CN114735564B

CN114735564B - Bearing beam with fracture emergency load bearing function for elevator component and using method of bearing beam

Info

Publication number: CN114735564B
Application number: CN202210306200.4A
Authority: CN
Inventors: 张婷; 袁义兴; 何志军; 柯煌; 刘礼林; 商进
Original assignee: Dongtai Chuangyue Electromechanical Co ltd
Current assignee: Dongtai Chuangyue Electromechanical Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2023-03-07
Anticipated expiration: 2042-03-25
Also published as: CN114735564A

Abstract

The invention discloses a bearing beam with a broken emergency bearing function for an elevator component and a using method thereof, and belongs to the technical field of elevators. When the mounting beam at the traction machine base is broken, the combined wheel is braked through the emergency bearing mechanism, and the traction rope is tightly supported by combining the cohesion mechanism, so that the purpose of emergency bearing is achieved, and the car is prevented from falling.

Description

Bearing beam with fracture emergency load bearing function for elevator component and using method of bearing beam

Technical Field

The invention relates to the technical field of elevators, in particular to a bearing beam with a fracture emergency bearing function for an elevator component and a using method thereof.

Background

The tractor is a main part of the elevator, and the spandrel girder is an important component for supporting the main part, because of the structural characteristics of the elevator, the spandrel girder not only supports the tractor, the whole elevator, including a car, a load, a counterweight, a cable, a steel wire rope and the like, is hung on the spandrel girder through the tractor, which is really called as 'tying a thousand jun to one girder', the pressure on the spandrel girder at the tractor is the largest and is most prone to fracture, but the existing spandrel girder lacks effective emergency safety measures when fracture and damage occur, and elevator accidents are easy to occur.

Disclosure of Invention

The invention aims to provide a bearing beam with a fracture emergency bearing function for an elevator component and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an elevator part is with spandrel girder that has urgent bearing of fracture, includes a plurality of supporting beam, and is a plurality of bolt fixed mounting installation roof beam is passed through at a supporting beam's top both ends, the top surface middle part of installation roof beam is passed through bolt fixed mounting and is pull the frame, fixed mounting hauler on the traction frame, install balancing weight leading wheel and car leading wheel on the installation roof beam of hauler both sides respectively, install two combination pulleys on the installation roof beam of one side that the hauler was kept away from to the car leading wheel, install urgent bearing mechanism on the combination pulley, the installation mechanism of locking between one end that the balancing weight leading wheel was kept away from to the installation roof beam.

In a preferred embodiment, the height of the counterweight guide wheel, the height of the car guide wheel and the height of the combined wheel are the same and are all smaller than the height of a rotating disc of the traction machine, and the length of the support beam is greater than the distance between two mounting beams.

An embodiment of preferred, urgent bearing mechanism includes the mounting panel, fixed mounting has two pairs of mounting panels on the installation roof beam, and is every right all rotate between the mounting panel and cup joint the pivot, the fixed combination wheel that cup joints in the pivot, the terminal surface of pivot rotates and runs through mounting panel and fixed gear that cup joints, fixed mounting fixed plate on the installation roof beam in the mounting panel outside, a plurality of guide bars are cup jointed in the slip on the fixed plate, the one end that the guide bar is close to the combination wheel runs through fixed plate and fixed connection rack, cup joint the spring on the guide bar between rack and the fixed plate, the one end of the other end fixed connection stay cord of guide bar, the other end of stay cord is connected and is drawn the frame.

In an embodiment of the invention, the rack is opposite to the side where the two gears are close to each other, the rack is matched with the gears, and a limit ring is fixedly installed at one end of the guide rod, which is far away from the rack.

In a preferred embodiment, a pressing plate is fixedly mounted between the tops of the mounting plates, a plurality of guide grooves are formed in the circumferential outer wall of the combined wheel, ball holes are formed in the combined wheel at the bottom of the guide grooves, a plurality of ball heads are fixedly mounted on a traction rope of the elevator, and the distance between the pressing plate and the ball holes is equal to the diameter of the ball heads.

According to an optimized implementation case, the peripheral side walls of the traction machine base are fixedly welded with a plurality of welding sheet plates, the outer walls of the welding sheet plates are fixedly provided with fixing rings, rope rings penetrate through the fixing rings in a movable mode, connecting rings are movably sleeved on the rope rings, and one ends of the pull ropes, far away from the guide rod, are fixedly connected with the connecting rings.

In a preferred embodiment, the rope ring is tightly attached to the outer wall of the welding sheet plate and is in a tightened state, and a cutting knife with a conical structure is fixedly mounted on the inner wall of the top of the fixing ring.

An embodiment of preferred, the cohesion mechanism is including fixed case, the equal fixed mounting bracing piece in both ends of fixed case, bracing piece fixed connection installation roof beam, open the top and the bottom of fixed case has the logical groove that runs through, lead to the fixed incasement wall of groove both sides within a definite time slip joint damping piece, a plurality of pressure springs of fixed mounting between the bottom of damping piece and the bottom plate of fixed case, open at the both ends of fixed case has the extrusion groove, the equal fixed mounting extrusion piece in both ends of damping piece, extrusion piece slip joint is in the extrusion inslot.

In a preferred embodiment, the compression spring is always in a compressed state, the extrusion grooves and the extrusion blocks are in matched inclined structures, and the extrusion grooves on two sides of the through groove are provided with upward V-shaped structures.

A method of using a load beam for an elevator component having an emergency load bearing break, comprising the steps of:

s1, two ends of a supporting beam are fixedly poured into a soil table in an elevator machine room, an installation beam is fixedly installed on the supporting beam through bolts, the installation beam is uniformly supported through a plurality of supporting beams, and the supporting performance of the installation beams at the rest parts is prevented from being influenced when the installation beam at a tractor is broken;

s2, when the mounting beam is intact, the whole device normally operates, the pull rope is connected with the rope ring through the connecting ring at the moment, the pull rope keeps tight, so that the guide rod is pulled, the rack is separated from the gear, the combined wheel can rotate at the moment, the traction rope of the elevator car penetrates through the damping block between the fixed boxes and then penetrates through the combined wheel and the pressing plate, the ball head is clamped in the ball hole and then penetrates through the bottom of the car guide wheel, the top of the turntable of the tractor and the top of the counterweight block guide wheel to be connected with the counterweight block;

s3, when the elevator normally operates, the combined wheel can rotate, so that the traction rope of the elevator can move smoothly, the traction rope moves slowly under the traction of the traction machine, when the elevator moves downwards and moves between the two damping blocks, the relative movement speed between the traction rope and the damping blocks is slow, the friction force cannot overcome the elasticity of the pressure spring, the damping blocks cannot move, the elevator lifts through the traction machine, the mounting beam mainly bears the weight of the traction machine base, when the traction machine base breaks, the traction machine base can drop downwards, the elevator car loses the traction and can drop suddenly, the traction rope moves downwards quickly between the damping blocks, the movement speed is high, the friction force is very large, the damping blocks move downwards under the action of the friction force, and the extrusion blocks move downwards along the extrusion grooves, thereby make the damping piece be close to each other and hold the haulage rope tightly, reach speed reduction and taut purpose, and simultaneously, the traction frame moves down and to make the becket bridle cut off by the intra-annular cutting knife of fixed ring, then the go-between loses the pulling force, the stay cord pine takes off, the elasticity of spring promotes the guide bar and removes this moment, make the rack insert between two gears, two gears are spacing by the rack this moment, and the removal of haulage rope makes the steering trend of two combination wheels the same, then the steering trend of two gears is the same, then the pulling force that two gears gave the rack is opposite, reach the purpose of rack self-balancing, thereby stably brake, the unable rotation of combination wheel this moment, then bulb on the haulage rope is blocked between ball hole and clamp plate, reach the purpose of braking, elevator car weight distributes on all the other intact installation roof beams through pivot and bracing piece this moment, reach urgent bearing' S purpose.

The invention has the beneficial effects that:

1. the two ends of the supporting beams are fixedly poured in a soil table in an elevator machine room, the mounting beams are fixedly mounted on the supporting beams through bolts, and the mounting beams are uniformly supported through the supporting beams, so that the supporting performance of the mounting beams at the rest parts is prevented from being influenced when the mounting beams at the traction machine are broken, and bearing points are ensured during emergency bearing;

2. when the mounting beam at the traction machine base is broken, the combined wheel is braked through the emergency bearing mechanism, and the traction rope is tightly held and supported by the combination of the holding mechanism, so that the purpose of emergency bearing is achieved, and the car is prevented from falling.

Drawings

Fig. 1 is a schematic structural view of a load beam for an elevator component with an emergency load bearing of fracture according to an embodiment of the present invention.

FIG. 2 is an enlarged schematic view of the point A in FIG. 1 according to the present invention.

FIG. 3 is an enlarged view of the structure of FIG. 2 at C.

FIG. 4 is a schematic view of the structure of the combination wheel of the present invention.

FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

Fig. 6 is a schematic structural view of the clasping mechanism of the present invention.

In the figure: 1. a support beam; 2. mounting a beam; 3. a traction engine base; 31. a solder sheet plate; 32. a fixing ring; 33. a rope loop; 34. a connecting ring; 4. a traction machine; 5. a counterweight guide wheel; 6. a car guide wheel; 7. a combination wheel; 71. a guide groove; 72. a ball hole; 73. pressing a plate; 8. an emergency load bearing mechanism; 81. mounting a plate; 82. a rotating shaft; 83. a gear; 84. a fixing plate; 85. a guide bar; 86. a rack; 87. a spring; 88. pulling a rope; 9. a cohesion mechanism; 91. a stationary box; 92. a support bar; 93. a through groove; 94. a damping block; 95. compressing the spring; 96. extruding a groove; 97. and extruding the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): as shown in fig. 1 to 6, the invention provides a bearing beam with a fracture emergency bearing function for an elevator component, which comprises a plurality of supporting beams 1, wherein mounting beams 2 are fixedly mounted at two ends of the tops of the supporting beams 1 through bolts, a traction base 3 is fixedly mounted in the middle of the top surface of each mounting beam 2 through bolts, a traction machine 4 is fixedly mounted on each traction base 3, balancing weight guide wheels 5 and car guide wheels 6 are respectively mounted on the mounting beams 2 at two sides of each traction machine 4, two combined wheels 7 are mounted on the mounting beams 2 at one sides of the car guide wheels 6 far away from the traction machine 4, emergency bearing mechanisms 8 are mounted on the combined wheels 7, and a holding mechanism 9 is mounted between one ends of the mounting beams 2 far away from the balancing weight guide wheels 5. When the mounting beam 2 at the traction machine base 3 is broken, the combined wheel 7 is braked through the emergency bearing mechanism 8, and the traction rope is tightly held and supported by combining the holding mechanism 9, so that the purpose of emergency bearing is achieved, and the car is prevented from falling.

The height of balancing weight leading wheel 5, car leading wheel 6 and combination wheel 7 is the same, and all is less than the carousel height of hauler 4, and a supporting beam 1 length is greater than the interval of two installation roof beams 2, and the both ends of a supporting beam 1 of being convenient for are pour in the soil bench.

The emergency bearing mechanism 8 comprises an installation plate 81, two pairs of installation plates 81 are fixedly installed on an installation beam 2, a rotating shaft 82 is rotatably sleeved between each pair of installation plates 81, a combination wheel 7 is fixedly sleeved on the rotating shaft 82, the end surface of the rotating shaft 82 rotatably penetrates through the installation plates 81 and is fixedly sleeved with a gear 83, a fixed plate 84 is fixedly installed on the installation beam 2 at the outer side of the installation plate 81, a plurality of guide rods 85 are slidably sleeved on the fixed plate 84, one ends, close to the combination wheel 7, of the guide rods 85 penetrate through the fixed plate 84 and are fixedly connected with a rack 86, springs 87 are sleeved on the guide rods 85 between the rack 86 and the fixed plate 84, the other ends of the guide rods 85 are fixedly connected with one ends of pull ropes 88, the other ends of the pull ropes 88 are connected with a traction machine base 3, the rack 86 is opposite to one side, close to the two gears 83, the rack 86 is matched with the gear 83, a limiting ring is fixedly installed at one end, far away from the rack 85, a pressing plate 73 is fixedly installed between the tops of the installation plates 81, the outer wall of the circumference of the combination wheel 7 is provided with a plurality of guide grooves 71, the combination wheel 7 at the bottom of the guide grooves 71 is provided with a ball hole 72, a plurality of ball heads are fixedly arranged on a traction rope of an elevator, the distance between a pressure plate 73 and the ball hole 72 is equal to the diameter of the ball heads, a plurality of welding sheet plates 31 are fixedly welded on the peripheral side wall of the traction machine base 3, fixing rings 32 are fixedly arranged on the outer walls of the welding sheet plates 31, rope rings 33 penetrate through the fixing rings 32 in a movable manner, connecting rings 34 are movably sleeved on the rope rings 33, one end of a pull rope 88 far away from a guide rod 85 is fixedly connected with the connecting rings 34, the rope rings 33 are tightly attached to the outer walls of the welding sheet plates 31 and are in a tightening state, a cutting knife with a conical structure is fixedly arranged on the inner wall of the top of the fixing rings 32, the combination wheel 7 can rotate when the elevator normally runs, so that the traction rope of the elevator can move smoothly, the mounting beam 2 is mainly used for bearing the traction machine base 3, when the fracture occurs, the traction engine base 3 suddenly drops downwards, so that the rope ring 33 is cut off by a cutter in the fixing ring 32, the connecting ring 34 loses tension, the pull rope 88 is loosened, the elastic force of the spring 87 pushes the guide rod 85 to move, the rack 86 is inserted between the two gears 83, the two gears 83 are limited by the rack 86, the two combination wheels 7 have the same steering trend due to the movement of the traction rope, the steering trends of the two gears 83 are the same, the tension given to the rack 86 by the two gears 83 is opposite, the purpose of self-balancing the rack 86 is achieved, the brake is stabilized, the combination wheels 7 cannot rotate, and the ball heads on the traction rope are clamped between the ball holes 72 and the pressure plate 73, so that the braking and supporting purposes are achieved.

The clasping mechanism 9 comprises a fixed box 91, supporting rods 92 are fixedly installed at both ends of the fixed box 91, the supporting rods 92 are fixedly connected with the mounting beam 2, a through groove 93 is formed in the top and bottom of the fixed box 91 in a penetrating manner, a damping block 94 is slidably clamped between the inner walls of the fixed box 91 at both sides of the through groove 93, a plurality of pressure springs 95 are fixedly installed between the bottom of the damping block 94 and the bottom plate of the fixed box 91, extrusion grooves 96 are formed in both ends of the fixed box 91, extrusion blocks 97 are fixedly installed at both ends of the damping block 94, the extrusion blocks 97 are slidably clamped in the extrusion grooves 96, the pressure springs 95 are always in a compression state, the extrusion grooves 96 and the extrusion blocks 97 are in a matched inclined structure, upward V-shaped structures are formed in the extrusion grooves 96 at both sides of the through groove 93, and when the elevator normally operates, at this time, through traction of the traction machine 4, the movement speed of the traction rope is slow, when the elevator moves downwards, and the traction rope moves from between the two damping blocks 94, the relative movement speed between the traction rope and the damping blocks 94 is slow, the friction force cannot overcome the elasticity of the pressure spring 95, the damping blocks 94 cannot move, the elevator lifts through the traction machine 4, when the mounting beam is broken, the elevator car loses traction and suddenly drops, the traction rope rapidly moves downwards between the damping blocks 94, at this time, the movement speed is high, the friction force is very large, the friction force overcomes the elasticity of the pressure spring 95 to enable the damping blocks 94 to move downwards, the extrusion blocks 97 move downwards along the extrusion grooves 96, the damping blocks 94 are made to approach each other to hold the traction rope tightly, and the purposes of speed reduction and tensioning are achieved.

s1, two ends of a supporting beam 1 are fixedly poured into a soil table in an elevator machine room, an installation beam 2 is fixedly installed on the supporting beam 1 through bolts, the installation beam is uniformly supported through a plurality of supporting beams 1, and the supporting performance of the installation beam 2 at the rest part is prevented from being influenced when the installation beam at a tractor 4 is broken;

s2, when the mounting beam 2 is intact, the whole device normally operates, the pull rope 88 is connected with the rope ring 33 through the connecting ring 34 at the moment, the pull rope 88 keeps tight, and therefore the guide rod 85 is pulled, the rack 86 is separated from the gear 83, the combined wheel 7 can rotate at the moment, the traction rope of the elevator car penetrates through the damping block 94 between the fixed boxes 91 and then penetrates through the space between the combined wheel 7 and the pressing plate 73, the ball head is clamped in the ball hole 72, and then penetrates through the bottom of the car guide wheel 6, the top of the rotary table of the tractor 4 and the top of the counterweight guide wheel 5 and is connected with a counterweight;

s3, when the elevator normally runs, the combined wheel 7 can rotate, so that the traction rope of the elevator can move smoothly, the traction rope is dragged by the tractor 4 at the moment, the moving speed of the traction rope is slow, when the elevator descends and the traction rope moves between the two damping blocks 94, the relative moving speed between the traction rope and the damping blocks 94 is slow, the friction force cannot overcome the elasticity of the pressure spring 95, the damping blocks 94 cannot move, the elevator ascends and descends through the tractor 4, the main bearing of the mounting beam 2 is arranged at the traction machine base 3, when the elevator breaks at the moment, the traction machine base 3 descends downwards in a sudden mode, the elevator car loses traction and descends in a sudden mode, the traction rope moves downwards between the damping blocks 94 quickly, the moving speed is fast at the moment, the friction force is very large, the friction force overcomes the elasticity of the pressure spring 95 to enable the damping blocks 94 to move downwards, the extrusion block 97 moves downwards along the extrusion groove 96, so that the damping blocks 94 approach each other to tightly hold the traction ropes to achieve the purposes of speed reduction and tensioning, meanwhile, the traction machine base 3 moves downwards to cut off the rope ring 33 by a cutting knife in the fixing ring 32, the connecting ring 34 loses tension, the pull rope 88 loosens, at the moment, the elastic force of the spring 87 pushes the guide rod 85 to move, so that the rack 86 is inserted between the two gears 83, at the moment, the two gears 83 are limited by the rack 86, the moving of the traction ropes enables the turning trends of the two combined wheels 7 to be the same, the turning trends of the two gears 83 are the same, the tension given to the rack 86 by the two gears 83 is opposite, the purpose of self-balancing of the rack 86 is achieved, so that stable braking is achieved, at the moment, the combined wheels 7 cannot rotate, the ball heads on the traction ropes are clamped between the ball holes 72 and the pressing plates 73, the purpose of braking is achieved, at the moment, the weight of the elevator car is distributed on the rest of the good installation beams 2 through the rotating shaft 82 and the supporting rods 92, the purpose of emergency load bearing is achieved.

When the elevator traction rope is used, the combined wheel 7 can rotate when the elevator normally runs, so that the traction rope of the elevator can move smoothly, the movement speed of the traction rope is slow under the traction of the traction machine 4, when the elevator descends and the traction rope moves from the space between the two damping blocks 94, the relative movement speed between the traction rope and the damping blocks 94 is slow, the friction force cannot overcome the elasticity of the pressure spring 95, the damping blocks 94 cannot move, the elevator ascends and descends through the traction machine 4, the main bearing of the mounting beam 2 is at the traction machine base 3, when the elevator traction machine base 3 is fractured, the elevator car loses traction and suddenly descends, the traction rope rapidly moves downwards between the damping blocks 94, the movement speed is high at the moment, the friction force overcomes the elasticity of the pressure spring 95, the damping blocks 94 move downwards, the extrusion block 97 moves downwards along the extrusion groove 96, so that the damping blocks 94 approach each other to hold the traction ropes tightly to achieve the purposes of deceleration and tensioning, meanwhile, the traction machine base 3 moves downwards to cut off the rope ring 33 by a cutter in the fixing ring 32, the connecting ring 34 loses tension, the pull rope 88 loosens, at this time, the elastic force of the spring 87 pushes the guide rod 85 to move, the rack 86 is inserted between the two gears 83, at this time, the two gears 83 are limited by the rack 86, and the movement of the traction ropes makes the steering trends of the two combined wheels 7 the same, the steering trends of the two gears 83 are the same, the tension given to the rack 86 by the two gears 83 is opposite, the purpose of self-balancing of the rack 86 is achieved, thereby stabilizing braking is achieved, at this time, the combined wheels 7 cannot rotate, the ball heads on the traction ropes are clamped between the ball holes 72 and the pressing plates 73, the purpose of braking is achieved, at this time, the weight of the elevator car is distributed on the rest of the good installation beams 2 through the rotating shafts 82 and the supporting rods 92, the purpose of emergency load bearing is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spandrel girder for elevator components with emergent bearing of fracture, includes a plurality of supporting beam (1), its characterized in that: the top two ends of the supporting beams (1) are fixedly provided with mounting beams (2) through bolts, the middle parts of the top surfaces of the mounting beams (2) are fixedly provided with traction bases (3) through bolts, traction machines (4) are fixedly arranged on the traction bases (3), the mounting beams (2) on the two sides of each traction machine (4) are respectively provided with a counterweight guide wheel (5) and a car guide wheel (6), the mounting beam (2) on one side, away from the traction machines (4), of each car guide wheel (6) is provided with two combined wheels (7), each combined wheel (7) is provided with an emergency bearing mechanism (8), and an embracing mechanism (9) is arranged between one ends, away from the counterweight guide wheels (5), of the mounting beams (2);

the emergency bearing mechanism (8) comprises a mounting plate (81), two pairs of mounting plates (81) are fixedly mounted on the mounting beam (2), each pair of mounting plates (81) are rotated to be sleeved with a rotating shaft (82), the rotating shaft (82) is fixedly sleeved with a combined wheel (7), the end face of the rotating shaft (82) is rotated to penetrate through the mounting plates (81) and fixedly sleeved with a gear (83), a fixing plate (84) is fixedly mounted on the mounting beam (2) on the outer side of the mounting plate (81), a plurality of guide rods (85) are slidably sleeved on the fixing plate (84), one ends, close to the combined wheel (7), of the guide rods (85) penetrate through the fixing plate (84) and are fixedly connected with a rack (86), a spring (87) is sleeved on the guide rods (85) between the rack (86) and the fixing plate (84), the other ends of the guide rods (85) are fixedly connected with one end of a pull rope (88), and the other end of the pull rope (88) is connected with the traction machine base (3);

embrace mechanism (9) including fixed case (91), the equal fixed mounting bracing piece in both ends (92) of fixed case (91), bracing piece (92) fixed connection installation roof beam (2), open the top and the bottom of fixed case (91) has logical groove (93) that runs through, slide joint damping block (94) between fixed case (91) inner wall that lead to groove (93) both sides, a plurality of pressure springs of fixed mounting (95) between the bottom of damping block (94) and the bottom plate of fixed case (91), open at the both ends of fixed case (91) has extrusion groove (96), the equal fixed mounting in both ends of damping block (94) extrudees piece (97), extrusion piece (97) slip joint is in extrusion groove (96), pressure spring (95) are in compression state all the time, extrusion groove (96) and extrusion piece (97) are matched with slope structure, and the extrusion groove (96) that lead to groove (93) both sides are formed with and open ascending V type structure.

2. A load beam for an elevator component having an emergency load bearing break as defined in claim 1, wherein: the height of the balancing weight guide wheel (5), the height of the car guide wheel (6) and the height of the combined wheel (7) are the same, the heights of the balancing weight guide wheel, the car guide wheel and the combined wheel are all smaller than the height of a turntable of the traction machine (4), and the length of the supporting beam (1) is larger than the distance between the two mounting beams (2).

3. A load beam for an elevator component having an emergency load bearing break as defined in claim 1, wherein: the rack (86) is opposite to one side where the two gears (83) are close to each other, the rack (86) is matched with the gears (83), and a limiting ring is fixedly mounted at one end, far away from the rack (86), of the guide rod (85).

4. A load beam for an elevator component having a fracture emergency load bearing capacity as claimed in claim 1 wherein: fixed mounting clamp plate (73) between the top of mounting panel (81), the circumference outer wall of combination wheel (7) is opened has a plurality of guide slots (71), it has ball hole (72) to open on combination wheel (7) of guide slot (71) bottom, a plurality of bulbs of fixed mounting on the haulage rope of elevator, and the distance of clamp plate (73) and ball hole (72) equals the diameter of bulb.

5. A load beam for an elevator component having an emergency load bearing break as defined in claim 1, wherein: the utility model discloses a lead frame, including pull frame (3), the equal fixed welding of lateral wall all around of base (3) is a plurality of soldering lug boards (31), the fixed ring (32) of the equal fixed mounting of outer wall of soldering lug board (31), rope ring (33) have been run through in the activity between fixed ring (32), go up the activity cup joint go-between (34) in rope ring (33), the one end fixed connection go-between (34) of guide bar (85) are kept away from in stay cord (88).

6. The load beam for an elevator component having an emergency load bearing of fracture as set forth in claim 5, wherein: the rope ring (33) is tightly attached to the outer wall of the welding sheet plate (31) and is in a tightened state, and a cutting knife with a conical structure is fixedly mounted on the inner wall of the top of the fixing ring (32).

7. Method of using a load beam with breaking emergency load bearing for elevator components, comprising a load beam with breaking emergency load bearing for elevator components according to any of claims 1 to 6, characterized in that it comprises the following steps:

s1, two ends of a supporting beam (1) are fixedly poured into a soil table in an elevator machine room, an installation beam (2) is fixedly installed on the supporting beam (1) through bolts, the installation beam is uniformly supported through a plurality of supporting beams (1), and the influence on the supporting performance of the installation beam (2) at other positions when the installation beam at a tractor (4) is broken is avoided;

s2, when the mounting beam (2) is intact, the whole device normally runs, at the moment, a pull rope (88) is connected with a rope ring (33) through a connecting ring (34), the pull rope (88) is kept tight, a guide rod (85) is pulled, a rack (86) is separated from a gear (83), a combined wheel (7) can rotate, a traction rope of an elevator car penetrates through a damping block (94) between fixing boxes (91), then penetrates through a space between the combined wheel (7) and a pressing plate (73), a ball head is clamped in a ball hole (72), and then penetrates through the bottom of a car guide wheel (6), the top of a rotating disc of a tractor (4) and the top of a counterweight guide wheel (5) and is connected with a counterweight block;

s3, when the elevator normally operates, the combined wheel (7) can rotate, so that the traction rope of the elevator can move smoothly, the traction rope is dragged by the tractor (4) at the moment, the moving speed of the traction rope is low, when the elevator descends, and the traction rope moves from the space between the two damping blocks (94), the relative moving speed between the traction rope and the damping blocks (94) is low, the friction force cannot overcome the elasticity of the pressure spring (95), the damping blocks (94) cannot move, the elevator ascends and descends through the tractor (4), the main bearing of the mounting beam (2) is at the traction machine base (3), when the elevator breaks, the traction machine base (3) descends downwards suddenly, the elevator car loses traction and descends rapidly, the traction rope moves downwards between the damping blocks (94), the moving speed is high at the moment, the friction force is very high, the friction force overcomes the elasticity of the pressure spring (95) to enable the damping blocks (94) to move downwards, the extrusion blocks (97) downwards along the extrusion groove (96), so that the damping blocks (94) approach each other, the traction rope is tightly, the traction rope is simultaneously, the traction rope is pulled by the gear ring (86), the gear ring (86) is loosened, the gear ring (86) and the gear ring (86), the rack (86) is pulled by the rack (86), and the movement of the haulage rope makes the turning trend of two combination wheels (7) the same, then the turning trend of two gears (83) is the same, then the pulling force that two gears (83) give rack (86) is opposite, reach the purpose of rack (86) self-balancing, thereby stabilize the braking, combination wheel (7) can't rotate this moment, then bulb joint on the haulage rope is between ball hole (72) and clamp plate (73), reach the purpose of braking, elevator car weight distributes on all the other intact erection beams (2) through pivot (82) and bracing piece (92) this moment, reach urgent bearing's purpose.