CN202790440U - Combined chain wheel and escalator or moving sidewalk comprising chain wheel - Google Patents
Combined chain wheel and escalator or moving sidewalk comprising chain wheel Download PDFInfo
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- CN202790440U CN202790440U CN201220447109.6U CN201220447109U CN202790440U CN 202790440 U CN202790440 U CN 202790440U CN 201220447109 U CN201220447109 U CN 201220447109U CN 202790440 U CN202790440 U CN 202790440U
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- sprocket wheel
- wheel
- chain wheel
- gear ring
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Abstract
The utility model relates to a combined chain wheel which comprises a first chain wheel (1), wherein the first chain wheel (1) is provided with a center hole (16), a shaft sleeve part (17), a first radial plate part (18) and a first gear ring (19). The combined chain wheel is characterized in that a plurality of lightening holes (100) are regularly distributed circumferentially in the first radial plate part; spoke bodies (180) distributed radially are formed between adjacent lightening holes; the first gear ring (19) is provided with at least one row of first gear bodies (190); the combined chain wheel further comprises a second chain wheel (2); and the second chain wheel (2) is directly formed from a body material of the first chain wheel (1) and provided with a second radial plate part (28) and a second gear ring (29). The utility model further relates to an escalator or a moving sidewalk of the combined chain wheel. With the adoption of the combined chain wheel and the escalator or the moving sidewalk, the transmission failure risk is reduced, the overall weight of the chain wheel is reduced greatly, and raw materials are saved.
Description
Technical field
The utility model relates to sprocket wheel (F16H 55/30), particularly Combined chain wheel.And the utility model also relates to escalator or the moving sideway that comprises described Combined chain wheel.
Background technique
Patent documentation No.CN201120139829.1 discloses a kind of energy-efficient driving device of escalator, and wherein Fig. 1 and Fig. 2 can show driving sprocket wheel in the escalator and the drive connection of step chain sprocket or pedal sprocket preferably.
Patent documentation No.CN 2560793Y discloses a kind of Combined chain wheel, and this sprocket wheel is formed a whole by two-part sprocket wheel, is provided with two fixed plates in a side of sprocket wheel.In addition, two-part sprocket wheel is fixed together by two semicircular ring piece fixed plates and bolt, retaining pad in a side of sprocket wheel.This Combined chain wheel is easy to assembly.In maintenance process, greatly shortened installation time, need only pull down bolt during replacing, two department's sprocket wheels are pulled open just can be with changing new sprocket wheel.
Patent documentation No.CN 201739463U discloses a kind of built-up gear, comprises gear one, gear two, and described gear one and gear two are bolted, and shaft core position one end of gear one and gear two is fixed with eccentric wheel.This invention is bolted two gears, the reaction force when jointly subduing operation by the horizontal cooperation between gear, thus prolong the working life of self, reduced the cost of production of enterprise.
Patent documentation No.CN 101348208A discloses a kind of escalator non-circular chain sprocket driving device, comprise that initiatively minor sprocket, fine pith chain, noncircular chain wheel, coarse pitch step chain sprocket and step chain consist of the chain-drive device, wherein: described noncircular chain wheel and coarse pitch step chain sprocket are connected; Described fine pith chain annular is connected between active minor sprocket and the non-circle wheel; Described step chain cover cloth is in the outer of coarse pitch step chain, to drive the stair step motion; Described coarse pitch step chain sprocket is when being transferred to maximum transmission radius, and described noncircular chain wheel also is transferred to maximum transmission radius, to eliminate the step chains velocity fluctuation.
Above-mentioned three pieces of patent documentations disclose has all mentioned the sprocket wheel combination, and all is by the mode that is fixedly connected with two sprocket wheels to be linked together.Yet, this three pieces of sprocket wheels that patent documentation has been mentioned combination all by two independently sprocket wheel form, namely these sprocket wheels are not one, must connect with bearing pin by connecting element such as bolt.
Generally speaking, as shown in Figure 1, the main transmission of escalator or moving sideway generally includes a driving sprocket wheel 1 and two step chain sprockets that minute are arranged or pedal sprocket 2 and 3, driving sprocket wheel 1 be connected with step chain sprocket pedal sprocket 2 usefulness bolts 5 (referring to Fig. 2) connect with pin, fastening, between step chain sprocket or pedal sprocket 2 and 3 then by axle 4 usefulness bolts connect with pin, fastening.Yet, since between driving sprocket wheel and step chain sprocket or pedal sprocket with connecting bolt and pin as connecting element, probably can occur because these connecting element loosening etc. former thereby cause transmission failure.
Patent documentation No.CN200720105238.6 discloses a kind of differential machine for transporting noodles, and wherein, the shutdown mechanism that is installed on the lower bearing bracket is connected by the composite sprocket of drive chain with same reducing motor clutch end respectively with conveyor belt in being connected upper spider; The composite sprocket of reducing motor clutch end is connected by the sprocket wheel of drive chain with anvil roller one end.But this patent documentation does not disclose the concrete structure of composite sprocket.
Patent documentation No.CN97115808.8 discloses a kind of chain drum device for central authorities or two central flight conveyers, and it comprises a composite sprocket (1), its shell-type sprocket wheel fan (1 ', 1 ") is connected in axle (2) with locking in rotation.This patent documentation is open single-piece composite sprocket in Fig. 8, but obviously such single-piece composite sprocket is not suitable for the escalator technical field.
Patent documentation No.CN201120242827.5 discloses the wheeled pivoting support of double strand chain.But this sprocket wheel is not suitable for the escalator technical field.
The input double-row chain sprocket of the open roving machine feeding system of patent documentation No.CN200820033353.1.But wherein the first sprocket wheel and the second sprocket wheel are bolted.
Patent documentation No.CN200810120466.X discloses a kind of duplex chain wheel, as the element of translatory movement; Comprise sprocket body, denticle, axis hole; It is substantially to be shaped through lost-wax casting by No. 45 steel.This patent documentation replaces with the manufacture method of blank round steel through cutting with lost-wax casting, and bite greatly reduces, and reduces product cost; And the process parameter of this patent documentation is reasonable, and up-to-standard rate is high, and the quality of product that makes fully can realistic usage requirement.As putting down in writing in its specification: duplex chain wheel is widely used in the transmission device than simple chainwheel is much bigger because of its driving force.This shows that described duplex chain wheel drives a chain, therefore, two sprocket wheels are just the same.
The model utility content
In order to overcome the deficiencies in the prior art, the first purpose of the present utility model provide a kind of sprocket wheel that can reduce rotation since between the sprocket wheel connected element loosening etc. former thereby cause the sprocket wheel combination of the possibility of transmission failure and the consumption that saves material.
To achieve these goals, the utility model proposes Combined chain wheel, it comprises the first sprocket wheel, described the first sprocket wheel has center hole, shaft sleeve part, the first disc section and the first gear ring, it is characterized in that: in described the first disc section, by circumferencial direction a plurality of lightening holes that distribute regularly, thereby between described adjacent lightening hole, form the spoke body that radially distributes;
Described the first gear ring has at least one denticle that ranked first;
Described Combined chain wheel also comprises the second sprocket wheel, and described the second sprocket wheel directly forms from the bulk material of described the first sprocket wheel, and is stretched out by the radially root of the spoke body of described the first sprocket wheel principal plane with respect to described the first sprocket wheel;
Described the second sprocket wheel has the second disc section and the second gear ring;
Described the second gear ring and described the first gear ring are arranged in parallel by described principal plane, and described the second gear ring has at least one denticle that ranked second;
The first gear ring of described the first sprocket wheel and the second gear ring of described the second sprocket wheel are at a distance of one first distance, so that the first chain that is installed on described the first sprocket wheel moves with the second chain mutual noninterference ground that is installed on described the second sprocket wheel;
Described the first sprocket wheel and described the second sprocket wheel thereby be integrally formed the formula sprocket wheel.
Owing to cancelled connected element such as connecting bolt and pin between the sprocket wheel, reduced the sprocket wheel of rotation owing to the loosening possibility that causes transmission failure of connected element.And the overall weight of having cancelled the sprocket wheel combination of connected element reduces the consumption that saves material greatly.
The utility model also relates to escalator or moving sideway, and described escalator or moving sideway comprise Combined chain wheel as herein described, and wherein, described the first sprocket wheel is driving sprocket wheel, and described the second sprocket wheel is step chain sprocket.
Escalator of the present utility model or moving sideway be owing to use described Combined chain wheel, move safer, steady and noise little.
Description of drawings
With reference to accompanying drawing, the description of feature of the present utility model, advantage and the characteristic embodiment by hereinafter is able to better understanding, in the accompanying drawing:
Fig. 1 is the schematic perspective view of structure of the Combined chain wheel of prior art;
Fig. 2 is the radial section figure of the Combined chain wheel of prior art;
Fig. 3 is the sectional perspective schematic representation of Combined chain wheel of the present utility model;
Fig. 4 is the local radial sectional drawing of Combined chain wheel of the present utility model;
Fig. 5 is that Combined chain wheel of the present utility model is installed in the radial section figure on the live axle;
In the accompanying drawings, different elements uses different figure notations, and identical element uses identical figure notation, wherein,
1 first sprocket wheel
16 center holes
17 shaft sleeve part
18 first disc sections
19 first gear rings
100 lightening holes
180 spoke bodies
190 first denticles
2 second sprocket wheels
21 annular grooves
28 second disc sections
29 second gear rings
200 vestibules
290 second denticles
3 sprocket wheels
4 axles
5 bolts
6 annular lining rings
61 antelabium bodies
And principal plane refers to disk or the Transverse plane of sprocket wheel; Circumferencial direction refers to that the point on the center line of axle 4 is the direction of the drawn circumference in the center of circle; Radial direction refers to the radial direction of respective sprocket.
Embodiment
With reference to Fig. 3, according to main embodiment of the present utility model, Combined chain wheel comprises the first sprocket wheel 1, and described the first sprocket wheel 1 has center hole 16, shaft sleeve part 17, the first disc section 18 and the first gear ring 19.
Described center hole 16 can form drive fit with live axle, and connects to transmit motion and power by key body-keyway mode.
Advantageously, as shown in Figure 5, the diameter of described center hole 16 is much larger than the diameter of described live axle 4, and described Combined chain wheel is installed on the described live axle 4 by assembly structure.Described assembly structure such as Fig. 5 are shown specifically, and certainly, those skilled in the art can suitably adopt other suitable assembly structure.The utility model does not relate to the improved protection of assembly structure, thereby no longer it is described in detail.
Described shaft sleeve part 17 has different structures according to the mounting type of described composite sprocket on live axle.In the situation of the mounting type that passes through key body-keyway, described shaft sleeve part 17 can have keyway.In the situation of using assembly structure as shown in Figure 5, described shaft sleeve part 17 has the tapped hole in the circumferencial direction regular distribution.Be connected by screw, described Combined chain wheel is fixedly mounted on the described assembly structure, namely on the described live axle 4.
Shown in Fig. 3 and 4, the first disc section 18 is connected between described shaft sleeve part 17 and the first gear ring 19, described Combined chain wheel adopts the effectively weight reduction of plate spoke structure, simultaneously, by using assembly structure as shown in Figure 5, the structure of described Combined chain wheel is greatly simplified, and weight greatly alleviates, and is very beneficial for making described Combined chain wheel with casting method.
In described the first disc section 18, by circumferencial direction a plurality of lightening holes 100 that distribute regularly, thereby between described adjacent lightening hole 100, form the spoke body 180 that radially distributes.The existence of lightening hole 100 further alleviates the weight of described Combined chain wheel, is very beneficial for precision casting.Certainly, the quantity of lightening hole 100, size, arrangement are selected by technical requirements in implementation by those skilled in the art under the prerequisite of the requirement of mechanical strength that can guarantee described Combined chain wheel.As shown in Figure 3, preferably, lightening hole 100 is arranged in outer half one radially of described the first disc section 18, thereby the overall mechanical strength of described the first sprocket wheel 1 is guaranteed that its weight alleviates to some extent simultaneously.Such layout has also further increased Combined chain wheel and has been installed in installing space on the live axle, is conducive to the carrying out of installing.
Described the first gear ring 19 has and at least onely ranked first denticle 190, preferably has double the first denticle 190, and duplex chain wheel is widely used in the transmission device than simple chainwheel is much bigger because of its driving force.Certainly, according to the power size of transmitting and the type of chain, described the first gear ring 19 also can have three rows or four and ranked first denticle 190.
Described Combined chain wheel also comprises the second sprocket wheel 2, and described the second sprocket wheel 2 directly forms from the bulk material of described the first sprocket wheel 1, and is stretched out by the radially root of the spoke body 180 of described the first sprocket wheel 1 principal plane with respect to described the first sprocket wheel 1.Combined chain wheel of the present utility model is mainly used in escalator or moving sideway, Combined chain wheel as shown in Figure 2, because two sprocket wheels are bolted together, the existence of linkage structure must increase the weight of Combined chain wheel, and simultaneously also there are the potential safety hazards such as loosening, shear failure in described bolt fastening structure.Therefore the inventor of the utility model application visualizes the integral type sprocket wheel, when alleviating the weight of described Combined chain wheel, has cancelled bolt fastening structure, obtains the double technique effect.Shown in Fig. 3 and 4, described the first sprocket wheel 1 is made of identical material with described the second sprocket wheel 2, in mechanical manufacturing field, it is multiple to realize that described the second sprocket wheel 2 has from the direct method that forms of the bulk material of described the first sprocket wheel 1, and casting and machining are the most frequently used manufacture methodes.Pass through casting method, described the first sprocket wheel 1 and described the second sprocket wheel 2 form in casting base chamber simultaneously, connection between described the first sprocket wheel 1 and described the second sprocket wheel 2 is exactly that their bulk material merges mutually, does not need other for example mechanical fastener of bolt and so on.Similarly, by the single-piece cylinder blank is carried out machining, those skilled in the art can access the integral type sprocket wheel, and the connection between described the first sprocket wheel 1 and described the second sprocket wheel 2 is exactly their originally bulk materials of one, does not need other for example mechanical fastener of bolt and so on.In addition, by electron pair welding technology method, described first sprocket wheel 1 of same material and described the second sprocket wheel 2 are realized the fusion of bulk material aspect because of powerful electric power at the linkage interface place, thereby do not need other for example mechanical fastener of bolt and so on.As shown in Figure 3, advantageously, described the second sprocket wheel 2 forms in described the first disc section 18 intermediate portions of described the first sprocket wheel 1, described like this second sprocket wheel 2 has enough spaces to form the second disc section 28 and the second gear ring 29, and, on meaning on the ergonomics, on the whole more attractive in appearance of whole composite sprocket.Here principal plane just refers to the large planes such as the plane at end face place of described the first sprocket wheel 1 or its midplane, circumferential plane.Shown in Fig. 3 and 4, described lightening hole 100 or spoke body 180 are distributed in outside half one in footpath of described the first disc section 18, therefore the radially root of described spoke body 180 just is in the middle circle position of the first disc section 18 shown in Figure 4, and described the second sprocket wheel 2 just begins to be formed by the bulk material of described the first sprocket wheel 1 from here.
Described the second sprocket wheel 2 has the second disc section 28 and the second gear ring 29, and shown in Fig. 3 and 4, described the second disc section 28 has truncated cone shape, and its cone mouth radially outward enlarges.Described the second gear ring 29 is arranged in parallel by described principal plane with described the first gear ring 19, and described the second gear ring has at least one denticle 290 that ranked second.Therefore described composite sprocket is installed on the same live axle, and described the first sprocket wheel 1 is identical with described the second sprocket wheel 2 sense of rotation, and their gear ring is preferably parallel, and coordination performance is better when using two different chain transmission campaigns like this.Described the second sprocket wheel 2 can have double the second denticle 290 equally, and perhaps three rows, four ranked second denticle, can suitably select according to the chain that uses and/or transferring power size.
The first gear ring 19 of described the first sprocket wheel 1 and the second gear ring 29 of described the second sprocket wheel 2 are at a distance of one first distance, so that the first chain that is installed on described the first sprocket wheel 1 moves with the second chain mutual noninterference ground that is installed on described the second sprocket wheel 2.Clearly, described Combined chain wheel is different from the cast-in-block duplex chain wheel, because duplex chain wheel is used for a chain transmission campaign, its two toothrows body is close nearer.And Combined chain wheel of the present utility model is used for the motion transmission of two different chains, and therefore, described the first sprocket wheel 1 and described the second sprocket wheel 2 enough distances of will being separated by are not so that the motion of two chains can be interfered mutually.Described the first distance is determined by engineering calculation by the specification of the specification of described Combined chain wheel, used chain, the physical parameters such as size of transferring power by the ability technician.
Shown in Fig. 3 and 4 concrete examples, described the first sprocket wheel 1 and described the second sprocket wheel 2 are integrally formed the formula sprocket wheel thus.And can find out that described the first sprocket wheel 1 and described the second sprocket wheel 2 share same center hole 16 and shaft sleeve part 17.Alternatively, described shaft sleeve part 17 does not exceed the root of described the second sprocket wheel 2, does not namely exceed the linkage interface of described the first sprocket wheel 1 and described the second sprocket wheel 2.
Implement modification according to first of described Combined chain wheel of the present utility model, as shown in Figure 4 and Figure 5, be formed with annular groove 21 at the connection part place of described the first sprocket wheel 1 and described the second sprocket wheel 2; And in described toroidal cavity, be installed on the annular lining ring 6 of damping sound-absorbing, wherein, described lining ring has the antelabium body 61 of annular, described antelabium body 61 extends radially outwardly, and the second distance determined of the gullet base one that exceeds described the second denticle, so that chain contacts with described antelabium body first in described teeth groove, behind described antelabium body deformability, described chain roller meshes with described teeth groove again, thus vibrations and noise when reducing sprocket wheel and chain engagement.Certainly, what contact with described antelabium body also can be the side plate of corresponding chain, also can be the part of the roller of chain.As for described second distance how to confirm, those skilled in the art determine that according to the shape of specification, teeth groove and the denticle of Combined chain wheel for example, for wider teeth groove, described antelabium body can exceed the larger distance of gullet base; For narrower teeth groove, described antelabium body can exceed the less distance of gullet base.For described second sprocket wheel 2 of the larger power of transmission, described antelabium body can exceed the larger distance of gullet base, and the thickness of described antelabium body can be thicker.Be clear that described definite distance can calculate by engineering mechanics.Described lining ring can for example synthetic rubber or natural rubber be made by elastomeric material.
Preferably, as shown in Figure 3, described the first gear ring 19 has two and ranked first denticle 190, and described the second gear ring has one and ranked second denticle 290.This embodiment of Combined chain wheel is suitable for escalator very much, and as shown in Figure 1, described the first sprocket wheel 1 is as driving sprocket wheel, and described the second sprocket wheel 2 is as step chain sprocket or pedal sprocket.Step chain sprocket is owing to occur in pairs in escalator, and therefore, each step chain sprocket has a toothrow body, the effect that can bear required tractive force.
Advantageously, described the first sprocket wheel 1 has different radiuses with described the second sprocket wheel 2.Shown in Fig. 3 and 4, the diameter of described the first sprocket wheel 1 is a bit larger tham the diameter of the second sprocket wheel.The setting of diameter is mainly determined according to the use occasion of Combined chain wheel, the type of chain, the physical conditions such as size of transferring power.
As modification, described the first gear ring 19 and described the second gear ring have the denticle of different numbers.
Implement modification according to second of described Combined chain wheel of the present utility model, the flank of tooth of described the first denticle 190 and/or described the second denticle 290 is Archimedes spiral.Be the chain denticle of Archimedes spiral by use, increased the contact strength of escalator sprocket wheel, the transmission stability of escalator sprocket wheel is also relatively good simultaneously, and noise is also lower.This is that the utility model is the further improvement that shock-absorbing noise-reducing carries out.
Implement modification according to the 3rd of described Combined chain wheel of the present utility model, described the second sprocket wheel 2 has a plurality of vestibules 200 that distribute regularly by circumferencial direction in its second disc section 28, and described vestibule 200 is used for installing and the cushion block (not shown) of shaking falls in the supporting noise abatement.With reference to Fig. 3, described cushion block is full of described vestibule 200, and can be buckled in the described vestibule 200, and described cushion block is made of the high material of shock-absorbing performance, for example porous material.Therefore the utility model has further reduced vibrations and noise again.In like manner, such noise abatement also can be installed in the described lightening hole 100 and fall the cushion block that shakes.
As favourable enforcement modification, described Combined chain wheel is by casting method, preferably by casting method, more preferably one-body molded by the lost-wax casting method.The Combined chain wheel that casting forms can obtain further by fine finishing the precision of necessary requirement.
As for the material that Combined chain wheel uses, select not existing material according to its manufacture method.Because the utility model material consumption obtains significant improvement, Combined chain wheel of the present utility model is especially suitably made by casting method, and therefore can usability good alloy material for example alloyed steel is cast.In the situation of using machining process to make, the high-strength material that described Combined chain wheel can be selected good processability is carbon steel, quenching and tempering steel for example, preferably, selects No. 45 steel, silicomanganese molybdenum tungsten vanadium steel, for example 37SiMn2MoWVA.
The utility model also relates to escalator or moving sideway, and it comprises that according to above-mentioned Combined chain wheel wherein, described the first sprocket wheel 1 is as driving sprocket wheel, and described the second sprocket wheel 2 is as step chain sprocket.Be combined with step chain on the described step chain sprocket, the diameter of described step chain sprocket can be larger.Adopt large diameter step chain sprocket, so that the increase of the area of contact of step chain sprocket and step chain, thereby the stressed of step chain, the transmission of stablizing step board increased.The physical arrangement of escalator sees many patent documentations, for example CN200520140561.8, no longer describes in detail here.
The advantage of the sprocket wheel combination of escalator of the present utility model or moving sideway is:
1) thus reduced the sprocket wheel that rotates because the loosening possibility of transmission failure that causes of connecting element makes escalator or moving sideway move more steady and safety;
2) reduce sprocket wheel combination overall weight, the consumption that saves material;
3) use the damping sound arrester, reduce operation vibrations and noise;
4) driving sprocket wheel adopts the duplex chain wheel structure, strengthens load, makes each tooth stressed evenly.
More than describe preferred specific embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variations according to design concept of the present utility model.Therefore; all in the art technician comply with design concept of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should be within scope of the present utility model and/or by in the determined protection domain of claims.
Claims (10)
1. Combined chain wheel, it comprises the first sprocket wheel (1), described the first sprocket wheel (1) has center hole (16), shaft sleeve part (17), the first disc section (18) and the first gear ring (19), it is characterized in that: in described the first disc section, by the circumferencial direction a plurality of lightening holes (100) that distribute regularly, thereby between described adjacent lightening hole, form the spoke body (180) that radially distributes;
Described the first gear ring (19) has at least one denticle (190) that ranked first;
Described Combined chain wheel also comprises the second sprocket wheel (2), described the second sprocket wheel (2) directly forms from the bulk material of described the first sprocket wheel (1), and is stretched out by the radially root of the spoke body (180) of described the first sprocket wheel (1) principal plane with respect to described the first sprocket wheel (1);
Described the second sprocket wheel (2) has the second disc section (28) and the second gear ring (29);
Described the second gear ring (29) is arranged in parallel by described principal plane with described the first gear ring (19), and described the second gear ring has at least one denticle (290) that ranked second;
First gear ring (19) of described the first sprocket wheel (1) and second gear ring (29) of described the second sprocket wheel (2) are at a distance of one first distance, so that the first chain that is installed on described the first sprocket wheel (1) moves with the second chain mutual noninterference ground that is installed on described the second sprocket wheel (2);
Described the first sprocket wheel (1) and described the second sprocket wheel (2) thereby be integrally formed the formula sprocket wheel.
2. Combined chain wheel according to claim 1, it is characterized in that: the connection part place at described the first sprocket wheel (1) and described the second sprocket wheel (2) is formed with annular groove (21); And in described annular groove (21), be installed on the lining ring (6) of the damping sound-absorbing of annular, wherein, described lining ring has the antelabium body (61) of annular, described antelabium body (61) extends radially outwardly, and the second distance determined of the gullet base one that exceeds described the second denticle, so that chain contacts with described antelabium body (61) first in described teeth groove, after described antelabium body (61) distortion, described chain roller meshes with described teeth groove again, thus vibrations and noise when reducing sprocket wheel and chain engagement.
3. Combined chain wheel according to claim 1, it is characterized in that: described the first gear ring (19) has two and ranked first denticle (190), and described the second gear ring has one and ranked second denticle (290).
4. Combined chain wheel according to claim 1, it is characterized in that: described the first sprocket wheel (1) has different radiuses with described the second sprocket wheel (2).
5. Combined chain wheel according to claim 1 is characterized in that: described the first gear ring (19) and described the second gear ring have the denticle of different numbers.
6. Combined chain wheel according to claim 1, it is characterized in that: the flank of tooth of described the first denticle (190) and/or described the second denticle (290) is Archimedes spiral.
7. each described Combined chain wheel in 6 according to claim 1, it is characterized in that: described the second sprocket wheel (2) has a plurality of vestibules (100) that distribute regularly by circumferencial direction in its second disc section (28), and described vestibule is used for installing and the cushion block that shakes falls in the supporting noise abatement.
8. each described Combined chain wheel in 6 according to claim 1, it is characterized in that: described Combined chain wheel is one-body molded by casting method.
9. each described Combined chain wheel in 6 according to claim 1, it is characterized in that: described Combined chain wheel is made by carbon steel.
10. escalator or moving sideway, it is characterized in that described escalator or moving sideway comprise according to claim 1 each described Combined chain wheel in 9, wherein, described the first sprocket wheel (1) is driving sprocket wheel, and described the second sprocket wheel (2) is step chain sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220447109.6U CN202790440U (en) | 2012-09-04 | 2012-09-04 | Combined chain wheel and escalator or moving sidewalk comprising chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220447109.6U CN202790440U (en) | 2012-09-04 | 2012-09-04 | Combined chain wheel and escalator or moving sidewalk comprising chain wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790440U true CN202790440U (en) | 2013-03-13 |
Family
ID=47817706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220447109.6U Expired - Lifetime CN202790440U (en) | 2012-09-04 | 2012-09-04 | Combined chain wheel and escalator or moving sidewalk comprising chain wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573970A (en) * | 2013-09-23 | 2014-02-12 | 湖州天和机械有限公司 | Dual-tooth chain wheel |
| CN103671832A (en) * | 2012-09-04 | 2014-03-26 | 江南嘉捷电梯股份有限公司 | Combined type chain wheel and escalator or moving pavement including same |
-
2012
- 2012-09-04 CN CN201220447109.6U patent/CN202790440U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671832A (en) * | 2012-09-04 | 2014-03-26 | 江南嘉捷电梯股份有限公司 | Combined type chain wheel and escalator or moving pavement including same |
| CN103573970A (en) * | 2013-09-23 | 2014-02-12 | 湖州天和机械有限公司 | Dual-tooth chain wheel |
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