CN219869378U - Rotating shaft deflection detection device - Google Patents

Abstract

The utility model discloses a rotating shaft deflection detection device, which belongs to the deflection detection field and comprises a workbench, wherein a motor is arranged in the workbench, an instrument support is arranged at the rear of the workbench, a dial indicator is arranged on the instrument support, three arc-shaped blocks can be connected to the top of an output shaft of the motor, one sides of the arc-shaped blocks, which are close to each other, enclose a fixed groove, a rotating disc is arranged below the arc-shaped blocks, the rotating disc is arranged on the output shaft, a rotating shaft is vertically arranged in the fixed groove, the rotating disc rotates upwards and drives three moving rods to drive the circle centers of the rotating discs to gather through the arc-shaped grooves, so that the three moving rods drive the three abutting blocks to be close to each other, and the three abutting blocks are abutted against the rotating shaft to clamp and fix.

Description

Rotating shaft deflection detection device

Technical Field

The utility model belongs to the technical field of deflection amount detection, and particularly relates to a rotating shaft deflection detection device.

Background

In the production process of the water pump, a common accessory is provided with a rotating shaft, when the rotating shaft is too large, the service life of the rotating shaft is also reduced, so that the rotating shaft is subjected to deflection detection in production, the existing deflection detection device is mainly used for measuring the radial runout error of rotating shaft parts, the rotating shaft is transversely placed, the detecting device is used for positioning the rotating shaft parts by two centers, rotating the detected parts, the measuring head directly measures the radial runout error of the parts in the radial direction of the detected parts, when the rotating shaft is installed or unloaded, one hand is required to support the rotating shaft, the other hand is required to move and fix moving parts of the two centers, the distance between the two centers is adjusted, the operation is relatively laborious in the moving process, the centers are required to be aligned with the circle centers of the rotating shaft, and the rotating shaft detection efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a rotating shaft deflection detection device, which aims to solve the problem that the existing rotating shaft is inconvenient to install, detect and fix, so that the rotating shaft detection efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pivot beat detection device, includes the workstation, the internally mounted of workstation has the motor, be provided with the instrument support at the back of workstation, be provided with the percentage table on the instrument support, the top of the output shaft of motor is connected with three arc piece, and is three the fixed slot is enclosed into to one side that the arc piece is close to each other, the below of arc piece is provided with the rolling disc, the rolling disc sets up on the output shaft, three arc groove has been seted up on the rolling disc, every two one side that the arc piece is close to each other all slides and is provided with the conflict piece, the bottom vertical connection of conflict piece has the carriage release lever, the carriage release lever vertically passes the arc groove.

Further, the arc-shaped groove is gradually far away from the rotary disc core.

Further, three one sides that arc piece is close to each other all are connected with the stopper, the shape of conflict piece is "worker" style of calligraphy, every the both sides of conflict piece are through two stopper and two one side sliding connection that arc piece is close to each other.

Further, one side of the three abutting blocks, which is close to each other, is arc-shaped.

Further, the front of the instrument support is provided with a groove, a connecting block is arranged in the groove, and the dial indicator is rotatably connected to the connecting block.

Further, a plurality of through grooves are formed in two sides of the groove on the instrument support, and the through grooves in two sides of the groove are located in bilateral symmetry of the groove.

Further, screw holes are formed in the abutting blocks, and the abutting blocks are installed in the grooves through bolts, the screw holes and the through grooves.

Further, the top of motor output shaft is equipped with the screw thread, the rolling disc screw thread cup joints in output shaft screw thread department.

Further, the connecting groove has been seted up in the front of connecting block, the inside vertical of connecting groove is connected with vertical axle, the activity cup joints between percentage table and the vertical axle.

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

according to the rotating shaft deflection detection device, the rotating shaft is vertically placed in the fixed groove, the rotating disc is rotated, and the arc-shaped groove drives the three moving rods to rotate the center of the circle of the disc to gather at first while the rotating disc rotates upwards, so that the three moving rods drive the three abutting blocks to approach each other, the three abutting blocks abut against the rotating shaft to clamp and fix, the rotating shaft deflection detection device is simple in one-hand operation and high in fixing speed, moving and fixing moving parts are not needed, and the rotating shaft detection efficiency is effectively improved;

the rotating shaft deflection detection device can adjust the height of the connecting block by disassembling the bolts, so that the height of the dial indicator can be adjusted, and the rotating shaft deflection detection device is suitable for rotating shafts with different heights.

Drawings

FIG. 1 is a perspective view of a spindle runout detection device (including a spindle);

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is an exploded view of fig. 2.

In the figure: 10. a work table; 101. a mounting groove; 20. a rotating electric machine; 210. an output shaft; 220. an arc-shaped block; 221. a fixing groove; 222. a limiting block; 230. a collision block; 231. a moving rod; 240. a rotating disc; 241. an arc-shaped groove; 242. a handle; 30. an instrument bracket; 301. a groove; 302. a through groove; 310. a connecting block; 311. a screw hole; 312. a connecting groove; 313. a vertical shaft; 320. a bolt; 321. a nut; 330. a dial indicator; 331. a measuring head; 40. a rotating shaft.

Description of the embodiments

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-3, the utility model provides a rotation shaft deflection detection device, which comprises a workbench 10, wherein a mounting groove 101 is formed in the workbench 10, a rotating motor 20 is installed in the mounting groove 101, an output shaft 210 of the rotating motor 20 is vertically upwards arranged, the output shaft 210 extends out of the top of the workbench 10, three identical arc blocks 220 are connected to the top end of the output shaft 210, a fixing groove 221 is formed in the middle of the three arc blocks 220 in a surrounding manner, the three arc blocks 220 are mutually separated, one sides, close to each other, of the three arc blocks 220 are respectively connected with a limiting block 222, the three arc blocks 220 are slidably provided with a collision block 230 through the limiting blocks 222, and the shape of the collision block 230 is in an I shape;

the rotating shaft 40 to be detected is placed in the fixing groove 221, the rotating shaft 40 is clamped and fixed by controlling the three abutting blocks 230, and after the rotating motor 20 is started, the three arc blocks 220 are driven to rotate by the output shaft 210, so that the rotating shaft 40 rotates.

Referring to fig. 2 and 3, three abutting blocks 230 are in an arc shape on one side close to each other, so as to be convenient for abutting against the rotating shaft 40, threads are arranged at the top of the output shaft 210, a rotating disc 240 is sleeved on the output shaft 210, the rotating disc 240 is arranged at the bottom of the three arc blocks 220, three arc grooves 241 are formed in the rotating disc 240, the arc grooves 241 are gradually far away from the center of the rotating disc 240, moving rods 231 are vertically connected to the bottom of the three abutting blocks 230, the three moving rods 231 penetrate through the arc grooves 241, and a handle 242 is connected to one side of the rotating disc 240;

when the rotating disc 240 is rotated upwards through the handle 242, the rotating disc 240 drives the three moving rods 231 to rotate the circle center of the rotating disc 240 to gather through the arc-shaped groove 241, so that the three moving rods 231 drive the three abutting blocks 230 to approach each other, the three abutting blocks 230 abut against the rotating shaft 40 to clamp and fix, and the three abutting blocks 230 are far away from each other and cannot fix the rotating shaft 40 when rotating in the opposite direction.

Referring to fig. 2 and 3, an instrument support 30 is vertically connected to the back of the workbench 10, a groove 301 is formed in the front of the instrument support 30, a plurality of through grooves 302 are formed on two sides of the groove 301, the through grooves 302 on two sides are located in the instrument support 30 and are bilaterally symmetrical, a connecting block 310 is arranged in the groove 301, a screw hole 311 is formed in the connecting block 310, the connecting block 310 is installed on the instrument support 30 by penetrating through the through grooves 302 and the screw holes 311 which are in the same horizontal level on two sides through bolts 320, the other side of the bolts 320 is fixed through nuts 321, a connecting groove 312 is formed in the front of the connecting block 310, a vertical shaft 313 is vertically connected in the connecting groove 312, the dial indicator 330 is movably sleeved on the vertical shaft 313, the upper inner wall and the lower inner wall of the connecting groove 312 have certain elasticity, the upper side and the lower side of the dial indicator 330 are in close contact with the inner wall of the connecting groove 312, and the friction force between the dial indicator 330 and the connecting groove 312 enables the dial indicator 330 not to shake easily;

the height of the connecting block 310 can be adjusted by disassembling the bolts 320, the connecting block is suitable for rotating shafts 40 with different heights, and when the measuring head 331 is contacted with the rotating shafts 40 by the rotation dial indicator 330 to measure the deflection value.

The working principle and the using flow of the utility model are as follows: firstly, the rotating shaft 40 is vertically placed in the fixed groove 221 to be supported by one hand, the handle 242 is rotated by the other hand, the rotating disc 240 rotates upwards, meanwhile, the arc-shaped groove 241 drives the three moving rods 231 to rotate the circle center of the disc 240 to gather together, so that the three moving rods 231 drive the three abutting blocks 230 to be close to each other, the three abutting blocks 230 abut against the rotating shaft 40 to clamp and fix, the rotating dial indicator 330 is used for contacting the measuring head 331 with the rotating shaft 40 to measure the deflection value, whether the deflection value is overlarge or not is detected, and the three abutting blocks 230 are far away from each other to be capable of fixing the rotating shaft 40 is detected to rotate in the opposite direction.

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 (9)

1. The utility model provides a pivot beat detection device, includes workstation (10), its characterized in that: the utility model discloses a motor, including workstation (10), motor (20) are installed to the internally mounted of workstation (10), the back of workstation (10) is provided with instrument support (30), be provided with percentage table (330) on instrument support (30), the top of output shaft (210) of motor (20) is connected with three arc piece (220), and is three one side that arc piece (220) are close to each other encloses into fixed slot (221), the below of arc piece (220) is provided with rolling disc (240), rolling disc (240) set up on output shaft (210), three arc groove (241) have been seted up on rolling disc (240), every two one side that arc piece (220) are close to each other all slides and is provided with conflict piece (230), the bottom vertical connection of conflict piece (230) has movable rod (231), movable rod (231) vertically pass arc groove (241).

2. The rotating shaft runout detecting device according to claim 1, wherein: the arc-shaped groove (241) is gradually far away from the center of the rotating disc (240).

3. The rotating shaft runout detecting device according to claim 1, wherein: the three sides of arc piece (220) that are close to each other are all connected with stopper (222), the shape of conflict piece (230) is "worker" style of calligraphy, every the both sides of conflict piece (230) are through two stopper (222) and two one side sliding connection that arc piece (220) are close to each other.

4. The rotating shaft runout detecting device according to claim 1, wherein: one side of the three abutting blocks (230) close to each other is arc-shaped.

5. The rotating shaft runout detecting device according to claim 1, wherein: the front of instrument support (30) has offered recess (301), the internally mounted of recess (301) has connecting block (310), percentage table (330) rotatable coupling is on connecting block (310).

6. The apparatus of claim 5, wherein: a plurality of through grooves (302) are formed in two sides of the upper groove (301) of the instrument support (30), and the through grooves (302) in two sides of the groove (301) are located in bilateral symmetry of the groove (301).

7. The apparatus of claim 6, wherein: screw holes (311) are formed in the abutting blocks (230), and the abutting blocks (230) are installed in the grooves (301) through bolts (320), the screw holes (311) and the through grooves (302).

8. The rotating shaft runout detecting device according to claim 1, wherein: the top of the output shaft (210) of the motor (20) is provided with threads, and the rotating disc (240) is in threaded sleeve connection with the threads of the output shaft (210).

9. The apparatus of claim 5, wherein: the front of connecting block (310) has offered spread groove (312), the inside vertical of spread groove (312) is connected with vertical axle (313), movable cup joint between percentage table (330) and vertical axle (313).