Elevator car hoisting rope breakage protection device

Abstract

The invention belongs to the technical field of elevators, and discloses an elevator car hoisting rope breakage protection device which comprises a support shell, when a hoisting rope breaks, the hoisting rope is subjected to elastic deformation of a tension spring and the dead weight of a bearing plate, the bearing plate descends in a square box, the bearing plate drives a rotating plate and a moving plate to descend, and the hoisting rope is broken. The moving plate drives the sliding block to transversely move along the inner wall of the sliding groove, the moving plate drives the conversion box and the concave shells to transversely move, the two concave shells are far away from each other, when the concave shells drive the round rod and the clamping roller to move to the side wall of the clamping plate, the clamping roller and the clamping plate generate clamping extrusion, and therefore the high-speed falling phenomenon of the lift car is prevented. And the safety of workers is ensured. Due to the fact that the outer wall of the clamping roller is circular, when the clamping roller makes contact with the clamping plate, too large instant resistance cannot be generated, the lift car drives the guide rail block to descend slowly on the inner wall of the guide rail, and the device is prevented from generating violent impact force.

Description

Technical Field

[0001] This invention belongs to the field of elevator technology, specifically a device for protecting elevator car traction ropes from breakage. Background Technology

[0002] The purpose of designing an elevator car traction rope breakage protection device is to ensure timely safety protection in the event of traction rope breakage. With the continuous development of modern society, there are more and more factories and mines, and buildings are being built taller and taller. The installation and use of traction drive elevators are becoming more and more common. At the same time, elevators have also become high-risk mechanical equipment. Elevator accidents not only cause property damage but also serious personal injury accidents. Therefore, the operational safety of elevators cannot be ignored.

[0003] An elevator anti-fall device disclosed in the prior art document CN210236803U, in the normal state of the car, the limit block and the arresting hook cooperate to make the traction rope move up and down the car through the arresting rocker. When the traction rope breaks, under the gravity of the upper end of the arresting rocker and the action of the tension spring, the arresting hook rotates outward and hooks onto the arresting bar on the arresting ladder to prevent further fall.

[0004] While the aforementioned application can prevent the elevator from falling, the device experiences instantaneous high resistance during the locking motion of the stop hook and stop bar to prevent further descent. If this resistance is too great, it may damage or deform the locking component, especially if the design is not precise enough or the materials are not strong enough. This could render the device ineffective in stopping the elevator's descent, increasing the risk of an accident. Summary of the Invention

[0005] To address the problems mentioned in the background section, the present invention provides an elevator car traction rope breakage protection device.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an elevator car traction rope breakage protection device, comprising a support shell, guide rails fixedly connected to both sides of the bottom of the inner wall of the support shell, a fixed seat fixedly connected to the top of the support shell, a motor fixedly connected to one side of the outer wall of the fixed seat, and a traction rope breakage protection mechanism, the traction rope breakage protection mechanism comprising a rotating shaft fixedly connected to the output end of the motor, a circular roller fixedly connected to the outer wall of the rotating shaft, a traction rope rotatably connected to the outer wall of the circular roller, and a protection component provided at the end of the traction rope for timely safety protection when the traction rope breaks.

[0007] Preferably, the protection component includes a load-bearing block fixedly connected to one end of the traction rope, with limit rods penetrating both sides of the top of the load-bearing block, the bottom of the limit rods fixedly connected to the bottom of the inner wall of the support shell, and a load-bearing plate fixedly connected to the end of the traction rope away from the load-bearing block.

[0008] Preferably, a square box is slidably connected to the outer wall of the load-bearing plate, a car is fixedly connected to the bottom of the square box, guide rail blocks are fixedly connected to both sides of the car, the outer wall of the guide rail block is slidably connected to the inner wall of the guide rail, and a tension spring is fixedly connected to the bottom of the load-bearing plate.

[0009] Preferably, the bottom of the tension spring is fixedly connected to the bottom of the inner wall of the box, a rotating plate is hinged to both sides of the bottom of the load-bearing plate, a movable plate is hinged to the bottom of the rotating plate, a slider is fixedly connected to the bottom of the movable plate, and a sliding groove is provided on both sides of the bottom of the inner wall of the box.

[0010] Preferably, the outer wall of the slider is slidably connected to the inside of the slide groove, a conversion box is fixedly connected to one side of the moving plate, a concave shell is fixedly connected to one side of the outer wall of the conversion box, and round rods are rotatably connected through both sides of the concave shell.

[0011] Preferably, a positioning roller is fixedly connected to the outer wall of one end of the round rod, and strip holes are opened on both sides of the outer wall of the square box. Positioning plates are fixedly connected to both sides of the top of the inner wall of the bracket shell.

[0012] Preferably, the end of the movable plate is provided with a stabilizing component, the stabilizing component includes a connecting rod fixedly connected to one end of the movable plate, a square hole is opened on one side of the outer wall of the square box, a strip groove is opened on one side wall of the connecting rod, and a block is slidably connected to the inner wall of the strip groove.

[0013] Preferably, a toothed plate is fixedly connected to one end of the block, a pressing rod is fixedly connected to the top of one side of the toothed plate, the bottom of the pressing rod contacts the top of the load-bearing plate, a gear is meshed with one side of the outer wall of the toothed plate, and the inner wall of the gear is fixedly connected to the outer wall of one end of the round rod.

[0014] Preferably, the inner wall of the square box is provided with an auxiliary component, the auxiliary component including a liquid storage tank fixedly connected to the bottom of the inner wall of the square box, a piston plate slidably connected to the top of the inner wall of the liquid storage tank, a compression spring fixedly connected to the bottom of the piston plate, the bottom of the compression spring fixedly connected to the bottom of the inner wall of the liquid storage tank, and a vertical rod fixedly connected to the top of the piston plate.

[0015] Preferably, a support plate is fixedly connected to the top of the vertical rod, and telescopic pipes are connected to both sides of the outer wall of the liquid storage tank. One end of the telescopic pipe is connected to the inner wall of the conversion box, and an injector is connected to one side of the inner wall of the conversion box. One end of the injector extends into the interior of the concave shell.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention employs a traction rope breakage protection mechanism, a drive motor, and a traction rope and load-bearing plate for lifting and lowering. The load-bearing plate, in turn, lifts and lowers the box and car. The car then moves the guide rail block along the inner wall of the guide rail, thus facilitating the lifting and lowering of personnel. When the traction rope breaks, the elastic deformation of the tension spring and the weight of the load-bearing plate cause it to descend inside the box. The load-bearing plate then moves the rotating plate and the moving plate downwards. The moving plate moves the slider laterally along the inner wall of the slide groove, which in turn moves the conversion box and the concave shell laterally. The two concave shells move away from each other. When the concave shell moves the round rod and the locking roller to the side wall of the locking plate, the locking roller and the locking plate engage in locking and pressing, preventing the car from falling at high speed and ensuring the safety of the personnel. Because the outer wall of the locking roller is circular, there is no excessive instantaneous resistance when the locking roller contacts the locking plate. Instead, the car moves slowly along the inner wall of the guide rail, avoiding violent impact forces. This helps protect other components of the elevator system and reduces the risk of injury to people.

[0017] This invention incorporates a traction rope breakage protection mechanism. When the locking roller contacts the locking plate, the resulting friction causes the locking roller to rotate. This rotation drives a round rod and gear to rotate. The gear meshes with a toothed plate, causing the toothed plate to lower the block vertically along the inner wall of the strip groove at the connecting frame. During this descent, the toothed plate also drives a pressing rod, which contacts the top of the load-bearing plate and presses it down, further lowering the load-bearing plate. This descent stabilizes the component's operation, preventing the locking roller from failing to maintain a tight seal with the side wall of the locking plate. By controlling the descent speed of the load-bearing plate, severe impacts or instability are avoided. Furthermore, this process increases the tighter contact between the locking roller and the locking plate, enhancing the locking force and improving fall protection stability. Thus, even in the event of an anomaly, the entire system can operate stably, preventing fall accidents.

[0018] This invention incorporates a traction rope breakage protection mechanism. When the load-bearing plate descends, it contacts the top of the support plate, pressing down on the top of the support plate. The support plate then drives the vertical rod and piston plate downwards. During this descent, the piston plate compresses the coolant inside the storage tank, forcing it into the telescopic tube. The coolant then flows through the telescopic tube into the conversion box, and finally into the ejector. The coolant is then sprayed outwards through the ejector, cooling the outer wall of the high-speed rotating positioning roller. This prevents excessive heat from generated during intense friction between the positioning roller and the positioning plate. The spraying of coolant effectively reduces the temperature of the positioning roller, preventing wear or deformation of the materials and extending the equipment's lifespan. Furthermore, excessively high temperatures can lead to poor fit between the positioning roller and the positioning plate, affecting the stability of the positioning force. The coolant spraying maintains the normal operating temperature of the positioning roller, ensuring stable and efficient system operation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall side structure of the present invention; Figure 2 This is a schematic diagram of the side structure of the car of the present invention; Figure 3 This is a schematic cross-sectional view of the support shell structure of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of A in the middle; Figure 5 This is a schematic diagram of the side structure of the card slot plate of the present invention; Figure 6 For the present invention Figure 5 Enlarged view of B in the middle; Figure 7 This is a top view of the load-bearing plate structure of the present invention; Figure 8 This is a bottom view cross-sectional structural diagram of the liquid storage tank of the present invention; Figure 9 This is a side cross-sectional view of the connecting frame rod of the present invention.

[0020] In the diagram: 1. Support housing; 2. Guide rail; 3. Fixed base; 4. Motor; 5. Traction rope breakage protection mechanism; 51. Rotating shaft; 52. Circular roller; 53. Traction rope; 54. Protection component; 55. Stabilizing component; 57. Auxiliary component; 541. Load-bearing block; 542. Limiting rod; 543. Load-bearing plate; 544. Square box; 545. Car; 546. Guide rail block; 547. Tension spring; 548. Rotating plate; 549. Moving plate; 5410. Sliding block; 5411. 5412. Slide groove; 5413. Concave shell; 5414. Round rod; 5415. Positioning roller; 5416. Positioning plate; 5417. Strip hole; 551. Connecting frame rod; 552. Square hole; 553. Strip groove; 554. Block; 555. Toothed plate; 557. Gear; 556. Extrusion rod; 571. Liquid storage tank; 572. Piston plate; 573. Extrusion spring; 574. Vertical rod; 575. Bearing plate; 576. Telescopic tube; 577. Injector. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figures 1 to 9 As shown, the present invention provides an elevator car traction rope breakage protection device, including a bracket shell 1, guide rails 2 are fixedly connected to both sides of the bottom of the inner wall of the bracket shell 1, a fixed seat 3 is fixedly connected to the top of the bracket shell 1, and a motor 4 is fixedly connected to one side of the outer wall of the fixed seat 3, and also includes; The traction rope breakage protection mechanism 5 includes a rotating shaft 51 fixedly connected to the output end of the motor 4. A circular roller 52 is fixedly connected to the outer wall of the rotating shaft 51. A traction rope 53 is rotatably connected to the outer wall of the circular roller 52. A protection component 54 is provided at the end of the traction rope 53 to provide timely safety protection when the traction rope 53 breaks.

[0023] The protective component 54 includes a load-bearing block 541 fixedly connected to one end of the traction rope 53. Limiting rods 542 pass through both sides of the top of the load-bearing block 541. The bottom of the limiting rods 542 is fixedly connected to the bottom of the inner wall of the bracket housing 1. A load-bearing plate 543 is fixedly connected to the end of the traction rope 53 away from the load-bearing block 541.

[0024] A square box 544 is slidably connected to the outer wall of the load-bearing plate 543. A car 545 is fixedly connected to the bottom of the square box 544. Guide rail blocks 546 are fixedly connected to both sides of the car 545. The outer wall of the guide rail block 546 is slidably connected to the inner wall of the guide rail 2. A tension spring 547 is fixedly connected to the bottom of the load-bearing plate 543.

[0025] The above scheme is adopted: drive motor 4, motor 4 drives traction rope 53 and load-bearing plate 543 to rise and fall, load-bearing plate 543 drives square box 544 and car 545 to rise and fall, car 545 drives guide rail block 546 to rise and fall on the inner wall of guide rail 2.

[0026] The bottom of the tension spring 547 is fixedly connected to the bottom of the inner wall of the square box 544. The bottom sides of the load-bearing plate 543 are hinged with rotating plates 548. The bottom end of the rotating plate 548 is hinged with a movable plate 549. The bottom of the movable plate 549 is fixedly connected with a slider 5410. The bottom sides of the inner wall of the square box 544 are provided with sliding grooves 5411.

[0027] The outer wall of the slider 5410 is slidably connected to the inside of the slide groove 5411. A conversion box 5412 is fixedly connected to one side of the moving plate 549. A concave shell 5413 is fixedly connected to one side of the outer wall of the conversion box 5412. Round rods 5414 are rotatably connected through both sides of the concave shell 5413.

[0028] A positioning roller 5415 is fixedly connected to the outer wall of one end of the round rod 5414. A strip hole 5417 is opened on both sides of the outer wall of the square box 544. A positioning plate 5416 is fixedly connected to both sides of the top of the inner wall of the bracket shell 1.

[0029] Using the above scheme: When the traction rope 53 breaks, the elastic deformation of the tension spring 547 and the weight of the load-bearing plate 543 work together to cause the load-bearing plate 543 to descend inside the square box 544. The load-bearing plate 543 drives the rotating plate 548 and the moving plate 549 to descend together, and the moving plate 549 then pushes the slider 5410 to move laterally along the inner wall of the slide groove 5411. At the same time, the moving plate 549 also drives the conversion box 5412 and the concave shell 5413 to move laterally, and the two concave shells 5413 move away from each other. When the concave shell 5413 drives the round rod 5414 and the positioning roller 5415 to move to the side wall of the positioning plate 5416, the positioning roller 5415 and the positioning plate 5416 are clamped and pressed together.

[0030] like Figures 1 to 9 As shown, a stabilizing component 55 is provided at the end of the movable plate 549. The stabilizing component 55 includes a connecting rod 551 fixedly connected to one end of the movable plate 549. A square hole 552 is opened on one side of the outer wall of the square box 544. A strip groove 553 is opened on one side wall of the connecting rod 551. A block 554 is slidably connected to the inner wall of the strip groove 553.

[0031] One end of the block 554 is fixedly connected to a toothed plate 555. A pressing rod 556 is fixedly connected to the top of one side of the toothed plate 555. The bottom of the pressing rod 556 contacts the top of the load-bearing plate 543. A gear 557 is meshed with one side of the outer wall of the toothed plate 555. The inner wall of the gear 557 is fixedly connected to the outer wall of one end of the round rod 5414.

[0032] The above scheme is adopted as follows: When the positioning roller 5415 comes into contact with the positioning plate 5416, the friction generated by the two causes the positioning roller 5415 to rotate. The positioning roller 5415 drives the round rod 5414 and the gear 557 to rotate. When the gear 557 rotates, it meshes with the toothed plate 555, causing the toothed plate 555 to drive the block 554 to descend vertically along the inner wall of the strip groove 553 at the connecting frame rod 551. During the descent of the toothed plate 555, the toothed plate 555 drives the pressing rod 556 to descend. During the descent of the pressing rod 556, it will come into contact with the top of the load-bearing plate 543 and press down on the top of the load-bearing plate 543, causing the load-bearing plate 543 to descend vertically. During the further descent of the load-bearing plate 543, the stability of the component 54 can be stably protected.

[0033] The inner wall of the box 544 is provided with an auxiliary component 57. The auxiliary component 57 includes a liquid storage tank 571 fixedly connected to the bottom of the inner wall of the box 544. A piston plate 572 is slidably connected to the top of the inner wall of the liquid storage tank 571. A compression spring 573 is fixedly connected to the bottom of the piston plate 572. The bottom of the compression spring 573 is fixedly connected to the bottom of the inner wall of the liquid storage tank 571. A vertical rod 574 is fixedly connected to the top of the piston plate 572.

[0034] A support plate 575 is fixedly connected to the top of the vertical rod 574. Telescopic tubes 576 are connected to both sides of the outer wall of the liquid storage tank 571. One end of the telescopic tube 576 is connected to the inner wall of the conversion box 5412. An injector 577 is connected to one side of the inner wall of the conversion box 5412. One end of the injector 577 extends into the interior of the concave shell 5413.

[0035] The above scheme is as follows: When the load-bearing plate 543 descends, it contacts the top of the support plate 575, pressing down on the support plate 575, which in turn causes the support plate 575 to drive the vertical rod 574 and the piston plate 572 down together. During the descent of the piston plate 572, pressure is applied to the coolant inside the liquid storage tank 571, causing the coolant to enter the telescopic pipe 576. The coolant flows into the conversion box 5412 through the telescopic pipe 576, and then further into the ejector 577. Finally, the coolant is sprayed out through the ejector 577, directly cooling the outer wall of the high-speed rotating positioning roller 5415.

[0036] Working principle and usage process of this invention: The drive motor 4 drives the traction rope 53 and the load-bearing plate 543 to rise and fall. The load-bearing plate 543 drives the square box 544 and the car 545 to rise and fall. The car 545 drives the guide rail block 546 to rise and fall on the inner wall of the guide rail 2, thereby lifting and lowering the workers. When the traction rope 53 breaks, the elastic deformation of the tension spring 547 and the weight of the load-bearing plate 543 cause the load-bearing plate 543 to descend inside the square box 544. The load-bearing plate 543 drives the rotating plate 548 and the moving plate 549 to descend. The moving plate 549 drives the slider 5410 to move laterally along the inner wall of the slide groove 5411. The moving plate 549 drives the conversion box 5412 and the concave shell 5413 to move laterally. The two concave shells 5413 move away from each other. When the concave shell 5413 drives the round rod 5414 and the positioning roller 5415 to move to the side wall of the positioning plate 5416, the positioning roller 5415 and the positioning plate 5416 are locked and squeezed, thereby preventing the car 545 from falling at high speed and ensuring the safety of the staff. Because the outer wall of the positioning roller 5415 is circular, it does not generate excessive instantaneous resistance when it comes into contact with the positioning plate 5416. Instead, it causes the car 545 to slowly descend along the inner wall of the guide rail 2, preventing the device from generating violent impact forces. This helps protect other components of the elevator system and reduces the risk of injury to personnel.

[0037] When the positioning roller 5415 comes into contact with the positioning plate 5416, the friction generated between them causes the positioning roller 5415 to rotate. The positioning roller 5415 drives the round rod 5414 and the gear 557 to rotate. When the gear 557 rotates, it meshes with the toothed plate 555, causing the toothed plate 555 to drive the block 554 to descend vertically along the inner wall of the strip groove 553 at the connecting frame rod 551. During the descent of the toothed plate 555, the toothed plate 555 drives the pressing rod 556 to descend. During the descent of the pressing rod 556, it will come into contact with the top of the load-bearing plate 543 and press down on the top of the load-bearing plate 543, causing the load-bearing plate 543 to descend vertically. During the further descent of the load-bearing plate 543, it can stabilize the stability of the component 54 and prevent the positioning roller 5415 from failing to fit tightly with the side wall of the positioning plate 5416. By controlling the descent speed of the load-bearing plate 543, violent impacts or instability are avoided. Furthermore, during this process, the positioning roller 5415 and the positioning plate 5416 come into closer contact, enhancing the positioning force between them and strengthening the stability against falls. Thus, even in the event of an anomaly, the entire system can still operate stably, preventing falls from occurring.

[0038] When the load-bearing plate 543 descends, it contacts the top of the bearing plate 575, pressing down on the top of the bearing plate 575. The bearing plate 575 then drives the vertical rod 574 and the piston plate 572 to descend. During the descent, the piston plate 572 squeezes the coolant inside the storage tank 571, causing it to enter the telescopic tube 576. The coolant then enters the conversion box 5412 through the telescopic tube 576 and the injector 577. The coolant is then sprayed outward through the injector 577, cooling the outer wall of the high-speed rotating positioning roller 5415. This prevents excessive heat from being generated when the positioning roller 5415 and positioning plate 5416 rub against each other violently. The spraying of coolant effectively reduces the temperature of the positioning roller 5415, preventing excessive heat from causing wear or deformation of the materials of the positioning roller 5415 and positioning plate 5416, thus extending the service life of the equipment. Furthermore, excessively high temperatures can lead to poor fit between the positioning roller 5415 and the positioning plate 5416, affecting the stability of the positioning force. The spraying of coolant helps maintain the normal operating temperature of the positioning roller 5415, ensuring stable and efficient system operation.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for protecting elevator car traction rope from breakage, comprising a support shell (1), wherein guide rails (2) are fixedly connected to both sides of the bottom of the inner wall of the support shell (1), a fixed seat (3) is fixedly connected to the top of the support shell (1), and a motor (4) is fixedly connected to one side of the outer wall of the fixed seat (3), characterized in that: Also includes; The traction rope breakage protection mechanism (5) includes a rotating shaft (51) fixedly connected to the output end of the motor (4). A circular roller (52) is fixedly connected to the outer wall of the rotating shaft (51). A traction rope (53) is rotatably connected to the outer wall of the circular roller (52). A protection component (54) is provided at the end of the traction rope (53) to provide timely safety protection when the traction rope (53) breaks.

2. The elevator car traction rope breakage protection device according to claim 1, characterized in that: The protective component (54) includes a load-bearing block (541) fixedly connected to one end of the traction rope (53). Limiting rods (542) pass through both sides of the top of the load-bearing block (541). The bottom of the limiting rods (542) is fixedly connected to the bottom of the inner wall of the support shell (1). A load-bearing plate (543) is fixedly connected to one end of the traction rope (53) away from the load-bearing block (541).

3. The elevator car traction rope breakage protection device according to claim 2, characterized in that: The outer wall of the load-bearing plate (543) is slidably connected to a square box (544), the bottom of the square box (544) is fixedly connected to a car (545), both sides of the car (545) are fixedly connected to guide rail blocks (546), the outer wall of the guide rail block (546) is slidably connected to the inner wall of the guide rail (2), and the bottom of the load-bearing plate (543) is fixedly connected to a tension spring (547).

4. The elevator car traction rope breakage protection device according to claim 3, characterized in that: The bottom of the tension spring (547) is fixedly connected to the bottom of the inner wall of the square box (544). The bottom sides of the load-bearing plate (543) are hinged with rotating plates (548). The bottom end of the rotating plate (548) is hinged with a moving plate (549). The bottom of the moving plate (549) is fixedly connected with a slider (5410). The bottom sides of the inner wall of the square box (544) are provided with sliding grooves (5411).

5. The elevator car traction rope breakage protection device according to claim 4, characterized in that: The outer wall of the slider (5410) is slidably connected to the inside of the groove (5411). A conversion box (5412) is fixedly connected to one side of the moving plate (549). A concave shell (5413) is fixedly connected to one side of the outer wall of the conversion box (5412). Round rods (5414) are rotatably connected through both sides of the concave shell (5413).

6. The elevator car traction rope breakage protection device according to claim 5, characterized in that: A positioning roller (5415) is fixedly connected to the outer wall of one end of the round rod (5414), and a strip hole (5417) is opened on both sides of the outer wall of the square box (544). A positioning plate (5416) is fixedly connected to both sides of the top of the inner wall of the bracket shell (1).

7. The elevator car traction rope breakage protection device according to claim 6, characterized in that: The end of the movable plate (549) is provided with a stabilizing component (55). The stabilizing component (55) includes a connecting rod (551) fixedly connected to one end of the movable plate (549). A square hole (552) is opened on one side of the outer wall of the square box (544). A strip groove (553) is opened on one side wall of the connecting rod (551). A block (554) is slidably connected to the inner wall of the strip groove (553).

8. The elevator car traction rope breakage protection device according to claim 7, characterized in that: One end of the block (554) is fixedly connected to a toothed plate (555), and a pressing rod (556) is fixedly connected to the top of one side of the toothed plate (555). The bottom of the pressing rod (556) contacts the top of the load-bearing plate (543). A gear (557) is meshed with one side of the outer wall of the toothed plate (555), and the inner wall of the gear (557) is fixedly connected to the outer wall of one end of the round rod (5414).

9. The elevator car traction rope breakage protection device according to claim 8, characterized in that: The inner wall of the box (544) is provided with an auxiliary component (57). The auxiliary component (57) includes a liquid storage tank (571) fixedly connected to the bottom of the inner wall of the box (544). A piston plate (572) is slidably connected to the top of the inner wall of the liquid storage tank (571). A compression spring (573) is fixedly connected to the bottom of the piston plate (572). The bottom of the compression spring (573) is fixedly connected to the bottom of the inner wall of the liquid storage tank (571). A vertical rod (574) is fixedly connected to the top of the piston plate (572).

10. The elevator car traction rope breakage protection device according to claim 9, characterized in that: The top of the vertical rod (574) is fixedly connected to a support plate (575). Both sides of the outer wall of the liquid storage tank (571) are connected to telescopic pipes (576). One end of the telescopic pipe (576) is connected to the inner wall of the conversion box (5412). One side of the inner wall of the conversion box (5412) is connected to an injector (577). One end of the injector (577) extends into the interior of the concave shell (5413).

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