CN206691258U - A kind of punch welding structure camshaft and air chamber support assembly - Google Patents

Abstract

The utility model discloses a kind of punch welding structure camshaft and air chamber support assembly, it is characterized in, by support central siphon（1）, brake holder connecting plate（2）, air chamber support（3）, air chamber support boss（4）, air chamber support gusset（5）, central siphon oil sealing（6）, cam shaft bush（7）And grease nipple（8）Composition, wherein air chamber support boss（4）, air chamber support gusset（5）, central siphon oil sealing（6）And cam shaft bush（7）Quantity be 2；It is serious for current domestic air pollution, country is dirty to limit, pollution treatment dynamics continues to increase, more casting factories are by the overall situation background being even switched off of limiting the production, the punch welding structure camshaft and air chamber support assembly, former cast structure support can be directly substituted to use, not only meet the current heavy truck vehicle bridge production needs that supply falls short of demand, and more former cast structure support is compared, also accomplish more than loss of weight 1Kg, just meeting from the heavy truck industry lightweight growth requirement after new national standard GB1589 releases in 2016, realizing cost declining.

Description

A kind of punch welding structure camshaft and air chamber support assembly

Technical field：

Automotive axle technical field is the utility model is related to, specifically a kind of punch welding structure camshaft and air chamber Bracket assembly.

Background technology：

Since in October, 2016, as new national standard GB1589 release, and country limit super dynamics to heavy truck automobile Increasing, heavy truck industry experienced the change at field depth quarter, and the lightweight of heavy truck parts turns into industry development main trend, together When, the market demand is also have stimulated, main zero of the growth of " blowout ", vehicle bridge etc. occur in heavy truck vehicle and its related components It is equally resource scarcity that the situation that supply falls short of demand, vehicle bridge parts such as brake etc., which occurs, in part, causes vehicle bridge enterprise daily Production reach the standard grade assembling it is simply hard to carry on.Meanwhile in recent years because air pollution is serious, haze is continuous, some environmental protection do not reach Target casting factory is limited the production or closed the door and stopped doing business, so, axle assembly production needed for a variety of cast members all significantly the underproduction without Method purchases arrival on schedule, and this directly threatens production line and stops line.

As a kind of important spare part needed for vehicle bridge assembling, camshaft and air chamber support assembly are applied not only to camshaft Assembling is fixed, and is additionally operable to the assembling of brake chamber.Traditional support is Ductile Iron Casting structure, and corresponding peace is processed after casting Hole is filled, reassembling bushing and oil sealing afterwards turns into an assembly component.Stopped doing business with the shutdown of Foundry Works, the part occurs quickly Cliff of displacement formula it is in short supply, Duo Jia vehicle bridge enterprise faces hard case that no part can fill, then need badly and develop a kind of branch of new construction Frame is used with the old support of replacement.In addition, indivedual producers' trials existing before design and develop this and rush welding structure camshaft and air chamber branch Frame assembly, but can not effectively solve the product function of the part（Camshaft, installation air chamber, installation control arm are installed）With production The problem of technique can not be taken into account, it is to rush weldment that some, which still makes air chamber support cast member only shaft tube part, some additional designs Increase control arm installing plate, in a word, this is rushed into weldering formula support and is made to heavy too fat to move, its weight has exceeded former cast type support.

Utility model content

The purpose of this utility model is to overcome the shortcomings of above-mentioned prior art, and provides a kind of punch welding structure camshaft And air chamber support assembly, mainly solve the problems, such as existing cast member resource scarcity, there is provided a kind of new construction, the product of new technology.

The technical solution of the utility model is：A kind of punch welding structure camshaft and air chamber support assembly, its it is special it Be in, by support central siphon, brake holder connecting plate, air chamber support, air chamber support boss, air chamber support gusset, central siphon oil sealing, Cam shaft bush and grease nipple composition；The wherein number of air chamber support boss, air chamber support gusset, central siphon oil sealing and cam shaft bush Amount is 2；The internal diameter of described brake holder connecting plate is identical with the external diameter of support central siphon, and the two is fixed together, Brake holder connecting plate is provided with bolt hole；Described air chamber support is made up of 2 vertical planes of doubling, wherein on 1 face Provided with the external diameter size identical circular hole with support central siphon, it is fixed together by circular hole and support central siphon, 2 is additionally provided with the face Individual size identical aperture；2 air chamber support boss are fixed with another face of air chamber support, it is common respectively after being fixedly connected Provided with 1 through hole, the face is provided with a big hole；2 air chamber support gussets are fixed with 2 face fold positions of air chamber support； Be respectively equipped with 2 sections of circular holes at the both ends of support central siphon, the external diameter of described central siphon oil sealing and cam shaft bush respectively with this 2 sections of circles The internal diameter in hole is identical, and central siphon oil sealing and cam shaft bush are fixedly mounted at this 2 sections of circular holes；Set in the middle part of support central siphon There is 1 screwed hole, described grease nipple fixation is at this screwed hole.

Compared with the prior art a kind of punch welding structure camshaft and air chamber support assembly described in the utility model have There is following good effect：1st, using a kind of new construction, the bracket assembly of new technology, solving casting resource scarcity enough can not supply The problem of goods, solves industrial crisis；2nd, the air chamber support portion profile compact and reasonable of the bracket assembly, by installation air chamber and peace Dress two functions of control arm are taken into account wherein, and this weight for being directly realized assembly is reduced, and not only conforms with the light-weighted development of industry Trend, cost declining is also accomplished.

Brief description of the drawings：

Fig. 1 is structural representation of the present utility model；

Fig. 2 is Fig. 1 side view；

Fig. 3 is Fig. 1 sectional view.

Embodiment：

For a better understanding and implementation, providing specific embodiment below in conjunction with the accompanying drawings describes the utility model in detail；Institute It is only used for explaining the utility model for embodiment, is not intended to limit the scope of the utility model.

Embodiment 1, referring to Fig. 1,2,3, according to design requirement, support central siphon 1 is processed into steel pipe, cut with steel plate, Brake holder connecting plate 2 is processed into, with steel plate punched, is processed into air chamber support 3, then air chamber support is processed into steel plate Boss 4, air chamber support gusset 5, afterwards further according to needing to be processed into central siphon oil sealing 6, cam shaft bush 7 and grease nipple 8, wherein Air chamber support boss 4, air chamber support gusset 5, the quantity of central siphon oil sealing 6 and cam shaft bush 7 are 2；Brake holder connects The internal diameter of plate 2 is identical with the external diameter of support central siphon 1, and the two is fixedly connected by welding together, on brake holder connecting plate 2 4 bolts hole 9 are machined with, for being subsequently connected with brake holder；By being hung down mutually formed 2 by pressing and bending Straight plane composition air chamber support 3, wherein the external diameter size identical circular hole with support central siphon 1 is machined with 1 face, with support Central siphon 1 is fixed together by welding, and position appropriate on the face is also machined with 2 size identical apertures in addition, is used for The assembling of automatic adjusting arm control arm is fixed in follow-up axle assembly assembling process；In the appropriate position in another face of air chamber support 3 Put and be welded with 2 air chamber support boss 4, respectively process 1 through hole 10 after welding at each boss, plus prior on the face One big hole 11 of processing, what this just met follow-up air chamber freely assembles needs；In the steel plate punched bending of air chamber support 3 Position is welded and fixed 2 air chamber support gussets 5, for improving the bearing capacity of air chamber support 3；At the both ends of support central siphon 1 point 2 sections of circular holes are not machined with, the internal diameter phase for the external diameter of central siphon oil sealing 6 and cam shaft bush 7 being processed respectively with this 2 sections of circular holes Together, and by the two assembling it is fixed at this 2 sections of circular holes；1 screwed hole is machined with the middle part of support central siphon 1, by consistent lubricant The assembling of mouth 8 is fixed at this screwed hole.

A kind of punch welding structure camshaft and air chamber support assembly described in the utility model, during work, in braking branch By 4 bolt connections at frame connecting plate 2, by this bracket assembly assembly connection in the brake holder of brake assembly；Then Assemble camshaft, camshaft will pass through support central siphon 1, and the appropriate location of axle journal respectively with two central siphon oil sealings 6 and camshaft Bushing 7 matches；Air chamber is installed again on air chamber support 3, the primary push rod of air chamber and two connecting bolt bars are each passed through air chamber One of them of support 3 is welded with 3 holes in 2 faces of air chamber support boss 4, and completes to fix two shank of bolt positions；Then Automatic adjusting arm is assembled, automatic adjusting arm one end is sleeved on camshaft, is connected by spline, the other end and air chamber push rod Shift fork is assembled by straight pin and fixed, then two special controls by automatic adjusting arm control arm by bolt and air chamber support 3 Arm connecting hole is connected；Finally by grease nipple 8 to enough lubricating grease is filled inside support central siphon 1, because of two cam axle bushes The presence of set 7 and central siphon oil sealing 6, this has just accomplished lasting, flexible rotating of the camshaft on this camshaft stand assembly so that Each braking maneuver can smoothly complete, and meet the functional requirement of brake.

Claims (1)

1. a kind of punch welding structure camshaft and air chamber support assembly, it is characterised in that by support central siphon（1）, brake holder Connecting plate（2）, air chamber support（3）, air chamber support boss（4）, air chamber support gusset（5）, central siphon oil sealing（6）, cam shaft bush （7）And grease nipple（8）Composition；Wherein air chamber support boss（4）, air chamber support gusset（5）, central siphon oil sealing（6）With cam axle bush Set（7）Quantity be 2；Described brake holder connecting plate（2）Internal diameter and support central siphon（1）External diameter it is identical, the two It is fixed together, brake holder connecting plate（2）It is provided with bolt hole（9）；Described air chamber support（3）Hung down by 2 doublings Straight plane composition, wherein 1 face is provided with and support central siphon（1）External diameter size identical circular hole, pass through circular hole and support Central siphon（1）It is fixed together, 2 size identical apertures is additionally provided with the face；In air chamber support（3）It is fixed with another face 2 air chamber support boss（4）, 1 through hole is provided with jointly respectively after being fixedly connected（10）, the face is provided with a big hole （11）；In air chamber support（3）2 face fold positions be fixed with 2 air chamber support gussets（5）；In support central siphon（1）Both ends difference Provided with 2 sections of circular holes, described central siphon oil sealing（6）And cam shaft bush（7）External diameter it is identical with the internal diameter of this 2 sections of circular holes respectively, Central siphon oil sealing（6）And cam shaft bush（7）It is fixedly mounted at this 2 sections of circular holes；In support central siphon（1）Middle part be provided with 1 Individual screwed hole, described grease nipple（8）Fix at this screwed hole.