CN103335034B - A kind of air-pressure disc brake - Google Patents
A kind of air-pressure disc brake Download PDFInfo
- Publication number
- CN103335034B CN103335034B CN201310276734.8A CN201310276734A CN103335034B CN 103335034 B CN103335034 B CN 103335034B CN 201310276734 A CN201310276734 A CN 201310276734A CN 103335034 B CN103335034 B CN 103335034B
- Authority
- CN
- China
- Prior art keywords
- gear
- bevel gear
- eccentric shaft
- eccentric
- adjusting sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 230000007704 transition Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of air-pressure disc brake. Including brake holder and caliper and push-plate, also include pressure seat, eccentric shaft, bevel gear, bevel gear, one-way clutch, gear transmission unit and auger unit; What pressure seat slided is connected on described caliper; Eccentric shaft includes axis body and the eccentric disc with the not coaxial line of axis body, and eccentric shaft is when the axis shaft of axis body rotates, and eccentric disc drives pressure seat to do linear translational motion; Bevel gear is placed on eccentric shaft and passes through the adjustment block being provided with gap and rotates with the coaxial line realizing both that coordinates of adjustment tank; Bevel gear engages with bevel gear, and bevel gear is in transmission connection gear transmission unit by one-way clutch, gear transmission unit drving sprial pushing unit, and auger unit promotes push-plate. It is an advantage of the invention that the size of brake force is not by the impact of braking clamp body structure, thus the gear ratio of brake force can be increased, reaches the brake force needed for vehicle, simultaneously the good stability of brake clearance.
Description
Technical field
The present invention relates to brake, particularly relate to a kind of air-pressure disc brake.
Background technology
Existing air-pressure disc brake, the thrust direction of its brake chamber is axially promote, clearance adjustment mechanism is placed in the caliper of brake, it is subject to thrust direction and caliper structure influence, braking moment can not increase, affect the gear ratio of brake force, constrain the raising of brake force, often make car load brake force not reach desired value.
Summary of the invention
It is an object of the invention to overcome the deficiency of prior art, it is provided that a kind of have a bigger brake force gear ratio and a kind of air-pressure disc brake that braking moment is easily adjusted.
Above-mentioned purpose is achieved through the following technical solutions.
Described brake, including brake holder, the braking dish being arranged in this brake holder and caliper and be arranged on caliper and be connected to the push-plate of brake pad, also include pressure seat, eccentric shaft, bevel gear, bevel gear, one-way clutch, gear transmission unit and auger unit; Described pressure seat is slidably connected on described caliper, and described auger unit is arranged on pressure seat, and pressure seat is connected with push-plate by auger unit; Described eccentric shaft includes axis body and the eccentric disc with the not coaxial line of axis body, eccentric shaft is bearing on described caliper by axis body, described eccentric disc is placed in the eccentric disk hole that pressure seat is corresponding, and eccentric shaft is when the axis of axis body rotates, and eccentric disc drives pressure seat and push-plate to do translational motion; The coaxial line rotation that described bevel gear is placed on eccentric shaft and realizes both by being provided with the adjustment block in gap and the mutual of adjustment tank to touch; Described bevel gear engages with bevel gear, the input gear that bevel gear is in transmission connection in gear transmission unit by one-way clutch, output gear in gear transmission unit transmission is in transmission connection described auger unit, when bevel gear rotates also drive bevel gear with eccentric shaft coaxial line, by one-way clutch, gear transmission unit and auger unit, the brake pad on push-plate is made to move to pressing close to braking dish direction.
The design further of described brake is in that, described eccentric shaft is provided with the described axis body of two sections of coaxial lines, and described eccentric disc is located between this two axis body, and eccentric shaft is bearing on described caliper by the bearing being respectively arranged on two axis bodies.
The design further of described brake is in that, the eccentric disc of described eccentric shaft is provided with the arc surface for described bevel gear radially location, is provided with described first adjustment block or the second adjustment tank on the end face be perpendicular to this arc surface.
The design further of described brake is in that, described first adjustment block is protrude from the rectangular block of described end face, and described second adjustment tank is protrude from the rectangular channel of described end face.
The design further of described brake is in that, described bevel gear includes clamping ring and conial tooth part; The inner ring surface of described clamping ring is provided with the inner arc surface corresponding with described arc surface and first adjustment block described with on eccentric shaft or the second adjustment tank matches the first adjustment tank or the second adjustment block; Described conial tooth part is provided with some cone teeth that distribution circular arc is not more than 90 °, and this conial tooth part is arranged on described clamping ring outer rim side.
The further design of described brake is in that, described first adjustment tank be recessed in described inner arc surface rectangular recess, described second adjustment block is protrude from the rectangular block of described inner arc surface.
The further design of described brake is in that, described bevel gear is set on eccentric shaft, and axially positions with end face described on eccentric shaft, with described inner arc surface with on eccentric shaft described arc surface fit into conduct to location; The first adjustment tank or the second adjustment block on described bevel gear have cooperating of gap with the first adjustment block on eccentric shaft or the second adjustment tank respectively, and when the adjustment block cooperated contacts with adjustment tank, both do rotating in same direction.
The design further of described brake is in that, described gear transmission unit includes input gear, output gear and excessive gear, is engaged transmission by least one excessive gear between described input gear and output gear; Described bevel gear is in transmission connection input gear by the one-way clutch connected in rotating shaft; Described output gear is in transmission connection described auger unit; Described output gear is in transmission connection described auger unit.
The design further of described brake is in that, described one-way clutch is unilateral bearing.
The design further of described brake is in that, described pressure seat side is equipped with a gear stand, and each pinion rotation of described gear transmission unit is arranged on this gear stand.
The design further of described brake is in that, described gear stand includes two gripper shoes and some rivets, the described two parallel placements of gripper shoe, is spaced from each other certain distance and by described rivet; Engaged transmission in each gear of described gear transmission unit space between two gripper shoes are flat.
The design further of described brake is in that, it is shown that have rotating shaft, transition gear to be rotatably connected in this rotating shaft between two gripper shoes and corresponding to the riveted joint of transition gear position; It is respectively equipped with, in two gripper shoes and corresponding to input gear position, the first structure hole allowing this input gear pass through; The connecting hole making this output gear radially location and the second structure hole allowing this output gear pass through it is respectively provided with in two gripper shoes and corresponding to output gear position, output gear one end is rotationally connected with the connecting hole in the gripper shoe of side, and the second structure hole in opposite side gripper shoe that one end is passed through and described auger unit are in transmission connection.
The design further of described brake is in that, described auger unit includes adjusting sleeve and screw rod, described adjusting sleeve is movably connected on pressure seat, adjusting sleeve center is provided with screw, described screw rod is screwed in this screw, and adjusting sleeve or screw rod are connected with described output gear, and the screw rod being rotatably connected in adjusting sleeve or the adjusting sleeve one end being rotatably connected in screw rod are connected with the push-plate on described caliper, when output gear drives adjusting sleeve or screw rod rotates, screw rod or adjusting sleeve drive push-plate to axially move.
The design further of described brake is in that, described pressure seat center is provided with eccentric disk hole, is provided with the adjustment trepanning vertical with eccentric disk hole in eccentric disk hole symmetry both sides; Described eccentric disc is supported in eccentric disk hole by bearing; Described adjusting sleeve is placed in adjustment trepanning.
The design further of described brake is in that, described adjusting sleeve is rotatably connected in described adjustment trepanning and is connected with output gear, and screw rod is screwed in the screw that adjusting sleeve is corresponding, and one end is connected with push-plate, when output gear drives adjusting sleeve to rotate, screw rod drives push-plate to axially move.
The design further of described brake is in that, described adjusting sleeve is slidably connected in described adjustment trepanning, and one end is connected with push-plate, screw rod is screwed in the screw that adjusting sleeve is corresponding, one end is connected with output gear, and when output gear drives screw rod to rotate, adjusting sleeve drives push-plate to axially move.
The present invention will be braked and the pressure adjustmenting mechanism of brake clearance adjustment is placed in outside caliper, and by changing the direction of brake force, make the size of brake force not by the impact of braking clamp body structure, thus the gear ratio of brake force can be increased, reach the brake force needed for vehicle; Simultaneously, the variable quantity of brake clearance is transmitted in cooperation by the bevel gear of a special construction and in conjunction with adjustment block and adjustment tank, and utilize the variable quantity in this gap of one-way clutch one-way transmission, make brake clearance can keep more constant value, braking is thus ensure that stablizing of braking ability, and the braking ability being of value to brake improves. Additionally, be arranged on the rotor with eccentric disc by adjustment block or adjustment tank, namely on an eccentric shaft so that the adjustment in braking and gap can be transferred through the rotation of rotor and realizes, so that whole guiding mechanism is simple for structure, transmission accuracy is high, and cost is low.
Fig. 1 is the structural representation of brake of the present invention.
Fig. 2 is the A-A sectional view of brake shown in Fig. 1.
Fig. 3 is the partial view of brake shown in Fig. 1.
Fig. 4 is off a kind of structural representation of axle.
Fig. 5 is a kind of structural representation of bevel gear.
Fig. 6 is off axle and by adjustment block and coordinating of adjustment tank carries out interconnective schematic diagram with bevel gear.
Fig. 7 is the schematic diagram that adjustment block T1 and adjustment tank T2 exist gap μ.
Fig. 8 is the schematic diagram of the gap delta between braking dish and brake pad.
The schematic diagram that Fig. 9 is adjustment block when contacting with each other with adjustment tank.
Figure 10 is off the another kind of structural representation of axle.
Figure 11 is the another kind of structural representation of bevel gear.
Figure 12 is the structural representation of gear stand.
Figure 13 is equipped with the gear stand shown in Fig. 1 of input gear and unilateral bearing.
Figure 14 is the structural representation of pressure seat.
In figure, 1 pressure seat, 2 eccentric shafts, 2a axis body, 2b eccentric disc, 2c arc surface, 2d end face, 3 bevel gears, 3a clamping ring, 2d end face, 3b conial tooth part, 3c inner arc surface, 4 bevel gears, 5 gear transmission units, 5a input gear, 5c output gear, 5b excessive gear, 5d gear stand, 5d1 gripper shoe, 5d2 rivet, 5d3 rotating shaft, 5d11 the first structure hole, 5d12 the second structure hole, 6 one-way clutch, 7 auger unit, 7a adjusting sleeve, 7b screw rod, 9 bearings, 100 supports, 101 guide pin bushings, 103 adjust arm, 104 braking dishes, 105 calipers, 106 brake pads, 107 push-plates, 108 upper end covers, T1 adjustment block, T2 adjustment tank.
Detailed description of the invention
Comparison Fig. 1,2, Fig. 3, the brake of the present invention includes brake holder 100, be arranged in this brake holder 100 braking dish 104 and caliper 105 and be arranged on caliper and be connected to the push-plate 107 of brake pad 106, especially also include the pressure seat assembly that is mainly made up of and gear transmission unit 5 and auger unit 7 pressure seat 1, eccentric shaft 2, bevel gear 3, bevel gear 4 and one-way clutch 6.
Pressure seat assembly is slidably connected on caliper 105 by pressure seat 1, and auger unit 7 is arranged on pressure seat 1, and pressure seat 1 is connected with push-plate 107 by auger unit 7, and the slip of the relative caliper of pressure seat 1 is driven by eccentric shaft and formed. Eccentric shaft 2 includes axis body 2a and the eccentric disc 2b with the not coaxial line of axis body, referring to Fig. 4, eccentric shaft 2 is bearing on caliper 105 by axis body 2a, eccentric disc 2b is placed in the corresponding eccentric disk hole on pressure seat, when eccentric shaft rotates around the axis of axis body 2a, eccentric disc 2b drives pressure seat 1 and whole pressure seat assembly and the push-plate 107 being connected to it on to do translational motion, completes braking or releases the motion promoting push-plate 107 of braking. Bevel gear 3 is placed on eccentric shaft 2, is each other equivalent to key and keyway by being provided with the adjustment block T1 and adjustment tank T2(in gap) coordinate the coaxial line rotation realizing both. Bevel gear 4 engages with bevel gear 3, bevel gear 4 is in transmission connection input gear 5a by one-way clutch 6, input gear 5a be gear transmission unit 5 input input gear, output gear 5c in gear transmission unit gear unit 5 is in transmission connection auger unit 7, this auger unit 7 is in transmission connection the push-plate 107 on caliper so that it is on brake pad 106 move to patch close or remote from braking dish 104 direction.
Above-mentioned eccentric shaft 2 more preferably designs the axis body 2a being provided with two sections of coaxial lines, eccentric disc 2b and is located between this two axis body 2a, referring to Fig. 3,4, eccentric shaft 2 is bearing on caliper 105 by the bearing 9 being connected on two axis bodies. One more preferably scheme is as it is shown in figure 1, an axis body 2a is bearing on a upper end cover 108 being connected on caliper, and an axis body 2a is bearing on caliper. Further bearing 9 adopts needle bearing, and eccentric disc 2b is also by needle roller bearing support in corresponding eccentric disk hole 1a (referring to Figure 14) simultaneously. The eccentric disc 2b of eccentric shaft is provided with the arc surface 2c for bevel gear 3 radially location, is provided with the first adjustment block T1 on the end face 2d being perpendicular to this arc surface 2c, and this adjustment block is protrude from the rectangular block of this end face 2d.
The bevel gear 3 being arranged on eccentric shaft is mainly made up of clamping ring 3a and conial tooth part 3b, refers to Fig. 5. Clamping ring in basic annular, it is the rectangular recess being recessed in inner arc surface 3c that inner ring surface is provided with corresponding for the arc surface 2c inner arc surface 3c with eccentric disc and the first adjustment tank T2, this first adjustment tank T2 matched with the first adjustment block T1. Conial tooth part 3b is provided with some cone teeth, and this cone tooth distribution circular arc α is not more than 90 °, and conial tooth part 3b is arranged on clamping ring outer rim side.
As shown in Figure 6, bevel gear 2 is set on eccentric shaft 2, and axially positions with the end face 2d on eccentric shaft in the connection of eccentric shaft 2 and bevel gear 3, fits into conduct to location with inner arc surface 3c and the arc surface 2c on eccentric shaft; The first adjustment block T1 on eccentric shaft is placed in the first adjustment tank T2 on bevel gear 3, both are to have cooperating of gap μ, referring to Fig. 7, this gap should be corresponding with the gap delta (see figure 8) between braking dish 104 and brake pad 106, the adjustment block T1 cooperated and adjustment tank T2 relatively rotate exceed gap μ time, mutually touch both (see figure 9)s and do rotating in same direction.
Eccentric shaft 2 is rotationally connected with the realization that coordinates of adjustment tank by being respectively arranged at adjustment block thereon with bevel gear 3. This set in turn, can also be arranged on eccentric shaft 2 by adjustment tank, adjustment block be arranged on bevel gear 3.Referring to Figure 10, arranging a second adjustment tank T4, this adjustment tank T4 on the end face 2d of eccentric shaft is the rectangular channel protruding from end face 2d; The inner arc surface 3c of bevel gear clamping ring arranges a second adjustment block T3, referring to Figure 11, this adjustment block T3 protrudes from the rectangular block of inner arc surface 3c, by coordinating of this adjustment block T3 and adjustment tank T4, can realize above-mentioned eccentric shaft 2 and bevel gear 3 equally and do the effect of rotating in same direction.
Bevel gear 3 rotate through bevel gear 4 transmission being engaged with to gear transmission unit 5. Bevel gear 4 is a partial gear (not to figure), is provided only with the operative gear corresponding with bevel gear 3.
The comparatively preferred scheme of gear transmission unit 5 includes input gear 5a, output gear 5c and excessive gear 5b, is engaged transmission by an excessive gear 5b between input gear 5a and output gear 5c. Certainly, gear transmission unit is not limited to above-mentioned scheme, can need to arrange multiple excessive gear 5b between input gear 5a and output gear 5c according to structure. Bevel gear 4 is transferred to input gear 5a by the one-way clutch 6 connected on rotating shaft 1a. Rotating shaft 1a one end is fixed on pressure seat, and this one-way clutch 6 have employed a unilateral bearing. The rotation output of gear transmission unit 5 relies on output gear 5c, and this output gear 5 is in transmission connection auger unit 7.
Each gear in gear transmission unit 5 is arranged on a gear stand 5d, refers to Figure 12, Figure 13, engaged transmission in each gear of gear transmission unit 5 space between the two flat 5d1 of gripper shoe. This gear stand 5d is arranged on the side of pressure seat 1, and it is mainly made up of two gripper shoe 5d1 and some rivet 5d2. The two parallel placements of gripper shoe 5d1, are spaced from each other certain distance and are riveted by rivet 5d2. Having rotating shaft 5d3 between two gripper shoes and corresponding to the riveted joint of transition gear position, transition gear 5b is rotatably connected in this rotating shaft. Two gripper shoe 5d1 correspond to input gear position, are respectively equipped with the first structure hole 5d11 allowing this input gear pass through; The connecting hole 5d13 making this output gear radially location and the second structure hole 5d12 allowing this output gear pass through it is respectively provided with in two gripper shoes and corresponding to output gear 5c position, output gear 5c one end is rotationally connected with the connecting hole 5d13 in the gripper shoe of side, carrying out radially location by this hole, the second structure hole 5d12 in opposite side gripper shoe that one end is passed through and auger unit 7 are in transmission connection.
Auger unit 7 includes adjusting sleeve 7a and screw rod 7b, is rotatably connected in the corresponding aperture 1b of pressure seat 1 referring to Figure 14, adjusting sleeve 7a, and makes it axially position in the 1b of hole by the flange 7a1 and jump ring 7c of one end. Adjusting sleeve 7a center is provided with screw, and screw rod 7b is screwed in this screw. Output gear 5c one end extend in the hole of adjusting sleeve 7a one end by the second structure hole 5d12 and with this hole tight fit, with reach and output gear 5 coaxial line rotate purpose. Screw rod 7b one end is connected with the push-plate 106 on caliper 105. When output gear 5c drives adjusting sleeve 7a to rotate, screw rod 7b drives push-plate to axially move.
Above-mentioned auger unit 7 is it is also possible that arrange: being slidably connected at by adjusting sleeve 7a in pressure seat corresponding aperture, same adjusting sleeve 7a center is provided with screw, and screw rod 7b is screwed in this screw. Screw rod 7b one end is connected with by one end of the output gear 5c of the second structure hole 5d12, it is achieved coaxial line rotates. Adjusting sleeve one end is connected with the push-plate 106 on caliper 105.When output gear 5c drives screw rod 7b to rotate, adjusting sleeve 7a drives push-plate to axially move.
The auger unit 7 realizing the motion of above-mentioned push-plate is arranged in pressure seat 1, the center of pressure seat 1 is provided with eccentric disk hole 1a, be provided with the adjustment trepanning 1b vertical with eccentric disk hole in these bias disk hole symmetry both sides, this adjustment trepanning 1b can be unthreaded hole or the dowel hole being provided with keyway. It is a unthreaded hole that the present embodiment adjusts trepanning 1b, and referring to Figure 13, eccentric disc is supported in eccentric disk hole 1a by bearing; Adjusting sleeve 7a is rotating to be matched with in adjustment trepanning 1b, and limits axial location by flange 7a1 and jump ring 7c, and only rotate motion in adjusting trepanning 1b, thus ensureing that screw rod 7b axially moves. If adjustment trepanning 1b is designed as dowel hole, adjusting sleeve 7a axially moves in adjusting trepanning 1b, it is impossible to rotating, when screw rod 7b rotates with output gear 5c, the adjusting sleeve 7a spun with screw rod 7b screw thread axially moves.
The brake of the present invention is when being braked, the overhanging promotion of the push rod 108 of brake chamber adjusts arm rotation 103, the axis body 2a driving eccentric shaft 2 rotates in the needle bearing 9 of braking clamp body 105 and upper end cover, owing to eccentric disc 2b center and axis body 2a have eccentric throw, when eccentric shaft 2 rotates around the axis of axis body 2a, eccentric disc 2b drives pressure seat assembly to do moving axially of M direction substantially as shown in Figure 1, and drives push-plate 107 in axial direction to move by adjusting screw rod 7b or adjusting sleeve 7a. In the process, the pressure P 1(of air chamber is shown in Fig. 2) change into thrust P2(see Fig. 1 by adjustment arm 103, eccentric shaft 2), pressure seat assembly, adjustment screw rod, push-plate, under the effect of thrust P2, promote brake pad to compress on the disc brake rotor, produce a counteracting force P3(and see Fig. 2). Owing to braking clamp body 105 is to be slidably connected in brake holder 100 corresponding aperture by guide pin bushing 101, make guide pin bushing 101 can move axially along this hole. Therefore under the effect of this counteracting force P3, braking clamp body 105 drives the brake pad 106 of opposite side to move to the direction pressing close to braking dish 104, compresses on the disc brake rotor, and the braking dish 104 of rotation is under the pressure effect of the brake pad 106 of both sides, stop operating, thus reaching braking effect.
The brake of the present invention when releasing braking, braking air chamber push rod return, take adjustment arm 103, eccentric shaft 2 to and return to original position, the distress resolves of braking dish both sides, under the effect of the centrifugal force that brake pad 106 is formed at braking dish 104 high speed rotating, disengage with braking dish 104, brake release.
The brake of the present invention is that the gap ensureing between brake pad 106 and braking dish 104 remains unchanged and need to carry out gap adjustment, to ensure suitable brake clearance δ. when braking, eccentric shaft 2 turns an angle every time, makes brake pad 106 move δ distance, is pressed on braking dish 104. when eccentric shaft 2 does certain angle rotation, because the adjustment tank T2 of the adjustment block T1 on eccentric shaft 2 Yu bevel gear 3 has certain interval μ, and gap μ and brake clearance δ is suitable, when brake clearance is the brake clearance δ set, adjustment block T1 only rotates in adjustment tank T2, adjustment tank T2 can not be promoted to rotate, and therefore bevel gear 3 does not rotate. when brake pad 106 because of abrasion and braking dish 104 between brake clearance increase time, the angle that eccentric shaft 2 rotates increases, the rotational angle of adjustment block T1 increases therewith, promotion adjustment tank T2 is together rotated by adjustment block T1, namely eccentric shaft drives bevel gear 3 together to rotate, bevel gear 3 engaged transmission bevel gear 4, rotating by the input gear 5a in its rotating shaft and one-way clutch 6 driven gear gear unit 5 of bevel gear 4, and by the output gear 5c drving sprial pushing unit 7 in this gear transmission unit 5, adjusting sleeve 7a therein is driven to rotate, adjust screw rod 7b to move axially, promotion push-plate moves forward, with the gap that elimination increases due to abrasion, adjust the distance of screw rod advance equal to the wear extent that must compensate.After brake release, adjust arm 103, eccentric shaft 2 returns to original position under the effect of return spring (not shown) in brake chamber, but rotating backward of bevel gear 4 can not drive input gear 5a to rotate by one-way clutch 6, thus push-plate can not be driven to move, to reach clearance constant.
Claims (11)
1. an air-pressure disc brake, including brake holder, the braking dish being arranged in this brake holder and caliper and be arranged on caliper and be connected to the push-plate of brake pad, it is characterised in that also include pressure seat, eccentric shaft, bevel gear, bevel gear, one-way clutch, gear transmission unit and auger unit; Described pressure seat is slidably connected on described caliper, and described auger unit is arranged on pressure seat, and pressure seat is connected with push-plate by auger unit; Described eccentric shaft includes axis body and the eccentric disc with the not coaxial line of axis body, eccentric shaft is bearing on described caliper by axis body, described eccentric disc is placed in the eccentric disk hole that pressure seat is corresponding, and eccentric shaft is when the axis of axis body rotates, and eccentric disc drives pressure seat and push-plate to do translational motion; The eccentric disc of described eccentric shaft is provided with adjustment tank, and the inner arc surface of described bevel gear clamping ring arranges an adjustment block, the coaxial line rotation that bevel gear is placed on eccentric shaft and realizes both by being provided with the described adjustment block in gap and the mutual of adjustment tank to touch;
Described bevel gear engages with bevel gear, the input gear that bevel gear is in transmission connection in gear transmission unit by one-way clutch, output gear in gear transmission unit transmission is in transmission connection described auger unit, when bevel gear rotates also drive bevel gear with eccentric shaft coaxial line, by one-way clutch, gear transmission unit and auger unit, the brake pad on push-plate is made to move to pressing close to braking dish direction;
Described gear transmission unit includes input gear, output gear and transition gear, is engaged transmission by least one transition gear between described input gear and output gear; Described bevel gear is in transmission connection input gear by the one-way clutch connected in this bevel gear rotating shaft; Described output gear is in transmission connection described auger unit;
Described one-way clutch is unilateral bearing;
Described pressure seat side is equipped with a gear stand, and each pinion rotation of described gear transmission unit is arranged on this gear stand;
Described gear stand includes two gripper shoes and some rivets, the described two parallel placements of gripper shoe, is spaced from each other certain distance and by described rivet; Engaged transmission in each gear of described gear transmission unit space between two gripper shoes;
Rotating shaft, transition gear is had to be rotatably connected in this rotating shaft between described two gripper shoes and corresponding to the riveted joint of transition gear position; It is respectively equipped with, in two gripper shoes and corresponding to input gear position, the first structure hole allowing this input gear pass through; The connecting hole making this output gear radially location and the second structure hole allowing this output gear pass through it is respectively provided with in two gripper shoes and corresponding to output gear position, output gear one end is rotationally connected with the connecting hole in the gripper shoe of side, and one end is in transmission connection by the second structure hole in opposite side gripper shoe and described auger unit.
2. a kind of air-pressure disc brake according to claim 1, it is characterized in that described eccentric shaft is provided with the described axis body of two sections of coaxial lines, described eccentric disc is located between this two axis body, and eccentric shaft is bearing on described caliper by the bearing being respectively arranged on two axis bodies.
3. a kind of air-pressure disc brake according to claim 2, it is characterised in that the eccentric disc of described eccentric shaft is provided with the arc surface for described bevel gear radially location, is provided with adjustment tank on the end face be perpendicular to this arc surface.
4. a kind of air-pressure disc brake according to claim 3, it is characterised in that described adjustment tank is protrude from the rectangular channel of described end face.
5. a kind of air-pressure disc brake according to claim 3, it is characterised in that described bevel gear includes clamping ring and conial tooth part; The adjustment block that the inner ring surface of described clamping ring is provided with the inner arc surface corresponding with described arc surface and adjustment tank described with on eccentric shaft matches; Described conial tooth part is provided with some cone teeth that distribution circular arc is not more than 90 °, and this conial tooth part is arranged on described clamping ring outer rim side.
6. a kind of air-pressure disc brake according to claim 5, it is characterised in that described adjustment block is protrude from the rectangular block of described inner arc surface.
7. a kind of air-pressure disc brake according to claim 5 or 6, it is characterized in that described bevel gear is set on eccentric shaft, and axially position with end face described on eccentric shaft, with on described inner arc surface and eccentric shaft described arc surface fit into conduct to location; Adjustment block on described bevel gear has cooperating of gap with the adjustment tank on eccentric shaft, and when the adjustment block cooperated contacts with adjustment tank, both do rotating in same direction.
8. a kind of air-pressure disc brake according to claim 1, it is characterized in that described auger unit includes adjusting sleeve and screw rod, described adjusting sleeve is movably connected on pressure seat, adjusting sleeve center is provided with screw, described screw rod is screwed in this screw, adjusting sleeve or screw rod are connected with described output gear, and the screw rod being rotatably connected in adjusting sleeve or the adjusting sleeve one end being rotatably connected in screw rod are connected with the push-plate on described caliper; When output gear drives adjusting sleeve to rotate, screw rod drives push-plate to axially move, or adjusting sleeve drives push-plate to axially move when output gear drives screw rod to rotate.
9. a kind of air-pressure disc brake according to claim 8, it is characterised in that described pressure seat center is provided with eccentric disk hole, is provided with the adjustment trepanning vertical with eccentric disk hole in eccentric disk hole symmetry both sides; Described eccentric disc is supported in eccentric disk hole by bearing; Described adjusting sleeve is placed in adjustment trepanning.
10. a kind of air-pressure disc brake according to claim 9, it is characterized in that described adjusting sleeve is rotatably connected in described adjustment trepanning and is connected with output gear, screw rod is screwed in the screw that adjusting sleeve is corresponding, one end is connected with push-plate, when output gear drives adjusting sleeve to rotate, screw rod drives push-plate to axially move.
11. a kind of air-pressure disc brake according to claim 9, it is characterized in that described adjusting sleeve is slidably connected in described adjustment trepanning, one end is connected with push-plate, screw rod is screwed in the screw that adjusting sleeve is corresponding, one end is connected with output gear, when output gear drives screw rod to rotate, adjusting sleeve drives push-plate to axially move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276734.8A CN103335034B (en) | 2013-07-03 | 2013-07-03 | A kind of air-pressure disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276734.8A CN103335034B (en) | 2013-07-03 | 2013-07-03 | A kind of air-pressure disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335034A CN103335034A (en) | 2013-10-02 |
| CN103335034B true CN103335034B (en) | 2016-06-15 |
Family
ID=49243240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310276734.8A Expired - Fee Related CN103335034B (en) | 2013-07-03 | 2013-07-03 | A kind of air-pressure disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103335034B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377539B (en) * | 2020-10-13 | 2021-11-30 | 东风汽车集团有限公司 | Brake device and vehicle |
| CN113790226A (en) * | 2021-09-13 | 2021-12-14 | 山东理工大学 | Two-stage reinforcement type electromechanical brake actuator based on worm gear and worm and unilateral eccentric wheel |
| CN113790228B (en) * | 2021-09-13 | 2022-10-11 | 山东理工大学 | Bidirectional reinforcement type electromechanical brake actuator based on double-side eccentric wheels |
| CN113790230B (en) * | 2021-09-13 | 2022-10-04 | 山东理工大学 | Bidirectional reinforcement type electromechanical brake actuator based on linear motor and bilateral eccentric wheels |
| CN113790229A (en) * | 2021-09-13 | 2021-12-14 | 山东理工大学 | Two-stage reinforcement type electromechanical brake actuator based on linear motor and unilateral eccentric wheel |
| CN113790227A (en) * | 2021-09-13 | 2021-12-14 | 山东理工大学 | Two-stage reinforcement type electromechanical brake actuator based on unilateral eccentric wheel |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0703379A1 (en) * | 1994-09-22 | 1996-03-27 | Rockwell International Corporation | Adjuster mechanism for a disc brake |
| US5794738A (en) * | 1996-11-12 | 1998-08-18 | Rockwell Heavy Vehicle Systems, Inc. | Disc brake with gear driven adjusting piston |
| JPH10318305A (en) * | 1997-05-14 | 1998-12-04 | Akebono Brake Ind Co Ltd | Adjuster of disc brake gear |
| CN201047412Y (en) * | 2006-05-24 | 2008-04-16 | 韩兆瑞 | Vehicle braking automatic regulation arm |
| CN201851562U (en) * | 2010-11-08 | 2011-06-01 | 杭州登峰离合器有限公司 | Automobile brake clearance adjusting arm |
| CN102121522A (en) * | 2011-03-11 | 2011-07-13 | 许晓华 | Improved structure of minitype planet gear speed changing box |
| CN102562884A (en) * | 2012-02-29 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Air disc brake |
| CN202441774U (en) * | 2012-02-27 | 2012-09-19 | 十堰市华迪汽车零部件有限公司 | Automobile disc brake |
| CN202746467U (en) * | 2012-09-13 | 2013-02-20 | 瑞立集团瑞安汽车零部件有限公司 | Automatic automobile brake gap adjusting arm, brake device and automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5302124B2 (en) * | 2009-07-22 | 2013-10-02 | 曙ブレーキ工業株式会社 | Disc brake device |
-
2013
- 2013-07-03 CN CN201310276734.8A patent/CN103335034B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0703379A1 (en) * | 1994-09-22 | 1996-03-27 | Rockwell International Corporation | Adjuster mechanism for a disc brake |
| US5794738A (en) * | 1996-11-12 | 1998-08-18 | Rockwell Heavy Vehicle Systems, Inc. | Disc brake with gear driven adjusting piston |
| JPH10318305A (en) * | 1997-05-14 | 1998-12-04 | Akebono Brake Ind Co Ltd | Adjuster of disc brake gear |
| CN201047412Y (en) * | 2006-05-24 | 2008-04-16 | 韩兆瑞 | Vehicle braking automatic regulation arm |
| CN201851562U (en) * | 2010-11-08 | 2011-06-01 | 杭州登峰离合器有限公司 | Automobile brake clearance adjusting arm |
| CN102121522A (en) * | 2011-03-11 | 2011-07-13 | 许晓华 | Improved structure of minitype planet gear speed changing box |
| CN202441774U (en) * | 2012-02-27 | 2012-09-19 | 十堰市华迪汽车零部件有限公司 | Automobile disc brake |
| CN102562884A (en) * | 2012-02-29 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Air disc brake |
| CN202746467U (en) * | 2012-09-13 | 2013-02-20 | 瑞立集团瑞安汽车零部件有限公司 | Automatic automobile brake gap adjusting arm, brake device and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103335034A (en) | 2013-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103335034B (en) | A kind of air-pressure disc brake | |
| CN101728998B (en) | Electronic mechanical drum brake | |
| CN103109104A (en) | Electric brake | |
| KR20150068566A (en) | Electronic parking brake | |
| KR20130117091A (en) | Electronic parking brake | |
| CN103115094B (en) | A kind of regulator of clearance self-regulating mechanism in automobile disc brake | |
| CN103987982A (en) | Synchronizing device between two revolving components | |
| CN206299719U (en) | A kind of external intermediate shaft brake assembly | |
| KR20110029267A (en) | Parking brake for vehicle | |
| CN106438742A (en) | Gearbox with manual clutch function | |
| KR20110124817A (en) | Electric disc brake | |
| CN203404282U (en) | Air pressure disc type brake | |
| WO2014021647A1 (en) | Disk brake for vehicle having gear connection | |
| CN206522381U (en) | A kind of electromagnetic type intermediate shaft brake assembly | |
| CN203404294U (en) | Brake clearance compensation mechanism based on air-pressure disk type brake | |
| KR20180024364A (en) | Electric parking brake | |
| CN103423346A (en) | Brake clearance change sensing mechanism based on air pressure disc brake | |
| CN106438782B (en) | Automatic adjusting arm for automobile brake clearance | |
| CN203404295U (en) | Brake clearance change inducting mechanism based on air-pressure disk type brake | |
| CN103423347A (en) | Gap adjusting mechanism based on air pressure disc brake | |
| KR20150072582A (en) | Power transmitting device for electric parking brake system | |
| KR102132510B1 (en) | Disc brake device | |
| CN205446492U (en) | Stopper clearance adjustment device and atmospheric pressure disc brake | |
| CN101509528B (en) | Clutch | |
| CN103486167A (en) | Braking-clearance compensating mechanism based on atmospheric-pressure disc type brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |