CN212409586U - Double-row ball bearing clearance verification device - Google Patents
Double-row ball bearing clearance verification device Download PDFInfo
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- CN212409586U CN212409586U CN202021143005.7U CN202021143005U CN212409586U CN 212409586 U CN212409586 U CN 212409586U CN 202021143005 U CN202021143005 U CN 202021143005U CN 212409586 U CN212409586 U CN 212409586U
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Abstract
The utility model relates to a double-row ball bearing play verification device, which comprises a double-layer test platform, wherein the lower layer of the double-layer test platform is provided with a hub assembly tool, and the hub assembly is fixedly arranged on the hub assembly tool when in use; the upper layer of the double-layer test platform is provided with an axial loading device, the axial loading device is positioned right above a hub in the hub assembly and is fixedly connected with the end face of the hub to apply axial load to the hub when in use; the steel ball is placed at the hub tail hole of the hub assembly when the steel ball is used, and the diameter of the steel ball is larger than that of the hub tail hole; the testing device is characterized by further comprising a dial indicator, wherein the dial indicator is installed on the double-layer testing platform through a support, and when the testing device is used, a probe of the dial indicator vertically points to the top position of the steel ball and coincides with the axis of a double-row ball bearing of the hub assembly. The utility model discloses need not provide a swift and accurate double-row ball bearing play verification mode to knuckle and wheel hub processing.
Description
Technical Field
The utility model relates to an automobile wheel hub bearing unit technical field, the more specifically double row ball bearing play that says so verifies device.
Background
At present, the play verification is widely applied to the field of design and manufacture of double-row ball bearings. However, the existing play verification method has the problems of long period and large measurement error. Technical staff is when doing the play verification, can use the play detector to measure after knuckle and HUB (wheel HUB) are impressed in order to guarantee the bearing, need process knuckle and HUB in advance, prevent knuckle goat's horn and HUB ring flange and examine test table and interfere. Because generally adopt the wire-electrode cutting mode during cutting knuckle and HUB, need the car processing plastic after the cutting is accomplished, used cycle is generally about a week, and the cycle overlength that consumes and process are comparatively loaded down with trivial details. After the knuckle is cut, the rigidity of the knuckle and the HUB is reduced due to the removal of the cut area, and a large error exists in the play measurement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double row ball bearing play verifies device, the utility model discloses need not provide a swift and accurate double row ball bearing play verification mode to knuckle and wheel hub processing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a double-row ball bearing play verification device which characterized in that: comprises a double-layer test platform which is provided with a test platform,
the lower layer of the double-layer test platform is provided with a hub assembly tool 11, and the hub assembly 7 is fixedly arranged on the hub assembly tool 11 when the double-layer test platform is used;
the upper layer of the double-layer test platform is provided with an axial loading device, the axial loading device is positioned right above a hub 72 in the hub assembly 7, and is fixedly connected with the end face of the hub 72 to apply axial load to the hub 72 when in use;
the steel ball 6 is placed at the tail hole of a hub 72 of the hub assembly 7 when the steel ball 6 is used, and the diameter of the steel ball 6 is larger than that of the tail hole of the hub 72;
the testing device further comprises a dial indicator 5, wherein the dial indicator 5 is installed on the double-layer testing platform through a support, and when the testing device is used, a probe of the dial indicator 5 vertically points to the top of the steel ball 6 and coincides with the axis of the double-row ball bearing 71 of the hub assembly 7.
Further, the double-layer test platform comprises a loading platform 2 and a device platform 9 which are arranged up and down, and the loading platform 2 and the device platform 9 are connected through a plurality of stand columns 3 in a supporting mode.
Furthermore, the loading platform 2 is rectangular, and four corners of the loading platform are connected with the device platform 9 through the upright posts 3.
Further, the dial indicator 5 is installed on the device platform 9 through the magnetic bracket 4 in an adsorbing mode.
Further, the axial loading device comprises a loading cylinder 1, a loading sleeve 8 is arranged at the end of the loading cylinder 1, and when the axial loading device is used, the loading sleeve 8 is fixedly installed on the end face of the hub 72 through a bolt and exposes the steel ball 6.
Further, the loading cylinder 1 in the axial loading device can be replaced by a loading motor, and a screw mechanism is arranged on an output shaft of the loading motor and is used for being connected with the loading sleeve 8.
Furthermore, the loading sleeve 8 comprises a flange plate 81 matched with the end face of the hub 72, the left side and the right side of the flange plate 81 are respectively provided with a supporting plate 82, and the upper ends of the supporting plates 82 are connected through a connecting plate 83.
Further, wheel hub assembly frock 11 includes with knuckle 73 go up tie point assorted mounting, the mounting passes through bolted connection with the corresponding tie point on the knuckle 73, the mounting is fixed on double-deck test platform.
Further, the fixing piece is a fixing column 13 or a fixing block 14, wherein a bolt hole is formed in the top of the fixing column 13, and a bolt hole is formed in the side face of the fixing block 14.
The utility model has the advantages that: from the assembly of double row ball bearing in-service use, through the pressure equipment process of simulation double row ball bearing loading, utility model discloses a device can directly perceivedly measure the double row ball assembly work play value (surplus play value) after the pressure equipment of big play bearing appearance spare, the original play design of evaluation bearing. The method is simple and has high accuracy because the steering knuckle and the HUB do not need to be processed. The device required by the method is simple in structure, convenient to operate and high in detection efficiency, and can realize clearance verification of the double-row ball assembly, so that the accuracy and efficiency of the designed clearance verification of the product are improved.
Drawings
Fig. 1 is a schematic perspective view of a double-row ball bearing play verification device in an embodiment.
Fig. 2 is a schematic side view of the double-row ball bearing play verification device in the embodiment.
Fig. 3 is a schematic view of a portion a in fig. 1.
Fig. 4 is a schematic diagram of the use principle of the double-row ball bearing play verification device in the embodiment.
Fig. 5 is a schematic plan view of a hub assembly (large-play bearing sample) under test in the example.
FIG. 6 is a schematic sectional view of a hub assembly (large-play bearing sample) under test in the example.
In the figure: 1. the device comprises a loading cylinder, a loading platform, a column 3, a magnetic support 4, a dial indicator 5, a steel ball 6, a hub assembly 7, a double-row ball bearing 71, a hub 72, a steering knuckle 73, a loading sleeve 8, a flange 81, a flange 82, a support plate 83, a connecting plate 9, a device platform 10, a connecting block 11, a hub assembly tool 12, a loading rod 13, a fixing column 14 and a fixing block.
Detailed Description
In order to better understand the present invention, the technical solution of the present invention is further described below with reference to the following embodiments.
The utility model provides a double-row ball bearing play verifying attachment, includes a double-deck test platform, double-deck test platform is including the loading platform 2 and the device platform 9 of arranging from top to bottom, loading platform 2 is the rectangle, and its four angles department is connected with device platform 9 through stand 3.
The device platform 9 is provided with a hub assembly tool 11, and the hub assembly 7 is fixedly arranged on the hub assembly tool 11 when in use.
The hub assembly tool 11 comprises a fixing piece matched with a connection point on the steering knuckle 73, the fixing piece is connected with the corresponding connection point on the steering knuckle 73 through a bolt, and the fixing piece is fixed on the device platform 9. The fixing piece is a fixing column 13 or a fixing block 14, wherein a bolt hole is formed in the top of the fixing column 13, and a bolt hole is formed in the side face of the fixing block 14. As shown in fig. 4, two fixing posts 13 and a fixing block 14 are provided in the present embodiment.
The loading platform 2 is provided with an axial loading device, the axial loading device is positioned right above a hub 72 in the hub assembly 7, and is fixedly connected with the end face of the hub 72 in use and used for applying axial load to the hub 72. As shown in fig. 4, arrows on both sides.
The axial loading device comprises a loading cylinder 1, a loading sleeve 8 is arranged at the end of the loading cylinder 1, and the loading sleeve 8 is fixedly mounted on the end face of the hub 72 through a bolt and exposes the steel ball 6 when in use. The loading sleeve 8 comprises a flange plate 81 matched with the end face of the hub 72 (fixedly mounted on the end face of the hub 72 through bolts), the left side and the right side of the flange plate 81 are respectively provided with a supporting plate 82, and the upper ends of the supporting plates 82 are connected through a connecting plate 83.
The loading cylinder 1 in the axial loading device can be replaced by a loading motor, and a screw rod mechanism is arranged on an output shaft of the loading motor and is used for being connected with the loading sleeve 8.
The steel ball 6 is placed at the tail hole of a hub 72 of the hub assembly 7 when the steel ball 6 is used, and the diameter of the steel ball 6 is larger than that of the tail hole of the hub 72;
the device is characterized by further comprising a dial indicator 5, wherein the dial indicator 5 is installed on the device platform 9 in an adsorption mode through the magnetic support 4, and when the device is used, a probe of the dial indicator 5 vertically points at the top of the steel ball 6 and coincides with the axis of the double-row ball bearing 71 of the hub assembly 7. The magnetic force support 4 is adsorbed on the device platform 9, so that the device platform 9 is convenient to move and adjust, and the influence of deformation on the measuring result is avoided. As shown in fig. 4, the arrow in the middle.
The principle that this embodiment is based on, the play is verified mainly to whether suitable a kind of verification class work of double-row ball bearing standard component play that the design was accomplished, specifically as follows:
(1) firstly, a large-clearance bearing sample (namely the measured hub assembly 7 in the embodiment and formed by press mounting of the double-row ball bearing 71, the hub 72 and the knuckle 73) which is larger than the specified original clearance (clearance before press mounting) of the double-row ball bearing standard component is manufactured, and the original clearance of the large-clearance bearing sample is a (clearance before press mounting);
(2) after the knuckle 73 and the hub 72 are pressed and mounted on the large-clearance bearing sample, measuring a residual clearance value c (clearance after pressing and mounting);
(3) and (4) calculating the clearance value consumed in the press mounting process by measuring the residual clearance value after press mounting, wherein the clearance amount e is a clearance amount a-c in the press mounting process.
The original clearance value and the residual clearance value of the large-clearance bearing sample piece are measured, so that the clearance quantity e consumed in the whole press fitting process can be calculated, and the appropriate original clearance of the existing double-row ball bearing standard piece can be designed according to the consumed clearance quantity.
A clearance verification method of a double-row ball bearing clearance verification device comprises the following steps:
s1, installing the measured hub assembly 7 on a double-row ball bearing play verification device, wherein the measured hub assembly 7 is a play test sample (namely a large-play bearing sample, wherein the play refers to the play of a double-row ball bearing 71 in the measured hub assembly 7) of which the original play is larger than the original play of the currently designed double-row ball bearing standard component;
s2, placing the steel ball 6 at the tail hole position of the hub 72, pointing the probe of the dial indicator 5 at the top position of the steel ball 6, and coinciding with the axis of the double-row ball bearing 71.
S3, setting the load of the axial loading device as the load required by the play of the measured hub assembly 7, and setting the loading rate and the dwell time; the parameters of the embodiment are that the loading force rate is 100N/min, the pressure maintaining time is 10S and the load is 300N; the output load error of the axial motor is less than or equal to 10N;
s4, after the axial loading device is started to load downwards, recording the numerical value c1 of the dial indicator 5 at the moment, and stopping loading;
s5, after the axial loading device is started to load upwards, recording the numerical value c2 of the dial indicator 5 at the moment, and stopping loading;
s6, the residual play value of the measured hub assembly 7 is c 2-c 1;
and S7, the consumed play amount e in the press fitting process is a-c, wherein a is the original play of the measured hub assembly 7.
And e is compared with the original clearance value e1 of the double-row ball bearing 71 currently designed in the drawing, and if the clearance value is more than-0.04 mm and less than e1-e and less than 0mm, the clearance value of the double-row ball bearing 71 designed in the drawing can be verified to meet the requirement.
The above description is only an example of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the present invention is not limited to the above description.
Claims (9)
1. The utility model provides a double-row ball bearing play verification device which characterized in that: comprises a double-layer test platform which is provided with a test platform,
a hub assembly tool (11) is arranged on the lower layer of the double-layer test platform, and the hub assembly (7) is fixedly arranged on the hub assembly tool (11) when the double-layer test platform is used;
the upper layer of the double-layer test platform is provided with an axial loading device, the axial loading device is positioned right above a hub (72) in the hub assembly (7), and is fixedly connected with the end face of the hub (72) during use and used for applying axial load to the hub (72);
the steel ball bearing is characterized by further comprising a steel ball (6), wherein the steel ball (6) is placed at the tail hole of the hub (72) of the hub assembly (7) in use, and the diameter of the steel ball (6) is larger than that of the tail hole of the hub (72);
the testing device is characterized by further comprising a dial indicator (5), wherein the dial indicator (5) is installed on the double-layer testing platform through a support, and when the testing device is used, a probe of the dial indicator (5) vertically points to the top position of the steel ball (6) and coincides with the axis of a double-row ball bearing (71) of the hub assembly (7).
2. The double row ball bearing play verification device according to claim 1, characterized in that: the double-layer test platform comprises a loading platform (2) and a device platform (9) which are arranged from top to bottom, wherein the loading platform (2) and the device platform (9) are connected in a supporting mode through a plurality of stand columns (3).
3. The double row ball bearing play verification device according to claim 2, characterized in that: the loading platform (2) is rectangular, and four corners of the loading platform are connected with the device platform (9) through the upright posts (3).
4. The double row ball bearing play verification device according to claim 2, characterized in that: the dial indicator (5) is installed on the device platform (9) through the magnetic support (4) in an adsorption mode.
5. The double row ball bearing play verification device according to claim 1, characterized in that: the axial loading device comprises a loading cylinder (1), a loading sleeve (8) is arranged at the end of the loading cylinder (1), and the loading sleeve (8) is fixedly mounted on the end face of the hub (72) through a bolt and exposes the steel ball (6) when the axial loading device is used.
6. The double row ball bearing play verification device according to claim 5, characterized in that: a loading cylinder (1) in the axial loading device can be replaced by a loading motor, and a screw rod mechanism is arranged on an output shaft of the loading motor and is used for being connected with a loading sleeve (8).
7. The double row ball bearing play verification device according to claim 5, characterized in that: the loading sleeve (8) comprises a flange plate (81) matched with the end face of the hub (72), the left side and the right side of the flange plate (81) are respectively provided with a supporting plate (82), and the upper ends of the supporting plates (82) are connected through a connecting plate (83).
8. The double row ball bearing play verification device according to claim 1, characterized in that: the hub assembly tool (11) comprises a fixing piece matched with a connection point on the steering knuckle (73), the fixing piece is connected with the corresponding connection point on the steering knuckle (73) through a bolt, and the fixing piece is fixed on the double-layer test platform.
9. The double row ball bearing play verification device according to claim 8, characterized in that: the fixing piece is a fixing column (13) or a fixing block (14), wherein a bolt hole is formed in the top of the fixing column (13), and a bolt hole is formed in the side face of the fixing block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143005.7U CN212409586U (en) | 2020-06-18 | 2020-06-18 | Double-row ball bearing clearance verification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143005.7U CN212409586U (en) | 2020-06-18 | 2020-06-18 | Double-row ball bearing clearance verification device |
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| CN212409586U true CN212409586U (en) | 2021-01-26 |
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| CN202021143005.7U Active CN212409586U (en) | 2020-06-18 | 2020-06-18 | Double-row ball bearing clearance verification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623689A (en) * | 2020-06-18 | 2020-09-04 | 湖北新火炬科技有限公司 | Double-row ball bearing clearance verification device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623689A (en) * | 2020-06-18 | 2020-09-04 | 湖北新火炬科技有限公司 | Double-row ball bearing clearance verification device and method |
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