CN217058616U

CN217058616U - Two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool

Info

Publication number: CN217058616U
Application number: CN202221011377.3U
Authority: CN
Inventors: 张学锋; 白江涛; 周昌志; 王平明
Original assignee: Shigatuobo Clean Power Rugao Co ltd
Current assignee: Shigatuobo Clean Power Rugao Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-07-26
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to an impeller outlet height measurement frock field, specifically a two-stage gas suspension centrifugal air compressor impeller outlet height go-no go gage frock, the frock includes cylindric measuring seat, the bottom center of cylindric measuring seat is equipped with the center pin, be equipped with a supporting bench on the section of thick bamboo wall of cylindric measuring seat, be equipped with a plurality of groups measuring unit on the supporting bench, each group measuring unit includes the support measuring part and the rotating part that connect gradually, support measuring part including measuring face and holding surface, measuring face has two and symmetry setting in the both sides of holding surface; the rotating part comprises two contact sections and two rotating sections, and the two rotating sections are symmetrically arranged on two sides of the contact sections along the tangential directions of two ends of the contact sections; the impeller is installed and then rotates, and the outlet contact section of the impeller rotates from the contact section to the rotation section and is stopped at the rotation section to form a no-go gauge; the outlet contact section of impeller is rotatory from the contact section through rotatory section, and the outlet side line face and the laminating of measuring the face of impeller, form leading to the rule.

Description

Two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool

Technical Field

The utility model relates to an impeller export height measurement frock field specifically is a high logical no-go gage frock of two-stage gas suspension centrifugal air compressor machine impeller export.

Background

The impeller is an important component of the automobile air compressor, so that the quality of the blade of the impeller directly determines the quality of the air compressor, for the impeller, the height of the blade of the impeller directly influences the quality of the impeller, the blade is too high, and the impeller can rub a cylinder when the whole automobile is assembled; the blade is too low, and the lift of the air compressor cannot meet the requirement.

Therefore, the height of the impeller blade needs to be controlled and detected when the impeller is produced, so that the quality of the air compressor with the impeller is guaranteed, the existing measurement aiming at the height of the impeller outlet is manual measurement, the efficiency is low, long time is spent, the error is large due to fatigue of workers, the subsequent measurement is not accurate, and the use is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high no-go gage frock that leads to of two-stage gas suspension centrifugal air compressor machine impeller export through rotatory impeller, utilizes rotatory section to detect the height of impeller export boundary line face to cover dish, combines the principle that leads to the no-go gage, and the no-go gage can end at rotatory section, leads to the rule and can pass through to judge highly qualified or not.

In order to solve the technical problem, the utility model provides a two-stage air suspension centrifugal compressor impeller outlet height leads to no-go gage frock, the frock includes cylindric measuring seat, the bottom center of cylindric measuring seat is equipped with the center pin, be equipped with the brace table on the section of thick bamboo wall of cylindric measuring seat, be equipped with a plurality of groups of measuring component on the brace table, each group of measuring component includes support measuring part and the rotating part that connects gradually, support measuring part includes measuring surface and holding surface, measuring surface has two and symmetry setting in the both sides of holding surface;

the rotating part comprises two contact sections and two rotating sections, and the two rotating sections are symmetrically arranged on two sides of the contact sections along the tangential directions of two ends of the contact sections;

the rotating section is matched with the supporting surface to detect the height of the outlet of the impeller.

Furthermore, the contact section is arc-shaped, and the circle center of the contact section is concentric with the circle center of the central shaft.

Further, the chord length of the contact section is larger than the outlet width of the impeller.

Further, the height tolerance between the rotating section and the supporting surface is +/-0.03 mm.

Furthermore, the rotating section is an arc section, and the radius of the arc section is 3 mm.

Further, the diameter of the cylindrical measuring seat is equal to the diameter of the impeller.

The beneficial effects of the utility model are that: the utility model discloses a lead to no-go gage frock can improve detection work efficiency greatly, and whether the short-term test impeller export is highly qualified, compares in this frock of other detection methods simple easily operation, reduces the cost of labor.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art 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 it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool of the present invention;

fig. 2 is a schematic view of a partial structure of the two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool of the present invention;

FIG. 3 is a schematic view of the structure of the no-go gauge in the working state of the present invention;

FIG. 4 is a schematic view of the go gauge structure in the working state of the present invention;

FIG. 5 is a schematic structural view of an impeller;

in the figure: 1-cylindrical measuring base, 2-impeller, 11-central shaft, 12-supporting table, 21-outlet contact section, 22-outlet edge line surface, 23-cover disc, 121-supporting measuring part, 122-rotating part, 1211-measuring surface, 1212-supporting surface, 1221-contact section, 1222-rotating section, b-impeller outlet width and h-impeller outlet height.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In a specific embodiment of the present invention, as shown in fig. 1-5, a two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool includes a cylindrical measuring seat 1, the diameter of the cylindrical measuring seat 1 is equal to the diameter of the impeller 2, the bottom center of the cylindrical measuring seat 1 is provided with a central shaft 11, a supporting table 12 is provided on the cylinder wall of the cylindrical measuring seat 1, a plurality of sets of measuring components are provided on the supporting table 12, each set of measuring components includes a supporting measuring part 121 and a rotating part 122 connected in sequence, the supporting measuring part 121 includes a measuring surface 1211 and a supporting surface 1212, the measuring surface 1211 has two sides symmetrically disposed on the supporting surface 1212;

the rotating portion 122 includes two contact sections 1221 and a rotating section 1222, the rotating section 1222 has two, and is symmetrically disposed on two sides of the contact section 1221 along tangential directions of two ends of the contact section 1221, the contact section 1221 is arc-shaped, a circle center corresponding to the contact section 1221 is concentrically disposed with a circle center of the central shaft 11, and a chord length of the contact section 1221 is greater than the impeller outlet width b; the cooperation detects impeller exit height h between rotatory section 1222 and the holding surface 1212, and the high tolerance between rotatory section 1222 and the holding surface 1212 is 0.03mm, and rotatory section 1222 is the circular arc section, and the radius of circular arc section is 3 mm.

As shown in fig. 3, when the height between the rotating section 1222 and the supporting surface 1212 is 3.56mm, the impeller 2 is installed and then rotates, and the outlet contact section 21 of the impeller rotates from the contact section 1221 to the rotating section 1222 and stops at the rotating section 1222, so as to form a stop gauge; as shown in fig. 4, when the height between the rotating section 1222 and the supporting surface 1212 is 3.62mm, the outlet contact section 21 of the impeller 2 rotates from the contact section 1221 through the rotating section 1222, and the outlet side line 22 of the impeller 2 abuts against the measuring surface 1211 to form the go gauge.

Specifically, when the impeller outlet height h is measured, the impeller 2 is placed on the cylindrical measuring base 1 through the central shaft 11, the cover disc 23 of the impeller 2 is placed on the supporting surface 1212, the impeller 2 is rotated, the no-go gauge is stopped at the rotating section 1222, the go-no-go gauge passes through the rotating section 1222, and the outlet side line surface 22 of the impeller 2 is attached to the measuring surface 1211, so that the impeller outlet height h is judged to be qualified at this time.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims

1. The two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool is characterized by comprising a cylindrical measuring seat (1), wherein a central shaft (11) is arranged at the center of the bottom of the cylindrical measuring seat (1), a supporting table (12) is arranged on the wall of the cylindrical measuring seat (1), a plurality of groups of measuring assemblies are arranged on the supporting table (12), each group of measuring assemblies comprises a supporting measuring part (121) and a rotating part (122) which are sequentially connected, the supporting measuring part (121) comprises a measuring surface (1211) and a supporting surface (1212), and the measuring surfaces (1211) are provided with two parts which are symmetrically arranged on two sides of the supporting surface (1212);

the rotating part (122) comprises two contact sections (1221) and two rotating sections (1222), and the two rotating sections (1222) are symmetrically arranged on two sides of the contact sections (1221) along the tangential direction of two ends of the contact sections (1221);

the rotating section (1222) is matched with the supporting surface (1212) to detect the height of an impeller outlet.

2. The two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool as claimed in claim 1, characterized in that the contact section (1221) is arc-shaped, and the center of the contact section (1221) is concentric with the center of the central shaft (11).

3. The two-stage air-suspending centrifugal air compressor impeller outlet height go-no-go gauge tool as claimed in claim 2, characterized in that the chord length of the contact section (1221) is larger than the impeller outlet width.

4. A two-stage air-suspending centrifugal air compressor impeller outlet height go-no-go gauge tool as claimed in claim 1, characterized in that the height tolerance between the rotating section (1222) and the supporting surface (1212) is ± 0.03 mm.

5. The two-stage air suspension centrifugal air compressor impeller outlet height go-no-go gauge tool as claimed in claim 1, characterized in that the rotating section (1222) is a circular arc section with a radius of 3 mm.

6. The tooling for the height of the outlet of the impeller of the two-stage air-suspending centrifugal air compressor as claimed in claim 1, wherein the diameter of the cylindrical measuring seat (1) is equal to the diameter of the impeller (2).