CN113071265A - Prototype trial-manufacturing method of non-inflatable explosion-proof wheel - Google Patents
Prototype trial-manufacturing method of non-inflatable explosion-proof wheel Download PDFInfo
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- CN113071265A CN113071265A CN202110280233.1A CN202110280233A CN113071265A CN 113071265 A CN113071265 A CN 113071265A CN 202110280233 A CN202110280233 A CN 202110280233A CN 113071265 A CN113071265 A CN 113071265A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000013461 design Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000003490 calendering Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 230000032798 delamination Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 239000013585 weight reducing agent Substances 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B31/00—Apparatus or tools for assembling or disassembling wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2320/00—Manufacturing or maintenance operations
- B60B2320/10—Assembling; disassembling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a trial-manufacturing method of a prototype of a non-inflatable explosion-proof wheel, which adopts the integrated design of 'a software wheel-hinge group-hub', and consists of the software wheel, the hinge group and the hub from outside to inside in sequence. The wheel hubs are correspondingly connected and fixed through a plurality of hinge groups arranged in the radial direction and are hung among the wheels; the main aim of trial production of the wheel hub is to ensure the reliability of the wheel hub under the action of alternating force, avoid the occurrence of fatigue failure and simultaneously adopt light materials as far as possible; the key point of the trial production of the hinge group is to solve the problems of the arrangement form and the number of the hinge group, and the clearance fit of a bolt-hinge and a hinge-hinge is considered so as to reduce unnecessary load impact and physical interference and also consider light weight; the wheel design has the key points that the damping performance of the rubber layer buffering is realized under the conditions of heat dissipation performance and weight reduction, the assembly design of the snap ring and the elastic ring is required to be safe and stable, and an integrated processing and manufacturing mode is used.
Description
Technical Field
The invention relates to the technical field of non-inflatable explosion-proof wheels, in particular to a prototype trial-manufacturing method of a non-inflatable explosion-proof wheel.
Background
The whole structure of the non-inflatable explosion-proof wheel adopts an integrated design of 'flexible wheel-hinge group-wheel hub' to solve the technical problems of buffer vibration reduction, large load bearing, rollover prevention stability, high-performance ground gripping and the like under the complex cross-country working condition of the wheel, and a series of deep researches are developed in the aspects of wheel modeling theory and analysis technology, key part material selection, single-wheel checking, test methods of accompanying test vehicle tests and the like.
The principle prototype manufacturing method for the traditional wheel is mature day by day, but the problem that the tire burst possibly occurs in the traditional wheel is always a part of obstacles on the development path of special-purpose vehicles. The occurrence of the non-inflatable explosion-proof wheel is the root of the problem of tire burst in structure. However, the design process of the non-inflatable explosion-proof wheel is realized by repeated design-calculation-test, and the defects of material waste, insufficient design and development efficiency and the like exist. After the design is completed, a mature principle prototype trial method is not available, and it is difficult to perform a full-scale test and a further mass production plan.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides a trial-manufacturing method of a prototype of a non-inflatable explosion-proof wheel, the prototype of the principle of the non-inflatable explosion-proof wheel is manufactured according to the full size of 1: 1, and the problems of clearance fit between a moving part and a fixed structure in the wheel, assembly clearance between the wheel and a vehicle, human-machine engineering coordination and the like are mainly solved. And verifying whether the parts meet various indexes of the project by using a principle prototype.
The whole structure of the non-inflatable explosion-proof wheel adopts an integrated design of 'flexible wheel-hinge group-hub', and the non-inflatable explosion-proof wheel consists of the flexible wheel, the hinge group and the hub from outside to inside in sequence. The wheel hubs are correspondingly connected and fixed through a plurality of hinge groups arranged in the radial direction and hung among the wheels. The main aim of trial production of the wheel hub is to ensure the reliability of the wheel hub under the action of alternating force, avoid the occurrence of fatigue failure and simultaneously adopt light materials as far as possible; the key point of the trial production of the hinge group is to solve the problems of the arrangement form and the number of the hinge group, and the clearance fit of a bolt-hinge and a hinge-hinge is considered so as to reduce unnecessary load impact and physical interference and also consider light weight; the wheel design has the key points that the damping performance of the rubber layer buffering is realized under the conditions of heat dissipation performance and weight reduction, the assembly design of the snap ring and the elastic ring is required to be safe and stable, and an integrated processing and manufacturing mode is used.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that:
a prototype trial-manufacturing method of a non-inflatable explosion-proof wheel comprises the steps of sequentially dividing a prototype of the non-inflatable explosion-proof wheel into three parts, namely a hub, hinge groups and a flexible wheel from inside to outside, wherein the hub is correspondingly connected and fixed through the hinge groups arranged in a plurality of radial directions and is hung between the flexible wheels; the trial-manufacturing method of the prototype specifically comprises the following steps:
step S1, the hub and the flexible wheel are fixedly connected through a plurality of hinge groups, the hinge groups are uniformly distributed along the circumference of the hub, each hinge group is composed of at least two sections of hinges, and each section of hinge is fixedly connected in sequence; two ends of the hinge group are respectively and fixedly connected with the hub disc and a clamping ring at the lower end of the flexible wheel;
step S2, the hanging wheels comprise a plurality of parallel elastic rings which uniformly penetrate through the clamping ring along the circumferential direction, and the elastic rings are formed by winding a plurality of steel wire ropes; the outer sides of the elastic ring and the clamping ring are wrapped with rubber buffer layers to form an outer tire; the outer tire comprises a tire tread, a steel cord fabric layer and a rubber buffer layer from outside to inside in sequence;
the preparation of the rubber in the rubber buffer layer adopts a semi-effective vulcanization system, and firstly, carbon black, calcium carbonate and silicon powder are added into the rubber of the buffer layer, so that the durability of the finished wheel is improved, the delamination phenomenon is reduced, and the service life of the tire is prolonged; then, modifying the surface of the buffer layer rubber by using nano zinc oxide; and chemically modifying the internal structure of the nano zinc oxide, drying and dispersing the powder into the buffer layer rubber, and mixing to finally obtain the required buffer layer rubber.
Step S3, performing part trial production according to the part assembling party in the steps S1-S2, and analyzing the part performance and further optimizing and verifying by combining software and a sample trial production test means; after the design of the parts is finished, further assembly verification is carried out, and the reasonability of assembly of the parts is ensured by comparing the overall design target; and (4) according to the standard technical indexes, further improving and optimizing the assembly scheme of the parts, and finally completing the trial production of the non-inflatable wheel principle prototype.
Further, in the step S2, the steel cord layer includes at least 2 layers of steel cord, and the end points of the two ends are wrapped by using the edge wrapping rubber to avoid the pattern turning points of the tread rubber; selecting a round section steel wire cord with the diameter of 5mm as a wheel buffer layer framework material of the wheel type vehicle; the calendering thickness of the steel wire cord layer is 10-20% of the distance between the upper end of the snap ring and the tire tread, and the calendering density of the steel wire connecting line is 48 multiplied by 10cm-1The above.
Has the advantages that:
the invention provides a trial-manufacturing method of a prototype of a non-inflatable explosion-proof wheel, which solves the problems of clearance fit between a moving part and a fixed structure in the wheel, assembly clearance between the wheel and a vehicle, man-machine coordination and the like. And verifying whether the parts meet various indexes of the project by using a prototype. The trial-manufacture hub ensures the reliability under the action of alternating force, avoids the occurrence of fatigue failure phenomenon and simultaneously adopts light materials as far as possible. The trial-manufacture hinge group solves the problems of arrangement form and number, and the clearance fit of the bolt-hinge and the hinge-hinge is considered, so that unnecessary load impact and physical interference are reduced, and light weight is taken into consideration. The trial-manufacture wheel can realize the improvement of rubber layer buffering damping performance, compromise heat dispersion and subtract heavy, require safety and stability to snap ring and elastic ring assembly design.
Drawings
FIG. 1 is a schematic diagram of a prototype non-inflatable explosion-proof wheel provided by the invention;
FIG. 2 is a cross-sectional view of the wheels of the non-inflatable explosion-proof wheel prototype provided by the present invention;
fig. 3 is a trial production flow chart of a prototype of the non-inflatable explosion-proof wheel provided by the invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the trial production method of the model machine of the non-inflatable explosion-proof wheel shown in the figure 1-2, the principle model machine of the non-inflatable explosion-proof wheel is manufactured according to the full size of 1: 1, and the problems of clearance fit between a moving part inside the wheel and a fixed structure, assembly clearance between the wheel and a vehicle, ergonomic coordination and the like are mainly solved. And verifying whether the parts meet various indexes of the project by using a principle prototype.
The whole structure of the non-inflatable explosion-proof wheel adopts an integrated design of 'flexible wheel-hinge group-hub', the flexible wheel, the hinge group and the hub are sequentially arranged from outside to inside, and the hub is correspondingly connected and fixed through a plurality of hinge groups arranged in the radial direction and is suspended between the flexible wheels. The main aim of trial production of the wheel hub is to ensure the reliability of the wheel hub under the action of alternating force, avoid the occurrence of fatigue failure and simultaneously adopt light materials as far as possible; the key point of the trial production of the hinge group is to solve the problems of the arrangement form and the number of the hinge group, and the clearance fit of a bolt-hinge and a hinge-hinge is considered so as to reduce unnecessary load impact and physical interference and also consider light weight; the wheel design has the key points that the damping performance of the rubber layer buffering is realized under the conditions of heat dissipation performance and weight reduction, the assembly design of the snap ring and the elastic ring is required to be safe and stable, and an integrated processing and manufacturing mode is used.
The trial production method is shown in fig. 3, and comprises the following steps:
step S1, as shown in FIG. 1, the hub and the flexible wheel are connected and fixed through a plurality of hinge sets, the hinge sets are uniformly distributed along the circumference of the hub, each hinge set is composed of at least two hinges, and each hinge is fixedly connected in sequence; two ends of the hinge group are respectively and fixedly connected with the hub disc and a clamping ring at the lower end of the flexible wheel;
step S2, the hanging wheels comprise a plurality of parallel elastic rings which uniformly penetrate through the clamping ring along the circumferential direction, and the elastic rings are formed by winding a plurality of steel wire ropes; the outer sides of the elastic ring and the clamping ring are wrapped with rubber buffer layers to form an outer tire; the outer tire comprises a tire tread, a steel cord fabric layer and a rubber buffer layer from outside to inside in sequence, as shown in figure 2. The steel cord fabric comprises at least 2 layers of steel cord fabrics, and the end points of the two ends are wrapped by using edge wrapping rubber to avoid pattern turning points of tread rubber; selecting a round section steel wire cord with the diameter of 5mm as a wheel buffer layer framework material of the wheel type vehicle; the calendering thickness of the steel wire cord layer is 10-20% of the distance between the upper end of the snap ring and the tire tread, and the calendering density of the steel wire connecting line is 48 multiplied by 10cm-1The above.
The preparation of the rubber in the rubber buffer layer adopts a semi-effective vulcanization system, and firstly, carbon black, calcium carbonate and silicon powder are added into the rubber of the buffer layer, so that the durability of the finished wheel is improved, the delamination phenomenon is reduced, and the service life of the tire is prolonged; then the characteristics of large specific surface area and strong activity of the nano zinc oxide are utilized to carry out modification treatment on the surface of the buffer layer rubber; and then, chemically modifying the internal structure of the nano zinc oxide, drying and dispersing the powder into the cushion rubber, and mixing, so that the high-speed wear resistance of the rubber product can be improved, and the cushion rubber meeting the requirements is finally obtained.
S3, trial manufacturing the parts according to the part assembling party in the steps S1-S2, developing according to a standard product development process PACE, integrating national, industrial and enterprise standards, considering factors such as processing and manufacturing difficulty, cost, working condition requirements, size indexes, light weight and the like, and screening an optimal design; after the design scheme is determined, the performance of the parts is analyzed and further optimized and verified by combining means such as software, sample trial-manufacturing test and the like. And after the design of the parts is finished, further assembling verification is carried out, the overall design target is compared, the reasonability of the assembling combination of the parts is ensured, the technical indexes are calibrated, the assembling scheme of the parts is further improved and optimized, and finally the trial production of the non-inflatable wheel principle prototype is finished.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (2)
1. A trial-manufacturing method of a prototype of a non-inflatable explosion-proof wheel is characterized in that the prototype of the non-inflatable explosion-proof wheel is sequentially divided into three parts, namely a hub, a hinge group and a wheel, from inside to outside, wherein the hub is correspondingly connected and fixed through a plurality of hinge groups arranged in the radial direction and is hung between the wheels; the trial-manufacturing method of the prototype specifically comprises the following steps:
step S1, the hub and the flexible wheel are fixedly connected through a plurality of hinge groups, the hinge groups are uniformly distributed along the circumference of the hub, each hinge group is composed of at least two sections of hinges, and each section of hinge is fixedly connected in sequence; two ends of the hinge group are respectively and fixedly connected with the hub disc and a clamping ring at the lower end of the flexible wheel;
step S2, the hanging wheels comprise a plurality of parallel elastic rings which uniformly penetrate through the clamping ring along the circumferential direction, and the elastic rings are formed by winding a plurality of steel wire ropes; the outer sides of the elastic ring and the clamping ring are wrapped with rubber buffer layers to form an outer tire; the outer tire comprises a tire tread, a steel cord fabric layer and a rubber buffer layer from outside to inside in sequence;
the preparation of the rubber in the rubber buffer layer adopts a semi-effective vulcanization system, and firstly, carbon black, calcium carbonate and silicon powder are added into the rubber of the buffer layer, so that the durability of the finished wheel is improved, the delamination phenomenon is reduced, and the service life of the tire is prolonged; then, modifying the surface of the buffer layer rubber by using nano zinc oxide; and chemically modifying the internal structure of the nano zinc oxide, drying and dispersing the powder into the buffer layer rubber, and mixing to finally obtain the required buffer layer rubber.
Step S3, performing part trial production according to the part assembling party in the steps S1-S2, and analyzing the part performance and further optimizing and verifying by combining software and a sample trial production test means; after the design of the parts is finished, further assembly verification is carried out, and the reasonability of assembly of the parts is ensured by comparing the overall design target; and (4) according to the standard technical indexes, further improving and optimizing the assembly scheme of the parts, and finally completing the trial production of the non-inflatable wheel principle prototype.
2. A trial-manufacturing method for a prototype of a non-inflatable explosion-proof wheel as claimed in claim 1, wherein the steel cord layer in step S2 comprises at least 2 layers of steel cord fabric, and the end points at the two ends are wrapped by using edge-wrapping rubber to avoid pattern turning points of tread rubber; selecting a round section steel wire cord with the diameter of 5mm as a wheel buffer layer framework material of the wheel type vehicle; the calendering thickness of the steel wire cord layer is 10-20% of the distance between the upper end of the snap ring and the tire tread, and the calendering density of the steel wire connecting line is 48 multiplied by 10cm-1The above.
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| CN202110280233.1A CN113071265A (en) | 2021-03-16 | 2021-03-16 | Prototype trial-manufacturing method of non-inflatable explosion-proof wheel |
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| CN202110280233.1A CN113071265A (en) | 2021-03-16 | 2021-03-16 | Prototype trial-manufacturing method of non-inflatable explosion-proof wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523808A (en) * | 2022-01-26 | 2022-05-24 | 东风柳州汽车有限公司 | Tire assembling counter point device, tire assembling counter point control method and control device |
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Application publication date: 20210706 |
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