CN211120977U - Crank included angle detection tool for cross crankshaft - Google Patents
Crank included angle detection tool for cross crankshaft Download PDFInfo
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- CN211120977U CN211120977U CN201922400148.5U CN201922400148U CN211120977U CN 211120977 U CN211120977 U CN 211120977U CN 201922400148 U CN201922400148 U CN 201922400148U CN 211120977 U CN211120977 U CN 211120977U
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Abstract
The utility model provides an utensil is examined to crank contained angle of cross bent axle, it includes first locating piece, supporting shoe, cylinder and bolt, be fixed with first locating piece and cylinder on the supporting shoe, the through-hole has been seted up on the cylinder, the through-hole runs through supporting shoe and cylinder, the cylinder is equipped with first screw hole at through-hole position external opening, the bolt spiro union is on first screw hole, the supporting shoe is square with the side that the cylinder was fixed mutually, makes cross bent axle's crank contained angle detect operation convenient, and is efficient.
Description
Technical Field
The utility model relates to a crank throw detection area of cross bent axle especially relates to an utensil is examined to crank throw contained angle of cross bent axle.
Background
The crankshaft is an important accessory of the engine, bears the power output of the engine, and comprises a cross crankshaft, a plane crankshaft and the like, wherein the included angle between crank throws of the cross crankshaft is 90 degrees, the included angle between the crank throws of the plane crankshaft is 180 degrees, and for the detection of the included angle of the crank throws of the cross crankshaft, V-shaped iron and a baffle plate are adopted to simulate the crank throws on a detection platform, and then an angle measuring instrument is used for measurement. The detection process is complex, the operation is troublesome and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a convenient operation and efficient utensil is examined to crank contained angle of cross bent axle.
The technical scheme of the utility model is realized like this: the utility model provides an utensil is examined to crank contained angle of cross bent axle, it includes first locating piece, supporting shoe, cylinder and bolt, be fixed with first locating piece and cylinder on the supporting shoe, the through-hole has been seted up on the cylinder, the through-hole runs through supporting shoe and cylinder, the cylinder is equipped with first screw hole at through-hole position external opening, the bolt spiro union is on first screw hole, the supporting shoe is square with the side that the cylinder was fixed mutually.
On the basis of the above technical scheme, preferably, the support device further comprises a first screw, wherein a second threaded hole is formed in the first positioning block, a third threaded hole is formed in the support block, and the first screw is in threaded connection with the second threaded hole and the third threaded hole to fix the first positioning block and the support block.
Further preferably, the positioning device further comprises two second positioning blocks, the two second positioning blocks are fixed on the supporting block, and the distance between the two second positioning blocks is matched with the length of the first positioning block, so that the first positioning block can be inserted between the two second positioning blocks.
Preferably, the gasket and the support block are provided with a fourth threaded hole at the bottom of the through hole, the gasket is correspondingly provided with two fifth threaded holes, and the two second screws are in threaded connection with the fourth threaded hole and the fifth threaded holes to fix the gasket, the cylinder and the support block.
Still further preferably, the gasket is semi-circular.
The utility model discloses an utensil is examined to cross bent axle's crank contained angle has following beneficial effect for prior art:
(1) the detection device is characterized in that a first positioning block, a supporting block, a cylinder and a bolt are arranged, the first positioning block and the cylinder are fixed on the supporting block, a through hole is formed in the cylinder, the through hole penetrates through the supporting block and the cylinder, a first threaded hole is formed in the position, outward, of the through hole of the cylinder, the bolt is in threaded connection with the first threaded hole, the side face, fixed with the cylinder, of the supporting block is square, and therefore the detection operation of the crank included angle of the cross crankshaft is convenient and efficient;
(2) through the arrangement of the two second positioning blocks, the two second positioning blocks are fixed on the supporting block, the distance between the two second positioning blocks is matched with the length of the first positioning block, so that the first positioning block can be inserted between the two second positioning blocks, and the second threaded hole in the first positioning block is aligned with the third threaded hole in the supporting block more easily.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some 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 perspective view of a side of a crank included angle gauge of a cross crankshaft of the present invention;
FIG. 2 is a front perspective view of the crank included angle gauge of the cross crankshaft of the present invention;
fig. 3 is a position relation diagram between each journal and the first positioning block after the cross crankshaft crank included angle checking fixture and the crankshaft are assembled.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, with reference to fig. 2, the crank included angle detecting device of the cross crankshaft of the present invention includes a first positioning block 1, a supporting block 2, a cylinder 3, a bolt 4, two second positioning blocks 5 and a gasket 6.
The first positioning block 1 is fixed on the supporting block 2 and used for positioning the first connecting rod journal of the crankshaft, so that a circle corresponding to the surface of the first connecting rod journal of the crankshaft is tangent to the first positioning block 1.
The supporting block 2 is fixed with a first positioning block 1 and a cylinder 3, a through hole 31 is formed in the cylinder 3, the through hole 31 penetrates through the supporting block 2 and the cylinder 3, a first threaded hole 32 is formed in the position, facing outwards, of the cylinder 3 at the through hole 31, the bolt 4 is screwed in the first threaded hole 32, and the side face, fixed to the supporting block 2 and the cylinder 3, is square. Thus, when measuring the crank included angle of the cross crankshaft, the crank included angle measuring tool of the cross crankshaft is placed on the detection platform, the front end shaft of the crankshaft is placed in the through hole 31, the crankshaft is rotated at the same time, the circle corresponding to the surface of the first connecting rod journal of the crankshaft is tangent to the first locating block 1, as shown in fig. 3, the plane where the center line of the first connecting rod journal of the crankshaft and the axis of the main journal are located is horizontal to the measurement surface of the detection platform, the bolt 4 is tightened at the moment, the crank included angle measuring tool of the crankshaft and the cross crankshaft is fixed, the height value H1 from the upper surface of the first connecting rod journal to the detection platform is measured by a vernier caliper, then the supporting block 2 is rotated by 90 degrees, the flat plate fixed to the first locating block 1 on the supporting block 2 is rotated to the bottom to be contacted with the detection platform, the fourth connecting rod journal of the crankshaft is located at the position of the first connecting rod journal of the crankshaft, the height value H4 from the upper surface of the fourth connecting, calculating a value H4 of H1-H4, rotating the supporting block 2 by 90 degrees to enable the third connecting rod journal of the crankshaft to be positioned at the position of the first connecting rod journal of the initial crankshaft, measuring a height value H3 from the upper surface of the third connecting rod journal to the inspection platform at the moment by using a vernier caliper, calculating a value H3 of H1-H3, rotating the supporting block 2 by 90 degrees to enable the second connecting rod journal of the crankshaft to be positioned at the position of the first connecting rod journal of the initial crankshaft, measuring a height value H2 from the upper surface of the second connecting rod journal to the inspection platform at the moment by using the vernier caliper, calculating a value H2 of H1-H2, converting a qualified value of a crank angle given by a client into qualified values of H2, H3 and H4 corresponding to the measuring method by calculation, and further judging whether the crank angle of the cross crankshaft is qualified.
Specifically, the fixing device further comprises a first screw, a second threaded hole 11 is formed in the first locating block 1, a third threaded hole is formed in the supporting block 2, and the first screw is in threaded connection with the second threaded hole 11 and the third threaded hole to fix the first locating block 1 and the supporting block 2. So, can be according to the size of the first locating piece 1 of model adjustment of bent axle, make the bent axle homoenergetic of equidimension not use the crank angle to examine utensil and detect, if the bent axle is less, then use great first locating piece 1.
The supporting block 2 is square, and each rotation is a side surface and a measuring surface of the detection platform, so that each rotation of the supporting block 2 is 90 degrees.
And the bolt 4 is used for fixing the crank angle gauge of the crankshaft to be measured and the cross crankshaft.
The two second positioning blocks 5 are used for positioning the first positioning block 1. Specifically, the two second positioning blocks 5 are fixed on the supporting block 2, and the distance between the two second positioning blocks 5 is matched with the length of the first positioning block 1, so that the first positioning block 1 can be inserted between the two second positioning blocks 5. Because the second threaded hole 11 is difficult to align with the third threaded hole, two second positioning blocks 5 are needed to position the first positioning block 1, so that the second threaded hole 11 is aligned with the third threaded hole.
The gasket 6 is used for fixing the crankshaft, specifically, a fourth threaded hole is formed in the positions, located at the bottom of the through hole 31, of the cylinder 3 and the supporting block 2, two fifth threaded holes 61 are correspondingly formed in the gasket 6, and the gasket 6, the cylinder 3 and the supporting block 2 are fixed by screwing the two second screws with the fourth threaded holes and the fifth threaded holes 61. So, can be according to the size of the model adjustment gasket 6 of bent axle, make the bent axle homoenergetic of equidimension not use the crank throw contained angle to examine utensil and detect, if the bent axle is less, then use great gasket 6. Preferably, the gasket 6 is semi-circular, so that the crankshaft is fixed more firmly.
The working principle of the crank included angle gauge of the cross crankshaft is that when the crank included angle of the cross crankshaft is measured, the crank included angle gauge of the cross crankshaft is placed on a detection platform, a crankshaft front end shaft is placed in a through hole 31, the crankshaft is rotated simultaneously, a circle corresponding to the surface of a first connecting rod journal of the crankshaft is tangent to a first locating block 1, as shown in figure three, the plane where the central line of the first connecting rod journal of the crankshaft and the axis of a main journal are located is horizontal to the detection platform measuring surface, a bolt 4 is tightened at the moment, the crank included angle gauge of the crankshaft and the cross crankshaft is fixed, a vernier caliper is used for measuring the height value H1 from the upper surface of the first connecting rod journal to the detection platform at the moment, then a supporting block 2 is rotated by 90 degrees, a flat plate fixed with the first locating block 1 on the supporting block 2 is rotated to the bottom to be contacted with the detection platform, and a fourth connecting rod of the crankshaft is located at the position of the first connecting, measuring the height value H4 from the upper surface of the fourth connecting rod journal to the inspection platform by using a vernier caliper, calculating the value H4 of H1-H4, rotating the supporting block 2 by 90 degrees to enable the third connecting rod journal of the crankshaft to be located at the position of the first connecting rod journal of the initial crankshaft, measuring the height value H3 from the upper surface of the third connecting rod journal to the inspection platform by using the vernier caliper, calculating the value H3 of H1-H3, rotating the supporting block 2 by 90 degrees to enable the second connecting rod journal of the crankshaft to be located at the position of the first connecting rod journal of the initial crankshaft, measuring the height value H2 from the upper surface of the second connecting rod journal to the inspection platform by using the vernier caliper, calculating the value H2 of H1-H2, and converting the qualified numerical value of the crank angle given by a customer into qualified numerical values of H2, H3 and H4 corresponding to the measurement method by calculating, thereby judging whether the crank angle of the cross crankshaft is qualified.
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 (5)
1. The utility model provides an utensil is examined to crank contained angle of cross crankshaft, its includes first locating piece (1), supporting shoe (2), cylinder (3) and bolt (4), its characterized in that: be fixed with first locating piece (1) and cylinder (3) on supporting shoe (2), through-hole (31) have been seted up on cylinder (3), supporting shoe (2) and cylinder (3) are run through in through-hole (31), cylinder (3) are opened outward in through-hole (31) position and are equipped with first screw hole (32), bolt (4) spiro union is on first screw hole (32), supporting shoe (2) are square with cylinder (3) fixed side mutually.
2. The crank included angle gauge of the cross crankshaft of claim 1, characterized in that: the fixing device is characterized by further comprising a first screw, wherein a second threaded hole (11) is formed in the first positioning block (1), a third threaded hole is formed in the supporting block (2), and the first screw is in threaded connection with the second threaded hole (11) and the third threaded hole to fix the first positioning block (1) and the supporting block (2).
3. The crank included angle gauge of the cross crankshaft of claim 2, characterized in that: the positioning device is characterized by further comprising two second positioning blocks (5), wherein the two second positioning blocks (5) are fixed on the supporting block (2), and the distance between the two second positioning blocks (5) is matched with the length of the first positioning block (1) so that the first positioning block (1) can be inserted between the two second positioning blocks (5).
4. The crank included angle gauge of the cross crankshaft of claim 3, characterized in that: the novel cylindrical support is characterized by further comprising a gasket (6) and two second screws, wherein a fourth threaded hole is formed in the position, located at the bottom of the through hole (31), of the cylinder (3) and the support block (2), two fifth threaded holes (61) are correspondingly formed in the gasket (6), and the gasket (6) is fixed with the cylinder (3) and the support block (2) through the two second screws in threaded connection with the fourth threaded holes and the fifth threaded holes (61).
5. The crank included angle gauge of the cross crankshaft of claim 4, wherein: the gasket (6) is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400148.5U CN211120977U (en) | 2019-12-27 | 2019-12-27 | Crank included angle detection tool for cross crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400148.5U CN211120977U (en) | 2019-12-27 | 2019-12-27 | Crank included angle detection tool for cross crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211120977U true CN211120977U (en) | 2020-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922400148.5U Active CN211120977U (en) | 2019-12-27 | 2019-12-27 | Crank included angle detection tool for cross crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211120977U (en) |
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2019
- 2019-12-27 CN CN201922400148.5U patent/CN211120977U/en active Active
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