Double-counterweight elevator traction structure

Abstract

The utility model relates to the technical field of elevators, in particular to a double-counterweight elevator traction structure which comprises a traction machine installed on a maintenance platform, a driving wheel is fixed to the traction machine and connected with a traction steel belt, a counterweight block is fixed to one end of the driving wheel, and the other end of the driving wheel is connected with a first driving guide wheel and a second driving guide wheel. A first suspension guide wheel and a second suspension guide wheel are further fixed in the maintenance platform and connected with a suspension steel belt, one end of the suspension steel belt is connected with a counterweight block, and the ends, close to each other, of the suspension steel belt and the traction steel belt are both connected with a lift car. The problem that the containing space of a lift car is passively compressed due to the fact that the double-counterweight elevator occupies more transverse space of an elevator shaft when being used is solved, and therefore the double-counterweight elevator is not suitable for being used by a small elevator shaft is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a double-counterweight elevator traction structure. Background Art

[0002] Double counterweight elevator is a special type of elevator design, which is characterized by the use of two sets of counterweight devices. In conventional elevator design, the counterweight device is an important component of the elevator system. Its main function is to balance the weight of the elevator car and help the elevator run more smoothly and efficiently.

[0003] Double counterweight elevators can further optimize the performance of elevators by adding a counterweight device. This design may help reduce energy consumption during elevator operation, increase the elevator's carrying capacity, or in some cases, improve the elevator's riding comfort.

[0004] However, the design and manufacture of double counterweight elevators are usually more complicated than conventional elevators, requiring more space and more precise adjustments. Therefore, this type of elevator is usually only used in specific high-performance requirements or special application scenarios.

[0005] Compared with traditional single counterweight elevators, the double counterweight design of double counterweight elevators can better balance the weight of the elevator car and the load, making the elevator run more smoothly and reducing vibration and noise. Since the double counterweight design can better balance the weight of the elevator, the power required by the elevator motor will be reduced accordingly, which helps to save energy and reduce operating costs. Secondly, double counterweight elevators can carry heavier loads than single counterweight elevators and are suitable for places where heavy objects or large numbers of people need to be carried. Double counterweight elevators require counterweight systems to be installed on both sides of the elevator. Therefore, in the reserved elevator shaft, due to the design and structural complexity of the double counterweight system, more space is required for the operation of the double counterweight system and for easy maintenance, which will further compress the car space and have a greater impact on the car capacity. Secondly, double counterweight elevators are not suitable for buildings with limited space.

[0006] A double counterweight elevator with announcement number CN208308191U comprises a traction main machine, a car and two counterweights symmetrically arranged on both sides of the car, wherein the car is provided with a car top wheel, a counterweight wheel is arranged above the counterweight, and also comprises a main guide wheel and a counterweight guide wheel for guiding the direction of the traction rope, the traction main machine is arranged on the main machine beam and is arranged obliquely, a car top wheel and a main guide wheel are arranged on both sides below the main machine wheel, and counterweight guide wheels are arranged above the two counterweight wheels; one end of the traction rope is fixed on the main machine beam, and the other end passes downward around the car top wheel and then extends upward, passes around the main machine wheel, the main guide wheel and the first counterweight guide wheel in sequence, and then splits into two. One traction rope passes around a pair of counterweight wheels and then extends upward and is fixed on the main beam or the top of the shaft; the other traction rope passes around the second counterweight guide wheel and the second counterweight wheel in turn and then extends upward and is fixed on the main beam or the top of the shaft. Although this technical solution solves the problems of deep pit, high construction cost, difficult maintenance and high energy consumption of double-counterweight elevators in the prior art, this technical device has counterweight wheels installed on the top of the counterweight device on both sides of the car. Therefore, when the car is raised or lowered, there are two steel cables in the counterweight wheel of the single-side counterweight device. In order to avoid collision and friction of the steel cables caused by shaking of the car, the size of the counterweight wheel needs to be designed to be larger, which greatly affects the size of the car. Utility Model Content

[0007] The utility model provides a double-counterweight elevator traction structure, which solves the problem in the prior art that the use of the double-counterweight elevator occupies more lateral space of the elevator shaft and thus causes passive compression of the accommodating space of the car.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A double-counterweight elevator traction structure includes a traction machine installed on a maintenance platform. The traction machine is fixed with a traction wheel, which is connected to a traction steel belt. A counterweight device is fixed on one end of the traction machine, and an active guide wheel 1 and an active guide wheel 2 are connected on the other end. Suspension guide wheels 1 and 2 are also fixed in the maintenance platform and are connected to a suspension steel belt. One end of the suspension steel belt is connected to the counterweight device, and the ends of the suspension steel belt and the traction steel belt that are close to each other are connected to the car.

[0010] Preferably, the maintenance platform is located at the top of the elevator shaft, the traction machine is installed at one end of the maintenance platform, the traction wheel is coaxially fixed with the output shaft of the traction machine, the active guide wheel 1 is fixed to the bottom surface of the maintenance platform, and the suspension steel belt is connected to the active guide wheel 1 by the traction wheel passing through the maintenance platform.

[0011] Preferably, the active guide wheel 2 is fixed at the middle of the maintenance platform and is located on the same straight line as the active guide wheel 1. The traction steel belt passes through the maintenance platform from the active guide wheel 1 and is connected to the active guide wheel 2. The traction steel belt passes through the maintenance platform from the active guide wheel 2 and extends to the bottom of the maintenance platform, and the end is connected to the car.

[0012] Preferably, a suspension guide wheel No. 2 is fixed at one end of the maintenance platform farther from the traction machine, and the suspension guide wheel No. 2 is mounted and fixed on the upper part of the maintenance platform. A suspension guide wheel No. 1 is provided in the middle of the maintenance platform, and a suspension steel belt is wound around the suspension guide wheel No. 2, and the suspension steel belt is connected and wound around the suspension guide wheel No. 2 and the suspension guide wheel No. 1.

[0013] Preferably, the suspension guide wheel 1 and the active guide wheel 2 are both fixed on the surface of the middle part of the maintenance platform and are located in the same vertical plane. The vertical plane is perpendicular to the maintenance platform. The suspension steel belt extends from the suspension guide wheel 1 through the maintenance platform to the bottom of the maintenance platform, and the end is connected to the car.

[0014] Preferably, the car is a rectangular box structure located in the middle of the elevator shaft, and counterweight devices are provided on both sides outside the car, and the counterweight devices are respectively connected and fixed to the ends of the traction steel belt and the suspension steel belt on the same side.

[0015] Preferably, two top wheels are provided on the top surface of the car, the top wheels are arranged in parallel and in line, and the top wheels correspond to the second active guide wheel and the first suspension guide wheel, and the top wheels are respectively connected to the second active guide wheel and the suspension guide wheel on the same side by using traction steel belts and suspension steel belts.

[0016] Preferably, the counterweight device is a rectangular sheet structure parallel to the side of the car on the same side.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model discloses a double-counterweight elevator traction structure. The utility model transfers the traction transmission structure to the vicinity of the elevator shaft maintenance platform, which is convenient for maintenance personnel to directly check on the maintenance platform. At the same time, the transmission structure is transferred so that the counterweight device does not need to be connected to a fixed pulley, and the number of steel cables on both sides of the car is changed from two strands on a single side to one strand on a single side, thereby reducing the elevator shaft space on both sides of the car, so that the double-counterweight elevator can be used in more elevator shafts with limited space, thereby expanding its scope of use.

[0019] Since the utility model transfers the transmission structure to the vicinity of the elevator shaft maintenance platform, changes in the transmission structure can be more conveniently observed on the maintenance platform, making it more convenient for maintenance personnel to observe and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1The present invention is a schematic diagram of an elevator traction structure according to an embodiment of the present invention.

[0021] Figure 2 The figure is a schematic top view of the overall structure of an embodiment of the utility model.

[0022] In the figure: traction machine 1, traction wheel 2, active guide wheel 1 3, active guide wheel 2 4, suspension guide wheel 1 5, suspension guide wheel 2 6, maintenance platform 7, traction steel belt 8, suspension steel belt 9, car 10, counterweight device 11, car guide rail 12, counterweight guide rail 13, car door 14, elevator shaft 15. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The double-counterweight elevator of the prior art comprises a traction main machine, a car and two counterweights symmetrically arranged on both sides of the car, wherein the car is provided with a car top wheel, a counterweight wheel is arranged above the counterweight, and also comprises a main guide wheel and a counterweight guide wheel for guiding the direction of the traction rope, the traction main machine is arranged on the main machine beam and is arranged obliquely, a car top wheel and a main guide wheel are arranged on both sides below the main machine wheel, and a counterweight guide wheel is arranged above the two counterweight wheels; one end of the traction rope is fixed to the main machine beam, and the other end passes downward around the car top wheel and then extends upward, passes around the main machine wheel, the main guide wheel and the first counterweight guide wheel in sequence, and then splits into two, and one traction rope passes around a pair of weight wheels and then extends upward The elevator car is fixed on the main beam or on the top of the shaft; the other traction rope passes around the second counterweight guide wheel and the second counterweight wheel in turn and then extends upward and is fixed on the main beam or on the top of the shaft. Although this technical solution solves the problems of deep pit, high construction cost, difficult maintenance and high energy consumption of double-counterweight elevators in the prior art, this technical device has counterweight wheels installed on the top of the counterweight devices on both sides of the car. Therefore, when the car is raised or lowered, there are two steel cables in the counterweight wheel of the single-side counterweight device. In order to avoid collision and friction of the steel cables caused by shaking of the car, the size of the counterweight wheel needs to be designed to be larger, which greatly affects the size of the car. In order to solve the above problems, this embodiment is provided.

[0025] See also Figure 1 and Figure 2 For this embodiment, Figure 1 Schematic diagram of the elevator traction structure of this embodiment. Figure 2This is a schematic top view of the overall structure of this embodiment. This embodiment is a double-counterweight elevator traction structure, including a traction machine installed on a maintenance platform. The traction machine is fixed with a traction wheel, and the traction wheel is connected to the traction steel belt. One end of the traction machine is fixed with a counterweight device, and the other end is connected to an active guide wheel one and an active guide wheel two. A suspension guide wheel one and a suspension guide wheel two are also fixed in the maintenance platform and are connected to a suspension steel belt. One end of the suspension steel belt is connected to the counterweight device, and the ends of the suspension steel belt and the traction steel belt that are close to each other are connected to the car.

[0026] The present embodiment discloses a double-counterweight elevator traction structure. The present embodiment transfers the traction transmission structure to the vicinity of the elevator shaft maintenance platform, which is convenient for maintenance personnel to directly check on the maintenance platform. At the same time, the transmission structure is transferred so that the counterweight device does not need to be connected to a fixed pulley, and the number of steel cables on both sides of the car is changed from two strands on one side to one strand on one side, thereby reducing the elevator shaft space on both sides of the car, so that the double-counterweight elevator can be used in more elevator shafts with limited space, thereby expanding its scope of use.

[0027] In addition, in this embodiment, the steel cable is replaced with a steel belt. The steel belt has a better load-bearing capacity than the steel cable. The steel cable and the pulley cooperate to reduce noise during transmission operation.

[0028] This embodiment not only ensures the stability and safety of the elevator operation, but also greatly improves the operation efficiency of the elevator. The traction machine is the core component of the entire system. Its fixed traction wheel is connected to the counterweight device and the car through the traction steel belt, forming the basic power chain of the elevator operation. The setting of the active guide wheel 1 and the active guide wheel 2 further enhances the guidance and stability of the traction steel belt, and effectively prevents the steel belt from deflecting or shaking during operation.

[0029] Inside the maintenance platform, the first and second suspension guide wheels are set up, and they are connected to the suspension steel belt, one end of which is connected to the counterweight device, and the other end is connected to the car, providing another stable support path for the elevator to rise and fall. This double suspension and traction structure makes the elevator more stable during operation and the passengers' riding experience more comfortable.

[0030] In addition, the double-counterweight elevator traction structure also has high safety performance. Once an abnormal situation occurs during the operation of the elevator, such as the breakage of the traction steel belt or the suspension steel belt, the system will automatically activate the safety protection device and smoothly stop the car at the nearest floor to ensure the safety of passengers. At the same time, the structure is also easy to maintain and inspect, making the daily maintenance and management of the elevator more convenient.

[0031] The maintenance platform is located at the top of the elevator shaft, the traction machine is installed at one end of the maintenance platform, the traction wheel is coaxially fixed with the output shaft of the traction machine, the active guide wheel is fixed to the bottom surface of the maintenance platform, and the traction steel belt passes through the maintenance platform and is connected to the active guide wheel by the traction wheel.

[0032] Driven by the traction machine, the traction sheave starts to rotate, thereby driving the traction steel belt to circulate. The traction steel belt is a vital part of the elevator system. It is responsible for carrying the elevator car and counterweight device, and slides on the traction sheave and guide wheel through friction to achieve the up and down movement of the elevator.

[0033] At the other end of the traction steel belt, another guide wheel, namely the active guide wheel 2, is installed. This guide wheel is also fixed to the bottom surface of the maintenance platform, but is located at a different position from the active guide wheel 1 to ensure that the traction steel belt can form a stable closed loop. Through the cooperation of these two guide wheels, the traction steel belt can maintain a stable path in the elevator shaft, reducing friction and collision with the shaft wall, thereby ensuring the smooth and safe operation of the elevator.

[0034] In addition, at the other end of the maintenance platform, we have set up an emergency brake device. This device can be quickly activated when an abnormality occurs in the elevator system, and mechanically or electronically locks the traction steel belt to the traction sheave, thereby preventing the elevator from moving further. This provides important safety protection for passengers and maintenance personnel, ensuring that the elevator status can be controlled in time in an emergency.

[0035] In order to monitor the operation status of the elevator and ensure its safety and reliability, we have also installed an intelligent monitoring system on the maintenance platform. The system can monitor the elevator's operating speed, position, load and other key parameters in real time, and send the data to the remote monitoring center through wireless transmission technology. When an abnormal situation is found, the monitoring system can automatically start the emergency processing procedures, such as emergency braking, alarm notification, etc., to ensure the safe operation of the elevator.

[0036] In summary, through the coordinated work of the traction machine, traction steel belt, guide wheel, emergency brake device and intelligent monitoring system, we can ensure the stable operation of the elevator system and the safety of passengers. At the same time, the design of the maintenance platform also provides convenient conditions for repair and maintenance work, making the maintenance of the elevator system more efficient and reliable.

[0037] The active guide wheel 2 is fixed at the middle of the maintenance platform and is located on the same straight line as the active guide wheel 1. The traction steel belt passes through the maintenance platform from the active guide wheel 1 and is connected to the active guide wheel 2. The traction steel belt passes through the maintenance platform from the active guide wheel 2 and extends to the bottom of the maintenance platform, and the end is connected to the car.

[0038] At the bottom of the maintenance platform, the end of the traction steel belt is firmly connected to the car through a connecting device. This connecting device must not only be able to bear the weight of the car and passengers, but also maintain a stable connection during the operation of the elevator to ensure the safety of the passengers.

[0039] In order to ensure the smooth operation of the traction steel belt, the active guide wheel 1 and the active guide wheel 2 are equipped with high-precision bearings and lubrication systems. These components are precisely designed and manufactured to reduce friction and wear and increase the service life of the traction steel belt.

[0040] A suspension guide wheel No. 2 is fixed at one end of the maintenance platform farther from the traction machine. The suspension guide wheel No. 2 is mounted and fixed on the upper part of the maintenance platform. A suspension guide wheel No. 1 is provided in the middle of the maintenance platform. A suspension steel belt is wound around the suspension guide wheel No. 2. The suspension steel belt is connected and wound between the suspension guide wheel No. 2 and the suspension guide wheel No. 1.

[0041] One end of the suspension steel belt is fixed on the suspension guide wheel 2, and the other end is passed around the suspension guide wheel 1, forming a stable support system. This design not only ensures the stability of the maintenance platform during the lifting process, but also greatly enhances its load-bearing capacity, allowing the platform to carry more maintenance equipment and personnel.

[0042] Under the guidance of the suspension steel belt, the maintenance platform can rise or fall smoothly, which provides great convenience for maintenance work in the elevator shaft. At the same time, the coordinated use of the suspension guide wheel 2 and the suspension guide wheel 1 effectively reduces the friction of the suspension steel belt during operation, prolongs the service life of the steel belt, and reduces maintenance costs.

[0043] It is worth mentioning that the suspension guide wheel 2 not only serves as a fixing point for the suspension steel belt, but also plays a guiding and balancing role. It is fixed on the upper part of the maintenance platform to ensure the stability and safety of the platform during the lifting process. At the same time, the reasonable layout between the suspension guide wheel 2 and the suspension guide wheel 1 also ensures that the suspension steel belt will not be twisted or offset during operation, further improving the stability and reliability of the platform.

[0044] In addition to the design of the suspension steel belt and suspension guide wheel, the maintenance platform is also equipped with a variety of safety protection devices. For example, during the platform lifting process, if an unexpected situation causes the platform to lose control, the safety protection device will be activated immediately and quickly lock the platform in the current position to prevent a fall accident. In addition, the maintenance platform is also equipped with safety equipment such as emergency brakes and fall arresters, providing all-round safety protection for maintenance personnel.

[0045] The suspension guide wheel 1 and the active guide wheel 2 are both fixed on the surface of the middle part of the maintenance platform and are located in the same vertical plane. The vertical plane is perpendicular to the maintenance platform. The two guide wheels located in the middle are the suspension guide wheel 1 and the active guide wheel 2 respectively. The two guide wheels are responsible for fixing and guiding the suspension steel belt and traction steel belt. The suspension steel belt extends from the suspension guide wheel 1 through the maintenance platform to the bottom of the maintenance platform, and the end is connected to the car. The suspension guide wheel 1 and the active guide wheel 2 are downwardly mapped on both sides of the middle part of the top surface of the car. The guide wheel design corresponding to the car makes the weight of the car more evenly shared by the two guide wheels. Therefore, the two guide wheels also bear the main function of loading the car. Therefore, the material selection of these two guide wheels needs to be metal pulleys with high fatigue resistance and high rigidity. When used in general occasions, the traction steel belt and the suspension steel belt are directly fixedly connected to the top of the car with a rigid belt connecting device. Without affecting the transmission relationship, the complexity of the car structure is further reduced.

[0046] The car is a rectangular box structure with a car door. The car is located in the middle of the elevator shaft. Counterweight devices are provided on both sides outside the car. The counterweight devices are rectangular sheet structures and are parallel to the side of the car on the same side. The counterweight devices are respectively connected and fixed to the ends of the traction steel belt and the suspension steel belt on the same side. Two machine top wheels are provided on the top surface of the car. The machine top wheels are arranged in parallel and in line, and the machine top wheels correspond to the second active guide wheel and the first suspension guide wheel. The machine top wheels are respectively connected to the second active guide wheel and the suspension guide wheel on the same side by using traction steel belts and suspension steel belts.

[0047] The traction steel belt and suspension steel belt are the main power transmission components of the elevator. They are made of high-strength, wear-resistant materials and can withstand huge tensile forces. In order to ensure the safe operation of the elevator, the steel belt needs to be inspected and replaced regularly.

[0048] Active guide wheel 2 and suspension guide wheel 1 play a guiding and stabilizing role in the operation of the elevator. Their design takes into account the smoothness of operation and noise control, ensuring that passengers can enjoy a comfortable environment during the ride.

[0049] The counterweight devices on both sides of the car use counterweight devices with the same counterweight, with an error of less than 1kg, to avoid excessive local wear on the steel belt and shorten the maintenance cycle. The counterweight block is a rectangular sheet structure with a thickness of 5cm and a height of half the height of the car. It is located in the middle of both sides of the car to avoid the car colliding with the maintenance platform due to high-speed emergency stops. The sheet-shaped counterweight block is parallel to the side of the car on the same side, saving elevator shaft space on both sides of the car, so that a car with a larger internal space can be used.

[0050] The beneficial effects produced by this embodiment are:

[0051] The utility model of a double counterweight elevator traction structure has many significant advantages and effects, which are mainly summarized as follows:

[0052] This embodiment transfers the traction transmission structure to the vicinity of the elevator shaft maintenance platform, which is convenient for maintenance personnel to directly check on the maintenance platform. At the same time, the transmission structure is transferred so that the counterweight device does not need to be connected to the fixed pulley, and the number of steel cables on both sides of the car is changed from two strands on one side to one strand on one side, thereby reducing the elevator shaft space on both sides of the car, allowing double-counterweight elevators to be used in more elevator shafts with limited space, thereby expanding their scope of use.

[0053] Secondly, the traction main machine of this embodiment does not need to be equipped with a reduction box, but relies on frequency conversion and voltage conversion to control the running speed. This design ensures that there is no friction noise between the gears during the operation of the elevator, and the overall operation is stable and quiet.

[0054] By optimizing and improving the traction system and the hoistway frame structure, the height requirement of the hoistway pit is reduced, which reduces the difficulty of installation. The double counterweight design also makes the layout of the elevator in the hoistway more reasonable and improves the installation efficiency.

[0055] The counterweight is arranged symmetrically on the left and right, which is not only beautiful, but also makes the car door correspond to the opening of the elevator shaft, and the car door and the left and right walls of the elevator shaft are the same size, with good symmetry, which is especially suitable for sightseeing elevators. The double counterweight design can also make the elevator more coordinated and unified in appearance, improving the overall aesthetics.

[0056] In addition to the above-mentioned embodiments, within the scope disclosed in the claims and the specification of the utility model, the technical features or technical data of the utility model can be reselected and combined to form new embodiments, which should also be regarded as specific embodiments of the utility model and within the protection scope of the utility model.

Claims

1. A double counterweight elevator traction structure, characterized in that: It includes a traction machine installed on a maintenance platform, the traction machine is fixed with a traction wheel, the traction wheel is connected to the traction steel belt, one end of the traction machine is fixed with a counterweight device, and the other end is connected to an active guide wheel 1 and an active guide wheel 2. A suspension guide wheel 1 and a suspension guide wheel 2 are also fixed in the maintenance platform and connected to a suspension steel belt, one end of the suspension steel belt is connected to the counterweight device, and the ends of the suspension steel belt and the traction steel belt that are close to each other are connected to the car.

2. The double counterweight elevator traction structure according to claim 1, characterized in that: The maintenance platform is located at the top of the elevator shaft, the traction machine is installed at one end of the maintenance platform, the traction wheel is coaxially fixed with the output shaft of the traction machine, the active guide wheel is fixed to the bottom surface of the maintenance platform, and the traction steel belt passes through the maintenance platform and is connected to the active guide wheel by the traction wheel.

3. The double counterweight elevator traction structure according to claim 1, characterized in that: The active guide wheel 2 is fixed at the middle of the maintenance platform and is located on the same straight line as the active guide wheel 1. The traction steel belt passes through the maintenance platform from the active guide wheel 1 and is connected to the active guide wheel 2. The traction steel belt passes through the maintenance platform from the active guide wheel 2 and extends to the bottom of the maintenance platform, and the end is connected to the car.

4. The double counterweight elevator traction structure according to claim 3, characterized in that: A suspension guide wheel No. 2 is fixed at one end of the maintenance platform farther from the traction machine. The suspension guide wheel No. 2 is mounted and fixed on the upper part of the maintenance platform. A suspension guide wheel No. 1 is provided in the middle of the maintenance platform. A suspension steel belt is wound around the suspension guide wheel No.

2. The suspension steel belt is connected and wound between the suspension guide wheel No. 2 and the suspension guide wheel No.

1.

5. The double counterweight elevator traction structure according to claim 4, characterized in that: The suspension guide wheel 1 and the active guide wheel 2 are both fixed on the surface of the middle part of the maintenance platform and are located in the same vertical plane. The vertical plane is perpendicular to the maintenance platform. The suspension steel belt extends from the suspension guide wheel 1 through the maintenance platform to the bottom of the maintenance platform, and the end is connected to the car.

6. The double counterweight elevator traction structure according to claim 1 or 4, characterized in that: The car is a rectangular box structure located in the middle of the elevator shaft. Counterweight devices are provided on both sides outside the car. The counterweight devices are respectively connected and fixed to the ends of the traction steel belt and the suspension steel belt on the same side.

7. The double counterweight elevator traction structure according to claim 1 or 5, characterized in that: The top surface of the car is provided with two top wheels, which are arranged in parallel and in line, and correspond to the second active guide wheel and the first suspension guide wheel. The top wheels are respectively connected to the second active guide wheel and the suspension guide wheel on the same side by traction steel belts and suspension steel belts.

8. The double-counterweight elevator traction structure according to claim 1, characterized in that: The counterweight device is a rectangular sheet structure and is parallel to the side of the car on the same side.

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