CN212240767U

CN212240767U - Wireless vibration sensor clamp

Info

Publication number: CN212240767U
Application number: CN202020998439.9U
Authority: CN
Inventors: 郭志
Original assignee: Tianjin Galileen Technology Co ltd
Current assignee: Tianjin Galileen Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-12-29
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a wireless vibration sensor clamp, which comprises two first baffles and two second baffles, wherein the first baffles and the second baffles are both arc-shaped plates, the first baffles and the second baffles are separated, the concave surfaces are inwards enclosed into a ring shape, the two ends of the first baffles are fixedly provided with first threaded rods, and the two ends of the second baffles are fixedly provided with second threaded rods; the middle part of first threaded rod is equipped with the slide opening along the axial, and the second threaded rod slides and pegs graft in the slide opening, and the periphery of first threaded rod and second threaded rod all overlaps and is equipped with the spring, and the both ends of first threaded rod and second threaded rod all revolve the nut. According to the wireless vibration sensor clamp, the rotating shaft of the motor to be measured is clamped through the four baffles, and a margin is reserved between the adjacent baffles, so that a larger confining force can be obtained, and the position of the clamp is kept stable; the self-tightening structure is formed between the screw threads with opposite directions at the two ends of the screw rod and the nut, so that the clamp can be prevented from loosening in the use process and affecting the measurement of vibration data.

Description

Wireless vibration sensor clamp

Technical Field

The utility model relates to a sensor anchor clamps especially relate to a wireless vibration sensor anchor clamps.

Background

Vibration measurement techniques were originally developed from the aerospace sector for response measurement, dynamic characteristic parameter determination, and load identification of real objects or models of vibration systems. With the continuous development of science and technology, the vibration measurement technology also plays an important role in the aspects of power machinery, transportation, environmental protection and the like. The vibration parameters most commonly used in the industry to reflect the operating conditions of equipment include: displacement, velocity, acceleration, etc. Therefore, the vibration sensor needs to be fixed on the surface of the vibration equipment and tightly attached to the equipment, so that accurate and reliable data can be measured. However, in the present situation, the vibration sensor is not installed on the surface of the large mechanical equipment conveniently and reliably, so that the measured data is not accurate and the running condition of the equipment cannot be reflected accurately. Therefore, the vibration sensor clamp with high fitting degree and high stability is very significant in a vibration measuring system.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defect that exists among the above-mentioned prior art, provide a wireless vibration sensor anchor clamps, this anchor clamps are used for motor output shaft vibration data measurement, and the laminating degree is high, and stability is strong, and stable in structure, is difficult for droing.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a wireless vibration sensor clamp comprises two first baffles and two second baffles, a vibration sensor is fixedly arranged on the convex surfaces of the first baffles or the two second baffles, the first baffles and the second baffles are both arc-shaped plates, the arc-shaped angles of the first baffles and the second baffles are smaller than 90 degrees, the first baffles and the second baffles are spaced, the concave surfaces of the first baffles and the second baffles enclose an annular shape inwards, first threaded rods are fixedly arranged at the two ends of each first baffle, the two first threaded rods are coaxial, second threaded rods are fixedly arranged at the two ends of each second baffle, and the two second threaded rods are coaxial;

the middle part of the first threaded rod is provided with a sliding hole along the axial direction, the second threaded rod is inserted in the sliding hole in a sliding mode, springs are sleeved on the peripheries of the first threaded rod and the second threaded rod, first nuts are screwed at two ends of the first threaded rod, and second nuts are screwed at two ends of the second threaded rod.

Furthermore, the edges of two sides of the sliding hole are provided with a jacking surface, and the jacking surface is a plane formed by cutting.

Further, the diameter of the second nut is smaller than the inner diameter of the first nut.

Further, the thread directions of the two ends of the first threaded rod and the second threaded rod are opposite.

Furthermore, all be equipped with a plurality of slots on the terminal surface of first nut and second nut, the both ends of spring all are equipped with the slot.

Furthermore, rubber mats are fixedly arranged on the inner concave surfaces of the first baffle and the second baffle.

Furthermore, the number of the first nuts and the second nuts screwed on the free end parts of the first threaded rod and the second threaded rod is greater than or equal to two.

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

(1) this wireless vibration sensor anchor clamps, treat the motor shaft that awaits measuring through four baffles and carry out the chucking, leave the surplus between the adjacent baffle, can obtain bigger confining force, make the position of anchor clamps keep stable.

(2) This wireless vibration sensor anchor clamps, screw rod both ends move towards opposite screw thread and nut and constitute from compact structure, can prevent that anchor clamps are not hard up in the use, influence vibration data's measurement.

Drawings

The accompanying drawings, which form a part hereof, 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 invention without undue limitation. In the drawings:

fig. 1 is a schematic view of the overall structure of a wireless vibration sensor clamp according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic diagram of a position structure of a second nut and a first nut of the wireless vibration sensor clamp according to the present invention;

fig. 4 is a schematic structural view of a first baffle and a first threaded rod of the wireless vibration sensor clamp according to the present invention;

fig. 5 is a schematic structural view of a second baffle and a second threaded rod of the wireless vibration sensor clamp according to the present invention;

fig. 6 is a schematic view of a slot structure on the first spring or the second spring of the wireless vibration sensor clamp according to the present invention;

fig. 7 is a schematic structural view of a spring turning force and a nut of the wireless vibration sensor clamp according to the present invention;

fig. 8 is an enlarged view of a portion a in fig. 7.

Description of reference numerals:

1-a first baffle; 2-a first threaded rod; 21-a slide hole; 22-a top tight face; 3-a spring; 4-a second baffle; 5-a second threaded rod; 71-a first nut; 72-a second nut; 9-a rubber mat; 10-slot; 101-short bar; n1-tightening force; n2-convolution force; n3-resilience.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:

as shown in fig. 1 to 8, a wireless vibration sensor fixture comprises two first baffles 1 and two second baffles 4, a vibration sensor 8 is fixedly arranged on a convex surface of the first baffle 1 or the two second baffles 4, the first baffle 1 and the second baffle 4 are both arc-shaped plates, when in use, the first baffle 1 and the second baffle 4 are spaced, concave surfaces of the first baffle 1 and the second baffle 4 are inwards enclosed to form a ring shape, and are connected with an outer wall of a rotating shaft of a motor to be measured, in order to prevent collision between the adjacent first baffle and the second baffle, the arc-shaped angles are both smaller than 90 degrees, so that a margin is left between the adjacent first baffle 1 and the adjacent second baffle 4, so as to restrain the rotating shaft, in order to increase the attaching degree and enhance the friction force and improve the fastening firmness, rubber pads 9 are fixedly arranged on inner concave surfaces of the first baffle 1 and the second baffle 4, the rubber pads 9 are soft and can be made of common rubber pads 9 and the like, fixing the position by bonding;

in order to fix the positions of the first baffle plate 1 and the second baffle plate 4, the two ends of the first baffle plate 1 are fixedly provided with first threaded rods 2, the two first threaded rods 2 are coaxial, the two ends of the second baffle plate 4 are fixedly provided with second threaded rods 5, the two second threaded rods 5 are coaxial, the middle part of each first threaded rod 2 is axially provided with a sliding hole 21, the second threaded rods 5 are slidably inserted into the sliding holes 21, the two ends of each first threaded rod 2 are screwed with first nuts 71, the two ends of each second threaded rod 5 are screwed with second nuts 72, and in order to improve the firmness, the number of the first nuts 71 and the second nuts 72 screwed on the free end parts of the first threaded rods 2 and the second threaded rods 5 is more than or equal to two;

in the using process, the first nut 71 and the second nut 72 are screwed on the first threaded rod 2 and the second threaded rod 5 respectively, the second nut 72 is tightly pressed against the first threaded rod 2 and the first nut 71 is tightly pressed against the second threaded rod 5 between the adjacent first threaded rod 2 and the adjacent second threaded rod 5, in order to enable the structure between the first threaded rod 2 and the second threaded rod 5 to be more stable, the pressing surfaces 22 are arranged at the edges of two sides of the sliding hole 21 of the first threaded rod 2, the pressing surfaces 22 are planes formed by cutting and are abutted against the end surface of the second nut 72, the contact area between the nut 7 and the first threaded rod 2 is increased, the friction force is improved, and the loosening risk of the second nut 72 is reduced;

in order to further improve the structural firmness, the outer diameter of the second nut 72 is smaller than the inner diameter of the thread of the first threaded rod 2, the thickness of the second nut 72 is smaller than the cutting thickness of the top tight surface 22 of the first threaded rod 2, the first nut 71 can be screwed continuously from the periphery of the first threaded rod 2 where the second nut 72 is screwed, and when the first nut 71 is screwed, the end part of the first nut is abutted to the second threaded rod 5;

in order to prevent the first nut 71 and the second nut 72 from loosening in the using process, the peripheries of the first threaded rod 2 and the second threaded rod 5 are respectively sleeved with a spring 3, the thread directions of two ends of the first threaded rod 2 and the second threaded rod 5 are opposite, a plurality of slots 10 are respectively arranged on the end faces of the first nut 71 and the second nut 72, the two ends of the spring 3 are respectively provided with a slot 10, and a short rod 101 for positioning is inserted between the spring 3 and the slots 10 of the first nut 71 and the second nut 72.

When the device is installed, firstly, a first nut 71 and a second nut 72 which are positioned on the inner side of a spring 3 are screwed to fix the positions of a first baffle plate 1 and a second baffle plate 4, then the spring 3 is sleeved on the peripheries of a first threaded rod 2 and a second threaded rod 5, and then the first nut 71 and the second nut 72 are screwed to extrude the spring 3 to a compression state;

then, the two ends of the spring 3 are screwed along the circumferential direction, the diameter of the spring 3 is changed to generate circumferential rotation force, the screwing direction is opposite to the screwing direction of the first nut 71 and the second nut 72, then the spring 3 is compressed to be separated from the first nut 71 and the second nut 72 at the outer ends respectively, the short rod 101 is inserted into the slot 10 at the two ends of the spring 3 adjacent to the first nut 71 and the second nut 72, because the thread directions of the two ends of the first threaded rod 2 and the second threaded rod 5 are opposite, the design can enable the rotation force N2 of the spring 3 to drive the first nut 71 or the second nut 72 at the two ends of the spring 3 to rotate towards the acting direction of the rotation force N1, and because the spring 3 is in a compressed state, the resilience force N3 of the spring pushes the first nut 71 or the second nut 72 at the two ends of the spring tightly, so that the short rod 101 cannot fall out of the slot 10.

Note: the fixing means not explicitly described herein may be a common fixing means such as a screw connection, an adhesive, or a welding, as required.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The wireless vibration sensor clamp is characterized by comprising two first baffles (1) and two second baffles (4), a vibration sensor (8) is fixedly arranged on a convex surface of each first baffle (1) or each second baffle (4), each first baffle (1) and each second baffle (4) are arc-shaped plates, arc-shaped angles are smaller than 90 degrees, the first baffles (1) and the second baffles (4) are spaced, concave surfaces of the first baffles (1) and the second baffles (4) are inwards encircled to form a ring, first threaded rods (2) are fixedly arranged at two ends of each first baffle (1), the two first threaded rods (2) are coaxial, second threaded rods (5) are fixedly arranged at two ends of each second baffle (4), and the two second threaded rods (5) are coaxial;

the middle part of first threaded rod (2) is equipped with slide opening (21) along the axial, second threaded rod (5) slide and peg graft in slide opening (21), the periphery of first threaded rod (2) and second threaded rod (5) all is equipped with spring (3), first nut (71) has been revolved at the both ends of first threaded rod (2), second nut (72) has been revolved at the both ends of second threaded rod (5).

2. The wireless vibration sensor holder of claim 1, wherein: and the edges of two sides of the sliding hole (21) are provided with a jacking surface (22), and the jacking surface (22) is a plane formed by cutting.

3. The wireless vibration sensor holder of claim 1, wherein: the diameter of the second nut (72) is smaller than the inner diameter of the first nut (71).

4. The wireless vibration sensor holder of claim 1, wherein: the thread directions of the two ends of the first threaded rod (2) and the second threaded rod (5) are opposite.

5. The wireless vibration sensor holder of claim 1, wherein: the end faces of the first nut (71) and the second nut (72) are provided with a plurality of slots (10), and the two ends of the spring (3) are provided with the slots (10).

6. The wireless vibration sensor holder of claim 1, wherein: and rubber pads (9) are fixedly arranged on the inner concave surfaces of the first baffle (1) and the second baffle (4).

7. The wireless vibration sensor holder of claim 1, wherein: the number of the first nuts (71) and the number of the second nuts (72) screwed on the free end parts of the first threaded rod (2) and the second threaded rod (5) are both more than or equal to two.