CN212331013U - Cylindrical shaft surface marking tool - Google Patents
Cylindrical shaft surface marking tool Download PDFInfo
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- CN212331013U CN212331013U CN202021187098.3U CN202021187098U CN212331013U CN 212331013 U CN212331013 U CN 212331013U CN 202021187098 U CN202021187098 U CN 202021187098U CN 212331013 U CN212331013 U CN 212331013U
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- pen holder
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Abstract
The utility model discloses a cylinder shaft surface marking tool, which is applied to the surface of a cylinder shaft and comprises a fixed block, wherein the bottom of the fixed block is provided with a concave surface which is in contact with the surface of the cylinder shaft, the fixed block is provided with an intermediate groove along the radial direction of the cylinder shaft, the intermediate groove runs through the top and the bottom of the fixed block, a first pen holder is arranged in the intermediate groove, the bottom of the first pen holder is vertically provided with a first marking needle, and the first pen holder does radial sliding motion along the intermediate groove; the end of the fixing block is provided with a through hole along the axial direction of the cylindrical shaft, a second pen holder is arranged in the through hole, a through hole is formed in one end, far away from the fixing block, of the second pen holder, a second scribing needle perpendicular to the second pen holder is arranged on the through hole, and the second pen holder slides axially along the through hole. The utility model discloses a cylinder axle surface marking tool, the integration is at cylinder axle surface axial and the function of radially ruling to guarantee to rule the position precision, and the design is light small and exquisite, and it is easy and simple to handle to rule, is applicable to the occasion that the test site needs the location operation of ruling.
Description
Technical Field
The utility model relates to a testing tool technical field especially relates to a cylinder axle surface marking tool.
Background
When the strain gauge is used for measuring the torque of the cylindrical transmission shaft, a cross line needs to be scribed on the surface of the cylindrical shaft in advance, the axial line is required to be parallel to the shaft center line by scribing, and the radial transverse line is spatially perpendicular to the shaft center line.
The current main mode of cylinder shaft surface scribing is to scribe radial lines on a lathe and axial lines on a standard platform, and the methods are not suitable for operation on a strain gauge pasting site. The utility model patent (patent number is CN201911217489.7) discloses a marking tool, which comprises a frame, an extension frame and a marking pen, wherein the frame comprises a transverse plate and a pair of vertical plates connected with the two ends of the transverse plate; the extension frame is arranged on the transverse plate and comprises an extension rod, a positioning block and a rotating frame, wherein one end of the extension rod is fixed on the transverse plate, the positioning block is fixed at the other end of the extension rod, and the rotating frame is pivoted on the positioning block; the marking pen is arranged at one end of the rotating frame, the datum plate is arranged at the other end of the rotating frame and attached to one end face of the part with the marked central line, and the distance between the pair of vertical plates is adjusted to enable the pair of vertical plates to be clamped on two sides of the part. Then, the rotating frame is rotated for 180 degrees, the positions of the reference plate and the marking pen are interchanged, an operator drives the rack to move along the length direction of the part, and the marking pen forms a central line; the pair of vertical plates clamped on two sides of the part cannot move relative to the part along the width direction of the part in the moving process along the length direction of the part. The method for drawing the center line in the patent is only suitable for drawing the axial center line on the square shaft,
the current cylinder surface scribing method generally has the following defects: 1. the cylindrical shaft needs to be detached and put on a special scribing table for scribing; 2. the marking operation of the axial line and the radial line can not be realized simultaneously, different marking methods and tools are needed to be used for marking respectively, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a cylinder axle surface marking tool, the integration is at cylinder axle surface axial and the radial function of ruling to guarantee to rule position accuracy, and the design is light small and exquisite, and it is easy and simple to handle to rule, is applicable to the occasion that the test site needs the location operation of ruling.
The utility model discloses take following technical scheme to realize above-mentioned purpose:
a cylinder shaft surface marking tool is applied to the surface of a cylinder shaft and comprises a fixed block, wherein a concave surface in contact with the surface of the cylinder shaft is arranged at the bottom of the fixed block, a middle groove is formed in the fixed block in the radial direction of the cylinder shaft and penetrates through the top and the bottom of the fixed block, a first pen holder is arranged in the middle groove, a first marking needle is vertically arranged at the bottom of the first pen holder, and the first pen holder slides in the middle groove in the radial direction; the end of the fixing block is provided with a through hole along the axial direction of the cylindrical shaft, a second pen holder is arranged in the through hole, a through hole is formed in one end, far away from the fixing block, of the second pen holder, a second scribing needle perpendicular to the second pen holder is arranged on the through hole, and the second pen holder slides axially along the through hole.
Preferably, the concave surface is a V-shaped surface or an arc-shaped surface.
Preferably, the first pen rod is provided as a cylindrical rod or a square rod.
Preferably, the through hole is a circular hole, and the second barrel is a cylindrical rod.
Preferably, the through hole is a square hole, and the second barrel is a square rod.
Preferably, the diameter of the first shaft is adapted to the width of the intermediate groove.
Preferably, the drift diameter of the second pen holder is matched with the drift diameter of the through hole.
The utility model has the advantages that:
the utility model discloses a cylinder axle surface marking tool has following advantage:
1. the marking tool can be integrated on the surface of the cylindrical shaft to realize axial and radial marking, the marking ensures that an axial line is parallel to the center of the cylindrical shaft, and a radial line is perpendicular to the center line of the cylindrical shaft;
2. the tool integrates two functions of marking axial lines and radial lines, can directly realize marking on the cylindrical shaft, and is simple and convenient to operate;
3. the tool is simple in composition, low in cost, light in weight, convenient to carry and suitable for being used in field operation occasions.
Drawings
Fig. 1 is a schematic structural view of a marking tool for a surface of a cylindrical shaft according to the present invention;
fig. 2 is a front view of a fixing block in the marking tool for the surface of the cylindrical shaft provided by the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
fig. 5 is a schematic structural view of a first pen holder in the marking tool for a surface of a cylindrical shaft provided by the present invention;
fig. 6 is a schematic structural view of a second pen holder in the marking tool for the surface of the cylindrical shaft provided by the present invention.
In the figure, 1-cylindrical shaft, 2-fixed block, 3-concave surface, 4-middle groove, 5-first pen rod, 6-first marking needle, 7-through hole, 8-second pen rod, 9-through hole and 10-second marking needle.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1-6 and the detailed description thereof.
Example 1
Referring to fig. 1-6, an embodiment of the present invention provides a cylinder shaft surface marking tool, which is applied to the surface of a cylinder shaft 1, and includes a fixed block 2, a concave surface 3 contacting the surface of the cylinder shaft 1 is disposed at the bottom of the fixed block 2, an intermediate groove 4 is disposed on the fixed block 2 along the radial direction of the cylinder shaft 1, the intermediate groove 4 penetrates through the top and the bottom of the fixed block 2, a first pen rod 5 is slidably disposed in the intermediate groove 4, a first marking needle 6 is vertically disposed at the bottom of the first pen rod 5, and the first pen rod 5 slides radially along the intermediate groove 4; through-hole 7 has been seted up along the axial direction of cylindrical shaft 1 to the tip of fixed block 2, is equipped with second pen-holder 8 in the through-hole 7, and the one end that fixed block 2 was kept away from to second pen-holder 8 is equipped with perforation 9, is equipped with the second marking pin 10 of perpendicular to second pen-holder 8 on perforation 9, and axial sliding motion is made along through-hole 7 to second pen-holder 8.
The utility model discloses a cylinder axle surface marking tool is when ruling, puts fixed block 2 on the surface of cylinder axle 1, makes fixed block 2 locate cylinder axle 1 through concave surface 3 card on the surface. When a radial line needs to be scribed, the first pen holder 5 moves along the middle groove 4 in the radial direction, so that the first scribing needle 6 performs radial scribing; when an axial line needs to be marked, the second penholder 8 penetrates into the through hole 7, and the second penholder 8 moves axially along the through hole 7, so that the second scribing needle 10 performs axial marking operation.
The concave surface 3 is a V-shaped surface or an arc surface. In this embodiment, the concave surface 3 is a V-shaped surface, so that the fixing block 2 can be stably clamped on the surface of the cylindrical shaft 1, and it is ensured that the axial line is parallel to the center of the cylindrical shaft and the radial line is perpendicular to the center line of the cylindrical shaft during scribing.
The first barrel 5 is configured as a cylindrical rod or a square rod. In the present embodiment, the first pen lever 5 is set as a square lever. The drift diameter of the first pen rod 5 is the same as the width of the middle groove 4, so that the first pen rod 5 can move in the middle groove 4, and the scribing function is realized.
In the present embodiment, the through hole 7 is a circular hole, and the second barrel 8 is a cylindrical rod. The drift diameter of second pen-holder 8 and the diameter adaptation of through-hole 7 guarantee that second pen-holder 8 can remove in through-hole 7, realize the marking off function.
In this embodiment, the second scribing needle 10 is adapted to the through hole 9, so that the second scribing needle 10 is tightly clamped on the second pen holder 8, and the normal scribing function is ensured. The middle groove 4 is arranged in the middle of the fixed block 2.
It will be appreciated that the intermediate groove 4 is not limited to being provided in the middle of the fixing block 2, and in other embodiments, the intermediate groove 4 may be provided at the other end of the fixing block 2 from the through hole 7.
Example 2
In this embodiment, the same as embodiment 1 except for the through-hole 7.
In the present embodiment, the through hole 7 is a square hole, and the second barrel 8 is a square rod. The latus rectum 8 of second pen-holder and the latus rectum adaptation of through-hole 7 guarantee that second pen-holder 8 can remove in through-hole 7, realize the marking off function.
Although the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A cylinder shaft surface marking tool is applied to the surface of a cylinder shaft (1), and is characterized by comprising a fixing block (2), wherein a concave surface (3) in surface contact with the cylinder shaft (1) is arranged at the bottom of the fixing block (2), an intermediate groove (4) is formed in the fixing block (2) along the radial direction of the cylinder shaft (1), the intermediate groove (4) penetrates through the top and the bottom of the fixing block (2), a first pen holder (5) is arranged in the intermediate groove (4), and a first marking needle (6) is vertically arranged at the bottom of the first pen holder (5); through-hole (7) have been seted up along the axial direction of cylinder axle (1) to the tip of fixed block (2), are equipped with second pen-holder (8) in through-hole (7), and the one end that fixed block (2) were kept away from in second pen-holder (8) is equipped with perforation (9), is equipped with second marking pin (10) of perpendicular to second pen-holder (8) on perforation (9).
2. A tool for marking the surface of a cylindrical shaft as claimed in claim 1, wherein the concave surface (3) is formed as a V-shaped surface or an arc-shaped surface.
3. A tool for marking the surface of a cylindrical shaft according to claim 1, wherein the first shaft (5) is provided as a cylindrical rod or a square rod.
4. A tool for marking the surface of a cylindrical shaft as claimed in claim 1, wherein the through hole (7) is provided as a circular hole and the second shaft (8) is provided as a cylindrical rod.
5. A tool for marking the surface of a cylindrical shaft as claimed in claim 1, wherein the through hole (7) is provided as a square hole and the second shaft (8) is provided as a square bar.
6. A tool for marking the surface of a cylindrical shaft according to claim 1, wherein the diameter of the first shaft (5) is adapted to the width of the intermediate groove (4).
7. A tool for marking the surface of a cylindrical shaft as claimed in claim 1, wherein the diameter of the second shaft (8) is adapted to the diameter of the through bore (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021187098.3U CN212331013U (en) | 2020-06-23 | 2020-06-23 | Cylindrical shaft surface marking tool |
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CN202021187098.3U CN212331013U (en) | 2020-06-23 | 2020-06-23 | Cylindrical shaft surface marking tool |
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CN212331013U true CN212331013U (en) | 2021-01-12 |
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CN202021187098.3U Active CN212331013U (en) | 2020-06-23 | 2020-06-23 | Cylindrical shaft surface marking tool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111730574A (en) * | 2020-06-23 | 2020-10-02 | 广西玉柴机器股份有限公司 | Cylindrical shaft surface marking tool |
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2020
- 2020-06-23 CN CN202021187098.3U patent/CN212331013U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111730574A (en) * | 2020-06-23 | 2020-10-02 | 广西玉柴机器股份有限公司 | Cylindrical shaft surface marking tool |
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