CN211953910U

CN211953910U - Mechanical type segment difference parallel difference ruler

Info

Publication number: CN211953910U
Application number: CN202020513166.4U
Authority: CN
Inventors: 李子明; 肖兵; 刘苏洋; 尚光明
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-17
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a poor parallel poor chi of mechanical type section, including long ruler, U-shaped chi and vernier scale cover are on long ruler to accessible fastening bolt's elasticity slides and fixes along long ruler respectively, be equipped with scale surface and front end measurement base face on the long ruler, be provided with measuring needle, first scale and second scale on the U-shaped chi, measuring needle measures the base face cooperation with long ruler front end and measures, the first scale of U-shaped chi cooperates the reading with long ruler scale, the cooperation reads numerical value on U-shaped chi second scale and the vernier scale, and through the mode that sets up the vernier scale, the realization directly measures the parallel difference value of different measuring positions, improves measurement efficiency.

Description

Mechanical type segment difference parallel difference ruler

Technical Field

The utility model relates to a mechanical measurement technical field, concretely relates to poor parallel error chi of mechanical type section.

Background

The mechanical type segment difference chi commonly used at present can only measure the segment difference value, and the segment difference of the poor parallel of segment need use different position measurement's segment difference value to calculate and reachs, and in the actual measurement process, the poor calculating process of parallel can reduce measurement of efficiency, the utility model discloses can directly read out the parallel difference value on the dipperstick, promote measurement of efficiency.

Disclosure of Invention

The utility model discloses improve on traditional mechanical type section difference chi, through the mode that further sets up the vernier scale, provide a mechanical type section difference parallel difference chi, can the parallel difference of direct measurement, concrete technical scheme as follows:

poor parallel error chi of mechanical type section, including long ruler, U-shaped chi and vernier scale, wherein U-shaped chi and vernier scale cover are on long ruler to accessible fastening bolt's elasticity slides and fixes along long ruler respectively, be equipped with scale surface and front end measurement base face on the long ruler, be provided with measuring needle, first scale surface and second scale surface on the U-shaped chi, the first scale surface of U-shaped chi cooperates with long ruler scale surface and reads numerical value and obtain the section difference value, U-shaped chi second scale surface and vernier scale surface cooperation read numerical value and obtain parallel difference value.

Under the initial state of the mechanical type section difference parallel difference ruler, the 0 scale of the first scale surface of the U-shaped ruler is aligned with the 0 scale of the scale surface of the long ruler, and the measuring needle head is aligned with the measuring base surface at the front end of the long ruler.

The minimum scales of the first scale surface of the U-shaped ruler and the second scale surface of the U-shaped ruler are different from the minimum scales of the scale surface of the long ruler and the scale surface of the vernier.

Preferably, the minimum scale of the first scale surface of the U-shaped ruler and the second scale surface of the U-shaped ruler is 0.95mm, and the minimum scale of the scale surface of the long ruler and the scale surface of the vernier is 1 mm.

Preferably, the measuring needle is movable, and the measuring needle can slide and be fixed on the U-shaped ruler through the fastening bolt along the direction perpendicular to the long ruler, so that different positions of the to-be-measured piece can be movably measured, and the measuring efficiency is improved.

Preferably, the front end of the long ruler is provided with a limiting structure so as to prevent the U-shaped ruler from sliding out of the front end of the long ruler.

Preferably, the tail part of the U-shaped ruler is set to be of a full-surrounding structure so as to strengthen the movable connection between the U-shaped ruler and the long ruler, and the U-shaped ruler can be effectively fixed on the long ruler when sliding.

According to the above technical scheme, the utility model discloses the poor parallel error chi of mechanical type section adopts the mode that long ruler, U-shaped chi and vernier scale combined together, can be in the measurement direct measurement value of parallel error, effectively promotes measuring efficiency.

Drawings

Fig. 1 is a schematic structural view of the mechanical segment difference parallel difference ruler of the present invention.

The measuring instrument comprises a 1-long ruler, a 2-U-shaped ruler, a 3-vernier, a 4-long ruler scale surface, a 5-long ruler front end measuring base surface, a 6-measuring needle, a 7-U-shaped ruler first scale surface, an 8-U-shaped ruler second scale surface and a 9-vernier scale surface.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1 and the specific embodiments. The described embodiments are only some, but not all embodiments of the 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.

Poor parallel difference chi of mechanical type section, including ruler 1, U-shaped chi 2 and vernier 3, wherein U-shaped chi 2 and vernier 3 cover are on ruler 1 to accessible fastening bolt's elasticity slides and fixes along ruler 1 respectively, be equipped with ruler scale surface 4 and ruler front end measurement base face 5 on ruler 1, be provided with on U-shaped chi 2 and measure needle 6, the first scale surface 7 of U-shaped chi and U-shaped chi second scale surface 8, the first scale surface 7 of U-shaped chi and ruler scale surface 4 cooperation reading, U-shaped chi second scale surface 8 and vernier scale surface 9 cooperation reading numerical value. Further, for convenient reading, the minimum scale of the first scale surface 7 of the U-shaped ruler and the second scale surface 8 of the U-shaped ruler is 0.95mm, and the minimum scale of the scale surface 4 of the long ruler and the scale surface 9 of the vernier is 1 mm.

For measuring convenience, the measuring needle 6 is movably arranged, and the measuring needle 6 can slide and be fixed on the U-shaped ruler 2 along the direction perpendicular to the long ruler 1 through a fastening bolt, so that different positions of a piece to be measured can be movably measured, and the measuring efficiency is improved.

Furthermore, the front end of the long ruler 1 is provided with a limiting structure to prevent the U-shaped ruler 2 from sliding out of the front end of the long ruler.

Further, the tail of the U-shaped ruler 2 is arranged to be of a full-surrounding structure so as to strengthen the movable connection between the U-shaped ruler 2 and the long ruler 1, and the U-shaped ruler 2 can be effectively fixed on the long ruler 1 when sliding.

Under the initial state of the mechanical type segment difference parallel differential ruler, the 0 scale of the first scale surface 7 of the U-shaped ruler is aligned with the 0 scale of the scale surface 4 of the long ruler, and the needle head of the measuring needle 6 is aligned with the measuring base surface 5 at the front end of the long ruler 1.

The utility model discloses poor parallel error chi of mechanical type section's measurement step is as follows:

1. adjusting the mechanical section difference parallel difference ruler to align a measuring base surface 5 at the front end of the long ruler to a reference surface of a piece to be measured in an initial state, loosening a U-shaped ruler fastening bolt, moving the U-shaped ruler 2 to enable a needle head of a measuring needle 6 to contact a first measuring position, screwing the U-shaped ruler fastening bolt, fixing the U-shaped ruler 2 on the long ruler 1, and reading a section difference value of the first measuring position of the piece to be measured through scales on a first scale surface 7 of the U-shaped ruler and a scale surface 4 of the long ruler;

2. loosening the fastening bolt of the vernier, moving the vernier 3 to align the scale 0 of the scale surface 9 of the vernier with the scale 0 of the second scale surface 8 of the U-shaped ruler, screwing the fastening bolt of the vernier, and fastening the vernier 3 on the long ruler 1;

3. the measuring base face 5 at the front end of the ruler is aligned to the reference face of the piece to be measured, the U-shaped ruler fastening bolt is loosened, the U-shaped ruler 2 is moved to enable the needle head of the measuring needle 6 to contact with the second measuring position, the U-shaped ruler fastening bolt is screwed down again, the U-shaped ruler 2 is fixed on the ruler 1, the second measuring position section difference value can be read through the scales on the first scale face 7 of the U-shaped ruler and the scale face 4 of the ruler, and the parallel difference value of the first measuring position and the second measuring position can be read on the second scale face 8 of the U-shaped ruler and the scale face 9 of the vernier.

Claims

1. The mechanical section difference parallel difference ruler is characterized by comprising a long ruler, a U-shaped ruler and a vernier, wherein the U-shaped ruler and the vernier are sleeved on the long ruler and can slide and be fixed along the long ruler through the tightness of a fastening bolt respectively, a scale surface and a front end measuring base surface are arranged on the long ruler, a measuring needle, a first scale surface and a second scale surface are arranged on the U-shaped ruler, the measuring needle is matched with the front end measuring base surface of the long ruler for measurement, the first scale surface of the U-shaped ruler is matched with the scale surface of the long ruler for reading a numerical value, the second scale surface of the U-shaped ruler is matched with the scale surface of the vernier for reading a numerical value, the minimum scales of the first scale surface of the U-shaped ruler and the second scale surface of the U-shaped ruler are different from the minimum scales of the scale surface of the long ruler and the scale surface of the oil scale, when the 0 scale of the first scale surface of the U-shaped ruler is aligned with the 0 scale surface of, the measuring needle head is aligned with the measuring base plane at the front end of the long ruler.

2. The mechanical level difference parallel ruler of claim 1, wherein the measuring pin is movable, and the measuring pin can be slid and fixed on the U-shaped ruler in a direction perpendicular to the long ruler by fastening bolts.

3. The mechanical level difference parallel error scale of claim 1, wherein the minimum scale of the first scale surface of the U-shaped scale and the second scale surface of the U-shaped scale is 0.95mm, and the minimum scale of the scale surface of the long scale and the scale surface of the vernier scale is 1 mm.

4. The mechanical type section difference parallel difference ruler of claim 1, wherein a limiting structure is arranged at the front end of the long ruler to prevent the U-shaped ruler from sliding out of the front end of the long ruler.

5. The mechanical type section difference parallel difference ruler according to any one of claims 1 to 4, wherein the tail part of the U-shaped ruler is arranged to be a full surrounding structure so as to strengthen the movable connection between the U-shaped ruler and the long ruler, so that the U-shaped ruler can be effectively fixed on the long ruler when sliding.