CN217980154U

CN217980154U - Roots rotor detection device

Info

Publication number: CN217980154U
Application number: CN202222392459.3U
Authority: CN
Inventors: 杜勇; 岳向成; 高晓东
Original assignee: Zhongke Jiuwei Technology Co ltd
Current assignee: Zhongke Jiuwei Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-06
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to a rotating machinery spare part detects technical field, concretely relates to roots rotor detection device, include: the detection plate is provided with a detection hole with the same shape as the profile of the Roots rotor, and the difference between the size of the detection hole and the size of the profile of the Roots rotor is the maximum tolerance of the Roots rotor profile design so as to allow the Roots rotor to axially pass through the detection hole. This application passes the inspection hole through roots's rotor, can not only short-term test roots's rotor profile contour dimension whether qualified, detects the profile degree, is convenient for discover local unsmooth position department fast moreover, and the check out cycle is short, and is efficient, is applicable to the production site extremely and produces in batches and detects.

Description

Roots rotor detection device

Technical Field

The utility model relates to a rotating machinery spare part detects technical field, concretely relates to roots rotor detection device.

Background

For the existing equipment such as a Roots vacuum pump, a Roots blower, a Roots flowmeter and the like, the core parts are Roots rotors which are in 8-shaped structures and irregular in shape; the common equipment is difficult to meet the measurement precision requirement of the profile of the Roots rotor; the three-coordinate detection can meet the measurement precision requirement of the profile of the Roots rotor, but has the defects of long detection period and low efficiency, and is not suitable for production sites and occasions of batch production detection.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming and having the defect of detection cycle length and inefficiency when adopting the three-dimensional to detect roots's rotor profile among the prior art, based on above circumstances, it is very necessary to develop a short and efficient roots's rotor detection device of detection cycle.

In order to achieve the above object, the utility model provides a roots rotor detection device, include:

the detecting plate is provided with a detecting hole with the same shape as the profile of the Roots rotor, and the difference between the size of the detecting hole and the size of the Roots rotor profile is the maximum tolerance of the Roots rotor profile design so as to allow the Roots rotor to axially pass through the detecting hole.

Optionally, the method further comprises:

and the gasket is detachably arranged between the detection hole of the detection plate and the molded surface of the Roots rotor.

Optionally, the shim is a standard feeler gauge.

Optionally, the method further comprises:

and the limiting part is connected with the detection plate through a connecting part, is coaxially arranged with the detection plate and is suitable for being installed on a shaft of the Roots rotor.

Optionally, a through hole is formed in the limiting member, and a shaft of the roots rotor penetrates through the through hole.

Optionally, the connecting member is two positioning shafts respectively disposed on two opposite sides of the detection hole.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. the utility model provides a roots rotor detection device, include: the detection plate is provided with a detection hole with the same shape as the profile of the Roots rotor profile, and the difference between the size of the detection hole and the size of the Roots rotor profile is the maximum tolerance of the Roots rotor profile design so as to allow the Roots rotor to axially pass through the detection hole; this application adopts above-mentioned technical scheme, passes the inspection hole through roots's rotor, not only can the short-term test roots's rotor profile contour dimension whether qualified, detects the profile tolerance, is convenient for discover local unsmooth position department fast moreover, and the check-out cycle is short, and is efficient, extremely is applicable to the production site and produces in batches and detects.

2. The utility model provides a roots's rotor detection device still includes: the gasket is detachably arranged between the detection hole of the detection plate and the molded surface of the Roots rotor; this application adopts above-mentioned technical scheme, through the gasket, whether the roots rotor profile overall dimension that can the short-term test optional position surpasss the design lower limit.

3. The gasket of the utility model is a standard clearance gauge; this application technical scheme is standard feeler gauge through specifically injecing the gasket, and the appearance deviation of detecting roots's rotor profile more accurately reliably.

4. The utility model provides a roots's rotor detection device still includes: the limiting piece is connected with the detection plate through a connecting piece, is coaxially arranged with the detection plate and is suitable for being installed on a shaft of the Roots rotor; this application adopts above-mentioned technical scheme, with locating part and the coaxial setting of pick-up plate, and on locating part and axle position fixed's basis, combine the gasket, not only can the short-term test profile degree, can also the short-term test judge the symmetry of roots's rotor profile for the axle.

5. The limiting piece of the utility model is provided with a through hole, and the shaft of the Roots rotor runs through the through hole; this application adopts above-mentioned technical scheme, reliably guarantees that locating part and axle are coaxial, and then reliably guarantees that pick-up plate and axle are coaxial.

6. The connecting piece of the utility model is two positioning shafts which are respectively arranged at two opposite sides of the detection hole; this application adopts above-mentioned technical scheme, guarantees that locating part and pick-up plate are connected reliably.

Drawings

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

Fig. 1 is a schematic top view of a roots rotor inspection device according to an embodiment of the present invention;

fig. 2 is a schematic front view structural diagram of a roots rotor detection device provided in an embodiment of the present invention;

fig. 3 is a schematic side view of a roots rotor inspection device according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a roots rotor detection device according to an embodiment of the present invention;

fig. 5 is a schematic front view of a detection board provided in the embodiment of the present invention;

fig. 6 is a schematic side view of a detection plate according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a detection plate according to an embodiment of the present invention;

fig. 8 is a schematic three-dimensional structure diagram of a roots rotor detection device provided in the embodiment of the present invention for detecting a roots rotor.

Description of the reference numerals:

1. detecting a plate; 2. a limiting member; 3. positioning the shaft; 4. a Roots rotor; 5. a shaft; 6. a detection hole; 7. and a through hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

One embodiment of the roots rotor inspection device shown in fig. 1 to 8, which is used for inspecting whether the profile of the roots rotor 4 is qualified, includes: the detection device comprises a detection plate 1, a limiting piece 2 connected with the detection plate 1 and a gasket arranged between the detection plate 1 and a Roots rotor 4.

As shown in fig. 5 to 8, the detection plate 1 is provided with a detection hole 6 with the same shape as the profile of the roots rotor 4, the difference between the size of the detection hole 6 and the size of the profile of the roots rotor 4 is the maximum tolerance designed for the external shape of the roots rotor 4 so as to allow the roots rotor 4 to axially pass through the detection hole 6, and particularly, the profile of the roots rotor 4 is an 8-shaped profile. The gasket is detachably arranged between the detection hole 6 of the detection plate 1 and the molded surface of the Roots rotor 4, and specifically, the gasket is a standard feeler gauge.

As shown in fig. 1 to 4 and 8, the limiting member 2 is connected to the detection plate 1 through a connecting member, and the limiting member 2 is coaxially disposed with the detection plate 1 and adapted to be mounted on the shaft 5 of the roots rotor 4. Specifically, a through hole 7 is formed in the limiting member 2, and the shaft 5 of the roots rotor 4 penetrates through the through hole 7; the connecting piece is two locating shaft 3 that locate the relative both sides of inspection hole 6 branch.

Utilize roots's rotor detection device detect, include: and (3) axially inserting the Roots rotor 4 into the detection hole 6 of the detection plate 1, and judging that the profile contour and the contour dimension of the Roots rotor 4 meet the requirement when the whole Roots rotor 4 completely passes through the detection hole 6.

Utilize roots's rotor detection device detect, include: after the Roots rotor 4 is axially inserted into the detection hole 6 of the detection plate 1, a gasket is placed between the Roots rotor 4 and the detection hole 6 to judge whether the profile size of the current position of the Roots rotor 4 exceeds the maximum tolerance.

Utilize roots's rotor detection device detect, include: the limiting piece 2 is installed on a shaft of the Roots rotor 4, the Roots rotor 4 is inserted into the detection hole 6 of the detection plate 1 along the axial direction, and then a gasket is placed between the Roots rotor 4 and the detection hole 6 so as to judge the symmetry degree of the molded surface of the Roots rotor 4 relative to the shaft 5. Further, compressed gas passes through a gap between a detection hole 6 of the detection plate 1 and the molded surface of the Roots rotor 4; the size of the gap is judged by measuring the pressure or flow rate change of the compressed gas.

The application briefly describes the use process of the roots rotor detection device as follows: the limiting piece 2 is installed on a shaft of the Roots rotor 4, the Roots rotor 4 is inserted into the detection hole 6 of the detection plate 1 along the axial direction, a gasket is placed between the Roots rotor 4 and the detection hole 6, the profile degree is detected, and meanwhile the symmetry degree of the profile of the Roots rotor 4 relative to the shaft 5 is judged.

As an alternative embodiment, the connecting elements are four positioning shafts 3 uniformly distributed around the periphery of the detection hole 6.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A Roots rotor inspection device, comprising:

the detection plate (1) is provided with a detection hole (6) with the same shape as the profile of the Roots rotor (4), and the difference between the size of the detection hole (6) and the size of the profile of the Roots rotor (4) is the maximum tolerance of the appearance design of the Roots rotor (4) so as to allow the Roots rotor (4) to axially pass through the detection hole (6).

2. The roots rotor inspection device of claim 1, further comprising:

the gasket is detachably arranged between the detection hole (6) of the detection plate (1) and the molded surface of the Roots rotor (4).

3. The Roots rotor inspection device according to claim 2,

the gasket is a standard feeler gauge.

4. The roots rotor inspection device of claim 2, further comprising:

the limiting piece (2) is connected with the detection plate (1) through a connecting piece, and the limiting piece (2) and the detection plate (1) are coaxially arranged and are suitable for being installed on a shaft (5) of the Roots rotor (4).

5. A Roots rotor testing device according to claim 4, wherein a through hole (7) is provided in the retainer (2), and the shaft (5) of the Roots rotor (4) is arranged through the through hole (7).

6. A Roots rotor testing device according to claim 4, wherein the connecting piece is two positioning shafts (3) arranged on opposite sides of the testing hole (6).