CN208383045U - A kind of two sections of coaxiality detecting tools - Google Patents
A kind of two sections of coaxiality detecting tools Download PDFInfo
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- CN208383045U CN208383045U CN201820938210.9U CN201820938210U CN208383045U CN 208383045 U CN208383045 U CN 208383045U CN 201820938210 U CN201820938210 U CN 201820938210U CN 208383045 U CN208383045 U CN 208383045U
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- dial gauge
- supporting platform
- dial
- positioning
- positioning bearing
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Abstract
A kind of two sections of coaxiality detecting tools a comprising supporting platform, a dial gauge support rod, two dial gauge mounting rods, two dial gauge bar cramp heads, two dial gauges, a positioning component and three positioning bearing assemblies；One end of the measured bore of one workpiece for measurement is located in supporting platform by three positioning bearing assemblies, two dial gauge mounting rods respectively pass through a dial gauge bar cramp head and are axially movably arranged on dial gauge mounting rod along dial gauge support rod, the gauge outfit of two dial gauges is fixed on the lateral ends of two dial gauge bar cramp heads correspondingly, the gauge outfit of two dial gauges is vertical with dial gauge mounting rod, and the indicator of two dial gauges is connected to respectively on two tested segments of measured bore；Three positioning bearing assemblies include two first positioning bearing assemblies and one second positioning bearing assembly, and two first positioning bearing assemblies are fixed in supporting platform, and the second positioning bearing assembly is moveably mounted in supporting platform.The utility model production is simple, and easy to operate, testing cost is low.
Description
Technical field
The utility model relates to a kind of two sections of coaxiality detecting tools.
Background technique
In machining, there is the multistage of a large amount of same workpieces for measurement to need to carry out concentricity detection, with vibrating motor
For base, the inner stopper hole concentricity that both ends are used to install electric motor end cap is generally required in 0.03-0.05mm, if both ends
Inner stopper concentricity is bad, then will affect the performance of whole motor.Due to needing to detect two sections of concentricity, and motor model
Numerous, for inner stopper diameter range between φ 110- φ 445mm, inner stopper diameter is more than the base weight of φ 200mm will mistake
Weight carries out subsidiary using machining tool, inconvenient, is not easy to observe and occupies lathe resource；And utilize three-dimensional coordinates measurement
Method detection, equipment price is high, and cost of investment is big.Therefore, it is necessary to research and develop a kind of easy tool to complete to detect.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of detection specific purpose tool of two sections of concentricities, the tool
Production is simple, easy to operate, at low cost.
The utility model solve technical problem the technical solution adopted is that: a kind of two sections of coaxiality detecting tools are provided,
Including a supporting platform, a dial gauge support rod, two dial gauge mounting rods, two dial gauge bar cramp heads, two dial gauges,
One positioning component and three positioning bearing assemblies；One end of the measured bore of one workpiece for measurement passes through three positioning bearing assemblies
It being located in supporting platform, dial gauge support rod is located to be vertically fixed in supporting platform in gaging hole and its lower end, and two
Dial gauge mounting rod respectively passes through a dial gauge bar cramp head and dial gauge support is axially movably arranged in along dial gauge support rod
On bar, the gauge outfit of two dial gauges () is fixed on the lateral ends of two dial gauge mounting rods correspondingly, two dial gauges
Gauge outfit is vertical with dial gauge support rod, and the indicator of two dial gauges is connected to respectively on two tested segments of measured bore；Three
Positioning bearing assembly includes two first positioning bearing assemblies and one second positioning bearing assembly, two first positioning bearing groups
Part is fixed in supporting platform, and the second positioning bearing assembly is moveably mounted in supporting platform.
Preferably, a long kidney-shaped hole is offered in supporting platform, the second positioning bearing assembly is movably mounted at kidney-shaped
In long hole.
Preferably, two first positioning bearing assemblies are in mirror settings about the long axis of long kidney-shaped hole in supporting platform.
Preferably, the flatness of supporting platform is 0.01-0.03mm, and working surface roughness is 1.6 μm.
Preferably, supporting platform favours horizontal plane setting, and the angle α between horizontal plane is preferably 10 °~20 °.
Preferably, two dial gauges are oppositely arranged in the circumferential direction of dial gauge support rod.
Preferably, two sections of coaxiality detecting tools of the utility model further include a positioning component, and positioning component includes
One pedestal, on pedestal fixed bearing platform, a positioning screw is threadedly coupled with pedestal, and the head of positioning screw is in tested
The bearing for being radially directed toward the second positioning bearing assembly in hole.
The utility model have the advantage that detection instrument be simple to manufacture, cost bottom, a tool can detect plurality of specifications
Workpiece for measurement.The inner hole of any position of workpiece for measurement can detect, and detect multistage concentricity simultaneously, improve detection efficiency, behaviour
Make simply, data are intuitive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the detection instrument of one preferred embodiment of the utility model.
Fig. 2 is the enlarged diagram of part A shown in Fig. 1.
Fig. 3 is the combination diagram of the positioning bearing assembly and supporting platform of one preferred embodiment of the utility model.
Fig. 4 is the top view of the supporting platform of one preferred embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 to Fig. 4 is please referred to, the detection instrument of the utility model includes 1, dial gauge branch of a supporting platform
The dial gauge mounting rod 2, two of strut 8, two 3, two, dial gauge bar cramp head dial gauge 4, three positioning bearing assembly and one
Positioning component 6 is used to measure two sections of concentricity on workpiece for measurement 7.
As shown in Figure 1, the inner hole opened up on the workpiece for measurement 7 of the utility model includes three sections from top to bottom: lower section I, in
Section II and upper section III, in other some embodiments, the inner hole that is opened up on workpiece for measurement 7 can also for two sections or three sections with
On.
Wherein, one end of the measured bore of workpiece for measurement 7 is vertically oriented by multiple positioning bearing assemblies in Zhi Chengping
On the table top of platform 1.The lower end of dial gauge mounting rod 2 is vertically fixed on open up in supporting platform 1 first by nut, gasket
In mounting hole 1.Two dial gauge mounting rods 2 respectively by a dial gauge bar cramp head 3 along dial gauge support rod 8 axially movably
It is arranged on dial gauge mounting rod 2.The gauge outfit of two dial gauges 2 is fixed on the outside of two dial gauge bar cramp heads 3 correspondingly
One end.The gauge outfit of dial gauge 4 is vertical with dial gauge support rod 8, and the indicator of dial gauge 4 is respectively connected to one section for needing to measure
On.As shown in Figure 1, two dial gauges are connected to respectively on upper section III and lower section I in Fig. 1.
It locks dial gauge 4 after the indicator of dial gauge 4 is retracted 1-2 circle when in use, and can be tested on metering-orifice uniform etc.
Divide ground six differences of label, uniform rotation is tested workpiece for measurement 7, reads the numerical value of two dial gauges, six points respectively and carries out
It records, the concentricity with the absolute value of the difference of minimum value as the lower section I and upper section III of workpiece for measurement is maximized in data and is missed
Difference.When needing to measure the concentricity of lower section I and middle section II, two dial gauges can be adjusted by dial gauge bar cramp head 3 in percentage
The height of table mounting rod 2 so that the indicator of two dial gauges is connected to respectively on lower section I and middle section II, then according to the above method into
Row measurement.
Preferably, 1 flatness of supporting platform is 0.01-0.03mm, working surface roughness is 1.6 μm.It is using simultaneously
When should ensure that 7 hole of supporting platform 1 and workpiece for measurement, the clean no-sundries of positioning surface.
Preferably, supporting platform 1 favours horizontal plane setting, the angle α between horizontal plane is preferably 10 °~20 °,
In this way convenient for gliding using workpiece for measurement 7 itself, the gap between positioning bearing assembly is eliminated.
It, in this way can be in order to observing preferably, two dial gauges 4 are oppositely arranged in the circumferential direction of dial gauge support rod 8.
Position bearing assembly includes two first positioning bearing assembly 5a and one second positioning bearing assembly 5b altogether.With
Two bearings positioning bearing 5b illustrates the structure for positioning bearing assembly.
Please refer to Fig. 3.The positioning bearing assembly of the utility model includes main shaft 51 and the axis for being set in main shaft upper end
Hold 52.The bearing 52 of three positioning bearing assemblies is connected on lower section I.
The lower end of main shaft 51 forms stud.After the lower end of main shaft 51 wears supporting platform 1 downward, pass through nut 53 and gasket
54 are fixed in supporting platform 1.A long kidney-shaped hole 12 is offered in supporting platform 1.First positioning bearing assembly 5a and one the
The difference of two positioning bearing assembly 5b is that the second positioning bearing assembly 5b is movably disposed in long kidney-shaped hole 12；And two
First positioning bearing assembly 5a is fixed in supporting platform 1.Two first positioning bearing assembly 5a are in supporting platform 1 about kidney-shaped
The long axis of long hole 12 is in mirror settings.
Wherein, movement and positioning of the second positioning bearing assembly 5b in long kidney-shaped hole 12 for convenience, the utility model
A preferred embodiment further include positioning component 6.Positioning component 6 includes a pedestal 61, and pedestal 61 is right by two screws 63
It is locked with answering in two the second mounting holes 11 opened up in supporting platform 1.One positioning screw 62 and 61 screw thread of pedestal
Connection.The bearing 52 that is radially directed toward second positioning bearing assembly 5b of the head of positioning screw 62 along measured bore.Two
Second mounting hole 11 is symmetrically disposed in the two sides of long kidney-shaped hole 12.Pedestal 61 is arranged on the long axis of long kidney-shaped hole 12.Its
It when positioning, is pressed by turning positioning screw 62 to the bearing 52 of the second positioning bearing assembly 5b, so that the second positioning bearing group
Gap between the bearing 52 and measured bore of part 5b is small as far as possible, and nut 53, gasket 54 then can be used to position bearing group for second
Part 5b is precisely fixed in supporting platform 1.Before measuring, reversely turning positioning screw 62 releases it.
The utility model have the advantage that detection instrument be simple to manufacture, cost bottom, tool detection plurality of specifications waits for
Workpiece is surveyed, the inner hole of any position of workpiece for measurement can detect, and detect multistage concentricity simultaneously, improve detection efficiency, operation
Simply, data are intuitive.
The above is only the preferred embodiment of the utility model, it is noted that the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of two sections of coaxiality detecting tools, which is characterized in that including a supporting platform (1), a dial gauge support rod
(8), two dial gauge mounting rods (2), two dial gauge bar cramp heads (3), two dial gauges (4), a positioning component (6) and three
Position bearing assembly；One end of the measured bore of one workpiece for measurement (7) is located in supporting platform by three positioning bearing assemblies
(1) on, dial gauge support rod (8) is located to be vertically fixed on supporting platform (1) in gaging hole and its lower end, two dial gauges
Respectively dial gauge branch is axially movably arranged in along dial gauge support rod (8) by a dial gauge bar cramp head (3) in mounting rod (2)
On strut (8), the gauge outfit of two dial gauges (4) is fixed on the lateral ends of two dial gauge mounting rods (2) correspondingly, and two
The gauge outfit of dial gauge (4) is vertical with dial gauge support rod (8), and the indicator of two dial gauges (4) is connected to measured bore respectively
On two tested segments；Three positioning bearing assemblies include two first positioning bearing assemblies (5a) and one second positioning bearing group
Part (5b), two first positioning bearing assemblies (5a) are fixed on supporting platform (1), and the second positioning bearing assembly (5b) is removable
It installs on supporting platform (1) on ground.
2. a kind of two sections of coaxiality detecting tools according to claim 1, which is characterized in that supporting platform opens up on (1)
Have a long kidney-shaped hole (12), the second positioning bearing assembly (5b) is movably mounted in long kidney-shaped hole (12).
3. a kind of two sections of coaxiality detecting tools according to claim 2, which is characterized in that two first positioning bearing groups
Part (5a) is in mirror settings about the long axis of long kidney-shaped hole (12) on supporting platform (1).
4. a kind of two sections of coaxiality detecting tools according to claim 1, which is characterized in that the plane of supporting platform (1)
Degree is 0.01-0.03mm, and working surface roughness is 1.6 μm.
5. a kind of two sections of coaxiality detecting tools according to claim 1, which is characterized in that supporting platform (1) favours
Horizontal plane setting, the angle α between horizontal plane are 10 °~20 °.
6. a kind of two sections of coaxiality detecting tools according to claim 1, which is characterized in that two dial gauges (4) are in percentage
It is oppositely arranged in the circumferential direction of table support rod (8).
7. a kind of two sections of coaxiality detecting tools according to claim 1, which is characterized in that further include a positioning component
(6), positioning component (6) includes a pedestal (61), on pedestal (61) fixed bearing platform (1), a positioning screw (62) with
Pedestal (61) is threadedly coupled, and the head of positioning screw (62) positions bearing assembly along the radially direction second of measured bore
The bearing (52) of (5b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820938210.9U CN208383045U (en) | 2018-06-15 | 2018-06-15 | A kind of two sections of coaxiality detecting tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820938210.9U CN208383045U (en) | 2018-06-15 | 2018-06-15 | A kind of two sections of coaxiality detecting tools |
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| Publication Number | Publication Date |
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| CN208383045U true CN208383045U (en) | 2019-01-15 |
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| CN201820938210.9U Active CN208383045U (en) | 2018-06-15 | 2018-06-15 | A kind of two sections of coaxiality detecting tools |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260747A (en) * | 2019-07-09 | 2019-09-20 | 中国航发哈尔滨东安发动机有限公司 | The compound adjustable bounce of one kind and concentricity test measuring device and detection method |
| CN110345897A (en) * | 2019-06-20 | 2019-10-18 | 中国第一汽车股份有限公司 | A kind of stepped hole accuracy measuring device |
| CN111024024A (en) * | 2019-12-18 | 2020-04-17 | 晋西车轴股份有限公司 | Measuring tool |
| CN111426259A (en) * | 2020-05-12 | 2020-07-17 | 贵州成智重工科技有限公司 | Detection device and method for medium-large-aperture parts |
| CN115930751A (en) * | 2022-12-06 | 2023-04-07 | 中国船舶集团有限公司第七〇七研究所 | Method and device for measuring coaxiality of torque motor |
-
2018
- 2018-06-15 CN CN201820938210.9U patent/CN208383045U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345897A (en) * | 2019-06-20 | 2019-10-18 | 中国第一汽车股份有限公司 | A kind of stepped hole accuracy measuring device |
| CN110345897B (en) * | 2019-06-20 | 2021-08-06 | 中国第一汽车股份有限公司 | Stepped hole precision measuring device |
| CN110260747A (en) * | 2019-07-09 | 2019-09-20 | 中国航发哈尔滨东安发动机有限公司 | The compound adjustable bounce of one kind and concentricity test measuring device and detection method |
| CN111024024A (en) * | 2019-12-18 | 2020-04-17 | 晋西车轴股份有限公司 | Measuring tool |
| CN111426259A (en) * | 2020-05-12 | 2020-07-17 | 贵州成智重工科技有限公司 | Detection device and method for medium-large-aperture parts |
| CN115930751A (en) * | 2022-12-06 | 2023-04-07 | 中国船舶集团有限公司第七〇七研究所 | Method and device for measuring coaxiality of torque motor |
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