CN115788868A - Micro rolling plate type variable hydraulic pump - Google Patents
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- 238000005096 rolling process Methods 0.000 title claims abstract description 53
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000003921 oil Substances 0.000 abstract description 20
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 208000028659 discharge Diseases 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000010349 pulsation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000520 microinjection Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
本发明属于液压注油泵技术领域，公开了一种微量滚板式变量液压泵的结构及其工作原理。该微量滚板式变量液压泵，包括泵体、传动轴、转子、定子、滚板、调节螺钉；所述泵体内壁对称开有配合滑道，所述定子两端对称设有配合凸台，两者配合实现定子的固定。所述定子上对称开有环形油孔，所述转子上均匀分布四个滚板。所述滚板两端为弧面，在离心力作用下，顶部紧压定子内壁，定子、转子与滚板之间构成密封油腔。密封油腔容积由小变大时为吸油阶段，容积由大变小时为排油阶段。所述泵体上装有一对调节螺钉，所述调节螺钉可以改变定子和转子的偏心距，从而调节密封油腔的大小来改变泵的排量。本发明通过滚板端部弧面设计，与定子内壁形成良好的密封空间，同时减少滚板运行过程中由于振动导致的损坏情况，使油料运输过程中具有高稳定性、高安全可靠性，同时该泵体结构效率高、流量脉动均匀可以很好的满足注油需求。
The invention belongs to the technical field of hydraulic oil injection pumps, and discloses the structure and working principle of a micro rolling plate type variable hydraulic pump. The micro rolling plate type variable hydraulic pump includes a pump body, a transmission shaft, a rotor, a stator, a rolling plate, and an adjusting screw; the inner wall of the pump is symmetrically provided with matching slideways, and the two ends of the stator are symmetrically provided with matching bosses. or cooperate to realize the fixation of the stator. Annular oil holes are symmetrically opened on the stator, and four rolling plates are evenly distributed on the rotor. Both ends of the rolling plate are arc-shaped, and under the action of centrifugal force, the top presses against the inner wall of the stator, and a sealed oil cavity is formed between the stator, the rotor and the rolling plate. When the volume of the sealed oil chamber changes from small to large, it is the oil absorption stage, and when the volume changes from large to small, it is the oil discharge stage. The pump body is equipped with a pair of adjusting screws, which can change the eccentricity of the stator and the rotor, thereby adjusting the size of the sealing oil chamber to change the displacement of the pump. The invention forms a good sealing space with the inner wall of the stator through the arc surface design of the end of the rolling plate, and at the same time reduces the damage caused by the vibration during the operation of the rolling plate, so that the oil has high stability, high safety and reliability during the transportation process, and at the same time The structure of the pump body has high efficiency and uniform flow pulsation, which can well meet the oil injection requirements.
Description
技术领域technical field
本发明属于液压注油泵技术领域，具体为一种微量滚板式变量液压泵及工作原理。The invention belongs to the technical field of hydraulic oil injection pumps, in particular to a micro-volume rolling plate variable hydraulic pump and its working principle.
背景技术Background technique
为了实现润滑、散热、防锈、降噪等目的，需要对例如齿轮组、链轮等传动组件加注润滑油，之前都是采用人工的方式进行操作，尤其对于一些大型设备，需要对局部结构进行拆除后才能够对传动组件加注润滑油，操作繁琐，效率低，鉴于此技术人员提出了一种微量滚板式变量液压泵。In order to achieve lubrication, heat dissipation, rust prevention, noise reduction, etc., it is necessary to add lubricating oil to transmission components such as gear sets and sprockets. Previously, manual operations were used, especially for some large equipment. The lubricating oil can only be added to the transmission assembly after dismantling, which is cumbersome and inefficient. In view of this, the technicians proposed a micro-roller type variable hydraulic pump.
由于液压变量叶片泵在高速运行时，会出现转子抖动的情况，从而导致叶片在抖动时不断与定子内壁碰撞而出现损坏，为了解决现有泵体内部构件磨损严重、噪音大、结构不紧凑的问题，故提出一种新型滚板式变量液压泵的结构来解决上述问题。When the hydraulic variable vane pump is running at high speed, the rotor will vibrate, which will cause the vane to continuously collide with the inner wall of the stator and be damaged. In order to solve the problems of serious wear, loud noise and uncompact structure Therefore, a new structure of rolling plate variable hydraulic pump is proposed to solve the above problems.
发明内容Contents of the invention
针对传统微量液压泵结构复杂、制造要求高的缺点，本发明提供一种微量滚板式变量液压泵，其具有结构新颖、性能可靠的特点。Aiming at the disadvantages of traditional micro-volume hydraulic pumps with complex structure and high manufacturing requirements, the present invention provides a micro-volume rolling plate variable variable hydraulic pump, which has the characteristics of novel structure and reliable performance.
为了解决上述问题，本发明通过以下技术方案予以实现：一种微量滚板式变量液压泵，包括泵体、矩形滑道、定子、转子、调节螺钉、滚板、凸台，所述转子位于定子上开设的偏心孔内，所述定子外侧设置有泵体，所述转子设置在定子内，所述转子的侧壁上设置有四个以转子中心为参照环形对称排列的滚板机构。In order to solve the above problems, the present invention is achieved through the following technical proposals: a micro-volume rolling plate variable hydraulic pump, including a pump body, a rectangular slideway, a stator, a rotor, an adjusting screw, a rolling plate, and a boss, and the rotor is located on the stator In the opened eccentric hole, a pump body is arranged outside the stator, the rotor is arranged inside the stator, and four rolling plate mechanisms arranged symmetrically in a ring with the center of the rotor as a reference are arranged on the side wall of the rotor.
所述滚板机构包括矩形槽孔，所述矩形槽孔呈环形排列在转子的侧壁上，所述滚板机构伸入矩形槽孔内，所述滚板机构两端为弧面，所述弧面的设计旨在于滚板滑动摩擦时最大程度上减少摩擦力，同时可以更好的与定子内壁相抵接，与所述定子的内部偏心孔内壁相切形成密闭空间。The rolling plate mechanism includes rectangular slots arranged in a ring on the side wall of the rotor, the rolling plate mechanism extends into the rectangular slot hole, the two ends of the rolling plate mechanism are arc surfaces, the The arc surface is designed to minimize the frictional force when the rolling plate is sliding and rubbing, and at the same time, it can better abut against the inner wall of the stator, and be tangent to the inner wall of the inner eccentric hole of the stator to form a closed space.
所述泵体内壁两侧对称开有矩形滑道，所述泵体两侧设有左右贯通的中心通孔，所述定子上对称开有环形油孔，所述定子两端对称设有配合凸台，所述凸台伸入矩形滑道，二者实现对定子的固定。The two sides of the inner wall of the pump body are symmetrically opened with rectangular slideways, the two sides of the pump body are provided with a left and right central through hole, the stator is symmetrically opened with annular oil holes, and the two ends of the stator are symmetrically provided with matching protrusions. platform, and the boss extends into the rectangular slideway, and the two realize the fixing of the stator.
所述矩形滑道内部设置有调节螺钉，所述矩形滑道底部安装有碟形弹簧，所述调节螺钉可以改变定子和转子的偏心距，从而调节由定子、转子与滚板之间构成的密封油腔的大小来改变泵的排量，所述碟形弹簧在必要时自动转化为定子移动所需要的附加压缩载荷。Adjusting screws are arranged inside the rectangular slideway, and disc springs are installed at the bottom of the rectangular slideway. The adjusting screw can change the eccentricity of the stator and the rotor, thereby adjusting the seal formed between the stator, the rotor and the rolling plate. The size of the oil chamber is used to change the displacement of the pump, and the disc spring automatically converts the additional compressive load required for the stator to move when necessary.
通过前述技术方案，本发明的有益效果是：Through foregoing technical scheme, beneficial effect of the present invention is:
1.该微量滚板式变量液压泵，提出一种新颖的液压泵结构，将转子放置在定子内偏心孔内固定后，将滚板机构安装在转子侧壁的矩形槽孔内，矩形槽孔对滚板在轴向有限制作用，但在径向没有，在运转时，转子带动滚板在离心力的作用下与定子内壁相抵接，而滚板机构的弧面设计使之与定子内壁相切，有效减少叶片抖动与定子内壁碰撞而导致损坏的情况，并且该泵体结构简单，便于拆卸维修，其滚板加工工艺简单，成本大大降低，经济效益明显提升;1. The micro rolling plate type variable hydraulic pump proposes a novel hydraulic pump structure. After the rotor is fixed in the eccentric hole in the stator, the rolling plate mechanism is installed in the rectangular slot on the side wall of the rotor. The rectangular slot is opposite to the The rolling plate has a limiting effect in the axial direction, but not in the radial direction. During operation, the rotor drives the rolling plate to contact the inner wall of the stator under the action of centrifugal force, and the arc surface design of the rolling plate mechanism makes it tangent to the inner wall of the stator. Effectively reduce the damage caused by blade vibration and collision with the inner wall of the stator, and the structure of the pump body is simple, easy to disassemble and repair, the processing technology of the rolling plate is simple, the cost is greatly reduced, and the economic benefit is obviously improved;
2.该微量滚板式变量液压泵,将定子两侧的矩形凸台对应伸入到泵体内壁开设的矩形滑道内，二者实现对定子的固定，泵体的矩形滑道内设有一对调节螺钉，并在底部安装有一对碟形弹簧，调节螺钉与碟形弹簧配合可以改变定子和转子的偏心距，从而调节由定子、转子与滚板之间构成的密封油腔的大小来改变泵的排量，从而解决人工加注润滑油等微量注油而导致的操作繁琐、效率低的问题，该新型泵体结构使油料输送过程稳定性更高。2. The micro-volume rolling plate variable hydraulic pump extends the rectangular bosses on both sides of the stator into the rectangular slideway set up on the inner wall of the pump, and the two realize the fixing of the stator. A pair of adjustment Screws, and a pair of disc springs are installed at the bottom. The adjustment screw and the disc springs can change the eccentricity of the stator and rotor, thereby adjusting the size of the sealed oil chamber formed between the stator, rotor and rolling plate to change the pump. Displacement, so as to solve the problem of cumbersome operation and low efficiency caused by manual lubricating oil and other micro-injection. The new pump body structure makes the oil delivery process more stable.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.
图1为本发明微量滚板式变量液压泵的整体结构示意图。Fig. 1 is a schematic diagram of the overall structure of the micro-volume rolling plate variable hydraulic pump of the present invention.
图2为本发明内部结构示意图。Fig. 2 is a schematic diagram of the internal structure of the present invention.
图3为本发明泵体结构示意图。Fig. 3 is a schematic diagram of the structure of the pump body of the present invention.
图4为本发明图3中A处的放大图。Fig. 4 is an enlarged view of A in Fig. 3 of the present invention.
图5为本发明定子结构示意图。Fig. 5 is a schematic diagram of the structure of the stator of the present invention.
图6为本发明转子结构示意图。Fig. 6 is a schematic diagram of the structure of the rotor of the present invention.
图7为本发明滚板结构示意图。Fig. 7 is a schematic diagram of the rolling plate structure of the present invention.
图8为本发明主轴结构示意图。Fig. 8 is a schematic diagram of the main shaft structure of the present invention.
图中：01泵体、02矩形滑道、03定子、04转子、05调节螺钉、06滚板、07矩形凸台、08上端盖、09固定螺栓、10调节螺孔、11碟形弹簧、12环形油孔、13键槽、14矩形槽孔、15花键、16主轴。In the figure: 01 pump body, 02 rectangular slideway, 03 stator, 04 rotor, 05 adjusting screw, 06 rolling plate, 07 rectangular boss, 08 upper end cover, 09 fixing bolt, 10 adjusting screw hole, 11 disc spring, 12 Annular oil hole, 13 keyways, 14 rectangular slotted holes, 15 splines, 16 spindles.
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晰、详细地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，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 described clearly and in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
请参阅图1-8，本发明提供一种技术方案：一种微量滚板式变量液压泵，包括泵体(01)、矩形滑道(02)、定子(03)、转子(04)、调节螺钉(05)、滚板(06)、凸台(07)，，定子(03)安装在泵体(01)内，泵体(01)内壁两侧对称开有矩形滑道(02)，并且泵体两侧设有左右贯通的中心通孔，定子(03)上对称开有环形油孔(12)，两端对称设有配合凸台(07)，定子(03)两侧的凸台(07)伸入矩形滑道(02)，二者实现对定子(03)的固定。转子(04)设置在定子(03)内，转子(04)的侧壁上设置有四个以转子(04)中心为参照环形对称排列的滚板机构(06)，滚板机构(06)伸入矩形槽孔(14)内，滚板机构(06)两端为弧面，与定子(03)的内部偏心孔内壁相切形成密闭空间。泵体(01)内侧壁的矩形滑道(02)内部设置有调节螺钉(05)，矩形滑道(02)底部安装有碟形弹簧(11)，调节螺钉(05)可以改变定子(03)和转子(04)的偏心距，从而调节由定子(03)、转子(04)与滚板(06)之间构成的密封油腔的大小来改变泵的排量。Please refer to Figures 1-8, the present invention provides a technical solution: a micro roller type variable hydraulic pump, including a pump body (01), a rectangular slideway (02), a stator (03), a rotor (04), and an adjusting screw (05), rolling plate (06), boss (07), and stator (03) are installed in the pump body (01), and there are rectangular slides (02) symmetrically on both sides of the inner wall of the pump body (01), and the pump The two sides of the body are provided with a central through hole through the left and right, and the stator (03) is symmetrically provided with an annular oil hole (12), and the two ends are symmetrically provided with matching bosses (07), and the bosses (07) on both sides of the stator (03) ) into the rectangular slideway (02), the two realize the fixing of the stator (03). The rotor (04) is arranged in the stator (03), and the side wall of the rotor (04) is provided with four rolling plate mechanisms (06) arranged symmetrically in a circle with the center of the rotor (04) as a reference, and the rolling plate mechanisms (06) extend Into the rectangular slotted hole (14), the two ends of the rolling plate mechanism (06) are arc surfaces, which are tangent to the inner wall of the inner eccentric hole of the stator (03) to form a closed space. There is an adjusting screw (05) inside the rectangular slideway (02) on the inner wall of the pump body (01), and a disc spring (11) is installed at the bottom of the rectangular slideway (02). The adjusting screw (05) can change the stator (03) and the eccentricity of the rotor (04), thereby adjusting the size of the sealed oil cavity formed between the stator (03), the rotor (04) and the rolling plate (06) to change the displacement of the pump.
该微量滚板式变量液压泵工作时，将定子(03)放在泵体内固定后，将滚板(06)安装在转子(04)侧壁的矩形槽孔(02)内，主轴(16)驱动转子(04)转动，滚板(06)在离心力作用下，顶部紧压定子(03)内壁，定子(03)、转子(04)与滚板(06)之间构成密封油腔。泵体(01)上装有一对调节螺钉(05)，通过调节螺钉(05)可改变定子(03)和转子(04)的偏心距，从而调节密封油腔的大小来改变泵的排量。滚板机构(06)两端为弧面，弧面的设计旨在于滚板(06)滑动摩擦时最大程度上减少摩擦力，同时可以更好的与定子(03)内壁相抵接，与定子(03)的内部偏心孔内壁相切形成密闭空间。密封油腔容积随着转子(04)转动而变化。密封腔容积由小变大时为吸油阶段，容积由大变小时为排油阶段。调节螺钉(05)通过改变定子(03)和转子(04)的偏心距，实现对密封油腔的大小调节来改变泵的排量，所述碟形弹簧(11)在必要时自动转化为定子(03)移动所需要的附加压缩载荷。When the micro rolling plate type variable hydraulic pump is working, the stator (03) is fixed in the pump body, the rolling plate (06) is installed in the rectangular slot (02) on the side wall of the rotor (04), and the main shaft (16) drives The rotor (04) rotates, and the top of the rolling plate (06) presses against the inner wall of the stator (03) under centrifugal force, and a sealed oil chamber is formed between the stator (03), the rotor (04) and the rolling plate (06). The pump body (01) is equipped with a pair of adjusting screws (05), through which the eccentricity of the stator (03) and the rotor (04) can be changed, thereby adjusting the size of the sealing oil chamber to change the displacement of the pump. The two ends of the rolling plate mechanism (06) are curved surfaces. The design of the curved surface aims to reduce the friction force to the greatest extent when the rolling plate (06) slides and rubs, and at the same time, it can better contact the inner wall of the stator (03), and the stator ( 03) The inner wall of the internal eccentric hole is tangent to form a closed space. The volume of the sealed oil chamber changes with the rotation of the rotor (04). When the volume of the sealing chamber changes from small to large, it is the oil absorption stage, and when the volume changes from large to small, it is the oil discharge stage. The adjusting screw (05) changes the displacement of the pump by changing the eccentricity of the stator (03) and the rotor (04), and the disc spring (11) is automatically converted into a stator when necessary. (03) Additional compressive load required for movement.
尽管己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 the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, Alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
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Citations (6)
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|---|---|---|---|---|
| JPH0530486U (en) * | 1991-09-27 | 1993-04-23 | 豊田工機株式会社 | Variable displacement vane pump device |
| KR20000059664A (en) * | 1999-03-06 | 2000-10-05 | 배상석 | Variable delievery oil pump and variable oil hydraulic motor, infinite variable speed device and stepless transimission using the same |
| US20020119060A1 (en) * | 2001-02-27 | 2002-08-29 | Gentile Anthony J. | Selectively adjustable fixed displacement vane pump |
| US20100139611A1 (en) * | 2007-05-04 | 2010-06-10 | Borgwarner Inc. | Hydraulic pump with variable flow and pressure and improved open-loop electric control |
| CN106870357A (en) * | 2015-12-08 | 2017-06-20 | 福特全球技术公司 | Variable displacement vane pump |
| CN206468530U (en) * | 2017-01-23 | 2017-09-05 | 长城汽车股份有限公司 | Low noise eccentric hoop and displacement-variable oil pump |
-
2022
- 2022-11-23 CN CN202211470071.9A patent/CN115788868A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530486U (en) * | 1991-09-27 | 1993-04-23 | 豊田工機株式会社 | Variable displacement vane pump device |
| KR20000059664A (en) * | 1999-03-06 | 2000-10-05 | 배상석 | Variable delievery oil pump and variable oil hydraulic motor, infinite variable speed device and stepless transimission using the same |
| US20020119060A1 (en) * | 2001-02-27 | 2002-08-29 | Gentile Anthony J. | Selectively adjustable fixed displacement vane pump |
| US20100139611A1 (en) * | 2007-05-04 | 2010-06-10 | Borgwarner Inc. | Hydraulic pump with variable flow and pressure and improved open-loop electric control |
| CN106870357A (en) * | 2015-12-08 | 2017-06-20 | 福特全球技术公司 | Variable displacement vane pump |
| CN206468530U (en) * | 2017-01-23 | 2017-09-05 | 长城汽车股份有限公司 | Low noise eccentric hoop and displacement-variable oil pump |
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