CN102274825B - Anti-loosening alarm device for screen cloth of vibrating screen - Google Patents
Anti-loosening alarm device for screen cloth of vibrating screen Download PDFInfo
- Publication number
- CN102274825B CN102274825B CN2011101034177A CN201110103417A CN102274825B CN 102274825 B CN102274825 B CN 102274825B CN 2011101034177 A CN2011101034177 A CN 2011101034177A CN 201110103417 A CN201110103417 A CN 201110103417A CN 102274825 B CN102274825 B CN 102274825B
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- China
- Prior art keywords
- screen cloth
- screen
- measuring transducer
- end housing
- alarm circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4627—Repairing of screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/48—Stretching devices for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/18—Control
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to an anti-loosening alarm device for screen cloth of a vibrating screen. The anti-loosening alarm device comprises a screen cloth fixing and supporting frame, a screen cloth tensioning device and a screen cloth compressing spring, wherein a micro-measuring sensor is arranged between the screen cloth fixing and supporting frame and the screen cloth tensioning device, and a detection alarm circuit is connected to the signal output of the micro-measuring sensor. Compared with the prior art, the anti-loosening alarm device can be used for monitoring the pull force looseningsituation of the screen cloth of the vibrating screen or the warp breakage situation of the screen cloth in real time by utilizing the micro-measuring sensor, outputting an alarm signal by virtue of the detection alarm circuit in real time, accurately judging whether the screen cloth of the vibrating screen is loosened or the warps of the screen cloth are broken under the condition of not openinga shell of the vibrating shell to inspect the screen cloth, and reminding an operator of increasing the tension force of the screen cloth in time, thereby prolonging the service life of the screen cloth and reducing the mixed screening rate by replacing the screen cloth in time.
Description
Technical field
The present invention relates to engineering machinery field, refer to the locking warning device of a kind of vibrating screen mesh especially.
Background technology
Existing vibrating screen mesh in use the screen cloth absent-mindedness often occurs, if there is not in time screen cloth to be tightened to the pulling force that use needs, then fracture appears in screen cloth warp easily, after the screen cloth warp break, makes that mixing the sieve rate rises.The passing method that addresses this problem at present is to have manually according to use experience, regularly observes screen cloth, perhaps observe the situation of screening material after, determine whether to strain screen cloth or change screen cloth.But this method is easy owing to personnel's carelessness or owing to the material difference of sieving, and is difficult to judge accurately when screen cloth is relaxed or the screen cloth warp break.
Summary of the invention
Main purpose of the present invention is to overcome the deficiency of artificial judgment screen cloth behaviour in service in the prior art, provide a kind of vibrating screen mesh locking warning device, monitoring vibration sieve screen cloth pulling force absent-mindedness in real time or screen cloth warp break situation, and real-time output alarm signal.
The present invention adopts following technical scheme:
The locking warning device of a kind of vibrating screen mesh, comprise screen cloth fixing support rack, screen cloth take-up device and screen cloth holddown spring, be provided with the microspur measuring transducer between this screen cloth fixing support rack and screen cloth take-up device, this microspur measuring transducer signal output is connected with the detection alarm circuit.
Described microspur measuring transducer is contact microspur measuring transducer.
Further, described contact microspur measuring transducer comprises upper end, lower end, thrust spring, spring cup, goes up end housing and following end housing; This upper end and last end housing are installed on the described screen cloth take-up device, and this upper end is conductor, and end housing is insulator on this, and this upper end is by last end housing and the insulation of vibratory sieve other parts; End housing was installed on the described screen cloth fixing support rack under this lower end, thrust spring, spring cup reached, and this lower end is conductor, and this time end housing is insulator, and this lower end is by end housing and vibratory sieve other parts insulation down; This upper end connects the ground wire of described detection alarm circuit, and this lower end connects the signal end of this detection alarm circuit.
Perhaps, described contact microspur measuring transducer comprises upper end, lower end, thrust spring, spring cup, goes up end housing and following end housing; This upper end and last end housing are installed on the described screen cloth take-up device, and this upper end is insulator, and end housing is conductor on this, and end housing is electrically connected with the vibratory sieve other parts on this; End housing was installed on the described screen cloth fixing support rack under this lower end, thrust spring, spring cup reached, and this lower end is conductor, and this time end housing is insulator, and this lower end is by end housing and vibratory sieve other parts insulation down; Should go up the ground wire that end housing or vibratory sieve other parts connect described detection alarm circuit, this lower end connects the signal end of this detection alarm circuit.
Perhaps, described microspur measuring transducer is eddy displacement sensor, a detection background module is pointed in the test side of this eddy displacement sensor, and this eddy displacement sensor and this detection background module are separately fixed on described screen cloth fixing support rack and the screen cloth take-up device.
Perhaps, described microspur measuring transducer is the various displacement transducers of capacitance gage, inductance sensor, hall displacement transducer or photoelectric displacement sensor etc.
By the above-mentioned description of this invention as can be known, compared with prior art, the locking warning device of a kind of vibrating screen mesh of the present invention utilizes the screen cloth pulling force absent-mindedness of the real-time monitoring vibration sieve of microspur measuring transducer or screen cloth warp break situation, and by the real-time output alarm signal of detection alarm circuit, can be under the situation of not opening vibratory sieve shell inspection screen cloth, accurately judge whether vibrating screen mesh relaxes or whether the screen cloth warp ruptures, remind the operator in time to increase the screen cloth tightening force, improve screen cloth service life, in time change screen cloth and reduce the sieve rate of mixing.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the specific embodiment of the invention one and the specific embodiment two;
Fig. 2 is the structural representation of the contact microspur measuring transducer of the specific embodiment of the invention one;
Fig. 3 is the structural representation of the contact microspur measuring transducer of the specific embodiment of the invention two;
Fig. 4 is the overall structure schematic diagram of the specific embodiment of the invention three.
The specific embodiment
Below describe the present invention by the specific embodiment.
Embodiment one
See figures.1.and.2, the locking warning device of a kind of vibrating screen mesh of the present invention, comprise screen cloth fixing support rack 1, screen cloth take-up device 2 and screen cloth holddown spring 3, be provided with contact microspur measuring transducer 4 between screen cloth fixing support rack 1 and screen cloth take-up device 2, the output of contact microspur measuring transducer 4 signals is connected with detection alarm circuit 5.
Contact microspur measuring transducer 4 comprises upper end 41, lower end 43, thrust spring 45, spring cup 46, goes up end housing 42 and following end housing 44; Upper end 41 and go up end housing 42 and be installed on the screen cloth take-up device 2, upper end 41 be conductor, and last end housing 42 is insulator, and insulate by last end housing 42 and vibratory sieve other parts in upper end 41; End housing 44 was installed on the screen cloth fixing support rack 1 under lower end 43, thrust spring 45, spring cup 46 reached, and lower end 43 is conductor, and following end housing 44 is insulator, and lower end 43 is by end housing 44 and vibratory sieve other parts insulation down; Upper end 41 connects the ground wire of detection alarm circuit 5, and lower end 43 connects the signal end of detection alarm circuit 5.
The vibrating screen mesh pulling force of normal mounting provides by screen cloth holddown spring 3, locking screen cloth take-up device 2 is near the nut of contact microspur measuring transducer 4 upper ends, the tension screen cloth, at this moment the tightening force of screen cloth equates with screen cloth holddown spring power f=kx, when the vibrating screen mesh warp owing to reasons such as creep make pulling force loosening or during when the vibrating screen mesh warp break, the pulling force f=kx of screen cloth holddown spring 3 is greater than the screen cloth pulling force, for reaching stress balance, screen cloth holddown spring 3 deflection x can reduce, cause screen cloth take-up device 2 also to produce the displacement of x with respect to screen cloth fixing support rack 1, at this moment the upper end 41 of contact microspur measuring transducer 4 displacement that also thereupon together produces x separates with the lower end 43 of contact microspur measuring transducer 4, the contact condition of contact microspur measuring transducer 4 changes, by being connected after detection alarm circuit 5 on the contact microspur measuring transducer 4 detects the variation of this signal, be transported to the computer control end, the output sound and light alarm of should reporting to the police simultaneously is in order to prompting.
Specifically: detection line voltage is the voltage that is perfectly safe, when the vibratory sieve operate as normal, detection alarm circuit 5 keeps normally closed, when vibrating screen mesh absent-mindedness or vibratory sieve warp break, the screen cloth pulling force descends, the pulling force of screen cloth holddown spring 3 is greater than the screen cloth pulling force, screen cloth holddown spring 3 drives the upper end 41 of contact microspur measuring transducer 4 and moves, when dropping to, uses down in limited time the vibratory sieve pulling force, screen cloth holddown spring 3 drives upper end 41 to be separated with lower end 43, at this moment detection alarm circuit 5 detects contact microspur measuring transducer 4 and becomes disconnection by normally closed point, and then detection alarm circuit 5 is with this signal output alarm.A vibratory sieve is installed the locking warning device of a plurality of these screen clothes according to the different model needs, and the locking warning device of each screen cloth works alone, and can judge it is concrete which some tension variations or which position vibratory sieve warp break.
Embodiment two
With reference to Fig. 1 and Fig. 3, the locking warning device of a kind of vibrating screen mesh of the present invention, comprise screen cloth fixing support rack 1, screen cloth take-up device 2 and screen cloth holddown spring 3, be provided with contact microspur measuring transducer 4 between screen cloth fixing support rack 1 and screen cloth take-up device 2, the output of contact microspur measuring transducer 4 signals is connected with detection alarm circuit 5.
Contact microspur measuring transducer 4 comprises upper end 41, lower end 43, thrust spring 45, spring cup 46, goes up end housing 42 and following end housing 44; Upper end 41 and last end housing 42 are installed on the screen cloth take-up device 2, and upper end 41 is insulator, and last end housing 42 is conductor, and last end housing 42 is electrically connected with the vibratory sieve other parts; End housing 44 was installed on the screen cloth fixing support rack 1 under lower end 43, thrust spring 45, spring cup 46 reached, and lower end 43 is conductor, and following end housing 44 is insulator, and lower end 43 is by end housing 44 and vibratory sieve other parts insulation down; The vibratory sieve casing connects the ground wire of detection alarm circuit 5, and lower end 43 connects the signal end of detection alarm circuit 5.
During work, the voltage of detection alarm circuit 5 is the voltage that is perfectly safe, the ground wire of detection alarm circuit 5 is connected with the vibratory sieve casing, when the vibratory sieve operate as normal, detection alarm circuit 5 keeps often opening, and when vibrating screen mesh absent-mindedness or vibratory sieve warp break, the screen cloth pulling force descends, the pulling force of screen cloth holddown spring 3 is greater than the screen cloth pulling force, screen cloth holddown spring 3 drives upper end 41 and moves, when dropping to, uses down in limited time the vibratory sieve pulling force, screen cloth holddown spring 3 drives upper end 41 to be separated with lower end 43 simultaneously with last end housing 42 on 41 limits, upper end and contacts, at this moment to detect contact microspur measuring transducer 4 closed by normal battle for detection alarm circuit 5, and then detection alarm circuit 5 is with this signal output alarm.A vibratory sieve is installed the locking warning device of a plurality of these screen clothes according to the different model needs, at this moment a plurality of sensors are composed in series a cover checkout gear, when the pulling force absent-mindedness of any one vibratory sieve wherein or warp break, detection alarm circuit 5 is reported to the police, though can not specifically indicate which position pulling force absent-mindedness or warp break, simplify circuit.
Embodiment three
With reference to Fig. 4, the locking warning device of a kind of vibrating screen mesh of the present invention, comprise screen cloth fixing support rack 1, screen cloth take-up device 2 and screen cloth holddown spring 3, be provided with eddy displacement sensor 6 between screen cloth fixing support rack 1 and screen cloth take-up device 2, the output of eddy displacement sensor 6 signals is connected with the detection alarm circuit.A detection background module 62 is pointed in the test side 61 of eddy displacement sensor 6, eddy displacement sensor 6 and detection background module 62 are separately fixed on screen cloth fixing support rack 1 and the screen cloth take-up device 2, when vibrating screen mesh absent-mindedness or vibratory sieve warp break, the screen cloth pulling force descends, the pulling force of screen cloth holddown spring 3 is greater than the screen cloth pulling force, screen cloth holddown spring 3 drives the test side 61 of detection background module 62 relative eddy displacement transducers 6 and moves, when displacement exceeds setting range, eddy displacement sensor 6 is given signal of detection alarm circuit, and the detection alarm circuit is with this signal output alarm.
Above-mentioned only is three specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (1)
1. locking warning device of vibrating screen mesh, comprise screen cloth fixing support rack, screen cloth take-up device and screen cloth holddown spring, it is characterized in that: be provided with the microspur measuring transducer between this screen cloth fixing support rack and screen cloth take-up device, this microspur measuring transducer signal output is connected with the detection alarm circuit;
Described microspur measuring transducer is contact microspur measuring transducer, and this contact microspur measuring transducer comprises upper end, lower end, thrust spring, spring cup, goes up end housing and following end housing; This upper end and last end housing are installed on the described screen cloth take-up device, and this upper end is conductor, and end housing is insulator on this, and this upper end is by last end housing and the insulation of vibratory sieve other parts; End housing was installed on the described screen cloth fixing support rack under this lower end, thrust spring, spring cup reached, and this lower end is conductor, and this time end housing is insulator, and this lower end is by end housing and vibratory sieve other parts insulation down; This upper end connects the ground wire of described detection alarm circuit, and this lower end connects the signal end of this detection alarm circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101034177A CN102274825B (en) | 2011-04-22 | 2011-04-22 | Anti-loosening alarm device for screen cloth of vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101034177A CN102274825B (en) | 2011-04-22 | 2011-04-22 | Anti-loosening alarm device for screen cloth of vibrating screen |
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| Publication Number | Publication Date |
|---|---|
| CN102274825A CN102274825A (en) | 2011-12-14 |
| CN102274825B true CN102274825B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101034177A Active CN102274825B (en) | 2011-04-22 | 2011-04-22 | Anti-loosening alarm device for screen cloth of vibrating screen |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645667B (en) * | 2013-11-25 | 2018-05-29 | 衡阳泰豪通信车辆有限公司 | Locking nut detection device and antenna lifting mechanism locking control method |
| CN109954669B (en) * | 2017-12-14 | 2021-03-26 | 湖南中联重科混凝土机械站类设备有限公司 | Screen protection device and vibrating screen |
| CN109351617A (en) * | 2018-09-03 | 2019-02-19 | 安徽屹翔滤材有限公司 | A kind of screen stencil sheet device for warning looseness |
| CN109530218B (en) * | 2019-01-22 | 2021-04-09 | 山东理工大学 | Can effectively prevent not hard up vibrating screen extension of shale shaker dish |
| WO2021078338A1 (en) * | 2019-10-25 | 2021-04-29 | GEA Scan-Vibro A/S | A vibrating apparatus system with a perforated screen element and a computer implemented method for providing an alarm signal |
| CN113588224A (en) * | 2021-09-29 | 2021-11-02 | 山东天河科技股份有限公司 | System for mechanical performance test and use method thereof |
| CN114573164B (en) * | 2022-03-02 | 2023-05-09 | 广东凯链环保科技有限公司 | Waste water catalytic reaction device for treating small organic molecules |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143779A1 (en) * | 1980-11-07 | 1982-07-08 | Svedala-Arbrå AB, 23300 Svedala | Device on screening or sieving devices for monitoring screening or sieving netting |
| CN2696731Y (en) * | 2004-02-03 | 2005-05-04 | 张敬勤 | Stretching device for screen of vibration screen |
| CN101884977A (en) * | 2010-06-28 | 2010-11-17 | 三一重工股份有限公司 | Vibration screening mechanism and early warning device for vibrating screen mesh rupture |
| CN201724652U (en) * | 2010-07-28 | 2011-01-26 | 刘飞 | Hall linear micro-distance sensor |
| CN202087522U (en) * | 2011-04-22 | 2011-12-28 | 福建南方路面机械有限公司 | Anti-loosing alarm device for screen cloth of vibrating screen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411464Y (en) * | 2000-04-04 | 2000-12-20 | 时代集团公司 | Micro-displacement measuring device |
| JP2002001220A (en) * | 2000-06-26 | 2002-01-08 | Ando Screen Seisakusho:Kk | Net for sieve shaker |
-
2011
- 2011-04-22 CN CN2011101034177A patent/CN102274825B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143779A1 (en) * | 1980-11-07 | 1982-07-08 | Svedala-Arbrå AB, 23300 Svedala | Device on screening or sieving devices for monitoring screening or sieving netting |
| CN2696731Y (en) * | 2004-02-03 | 2005-05-04 | 张敬勤 | Stretching device for screen of vibration screen |
| CN101884977A (en) * | 2010-06-28 | 2010-11-17 | 三一重工股份有限公司 | Vibration screening mechanism and early warning device for vibrating screen mesh rupture |
| CN201724652U (en) * | 2010-07-28 | 2011-01-26 | 刘飞 | Hall linear micro-distance sensor |
| CN202087522U (en) * | 2011-04-22 | 2011-12-28 | 福建南方路面机械有限公司 | Anti-loosing alarm device for screen cloth of vibrating screen |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-1220A 2002.01.08 |
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| CN102274825A (en) | 2011-12-14 |
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Address after: Quanzhou city high tech Industrial Park District 362000 of Fujian Province Patentee after: Fujian Nanfang pavement machinery Co., Ltd Address before: Quanzhou city high tech Industrial Park District 362000 of Fujian Province Patentee before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |
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