CN116183107B - Brake disc balance test equipment - Google Patents
Brake disc balance test equipment Download PDFInfo
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- CN116183107B CN116183107B CN202310473452.0A CN202310473452A CN116183107B CN 116183107 B CN116183107 B CN 116183107B CN 202310473452 A CN202310473452 A CN 202310473452A CN 116183107 B CN116183107 B CN 116183107B
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 12
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses brake disc balance test equipment, which comprises a workbench and a balance test instrument for detecting the balance of a brake disc, wherein a positioning block is rotationally arranged on the upper side of the workbench, an expansion sleeve assembly for installing the brake disc is arranged on the positioning block, a central hole of the brake disc is sleeved on the expansion sleeve assembly, the expansion sleeve assembly comprises a disc arranged on the positioning block, a plurality of groups of sliding grooves are arranged along the radius direction of the disc, sliding blocks are arranged in the sliding grooves in a sliding manner, the sliding blocks do relative motion along the central point of the disc, and a positioning plate is arranged on the upper side of the sliding blocks; according to the invention, the sliding block is arranged in the disc in a sliding manner, and the synchronous movement of the sliding block is realized through the rotating block, so that the sliding block slides towards the edge direction of the disc until the positioning plate is propped against the inner wall of the central hole of the brake disc, the fixation of the brake disc is realized, and compared with the metal fatigue deformation of the existing expansion sleeve, the metal fatigue deformation can be effectively avoided, and the brake disc is conveniently and stably fixed.
Description
Technical Field
The invention relates to the technical field of brake disc detection, in particular to brake disc balance test equipment.
Background
The brake disc is an important part of a vehicle braking system, a central hole in the middle of the brake disc is fixedly connected to a hub and matched with a brake caliper, and friction is generated between the brake disc and the brake caliper to form braking force; the poor dynamic balance quality of the brake disc and the brake drum can cause the vehicle to generate the defects of shaking, poor braking, reduced service life and the like in the actual use of the vehicle, so the dynamic balance test of the brake disc and the brake drum products becomes particularly critical.
At present, the dynamic balance testing device takes a central hole of a brake disc or a brake drum as a testing positioning reference, and the central holes are not completely the same as products are different, so that the universality of the clamp is very small; the brake disc is fixed on the balance detector through a clamp, the existing brake disc is fixed through an expansion sleeve, and the expansion sleeve is easy to cause fatigue deformation of metal due to long-term transmission of large torque in work, so that fatigue wear is generated between the expansion sleeve and a fastener, and a certain difficulty is generated in repairing; therefore, in order to solve the technical problems, the invention designs brake disc balance test equipment.
Disclosure of Invention
The application provides a brake disc balance test equipment, can effectually avoid the fatigue deformation of metal, and the convenient fixed brake disc of stability.
The application provides a brake disc balance test equipment adopts following technical scheme:
the brake disc balance test equipment comprises a workbench and a balance test instrument for detecting the balance of the brake disc, wherein a positioning block is rotationally arranged on the upper side of the workbench, a sleeve expansion assembly for installing the brake disc is arranged on the positioning block, the sleeve expansion assembly comprises a disc arranged on the positioning block, a plurality of groups of sliding grooves are arranged along the radial direction of the disc, sliding blocks are slidably arranged in the sliding grooves, the sliding blocks are relatively moved along the center point of the disc, a positioning plate is arranged on the upper side of the sliding blocks, and is driven by sliding of the sliding blocks in the sliding grooves until the positioning plate is extruded on the side wall of a center hole of the brake disc and is used for clamping the brake disc, and then the balance test of the brake disc is performed by rotating the positioning block;
the sealing buffer assemblies are uniformly distributed on one surface of the positioning plate and are positioned between the positioning plate and the brake disc, the volume of the sealing buffer assemblies can expand, and when relative pressure is generated between the positioning plate and the brake disc, the sealing buffer assemblies after volume expansion are used for increasing the contact area between the positioning plate and the brake disc so as to enhance the stability of fixing the brake disc;
the sealing buffer assembly comprises a plurality of groups of spherical protruding blocks which are arranged on the outer side surface of the positioning plate and can expand in volume, the plurality of groups of spherical protruding blocks form buffer pieces along the transverse direction of the positioning plate, the buffer pieces are uniformly distributed along the longitudinal direction of the positioning plate, and a positioning concave part for positioning the brake disc is formed between two adjacent groups of buffer pieces;
the spherical protruding block is made of flexible materials, a cavity is formed in the spherical protruding block, an air valve is arranged on the spherical protruding block, a branch pipe is connected to the air valve, one end of the branch pipe is connected with the air valve, the other end of the branch pipe is connected with a shunt pipe, the branch pipe and the shunt pipe are arranged in a positioning plate, the free end of the shunt pipe is connected with a main pipe, the air outlet end of the main pipe is connected with an annular air bag, and the annular air bag is provided with a pressed side;
the pressurized side of annular gasbag is located the outside of slider, and annular gasbag is located the outside of slider, when the slider is close to disc central point put, the globular protruding piece is in the shrink state.
By adopting the technical scheme, before the brake disc is positioned, the driving motor is started firstly, the rotating block rotates anticlockwise, the rotating block slides towards the center position of the disc together with the sliding block, when the brake disc is positioned, the center hole of the brake disc is sleeved on the outer side of the positioning plate, the sliding block slides towards the edge direction of the disc through the rotating block until the positioning plate is propped against the inner wall of the center hole of the brake disc, the fixation of the brake disc is realized, the existing brake disc is fixed through the expansion sleeve, and the expansion sleeve easily causes fatigue deformation of metal due to long-term transmission of large torque in work, so that fatigue wear is generated between the expansion sleeve and the fastening piece, and a certain difficulty is caused in restoration; compared with the expansion sleeve in the prior art, the expansion sleeve assembly is arranged, so that fatigue deformation of metal can be effectively avoided, and the brake disc is convenient and stable to fix;
further, the sealing buffer assembly is characterized in that the annular air bag is utilized to expand, gas compressed in the sealing buffer assembly enters the spherical protruding blocks, the volumes of two adjacent groups of buffer pieces are expanded, the volumes of the buffer pieces after expansion are increased, the space of the positioning concave part is reduced, one surface of the inner side surface of the corresponding spherical protruding block is deformed and firmly wrapped at the edge of the brake disc, stability between the brake disc and the positioning plate is realized according to the relative tension generated between the spherical protruding block after expansion and the upper surface of the brake disc, the spherical protruding block is made of flexible materials, and the structure of the sealing buffer assembly is of a hemispherical structure, the spherical protruding block is in point contact with the upper surface and the lower surface of the brake disc before expansion, and after expansion, the spherical protruding block is deformed, so that the spherical protruding block is tightly attached to the upper surface and the lower surface of the brake disc, point contact is converted into surface contact, and the stability is enhanced, and the sealing effect is achieved.
Preferably, the positioning plate is vertically arranged on the upper surface of the sliding block, and the outer surface of the positioning plate is in an arc-shaped structure.
Through adopting above-mentioned technical scheme, the locating plate that the outward appearance is circular-arc structure laminating in the centre bore inner wall of brake disc, increase the area of contact of locating plate and brake disc, stability is high.
Preferably, the center position of the disc is provided with a rotating block, the bottom of the rotating block is provided with a driving motor for driving the rotating block to rotate, the outer side of the rotating block is hinged with a plurality of groups of limiting rods, the free ends of the limiting rods are hinged to the sliding blocks, and the limiting rods and the sliding blocks are in one-to-one correspondence.
Through adopting above-mentioned technical scheme, through starting driving motor, make the commentaries on classics piece take place to rotate to the angle between company's area gag lever post and the commentaries on classics piece changes, is used for driving the slider relatively, makes the slider take place to slide in the inside of spout, and the interlock is effectual, and easily realizes.
Preferably, the top of the locating plate is provided with an outer convex eave, and the cross section size of the outer convex eave is larger than that of the locating plate.
Through adopting above-mentioned technical scheme, through being equipped with the eaves outward at the top of locating plate to vertical blocking portion in the top of locating plate can effectually avoid the brake disc to take place vertical breaking away from.
Preferably, a slow release piece is arranged between the annular air bag and the main pipe, the slow release piece comprises a first flange pipe arranged on the air port of the annular air bag and a second flange pipe arranged on the main pipe, a foldable corrugated pipe is arranged between the first flange pipe and the second flange pipe, and the second flange pipe is fixedly connected with the sliding block.
Through adopting above-mentioned technical scheme, when the slider moved towards the border position of disc, the slider was outside-slid with the second flange pipe to fold with the bellows, its inside air extrusion was to in the globular protruding piece, through being equipped with the slowly-releasing piece between annular gasbag and house steward, can effectually avoid the slider to extrude annular gasbag, reduce annular gasbag's wearing and tearing.
Preferably, the protection door comprises a first door body and a second door body, wherein the first door body and the second door body are both positioned on the outer side of the positioning block, the first door body and the second door body are both in a semi-cylindrical structure, and annular grooves are formed in the bottoms of the first door body and the second door body.
Through adopting above-mentioned technical scheme, through the position of sliding adjustment first door body and second door body, make first door body and second door body be in the closed condition to enclose in the outside of brake disc, be used for preventing that the brake disc from flying out, the security is high.
In summary, the present application has the following beneficial effects:
1. the sliding block is arranged in the disc in a sliding manner, and the synchronous movement of the sliding block is realized through the rotating block, so that the sliding block slides towards the edge direction of the disc until the positioning plate is propped against the inner wall of the central hole of the brake disc, the fixation of the brake disc is realized, and compared with the metal fatigue deformation of the existing expansion sleeve, the metal fatigue deformation can be effectively avoided, and the brake disc is conveniently and stably fixed;
2. the protective door is arranged on the workbench in a sliding manner and is arranged on the outer side of the brake disc in a sliding manner, so that the brake disc is prevented from flying out, and the safety is high;
3. through being provided with the expandable bolster in the outside of locating plate, the volume of two sets of dashpots takes place to expand when the volume of adjacent, the bolster volume after the expansion increases, and the space of location depressed part reduces, make the one side of the medial surface of relative spherical protruding piece warp and firmly wrap up in the edge of brake disc, according to the relative tension that the spherical protruding piece after the expansion produced with the brake disc upper surface, thereby realize the stability between brake disc and the locating plate, in addition, when outwards expanding through the slider, the area of contact between self-adaptation increase locating plate and the brake disc, with the fixed stability of reinforcing brake disc, the power that annular gasbag inflation needs has not only been cancelled, energy saving and emission reduction, and reduced when the slider outwards expands, the expansion of self-adaptation control annular gasbag.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a brake disc balance test apparatus in the present embodiment;
FIG. 2 is a schematic view of the overall structure of the expansion joint assembly according to the present embodiment;
FIG. 3 is an exploded view between the rotor and the sustained release member in this embodiment;
FIG. 4 is a schematic view showing the overall structure of the positioning plate moving near the center point of the disk in this embodiment;
fig. 5 is a schematic view of a guard-like structure of the guard door in this embodiment.
Reference numerals illustrate: 1. a work table; 2. a balance testing instrument; 3. a positioning block; 4. an expansion sleeve assembly; 41. a disc; 42. a chute; 43. a slide block; 44. a positioning plate; 45. an outer convex eave; 46. a rotating block; 47. a driving motor; 48. a limit rod; 49. a seal buffer assembly; 491. spherical protruding blocks; 492. positioning the concave part; 493. a branch pipe; 494. a shunt; 495. a header pipe; 496. an annular air bag; 410. a slow release member; 4101. a first flanged pipe; 4102. a second flanged pipe; 4103. a bellows; 5. a protective door; 51. a first door body; 52. a second door body; 53. an annular groove.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Examples: the invention discloses brake disc balance test equipment, as shown in figures 1-2, which comprises a workbench 1 and a balance test instrument 2 for detecting the balance of a brake disc, wherein the balance test instrument 2 can adopt a multifunctional balance instrument with the model of DC830, but is not limited to the balance test instrument, the balance test instrument is used for detecting the balance degree of the brake disc fixedly arranged on the workbench 1, a positioning block 3 is rotationally arranged on the upper side of the workbench 1, the positioning block 3 is of a cylindrical structure, an expansion sleeve component 4 for installing the brake disc is arranged on the positioning block 3, a central hole of the brake disc is sleeved on the expansion sleeve component 4, the expansion sleeve component 4 comprises a disc 41 arranged at the central position of the positioning block 3, a plurality of groups of sliding grooves 42 are arranged along the radial direction of the disc 41, the sliding grooves 42 are of a strip-shaped structure and are arranged around the central point of the disc 41 at equal angles, the disc surface area of the disc 41 is divided into a plurality of groups of sector areas with equal area by the plurality of sliding grooves 42, the sliding blocks 43 are arranged in the sliding grooves 42 in a sliding manner, a plurality of groups of sliding blocks 43 relatively move along the center point of the disc 41, the upper side of each sliding block 43 is provided with a positioning plate 44, each positioning plate 44 is vertically arranged on the upper surface of each sliding block 43, the top of each positioning plate 44 is provided with an outer convex edge 45, the cross section of each outer convex edge 45 is larger than that of each positioning plate 44, the longitudinal blocking part formed at the top of each positioning plate 44 through each outer convex edge 45 can effectively prevent the brake disc from being longitudinally separated, the outer surfaces of the positioning plates 44 are in arc-shaped structures, the positioning plates 44 with arc-shaped structures are attached to the inner walls of the center holes of the brake discs, the contact area between the positioning plates 44 and the brake discs is increased, the stability is high, the positioning plates 44 are driven through the sliding of the sliding blocks 43 in the sliding grooves 42 until the positioning plates 44 are extruded on the side walls of the center holes of the brake discs for clamping the brake discs, the center of the disc 41 is provided with a rotating block 46, as shown in fig. 3, the bottom of the rotating block 46 is provided with a driving motor 47, the driving motor 47 is arranged on the positioning plate 44 and used for driving the rotating block 46 to rotate, the outer side of the rotating block 46 is hinged with a plurality of groups of limiting rods 48, the free ends of the limiting rods 48 are hinged on the sliding blocks 43, the limiting rods 48 and the sliding blocks 43 are arranged in a one-to-one correspondence manner, the rotating block 46 is rotated by starting the driving motor 47, and the angle between the limiting rods 48 and the rotating block 46 is changed and used for relatively driving the sliding blocks 43, so that the sliding blocks 43 slide in the sliding grooves 42, and the linkage effect is good and easy to realize;
as shown in fig. 4, before the brake disc is positioned, the driving motor 47 is started first to rotate the rotating block 46 anticlockwise, and the rotating block 46 slides along with the sliding block 43 towards the center position of the disc 41, when the brake disc is positioned, the center hole of the brake disc is sleeved outside the positioning plate 44, and the sliding block 43 slides towards the edge direction of the disc 41 through the anticlockwise rotating block 46 until the positioning plate 44 is propped against the inner wall of the center hole of the brake disc, so that the brake disc is fixed, the existing brake disc is fixed through the expansion sleeve, and the expansion sleeve is easy to cause metal fatigue deformation due to long-term transmission of large torque during working, so that fatigue wear is generated between the expansion sleeve and the fastening piece, and a certain difficulty is caused in repairing; compared with the expansion sleeve in the prior art, the expansion sleeve assembly 4 is arranged, so that fatigue deformation of metal can be effectively avoided, and the brake disc is convenient and stable to fix.
As shown in fig. 3, a sealing buffer assembly 49 is uniformly distributed on one surface of the positioning plate 44, the sealing buffer assembly 49 is located between the positioning plate 44 and the brake disc, the volume of the sealing buffer assembly 49 can expand, and when a relative pressure is generated between the positioning plate 44 and the brake disc, the sealing buffer assembly 49 after volume expansion is used for increasing the contact area between the positioning plate 44 and the brake disc so as to enhance the stability of fixing the brake disc; the sealing buffer assembly 49 comprises a plurality of groups of spherically-shaped bulge blocks 491 which are arranged on the outer side surface of the positioning plate 44 and can expand in volume, the groups of spherically-shaped bulge blocks 491 form buffer pieces along the transverse direction of the positioning plate 44, the buffer pieces are uniformly distributed along the longitudinal direction of the positioning plate 44, positioning concave parts 492 for positioning the brake disc are formed between two adjacent groups of buffer pieces, when the volumes of the groups of spherically-shaped bulge blocks 491 expand, the overall volume of the buffer pieces is increased, the space of the positioning concave parts 492 is reduced, one surface of the inner side surface of the opposite spherically-shaped bulge blocks 491 deforms and is wrapped at the edge of the brake disc, the contact area between the buffer pieces and the brake disc is increased, and the stability between the brake disc and the expansion sleeve assembly 4 is increased.
As shown in fig. 3, the five expansion spherical protruding blocks 491 are grouped into a group to form a buffer member, and the buffer member is provided with four groups and forms three positioning concave parts 492, when the thickness of the brake disc is smaller than the width of the positioning concave parts 492, the center hole of the brake disc can be quickly positioned in the positioning concave parts 492 along the inclined plane of the expansion spherical protruding blocks 491 during positioning and mounting, thereby being convenient and quick to position.
The spherical bump 491 is made of flexible materials, a cavity is formed in the spherical bump 491, a valve is arranged on the spherical bump 491, a branch pipe 493 is connected to the valve, one end of the branch pipe 493 is connected with the valve, the other end of the branch pipe 493 is connected with a shunt pipe 494, the branch pipe 493 and the shunt pipe 494 are arranged in a locating plate 44, the free end of the shunt pipe 494 is connected with a main pipe 495, the air outlet end of the main pipe 495 is connected with an annular air bag 496, a pressure receiving side is arranged on the annular air bag 496, the inside of the annular air bag 496 is made to be at positive pressure by applying pressure on the pressure receiving side of the annular air bag 496, and gas in the annular air bag 496 sequentially flows along the main pipe 495, the shunt pipe 494 and the branch pipe 493 and passes through the valve to be extruded into the spherical bump 491, so that the spherical bump 491 is expanded until the air bag is attached to the edge of a brake disc.
The annular air bag 496 is of an annular structure which is connected end to end, and can refer to a swim ring, when the four groups of sliding blocks 43 simultaneously make relative movement along the radial direction of the disc 41, the four groups of sliding blocks 43 simultaneously move from inside to outside towards the inner ring direction of the annular air bag 496 as a whole, and simultaneously squeeze the inner ring surface of the annular air bag 496, because the pressure-bearing surface between the four groups of sliding blocks 43 and the inner ring of the annular air bag 496 suddenly increases, the internal air pressure of the annular air bag 496 rapidly rises, the cavity communicated with the tail inside of the annular air bag 496 uniformly expands from inside to outside, so that the air in the annular air bag 496 can smoothly enter the interior of the main pipe 495, the air channel formed by the main pipe 495, the shunt pipe 494 and the branch pipe 493 ensures that the air content entering the main pipe 495 in unit time is constant, and the air content entering the spherical protruding blocks 491 on the four groups of positioning plates 44 is constant, so that the expansion degree of the spherical protruding blocks 491 is constant, and the influence of the spherical protruding blocks 491 on the brake disc on the detection result that the brake disc is not influenced by the compression degree of the brake disc on a certain degree.
The pressure receiving side of the annular air bag 496 is located outside the slider 43, and when the slider 43 is located near the center of the disk 41, the spherical bump 491 is in a contracted state, and when the slider 43 is moved toward the edge position of the disk 41, the slider 43 presses the pressure receiving side of the annular air bag 496, so that the gas in the annular air bag 496 enters the inside of the spherical bump 491, and the spherical bump 491 is rapidly inflated;
the slow release member 410 is arranged between the annular air bag 496 and the main pipe 495, the slow release member 410 comprises a first flange pipe 4101 arranged on an air port of the annular air bag 496 and a second flange pipe 4102 arranged on the main pipe 495, a foldable corrugated pipe 4103 is arranged between the first flange pipe 4101 and the second flange pipe 4102, the second flange pipe 4102 is fixedly connected with the sliding block 43, when the sliding block 43 moves towards the edge position of the disc 41, the sliding block 43 slides outwards along with the second flange pipe 4102 and folds along with the corrugated pipe 4103, and the air inside the slow release member 410 is extruded into the spherical protruding block 491.
As shown in fig. 1 and 5, through the rotation of the locating block 3, the balance test of the brake disc is performed, the protective door 5 slidably arranged on the workbench 1 comprises a first door body 51 and a second door body 52, the first door body 51 and the second door body 52 are both positioned on the outer side of the locating block 3, the first door body 51 and the second door body 52 are both in a semi-cylindrical structure, annular grooves 53 are formed in the bottoms of the first door body 51 and the second door body 52, and the positions of the first door body 51 and the second door body 52 are slidably adjusted to enable the first door body 51 and the second door body 52 to be in a closed state and enclose the outer side of the brake disc so as to prevent the brake disc from flying out, so that the safety is high.
Working principle: before use, an operator starts the driving motor 47 to enable the rotating block 46 to rotate anticlockwise, and slides along with the sliding block 43 towards the center position of the disc 41, when the brake disc is positioned, the center hole of the brake disc is sleeved on the outer side of the positioning plate 44, the sliding block 43 slides towards the edge direction of the disc 41 through the reverse rotating block 46 until the positioning plate 44 is propped against the inner wall of the center hole of the brake disc, the fixation of the brake disc is realized, the existing brake disc is fixed through the expansion sleeve, and the expansion sleeve easily causes fatigue deformation of metal due to long-term transmission of large torque during operation, so that fatigue wear is generated between the expansion sleeve and the fastening piece, and a certain difficulty is generated in restoration; compared with the expansion sleeve in the prior art, the expansion sleeve assembly 4 is arranged, so that fatigue deformation of metal can be effectively avoided, and the brake disc is convenient and stable to fix.
When the slider 43 moves toward the edge position of the disc 41, the slider 43 slides outward with the second flange pipe 4102 and folds with the bellows 4103, the inside air thereof is pressed into the spherical protruding pieces 491 to expand the spherical protruding pieces 491, when the volumes of the sets of spherical protruding pieces 491 are expanded, the total volume of the cushion is increased, and the space of the positioning recess 492 is reduced to deform one face opposite to the inner side face of the spherical protruding pieces 491 and wrap around the edge of the brake disc, which serves to increase the contact area between the cushion and the brake disc, thereby increasing the stability between the brake disc and the tension sleeve assembly 4.
Then the positions of the first door body 51 and the second door body 52 are slidingly adjusted, so that the first door body 51 and the second door body 52 are in a closed state and are enclosed on the outer side of the brake disc, and the brake disc is prevented from flying out, so that the safety is improved; and finally, detecting the dynamic balance of the fixed brake disc by using a balance testing instrument 2.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. Brake disc balance test equipment, its characterized in that: the automatic balance testing device comprises a workbench (1) and a balance testing instrument (2) for detecting the balance of a brake disc, wherein a positioning block (3) is rotationally arranged on the upper side of the workbench (1), an expansion sleeve component (4) for installing the brake disc is arranged on the positioning block (3), the expansion sleeve component (4) comprises a disc (41) arranged on the positioning block (3), a plurality of groups of sliding grooves (42) are formed in the radial direction of the disc (41), a sliding block (43) is slidably arranged in the sliding grooves (42), a plurality of groups of sliding blocks (43) relatively move along the center point of the disc (41), a positioning plate (44) is arranged on the upper side of the sliding block (43), the positioning plate (44) is driven by sliding of the sliding block (43) in the sliding grooves (42), the positioning plate (44) is extruded on the side wall of a center hole of the brake disc, the braking disc is used for clamping, the balance testing of the disc is performed by rotating the positioning block (3), and a protective door (5) slidably arranged on the workbench (1), and the protective door (5) is slidably arranged on the outer side of the brake disc.
The sealing buffer assemblies (49) are uniformly distributed on one surface of the positioning plate (44), the sealing buffer assemblies (49) are positioned between the positioning plate (44) and the brake disc, the volume of the sealing buffer assemblies (49) can expand, and when relative pressure is generated between the positioning plate (44) and the brake disc, the sealing buffer assemblies (49) after volume expansion are used for increasing the contact area between the positioning plate (44) and the brake disc so as to enhance the stability of fixing the brake disc;
the sealing buffer assembly (49) comprises a plurality of groups of spherical protruding blocks (491) which are arranged on the outer side surface of the locating plate (44) and can expand in volume, the plurality of groups of spherical protruding blocks (491) form buffer pieces along the transverse direction of the locating plate (44), the buffer pieces are uniformly distributed along the longitudinal direction of the locating plate (44), and a locating concave part (492) for locating a brake disc is formed between two adjacent groups of buffer pieces;
the spherical bulge block (491) is made of flexible materials, a cavity is formed in the spherical bulge block (491), an air valve is arranged on the spherical bulge block (491), a branch pipe (493) is connected to the air valve, one end of the branch pipe (493) is connected with the air valve, the other end of the branch pipe (493) is connected with a shunt pipe (494), the branch pipe (493) and the shunt pipe (494) are both arranged in the positioning plate (44), the free end of the shunt pipe (494) is connected with a main pipe (495), the air outlet end of the main pipe (495) is connected with an annular air bag (496), and a pressure side is arranged on the annular air bag (496);
the pressure side of the annular air bag (496) is positioned outside the sliding block (43), and when the sliding block (43) is close to the center of the disc (41), the spherical protruding block (491) is in a contracted state.
2. Brake disc balance testing apparatus according to claim 1, characterized in that: the rotary table is characterized in that a rotary block (46) is arranged at the center of the disc (41), a driving motor (47) is arranged at the bottom of the rotary block (46) and used for driving the rotary block (46) to rotate, a plurality of groups of limiting rods (48) are hinged to the outer side of the rotary block (46), the free ends of the limiting rods (48) are hinged to the sliding blocks (43), and the limiting rods (48) and the sliding blocks (43) are arranged in a one-to-one correspondence mode.
3. Brake disc balance testing apparatus according to claim 2, characterized in that: the locating plate (44) is vertically arranged on the upper surface of the sliding block (43), and the outer surface of the locating plate (44) is of an arc-shaped structure.
4. A brake disc balance testing apparatus according to claim 3, wherein: the top of locating plate (44) is equipped with outward flange (45), the cross section size of outward flange (45) is greater than the cross section size of locating plate (44).
5. Brake disc balance testing apparatus according to claim 1, characterized in that: the novel self-locking device is characterized in that a slow release piece (410) is arranged between the annular air bag (496) and the main pipe (495), the slow release piece (410) comprises a first flange pipe (4101) arranged on an air port of the annular air bag (496) and a second flange pipe (4102) arranged on the main pipe (495), a foldable corrugated pipe (4103) is arranged between the first flange pipe (4101) and the second flange pipe (4102), and the second flange pipe (4102) is fixedly connected with the sliding block (43).
6. Brake disc balance testing apparatus according to claim 1, characterized in that: the protection door (5) comprises a first door body (51) and a second door body (52), the first door body (51) and the second door body (52) are both positioned on the outer side of the positioning block (3), the first door body (51) and the second door body (52) are both in a semi-circular cylinder structure, and annular grooves (53) are formed in the bottoms of the first door body (51) and the second door body (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310473452.0A CN116183107B (en) | 2023-04-28 | 2023-04-28 | Brake disc balance test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310473452.0A CN116183107B (en) | 2023-04-28 | 2023-04-28 | Brake disc balance test equipment |
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| CN116183107A CN116183107A (en) | 2023-05-30 |
| CN116183107B true CN116183107B (en) | 2023-07-25 |
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| CN117030114B (en) * | 2023-10-09 | 2024-01-09 | 山东和昌汽车零部件制造有限公司 | Brake disc balance test equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210603726U (en) * | 2019-08-26 | 2020-05-22 | 杭州昌立机械有限公司 | Clamping device for balancing machine |
| CN110672267A (en) * | 2019-09-25 | 2020-01-10 | 杭州昌立机械有限公司 | Supporting and adjusting device for full-automatic balancing machine |
| CN210922950U (en) * | 2019-12-28 | 2020-07-03 | 山东省三鼎汽车配件有限公司 | Dynamic balance device for detecting brake disc |
| CN215985007U (en) * | 2021-09-10 | 2022-03-08 | 金华职业技术学院 | Automobile brake disc dynamic balance detection robot clamp |
| CN115592173A (en) * | 2022-09-24 | 2023-01-13 | 烟台乐泰汽车配件有限公司（Cn） | Special machine tool for balancing brake disc and using method thereof |
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