CN208790977U - A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge - Google Patents
A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge Download PDFInfo
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- CN208790977U CN208790977U CN201820810417.8U CN201820810417U CN208790977U CN 208790977 U CN208790977 U CN 208790977U CN 201820810417 U CN201820810417 U CN 201820810417U CN 208790977 U CN208790977 U CN 208790977U
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Abstract
A kind of multi-rope friction hoisting machine pulleying, automatic safety device when over-discharge, it is related to a kind of automatic safety device, including cushion cylinder pedestal, break catching apparatus, above mention side container, decline side container and wirerope, cushion cylinder pedestal parallel interval is mounted in derrick collision prevention girders, multiple cushion cylinders are equipped at intervals in the two sides of cushion cylinder pedestal, it is evenly spaced outside cushion cylinder pedestal two sides to be equipped with multiple triggering oil cylinders, two supporting beams disposed in parallel are equipped at intervals between two cushion cylinder pedestals, break catching apparatus is fixed in two supporting beams, it respectively corresponds to be equipped in the lower part of two sets of break catching apparatus and above mentions side container and decline side container, the steel wire penetrating of elevator one end wherein after a set of break catching apparatus with above mention side container and connect, after the another set of break catching apparatus of the steel wire penetrating of the elevator other end under Container connection in side is dropped；The utility model ensures the whereabouts of wirerope and container when elevator over-discharge, prevents pier tank, accident of cage crashing from occurring.
Description
Technical field
The utility model relates to a kind of automatic safety devices, more particularly, to a kind of multi-rope friction hoisting machine pulleying, mistake
Automatic safety device when putting.
Background technique
Well known, mine hoist is widely used in mine field at present, and elevator is in mine hoisting transit link
Key equipment is responsible for material, underground equipment and the promotion of staff the conveying task of entire mine.
The solution of the problem of lifting system pulleying at present is concentrated mainly in the research to elevator, i.e., mainly by promotion
The control of machine driving motor and the control of brake fluid system are protected；But coupling between elevator and hoisting container is
It is realized by this flexible body of wirerope, similar pulleying etc. is occurring in emergency circumstances, even if elevator can be made quickly
It is dynamic, but due to the effect of inertia, the hoisting container of rising is inevitable, and there are also the trend of upper punching, if the trend of this upper punching cannot pass through
Effectively reliable means are restrained, then slack rope is inevitable, if it is most dangerous that hoisting container at this time, which is not controlled,.It crosses
Roll up risings, slack rope, reversed whereabouts, Dun rope, disconnected rope, pendant tank, in some instances it may even be possible to occur tension difference transfinite, the pair that rub skidding, damper brake
The various fortuitous events such as failure, elevator driving out of control cause people to hurt object and ruin, stop work and production；According to " safety regulations in coal mine "
407 regulations, " in pulleying and distance of overfall, should install the buffer unit of reliable performance.Buffer unit should can will at full speed
Perhaps counterweight smoothly stops and guarantees no longer reversely downslide or rebound the container of pulleying (over-discharge)." therefore, vertical mentions
Rise setting pulleying buffering, Tank-supporting device is very necessary.
To the research of vertical shaft hoisting pulleying over-discharge buffer unit, there are mainly three types of patterns both at home and abroad at present: wooden wedge shape tank
Road, wirerope-winding friction roll-type buffer unit, steel band type flow buffer and supporting cage device.Wooden wedge guide is buffered as pulleying
Protective device, low in cost, installation is simple, easy to maintenance, but its braking ability is affected by environment, poor reliability, at present
It is not recommended that using；Wirerope-winding friction its braking characteristic of roll-type buffer unit is difficult to be difficult to protect under conditions of being failure to actuate for a long time
It is fixed to keep steady；Its braking ability of steel band check buffer unit is influenced by steel band steel, environment, and when braking, steel band, which is elongated, to attenuate,
When by high speed impact, steel band is easily broken, is not suitable for hypervelocity pulleying；Therefore, while in addition to hoister control, also must
Hoisting container must be controlled to solve the protection problem of vertical shaft hoisting pulleying.
Summary of the invention
In order to overcome the shortcomings in the background art, the utility model discloses a kind of multi-rope friction hoisting machine pulleying, mistake
Automatic safety device when putting.
In order to realize the goal of the invention, the utility model adopts the following technical solution:
A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge, including cushion cylinder pedestal, arrest dress
Set, above mention side container, decline side container and wirerope, the cushion cylinder pedestal be set as two, and the installation of parallel interval
In derrick collision prevention girders, multiple cushion cylinders are equipped at intervals in the two sides of cushion cylinder pedestal, in cushion cylinder pedestal two sides
Outside it is evenly spaced be equipped with multiple triggering oil cylinders, be equipped at intervals between two cushion cylinder pedestals two it is disposed in parallel
Supporting beam is fixed with break catching apparatus in two supporting beams, respectively corresponds to be equipped in the lower part of two sets of break catching apparatus and above mentions
Side container and decline side container, the steel wire penetrating of elevator one end wherein after a set of break catching apparatus with above mention side container and connect,
It is connect after the another set of break catching apparatus of the steel wire penetrating of the elevator other end with decline side container.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge is arranged in cushion cylinder pedestal two
Multiple cushion cylinders of side respectively with above mention side container, decline side container up and down be correspondingly arranged, be arranged in cushion cylinder pedestal two
Multiple triggering oil cylinders outside side respectively with above mention side container, decline side container is correspondingly arranged up and down, the stroke of the cushion cylinder
End is below the end of travel of triggering oil cylinder.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge, including base assembly, dynamic carve group
Part, 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,
The dynamic top for carving component of multiple groups is hingedly connected with transverse beam assembly, is respectively connected with column guide in the upper surface of base assembly both ends two sides
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, in two pieces of crossbeams
Opposite face on it is corresponding offer multiple evenly spaced annular grooves, corresponding two ring groove shapes circularize hole, two
Both sides outside block crossbeam are equipped with sliding slot, and the periphery of column guide rail is arranged in sliding slot, and the guide rope device includes conductor rope
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
Both ends be fixedly connected, on two pieces of twine guide plates it is evenly spaced be equipped with multiple conductor rope seats, be equipped in the middle part of conductor rope seat
Half annular distance, multiple conductor rope seats on two pieces of twine guide plates are correspondingly arranged, and half annular distance between corresponding two conductor rope seats is formed
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 equipped with company on the dynamic top both sides carved
Bar is connected by pin shaft B between the upper and lower part of two pieces of connecting rods, passes through pin between the dynamic upper end and two pieces of connecting rod lower parts carved
Axis B connection, the dynamic two sides carved are disposed as V-shape, are equipped with plane roller bearing on outside in dynamic carve, the upper end of connecting rod is equal
It is articulated and connected by pin shaft B and crossbeam, pulling pin device is equipped on the trailing flank of base assembly.
Automatic safety device when the multi-rope friction hoisting machine 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.
Automatic safety device when the multi-rope friction hoisting machine 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, and oil cylinder and triggering oil cylinder pass through oil
Pipe connection.
Automatic safety device when the multi-rope friction hoisting machine 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.
Automatic safety device when the multi-rope friction hoisting machine 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.
Automatic safety device when the multi-rope friction hoisting machine 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.
Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, in the oil outlet of cushion cylinder
It is circumscribed with plug type overflow valve group.
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, two groups of dynamic half slots carved on opposite face
And rope hole makes to carve the V-arrangement face rolling friction with V-shaped groove, works as V by the way that plane roller bearing is arranged on the dynamic outside carved
In shape slot corresponding two it is dynamic carve component and move downward make, then wirerope is clamped, to make wirerope in dynamic wedge pair
Stop opposite sliding under the action of its frictional force, the utility model is safe and reliable to arresting for wirerope, it is ensured that elevator over-discharge
When the wirerope that declines and container stop falling, prevent 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, and can Reusability after accident.
5, the utility model is connected with adjustable inserting overflow valve in the oil outlet of cushion cylinder, easy to adjust, can be right
The braking deceleration of overtravel protection system is adjusted；Retarding braking, large carrying capacity, system are carried out by the way of cushion cylinder
Dynamic deceleration is constant, brake safe, reliable, steady.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model break catching apparatus；
Fig. 3 is the structural schematic diagram of the utility model base assembly；
Fig. 4 is the front view of the utility model base assembly；
Fig. 5 is the dynamic structural schematic diagram for carving component of the utility model；
Fig. 6 is the dynamic side view for carving component of the utility model；
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, pulling pin snap-gauge；18, break catching apparatus；19, cushion cylinder pedestal；20, cushion cylinder；21, oil cylinder is triggered；22, wirerope；
23, side container is above mentioned；24, decline side container；25, U-shaped board；26, screw；27, overhead gage；28, bolt；29, discharge device；
30, V-shaped groove；31, pedestal；32, lower baffle plate；33, groove；34, rope hole；35, a wing base；36, another wing base；37, it bores
Body；38, V-arrangement face；39, pin shaft B；40, connecting rod；41, it moves and carves；42, plane roller bearing.
Specific embodiment
By the following examples can detailed explanation the utility model, open the purpose of this utility model is intended to protect
All technological improvements in the scope of the utility model.
Automatic safety device in conjunction with described in attached drawing 1-6 when multi-rope friction hoisting machine pulleying, over-discharge, including buffering oil
Cylinder bottom seat 19, break catching apparatus 18, above mention side container 23, decline side container 24 and wirerope 22, the cushion cylinder pedestal 19 set
It is set to two, and parallel interval is mounted in derrick collision prevention girders, is equipped at intervals in the two sides of cushion cylinder pedestal 19 multiple
Cushion cylinder 20, it is evenly spaced outside 19 two sides of cushion cylinder pedestal to be equipped with multiple triggering oil cylinders 21, it is buffered at two
It is equipped at intervals with two supporting beams disposed in parallel between cylinder pedestal 19, is fixed with break catching apparatus in two supporting beams
18, the lower part of two sets of break catching apparatus 18 respectively correspond be equipped with above mention side container 23 and decline side container 24, elevator one end
Wirerope 22 pass through after a set of break catching apparatus 18 with above mention side container 23 and connect, the wirerope 22 of the elevator other end passes through
It is connect after another set of break catching apparatus 18 with decline side container 24.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge is arranged in cushion cylinder pedestal 19
Multiple cushion cylinders 20 of two sides respectively with above mention side container 23, about 24 side container of decline is correspondingly arranged, setting is oily in buffering
Multiple triggering oil cylinders 21 outside 19 two sides of cylinder bottom seat respectively with above mention side container 23, about 24 side container of decline is correspondingly arranged, institute
The end of travel for stating cushion cylinder 20 is below the end of travel of triggering oil cylinder 21.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge, including base assembly, dynamic carve component
15, 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 15,
It is hingedly connected with transverse beam assembly on the dynamic top for carving component 15 of multiple groups, is respectively connected with column in the upper surface of base assembly both ends two sides
Guide rail 1 is connected with guide rope device in the upper end of column guide rail 1, and the transverse beam assembly includes two pieces of crossbeams being involutory 13, two
Corresponding on the opposite face of block crossbeam 13 to offer multiple evenly spaced annular grooves 2, corresponding two annular grooves 2 form ring
Shape hole is equipped with sliding slot on the both sides of two pieces of 13 outsides of crossbeam, and the periphery of column guide rail 1 is arranged in sliding slot, the conductor 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, column guide rail 1 it is upper
End 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 be equipped with multiple conductor rope seats 5,
It is equipped with half annular distance at the middle part of conductor rope seat 5, multiple conductor rope seats 5 on two pieces of twine guide plates 4 are correspondingly arranged, and corresponding two
Half annular distance between conductor rope seat 5 forms rope guiding hole, and the dynamic component 15 of carving includes connecting rod 40, moves and carve 41, pin shaft B39 and plane rolling
Sub- bearing 42 is equipped with connecting rod 40 moving the top both sides for carving 41, passes through pin shaft between the upper and lower part of two pieces of connecting rods 40
B39 connection, dynamic carve connect between 41 upper end and two pieces of 40 lower parts of connecting rod by pin shaft B39, move and carve 41 two sides and be respectively provided with
For V-shape, it is equipped with plane roller bearing 42 on 41 outsides in dynamic carve, the upper end of connecting rod 40 passes through pin shaft B39 and crossbeam 13
Articulated connection is equipped with pulling pin device on the trailing flank of base assembly.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge, base assembly includes pedestal 31, side
Plate 16, U-board 25, discharge device 29, V-shaped groove 30 are equipped with U-board 25, in U-board 25 between the step surface of two wing bases 31
Side be equipped with the side plate 16 being fixedly connected by bolt 28, cavity is formed between U-board 25 and side plate 16, in the cavity
Equipped with multiple bullets 37, V-shaped groove 30 is equipped between two neighboring bullet 37, the every two groups dynamic lower parts for carving component 15 are equal
It is separately positioned in the same V-shaped groove 30, two groups dynamic to carve dynamic carve of component 15 and be correspondingly provided with from top to bottom on 41 opposite face
Half slot, groove 33 is equipped on the bottom surface of pedestal 31, is equipped with multiple lower baffle plates 32 in groove 33, multiple lower baffle plates 32 are logical
The bottom surface both sides that fixing bolt is fixed on bullet 37 are crossed, are fixed with overhead gage 27 in the upper surface of bullet 37, it is dynamic to carve 41
Plane roller bearing 42 on outside is arranged between overhead gage 27 and lower baffle plate 32, the outside of plane roller bearing 42 and V-arrangement
The V-arrangement face 38 of slot 30 is in contact setting, and the discharge device 29 is separately positioned on the lower part of multiple V-shaped grooves 30 comprising opposite
The wing base 35 and another wing base 36 that should be arranged are equipped with rope hole 34 between a wing base 35 and another wing base 36,
Half slot is equipped on the opposite face of a wing base 35 and another wing base 36, two semicircular slot forms the rope hole 34,
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 41 opposite faces and
Rope hole 34 is correspondingly arranged up and down.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge, the pulling pin device includes pulling pin
Snap-gauge 17, 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 17 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 17 top of pulling pin snap-gauge, and the sliding shoe setting of safety plug one end exists
The lower part of bearing pin, oil cylinder 12 are connect with triggering oil cylinder 21 by oil pipe.
Automatic safety device when the multi-rope friction hoisting machine 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.
Automatic safety device when the multi-rope friction hoisting machine 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 34 on 41 opposite faces with mention
The quantity for rising machine wirerope head rope is corresponding.
Automatic safety device when the multi-rope friction hoisting machine pulleying, over-discharge, dynamic wedge 41 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.
Wirerope break catching apparatus when the multirope friction winder pulleying, over-discharge, in the oil outlet of cushion cylinder 20
Place is circumscribed with plug type overflow valve group.
Implement wirerope break catching apparatus when multirope friction winder pulleying described in the utility model, over-discharge, elevator
In automatically controlled, brake system non-functional, pulleying or over-discharge operating condition occurs, above proposes the work that side container 23 will hit cushion cylinder 20 and stretch out
Stopper rod, the oil liquid in cushion cylinder 20 will generate the resistance of approximately constant by the overflow valve overflow of oil outlet, cushion cylinder 20
It will make above to mention side container 23 and be slowed down with the deceleration of approximately constant, pulleying lifting system is braked, hold when above mentioning side
When device 23 is by 20 travel compression of cushion cylinder to close maximum, triggering oil cylinder 21 will be hit by above mentioning side container 23, trigger oil cylinder 21
In compressed oil liquid will be transmitted to the oil cylinder 12 of 22 break catching apparatus of wirerope, the movement of oil cylinder 12 will limit the guarantor of 13 position of crossbeam
Danger pin pulls out, and crossbeam 13 moves downward under the active force of clump weight 9, and then crossbeam 13 makes multiple dynamic wedge components by connecting rod 40
15 synchronize and move downward, and by the way that plane roller bearing 42 is arranged on 41 outsides in dynamic carve, make the V-arrangement face for carving 41 Yu V-shaped groove 33
38 rolling friction, when in V-shaped groove 33 corresponding two it is dynamic carve component 15 and move downward when, then wirerope 22 is clamped in two and dynamic carves
In half slot on 15 opposite face of component, so that wirerope 22 be made to stop sliding relatively under the action of dynamic wedge 41 is to its frictional force
It is dynamic, to decline 24 stop motion of side container；Conversely, original decline side container 24, which is used as, above proposes side appearance when elevator reversely rotates
When pulleying operating condition occurs for device 23, the operating principle of overtravel protection system 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. automatic safety device when a kind of multi-rope friction hoisting machine pulleying, over-discharge, including cushion cylinder pedestal, arrest dress
Set, above mention side container, decline side container and wirerope, it is characterized in that: the cushion cylinder pedestal is set as two, and it is parallel between
Every be mounted in derrick collision prevention girders, multiple cushion cylinders are equipped at intervals in the two sides of cushion cylinder pedestal, in cushion cylinder
It is evenly spaced outside pedestal two sides to be equipped with multiple triggering oil cylinders, it is equipped at intervals with two between two cushion cylinder pedestals and puts down
The supporting beam of row setting, is fixed with break catching apparatus in two supporting beams, respectively corresponds in the lower part of two sets of break catching apparatus
Equipped with above mentioning side container and decline side container, the steel wire penetrating of elevator one end wherein after a set of break catching apparatus with above propose side appearance
Device connects, and connect after the another set of break catching apparatus of the steel wire penetrating of the elevator other end with decline side container, the break catching apparatus
Including base assembly, moves and carve component, pulling pin device, transverse beam assembly and guide rope device, it is evenly spaced in the inside of base assembly
It is moved equipped with multiple groups and carves component, transverse beam assembly is hingedly connected on the dynamic top for carving component of multiple groups, at the upper surface of base assembly both ends
Two sides are respectively connected with column guide rail, are connected with guide rope device in the upper end of column guide rail, the transverse beam assembly includes two pieces opposite
The crossbeam of conjunction, it is corresponding on the opposite face of two pieces of crossbeams to offer multiple evenly spaced annular grooves, corresponding two
Ring groove shape circularizes hole, and the both sides outside two pieces of crossbeams are equipped with sliding slot, and the periphery of column guide rail is arranged in sliding slot, institute
Stating guide rope device includes twine guide plate and conductor rope seat, and the twine guide plate, conductor rope seat are disposed as two-flap type structure, column guide rail it is upper
End is fixedly connected with the both ends of two pieces of twine guide plates respectively, evenly spaced on two pieces of twine guide plates to be equipped with multiple conductor rope seats,
Half annular distance is equipped in the middle part of conductor rope seat, multiple conductor rope seats on two pieces of twine guide plates are correspondingly arranged, corresponding two conductor ropes
Half annular distance between seat forms 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, carved dynamic
Top both sides be equipped with connecting rod, connected by pin shaft B between the upper and lower part of two pieces of connecting rods, the dynamic upper end carved with two pieces
It is connected between connecting rod lower part by pin shaft B, the dynamic two sides carved are disposed as V-shape, and plane rolling is equipped on outside in dynamic carve
Sub- bearing, the upper end of connecting rod passes through pin shaft B and crossbeam is articulated and connected, and pulling pin device is equipped on the trailing flank of base assembly.
2. automatic safety device when multi-rope friction hoisting machine pulleying according to claim 1, over-discharge, it is characterized in that:
Be arranged in multiple cushion cylinders of cushion cylinder pedestal two sides respectively with above mention side container, be correspondingly arranged above and below decline side container,
The multiple triggering oil cylinders being arranged in outside cushion cylinder pedestal two sides respectively with above mention side container, corresponding set above and below decline side container
It sets, the end of travel of the cushion cylinder is below the end of travel of triggering oil cylinder.
3. automatic safety device when multi-rope friction hoisting machine 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.
4. automatic safety device when multi-rope friction hoisting machine 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,
Oil cylinder is connect with triggering oil cylinder by oil pipe.
5. automatic safety device when multi-rope friction hoisting machine 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.
6. automatic safety device when multi-rope friction hoisting machine 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. automatic safety device when multi-rope friction hoisting machine pulleying according to claim 1, over-discharge, it is characterized in that:
Dynamic wedge is all made of alloy steel material.
8. automatic safety device when multi-rope friction hoisting machine 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.
9. automatic safety device when multi-rope friction hoisting machine pulleying according to claim 1, over-discharge, it is characterized in that:
Plug type overflow valve group is circumscribed in the oil outlet of cushion cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810417.8U CN208790977U (en) | 2018-05-29 | 2018-05-29 | A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810417.8U CN208790977U (en) | 2018-05-29 | 2018-05-29 | A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208790977U true CN208790977U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820810417.8U Withdrawn - After Issue CN208790977U (en) | 2018-05-29 | 2018-05-29 | A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208790977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483177A (en) * | 2018-05-29 | 2018-09-04 | 中信重工机械股份有限公司 | Automatic safety device when putting is crossed in a kind of multi-rope friction hoisting machine pulleying |
-
2018
- 2018-05-29 CN CN201820810417.8U patent/CN208790977U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483177A (en) * | 2018-05-29 | 2018-09-04 | 中信重工机械股份有限公司 | Automatic safety device when putting is crossed in a kind of multi-rope friction hoisting machine pulleying |
| CN108483177B (en) * | 2018-05-29 | 2023-11-14 | 中信重工机械股份有限公司 | Automatic protection device for multi-rope friction type elevator during overwinding and unreeling |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190426 Effective date of abandoning: 20231114 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190426 Effective date of abandoning: 20231114 |