CN221349979U - Measuring head - Google Patents

Abstract

The utility model belongs to the technical field of hub processing auxiliary equipment, and particularly relates to a measuring head. The gauge head is installed on the depth measurement equipment, and the gauge head includes: the measuring tube is a hollow cylinder, one end face of the measuring tube is a measuring surface, and the axial direction of the measuring tube is a first direction; the mounting plate is arranged on the measuring tube, and the mounting plate and the measuring surface are respectively positioned at two ends of the measuring tube; and the mounting structure is used for fixing the mounting plate on the depth measuring equipment. According to the utility model, the probe is replaced by the measuring tube, and when the depth is measured, the contact surface with the cap opening is changed from point contact to surface contact, so that the contact area is increased, and the measuring precision and stability are improved.

Description

Measuring head

Technical Field

The utility model belongs to the technical field of hub processing auxiliary equipment, and particularly relates to a measuring head.

Background

The hub is also called a rim, a steel ring, a wheel and a tyre bell, and the processing technology of the cap opening of the hub is divided into rough turning and finish turning.

After rough turning is finished, in order to detect whether the depth of the rough turning meets the requirements, depth measuring equipment is generally adopted to measure the depth of the cap opening after the rough turning.

The problems of the prior depth measurement device are that the prior depth measurement device adopts a probe to carry out depth measurement in the actual use process, and the measured numerical error is larger and the result of multiple measurements has larger fluctuation due to the poor finish of the surface of the cap opening machined by rough turning.

Disclosure of utility model

The utility model aims to solve the technical problems that: aiming at the technical problem in the background technology, the measuring head is provided, the measuring head adopts a surface contact mode to detect, the contact area is large relative to the mode of point contact of a probe and a workpiece, and the measuring accuracy and stability are greatly improved.

The technical scheme provided by the utility model is as follows:

A gauge head mounted on a depth measurement device, comprising:

The measuring tube is a hollow cylinder, one end face of the measuring tube is a measuring surface, and the axial direction of the measuring tube is a first direction;

The mounting plate is arranged on the measuring tube, and the mounting plate and the measuring surface are respectively positioned at two ends of the measuring tube;

And the mounting structure is used for fixing the mounting plate on the depth measuring equipment.

Preferably, the mounting plate is provided with a boss which is inserted into the cavity of the measuring tube.

Preferably, the mounting plate is provided with a through hole, and the through hole penetrates through two ends of the mounting plate along a first direction;

The mounting structure includes:

The first gasket is sleeved outside the screw rod of the first bolt, the screw rod of the first bolt can be inserted into the through hole, the first gasket can limit the bolt head of the first bolt to penetrate through the through hole, and the screw rod of the first bolt is fixedly connected with the depth measuring equipment through threads.

Preferably, the mounting structure includes:

The screwing rod is fixed at one end of the mounting plate far away from the measuring tube;

the threaded rod is fixed at one end of the screwing rod far away from the mounting plate;

the rotating screw rod drives the threaded rod to be connected and fixed with the depth measuring equipment through threads.

Preferably, the mounting structure includes:

the sleeve is arranged at one end of the mounting plate, which is far away from the measuring tube;

The adapter comprises a threaded section, a screwing section and a connecting section which are sequentially connected along a first direction; rotating the screwing section to fix the threaded section through threads and connecting the threaded section with depth measuring equipment;

the locking assembly is used for fixing the connecting section of the insertion sleeve relative to the sleeve.

Preferably, a supporting section is further arranged between the connecting section and the screwing section;

the outer wall of the sleeve is provided with a supporting ring, and the supporting ring is positioned at one end of the sleeve far away from the mounting plate; the support ring is matched with the support section.

Preferably, the sleeve is provided with at least one threaded hole, and the threaded hole penetrates through the inner wall and the outer wall of the sleeve;

The locking assembly includes:

The fastener is connected in the threaded hole through threads;

The first limiting groove is formed in the connecting section, and the fastener is matched with the first limiting groove.

Preferably, the sleeve is provided with at least one mounting hole, and the mounting hole penetrates through the inner wall and the outer wall of the sleeve;

The locking assembly includes:

The sleeve is sleeved on the outer wall of the sleeve, the inner wall of the sleeve comprises a first section, a second section and a third section which are sequentially arranged, the inner diameter of the first section is smaller than that of the third section, and the inner diameter of the second section is sequentially increased along the first section to the third section;

an elastic member disposed between the sleeve and the mounting plate;

the second limiting groove is arranged on the connecting section;

The limiting piece can extend into the sleeve along the mounting hole, and the mounting hole can limit the limiting piece to completely slide into the sleeve;

When the sleeve moves up and down, the limiting piece can be horizontally opposite to the first section, the second section and the third section respectively;

when the elastic piece is used for propping the sleeve on the supporting ring, the first section pushes the limiting piece to be clamped into the second limiting groove.

Preferably, the mounting plate is provided with a through groove, and the through groove penetrates through two ends of the mounting plate along a first direction;

The mounting structure includes:

The second gasket is sleeved outside the screw rod of the second bolt, the screw rod of the second bolt can be inserted into the through groove, the second gasket can limit the bolt head of the second bolt to penetrate through the through groove, and the screw rod of the second bolt is fixedly connected with the depth measuring equipment through threads.

Preferably, the mounting plate is close to the one end of survey buret and is equipped with the draw-in groove, draw-in groove and run through groove mutually perpendicular, the draw-in groove is used for restricting the position of second gasket.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the probe is replaced by the measuring tube, and when the depth is measured, the contact surface with the cap opening is changed from point contact to surface contact, so that the contact area is increased, and the measuring precision and stability are improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of a tooling structure according to the present utility model;

FIG. 2 is a bottom view of FIG. 1 of the present utility model;

FIG. 3 is a top view of the hub mounted tooling of the present utility model;

FIG. 4 is a bottom view of the hub mounted tooling of the present utility model;

FIG. 5 is a schematic perspective view of a tooling with a hub according to the present utility model;

Fig. 6 is a schematic view of a first mounting hole structure according to the present utility model.

In the figure: 1. a measuring tube; 2. a measurement surface; 3. a mounting plate; 4. a boss; 5. a through hole; 6. a first bolt; 7. a first gasket; 8. screwing the rod; 9. a threaded rod; 10. a sleeve; 11. an adapter; 12. a threaded section; 13. a screwing section; 14. a connection section; 15. a support section; 16. a support ring; 17. a threaded hole; 18. a fastener; 19. a first limit groove; 20. a mounting hole; 21. a sleeve; 22. a first section; 23. a second section; 24. a third section; 25. an elastic member; 26. a second bolt; 27. a second gasket; 28. a through groove; 29. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-6, a gauge head, for mounting on a depth measurement device, comprises:

The measuring device comprises a measuring tube 1, wherein the measuring tube 1 is a hollow cylinder, one end face of the measuring tube 1 is a measuring face 2, and the axial direction of the measuring tube 1 is a first direction;

the mounting plate 3 is arranged on the measuring tube 1, and the mounting plate 3 and the measuring surface 2 are respectively positioned at two ends of the measuring tube;

and a mounting structure for fixing the mounting plate 3 to the depth measuring apparatus.

In some embodiments, a boss 4 is provided on the mounting plate 3, the boss 4 being inserted into the cavity of the measuring tube 1. The boss 4 is arranged to realize quick positioning of the measuring tube 1 and the mounting plate 3, so that welding positioning is facilitated.

The depth measuring device is in the prior art (for example, patent number: CN 219495178U), and the connection mode of the movable shaft (measuring shaft of the dial indicator or dial indicator) and the measuring head is that a threaded hole 17 is coaxially formed in the movable shaft, and the measuring head is connected in the threaded hole 17 through threads.

It should be noted that the connection mode of the utility model and the measuring equipment is threaded connection. Other depth measuring devices may be used to make measurements as long as the present utility model is attachable.

Specifically, the present device is mounted on a depth measuring apparatus, the position of the boss is moved so that the cap opening is eccentric to the measuring tube 1, and then the relative height D1 of the top surface of the cap opening is measured. Further, the hub position is adjusted so that the cap opening is coaxial with the measuring tube 1, and the relative height D2 of the bottom surface of the cap opening is obtained by measuring again. The result obtained by subtracting D1 from D2 is the height D of the cap.

Example 2

The mounting structure will be described in detail with reference to fig. 4.

The mounting plate 3 is provided with a through hole 5, and the through hole 5 penetrates through two ends of the mounting plate 3 along a first direction;

The mounting structure includes:

The first bolt 6 and the first gasket 7, the first gasket 7 cover is established outside the screw rod of first bolt 6, the screw rod of first bolt 6 can insert in the through-hole 5, the bolt head of first bolt 6 can be restricted to first gasket 7 passes through-hole 5, and the screw rod of first bolt 6 is connected fixedly through screw thread and depth measurement equipment.

In some embodiments, the through-hole 5 is coaxial with the measurement tube 1.

In some embodiments, the diameter of the through hole 5 has a larger clearance from the shank diameter of the first bolt 6. During installation, the mounting plate 3 can be moved in the horizontal direction according to the requirement, and the coaxiality of the measuring tube 1 and the first bolt 6 (namely, the coaxiality of the measuring tube 1 and the measuring shaft) can be adjusted.

In some embodiments, the first spacer 7 may not be used, but the bolt head of the first bolt 6 is limited in size, i.e., the bolt head of the first bolt 6 cannot pass through the through hole 5.

Example 3

Referring to fig. 3, a mounting structure different from that of embodiment 2 is provided.

The mounting structure includes:

a screwing rod 8, the screwing rod 8 being fixed at one end of the mounting plate 3 remote from the measuring tube 1;

A threaded rod 9, the threaded rod 9 being fixed to the end of the screw rod 8 remote from the mounting plate 3;

The screw rod 8 is rotated to drive the threaded rod 9 to be fixedly connected with the depth measuring equipment through threads.

In some embodiments, the screw 8 may be a regular hexagonal prism, or may be a nut, a square tube, or the like instead, and in actual operation, if a wrench is used, the screw 8 should have at least one pair of planes parallel to each other. If a lever is used, a through hole for the lever to pass through needs to be formed in the screwing rod 8.

In this embodiment, the screw rod 8 is coaxially disposed with the threaded rod 9.

In the present embodiment, the position of the measurement pipe 1 in the horizontal direction is not adjustable.

Example 4

Referring to fig. 5 and 6, a mounting structure different from that of both embodiment 2 and embodiment 3 is provided.

The mounting structure includes:

A sleeve 10, said sleeve 10 being arranged at the end of the mounting plate 3 remote from the measuring tube 1;

An adapter 11, wherein the adapter 11 comprises a threaded section 12, a screwing section 13 and a connecting section 14 which are sequentially connected along a first direction; rotating the screwing section 13 to fix the threaded section 12 through the connection of threads and depth measuring equipment;

A locking assembly that secures the connecting section 14 of the insert sleeve 10 relative to the sleeve 10.

When the device is particularly used, the screwing section 13 is rotated to drive the threaded section 12 to be in threaded connection with the threaded hole 17 of the connecting shaft, and the adapter 11 is fixedly connected with the depth measuring equipment. Further, the sleeve 10 is nested in alignment with the connector section 14, and the connector section 14 and sleeve 10 are then secured relative to one another by a locking assembly.

In some embodiments, a support section 15 is also provided between the connecting section 14 and the screwing section 13;

The outer wall of the sleeve 10 is provided with a support ring 16, and the support ring 16 is positioned at one end of the sleeve 10 far away from the mounting plate 3; the support ring 16 cooperates with the support section 15. The sleeve 10 and the connecting section 14 can be ensured to be parallel to each other by means of the support ring 16 and the support section 15 being mutually attached.

In some embodiments, the locking assembly is configured to: at least one threaded hole 17 is arranged on the sleeve 10, and the threaded hole 17 penetrates through the inner wall and the outer wall of the sleeve 10;

The locking assembly includes:

A fastener 18, the fastener 18 being threadedly connected within the threaded bore 17;

the first limiting groove 19 is formed in the connecting section 14, and the fastening piece 18 is matched with the first limiting groove 19.

The fastener 18 may be a set screw, bolt, or the like. The fixing effect can be improved by arranging the end of the fastener 18 inserted into the sleeve 10 in a spherical crown shape or a conical shape which is matched with the first limit groove 19.

In some embodiments, the locking assembly is configured to: at least one mounting hole 20 is arranged on the sleeve 10, and the mounting hole 20 penetrates through the inner wall and the outer wall of the sleeve 10;

The locking assembly includes:

the sleeve 21 is sleeved on the outer wall of the sleeve 10, the inner wall of the sleeve 21 comprises a first section 22, a second section 23 and a third section 24 which are sequentially arranged, the inner diameter of the first section 22 is smaller than the inner diameter of the third section 24, and the inner diameter of the second section 23 sequentially increases along the first section 22 to the third section 24;

An elastic member 25, the elastic member 25 being disposed between the sleeve 21 and the mounting plate 3;

A second limiting groove 30, wherein the second limiting groove 30 is arranged on the connecting section 14;

The limiting piece 31, the limiting piece 31 can extend into the sleeve 10 along the mounting hole 20, and the mounting hole 20 can limit the limiting piece 31 to slide into the sleeve 10 (namely, can limit the limiting piece 31 to fall into the sleeve 10);

when the sleeve 21 moves up and down, the limiting member 31 may be horizontally opposite to the first section 22, the second section 23 and the third section 24, respectively;

When the elastic member 25 abuts the sleeve 21 on the support ring 16, the first section 22 pushes the limiting member 31 to be attached to the mounting hole 20.

In particular use, sleeve 21 is pulled in the direction of mounting plate 3 so that third section 24 is horizontally opposite to stop 31, at which time elastic member 25 is compressed, and connecting segment 14 is then inserted into sleeve 10, and the insertion depth of connecting segment 14 is rapidly determined by abutment of support segment 15 and support ring 16 (at which time, second stop slot 30 is horizontally opposite to stop 31). Further, the sleeve 21 is released, the elastic member 25 is restored to be deformed, and the sleeve 21 is pushed to move toward the support ring 16 and to be abutted against the support ring 16. In this process, the third section 24, the second section 23 and the first section 22 are horizontally opposite to the limiting member 31, respectively, and since the inner diameter of the second section 23 sequentially increases from the first section 22 to the third section 24, the limiting member 31 can be pushed to move into the mounting hole 20 and be clamped into the second limiting groove 30, so that the connecting section 14 and the sleeve 10 are relatively fixed.

In some embodiments, the stop 31 is spherical. The number of the stoppers 31 and the mounting holes 20 is not limited, but preferably 3 or more, and the stoppers 31 and the mounting holes 20 are distributed in an annular array.

In some embodiments, the resilient member 25 is a compression spring, belleville spring, or the like. The number of the elastic members 25 is not limited, and may be one or more. Preferably, a compression spring is provided on the outer wall of the sleeve 10.

In some embodiments, a stop collar is provided on the first section 22 and/or the third section 24, the stop collar being in close proximity to the outer wall of the sleeve 10, the stop collar acting to limit the relative position of the sleeve 21 and the sleeve 10, preventing the stop 31 from being disengaged from the mounting hole 20 (not shown).

It should be noted that the first section 22 should be capable of fully confining the plurality of limiting members 31 within the mounting hole 20, and at this time, a portion of the limiting members 31 is located in the sleeve inner cavity. The inner diameter of the third section 24 should be such that a portion of the plurality of stop members 31 are located within the mounting hole 20 and do not extend into the interior cavity of the sleeve 10.

Example 5

Referring to fig. 1 and 2, a mounting structure different from that of each of embodiment 2, embodiment 3 and embodiment 4 is provided.

A penetrating groove 28 is formed in the mounting plate 3, and the penetrating groove 28 penetrates through two ends of the mounting plate 3 along a first direction;

the mounting structure includes:

The second bolt 26 and the second gasket 27, the second gasket 27 cover is established outside the screw rod of second bolt 26, the screw rod of second bolt 26 can insert in the through groove 28, the bolt head of second bolt 26 can be restricted to the second gasket 27 and the through groove 28 is passed, the screw rod of second bolt 26 is connected fixedly through the screw thread and the depth measurement equipment.

The width of the through groove 28 should be larger than the diameter of the second bolt 26. During installation, the coaxiality of the measuring tube 1 and the second bolt 26 can be adjusted by moving the second bolt 26 back and forth and left and right.

In some embodiments, the through slots 28 extend horizontally out of both sides of the mounting plate 3. The mounting plate 3 does not need grooving during manufacturing, and two plates are adopted, so that the manufacturing time of the mounting plate 3 is saved.

In some embodiments, the mounting plate 3 is provided with a clamping groove 29 at one end near the measuring tube 1, the clamping groove 29 is perpendicular to the through groove 28, and the clamping groove 29 is used for limiting the position of the second gasket 27. The position of the spacer is limited to a small range by the clamping groove 29, and only fine adjustment is needed when the coaxiality of the second bolt 26 and the measuring tube 1 is adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A gauge head for mounting on a depth measurement device, comprising:

The measuring device comprises a measuring tube (1), wherein the measuring tube (1) is a hollow cylinder, one end face of the measuring tube (1) is a measuring surface (2), and the axial direction of the measuring tube (1) is a first direction;

The mounting plate (3) is arranged on the measuring tube (1), and the mounting plate (3) and the measuring surface (2) are respectively positioned at two ends of the measuring tube (1);

And the mounting structure is used for fixing the mounting plate (3) on the depth measuring equipment.

2. A measuring head according to claim 1, characterized in that the mounting plate (3) is provided with a boss (4), the boss (4) being inserted into the cavity of the measuring tube (1).

3. A gauge head according to claim 1, wherein the mounting plate (3) is provided with through holes (5), the through holes (5) penetrating both ends of the mounting plate (3) in the first direction;

The mounting structure includes:

The device comprises a first bolt (6) and a first gasket (7), wherein the first gasket (7) is sleeved outside a screw rod of the first bolt (6), the screw rod of the first bolt (6) can be inserted into a through hole (5), the first gasket (7) can limit the bolt head of the first bolt (6) to penetrate through the through hole (5), and the screw rod of the first bolt (6) is fixedly connected with depth measuring equipment through threads.

4. A gauge head according to claim 1, wherein the mounting structure comprises:

The screwing rod (8) is fixed at one end of the mounting plate (3) far away from the measuring tube (1);

The threaded rod (9), the threaded rod (9) is fixed at one end of the screwing rod (8) far away from the mounting plate (3);

The screwing rod (8) is rotated to drive the threaded rod (9) to be connected and fixed with the depth measuring equipment through threads.

5. A gauge head according to claim 1, wherein the mounting structure comprises:

the sleeve (10) is arranged at one end of the mounting plate (3) far away from the measuring tube (1);

The adapter (11), the adapter (11) comprises a threaded section (12), a screwing section (13) and a connecting section (14) which are connected in sequence along a first direction; rotating the screwing section (13) to fix the threaded section (12) with the depth measuring equipment through threads;

And the locking assembly is used for fixing the connecting section (14) inserted into the sleeve (10) relative to the sleeve (10).

6. A gauge head according to claim 5, characterized in that a support section (15) is also provided between the connecting section (14) and the screwing section (13);

the outer wall of the sleeve (10) is provided with a supporting ring (16), and the supporting ring (16) is positioned at one end of the sleeve (10) far away from the mounting plate (3); the support ring (16) cooperates with the support section (15).

7. A gauge head according to claim 6, wherein the sleeve (10) is provided with at least one threaded hole (17), the threaded hole (17) extending through both the inner and outer walls of the sleeve (10);

The locking assembly includes:

a fastener (18), the fastener (18) being threadedly connected within the threaded bore (17);

The first limiting groove (19), first limiting groove (19) sets up on linkage segment (14), fastener (18) with first limiting groove (19) mutually support.

8. A gauge head according to claim 6, wherein the sleeve (10) is provided with at least one mounting hole (20), the mounting hole (20) extending through both the inner and outer walls of the sleeve (10);

The locking assembly includes:

The sleeve (21) is sleeved on the outer wall of the sleeve (10), the inner wall of the sleeve (21) comprises a first section (22), a second section (23) and a third section (24) which are sequentially arranged, the inner diameter of the first section (22) is smaller than that of the third section (24), and the inner diameter of the second section (23) sequentially increases along the first section (22) to the third section (24);

an elastic member (25), the elastic member (25) being disposed between the sleeve (21) and the mounting plate (3);

The second limiting groove (30) is formed in the connecting section (14);

The limiting piece (31) can extend into the sleeve (10) along the mounting hole (20), and the mounting hole (20) can limit the limiting piece (31) to completely slide into the sleeve (10);

When the sleeve (21) moves up and down, the limiting piece (31) can be horizontally opposite to the first section (22), the second section (23) and the third section (24) respectively;

When the sleeve (21) is propped against the support ring (16) by the elastic piece (25), the first section (22) pushes the limiting piece (31) to be clamped into the second limiting groove (30).

9. A gauge head according to claim 1, wherein the mounting plate (3) is provided with a through slot (28), the through slot (28) extending through both ends of the mounting plate (3) in the first direction;

The mounting structure includes:

the second bolt (26) and second gasket (27), second gasket (27) cover are established outside the screw rod of second bolt (26), the screw rod of second bolt (26) can insert in running through groove (28), the bolt head of second bolt (26) can be restricted to second gasket (27) passes running through groove (28), and the screw rod of second bolt (26) is connected fixedly with depth measurement equipment through the screw thread.

10. A measuring head according to claim 9, characterized in that the mounting plate (3) is provided with a clamping groove (29) at one end near the measuring tube (1), the clamping groove (29) being mutually perpendicular to the through groove (28), the clamping groove (29) being used for limiting the position of the second spacer (27).