CN111981933A - Brake shoe runout amount detection device and detection method thereof - Google Patents
Brake shoe runout amount detection device and detection method thereof Download PDFInfo
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- CN111981933A CN111981933A CN202010744154.7A CN202010744154A CN111981933A CN 111981933 A CN111981933 A CN 111981933A CN 202010744154 A CN202010744154 A CN 202010744154A CN 111981933 A CN111981933 A CN 111981933A
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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Abstract
The invention provides a brake shoe runout amount detection device and a detection method thereof, the detection device comprises a workbench, one side of the upper end of the workbench is provided with a rotatable brake supporting seat, the other side of the upper end of the workbench is provided with a measurement mechanism, the measurement mechanism comprises a measurement arm arranged on the workbench, the measurement arm is provided with at least one measurement component, the measurement component comprises a hollow meter sleeve, one end of the meter sleeve, which is far away from the brake supporting seat, is provided with a measurement meter, the other end of the meter sleeve is provided with a hollow spring seat, an adjusting pad and a guide pillar which slides along the axial direction are arranged in the spring seat, one end of the guide pillar slides through the adjusting pad and abuts against a measuring head of the measurement meter, the other end of the guide pillar is provided with a limiting plate, a steel ball. The invention prolongs the service life of the measuring meter, reduces the missing detection rate and the error detection rate in the measurement, and improves the accuracy and the detection efficiency of the detection.
Description
Technical Field
The invention relates to the technical field of brake detection, in particular to a brake shoe bounce amount detection device and a brake shoe bounce amount detection method.
Background
The brake shoe runout amount is a key detection item of product quality, and the qualification rate and the quality stability of products are directly related to the accuracy and the reliability of the item detection. The brake shoe that has now beats mainly detects through the manual work by the gauge, because of the shoe has certain vertical height, appears lou examining easily and the false retrieval, and manual efficiency is lower moreover, and the amount of labour is big. When the jumping amount of the shoe is detected, the shoe needs to be rotated, and the conventional shoe jumping measurement has the following problems: 1. the inconsistent positioning of the horseshoes every time is easy to occur, so that the repeatability precision of the measurement result is poor; 2. the relative movement of the braking surface is easy to occur when the shoe rotates, so that the measurement accuracy is poor; 3. the surface of the horseshoe has certain roughness, so that the measuring meter is easily abraded, the service life of the measuring meter is shortened, and the measuring precision is influenced.
Disclosure of Invention
The invention provides a brake shoe runout amount detection device and a detection method thereof, which improve the service life of a measuring meter, reduce the missing detection rate and the wrong detection rate in measurement, improve the detection accuracy and the detection efficiency and reduce the labor intensity of workers.
The technical scheme of the invention is realized as follows: the utility model provides a stopper shoe runout amount detection device, comprises a workbench, one side of workstation upper end is provided with rotatable stopper supporting seat, the opposite side is provided with measuring mechanism, measuring mechanism is including setting up the measuring arm on the workstation, be provided with at least one measuring unit on the measuring arm, measuring unit includes hollow table cover, the one end that the stopper supporting seat was kept away from to the table cover is provided with the meter, the other end is provided with hollow spring holder, be provided with the adjustment pad in the spring holder and follow endwise slip's guide pillar, guide pillar one end slides and passes the adjustment pad, and offset with the measuring head of meter, the other end is provided with the limiting plate, be provided with the steel ball between the port of limiting plate and spring holder, the port of spring holder is stretched out to the steel ball part, be provided with on the.
Further, the stopper supporting seat includes along the vertical supporting cylinder that is fixed in on the workstation, it is provided with the main shaft to rotate through a plurality of bearings in the supporting cylinder, the top of main shaft is provided with the shank of bolt, be provided with the detachable locating plate on the shank of bolt, the downside at locating plate both ends all is fixed with the locating piece, the outside of locating piece is fixed with vertical locating lever, be fixed with the brace table on the main shaft between locating lever and the supporting cylinder, the upper end of brace table is provided with the location boss, main shaft and shank of bolt coaxial line set up, be provided with two location indicator poles on the lateral wall.
Furthermore, one end of the meter sleeve, which is close to the measuring meter, is symmetrically provided with open grooves along the axial direction, the outer side of each open groove is sleeved with a locking seat, a meter rod of the measuring meter is arranged in the meter sleeve, and the locking seats are used for fixedly connecting the meter rod and the meter sleeve.
Further, the measuring arm is including being fixed in the pole setting on the workstation, and the upper end cover of pole setting is equipped with an installation section of thick bamboo, and an installation section of thick bamboo passes through locking screw fixed with the pole setting and links to each other, and one side that the installation cover is close to the stopper supporting seat is provided with the horizon bar, and the free end of horizon bar is provided with the riser, is provided with vertical bar hole on the riser, and the one end that the table cover is close to the steel ball is fixed with the connecting plate, and the connecting plate passes through.
Further, the vertical 3 measuring component that are provided with of edge on the measuring arm, the measuring meter is percentage table or amesdial.
A brake shoe bounce amount detection method adopts the detection device and comprises the following steps:
(1) the method comprises the following steps that a brake to be detected is arranged on a brake supporting seat, the lower end of the brake is arranged on a supporting table, a positioning boss penetrates through a bottom plate shaft hole of the brake, one end, hinged to a shoe, of the brake corresponds to a positioning indication rod, the positioning indication rod corresponds to a rotating shaft of the shoe one by one, a positioning plate is arranged on a bolt rod, the lower end of the positioning rod is arranged in a connecting hole of a brake bottom plate, and the lower end of a positioning block abuts against the upper end of the brake bottom;
(2) the steel ball offsets with the lateral wall of stopper shoe, rotates the brace table, and the brace table passes through the shoe that the locating lever drove the stopper and rotates, and along with the rotation of shoe, promotes the axial displacement of steel ball along the spring holder, and the steel ball promotes the guide pillar along the axial displacement of spring holder, and the removal of guide pillar drives the removal of the measuring head of measuring meter to the realization is to the detection of stopper shoe runout volume.
The invention has the beneficial effects that:
the invention accurately measures the jumping amount of the brake shoe, greatly reduces the missing detection rate and the error detection rate in measurement, improves the detection accuracy and reduces the reworking and scrapping in processing; the accurate reverse improves the processing precision of the brake shoe during grinding, and is convenient for adjusting a machine tool during grinding; the detection efficiency is greatly improved, and the labor intensity of workers is reduced.
1. According to the brake supporting seat, the brake base is limited by the positioning rod and the positioning block, so that relative movement of a braking surface in the turnover process of the brake and damage to the measured precision in the turnover process are prevented, the consistency of the measurement state of a product is ensured, the measurement accuracy is improved, and meanwhile, the supporting seat and a measured piece are directionally installed together by matching with the positioning indicating rod, the positioning error of the measured piece in measurement is reduced, and the better repeated precision of the brake shoe jumping measurement is ensured;
2. the main shaft and the supporting cylinder are connected by two sets of high-rotation-precision bearings, so that the product is driven to rotate and measure, and the accuracy and the reliability of the detection device in detection are ensured.
3. The measuring assembly of the invention provides measurement transition through the adjusting pad, the meter sleeve, the guide pillar, the spring seat, the steel ball and the like, prevents the abrasion and abnormal damage of the measuring meter caused by large roughness of a measured piece, improves the durability and the service life of the measuring meter, and reduces the measurement cost;
4. the upper edge of the measuring arm is vertically provided with 3 measuring components, the upper part, the middle part, the lower part and the designated part of the measured part can be simultaneously detected, the detection efficiency is greatly improved, and the labor intensity of workers is reduced.
5. The radial runout error of the detection device is less than or equal to 0.02, the end face runout error is less than or equal to 0.02, and the detection device can be used for detecting the full runout of the peripheral surface of the brake shoe and measuring form and position tolerance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a brake support seat;
FIG. 3 is a perspective view of the measurement assembly;
FIG. 4 is a schematic diagram of the internal structure of the test assembly;
FIG. 5 is a schematic view of a measurement structure;
FIG. 6 is a schematic structural view of a use state of the present invention;
fig. 7 is a top view of the brake support shoe.
A work table 1;
the brake device comprises a brake supporting seat 2, a supporting cylinder 2-1, a spindle 2-2, a bolt rod 2-3, a positioning plate 2-4, a lower locking nut 2-5, a cushion block 2-6, an upper locking nut 2-7, a positioning block 2-8, a positioning rod 2-9, a supporting table 2-10, a positioning boss 2-11 and a positioning indication rod 2-12;
the device comprises a measuring arm 3, an upright rod 3-1, an installation cylinder 3-2, a horizontal rod 3-3, a vertical plate 3-4 and a strip-shaped hole 3-5;
the device comprises a measuring component 4, a meter sleeve 4-1, a measuring meter 4-2, a spring seat 4-3, an adjusting pad 4-4, a guide pillar 4-5, a limiting plate 4-6, a steel ball 4-7, a positioning groove 4-8, a spring 4-9, an open slot 4-10, a locking seat 4-11 and a connecting plate 4-12;
the brake comprises a brake 5, a brake bottom plate 5-1, a bottom plate shaft hole 5-2, a shoe 5-3, a rotating shaft 5-4 and a connecting hole 5-5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example one
As shown in fig. 1 and 3-6, a brake shoe runout amount detection device comprises a workbench 1, a rotatable brake support seat 2 is installed on one side of the upper end of the workbench 1, a measurement mechanism is arranged on the other side of the upper end of the workbench 1, the measurement mechanism comprises a measurement arm 3 fixed on the workbench 1, 3 measurement components 4 are vertically installed on the measurement arm 3, each measurement component 4 comprises a hollow meter sleeve 4-1, one end of the meter sleeve 4-1 far away from the brake support seat 2 is fixed with a measurement meter 4-2, the other end of the meter sleeve 4-1 is fixed with a hollow spring seat 4-3, an adjustment pad 4-4 and a guide pillar 4-5 sliding along the axial direction are arranged in the spring seat 4-3, the adjustment pad 4-3 is fixed in the spring seat 4-3, one end of the guide pillar 4-5 slides through the adjustment pad 4-4 and abuts against, a limiting plate 4-6 is fixed at the other end, the guide rod and the limiting plate 4-6 are of an integral structure, a steel ball 4-7 is arranged in a spring seat 4-3 at one side of the limiting plate 4-6, which is far away from the guide post 4-5, a positioning groove 4-8 matched with one end of the steel ball 4-7 is arranged on the limiting plate 4-6, the other end of the steel ball 4-7 extends out of the spring seat 4-3, the diameter of the steel ball 4-7 is larger than the inner diameter of the end opening of the spring seat 4-3, a spring 4-9 is sleeved on the guide post 4-5 between the limiting plate 4-6 and the adjusting pad 4-4, and a measuring meter 4-.
The application method of the embodiment comprises the following steps: the brake 5 is installed on the brake supporting seat 2, the steel ball 4-7 abuts against the outer side wall of the shoe 5-3, the brake 5 is driven to rotate by rotating the base of the brake 5, the steel ball 4-7 is pushed to move along the axial direction of the spring seat 4-3 along with the rotation of the shoe 5-3, the guide pillar 4-5 is pushed to move along the axial direction of the spring seat 4-3 by the steel ball 4-7, and the measuring head of the measuring meter 4-2 is driven to move by the movement of the guide pillar 4-5, so that the jumping quantity of the shoe of the brake is detected. 3 measuring component 4 are vertically installed along on the measuring arm 3, can carry out the radial runout to the three position about the hoof iron 5-3 simultaneously and detect, improve measuring precision and efficiency.
Example two
This embodiment is substantially the same as the first embodiment, except that: as shown in fig. 3-5, one end of the meter case 4-1 close to the measuring meter 4-2 is symmetrically provided with an axial open slot 4-10, the open slot 4-10 facilitates the meter rod of the measuring meter 4-2 to be arranged in the meter case 4-1, the outside of the open slot 4-10 is sleeved with a locking seat 4-11, the locking seat 4-11 is provided with an open end, the open end is fixedly connected through a bolt, the meter rod of the measuring meter 4-2 is arranged in the meter case 4-1, the locking seat 4-11 is sleeved on the outside of the open slot 4-10, and the meter rod and the meter case 4-1 are fixedly connected through the locking seat, so that the situation that the position of the measuring meter 4-2 is changed to cause inaccurate detection results is avoided.
As shown in figure 1, the measuring arm 3 comprises a vertical rod 3-1 fixed on the workbench 1, an installation cylinder 3-2 is sleeved at the upper end of the vertical rod 3-1, the installation cylinder 3-2 is fixedly connected with the vertical rod 3-1 through a locking screw, a horizontal rod 3-3 is fixed on one side of the installation sleeve close to the brake supporting seat 2, a vertical plate 3-4 is fixed at the free end of the horizontal rod 3-3, a vertical strip-shaped hole 3-5 is formed in the vertical plate 3-4, a connecting plate 4-12 is fixed at one end of the surface sleeve close to the steel ball 4-7, the connecting plate 4-12 is fixedly connected with the strip-shaped hole 3-5 through a connecting bolt, the measuring component 4 and the strip-shaped hole 3-5 are convenient and quick to install, and the position of the measuring component 4.
EXAMPLE III
The embodiment is basically the same as the first embodiment, except that, as shown in fig. 1, 2 and 6-7, the brake supporting seat 2 comprises a supporting cylinder 2-1 vertically fixed on the workbench 1, a main shaft is rotatably connected in the supporting cylinder 2-1 through two bearings, a bolt rod 2-3 is fixedly connected to the top end of the main shaft through a thread, a detachable positioning plate 2-4 is installed on the bolt rod 2-3, a mounting hole with a diameter larger than that of the bolt rod 2-3 is arranged on the positioning plate 2-4, the positioning plate 2-4 is sleeved on the bolt rod 2-3 through the mounting hole, the bolt rod 2-3 at the lower end of the positioning plate 2-4 is provided with a lower locking nut 2-5, and the bolt rod 2-3 at the upper end is sleeved with a cushion block 2-6 and an upper locking nut 2-7.
The lower sides of the two ends of the positioning plate 2-4 are respectively fixed with a positioning block 2-8, and the lower end of the positioning block 2-8 is propped against the upper end of the brake bottom plate 5-1. The outer side of the positioning block 2-8 is fixed with a vertical positioning rod 2-9, a support table 2-10 is fixed on a main shaft between the positioning rod 2-9 and the support cylinder 2-1, the upper end of the support table 2-10 is fixed with a positioning boss 2-11, the main shaft and a bolt rod 2-3 are coaxially and fixedly connected, and the side wall of the support table 2-10 is provided with two positioning indication rods 2-12.
The application method of the embodiment comprises the following steps: the method comprises the steps that a brake 5 to be detected is arranged on a brake supporting seat 2, the lower end of the brake 5 is arranged on a supporting table 2-10, a positioning boss 2-11 penetrates through a bottom plate shaft hole 5-2 of the brake 5, one end, hinged to a brake shoe, of the brake corresponds to a positioning indication rod 2-12, the positioning indication rod 2-12 corresponds to a rotating shaft 5-4 of the brake shoe 5-3 one by one, a positioning plate 2-4 is arranged on a bolt rod 2-3, the lower end of a positioning rod 2-9 is arranged in a connecting hole of the brake bottom plate 5-1, and the lower end of a positioning block 2-8 abuts against the upper end of the brake bottom plate 5. The structure adopts two bearings to connect the main shaft, so that the rotating stability of the main shaft is improved, the lower end of the positioning block 2-8 is abutted against the upper end of the brake bottom plate 5-1 through the matching of the positioning rod 2-9 and the connecting hole, a supporting table 2-10 is convenient to drive the brake 5 to rotate simultaneously, the rotating stability is ensured, the axial shaking is avoided, the detection accuracy is influenced, meanwhile, the positioning indicating rod 2-12 corresponds to the rotating shaft 5-4 of the shoe 5-3, the repeated measurement of the brake shoe jumping detection is convenient, and better repeated precision is obtained.
Example four
As shown in fig. 1, 6 and 7, a method for detecting the jumping amount of a brake shoe by using the detecting device comprises the following steps:
(1) the method comprises the following steps that a brake 5 to be detected is arranged on a brake supporting seat 2, the lower end of the brake 5 is arranged on a supporting table 2-10, a positioning boss 2-11 penetrates through a bottom plate shaft hole 5-2 of the brake 5, one end, hinged to a brake shoe, of the brake corresponds to a positioning indication rod 2-12, the positioning indication rod 2-12 corresponds to a rotating shaft 5-4 of the brake shoe 5-3 one by one, a positioning plate 2-4 is arranged on a bolt rod 2-3, the lower end of a positioning rod 2-9 is arranged in a connecting hole of the brake bottom plate 5-1, and the lower end of a positioning block 2-8 abuts against the upper end of the brake bottom plate;
(2) the steel ball 4-7 abuts against the outer side wall of the brake shoe, the support table 2-10 is rotated, the support table 2-10 drives the shoe 5-3 of the brake 5 to rotate through the positioning rod 2-9, the steel ball 4-7 is pushed to move along the axial direction of the spring seat 4-3 along with the rotation of the shoe 5-3, the steel ball 4-7 pushes the guide pillar 4-5 to move along the axial direction of the spring seat 4-3, and the movement of the guide pillar 4-5 drives the movement of the measuring head of the measuring meter 4-2, so that the jumping quantity of the brake shoe is detected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a stopper shoe runout amount detection device, includes workstation (1), its characterized in that: one side of the upper end of the workbench (1) is provided with a rotatable brake supporting seat (2), the other side is provided with a measuring mechanism, the measuring mechanism comprises a measuring arm (3) arranged on the workbench (1), the measuring arm (3) is provided with at least one measuring component (4), the measuring component (4) comprises a hollow meter sleeve (4-1), one end of the meter sleeve (4-1) far away from the brake supporting seat (2) is provided with a measuring meter (4-2), the other end is provided with a hollow spring seat (4-3), the spring seat (4-3) is internally provided with an adjusting pad (4-4) and a guide pillar (4-5) sliding along the axial direction, one end of the guide pillar (4-5) slides through the adjusting pad (4-4) and is abutted against a measuring head of the measuring meter (4-2), and the other end is provided with a, a steel ball (4-7) is arranged between the limiting plate (4-6) and the end opening of the spring seat (4-3), the steel ball (4-7) partially extends out of the end opening of the spring seat (4-3), a positioning groove (4-8) matched with the steel ball (4-7) is arranged on the limiting plate (4-6), and a spring (4-9) is sleeved on a guide pillar (4-5) between the limiting plate (4-6) and the adjusting pad (4-4).
2. The brake shoe run-out detecting device according to claim 1, wherein: the brake supporting seat (2) comprises a supporting cylinder (2-1) which is vertically fixed on the workbench (1), a spindle (2-2) is rotatably arranged in the supporting cylinder (2-1) through a plurality of bearings, a bolt rod (2-3) is arranged at the top end of the spindle (2-2), a detachable positioning plate (2-4) is arranged on the bolt rod (2-3), positioning blocks (2-8) are fixed on the lower sides of the two ends of the positioning plate (2-4), vertical positioning rods (2-9) are fixed on the outer sides of the positioning blocks (2-8), a supporting table (2-10) is fixed on the spindle (2-2) between the positioning rods (2-9) and the supporting cylinder (2-1), and a positioning boss (2-11) is arranged at the upper end of the supporting table (2-10), the positioning boss (2-11), the main shaft (2-2) and the bolt rod (2-3) are coaxially arranged, and two positioning indication rods (2-12) are arranged on the side wall of the support table (2-10).
3. The brake shoe run-out detecting device according to claim 1, wherein: one end of the meter sleeve (4-1) close to the measuring meter (4-2) is symmetrically provided with an axial open slot (4-10), the outer side of the open slot (4-10) is sleeved with a locking seat (4-11), a meter rod of the measuring meter (4-2) is arranged in the meter sleeve (4-1), and the locking seat (4-11) is used for fixedly connecting the meter rod with the meter sleeve (4-1).
4. The brake shoe run-out detecting device according to claim 1, wherein: the measuring arm (3) comprises a vertical rod (3-1) fixed on the workbench (1), an installation cylinder (3-2) is sleeved at the upper end of the vertical rod (3-1), the installation cylinder (3-2) is fixedly connected with the vertical rod (3-1) through a locking screw, a horizontal rod (3-3) is arranged on one side of the installation sleeve close to the brake supporting seat (2), a vertical plate (3-4) is arranged at the free end of the horizontal rod (3-3), a vertical strip-shaped hole (3-5) is formed in the vertical plate (3-4), a connecting plate (4-12) is fixed at one end of the gauge sleeve (4-1) close to the steel ball (4-7), and the connecting plate (4-12) is fixedly connected with the strip-shaped hole (3-5) through a connecting bolt.
5. The brake shoe run-out detecting device according to claim 1, wherein: the measuring arm (3) is vertically provided with 3 measuring components (4), and the measuring meter (4-2) is a dial indicator or a dial indicator.
6. A method for detecting the amount of brake shoe bounce, using the detection device of any one of claims 1-5, comprising the steps of:
(1) the method comprises the steps that a brake (5) to be detected is placed on a brake supporting seat (2), the lower end of the brake (5) is placed on a supporting table (2-10), a positioning boss (2-11) penetrates through a bottom plate shaft hole (5-2) of the brake (5), one end, hinged to a brake shoe (5-3), corresponds to a positioning indication rod (2-12), the positioning indication rod (2-12) corresponds to a rotating shaft (5-4) of the shoe (5-3) one by one, a positioning plate (2-4) is installed on a bolt rod (2-3), the lower end of the positioning rod (2-9) is placed in a connecting hole (5-5) of a bottom plate of the brake (5), and the lower end of a positioning block (2-8) abuts against the upper end of the bottom plate of the brake (5);
(2) the steel ball (4-7) is abutted against the outer side wall of the brake shoe (5-3), the support table (2-10) is rotated, the support table (2-10) drives the shoe (5-3) of the brake (5) to rotate through the positioning rod (2-9), the steel ball (4-7) is pushed to move axially along the spring seat (4-3) along with the rotation of the shoe (5-3), the steel ball (4-7) pushes the guide pillar (4-5) to move axially along the spring seat (4-3), and the movement of the guide pillar (4-5) drives the measuring head of the measuring gauge (4-2) to move, so that the jumping amount of the brake shoe (5-3) is detected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010744154.7A CN111981933A (en) | 2020-07-29 | 2020-07-29 | Brake shoe runout amount detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010744154.7A CN111981933A (en) | 2020-07-29 | 2020-07-29 | Brake shoe runout amount detection device and detection method thereof |
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| CN113124727A (en) * | 2021-04-06 | 2021-07-16 | 无锡日升量仪有限公司 | Thin wall class part detection device that beats |
| CN113483615A (en) * | 2021-06-25 | 2021-10-08 | 东风柳州汽车有限公司 | Auto parts detects structure |
| CN115585762A (en) * | 2022-10-11 | 2023-01-10 | 浙江赛艾孚科技有限公司 | Automatic inspection equipment for brake shoe assembly |
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Application publication date: 20201124 |