CN212409563U

CN212409563U - Correction-free high-precision meter measuring device

Info

Publication number: CN212409563U
Application number: CN202021554908.4U
Authority: CN
Inventors: 杨琼
Original assignee: Hefei Tianqin Mechanical And Electrical Co ltd
Current assignee: Hefei Tianqin Mechanical And Electrical Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-01-26
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a correction-free high-precision metering device, belonging to the technical field of cable metering equipment; the lower side of the lifting plate is provided with a lower plate, the left and right ends of the front sides of the lifting plate and the lower plate are fixedly connected with shaft supporting pieces, rotating shafts are respectively inserted into the two shaft supporting pieces at the upper side and the shaft supporting pieces at the right and lower sides, the front ends of the rotating shafts are fixedly connected with chain wheels, the chain wheels at the left and right ends are meshed with a bent plate chain, the left side of the bent plate chain at the lower side is meshed with a meter-counting chain wheel, a meter-counting shaft is inserted in the center of the meter-counting chain wheel, the rear end of the meter-counting shaft is fixedly connected with an encoder, a group of supporting plates are wound on the periphery of the bent plate chain, the front side of the lifting plate and the front side of the lower plate are fixedly connected with supporting shafts, the front and rear ends of the supporting shafts are respectively sleeved with supporting plates, the measured cable and the chain can be ensured to be always, low manufacturing cost and the like.

Description

Correction-free high-precision meter measuring device

Technical Field

The utility model relates to a cable measuring equipment technical field, concretely relates to there is not high accuracy meter rice device of revising.

Background

At present, a metering device used by cable manufacturers at home and abroad is roughly divided into a wheel type and a belt wheel type, the length of a cable is converted by the diameter of the metering wheel and the number of turns of rotation, in the wheel type metering device, firstly, as the excircle surface of the metering wheel is contacted with the cable for a long time, abrasion is generated, and the excircle surface diameter of the abraded metering wheel is smaller than that of the worn metering wheel, a metering error is generated; secondly, because the metering wheel and the cable are in point contact, when the cable made of softer material is measured, the cable is pressed by the metering wheel, the original circular section shape is flattened, the elastic deformation is generated at the contact point of the measured cable and the metering wheel, and the metering precision is also seriously influenced. In the belt wheel type meter counting device, the length of a measured cable is calculated by using the circumference of the outer ring of the annular traction belt in contact with the cable, the annular traction belt has thickness, the circumference of any point on the belt thickness is different, the circumference of the annular traction belt is shorter as the annular traction belt is closer to the inner ring, when the outer ring of the annular traction belt in long-term contact with the cable is abraded, the circumference of the abraded annular traction belt is smaller than the circumference of the annular traction belt before abrasion, and meter counting errors are generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design, convenient to use's no correction high accuracy meter rice device, not only eliminated and arouse measuring error because of the wear of meter rice wheel (area), also avoided simultaneously by survey cable arouse measuring error because of reasons such as diameter size, material soft or hard, cross sectional shape, guaranteed long-term high accuracy measurement.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a lifting plate, a shaft supporting piece, a rotating shaft, chain wheels, bent plate chains, supporting plates, supporting shafts, supporting plates, shafts, bearings, a lower plate, a meter-counting shaft, a meter-counting chain wheel and an encoder, wherein the lower plate is arranged at the lower side of the lifting plate, the left end and the right end of the front sides of the lifting plate and the lower plate are respectively fixedly connected with the shaft supporting piece, the rotating shafts are respectively inserted into the two shaft supporting pieces at the upper side and the shaft supporting piece at the lower right side, the chain wheels are respectively fixedly connected with the front ends of the rotating shafts, the chain wheels at the left end and the right end are respectively meshed with the bent plate chains, the upper bent plate chain and the lower bent plate chain are arranged in the same vertical plane, the meter-counting chain wheel is meshed in the left side of the bent plate chain at the lower side, the meter-counting shaft is inserted in the center of the meter-counting chain wheel, the front end and the rear end of the supporting shaft are respectively sleeved with a supporting plate, a group of bearings are respectively and fixedly connected to the supporting plates at the front end and the rear end through shafts, and the outer ring walls of the bearings at the upper side and the lower side are respectively in contact with the supporting plates at the upper side and the lower side.

After the structure is adopted, the beneficial effects of the utility model are that:

1. the lower side of the measured cable is supported by a supporting plate additionally arranged on the bent plate chain, and when the bent plate chain is unfolded, the perimeter of the outer ring and the perimeter of the inner ring of the bent plate chain are equal to the perimeter of the pitch line, so that the measuring precision cannot be influenced even the supporting plate is abraded, and the high precision of long-term measurement is ensured;

2. the measured cable is clamped in a group of straight channels formed by the upper side supporting plate and the lower side supporting plate, so that the measured cable and the bent plate chain can be always kept synchronous, the relative displacement between the measured cable and the supporting plates due to the reasons of diameter, hardness and material, section shape and the like is avoided, and the measurement precision is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 1.

Description of reference numerals:

lifting plate 1, shaft support 2, pivot 3, sprocket 4, bent plate chain 5, layer board 6, back shaft 7, backup pad 8, axle 9, bearing 10, lower plate 11, meter axle 12, meter sprocket 13, encoder 14.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the device comprises a lifting plate 1, a shaft supporting piece 2, a rotating shaft 3, chain wheels 4, bent plate chains 5, supporting plates 6, a supporting shaft 7, a supporting plate 8, a shaft 9, a bearing 10, a lower plate 11, a meter-counting shaft 12, a meter-counting chain wheel 13 and an encoder 14, wherein the lower plate 11 is arranged at the lower side of the lifting plate 1, the left end and the right end of the front sides of the lifting plate 1 and the lower plate 11 are respectively fixedly connected with the shaft supporting piece 2, the rotating shaft 3 is respectively inserted into the two shaft supporting pieces 2 at the upper side and the shaft supporting piece 2 at the lower right side, the chain wheel 4 is fixedly connected at the front end of the rotating shaft 3, the chain wheels 4 at the left end and the right end are respectively meshed with the bent plate chains 5, the upper bent plate chains 5 and the lower bent plate chains 5 are arranged in the same vertical plane, the meter-counting chain wheel 13 is arranged in the meshing manner in the left side of the bent plate chains 5, the meter-counting, the front side of the lifting plate 1 and the front side of the lower plate 11 are fixedly connected with supporting shafts 7, the front end and the rear end of each supporting shaft 7 are respectively sleeved with a supporting plate 8, a group of bearings 10 are respectively fixedly connected to the supporting plates 8 at the front end and the rear end through shafts 9, and the outer ring walls of the bearings 10 at the upper side and the lower side are respectively in contact with the supporting plates 6 at the upper side and the lower side.

The working principle of the specific embodiment is as follows: the upper assembly consisting of the lifting plate 1, the upper shaft support part 2, the upper rotating shaft 3, the upper chain wheel 4, the upper bending plate chain 5, the upper supporting plate 6, the upper supporting shaft 7, the upper supporting plate 8, the upper shaft 9 and the upper bearing 10 penetrates through the cable to be measured from left to right, is placed on a plane consisting of the lower supporting plate 6, descends to press the cable to be measured on the lower supporting plate 6, because the upper group of bearings 10 are pressed on the upper part of the upper group of supporting plates 6 and the lower group of bearings 10 are pressed on the lower part of the lower group of supporting plates 6, the cable is clamped in a group of straight channels consisting of the upper supporting plate 6 and the lower group of supporting plates 6, at the moment, the cable to be measured is pulled to move rightwards, and the bending plate chain 5 and the cable to be measured are driven to move rightwards synchronously through the friction force between the cable to be measured and the supporting plates 6, and then drive meter rice sprocket 13 and revolve, know meter rice sprocket 13 pitch circle diameter, through the encoder 14 of the rigid coupling with meter rice axle 12 to the detection of meter rice sprocket 13 number of turns, and rethread PLC's calculation can obtain the length of being surveyed the cable.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the lower side of the measured cable is supported by a supporting plate 6 additionally arranged on the bent plate chain 5, and when the bent plate chain 5 is unfolded, the perimeter of the outer ring and the perimeter of the inner ring of the bent plate chain 5 are both equal to the perimeter of the pitch line, so that the measuring precision cannot be influenced even if the supporting plate 6 is abraded, and the high precision of long-term measurement is ensured;

2. the measured cable is clamped in a group of straight channels formed by the upper side supporting plate 6 and the lower side supporting plate 6, so that the measured cable and the bent plate chain 5 can be always kept synchronous, the relative displacement between the measured cable and the supporting plates 6 due to the reasons of diameter, hardness and material, cross section shape and the like is avoided, and the measurement precision is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A correction-free high-precision meter measuring device is characterized in that: the device comprises a lifting plate (1), a shaft supporting part (2), a rotating shaft (3), chain wheels (4), bent plate chains (5), a supporting plate (6), a supporting shaft (7), a supporting plate (8), a shaft (9), a bearing (10), a lower plate (11), a meter-counting shaft (12), a meter-counting chain wheel (13) and an encoder (14), wherein the lower plate (11) is arranged on the lower side of the lifting plate (1), the left end and the right end of the front sides of the lifting plate (1) and the lower plate (11) are respectively fixedly connected with a shaft supporting part (2), the rotating shaft (3) is respectively inserted into the two shaft supporting parts (2) on the upper side and the shaft supporting part (2) on the right lower side, the chain wheels (4) on the left end and the right end are respectively meshed with the bent plate chains (5), the upper bent plate chains (5) and the lower bent plate chains (5) are arranged in the same vertical plane, the meter-counting chain wheel (13) is, meter rice axle (12) are equipped with in the center interpolation of meter rice sprocket (13), the rear end and encoder (14) rigid coupling of meter rice axle (12), all around being equipped with a set of layer board (6) on the periphery of bent plate chain (5), the equal rigid coupling in front side of lifter plate (1) and the front side of hypoplastron (11) has back shaft (7), both ends are overlapped respectively around back shaft (7) are equipped with backup pad (8), a set of bearing (10) are through axle (9) rigid coupling respectively in backup pad (8) at both ends around, the outer rampart of bearing (10) of upper and lower both sides contacts the setting with layer board (6) of upper and lower both sides respectively.