CN213231099U - Compound leading wheel - Google Patents
Compound leading wheel Download PDFInfo
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- CN213231099U CN213231099U CN202020832206.1U CN202020832206U CN213231099U CN 213231099 U CN213231099 U CN 213231099U CN 202020832206 U CN202020832206 U CN 202020832206U CN 213231099 U CN213231099 U CN 213231099U
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Abstract
The utility model discloses a composite guide wheel, which comprises a wheel hub, a bearing sleeve arranged at the center of the wheel hub and a rope groove body sleeved on the periphery of the wheel hub; the wheel hub comprises two half wheel hubs formed by stamping and molding a steel plate, the two half wheel hubs are fixedly attached in an attaching mode, the surface of each half wheel hub is sunken towards the attaching side, the bottom surface of the sunken part protrudes back to the attaching side to form a groove with an opening facing the attaching side, the bottom surfaces of the sunken parts of the two half wheel hubs are attached to each other, and the corresponding grooves on the two half wheel hubs after the sunken parts of the two half wheel hubs are attached to each other to form an installation cavity; the rope groove body comprises an annular main body which is attached and fixed to the periphery of the hub, and a reinforcing column which extends from the inner side of the annular main body to the inside of the mounting cavity, and the rope groove body is formed by pouring composite materials. The utility model discloses the leading wheel structure that obtains is more firm stable to it is convenient, with low costs to make processing.
Description
Technical Field
This application belongs to elevator technical field, concretely relates to compound leading wheel.
Background
The guide wheel of the elevator, which is widely used at present, is generally assembled by a guide wheel body 1, a guide wheel shaft 2, a bearing 3 and the like as shown in fig. 1.
In the production process of the traditional guide wheel, a corresponding casting mold is designed according to product parameters, then a blank of a cast iron wheel (nylon wheel) is cast, then a guide wheel body 1 is manufactured through machining processes such as rough machining, fine machining and the like, and then the bearing 3 and the guide wheel shaft 2 are assembled. In the mode, the whole guide wheel is made of more materials, and meanwhile, the material and time are greatly wasted, the processing procedure is relatively complex, and the period is relatively long. And because the wheel body of traditional leading wheel is the foundry goods, so all need redesign a set of mould when producing the wheel body of different specifications every time, and the strengthening rib and the peripheral surface in the wheel body are all relatively crude, influence the outward appearance of wheel body very much.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a compound leading wheel, the leading wheel structure that obtains is firm more stable to it is convenient, with low costs to make processing.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
a composite guide wheel comprises a wheel hub, a bearing sleeve arranged in the center of the wheel hub and a rope groove body sleeved on the periphery of the wheel hub in a sleeved mode;
the hub comprises two half hubs formed by stamping and forming a steel plate, the two half hubs are fixedly attached in an attaching mode, the surface of each half hub is sunken towards the attaching side, the bottom surface of the sunken part protrudes back to the attaching side to form a groove with an opening facing the attaching side, the bottom surfaces of the sunken parts of the two half hubs are attached to each other, and the grooves corresponding to the upper positions of the two half hubs after the two half hubs are attached to each other form an installation cavity;
the rope groove body comprises an annular main body which is attached and fixed to the periphery of the hub, and a reinforcing column which extends from the inner side of the annular main body to the inside of the mounting cavity, and the rope groove body is formed by pouring composite materials.
Preferably, the half-hubs are stamped and formed from 4mm thick steel sheet.
Preferably, the composite material is nylon or glass fiber reinforced plastic.
Preferably, a bearing seat round hole is formed in the center of the half hub, and the bearing sleeve is installed in the bearing seat round hole.
Preferably, the groove in the half hub is strip-shaped, and the strip-shaped groove extends from the side surface of the invagination part to the round hole of the bearing seat.
Preferably, the bottom surfaces of the sunken parts of the two half hubs are welded and fixed, the bearing sleeves are embedded into the centers of the half hubs and are welded and fixed, the welded bearing sleeves and the two half hubs are integrally placed in a preset rope pulley mold to be fixed, a flowing composite material is injected into the rope pulley mold, the composite material fills the installation cavity and the peripheries of the hubs, and the composite guide wheel is obtained through cooling molding and demolding.
Preferably, an annular cavity is reserved between the inner surface of the rope pulley mold and the outer peripheral surface of the hub, the annular cavity is communicated with the mounting cavity, and the flowing composite material is cooled and molded in the annular cavity to obtain the annular main body of the rope groove body.
Preferably, the inner surface of the sheave die is provided with annular convex strips, and the convex strips correspond to rope grooves on the surface of the rope groove body.
Preferably, at least one of the two half hubs is provided with an exhaust hole connected with the mounting cavity.
Preferably, the flowing composite material is injected into the rope pulley mold until the mounting cavity and the periphery of the hub are fully filled with the composite material, and the flowing composite material is injected into the rope pulley mold until the composite material flows out of the exhaust holes, and the casting is considered to be finished, namely the composite material is fully filled in the mounting cavity and the periphery of the hub.
According to the composite guide wheel, the two half wheel hubs are formed by stamping the steel plates with the thickness of 4mm, so that materials are saved, and the production period is greatly shortened; the rope groove body is formed by pouring composite materials, so that the overall weight of the guide wheel is reduced, and the strength is improved; the rope groove body and the wheel hub are connected in a reinforcing manner through the reinforcing column and the mounting cavity, so that the structure of the guide wheel is firmer and more stable; and the whole guide wheel is convenient to manufacture and process and low in cost.
Drawings
FIG. 1 is a schematic view of a guide wheel in the prior art;
FIG. 2 is a schematic structural view of a guide wheel of the present application;
FIG. 3 is a schematic structural view of a left hub of the present application;
FIG. 4 is a schematic view of the connection of the left and right hubs of the present application;
FIG. 5 is a schematic structural view of a rope groove of the present application;
FIG. 6 is a front view of the cord groove of the present application;
fig. 7 is a schematic diagram of the pulley mold and the hub casting.
1. A guide wheel body; 2. a guide wheel shaft; 3. a bearing; 4. a bearing housing; 5. a left hub; 51. an inner sunken bottom surface; 52. a groove; 53. an annular edge; 54. hollowing out holes; 6. a rope groove body; 61. an annular body; 62. rope grooves; 63. a reinforcement column; 7. a right hub; 8. a rope pulley mold; 81. a convex strip; 9. installing a cavity; 10. and (4) exhausting holes.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In one embodiment, a composite guide wheel is provided and is applied to elevator guiding. As shown in fig. 2, the composite guide wheel of the present embodiment includes a hub, a bearing sleeve 4 mounted at the center of the hub, and a rope groove 6 fitted around the outer periphery of the hub.
Wherein the wheel hub comprises two half wheel hubs stamped and formed by steel plates, and for the convenience of description, one of the two half wheel hubs is called a left wheel hub 5, and the other half wheel hub is called a right wheel hub 7. Adopt half wheel hub that the steel sheet punching press formed, compare in the wheel hub that current cast iron or nylon pouring formed, the half wheel hub structural strength of this embodiment is higher to the material is saved more during the preparation half wheel hub, reduces the cost of manufacture.
Two half hubs of the hubs are attached and fixed. Since the half-hub is press-formed, the plate thickness of each part of the half-hub is considered to be equal. The main structures of the two half hubs are the same, and the structure of the same portion of the two half hubs will be described below by taking the left hub as an example.
As shown in fig. 3, the surface of each half hub is recessed toward the abutting side after stamping, and the recessed half hub includes an annular edge 53 and a recessed portion connected to the inner edge of the annular edge 53, which is indicated by L in fig. 3.
The bottom surface of the recessed portion (referred to as recessed bottom surface 51) projects away from the abutment side to form a recess 52 that opens toward the abutment side. The whole appearance of the half hub can be seen as a circle from the stamping direction, and in order to install the bearing, a bearing seat round hole is formed in the center of the half hub. The recessed bottom surface 51 of the half hub is provided with a hollow hole 54.
The above structure is the structure of the same part of the two half hubs.
When the two half hubs are mounted, as shown in fig. 4, the bottom surfaces of the recessed portions of the two half hubs abut against each other, and the corresponding recesses 52 on the two half hubs form the mounting cavity 9. The bottom surfaces of the sunken parts of the two half hubs are mutually attached, so that the attachment area of the two half hubs can be increased, and the integral stability of the hub after installation is improved. And the two half-hubs are fixed at the abutting part by welding.
In one embodiment, in order to ensure the structural strength of the half hub and save the manufacturing cost, the half hub is formed by punching a steel plate with the thickness of 4mm, and the production period is greatly shortened by the punching processing mode.
The bearing sleeve 4 in this embodiment penetrates through the bearing seat circular holes of the two half hubs and is welded and fixed with the edges of the bearing seat circular holes. Bearing housing 4 is used for the installation bearing, and in another embodiment, bearing housing 4 can use the pipe of many specifications of predetermineeing to process, processes and cuts according to product parameter requirement, improves the processing convenience.
As shown in fig. 5 to 6, the rope groove 6 in the guide wheel of the present embodiment includes an annular main body 61 fixed to abut against the outer periphery of the wheel hub, and a reinforcing column extending from the inner side of the annular main body 61 to the inside of the mounting cavity, and the rope groove 6 is cast from a composite material.
In this embodiment, the rope groove 6 is connected to the hub through the annular main body 61, and the reinforcing column 63 and the mounting cavity 9 are further arranged to improve the connection reliability. In order to achieve the best connection effect, in one embodiment, the groove 52 on the half hub is a strip, and the strip-shaped groove 52 extends from the side surface of the recessed portion to the circular hole of the bearing seat. Therefore, the contact area between the rope groove body 6 and the hub is increased as much as possible, and the structure of the guide wheel is firmer and more stable.
In addition, in the embodiment, the number of the grooves 52 formed in the half hub is 6, so that the effect of better improving the connection reliability is achieved when 6 mounting cavities are formed, and the using amount of the composite material is appropriate. Of course, the number of the grooves 52 on the half hubs can be adjusted according to actual requirements.
In one embodiment, the composite material used for casting the rope groove body is nylon or glass fiber reinforced plastic. The conventional glass fiber reinforced plastic industry uses either a proportional or conventional nylon. The whole wheel body of pure nylon pouring, the price is very high and the quality is lighter, intensity is easy to damage inadequately, and the wheel body of compound material that this embodiment used, its weight and intensity all can increase to rope groove part damages and can not influence other subassemblies, and can carry out the secondary and pour the restoration.
In another embodiment, a manufacturing method of the composite guide wheel based on any one of the above embodiments is further provided, and the manufacturing method has the advantages of less material waste, simple manufacturing process and short manufacturing period.
The manufacturing method of the composite guide wheel of the embodiment comprises the following steps:
And 2, abutting the bottom surfaces of the sunken parts of the two half hubs against each other, and fixing the abutted parts by welding.
And 3, cutting by using circular pipes with more preset specifications to obtain the bearing sleeve. The specification of bearing housing matches with the bearing frame round hole on the wheel hub, and the bearing housing of different specifications adopts the pipe of different specifications to cut can, and processing is convenient.
And 4, embedding the bearing sleeve into the center of the half hub and welding and fixing the bearing sleeve.
And 5, putting the welded whole into a preset rope pulley mold for fixing, injecting a flowing composite material into the rope pulley mold until the composite material fills the mounting cavity and the periphery of the hub slowly, cooling for molding, and demolding to obtain the composite guide wheel.
According to the manufacturing method, the half wheel hub is formed by stamping the steel plate with the thickness of 4mm, so that materials are saved, the production period is greatly shortened, the traditional guide wheel body is cast by cast iron or nylon, the wheel body is heavy and is difficult to carry and assemble, and meanwhile, the machining processes of multiple turning, milling, boring and the like are required, so that the manufacturing cost is high.
In the manufacturing method of the embodiment, the obtained guide wheel is formed by splicing multiple materials, each part can be designed and processed independently, the material cost is greatly saved, the weight of the guide wheel is reduced, and the accuracy of each part is ensured.
The guide wheel obtained by the embodiment has the advantages that the weight is reduced compared with a cast iron wheel, the weight is increased compared with a nylon wheel, but the hub part is formed by compression molding of a steel plate, so the guide wheel is firmer and more stable in structure compared with the nylon wheel, the price of nylon is more expensive than that of cast iron, and the guide wheel of the embodiment is a combination of two materials, namely, the weight is reduced, and the cost is also saved.
As shown in fig. 7, the inner surface of the sheave die 8 is positioned against the outer edge of the annular rim 53 of the hub, so that an annular cavity is left between the inner surface of the sheave die 8 and the outer peripheral surface of the hub, and the annular cavity is communicated with the mounting cavity, and the flowing composite material is cooled and molded in the annular cavity to obtain an annular main body 61 of the rope groove body 6.
In order to ensure the generation of the rope groove body 6, the part of the rope wheel mould 8 at least matched with the wheel hub is annular, and in order to facilitate the one-time convenient processing and forming of the rope groove body 6, an annular convex strip 81 is arranged on the inner surface of the rope wheel mould 8, and the convex strip 81 corresponds to the rope groove on the surface of the rope groove body. Namely, after the formed composite material is demoulded, the rope groove 62 on the rope groove body 6 is formed at the position of the convex strip 81.
During welding, the left hub 5 and the right hub 7 are placed on a positioning frame to be fixed, certain pressure is applied to enable the two wheel bodies to be tightly combined together, and then the welding process is carried out to guarantee the sealing performance and stability of the welded hubs. And then welding the hub and the bearing sleeve to obtain a welded whole.
When casting, the welded whole is placed on a positioning frame in the rope wheel mould, and the positioning frame is positioned by six hollow holes 54 on the left and right wheel hubs and a round hole in the middle of the bearing sleeve 4. The rope wheel die is formed by uniformly compressing and pressing a flowing composite material into a hub from left to right, so that the composite material continuously flows to a cavity (comprising an annular cavity and a mounting cavity) and is filled with the cavity under the extrusion of three-side stress.
The rope pulley mold is made of composite materials which are uniformly compressed and flow to the hub from left to right, namely, slurry inlets are formed in the left side and the right side of the rope pulley mold 8, and the flowing composite materials are pressed in from the slurry inlets. And the act of pressing the flowing composite material may be accomplished manually or by machine.
This application has strengthened the connection reliability between a plurality of different material parts through the process of pouring, and combined material and cavity form a whole, and the grooving physical stamina that the pouring obtained is fine like this combines closely with wheel hub, is unlikely to have the separation phenomenon.
In the manufacturing process of the composite guide wheel, a rope wheel mold of one specification is arranged opposite to a hub of one specification, and the rope wheel mold is prepared in advance before the guide wheel is manufactured and is used for manufacturing the guide wheel, but is not used as a part of the guide wheel.
The rope groove body can be poured according to relevant product parameters, namely, the outer die can be replaced according to the number of grooves, the diameter of the wheel, the groove distance and the diameter of the rope required by customers, and the whole die needs to be changed by the traditional guide wheel. Such as: the customer needs two kinds of wheels of 5 grooves, wheel diameter phi 400, groove distance 16, rope diameter phi 10 and 6 grooves, wheel diameter phi 400, groove distance 14, rope diameter phi 8, this application is direct change rope sheave mould 8 just can, and traditional foundry goods then need change a whole set of mould, and the manufacturing cost of this application is lower in comparison, and the universality is higher.
In order to facilitate the filling of the entire cavity with the flowable composite material, in one embodiment at least one of the two half-hubs is provided with an exhaust hole 10 connected to the mounting cavity 9. The hub on the left side or the right side is provided with a small exhaust hole 10, the exhaust hole 10 is arranged on the inner sunken surface 51 and outside the bearing seat in the round hole of the bearing seat, when the composite material is poured, along with continuous fluid continuously enters the cavity, air in the cavity can be continuously exhausted from the small hole, so that the whole cavity is filled with the fluid.
And this embodiment also judges whether the cavity is filled completely to compound material through the exhaust hole, injects the compound material of flow into rope sheave mould promptly, until compound material fills full installation cavity and wheel hub periphery, and this operation includes: and (3) injecting the flowing composite material into the rope pulley mold until the composite material flows out of the exhaust hole, and finishing pouring, namely filling the mounting cavity and the periphery of the hub with the composite material.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The composite guide wheel is characterized by comprising a wheel hub, a bearing sleeve arranged in the center of the wheel hub and a rope groove body sleeved on the periphery of the wheel hub in a sleeved mode;
the hub comprises two half hubs formed by stamping and forming a steel plate, the two half hubs are fixedly attached in an attaching mode, the surface of each half hub is sunken towards the attaching side, the bottom surface of the sunken part protrudes back to the attaching side to form a groove with an opening facing the attaching side, the bottom surfaces of the sunken parts of the two half hubs are attached to each other, and the grooves corresponding to the upper positions of the two half hubs after the two half hubs are attached to each other form an installation cavity;
the rope groove body comprises an annular main body which is attached and fixed to the periphery of the hub, and a reinforcing column which extends from the inner side of the annular main body to the inside of the mounting cavity, and the rope groove body is formed by pouring composite materials.
2. A composite guide wheel according to claim 1, wherein the half-hubs are stamped and formed from 4mm thick sheet steel.
3. The composite guide wheel according to claim 1, wherein the composite material is nylon or glass fiber reinforced plastic.
4. The composite guide wheel according to claim 1, wherein a bearing seat circular hole is formed in the center of the half hub, and the bearing sleeve is installed in the bearing seat circular hole.
5. The composite guide wheel according to claim 4, wherein the groove on the half hub is strip-shaped, and the strip-shaped groove extends from the side surface of the recessed portion to the circular hole of the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020832206.1U CN213231099U (en) | 2020-05-18 | 2020-05-18 | Compound leading wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020832206.1U CN213231099U (en) | 2020-05-18 | 2020-05-18 | Compound leading wheel |
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| CN213231099U true CN213231099U (en) | 2021-05-18 |
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| CN202020832206.1U Active CN213231099U (en) | 2020-05-18 | 2020-05-18 | Compound leading wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470391A (en) * | 2020-05-18 | 2020-07-31 | 杭州康特尔电梯部件有限公司 | Composite guide wheel and manufacturing method thereof |
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2020
- 2020-05-18 CN CN202020832206.1U patent/CN213231099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470391A (en) * | 2020-05-18 | 2020-07-31 | 杭州康特尔电梯部件有限公司 | Composite guide wheel and manufacturing method thereof |
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