CN103787048A - Belt-broken protective device with deceleration function - Google Patents
Belt-broken protective device with deceleration function Download PDFInfo
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- CN103787048A CN103787048A CN201410038998.4A CN201410038998A CN103787048A CN 103787048 A CN103787048 A CN 103787048A CN 201410038998 A CN201410038998 A CN 201410038998A CN 103787048 A CN103787048 A CN 103787048A
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Abstract
The invention discloses a belt-broken protective device with a deceleration function. The belt-broken protective device comprises a rack and a capturing mechanism. The capturing mechanism comprises an upper conveyor belt capturing part and a lower conveyor belt capturing part. The upper conveyor belt capturing part comprises a movable upper capturing branch part which can swing upwards under the action of the gravity and a static upper capturing branch part arranged on the upper portion of the rack. The movable upper capturing branch part swings towards and near the static upper capturing branch part which is located above the movable upper capturing branch part, and an upper portion clamping gap is formed by the match of the movable upper capturing branch part and the static upper capturing branch part and is capable of capturing an upper conveyor belt. The static upper capturing branch part is an upper portion capturing beam, and the upper portion capturing beam comprises a regulator for buffering and decelerating. The regulator comprises a static beam, a movable beam and a damping structure, wherein the movable beam locates below the static beam and is capable of moving upwards under the action of the upper capturing movable branch part, and the damping structure is used for supplying resistance for the upward movement of the movable beam. The regulator is arranged to supply a deceleration effect on capturing a conveyor belt, so that the impact and damage on the rack during a capturing process are reduced, and the service life of the rack is prolonged.
Description
Technical field
The present invention relates to a kind of belt break protection device, relate in particular to a kind of belt break protection device with deceleration.
Background technology
Belt conveyer is widely used in the numerous areas such as mine, metallurgy, chemical industry, light industry, coal, harbour, along with the lengthening of fed distance, wearing and tearing that load-transfer device transmission brings and the error of maintenance, in operation process, can there is broken belt accident in belt conveyer, bring about great losses for avoiding that broken belt accident occurs, broken belt catcher generally can be installed on belt conveyer.
Patent CN201713083U discloses a kind of broken belt protector of belt conveyor, comprise that adhesive tape is arrested portion and lower adhesive tape is arrested portion, the adhesive tape portion of arresting be included under Action of Gravity Field, can upwards swing on arrest moving branch be fixed on upper rack on arrest quiet branch, on arrest that moving branch is flapped toward and near arresting quiet branch in the side of being located thereon, and with above arrest quiet branch and coordinate and form the top that can arrest upper strata broken belt and clamp gap; The lower adhesive tape portion of arresting be included under Action of Gravity Field can to arrest under lower swing moving branch be fixed on frame lower under arrest quiet branch, under arrest that moving branch is flapped toward and near be positioned at its below under arrest quiet branch, and with under arrest quiet branch and coordinate and form the below that can arrest lower floor's broken belt and clamp gap.This fault-belt catching device is made under normal circumstances carrying roller and is used, in the time there is broken belt, belt tension rapid drawdown, thereby the Action of Gravity Field that relies on parts triggers upper and lower adhesive tape, the portion that arrests implements to arrest to broken belt, although this fault-belt catching device can be implemented to arrest to the upper and lower adhesive tape after broken belt simultaneously, but because arresting rapidly, in capture process, easily conveyer fuselage support body is caused to very large impact, cause the damage of fuselage cradle body component.
As can be seen here, prior art awaits further improving.
Summary of the invention
The present invention is the weak point of avoiding above-mentioned prior art to exist, and a kind of belt break protection device with deceleration is provided.
The technical solution adopted in the present invention is:
Have the belt break protection device of deceleration, comprise frame and arresting agency, arresting agency comprises that upper conveyor belt is arrested portion and lower load-transfer device is arrested portion, the upper conveyor belt portion of arresting be included under Action of Gravity Field, can upwards swing on arrest moving branch and be arranged on upper rack on arrest quiet branch, on arrest that moving branch is flapped toward and near arresting quiet branch in the side of being located thereon, and with above arrest quiet branch and coordinate to form and can arrest the clamping gap, top of upper conveyor belt, on to arrest quiet branch be that crossbeam is arrested in top, top is arrested crossbeam and is comprised the regulating control for buffer deceleration, regulating control comprises static beam, be positioned at the below of static beam and arrest the portable beam that can move up under the effect of moving branch and provide the damping structure of resistance for the upward movement of portable beam upper, the lower load-transfer device portion of arresting be included under Action of Gravity Field can to arrest moving branch under lower swing and be arranged on frame lower under arrest quiet branch, under arrest that moving branch is flapped toward and near be positioned at its below under arrest quiet branch, and with under arrest quiet branch and coordinate formation can arrest the clamping gap, below of lower load-transfer device.
The both sides, bottom of described static beam are fixed with two connecting panels that are parallel to each other, and the cross section of described portable beam is U-shaped, the locating plate that it comprises base plate and is fixed on both sides, base plate top, and portable beam is arranged between two connecting panels by guide-localization assembly.
Described damping structure comprises and is arranged on the fuel tank in frame and is arranged on the oil cylinder between static beam and portable beam, the bottom of oil cylinder contacts with above-mentioned base plate, there is gap in the top of oil cylinder and the bottom of static beam, on oil cylinder, be provided with oil inlet and oil outlet, oil inlet is positioned at the top of oil outlet, oil inlet is connected with the oil outlet end of fuel tank by oil feed line, oil outlet is connected with the oil revolving end of fuel tank by oil return line, the oil revolving end of fuel tank is provided with flow regulating valve, in oil cylinder, be provided with first piston bar, the bottom of first piston bar is fixed with the first adjustment disk, on the first adjustment disk, be provided with for filling in and block the oil sealing of stating oil inlet, between the bottom of the first adjustment disk and the bottom of oil cylinder, be provided with the first retracing spring.
Described damping structure comprises and is arranged on the air pump in frame and is arranged on the cylinder between static beam and portable beam, the bottom of cylinder contacts with above-mentioned base plate, there is gap in the top of cylinder and the bottom of static beam, on cylinder, be provided with admission port and air extractor duct, admission port is positioned at the top of air extractor duct, admission port is connected with the outlet side of air pump by supply air line, air extractor duct is connected with the air return end of air pump by return line, the air return end of air pump is provided with gas governor valve, in cylinder, be provided with the second piston rod, the bottom of the second piston rod is fixed with the second adjustment disk, on the second adjustment disk, be provided with for filling in and block the sealing gland of stating admission port, between the bottom of the second adjustment disk and the bottom of cylinder, be provided with the second retracing spring.
Described guide-localization assembly comprises the locating piece at the relative position place that is arranged on respectively two connecting panels, all offers pilot hole on each locating piece, on two locatings plate of described portable beam, is all connected and can moves up and down locating dowel pin along described pilot hole.
On described, arrest moving branch comprise arrest frame, for the upper supporting roller of support upper conveyor belt and be arranged on arrest frame front end on arrest boots piece, upper supporting roller is arranged on the top of arresting frame, on described, arresting frame is rotationally connected by the first turning cylinder and frame, the two ends of the first turning cylinder are separately installed with weight arm, the free end of weight arm is provided with weight box, is loaded with clump weight in weight box; Under described, arrest moving branch arrest frame under comprising, for the lower compression roller of load-transfer device under pressure holding and be arranged on down arrest frame front end under arrest boots piece, lower compression roller is arranged on down the below of arresting frame, under described, arresting frame is rotationally connected by the second turning cylinder and frame, in frame, offer the turn hole relative with described the second turning cylinder position, under to arrest quiet branch be that crossbeam is arrested in below.
Described frame comprises left side frame and right side frame, arresting agency is between left and right side frame, in described frame, be also provided with for upper conveyor belt being carried out to the spacing inclined to one side carrying roller of upper gear and for lower load-transfer device being carried out to the inclined to one side carrying roller of spacing lower block, the inclined to one side carrying roller of upper gear has two, it is arranged on respectively the top of left and right side frame and is positioned at top the oblique below of arresting crossbeam, the inclined to one side carrying roller of lower block has two, and it is arranged on respectively the bottom of left and right side frame and is positioned at below the oblique upper of arresting crossbeam.
The rear of described left and right side frame is all provided with grille guard.
Described damping structure has two, answers in contrast, and described guide-localization assembly has two covers.
Width between described left and right side frame is greater than the bandwidth of belt of belt conveyor in application.
Owing to having adopted technique scheme, the obtained beneficial effect of the present invention is:
1, the present invention is by the shock damping action of oil cylinder or cylinder, changed above to arrest boots piece and the gap between crossbeam is arrested in top, arresting of load-transfer device played to the effect of deceleration, reduced the impact injury to frame in capture process, extended the service life of frame.
2, compact conformation of the present invention, installation and maintenance are convenient, and cost of manufacture is lower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that in the present invention, crossbeam is arrested in top.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the mounting structure schematic diagram of static beam and portable beam in the present invention.
Fig. 5 is the structural representation of a kind of embodiment of the regulating control in the present invention.
Fig. 6 is the structural representation of the another kind of embodiment of the regulating control in the present invention.
Wherein,
1, frame 101, left side frame 102, right side frame 2, crossbeam 201 is arrested in top, static beam 202, connecting panel 203, portable beam 204, locating dowel pin 205, locating piece 206, pilot hole 207, fuel tank 208, oil outlet end 209, oil revolving end 210, oil return line 211, oil feed line 212, oil cylinder 213, the first retracing spring 214, oil inlet 215, oil outlet 216, first piston bar 217, the first adjustment disk 218, oil sealing 219, air pump 220, outlet side 221, supply air line 222, gas governor valve 223, return line 224, admission port 225, air extractor duct 226, cylinder 227, the second retracing spring 228, the second adjustment disk 229, sealing gland 230, the second piston rod 3, on arrest frame 4, upper supporting roller 5, on arrest boots piece 6, the first turning cylinder 7, weight arm 8, weight box 9, under arrest frame 10, under arrest boots piece 11, lower compression roller 12, crossbeam 13 is arrested in below, the inclined to one side carrying roller 14 of upper gear, the inclined to one side carrying roller 15 of lower block, the second turning cylinder 16, grille guard
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiment.
As shown in Figure 1, there is the belt break protection device of deceleration, comprise frame 1 and arresting agency, described frame 1 comprises left side frame 101 and right side frame 102, the rear of left and right side frame is all provided with grille guard 16, width between left and right side frame is greater than the bandwidth of belt of belt conveyor in application, and arresting agency is between left and right side frame, and arresting agency comprises that upper conveyor belt is arrested portion and lower load-transfer device is arrested portion; The upper conveyor belt portion of arresting be included under Action of Gravity Field, can upwards swing on arrest moving branch and be arranged on frame 1 top on arrest quiet branch, on arrest that moving branch is flapped toward and near arresting quiet branch in the side of being located thereon, and with above arrest quiet branch and coordinate formation can arrest the clamping gap, top of upper conveyor belt; The lower load-transfer device portion of arresting be included under Action of Gravity Field can to arrest moving branch under lower swing and be arranged on frame 1 bottom under arrest quiet branch, under arrest that moving branch is flapped toward and near be positioned at its below under arrest quiet branch, and with under arrest quiet branch and coordinate formation can arrest the clamping gap, below of lower load-transfer device.
As shown in Figures 1 to 4, on described, arrest moving branch comprise arrest frame 3, for the upper supporting roller 4 of support upper conveyor belt and be arranged on arrest frame 3 front ends on arrest boots piece 5, upper supporting roller 4 is arranged on the top of arresting frame 3, on described, arresting frame 3 is rotationally connected with frame 1 by the first turning cylinder 6, the two ends of the first turning cylinder 6 are separately installed with weight arm 7, the free end of weight arm 7 is provided with weight box 8, in weight box 8, is loaded with clump weight; On described, arresting quiet branch is that crossbeam 2 is arrested in top, top is arrested crossbeam 2 and is comprised the regulating control for buffer deceleration, and regulating control comprises static beam 201, be positioned at the below of static beam 201 and arrest the portable beam 203 that can move up under the effect of moving branch and provide the damping structure of resistance for the upward movement of portable beam 203 upper; The both sides, bottom of described static beam 201 are fixed with two connecting panels that are parallel to each other 202, the cross section of described portable beam 203 is U-shaped, the locating plate that it comprises base plate and is fixed on both sides, base plate top, portable beam 203 is arranged between two connecting panels 202 by guide-localization assembly, described damping structure has two, answer in contrast, described guide-localization assembly has two covers; Described guide-localization assembly comprises the locating piece 205 at the relative position place that is arranged on respectively two connecting panels 202, on each locating piece 205, all offer pilot hole 206, on two locatings plate of described portable beam 203, be all connected and can move up and down locating dowel pin 204 along described pilot hole 206.
Described damping structure has two kinds of embodiments:
Embodiment one: as shown in Figures 4 and 5, damping mechanism comprises the fuel tank 207 being arranged in frame 1 and is arranged on the oil cylinder 212 between static beam 201 and portable beam 203, the bottom of oil cylinder 212 contacts with above-mentioned base plate, there is gap in the bottom of the top of oil cylinder 212 and static beam 201, on oil cylinder 212, be provided with oil inlet 214 and oil outlet 215, oil inlet 214 is positioned at the top of oil outlet 215, oil inlet 214 is connected with the oil outlet end 208 of fuel tank 207 by oil feed line 211, oil outlet 215 is connected with the oil revolving end 209 of fuel tank 207 by oil return line 210, the oil revolving end 209 of fuel tank 207 is provided with flow regulating valve, in oil cylinder 212, be provided with first piston bar 216, the bottom of first piston bar 216 is fixed with the first adjustment disk 217, on the first adjustment disk 217, be provided with for filling in and block the oil sealing 218 of stating oil inlet 214, between the bottom of the bottom of the first adjustment disk 217 and oil cylinder 212, be provided with the first retracing spring 213.
Embodiment two: as shown in Figure 4 and Figure 6, damping structure comprises the air pump 219 being arranged in frame 1 and is arranged on the cylinder 226 between static beam 201 and portable beam 203, the bottom of cylinder 226 contacts with above-mentioned base plate, there is gap in the bottom of the top of cylinder 226 and static beam 201, on cylinder 226, be provided with admission port 224 and air extractor duct 225, admission port 224 is positioned at the top of air extractor duct 225, admission port 224 is connected with the outlet side 220 of air pump 219 by supply air line 221, air extractor duct 225 is connected with the air return end of air pump 219 by return line 223, the air return end of air pump 219 is provided with gas governor valve, in cylinder 226, be provided with the second piston rod 230, the bottom of the second piston rod 230 is fixed with the second adjustment disk 228, on the second adjustment disk 228, be provided with for filling in and block the sealing gland 229 of stating admission port 224, between the bottom of the bottom of the second adjustment disk 228 and cylinder 226, be provided with the second retracing spring 227.
As shown in Figures 1 to 6, in the time that belt conveyer normally moves, under the Action of Gravity Field of portable beam 203 and oil cylinder 212 or air pump 226, portable beam 203 and above to arrest gap between boots piece 5 motionless, under the effect of the first retracing spring 213, the bottom of first piston bar 216 is positioned at the top of oil inlet 214, oil cylinder 212 is in repairing state, under the effect of the second retracing spring 227, the bottom of the second piston rod 230 is positioned at the top of admission port 224, and air pump 219 is in tonifying Qi state, if belt conveyer upper conveyor belt in operational process ruptures, upper conveyor belt loses the effective pressure holding to upper supporting roller 4 in the moment of fracture, meanwhile, on arrest frame 3 under the effect of weight arm 7 and weight box 8, carry upper supporting roller 4 and on arrest boots piece 5 and upwards swing, on arrest boots piece 5 and want to arrest crossbeam 2 with top and form the clamping gap that can arrest upper strata broken belt, when on arrest boots piece 5 and touch portable beam 203 and promote portable beam 203 while rising, the oil cylinder 212 of portable beam 203 inside or cylinder 226 also rise thereupon, first piston bar 216 or the second piston rod 230 touch the bottom of static beam 201, in uphill process, the first or second retracing spring plays certain shock damping action, and oil sealing 218 on the first adjustment disk 217 of first piston bar 216 is blocked oil inlet 214, sealing gland 229 on the second adjustment disk 228 of the second piston rod 230 is blocked admission port 224, oil in oil cylinder 212 flows back to the oil revolving end 209 of fuel tank 207 by oil return line 210, by regulating the size of flow regulating valve, the speed of adjustable oil return speed, thereby regulate cylinder damping, gas in air pump 219 flows back to air pump 219 by return line 223, flow back to the speed of speed by adjustments of gas governor valve 222 adjustable gas, thereby regulate cylinder damping, and then capture process is played to certain buffer action, reduce and arrested the impact injury that moment causes frame 1.
As shown in Figure 1, under described, arrest moving branch arrest frame 9 under comprising, for the lower compression roller 11 of load-transfer device under pressure holding and be arranged on down arrest frame 9 front ends under arrest boots piece 10, lower compression roller 11 is arranged on down the below of arresting frame 9, under described, arresting frame 9 is rotationally connected with frame 1 by the second turning cylinder 15, in frame 1, offer the turn hole relative with described the second turning cylinder 15 positions, under to arrest quiet branch be that crossbeam 12 is arrested in below, the regulating control that also can be provided for buffer deceleration in crossbeam 12 is arrested in described below; If belt conveyer is lower load-transfer device generation broken belt in operational process, descend load-transfer device moment to lose the effective holding to lower compression roller 11, under arrest under the effect of frame 9 self gravitations, under arrest frame 9 drive lower compression roller 11 and under arrest boots piece 10 to lower swing, until under arrest boots piece 10 and below and arrest and between crossbeam 12, form the clamping gap that can arrest lower floor's broken belt.
As shown in Figure 1, in described frame 1, be also provided with for upper conveyor belt being carried out to the inclined to one side carrying roller 13 of spacing upper gear and for lower load-transfer device being carried out to the inclined to one side carrying roller 14 of spacing lower block, the inclined to one side carrying roller 13 of upper gear has two, it is arranged on respectively the top of left and right side frame and is positioned at top the oblique below of arresting crossbeam 2, the inclined to one side carrying roller 14 of lower block has two, and it is arranged on respectively the bottom of left and right side frame and is positioned at below the oblique upper of arresting crossbeam 12.
The part of not addressing in the present invention adopts or uses for reference prior art and can realize.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " horizontal stroke ", " indulging ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance.
Although more used herein frame 1, top arrest crossbeam 2, on arrest the terms such as frame 3, weight box 8, lower compression roller 11, the second turning cylinder 15, do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Need to further illustrate, specific embodiment described herein is only to spiritual example explanation of the present invention.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. there is the belt break protection device of deceleration, comprise frame and arresting agency, it is characterized in that: arresting agency comprises that upper conveyor belt is arrested portion and lower load-transfer device is arrested portion, the upper conveyor belt portion of arresting be included under Action of Gravity Field, can upwards swing on arrest moving branch and be arranged on upper rack on arrest quiet branch, on arrest that moving branch is flapped toward and near arresting quiet branch in the side of being located thereon, and with above arrest quiet branch and coordinate to form and can arrest the clamping gap, top of upper conveyor belt, on to arrest quiet branch be that crossbeam is arrested in top, top is arrested crossbeam and is comprised the regulating control for buffer deceleration, regulating control comprises static beam, be positioned at the below of static beam and arrest the portable beam that can move up under the effect of moving branch and provide the damping structure of resistance for the upward movement of portable beam upper, the lower load-transfer device portion of arresting be included under Action of Gravity Field can to arrest moving branch under lower swing and be arranged on frame lower under arrest quiet branch, under arrest that moving branch is flapped toward and near be positioned at its below under arrest quiet branch, and with under arrest quiet branch and coordinate formation can arrest the clamping gap, below of lower load-transfer device.
2. the belt break protection device with deceleration according to claim 1; it is characterized in that: the both sides, bottom of described static beam are fixed with two connecting panels that are parallel to each other; the cross section of described portable beam is U-shaped; the locating plate that it comprises base plate and is fixed on both sides, base plate top, portable beam is arranged between two connecting panels by guide-localization assembly.
3. the belt break protection device with deceleration according to claim 2, it is characterized in that: described damping structure comprises and is arranged on the fuel tank in frame and is arranged on the oil cylinder between static beam and portable beam, the bottom of oil cylinder contacts with above-mentioned base plate, there is gap in the top of oil cylinder and the bottom of static beam, on oil cylinder, be provided with oil inlet and oil outlet, oil inlet is positioned at the top of oil outlet, oil inlet is connected with the oil outlet end of fuel tank by oil feed line, oil outlet is connected with the oil revolving end of fuel tank by oil return line, the oil revolving end of fuel tank is provided with flow regulating valve, in oil cylinder, be provided with first piston bar, the bottom of first piston bar is fixed with the first adjustment disk, on the first adjustment disk, be provided with for filling in and block the oil sealing of stating oil inlet, between the bottom of the first adjustment disk and the bottom of oil cylinder, be provided with the first retracing spring.
4. the belt break protection device with deceleration according to claim 2, it is characterized in that: described damping structure comprises and is arranged on the air pump in frame and is arranged on the cylinder between static beam and portable beam, the bottom of cylinder contacts with above-mentioned base plate, there is gap in the top of cylinder and the bottom of static beam, on cylinder, be provided with admission port and air extractor duct, admission port is positioned at the top of air extractor duct, admission port is connected with the outlet side of air pump by supply air line, air extractor duct is connected with the air return end of air pump by return line, the air return end of air pump is provided with gas governor valve, in cylinder, be provided with the second piston rod, the bottom of the second piston rod is fixed with the second adjustment disk, on the second adjustment disk, be provided with for filling in and block the sealing gland of stating admission port, between the bottom of the second adjustment disk and the bottom of cylinder, be provided with the second retracing spring.
5. according to the belt break protection device with deceleration described in claim 3 or 4 any one claims; it is characterized in that: described guide-localization assembly comprises the locating piece at the relative position place that is arranged on respectively two connecting panels; on each locating piece, all offer pilot hole, on two locatings plate of described portable beam, be all connected and can move up and down locating dowel pin along described pilot hole.
6. the belt break protection device with deceleration according to claim 1, it is characterized in that: on described, arrest moving branch comprise arrest frame, for the upper supporting roller of support upper conveyor belt and be arranged on arrest frame front end on arrest boots piece, upper supporting roller is arranged on the top of arresting frame, on described, arresting frame is rotationally connected by the first turning cylinder and frame, the two ends of the first turning cylinder are separately installed with weight arm, the free end of weight arm is provided with weight box, is loaded with clump weight in weight box; Under described, arrest moving branch arrest frame under comprising, for the lower compression roller of load-transfer device under pressure holding and be arranged on down arrest frame front end under arrest boots piece, lower compression roller is arranged on down the below of arresting frame, under described, arresting frame is rotationally connected by the second turning cylinder and frame, in frame, offer the turn hole relative with described the second turning cylinder position, under to arrest quiet branch be that crossbeam is arrested in below.
7. the belt break protection device with deceleration according to claim 6, it is characterized in that: described frame comprises left side frame and right side frame, arresting agency is positioned at a left side, between the frame of right side, in described frame, be also provided with for upper conveyor belt being carried out to the spacing inclined to one side carrying roller of upper gear and for lower load-transfer device being carried out to the inclined to one side carrying roller of spacing lower block, the inclined to one side carrying roller of upper gear has two, it is arranged on respectively a left side, the top of right side frame and be positioned at top and arrest the oblique below of crossbeam, the inclined to one side carrying roller of lower block has two, it is arranged on respectively a left side, the bottom of right side frame and be positioned at below and arrest the oblique upper of crossbeam.
8. the belt break protection device with deceleration according to claim 7, is characterized in that: the rear of described left and right side frame is all provided with grille guard.
9. according to the belt break protection device with deceleration described in claim 3 or 4 any one claims, it is characterized in that: described damping structure has two, answers in contrast, described guide-localization assembly has two covers.
10. the belt break protection device with deceleration according to claim 7, is characterized in that: the width between described left and right side frame is greater than the bandwidth of belt of belt conveyor in application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038998.4A CN103787048B (en) | 2014-01-27 | 2014-01-27 | There is the belt break protection device of deceleration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038998.4A CN103787048B (en) | 2014-01-27 | 2014-01-27 | There is the belt break protection device of deceleration |
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| CN103787048A true CN103787048A (en) | 2014-05-14 |
| CN103787048B CN103787048B (en) | 2016-06-29 |
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| CN103787047A (en) * | 2014-01-27 | 2014-05-14 | 山东科大机电科技有限公司 | Belt breakage protection device with speed reducing function |
| CN103818699A (en) * | 2014-01-27 | 2014-05-28 | 山东科大机电科技有限公司 | Belt breakage protecting device with deceleration function |
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| CN203728116U (en) * | 2014-01-27 | 2014-07-23 | 山东科大机电科技有限公司 | Belt breakage protection device with deceleration function |
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|---|---|---|---|---|
| CN103787047A (en) * | 2014-01-27 | 2014-05-14 | 山东科大机电科技有限公司 | Belt breakage protection device with speed reducing function |
| CN103818699A (en) * | 2014-01-27 | 2014-05-28 | 山东科大机电科技有限公司 | Belt breakage protecting device with deceleration function |
| CN103818699B (en) * | 2014-01-27 | 2015-11-18 | 山东科大机电科技股份有限公司 | There is the belt break protection device of deceleration |
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| Publication number | Publication date |
|---|---|
| CN103787048B (en) | 2016-06-29 |
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