CN211343901U - Engine belt assembling device - Google Patents
Engine belt assembling device Download PDFInfo
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- CN211343901U CN211343901U CN201922310786.8U CN201922310786U CN211343901U CN 211343901 U CN211343901 U CN 211343901U CN 201922310786 U CN201922310786 U CN 201922310786U CN 211343901 U CN211343901 U CN 211343901U
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Abstract
The utility model discloses an engine belt assembly quality, including the belt supporting wheel that is used for the suit belt, set up on the belt supporting wheel and be used for along radial belt guide pin that promotes the belt to driving pulley with driving pulley synchronous revolution in-process at the belt supporting wheel with driving pulley and set up on the belt supporting wheel and be used for removing the belt leading wheel to driving pulley to the guide belt, driving pulley passes through fastening bolt and installs on engine crankshaft. The utility model discloses an engine belt assembly quality cooperatees through with installing the driving pulley on engine crankshaft, can realize light laborsaving assembly engine belt, improves engine belt's assembly efficiency.
Description
Technical Field
The utility model belongs to the technical field of engine production facility, specifically speaking, the utility model relates to an engine belt assembly quality.
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.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an engine belt assembly quality, the purpose improves the assembly efficiency of engine belt.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: 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 utility model discloses an engine belt assembly quality cooperatees through with installing the driving pulley on engine crankshaft, can realize light laborsaving assembly engine belt, improves engine belt's assembly efficiency.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of an engine belt assembling apparatus of the present invention;
FIG. 2 is a schematic structural view of the belt assembling device of the engine of the present invention at another angle;
FIG. 3 is a schematic view of the assembly of the belt assembly fixture of the engine of the present invention with a 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 the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception 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 utility model provides an engine belt assembly quality, including the belt supporting wheel 1 that is used for the suit belt, set up on belt supporting wheel 1 and be used for along radial belt promotion to the belt guide pin 3 on driving pulley 10 and set up on belt supporting wheel 1 and be used for moving the belt to the belt guide wheel 2 on driving pulley 10 to the synchronous revolution in-process of belt supporting wheel 1 and driving pulley 10, driving pulley 10 passes through fastening bolt and installs on engine crankshaft.
Specifically, as shown in fig. 1 to 6, the belt supporting wheel 1 is circular, the outer circumferential surface of the belt supporting wheel 1 is a cylindrical surface, the belt guide pin 3 extends radially from the belt supporting wheel 1 toward the outer side of the belt supporting wheel 1, the belt guide pin 3 is disposed on the outer circumferential surface of the belt supporting wheel 1, the belt guide pin 3 is cylindrical, the axis of the belt guide pin 3 is perpendicular to the axis of the belt supporting wheel 1, and one end of the belt guide pin 3 is fixedly connected to the belt supporting wheel 1. The radian that belt leading wheel 2 is convex structure and belt leading wheel 2 is greater than 180 degrees, belt supporting wheel 1 and belt leading wheel 2 fixed connection, belt leading wheel 2 and belt supporting wheel 1 are coaxial setting and belt uide pin 3 is located between the both ends of belt leading wheel 2, the diameter of belt leading wheel 2 is greater than the diameter of belt supporting wheel 1 and the diameter of belt leading wheel 2 is greater than the diameter of driving pulley 10, form the holding chamber that holds the belt between belt leading wheel 2 and the belt supporting wheel 1, the belt is located between belt supporting wheel 1 and belt leading wheel 2.
As shown in fig. 1 to 3, the arc of the belt guide pulley 2 is 270 degrees, the belt guide pulley 2 has a first end portion 8 and a second end portion 9, and the first end portion 8 and the second end portion 9 are opposite ends of the belt guide pulley 2 in the arc direction. The first end 8 of the belt support pulley 1 is chamfered and the first end 8 of the belt support pulley 1 forms a first guide surface 6 for guiding the belt to the drive pulley 10. The second end 9 of the belt support pulley 1 is chamfered, the second end 9 of the belt support pulley 1 forms a second guide surface 7, the belt guide pin 3 is located near the second end 9, the belt guide pin 3 is located between the first end 8 and the second end 9 of the belt guide pulley 2 and the distance between the belt guide pin 3 and the first end 8 is greater than the distance between the first end 9 and the second end, and the first guide surface 6 and the second guide surface 7 are symmetrically arranged. Preferably, the first guide surface 6 is an inclined surface extending obliquely, and the extending direction of the first guide surface 6 (i.e., the length direction of the first guide surface 6) forms an acute angle with the axis of the belt guide pulley 2. During belt assembly, the belt guide pulley 2 rotates synchronously with the driving pulley 10, the first guide surface 6 of the belt guide pulley 2 contacts with the belt edge, the first end 8 of the belt guide pulley 2 presses the belt, and the belt is guided to move in the axial direction and enter the driving pulley 10.
As shown in fig. 1 to 3, the engine belt assembling apparatus of the present invention further includes a central sleeve 5 disposed on the belt supporting wheel 1, the central sleeve 5 and the belt supporting wheel 1 are coaxially and fixedly connected, one end of the central sleeve 5 is disposed with a positioning hole for inserting the hexagonal head of the fastening bolt, the positioning hole is a regular hexagonal hole, and is adapted to the hexagonal head of the fastening bolt, the other end of the central sleeve 5 is disposed with a mounting hole for inserting a screwing tool, and the mounting hole is a square hole. In the belt assembling process, a torque is applied to the engine belt assembling device by a screwing tool, so that the engine belt assembling device drives the driving pulley 10 to rotate.
As shown in fig. 1 to 3, the utility model discloses an engine belt assembly quality is still including setting up locating piece 4 on belt supporting wheel 1, and the center department of locating piece 4 sets up and lets central sleeve 5 male centre bore, and locating piece 4 is circular block structure, and locating piece 4 and belt supporting wheel 1 and belt leading wheel 2 are coaxial setting, and the diameter of locating piece 4 is less than the diameter of belt supporting wheel 1.
The assembly method for assembling the engine belt by adopting the engine belt assembly device with the structure comprises the following steps:
s1, sleeving a belt on a belt supporting wheel 1 of the engine belt assembling device, as shown in figure 3;
s2, mounting the engine belt assembly device on the driving pulley 10, as shown in fig. 4;
s3, winding the belt around the first driven pulley 11, the second driven pulley 12, and the third driven pulley 13 of the engine, as shown in fig. 4;
s4, rotating the engine belt assembly device, which drives the driving pulley 10 to rotate synchronously, and under the combined action of the belt guide pin 3 and the belt guide pulley 2, the belt is pushed onto the driving pulley 10 along the radial direction, as shown in fig. 5;
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 pulley 10 is mounted on the crankshaft of the engine, the first driven pulley 11 is mounted on the main shaft of the generator, the second driven pulley 12 is mounted on the main shaft of the water pump, the third driven pulley 13 is mounted on the main shaft of the air conditioner compressor, and the axes of the first driven pulley 11, the second driven pulley 12, and the third driven pulley 13 are parallel to the axis of the driving pulley 10. The height of the first driven pulley 11 is greater than that of the second driven pulley 12, the height of the second driven pulley 12 is greater than that of the driving pulley 10, the height of the driving pulley 10 is greater than that of the third driven pulley 13, the third driven pulley 13 is located right below the second driven pulley 12, the first driven pulley 11 is located between the second driven pulley 12 and the driving pulley 10, and the first driven pulley 11 is located obliquely below the second driven pulley 12.
As shown in fig. 4, in the above step S2, the engine belt assembling apparatus is mounted on the driving pulley 10 such that the hexagonal head of the fastening bolt is inserted into the positioning hole of the center sleeve 5 to make the belt supporting pulley 1 and the driving pulley 10 in a coaxial state, and the belt guide pin 3 is in a state of protruding toward the lower side of the belt supporting pulley 1, and the belt is located inside the belt guide pin 3, that is, the belt is located between the belt guide pin 3 and the driving pulley 10. Then, in step S3, the belt is passed around from below the first driven pulley 11, the belt is passed around from above the second driven pulley 12, and the belt is passed around from below the third driven pulley 13.
As shown in fig. 5, in the above step S4, a screwing tool is inserted into the mounting hole of the center sleeve 5, the center sleeve 5 is rotated clockwise by the screwing tool, the whole engine belt assembling device is rotated clockwise, the engine belt assembling device drives the driving pulley 10 to rotate synchronously, the part of the belt at the third driven pulley 13 is pulled to move to the belt supporting wheel 1, and simultaneously, the belt is gradually pushed to the driving pulley 10 on the inner side in the radial direction by the cooperation of the belt guide pin 3 and the belt guide pulley 2.
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 positioning block 4 is arranged;
5. the belt is in the enclosure space of belt leading wheel 2, belt supporting wheel 1, outer terminal surface, and when the frock rotated, the belt did not exist and outwards deviate from the risk.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (7)
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 of claim 1, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310786.8U CN211343901U (en) | 2019-12-20 | 2019-12-20 | Engine belt assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310786.8U CN211343901U (en) | 2019-12-20 | 2019-12-20 | Engine belt assembling device |
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| Publication Number | Publication Date |
|---|---|
| CN211343901U true CN211343901U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310786.8U Active CN211343901U (en) | 2019-12-20 | 2019-12-20 | Engine belt assembling device |
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| Country | Link |
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| CN (1) | CN211343901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792738A (en) * | 2019-12-20 | 2020-02-14 | 湖北大冶汉龙汽车有限公司 | Engine belt assembling device and assembling method |
-
2019
- 2019-12-20 CN CN201922310786.8U patent/CN211343901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792738A (en) * | 2019-12-20 | 2020-02-14 | 湖北大冶汉龙汽车有限公司 | Engine belt assembling device and assembling method |
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Effective date of registration: 20201202 Granted publication date: 20200825 |
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Date of cancellation: 20231202 Granted publication date: 20200825 |
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Effective date of registration: 20231202 Granted publication date: 20200825 |