CN219996077U - Fixing device for detecting coaxiality of stepped shaft - Google Patents
Fixing device for detecting coaxiality of stepped shaft Download PDFInfo
- Publication number
- CN219996077U CN219996077U CN202321186407.9U CN202321186407U CN219996077U CN 219996077 U CN219996077 U CN 219996077U CN 202321186407 U CN202321186407 U CN 202321186407U CN 219996077 U CN219996077 U CN 219996077U
- Authority
- CN
- China
- Prior art keywords
- stepped shaft
- arc
- base
- fixing device
- coaxiality
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000000523 sample Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of stepped shaft detection, in particular to a fixing device for detecting coaxiality of a stepped shaft, which comprises a base for fixing the lower end of the stepped shaft, wherein two upright posts are arranged on the base, a transverse plate is connected between the two upright posts, an arc-shaped limiting groove for installing the upper end of the stepped shaft is formed in the side wall of the transverse plate, and the fixing device further comprises an arc-shaped fixing block which is detachably connected with the transverse plate through bolts and used for limiting the stepped shaft in the arc-shaped limiting groove. According to the utility model, the two stand columns are arranged on the base, the transverse plate is erected through the two stand columns, the arc-shaped limiting groove for fixing the stepped shaft is arranged on the transverse plate, and the upper end of the stepped shaft is fixed in the arc-shaped limiting groove through the arc-shaped fixing block, so that the two ends of the stepped shaft are respectively fixed, deflection and tilting in the detection process of the stepped shaft are avoided, and the safety of the measurement process and the accuracy of the measurement result are improved.
Description
Technical Field
The utility model relates to the technical field of stepped shaft detection, in particular to a fixing device for detecting the coaxiality of a stepped shaft.
Background
The stepped shaft is a shaft part commonly used in machining, and for the stepped shaft with high machining requirements, coaxiality of shaft sections of the stepped shaft needs to be detected through a three-coordinate measuring instrument. In the detection process, the probe of the three-coordinate measuring instrument contacts with the surface of the workpiece to obtain points, the workpiece needs to be fixed in order to ensure the safety of the probe and the measurement precision, and because the detection points need to be distributed around the periphery of the stepped shaft, the existing fixing device generally fixes one end of the stepped shaft on the detection table, but the stepped shaft with larger length is stable in the mode, the bottom of the stepped shaft is stressed more, the risk of deflection and tilting exists, the measurement result is influenced, and the workpiece, the clamp or the probe and the like can be damaged when serious.
Therefore, a technical scheme is needed at present to solve the technical problems that fixation is unstable and deflection and dumping risks exist when coaxiality detection is carried out on a stepped shaft with a large length.
Disclosure of Invention
The utility model aims at: the fixing device for the coaxiality detection of the stepped shaft is provided for solving the technical problems that in the prior art, when the coaxiality of the stepped shaft with a large length is detected, the stepped shaft is unstable to fix and has deflection and dumping risks.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a fixing device for step shaft axiality detects, is including the base that is used for fixed step shaft lower extreme, be equipped with two stands on the base, even have the diaphragm between two stands, the diaphragm lateral wall is equipped with the arc spacing groove of installation step shaft upper end, still includes the arc fixed block, the arc fixed block pass through the bolt with the diaphragm is detachable to be connected for restrict step shaft in the arc spacing groove.
When the fixing device for detecting the coaxiality of the stepped shaft is used, the lower end of the stepped shaft is fixed on the base, the upper end of the stepped shaft is abutted against the arc-shaped limiting groove on the side wall of the transverse plate, the arc-shaped fixing block is connected with the transverse plate through the bolt, the upper end of the stepped shaft is limited in the arc-shaped limiting groove, the two ends of the stepped shaft are respectively fixed, deflection and tilting in the detection process of the stepped shaft are avoided, and the safety in the measurement process and the accuracy of the measurement result are improved.
As a preferable scheme of the utility model, the base is provided with a circular fixing groove, a rubber seat is detachably arranged in the circular fixing groove, and a limiting hole for installing the stepped shaft is formed in the rubber seat. The fixing of the stepped shaft on the base is realized, and the rubber seat can be replaced on the base, so that the rubber seat with the limiting holes of different sizes is replaced in the circular fixing groove, and the installation of the stepped shaft of different sizes can be adapted to the base.
As a preferable scheme of the utility model, extension sections are respectively arranged on two sides of the arc-shaped fixing block, connecting holes are arranged on the extension sections, each connecting hole is internally provided with the bolt, and threaded holes matched with the bolts are respectively arranged on two sides of the arc-shaped limiting groove. The detachable connection of the arc-shaped fixing block and the transverse plate is realized.
As a preferred embodiment of the present utility model, the column can be extended or shortened. The height of the transverse plate can be adapted to the installation of stepped shafts of different heights.
As a preferable scheme of the utility model, the upright post comprises a rod body and an air cylinder, the air cylinder is arranged on the base, the upright post is connected with the telescopic end of the air cylinder, and the transverse plate is connected with the rod body. The rod body can be driven to move up and down through the air cylinder, so that the whole length of the upright post can be lengthened or shortened, and the height of the transverse plate can be matched with stepped shafts with different heights.
As a preferred embodiment of the present utility model, the cylinder is capable of sliding on the base to adjust the position of the cross plate. When the size of the upper end of the stepped shaft is changed, the upper end of the stepped shaft cannot be abutted against the arc-shaped limiting groove, and the upright post can slide on the base at the moment so as to adjust the horizontal position of the transverse plate, so that the arc-shaped limiting groove can be abutted against the upper end of the stepped shaft with the changed size.
As a preferable scheme of the utility model, two T-shaped sliding grooves are arranged on the base, the two T-shaped sliding grooves are arranged in parallel, the bottom of the air cylinder is connected with a sliding block, and the bottom of the sliding block is provided with a lug matched with the T-shaped sliding grooves. The sliding of the stand column on the base is realized, and meanwhile, the T-shaped sliding groove is utilized to limit the convex blocks at the bottom of the sliding block, so that the sliding block is prevented from being separated from the base in the sliding process.
As a preferable scheme of the utility model, the sliding block is provided with a fastening screw hole, a limit bolt is arranged in the fastening screw hole, and the limit bolt is tightly propped against the upper surface of the base. After the sliding block moves, the sliding block and the base are relatively fixed through the limiting bolts, so that the displacement of the vertical column in the detection process is avoided, and the clamping stability of the stepped shaft is ensured.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
according to the utility model, the two stand columns are arranged on the base, the transverse plate is erected through the two stand columns, the arc-shaped limiting groove for fixing the stepped shaft is arranged on the transverse plate, and the upper end of the stepped shaft is fixed in the arc-shaped limiting groove through the arc-shaped fixing block, so that the two ends of the stepped shaft are respectively fixed, deflection and tilting in the detection process of the stepped shaft are avoided, and the safety of the measurement process and the accuracy of the measurement result are improved.
Drawings
FIG. 1 is a schematic structural view of a fixing device for detecting coaxiality of a stepped shaft according to the present utility model;
FIG. 2 is a schematic view of the cross plate structure of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 1;
fig. 4 is an enlarged view at B in fig. 1;
the marks in the figure: the device comprises a 1-base, a 11-round fixing groove, a 12-T-shaped sliding groove, a 2-upright post, a 21-rod body, a 22-cylinder, a 3-transverse plate, a 31-arc limiting groove, a 4-arc fixing block, a 41-extension section, a 5-bolt, a 6-rubber seat, a 61-limiting hole, a 7-sliding block, a 71-lug, a 72-fastening screw hole, a 73-limiting bolt and an 8-stepped shaft.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the fixing device for detecting the coaxiality of the stepped shaft of the embodiment comprises a base 1 for fixing the lower end of the stepped shaft 8, two upright posts 2 are arranged on the base 1, a transverse plate 3 is connected between the two upright posts 2, an arc-shaped limit groove 31 for installing the upper end of the stepped shaft 8 is formed in the side wall of the transverse plate 3, the fixing device further comprises an arc-shaped fixing block 4, and the arc-shaped fixing block 4 is detachably connected with the transverse plate 3 through a bolt 5 and used for limiting the stepped shaft 8 in the arc-shaped limit groove 31.
When the measuring device is used, the lower end of the stepped shaft 8 is fixed on the base 1, the upper end of the stepped shaft 8 is propped against the arc-shaped limiting groove 31 on the side wall of the transverse plate 3, the arc-shaped fixing block 4 is connected with the transverse plate 3 through the bolt 5, the upper end of the stepped shaft 8 is limited in the arc-shaped limiting groove 31, the two ends of the stepped shaft 8 are respectively fixed, deflection and tilting in the detection process of the stepped shaft 8 are avoided, and the safety of the measuring process and the accuracy of the measuring result are improved.
Specifically, be equipped with circular fixed slot 11 on the base 1, the detachable rubber seat 6 that is equipped with in the circular fixed slot 11, be equipped with the spacing hole 61 that is used for installing step shaft 8 on the rubber seat 6, realized step shaft 8 fixed on base 1, rubber seat 6 can be changed on base 1 moreover to change the rubber seat 6 that has different size spacing hole 61 in circular fixed slot 11, and then make the installation that can adapt to different sizes step shaft 8 on the base 1.
Specifically, the arc fixed block 4 both sides are equipped with extension section 41 respectively, be equipped with the connecting hole on the extension section 41, every all be furnished with in the connecting hole bolt 5, arc spacing groove 31 both sides be equipped with respectively with the screw hole of bolt 5 adaptation has realized the detachable of arc fixed block 4 and diaphragm 3 and has been connected.
Example 2
As shown in fig. 1, 2, 3 and 4, this embodiment is different from embodiment 1 in that the column 2 can be extended or shortened.
In this embodiment, the height of the cross plate 3 can be adapted to the installation of stepped shafts 8 of different heights.
Specifically, the upright post 2 comprises a rod body 21 and an air cylinder 22, the air cylinder 22 is arranged on the base 1, the upright post 2 is connected with the telescopic end of the air cylinder 22, the transverse plate 3 is connected with the rod body 21, and the rod body 21 can be driven to move up and down through the air cylinder 22, so that the whole length of the upright post 2 is lengthened or shortened, and the height of the transverse plate 3 can be matched with the stepped shaft 8 with different heights.
Further, the cylinder 22 can slide on the base 1 to adjust the position of the transverse plate 3, when the size of the upper end of the stepped shaft 8 is changed, the upper end of the stepped shaft 8 cannot be abutted against the arc-shaped limit groove 31, and the upright post 2 can slide on the base 1 at this time to adjust the horizontal position of the transverse plate 3, so that the arc-shaped limit groove 31 can be abutted against the upper end of the stepped shaft 8 with the changed size.
Specifically, be equipped with two T type spouts 12 on the base 1, two T type spout 12 mutual parallel arrangement, the cylinder 22 bottom even has slider 7, slider 7 bottom be equipped with the lug 71 of T type spout 12 adaptation has realized the slip of stand 2 on the base 1, utilizes T type spout 12 to have spacing effect to the lug 71 of slider 7 bottom simultaneously, avoids slider 7 to break away from base 1 in the slip process.
Further, the sliding block 7 is provided with a fastening screw hole 72, a limit bolt 73 is arranged in the fastening screw hole 72, the limit bolt 73 is tightly propped against the upper surface of the base 1, after the sliding block 7 moves, the sliding block 7 and the base 1 are relatively fixed through the limit bolt 73, displacement of the upright post 2 in the detection process is avoided, and stable clamping of the stepped shaft 8 is ensured.
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, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a fixing device for step shaft axiality detects, its characterized in that, including base (1) that is used for fixed step shaft (8) lower extreme, be equipped with two stand (2) on base (1), even have diaphragm (3) between two stand (2), diaphragm (3) lateral wall is equipped with arc spacing groove (31) of installation step shaft (8) upper end, still includes arc fixed block (4), arc fixed block (4) pass through bolt (5) with diaphragm (3) detachable connection for restrict step shaft (8) in arc spacing groove (31).
2. The fixing device for detecting the coaxiality of the stepped shaft according to claim 1, wherein the base (1) is provided with a circular fixing groove (11), a rubber seat (6) is detachably arranged in the circular fixing groove (11), and a limiting hole (61) for installing the stepped shaft (8) is formed in the rubber seat (6).
3. The fixing device for detecting the coaxiality of the stepped shaft according to claim 1, wherein extension sections (41) are respectively arranged on two sides of the arc-shaped fixing block (4), connecting holes are formed in the extension sections (41), the bolts (5) are respectively arranged in each connecting hole, and threaded holes matched with the bolts (5) are respectively formed on two sides of the arc-shaped limiting groove (31).
4. The stepped shaft coaxiality detection fixing device according to claim 1, wherein the column (2) can be extended or shortened.
5. The fixing device for detecting the coaxiality of the stepped shaft according to claim 4, wherein the upright (2) comprises a rod body (21) and a cylinder (22), the cylinder (22) is arranged on the base (1), the upright (2) is connected with the telescopic end of the cylinder (22), and the transverse plate (3) is connected with the rod body (21).
6. The stepped shaft coaxiality detection fixing device according to claim 5, wherein the cylinder (22) is slidable on the base (1) to adjust the position of the cross plate (3).
7. The fixing device for detecting the coaxiality of the stepped shaft according to claim 6, wherein the base (1) is provided with two T-shaped sliding grooves (12), the two T-shaped sliding grooves (12) are arranged in parallel, the bottom of the air cylinder (22) is connected with a sliding block (7), and the bottom of the sliding block (7) is provided with a lug (71) matched with the T-shaped sliding grooves (12).
8. The fixing device for detecting the coaxiality of the stepped shaft according to claim 7, wherein the sliding block (7) is provided with a fastening screw hole (72), a limit bolt (73) is arranged in the fastening screw hole (72), and the limit bolt (73) is tightly propped against the upper surface of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321186407.9U CN219996077U (en) | 2023-05-17 | 2023-05-17 | Fixing device for detecting coaxiality of stepped shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321186407.9U CN219996077U (en) | 2023-05-17 | 2023-05-17 | Fixing device for detecting coaxiality of stepped shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219996077U true CN219996077U (en) | 2023-11-10 |
Family
ID=88612980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321186407.9U Active CN219996077U (en) | 2023-05-17 | 2023-05-17 | Fixing device for detecting coaxiality of stepped shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219996077U (en) |
-
2023
- 2023-05-17 CN CN202321186407.9U patent/CN219996077U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8028430B2 (en) | Height measurement apparatus | |
| CN106352768A (en) | Adjustable testing device | |
| CN219996077U (en) | Fixing device for detecting coaxiality of stepped shaft | |
| CN220960975U (en) | High strength screw fastening detection device | |
| CN220083891U (en) | Reinforcing bar diameter detection device | |
| CN210719086U (en) | Static disc detection device of scroll compressor | |
| CN216049641U (en) | Silicon flatness detection device | |
| CN214792948U (en) | Two-hole parallelism measuring and detecting tool | |
| CN211904022U (en) | Guide rail parallelism detection platform | |
| CN210374862U (en) | Cylinder center measurement auxiliary assembly | |
| CN209927394U (en) | High-precision corrugated pipe ring rigidity testing device | |
| CN216593100U (en) | Device for measuring bottom thickness of workpiece | |
| CN106767223B (en) | A kind of double fixed outside micrometer monitor stations | |
| CN215676780U (en) | Linear guide rail detection device | |
| CN213209721U (en) | Multi-gauge-length large-deformation extensometer | |
| CN214407399U (en) | Measuring tool fixing device of length measuring machine | |
| CN213932476U (en) | Levelness measuring device | |
| CN203615877U (en) | General measuring device for inner and outer screw thread tapers | |
| CN213809808U (en) | On-spot mapping device of building engineering cost | |
| CN221945172U (en) | Spring beam height measuring device | |
| CN206803875U (en) | Cubing | |
| CN219572994U (en) | Calibration pedestal device of road displacement sensor | |
| CN212843374U (en) | Part chamfer inclined plane appearance position symmetry detection device | |
| CN217484584U (en) | Quick alignment prism device | |
| CN215598270U (en) | Detection apparatus for metal router casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |