CN215893507U - Brake shoe detection device - Google Patents
Brake shoe detection device Download PDFInfo
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- CN215893507U CN215893507U CN202121686903.1U CN202121686903U CN215893507U CN 215893507 U CN215893507 U CN 215893507U CN 202121686903 U CN202121686903 U CN 202121686903U CN 215893507 U CN215893507 U CN 215893507U
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Abstract
The utility model relates to the technical field of brake shoe detection, and discloses a brake shoe detection device. The brake shoe detection device comprises a fixed shaft, a fixed cylinder and a swivel bracket, wherein the fixed cylinder is arranged on the fixed shaft and is coaxial with the fixed shaft, and the brake shoe is arranged on the fixed cylinder; the swivel support is provided with first fixed arm and bush, and first fixed arm includes bracing piece and dead lever, and bracing piece one end is passed through the bush and is installed in the fixed axle, and the dead lever is installed to the other end, and the dead lever is parallel with the axis of fixed axle, and two displacement sensor are installed at the interval on the dead lever, and displacement sensor is located the outside of brake shoe, and displacement sensor can measure the position point information of displacement sensor perpendicular to brake shoe. The utility model realizes the automatic detection of the verticality of the outer arc surface of the brake shoe, greatly saves manpower, material resources and time, and greatly improves the measurement precision.
Description
Technical Field
The utility model relates to the technical field of brake shoe detection, in particular to a brake shoe detection device.
Background
The automobile brake friction plate is also called a brake shoe, is the most critical safety part of an automobile safety system, is the guarantee of automobile safety, and the brake shoe plays a decisive role in the brake performance, and the material of the brake shoe and the appearance geometric dimension of the brake shoe are very important designs. However, the appearance size of the brake shoe can change along with the friction of the brake shoe, and the braking performance of the automobile can be affected, so the brake shoe can be replaced after the service life of the automobile is reached. Therefore, the measurement of the perpendicularity of the brake shoe is very important. In the prior art, the brake shoe is usually detected by adopting a manual dial indicator beating mode, but the testing mode has low efficiency and high requirement on the skill of workers, and the precision is difficult to guarantee due to the fact that the workers are easy to fatigue after working for a long time.
Accordingly, there is a need for a brake shoe detection device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide a brake shoe detection device, which can be used for automatically detecting the perpendicularity of the outer arc surface of a brake shoe, greatly saving manpower, material resources and time and greatly improving the measurement precision.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a brake shoe detection apparatus for detecting a brake shoe, comprising:
a fixed shaft;
the fixed cylinder is arranged on the fixed shaft and is coaxial with the fixed shaft, and the brake shoe is arranged on the fixed cylinder;
the change support, the change support is provided with first fixed arm and bush, first fixed arm includes bracing piece and dead lever, bracing piece one end pass through the bush install in the fixed axle, the other end is installed the dead lever, the dead lever with the axis of fixed axle is parallel, two displacement sensor are installed at the interval on the dead lever, just displacement sensor is located the outside of brake shoe, displacement sensor can measure the displacement sensor perpendicular to the position point information of brake shoe.
As a preferred technical scheme of brake shoe detection device, the bush is rotatably installed on the fixed shaft.
As an optimal technical scheme of the brake shoe detection device, the brake shoe detection device further comprises a driving piece, wherein the driving piece is in driving connection with the swivel bracket, and the driving piece can drive the swivel bracket to rotate around the fixed shaft at a constant speed.
As an optimal technical scheme of the brake shoe detection device, a plurality of horizontal quick clamps are arranged on the outer side wall of the fixed cylinder, and the brake shoe is clamped and installed on the fixed cylinder through the horizontal quick clamps.
As an optimal technical scheme of the brake shoe detection device, the number of the brake shoes is two, and the two brake shoes are symmetrically arranged on the fixed cylinder.
As an optimal technical scheme of the brake shoe detection device, the swivel bracket is further provided with a second fixed arm, the second fixed arm has the same structure as the first fixed arm, two displacement sensors are mounted on the second fixed arm at intervals, the displacement sensors on the first fixed arm and the displacement sensors on the second fixed arm are symmetrically arranged relative to the axis of the fixed shaft, and the axes of the four displacement sensors and the axis of the fixed shaft are in the same plane.
As a preferred technical scheme of a brake shoe detection device, a plurality of fixing holes are arranged on the supporting rod at intervals, and the fixing rod is selectively installed in one of the fixing holes.
As an optimal technical scheme of the brake shoe detection device, a threaded hole is formed in one end, close to the fixing hole, of the fixing rod, and a screw penetrates through the fixing hole and is in threaded connection with the threaded hole, so that the fixing rod is installed on the supporting rod.
As an optimal technical scheme of the brake shoe detection device, the brake shoe detection device further comprises a base and two support frames, the two support frames are installed on the base, and two ends of the fixing shaft are respectively fixed on the two support frames.
As a preferred technical scheme of the brake shoe detection device, the displacement sensor is an electromagnetic displacement sensor.
The utility model has the beneficial effects that:
the utility model provides a brake shoe detection device which can detect the verticality of the outer arc surface of a brake shoe. During the measurement, install the brake shoe on fixed cylinder earlier, the first fixed arm of swivel support is provided with two displacement sensor, and two displacement sensor detect the displacement sensor perpendicular to brake shoe's position point information respectively, and position point information includes the distance of displacement sensor distance brake shoe. Then by the formula
And (3) calculating the verticality of the outer arc surface of the brake shoe, wherein f is the distance difference between the two displacement sensors and the brake shoe, I is the distance between the two displacement sensors, H is the width of the brake shoe, and L is the verticality of the outer arc surface of the brake shoe. According to the utility model, the brake shoe is only manually installed on the fixed cylinder, so that the verticality of the outer arc surface of the brake shoe can be automatically detected, the manpower, material resources and time are greatly saved, and the measurement precision is also greatly improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and 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 contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a front view of a brake shoe detection assembly according to an embodiment of the present invention;
FIG. 2 is a top view of a brake shoe detection assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a swivel bracket according to an embodiment of the present invention.
The figures are labeled as follows:
100. a brake shoe;
1. a fixed shaft; 2. a fixed cylinder; 21. a horizontal rapid clamp; 3. a swivel support; 31. a first fixed arm; 311. a support bar; 3111. a fixing hole; 312. fixing the rod; 32. a bushing; 33. a second fixed arm; 4. a displacement sensor; 5. a base; 6. a support frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the prior art, the brake shoe is usually detected by adopting a manual dial indicator beating mode, but the testing mode has low efficiency and high requirement on the skill of workers, and the precision is difficult to guarantee due to the fact that the workers are easy to fatigue after working for a long time.
To solve the above problem, as shown in fig. 1 to 3, the present embodiment provides a brake shoe detection apparatus, which includes a fixed shaft 1, a fixed cylinder 2 and a swivel bracket 3.
Specifically, the fixed cylinder 2 is arranged on the fixed shaft 1 and is coaxial with the fixed shaft 1, and the brake shoe 100 is mounted on the fixed cylinder 2; swivel support 3 is provided with first fixed arm 31 and bush 32, and first fixed arm 31 includes bracing piece 311 and dead lever 312, and bracing piece 311 one end is installed in fixed axle 1 through bush 32, and dead lever 312 is installed to the other end, and dead lever 312 is parallel with the axis of fixed axle 1, and two displacement sensor 4 are installed at the interval on the dead lever 312, and displacement sensor 4 is located the outside of brake shoe 100, and displacement sensor 4 can measure the position point information of displacement sensor 4 perpendicular to brake shoe 100. Preferably, in this embodiment, the displacement sensor 4 is an electromagnetic displacement sensor, so as to reduce the cost of the displacement sensor 4. In other embodiments, the displacement sensor 4 may also be a laser displacement sensor. It should be noted that the fixing manner of the displacement sensor 4 to the fixing rod 312 may be clamping, bonding, screwing, or welding, and the fixing manner is a conventional assembly manner, which is not described herein again.
During the measurement, install brake shoe 100 on fixed cylinder 2 earlier, the first fixed arm 31 of swivel support 3 is provided with two displacement sensor 4, and two displacement sensor 4 detect the position point information of displacement sensor 4 perpendicular to brake shoe 100 respectively, and the position point information includes the distance of displacement sensor 4 distance brake shoe 100. Then by the formula
And (3) calculating the verticality of the outer arc surface of the brake shoe 100, wherein f is the distance difference between the two displacement sensors 4 and the brake shoe 100, I is the distance between the two displacement sensors 4, H is the width of the brake shoe 100, and L is the verticality of the outer arc surface of the brake shoe 100. This embodiment only needs the manual work to install brake shoe 100 on fixed drum 2, just can realize the straightness's that hangs down automated inspection of brake shoe 100 extrados face, very big manpower, material resources and time of having saved have also improved measurement accuracy simultaneously greatly.
Preferably, the bush 32 is rotatably mounted on the fixed shaft 1 so that the first fixing arm 31 rotates around the brake shoe 100, thereby enabling measurement of the perpendicularity of any position of the brake shoe 100. Further preferably, the brake shoe detection device further comprises a driving part, the driving part is in driving connection with the swivel bracket 3, and the driving part can drive the swivel bracket 3 to rotate around the fixed shaft 1 at a constant speed. The driving piece drives the swivel bracket 3 to rotate around the fixed shaft 1 at a constant speed, the distance between the displacement sensor 4 and the brake shoe 100 is acquired at regular intervals, and the perpendicularity of the brake shoe 100 is calculated, so that the perpendicularity of the whole brake shoe 100 can be obtained, and the detection data comprehensiveness of the brake shoe 100 is improved.
In this embodiment, the driving member (not shown in the drawings) is a motor, a gear is disposed on the bushing 32, and a driving shaft of the motor is engaged with the gear to drive the swivel bracket 3 to rotate. Of course, in other embodiments, the bushing 32 may also be provided with a pulley, and the driving shaft of the motor is drivingly connected to the pulley, and can also drive the swivel bracket 3 to rotate around the fixed shaft 1.
Alternatively, a plurality of horizontal quick clamps 21 are disposed on the outer side wall of the fixed cylinder 2, and the brake shoe 100 is clamped and mounted on the fixed cylinder 2 by the horizontal quick clamps 21. In this embodiment, the two sides of the brake shoe 100 along the width direction are respectively clamped and fixed by at least one horizontal quick clamp 21. It should be noted that the shape and principle of the horizontal quick clamp 21 are the prior art, and are not described herein again. Also, the shape of the outer sidewall of the stationary cylinder 2 is matched with the shape of the inner sidewall of the brake shoe 100 to improve the installation stability of the brake shoe 100.
Further preferably, the number of the brake shoes 100 is two, and the two brake shoes 100 are symmetrically installed on the fixed cylinder 2. Through swivel support 3 around fixed axle 1 rotation, realized a clamping, can measure the straightness that hangs down of two brake shoes 100, improve detection efficiency.
Preferably, the swivel bracket 3 is further provided with a second fixing arm 33, the second fixing arm 33 has the same structure as the first fixing arm 31, two displacement sensors 4 are mounted on the second fixing arm 33 at intervals, the displacement sensors 4 on the first fixing arm 31 and the displacement sensors 4 on the second fixing arm 33 are symmetrically arranged relative to the axis of the fixed shaft 1, and the four displacement sensors 4 and the axis of the fixed shaft 1 are in the same plane. The displacement sensors 4 on the first fixing arm 31 and the second fixing arm 33 measure the verticality of the brake shoe plates 100 on two sides simultaneously, and the measuring efficiency is improved.
It should be noted that, the brake shoe detection device can also measure the outer diameter values of two brake shoes 100, the displacement sensor 4 on the first fixing arm 31 and the displacement sensor 4 on the second fixing arm 33 are oppositely arranged, and the axes of the four displacement sensors 4 and the fixing cylinder 2 are in the same plane, so that the distance between two position points can be obtained according to the position point information measured by the two oppositely arranged displacement sensors 4, and further the outer diameter value of the two brake shoes 100 at the measuring point in the plane can be obtained. The brake shoe detection device comprises two sets of displacement sensors 4 which are oppositely arranged and respectively measure two outer diameter values D1And D2. In this embodiment, two sets of displacement sensors are oppositely arranged4 are located at the same distance from the centerline of the brake shoe 100 in the width direction, and thus are according to formula DIn＝(D1+D2) A/2, the outer diameter D of the middle part of the brake shoe 100 can be obtainedIn，DInComparing the standard outside diameter values D of the two brake shoes 100Sign board(DSign boardA standard outer diameter value measured when the standard size brake shoe 100 is mounted on the stationary cylinder 2), a diameter deviation is obtained. The driving piece drives the swivel bracket 3 to rotate around the fixed shaft 1 at a constant speed, and the diameter deviation value is measured at regular intervals, so that the diameter deviation value in the whole brake shoe 100 range can be obtained, the detection data comprehensiveness of the brake shoe 100 is improved, and a worker knows the wear degree of the brake shoe 100 according to the diameter deviation value.
The thickness of the brake shoe 100 is more than the specification due to the different types of the brake shoes 100. Further preferably, a plurality of fixing holes 3111 are arranged on the supporting rod 311 at intervals, and the fixing rod 312 is selectively installed in one of the fixing holes 3111, so that the position of the fixing rod 312 relative to the supporting rod 311 is adjustable, and further, the distance between the displacement sensor 4 and the outer side wall of the fixing cylinder 2 is adjusted, so as to meet the installation and detection requirements of brake shoes 100 of various models, and improve the universality of the brake shoe detection device. In this embodiment, the positions of the fixing rods 312 of the first fixing arm 31 and the second fixing arm 33 relative to the support rod 311 are adjustable. Preferably, a threaded hole is formed at one end of the fixing rod 312 near the fixing hole 3111, and a screw is inserted through the fixing hole 3111 and is screwed into the threaded hole, so that the fixing rod 312 is mounted on the supporting rod 311. Of course, in other embodiments, the fixing hole 3111 may also be a threaded hole, the fixing rod 312 is screwed into the fixing hole 3111, and nuts are disposed on two sides of the fixing hole 3111 for locking, so that the fixing rod 312 is mounted on the supporting rod 311. It should be noted that when the fixed lever 312 is adjusted in position with respect to the support rod 311, it is necessary to ensure that the displacement sensor 4 of the first fixing arm 31 and the displacement sensor 4 of the second fixing arm 33 are symmetrical with respect to the axis of the fixed cylinder 2 and are in the same plane as the axis of the fixed cylinder 2.
Preferably, this brake shoe detection device still includes base 5 and two support frames 6, and two support frames 6 are installed on base 5, and the both ends of fixed axle 1 are fixed in respectively on two support frames 6.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A brake shoe detection apparatus for detecting a brake shoe (100), comprising:
a stationary shaft (1);
the brake shoe comprises a fixed cylinder (2), a brake shoe, a brake block and a brake block, wherein the fixed cylinder (2) is arranged on the fixed shaft (1) and is coaxial with the fixed shaft (1), and the brake shoe (100) is arranged on the fixed cylinder (2);
swivel support (3), swivel support (3) are provided with first fixed arm (31) and bush (32), first fixed arm (31) are including bracing piece (311) and dead lever (312), bracing piece (311) one end is passed through bush (32) install in fixed axle (1), the other end is installed dead lever (312), dead lever (312) with the axis of fixed axle (1) is parallel, two displacement sensor (4) are installed at the interval on dead lever (312), just displacement sensor (4) are located the outside of brake shoe (100), displacement sensor (4) can measure displacement sensor (4) perpendicular to the position point information of brake shoe (100).
2. A brake shoe detection device according to claim 1, wherein the bushing (32) is rotatably mounted on the stationary shaft (1).
3. The brake shoe detection device according to claim 1, further comprising a driving member, wherein the driving member is drivingly connected to the swivel bracket (3), and the driving member can drive the swivel bracket (3) to rotate around the fixed shaft (1) at a constant speed.
4. The brake shoe detection device according to claim 1, wherein a plurality of horizontal quick clamps (21) are disposed on an outer sidewall of the fixed cylinder (2), and the brake shoe (100) is clamped and mounted on the fixed cylinder (2) through the horizontal quick clamps (21).
5. The brake shoe detection device according to claim 2, wherein the number of the brake shoes (100) is two, and two brake shoes (100) are symmetrically mounted on the fixed cylinder (2).
6. The brake shoe detection device according to claim 1, wherein the swivel bracket (3) is further provided with a second fixing arm (33), the second fixing arm (33) has the same structure as the first fixing arm (31), two displacement sensors (4) are mounted on the second fixing arm (33) at intervals, the displacement sensors (4) on the first fixing arm (31) and the displacement sensors (4) on the second fixing arm (33) are symmetrically arranged relative to the axis of the fixing shaft (1), and the axes of the four displacement sensors (4) and the axis of the fixing shaft (1) are in the same plane.
7. The brake shoe detection apparatus according to claim 1, wherein a plurality of fixing holes (3111) are formed at intervals in the supporting rod (311), and the fixing rod (312) is selectively installed in one of the fixing holes (3111).
8. The brake shoe detection device according to claim 7, wherein a threaded hole is formed at an end of the fixing rod (312) close to the fixing hole (3111), and a screw is inserted into the fixing hole (3111) and threadedly connected to the threaded hole, so that the fixing rod (312) is mounted on the supporting rod (311).
9. The brake shoe detection device according to claim 1, further comprising a base (5) and two support frames (6), wherein the two support frames (6) are mounted on the base (5), and two ends of the fixed shaft (1) are respectively fixed on the two support frames (6).
10. A brake shoe detection arrangement according to claim 1, wherein the displacement sensor (4) is an electromagnetic displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121686903.1U CN215893507U (en) | 2021-07-23 | 2021-07-23 | Brake shoe detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121686903.1U CN215893507U (en) | 2021-07-23 | 2021-07-23 | Brake shoe detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215893507U true CN215893507U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121686903.1U Active CN215893507U (en) | 2021-07-23 | 2021-07-23 | Brake shoe detection device |
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| Country | Link |
|---|---|
| CN (1) | CN215893507U (en) |
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2021
- 2021-07-23 CN CN202121686903.1U patent/CN215893507U/en active Active
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