CN206017600U - A kind of stretching wheel assembly - Google Patents
A kind of stretching wheel assembly Download PDFInfo
- Publication number
- CN206017600U CN206017600U CN201620914423.9U CN201620914423U CN206017600U CN 206017600 U CN206017600 U CN 206017600U CN 201620914423 U CN201620914423 U CN 201620914423U CN 206017600 U CN206017600 U CN 206017600U
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- support plate
- wheel assembly
- stretching wheel
- belt pulley
- bolt
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Abstract
This utility model is related to a kind of stretching wheel assembly, including the first belt pulley for being separately mounted on the bottom of the first support plate and the second belt pulley on the bottom of the second support plate, the top of first support plate is fixedly connected with one end of hydraulic push rod by the first bolt, and the other end of the hydraulic push rod is fixedly connected with the top of the rocking arm of the second support plate by the second bolt；First support plate is fixedly connected with one end of support by the first central axle sleeve in the first installing hole on the first support plate, and the other end of the support is fixedly connected with the second support plate by the second central axle sleeve in the second installing hole on the second support plate.The stretching wheel assembly can be born compared with big load.Particularly, it is mounted with hydraulic push rod to alleviate impact of the belt to stretching wheel assembly on the stretching wheel assembly, improves the service life of stretching wheel assembly.
Description
Technical field
This utility model is related to technical field of automobile, more particularly to engine wheel system accessory technical field, specifically
It is to be related to a kind of stretching wheel assembly.
Background technology
Tensioning wheel is the tensioner of V belt translation, can be realized by using fixed or self-regulated tensioning wheel.Tensioning wheel is general
The inner side of slack list is arranged in, so that bend in one direction only received by band；Meanwhile, it is to ensure that small pulley cornerite will not reduce excessively, tensioning
Wheel should be installed close proximity to big belt wheel.During using fixed tensioning wheel, due to life span inner belt elongation and abrasion and start
The different thermal coefficient of expansion of machine fuselage and belt and the change in size that produces so that tensile force is not very in operation process for electromotor
Stable.When the centre-to-centre spacing of band can not be adjusted, can will be with tensioning using tensioning wheel.If tensile force is excessive, driving means are easy
Shorten in noise and belt life is produced；If tensile force is too small, belt is easily skidded, vibrates generation noise, and belt is easy
In corrugation, breakage, so as to the lost of life.Tensioning wheel plays intuitively important in the drive system of automobile engine as can be seen here
Effect.
The Chinese utility model patent of Patent No. ZL201420723305.0 of the applicant's earlier application discloses one
Automatic tensioner is planted, the automatic tensioner is included installed in support（5）On belt pulley（3）, body（2）And spring（1）, propping up
Frame（5）Mounting surface on be fixedly connected with and run through support（5）Sleeve（6）；Sleeve（6）For outwardly hollow-core construction；
In jacket casing（6）Circumference wall on offer axial installation gap（7）, spring（1）It is wrapped in jacket casing（6）Upper and spring（1）
One end be connected to installation gap（7）Interior, the other end is connected to body（2）On the limited mouth that opens up（2.4）Interior.Although the tensioning
Wheel construction advantages of simple, assemble firm, lighter weight, be hardly damaged and belt need not be adjusted manually.But the tensioning wheel is not
It is suitably mounted to large-scale diesel engine unit row and bearing capacity is limited.
Utility model content
For overcoming above-mentioned shortcomings and deficiencies of the prior art, this utility model to provide a kind of stretching wheel assembly, the tensioning
Wheel assembly can be born compared with big load.Particularly, it is mounted with hydraulic push rod to alleviate belt to tensioning wheel on the stretching wheel assembly
The impact of assembly, improves the service life of stretching wheel assembly.
The technical solution of the utility model is for achieving the above object：A kind of stretching wheel assembly, including being separately mounted to
The first belt pulley on the bottom of one support plate and the second belt pulley on the bottom of the second support plate, first support plate
Top is fixedly connected with one end of hydraulic push rod by the first bolt, and the other end of the hydraulic push rod passes through the second bolt and the
It is fixedly connected at the top of the rocking arm of two support plates；First support plate is by first in the first installing hole on the first support plate
Central axle sleeve is fixedly connected with one end of support, and the other end of the support is by the second installing hole on the second support plate
The second interior central axle sleeve is fixedly connected with the second support plate.
Preferably, the rocking arm and the second support plate are integral type structure.
In any of the above-described scheme preferably, the support is semicircular structure.
In any of the above-described scheme preferably, the first axle sleeve, the first axle are installed in first installing hole
It is sleeved on the first central axle sleeve.
In any of the above-described scheme preferably, first belt pulley is installed in rotation on the by the first axle bolt
The bottom of one support plate.
In any of the above-described scheme preferably, the first circular hole is offered in the first centre bore of first belt pulley
Inside groove.
In any of the above-described scheme preferably, the first internal circlip is installed in the first circular hole inside groove.
In any of the above-described scheme preferably, two clutch shaft bearings are installed with first axle bolt, the
One belt pulley is fixedly connected by the rotatable bottom for being arranged on the first support plate of clutch shaft bearing and by the first axle bolt.
In any of the above-described scheme preferably, the second axle sleeve, second axle are installed in second installing hole
It is sleeved on the second central axle sleeve.
In any of the above-described scheme preferably, second belt pulley is installed in rotation on the by the second axle bolt
The bottom of two support plates.
In any of the above-described scheme preferably, the second circular hole is offered in the second centre bore of second belt pulley
Inside groove.
In any of the above-described scheme preferably, the second internal circlip is installed in the second circular hole inside groove.
In any of the above-described scheme preferably, two second bearings are installed with second axle bolt, the
Two belt pulleys are fixedly connected by the rotatable bottom for being arranged on the second support plate of second bearing and by the second axle bolt.
Compared with prior art the utility model has the advantage of：The auto-tensioning wheel assembly has hydraulic push rod component,
The setting of hydraulic push rod greatly alleviates impact of the belt to stretching wheel assembly, improves the service life of stretching wheel assembly.
Description of the drawings
Fig. 1 is the front view according to one preferred embodiment of auto-tensioning wheel assembly of the present utility model.
Fig. 2 is the left view structural representation according to auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model.
Fig. 3 is the right side structural representation according to auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model.
Fig. 4 is according to first in auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model with belt pulley
The cross section structure diagram of plate.
Fig. 5 is according to second in auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model with belt pulley
The cross section structure diagram of plate.
Specific embodiment
Explanation is further elaborated to preferred embodiment of the present utility model below in conjunction with the accompanying drawings；
As Figure 1-5, a kind of stretching wheel assembly, Fig. 1 show the front view structure of the stretching wheel assembly in the present embodiment
Schematic diagram.The stretching wheel assembly includes the first belt pulley 7 being separately mounted on the bottom of the first support plate 2 and installed in second
The second belt pulley 7.1 on the bottom of plate 3.There are on first support plate 2 two size identical engraved structures.The engraved structure subtracts
The little weight of whole tensioning wheel.First belt pulley 7 is installed with by the first axle bolt 9 in the bottom of the first support plate 2.The
One belt pulley 7 is by the 9 rotatable bottom installed in the first support plate 2 of two clutch shaft bearings 11 and the first axle bolt.First axle
Bolt 9 is sequentially passed through the first dust cap 8, the first back-up ring 10, clutch shaft bearing 11 and is fixedly connected with the bottom of the first support plate 2.Second
There are on support plate 3 two size identical engraved structures.The engraved structure equally reduces the weight of whole tensioning wheel.Second
The bottom of support plate 3 is installed with the second belt pulley 7.1 by the second axle bolt 9.1.Second belt pulley 7.1 passes through two second
The 9.1 rotatable bottom installed in the second support plate 3 of bearing 11.1 and the second axle bolt.Second axle bolt 9.1 sequentially passes through
Two dust caps 8.1, the second back-up ring 10.1, second bearing 11.1 are fixedly connected with the bottom of the second support plate 3.
The top of the first support plate 2 has the first installing hole.In first installing hole built with the first axle sleeve 5, described
One axle sleeve set 5 is sleeved on the first central axle sleeve 4.First belt pulley 7 is installed in rotation on by the first axle bolt 9
The bottom of one support plate 2.The first circular hole inside groove is offered in the first centre bore of first belt pulley 7.In the described first circle
First internal circlip 10 is installed in the inside groove of hole.Two clutch shaft bearings 11 are installed with first axle bolt 9,
First belt pulley 7 is connected by the 11 rotatable bottom for being arranged on the first support plate 2 of clutch shaft bearing and by the fixation of the first axle bolt 9
Connect.The top of the second support plate 3 has the second installing hole.Second axle sleeve 5.1 is installed in second installing hole, described second
Axle sleeve 5.1 is sleeved on the second central axle sleeve 4.1.Second belt pulley 7.1 is rotatably mounted by the second axle bolt 9.1
Bottom in the second support plate 3.The second circular hole inside groove is offered in the second centre bore of second belt pulley 7.1.Described
Second internal circlip 10.1 is installed in second circular hole inside groove.Two are installed with second axle bolt 9.1
Second bearing 11.1, the second belt pulley 7.1 and pass through installed in the bottom of the second support plate 3 by second bearing 11.2 is rotatable
Second axle bolt 9.1 is fixedly connected.
The top of first support plate 2 is fixedly connected with one end of hydraulic push rod 6 by the first bolt 12, the hydraulic thrust
The other end of bar 6 is fixedly connected with the top of the rocking arm 13 of the second support plate 3 by the second bolt 12.1；The rocking arm 13 and second
Plate 3 is integral type structure.The rectangular through-hole of engraved structure is offered on rocking arm 13.The setting of through hole reduces stretching wheel assembly
Oeverall quality.First support plate 2 by the first central axle sleeve 4 in the first installing hole on the first support plate 2 with
One end of support 1 is fixedly connected, and the other end of the support 1 is by the in the second installing hole on the second support plate 3
Two central axle sleeves 4.1 are fixedly connected with the second support plate 3.Specifically, first axle sleeve 5, first axle are socketed with the first central axle sleeve 4
Set 5 is contacted with the circumferential inner wall of first installing hole, and the first central axle sleeve 4 is screwed through the first axle sleeve 5 with one end of support 1
It is fixedly connected.It is socketed with the second axle sleeve 5.1 on second central axle sleeve 4.1, the circumference of the second axle sleeve 5.1 and second installing hole
Inwall is contacted, and the second central axle sleeve 4.1 is screwed with the other end of support 1 through the second axle sleeve 5.1 and is fixedly connected.
Embodiment 2：
As Figure 1-5, a kind of stretching wheel assembly, including the first belt being separately mounted on the bottom of the first support plate 2
Wheel 7 and the second belt pulley 7.1 on the bottom of the second support plate 3, the top of first support plate 2 pass through the first bolt 12
It is fixedly connected with one end of hydraulic push rod 6, the other end of the hydraulic push rod 6 is by the second bolt 12.1 and the second support plate 3
It is fixedly connected at the top of rocking arm 13；First support plate 2 is by the first center in the first installing hole on the first support plate 2
Axle sleeve 4 is fixedly connected with one end of support 1, and the other end of the support 1 is by second peace on the second support plate 3
The second central axle sleeve 4.1 in dress hole is fixedly connected with the second support plate 3.
Rocking arm 13 and the second support plate 3 are integral type structure.The support 1 is semicircular plate-form structure.In the described first peace
First axle sleeve 5 is installed in dress hole, the first axle sleeve suit 5 is sleeved on the first central axle sleeve 4.First belt pulley 7
The bottom that first support plate 2 is installed in rotation on by the first axle bolt 9.In the first centre bore of first belt pulley 7
Offer the first circular hole inside groove.The first internal circlip 10 is installed in the first circular hole inside groove.In the first axle
Two clutch shaft bearings 11 are installed with bolt 9, and the first belt pulley 7 is arranged on first by clutch shaft bearing 11 is rotatable
The bottom of plate 2 is simultaneously fixedly connected by the first axle bolt 9.In the present embodiment, clutch shaft bearing 11 is deep groove ball bearing.
Second axle sleeve 5.1 is installed in second installing hole, second axle sleeve 5.1 is sleeved on the second central axle sleeve
4.1 on.Second belt pulley 7.1 is installed in rotation on the bottom of the second support plate 3 by the second axle bolt 9.1.Described
The second circular hole inside groove is offered in second centre bore of the second belt pulley 7.1.Second is provided with the second circular hole inside groove
Internal circlip 10.1.Two second bearings 11.1, the second belt pulley is installed with second axle bolt 9.1
7.1 and are fixedly connected by the second axle bolt 9.1 installed in the bottom of the second support plate 3 by second bearing 11.2 is rotatable.
In the present embodiment, second bearing 11.1 is deep groove ball bearing.
It should be noted that this utility model illustrated embodiment is intended merely to more clearly express this utility model method,
It is not limited to this utility model.Every according to spirit of the present utility model and principle within, any modification for being made, equivalent
Replace, improve etc., should be included within protection domain of the present utility model.Every according to technical spirit pair of the present utility model
Any simple modification made for any of the above embodiments, still falls within the scope of technical solutions of the utility model.
Claims (13)
1. a kind of stretching wheel assembly, including the first belt pulley for being separately mounted on the bottom of the first support plate and installed in second
The second belt pulley on the bottom of plate, it is characterised in that：The top of first support plate is by the first bolt and hydraulic push rod
One end is fixedly connected, and the other end of the hydraulic push rod is fixedly connected with the top of the rocking arm of the second support plate by the second bolt；Institute
State the one end of the first support plate by the first central axle sleeve in the first installing hole on the first support plate with support and fix company
Connect, the other end of the support is by the second central axle sleeve and the second support plate in the second installing hole on the second support plate
It is fixedly connected.
2. stretching wheel assembly as claimed in claim 1, it is characterised in that：The rocking arm and the second support plate are integral type structure.
3. stretching wheel assembly as claimed in claim 1, it is characterised in that：The support is semicircular structure.
4. stretching wheel assembly as claimed in claim 1, it is characterised in that：First axle is installed in first installing hole
Set, first axle sleeve are sleeved on the first central axle sleeve.
5. stretching wheel assembly as claimed in claim 1, it is characterised in that：First belt pulley can be turned by the first axle bolt
Dynamicly installed in the bottom of the first support plate.
6. stretching wheel assembly as claimed in claim 1, it is characterised in that：It is characterized in that：In first belt pulley
The first circular hole inside groove is offered in one centre bore.
7. stretching wheel assembly as claimed in claim 6, it is characterised in that：The first hole is installed in the first circular hole inside groove
Use check ring.
8. stretching wheel assembly as claimed in claim 5, it is characterised in that：Two are installed with first axle bolt
Clutch shaft bearing, the first belt pulley are rotatably installed in the bottom of the first support plate and solid by the first axle bolt by clutch shaft bearing
Fixed connection.
9. stretching wheel assembly as claimed in claim 1, it is characterised in that：The second axle is installed in second installing hole
Set, second axle sleeve are sleeved on the second central axle sleeve.
10. stretching wheel assembly as claimed in claim 1, it is characterised in that：Second belt pulley can by the second axle bolt
It is rotatably mounted at the bottom of the second support plate.
11. stretching wheel assemblies as claimed in claim 1, it is characterised in that：It is characterized in that：In second belt pulley
The second circular hole inside groove is offered in two centre bores.
12. stretching wheel assemblies as claimed in claim 11, it is characterised in that：Second is provided with the second circular hole inside groove
Internal circlip.
13. stretching wheel assemblies as claimed in claim 10, it is characterised in that：Two are installed with second axle bolt
Individual second bearing, the second belt pulley is by second bearing rotatably installed in the bottom of the second support plate and by the second axle bolt
It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620914423.9U CN206017600U (en) | 2016-08-22 | 2016-08-22 | A kind of stretching wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620914423.9U CN206017600U (en) | 2016-08-22 | 2016-08-22 | A kind of stretching wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017600U true CN206017600U (en) | 2017-03-15 |
Family
ID=58249935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620914423.9U Active CN206017600U (en) | 2016-08-22 | 2016-08-22 | A kind of stretching wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017600U (en) |
-
2016
- 2016-08-22 CN CN201620914423.9U patent/CN206017600U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |