CN202092609U

CN202092609U - Shaft diameter detection device

Info

Publication number: CN202092609U
Application number: CN2011201870564U
Authority: CN
Inventors: 卢明珠; 石广; 刘许安
Original assignee: Huangshi Bangke Technology Co Ltd
Current assignee: Huangshi Bangke Technology Co Ltd
Priority date: 2011-06-03
Filing date: 2011-06-03
Publication date: 2011-12-28
Anticipated expiration: 2021-06-03

Abstract

The present utility model discloses a shaft diameter detection device which comprises a positioning bench, a positioning hole, a first detection module, a second detection module and a control module. The positioning hole used for positioning detected shafts is arranged on the positioning bench, and the first detection module comprises a first emission module and a first receiving module used for receiving a first parallel laser beam transmitted by the first emission module. The second detection module comprises a second emission module and a second receiving module used for receiving a second parallel laser beam transmitted by the second emission module. The control module is respectively connected with the first receiving module and the second receiving module. The first parallel laser beam and the second parallel laser beam are parallel with each other and are arranged on the two sides of the positioning hole, and the vertical distance between the first parallel laser beam and the second parallel laser beam is smaller than the diameter of the positioning hole. The device is simple in structure and high in measuring precision, and the measuring process is free of abrasion.

Description

A kind of shaft diameter pick-up unit

Technical field

The utility model relates to the technology detection range, more specifically relates to a kind of shaft diameter pick-up unit, is applicable in the technology testing process measurement to shaft diameter.

Background technology

Main shaft diameter pick-up unit comprises manual digital display axle journal pick-up unit and automatic contact detecting apparatus at present.Manually digital display shaft diameter pick-up unit by the inductance displacement transmitter to measured axis measure, this pick-up unit shows measurement result by digital display, and is directly perceived.But artificial palm top of reason and employing contact type measurement, repeatability and precision are difficult to guarantee, the not high shortcoming of efficiency of measurement so exist.Automatically contact detecting apparatus adopt online metering system, measuring process by equipment finish automatically, efficiency of measurement height, measuring repeatability and measuring accuracy be also higher, but adopting the long-time use of contact type measurement to have the pick-up unit wearing and tearing, causing measurement size is not that problems such as diameter of section are measured in requirement, and stability in use is relatively poor.

The utility model content

The purpose of this utility model is the above-mentioned shortcoming that exists at prior art, and a kind of shaft diameter pick-up unit is provided, and adopts the non-contact measurement mode, and measuring process does not have wearing and tearing and precision height.

In order to realize above-mentioned purpose, the utility model by the following technical solutions:

A kind of shaft diameter pick-up unit, comprise positioning table, pilot hole, first detection module, second detection module and control module, be used for the pilot hole that measured axis positions is arranged on positioning table, the first detection module and second detection module are arranged on the positioning table and are separately positioned on the pilot hole both sides, and control module is connected with second detection module with first detection module respectively.

Aforesaid first detection module comprises first transmitter module and is used to receive first receiver module of first collimated laser beam of first transmitter module emission; Described second detection module comprises second transmitter module and is used to receive second receiver module of second collimated laser beam of second transmitter module emission that first receiver module is connected with control module respectively with second receiver module.

Aforesaid pilot hole is circular; Described first collimated laser beam and the parallel respectively pilot hole both sides that are positioned at of second collimated laser beam, first collimated laser beam and the second collimated laser beam vertical range are less than the diameter of pilot hole.

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

1, simple in structure, easy to operate;

2, adopt non-contact measurement, test process does not have wearing and tearing, has avoided contact type measurement because the measuring error that contact wear causes;

3, adopt high-precision laser positioning, the measuring accuracy height.

Description of drawings

Fig. 1 is a kind of shaft diameter pick-up unit synoptic diagram;

Wherein: 1-first transmitter module (GaN LED); 2-first receiver module (S-7000); 3-second transmitter module (GaN LED); 4-second receiver module (S-7000); 5-first collimated laser beam; 6-second collimated laser beam; The 7-positioning table; The 8-pilot hole; 9-control device (8051).

Embodiment

Below in conjunction with accompanying drawing the utility model is further described:

As shown in Figure 1, a kind of shaft diameter pick-up unit, comprise positioning table 7, pilot hole 8, first detection module, second detection module and control module 9, the pilot hole 8 that is used for measured axis is positioned is arranged on positioning table 7, the first detection module and second detection module are arranged on the positioning table 7 and are separately positioned on pilot hole 8 both sides, and control module 9 is connected with second detection module with first detection module respectively.First detection module comprises first transmitter module 1 and is used to receive first receiver module 2 of first collimated laser beam 5 of first transmitter module, 1 emission; Second receiver module, 4, the first receiver modules 2 that second detection module comprises second transmitter module 3 and is used to receive second collimated laser beam 6 of second transmitter module, 3 emissions are connected with control module 9 respectively with second receiver module 4.Pilot hole 8 is circular; First collimated laser beam 5 and parallel respectively pilot hole 8 both sides that are positioned at of second collimated laser beam 6, first collimated laser beam 5 and second collimated laser beam, 6 vertical ranges are less than the diameter of pilot hole 8.

The utility model need position first collimated laser beam 5 and second collimated laser beam 6 before measuring the measured axis diameter.By vertically penetrate the standard axle of a diameter at pilot hole 8 less than measured axis, the diameter of standard axle is E, by adjusting the relative position of first transmitter module, first receiver module 2, second transmitter module 3 and second receiver module 4, the vertical range of proofreading and correct first collimated laser beam 5 and second collimated laser beam 6 is E, finishes positioning process.

Need to record first transmitter module 1 and first collimated laser beam 5 of second transmitter module, 3 transmissions and the laser beam width of second collimated laser beam 6 after finishing positioning process, control module 9 is handled by first collimated laser beam 5 that first receiver module 2 and second receiver module 4 are received and the width information of second collimated laser beam 6, obtains first collimated laser beam 5 and second collimated laser beam, 6 width are respectively A and B.

When measured axis is detected, measured axis is vertically penetrated pilot hole 8.This moment, measured axis can block the part light of first collimated laser beam 5 and second collimated laser beam 6, first collimated laser beam 5 that is blocked that first receiver module 2 and second receiver module 4 will receive and the width information of second collimated laser beam 6 are input to control module 9, the width information that 9 pairs first receiver modules 2 of control module and second receiver module 4 send is handled, first collimated laser beam 5 after obtaining being blocked and the laser beam width of second collimated laser beam 6 are respectively C and D, and the diameter of measured axis is A+B+E-C-D.

First transmitter module 1 and second transmitter module 3 can be GaN LED in the utility model, and first receiver module, 2, the second receiver modules 4 can be S-7000 series of high speed, high precision CCD measuring appliance, and control module 9 can be 8051 single-chip microcomputers.

The utility model is simple in structure, and is easy to operate; Metering system adopts non-contact measurement, and test process does not have wearing and tearing, has avoided contact type measurement because the measuring error that contact wear causes; Adopt high-precision laser positioning, the measuring accuracy height.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. shaft diameter pick-up unit, it is characterized in that: this shaft diameter pick-up unit comprises positioning table (7), pilot hole (8), first detection module, second detection module and control module (9), the pilot hole (8) that is used for measured axis is positioned is arranged on positioning table (7), the first detection module and second detection module are arranged on the positioning table (7) and are separately positioned on pilot hole (8) both sides, and control module (9) is connected with second detection module with first detection module respectively.

2. a kind of shaft diameter pick-up unit according to claim 1 is characterized in that: described first detection module comprises first transmitter module (1) and is used to receive first receiver module (2) of first collimated laser beam (5) of first transmitter module (1) emission; Described second detection module comprises second transmitter module (3) and is used to receive second receiver module (4) of second collimated laser beam (6) of second transmitter module (3) emission that first receiver module (2) is connected with control module (9) respectively with second receiver module (4).

3. a kind of shaft diameter pick-up unit according to claim 2 is characterized in that: described pilot hole (8) is for circular; Described first collimated laser beam (5) and parallel respectively pilot hole (8) both sides that are positioned at of second collimated laser beam (6), first collimated laser beam (5) and the diameter of second collimated laser beam (6) vertical range less than pilot hole (8).