CN211234265U

CN211234265U - Concentricity detection device

Info

Publication number: CN211234265U
Application number: CN201921379438.XU
Authority: CN
Inventors: 张正响; 唐子宜
Original assignee: Shanghai Zhencheng Machinery Co ltd
Current assignee: Shanghai Zhencheng Machinery Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-08-11
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a concentricity detection device, including 45 steel base, be provided with the aluminium alloy on the 45 steel base, 45 steel base both ends are all installed and are fixed with the handle, one end on the aluminium alloy on the 45 steel base is provided with the axle head baffle, on the aluminium alloy to, the axle head baffle other end is provided with magnetism gauge stand device district, is provided with the support column on the magnetism gauge stand device district respectively, install the amesdial on the support column respectively, on the aluminium alloy be provided with the screw locating piece between the amesdial, two be provided with the V-arrangement frame on the screw locating piece respectively. Has the advantages that: this concentricity detection device is provided with the handle, and the device uses 45 steel bases moreover, makes the device more light, and the transport of being convenient for or carrying, and the device yardstick is accurate simultaneously, measures accurately, according to the unified operation gimmick of exact operating procedure, thereby service life can guarantee work piece measurement accuracy extension equipment.

Description

Concentricity detection device

Technical Field

The utility model relates to a discharge the detection area, particularly, relate to a concentricity detection device.

Background

At present, a switch cabinet is an important device commonly used in an electric power system, partial discharge can be generated when insulation defects exist in the interior of the switch cabinet, the insulation state of the switch cabinet can be effectively judged through detection of the partial discharge, and the effective detection of the partial discharge has important significance for ensuring safe and stable operation of the switch cabinet. In the existing detection method of the partial discharge signals in the switch cabinet, a worker holds a test instrument in a hand mode, a sensor is arranged in the instrument in a built-in mode, the sensor is vertically attached to different positions of a shell of the high-voltage switch cabinet in detection, contact is guaranteed, and data displayed by the detection instrument is observed. In the detection mode, the body of a detection person can directly contact the high-voltage switch cabinet, so that certain potential safety hazards exist; in addition, when the sensor is placed, the stability of the sensor cannot be guaranteed due to human reasons, so that the detection result is deviated, and the effectiveness and the accuracy of detection are influenced.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, provide a concentricity detection device.

The technical scheme of the utility model is realized like this:

the utility model provides a concentricity detection device, includes 45 steel base, be provided with the aluminium alloy on 45 steel base, 45 steel base's both ends are all installed and are fixed with the handle, one end on 45 steel base's the aluminium alloy is provided with the axle head baffle, on 45 steel base's the aluminium alloy to, the axle head baffle other end is provided with magnetism gauge stand device district, is provided with the support column on the magnetism gauge stand device district respectively, install the amesdial on the support column respectively, be provided with the screw hole locating piece between the amesdial respectively, be provided with the V-arrangement frame on the screw hole locating piece respectively.

As an optimized technical scheme of the utility model, two the material that the contact site of V-arrangement frame used is embedded wear-resisting steel.

As an optimal technical scheme of the utility model, the one end on the aluminium alloy on the 45 steel base is provided with the axle head baffle on the aluminium alloy that is arranged in blockking the product location of being surveyed among the device.

As an optimized technical scheme of the utility model, 45 the handle that is used for removing or carrying is all installed and fixed at the both ends of steel base.

The utility model has the advantages that:

1. the concentricity detection device is provided with a handle, and uses a 45-steel base, so that the device is relatively light and convenient to carry or carry;

2. meanwhile, the device is accurate in size and measurement, operation methods are unified according to correct operation steps, equipment is used, and therefore the measurement precision of the workpiece can be guaranteed, and the service life of the equipment can be prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of a concentricity testing apparatus according to an embodiment of the present invention;

fig. 2 is a side view of a concentricity testing apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a V-shaped frame of a concentricity testing apparatus according to an embodiment of the present invention.

In the figure:

1. a 45 steel base; 2. a handle; 3. a dial indicator; 4. an aluminum profile; 5. a V-shaped frame; 6. a shaft end baffle; 7. a support pillar; 8. a magnetic watch base; 9. and a threaded hole positioning block.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example one

As shown in fig. 1-3, according to the utility model discloses a concentricity detection device, including 45 steel base 1, be provided with aluminium alloy 4 on 45 steel base 1, handle 2 is all installed and is fixed at 45 steel base 1's both ends, one end on 45 steel base 1's the aluminium alloy 4 is provided with axle head baffle 6, on 45 steel base 1's the aluminium alloy 4 to, the 6 other end of axle head baffle is provided with three magnetism gauge stand 8, and three pinning is provided with support column 7 on the magnetism gauge stand 8 respectively, and is three install amesdial 3 on the support column 7 respectively, and is three be provided with screw hole locating piece 9 between the amesdial 3 respectively, two be provided with V-arrangement frame 5 on the screw hole locating piece 9 respectively.

The material used for the contact part of the two V-shaped frames 5 is embedded wear-resistant steel.

And a baffle 6 for blocking the shaft end of the tested product positioning aluminum profile in the device is arranged at one end of the aluminum profile 4 of the 45 steel base 1.

Handles 2 used for moving or carrying are fixedly arranged at two ends of the 45 steel base 1.

To sum up, with the aid of the above technical scheme of the utility model, the utility model discloses a method of use as follows:

1. adjusting the distance between the two V-shaped frames 5, wherein the supporting point of the V-shaped frames 5 is the datum point (bearing position) of the shaft to be measured;

2. adjusting the shaft end baffle 6 to be tightly attached to the shaft end;

3. adjusting the dial indicator 3 to be in correct contact with the shaft diameter surface;

4. the light turning support column 7 reads the numerical value of the dial indicator 3.

To sum up, with the aid of the above technical scheme of the utility model, the utility model discloses an use step as follows:

1. whether the V-shaped frame 5 is abraded or not and bad factors such as foreign matter adhesion exist are checked, and the V-shaped frame 5 is ensured to be intact;

2. checking whether the pointer of the lever meter is aligned to the zero position, slightly shifting the meter head by hands, and checking whether the pointer returns to the zero position;

3. putting the cleaned product on a V-shaped frame 5, adjusting a height adjusting screw of the V-shaped frame 5, and visually observing that the product is basically in a horizontal position;

4. adjusting the distance between the two V-shaped frames 5 according to the length between the two bearing positions, and paying attention to the fact that the V-shaped frames 5 cannot contact the bottom surfaces of the bearing positions so as to avoid influencing a measurement result, and locking the magnetic gauge stand after adjustment is finished;

5. after the positioning pin is adjusted to contact the end face of the product, the positioning screw is locked, and the product is prevented from moving transversely to influence the measurement result during rotation measurement;

6. clamping the lever meter at the gear to be measured (note that the number of the lever meter cannot exceed 5 meters at a time), wherein a meter head needs to lean against the highest point of the outer diameter, and the meter head contacts a workpiece (a meter hand deviates from a zero position by about half a circle);

7. the length L of the gear to be detected is more than 6mm, and the checking point is about 3mm away from the end face; the length L of the gear to be detected is less than or equal to 6mm, and the checking point is 1/2L;

8. when the concentricity of a product with a key groove is measured, the starting point is specified to start to rotate from the edge of the key groove, and the position of a pointer and the measurement position of the product are observed during measurement, so that misjudgment caused by mistakenly considering that the measurement is carried out at the key groove when the measurement value exceeds the specification requirement is avoided;

9. during inspection, the workpiece is rotated clockwise, the rotation angle is more than 360 degrees, and the left and right movement amount of the watch hand is observed to be OK within a tolerance range;

10. in the checking process, each meter is checked one by one, so that the phenomenon that the meter head is not contacted with a product or the meter is dead is prevented, and product misjudgment is caused.

This concentricity detection device is provided with the handle, and the device uses 45 steel bases moreover, makes the device more light, and the transport of being convenient for or carrying, this concentricity detection device yardstick is accurate simultaneously, measures accurately, according to the unified operation gimmick of exact operating procedure, and thereby service life can guarantee work piece measurement accuracy extension equipment.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The utility model provides a concentricity detection device, its characterized in that, includes 45 steel base (1), be provided with aluminium alloy (4) on 45 steel base (1), handle (2) are all installed and are fixed at the both ends of 45 steel base (1), one end on 45 steel base's (1) aluminium alloy (4) is provided with axle head baffle (6), on 45 steel base's (1) aluminium alloy (4), and axle head baffle (6) other end is provided with magnetism gauge stand device district (8), is provided with support column (7) on magnetism gauge stand device district (8) respectively, install amesdial (3) on support column (7) respectively, be provided with screw hole locating piece (9) between amesdial (3) respectively, two be provided with V-arrangement frame (5) on screw hole locating piece (9) respectively.

2. A concentricity testing device according to claim 1, wherein the contact portions of the two V-shaped frames (5) are made of embedded wear resistant steel.

3. The concentricity detection device according to claim 2, wherein one end of the aluminum profile (4) of the 45 steel base (1) is provided with a shaft end baffle (6) on a positioning aluminum profile for blocking a product to be detected in the device.

4. The concentricity detection device according to claim 3, wherein handles (2) for moving or carrying are fixedly arranged at both ends of the 45 steel base (1).