CN222670950U - Straightness measuring instrument for measuring driving shaft - Google Patents
Straightness measuring instrument for measuring driving shaft Download PDFInfo
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- CN222670950U CN222670950U CN202420692593.1U CN202420692593U CN222670950U CN 222670950 U CN222670950 U CN 222670950U CN 202420692593 U CN202420692593 U CN 202420692593U CN 222670950 U CN222670950 U CN 222670950U
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- guide rail
- rotating shaft
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- measuring
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Abstract
本实用新型属于测量仪技术领域，特别涉及一种用于驱动轴测量的直线度测量仪，包括底座，底座的顶部两侧分别对称设置有一个转轴台，每个转轴台内均设置有菱形折叠架，菱形折叠架的四个铰接点上均铰接有一个导向块，上、下两个导向块分别滑动设置在竖向导轨的两端，左、右两个导向块分别滑动设置在横向导轨的两端；左、右两个导向块上分别设置有一个支撑轴，且其中一个导向块上旋转设置有一根螺杆，螺杆的一端螺接且贯穿另一个导向块后穿出转轴台；底座上设置有直线导轨，直线导轨上滑动设置有万向支架，万向支架的末端设置有千分表。与现有技术相比，该直线度测量仪的结构简单实用，容易上手，效率更高，成本更低。
The utility model belongs to the technical field of measuring instruments, and particularly relates to a straightness measuring instrument for measuring a drive shaft, comprising a base, a rotating shaft platform symmetrically arranged on both sides of the top of the base, a rhombus folding frame arranged in each rotating shaft platform, a guide block hinged on the four hinge points of the rhombus folding frame, the upper and lower guide blocks are respectively slidably arranged at the two ends of the vertical guide rail, and the left and right guide blocks are respectively slidably arranged at the two ends of the horizontal guide rail; a support shaft is arranged on the left and right guide blocks respectively, and a screw is rotatably arranged on one of the guide blocks, one end of the screw is screwed and penetrates the other guide block and then passes out of the rotating shaft platform; a linear guide is arranged on the base, a universal bracket is slidably arranged on the linear guide, and a micrometer is arranged at the end of the universal bracket. Compared with the prior art, the straightness measuring instrument has a simple and practical structure, is easy to use, has higher efficiency and lower cost.
Description
Technical Field
The utility model belongs to the technical field of measuring instruments, and particularly relates to a straightness measuring instrument for measuring a driving shaft.
Background
At present, the straightness measurement of the driving shaft uses a three-coordinate measuring instrument, and the three-coordinate measuring instrument has high purchase price and has requirements on the professional degree of operators, so that the measuring cost of the driving shaft is too high, and the measuring efficiency is too low. Therefore, the straightness measuring instrument for measuring the driving shaft is simple and practical in structure, can be rapidly operated by the hand, and has certain market demands.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a straightness measuring instrument which is used for measuring a driving shaft and has a simple and practical structure, so as to solve the problems.
The utility model discloses a straightness measuring instrument for measuring a driving shaft, which comprises a base, wherein two sides of the top of the base are symmetrically provided with a rotating shaft table respectively, each rotating shaft table is internally provided with a diamond folding frame, each diamond folding frame comprises four hinge points, each hinge point is hinged with a guide block, each two symmetrical guide blocks are in a group, each rotating shaft table is internally provided with a vertical guide rail and a transverse guide rail, two guide blocks in one group are respectively and slidably arranged at two ends of the vertical guide rail, two guide blocks in the other group are respectively and slidably arranged at two ends of the transverse guide rail, two guide blocks in the transverse guide rail are respectively provided with a supporting shaft, one guide block is rotatably provided with a screw, one end of the screw is in threaded connection with and penetrates through the other guide block and then penetrates out of the rotating shaft table, the base is provided with a linear guide rail, the linear guide rail is slidably provided with a universal bracket, and the tail end of the universal bracket is provided with a dial indicator.
Further, a plurality of guide shafts penetrating through the rotating shaft table and parallel to the linear guide rail are arranged on two sides of the base, a shaft sleeve matched with the guide shafts is arranged on two sides of the rotating shaft table respectively, a locking mechanism is arranged between the rotating shaft table and the guide shafts, and the base is in sliding connection with the rotating shaft table.
Further, each rotating shaft table is provided with scales at the middle of the two supporting shafts.
Further, a level gauge is arranged on the base.
Further, the detecting rod is provided with a lifting table in a sliding mode, a second locking mechanism is arranged between the lifting table and the detecting rod, and the universal bracket is arranged on the lifting table.
Further, one end of the screw rod is provided with a rocking wheel, and a rotating handle is arranged on the rocking wheel.
Further, the linear guide rail is a T-shaped guide rail, and a T-shaped sliding block matched with the T-shaped guide rail is arranged at the bottom of the detection rod.
Compared with the prior art, the straightness measuring instrument has the advantages of simple and practical structure, easy operation, higher efficiency and lower cost. In addition, besides the straightness measurement of the traditional driving shaft, the distance between the two supporting shafts on any rotating shaft table can be independently adjusted, so that the straightness measurement requirement of the driving shaft with the steps is met.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
fig. 3 is a top view of the present utility model.
In the figure, 1, a base; 2, a rotating shaft table, 3, a diamond folding frame, 4, a guide block, 5, a vertical guide rail, 6, a transverse guide rail, 7, a supporting shaft, 8, a screw rod, 9, a linear guide rail, 10, a universal bracket, 11, a dial indicator, 12, a guide shaft, 13, a shaft sleeve, 14, a locking mechanism, 15, scales, 16, a level meter, 17, a detection rod, 18, a lifting table, 19, a second locking mechanism and 20, a driving shaft.
Detailed Description
For a better understanding of the present utility model, embodiments of the present utility model are explained in detail below in conjunction with fig. 1 to 3.
The "front, rear, left, right, up, and down" directions described herein are all based on the "front, rear, left, right, up, and down" directions in fig. 1.
Referring to fig. 1 to 3, the straightness measuring instrument for measuring a driving shaft of the present utility model includes a base 1, two sides of the top of the base 1 are symmetrically provided with a spindle table 2, each spindle table 2 is internally provided with a diamond folding frame 3, each diamond folding frame 3 includes four hinge points, namely an upper hinge point, a lower hinge point, a left hinge point and a right hinge point, each hinge point is hinged with a guide block 4, each two symmetrical guide blocks 4 are in a group, each spindle table 2 is internally provided with a vertical guide rail 5 and a transverse guide rail 6 which are matched with the guide block 4, wherein two guide blocks 4 (up-down direction) of one group are respectively arranged at two ends of the vertical guide rail 5 in a sliding manner, and two guide blocks 4 (left-right direction) of the other group are respectively arranged at two ends of the transverse guide rail 6 in a sliding manner; two guide blocks 4 (left and right directions) positioned in the transverse guide rail 6 are arranged as supporting seats, a rotatable supporting shaft 7 is respectively arranged on the two supporting seats, a screw rod 8 is rotatably arranged on the right guide block 4, one end of the screw rod 8 is in threaded connection and penetrates through the other guide block 4 on the left side to penetrate out of the rotating shaft table 2, a linear guide 9 is arranged on the base 1, a universal bracket 10 is slidably arranged on the linear guide 9, a dial indicator 11 is arranged at the tail end of the universal bracket 10, and after a probe of the dial indicator 11 is contacted with the surface of the driving shaft 20, the driving shaft 20 is rotated and the universal bracket 10 is slid, so that the straightness of the driving shaft 20 is detected according to the index change on the dial indicator 11.
The left guide block 4 screwed on the screw rod 8 can transversely move in the transverse guide rail 6 by forward rotation or reverse rotation of the screw rod 8, so that the diamond-shaped folding frame 3 transversely expands or folds, and the rotating shaft table 2 is simultaneously driven by the left guide block 4 and the right guide block 4 which are hinged to realize interval adjustment. Because the distance between the supporting shafts 7 on the two rotating shaft platforms 2 can be independently adjusted, the straightness measuring instrument can measure the straightness of the common driving shaft 20, and can also measure the straightness of the driving shaft 20 with steps by independently adjusting the distance between the two supporting shafts 7 on any rotating shaft platform 2.
In the preferred technical solution in this embodiment, as shown in fig. 3, considering that the length dimensions of the driving shafts 20 of different types are different, in order to meet the test requirements of the driving shafts 20 of different lengths, two sides of the base 1 are provided with a plurality of guide shafts 12 penetrating through the spindle base 2 and parallel to the linear guide rail 9, two sides of the spindle base 2 are respectively provided with a shaft sleeve 13 matched with the guide shafts 12, a locking mechanism 14 is arranged between the spindle base 2 and the guide shafts 12, the base 1 is slidably connected with the spindle base 2, and by controlling the tightness state of the locking mechanism 14, the connection state of the two spindle bases 2 on the guide shafts 12 can be controlled, and when any locking mechanism 14 is in a release state, the corresponding spindle base 2 can be freely adjusted at the position on the guide shafts 12, and after the position is fixed by the locking state of the locking mechanism 14, the adjustment of the distance between the two spindle bases 2 can be realized.
In the preferred technical solution of this embodiment, as shown in fig. 3, for convenience in adjusting the distance between the two support shafts 7, each of the rotating shaft platforms 2 is provided with a scale 15 at the middle of the two support shafts 7.
In a preferred embodiment of the present invention, as shown in fig. 3, the base 1 is provided with a level 16.
In a preferred technical solution in this embodiment, as shown in fig. 1 and fig. 2, a lifting platform 18 is slidably disposed on the detecting rod 17, a second locking mechanism 19 is disposed between the lifting platform 18 and the detecting rod 17, and the gimbal 10 is disposed on the lifting platform 18.
In a preferred technical solution in this embodiment, the locking mechanism 14 and the second locking mechanism 19 use a jack bolt, and a knob handle is disposed at an end of the jack bolt.
In the preferred technical solution of this embodiment, for convenience in operation, one end of the screw 8 is provided with a rocking wheel, and a rotating handle is provided on the rocking wheel.
In the preferred technical solution in this embodiment, as shown in fig. 2, the linear guide rail 9 is a T-shaped guide rail, and a T-shaped slider adapted to the T-shaped guide rail is disposed at the bottom of the detection rod 17.
In conclusion, compared with the prior art, the straightness measuring instrument has the advantages of simple and practical structure, easiness in handling, higher efficiency and lower detection cost.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420692593.1U CN222670950U (en) | 2024-04-07 | 2024-04-07 | Straightness measuring instrument for measuring driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420692593.1U CN222670950U (en) | 2024-04-07 | 2024-04-07 | Straightness measuring instrument for measuring driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222670950U true CN222670950U (en) | 2025-03-25 |
Family
ID=95045699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420692593.1U Active CN222670950U (en) | 2024-04-07 | 2024-04-07 | Straightness measuring instrument for measuring driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222670950U (en) |
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2024
- 2024-04-07 CN CN202420692593.1U patent/CN222670950U/en active Active
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