CN217483474U - Roundness detection device for crankshaft damping belt pulley - Google Patents
Roundness detection device for crankshaft damping belt pulley Download PDFInfo
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- CN217483474U CN217483474U CN202221679074.9U CN202221679074U CN217483474U CN 217483474 U CN217483474 U CN 217483474U CN 202221679074 U CN202221679074 U CN 202221679074U CN 217483474 U CN217483474 U CN 217483474U
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Abstract
The utility model relates to the technical field of roundness detection, in particular to a roundness detection device for a crankshaft damping belt pulley, which comprises a base, wherein a carrying platform for placing the belt pulley is movably arranged above the base, and the base is also provided with a driving component for driving the carrying platform to lift; the top surface of base just is located the periphery of microscope carrier and is equipped with and is annular location platform, and the location bench activity is provided with and is annular revolving stage, sliding fit between revolving stage and the location platform, and the top surface bilateral symmetry of revolving stage is provided with range unit. The utility model discloses utilize with the fixed belt pulley of location stick of belt pulley hole looks adaptation, only need when detecting with the belt pulley keep flat on the microscope carrier can, consequently the operation is more convenient, helps improving detection efficiency.
Description
Technical Field
The utility model relates to a roundness detection technical field specifically is a crankshaft damping roundness detection device for belt pulley.
Background
The roundness detection refers to detecting the roundness of a round workpiece so as to judge whether the precision of the workpiece reaches the standard. At present, the crankshaft damping belt pulley is one of important parts in an engine, if the roundness of the crankshaft damping belt pulley does not meet a certain standard, the belt can be broken when the crankshaft damping belt pulley runs at a high speed, and therefore the belt pulley needs to be detected in the production process. In the prior art, utility model patent with publication number CN208313195U provides a crankshaft is roundness detection device for shock attenuation belt pulley. However, in the using process of the technical scheme, the bolt on the sleeve and the bolt on the base need to be unscrewed, the base needs to be taken down, the belt pulley to be measured is vertically placed to penetrate through the sleeve, then the base and the sleeve are fixed, and finally the belt pulley is clamped by the clamping block. Therefore, the assembly process of the belt pulley is too complicated, and the detection efficiency is low. Therefore, the roundness detection device for the crankshaft damping belt pulley is provided to well solve the defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crankshaft damping roundness detection device for belt pulley for solve the problem that proposes among the above-mentioned background art.
The utility model discloses a can realize through following technical scheme: a roundness detection device for a crankshaft damping belt pulley comprises a base, wherein a carrying platform for placing the belt pulley is movably arranged above the base, and the base is also provided with a driving assembly for driving the carrying platform to ascend and descend; the top surface of the base is provided with an annular positioning table at the periphery of the carrying table, the annular rotating table is movably arranged on the positioning table, the rotating table is in sliding fit with the positioning table, and distance measuring devices are symmetrically arranged on two sides of the top surface of the rotating table.
Optionally, a threaded hole is formed in the center of the top surface of the carrying platform, a positioning rod is arranged on the top surface of the carrying platform and at the position of the threaded hole and used for being matched with the inner hole of the belt pulley, and a threaded section is arranged at the bottom end of the positioning rod and is in threaded connection with the threaded hole.
Optionally, the driving assembly employs a lifting cylinder, a cylinder body of the lifting cylinder is fixedly connected to the bottom surface of the base, and a piston rod of the lifting cylinder penetrates through the base and is connected to the bottom surface of the carrying platform.
Optionally, the top surface of the base is vertically provided with a plurality of guide rods, the bottom surface of the carrying platform is provided with guide holes matched with the guide rods, and the guide rods penetrate through the corresponding guide holes.
Optionally, the revolving stage includes roof and lateral wall, roof and lateral wall mutually perpendicular are the style of calligraphy, the roof with the top surface laminating of location platform, the lateral wall with the periphery wall laminating of location platform, the internal surface of lateral wall is equipped with cyclic annular flange, set up on the periphery wall of location platform with the annular slotted hole of cyclic annular flange adaptation, cyclic annular flange activity embedding is at annular slotted hole and sliding fit with it.
Optionally, an inner embedded groove is formed in the top surface of the positioning table in a circumferential circle, balls are uniformly arranged in the inner embedded groove, and the balls are attached to the top wall in a rolling mode.
Compared with the prior art, the utility model provides a crankshaft is roundness detection device for shock attenuation belt pulley possesses following beneficial effect:
1. the belt pulley is fixed by the positioning rod matched with the inner hole of the belt pulley, and the belt pulley only needs to be horizontally placed on the loading platform during detection, so that the operation is more convenient, and the detection efficiency is improved;
2. the utility model discloses a rotate the revolving stage and can detect the circularity of belt pulley, and have between revolving stage and the location platform that cyclic annular flange and ball isotructure are used for improving the stability of revolving stage, consequently help improving measurement accuracy.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view corresponding to the point A in FIG. 1;
fig. 3 is a schematic structural view of the positioning table and the rotating table of the present invention.
In the figure: 1. a base; 2. carrying platform; 3. a positioning table; 4. a rotating table; 401. a top wall; 402. a side wall; 403. an annular flange; 5. a distance measuring device; 6. a threaded hole; 7. a positioning rod; 8. a threaded segment; 9. a lifting cylinder; 10. a guide rod; 11. a guide hole; 12. an annular slot; 13. an embedded groove is formed; 14. and (4) a ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 efforts all belong to the protection scope of the present invention.
Example (b): referring to fig. 1-3, a roundness detection device for a crankshaft damping pulley comprises a base 1, a carrier 2 for placing the pulley is movably arranged above the base 1, and a driving assembly for driving the carrier 2 to lift is further arranged on the base 1, specifically, the driving assembly adopts a lifting cylinder 9, a cylinder body of the lifting cylinder 9 is fixedly connected to the bottom surface of the base 1, and a piston rod of the lifting cylinder 9 penetrates through the base 1 and is connected with the bottom surface of the carrier 2, and is used for directly controlling the carrier 2 to lift; threaded hole 6 has been seted up to the top surface centre of a circle position of microscope carrier 2, and the top surface of microscope carrier 2 just is located threaded hole 6 department and is equipped with location stick 7 for with the hole adaptation of belt pulley, the bottom of location stick 7 has screw thread section 8, screw thread section 8 and 6 threaded connection of screw hole, consequently, can make things convenient for dismouting location stick 7 through screw thread section 8.
It should be noted that in the present embodiment, when detecting pulleys of different specifications, the corresponding positioning rod 7 needs to be replaced.
Further, the top surface of base 1 is equipped with a plurality of guide bars 10 perpendicularly, and guide bar 10 distributes along vertical direction, and the guiding hole 11 with guide bar 10 adaptation is seted up to the bottom surface of microscope carrier 2, and guide bar 10 runs through in corresponding guiding hole 11, and consequently, microscope carrier 2 can go up and down along guide bar 10.
On the basis of the above embodiment, the top surface of the base 1 and the periphery of the carrier 2 are provided with the annular positioning table 3, the annular rotating table 4 is movably arranged on the positioning table 3, the rotating table 4 is in sliding fit with the positioning table 3, and the distance measuring devices 5 are symmetrically arranged on two sides of the top surface of the rotating table 4; in this embodiment, the distance measuring devices 5 are laser distance measuring sensors, and the laser distance measuring sensors are used for emitting laser in the horizontal direction to be aligned with the belt pulley so as to measure the distance, and since the two distance measuring devices 5 are symmetrically distributed, the diameter of the belt pulley can be obtained only by subtracting the measurement results of the initial distance of the two distance measuring devices 5 from the measurement results of the initial distance of the two distance measuring devices 5; when the embodiment is used specifically, the controller is also needed to be used together, and the controller is used for receiving the measurement data of the two distance measuring devices 5 and calculating the diameter of the belt pulley.
In addition, the rotating table 4 comprises a top wall 401 and a side wall 402, as shown in fig. 2, the top wall 401 and the side wall 402 are perpendicular to each other and form a 7-shaped structure, the top wall 401 is attached to the top surface of the positioning table 3, the side wall 402 is attached to the outer peripheral wall of the positioning table 3, an annular flange 403 is arranged on the inner surface of the side wall 402, the annular flange 403 is welded and fixed to the side wall 402, an annular slot 12 matched with the annular flange 403 is formed in the outer peripheral wall of the positioning table 3, and the annular flange 403 is movably embedded in the annular slot 12 and is in sliding fit with the annular slot 12, so that the rotating table 4 can freely rotate around the positioning table 3; the top surface of location platform 3 has seted up interior caulking groove 13 along circumference round, evenly is provided with ball 14 in the interior caulking groove 13, and ball 14 rotates to be connected in interior caulking groove 13, and ball 14 rolls the laminating with roof 401 for stability when improving revolving stage 4 and rotating.
In conclusion, in the specific use process of the embodiment, firstly, the belt pulley to be measured is flatly placed on the carrier 2, the inner hole of the belt pulley penetrates through the positioning rod 7, and then the height of the belt pulley is adjusted through the lifting cylinder 9; during specific measurement, the two distance measuring devices 5 are started, and because the two distance measuring devices 5 are symmetrically distributed, the diameter value of the belt pulley can be obtained by subtracting the measurement result from the initial distance of the two distance measuring devices 5; the maximum diameter and the minimum diameter of the belt pulley are measured by rotating the rotating table 4, and the roundness of the belt pulley is further obtained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a crankshaft damping is roundness detection device for belt pulley, includes base (1), its characterized in that: a carrying platform (2) for placing a belt pulley is movably arranged above the base (1), and a driving assembly for driving the carrying platform (2) to lift is further arranged on the base (1); the top surface of base (1) just is located the periphery of microscope carrier (2) is equipped with and is annular location platform (3), the activity is provided with on location platform (3) and is annular revolving stage (4), revolving stage (4) with sliding fit between location platform (3), the top surface bilateral symmetry of revolving stage (4) is provided with range unit (5).
2. The roundness detection device for the crankshaft damping pulley according to claim 1, characterized in that: the belt pulley structure is characterized in that a threaded hole (6) is formed in the center of the top surface of the carrying platform (2), a positioning rod (7) is arranged on the top surface of the carrying platform (2) and located in the threaded hole (6) and used for being matched with an inner hole of the belt pulley, a threaded section (8) is arranged at the bottom end of the positioning rod (7), and the threaded section (8) is in threaded connection with the threaded hole (6).
3. The roundness detection device for the crankshaft damping pulley according to claim 1, characterized in that: the driving assembly adopts a lifting cylinder (9), the cylinder body of the lifting cylinder (9) is fixedly connected to the bottom surface of the base (1), and a piston rod of the lifting cylinder (9) penetrates through the base (1) and is connected with the bottom surface of the carrying platform (2).
4. The roundness detection device for the crankshaft damping pulley according to claim 1, characterized in that: the top surface of the base (1) is vertically provided with a plurality of guide rods (10), the bottom surface of the carrying platform (2) is provided with guide holes (11) matched with the guide rods (10), and the guide rods (10) penetrate through the corresponding guide holes (11).
5. The roundness detection device for the crankshaft damping pulley according to claim 1, characterized in that: revolving stage (4) include roof (401) and lateral wall (402), roof (401) and lateral wall (402) mutually perpendicular are 7 fonts, roof (401) with the top surface laminating of location platform (3), lateral wall (402) with the periphery wall laminating of location platform (3), the internal surface of lateral wall (402) is equipped with cyclic annular flange (403), seted up on the periphery wall of location platform (3) with annular slotted hole (12) of cyclic annular flange (403) adaptation, cyclic annular flange (403) activity embedding is at annular slotted hole (12) and sliding fit with it.
6. The roundness detection device for the crankshaft damping pulley according to claim 5, characterized in that: the top surface of location platform (3) has seted up along circumference a round in-slot (13), evenly be provided with ball (14) in-slot (13), ball (14) with roof (401) roll the laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679074.9U CN217483474U (en) | 2022-07-01 | 2022-07-01 | Roundness detection device for crankshaft damping belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679074.9U CN217483474U (en) | 2022-07-01 | 2022-07-01 | Roundness detection device for crankshaft damping belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217483474U true CN217483474U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221679074.9U Active CN217483474U (en) | 2022-07-01 | 2022-07-01 | Roundness detection device for crankshaft damping belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217483474U (en) |
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2022
- 2022-07-01 CN CN202221679074.9U patent/CN217483474U/en active Active
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