CN219798175U - Bearing outer diameter measuring instrument - Google Patents
Bearing outer diameter measuring instrument Download PDFInfo
- Publication number
- CN219798175U CN219798175U CN202321028349.7U CN202321028349U CN219798175U CN 219798175 U CN219798175 U CN 219798175U CN 202321028349 U CN202321028349 U CN 202321028349U CN 219798175 U CN219798175 U CN 219798175U
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- fixedly connected
- center ring
- coaxially
- rod
- center
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- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims 4
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of bearing measuring devices, in particular to a bearing outer diameter measuring instrument, which is characterized in that the upper end of a center ring is coaxially and fixedly connected with a support, the lower end of the support is coaxially and rotatably connected with an adjusting shaft, the adjusting shaft is coaxially and fixedly connected with an adjusting hand wheel, the adjusting shaft is coaxially and fixedly connected with a large driving bevel gear used for driving a centering device, the upper end of the support is coaxially and fixedly connected with a center rod, the upper end of the center rod is fixedly connected with a cross rod, the front end of the cross rod is provided with a graduated scale, the upper end of the cross rod is provided with a through groove, the inner wall of the through groove is fixedly connected with a transverse shaft which is radially arranged along the center ring, the through groove is rotatably connected with a ranging screw, the ranging screw is in threaded connection with a moving block which is in sliding fit with the transverse shaft, the front end of the moving block is fixedly connected with an L-shaped rod, the L-shaped rod is fixedly connected with a pointer which is matched with the graduated scale, the lower end of the moving block is fixedly connected with a vertical rod, and the lower end of the moving block is coaxially and fixedly connected with a probe.
Description
Technical Field
The utility model relates to the technical field of bearing measuring devices, in particular to a bearing outer diameter measuring instrument.
Background
The bearing comprises an outer ring, an inner ring, rolling bodies and a retainer, wherein the rolling bodies are arranged between ball tracks between the inner ring and the outer ring, and the rolling bodies are uniformly spaced by the retainer. In the bearing production process, roundness, coaxiality and other parameters of an axis are required to be measured, wherein the measurement of the outer diameter of a bearing is an important detection item, for the measurement and detection of the outer diameter of the bearing, an inner ring or an outer ring of the bearing is usually required to be placed on a bearing measuring instrument (standard component) specially used for detecting the outer diameter of the bearing, and the outer diameter of the inner ring is detected by utilizing a contact and a meter body arranged on the bearing measuring instrument.
Disclosure of Invention
Aiming at the situation, the utility model provides a bearing outer diameter measuring instrument for overcoming the defects of the prior art, and the technical scheme is that the bearing outer diameter measuring instrument comprises a center ring and is characterized in that a centering device is coaxially arranged at the outer edge of the center ring, a bracket is coaxially and fixedly connected to the upper end of the center ring, an adjusting shaft is coaxially and rotatably connected to the lower end of the bracket, an adjusting hand wheel is coaxially and fixedly connected to the adjusting shaft, a large driving bevel gear for driving the centering device is coaxially and fixedly connected to the adjusting shaft, a center rod is coaxially and fixedly connected to the upper end of the bracket, a transverse rod is fixedly connected to the upper end of the center rod, a graduated scale is arranged along the length direction of the transverse rod, a through groove is formed in the upper end of the transverse rod, a transverse shaft is radially arranged along the center ring, a ranging screw is fixedly connected to the inner wall of the through groove, a moving block in sliding fit with the transverse shaft is rotatably connected to the inner wall of the through groove, an L-shaped rod is fixedly connected to the front end of the moving block, the L-shaped rod is fixedly connected to the L-shaped rod is matched with a graduated scale, and a probe is fixedly connected to the lower end of the pointer.
Preferably, the centering device comprises three horizontal rods which are uniformly distributed around the axis of the central ring and fixedly connected with the central ring, cross slide ways which are radially arranged along the central ring are respectively arranged on the horizontal rods, cross slide blocks are respectively and slidably clamped on the cross slide ways, centering lead screws which are radially arranged along the central ring are respectively and rotationally connected in the cross slide ways, the centering lead screws are respectively and correspondingly laterally connected with cross slide block threads, one end, close to the central ring, of each centering lead screw is respectively extended into the central ring and is respectively and coaxially fixedly connected with a small driven bevel gear, each small driven bevel gear is meshed with a large driving bevel gear, and a centering shaft which is vertically arranged is respectively and fixedly connected with the lower end of each cross slide block.
Preferably, the right end of the ranging screw rod extends out of the cross rod and is coaxially and fixedly connected with a knob.
The utility model has the beneficial effects that:
in the use process, the centering device can be adjusted through the driving of the large driving bevel gear, so that centering shafts at the lower ends of the three cross sliding blocks synchronously move close to or far away from the axis of the center ring, the three centering shafts can be in contact with the inner edge of the inner ring (or the outer ring) of the bearing to be detected, the center rod can be adjusted to coaxially correspond to the inner ring (or the outer ring) of the bearing to be detected, then the position of the moving block can be adjusted through the distance measuring screw rod, the probe fixedly connected with the vertical rod at the lower end of the moving block can be in contact with the outer edge of the inner ring (or the outer ring) of the bearing to be detected, at the moment, the outer diameter is read according to the numerical value of the scale corresponding to the pointer, the probe and the centering shafts are made of stainless steel, the structure is simple, the use is convenient, and the cost is low.
Drawings
Fig. 1 is a perspective view of a first view angle of the present utility model.
Fig. 2 is an enlarged view of the area a in the perspective view at the first angle of view of the present utility model.
Fig. 3 is a partial perspective cross-sectional view from a second perspective of the present utility model.
Fig. 4 is a partial perspective view of a third view of the present utility model.
Fig. 5 is a partial perspective cross-sectional view of a fourth view of the present utility model.
Fig. 6 is a front view of the present utility model.
Fig. 7 is a partial perspective cross-sectional view of a fifth perspective view of the present utility model.
Reference numerals
1. Center ring, 2, bracket, 3, adjusting shaft, 4, adjusting hand wheel, 5, big drive bevel gear, 6, center rod, 7, cross bar, 8, scale, 9, through slot, 10, cross shaft, 11, ranging screw, 12, moving block, 13, L-shaped rod, 14, pointer, 15, vertical rod, 16, probe, 17, horizontal rod, 18, cross slide, 19, cross slide, 20, centering screw, 21, small driven bevel gear, 22, centering shaft, 23, knob, 24, inner ring (or outer ring) of bearing.
Detailed Description
The following describes embodiments of the present utility model in further detail with reference to FIGS. 1-7.
According to the first embodiment, in the use process, the centering device can be adjusted through driving of the large drive bevel gear 5, so that centering shafts 22 at the lower ends of three cross sliders 19 synchronously move close to or far away from the axis of the center ring 1, the three centering shafts 22 can be conveniently contacted with the inner edge of an inner ring (or an outer ring) 24 of a bearing to be detected, the center rod 6 can be adjusted to coaxially correspond to the inner ring (or the outer ring) 24 of the bearing to be detected, then the position of the moving block 12 can be adjusted through the distance measuring screw 11, the probe 16 fixedly connected with a vertical rod 15 at the lower end of the moving block 12 can be contacted with the outer edge of the inner ring (or the outer ring) 24 of the bearing to be detected, at the moment, the outer diameter is read according to the numerical value of a scale 8 corresponding to the pointer 14, the probe 16 and the centering shafts 22 are made of stainless steel materials, the wear is not easy, the structure is simple, the use is convenient, and the cost is low.
In the second embodiment, on the basis of the first embodiment, in the use process of the utility model, firstly, the inner ring (or outer ring) 24 of the bearing to be measured is horizontally placed on a table top, and initially, three cross sliders 19 are uniformly distributed around the outer edge of the center ring 1, after the center ring 1 is approximately coaxially corresponding to the inner ring (or outer ring) 24 of the bearing to be measured, the lower ends of the three horizontal rods 17 are abutted against the upper end surface of the inner ring (or outer ring) 24 of the bearing to be measured, then, the adjusting handwheel 4 in the bracket 2 is shifted clockwise, so that the large driving bevel gear 5 on the adjusting shaft 3 is driven to rotate clockwise, the large driving bevel gear 5 drives each small driven bevel gear 21 to rotate, and then the centering screw 20 fixedly connected with the small driving bevel gear synchronously rotates and drives the cross sliders 19, so that the cross sliders 19 are far away from the axis of the center ring 1 along the cross slideway 18; correspondingly, the adjusting hand wheel 4 is shifted anticlockwise, the large driving bevel gear 5 on the adjusting shaft 3 is driven to rotate anticlockwise, the cross slide blocks 19 can be made to move along the cross slide ways 18 close to the axis of the central ring 1, a measuring operator rotates the hand wheel according to the situation, so that the three cross slide blocks 19 synchronously move and are attached to the inner edge surface of the inner ring (or the outer ring) 24 of the bearing to be measured, coaxiality of the central rod 6 and the inner ring (or the outer ring) 24 of the bearing to be measured is guaranteed, and the outer diameter of the inner ring (or the outer ring) 24 of the bearing to be measured is convenient to measure by the cooperation probe 16. The large driving bevel gear 5 is far larger than the small driven bevel gear 21, so that the position of the cross slide block 19 can be conveniently and rapidly adjusted, and the center rod 6 can be rapidly adjusted to coaxially correspond to the inner ring (or the outer ring) 24 of the bearing to be measured.
In the third embodiment, on the basis of the second embodiment, after the centering device is adjusted, the center rod 6 and the inner ring (or the outer ring) 24 of the bearing to be measured are coaxially corresponding, then the outer diameter can be measured, the moving block 12 is located on the cross rod 7 and far away from the center rod 6, the knob 23 is rotated clockwise, the knob 23 drives the ranging screw 11 in the through groove 9 to rotate, the ranging screw 11 drives the moving block 12 to move along the cross shaft 10 near the axis of the center ring 1, the L-shaped rod 13 and the vertical rod 15 fixedly connected with the moving block 12 synchronously move along, the probe 16 at the lower end of the vertical rod 15 of the pointer 14 contacts the outer edge of the inner ring (or the outer ring) 24 of the bearing to be measured, at this time, the pointer 14 on the L-shaped rod 13 also corresponds to the corresponding score line on the graduated scale 8, and the outer diameter can be read according to the corresponding relation by measuring, and the graduated scale 8 comprises the score line and the corresponding graduation value so as to read the outer diameter of the inner ring (or the outer ring) 24 of the bearing to be measured. A corresponding counter-clockwise rotation of knob 23 will bring the moving block 12 along the transverse axis 10 away from the axis of the central ring 1.
Claims (3)
1. The utility model provides a bearing external diameter measuring apparatu, includes center ring (1), its characterized in that, center ring (1) outer fringe coaxial arrangement has centering device, center ring (1) upper end coaxial fixedly connected with support (2), support (2) lower extreme coaxial rotation is connected with regulating spindle (3), regulating spindle (3) coaxial fixedly connected with regulating hand wheel (4), regulating spindle (3) coaxial fixedly connected with is used for driving centering device's big initiative bevel gear (5), support (2) upper end coaxial fixedly connected with center pole (6), center pole (6) upper end fixedly connected with is along its radial arrangement's horizontal pole (7), scale (8) along its length direction are seted up to horizontal pole (7) front end, through groove (9) along center ring (1) radial arrangement's through groove (9) are seted up to horizontal axis (10) along center ring (1) radial arrangement's inner wall fixedly connected with, through groove (9) inner wall rotation is connected with range finding (11) of transverse axis arrangement, range finding piece (11) are connected with lead screw (12) and lead screw (12) fixed connection lead screw (13), the L-shaped rod (13) is fixedly connected with a pointer (14) matched with the graduated scale (8), the lower end of the moving block (12) is fixedly connected with a vertical rod (15), and the lower end of the vertical rod (15) is coaxially and fixedly connected with a probe (16).
2. The bearing outer diameter measuring instrument according to claim 1, wherein the centering device comprises three horizontal rods (17) which are uniformly distributed around the axis of the center ring (1) and fixedly connected with the center ring (1), cross slide ways (18) which are radially arranged along the center ring (1) are respectively arranged on the horizontal rods (17), cross slide blocks (19) are respectively clamped in the cross slide ways (18) in a sliding manner, centering lead screws (20) which are radially arranged along the center ring (1) are respectively rotationally connected in the cross slide ways (18), the centering lead screws (20) are respectively in threaded connection with the corresponding side cross slide blocks (19), one end of each centering lead screw (20) close to the center ring (1) is respectively extended into the center ring (1) and is respectively and coaxially fixedly connected with a small driven bevel gear (21), each small driven bevel gear (21) is respectively meshed with a large driving bevel gear (5), and a centering mandrel (22) which is vertically arranged is respectively and fixedly connected with the lower ends of the cross slide blocks (19).
3. The bearing outer diameter measuring instrument according to claim 1, wherein the right end of the distance measuring screw rod (11) extends out of the cross rod (7) and is coaxially and fixedly connected with a knob (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321028349.7U CN219798175U (en) | 2023-05-04 | 2023-05-04 | Bearing outer diameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321028349.7U CN219798175U (en) | 2023-05-04 | 2023-05-04 | Bearing outer diameter measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798175U true CN219798175U (en) | 2023-10-03 |
Family
ID=88151570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321028349.7U Active CN219798175U (en) | 2023-05-04 | 2023-05-04 | Bearing outer diameter measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798175U (en) |
-
2023
- 2023-05-04 CN CN202321028349.7U patent/CN219798175U/en active Active
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