CN215413475U

CN215413475U - Key groove position degree detection device

Info

Publication number: CN215413475U
Application number: CN202121368176.4U
Authority: CN
Inventors: 赵瑞学
Original assignee: Shijiazhuang Special Roller Co ltd
Current assignee: Shijiazhuang Special Roller Co ltd
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2022-01-04
Anticipated expiration: 2031-06-19

Abstract

The utility model relates to the technical field of detection, in particular to a keyway position degree detection device, which comprises a base and a measuring block, wherein the top end of the base is connected with a support frame, the top end of the support frame is connected with a fixed column, the fixed column is slidably connected with a mounting plate through a moving seat, the moving seat is in threaded connection with a locking bolt, the mounting plate is provided with a cylinder, the output end of the cylinder penetrates through the mounting plate and is connected with a connecting plate, the measuring block is connected with the connecting plate through a replacing assembly, the top end of the support frame is connected with a limiting assembly for limiting a shaft to be measured, the support frame is provided with a motor, the output end of the motor is connected with a lead screw, the lead screw is in threaded connection with a movable plate, the movable plate is connected with a limiting cover, the top end of the support frame is connected with a limiting rod, and a limiting hole matched with the limiting rod is formed in the movable plate, so that the measuring block can be quickly replaced, and is suitable for detection of keyways with different sizes, and it accommodates the spacing of shafts to be measured over a large diameter range.

Description

Key groove position degree detection device

Technical Field

The utility model relates to the technical field of detection, in particular to a keyway position degree detection device.

Background

As is known, a key slot is a slot formed in a shaft or a hole for mounting a key to transmit torque, and a position detection device is usually used to detect the position of the key slot so as to match the tolerance of the key.

Through the retrieval, chinese patent publication is CN 210089534U's utility model discloses a position degree is examined utensil for taper hole keyway, its approximate description does, including taper sleeve, measuring block and base, the shape of base upper end is for being used for the installation by the cylinder of part, the keyway has been seted up along the axial in the cylindrical outside, the shape of taper sleeve is hollow cone, one side of cone is provided with the breach, the taper sleeve cover is established on the cylinder, the breach communicates with the opening both sides of keyway, the taper sleeve is used for axial positioning by the part, one side and the keyway grafting cooperation of measuring block testing part, the opposite side of measuring block testing part is used for detecting with the keyway grafting cooperation of being measured the part, insert the measuring block through top-down, if the measuring block can all get into the keyway of part, then explain the part is qualified.

Although the above prior art scheme can detect the position degree of part keyway fast, nevertheless need use different measuring block when carrying out the position degree to the keyway of different model sizes and detecting, foretell prior art is when changing measuring block the operation comparatively loaded down with trivial details, and change efficiency is lower to taper sleeve and base are fixed shape and size among the foretell prior art, and difficult waiting to measure the axle to carry on spacingly, lead to its use limitation higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a key groove position degree detection device, which solves the problems that a measurement block is inconvenient to replace quickly and shafts to be measured with different sizes are inconvenient to limit in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a keyway position degree detection device, includes the base and measures the piece, the top of base is connected with the support frame, the top of support frame is connected with the fixed column, there is the mounting panel through removing a sliding connection on the fixed column, threaded connection has the locking bolt on removing the seat, install the cylinder on the mounting panel, the output of cylinder passes the mounting panel and is connected with the connecting plate, it connects on the connecting plate to measure the piece through the renewal subassembly, the top of support frame is connected with and is used for treating the measuring spindle and carries out spacing subassembly, install the motor on the support frame, the output of motor is connected with the lead screw, threaded connection has the movable plate on the lead screw, be connected with spacing cover on the movable plate, the top of support frame is connected with the gag lever post to set up the spacing hole that matches with the gag lever post on the movable plate.

Preferably, it includes a plurality of installation pieces to change the subassembly, the installation piece is connected with the measuring block, set up a plurality ofly on the connecting plate and the mounting hole that the installation piece matches, be connected with a plurality of fixed plates on the connecting plate, it is a plurality of the fixed plate has the chucking frame through a plurality of chucking spring coupling, set up the chucking groove that matches with the chucking frame on the installation piece.

Furthermore, spacing subassembly includes a plurality of backup pads, the backup pad has the spacing ring through spacing spring coupling, the spacing ring contacts with the axle that awaits measuring, the spacing ring is connected with the slide bar to set up the slide opening that matches with the slide bar in the backup pad.

Furthermore, the screw rod is in threaded connection with a supporting block, the supporting block is in sliding fit with the limiting rod, the supporting block is connected with a supporting ring through a plurality of supporting springs, the supporting ring is in contact with the shaft to be detected, and the limiting rod and the top end of the screw rod are rotatably connected with a stabilizing plate.

On the basis of the scheme, the support frame is connected with a lifting plate through a telescopic rod, and the lifting plate is connected with the mounting plate.

On the basis of the scheme, the clamping frame is further connected with a pull ring.

Furthermore, the bottom of base rotates and is connected with a plurality of gyro wheels.

Still further, scales are arranged on the fixing column.

(III) advantageous effects

Compared with the prior art, the utility model provides a key groove position degree detection device, which has the following beneficial effects:

1. this keyway position degree detection device can be connected the measuring block on the connecting plate through the change subassembly, can drive the inside that the measuring block inserted the keyway through the cylinder, when examining not unidimensional keyway, can dismantle the measuring block from the connecting plate fast through the change subassembly and change it, compares foretell prior art, and this scheme is convenient for carry out quick replacement to the measuring block, adapts to the detection of not unidimensional keyway.

2. This keyway position degree detection device can treat through spacing subassembly that the axle goes on spacingly, and the motor can drive the lead screw and rotate, and through the screw-thread fit of movable plate and lead screw and the limiting displacement of gag lever post to the movable plate, can drive spacing cover and go up and down along the lead screw, the straining is on the top of waiting to survey the axle to it is spacing to treat to survey the axle and carry out the axial, compares foretell prior art, and this scheme is adaptable to waiting to survey the axle spacing of major diameter scope.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partially sectioned perspective structure of the measuring block, the mounting block, the fixing plate, the clamping frame, and the like of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the screw rod, the limiting rod, the supporting block, the supporting ring and the like in cooperation in the utility model;

FIG. 4 is a schematic view of a three-dimensional structure of the support plate, the limiting ring, the slide rod and the supporting block of the present invention.

In the figure: 1. a base; 2. a measuring block; 3. a support frame; 4. fixing a column; 5. mounting a plate; 6. a cylinder; 7. a connecting plate; 8. a motor; 9. a screw rod; 10. moving the plate; 11. a limiting cover; 12. a limiting rod; 13. mounting blocks; 14. a fixing plate; 15. a clamping frame; 16. a support plate; 17. a limiting ring; 18. a slide bar; 19. a support block; 20. a support ring; 21. a telescopic rod; 22. a pull ring; 23. a roller; 24. and (4) calibration.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, a keyway position detection device comprises a base 1 and a measuring block 2, wherein a plurality of rollers 23 are rotatably connected to the bottom end of the base 1 to facilitate movement of the keyway position detection device, a support frame 3 is connected to the top end of the base 1, a fixed column 4 is connected to the top end of the support frame 3, a mounting plate 5 is slidably connected to the fixed column 4 through a movable seat, scales 24 are arranged on the fixed column 4 to facilitate accurate height adjustment of the measuring block 2 according to the position requirement of a keyway, a locking bolt is connected to the movable seat in a threaded manner, a lifting plate is connected to the support frame 3 through a telescopic rod 21 and connected to the mounting plate 5, so as to facilitate improvement of the stability of the mounting plate 5 and further improve the stability of the cylinder 6 and the measuring block 2, the cylinder 6 is mounted on the mounting plate 5, and the output end of the cylinder 6 passes through the mounting plate 5 and is connected to a connecting plate 7, measuring block 2 is connected on connecting plate 7 through the change subassembly, the change subassembly includes a plurality of installation pieces 13, installation piece 13 and measuring block 2 are connected, set up a plurality ofly on the connecting plate 7 and install the mounting hole that piece 13 matches, be connected with a plurality of fixed plates 14 on the connecting plate 7, a plurality of fixed plates 14 are connected with chucking frame 15 through a plurality of chucking springs, set up the chucking groove that matches with chucking frame 15 on the installation piece 13, can be with the inside in the chucking groove of chucking frame 15 chucking through chucking spring, thereby fix the inside at the mounting hole with installation piece 13, install measuring block 2 on connecting plate 7, pulling chucking frame 15, can release installation piece 13 from the inside of mounting hole, it can to change measuring block 2, chucking frame 15 is connected with pull ring 22, be convenient for stimulate chucking frame 15.

It should be further noted that the top end of the supporting frame 3 is connected with a limiting component for limiting the shaft to be measured, the limiting component comprises a plurality of supporting plates 16, the supporting plates 16 are connected with limiting rings 17 through limiting springs, the limiting rings 17 are contacted with the shaft to be measured, the limiting rings 17 are connected with sliding rods 18, the supporting plates 16 are provided with sliding holes matched with the sliding rods 18, the limiting rings 17 can be driven to abut against the shaft to be measured through the limiting springs to limit the shaft to be measured, the sliding rods 18 can improve the stability of the limiting rings 17, the supporting frame 3 is provided with a motor 8, the output end of the motor 8 is connected with a lead screw 9, the lead screw 9 is in threaded connection with a movable plate 10, the movable plate 10 is connected with a limiting cover 11, the top end of the supporting frame 3 is connected with a limiting rod 12, the movable plate 10 is provided with a limiting hole matched with the limiting rod 12, and the motor 8 can drive the lead screw 9 to rotate, the limit cover 11 can be driven to lift along the screw rod 9 and be fastened at the top end of the shaft to be measured through the threaded fit of the movable plate 10 and the screw rod 9 and the limit action of the limit rod 12 on the movable plate 10, thereby axially limiting the shaft to be measured, a supporting block 19 is connected on the screw rod 9 by screw thread, the supporting block 19 is in sliding fit with the limiting rod 12, the supporting block 19 is connected with a supporting ring 20 through a plurality of supporting springs, the supporting ring 20 is contacted with a shaft to be measured, the top ends of the limiting rod 12 and the screw rod 9 are rotationally connected with a stabilizing plate, the stabilizing plate can improve the stability of the screw rod 9 and the limiting rod 12, the screw rod 9 can be driven to rotate by the motor 8, and by the screw thread fit of the screw rod 9 and the supporting block 19 and the limiting action of the limiting rod 12 on the supporting block 19, the supporting block 19 can be driven to lift, the supporting ring 20 can be driven to abut against the shaft to be measured through the supporting spring, and the shaft to be measured is supported when the cylinder 6 drives the measuring block 2 to be inserted into the key groove.

The cylinder 6 and the motor 8 in this embodiment are conventional devices which are purchased from the market and known to those skilled in the art, and can be customized or selected according to actual requirements, in this patent, we only use them, and do not improve their structures and functions, and their setting mode, installation mode, and electrical connection mode, for those skilled in the art, as long as they are debugged according to the requirements of their usage specifications, they are not described herein again, and the cylinder 6 and the motor 8 are both provided with control switches which are matched with them, and the installation positions of the control switches are selected according to the actual usage requirements, so that the operators can perform operation control conveniently.

In summary, the working principle and working process of the key slot position detecting device are that, when in use, the key slot position detecting device is moved to a place to be used through the roller 23, then the key slot position detecting device is fixed by using lumps and the like along with the local material, when the position of the key slot needs to be detected, the lead screw 9 is driven to rotate through the motor 8 according to the length of a shaft to be detected, the movable plate 10 and the limit cover 11 are driven to ascend through the threaded fit of the lead screw 9 and the movable plate 10 and the limit action of the limit rod 12 on the movable plate 10, the shaft to be detected is arranged among the limit rings 17, the limit rings 17 are driven by the limit springs to clamp the shaft to be detected, the position of the key slot is aligned to the measuring block 2, then the motor 8 rotates reversely to drive the limit cover 11 to be fastened on the shaft to be detected, the shaft to be detected is limited, the support ring 20 is abutted against the shaft to be detected through the support springs, then according to the position requirement of the key groove, the movable seat is slid according to the scales 24, the height of the measuring block 2 is adjusted, the measuring block 2 is driven to be inserted into the key groove through the air cylinder 6, and if the measuring block 2 can completely enter the key groove of the part, the part is qualified.

Further, when examining not unidimensional keyway, need change measuring block 2, pull out chucking frame 15 from the inside in chucking groove through pull ring 22, can release installing block 13 from the inside of mounting hole, change measuring block 2 can, the inside of mounting hole is installed into through installing block 13 to measuring block 2 that will change, loosen pull ring 22, can fix installing block 13 with chucking frame 15 card income chucking groove under chucking spring's drive, can accomplish the change to measuring block 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a keyway position degree detection device, includes base (1) and measuring block (2), its characterized in that: the top end of the base (1) is connected with a supporting frame (3), the top end of the supporting frame (3) is connected with a fixed column (4), the fixed column (4) is connected with a mounting plate (5) through a moving seat in a sliding manner, the moving seat is connected with a locking bolt through threads, the mounting plate (5) is provided with a cylinder (6), the output end of the cylinder (6) penetrates through the mounting plate (5) and is connected with a connecting plate (7), the measuring block (2) is connected onto the connecting plate (7) through a replacing assembly, the top end of the supporting frame (3) is connected with a limiting assembly for limiting a shaft to be measured, the supporting frame (3) is provided with a motor (8), the output end of the motor (8) is connected with a lead screw (9), the lead screw (9) is connected with a movable plate (10) through threads, and the movable plate (10) is connected with a limiting cover (11), the top end of the support frame (3) is connected with a limiting rod (12), and a limiting hole matched with the limiting rod (12) is formed in the movable plate (10).

2. A key groove position degree detecting device according to claim 1, wherein: the replacement assembly comprises a plurality of mounting blocks (13), the mounting blocks (13) are connected with the measuring blocks (2), a plurality of mounting holes matched with the mounting blocks (13) are formed in the connecting plate (7), a plurality of fixing plates (14) are connected to the connecting plate (7) and a plurality of clamping frames (15) are connected to the fixing plates (14) through a plurality of clamping springs, and clamping grooves matched with the clamping frames (15) are formed in the mounting blocks (13).

3. A key groove position degree detecting device according to claim 2, wherein: the limiting assembly comprises a plurality of supporting plates (16), the supporting plates (16) are connected with limiting rings (17) through limiting springs, the limiting rings (17) are in contact with the shaft to be tested, the limiting rings (17) are connected with sliding rods (18), and sliding holes matched with the sliding rods (18) are formed in the supporting plates (16).

4. A key groove position degree detecting device according to claim 3, wherein: the screw rod (9) is connected with a supporting block (19) in a threaded manner, the supporting block (19) is in sliding fit with the limiting rod (12), the supporting block (19) is connected with a supporting ring (20) through a plurality of supporting springs, the supporting ring (20) is in contact with a shaft to be detected, and the limiting rod (12) and the top end of the screw rod (9) are rotatably connected with a stabilizing plate.

5. A key groove position degree detecting device according to claim 4, wherein: the support frame (3) is connected with a lifting plate through a telescopic rod (21), and the lifting plate is connected with the mounting plate (5).

6. A key groove position degree detecting device according to claim 5, wherein: the clamping frame (15) is connected with a pull ring (22).

7. A key groove position degree detecting device according to claim 6, wherein: the bottom of base (1) rotates and is connected with a plurality of gyro wheels (23).

8. A key groove position degree detecting device according to claim 7, wherein: scales (24) are arranged on the fixed column (4).