CN212567321U - Shaft misalignment detection device - Google Patents

Abstract

The utility model discloses an axle misalignment detection device, axle misalignment detection device is including detecting axle and carousel, the fixed surface of detecting axle has the axle key along its length direction, the middle part of carousel is provided with the through hole, the edge of through hole is formed with the keyway along its radial direction outside extension, it runs through to detect the axle at least part the through hole for the axle key block is in the keyway, the circumference side detachably of carousel is provided with a plurality of heavy parts that add. The problem of traditional axle not obvious to the vibration signal that detection equipment detected, data reference meaning is little in judging whether the axle is not centering is solved.

Description

Shaft misalignment detection device

Technical Field

The utility model relates to an axle detection area specifically relates to an axle misalignment detection device.

Background

A shaft is widely used in various large mechanical devices as one of the supporting and rotating parts. In the use process of the shaft, the shaft is not centered due to the fact that the shaft is not installed in place, and therefore mechanical equipment faults occur in the working process. In actual operation, the misalignment of the shaft may be extremely small and cannot be adjusted, so that the vibration signal detected by the detection device is not obvious, and the reference significance of data in judging whether the misalignment of the shaft occurs is not great.

Therefore, provide one kind and be applied to the axle and not to check in the check out test set, it is to effectively increase the axle centering detection device of vibration signal the utility model discloses the problem that needs solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axle centering detection device has solved traditional axle and has not obvious to the vibration signal that check out test set detected, is judging whether the little problem of data reference meaning of axle centering appears.

In order to realize the above-mentioned purpose, the utility model provides an axle misalignment detection device, axle misalignment detection device is including detecting axle and carousel, the fixed surface that detects the axle has the axle key along its length direction, the middle part of carousel is provided with the through hole, the edge of through hole is formed with the keyway along its radial direction outside extension, it runs through to detect the axle at least part the through hole for the axle key block is in the keyway, the circumference side detachably of carousel is provided with a plurality of heavy parts that add.

Preferably, two sides of the through hole extend outwards along the axial direction of the turntable to form first extending parts, and the edge of the key groove extends outwards along the axial direction of the turntable to form second extending parts.

Preferably, the second extending portion is provided with a first screw hole, the shaft key is provided with a second screw hole, and the first locking screw penetrates through the first screw hole and is at least partially screwed in the second screw hole.

Preferably, the weighting piece is of an arc-shaped structure, and the inner arc surface of the weighting piece is attached to the circumferential side surface of the rotating disc.

Preferably, the circumferential side surface of the rotating disc is provided with a third screw hole, the weighting piece is provided with a fourth screw hole, and a second locking screw penetrates through the fourth screw hole and is at least partially twisted in the third screw hole.

Preferably, the number of the weighting pieces is not less than 3 groups, and a plurality of groups of the weighting pieces are arranged at equal intervals along the circumferential direction of the turntable.

Preferably, the inner arc surface of the weighting piece is attached with a rubber pad.

The utility model provides an axle misalignment detection device, the axle misalignment detection device includes detection axle and carousel, the fixed surface of detection axle has the axle key along its length direction, the middle part of carousel is provided with the through hole, the edge of through hole outwards extends along its radial direction and is formed with the keyway, detection axle at least part run through the through hole for the axle key block is in the keyway, the circumference side detachably of carousel is provided with a plurality of with heavy parts; the utility model provides an axle is centering detection device not is applied to the axle and is not to waiting of check out test set and detect epaxially, through installing the carousel on detecting the epaxial, make the vibration of detecting the axle more obvious, thereby obtain more obvious vibration signal, simultaneously the setting of carousel can be more real simulation detect epaxial increase after the fitting piece, the influence that the axle is centering and producing, weight and position through setting up the piece that adds the heavy part, change the focus and the weight of carousel, can simulate the vibration signal of detecting the axle under the multiple condition, give technical personnel more technical parameter, provide data reference for the axle installation in the actual work.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a shaft misalignment detection device according to the present invention;

fig. 2 is a front view of the shaft misalignment detection apparatus provided by the present invention;

fig. 3 is a side view of the shaft misalignment detection apparatus provided by the present invention;

fig. 4 is a structural diagram of the shaft misalignment detection device in actual use according to the present invention.

Description of the reference numerals

1-detecting shaft 2-shaft key

3-turntable 4-first extension

5-second extension 6-first locking screw

7-weighting piece 8-second locking screw

9-base plate 10-motor

11-moving frame 12-bearing seat

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As shown in fig. 1-3, the utility model provides an axle misalignment detection device, axle misalignment detection device is including detecting axle 1 and carousel 3, the fixed surface that detects axle 1 has along its length direction's axle key 2, the middle part of carousel 3 is provided with the through hole, the edge of through hole is formed with the keyway along its radial direction outside extension, it runs through to detect axle 1 part at least the through hole for axle key 2 block is in the keyway, the circumference side detachably of carousel 3 is provided with a plurality of heavy parts 7 that add. The utility model provides an axle is centering detection device not is applied to the axle and is not to waiting of check out test set and detect epaxially, through installing the carousel on detecting the epaxial, make the vibration of detecting the axle more obvious, thereby obtain more obvious vibration signal, simultaneously the setting of carousel can be more real simulation detect epaxial increase after the fitting piece, the influence that the axle is centering and producing, weight and position through setting up the piece that adds the heavy part, change the focus and the weight of carousel, can simulate the vibration signal of detecting the axle under the multiple condition, give technical personnel more technical parameter, provide data reference for the axle installation in the actual work.

In a preferred embodiment of the present invention, the detection shaft 1 and the rotary plate 3 can be fastened by the shaft key 2 and the key groove, the two sides of the through hole are along the axis direction of the rotary plate 3 extends outwards to form the first extension portion 4, and the edge of the key groove is along the axis direction of the rotary plate 3 extends outwards to form the second extension portion 5.

The utility model discloses an in a preferred embodiment, in order to make to detect and to be able to more inseparable connection between axle 1 and the carousel 3 for carousel 3 can not become flexible when rotating and detect in order to influence, be provided with first screw on the second extension 5, be provided with the second screw on the shaft key 2, first locking screw 6 runs through first screw and at least part twist is in the second screw.

In a preferred embodiment of the present invention, in order to make the weight member 7 more fit to the circumferential side of the turntable 3, as shown in fig. 1, the weight member 7 has an arc-shaped structure, and its inner arc surface fits to the circumferential side of the turntable 3.

The utility model discloses an in the preferred embodiment, in order to make the circumferential surface of the piece 7 that adds that can be more inseparable laminating at carousel 3, avoid adding that piece 7 is not hard up and rock rotating the in-process, the circumference side of carousel 3 is provided with the third screw, add and be provided with the fourth screw on the piece 7, second locking screw 8 runs through fourth screw and at least part wrench joint are in the third screw. The weighting pieces 7 are arc-shaped, and as shown in fig. 1, a plurality of weighting pieces 7 are overlapped and locked by a second locking screw 8.

The utility model discloses an in a preferred embodiment, for convenient installation add heavy piece 7, 3 groups, multiunit are no less than to the quantity that adds heavy piece 7 follow the circumferencial direction equidistance interval of carousel 3 sets up.

In a preferred embodiment of the present invention, in order to make the weighting member 7 fit with the surface of the turntable 3, the inner arc surface of the weighting member 7 fits with a rubber pad.

In a specific embodiment of the present invention, as shown in fig. 4, a shaft misalignment detecting device is provided, which comprises a bottom plate 9, a motor 10 and a moving frame 11 are respectively fixed on the bottom plate 9, two bearing seats are fixed on the moving frame 11, bearings are fixed on the bearing seats, two ends of a detecting shaft 1 are respectively rotatably disposed in the bearings, one end of the detecting shaft 1 is coaxially connected with a rotating head of the motor through an elastic coupling, a shaft vibration sensor (the shaft vibration sensor can be a type commonly used in the field, and the installation position can be adjusted according to actual requirements as long as it can detect the vibration signal of the detecting shaft 1) can be disposed on the bottom plate 9, the distance between the shaft lever and the probe is detected by the probe of the shaft vibration sensor, so as to measure the vibration displacement or amplitude, the shaft misalignment detecting device provided by the present invention can be installed on the detecting shaft 1, the specific installation mode is as above, the movable frame 11 can drive the detection shaft 1 to horizontally displace along the radial direction thereof, so that the detection shaft 1 and the rotating head of the motor 10 are not centered, the vibration displacement or amplitude of the detection shaft 1 is measured by matching with a shaft vibration sensor, the setting of the rotary disc 3 can simulate the vibration data of the detection shaft 1 under the condition of installing accessories, the vibration data under different conditions can be simulated by changing the gravity center (different numbers of the weighting pieces 7 are arranged at different positions) or the weight of the rotary disc 3, not only can the detection signal be enhanced, but also the data signals under different conditions can be obtained, more abundant data are provided for technicians, and the shaft installation in the actual work provides data reference and support.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (7)

1. The utility model provides an axle is centering detection device, its characterized in that, axle is centering detection device is including detecting axle (1) and carousel (3), the fixed surface of detecting axle (1) has along its length direction's shaft key (2), the middle part of carousel (3) is provided with the through hole, the edge of through hole is formed with the keyway along its radial direction outside extension, detect axle (1) at least part and run through the through hole for shaft key (2) block is in the keyway, the circumference side detachably of carousel (3) is provided with a plurality of heavy parts (7).

2. The shaft misalignment detection device according to claim 1, wherein both sides of the through hole extend outward in the axial direction of the turntable (3) to form first extensions (4), and the edge of the key groove extends outward in the axial direction of the turntable (3) to form second extensions (5).

3. The shaft misalignment detection device of claim 2, wherein the second extension (5) is provided with a first threaded hole, the shaft key (2) is provided with a second threaded hole, and the first locking screw (6) extends through the first threaded hole and is at least partially twisted therein.

4. The shaft misalignment detection device of claim 1, wherein the weighting member (7) has an arc-shaped structure, and the inner arc surface of the weighting member is attached to the circumferential side surface of the turntable (3).

5. The shaft misalignment detection device of claim 4, wherein the circumferential side of the turntable (3) is provided with a third screw hole, the weighting member (7) is provided with a fourth screw hole, and the second locking screw (8) penetrates through the fourth screw hole and is at least partially twisted in the third screw hole.

6. The shaft misalignment detection device according to claim 5, wherein the number of the weighted members (7) is not less than 3, and a plurality of groups of the weighted members (7) are arranged at equal intervals in the circumferential direction of the turntable (3).

7. The shaft misalignment detection device of claim 4, wherein a rubber pad is attached to the intrados of the weighted member (7).

Images