CN212779051U - Cross-rod distance measuring device - Google Patents
Cross-rod distance measuring device Download PDFInfo
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- CN212779051U CN212779051U CN202021920077.8U CN202021920077U CN212779051U CN 212779051 U CN212779051 U CN 212779051U CN 202021920077 U CN202021920077 U CN 202021920077U CN 212779051 U CN212779051 U CN 212779051U
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A cross-rod distance measuring device comprises a rod, a fixed block, a movable block, a dial indicator and a movable shaft, wherein the rod is a round rod with a plane cut out in a direction parallel to the axis, a length scale is arranged on the plane on the rod, and the plane on the rod faces the front; the fixing block is arranged at the left end of the ruler rod and is of a rectangular block structure, a transversely through D-shaped hole is formed in the upper portion of the side face of the fixing block, and the D-shaped hole is matched with the ruler rod; the utility model adopts the above technical scheme, good effect has been gained: stride excellent apart from measuring device through set up fixed block and movable block on the chi pole to set up in the front portion of fixed block and movable block and measure excellent A and measure excellent B, the excellent distance of striding of measurement external gear and internal gear that can make things convenient for quick is compared in measuring the excellent distance of striding with measuring stick and micrometer, and this measurement device of striding excellent distance is applicable to more measurement occasions, has brought very big facility for the measurement of the excellent distance of striding of gear.
Description
Technical Field
The utility model relates to a measure technical field, especially relate to a stride excellent apart from measuring device.
Background
The rod spanning distance is an indirect parameter representing the gear tooth thickness, two small round rods are clamped in opposite gear tooth grooves, the size of the outer edge of the gear tooth is measured, namely the rod spanning distance, and the small round rods are called pitch round rods; at present, a common method for measuring the cross-bar distance is to adopt a micrometer and a measuring bar, embed the two measuring bars into a tooth socket and measure the distance between the two measuring bars by using the micrometer, but the measuring bar is not fixed easily, the measurement difficulty is high and the measurement data is not accurate enough; therefore, a simple and convenient device for measuring the rod span distance is needed to solve the problems that the measurement difficulty is high and the measurement data is not accurate enough in the existing gear rod span distance measurement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stride excellent apart from measuring device for solve current gear and stride excellent apart from measuring the big and not accurate enough problem of measured data of the measurement degree of difficulty.
The purpose of the utility model is realized by adopting the following technical scheme:
a cross-rod distance measuring device comprises a rod, a fixed block, a movable block, a dial indicator and a movable shaft, wherein the rod is a round rod with a plane cut out in a direction parallel to the axis, a length scale is arranged on the plane on the rod, and the plane on the rod faces the front; the fixing block is arranged at the left end of the ruler rod and is of a rectangular block structure, a transversely-through D-shaped hole is formed in the upper portion of the side face of the fixing block and is matched with the ruler rod, a locking screw is arranged in the position, corresponding to the D-shaped hole, in front of the fixing block and is fixed with the ruler rod through the locking screw, and a measuring rod A is arranged at the lower portion in front of the fixing block; the measuring rod A is a precise round rod and is longitudinally and horizontally arranged; the movable block is arranged on the right side of the ruler rod, the movable block is a rectangular block with the same size as the fixed block, a transversely through D-shaped hole is formed in the upper portion of the side face of the movable block, and the D-shaped hole is installed in a sliding fit with the ruler rod; a hand-screwed screw is arranged at the upper part of the front of the movable block corresponding to the D-shaped hole; the lower part of the side surface of the movable block is provided with a horizontal transverse through hole, and the lower part of the left end surface of the movable block is provided with a dial indicator frame.
The movable shaft is arranged in the transverse through hole of the movable block, and the left part of the movable shaft is provided with a left shaft head with the diameter larger than that of the round hole of the sliding block; a precise flat key and a key groove are arranged between the movable shaft and the through hole of the movable block, and the precise flat key is in sliding fit with the key groove; an external thread is arranged on the excircle on the right side of the movable shaft, a nut is arranged on the external thread, and a compression spring is sleeved on the movable shaft between the nut and the right end face of the movable block; the front part of the right side of the movable shaft is provided with a longitudinal horizontal round hole, and a measuring rod B is arranged in the horizontal round hole.
The micrometer frame be the rectangular ruler shape, upper portion is horizontal right-angle side, the left part is perpendicular right-angle side, the right-hand member on the horizontal right-angle side of micrometer frame upper portion and the left end face fixed connection of movable block, be provided with horizontal round hole on the perpendicular right-angle side of lower part.
The dial indicator is arranged in a horizontal round hole in the lower portion of the movable block dial indicator frame, the surface of the dial indicator faces forwards, and the measuring head faces right and contacts with the left end face of the movable shaft.
The movable measuring rod B and the movable measuring rod A are the same in size, the movable measuring rod B and the movable measuring rod A are arranged in parallel, and the axes of the movable measuring rod B and the movable measuring rod A are on the same horizontal plane.
The utility model adopts the above technical scheme, good effect has been gained: stride excellent apart from measuring device through set up fixed block and movable block on the chi pole to set up in the front portion of fixed block and movable block and measure excellent A and measure excellent B, the excellent distance of striding of measurement external gear and internal gear that can make things convenient for quick is compared in measuring the excellent distance of striding with measuring stick and micrometer, and this measurement device of striding excellent distance is applicable to more measurement occasions, has brought very big facility for the measurement of the excellent distance of striding of gear.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
In the figure: 1. the micrometer comprises a ruler rod 2, a fixed block 2-1, measuring rods A, 2-2, a locking screw 3, a movable block 3-1, a hand screw 3-2, a dial gauge frame 4, a movable shaft 4-1, measuring rods B, 4-2, a compression spring 4-3, a precision flat key 5 and a dial gauge.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
The cross-bar distance measuring device shown in fig. 1, 2 and 3 comprises a ruler rod 1, a fixed block 2, a movable block 3, a dial indicator 5 and a movable shaft 1, wherein the ruler rod 1 is a round bar with a plane cut out in a direction parallel to the axis, a length scale is arranged on the plane on the ruler rod 1, and the plane on the ruler rod 1 faces forwards; the fixing block 2 is arranged at the left end of the ruler rod 1, the fixing block 2 is of a rectangular block structure, a transversely-through D-shaped hole is formed in the upper portion of the side face of the fixing block 2, the D-shaped hole is installed in a matched mode with the ruler rod 1, a locking screw 2-2 is arranged in the front of the fixing block 2 and corresponds to the D-shaped hole, the locking screw 2-2 fixes the fixing block with the ruler rod 1, and a measuring rod A2-1 is arranged on the lower portion of the front of the fixing block 2; the measuring rod A2-1 is a precise round rod, and the measuring rod A2-1 is longitudinally and horizontally arranged; the movable block 3 is arranged on the right side of the ruler rod 1, the movable block 3 is a rectangular block with the same size as the fixed block 2, a transversely through D-shaped hole is formed in the upper portion of the side face of the movable block 3, and the D-shaped hole is installed with the ruler rod 1 in a sliding fit mode; a hand-screwed screw 3-1 is arranged at the upper part of the front of the movable block 3 corresponding to the D-shaped hole; a horizontal transverse through hole is formed in the lower portion of the side face of the movable block 3, and a dial indicator frame 3-2 is arranged on the lower portion of the left end face of the movable block 3; the dial gauge frame 3-2 is in a right-angle ruler shape, the upper portion is a horizontal right-angle side, the left portion is a vertical right-angle side, the right end of the horizontal right-angle side on the upper portion of the dial gauge frame 3-2 is fixedly connected with the left end face of the movable block 3, and a horizontal round hole is formed in the vertical right-angle side on the lower portion.
The movable shaft 4 is arranged in a transverse through hole of the movable block 3, and a left shaft head with the diameter larger than that of the round hole of the sliding block is arranged at the left part of the movable shaft 4; a precise flat key 4-3 and a key groove are arranged between the movable shaft 4 and the through hole of the movable block 3, and the precise flat key 4-3 is in sliding fit with the key groove; an external thread is arranged on the right excircle of the movable shaft 4, a nut is arranged on the external thread, and a compression spring 4-2 is sleeved on the movable shaft 1 between the nut and the right end face of the movable block 3; the front part of the right side of the movable shaft 4 is provided with a longitudinal horizontal round hole, and a measuring rod B4-1 is arranged in the horizontal round hole; the movable measuring rod B4-1 and the measuring rod A2-1 are the same in size, the measuring rod B4-1 and the measuring rod A2-1 are arranged in parallel, and the axes of the measuring rod B4-1 and the measuring rod A2-1 are on the same horizontal plane; the dial indicator 5 is arranged in a horizontal circular hole at the lower part of the dial indicator frame 3-2 of the movable block 3, the surface of the dial indicator 5 faces forwards, the measuring head faces right, and the dial indicator contacts with the left end face of the movable shaft 1.
Before the cross-rod distance measuring device is used, calibration is firstly carried out on a calibration block, the axes of a measuring rod A2-1 and a measuring rod B4-1 are ensured to be parallel and on the same plane, when the cross-rod distance measuring device is used, the measuring rod A2-1 and the measuring rod B4-1 are respectively clamped into the tooth space of an external gear or an internal gear to be measured, then the reading on a ruler rod 1 is read, the cross-rod distance to be measured can be calculated by combining the reading on a dial indicator 5, and the cross-rod distance measuring process of the tooth space of the gear is completed.
The part of the utility model not detailed is prior art.
Claims (5)
1. The utility model provides a stride excellent apart from measuring device, includes chi pole (1), fixed block (2), movable block (3), amesdial (5) and loose axle (4), characterized by: the ruler rod (1) is a round bar with a plane cut out in a direction parallel to the axis, a length scale is arranged on the plane on the ruler rod (1), and the plane on the ruler rod (1) faces the front; the fixing block (2) is arranged at the left end of the ruler rod (1), the fixing block (2) is of a rectangular block structure, a transversely-through D-shaped hole is formed in the upper portion of the side face of the fixing block (2), the D-shaped hole is installed in a matched mode with the ruler rod (1), a locking screw (2-2) is arranged in the position, corresponding to the D-shaped hole, in front of the fixing block (2), the locking screw (2-2) fixes the fixing block with the ruler rod (1), and a measuring rod A (2-1) is arranged on the lower portion of the front of the fixing block (2); the measuring rod A (2-1) is a precise round rod, and the measuring rod A (2-1) is longitudinally and horizontally arranged; the movable block (3) is arranged on the right side of the ruler rod (1), the movable block (3) is a rectangular block with the same size as the fixed block (2), a transversely through D-shaped hole is formed in the upper portion of the side face of the movable block (3), and the D-shaped hole is installed with the ruler rod (1) in a sliding fit mode; a hand-screwed screw (3-1) is arranged at the upper part of the front of the movable block (3) corresponding to the D-shaped hole; the lower part of the side surface of the movable block (3) is provided with a horizontal transverse through hole, and the lower part of the left end surface of the movable block (3) is provided with a dial indicator frame (3-2).
2. A cross-rod distance measuring device according to claim 1, wherein: the movable shaft (4) is arranged in a transverse through hole of the movable block (3), and a left shaft head with the diameter larger than that of the round hole of the sliding block is arranged at the left part of the movable shaft (4); a precise flat key (4-3) and a key groove are arranged between the movable shaft (4) and the through hole of the movable block (3), and the precise flat key (4-3) is in sliding fit with the key groove; an external thread is arranged on the outer circle of the right side of the movable shaft (4), a nut is arranged on the external thread, and a compression spring (4-2) is sleeved on the movable shaft (4) between the nut and the right end face of the movable block (3); the front part of the right side of the movable shaft (4) is provided with a longitudinal horizontal round hole, and a measuring rod B (4-1) is arranged in the horizontal round hole.
3. A cross-rod distance measuring device according to claim 1, wherein: the dial gauge frame (3-2) is in a right-angle ruler shape, the upper portion is a horizontal right-angle side, the left portion is a vertical right-angle side, the right end of the horizontal right-angle side on the upper portion of the dial gauge frame (3-2) is fixedly connected with the left end face of the movable block (3), and a horizontal round hole is formed in the vertical right-angle side on the lower portion.
4. A cross-rod distance measuring device according to claim 1, wherein: the dial indicator (5) is arranged in a horizontal circular hole at the lower part of the dial indicator frame (3-2) of the movable block (3), the surface of the dial indicator (5) faces forwards, and the measuring head faces right and contacts with the left end face of the movable shaft (4).
5. A cross-rod distance measuring device according to claim 2, wherein: the measuring rod B (4-1) and the measuring rod A (2-1) are the same in size, the measuring rod B (4-1) and the measuring rod A (2-1) are arranged in parallel, and the axes of the measuring rod B (4-1) and the measuring rod A (2-1) are on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920077.8U CN212779051U (en) | 2020-09-07 | 2020-09-07 | Cross-rod distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920077.8U CN212779051U (en) | 2020-09-07 | 2020-09-07 | Cross-rod distance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212779051U true CN212779051U (en) | 2021-03-23 |
Family
ID=75058733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021920077.8U Active CN212779051U (en) | 2020-09-07 | 2020-09-07 | Cross-rod distance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212779051U (en) |
-
2020
- 2020-09-07 CN CN202021920077.8U patent/CN212779051U/en active Active
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