CN213714204U - Novel large square cable diameter measuring device - Google Patents
Novel large square cable diameter measuring device Download PDFInfo
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- CN213714204U CN213714204U CN202022629830.4U CN202022629830U CN213714204U CN 213714204 U CN213714204 U CN 213714204U CN 202022629830 U CN202022629830 U CN 202022629830U CN 213714204 U CN213714204 U CN 213714204U
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Abstract
A novel large square cable diameter measuring device comprises at least three groups of single-shaft diameter measuring mechanisms, wherein each single-shaft diameter measuring mechanism comprises a base, a pair of roller telescopic structures are symmetrically arranged on two sides of an upper opening of each base, and each roller telescopic structure comprises a pressing roller, a roller bracket, a spring and a sliding base; the pressing roller is rotatably assembled at the front end of the roller bracket, the rear end of the roller bracket is connected with a guide rod, the guide rod is in sliding fit with a sliding base, and the sliding base is fixedly arranged on the base to form telescopic sliding of the pressing roller relative to the opening on the base; the spring is positioned in the sliding base, the front end of the spring acts on the roller wheel bracket, and the rear end of the spring acts on the sliding base to form a pressing roller wheel which keeps the extending trend through the spring; a displacement sensor is arranged on the base corresponding to the roller telescopic structure, and the testing end of the displacement sensor acts on the roller bracket; the single-shaft diameter measuring mechanisms are distributed around the center of the cross section of the cable to be measured at equal angles. The utility model discloses simple structure, with low costs need not arrange the cable in the middle of the frock and detect, and detect the accuracy.
Description
Technical Field
The utility model relates to a cable industry technical field, concretely relates to novel big square cable diameter measuring device.
Background
In the extrusion and packaging process of large square (large diameter) cables, special large-specification laser diameter measuring instruments are required to be purchased for diameter measuring operation of cable products with the outer diameter exceeding 60mm, the cost of a single instrument is usually more than 8 ten thousand yuan of RMB, and in order to ensure the accuracy of the detection of the outer diameter of the products, a plurality of diameter measuring instruments are generally required to be simultaneously measured from multiple angles, so that a plurality of instruments are required to be purchased, and the cost is huge. For the packaging process, the cost of such detection equipment is far greater than the cost of the packaging machine itself, increasing the cost of the enterprise.
Secondly, in the diameter measuring process of a general non-contact diameter measuring instrument, once the cable shakes and is not located at the measuring center of the diameter measuring instrument, the diameter measuring instrument can not measure the outer diameter of a product easily, and false alarm or product quality accidents are caused.
By combining the two descriptions, the cost of using the non-contact laser diameter measuring instrument is too high in the process of extruding or packaging the large-square cable with the outer diameter of more than 60mm, the requirement on the position of the cable is high, and the detection effect is poor.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The utility model aims at providing a novel big square cable diameter measuring device.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a novel large square cable diameter measuring device comprises at least three groups of single-shaft diameter measuring mechanisms, wherein each single-shaft diameter measuring mechanism comprises a base, the middle part of the base is provided with an opening, and the opening is used for allowing a cable to be measured to penetrate through;
a pair of roller wheel telescopic structures are symmetrically arranged on the base at two sides of the opening, and each roller wheel telescopic structure comprises a pressing roller wheel, a roller wheel bracket, a spring and a sliding base;
the pressing roller wheel is arranged corresponding to the opening, is rotatably assembled at the front end of the roller wheel bracket and is pressed against the outer wall of the cable to be tested in the opening during testing; the rear end of the roller wheel bracket is connected with a guide rod, the length direction of the guide rod is parallel to the radial direction of the cable to be tested and is in sliding fit with the sliding base, the sliding base is fixedly arranged on the base, and the pressing roller wheel is formed to perform telescopic sliding relative to the opening on the base along the radial direction of the cable to be tested;
the spring is positioned in the sliding base and corresponds to the radial direction of the cable to be tested in the length direction; the front end of the spring acts on the roller wheel bracket, and the rear end of the spring acts on the sliding base to form a tendency that the pressing roller wheel extends out towards the opening through the spring, so that the outer wall of the cable to be tested is pressed and attached during testing;
the base is also provided with a displacement sensor corresponding to the roller wheel telescopic structure, the displacement sensor is fixed relative to the base, and the testing end of the displacement sensor acts on the roller wheel bracket;
the single-shaft diameter measuring mechanisms are sequentially arranged from front to back along the length direction of the cable to be measured and are distributed in an equiangular mode around the center of the cross section of the cable to be measured.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, the single-shaft diameter measuring mechanisms are three groups, and each group of the single-shaft diameter measuring mechanisms forms an included angle of 60 degrees, is perpendicular to the cable to be measured and is used for detecting the outer diameter of the cable from different angles.
2. In the above scheme, a pressure adjusting screw is further arranged in the sliding base corresponding to the spring, and the front end of the pressure adjusting screw abuts against the rear end of the spring;
the pressure adjusting screw is in threaded fit with the sliding base to form a structure with adjustable front and back positions.
3. In the scheme, the displacement sensors in each group of single-axis diameter measuring mechanisms are electrically connected with an upper computer, so that the measured position value is compared with the initial position value to obtain a displacement value, and the displacement value is converted into the diameter of the cable. The specific calculation method can be the prior art, and is not detailed in the present application since it is not a point of the present application.
The utility model discloses a theory of operation and advantage as follows:
a novel large square cable diameter measuring device comprises at least three groups of single-shaft diameter measuring mechanisms, wherein each single-shaft diameter measuring mechanism comprises a base, a pair of roller telescopic structures are symmetrically arranged on two sides of an upper opening of each base, and each roller telescopic structure comprises a pressing roller, a roller bracket, a spring and a sliding base; the pressing roller is rotatably assembled at the front end of the roller bracket, the rear end of the roller bracket is connected with a guide rod, the guide rod is in sliding fit with a sliding base, and the sliding base is fixedly arranged on the base to form telescopic sliding of the pressing roller relative to the opening on the base; the spring is positioned in the sliding base, the front end of the spring acts on the roller wheel bracket, and the rear end of the spring acts on the sliding base to form a pressing roller wheel which keeps a trend of extending out through the spring; a displacement sensor is arranged on the base corresponding to the roller telescopic structure, and the testing end of the displacement sensor acts on the roller bracket; the single-shaft diameter measuring mechanisms are distributed around the center of the cross section of the cable to be measured at equal angles.
Compared with the prior art, the utility model discloses utilize two sets of displacement sensor and adjustable spring, guarantee that big square cable is certain at the difference sum that measurement in-process displacement changes to in succession through three at least groups same and the different unipolar diameter measuring mechanism of angle, guarantee the average external diameter accuracy among the measurement, and need not arrange the cable in the middle of the frock specially, thereby prevent the alert production of wrong report, guaranteed product detection quality. The utility model discloses simple structure, with low costs, be fit for the big square cable of medium and small enterprise production especially the detection of the big square cable of external diameter more than 60 mm.
Drawings
Fig. 1 is a schematic structural diagram of a single-shaft diameter measuring mechanism according to an embodiment of the present invention;
fig. 2 is a reference diagram of a usage status of the embodiment of the present invention.
In the above drawings: 1. a base; 2. an opening; 3. a cable; 4. a pressing roller; 5. a roller bracket; 6. a spring; 7. a slide base; 8. a guide bar; 9. a pressure adjusting screw; 10. and a displacement sensor.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.
As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.
As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.
As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.
The terms "front" and "rear" used herein are directional terms, and are used only for describing the positional relationship between the structures, and are not intended to limit the protection schemes and the actual implementation directions.
Referring to the attached drawings 1 and 2, the novel large square cable diameter measuring device comprises at least three groups of single-shaft diameter measuring mechanisms, each single-shaft diameter measuring mechanism comprises a base 1, an opening 2 is formed in the middle of the base 1, and the opening 2 is used for allowing a cable 3 to be measured to penetrate through.
The base 1 on in the both sides symmetrical arrangement of opening 2 has a pair of running roller extending structure, running roller extending structure is including compressing tightly running roller 4, running roller support 5, spring 6 and sliding base 7.
The pressing roller 4 is arranged corresponding to the opening 2, the pressing roller 4 is rotatably assembled at the front end of the roller bracket 5, and is pressed against the outer wall of the cable 3 to be tested in the opening 2 during testing; the rear end of the roller wheel bracket 5 is provided with a guide rod 8, the guide rod 8 is parallel to the radial direction of the cable 3 to be tested in the length direction and is in sliding fit with the sliding base 7, the sliding base 7 is fixedly arranged on the base 1, and the compressing roller wheel 4 is formed in the base 1 and slides in a telescopic mode relative to the opening 2 along the radial direction of the cable 3 to be tested.
The spring 6 is positioned in the sliding base 7 and corresponds to the radial direction of the cable 3 to be tested in the length direction; the front end of the spring 6 directly or indirectly acts on the rear end of the roller wheel bracket 5, and the rear end of the spring 6 directly or indirectly acts on the sliding base 7 to form the pressing roller wheel 4 which keeps a trend towards the opening 2, so that the outer wall of the cable 3 to be tested is pressed and attached during testing.
During diameter measurement, the pressing roller 4 is directly contacted with the surface of the cable 3, and the reaction force exerted by the cable 3 overcomes the tension of the spring 6 to generate displacement.
A pressure adjusting screw 9 is further arranged in the sliding base 7 corresponding to the spring 6, and the front end of the pressure adjusting screw 9 abuts against the rear end of the spring 6; the pressure adjusting screw 9 is in threaded fit with the sliding base 7 to form a structure with adjustable front and back positions; the tension of the spring 6 is adjusted by adjusting the front and rear positions of the pressure adjusting screw 9, so that the pressing force of the roller bracket 5 on the cable 3 to be detected is adjusted.
The base 1 is provided with a displacement sensor 10 corresponding to the roller telescopic structure, the displacement sensor 10 is fixed relative to the base 1, and the testing end of the displacement sensor acts on the roller bracket 5.
During diameter measurement, the two opposite side portions of the cable 3 in the diameter direction are simultaneously pressed by the pair of symmetrical pressing rollers 4, and the retraction stroke data of the roller bracket 5 corresponding to the pressing rollers are simultaneously collected from two directions through the displacement sensors 10 on the two sides.
The single-shaft diameter measuring mechanisms are sequentially arranged from front to back along the length direction of the cable 3 to be measured and are distributed around the center of the cross section of the cable 3 to be measured at equal angles. For example, the unipolar caliper measuring mechanism can be three groups, each other becomes 60 contained angles to all keep perpendicular with the cable 3 that awaits measuring, be used for following different angles and detect the external diameter of cable 3, and then guaranteed that the external diameter of big square cable 3 is accurate enough in the measured value that obtains at the same moment, reduce the error of unipolar measurement.
The utility model discloses a diameter measuring method includes:
the displacement sensors in each group of single-axis diameter measuring mechanisms are electrically connected with an upper computer, so that the measured position value is compared with the initial position value to obtain a displacement value, and the displacement value is converted into the diameter of the cable. The specific calculation method can be the prior art, and is not detailed in the present application since it is not a point of the present application. And the upper computer obtains the outer diameter value of the cable to be measured by calculating the average value of the outer diameters measured by the single-shaft diameter measuring mechanisms. The upper computer is a Programmable Logic Controller (PLC) and can also be other upper processing equipment such as a Personal Computer (PC) and the like.
To sum up, the utility model discloses in each group's unipolar diameter measuring mechanism displacement sensor all links to each other with the analog input module of an host computer. And detecting the voltage signal change caused by the displacement of the roller wheel bracket, enabling the voltage signal change to be equal to the position signal change through the internal digital-to-analog conversion of the upper computer, and comparing the voltage signal change with the initial position value to obtain a displacement value. Because displacement sensors are arranged on two sides of the mechanism to detect displacement change, the upper computer can calculate the outer diameter value only by calculating the change values of two voltage signals and multiplying the change values by the displacement value corresponding to the unit voltage regardless of the displacement direction, a cable does not need to pass through the center of the whole mechanism, and the cable can shake freely within the range of the roller.
Compared with the prior art, the utility model discloses utilize two sets of displacement sensor and adjustable spring, guarantee that big square cable is certain at the difference sum that measurement in-process displacement changes to in succession through three at least groups same and the different unipolar diameter measuring mechanism of angle, guarantee the average external diameter accuracy among the measurement, and need not arrange the cable in the middle of the frock specially, thereby prevent the alert production of wrong report, guaranteed product detection quality. The utility model discloses simple structure, with low costs, be fit for the big square cable of medium and small enterprise production especially the detection of the big square cable of external diameter more than 60 mm.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. The utility model provides a novel big square cable diameter measuring device which characterized in that:
the device comprises at least three groups of single-shaft diameter measuring mechanisms, wherein each single-shaft diameter measuring mechanism comprises a base, the middle part of the base is provided with an opening, and the opening is used for penetrating a cable to be measured;
a pair of roller wheel telescopic structures are symmetrically arranged on the base at two sides of the opening, and each roller wheel telescopic structure comprises a pressing roller wheel, a roller wheel bracket, a spring and a sliding base;
the pressing roller wheel is arranged corresponding to the opening, is rotatably assembled at the front end of the roller wheel bracket and is pressed against the outer wall of the cable to be tested in the opening during testing; the rear end of the roller wheel bracket is connected with a guide rod, the length direction of the guide rod is parallel to the radial direction of the cable to be tested and is in sliding fit with the sliding base, the sliding base is fixedly arranged on the base, and the pressing roller wheel is formed to perform telescopic sliding relative to the opening on the base along the radial direction of the cable to be tested;
the spring is positioned in the sliding base and corresponds to the radial direction of the cable to be tested in the length direction; the front end of the spring acts on the roller wheel bracket, and the rear end of the spring acts on the sliding base to form a tendency that the pressing roller wheel extends out towards the opening through the spring, so that the outer wall of the cable to be tested is pressed and attached during testing;
the base is also provided with a displacement sensor corresponding to the roller wheel telescopic structure, the displacement sensor is fixed relative to the base, and the testing end of the displacement sensor acts on the roller wheel bracket;
the single-shaft diameter measuring mechanisms are sequentially arranged from front to back along the length direction of the cable to be measured and are distributed in an equiangular mode around the center of the cross section of the cable to be measured.
2. The novel large square cable diameter measuring device according to claim 1, characterized in that: the single-shaft diameter measuring mechanisms are three groups, form 60-degree included angles with each other, are perpendicular to the cable to be measured and are used for detecting the outer diameter of the cable from different angles.
3. The novel large square cable diameter measuring device according to claim 1, characterized in that: a pressure adjusting screw is arranged in the sliding base corresponding to the spring, and the front end of the pressure adjusting screw abuts against the rear end of the spring;
the pressure adjusting screw is in threaded fit with the sliding base to form a structure with adjustable front and back positions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022629830.4U CN213714204U (en) | 2020-11-14 | 2020-11-14 | Novel large square cable diameter measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022629830.4U CN213714204U (en) | 2020-11-14 | 2020-11-14 | Novel large square cable diameter measuring device |
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| CN213714204U true CN213714204U (en) | 2021-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655086A (en) * | 2022-12-27 | 2023-01-31 | 北京智网物联科技有限公司 | Cable diameter measuring mechanism and cable running gear with same |
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2020
- 2020-11-14 CN CN202022629830.4U patent/CN213714204U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655086A (en) * | 2022-12-27 | 2023-01-31 | 北京智网物联科技有限公司 | Cable diameter measuring mechanism and cable running gear with same |
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