CN212245836U - A 12 to 1 traction structure for heavy-duty freight elevators - Google Patents

Abstract

A12: 1 traction structure for a heavy-duty goods elevator relates to the technical field of heavy-duty goods elevators, and comprises a car frame, a bearing assembly and a counterweight assembly, wherein the bearing assembly is arranged above the car frame, the counterweight assembly is arranged on the left side or the right side of the car frame, a car top reverse rope wheel set is arranged at the top of the car frame, a counterweight reverse rope wheel set is arranged at the top of the counterweight assembly, the bearing assembly comprises a traction device, a steel wire rope, an upper layer bearing structure and a lower layer bearing structure, and the lower layer bearing structure is provided with a car top rope winding wheel set and a counterweight rope winding wheel set; upper bearing structure is equipped with first rope hitch plate, and lower floor's bearing structure is equipped with second rope hitch plate, and wire rope's first end is walked around behind the anti-rope wheelset of sedan-chair top and the rope winding wheelset of sedan-chair top and is connected with first rope hitch plate, and wire rope's second end is walked around to counter-rope wheelset and is connected with second rope hitch plate behind the counter-rope wheelset of counter-weight. The total weight of the heavy-duty cargo elevator is dispersed in the upper layer structure and the lower layer structure, the structural stability is improved, and the heavy-duty cargo elevator has good balance performance.

Description

A 12 to 1 traction structure for heavy-duty freight elevators

technical field

The utility model relates to the technical field of heavy-duty freight elevators, in particular to a 12-to-1 traction structure for heavy-duty freight elevators.

Background technique

As a tool for vertical manned delivery, with the acceleration of urbanization and the development of elevator technology, a large number of large and high-rise factories and other buildings have emerged and equipped with elevators. The requirements for the load capacity of the elevator are also increasing, and the demand for the supporting capacity of the elevator is also increasing. More and more large-scale equipment, logistics or goods need to be transported in the vertical direction. In the current large-tonnage freight elevator, the drag The traction system mainly adopts the 2:1 or 4:1 traction ratio winding method, which has higher requirements on the bearing capacity of the host, safety gear, and guide rails, and also brings unnecessary mechanical loss and power consumption. Therefore, elevators with traditional traction ratio structures are only suitable for elevators with not too large loads. When large-tonnage elevators are required, the existing elevators with traction ratio structures such as 2:1 or 4:1 are also used. , wire rope, etc. can not meet the requirements of use, there is a greater safety risk.

Utility model content

In view of the above defects, the purpose of the present invention is to provide a traction structure with good balance performance, enhancing the load capacity of the heavy-duty freight elevator, and greatly improving the service life of the bearing parts.

For this purpose, the utility model adopts the following technical scheme: a 12-to-1 traction structure for a heavy-duty freight elevator, comprising a car frame, a load-bearing assembly and a counterweight assembly, and the load-bearing assembly is arranged in the car Above the frame, the counterweight assembly is arranged on the left or right side of the car frame, the top of the car frame is provided with a car top reverse rope sheave group, and the top of the counterweight assembly is provided with a counterweight Anti-rope wheel set,

The load-bearing assembly includes a traction device, a wire rope, an upper-layer load-bearing structure and a lower-layer load-bearing structure, the upper-layer load-bearing structure is arranged on the upper end face of the lower-layer load-bearing structure, the traction device is installed on the upper-layer load-bearing structure, and the The lower load-bearing structure is provided with a car top sheave set and a counterweight sheave set;

The upper load-bearing structure is provided with a first rope head plate, the lower load-bearing structure is provided with a second rope head plate, and the first end of the wire rope goes around the car top anti-rope wheel set and the car top winding. The sheave group is then connected to the first rope head plate, and the second end of the wire rope is connected to the second rope head plate after bypassing the counterweight reversing rope sheave group and the counterweight winding rope sheave group connect.

Further, the car frame includes at least 3 groups of car frames that are parallel to each other, and each of the car frames is arranged at equal intervals in turn, the car frame includes a front end car frame and a rear end car frame, and the front end car frame is arranged on the the front end of the car frame, the rear end car frame is arranged at the rear end of the car frame;

The car top reverse rope wheel group includes a first car top reverse rope wheel group and a second car top reverse rope wheel group, the first car top reverse rope wheel group is arranged on the top of the front end car frame, and the first car top reverse rope wheel group is provided. The second car top reverse rope sheave set is arranged on the top of the rear end car frame.

Further, the lower load-bearing structure includes a first load-bearing beam, a second load-bearing beam and a third load-bearing beam that are parallel to each other, the first load-bearing beam is arranged just above the front end car frame, and the third load-bearing beam is arranged at directly above the rear end car frame;

The car top rope winding wheel set includes a first car top rope winding wheel set and a second car top rope winding wheel set, the first car top rope winding wheel set is arranged on the first load-bearing beam, and the second car top rope winding wheel set is arranged on the first load-bearing beam. The car top sheave set is arranged on the third load-bearing beam.

Further, the upper-layer load-bearing structure includes a fourth load-bearing beam and a fifth load-bearing beam that are parallel to each other, and the fourth load-bearing beam is perpendicular to the first load-bearing beam;

The traction device is arranged at one end of the fourth load-bearing beam, and the first rope head plate is installed at the other end of the fourth load-bearing beam;

A guide sheave group is arranged between the first car top sheave group and the second car top sheave group, and the guide sheave group is arranged on the fifth load-bearing beam.

Further, the first car top sheave group includes a first car top sheave and a second car top sheave, and the first car top reverse sheave group includes a third car top sheave and a fourth car top rope wheel, the fifth car top sheave and the sixth car top sheave, the second car top sheave group includes the seventh car top sheave and the eighth car top sheave, the second car top reverse sheave The group includes the ninth car top sheave, the tenth car top sheave, the eleventh car top sheave and the twelfth car top sheave, and the guide sheave group includes a first guide sheave and a second guide sheave ;

The first end of the wire rope goes around the third lift sheave, the first lift sheave, the fourth lift sheave, the fifth lift sheave, and the first lift sheave. The second lift sheave, the sixth lift sheave, the first guide sheave, the second guide sheave, the ninth lift sheave, the seventh lift sheave, the The tenth car top sheave, the eleventh car top sheave, the eighth car top sheave and the twelfth car top sheave.

Further, a counterweight sheave beam group is arranged between the first load-bearing beam and the second load-bearing beam, and the counterweight sheave beam group includes a first counterweight sheave beam and a second counterweight sheave beam , the counterweight winding sheave group includes a first counterweight sheave group and a second counterweight sheave group, the first counterweight sheave group is arranged on the first counterweight sheave beam, the second counterweight sheave set is arranged on the second counterweight sheave beam;

There is a third guide sheave between the first counterweight sheave group and the second counterweight sheave group, the third guide sheave is arranged on the second load-bearing beam, the second A rope head plate is arranged on the first load-bearing beam.

Further, the counterweight assembly 3 includes a first counterweight frame and a second counterweight frame, the first counterweight frame is arranged just below the first counterweight sheave beam, and the second counterweight frame Set directly below the second counterweight rope pulley beam, the counterweight rope pulley group includes a first counterweight rope pulley group and a second counterweight rope pulley group, the first counterweight rope pulley group The wheel group is arranged on the top of the first counterweight frame, and the second counterweight anti-rope wheel group is arranged on the top of the second counterweight frame;

A fourth guide sheave is arranged between the traction device and the first counterweight reverse sheave group, and the fourth guide sheave is arranged on the fourth load-bearing beam.

Further, the first counterweight sheave set includes a first counterweight sheave, a second counterweight sheave and a third counterweight sheave, and the first counterweight reversing sheave group includes a fourth counterweight rope pulley, the fifth counterweight sheave, the sixth counterweight sheave and the seventh counterweight sheave, the second counterweight sheave set includes the eighth counterweight sheave and the ninth counterweight sheave, the The second counterweight sheave set includes the tenth counterweight sheave and the eleventh counterweight sheave;

The second end of the wire rope goes around the fourth guide sheave, the fourth counterweight sheave, the first counterweight sheave, the fifth counterweight sheave, and the second sheave. Counterweight sheave, the sixth counterweight sheave, the third counterweight sheave, the seventh counterweight sheave, the third guide sheave, the tenth counterweight sheave, the The eighth counterweight sheave, the ninth counterweight sheave, and the eleventh counterweight sheave.

Further, car guide rails are respectively provided on both sides of the car frames of each group, and safety gears matched with the car guide rails are respectively provided on both sides of the bottom of each group of the car frames.

Further, the top and bottom of each of the car frames are respectively provided with guide shoes matched with the car guide rails.

In an embodiment of the present invention, the load-bearing assembly adopts an upper and lower layered structure, the car top sheave set is arranged on the lower layer of the load-bearing structure, and the traction device and the first rope head plate are arranged at In the upper-layer load-bearing structure, the first end of the steel wire rope bypasses the car top reverse rope sheave group and the car top rope winding sheave group and is connected to the first rope head plate, so that the overall load of the heavy-duty freight elevator can be increased. The weight is distributed in the upper load-bearing structure and the lower load-bearing structure, which improves the structural stability, has good balance performance, enhances the load capacity of the heavy-duty freight elevator, greatly improves the service life of the load-bearing parts, and can be widely used in large Among the tonnage elevators, considerable economic value is generated.

Description of drawings

Fig. 1 is the structural representation of an embodiment of the present utility model;

Fig. 2 is the traction structure schematic diagram of an embodiment of the present utility model;

Figure 3 is a schematic view of the rope winding of the first end of the wire rope according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the roping of the second end of the wire rope according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the bottom structure of an embodiment of the present invention.

Among them: car frame 1, car top sheave set 11, first car top sheave set 111, third car top sheave A3, fourth car top sheave A4, fifth car top sheave A5, The sixth car top sheave A6, the second car top sheave set 112, the ninth car top sheave A9, the tenth car top sheave A10, the eleventh car top sheave A11, the twelfth car top sheave A12 , car frame 12, front end car frame 121, rear end car frame 122, guide shoe 123, car track 124, safety gear 125, load-bearing assembly 2, traction device 21, wire rope 22, upper load-bearing structure 24, fourth load-bearing beam 241, the fifth load-bearing beam 242, the lower load-bearing structure 25, the first load-bearing beam 251, the second load-bearing beam 252, the third load-bearing beam 253, the car top rope winding wheel set 26, the first car top rope winding wheel set 261, the first One car top sheave A1, second car top sheave A2, second car top sheave set 262, seventh car top sheave A7, No. 8 car top sheave A8, counterweight winding sheave set 27, No. A pair of rewinding sheave set 271, first counterweight sheave B1, second counterweight sheave B2, third counterweight sheave B3, second counterweight sheave 272, eighth counterweight sheave B8 , the ninth counterweight sheave B9, the first rope head plate 28, the second rope head plate 29, the guide sheave group 30, the first guide sheave 301, the second guide sheave 302, the third guide sheave 303, Fourth guide sheave 304, counterweight assembly 3, counterweight sheave set 31, first counterweight sheave 311, fourth counterweight sheave B4, fifth counterweight sheave B5, sixth counterweight Sheave B6, seventh counterweight sheave B7, second counterweight sheave set 312, tenth counterweight sheave B10, eleventh counterweight sheave B11, counterweight sheave beam group 32, first pair The heavy rope sheave beam 321 , the second counterweight sheave beam 322 , the first counterweight frame 33 , and the second counterweight frame 34 .

Detailed ways

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

1-5 , a 12-to-1 traction structure for a heavy-duty freight elevator includes a car frame 1 , a load-bearing assembly 2 and a counterweight assembly 3 , the load-bearing assembly 2 is provided on the car frame 1 Above, the counterweight assembly 3 is arranged on the left or right side of the car frame 1 . As shown in FIG. 1 , in this embodiment, the counterweight assembly 3 is arranged on the right side of the car frame 1 . side. The top of the car frame 1 is provided with a car top anti-sheave group 11, the top of the counterweight assembly 3 is provided with a counterweight anti-sheave group 31, and the load-bearing assembly 2 includes a traction device 21, a wire rope 22, The upper-layer load-bearing structure 24 and the lower-layer load-bearing structure 25, the upper-layer load-bearing structure 24 is arranged on the upper end surface of the lower-layer load-bearing structure 25, the traction device 21 is installed on the upper-layer load-bearing structure 24, and the lower-layer load-bearing structure 25 is provided. There are a car top rope reel set 26 and a counterweight rope reel set 27; the upper load-bearing structure 24 is provided with a first rope head plate 28, the lower load-bearing structure 25 is provided with a second rope head plate 29, the steel wire rope The first end of the wire rope 22 is connected to the first rope head plate 28 after bypassing the car top reversing sheave set 11 and the car top winding sheave set 26, and the second end of the wire rope 22 is bypassing The counterweight reversing sheave group 31 and the counterweight winding sheave group 27 are connected to the second rope head plate 29 afterward.

In an embodiment of the present invention, the load-bearing assembly 2 adopts an upper and lower layered structure, the car top rope sheave set is arranged on the lower layer of the load-bearing structure 25, and the traction device 21 and the first rope head are connected to each other. The plate 28 is arranged on the upper load-bearing structure 24, and the first end of the steel wire rope 22 bypasses the car top anti-sheave set 11 and the car top winding sheave set 26 and then connects with the first rope head plate. 28 connection, so that the total weight of the heavy-duty freight elevator is dispersed in the upper load-bearing structure 24 and the lower load-bearing structure 25, which improves the structural stability, has good balance performance, enhances the load capacity of the heavy-duty freight elevator, and greatly improves the The service life of the load-bearing components can be widely used in large-tonnage elevators, resulting in considerable economic value.

Further, the car frame 1 includes at least three groups of car frames 12 parallel to each other, and each of the car frames 12 is arranged at equal intervals in turn. As shown in FIG. 2 , in this embodiment, the car frame 1 consists of four A group of car frames 12 parallel to each other, by arranging the car frames 12 at equal intervals in turn, is beneficial to effectively disperse the weight of the car on each of the car frames 12, improve the structural stability, and enhance the load of the heavy-duty freight elevator capacity, greatly improving the service life of the bearing parts. The car frame 1 includes a front end car frame 121 and a rear end car frame 122 , the front end car frame 121 is arranged at the front end of the car frame 1 , and the rear end car frame 122 is arranged at the car frame 1 . The rear end of the car top reverse rope wheel set 11 includes a first car top reverse rope wheel set 111 and a second car top reverse rope wheel set 112, and the first car top reverse rope wheel set 111 is arranged at the front end On the top of the car frame 121 , the second car top anti-sheave set 112 is arranged on the top of the rear end car frame 122 . Wherein, the first car top reverse rope sheave group 111 is arranged on the front end car frame 121, and the second car top reverse rope sheave group 112 is arranged on the rear end car frame 122. The sheave groups 11 are arranged in groups at the front and rear ends of the car frame 1 respectively, and the structure is reasonable, so that the heavy-duty freight elevator has good balance performance.

Further, the lower load-bearing structure 25 includes a first load-bearing beam 251 , a second load-bearing beam 252 and a third load-bearing beam 253 parallel to each other. Specifically, as shown in FIG. 2 , the first load-bearing beam 251 and the second load-bearing beam 252 and the third load-bearing beam 253 are both composed of two I-beams or channel steels. The first load-bearing beam 251 is arranged directly above the front-end car frame 121, and the third load-bearing beam 253 is arranged directly above the rear-end car frame 122; A car top sheave set 261 and a second car top sheave set 262, the first car top sheave set 261 is set on the first load-bearing beam 251, the second car top sheave set 262 262 is provided on the third load-bearing beam 253 . As shown in FIG. 2 , the first load-bearing beam 251 is arranged just above the front-end car frame 121 , the third load-bearing beam 253 is arranged directly above the rear-end car frame 122 , and the car top wraps around the The sheave sets 26 are also arranged in groups on the first load-bearing beam 251 and the third load-bearing beam 253, respectively, so that the first car top sheave set 261 and the second car top sheave set 262 Correspondingly arranged on the first car top reverse rope sheave group 111 and the second car top reverse rope sheave group 112, it is beneficial for the load of the car frame 1 to be symmetrically transmitted to both sides of the lower load-bearing structure, improving the The stability between the car frame 1 and the lower load-bearing structure 25 has good balance performance, improves the service life of the load-bearing components, and at the same time facilitates the winding of the steel wire rope 22 and avoids staggered winding.

Further, the upper load-bearing structure 24 includes a fourth load-bearing beam 241 and a fifth load-bearing beam 242 that are parallel to each other. Specifically, as shown in FIG. 2 , the first load-bearing beam 241 and the second load-bearing beam 242 are both composed of two It consists of I-beam bars or two channel steels. The fourth load-bearing beam 241 is perpendicular to the first load-bearing beam 251; the traction device 21 is arranged at one end of the fourth load-bearing beam 241, and the first rope head plate 28 is installed on the fourth load-bearing beam The other end of the beam 241; a guide sheave group 30 is arranged between the first car top sheave group 261 and the second car top sheave group 262, and the guide sheave group 30 is arranged in the The fifth load bearing beam 242 . As shown in FIG. 2 , the upper load-bearing structure 24 includes the fourth load-bearing beam 241 and the fifth load-bearing beam 242 that are parallel to each other, and the fourth load-bearing beam 241 and the first load-bearing beam 251 are perpendicular to each other , so that the upper load-bearing structure 24 is stably installed on the lower load-bearing structure 25 to form a well-shaped structure, which is conducive to effectively dispersing the load in the upper load-bearing structure 24 and the lower load-bearing structure 25, and improves the structural stability. Good balance performance, enhance the load capacity of heavy-duty freight elevators, and greatly improve the service life of load-bearing components. Wherein, the guide sheave set 30 is used to change the winding direction of the first end of the wire rope 22, so that the first end of the wire rope 22 can be wound from the front side to the rear side, and part of the load force Scattered on the fifth load-bearing beam 242 . The traction device 21 is arranged at one end of the fourth load-bearing beam 241, and the first rope head plate 28 is installed at the other end of the fourth load-bearing beam 241, so that the first end of the wire rope 22 is Being connected to the fourth load-bearing beam 241 is beneficial to disperse part of the load force on the fourth load-bearing beam 241 , realize the symmetrical force of the upper load-bearing structure 24 , improve the structural stability, and have good balance performance.

Further, the first car-top sheave set 261 includes a first car-top sheave A1 and a second car-top sheave A2, and the first car-top reverse sheave set 111 includes a third car-top sheave A3, The fourth car top sheave A4, the fifth car top sheave A5 and the sixth car top sheave A6, the second car top sheave set 262 includes the seventh car top sheave A7 and the eighth car top sheave A8, the second car top sheave set 112 includes the ninth car top sheave A9, the tenth car top sheave A10, the eleventh car top sheave A11 and the twelfth car top sheave A12. The The guide sheave set 30 includes a first guide sheave 301 and a second guide sheave 302; the first end of the wire rope 22 goes around the third lift sheave A3 and the first lift sheave in turn A1, the fourth lift sheave A4, the fifth lift sheave A5, the second lift sheave A2, the sixth lift sheave A6, the first guide sheave 301 , the second guide sheave 302, the ninth car top sheave A9, the seventh car top sheave A7, the tenth car top sheave A10, and the eleventh car top sheave A11 , the eighth car top sheave A8 and the twelfth car top sheave A12. As shown in FIG. 3 , the first end of the wire rope 22 goes around the third lift sheave A3, the first lift sheave A1, the fourth lift sheave A4, the The fifth car top sheave A5, the second car top sheave A2, the sixth car top sheave A6, the first guide sheave 301, the second guide sheave 302, the ninth sheave Car top sheave A9, the seventh car top sheave A7, the tenth car top sheave A10, the eleventh car top sheave A11, the eighth car top sheave A8 and the Twelve car top sheaves A12, using multiple sheaves to realize the load-bearing assembly 2 to carry the car frame 1, reduce the load of the traction device 21, so that the traction device 21 with low power can drag a large load The requirements of the elevator are not only energy saving and environmental protection, but also reduce the load requirement of the wire rope 22 .

Further, a counterweight sheave beam group 32 is provided between the first load-bearing beam 251 and the second load-bearing beam 252 , and the counterweight sheave beam group 32 includes a first counterweight sheave beam 321 and a second counterweight sheave beam 32 The counterweight sheave beam 322, specifically, as shown in FIG. 2, the counterweight sheave beam group 32 is composed of three I-beams or channel steels side by side, and the inner steel bar and the middle steel bar form the first steel bar. The counterweight sheave beam 321 , the outer steel bars and the middle steel bars form the second counterweight sheave beam 322 . The counterweight winding sheave set 27 includes a first counterweight sheave set 271 and a second counterweight sheave set 272, and the first counterweight winding sheave set 271 is arranged on the first counterweight rope. The wheel beam 321, the second counterweight winding sheave group 272 is arranged on the second counterweight sheave beam 322; the first counterweight winding sheave group 271 and the second counterweight winding sheave group There is a third guide sheave 303 between 272 , the third guide sheave 303 is arranged on the second bearing beam 252 , and the second rope head plate 29 is arranged on the first bearing beam 251 . As shown in FIG. 2 , the lower load-bearing structure 25 is provided with the counterweight sheave beam group 32 between the first load-bearing beam 251 and the second load-bearing beam 252 , and the counterweight winding sheave group 27 is installed on the counterweight sheave beam group 32 in a grouping form, the first counterweight sheave sheave group 271 is set on the first counterweight sheave beam 321, and the second counterweight sheave sheave The group 272 is arranged on the second counterweight sheave beam 322, so that the weight of the counterweight assembly 3 is dispersed in the counterweight sheave beam group 32, which improves the structural stability and can enhance the weight of the counterweight assembly 3. Thus, the load capacity of the heavy-duty freight elevator can be enhanced.

Further, the counterweight assembly 3 includes a first counterweight frame 33 and a second counterweight frame 34, the first counterweight frame 33 is arranged directly below the first counterweight rope pulley beam 321, the first counterweight frame 33 Two counterweight frames 34 are arranged directly below the second counterweight sheave beam 322 , and the counterweight sheave group 31 includes a first counterweight sheave group 311 and a second counterweight sheave sheave 312 , the first counterweight anti-rope wheel group 311 is arranged on the top of the first counterweight frame 33, and the second counterweight anti-rope wheel group 312 is arranged on the top of the second counterweight frame 34; A fourth guide sheave 304 is arranged between the traction device 21 and the first counterweight sheave set 311 , and the fourth guide sheave 304 is arranged on the fourth load-bearing beam 241 . As shown in FIG. 2 , the first counterweight frame 33 and the second counterweight frame 34 are used for placing counterweight objects, and the counterweight assembly 3 adopts a split structure design. 33 is arranged directly below the first counterweight sheave beam 321, the second counterweight frame 34 is arranged directly below the second counterweight sheave beam 322, and the counterweight reverse sheave group 31 It is also installed in the first counterweight frame 33 and the second counterweight frame 34 in groups, which is beneficial between the first counterweight rewinding sheave set 311 and the first counterweight reeling sheave set 271 Rope connection, the second counterweight rope reel set 312 and the second counterweight rope reel set 272 are roped to connect, so that the weight of the counterweight assembly 3 is reasonably distributed on the lower load-bearing Structure 25, improving structural stability. The fourth guide sheave 304 is used to change the winding direction of the wire rope 22 , so that the second end of the wire rope 22 is connected to the first counterweight reversing sheave set 311 .

Further, the first counterweight sheave set 271 includes a first counterweight sheave B1, a second counterweight sheave B2 and a third counterweight sheave B3, and the first counterweight sheave set 311 includes The fourth counterweight sheave B4, the fifth counterweight sheave B5, the sixth counterweight sheave B6 and the seventh counterweight sheave B7, the second counterweight sheave set 272 includes the eighth counterweight sheave B8 and the ninth counterweight sheave B9, the second counterweight sheave set 312 includes the tenth counterweight sheave B10 and the eleventh counterweight sheave B11; the second end of the wire rope 22 is wound in sequence Through the fourth guide sheave 304, the fourth counterweight sheave B4, the first counterweight sheave B1, the fifth counterweight sheave B5, the second counterweight sheave B2, the sixth counterweight sheave B6, The third counterweight sheave B3, the seventh counterweight sheave B7, the third guide sheave 303, the tenth counterweight sheave B10, the eighth counterweight sheave B8, the ninth counterweight sheave B9 and the eleventh Counterweight sheave B11. As shown in FIG. 4 , the second end of the wire rope 22 bypasses the fourth guide sheave 304, the fourth counterweight sheave B4, the first counterweight sheave B1, and the fifth counterweight sheave B5 in sequence , the second counterweight sheave B2, the sixth counterweight sheave B6, the third counterweight sheave B3, the seventh counterweight sheave B7, the third guide sheave 303, the tenth counterweight sheave B10, the eighth counterweight sheave For the counterweight sheave B8, the ninth counterweight sheave B9 and the eleventh counterweight sheave B11, multiple sheaves are used to realize the load-bearing assembly 2 to carry the counterweight assembly 3 and reduce the load of the traction device 21, Therefore, the low-power traction device 21 can drag the counterweight assembly 3 , which is energy-saving and environmentally friendly, and reduces the load requirement of the wire rope 22 .

Further, car guide rails 124 are respectively provided on both sides of each group of the car frames 12 , and safety gears 125 that cooperate with the car guide rails 124 are respectively provided on both sides of the bottom of each group of the car frames 12 . Specifically, as shown in FIG. 5 , in this embodiment, the safety gears 125 are respectively provided on both sides of the bottom of each group of the car frames 12 , and the safety gears 125 cooperate with the car guide rails 124 When used, the eight safety gears 125 can be linked together to protect the safe operation of the elevator, ensure the balanced force point of the car, run smoothly, have good balance performance, and be resistant to wear and tear.

Further, the top and bottom of each group of the car frames 12 are respectively provided with guide shoes 123 matched with the car guide rails 124 . Specifically, referring to FIGS. 1 and 5 , the guide shoes 123 are respectively provided on the top and bottom of the car frame 12 , and the guide shoes 123 are used in conjunction with the car guide rails 124 , which is beneficial to the lift safety of the elevator and avoids When the elevator is running, there will be jams and jitters, which improves the smoothness of the elevator operation.

Further, the traction device may be an electric motor, and in this embodiment, the traction device adopts a permanent magnet synchronous traction machine.

The technical principle of the present invention has been described above with reference to the specific embodiments. These descriptions are only for explaining the principle of the present invention, and should not be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these methods will all fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a12 than 1 structure of towing for heavy load goods lift, includes car frame, bearing component and to heavy subassembly, the bearing component sets up the top of car frame, to heavy subassembly setting left side or right side of car frame, the top of car frame is equipped with the anti-rope wheelset in car top, be equipped with to heavy subassembly top and to anti-rope wheelset, its characterized in that:

the load-bearing assembly comprises a traction device, a steel wire rope, an upper layer load-bearing structure and a lower layer load-bearing structure, wherein the upper layer load-bearing structure is arranged on the upper end surface of the lower layer load-bearing structure, the traction device is installed on the upper layer load-bearing structure, and the lower layer load-bearing structure is provided with a car roof rope winding wheel set and a counterweight rope winding wheel set;

the upper layer of bearing structure is provided with a first rope hitch plate, the lower layer of bearing structure is provided with a second rope hitch plate, the first end of the steel wire rope is connected with the first rope hitch plate after bypassing the car top reverse rope pulley group and the car top rope winding pulley group, and the second end of the steel wire rope is connected with the second rope hitch plate after bypassing the counterweight reverse rope pulley group and the counterweight rope winding pulley group.

2. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 1, wherein: the car frame comprises at least 3 groups of car frames which are parallel to each other, each car frame is sequentially arranged at equal intervals and comprises a front-end car frame and a rear-end car frame, the front-end car frame is arranged at the front end of the car frame, and the rear-end car frame is arranged at the rear end of the car frame;

the car top reverse rope pulley group comprises a first car top reverse rope pulley group and a second car top reverse rope pulley group, the first car top reverse rope pulley group is arranged at the top of the front end car frame, and the second car top reverse rope pulley group is arranged at the top of the rear end car frame.

3. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 2, wherein: the lower layer bearing structure comprises a first bearing beam, a second bearing beam and a third bearing beam which are parallel to each other, the first bearing beam is arranged right above the front end car frame, and the third bearing beam is arranged right above the rear end car frame;

the car top rope winding wheel set comprises a first car top rope winding wheel set and a second car top rope winding wheel set, the first car top rope winding wheel set is arranged on the first bearing beam, and the second car top rope winding wheel set is arranged on the third bearing beam.

4. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 3, wherein: the upper layer bearing structure comprises a fourth bearing beam and a fifth bearing beam which are parallel to each other, and the fourth bearing beam is perpendicular to the first bearing beam;

the traction device is arranged at one end of the fourth bearing beam, and the first rope hitch plate is arranged at the other end of the fourth bearing beam;

and a guide rope wheel set is arranged between the first car top rope winding wheel set and the second car top rope winding wheel set, and the guide rope wheel set is arranged on the fifth bearing beam.

5. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 4, wherein: the first car top rope winding wheel set comprises a first car top rope wheel and a second car top rope wheel, the first car top rope winding wheel set comprises a third car top rope wheel, a fourth car top rope wheel, a fifth car top rope wheel and a sixth car top rope wheel, the second car top rope winding wheel set comprises a seventh car top rope wheel and an eighth car top rope wheel, the second car top rope winding wheel set comprises a ninth car top rope wheel, a tenth car top rope wheel, an eleventh car top rope wheel and a twelfth car top rope wheel, and the guide rope wheel set comprises a first guide rope wheel and a second guide rope wheel;

the first end of the steel wire rope sequentially bypasses the third car top rope pulley, the first car top rope pulley, the fourth car top rope pulley, the fifth car top rope pulley, the second car top rope pulley, the sixth car top rope pulley, the first guide rope pulley, the second guide rope pulley, the ninth car top rope pulley, the seventh car top rope pulley, the tenth car top rope pulley, the eleventh car top rope pulley, the eighth car top rope pulley and the twelfth car top rope pulley.

6. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 4, wherein: a counterweight rope sheave beam group is arranged between the first bearing beam and the second bearing beam, the counterweight rope sheave beam group comprises a first counterweight rope sheave beam and a second counterweight rope sheave beam, the counterweight rope winding wheel group comprises a first counterweight rope winding wheel group and a second counterweight rope winding wheel group, the first counterweight rope winding wheel group is arranged on the first counterweight rope sheave beam, and the second counterweight rope winding wheel group is arranged on the second counterweight rope sheave beam;

and a third guide rope wheel is arranged between the first counterweight rope winding wheel group and the second counterweight rope winding wheel group, the third guide rope wheel is arranged on the second bearing beam, and the second rope hitch plate is arranged on the first bearing beam.

7. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 6, wherein: the counterweight assembly comprises a first counterweight frame and a second counterweight frame, the first counterweight frame is arranged under the first counterweight rope wheel beam, the second counterweight frame is arranged under the second counterweight rope wheel beam, the counterweight reverse rope wheel set comprises a first counterweight reverse rope wheel set and a second counterweight reverse rope wheel set, the first counterweight reverse rope wheel set is arranged at the top of the first counterweight frame, and the second counterweight reverse rope wheel set is arranged at the top of the second counterweight frame;

and a fourth guide rope wheel is arranged between the traction device and the first counterweight diversion rope wheel group, and the fourth guide rope wheel is arranged on the fourth bearing beam.

8. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 7, wherein: the first counterweight rope pulley group comprises a first counterweight rope pulley, a second counterweight rope pulley and a third counterweight rope pulley, the first counterweight rope pulley group comprises a fourth counterweight rope pulley, a fifth counterweight rope pulley, a sixth counterweight rope pulley and a seventh counterweight rope pulley, the second counterweight rope pulley group comprises an eighth counterweight rope pulley and a ninth counterweight rope pulley, and the second counterweight rope pulley group comprises a tenth counterweight rope pulley and an eleventh counterweight rope pulley;

the second end of the wire rope sequentially bypasses the fourth guide sheave, the fourth counterweight sheave, the first counterweight sheave, the fifth counterweight sheave, the second counterweight sheave, the sixth counterweight sheave, the third counterweight sheave, the seventh counterweight sheave, the third guide sheave, the tenth counterweight sheave, the eighth counterweight sheave, the ninth counterweight sheave, and the eleventh counterweight sheave.

9. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 2, wherein: and the two sides of each group of the car frame are respectively provided with a car guide rail, and the two sides of the bottom of each group of the car frame are respectively provided with a safety gear matched with the car guide rails.

10. The 12: 1 hoisting structure for a heavy-duty freight elevator according to claim 9, wherein: and guide shoes matched with the car guide rails are respectively arranged at the top and the bottom of each car frame.

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