CN204301707U - A kind of long-range sensing device - Google Patents
A kind of long-range sensing device Download PDFInfo
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- CN204301707U CN204301707U CN201520011880.2U CN201520011880U CN204301707U CN 204301707 U CN204301707 U CN 204301707U CN 201520011880 U CN201520011880 U CN 201520011880U CN 204301707 U CN204301707 U CN 204301707U
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- fixed pulley
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- guide cylinder
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Abstract
The utility model discloses a kind of long-range sensing device, it is for detecting the position of to be measured of elevating movement, and this long-range sensing device comprises: the guide cylinder of tubular structure, and it is axially vertical direction; The induction post of cylindrical structure, it is set in guide cylinder coaxially, moves vertically; At least one position sensor, it is arranged on guide cylinder, detects the position of induction post; Non-telescoping tightrope, its one end is fixedly connected with the lower end of to be measured, and the other end is fixedly connected with the upper end of induction post; And two fixed pulleys, first fixed pulley is lower than the lower limit position of to be measured, second fixed pulley is higher than the upper surface of the first fixed pulley and guide cylinder, and tightrope leads through two fixed pulleys, makes the central shaft of the tightrope between the second fixed pulley to induction post and induction post on the same line.The utility model avoids pendant thing impact during to be measured of direct-detection, improves detection accuracy, extends the service life of sensor.
Description
Technical field
The utility model relates to a kind of sensing device, particularly a kind of long-range sensing device of the position of to be measured for detecting elevating movement.
Background technology
Oil (gas) cylinder is widely applied in Casting Equipment of Machine, wherein the particular location of the lifting guide pillar of oil (gas) cylinder often needs to detect, more especially there is the node location of crucial control action, as rise/fall cut off, decelerate position etc., and then corresponding control is done to equipment.Traditional detection sensor setting in the below of to be measured (as lifting guide pillar), the position that direct-detection is to be measured.But because the foreign material such as casting process Sand may fall from top, the detection accuracy of impact below sensor, also may shorten the service life of sensor, causes production efficiency decline, production cost increase.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of long-range sensing device, thus overcome that sensor detection accuracy in prior art is poor, defect that sensor service life is short.
For achieving the above object, the utility model provides a kind of long-range sensing device, and for detecting the position of to be measured of elevating movement, this long-range sensing device comprises: guide cylinder, and it is tubular structure, and the axis of this guide cylinder is vertical direction; Induction post, it is cylindrical structure, and this induction post is set in guide cylinder coaxially, moving axially along guide cylinder; At least one position sensor, it is arranged on guide cylinder, detects the position of induction post; Tightrope, it is non-telescoping, and one end of tightrope is fixedly connected with the lower end of to be measured, and the other end is fixedly connected with the upper end of induction post; And two fixed pulleys, it comprises the first fixed pulley and the second fixed pulley, the position of the installation shaft of the first fixed pulley is lower than the lower limit position of the elevating movement of to be measured, the position of position higher than the installation shaft of the first fixed pulley of the installation shaft of the second fixed pulley and the upper surface of guide cylinder, tightrope through the first fixed pulley and the second fixed pulley guiding, thus makes the tightrope between the second fixed pulley to induction post and responds to the central shaft of post on the same line.
Preferably, in technique scheme, the quantity of position sensor is four.
Preferably, in technique scheme, the position that position sensor detects corresponds to the node location of to be measured.
Preferably, in technique scheme, node location is decelerate position, decline rest position and/or rising rest position.
Preferably, in technique scheme, position sensor is travel switch, electromagnetic switch or photoelectric switch.
Preferably, in technique scheme, one end of tightrope is fixedly connected with by the lower end of the first suspension ring with to be measured.
Preferably, in technique scheme, the other end of tightrope is fixedly connected with by the upper end of the second suspension ring with induction post.
Compared with prior art, the utility model has following beneficial effect:
1. by arranging fixed pulley and induction post, the position that remote indirect detection is to be measured, avoids pendant thing impact during to be measured of direct-detection, improves the accuracy of detection, and extend the service life of sensor, thus increase work efficiency and reduce production cost;
2. led for induction post by guide cylinder, make the moving direction responding to post remain on vertical direction, improve the accuracy of detection;
3. by arranging the position sensor corresponding to important node position, can detect that to be measured is positioned at these node locations, thus provide node location information for the control of to be measured.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the long-range sensing device according to an embodiment of the present utility model.
Main Reference Numerals illustrates:
To be measured of 1-, 2-guide cylinder, 3-responds to post, 4-position sensor, 5-tightrope, 61-first fixed pulley, 62-second fixed pulley, 71-first suspension ring, 72-second suspension ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other elements or other parts.
As shown in Figure 1, according to the long-range sensing device of the utility model detailed description of the invention, its position for detecting to be measured 1, wherein to be measured 1 moves up and down, and in the present embodiment, to be measured 1 is air cylinder guide rod, will be appreciated that the utility model not as limit.Long-range sensing device comprises guide cylinder 2, induction post 3, at least one position sensor 4, tightrope 5 and two fixed pulleys (first fixed pulley 61 and the second fixed pulley 62).Guide cylinder 2 is the tubular structure of hollow, and the axis of guide cylinder 2 is vertical direction.Induction post 3 is cylindrical structure, and it is set in guide cylinder 2 coaxially, and induction post 3 can move up and down vertically in guide cylinder 2.Position sensor 4 is arranged on guide cylinder 2, can detect the position of induction post 3, and the quantity of position sensor 4 can need to select depending on technology, and in the present embodiment, the quantity of sensor is two, but will be appreciated that the utility model not as limit.One end of tightrope 5 is fixedly connected with the lower end of to be measured 1, and the other end is fixedly connected with the upper end of induction post 3, and tightrope 5 is non-telescoping, and therefore, its length and/or can not be responded to the tractive of post 3 and change because of to be measured 1.Two fixed pulleys comprise the first fixed pulley 61 and the second fixed pulley 62, the position of the installation shaft of the first fixed pulley 61 is lower than the lower limit position of the elevating movement of to be measured 1, the position of position higher than the installation shaft of the first fixed pulley 61 of the installation shaft of the second fixed pulley 62 and the upper surface of guide cylinder 2, tightrope 5 leads through the first fixed pulley 61 and the second fixed pulley 62, thus make that section of tightrope 5 between the second fixed pulley 62 to induction post 3 and respond to the central shaft of post 3 on the same line, under the Action of Gravity Field of induction post 3, this section of tightrope 5 is vertically naturally.
In a preferred embodiment of the invention, the quantity of position sensor 4 is four.These four position sensors can correspond to four node locations of to be measured 1 respectively.Particularly, these four node locations are respectively rising rest position, rising decelerate position, decline decelerate position and decline rest position.It should be understood that, the utility model is not as limit, and those skilled in the art can the quantity of chosen position sensor and installation site according to actual needs.
In embodiments more of the present utility model, position sensor 4 can adopt travel switch, electromagnetic switch or photoelectric switch.It should be understood that, the utility model is not as limit, and those skilled in the art can according to actual needs or require to select suitable other sensor types that can realize the position detecting induction post 3.
In embodiments more of the present utility model, one end of tightrope 5 can be fixedly connected with by the lower end of the first suspension ring 71 with to be measured 1.The other end of tightrope 5 can be fixedly connected with by the upper end of the second suspension ring 72 with induction post.It should be understood that, the utility model is not as limit, and those skilled in the art can select suitable connected mode according to actual needs.
In embodiments more of the present utility model, the sidewall of guide cylinder 2 can be arranged the installation of opening for position sensor 4, and the utility model is not as limit.
In long-range sensing device of the present utility model, induction post 3 is positioned at the center of guide cylinder 2, and vertically can move in guide cylinder 2, induction post 3 is subject to self gravitation straight down and to be measured 1 by the acting in conjunction of tightrope 5 to its pulling force straight up, by detecting the position of the position indirect detection to be measured 1 of induction post 3, thus the positional information of to be measured 1 can be provided, this information can be further used for the control of to be measured 1.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (7)
1. a long-range sensing device, it, for detecting the position of to be measured of elevating movement, is characterized in that, this long-range sensing device comprises:
Guide cylinder, it is tubular structure, and the axis of this guide cylinder is vertical direction;
Induction post, it is cylindrical structure, and this induction post is set in described guide cylinder coaxially, along moving axially of described guide cylinder;
At least one position sensor, it is arranged on described guide cylinder, detects the position of described induction post;
Tightrope, it is non-telescoping, and one end of described tightrope is fixedly connected with the lower end of described to be measured, and the other end is fixedly connected with the upper end of described induction post; And
Two fixed pulleys, it comprises the first fixed pulley and the second fixed pulley, the position of the installation shaft of described first fixed pulley is lower than the lower limit position of the elevating movement of described to be measured, the position of position higher than the installation shaft of described first fixed pulley of the installation shaft of described second fixed pulley and the upper surface of described guide cylinder, described tightrope through the first fixed pulley and the second fixed pulley guiding, thus make described second fixed pulley to the tightrope responded between post and described induction post central shaft on the same line.
2. long-range sensing device according to claim 1, is characterized in that, the quantity of described position sensor is four.
3. long-range sensing device according to claim 1, is characterized in that, the position that described position sensor detects corresponds to the node location of described to be measured.
4. long-range sensing device according to claim 3, is characterized in that, described node location is decelerate position, decline rest position and/or rising rest position.
5. long-range sensing device according to claim 1, is characterized in that, described position sensor is travel switch, electromagnetic switch or photoelectric switch.
6. long-range sensing device according to claim 1, is characterized in that, one end of described tightrope is fixedly connected with by the lower end of the first suspension ring with described to be measured.
7. long-range sensing device according to claim 1, is characterized in that, the other end of described tightrope is fixedly connected with by the upper end of the second suspension ring with described induction post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520011880.2U CN204301707U (en) | 2015-01-08 | 2015-01-08 | A kind of long-range sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520011880.2U CN204301707U (en) | 2015-01-08 | 2015-01-08 | A kind of long-range sensing device |
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| Publication Number | Publication Date |
|---|---|
| CN204301707U true CN204301707U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520011880.2U Expired - Fee Related CN204301707U (en) | 2015-01-08 | 2015-01-08 | A kind of long-range sensing device |
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| Country | Link |
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| CN (1) | CN204301707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955309A (en) * | 2016-07-18 | 2016-09-21 | 天津优瑞纳斯液压机械有限公司 | Pulled-type stroke limit device |
-
2015
- 2015-01-08 CN CN201520011880.2U patent/CN204301707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955309A (en) * | 2016-07-18 | 2016-09-21 | 天津优瑞纳斯液压机械有限公司 | Pulled-type stroke limit device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20210108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |