CN110005571A - A kind of low heat-emissive Cam-Rotor Vane Motor with circulating cooling oil duct - Google Patents
A kind of low heat-emissive Cam-Rotor Vane Motor with circulating cooling oil duct Download PDFInfo
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- CN110005571A CN110005571A CN201910170652.2A CN201910170652A CN110005571A CN 110005571 A CN110005571 A CN 110005571A CN 201910170652 A CN201910170652 A CN 201910170652A CN 110005571 A CN110005571 A CN 110005571A
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- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 238000005192 partition Methods 0.000 claims abstract description 27
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 description 55
- 239000010720 hydraulic oil Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/30—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F03C2/304—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movements defined in sub-group F03C2/08 or F03C2/22 and relative reciprocation between members
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Abstract
本发明公开了一种具有循环冷却油道的低热辐射凸轮转子叶片马达，包括前轴承座、后轴承座、定子以及隔板，所述定子数量为两个，分别设置在靠近前轴承座和后轴承座的内壁位置，所述隔板设置在两个定子中间位置，所述前轴承座、后轴承座、定子以及隔板上均开设有四个位置对应的螺栓孔，前、后轴承座内的油道以及四个螺栓与后轴承座、定子、隔板及前轴承座上的螺栓孔道间的环形间隙构成了大致涵盖马达表面的冷却油道，通过循环流动的冷却油液带走马达工作时产生的热量，将马达的温度控制在适当的范围内，另外，将螺栓与螺栓孔道之间的环形间隙设置为循环冷却油道的一部分，简化了马达内部凹槽的加工，减小了马达的体积。
The invention discloses a low heat radiation cam rotor blade motor with circulating cooling oil passages, comprising a front bearing seat, a rear bearing seat, a stator and a partition plate. The number of the stators is two, which are respectively arranged near the front bearing seat and the rear The position of the inner wall of the bearing seat, the partition plate is arranged in the middle of the two stators, the front bearing seat, the rear bearing seat, the stator and the partition plate are all provided with bolt holes corresponding to four positions. The oil passage of the motor and the annular gap between the four bolts and the bolt holes on the rear bearing seat, the stator, the partition plate and the front bearing seat constitute a cooling oil passage that roughly covers the surface of the motor, and the circulating cooling oil takes away the work of the motor. In addition, the annular gap between the bolt and the bolt hole is set as part of the circulating cooling oil channel, which simplifies the processing of the internal groove of the motor and reduces the size of the motor. volume of.
Description
技术领域technical field
本发明涉及机械工程技术领域，具体为一种具有循环冷却油道的低热辐射凸轮转子叶片马达。The invention relates to the technical field of mechanical engineering, in particular to a low heat radiation cam rotor blade motor with circulating cooling oil passages.
背景技术Background technique
凸轮转子叶片马达主要由后轴承座、定子、隔板、前端盖及后端盖等组成。凸轮转子叶片马达是叶片马达的一种，具有体积小、结构工艺简单，输出转矩小、瞬时流量脉动小、工作寿命长、转动惯量小、动作灵敏等特点。在对系统伺服性能有较高要求的场合，凸轮转子叶片马达已得到较好的工程应用。The cam rotor vane motor is mainly composed of a rear bearing seat, a stator, a partition, a front end cover and a rear end cover. Cam rotor vane motor is a kind of vane motor, which has the characteristics of small size, simple structure and process, small output torque, small instantaneous flow pulsation, long working life, small moment of inertia, and sensitive action. The cam rotor vane motor has been well used in engineering applications where there is a higher requirement for system servo performance.
凸轮转子叶片马达被广泛应用于液压负载模拟器及飞行仿真转台中。在马达工作时，液压油的泄漏、马达内部的摩擦以及液压油的节流损失均会导致马达温度的升高，从而影响液压伺服系统的工作性能。凸轮转子叶片马达的冷却是决定液压伺服系统性能的关键因素之一。Cam rotor vane motors are widely used in hydraulic load simulators and flight simulation turntables. When the motor is working, the leakage of hydraulic oil, the friction inside the motor and the throttling loss of the hydraulic oil will cause the temperature of the motor to rise, thus affecting the working performance of the hydraulic servo system. The cooling of the cam rotor vane motor is one of the key factors in determining the performance of the hydraulic servo system.
在对现有技术进行检索后发现，中国专利文献号CN106555729A公开(公告)日2017.04.05，公开了一种具有循环冷却油道的摆动马达。它包含后轴承座、定子和前轴承座。其特征在于，后轴承座、定子以及前轴承座上均加工有若干段环形凹槽。所述后轴承座上的一段环形凹槽一端设有进油口，另一端与定子上的一段环形凹槽相通，所述后轴承座上的另一段环形凹槽一端设有回油口，另一端与定子上的另一段环形凹槽相通。所述定子上的环形凹槽分别与前轴承座上的环形凹槽相连通，从而形成整个冷却油的循环回路。其目的是在液压摆动马达内部循环流动冷却油液，带走马达工作时产生的热量，从而降低马达表面的温度。但该技术中的环形凹槽数量较多，加工过程较为复杂。同时由于环形凹槽的存在，增大了马达的体积。After searching the prior art, it was found that Chinese Patent Document No. CN106555729A Publication (Announcement) Date 2017.04.05, discloses a swing motor with a circulating cooling oil passage. It contains the rear bearing housing, stator and front bearing housing. The utility model is characterized in that a plurality of annular grooves are machined on the rear bearing seat, the stator and the front bearing seat. One end of a section of annular groove on the rear bearing seat is provided with an oil inlet, and the other end is communicated with a section of annular groove on the stator. One end communicates with another annular groove on the stator. The annular grooves on the stator are respectively communicated with the annular grooves on the front bearing seat, so as to form a circulating circuit of the entire cooling oil. The purpose is to circulate the cooling oil in the hydraulic swing motor to take away the heat generated when the motor works, thereby reducing the temperature of the motor surface. However, the number of annular grooves in this technology is relatively large, and the processing process is relatively complicated. At the same time, due to the existence of the annular groove, the volume of the motor is increased.
发明内容SUMMARY OF THE INVENTION
本发明针对现有技术存在的不足，在马达原有螺栓孔道的基础上配置冷却油道，通过循环流动的冷却油液带走马达工作时产生的热量，将马达的温度控制在适当的范围内，与现有技术相比，本发明马达内的冷却油道在保证冷却效果的前提下具有加工简单的特点。Aiming at the shortcomings of the prior art, the invention configures cooling oil passages on the basis of the original bolt holes of the motor, and takes away the heat generated when the motor works through the circulating cooling oil, so as to control the temperature of the motor within an appropriate range , compared with the prior art, the cooling oil passage in the motor of the present invention has the characteristics of simple processing under the premise of ensuring the cooling effect.
为实现上述目的，本发明提供如下技术方案：一种具有循环冷却油道的低热辐射凸轮转子叶片马达，包括前轴承座、后轴承座、定子以及隔板，所述定子数量为两个，分别设置在靠近前轴承座和后轴承座的内壁位置，所述隔板设置在两个定子中间位置，所述前轴承座、后轴承座、定子以及隔板上均开设有四个位置对应的螺栓孔，四个螺栓孔内安装螺栓将前轴承座、后轴承座、定子以及隔板进行紧固连接，In order to achieve the above purpose, the present invention provides the following technical solutions: a low heat radiation cam rotor blade motor with a circulating cooling oil passage, including a front bearing seat, a rear bearing seat, a stator and a partition plate, and the number of the stators is two, respectively. It is arranged near the inner wall of the front bearing seat and the rear bearing seat, the partition plate is arranged in the middle of the two stators, and the front bearing seat, the rear bearing seat, the stator and the partition plate are all provided with four bolts corresponding to the positions The mounting bolts in the four bolt holes fasten the front bearing seat, the rear bearing seat, the stator and the partition,
所述前轴承座内部开设有两个水平方向的油道，位于上方的油道将前轴承座上部的两个螺栓孔进行连通，位于下方的油道将前轴承座下部的两个螺栓孔进行连通；The inside of the front bearing seat is provided with two horizontal oil passages, the oil passage at the top connects the two bolt holes on the upper part of the front bearing seat, and the oil passage at the bottom connects the two bolt holes on the lower part of the front bearing seat. connected;
所述后轴承座内部开设有三个竖直方向的油道，其中一个油道将后轴承上两个纵向的螺栓孔进行连通，另外两个油道分别连通于另外的两个螺栓孔，且另外的两个油道末端分别连通于进油口和出油口，其中，进油口和出油口开设在后轴承座的侧面位置；The interior of the rear bearing seat is provided with three vertical oil passages, one of which connects the two longitudinal bolt holes on the rear bearing, the other two oil passages are respectively connected to the other two bolt holes, and the other two are respectively connected to the other two bolt holes. The ends of the two oil passages are respectively connected to the oil inlet and the oil outlet, wherein the oil inlet and the oil outlet are opened on the side of the rear bearing seat;
在所述前轴承座、后轴承座、定子以及隔板的两两接触面上设置有用以防止漏油的密封装置。A sealing device for preventing oil leakage is arranged on the contact surfaces of the front bearing seat, the rear bearing seat, the stator and the partition plate.
进一步的，每个所述油道靠近前轴承座或后轴承座的端部出口位置均安装有螺堵。Further, a screw plug is installed at the position of each of the oil passages near the end outlet of the front bearing seat or the rear bearing seat.
进一步的，所述油道的孔径为8mm，通流面积与螺栓及螺栓孔之间的环形间隙通流面积大致相等。Further, the diameter of the oil passage is 8 mm, and the flow area is approximately equal to the flow area of the annular gap between the bolt and the bolt hole.
进一步的，所述定子两侧各设有深度为1.1mm、直径为25mm的与螺栓孔同心的凹槽，定子与前轴承座、定子与后轴承座以及定子与隔板之间共有16处凹槽，所述密封装置设置在16处凹槽所在的位置。Further, both sides of the stator are provided with grooves concentric with the bolt holes with a depth of 1.1 mm and a diameter of 25 mm. There are 16 grooves between the stator and the front bearing seat, the stator and the rear bearing seat, and the stator and the partition plate. groove, the sealing device is arranged at the position where the groove is located at 16.
进一步的，所述密封装置为O型密封圈。Further, the sealing device is an O-ring.
进一步的，所述前轴承座的外端固定安装有前端盖，所述后轴承座的外端固定安装有后端盖，所述前轴承座内安装有前轴承，所述后轴承座内安装有后轴承。Further, a front end cover is fixedly installed on the outer end of the front bearing seat, a rear end cover is fixedly installed on the outer end of the rear bearing seat, a front bearing is installed in the front bearing seat, and a rear bearing seat is installed in the rear bearing seat. There are rear bearings.
进一步的，所述前轴承与后轴承同心，且前轴承与后轴承中心位置安装有主轴，所述主轴的外径处固定连接有两个凸轮和四个叶片，两个凸轮的径向垂直。Further, the front bearing and the rear bearing are concentric, and a main shaft is installed at the center of the front bearing and the rear bearing, and two cams and four blades are fixedly connected to the outer diameter of the main shaft, and the radial directions of the two cams are vertical.
与现有技术相比，本发明的有益效果是：前、后轴承座内的油道以及四个螺栓与后轴承座、定子、隔板及前轴承座上的螺栓孔道间的环形间隙构成了大致涵盖马达表面的冷却油道，通过循环流动的冷却油液带走马达工作时产生的热量，将马达的温度控制在适当的范围内，另外，将螺栓与螺栓孔道之间的环形间隙设置为循环冷却油道的一部分，简化了马达内部凹槽的加工，减小了马达的体积。Compared with the prior art, the beneficial effect of the present invention is that: the oil passages in the front and rear bearing seats and the annular gap between the four bolts and the bolt holes on the rear bearing seat, the stator, the partition plate and the front bearing seat constitute an annular gap. The cooling oil passage roughly covers the surface of the motor, the heat generated by the motor is taken away by the circulating cooling oil, and the temperature of the motor is controlled within an appropriate range. In addition, the annular gap between the bolt and the bolt hole is set to A part of the circulating cooling oil passage simplifies the machining of the inner groove of the motor and reduces the volume of the motor.
附图说明Description of drawings
图1为本发明凸轮转子叶片马达的剖视图；1 is a cross-sectional view of a cam rotor vane motor of the present invention;
图2为本发明马达装配体在后轴承座端面处的剖视图；2 is a cross-sectional view of the motor assembly of the present invention at the end face of the rear bearing seat;
图3为本发明马达装配体在后轴承座端面处右上角处的局部放大图；3 is a partial enlarged view of the motor assembly of the present invention at the upper right corner of the end face of the rear bearing seat;
图4为本发明后轴承座的横截面示意图；4 is a schematic cross-sectional view of the rear bearing seat of the present invention;
图5为本发明前轴承座的横截面示意图；5 is a schematic cross-sectional view of the front bearing seat of the present invention;
图6为本发明冷却液压油在冷却油道内的循环示意图。FIG. 6 is a schematic diagram of the circulation of the cooling hydraulic oil in the cooling oil passage according to the present invention.
图中：1、螺堵；2、后端盖；3、后密封垫压板；4、螺钉；5、后轴承；6、油道；7、O型密封圈；8、后轴承座；9、左凸轮；10、定子；11、进油口；12、隔板；13、右凸轮；14、出油口；15、前轴承座；16、螺栓；17、前轴承；18、前密封垫压板；19、前端盖；20、主轴；21、叶片；22、平键。In the figure: 1, screw plug; 2, rear end cover; 3, rear gasket pressure plate; 4, screw; 5, rear bearing; 6, oil passage; 7, O-ring; 8, rear bearing seat; 9, Left cam; 10, stator; 11, oil inlet; 12, partition plate; 13, right cam; 14, oil outlet; 15, front bearing seat; 16, bolt; 17, front bearing; 18, front gasket pressure plate ; 19, front end cover; 20, main shaft; 21, blade; 22, flat key.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
参阅图1-5，本发明提供一种技术方案：一种具有循环冷却油道的低热辐射凸轮转子叶片马达，包括前轴承座15、后轴承座8、定子10以及隔板12，所述定子10数量为两个，分别设置在靠近前轴承座15和后轴承座8的内壁位置，所述隔板12设置在两个定子10中间位置，所述前轴承座15、后轴承座8、定子10以及隔板12上均开设有四个位置对应的螺栓孔，四个螺栓孔内安装螺栓16将前轴承座15、后轴承座8、定子10以及隔板12进行紧固连接，1-5, the present invention provides a technical solution: a low heat radiation cam rotor blade motor with circulating cooling oil passages, including a front bearing seat 15, a rear bearing seat 8, a stator 10 and a partition 12, the stator The number of 10 is two, which are respectively arranged near the inner wall of the front bearing seat 15 and the rear bearing seat 8, the partition plate 12 is arranged in the middle of the two stators 10, the front bearing seat 15, the rear bearing seat 8, the stator 10 and the partition plate 12 are provided with four bolt holes corresponding to the positions, and the mounting bolts 16 in the four bolt holes fasten the front bearing seat 15, the rear bearing seat 8, the stator 10 and the partition plate 12 for connection,
所述前轴承座15内部开设有两个水平方向的油道6，位于上方的油道6将前轴承座15上部的两个螺栓孔进行连通，位于下方的油道6将前轴承座15下部的两个螺栓孔进行连通；The front bearing seat 15 is provided with two horizontal oil passages 6 . The oil passage 6 at the top connects the two bolt holes on the upper part of the front bearing seat 15 , and the oil passage 6 at the bottom connects the lower part of the front bearing seat 15 . The two bolt holes are connected;
所述后轴承座8内部开设有三个竖直方向的油道6，其中一个油道6将后轴承5上两个纵向的螺栓孔进行连通，另外两个油道6分别连通于另外的两个螺栓孔，且另外的两个油道6末端分别连通于进油口11和出油口14，其中，进油口11和出油口14开设在后轴承座8的侧面位置；The rear bearing seat 8 is provided with three vertical oil passages 6, wherein one oil passage 6 connects the two longitudinal bolt holes on the rear bearing 5, and the other two oil passages 6 are respectively connected to the other two. bolt holes, and the ends of the other two oil passages 6 are respectively connected to the oil inlet port 11 and the oil outlet port 14, wherein the oil inlet port 11 and the oil outlet port 14 are opened at the side positions of the rear bearing seat 8;
在所述前轴承座15、后轴承座8、定子10以及隔板12的两两接触面上设置有用以防止漏油的密封装置。Sealing devices for preventing oil leakage are provided on the contact surfaces of the front bearing seat 15 , the rear bearing seat 8 , the stator 10 and the partition plate 12 .
进一步的，每个所述油道6靠近前轴承座15或后轴承座8的端部出口位置均安装有螺堵1。Further, a screw plug 1 is installed at the position of each of the oil passages 6 near the end outlet of the front bearing seat 15 or the rear bearing seat 8 .
进一步的，所述油道6的孔径为8mm，通流面积与螺栓16及螺栓孔之间的环形间隙通流面积大致相等，这样是能够保证冷却液压油的顺利流通。Further, the diameter of the oil passage 6 is 8 mm, and the flow area is approximately equal to the flow area of the annular gap between the bolts 16 and the bolt holes, which can ensure the smooth circulation of the cooling hydraulic oil.
进一步的，所述定子10两侧各设有深度为1.1mm、直径为25mm的与螺栓孔同心的凹槽，定子10与前轴承座15、定子10与后轴承座8以及定子10与隔板12之间共有16处凹槽，所述密封装置设置在16处凹槽所在的位置，所述密封装置为O型密封圈7，用以避免冷却液压油相马达中心流动，影响马达的正常工作。Further, both sides of the stator 10 are provided with grooves concentric with the bolt holes with a depth of 1.1 mm and a diameter of 25 mm. There are 16 grooves between 12 and 12, and the sealing device is arranged at the position where the grooves are located. The sealing device is an O-ring 7 to prevent the cooling hydraulic oil from flowing in the center of the motor and affecting the normal operation of the motor. .
进一步的，所述前轴承座15的外端固定安装有前端盖19，前端盖19上通过螺钉4安装有前密封垫压板18，所述后轴承座8的外端固定安装有后端盖2，后端盖2上通过螺钉4安装有后密封垫压板3，所述前轴承座15内安装有前轴承17，所述后轴承座8内安装有后轴承5，所述前轴承17与后轴承5同心，且前轴承17与后轴承5中心位置安装有主轴20，所述主轴20的外径处固定连接有两个凸轮和四个叶片21，两个凸轮分别为左凸轮9和右凸轮13，两个凸轮通过平键22连接在主轴20上，两个凸轮的径向垂直。Further, a front end cover 19 is fixedly installed on the outer end of the front bearing seat 15 , a front gasket pressing plate 18 is installed on the front end cover 19 through screws 4 , and a rear end cover 2 is fixedly installed on the outer end of the rear bearing seat 8 . , the rear end cover 2 is installed with the rear gasket pressing plate 3 through the screws 4, the front bearing 17 is installed in the front bearing seat 15, the rear bearing 5 is installed in the rear bearing seat 8, and the front bearing 17 is connected with the rear The bearing 5 is concentric, and a main shaft 20 is installed at the center of the front bearing 17 and the rear bearing 5. The outer diameter of the main shaft 20 is fixedly connected with two cams and four blades 21, and the two cams are the left cam 9 and the right cam respectively. 13. The two cams are connected to the main shaft 20 through the flat key 22, and the radial directions of the two cams are vertical.
如图6所示，工作原理为：冷却液压油在马达内部冷却油道6中流动方向依次如下：冷却液压油从后轴承座8侧面的进油口11进入后轴承座8的油道6，随后由后轴承座8上螺栓孔和螺栓16之间的环形间隙依次流经定子10、隔板12至前轴承座15上的螺栓孔和螺栓16之间的环形间隙(①至②至③)；As shown in FIG. 6 , the working principle is: the flow direction of the cooling hydraulic oil in the cooling oil passage 6 inside the motor is as follows: the cooling hydraulic oil enters the oil passage 6 of the rear bearing seat 8 from the oil inlet 11 on the side of the rear bearing seat 8, Then, the annular gap between the bolt holes on the rear bearing seat 8 and the bolts 16 flows through the stator 10, the partition plate 12 and the annular gap between the bolt holes on the front bearing seat 15 and the bolts 16 in sequence (① to ② to ③) ;
冷却液压油经由前轴承座15上油道6进入前轴承座15上另外一个螺栓孔和螺栓16间的环形间隙，随后依次流经定子10、隔板12至后轴承座8上的螺栓孔和螺栓16之间的环形间隙(④至⑤)；The cooling hydraulic oil enters another bolt hole on the front bearing seat 15 and the annular gap between the bolts 16 through the upper oil passage 6 of the front bearing seat 15, and then flows through the stator 10, the partition plate 12 to the bolt hole on the rear bearing seat 8 and The annular gap (④ to ⑤) between the bolts 16;
同样地，冷却液压油从后轴承座8的油道6进入后轴承座8上螺栓孔和螺栓16间的环形间隙，随后依次流经定子10、隔板12至前轴承座15上的螺栓孔和螺栓16之间的环形间隙(⑥至⑦)；Similarly, the cooling hydraulic oil enters the annular gap between the bolt holes on the rear bearing seat 8 and the bolts 16 from the oil passage 6 of the rear bearing seat 8 , and then flows through the stator 10 , the partition plate 12 and the bolt holes on the front bearing seat 15 in sequence. and the annular gap (⑥ to ⑦) between the bolt 16;
冷却液压油经由前轴承座15上油道6进入前轴承座15上螺栓孔和螺栓16间的环形间隙，随后依次流经定子10、隔板12至后轴承座8上的螺栓孔和螺栓16之间的环形间隙(⑧至⑨)；The cooling hydraulic oil enters the annular gap between the bolt holes on the front bearing seat 15 and the bolts 16 through the oil passage 6 on the front bearing seat 15, and then flows through the stator 10, the partition plate 12 to the bolt holes and the bolts 16 on the rear bearing seat 8 in sequence. The annular gap between (⑧ to ⑨);
冷却液压油流入后轴承座8的油道6然后经由后轴承座8侧面的出油口14流出(⑩至)。The cooling hydraulic oil flows into the oil passage 6 of the rear bearing seat 8 and then flows out through the oil outlet 14 on the side of the rear bearing seat 8 (⑩ to ).
冷却油道6由后轴承座8、前轴承座15上的油道6和后轴承座8、定子10、隔板12及前轴承座15上的螺栓孔道与螺栓16之间的环形间隙在配合后共同组成，流动方向为 The cooling oil passage 6 is matched by the rear bearing seat 8 , the oil passage 6 on the front bearing seat 15 , the rear bearing seat 8 , the stator 10 , the partition plate 12 and the bolt hole on the front bearing seat 15 , and the annular gap between the bolts 16 . After co-composition, the flow direction is
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
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| CN111022416A (en) * | 2019-12-24 | 2020-04-17 | 上海交通大学 | Swing motor with parallel circulating cooling oil ducts |
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