Motor coupling centering tool

Abstract

The utility model relates to the technical field of centering tools, and discloses a motor coupling centering tool which comprises an arc bottom magnetic attraction block, a centering detection mechanism is arranged on the top of the arc bottom magnetic attraction block, and an angular deviation detection mechanism is arranged on the front face of the arc bottom magnetic attraction block. According to the motor coupler centering tool, the graduated scale penetrating through the limiting frame and the interior of the connecting frame can be fixed through transmission of the threaded sleeve and the screwing screw, a marking pen can be fixed by sliding a butt joint threaded hole column in the graduated scale and screwing a fastening bolt, and through scales arranged on the surface of the graduated scale, the motor coupler can be centered conveniently. When the couplings are rotated during a centering test, whether angular deviation exists between the couplings can be judged by observing the numerical value change of the distance between the two sides or judging whether the line marks of the marking pen on the surfaces of the couplings are straight lines or not, so that the angular deviation can be adjusted in time under the condition that only a single meter is provided, and the accuracy of the detection result is improved. Vibration intensification during equipment operation is avoided, and bearing abrasion is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a centering tool technical field, concretely is a motor shaft coupling centering tool. BACKGROUND

[0002] The motor shaft coupling centering tool is a special tool for ensuring that the shaft coupling of a motor and a driven device (such as a pump, a fan, etc.) can be accurately aligned after installation or maintenance, by installing a dial gauge on a special bracket and fixing the bracket on the base of the motor or the driven device, the measuring head of the dial gauge is in contact with the circumferential surface or end face of the shaft coupling, when the motor and the device have axial or radial deviation, the pointer of the dial gauge will swing, and the size and direction of the deviation can be determined according to the reading change of the pointer.

[0003] In the prior art, when the centering measurement of the shaft coupling is performed by the single-gauge method, the dial gauge is fixed by a bracket, and the measuring head of the dial gauge is used to measure the radial deviation of the outer circle of the shaft coupling, but in actual use, the radial measurement deviation can only determine the centering condition, and cannot directly detect the angular deviation between the two shafts, if there is angular deviation and it is not adjusted, it will cause the vibration of the device to intensify during operation, and the bearing to wear, therefore, a motor shaft coupling centering tool needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a motor shaft coupling centering tool to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a motor shaft coupling centering tool, comprising an arc bottom magnetic suction block, the top of the arc bottom magnetic suction block is provided with a centering detection mechanism, and the front face of the arc bottom magnetic suction block is provided with an angular deviation detection mechanism.

[0006] Preferably, the angular deviation detection mechanism comprises a limiting frame, the limiting frame is fixedly installed on the front face of the arc bottom magnetic suction block, a connecting frame is fixedly installed on the front face of the arc bottom magnetic suction block, a threaded sleeve is fixedly installed on the front face of the connecting frame, a screw rod is screwedly installed in the threaded sleeve, a pressing plate is fixedly installed on the back of the screw rod, a scale is arranged in the limiting frame and the connecting frame, a butt joint threaded hole column is arranged in the scale, a connecting block is fixedly installed on the back of the butt joint threaded hole column, a fastening bolt is screwedly installed in the butt joint threaded hole column, and a marker pen is fixedly installed in the connecting block, so that the angular deviation detection mechanism can be used to detect the angular deviation when the shaft coupling is centered.

[0007] Preferably, a threaded groove is formed in the threaded sleeve, and the screw rod is screwedly installed with the threaded groove formed in the threaded sleeve, so that the position of the pressing plate can be adjusted by normally screwing the screw rod.

[0008] Preferably, the inside of the scale is provided with a sliding groove, and the butt joint threaded hole column is slidingly installed in the sliding groove in the inside of the scale, so as to facilitate the sliding butt joint threaded hole column to adjust the position of the marker pen.

[0009] Preferably, the pressing plate is arranged on the inner side of the connecting frame, and the scale is arranged on the inner side of the limiting frame and the connecting frame, so as to facilitate the limiting of the diagonal deviation detection mechanism.

[0010] Preferably, the scale corresponds to the width of the limiting frame and the connecting frame, and the scale is slidingly installed on the inner side of the limiting frame and the connecting frame, so as to facilitate the normal adjustment of the position of the scale.

[0011] Preferably, the centering detection mechanism comprises an adjusting support body, the adjusting support body is arranged on the top of the arc bottom magnetic block, and a measuring dial body is arranged on the end of the adjusting support body away from the arc bottom magnetic block, so as to facilitate the detection of the coupling centering adjustment through the centering detection mechanism.

[0012] Compared with the prior art, the motor coupling centering tool has the following beneficial effects:

[0013] 1. The motor coupling centering tool, by setting the angular deviation detection mechanism, in the use process, the transmission of the threaded sleeve and the screwing screw can make the pressing plate move, and then the scale passing through the inside of the limiting frame and the connecting frame can be fixed, by making the butt joint threaded hole column slide in the inside of the scale, and by tightening the fastening bolt, the marker pen can be fixed, by the scale arranged on the surface of the scale, in the coupling centering test, the numerical value change of the interval between the two sides can be observed, or whether the line mark of the marker pen on the surface of the coupling is a straight line can be judged, whether there is angular deviation between the couplings can be judged, and then the angular direction can be adjusted in time under the condition of only having a single table, so as to avoid the vibration of the equipment and prevent the bearing from being worn.

[0014] 2. The motor coupling centering tool, by setting the centering detection mechanism, in the use process, the position of the measuring dial body can be adjusted through the adjusting support body, the adjusting support body can be fixed through the magnetic force of the arc bottom magnetic block, and then the measuring head of the measuring dial body can be attached to the coupling outer circle, and then the radial deviation can be measured, so that the couplings on both sides can be kept at the same center, and the function of centering measurement of the coupling is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is an appearance structure schematic diagram of the present application;

[0017] Figure 2 It is an appearance structure schematic diagram of the present application;

[0018] Figure 3 It is an appearance structure schematic diagram of the present application;

[0019] Figure 4 It is an appearance structure schematic diagram of the present application;

[0020] Figure 5 It is an appearance structure schematic diagram of the present application.

[0021] In the drawings: 1, arc bottom magnetic attraction block; 2, angular deviation detection mechanism; 21, limiting frame; 22, connecting frame; 23, threaded sleeve; 24, screw rod; 25, pressing plate; 26, scale; 27, butt joint threaded hole column; 28, connecting block; 29, fastening bolt; 210, marker pen; 3, centering detection mechanism; 31, adjusting support body; 32, measuring dial gauge body. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment one:

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme: a motor shaft coupling centering tool, including arc bottom magnetic attraction piece 1, the top of arc bottom magnetic attraction piece 1 is provided with centering detection mechanism 3, the front of arc bottom magnetic attraction piece 1 is provided with angular deviation detection mechanism 2.

[0026] Further, angular deviation detection mechanism 2 includes limiting frame 21, limiting frame 21 is fixedly installed on the front of arc bottom magnetic attraction piece 1, arc bottom magnetic attraction piece 1 is fixedly installed with connecting frame 22 on the front, the front of connecting frame 22 is fixedly installed with threaded sleeve 23, the inside screw thread of threaded sleeve 23 is installed with screw rod 24, the back of screw rod 24 is fixedly installed with pressing plate 25, the inside of limiting frame 21 and connecting frame 22 is provided with scale 26, the inside of scale 26 is provided with butt joint threaded hole column 27, the back of butt joint threaded hole column 27 is fixedly installed with connecting block 28, the inside screw thread of butt joint threaded hole column 27 is installed with fastening bolt 29, the inside of connecting block 28 is fixedly installed with marker pen 210, and angular deviation detection mechanism 2 is convenient for detecting angular deviation when coupling is centered.

[0027] Further, the inside of threaded sleeve 23 is provided with screw groove, and the outside of screw rod 24 is screw mounted with the screw groove provided in the inside of threaded sleeve 23, so that the position of pressing plate 25 can be adjusted by normally screwing screw rod 24.

[0028] Further, the inside of scale 26 is provided with sliding slot, and butt joint threaded hole column 27 is slidingly installed in the sliding slot provided in the inside of scale 26, so that the position of marker pen 210 can be adjusted by sliding butt joint threaded hole column 27.

[0029] Further, pressing plate 25 is arranged on the inside of connecting frame 22, and scale 26 is arranged on the inside of limiting frame 21 and connecting frame 22, so that angular deviation detection mechanism 2 can be limited.

[0030] Further, the width of scale 26 corresponds to limiting frame 21 and connecting frame 22, and scale 26 is slidingly installed on the inside of limiting frame 21 and connecting frame 22, so that the position of scale 26 can be normally adjusted.

[0031] Embodiment two:

[0032] Please refer to Figure 5 And in combination with embodiment one, further obtained, centering detection mechanism 3 includes adjusting support body 31, adjusting support body 31 is arranged on the top of arc bottom magnetic attraction piece 1, and measuring dial gauge body 32 is arranged on the end of adjusting support body 31 away from arc bottom magnetic attraction piece 1, so that the detection of coupling centering adjustment can be carried out by centering detection mechanism 3.

[0033] In actual operation process, when the device is used, first of all, through the magnetic force of the arc bottom magnetic attraction block 1, the arc bottom magnetic attraction block 1 is placed on the outer circular surface of the coupling, after being fixed by the magnetic force, the support body 31 is adjusted, the measuring head at the bottom of the measuring dial body 32 is attached to the outer circular surface of the other coupling by adjusting the support body 31, after the attachment is completed, the scale 26 is inserted into the inside of the limiting frame 21 and the connecting frame 22, then the screw rod 24 is rotated, the scale 26 is pressed tightly by the pressing plate 25, so that it will not be fixed, then the butt joint threaded hole column 27 is inserted into the inside of the scale 26, after adjusting the position of the connecting block 28, the marker pen 210 is tightly fixed on the back of the scale 26 by rotating the fastening bolt 29, at this time, the coupling can be rotated, the radial deviation of the coupling is measured by the measuring dial body 32, the change of the distance between the two couplings is observed by the scale 26, and whether the line drawn on the outer circular surface of the marker pen 210 changes direction, the angular deviation can be judged in time.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A motor coupling alignment tool, comprising an arc-bottomed magnetic block (1), characterized in that: The top of the arc-bottom magnetic block (1) is provided with a centering detection mechanism (3), and the front of the arc-bottom magnetic block (1) is provided with an angular deviation detection mechanism (2). The angular deviation detection mechanism (2) includes a limiting frame (21), which is fixedly installed on the front of the arc-bottom magnetic block (1). A connecting frame (22) is fixedly installed on the front of the arc-bottom magnetic block (1). A threaded sleeve (23) is fixedly installed on the front of the connecting frame (22). A screw (24) is installed in the internal thread of the threaded sleeve (23). A pressure plate (25) is fixedly installed on the back of the screw (24). A scale (26) is provided inside both the limiting frame (21) and the connecting frame (22). A threaded hole post (27) is provided inside the scale (26). A connecting block (28) is fixedly installed on the back of the threaded hole post (27). A fastening bolt (29) is installed in the internal thread of the threaded hole post (27). A marker pen (210) is fixedly installed inside the connecting block (28).

2. The motor coupling alignment tool according to claim 1, characterized in that: The threaded sleeve (23) has a threaded groove inside, and the outside of the screw (24) is threadedly installed with the threaded groove inside the threaded sleeve (23).

3. The motor coupling alignment tool according to claim 1, characterized in that: The scale (26) has a groove inside, and the threaded hole post (27) is slidably installed inside the groove inside the scale (26).

4. A motor coupling alignment tool according to claim 1, characterized in that: The pressure plate (25) is located inside the connecting frame (22), and the scale (26) is located inside the limiting frame (21) and the connecting frame (22).

5. A motor coupling alignment tool according to claim 1, characterized in that: The scale (26) corresponds to the width of the limiting frame (21) and the connecting frame (22), and the scale (26) is slidably installed on the inner side of the limiting frame (21) and the connecting frame (22).

6. A motor coupling alignment tool according to claim 1, characterized in that: The centering detection mechanism (3) includes an adjustment bracket body (31), which is located on the top of the arc-bottom magnetic block (1). A measuring dial gauge body (32) is located at the end of the adjustment bracket body (31) away from the arc-bottom magnetic block (1).

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