CN211740051U - Precision steel pipe end face run-out detection mechanism - Google Patents
Precision steel pipe end face run-out detection mechanism Download PDFInfo
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- CN211740051U CN211740051U CN202020892357.6U CN202020892357U CN211740051U CN 211740051 U CN211740051 U CN 211740051U CN 202020892357 U CN202020892357 U CN 202020892357U CN 211740051 U CN211740051 U CN 211740051U
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Abstract
The utility model provides a precision steel pipe end face run-out detection mechanism, which comprises a base and a blocking part arranged on the base, wherein a linear slide rail is arranged on the base at the inner side of the blocking part, a supporting part for placing a precision steel pipe is arranged on a slide block of the linear slide rail, a support is also arranged on the base at the inner side of the blocking part, and a dial indicator is arranged on the support; after the precision steel pipe is placed on the supporting part, one end of the precision steel pipe is abutted against the inner wall of the blocking part, and the other end of the precision steel pipe is contacted with a measuring head of the dial indicator.
Description
Technical Field
The utility model belongs to precision steel pipe makes and uses the instrument field, concretely relates to precision steel pipe end face runout detection mechanism.
Background
Document CN110285746A discloses a cylinder head conduit hole perpendicularity detection device, which has a reference plate for placing on the end face of the cylinder head; the detection device is also provided with a positioning mandrel inserted into the guide pipe hole of the cylinder cover; the positioning core shaft is a cylindrical long rod; the middle part of the positioning mandrel is provided with a shoulder which is integrally formed with the positioning mandrel; two round tables are sleeved on the positioning mandrel; the two round tables are positioned below the shoulder, a gap is formed between the two round tables, and a gap is also formed between the round table positioned at the upper part and the shoulder; the two circular truncated cones and the positioning mandrel are integrally formed; the outer diameters of the two round tables are in small clearance fit with the aperture of the cylinder cover conduit hole; the upper end of the positioning mandrel is positioned in the measuring tool body and is in interference fit with the measuring tool body; the measuring body comprises a cylinder I, a cylinder II, a cylinder III and a cylinder IV from top to bottom in sequence; the diameter of the cylinder I is the largest, the diameter of the cylinder III is the next to the diameter of the cylinder IV, and the diameter of the cylinder IV is the smallest; an axial through hole is formed in the center of the cylinder IV and is in interference fit with the upper end of the positioning mandrel; the cylinder IV of the gauge body is in clearance fit with a corresponding through hole on the reference plate to form a structure that the gauge body drives the positioning mandrel to rotate in the guide pipe hole of the cylinder cover under the action of external force; the center of the cylinder I is provided with an axial through hole for transition fit with the plug; the top is a T-shaped body; the lower part of the T-shaped body is a cylinder in transition fit with the axial through hole in the cylinder I; the upper part of the T-shaped body is a truncated cone body with the diameter larger than the axial through hole on the cylinder I, and a circular measuring head is arranged at the center of the upper end face of the truncated cone body; the cylinder III is provided with a radial through hole for a special pin to pass through, and two end faces of the radial through hole are planes; the special-shaped pin is horizontally arranged; the characteristic pin is provided with an equal-diameter section I in transition fit with the radial through hole; one end of the equal-diameter section I is provided with an equal-diameter section II positioned outside the radial through hole; the diameter of the equal-diameter section II is smaller than that of the equal-diameter section I; external threads are processed on the outer wall surface of the equal-diameter section II; the other end of the equal-diameter section I is provided with an equal-diameter section III which is positioned outside the radial through hole; the diameter of the equal-diameter section III is larger than that of the equal-diameter section I; the end head of the equal-diameter section III is provided with a drum-shaped body with the size larger than that of the equal-diameter section III; the lower end surface of the drum-shaped body is contacted with the reference plate during measurement; the detection device is also provided with a lever indicator; the contact of the lever indicator is contacted with the round measuring head on the top head; during measurement, a reference plate is placed on the end face of the cylinder cover, and then a positioning mandrel of the detection device penetrates through a round hole of the reference plate and is inserted into a guide pipe hole of the cylinder cover until a drum-shaped body of the special-shaped pin is contacted with the upper end face of the reference plate; and (3) contacting a contact of the lever indicator with a round measuring head of a top of the detection device, slightly rotating for a specific circle by hand, and recording the reading of the lever indicator to obtain the verticality numerical value of the cylinder cover guide pipe hole. Although the device can measure the verticality of the guide pipe hole of the cylinder cover, the device is not suitable for detecting the verticality of the end face of the precision steel pipe.
In addition, the conventional device for measuring the perpendicularity (jumping) of the end face of the steel pipe mainly comprises a dial indicator and a support, wherein the steel pipe is clamped on the support (two V-shaped supporting blocks) firstly during measurement, and then the dial indicator is used for measuring the perpendicularity (jumping) of the end face of the steel pipe. The conventional device mainly has two problems, namely that the V-shaped supporting block and the steel pipe are easy to slide relatively, the accuracy of a measuring result is poor, the device is not suitable for detecting the end face runout of the precise steel pipe, and the device is poor in universality and single in application occasion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accurate steel pipe end face runout detection mechanism that commonality and measuring result accuracy are good.
The purpose of the utility model is realized by adopting the technical scheme as follows.
The precision steel pipe end face run-out detection mechanism comprises a base and a blocking part arranged on the base, wherein the inner wall of the blocking part is perpendicular to the surface of the base, a linear slide rail is arranged on the base positioned on the inner side of the blocking part, a supporting part for placing the precision steel pipe is arranged on a slide block of the linear slide rail, a support is also arranged on the base on the inner side of the blocking part, and a dial indicator is arranged on the support; after the precision steel pipe is placed on the supporting part, one end of the precision steel pipe is abutted against the inner wall of the blocking part, and the other end of the precision steel pipe is contacted with a measuring head of the dial indicator.
Furthermore, a second linear slide rail is arranged beside the linear slide rail, the second linear slide rail is parallel to the linear slide rail, and the support is fixedly connected to the second slide block of the second linear slide rail.
Furthermore, the support adopts a universal meter seat lever.
Furthermore, a V-shaped groove is formed in the supporting portion, symmetrical rolling wheels are arranged on two bevel edges of the V-shaped groove, and the precision steel pipe is placed on the rolling wheels of the supporting portion.
Furthermore, the blocking part and the base are integrally formed, and the blocking part is positioned at one end part of the base.
Preferably, the second linear slide rail and the top surface of the linear slide rail are located on the same plane.
Has the advantages that: by adopting the detection mechanism of the utility model, the stability of the precision steel pipe in the detection process can be improved, the measurement error can be effectively reduced, and the end face run-out condition of the precision steel pipe can be accurately detected; the utility model discloses detection mechanism commonality is good, not only is applicable to the accurate steel pipe end face runout condition of detection short-size, is applicable to the accurate steel pipe end face runout condition of detection longer size moreover, when detecting the accurate steel pipe of different length, only need according to the reasonable adjusting slide block position of pipe length can; the utility model discloses detection mechanism flexibility is good, and convenient to use not only can adjust the relative position of percentage table and precision steel pipe in a flexible way, can adjust the position of supporting part in a flexible way moreover, can also rotate precision steel pipe in a flexible way, is convenient for implement the precision steel pipe end face condition of beating and detects.
Drawings
FIG. 1 is a schematic view of a precise steel pipe end face run-out detection mechanism in the embodiment in a downward direction;
FIG. 2 is a schematic view of the end face run-out detection mechanism of the precision steel pipe in the embodiment;
FIG. 3 is a schematic view of the supporting part of the end face run-out detecting mechanism of the precision steel pipe in the embodiment.
Detailed Description
The present invention is further described with reference to the following specific embodiments, which are not to be construed as limiting the scope of the present invention, and the modifications and variations of the present invention are not essential to those skilled in the art.
Examples
The end face run-out detection mechanism of the precise steel pipe, as shown in fig. 1 and fig. 2, comprises a base 6 and a blocking part 1 arranged on the base 6, wherein the inner wall of the blocking part 1 is vertical to the surface of the base 6, a linear slide rail 2 is arranged on the base 6 positioned at the inner side of the blocking part 1, a supporting part 5 for placing the precise steel pipe 4 is arranged on a slide block 9 of the linear slide rail 2, a support 8 is also arranged on the base 6 at the inner side of the blocking part 1, and a dial indicator 7 is arranged on the support 8; after the precision steel tube 4 is placed on the supporting part 5, one end of the precision steel tube 4 is abutted against the inner wall of the blocking part 1, and the other end of the precision steel tube is contacted with a measuring head of the dial indicator 7.
Furthermore, a second linear slide rail 3 is further arranged beside the second linear slide rail 2, the second linear slide rail 3 is parallel to the second linear slide rail 2, and the support 8 is fixedly connected to a second sliding block 11 of the second linear slide rail 3. The structure can flexibly adjust the positions of the support 8 and the dial indicator 7 relative to the precision steel pipe 4, and is suitable for detecting the end face runout of the precision steel pipe 4 with large length difference.
In this embodiment, as shown in fig. 3, the support 8 adopts a universal meter base lever, and the universal meter base lever is convenient for adjusting the position of the measuring head of the dial indicator 7.
In this embodiment, be provided with the V-arrangement groove on the supporting part 5, two hypotenuses departments in V-arrangement groove all are provided with symmetrical gyro wheel 10, and accurate steel pipe 4 is put on the gyro wheel 10 of supporting part 5, and such structure is convenient for rotate accurate steel pipe 4 in a flexible way, is convenient for develop 4 end runout detections of accurate steel pipe.
In this embodiment, the blocking portion 1 and the base 6 are integrally formed, and the blocking portion 1 is located at one end portion of the base 6. Such structure makes fender portion 1, precision steel pipe 4 and base 6 can not take place relative displacement, and the linear slide rail that deuterogamies makes precision steel pipe 4 and base 6 can not take place the skew to can improve the stability in the testing process.
In this embodiment, the top surfaces of the second linear slide rail 3 and the linear slide rail 2 are located on the same plane.
When the device is used, the precision steel pipe 4 to be detected is placed on the roller 10 of the supporting part 5, one end face of the precision steel pipe 4 is placed close to the inner wall of the blocking part 1, then the slide blocks 9 of the linear slide rail 2 are adjusted to enable the two slide blocks 9 to uniformly support the precision steel pipe 4, one end face of the precision steel pipe 4 is abutted against the inner wall of the blocking part 1, and then the slide blocks of the slide blocks 9 of the linear slide rail 2 are positioned, so that the positioning of the precision steel pipe 4 is completed; then, adjusting a second sliding block 11 of the second linear sliding rail 3 to enable the second sliding block 11 to be close to the other end (far away from the end side of the blocking part 1) of the precision steel pipe 4, then accurately adjusting the position of the dial indicator 7 to enable a measuring head of the dial indicator 7 to be in contact with the end face of the precision steel pipe 4, and then fixing the second sliding block 11 of the second linear sliding rail 3 to complete positioning of the second sliding block 11 and the support 8, which is substantially used for positioning the dial indicator 7; and finally, rotating the precision steel pipe 4 at a constant speed, observing the numerical change of the dial indicator, and recording the end face runout condition of the precision steel pipe 4.
For the precision steel pipes 4 with small length difference, for example, the precision steel pipes with the length difference within 20mm, the detection can be carried out after fine adjustment is carried out only through the support 8 (universal meter seat lever); for the precision steel pipe 4 with a large length difference, if the length difference is larger than the precision steel pipe within 20mm, the precision steel pipe can be preliminarily adjusted through the second sliding block 11 of the second linear sliding rail 3, and then is detected after being finely adjusted through the support 8 (universal meter seat lever).
By adopting the detection mechanism of the utility model, the stability of the precision steel pipe in the detection process can be improved, the measurement error can be effectively reduced, and the end face run-out condition of the precision steel pipe can be accurately detected; the utility model discloses detection mechanism commonality is good, not only is applicable to the accurate steel pipe end face runout condition of detection short-size, is applicable to the accurate steel pipe end face runout condition of detection longer size moreover, when detecting the accurate steel pipe of different length, only need according to the reasonable adjusting slide block position of pipe length can; the utility model discloses detection mechanism flexibility is good, and convenient to use not only can adjust the relative position of percentage table and precision steel pipe in a flexible way, can adjust the position of supporting part in a flexible way moreover, can also rotate precision steel pipe in a flexible way, is convenient for implement the precision steel pipe end face condition of beating and detects.
Claims (6)
1. Precision steel pipe end face runout detection mechanism, including base (6) and fender portion (1) of setting on base (6), fender portion (1) inner wall and base (6) surface vertical, its characterized in that: a linear slide rail (2) is arranged on a base (6) positioned on the inner side of the blocking part (1), a supporting part (5) for placing a precision steel pipe (4) is arranged on a slide block (9) of the linear slide rail (2), a support (8) is also arranged on the base (6) on the inner side of the blocking part (1), and a dial indicator (7) is arranged on the support (8); after the precision steel pipe (4) is placed on the supporting part (5), one end of the precision steel pipe (4) abuts against the inner wall of the blocking part (1), and the other end of the precision steel pipe contacts with a measuring head of the dial indicator (7).
2. The precision steel pipe end face run-out detection mechanism of claim 1, characterized in that: and a second linear sliding rail (3) is further arranged beside the second linear sliding rail (2), the second linear sliding rail (3) is parallel to the second linear sliding rail (2), and the support (8) is fixedly connected to a second sliding block (11) of the second linear sliding rail (3).
3. The precision steel pipe end face runout detection mechanism according to claim 1 or 2, characterized in that: the support (8) adopts a universal meter seat lever.
4. The precision steel pipe end face run-out detection mechanism of claim 3, wherein: the supporting part (5) is provided with a V-shaped groove, two oblique edges of the V-shaped groove are provided with symmetrical rollers (10), and the precision steel pipe (4) is placed on the rollers (10) of the supporting part (5).
5. The precision steel pipe end face run-out detection mechanism of claim 4, wherein: the blocking part (1) and the base (6) are integrally formed, and the blocking part (1) is positioned at one end part of the base (6).
6. The precision steel pipe end face run-out detection mechanism of claim 5, wherein: the top surfaces of the second linear sliding rail (3) and the linear sliding rail (2) are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020892357.6U CN211740051U (en) | 2020-05-25 | 2020-05-25 | Precision steel pipe end face run-out detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020892357.6U CN211740051U (en) | 2020-05-25 | 2020-05-25 | Precision steel pipe end face run-out detection mechanism |
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| Publication Number | Publication Date |
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| CN211740051U true CN211740051U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020892357.6U Active CN211740051U (en) | 2020-05-25 | 2020-05-25 | Precision steel pipe end face run-out detection mechanism |
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| CN (1) | CN211740051U (en) |
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2020
- 2020-05-25 CN CN202020892357.6U patent/CN211740051U/en active Active
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