CN117818117A - Umbrella-shaped supporting device for bias tire embryo - Google Patents
Umbrella-shaped supporting device for bias tire embryo Download PDFInfo
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- CN117818117A CN117818117A CN202311775168.5A CN202311775168A CN117818117A CN 117818117 A CN117818117 A CN 117818117A CN 202311775168 A CN202311775168 A CN 202311775168A CN 117818117 A CN117818117 A CN 117818117A
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- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000011156 evaluation Methods 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 26
- 238000004088 simulation Methods 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 238000007142 ring opening reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000011324 bead Substances 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 230000001687 destabilization Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010092 rubber production Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention provides an umbrella-shaped supporting device for a bias tire embryo, which comprises the following components: the upper end of the base is fixedly connected with an adjusting rod, the upper end of the adjusting rod is connected with a supporting rod adjusting seat, the supporting rod seat is sleeved outside the supporting rod adjusting seat in an up-down sliding manner, and the supporting rod seat is connected with the supporting rod adjusting seat through a detachable limiting piece for limiting; the support assemblies are arranged at intervals along the peripheral side of the support rod seat; the support assembly includes: the support rod comprises a support rod and a connecting rod, wherein one end of the support rod is hinged with a support rod seat, the inner side of the support rod is fixedly connected with the connecting rod seat, one end of the connecting rod is hinged with the connecting rod seat, the other end of the connecting rod is hinged with a support rod adjusting seat, and one end of the support rod outwards is fixedly connected with a support bracket. The supporting device can meet the use requirements of different heights and various inch specifications, is convenient to operate on site, can effectively reduce the number of site tools, increases the contact area of the bead opening part in the use process, can reduce the deformation of the bead opening part, and avoids the quality problem of the bead opening of the finished wheel.
Description
Technical Field
The invention relates to the technical field of rubber production, in particular to an umbrella-shaped supporting device for a bias tire embryo.
Background
Bias tires (bias tires) are also known as tires of conventional construction. A pneumatic tire in which the carcass ply and the adjacent ply cords of the breaker ply intersect and are aligned at an angle of less than 90 ℃ to the tread center line. The tyre has good longitudinal rigidity and is suitable for running at medium speed on common road surface. The existing bias crown pattern has low ground grabbing capability, is easy to clamp stones, has larger rolling resistance and has larger running noise.
At present, the vertical storage mode of the bias tire blank uses more storage modes: the natural storage state (no-support state) and the state of being supported by two support rods lead to the deformation of the embryo in the storage process, and the vulcanization and the die filling are difficult.
Disclosure of Invention
The invention provides an umbrella-shaped supporting device for a bias tire blank, which is used for solving the problem of vertical storage of the conventional bias tire blank in the background technology.
In order to solve the technical problems, the invention discloses an umbrella-shaped supporting device for a bias tire embryo, which comprises:
the upper end of the base is fixedly connected with an adjusting rod, the upper end of the adjusting rod is connected with a supporting rod adjusting seat, the supporting rod seat is sleeved outside the supporting rod adjusting seat in an up-down sliding manner, and the supporting rod seat is connected with the supporting rod adjusting seat through a detachable limiting piece for limiting;
the support assemblies are arranged at intervals along the peripheral side of the support rod seat;
the support assembly includes: the support rod comprises a support rod and a connecting rod, wherein one end of the support rod is hinged with a support rod seat, the inner side of the support rod is fixedly connected with the connecting rod seat, one end of the connecting rod is hinged with the connecting rod seat, the other end of the connecting rod is hinged with a support rod adjusting seat, and one end of the support rod outwards is fixedly connected with a support bracket.
Preferably, one end of the connecting rod is hinged with the connecting rod seat through a connecting pin, and the other end of the connecting rod is hinged with the supporting rod adjusting seat through a connecting pin.
Preferably, the detachable limiting piece is a positioning pin, a plurality of first positioning holes are formed in the supporting rod adjusting seat at intervals up and down, a second positioning hole is formed in the supporting rod seat, and the positioning pin is connected with the second positioning hole and the corresponding first positioning hole.
Preferably, the adjusting rod is a telescopic rod.
Preferably, the shape and the size of the support bracket are designed according to the shape of the ring opening of the bias tire blank, so that the matching degree with the actual size of the ring opening is improved.
Preferably, the adjusting lever includes: the first body of rod, the second body of rod that from the top down set gradually, first body of rod upper portion sets up first external screw thread, and first body of rod lower part sets up the second external screw thread, and bracing piece adjustment seat lower part sets up first internal screw thread with first external screw thread complex, and second body of rod upper portion sets up the second internal screw thread with second external screw thread complex.
Preferably, the apparatus further comprises an evaluation device including:
a plurality of force sensors are arranged on the supporting bracket at the contact part of the supporting bracket and the bias tire blank;
the strain sensor is connected to the surface of the support rod to measure the strain of the support rod;
a plurality of distance sensors, wherein a distance sensor is arranged under the support bracket on the inner side of each support rod and used for detecting the vertical distance between the position of each support rod and the upper end of the base;
control assembly, first alarm, control assembly respectively with force transducer, strain sensor, distance sensor, first alarm electricity are connected, control assembly is based on force transducer, strain sensor, distance sensor control first alarm warning, include:
step S1: placing a bias tire blank of a target parameter in a bias tire blank umbrella-shaped supporting device, controlling a force sensor, a strain sensor and a distance sensor to work after the placement is completed, firstly summing actual detection values of the force sensors on all supporting brackets, determining the supporting bracket with the sum of the actual detection values of the force sensors being more than or equal to a corresponding first preset threshold value as a target supporting bracket, and acquiring an actual supporting instability coefficient based on the force sensor, the strain sensor and the distance sensor corresponding to the target supporting bracket; the target parameters include: target weight, target size;
step S2: when the actual support instability coefficient is larger than or equal to a corresponding second preset threshold value, controlling the first alarm to alarm; and when the actual support instability coefficient is smaller than a corresponding second preset threshold value, classifying the umbrella-shaped supporting devices of the bias tire embryo according to the preset actual support instability coefficient-a bias tire embryo parameter table capable of supporting.
Preferably, the lower end of the base is detachably connected with the application environment simulation device, and the evaluation device further comprises: the evaluation module, the evaluation module includes:
the acquisition unit is used for acquiring the type of the supporting environment which is currently required to be applied by the current bias tire embryo umbrella-shaped supporting device; connecting the current bias embryo umbrella-shaped supporting device with an environment simulation device corresponding to the supporting environment which is required to be applied at present for simulation application, controlling a force sensor, a strain sensor and a distance sensor to detect for a plurality of times in the simulation application process, and calculating the actual supporting instability coefficient after each detection based on a control component;
the calculating unit is used for calculating the final evaluation coefficient of the current bias embryo umbrella-shaped supporting device;
y is the final evaluation coefficient of the current bias embryo umbrella-shaped supporting device, max represents the maximum value, W r The method comprises the steps that the actual support instability coefficient corresponding to the r-th detection in the current simulation application of the current bias tire embryo umbrella-shaped supporting device is set, e is a natural constant, and M is the total number of sensors with detection value changes in the current simulation application of the current bias tire embryo umbrella-shaped supporting device; a is that g Detecting value in current simulation application of current bias embryo umbrella-shaped supporting deviceMaximum change value of h sensor of change, A g0 Is A g Maximum allowable change value of alpha g Is A g Equivalent to A g0 The influence coefficient of the deviation direction of the whole supporting device on the instability; t (T) g The number of changes of the h sensor for detecting value changes in the current simulation application of the current bias embryo umbrella-shaped supporting device; beta g Evaluating coefficients for the number of times;
and the second alarm is used for controlling the second alarm to alarm when the final evaluation coefficient of the current bias tire embryo umbrella-shaped supporting device is larger than or equal to a corresponding fourth preset threshold value.
Compared with the prior art, the invention has the beneficial effects that:
1. the operation requirements of different heights and various inch specifications can be met, the operation is convenient on site, and the number of site tools can be effectively reduced.
2. The shape, the size and the like of the support bracket contacted with the bead opening part are designed according to a blank real object, so that the deformation of the bead opening part can be reduced, and the quality problem of the bead opening of the finished wheel is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of an open rear side view of the present invention;
FIG. 2 is a schematic diagram of a closed rear side view of the present invention;
FIG. 3 is an open top view of the present invention;
in the figure: 1. a base; 2. an adjusting lever; 3. a support rod seat; 4. a support rod; 5. a connecting rod seat; 6. a connecting rod; 7. a support rod adjusting seat; 8. a connecting pin; 9. a positioning pin; 10. a support bracket; 11. a first rod body; 12. and a second rod body.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples
Example 1
The embodiment of the invention provides an umbrella-shaped supporting device for a bias tire embryo, which is shown in figures 1-3 and comprises:
the device comprises a base 1, an adjusting rod 2 is fixedly connected to the upper end of the base 1, a supporting rod adjusting seat 7 is connected to the upper end of the adjusting rod 2, a supporting rod seat 3 is sleeved outside the supporting rod adjusting seat 7 in a vertically sliding manner, and the supporting rod seat 3 is connected and limited with the supporting rod adjusting seat 7 through a detachable limiting piece;
the support assemblies are arranged at intervals along the peripheral side of the support rod seat 3;
the support assembly includes: the support rod 4, connecting rod 6, the bracing piece 4 one end is articulated with bracing piece seat 3, and bracing piece 4 inboard fixed connection connecting rod seat 5, connecting rod 6 one end are articulated with connecting rod seat 5, and the connecting rod 6 other end is articulated with bracing piece adjustment seat 7, and bracing piece 4 outwards one end fixedly connected with support bracket 10.
Preferably, one end of the connecting rod 6 is hinged with the connecting rod seat 5 through a connecting pin 8, and the other end of the connecting rod 6 is hinged with the supporting rod adjusting seat 7 through the connecting pin 8.
Preferably, the detachable limiting piece is a positioning pin 9, a plurality of first positioning holes are formed in the supporting rod adjusting seat 7 at intervals up and down, a second positioning hole is formed in the supporting rod seat 3, and the positioning pin 9 is connected with the second positioning hole and the corresponding first positioning hole.
Preferably, the adjusting lever 2 is a telescopic lever.
Preferably, the shape and size of the support bracket 10 are designed according to the shape of the diagonal embryo ring opening, so that the matching degree with the actual size of the ring opening is improved. The oblique-crossing tire blank is sleeved on the supporting rod adjusting seat 7, and the lower end of the horizontal circumference side of the oblique-crossing tire blank is supported on different supporting brackets 10;
preferably, the adjustment lever 2 includes: the first body of rod 11, the second body of rod 12 that from the top down set gradually, first body of rod 11 upper portion sets up first external screw thread, and first body of rod 11 lower part sets up the second external screw thread, and bracing piece adjustment seat 7 lower part sets up first internal screw thread with first external screw thread complex, and second body of rod 12 upper portion sets up the second internal screw thread with second external screw thread complex.
The working principle and beneficial effects of the technical scheme are as follows:
(1) The base 1 is fixed on the ground or other support platforms, a stable support of the whole structure is provided, the adjusting rod 2 is fixedly connected with the base 1, left-handed threads and right-handed threads are respectively processed at two ends of the adjusting rod 2, the adjusting efficiency is improved on the basis of meeting the requirement of the connecting strength, the height and angle adjustment of the supporting rod 4 and the supporting bracket 10 can be realized by adjusting the position of the supporting rod adjusting seat 7, the use working requirements of different specifications and different heights are met, and the working efficiency is improved;
(2) When the bias tire embryo is required to be supported and installed, the height of the supporting rod adjusting seat 7 is adjusted through the adjusting rod 2, so that the height of the supporting component is adjusted to meet different supporting height requirements;
(3) When the bias tire blank is required to be supported and installed, the support rod seat 3 and the support component are driven to synchronously move downwards, the support rod seat 3 can be adjusted in height on the support rod adjusting seat 7 through the detachable limiting piece, and the support component is in an open state (shown in figure 1) at the moment, so that the bias tire blank is convenient to install and support; and the height of the support rod seat 3 on the support rod adjusting seat 7 can be adjusted, so that the distance between the support brackets 10 is changed to meet the support of the bias tire blanks with different sizes.
(4) When the oblique-crossing tire embryo is not required to be supported and installed, the supporting rod seat 3 and the supporting component are driven to synchronously move upwards, the supporting rod seat 3 can be adjusted in height on the supporting rod adjusting seat 7 through the detachable limiting piece, and at the moment, the supporting component is in a contracted state (as shown in fig. 2), so that the umbrella-shaped supporting device of the oblique-crossing tire embryo can be conveniently stored and placed;
through the method, the supporting device can meet the use requirements of different heights and various inch specifications, is convenient to operate on site, can effectively reduce the number of site tools, increases the contact area of the bead opening part in the use process, can reduce the deformation of the bead opening part, and avoids the quality problem of the bead opening of the finished tire.
Compared with the prior art, the invention has the following advantages:
1. the umbrella-shaped supporting device can meet the use requirements of different heights and various inch and mouth specifications, is shown in the figure 1, is convenient to operate on site, and can effectively reduce the number of site tools;
2. the umbrella-shaped supporting device is designed to contact with the bead opening part to support the shape, the size and the like of the bracket according to a tire blank object, and can achieve the effects of reducing deformation of the bead opening part and avoiding quality problems of the bead opening of a finished tire.
Embodiment 2, on the basis of embodiment 1, further comprises an evaluation device, the evaluation device comprising:
a plurality of force sensors are arranged on the part, which is contacted with the bias tire blank, of the support bracket 10;
the strain sensor is connected to the surface of the support rod 4 to measure the strain of the support rod 4;
a plurality of distance sensors, wherein the inner side (corresponding to the lower end of the supporting rod 4 in fig. 1) of each supporting rod 4 is positioned right below the supporting bracket 10, and the distance sensors are used for detecting the vertical distance between the position of each distance sensor and the upper end of the base 1;
control assembly, first alarm, control assembly respectively with force transducer, strain sensor, distance sensor, first alarm electricity are connected, control assembly is based on force transducer, strain sensor, distance sensor control first alarm warning, include:
step S1: placing a target parameter bias tire blank on a bias tire blank umbrella-shaped supporting device (the bias tire blank of the target parameter is a preset parameter used for testing corresponding to the supporting capacity of the current bias tire blank umbrella-shaped supporting device), controlling a force sensor, a strain sensor and a distance sensor to work after the placement is completed, firstly summing actual detection values of the force sensors on each supporting bracket 10, determining the supporting bracket 10 with the sum of the actual detection values of the force sensors being greater than or equal to a corresponding first preset threshold value as a target supporting bracket 10, and acquiring an actual supporting instability coefficient based on the force sensor, the strain sensor and the distance sensor corresponding to the target supporting bracket (10); the target parameters include: target weight, target size;
step S2: when the actual support instability coefficient is larger than or equal to a corresponding second preset threshold value, controlling the first alarm to alarm; and when the actual support instability coefficient is smaller than a corresponding second preset threshold value, classifying the umbrella-shaped supporting devices of the bias tire embryo according to the preset actual support instability coefficient-a bias tire embryo parameter table capable of supporting.
Preferably, the actual support instability coefficient is based on a force sensor, a strain sensor and a distance sensor according to the following formula;
w is the actual support instability coefficient; n is the total number of target support brackets 10, F h Is the sum of the actual detection values of all force sensors on the h-th target support bracket 10, F h0 Is F h A corresponding third preset threshold; h h Actual detection value of the distance sensor for the h-th target support bracket 10; h h0 Is H h Corresponding initial theoretical values; h h1 Is H h0 -H h A corresponding preset allowable threshold; mu (mu) h1 An influence coefficient (a value of more than 0 and less than 1) of the destabilization of the entire bias-tire embryo umbrella-shaped supporting device for the downward movement of the h-th target supporting bracket 10; b (B) h Support bracket 10 for the h-th targetThe distances between the centers of all force sensors whose actual detection values are greater than 0 and the center of the h-th target support bracket 10; b (B) h0 Support brackets 10 and B for the h-th target h Corresponding initial theoretical values; b (B) h1 Is the width of the h-th target support bracket 10; g h Maximum detection value of the force sensor for the h-th target support bracket 10; l (L) h Is G h The distance of the corresponding force sensor from the center of gravity of the h-th target support bracket 10, G h0 Is G h Corresponding hazard values; mu (mu) h2 The coefficient of influence (the value is more than 0 and less than 1) of the instability of the umbrella-shaped supporting device of the whole bias tire embryo caused by the abnormal supporting force distribution of the h-th target supporting bracket 10; l (L) h0 Is G h Is G h0 A dangerous distance from the center of gravity of the h target support brackets 10; k (K) h The influence coefficient of the moment on the instability of the umbrella-shaped supporting device of the whole bias tire embryo is taken as a value which is more than 0 and less than 1; d (D) h For the actual strain of the support rod 4 corresponding to the h target support bracket 10 detected by the strain sensor, the influence coefficient of the destabilization of the oblique-crossing embryo umbrella-shaped support device is obtained by inquiring according to a preset table, and the value is more than 0 and less than 1.
The beneficial effects of the technical scheme are as follows: when the tire is supported for a long time by using the supporting device, firstly, detecting the current supporting performance of the supporting device (static state does not consider application detection) to obtain an actual supporting performance evaluation parameter (actual supporting instability coefficient);
specific: (1) When the placement is finished, controlling the force sensor, the strain sensor and the distance sensor to work, firstly summing the actual detection values of the force sensors on the support brackets 10, and determining the support bracket 10 with the sum of the actual detection values of the force sensors being more than or equal to the corresponding first preset threshold value as a target support bracket 10; firstly, the support bracket 10 (target support bracket 10) with larger actual bearing capacity and easy inclination and instability is determined, the support bracket 10 with larger actual bearing capacity and easy inclination and instability is selected as the evaluation basis of the support performance, so that the calculation of all support brackets 10 is avoided, and the calculation amount is reduced;
(2) The method is based on the following steps: support with larger actual bearing capacity and easy inclination instabilityThe state of stress of the bracket 10And tilt state->And a radially offset position state->Contribution coefficient D of corresponding support rod 4 to instability of bias embryo umbrella-shaped support device h The method comprises the steps of carrying out a first treatment on the surface of the The actual supporting performance is comprehensively evaluated, and the evaluation is reliable;
(3) When the actual support instability coefficient is larger than or equal to a corresponding second preset threshold value, controlling the first alarm to alarm, and reminding maintenance;
(4) And when the actual support instability coefficient is smaller than a corresponding second preset threshold value, classifying the umbrella-shaped supporting devices of the bias tires according to the preset actual support instability coefficient-the bias tire embryo parameter table capable of being supported, and storing the supporting devices with similar supporting performance in a classified manner according to the classification result so as to support the same batch of tires according to the supporting performance.
Embodiment 3, on the basis of embodiment 2, the lower end of the base 1 is detachably connected with the application environment simulation device, and the evaluation device further includes: the evaluation module, the evaluation module includes:
the acquisition unit is used for acquiring the type of the supporting environment which is currently required to be applied by the current bias tire embryo umbrella-shaped supporting device; connecting the current bias embryo umbrella-shaped supporting device with an environment simulation device corresponding to the supporting environment which is required to be applied at present for simulation application, controlling a force sensor, a strain sensor and a distance sensor to detect for a plurality of times in the simulation application process, and calculating the actual supporting instability coefficient after each detection based on a control component;
the calculating unit is used for calculating the final evaluation coefficient of the current bias embryo umbrella-shaped supporting device;
y is the final evaluation coefficient of the current bias embryo umbrella-shaped supporting device, max represents the maximum value, W r The method comprises the steps that the actual support instability coefficient corresponding to the r-th detection in the current simulation application of the current bias tire embryo umbrella-shaped supporting device is set, e is a natural constant, and M is the total number of sensors with detection value changes in the current simulation application of the current bias tire embryo umbrella-shaped supporting device; a is that g Maximum change value of h sensor for detecting value change in current simulation application of current bias embryo umbrella-shaped supporting device, A g0 Is A g Maximum allowable change value of alpha g Is A g Equivalent to A g0 The influence coefficient (the value is more than 0 and less than 1) of the deviation direction of the whole supporting device on the instability of the whole supporting device; t (T) g The number of changes of the h sensor for detecting value changes in the current simulation application of the current bias embryo umbrella-shaped supporting device; beta g Evaluating the coefficient for the times (the value is more than 0 and less than 1);
and the second alarm is used for controlling the second alarm to alarm when the final evaluation coefficient of the current bias tire embryo umbrella-shaped supporting device is larger than or equal to a corresponding fourth preset threshold value.
The above is an evaluation of the dynamic consideration application, which can be re-evaluated based on the above classification.
The beneficial effects of the technical scheme are as follows: the umbrella-shaped supporting device of the bias tire embryo can be supported on a conveyor for conveying tires, and can be supported in application environments with different vibration states;
when the supporting device is used for supporting the tire for a long time, a corresponding application environment simulation device is selected according to the application environment requirement of the current supporting device, the instability state (final evaluation coefficient) of the current supporting device when the current supporting device is positioned in the corresponding application environment simulation device is simulated, the final evaluation coefficient of the current bias tire embryo umbrella-shaped supporting device is larger than or equal to a corresponding fourth preset threshold value, and the control component controls the second alarm to alarm so as to remind that the current supporting device cannot meet the current application requirement and needs to be adjusted; and other supporting devices which affect the same application environment due to instability of the current supporting device caused by the fact that the detection is not carried out are avoided.
Embodiment 4, on the basis of any one of embodiments 1 to 3, the support bracket is detachably connected with a support pad, and the bias embryo umbrella-shaped support device further comprises a prompting device, wherein the prompting device comprises:
the first acquisition module is used for acquiring parameters of the support pad, wherein the parameters of the support pad comprise: surface roughness of the support pad, elastic modulus of the support pad;
the second obtaining module is used for obtaining parameters of the bias tire blank to be supported, wherein the parameters of the bias tire blank comprise: the friction coefficient between the bias tire blank to be supported and the supporting pad, the theoretical pressure between the bias tire blank to be supported and the supporting pad, and the elastic modulus of the bias tire blank to be supported; a target adhesion coefficient between the bias tire blank to be supported and the support pad;
the first calculation module is used for calculating a theoretical adhesion coefficient between the bias tire blank to be supported and the support pad; when the theoretical adhesion coefficient between the bias tire blank to be supported and the support pad meets the preset adhesion coefficient range of the bias tire blank to be supported, selecting the corresponding support pad to support the bias tire blank to be supported;
delta represents the theoretical adhesion coefficient between the current bias embryo and the support bracket 10, mu represents the friction coefficient between the bias embryo and the support pad, F represents the theoretical pressure between the bias embryo and the bias embryo to the support pad (the current bias embryo gravity and the current bias embryo posture on the corresponding support device), z i The roughness value of the ith measuring point of the supporting pad is represented, N1 is the total number of measuring points of the supporting pad, E1 and E2 are the elastic modulus of a tire blank to be supported and the supporting pad respectively, and alpha and beta are a first adjusting coefficient and a second adjusting coefficient (the values are respectively more than 0 and less than 1); f is an oblique crossing tire to be supportedDangerous friction force is preset for the tire blank (according to the contact area of the current bias tire blank and the supporting pad, the gravity of the current bias tire blank and the posture of the current bias tire blank on the corresponding supporting device are corresponding).
The beneficial effects of the technical scheme are as follows: according to parameters of the supporting pad, parameters of the bias tire blank to be supported (friction coefficient between the bias tire blank to be supported and the supporting pad, theoretical pressure between the bias tire blank to be supported and the supporting pad, elastic modulus of the bias tire blank to be supported and preset dangerous friction force), determining a theoretical adhesion coefficient between the bias tire blank and the supporting pad, selecting a supporting pad for supporting the bias tire blank to be supported (preset adhesion coefficient range), and guaranteeing stability of the whole device.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An umbrella-shaped supporting device for a bias tire embryo, which is characterized by comprising:
the device comprises a base (1), wherein the upper end of the base (1) is fixedly connected with an adjusting rod (2), the upper end of the adjusting rod (2) is connected with a supporting rod adjusting seat (7), a supporting rod seat (3) is sleeved outside the supporting rod adjusting seat (7) in an up-down sliding manner, and the supporting rod seat (3) is connected with the supporting rod adjusting seat (7) through a detachable limiting piece for limiting;
the support assemblies are arranged at intervals along the peripheral side of the support rod seat (3);
the support assembly includes: the support rod comprises a support rod (4) and a connecting rod (6), wherein one end of the support rod (4) is hinged with a support rod seat (3), the inner side of the support rod (4) is fixedly connected with a connecting rod seat (5), one end of the connecting rod (6) is hinged with the connecting rod seat (5), the other end of the connecting rod (6) is hinged with a support rod adjusting seat (7), and one outward end of the support rod (4) is fixedly connected with a support bracket (10).
2. An bias ply green tire umbrella-shaped support device as claimed in claim 1, wherein: one end of the connecting rod (6) is hinged with the connecting rod seat (5) through a connecting pin (8), and the other end of the connecting rod (6) is hinged with the supporting rod adjusting seat (7) through the connecting pin (8).
3. An bias ply green tire umbrella-shaped support device as claimed in claim 1, wherein: the detachable limiting piece is a positioning pin (9), a plurality of first positioning holes are formed in the supporting rod adjusting seat (7) at intervals up and down, a second positioning hole is formed in the supporting rod seat (3), and the positioning pin (9) is connected with the second positioning hole and the corresponding first positioning hole.
4. An bias ply green tire umbrella-shaped support device as claimed in claim 1, wherein: the adjusting rod (2) is a telescopic rod.
5. An bias ply green tire umbrella-shaped support device as claimed in claim 1, wherein: the shape and the size of the support bracket (10) are designed according to the shape of the ring opening of the bias tire embryo, so that the matching degree with the actual size of the ring opening is improved.
6. The bias ply green tire umbrella-shaped support device of claim 4, wherein: the adjusting lever (2) includes: the first body of rod (11), second body of rod (12) that from the top down set gradually, first body of rod (11) upper portion sets up first external screw thread, and first body of rod (11) lower part sets up the second external screw thread, and bracing piece adjustment seat (7) lower part sets up first internal screw thread with first external screw thread complex, and second body of rod (12) upper portion sets up the second internal screw thread with second external screw thread complex.
7. The bias ply green umbrella support device of claim 1, further comprising an evaluation device comprising:
a plurality of force sensors are arranged on the supporting bracket (10) at the contact part of the supporting bracket and the bias tire blank;
the strain sensor is connected to the surface of the support rod (4) to measure the strain of the support rod (4);
a plurality of distance sensors, wherein the inner side of each supporting rod (4) is positioned under the supporting bracket (10), and the distance sensors are used for detecting the vertical distance between the position of each supporting rod and the upper end of the base (1);
control assembly, first alarm, control assembly respectively with force transducer, strain sensor, distance sensor, first alarm electricity are connected, control assembly is based on force transducer, strain sensor, distance sensor control first alarm warning, include:
step S1: placing a bias tire blank of a target parameter in a bias tire blank umbrella-shaped supporting device, controlling a force sensor, a strain sensor and a distance sensor to work after the placement is completed, firstly summing actual detection values of the force sensors on each supporting bracket (10), determining the supporting bracket (10) with the sum of the actual detection values of the force sensors being more than or equal to a corresponding first preset threshold value as a target supporting bracket (10), and acquiring an actual supporting instability coefficient based on the force sensor, the strain sensor and the distance sensor corresponding to the target supporting bracket (10); the target parameters include: target weight, target size;
step S2: when the actual support instability coefficient is larger than or equal to a corresponding second preset threshold value, controlling the first alarm to alarm; and when the actual support instability coefficient is smaller than a corresponding second preset threshold value, classifying the umbrella-shaped supporting devices of the bias tire embryo according to the preset actual support instability coefficient-a bias tire embryo parameter table capable of supporting.
8. The bias ply embryo umbrella-shaped supporting device according to claim 7, wherein the actual supporting instability coefficient is calculated based on a force sensor, a strain sensor and a distance sensor according to the following formula;
w is the actual support instability coefficient; n is the total number of target support brackets (10), F h For all force sensors on the h target support bracket (10)Sum of the detected values F h0 Is F h A corresponding third preset threshold; h h Actual detection values of the distance sensor for the h-th target support bracket (10); h h0 Is H h Corresponding initial theoretical values; h h1 Is H h0 -H h A corresponding preset allowable threshold; mu (mu) h1 An influence coefficient of instability of the whole bias embryo umbrella-shaped supporting device for the downward movement of the h target supporting bracket (10); b (B) h The distance between the center of all force sensors with actual detection values of force sensors of the h target support bracket (10) being larger than 0 and the center of the h target support bracket (10); b (B) h0 For the h target support brackets (10) and B h Corresponding initial theoretical values; b (B) h1 Is the width of the h target support bracket (10); g h A maximum detection value of a force sensor for the h-th target support bracket (10); l (L) h Is G h The distance between the corresponding force sensor and the center of gravity of the h target support bracket (10), G h0 Is G g Corresponding hazard values; mu (mu) g2 The influence coefficient of abnormal supporting force distribution of the h target supporting bracket (10) on the instability of the whole bias embryo umbrella-shaped supporting device is given; l (L) h0 Is G h Is G h0 A dangerous distance from the center of gravity of the h target support brackets (10); k (K) h The influence coefficient of the moment on the instability of the umbrella-shaped supporting device of the whole bias tire embryo is; d (D) h The actual strain of the support rod (4) corresponding to the h target support bracket (10) detected by the strain sensor.
9. An umbrella-shaped supporting device for a bias tire blank according to claim 8,
the lower extreme of base (1) is connected with application environment analogue means can be dismantled, and evaluation device still includes: the evaluation module, the evaluation module includes:
the acquisition unit is used for acquiring the type of the supporting environment which is currently required to be applied by the current bias tire embryo umbrella-shaped supporting device; connecting the current bias embryo umbrella-shaped supporting device with an environment simulation device corresponding to the supporting environment which is required to be applied at present for simulation application, controlling a force sensor, a strain sensor and a distance sensor to detect for a plurality of times in the simulation application process, and calculating the actual supporting instability coefficient after each detection based on a control component;
the calculating unit is used for calculating the final evaluation coefficient of the current bias embryo umbrella-shaped supporting device;
y is the final evaluation coefficient of the current bias embryo umbrella-shaped supporting device, max represents the maximum value, W r The method comprises the steps that the actual support instability coefficient corresponding to the r-th detection in the current simulation application of the current bias tire embryo umbrella-shaped supporting device is set, e is a natural constant, and M is the total number of sensors with detection value changes in the current simulation application of the current bias tire embryo umbrella-shaped supporting device; a is that g Maximum change value of h sensor for detecting value change in current simulation application of current bias embryo umbrella-shaped supporting device, A g0 Is A g Maximum allowable change value of alpha g Is A g Equivalent to A g0 The influence coefficient of the deviation direction of the whole supporting device on the instability; t (T) g The number of changes of the h sensor for detecting value changes in the current simulation application of the current bias embryo umbrella-shaped supporting device; beta g Evaluating coefficients for the number of times;
and the second alarm is controlled by the control component to alarm when the final evaluation coefficient of the current bias tire embryo umbrella-shaped supporting device is larger than or equal to a corresponding fourth preset threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311775168.5A CN117818117A (en) | 2023-12-21 | 2023-12-21 | Umbrella-shaped supporting device for bias tire embryo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311775168.5A CN117818117A (en) | 2023-12-21 | 2023-12-21 | Umbrella-shaped supporting device for bias tire embryo |
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| Publication Number | Publication Date |
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| CN117818117A true CN117818117A (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311775168.5A Pending CN117818117A (en) | 2023-12-21 | 2023-12-21 | Umbrella-shaped supporting device for bias tire embryo |
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| Country | Link |
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| CN (1) | CN117818117A (en) |
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- 2023-12-21 CN CN202311775168.5A patent/CN117818117A/en active Pending
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