CN204529036U - A kind of elevator traction system - Google Patents

Abstract

The utility model discloses an elevator traction system, comprising: a shaft, a car guide rail and a counterweight guide rail, a car, a counterweight, a traction host, a mounting beam, a counterweight rope end, a car rope end, and a counterweight side Guide wheel and car side guide wheel, pull rope. The traction main engine, the counterweight rope end, the car rope end and the counterweight side guide wheel are all installed on the installation beam, and the car side guide wheel is installed on the car guide rail or the side wall of the hoistway. The pull rope bypasses car pulley 1, car pulley 2, car side guide pulley, car pulley 3, car pulley 4, traction sheave, counterweight pulley 1, counterweight side guide pulley and counterweight pulley 2 , the two ends of the stay rope are respectively connected to the counterweight rope head and the car rope head. The utility model can reduce the system capacity of the traction main engine, which is beneficial to energy saving and environmental protection, and can relatively reduce the size of the traction main engine, facilitates the layout of the hoistway and the installation and maintenance of the hoistway, is beneficial to the balance of the car and the counterweight, and is convenient for operators to adjust For installation and maintenance, the work efficiency is high.

Description

An elevator traction system

technical field

The utility model belongs to the field of elevators, in particular to an elevator traction system.

Background technique

For the elevator system, it is necessary to set the traction host on the top of the hoistway to drive the car up and down. Most of the existing designs are to set the traction host directly above the car. When the car rises to the top, To avoid interference between the traction machine and the car, it is necessary to increase the height of the hoistway, which will undoubtedly increase the difficulty and cost of installation. Therefore, someone proposed to install the traction main engine between the side of the car and the hoistway wall, and set up the counterweight and the counterweight guide rail, and the counterweight is connected to the car with a pull rope transmission, and the traction ratio is 1:1 or 2:1. The elevator device is configured in the same way, and the traction main machine drives the pull rope to move to realize the mutual movement of the car and the counterweight. In this way, the traction main machine can avoid interference between the traction main machine and the car while maintaining the original height of the hoistway, and can greatly save energy.

Yet there is following defective in prior art:

1. For large machine-room-less elevators such as car elevators and heavy-duty freight elevators, if the elevator device is configured with a traction ratio of 1:1 or 2:1, the driving capacity of the traction host and the stress strength of the wire rope are very demanding. big. In this way, the performance requirements for the traction main engine are high, and the cost is increased, which is not conducive to energy saving and environmental protection, and is also not conducive to the well arrangement of the elevator traction system.

2. The positions of the traction main engine, the counterweight rope ends for fixing the ends of the pull ropes, and the car rope ends are scattered, and they are very prone to failure, and the installation and maintenance are extremely inconvenient.

Utility model content

Based on this, the utility model aims at overcoming the defects of the prior art, and providing an elevator traction system which is safe and stable in operation, convenient for hoistway layout, and extremely convenient for installation and maintenance.

The technical solution is as follows: an elevator traction system, comprising: a shaft; car guide rails and counterweight guide rails, the car guide rails and the counterweight guide rails are respectively arranged in the shaft; The car is arranged in the shaft and is guided by the car guide rail, and the car is provided with car pulley 1, car pulley 2, car pulley 3 and car pulley 4; counterweight, the The counterweight is arranged in the hoistway and is guided by the counterweight guide rail. The counterweight pulley 1 and the counterweight pulley 2 are arranged on the counterweight; the traction main machine is provided with a traction sheave ; install the beam, the installation beam is located above the counterweight, looking down from the hoistway, the installation beam is located between the side wall of the car and the side wall of the hoistway; the counterweight rope end, the car rope end, the counterweight Side guide wheels and car side guide wheels, the traction main engine, counterweight rope head, car rope head and counterweight side guide wheels are all installed on the installation beam, and the car side guide wheels are installed on the on the guide rail of the car or the side wall of the hoistway; the pull rope, the pull rope bypasses the car pulley one, the car pulley two, the car side guide pulley, the car pulley three, the The car pulley four, the traction sheave, the counterweight pulley one, the counterweight side guide wheel and the counterweight pulley two, the two ends of the stay rope are connected to the counterweight rope head and the counterweight pulley respectively. The car rope head.

Its further technical scheme is:

In one of the embodiments, two car guide rails form a pair, and two counterweight guide rails also form a pair.

In one of the embodiments, the installation beam is installed on two counterweight guide rails and one of the car guide rails, or, the installation beam is installed on one of the counterweight guide rails and one of the car guide rails.

In one of the embodiments, the counterweight guide rail, traction main engine, and counterweight are all located on the same side of the line connecting the two car guide rails, and the two car guide rails are located on the connecting line between the two counterweight guide rails. same side of the line.

In one of the embodiments, there is no ghost image between the traction main machine and the car in the vertical direction.

In one of the embodiments, when looking down from the hoistway, the counterweight-side guide wheel is arranged obliquely relative to the traction sheave, and the two ends of the counterweight-side guide wheel respectively protrude from both sides of the installation beam ; the traction sheave and the counterweight rope head respectively protrude from both sides of the installation beam, the first counterweight pulley and the second counterweight pulley are respectively located on both sides of the installation beam, and the pair of The two ends of the heavy-side guide wheel overlap with one end of the counterweight pulley one and one end of the two counterweight pulleys respectively, and the other end of the counterweight pulley one and the other end of the two counterweight pulleys respectively overlap with the counterweight pulley two. The heavy rope end overlaps with one end of the traction sheave.

In one of the embodiments, the traction sheave and the counterweight rope end protrude from the same side of the installation beam when viewed from the hoistway, and the counterweight side guide wheel is opposite to the traction sheave. The main engine is further away from the car, and the counterweight pulley 1 and the counterweight pulley 2 are both inclined relative to the installation beam, and the two ends of the counterweight pulley are respectively connected to one end of the traction sheave, One end of the counterweight side guide wheel overlaps, and the two ends of the counterweight pulley overlap with the other end of the traction sheave and the counterweight rope end respectively.

In one of the embodiments, the car-side guide wheels are arranged on the side walls of the car guide rails, and when viewed from the hoistway, the car-side guide wheels are farther away from the car guide rails than the car guide rails. box.

In one of the embodiments, the car-side guide wheel includes a guide wheel and a guide wheel support for installing the guide wheel, the upper and lower ends of the guide wheel support are respectively connected with fixing pieces, and the fixing pieces are connected to the guide wheel support. The car guide rail connection.

In one of the embodiments, the car guide rail is provided with a guide rail cap and at least two suspenders, one end of the suspender is fixed on the guide rail cap, and the other end of the suspender is fixedly connected to the guide wheel support. seat.

The beneficial effects of the utility model are:

1. In the elevator traction system described in the present invention, firstly, the installation beam and the traction main engine are installed on the side of the car. When the car rises to the top, they can be staggered with the traction main engine without increasing the hoistway. height, which reduces the installation difficulty and installation cost; secondly, change the existing technology to configure the elevator device with the traction rope 1:1 or 2:1, and the pull rope bypasses the car pulley one, the car pulley in turn 2. The car side guide wheel, the car pulley 3, the car pulley 4, the traction sheave, the counterweight pulley 1, the counterweight side guide wheel and the counterweight pulley Second, use the traction rope 4:1 to configure the elevator device, so that under the same load specification, the system capacity of the traction host can be reduced, which is conducive to energy saving and environmental protection, and can relatively reduce the size of the traction host, thereby It is convenient for hoistway layout and hoistway installation and maintenance. At the same time, the number of windings of the pull rope around the car and counterweight is increased, which is conducive to the suspension balance of the car and counterweight; The main engine and the guide wheels on the car side are all arranged on the installation beam, so that the installation positions of these parts are concentrated and basically at the same height, which is convenient for the operator to install and repair them, and the work efficiency is greatly improved.

2. Since the driving body is set on the side of the car, issues such as the center of gravity and stability need to be considered. The traction main engine of the elevator system is fixed on the car guide rail and the counterweight guide rail through the installation beam, and the car guide rail can be mounted on the car. One side of the box forms a strong support for the installation beam, and the counterweight guide rail can form a strong support for the two ends of the installation beam from the counterweight side, which effectively solves the problem of center of gravity offset caused by the position adjustment of the traction main engine. Improved stability.

3. When the elevator traction system is running, it can avoid the interference or wear of the pull ropes bypassing the counterweight pulley 1, the counterweight side guide wheel and the counterweight pulley 2 and the installation beam. At the same time, the counterweight side guide wheel is directly installed On the installation beam, it can withstand large tension.

4. When the elevator traction system is running, it can avoid the interference or wear of the ropes bypassing the counterweight pulley 1, the counterweight side guide wheel and the counterweight pulley 2 and the installation beam. At the same time, the counterweight side guide wheel is directly installed On the installation beam, it can bear a large tensile force.

Description of drawings

Fig. 1 is a schematic structural diagram of the elevator traction system described in Embodiment 1 of the present utility model;

Fig. 2 is a first schematic diagram of the installation structure of the guide wheel on the car side in the first embodiment of the utility model;

Fig. 3 is a second schematic diagram of the installation structure of the guide wheel on the car side in the first embodiment of the utility model;

Fig. 4 is a state diagram of the elevator traction system viewed vertically downward from the hoistway in Embodiment 2 of the present utility model;

Fig. 5 is a connection structure diagram of the traction main engine, the counterweight rope head and the car rope head, the counterweight guide rail and the car guide rail in the second embodiment of the utility model;

Fig. 6 is a schematic diagram of the structure of A-A of Fig. 5;

Fig. 7 is a state diagram of the elevator traction system viewed vertically downward from the hoistway in Embodiment 3 of the present utility model;

Fig. 8 is a connection structure diagram of the traction main engine, the counterweight rope head and the car rope head, the counterweight guide rail and the car guide rail in the third embodiment of the utility model;

FIG. 9 is a schematic diagram of the structure of B-B in FIG. 8 .

Explanation of reference signs:

10, hoistway, 20, car, 21, car pulley one, 22, car pulley two, 23, car pulley three, 24, car pulley four, 30, counterweight, 31, counterweight pulley one, 32 2. Counterweight pulley 2. 41. Car guide rail. 42. Counterweight guide rail. Side support, 80, car side guide wheel, 81, guide wheel, 82, guide wheel support, 83, guide rail cap, 84, boom, 85, fixing piece, 90, counterweight rope head, 101, car rope Head, 102, stay cord.

Detailed ways

Embodiments of the present utility model are described in detail below:

Embodiment one

As shown in Figure 1, the elevator traction system described in the utility model includes: a shaft 10, a car guide rail 41 and a counterweight guide rail 42, a car 20, a counterweight 30, a traction host 60, a mounting beam 50, a counterweight Heavy rope end 90, car rope end 101, counterweight side guide wheel 70 and car side guide wheel 80, stay rope 102; Described car guide rail 41 forms a pair for two, and described counterweight guide rail 42 is also Two form a pair, the car guide rail 41 and the counterweight guide rail 42 are respectively arranged in the shaft 10, the car 20 is arranged in the shaft 10 and carried by the car guide rail 41 Guidance, the car 20 is provided with car pulley one 21, car pulley two 22, car pulley three 23 and car pulley four 24; the counterweight 30 is arranged in the hoistway 10 and is controlled by the The counterweight guide rail 42 is guided, and a counterweight pulley one 31 and a counterweight pulley two 32 are provided on the counterweight 30 . The traction main machine 60 is provided with a traction sheave 61; the installation beam 50 is located above the counterweight 30, and viewed from the hoistway 10, the installation beam 50 is located on the side wall of the car 20 and the side wall of the hoistway 10 Between; the traction main engine 60, the counterweight rope end 90, the car rope end 101 and the counterweight side guide wheel 70 are all installed on the installation beam 50, and the car side guide wheel 80 is installed on the On the car guide rail 41 or the side wall of the hoistway 10; the stay rope 102 goes around the car pulley one 21, the car pulley two 22, the car side guide pulley 80, the car pulley three 23. The car pulley four 24, the traction sheave 61, the counterweight pulley one 31, the counterweight side guide wheel 70 and the counterweight pulley two 32, the two ends of the stay rope 102 Connect the counterweight rope end 90 and the car rope end 101 respectively.

The elevator traction system described in the utility model, firstly, install the crossbeam 50 and the traction host 60 on the side of the car 20, when the car 20 rises to the top, it can be staggered with the traction host 60 instead of It is necessary to increase the height of the hoistway 10, which reduces the installation difficulty and installation cost; secondly, change the existing technology to configure the elevator device in a 1:1 or 2:1 manner with the pull rope, and the pull rope 102 bypasses the car pulley one 21 in turn , the car pulley two 22, the car side guide pulley 80, the car pulley three 23, the car pulley four 24, the traction sheave 61, the counterweight pulley one 31, the The counterweight side guide wheel 70 and the counterweight pulley 2 32, that is, adopt the traction rope 4:1 mode to configure the elevator device, so that in the case of the same load specification, the system capacity of the traction host 60 can be reduced, so that It is beneficial to energy saving and environmental protection, and can relatively reduce the size of the traction main machine 60, so as to facilitate the layout of the shaft 10 and the installation and maintenance of the shaft 10. The hanging balance of the counterweight 30; again, the counterweight rope end 90, the car rope end 101, the traction main machine 60 and the car side guide wheel 80 are all arranged on the installation crossbeam 50, so that the installation positions of these parts are concentrated, and Basically located at the same height, it is convenient for operators to install and overhaul it, and the work efficiency can be greatly improved.

Wherein, there is no ghost image between the traction main machine 60 and the car 20 in the vertical direction. The installation beam 50 is installed on two counterweight guide rails 42 and one of the car guide rails 41 , or, the installation beam 50 is installed on one of the counterweight guide rails 42 and one of the car guide rails 41 . The counterweight guide rail 42, the traction main engine 60, and the counterweight 30 are all located on the same side of the line connecting the two car guide rails 41, and the two car guide rails 41 are located on the line connecting the two counterweight guide rails 42. on the same side. Since the driving main body is arranged on the side of the car 20, issues such as the center of gravity and stability need to be considered. The traction main machine 60 of the elevator traction system is fixed on the car guide rail 41 and the counterweight guide rail 42 through the installation beam 50, and the car The car guide rail 41 can form a strong support to the installation crossbeam 50 on the side of the car 20, and the counterweight guide rail 42 can form a strong support to the installation crossbeam 50 two ends from the counterweight 30 side, thus effectively solving the problem caused by the traction main frame 60. Problems such as center of gravity shift caused by position adjustment have improved stability.

Please refer to Fig. 2, 3, described car side guide wheel 80 is arranged on the side wall of described car guide rail 41, looks down from hoistway 10, and described car side guide wheel 80 is opposite to described car guide rail 41. further away from the car 20 . Described car side guide wheel 80 comprises guide wheel 81 and the guide wheel support 82 that described guide wheel is installed, and the upper and lower end of described guide wheel support 82 is connected with fixture 85 respectively, and described fixture 85 is connected with described guide wheel support 82. The car guide rail 41 is connected. The car guide rail 41 is provided with a guide rail cap 83 and at least two suspension rods 84 . One end of the suspension rod 84 is fixed on the guide rail cap 83 , and the other end of the suspension rod 84 is fixedly connected to the guide wheel support 82 . In this way, the guide wheel 80 on the car side can be stably arranged on the car guide rail 41, has a large bearing capacity, and the position design is reasonable, and at the same time, it is convenient to send the stay rope 102 to the traction sheave 61 through the pulley of the car 20 after reversing. , the overall structure layout is also very reasonable.

Embodiment two

Please refer to FIG. 4 , looking down from the hoistway 10, the counterweight side guide wheel 70 is inclined relative to the traction sheave 61, and the two ends of the counterweight side guide wheel 70 respectively protrude from the installation beam 50 on both sides; the traction sheave 61 and the counterweight rope head 90 respectively protrude from both sides of the installation beam 50, and the counterweight pulley 1 31 and the counterweight pulley 2 32 are respectively located on the Install crossbeam 50 both sides, described counterweight side guide wheel 70 two ends overlap with an end of described counterweight pulley one 31 and described counterweight pulley two 32 respectively, described counterweight pulley one 31 other ends and The other end of the counterweight pulley 2 32 overlaps with one end of the counterweight rope head 90 and the traction sheave 61 respectively. Specifically, the traction sheave 61 and the installation beam 50 are arranged parallel to each other, and the first counterweight pulley 31 and the second counterweight pulley 32 are arranged parallel to each other. In this way, when the elevator traction system is running, it is possible to avoid interference or wear of the stay ropes 102 passing around the counterweight pulley 1 , the counterweight side guide wheel 70 and the counterweight pulley 2 32 and the installation beam 50 . Please refer to Figures 5 and 6, the counterweight side guide wheels 70 are directly installed on the installation beam 50, and are respectively arranged with the traction host 80 on both ends of the installation beam 50, so that the counterweight side guide wheels 70 can withstand a large tensile force, The operation stability of the elevator traction system is improved.

Embodiment Three

Please refer to Fig. 7, looking down from the hoistway 10, the traction sheave 61 and the counterweight rope head 90 protrude from the same side of the installation beam 50, and the counterweight side guide wheel 70 is opposite to the counterweight side guide wheel 70. The traction main machine 60 is farther away from the car 20, the counterweight pulley one 31 and the counterweight pulley two 32 are inclined relative to the installation beam 50, and the two ends of the counterweight pulley one 31 are respectively Overlapping with one end of the traction sheave 61 and one end of the counterweight side guide wheel 70, the two ends of the counterweight pulley 32 are connected with the other end of the traction sheave 61 and the counterweight rope end respectively. 90 overlap. Wherein, the counterweight-side guide wheel 70 and the traction wheel 61 are arranged parallel to each other. In this way, when the elevator traction system is running, it is possible to avoid interference or wear of the stay ropes 102 passing around the counterweight pulley 1 , the counterweight side guide wheel 70 and the counterweight pulley 2 32 and the installation beam 50 . Please refer to Figures 8 and 9, the counterweight side guide wheel 70 is installed with the guide wheel 71 through the side bracket 72, and the side bracket 72 is fixedly arranged under the installation beam 50 and the traction host 60, and is vertically staggered with the traction host 60 It is set so that the size of the space occupied by the hoistway 10 is relatively reduced.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that the technical features of the above-mentioned embodiments can be combined arbitrarily. For the sake of concise description, all possible combinations of the technical features in the above-mentioned embodiments are not described. There is no contradiction in the combination, and all should be regarded as within the scope described in this specification. For those of ordinary skill in the art, without departing from the concept of the utility model, some modifications and improvements can be made, and these also belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. an elevator traction system, is characterized in that, comprising:

Hoistway;

Car guide rail and counter weight guide track, described car guide rail and described counter weight guide track are arranged in described hoistway respectively;

Car, described car to be arranged in described hoistway and to be led by described car guide rail, and described car is provided with car pulley one, car pulley two, car pulley three and car pulley four;

Counterweight, described counterweight to be arranged in described hoistway and to be led by described counter weight guide track, and described counterweight is provided with counterweight pulley one and counterweight pulley two;

Traction main frame, described traction main frame is provided with traction sheave;

Install crossbeam, described installation crossbeam is positioned at the top of described counterweight, looks down from hoistway, and described installation crossbeam is between car side wall and hoistway wall;

Counterweight fag end, lift car rope head, counterweight-side track adjusting wheel and cage side track adjusting wheel, described traction main frame, counterweight fag end, lift car rope head and counterweight-side track adjusting wheel are installed on described installation crossbeam, and described cage side track adjusting wheel is arranged in described car guide rail or hoistway wall;

Stay cord, described stay cord walks around described car pulley one, described car pulley two, described cage side track adjusting wheel, described car pulley three, described car pulley four, described traction sheave, described counterweight pulley one, described counterweight-side track adjusting wheel and described counterweight pulley two successively, and the two ends of described stay cord connect described counterweight fag end and described lift car rope head respectively.

2. elevator traction system according to claim 1, is characterized in that, described car guide rail is two and forms a pair, and described counter weight guide track is also two and is formed a pair.

3. elevator traction system according to claim 2, is characterized in that, described installation crossbeam is arranged on two counter weight guide tracks and wherein on a car guide rail, or described installation crossbeam is arranged on a wherein counter weight guide track and wherein on a car guide rail.

4. elevator traction system according to claim 2, is characterized in that, described counter weight guide track, traction main frame, weight average is positioned to the same sides of two car guide rail lines, and two described car guide rails are all positioned at the same side of two described counter weight guide track lines.

5. elevator traction system according to any one of claim 1 to 4, is characterized in that, described traction main frame and described car at vertical direction without ghost image.

6. elevator traction system according to any one of claim 1 to 4, it is characterized in that, look down from hoistway, described counterweight-side track adjusting wheel is obliquely installed relative to described traction sheave, and described counterweight-side track adjusting wheel two ends protrude from described installation crossbeam both sides respectively; Described traction sheave and described counterweight fag end protrude from the both sides of described installation crossbeam respectively, described counterweight pulley one lays respectively at described installation crossbeam both sides with described counterweight pulley two, described counterweight-side track adjusting wheel two ends overlap with one end of described counterweight pulley one and one end of described counterweight pulley two respectively, and described counterweight pulley one other end and described counterweight pulley two other end overlap with one end of described counterweight fag end and described traction sheave respectively.

7. elevator traction system according to any one of claim 1 to 4, it is characterized in that, look down from hoistway, described traction sheave and described counterweight fag end all protrude from the same side of described installation crossbeam, described counterweight-side track adjusting wheel relative to described traction main frame further from described car, described counterweight pulley one and described counterweight pulley two are all obliquely installed relative to described installation crossbeam, and described counterweight pulley one two ends respectively with one end of described traction sheave, one end of described counterweight-side track adjusting wheel overlaps, described counterweight pulley two two ends respectively with the other end of described traction sheave, described counterweight fag end overlaps.

8. elevator traction system according to any one of claim 1 to 4, it is characterized in that, described cage side track adjusting wheel is arranged on described car guide rail sidewall, looks down from hoistway, described cage side track adjusting wheel relative to described car guide rail further from described car.

9. elevator traction system according to claim 8, it is characterized in that, described cage side track adjusting wheel comprises track adjusting wheel and installs the track adjusting wheel bearing of described track adjusting wheel, and the upper and lower side of described track adjusting wheel bearing is connected to connecting element, and described connecting element is connected with described car guide rail.

10. elevator traction system according to claim 9, is characterized in that, described car guide rail is provided with guide rail cap, at least two suspension rods, and described suspension rod one end is fixed on described guide rail cap, and the described suspension rod other end is fixedly connected with described track adjusting wheel bearing.