CN219971530U - Emergency self-rescue equipment of construction lifter for engineering construction - Google Patents

Abstract

The utility model discloses construction elevator emergency self-rescue equipment for engineering construction, which comprises an elevator main body, wherein an elevator cavity is arranged in the elevator main body, and a cover plate and a safety rope are arranged in the elevator cavity; the left side sliding of the elevator cavity is connected with a guide sliding rail, the upper end of the guide sliding rail extends upwards and penetrates through a pressurizing cavity arranged at the left end of the cover plate, and pressurizing plates capable of sliding left and right are symmetrically arranged at the left side and the right side of the pressurizing cavity; the right end is equipped with the balancing piece chamber in the lift main part, and the balancing piece intracavity is equipped with the balancing piece that can slide from top to bottom. According to the utility model, the falling state of the elevator main body is detected through the balance weight, so that the safety rope is driven to drop downwards into the elevator cavity to be fixedly connected with a trapped person, and then the fixed block is driven to be disconnected with the elevator main body through the pressurizing plate, so that the trapped person is released, the situation that staff is trapped due to accidental falling of the elevator main body is prevented, the safety protection capability of the elevator main body is improved, and the loss is reduced.

Description

Emergency self-rescue equipment of construction lifter for engineering construction

Technical Field

The utility model relates to the technical field of elevators, in particular to construction elevator emergency self-rescue equipment for engineering construction.

Background

In the construction process of high-rise engineering structures such as high-rise buildings, bridges, television towers, chimneys, power stations and the like, vertical transportation is an important factor influencing productivity. The construction lifter is a vertical lifting machine which is arranged outside a construction structure and used for conveying constructors, construction materials and construction equipment during construction, is large-scale construction mechanical equipment with highest vertical transportation efficiency in the construction process of a high-rise engineering structure, and is one of key equipment indispensable in construction. Meanwhile, the construction lifter has the advantages of stable transmission, quick lifting, simple structure, convenient use and the like, and is increasingly widely and frequently used in the construction process of modern high-rise engineering structures. However, due to negligence on the safety problem of the elevator in the use process, the use management is not scientific, so that various safety accidents of the construction elevator frequently occur, and great losses are brought to lives and properties in the engineering construction process. The reason for this is: when the construction elevator works at the vertical transportation high altitude, once accidents occur, the safety measures carried by the elevator fail, and large losses are easily caused. The life of the person is first, and compared with the loss of the lifter, the life safety of the trapped person in the lifting cage of the lifter is ensured to be placed at the first position and fully ensured. However, due to the influence of rapid falling of the cage, the trapped person in the traditional construction lifter is difficult to take self-rescue measures. The utility model discloses construction elevator emergency self-rescue equipment for engineering construction, which can solve the problems.

Disclosure of Invention

In order to solve the problems, the utility model provides construction elevator emergency self-rescue equipment for engineering construction, which comprises an elevator main body, wherein an elevator cavity is arranged in the elevator main body, a fixed block cavity with an upward opening is communicated with the center of the upper wall in the elevator cavity, fixed blocks capable of sliding up and down are arranged in the fixed block cavity, connecting blocks are symmetrically and fixedly arranged on the left side and the right side of the upper end face of the fixed block, a cover plate is fixedly connected with the upper end face of the connecting blocks on the left side and the right side, a guide slide rail is slidably connected in the elevator main body and positioned on the left side of the elevator cavity, a pressurizing cavity is arranged at the left end in the cover plate, the upper end of the guide slide rail extends upwards and penetrates through the upper wall and the lower wall in the pressurizing cavity, pressurizing plates capable of sliding left and right are symmetrically arranged on the left side and the right side of the pressurizing cavity, the left and right sides the pressurizing plate slides to the direction of the guide slide rail to prop against the outer circular surface of the guide slide rail so as to drive the guide slide rail to be fixedly connected with the cover plate, a safety rope cavity is arranged in the center of the inside of the fixed block, a safety rope shaft is rotationally arranged between the left wall and the right wall of the safety rope cavity, a safety rope is wound around the outer circular surface of the safety rope shaft, a closed plate cavity is communicated between the lower wall of the inside of the safety rope cavity and the lower wall of the inside of the fixed block cavity, a closed plate capable of sliding left and right is arranged in the closed plate cavity, the safety rope shaft can be driven to rotate when the closed plate slides leftwards so as to drive the lower end of the safety rope to slide downwards, the lower end of the safety rope extends downwards so as to enter the inside of the elevator cavity through the fixed block cavity after the closed plate cavity is opened, a balancing block cavity is arranged at the right end of the inside of the elevator main body, the balancing block cavity is provided with a balancing block capable of sliding up and down, when the left end in the elevator main body and the outer circular surface of the guide slide rail are in fault separation connection, when the elevator main body suddenly falls down, the balance block stays in place in a very short time due to the influence of inertia, and then the sealing plate is started to slide leftwards, so that the lower end of the safety rope extends downwards into the elevator cavity to be used by trapped staff in the elevator cavity, then the outer circular surface of the guide slide rail is propped against the outer circular surface of the guide slide rail through the left side and the right side, the fixed block and the left wall and the right wall of the cavity of the fixed block are separated from each other, the cover plate is driven to be fixed through the pressure plate, and the cover plate drives the staff to be fixed through the safety rope, so that the staff can be driven to separate from the elevator main body, and the elevator is separated from the guide slide rail.

Preferably, the center symmetry and fixedly connected with balancing piece stay cord of both ends about the balancing piece, balancing piece up end left side with symmetry and fixedly equipped with contact switch between balancing piece intracavity upper wall left side, just be located in the lift main part balancing piece intracavity upper and lower bilateral symmetry is equipped with the torsional spring chamber, it is equipped with torsion spring plate axle to rotate between the torsional spring intracavity left and right sides wall, torsion spring plate axle left and right sides symmetry and fixedly equipped with torsion spring plate, upper and lower both sides the balancing piece stay cord is kept away from balancing piece one end extends to upper and lower both sides respectively the torsional spring intracavity is around locating the torsional spring plate excircle surface, the torsional spring intracavity left and right sides both sides respectively with the torsional spring plate keep away from fixedly equipped with between the balancing piece stay cord terminal surface.

Preferably, the lower end and be located in the apron the fixed main motor that is equipped with in pressurization chamber right side, main motor left end face power is connected with main motor shaft, in the apron and be located the pressurization chamber with be equipped with between the main motor and switch the chamber, main motor shaft outer disc spline connection has the rotor, rotor left end extend left and run through in switch the intracavity left and right sides wall, rotor is located switch intracavity inner and outer disc and be close to switch intracavity right wall and fixedly be equipped with first bevel gear, rotor is located switch intracavity inner and outer disc and be located first bevel gear left side is fixed and is equipped with the second bevel gear, rotor right-hand member extends right to be equipped with in the apron and rotate a chamber, rotor intracavity right wall is fixed and is equipped with the initiative electro-magnet, rotor right-hand member face fixed be equipped with the annular magnet of initiative electro-magnet magnetic connection, rotor right-hand member face with be equipped with the annular magnet spring between the initiative electro-magnet left end face fixed.

Preferably, the center of one end face of the guide rail, far away from the guide rail, of the pressurizing plate is fixedly provided with pressurizing sleeves, the left side and the right side are respectively connected with pressurizing threaded shafts in the pressurizing sleeves in a threaded mode, pressurizing belt wheel cavities are symmetrically arranged on the left side and the right side of the pressurizing belt wheel cavities, pressurizing belt wheels are symmetrically arranged on the front side and the rear side of the pressurizing belt wheel cavities in a rotating mode, pressurizing synchronous belts are wound between the pressurizing belt wheels on the front side and the rear side of the pressurizing belt wheel cavities, one ends of the pressurizing threaded shafts, far away from the guide rail, of the pressurizing threaded shafts are respectively extended to the left side and the right side of the pressurizing belt wheel cavities are fixedly connected with the pressurizing belt wheel shafts, the right ends of the pressurizing belt wheel shafts are extended to the right side of the pressurizing belt wheel cavities in a rotating mode, straight gear cavities are arranged in the right side of the pressurizing belt wheel cavities in the cover plate, the right side of the pressurizing belt wheel shafts extend to the right side of the straight gear cavities, and the left side of the rotating piece can be meshed with the straight gear cavities in a sliding mode.

Preferably, the fixing block is internally provided with a rotating cavity, the left end of the safety rope shaft extends leftwards to the rotating cavity, a safety rope bevel gear is fixedly arranged in the rotating cavity, the left wall of the inner cavity of the sealing plate is communicated with a sealing plate sliding cavity, the inner thread of the sealing plate is connected with a sealing plate shaft, the lower end of the fixing block is located at the left side and the right side of the lower side of the rotating cavity, a transmission cavity is symmetrically arranged at the left side and the right side of the lower side of the rotating cavity, the left end of the sealing plate shaft extends leftwards and penetrates through the left side and the right side of the inner cavity, transmission bevel gears are respectively fixedly arranged on the inner and outer circular surfaces of the transmission cavity, a rotating bevel gear shaft is arranged between the lower wall of the rotating cavity and the upper wall of the transmission cavity, the upper and lower ends of the rotating bevel gear shaft extend to the rotating cavity and the right side respectively, the rotating bevel gears are fixedly arranged in the transmission cavity, the upper side of the rotating bevel gear shaft is meshed with the safety rope bevel gears, the lower side of the rotating cavity is meshed with the transmission bevel gears, the left side of the rotating shaft is rotatably arranged at the upper side of the rotating cavity, the rotating shaft is meshed with the transmission bevel gears, the left side of the rotating shaft is rotatably arranged at the upper side of the rotating cavity, and the rotating shaft is meshed with the first rotating shaft is fixedly arranged at the upper side of the rotating shaft and is meshed with the rotating shaft.

Preferably, the left and right sides symmetry is equipped with the opening and keeps away from the locking piece chamber in the fixed block the locking piece intracavity is close to locking threaded shaft is rotated respectively in locking piece intracavity be close to safety rope intracavity one side inner wall center, locking threaded shaft outer disc threaded connection has the locking piece, the left and right sides symmetry is equipped with respectively with the left and right sides in the lift main part locking piece chamber is linked together locking piece chamber, locking piece outer disc with locking intracavity wall threaded connection, the left and right sides the locking piece chamber is close to safety rope chamber one side is equipped with locking band pulley chamber respectively, locking band pulley intracavity front and back bilateral symmetry and rotation are equipped with locking band pulley, front and back both sides around being equipped with locking hold-in between the locking band pulley, the left and right sides locking threaded shaft is close to safety rope chamber one end extends respectively to left and right sides locking band pulley intracavity and front side locking band pulley axle fixed connection the locking band pulley intracavity rear end rotates and is equipped with locking band pulley shaft, locking band pulley shaft left and right sides extend respectively to left and right sides locking band pulley intracavity and locking band pulley axle center fixed connection.

Preferably, the right side of the locking belt wheel cavity is provided with a locking bevel gear cavity, the right end of the locking threaded shaft on the left side extends rightwards to the locking bevel gear cavity to be fixedly provided with a locking bevel gear, the center of the upper wall in the locking bevel gear cavity is rotationally provided with a second meshing rotating shaft, and the upper end of the second meshing rotating shaft upwards penetrates through the left side of the connecting block and extends to the switching cavity to be fixedly provided with a second meshing bevel gear which can be meshed with the second bevel gear.

The beneficial effects of the utility model are as follows: according to the utility model, the falling state of the elevator main body is detected through the balance weight, so that the safety rope is driven to drop downwards into the elevator cavity to be fixedly connected with a trapped person, and then the fixed block is driven to be disconnected with the elevator main body through the pressurizing plate, so that the trapped person is released, the situation that staff is trapped due to accidental falling of the elevator main body is prevented, the safety protection capability of the elevator main body is improved, and the loss is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the structure of A-A in fig. 1.

Fig. 3 is a schematic diagram of the structure of B-B in fig. 1.

Fig. 4 is an enlarged schematic view of the structure of fig. 1C.

Fig. 5 is an enlarged schematic view of the structure of D in fig. 1.

Fig. 6 is an enlarged schematic view of the structure of E in fig. 1.

Detailed Description

The utility model will now be described in detail with reference to fig. 1-6, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.

The utility model relates to construction elevator emergency self-rescue equipment for engineering construction, which comprises an elevator main body 11, wherein an elevator cavity 12 is arranged in the elevator main body 11, a fixed block cavity 19 with an upward opening is communicated with the center of the upper wall in the elevator cavity 12, a fixed block 20 capable of sliding up and down is arranged in the fixed block cavity 19, connecting blocks 18 are symmetrically and fixedly arranged on the left side and the right side of the upper end face of the fixed block 20, cover plates 17 are fixedly connected on the left side and the right side of the upper end face of the connecting blocks 18, guide rails 13 are slidingly connected in the elevator main body 11 and positioned on the left side of the elevator cavity 12, a pressurizing cavity 30 is arranged at the left end in the cover plates 17, the upper ends of the guide rails 13 extend upwards and penetrate through the upper wall and the lower wall in the pressurizing cavity 30, pressurizing plates 29 capable of sliding left and right are symmetrically arranged on the left side and the right side in the pressurizing cavity 30, the pressurizing plates 29 on the left and right sides slide towards the direction of the guide slide rail 13 until the pressurizing plates are propped against the outer circular surface of the guide slide rail 13 so as to drive the guide slide rail 13 to be fixedly connected with the cover plate 17, a safety rope cavity 64 is arranged at the inner center of the fixed block 20, a safety rope shaft 62 is rotatably arranged between the left wall and the right wall of the safety rope cavity 64, a safety rope 63 is wound on the outer circular surface of the safety rope shaft 62, a sealing plate cavity 53 is communicated between the inner lower wall of the safety rope cavity 64 and the inner lower wall of the fixed block cavity 19, a sealing plate 54 capable of sliding left and right is arranged in the sealing plate cavity 53, the safety rope shaft 62 can be driven to rotate so as to drive the lower end of the safety rope 63 to slide downwards when the sealing plate 54 slides leftwards, after the sealing plate cavity 53 is opened by the sealing plate 54, the lower end of the safety rope 63 extends downwards so as to enter the lifter cavity 12 through the fixed block cavity 19, a balancing block cavity 71 is arranged at the inner right end of the lifter main body 11, the balance weight cavity 71 is internally provided with a balance weight 73 capable of sliding up and down, when the left end in the elevator main body 11 and the outer circular surface of the guide rail 13 are in fault disconnection, when the elevator main body 11 suddenly falls down, the balance weight 73 stays in place in a very short time due to inertia effect, and then the closing plate 54 is started to slide leftwards, so that the lower end of the safety rope 63 extends downwards into the elevator cavity 12 for a trapped worker in the elevator cavity 12, then the left and right sides abut against the outer circular surface of the guide rail 13 through the pressure plates 29, and meanwhile, the fixed block 20 and the left and right walls in the fixed block cavity 19 are disconnected, and then the cover plate 17 is driven to be fixed through the pressure plates 29, and the cover plate 17 drives the worker to be fixed through the safety rope 63, and can drive the worker to be separated from the elevator main body 11, so that the trapped worker is released.

The balance weight 73 is characterized in that the center of the upper end face and the lower end face of the balance weight 73 are symmetrical, a balance weight pull rope 74 is fixedly connected, a contact switch 70 is symmetrically and fixedly arranged between the left side of the upper end face of the balance weight 73 and the left side of the upper wall in the balance weight cavity 71, a torsion spring cavity 72 is symmetrically arranged in the elevator main body 11 and positioned at the upper side and the lower side of the balance weight cavity 71, a torsion spring plate shaft 77 is rotatably arranged between the left wall and the right wall in the torsion spring cavity 72, the left end and the right end of the torsion spring plate shaft 77 are symmetrically and fixedly provided with torsion spring plates 76, the upper side and the lower side of the balance weight pull rope 74 are far away from one end of the balance weight 73, the upper side and the lower side of the balance weight pull rope are respectively extended to the upper side and the lower side of the upper end face of the torsion spring cavity 72 and are wound on the outer circular surface of the torsion spring plates 76, and the left wall and the right wall of the torsion spring cavity 76 are respectively far away from the left side and the lower side of the torsion spring plate 76, and a torsion spring 75 is fixedly arranged between one end face of the balance weight 74. In the initial state, the left and right pressurizing plates 29 are disconnected from the guide rail 13, the balance weight 73 is positioned in the middle of the balance weight cavity 71, and the torsion spring 75 is in a torsion state.

Advantageously, the lower end in the cover 17 and be located the fixed main motor 38 that is equipped with in pressurization chamber 30 right side, main motor 38 left end face power is connected with main motor shaft 39, in the cover 17 and be located pressurization chamber 30 with be equipped with the switching chamber 52 between the main motor 38, main motor shaft 39 outer disc spline connection has rotor 47, rotor 47 left end extend left and run through in switching chamber 52 left and right sides wall, rotor 47 is located the inside and outside circular surface of switching chamber 52 and be close to switching chamber 52 inner right wall is fixed and is equipped with first bevel gear 49, rotor 47 is located switching chamber inside and outside circular surface and be located first bevel gear 49 left side is fixed and is equipped with second bevel gear 51, rotor 47 right-hand member extends to be equipped with rotor chamber 40 in the cover 17, rotor chamber 40 inner right wall is fixed and is equipped with initiative electromagnet 50, rotor 47 right-hand member face is fixed and is equipped with initiative electromagnet 41 with initiative electromagnet 50 magnetism connection's annular magnet 41, rotor 47 right-hand member face and initiative electromagnet 48 are fixed between the initiative electromagnet 48. In the initial state, the active electromagnet 50 is not started, the main motor 38 stops working, and the closing plate 54 closes the closing plate cavity 53.

Advantageously, the center of the end surface of the pressure plate 29 far from the guide rail 13 is fixedly provided with a pressure sleeve 37, the pressure sleeve 37 on the left and right sides is internally and respectively connected with a pressure threaded shaft 33 in a threaded manner, the cover plate 17 is internally and symmetrically provided with pressure belt wheel cavities 31 on the left and right sides of the pressure belt wheel cavity 30, the pressure belt wheel cavities 31 are internally and symmetrically provided with pressure belt wheels 32 in a rotating manner, a pressure synchronous belt 34 is wound around the pressure belt wheels 32 on the front and rear sides, one end of the pressure threaded shaft 33, which is far from the guide rail 13, is respectively extended to the left and right sides, the pressure belt wheel cavity 31 is fixedly connected with the axle center of the pressure belt wheel 32 on the front side, the axle center of the pressure belt wheel 32 is fixedly provided with a pressure belt wheel axle 35 on the right side, the front side of the pressure belt wheel 32 in the pressure belt wheel cavity 31 is fixedly connected with the axle center of the pressure belt wheel 35 on the right side, the cover plate 17 is internally provided with a straight gear cavity 36 on the right side of the pressure belt wheel cavity 30, the right side of the pressure belt wheel 33 is provided with a straight gear cavity 36, the right side of the pressure belt wheel 33 is extended to the right side, and the straight gear wheel cavity 36 is capable of rotating to the right side, and the straight gear wheel cavity 15 is extended to the right side, and the straight gear cavity 15 is engaged with the straight gear wheel cavity 15. In the initial state, the first bevel gear 49 is meshed with the first meshing bevel gear 42, the second bevel gear 51 is separated from the second meshing bevel gear 46, and the pressing spur gear 15 is separated from the sliding spur gear 14.

Advantageously, a rotating cavity 68 is disposed in the fixed block 20 and located at the left side of the safety rope cavity 64, a safety rope bevel gear 66 is fixedly disposed at the left end of the safety rope shaft 62 extending to the left side of the rotating cavity 68, a sealing plate sliding cavity 55 is communicated with the inner left wall of the sealing plate cavity 53, a sealing plate shaft 60 is connected to the inner lower end of the sealing plate 54 in a threaded manner, a transmission cavity 57 is symmetrically disposed at the left side and the right side of the lower side of the rotating cavity 68, the left end of the sealing plate shaft 60 extends to the left side and penetrates through the left side and the right side of the transmission cavity 57, a transmission bevel gear 58 is fixedly disposed on the inner and outer circular surfaces of the transmission cavity 57 respectively, a rotating bevel gear shaft 67 is rotatably disposed between the inner lower wall of the rotating cavity 68 and the inner upper wall of the transmission cavity 57, a rotating bevel gear shaft 65 is fixedly disposed at the inner lower end of the rotating bevel gear shaft 67 and the inner side of the rotating cavity 68 respectively, a rotating bevel gear 65 is rotatably disposed at the inner side of the transmission cavity 57, the upper side of the rotating bevel gear 65 is meshed with the rotating bevel gear shaft 65 and the rotating bevel gear shaft 65, and the rotating shaft 43 is rotatably disposed at the inner side of the rotating shaft 43, and the rotating end of the rotating shaft 43 is meshed with the rotating shaft 43, and the rotating shaft is meshed with the upper side of the rotating bevel gear shaft 43.

When an accident occurs to the elevator main body 11, the elevator main body is disconnected with the guide rail 13, and a rapid falling accident occurs, the elevator main body is in place in a very short time due to inertia, after the upper balance weight pull rope 74 is loosened, the torsion spring 75 rotates to drive the upper balance weight pull rope 74 to wind on the outer circular surface of the upper torsion spring plate shaft 77, the upper contact switch 70 slides downwards to be in contact with the lower contact switch 70, the main motor 38 is started, the main motor 38 drives the main motor shaft 39 to rotate, the rotating piece 47 is driven to rotate through spline connection, the rotating piece 47 drives the first bevel gear 49 and the second bevel gear 51 to rotate through fixed connection, the first bevel gear 49 rotates through gear engagement to drive the first engaged bevel gear 42 to rotate, the first engaged bevel gear 42 drives the first rotating shaft 43 to rotate through fixed connection, the first rotating shaft 43 drives the driven bevel gear 61 to rotate through transmission, the driven bevel gear 61 drives the left side transmission bevel gear 58 to rotate through gear engagement, the left side transmission bevel gear 58 drives the closing plate shaft 60 to rotate through fixed connection, the closing plate shaft 60 drives the right side transmission bevel gear 58 to rotate through fixed connection, the right side transmission bevel gear 58 drives the lower side rotation bevel gear 65 to rotate through gear engagement, the lower side rotation bevel gear 65 drives the upper side rotation bevel gear 65 to rotate through rotation bevel gear shaft 67, the upper side rotation bevel gear 65 drives the safety rope bevel gear 66 to rotate through gear engagement, the safety rope bevel gear 66 drives the safety rope shaft 62 to rotate through fixed connection, the safety rope shaft 62 drives the safety rope 63 to loosen, the lower end of the safety rope 63 extends downwards, at this time, the closing plate shaft 60 rotates to drive the closing plate 54 to slide leftwards into the closing plate sliding cavity 55 through threaded connection, the closing plate 54 opens the closing plate cavity 53, the lower end of the safety line 63 extends downwardly through the closure plate cavity 53 and the block cavity 19 and into the elevator cavity 12 for use by trapped personnel in the elevator cavity 12.

The locking device is characterized in that locking block cavities 59 with openings far away from the safety rope cavity 64 are symmetrically arranged on the left and right sides in the fixed block 20, locking threaded shafts 26 are respectively arranged in the locking block cavities 59 and close to the centers of inner walls of one side of the safety rope cavity 64 in a rotating mode, locking blocks 23 are connected to the outer circular surfaces of the locking threaded shafts 26 in a threaded mode, locking cavities 24 which are respectively communicated with the locking block cavities 59 are symmetrically arranged on the left and right sides in the lifter main body 11, the outer circular surfaces of the locking blocks 23 are in threaded connection with the inner walls of the locking cavities 24, locking pulley cavities 28 are respectively arranged on the left and right sides on the side, close to the safety rope cavity 64, of the locking block cavities 59, locking pulleys 25 are symmetrically arranged on the front and rear sides in the locking pulley cavities 28 in a rotating mode, locking synchronous belts 27 are wound between the locking pulleys 25, one ends of the locking threaded shafts 26 close to the safety rope cavity 64 are respectively extended to the left and right sides in the locking pulley cavities 28 and fixedly connected to the axes of the locking pulleys 25, and the left and right sides of the locking pulleys 28 are respectively extended to the left and right sides of the locking pulley cavities 28, and the left and the locking pulley shafts are respectively connected to the left and right sides of the locking pulley cavities 56.

Advantageously, the right side of the locking pulley cavity 28 on the left side is provided with a locking bevel gear cavity 21, the right end of the locking threaded shaft 26 on the left side extends rightwards to the locking bevel gear cavity 21, a locking bevel gear 22 is fixedly arranged in the locking bevel gear cavity 21, the center of the upper wall in the locking bevel gear cavity 21 is rotatably provided with a second meshing rotating shaft 45, and the upper end of the second meshing rotating shaft 45 penetrates upwards through the left side of the connecting block 18 and extends to the switching cavity 52, and a second meshing bevel gear 46 which can be meshed with the second bevel gear 51 is fixedly arranged in the switching cavity.

When the closing plate 54 slides to the left limit in the closing plate sliding chamber 55, the driving electromagnet 50 starts to drive the ring magnet 41 to slide to the left through the magnetic connection, the ring magnet 41 drives the rotating member 47 to slide to the left through the fixed connection, and then drives the first bevel gear 49 to slide to the left through the fixed connection to be disconnected with the first engagement bevel gear 42, the rotating member 47 drives the second bevel gear 51 to slide to the left to be engaged with the second engagement bevel gear 46, the rotating member 47 drives the sliding spur gear 14 to slide to the left to be engaged with the pressing spur gear 15, the second bevel gear 51 rotates to drive the second engagement bevel gear 46 to rotate through the gear engagement, the second engagement bevel gear 46 drives the second engagement rotating shaft 45 to rotate through the fixed connection, and then drives the locking bevel gear 22 to rotate through the gear engagement of the driven bevel gear 69 and the locking bevel gear 22, the locking bevel gear 22 drives the left locking threaded shaft 26 to rotate through fixed connection, the left locking threaded shaft 26 drives the front locking belt pulley 25 in the left locking belt pulley cavity 28 to rotate through fixed connection, the front locking belt pulley 25 drives the rear locking belt pulley 25 to rotate through the locking synchronous belt 27 in the left locking belt pulley cavity 28, the rear locking belt pulley 25 drives the locking belt pulley shaft 56 to rotate through fixed connection, the locking belt pulley shaft 56 drives the rear locking belt pulley 25 in the right locking belt pulley cavity 28 to rotate, the rear locking belt pulley 25 drives the front locking belt pulley 25 to rotate through the locking synchronous belt 27 and further drives the right locking threaded shaft 26 to rotate through fixed connection, at the moment, the left locking threaded shaft 26 and the right locking block 23 are respectively driven to slide in the direction of the safety rope cavity 64 through threaded connection until the rear locking belt pulley shaft is separated from the inner wall of the locking cavity 24, at this time, the fixed block 20 and the elevator main body 11 are separated from a fixed connection state, at the same time, the sliding spur gear 14 drives the pressurizing spur gear 15 to rotate through gear engagement, the pressurizing spur gear 15 drives the right pressurizing threaded shaft 33 to rotate through fixed connection, the right pressurizing threaded shaft 33 drives the rear pressurizing belt pulley 32 in the right pressurizing belt pulley cavity 31 to rotate through fixed connection, the rear pressurizing belt pulley 32 drives the front pressurizing belt pulley 32 to rotate through the pressurizing synchronous belt 34, the front pressurizing belt pulley 32 drives the pressurizing belt pulley shaft 35 to rotate through fixed connection, and then drives the front pressurizing belt pulley cavity 31 in the left pressurizing belt pulley cavity 31 to rotate, the front pressurizing belt pulley cavity 31 drives the rear pressurizing belt pulley cavity 31 to rotate through the pressurizing synchronous belt 34, the rear pressurizing belt pulley cavity 31 drives the left pressurizing threaded shaft 33 to rotate through fixed connection, at this time, the left pressurizing threaded shaft 33 rotates simultaneously, and then drives the left pressurizing sleeve 37 to slide towards the direction close to the guiding rail 13 through threaded connection, and then drives the cover plate 17 to fixedly connect with the guiding rail 13 through the pressurizing plate 29, the cover plate 17 drives the fixed block 20 through the fixed connection, and the elevator is prevented from falling down to the elevator main body 11, and the personnel is prevented from falling down accidentally.

The following describes in detail the steps of using an emergency self-rescue apparatus of a construction lifter for construction work in this context with reference to fig. 1 to 6:

in the initial state, the left and right pressurizing plates 29 are disconnected with the guide rail 13, the first bevel gear 49 is meshed with the first meshing bevel gear 42, the second bevel gear 51 is separated from the second meshing bevel gear 46, the pressurizing spur gear 15 is separated from the sliding spur gear 14, the driving electromagnet 50 is not started, the main motor 38 stops working, the sealing plate cavity 53 is sealed by the sealing plate 54, the balance weight 73 is positioned in the middle of the balance weight cavity 71, and the torsion spring 75 is in a torsion state.

When an accident occurs to the elevator main body 11, the elevator main body is disconnected with the guide rail 13, and a rapid falling accident occurs, the elevator main body is in place in a very short time due to inertia, after the upper balance weight pull rope 74 is loosened, the torsion spring 75 rotates to drive the upper balance weight pull rope 74 to wind on the outer circular surface of the upper torsion spring plate shaft 77, the upper contact switch 70 slides downwards to be in contact with the lower contact switch 70, the main motor 38 is started, the main motor 38 drives the main motor shaft 39 to rotate, the rotating piece 47 is driven to rotate through spline connection, the rotating piece 47 drives the first bevel gear 49 and the second bevel gear 51 to rotate through fixed connection, the first bevel gear 49 rotates through gear engagement to drive the first engaged bevel gear 42 to rotate, the first engaged bevel gear 42 drives the first rotating shaft 43 to rotate through fixed connection, the first rotating shaft 43 drives the driven bevel gear 61 to rotate through transmission, the driven bevel gear 61 drives the left side transmission bevel gear 58 to rotate through gear engagement, the left side transmission bevel gear 58 drives the closing plate shaft 60 to rotate through fixed connection, the closing plate shaft 60 drives the right side transmission bevel gear 58 to rotate through fixed connection, the right side transmission bevel gear 58 drives the lower side rotation bevel gear 65 to rotate through gear engagement, the lower side rotation bevel gear 65 drives the upper side rotation bevel gear 65 to rotate through rotation bevel gear shaft 67, the upper side rotation bevel gear 65 drives the safety rope bevel gear 66 to rotate through gear engagement, the safety rope bevel gear 66 drives the safety rope shaft 62 to rotate through fixed connection, the safety rope shaft 62 drives the safety rope 63 to loosen, the lower end of the safety rope 63 extends downwards, at this time, the closing plate shaft 60 rotates to drive the closing plate 54 to slide leftwards into the closing plate sliding cavity 55 through threaded connection, the closing plate 54 opens the closing plate cavity 53, at this time, the lower end of the safety rope 63 extends downwards through the closed plate cavity 53 and the fixed block cavity 19, and then enters the elevator cavity 12 for the trapped staff in the elevator cavity 12 to use;

when the closing plate 54 slides to the left limit in the closing plate sliding chamber 55, the driving electromagnet 50 starts to drive the ring magnet 41 to slide to the left through the magnetic connection, the ring magnet 41 drives the rotating member 47 to slide to the left through the fixed connection, and then drives the first bevel gear 49 to slide to the left through the fixed connection to be disconnected with the first engagement bevel gear 42, the rotating member 47 drives the second bevel gear 51 to slide to the left to be engaged with the second engagement bevel gear 46, the rotating member 47 drives the sliding spur gear 14 to slide to the left to be engaged with the pressing spur gear 15, the second bevel gear 51 rotates to drive the second engagement bevel gear 46 to rotate through the gear engagement, the second engagement bevel gear 46 drives the second engagement rotating shaft 45 to rotate through the fixed connection, and then drives the locking bevel gear 22 to rotate through the gear engagement of the driven bevel gear 69 and the locking bevel gear 22, the locking bevel gear 22 drives the left locking threaded shaft 26 to rotate through fixed connection, the left locking threaded shaft 26 drives the front locking belt pulley 25 in the left locking belt pulley cavity 28 to rotate through fixed connection, the front locking belt pulley 25 drives the rear locking belt pulley 25 to rotate through the locking synchronous belt 27 in the left locking belt pulley cavity 28, the rear locking belt pulley 25 drives the locking belt pulley shaft 56 to rotate through fixed connection, the locking belt pulley shaft 56 drives the rear locking belt pulley 25 in the right locking belt pulley cavity 28 to rotate, the rear locking belt pulley 25 drives the front locking belt pulley 25 to rotate through the locking synchronous belt 27 and further drives the right locking threaded shaft 26 to rotate through fixed connection, at the moment, the left locking threaded shaft 26 and the right locking block 23 are respectively driven to slide in the direction of the safety rope cavity 64 through threaded connection until the rear locking belt pulley shaft is separated from the inner wall of the locking cavity 24, at this time, the fixed block 20 and the elevator main body 11 are separated from a fixed connection state, at the same time, the sliding spur gear 14 drives the pressurizing spur gear 15 to rotate through gear engagement, the pressurizing spur gear 15 drives the right pressurizing threaded shaft 33 to rotate through fixed connection, the right pressurizing threaded shaft 33 drives the rear pressurizing belt pulley 32 in the right pressurizing belt pulley cavity 31 to rotate through fixed connection, the rear pressurizing belt pulley 32 drives the front pressurizing belt pulley 32 to rotate through the pressurizing synchronous belt 34, the front pressurizing belt pulley 32 drives the pressurizing belt pulley shaft 35 to rotate through fixed connection, and then drives the front pressurizing belt pulley cavity 31 in the left pressurizing belt pulley cavity 31 to rotate, the front pressurizing belt pulley cavity 31 drives the rear pressurizing belt pulley cavity 31 to rotate through the pressurizing synchronous belt 34, the rear pressurizing belt pulley cavity 31 drives the left pressurizing threaded shaft 33 to rotate through fixed connection, at this time, the left pressurizing threaded shaft 33 rotates simultaneously, and then drives the left pressurizing sleeve 37 to slide towards the direction close to the guiding rail 13 through threaded connection, and then drives the cover plate 17 to fixedly connect with the guiding rail 13 through the pressurizing plate 29, the cover plate 17 drives the fixed block 20 through the fixed connection, and the elevator is prevented from falling down to the elevator main body 11, and the personnel is prevented from falling down accidentally.

The beneficial effects of the utility model are as follows: according to the utility model, the falling state of the construction elevator main body for engineering construction is detected through the balance weight, so that the safety rope is driven to drop downwards into the elevator cavity to be fixedly connected with a trapped person, and then the fixed block is driven to be disconnected with the elevator main body through the pressurizing plate, so that the trapped person is released from the elevator main body, the occurrence of safety production accidents caused by trapping of working personnel due to accidental falling of the elevator main body is prevented, the safety protection capability of the elevator main body is improved, and the life and property loss in the engineering construction process is reduced.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (7)

1. The emergency self-rescue equipment of the construction elevator for engineering construction comprises an elevator main body, wherein an elevator cavity is arranged in the elevator main body, a fixed block cavity with an upward opening is communicated with the center of the upper wall in the elevator cavity, fixed blocks capable of sliding up and down are arranged in the fixed block cavity, connecting blocks are symmetrically and fixedly arranged on the left side and the right side of the upper end face of the fixed block, and cover plates are fixedly connected with the upper end faces of the connecting blocks on the left side and the right side;

the safety rope is characterized in that a safety rope cavity is arranged in the center of the fixing block, a safety rope shaft is rotatably arranged between the left wall and the right wall of the safety rope cavity, a safety rope is wound on the outer circular surface of the safety rope shaft, a sealing plate cavity is communicated between the lower wall of the safety rope cavity and the inner lower wall of the fixing block cavity, a sealing plate capable of sliding left and right is arranged in the sealing plate cavity, the safety rope shaft can be driven to rotate when the sealing plate slides left so as to drive the lower end of the safety rope to slide downwards, and after the sealing plate is used for opening the sealing plate cavity, the lower end of the safety rope extends downwards so as to enter the elevator cavity through the fixing block cavity;

the method is characterized in that:

the left end of the cover plate is provided with a pressurizing cavity, the upper end of the pressurizing cavity extends upwards and penetrates through the upper wall and the lower wall of the pressurizing cavity, pressurizing plates capable of sliding left and right are symmetrically arranged at the left side and the right side of the pressurizing cavity, and the pressurizing plates at the left side and the right side slide towards the direction of the guiding slide to abut against the outer circular surface of the guiding slide so as to drive the guiding slide to be fixedly connected with the cover plate;

the elevator is characterized in that a balance block cavity is formed in the right end in the elevator main body, a balance block capable of sliding up and down is arranged in the balance block cavity, when the left end in the elevator main body and the outer circular surface of the guide rail break away from each other, and when the elevator main body suddenly falls down, the balance block stays in place in a very short time due to inertia influence, and then the sealing plate is started to slide left, so that the lower end of the safety rope extends downwards into the elevator cavity to be used by trapped staff in the elevator cavity, then the left side and the right side are used by the pressing plate to abut against the outer circular surface of the guide rail, the fixing block and the left wall and the right wall of the fixing block cavity are separated from each other, and then the cover plate is driven to be fixed through the pressing plate, and the cover plate is driven to be fixed through the safety rope, so that the staff and the elevator main body can be driven to break away from each other, and the elevator is free from being trapped.

2. An emergency self-rescue apparatus for a construction hoist for engineering construction as claimed in claim 1, characterized in that: the balance weight is characterized in that the upper end face and the lower end face of the balance weight are centrosymmetric and fixedly connected with balance weight pull ropes, contact switches are symmetrically and fixedly arranged between the left side of the upper end face of the balance weight and the left side of the upper wall of the cavity of the balance weight, a torsion spring cavity is symmetrically arranged on the upper side and the lower side of the cavity of the balance weight in the elevator body, torsion spring plate shafts are rotationally arranged between the left wall and the right wall of the cavity of the balance weight, torsion spring plates are symmetrically and fixedly arranged on the left side and the right side of the torsion spring plate shafts, the upper side and the lower side of the balance weight pull ropes are far away from the balance weight one ends and respectively extend to the upper side and the lower side of the torsion spring cavity and are wound on the outer circular surface of the torsion spring plates, and the left wall and the right side of the cavity of the torsion spring are respectively far away from the torsion spring plates and fixedly arranged between one end face of the balance weight pull ropes.

3. An emergency self-rescue apparatus for a construction hoist for engineering construction as claimed in claim 1, characterized in that: the lower extreme just is located in the apron the fixed main motor that is equipped with in pressurization chamber right side, main motor left end face power is connected with main motor shaft, just be located in the apron the pressurization chamber with be equipped with between the main motor and switch the chamber, main motor shaft outer disc spline connection has the rotating member, the rotating member left end extend left and run through in switch the intracavity and control both walls, the rotating member is located switch intracavity outside disc and be close to switch intracavity right wall fixed be equipped with first bevel gear, the rotating member is located switch intracavity outside disc and be located first bevel gear left side is fixed and is equipped with the second bevel gear, the rotating member right-hand member extends right to be equipped with in the apron and rotate a chamber, rotate a intracavity right wall fixed be equipped with the initiative electro-magnet, rotate the fixed ring magnet that is equipped with of initiative electro-magnet magnetism connection of rotating member right-end face with be equipped with the ring magnet spring between the initiative electro-magnet left end face.

4. A construction hoist emergency self-rescue apparatus for engineering construction as claimed in claim 3, wherein: the left side and the right side the pressurization board is kept away from guide rail one end face center department is fixed respectively and is equipped with the pressurization sleeve, and left side and right side respectively threaded connection has the pressurization screw thread axle in the pressurization sleeve, just be located in the apron pressurization intracavity left and right sides symmetry is equipped with the pressurization band pulley chamber, pressurization band pulley intracavity bilateral symmetry just rotates and is equipped with the pressurization band pulley, front and back both sides around being equipped with between the pressurization band pulley, the left and right sides the pressurization screw thread axle keeps away from guide rail one end and extends to left and right sides respectively pressurization band pulley intracavity and rear side pressurization band pulley axle fixed connection, the front side the pressurization band pulley axle right-hand member extends to the right side pressurization band pulley intracavity with the right side the front side in pressurization band pulley intracavity pressurization band pulley axle fixed connection, be located in the apron pressurization intracavity right side is equipped with the spur gear chamber, the right side the pressurization screw thread axle right side extends to the pressurization spur gear is equipped with in the spur gear intracavity fixedly, the rotating member left side extends to the spur gear of spur gear is equipped with the pressurization with the spur gear that can slide to the fixed in the spur gear chamber.

5. An emergency self-rescue apparatus for a construction hoist for engineering construction as claimed in claim 4, wherein: the utility model discloses a safety rope is characterized by also comprising a fixed block, a safety rope cavity, a transmission bevel gear, a rotating bevel gear shaft, a rotating bevel gear, a connecting block and a connecting block.

6. A construction hoist emergency self-rescue apparatus for engineering construction as claimed in claim 3, wherein: the left and right sides symmetry is equipped with the opening and keeps away from the locking piece chamber in the fixed block the locking piece intracavity is close to locking threaded shaft is rotated respectively in safety rope intracavity one side inner wall center, locking threaded shaft outer disc threaded connection has the locking piece, the left and right sides symmetry is equipped with respectively with the left and right sides in the lift main part locking piece chamber is linked together locking piece chamber, locking piece outer disc with locking intracavity wall threaded connection, the left and right sides the locking piece chamber is close to safety rope chamber one side is equipped with locking band pulley chamber respectively, locking band pulley intracavity front and back bilateral symmetry and rotation are equipped with locking band pulley, front and back both sides around being equipped with locking hold-in between the locking band pulley, the left and right sides locking threaded shaft is close to safety rope intracavity one end extends respectively to left and right sides locking band pulley intracavity and front side locking band pulley axle fixed connection, left and right sides locking band pulley intracavity rear end rotates and is equipped with locking band pulley axle, locking band pulley left and right sides extend respectively to left and right sides locking band pulley intracavity and locking band pulley axle fixed connection.

7. An emergency self-rescue apparatus for a construction hoist for engineering construction as claimed in claim 6, wherein: the left side locking pulley cavity right side is equipped with locking bevel gear chamber, and the left side locking screw thread axle right-hand member extends to locking bevel gear intracavity is fixed to be equipped with locking bevel gear, locking bevel gear intracavity upper wall center rotates and is equipped with the second meshing pivot, second meshing pivot upper end upwards run through in the left side the connecting block extends to the switching intracavity is fixed be equipped with can with the second meshing bevel gear that the second bevel gear meshed.