CN217930212U - Crankshaft detection positioning clamping device - Google Patents
Crankshaft detection positioning clamping device Download PDFInfo
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- CN217930212U CN217930212U CN202221711468.8U CN202221711468U CN217930212U CN 217930212 U CN217930212 U CN 217930212U CN 202221711468 U CN202221711468 U CN 202221711468U CN 217930212 U CN217930212 U CN 217930212U
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Abstract
The utility model provides a crankshaft detection position clamping device belongs to bent axle detection technology field. The problem that crankshafts with different shaft diameters cannot be detected is solved. The crankshaft and cone center measuring device comprises a rotating base, a crankshaft measuring working table surface, a cone center, a positioning clamp plate and a Y-shaped positioning clamp plate, wherein the rotating base is installed on the crankshaft measuring working table surface, the cone center is installed on the rotating base, the positioning clamp plate is connected with the Y-shaped positioning clamp plate, the positioning clamp plate and the Y-shaped positioning clamp plate are respectively located on two sides of the cone center and located above the cone center, the Y-shaped positioning clamp plate is installed on the rotating base, and the crankshaft is connected with the cone center. The device is mainly used for detecting crankshafts with different shaft diameters and different lengths.
Description
Technical Field
The utility model belongs to the technical field of the bent axle detects, especially, relate to a bent axle detects position clamping device.
Background
The crankshaft is the most important part of the engine, and the crankshaft bears the force transmitted by the connecting rod and converts the force into torque which is output by the crankshaft and drives other accessories on the engine to work. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. The crankshaft cannot have rotary displacement in the radial direction in the detection process, otherwise, measurement errors can be caused; the crankshaft has strict geometric tolerance requirement, the straightness requirement is 0.004mm, the flatness requirement is 0.005mm, the parallelism requirement is 0.008mm, and the bounce requirement is 0.03mm, so that inaccurate positioning can be caused when two centers and a dial indicator are used for measurement, the measurement result is greatly influenced by human, the measurement error is caused, the test result is influenced, and the crankshafts with different shaft diameters cannot be detected.
Chinese patent publication No. CN203266482U discloses a crankshaft detection supporting device, which includes a first limiting structure for axially limiting one end of a crankshaft to be detected, a second limiting structure for axially limiting the other end of the crankshaft to be detected, a V-shaped block for supporting a main journal of the crankshaft to be detected, a guide rail fixedly disposed on a crankshaft detection platform, a slider disposed at the bottom of the V-shaped block and adapted to the guide rail, and a positioning structure for positioning the V-shaped block in a direction along the guide rail. The utility model provides a bent axle detects strutting arrangement is guaranteeing the accuracy nature that the bent axle detected, when improving the application scope that the bent axle detected anchor clamps, has reduced the bent axle as far as possible and has detected the required expense, has shortened whole man-hour that detects. However, the device needs manual adjustment when in use, is low in efficiency, is completely attached to the supporting device by the gravity of the crankshaft during detection, and can cause measurement errors when the rotating shaft is rotated.
The Chinese patent with the publication number of CN210893188U discloses a crankshaft detection tool device, which comprises a bottom plate, wherein the front end of the bottom plate is fixedly provided with a fixed support V-shaped seat through a bolt, the rear end of the bottom plate is fixedly provided with two parallel sliding guide rails through bolts, a plurality of positioning blocks are fixedly connected on the bottom plate through bolts and are distributed between the two sliding guide rails, and the middle of each positioning block is provided with a pin hole; the movable V-shaped supporting seat is fixedly connected to the movable positioning plate through bolts, the movable positioning plate is arranged on the two sliding guide rails and can slide along the sliding guide rails, the movable positioning plate is provided with a supporting column, a crankshaft clamping mechanism is installed at the top end of the supporting column, the upper end of the crankshaft clamping mechanism is connected with a dead point clamp through a bolt, and the movable V-shaped supporting seat is connected with a plug pin through threads. The utility model belongs to frock on the production line of bent axle improves production efficiency, reduction in production cost on the production line of mainly used bent axle. But the device can not detect crankshafts with different shaft diameters.
Chinese patent publication No. CN210346651 discloses a crankshaft detection device, which improves the precision of crankshaft detection and the diversity of crankshaft detection items. The crankshaft detection device comprises a workbench and is characterized by comprising a crankshaft clamping mechanism, a crankshaft rotating mechanism and a crankshaft detection mechanism, wherein the crankshaft clamping mechanism comprises a first V-shaped block and a second V-shaped block, the first V-shaped block can move back and forth towards the second V-shaped block through a longitudinal moving mechanism, the second V-shaped block is arranged on the workbench through a vertical moving mechanism, and the second V-shaped block can move up and down along the direction perpendicular to the top surface of the workbench through the vertical moving mechanism. This send out with the bent axle dress on bent axle clamping machine constructs, detects the disalignment section of bent axle through bent axle detection mechanism to rotate the bent axle through bent axle slewing mechanism, detect the different positions of bent axle shaft section. The utility model has the advantages of accurate measurement and many measurement items. But the device can not detect crankshafts with different shaft diameters and different lengths.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a bent axle detects position clamping device to solve the problem that can not detect the bent axle of different footpaths.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a crankshaft detection position clamping device, includes rotating base, bent axle measurement table surface, conical centre, locating splint and Y type locating splint, rotating base installs on bent axle measurement table surface, conical centre installs on rotating base, locating splint are connected with Y type locating splint, locating splint and Y type locating splint are located conical centre's both sides and are located conical centre's top respectively, Y type locating splint install on rotating base, the bent axle is connected with conical centre.
Furthermore, two ends of the positioning clamp plate are respectively provided with an adjusting bolt, and the Y-shaped positioning clamp plate is connected with the positioning clamp plate through the two adjusting bolts.
Furthermore, a set of clamping copper blocks is installed on the inner side of the positioning clamping plate, two sets of clamping copper blocks are installed on the inner side of the Y-shaped positioning clamping plate, and the two sets of clamping copper blocks are symmetrically arranged relative to the axis of the conical tip.
Furthermore, a groove is formed in the tail end of the linear portion of the Y-shaped positioning clamp plate, an up-and-down sliding positioning pin is arranged in the groove, and the up-and-down sliding positioning pin is installed on the rotating base.
Furthermore, the up-and-down sliding positioning pin is connected with the Y-shaped positioning splint through an adjusting and clamping mechanism.
Furthermore, the adjusting and clamping mechanism comprises a rotating rod and a clamping block, the clamping block is installed in the Y-shaped positioning clamp plate and attached to the side wall of the vertical sliding positioning pin, the rotating rod is installed on the Y-shaped positioning clamp plate, and the inner end face of the rotating rod is in contact with the clamping block.
Furthermore, the lower end of the up-down sliding positioning pin is provided with a positioning T-shaped block, and the positioning T-shaped block is arranged on the rotating base through a second fixing bolt.
Furthermore, the rotating base is installed on the crankshaft measuring worktable surface through a connecting bolt.
Furthermore, a positioning pin is arranged in the rotating base.
Furthermore, the positioning clamping plate and the Y-shaped positioning clamping plate are connected with the clamping copper block through first fixing bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses utilize the bent axle of copper billet preparation to detect positioning and clamping device, can the at utmost protect the bent axle not receive the bruise.
2. The utility model discloses bent axle detects location clamping device is through the distance between adjustment positioning splint and the Y type positioning splint to can be according to the shaft diameter variation in size, freely adjust, the commonality is extensive, has reduced the different device processing cost of preparation.
3. Y type location splint height-adjusting from top to bottom, it is tight to be applicable to the different length location of bent axle front end clamp, the commonality is extensive.
4. The utility model discloses bent axle detects location clamping device fixes a position accurately, realizes the detection accuracy under the strict condition of geometric tolerances.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
fig. 1 is a schematic structural view of a crankshaft checking position clamping device according to the present invention;
FIG. 2 is a schematic view of the connection between the Y-shaped positioning clamp and the up-down sliding positioning pin according to the present invention;
fig. 3 is a schematic diagram of the crankshaft detection position clamping device connected with the crankshaft.
1-a rotating base, 2-a positioning pin, 3-a crankshaft measuring machine working table surface, 4-a connecting bolt, 5-a conical tip, 6-an adjusting bolt, 7-a positioning clamping plate, 8-a first fixing bolt, 9-a clamping copper block, 10-a Y-shaped positioning clamping plate, 11-an up-and-down sliding positioning pin, 12-a second fixing bolt, 13-a positioning T-shaped block, 14-a rotating rod, 15-a groove, 16-a clamping block and 17-a crankshaft.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely explained below with reference to the drawings in the embodiment of the present invention. It should be noted that, in the case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other, and the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Referring to fig. 1-3 to illustrate the present embodiment, a crankshaft detection positioning and clamping device includes a rotating base 1, a crankshaft measurement worktable top 3, a cone center 5, a positioning clamp plate 7, and a Y-shaped positioning clamp plate 10, where the rotating base 1 is installed on the crankshaft measurement worktable top 3, the cone center 5 is installed on the rotating base 1, the positioning clamp plate 7 is connected with the Y-shaped positioning clamp plate 10, the positioning clamp plate 7 and the Y-shaped positioning clamp plate 10 are respectively located on two sides of the cone center 5 and above the cone center 5, the Y-shaped positioning clamp plate 10 is installed on the rotating base 1, a crankshaft 17 is connected with the cone center 5, the rotating base 1 is installed on the crankshaft measurement worktable top 3 through a connecting bolt 4, and a positioning pin 2 is arranged in the rotating base 1.
When the crankshaft is detected, firstly, the crankshaft 17 is connected with the conical center 5, the conical center 5 is attached to the front end of the crankshaft 17, then the positioning clamp plate 7 is moved relative to the Y-shaped positioning clamp plate 10, the front end of the crankshaft is clamped and fixed, then the clamping degree is adjusted, the crankshaft 17 is firmly fixed on a crankshaft measuring machine, then the rotating base 1 is driven to rotate by the crankshaft measuring machine, synchronous operation of the crankshaft 17 and the crankshaft measuring machine is achieved, cylinder measuring elements at the front end of the crankshaft 17 can be collected, measurement of relevant form and position tolerances of all elements is further achieved, the crankshafts with different diameters can be replaced for measurement by adjusting the distance between the positioning clamp plate 7 and the Y-shaped positioning clamp plate 10, the size of the shaft diameter can be freely adjusted, the universality is wide, and all form and position tolerances such as a main journal of the crankshaft 17, the shaft diameter of a connecting rod and an end face can be accurately measured.
Furthermore, two ends of the positioning clamp plate 7 are respectively provided with an adjusting bolt 6, and the Y-shaped positioning clamp plate 10 is connected with the positioning clamp plate 7 through the two adjusting bolts 6.
Through rotating two adjusting bolts 6, make the relative Y type locating splint 10 removal of locating splint 7, until press from both sides tight back with bent axle 17, continue to rotate adjusting bolt 6, make bent axle 17 can firmly fix, make the device accurate to bent axle 17's location, realize the detection accuracy under the strict condition of form and location tolerance, can be accurate.
Furthermore, a group of clamping copper blocks 9 is installed on the inner side of the positioning clamp plate 7, two groups of clamping copper blocks 9 are installed on the inner side of the Y-shaped positioning clamp plate 10, the two groups of clamping copper blocks 9 are symmetrically arranged relative to the axis of the conical center 5, and the three groups of clamping copper blocks 9 are installed on the positioning clamp plate 7 and the Y-shaped positioning clamp plate 10 through first fixing bolts 8.
The clamping copper blocks 9 are arranged on the positioning clamping plates 7 and the Y-shaped positioning clamping plates 10, so that the crankshaft can be protected from being damaged to the greatest extent, and the measured form and position tolerance is accurate.
The tail end of Y type locating splint 10 linear portion is equipped with recess 15, slide locating pin 11 from top to bottom is equipped with in the recess 15, slide locating pin 11 installs on rotating base 1 from top to bottom, location T type piece 13 is installed to slide locating pin 11's lower extreme from top to bottom, and rotating base 1's bilateral symmetry is equipped with a plurality of locating hole, and two of mutual symmetry are a set of, location T type piece 13 is installed on rotating base 1 through four second fixing bolt 12, and the position of adjusting location T type piece 13 is in two sets of locating holes that are adjacent inserted to the bottom of four second bolts 12.
Through adjusting the appropriate positions of the up-and-down sliding positioning pin 11 and the positioning T-shaped block 13, the height of the device can be adjusted up and down, the device is suitable for positioning and clamping the front end of a crankshaft at different lengths, and the universality is wide.
The upper and lower sliding positioning pins 11 are connected with the Y-shaped positioning clamp plate 10 through an adjusting and clamping mechanism, the adjusting and clamping mechanism comprises a rotating rod 14 and a clamping block 16, the clamping block 16 is installed in the Y-shaped positioning clamp plate 10, the clamping block 16 is attached to the side wall of the upper and lower sliding positioning pins 11, the rotating rod 14 is installed on the Y-shaped positioning clamp plate 10, and the inner end face of the rotating rod 14 is in contact with the clamping block 16.
The clamping block 16 is pushed by the rotary rod 14 to move towards the up-down sliding positioning pin 11, so that the up-down sliding positioning pin 11 can be fastened in the groove 15, after the proper height is adjusted, the up-down sliding positioning pin 11 is fixed at the relative position through the rotary rod 14 and the clamping block 16, a crankshaft 17 can be accurately fixed, the crankshaft 17 can move together with the rotating base 1 along with a crankshaft measuring machine, and further all form and position tolerances such as a main journal, a connecting rod shaft diameter and an end face of the crankshaft 17 can be accurately measured.
The working principle of the device is as follows: when the crankshaft is detected, firstly, the crankshaft 17 is connected with the conical center 5, the conical center 5 is attached to the front end of the crankshaft 17, the two adjusting bolts 6 are rotated, the positioning clamp plate 7 moves relative to the Y-shaped positioning clamp plate 10 until the crankshaft 17 is clamped, the adjusting bolts 6 are continuously rotated to firmly fix the crankshaft 17, the crankshaft 17 is firmly fixed on a crankshaft measuring machine, then the rotating base 1 is driven by the crankshaft measuring machine to rotate, synchronous operation of the crankshaft 17 and the crankshaft measuring machine is realized, cylindrical measuring elements at the front end of the crankshaft 17 can be collected, measurement of relevant form and position tolerances of all elements is realized, the crankshafts with different diameters can be replaced to measure by adjusting the distance between the positioning clamp plate 7 and the Y-shaped positioning clamp plate 10, the size of the shaft diameter can be freely adjusted, the universality is wide, then the clamping block 16 is pushed by the rotary rod 14 to move towards the up-down sliding positioning pin 11, the up-down sliding positioning pin 11 can be fastened in the groove 15, after the crankshaft is adjusted to a proper height, the up-down sliding positioning block 11 is fixed at a relative position, the crankshaft 17 can be accurately positioned, the maximum shaft diameter of the crankshaft 17 can be accurately measured, and the crankshaft can be accurately measured by the spindle neck connecting rod 17, and the spindle neck clamping block 9, and the spindle neck clamping tolerance can be accurately measured without damage degree can be measured, and the spindle neck of the spindle neck.
The embodiment of the present invention disclosed above is only used to help illustrate the present invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention.
Claims (10)
1. The utility model provides a bent axle examines position clamping device which characterized in that: the crankshaft measuring device comprises a rotating base (1), a crankshaft measuring working table top (3), a cone center (5), a positioning clamping plate (7) and a Y-shaped positioning clamping plate (10), wherein the rotating base (1) is installed on the crankshaft measuring working table top (3), the cone center (5) is installed on the rotating base (1), the positioning clamping plate (7) is connected with the Y-shaped positioning clamping plate (10), the positioning clamping plate (7) and the Y-shaped positioning clamping plate (10) are respectively located on two sides of the cone center (5) and located above the cone center (5), the Y-shaped positioning clamping plate (10) is installed on the rotating base (1), and a crankshaft (17) is connected with the cone center (5).
2. The crankshaft indexing clamping device of claim 1, wherein: the two ends of the positioning clamping plate (7) are respectively provided with an adjusting bolt (6), and the Y-shaped positioning clamping plate (10) is connected with the positioning clamping plate (7) through the two adjusting bolts (6).
3. The crankshaft indexing clamping device of claim 1, wherein: a set of clamping copper blocks (9) is installed on the inner side of the positioning clamping plate (7), two sets of clamping copper blocks (9) are installed on the inner side of the Y-shaped positioning clamping plate (10), and the two sets of clamping copper blocks (9) are arranged symmetrically relative to the axis of the conical center (5).
4. The crankshaft indexing clamping device of claim 1, wherein: the tail end of the straight line part of the Y-shaped positioning clamp plate (10) is provided with a groove (15), an upper sliding positioning pin and a lower sliding positioning pin (11) are arranged in the groove (15), and the upper sliding positioning pin and the lower sliding positioning pin (11) are installed on the rotating base (1).
5. The crankshaft indexing clamping device of claim 4, wherein: the up-down sliding positioning pin (11) is connected with the Y-shaped positioning splint (10) through an adjusting and clamping mechanism.
6. The crankshaft indexing clamping device of claim 5, wherein: the adjusting and clamping mechanism comprises a rotary rod (14) and a clamping block (16), the clamping block (16) is installed in a Y-shaped positioning clamping plate (10), the clamping block (16) is attached to the side wall of an upper sliding positioning pin (11) and a lower sliding positioning pin (11), the rotary rod (14) is installed on the Y-shaped positioning clamping plate (10), and the inner end face of the rotary rod (14) is in contact with the clamping block (16).
7. The crankshaft indexing clamping device of claim 4, wherein: the lower extreme of upper and lower slide locating pin (11) is installed and is fixed a position T type piece (13), fix a position T type piece (13) and install on rotating base (1) through second fixing bolt (12).
8. The crankshaft indexing clamping device of claim 1, wherein: the rotary base (1) is installed on the crankshaft measuring working table top (3) through a connecting bolt (4).
9. The crankshaft inspection position clamping device of claim 1, wherein: and a positioning pin (2) is arranged in the rotating base (1).
10. A crankshaft indexing clamping device as claimed in claim 3, wherein: the positioning clamping plate (7) and the Y-shaped positioning clamping plate (10) are connected with a clamping copper block (9) through a first fixing bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221711468.8U CN217930212U (en) | 2022-07-05 | 2022-07-05 | Crankshaft detection positioning clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221711468.8U CN217930212U (en) | 2022-07-05 | 2022-07-05 | Crankshaft detection positioning clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217930212U true CN217930212U (en) | 2022-11-29 |
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ID=84186592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221711468.8U Active CN217930212U (en) | 2022-07-05 | 2022-07-05 | Crankshaft detection positioning clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217930212U (en) |
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2022
- 2022-07-05 CN CN202221711468.8U patent/CN217930212U/en active Active
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