CN201647765U - Emergency braking device used on traction sheave of traction machine - Google Patents
Emergency braking device used on traction sheave of traction machine Download PDFInfo
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- CN201647765U CN201647765U CN2010201740142U CN201020174014U CN201647765U CN 201647765 U CN201647765 U CN 201647765U CN 2010201740142 U CN2010201740142 U CN 2010201740142U CN 201020174014 U CN201020174014 U CN 201020174014U CN 201647765 U CN201647765 U CN 201647765U
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Abstract
The utility model relates to an emergency braking device used on a traction sheave of a traction machine and belongs to an up overspeed protection device for an elevator car. The traction machine comprises a frame, a motor, a brake, a reduction gearbox, the traction sheave and a support seat. The utility model is characterized in that the emergency braking device comprises first and second brake arm assemblies, an electromagnet, a base frame and a pressure spring assembly; the first and second brake arm assemblies comprise first and second brake arms and first and second brake rubber components; the electromagnet is fixed with the first and second brake arms by first and second pull rods; the pressure spring assembly comprises a pressure spring, a pressure spring seat and a long screw; and the emergency braking device is arranged on any one of the support seat and the reduction gearbox of the traction machine. The emergency braking device of the utility model has the advantages of avoidance of damage to a steel wire rope or the inner and outer circle surfaces of the traction sheave, no requirement on the enough width of the traction sheave, large effective braking area, good braking effect, capability of guaranteeing operation safe, simple structure, small volume, low manufacturing cost and no need of a special installation space.
Description
Technical field
The utility model relates to the emergency braking apparatus on a kind of traction sheave that acts on towing machine, belongs to lift car protection device for over-speed ascending technical field.
Background technology
GB7588-2003 " elevator manufacturing and installation safety standard " is defined in when arranging elevator the car protection device for over-speed ascending must be installed; this device be used in case of emergency rapidly stop traction sheave or steel rope or to pouring weight with the stop elevator car, perhaps direct stop car.Most in the market bridge railway carriage or compartment protection device for over-speed ascending all acts on the steel rope; come stop elevator by clamping the elevator traction machine steel rope; this apparatus structure complexity, heaviness are damaged steel rope easily, and are needed certain installing space in the stop process.Also have the emergency braking apparatus of some protection device for over-speed ascending as towing machine; act directly on the traction sheave; the emergency braking apparatus that has comes the stop traction sheave by the internal perisporium face that acts on the traction sheave outer ring; as Chinese invention patent Granted publication CN1305748C disclosed a kind of " brake shoe for elevator emergency stop "; this emergency braking apparatus requires traction sheave inside to have enough spaces that this device is installed; and the internal perisporium of traction sheave outer ring also will have enough brake surfaces; when if traction sheave is narrow; that specially slot milling brake equipment is installed; and because the traction sheave width is not enough; brake area also can be not enough, and braking force is not enough to the stop traction sheave for a short time.Also having some brake equipments to act on traction sheave has on the outer ring that steel rope walks around, this brake equipment is at glancing impact wear and tear the easily surface and the steel rope of traction sheave, through after the long-term use, steel rope can be more and more thinner, need frequent more change steel rope, increase cost, and be difficult for when more change steel rope of assurance, had potential safety hazard.
In addition, China utility model patent Granted publication CN200985260Y also discloses a kind of " acting on the safety tongs on the traction sheave ", it is to cooperate or be slidingly fitted in dragging plate on the pedestal having on the pedestal longitudinally to roll, have on the dragging plate through bearing pin pivotally attached brake block assembly, one end of dragging plate is connected with a end of drag-line on being installed in pedestal one end through pull bar, the other end of drag-line is connected with the up velocity limiter of towing machine, between dragging plate and said base one end at least one retracing spring is arranged, the moving shoe plate assembly of limited customization is around the inhibiting device of bearing pin hunting range on the dragging plate, and it also comprises and can clamp the limit switch and the pressing plate that can make it conducting of actuating signal by output safety.The advantage that this patented technology has is: the safety tongs on the traction sheave has overcome above-described defective, kept prior art to act on the advantage of the brake equipment on the traction sheave, volume is little, simple in structure again, noiselessness and working stability are reliable when not working.But, also there is following shortcoming in actual use in said structure: at first, though the brake shoe sheet of this device is to brake at traction sheave not on that a part of outside face of steel rope, but because the traction sheave outside face has grooving, the payload space of braking seldom, through after the braking repeatedly, the outside face of traction sheave is worn easily, external diameter reduces, and braking effect is variation gradually, even can't brake; Secondly, when this device is installed, need the mount pad of frame and so on to come to link, need certain installing space with locating plate, and this complex structure, the Installation and Debugging difficulty, the processing and manufacturing difficulty is big, causes cost than higher.
Summary of the invention
Task of the present utility model is the emergency braking apparatus that will provide on a kind of traction sheave that acts on towing machine, it is not only simple and compact for structure, volume is little, cost is low, and can be directly installed on the towing machine, do not need to take traction sheave in-to-in installing space, need on the towing machine part, not process attachment face or brake surface specially yet, glancing impact acts directly on the two sides of traction sheave Width and can not damage traction sheave outer round surface and steel rope simultaneously, no matter how narrow traction sheave have, enough brake areas are all arranged, and be easy to arrange, install and debugging, can effectively realize emergency braking, guarantee safe in utilization.
Task of the present utility model is finished like this, emergency braking apparatus on a kind of traction sheave that acts on towing machine, described towing machine comprises frame, motor, drg, drop-gear box, traction sheave, and supporting seat, drop-gear box and supporting seat are installed on the frame respectively, be characterized in: described emergency braking apparatus comprises the first brake control lever parts, the second brake control lever parts, electromagnet, connection seat, and compression spring component, the described first brake control lever parts, the shape structure of the second brake control lever parts is identical, comprise first brake control lever respectively, second brake control lever and the first brake rubber block parts, the second brake rubber block parts, wherein: first brake control lever, the second brake control lever pivotal joint is on the left side of connection seat, right two ends, the first brake rubber block parts, the second brake rubber block parts are fixed on first brake control lever, the bottom of the second brake control lever short transverse and corresponding to the two sides of traction sheave Width, described electromagnet places first brake control lever, between second brake control lever and by first pull bar, second pull bar respectively with first brake control lever, second brake control lever fixes, described compression spring component is installed in first brake control lever, the upper end of the second brake control lever short transverse, this compression spring component comprises stage clip, press spring base, and long bolt, wherein: the two ends of long bolt are installed in first brake control lever respectively, on second brake control lever, compression spring sleeve is located on the long bolt and is spacing with press spring base; This emergency braking apparatus directly or indirectly is installed in the supporting seat of towing machine or drop-gear box by connection seat, and both appoint and select on the one.
In a specific embodiment of the present utility model, the described first brake rubber block parts comprise first screw rod, first support, first brake shoe and first brake rubber block, connect by arc surface between described first end that supports and first brake control lever, first other end that supports is connected with first brake shoe, described first brake rubber block is fixed on first brake shoe, one end of described first screw rod in turn with first support, the first brake shoe bolt, the other end of first screw rod is locked with jam nut behind the through hole that passes on first brake control lever; The described second brake rubber block parts comprise second screw rod, second support, second brake shoe and second brake rubber block, connect by arc surface between described second end that supports and second brake control lever, second other end that supports is connected with second brake shoe, described second brake rubber block is fixed on second brake shoe, one end of described second screw rod in turn with second support, the second brake shoe bolt, the other end of second screw rod is locked with jam nut behind the through hole that passes on second brake control lever.
In another specific embodiment of the present utility model, described electromagnet comprises housing, coil pack, first iron core, second iron core, the coil baffle plate, the iron core baffle plate, and guide finger, the outer part of described first iron core is connected with housing by fastener, the centre portion of first iron core is connected with second iron core by guide finger, first iron core, form an annulus chamber between second iron core and the housing, described coil pack places this annulus chamber and coil pack is fixed with fastener by described coil baffle plate, and the outside of described second iron core is fixed with the iron core baffle plate.
In another specific embodiment of the present utility model, the two ends of described long bolt are located in respectively on first brake control lever, second brake control lever in the corresponding through hole, wherein, one end of long bolt is with one first nut locking, the other end of long bolt is arranged with stage clip, one end of described stage clip is pressed on the brake control lever, and the other end of stage clip is pressed on the press spring base, and press spring base is also spacing by second nut locking that is set on the long bolt.
In another specific embodiment of the present utility model, connect by arc surface between described first end that supports and first brake control lever, be meant that first brake control lever is provided with a cancave cambered surface, first end that supports is provided with a convex globoidal that matches with cancave cambered surface, perhaps first brake control lever is provided with a convex globoidal, and first end that supports is provided with a cancave cambered surface that matches with convex globoidal; Connect by arc surface between described second end that supports and second brake control lever and be meant that second brake control lever is provided with a cancave cambered surface, second end that supports is provided with a convex globoidal that matches with cancave cambered surface, perhaps second brake control lever is provided with a convex globoidal, and second end that supports is provided with a cancave cambered surface that matches with convex globoidal.
Go back in the specific embodiment of the present utility model, described first other end that supports is connected with first brake shoe, be meant that first brake shoe is provided with a groove, first other end that supports is provided with a projection that matches with groove, or first brake shoe be provided with a projection, first other end that supports be provided with one with the protruding groove that matches; Described second other end that supports is connected with second brake shoe, be meant that second brake shoe is provided with a groove, first other end that supports is provided with a projection that matches with groove, or second brake shoe is provided with a projection, second other end that supports be provided with one with the protruding groove that matches.
In of the present utility model and then specific embodiment, described first brake control lever, second brake control lever are respectively by first straight pin, the second straight pin pivotal joint left and right two ends at connection seat.
More of the present utility model and in specific embodiment, an end of described first pull bar is connected with first iron core, the other end of first pull bar is used nut locking passing behind the corresponding through hole on first brake control lever; One end of described second pull bar is connected with second iron core, and the other end of second pull bar is used nut locking behind the corresponding through hole passing on second brake control lever.
In again of the present utility model and then specific embodiment, an end of described first pull bar is threaded with being connected to of first iron core or welds; One end of described second pull bar is threaded with being connected to of second iron core or welds.
Of the present utility model again more and in specific embodiment, described emergency braking apparatus directly or indirectly is installed on supporting seat or the drop-gear box, described direct mount be meant emergency braking apparatus by connection seat by the fastener direct mount on described supporting seat or drop-gear box, described indirect installation is meant that the support that emergency braking apparatus is set up by connection seat below is installed on described supporting seat or the drop-gear box.
The utility model is because after adopting said structure, the beneficial effect that has: at first, this emergency braking apparatus is at glancing impact, be clamped in by the brake rubber block on the brake shoe on the two sides of traction sheave Width, thereby avoided in the prior art owing to braking in the damage that the traction sheave outer round surface causes to steel rope or traction sheave outer round surface, also avoided in the prior art braking on the internal perisporium of traction sheave outer ring, to cause the potential safety hazard that brake area causes inadequately owing to wheel is narrower; Secondly, when traction sheave deforms in all cases, owing to cooperate for cambered surface between the support of brake rubber block parts and the brake control lever, therefore can carry out the adjustment of any angle to support, the brake rubber block face is fitted on the two sides of traction sheave fully, effectively increase brake area, thereby can improve braking effect, guaranteed the safety that moves; Again, this emergency braking apparatus is simple in structure with respect to the elevator wire holder, volume is little, low cost of manufacture, and, therefore, can arbitrarily be installed on all directions of traction sheave because it directly or indirectly is installed on the supporting seat or drop-gear box of towing machine, do not need special-purpose installing space, can be used as the part of towing machine.
Description of drawings
Fig. 1 is installed on an embodiment block diagram on the towing machine supporting seat for the utility model.
Fig. 2 is the structural representation of the utility model when release position.
Among the figure: 1. emergency braking apparatus, 11. the first brake control lever parts, 111. first brake control lever, 112. the first brake rubber block parts, 1121. first screw rod, 1122. first supports, 1123. first brake shoe, 1124. first brake rubber block, 11a. the second brake control lever parts, 111a, second brake control lever, 112a. the second brake rubber block parts, 1121a. second screw rod, 1122a. second supports, 1123a. second brake shoe, 1124a. second brake rubber block, 12. electromagnet, 121. housing, 122. coil pack, 123. first iron core, 124. second iron core, 125. coil baffle plate, 126. iron core baffle plate, 127. guide finger, 128. first pull bar, 129. second pull bar, 13. connection seat 14. stage clip parts, 141. stage clip, 142. press spring base, 143. long bolt, 144. first nut, 145. second nut, 15. first straight pin, 15a. second straight pin; 16. support; 2. traction sheave; 3. supporting seat; 4. drop-gear box; 5. drg; 6. motor; 7. frame.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1 and in conjunction with Fig. 2, emergency braking apparatus on a kind of traction sheave that acts on towing machine, the structure of described towing machine is not subjected to any restriction and belongs to known prior art, here repeat no more, the towing machine of Fig. 1 signal comprises frame 7, motor 6, drg 5, drop-gear box 4, traction sheave 2 and supporting seat 3, and described drop-gear box 4 and supporting seat 3 are installed in respectively on the frame 7, realizes the double bracing of towing machine, avoid main shaft to produce the amount of deflection bending, make towing machine whole stressed reasonable.Described emergency braking apparatus 1 comprises the first brake control lever parts 11, the second brake control lever parts 11a, electromagnet 12, connection seat 13 and compression spring component 14.The described first brake control lever parts 11, the shape structure of the second brake control lever parts 11a is identical, comprise first brake control lever 111 respectively, the second brake control lever 111a and the first brake rubber block parts 112, the second brake rubber block parts 112a, wherein: first brake control lever 111, the second brake control lever 111a is respectively by first straight pin 15, the second straight pin 15a pivotal joint is on the left side of connection seat 13, right two ends, make first brake control lever 111, the second brake control lever 111a can be respectively around first straight pin 15, second straight pin 15a rotation, the first brake rubber block parts 112, the second brake rubber block parts 112a is separately fixed at first brake control lever 111, the bottom of the second brake control lever 111a short transverse and corresponding to the two sides of traction sheave 2 Widths, the described first brake rubber block parts 112 comprise first screw rod 1121, first supports 1122, first brake shoe 1123 and first brake rubber block 1124, connect by arc surface between one end of described first support 1122 and first brake control lever 111, the other end of first support 1122 is connected with first brake shoe 1123, described first brake rubber block 1124 is fixed on first brake shoe 1123 and corresponding to the left surface (shown in Figure 2) of traction sheave 1 Width, one end of described first screw rod 1121 supports 1122 with first in turn, first brake shoe, 1123 bolts, the other end of first screw rod 1121 is locked with jam nut behind the through hole that passes on first brake control lever 111; The described second brake rubber block parts 112a comprises the second screw rod 1121a, second supports 1122a, the second brake shoe 1123a and the second brake rubber block 1124a, connect by arc surface between the end of the described second support 1122a and the second brake control lever 111a, second other end that supports 1122a is connected with the second brake shoe 1123a, the described second brake rubber block 1124a is fixed on that the second brake shoe 1123a goes up and corresponding to the right flank (shown in Figure 2) of traction sheave 1 Width, the end of the described second screw rod 1121a supports 1122a with second in turn, the second brake shoe 1123a bolt, the other end of the second screw rod 1121a is locked with jam nut behind the through hole that passes on the second brake control lever 111a.Connect by arc surface between one end of described first support 1122 and first brake control lever 111, be meant that first brake control lever 111 is provided with a cancave cambered surface, one end of first support 1122 is provided with a convex globoidal that matches with cancave cambered surface, perhaps first brake control lever 111 is provided with a convex globoidal, and an end of first support 1122 is provided with a cancave cambered surface that matches with convex globoidal.In the present embodiment, preferably on first brake control lever 111, be provided with cancave cambered surface, on an end of first support 1122, be provided with convex globoidal.Described second supports between the end of 1122a and the second brake control lever 111a to connect by arc surface and is meant that the second brake control lever 111a is provided with a cancave cambered surface, second end that supports 1122a is provided with a convex globoidal that matches with cancave cambered surface, perhaps the second brake control lever 111a is provided with a convex globoidal, and second end that supports 1122a is provided with a cancave cambered surface that matches with convex globoidal.In the present embodiment, preferably on the second brake control lever 111a, be provided with cancave cambered surface, on the end of the second support 1122a, be provided with convex globoidal.The other end of described first support 1122 is connected with first brake shoe 1123, be meant that first brake shoe 1123 is provided with a groove, the other end of first support 1122 is provided with a projection that matches with groove, or first brake shoe 1123 be provided with a projection, first support 1122 the other end be provided with one with the protruding groove that matches.In the present embodiment, preferably on first brake shoe 1123, be provided with groove, on the other end of first support 1122, be provided with projection.Described second other end that supports 1122a is connected with the second brake shoe 1123a, be meant that the second brake shoe 1123a is provided with a groove, first other end that supports 1122a is provided with a projection that matches with groove, or second brake shoe 1123a be provided with a projection, second other end that supports 1122a be provided with one with the protruding groove that matches.In the present embodiment, preferably on the second brake shoe 1123a, be provided with groove, on the other end of the second support 1122a, be provided with projection.Described electromagnet 12 places first brake control lever 111; between the second brake control lever 111a and by first pull bar 128; second pull bar 129 respectively with first brake control lever 111; the second brake control lever 111a fixes; this electromagnet 12 comprises housing 121; coil pack 122; first iron core 123; second iron core 124; coil baffle plate 125; iron core baffle plate 126; with guide finger 127; the outer part of described first iron core 123 is connected with housing 121 by fastener; the centre portion of first iron core 123 probes in the shell chamber of housing 121 and is connected with second iron core 124 in the shell chamber that is located at housing 121 equally by guide finger 127; and make certain working clearance of maintenance between first iron core 123 and second iron core 124; simultaneously at first iron core 123; also form an annulus chamber between the inwall of the excircle of second iron core 124 and housing 121; described coil pack 122 places this annulus chamber and fixing coil pack 122 by described coil baffle plate 125 usefulness fasteners; the outside of described second iron core 124 is fixed with iron core baffle plate 126 by fastener, and described iron core baffle plate 126 is used to protect described second iron core 124.In the present embodiment, the tapped bore of offering in advance on an end of described first pull bar 128 and first iron core 123 is spirally connected, and the other end of first pull bar 128 is used nut locking behind the corresponding through hole passing on first brake control lever 111; The tapped bore of offering in advance on one end of described second pull bar 129 and second iron core 124 is spirally connected, and the other end of second pull bar 129 is used nut locking behind the corresponding through hole passing on the second brake control lever 111a.Described compression spring component 14 is installed in first brake control lever 111, the upper end of the second brake control lever 111a short transverse, this compression spring component 14 comprises stage clip 141, press spring base 142, with long bolt 143, wherein: the two ends of described long bolt 143 are located in first brake control lever 111 respectively, the second brake control lever 111a goes up in the corresponding through hole, in the present embodiment, be bolted with first nut 144 on the left end of long bolt 143, left end corresponding through hole and first nut 144 is sunk in the counterbore on first brake control lever 111 on passing first brake control lever 111, be arranged with a stage clip 141 on the right-hand member of long bolt 143, one end of described stage clip 141 is pressed in the counterbore on the second brake control lever 111a, and the other end of stage clip 141 is pressed on the press spring base 142 and with second nut, 145 pinning press spring bases 142.
Please continue to consult Fig. 1, emergency braking apparatus 1 described in the utility model directly or indirectly is installed on supporting seat 3 or the drop-gear box 4, described direct mount be meant emergency braking apparatus 1 by connection seat 13 by the fastener direct mount on described supporting seat 3 or drop-gear box 4, described indirect installation is meant that the support 16 that emergency braking apparatus 1 is set up by connection seat 13 belows is installed on described supporting seat 3 or the drop-gear box 4.In the present embodiment, preferably the support 16 set up by connection seat 13 belows of emergency braking apparatus 1 is installed on the supporting seat 3.
Please continue to consult Fig. 1, Fig. 2, narrate principle of work of the present utility model: under normal circumstances, the elevator traction machine energized, traction sheave 2 normal operations of towing machine, the coil pack 122 of emergency braking apparatus 1 is in "on" position, first iron core 123, produce electromagnetic circuit between the working clearance three between second iron core 124 and first iron core 123 and second iron core 124, make the air gap zone produce the electromagnetic force of adhesive, make between first iron core 123 and second iron core 124 and attract each other, so, first pull bar 128 clockwise rotates around first straight pin 15 along with moving right of first iron core 123 hauls first brake control lever 111, makes the left surface of first brake rubber block, the 1124 disengaging traction sheaves 2 of first brake control lever, 111 lower ends.Meanwhile, second pull bar 129 being moved to the left along with second iron core 124, haul the second brake control lever 111a and rotate counterclockwise around the second straight pin 15a, the second brake rubber block 1124a of the second brake control lever 111a lower end breaks away from the right flank of traction sheave 2, makes traction sheave 2 keep normal operation.At this moment, drg 5 is not braked motor shaft under the situation of energising, makes motor shaft energy normal rotation.
When the elevator sudden power, coil pack 122 instantaneous dead electricity in the electromagnet 12, the instantaneous electromagnetic attraction that loses between first iron core 123 and second iron core 124, first pull bar 128, second pull bar 129 is stretchy first brake control lever 111 not just, the second brake control lever 111a, first brake control lever 111 can rotate counterclockwise around first straight pin 15 under the application force of stage clip 141, simultaneously, the second brake control lever 111a can clockwise rotate around the second straight pin 15a under the application force of stage clip 141, make first brake rubber block 1124, the second brake rubber block 1124a clamps traction sheave 2, urgent stop traction sheave 2, friction force between traction sheave 2 and the steel rope makes that the steel rope of traction car is out of service, the car stop motion.And elevator outage time, the lock torque that drg 5 produces passes to motor shaft, passes to main shaft by motor shaft again, passes to traction sheave 2 by main shaft again, and traction sheave 2 is stopped operating.But this moment has been owing to installed emergency braking apparatus 1, before drg 5 is delivered to traction sheave 2 to the lock torques that produce effectively stop traction sheave 2, reached the purpose of emergency braking, and this braking is more direct, quick, has demonstrated fully safety.The utility model supports 1122, second with first, and to support effect that 1122a is processed into cambered surface be to hang with the traction sheave 2 of car when if run-off the straight or other are out of shape when glancing impact, first supports 1122, second supports 1122a can do rotation at any angle in the arc surface groove of first brake control lever 111, the second brake control lever 111a, so that first brake rubber block 1124, the second brake rubber block 1124a can fully be fitted in the two sides of traction sheave 2 Widths and realize effective braking.
Claims (10)
1. the emergency braking apparatus on the traction sheave that acts on towing machine, described towing machine comprises frame (7), motor (6), drg (5), drop-gear box (4), traction sheave (2), and supporting seat (3), drop-gear box (4) and supporting seat (3) are installed in respectively on the frame (7), it is characterized in that described emergency braking apparatus (1) comprises the first brake control lever parts (11), the second brake control lever parts (11a), electromagnet (12), connection seat (13), and compression spring component (14), the described first brake control lever parts (11), the shape structure of the second brake control lever parts (11a) is identical, comprise first brake control lever (111) respectively, second brake control lever (111a) and the first brake rubber block parts (112), the second brake rubber block parts (112a), wherein: first brake control lever (111), second brake control lever (111a) pivotal joint is on the left side of connection seat (13), right two ends, the first brake rubber block parts (112), the second brake rubber block parts (112a) are fixed on first brake control lever (111), the bottom of second brake control lever (111a) short transverse and corresponding to the two sides of traction sheave (2) Width, described electromagnet (12) places first brake control lever (111), between second brake control lever (111a) and by first pull bar (128), second pull bar (129) respectively with first brake control lever (111), second brake control lever (111a) fixes, described compression spring component (14) is installed in first brake control lever (111), the upper end of second brake control lever (111a) short transverse, this compression spring component (14) comprises stage clip (141), press spring base (142), and long bolt (143), wherein: the two ends of long bolt (143) are installed in first brake control lever (111) respectively, on second brake control lever (111a), it is last and spacing with press spring base (142) that stage clip (141) is set in long bolt (143); This emergency braking apparatus (1) directly or indirectly is installed in the supporting seat (3) of towing machine or drop-gear box (4) by connection seat (13), and both appoint and select on the one.
2. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 1, it is characterized in that the described first brake rubber block parts (112) comprise first screw rod (1121), first supports (1122), first brake shoe (1123) and first brake rubber block (1124), connect by arc surface between one end of described first support (1122) and first brake control lever (111), first other end that supports (1122) is connected with first brake shoe (1123), described first brake rubber block (1124) is fixed on first brake shoe (1123), one end of described first screw rod (1121) supports (1122) with first in turn, first brake shoe (1123) bolt, the other end of first screw rod (1121) is locked with jam nut behind the through hole that passes on first brake control lever (111); The described second brake rubber block parts (112a) comprise second screw rod (1121a), second supports (1122a), second brake shoe (1123a) and second brake rubber block (1124a), connect by arc surface between one end of described second support (1122a) and second brake control lever (111a), second other end that supports (1122a) is connected with second brake shoe (1123a), described second brake rubber block (1124a) is fixed on second brake shoe (1123a), one end of described second screw rod (1121a) supports (1122a) with second in turn, second brake shoe (1123a) bolt, the other end of second screw rod (1121a) is locked with jam nut behind the through hole that passes on second brake control lever (111a).
3. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 1, it is characterized in that described electromagnet (12) comprises housing (121), coil pack (122), first iron core (123), second iron core (124), coil baffle plate (125), iron core baffle plate (126), and guide finger (127), the outer part of described first iron core (123) is connected with housing (121) by fastener, the centre portion of first iron core (123) is connected with second iron core (124) by guide finger (127), first iron core (123), form an annulus chamber between second iron core (124) and the housing (121), described coil pack (122) places this annulus chamber and fixing coil pack (122) with fastener by described coil baffle plate (125), and the outside of described second iron core (124) is fixed with iron core baffle plate (126).
4. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 1, the two ends that it is characterized in that described long bolt (143) are located in first brake control lever (111) respectively, second brake control lever (111a) is gone up in the corresponding through hole, wherein, one end of long bolt (143) is locked with first nut (144), the other end of long bolt (143) is arranged with stage clip (141), one end of described stage clip (141) is pressed on the brake control lever, the other end of stage clip (141) is pressed on the press spring base (142), and press spring base (142) is also spacing by second nut (145) locking that is set on the long bolt (143).
5. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 2, it is characterized in that described first supports between the end of (1122) and first brake control lever (111) and connect by arc surface, be meant that first brake control lever (111) is provided with a cancave cambered surface, first end that supports (1122) is provided with a convex globoidal that matches with cancave cambered surface, perhaps first brake control lever (111) is provided with a convex globoidal, and first end that supports (1122) is provided with a cancave cambered surface that matches with convex globoidal; Described second supports between the end of (1122a) and second brake control lever (111a) to connect by arc surface and is meant that second brake control lever (111a) is provided with a cancave cambered surface, second end that supports (1122a) is provided with a convex globoidal that matches with cancave cambered surface, perhaps second brake control lever (111a) is provided with a convex globoidal, and second end that supports (1122a) is provided with a cancave cambered surface that matches with convex globoidal.
6. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 2, it is characterized in that described first other end that supports (1122) is connected with first brake shoe (1123), be meant that first brake shoe (1123) is provided with a groove, first other end that supports (1122) is provided with a projection that matches with groove, or first brake shoe (1123) be provided with a projection, first other end that supports (1122) be provided with one with the protruding groove that matches; Described second other end that supports (1122a) is connected with second brake shoe (1123a), be meant that second brake shoe (1123a) is provided with a groove, second other end that supports (1122a) is provided with a projection that matches with groove, or second brake shoe (1123a) be provided with a projection, second other end that supports (1122a) be provided with one with the protruding groove that matches.
7. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 1 is characterized in that described first brake control lever (111), second brake control lever (111a) are respectively by first straight pin (15), second straight pin (15a) the pivotal joint left and right two ends at connection seat (13).
8. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 3, an end that it is characterized in that described first pull bar (128) is connected with first iron core (123), and the other end of first pull bar (128) is used nut locking after passing the last corresponding through hole of first brake control lever (111); One end of described second pull bar (129) is connected with second iron core (124), and the other end of second pull bar (129) is used nut locking after passing the last corresponding through hole of second brake control lever (111a).
9. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 8, an end that it is characterized in that described first pull bar (128) is threaded with being connected to of first iron core (123) or welds; One end of described second pull bar (129) is threaded with being connected to of second iron core (124) or welds.
10. the emergency braking apparatus on the traction sheave that acts on towing machine according to claim 1, it is characterized in that described emergency braking apparatus (1) directly or indirectly is installed on supporting seat (3) or the drop-gear box (4), described direct mount be meant emergency braking apparatus (1) by connection seat (13) by the fastener direct mount on described supporting seat (3) or drop-gear box (4), described indirect installation is meant that emergency braking apparatus (1) is installed on described supporting seat (3) or the drop-gear box (4) by the support of setting up below the connection seat (13) (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201740142U CN201647765U (en) | 2010-04-22 | 2010-04-22 | Emergency braking device used on traction sheave of traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201740142U CN201647765U (en) | 2010-04-22 | 2010-04-22 | Emergency braking device used on traction sheave of traction machine |
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| Publication Number | Publication Date |
|---|---|
| CN201647765U true CN201647765U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201740142U Expired - Lifetime CN201647765U (en) | 2010-04-22 | 2010-04-22 | Emergency braking device used on traction sheave of traction machine |
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| CN (1) | CN201647765U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830381A (en) * | 2010-04-22 | 2010-09-15 | 苏州通润驱动设备股份有限公司 | Emergency braking device acting on traction sheave of traction machine |
| CN102275796A (en) * | 2011-06-01 | 2011-12-14 | 苏州通润驱动设备股份有限公司 | Emergency braking device clamped on traction wheel of traction machine |
| CN104444689A (en) * | 2014-11-18 | 2015-03-25 | 苏州通润驱动设备股份有限公司 | Traction wheel safety protection device and elevator car emergency braking method thereof |
| CN105329738A (en) * | 2015-12-03 | 2016-02-17 | 宁波欣达电梯配件厂 | Elevator braking device |
| CN110219905A (en) * | 2019-06-20 | 2019-09-10 | 迈格钠磁动力股份有限公司 | A kind of centrifugation trigger-type retarder and lifting conveying device |
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2010
- 2010-04-22 CN CN2010201740142U patent/CN201647765U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830381A (en) * | 2010-04-22 | 2010-09-15 | 苏州通润驱动设备股份有限公司 | Emergency braking device acting on traction sheave of traction machine |
| CN101830381B (en) * | 2010-04-22 | 2012-07-25 | 苏州通润驱动设备股份有限公司 | Emergency braking device acting on traction sheave of traction machine |
| CN102275796A (en) * | 2011-06-01 | 2011-12-14 | 苏州通润驱动设备股份有限公司 | Emergency braking device clamped on traction wheel of traction machine |
| CN104444689A (en) * | 2014-11-18 | 2015-03-25 | 苏州通润驱动设备股份有限公司 | Traction wheel safety protection device and elevator car emergency braking method thereof |
| CN104444689B (en) * | 2014-11-18 | 2016-08-17 | 苏州通润驱动设备股份有限公司 | A kind of traction sheave safety guard and the method for urgent stop elevator car thereof |
| US11325810B2 (en) * | 2014-11-18 | 2022-05-10 | Suzhou Torin Drive Equipment Co., Ltd. | Traction sheave safety device and elevator car emergency stop method thereof |
| CN105329738A (en) * | 2015-12-03 | 2016-02-17 | 宁波欣达电梯配件厂 | Elevator braking device |
| CN105329738B (en) * | 2015-12-03 | 2018-01-02 | 宁波欣达电梯配件厂 | Brake device for elevator |
| CN110219905A (en) * | 2019-06-20 | 2019-09-10 | 迈格钠磁动力股份有限公司 | A kind of centrifugation trigger-type retarder and lifting conveying device |
| CN110219905B (en) * | 2019-06-20 | 2024-01-26 | 迈格钠磁动力股份有限公司 | Centrifugal trigger type retarder and lifting and transporting device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20120725 |