CN215810721U

CN215810721U - Pneumatic measuring instrument for inner hole diameter of motor rotor

Info

Publication number: CN215810721U
Application number: CN202121275769.6U
Authority: CN
Inventors: 刘在军; 孙亮
Original assignee: Qingdao Wanbao Haiyida Motor Co ltd
Current assignee: Qingdao Wanbao Haiyida Motor Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-02-11
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a pneumatic measuring instrument for the diameter of an inner hole of a motor rotor, which comprises a fixed cylinder, wherein a balance disc is fixedly connected to the middle upper part of the outer side of the fixed cylinder, the bottom of the balance disc is fixedly connected with a guide cone, a fixed bearing is fixedly connected to the upper part inside the fixed cylinder, a driving screw is fixedly connected to the inside of the fixed bearing, the driving screw is rotatably connected with the fixed cylinder through the driving screw, and the top end of the driving screw is fixedly connected with a rotating handle. According to the utility model, firstly, the additionally-installed rotating handle is manually rotated, the rotating handle drives the driving screw rod additionally installed at the bottom end to rotate, the driving screw rod is in threaded connection with the driving column additionally installed with the internal thread groove, the driving column only translates up and down but does not rotate under the action of the additionally-installed limiting groove and the limiting sliding block, so that the measuring end is driven to translate up and down, the inner diameters of holes with different depths are measured, the capacity of measuring holes with different depths and inner diameters with angles is increased, and the device is worthy of great popularization.

Description

Pneumatic measuring instrument for inner hole diameter of motor rotor

Technical Field

The utility model relates to the technical field of inner diameter measuring equipment, in particular to a pneumatic measuring instrument for the diameter of an inner hole of a motor rotor.

Background

A motor rotor: also a rotating part in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The motor rotor is divided into a motor rotor and a generator rotor, and the motor rotor is divided into an inner rotor rotation mode and an outer rotor rotation mode. The inner rotor rotates in such a way that a core body in the middle of the motor is a rotating body, and torque (referred to as a motor) is output or energy is input (referred to as a generator). The outer rotor rotation mode is that the motor outer body is used as a rotating body, and different modes are convenient for application in various occasions.

When the diameter of the inner hole of the rotor is measured, different depths exist, and the diameter of the inner hole has the die drawing processing of the film drawing processing, so that the measuring difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a pneumatic measuring instrument for the diameter of an inner hole of a motor rotor.

In order to achieve the purpose, the utility model adopts the following technical scheme: a pneumatic measuring instrument for the diameter of an inner hole of a motor rotor comprises a fixed cylinder, wherein a balance disc is fixedly connected to the middle upper part of the outer side of the fixed cylinder, the bottom of the balance disc is fixedly connected with a guide cone, a fixed bearing is fixedly connected to the upper part of the inner part of the fixed cylinder, a driving screw is fixedly connected to the inner part of the fixed bearing, the driving screw is rotatably connected to the fixed cylinder through the driving screw, a rotating handle is fixedly connected to the top end of the driving screw, the bottom wall of the rotating handle is rotatably connected to the fixed cylinder, a set of limiting slide blocks are fixedly connected to the middle parts of the left and right side walls of the inner part of the fixed cylinder, a driving column is longitudinally slidably connected to the inner part of the fixed cylinder, an inner thread groove is arranged above the inner part of the driving column, the driving column is in threaded connection with the driving screw through the inner thread groove, a set of longitudinal limiting grooves are arranged on the left and right side walls of the inner thread groove, and two sets of limiting slide blocks are respectively longitudinally slidably connected with the driving column through a set of limiting grooves, the utility model discloses a pneumatic sensor, including drive post, lower place fixed connection detector in the drive post, the inside below fixed connection pneumatic pump of drive post, the two-way pneumatic cylinder of drive post bottom fixed connection, the equal horizontal sliding connection of two-way pneumatic cylinder left and right sides wall center is a set of pneumatic rod, and is two sets of the equal a set of arc slurcam of fixed connection of pneumatic rod outside end, it is two sets of the equal a set of piston of fixed connection of pneumatic rod medial extremity, it is two sets of the equal a set of pressure sensor of fixed connection of arc slurcam outside end.

As a further description of the above technical solution:

the drive screw longitudinally penetrates through the fixed bearing.

As a further description of the above technical solution:

the fixed cylinder longitudinally penetrates through the guide cone.

As a further description of the above technical solution:

the internally threaded slot extends longitudinally through the drive column top wall.

As a further description of the above technical solution:

the detector is respectively connected with the two groups of pressure sensors through leads.

As a further description of the above technical solution:

and the two groups of pneumatic rods respectively transversely penetrate through the left side wall and the right side wall of the bidirectional pneumatic cylinder.

As a further description of the above technical solution:

and a vent hole for connection is arranged between the bidirectional pneumatic cylinder and the pneumatic pump.

The utility model has the following beneficial effects:

according to the utility model, firstly, the additionally-installed rotating handle is manually rotated, the rotating handle drives the driving screw rod additionally installed at the bottom end to rotate, the driving screw rod is in threaded connection with the driving column additionally installed with the internal thread groove, the driving column only translates up and down but does not rotate under the action of the additionally-installed limiting groove and the limiting sliding block, so that the measuring end is driven to translate up and down, the inner diameters of holes with different depths are measured, the capacity of measuring holes with different depths and inner diameters with angles is increased, and the device is worthy of great popularization.

Drawings

FIG. 1 is an isometric view of a pneumatic measuring instrument for the inner hole diameter of a motor rotor according to the present invention;

FIG. 2 is a front view of a pneumatic measuring instrument for the inner hole diameter of a motor rotor according to the present invention;

fig. 3 is a schematic front view of a pneumatic measuring instrument for the inner hole diameter of a motor rotor according to the present invention.

Illustration of the drawings:

1. a fixed cylinder; 2. a balance disc; 3. a guide cone; 4. rotating the handle; 5. a drive column; 6. a bidirectional pneumatic cylinder; 7. a pneumatic rod; 8. a limiting groove; 9. a pressure sensor; 10. a piston; 11. fixing the bearing; 12. A drive screw; 13. an internal thread groove; 14. a limiting slide block; 15. a detector; 16. a pneumatic pump; 17. An arc-shaped pushing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a pneumatic measuring instrument for the diameter of an inner hole of a motor rotor comprises a fixed cylinder 1, a balance disc 2 is fixedly connected to the middle upper part of the outer side of the fixed cylinder 1, a guide cone 3 is fixedly connected to the bottom of the balance disc 2, a fixed bearing 11 is fixedly connected to the upper part of the inner part of the fixed cylinder 1, a driving screw 12 is fixedly connected to the inner part of the fixed bearing 11, the driving screw 12 is rotatably connected to the fixed cylinder 1 through the driving screw 12, a rotating handle 4 is fixedly connected to the top end of the driving screw 12, the bottom wall of the rotating handle 4 is rotatably connected to the fixed cylinder 1, a set of limiting sliders 14 are fixedly connected to the middle parts of the left and right side walls of the inner part of the fixed cylinder 1, a driving column 5 is longitudinally slidably connected to the inner part of the fixed cylinder 1, an inner thread groove 13 is arranged on the upper part of the inner part of the driving column 5, the driving column 5 is threadedly connected to the driving screw 12 through the inner thread groove 13, a set of longitudinal limiting grooves 8 are arranged on the left and right side walls of the inner thread groove 13, the two sets of limiting sliders 14 are longitudinally slidably connected to the driving column 5 respectively through a set of limiting grooves 8, the middle lower part in the driving column 5 is fixedly connected with a detector 15, the lower part in the driving column 5 is fixedly connected with a pneumatic pump 16, the bottom end of the driving column 5 is fixedly connected with a bidirectional pneumatic cylinder 6, the centers of the left side wall and the right side wall of the bidirectional pneumatic cylinder 6 are respectively transversely connected with a group of pneumatic rods 7 in a sliding manner, the outer ends of two groups of pneumatic rods 7 are respectively fixedly connected with a group of arc-shaped push plates 17, the inner ends of two groups of pneumatic rods 7 are respectively fixedly connected with a group of pistons 10, the outer ends of two groups of arc-shaped push plates 17 are respectively fixedly connected with a group of pressure sensors 9, firstly, a fixed cylinder 1 is placed into an inner hole along an additionally arranged guide cone 3, the guide cone 3 can realize the alignment of the center of a circle, by starting the additionally arranged pneumatic pump 16, the pneumatic pump 16 additionally arranges high-pressure air into the bidirectional pneumatic cylinder 6, the high-pressure air pushes the two groups of pistons 10 to move outwards, and respectively pushes one group of arc-shaped push plates 17 and the pressure sensors 9 to move outwards by utilizing one group of pneumatic rods 7, but pressure sensor 9 contacts when the interior pore wall, the pressure signal that produces, detector 15 detects behind the signal, measure, rotation handle 4 through manual rotation installs additional, it rotates to rotate handle 4 drive and installs additional drive screw 12 in the bottom, drive screw 12 threaded connection has installed the drive post 5 of interior thread groove 13 additional, drive post 5 only realizes translation from top to bottom and does not rotate under the effect of the spacing groove 8 of installing additional and spacing slider 14 again, thereby drive the upper and lower translation of measuring end, thereby measure the pore diameter of the different degree of depth, the ability of measuring the different degree of depth and the pore of internal diameter band angle has been increased.

The driving screw 12 longitudinally penetrates through the fixed bearing 11, the fixed cylinder 1 longitudinally penetrates through the guide cone 3, the internal thread groove 13 longitudinally penetrates through the top wall of the driving column 5, the detector 15 is respectively connected with two sets of pressure sensors 9 through a lead, two sets of pneumatic rods 7 respectively transversely penetrate through the left side wall and the right side wall of the bidirectional pneumatic cylinder 6, and a connecting air vent is arranged between the bidirectional pneumatic cylinder 6 and the pneumatic pump 16.

The working principle is as follows: firstly, a fixed cylinder 1 is placed into an inner hole along an additionally-installed guide cone 3, a pneumatic pump 16 is additionally installed by starting, the pneumatic pump 16 is additionally installed with high-pressure air into a bidirectional pneumatic cylinder 6, the high-pressure air pushes two groups of pistons 10 to move outwards and respectively utilizes a group of pneumatic rods 7 to push a group of arc push plates 17 and a pressure sensor 9 to move outwards, when the pressure sensor 9 contacts the inner hole wall, a generated pressure signal is generated, a detector 15 detects the signal and measures the signal, a rotating handle 4 additionally installed is rotated by manual rotation, the rotating handle 4 drives a driving screw 12 additionally installed at the bottom end to rotate, the driving screw 12 is in threaded connection with a driving column 5 additionally installed with an inner thread groove 13, the driving column 5 only performs up-and-down translation without rotation under the action of an additionally-installed limiting groove 8 and a limiting slide block 14, so as to drive a measuring end to perform up-down translation, and thereby measuring the inner diameters of holes with different depths are measured, the ability to measure holes of different depths and with an angled inner diameter is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a pneumatic measuring apparatu of motor rotor hole diameter, includes a fixed section of thick bamboo (1), its characterized in that: the middle upper part of the outer side of the fixed cylinder (1) is fixedly connected with a balance disc (2), the bottom of the balance disc (2) is fixedly connected with a guide cone (3), the upper part of the inner part of the fixed cylinder (1) is fixedly connected with a fixed bearing (11), the inner part of the fixed bearing (11) is fixedly connected with a driving screw (12), the driving screw (12) is rotatably connected with the fixed cylinder (1) through the driving screw (12), the top end of the driving screw (12) is fixedly connected with a rotating handle (4), the bottom wall of the rotating handle (4) is rotatably connected with the fixed cylinder (1), the middle parts of the left and right side walls of the inner part of the fixed cylinder (1) are fixedly connected with a group of limiting slide blocks (14), the inner part of the fixed cylinder (1) is longitudinally slidably connected with a driving column (5), an inner thread groove (13) is arranged above the inner part of the driving column (5), and the driving column (5) is in threaded connection with the driving screw (12) through the inner thread groove (13), the lateral wall all is provided with a set of fore-and-aft spacing groove (8), and is two sets of about internal thread groove (13) spacing slider (14) are respectively through a set of spacing groove (8) longitudinal sliding connection drive post (5), below fixed connection detector (15) in drive post (5) inside, drive post (5) inside below fixed connection pneumatic pump (16), drive post (5) bottom fixed connection two-way pneumatic cylinder (6), two-way pneumatic cylinder (6) left and right sides wall center equal transverse sliding connection a set of pneumatic rod (7), two sets of pneumatic rod (7) outside end equal fixed connection a set of arc slurcam (17), two sets of pneumatic rod (7) medial extremity equal fixed connection a set of piston (10), two sets of arc slurcam (17) outside end equal fixed connection a set of pressure sensor (9).

2. The pneumatic measuring instrument for the inner hole diameter of the motor rotor as claimed in claim 1, wherein: the driving screw rod (12) longitudinally penetrates through the fixed bearing (11).

3. The pneumatic measuring instrument for the inner hole diameter of the motor rotor as claimed in claim 1, wherein: the fixed cylinder (1) longitudinally penetrates through the guide cone (3).

4. The pneumatic measuring instrument for the inner hole diameter of the motor rotor as claimed in claim 1, wherein: the internal thread groove (13) longitudinally penetrates through the top wall of the driving column (5).

5. The pneumatic measuring instrument for the inner hole diameter of the motor rotor as claimed in claim 1, wherein: the detector (15) is respectively connected with the two groups of pressure sensors (9) through leads.

6. The pneumatic measuring instrument for the inner hole diameter of the motor rotor as claimed in claim 1, wherein: the two groups of pneumatic rods (7) respectively transversely penetrate through the left side wall and the right side wall of the bidirectional pneumatic cylinder (6).

7. The pneumatic measuring instrument for the inner hole diameter of the motor rotor as claimed in claim 1, wherein: and a connected vent hole is arranged between the bidirectional pneumatic cylinder (6) and the pneumatic pump (16).