CN213332155U - Mechanical alarm device for abrasion of friction plate of hydraulic drum type self-energizing brake - Google Patents
Mechanical alarm device for abrasion of friction plate of hydraulic drum type self-energizing brake Download PDFInfo
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- CN213332155U CN213332155U CN202022295924.2U CN202022295924U CN213332155U CN 213332155 U CN213332155 U CN 213332155U CN 202022295924 U CN202022295924 U CN 202022295924U CN 213332155 U CN213332155 U CN 213332155U
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Abstract
The utility model discloses a hydraulic pressure drum formula self-energizing brake friction disc wearing and tearing mechanical alarm device, including braking bottom plate and warning spring leaf, one side fixedly connected with holding pin of braking bottom plate, one side swing joint of holding pin has first brake shoe, the first welt of one side fixedly connected with of first brake shoe, the first friction disc of one side fixedly connected with of first welt, and the mounting hole has all been seted up to one side of first friction disc and first welt, one side integrated into one piece of warning spring leaf has the solder joint, and one side and the solder joint of first welt weld mutually. The utility model discloses not only can wear and tear the friction disc to the certain degree when, timely report to the police to the personnel to use through the monolithic warning spring leaf has reduced the cost of manufacture, and the precision of reporting to the police is higher, can also strengthen being connected between warning spring leaf and the product, improves the security that the product used, can also keep the sensitivity of brake, improves the brake effect.
Description
Technical Field
The utility model relates to a braking piece wearing and tearing warning technical field especially relates to a hydraulic pressure drum formula is from reinforcement brake friction disc wearing and tearing mechanical alarm device.
Background
The friction plate is continuously abraded due to frequent braking in the use process of the automobile brake. When the friction plate reaches the use limit size, the friction plate (or the brake shoe assembly) needs to be replaced, otherwise, the situation of insufficient braking force or even brake failure occurs, great hidden danger is brought to driving safety, due to factors such as road conditions, use habits and the like, the service life and the abrasion degree of the friction plate are different, the friction plate is abraded to the limit size when the time or the mileage specified on the use specification is not reached, and a user knows nothing,
the traditional automobile brake is provided with a wear alarm spring leaf at the end part of each of the front brake shoe and the rear brake shoe of the self-energizing brake, but the alarm spring leaf is not arranged in the area where the friction plate is worn most quickly, so that the use precision of the alarm spring leaf is reduced, and the use requirements of people cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a mechanical alarm device for abrasion of a friction plate of a hydraulic drum type self-energizing brake.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mechanical abrasion alarm device for a hydraulic drum type self-energizing brake friction plate comprises a brake base plate and an alarm spring piece, wherein a supporting pin is fixedly connected to one side of the brake base plate, a first brake shoe is movably connected to one side of the supporting pin, a first lining plate is fixedly connected to one side of the first brake shoe, a first friction plate is fixedly connected to one side of the first lining plate, mounting holes are formed in one sides of the first friction plate and the first lining plate, a welding spot is integrally formed in one side of the alarm spring piece, one side of the first lining plate is welded to the welding spot, one end of the alarm spring piece penetrates through the first lining plate and the mounting holes in the first friction plate, a second brake shoe is movably connected to one side of the supporting pin, a second lining plate is fixedly connected to one side of the second brake shoe, a second friction plate is fixedly connected to one side of the second lining plate, and two reset springs are movably connected, and the other end of the return spring is movably connected with the first brake shoe and the second brake shoe respectively, one side of the brake bottom plate is fixedly connected with a brake wheel cylinder, and pistons at two ends of the brake wheel cylinder are in contact with the first brake shoe and the second brake shoe respectively.
As the utility model discloses scheme further again, the locating hole has been seted up to one side of backing plate 10, and one side swing joint of locating hole has two locating levers 15, and locating lever 15 pass first brake shoe 8 and second brake shoe 801 respectively and with first brake shoe 8 and second brake shoe 801 swing joint.
As the utility model discloses scheme further again, pressure spring 16 has been cup jointed to one side of locating lever 15, the one end swing joint of locating lever 15 has the seat 13 that compresses tightly, and pressure spring 16 is located and compresses tightly between seat 13 and first brake shoe 8 and the second brake shoe 801.
As the utility model discloses scheme further again, one side of first brake shoe 8 is equipped with clearance self-alignment seat 5, and one side integrated into one piece of clearance self-alignment seat 5 has the arch, one side of first brake shoe 8 is equipped with the reinforcing plate, and the arch cup joints in the reinforcing plate.
As the utility model discloses scheme further still, one side fixedly connected with cylindric lock of first brake shoe, one side swing joint of cylindric lock have the regulation to dial the board, and the regulation is dialled one side lock joint of board and has been had the stay cord assembly, and the other end of stay cord assembly walk around clearance self-alignment seat and with supporting pin swing joint.
As the utility model discloses scheme further again, one side joint of first brake shoe has adjusting bolt, and adjusting bolt's the other end and second brake shoe looks joint.
As the utility model discloses scheme further again, one side of first welt is equipped with the torsional spring, and the other end of torsional spring with adjust group board looks joint.
The utility model has the advantages that:
1. through the setting of installing a slice warning spring leaf in the position that the friction disc wearing and tearing are the fastest for the warning spring leaf can be when the friction disc wearing and tearing reach certain degree, timely personnel are reported to the police, have reduced the cost of manufacture of product, improve the precision of reporting to the police simultaneously.
2. The welding spot is arranged on one side of the alarm spring piece, so that the alarm spring piece is more stable after welding, the alarm spring piece is prevented from falling when being rubbed with the brake drum, and the use safety of a product is improved.
3. Through the arrangement of installing the adjusting bolt between the first brake shoe and the second brake shoe, the gap between the first friction plate and the brake drum on the first brake shoe and the second friction plate on the second brake shoe after being worn can still be kept at the initial position, the brake sensitivity of a product is kept consistent, and the brake effect is improved.
Drawings
Fig. 1 is a schematic structural view of a mechanical alarm device for abrasion of a friction plate of a hydraulic drum-type self-energizing brake according to the present invention;
fig. 2 is a schematic cross-sectional structural view of a mechanical alarm device for abrasion of a friction plate of a hydraulic drum-type self-energizing brake provided by the present invention;
fig. 3 is a schematic front view of a first brake shoe and a second brake shoe of a mechanical alarm device for abrasion of a friction plate of a hydraulic drum-type self-energizing brake according to the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the alarm spring leaf of the mechanical alarm device for abrasion of the friction plate of the hydraulic drum-type self-energizing brake provided by the utility model.
In the figure: 1. a cylindrical pin; 2. a torsion spring; 3. a pull rope assembly; 4. an alarm spring piece; 5. a gap self-adjusting guide seat; 6. a first friction plate; 7. a return spring; 8. a first brake shoe; 801. a second brake shoe; 9. a brake wheel cylinder; 10. braking the bottom plate; 11. adjusting the bolt; 12. adjusting the shifting plate; 13. a pressing seat; 14. a support pin; 15. positioning a rod; 16. a pressure spring; 17. a first liner plate; 18. mounting holes; 19. and (7) welding points.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.
Referring to fig. 1-4, a mechanical alarm device for abrasion of a friction plate of a hydraulic drum type self-energizing brake, comprising a brake base plate 10 and an alarm spring plate 4, wherein a supporting pin 14 is riveted on one side of the brake base plate 10, a first brake shoe 8 is rotatably connected on one side of the supporting pin 14, the first brake shoe 8 has excellent heat resistance and heat dissipation, and is convenient to use, a first lining plate 17 is welded on one side of the first brake shoe 8, a first friction plate 6 is bonded on one side of the first lining plate 17, the first friction plate 6 and a second friction plate can be rubbed with a brake drum by pushing the first brake shoe 8 and the second brake shoe 801, so that a vehicle is decelerated, mounting holes 18 are respectively formed on one sides of the first friction plate 6 and the first lining plate 17, a welding spot 19 is integrally formed on one side of the alarm spring plate 4, and one side of the first lining plate 17 is welded with the welding spot 19, the welding spot 19 can make the alarm spring plate 4, the condition that the alarm spring piece 4 falls off when the alarm spring piece 4 is in friction with a brake drum is prevented, one end of the alarm spring piece 4 penetrates through a first lining plate 17 and a mounting hole 18 on a first friction plate 6, one side of a supporting pin 14 is rotatably connected with a second brake shoe 801, one side of the second brake shoe 801 is welded with a second lining plate, one side of the second lining plate is bonded with the second friction plate, the second brake shoe 801 and a first brake shoe 8 form a symmetrical mode, so that the braking effect of an automobile is better, one side of the supporting pin 14 is rotatably connected with two return springs 7, the other ends of the return springs 7 are respectively rotatably connected with the first brake shoe 8 and the second brake shoe 801, the return springs 7 can reset the second brake shoe 801 and the first brake shoe 8 when a piston of a brake wheel cylinder 9 is retracted, so that the first friction plate 6 is separated from the second friction plate and the brake drum, so that the automobile normally runs, one side of a brake bottom plate 10 is fixedly provided with the brake wheel, and pistons at both ends of the brake wheel cylinder 9 are respectively in contact with the first brake shoe 8 and the second brake shoe 801.
In the utility model, one side of the brake bottom plate 10 is provided with a positioning hole, one side of the positioning hole is inserted with two positioning rods 15, the positioning rods 15 respectively pass through the first brake shoe 8 and the second brake shoe 801 and are movably connected with the first brake shoe 8 and the second brake shoe 801, one side of the positioning rods 15 is sleeved with a pressure spring 16, one end of the positioning rods 15 is clamped with a pressing seat 13, the pressure spring 16 is positioned between the pressing seat 13 and the first brake shoe 8 and the second brake shoe 801, the pressure spring 16 can respectively fix the first brake shoe 8 and the second brake shoe 801 to prevent the first brake shoe 8 and the second brake shoe 801 from shaking, one side of the first brake shoe 8 is provided with a gap self-adjusting seat 5, one side of the gap self-adjusting seat 5 is integrally formed with a bulge, one side of the first brake shoe 8 is provided with a reinforcing plate and the bulge is sleeved in the reinforcing plate, one side of the first brake shoe 8 is riveted with a cylindrical pin 1, one side of the cylindrical pin 1 is rotatably, one side of adjusting dial plate 12 has buckled stay cord assembly 3, and the other end of stay cord assembly 3 walks around clearance self-alignment seat 5 and is connected with the fulcrum pin 14 rotation, one side joint of first brake shoe 8 has adjusting bolt 11, and adjusting bolt 11's the other end and second brake shoe 801 looks joint, when first friction disc 6 and second friction disc produce wearing and tearing, stay cord assembly 3 pulling adjusts the plectrum, thereby adjust adjusting bolt 11 through the ratchet on adjusting bolt 11, thereby replenish the clearance after wearing and tearing, one side of first welt 17 is equipped with torsional spring 2, and torsional spring 2's the other end and adjust dial plate 12 looks joint, torsional spring 2 resets it after adjusting dial plate 12 and take place to rotate.
The working principle is as follows: when the vehicle brake is used, when the vehicle brakes, the oil cylinder supplies oil to the brake wheel cylinder 9, pistons at two ends of the brake wheel cylinder 9 respectively push the first brake shoe 8 and the second brake shoe 801 to move towards two sides, so that the first friction plate 6 and the second friction plate are pushed to generate friction with the brake drum, the vehicle decelerates, when the vehicle brakes and releases, under the action of the return spring 7, the first brake shoe 8 and the second brake shoe 801 return, meanwhile, the first friction plate 6 and the second friction plate stop contacting with the brake drum, so that the vehicle normally runs, when the first friction plate 6 and the second friction plate are abraded, the pull rope assembly 3 pulls the adjusting pull plate, and the adjusting bolt 11 is adjusted through a ratchet wheel on the adjusting bolt 11. When the accumulated clearance value between the friction plate and the brake drum reaches a set value, the adjusting poking piece pokes the ratchet wheel on the adjusting bolt 11 to rotate by one tooth, so that the worn clearance is supplemented, due to the structural reason of the self-energizing brake, when the vehicle brakes, the first friction plate 6 at the position, close to the center, of the first brake shoe 8 is worn the fastest, and when the first friction plate 6 is worn to a certain degree, the alarm spring plate 4 continuously vibrates to make a sound due to the contact between the alarm spring plate 4 and the brake drum and the elastic action of the alarm spring plate 4, so that an alarm is given to a driver.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A mechanical alarm device for abrasion of a friction plate of a hydraulic drum type self-energizing brake comprises a brake base plate (10) and an alarm spring piece (4) and is characterized in that a supporting pin (14) is fixedly connected to one side of the brake base plate (10), a first brake shoe (8) is movably connected to one side of the supporting pin (14), a first lining plate (17) is fixedly connected to one side of the first brake shoe (8), a first friction plate (6) is fixedly connected to one side of the first lining plate (17), mounting holes (18) are formed in one sides of the first friction plate (6) and the first lining plate (17), a welding point (19) is integrally formed on one side of the alarm spring piece (4), one side of the first lining plate (17) is welded with the welding point (19), one end of the alarm spring piece (4) penetrates through the first lining plate (17) and the mounting holes (18) in the first friction plate (6), one side swing joint of backing pin (14) has second brake shoe (801), one side fixedly connected with second welt of second brake shoe (801), one side fixedly connected with second friction disc of second welt, one side swing joint of backing pin (14) has two reset spring (7), and the other end of reset spring (7) respectively with first brake shoe (8) and second brake shoe (801) swing joint, one side fixedly connected with brake wheel cylinder (9) of backing plate (10), and the both ends piston of brake wheel cylinder (9) contacts with first brake shoe (8) and second brake shoe (801) respectively.
2. The mechanical alarm device for the friction plate wear of the hydraulic drum type self-energizing brake as claimed in claim 1, wherein a positioning hole is formed in one side of the brake base plate (10), two positioning rods (15) are movably connected to one side of the positioning hole, and the positioning rods (15) respectively penetrate through the first brake shoe (8) and the second brake shoe (801) and are movably connected with the first brake shoe (8) and the second brake shoe (801).
3. The mechanical alarm device for the abrasion of the friction plate of the hydraulic drum type self-energizing brake as claimed in claim 2, wherein a pressure spring (16) is sleeved on one side of the positioning rod (15), one end of the positioning rod (15) is movably connected with a pressing seat (13), and the pressure spring (16) is positioned between the pressing seat (13) and the first brake shoe (8) and the second brake shoe (801).
4. The mechanical abrasion alarm device for the friction plate of the hydraulic drum type self-energizing brake as claimed in claim 1, wherein a gap self-adjusting guide seat (5) is arranged on one side of the first brake shoe (8), a protrusion is integrally formed on one side of the gap self-adjusting guide seat (5), a reinforcing plate is arranged on one side of the first brake shoe (8), and the protrusion is sleeved in the reinforcing plate.
5. The mechanical abrasion alarm device for the friction plate of the hydraulic drum type self-energizing brake according to claim 4, wherein a cylindrical pin (1) is fixedly connected to one side of the first brake shoe (8), an adjusting shifting plate (12) is movably connected to one side of the cylindrical pin (1), a pull rope assembly (3) is buckled to one side of the adjusting shifting plate (12), and the other end of the pull rope assembly (3) bypasses the gap self-adjusting guide seat (5) and is movably connected with the supporting pin (14).
6. The mechanical warning device for the friction plate wear of the hydraulic drum type self-energizing brake as claimed in claim 1, characterized in that one side of the first brake shoe (8) is clamped with an adjusting bolt (11), and the other end of the adjusting bolt (11) is clamped with the second brake shoe (801).
7. The mechanical abrasion alarm device for the friction plate of the hydraulic drum type self-energizing brake according to claim 5, characterized in that one side of the first lining plate (17) is provided with a torsion spring (2), and the other end of the torsion spring (2) is clamped with the adjusting dial plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295924.2U CN213332155U (en) | 2020-10-15 | 2020-10-15 | Mechanical alarm device for abrasion of friction plate of hydraulic drum type self-energizing brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295924.2U CN213332155U (en) | 2020-10-15 | 2020-10-15 | Mechanical alarm device for abrasion of friction plate of hydraulic drum type self-energizing brake |
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| Publication Number | Publication Date |
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| CN213332155U true CN213332155U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022295924.2U Active CN213332155U (en) | 2020-10-15 | 2020-10-15 | Mechanical alarm device for abrasion of friction plate of hydraulic drum type self-energizing brake |
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| CN (1) | CN213332155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962507A (en) * | 2022-05-31 | 2022-08-30 | 江苏理工学院 | Automobile drum brake |
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2020
- 2020-10-15 CN CN202022295924.2U patent/CN213332155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962507A (en) * | 2022-05-31 | 2022-08-30 | 江苏理工学院 | Automobile drum brake |
| CN114962507B (en) * | 2022-05-31 | 2023-09-22 | 江苏理工学院 | Automobile drum brake |
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