CN202807783U - Transmission protection detecting device for chain scraper conveyor - Google Patents
Transmission protection detecting device for chain scraper conveyor Download PDFInfo
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- CN202807783U CN202807783U CN 201220462305 CN201220462305U CN202807783U CN 202807783 U CN202807783 U CN 202807783U CN 201220462305 CN201220462305 CN 201220462305 CN 201220462305 U CN201220462305 U CN 201220462305U CN 202807783 U CN202807783 U CN 202807783U
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- chain
- rotating speed
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- case
- housing
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Abstract
The utility model discloses a transmission protection detecting device for a chain scraper conveyor. The transmission protection detecting device for the chain scraper conveyor comprises a support, a supporting arm, a holddown spring, a transmission mechanism, a primary gear, a secondary gear, a positioning shaft sleeve, a tooth-shaped pulley, a signal output mechanism and a rotating speed signal output unit, wherein the support is fixedly arranged on a shell of the scraper conveyor; the supporting arm is connected with the support through a bolt; both ends of the holddown spring are respectively connected with the support and the supporting arm; the transmission mechanism comprises a housing; the housing is connected below the supporting arm; the housing is provided with a through hole; the primary gear is arranged in the housing through a revolving shaft; the secondary gear is arranged in the housing and is meshed with the primary gear; the positioning shaft sleeve passes through one end of the revolving shaft of the housing; one side of the positioning shaft sleeve is abutted against the housing; the tooth-shaped pulley is sheathed with one end of the revolving shaft passing through one side of the housing and at the outer side of the positioning shaft sleeve; the tooth-shaped pulley is matched with a chain of the scraper conveyor; the signal output mechanism comprises a rotating speed flexible shaft; one end of the rotating speed flexible shaft is connected with an output shaft of the secondary gear; the other end of the rotating speed flexible shaft is arranged on the support in the manner of penetrating; and the rotating speed signal output unit is connected with the other end of the rotating speed flexible shaft. The transmission protection detecting device for the chain scraper conveyor can be used for detecting normal rupture phenomena, meanwhile, can be used for detecting deviation, jump and relaxation phenomena of the chain and is not influenced by sundries in dust.
Description
Technical field
The utility model mainly belongs to scraper chain conveying technology field; be particularly related to a kind of chain scraper machine driving protection detecting device; to the detection of chain rupture fault and chain elasticity, also can be used on the belt transmission when being applicable to the chain scraper machine and being in on-line operation.
Background technology
In present desiliconization dust exhaustor ash-transmission system, scraper chain is the carrier that generally uses as the conveying dust in the dust pelletizing system, is to guarantee that dust carries out the effective means of space transfer in a confined space.In case scraper chain fracture phenomenon not only causes the dust alluvial in the conveying space; Simultaneously, also the continuous operation of dust exhaustor has been brought adverse effect, the dust after dust-removal cloth-bag filters can not get timely discharging, and the compression filter space causes the dust exhaustor forced outage.Simultaneously, scraper chain is at the operation some cycles or be subject to the effect of overload tension force, produces chain lowering phenomenon, and chain can improper the contact occur with guide rail, housing, thereby the phenomenons such as the chain hinge is tied, beated, out of stock, fracture occur.As can not finding that in the very first time fault can be magnified, thereby cause that follow-up maintenance activity difficulty increases, the recondition expense multiplication.And from existing technological side, when the problems such as the disconnection of generation chain and chain elasticity Real Time Monitoring, lack a kind of better detection means.
The defective of prior art is as follows:
At first, the chain of cable picking and laying machine is to move in an exposed space, its warning device is operation in an open type environment, the design of warning device, installation and use the impact of the limitation of Existential Space not, this warning device is to be attached on the chain, and the strong point of chain is on driving wheel and follower, in case chain disconnects, chain will hang without support, disconnect control path so that warning device can obtain feedback signal in the very first time.And the chain scraper machine is to be enclosed in operation in the casing, chain itself carries out transmission by the gear teeth of wheel end to end, and in guide rail and the enterprising line slip of base plate, so chain is when disconnecting, chain still may be on the guide rail, adopts like this modes such as pinch roller, weight to be difficult to accurately detect crack conditions.The chain scraper machine is to carry conny or granular material, and warning device will consider that these materials are on its impact.Under special circumstances, material can be bonded on the casing of scrapper conveyor, when chain rupture occurs weight very likely bonded material hold, detect ineffectively and make, the fault feedback signal can't produce.This is that cable picking and laying machine chain breakage warning device can not be applied in one of this reason.
Secondly, cable picking and laying machine chain and chain scraper chain bar be from operating characteristic, the difference that both existence are very large.The cable picking and laying machine chain only plays the transfer function of power, and the moment of torsion of motor is passed to S. A..Therefore, this chain is general messenger chain; And the chain of chain scraper machine mainly is to carry the dust medium, the scratch board machine chain wing is main stress point, because the many-side effect of medium load, chain sideslip often occurs, beats, relaxation, also have simultaneously foreign material to the impact of chain operation, be cable picking and laying machine chain breakage warning device can not use former therefore three.
At last, the chain stable working of cable picking and laying machine, the contact surface of working normally is the driving gear of motor and the ring gear of radio cassette player, not work done of chain itself, stressed evenly the version of chain is common messenger chain, and warning device is installed in the normal operation that does not affect chain on the chain.And the main stress point of chain scraper and chain is on the wing of chain, and stressed extremely inhomogeneous, chain has wild effect when normal operation, and the version of chain is criss-cross, chain is in the friction of guide rail and bottom liner plate always when operation, it is larger to wear and tear, as use the warning device of cable picking and laying machine form, can't actual installation and use.
Summary of the invention
The purpose of this utility model is to design a kind of chain scraper machine driving protection detecting device, can not only detect the normal rupture phenomenon, simultaneously also to the chain sideslip, beat, relaxation detects; Not affected by the foreign material in the dust; The prompting operating personnel carries out the maintaining effect in advance, also plays minimizing in the fracture when detecting the chain operation, prevents the effect of chain breakage phenomenon.Improve the field apparatus monitoring capacity, assurance equipment normally moves, and reduces causality loss.
For achieving the above object, the technical solution of the utility model is:
A kind of chain scraper machine driving protection detecting device, it comprises, support is fixed on the scrapper conveyor shell; Hold-down arm is bolted in support; Holddown spring, its two ends are connection bracket and hold-down arm respectively; Transmission device comprises, case is connected in the hold-down arm lower end, offers the installation through hole on the case; The one-level gear is arranged in the case by rotating shaft, and rotating shaft one end passes case one side from through hole is installed; Secondary gear is located at case, meshes with the one-level gear; Positioning shaft sleeve is sheathed on rotating shaft one end that passes case one side, positioning shaft sleeve one side and case against; Toothed pulley is arranged at and is sheathed on rotating shaft one end that passes case one side, the outside of positioning shaft sleeve; Toothed pulley cooperates with scratch board machine chain; The signal output mechanism comprises, rotating speed flexible axle, an end are connected in described secondary gear output shaft, and the other end is arranged on the support; The tach signal follower is connected in the rotating speed flexible axle other end, and electric connection scrapper conveyor run signal feeds back to control system.
Further, described connection hold-down arm and coaxial deflection pointer and the calibrated disc of arranging in the bolt outer end of support.
Again, described tach signal follower is installed rotating speed instrument or rotation sensor, and electric connection scrapper conveyor run signal feeds back to control system.
The utility model arranges a tachogen in scrapper conveyor ascender to the beveled end at great wheel place, and a pulley is installed on the sensor contact arm.Scrapper conveyor is when normal operation, pulley drives rotation along with the operation of scrapper conveyor, rotating speed gear in the sensor is done to rotate synchronously, with tach signal by sensor passes to instrument cabinet, feedback signal is done normal operation and is shown, after scratch board machine chain disconnects, chain is with out of service, transmission gear in the sensor stops operating and fault alarm, and the operating personnel is after obtaining breakdown signal, immediately to the spot examination situation and process.
Slat conveyer is when normal operation, and up chain moves backward, and toothed pulley is rotated along with the operation of chain, and holddown spring control hold-down arm abuts against on the scraper chain at pulley, to guarantee to transmit accurately; Transmission gear is driven along with the operation of pulley, rotating speed is output, through rotating speed flexible axle mouth output, but the User demand is installed rotating speed instrument or rotation sensor the run signal of scraper chain is fed back to control system on the flexible axle mouth, is used for the speed control and protection control of scraper chain; When chain was out of service, sensor was made quiescence, and transmission gear is out of service, the output of sensor danger signal.When the disconnection of scrapper conveyor chain, chain is out of service, and pulley is out of service, and feedback signal disappears, and makes fault-alarming state, informs operating personnel's scraper chain et out of order.
The analysis that during faults such as generation chain rupture sensor is affected:
1. when slat conveyer moved, if chain is excessively loose, the deflection pointer indicated the scale on calibrated disc to change.(this indicating graduation can be monitored the chain elasticity, the prompting operating personnel adjusts the elasticity of chain, owing to send out from device interior with the relaxation cases with chain, thereby also can the deflection indicating instrument be installed at hold-down arm deflection indication pipe link, in order to telemonitoring and record) if needed
2. when slat conveyer moved, if chain disconnects, the toothed pulley of sensor lost support, and transmission gear is out of service, then makes immediately fault alarm.(this state can be pointed out operating personnel's chain generation open failure, needs in time to process.)
3. when slat conveyer moved, if the chain deviation phenomenon occurs, the toothed pulley of sensor lost support because of dislocation, and transmission gear is out of service, then makes immediately fault alarm.(this state has good suggesting effect to correcting the normal operation of chain, and the prompting operating personnel need to proofread and correct the center square of carrying parts.)
The beneficial effects of the utility model:
1. the utility model structure of the detecting device is simple, and range of use is wide, can be used on belt feeder, the chain conveying driver.
2. the utility model detecting device mainly is the operation conditions of exporting to monitor scraper chain by rotating speed.
3. the utility model detecting device is very fast to the very first time reaction that chain rupture occurs, and can detection effect all be arranged to chain degree of tightness, sideslip etc.
4. the utility model detecting device is by coming controlling run with the structural pattern of scraper chain synchronized operation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the exploded drawings of the utility model embodiment.
The specific embodiment
Referring to Fig. 1, Fig. 2, chain scraper machine driving protection detecting device of the present utility model, it comprises, support 1 is fixed on the scrapper conveyor shell; Hold-down arm 2 is connected in support 1 by bolt 3; Holddown spring 4, its two ends are connection bracket 1 and hold-down arm 2 respectively; Transmission device 5 comprises, case 51 is connected in hold-down arm 2 lower ends, offers on the case 51 through hole 511 is installed; One-level gear 52 is arranged in the case 51 by rotating shaft 53, and rotating shaft 53 1 ends pass case 51 1 sides from through hole 511 is installed; Secondary gear 54 is located at case 52, with 52 engagements of one-level gear; Positioning shaft sleeve 55 is sheathed on rotating shaft 53 1 ends that pass case 51 1 sides, positioning shaft sleeve 55 1 sides and case 51 against; Toothed pulley 56 is arranged at and is sheathed on rotating shaft 53 1 ends that pass case 51 1 sides, the outside of positioning shaft sleeve 55; Toothed pulley 56 cooperates with scratch board machine chain 100; Signal output mechanism 6 comprises, rotating speed flexible axle 61, one ends are connected in described secondary gear 54 output shafts, and the other end is arranged on the support 1; Tach signal follower 62 is connected in rotating speed flexible axle 61 other ends, and electric connection scrapper conveyor run signal feeds back to control system.
Further, described connection hold-down arm 2 and coaxial deflection pointer 7 and the calibrated disc 8 of arranging in bolt 3 outer ends of support 1.
Again, described tach signal follower 62 is installed rotating speed instrument or rotation sensor, and electric connection scrapper conveyor run signal feeds back to control system.
During conveyer operation work, the reducing gearbox output shaft drives the scrapper conveyor great wheel and rotates, and great wheel is rotated and driven the scraper chain operation, and scraper chain drives the scrapper conveyor tail wheel and rotates; At this moment, toothed pulley is along with the service direction of flight chain is done the synchronous backward operation in rotating shaft, one-level gear and toothed pulley are done to rotate synchronously, the one-level gear rotates to drive again with secondary gear and rotates, secondary gear rotates and to be delivered to the tach signal follower by connected rotating speed flexible axle again, and the tach signal follower is converted into and is sent to the scrapper conveyor run signal after the digital signal and feeds back to control system.
The running condition of scraper chain finally exports the tach signal follower to by the rotating speed flexible axle; the running velocity of scraper chain can be able to be sent out on the one hand; on the other hand when the chain rupture situation occurs; toothed pulley will stop operating; the mouth of rotating speed flexible axle does not just rotate output yet; but therefore the mouth of rotating speed flexible axle just the User demand rotating speed instrument or rotation sensor are installed the run signal of scraper chain are fed back to control system, be used for the speed control and protection control of scraper chain.
For preventing that the running condition that jumping phenomena and toothed pulley can accurately be transmitted scratch board machine chain from appearring in hold-down arm, by holddown spring by holddown spring on the hold-down arm, hold-down arm is compressed at scratch board machine chain, guarantee scratch board machine chain in the situation that occurs beating or relax, tighten, toothed pulley can accurately be transmitted the running condition of scratch board machine chain.The other end of bolt connects hold-down arm deflection pointer and calibrated disc, and in company with hold-down arm together deflection, thereby the degree of tightness situation of scratch board machine chain is reflected, so that in time adjust.
Claims (3)
1. a chain scraper machine driving protection detecting device is characterized in that, comprise,
Support is fixed on the scrapper conveyor shell;
Hold-down arm is bolted in support;
Holddown spring, its two ends are connection bracket and hold-down arm respectively;
Transmission device comprises,
Case is connected in the hold-down arm lower end, offers the installation through hole on the case;
The one-level gear is arranged in the case by rotating shaft, and rotating shaft one end passes case one side from through hole is installed;
Secondary gear is located at case, meshes with the one-level gear;
Positioning shaft sleeve is sheathed on rotating shaft one end that passes case one side, positioning shaft sleeve one side and case against;
Toothed pulley is arranged at and is sheathed on rotating shaft one end that passes case one side, the outside of positioning shaft sleeve; Toothed pulley cooperates with scratch board machine chain;
The signal output mechanism comprises,
Rotating speed flexible axle, an end are connected in described secondary gear output shaft, and the other end is arranged on the support;
The tach signal follower is connected in the rotating speed flexible axle other end, and electric connection scrapper conveyor run signal feeds back to control system.
2. chain scraper machine driving protection detecting device as claimed in claim 1 is characterized in that, described connection hold-down arm and coaxial deflection pointer and the calibrated disc of arranging in the bolt outer end of support.
3. chain scraper machine driving protection detecting device as claimed in claim 1 is characterized in that, described tach signal follower is installed rotating speed instrument or rotation sensor, and electric connection scrapper conveyor run signal feeds back to control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462305 CN202807783U (en) | 2012-09-11 | 2012-09-11 | Transmission protection detecting device for chain scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462305 CN202807783U (en) | 2012-09-11 | 2012-09-11 | Transmission protection detecting device for chain scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202807783U true CN202807783U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220462305 Expired - Fee Related CN202807783U (en) | 2012-09-11 | 2012-09-11 | Transmission protection detecting device for chain scraper conveyor |
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| CN (1) | CN202807783U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185242A (en) * | 2016-09-06 | 2016-12-07 | 农业部南京农业机械化研究所 | A kind of auger conveyor overload detector and detection method |
| CN106185196A (en) * | 2015-05-26 | 2016-12-07 | 乔伊·姆·特拉华公司 | Control the conveyer in mining system |
| WO2017036029A1 (en) * | 2015-09-06 | 2017-03-09 | 中国矿业大学 | Breakage detection system and method of chains of a scraper conveyor |
| CN109160225A (en) * | 2018-10-16 | 2019-01-08 | 江苏丰尚智能科技有限公司 | A kind of chain chain breakage protection device |
-
2012
- 2012-09-11 CN CN 201220462305 patent/CN202807783U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185196A (en) * | 2015-05-26 | 2016-12-07 | 乔伊·姆·特拉华公司 | Control the conveyer in mining system |
| CN106185196B (en) * | 2015-05-26 | 2020-05-15 | 久益环球地下采矿有限责任公司 | Controlling a conveyor in a mining system |
| WO2017036029A1 (en) * | 2015-09-06 | 2017-03-09 | 中国矿业大学 | Breakage detection system and method of chains of a scraper conveyor |
| US10207874B2 (en) | 2015-09-06 | 2019-02-19 | China University Of Mining And Technology | Breakage detection system and method of chains of a scraper conveyor |
| CN106185242A (en) * | 2016-09-06 | 2016-12-07 | 农业部南京农业机械化研究所 | A kind of auger conveyor overload detector and detection method |
| CN109160225A (en) * | 2018-10-16 | 2019-01-08 | 江苏丰尚智能科技有限公司 | A kind of chain chain breakage protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130320 Termination date: 20160911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |