CN201386764Y - Chain wheel driving device with safety mechanism - Google Patents
Chain wheel driving device with safety mechanism Download PDFInfo
- Publication number
- CN201386764Y CN201386764Y CN200820186167U CN200820186167U CN201386764Y CN 201386764 Y CN201386764 Y CN 201386764Y CN 200820186167 U CN200820186167 U CN 200820186167U CN 200820186167 U CN200820186167 U CN 200820186167U CN 201386764 Y CN201386764 Y CN 201386764Y
- Authority
- CN
- China
- Prior art keywords
- cover plate
- spacer shell
- driven sprocket
- live axle
- chain wheel
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a chain wheel driving device with a safety mechanism. A driving shaft is erected in a rolling bearing seat; a driven chain wheel is fixed on the end of the driving shaft; a transition sleeve is arranged on the end of the driving shaft; the end surface of the transition sleeve facing the driven chain wheel is provided with installing pipes around an installing hole; a safety pin is arranged between the transition sleeve and the driven chain wheel; the end surface of the transition sleeve facing the driven chain wheel is provided with annular grooves around the installing hole; slide holes which pass through the left end surface and the right surface of the transition sleeve and are parallel to the axial line of the installing hole of the transition sleeve are arranged in the annular grooves; slide pins are inserted in the slide holes; the ends of the slide pins are fixedly connected on a cover plate; the end surface of the driven chain wheel facing the slide pins is provided with a plurality of pieces of lugs at intervals; the lugs can smoothly transit the slide pins and the projected parts of the cover plate; the slide pins are embedded in depressed parts between two adjacent lugs; a flexible position limiting device which makes the cover plate to be pasted on the end surface of the transition sleeve is arranged on the driving shaft or the transition sleeve; and a proximity switch which is used for detecting whether the cover plate is propped up or not is arranged outside the cover plate.
Description
Technical field
The utility model relates to a kind of sprocket transmission device, especially a kind of sprocket transmission device with safeguarding mechanism.
Background technique
Existing logistics machinery, it drives drive sprocket, chain by motor and speed reducer, driven sprocket drives logistics equipment and runs well, the just commentaries on classics of drive motor, reverse and stop to control automatically by electric implementation, the work of motor is intermittent, need meet some requirements and just work, the length of operating time also is by electric automatic control, because this equipment is in semi-closed state.When abnormal condition appears in equipment, blocked by foreign matter and shut down such as equipment, and this phenomenon can not directly be found, and will influence the normal use of equipment like this, delayed the time of safeguarding simultaneously.
If equipment is blocked by foreign matter, motor two kinds of situations will occur if carrying out work at this moment, when the shearing of foreign matter (or extruding) Breaking force during less than the power of the final output of motor, foreign matter is with destroyed, and equipment is still in work, and there is potential safety hazard in equipment and can not in time be found at this moment; Another kind of situation is the final ouput force of motor little the time, and equipment can not run well, and motor is blocked, and this moment, overload protection can autostop and with caution, if there is not the overload protection motor to be burnt out, and can not in time find this problem.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of Security improves greatly, the working service cost is lower, avoids delaying maintenance time and cause whole feedway the sprocket transmission device with safeguarding mechanism of potential safety hazard to occur.
The technological scheme that provides according to the utility model, described sprocket transmission device with safeguarding mechanism, be included in the live axle that the installation endoporus of rolling bearing pedestal sets up, the end of live axle is fixed with driven sprocket, be provided with the spacer shell that is socketed in outside the live axle at driveshaft end, spacer shell is fixedlyed connected with live axle by key, on the spacer shell end face of driven sprocket, be provided with mounting pipe around its mounting hole, described driven sprocket promptly is seated on the mounting pipe, between spacer shell and driven sprocket, be provided with safety pin, on the spacer shell end face of driven sprocket, offering annular groove around its mounting hole, in annular groove, offer the left and right sides end face that penetrates spacer shell and with the slide opening of the mounting hole parallel axes of spacer shell, be plugged with sliding pin in the slide opening, the end of sliding pin is on the cover board fixedly connected, at driven sprocket in the face of being interval with the some lugs that seamlessly transit that sliding pin and cover plate can be ejected on the end face of sliding pin, described sliding pin embeds the recess between adjacent two lugs, on live axle or spacer shell, be provided with and make cover plate be attached to the flexible limit stoper of spacer shell end face, the cover plate peripheral hardware be useful on detect that cover plate has been ejected near switch.
Described flexible limit stoper comprises inner sliding sleeve, be provided with outwardly directed flanging in a end near cover plate, be provided with the in-flanges that inwardly stretches out in a end away from cover plate, in inner sliding sleeve, be provided with preloading spring, one end of described preloading spring is against on the in-flanges, in preloading spring, be plugged with construction bolt, in construction bolt one end near cover plate is the bolt head of diameter greater than construction bolt, stretch out between the through hole that surrounds from in-flanges away from construction bolt one end of cover plate, bolt head and in-flanges compress preloading spring.
Offering jack near on the cover plate of inner sliding sleeve, be provided with the cover plate rib that stretches out to the receptacle axis direction at jack inwall near inner sliding sleeve, insert in the through hole that the body of inner sliding sleeve surrounds from the cover plate rib, and the through-hole side wall Spielpassung that surrounds of the body of inner sliding sleeve and cover plate rib.
On mounting pipe, be socketed with the distance ring of fixedlying connected with mounting pipe.
After the utility model uses, the Security of sprocket transmission device is improved greatly, the working service cost is lower, has avoided delaying maintenance time and causes whole feedway potential safety hazard to occur.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Fig. 2 is the driven sprocket structural representation in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: the sprocket transmission device with safeguarding mechanism of the present utility model comprises live axle 1, rolling bearing pedestal 2, distance ring 3, driven sprocket 4, safety pin 5, spacer shell 6, sliding pin 7, cover plate 8, cover plate rib 8a, inner sliding sleeve 9, flanging 9a, in-flanges 9b, preloading spring 10, construction bolt 11, forms with lug 16 near switch 12, annular groove 14, slide opening 15.
The live axle 1 that the utility model sets up at the installation endoporus of rolling bearing pedestal 2, the end of live axle 1 is by being fixed with driven sprocket 4, be provided with the spacer shell 6 that is socketed in outside the live axle 1 in live axle 1 end, spacer shell 6 is fixedlyed connected with live axle 1 by key, on spacer shell 6 end faces of driven sprocket 4, be provided with mounting pipe around its mounting hole, described driven sprocket 4 promptly is seated on the mounting pipe, between spacer shell 6 and driven sprocket 4, be provided with safety pin 5, on spacer shell 6 end faces of driven sprocket 4, offering annular groove 14 around its mounting hole, in annular groove 14, offer the left and right sides end face that penetrates spacer shell 6 and with the slide opening 15 of the mounting hole parallel axes of spacer shell 6, be plugged with sliding pin 7 in the slide opening 15, the end of sliding pin 7 is fixedly connected on the cover plate 8, at driven sprocket 4 in the face of being interval with the some lugs that seamlessly transit 16 that sliding pin 7 and cover plate 8 can be ejected on the end face of sliding pin 7, the recess that described sliding pin 7 embeds between adjacent two lugs 16, on live axle 1 or spacer shell 6, be provided with and make cover plate 8 be attached to the flexible limit stoper of spacer shell 6 end faces, cover plate 8 peripheral hardwares be useful on detect that cover plate 8 has been ejected near switch 12.
Described flexible limit stoper comprises inner sliding sleeve 9, be provided with outwardly directed flanging 9a in a end near cover plate 8, be provided with the in-flanges 9b that inwardly stretches out in a end away from cover plate 8, in inner sliding sleeve 9, be provided with preloading spring 10, one end of described preloading spring 10 is against on the in-flanges 9b, in preloading spring 10, be plugged with construction bolt 11, in construction bolt 11 1 ends near cover plate 8 is the bolt head of diameter greater than construction bolt 11, stretch out between the through hole that surrounds from in-flanges 9b away from construction bolt 11 1 ends of cover plate 8, bolt head and in-flanges 9b are with preloading spring 11 compressions.
Offering jack near on the cover plate 8 of inner sliding sleeve 9, be provided with the cover plate rib 8a that stretches out to the receptacle axis direction at jack inwall near inner sliding sleeve 9, insert in the through hole that the body of inner sliding sleeve 9 surrounds from cover plate rib 8a, and the through-hole side wall Spielpassung that surrounds of the body of inner sliding sleeve 9 and cover plate rib 8a.
Changing safety pin 5 into by original flat key connection between driven sprocket 4 and live axle 1 connects, promptly increase a spacer shell 6, the mounting pipe of spacer shell 6 and live axle 1 adopt flat key to connect, on mounting pipe, be socketed with the distance ring 3 of fixedlying connected with mounting pipe, adopt safety pin 5 to connect between spacer shell 6 and the driven sprocket 4, safety pin 5 adopts the transformation of the way of outer-hexagonal bolt, and the big I of safety pin 5 diameters is through determining after the theoretical calculation that perhaps site test is determined its diameter.The transmission of its power is such: motor-speed reducer-drive sprocket-chain-driven sprocket 4-safety pin 5-spacer shell 6-live axle 1.After safety pin 5 fractures, driven sprocket 4 turns round in the same old way, and live axle 1, spacer shell 6 is the states of shutting down, here need a warning device, warning device is such: be provided with a construction bolt 11 between spacer shell 6 and live axle 1, inductance approach switch 12 of construction bolt 11 outside installations, after safety pin 5 fractures, certainly exist relative movement between driven sprocket 4 and the spacer shell 6, can make sliding pin 7 eject a segment distance by lug 16 to driven sprocket 4 end faces, thereby make cover plate 8 be ejected a segment distance, and this distance just reaches the effective working distance near switch 12, can send alarm signal near switch 12 after electrical control like this.
Power is delivered to driven sprocket 4 by the motor driving speed reducer by drive sprocket, chain, and power driven sprocket 4 again is delivered to spacer shell 6 by safety pin 5, and spacer shell 6 is delivered to power on the live axle 1 by flat key, has finished the transmission of power; When safety pin 5 fractures, can relatively rotate between driven sprocket 4 and the spacer shell 6, can not transmit power, this moment is when driven sprocket 4 and spacer shell 6 relatively rotate, to be sold inside the country 7 by the lug 16 to driven sprocket 4 end faces can be ejected cover plate 8 together with movable thimble 11, the distance that ejects can just be detected near switch 12, sends signal instruction and can disable motor simultaneously, has so just reached the warning purpose; After cover plate 8 was ejected together with movable thimble 11, inner sliding sleeve 9 and preloading spring 10 withdrawals resetted, and driven sprocket rotates 1 one circles, and construction bolt 11 need eject four times.
Claims (3)
1, a kind of sprocket transmission device with safeguarding mechanism, the installation endoporus that comprises rolling bearing pedestal (2) has set up live axle (1), the end of live axle (1) is fixed with driven sprocket (4), it is characterized in that: be provided with the spacer shell (6) that is socketed in outside the live axle (1) in live axle (1) end, spacer shell (6) is fixedlyed connected with live axle (1) by key, on spacer shell (6) end face of driven sprocket (4), be provided with mounting pipe around its mounting hole, described driven sprocket (4) promptly is seated on the mounting pipe, between spacer shell (6) and driven sprocket (4), be provided with safety pin (5), on spacer shell (6) end face of driven sprocket (4), offering annular groove (14) around its mounting hole, in annular groove (14), offer the left and right sides end face that penetrates spacer shell (6) and with the slide opening (15) of the mounting hole parallel axes of spacer shell (6), be plugged with sliding pin (7) in the slide opening (15), the end of sliding pin (7) is fixedly connected on the cover plate (8), at driven sprocket (4) in the face of being interval with the some lugs that seamlessly transit (16) that sliding pin (7) and cover plate (8) can be ejected on the end face of sliding pin (7), described sliding pin (7) embeds the recess between adjacent two lugs (16), on live axle (1) or spacer shell (6), be provided with and make cover plate (8) be attached to the flexible limit stoper of spacer shell (6) end face, cover plate (8) peripheral hardware be useful on detect that cover plate (8) has been ejected near switch (12).
2, sprocket transmission device with safeguarding mechanism as claimed in claim 1, it is characterized in that: described flexible limit stoper comprises inner sliding sleeve (9), be provided with outwardly directed flanging (9a) in a end near cover plate (8), be provided with the in-flanges (9b) that inwardly stretches out in a end away from cover plate (8), in inner sliding sleeve (9), be provided with preloading spring (10), one end of described preloading spring (10) is against on the in-flanges (9b), in preloading spring (10), be plugged with construction bolt (11), in construction bolt (11) one ends near cover plate (8) is the bolt head of diameter greater than construction bolt (11), stretch out between the through hole that surrounds from in-flanges (9b) away from construction bolt (11) one ends of cover plate (8), bolt head and in-flanges (9b) compress preloading spring (10).
3, the sprocket transmission device with safeguarding mechanism as claimed in claim 1, it is characterized in that: offer jack on the cover plate (8) of described inner sliding sleeve (9), be provided with the cover plate rib (8a) that stretches out to the receptacle axis direction at jack inwall near inner sliding sleeve (9), insert in the through hole that the body of inner sliding sleeve (9) surrounds from cover plate rib (8a), and the through-hole side wall Spielpassung that surrounds of the body of inner sliding sleeve (9) and cover plate rib (8a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820186167U CN201386764Y (en) | 2008-10-14 | 2008-10-14 | Chain wheel driving device with safety mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820186167U CN201386764Y (en) | 2008-10-14 | 2008-10-14 | Chain wheel driving device with safety mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201386764Y true CN201386764Y (en) | 2010-01-20 |
Family
ID=41579297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820186167U Expired - Fee Related CN201386764Y (en) | 2008-10-14 | 2008-10-14 | Chain wheel driving device with safety mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201386764Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312933A (en) * | 2011-10-11 | 2012-01-11 | 中国南方航空工业(集团)有限公司 | Drive shaft coupling |
| CN102321951A (en) * | 2011-09-02 | 2012-01-18 | 浙江海森纺机科技有限公司 | Clutch touch alarm device of nonjunction fishing net machine |
| CN104319940A (en) * | 2014-09-26 | 2015-01-28 | 中色科技股份有限公司 | Motor transmission mechanism |
| CN107200295A (en) * | 2017-06-30 | 2017-09-26 | 米多智能包装（昆山）有限公司 | Tracking mode Cover whirling Machine |
| CN111120597A (en) * | 2019-12-12 | 2020-05-08 | 安徽四创电子股份有限公司 | Belt transmission device with double overload protection |
-
2008
- 2008-10-14 CN CN200820186167U patent/CN201386764Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321951A (en) * | 2011-09-02 | 2012-01-18 | 浙江海森纺机科技有限公司 | Clutch touch alarm device of nonjunction fishing net machine |
| CN102312933A (en) * | 2011-10-11 | 2012-01-11 | 中国南方航空工业(集团)有限公司 | Drive shaft coupling |
| CN104319940A (en) * | 2014-09-26 | 2015-01-28 | 中色科技股份有限公司 | Motor transmission mechanism |
| CN107200295A (en) * | 2017-06-30 | 2017-09-26 | 米多智能包装（昆山）有限公司 | Tracking mode Cover whirling Machine |
| CN111120597A (en) * | 2019-12-12 | 2020-05-08 | 安徽四创电子股份有限公司 | Belt transmission device with double overload protection |
| CN111120597B (en) * | 2019-12-12 | 2022-12-06 | 安徽四创电子股份有限公司 | Belt transmission device with double overload protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20141014 |
|
| EXPY | Termination of patent right or utility model |