CN213067411U

CN213067411U - Parallelism measuring tool

Info

Publication number: CN213067411U
Application number: CN202022489517.5U
Authority: CN
Inventors: 常海涛; 林新强; 吴兰熙
Original assignee: Nanfu New Energy Technology Co ltd Yanping District Nanping Fujian
Current assignee: Nanfu New Energy Technology Co ltd Yanping District Nanping Fujian
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-04-27
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a frock is measured to depth of parallelism, it includes first locating plate, second locating plate, connecting rod and percentage table, first locating plate vertically sets up, and on the preceding terminal surface of second locating plate vertical fixation in first locating plate, the last fixed surface of second locating plate installed a connecting rod seat, connecting rod detachably fixes on the connecting rod seat, the preceding terminal surface of the first locating plate of axial perpendicular to of connecting rod, and a percentage table fixing base is installed perpendicularly to the preceding tip of connecting rod, and the measuring stick of percentage table passes the percentage table fixing base perpendicularly from the rear end face of percentage table fixing base and with percentage table fixing base fixed connection, and the distance that the preceding tip of connecting rod stretches out the preceding terminal surface of percentage table fixing base forms the interference with the contact removal formation of percentage table not as the limit. Its simple structure easily dismouting, also portable to the interval of connecting rod and axle two is adjustable, with the depth of parallelism measurement requirement of the parallel axis in the different clearances of adaptation, has realized the accurate measurement and the calibration of the depth of parallelism between two parallel axes.

Description

Parallelism measuring tool

Technical Field

The utility model relates to a detection device especially relates to a parallelism measurement tool.

Background

The winding and unwinding mechanism is widely applied to the industries of lithium battery, papermaking, soft package, metal material belt rolling and the like. As is known, the winding of the material belt is irregular, which affects the product quality and even causes the winding belt to be wasted, and whether the material belt can keep high-precision linear motion or not, and finally the material belt is wound neatly, which has a great relationship with the processing and mounting precision (parallelism) of two mutually parallel cylinders (shafts, rollers, cylinders, rods, etc., hereinafter referred to as shafts) such as the rollers, the mandrels, etc., on the winding and unwinding mechanism. The parallelism of two shafts is usually measured by using a caliper as a measuring tool and measuring the wheelbase at two ends of the two shafts through the caliper, so as to calculate the parallelism of the two shafts. The measuring tool can only be used for measuring the parallelism of two shafts with short wheelbase due to the limitation of the measuring range of the measuring tool, and cannot be used for measuring the parallelism of two shafts with long wheelbase.

Disclosure of Invention

An object of the utility model is to provide a parallelism measurement tool.

Realize the utility model discloses the technical scheme of purpose is: the utility model provides a parallelism measurement tool, its includes first locating plate, second locating plate, connecting rod and percentage table, first locating plate vertically sets up, and on the preceding terminal surface of second locating plate vertical fixation in first locating plate, the last fixed surface of second locating plate installed a connecting rod seat, connecting rod detachably fixes on the connecting rod seat, the axial perpendicular to first locating plate's of connecting rod preceding terminal surface, and a percentage table fixing base is installed perpendicularly to the preceding tip of connecting rod, and the measuring stick of percentage table passes the percentage table fixing base perpendicularly from the rear end face of percentage table fixing base and with percentage table fixing base fixed connection, and the distance that the preceding tip of connecting rod stretches out the preceding terminal surface of percentage table fixing base forms the interference with the contact removal formation of percentage table not as the limit.

Furthermore, the horizontal distance between the front end face of the second positioning plate and the front end face of the first positioning plate and the vertical distance between the lower end face of the first positioning plate and the lower end face of the second positioning plate are both longer than the radius of the shaft to be detected, which abuts against the first positioning plate and the second positioning plate, so that the shaft to be detected can rotate around the shaft to be detected.

Furthermore, the connecting rod activity is worn to locate in the connecting rod seat, and the rear end portion of connecting rod passes first locating plate and can dismantle with first locating plate and be connected.

Further, the pole body of connecting rod is cylindrical, first arc recess has been seted up to the upper surface of second locating plate, and the second arc recess that link up the connecting rod seat front and back end is seted up to the lower terminal surface of connecting rod seat, and synthetic connecting rod's accommodation space is enclosed to first arc recess and second arc recess, the connecting rod passes second arc recess and inlays in first arc recess, and the rear end portion of connecting rod passes first locating plate and can dismantle with first locating plate and be connected.

Furthermore, a jackscrew hole is formed in the top of the first positioning plate, and the connecting rod is fixedly connected with the first positioning plate through a jackscrew which is spirally arranged in the jackscrew hole. The parallelism measuring work has the most compact structure and high stability.

Further, the length of the connecting rod is adjustable.

The utility model discloses the depth of parallelism measurement frock of realizing can be used to the depth of parallelism between the two parallel shafts and measures, and it has the advantage that the structure is simple, easily dismouting and convenient to carry, and the detachable construction of connecting rod and connecting rod seat makes the connecting rod can the back-and-forth movement to realize the interval adjustment of connecting rod and axle two, with the depth of parallelism measurement requirement in the parallel shaft in the different clearances of adaptation, realized the accurate measurement and the calibration of the depth of parallelism between two parallel shafts.

Drawings

Fig. 1 is a schematic structural view of a parallelism measuring tool according to an embodiment of the present invention;

fig. 2 is a schematic top view of the parallelism measuring tool according to the embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of the first positioning plate, the second positioning plate and the connecting rod seat according to the embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 3, a parallelism measuring tool includes a first positioning plate 1, a second positioning plate 2, a connecting rod 3, and a dial indicator 4, wherein the first positioning plate 1 is longitudinally arranged, the second positioning plate 2 is vertically fixed on a front end surface of the first positioning plate 1, and both a horizontal distance a between a front end surface 21 of the second positioning plate 2 and a front end surface 11 of the first positioning plate 1 and a vertical distance B between a lower end surface 12 of the first positioning plate 1 and a lower end surface 22 of the second positioning plate 2 are longer than a radius of a first shaft to be detected 10; a connecting rod seat 5 is fixedly installed on the upper surface of the second positioning plate 2, a rod body of the connecting rod 3 is formed by sequentially connecting and splicing a plurality of sections of cylindrical connecting rods in a threaded manner, a first arc-shaped groove 231 is formed in the upper surface 23 of the second positioning plate 2, a second arc-shaped groove 51 penetrating through the front end and the rear end of the connecting rod seat 5 is formed in the lower end surface of the connecting rod seat 5, an accommodating space of the connecting rod is defined by the first arc-shaped groove 231 and the second arc-shaped groove 51, the connecting rod 3 penetrates through the second arc-shaped groove 51 and is embedded in the first arc-shaped groove 231, the rear end part 31 of the connecting rod penetrates through the first positioning plate 1, a jackscrew hole 13 is formed in the top of the first positioning plate 1, and the connecting rod 3 is fixedly connected with the first positioning plate 1 through a; a percentage table fixing base 6 is installed perpendicularly to the front end 32 of connecting rod 3, and the test rod 41 of percentage table 4 passes percentage table fixing base 6 perpendicularly and with percentage table fixing base 6 fixed connection from the rear end face of percentage table fixing base 6, and the distance that the front end 32 of connecting rod stretches out the preceding terminal surface 61 of percentage table fixing base 6 is with the removal formation interference of the contact 42 of not percentage table as the limit.

The working principle of the parallelism measuring tool is as follows:

1) before measurement, the first positioning plate 1 and the second positioning plate 2 are abutted against the surface of the first shaft 10, the first positioning plate 1 is positioned on one side far away from the second shaft 20, and at the moment, the contact 42 of the dial indicator 4 is in contact with the surface of the second shaft 20;

2) the first positioning plate 1 and the second positioning plate 2 rotate along the circumferential direction of the first shaft 10 in a manner of clinging to the surface of the first shaft 10, and at the moment, the contact 42 of the dial indicator 4 can slide along the surface of the second shaft 20, so that the minimum value delta 1 of the variation is found;

3) the first positioning plate 1 and the second positioning plate 2 slide to the other position along the axial direction of the first shaft, the first positioning plate 1 rotates around the circumferential direction of the first shaft 10 from the side, far away from the second shaft 20, of the surface of the first shaft, and the minimum value delta 2 of the variation of the dial indicator 4 is measured;

4) if Δ 1 and Δ 2 are the same, they are parallel.

Because the position of change minimum is the shortest department of axle one and axle two horizontal distance promptly, so use the depth of parallelism measurement frock can realize the quick measurement of diaxon depth of parallelism to can guarantee the accuracy of depth of parallelism measurement.

The structure of the dial indicator of the utility model is the prior art, and the clamping and fixing structure of the dial indicator and the dial indicator seat is also the conventional fixing structure in the mechanical field, and the details are not repeated herein; the first positioning plate and the second positioning plate can be in threaded connection and can also be welded and fixed when the first positioning plate and the second positioning plate are alloy plates, and the fixing mode is a conventional connection mode in the mechanical field and is not described in detail herein; the space enclosed by the first positioning plate and the second positioning plate is limited by the fact that the first positioning plate and the second positioning plate can rotate around a shaft after the first positioning plate and the second positioning plate abut against the surface of the shaft to be detected, and when the horizontal distance between the front end of the second positioning plate and the front end face of the first positioning plate and the vertical distance between the lower end of the first positioning plate and the lower end face of the second positioning plate are both longer than the radius of the shaft to be detected, initial position positioning is facilitated; the fixing structure of the connecting rod is not limited to the embodiment, and those skilled in the art can understand that the connecting rod can also be directly fixed on the connecting rod seat through a jackscrew, or fixed through a bolt after being clamped on the connecting rod seat, as long as a front-back moving space exists after the connecting rod is installed, but the installation structure penetrating through the first positioning plate is the most compact in the embodiment; the connecting rod can also be in threaded connection with the first positioning plate, but the length of the connecting rod is more flexibly adjusted in a jackscrew fixing mode, the adjusting space is larger, and the connecting rod is easier to process; the connecting rod can be a telescopic rod or formed by splicing a plurality of sections of connecting rods which are sequentially in threaded connection, so that the length of the connecting rod can be adjusted as required; the distance that the front end portion of connecting rod stretches out the preceding terminal surface of percentage table fixing base can be 0.

The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.

Claims

1. The utility model provides a parallelism measurement tool which characterized in that: it includes first locating plate, second locating plate, connecting rod and percentage table, first locating plate vertically sets up, and on the preceding terminal surface of second locating plate vertical fixation in first locating plate, the last fixed surface of second locating plate installed a connecting rod seat, connecting rod detachably fixes on the connecting rod seat, the preceding terminal surface of the first locating plate of axial perpendicular to of connecting rod, a percentage table fixing base is installed perpendicularly to the preceding tip of connecting rod, and the measuring stick of percentage table passes the percentage table fixing base perpendicularly from the rear end face of percentage table fixing base and with percentage table fixing base fixed connection, and the distance that the preceding tip of connecting rod stretches out the preceding terminal surface of percentage table fixing base is used not to form the interference to the contact removal of percentage table as the limit.

2. The parallelism measuring tool according to claim 1, characterized in that: the horizontal distance between the front end face of the second positioning plate and the front end face of the first positioning plate and the vertical distance between the lower end face of the first positioning plate and the lower end face of the second positioning plate are both longer than the radius of the shaft to be detected, which is abutted against the first positioning plate and the second positioning plate.

3. The parallelism measuring tool according to claim 1, characterized in that: the connecting rod activity is worn to locate in the connecting rod seat, and the rear end portion of connecting rod passes first locating plate and can dismantle with first locating plate and be connected.

4. The parallelism measuring tool according to claim 3, characterized in that: the pole body of connecting rod is cylindrical, first arc recess has been seted up to the upper surface of second locating plate, and the second arc recess that link up the connecting rod seat front and back end is seted up to the lower terminal surface of connecting rod seat, and synthetic connecting rod's accommodation space is enclosed to first arc recess and second arc recess, the connecting rod passes second arc recess and inlays in first arc recess.

5. The parallelism measuring tool according to claim 3, characterized in that: the top of the first positioning plate is provided with a jackscrew hole, and the connecting rod is fixedly connected with the first positioning plate through a jackscrew which is arranged in the jackscrew hole in a rotating mode.

6. The parallelism measuring tool according to claim 1, characterized in that: the length of the connecting rod is adjustable.