CN202087522U - Anti-loosing alarm device for screen cloth of vibrating screen - Google Patents
Anti-loosing alarm device for screen cloth of vibrating screen Download PDFInfo
- Publication number
- CN202087522U CN202087522U CN2011201257700U CN201120125770U CN202087522U CN 202087522 U CN202087522 U CN 202087522U CN 2011201257700 U CN2011201257700 U CN 2011201257700U CN 201120125770 U CN201120125770 U CN 201120125770U CN 202087522 U CN202087522 U CN 202087522U
- Authority
- CN
- China
- Prior art keywords
- screen cloth
- end housing
- measuring transducer
- housing
- alarm circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
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- Combined Means For Separation Of Solids (AREA)
Abstract
An anti-loosing alarm device for a screen cloth of a vibrating screen comprises a screen cloth fixing support frame, a screen cloth tension device and a screen cloth compressing spring, wherein a micro-distance measuring transducer is arranged between the screen cloth fixing support frame and the screen cloth tension device, and a signal output of the micro-distance measuring transducer is connected with a detection and alarm circuit. Compared with the prior art, the anti-loosing alarm device adopts the micro-distance measuring transducer to perform the real-time monitoring of the circumstances of the slackness of pulling force or fracture of warps of the screen cloth of the vibrating screen and also output the alarm signal in a real-time manner through the detection and alarm circuit; the anti-loosing alarm device is capable of identifying whether the screen cloth of the vibrating screen is slack or the warps of the screen cloth fracture without opening the outer housing of the vibrating screen to check up the screen cloth, and also warning an operator to strengthen the tensioning force timely; the service life of the screen cloth is prolonged, and the mixed screening rate is reduced due to the timely replacement of the screen cloth.
Description
Technical field
The utility model relates to engineering machinery field, is meant the locking warning device 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, whether decision is strained screen cloth or is changed 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.
The utility model content
Main purpose of the present utility model is to overcome the deficiency of artificial judgment screen cloth behaviour in service in the prior art, provide 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 utility model adopts following technical scheme:
The locking warning device 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 a 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 a conductor, and end housing is an 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 a conductor, and this time end housing is an 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 an insulator, and end housing is a 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 a conductor, and this time end housing is an 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 an 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 or the like.
By above-mentioned to description of the present utility model as can be known, compared with prior art, the locking warning device of vibrating screen mesh of the present utility model utilizes 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 utility model specific embodiment one and the specific embodiment two;
Fig. 2 is the structural representation of the contact microspur measuring transducer of the utility model specific embodiment one;
Fig. 3 is the structural representation of the contact microspur measuring transducer of the utility model specific embodiment two;
Fig. 4 is the overall structure schematic diagram of the utility model specific embodiment three.
The specific embodiment
Below by the specific embodiment the utility model is described in detail.
Embodiment one
See figures.1.and.2, the locking warning device of vibrating screen mesh of the present utility model, 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 a conductor, and last end housing 42 is an 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 a conductor, and following end housing 44 is an 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 vibrating screen mesh of the present utility model, 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 an insulator, and last end housing 42 is a 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 a conductor, and following end housing 44 is an 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 vibrating screen mesh of the present utility model, 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 utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (6)
1. the 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.
2. the locking warning device of vibrating screen mesh as claimed in claim 1 is characterized in that: described microspur measuring transducer is a contact microspur measuring transducer.
3. the locking warning device of vibrating screen mesh as claimed in claim 2 is characterized in that: 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 a conductor, and end housing is an 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 a conductor, and this time end housing is an 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.
4. the locking warning device of vibrating screen mesh as claimed in claim 2 is characterized in that: 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 an insulator, and end housing is a 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 a conductor, and this time end housing is an 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.
5. the locking warning device of vibrating screen mesh as claimed in claim 1, it is characterized in that: described microspur measuring transducer is an 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.
6. the locking warning device of vibrating screen mesh as claimed in claim 1 is characterized in that: described microspur measuring transducer is capacitance gage, inductance sensor, hall displacement transducer or photoelectric displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201257700U CN202087522U (en) | 2011-04-22 | 2011-04-22 | Anti-loosing alarm device for screen cloth of vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201257700U CN202087522U (en) | 2011-04-22 | 2011-04-22 | Anti-loosing alarm device for screen cloth of vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202087522U true CN202087522U (en) | 2011-12-28 |
Family
ID=45362623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201257700U Expired - Lifetime CN202087522U (en) | 2011-04-22 | 2011-04-22 | Anti-loosing alarm device for screen cloth of vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202087522U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274825A (en) * | 2011-04-22 | 2011-12-14 | 福建南方路面机械有限公司 | Anti-loosening alarm device for screen cloth of vibrating screen |
| CN103084332A (en) * | 2013-02-28 | 2013-05-08 | 枣庄矿业（集团）有限责任公司柴里煤矿 | Elastic cleaning screen device of rotary screen |
| US9931672B2 (en) | 2016-04-08 | 2018-04-03 | W.S. Tyler Canada Ltd. | Side tensioning system for retaining screen media in a vibrating-type screening machine |
| CN109530218A (en) * | 2019-01-22 | 2019-03-29 | 山东理工大学 | A kind of vibrating screening machine that shaker pan can be effectively prevent to loosen |
| CN114749369A (en) * | 2022-04-15 | 2022-07-15 | 杨宇 | Quartz sand separation system convenient to adjust |
-
2011
- 2011-04-22 CN CN2011201257700U patent/CN202087522U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274825A (en) * | 2011-04-22 | 2011-12-14 | 福建南方路面机械有限公司 | Anti-loosening alarm device for screen cloth of vibrating screen |
| CN102274825B (en) * | 2011-04-22 | 2013-09-25 | 福建南方路面机械有限公司 | Anti-loosening alarm device for screen cloth of vibrating screen |
| CN103084332A (en) * | 2013-02-28 | 2013-05-08 | 枣庄矿业（集团）有限责任公司柴里煤矿 | Elastic cleaning screen device of rotary screen |
| US9931672B2 (en) | 2016-04-08 | 2018-04-03 | W.S. Tyler Canada Ltd. | Side tensioning system for retaining screen media in a vibrating-type screening machine |
| US10421102B2 (en) | 2016-04-08 | 2019-09-24 | W.S. Tyler Canada Ltd. | Side tensioning system for retaining screen media in a vibrating-type screening machine |
| CN109530218A (en) * | 2019-01-22 | 2019-03-29 | 山东理工大学 | A kind of vibrating screening machine that shaker pan can be effectively prevent to loosen |
| 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 |
| CN114749369A (en) * | 2022-04-15 | 2022-07-15 | 杨宇 | Quartz sand separation system convenient to adjust |
| CN114749369B (en) * | 2022-04-15 | 2024-04-26 | 安徽威克特瑞新材料科技有限公司 | Quartz sand separation system convenient to adjust |
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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: 20111228 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |