CN205047713U - Four gear coordinated types braking clearance adjustment device - Google Patents
Four gear coordinated types braking clearance adjustment device Download PDFInfo
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- CN205047713U CN205047713U CN201520658532.4U CN201520658532U CN205047713U CN 205047713 U CN205047713 U CN 205047713U CN 201520658532 U CN201520658532 U CN 201520658532U CN 205047713 U CN205047713 U CN 205047713U
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Abstract
Four gear coordinated types braking clearance adjustment device combines manual guiding mechanism and main guiding mechanism's function, and main guiding mechanism possesses manual clearance adjustment function and initiative clearance adjustment function, nevertheless do not combine with adjustment screw, only performance adjustment and antioverloading function, driven guiding mechanism increases to two, two push rods with combine from guiding mechanism, realize from guiding mechanism that pair push rods move under main guiding mechanism's drive. This kind of structure, main guiding mechanism combines with the pressure arm, just realize adjustment and antioverloading function, and it is not in relevancy with the screw rod, combine together from guiding mechanism and two adjustment screw, avoided taking place locking or jamming phenomenon because the guiding mechanism disabler results in being connected the position with adjustment screw, homophony or from transferring the function to have any trouble no matter, do not influence whole brake mechanism's normal work, no matter can guarantee any condition, the brake is all normal effective, and will follow the guiding mechanism structure and simplify, the depth of parallelism that makes the braking promotes with stability greatly.
Description
Technical field
This product relates to air-pressure disc type brake automatic adjustment mechanism for gap assembly, is mainly used in the disc type brake gaps such as high-grade bus, heavy truck, trailer and automatically regulates, guarantee that brake clearance is constant, four gear linkage type brake clearance adjustment apparatus of braking continuous and effective.
Background technique
Current passenger vehicle, truck brake disk type braker all have clearance adjustment mechanism, disk brake clearance regulating mechanism has the structure such as chain transmission and gear transmission, gear transmission major part is main regulator and is combined with adjustment screw rod from regulator itself, main regulator drives and realizes two pushrod movement from regulator, if will manually adjust, need increase hand-controlled regulator in addition.This gear transmission structure not only will realize adjustment function due to homophony with from tune itself, also to realize the adjustment function adjusting screw rod, the gear that also will increase a transition in centre realizes interlock, structure is very complicated, if any one homophony or break down from tune, adjustment screw rod will clamping stagnation locking, and namely whole product function can lose efficacy, and directly has influence on Braking efficiency.
Summary of the invention
The object of this patent is to provide a kind of by simplifying by main regulating mechanism with from the function of regulating mechanism, be that pressure arm presses down during braking, drive push pedal to promote brake slipper from regulator two screw rods and realize braking, namely just realize realizing braking function under main regulator effect from regulator, adjustment and antioverloading function are transferred in new manual component.Make structure simpler, avoid the one four gear linkage type brake clearance adjustment apparatus of the braking failure caused because simple function lost efficacy;
To achieve these goals, the technological scheme of this patent is:
Four gear linkage type brake clearance adjustment apparatus, comprise caliper, it is characterized in that: plastic bushing (and oil sealing is installed in caliper machining hole, caliper operative position is provided with return spring A and return spring B, return spring B installs and connects gear, in attachment tooth wheel bore, driven regulating mechanism is installed, connection gear is coordinated with driven regulating mechanism, by clamp fixed position between driven regulating mechanism, clamp blocks the stationary axle on driven regulating mechanism, in the mounting hole of caliper, hand-controlled regulator is installed, the gear of hand-controlled regulator and the gears meshing of driven regulating mechanism, driven regulating mechanism is provided with the pressure arm that roller is housed, pressure arm coordinates with hand-controlled regulator, pressure arm is provided with the upper cover being provided with the rotating shaft of semicircle needle roller, the rotating shaft of semicircle needle roller coordinates with pressure arm, upper cover and caliper are bolted.
Be provided with plastic dust cover outside described oil sealing, plastic dust cover is connected with bearing, is provided with the shaft block ring on the screw putter being arranged on driven regulating mechanism in bearing.
The stationary axle of described driven regulating mechanism adopts bottom high frequency heat process, and axle portion adopts tetragonal, and tetragonal body and screw putter inside cooperatively interact.
The function of manual adjustment mechanism with main regulating mechanism combines by the present invention, main regulating mechanism possesses manual lash adjustment function and active clearance adjustment function, but be not combined with adjustment screw rod, only play adjustment and antioverloading function, driven regulating mechanism increases to two, two push rod combines with from regulating mechanism, realizes two pushrod movement from regulating mechanism under the drive of main regulating mechanism.This structure, main regulating mechanism combines with pressure arm, just realize adjustment and antioverloading function, and be not associated with screw rod, adjust screw rod from regulating mechanism combine with two, avoid because regulating mechanism disabler causes and adjustment screw rod connection part generation locking or catching phenomenon, no matter homophony or have any fault from conditioning function, do not affect the normal work of overall brake mechanism, no matter any situation can be ensured, brake is all effectively normal, and will, from regulating mechanism designs simplification, the parallelism of braking and stability be promoted greatly.
Principal and subordinate adjusts four gear linkage type brake clearance regulating mechanism assemblies of separation structure by hand-controlled regulator, the compositions such as driven regulator, pressure arm, pressing plate, stationary axle, roller, adjusting gear, screw putter, bearing.This assembly forms complete regulating mechanism, is assembled in brake calipers after testing, coordinates with braking clamp body, realizes brake clearance automatic regulating function.
In this invention, driven regulator forms by adjusting mandrel, unilateral bearing, adjusting sleeve, plane bearing, bearing support, packing ring, internal gear clutch sheet, external tooth clutch plate, adjusting gear, return spring etc.The stationary axle of driven regulating mechanism adopts bottom high frequency heat process, and axle portion adopts tetragonal, and tetragonal body and screw putter inside cooperatively interact, and can limit screw putter left-right rotation; Screw putter adopts double thread screw structure; Adjusting gear adopts and regulates rotating shaft and gear integral structure, avoids occurring any loosening problem.
Whole regulating mechanism modular construction is simple, especially simpler from regulating mechanism structure, only bear braking and clearance compensation function, rational in infrastructure, be arranged in brake assembly, each assembly after decomposition is independent separately, only should be noted that cooperation and global stability, can guarantee that regulating mechanism assembly meets testing requirement in assembling.The maintenance of product is easier, only needs to carry out replacing to hand-controlled regulator and just can solve all problems.
No matter the product of invention can both be implemented in production or installation and maintenance and operate control, and overall performance and life-span obtain and greatly promote, and quality is more stable.
Figure of description
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is the cross-sectional view of the utility model hand-controlled regulator;
Fig. 3 is the cross-sectional view of the driven regulating device of the utility model.
In accompanying drawing
1, upper cover; 2, hand-controlled regulator; 3, caliper; 4, semicircle needle roller rotating shaft; 5, roller; 6, pressure arm; 7, clamp; 8, gear is connected; 9, driven regulating mechanism; 10, plastic bushing; 11, return spring A; 12, return spring B; 13, bearing; 14, back-up ring; 15, oil sealing; 16, plastic dust cover; 17, return spring C; 18, adjusting gear A; 19, packing ring; 20, plane bearing; 21, backing plate; 22, adjusting sleeve; 23, nylon pad; 24, unilateral bearing; 25, bearing housing; 26, back-up ring seat; 27, axle clamp back-up ring; 28, mandrel is adjusted; 29, internal gear clutch sheet; 30, external tooth clutch plate; 31, bearing support; 32, copper pin; 33, end cap; 34, dust cover; 35, screw putter; 36, adjusting gear B; 37, stationary axle.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, first plastic bushing 10 and oil sealing (15) are assembled in caliper 3 machining hole, by return spring A11, return spring B12 puts into caliper 3 operative position place, return spring 12 is loaded onto and connects gear 8, and two driven regulating mechanisms 9 are loaded in attachment tooth wheel bore, gear is coordinated, driven regulating mechanism is blocked with clamp 7, then hand-controlled regulator 2 is loaded the mounting hole in caliper 3, and make the gears meshing of gear and driven regulating mechanism 9, the pressure arm 6 that roller 5 is housed is put into above driven regulating mechanism 9, and coordinate with hand-controlled regulator 2, covering inside and be equipped with the upper cover 1 of semicircle needle roller rotating shaft 4, semicircle needle roller rotating shaft 4 is coordinated with pressure arm 6, finally upper cover 1 and caliper 3 are fixed with bolt.
Plastic dust cover 16 is contained on oil sealing 15, then shaft block ring 14 be pressed into bearing 13 on blocking on the screw putter of driven regulating mechanism, plastic dust cover 16 is being coordinated with bearing 13.
When brake gap is normal: when there is braking, brake chamber promotes pressure arm 6 and presses down, oppress stationary axle by roller 5 to move, return spring is compressed, left and right two hand-controlled regulators move down, screw putter 35 promotes bearing 13, act on friction plate, brake clearance between friction plate and brake disc is eliminated, reach braking effect, pressure arm 6 continues to press down, because brake clearance is eliminated, the overload function of hand-controlled regulator is forced to come into force, overcoming spring makes the frictional force produced between internal clutch sheet relatively rotate, eliminate pressure arm and press down produced unnecessary torsion, protection brake inside part can not damage.
During brake excesssive gap: when there is braking, brake chamber promotes pressure arm and presses down, moved by roller compressing stationary axle, return spring is compressed, and left and right two regulator moves down, screw putter drives bearing, act on friction plate, because between friction plate and brake disc, brake clearance is excessive, force pressure arm to need to continue to press down, thus driving regulator work, the adjusting gear of regulator adjustment gear driven regulator rotates.Two are connected from regulator by gear, clamp 7 blocks stationary axle, make two to rotate from regulator simultaneously, screw putter 35 cannot rotate under the effect of stationary axle 37, but the rotation of adjusting gear B36 makes threaded screw putter 35 relatively move down, drive bearing 13 to move down, thus eliminate excessive brake clearance, ensure the stable of brake clearance.
When brake gap is too small: brake clearance is too small, easily make shorten the working life of friction plate, spanner can be used to regulate hand-controlled regulator assembly, the adjustment gear A of hand-controlled regulator assembly is made to drive the adjusting gear B36 of two driven regulating mechanisms 9 to rotate, screw putter 35 drives bearing 13 to move up, thus makes brake clearance reach brake request.
In braking process, pressure arm 6 presses down, the pin of pressure arm 6 is in the copper pin 32 of regulator, copper pin 32 is made to drive bearing housing 25 to rotate under the effect of unilateral bearing 24, adjusting sleeve 22 stirs clutch plate, adjustment gear A 18 and adjustment mandrel 28 are rotated simultaneously, when pressure arm 6 return, copper pin 32 drives bearing housing 25 to rotate, because unilateral bearing 24 plays single effect, adjusting sleeve 25 can not be driven to rotate, thus reach the object of adjustment, pressure arm 6 continues to press down, because brake gap is eliminated, the overload function of regulator is forced to come into force, overcoming spring makes the frictional force produced between internal clutch sheet relatively rotate, eliminate pressure arm and press down produced unnecessary torsion, protection brake inside part can not damage.
In the present invention, the stationary axle of driven regulating mechanism adopts bottom high frequency heat process, and axle portion adopts tetragonal, and tetragonal body and screw putter inside cooperatively interact, and can limit screw putter left-right rotation; Screw putter adopts double thread screw structure; Adjusting gear adopts and regulates rotating shaft and gear integral structure, avoids occurring any loosening problem.
During braking, adjusting gear rotates, adjusting gear and screw putter are screw-thread fit, screw putter can rotate with adjusting gear, but stationary axle again limit the rotation of screw putter, thus screw putter relative to adjusting gear rotation and move up and down, serve screw putter drive bearing move up and down, and then reach the brake clearance eliminated between friction plate and brake disc, reach braking effect
When brake clearance is excessive, pressure arm presses down and drives regulator to rotate, the adjustment gear driven regulator adjusting gear of regulator rotates, screw putter and adjusting gear are again screw-thread fit, and stationary axle makes screw putter rotate, thus make, between adjusting gear and screw putter, threads turn occurs, effect screw putter being reached move up and down.
Claims (3)
1. four gear linkage type brake clearance adjustment apparatus, comprise caliper (3), it is characterized in that: plastic bushing (10) and oil sealing (15) are installed in caliper (3) machining hole, caliper (3) operative position is provided with return spring A(11) and return spring B(12), at return spring B(12) upper installation connection gear (8), connect in gear (8) hole and driven regulating mechanism (9) is installed, connection gear (8) is coordinated with driven regulating mechanism (9), by clamp (7) fixed position between driven regulating mechanism (9), clamp (7) blocks the stationary axle on driven regulating mechanism (9), hand-controlled regulator (2) is installed in the mounting hole of caliper (3), the gear of hand-controlled regulator (2) and the gears meshing of driven regulating mechanism (9), driven regulating mechanism (9) is provided with the pressure arm (6) that roller (5) are housed, pressure arm (6) coordinates with hand-controlled regulator (2), pressure arm (6) is provided with the upper cover (1) being provided with semicircle needle roller rotating shaft (4), semicircle needle roller rotating shaft (4) coordinates with pressure arm (6), upper cover (1) and caliper (3) are bolted.
2. four gear linkage type brake clearance adjustment apparatus according to claim 1, it is characterized in that: outside described oil sealing (15), plastic dust cover (16) is installed, plastic dust cover (16) is connected with bearing (13), is provided with the shaft block ring (14) on the screw putter being arranged on driven regulating mechanism (9) in bearing (13).
3. four gear linkage type brake clearance adjustment apparatus according to claim 1, is characterized in that: the stationary axle of described driven regulating mechanism (9) adopts bottom high frequency heat process, and axle portion adopts tetragonal, and tetragonal body and screw putter inside cooperatively interact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658532.4U CN205047713U (en) | 2015-08-28 | 2015-08-28 | Four gear coordinated types braking clearance adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658532.4U CN205047713U (en) | 2015-08-28 | 2015-08-28 | Four gear coordinated types braking clearance adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047713U true CN205047713U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520658532.4U Active CN205047713U (en) | 2015-08-28 | 2015-08-28 | Four gear coordinated types braking clearance adjustment device |
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| CN (1) | CN205047713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090297A (en) * | 2015-08-28 | 2015-11-25 | 枣庄泰德机械有限公司 | Four-gear linkage type brake clearance adjustment device |
-
2015
- 2015-08-28 CN CN201520658532.4U patent/CN205047713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090297A (en) * | 2015-08-28 | 2015-11-25 | 枣庄泰德机械有限公司 | Four-gear linkage type brake clearance adjustment device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 277400, Taierzhuang Economic Development Zone, Shandong, Taipei Province, West Road, Zaozhuang Patentee after: SHANDONG TOGET BRAKE SYSTEM Co.,Ltd. Address before: 277400, Taierzhuang Economic Development Zone, Shandong, Taipei Province, West Road, Zaozhuang Patentee before: SHANDONG TOGET BRAKE SYSTEM Co.,Ltd. |