CN220489930U - Device for measuring distance between inner hole tables of hub - Google Patents
Device for measuring distance between inner hole tables of hub Download PDFInfo
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- CN220489930U CN220489930U CN202321829114.8U CN202321829114U CN220489930U CN 220489930 U CN220489930 U CN 220489930U CN 202321829114 U CN202321829114 U CN 202321829114U CN 220489930 U CN220489930 U CN 220489930U
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- hub
- measuring
- flat plate
- dial indicator
- lower flat
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- 238000005259 measurement Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a device for measuring the distance between inner hole tables of a hub, which belongs to the technical field of hub measurement equipment and aims to solve the problems that the measurement accuracy does not meet the use requirement or the measurement efficiency is low in the process of measuring the distance between two steps of inner holes of the hub.
Description
Technical Field
The utility model belongs to the technical field of hub measurement equipment, and particularly relates to a device for measuring the distance between inner hole platforms of a hub.
Background
In the automobile manufacturing industry, a hub is an important component of an automobile, play is an important index of a hub bearing product, a play value directly relates to reliability and safety of the automobile, in the process of designing the play of a hub unit, the space between inner hole platforms of the hub is one of key dimensions, and only if the space between inner hole platforms of the hub is accurately measured, the play value of the hub unit can be ensured to be processed within a theoretical design range.
At present, the industry adopts traditional measuring tools such as vernier calipers, micrometer and the like to measure, because the size of the inner hole of the hub is limited, the traditional measuring tools are inconvenient to measure, the measuring precision can not meet the use requirement, the measuring tools interfere with the inner hole, the measuring process is time-consuming and labor-consuming, and human errors are easily caused in the measuring process, so that the measuring result is inaccurate; if three-coordinate measurement is used, although the measurement precision can meet the requirement, the three-coordinate measurement has high requirement on the workpiece, the reference surface of the workpiece measurement position needs to be ensured to be kept horizontal in the measurement process, so that the three-coordinate measurement has low efficiency, is only suitable for small batch spot inspection in a specific environment, has a narrow application range, and cannot meet the requirement of large-batch field operation.
Disclosure of Invention
The utility model aims to provide a device for measuring the distance between inner hole platforms in a hub, and aims to solve the problems in the prior art in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for measuring the distance between inner hole platforms of a hub comprises a fixed seat, a lower flat plate, a middle column, a cylindrical standard part, an upper flat plate and a gauge type universal length measuring tool; the fixed seat is placed on the workbench, the lower flat plate is arranged on the fixed seat, the middle column is vertically arranged on the lower flat plate, the cylindrical standard part is sleeved on the middle column, the upper flat plate is arranged on the top of the cylindrical standard part, the gauge type universal length measuring tool is fixed on the upper flat plate, and a measuring rod of the gauge type universal length measuring tool penetrates through the upper flat plate and contacts with the top of the middle column;
furthermore, the gauge type universal length measuring tool is a dial indicator or a dial indicator, and the structure of the dial indicator or the dial indicator is suitable for the device to measure by adopting a comparison method;
furthermore, the lower flat plate is detachably connected with the fixing seat, so that the lower flat plate is convenient to replace and is suitable for hubs of different types;
furthermore, the middle column is detachably connected with the lower flat plate, so that the replacement is convenient, and the hub is suitable for hubs of different types;
furthermore, the upper end face of the cylindrical standard component is higher than the upper end face of the middle column, and a gap between the upper end face of the cylindrical standard component and the upper end face of the middle column enables a measuring rod of the gauge type universal length measuring tool to play a measuring role.
Compared with the defects and shortcomings of the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, a fixed seat is placed on a workbench, a lower flat plate is arranged on the fixed seat, a middle column is vertically arranged on the lower flat plate, a cylindrical standard part is sleeved on the middle column, an upper flat plate is arranged at the top of the cylindrical standard part, a gauge type universal length measuring tool is fixed on the upper flat plate, the gauge type universal length measuring tool adopts a dial indicator or a dial indicator, and a measuring rod of the dial indicator or the dial indicator passes through the upper flat plate and contacts with the top of the middle column; the height of the cylindrical standard part is determined according to the measured size of the drawing, and the upper end face of the cylindrical standard part is required to be higher than the upper end face of the middle column; firstly, calibrating a dial indicator or a dial indicator through a measuring cylindrical standard part, taking down the cylindrical standard part after calibrating the measuring instrument, loading the measuring instrument into an inner hole of a hub, accurately measuring and calculating the distance between inner hole tables of the hub according to the reading of the dial indicator or the dial indicator, and measuring by adopting a comparison method.
(2) According to the utility model, the fixed seat is detachably connected with the lower flat plate, the middle column is detachably connected with the lower flat plate, the utility model is suitable for hubs of different types, the disassembly is convenient, part of parts can be recycled, and all replacement is not needed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the upper assembly structure;
FIG. 3 is a state diagram of the utility model for measuring hub table spacing;
the reference numerals are as follows: 1-a fixed seat; 2-a lower plate; 3-middle column; 4-a cylindrical standard; 5-upper plate; 6-gauge universal length measuring tool; 7-screws; 8-a hub; h-the distance between the tested tables; 6-1-measuring rod; 8-1 hub boss I; 8-2 hub boss II; 8-3 hub inner holes; 100-upper assembly; 200-lower assembly.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, a device for measuring the distance between inner hole platforms in a hub comprises a fixed seat 1, a lower flat plate 2, a middle column 3, a cylindrical standard part 4, an upper flat plate 5 and a gauge type universal length measuring tool 6.
The fixed seat 1 is placed on a workbench surface, the fixed seat 1 is connected with the lower flat plate 2 through a screw 7, the middle column 3 is vertically arranged on the lower flat plate 2 through the screw 7, and the fixed seat 1, the lower flat plate 2 and the middle column 3 are assembled to form a lower assembly; selecting a cylindrical standard piece 4 according to the measured size required by a drawing, wherein the cylindrical standard piece 4 is sleeved on the middle column 3, and the upper end surface of the cylindrical standard piece 4 is required to be higher than the upper end surface of the middle column 3; an upper plate 5 is arranged on top of the cylindrical standard 4; the gauge type universal length measuring tool 6 is fixed on the upper flat plate 5 through threaded connection, wherein the gauge type universal length measuring tool 6 is a dial indicator or a dial indicator; the measuring rod 6-1 of the dial indicator or dial indicator passes through the upper plate 5 and contacts with the top of the middle column 3, and the upper plate 5 and the dial indicator or dial indicator fixed on the upper plate 5 form an upper assembly 100.
Specific measurement principle and measurement process:
as shown in fig. 1 and 3, firstly, selecting an applicable cylindrical standard component 4 according to the measured bench spacing H of the hub 8 required by a drawing, wherein the upper end surface of the cylindrical standard component 4 is required to be higher than the upper end surface of the middle column 3, and simultaneously, the upper end surface of the cylindrical standard component 4 is required to be lower than the measured bench spacing H of the hub 8; secondly, sleeving the cylindrical standard part 4 on the middle column 3, and taking the upper surface of the lower flat plate 2 as a reference surface to ensure that the lower end surface of the cylindrical standard part 4 is attached to the upper surface of the lower flat plate 2; finally, arranging an upper flat plate 5 on the top of the cylindrical standard component 4, and ensuring that the lower surface of the upper flat plate 5 is attached to the upper end surface of the cylindrical standard component 4; starting to adjust and calibrate the dial indicator or the dial indicator, zeroing the numerical value of the dial indicator or the dial indicator after the adjustment and calibration work is finished, separating the upper assembly 100 from the lower assembly 200, and taking out the cylindrical standard component, wherein the process ensures that the dial indicator or the dial indicator is not collided or the numerical value of the dial indicator is not changed; the measurement of the hole-table spacing in the hub 8 is then started: firstly, the hub 8 is positively placed on the fixed seat 1 of the lower assembly 200, wherein the lower surface of the boss I8-1 is attached to the upper surface of the lower flat plate 2; secondly, the upper assembly 100 is placed into the hub inner hole 8-3, wherein the upper surface of the hub boss II 8-2 is attached to the lower surface of the upper flat plate 5, the process must ensure that the dial indicator or the dial indicator is not collided or the dial value is not changed, finally, the dial value is read, and the hub inner hole table distance H is calculated and obtained by reading the value.
Examples:
according to the requirements of a drawing, the distance H between measured tables is 92.5+0.03-0.07 mm, a cylindrical standard piece 4 is selected, the height of the cylindrical standard piece 4 is 92mm, and the upper end face of a middle column 3 is lower than the upper end face of the cylindrical standard piece 4 by about 0.5-0.6 mm.
First, the present utility model is assembled to form an upper assembly 100 and a lower assembly 200, respectively; secondly, sleeving the cylindrical standard part 4 on the middle column 3, and taking the upper surface of the lower flat plate 2 as a reference surface to ensure that the lower end surface of the cylindrical standard part 4 is attached to the upper surface of the lower flat plate 2; then the upper assembly 100 is horizontally placed on the top of the cylindrical standard component 4, the upper surface of the cylindrical standard component 4 is guaranteed to be attached to the lower surface of the upper flat plate 5, the gauge type universal length measuring tool 6 is adjusted and calibrated after placement is completed, the gauge type universal length measuring tool 6 is a dial indicator, the precision is 0.001, the pressure of the dial indicator is higher than 1mm and 1mm, and then the value of the dial indicator is zeroed; after the adjustment and calibration work is completed, the upper assembly 100 and the lower assembly 200 are separated, the cylindrical standard part 4 is taken out, and the distance between the inner hole tables of the hub 8 is measured immediately: the hub 8 is positively placed on the fixed seat 1, wherein the lower surface of the boss I8-1 is attached to the upper surface of the lower flat plate 2; secondly, the upper assembly 100 is placed into the hub inner hole 8-3, wherein the upper surface of the hub boss II 8-2 is attached to the lower surface of the upper plate 5, careful operation is needed in the process, the dial indicator is ensured not to be collided or the dial value is not changed, the dial value of the dial indicator is finally read to be minus 0.512mm, and a measurement result is obtained according to the calculation of the read value, namely the distance between measured stations is as follows: 92mm- (-0.512) mm = 92.512mm.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a measure device of wheel hub hole platform interval which characterized in that: the device comprises a fixed seat (1), a lower flat plate (2), a middle column (3), a cylindrical standard part (4), an upper flat plate (5) and a gauge type universal length measuring tool (6); the utility model discloses a measuring device, including fixing base (1) and lower flat board (2), lower flat board (2) set up in on fixing base (1), intermediate column (3) vertical set up in on lower flat board (2), cylindric standard part (4) suit in on intermediate column (3), go up flat board (5) set up in the top of cylindric standard part (4), table general length measuring tool (6) are fixed in on last flat board (5), measuring stick (6-1) of table general length measuring tool (6) pass go up flat board (5) and with the top contact of intermediate column (3).
2. A device for measuring hub internal hole bench spacing as defined in claim 1, wherein: the gauge type universal length measuring tool (6) is a dial indicator or a dial indicator.
3. A device for measuring hub internal hole bench spacing as defined in claim 1, wherein: the lower flat plate (2) is detachably connected with the fixing seat (1).
4. A device for measuring hub internal hole bench spacing as defined in claim 1, wherein: the middle column (3) is detachably connected with the lower flat plate (2).
5. A device for measuring hub internal hole bench spacing as defined in claim 1, wherein: the upper end face of the cylindrical standard part (4) is higher than the upper end face of the middle column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321829114.8U CN220489930U (en) | 2023-07-12 | 2023-07-12 | Device for measuring distance between inner hole tables of hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321829114.8U CN220489930U (en) | 2023-07-12 | 2023-07-12 | Device for measuring distance between inner hole tables of hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220489930U true CN220489930U (en) | 2024-02-13 |
Family
ID=89840304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321829114.8U Active CN220489930U (en) | 2023-07-12 | 2023-07-12 | Device for measuring distance between inner hole tables of hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220489930U (en) |
-
2023
- 2023-07-12 CN CN202321829114.8U patent/CN220489930U/en active Active
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