Safety type counterweight balancing device and elevator traction system

Abstract

The invention relates to the technical field of counterweight balancing devices, and discloses a safety type counterweight balancing device and an elevator traction system. Comprising a guide rail frame and further comprises a hanging bracket and a carrying frame which are connected with each other, the hanging bracket and the carrying frame are both in sliding connection with the guide rail frame, an anti-falling dragging component is installed on the hanging bracket, a lead screw transmission module is installed on the carrying frame, an adjusting table is installed on the lead screw transmission module in a transmission mode, and a set of T-shaped guide rods are installed on the top face of the adjusting table; and a group of counter weight plates which are regularly distributed are arranged above the adjusting table, and each counter weight plate is connected with the T-shaped guide rod in a sliding manner. When the counter-weight device works, on one hand, anti-falling self-locking protection of the counter-weight device can be achieved, and on the other hand, the counter-weight device can effectively reduce the impact force borne by the counter-weight device when the counter-weight device has the sudden falling phenomenon through the arrangement of the buffering structure and the counter-impact structure; and meanwhile, air bag type protection of the counterweight device can be achieved when the bottom rushing phenomenon occurs, and then the use safety of the counterweight device is improved in a multi-effect mode.

Description

Technical Field

[0001] The invention relates to the technical field of counterweight balancing devices, and in particular to a safe counterweight balancing device and an elevator traction system. Background Art

[0002] The elevator counterweight is an important part of the elevator traction system. It moves along the guide rails through the guide shoes to balance the weight of the car.

[0003] In the prior art, the patent document with publication number CN117902437A discloses an elevator counterweight balancing device that is easy to install, including symmetrically distributed slide rails, the upper ends of the symmetrically distributed slide rails are commonly fixed with a fixed block, the lower ends of the symmetrically distributed slide rails are commonly fixed with a connecting block, the symmetrically distributed slide rails are commonly slidably connected with a connecting plate and a fixed plate, the connecting plate and the fixed plate are both rotatably connected with a rectangular array of sliding wheels through a connecting piece, and the sliding wheels on the connecting plate and the fixed plate slide in the adjacent slide rails respectively. The above device can provide a certain degree of anti-fall protection for the counterweight device, but the above elevator counterweight device has the following technical problems when in use:

[0004] 1. It is not convenient to dynamically adjust the counterweight of the counterweight device when the elevator goes up and down;

[0005] 2. It is not convenient to simultaneously realize the anti-fall self-locking of the counterweight device, the multi-layer buffering and impact protection when the counterweight device suddenly falls, and the anti-bottoming protection when the counterweight device hits the bottom;

[0006] Based on this, the present invention provides a safe counterweight balancing device and an elevator traction system to solve the technical problems raised in the above background technology. Summary of the invention

[0007] The object of the present invention is to provide a safe counterweight balancing device and an elevator traction system, which solves the problem that the existing counterweight device mentioned in the background art is not convenient for dynamically adjusting the counterweight of the counterweight device when the elevator goes up and down, and is not convenient for synchronously realizing the anti-falling self-locking of the counterweight device, the multi-layer buffering and impact protection when the counterweight device suddenly falls, and the anti-bottoming protection when the counterweight device hits the bottom. In order to solve the above technical problems, the present invention provides the following technical solutions:

[0008] A safety counterweight balancing device comprises a guide rail frame and further comprises:

[0009] A hanger and a carrier connected to each other, wherein the hanger and the carrier are both slidably connected to the guide rail frame, an anti-falling pulling component is installed on the hanger, a screw transmission module is installed on the carrier, an adjusting platform is transmission-installed on the screw transmission module, a group of T-shaped guide rods are installed on the top surface of the adjusting platform, a group of regularly distributed counterweight plates are arranged above the adjusting platform, each of the counterweight plates is slidably connected to the T-shaped guide rod, a buffer spring is sleeved on each of the T-shaped guide rods and at a position corresponding to the position between the adjusting platform and the adjacent counterweight plate and at a position above each counterweight plate, a group of friction wheels that fit with the guide rail frame are rotatably installed on the carrier, a brake rubber block that fits with the friction wheel is slidably installed on the inner wall of the carrier, and the surface of the adjusting platform is fixedly connected to the brake rubber block via a support rod;

[0010] A locking component, mounted on the carrier and defining the position of each counterweight plate on the adjustment platform;

[0011] A trigger module is installed at the bottom of the guide rail frame and triggers the locking component to lose the limiting effect on the counterweight plate;

[0012] The bag protection component is installed at the bottom of the guide rail frame and protects the carrier from falling.

[0013] Preferably, the anti-falling traction component includes a traction platform and a traction ring, a tension sensor is installed between the traction ring and the traction platform, two symmetrically arranged self-locking plates are slidably connected to the hanger, a connecting rod is hinged between the two self-locking plates and the traction ring, two positioning tooth plates are installed on the inner wall of the guide rail frame, the two positioning tooth plates are respectively adapted to be connected with the two self-locking plates, and a compression spring limited by the traction platform is installed on the side surfaces of the two self-locking plates.

[0014] Preferably, the locking component includes a lower circular shaft and a square shaft rotatably connected to the carrier, and a roller rotatably connected to the adjusting platform, the roller is driven by the square shaft, and the square shaft is driven by the lower circular shaft, a one-way locking assembly is provided on the outer side of the lower circular shaft, two straps are wound on the roller, the other ends of the two straps are fixedly connected to the carrier, and two symmetrically arranged guide wheels are rotatably installed on the top counterweight plate and corresponding to the positions of the two straps.

[0015] Preferably, the locking component also includes an upper circular shaft rotatably connected to the carrier, the upper circular shaft is transmission-connected to the lower circular shaft via a first belt, a first bevel gear is mounted on both the upper circular shaft and the square shaft, the two first bevel gears are meshed with each other, a hollow shaft connected to the square shaft is rotatably mounted on the inner wall of the adjusting platform, a synchronous shaft is rotatably mounted on the adjusting platform, a second bevel gear is mounted on both the synchronous shaft and the hollow shaft, the two second bevel gears are meshed with each other, and the synchronous shaft is transmission-connected to the roller via a second belt.

[0016] Preferably, a hollow groove with openings at both ends fixedly provided inside the hollow shaft and slidably connected to the square shaft, and the cross-sections of the hollow groove and the square shaft are both regular polygons.

[0017] Preferably, the one-way locking assembly includes a locking shaft rotatably connected to the carrier, a torsion spring is fixedly arranged at the rotational connection between the locking shaft and the carrier, two symmetrically arranged one-way locking tongues are installed on the locking shaft, and locking gears are installed on the lower circular shaft and at positions corresponding to the two one-way locking tongues, and the two locking gears are respectively adapted to be connected with the two one-way locking tongues.

[0018] Preferably, the trigger module includes a trigger frame, two groups of symmetrically arranged elastic pressure-resistant parts are installed between the trigger frame and the guide rail frame, two trigger tooth plates are installed on the trigger frame, and driven gears are installed on the locking shaft and at positions corresponding to the two trigger tooth plates, and the two driven gears are respectively adapted to be connected with the two trigger tooth plates.

[0019] Preferably, the bag protection assembly includes a buffer bag installed on the bottom surface of the carrier, and a pressure relief bag installed on the bottom of the guide rail frame and arranged relative to the buffer bag, and the pressure relief bag is respectively installed with an electric air valve and an air pressure probe, and the bottom surface of the guide rail frame is installed with an air pump, and the port of the air pump is connected to the inner cavity of the pressure relief bag.

[0020] Preferably, it also includes an electric control box installed on the carrier, wherein a single-chip microcomputer and a remote central control module are respectively installed inside the electric control box, and the data ends of the air pressure probe, the remote central control module and the tension sensor are all connected to the single-chip microcomputer data.

[0021] Preferably, an elevator traction system comprises a traction motor, a traction wheel, a traction rope and a traction guide wheel installed on a guide rail frame, wherein the output shaft end of the traction motor is fixedly connected to the traction wheel, the traction rope is wound on the traction wheel, the traction guide wheel is in contact with the traction rope, and the other end of the traction rope is connected to the traction ring.

[0022] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0023] 1. When the present invention is working, on the one hand, it can realize the anti-fall self-locking protection of the counterweight device, and on the other hand, the counterweight device can also effectively reduce the impact force received by the counterweight device when a sudden fall occurs through the setting of the buffer structure and the impact structure. At the same time, the counterweight device can also realize the airbag protection of the counterweight device when a bottoming phenomenon occurs, thereby improving the safety of the use of the counterweight device in multiple ways.

[0024] 2. In the present invention, when the elevator traction system breaks or the traction ring loses its traction function, the two self-locking plates move downward sufficiently away under the action of the compression spring. After the two self-locking plates move away from each other, the two self-locking plates are respectively connected to the two positioning tooth plates, thereby locking the position of the hanger on the guide rail frame and preventing the hanger from falling off due to a failure of the elevator traction system. By realizing the above-mentioned anti-fall protection function, the safety of the counterweight balancing device is effectively improved.

[0025] 3. In the present invention, when the counterweight balancing device is in an abnormal motion range and a sudden drop occurs, the trigger tooth plate triggers the driven gear, and the one-way lock tongue loses its limiting effect on the roller. Under the elastic force of the buffer spring, the distance between the two counterweight plates increases instantaneously, and the sudden drop force of the counterweight plates is offset to a certain extent, and the buffer spring can fully exert its buffering effect, thereby reducing the impact size of the counterweight balancing device during a sudden drop, thereby improving the safety of the counterweight balancing device when a sudden drop occurs.

[0026] 4. In the present invention, the position of the adjusting platform on the carrier can be adjusted by setting the screw transmission module. By changing the position of the adjusting platform on the carrier, the friction strength of the brake rubber block on the friction wheel and the friction force between the friction wheel and the guide rail frame can be changed. By adjusting the friction force when the device is displaced, the displacement resistance or counterweight strength of the counterweight device on the guide rail frame can be adjusted within a certain range. Specifically, since the counterweight of the elevator is different when the elevator goes up and down due to the addition of friction, the position of the adjusting platform can be adjusted separately when the counterweight device goes up and down, so that the counterweight device can independently adjust the counterweight according to the operating state of the elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a safety counterweight balancing device;

[0028] Figure 2 for Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0029] Figure 3 for Figure 1 A schematic diagram of the local enlarged structure at B in the middle;

[0030] Figure 4 It is a structural schematic diagram of the hanger and the connecting rod;

[0031] Figure 5 It is a schematic diagram of the structure of the strap and the weight plate;

[0032] Figure 6 for Figure 5 A schematic diagram of the local enlarged structure at C in the middle;

[0033] Figure 7 for Figure 5 A schematic diagram of the local enlarged structure at D in the middle;

[0034] Figure 8 It is a structural schematic diagram of the screw drive module and the adjustment platform;

[0035] Fig. 9 for Figure 8 Schematic diagram of the local enlarged structure at point E in the middle.

[0036] In the figure: 1. Guide rail frame; 2. Hanger; 3. Carrier; 4. Friction wheel; 5. Brake rubber block; 6. Screw drive module; 7. Adjustment table; 8. T-shaped guide rod; 9. Counterweight plate; 10. Buffer spring; 11. Electric control box; 12. Air pump; 13. Pulling table; 14. Traction ring; 15. Tension sensor; 16. Self-locking plate; 17. Connecting rod; 18. Positioning tooth plate; 19. Compression spring; 20. Lower circle Shaft; 21. Roller; 22. Square shaft; 23. Belt; 24. Guide wheel; 25. Upper round shaft; 26. Hollow shaft; 27. Synchronous shaft; 28. Locking shaft; 29. ​​Torsion spring; 30. One-way locking tongue; 31. Locking gear; 32. Trigger frame; 33. Elastic pressure-resistant part; 34. Trigger tooth plate; 35. Driven gear; 36. Buffer bag; 37. Pressure relief bag; 38. Electric air valve; 39. Air pressure probe. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-9 A safety counterweight balancing device includes a guide rail frame 1. When in use, the guide rail frame 1 is fixed in the elevator shaft, and also includes:

[0039] The hanger 2 and the carrier 3 are connected to each other, and both the hanger 2 and the carrier 3 are slidably connected to the guide rail frame 1, and the hanger 2 is equipped with an anti-falling pulling component;

[0040] The anti-falling pulling component includes a pulling platform 13 and a pulling ring 14, and a tension sensor 15 is installed between the pulling ring 14 and the pulling platform 13;

[0041] During installation, the traction ring 14 is connected to the elevator traction system and drives the traction platform 13 to move along the direction of the guide rail frame 1;

[0042] By setting the tension sensor 15, the pulling force of the elevator pulling system on the pulling platform 13 can be detected in real time and the counterweight size of the counterweight balancing device can be monitored in real time;

[0043] The hanger 2 is slidably connected to two symmetrically arranged self-locking plates 16, and a connecting rod 17 is hinged between the two self-locking plates 16 and the traction ring 14;

[0044] Two positioning tooth plates 18 are installed on the inner wall of the guide rail frame 1. The two positioning tooth plates 18 are respectively adapted to be connected with the two self-locking plates 16. The sides of the two self-locking plates 16 are each installed with a compression spring 19 limited by the pulling platform 13.

[0045] When the elevator traction system applies force to the traction ring 14, the two self-locking plates 16 approach each other and are sufficiently away from the positioning tooth plate 18, thereby allowing the hanger 2 to slide freely in the guide rail frame 1;

[0046] When the elevator traction system breaks or the traction ring 14 loses its traction function, the two self-locking plates 16 move away from each other under the action of the compression spring 19. After the two self-locking plates 16 move away from each other, the two self-locking plates 16 are respectively connected to the two positioning tooth plates 18, thereby locking the hanger 2 on the guide rail frame 1 and preventing the hanger 2 from falling off due to a failure of the elevator traction system. By realizing the above-mentioned anti-fall protection function, the safety of the counterweight balancing device is effectively improved;

[0047] A screw transmission module 6 is installed on the carrier 3, and an adjustment platform 7 is installed on the screw transmission module 6. A group of T-shaped guide rods 8 are installed on the top surface of the adjustment platform 7. A group of regularly distributed counterweight plates 9 are arranged above the adjustment platform 7. Each counterweight plate 9 is slidably connected to the T-shaped guide rod 8. A buffer spring 10 is sleeved on each T-shaped guide rod 8 and at a position corresponding to the position between the adjustment platform 7 and the adjacent counterweight plate 9 and at a position above each counterweight plate 9;

[0048] A group of friction wheels 4 that fit with the guide rail frame 1 are rotatably mounted on the carrier 3, a brake rubber block 5 that fits with the friction wheels 4 is slidably mounted on the inner wall of the carrier 3, and the surface of the adjustment platform 7 is fixedly connected to the brake rubber block 5 through a support rod;

[0049] By setting the screw transmission module 6, the position of the adjustment platform 7 on the carrier 3 can be adjusted. By changing the position of the adjustment platform 7 on the carrier 3, the friction strength of the brake rubber block 5 on the friction wheel 4 and the friction force between the friction wheel 4 and the guide rail frame 1 can be changed. By adjusting the friction force when the device is displaced, the displacement resistance or counterweight strength of the counterweight device on the guide rail frame 1 can be adjusted within a certain range. Specifically, due to the addition of friction, the counterweight when the elevator goes up and down is different. Therefore, when the counterweight device goes up and down, the position of the adjustment platform 7 can be adjusted separately, so that the counterweight device can independently adjust the counterweight according to the running state of the elevator.

[0050] The screw transmission module 6 includes a transmission motor and a transmission screw driven by the transmission motor. An encoder is built into the transmission motor. The displacement resistance or counterweight strength of the counterweight device can be precisely adjusted by setting the encoder.

[0051] By realizing the dynamic adjustment effect of displacement resistance or counterweight strength of the counterweight balancing device, the energy saving and safety of the elevator during operation are effectively improved;

[0052] A locking component, mounted on the carrier 3 and defining the position of each counterweight plate 9 on the adjustment platform 7;

[0053] A trigger module is installed at the bottom of the guide rail frame 1 and triggers the locking component to lose the limiting effect on the counterweight plate 9;

[0054] The locking component includes a lower circular shaft 20 rotatably connected to the carrier 3, a winding roller 21 rotatably connected to the adjustment platform 7, and a square shaft 22 rotatably connected to the carrier 3. The lower circular shaft 20 is rotatably connected to the hinge tube 5, the winding roller 21 is driven by the square shaft 22, and the square shaft 22 is driven by the lower circular shaft 20.

[0055] The locking component also includes an upper circular shaft 25 rotatably connected to the carrier 3, the upper circular shaft 25 is transmission-connected to the lower circular shaft 20 via a first belt, and a first bevel gear is installed on both the upper circular shaft 25 and the square shaft 22, and the two first bevel gears are meshed with each other;

[0056] A hollow shaft 26 connected to the square shaft 22 is rotatably mounted on the inner wall of the adjustment platform 7;

[0057] The hollow shaft 26 has a hollow groove with two ends open and slidably connected to the square shaft 22. The cross-sections of the hollow groove and the square shaft 22 are both regular polygons.

[0058] A synchronous shaft 27 is rotatably mounted on the adjusting table 7, and a second bevel gear is mounted on both the synchronous shaft 27 and the hollow shaft 26. The two second bevel gears are meshed with each other, and the synchronous shaft 27 is connected to the winding roller 21 through a second belt.

[0059] Through the hollow groove and the regular polygonal cross section of the square shaft 22, the square shaft 22 can continuously drive the winding roller 21 during the position change of the adjustment platform 7;

[0060] A one-way locking assembly is provided on the outer side of the lower circular shaft 20, and two straps 23 are wound on the winding roller 21. The other ends of the two straps 23 are fixedly connected to the carrier 3, and two symmetrically arranged guide wheels 24 are rotatably installed on the top counterweight plate 9 and corresponding to the positions of the two straps 23.

[0061] The one-way locking assembly includes a locking shaft 28 rotatably connected to the carrier 3, a torsion spring 29 is fixedly arranged at the rotation connection between the locking shaft 28 and the carrier 3, two symmetrically arranged one-way locking tongues 30 are installed on the locking shaft 28, and locking gears 31 are installed on the lower circular shaft 20 and at positions corresponding to the two one-way locking tongues 30, and the two locking gears 31 are respectively adapted to connect with the two one-way locking tongues 30;

[0062] When the counterweight balancing device is in a normal motion stroke, the trigger module does not contact the locking shaft 28. Under the torsion of the torsion spring 29, the one-way locking tongue 30 has a tendency to approach the locking gear 31 and realize the one-way locking of the locking gear 31. The one-way locking tongue 30 locks the locking gear 31 in one direction, thereby limiting the angle of the roller 21 and the distance between the two counterweight plates 9. By limiting the distance between the two counterweight plates 9 under normal working conditions, the stability of the counterweight balancing device during normal operation is effectively guaranteed.

[0063] The trigger module includes a trigger frame 32, two sets of symmetrically arranged elastic pressure-resistant parts 33 are installed between the trigger frame 32 and the guide frame 1, two trigger tooth plates 34 are installed on the trigger frame 32, and driven gears 35 are installed on the locking shaft 28 and at positions corresponding to the two trigger tooth plates 34, and the two driven gears 35 are respectively adapted to be connected with the two trigger tooth plates 34;

[0064] When the counterweight balancing device is in an abnormal motion range and a sudden drop occurs, the trigger tooth plate 34 triggers the driven gear 35, and the one-way lock tongue 30 loses its limiting effect on the roller 21. Under the elastic force of the buffer spring 10, the distance between the two counterweight plates 9 increases instantaneously, and the sudden drop force of the counterweight plates 9 is offset to a certain extent, and the buffer spring 10 fully exerts its buffering effect, thereby reducing the impact of the counterweight balancing device during a sudden drop, thereby improving the safety of the counterweight balancing device when a sudden drop occurs;

[0065] The bag protection component is installed at the bottom of the guide rail frame 1 and protects the carrier 3 from falling.

[0066] The bag protection assembly includes a buffer bag 36 installed on the bottom surface of the carrier 3, and a pressure relief bag 37 installed on the bottom of the guide rail frame 1 and arranged relative to the buffer bag 36. An electric air valve 38 and an air pressure probe 39 are respectively installed on the pressure relief bag 37. An air pump 12 is installed on the bottom surface of the guide rail frame 1, and the port of the air pump 12 is connected to the inner cavity of the pressure relief bag 37.

[0067] It also includes an electric control box 11 installed on the carrier 3, and a single-chip microcomputer and a remote central control module are installed inside the electric control box 11. The data ends of the air pressure probe 39, the remote central control module and the tension sensor 15 are all connected to the single-chip microcomputer data.

[0068] Under normal working conditions, the interior of the buffer bag 36 and the pressure relief bag 37 are half filled with gas. When the counterweight balancing device suddenly falls, the buffer bag 36 and the pressure relief bag 37 are arranged to protect the counterweight balancing device from suddenly falling. When the pressure relief bag 37 is under pressure, the air pressure monitoring structure of the air pressure probe 39 is arranged to control the exhaust efficiency of the electric air valve 38 and ultimately maintain the air pressure inside the pressure relief bag 37 constant. By maintaining the constant air pressure, the counterweight device can move downward smoothly when it suddenly falls, thereby improving the safety of the device.

[0069] An elevator traction system includes a traction motor, a traction wheel, a traction rope and a traction guide wheel installed on a guide rail frame 1, the output shaft end of the traction motor is fixedly connected to the traction wheel, the traction rope is wound on the traction wheel, the traction guide wheel is in contact with the traction rope, and the other end of the traction rope is connected to the traction ring 14.

[0070] The working principle of the present invention is as follows: during deployment, the traction ring 14 is connected to the elevator traction system and drives the traction platform 13 to move in the direction of the guide rail frame 1. When the elevator traction system breaks or the traction ring 14 loses its traction effect, the two self-locking plates 16 move downward sufficiently away from each other under the action of the compression spring 19. After the two self-locking plates 16 move away from each other, the two self-locking plates 16 are respectively connected to the two positioning tooth plates 18, thereby locking the hanger 2 on the guide rail frame 1 and preventing the hanger 2 from falling off due to a failure of the elevator traction system. By realizing the above-mentioned anti-fall protection function, the safety of the counterweight balancing device is effectively improved. When the counterweight balancing device is in an abnormal motion range and a sudden fall occurs, the trigger tooth plate 34 triggers the driven gear 35, and the one-way lock tongue 30 loses its limiting effect on the winding roller 21. Under the elastic force of the buffer spring 10, the two self-locking plates 16 are locked in place. The spacing between the weight plates 9 increases instantaneously, and the sudden falling force of the counterweight plates 9 is offset to a certain extent, and the buffer spring 10 can fully play its buffering role, thereby reducing the impact size of the counterweight balancing device during a sudden fall, thereby improving the safety of the counterweight balancing device during a sudden fall. Under normal working conditions, the interior of the buffer bag 36 and the pressure relief bag 37 are half filled with gas. When the counterweight balancing device undergoes a sudden fall, the buffer bag 36 and the pressure relief bag 37 are set to protect the counterweight balancing device from sudden falling. When the pressure relief bag 37 is under pressure, the air pressure monitoring structure of the air pressure probe 39 is set to control the exhaust efficiency of the electric air valve 38 and ultimately maintain the air pressure inside the pressure relief bag 37 constant. By maintaining the constant air pressure, the counterweight device can move downward smoothly during a sudden fall, thereby improving the safety of the device.

[0071] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety counterweight balancing device, comprising a guide rail frame (1), characterized in that: Also includes: A hanger (2) and a carrier (3) are connected to each other, and the hanger (2) and the carrier (3) are both slidably connected to the guide rail frame (1). The hanger (2) is equipped with an anti-falling pulling component, and the carrier (3) is equipped with a screw transmission module (6). The screw transmission module (6) is equipped with an adjustment platform (7) for transmission. A group of T-shaped guide rods (8) are installed on the top surface of the adjustment platform (7). A group of regularly distributed counterweight plates (9) are arranged above the adjustment platform (7), and each of the counterweight plates (9) is Slidingly connected to the T-shaped guide rod (8), a buffer spring (10) is sleeved on each of the T-shaped guide rods (8) and at a position between the corresponding adjustment platform (7) and the adjacent counterweight plate (9) and at a position above each counterweight plate (9), a group of friction wheels (4) that are in contact with the guide rail frame (1) are rotatably mounted on the carrier (3), a brake rubber block (5) that is in contact with the friction wheel (4) is slidably mounted on the inner wall of the carrier (3), and the surface of the adjustment platform (7) is fixedly connected to the brake rubber block (5) via a support rod; A locking component, mounted on the carrier (3) and defining the position of each counterweight plate (9) on the adjustment platform (7); A trigger module is installed at the bottom of the guide rail frame (1) and triggers the locking component to lose its limiting effect on the counterweight plate (9); The bag protection component is installed at the bottom of the guide rail frame (1) and protects the carrier (3) from falling.

2. A safety counterweight balancing device according to claim 1, characterized in that: The anti-fall pulling component comprises a pulling platform (13) and a pulling ring (14), a tension sensor (15) is installed between the pulling ring (14) and the pulling platform (13), two symmetrically arranged self-locking plates (16) are slidably connected to the hanger (2), a connecting rod (17) is hinged between the two self-locking plates (16) and the pulling ring (14), two positioning tooth plates (18) are installed on the inner wall of the guide frame (1), the two positioning tooth plates (18) are respectively matched and connected with the two self-locking plates (16), and a compression spring (19) limited by the pulling platform (13) is installed on the side of the two self-locking plates (16).

3. A safety counterweight balancing device according to claim 1, characterized in that: The locking component comprises a lower circular shaft (20) and a square shaft (22) rotatably connected to the carrier (3), and a roller (21) rotatably connected to the adjustment platform (7); the roller (21) is driven by the square shaft (22); the square shaft (22) is driven by the lower circular shaft (20); a one-way locking assembly is provided on the outer side of the lower circular shaft (20); two straps (23) are wound on the roller (21); the other ends of the two straps (23) are fixedly connected to the carrier (3); and two symmetrically arranged guide wheels (24) are rotatably installed on the uppermost counterweight plate (9) and at positions corresponding to the two straps (23).

4. A safety counterweight balancing device according to claim 3, characterized in that: The locking component also includes an upper circular shaft (25) rotatably connected to the carrier (3), the upper circular shaft (25) being transmission-connected to the lower circular shaft (20) via a first belt, a first bevel gear being mounted on each of the upper circular shaft (25) and the square shaft (22), the two first bevel gears being meshed with each other, a hollow shaft (26) being rotatably mounted on the inner wall of the adjustment platform (7) and being connected to the square shaft (22), a synchronous shaft (27) being rotatably mounted on the adjustment platform (7), a second bevel gear being mounted on each of the synchronous shaft (27) and the hollow shaft (26), the two second bevel gears being meshed with each other, and the synchronous shaft (27) being transmission-connected to the roller (21) via a second belt.

5. A safety counterweight balancing device according to claim 4, characterized in that: The hollow shaft (26) is fixedly provided with a hollow groove with two ends opened and slidably connected to the square shaft (22), and the cross sections of the hollow groove and the square shaft (22) are both regular polygons.

6. A safety counterweight balancing device according to claim 4, characterized in that: The one-way locking assembly comprises a locking shaft (28) rotatably connected to the carrier (3); a torsion spring (29) is fixedly arranged at the rotation connection between the locking shaft (28) and the carrier (3); two symmetrically arranged one-way locking tongues (30) are mounted on the locking shaft (28); locking gears (31) are mounted on the lower circular shaft (20) at positions corresponding to the two one-way locking tongues (30); and the two locking gears (31) are respectively adapted to be connected to the two one-way locking tongues (30).

7. A safety counterweight balancing device according to claim 6, characterized in that: The trigger module comprises a trigger frame (32), two groups of symmetrically arranged elastic pressure-resistant parts (33) are installed between the trigger frame (32) and the guide rail frame (1), two trigger tooth plates (34) are installed on the trigger frame (32), and driven gears (35) are installed on the locking shaft (28) at positions corresponding to the two trigger tooth plates (34), and the two driven gears (35) are respectively adapted to be connected with the two trigger tooth plates (34).

8. A safety counterweight balancing device according to claim 2, characterized in that: The bag protection assembly comprises a buffer bag (36) installed on the bottom surface of the carrier (3), and a pressure relief bag (37) installed on the bottom of the guide rail frame (1) and arranged relative to the buffer bag (36), and the pressure relief bag (37) is respectively installed with an electric air valve (38) and an air pressure probe (39), and the bottom surface of the guide rail frame (1) is installed with an air pump (12), and the port of the air pump (12) is connected to the inner cavity of the pressure relief bag (37).

9. A safety counterweight balancing device according to claim 8, characterized in that: It also includes an electric control box (11) installed on the carrier (3), wherein a single-chip microcomputer and a remote central control module are respectively installed inside the electric control box (11), and the data ends of the air pressure probe (39), the remote central control module and the tension sensor (15) are all connected to the single-chip microcomputer data.

10. An elevator traction system, characterized in that: It comprises a traction motor, a traction wheel, a traction rope and a traction guide wheel mounted on a guide rail frame (1); the output shaft end of the traction motor is fixedly connected to the traction wheel, the traction rope is wound on the traction wheel, the traction guide wheel is fitted with the traction rope, and the other end of the traction rope is connected to a traction ring (14).

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