CN208419848U - A kind of crankshaft symmetry degree gauge - Google Patents
A kind of crankshaft symmetry degree gauge Download PDFInfo
- Publication number
- CN208419848U CN208419848U CN201821035917.5U CN201821035917U CN208419848U CN 208419848 U CN208419848 U CN 208419848U CN 201821035917 U CN201821035917 U CN 201821035917U CN 208419848 U CN208419848 U CN 208419848U
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- China
- Prior art keywords
- crankshaft
- slide
- positioning fixture
- symmetry degree
- compression bar
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- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 4
- 239000000788 chromium alloy Substances 0.000 claims description 4
- FXNGWBDIVIGISM-UHFFFAOYSA-N methylidynechromium Chemical compound [Cr]#[C] FXNGWBDIVIGISM-UHFFFAOYSA-N 0.000 claims description 4
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 3
- 244000152100 Sorbus torminalis Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of crankshaft symmetry degree gauges, it include positioning fixture and measuring mechanism, the measuring mechanism includes horizontal workbench, the measurement seat and dial gauge of connection on the table, adjustment bracket is provided on the measurement seat, the adjustment bracket includes the column being fixed on measurement seat, the first slide being slidably connected on column, the second slide for being fixedly connected on the horizon bar of first slide and being slidably connected on horizon bar, the first slide and second slide are provided with holding screw with latched position, the dial gauge is mounted in the second slide；The positioning fixture is placed on the table, the positioning fixture is rectangle, upper surface is gone to be provided with the V-groove for placing crankshaft, left side and right side are each provided with two groups of balance pads along vertical plane arrangement, portal frame is also connected with above the positioning fixture, compression bar is connected on the portal frame, the lower end of the compression bar is provided with briquetting to compress crankshaft.
Description
Technical field
The utility model relates to detection instrument technical field, specifically a kind of crankshaft symmetry degree gauge.
Background technique
Crankshaft is common component on electromechanical equipment, such as the crankshaft of the crankshaft of compressor, engine, in order to obtain
Better stability of rotation, and reduce noise, it is desirable that crank throw diameter has symmetry requirement to benchmark, and the benchmark generallyd use is crankshaft
Keyway, since the shaft part that crankshaft itself is multistage decentraction is formed by connecting, it is difficult to fixed clamping, the measurement method generallyd use
It is hand dipping, and the mode error of hand dipping is big, measurement accuracy is not high, and by the proficiency of worker, efficiency is lower, it is difficult to
Meet large-scale production requirement.
Summary of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of crankshaft symmetry degree gauge, efficient detection crankshaft
Symmetry, measurement is precisely, easy to operate, time-consuming short, meets large-scale production requirement.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of crankshaft symmetry degree gauge, includes positioning fixture and measuring mechanism, and the measuring mechanism includes level
Workbench, connection measurement seat and dial gauge on the table, be provided with adjustment bracket, the adjustment on the measurement seat
Bracket includes the column being fixed on measurement seat, the first slide being slidably connected on column, is fixedly connected on first slide
Horizon bar and the second slide that is slidably connected on horizon bar, the first slide and second slide are provided with clamp screw
With latched position, the dial gauge is mounted in the second slide nail；The positioning fixture is placed on the table, described fixed
Position fixture is rectangle, and upper surface is gone to be provided with the V-groove for placing crankshaft, and left side and right side are each provided with two groups along one
The balance pad of vertical plane arrangement, the positioning fixture top is also connected with portal frame, compression bar is connected on the portal frame, described
The lower end of compression bar is provided with briquetting to compress crankshaft.
As an improvement of the above technical solution, threaded hole is provided in the middle part of the portal frame, the compression bar passes through screw thread
It is screwed in the threaded hole.
As a further improvement of the above technical scheme, the upper end of the compression bar is provided with handwheel, the surface of the handwheel
It is provided with anti-skid chequer, the briquetting is plastic-steel product.
It is further improved, the two side walls of the V-groove of the positioning fixture are provided with high carbon chromium alloy cushion block.
It is further improved, the V-groove bottom surface of the positioning fixture is additionally provided with keyway fixture block to cooperate the keyway of crankshaft fixed
Position.
It is further improved, the portal frame is bolted on above the positioning fixture.
It is further improved, the measurement seat is magnetic stand.
The beneficial effects of the utility model are: crankshaft is placed in the V-groove of positioning fixture, locked by compression bar, briquetting
Crankshaft avoids shaking, and when measurement first calibrates dial gauge, then that the left side patch of positioning fixture is on the table and mobile, makes
The measuring head of dial gauge contacts crankshaft, measures the dimensional discrepancy of symmetry, judges whether the crankshaft closes according to the reading of dial gauge
Lattice；It is again that the right side patch of positioning fixture is on the table and mobile, so that the measuring head of dial gauge is contacted crankshaft, measures symmetry
Dimensional discrepancy, judge whether the crankshaft qualified according to the reading of dial gauge.Easy to operate, measurement efficiency is high, meets extensive
The demand of operation reduces cost of labor, and measurement accuracy is high, and consistency is good.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the right view of positioning fixture in the utility model；
Fig. 2 is the main view of the utility model；
Fig. 3 is the top view of positioning fixture in the utility model.
Specific embodiment
Referring to Fig.1~Fig. 3, a kind of crankshaft symmetry degree gauge include positioning fixture 1 and measuring mechanism, the measurement
Mechanism includes horizontal workbench 21, the measurement seat 22 being connected on workbench 21 and dial gauge 23, it is preferred that the survey
Amount seat 22 is magnetic stand, arbitrarily can move and position, and use is more convenient, is provided with adjustment bracket on the measurement seat 22,
It is described adjustment bracket include be fixed on measurement seat 22 on column 221, be slidably connected on column 221 first slide 222,
The second slide 224 for being fixedly connected on the horizon bar 223 of first slide 222 and being slidably connected on horizon bar 223, described
One slide 222 and second slide 224 are provided with holding screw with latched position, and it is sliding that the dial gauge 23 is mounted on described second
On seat 224；The positioning fixture 1 is placed on workbench 21, and the positioning fixture 1 is rectangle, is gone to upper surface to be provided with and is used for
The V-groove of crankshaft is placed, left side and right side are each provided with two groups of balance pads 16 along vertical plane arrangement, guarantee left side
It is attached to the flatness on workbench 21 with right side, portal frame 11, the portal frame 11 are also connected with above the positioning fixture 1
On be connected with compression bar 12, the lower end of the compression bar 12 is provided with briquetting 13 to compress crankshaft, it is preferred that the portal frame 11 passes through
Bolt is fixed on 1 top of positioning fixture, and easy to disassemble and replacement different size portal frame 11 improves versatility.In order to
Facilitate adjustment, it is preferred that the middle part of the portal frame 11 is provided with threaded hole, and the compression bar 12 is screwed in the screw thread by screw thread
Kong Zhong, the upper end of the compression bar 12 are provided with handwheel 14, and the surface of the handwheel 14 is provided with anti-skid chequer, and the briquetting 13 is modeling
Steelwork avoids collision crankshaft, improves turn handwheel 14, can move up and down briquetting 13, facilitate operation.Using the above structure,
Standard component is first improved before measurement and calibrates dial gauge 23, and crankshaft is placed in the V-groove of positioning fixture 1, passes through compression bar 12, briquetting 13
Crankshaft is locked, avoids shaking, then the left side of positioning fixture 1 is attached on workbench 21 and is moved, makes the survey of dial gauge 23
It measures head and contacts crankshaft, measure the dimensional discrepancy of symmetry, judge whether the crankshaft is qualified according to the reading of dial gauge 23；It will determine again
The right side of position fixture 1 is attached on workbench 21 and movement, so that the measuring head of dial gauge 23 is contacted crankshaft, measures the ruler of symmetry
Very little deviation judges whether the crankshaft is qualified according to the reading of dial gauge 23.Easy to operate, measurement efficiency is high, meets extensive make
The demand of industry reduces cost of labor, and measurement accuracy is high, and consistency is good.
In the present embodiment, it is preferred that the two side walls of the V-groove of the positioning fixture 1 are provided with high carbon chromium alloy pad
For block 15 to support crankshaft, high carbon chromium alloy wear-resisting performance is good, improves service life.In the present embodiment, it is preferred that the positioning
The V-groove bottom surface of fixture 1 is additionally provided with keyway fixture block 17 to cooperate the keyway of crankshaft to position, and is further determined using keyway fixture block 17
Position crankshaft, avoids crank rotation, is conducive to the precision for improving measurement.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, should all fall into the utility model
Within protection scope.
Claims (7)
1. a kind of crankshaft symmetry degree gauge, it is characterised in that: include positioning fixture (1) and measuring mechanism, the measuring machine
Structure includes horizontal workbench (21), the measurement seat (22) being connected on workbench (21) and dial gauge (23), the survey
Adjustment bracket is provided in amount seat (22), the adjustment bracket includes the column (221) being fixed in measurement seat (22), sliding
The first slide (222) that is connected on column (221), the horizon bar (223) for being fixedly connected on first slide (222) and sliding
The second slide (224) being connected on horizon bar (223), the first slide (222) and second slide (224) are provided with tightly
Screw is determined with latched position, and the dial gauge (23) is mounted on the second slide (224)；The positioning fixture (1) is placed
On workbench (21), the positioning fixture (1) is rectangle, and upper surface is gone to be provided with the V-groove for placing crankshaft, left side
Two groups of balance pads (16) along vertical plane arrangement are each provided with right side, are also connected with dragon above the positioning fixture (1)
Door frame (11) is connected with compression bar (12) on the portal frame (11), and the lower end of the compression bar (12) is provided with briquetting (13) to press
Tight crankshaft.
2. a kind of crankshaft symmetry degree gauge according to claim 1, it is characterised in that: set in the middle part of the portal frame (11)
It is equipped with threaded hole, the compression bar (12) is screwed in the threaded hole by screw thread.
3. a kind of crankshaft symmetry degree gauge according to claim 2, it is characterised in that: the upper end of the compression bar (12) is arranged
Have handwheel (14), the surface of the handwheel (14) is provided with anti-skid chequer, and the briquetting (13) is plastic-steel product.
4. a kind of crankshaft symmetry degree gauge according to claim 1, it is characterised in that: the V-groove of the positioning fixture (1)
Two side walls be provided with high carbon chromium alloy cushion block (15).
5. a kind of crankshaft symmetry degree gauge according to claim 4, it is characterised in that: the V-groove of the positioning fixture (1)
Bottom surface is additionally provided with keyway fixture block (17) to cooperate the keyway of crankshaft to position.
6. a kind of crankshaft symmetry degree gauge according to claim 5, it is characterised in that: the portal frame (11) passes through bolt
It is fixed on above the positioning fixture (1).
7. a kind of crankshaft symmetry degree gauge according to claim 1, it is characterised in that: the measurement seat (22) is magnetic power meter
Seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035917.5U CN208419848U (en) | 2018-06-29 | 2018-06-29 | A kind of crankshaft symmetry degree gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035917.5U CN208419848U (en) | 2018-06-29 | 2018-06-29 | A kind of crankshaft symmetry degree gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208419848U true CN208419848U (en) | 2019-01-22 |
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ID=65107958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821035917.5U Active CN208419848U (en) | 2018-06-29 | 2018-06-29 | A kind of crankshaft symmetry degree gauge |
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| Country | Link |
|---|---|
| CN (1) | CN208419848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108194A (en) * | 2019-04-30 | 2019-08-09 | 广州雅新金属制品有限公司 | The measurement method of crankshaft symmetry |
-
2018
- 2018-06-29 CN CN201821035917.5U patent/CN208419848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108194A (en) * | 2019-04-30 | 2019-08-09 | 广州雅新金属制品有限公司 | The measurement method of crankshaft symmetry |
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