CN209210201U - For installing the auxiliary stand of camshaft on axle - Google Patents

Abstract

For installing the auxiliary stand of camshaft, including support component, positioning component on axle；Fixation kit includes that pedestal, two locating slots, fixed hook and actuator, axle are placed on two locating slots, and fixed hook is articulated on axle and is connected on pedestal；Positioning component include at least two Spring balancers, crossbeam, be mounted on crossbeam for hang camshaft two hanging units and two respectively with two matched telescopic units of hanging unit, each hanging unit includes two for hanging the suspension hook of camshaft, and telescopic unit is arranged between two suspension hooks, one end of telescopic unit is connected on crossbeam, the other end forms the press end for from top to bottom pressing camshaft surface.The utility model can be such that the central axis of two camshafts on axle is overlapped, it is ensured that the concentricity of two camshafts enables camshaft flexibly to rotate, and avoids wearing, and improves the service life of camshaft.

Description

For installing the auxiliary stand of camshaft on axle

Technical field

The utility model relates to axle mounting technology fields, and in particular to a kind of for installing the auxiliary of camshaft on axle Help bracket.

Background technique

It usually requires that the camshaft for transmitting brake force is installed on axle, when needing to vehicle braking, drives cam Axis rotation, utilizes camshaft pushing tow brake-shoe.Camshaft during installation, needs to penetrate camshaft into the lining being arranged on back-plate In set, however, need since camshaft own wt is larger, and when being assembled with bushing by cam axle suspension, The axis of axle journal and bushing is difficult keeping parallelism, at this point, will lead to axle journal in assembly and bushing is in two-point contact state, And nonideal face contact, the assembly that spherical bearing completes camshaft is such as tightened at this time, then causes camshaft to be unanimously maintained at this It is not flexible in assembly rotation to cause camshaft, or even can not rotate for not parallel two-point contact state, in this case, leads to The camshaft that pounds with a hammer often is needed, it is finely adjusted, camshaft could be made to meet the requirement of transmitting brake force, however, this Kind defective mounting, due to the axle journal of camshaft and the not parallel caused two-point contact state of the axis of bushing, in camshaft reality In the course of work, so that the abrasion of camshaft and bushing is unbalanced, it is more serious in the part wears to contact with each other, make for a long time Pit is formed with will lead to concentrated wear, so that the premature failure of part, has seriously affected the service life of camshaft.

Utility model content

In view of the deficiencies of the prior art, the purpose of this utility model is intended to provide a kind of for installing cam on axle The auxiliary stand of axis can be supported positioning to camshaft, it is ensured that camshaft is installed coaxial when camshaft is installed Degree, improves the service life of camshaft.

To achieve the above objectives, the present invention adopts the following technical solutions:

For installing the auxiliary stand of camshaft on axle, including the support component for dead axle and it is used for The positioning component of convex wheel shaft；

Fixation kit includes pedestal, is fixed on the base two locating slots, the fixed hook between two locating slots, And the actuator for driving fixed hook to move up and down, axle are placed on two locating slots, fixed hook is articulated on axle And it is connected on pedestal；

Positioning component include at least two Spring balancers, the crossbeam being connected at least two Spring balancer suspenders, It is mounted on two hanging units for being used to hang camshaft on crossbeam and two matched flexible with two hanging units respectively Unit, each hanging unit include two for hanging the suspension hooks of camshaft, and telescopic unit setting two suspension hooks it Between, one end of telescopic unit is connected on crossbeam, the other end forms the press end for from top to bottom pressing camshaft surface.

On crossbeam setting there are two can movable mounting base along its length, two suspension hooks on hanging unit and stretch One end of contracting unit, which is detachably secured, to be connected in mounting base.

A linear guide extended along its length is provided on crossbeam, two mounting bases are slidably mounted at the straight line On guide rail, crossbeam side is provided with the multiple location holes arranged along its length, is provided with one in mounting base and wears and connects wherein Positioning pin in one location hole.

Telescopic unit is a cylinder or oil cylinder, the cylinder or cylinder body of oil cylinder is fixed in mounting base, telescopic rod is along height side To extending downwardly.

One is fixed on the telescopic rod of cylinder or oil cylinder for pressing the briquetting on camshaft surface.

Two columns extended along short transverse are provided on pedestal, two locating slots are separately positioned on the top of two columns Portion, and the section of locating slot is V-shaped.

The guide rod extended along its length is provided on pedestal, two columns are mobilizable to be arranged on the guide bar, and The bottom of two columns is slidably matched with pedestal, and the fixing bolt for fixing the two is additionally provided between column and pedestal.

A fixing seat is provided on pedestal, actuator is the regulation handle being rotatably mounted in fixing seat, adjusts handle It is worn in a manner of being threadedly engaged in hand and is connected to a screw rod, the top of screw rod and the bottom end of fixed hook are hinged.

The inner edge of fixed hook is additionally provided with multiple pads.

The utility model has the beneficial effects that:

The utility model passes through support component respectively and positioning component respectively positions axle and camshaft, and benefit Camshaft is clamped with telescopic unit and suspension hook, is overlapped the central axis of two camshafts on axle, it is ensured that two camshafts Concentricity, and be overlapped the central axis of camshaft with the central axis of bushing, so that camshaft be made to match with bushing face It closes, so that camshaft is flexibly rotated, avoid wearing, improve the service life of camshaft.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of positioning component in Fig. 1.

Specific embodiment

In the following, being further described in conjunction with the drawings and specific embodiments to the utility model:

As shown in Figure 1, 2, it is a kind of for installing the auxiliary stand of camshaft on axle of the utility model, is used for When assembling camshaft, axle is positioned, while positioning support is carried out to camshaft, specifically, the auxiliary stand includes Support component and positioning component, wherein support component is used for dead axle 100, and positioning component is for suspending camshaft 101 and right in midair Camshaft is positioned；Fixation kit includes pedestal 10, fixed hook 40, actuator, and there are two positioning for setting on pedestal 10 Slot 21, two locating slot 21 are arranged close to the position at 10 both ends of pedestal, and fixed hook 40 is between two locating slots 21, vehicle Axis 100 is fixed by as in two locating slots 21, supporting axle 100 using two locating slots 21 and limiting the radial displacement of axle 100 Hook 40 is articulated in the middle part of axle 100, and bottom is connected on pedestal 10, in dead axle 100, first with actuator band Dynamic fixed hook 40 moves up, and axle 100 is placed in locating slot 21, then in the case where driving fixed hook 40 using actuator It moves, the top at 100 middle part of axle is set to using the pressure of fixed hook 40, axle 100 is pressed in two locating slots 21, by axle On 100 firm bankings 10.Positioning component includes that two Spring balancers 90,50, two hanging units of crossbeam and two are flexible Unit, crossbeam 50 are connected on the suspender of two Spring balancers 90, so that crossbeam 50 keeps horizontality, two hanging units It is installed on crossbeam 50, which is respectively used to two camshafts 101 on lifting axle 100, each lifting The hanging unit of camshaft 101 includes two suspension hooks 80, and two telescopic units respectively correspond two hanging units, and flexible single Member is located between two suspension hooks 80 of hanging unit, telescopic unit can be arranged between two suspension hooks 80 at centered position. One end of telescopic unit is connected on crossbeam 50, and the other end forms a press end, which from top to bottom presses camshaft 101 surface, in a preferred embodiment, telescopic unit are a cylinder, and the cylinder body of cylinder 70 is connected on crossbeam 50, telescopic rod to Lower extension, press are hung on the camshaft on suspension hook 80.

The utility model passes through support component respectively and positioning component respectively positions axle and camshaft, and benefit Camshaft is clamped with telescopic unit and suspension hook, is overlapped the central axis of two camshafts on axle, it is ensured that two camshafts Concentricity, and be overlapped the central axis of camshaft with the central axis of bushing, so that camshaft be made to match with bushing face It closes, so that camshaft is flexibly rotated, avoid wearing, improve the service life of camshaft.

In a preferred embodiment, there are two mounting base 60, the movable peaces of two mounting bases 60 for setting on crossbeam 50 On crossbeam 50, the length direction for the crossbeam 50 that can postpone is mobile, and two hanging units are connected to two mounting bases On 60, i.e., two suspension hooks 80 on hanging unit are fixedly connected on the both ends of mounting base 60, and suspension hook 80 is detachable by bolt Be fixed in mounting base 60；The cylinder body of cylinder 70 as telescopic unit is then the middle part for being fixed on mounting base 60, in this way, can Mobile mounting base 60, or the suspension hook 80 that replacement is different, enable suspension hook 80 and cylinder 70 postpone crossbeam 50 length direction it is mobile, Positioning so to adapt to different camshafts.A linear guide 51, length of the linear guide along crossbeam 50 are provided on crossbeam 50 It spends direction to extend, two mounting bases 60 are slidably mounted in linear guide 51, enable mounting base 60 smoothly along cross The length direction of beam 50 is adjusted, and the side of crossbeam 50 is provided with multiple location holes, and multiple location hole is postponed the length of crossbeam 50 Direction arranges, and is provided with positioning pin 61 in mounting base 60, and positioning pin 61, which can be worn, to be connect in a wherein location hole, so that peace Dress seat 60 is kept fixed with crossbeam 50, and when needing for different installation requirements, positioning pin 61 is simultaneously inserted by mobile mounting base 60 In corresponding location hole.

It should be pointed out that in other embodiments, above-mentioned cylinder 70 can also be substituted using oil cylinder, certainly, Other telescopic units be can be to substitute cylinder 70, can be realized in a word flexible, be placed in suspension hook 80 by camshaft 101 Afterwards, telescoping mechanism presses downwards camshaft 101, positions to camshaft 101.It is also solid on the telescopic rod of cylinder 70 or oil cylinder Surely there is a briquetting 71, contact compression with the surface of camshaft 101 using the briquetting 71, avoid damage to camshaft 101.

There are two columns 20, two column 20 to extend along short transverse for setting on pedestal 10, and locating slot 21 is arranged on The top end part of two columns 20, locating slot 21 is preferably disposed to the V-shaped structure in section, in this way, keeping axle 100 accurate Positioning.Conductor rod 11 is additionally provided on pedestal 10, the guide rod 11 postpone pedestal 10 length direction extend, two columns 20 movable sets make column 20 have the freedom degree mobile in the length direction of pedestal 10, column 20 and bottom on guide rod 11 The fixing bolt for locking the two is additionally provided between seat 10, in this way, can come according to the axle of different model and length The distance between two locating slots 21 are set, to adapt to axle.

A fixing seat 30 is additionally provided on pedestal 10, actuator is a regulation handle 31, which can be rotated Be mounted in fixing seat 30, worn inside regulation handle 31 and be connected to a screw rod 32, screw rod 32 is threadedly engaged with fixing seat 30, screw rod 32 top and the bottom end of fixed hook 40 are hinged, in this way, when positioning to axle 100, rotation regulation handle 31 is It can.In addition, multiple pads 41 are additionally provided in the inner edge of fixed hook 40, and when the pressure of fixed hook 40 sets axle 100, multiple pads Piece 41 is placed between axle 100 and fixed hook 40, and fixed hook 40 is avoided to damage the surface of axle 100.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that, it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features, and these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (9)

1. on axle install camshaft auxiliary stand, which is characterized in that including for dead axle support component, And the positioning component for convex wheel shaft；

Fixation kit includes pedestal, is fixed on the base two locating slots, the fixed hook between two locating slots and Actuator for driving fixed hook to move up and down, axle are placed on two locating slots, and fixed hook is articulated on axle and connects It is connected on pedestal；

Positioning component includes at least two Spring balancers, the crossbeam being connected at least two Spring balancer suspenders, installation On crossbeam for hang camshaft two hanging units and two respectively with the matched flexible list of two hanging units Member, each hanging unit includes two for hanging the suspension hook of camshaft, and telescopic unit is arranged between two suspension hooks, One end of telescopic unit is connected on crossbeam, the other end forms the press end for from top to bottom pressing camshaft surface.

2. as described in claim 1 for installing the auxiliary stand of camshaft on axle, which is characterized in that be arranged on crossbeam There are two can movable mounting base along its length, one end of two suspension hooks and telescopic unit on hanging unit is with can The mode of disassembly is fixedly connected in mounting base.

3. as claimed in claim 2 for installing the auxiliary stand of camshaft on axle, which is characterized in that be arranged on crossbeam There is a linear guide extended along its length, two mounting bases are slidably mounted in the linear guide, and crossbeam side is set The multiple location holes arranged along its length are equipped with, one is provided in mounting base and wears the positioning connect in a wherein location hole Pin.

4. as claimed in claim 2 for installing the auxiliary stand of camshaft on axle, which is characterized in that telescopic unit is The cylinder body of one cylinder or oil cylinder, cylinder or oil cylinder is fixed in mounting base, telescopic rod is extended downwardly along short transverse.

5. as claimed in claim 4 for installing the auxiliary stand of camshaft on axle, which is characterized in that cylinder or oil cylinder Telescopic rod on be fixed with one for pressing the briquetting on camshaft surface.

6. as described in claim 1 for installing the auxiliary stand of camshaft on axle, which is characterized in that be arranged on pedestal There are two columns extended along short transverse, two locating slots are separately positioned on the top end part of two columns, and the section of locating slot is in V Shape.

7. as claimed in claim 6 for installing the auxiliary stand of camshaft on axle, which is characterized in that be arranged on pedestal There is the guide rod extended along its length, two columns are mobilizable to be arranged on the guide bar, and the bottom of two columns and pedestal It is slidably matched, the fixing bolt for fixing the two is additionally provided between column and pedestal.

8. as described in claim 1 for installing the auxiliary stand of camshaft on axle, which is characterized in that be arranged on pedestal There is a fixing seat, actuator is the regulation handle being rotatably mounted in fixing seat, the interior side to be threadedly engaged of regulation handle Formula, which is worn, is connected to a screw rod, and the top of screw rod and the bottom end of fixed hook are hinged.

9. as described in claim 1 for installing the auxiliary stand of camshaft on axle, which is characterized in that fixed hook Inner edge is additionally provided with multiple pads.