CN114562974A

CN114562974A - Rotating shaft angle measuring tool

Info

Publication number: CN114562974A
Application number: CN202210230192.XA
Authority: CN
Inventors: 梁业
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-05-31

Abstract

The application provides a rotating shaft angle measuring tool, and belongs to the technical field of rotating shaft angle measurement. The fixture comprises a clamping mechanism and a rotating mechanism, wherein the clamping mechanism comprises a fixed seat, a first motor, an upright rod, a fixed ring, a rotating ring and an elastic piece, the output shaft of the first motor penetrates through the fixed seat and is connected with a screw rod, the two upright posts are respectively connected with the screw rod through two sections of threads in opposite directions on the screw rod, the fixing ring is fixed at the top of the upright stanchion, the elastic piece is fixedly arranged at the inner side of the rotating ring, the rotating mechanism comprises a second motor and a circular plate, an output shaft of the second motor is fixedly inserted into the circular plate, the cross bar is arranged on one side of the top of the support bar, the bottom of the cross bar is provided with an electromagnetic slide rail, the top of the distance sensor is provided with a slide block, the slider slidable mounting in electromagnetism slide rail, this frock can carry out the centre gripping according to the length and the radius of pivot to detect better.

Description

Rotating shaft angle measuring tool

Technical Field

The application relates to the technical field of rotating shaft angle measurement, in particular to a rotating shaft angle measurement tool.

Background

The pivot is used for mechanical parts's connection more, has the effect of rotating the connection. The angle of the rotating shaft directly influences the movement effect of the part. The inventor finds that the lengths of the rotating shafts are different, the rotating shafts need to be detected from beginning to end during detection, in addition, the radiuses of the rotating shafts are different, and the conventional tool cannot well clamp and fix the rotating shafts, so that the accuracy of detection results is influenced.

How to invent a rotating shaft angle measuring tool to improve the problems becomes a problem to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In order to compensate for above not enough, this application provides a pivot angular surveying frock, aims at improving the inconvenient length and the radius according to the pivot of frock and carries out the fixed problem of centre gripping.

The embodiment of the application provides a rotating shaft angle measuring tool, which comprises a clamping mechanism and a rotating mechanism, wherein the clamping mechanism comprises a fixed seat, a first motor, a vertical rod, a fixed ring, a rotating ring and an elastic piece, the top opening of the fixed seat is arranged, the first motor is arranged at the side part of the fixed seat, the first motor output shaft penetrates through the fixed seat and is connected with a lead screw, one end of the lead screw is rotatably arranged on the inner wall of the fixed seat, two sections of threads in opposite directions are arranged on the lead screw, the two vertical rods are symmetrically arranged and are respectively connected with the lead screw through the two sections of threads in opposite directions on the lead screw, the fixed ring is fixed at the top part of the vertical rod, the outer side of the rotating ring is connected with the inner side of the fixed ring through a bearing, the elastic piece is fixedly arranged at the inner side of the rotating ring, the rotating mechanism comprises a second motor and a circular plate, the fixed grafting of second motor output shaft in inside the plectane, the plectane with the rotating ring shape is the same just the plectane is kept away from the one side fixed mounting of second motor in the rotating ring, detection mechanism includes bottom plate, horizontal pole, distance sensor and PIC controller, the bottom plate is located the fixing base bottom, bottom plate top both sides all are equipped with branch, the horizontal pole is fixed in between two branches, the electromagnetism slide rail has been seted up to the horizontal pole bottom, the distance sensor top is equipped with the slider, slider slidable mounting in the electromagnetism slide rail, the PIC controller is located branch one side and with distance sensor electric connection.

In the implementation process, the first motor rotates to drive the two vertical rods to approach or separate from each other, so that the distance between the two vertical rods is equal to the length of the rotating shaft, the end part of the rotating shaft is placed in the rotating ring, the elastic part compresses and supports against the rotating shaft under the action of the reaction force, so that the rotating shaft is fixed in the rotating ring, the second motor rotates to drive the circular plate to rotate, so as to drive the rotating ring to rotate, the outer side of the rotating ring is connected with the inner side of the fixed ring through the bearing, so that the rotating ring cannot drive the fixed ring to rotate when rotating, at the moment, the rotating shaft rotates between the two rotating rings, the sliding block slides on the electromagnetic slide rail to enable the distance sensor to transversely move, the output end of the distance sensor downwards detects whether the angle is inclined or not when the rotating shaft rotates, the PIC controller can display the detection result and adjust the detection precision of the distance sensor, and the PIC controller can adjust the detection precision through the electromagnetic setting in the electromagnetic slide rail, the distance sensor is driven to move back and forth, so that the detection result is comprehensive, the part of the rotating shaft, which is positioned in the rotating ring, is not detected, the elastic piece is manually compressed, the rotating shaft is taken down, the rotating shaft is fixed on the rotating ring again, the part which is not detected is exposed outside, and the distance sensor is used again to detect the rotating shaft, so that the rotating shaft can be detected comprehensively.

In a specific embodiment, a limiting rod is transversely and fixedly mounted on the inner wall of the fixing seat, and one end of the vertical rod below the screw rod is slidably connected to the limiting rod.

In the implementation process, the design of sliding connection is convenient for keeping the stability of the transverse movement of the vertical rod, and the vertical rod is prevented from inclining when moving.

In a specific embodiment, the bottom plate is provided with four universal wheels, and the four universal wheels are respectively positioned at the bottom surface of the bottom plate close to four corners.

In the implementation process, the universal wheels are convenient for freely moving the bottom plate.

In a specific embodiment, the elastic member is provided with a plurality of elastic members which are distributed on the rotating ring in an annular array manner, the elastic member comprises a sleeve, an inner rod and a spring, the sleeve is sleeved on the inner rod in a sliding manner, one end of the spring is fixedly connected with the inner wall of the sleeve, and the other end of the spring is fixedly connected with the inner rod

In the implementation process, the clamping effect of the elastic pieces on the rotating shaft is enhanced by the elastic pieces, and the springs are not prone to tilting when being compressed or elongated due to the design of the elastic piece structure.

In a specific implementation scheme, a fixed block is arranged at one end, away from the inner rod, of the sleeve, a through groove is formed in one side, away from the sleeve, of the fixed block, a reset rotating shaft is arranged on one side of the through groove, and a clamping plate is movably mounted on the reset rotating shaft.

In the implementation process, the reset rotating shaft realizes the rotation process of the clamping plate, so that the clamping plate can be better attached to the rotating shaft to be detected.

In a specific implementation scheme, the clamping plates are arranged in an inward concave mode, the rubber pads are arranged at the concave positions of the clamping plates, the clamping plates can rotate in the through grooves, elastic pull ropes are arranged at the ends, away from the rubber pads, of the clamping plates, one ends of the elastic pull ropes are bonded to the walls of the through grooves, and the two elastic pull ropes are symmetrically arranged.

In the above-mentioned realization process, because the pivot is the cylinder, the rubber pad has antiskid nature, frictional force when having increased splint contact pivot, and when splint rotated, the elasticity stay cord of one side lengthened, and the elasticity stay cord shrink of opposite side for can the answer the normal position when splint do not use, and splint are difficult for the fixed block that drops.

In a specific embodiment, the length of the electromagnetic sliding rail is greater than the length of the opening at the top of the fixed seat.

In the implementation process, the distance sensor can detect the rotating shaft between the two fixing rings and can also detect partial length of the rotating shaft outside the two fixing rings.

In a specific embodiment, one side of the distance sensor is provided with an illuminating lamp, the illuminating end of the illuminating lamp is vertically arranged downwards,

in the implementation process, the illumination lamp can improve the brightness of the distance sensor during detection, and the distance sensor can also be used at night.

In a specific embodiment, the bottoms of the two sides of the fixed seat are connected with the bottom plate through bolts.

In the implementation process, the bolt connection can be used for disassembling the fixed seat, so that the accessories on the fixed seat can be maintained and replaced conveniently.

In a specific embodiment, a mounting frame is welded on one side of the fixing ring, and the mounting frame is fixedly sleeved on the outer side of the second motor.

In the implementation process, the second motor is connected to the fixing ring through the mounting frame, the mounting frame can bear the weight of the second motor, the circular plate is prevented from bearing the weight of the second motor, and the second motor can drive the circular plate to rotate better.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a rotating shaft angle measuring tool provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a clamping mechanism and a rotating mechanism provided in an embodiment of the present application;

FIG. 3 is a left side view of a retaining ring provided in accordance with an embodiment of the present application;

FIG. 4 is an enlarged view of a spring provided in an embodiment of the present application;

FIG. 5 is a cross-sectional view of a retaining ring provided in accordance with an embodiment of the present application;

fig. 6 is a schematic structural diagram of a detection mechanism according to an embodiment of the present application.

In the figure: 100-a clamping mechanism; 110-a fixed seat; 111-a stop lever; 120-a first motor; 130-vertical rod; 140-a fixed ring; 141-a mounting frame; 150-a rotating ring; 160-an elastic member; 161-a cannula; 162-an inner rod; 163-a spring; 164-a fixed block; 165-a through slot; 166-a splint; 167-an elastic pull cord; 200-a rotation mechanism; 210-a second motor; 220-circular plate; 300-a detection mechanism; 310-a backplane; 311-universal wheels; 320-a cross bar; 321-an electromagnetic slide rail; 330-a distance sensor; 331-a slide block; 332-lighting lamps; 340-PIC controller.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a tool for measuring an angle of a rotating shaft, which includes a clamping mechanism 100, a rotating mechanism 200, and a detecting mechanism 300.

Referring to fig. 2-5, the clamping mechanism 100 includes a fixing base 110, a first motor 120, and a vertical rod 130, the fixing ring 140, the rotating ring 150 and the elastic member 160, the top of the fixing seat 110 is open, the first motor 120 is disposed at the side of the fixing seat 110, an output shaft of the first motor 120 penetrates through the fixing seat 110 and is connected with a lead screw, one end of the lead screw is rotatably mounted on the inner wall of the fixing seat 110, two opposite threads are disposed on the lead screw, two vertical rods 130 are symmetrically disposed, the two vertical rods 130 are respectively connected with the lead screw through two opposite threads on the lead screw, the fixing ring 140 is fixed at the top of the vertical rods 130, the outer side of the rotating ring 150 is connected with the inner side of the fixing ring 140 through a bearing, the elastic member 160 is fixedly mounted at the inner side of the rotating ring 150, the rotating mechanism 200 comprises a second motor 210 and a circular plate 220, the output shaft of the second motor 210 is fixedly inserted inside the circular plate 220, the circular plate 220 has the same shape as the rotating ring 150, and one surface of the circular plate 220, which is far away from the second motor 210, is fixedly mounted on the rotating ring 150.

In some specific embodiments, the inner wall of the fixing base 110 is transversely and fixedly provided with a limiting rod 111, one end of the upright 130 below the screw rod is slidably connected to the limiting rod 111, and the sliding connection is designed to facilitate maintaining the stability of the transverse movement of the upright 130 and prevent the upright 130 from tilting when moving.

In some specific embodiments, the plurality of elastic members 160 are provided, the plurality of elastic members 160 are distributed in the rotating ring 150 in an annular array, the elastic member 160 includes a sleeve 161, an inner rod 162 and a spring 163, the sleeve 161 is slidably sleeved on the inner rod 162, one end of the spring 163 is fixedly connected to the inner wall of the sleeve 161, the other end of the spring 163 is fixedly connected to the inner rod 162, the plurality of elastic members 160 enhance the clamping effect of the elastic members 160 on the rotating shaft, and the elastic members 160 are designed so that the spring 163 is not prone to tilt when being compressed or elongated.

In some specific embodiments, a fixing block 164 is disposed at one end of the sleeve 161 far away from the inner rod 162, a through groove 165 is disposed at one side of the fixing block 164 far away from the sleeve 161, a reset rotating shaft is disposed at one side of the through groove 165, a clamping plate 166 is movably mounted on the reset rotating shaft, and the rotating process of the clamping plate 166 is realized through the reset rotating shaft, so that the clamping plate 166 can be better attached to a rotating shaft to be detected.

In some specific embodiments, the clamping plate 166 is inwardly recessed, a rubber pad is disposed in the recessed portion of the clamping plate 166, the clamping plate 166 can rotate in the through groove 165, one end of the clamping plate 166, which is far away from the rubber pad, is provided with an elastic pull rope 167, one end of the elastic pull rope 167 is bonded to the groove wall of the through groove 165, the two elastic pull ropes 167 are symmetrically disposed, because the rotating shaft is a cylinder, the rubber pad has anti-slip property, the friction force when the clamping plate 166 contacts the rotating shaft is increased, when the clamping plate 166 rotates, the elastic pull rope 167 on one side is elongated, the elastic pull rope 167 on the other side is contracted, so that the clamping plate 166 can return to the original position when not used, and the clamping plate 166 is not prone to drop the fixing block 164.

In some embodiments, the bottom portions of the two sides of the fixing base 110 are connected to the bottom plate 310 by bolts, and the bolts can detach the fixing base 110, thereby facilitating the repair and replacement of the accessories on the fixing base 110.

In some embodiments, the mounting frame 141 is welded to one side of the fixing ring 140, the mounting frame 141 is fixedly sleeved outside the second motor 210, and the mounting frame 141 can bear the weight of the second motor 210, so as to prevent the circular plate 220 from bearing the weight of the second motor 210, and further enable the circular plate 220 to be better driven by the second motor 210 to rotate.

Referring to fig. 6, the detecting mechanism 300 includes a bottom plate 310, a cross bar 320, a distance sensor 330 and a PIC controller 340, the bottom plate 310 is disposed at the bottom of the fixing base 110, two sides of the top of the bottom plate 310 are both provided with a support bar, the cross bar 320 is fixed between the two support bars, an electromagnetic sliding rail 321 is disposed at the bottom of the cross bar 320, a sliding block 331 is disposed at the top of the distance sensor 330, the sliding block 331 is slidably mounted on the electromagnetic sliding rail 321, and the PIC controller 340 is disposed at one side of the support bar and electrically connected to the distance sensor 330.

In some specific embodiments, the bottom of the bottom plate 310 is provided with four universal wheels 311, the four universal wheels 311 are respectively located at the bottom surface of the bottom plate 310 near the four corners, and the universal wheels 311 facilitate the free movement of the bottom plate 310.

In some embodiments, the length of the electromagnetic sliding rail 321 is greater than the length of the opening at the top of the fixing base 110, and the distance sensor 330 can detect not only the rotating shaft between the two fixing rings 140, but also a part of the length of the rotating shaft outside the two fixing rings 140.

In some specific embodiments, an illumination lamp 332 is disposed on one side of the distance sensor 330, an illumination end of the illumination lamp 332 is disposed vertically downward, the illumination lamp 332 can improve the brightness of the distance sensor 330 during detection, and the distance sensor 330 can also be used during night.

The working principle of the rotating shaft angle measuring tool is as follows: the first motor 120 rotates to drive the two vertical rods 130 to approach each other or to be away from each other, so that the distance between the two vertical rods 130 is equal to the length of the rotating shaft, the end of the rotating shaft is placed into the rotating ring 150, the elastic member 160 compresses and supports against the rotating shaft under the reaction force thereof, so that the rotating shaft is fixed in the rotating ring 150, the second motor 210 rotates to drive the circular plate 220 to rotate, so as to drive the rotating ring 150 to rotate, because the outer side of the rotating ring 150 is connected with the inner side of the fixed ring 140 through a bearing, the rotating ring 150 cannot drive the fixed ring 140 to rotate when rotating, at the moment, the rotating shaft rotates between the two rotating rings 150, the sliding block 331 slides on the electromagnetic sliding rail 321, so that the distance sensor 330 moves transversely, the output end of the distance sensor 330 detects downwards, whether the angle is inclined when the rotating shaft rotates, and the PIC controller 340 can display the detection result and adjust the detection precision of the distance sensor 330, through the inside electromagnetism setting of electromagnetism slide rail 321, drive distance sensor 330 round trip movement for the testing result is comparatively comprehensive, and the part that the pivot was in rotating ring 150 at this moment is not detected, and manual compression elastic component 160 takes off the pivot, fixes the pivot in rotating ring 150 again and makes the position that does not detect expose in the outside, uses distance sensor 330 to detect it once more, makes the pivot receive the detection comprehensively.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A rotating shaft angle measuring tool is characterized by comprising

Fixture (100), fixture (100) includes fixing base (110), first motor (120), pole setting (130), solid fixed ring (140), rotating ring (150) and elastic component (160), fixing base (110) open-top sets up, first motor (120) are located fixing base (110) lateral part, first motor (120) output shaft runs through fixing base (110) is connected with the lead screw, lead screw one end is rotated and is installed in fixing base (110) inner wall, be provided with the screw thread of two sections opposite directions on the lead screw, pole setting (130) symmetry is equipped with two, two pole setting (130) are connected with the lead screw through the screw thread of two sections opposite directions on the lead screw respectively, gu fixed ring (140) are fixed in pole setting (130) top, the rotating ring (150) outside through the bearing with gu fixed ring (140) inboard is connected, the elastic piece (160) is fixedly arranged on the inner side of the rotating ring (150);

the rotating mechanism (200) comprises a second motor (210) and a circular plate (220), an output shaft of the second motor (210) is fixedly inserted into the circular plate (220), the circular plate (220) and the rotating ring (150) are identical in shape, and one surface, far away from the second motor (210), of the circular plate (220) is fixedly installed on the rotating ring (150);

detection mechanism (300), detection mechanism (300) includes bottom plate (310), horizontal pole (320), distance sensor (330) and PIC controller (340), bottom plate (310) are located fixing base (110) bottom, bottom plate (310) top both sides all are equipped with branch, horizontal pole (320) are fixed in between two branches, electromagnetism slide rail (321) have been seted up to horizontal pole (320) bottom, distance sensor (330) top is equipped with slider (331), slider (331) slidable mounting in electromagnetism slide rail (321), PIC controller (340) are located branch one side and with distance sensor (330) electric connection.

2. The rotating shaft angle measuring tool according to claim 1, wherein a limiting rod (111) is transversely and fixedly mounted on an inner wall of the fixing seat (110), and one end of the vertical rod (130) below the screw rod is slidably connected to the limiting rod (111).

3. The rotating shaft angle measuring tool according to claim 1, wherein four universal wheels (311) are mounted at the bottom of the bottom plate (310), and the four universal wheels (311) are respectively located at four corners of the bottom surface of the bottom plate (310).

4. The rotating shaft angle measuring tool according to claim 1, wherein a plurality of elastic members (160) are arranged, the elastic members (160) are distributed on the rotating ring (150) in an annular array manner, each elastic member (160) comprises a sleeve (161), an inner rod (162) and a spring (163), the sleeve (161) is sleeved on the inner rod (162) in a sliding manner, one end of the spring (163) is fixedly connected with the inner wall of the sleeve (161), and the other end of the spring (163) is fixedly connected with the inner rod (162).

5. The tool according to claim 4, wherein a fixing block (164) is arranged at one end, away from the inner rod (162), of the sleeve (161), a through groove (165) is formed in one side, away from the sleeve (161), of the fixing block (164), a reset rotating shaft is arranged on one side of the through groove (165), and a clamping plate (166) is movably mounted on the reset rotating shaft.

6. The rotating shaft angle measuring tool according to claim 5, wherein the clamping plate (166) is recessed inwards, a rubber pad is arranged at the recessed position of the clamping plate (166), the clamping plate (166) can rotate in the through groove (165), an elastic pull rope (167) is arranged at one end of the clamping plate (166) far away from the rubber pad, one end of the elastic pull rope (167) is bonded to the groove wall of the through groove (165), and two elastic pull ropes (167) are symmetrically arranged.

7. The rotating shaft angle measuring tool according to claim 1, wherein the length of the electromagnetic sliding rail (321) is greater than that of the opening at the top of the fixed seat (110).

8. The rotating shaft angle measuring tool according to claim 1, wherein an illuminating lamp (332) is arranged on one side of the distance sensor (330), and an illuminating end of the illuminating lamp (332) is vertically arranged downwards.

9. The rotating shaft angle measuring tool according to claim 1, wherein the bottoms of the two sides of the fixing seat (110) are connected with the bottom plate (310) through bolts.

10. The rotating shaft angle measuring tool according to claim 1, wherein a mounting frame (141) is welded to one side of the fixing ring (140), and the mounting frame (141) is fixedly sleeved on the outer side of the second motor (210).