CN216482759U

CN216482759U - Device for quickly measuring coaxiality of VE pump

Info

Publication number: CN216482759U
Application number: CN202122997832.3U
Authority: CN
Inventors: 储鹏程; 秦汉; 杨彦莉; 赵国军
Original assignee: Wuxi Weifu High Technology Group Co Ltd
Current assignee: Wuxi Weifu High Technology Group Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-10
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a device for quickly measuring the coaxiality of a VE pump, which comprises a rotary positioning base and a retractable lever-type coaxiality measuring mechanism, wherein the rotary positioning base is provided with a positioning hole; the locating ring is established to collapsible lever axiality measuring mechanism including the body, body outside cover, and the set screw is established to the spiral shell in the locating ring, and vertical opening has the measuring stick chamber in the body, articulated measuring stick middle part in the lever chamber, is equipped with the spring between measuring stick upper portion one side and the body, and measuring stick upper portion opposite side is equipped with the button, body upper portion installation measuring meter, and the measuring stick upper end stretches out the body and hugs closely the measuring meter gauge head, and the measuring stick lower extreme stretches out the body and installs the gauge head. The utility model has simple structure and small occupied space; adopt equidistance lever principle, effectively will measure deviation transmission VE pump outside, conveniently measure and read.

Description

Device for quickly measuring coaxiality of VE pump

Technical Field

The utility model belongs to the technical field of pump body measurement, and relates to a device for rapidly measuring the coaxiality of a VE pump.

Background

The conventional common coaxiality measuring tool mainly takes universal measuring equipment such as a three-coordinate measuring instrument and a coaxiality measuring instrument, and the three-coordinate measuring tool is strong in adaptability, and is measured by taking a plurality of measuring points, establishing two or more cylindrical or conical models and calculating the deviation of an axis through software; the principle of the coaxiality measuring instrument is that a certain cylindrical surface is used as a reference, and the deviation change of the measured cylindrical surface and the reference cylindrical surface is measured by driving to rotate and move. For the VE pump with special coaxiality of small diameters at two ends and large diameter in the middle, three-coordinate measurement can be performed, but the efficiency is low, the measurement cost is high, and online measurement cannot be performed; the conventional axiometers are not suitable for VE pumps.

Disclosure of Invention

The utility model aims to provide a device for rapidly measuring the coaxiality of a VE pump, which can solve the problems of high measurement cost and incapability of on-line measurement.

According to the technical scheme provided by the utility model: a device for rapidly measuring the coaxiality of a VE pump comprises a rotary positioning base and a retractable lever-type coaxiality measuring mechanism; the retractable lever-type coaxiality measuring mechanism comprises a body, a positioning ring is sleeved outside the body, a set screw is arranged in the positioning ring in a threaded manner, a measuring rod cavity is vertically formed in the body, the middle of a measuring rod is hinged in the rod cavity, a spring is arranged between one side of the upper portion of the measuring rod and the body, the other side of the upper portion of the measuring rod is provided with a button, a measuring meter is installed on the upper portion of the body, the upper end of the measuring rod extends out of the body and clings to a measuring meter measuring head, and the lower end of the measuring rod extends out of the body and is provided with the measuring head.

As a further improvement of the utility model, the rotary positioning base comprises a base, and the base is rotationally connected with the rotary positioning base through a bearing.

As a further improvement of the utility model, the base is placed on the measuring workbench, and the upper part of the base is provided with a bearing installation groove.

As a further improvement of the utility model, the bearing is positioned in the bearing installation groove, the bearing outer ring is tightly attached to the inner wall of the bearing installation groove, and the bearing inner ring is tightly attached to the bottom of the rotary positioning seat.

As a further improvement of the utility model, the bottom of the rotary positioning seat is provided with a bearing installation boss, the upper part of the rotary positioning seat is provided with a VE pump positioning boss, and the bearing installation boss is arranged in a bearing inner ring.

As a further improvement of the utility model, one side of the measuring rod cavity is communicated with a spring installation cavity, a spring in the spring installation cavity is arranged, one end of the spring is propped against the inner wall of the spring installation cavity, and the other end of the spring is propped against the upper part of the measuring rod.

As a further improvement of the utility model, one side of the measuring rod cavity is communicated with the button installation cavity, the button is slidably installed in the button installation cavity, and the outer end of the button installation cavity is in an open structure.

As a further improvement of the utility model, the outer end of the button installation cavity is provided with a limit sleeve.

As a further improvement of the utility model, one side of the body is vertically connected with the lower end of a fixed rod, the upper end of the fixed rod is horizontally sleeved with an adjusting rod, and a measuring meter is arranged on the adjusting rod.

As a further improvement of the utility model, the adjusting rod can horizontally slide on the upper end of the fixing rod and is locked by the adjusting knob.

The positive progress effect of this application lies in:

1. the utility model has simple structure and small occupied space; by adopting the equidistant lever principle, the measurement deviation is effectively transmitted to the outside of the VE pump, and the measurement reading is convenient.

2. The VE pump is placed on the rotary table, so that the weight of the VE pump is reduced, and the labor intensity is greatly reduced;

3. the utility model is convenient to adjust through adjusting knobs, hand-press buttons and other devices;

4. the coaxiality measuring device is simple and reliable in overall structure, portable and convenient to maintain.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution 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.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

In fig. 1, the device comprises a base 1, a bearing 2, a rotary positioning seat 3, a measured VE pump 4, a measuring head 5, a measuring rod 6, a positioning ring 7, a limiting sleeve 8, a button 9, a body 10, a fixing rod 11, a measuring meter 12, an adjusting rod 13, an adjusting knob 14, a spring 15 and the like.

As shown in fig. 1, the utility model is a device for rapidly measuring the coaxiality of a VE pump, which comprises a rotary positioning base and a retractable lever-type coaxiality measuring mechanism.

The rotary positioning base comprises a base 1, a bearing 2 and a rotary positioning seat 3, wherein the base 1 is rotatably connected with the rotary positioning seat 3 through the bearing 2.

The base 1 is placed on the measuring workbench, and the upper part of the base 1 is provided with a bearing mounting groove.

The bearing 2 is arranged in the bearing mounting groove, the outer ring of the bearing 2 is tightly attached to the inner wall of the bearing mounting groove, and the inner ring of the bearing 2 is tightly attached to the bottom of the rotary positioning seat 3.

The bottom of the rotary positioning seat 3 is provided with a bearing installation boss, and the upper part is provided with a VE pump positioning boss. The bearing mounting boss is mounted in the inner race of the bearing 2.

The retractable lever-type coaxiality measuring mechanism comprises a body 10, a positioning ring 7 is sleeved outside the body 10, and a set screw is screwed in the positioning ring 7 and used for fixing the body 7. Vertical division has the measuring stick chamber in the body 10, through the vertical articulated 6 middle parts of measuring stick of round pin axle in the lever chamber, and measuring stick 6 can be in the measuring stick chamber swing by a small margin, is equipped with spring 15 between 6 upper portion one side of measuring stick and the

body

10, and 6 upper portion opposite sides of measuring stick are equipped with

button

9, and 10 upper portion installation gauges 12 of body, 6 upper ends of measuring stick stretch out body 10 and hug closely 12 gauge heads of gauge, and 6 lower extremes of measuring stick stretch out body 10 and installation gauge head 5.

The measuring rod cavity both sides intercommunication spring installation cavity and button installation cavity, spring 15 in the spring installation cavity, spring 15 one end support spring installation intracavity wall, and the other end supports measuring rod 6 upper portion. Button 9 slidable mounting is in the button installation cavity, and button installation cavity outer end is open structure to installation stop collar 8 prevents the roll-off of button 9.

One side of the body 10 is vertically connected with the lower end of a fixed rod 11, the upper end of the fixed rod 11 is horizontally sleeved with an adjusting rod 13, and the adjusting rod 13 can horizontally slide on the upper end of the fixed rod 11 and is locked by an adjusting knob 14. The adjusting lever 13 is provided with a measuring gauge 12.

The spring 15 is a compression spring and has long service life.

The measuring meter 12 is a lever dial indicator and has high precision.

The working process of the utility model is as follows:

the coaxiality measuring device firstly puts the VE pump 4 on the rotary positioning seat 3. Adjusting the positioning ring 7, selecting a proper depth measuring position, and locking the set screw. The hand is pressed button 9, and button 9 is inner to support 6 upper portions of measuring stick, and 6 anticlockwise rotations of measuring stick, and gauge head 5 is along with the 6 lower parts of measuring stick withdrawal, can put measuring head 5 in being surveyed the VE pump like this, unclamps button 9, and effort through spring 15 makes measuring stick 6 swing, effectively laminates gauge head 5 in being surveyed the position, with the gauge needle of measuring gauge 12, contacts measuring stick 6 upper end, and the measurement is prepared the frock and has just been accomplished. The left hand holds the body 10, the right hand dials the VE pump to rotate, digital changes of the lever dial indicator are observed, and the maximum deviation value is the coaxiality measurement value of the VE pump.

After the measurement is finished, the button 9 is pressed by hand, the measuring head 5 retracts, the coaxiality measuring device is taken out, and the VE pump 4 to be measured is taken away, so that the whole measurement is finished

The working principle is as follows: can control the side head 5 through button 9 and stretch out and draw back, transmit through 6 equidistance of measuring stick, will rotate the deviation value of a week and pass to the lever percentage table and carry out reading and show.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.

Claims

1. A device for rapidly measuring the coaxiality of a VE pump is characterized by comprising a rotary positioning base and a retractable lever-type coaxiality measuring mechanism; collapsible lever axiality measuring mechanism includes body (10), holding ring (7) are established to body (10) outside cover, holding screw is established to the spiral shell in holding ring (7), vertical opening has the measuring stick chamber in body (10), articulated measuring stick (6) middle part in the lever chamber, be equipped with spring (15) between measuring stick (6) upper portion one side and body (10), measuring stick (6) upper portion opposite side is equipped with button (9), body (10) upper portion installation gauge (12), body (10) and hug closely measuring gauge (12) gauge head are stretched out to measuring stick (6) upper end, measuring stick (6) lower extreme stretches out body (10) and installation gauge head (5).

2. The device for rapidly measuring the coaxiality of the VE pump in claim 1, wherein the rotary positioning base comprises a base (1), and the base (1) is rotatably connected with the rotary positioning base (3) through a bearing (2).

3. The device for rapidly measuring the coaxiality of the VE pump in claim 2, wherein the base (1) is placed on a measuring workbench, and a bearing installation groove is formed in the upper part of the base (1).

4. The device for rapidly measuring the VE pump coaxiality of claim 3, wherein the bearing (2) is positioned in a bearing installation groove, an outer ring of the bearing (2) is tightly attached to the inner wall of the bearing installation groove, and an inner ring of the bearing (2) is tightly attached to the bottom of the rotary positioning seat (3).

5. The device for rapidly measuring the VE pump coaxiality of claim 3, wherein the rotary positioning seat (3) is provided with a bearing mounting boss at the bottom and a VE pump positioning boss at the upper part, and the bearing mounting boss is arranged in an inner ring of the bearing (2).

6. The device for rapidly measuring the VE pump coaxiality of claim 1, wherein one side of the measuring rod cavity is communicated with a spring mounting cavity, a spring (15) is arranged in the spring mounting cavity, one end of the spring (15) is abutted against the inner wall of the spring mounting cavity, and the other end of the spring (15) is abutted against the upper part of the measuring rod (6).

7. The device for rapidly measuring the VE pump coaxiality of claim 1, wherein one side of the measuring rod cavity is communicated with a button installation cavity, the button (9) is slidably installed in the button installation cavity, and the outer end of the button installation cavity is in an open structure.

8. A device for rapidly measuring VE pump coaxiality as in claim 7, wherein the outer end of the button mounting cavity is provided with a stop collar (8).

9. The device for rapidly measuring the VE pump coaxiality of claim 1, wherein one side of the body (10) is vertically connected with the lower end of a fixed rod (11), an adjusting rod (13) is horizontally sleeved at the upper end of the fixed rod (11), and a measuring meter (12) is installed on the adjusting rod (13).

10. The apparatus for rapid measurement of VE pump coaxiality according to claim 9, wherein the adjustment rod (13) is horizontally slidable on an upper end of the fixing rod (11) and is locked by an adjustment knob (14).