CN212645552U - Crankshaft circumference runout detection device - Google Patents
Crankshaft circumference runout detection device Download PDFInfo
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- CN212645552U CN212645552U CN202021218493.3U CN202021218493U CN212645552U CN 212645552 U CN212645552 U CN 212645552U CN 202021218493 U CN202021218493 U CN 202021218493U CN 212645552 U CN212645552 U CN 212645552U
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- crankshaft
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a crankshaft circumference run-out detection device, which relates to the crankshaft field, and in order to achieve the purpose, the technical proposal of the utility model comprises a base, a supporting component and a detection component; the supporting assembly and the detecting assembly are respectively arranged in a group corresponding to the head and the tail of the crankshaft; the support assembly comprises a static wheel and a driving wheel; a sliding column is matched in the sliding hole in a sliding mode, the sliding column and the sliding hole can axially slide and cannot circumferentially rotate, the upper end of the sliding column is matched with the driving wheel in a rotating mode, and sliding teeth are arranged on the side wall of the sliding column and extend into the adjusting hole in a penetrating mode; the adjusting rod is rotationally matched in the adjusting hole, the side wall of the adjusting rod is provided with spiral teeth meshed with the sliding teeth, and the upper end of the adjusting rod extends to the upper end face of the base; the detection assembly comprises a support and a detection meter, the detection meter is fixed on the upper portion of the base through the support, a detection probe of the detection meter is located above the fixed wheel and the driving wheel, the detection can be simply and quickly carried out on the crankshaft end rod, and the detection precision of circumferential runout can be remarkably improved.
Description
Technical Field
The utility model relates to a crankshaft circumference jumping detection device mainly relates to the bent axle field.
Background
In the prior art, the crankshaft shoulder runout detection is completed through a common lathe, during detection, the two ends of a crankshaft are clamped at the two ends of the lathe, then a detection meter is arranged on a lathe tool rest, and the detection meter is moved by moving the tool rest, so that shaft sections at different positions are detected.
SUMMERY OF THE UTILITY MODEL
Not enough to above prior art, the utility model provides a crankshaft circumference detection device that beats, can be simple quick detect the bent axle end lever to the detection precision that the circumference is beated can show the improvement.
In order to achieve the above purpose, the technical scheme of the utility model is that: the device comprises a base, a supporting component and a detection component; the supporting assembly and the detecting assembly are respectively arranged in a group corresponding to the head and the tail of the crankshaft; the support assembly comprises a static wheel and a driving wheel; the fixed wheel and the movable wheel are rotatably positioned above the base, and the axial leads of the fixed wheel and the movable wheel are parallel to each other; the relative position of the static wheel and the base is fixed; a sliding hole and an adjusting hole are vertically formed in the base below the driving wheel, the sliding hole and the adjusting hole are arranged in parallel, and a sliding window communicated with the adjusting hole is formed in the side wall of the sliding hole; a sliding column is matched in the sliding hole in a sliding mode, the sliding column and the sliding hole can axially slide and cannot circumferentially rotate, the upper end of the sliding column is matched with the driving wheel in a rotating mode, and sliding teeth are arranged on the side wall of the sliding column and extend into the adjusting hole in a penetrating mode; the adjusting rod is rotationally matched in the adjusting hole, the side wall of the adjusting rod is provided with spiral teeth meshed with the sliding teeth, and the upper end of the adjusting rod extends to the upper end face of the base; the detection assembly comprises a support and a detection meter, the detection meter is fixed above the base through the support, and a detection probe of the detection meter is located above the fixed wheel and the driving wheel.
The technical principle and the beneficial effects of the utility model are as follows:
when in detection, the end rod part of the crankshaft is placed on the fixed wheel and the movable wheel, the crankshaft is supported by the fixed wheel and the movable wheel, the fixed wheel and the movable wheel can rotate, so the end rod of the crankshaft can do circular motion on the fixed wheel and the movable wheel, then the detection probe of the detection meter is contacted with the outer side wall of the end rod of the crankshaft, even if the fixed wheel, the movable wheel and the detection probe are distributed on the outer side wall of the end rod of the crankshaft, a circle can be determined by three non-coincident points according to the basic properties of the circle, therefore, the circumferential runout condition of the end rod can be detected by rotating the end rod among the fixed wheel, the movable wheel and the detection probe, and by adopting the scheme, the circumferential runout condition of the end rod can be detected as the end rod is contacted with the outer circumference of the end rod, compared with the traditional data obtained by rotating the axis, the scheme can be amplified, the precision can be higher, namely the radial runout data, the outer circumferential sidewall is measured as chord or diameter runout data. And the crankshaft is very convenient to position during measurement, and the end rod of the crankshaft is directly placed on the movable wheel and the fixed wheel without other fixed structures.
The driving wheel is fixed through the sliding column, the sliding column is matched in the sliding hole, so that the position of the driving wheel can be adjusted up and down through the sliding column, the sliding column is provided with sliding teeth meshed with the adjusting rod, the sliding teeth are meshed with spiral teeth on the adjusting rod to form a structure similar to a worm and gear, the sliding column can be driven to slide up and down in the sliding hole by rotating the adjusting rod, the upper height and the lower height of the driving wheel are changed, the upper height and the lower height of the end rod are changed when the height of the driving wheel is adjusted up and down, the end rods at two ends of the crankshaft can be adjusted on the same horizontal plane through the adjusting rod, the influence of external factors can be reduced as much as possible in the process of adjusting and detecting the circumference of the end rod is. The worm gear structure has the self-locking property, and the sliding column is prevented from reversely driving the adjusting rod to move.
Through the principle, this scheme can be simple quick detects the bent axle end rod to the detection precision that the circumference was beated can show and improve.
Preferably, both ends of the adjusting rod are respectively in running fit with both ends of the adjusting hole, the adjusting rod can rotate in the adjusting hole and can not move axially, and the adjusting rod can provide stable driving for the sliding column.
Preferably, a locking nut is matched on the adjusting rod outside the adjusting hole, the locking nut is screwed relative to the upper end face of the base, the adjusting rod is locked through the locking nut, and the stability of the adjusting rod for supporting the sliding column is improved.
Preferably, the upper end of the adjusting rod is provided with a handle, the adjusting rod is locked through the handle and a nut.
Preferably, the below of quiet wheel is provided with the support column, the lower extreme of support column is fixed in on the base, the driving wheel set up in the upper end of support column improves the level of quiet wheel through the support column, the later stage of being convenient for and the cooperation of bent axle end lever.
Preferably, the dead wheel is fixed on the rotating shaft, the rotating shaft is rotationally matched with the upper end of the supporting column, the end part of one end of the rotating shaft extends to the outer side of the supporting column, a crank is arranged at the end part, and the dead wheel can be driven to rotate by shaking the crank, so that the crankshaft is driven to rotate.
Preferably, the support column is fixed with the blocking frame towards the outside, the end part of the blocking frame is inwards provided with the ball worm seat, the ball worm seat is internally matched with a ball in a rotating mode and provided with a round ball, part of the round ball protrudes out of the ball worm seat, and the part of the round ball protruding out of the ball worm seat is abutted against the end face of the end rod, so that the end rod is prevented from moving axially.
Preferably, the support is a universal joint, so that the position of the detection meter can be flexibly changed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments will be briefly described below, it is obvious that the drawings in the following description are only two of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of the matching of the sliding column and the adjusting rod according to the embodiment of the present invention;
fig. 3 is a schematic view of the ball and the end rod according to the embodiment of the present invention.
The device comprises a base 1, a support column 2, a fixed wheel 3, an end rod 4, a blocking frame 5, a ball worm seat 6, an adjusting hole 7, a sliding column 8, a driving wheel 9, a sliding tooth 10, an adjusting rod 11, a handle 12, a spiral tooth 13, a support 14, a detection meter 15 and an adjusting rod ball 16.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the embodiment of the present invention includes a base 1, a supporting component and a detecting component.
The supporting assembly and the detecting assembly are respectively arranged in a group corresponding to the head and the tail of the crankshaft; the support assembly comprises a fixed wheel 3 and a moving wheel 9.
The fixed wheel and the driving wheel 9 are rotatably arranged above the base 1, and the axial leads of the fixed wheel 3 and the driving wheel 9 are parallel to each other.
The relative position of the fixed wheel 3 and the base 1 is fixed. The base 1 below the driving wheel 9 is vertically provided with a sliding hole and an adjusting hole 7, the sliding hole and the adjusting hole 7 are arranged in parallel, and the side wall of the sliding hole is provided with a sliding window communicated with the adjusting hole 7.
A sliding column 8 is in sliding fit in the sliding hole, the sliding column 8 and the sliding hole can axially slide and can not circumferentially rotate, the driving wheel 9 is in sliding fit at the upper end of the sliding column 8, sliding teeth 10 are arranged on the side wall of the sliding column 8, and the sliding teeth 10 penetrate and extend into the adjusting hole 7. An adjusting rod 11 is rotationally matched in the adjusting hole 7, spiral teeth 13 meshed with the sliding teeth 10 are arranged on the side wall of the adjusting rod 11, and the upper end of the adjusting rod 11 extends to the upper end face of the base 1. The driving wheel 9 is fixed through the sliding column 8, the sliding column 8 is matched in the sliding hole, therefore, the position of the driving wheel 9 can be adjusted up and down through the sliding column 8, the sliding column 8 is provided with a sliding tooth 10 meshed with the adjusting rod 11, the sliding tooth 10 is meshed with a spiral tooth 13 on the adjusting rod 11 to form a structure similar to a worm gear, therefore, the situation that the sliding column 8 can be driven to slide up and down in the sliding hole by rotating the adjusting rod 11 can be avoided, the up-down height of the driving wheel 9 is changed, the up-down height of the end rod 4 is changed when the height of the driving wheel 9 is adjusted up and down, the end rods 4 at two ends of the crankshaft can be adjusted on the same horizontal plane through the above steps, the influence of external factors can be reduced as much as possible in the process of adjusting and detecting the circumference. The worm gear structure has the self-locking property, and prevents the sliding column 8 from reversely driving the adjusting rod 11 to move.
The detection assembly comprises a support 14 and a detection meter 15, the detection meter 15 is fixed above the base 1 through the support 14, and a detection probe of the detection meter 15 is positioned above the fixed wheel 3 and the movable wheel 9. The support 14 is a universal joint, so that the position of the detection meter 15 can be flexibly changed.
Two ends of the adjusting rod 11 are respectively in running fit with two ends of the adjusting hole 7, the adjusting rod 11 can rotate in the adjusting hole 7 and can not move axially, and the adjusting rod 11 can provide stable driving for the sliding column 8.
And a locking nut is matched on the adjusting rod 11 outside the adjusting hole 7, the locking nut is screwed relative to the upper end face of the base 1, the adjusting rod 11 is locked through the locking nut, and the stability of the adjusting rod 11 for supporting the sliding column 8 is improved. The upper end of the adjusting rod 11 is provided with a handle, the adjusting rod 11 is adjusted through the handle, and the adjusting rod 11 is locked through a nut.
The below of quiet wheel 3 is provided with support column 2, the lower extreme of support column 2 is fixed in on the base 1, driving wheel 9 set up in the upper end of support column 2, through the level that support column 2 improved quiet wheel 3, the later stage of being convenient for and the cooperation of bent axle end lever 4.
The quiet wheel 3 is fixed in the pivot, the pivot normal running fit in 2 upper ends of support column, one of them one end tip of pivot extends to the outside of support column 2 to this tip is equipped with the crank, through waveing the crank, can drive quiet wheel 3 and rotate, and then drives the crankshaft and rotate.
The support column 2 is fixed with the blocking frame 5 towards the outside, the end part of the blocking frame 5 is inwards provided with the ball worm seat 6, the ball worm seat 6 is matched with a ball in a rotating mode, part of the ball protrudes out of the ball worm seat 6, and the part, protruding out of the ball worm seat 6, of the ball abuts against the end face of the end rod 4, so that the end rod 4 is prevented from moving axially, the end rod 4 is not necessarily rotated in a fixed axis, the end rod 4 possibly beats, the part, contacting with the end face of the end rod 4, of the ball possibly moves, the ball is matched in the ball worm seat 6, the ball can rotate in any direction, the situation that the ball drives the rotating end rod 4 to beat is avoided, and the interference of the ball on the end rod 4 is reduced.
The end rod 4 of the crankshaft is partially placed on the fixed wheel 3 and the moving wheel 9, the crankshaft is supported through the fixed wheel 3 and the moving wheel 9, the fixed wheel 3 and the moving wheel 9 can rotate, so the end rod 4 of the crankshaft can do circular motion on the fixed wheel 3 and the moving wheel 9, then a detection probe of a detection meter 15 is contacted with the outer side wall of the end rod 4 of the crankshaft, even if the fixed wheel 3, the moving wheel 9 and the detection probe are distributed on the outer side wall of the end rod 4 of the crankshaft, a circle can be determined by three non-coincident points according to the basic properties of the circle, therefore, the circumference condition of the end rod 4 can be detected by rotating the end rod 4 among the fixed wheel 3, the moving wheel 9 and the detection probe, and by adopting the scheme, compared with the traditional data obtained by rotating with the axis, the scheme can be amplified and has higher accuracy due to being contacted with the outer circumference of the end rod 4, that is, the run-out data of the radius is measured by the rotation of the shaft center, and the run-out data of the chord or the diameter is measured by the outer circumferential side wall. And the crankshaft is very convenient to position during measurement, and the end rod 4 of the crankshaft is directly placed on the movable wheel 9 and the fixed wheel 3 without other fixed structures.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The crankshaft circumference runout detection device is characterized by comprising a base (1), a support assembly and a detection assembly;
the supporting assembly and the detecting assembly are respectively arranged in a group corresponding to the head and the tail of the crankshaft;
the supporting component comprises a static wheel (3) and a driving wheel (9);
the static wheel and the driving wheel (9) are rotatably positioned above the base (1), and the axial leads of the static wheel (3) and the driving wheel (9) are parallel to each other;
the relative position of the fixed wheel (3) and the base (1) is fixed;
a sliding hole and an adjusting hole (7) are vertically formed in the base (1) below the driving wheel (9), the sliding hole and the adjusting hole (7) are arranged in parallel, and a sliding window communicated with the adjusting hole (7) is formed in the side wall of the sliding hole;
a sliding column (8) is in sliding fit in the sliding hole, the sliding column (8) and the sliding hole can axially slide and cannot circumferentially rotate, the upper end of the sliding column (8) is in sliding fit with the driving wheel (9), sliding teeth (10) are arranged on the side wall of the sliding column (8), and the sliding teeth (10) penetrate through and extend into the adjusting hole (7);
the adjusting rod (11) is rotatably matched in the adjusting hole (7), the side wall of the adjusting rod (11) is provided with a spiral tooth (13) meshed with the sliding tooth (10), and the upper end of the adjusting rod (11) extends to the upper end face of the base (1);
the detection assembly comprises a support (14) and a detection meter (15), the detection meter (15) is fixed above the base (1) through the support (14), and a detection probe of the detection meter (15) is located above the fixed wheel (3) and the driving wheel (9).
2. The crankshaft circumferential runout detecting device according to claim 1, characterized in that: and two ends of the adjusting rod (11) are respectively in running fit with two ends of the adjusting hole (7).
3. The crankshaft circumferential runout detecting device according to claim 1, characterized in that: and a locking nut is matched on the adjusting rod (11) outside the adjusting hole (7), and the locking nut is screwed relatively to the upper end face of the base (1).
4. The crankshaft circumferential runout detecting device according to claim 1, characterized in that: the upper end of the adjusting rod (11) is provided with a handle.
5. The crankshaft circumferential runout detecting device according to claim 1, characterized in that: the below of quiet wheel (3) is provided with support column (2), the lower extreme of support column (2) is fixed in on base (1), driving wheel (9) set up in the upper end of support column (2).
6. The crankshaft circumferential runout detecting device according to claim 5, characterized in that: the fixed wheel (3) is fixed on a rotating shaft, the rotating shaft is in rotating fit with the upper end of the supporting column (2), one end of the rotating shaft extends to the outer side of the supporting column (2), and a crank is arranged at the end of the rotating shaft.
7. The crankshaft circumferential runout detecting device according to claim 6, characterized in that: a blocking frame (5) is fixed to the outer side of the supporting column (2), a ball worm seat (6) is arranged at the end portion of the blocking frame (5) inwards, a ball is rotationally matched in the ball worm seat (6), and the ball partially protrudes out of the ball worm seat (6).
8. The crankshaft circumferential runout detecting device according to claim 1, characterized in that: the support (14) is a universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218493.3U CN212645552U (en) | 2020-06-29 | 2020-06-29 | Crankshaft circumference runout detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218493.3U CN212645552U (en) | 2020-06-29 | 2020-06-29 | Crankshaft circumference runout detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212645552U true CN212645552U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021218493.3U Expired - Fee Related CN212645552U (en) | 2020-06-29 | 2020-06-29 | Crankshaft circumference runout detection device |
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| CN (1) | CN212645552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131325A (en) * | 2021-11-21 | 2022-03-04 | 贵州德科纳精密设备制造有限公司 | Filter core external diameter detects and sealing washer assembly all-in-one |
-
2020
- 2020-06-29 CN CN202021218493.3U patent/CN212645552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131325A (en) * | 2021-11-21 | 2022-03-04 | 贵州德科纳精密设备制造有限公司 | Filter core external diameter detects and sealing washer assembly all-in-one |
| CN114131325B (en) * | 2021-11-21 | 2023-06-02 | 贵州德科纳精密设备制造有限公司 | Filter core external diameter detects and sealing washer assembly all-in-one |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 |