CN113203340A

CN113203340A - Measuring tool for detecting appearance and length of high-temperature parabolic cylinder part

Info

Publication number: CN113203340A
Application number: CN202110418363.7A
Authority: CN
Inventors: 许连辅; 赵勇; 许雁冰
Original assignee: China Ordnance Industry Group Aviation Ammunition Research Institute Co ltd
Current assignee: China Ordnance Industry Group Aviation Ammunition Research Institute Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-08-03

Abstract

The invention relates to a measuring tool for detecting the appearance and the length of a high-temperature parabolic cylinder, which comprises a front end fixing ruler, an appearance and full-length detecting ruler, a connecting body, a dividing ruler and a rear end measuring ruler component. The invention can measure high-temperature workpieces above 1000 ℃, a common general measuring tool can only measure normal-temperature workpieces, the measuring tool precision can be damaged when measuring the high-temperature workpieces, the measuring tool precision is low, each scale is 10mm, and the influence of high temperature on the measuring tool is not great.

Description

Measuring tool for detecting appearance and length of high-temperature parabolic cylinder part

Technical Field

The invention relates to a measuring tool, in particular to a measuring tool for detecting the shape and the length of a high-temperature parabolic cylinder, and belongs to the technical field of mechanical design and manufacturing.

Background

In various series products produced by the factory, the head part is provided with a parabolic cylinder, the original processing method is to directly process round steel, the cutting amount of an inner hole and the appearance is very large, the material utilization rate is only 20%, the material waste is very serious, the production efficiency is extremely low, the processing technology of the product is innovated aiming at the situation, the blank is manufactured by adopting a thermal compound extrusion method, the material can be saved by 48%, and the production efficiency is doubled. Adopt hot co-extrusion preparation blank, in order to guarantee that the extruded article size is qualified, avoid producing the waste product, need measure the outside shape and the appearance length of extruded article under the extrusion back high temperature state, general standard slide caliper is because two jack catchs are the same big, can't measure the big little work piece of one end diameter, designs for this reason and makes a high temperature parabola shape drum spare appearance and full length measuring tool.

Disclosure of Invention

The invention aims to solve the problem that the conventional universal standard vernier caliper cannot accurately measure a parabolic cylinder piece at a high temperature, and further provides a measuring tool for detecting the appearance and the length of the high-temperature parabolic cylinder piece.

The technical scheme adopted by the invention for solving the problems is as follows:

the utility model provides a measuring tool for detecting appearance and length of high temperature parabola shape drum spare includes that front end fixed ruler, appearance and full length detect chi, connector, scale and rear end dipperstick subassembly, the vertical setting of front end fixed ruler, the front end of appearance and full length detect chi and the upper end fixed connection of front end fixed ruler, and the rear end that appearance and full length detected the chi passes through the connector and is connected with the scale, rear end dipperstick subassembly and scale sliding connection, the length direction reciprocating motion of scale can be followed to the rear end dipperstick subassembly.

Further, rear end dipperstick subassembly includes sliding sleeve, jackscrew and rear end dipperstick, and the sliding sleeve suit is on the scale, and the lower extreme of jackscrew passes behind the sliding sleeve tightly with the scale top, the vertical setting of rear end dipperstick, the upper end of rear end dipperstick and the lower fixed surface of sliding sleeve are connected.

Furthermore, appearance and full length detection chi includes slope section and circular arc section, and slope section and circular arc section are connected into an organic whole from left to right.

Further, the cross section of the outline and full-length detection ruler is a rectangle of 5mm multiplied by 20 mm.

Furthermore, the graduated scale is annular steel pipe, and the excircle surface of graduated scale is equipped with the scale.

Furthermore, one end of the connecting body is connected with the appearance and the full-length detection ruler through screws, and the other end of the connecting body is inserted into the graduated scale and fixed with the graduated scale through welding.

The invention has the beneficial effects that:

1. the high-temperature workpiece measuring tool can measure high-temperature workpieces above 1000 ℃, a common general measuring tool can only measure workpieces with the same size or the value close to the size at the normal temperature and two ends, and the measuring tool precision can be damaged when the high-temperature workpiece is measured, the measuring tool precision is low, each scale is 10mm, the influence of high temperature on the measuring tool is small, and the influence of the high temperature on the measuring tool can be ignored because the tolerance size of the workpiece is large;

2. the measuring tool can measure a workpiece with a large diameter at one end and a small diameter at the other end, and the universal standard vernier caliper cannot measure the workpiece with the large diameter at one end and the small diameter at the other end because the two claws are as large as each other;

3. the measuring tool has simple structure and is convenient to manufacture; the measuring tool has low manufacturing cost, the standard measuring tool only has one tenth of the price of the standard measuring tool, the standard measuring tool only needs 5000 yuan, and the measuring tool only needs 500 yuan; the measuring tool is convenient to operate and high in applicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of the configuration and overall length of the measuring tape;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic structural view of a linker;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic view of the scale construction;

FIG. 9 is a left side view of FIG. 8;

FIG. 10 is a schematic view of the structure of the workpiece under test.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the measuring tool for detecting the appearance and the length of the high-temperature parabolic cylinder part in the embodiment includes a front end fixing ruler 1, an appearance and full-length detecting ruler 2, a connector 3, a graduated scale 4 and a rear end measuring ruler component, wherein the front end fixing ruler 1 is vertically arranged, the front end of the appearance and full-length detecting ruler 2 is fixedly connected with the upper end of the front end fixing ruler 1, the rear end of the appearance and full-length detecting ruler 2 is connected with the graduated scale 4 through the connector 3, the rear end measuring ruler component is slidably connected with the graduated scale 4, and the rear end measuring ruler component can reciprocate along the length direction of the graduated scale 4.

The front end fixing ruler is fixed with the appearance and full length detection ruler 2 through 4 screws; one crime of the connecting body 3 is fixed with the appearance and full length detection ruler 2 through four screws, and the other end of the connecting body 3 is welded and fixed with the graduated scale 4. The invention ensures that the workpiece to be detected can be detected in time in a high-temperature state, and judges whether the shape and the overall length size of the workpiece are qualified or not in time.

The second embodiment is as follows: the embodiment is described by combining fig. 1, the rear end measuring scale assembly of the embodiment comprises a sliding sleeve 5, a jackscrew 6 and a rear end measuring scale 7, the sliding sleeve 5 is sleeved on a graduated scale 4, the lower end of the jackscrew 6 penetrates through the sliding sleeve 5 and then tightly props up against the graduated scale 4, the rear end measuring scale 7 is vertically arranged, and the upper end of the rear end measuring scale 7 is fixedly connected with the lower surface of the sliding sleeve 5.

So set up, can be according to the length of the work piece that is surveyed, remove rear end dipperstick subassembly on scale 4. When measuring the work piece, loosen jackscrew 6, backward movement sliding sleeve 5 and rear end dipperstick 7 make the distance between front end fixed ruler 1 and the rear end dipperstick 7 be greater than the length size of being surveyed the work piece, will be surveyed the work piece and put between front end fixed ruler 1 and rear end dipperstick 7.

Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the embodiment is described with reference to fig. 4, the overall length and shape detection ruler 2 of the embodiment includes an inclined section 2-1 and an arc section 2-2, and the inclined section 2-1 and the arc section 2-2 are integrally connected from left to right.

Other components are connected in the same manner as in the second embodiment.

The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 5, and the outer shape and the full length detection ruler 2 of the present embodiment has a rectangular cross section of 5mm × 20 mm.

The connecting body 3 is the main part for measuring the shape and the length of the measured workpiece, the internal shape of the circular arc section 3-2 of the connecting body 3 is the external shape of the measured workpiece, and the length direction is a part of the measured workpiece.

Other components and connection relationships are the same as those in the first, second or third embodiment.

The fifth concrete implementation mode: in the present embodiment, the scale 4 is an annular steel pipe, and the outer circumferential surface of the scale 4 is provided with scale marks, which will be described with reference to fig. 8 and 9.

Other components and connections are the same as those of the first, second, third or fourth embodiments.

The sixth specific implementation mode: in the present embodiment, one end of the connecting body 3 is connected to the outer shape and overall length detecting ruler 2 by a screw, and the other end of the connecting body 3 is inserted into the scale 4 and fixed to the scale 4 by welding, as described with reference to fig. 6 and 7.

Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.

The working principle is as follows:

the lengths of the front end fixed ruler 1 and the rear end measuring ruler 7 are respectively the same as the diameter of the small end and the large end of the workpiece to be measured, when the workpiece is measured, loosening the jackscrew 6, moving the sliding sleeve 5 and the rear end measuring ruler 7 backwards to enable the distance between the front end fixing ruler 1 and the rear end measuring ruler 7 to be larger than the length dimension of the measured workpiece, placing the measured workpiece between the front end fixing ruler 1 and the rear end measuring ruler 7 to enable the front end fixing ruler 1 to be clamped at the small end of the measured workpiece and the rear end measuring ruler 7 to be clamped at the large end of the measured workpiece, enabling the appearance and total length detecting ruler 2 to be close to the measured workpiece, enabling the measured workpiece to be matched with the appearance and the molded line of the total length detecting ruler, and judging whether the appearance of the workpiece is qualified or not, screwing the jackscrew 6, taking the measuring tool off the workpiece, reading the measured value through the scales on the graduated scale 4, judging whether the workpiece is qualified or not, and finishing the measurement work of the workpiece. And releasing the jackscrew 6 to measure the next workpiece.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A measuring tool for detecting the shape and the length of a high-temperature parabolic cylinder part is characterized in that: the measuring tool for detecting the appearance and the length of the high-temperature parabolic cylinder part comprises a front end fixing ruler (1), an appearance and full-length detecting ruler (2), a connector (3), a dividing ruler (4) and a rear end measuring ruler component, wherein the front end fixing ruler (1) is vertically arranged, the front end of the appearance and full-length detecting ruler (2) is fixedly connected with the upper end of the front end fixing ruler (1), the rear end of the appearance and full-length detecting ruler (2) is connected with the dividing ruler (4) through the connector (3), the rear end measuring ruler component is connected with the dividing ruler (4) in a sliding mode, and the rear end measuring ruler component can move back and forth along the length direction of the dividing ruler (4).

2. The gauge for detecting the shape and length of a high-temperature parabolic cylinder according to claim 1, wherein: rear end dipperstick subassembly includes sliding sleeve (5), jackscrew (6) and rear end dipperstick (7), and sliding sleeve (5) suit is on scale (4), and the lower extreme of jackscrew (6) passes behind sliding sleeve (5) and tightly pushes up with scale (4), the vertical setting of rear end dipperstick (7), the lower fixed surface of the upper end of rear end dipperstick (7) and sliding sleeve (5) is connected.

3. The gauge for detecting the shape and length of a high-temperature parabolic cylinder according to claim 1, wherein: the appearance and full length detection ruler (2) comprises an inclined section (2-1) and an arc section (2-2), and the inclined section (2-1) and the arc section (2-2) are connected into a whole from left to right.

4. A gauge for detecting the shape and length of a high-temperature parabolic cylinder according to claim 3, wherein: the cross section of the outline and full length detection ruler (2) is a rectangle of 5mm multiplied by 20 mm.

5. The gauge for detecting the shape and length of a high-temperature parabolic cylinder according to claim 1, wherein: the graduated scale (4) is an annular steel pipe, and scales are arranged on the surface of the outer circle of the graduated scale (4).

6. The gauge for detecting the shape and length of a high-temperature parabolic cylinder according to claim 1, wherein: one end of the connecting body (3) is connected with the appearance and the full-length detection ruler (2) through screws, and the other end of the connecting body (3) is inserted into the graduated scale (4) and fixed with the graduated scale (4) through welding.