CN216115738U

CN216115738U - Section length measuring device of step shaft

Info

Publication number: CN216115738U
Application number: CN202121630959.5U
Authority: CN
Inventors: 於浩
Original assignee: Shanghai Wanlong Machinery Manufacturing Co ltd
Current assignee: Shanghai Wanlong Machinery Manufacturing Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-22
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a section length measuring device of a step shaft, wherein the upper surface of a bottom plate is an inclined surface, a third V-shaped block, a first V-shaped block and a second V-shaped block are sequentially arranged on one side of the bottom plate from low to high, the lower end surface of the first V-shaped block is abutted against the upper end surface of a first step of a workpiece to be measured, the first V-shaped block is connected with an upper guide rail frame, the upper guide rail frame is in sliding fit with a lower guide rail frame through a slide rail, an L plate is fixed on the upper guide rail frame, the L plate is matched with a first measuring head, the first measuring head is arranged on a first dial gauge, the first dial gauge is arranged on a gauge frame, a calibration piece placing disc is arranged on one side of the bottom plate, a calibration piece is arranged in the calibration piece placing disc, the second dial gauge is arranged on a measuring seat, the second dial gauge is connected with a second measuring head through a measuring rod, the second measuring head penetrates through the measuring seat, and the second measuring head is directly placed on the workpiece to be measured. The utility model has the advantages of high measuring speed, high measuring precision, convenient measurement and high repeated measuring precision.

Description

Section length measuring device of step shaft

Technical Field

The utility model relates to the technical field of step shaft measurement, in particular to a device for measuring the section length of a step shaft.

Background

The traditional step shaft is measured by a caliper, the measurement precision is low, the error is large, the measurement speed is low, the shaft with two large ends and a thin middle part is not measured, and in order to solve the problems, the utility model designs a device for measuring the section length of the step shaft.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the step shaft section length measuring device which is high in measuring speed, high in measuring precision, convenient to measure and high in repeated measuring precision, can simultaneously measure the sizes of two positions aiming at batch workpieces, and has high measuring efficiency in measuring the batch workpieces.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a section length measuring device of a step shaft comprises a bottom plate, an upper guide rail frame, a lower guide rail frame, a first V-shaped block, a second V-shaped block, a third V-shaped block, an L plate, a meter frame, a first kilo-minute meter, a proof piece placing disc, a proof piece, a first measuring head, a second measuring head, a measuring seat and a measuring rod, wherein the upper surface of the bottom plate is an inclined plane, the third V-shaped block, the first V-shaped block and the second V-shaped block are sequentially arranged on one side of the bottom plate from low to high, the third V-shaped block, the first V-shaped block and the second V-shaped block are provided with a measured workpiece, the lower end face of the first V-shaped block is abutted against the upper end face of the first step of the measured workpiece, the first V-shaped block is connected with the upper guide rail frame, the upper guide rail frame is in sliding fit with the lower guide rail frame through a sliding rail, the L plate is fixed on the upper guide rail frame, the L plate is matched with the first measuring head, the first kilo-minute meter is arranged on the first kilo-minute meter frame, the base plate one side is provided with the check piece and puts the dish, and the check piece is put and is set up the check piece in the dish, and the second amesdial sets up on measuring the seat, and the second amesdial passes through the measuring rod and connects the second measuring head, and the second measuring head passes the measuring seat setting, and the second measuring head is directly beaten on being surveyed the work piece.

Preferably, the distance between the first V-shaped block and the third V-shaped block is smaller than the minimum clearance of the first step shaft of the workpiece to be measured.

Preferably, the bottom of the bottom plate is provided with an inclined ground foot.

The utility model has the beneficial effects that: the utility model has the advantages of reasonable structural design, high measuring speed, high measuring precision, convenient measurement and high repeated measuring precision, can simultaneously measure the sizes of two positions aiming at batch workpieces, and has high measuring efficiency on the measurement of the batch workpieces.

Drawings

The utility model is described in detail below with reference to the drawings and the detailed description;

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a section length measuring device of a step shaft comprises a bottom plate 1, an upper guide rail frame 3, a lower guide rail frame 4, a first V-shaped block 5, a second V-shaped block 6, a third V-shaped block 7, an L plate 9, a meter frame 10, a first dial gauge 11, a checking piece placing disc 15, a checking piece 16, a first measuring head 17, a second measuring head 18, a measuring seat 19 and a measuring rod 20, wherein the upper surface of the bottom plate 1 is an inclined surface, the third V-shaped block 7, the first V-shaped block 5, the second V-shaped block 6, the third V-shaped block 7, the first V-shaped block 5 and the second V-shaped block 6 are sequentially arranged on one side of the bottom plate 1 from low to high, a workpiece 8 to be measured is placed on the third V-shaped block 7, the first V-shaped block 5 and the second V-shaped block 6, the lower end surface of the first V-shaped block 5 is close to the upper end surface of a first step of the workpiece 8, the first V-shaped block 5 is connected with the upper guide rail frame 3, the upper guide rail frame 3 is in sliding fit with the lower guide rail frame 4 through a sliding rail, and the L plate 9 is fixed on the upper guide rail frame 3, l board 9 and the cooperation of first measuring head 17, first measuring head 7 sets up on first thousandth table 11, first thousandth table 11 sets up on table frame 10, bottom plate 1 one side is provided with proofreading piece and puts dish 15, proofreading piece is put and is set up proofreading piece 16 in the dish 15, second thousandth table 22 sets up on measuring seat 19, second thousandth table 22 passes through measuring stick 20 and connects second measuring head 18, second measuring head 18 passes measuring seat 19 and sets up, second measuring head 18 directly beats on being surveyed work piece 8.

It is noted that the distance between the first V-block 5 and the third V-block 7 is smaller than the minimum clearance of the first step axis of the workpiece 8 to be measured.

In addition, the bottom of the bottom plate 1 is provided with an inclined ground pin 21.

The first V-shaped block 5, the second V-shaped block 6 and the third V-shaped block 7 of the embodiment are used for positioning the position and the center line of a workpiece 8 to be measured and the lowest step of a step shaft. Because the bottom plate 1 is an inclined plane, due to the relationship of gravity, the workpiece 8 to be measured can automatically lean against the end face of the third V-shaped block 7, the lower end face of the first V-shaped block 5 leans against the upper end face of the first step of the workpiece 8 to be measured, the first V-shaped block 5 is connected to the upper guide rail frame 3, the upper guide rail frame 3 is provided with a slide rail, the distance between the first V-shaped block 5 and the third V-shaped block 7 is smaller than the minimum gap of the first step axis of the workpiece 8 to be measured, after the step of the workpiece 8 to be measured is placed in, the first V-shaped block 5 has displacement, the L plate 9 is fixed on the upper guide rail frame 3, the L plate 9 has displacement, the measuring meter is arranged on the L plate 9, the measuring meter has corresponding degree, and similarly, the second step of the workpiece 8 to be measured is fixed on the measuring seat 19, the meter rod is lengthened and is directly arranged on the workpiece 8 to be measured.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A section length measuring device of a step shaft is characterized by comprising a bottom plate (1), an upper guide rail frame (3), a lower guide rail frame (4), a first V-shaped block (5), a second V-shaped block (6), a third V-shaped block (7), an L plate (9), a gauge frame (10), a first dial gauge (11), a checking piece placing disc (15), a checking piece (16), a first measuring head (17), a second measuring head (18), a measuring seat (19) and a measuring rod (20), wherein the upper surface of the bottom plate (1) is an inclined plane, a third V-shaped block (7), a first V-shaped block (5), a second V-shaped block (6), a third V-shaped block (7), a first V-shaped block (5) and a second V-shaped block (6) are sequentially arranged on one side of the bottom plate (1) from low to high, a measured workpiece (8) is placed on the third V-shaped block (7), the lower end face of the first V-shaped block (5) is close to the upper end face of a first step of the measured workpiece (8), first V type piece (5) link to each other with last guide rail frame (3), go up guide rail frame (3) through slide rail and lower guide rail frame (4) sliding fit, L board (9) are fixed on last guide rail frame (3), L board (9) and first measuring head (17) cooperation, first measuring head (7) set up on first thousandth table (11), first thousandth table (11) set up on table frame (10), bottom plate (1) one side is provided with proofreading piece and puts dish (15), set up proofreading piece (16) in proofreading piece and put dish (15), second thousandth table (22) set up on measuring seat (19), second measuring head (18) are connected through measuring rod (20) in second thousandth table (22), second measuring head (18) pass measuring seat (19) and set up, second measuring head (18) directly beat on surveyed work piece (8).

2. A step axis length measuring device according to claim 1, wherein the distance between the first V-block (5) and the third V-block (7) is smaller than the minimum clearance of the first step axis of the workpiece (8) to be measured.

3. A step shaft section length measuring device according to claim 1, wherein the bottom of the bottom plate (1) is provided with an inclined foot (21).