CN201583264U - Hydraulic bracket and detecting device for support height thereof - Google Patents
Hydraulic bracket and detecting device for support height thereof Download PDFInfo
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- CN201583264U CN201583264U CN2009202669984U CN200920266998U CN201583264U CN 201583264 U CN201583264 U CN 201583264U CN 2009202669984 U CN2009202669984 U CN 2009202669984U CN 200920266998 U CN200920266998 U CN 200920266998U CN 201583264 U CN201583264 U CN 201583264U
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Abstract
The utility model discloses a detecting device for the support height of a hydraulic bracket, comprising a detecting element and a control element, wherein the detecting element is used for detecting the length change of a detected part and obtaining a detecting signal; and the control element is used for receiving the detecting signal, calculating and outputting a value corresponding to the support height of the hydraulic bracket according to a preset strategy. Therefore, the detecting device can detect and output a real-time support height value according to the real-time change of the length of the detected part, and realize real-time detection on the support height of the hydraulic bracket; and a measuring device adopts an automatic control system, has higher detecting accuracy, obviously reduces working intensity of workers and obviously improves the degree of modernization of the coal mining industry. The utility model also discloses a hydraulic bracket comprising the detecting device.
Description
Technical field
The utility model relates to the coal excavation apparatus technical field, particularly a kind of pick-up unit of hydraulic support stand height.The utility model also relates to a kind of hydraulic support that comprises above-mentioned detection device.
Background technology
Along with the fast development of China's economic construction, industry such as coal constantly develop towards the direction of mechanization, robotization, and comprehensive mechanical coal mining equipment is applied in the various coal mining constructions more and more widely.Hydraulic support is the important component part of comprehensive mechanical coal mining equipment, and it can reliably and effectively support and control the top board of coal-face, isolates the goaf, prevents that spoil from entering coal face.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of typical hydraulic support.
Typical hydraulic support generally comprises base 14, the appropriate location of base 14 is equipped with column 13, and (column is a kind of of hydraulic cylinder, moving up and down of telescopic drive miscellaneous part by the cylinder bar), the cylinder bottom of column 13 is installed on the above-mentioned base 14, and its cylinder bar is installed on extensible canopy 11 or back timber 12, with by the stretching out and withdraw of column 13, drive extensible canopy 11 and back timber 12 rises and descends.
The supporting use of hydraulic support and coalcutter, realized comprehensive mechanical coal mining, roof control lags behind the contradiction of coal work in the solution mechanical coal mining work, improve the usefulness of coal mining and transportation equipment, alleviate the labour intensity of coal miner, ensured the life security of coal miner, the adaptability of hydraulic support and reliability have considerable influence to the security and the production efficiency of performing comprehensive coal mining operations.
In the course of work of hydraulic support, need to detect its height, and the height of hydraulic support is regulated, thereby make the height of hydraulic support remain on the state that comparatively is fit to construction environment according to the variation of construction environment.
For a long time, in the work progress of the colliery of China, pass through the mode of hand dipping hydraulic support back timber height more, obtaining the supporting height of hydraulic support, and hand dipping hydraulic support elevation accuracy is lower, and wastes time and energy, laborer's working strength is bigger, and the work danger coefficient is higher; The work progress that also has directly rule of thumb carries out rising frame and falls operation such as frame without measurement, operating accuracy is lower, and can't carry out the detection of complex working condition such as roof fall, has hindered coal industry robotization, modernization process.
Therefore, how under the prerequisite that improves measuring accuracy, reduce laborer's working strength, and improve the automaticity that the hydraulic support stand height is measured, just become the problem that those skilled in the art need solve.
The utility model content
The purpose of this utility model provides a kind of pick-up unit of hydraulic support stand height, has higher measuring accuracy, and has reduced laborer's working strength, has improved the automaticity of supporting height measurement mechanism; Another purpose of the present utility model provides a kind of hydraulic support that comprises above-mentioned detection device.
For solving the problems of the technologies described above, the utility model provides a kind of pick-up unit of hydraulic support stand height, comprises detecting element, is used to detect the length variations of unit under test, and obtains detection signal; Control element is used to receive described detection signal, and exports the supporting height value of described hydraulic support.
Preferably, described detecting element is the stay-supported displacement transducer that is installed on the back timber of described hydraulic support; Described unit under test is the backguy of described stay-supported displacement transducer, and first end of described backguy is installed on described back timber, and its second end is installed on the stiff end of the column of described hydraulic support.
Preferably, also comprise fixed head, described stay-supported displacement transducer is installed on described back timber by described fixed head.
Preferably, also comprise the elasticity folder, second end of described backguy is by the stiff end of described elasticity clamping due to described column.
The utility model also provides a kind of hydraulic support, comprises above-mentioned each described pick-up unit.
The pick-up unit of hydraulic support stand height provided by the utility model, comprise the length variations that is used to detect unit under test, and obtain the detecting element of detection signal, and control element, this control element is used to receive the detected detection signal of described detecting element, and according to predetermined policy calculating and output and the corresponding value of supporting height.When hydraulic support is in different supporting heights, the length of unit under test can change, then produce the corresponding length variations signal of this length variations value, detecting element detects this length variations signal, and transmit it to control element, after control element receives this length variations signal, be worth accordingly, thereby determine real-time operation steps according to the supporting height of control element output according to predetermined policy calculating and output and supporting height.Like this, real-time change according to the length of unit under test, can detect and export real-time supporting height value, realized the real-time detection of hydraulic support stand height, and measurement mechanism adopts automatic control system, have the higher detection precision, reduced laborer's working strength significantly, and significantly improved the up-to-dateness of colliery industry.
A kind of preferred embodiment in, above-mentioned detecting element is the stay-supported displacement transducer that is installed on the back timber of hydraulic support; Unit under test is the backguy of stay-supported displacement transducer, and first end of backguy is installed on back timber, and second end is installed on the stiff end of the column of hydraulic support.When column stretches out, the back timber that drives hydraulic support raises, at this moment, because first end of backguy is fixed in back timber, together raise with back timber, the length of backguy changes, and the stay-supported displacement transducer detects the length variations signal of backguy, and transmit the signal to control element, with calculating output supporting height by control element.The structure of stay-supported displacement transducer is comparatively simple, and is easy for installation, and higher to the length variations signal detection accuracy, has the higher detection accuracy.
Description of drawings
Fig. 1 is a kind of structural representation of typical hydraulic support;
Fig. 2 is the system diagram of the pick-up unit of hydraulic support stand height provided by the utility model;
Fig. 3 is the structural representation of a kind of embodiment of hydraulic support provided by the utility model;
Fig. 4 is the enlarged drawing of A part among Fig. 3.
Embodiment
Core of the present utility model provides a kind of pick-up unit of hydraulic support stand height, has higher measuring accuracy, and has reduced laborer's working strength, has improved the automaticity of supporting height measurement mechanism; Another core of the present utility model provides a kind of hydraulic support that comprises above-mentioned detection device.
In order to make those skilled in the art person understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the system diagram of the pick-up unit of hydraulic support stand height provided by the utility model; Fig. 3 is the structural representation of a kind of embodiment of hydraulic support provided by the utility model; Fig. 4 is the enlarged drawing of A part among Fig. 3.
In a kind of embodiment, the pick-up unit of hydraulic support stand height provided by the utility model, comprise the length variations that is used to detect unit under test, and obtain the detecting element of relevant detection signal, and the control element that is used to receive described detection signal, control element is after receiving above-mentioned detection signal, according to predetermined policy calculating and output and the corresponding numerical value of supporting height.
Above-mentioned predetermined policy can be for having the quafric curve of suitable parameter, and the quadratic curve equation computing is comparatively simple, and is lower to the requirement of counter and controller, thereby reduced the cost of supporting height pick-up unit; Simultaneously, quafric curve has higher computing degree of accuracy, thereby has improved the precision of pick-up unit.
Above-mentioned predetermined policy is meant the account form in the counter that inputs to control element in advance, and this predetermined policy can be one section curve of output, also can be the function of certain form, and its concrete form can be determined according to the working condition of reality.Correspondingly, under different predetermined policies, the corresponding numerical value of supporting height with hydraulic support of control element output may be distinguished to some extent, should have certain corresponding relation between the numerical value of output and the supporting height, also be, behind the output numerical value of controlled element,, can access the instantaneous value of supporting height according to the corresponding relation between itself and the supporting height.
Above-mentioned detecting element can be the stay-supported displacement transducer 1 of the back timber 2 that is installed on hydraulic support, unit under test is the backguy 3 of stay-supported displacement transducer 1, first end of backguy 3 is installed on back timber 2, and its second end is installed on the stiff end of the column 4 of hydraulic support.When column 4 stretches out, the back timber 2 that drives hydraulic support raises, at this moment, because first end of backguy 3 is fixed in back timber 2, together raise with back timber 2, the length of backguy 3 changes, and stay-supported displacement transducer 1 detects the length variations signal of backguy 3, and transmit the signal to control element, by the calculating output and the corresponding value of supporting height of control element.The structure of stay-supported displacement transducer is comparatively simple, and is easy for installation, and higher to the length variations signal detection accuracy, has the higher detection accuracy.
Apparently, in order to guarantee stretching out of backguy 3, the total length of backguy 3 should equal the extension elongation of column 4 at least, also can be greater than the extension elongation of column 4; Certainly, when above-mentioned backguy 3 was made by the rubber-like material, the length the during normal condition of backguy 3 also can be slightly less than the extension elongation of column 4; Above-mentioned backguy 3 can be wound in stay-supported displacement transducer 1 inside.
The material of above-mentioned backguy 3 can be the metal material of routine, for example iron etc.; Also can realize the material of functions of use for other.
Above-mentioned detecting element also is not limited to stay-supported displacement transducer 1, the length variations amount that act as the detection unit under test of detecting element, and the other forms of parts with this function also can be used as the embodiment of detecting element.Correspondingly, above-mentioned unit under test also is not limited to backguy 3, also can be the parts of other length with the lifting variation of hydraulic support.
In the pick-up unit of above-mentioned supporting height, can also comprise the fixed head 5 that is fixed in back timber 2, stay-supported displacement transducer 1 is installed on back timber 2 by fixed head 5, thereby makes stay-supported displacement transducer 1 be more convenient for mounting and dismounting.
Above-mentioned stay-supported displacement transducer 1 can also be installed on the fixed head 5 by erecting frame 7, with the installation capability of further raising stay-supported displacement transducer 1.
Apparently, above-mentioned backguy 3 also is not limited to by elasticity folder 6 and is installed on the column 4, also can be installed on the column 4 by other links, these parts can be installed on the column 4 removably by bolt, also can be fixed on the column 4 by the mode of welding.
When hydraulic support is in different supporting heights, the length of unit under test can change, then produce the corresponding length variations signal of this length variations value, detecting element detects this length variations signal, and transmit it to control element, after control element receives this length variations signal, be worth accordingly, thereby determine real-time operation steps according to the supporting height of control element output according to predetermined policy calculating and output and supporting height.Like this, real-time change according to the length of unit under test, can detect and export real-time supporting height value, realized the real-time detection of hydraulic support stand height, and measurement mechanism adopts automatic control system, have the higher detection precision, reduced laborer's working strength significantly, and significantly improved the up-to-dateness of colliery industry.
Except the above-mentioned pick-up unit that is used for the hydraulic support stand height, the utility model also provides a kind of hydraulic support that comprises above-mentioned detection device, and the structure of other each several parts of this hydraulic support please refer to prior art, does not repeat them here.
More than the pick-up unit of a kind of hydraulic support provided by the utility model and supporting height thereof is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. the pick-up unit of a hydraulic support stand height is characterized in that, comprise,
Detecting element is used to detect the length variations of unit under test, and obtains detection signal;
Control element is used to receive described detection signal, and exports the supporting height value of described hydraulic support.
2. the pick-up unit of hydraulic support stand height according to claim 1 is characterized in that, described detecting element is the stay-supported displacement transducer (1) of the back timber (2) that is installed on described hydraulic support; Described unit under test is the backguy (3) of described stay-supported displacement transducer (1), and first end of described backguy (3) is installed on described back timber (2), and its second end is installed on the stiff end of the column (4) of described hydraulic support.
3. the pick-up unit of hydraulic support stand height according to claim 2 is characterized in that, also comprises fixed head (5), and described stay-supported displacement transducer (1) is installed on described back timber (2) by described fixed head (5).
4. the pick-up unit of hydraulic support stand height according to claim 3 is characterized in that, also comprises elasticity folder (6), and second end of described backguy (3) presss from both sides the stiff end that (6) are fixed in described column (4) by described elasticity.
5. a hydraulic support is characterized in that, comprises each described pick-up unit of claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202669984U CN201583264U (en) | 2009-11-17 | 2009-11-17 | Hydraulic bracket and detecting device for support height thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202669984U CN201583264U (en) | 2009-11-17 | 2009-11-17 | Hydraulic bracket and detecting device for support height thereof |
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| Publication Number | Publication Date |
|---|---|
| CN201583264U true CN201583264U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202669984U Expired - Lifetime CN201583264U (en) | 2009-11-17 | 2009-11-17 | Hydraulic bracket and detecting device for support height thereof |
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| CN (1) | CN201583264U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806544A (en) * | 2016-05-20 | 2016-07-27 | 中国矿业大学 | Mining random high-voltage lossless optical fiber Bragg grating single prop pressure sensor system |
| CN107976159A (en) * | 2017-12-31 | 2018-05-01 | 苏州通锦精密工业股份有限公司 | The product length screening apparatus of aluminium section bar production line |
| CN114509036A (en) * | 2021-11-16 | 2022-05-17 | 中煤新集能源股份有限公司 | Hydraulic support monitoring device |
-
2009
- 2009-11-17 CN CN2009202669984U patent/CN201583264U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806544A (en) * | 2016-05-20 | 2016-07-27 | 中国矿业大学 | Mining random high-voltage lossless optical fiber Bragg grating single prop pressure sensor system |
| CN107976159A (en) * | 2017-12-31 | 2018-05-01 | 苏州通锦精密工业股份有限公司 | The product length screening apparatus of aluminium section bar production line |
| CN107976159B (en) * | 2017-12-31 | 2024-04-02 | 苏州通锦精密工业股份有限公司 | Product length screening device of aluminum profile production line |
| CN114509036A (en) * | 2021-11-16 | 2022-05-17 | 中煤新集能源股份有限公司 | Hydraulic support monitoring device |
| CN114509036B (en) * | 2021-11-16 | 2024-01-16 | 中煤新集能源股份有限公司 | Hydraulic support monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100915 Effective date of abandoning: 20091117 |