CN202109870U

CN202109870U - Verticality detecting device for spacer on drive axle of heavy-duty automobile

Info

Publication number: CN202109870U
Application number: CN201120146458XU
Authority: CN
Inventors: 钱彻; 刘晓锋; 吴淑华
Original assignee: CHONGQING MECHWEST Inc
Current assignee: CHONGQING MECHWEST Inc
Priority date: 2011-05-10
Filing date: 2011-05-10
Publication date: 2012-01-11
Anticipated expiration: 2021-05-10

Abstract

The utility model discloses a verticality detecting device for a spacer on the drive axle of a heavy-duty automobile. A cushion block is horizontally placed on a stand. A spacer locating block is disposed on the cushion block. The right transverse plane of the spacer locating block is perpendicular to the upper plane of the cushion block. Two dial gauges are arranged side by side on the upper portion of the cushion block up and down. The dial gauges are supported on the stand via a fixing rack. The dial gauges are located on the right of the spacer locating block. The measuring rod of each dial gauge is parallel to the right transverse plane of the spacer locating block. The verticality detecting device of the utility model enables the verticality error of a spacer to be accurately measured, so that the verticality of the spacer can be accurately detected. The verticality detecting device is high in detecting precision, easy, convenient and fast in operation, high in detecting efficiency, and can effectively substitute a three-coordinate measuring instrument to detect the verticality of the spacer.

Description

Heavy-duty car drive axle spacer ring verticality verifying attachment

Technical field

The utility model belongs to a kind of verifying attachment, relates in particular to a kind of verifying attachment that is used to check the external disc verticality of heavy-duty car drive axle spacer ring inner face.

Background technology

Spacer ring is a kind of vitals on the heavy-duty car drive axle, and it is used for the wheel hub axial location between semiaxis conduit and wheel hub, and forms the motive seal relation with semiaxis conduit and wheel hub.In view of above-mentioned technical requirement, spacer ring is higher to the morpheme error requirements, and particularly the error of perpendicularity of the external disc of spacer ring inner face generally need be controlled in the 0.02mm; Therefore, all need carry out the verticality check before spacer ring dispatches from the factory to it.At present, at first spacer ring is placed on the V-type during verticality of check spacer ring, two faces of the periphery of spacer ring and V-type are fitted; Secondly through the opposing end surface axial location of axial direction positioning device, again the gauge outfit of clock gauge on the magnetic force gauge stand is contacted the inner face of spacer ring, read a numerical value the spacer ring inner face; Then the spacer ring edge is rotated in a circumferential direction 180 °; Read a numerical value again, two numerical value are subtracted each other draw a reading difference then, repeatedly repeat above-mentioned reading operation; Calculate a plurality of reading differences, wherein maximum reading difference is the error of perpendicularity of the external disc of spacer ring inner face.In checkout procedure, we find that there is following defective in traditional structure:

1, because spacer ring passes through the opposing end surface axial location of inner face; And there is not parallel error between the inner face of this opposing end surface and spacer ring; This not parallel error is directly copied on the error of perpendicularity of spacer ring inner face and cylindrical; And then the spacer ring error of perpendicularity that causes measuring has a tremendous difference with the real error of perpendicularity, so just can not accurately carry out verticality to spacer ring and check, and testing accuracy is lower;

2, a numerical value time is read in check earlier, then with spacer ring along rotating in a circumferential direction 180 °, read a numerical value again, two reading values are subtracted each other just can draw a reading difference then, complicated operation, reading are not directly perceived, detection efficiency is low; Simultaneously,, to guarantee always also in the time of reading that opposing end surface and the axial direction positioning device of spacer ring inner face fitted, operate awkwardly, not smoothly that and inconvenience can further reduce detection efficiency so again very much in order to guarantee the accuracy of reading value.

The utility model content

The utility model technical matters to be solved is the heavy-duty car drive axle spacer ring verticality verifying attachment that provides a kind of testing accuracy and efficient all very high.

The technical scheme of the utility model is following: a kind of heavy-duty car drive axle spacer ring verticality verifying attachment; Comprise stand; Its key is: horizontal positioned cushion block on said stand, be placed with the spacer ring locating piece on this cushion block, and the last plane of the right side of spacer ring locating piece and cushion block is perpendicular; Above said cushion block, be arranged side by side two clock gauges up and down, this clock gauge is supported on the said stand through fixed mount, and clock gauge is positioned at the right of said spacer ring locating piece, and the right side of this spacer ring locating piece and the gauge rod of said clock gauge parallel.

During the check verticality, earlier spacer ring is placed on the cushion block, and the periphery of spacer ring is contacted with the last plane of cushion block and the right side of spacer ring locating piece simultaneously, the inner face of spacer ring rear end contacts with the front end (being gauge outfit) of two clock gauge gauge rods; Observe the reading of two clock gauges then; Two reading values can form a reading difference, spacer ring are done rotating in a circumferential direction at last along the center line of self, repeat above-mentioned reading operation; And then calculate a plurality of reading differences; Maximum reading difference is the error of perpendicularity of the external disc of spacer ring inner face, if then spacer ring is defective greater than 0.02mm for this value, on the contrary then qualified.Because when adopting the verticality of this device check spacer ring; No longer as in the past, need to locate through the opposing end surface of spacer ring inner face; The not parallel error that can prevent spacer ring inner face and inner face opposing end surface so on the one hand directly copies on the verticality of spacer ring inner face and cylindrical inspection; Thereby make the verticality value of measuring more approach actual value, and then effectively guarantee the testing accuracy of this device; Reading does not audaciously worry that reading value is inaccurate on the other hand, and is simple, convenient, can effectively improve detection efficiency.In addition,, so just can read two reading values simultaneously, thereby can obtain a reading difference simply, intuitively, quickly, further improve the detection efficiency of the utility model so again because this pick-up unit is provided with two clock gauges.Adopt above technical scheme, the utility model can be measured the error of perpendicularity of spacer ring exactly, thereby accurately spacer ring is carried out the verticality check; Testing accuracy is high; Simple, convenient, quick, checkability is high, can effectively replace three-coordinates measuring machine to come spacer ring is carried out the verticality check.

Said fixed mount comprises vertical bar, goes up mounting rod and following mounting rod; Wherein vertical bar is positioned at the back of said cushion block; And be supported on the transverse pipe at stand rear portion through the back-up block of this vertical bar lower end, the bolt on the back-up block is with nut after passing the horizontal bar hole on the transverse pipe from top to bottom; The said last mounting blocks of going up the mounting rod rear portion is solidly set on the top of vertical bar, and the anterior last installation sleeve of last mounting rod is solidly set on outside the gauge rod of a top clock gauge; Said mounting rod down is arranged side by side below last mounting rod, and the following mounting blocks at this time mounting rod rear portion is solidly set on the bottom of vertical bar, and the anterior following installation sleeve of following mounting rod is solidly set on outside the gauge rod of a following clock gauge.Above structure can be fixed two clock gauges on the one hand reliably, makes things convenient for again on the other hand horizontal adjustment is done in the position of two clock gauges.

The left side at said cushion block vertically is provided with screw rod, and the bottom of screw rod is located in vertical bar hole, and this vertical bar hole is opened on vertical pipe of stand left part, and vertically manages on the screw rod of upper and lower and all be with set nut; The top of said screw rod is located in the horizontal bar hole of pressing plate left part, on the screw rod of pressing plate upper and lower, all is with the adjustment nut, and the right part of pressing plate is fixedly connected with the end face of said spacer ring locating piece.

Above structure can be fixed on said spacer ring locating piece on the cushion block on the one hand securely; When preventing that spacer ring from reclining the spacer ring locating piece spacer ring locating piece is hit; Guarantee accuracy of detection; Conveniently again on the other hand when needed the position of spacer ring locating piece is adjusted, this structure matches with the said fixing frame, can change the placement location of spacer ring when checking as required; Because after this verifying attachment used a period of time, the last plane of cushion block can stay the vestige of spacer ring periphery, the placement location in the time of at this moment can checking through the adjustment spacer ring improves the utilization factor on plane on the cushion block, prolongs the serviceable life of this verifying attachment cushion block.

Beneficial effect: the utility model can be measured the error of perpendicularity of spacer ring exactly; Thereby accurately spacer ring is carried out the verticality check, testing accuracy is high, and is simple, convenient, quick; Checkability is high, can effectively replace three-coordinates measuring machine to come spacer ring is carried out the verticality check.

Description of drawings

Fig. 1 is the stereographic map of the utility model;

Fig. 2 is that the A of Fig. 1 is to view;

Fig. 3 is that the B of Fig. 1 is to view.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described further:

Shown in Fig. 1～3; The utility model is made up of stand 1, cushion block 2, spacer ring locating piece 3, clock gauge 4, fixed mount, screw rod 16, set nut 18, pressing plate 19 and adjustment nut 20; Wherein stand 1 is existing universal architecture; And the rear portion of stand 1 is provided with transverse pipe 1a, and the left part of this stand 1 is provided with vertical pipe 1b.Horizontal positioned has cushion block 2 on above-mentioned stand 1, and the flatness on plane requires very high on this cushion block 2.On above-mentioned cushion block 2, be placed with spacer ring locating piece 3, the last plane of the right side of spacer ring locating piece 3 and cushion block 2 is perpendicular.Above said cushion block 2, be arranged side by side two clock gauges 4 up and down; This clock gauge 4 is supported on the said stand 1 through fixed mount; And clock gauge 4 is positioned at the right of said spacer ring locating piece 3; The right side of the gauge rod of clock gauge 4 and this spacer ring locating piece 3 parallels, and near the right side of spacer ring locating piece 3.

The said fixing frame comprises vertical bar 5, goes up mounting rod 6 and following mounting rod 7, and wherein vertically bar 5 is positioned at the back of said cushion block 2, is installed with back-up block 8 in the lower end of vertical bar 2, and this back-up block 8 is supported on the transverse pipe 1a at stand 1 rear portion.On above-mentioned back-up block 8, vertically be provided with two bolts 9, this bolt 9 is with said nut 11 after passing the horizontal bar hole 10 on the transverse pipe 1a from top to bottom.Said right side of going up mounting rod 6 and spacer ring locating piece 3 parallels; The rear portion of last mounting rod 6 is provided with mounting blocks 12; Should go up the top that mounting blocks 12 is solidly set on vertical bar 5, the front portion of last mounting rod 6 is provided with installation sleeve 13, and installation sleeve 13 is solidly set on outside the gauge rod of a top clock gauge 4 on this.Said mounting rod 7 down is arranged side by side below last mounting rod 6; Mounting blocks 14 under the rear portion of mounting rod 7 is installed with down; This time mounting blocks 14 is solidly set on the bottom of vertical bar 5, and the front portion of following mounting rod 7 is provided with down installation sleeve 15, and this time installation sleeve 15 is solidly set on outside the gauge rod of a following clock gauge 4.

Can find out from Fig. 1～3; The left side at said cushion block 2 vertically is provided with screw rod 16; The bottom of this screw rod 16 is located in vertical bar hole 17; This vertical bar hole 17 is opened on vertical pipe 1b of stand 1 left part, and vertically manages on the screw rod 16 of 1b above and below and all be with set nut 18, so just possibly be fixed on the stand 1 by screw rod 16.The top of said screw rod 16 is located among the horizontal bar hole 19a of pressing plate 19 left parts, on the screw rod 16 of pressing plate 19 above and belows, all is with adjustment nut 20, and the right part of pressing plate 19 is connected through screw retention with the end face of said spacer ring locating piece 3.

The above is merely the preferred embodiment of the utility model; It is not restriction with the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims

1. heavy-duty car drive axle spacer ring verticality verifying attachment; Comprise stand (1); It is characterized in that: go up horizontal positioned cushion block (2) at said stand (1); Be placed with spacer ring locating piece (3) on this cushion block (2), the last plane of the right side of spacer ring locating piece (3) and cushion block (2) is perpendicular; Be arranged side by side two clock gauges (4) up and down in the top of said cushion block (2); This clock gauge is supported on the said stand (1) through fixed mount; And clock gauge (4) is positioned at the right of said spacer ring locating piece (3), and the gauge rod of the right side of this spacer ring locating piece (3) and said clock gauge (4) parallels.

2. heavy-duty car drive axle spacer ring verticality verifying attachment according to claim 1; It is characterized in that: said fixed mount comprises vertical bar (5), goes up mounting rod (6) and following mounting rod (7); Wherein vertical bar (5) is positioned at the back of said cushion block (2); And be supported on the transverse pipe (1a) at stand (1) rear portion through the back-up block (8) of this vertical bar lower end, the bolt (9) on the back-up block (8) is with nut (11) after passing the horizontal bar hole (10) on the transverse pipe (1a) from top to bottom; The said last mounting blocks (12) of going up mounting rod (6) rear portion is solidly set on the top of vertical bar (5), and the anterior last installation sleeve (13) of last mounting rod is solidly set on outside the gauge rod of a top clock gauge (4); Said mounting rod (7) down is arranged side by side the below in last mounting rod (6); The following mounting blocks (14) at this time mounting rod rear portion is solidly set on the bottom of vertical bar (5), and the anterior following installation sleeve (15) of following mounting rod (7) is solidly set on outside the gauge rod of a following clock gauge (4).

3. heavy-duty car drive axle spacer ring verticality verifying attachment according to claim 1; It is characterized in that: screw rod (16) vertically is set on the left side of said cushion block (2); The bottom of screw rod is located in vertical bar hole (17); This vertical bar hole (17) is opened on vertical pipe (1b) of stand (1) left part, and all is with set nut (18) on the screw rod (16) of vertical pipe (1b) upper and lower; The top of said screw rod (16) is located in the horizontal bar hole (19a) of pressing plate (19) left part; On the screw rod (16) of pressing plate (19) upper and lower, all be with adjustment nut (20), the right part of pressing plate (19) is fixedly connected with the end face of said spacer ring locating piece (3).