CN117516456B - Brake block high accuracy multiple detection device - Google Patents
Brake block high accuracy multiple detection device Download PDFInfo
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- CN117516456B CN117516456B CN202410010379.8A CN202410010379A CN117516456B CN 117516456 B CN117516456 B CN 117516456B CN 202410010379 A CN202410010379 A CN 202410010379A CN 117516456 B CN117516456 B CN 117516456B
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- 238000001514 detection method Methods 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 210000000003 hoof Anatomy 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 7
- 241000357293 Leptobrama muelleri Species 0.000 abstract description 4
- 239000000523 sample Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 13
- 241000282472 Canis lupus familiaris Species 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000002783 friction material Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of brake block detection, in particular to a high-precision multiple detection device for a brake block, which comprises the brake block composed of a shoe block and a steel back, and further comprises a chain type conveying table, wherein a plurality of groups of pushing plates are arranged on the chain type conveying table, a centering mechanism and a flatness detection mechanism are arranged in the middle of the chain type conveying table, the flatness detection mechanism comprises a transverse bracket, a shell and a plurality of groups of pressure sensing pieces, each group of pressure sensing pieces comprises a collision piece and a pressure sensor, the centering mechanism comprises two limiting rods, the flatness detection mechanism of the device can automatically detect the flatness of the brake block in the transportation process of the brake block, and compared with the traditional method of scribing by using a single probe, the detection time is greatly shortened, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of brake pad detection, in particular to a high-precision multiple detection device for a brake pad.
Background
The automobile brake pad is also called an automobile brake pad, and refers to a friction material fixed on a brake drum or a brake disc rotating with a wheel, and a friction lining and a friction pad of the brake pad bear external pressure to generate friction action so as to achieve the aim of decelerating a vehicle. Wherein the heat insulation layer of the brake pad is made of a material which does not transfer heat, and the purpose of the heat insulation layer is to insulate heat. The friction block is composed of friction material and adhesive, and is pressed on the brake disc or the brake drum to generate friction during braking, so that the aim of decelerating and braking the vehicle is fulfilled. Due to friction, the friction blocks will gradually wear out, generally the lower the cost the more quickly the brake pads will wear out. After the friction material is used, the brake pad needs to be replaced in time, otherwise, the steel plate is in direct contact with the brake disc, and finally, the brake effect is lost and the brake disc is damaged.
After the brake block is processed, flatness of the top surface of the brake block needs to be detected, a traditional detection mode adopts a probe to score the top surface of the brake block, the probe is connected with a fluctuation instrument, an operator judges whether the top surface of the current brake block is flat or not through the fluctuation range of the fluctuation instrument, the method needs manual intervention, is low in efficiency, and often takes tens of minutes to measure the flatness of one brake block, meanwhile, errors occur in manual detection, so that detection precision can be reduced, and the problem is solved by providing a brake block high-precision multiple detection device.
Disclosure of Invention
Based on the above, it is necessary to provide a brake pad high-precision multiple detection device for solving the problems in the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme: the high-precision multiple detection device for the brake pads comprises the brake pads consisting of hooves and steel backs, and further comprises a chain type conveying table which is horizontally arranged, wherein a plurality of groups of pushing plates which are distributed at equal intervals along the horizontal direction are arranged on the chain type conveying table, a centering mechanism and a flatness detection mechanism are arranged in the middle of the chain type conveying table, each group of pushing plates is used for pushing one brake pad forwards at a uniform speed, each brake pad sequentially passes through the centering mechanism and the flatness detection mechanism, the flatness detection mechanism comprises a transverse bracket, a shell and a plurality of groups of pressure sensing pieces, the transverse bracket spans across the chain type conveying table, the length direction of the transverse bracket is perpendicular to the conveying direction of the brake pads, the shell is in sliding connection with the transverse bracket, the sliding direction of the shell is consistent with the length direction of the transverse bracket, the groups of pressure sensing pieces are tightly distributed in the shell along the length direction of the transverse bracket, every pressure sensing spare that sets of all includes conflict piece and pressure sensor, conflict piece rotates locates in the shell, the one end of conflict piece is vertical downwards, the other end of conflict piece links to each other with pressure sensor's touch-end elasticity, when the brake block is driven by the push pedal that corresponds and is driven flatness detection mechanism, the top surface of hoof piece is inconsistent with every vertical decurrent one end of conflict piece of group, the width of a plurality of groups conflict piece is greater than hoof piece top planar length, centering mechanism locates on the shell, centering mechanism is used for guaranteeing that the brake block is the state of being centered through flatness detection mechanism, centering mechanism includes two gag lever posts that can carry out dorsad and displacement in opposite directions respectively, two gag lever post elasticity link to each other, the one end of every gag lever post towards chain transport platform top is the inclined plane end, and the horizontal spacing of two inclined plane ends is not greater than the width of brake block.
Further, chain conveyor platform includes bar pedestal and two annular chains, bar pedestal is the level setting, the holding tank has been seted up in the bar pedestal, two annular chains are symmetrical state and rotate and locate the holding tank, and two annular chain interval distributions, every push pedal all is the level and locates between two annular chains, the both ends of every push pedal all link firmly mutually with two annular chains respectively, the holding tank internal fixation is equipped with and is the horizontally saddle, the length direction of saddle is unanimous with the length direction of bar pedestal, and every push pedal all is located the top of saddle, every brake block all keeps flat on the saddle.
Further, the transverse bracket comprises two fixing shafts which transversely span the strip-shaped pedestal and are distributed up and down along the vertical direction, each fixing shaft is erected above the strip-shaped pedestal, the axial direction of each fixing shaft is perpendicular to the length direction of the strip-shaped pedestal, the top of the shell is fixedly provided with a connecting frame, each fixing shaft horizontally passes through the connecting frame, a sliding sleeve is arranged between each fixing shaft and the connecting frame, the sliding sleeve is fixedly connected with the connecting frame, and the sliding sleeve is sleeved on the fixing shaft.
Further, the shell is strip and the cross section of shell is L shape, the length direction of shell is mutually perpendicular with the transport direction of brake block, the vertical portion of shell upwards, the horizontal portion of shell is towards the end of chain conveyor, a mounting groove has been seted up in the vertical portion of shell, no. two mounting grooves have been seted up in the horizontal portion of shell, the shaping has vertical decurrent baffle on the horizontal portion of shell, every pressure sensor is all fixed in locating a mounting groove, every conflict piece all includes that end to end prop pulling-on piece and separation blade, prop the pulling-on piece and be the level and stretch into No. two mounting grooves, the separation blade is vertical and baffle parallel, and the separation blade is laminated mutually with the baffle, every junction that props pulling-on piece and separation blade all forms the lantern ring, no. two mounting groove rotations are equipped with the pivot, the axial of pivot is parallel with the length direction of shell, every lantern ring all fixes the cover and locates in the pivot, all be equipped with U-shaped elastic piece between every conflict piece and the pressure sensor, U-shaped elastic piece's opening towards the pivot, U-shaped elastic piece's both ends link firmly with the touch end that props pulling-on piece and pressure sensor respectively.
Further, centering mechanism still includes the U-shaped board, the opening of U-shaped board is down, and the U-shaped board links firmly with the vertical portion of shell mutually, every gag lever post all includes rack and side dog, two racks all are the level and link to each other with two vertical portions sliding of U-shaped board respectively, the slip direction of rack is mutually perpendicular with the direction of transportation of brake block, on the outer tip of rack was located to the side dog is fixed, side dog perpendicular to rack, and the outer tip shaping of side dog has the inclined wedge towards chain transport platform top, the inclined plane of two inclined wedges sets up relatively, be equipped with the gear that links to each other with U-shaped board rotation between two racks, every rack all meshes with the gear, wherein, two racks link to each other through the elasticity, every inclined wedge is the inclined plane end of gag lever post.
Further, a first bar-shaped sliding seat is fixedly connected to each vertical portion of the U-shaped plate, the first bar-shaped sliding seat comprises two limit bars which are distributed up and down, the length direction of each limit bar is consistent with the length direction of the rack, and two limit bar-shaped sliding grooves which are matched with each other are formed in the upper surface and the lower surface of each first bar-shaped sliding seat.
Further, the top surface of one rack is fixedly provided with a support plate extending horizontally towards the other rack, the two racks are connected through a tension spring, the tension spring is horizontal, one end of the tension spring is fixedly connected with the support plate, and the other end of the tension spring is fixedly connected with the corresponding rack.
Further, a second strip-shaped sliding seat is fixedly connected to the baffle, the length direction of the second strip-shaped sliding seat is parallel to the length direction of the shell, a sliding block which slides along the length direction of the second strip-shaped sliding seat is arranged in the second strip-shaped sliding seat, a fin which is vertically downward is fixedly arranged on the sliding block, the width of the fin is consistent with the width of a groove on the hoof block, and the fin penetrates through the groove on the hoof block.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the flatness detection mechanism of the device can automatically detect the flatness of the brake pad in the transportation process of the brake pad, and the flatness detection of the shoe block by using a plurality of abutting pieces is greatly shortened in comparison with the traditional method of scribing by using a single probe, so that the detection time is greatly shortened, and the detection efficiency is improved;
secondly, the centering mechanism of the device is used for enabling the brake pad to be in a centering state and pass through the flatness detection mechanism, so that when the brake pad passes through the flatness detection mechanism, a plurality of abutting pieces on the flatness detection mechanism can slide across the top surface of the shoe block, and therefore the whole top surface of the shoe block can be detected, and no dead angle exists in detection;
third, the brake block that is the deflection state is further prevented through the fin of this device to drive through flatness detection mechanism, if the brake block still is the skew state after centering, then the brake block can be blocked by the fin, and the brake block can not pass through flatness detection mechanism this moment to this precision that effectively improves the detection.
Drawings
FIG. 1 is a schematic perspective view of an embodiment;
FIG. 2 is a schematic perspective view of a centering mechanism and a flatness detecting mechanism of the embodiment;
FIG. 3 is a schematic plan view of a brake pad according to an embodiment of the present disclosure when passing through a flatness detecting mechanism;
FIG. 4 is a schematic perspective view of the housing and pressure sensing element of the embodiment;
FIG. 5 is a schematic perspective view of a second embodiment of a housing and pressure sensing element;
FIG. 6 is a schematic perspective view of a centering mechanism of an embodiment;
FIG. 7 is a schematic perspective view of a centering mechanism according to a second embodiment;
fig. 8 is an exploded perspective view of the rack and the first bar-shaped slider of the embodiment.
The reference numerals in the figures are: 1. hoof blocks; 2. a steel back; 3. a chain conveyor table; 4. a push plate; 5. a centering mechanism; 6. a flatness detecting mechanism; 7. a housing; 8. a contact piece; 9. a pressure sensor; 10. a limit rod; 11. a bar-shaped pedestal; 12. an endless chain; 13. a receiving groove; 14. a support; 15. a fixed shaft; 16. a connecting frame; 17. a sliding sleeve; 18. a first mounting groove; 19. a second mounting groove; 20. a baffle; 21. a support pull tab; 22. a baffle; 23. a collar; 24. a rotating shaft; 25. u-shaped elastic sheet; 26. a U-shaped plate; 27. a rack; 28. a side stopper; 29. wedge block; 30. a gear; 31. a first bar-shaped sliding seat; 32. a limit bar; 33. a chute; 34. a support plate; 35. a tension spring; 36. a second strip-shaped sliding seat; 37. a slide block; 38. and (5) fins.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
The high-precision multiple detection device for the brake block shown by referring to figures 1 to 8 comprises a brake block consisting of a hoof block 1 and a steel back 2, and further comprises a chain type conveying table 3 which is horizontally arranged, wherein a plurality of groups of push plates 4 which are equidistantly distributed along the horizontal direction are arranged on the chain type conveying table 3, a centering mechanism 5 and a flatness detection mechanism 6 are arranged in the middle of the chain type conveying table 3, each group of push plates 4 is used for pushing one brake block forwards at a constant speed, each brake block sequentially passes through the centering mechanism 5 and the flatness detection mechanism 6, the flatness detection mechanism 6 comprises a transverse bracket, a shell 7 and a plurality of groups of pressure sensing pieces, the transverse bracket spans the chain type conveying table 3, the length direction of the transverse bracket is perpendicular to the conveying direction of the brake block, the shell 7 is in sliding connection with the transverse bracket, and the sliding direction of the shell 7 is consistent with the length direction of the transverse bracket, the pressure sensing pieces of the plurality of groups are tightly distributed in the shell 7 along the length direction of the transverse bracket, each pressure sensing piece of the plurality of groups comprises a pressing sheet 8 and a pressure sensor 9, the pressing sheet 8 is rotationally arranged in the shell, one end of the pressing sheet 8 is vertically downward, the other end of the pressing sheet 8 is elastically connected with the contact end of the pressure sensor 9, when the brake block is driven by the corresponding push plate 4 to drive through the flatness detection mechanism 6, the top surface of the shoe block 1 is abutted against one vertically downward end of each group of pressing sheet 8, the width of the plurality of groups of pressing sheets 8 is larger than the length of the top plane of the shoe block 1, the centering mechanism 5 is arranged on the shell 7, the centering mechanism 5 is used for ensuring that the brake block is in a centering state and passes through the flatness detection mechanism 6, the centering mechanism 5 comprises two limiting rods 10 which can respectively carry out back-to-face and-face displacement, the two limiting rods 10 are elastically connected, one end of each limiting rod 10, which faces the starting end of the chain type conveying table 3 is an inclined plane end, and the horizontal distance between the two inclined plane ends is not larger than the width of the brake pad.
Each group of pressure sensors 9 is connected with an upper computer (not shown in the figure), so that the upper computer displays the detection values of all the pressure sensors 9 in real time, when the chain type conveying table 3 is started, a brake block is placed on one side of each group of push plates 4 transported to the starting end of the chain type conveying table 3, the process can be operated manually or by a mechanical arm, the brake block is driven by the corresponding push plate 4 to move at a uniform speed towards the tail end of the chain type conveying table 3, when the brake block drives through the centering mechanism 5, the brake block passes through two limiting rods 10, if the current brake block is in a centering state, the brake block directly drives to the flatness detection mechanism 6 after passing through the centering mechanism 5, if the current brake block is offset, the brake block cannot directly pass between the two limiting rods 10, at the moment, the brake block can be abutted against one of the limiting rods 10, because the friction force between the brake block and the push plate 4 is larger, the brake block cannot displace, but the inclined surface end on the limit rod 10 is interfered by the brake block and has a tendency of shifting towards one side, so the whole centering mechanism 5 can drive the shell 7 to horizontally and slightly slide, and finally the brake block can keep a centering state to drive through the flatness detection mechanism 6, when the brake block in the centering state passes through the flatness detection mechanism 6, the top surface of the shoe block 1 is contacted with the vertical ends corresponding to a plurality of interference pieces 8, then each interference piece 8 which is interfered with the top surface of the shoe block 1 can scratch the top surface of the whole shoe block 1 along with the non-advancing of the brake block, if the top surface of the current shoe block 1 is completely horizontal, larger fluctuation can not occur in detection values of all pressure sensors 9 displayed by an upper computer, and if the top surface of the current shoe block 1 is uneven, then the detection value of the partial pressure sensor 9 displayed by the upper computer will be greatly fluctuated, and the brake block is an unqualified product at this time, so when the current brake block is displaced to the tail end of the chain type conveying table 3, the brake block can be taken down from the chain type conveying table 3, in summary, the flatness of the top surface of the shoe block 1 on the brake block can be detected through the flatness detection mechanism 6 of the device, wherein when the brake block with a larger size is replaced, the brake block makes the two limit rods 10 carry out back displacement through abutting the inclined surface ends of the limit rods 10, finally the brake block can drive through between the two limit rods 10, and the two limit rods 10 are connected through elasticity, so that the two limit rods 10 always have a trend of approaching in opposite directions, and finally, when the brake block is ensured to drive through, the two limit rods 10 can be clamped at two sides of the brake block.
In order to show how the push plate 4 drives the brake pad to carry out horizontal transportation, the following characteristics are set specifically:
the chain conveying table 3 comprises a bar-shaped table seat 11 and two annular chains 12, the bar-shaped table seat 11 is horizontally arranged, a containing groove 13 is formed in the bar-shaped table seat 11, the two annular chains 12 are symmetrically arranged in the containing groove 13 in a rotating mode, the two annular chains 12 are distributed at intervals, each push plate 4 is horizontally arranged between the two annular chains 12, two ends of each push plate 4 are fixedly connected with the two annular chains 12 respectively, a horizontal supporting table 14 is fixedly arranged in the containing groove 13, the length direction of the supporting table 14 is consistent with the length direction of the bar-shaped table seat 11, each push plate 4 is located above the supporting table 14, and each brake pad is horizontally arranged on the supporting table 14.
The brake pads are horizontally placed on the supporting table 14, only one brake pad exists between two adjacent pushing plates 4, and then after two annular chains 12 rotate, each pushing plate 4 is driven by two annular chains 12 to move, so that the pushing plates 4 can abut against the corresponding brake pads and drive the brake pads to horizontally move, in the process, each brake pad can slide on the supporting table 14 along the length direction of the supporting table 14, and each brake pad can sequentially pass through the centering mechanism 5 and the flatness detection mechanism 6.
In order to reveal how the housing 7 is slidably connected to the transverse bracket, the following features are provided:
the transverse bracket comprises two fixing shafts 15 which transversely span the strip-shaped pedestal 11 and are distributed up and down along the vertical direction, each fixing shaft 15 is erected above the strip-shaped pedestal 11, the axial direction of each fixing shaft 15 is perpendicular to the length direction of the strip-shaped pedestal 11, the top of the shell 7 is fixedly provided with a connecting frame 16, each fixing shaft 15 horizontally passes through the connecting frame 16, a sliding sleeve 17 is arranged between each fixing shaft 15 and the connecting frame 16, the sliding sleeve 17 is fixedly connected with the connecting frame 16, and the sliding sleeve 17 is sleeved on the fixing shaft 15.
When the brake block is driven through the centering mechanism 5, the brake block can pass through two gag levers 10, if the current brake block is in an centering state, then the brake block can directly drive to the flatness detection mechanism 6 after passing through the centering mechanism 5, if the current brake block is offset, then the brake block can not directly pass through between two gag levers 10, at this time the brake block can conflict one of the gag levers 10, in this process, because the frictional force between the brake block and the push plate 4 is great, therefore the brake block can not displace, but the inclined plane end on the gag lever levers 10 can be interfered by the brake block and has the trend of offset towards one side, so the whole centering mechanism 5 can drive the shell 7 to slide in a horizontal section distance, and finally the brake block can keep the centering state to drive through the flatness detection mechanism 6, in this process, the shell 7 carries out micro-distance displacement through the link 16 sliding on the fixed shaft 15.
In order to show how the interference piece 8 is elastically connected with the pressure sensor 9, the following features are specifically provided:
the shell 7 is the L shape and the cross section of shell 7 is the L shape, the length direction of shell 7 is mutually perpendicular with the transport direction of brake block, the vertical portion of shell 7 upwards, the horizontal portion of shell 7 is towards the end of chain conveyor table 3, first mounting groove 18 has been seted up in the vertical portion of shell 7, second mounting groove 19 has been seted up in the horizontal portion of shell 7, the shaping has vertical decurrent baffle 20 on the horizontal portion of shell 7, every pressure sensor is all fixed in first mounting groove 18, every conflict piece 8 all includes end to end's support pulling plate 21 and separation blade 22, support pulling plate 21 is the level and stretches into second mounting groove 19, separation blade 22 is vertical and is parallel with baffle 20, and separation blade 22 is laminated mutually with baffle 20, the junction of every support pulling plate 21 and separation blade 22 all forms and is equipped with lantern ring 23, the pivot 24 is equipped with to the axial of pivot 24 in the horizontal portion of shell 7, every lantern ring 23 all is fixed in the cover locates pivot 24, all be equipped with U-shaped elastic force transducer 21 and the both ends that U-shaped elastic force transducer 25 open-ended elastic force transducer 21 and the U-shaped elastic force transducer 25 are mutually connected with the both ends of U-shaped elastic force transducer 25 towards the opening of U-shaped elastic force transducer 9 respectively between every time point of support pulling plate 8 and the pressure transducer 9.
The two ends of the U-shaped elastic sheet 25 shrink inwards, then under the initial state, because the pressure sensor 9 is fixed in the first mounting groove 18, then the one end that the U-shaped elastic sheet 25 links to each other with propping the pulling sheet 21 can drive propping the pulling sheet 21 and upwards displace, whole conflict piece 8 has rotatory trend, this separation blade 22 can laminate with baffle 20, and restrict the turned angle of conflict piece 8 through baffle 20, ensure that separation blade 22 remains vertical state throughout under the condition that does not receive external force, when the brake block is driven by push pedal 4 and passes through flatness detection mechanism 6, the top of shoe 1 can be contacted with the lower extreme of separation blade 22, with this separation blade 22 can upwarp, prop the pulling sheet 21 and can pull the contact end of pressure sensor 9, finally pressure sensor 9 can pass on the upper computer with the pressure value, in the in-process that separation blade 22 marked shoe 1 top, if the top surface of current shoe 1 is completely leveled, then the numerical value that upper computer shows can float in an interval, the fluctuation that can not appear, if the top surface of current shoe 1 is not leveled, when the top surface of current shoe 1 is not leveled, then the upper computer shows that the numerical value is big at the time of the mechanical brake block is not leveled, the mechanical brake chain takes place, the end of the fluctuation can be had to the end when the mechanical brake has.
In order to show the specific structure of each stop lever 10 and how the two stop levers 10 are displaced in opposite directions or away from each other, the following features are provided:
the centering mechanism 5 further comprises a U-shaped plate 26, the opening of the U-shaped plate 26 faces downwards, the U-shaped plate 26 is fixedly connected with the vertical portion of the shell 7, each limiting rod 10 comprises a rack 27 and a side stop 28, the two racks 27 are horizontal and are respectively connected with the two vertical portions of the U-shaped plate 26 in a sliding mode, the sliding direction of the racks 27 is perpendicular to the conveying direction of the brake pad, the side stop 28 is fixedly arranged on the outer end portion of the racks 27, the side stop 28 is perpendicular to the racks 27, inclined wedges 29 facing the starting end of the chain conveying table 3 are formed in the outer end portion of the side stop 28, inclined planes of the two inclined wedges 29 are oppositely arranged, a gear 30 connected with the rotation of the U-shaped plate 26 is arranged between the two racks 27, each rack 27 is meshed with the gear 30, the two racks 27 are connected with each other through elasticity, and each inclined wedge 29 is the inclined plane end of the limiting rod 10.
Because two racks 27 elasticity links to each other, then under the initial condition, two racks 27 can be close to each other, with this two wedges 29 can be close to each other in opposite directions, when the brake block passes through centering mechanism 5, if current brake block is in the state of centering, then the brake block can directly slide between two wedges 29, if current brake block is in the skew state, then the brake block can conflict corresponding wedges 29, with this corresponding racks 27 can be contradicted and to one side displacement, at this moment whole shell 7 can be pulled and displaced, finally the brake block can be in the centering state and pass through centering mechanism 5 (the centering state of brake block is the central line of brake block and the central line of shell 7 is in same straight line), and in the in-process that the brake block contradicts one of racks 27, through the effect of gear 30, two racks 27 can be back to the displacement, but because two racks 27 can have the trend of being close to each other through elasticity finally, when shell 7 is moved sideways, the brake block can be passed between two side dogs 28, when the bigger brake block of follow-up change size, contradicted by two wedges 29 can be kept two wedges 29 to be moved to two and two more than the center in order to guarantee that the subsequent change size is big, the brake block can be moved to change respectively from the wedge 29 to the back to the wedge 29.
In order to reveal how each rack 27 is slidably connected to the U-shaped plate 26, the following features are provided:
each vertical portion of the U-shaped plate 26 is fixedly connected with a first bar-shaped sliding seat 31, the first bar-shaped sliding seat 31 comprises two limiting bars 32 which are distributed up and down, the length direction of each limiting bar 32 is consistent with the length direction of the rack 27, and two sliding grooves 33 matched with the limiting bars 32 are formed in the upper surface and the lower surface of each first bar-shaped sliding seat 31.
Each rack 27 slides in the first bar-shaped sliding seat 31 through the sliding groove 33 on the rack 27, when the racks 27 slide, each limiting bar 32 slides in the corresponding sliding groove 33, and when the two racks 27 approach each other through elastic connection, each limiting bar 32 can collide with one end of the sliding groove 33, so that the sliding stroke of the racks 27 is limited.
In order to reveal how the two stop bars 10 are elastically connected, the following features are provided:
the top surface of one rack 27 is fixedly provided with a support plate 34 extending horizontally towards the other rack 27, the two racks 27 are connected through a tension spring 35, the tension spring 35 is horizontal, one end of the tension spring 35 is fixedly connected with the support plate 34, and the other end of the tension spring 35 is fixedly connected with the corresponding rack 27.
The tension spring 35 is made to be the level through the extension board 34 and links to each other two racks 27, and in initial state, the tension spring 35 pulls two racks 27 through elasticity to this makes two racks 27 be close to each other, and when two wedge 29 are contradicted to the brake block, two racks 27 can back displacement, makes two racks 27 have the trend that is close to each other through tension spring 35 this moment.
In order to further prevent the brake pad in a deflected state from driving over the bottle flatness detection mechanism 6, the following features are specifically provided:
the baffle 20 is fixedly connected with a second strip-shaped sliding seat 36, the length direction of the second strip-shaped sliding seat 36 is parallel to the length direction of the shell 7, a sliding block 37 sliding along the length direction of the second strip-shaped sliding seat 36 is arranged in the second strip-shaped sliding seat 36, a fin 38 which is vertically downward is fixedly arranged on the sliding block 37, the width of the fin 38 is consistent with the width of a groove on the hoof block 1, and the fin 38 penetrates through the groove on the hoof block 1.
Before the device is used, the sliding block 37 is firstly fluctuated, so that the fins 38 are positioned on the central line of the shell 7, after that, if the brake pad driven through the centering mechanism 5 is in a centering state, that is, when the slot on the brake pad is positioned on the same straight line with the central line of the shell 7, the fins 38 can pass through the slot on the brake pad, if the brake pad driven through the centering mechanism 5 is not in a centering state, the brake pad can be blocked by the fins 38, once the brake pad does not pass through the fins 38, the chain transmission table is stopped, and then the position of the brake pad is adjusted, so that the brake pad can pass through the fins 38, the position of the brake pad after passing through the centering mechanism 5 is detected, and if the brake pad after passing through the centering mechanism 5 is not in a centering state, the brake pad can not pass through the flatness detection mechanism 6.
Working principle:
each group of pressure sensors 9 is connected with an upper computer (not shown in the figure), so that the upper computer displays the detection values of all the pressure sensors 9 in real time, when the chain type conveying table 3 is started, a brake block is placed on one side of each group of push plates 4 transported to the starting end of the chain type conveying table 3, the process can be operated manually or by a mechanical arm, the brake block is driven by the corresponding push plate 4 to move at a uniform speed towards the tail end of the chain type conveying table 3, when the brake block drives through the centering mechanism 5, the brake block passes through two limiting rods 10, if the current brake block is in a centering state, the brake block directly drives to the flatness detection mechanism 6 after passing through the centering mechanism 5, if the current brake block is offset, the brake block cannot directly pass between the two limiting rods 10, at the moment, the brake block can be abutted against one of the limiting rods 10, because the friction force between the brake block and the push plate 4 is larger, the brake block cannot displace, but the inclined surface end on the limit rod 10 is interfered by the brake block and has a tendency of shifting towards one side, so the whole centering mechanism 5 can drive the shell 7 to horizontally and slightly slide, and finally the brake block can keep a centering state to drive through the flatness detection mechanism 6, when the brake block in the centering state passes through the flatness detection mechanism 6, the top surface of the shoe block 1 is contacted with the vertical ends corresponding to a plurality of interference pieces 8, then each interference piece 8 which is interfered with the top surface of the shoe block 1 can scratch the top surface of the whole shoe block 1 along with the non-advancing of the brake block, if the top surface of the current shoe block 1 is completely horizontal, larger fluctuation can not occur in detection values of all pressure sensors 9 displayed by an upper computer, and if the top surface of the current shoe block 1 is uneven, then the detection value of the partial pressure sensor 9 displayed by the upper computer will be greatly fluctuated, and the brake block is an unqualified product at this time, so when the current brake block is displaced to the tail end of the chain type conveying table 3, the brake block can be taken down from the chain type conveying table 3, in summary, the flatness of the top surface of the shoe block 1 on the brake block can be detected through the flatness detection mechanism 6 of the device, wherein when the brake block with a larger size is replaced, the brake block makes the two limit rods 10 carry out back displacement through abutting the inclined surface ends of the limit rods 10, finally the brake block can drive through between the two limit rods 10, and the two limit rods 10 are connected through elasticity, so that the two limit rods 10 always have a trend of approaching in opposite directions, and finally, when the brake block is ensured to drive through, the two limit rods 10 can be clamped at two sides of the brake block.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a brake block high accuracy multiple detection device, include by shoe (1) and the brake block that steel backing (2) constitute, still include chain transport platform (3) that are the level setting, be equipped with push pedal (4) of a plurality of groups along horizontal direction equidistance distribution on chain transport platform (3), the middle part of chain transport platform (3) is equipped with centering mechanism (5) and average degree detection mechanism (6), every group push pedal (4) all are used for carrying out the uniform velocity propelling movement with a brake block forward, every brake block all passes centering mechanism (5) and average degree detection mechanism (6) in proper order, average degree detection mechanism (6) include horizontal support, shell (7) and a plurality of pressure sensing piece of group, horizontal support straddles chain transport platform (3), the length direction of horizontal support is perpendicular to the transport direction of brake block, shell (7) and horizontal support sliding connection, and the length direction of shell (7) is unanimous, a plurality of pressure sensing piece of group are closely distributed in shell (7) along the length direction of horizontal support, every group pressure sensing piece all includes conflict piece (8) and conflict piece (9), the time of the corresponding one end of the perpendicular time of the pressure sensing piece of (8) is located in the shell (8) is passed through to the perpendicular pressure sensor (8) and is passed in the time of the corresponding detection piece (8) is passed down, the end is passed through to the pressure sensor (8), the top surface of hoof piece (1) is inconsistent with the vertical decurrent one end of every group conflict piece (8), the width of a plurality of groups conflict piece (8) is greater than hoof piece (1) top planar length, on shell (7) are located in centering mechanism (5), centering mechanism (5) are used for guaranteeing that the brake block is the state of centering and pass through roughness detection mechanism (6), centering mechanism (5) are including two gag lever posts (10) that can carry out dorsad and displacement in opposite directions respectively, two gag lever posts (10) elasticity link to each other, every gag lever post (10) are the inclined plane end towards the one end at chain transport platform (3) top, and the horizontal interval of two inclined plane ends is not greater than the width of brake block.
2. The high-precision multiple detection device for the brake pads according to claim 1, wherein the chain type conveying table (3) comprises a strip-shaped table seat (11) and two annular chains (12), the strip-shaped table seat (11) is horizontally arranged, a containing groove (13) is formed in the strip-shaped table seat (11), the two annular chains (12) are symmetrically rotated and arranged in the containing groove (13), the two annular chains (12) are distributed at intervals, each push plate (4) is horizontally arranged between the two annular chains (12), two ends of each push plate (4) are respectively fixedly connected with the two annular chains (12), a horizontal supporting table (14) is fixedly arranged in the containing groove (13), the length direction of the supporting table (14) is consistent with the length direction of the strip-shaped table seat (11), each push plate (4) is located above the supporting table (14), and each brake pad is horizontally arranged on the supporting table (14).
3. The brake pad high-precision multiple detection device according to claim 1, wherein the transverse support comprises two fixing shafts (15) which transversely span the strip-shaped pedestal (11) and are distributed up and down along the vertical direction, each fixing shaft (15) is erected above the strip-shaped pedestal (11), the axial direction of each fixing shaft (15) is perpendicular to the length direction of the strip-shaped pedestal (11), a connecting frame (16) is fixedly arranged at the top of the shell (7), each fixing shaft (15) horizontally passes through the connecting frame (16), a sliding sleeve (17) is arranged between each fixing shaft (15) and the connecting frame (16), the sliding sleeve (17) is fixedly connected with the connecting frame (16), and the sliding sleeve (17) is sleeved on the fixing shaft (15).
4. The high-precision multiple detection device for the brake pad according to claim 3, wherein the shell (7) is strip-shaped, the cross section of the shell (7) is L-shaped, the length direction of the shell (7) is vertical to the transportation direction of the brake pad, the vertical part of the shell (7) is upward, the horizontal part of the shell (7) faces towards the tail end of the chain type conveying table (3), a first mounting groove (18) is formed in the vertical part of the shell (7), a second mounting groove (19) is formed in the horizontal part of the shell (7), a vertical downward baffle plate (20) is formed in the horizontal part of the shell (7), each pressure sensor is fixedly arranged in the first mounting groove (18), each pressing sheet (8) comprises a supporting sheet (21) and a baffle sheet (22) which are connected end to end, the supporting sheet (21) horizontally extends into the second mounting groove (19), the baffle sheet (22) is vertically parallel to the baffle plate (20), the baffle sheet (22) is attached to the baffle plate (20), each supporting sheet (21) is provided with a second baffle plate (20), each supporting sheet (21) is fixedly arranged in the first mounting groove (18), each pressing sheet (8) and each pressing sheet is fixedly arranged at the second mounting groove (24), each pressing sheet (24) and each pressing sheet (23) and each pressing sheet is fixedly arranged at the position, u-shaped elastic pieces (25) are arranged between each abutting piece (8) and each pressure sensor (9), the opening of each U-shaped elastic piece (25) faces the rotating shaft (24), and two ends of each U-shaped elastic piece (25) are fixedly connected with the contact ends of the corresponding supporting piece (21) and the corresponding pressure sensor (9).
5. The high-precision multiple detection device for the brake pad according to claim 1, wherein the centering mechanism (5) further comprises a U-shaped plate (26), an opening of the U-shaped plate (26) is downward, the U-shaped plate (26) is fixedly connected with a vertical portion of the housing (7), each limiting rod (10) comprises a rack (27) and a side stop block (28), the two racks (27) are horizontal and are respectively connected with the two vertical portions of the U-shaped plate (26) in a sliding mode, the sliding direction of the racks (27) is perpendicular to the transportation direction of the brake pad, the side stop blocks (28) are fixedly arranged on the outer end portions of the racks (27), the side stop blocks (28) are perpendicular to the racks (27), inclined wedge blocks (29) facing the starting end of the chain type conveying table (3) are formed at the outer end portions of the side stop blocks (28), inclined planes of the two inclined wedge blocks (29) are oppositely arranged, gears (30) which are rotationally connected with the U-shaped plate (26) are arranged between the two racks (27), each rack (27) is meshed with the gears (30), and the two racks (27) are connected with the inclined wedge blocks (10) through the elastic wedge blocks.
6. The brake pad high-precision multiple detection device according to claim 5, wherein a first bar-shaped sliding seat (31) is fixedly connected to each vertical portion of the U-shaped plate (26), the first bar-shaped sliding seat (31) comprises two limit bars (32) which are distributed up and down, the length direction of each limit bar (32) is consistent with the length direction of the rack (27), and two slide grooves (33) matched with the limit bars (32) are formed in the upper surface and the lower surface of each first bar-shaped sliding seat (31).
7. The high-precision multiple detection device for the brake pad according to claim 5, wherein a support plate (34) extending horizontally towards the other rack (27) is fixedly arranged on the top surface of one rack (27), the two racks (27) are connected through a tension spring (35), the tension spring (35) is horizontal, one end of the tension spring (35) is fixedly connected with the support plate (34), and the other end of the tension spring (35) is fixedly connected with the corresponding rack (27).
8. The high-precision multiple detection device for the brake pad according to claim 4, wherein a second strip-shaped sliding seat (36) is fixedly connected to the baffle plate (20), the length direction of the second strip-shaped sliding seat (36) is parallel to the length direction of the shell (7), a sliding block (37) sliding along the length direction of the second strip-shaped sliding seat (36) is arranged in the second strip-shaped sliding seat (36), a fin (38) which is vertically downward is fixedly arranged on the sliding block (37), the width of the fin (38) is consistent with the width of a groove on the hoof block (1), and the fin (38) penetrates through the groove on the hoof block (1).
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| CN202410010379.8A CN117516456B (en) | 2024-01-04 | 2024-01-04 | Brake block high accuracy multiple detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410010379.8A CN117516456B (en) | 2024-01-04 | 2024-01-04 | Brake block high accuracy multiple detection device |
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| EP2947414A1 (en) * | 2014-05-06 | 2015-11-25 | Bremskerl-Reibbelagwerke Emmerling GmbH & Co. KG | Test device and method for testing functional features of disk brake pads for railway vehicles |
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| CN117516456A (en) | 2024-02-06 |
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