CN102829103A - Left brake assembly for engineering vehicle - Google Patents
Left brake assembly for engineering vehicle Download PDFInfo
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- CN102829103A CN102829103A CN2011101757176A CN201110175717A CN102829103A CN 102829103 A CN102829103 A CN 102829103A CN 2011101757176 A CN2011101757176 A CN 2011101757176A CN 201110175717 A CN201110175717 A CN 201110175717A CN 102829103 A CN102829103 A CN 102829103A
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- hoof
- pin
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Abstract
The invention discloses a left brake assembly for an engineering vehicle, and relates to the field of brakes on left sides of engineering vehicles. Inner leading-shoe reinforcing ribs (99), outer leading-shoe reinforcing ribs (97), outer lateral leading-shoe auxiliary reinforcing ribs (96) and middle leading-shoe auxiliary reinforcing ribs are arranged on a leading shoe (2); inner trailing-shoe reinforcing ribs (34), outer trailing-shoe reinforcing ribs (35), outer lateral trailing-shoe auxiliary reinforcing ribs (36) and middle trailing-shoe auxiliary reinforcing ribs (33) are arranged in a trailing shoe (3); an asymmetric cam of a camshaft (1) is mounted between a trailing-shoe roller (39) and a leading-shoe roller (77); and a return spring (4) is hooked on a leading-shoe spring hanging pin (80) and a trailing-shoe spring hanging pin (66), and an outer lateral double-return spring (5) and inner lateral double-return springs (6) are hooked on a leading-shoe double-return spring pin sleeve (90) and a trailing-shoe double-return spring pin sleeve (63). The left brake assembly for the engineering vehicle is provided with the multiple reinforcing ribs and accordingly is high in strength, the camshaft with the asymmetric structure is high in thrust, and the multiple return springs are high in return torque.
Description
Technical field
Engineering truck of the present invention relates to the break field that is assembled into by each component that is installed on the engineering truck left side with left brake assembly.
Background technique
Engineering truck then lead hoof, slow from hoof return speed, and return spring was yielding with only using a return spring on the left brake assembly in the past; Leading hoof and from hoof, be not designed with stiffening rib in the past, and then making neck hoof and yielding from hoof, braking effect is poor; Equated corresponding to the neck hoof with from hoof cam convex surface area on the camshaft in the past; Also equate corresponding to the neck hoof with from hoof cam concave surface is long-pending; The cam of this symplex structure has reduced neck hoof Braking efficiency, for overcoming above-mentioned all shortcomings; Should make the design of the improvement property of outstanding essence with the return spring of left break, neck hoof with from the structure of hoof and the cam structure of camshaft to engineering truck, so that improve intensity and the Braking efficiency of engineering truck with left brake assembly.
Summary of the invention
The purpose of this invention is to provide a kind of engineering truck and use left brake assembly, at the neck hoof be added with interior stiffening rib, outer stiffening rib, the auxiliary stiffening rib of the middle auxiliary stiffening rib and the outside from the inwall of hoof respectively, strengthen the neck hoof and from the purpose of hoof intensity to reach; At the neck hoof with from hook between hoof return spring, the two return springs in the outside, inboard pair return springs are housed, to reach increase neck hoof and, to make the neck hoof and get back to the preceding original position of braking rapidly from hoof from closing force between the hoof; To the cam design of camshaft have the corresponding cam convex surface area of neck hoof greater than from the corresponding cam concave surface area of the corresponding cam convex surface area of hoof, neck hoof less than dissymmetrical structure, to reach the purpose that strengthens neck hoof Braking efficiency from the corresponding cam concave surface area of hoof.
Engineering truck is used left brake assembly; It is by camshaft, neck hoof, from the two return springs of hoof, return spring, the outside, inboard two return springs, lining, brake backing plate, left air chamber support, left side adjustment arm, neck hoof roller pin, from hoof roller pin, neck hoof roller, from hoof roller, neck hoof hoof pin, form from hoof hoof pin, check plate and dust-proof cover; Auxiliary stiffening rib in the middle of stiffening rib in the neck hoof, the outer stiffening rib of neck hoof, the auxiliary stiffening rib in the neck hoof outside and the neck hoof is arranged in neck hoof inwall, stiffening rib is arranged in the hoof inwall in the hoof, from hoof outside stiffening rib, from the hoof outside auxiliary stiffening rib and from the middle stiffening rib of assisting of hoof; Be installed in the hoof roller from the hoof roller pin be installed on from the outside of hoof from the hoof roller pin hole with inboard from the hoof roller pin hole, be installed in outside neck hoof roller pin hole that neck hoof roller pin in the neck hoof roller is installed on the neck hoof and the inboard neck hoof roller pin hole; Be installed on right inside and outside inboard from hoof hoof pin mounting hole with brake backing plate from hoof hoof pin mounting hole from hoof hoof pin from hoof hoof pin mounting hole, a left side from hoof hoof pin mount; Neck hoof hoof pin is installed in the neck hoof hoof pin mounting hole of leading hoof hoof pin mount and lead in the hoof hoof pin mounting hole outside, the right side neck hoof hoof pin mounting hole of brake backing plate, left inboard, and check plate is installed in from hoof hoof pin draw-in groove and neck hoof hoof pin draw-in groove through locking pad, fastening check plate bolt; The cam of camshaft is installed in between hoof roller and the neck hoof roller; The optical axis of camshaft is installed in brake backing plate camshaft mounting hole and the left air chamber support camshaft mounting hole; The camshaft spline is installed in the inner splined hole of left side adjustment arm, and jump ring is installed in the camshaft draw-in groove; The right carbine of the return spring left spring hook of return spring and return spring hook respectively is contained in the neck hoof and hangs the neck hoof of spring pin and hang in the spring pin draw-in groove and from hoof and hang hanging in the spring pin draw-in groove from hoof of spring pin, and the two ends of the two return springs in the outside and the two ends of inboard two return springs hook respectively are contained in the two return spring pin sleeves of neck hoof and from the two return spring pin sleeves of hoof.
In order to strengthen leading hoof and from the intensity of hoof; Be connected with the middle stiffening rib of assisting of neck hoof in the neck hoof that the circular arc that on neck hoof inwall, connects is parallel to each other outside stiffening rib and the neck hoof inside and outside the neck hoof between the stiffening rib between two stiffening ribs in the groove, the stiffening rib outside is connected with the auxiliary stiffening rib in the neck hoof outside respectively with leading outside the stiffening rib outside the hoof in the neck hoof.
Be connected with auxiliary stiffening rib in the middle of the hoof in the two stiffening rib grooves inside and outside the hoof between the stiffening rib at stiffening rib in the hoof that the circular arc that connects from the hoof inwall is parallel to each other with outside hoof, the outside of stiffening rib in hoof and from hoof outside the stiffening rib outside be connected with respectively from the hoof outside and assist stiffening rib.
Be connected with cam and camshaft spline respectively at the optical axis two ends of camshaft; Cam is a non-symmetry structure; Lead the corresponding cam convex surface area size of hoof from the corresponding cam convex surface area of hoof, the cam concave surface area of neck hoof correspondence is less than the cam concave surface area from the hoof correspondence.In the camshaft jump ring groove of camshaft spline outer end, be installed with jump ring; The brake backing plate cam mounting hole of brake backing plate is interior, the left air chamber support camshaft mounting hole of left air chamber support is interior and a left side transfers the interior camshaft of left side adjustment arm inner splined hole of arm to make axial float in case be installed on; Be installed in separate alternate of cam that lining on the optical axis makes camshaft with brake backing plate; The adjustment pad is installed between left air chamber support and the left side adjustment arm, adjusts left air chamber support and adjustment arm gap between the two, a left side.
Neck hoof hoof pin is installed in the neck hoof hoof pin mounting hole of neck hoof hoof pin mount, in the right outside neck hoof hoof pin mounting hole of brake backing plate and in the inboard neck hoof hoof pin mounting hole of a left side, from hoof hoof pin be installed in from hoof hoof pin mount in hoof hoof pin mounting hole, the right outside of brake backing plate in hoof hoof pin mounting hole and a left side inboard from hoof hoof pin mounting hole.
The neck hoof hoof pin draw-in groove neutralization that the check plate two ends are snap-fit at neck hoof hoof pin respectively from hoof hoof pin from hoof hoof pin draw-in groove; Fastening check plate screw is installed in the locking spacer bolt hole of locking pad, in the check plate bolt hole of check plate and in the check plate tapped hole of brake backing plate, so that fixing neck hoof hoof pin and from hoof hoof pin.
Return spring is made up of return spring left side spring coil, the right spring coil of return spring of return spring intermediate draw bar and its left and right sides; Be connected with return spring left spring hook in spring coil outer end, a return spring left side; Be connected with the right carbine of return spring in the right spring coil of return spring outer end; Return spring left spring hook hook is contained in the neck hoof and hangs in the neck hoof extension spring pin draw-in groove of spring pin; The right carbine hook of return spring is contained in from hoof and hangs hanging the spring pin draw-in groove from hoof of spring pin, and the neck hoof that neck hoof extension spring pin is installed on the neck hoof is hung in the spring pin-and-hole, hangs the spring pin from hoof and is installed on hanging the spring pin-and-hole from hoof from hoof; Have from hoof extension spring pin-and-hole, from the two return spring pin-and-holes of hoof with from the auxiliary erection opening of hoof at stiffening rib outside hoof, outside the neck hoof, have neck hoof extension spring pin-and-hole, the two return spring pin-and-holes of neck hoof and the auxiliary erection opening of neck hoof on the stiffening rib.
The two return springs in the outside are made up of two return spring left side spring coils in the outside and the outside right spring coil of two return springs that two return spring intermediate draw bars in the outside and both sides thereof link to each other; The two return spring left spring hook hooks in the outside that link to each other outward with two return springs left side, outside spring coil are contained on the two return spring pin sleeves of neck hoof, are contained in from the two return spring pin sleeves of hoof with the outside right carbine hook of two return springs that the outside right spring coil of two return springs links to each other outward.Inboard two return spring is identical with the two return spring structures in the outside, and installation method is identical.
The two return spring pins of neck hoof that install in the two return spring pin sleeve pin-and-holes of neck hoof of the two return spring pin sleeves of neck hoof on the neck hoof are installed in the two return spring pin-and-holes of neck hoof of neck hoof; The two return spring pins from hoof that install in two return spring pin sleeve pin-and-holes from hoof from the two return spring pin sleeves of hoof from hoof are installed on from hoof two return spring pin-and-holes.
The neck hoof roller pin that on the neck hoof, installs is installed in outside neck hoof roller pin hole and the inboard neck hoof roller pin hole; Neck hoof roller pin is installed in the neck hoof roller pin hole of neck hoof roller; Neck hoof roller pin snap ring is installed on neck hoof roller pin draw-in groove; To prevent to lead hoof roller pin axial float, neck hoof roller is arranged in neck hoof roller mounting slot.
Be installed on the outside from hoof roller pin hole and inboard from the hoof roller pin hole what install from the hoof roller pin from hoof; From the hoof roller pin be installed on from the hoof roller from the hoof roller pin hole; Rolling the pin snap ring from hoof is installed on from hoof roller pin draw-in groove; Be arranged in from the hoof roller mounting slot from the hoof roller from hoof roller pin axial float preventing.
In the vehicle bridge bolt mounting holes of brake backing plate, be coated with the vehicle bridge bolt, brake backing plate is fixed on the vehicle bridge.
Dust-proof cover at brake backing plate is installed in the dust-proof cover tapped hole of tapped hole and dust-proof cover, is coated with the dust-proof cover bolt, and dust-proof cover is installed on the brake backing plate, and dust-proof cover can prevent dust to engineering truck left side brake inside.
In the dust-proof cover plugging hole of dust-proof cover, obstruction is installed, enters in the break of an engineering truck left side by the dust-proof cover plugging hole, can also inwardly observe the neck shoe friction plate and from the abrasion condition of shoe friction plate from the dust-proof cover plugging hole with dust protection.
Riveted joint has rivet in the neck hoof rivet hole of neck hoof and in the neck shoe friction plate rivet hole of neck shoe friction plate, and the neck shoe friction plate is riveted on the neck hoof.
The riveted joint from the shoe friction plate rivet hole from the neutralization of hoof rivet hole from shoe friction plate from hoof has rivet, makes from shoe friction plate to be riveted on from hoof.
Engineering truck of the present invention is the neck hoof with left brake assembly advantage and from hoof, the many places stiffening rib is arranged respectively that intensity is high; The cam of camshaft is a non-symmetry structure, and the camshaft convex surface of neck hoof correspondence is greater than the camshaft convex surface from the hoof correspondence, and the neck hoof roller that the cam of camshaft promotes is bigger than the Driving force from the hoof roller, then makes engineering truck strong with left brake braking force; Adopted return spring, the two return springs in the outside and inboard two return spring, when then spring shrank, the aligning torque that provides was big, can get back to original position rapidly from the neck hoof with from hoof.
Description of drawings
Fig. 1: engineering truck is with left brake assembly schematic three dimensional views.
Fig. 2: the three-dimensional exploded perspective view that camshaft 1 axially installs on brake backing plate 13, left air chamber support 15 and left side adjustment arm 18.
Fig. 3: at neck hoof 2 and the brake backing plate of installing from hoof 3 13, neck hoof roller pin 76, neck hoof roller 77, from hoof roller pin 37, from hoof roller 39 and neck hoof hoof pin 79, from hoof hoof pin 46, check plate 48 three-dimensional exploded perspective views.
Fig. 4; The two return springs 5 of return spring 4, the outside and inboard two return springs 6 are installed in neck hoof 2 and from the three-dimensional exploded perspective view of hoof 3.
Fig. 5: neck shoe friction plate 72, be installed in neck hoof 2 and the three-dimensional exploded perspective view from the hoof 3 from shoe friction plate 73 and dust-proof cover 69.
Embodiment
Referring to each accompanying drawing; Engineering truck is used left brake assembly; It is by camshaft 1, neck hoof 2, from the two return springs 5 of hoof 3, return spring 4, the outside, inboard two return springs 6, lining 12, brake backing plate 13, left air chamber support 15, left side adjustment arm 18, neck hoof roller pin 76, from hoof roller pin 37, neck hoof roller 77, from hoof roller 39, neck hoof hoof pin 79, form from hoof hoof pin 46, check plate 48 and dust-proof cover 69; Auxiliary stiffening rib in the middle of stiffening rib 99 in the neck hoof, the outer stiffening rib 97 of neck hoof, the auxiliary stiffening rib 96 in the neck hoof outside and the neck hoof is arranged in neck hoof 2 inwalls, stiffening rib 34 is arranged in hoof 3 inwalls in the hoof, from hoof outside stiffening rib 35, from the hoof outside auxiliary stiffening rib 36 and from the middle stiffening rib 33 of assisting of hoof; Be installed in hoof roller 39 from hoof roller pin 37 be installed on from the outside of hoof 3 from hoof roller pin hole 27 with inboard from hoof roller pin hole 25, be installed in outside neck hoof roller pin hole 88 that neck hoof roller pins 76 in the neck hoof roller 77 are installed on neck hoof 2 and the inboard neck hoof roller pin hole; Be installed on inboard from hoof hoof pin mounting hole 42 with the right inner side of brake backing plate 13 from hoof hoof pin mounting hole 32 from hoof hoof pin mount 31 from hoof hoof pin 46 from hoof hoof pin mounting hole 45, a left side; Neck hoof hoof pin 79 is installed in the neck hoof hoof pin mounting hole 82 of leading hoof hoof pin mount 78 and lead in the hoof hoof pin mounting hole 86 outside, the right side neck hoof hoof pin mounting hole 87 of brake backing plate 13, left inboard, and check plate 48 is installed in from hoof hoof pin draw-in groove 47 and neck hoof hoof pin draw-in groove through locking pad 50, fastening check plate bolt 52; The cam of camshaft 1 is installed in between hoof roller 39 and the neck hoof roller 77; The optical axis 9 of camshaft 1 is installed in brake backing plate camshaft mounting hole 14 and the left air chamber support camshaft mounting hole 16; Camshaft spline 10 is installed in the inner splined hole 19 of left side adjustment arm 18, and jump ring 21 is installed in the camshaft draw-in groove 11; The return spring left spring hook 53 of return spring 4 and the right carbine 57 of return spring hook respectively are contained in the neck hoof and hang the neck hoof of spring pin 80 and hang in the spring pin draw-in groove 93 and from hoof and hang hanging in the spring pin draw-in groove 92 from hoof of spring pin 66, and the two ends of the two return springs 5 in the outside and the two ends of inboard two return springs 6 hook respectively are contained in the two return spring pin sleeves 90 of neck hoof and from the two return spring pin sleeves 63 of hoof.
Referring to Fig. 4; Be connected with auxiliary stiffening rib in the middle of the neck hoof inside and outside the neck hoof in the neck hoof that the circular arc that on neck hoof 2 inwalls, connects is parallel to each other between stiffening rib 99 and the outer stiffening rib 97 of neck hoof between two stiffening ribs in the groove 98, stiffening rib 96 is assisted outside being connected with the neck hoof respectively with outer stiffening rib 97 outsides of neck hoof in stiffening rib 99 outsides in the neck hoof.
Referring to Fig. 1, Fig. 3 and Fig. 4; Be connected with auxiliary stiffening rib 33 in the middle of the hoof in the two stiffening rib grooves 67 inside and outside the hoof between the stiffening rib 35 at stiffening rib 34 in the hoof that the circular arc that connects from hoof 3 inwalls is parallel to each other with outside hoof, stiffening rib 34 outsides in hoof and from hoof outside stiffening rib 35 outsides be connected with respectively from the hoof outside and assist stiffening rib 36.
Referring to Fig. 2; Optical axis 9 two ends at camshaft 1 are connected with cam and camshaft spline 10 respectively; Cam is a non-symmetry structure, leads corresponding cam convex surface 7 areas of hoof greater than from the corresponding cam convex surface area of hoof, leads corresponding cam concave surface 8 areas of hoof less than the cam concave surface area from the hoof correspondence.
In camshaft spline 10 outer end camshaft jump ring grooves 11, be installed with jump ring 21; The optical axis 9 of camshaft 1 is installed in the brake backing plate cam mounting hole 14 of brake backing plate 13 in the left air chamber support camshaft mounting hole 16 with left air chamber support 15; The camshaft spline 10 of camshaft 1 is installed in the left side adjustment arm inner splined hole 19 of left side adjustment arm 18, and the lining 12 that is installed on the optical axis 9 of camshaft 1 is installed between the cam and brake backing plate 13 of camshaft 1; Adjustment pad 20 is installed on the camshaft 1 between left air chamber support 15 and the left side adjustment arm 18.
Referring to Fig. 3; Neck hoof hoof pin 79 is installed in the neck hoof hoof pin mounting hole 82 of neck hoof hoof pin mount 78, in the right outside neck hoof hoof pin mounting hole 87 of brake backing plate 13 and in a left side inboard neck hoof hoof pin mounting holes 86, from hoof hoof pin 46 be installed in from hoof hoof pin mount 31 in hoof hoof pin mounting hole 32, the right outside of brake backing plate 13 in hoof hoof pin mounting hole 45 and a left side inboard from hoof hoof pin mounting hole 42.
As shown in Figure 3; The neck hoof hoof pin draw-in groove neutralization that check plate 48 two ends are snap-fit at neck hoof hoof pin 79 respectively from hoof hoof pin 46 from hoof hoof pin draw-in groove 47; Fastening check plate bolt 52 is installed in the locking pad hole 51 of locking pad 50, in the check plate bolt hole 49 of check plate 48 and in the check plate bolt thread hole 44 of brake backing plate 13, locking pad 50 is installed on the check plate 48.
Referring to Fig. 4; In the return spring left side spring coil 54 that return spring 4 is installed on respectively by return spring intermediate draw bar 55 and its right ends and the right spring coil 56 of return spring; Spring coil 54 outer ends, a return spring left side are connected with return spring left spring hook 53, and the right spring coil of return spring 56 outer ends are connected with the right carbine 57 of return spring.
Return spring left spring hook 53 hooks are contained in the neck hoof and hang in the neck hoof extension spring pin draw-in groove 93 of spring pin 80, and right carbine 57 hooks of return spring are contained in from hoof and hang hanging the spring pin draw-in groove 92 from hoof of spring pin 66.
The neck hoof of neck on the hoof 2 hung the neck hoof that spring pin 80 is installed on the neck hoof 2 and hung in the spring pin-and-hole 94, hanging spring pin 66 from hoof and be installed on hanging the spring pin-and-hole 28 from hoof from hoof 3 from hoof 3.
Outside the neck hoof of neck hoof 2, have on the stiffening rib 97 from hoof and hang spring pin-and-hole 94, lead the two return spring pin-and-holes 95 of hoof and assist erection opening from hoof; Have from hoof extension spring pin-and-hole 28, from the two return spring pin-and-holes 29 of hoof with from the auxiliary erection opening 30 of hoof at outer stiffening rib 35 from hoof 3.
Referring to Fig. 4; Two return spring intermediate draw bar 60 right ends in the outside of the two return springs 5 in the outside are connected with the outside right spring coil 61 of two return springs with two return springs left side, outside spring coil 59 respectively; Two return spring left spring hook 58 hooks in the outside that link to each other with spring coil 59 outer ends, two return springs left side, the outside are contained on the two return spring pin sleeves 90 of neck hoof of neck hoof 2, and the outside right carbine 62 hooks of two return springs that link to each other with the right spring coil of two return springs 61 outer ends, the outside are contained in from the two return spring pin sleeves 63 of hoof.
Inboard two return spring 6 is identical with two return spring 5 both structures in the outside, and installation method is identical.
The two return spring pins 81 of neck hoof that install in the two return spring pin sleeve pin-and-holes 91 of neck hoof of the two return spring pin sleeves 90 of neck hoof on neck hoof 2 are installed in the two return spring pin-and-holes 95 of neck hoof of neck hoof 2; The two return spring pins 65 from hoof that install in two return spring pin sleeve pin-and-holes 64 from hoof from the two return spring pin sleeves 63 of hoof from hoof 3 are installed on from hoof two return spring pin-and-holes 29.
Referring to Fig. 3, the neck hoof roller pin 76 on neck hoof 2 is installed in the neck hoof roller pin hole 84 of neck hoof roller 77, in the neck hoof roller pin draw-in groove 89 of neck hoof roller pin 76, is installed with neck hoof roller pin snap ring 85; From hoof 3 from hoof roller pin 37 be installed on from hoof roller 39 from hoof roller pin hole 40, from hoof roller pin draw-in groove 38, being installed with from hoof roller pin 37 from hoof roller pin snap ring 41.Be installed in from hoof roller mounting slot 26 from hoof roller 39.
Referring to Fig. 2 and Fig. 3, in the vehicle bridge bolt mounting holes 22 of brake backing plate 13, be coated with the vehicle bridge bolt, brake backing plate 13 is fixed on the vehicle bridge.
Referring to Fig. 2 and Fig. 5, install in the dust-proof cover tapped hole 71 of tapped hole 23 and dust-proof cover 69 at the dust-proof cover of brake backing plate 13, be coated with the dust-proof cover bolt, dust-proof cover 69 is installed on the brake backing plate 13.
Referring to Fig. 5, in the dust-proof cover plugging hole 70 of dust-proof cover 69, be equipped with and stop up 68.
Referring to Fig. 3 and Fig. 5, riveting in the neck hoof rivet hole 24 on neck hoof 2 and in the neck shoe friction plate rivet hole 74 of neck shoe friction plate 72 has rivet, and neck shoe friction plate 72 is riveted on the neck hoof 2; The riveted joint from shoe friction plate rivet hole 75 from the neutralization of hoof rivet hole from shoe friction plate 73 from hoof 3 has rivet, makes from shoe friction plate 73 to be riveted on from hoof 3.
Neck hoof hoof pin mount 78 is installed and from hoof hoof pin mount 31 in the hoof key seat groove 43 of brake backing plate 13.
Claims (11)
1. engineering truck is used left brake assembly; It is by camshaft (1), neck hoof (2), from the two return springs (5) of hoof (3), return spring (4), the outside, inboard two return springs (6), lining (12), brake backing plate (13), left air chamber support (15), left side adjustment arm (18), neck hoof roller pin (76), from hoof roller pin (37), neck hoof roller (77), from hoof roller (39), neck hoof hoof pin (79), form from hoof hoof pin (46), check plate (48) and dust-proof cover (69); It is characterized in that stiffening rib (99) in the neck hoof is arranged in neck hoof (2) inwall, auxiliary stiffening rib in the middle of the outer stiffening rib (97) of neck hoof, the auxiliary stiffening rib (96) in the neck hoof outside and the neck hoof, stiffening rib (34) is arranged in hoof (3) inwall in the hoof, from hoof outside stiffening rib (35), assist stiffening rib (36) outside the hoof and from the middle stiffening rib (33) of assisting of hoof; Be installed in the hoof roller (39) from hoof roller pin (37) be installed on from the outside of hoof (3) from hoof roller pin hole (27) with inboard from hoof roller pin hole (25), be installed on the outside neck hoof roller pin hole (88) that neck hoof roller pin (76) in the neck hoof roller (77) is installed on neck hoof (2) and lead in the hoof roller pin hole with the inboard; From hoof hoof pin (46) be installed on from hoof hoof pin mount (31) from hoof hoof pin mounting hole (32) and the right inner side of brake backing plate (13) inboard from hoof hoof pin mounting hole (42) from hoof hoof pin mounting hole (45), a left side; Neck hoof hoof pin (79) is installed in the neck hoof hoof pin mounting hole (82) of leading hoof hoof pin mount (78) and lead in hoof hoof pin mounting hole (87), the left side inboard neck hoof hoof pin mounting hole (86) in the right outside of brake backing plate (13), and check plate (48) is installed in from hoof hoof pin draw-in groove (47) and neck hoof hoof pin draw-in groove through locking pad (50), fastening check plate bolt (52); The cam of camshaft (1) is installed in between hoof roller (39) and the neck hoof roller (77); The optical axis (9) of camshaft (1) is installed in brake backing plate camshaft mounting hole (14) and the left air chamber support camshaft mounting hole (16); Camshaft spline (10) is installed in the inner splined hole (19) of left side adjustment arm (18), and jump ring (21) is installed in the camshaft draw-in groove (11); The right carbine of the return spring left spring hook (53) of return spring (4) and return spring (57) hook respectively is contained in the neck hoof and hangs the neck hoof of spring pin (80) and hang in the spring pin draw-in groove (93) and from hoof and hang hanging in the spring pin draw-in groove (92) from hoof of spring pin (66), and the two ends of the two return springs (5) in the outside and the two ends of inboard two return springs (6) hook respectively are contained in the two return spring pin sleeves (90) of neck hoof and from the two return spring pin sleeves (63) of hoof.
2. engineering truck according to claim 1 is used left brake assembly; Be connected with auxiliary stiffening rib in the middle of the neck hoof in the inside and outside two stiffening rib grooves (98) of neck hoof in the neck hoof that the circular arc that it is characterized in that on neck hoof (2) inwall, connecting is parallel to each other between stiffening rib (99) and the outer stiffening rib (97) of neck hoof, in the neck hoof, be connected with respectively outside stiffening rib (99) outside and the outer stiffening rib (97) of neck hoof and assist stiffening rib (96) outside leading hoof.
3. engineering truck according to claim 1 is used left brake assembly; It is characterized in that being connected with in the groove (67) between two stiffening ribs inside and outside the hoof between the stiffening rib (35) auxiliary stiffening rib (33) in the middle of the hoof at stiffening rib (34) in the hoof that the circular arc that connects from hoof (3) inwall is parallel to each other with outside hoof, the outside of stiffening rib (34) in hoof and from hoof outside stiffening rib (35) outside be connected with respectively from the hoof outside and assist stiffening rib (36).
4. engineering truck according to claim 1 is used left brake assembly; It is characterized in that being connected with cam and camshaft spline (10) respectively at optical axis (9) two ends of camshaft (1); Cam is a non-symmetry structure; Lead corresponding cam convex surface (7) area of hoof greater than from the corresponding cam convex surface area of hoof, lead corresponding cam concave surface (8) area of hoof less than cam concave surface area from the hoof correspondence.
5. engineering truck according to claim 1 is used left brake assembly, it is characterized in that in the camshaft jump ring groove (11) of camshaft spline (10) outer end, being installed with jump ring (21); Be installed at the lining (12) on the optical axis that is installed in camshaft (1) (9) between the cam and brake backing plate (13) of camshaft (1), adjustment pad (20) is installed on the camshaft (1) between left air chamber support (15) and the left side adjustment arm (18).
6. engineering truck according to claim 1 is used left brake assembly, it is characterized in that in the check plate bolt hole (49) of check plate (48), is coated with fastening check plate bolt (52) in the check plate bolt thread hole (44) of brake backing plate (13) with in the locking pad hole (51) of locking pad (50).
7. engineering truck according to claim 1 is used left brake assembly; Return spring intermediate draw bar (55) right ends that it is characterized in that return spring (4) is installed on respectively in return spring left side spring coil (54) and the right spring coil of return spring (56); Return spring left spring hook (53) hook that spring coil (54) outer end, a return spring left side is connected with is contained in the neck hoof and hangs in the neck hoof extension spring pin draw-in groove (93) of spring pin (80), and right carbine (57) hook of return spring that the right spring coil (56) of return spring outer end is connected with is contained in from hoof hangs hanging the spring pin draw-in groove (92) from hoof of spring pin (66).
8. engineering truck according to claim 1 is used left brake assembly; It is characterized in that leading neck hoof on the hoof (2) to hang the neck hoof that spring pin (80) is installed on the neck hoof (2) and hang in the spring pin-and-hole (94), hanging spring pin (66) from hoof and be installed on hanging the spring pin-and-hole (28) from hoof (3) from hoof (3) from hoof.
9. engineering truck according to claim 1 is used left brake assembly; Two return spring intermediate draw bar (60) right ends in the outside that it is characterized in that the two return springs (5) in the outside are connected with the two right spring coils of return spring in the outside (61) with the two return spring left side spring coils in the outside (59) respectively; Two return spring left spring hook (58) hooks in the outside that link to each other with spring coil (59) outer end, two return springs left side, the outside are contained on the two return spring pin sleeves (90) of neck hoof of neck hoof (2), and the outside right carbine (62) hook of two return springs that links to each other with the right spring coil (61) of two return springs outer end, the outside is contained in from the two return spring pin sleeves (63) of hoof.
10. engineering truck according to claim 1 is used left brake assembly, it is characterized in that inboard two return spring (6) is identical with two both structures of return spring (5) in the outside, and installation method is identical.
11. engineering truck according to claim 1 is used left brake assembly; It is characterized in that installing in the tapped hole (23) and in the dust-proof cover tapped hole (71) of dust-proof cover (69), dust-proof cover (69) being installed on the brake backing plate (13) through the bolt that is coated with at the dust-proof cover of brake backing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110175717.6A CN102829103B (en) | 2011-06-17 | 2011-06-17 | Left brake assembly for engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110175717.6A CN102829103B (en) | 2011-06-17 | 2011-06-17 | Left brake assembly for engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102829103A true CN102829103A (en) | 2012-12-19 |
| CN102829103B CN102829103B (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110175717.6A Active CN102829103B (en) | 2011-06-17 | 2011-06-17 | Left brake assembly for engineering vehicle |
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| Country | Link |
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| CN (1) | CN102829103B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047320A (en) * | 2012-12-20 | 2013-04-17 | 青特集团有限公司 | Bearing bridge leading-trailing type brake |
| CN103148128A (en) * | 2013-03-21 | 2013-06-12 | 江苏汤臣汽车零部件有限公司 | Light brake backing plate and manufacturing process thereof |
| CN103821854A (en) * | 2013-12-18 | 2014-05-28 | 青特集团有限公司 | Novel camshaft structure |
| CN104455107A (en) * | 2013-09-24 | 2015-03-25 | 中国重汽集团济南动力有限公司 | Novel drum brake |
| CN109877705A (en) * | 2019-04-04 | 2019-06-14 | 吉安职业技术学院 | Conjugate cam error-compensating apparatus based on follow grinding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047320A (en) * | 2012-12-20 | 2013-04-17 | 青特集团有限公司 | Bearing bridge leading-trailing type brake |
| CN103148128A (en) * | 2013-03-21 | 2013-06-12 | 江苏汤臣汽车零部件有限公司 | Light brake backing plate and manufacturing process thereof |
| CN103148128B (en) * | 2013-03-21 | 2016-04-06 | 江苏汤臣汽车零部件有限公司 | Lightweight brake backing plate and manufacturing process thereof |
| CN104455107A (en) * | 2013-09-24 | 2015-03-25 | 中国重汽集团济南动力有限公司 | Novel drum brake |
| CN103821854A (en) * | 2013-12-18 | 2014-05-28 | 青特集团有限公司 | Novel camshaft structure |
| CN109877705A (en) * | 2019-04-04 | 2019-06-14 | 吉安职业技术学院 | Conjugate cam error-compensating apparatus based on follow grinding |
| CN109877705B (en) * | 2019-04-04 | 2024-01-02 | 吉安职业技术学院 | Conjugate cam error compensation device based on follow-up grinding |
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|---|---|
| CN102829103B (en) | 2015-01-14 |
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Owner name: TAIZHOU SHENZHOU TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TAIZHOU SHENLI VEHICLE AXLE CO., LTD. Effective date: 20121126 |
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Effective date of registration: 20121126 Address after: 225315 No. 9 Fenghuang West Road, Taizhou Economic Development Zone, Jiangsu, Taizhou Applicant after: TAIZHOU SHENZHOU TRANSMISSION TECHNOLOGY CO., LTD. Address before: 225315 No. 9 Fenghuang West Road, Taizhou Economic Development Zone, Jiangsu, Taizhou Applicant before: Taizhou Shenli Axle Co.,Ltd. |
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