CN103693069A - Tread brake device - Google Patents
Tread brake device Download PDFInfo
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- CN103693069A CN103693069A CN201310745609.7A CN201310745609A CN103693069A CN 103693069 A CN103693069 A CN 103693069A CN 201310745609 A CN201310745609 A CN 201310745609A CN 103693069 A CN103693069 A CN 103693069A
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000000725 suspension Substances 0.000 claims description 39
- 230000020347 spindle assembly Effects 0.000 claims description 11
- 235000014676 Phragmites communis Nutrition 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 abstract 3
- 238000013016 damping Methods 0.000 abstract 3
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention relates to a tread brake device. The tread brake device comprises a cylinder body, a spindle subassembly, a force amplifying mechanism, a thrust ring and a brake shoe swinging mechanism, wherein the brake shoe swinging mechanism comprises an adjusting head, a suspender, a brake shoe support, a brake shoe and a damping subassembly; the suspender is rotatably connected to the cylinder body; the adjusting head and the brake shoe support are rotatably connected to the suspender; the brake shoe and the damping subassembly are arranged on the brake shoe support; the brake shoe support comprises a left side plate and a right side plate; the adjusting head is sleeved on a lead screw and is connected with a clearance adjusting mechanism; a baffle is arranged on the adjusting head and is positioned between the left side plate and the right side plate; threaded holes are formed in positions, which correspond to the baffle, of the left side plate and the right side plate; the damping subassembly comprises screw covers, compression disc springs and friction blocks; the screw covers are screwed in the threaded holes; the compression disc springs are arranged in inner cavities of the screw covers; and each friction block is clamped between the corresponding compression disc spring and the baffle. The brake shoe of the tread brake device can well cling to a tread of a wheel, and abnormal abrasion of parts due to vibration impact can be avoided.
Description
Technical field
The present invention relates to a kind of foundation brake rigging, especially a kind of tread brake device of rail traffic vehicles.
Background technology
The common form of foundation brake rigging of rail traffic vehicles has: by brake shoe, compress tread to obtain the tread brake device of braking force and to clamp brake disc to obtain the disc brake of braking force by brake lining.Applying and alleviating of tread brake device braking utilizes pressurized air to realize conventionally: when being filled with pressurized air, apply braking; When discharging pressurized air, alleviate braking.Tread brake device generally consists of cylinder body, spindle assemblies, force amplificatory structure, clearance adjustment mechanism, thrust ring and brake shoe swinging gear etc.Piston in cylinder body by cam driven main shaft, promotes brake head and advances under the promotion of pressure gas, makes brake shoe hold wheel tread tightly, thereby produces friction force, realizes braking.
The brake shoe swinging gear of tread brake device is the parts that directly act on wheel, and the stability of its structure and reliability are directly connected to the effect of braking.At present, existing brake shoe swinging gear structure is comparatively simple, and parts wear is serious, and motion credibility is poor, particularly, in the situation that braking environment is more severe, cannot meet utilization requirement.
Germany Patent document DE4117632A1 discloses a kind of rolling stock brake unit and has comprised brake shoe swinging gear, brake cylinder, force amplificatory structure, clearance adjustment mechanism.The tread brake device two of this structure is widely used on rail traffic vehicles during the last ten years, and it is stable, and reliability is high, but while still existing part parts to be subjected to displacement each other motion, unbalance stress, easy to wear, the shortcoming that maintenance maintenance cost is high.As shown in FIG. 9 and 10, slide block 42 ' in the tread brake device of the technical scheme based on Germany Patent document DE4117632A1 is directly in the upper slip of cylinder body 1 ', cylinder 41-1 ' on thrust ring 41 ' is connected in the circular groove 42-1 ' of slide block 42 ', so slide block is easy to wear, can affect the stable of device operation.In addition, the leg 31-2 ' of piston is directly hinged with cam 33 ', cam 33 ' rotation, and during pushing rolling wheels 41-2 ', now piston 31 ' can deflect forward, and the deflection of piston 31 ' is extrusion piston seal ring 35 ', the wearing and tearing of accelerating piston seal ring 35 '; The efficiency of mechanical transfer will be reduced simultaneously.
Summary of the invention
The object of this invention is to provide a kind of brake shoe and can better be adjacent to wheel tread, and can avoid the tread brake device of the parts inordinate wear that causes because of vibratory impulse.
The technical scheme that realizes the object of the invention is a kind of tread brake device, comprise cylinder body, spindle assemblies, force amplificatory structure, thrust ring and brake shoe swinging gear, described spindle assemblies, force amplificatory structure and thrust ring are located in cylinder body, described spindle assemblies comprises leading screw and clearance adjustment mechanism, described clearance adjustment mechanism is set on leading screw, described thrust ring is set on clearance adjustment mechanism, described force amplificatory structure acts on described thrust ring, and described brake shoe swinging gear comprises adjusting head, suspension rod, brake head, brake shoe and damper assembly; Described suspension rod is rotatably connected on described cylinder body, and described adjusting head and brake head are rotatably connected on described suspension rod, and described brake shoe and damper assembly are arranged on described brake head; Described brake head comprises left side board and right side board; Described adjusting head is set on described leading screw, and is connected with described clearance adjustment mechanism; Described adjusting head is provided with baffle plate, and described baffle plate is between left side board and right side board; Described left side board and right side board all offer tapped bore with the corresponding position of described baffle plate; Described damper assembly comprises the gland that screws in described tapped bore, is located at the compact disc spring in described gland inner chamber and is clamped in the friction shoe between described compact disc spring and described baffle plate.
Above-mentioned brake shoe swinging gear also comprises the first rotating assembly and the second rotating assembly, and described suspension rod is rotatably connected on described cylinder body by the first rotating assembly, and described adjusting head and brake head are rotatably connected on described suspension rod by the second rotating assembly.
Above-mentioned cylinder body is provided with arm, and described arm is provided with two permanent seats; The both sides of described suspension rod one end are provided with two suspension ring, and the both sides of the described suspension rod other end are provided with two set collars; Described the first rotating assembly comprises the first bolt, the first pad, the first nut and torsion spring, suspension ring, permanent seat, torsion spring, permanent seat, suspension ring, the first pad and the first nut described in described the first screw bolt passes, and be connected with the first nut thread; The bipod of described torsion spring offsets with described arm and described suspension rod respectively; Described suspension rod is rotatably connected on described arm by the first rotating assembly.
Above-mentioned the second rotating assembly comprises the second bolt, the second pad, reed, the second nut, the first axle sleeve, two the second axle sleeves and two the 3rd axle sleeves; Described two set collars are provided with centre hole, a relative side of described set collar is provided with tapered slope along the edge of its centre hole, described the 3rd axle sleeve is provided with the taper stopper section that the shape with described tapered slope matches, described the 3rd axle sleeve is positioned at the centre hole of described set collar, and described taper stopper section is positioned at described tapered slope; Described left side board is provided with the through hole corresponding with the central hole location of set collar with right side board, described the second axle sleeve is positioned at the through hole of left side board and right side board, described the first axle sleeve is through described adjusting head, two the second axle sleeves are set in the two ends of described the first axle sleeve, described second screw bolt passes the second pad, the 3rd axle sleeve, the first axle sleeve, the 3rd axle sleeve, reed and the second nut, and be connected with the second nut thread; Described brake head and described adjusting head are rotatably connected on described suspension rod by the second rotating assembly.
Above-mentioned force amplificatory structure is cam mechanism, comprises piston and two cams; In described cylinder body, be provided with plunger shaft, described piston elasticity is arranged in described plunger shaft, described piston comprises piston body and from extended two legs of a side of piston body, the center of turn of described cam is rotatably connected on described cylinder body, the edge of described cam is provided with ejection cambered surface, and described ejection cambered surface and described thrust ring offset; Described cam is provided with waist manhole, described each leg is connected in described waist manhole by being arranged with the pin rolling of antifriction-bearing box away from one end of piston body, when described piston promotes described cam rotation, described piston moves along the axis of plunger shaft all the time.
Above-mentioned clearance adjustment mechanism is provided with cylinder, and described thrust ring is provided with the arc groove matching with described cylinder, and described cylinder is positioned at arc groove.
Above-mentioned tread brake device also comprises slide, and described slide is provided with guide groove, and slide is fixed on described inboard wall of cylinder block; Fixed leg is extended in the both sides of described thrust ring; On described fixed leg, be arranged with the second needle bearing that is positioned at the first needle bearing of inner side and is positioned at outside; Described the first needle bearing and described ejection cambered surface offset, and described the second needle bearing is positioned at described guide groove, and when described cam promotes described thrust ring and advances or retreat, described fixed leg moves along described guide groove.
Above-mentioned two legs are symmetrical arranged and perpendicular to described piston body, described leg consists of with the connecting portion that is connected described two connecting plate portions and described piston body two connecting plate portions that are parallel to each other, and described cam is between two connecting plate portions of corresponding leg; Described bearing pin is successively through one of them connecting plate portion, oval shape groove and another connecting plate portion.
Above-mentioned force amplificatory structure also comprises retracing spring, mount pad, piston packing ring and set pin assembly; Described piston packing ring is set in the edge of described piston body; Described mount pad is fixed in described cylinder body, and one end of described retracing spring and described piston offset, and the other end and described mount pad offset; The center of turn of described cam is provided with pin-and-hole, and described set pin assembly passes described cylinder body and pin-and-hole, thereby cam is rotatably connected on described cylinder body.
Above-mentioned tread brake device also comprises the parking brake mechanism that is provided with hand relieving assembly and spring energy-storage assembly, and described parking brake mechanism is arranged on cylinder body.
The present invention has positive effect:
(1) the brake head swinging gear of tread brake device of the present invention, by dish spring, friction shoe, apply appropriate power to adjusting head, thereby while guaranteeing Vehicular vibration, brake head can not rock swing with vibration, and when braking, under enough brake shoe positive pressure, brake head can swing, so that brake shoe can better be adjacent to wheel tread.
(2) the first runner assembly and the second turning discreteness of the brake head swinging gear of tread brake device of the present invention, reasonable in design, can effectively guarantee the reliability that adjusting head, suspension rod, brake head rotate, make slow-roll stabilization, alleviate the wearing and tearing of parts.
(3) tread brake device cam of the present invention is provided with waist manhole, leg is connected in waist manhole by being arranged with the pin rolling of antifriction-bearing box away from one end of piston body, when piston actuating cam rotates, piston and cam point of connection change, avoided the deflection of piston, and antifriction-bearing box makes the motion between parts more smooth.Because piston is all the time along the axial-movement of plunger shaft, reduced the transverse force of seal ring, so mechanical transfer efficiency improves; Meanwhile, also alleviate the wearing and tearing of seal ring, greatly improved the service life of seal ring.
(4) cylinder of thrust ring is positioned at the arc groove of clearance adjustment mechanism, in braking procedure, cylinder is subject to the ejection of arc groove, if brake shoe swings, can, so that clearance adjustment mechanism swings with respect to thrust ring, the rigid impact wearing and tearing of parts have been avoided.
(5) in prior art, thrust ring directly slides on cylinder body by slide block, part is easy to wear, tread brake device of the present invention has changed slide block into slide, on slide, offer guide groove, the stressed member of thrust ring is positioned at guide groove, and stressed member contacts with guide groove by sheathed needle bearing, effectively reduced friction, guaranteeing, under the prerequisite of stable and reliable operation, to have extended to a great extent the life-span of parts, also improved mechanical efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of the tread brake device of embodiment 2;
Fig. 2 is the perspective view of the tread brake device of embodiment 1;
Fig. 3 is that the tread brake device in Fig. 2 removes the inner structure schematic diagram after cylinder body, brake shoe swinging gear;
Fig. 4 is the part sectional view of the cylinder body of tread brake device while observing from the top of Fig. 2;
Fig. 5 is the perspective view of the cam in Fig. 3;
Fig. 6 is the perspective view of the slide block in Fig. 3;
Fig. 7 is piston in Fig. 3 structural representation when actuating cam rotates;
Structural representation when Fig. 8 is the piston actuating cam rotation in Fig. 3;
Fig. 9 is the part sectional view of the cylinder body of tread brake device of the prior art;
Structural representation when Figure 10 is piston actuating cam rotation of the prior art;
Figure 11 is the perspective exploded view of the brake shoe swinging gear in Fig. 1;
Figure 12 is the section-drawing of the A-A in Fig. 4.
The mark of above-mentioned accompanying drawing is as follows:
Spindle assemblies 2, leading screw 21, clearance adjustment mechanism 22, cylinder 22-1,
Force amplificatory structure 3, piston 31, piston body 31-1, leg 31-2, the 31-2-1 of connecting plate portion, connecting portion 31-2-2, retracing spring 32, cam 33, ejection cambered surface 33-1, pin-and-hole 33-2, waist manhole 33-3, mount pad 34, piston packing ring 35, bearing pin 36, set pin assembly 37, antifriction-bearing box 38
Brake shoe swinging gear 5, adjusting head 51, baffle plate 51-1, suspension rod 52, suspension ring 52-1, set collar 52-2, tapered slope 52-2-1, brake head 53, tapped bore 53-3, left side board 53-1, right side board 53-2, brake shoe 54, the first rotating assembly 55, the first bolt 55-1, the first pad 55-2, the first nut 55-3, torsion spring 55-4, damper assembly 56, gland 56-1, compact disc spring 56-2, friction shoe 56-3, the second rotating assembly 57, the second bolt 57-1, the second pad 57-2, reed 57-3, the second nut 57-4, the first axle sleeve 57-5, the second axle sleeve 57-6, the 3rd axle sleeve 57-7.
The specific embodiment
(embodiment 1)
See Fig. 2 and Fig. 3, the tread brake device of the present embodiment, comprises cylinder body 1, spindle assemblies 2, force amplificatory structure 3, thrust ring 41 and brake shoe swinging gear 5.Spindle assemblies 2, force amplificatory structure 3 and thrust ring 41 are located in cylinder body 1.Spindle assemblies 2 comprises leading screw 21 and clearance adjustment mechanism 22.Clearance adjustment mechanism 22 is set on leading screw 21.Thrust ring 41 is set on clearance adjustment mechanism 22.
See Fig. 3 to Fig. 8, force amplificatory structure 3 is cam mechanisms, comprises piston 31 and two cams 33.Piston 31 elasticity are arranged in plunger shaft, and piston 31 comprises piston body 31-1 and from extended two the leg 31-2 of a side of piston body 31-1.The center of turn of cam 33 is rotatably connected on cylinder body 1, and the edge of cam 33 is provided with ejection cambered surface 33-1.Ejection cambered surface 33-1 and thrust ring 41 offset.Cam 33 is provided with waist manhole 33-3, and each leg 31-2 is connected in waist manhole 33-3 by being arranged with bearing pin 36 rollings of antifriction-bearing box 38 away from one end of piston body 31-1.When piston 31 actuating cams 33 rotate, piston 31 moves along the axis of plunger shaft all the time.
See Fig. 3, clearance adjustment mechanism 22 is provided with cylinder 22-1, and thrust ring 41 is provided with the arc groove 41-4 matching with cylinder 22-1, and described cylinder 22-1 is positioned at arc groove 41-4.
See Fig. 3, Fig. 4 and Fig. 6, this tread brake device also comprises slide 42, and slide 42 is provided with guide groove 42-1.Slide 42 is fixed on cylinder body 1 inwall.Fixed leg 41-1 is extended in the both sides of thrust ring 41, is arranged with the second needle bearing 41-3 that is positioned at the first needle bearing 41-2 of inner side and is positioned at outside on fixed leg 41-1.The first needle bearing 41-2 and ejection cambered surface 33-1 offset, and the second needle bearing 41-3 is positioned at guide groove 42-1.When cam 33 promotion thrust rings 41 advance or retreat, fixed leg 41-1 moves along guide groove 42-1.
See Fig. 3 and Fig. 4, two leg 31-2 are symmetrical arranged and perpendicular to piston body 31-1.Leg 31-2 consists of with the connecting portion 31-2-2 that is connected two 31-2-1 of connecting plate portion and piston body 31-1 two 31-2-1 of connecting plate portion that are parallel to each other.Cam 33 is between two 31-2-1 of connecting plate portion of corresponding leg 31-2.Bearing pin 36 is successively through one of them 31-2-1 of connecting plate portion, oval shape groove 33-3 and the 31-2-1 of another connecting plate portion.
See Fig. 3, force amplificatory structure 3 also comprises retracing spring 32, mount pad 34, piston packing ring 35 and set pin assembly 37.Piston packing ring 35 is set in the edge of piston body 31-1.Mount pad 34 is fixed in cylinder body 1.One end of retracing spring 32 and piston 31 offset, and the other end and mount pad 34 offset.The center of turn of cam 33 is provided with pin-and-hole 33-2, and set pin assembly 37 passes cylinder body 1 and pin-and-hole 33-2, thereby cam 33 is rotatably connected on cylinder body 1.
The clearance adjustment mechanism 22 of this tread brake device is the clearance adjustment mechanism described in Germany Patent document DE4117632A1.
See Figure 12 and Figure 13, brake shoe swinging gear 5 comprises adjusting head 51, suspension rod 52, brake head 53, brake shoe 54, the first rotating assembly 55, damper assembly 56 and the second rotating assembly 57.Brake shoe 54 and damper assembly 56 are arranged on described brake head 53.Brake head 53 comprises left side board 53-1 and right side board 53-2.Adjusting head 51 is set on leading screw 21, and is connected with clearance adjustment mechanism 22, and the bottom of adjusting head 51 is extended baffle plate 51-1 downwards, and baffle plate 51-1 is between left side board 53-1 and right side board 53-2.The top front end of cylinder body 1 is provided with the arm 11 extending obliquely, and the top of suspension rod 52 is rotatably connected on arm 11 by the first rotating assembly 55.Brake head 53 and adjusting head 51 are rotatably connected on the bottom of suspension rod 52 by the second rotating assembly 57.Left side board 53-1 and right side board 53-2 all offer tapped bore 53-3 with the corresponding position of baffle plate 51-1.Damper assembly 56 comprise the gland 56-1 that screws in tapped bore 53-3, be located at the compact disc spring 56-2 in gland 56-1 inner chamber and be clamped in compact disc spring 56-2 and baffle plate 51-1 between friction shoe 56-3.
The top of arm 11 is provided with two permanent seat 11-1 that extend forward.The both sides, top of suspension rod 52 are respectively equipped with two suspension ring 52-1, and the two bottom sides of suspension rod 52 is respectively equipped with two set collar 52-2.
The first rotating assembly 55 comprises the first bolt 55-1, the first pad 55-2, the first nut 55-3 and torsion spring 55-4, the first bolt 55-1 passes suspension ring 52-1, permanent seat 11-1, torsion spring 55-4, permanent seat 11-1, suspension ring 52-1, the first pad 55-2 and the first nut 55-3 successively, and is threaded with the first nut 55-3.Between suspension ring 52-1, permanent seat 11-1 and torsion spring 55-4 and the first bolt 55-1, be equipped with lining.The bipod of torsion spring 55-4 offsets with arm 11 and suspension rod 52 respectively.
The second rotating assembly 57 comprises the second bolt 57-1, the second pad 57-2, reed 57-3 and the second nut 57-4, and the second bolt 57-1 passes axis hole 51-2, left side board 53-1, set collar 52-2, reed 57-3, the second nut 57-4, the first axle sleeve 57-5, two the second axle sleeve 57-6 and two the 3rd axle sleeve 57-7 of set collar 52-2, the second pad 57-2, right side board 53-2, adjusting head 51 successively.Two set collar 52-2 are provided with centre hole, a relative side of set collar 52-2 is provided with tapered slope 52-2-1 along the edge of its centre hole, the 3rd axle sleeve 57-7 is provided with the taper stopper section that the shape with tapered slope 52-2-1 matches, the 3rd axle sleeve 57-7 is positioned at the centre hole of set collar 52-2, and taper stopper section is positioned at tapered slope 52-2-1.Left side board 53-1 is provided with the through hole corresponding with the central hole location of set collar 52-2 with right side board 53-2, the second axle sleeve 57-6 is positioned at the through hole of left side board 53-1 and right side board 53-2, the first axle sleeve 57-5 is through the axis hole 51-2 of adjusting head 51, two the second axle sleeve 57-6 are set in the two ends of the first axle sleeve 57-5, the second bolt 57-1 passes the second pad 57-2, the 3rd axle sleeve 57-7, the first axle sleeve 57-5, the 3rd axle sleeve 57-7, reed 57-3 and the second nut 57-4 successively, and is threaded with the second nut 57-4.
The tread brake device of the present embodiment, while starting to brake, pressurized air enters in the plunger shaft of cylinder body 1, and the effect that promotion piston 31 overcomes retracing spring power 32 moves downward, thus band moving cam 33 rotates around pin-and-hole 33-2.Cam 33 rotates and promotes the first needle bearing 41-2 rotation, and forward, thrust ring 41 promotes gaps and adjusts bodies 22 thrust ring 41, and gap is adjusted body 22 and promoted leading screw 21 forward.Leading screw 21 promotes adjusting head 51, thereby the friction force that can overcome when brake head 53 travels forward between friction shoe 56-3 and baffle plate 51-1 swings, thereby make brake shoe 54 be close to wheel tread, realizes braking.In braking procedure,, in order to guarantee the straight-line motion of thrust ring 41, cover has the fixed leg 41-1 of the second needle bearing 41-3 to slide in the guide groove 42-1 of slide 42.It is due to cylinder 22-1, to be subject to the ejection of arc groove 41-4 that thrust ring 41 promotes gap adjustment body 22, and when brake shoe 54 swings, cylinder 22-1 can swing in arc groove 41-4, thereby clearance adjustment mechanism 22 is swung with respect to thrust ring 41.
(embodiment 2)
The tread brake device of the present embodiment, remainder is identical with embodiment 1, difference is: this tread brake device also comprises the parking brake mechanism 6 that is provided with hand relieving assembly and spring energy-storage assembly, and this parking brake mechanism 6 is the parking brake mechanisms described in Germany Patent document DE4117632A1.
Tread brake device of the present invention is not limited to the various embodiments described above.Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (10)
1. a tread brake device, comprise cylinder body (1), spindle assemblies (2), force amplificatory structure (3), thrust ring (41) and brake shoe swinging gear (5), described spindle assemblies (2), force amplificatory structure (3) and thrust ring (41) are located in cylinder body (1), described spindle assemblies (2) comprises leading screw (21) and clearance adjustment mechanism (22), described clearance adjustment mechanism (22) is set on leading screw (21), described thrust ring (41) is set on clearance adjustment mechanism (22), described force amplificatory structure (3) acts on described thrust ring (41), it is characterized in that: described brake shoe swinging gear (5) comprises adjusting head (51), suspension rod (52), brake head (53), brake shoe (54) and damper assembly (56), it is upper that described suspension rod (52) is rotatably connected on described cylinder body (1), and it is upper that described adjusting head (51) and brake head (53) are rotatably connected on described suspension rod (52), and described brake shoe (54) and damper assembly (56) are arranged on described brake head (53), described brake head (53) comprises left side board (53-1) and right side board (53-2), it is upper that described adjusting head (51) is set in described leading screw (21), and be connected with described clearance adjustment mechanism (22), described adjusting head (51) is provided with baffle plate (51-1), and described baffle plate (51-1) is positioned between left side board (53-1) and right side board (53-2), described left side board (53-1) and right side board (53-2) all offer tapped bore (53-3) with the corresponding position of described baffle plate (51-1), described damper assembly (56) comprise the gland (56-1) that screws in described tapped bore (53-3), be located at the compact disc spring (56-2) in described gland (56-1) inner chamber and be clamped in described compact disc spring (56-2) and described baffle plate (51-1) between friction shoe (56-3).
2. according to tread brake device claimed in claim 1, it is characterized in that: described brake shoe swinging gear (5) also comprises the first rotating assembly (55) and the second rotating assembly (57), it is upper that described suspension rod (52) is rotatably connected on described cylinder body (1) by the first rotating assembly (55), and described adjusting head (51) and brake head (53) are rotatably connected on described suspension rod (52) by the second rotating assembly (57).
3. according to tread brake device claimed in claim 2, it is characterized in that: described cylinder body (1) is provided with arm (11), described arm (11) is provided with two permanent seats (11-1); The both sides of described suspension rod (52) one end are provided with two suspension ring (52-1); Described the first rotating assembly (55) comprises the first bolt (55-1), the first pad (55-2), the first nut (55-3) and torsion spring (55-4), described the first bolt (55-1) passes described suspension ring (52-1), permanent seat (11-1), torsion spring (55-4), permanent seat (11-1), suspension ring (52-1), the first pad (55-2) and the first nut (55-3) successively, and is threaded with the first nut (55-3); The bipod of described torsion spring (55-4) offsets with described arm (11) and described suspension rod (52) respectively; Described suspension rod (52) is rotatably connected on described arm (11) by the first rotating assembly (55).
4. according to tread brake device claimed in claim 2, it is characterized in that: described the second rotating assembly (57) comprises the second bolt (57-1), the second pad (57-2), reed (57-3), the second nut (57-4), the first axle sleeve (57-5), two the second axle sleeves (57-6) and two the 3rd axle sleeves (57-7), the both sides of described suspension rod (52) other end are provided with two set collars (52-2), described two set collars (52-2) are provided with centre hole, a relative side of described set collar (52-2) is provided with tapered slope (52-2-1) along the edge of its centre hole, described the 3rd axle sleeve (57-7) is provided with the taper stopper section that the shape with described tapered slope (52-2-1) matches, described the 3rd axle sleeve (57-7) is positioned at the centre hole of described set collar (52-2), and described taper stopper section is positioned at described tapered slope (52-2-1), described left side board (53-1) is provided with the through hole corresponding with the central hole location of set collar (52-2) with right side board (53-2), described the second axle sleeve (57-6) is positioned at the through hole of left side board (53-1) and right side board (53-2), described the first axle sleeve (57-5) is through described adjusting head (51), two the second axle sleeves (57-6) are set in the two ends of described the first axle sleeve (57-5), described the second bolt (57-1) is successively through the second pad (57-2), the 3rd axle sleeve (57-7), the first axle sleeve (57-5), the 3rd axle sleeve (57-7), reed (57-3) and the second nut (57-4), and be threaded with the second nut (57-4), described brake head (53) and described adjusting head (51) are rotatably connected on described suspension rod (52) by the second rotating assembly (57).
5. according to the tread brake device one of claim 1 to 4 Suo Shu, it is characterized in that: described force amplificatory structure (3) is cam mechanism, comprise piston (31) and two cams (33); Described cylinder body is provided with plunger shaft in (1), described piston (31) elasticity is arranged in described plunger shaft, described piston (31) comprises piston body (31-1) and from extended two legs of a side (31-2) of piston body (31-1), the center of turn of described cam (33) is rotatably connected on described cylinder body (1), the edge of described cam (33) is provided with ejection cambered surface (33-1), and described ejection cambered surface (33-1) offsets with described thrust ring (41); Described cam (33) is provided with waist manhole (33-3), described each leg (31-2) is connected in described waist manhole (33-3) by being arranged with bearing pin (36) rolling of antifriction-bearing box (38) away from one end of piston body (31-1), when described piston (31) promotes described cam (33) rotation, described piston (31) moves along the axis of plunger shaft all the time.
6. according to tread brake device claimed in claim 5, it is characterized in that: described clearance adjustment mechanism (22) is provided with cylinder (22-1), described thrust ring (41) is provided with the arc groove (41-4) matching with described cylinder (22-1), and described cylinder (22-1) is positioned at arc groove (41-4).
7. according to tread brake device claimed in claim 5, it is characterized in that: also comprise slide (42), described slide (42) is provided with guide groove (42-1), slide (42) is fixed on described cylinder body (1) inwall; Fixed leg (41-1) is extended in the both sides of described thrust ring (41); On described fixed leg (41-1), be arranged with the second needle bearing (41-3) that is positioned at first needle bearing (41-2) of inner side and is positioned at outside; Described the first needle bearing (41-2) offsets with described ejection cambered surface (33-1), described the second needle bearing (41-3) is positioned at described guide groove (42-1), when described cam (33) promotes described thrust ring (41) and advances or retreat, described fixed leg (41-1) is mobile along described guide groove (42-1).
8. according to tread brake device claimed in claim 5, it is characterized in that: described two legs (31-2) are symmetrical arranged and perpendicular to described piston body (31-1), described leg (31-2) consists of with the connecting portion (31-2-2) that is connected described two connecting plate portions (31-2-1) and described piston body (31-1) two connecting plate portions (31-2-1) that are parallel to each other, and described cam (33) is positioned between two connecting plate portions (31-2-1) of corresponding leg (31-2); Described bearing pin (36) is successively through one of them connecting plate portion (31-2-1), oval shape groove (33-3) and another connecting plate portion (31-2-1).
9. according to tread brake device claimed in claim 5, it is characterized in that: described force amplificatory structure (3) also comprises retracing spring (32), mount pad (34), piston packing ring (35) and set pin assembly (37); Described piston packing ring (35) is set in the edge of described piston body (31-1); Described mount pad (34) is fixed in described cylinder body (1), and one end of described retracing spring (32) and described piston (31) offset, and the other end and described mount pad (34) offset; The center of turn of described cam (33) is provided with pin-and-hole (33-2), and described set pin assembly (37) passes described cylinder body (1) and pin-and-hole (33-2), thereby cam (33) is rotatably connected on described cylinder body (1).
10. according to the tread brake device one of claim 1 to 4 Suo Shu, it is characterized in that: also comprise the parking brake mechanism (6) that is provided with hand relieving assembly and spring energy-storage assembly, described parking brake mechanism's installation (6) is on cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745609.7A CN103693069B (en) | 2013-12-30 | 2013-12-30 | Tread brake device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745609.7A CN103693069B (en) | 2013-12-30 | 2013-12-30 | Tread brake device |
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| Publication Number | Publication Date |
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| CN103693069A true CN103693069A (en) | 2014-04-02 |
| CN103693069B CN103693069B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310745609.7A Active CN103693069B (en) | 2013-12-30 | 2013-12-30 | Tread brake device |
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| CN104442895A (en) * | 2014-11-26 | 2015-03-25 | 南京浦镇海泰制动设备有限公司 | Tread brake |
| CN104477202A (en) * | 2014-11-26 | 2015-04-01 | 南京浦镇海泰制动设备有限公司 | Brake head overturn-proof structure of tread brake of rail vehicle |
| CN105156517A (en) * | 2015-08-07 | 2015-12-16 | 青岛四方车辆研究所有限公司 | Integrated driven type hydraulic braking clamp |
| CN109855889A (en) * | 2017-11-30 | 2019-06-07 | 常州中车铁马科技实业有限公司 | Multi-state tread braking unit fatigue test system |
| CN109955864A (en) * | 2019-04-26 | 2019-07-02 | 四川江山轨道交通装备制造有限公司 | Watt support sunpender |
| CN109969225A (en) * | 2019-04-26 | 2019-07-05 | 四川江山轨道交通装备制造有限公司 | Brake shoe and wheel tread automatic capturing structure in track brake |
| CN109969217A (en) * | 2019-04-26 | 2019-07-05 | 四川江山轨道交通装备制造有限公司 | A kind of tread braking unit |
| CN110803183A (en) * | 2019-09-26 | 2020-02-18 | 北京地铁车辆装备有限公司 | Frame for vehicle |
| CN113120022A (en) * | 2019-12-30 | 2021-07-16 | 常州中车铁马科技实业有限公司 | Tread brake |
| CN117433689A (en) * | 2023-12-14 | 2024-01-23 | 克诺尔车辆设备(苏州)有限公司 | Rebound device, tread brake testing equipment and tread brake testing method |
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| CN104442895A (en) * | 2014-11-26 | 2015-03-25 | 南京浦镇海泰制动设备有限公司 | Tread brake |
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| CN109955864A (en) * | 2019-04-26 | 2019-07-02 | 四川江山轨道交通装备制造有限公司 | Watt support sunpender |
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| CN110803183A (en) * | 2019-09-26 | 2020-02-18 | 北京地铁车辆装备有限公司 | Frame for vehicle |
| CN113120022A (en) * | 2019-12-30 | 2021-07-16 | 常州中车铁马科技实业有限公司 | Tread brake |
| CN117433689A (en) * | 2023-12-14 | 2024-01-23 | 克诺尔车辆设备(苏州)有限公司 | Rebound device, tread brake testing equipment and tread brake testing method |
| CN117433689B (en) * | 2023-12-14 | 2024-03-08 | 克诺尔车辆设备(苏州)有限公司 | Rebound device, tread brake testing equipment and tread brake testing method |
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| CN103693069B (en) | 2016-05-18 |
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