CN216482762U - Special measuring tool for detecting coaxiality and annular belt depth - Google Patents
Special measuring tool for detecting coaxiality and annular belt depth Download PDFInfo
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- CN216482762U CN216482762U CN202123413866.XU CN202123413866U CN216482762U CN 216482762 U CN216482762 U CN 216482762U CN 202123413866 U CN202123413866 U CN 202123413866U CN 216482762 U CN216482762 U CN 216482762U
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Abstract
The utility model relates to the technical field of detection equipment, in particular to a special measuring tool for detecting coaxiality and girdle depth, which comprises a main core rod, wherein a positioning block is detachably arranged at the head end of the main core rod; the other end of main plug is equipped with the installation axle, the installation axle perpendicular to main plug setting and with main plug sliding connection, the both ends of installation axle are equipped with first sleeve pipe and second sleeve pipe symmetrically, slidable mounting has first measuring stick and second measuring stick in first sleeve pipe and the second sleeve pipe respectively, first measuring stick and second measuring stick all are on a parallel with main plug setting, just first measuring stick and second measuring stick all can with the inner wall butt of major diameter hole section, still be equipped with length scale mark on first measuring stick and the second measuring stick. The special measuring tool for detecting the coaxiality and the ring belt depth can conveniently and quickly detect the coaxiality of the step hole and the ring belt depth at the periphery of the step hole, so that the detection efficiency is improved.
Description
Technical Field
The utility model relates to a check out test set technical field especially relates to a special measuring tool of axiality and clitellum degree of depth detection.
Background
The step hole is usually machined by a method of firstly roughly and finely turning a small hole and then roughly and finely turning a large hole. The coaxiality of the stepped holes directly influences the assembly precision of the parts. Coaxiality refers to the degree of non-coaxiality of the measured cylindrical axis to a reference axis, and coaxiality detection is a problem frequently encountered in machining measurement.
At present, the coaxiality detection of the stepped hole is generally carried out manually, the detection standards are different, the structure of the detection tool is complex, and the operation is difficult. The utility model discloses a chinese utility model patent that publication is CN215003389U discloses a step hole axiality on precision part detects uses inspection tool, inspection tool includes the check rod, location benchmark section and inspection benchmark section have in the axial of check rod, the cylinder profile of location benchmark section match in the path hole section design profile in step hole, the cylinder profile of inspection benchmark section match in the big footpath hole section design profile in step hole, just the cylinder of location benchmark section with the cylinder of inspection benchmark section cooperates with the design axiality in step hole. The utility model discloses an in correspond path hole section and the cooperation of big footpath hole section in the step hole respectively through setting up two benchmark sections, can inspect the axiality in the step hole after handling fast, the utility model has the advantages of being simple in structure and convenient in operation, availability factor height. However, the inspection tool can conveniently detect the coaxiality of the small-diameter hole section and the large-diameter hole section of the stepped hole, but the inspection tool cannot simultaneously detect the annular belt depth at the periphery of the stepped hole, and needs further improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a special measuring tool of axiality and clitellum degree of depth detection, the axiality and the special measuring tool of clitellum degree of depth detection can conveniently detect the axiality in step hole and the circumferential clitellum degree of depth in step hole fast to improve detection efficiency.
In order to achieve the technical effects, the utility model adopts the following technical scheme:
a special measuring tool for detecting coaxiality and annular belt depth comprises a main core rod, wherein a positioning block is detachably arranged at the head end of the main core rod, and the cylindrical surface profile of the positioning block is matched with the design profile of a small-diameter hole section of a step hole to be detected; the other end of main plug is equipped with the installation axle, the installation axle perpendicular to main plug setting and with main plug sliding connection, the both ends of installation axle are equipped with first sleeve pipe and second sleeve pipe symmetrically, slidable mounting has first measuring stick and second measuring stick in first sleeve pipe and the second sleeve pipe respectively, first measuring stick and second measuring stick all are on a parallel with main plug setting, just first measuring stick and second measuring stick all can with the inner wall butt of major diameter hole section, still be equipped with length scale mark on first measuring stick and the second measuring stick.
Further, the main mandrel comprises a lower connecting section and an upper connecting section, the positioning block is detachably arranged at one end, far away from the upper connecting section, of the lower connecting section, the upper connecting section is rotatably connected with the lower connecting section, and the mounting shaft is slidably mounted on the upper connecting section.
Furthermore, a threaded joint is arranged on the lower connecting section, and a threaded groove matched with the threaded joint is formed in one end, close to the first connecting joint, of the positioning block.
Furthermore, the middle part of going up the linkage segment is equipped with the spout, the spout radially runs through along last linkage segment go up the linkage segment, installation axle slidable mounting in the spout, still be equipped with on the last linkage segment and be used for locking the locating component of installation axle.
Furthermore, the positioning assembly is a locking bolt, and a plurality of bolt through holes are further formed in the upper connecting section.
Furthermore, a groove is formed in the lower connecting section, and one end of the upper connecting section is embedded into the groove and is rotatably connected with the lower connecting section.
Furthermore, the bottom of the groove is at least provided with one mounting groove, a compression spring is arranged in the mounting groove, the top end of the compression spring is fixedly connected with a limiting steel ball, one end of the upper connecting section, which is close to the bottom of the groove, is correspondingly provided with a limiting groove, and the limiting groove can be used for embedding the top end of the limiting steel ball.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of special measuring tool of axiality and clitellum degree of depth detection sets up the detachable locating piece through the front end at main mandrel, when examining the step hole of different apertures size, removable different locating pieces are in order to fix a position this main mandrel. Simultaneously, set up the installation axle at the other end of this main plug, through set up first measuring stick and second measuring stick in the bilateral symmetry of installation axle, inspect axiality and clitellum degree of depth simultaneously through this first measuring stick and second measuring stick, can greatly improve detection efficiency.
Drawings
Fig. 1 is a schematic view of an overall structure of a special measuring tool for detecting coaxiality and girdle depth according to an embodiment of the present invention;
fig. 2 is a top view of a special measuring tool for detecting coaxiality and girdle depth according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a part a-a of a special measuring tool for detecting coaxiality and girdle depth according to an embodiment of the present invention;
fig. 4 is a schematic view of a local enlarged structure at a position B of a special measuring tool for detecting coaxiality and girdle depth according to an embodiment of the present invention;
the reference signs are: 10, main plug, 11, lower linkage segment, 111, screwed joint, 12, upper linkage segment, 121, spacing groove, 20, recess, 21, mounting groove, 22, compression spring, 23, spacing steel ball, 30, spout, 31, bolt through-hole, 32, locking bolt, 40, installation axle, 41, first sleeve pipe, 411, first measuring stick, 42, second sleeve pipe, 421, second measuring stick, 50, locating piece.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4, the special measuring tool for detecting coaxiality and annular band depth provided in this embodiment includes a main core rod 10, where the main core rod 10 includes a lower connecting segment 11 and an upper connecting segment 12, and the upper connecting segment 12 is rotatably connected to the lower connecting segment 11. The head end of the main core rod 10 is detachably provided with a positioning block 50, and the positioning block 50 is detachably arranged at one end of the lower connecting section 11 far away from the upper connecting section 12 and detachably connected with the lower connecting section 11. The cylindrical surface profile of the positioning block 50 is matched with the design profile of the small-diameter hole section of the step hole to be detected, and the positioning block 50 can be in clearance fit with the side wall of the small-diameter hole section when being inserted into the small-diameter hole section and can position the main mandrel 10. Specifically, a threaded joint 111 is arranged on the lower connecting section 11, and a threaded groove matched with the threaded joint 111 is arranged at one end of the positioning block 50 close to the first connecting joint, so that the positioning block 50 can be detached and replaced. In specific implementation, the positioning block 50 may be customized according to the size of the small-diameter hole section of the stepped hole, so that it is suitable for detecting stepped holes of different sizes.
In this embodiment, in order to detect the coaxiality of the stepped hole, the other end of the main mandrel 10 is provided with a mounting shaft 40, and the mounting shaft 40 is arranged perpendicular to the main mandrel 10. Specifically, the mounting shaft 40 is slidably mounted on the upper connecting section 12, so that the mounting position of the mounting shaft 40 can be adjusted according to the depth of the small-diameter hole section. Go up linkage segment 12's middle part and be equipped with spout 30, spout 30 radially runs through along last linkage segment 12 go up linkage segment 12, installation axle 40 slidable mounting be in the spout 30, still be equipped with on the last linkage segment 12 and be used for locking install the locating component of axle 40. Specifically, the positioning assembly is a locking bolt 32, the upper connecting section 12 is further provided with a plurality of bolt through holes 31, and the bolt through holes 31 are uniformly arranged along the sliding direction of the mounting shaft 40 at intervals. In practical implementation, the locking bolt 32 can be rotated along the bolt through hole 31 so that the locking bolt 32 abuts against the mounting shaft 40 to lock the mounting shaft 40, thereby adjusting the position of the mounting shaft 40.
In this embodiment, in order to detect the coaxiality of the stepped holes, the mounting shaft 40 is slidably connected to the upper connecting section 12, a first bushing 41 and a second bushing 42 are symmetrically arranged at two ends of the mounting shaft 40, a first measuring rod 411 and a second measuring rod 421 are slidably mounted in the first bushing 41 and the second bushing 42, respectively, and the first measuring rod 411 and the second measuring rod 421 are both arranged in parallel to the main core rod 10. The distance between the first sleeve 41 and the second sleeve 42 is designed according to the inner diameter of the large-diameter hole section, so that the first measuring rod 411 and the second measuring rod 421 can be abutted against the inner wall of the large-diameter hole section when being inserted into the large-diameter hole section, and when the first measuring rod 411 and the second measuring rod 421 are smoothly inserted into the large-diameter hole section of the stepped hole, the coaxiality of the small-diameter hole section and the large-diameter hole section is better, and the requirements are met. When one or both of the first measuring rod 411 and the second measuring rod 421 cannot be inserted into the large-diameter hole section, it indicates that the coaxiality of the small-diameter hole section and the large-diameter hole section of the stepped hole is not satisfactory.
In this embodiment, in order to detect whether the depth of the annular band meets the requirement while detecting the coaxiality, length scale marks are further provided on the first measuring rod 411 and the second measuring rod 421, so as to detect and read the depth of the large-diameter hole segment. In addition, in order to measure the depth of the girdle in multiple points, the upper connecting section 12 can rotate around the lower connecting section 11, specifically, in order to limit the rotating process, the lower connecting section 11 is provided with a groove 20, and one end of the upper connecting section 12 is embedded into the groove 20 and is rotatably connected with the lower connecting section 11. The bottom of recess 20 is equipped with one mounting groove 21 at least, be equipped with spacing subassembly in the mounting groove 21, spacing subassembly includes fixed mounting and is in compression spring 22 in the mounting groove 21, and compression spring 22's top towards the notch direction of mounting groove 21 and the spacing steel ball 23 of this compression spring 22's top fixedly connected with, it is being close to go up linkage segment 12 the one end correspondence of recess 20 bottom is equipped with spacing groove 121, spacing groove 121 can supply the top embedding of spacing steel ball 23. Preferably, the mounting grooves 21 are provided in four and are uniformly spaced along the circumference of the groove 20, so that the first connecting rod can rotate 90 ° at a time, and thus four data can be read when the detection reading is performed on the depth of the annulus, so that the detection result is accurate.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. The utility model provides a axiality and special measuring tool of clitellum degree of depth detection which characterized in that: the device comprises a main core rod (10), wherein a positioning block (50) is detachably arranged at the head end of the main core rod (10), and the cylindrical surface profile of the positioning block (50) is matched with the design profile of the small-diameter hole section of the step hole to be detected; the other end of main plug (10) is equipped with installation axle (40), installation axle (40) perpendicular to main plug (10) set up and with main plug (10) sliding connection, the both ends of installation axle (40) are equipped with first sleeve pipe (41) and second sleeve pipe (42) symmetrically, slidable mounting has first measuring stick (411) and second measuring stick (421) respectively in first sleeve pipe (41) and second sleeve pipe (42), first measuring stick (411) and second measuring stick (421) all are on a parallel with main plug (10) sets up, and first measuring stick (411) and second measuring stick (421) all can with the inner wall butt of major diameter hole section, still be equipped with length scale mark on first measuring stick (411) and the second measuring stick (421).
2. The special tool for measuring coaxiality and girdle depth according to claim 1, wherein: main plug (10) are including linkage segment (11) and last linkage segment (12) down, locating piece (50) detachably locate linkage segment (11) keep away from the one end of last linkage segment (12) down, go up linkage segment (12) with linkage segment (11) rotate to be connected down, installation axle (40) slidable mounting be in on last linkage segment (12).
3. The special measuring tool for coaxiality and girdle depth detection according to claim 2, wherein: the lower connecting section (11) is provided with a threaded connector (111), and one end of the positioning block (50) close to the first connecting connector is provided with a threaded groove matched with the threaded connector (111).
4. The special measuring tool for coaxiality and girdle depth detection according to claim 3, wherein: go up the middle part of linkage segment (12) and be equipped with spout (30), spout (30) radially run through along last linkage segment (12) go up linkage segment (12), installation axle (40) slidable mounting be in spout (30), still be equipped with on going up linkage segment (12) and be used for locking the locating component of installation axle (40).
5. The special measuring tool for coaxiality and girdle depth detection according to claim 4, wherein: the positioning assembly is a locking bolt (32), and a plurality of bolt through holes (31) are further formed in the upper connecting section (12).
6. The special measuring tool for coaxiality and girdle depth detection according to claim 2, wherein: a groove (20) is formed in the lower connecting section (11), and one end of the upper connecting section (12) is embedded into the groove (20) and is rotatably connected with the lower connecting section (11).
7. The special measuring tool for coaxiality and girdle depth detection according to claim 6, wherein: the bottom of recess (20) is equipped with one mounting groove (21) at least, be equipped with the spacing steel ball of top fixedly connected with (23) of compression spring (22) and compression spring (22) in mounting groove (21), go up linkage segment (12) and be close to the one end correspondence of recess (20) bottom is equipped with spacing groove (121), spacing groove (121) can supply the top embedding of spacing steel ball (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413866.XU CN216482762U (en) | 2021-12-31 | 2021-12-31 | Special measuring tool for detecting coaxiality and annular belt depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413866.XU CN216482762U (en) | 2021-12-31 | 2021-12-31 | Special measuring tool for detecting coaxiality and annular belt depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216482762U true CN216482762U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123413866.XU Active CN216482762U (en) | 2021-12-31 | 2021-12-31 | Special measuring tool for detecting coaxiality and annular belt depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216482762U (en) |
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2021
- 2021-12-31 CN CN202123413866.XU patent/CN216482762U/en active Active
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