CN202360690U - Transmission device - Google Patents

Transmission device Download PDF

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Publication number
CN202360690U
CN202360690U CN2011204825645U CN201120482564U CN202360690U CN 202360690 U CN202360690 U CN 202360690U CN 2011204825645 U CN2011204825645 U CN 2011204825645U CN 201120482564 U CN201120482564 U CN 201120482564U CN 202360690 U CN202360690 U CN 202360690U
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CN
China
Prior art keywords
belt
follower
transmission
around
wheel
Prior art date
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Active
Application number
CN2011204825645U
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Chinese (zh)
Inventor
徐瑾明
张和清
骆和东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI XINTUO ANALYTICAL INSTRUMENTS CO Ltd
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SHANGHAI XINTUO ANALYTICAL INSTRUMENTS CO Ltd
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Priority to CN2011204825645U priority Critical patent/CN202360690U/en
Application granted granted Critical
Publication of CN202360690U publication Critical patent/CN202360690U/en
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Abstract

The utility model provides a transmission device which comprises a driving wheel and a plurality of driven wheels. The transmission device is characterized by further comprising a belt and a plurality of guide wheels, wherein the belt firstly rounds the driving wheel, then rounds a group of driven wheels and a guide wheel in sequence, and finally rounds back to the driving wheel, the rounding direction of the belt on the driven wheels is opposite to the rounding direction of the belt on the guide wheel, one surface of the belt is rough, and the other surface of the belt is smooth. The transmission device also comprises a fixed pulley and a positioning wheel, wherein after the belt rounds the guide wheel, the belt rounds the fixed pulley and the positioning wheel in sequence, and finally rounds back onto the driving wheel, the rounding direction of the belt on the fixed pulley is same as that of the belt on the driven wheels, and the rounding direction of the belt on the positioning wheel is same as that of the belt on the guide wheel. The transmission device has the beneficial effects that the noise is small, the rotation speed is greatly increased, the service life is improved, and the running cost is reduced.

Description

A kind of transmission device
Technical field
The utility model relates to mechanical combination field, especially a kind of transmission device.
Background technique
Transmission device in the existing machinery is usually used a driving wheel and is driven a plurality of followers and turn round simultaneously, and gear commonly used, chain or connecting rod are connected between driving wheel and follower, but adopt the problem of this kind combination to be: (1) noise is big; Driving wheel and link adopt metal to process more, and the collision contact can produce very big noise during running; (2) can only realize low-speed running because driving wheel and link adopt metal to process more, during running between the parts frictional force big, overall operation speed is low; (3) parts are prone to be worn.
The model utility content
The main purpose of the utility model is to provide a kind of transmission device, can drive a plurality of follower high speed rotating, and has lower operating noise.
For reaching above-mentioned purpose, the technological scheme that the utility model provides is:
A kind of transmission device comprises a driving wheel, a plurality of follower, it is characterized in that, also comprises belt and a plurality of upper saw pulley; Belt is walked around driving wheel, and walks around one group of follower and a upper saw pulley successively; Belt on the follower around to upper saw pulley on belt around on the contrary.The effect of this winding is to guarantee that enough contact lengths are arranged between belt and the follower, makes it to drive the follower rotation.
Said belt surface simultaneously is a roughened surface, and another side is a smooth surface.
Because the one side of belt is a roughened surface, another side is a smooth surface, when the belt on the follower around to upper saw pulley on belt around on the contrary; Mean that follower is different with the face that upper saw pulley contacts with belt simultaneously, when transmission device is worked, both avoided belt slippage like this; Reduced the frictional force of belt and miscellaneous part again; Between driving force and frictional force, find balance, make transmission device work the time can guarantee to run up, can avoid occurring the fault that causes because of skidding again.
Further, described transmission device also comprises a static pulley and a positioning wheel, and belt is after walking around upper saw pulley.Walk around static pulley and positioning wheel more successively, rap around on the driving wheel at last; Belt on the static pulley around to follower on belt around to identical, the belt on the positioning wheel around to upper saw pulley on belt around to identical.
Further, the roughened surface of said belt contacts with driving wheel, follower and static pulley surface.Its effect is in order to prevent belt slippage.
Further, the smooth surface of said belt contacts with upper saw pulley, positioning wheel.Its effect is in order to reduce the frictional force between belt and upper saw pulley and the positioning wheel, to guarantee that transmission device can run up.
Further, said transmission device comprises three groups of followers and two upper saw pulleys.
The follower number that said one group of follower comprises is two.
Further, said follower is toothed belt wheel.
Said belt is 1/8 to 1/2 of a follower girth with the belt length that contacts of each follower.If belt and follower to contact belt length excessive, resistance is too big between the two during work, not only power consumption, also easy abrasion parts; If the contact belt length too small, be with motionless follower again, when the contact belt length be the follower girth 1/8 to 1/2 the time proper.
Said belt is 1/2 to 3/4 of a upper saw pulley girth with the belt length that contacts of each upper saw pulley.If belt and upper saw pulley to contact belt length excessive, resistance is too big between the two during work, not only power consumption, also easy abrasion parts; If the contact belt length too small, be with motionless upper saw pulley again, when the contact belt length be the upper saw pulley girth 1/2 to 3/4 the time proper.
Said transmission device can comprise many group followers and a plurality of upper saw pulley, and belt is walked around driving wheel earlier, then walks around first group of follower and first upper saw pulley; Walk around second group of follower and second upper saw pulley again; So repeatedly, after belt is walked around last group follower, rap around on the driving wheel again.
In sum, the beneficial effect of the utility model is:
(1) noise is little, owing to change the link between driving wheel into belt by the chain of metal quality, connecting rod etc., the noise that produces when greatly reducing running;
(2) rotating speed improves greatly, adopts belt as link, has reduced the frictional force between link and driving wheel, and rotating speed can be increased to 6000 to 7000 rev/mins;
(3) because the frictional force between belt and driving wheel is little, driving wheel is difficult for being worn, and has prolonged working life, and has reduced operating cost.
Description of drawings
Fig. 1 is the structural representation of the said device of the utility model.
Among the figure shown in the mark as follows: 1, substrate; 2, driving wheel; 3, follower; 4, belt; 5, upper saw pulley; 6, static pulley; 7, positioning wheel.
Embodiment
This embodiment will combine accompanying drawing to do further explanation.
As shown in Figure 1; A kind of transmission device; Comprise belt 4, driving wheel 2, six followers 3, two upper saw pulleys 5, a static pulley 6 and a positioning wheel 7, during installation, earlier driving wheel 2, follower 3, upper saw pulley 5, static pulley 6 and positioning wheel 7 all are fixed on the substrate 1 with screw; Belt 4 is walked around driving wheel 2 earlier, then walks around two followers 3, upper saw pulley 5, two followers 3, upper saw pulley 5 and two followers 3 successively, and then walks around a static pulley 6 and a positioning wheel 7.
Wherein, the belt 4 on follower 3 and the static pulley 6 is around to identical, and the belt 4 on upper saw pulley 5 and the positioning wheel 7 is around to identical, and the belt 4 on follower 3 and the upper saw pulley 5 is around on the contrary.The effect of this winding is to guarantee that enough contact lengths are arranged between belt and the follower, makes it to drive the follower rotation.
Said follower 3 is toothed belt wheel.
Said belt 4 surface one sides are coarse, and another side is smooth.
Because the one side of belt 4 is a roughened surface; Another side is a smooth surface, when the belt on the follower 34 around to upper saw pulley 5 on belt 4 around on the contrary, mean that the face that follower 3 and upper saw pulley 5 contact with belt 4 simultaneously is different; Like this when transmission device is worked; Both avoided belt 4 to skid, reduced the frictional force of belt 4 again, between driving force and frictional force, found balance with miscellaneous part; Make transmission device work the time can guarantee to run up, can avoid occurring the fault that causes because of skidding again.
When belt 4, the roughened surface of said belt 4 contacts with driving wheel 2, follower 3 and static pulley 6 surfaces.Its effect is in order to prevent that belt 4 from skidding.
When belt 4, the smooth surface of said belt 4 contacts with upper saw pulley 5, positioning wheel 7.Its effect is in order to reduce the frictional force between belt 4 and upper saw pulley 5 and the positioning wheel 7, to guarantee that transmission device can run up.
Said belt 4 is 1/8 to 1/2 of follower 3 girths with the belt length that contacts of each follower 3.If belt 4 and follower 3 to contact belt length excessive, resistance is too big between the two during work, not only power consumption, also easy abrasion parts; If the contact belt length too small, be with motionless follower 3 again, when the contact belt length be follower 3 girths 1/8 to 1/2 the time proper.
Said belt 4 is 1/2 to 3/4 of upper saw pulley 5 girths with the belt length that contacts of each upper saw pulley 5.If belt 4 and upper saw pulley 5 to contact belt length excessive, resistance is too big between the two during work, not only power consumption, also easy abrasion parts; If the contact belt length too small, be with motionless upper saw pulley 5 again, when the contact belt length be upper saw pulley 5 girths 1/2 to 3/4 the time proper.
Transmission device running speed after the improvement can reach 6000 to 7000 rev/mins.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims (9)

1. a transmission device comprises a driving wheel, a plurality of follower, it is characterized in that, also comprises belt and a plurality of upper saw pulley; Belt is walked around driving wheel, and walks around one group of follower and a upper saw pulley successively; Belt on the follower around to upper saw pulley on belt around on the contrary.
2. transmission device according to claim 1 is characterized in that, the follower number that said one group of follower comprises is two.
3. transmission device according to claim 1 and 2 is characterized in that, said follower is toothed belt wheel.
4. transmission device according to claim 1 is characterized in that, also comprises a static pulley and a positioning wheel, and belt raps around on the driving wheel through walking around static pulley and positioning wheel after walking around upper saw pulley again; Belt on the static pulley around to follower on belt around to identical, the belt on the positioning wheel around to upper saw pulley on belt around to identical.
5. transmission device according to claim 1 is characterized in that, said belt is 1/8 to 1/2 of a follower girth with the belt length that contacts of each follower.
6. transmission device according to claim 1 is characterized in that, said belt is 1/2 to 3/4 of a upper saw pulley girth with the belt length that contacts of each upper saw pulley.
7. transmission device according to claim 1 is characterized in that, said belt surface simultaneously is a roughened surface, and another side is a smooth surface.
8. transmission device according to claim 7 is characterized in that, said driving wheel, follower and static pulley surface all contact with the roughened surface of belt.
9. transmission device according to claim 7 is characterized in that, the smooth surface of said belt contacts with upper saw pulley, positioning wheel.
CN2011204825645U 2011-11-29 2011-11-29 Transmission device Active CN202360690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204825645U CN202360690U (en) 2011-11-29 2011-11-29 Transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204825645U CN202360690U (en) 2011-11-29 2011-11-29 Transmission device

Publications (1)

Publication Number Publication Date
CN202360690U true CN202360690U (en) 2012-08-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204825645U Active CN202360690U (en) 2011-11-29 2011-11-29 Transmission device

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CN (1) CN202360690U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367860A (en) * 2011-11-29 2012-03-07 上海新拓分析仪器科技有限公司 Transmission device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367860A (en) * 2011-11-29 2012-03-07 上海新拓分析仪器科技有限公司 Transmission device

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