CN211393511U - Counterweight component - Google Patents

Abstract

The application discloses to heavy subassembly includes: the first guide rail and the second guide rail are vertically arranged in the shaft; the transverse partition beam is transversely arranged between the first guide rail and the second guide rail; a first counterweight moving along the first guide rail; a first counterweight wheel mounted on the first counterweight top; a second counterweight moving along a second guide rail; install the second counterweight wheel at second counterweight top, the contained angle of second counterweight wheel and two axial lines of first counterweight wheel is 10 degrees ~ 90 degrees, and dodge the diaphragm roof beam around the vertical extension route of the haulage rope of second counterweight wheel, this scheme is for prior art, first guide rail and second guide rail are along just arranging from top to bottom in the well, first counterweight is in the first half operation of well, the second counterweight is in the latter half operation of well, the motion orbit of first counterweight and the motion orbit of second counterweight can not produce the overlap in the operation space, so that the well space also can obtain effective utilization, in order to improve the space utilization that the car clear area of elevator occupies the well clear area and forms.

Description

Counterweight component

Technical Field

The application relates to the field of elevators, in particular to a counterweight assembly.

Background

With the continuous development of innovation, the number of elevators in China is steadily increasing. Generally, a common building is equipped with two or more elevators according to the traffic flow condition.

In the situation that two elevators are adjacently arranged, the elevator arrangement mode is two independent elevator mechanical systems except that an elevator control system adopts a parallel control mode, namely two counterweights which are arranged in a hoistway side by side are needed, and the two counterweights cannot be mutually overlapped. Therefore, when two counterweights are installed in the hoistway, the space utilization rate of the net area of the elevator car in the hoistway is not high.

SUMMERY OF THE UTILITY MODEL

The application provides a pair of heavy subassembly for when two sets of counter weights are installed in the well among the solution prior art, can cause the not high technical problem of space utilization that the car clear area of elevator accounts for well clear area and forms.

The application provides a to heavy subassembly includes:

the first guide rail and the second guide rail are vertically arranged in the shaft;

the transverse partition beam is transversely arranged between the first guide rail and the second guide rail;

a first counterweight moving along the first guide rail;

a first counterweight wheel mounted on the first counterweight top;

a second counterweight moving along the second guide rail;

and the second counterweight wheel is arranged at the top of the second counterweight, the included angle between the second counterweight wheel and the axis of the first counterweight wheel is 10-90 degrees, and the vertical extending path of the traction rope wound by the second counterweight wheel avoids the diaphragm beam.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the number of the first guide rails is two, the first counterweight is arranged between the two first guide rails, one or more first guide shoes are arranged on both sides of the first counterweight, and the first counterweight can move along the two first guide rails through the first guide shoes;

the number of the second guide rails is two, the second counterweight is arranged between the two second guide rails, one or more second guide shoes are arranged on two sides of the second counterweight, and the second counterweight can move along the two second guide rails through the second guide shoes.

Optionally, the first guide rail and the second guide rail are arranged in a split manner, a gap for placing the diaphragm beam is formed between the bottom end of the first guide rail and the top end of the second guide rail, and the first guide rail and the second guide rail are aligned in the vertical direction.

Optionally, the first guide rail and the second guide rail are integrally arranged, and the first guide rail or the second guide rail passes through or avoids the diaphragm beam.

Optionally, the first counterweight comprises a first frame and a first pair of weights disposed within the first frame;

the second counterweight comprises a second frame and a second counterweight block arranged in the second frame.

Optionally, the first frame is substantially rectangular, the second frame is substantially rectangular, and the first frame and the second frame are coplanar.

Optionally, the first counterweight wheel is mounted to the first counterweight through a first counterweight wheel carrier, and the second counterweight wheel is mounted to the second counterweight through a second counterweight wheel carrier;

the first counterweight wheel frame and the second counterweight wheel frame are both U-shaped in cross section, the first counterweight wheel is installed in the U-shaped opening area of the first counterweight wheel frame, and the second counterweight wheel is installed in the U-shaped opening area of the second counterweight wheel frame.

Optionally, the number of the first counterweight wheels is two, and the two first counterweight wheels are installed at two opposite ends of the first counterweight wheel carrier along the length direction of the first counterweight wheel carrier;

the number of the second counterweight wheels is two, and the two second counterweight wheels are arranged at two opposite ends of the second counterweight wheel frame along the length direction of the second counterweight wheel frame.

Optionally, the first counterweight wheel carrier is arranged in parallel with the transverse partition beam in the length direction and the extension direction of the transverse partition beam, and the first counterweight wheel carrier is vertically aligned with the transverse partition beam in the vertical direction;

along the length direction of the second counterweight wheel frame and the extension direction of the transverse partition beam, the included angle between the second counterweight wheel frame and the transverse partition beam is 10-90 degrees, and the center of the second counterweight wheel frame is vertically aligned with the transverse partition beam.

Optionally, the counterweight assembly further includes:

the first buffer is arranged on the diaphragm beam and matched with the first counterweight;

and the second buffer is arranged in the shaft and matched with the second counterweight.

The counterweight component at least has one of the following technical effects:

first guide rail and second guide rail are along in the well and arrange from top to bottom, and first counterweight moves in the first half of well, and the second counterweight moves in the latter half of well, and the motion orbit of first counterweight and the motion orbit of second counterweight can not produce the overlap in the operating space to make the well space also can obtain effective utilization, in order to improve the space utilization that the car clear area of elevator formed in well clear area.

Drawings

Fig. 1 is a schematic structural diagram of a counterweight assembly according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a counterweight assembly according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a counterweight assembly according to an embodiment of the present disclosure.

The reference numerals in the figures are illustrated as follows:

100. a counterweight assembly; 101. a first car; 102. a second car; 103. a first pull cord; 104. a second pull cord; 105. a first traction sheave; 106. a second traction sheave; 107. a first rope end fixing plate; 108. a second rope end fixing plate; 10. a first guide rail; 11. a first guide rail a; 12. a first guide rail b; 20. a second guide rail; 21. a second guide rail a; 22. a second guide rail b; 30. a diaphragm beam; 40. a first counterweight; 41. a first frame; 42. a first pair of weights; 43. a first guide shoe; 50. a second counterweight; 51. a second frame; 52. a second pair of weights; 53. a second guide shoe; 60. a first counterweight wheel; 61. a first counterweight wheel carrier; 70. a second counterweight wheel; 71. a second counterweight wheel carrier; 80. a first buffer; 81. a first base; 90. a second buffer; 91. a second base.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, as shown in fig. 1 to 3, the present application provides a counterweight assembly 100, including: a first guide rail 10 and a second guide rail 20 which are arranged vertically in the shaft; a diaphragm beam 30 disposed transversely between the first rail 10 and the second rail 20; a first counterweight 40 moving along the first guide rail 10; a first counterweight wheel 60 mounted on top of the first counterweight 40; a second counterweight 50 moving along the second guide rail 20; and a second counterweight wheel 70 arranged at the top of the second counterweight 50, wherein the included angle between the axes of the second counterweight wheel 70 and the first counterweight wheel 60 is 10-90 degrees, and the vertical extending path of the traction rope wound by the second counterweight wheel 70 is avoided from the diaphragm beam 30.

It can be understood that the first guide rail 10 and the second guide rail 20 are arranged up and down along the hoistway, the first counterweight 40 runs on the upper half part of the hoistway, the second counterweight 50 runs on the lower half part of the hoistway, and the motion track of the first counterweight 40 and the motion track of the second counterweight 50 do not overlap in the running space, so that the hoistway space can be effectively utilized, and the space utilization rate formed by the car clear area of the elevator occupying the hoistway clear area is improved.

Wherein, the angle between the second counterweight wheel 70 and the first counterweight wheel 60 is too small, which causes the vertical extending path of the traction rope passing around the second counterweight wheel 70 not to be able to avoid the beam 30 and the first counterweight 40, so that the first counterweight 40 can touch the traction rope when lifting in the vertical direction. When the included angle between the second counterweight wheel 70 and the first counterweight wheel 60 is too large, the length of the second counterweight wheel 70 protruding out of the counterweight assembly 100 in the horizontal direction is too long, so as to increase the space of the counterweight assembly 100 occupying the hoistway.

Preferably, the second counterweight wheel 70 is at an angle of 30 degrees to the axis of the first counterweight wheel 60. Ensuring that the vertically extending path of the traction rope passing around the second counterweight wheel 70 is clear of the diaphragm beam 30 and the first counterweight 40. Meanwhile, the length of the second counterweight wheel 70 protruding out of the counterweight assembly 100 in the horizontal direction can be reduced, so that the space occupied by the counterweight assembly 100 in the hoistway can be reduced.

Specifically, a first cage 101 and a second cage 102 are adjacently arranged, and a first traction sheave 105 and a second traction sheave 106 are installed at the top of a hoistway; one end of the first traction rope 103 is connected with the first car 101, and the other end thereof passes through the first traction sheave 105 upwards, then passes through the first counterweight wheel 60 downwards, and then is fixed at the top of the hoistway through the first rope head fixing plate 107 upwards, the first car 101 and the first counterweight 40 are driven to move up and down through the first traction sheave 105, and the travel of the first counterweight 40 is half of the travel of the first car 101. One end of the second traction rope 104 is connected with the second car 102, and the other end thereof passes through the second traction sheave 106 upwards, then passes through the second counterweight sheave 70 downwards, and then is fixed at the top of the hoistway through the second rope head fixing plate 108 upwards, the second car 102 and the second counterweight 50 are driven to move up and down through the second traction sheave 106, and the travel of the second counterweight 50 is half of the travel of the second car 102.

A first guide pulley and a second guide pulley are further mounted at the top of the hoistway, and the first guide pulley and the first traction sheave 105 are arranged side by side; the first traction rope 103 can be wound around the first guide sheave, and the distance and height between the first guide sheave and the first traction sheave 105 can be adjusted by the wrap angle between the first traction rope 103 and the traction sheave and the magnitude of the traction force, which will not be described herein. Similarly, the second traction rope 104 can be wound around the first guide sheave, and the distance and height between the second guide sheave and the second traction sheave 106 can be adjusted by the wrap angle between the second traction rope 104 and the traction sheave and the magnitude of the traction force, which are not described herein.

The length of the second traction rope 104 is longer than that of the first traction rope 103, so as to meet the running stroke requirements of the first counterweight 40 and the second counterweight 50.

In another embodiment, as shown in fig. 1 to 3, the number of the first guide rails 10 is two, the first counterweight 40 is disposed between the two first guide rails 10, one or more first guide shoes 43 are disposed on both sides of the first counterweight 40, and the first counterweight 40 can move along the two first guide rails 10 through the first guide shoes 43;

the number of the second guide rails 20 is two, the second counterweight 50 is disposed between the two second guide rails 20, one or more second guide shoes 53 are disposed on both sides of the second counterweight 50, and the second counterweight 50 can move along the two second guide rails 20 through the second guide shoes 53.

It can be understood that, the arrangement of the two first guide rails 10 can make the first counterweight 40 uniformly distributed on the two first guide rails 10 by the pulling force of the first traction rope 103, so as to avoid causing the first counterweight 40 and the first guide rail 10 to be clamped with each other, so that the first counterweight 40 slides more smoothly along the first guide rail 10, the first counterweight 40 limits the first counterweight 40 to reciprocate up and down along the vertical direction of the first guide rail 10 through the first guide shoe 43, and avoids the first counterweight 40 from generating displacement in the horizontal direction, so as to avoid that the displacement amplitude generated by the first counterweight 40 is sharply increased under the emergency stop condition of the first car 101, so as to easily cause the first traction rope 103 to be disengaged from the first counterweight wheel 60. Similarly, the arrangement of the two second guide rails 20 can make the second counterweight 50 uniformly distributed on the two second guide rails 20 under the pulling force of the second traction rope 104, thereby avoiding the second counterweight 50 and the second guide rails 20 from being clamped with each other, so that the second counterweight 50 can slide more smoothly along the second guide rails 20, the second counterweight 50 limits the second counterweight 50 to move up and down along the vertical direction of the second guide rails 20 through the second guide shoes 53, and avoids the second counterweight 50 from being displaced in the horizontal direction, so as to avoid the situation that the displacement amplitude generated by the second counterweight 50 is sharply increased under the emergency stop condition of the second car 102, and thus the second traction rope 104 is easily separated from the first counterweight wheel 60.

The first guide shoes 43 are fixed to the first counterweight 40 by welding or bolts, and when a plurality of first guide shoes 43 are provided, the plurality of first guide shoes 43 are fixed to the first counterweight 40 at uniform or non-uniform intervals in the vertical direction. The second guide shoes 53 are fixed on the second counterweight 50 by welding or bolts, and when a plurality of second guide shoes 53 are provided, the plurality of second guide shoes 53 are fixed on the second counterweight 50 at uniform or non-uniform intervals along the vertical direction;

the two first guide rails 10 are respectively a first guide rail a11 and a first guide rail b12, and the first guide rail a11 and the first guide rail b12 are vertically installed in the hoistway side by side. The two second guide rails 20 are respectively a second guide rail a21 and a second guide rail b22, and the second guide rail a21 and the second guide rail b22 are vertically installed in the hoistway side by side.

Preferably, the first guide rail 10 and the second guide rail 20 are separately arranged, a gap for placing the diaphragm beam 30 is formed between the bottom end of the first guide rail 10 and the top end of the second guide rail 20, and the first guide rail 10 and the second guide rail 20 are aligned in the vertical direction.

It is understood that the first rail 10 is vertically aligned with the second rail 20, which means that the first rail a11 is vertically extended in the same direction as the second rail a21, and the first rail b12 is vertically extended in the same direction as the second rail b 22. The bottom end of the first guide rail 10 can be fixedly connected with the top of the diaphragm beam 30 by welding or bolts; the top end of the second guide rail 20 is fixedly connected with the bottom of the diaphragm beam 30 by welding or bolts.

Alternatively, the first rail 10 and the second rail 20 are provided integrally, and the first rail 10 or the second rail 20 passes through or escapes from the wale 30.

It can be understood that the first guide rail 10 and the second guide rail 20 are integrally provided, and the first guide rail 10 and the second guide rail 20 can be simultaneously processed, so as to reduce the processing procedure between the first guide rail 10 and the second guide rail 20. While also providing a more rigid structure between the first rail 10 and the second rail 20. Meanwhile, the direct manufacturing costs of the first and second guide rails 10 and 20 and the related installation costs can be saved.

Specifically, when the first guide rail 10 or the second guide rail 20 passes through the diaphragm beam 30, a through groove for the first guide rail 10 or the second guide rail 20 to pass through is formed in the diaphragm beam 30, so that the first guide rail 10 or the second guide rail 20 and the diaphragm beam 30 are fixed to each other. When the first guide rail 10 or the second guide rail 20 avoids the diaphragm beam 30, the first guide rail 10 or the second guide rail 20 has an avoiding region for avoiding the diaphragm beam 30; or the wale 30 is directly installed at the side of the first rail 10 or the side of the second rail 20.

In another embodiment, as shown in fig. 1-3, the first counterweight 40 includes a first frame 41 and a first pair of weights 42 disposed within the first frame 41; the second counterweight 50 includes a second frame 51 and a second pair of weights 52 disposed within the second frame 51. The first frame 41 is substantially rectangular, the second frame 51 is substantially rectangular, and the first frame 41 and the second frame 51 are coplanar.

It is understood that the first frame 41 is substantially rectangular in shape when the thickness is omitted, the second frame 51 is coplanar with the second frame 51, and the first frame 41 and the second frame 51 can reduce the space of the hoistway occupied by the counterweight assembly 100 in the horizontal direction, so as to reduce the space of the hoistway occupied by the counterweight assembly 100.

Wherein the weight of the first pair of weights 42 can be adjusted according to different running speeds of the first cage 101, and the weight of the second pair of weights 52 can be adjusted according to different running speeds of the second cage 102, which will not be described herein.

In another embodiment, as shown in fig. 1 to 3, the first counterweight wheel 60 is mounted to the first counterweight 40 by a first counterweight wheel frame 61, and the second counterweight wheel 70 is mounted to the second counterweight 50 by a second counterweight wheel frame 71; the first counterweight wheel carrier 61 and the second counterweight wheel carrier 71 are both U-shaped in cross section, the first counterweight wheel 60 is mounted in the U-shaped opening area of the first counterweight wheel carrier 61, and the second counterweight wheel 70 is mounted in the U-shaped opening area of the second counterweight wheel carrier 71.

It can be understood that the first counterweight wheel 60 is provided with a first rotating shaft on two opposite sides, the first counterweight wheel frame 61 is provided with a first rotating groove matched with the first rotating shaft, the second counterweight wheel 70 is provided with a second rotating shaft on two opposite sides, and the first counterweight wheel frame 61 is provided with a second rotating groove matched with the second rotating shaft. The first counterweight wheel 60 is arranged in the U-shaped opening area of the first counterweight wheel frame 61, so that the effect of conveniently installing the first counterweight wheel 60 can be achieved, the first counterweight wheel 60 can be protected, and the first counterweight wheel 60 is prevented from being touched by external acting force. Similarly, the second counterweight wheel 70 is installed in the U-shaped opening area of the second counterweight wheel carrier 71, so that the effect of conveniently installing the second counterweight wheel 70 can be achieved, and meanwhile, the second counterweight wheel 70 can be protected, and the second counterweight wheel 70 is prevented from being touched by external acting force.

The number of the first counterweight wheels 60 is two, and the two first counterweight wheels 60 are installed at two opposite ends of the first counterweight wheel carrier 61 along the length direction of the first counterweight wheel carrier 61. The number of the second counterweight wheels 70 is two, and the two second counterweight wheels 70 are installed at opposite ends of the second counterweight wheel carrier 71 along the length direction of the second counterweight wheel carrier 71.

In another embodiment, as shown in fig. 1 to 3, the first counterweight wheel frame 61 is arranged in parallel with the diaphragm 30 in the length direction and the extension direction of the diaphragm 30, and the first counterweight wheel frame 61 is vertically aligned with the diaphragm 30; along the length direction of the second counterweight wheel frame 71 and the extending direction of the diaphragm beam 30, the included angle between the second counterweight wheel frame 71 and the diaphragm beam 30 is 10 degrees to 90 degrees, and the center of the second counterweight wheel frame 71 is vertically aligned with the diaphragm beam 30.

It can be understood that the first counterweight wheel frame 61 is parallel to the diaphragm beam 30, and the first counterweight wheel frame 61 is vertically aligned with the diaphragm beam 30, so that the first counterweight wheel frame 61 can be prevented from protruding out of the counterweight assembly 100 in the horizontal direction, and the space of the hoistway occupied by the counterweight assembly 100 can be reduced. The second counterweight wheel frame 71 and the diaphragm beam 30 have a certain included angle, so that the running track of the traction rope bypassing the second counterweight wheel 70 and the vertical movement of the first counterweight 40 can be ensured not to generate space interference.

The angle between the second counterweight wheel carrier 71 and the diaphragm beam 30 is too small, which causes the vertical extending path of the traction rope bypassing the second counterweight wheel 70 to be unable to avoid the diaphragm beam 30 and the first counterweight 40, so that the first counterweight 40 can touch the traction rope when lifting in the vertical direction. When the included angle between the second counterweight wheel frame 71 and the diaphragm beam 30 is too large, the length of the second counterweight wheel frame 71 protruding out of the counterweight assembly 100 in the horizontal direction is too long, so as to increase the space of the hoistway occupied by the counterweight assembly 100,

preferably, the angle between the second counterweight wheel frame 71 and the diaphragm beam 30 is 30 degrees along the length direction of the second counterweight wheel frame 71 and the extending direction of the diaphragm beam 30. Ensuring that the vertically extending path of the traction rope passing around the second counterweight wheel 70 is clear of the diaphragm beam 30 and the first counterweight 40. Meanwhile, the length of the second counterweight wheel frame 71 protruding out of the counterweight assembly 100 in the horizontal direction can be reduced, so that the space of the hoistway occupied by the counterweight assembly 100 is reduced.

In another embodiment, as shown in fig. 1 to 3, the counterweight assembly 100 further includes: a first buffer 80 mounted to the diaphragm beam 30 and cooperating with the first counterweight 40; a second buffer 90 is mounted within the hoistway and cooperates with the second counterweight 50.

It can be understood that the first buffer 80 is located below the first counterweight 40, and the first buffer 80 absorbs or consumes energy generated by the impact of the first counterweight 40, so that the first counterweight 40 is safely decelerated until stopped, and the first counterweight 40 is prevented from impacting or impacting the diaphragm beam 30; the second buffer 90 is located below the second counterweight 50, and the second buffer 90 absorbs or consumes energy generated by the impact of the second counterweight 50, so that the second counterweight 50 is safely decelerated until stopped, and the second counterweight 50 is prevented from impacting or impacting the bottom of the hoistway.

Specifically, the first pedestal 81 is welded or bolted to the bottom of the first frame 41, the first buffer 80 is fixed to the diaphragm 30 by welding or bolting, and the first counterweight 40 impacts or hits the first buffer 80 on the diaphragm 30 via the first pedestal 81 to reduce the impact on the first frame 41. The second frame 51 has a second base 91 welded or bolted to the bottom thereof, the second buffer 90 is fixed to the hoistway bottom by welding or bolting, and the second counterweight 50 impacts or collides with the second buffer 90 at the hoistway bottom by the second base 91, so as to reduce the impact on the second frame 51.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. Counterweight assembly, its characterized in that includes:

the first guide rail and the second guide rail are vertically arranged in the shaft;

the transverse partition beam is transversely arranged between the first guide rail and the second guide rail;

a first counterweight moving along the first guide rail;

a first counterweight wheel mounted on the first counterweight top;

a second counterweight moving along the second guide rail;

and the second counterweight wheel is arranged at the top of the second counterweight, the included angle between the second counterweight wheel and the axis of the first counterweight wheel is 10-90 degrees, and the vertical extending path of the traction rope wound by the second counterweight wheel avoids the diaphragm beam.

2. The counterweight assembly of claim 1 wherein said first guide rails are two in number, said first counterweight is disposed between said two first guide rails, said first counterweight is provided with one or more first guide shoes on each side, said first counterweight is movable along said two first guide rails by said first guide shoes;

the number of the second guide rails is two, the second counterweight is arranged between the two second guide rails, one or more second guide shoes are arranged on two sides of the second counterweight, and the second counterweight can move along the two second guide rails through the second guide shoes.

3. The counterweight assembly of claim 1 or 2, wherein said first guide rail and said second guide rail are arranged separately, a gap for placing said beam is formed between the bottom end of said first guide rail and the top end of said second guide rail, and said first guide rail and said second guide rail are aligned in the vertical direction.

4. The counterweight assembly of claim 1 or 2 wherein said first guide rail is integral with said second guide rail, said first guide rail or said second guide rail passing through or avoiding said diaphragm beam.

5. The counterweight assembly of claim 1 wherein said first counterweight comprises a first frame and a first pair of weights disposed within the first frame;

the second counterweight comprises a second frame and a second counterweight block arranged in the second frame.

6. The counterweight assembly of claim 5 wherein said first frame is generally rectangular and said second frame is generally rectangular, said first frame and said second frame being coplanar.

7. The counterweight assembly of claim 1 wherein said first counterweight wheel is mounted to said first counterweight by a first counterweight wheel carrier and said second counterweight wheel is mounted to said second counterweight by a second counterweight wheel carrier;

the first counterweight wheel frame and the second counterweight wheel frame are both U-shaped in cross section, the first counterweight wheel is installed in the U-shaped opening area of the first counterweight wheel frame, and the second counterweight wheel is installed in the U-shaped opening area of the second counterweight wheel frame.

8. The counterweight assembly of claim 7 wherein said first counterweight wheel is two in number, said two first counterweight wheels being mounted at opposite ends of said first counterweight wheel carriage along a length of said first counterweight wheel carriage;

the number of the second counterweight wheels is two, and the two second counterweight wheels are arranged at two opposite ends of the second counterweight wheel frame along the length direction of the second counterweight wheel frame.

9. The counterweight assembly of claim 8 wherein said first counterweight frame is longitudinally oriented and said cross beam extends, said first counterweight frame is parallel to said cross beam, and said first counterweight frame is vertically aligned with said cross beam;

along the length direction of the second counterweight wheel frame and the extension direction of the transverse partition beam, the included angle between the second counterweight wheel frame and the transverse partition beam is 10-90 degrees, and the center of the second counterweight wheel frame is vertically aligned with the transverse partition beam.

10. The counterweight assembly of claim 1 further comprising:

the first buffer is arranged on the diaphragm beam and matched with the first counterweight;

and the second buffer is arranged in the shaft and matched with the second counterweight.

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