CN209802226U - Self-made large caliper gauge - Google Patents

Abstract

The utility model provides a big caliber of self-control, which comprises a cross beam, the fixed arm, digging arm and spiral measurement mechanism, the fixed left end that sets up at the crossbeam of fixed arm, the bottom level of fixed arm is equipped with fixed measuring staff, the digging arm sets up on the crossbeam, a plurality of V type grooves are seted up to lower terminal surface equidistance at the crossbeam, the digging arm medial surface is equipped with two V type pieces, two V type pieces cooperate with V type groove, the crossbeam free movement can be followed to the digging arm, and through V type piece location and fastening screw locking, spiral measurement mechanism fixes the bottom at the digging arm, spiral measurement mechanism is including the activity measuring staff, the fixed sleeve, differential sleeve pipe and ratchet, the bottom at the digging arm is fixed to the fixed sleeve pipe, rotate the removal that ratchet and differential sleeve pipe realized the activity measuring staff, fixed measuring staff and activity measuring staff coaxial line set up and are parallel with the crossbeam. The utility model discloses can measure the part that reaches 2-3m to planer or planer mill processing, and convenient operation measurement accuracy is high.

Description

Self-made large caliper gauge

Technical Field

The utility model belongs to the measuring tool field especially relates to a big gauge caliper of self-control.

background

When a gantry plane or a gantry mill is used for machining large parts, oversized parts are measured, the oversized sizes of the large parts such as a locomotive body and the like are accurately measured, and the oversized sizes generally mean 2-3 meters. These oversized dimensions are measured, which results in difficult or inaccurate direct measurements due to the limitations of the gauge specifications. Therefore, it is necessary to design a device which is simple and convenient to measure large-size parts processed on a gantry planer or a gantry mill and has high measurement precision.

Disclosure of Invention

In view of this, the utility model aims at providing a big card rule of self-control, to the jumbo size measurement of processing on planer or the planer mill not only simple and convenient, measured size precision is high moreover.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a self-made large caliper comprises a cross beam, a fixed arm, a movable arm and a spiral measuring mechanism, wherein the fixed arm is fixedly arranged at the left end of the cross beam and forms an L-shaped structure with the cross beam, a fixed measuring rod is horizontally arranged at the bottom end of the fixed arm, the movable arm is arranged on the cross beam, a plurality of V-shaped grooves are formed in the lower end face of the cross beam at equal intervals, two V-shaped blocks are arranged on the inner side face of the movable arm, the distance between the two V-shaped blocks is equal to the distance between two adjacent V-shaped grooves in the cross beam, the two V-shaped blocks are matched with the V-shaped grooves, the movable arm can freely move along the cross beam and is positioned and locked by a fastening screw through the V-shaped blocks, the spiral measuring mechanism is fixed at the bottom end of the movable arm and comprises a movable measuring rod, a fixed sleeve, a differential sleeve and a ratchet wheel, the fixed, the movable measuring rod is moved by rotating the ratchet wheel and the differential sleeve, the fixed measuring rod and the movable measuring rod are coaxially arranged and are parallel to the cross beam, the horizontal distance between the end part of the fixed measuring rod and the V-shaped groove at the nearest position is 2.05m, the edge line of the differential sleeve is aligned to the position of 0 on the transverse scale line of the fixed sleeve, and the end part of the movable measuring rod and the middle shaft surface of the V-shaped block on the left side of the movable arm are arranged in a coplanar manner.

Furthermore, the distance between two adjacent V-shaped grooves is 0.05m, and 10V-shaped grooves are uniformly formed in the cross beam.

Further, the digging arm includes integrated into one piece's cup joint portion and connecting portion, cup joint portion cover establish on the crossbeam, set up threaded hole at the upper surface of cup joint portion, pass the screw hole through fastening screw and compress tightly the crossbeam up end and fix the digging arm, connecting portion and adapter sleeve rigid coupling, adapter sleeve and fixed sleeve interference fit.

further, the left side face of the sleeve joint part of the movable arm and the left side face of the connecting part are inclined planes, and the inclination angle is gradually increased.

Furthermore, the right side of the fixed arm is an inclined plane, and a flared measuring area is formed between the fixed arm and the movable arm.

Furthermore, a plurality of lightening holes are formed in the crossbeam and the fixed arm.

Compared with the prior art, the utility model a self-control big caliper has following advantage:

A big callipers of self-control, can measure to planer or planer mill the part of processing up to 2-3m, and convenient operation measurement accuracy is high.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a self-made large caliper according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of the movable arm and the beam.

Description of reference numerals:

1-beam, 2-fixed arm, 3-movable arm, 301-sleeve joint part, 302-connecting part, 4-fixed measuring rod, 5-V-shaped groove, 6-V-shaped block, 7-fastening screw, 8-movable sleeve rod, 9-fixed sleeve, 10-differential sleeve, 11-ratchet wheel, 12-connecting sleeve and 13-lightening hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In addition, the spiral measuring mechanism mentioned in the embodiment of the present invention is similar to a micrometer, and the working principle is the same as that of the micrometer.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-2, the spiral measuring device comprises a cross beam 1, a fixed arm 2, a movable arm 3, a fastening screw 7 and a spiral measuring mechanism, wherein the fixed arm 2 is fixedly arranged at the left end of the cross beam 1, the fixed arm 2 and the cross beam 1 form an L-shaped structure, a fixed measuring rod 4 is horizontally arranged at the bottom end of the fixed arm 2, the movable arm 3 is arranged on the cross beam 1, a plurality of V-shaped grooves 5 are formed in the lower end surface of the cross beam 1 at equal intervals, two V-shaped blocks 6 are arranged on the inner side surface of the movable arm 3, the distance between the two V-shaped blocks 6 is equal to the distance between two adjacent V-shaped grooves 5 on the cross beam 1, the two V-shaped blocks 6 are matched with the V-shaped grooves 5, the movable arm 3 can freely move along the cross beam 1 and is positioned by the V-shaped blocks 6 and locked by the fastening screw 7, the spiral measuring mechanism is fixed at the bottom, The measuring device comprises a fixed sleeve 9, a differential sleeve 10 and a ratchet wheel 11, wherein the fixed sleeve 9 is fixed at the bottom end of the movable arm 3, the ratchet wheel 11 and the differential sleeve 10 are rotated to realize the movement of the movable measuring rod 8, the fixed measuring rod 4 and the movable measuring rod 8 are coaxially arranged and are parallel to the cross beam 1, the horizontal distance between the end part of the fixed measuring rod 4 and the V-shaped groove 5 at the nearest position is 2.05m, the edge line of the differential sleeve 10 is aligned to the position of 0 on the transverse scale line of the fixed sleeve 9, and the end part of the movable measuring rod 8 and the middle axial plane of the V-shaped block on the left side of the movable arm 3 are arranged in.

The distance between two adjacent V type grooves 5 is 0.05m, and 10V type grooves are evenly arranged on the beam.

the digging arm 3 includes integrated into one piece's the portion of cup jointing 301 and connecting portion 302, the portion of cup jointing 301 cover establish on crossbeam 1, at the upper surface set up threaded hole of the portion of cup jointing 301, pass through the screw hole through fastening screw 7 and compress tightly crossbeam 1 up end and fix digging arm 3, connecting portion 302 and adapter sleeve 12 rigid coupling, adapter sleeve 12 and fixed sleeve 9 interference fit.

The left surface of the sleeve joint portion 301 of the movable arm 3 and the connecting portion 302 is an inclined plane, the inclination angle is gradually increased, the right side face of the fixed arm 2 is an inclined plane, a flared measuring area is formed between the fixed arm 2 and the movable arm 3, and measurement of a workpiece is facilitated.

A plurality of lightening holes 13 are formed in the crossbeam 1 and the fixed arm 2.

During measurement, the size of a large workpiece is estimated firstly, then a self-made large caliper is hoisted to the position of the large workpiece, the contact of the fixed measuring rod 4 is contacted with the left side surface of the large workpiece, the movable arm 3 is clamped into a proper V-shaped groove on the cross beam 1 according to the estimated size, then the fastening screw 7 is screwed to fix the movable arm 3, the movable arm 3 is clamped into which two V-shaped grooves 5, the large number of the size of the workpiece to be measured is determined, the small number of the size of the workpiece to be measured is determined by the spiral measuring mechanism arranged on the movable arm 2, the measuring principle of the spiral measuring mechanism is the same as that of a micrometer, and therefore the accurate measurement of the oversize size of the large part is realized. In addition, the structure of the fixed measuring rod 4 and the movable measuring rod 8 is changed, so that the measuring device can be used as an inside micrometer caliper.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a big snap gauge of self-control which characterized in that: including crossbeam (1), fixed arm (2), digging arm (3) and spiral measurement mechanism, fixed arm (2) fixed setting at the left end of crossbeam (1), fixed arm (2) and crossbeam (1) constitution L type structure, the bottom level of fixed arm (2) is equipped with fixed measuring staff (4), digging arm (3) set up on crossbeam (1) the lower terminal surface equidistance of crossbeam (1) set up a plurality of V type grooves (5), digging arm (3) medial surface be equipped with two V type blocks (6), the distance between two V type blocks (6) equals with the distance of two adjacent V type grooves (5) on crossbeam (1), two V type blocks (6) cooperate with V type groove (5), digging arm (3) can follow crossbeam (1) free movement, and fix a position and fastening screw (7) locking through V type block (6), the spiral measuring mechanism is fixed at the bottom end of the movable arm (3), the spiral measuring mechanism comprises a movable measuring rod (8), a fixed sleeve (9), a differential sleeve (10) and a ratchet wheel (11), the fixed sleeve (9) is fixed at the bottom end of the movable arm (3), the movable measuring rod (8) moves by rotating the ratchet wheel (11) and the differential sleeve (10), the fixed measuring rod (4) and the movable measuring rod (8) are coaxially arranged and are parallel to the cross beam (1), the horizontal distance between the end part of the fixed measuring rod (4) and the nearest V-shaped groove (5) is 2.05m, the edge line of the differential sleeve (10) is aligned to the '0' position on the transverse scale line of the fixed sleeve (9), and the end part of the movable measuring rod (8) and the middle axial plane of the left V-shaped block on the movable arm (3) are arranged in a coplanar mode.

2. The self-made large caliper according to claim 1, characterized in that: the distance between two adjacent V-shaped grooves (5) is 0.05m, and 10V-shaped grooves are uniformly formed in the cross beam.

3. The self-made large caliper according to claim 1, characterized in that: the movable arm (3) includes integrated into one piece's the portion of cup jointing (301) and connecting portion (302), the portion of cup jointing (301) cover establish on crossbeam (1), at the upper surface set up threaded hole of the portion of cup jointing (301), pass screw hole through fastening screw (7) and compress tightly crossbeam (1) up end and fix movable arm (3), connecting portion (302) and adapter sleeve (12) rigid coupling, adapter sleeve (12) and fixed sleeve (9) interference fit.

4. The self-made large caliper according to claim 3, characterized in that: the left side face of the sleeve joint part (301) and the left side face of the connecting part (302) of the movable arm (3) are inclined planes, and the inclination angle is gradually increased.

5. The self-made large caliper gauge according to claim 4, characterized in that: the right flank of fixed arm (2) is the inclined plane, form flaring formula measuring zone between fixed arm (2) and digging arm (3).

6. The self-made large caliper according to claim 1, characterized in that: a plurality of lightening holes (13) are formed in the crossbeam (1) and the fixed arm (2).