CN211855163U - Axle center bore measuring device - Google Patents
Axle center bore measuring device Download PDFInfo
- Publication number
- CN211855163U CN211855163U CN202020669091.9U CN202020669091U CN211855163U CN 211855163 U CN211855163 U CN 211855163U CN 202020669091 U CN202020669091 U CN 202020669091U CN 211855163 U CN211855163 U CN 211855163U
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- measuring
- support frame
- base
- welded
- rod
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- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an axle core bore measuring device, the on-line screen storage device comprises a base, the welding is at the bracing piece of base top one end and welds in the first fixing base at bracing piece top, the first bubble spirit level of base top center department fixedly connected with, the support frame that bracing piece one end welding has "L" shape structure is kept away from at the base top, the welding of support frame top one end has the telescopic link, the welding has the second fixing base bottom the telescopic link, the support frame is kept away from scale one side and is opened there is the spout, sliding connection has the slider in the spout, slider one side is connected with the measuring stick through the tripod, the welding has the pointer on the measuring stick is close to slider one end. The utility model is provided with two bubble gradienters, which ensures that the measuring rod is positioned on the horizontal line during measurement, thereby reducing the error; the graduated scale can slide on the support frame, and is fixed with fastening bolt, prevents the graduated scale landing, increases the error, and makes things convenient for the reading.
Description
Technical Field
The utility model relates to an internal diameter measurement technical field especially relates to an axle center internal diameter measuring device.
Background
At present, the requirement of error precision of products in various manufacturing fields is very high, wherein the requirement includes the inner diameter size, and fine errors in some high-precision products can cause that all the products cannot be well matched, so that finished products are scrapped.
In order to accurately measure the inner diameter of the shaft center, chinese patent (application No. 201320427429.X, publication No. CN 203337062U) discloses an inner diameter measuring device, which perfectly solves the limitation condition of the existing measuring device, but when measuring the inner diameter of the shaft center, there is an error because the measured position is the inner diameter, which cannot be accurately determined.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a shaft center diameter measuring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an axle core bore measuring device, includes the base, welds the bracing piece in base top one end and welds in the first fixing base at bracing piece top, base top center department fixedly connected with first bubble spirit level, the bracing piece one end welding is kept away from at the base top has the support frame of "L" shape structure, support frame top one end welding has the telescopic link, and the welding of telescopic link bottom has the second fixing base, open support frame one side has the spout, sliding connection has the slider in the spout, and slider one side is connected with the measuring stick through the tripod, the welding of measuring stick on being close to slider one end outer wall has the pointer, the welding of slider one end center department is kept away from to the measuring stick has the measurement steel needle, the welding of measuring stick top center department has.
Preferably, the top of the first fixing seat and the bottom of the second fixing seat are both arc-shaped, and rubber anti-slip pads are bonded on the outer walls of the arc-shaped surfaces.
Preferably, the telescopic rod comprises a sleeve and a connecting rod slidably mounted in the sleeve, and the outer wall of the sleeve is screwed with a fastening bolt which forms fastening fit with the connecting rod.
Preferably, the bottom of the measuring steel needle and the tip of the pointer are on the same horizontal line.
Preferably, one side of the pointer is in contact with one side of the graduated scale on which the graduation lines are marked.
Preferably, the outer wall of one side of the support frame is provided with a slot, the slot is internally and slidably connected with a graduated scale, one side of the slot is provided with a threaded opening, and the threaded opening is internally and threadedly connected with a fastening bolt.
The utility model has the advantages that:
1. the two bubble gradienters are arranged to ensure that the whole measuring device is positioned on a horizontal plane when the shaft to be measured is placed, the shaft to be measured is positioned on a vertical line when the shaft to be measured is placed, the contact positions of the measuring steel needle are the lowest position and the highest position of the shaft to be measured, and the measuring rod is positioned on a horizontal line when the measuring steel needle is used for measuring, so that errors are reduced;
2. the scale can slide on the support frame, and when measuring the steel needle and contact the minimum of measuring the volume of waiting, the scale that upwards slides makes the scale bottom just in time be in the pointer position, fixes with fastening bolt, prevents the scale landing, increase error, and makes things convenient for the reading.
Drawings
Fig. 1 is a schematic structural diagram of an axial center diameter measuring device according to the present invention;
fig. 2 is a schematic top view of the axial inner diameter measuring device according to the present invention.
In the figure: the device comprises a base 1, a supporting rod 2, a first fixing seat 3, a first bubble level meter 4, a supporting frame 5, a telescopic rod 6, a second fixing seat 7, a graduated scale 8, a measuring rod 9, a sliding block 10, a pointer 11, a measuring steel needle 12 and a second bubble level meter 13.
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.
Referring to fig. 1-2, an axle center diameter measuring device comprises a base 1, a support rod 2 welded at one end of the top of the base 1 and a first fixed seat 3 welded at the top of the support rod 2, wherein the top of the first fixed seat 3 and the bottom of a second fixed seat 7 are both arc-shaped, rubber anti-slip pads are bonded on the outer wall of the arc-shaped surface, a first bubble level meter 4 is fixedly connected at the center of the top of the base 1, a support frame 5 with an L-shaped structure is welded at one end of the top of the base 1, which is far away from the support rod 2, a telescopic rod 6 is welded at one end of the top of the support frame 5, a second fixed seat 7 is welded at the bottom of the telescopic rod 6, the telescopic rod 6 comprises a sleeve and a connecting rod which is slidably mounted in the sleeve, a fastening bolt is screwed on the outer, and the slot sliding connection has scale 8, and open slot one side has the screw thread mouth, and screw thread mouth internal thread connection has fastening bolt, open 5 one side of support frame has the spout, sliding connection has slider 10 in the spout, and slider 10 one side is connected with measuring stick 9 through the tripod, the welding has pointer 11 on the measuring stick 9 is close to slider 10 one end outer wall, measuring stick 9 keeps away from slider 10 one end center department welding has measurement steel needle 12, measurement steel needle 12 bottom and pointer 11 pointed end are in on same water flat line, pointer 11 one side contacts with the one side that scale 8 was carved with the scale, measuring stick 9 top center department welding has second bubble spirit level 13.
The working principle is as follows: the device is placed on a table top, the position is adjusted, so that air bubbles in the first air bubble level gauge 4 are in the middle position, the whole device is positioned on the horizontal plane, the shaft to be measured is placed on the first fixing seat 3, the length of the telescopic rod 6 is adjusted, the second fixing seat 7 is in contact with the top of the shaft to be measured, the arc surfaces of the first fixing seat 3 and the second fixing seat 7 are provided with rubber antiskid blocks, the shaft to be measured is prevented from sliding to generate errors during measurement, at the moment, when the measuring rod 9 is slid, and the measuring steel needle 12 is in contact with the inner wall of the bottom of the shaft to, adjusting 9 slider one ends of measuring stick, making measuring stick 9 be in the water flat line, slip scale 8, make 8 bottoms of scale align with 11 pointed ends of pointer, screw up fastening bolt this moment, slip measuring stick 9, make and measure steel needle 12 and contact the internal wall of the axle top of awaiting measuring, keep measuring stick 9 to be in the water flat line, the reading of 11 pointed end positions of pointer is exactly the internal diameter of the axle of awaiting measuring.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A shaft center diameter measuring device comprises a base (1), a supporting rod (2) welded at one end of the top of the base (1) and a first fixing seat (3) welded at the top of the supporting rod (2), and is characterized in that a first bubble level meter (4) is fixedly connected at the center of the top of the base (1), a support frame (5) of an L-shaped structure is welded at one end of the top of the base (1) far away from the supporting rod (2), a telescopic rod (6) is welded at one end of the top of the support frame (5), a second fixing seat (7) is welded at the bottom of the telescopic rod (6), a sliding groove is formed in one side of the support frame (5), a sliding block (10) is connected in the sliding groove in a sliding mode, a measuring rod (9) is connected to one side of the sliding block (10) through a tripod, a pointer (, the measuring rod (9) is far away from the center of one end of the sliding block (10) and is welded with a measuring steel needle (12), and the center of the top of the measuring rod (9) is welded with a second bubble level meter (13).
2. The axial center diameter measuring device according to claim 1, wherein the top of the first fixing seat (3) and the bottom of the second fixing seat (7) are both arc-shaped, and rubber anti-slip pads are bonded on the outer walls of the arc-shaped surfaces.
3. The device for measuring the inner diameter of the shaft center is characterized in that the telescopic rod (6) comprises a sleeve and a connecting rod which is slidably arranged in the sleeve, and a fastening bolt is screwed on the outer wall of the sleeve and forms a fastening fit with the connecting rod.
4. An axial inner diameter measuring device according to claim 1, characterized in that the bottom of the measuring steel needle (12) and the tip of the pointer (11) are on the same horizontal line.
5. An axial bore measuring device according to claim 1, characterized in that the pointer (11) is in contact with the scale (8) on the side where the graduation marks are made.
6. The device for measuring the inner diameter of the shaft according to claim 1, wherein a slot is formed in the outer wall of one side of the support frame (5), a graduated scale (8) is connected in the slot in a sliding manner, a threaded opening is formed in one side of the slot, and a fastening bolt is connected in the threaded opening in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669091.9U CN211855163U (en) | 2020-04-28 | 2020-04-28 | Axle center bore measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669091.9U CN211855163U (en) | 2020-04-28 | 2020-04-28 | Axle center bore measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211855163U true CN211855163U (en) | 2020-11-03 |
Family
ID=73177439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020669091.9U Expired - Fee Related CN211855163U (en) | 2020-04-28 | 2020-04-28 | Axle center bore measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211855163U (en) |
-
2020
- 2020-04-28 CN CN202020669091.9U patent/CN211855163U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |