CN211449542U - Engine belt assembly fixture - Google Patents
Engine belt assembly fixture Download PDFInfo
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- CN211449542U CN211449542U CN201922312664.2U CN201922312664U CN211449542U CN 211449542 U CN211449542 U CN 211449542U CN 201922312664 U CN201922312664 U CN 201922312664U CN 211449542 U CN211449542 U CN 211449542U
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- belt
- wall surface
- driving pulley
- engine
- guide portion
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- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 2
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an engine belt assembly fixture, including being arranged in bearing the belt in belt assembly process and can fixing the fixed part on driving pulley under the pressure effect that the belt was applyed and being connected and be used for guiding the guide portion of belt cover on driving pulley when driving pulley is rotatory with the fixed part, guide portion lies in driving pulley's the outside, and driving pulley installs on engine crankshaft. The utility model discloses an engine belt assembly fixture cooperatees through with the driving pulley of installing 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 fixture and engine belt assembly 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.
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 fixture, 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 tool comprises a fixing part and a guide part, wherein the fixing part is used for bearing the pressure exerted by a belt in the belt assembling process and can be fixed on a driving belt wheel under the action of the pressure exerted by the belt, the guide part is connected with the fixing part and is used for guiding the belt to be sleeved on the driving belt wheel when the driving belt wheel rotates, the guide part is located on the outer side of the driving belt wheel, and the driving belt wheel is installed on an engine crankshaft.
The fixed part include with the fixed plate that the guide part is connected with set up on the fixed plate and be used for the embedding spacing arch in driving pulley's the slot, the fixed plate has the first outer wall that is used for with the belt contact, this first outer wall be with driving pulley coaxial arc surface and the diameter of first outer wall is greater than driving pulley's external diameter.
The fixed plate is of a circular arc-shaped structure and is coaxial with the driving belt wheel.
The limiting bulge is of an arc-shaped structure and coaxial with the first outer wall surface, and the limiting bulge is arranged on the surface, opposite to the first outer wall surface, of the fixing plate.
The guide portion has a second outer wall surface for contacting the belt and connected to the first outer wall surface, the second outer wall surface being coaxial with the first outer wall surface and having a diameter equal to a diameter of the first outer wall surface.
One end of the guide part is provided with an accommodating groove for embedding the belt, and the accommodating groove is internally provided with a guide surface for guiding the belt to be sleeved on the driving belt wheel when the driving belt wheel rotates.
The accommodating groove is internally provided with a limiting surface used for limiting the belt, and the limiting surface and the guide surface are arranged oppositely.
The guide part is of a hollow structure, the reinforcing rib plates are arranged in the guide part, and the reinforcing rib plates divide the inner cavity of the guide part into a plurality of weight reduction grooves.
The utility model discloses an engine belt assembly fixture cooperatees through with the driving pulley of installing 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 the engine belt assembling tool of the present invention;
FIG. 2 is a schematic bottom structure view of the engine belt assembling tool of the present invention;
FIGS. 3-5 are schematic views of a belt installation process;
labeled as: 1. a fixing plate; 2. a limiting bulge; 3. a first outer wall surface; 4. a guide section; 5. a guide surface; 6. a second outer wall surface; 7. a limiting surface; 8. reinforcing rib plates; 9. an outer end face; 10. a driving pulley; 11. a first driven pulley; 12. a second driven pulley; 13. a third driven pulley; 14. a weight-reducing groove; 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 5, the utility model provides an engine belt assembly fixture, including being used for bearing the pressure that the belt was exerted in the belt assembling process and can fixing the fixed part on driving pulley 10 under the pressure effect that the belt was exerted and being connected with the fixed part and being used for guide belt cover guide portion 4 on driving pulley 10 when driving pulley 10 rotates, guide portion 4 is located driving pulley 10's the outside, and driving pulley 10 installs on engine crankshaft.
Specifically, as shown in fig. 1 to 5, the fixing portion includes a fixing plate 1 connected to the guide portion 4 and a stopper protrusion 2 provided on the fixing plate 1 and fitted into a groove of the driving pulley 10, the fixing plate 1 has a first outer wall surface 3 for contacting the belt, the first outer wall surface 3 is an arc surface coaxial with the driving pulley 10, and a diameter of the first outer wall surface 3 is larger than an outer diameter of the driving pulley 10. The groove of the driving pulley 10 is an annular groove extending along the whole axis on the outer circular surface of the driving pulley 10, the fixing plate 1 is of a circular arc structure, and the fixing plate 1 is coaxial with the driving pulley 10. After installing engine belt assembly fixture on driving pulley 10, fixed plate 1 is located driving pulley 10's top, the bottom surface of fixed plate 1 is the outer disc laminating of arc surface and fixed plate 1's bottom surface and driving pulley 10, spacing 2 embedding grooves on driving pulley 10, realize the axial positioning of engine belt assembly fixture on driving pulley 10, guide portion 4 is located driving pulley 10's the outside, first outer wall 3 is the top surface of fixed plate 1 this moment, the radian of fixed plate 1 is less than 90 degrees.
As shown in fig. 1 and 2, the limiting protrusion 2 is of an arc-shaped structure, the limiting protrusion 2 is coaxial with the first outer wall surface 3, the limiting protrusion 2 is disposed on the surface of the fixing plate 1 opposite to the first outer wall surface 3, the length of the limiting protrusion 2 is the same as that of the fixing plate 1, and two ends of the limiting protrusion 2 in the arc length direction are aligned with two ends of the fixing plate 1 in the arc length direction respectively.
As shown in fig. 1 to 5, the guide portion 4 has a second outer wall surface 6 for contacting the belt and connected to the first outer wall surface 3, the second outer wall surface 6 is coaxial with the first outer wall surface 3, and the diameter of the second outer wall surface 6 is the same as the diameter of the first outer wall surface 3. Guide portion 4 is convex structure, and guide portion 4 and fixed plate 1 are coaxial setting, and the outside diameter of guide portion 4 is the same with the outside diameter size of fixed plate 1, and the inside diameter of guide portion 4 is greater than the inside diameter of fixed plate 1, and the radian of guide portion 4 is greater than the radian of fixed plate 1 and the radian of guide portion 4 is less than 180 degrees, and both ends in the arc length direction of guide portion 4 surpass the both ends in the arc length direction of fixed plate 1 respectively. The second outer wall surface 6 is a top surface of the guide portion 4, and one side edge of the second outer wall surface 6 is connected to one side edge of the first outer wall surface 3. When the belt is installed, in an initial state, as shown in fig. 3, the belt is fitted over the engine belt assembly fixture and the driving pulley 10, and the belt is attached to the first outer wall surface 3 and the second outer wall surface 6.
As shown in fig. 1 to 5, one end of the guide portion 4 is provided with an accommodating groove into which the belt is fitted, and the accommodating groove has a guide surface 5 therein for guiding the belt to be fitted over the driving pulley 10 when the driving pulley 10 rotates. The accommodating groove is provided at one end in the arc length direction of the guide portion 4, and the accommodating groove is a V-shaped groove formed by an end face at one end in the arc length direction of the guide portion 4 beginning to be recessed toward the inside of the guide portion 4. Have in the storage tank and be used for carrying on spacing face 7 to the belt, spacing face 7 and guide face 5 arrange relatively, and the contained angle between spacing face 7 and the guide face 5 is less than 180 degrees, and a side edge of spacing face 7 is connected with a side edge of guide face 5. In the initial state as shown in fig. 3, the upper ends of the limiting surface 7 and the guide surface 5 are connected to one end edge of the second outer wall surface 6, the limiting surface 7 and the guide surface 5 are located below the second outer wall surface 6, the formed accommodating groove is located below the second outer wall surface 6, and the end of the guiding portion 4 where the accommodating groove is located is the end of the guiding portion 4 away from the second driven pulley 12. Through setting up the storage tank, block the belt, do not drop in the messenger belt assembling process. The guide surface 5 is used for guiding a belt which does not enter the driving pulley 10 to gradually sleeve on the driving pulley 10 when the driving pulley 10 drives the engine belt assembly tool to rotate, and the limiting surface 7 is used for limiting the belt in the axial direction, limiting the direction of the belt and preventing the belt from falling out of the accommodating groove.
As shown in fig. 1 and 2, the guide portion 4 has a hollow structure, the reinforcing rib plates 8 are arranged in the guide portion 4, and the reinforcing rib plates 8 divide the inner cavity of the guide portion 4 into a plurality of weight-reducing grooves 14, so that the overall weight of the tool is reduced, the light weight is realized, and the deformation of the hollow part of the tool can be prevented due to the arrangement of the reinforcing rib plates 8.
As shown in fig. 1 and 2, in the present embodiment, one reinforcing rib 8 is provided, the reinforcing rib 8 is located at an intermediate position on the arc length of the guide portion 4, and the reinforcing rib 8 is fixedly connected to two opposite side walls of the guide portion 4.
The engine belt assembling method adopting the structure comprises the following steps:
s1, mounting the engine belt assembly tool on the driving pulley 10, as shown in FIG. 3;
s2, sleeving the belt on the engine belt assembly fixture and the driving pulley 10, and winding the belt around the first driven pulley 11, the second driven pulley 12 and the third driven pulley 13, as shown in fig. 4;
s3, rotating the driving pulley 10, and gradually sleeving the belt on the driving pulley 10 under the guidance of the engine belt assembling tool, as shown in FIG. 5;
and S4, taking down the engine belt assembly tool.
As shown in fig. 3 to 5, 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. 3, in step S1, after the engine belt assembly fixture is mounted on the driving pulley 10, the limiting protrusion 2 is inserted into one groove on the driving pulley 10, the fixing plate 1 is attached to the outer circumferential surface of the driving pulley 10, the fixing plate 1 is located above the driving pulley 10, the guiding portion 4 is located outside the driving pulley 10, and at this time, the first outer wall surface 3 is a top surface of the fixing plate 1, and the second outer wall surface 6 is a top surface of the guiding portion 4.
As shown in fig. 4, in step S2, the belt is fitted around the engine belt assembly fixture and the driving pulley 10, the belt is wound around the lower side of the first driven pulley 11, the belt is wound around the upper side of the second driven pulley 12, the belt is wound around the lower side of the third driven pulley 13, the belt is fitted into the accommodating groove of the guide portion 4, and the belt is bonded to the first outer wall surface 3 and the second outer wall surface 6.
As shown in fig. 5, in the step S3, a socket wrench is sleeved on the central bolt head of the driving pulley 10, the driving pulley 10 is rotated counterclockwise by the socket wrench, when the driving pulley 10 rotates counterclockwise, the engine belt assembling tool rotates synchronously with the driving pulley 10, the engine belt assembling tool pulls the portion of the belt located at the first driven pulley 11 to move to the driving pulley 10, so that the belt is gradually sleeved on the driving pulley 10 under the guidance of the guide surface 5 and the limiting surface 7, and the belt is removed from the second outer wall surface.
As shown in fig. 5, in step S4, when the engine belt assembly fixture rotates to a position below the driving pulley, the engine belt assembly fixture is separated from the belt, and the belt is completely sleeved on the driving pulley, at which time the engine belt assembly fixture can be removed from the driving pulley.
Adopt the engine belt assembly fixture of above-mentioned structure in belt assembling process, have following advantage:
1. the belt tool realizes easy and labor-saving assembly of the engine belt, and improves the labor productivity;
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 belt tool is light and small, low in cost and capable of saving the expensive cost of special belt assembling equipment.
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 (8)
1. The engine belt assembling tool is characterized by comprising a fixing part and a guide part, wherein the fixing part is used for bearing the pressure exerted by a belt in the belt assembling process and can be fixed on a driving belt wheel under the action of the pressure exerted by the belt, the guide part is connected with the fixing part and is used for guiding the belt to be sleeved on the driving belt wheel when the driving belt wheel rotates, the guide part is positioned on the outer side of the driving belt wheel, and the driving belt wheel is installed on an engine crankshaft.
2. The engine belt assembling tool according to claim 1, wherein the fixing portion comprises a fixing plate connected with the guide portion and a limiting protrusion arranged on the fixing plate and used for being embedded into a groove of the driving pulley, the fixing plate is provided with a first outer wall surface used for being in contact with a belt, the first outer wall surface is an arc surface coaxial with the driving pulley, and the diameter of the first outer wall surface is larger than the outer diameter of the driving pulley.
3. The engine belt assembling tool according to claim 2, wherein the fixing plate is of a circular arc-shaped structure and is coaxial with the driving pulley.
4. The engine belt assembling tool according to claim 2, wherein the limiting protrusion is of a circular arc-shaped structure, is coaxial with the first outer wall surface, and is arranged on the surface of the fixing plate opposite to the first outer wall surface.
5. The engine belt assembling tool according to any one of claims 2 to 4, wherein the guide portion has a second outer wall surface for contacting the belt and connected to the first outer wall surface, the second outer wall surface is coaxial with the first outer wall surface, and a diameter of the second outer wall surface is the same as a diameter of the first outer wall surface.
6. The engine belt assembly tooling of claim 5, wherein one end of the guide portion is provided with an accommodating groove for the belt to be inserted, and the accommodating groove has a guide surface therein for guiding the belt to be fitted over the driving pulley when the driving pulley rotates.
7. The engine belt assembly fixture of claim 6, wherein the accommodating groove is provided with a limiting surface for limiting a belt, and the limiting surface is arranged opposite to the guide surface.
8. The engine belt assembling tool according to any one of claims 1 to 4, wherein the guide portion is of a hollow structure, and reinforcing rib plates are arranged inside the guide portion and divide an inner cavity of the guide portion into a plurality of weight reduction grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312664.2U CN211449542U (en) | 2019-12-20 | 2019-12-20 | Engine belt assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312664.2U CN211449542U (en) | 2019-12-20 | 2019-12-20 | Engine belt assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449542U true CN211449542U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922312664.2U Active CN211449542U (en) | 2019-12-20 | 2019-12-20 | Engine belt assembly fixture |
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| Country | Link |
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| CN (1) | CN211449542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977421A (en) * | 2019-12-20 | 2020-04-10 | 湖北大冶汉龙汽车有限公司 | Engine belt assembling tool and engine belt assembling method |
-
2019
- 2019-12-20 CN CN201922312664.2U patent/CN211449542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977421A (en) * | 2019-12-20 | 2020-04-10 | 湖北大冶汉龙汽车有限公司 | Engine belt assembling tool and engine belt assembling method |
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