CN104976296A - Belt mounting tool - Google Patents
Belt mounting tool Download PDFInfo
- Publication number
- CN104976296A CN104976296A CN201410133501.7A CN201410133501A CN104976296A CN 104976296 A CN104976296 A CN 104976296A CN 201410133501 A CN201410133501 A CN 201410133501A CN 104976296 A CN104976296 A CN 104976296A
- Authority
- CN
- China
- Prior art keywords
- belt
- face
- bearing surface
- eccentric rotary
- installation tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 43
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/24—Equipment for mounting belts, ropes, or chains
Abstract
The invention discloses a belt mounting tool which comprises an eccentric rotation part, a torsion-resistant connecting part, a rotation operation part and a pushing-in part, wherein the eccentric rotation part is provided with a circumferential belt bearing surface, and an axial first end face and an axial second end face that are oppositely arranged; the belt bearing surface is divided into a first belt bearing surface and a second belt bearing surface in the circumferential direction; the torsion-resistant connecting part is fixedly arranged at the first end face; an axis of the torsion-resistant connecting part acts as a rotation axis of the eccentric rotation part; the rotation radiuses of the first belt bearing surface and the second belt bearing surface are less than orequal to the radius of a rim of a belt pulley respectively; the rotation operation part is fixedly arranged at the second end face, and used to be matched with a rotation mounting tool to impel the eccentric rotation part to rotate; the pushing-in part is fixedly arranged at the second belt bearing surface and extends along the circumferential direction of the eccentric rotation part; the pushing-in part is provided with a belt pushing-in surface; the belt pushing-in face faces one side, on which thetorsion-resistant connecting part is arranged, of theeccentric rotation part;and the belt pushing-in face is gradually kept far from the rotation operation part in the axial direction from the eccentric rotation part to the torsion-resistant connecting part. The belt mounting tool solves the problem that the conventional belt mounting tool is relatively complicated in structure.
Description
Technical field
The present invention relates to a kind of belt installation tool.
Background technique
Belt drive unit is a kind of conventional machine power transfer unit, and it comprises multiple (at least two) belt pulley and belt that is over pulleys carried sheathed and that engage with pulley groove.When assembling belt drive unit, belt installation tool need be utilized to be snapped in gradually in pulley groove by belt.
There is multiple belt installation tool in prior art, the U.S. patent documents that the European patent document that such as publication number is EP0831247B1, publication number are US4193310, publication number are that CN1471614A all discloses a kind of belt installation tool.But all can there is following problem in existing belt installation tool: 1) structure is comparatively complicated; 2) in belt installation process, there will be the problem that belt turns up so that belt is deviate from, cause installation efficiency lower; 2) in belt installation process, there will be the problem of belt cross-slot so that the damage of generation belt.
Summary of the invention
The problem to be solved in the present invention is: existing belt installation tool structure is comparatively complicated.
Another problem that the present invention will solve is: there will be the problem that belt turns up so that belt is deviate from when utilizing existing belt installation tool to install belt, cause installation efficiency lower.
The another problem that the present invention will solve is: the problem that there will be belt cross-slot so that the damage of generation belt when utilizing existing belt installation tool to install belt.
For solving the problem, the invention provides a kind of belt installation tool, comprising:
Eccentric rotary portion, axially the first and second end faces that there is circumferential belt bearing surface and be oppositely arranged, described belt bearing surface is circumferentially divided into first, second belt bearing surface;
Be fixedly arranged on described first end face and for realizing the described eccentric rotary portion antitorque joint that be connected antitorque with belt pulley, the axis of described antitorque joint is as the spin axis in described eccentric rotary portion, the turning radius of described first belt bearing surface is less than the radius of rim of pulley, and the turning radius of described second belt bearing surface equals the radius of rim of pulley;
Be fixedly arranged on the rotating operation portion of described second end face, described rotating operation portion is used for coordinating to order about described eccentric rotary portion with rotation setting tool and rotates;
Be fixedly arranged on described second belt bearing surface and extend along described eccentric rotary portion circumference push portion, the described portion of pushing has belt and pushes face, described belt pushes face is provided with described antitorque joint side towards described eccentric rotary portion, described belt push face from described eccentric rotary portion to antitorque joint axial direction on gradually away from described rotating operation portion.
Optionally, the described one end, portion that pushes also extends to described first belt bearing surface along described eccentric rotary portion circumference, from described eccentric rotary portion on the axial direction of antitorque joint, described in the portion of pushing extend to described first belt bearing surface one end than the other end further from described antitorque joint.
Optionally, from described eccentric rotary portion on the axial direction of antitorque joint, the turning radius of described first belt bearing surface increases gradually.
Optionally, also comprise the belt stop part being fixedly arranged on described second end face, described belt stop part stretches out outside described second end face along radially outer direction, described eccentric rotary portion, and there is the press part being positioned at radial outer end, radial along described eccentric rotary portion, at least described with part the first belt bearing surface in described press part is relative.
Optionally, described belt stop part has the fixing part that two are fixedly arranged on described second end face, described fixing part stretches out outside described second end face along radially outer direction, described eccentric rotary portion, and described press part is positioned at the radial outside of two described fixing parts and is fixedly installed with the radial outer end of two described fixing parts.
Optionally, described fixing part is fixedly arranged on described second end face by bolt.
Optionally, two described fixing parts are mutually 90 degree, and described press part is curved.
Optionally, also comprise and be fixedly arranged on described first end face and the guide portion being positioned at described second belt bearing surface radially inner side, described guide portion has from described first end face border to the guide surface extended away from described first end face direction.
Optionally, described antitorque joint is the sleeve that inner peripheral surface is provided with keyway.
Optionally, described rotating operation portion is ratchet carriage.
Compared with prior art, technological scheme of the present invention has the following advantages:
By arranging the eccentric rotary portion be fixedly installed, antitorque joint, rotating operation portion and push portion in belt installation tool, the installation of belt can be realized in the following manner: on the one hand, order about eccentric rotary portion the belt be set on belt bearing surface is progressively opened, until belt opens radius equal rim of pulley radius by coordinating of rotary installation tool and rotating operation portion; On the other hand, ordering about while belt opens, the belt pushing portion pushes face and can laterally be pushed in pulley groove by belt gradually.Compared with existing belt installation tool, the belt installation tool structure in technical solution of the present invention is more simple.
Further, belt installation tool also comprises belt stop part, in the process of installing belt, when eccentric rotary portion turns to the position that belt is supported on the second belt bearing surface, the press part of belt stop part can to turn between two belt pulleys and to press the belt be not set on two belt pulleys, prevent the problem that belt turns up so that belt is deviate from, improve belt installation efficiency.
Further, belt installation tool also comprises the guide portion with guide surface, in the process of installing belt, the belt pushing portion push face progressively promote belt depart from the second belt bearing surface time, belt can slip in pulley groove at leisure via the guide surface of guide portion, prevents the problem that there will be belt cross-slot so that the damage of generation belt in belt installation process.
Accompanying drawing explanation
Fig. 1 is the perspective view of belt installation tool in embodiments of the invention;
Fig. 2 is the projection view looked over from Fig. 1 eccentric rotary portion first end face;
Fig. 3 is the projection view looked over from Fig. 1 eccentric rotary portion belt bearing surface.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, the belt installation tool 100 of the present embodiment comprises eccentric rotary portion 1, antitorque joint 2, rotating operation portion 3 and pushes portion 5.
Axially the first end face S1 and the second end face S2 that eccentric rotary portion 1 has circumferential belt bearing surface and is oppositely arranged, described belt bearing surface is circumferentially divided into the first belt bearing surface S3, the second belt bearing surface S4.
Shown in composition graphs 2 and Fig. 3, antitorque joint 2 is fixedly arranged on the first end face S1 and is connected with the antitorque of belt pulley 6 for realizing eccentric rotary portion 1.The axis of antitorque joint 2 is as the spin axis in eccentric rotary portion 1, and the turning radius of the first belt bearing surface S3 is less than the radius of rim of pulley, and the turning radius of the second belt bearing surface S4 equals the radius of rim of pulley.
In the present embodiment, antitorque joint 2 is provided with the sleeve of keyway for inner peripheral surface, time on the axle this jacket casing being located at belt pulley 6, can to realize between eccentric rotary portion 1 with belt pulley 6 antitorque is connected, and makes eccentric rotary portion 1 and belt pulley 6 can synchronous axial system.In other embodiments, the antitorque joint 2 of other structural type also can be adopted to be connected to realize between eccentric rotary portion 1 with belt pulley 6 antitorque.
Continue shown in composition graphs 2 and Fig. 3, rotating operation portion 3 is fixedly arranged on the second end face S2, and rotates for coordinating to order about eccentric rotary portion 1 with rotation setting tool 4.In the present embodiment, rotating operation portion 3 is ratchet carriage, and rotating setting tool 4 be ratchet wrench, by being embedded by the head of ratchet wrench in the hole of ratchet carriage and rotating ratchet spanner, can order about eccentric rotary portion 1 and belt pulley 6 synchronous axial system.In other embodiments, the rotating operation portion 3 of other structural type and corresponding rotation setting tool 4 also can be adopted to realize the synchronous axial system in eccentric rotary portion 1 and belt pulley 6.
Shown in composition graphs 3, push portion 5 be fixedly arranged on the second belt bearing surface S4 and extend along eccentric rotary portion 1 circumference, push portion 5 there is belt to push face S5, belt pushes face S5 is provided with antitorque joint 2 side towards eccentric rotary portion 1, belt push face S5 from eccentric rotary part 1 to the axial direction of antitorque joint 2 gradually away from rotating operation portion 3.
In the present embodiment, be arranged on two belt pulleys for belt below and illustrate that belt installation tool 100 installs the step of belt.When on the belt pulley that belt need be arranged on three or more, the adjustment adapted can be made to the step of installing belt below.
Shown in composition graphs 1 and Fig. 3, utilize belt installation tool 100 that the step of belt is installed as follows:
By antitorque joint 2, belt installation tool 100 is connected with belt pulley 6 is antitorque, the belt pushing portion 5 pushes face S5 towards belt pulley 6, due to belt push face S5 from eccentric rotary part 1 to the axial direction of antitorque joint 2 gradually away from rotating operation portion 3, therefore belt pushes face S5 can gradually near belt pulley 6 to the axial direction of antitorque joint 2 from eccentric rotary part 1;
One end of belt 7 is set on the first belt bearing surface S3 in eccentric rotary portion 1, the other end is set in the pulley groove of another belt pulley (not shown), because the turning radius of the first belt bearing surface S3 is less than rim of pulley radius, so time belt 7 in relaxed state;
Rotary motion setting tool 4 orders about eccentric rotary portion 1 with belt pulley 6 according to the synchronous axial system of direction shown in arrow A in Fig. 3, the belt 7 be supported on before making on the first belt bearing surface S3 is supported on the second belt bearing surface S4 gradually, because the turning radius of the second belt bearing surface S4 equals rim of pulley radius, therefore, when belt 7 is supported on the second belt bearing surface S4, belt 7 can be opened and is tensioning state, and now the radius that opens of belt 7 also equals rim of pulley radius;
In eccentric rotary portion 1 and belt pulley 6 are according to Fig. 3 while direction synchronous axial system shown in arrow A, the belt pushing portion 5 pushes face S5 can start to move along the end face of belt 7 from distance belt pulley 6 part farthest, and progressively promote belt 7 along the direction B towards belt pulley 6, belt 7 is made to depart from the second belt bearing surface S4 at leisure, when belt push contact with belt 7 near the part of belt pulley 6 in the S5 of face time, the belt 7 of this position departs from the second belt bearing surface S4 completely and is set in pulley groove, along with the progressively increase of eccentric rotary portion 1 rotation angle, in belt 7, increasing part can be set in pulley groove, until belt 7 is set between two belt pulleys completely.
From the above, the technological scheme of the present embodiment has the following advantages: by arranging the eccentric rotary portion be fixedly installed, antitorque joint, rotating operation portion and push portion in belt installation tool, the installation of belt can be realized in the following manner: on the one hand, order about eccentric rotary portion the belt be set on belt bearing surface is progressively opened, until belt opens radius equal rim of pulley radius by coordinating of rotary installation tool and rotating operation portion; On the other hand, ordering about while belt opens, the belt pushing portion pushes face and can laterally be pushed in pulley groove by belt gradually.Compared with existing belt installation tool, the belt installation tool structure in the present embodiment technological scheme is more simple.
In the present embodiment, as shown in Figure 1, push one end, portion 5 and also extend to the first belt bearing surface S3 along eccentric rotary portion 1 circumference, from eccentric rotary part 1 to the axial direction of antitorque joint 2 on, push one end that portion 5 extends to the first belt bearing surface S3 than the other end further from antitorque joint 2.
In the present embodiment, from eccentric rotary part 1 to the axial direction of antitorque joint 2 on, the turning radius of the first belt bearing surface S3 increases gradually, can be limited to the portion of pushing 5 when belt sleeve is located on the first belt bearing surface S3 extends between one end of the first belt bearing surface S3 and the first belt bearing surface S3, and so belt is just not easy to come off from the first belt bearing surface S3.In other embodiments, from eccentric rotary part 1 to the axial direction of antitorque joint 2 on, the turning radius of the first belt bearing surface S3 also can remain unchanged.
In the present embodiment, as shown in Figure 1, belt installation tool 100 also comprises: the belt stop part 8 being fixedly arranged on the second end face S2, belt stop part 8 stretches out outside the second end face S2 along radially outer direction, eccentric rotary portion 1, and there is the press part 81 being positioned at radial outer end, radial along eccentric rotary portion 1, press part 81 is at least relative with part first belt bearing surface S3.So, in the process of installing belt, when eccentric rotary portion 1 turns to the position that belt is supported on the second belt bearing surface S4, the press part 81 of belt stop part 8 can to turn between two belt pulleys and to press the belt be not set on two belt pulleys, prevent the problem that belt turns up so that belt is deviate from, improve belt installation efficiency.
In the present embodiment, belt stop part 8 has the fixing part 82 that two are fixedly arranged on the second end face S2, fixing part 82 stretches out outside the second end face S2 along radially outer direction, eccentric rotary portion 1, press part 81 is positioned at the radial outside of two fixing parts 82 and is fixedly installed with the radial outer end of two fixing parts 82, makes the part in belt stop part 8 between two fixing parts 82 and press part 81 be formed with closed opening (mark).
In the present embodiment, two fixing parts 82 are mutually 90 degree, and press part 81 is curved, make the external frame of belt stop part 8 roughly in fan-shaped.
In the present embodiment, fixing part 82 is fixedly arranged on the second end face S2 by bolt (mark).In other embodiments, fixing part 82 also can be fixedly arranged on the second end face S2 by alternate manner, such as, weld.
In the present embodiment, shown in composition graphs 2 and Fig. 3, belt installation tool 100 also comprises: be fixedly arranged on the first end face S1 and be positioned at the guide portion 9 of the second belt bearing surface S4 radially inner side, guide portion 9 has from the first end face S1 border to the guide surface 91 extended away from the first end face S1 direction, so, the distance between guide surface 91 to antitorque joint 2 axis equals turning radius and the rim of pulley radius of the second belt bearing surface S4.The belt pushing portion 5 push face S5 progressively promote belt depart from the second belt bearing surface S4 time, belt can slip in pulley groove at leisure via the guide surface 91 of guide portion 9, prevents the problem that there will be belt cross-slot so that the damage of generation belt in belt installation process.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (10)
1. a belt installation tool, is characterized in that, comprising:
Eccentric rotary portion, axially the first and second end faces that there is circumferential belt bearing surface and be oppositely arranged, described belt bearing surface is circumferentially divided into first, second belt bearing surface;
Be fixedly arranged on described first end face and for realizing the described eccentric rotary portion antitorque joint that be connected antitorque with belt pulley, the axis of described antitorque joint is as the spin axis in described eccentric rotary portion, the turning radius of described first belt bearing surface is less than the radius of rim of pulley, and the turning radius of described second belt bearing surface equals the radius of rim of pulley;
Be fixedly arranged on the rotating operation portion of described second end face, described rotating operation portion is used for coordinating to order about described eccentric rotary portion with rotation setting tool and rotates;
Be fixedly arranged on described second belt bearing surface and extend along described eccentric rotary portion circumference push portion, the described portion of pushing has belt and pushes face, described belt pushes face is provided with described antitorque joint side towards described eccentric rotary portion, described belt push face from described eccentric rotary portion to antitorque joint axial direction on gradually away from described rotating operation portion.
2. belt installation tool as claimed in claim 1, it is characterized in that, the described one end, portion that pushes also extends to described first belt bearing surface along described eccentric rotary portion circumference, from described eccentric rotary portion on the axial direction of antitorque joint, described in the portion of pushing extend to described first belt bearing surface one end than the other end further from described antitorque joint.
3. belt installation tool as claimed in claim 2, is characterized in that, from described eccentric rotary portion on the axial direction of antitorque joint, the turning radius of described first belt bearing surface increases gradually.
4. belt installation tool as claimed in claim 1, it is characterized in that, also comprise the belt stop part being fixedly arranged on described second end face, described belt stop part stretches out outside described second end face along radially outer direction, described eccentric rotary portion, and there is the press part being positioned at radial outer end, radial along described eccentric rotary portion, at least described with part the first belt bearing surface in described press part is relative.
5. belt installation tool as claimed in claim 4, it is characterized in that, described belt stop part has the fixing part that two are fixedly arranged on described second end face, described fixing part stretches out outside described second end face along radially outer direction, described eccentric rotary portion, and described press part is positioned at the radial outside of two described fixing parts and is fixedly installed with the radial outer end of two described fixing parts.
6. belt installation tool as claimed in claim 5, it is characterized in that, described fixing part is fixedly arranged on described second end face by bolt.
7. belt installation tool as claimed in claim 5, it is characterized in that, two described fixing parts are mutually 90 degree, and described press part is curved.
8. belt installation tool as claimed in claim 1, it is characterized in that, also comprise and be fixedly arranged on described first end face and the guide portion being positioned at described second belt bearing surface radially inner side, described guide portion has from described first end face border to the guide surface extended away from described first end face direction.
9. the belt installation tool as described in any one of claim 1 to 8, is characterized in that, described antitorque joint is the sleeve that inner peripheral surface is provided with keyway.
10. the belt installation tool as described in any one of claim 1 to 8, is characterized in that, described rotating operation portion is ratchet carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133501.7A CN104976296B (en) | 2014-04-03 | 2014-04-03 | Belt installation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133501.7A CN104976296B (en) | 2014-04-03 | 2014-04-03 | Belt installation tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976296A true CN104976296A (en) | 2015-10-14 |
| CN104976296B CN104976296B (en) | 2017-07-25 |
Family
ID=54273105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410133501.7A Expired - Fee Related CN104976296B (en) | 2014-04-03 | 2014-04-03 | Belt installation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104976296B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894694A (en) * | 2019-12-03 | 2021-06-04 | 中国石油天然气股份有限公司 | Belt replacement system and belt replacement method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002036987A1 (en) * | 2000-11-03 | 2002-05-10 | The Gates Corporation | Belt installation tool |
| CN1471614A (en) * | 2000-11-02 | 2004-01-28 | �Ǵĺ�˾ | Belt installation tool |
| CN1751191A (en) * | 2002-03-15 | 2006-03-22 | 盖茨公司 | Belt installation tool |
| EP1862703A1 (en) * | 2006-05-29 | 2007-12-05 | Peugeot Citroën Automobiles S.A. | Device for mounting an elastic belt on a pulley |
| JP4361960B1 (en) * | 2009-01-30 | 2009-11-11 | ゲイツ・ユニッタ・アジア株式会社 | Belt mounting jig |
| CN101852279A (en) * | 2009-03-26 | 2010-10-06 | 三之星机带株式会社 | Belt mounting jig and the belt installation method that uses these anchor clamps |
| CN102947617A (en) * | 2010-06-17 | 2013-02-27 | 阪东化学株式会社 | Belt installation jig |
-
2014
- 2014-04-03 CN CN201410133501.7A patent/CN104976296B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471614A (en) * | 2000-11-02 | 2004-01-28 | �Ǵĺ�˾ | Belt installation tool |
| WO2002036987A1 (en) * | 2000-11-03 | 2002-05-10 | The Gates Corporation | Belt installation tool |
| CN1751191A (en) * | 2002-03-15 | 2006-03-22 | 盖茨公司 | Belt installation tool |
| EP1862703A1 (en) * | 2006-05-29 | 2007-12-05 | Peugeot Citroën Automobiles S.A. | Device for mounting an elastic belt on a pulley |
| JP4361960B1 (en) * | 2009-01-30 | 2009-11-11 | ゲイツ・ユニッタ・アジア株式会社 | Belt mounting jig |
| CN101852279A (en) * | 2009-03-26 | 2010-10-06 | 三之星机带株式会社 | Belt mounting jig and the belt installation method that uses these anchor clamps |
| CN102947617A (en) * | 2010-06-17 | 2013-02-27 | 阪东化学株式会社 | Belt installation jig |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894694A (en) * | 2019-12-03 | 2021-06-04 | 中国石油天然气股份有限公司 | Belt replacement system and belt replacement method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104976296B (en) | 2017-07-25 |
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Granted publication date: 20170725 |