CN212314771U - Chain extension monitoring devices and long-pending formula conveyer of putting - Google Patents
Chain extension monitoring devices and long-pending formula conveyer of putting Download PDFInfo
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- CN212314771U CN212314771U CN202020410822.8U CN202020410822U CN212314771U CN 212314771 U CN212314771 U CN 212314771U CN 202020410822 U CN202020410822 U CN 202020410822U CN 212314771 U CN212314771 U CN 212314771U
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Abstract
The utility model discloses a chain elongation monitoring device and a power and free conveyor, which comprises a fixed shaft; the tensioning shaft is in transmission with the fixed shaft through a chain; the tensioning mechanism is connected with the tensioning shaft to provide acting force for tensioning the chain; monitoring mechanism, including photoelectric switch and coding chi, photoelectric switch or the coding chi can follow tensioning axle is along tensioning direction synchronous motion, the coding chi along the tensioning direction be equipped with a plurality of with photoelectric switch complex groove. When the chain is stretched, the coding ruler can move relative to the photoelectric switch, the photoelectric switch and the groove are matched for alternating ON/OFF in the moving process, and the stretching amount of the chain can be determined through the times of the alternating ON/OFF so as to inform an equipment maintenance person that the chain needs to be shortened or the tension of the chain needs to be adjusted as soon as possible. This technical scheme can avoid traditional artifical measuring mode, reduces the cost of labor, carries out preventative maintenance to the chain and provides data, increases chain drive reliability.
Description
Technical Field
The utility model is used for chain drive equipment field especially relates to a chain extension monitoring devices and long-pending formula conveyer of putting.
Background
In an automobile welding workshop, the transmission mode of a plurality of devices is chain transmission, and the chain transmission abrasion can cause the chain to extend; in order to ensure the normal operation of chain transmission, when the chain elongation reaches a certain degree, the chain needs to be shortened or the tension of the chain needs to be adjusted; when the chain elongates beyond 3%, the chain drive fails, at which point the chain must be replaced.
The traditional method is to measure the elongation of the chain by using a tool, then calculate whether the chain needs to be shortened, adjusted and tensioned or replaced, has high labor cost and can not provide data for preventive maintenance of the chain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a chain extension monitoring devices and long-pending formula conveyer of putting, it can avoid traditional artifical measuring method, reduces the cost of labor, carries out preventive maintenance to the chain and provides data, increases the chain drive reliability.
The utility model provides a technical scheme that its technical problem adopted is:
in a first aspect, a chain elongation monitoring device comprises
A fixed shaft;
the tensioning shaft is in transmission with the fixed shaft through a chain;
the tensioning mechanism is connected with the tensioning shaft to provide acting force for tensioning the chain;
monitoring mechanism, including photoelectric switch and coding chi, photoelectric switch or the coding chi can follow tensioning axle is along tensioning direction synchronous motion, the coding chi along the tensioning direction be equipped with a plurality of with photoelectric switch complex groove.
With reference to the first aspect, in certain implementations of the first aspect, a plurality of the grooves are uniformly distributed along the coding scale, and groove widths of the plurality of the grooves are the same.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the code scale has a first edge and a second edge along a tensioning direction, the slots are uniformly distributed along the first edge and the second edge, the slots of the first edge are staggered from the slots of the second edge by half a slot width, and the optoelectronic switch includes a first optoelectronic switch engaged with the first edge and a second optoelectronic switch engaged with the second edge.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the optoelectronic switch includes a trench type optoelectronic switch.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the method further includes
And the guide component is arranged along the tensioning direction, and the tensioning shaft is arranged on the guide component through a bearing sliding seat.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the encoder scale is connected with the bearing slide through an encoder scale mounting seat.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the method further includes
A display screen;
and the photoelectric switch and the display screen are connected with the PLC.
In a second aspect, a power and free conveyor comprises the chain elongation monitoring device of any one of the implementations of the first aspect.
One of the above technical solutions has at least one of the following advantages or beneficial effects: when the chain is stretched, the coding ruler can move relative to the photoelectric switch, the photoelectric switch and the groove are matched for alternating ON/OFF in the moving process, and the stretching amount of the chain can be determined through the times of the alternating ON/OFF so as to inform an equipment maintenance person that the chain needs to be shortened or the tension of the chain needs to be adjusted as soon as possible. This technical scheme can avoid traditional artifical measuring mode, reduces the cost of labor, carries out preventative maintenance to the chain and provides data, increases chain drive reliability.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of the structure of an embodiment of the first aspect of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a side view of the structure of one embodiment shown in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a schematic diagram of a code scale of the embodiment shown in FIG. 1;
FIG. 6 is a diagram of pulses generated by the encoder scale of one embodiment shown in FIG. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, the embodiment of the utility model provides a chain extension monitoring devices is applied to chain drive equipment, and it includes fixed axle 1, tensioning shaft 2, straining device 3 and monitoring mechanism 4, and tensioning shaft 2 passes through chain 5 and fixed axle 1 transmission, and the driven wearing and tearing of chain 5 can arouse chain 5 extension, and straining device 3 is connected with tensioning shaft 2 to the effort that provides tensioning chain 5, tensioning shaft 2 can move along the arrow point direction under straining device 3's effort promptly, tensioning chain 5 when chain 5 extends.
The main structure of the tensioning mechanism 3 is a spring, an air support, etc., for example, in the embodiment shown in fig. 1, the tensioning mechanism 3 is a compressed spring, one end of the compressed spring is fixed, the other end of the compressed spring is connected with the tensioning shaft 2, and the chain 5 is tensioned under the tension of the compressed spring.
The monitoring mechanism 4 is used for monitoring the stretching state of the chain 5 and quantifying the stretching state. Referring to fig. 1 and 2, the monitoring mechanism 4 includes a photoelectric switch 41 and a coding rule 42, the photoelectric switch 41 or the coding rule 42 can move synchronously with the tensioning shaft 2 along the tensioning direction, and the coding rule 42 is provided with a plurality of grooves matched with the photoelectric switch 41 along the tensioning direction. Namely, one of the two parts of the photoelectric switch 41 and the coding ruler 42 moves synchronously along the tensioning direction along with the tensioning shaft 2, the other part is fixed, when the chain 5 extends, the photoelectric switch 41 and the coding ruler 42 move relatively, the photoelectric switch 41 and the groove are matched with each other to be alternately turned ON/OFF in the moving process, and the extension amount of the chain 5 can be determined through the times of the alternate ON/OFF, so that equipment maintenance personnel can be informed of the need of shortening the chain 5 or adjusting the tensioning of the chain 5 as soon as possible. This technical scheme can avoid traditional artifical measuring mode, reduces the cost of labor, carries out preventative maintenance to chain 5 and provides data, increases 5 transmission reliability of chain.
The grooves are arranged according to a certain specification and rule, for example, in the embodiment shown in fig. 1, 2 and 5, in which a plurality of grooves are uniformly distributed along the coding rule 42, and the widths of the plurality of grooves are the same and are all N, the elongation of the chain 5 can be accurately determined according to the widths of the grooves and the number of times of the alternate ON/OFF of the photoelectric switches 41.
In some embodiments, the encoder scale 42 has one or more edges along the tensioning direction, a plurality of slots are distributed along each edge, for example, in the embodiment shown in fig. 4 and 5, the encoder scale 42 is in the shape of a slab, the encoder scale 42 has a first edge and a second edge along the tensioning direction, the top edge of the encoder scale 42 is the first edge, the bottom edge of the encoder scale 42 is the second edge, the slots are uniformly distributed along the first edge and the second edge, the slots of the first edge and the slots of the second edge are staggered by half a slot width N/2, the optoelectronic switch 41 includes a first optoelectronic switch 41 matched with the first edge and a second optoelectronic switch 41 matched with the second edge, that is, the top edge of the encoder scale 42 corresponds to one optical spot switch, the bottom edge of the encoder scale 42 corresponds to one optical spot switch, the pulse signal generated by such an encoder scale 42 is converted into the corresponding movement amount as shown in fig. 6, since the slots of the first edge are staggered from the slots of the second edge by half a slot width of N/2, the amount of movement can define positive and negative, which indicates the direction of movement.
The photoelectric switch 41 can be any type of light spot switch such as a beam-splitting type, a diffuse reflection type, etc., for example, in the embodiments shown in fig. 3 and 4, the photoelectric switch 41 includes a groove-type photoelectric switch, and the code rule 42 is disposed between the grooves of the groove-type photoelectric switch, and the groove-type photoelectric switch can be disposed in 1, 2 or even more.
In some embodiments, referring to fig. 1, the device further includes a guide member 6 for guiding the tensioning shaft 2 to move along the tensioning direction, the guide member 6 may be a guide rail, a guide rod, a guide groove, or the like, the guide member 6 is disposed along the tensioning direction, and the tensioning shaft 2 is mounted on the guide member 6 through a bearing slide 7.
In this embodiment, referring to fig. 1, encoder scale 42 is attached to the bearing carriage by encoder scale mount 43, and opto-electronic switch 41 is secured by opto-electronic switch mount 44.
In some embodiments, the device further comprises a display screen and a PLC, and both the photoelectric switch 41 and the display screen are connected with the PLC. When the chain 5 is stretched, the encoder scale 42 will move relative to the photoelectric switch 41, and the photoelectric switch 41 is turned ON/OFF alternately during the movement, and the movement is displayed ON the display screen after the corresponding pulse signal is generated and processed by the PLC.
An embodiment of the utility model provides a long-pending formula conveyer of putting, including the 5 extension monitoring devices of chain of above arbitrary embodiment.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. A chain elongation monitoring device, characterized by: comprises that
A fixed shaft;
the tensioning shaft is in transmission with the fixed shaft through a chain;
the tensioning mechanism is connected with the tensioning shaft to provide acting force for tensioning the chain;
monitoring mechanism, including photoelectric switch and coding chi, photoelectric switch or the coding chi can follow tensioning axle is along tensioning direction synchronous motion, the coding chi along the tensioning direction be equipped with a plurality of with photoelectric switch complex groove.
2. The chain elongation monitoring device according to claim 1, wherein: the grooves are uniformly distributed along the coding ruler, and the groove widths of the grooves are the same.
3. The chain elongation monitoring device according to claim 2, wherein: the coding ruler is provided with a first edge and a second edge along a tensioning direction, the grooves are uniformly distributed along the first edge and the second edge, the grooves of the first edge and the grooves of the second edge are staggered by half of the groove width, and the photoelectric switch comprises a first photoelectric switch matched with the first edge and a second photoelectric switch matched with the second edge.
4. The chain elongation monitoring device according to claim 1, wherein: the optoelectronic switch comprises a slot optoelectronic switch.
5. The chain elongation monitoring device according to claim 1, wherein: also comprises
And the guide component is arranged along the tensioning direction, and the tensioning shaft is arranged on the guide component through a bearing sliding seat.
6. The chain elongation monitoring device according to claim 5, wherein: the coding ruler is connected with the bearing sliding seat through a coding ruler mounting seat.
7. The chain elongation monitoring device according to claim 1, wherein: also comprises
A display screen;
and the photoelectric switch and the display screen are connected with the PLC.
8. A power and free conveyor is characterized in that: a chain elongation monitoring device comprising the chain as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020410822.8U CN212314771U (en) | 2020-03-26 | 2020-03-26 | Chain extension monitoring devices and long-pending formula conveyer of putting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020410822.8U CN212314771U (en) | 2020-03-26 | 2020-03-26 | Chain extension monitoring devices and long-pending formula conveyer of putting |
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| CN212314771U true CN212314771U (en) | 2021-01-08 |
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| CN202020410822.8U Active CN212314771U (en) | 2020-03-26 | 2020-03-26 | Chain extension monitoring devices and long-pending formula conveyer of putting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924292A (en) * | 2021-03-12 | 2021-06-08 | 河南中烟工业有限责任公司 | Detection device and method for detecting quality of silk suction belt and cloth belt by using detection device |
| CN113048221A (en) * | 2021-03-31 | 2021-06-29 | 杭州握莱商贸有限公司 | Tensile deformation real-time supervision ware to chain piece |
| CN113772440A (en) * | 2021-09-28 | 2021-12-10 | 大连华锐重工集团股份有限公司 | Walking positioning detection device of rail-mounted mobile equipment |
| CN113772440B (en) * | 2021-09-28 | 2024-06-11 | 大连华锐重工集团股份有限公司 | Walking positioning detection device of track type mobile equipment |
-
2020
- 2020-03-26 CN CN202020410822.8U patent/CN212314771U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924292A (en) * | 2021-03-12 | 2021-06-08 | 河南中烟工业有限责任公司 | Detection device and method for detecting quality of silk suction belt and cloth belt by using detection device |
| CN113048221A (en) * | 2021-03-31 | 2021-06-29 | 杭州握莱商贸有限公司 | Tensile deformation real-time supervision ware to chain piece |
| CN113772440A (en) * | 2021-09-28 | 2021-12-10 | 大连华锐重工集团股份有限公司 | Walking positioning detection device of rail-mounted mobile equipment |
| CN113772440B (en) * | 2021-09-28 | 2024-06-11 | 大连华锐重工集团股份有限公司 | Walking positioning detection device of track type mobile equipment |
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