Engine belt assembling device and assembling method
阅读说明：本技术 发动机皮带装配装置及装配方法 (Engine belt assembling device and assembling method ) 是由 胡锦送 方刘苗 邹文锐 严国飞 于 2019-12-20 设计创作，主要内容包括：本发明公开了一种发动机皮带装配装置,包括用于套装皮带的皮带支撑轮、设置于皮带支撑轮上且用于在皮带支撑轮与主动带轮同步旋转过程中沿径向将皮带推动至主动带轮上的皮带导向销和设置于皮带支撑轮上且用于对引导皮带移动至主动带轮上的皮带导向轮,主动带轮通过紧固螺栓安装在发动机曲轴上。本发明的发动机皮带装配装置,通过与安装在发动机曲轴上的主动带轮相配合,可以实现轻松省力装配发动机皮带,提高发动机皮带的装配效率。本发明还提供了一种发动机皮带装配方法。(The invention discloses an engine belt assembling device which comprises a belt supporting wheel used for sleeving a belt, a belt guide pin arranged on the belt supporting wheel and used for pushing the belt to a driving belt wheel along a radial direction in the synchronous rotation process of the belt supporting wheel and the driving belt wheel, and a belt guide wheel arranged on the belt supporting wheel and used for guiding the belt to move to the driving belt wheel, wherein the driving belt wheel is arranged on an engine crankshaft through a fastening bolt. The engine belt assembling device disclosed by the invention can realize easy and labor-saving assembly of the engine belt by matching with the driving belt wheel arranged on the engine crankshaft, and the assembly efficiency of the engine belt is improved. The invention also provides an engine belt assembling method.)
1. The engine belt assembling device is characterized by comprising a belt supporting wheel used for sleeving a belt, a belt guide pin arranged on the belt supporting wheel and used for pushing the belt to the driving belt along the radial direction in the synchronous rotation process of the belt supporting wheel and the driving belt wheel, and a belt guide wheel arranged on the belt supporting wheel and used for guiding the belt to move to the driving belt wheel, wherein the driving belt wheel is installed on an engine crankshaft through a fastening bolt.
2. The engine belt assembling apparatus according to claim 1, wherein said belt guide pin is projected toward an outer side of said belt supporting pulley in a radial direction of said belt supporting pulley, and said belt guide pin is provided on an outer circumferential surface of said belt supporting pulley.
3. The engine belt assembling device according to claim 1 or 2, wherein the belt guide wheel is of an arc-shaped structure, the radian of the belt guide wheel is greater than 180 degrees, the belt guide wheel and the belt supporting wheel are coaxially arranged, the belt guide pin is located between two ends of the belt guide wheel, and the belt is located between the belt supporting wheel and the belt guide wheel.
4. The engine belt assembly device of claim 3, wherein the first end of the belt support pulley is chamfered, the first end of the belt support pulley forming a first guide surface for guiding the belt onto the drive pulley.
5. The engine belt assembly device of claim 4, wherein the second end of the belt support pulley is chamfered and the second end of the belt support pulley forms a second guide surface, the belt guide pin being located between the first end and the second end of the belt guide pulley and the belt guide pin being spaced from the first end by a distance greater than the distance from the second end.
6. The engine belt assembling apparatus according to any one of claims 1 to 5, further comprising a center sleeve provided on the belt supporting wheel, wherein one end of the center sleeve is provided with a positioning hole into which the hexagonal head of the fastening bolt is inserted, and the other end of the center sleeve is provided with a mounting hole into which a screwing tool is inserted, and the mounting hole is a square hole.
7. The engine belt assembling apparatus of claim 6, further comprising a positioning block disposed on said belt supporting pulley, a center of said positioning block being provided with a center hole into which said center sleeve is inserted.
8. An engine belt assembling method characterized by using the engine belt assembling apparatus of any one of claims 1 to 7, and comprising the steps of:
s1, sleeving a belt on a belt supporting wheel of the engine belt assembling device;
s2, mounting the engine belt assembling device on the driving belt wheel;
s3, winding the belt on a first driven pulley, a second driven pulley and a third driven pulley of the engine;
s4, rotating the engine belt assembling device, wherein the engine belt assembling device drives the driving belt wheel to synchronously rotate, and the belt is pushed to the driving belt wheel along the radial direction under the combined action of the belt guide pin and the belt guide wheel;
and S5, after the engine belt assembling device rotates for a set angle, the belt is assembled in place, and the engine belt assembling device is taken down.
Technical Field
The invention belongs to the technical field of engine production equipment, and particularly relates to an engine belt assembling device and an engine belt assembling method.
Background
In an engine used for a vehicle, a generator, a water pump, an air conditioner compressor and the like are driven by a belt transmission mechanism, and the belt transmission mechanism is composed of a driving belt wheel arranged on the engine crankshaft, a first driven belt wheel arranged on a main shaft of the generator, a second driven belt wheel arranged on a main shaft of the water pump, a third driven belt wheel arranged on a main shaft of the air conditioner compressor and a belt matched with the driving belt wheel, the first driven belt wheel, the second driven belt wheel and the third driven belt wheel. Because the belt is the tensioning cooperation, no matter be the assembly belt of host computer factory or after sales maintenance change belt, all carry out manual assembly belt by the manual work, the assembly belt need pull hard, pull with the pliers centre gripping even, hard dress hard, inefficiency, and damage the belt easily, even press from both sides and hinder or stab the finger.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an engine belt assembling device, and aims to improve the assembling efficiency of an engine belt.
In order to achieve the purpose, the invention adopts the technical scheme that: the engine belt assembling device comprises a belt supporting wheel used for sleeving a belt, a belt guide pin arranged on the belt supporting wheel and used for pushing the belt to the driving belt along the radial direction in the synchronous rotation process of the belt supporting wheel and the driving belt wheel, and a belt guide wheel arranged on the belt supporting wheel and used for guiding the belt to move to the driving belt wheel, wherein the driving belt wheel is arranged on an engine crankshaft through a fastening bolt.
The belt guide pin is along the radial direction of belt supporting wheel stretches out towards the outside of belt supporting wheel, and the belt guide pin sets up on the outer disc of belt supporting wheel.
The belt guide wheel is of a circular arc-shaped structure, the radian of the belt guide wheel is larger than 180 degrees, the belt guide wheel and the belt supporting wheel are coaxially arranged, the belt guide pin is located between two ends of the belt guide wheel, and the belt is located between the belt supporting wheel and the belt guide wheel.
The first end of the belt support pulley is chamfered and forms a first guide surface for guiding the belt to the drive pulley.
The second end of the belt supporting wheel is chamfered, the second end of the belt supporting wheel forms a second guide surface, the belt guide pin is positioned between the first end and the second end of the belt guide wheel, and the distance between the belt guide pin and the first end is greater than the distance between the belt guide pin and the second end.
The engine belt assembling device further comprises a central sleeve arranged on the belt supporting wheel, one end of the central sleeve is provided with a positioning hole for inserting the hexagonal head of the fastening bolt, the other end of the central sleeve is provided with a mounting hole for inserting a screwing tool, and the mounting hole is a square hole.
The engine belt assembling device further comprises a positioning block arranged on the belt supporting wheel, and a center hole into which the center sleeve is inserted is formed in the center of the positioning block.
The invention also provides an engine belt assembling method, which adopts the engine belt assembling device with the structure and comprises the following steps:
s1, sleeving a belt on a belt supporting wheel of the engine belt assembling device;
s2, mounting the engine belt assembling device on the driving belt wheel;
s3, winding the belt on a first driven pulley, a second driven pulley and a third driven pulley of the engine;
s4, rotating the engine belt assembling device, wherein the engine belt assembling device drives the driving belt wheel to synchronously rotate, and the belt is pushed to the driving belt wheel along the radial direction under the combined action of the belt guide pin and the belt guide wheel;
and S5, after the engine belt assembling device rotates for a set angle, the belt is assembled in place, and the engine belt assembling device is taken down.
The engine belt assembling device disclosed by the invention can realize easy and labor-saving assembly of the engine belt by matching with the driving belt wheel arranged on the engine crankshaft, and the assembly efficiency of the engine belt is improved.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of an engine belt assembly apparatus of the present invention;
FIG. 2 is a schematic view of another angle of the belt assembly of the engine of the present invention;
FIG. 3 is a schematic view of the assembly of the belt assembly fixture of the engine and the belt;
FIGS. 4-6 are schematic views of a belt installation process;
labeled as: 1. a belt supporting wheel; 2. a belt guide wheel; 3. a belt guide pin; 4. positioning blocks; 5. a central sleeve; 6. a first guide surface; 7. a second guide surface; 8. a first end portion; 9. a second end portion; 10. a driving pulley; 11. a first driven pulley; 12. a second driven pulley; 13. a third driven pulley; 14. an outer end face; 15. a belt.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in fig. 1 to 6, the present invention provides an engine belt assembling apparatus including a
Specifically, as shown in fig. 1 to 6, the
As shown in fig. 1 to 3, the arc of the
As shown in fig. 1 to 3, the engine belt assembling device of the present invention further includes a
As shown in fig. 1 to 3, the engine belt assembling device of the present invention further includes a
The invention also provides an engine belt assembling method, which adopts the engine belt assembling device with the structure and comprises the following steps:
s1, sleeving a belt on a
s2, mounting the engine belt assembly device on the
s3, winding the belt around the first driven
s4, rotating the engine belt assembly device, which drives the
and S5, after the engine belt assembling device rotates for a set angle, assembling the belt in place, and taking down the engine belt assembling device as shown in figure 6.
As shown in fig. 4 to 6, the driving
As shown in fig. 4, in the above step S2, the engine belt assembling apparatus is mounted on the driving
As shown in fig. 5, in the above step S4, a screwing tool is inserted into the mounting hole of the
As shown in fig. 5, in step S6, after the engine belt assembling apparatus is rotated 360 degrees, the belt is assembled in place and the engine belt assembling apparatus is removed.
Adopt the engine belt assembly quality of above-mentioned structure in the belt assembly process, have following advantage:
1. the belt of the engine is assembled easily and labor-saving, and the labor productivity is improved;
2. the tool structure has no sharp corners and sharp edges, and the belt is not clamped or excessively pulled in the using process, so that the belt is protected;
3. the structure is simple, the cost is low, and the expensive cost of special equipment for assembling the belt is saved;
4. in order to ensure that the tool does not fall off or shake during rotation, a
5. the belt is in the enclosure space of
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
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