CN208577377U - A kind of wirerope break catching apparatus when multirope friction winder pulleying, over-discharge - Google Patents

Abstract

A kind of multirope friction winder pulleying, wirerope break catching apparatus when over-discharge, it is related to a kind of wirerope break catching apparatus, including base assembly, it is dynamic to carve component, pulling pin device, transverse beam assembly and guide rope device, in the inside of base assembly, evenly spaced move equipped with multiple groups carves component, transverse beam assembly is hingedly connected on the dynamic top for carving component of multiple groups, column guide rail is respectively connected in the upper surface of base assembly both ends two sides, guide rope device is connected in the upper end of column guide rail, the transverse beam assembly includes two pieces of crossbeams being involutory, it is corresponding on the opposite face of two pieces of crossbeams to offer multiple evenly spaced annular grooves, corresponding two ring groove shapes circularize hole, both sides outside two pieces of crossbeams are equipped with sliding slot, the periphery of column guide rail is arranged in sliding slot；The utility model is safe and reliable to arresting for wirerope, it is ensured that the wirerope and container declined when elevator over-discharge stops falling, and prevents pier tank, accident of cage crashing from occurring, improves safety.

Description

A kind of wirerope break catching apparatus when multirope friction winder pulleying, over-discharge

Technical field

The utility model relates to a kind of wirerope break catching apparatus, more particularly, to a kind of multirope friction winder pulleying, mistake Wirerope break catching apparatus when putting.

Background technique

Well known, mine hoist is widely used in mine field, and is responsible for entirely in mine hoisting transit link Material, underground equipment and the promotion of staff of mine convey task, and according to " safety regulations in coal mine " relevant regulations, vertical is mentioned Rise system in corresponding buffer unit and protective device should be set, make occur pulleying, over-discharge container steadily stop and no longer under It is sliding；Current elevator mainly passes through the control of driving motor, and lifting system is protected in the control of brake fluid system, but due to Its power is not to be applied directly on wirerope, and there are longer transmission chains, therefore the generation of overwind trouble is commonplace, very To the major accident for causing pier tank, disconnected rope pendant tank etc, causes people to hurt object and ruin, stop work and production；

There are mainly three types of patterns for the buffer unit of vertical shaft hoisting pulleying over-discharge both at home and abroad at present: wooden wedge guide, wirerope Winding friction roll-type buffer unit, steel band type flow buffer and supporting cage device.This three kinds of buffer units there are still different disadvantages, It is possible that different degrees of failure, is unable to ensure the complete stop motion of container of pulleying, if pulleying when generation pulleying operating condition Container continues to move, then can hit collision prevention girders, it is possible to the serious accidents such as disconnected rope, pendant tank can occur；Existing other are caught Rope, card rope device are mainly used for the static maintenance of elevator or protection when for abseiling, car slipping, are not used to promote system There is the protection of pulleying (over-discharge) operating condition in system；Other schemes are mostly made of stepper motor, lead screw etc., need complicated automatically controlled system System, and respond slow；It is therefore proposed that a kind of pulleying reserve protection, prevents the lifting system when buffer unit fails from occurring It rushes to summit, disconnected rope, fall the generation of the accidents such as tank, become the basic demand of those skilled in the art.

Utility model content

In order to overcome the shortcomings in the background art, the utility model discloses a kind of multirope friction winder pulleying, over-discharge When wirerope break catching apparatus.

In order to realize the goal of the invention, the utility model adopts the following technical solution:

A kind of wirerope break catching apparatus when multirope friction winder pulleying, over-discharge, including base assembly, it is dynamic carve component, Pulling pin device, transverse beam assembly and guide rope device, in the inside of base assembly, evenly spaced move equipped with multiple groups carves component, in multiple groups The dynamic top for carving component is hingedly connected with transverse beam assembly, is respectively connected with column guide rail in the upper surface of base assembly both ends two sides, The upper end of column guide rail is connected with guide rope device, and the transverse beam assembly includes two pieces of crossbeams being involutory, in the phase of two pieces of crossbeams Corresponding on opposite to offer multiple evenly spaced annular grooves, corresponding two ring groove shapes circularize hole, in two pieces of cross Both sides outside beam are equipped with sliding slot, and the periphery of column guide rail is arranged in sliding slot, the guide rope device include twine guide plate and Conductor rope seat, the twine guide plate, conductor rope seat are disposed as two-flap type structure, the upper end of column guide rail respectively with two pieces of twine guide plates two End is fixedly connected, evenly spaced on two pieces of twine guide plates to be equipped with multiple conductor rope seats, is equipped with semi-ring in the middle part of conductor rope seat Hole, multiple conductor rope seats on two pieces of twine guide plates are correspondingly arranged, and half annular distance between corresponding two conductor rope seats forms conductor rope Hole, it is described it is dynamic carve component include connecting rod, it is dynamic carve, pin shaft B and plane roller bearing, be equipped with connecting rod on the dynamic top both sides carved, It is connected by pin shaft B between the upper and lower part of two pieces of connecting rods, the dynamic two sides carved are disposed as V-shape, carve outside dynamic On be equipped with plane roller bearing, the upper end of connecting rod passes through pin shaft B and crossbeam is articulated and connected, on the trailing flank of base assembly Equipped with pulling pin device.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, base assembly includes pedestal, side Plate, U-board, discharge device, V-shaped groove are equipped with U-board between the step surface of two wing bases, are equipped on the side of U-board logical The side plate that bolt is fixedly connected is crossed, forms cavity between U-board and side plate, multiple bullets are equipped in the cavity, adjacent V-shaped groove is equipped between two bullets, the every two groups dynamic lower parts for carving component are separately positioned in the same V-shaped groove, and two groups It is correspondingly provided with half slot from top to bottom on the dynamic dynamic opposite face carved for carving component, groove is equipped on the bottom surface of pedestal, Groove is equipped with multiple lower baffle plates, and multiple lower baffle plates pass through the bottom surface both sides that fixing bolt is fixed on bullet, in bullet It is fixed with overhead gage above, the dynamic plane roller bearing carved on outside is arranged between overhead gage and lower baffle plate, plane rolling The outside of sub- bearing is in contact setting with the V-arrangement face of V-shaped groove, and the discharge device is separately positioned on the lower part of multiple V-shaped grooves, A wing base and another wing base including corresponding setting are equipped with rope hole between a wing base and another wing base, Half slot is equipped on the opposite face of one wing base and another wing base, two semicircular slot forms the rope hole, multiple conductor ropes Rope guiding hole, multiple looping pits on two pieces of crossbeams, two groups of dynamic half slots carved on opposite face and the rope hole at seat middle part are up and down It is correspondingly arranged.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, the pulling pin device includes pulling pin Snap-gauge, pulling pin seat, U-shaped fork, pin shaft A, oil cylinder and cylinder bracket, cylinder bracket are fixed on the trailing flank of side plate, in oil cylinder branch The top of frame has been equipped at intervals with oil cylinder and pulling pin seat, safety plug is equipped in pulling pin seat, one end of safety plug is set as rectangle Sliding shoe, sliding shoe is arranged in the internal slide of pulling pin seat, is set as U-shaped fork in the other end of safety plug, the U-shaped fork is logical It crosses hinged pin shaft A to connect with oil cylinder, pulling pin snap-gauge is fixed in the middle part of the upper surface of two pieces of crossbeams, in the two sides on pulling pin snap-gauge top There is bearing pin between plate, the lower part of bearing pin is arranged in the sliding shoe of safety plug one end.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge further includes being arranged in two pieces of crossbeams Balance weight assembly outside both ends, balance weight assembly include upper plate, fixed link, nut and clump weight, are set at the top interval of clump weight There is upper plate, is equipped with card slot in the upper surface of clump weight two sides, the lower end of fixed link is arranged in card slot and connects by the way that nut is fixed It connects, the upper end of fixed link passes through nut respectively and is fixedly connected with the two sides of upper plate, and the both ends of two pieces of crossbeams are separately positioned on upper plate It is in contact between clump weight, and below the upper surface of two pieces of crossbeams and upper plate, the upper surface of with clump weight below two pieces of crossbeams It is in contact.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, the pedestal are fixed on derrick Or on the leveling below derrick directive wheel.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, the conductor rope in the middle part of multiple conductor rope seats Hole, multiple looping pits on two pieces of crossbeams, two groups of dynamic quantity for carving half slot and rope hole on opposite face with elevator steel The quantity of cord head rope is corresponding.

It is arranged below wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, oil cylinder and collision prevention girders Triggering oil cylinder pass through oil pipe connect.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, dynamic wedge are all made of alloy steel material.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, two pieces of crossbeams difference being involutory It is connected by multiple fixing bolts.

By adopting the above-described technical solution, the utility model has the following beneficial effects:

1, wirerope break catching apparatus when multirope friction winder pulleying described in the utility model, over-discharge, elevator Wirerope sequentially passes through the rope guiding hole in the middle part of conductor rope seat, the looping pit on two pieces of crossbeams 13, two groups of dynamic half carved on 19 opposite faces Circular groove and rope hole 31 make to carve to roll with the V-arrangement face of V-shaped groove and rub by the way that plane roller bearing is arranged on the dynamic outside carved Wipe, when in V-shaped groove corresponding two it is dynamic carve component and move downward make, then wirerope is clamped, so that wirerope be made to exist For dynamic wedge to opposite sliding is stopped under the action of its frictional force, the utility model is safe and reliable to arresting for wirerope, it is ensured that is promoted The wirerope and container declined when machine over-discharge stops falling, and prevents pier tank, accident of cage crashing from occurring；

2, the utility model is equipped with sliding slot by the both sides outside two pieces of crossbeams, and the periphery setting of column guide rail exists In sliding slot, occur beat when preventing crossbeam from moving, is mounted on balance weight assembly at the both ends of two pieces of crossbeams, it is horizontal when being emergency action The whereabouts of beam provides power, and to provide certain pressing force when dynamic wedge clamping steel wire rope；

3, the utility model is by the way that the triggering oil cylinder being arranged below oil cylinder and collision prevention girders to be connect by oil pipe, when there is outside When oil pressure effect makes its emergency action, the pin for limiting crossbeam position pulling pin snap-gauge can be pulled out, effect of the crossbeam in clump weight It is lower to drive dynamic wedge component whereabouts clamping steel wire rope；Two pieces of corresponding structures are set by crossbeam, it is hinged by connecting rod and dynamic wedge Connection is able to drive multiple dynamic wedge component synchronizations and moves up and down；Two pieces of crossbeams, guide rope device are made into two-flap type to clamping structure, This wirerope break catching apparatus can be made to be installed in the case where not influencing elevator and wirerope standing state, be not necessarily to elevator steel wire Rope therefrom penetrate again, only need to by two-flap type component by wirerope to be clipped in wherein greatly reduce scene erector It measures, is conducive to the technological transformation of existing elevator.

4, the utility model is not necessarily to external power supply in movement, is not necessarily to electric control system, movement is fast and reliable, and has Good versatility also can be used as card rope device when promoting machine overhauling, changing rope and use, substitute legacy card rope in order to standardize Device reduces the workload of in-site installation, operation, improves safety.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the dynamic structural schematic diagram for carving component of the utility model；

Fig. 3 is the dynamic side view for carving component of the utility model；

Fig. 4 is the schematic perspective view of the utility model base assembly；

Fig. 5 is the structural schematic diagram of the utility model base assembly；

In figure: 1, column guide rail；2, annular groove；3, pulling pin seat；4, twine guide plate；5, conductor rope seat；6, upper plate；7, fixed link；8, Nut；9, clump weight；10, U-shaped fork；11, pin shaft A；12, oil cylinder；13, crossbeam；14, cylinder bracket；15, it moves and carves component；16, side Plate；17, pin shaft B；18, connecting rod；19, it moves and carves；20, plane roller bearing；21, V-arrangement face；22, U-board；23, screw；24, upper gear Plate；25, bolt；26, discharge device；27, V-shaped groove；28, pedestal；29, lower baffle plate；30, groove；31, rope hole；32, side bottom Seat；33, another wing base；34, bullet；35, pulling pin snap-gauge.

Specific embodiment

By the following examples can detailed explanation the utility model, the open purpose of the present invention is intended to protect this hair All technological improvements in bright range.

Wirerope break catching apparatus in conjunction with described in attached drawing 1-5 when multirope friction winder pulleying, over-discharge, including pedestal group Part moves and carves component 15, pulling pin device, transverse beam assembly and guide rope device, evenly spaced equipped with multiple groups in the inside of base assembly It is dynamic to carve component 15, it is hingedly connected with transverse beam assembly on the dynamic top for carving component 15 of multiple groups, in the upper surface of base assembly both ends two sides It is respectively connected with column guide rail 1, is connected with guide rope device in the upper end of column guide rail 1, the transverse beam assembly includes two pieces and is involutory Crossbeam 13, it is corresponding on the opposite face of two pieces of crossbeams 13 to offer multiple evenly spaced annular grooves 2, corresponding two A annular groove 2 forms looping pit, is equipped with sliding slot on the both sides of two pieces of 13 outsides of crossbeam, the periphery of column guide rail 1 is arranged in cunning In slot, the guide rope device includes twine guide plate 4 and conductor rope seat 5, and the twine guide plate 4, conductor rope seat 5 are disposed as two-flap type structure, The upper end of column guide rail 1 is fixedly connected with the both ends of two pieces of twine guide plates 4 respectively, evenly spaced on two pieces of twine guide plates 4 to set There are multiple conductor rope seats 5, be equipped with half annular distance at the middle part of conductor rope seat 5, the correspondence of multiple conductor rope seats 5 on two pieces of twine guide plates 4 is set Set, half annular distance between corresponding two conductor rope seats 5 forms rope guiding hole, it is described it is dynamic carve component 15 include connecting rod 18, it is dynamic carve 19, Pin shaft B17 and plane roller bearing 20 are equipped with connecting rod 18, the upper and lower part of two pieces of connecting rods 18 moving the top both sides for carving 19 Between connected by pin shaft B17, dynamic 19 two sides of carving are disposed as V-shape, and plane rolling is equipped on 19 outsides in dynamic carve Sub- bearing 20, the upper end of connecting rod 18 passes through pin shaft B17 and crossbeam 13 is articulated and connected, and is equipped with and draws on the trailing flank of base assembly Pin assembly.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, base assembly includes pedestal 28, side Plate 16, U-board 22, discharge device 26, V-shaped groove 27 are equipped with U-board 22, in U-board 22 between the step surface of two wing bases 28 Side be equipped with the side plate 16 being fixedly connected by bolt 25, cavity is formed between U-board 22 and side plate 16, in the cavity Equipped with multiple bullets 34, V-shaped groove 27 is equipped between two neighboring bullet 34, the every two groups dynamic lower parts for carving component 15 are equal It is separately positioned in the same V-shaped groove 27, two groups dynamic to carve dynamic carve of component 15 and be correspondingly provided with from top to bottom on 19 opposite face Half slot, groove 30 is equipped on the bottom surface of pedestal 28, is equipped with multiple lower baffle plates 29 in groove 30, multiple lower baffle plates 29 are logical The bottom surface both sides that fixing bolt is fixed on bullet 34 are crossed, are fixed with overhead gage 24 in the upper surface of bullet 34, it is dynamic to carve 19 Plane roller bearing 20 on outside is arranged between overhead gage 24 and lower baffle plate 29, the outside of plane roller bearing 20 and V-arrangement The V-arrangement face 21 of slot 27 is in contact setting, and the discharge device 26 is separately positioned on the lower part of multiple V-shaped grooves 27 comprising opposite The wing base 32 and another wing base 33 that should be arranged are equipped with rope hole 31 between a wing base 32 and another wing base 33, Half slot is equipped on the opposite face of a wing base 32 and another wing base 33, two semicircular slot forms the rope hole 31, The rope guiding hole at 5 middle part of multiple conductor rope seats, multiple looping pits on two pieces of crossbeams 13, two groups of dynamic half slots carved on 19 opposite faces and Rope hole 31 is correspondingly arranged up and down.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, the pulling pin device includes pulling pin Snap-gauge 35, pulling pin seat 3, U-shaped fork 10, pin shaft A11, oil cylinder 12 and cylinder bracket 14, after cylinder bracket 14 is fixed on side plate 16 On side, it has been equipped at intervals with oil cylinder 12 and pulling pin seat 3 on the top of cylinder bracket 14, safety plug, insurance are equipped in pulling pin seat 3 One end of pin is set as rectangular sliding shoe, and sliding shoe is arranged in the internal slide of pulling pin seat 3, sets in the other end of safety plug It is set to U-shaped fork 10, the U-shaped fork 10 is connect by hinged pin shaft A11 with oil cylinder 12, and pulling pin snap-gauge 35 is fixed on two pieces of crossbeams , there is bearing pin at the upper surface of 13 middle parts between the both side plate on 35 top of pulling pin snap-gauge, and the sliding shoe setting of safety plug one end exists The lower part of bearing pin.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge further includes being arranged in two pieces of crossbeams Balance weight assembly outside 13 both ends, balance weight assembly includes upper plate 6, fixed link 7, nut 8 and clump weight 9, on the top of clump weight 9 It is equipped at intervals with upper plate 6, is equipped with card slot in the upper surface of clump weight 9 two sides, the lower end of fixed link 7 is arranged in card slot and passes through spiral shell Mother is fixedly connected, and the upper end of fixed link 7 passes through nut respectively and is fixedly connected with the two sides of upper plate 6, the both ends point of two pieces of crossbeams 13 It She Zhi not be in contact between upper plate 6 and clump weight 9, and below the upper surface of two pieces of crossbeams 13 and upper plate 6, two pieces of crossbeams 13 It is in contact below with the upper surface of clump weight 9.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, the pedestal 28 are fixed on derrick On leveling below upper or derrick directive wheel.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, the conductor rope at multiple 5 middle parts of conductor rope seats Hole, multiple looping pits on two pieces of crossbeams 13, two groups of dynamic quantity for carving half slot and rope hole 31 on 19 opposite faces with mention The quantity for rising machine wirerope head rope is corresponding.

It is set below wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, oil cylinder 12 and collision prevention girders The triggering oil cylinder set is connected by oil pipe.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, dynamic wedge 19 are all made of alloy steel products Material.

Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, two pieces of crossbeams 13 being involutory divide It is not connected by multiple fixing bolts.

Implement wirerope break catching apparatus when multirope friction winder pulleying described in the utility model, over-discharge, pedestal 28 It is fixed on the leveling on derrick or below derrick directive wheel, every wirerope of elevator is made to correspond respectively to the V of pedestal 28 The position of shape slot 27, every wirerope of elevator are each passed through the centre bore of conductor rope seat 5, by two pieces of crossbeams 13 wirerope It is clipped in corresponding looping pit respectively, two pieces of crossbeams 13 are connected by fixing bolt, and whole crossbeam 13 is moved to highest At position, crossbeam is locked to the highest position of column guide rail 1 by the pin that connect with pulling pin snap-gauge 35, carves component for dynamic 15 are separately mounted in V-shaped groove 27, and the dynamic plane roller bearing 20 carved on 19 outsides is limited by overhead gage 24 and lower baffle plate 29, The outside of plane roller bearing 20 is contacted with 21 rolling friction of V-arrangement face of V-shaped groove 27, and wirerope sequentially enters two groups and dynamic carves 19 phases Half slot, rope hole 31 on opposite；When first installation, transverse beam assembly is jacked to highest position by artificial external force, together When the rectangular sliding shoe of safety plug is protruded horizontally up, penetrate the lower section of 35 bearing pin of pulling pin snap-gauge, then cancel artificial outer Power can make the bearing pin of pulling pin snap-gauge 35 be pressed in the surface of safety plug sliding shoe, Chang Weishi, crossbeam 13 and dynamic wedge component 15 It is defined in highest position Deng by safety plug, safety plug bears gravity；When pulleying occurs for elevator, the hoisting container of uplifted side The triggering oil cylinder below collision prevention girders will be hit after buffer unit failure, the triggering compressed oil liquid of oil cylinder is transferred to decline side and grabs The oil cylinder 12 of device for catching, oil cylinder 12 is under the action of triggering cylinder oil by the sliding shoe of safety plug one end under bearing pin Portion pulls out, and the bearing pin of the sliding shoe and pulling pin snap-gauge 35 that make safety plug one end is detached from, i.e., separates with crossbeam 13, and oil cylinder 12 is dynamic Make initiation crossbeam 13 to move downward in the active force of clump weight 9, so that crossbeam 13 keeps multiple dynamic wedge components 15 same by connecting rod 18 Step moves downward and clamping steel wire rope, because wedge type self-locking mechanism acts on, moves the maximum friction that wedge component 15 can provide wirerope Power is greater than the quiet tension of decline side wirerope, to make to decline the stop motion of side container；Pulleying occurs when elevator reversely rotates When, when original decline side container is as side container generation pulleying operating condition is above proposed, the operating principle of wirerope break catching apparatus is same as above.

The non-detailed portion of the utility model is the prior art.

The embodiment selected herein to disclose the goal of the invention of the utility model, is presently considered to be suitable, However, it should be understood that the utility model is intended to include the institute for the embodiment that all belong within the scope of this design and utility model It changes and improves.

Claims (9)

1. wirerope break catching apparatus when a kind of multirope friction winder pulleying, over-discharge, including base assembly, dynamic carve component, draws Pin assembly, transverse beam assembly and guide rope device, it is characterized in that: carving group in evenly spaced move equipped with multiple groups in the inside of base assembly Part is hingedly connected with transverse beam assembly on the dynamic top for carving component of multiple groups, is respectively connected in the upper surface of base assembly both ends two sides vertical Column guide rail is connected with guide rope device in the upper end of column guide rail, and the transverse beam assembly includes two pieces of crossbeams being involutory, at two pieces Corresponding on the opposite face of crossbeam to offer multiple evenly spaced annular grooves, corresponding two ring groove shapes circularize hole, Both sides outside two pieces of crossbeams are equipped with sliding slot, and the periphery of column guide rail is arranged in sliding slot, and the guide rope device includes Twine guide plate and conductor rope seat, the twine guide plate, conductor rope seat are disposed as two-flap type structure, and the upper end of column guide rail is led with two pieces respectively The both ends of rope plate are fixedly connected, evenly spaced equipped with multiple conductor rope seats on two pieces of twine guide plates, equal at the middle part of conductor rope seat Equipped with half annular distance, multiple conductor rope seats on two pieces of twine guide plates are correspondingly arranged, half annular distance between corresponding two conductor rope seats Form rope guiding hole, it is described it is dynamic carve component include connecting rod, it is dynamic carve, pin shaft B and plane roller bearing, be all provided on the dynamic top both sides carved There is connecting rod, connected by pin shaft B between the upper and lower part of two pieces of connecting rods, the dynamic two sides carved are disposed as V-shape, dynamic It carves and is equipped with plane roller bearing on outside, the upper end of connecting rod passes through pin shaft B and crossbeam is articulated and connected, after base assembly Side is equipped with pulling pin device.

2. wirerope break catching apparatus when multirope friction winder pulleying according to claim 1, over-discharge, it is characterized in that: Base assembly includes pedestal, side plate, U-board, discharge device, V-shaped groove, and U-board is equipped between the step surface of two wing bases, The side of U-board is equipped with the side plate being bolted to connection, and forms cavity between U-board and side plate, sets in the cavity There are multiple bullets, V-shaped groove is equipped between two neighboring bullet, the every two groups dynamic lower parts for carving component are separately positioned on In the same V-shaped groove, half slot from top to bottom is correspondingly provided on two groups of dynamic dynamic opposite faces carved for carving component, in pedestal Bottom surface is equipped with groove, is equipped with multiple lower baffle plates in groove, multiple lower baffle plates pass through the bottom that fixing bolt is fixed on bullet Face both sides are fixed with overhead gage in the upper surface of bullet, the dynamic plane roller bearing setting carved on outside in overhead gage and Between lower baffle plate, the outside of plane roller bearing is in contact setting with the V-arrangement face of V-shaped groove, and the discharge device is separately positioned on The lower part of multiple V-shaped grooves comprising a wing base and another wing base for corresponding setting, in a wing base and another wing base Between be equipped with rope hole, be equipped with half slot on the opposite face of a wing base and another wing base, two semicircular slot forms described Rope hole, the rope guiding hole in the middle part of multiple conductor rope seats, multiple looping pits on two pieces of crossbeams, two groups of dynamic semicircles carved on opposite face Slot and rope hole are correspondingly arranged up and down.

3. wirerope break catching apparatus when multirope friction winder pulleying according to claim 1, over-discharge, it is characterized in that: The pulling pin device includes that pulling pin snap-gauge, pulling pin seat, U-shaped fork, pin shaft A, oil cylinder and cylinder bracket, cylinder bracket are fixed on side plate Trailing flank on, be equipped at intervals with oil cylinder and pulling pin seat on the top of cylinder bracket, in pulling pin seat be equipped with safety plug, safety plug One end be set as rectangular sliding shoe, sliding shoe is arranged in the internal slide of pulling pin seat, is arranged in the other end of safety plug For U-shaped fork, the U-shaped fork is connect by hinged pin shaft A with oil cylinder, and pulling pin snap-gauge is fixed in the middle part of the upper surface of two pieces of crossbeams, There is bearing pin between the both side plate on pulling pin snap-gauge top, the lower part of bearing pin is arranged in the sliding shoe of safety plug one end.

4. wirerope break catching apparatus when multirope friction winder pulleying according to claim 1, over-discharge, it is characterized in that: It further include the balance weight assembly being arranged in outside two pieces of crossbeam both ends, balance weight assembly includes upper plate, fixed link, nut and clump weight, It is equipped at intervals with upper plate on the top of clump weight, is equipped with card slot in the upper surface of clump weight two sides, the lower end of fixed link is arranged in card It is fixedly connected in slot and by nut, the upper end of fixed link passes through nut respectively and is fixedly connected with the two sides of upper plate, two pieces of crossbeams Both ends be separately positioned between upper plate and clump weight, and be in contact below the upper surface of two pieces of crossbeams and upper plate, two pieces of crossbeams Below be in contact with the upper surface of clump weight.

5. wirerope break catching apparatus when multirope friction winder pulleying according to claim 2, over-discharge, it is characterized in that: The pedestal is fixed on the leveling on derrick or below derrick directive wheel.

6. wirerope break catching apparatus when multirope friction winder pulleying according to claim 1, over-discharge, it is characterized in that: Rope guiding hole in the middle part of multiple conductor rope seats, multiple looping pits on two pieces of crossbeams, two groups of dynamic half slot and rope stretchings carved on opposite face The quantity in hole is corresponding with the quantity of steel wire rope of hoist head rope.

7. wirerope break catching apparatus when multirope friction winder pulleying according to claim 3, over-discharge, it is characterized in that: Oil cylinder is connect with the triggering oil cylinder being arranged below collision prevention girders by oil pipe.

8. wirerope break catching apparatus when multirope friction winder pulleying according to claim 1, over-discharge, it is characterized in that: Dynamic wedge is all made of alloy steel material.

9. wirerope break catching apparatus when multirope friction winder pulleying according to claim 1, over-discharge, it is characterized in that: Two pieces of crossbeams being involutory pass through multiple fixing bolts respectively and connect.