系统，电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置的动力系统、在该压力小于设定压力时停止吸排装置的动力系统。
所述的电控系统包括设置在润滑空间内的压力传感器以及中央控制器，压力传感器将检测到的压力信号传递给中央控制器，中央控制器能将接收到的压力信号与预先存入其内的设定压力进行比较，中央控制器控制吸排装置的动力系统开启或停止。
所述的电控系统包括用于检测润滑空间内的压力的压力开关以及中央控制器，所述设定压力设置在压力开关内，当压力开关检测到的润滑空间内的压力达到其内的设定压力时，压力开关输出触发信号给中央控制器，使其开启动力系统，在压力开关检测到的润滑空间内的压力小于其内的设定压力时，压力开关停止输出触发信号，中央控制器控制吸排装置的动力系统停止。
本发明的轴承废油脂自动收集系统的电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置的动力系统、在该压力小于设定压力时停止吸排装置的动力系统。可以可靠的保证轴承结构内的压力，确保轴承结构能可靠工作。
本发明的轴承的自动换脂系统的电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置的动力系统、在该压力小于设定压力时停止吸排装置的动力系统。可以可靠的保证轴承结构内的压力，确保轴承结构能可靠工作。
附图说明
图1是本发明的轴承结构内部的压力传感器的电气原理图；
图2是本发明的轴承结构内部的压力开关的电气原理图；
图3是本发明的轴承结构的单片机的电气原理图；
图4是图3中的单片机控制电机的电气原理图。
图5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6是本发明的轴承的自动换脂系统的实施例的整体结构示意图；
图7是图6中吸脂器的实施例1的结构示意图；
图8是图6中吸脂器的实施例2的结构示意图；
附图标记说明：1-外圈；2-内圈；3-呼吸口；4-进油口；5-出油口；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；20-分配器；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3和图4中，结合图5、图6以及图7，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均与润滑空间导通。进油口4是均匀设置在轴承结构上的，在相邻的两个进油口4之间设置有出油口5或者呼吸口3，处在一个进油口4两侧的一个是出油口5，另一个是呼吸口3。在呼吸口3上设置有空气过滤装置以及油脂收集瓶。
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7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出油口。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，动力泵是由电机18驱动的。
在轴承结构的润滑空间内还有压力传感器，如图1所示，该压力传感器为CYYZ51平模型压力变送器，压力传感器会将检测到的压力信号传递给中央控制器，这里的中央控制器为单片机，如图3所示，中央控制器能将接收到的压力信号与预先存入其内的设定压力进行比较，中央控制器控制吸排装置的动力系统开启或停止。由于CYYZ51平模型压力变送器输出的是485信号，需要对该信号进行变换，这是一种标准变换。图1即为压力传感器的485变换电气图，经过变换后的结构与单片机上对应的接头进行连接即可，也就是图1中的485_RX、485_CON、485_TX接口与图3中单片机上的485_RX、485_CON、485_TX对应相连。单片机是通过继电器来控制电机的，这也是一种常规的控制方式，图4即为控制电路，其中的电机端子分别与电机的正负极连接，其Relay_Z与Relay_F的控制信号分别与单片机的Relay_Z与Relay_F端口相连，而单片机的功能则通过编程来实现，让其具有将接收到的压力信号与预先存入其内的设定压力进行比较，根据结果控制吸排装置的动力系统开启或停止。当单片机接收到压力大于其内设的压力时，控制吸排装置的动力系统开启，反之控制吸排装置的动力系统停止。
一种轴承废油脂自动收集系统的实施例2，在图2中，本实施例与实施例1的区别在于：设置在轴承结构的润滑空间内的是压力开关，在压力开关内部设置有设定压力，当压力开关检测到的润滑空间内的压力达到其内的设定压力时，压力开关输出触发信号给中央控制器，中央控制器控制吸排装置的动力系统开启，在压力开关检测到的润滑空间内的压力小于其内的设定压力时，压力开关停止输出触发信号，中央控制器控制吸排装置的动力系统停止。其中，压力传感器的电路图如图2所述，其端口OILMEASU、OILLEVEL、OILPRESS、AIRPRESS分别与图3中单片机的对应端口相连接，单片机同样是通过继电器来控制电机的，如图4所示，其中的电机端子分别与电机的正负极连接，其Relay_Z与 Relay_F的控制信号分别与单片机的Relay_Z与Relay_F端口相连，而单片机的功能也通过编程来实现的。
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4，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收集装置上可连接上油脂检测装置，油脂检测装置是一种在线的油脂检测系统，检测参数包括油脂的杂质含量、铁等金属元素含量，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。
一种轴承的自动换脂系统的实施例1，在图1、图3以及图6中，轴承的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均与润滑空间导通。进油口4是均匀设置在轴承结构上的，在相邻的两个进油口4之间设置有出油口5或者呼吸口3，处在一个进油口4两侧的一个是出油口5，另一个是呼吸口3。在呼吸口3上设置有空气过滤装置以及油脂收集瓶6。
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的出油口连接有分配器20，分配器20的各个出口分别与进油口相连，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7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，在吸脂器的排油口和废油储存装置还间串设有过滤装置，因为转换口的存在，过滤装置是直接设置在转换口与废油储存装置之间的。过滤装置用于在线观察 废油脂内的杂质含量，也就是在过滤装置上可连接上油脂检测装置，油脂检测装置是一种在线的油脂检测系统，检测参数包括油脂的杂质含量、铁等金属元素含量，为一种现有技术。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上开设与活塞配合的进出油口21。而液压油缸的动力泵是独立的，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。如图2，液压油缸与动力泵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。
在轴承结构的润滑空间内还设有压力传感器，如图1所述，该压力传感器为CYYZ51平模型压力变送器，压力传感器会将检测到的压力信号传递给中央控制器，这里的中央控制器为单片机，如图3所示，中央控制器能将接收到的压力信号与预先存入其内的设定压力进行比较，中央控制器控制吸排装置的动力系统开启或停止。由于CYYZ51平模型压力变送器输出的是485信号主控系统，需要对该信号进行变换，这是一种标准变换。图1即为压力传感器的485信号变换电气图，经过变换后的结构与单片机上对应的接头进行连接即可，也就是图1中的485_RX、485_CON、485_TX信号与图3中单片机上的485_RX、485_CON、485_TX对应相连。单片机是通过继电器来控制电机的，这也是一种常规的控制方式，图4即为控制电路，其中的电机端子分别与电机的正负极连接，其Relay_Z与Relay_F信号分别与单片机的Relay_Z与Relay_F端口相连，而单片机的功能则通过编程来实现，让其具有将接收到的压力信号与预先存入其内的设定压力进行比较，根据结构控制吸排装置的动力系统开启或停止的功能。当单片机接收到压力大于其内设的压力时，控制吸排装置的动力系统开启，反之控制吸排装置的动力系统停止。
一种轴承的自动换脂系统的实施例2，在图2中，本实施例与轴承的自动换脂系统的实施例1的区别在于：设置在轴承结构的润滑空间内的是压力开关，在压力开关内部设置有设定压力，当压力开关检测到的润滑空间内的压力达到其内的设定压力时，压力开关输出触发信号给中央控制器，中央控制器控制吸排装置的动力系统开启，在压力开关检测到的润滑空间内的压力小于其内的设定压力时，压力开关停止输出触发信号，中央控制器控制吸排装置的动力系统停止。其中，压力传感器的电路图如图2所述，其端口OILMEASU、OILLEVEL、OILPRESS、AIRPRESS分别与图3中单片机的对应端口相连接，单片机同样是通过继电器来控制电机的，如图4所示，其中的电机端子分别与电机的正负极连接，其 Relay_Z与Relay_F信号分别与单片机的Relay_Z与Relay_F端口相连，而单片机的功能也通过编程来实现的。
一种轴承的自动换脂系统的实施例3，在图8中，本实施例与轴承的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。
一种轴承的自动换脂系统的实施例4，本实施例与轴承的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。
一种轴承的自动换脂系统的实施例5，本实施例与轴承的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。
一种轴承的自动换脂系统的实施例6，本实施例与轴承的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。
上述轴承的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。
上述实施例中的废油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，为一种现有技术。
上述实施例中的轴承的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 (6)

  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，轴承结构上开设与润滑空间导通的出油口，出油口上连通设置有吸排装置，其特征在于：所述的轴承废油脂自动收集系统还设置有电控系统，电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置的动力系统、在该压力小于设定压力时停止吸排装置的动力系统。
  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：所述的电控系统包括设置在润滑空间内的压力传感器以及中央控制器，压力传感器将检测到的压力信号传递给中央控制器，中央控制器能将接收到的压力信号与预先存入其内的设定压力进行比较，中央控制器控制吸排装置的动力系统开启或停止。
  3. 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：所述的电控系统包括用于检测润滑空间内的压力的压力开关以及中央控制器，所述设定压力设置在压力开关内，当压力开关检测到的润滑空间内的压力达到其内的设定压力时，压力开关输出触发信号给中央控制器，使其开启动力系统，在压力开关检测到的润滑空间内的压力小于其内的设定压力时，压力开关停止输出触发信号，中央控制器控制吸排装置的动力系统停止。
  4. 一种轴承的自动换脂系统，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，轴承结构上开设与润滑空间导通的进油口、出油口，进油口上连通设置有供油装置，出油口上连通设置有吸排装置，其特征在于：所述的轴承的自动换脂系统还设置有电控系统，电控系统能检测润滑空间中的压力并在该压力大于设定压力时启动吸排装置的动力系统、在该压力小于设定压力时停止吸排装置的动力系统。
  5. 根据权利要求4所述的轴承的自动换脂系统，其特征在于：所述的电控系统包括设置在润滑空间内的压力传感器以及中央控制器，压力传感器将检测到的压力信号传递给中央控制器，中央控制器能将接收到的压力信号与预先存入其内的设定压力进行比较，中央控制器控制吸排装置的动力系统开启或停止。
  6. 根据权利要求4所述的轴承的自动换脂系统，其特征在于：所述的电控系统包括用于检测润滑空间内的压力的压力开关以及中央控制器，所述设定压力设置在压力开关内，当压力开关检测到的润滑空间内的压力达到其内的设定压力时，压力开关输出触发信号给中央控制器，使其开启动力系统，在压力开关检测到的润滑空间内的压力小于其内的设定压力时，压力开关停止输出触发信号，中央控制器控制吸排装置的动力系统 停止。
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