CN209685083U - A kind of accidental movement of elevator cage protection system - Google Patents

Abstract

The utility model relates to a kind of accidental movement of elevator cage to protect system, belong to the technical field of elevator safety, its key points of the technical solution are that including leveling inductor and shutdown inductor, the protection system includes two bracing members and a set of driving assembly for being oppositely arranged on car top and/or bottom, bracing member includes two parallel support rods and the cross bar for connecting two support rods, driving assembly drives two bracing members to make linear extension or contractile motion in the horizontal direction simultaneously, the opposite duct offered corresponding to four support rods in hoistway wall where carriage；Driving assembly is controlled by leveling inductor and shutdown inductor, and when leveling inductor senses lift car leveling, driving assembly drives the support rod on bracing member to stretch out so that support rod protrudes into duct.The utility model, which this have the advantage that, to carry out mechanical caging in Elevator landing to carriage, avoid carriage that accidental movement occurs.

Description

A kind of accidental movement of elevator cage protection system

Technical field

The utility model relates to the technical fields of elevator safety, protect system more particularly, to a kind of accidental movement of elevator cage System.

Background technique

Currently, traction elevator drives by traction machine, the frictional force between traction sheave and wirerope drives carriage operation, The effectively closed guarantee carriage of brake reliably stops, therefore under counterweight-side weight and the unmatched situation of cage side weight, passes It is out of hand that any one link failure of dynamic, traction and braking all may cause elevator.

Wherein most commonly seen is exactly accidental movement of elevator cage, and lift car can generate unexpected shifting under the premise of enabling Dynamic, the passenger for passing in and out elevator door does not guard against, and can directly generate the tragic incident of shearing property, constitute a threat to the life security of people, therefore The mobile problem of lift car is worth us to pay attention to.

For this purpose, the utility model proposes a kind of more reliable solutions for accidental movement of elevator cage.

Utility model content

The purpose of the utility model is to provide a kind of accidental movement of elevator cage to protect system, its advantage is that can be in elevator When leveling, mechanical caging is carried out to carriage, avoids carriage that accidental movement occurs.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of lift car is unexpected Mobile protection system, including leveling inductor and shutdown inductor, the protection system include be oppositely arranged on car top and/or Two bracing members of bottom and a set of driving assembly, the bracing member include two parallel support rods and connection two The cross bar of a support rod, the driving component drive two bracing members make in the horizontal direction simultaneously linear extension or Contractile motion, the opposite duct offered corresponding to four support rods in the hoistway wall where the carriage；The driving group Part is controlled by the leveling inductor and shutdown inductor, when the leveling inductor senses lift car leveling, the drive Support rod on bracing member described in dynamic Component driver stretches out so that support rod protrudes into the duct；When the shutdown inductor When sensing that elevator door is closed, the driving component drives the bracing member recycling so that support rod leaves in the duct.

By using above-mentioned technical proposal, pass through two bracing members and one in car top and/or bottom setting Driving assembly is covered, and the duct of the correspondence support rod opened up on the well enclosure of the leveling of elevator door, can be in carriage It opens the door or at closing time, drives support rod to enter duct to which carriage is stablely supported at original place by driving assembly, avoid Carriage damages passenger because unexpected move.

The utility model is further arranged to: the driving component is two-way hydraulic cylinder.

By using above-mentioned technical proposal, two support rods in every group can be driven simultaneously by two-way hydraulic cylinder simultaneously Elongation or recycling, guarantee the consistency of support rod movement.

The utility model is further arranged to: the top of the lift car and/or the surface of bottom are respectively at each Fixing sleeve is provided in the travelling route of strut, the support rod passes through the fixing sleeve.

By using above-mentioned technical proposal, since carriage gravity is larger, it is limited to rely solely on support rod bearing capacity, passes through The fixing sleeve of setting can further limit support rod, be reinforced, and guarantee that support rod can steadily carry out carriage Support.

The utility model is further arranged to: being respectively arranged with pressure sensing on the end face of the free end of the support rod Device, when the support rod protrudes into the duct and the end face of free end and duct inner wall form pressure, the driving component Stopping movement.

It can solely be supported by using above-mentioned technical proposal by the pressure sensor being arranged on the end face of support rod The extended length of bar is controlled, support rod caused by avoiding the length put in duct due to support rod too long or too short Unstable support.

The utility model is further arranged to: the driving component by rack be fixedly connected on carriage top and/or Bottom.

By using above-mentioned technical proposal, integrally driving assembly is installed by rack, can be facilitated to driving group Part is mounted and dismounted.

The utility model is further arranged to: the section of the support rod is rectangular.

The utility model is further arranged to: the section of the support rod is circle.

In conclusion the advantageous effects of the utility model are as follows:

1, it by the bracing member and driving assembly at the top of carriage and/or bottom setting, can be parked in carriage flat When layer, by the way of mechanical caging, guarantee that carriage can be stablely supported at leveling, avoids in door-opened elevator or at closing time Accidental movement occurs；

2, support rod can steadily be supported by the fixing sleeve of setting, enhances the enabling capabilities of support rod.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of accidental movement of elevator cage protection system of the utility model；

Fig. 2 is the structural schematic diagram that the fixing sleeve of the utility model is round set；

Fig. 3 is the control system figure of the utility model.

In figure, 1, traction machine；11, traction sheave；12, directive wheel；13, carriage；14, chain is compensated；15, counterweight；16, steel wire Rope；2, leveling inductor；3, shutdown inductor；4, pressure sensor；5, rack；51, access hole；6, bracing member；61, it props up Strut；62, cross bar；63, fixing sleeve；7, two-way hydraulic cylinder；8, duct；9, hoistway；10, central controller.

Specific embodiment

Referring to Figure 1 and Figure 3, system is protected for a kind of accidental movement of elevator cage disclosed by the utility model, wherein elevator Including traction machine 1, directive wheel 12, the carriage 13 moved up and down in hoistway 9, compensation chain 14, wirerope 16 and counterweight 15, steel Cord 16 is singly wound on the traction sheave 11 of directive wheel 12 and traction machine 1,13 top of one end connection carriage of wirerope 16, another 15 top of end connection counterweight, one end of compensation chain 14 connect 15 bottom of counterweight, and the other end connects 13 bottom of carriage.

The carriage accidental movement protects system, including leveling inductor 2 and shutdown inductor 3 and opposite setting in sedan-chair Two bracing members 6 and a set of driving assembly at 13 top of compartment.Driving assembly respectively drives two bracing members 6 simultaneously along water Square to linear extension or contractile motion is made, each bracing member 6 includes two support rods 61, the hoistway 9 where carriage 13 The opposite duct 8 offered corresponding to four support rods 61 on side wall, the driving assembly is by leveling inductor 2 and shutdown inductor 3 controls, when leveling inductor 2 senses that carriage 13 is in leveling, driving assembly drives bracing member 6 to stretch out so that support rod 61 protrude into the progress mechanical support of carriage 13 in duct 8, and when shutdown inductor 3 senses that elevator door is closed, driving assembly is driven Bracing member 6 recycles so that support rod 61 leaves in duct 8.By above-mentioned setting can in Elevator landing, to carriage 13 into Row mechanical support can be avoided carriage 13 and accidental movement occurs in door opening state, protects the safety of passenger.

More specifically, for convenience bracing member 6 and driving assembly are installed, carriage 13 top and/or The rack 5 of rectangular frame formula is fixedly mounted in bottom, and two support rods 61 on each bracing member 6 are arranged in parallel, separate One end of hoistway 9 is connected the two by cross bar 62, the opposite two sides of rack 5 respectively open up there are two access hole 51 for support Bar 61 stretches out or recycling.Preferably, driving assembly select two-way hydraulic cylinder 7, the hydraulic stem of two-way hydraulic cylinder 7 respectively with cross The middle part of bar 62 is fixedly connected, so that two-way hydraulic cylinder 7 can drive two support rods 61 of each bracing member 6 simultaneously It protruding access hole 51 or is inwardly contracted in rack 5 simultaneously simultaneously.

It should be noted that in order to avoid influencing the operation of counterweight 15, the direction of motion and the counterweight of bracing member 6 are staggered It opens.

In conjunction with Fig. 2, once misfunctioning of brake, carriage 13 is needed through four 61 mechanical supports of support rod in elevator shaft 9 Interior, support rod 61 will receive the power of carriage 13 upwardly or downwardly at this time, it is therefore desirable to reinforce support rod 61, thus In the bottom of rack 5, and it is fixedly installed with fixing sleeve 63 respectively on the movement line of each support rod 61, fixing sleeve 63 Selection square sleeve is determined according to the cross sectional shape of support rod 61 or round set, support rod 61 are fixed set 63 and are firmly locked 5 surface of rack, and can guarantee that support rod 61 linearly moves.

When elevator runs to leveling, leveling inductor 2 sends an electric signal to central controller 10 at this time, in Entreating controller 10 to control two-way hydraulic cylinder 7 drives the movement of bracing member 6 to release support rod 61 outside rack 5, support rod 61 It is inserted respectively into the corresponding duct 8 of 9 inner wall of hoistway, to complete the support to entire carriage 13；It is closed completely when carriage 13 After closing, shutdown inductor 3, which is felt to central controller 10, sends an electric signal, and central controller 10 controls two-way hydraulic cylinder 7 will Bracing member 6 recycles, so that elevator can continue to run after support rod 61 leaves duct 8.

In order to stable support rod 61 is inserted into duct 8, pressure biography is provided on the end face of support rod 61 Sensor 4, when support rod 61 protrudes into duct 8, and the end face in the end face of support rod 61 and duct 8 contradicts, pressure sensing Device 4 sends the signal to central controller 10, and central controller 10 controls 7 stopping of two-way hydraulic cylinder movement.

The protection system of the utility model, which belongs in elevator safety technology, occurs accident in door opening state for carriage 13 Mobile prophylactic device guarantees carriage 13 in door opening state, carriage 13 is by stable branch by way of mechanical support Accidental movement occurs as carriage 13 in door opening state for support and the huge injury caused by passenger so as to greatly reduce Risk.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (7)

1. a kind of accidental movement of elevator cage protects system, including leveling inductor (2) and shutdown inductor (3), feature exists In: the protection system includes being oppositely arranged on two bracing members (6) and a set of driving at carriage (13) top and/or bottom Component, the bracing member (6) include two parallel support rods (61) and the cross bar for connecting two support rods (61) (62), the driving component drives two bracing members (6) to make linear extension or contractile motion, institute in the horizontal direction simultaneously State the opposite duct (8) offered corresponding to four support rods (61) on hoistway (9) side wall where carriage (13)；The driving Component is controlled by the leveling inductor (2) and shutdown inductor (3), when the leveling inductor (2) senses carriage (13) when leveling, the driving component drives the support rod (61) on the bracing member (6) to stretch out so that support rod (61) is stretched Enter in the duct (8)；When the shutdown inductor (3) senses that elevator door is closed, the driving component drives the branch Supporting pole rack (6) recycles so that support rod (61) leaves in the duct (8).

2. accidental movement of elevator cage according to claim 1 protects system, it is characterised in that: the driving component is double To hydraulic cylinder (7).

3. accidental movement of elevator cage according to claim 1 protects system, it is characterised in that: the top of the carriage (13) The surface of portion and/or bottom is respectively at being provided with fixing sleeve (63), the support rod in the travelling route of each support rod (61) (61) fixing sleeve (63) are passed through.

4. accidental movement of elevator cage according to claim 1 protects system, it is characterised in that: the support rod (61) Pressure sensor (4) are respectively arranged on the end face of free end, when the support rod (61) protrudes into the duct (8) and freely When the end face at end and duct (8) inner wall form pressure, the driving component stopping movement.

5. accidental movement of elevator cage according to claim 1 protects system, it is characterised in that: the driving component passes through Rack (5) is fixedly connected on the top and/or bottom of carriage (13).

6. accidental movement of elevator cage according to claim 1 protects system, it is characterised in that: the support rod (61) Section is rectangular.

7. accidental movement of elevator cage according to claim 1 protects system, it is characterised in that: the support rod (61) Section is circle.