CN218297008U - Measuring tool for measuring distance between internal spline rods - Google Patents
Measuring tool for measuring distance between internal spline rods Download PDFInfo
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- CN218297008U CN218297008U CN202222248013.3U CN202222248013U CN218297008U CN 218297008 U CN218297008 U CN 218297008U CN 202222248013 U CN202222248013 U CN 202222248013U CN 218297008 U CN218297008 U CN 218297008U
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Abstract
The utility model discloses a measuring tool for measuring the distance between inner spline rods, which comprises a base, a linear bearing, a numerical display and a sliding assembly, wherein the linear bearing is fixed on the base, the numerical display is movably connected with the sliding assembly, the sliding assembly is in sliding fit with the linear bearing, and the measuring tool also comprises a first measuring head and a second measuring head which are used for measuring the distance between the inner spline rods, the first measuring head and the second measuring head are at the same height, and the head directions of the first measuring head and the second measuring head are opposite; the first measuring head frame enables the first measuring head to slide linearly along the linear bearing, and the second measuring head frame enables the second measuring head to slide linearly along the linear bearing, and the first measuring head frame and the second measuring head frame are respectively connected with the sliding assembly; the first measuring block is matched with the first measuring head and connected with the sliding assembly, and the second measuring block is matched with the second measuring head and connected with the sliding assembly.
Description
Technical Field
The utility model relates to measuring device technical field, concretely relates to measuring tool of spline stick interval in measuring.
Background
The internal spline is a circumferential connecting piece formed by bulges and grooves arranged on a gear hub, a wheel hub and other mechanical parts, and the bar spacing of the internal spline is usually required to be measured in the machining process of the mechanical parts with internal spline workpieces.
And prior art adopts the gauge block trial to amass the most common measurement mode of the excellent interval of internal spline, fills in the tooth's socket of internal spline together with the gauge block group after trying to amass with the gauge block, if easily fill in, explains the size undersize that the gauge block group pieced together, if fill in not, explains the size that the gauge block group pieced together too big, and the trial is amassed repeatedly constantly, can fill in under the feeling of slightly resistance together until the gauge block group that tries to amass and the gauge block and enter, at this time, the size of gauge block group is exactly the excellent interval of internal spline.
However, the measurement method in the prior art has the following defects:
1. the method highly depends on the skill and hand feeling of the measuring personnel, and the situation that the results measured by different measuring personnel have large difference often occurs;
2. when burrs exist on the edges of the internal splines, the burrs can greatly affect the measurement result;
3. the measuring rod frequently and the measuring block extrusion friction can influence the precision of the measuring block, and the measuring block is used as a reference for magnitude transmission, so that the risk of inaccurate magnitude transmission can be caused.
The prior art measurement methods have great limitations and need further improvement.
Disclosure of Invention
The not enough of existence to prior art, the utility model provides a measuring tool of spline stick interval in measuring, the utility model discloses simple structure does not rely on the hand to feel, is convenient for change, measures more accurately.
The technical scheme for solving the technical problems is as follows:
a measuring tool for measuring the distance between internal spline rods comprises a base, a linear bearing, a numerical value display, a sliding component and a measuring head, wherein the linear bearing is fixed on the base, the numerical value display is movably connected with the sliding component, the sliding component is in sliding fit with the linear bearing,
the measuring head comprises a first measuring head and a second measuring head, wherein the first measuring head and the second measuring head are used for measuring the distance between the inner spline rods, the first measuring head and the second measuring head are arranged on the same height, and the head directions of the first measuring head and the second measuring head are opposite;
the first measuring head frame enables the first measuring head to slide linearly along the linear bearing, and the second measuring head frame enables the second measuring head to slide linearly along the linear bearing, and the first measuring head frame and the second measuring head frame are respectively connected with the sliding assembly;
the first measuring block is matched with the first measuring head and connected with the sliding assembly, and the second measuring block is matched with the second measuring head and connected with the sliding assembly.
Furthermore, the sliding assembly comprises a first sliding block, a second sliding block, a first ball plate and a second ball plate, the first sliding block and the second sliding block are in sliding fit with the linear bearing, one end of the first ball plate is connected with the first measuring block, the other end of the first ball plate is connected with the first measuring head frame, one end of the second ball plate is connected with the second measuring block, and the other end of the second ball plate is connected with the second measuring head frame.
Further, the first measuring head frame and the second measuring head frame are L-shaped, the first measuring head frame is provided with a first mounting portion and a first measuring head mounting portion, and the second measuring head frame is provided with a second mounting portion and a second measuring head mounting portion.
Further, the first measuring head is fixed on the first measuring head mounting portion through a screw, and the second measuring head is fixed on the second measuring head mounting portion through a screw.
Furthermore, the numerical value display comprises a display dial, one end of the display dial is provided with a mounting rod and an elastic measuring head, the mounting rod is fixed on the second measuring block, and the elastic measuring head is matched with the end face of the first measuring block.
Furthermore, a first notch is formed in the second measuring block, and the mounting rod penetrates through the groove and is fixed.
The utility model provides a measuring tool of spline stick interval in measurement, at first headstock, the first gauge head of second gauge head shelf location, the second gauge head, install numerical value display on the first recess of second measurement piece, then stretch into standard appearance circle with first gauge head and second gauge head, and first measurement piece of manual slip and second measurement piece, make first gauge head and second gauge head contact the diameter position of standard appearance circle, then give numerical value display to zero, then stretch into the inner circle of the spare part that has the internal spline with first gauge head and second gauge head again, base level is placed on the axial terminal surface of the spare part that has the internal spline this moment, and first measurement piece of manual slip and second measurement piece, make first measurement piece, the second measurement piece drives first gauge head along linear bearing rectilinear sliding's while, the second gauge head contacts the interior of the spare part that has the internal spline, the reading that just has on the numerical value display this moment is the real spline stick interval of the internalization of the spare part that has the numerical value, thereby the difference value of the real spline stick interval is realized to the standard appearance circle.
The utility model discloses the measurement of spline stick interval in the specially adapted, the utility model discloses need not to rely on and feel, and first gauge head, second gauge head are convenient for change after measuring repeatedly, and the numerical display makes measured numerical value more accurate.
Drawings
FIG. 1 is a schematic diagram of the measurement of the spacing between the rods of the component with the internal spline according to the present invention;
fig. 2 is a schematic view of a first head measuring frame and a second head measuring frame of the present invention;
fig. 3 is a schematic view of the sliding assembly of the present invention.
In the drawings, the reference numbers:
the measuring device comprises a base 10, a linear bearing 20, a first slide block 22, a second slide block 22a, a first ball plate 23, a second ball plate 23a, a first measuring head 30, a second measuring head 30a, a first measuring head frame 40, a second measuring head frame 40a, a first mounting portion 40b, a first measuring head mounting portion 40c, a second mounting portion 40d, a second measuring head mounting portion 40c, a first notch 51, a first measuring block 60, a second measuring block 60a, a numerical value display 70, a display dial 70a, a mounting rod 70b and an elastic measuring head 70c.
Detailed Description
The invention will be further described with reference to the following reference numerals and embodiments.
As shown in fig. 1 to 3, a measuring tool for measuring the distance between internal spline rods includes a base 10, a linear bearing 20, a numerical display 70, a sliding assembly, wherein the linear bearing 20 is fixed on the base 10, the numerical display 70 is movably connected with the sliding assembly, and the sliding assembly is in sliding fit with the linear bearing 20;
the measuring head comprises a first measuring head 30 and a second measuring head 30a, wherein the first measuring head 30 and the second measuring head 30a are arranged on the same height, and the heads of the first measuring head 30 and the second measuring head 30a face opposite to each other;
a first head frame 40 for sliding the first measuring head 30 linearly along the linear bearing 20, and a second head frame 40a for sliding the second measuring head 30a linearly along the linear bearing 20, wherein the first head frame 40 and the second head frame 40a are respectively connected to the sliding assembly;
the first measuring block 60 is matched with the first measuring head 30 and connected with the sliding assembly, and the second measuring block 60a is matched with the second measuring head 30a and connected with the sliding assembly.
In this embodiment, the numerical display preferably uses a dial indicator, when measuring, the base 10 is firstly placed horizontally on the end surface of the workpiece to be measured, then the first measuring block 60 and the second measuring block 60a are manually slid, the first measuring block 60 and the second measuring block 60a are fixedly connected with the sliding assembly, and the first head frame 40 and the second head frame 40a are also fixedly connected with the sliding assembly, and because the sliding assembly is in sliding fit with the linear bearing 20, the first measuring block 60 and the second measuring block 60a are slid by hand while the first head frame 40 and the second head frame 40a are slid, and then the first head frame 40 drives the first measuring head 30 to move in the same direction, the second head frame 40a drives the second measuring head 30a to move in the same direction, wherein the first measuring head 30 and the second measuring head 30a are always kept at the same height, but the moving directions are opposite, the first measuring head 30 contacts with the middle two middle measuring heads of the workpiece to contact with the spline 30a, and the other two spline members are radially displayed, thereby measuring the spline members can be measured.
As shown in fig. 1 to 3, the sliding assembly includes a first slider 22, a second slider 22a, a first ball plate 23, and a second ball plate 23a, the first slider 22 and the second slider 22a are slidably engaged with the linear bearing 20, one end of the first ball plate 23 is connected to the first measuring block 60, the other end is connected to the first head measuring unit 40, one end of the second ball plate 23a is connected to the second measuring block 60a, and the other end is connected to the second head measuring unit 40 a.
In the present embodiment, the first and second sliders 22 and 22a are slidably mounted on the linear bearing 20, when the first measuring block 60 is manually slid, the first measuring block 60 first drives the first ball plate 23 to slide along the linear bearing 20 (because the ball at the other end of the first ball plate 23 is embedded in the inner portion of the first slider 22 and protrudes a part of the first ball plate, the protruding part of the first ball will be located in the sliding slot of the linear bearing 20, which is not shown in the drawing of the sliding slot), and when the second measuring block 60a is manually slid, the second measuring block 60a first drives the second ball plate 23a to slide along the linear bearing 20 (because the ball at the other end of the second ball plate 23a is embedded in the inner portion of the second slider 22a and protrudes a part of the second ball, the protruding part of the first ball will be located in the sliding slot of the linear bearing 20, which is not shown in the drawing of the sliding slot).
As shown in fig. 2, the first head frame 40 and the second head frame 40a are L-shaped, the first head frame 40 having a first mounting portion 40b and a first head mounting portion 40c, and the second head frame 40a having a second mounting portion 40d and a second head mounting portion 40e.
In the present embodiment, the first mounting portion 40b and the second mounting portion 40d of the first head frame 40 and the second head frame 40a having the L-shape are opposite in direction, the first mounting portion 40b and the second mounting portion 40d are preferably connected to the first ball plate 23 and the second ball plate 23a by bolts, respectively, the first gauge head 30 is inserted into the first gauge head mounting portion 40c and fixed by bolts, and the second gauge head 30a is inserted into the second gauge head mounting portion 40e and fixed by bolts.
As shown in fig. 1, the numerical value display 70 includes a display dial 70a, one end of the display dial 70a is provided with a mounting rod 70b and an elastic measuring head 70c, the mounting rod 70b is fixed on the second measuring block 60a, and the elastic measuring head 70c is matched with the end face of the first measuring block 60.
In this embodiment, the display dial 70a is fixed on the upper second measuring block 60a through the mounting rod 70b, when the first measuring head 30 contacts the internal spline of the workpiece to be measured and the second measuring head 30a contacts another internal key, the elastic measuring head 70c contacts the end surface of the first measuring block 60, and at this time, the display dial 70a displays a numerical value.
As shown in fig. 3, the second measuring block 60a is provided with a first notch 51, and the mounting rod 70b passes through the notch and is fixed.
In this embodiment, the first notch 51 of the second measuring block 60a is a notch, and the mounting rod 70b is inserted through the first notch 51 and then preferably fixed by a bolt.
Claims (6)
1. A measuring tool for measuring the distance between internal spline rods comprises a base (10), a linear bearing (20), a numerical display (70) and a sliding assembly, wherein the linear bearing (20) is fixed on the base (10), the numerical display (70) is movably connected with the sliding assembly, and the sliding assembly is in sliding fit with the linear bearing (20);
the measuring head comprises a first measuring head (30) and a second measuring head (30 a) which are used for measuring the distance between the inner spline rods, wherein the first measuring head (30) and the second measuring head (30 a) are on the same height, and the heads of the first measuring head (30) and the second measuring head (30 a) face opposite directions;
the first measuring head rack (40) enables the first measuring head (30) to slide along the linear bearing (20) in a linear mode, the second measuring head rack (40 a) enables the second measuring head (30 a) to slide along the linear bearing (20) in a linear mode, and the first measuring head rack (40) and the second measuring head rack (40 a) are connected with the sliding assembly respectively;
the first measuring block (60) and the second measuring block (60 a) are used for transmitting numerical values to the numerical value display (70), the first measuring block (60) is matched with the first measuring head (30) and is connected with the sliding assembly, and the second measuring block (60 a) is matched with the second measuring head (30 a) and is connected with the sliding assembly.
2. A gauge for measuring the pitch of internally splined rods according to claim 1, wherein the sliding assembly comprises a first slider (22), a second slider (22 a), a first ball plate (23) and a second ball plate (23 a), the first slider (22) and the second slider (22 a) are slidably fitted with the linear bearing (20), one end of the first ball plate (23) is connected with the first measuring block (60), the other end is connected with the first head measuring frame (40), one end of the second ball plate (23 a) is connected with the second measuring block (60 a), and the other end is connected with the second head measuring frame (40 a).
3. A gauge for measuring the pitch of internally splined rods according to claim 1, wherein the first head frame (40) and the second head frame (40 a) are L-shaped, the first head frame (40) having a first mounting portion (40 b) and a first probe mounting portion (40 c), the second head frame (40 a) having a second mounting portion (40 d) and a second probe mounting portion (40 e).
4. A gauge according to claim 3, wherein the first probe (30) is screwed to the first probe mounting portion (40 c) and the second probe (30 a) is screwed to the second probe mounting portion (40 e).
5. A gauge for measuring the pitch of internally splined rods according to claim 1, wherein said numerical display (70) comprises a display dial (70 a), one end of said display dial (70 a) being provided with a mounting bar (70 b) and a resilient feeler (70 c), said mounting bar (70 b) being fixed to the second measuring block (60 a), said resilient feeler (70 c) being engaged with the end face of the first measuring block (60).
6. A gauge for measuring the pitch of internally splined rods according to claim 5, wherein the second gauge block (60 a) is provided with a first notch (51) and the mounting bar (70 b) is passed through the notch and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248013.3U CN218297008U (en) | 2022-08-25 | 2022-08-25 | Measuring tool for measuring distance between internal spline rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248013.3U CN218297008U (en) | 2022-08-25 | 2022-08-25 | Measuring tool for measuring distance between internal spline rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218297008U true CN218297008U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222248013.3U Active CN218297008U (en) | 2022-08-25 | 2022-08-25 | Measuring tool for measuring distance between internal spline rods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218297008U (en) |
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2022
- 2022-08-25 CN CN202222248013.3U patent/CN218297008U/en active Active
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