CN113184672A - Car elevator is with layer door anticollision blocking device - Google Patents

Abstract

The invention discloses a landing door anti-collision blocking device for an automobile elevator, which comprises a blocking body arranged on the ground of a landing and positioned in front of a landing door, and a driving part for driving the blocking body to arch or flatten so as to adjust the height of the blocking body and switch the blocking body between a passing state and a blocking state, and is characterized in that: stop the body and include looks articulated preceding folded sheet and back folded sheet, one side that back folded sheet is close to a layer door is its rear side, then the opposite side is the front side, the rear end of back folded sheet rotates and connects in ground, the drive division is connected with preceding folded sheet, drive through the drive division and stop the body and switch between folding and expansion gesture, and then make the device block and the state switching is not blockked to the non-, can effectively prevent car collision elevator layer door under the condition that elevator car is not on this layer, take place danger.

Description

Car elevator is with layer door anticollision blocking device

Technical Field

The invention belongs to the field of elevator equipment, and particularly relates to a landing door anti-collision blocking device for an automobile elevator.

Background

A car elevator is a special freight elevator for carrying non-commercial cars, i.e. private cars used in our daily life. When a private car waits outside a landing door, the private car can possibly impact and strike the landing door due to improper operation of a driver, and the strength of the landing door cannot bear the impact of the private car, so that the landing door and the private car are damaged, and more serious is that the private car impacts the landing door and then impacts a well, so that a larger accident occurs.

Disclosure of Invention

The invention aims to provide a landing door anti-collision blocking device for an automobile elevator, which can effectively prevent a car from colliding with an elevator landing door under the condition that an elevator car is not on the landing.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a car elevator is with crashproof blocking device of layer door, its includes locates the subaerial and the body that blocks that is located the place ahead of layer door, is used for driving block body arch or exhibition flat thereby adjust block body's height make it in the passing state with block the drive division of switching between the state which characterized in that: the barrier body comprises a front folding plate and a rear folding plate which are hinged with each other, one side of the rear folding plate close to the landing door is the rear side, the other side of the rear folding plate is the front side, the rear end part of the rear folding plate is rotatably connected to the ground, the driving part is connected with the front folding plate, and when the driving part drives the front folding plate and the rear folding plate to arch, the anti-collision barrier device is in a barrier state; when the driving part drives the front folding plate and the rear folding plate to be unfolded and flat, the anti-collision blocking device is in a passing state at the moment.

Preferably, the number of the driving parts is two, and the driving parts are symmetrically arranged on the left side and the right side of the blocking body respectively.

Furthermore, every the drive division is including locating power portion, wire rope, switching-over subassembly and the subassembly that resets in the elevator well, wire rope one end with power portion is connected, and its another tip is connected with the preceding tip of preceding folded sheet, the switching-over subassembly includes wire rope fixed pulley frame, install in first wire rope fixed pulley and second wire rope fixed pulley on the wire rope fixed pulley frame, wire rope follows after the top of first wire rope fixed pulley is walked around the below of second wire rope fixed pulley and is connected with the front end of preceding folded sheet, the subassembly that resets is including locating block the body left and right sides the guide holder, connect in on the guide holder and be located the pressure spring key seat that blocks the body below, wear to locate in the pressure spring key seat and the rear end be equipped with the pressure spring round pin of anticreep nut, cover locate on the pressure spring round pin and the front end with the front end is fixed of pressure spring round pin and the rear end supports tightly at the pressure spring key seat simultaneously The compression spring on the preceding terminal surface, when power portion drives the action of wire rope, preceding folded sheet turns over towards the rear end of back folded sheet and compresses the pressure spring round pin, until blocking the state, when power portion reduces or eliminates the effort to wire rope, the preceding tip that the pressure spring round pin promoted preceding folded sheet under compression spring's effect moves forward, and it is flat until preceding folded sheet and back folded sheet exhibition, anticollision blocking device is in the current state this moment.

Furthermore, the power part comprises an inner connecting rod, a connecting rod seat, a steel wire rope movable pulley, a steel wire rope inner rope head frame, a steel wire rope, a movable pulley connecting rod, a connecting rod sliding pin, a pulling plate, a connecting pin, a heavy hammer pipe hoop, a heavy hammer pipe, a lower limiting seat, a lower limiting adjusting bolt, an outer connecting rod, a movable connecting rod pin, a fixed connecting rod pin and a pressurizing assembly, wherein the steel wire rope firstly and secondly bypasses a second steel wire rope fixed pulley and a first steel wire rope fixed pulley, the direction of the steel wire rope is horizontally guided into the hoistway and vertically downwards and then bypasses the steel wire rope movable pulley, the direction of the steel wire rope is upwards turned and is connected with the steel wire rope inner rope head, and the steel wire rope inner rope head is fixed on the hoistway wall through the steel wire rope inner rope head frame; the connecting rod seats are fixed on the wall of the hoistway, the outer connecting rod is arranged between the two connecting rod seats, a pin hole at one end of the outer connecting rod is coaxially arranged with a pin hole on the connecting rod seat, the fixed connecting rod pin penetrates through the pin holes on the two connecting rod seats and the pin hole of the outer connecting rod and is fixed on the connecting rod seats, and the outer connecting rod can rotate around the fixed connecting rod pin; the connecting rod sliding pin is arranged in the sliding grooves on the two connecting rod seats, the connecting rod sliding pin can move along the sliding grooves, one end of the inner connecting rod is connected with the other end of the outer connecting rod through the movable connecting rod pin, the other end of the inner connecting rod is connected to the connecting rod sliding pin and is coaxially arranged with the connecting rod sliding pin, one end of the movable pulley connecting rod with a pin hole is connected to the connecting rod sliding pin and is coaxially arranged with the connecting rod sliding pin, and the other end of the movable pulley connecting rod is fixedly connected with the steel wire rope movable pulley; the upper end of the pull plate is connected and fixed with the movable pulley connecting rod, the lower end of the pull plate is connected with a heavy hammer through a connecting pin, the heavy hammer is sleeved in a heavy hammer pipe and can move up and down, the heavy hammer pipe is fixed on a hoistway wall through an upper heavy hammer pipe hoop and a lower heavy hammer pipe hoop, a lower limit seat is fixed on the hoistway wall, a lower limit adjusting bolt is arranged on the lower limit seat, the lowest position of the heavy hammer is set by adjusting the extending length of the lower limit adjusting bolt, and the heavy hammer is prevented from falling into the hoistway when a steel wire rope is broken; the self gravity of the heavy hammer is transmitted to the movable pulley of the steel wire rope through the pulling plate and the movable pulley connecting rod and is converted into the pulling force on the steel wire rope, so that the front folding plate and the rear folding plate are kept in an arched state; when the pressurizing assembly applies pressure on the hinged position of the inner connecting rod and the outer connecting rod, the pressure is transmitted to be upward pulling force on the connecting rod sliding pin through a connecting rod sliding block mechanism consisting of the fixed connecting rod pin, the outer connecting rod, the movable connecting rod pin, the inner connecting rod, the connecting rod sliding pin and the connecting rod seat, the heavy hammer, the movable pulley connecting rod and the steel wire rope movable pulley move upwards under the action of the pulling force, so that the steel wire rope is loosened, the pulling force on the steel wire rope is reduced, and the front folding plate and the rear folding plate fall back to be in a horizontal state.

Furthermore, each pressurizing assembly comprises a push rod rear seat, a push rod front hoop, a push plate, a flatting in-place switch, a switch beating plate, a retracting in-place switch, an in-place switch frame, a push rod rear pin, a push rod front hoop seat and a push rod pin, wherein the push rod rear seat is fixed on the car frame; the push plate is sleeved on the moving end of the push rod and fixed together with the push rod through the push rod pin, the switch beating plate is fixed on the push plate, the in-place switch is laid flat and the in-place switch is folded and fixed on the in-place switch frame, and the in-place switch frame is fixed on the car frame.

Optimized, it still includes preceding slope and back slope to block the body, preceding slope sets up the place ahead of folded sheet in the front to fix on layer doorway subaerial, the back slope sets up the rear at the folded sheet in the back, and fixes on layer doorway subaerial.

The invention has the beneficial effects that: drive through the drive division and block the body and switch between folding and expansion gesture, and then make the device block with the non-state switching that blocks, can prevent effectively that the car from clashing elevator layer door under the condition that elevator car is not on this layer, take place danger.

Drawings

FIG. 1 is a side view of a landing door crash barrier in a flat condition;

FIG. 2 is a plan view of the landing door crash barrier in a flat condition;

FIG. 3 is a side view of the landing door crash barrier in a stowed condition;

FIG. 4 is a partial view of the weight link;

FIG. 5 is a schematic view of a roller structure;

FIG. 6 is a schematic view of a putter structure;

1-rear pusher shoe, 2-pusher shoe, 3-front pusher shoe, 4-pusher shoe, 5-inner link, 6-link shoe, 7-movable steel cable pulley, 8-inner steel cable head, 9-inner steel cable head bracket, 10-first fixed steel cable pulley, 11-fixed steel cable pulley bracket, 12-second fixed steel cable pulley, 13-steel cable, 14-plate rotating pin, 15-plate rotating pin shoe, 16-rear folding plate, 17-hinge, 18-front folding plate, 19-plate sliding pin shoe, 20-plate sliding pin, 21-outer steel cable head shoe, 22-outer steel cable head pin, 23-outer steel cable head, 24-movable pulley link, 25-link sliding pin, 26-pulling plate, 27-connecting pin, 28-weight, 29-weight pipe hoop, 30-weight pipe, 31-lower limit seat, 32-lower limit adjusting bolt, 33-leveling in-place switch, 34-switch striking plate, 35-retraction in-place switch, 36-in-place switch frame, 37-car frame, 38-shaft wall, 39-layer door opening, 40-push rod rear pin, 41-push rod front hoop seat, 42-push rod pin, 43-outer connecting rod, 44-movable connecting rod pin, 45-pressure spring pin seat, 46-guide seat, 47-pressure spring pin, 48-compression spring, 49-roller component, 410-anti-dropping nut, 50-support seat, 51-fixed connecting rod pin, 52-rear slope, 53-front slope, 201-push rod fixed end, 202-push rod moving end, 491-roller seat, 492-roller shaft, 493-shaft snap spring, 494-roller positioning sleeve, 495-roller.

Detailed Description

The invention is described in detail below with reference to embodiments shown in the drawings to which:

as shown in fig. 1, the landing door anti-collision blocking device for the automobile elevator comprises a blocking body arranged on the ground of a landing and positioned in front of the landing door, and a driving part for driving the blocking body to arch or flatten so as to adjust the height of the blocking body and enable the blocking body to be switched between a passing state and a blocking state.

Specifically, the blocking body includes a board turning pin 14, a board turning pin holder 15, a rear folding board 16, a hinge 17, a front folding board 18, a board sliding pin holder 19, a board sliding pin 20, a roller assembly 49, a front slope 53 and a rear slope 52. One side of the rear folding plate 16 close to the landing door is the rear side, the other side is the front side, the front folding plate 18 is hinged with the rear folding plate 16 through a hinge 17, the rear end part of the rear folding plate is rotatably connected to the ground, and the driving part is connected with the front folding plate.

The driving parts are two and are symmetrically arranged on the left side and the right side of the blocking body respectively. Every the drive division is including locating power portion, wire rope 13, switching-over subassembly and the subassembly that resets in the elevator well, wire rope 13 one end with power portion is connected, and its another tip is connected with the preceding tip of preceding folded sheet 18, the switching-over subassembly includes wire rope fixed pulley frame 11, install in first wire rope fixed pulley 10 and second wire rope fixed pulley 12 on the wire rope fixed pulley frame, wire rope follows after the top of first wire rope fixed pulley is walked around the below of second wire rope fixed pulley and is connected with the preceding tip of preceding folded sheet, the subassembly that resets is including locating block the guide holder 46 of body left and right sides, connect in on the guide holder and be located and block the body below pressure spring key seat 45, wear to locate in the pressure spring key seat and the rear end be equipped with the pressure spring round pin 47 of anticreep nut 410, cover locate on the pressure spring round pin and the front end with the front end of pressure round pin is fixed while the rear end supports tightly at the pressure spring round pin on the front end And a compression spring 48 on the front end face of the compression spring pin seat.

Specifically, the guide seats 46 are fixed on two sides of the landing door in a bilateral symmetry manner, the pressure spring pin seat 45 is fixed on one side of the guide seat 46 close to the central line of the landing door, the compression spring 48 is sleeved on the pressure spring pin 47, and the pressure spring pin 47 is arranged in a pin hole of the pressure spring pin seat 45, can stretch and retract in a reciprocating manner and has a certain resilience; the rear folding plate 16 is arranged in front of the landing door opening 39 in a bilateral symmetry manner, the left and right plate rotating pin bases 15 are fixed at two ends of the rear folding plate 16 close to the landing door side, one end of the plate rotating pin 14 is inserted into the plate rotating pin base 15, the other end of the plate rotating pin 14 is inserted into the pin hole of the guide base 46, so that the rear folding plate 16 can rotate around the axis of the plate rotating pin 14, the rotating shaft central lines of the hinges 17 are coaxially arranged, and one side of each hinge 17 is fixed on the rear folding plate 16; the front folding plate 18 is symmetrically arranged at the door opening of the landing door left and right, a left plate sliding pin seat 19 and a right plate sliding pin seat 19 are fixed at two ends of the front folding plate 18 far away from the side of the landing door, one end of a plate sliding pin 20 is inserted into the plate sliding pin seat 19, the other end of the plate sliding pin 20 is inserted into a sliding groove of the guide seat 46, so that the front folding plate 18 can slide while rotating around the axis of the plate sliding pin 20, the central lines of the rotating shafts of the hinges 17 are coaxially arranged, and the other side of the hinge 17 is fixed on the front folding plate 18; a plurality of sets of roller assemblies 49 are arranged on one side of the front folding plate 18 far away from the side of the layer door, and the axes of the roller assemblies 49 are coaxially arranged with the plate sliding pin 20; two sides of the front folding plate 18 are respectively provided with and fixed with a steel wire rope outer rope head seat 21, a left steel wire rope outer rope head pin 22 and a right steel wire rope outer rope head pin 22 are inserted into a pin hole of the steel wire rope outer rope head seat 21 and can freely rotate around the axis of the pin hole, the left steel wire rope outer rope head 23 and the right steel wire rope outer rope head pin 22 are fixed in the steel wire rope outer rope head pins, a left steel wire rope 13 and a right steel wire rope 13 are respectively connected with the two steel wire rope outer rope heads 23 which are arranged left and right, the two steel wire rope fixed pulley frames 11 are fixed in a hoistway wall 38 in a left-right symmetrical mode, a first steel wire rope fixed pulley 10 and a second steel wire rope fixed pulley 12 are fixed on the steel wire rope fixed pulley frames 11, the steel wire ropes 13 sequentially pass around the second steel wire rope fixed pulley 12 and the first steel wire rope fixed pulley 10, and the direction of the steel wire ropes 13 is horizontally guided into a hoistway and vertically downward; the supporting seats 50 are fixed on the doorway symmetrically and supported at the joint of the front folding plate 18 and the rear folding plate 16, so as to reduce the load borne by the wheels of the car when the wheels of the car press the front folding plate 18 and the rear folding plate 16; the front slope 53 is arranged at the front part of the front folding plate 18 and fixed on the floor of the landing door, the rear slope 52 is arranged at the rear part of the rear folding plate 16 and fixed on the floor of the landing door, and the rear slope 52 and the front slope 53 make the car pass through the folding plate 18 and the rear folding plate 16 more easily; when a pulling force is applied to the steel wire rope 13, the pulling force is transmitted to the front folding plate 18 through the outer rope head 23 of the steel wire rope, the outer rope head pin 22 of the steel wire rope and the outer rope head seat 21 of the steel wire rope, under the action of the pulling force and the action of the sliding groove on the plate sliding pin 20 and the guide seat 46, one side, far away from the landing door, of the front folding plate 18 slides forwards, when the plate sliding pin 20 slides to a certain distance, the plate sliding pin seat 19 touches the pressure spring pin 47 and further compresses the compression spring 48, and at the moment, the front folding plate 18 and the rear folding plate 16 arch upwards under the action of the hinge 17, so that an automobile is prevented from entering and approaching the elevator landing door; when the tension applied to the wire rope 13 is reduced, the compression spring pin 47 pushes the board sliding pin seat 19 and the board sliding pin 20 to slide backwards under the resilience of the compression spring 48, at this time, the height of the arch between the front folding board 18 and the rear folding board 16 falls back, and after the board sliding pin seat 19 is separated from the resilience distance of the compression spring 48 and the compression spring pin 47, the front folding board 18 and the rear folding board 16 further fall back to the horizontal state under the self-gravity effect. The roller assembly 49 comprises a roller seat 491, a roller shaft 492, a shaft clamp spring 493, a roller positioning sleeve 494 and a roller 495; the roller shaft 492 is inserted into the shaft holes on the two ears of the roller seat 491, the shaft is mounted on the extending end of the roller shaft 492 by a snap spring 493 to limit the axial movement, the roller 495 is coaxially arranged with the roller shaft 492 and is arranged between the two ears of the roller seat 491, and the two roller positioning sleeves 494 are respectively arranged between the roller 495 and the two ears of the roller seat 491 to limit the position of the roller 495; a plurality of roller assemblies 49 provided at the front folding plate 18 play a role of auxiliary support for the front folding plate 18.

The power part comprises an inner connecting rod 5, a connecting rod seat 6, a steel wire rope movable pulley 7, a steel wire rope inner rope head 8, a steel wire rope inner rope head frame 9, a movable pulley connecting rod 24, a connecting rod sliding pin 25, a pulling plate 26, a connecting pin 27, a heavy hammer 28, a heavy hammer pipe hoop 29, a heavy hammer pipe 30, a lower limiting seat 31, a lower limiting adjusting bolt 32, an outer connecting rod 43, a movable connecting rod pin 44 and a fixed connecting rod pin 51. The steel wire rope 13 firstly and secondly bypasses the second steel wire rope fixed pulley 12 and the first steel wire rope fixed pulley 10, the direction of the steel wire rope 13 is horizontally guided into the shaft and vertically downwards and then bypasses the steel wire rope movable pulley 7, the direction of the steel wire rope 13 is turned upwards and is connected with the inner rope head 8 of the steel wire rope, and the inner rope head 8 of the steel wire rope is fixed on the shaft wall 38 through the inner rope head frame 9 of the steel wire rope; the connecting rod seats 6 are fixed on the shaft wall 38, the outer connecting rod 43 is arranged between the two connecting rod seats 6, a pin hole at one end of the outer connecting rod 43 is coaxially arranged with a pin hole on the connecting rod seat 6, the fixed connecting rod pin 51 passes through the pin holes on the two connecting rod seats 6 and the pin hole of the outer connecting rod 43 and is fixed on the connecting rod seat 6, and the outer connecting rod 43 can rotate around the fixed connecting rod pin 51; the connecting rod sliding pin 25 is arranged in a sliding groove on the two connecting rod seats 6, the connecting rod sliding pin 25 can move along the sliding groove, one end of the inner connecting rod 5 is connected with the other end of the outer connecting rod 43 through the movable connecting rod pin 44, the other end of the inner connecting rod 5 is connected to the connecting rod sliding pin 25 and is coaxially arranged with the connecting rod sliding pin, one end of the movable pulley connecting rod 24 with a pin hole is connected to the connecting rod sliding pin 25 and is coaxially arranged with the connecting rod sliding pin, and the other end of the movable pulley connecting rod 24 is fixedly connected with the steel wire rope movable pulley 7; the upper end of the pulling plate 26 is connected and fixed with the movable pulley connecting rod 24, the lower end of the pulling plate 26 is connected with the heavy hammer 28 through a connecting pin 27, the heavy hammer 28 is sleeved in the heavy hammer pipe 30 and can move up and down, the heavy hammer pipe 30 is fixed on the hoistway wall 38 through an upper heavy hammer pipe hoop 29 and a lower heavy hammer pipe hoop 29, the lower limit seat 31 is fixed on the hoistway wall 38, the lower limit seat 31 is provided with a lower limit adjusting bolt 32, the lowest position of the heavy hammer 28 is set through adjusting the extending length of the lower limit adjusting bolt 32, and the heavy hammer 28 is prevented from falling into the hoistway when the steel wire rope 13 is broken; the self gravity of the weight 28 is transmitted to the steel wire rope movable pulley 7 through the pulling plate 26 and the movable pulley connecting rod 24, and is converted into the pulling force on the steel wire rope 13, so that the front folding plate 18 and the rear folding plate 16 are kept in an arched state; when the pressurizing assembly applies pressure on the hinged position of the inner connecting rod 5 and the outer connecting rod 43, the pressure is transmitted to be upward pulling force on the connecting rod sliding pin 25 through the connecting rod sliding block mechanism consisting of the fixed connecting rod pin 51, the outer connecting rod 43, the movable connecting rod pin 44, the inner connecting rod 5, the connecting rod sliding pin 25 and the connecting rod seat 6, and the weight 28, the movable pulley connecting rod 24 and the steel wire rope movable pulley 7 move upward under the action of the pulling force, so that the steel wire rope 13 is loosened, the pulling force on the steel wire rope is reduced, and the front folding plate 18 and the rear folding plate 16 fall back to be horizontal.

The two pressurizing components are symmetrically arranged on two sides of the car frame 37 left and right, and each pressurizing component comprises a push rod rear seat 1, a push rod 2, a push rod front hoop 3, a push plate 4, a flatting in-place switch 33, a switch beating plate 34, a retracting in-place switch 35, an in-place switch frame 36, a push rod rear pin 40, a push rod front hoop seat 41 and a push rod pin 42. Wherein: the push rod rear seat 1 is fixed on the car frame 37, the rear end of a push rod fixed end 201 of the push rod 2 is connected with the push rod rear seat 1 through a push rod rear pin 40 and further fixed on the car frame 37, and the front end of the push rod fixed end 201 is fixed on the car frame 37 through a push rod front hoop 3 and a push rod front hoop seat 41; the push plate 4 is sleeved on the push rod moving end 202 of the push rod 2 and fixed together through the push rod pin 42, the switch beating plate 34 is fixed on the push plate 4, the flat-in-place switch 33 and the retract-in-place switch 35 are fixed on the in-place switch frame 36, and are fixed on the car frame 37 through the in-place switch frame 36.

When the car of the car elevator is on the flat floor: the control system energizes the left and right push rods 2 on the car frame 37 corresponding to the layer, so that the moving end 202 of the push rod starts to extend, the push plate 4 moves forward to contact and press the hinged part of the inner connecting rod 5 and the outer connecting rod 43, at the moment, the push force generated by the push rod 2 is transmitted to the pressure on the hinged part, the pressure makes the included angle between the outer connecting rod 43 and the inner connecting rod 5 larger, the connecting rod sliding pin 25 drives the movable pulley connecting rod 24 to move upwards, the heavy hammer 28 connected to the pulley connecting rod 24 through the pull plate 26 is pulled to move upwards, meanwhile, the steel wire rope movable pulley 7 moves upwards along with the pulley connecting rod 24 under the action of the pulling force of the steel wire rope 13, the pulling force of the steel wire rope 13 is reduced and loosened, so that the included angle between the front folding plate 18 and the rear folding plate 16 under the action of self gravity and the resilience force of the compression spring 48 is gradually increased until the front folding plate 18 and the rear folding plate 16 become horizontal state, and at the moment, the switch plate 34 triggers the leveling switch 33 to cut off the push rod 2, the car can now enter and exit the elevator car via the device.

When the car of the car elevator is about to leave the floor level: the control system gives an instruction to electrify the left and right push rods 2 on the car frame 37 corresponding to the layer to make the moving end 202 of the push rod begin to withdraw, at this time, the pressure pressing on the hinged part of the inner connecting rod 5 and the outer connecting rod 43 is in a decreasing trend, the heavy hammer 28 drives the connecting rod sliding pin 25 to move downwards through the pull plate 26 under the action of self gravity, the included angle between the outer connecting rod 43 and the inner connecting rod 5 becomes smaller, the connecting rod sliding pin 25 drives the steel wire rope moving pulley 7 to move downwards together, the tension on the steel wire rope 13 increases gradually while the steel wire rope moving pulley 7 moves downwards, the tension on the steel wire rope 13 is transmitted to the front folding plate 18 through the steel wire rope outer rope head 23, the steel wire rope outer rope head pin 22 and the steel wire rope outer rope head seat 21, under the action of the tension, the front folding plate 18 and the rear folding plate 16 arch upwards against self gravity and the elasticity of the compression spring 48, the included angle between the front folding plate 18 and the rear folding plate 16 becomes smaller gradually, until the weight 28 falls to the position of the lower limit adjusting bolt 32, at this time, the moving end 202 of the push rod continues to retract until the switch striking plate 34 triggers the retraction switch 35 to cut off the power of the push rod 2, at this time, the triangular prism-shaped structure formed by the front folding plate 18 and the rear folding plate 16 is blocked in front of the landing door opening 39, so as to prevent the car from colliding with the landing door under the condition that the elevator car is not on the floor, and the danger is generated.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a car elevator is with crashproof blocking device of layer door, its includes locates the subaerial and the body that blocks that is located the place ahead of layer door, is used for driving block body arch or exhibition flat thereby adjust block body's height make it in the passing state with block the drive division of switching between the state which characterized in that: the barrier body comprises a front folding plate and a rear folding plate which are hinged with each other, one side of the rear folding plate close to the landing door is the rear side, the other side of the rear folding plate is the front side, the rear end part of the rear folding plate is rotatably connected to the ground, the driving part is connected with the front folding plate, and when the driving part drives the front folding plate and the rear folding plate to arch, the anti-collision barrier device is in a barrier state; when the driving part drives the front folding plate and the rear folding plate to be unfolded and flat, the anti-collision blocking device is in a passing state at the moment.

2. The landing door anti-collision blocking device for the automobile elevator according to claim 1, characterized in that: the driving parts are two and are symmetrically arranged on the left side and the right side of the blocking body respectively.

3. The landing door anti-collision blocking device for the automobile elevator as claimed in claim 2, wherein: every the drive division is including locating power portion, wire rope, switching-over subassembly and the reset assembly in the elevator well, wire rope one end with power portion is connected, and its another tip is connected with the preceding tip of preceding folded sheet, the switching-over subassembly includes wire rope fixed pulley frame, install in first wire rope fixed pulley and second wire rope fixed pulley on the wire rope fixed pulley frame, wire rope follows after the top of first wire rope fixed pulley is walked around the below of second wire rope fixed pulley and is connected with the preceding tip of preceding folded sheet, the reset assembly is including locating block the body left and right sides the guide holder, connect in on the guide holder and be located the pressure spring key seat that blocks the body below, wear to locate in the pressure spring key seat and the rear end be equipped with the pressure spring round pin of anticreep nut, cover locate on the pressure spring round pin and the front end with the front end of pressure spring round pin is fixed while the rear end supports tightly on the preceding terminal surface of pressure spring key seat Compression spring, when power portion drives the action of wire rope, preceding folded sheet turns over the book and compresses the pressure spring round pin towards the rear end of back folded sheet, until the state of blockking, when power portion reduces or eliminates the effort to wire rope, the preceding tip that the pressure spring round pin promoted preceding folded sheet under compression spring's effect moves forward, and until preceding folded sheet and back folded sheet exhibition flat, anticollision blocking device is in the current state this moment.

4. The landing door anti-collision blocking device for the automobile elevator as claimed in claim 3, wherein: the method is characterized in that: the power part comprises an inner connecting rod, a connecting rod seat, a steel wire rope movable pulley, a steel wire rope inner rope head frame, a steel wire rope, a movable pulley connecting rod, a connecting rod sliding pin, a pulling plate, a connecting pin, a heavy hammer pipe hoop, a heavy hammer pipe, a lower limiting seat, a lower limiting adjusting bolt, an outer connecting rod, a movable connecting rod pin, a fixed connecting rod pin and a pressurizing assembly, wherein the steel wire rope firstly and secondly bypasses a second steel wire rope fixed pulley and a first steel wire rope fixed pulley, the direction of the steel wire rope is horizontally guided into a hoistway and vertically downwards and then bypasses the steel wire rope movable pulley, the direction of the steel wire rope is turned upwards and is connected with the steel wire rope inner rope head together, and the steel wire rope inner rope head is fixed on the hoistway wall through the steel wire rope inner rope head frame; the connecting rod seats are fixed on the wall of the hoistway, the outer connecting rod is arranged between the two connecting rod seats, a pin hole at one end of the outer connecting rod is coaxially arranged with a pin hole on the connecting rod seat, the fixed connecting rod pin penetrates through the pin holes on the two connecting rod seats and the pin hole of the outer connecting rod and is fixed on the connecting rod seats, and the outer connecting rod can rotate around the fixed connecting rod pin; the connecting rod sliding pin is arranged in the sliding grooves on the two connecting rod seats, the connecting rod sliding pin can move along the sliding grooves, one end of the inner connecting rod is connected with the other end of the outer connecting rod through the movable connecting rod pin, the other end of the inner connecting rod is connected to the connecting rod sliding pin and is coaxially arranged with the connecting rod sliding pin, one end of the movable pulley connecting rod with a pin hole is connected to the connecting rod sliding pin and is coaxially arranged with the connecting rod sliding pin, and the other end of the movable pulley connecting rod is fixedly connected with the steel wire rope movable pulley; the upper end of the pull plate is connected and fixed with the movable pulley connecting rod, the lower end of the pull plate is connected with a heavy hammer through a connecting pin, the heavy hammer is sleeved in a heavy hammer pipe and can move up and down, the heavy hammer pipe is fixed on a hoistway wall through an upper heavy hammer pipe hoop and a lower heavy hammer pipe hoop, a lower limit seat is fixed on the hoistway wall, a lower limit adjusting bolt is arranged on the lower limit seat, the lowest position of the heavy hammer is set by adjusting the extending length of the lower limit adjusting bolt, and the heavy hammer is prevented from falling into the hoistway when a steel wire rope is broken; the self gravity of the heavy hammer is transmitted to the movable pulley of the steel wire rope through the pulling plate and the movable pulley connecting rod and is converted into the pulling force on the steel wire rope, so that the front folding plate and the rear folding plate are kept in an arched state; when the pressurizing assembly applies pressure on the hinged position of the inner connecting rod and the outer connecting rod, the pressure is transmitted to be upward pulling force on the connecting rod sliding pin through a connecting rod sliding block mechanism consisting of the fixed connecting rod pin, the outer connecting rod, the movable connecting rod pin, the inner connecting rod, the connecting rod sliding pin and the connecting rod seat, the heavy hammer, the movable pulley connecting rod and the steel wire rope movable pulley move upwards under the action of the pulling force, so that the steel wire rope is loosened, the pulling force on the steel wire rope is reduced, and the front folding plate and the rear folding plate fall back to be in a horizontal state.

5. The landing door anti-collision blocking device for the automobile elevator as claimed in claim 4, wherein: the method is characterized in that: each pressurizing assembly comprises a push rod rear seat, a push rod front hoop, a push plate, a flatting in-place switch, a switch beating plate, a retracting in-place switch, an in-place switch frame, a push rod rear pin, a push rod front hoop seat and a push rod pin, wherein the push rod rear seat is fixed on the car frame; the push plate is sleeved on the moving end of the push rod and fixed together with the push rod through the push rod pin, the switch beating plate is fixed on the push plate, the in-place switch is laid flat and the in-place switch is folded and fixed on the in-place switch frame, and the in-place switch frame is fixed on the car frame.

6. The landing door anti-collision blocking device for the automobile elevator according to claim 1, characterized in that: the method is characterized in that: the blocking body further comprises a front slope and a rear slope, the front slope is arranged in front of the front folding plate and fixed on the floor door opening ground, and the rear slope is arranged behind the rear folding plate and fixed on the floor door opening ground.

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