CN210570412U

CN210570412U - Tool clamp for testing axial clearance of brake disc

Info

Publication number: CN210570412U
Application number: CN201921842397.3U
Authority: CN
Inventors: 崔玉成; 吕义磊; 王振羽
Original assignee: Yantai Letai Auto Parts Co Ltd
Current assignee: Yantai Letai Auto Parts Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-05-19
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to the technical field of brake disc detection, and discloses a tool clamp for testing axial play of a brake disc, the key points of the technical scheme are that the brake disc fixing device comprises an installation table and a dial indicator, the upper surface of the installation table is fixedly connected with a supporting seat, the side wall of the installation table is connected with a connecting rod group, the dial indicator is connected with one end, far away from the supporting seat, of the connecting rod group, one side of the installation table is fixedly connected with a side plate, the dial indicator and the side plate are located on the same side, a connecting disc is connected onto the side plate, the connecting disc deviates from a side limit sleeve of the side plate, a fastening shaft is fixedly connected into the limit sleeve and is perpendicular to the side plate, one end, far away from the side plate, of the fastening shaft is twisted with a thread section, a tightening sleeve is sleeved on the fastening shaft, a brake disc sleeve is sleeved on the fastening shaft and is clamped between the tightening sleeve and the limit. The utility model has the advantages of carry out the axial play to the bearing in the brake dish and detect.

Description

Tool clamp for testing axial clearance of brake disc

Technical Field

The utility model relates to a detection technical field of brake dish, in particular to a frock clamp for testing brake dish axial internal clearance.

Background

The brake disc is a part applied to automobiles and used for braking the automobiles to move. When the automobile needs to be braked, the brake calipers clamp the brake disc to generate braking force, so that the automobile plays a role in reducing speed or stopping.

When the brake disc works, the brake disc needs to rotate along with the rotation of the wheel, so that the center of the brake disc needs to be provided with a hub bearing. In the prior art, after the hub bearing is installed in the brake disc, the brake disc with the hub bearing is usually required to be detected, and the detected item is the play of the hub bearing.

The play refers to fixing one of the inner ring or the outer ring of the bearing, and then making the other side of the bearing which is not fixed move in the radial direction or the axial direction, wherein the moving amount during moving is the radial play or the axial play. The size of the play directly determines the stability and the noise of the bearing, so after the hub bearing is installed in the brake disc, the play detection is needed to achieve good stability and low noise.

At present, chinese patent with publication number CN105783662A discloses a bearing axial play measures frock, which comprises a base, the supporting seat of setting on the base, the magnetic force percentage table, the top of supporting seat is equipped with the recess of placing axle connection bearing, the top of axle connection bearing is equipped with presses axle connection bearing at the interior fixed arc clamp plate of recess, the recess is the arc recess, its both ends are stretched out respectively and are had the linking arm, arc clamp plate both ends are connected with two linking arms at recess both ends through adjusting bolt respectively, the measuring head of magnetic force percentage table pushes up on the minor axis terminal surface of axle connection bearing.

Above-mentioned bearing axial play measures frock is in the measurement process, places the coupling bearing in the recess, realizes the fixed of coupling bearing outer lane through the clamp plate, and fixed back of accomplishing is through removing the dabber in the coupling bearing to the realization is to the detection of the axial play of coupling bearing.

Above-mentioned bearing axial play measures frock can only detect naked bearing, because the great and bearing of the volume of brake dish is located the brake dish, consequently can't carry out the measuring of axial play to the bearing in the brake dish.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock clamp for testing brake disc axial play has the advantage that carries out axial play to the bearing in the brake disc and detects.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tool clamp for testing the axial play of a brake disc comprises an installation table and a dial indicator, wherein the upper surface of the installation table is fixedly connected with a supporting seat, the side wall of the mounting table is connected with a connecting rod group, the dial indicator is connected at one end of the connecting rod group far away from the supporting seat, one side of the mounting table is fixedly connected with a side plate, the side plate is vertical to the mounting table, the dial indicator and the side plate are positioned on the same side, the side plate is connected with a connecting disc, the side of the connecting disc, which deviates from the side plate, is fixedly connected with a limit sleeve, a fastening shaft is fixedly connected in the limiting sleeve and is vertical to the side plate, a thread section is twisted at one end of the fastening shaft far away from the side plate, the brake disc is sleeved on the fastening shaft and clamped between the abutting sleeve and the limiting sleeve, and the thread section is in threaded connection with a thread sleeve used for pressing the abutting sleeve.

Through adopting above-mentioned technical scheme, when carrying out the detection of brake dish, the staff overlaps the wheel hub bearing cover in the brake dish on the fastening shaft, and the inner circle of the wheel hub bearing in the brake dish is contradicted on the stop collar this moment. Then, the staff is sleeved with the abutting sleeve on the fastening shaft and screws up the thread sleeve, and the inner ring of the hub bearing in the brake disc is fastened between the abutting sleeve and the limiting sleeve. The measuring head of amesdial contradicts on the surface of brake dish, and the staff applys the power that is on a parallel with the fastening shaft towards the brake dish this moment for the brake dish carries out reciprocating motion along the fastening shaft, because the outer lane fixed connection of brake dish and wheel hub bearing, consequently at the in-process of brake dish reciprocating motion, the data that the amesdial embodied are the axial internal clearance of wheel hub bearing promptly, thereby the completion carries out the measuring of axial internal clearance to the bearing of brake dish.

Furthermore, a supporting hole is vertically formed in the supporting seat, a supporting bolt is connected in the supporting hole in a threaded mode, a connecting side rod is fixedly connected to one end, facing the supporting seat, of the connecting rod group, a connecting hole communicated with the supporting hole is formed in the side wall of the supporting seat, and the connecting side rod stretches into the connecting hole and is tightly supported below the supporting bolt.

By adopting the technical scheme, before measurement, the abutting bolt is unscrewed, a worker rotates the connecting rod set according to the surface shape and the position relation of the brake disc, and the connecting rod set drives the dial indicator to rotate until the measuring head of the dial indicator is right opposite to the surface of the brake disc.

Further, the connecting rod group includes first connecting rod and second connecting rod, connecting side lever fixed connection is in the one end of first connecting rod, the cover is equipped with the adjusting collar on the first connecting rod, threaded connection has the locking bolt that is used for supporting tight first connecting rod on the adjusting collar, the lateral wall of adjusting collar is equipped with the adapter sleeve, the second connecting rod passes the adapter sleeve, wear to be equipped with the locking bolt that is used for supporting tight second connecting rod on the adapter sleeve.

Through adopting above-mentioned technical scheme, the setting of adjusting collar makes the total length of connecting rod group adjustable to this makes the extending length of amesdial adjustable, and the staff can adjust the position of amesdial according to the position of brake dish.

Furthermore, an upper edge plate is fixedly connected to the top surface of the connecting sleeve, a fastening screw rod penetrating through the upper edge plate is fixedly connected to the side wall of the adjusting sleeve, and a compression nut used for compressing the upper edge plate is connected to the fastening screw rod in a threaded manner.

Through adopting above-mentioned technical scheme, after adjusting the extension length of amesdial, the staff can be through last angle of following the board and adjusting the second connecting rod to this makes the measuring head of amesdial can be the vertical form and contradicts in the brake dish.

Furthermore, the one end fixedly connected with regulating block of second connecting rod is kept away from to first connecting rod, one side fixedly connected with installation screw rod of regulating block, the cover is equipped with the installation piece on the installation screw rod, fixedly connected with is used for the stop collar of fixed amesdial measuring head on the installation piece, threaded connection has the fastening nut who is used for compressing tightly the installation piece on the installation screw rod.

Through adopting above-mentioned technical scheme, adjust the completion back at connecting rod group, the staff can finely tune the angle of amesdial according to shape and angle on brake dish surface to this makes the measuring head of amesdial can be perpendicular form and contradicts in the lateral wall of brake dish.

Furthermore, one side of the mounting table, which is opposite to the side plate, is fixedly connected with a mounting side plate, and a plurality of mounting holes for penetrating bolts are formed in the mounting side plate.

Through adopting above-mentioned technical scheme, the setting of installation curb plate is feasible the utility model discloses can fix on the wall, the staff can be according to the position installation of stacking of brake dish the utility model discloses, improved the utility model discloses a mobility.

Furthermore, the side plate is provided with at least two locking slotted holes, the connecting disc is provided with a locking hole communicated with the locking slotted holes, and a locking bolt assembly penetrates between the locking hole and the locking slotted hole.

Through adopting above-mentioned technical scheme, locking bolt subassembly makes the connection pad that is connected with the fastening axle be the detachable structure to make the staff can change the fastening axle according to the brake dish of difference, improved the utility model discloses an application range.

Furthermore, a reinforcing rib plate is fixedly connected between the side plate and the installation side plate.

Through adopting above-mentioned technical scheme, the reinforced rib plate has improved the utility model discloses an overall strength has reduced the utility model discloses produce the possibility of deformation.

To sum up, the utility model discloses following beneficial effect has:

the common cooperation of the abutting sleeve, the limiting sleeve and the threaded sleeve enables the brake disc to be fastened on the fastening shaft, and the axial clearance of the hub bearing in the brake disc is judged by measuring the axial moving distance of the brake disc through the dial indicator by a worker, so that the effect of detecting the axial clearance of the hub bearing in the brake disc is realized.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention;

fig. 2 is a schematic structural view for embodying the connecting side lever.

In the figure, 1, a mounting table; 2. a dial indicator; 3. installing a side plate; 31. mounting holes; 4. a side plate; 41. a reinforcing rib plate; 42. locking the slotted hole; 5. a connecting disc; 51. a locking bolt assembly; 52. a limiting sleeve; 6. fastening the shaft; 61. a threaded segment; 62. a threaded sleeve; 7. abutting the sleeve; 8. a supporting seat; 81. abutting the hole; 82. tightly abutting against the bolt; 83. connecting holes; 9. a connecting rod group; 91. a first link; 911. connecting side rods; 92. a second link; 93. an adjusting sleeve; 931. locking the bolt; 932. fastening a screw rod; 9321. a compression nut; 94. connecting sleeves; 941. locking the bolt; 95. an upper edge plate; 96. an adjusting block; 961. installing a screw rod; 9611. fastening a nut; 97. mounting blocks; 98. a restraining sleeve; 981. the bolt is restrained.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a frock clamp for testing brake disc axial play, refer to FIG. 1, includes mount table 1 and amesdial 2. The mounting table 1 is made of horizontal steel plates, a mounting side plate 3 is welded on one side of the mounting table 1, the mounting side plate 3 is perpendicular to the mounting table 1, mounting holes 31 are formed in four corners of the mounting side plate 3 respectively, and the mounting side plate 3 is fastened on a wall through bolts penetrating through the mounting holes 31.

Referring to fig. 1, a side plate 4 is welded to one side of the mounting table 1, the side plate 4 is perpendicular to the mounting table 1, and the side plate 4 and the mounting side plate 3 are located on two opposite sides of the mounting table 1. In order to improve the strength between the side panel 4 and the installation side panel 3, a reinforcing rib 41 is welded between the side panel and the installation side panel 3.

Referring to fig. 1, the side plate 4 has two locking slots 42, and the two locking slots 42 are arranged on the side plate 4 in a central symmetry manner. The side plate 4 is attached with a connecting disc 5, the connecting disc 5 is provided with a locking hole communicated with the locking slotted hole 42, and a locking bolt 941 component 51 penetrates between the locking hole and the locking slotted hole 42.

Referring to fig. 1, a limiting sleeve 52 is welded on one side of the connecting disc 5, which is far away from the side plate 4, a fastening shaft 6 is fixedly connected in the limiting sleeve 52, and the fastening shaft 6 is perpendicular to the side plate 4. When detecting the brake disc, the worker sleeves the brake disc on the fastening shaft 6, so that the fastening shaft 6 penetrates through the hub bearing in the brake disc.

Referring to fig. 1, when a worker installs a brake disc, the worker can replace the fastening shaft 6 according to the specification of the batch of brake discs, thereby realizing the detection of the brake discs with various specifications. When the fastening shaft is replaced, the worker unscrews the locking bolt 941 assembly 51, the connecting disc 5 with the limiting sleeve 52 and the fastening shaft 6 is separated from the side plate 4, the worker selects the connecting disc 5 with the fastening shaft 6 with the proper specification and screws the connecting disc 5 on the side plate 4, and the fastening shaft 6 is replaced.

Referring to fig. 1, a threaded section 61 is twisted at one end of the fastening shaft 6 far away from the side plate 4, and the fastening shaft 6 is sleeved with a propping sleeve 7. After the brake disc is sleeved on the fastening shaft 6, the worker sleeves the abutting sleeve 7 on the fastening shaft 6, and the brake disc is clamped between the abutting sleeve 7 and the limiting sleeve 52. A threaded sleeve 62 is screwed onto the threaded section 61, the threaded sleeve 62 being able to press against the abutment sleeve 7, so that the brake disc is fastened between the abutment sleeve 7 and the stop collar 52.

Referring to fig. 1 and 2, a support seat 8 is welded on the upper surface of the mounting table 1, a connecting rod group 9 is connected to the side wall of the mounting table 1, the dial indicator 2 is connected to one end, far away from the support seat 8, of the connecting rod group 9, and the dial indicator 2 and the side edge plate 4 are located on the same side. After the brake disc is fastened, the measuring head of the dial indicator 2 is abutted against the side face of the brake disc, a worker pushes the brake disc axially, the moving distance of the brake disc is measured through the dial indicator 2, and the axial moving distance of the brake disc is the axial clearance of the bearing.

Referring to fig. 1 and 2, the connecting rod set 9 includes a first connecting rod 91 and a second connecting rod 92, and a connecting side rod 911 is welded to one end of the first connecting rod 91. A supporting hole 81 is vertically formed in the supporting seat 8, the supporting hole 81 is a threaded hole, and a supporting bolt 82 is in threaded connection inside the supporting hole. The side wall of the supporting seat 8 is provided with a connecting hole 83 communicated with the abutting hole 81, and the connecting side lever 911 penetrates through the connecting hole 83 and abuts against the lower part of the abutting bolt 82.

Referring to fig. 1, when measuring, the staff can adjust the angle of amesdial 2 according to the specification of brake dish, and in the adjustment process, the staff unscrews and supports tight bolt 82, uses connecting side lever 911 as axle center swivelling joint pole group 9 after that, and connecting pole group 9 drives amesdial 2 and rotates to this adjustment of realizing the angle to amesdial 2. After the adjustment is completed, the worker tightens the abutting bolt 82 to lock the connecting rod group 9.

Referring to fig. 1 and 2, an adjusting sleeve 93 is slidably sleeved on the first link 91, and a locking bolt 931 for abutting against the first link 91 is threadedly connected to the adjusting sleeve 93. The side wall of the adjusting sleeve 93 is provided with a connecting sleeve 94, the top surface of the connecting sleeve 94 is welded with an upper edge plate 95, the side wall of the adjusting sleeve 93 facing the connecting sleeve 94 is welded with a fastening screw 932, and the fastening screw 932 penetrates through the upper edge plate 95. A pressing nut 9321 for pressing the upper edge plate 95 is screwed to the fastening screw 932.

Referring to fig. 1, the second link 92 passes through the connecting sleeve 94, and the second link 92 is matched with the connecting sleeve 94 in a sliding connection manner. A locking bolt 941 for abutting against the second link 92 is threadedly coupled to the connection sleeve 94. The connecting sleeve 94 is arranged to adjust the total length of the first connecting rod 91 and the second connecting rod 92, and a worker can adjust the position of the dial indicator 2 according to the position of the brake disc, so that the effect of adapting to various specifications of brake discs is achieved.

Referring to fig. 1, an adjusting block 96 is fixedly connected to one end of the first connecting rod 91, which is far away from the second connecting rod 92, a mounting screw 961 is welded to one side of the adjusting block 96, a mounting block 97 is sleeved on the mounting screw 961, and a fastening nut 9611 for pressing the mounting block 97 is connected to the mounting screw 961 through a thread. The mounting block 97 is welded with a limiting sleeve 98 for fixing a measuring head of the dial indicator 2, and a limiting bolt 981 is in threaded connection with the limiting sleeve.

Referring to fig. 1, before measurement, after the adjustment of the connecting rod set 9 is completed, the worker can adjust the angle of the dial indicator 2 by rotating the mounting block 97, so that the measuring head of the dial indicator 2 can be right opposite to a brake disc, and the measurement precision is improved.

The specific implementation process comprises the following steps:

1. the operator unscrews the fastening bolt 82 and rotates the connecting rod group 9 to enable the dial indicator 2 to be far away from one side of the fastening shaft 6;

2. sleeving a brake disc to be tested on the fastening shaft 6, sleeving the abutting sleeve 7 towards the fastening shaft 6, so that an inner ring of a hub bearing of the brake disc abuts between the abutting sleeve 7 and the limiting sleeve 52, and a worker tightens the threaded sleeve 62 to fasten the brake disc on the fastening shaft 6;

3. the connecting rod group 9 and the adjusting block 96 are adjusted, so that the measuring head of the dial indicator 2 is right opposite to the brake disc, then the brake disc is moved forward and backward for many times along the axial direction of the fastening shaft 6 by a worker, and the data displayed by the dial indicator 2 is the data of the axial gap.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a frock clamp for testing brake disc axial play which characterized in that: the fixing device comprises an installation table (1) and a dial indicator (2), wherein a supporting seat (8) is fixedly connected to the upper surface of the installation table (1), a connecting rod group (9) is connected to the side wall of the installation table (1), the dial indicator (2) is connected to one end, away from the supporting seat (8), of the connecting rod group (9), a side plate (4) is fixedly connected to one side of the installation table (1), the side plate (4) is perpendicular to the installation table (1), the dial indicator (2) and the side plate (4) are located on the same side, a connecting disc (5) is connected to the side plate (4), a limiting sleeve (52) is fixedly connected to the side face, away from the side plate (4), of the connecting disc (5), a fastening shaft (6) is fixedly connected to the inside of the limiting sleeve (52), the fastening shaft (6) is perpendicular to the side plate (4), and a thread section (61) is twisted at one end, away from the side plate (4), of the fastening shaft, the fastening shaft (6) is sleeved with a supporting sleeve (7), the brake disc is sleeved on the fastening shaft (6) and clamped between the supporting sleeve (7) and the limiting sleeve (52), and the thread section (61) is connected with a thread sleeve (62) used for pressing the supporting sleeve (7) in a threaded manner.

2. The tool clamp for testing the axial play of the brake disc according to claim 1, characterized in that: the supporting seat is vertically opened with a supporting hole (81), the supporting hole (81) is connected with an internal thread to support a tight bolt (82), the connecting rod group (9) is connected with a connecting side rod (911) towards one end of the supporting seat (8), the side wall of the supporting seat (8) is opened with a connecting hole (83) communicated with the supporting hole (81), and the connecting side rod (911) stretches into the connecting hole (83) and supports tightly below the tight bolt (82).

3. The tool clamp for testing the axial play of the brake disc according to claim 2, characterized in that: connecting rod group (9) include first connecting rod (91) and second connecting rod (92), connecting rod (911) fixed connection is in the one end of first connecting rod (91), the cover is equipped with adjusting sleeve (93) on first connecting rod (91), threaded connection has the dead bolt (931) that is used for supporting tight first connecting rod (91) on adjusting sleeve (93), the lateral wall of adjusting sleeve (93) is equipped with adapter sleeve (94), adapter sleeve (94) is passed in second connecting rod (92), wear to be equipped with on adapter sleeve (94) and be used for supporting tight locking bolt (941) of second connecting rod (92).

4. A tool clamp for testing axial play of a brake disc according to claim 3, characterized in that: fixedly connected with goes up along board (95) on the top surface of adapter sleeve (94), the lateral wall fixedly connected with of adjusting collar (93) passes fastening screw (932) of going up along board (95), threaded connection has gland nut (9321) that is used for compressing tightly along board (95) on fastening screw (932).

5. A tool clamp for testing axial play of a brake disc according to claim 3, characterized in that: one end fixedly connected with regulating block (96) of second connecting rod (92) is kept away from in first connecting rod (91), one side fixedly connected with installation screw rod (961) of regulating block (96), the cover is equipped with installation piece (97) on installation screw rod (961), fixedly connected with is used for wearing to establish restriction cover (98) of amesdial (2) measuring head on installation piece (97), threaded connection has fastening nut (9611) that are used for compressing tightly installation piece (97) on installation screw rod (961).

6. The tool clamp for testing the axial play of the brake disc according to claim 1, characterized in that: the side plate fixing structure is characterized in that a mounting side plate (3) is fixedly connected to one side, opposite to the side plate (4), of the mounting table (1), and a plurality of mounting holes (31) for penetrating bolts are formed in the mounting side plate (3).

7. The tool clamp for testing the axial play of the brake disc according to claim 1, characterized in that: open on side board (4) and have two at least locking slotted hole (42), it has the lockhole that communicates with each other and give with locking slotted hole (42) to open on connection pad (5), wear to be equipped with between lockhole and the locking slotted hole (42) and lock bolt (941) subassembly (51).

8. A frock clamp for testing axial play of brake disc according to claim 6, characterized in that: and a reinforcing rib plate (41) is fixedly connected between the side plate (4) and the mounting side plate (3).