CN103027373B - A kind of shear pin shaft coupling overload protection arrangement - Google Patents
A kind of shear pin shaft coupling overload protection arrangement Download PDFInfo
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- CN103027373B CN103027373B CN201210583139.4A CN201210583139A CN103027373B CN 103027373 B CN103027373 B CN 103027373B CN 201210583139 A CN201210583139 A CN 201210583139A CN 103027373 B CN103027373 B CN 103027373B
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Abstract
The present invention relates to a kind of shear pin shaft coupling overload protection arrangement; comprise the flange seat that inside has multistage cavity structure; the power transmission shaft of the adaptive accommodating multistage axle in inside of described flange seat; the miner diameter end of described power transmission shaft is connected with drive sprocket; the bigger diameter end of power transmission shaft is connected with outer tube; described outer tube is at least partly between the bigger diameter end and the bigger diameter end of flange seat of described power transmission shaft; described outer tube is also provided with shear pin; the bigger diameter end of described power transmission shaft has keyway, and at least part of adaptation of described shear pin is positioned at the inside of described keyway.Structure of the present invention is simple, easy to maintenance, working stability.When RTS cigarette unloads dish buffer storage overload; shear pin ruptures; cut-out motor and RTS cigarette are unloaded and are coiled buffer storage power; protect RTS cigarette and unload dish buffer storage; meet overload protection requirement; achieve when not dismantling RTS cigarette and unloading dish buffer storage parts, shear pin is changed, greatly reduces the plant maintenance time.
Description
Technical field
The present invention relates to a kind of power transmitting apparatus, particularly relate to a kind of shear pin shaft coupling overload protection arrangement.
Background technology
The auxiliary connected system of COMFLEX-ML cigarette packaging of the prior art forms primarily of RTS Cigarette conveying system, HCF tray filling machine and MAGOMAT disk discharging machine three part.In the process of MAGOMAT disk discharging machine upset cigarette dish, in order to the difference of production quantity between transient equilibrium cigarette machine and packing machine, increase a cigarette in RTS Cigarette conveying system newly and unloaded dish buffer storage.But in use inventor finds, RTS cigarette is unloaded dish buffer storage power shortage and is transmitted overload protection arrangement defect, causes the series of problems such as equipment downtime is long, maintenance cost is high thus.
See Fig. 1, after motor 1 starts rotating forward, drive sprocket 4 is driven to rotate by the power transmission shaft 3 be arranged on flange seat 2; And when drive sprocket 4 drives chain 5, by power transmission to slide plate 6, the compensating plate 7 be fixed on slide plate being moved right, cigarette is unloaded dish buffer storage and is started to store cigarette.In whole storage process, material storehouse outlet detector 8 time obtain signal, time inactivating signal, so buffer storage be interval store cigarette, until first sensor 9 detects detection block, motor stalls.When MAGOMAT disk discharging machine changes cigarette dish, motor 1 starts reversion, slide plate 6 slides left, cigarette is unloaded dish buffer storage and is started to compensate cigarette, in compensation process, and inactivating signal during the outlet detector 8 of material storehouse, time obtain signal, so buffer storage is also intermittent compensation cigarette, until the second sensor 10 detects detection block, motor stalls.Cigarette dish upset afterwards, repeats above-mentioned flow process, completes storage and the compensation of cigarette.
Motor by power transmission shaft directly by power transmission to drive sprocket; when cigarette unloads dish buffer storage overload; owing to lacking overload protection arrangement; the transmission between motor and drive sprocket cannot be cut off; until the chain breakage in buffer storage; the transmission of motor and buffer storage just likely departs from, and very easily causes the faults such as the distortion of chain breakage, slide plate, drive link bending, sensor degradation thus.
Summary of the invention
The object of the invention is propose a kind of can when RTS cigarette unload dish buffer memory overload realize to RTS cigarette unload dish device protect and reduce the shear pin shaft coupling overload protection arrangement of plant maintenance time.
For achieving the above object, the invention provides a kind of shear pin shaft coupling overload protection arrangement, comprise the flange seat that inside has multistage cavity structure, the power transmission shaft of the adaptive accommodating multistage axle in inside of described flange seat, the miner diameter end of described power transmission shaft is connected with drive sprocket, the bigger diameter end of power transmission shaft is connected with outer tube, described outer tube is at least partly between the bigger diameter end and the bigger diameter end of flange seat of described power transmission shaft, described outer tube is also provided with shear pin, the bigger diameter end of described power transmission shaft has keyway, the at least part of adaptation of described shear pin is positioned at the inside of described keyway.
Preferably, the bigger diameter end of described flange seat has the installing hole matched with described shear pin installation site.
Preferably, described outer tube comprises at least two interconnective coaxial tubular structures in rank, and wherein the tubular structure in large footpath surrounds the bigger diameter end of described power transmission shaft at least partly.
Preferably, tubular structure one end of described outer tube path is connected with motor shaft.
Preferably, the end face of described outer tube path tubular structure is provided with the hole of a countersunk head, and described motor shaft is arranged in the tubular structure of outer tube path by a countersunk nut, the axial location of fixing described outer tube.
Preferably, the bigger diameter end of described flange seat is provided with multiple installing hole.
Preferably, described power transmission shaft is three rank axles, and wherein the first rank axle of most path has the keyway for installing described drive sprocket, the radial position of fixing drive sprocket, and transfer motion power.
Preferably, the end face of described power transmission shaft first rank axle is also processed with screwed hole, and described drive sprocket is arranged on power transmission shaft by the nut closed with described corresponding threaded holes.
Preferably, described shear pin comprises the threaded portion matched with described installing hole and the stylolitic part be connected with described threaded portion, and the keyway that described stylolitic part adaptation is positioned at described power transmission shaft is inner, and described stylolitic part is also provided with cross section recess.
Preferably, described power transmission shaft is three rank axles, wherein, is provided with bearing and collar, is provided with spacer between bearing between the first rank axle and described flange seat of most path.
Based on technique scheme, advantage of the present invention is:
Shear pin shaft coupling overload protection arrangement of the present invention, structure is simple, easy to maintenance, working stability.When RTS cigarette unloads dish buffer storage overload; shear pin ruptures; cut-out motor and RTS cigarette are unloaded and are coiled buffer storage power; protect RTS cigarette and unload dish buffer storage; meet overload protection requirement; achieve when not dismantling RTS cigarette and unloading dish buffer storage parts, shear pin is changed, greatly reduces the plant maintenance time.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the decomposing schematic representation that in prior art, cigarette unloads dish buffer storage;
Fig. 2 is structural representation of the present invention;
Fig. 3-1 is the structural representation of outer tube of the present invention;
Fig. 3-2 is the left view of structure shown in Fig. 3-1;
Fig. 4-1 is the structural representation of power transmission shaft of the present invention;
Fig. 4-2 is the right view of structure shown in Fig. 4-1;
Fig. 5 is the enlarged diagram of shear pin 13 of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
See Fig. 2, Fig. 3-1, Fig. 3-2 ~ Fig. 5; the preferred embodiment of a kind of shear pin shaft coupling of the present invention shown in it overload protection arrangement; overload protection arrangement of the present invention comprises the flange seat 14 that inside has multistage cavity structure, the power transmission shaft 12 of the adaptive accommodating multistage axle in inside of described flange seat 14." multistage " of the present invention structure, refers to that be interconnected by the cylinder of various outer diameter or internal diameter, that cross section is stepped structure; One end that the diameter of this " multistage " structure (such as: the tubular structure etc. on multistage cavity, multistage axle, three rank axles, two rank) is less is " miner diameter end ", and one end that diameter is larger is " bigger diameter end ".The miner diameter end of described power transmission shaft 12 is connected with drive sprocket 4, the bigger diameter end of power transmission shaft 12 is connected with outer tube 11, described outer tube 11 is at least partly between the bigger diameter end and the bigger diameter end of flange seat 14 of described power transmission shaft 12, as shown in Figure 2, described outer tube 11 is also provided with shear pin 13, the bigger diameter end of described power transmission shaft 12 has keyway, and described shear pin 13 at least partly adaptation is positioned at the inside of described keyway.That is: on the whole, the shear pin shaft coupling overload protection arrangement that the present invention unloads dish buffer storage for RTS cigarette comprises the parts such as outer tube 11, power transmission shaft 12, shear pin 13 and flange seat 14.
See Fig. 2, the bigger diameter end of described flange seat 14 has the installing hole 131 matched with described shear pin 13 installation site, be convenient for changing shear pin 13.Further, outer tube 11 of the present invention comprises at least two interconnective coaxial tubular structures in rank, and wherein the tubular structure in large footpath surrounds the bigger diameter end of described power transmission shaft 12 at least partly; In other words, outer tube 11, is made up of the sleeve pipe of different-diameter, and the axis coaxle of this two parts sleeve pipe.Wherein, tubular structure one end of outer tube 11 path is connected with motor shaft 15.Further, see Fig. 3-1 and Fig. 3-2, the tubular structure inside in the large footpath of outer tube 11 is processed with open slot, and during installation, the tubular structure of path packs into motor shaft 15, the radial position of fixed electrical machinery axle 15, and transmits power.Meanwhile, preferably, the end face of outer tube 11 path tubular structure is provided with the hole of a countersunk head, and described motor shaft 15 is arranged on by a countersunk nut in the tubular structure of outer tube 11 path, the axial location of fixing described outer tube 11, as shown in Figure 2.
See Fig. 2 and Fig. 3-1, the bigger diameter end of described flange seat 14 is provided with multiple installing hole 131, and described installing hole 131 inside is unthreaded hole, and the diameter of installing hole 131 is greater than the size of shear pin 13, is convenient to mount and dismount shear pin 13.Preferably, the tubular structure in the large footpath of outer tube 11 is same circumferentially has multiple screwed hole 130, (only schematically illustrating one in Fig. 2 and Fig. 3-1), equably for installing shear pin 13.
See Fig. 2, Fig. 4-1 and Fig. 4-2, in the present embodiment, described power transmission shaft 12 is three rank axles, and wherein the first rank axle of most path has the keyway for installing described drive sprocket 4, the radial position of fixing drive sprocket 4, and transfer motion power.Meanwhile, the first rank axle of power transmission shaft 12 also for installing bearing 16,17, as shown in Figure 2.
Further, the end face of described power transmission shaft 12 first rank axle is also processed with screwed hole, and described drive sprocket 4 is arranged on power transmission shaft 12 by the nut closed with described corresponding threaded holes; In addition, described power transmission shaft 12 is also provided with countersunk nut, the axial location of fixed conveyor axle 12, as shown in Figure 2.Further, the shaft shoulder between the first rank axle of described power transmission shaft 12 and second-order axle is used for carrying out radial-axial location to bearing 16,17.
See Fig. 5, described shear pin 13 is preferably made up of copper material, comprises the threaded portion matched with described installing hole 131 and the stylolitic part be connected with described threaded portion.Threaded portion is the installation position of shear pin 13, is fixed on by shear pin 13 on outer tube 11; The keyway that described stylolitic part adaptation is positioned at described power transmission shaft 12 is inner, and described stylolitic part is also provided with cross section recess A.Preferably, in the present embodiment power transmission shaft 12 the 3rd rank axle circumferential surface on process the keyway (only schematically drawing in Fig. 2 and Fig. 4-1) of several opening equably, the width of this keyway is more than or equal to the diameter of shear pin 13 stylolitic part.After installation, the stylolitic part (being smooth column part in the present embodiment) of shear pin 13, is deep in the keyway on power transmission shaft 12, plays the effect of transmitting power.
As shown in Figure 5, on shear pin 13, the weakest part is its cross section recess A; Breakpoint when namely overload protection arrangement of the present invention works, this kind of structure makes the remaining deformation cutting off place minimum, avoids burr excessive, hinders the shear pin changed and scrap.
As shown in Figure 2, described power transmission shaft 12 is three rank axles, wherein, is provided with bearing 16,17 and collar 19,20, is provided with spacer 18 between bearing between the first rank axle and described flange seat 14 of most path.
In the present embodiment, described flange seat 14 is made up of a multistage cavity cylinder.Only one is schematically drawn in several installing hole 131(Fig. 2 of the same circumferentially uniform processing in bigger diameter end surface of flange seat 14), be for installing shear pin 13 and the fabrication hole of shear pin taking off damage.Flange seat 14 is bolted on RTS passage wallboard, not shown; Flange seat 14 one end is used for mounted motor 1, as shown in Figure 1.
The course of work of the present invention and operation principle are:
When RTS cigarette unload dish buffer storage normally work time, the power that motor 1 exports passes to power transmission shaft 12 through outer tube 11 and shear pin 13, then passes to cigarette and unload dish buffer storage.When RTS cigarette unloads dish buffer storage overload, shear pin 13 ruptures, and cuts off the power transmission between outer tube 11 and power transmission shaft 12; Now; just motor 1 has been cut off and RTS cigarette unloads the power transmission of coiling between buffer storage; protect RTS cigarette and unload dish buffer storage; meet overload protection requirement; achieve when not dismantling RTS cigarette and unloading the parts of dish buffer storage; by the fabrication hole of flange seat 14, shear pin 11 is changed, decrease the plant maintenance time.
Automatic manual transmission process of the present invention is:
First by parts scrub, load in flange seat 14 by bearing 16,17 and spacer 18, on card, collar 19,20, knocks in bearing inner race by power transmission shaft 12; Again outer tube 11 is loaded on the motor shaft 15 with flat key, be fixed on motor shaft 15 with screw.Afterwards flange seat 14 is secured by bolts on RTS passage wallboard, again motor 1 is bolted on flange seat 14, and outer tube 11 is sleeved on power transmission shaft 12, rotating drive shaft 12, the screwed hole 130 making one of them installing hole 131 of one of them keyway of power transmission shaft 12 and flange seat 14 and outer tube 11 is straight line, afterwards by single shear pin 13, be fixed in one of them screwed hole 130 of outer tube 11 by an installing hole 131 of flange seat 14, and be deep in a keyway of power transmission shaft 12; The parts of drive sprocket 4 and other buffer storages are finally installed.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (8)
1. a shear pin shaft coupling overload protection arrangement, it is characterized in that: comprise the flange seat (14) that inside has multistage cavity structure, the power transmission shaft (12) of the adaptive accommodating multistage axle in inside of described flange seat (14), the miner diameter end of described power transmission shaft (12) is connected with drive sprocket (4), the bigger diameter end of power transmission shaft (12) is connected with outer tube (11), described outer tube (11) is positioned between the bigger diameter end of described power transmission shaft (12) and the bigger diameter end of flange seat (14) at least partly, described outer tube (11) is also provided with shear pin (13), the bigger diameter end of described power transmission shaft (12) has keyway, described shear pin (13) at least partly adaptation is positioned at the inside of described keyway, the bigger diameter end of described flange seat (14) has the installing hole (131) matched with described shear pin (13) installation site, the diameter of described installing hole (131) is greater than the diameter of described shear pin (13), described shear pin (13) comprises the threaded portion matched with the screwed hole (130) on described outer tube (11) and the stylolitic part be connected with described threaded portion, the keyway that described stylolitic part adaptation is positioned at described power transmission shaft (12) is inner, the width of this keyway is greater than the diameter of described stylolitic part, and described stylolitic part is also provided with cross section recess (A).
2. shear pin shaft coupling overload protection arrangement according to claim 1; it is characterized in that: described outer tube (11) comprises at least two interconnective coaxial tubular structures in rank, and wherein the tubular structure in large footpath surrounds the bigger diameter end of described power transmission shaft (12) at least partly.
3. shear pin shaft coupling overload protection arrangement according to claim 2, is characterized in that: tubular structure one end of described outer tube (11) path is connected with motor shaft (15).
4. shear pin shaft coupling overload protection arrangement according to claim 3; it is characterized in that: the end face of described outer tube (11) path tubular structure is provided with the hole of a countersunk head; described motor shaft (15) is arranged in the tubular structure of outer tube (11) path by a countersunk nut, the axial location of fixing described outer tube (11).
5. shear pin shaft coupling overload protection arrangement according to claim 1, is characterized in that: the bigger diameter end of described flange seat (14) is provided with multiple installing hole (131).
6. shear pin shaft coupling overload protection arrangement according to claim 1; it is characterized in that: described power transmission shaft (12) is three rank axles; wherein the first rank axle of most path has the keyway for installing described drive sprocket (4); the radial position of fixing drive sprocket (4), and transfer motion power.
7. shear pin shaft coupling overload protection arrangement according to claim 6; it is characterized in that: the end face of described power transmission shaft (12) first rank axle is also processed with screwed hole, described drive sprocket (4) is arranged on power transmission shaft (12) by the nut closed with described corresponding threaded holes.
8. shear pin shaft coupling overload protection arrangement according to claim 1; it is characterized in that: described power transmission shaft (12) is three rank axles; wherein; between the first rank axle and described flange seat (14) of most path, bearing (16,17) and collar (19,20) are installed, between bearing, are provided with spacer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583139.4A CN103027373B (en) | 2012-12-28 | 2012-12-28 | A kind of shear pin shaft coupling overload protection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583139.4A CN103027373B (en) | 2012-12-28 | 2012-12-28 | A kind of shear pin shaft coupling overload protection arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103027373A CN103027373A (en) | 2013-04-10 |
| CN103027373B true CN103027373B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210583139.4A Active CN103027373B (en) | 2012-12-28 | 2012-12-28 | A kind of shear pin shaft coupling overload protection arrangement |
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| CN (1) | CN103027373B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179891A (en) * | 2014-07-28 | 2014-12-03 | 刘影 | Overload-preventing speed reducer for tunnel type drying room |
| EP4160037B1 (en) * | 2021-09-29 | 2024-02-21 | Voith Patent GmbH | Torque limiting coupling |
| WO2023087216A1 (en) * | 2021-11-18 | 2023-05-25 | Engineered Controls International, Llc | Breakaway valve for a cryogenic fluid tank |
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| EP2085631A1 (en) * | 2008-02-04 | 2009-08-05 | Siemens Aktiengesellschaft | Torque protection device and torque transmission assembly |
| 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 |
| US8187105B2 (en) * | 2009-01-29 | 2012-05-29 | GM Global Technology Operations LLC | Flange joint |
| CN202301530U (en) * | 2011-10-11 | 2012-07-04 | 中国南方航空工业(集团)有限公司 | Transmission shaft coupler |
| CN202439856U (en) * | 2012-02-20 | 2012-09-19 | 龙岩烟草工业有限责任公司 | Overload protection device of smoke supplement mechanism |
| CN202999270U (en) * | 2012-12-28 | 2013-06-19 | 龙岩烟草工业有限责任公司 | Overload protection device for shear pin coupler |
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2012
- 2012-12-28 CN CN201210583139.4A patent/CN103027373B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201137649Y (en) * | 2007-12-03 | 2008-10-22 | 内蒙古北方重工业集团有限公司 | Overload protection coupler |
| EP2085631A1 (en) * | 2008-02-04 | 2009-08-05 | Siemens Aktiengesellschaft | Torque protection device and torque transmission assembly |
| US8187105B2 (en) * | 2009-01-29 | 2012-05-29 | GM Global Technology Operations LLC | Flange joint |
| 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 |
| CN202301530U (en) * | 2011-10-11 | 2012-07-04 | 中国南方航空工业(集团)有限公司 | Transmission shaft coupler |
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| CN103027373A (en) | 2013-04-10 |
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