Traction arrangement structure of elevator
By improving the traction arrangement structure of the elevator, the lifting force of the traction rope is evenly applied to the car or the return sheave, solving the bending moment problem caused by the traction rope in the existing technology. This achieves smooth elevator operation, reduces noise, reduces component wear and power consumption, and optimizes space utilization.
Patent Information
- Application Number
- CN202423299050.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the prior art, the layout of the return rope pulley and the direction of the traction rope during the transmission process cause bending moments to be generated in the car and counterweight during the lifting process, resulting in tilting of the car or counterweight, causing vibration, noise and component wear.
An elevator traction arrangement structure is adopted, in which one end of the traction rope is fixedly connected to the first rope head device, and the end of the rope away from the rope head device passes through the first return rope pulley and the drive mechanism in sequence to form a first branch and a second branch. The first branch passes through the second return rope pulley and is fixedly connected to the second rope head device, and the second branch passes through the third return rope pulley and is fixedly connected to the second rope head device, so as to ensure that the traction force is evenly applied to the car or the return rope pulley.
It achieves consistency between traction force and elevator running direction, reduces horizontal component, avoids component interference and wear, reduces vibration noise and power consumption, saves rope sheave manufacturing and installation costs, and optimizes elevator space utilization.
Smart Images
Figure CN223592185U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator equipment technical field, concretely relates to a kind of traction arrangement structure of elevator. BACKGROUND
[0002] In some heavy elevator application occasions, the horizontal projection area of car, counterweight is large, usually set two groups or above return pulley on the upper part of car or counterweight, one end of traction rope passes through the return pulley on car to pull car, the other end passes through the return pulley on counterweight to pull counterweight. Figure 1 As shown in the figure, in prior art, when traction rope passes through the return pulley on car or counterweight, it enters from one end of return pulley and is led out from the other end of return pulley, all return pulleys rotate in the same direction.
[0003] However, as shown in the figure, in prior art, when traction rope passes through the return pulley on car or counterweight, it enters from one end of return pulley and is led out from the other end of return pulley, all return pulleys rotate in the same direction. Figure 1 As can be seen, in prior art, due to the layout of return pulley group and the direction of traction rope, horizontal component force is inevitably generated in transmission process of traction rope, which causes bending moment of car and counterweight in lifting process, resulting in problems such as inclination of car or counterweight, vibration noise, component wear and tear and so on, and the phenomenon is more serious with the increase of horizontal projection area of car or counterweight. CONTENT OF UTILITY MODEL
[0004] Therefore, in order to solve the problems that traction rope in prior art causes bending moment of car and counterweight in lifting process, resulting in problems such as inclination of car or counterweight, vibration noise, component wear and tear and so on, the purpose of the utility model is to provide a kind of traction arrangement structure of elevator, and the specific technical scheme is as follows:
[0005] A kind of traction arrangement structure of elevator, including main frame, drive mechanism, first rope head device, first suspension device, second rope head device and second suspension device, the drive mechanism is arranged on the main frame and is fixedly connected with the main frame;The first rope head device is arranged on the main frame and is fixedly connected with the main frame;The first suspension device includes first suspension box and first return pulley, the first return pulley is fixedly connected with the first suspension box;The second rope head device is arranged on the main frame and is fixedly connected with the main frame;The second suspension device includes second suspension box, second return pulley, third return pulley and traction rope, the second return pulley and the third return pulley are fixedly connected with the second suspension box respectively, one end of the traction rope is fixedly connected with the first rope head device, the end of the traction rope away from the first rope head device is sequentially passed through the first return pulley and the drive mechanism and is divided into first branch and second branch, the first branch is passed through the second return pulley and is fixedly connected with the second rope head device, the second branch is passed through the third return pulley and is fixedly connected with the second rope head device.
[0006] Further, the driving mechanism comprises a driving motor and a traction sheave, the driving motor is fixedly connected with the main frame, the traction sheave is fixedly connected with the output end of the driving motor, and the traction rope is divided into a first branch and a second branch after sequentially passing through the first rope return wheel and the traction sheave from the end away from the first rope head device.
[0007] Further, the first rope head device comprises a first rope head plate and a first terminal device, the first rope head plate is fixedly connected with the main frame, and the first terminal device is arranged on the first rope head plate and fixedly connected with the first terminal device, and one end of the traction rope is fixedly connected with the first terminal device.
[0008] Further, the second rope head device comprises a second rope head plate, a second terminal device, a third rope head plate and a third terminal device, the second rope head plate and the third rope head plate are respectively fixedly connected with the main frame, the second terminal device is arranged on the second rope head plate and fixedly connected with the second rope head plate, the third terminal device is arranged on the third rope head plate and fixedly connected with the third rope head plate, the first branch passes through the second rope return wheel and is fixedly connected with the second terminal device, and the second branch passes through the third rope return wheel and is fixedly connected with the third terminal device.
[0009] Further, the second rope head plate and the second terminal device are symmetrically arranged with the third rope head plate and the third terminal device.
[0010] Further, the second terminal device and the third terminal device are respectively arranged on the two sides of the driving mechanism.
[0011] Further, the main frame is rotationally connected with two guide sheaves, the first branch sequentially passes through one of the guide sheaves and the second rope return wheel and is fixedly connected with the second rope head device, and the second branch sequentially passes through the other guide sheave and the third rope return wheel and is fixedly connected with the second rope head device.
[0012] Further, the first suspension box is arranged as a counterweight, and the second suspension box is arranged as a car.
[0013] Further, the first suspension box is arranged as a car, and the second suspension box is arranged as a counterweight.
[0014] Further, the first rope return wheel is arranged as two, the two first rope return wheels are symmetrically arranged, and the traction rope sequentially passes through the two first rope return wheels from the end away from the first rope head device.
[0015] Compared with the prior art, the utility model has the advantages that through fixed connection of one end of the traction rope and the first rope head device, the one end of the traction rope away from the first rope head device is divided into the first branch and the second branch in turn after passing the first return rope wheel and the driving mechanism, the first branch passes the second return rope wheel and is fixedly connected with the second rope head device, the second branch passes the third return rope wheel and is fixedly connected with the second rope head device. Ensure that the traction force of the traction rope acts on the car or the counterweight return rope wheel uniformly, avoid the bending moment that may be generated in the traction force of the traction rope, be favorable for the stable operation of the elevator, reduce the vibration noise, greatly reduce the abrasion of the related parts, can realize the consistency of the traction force and the running direction of the elevator to the maximum extent, reduce the unnecessary horizontal component, can not only avoid the interference and abrasion of the parts caused by the horizontal component, but also be favorable for energy saving and consumption reduction, reduce the power waste, simultaneously, the number of rope grooves of the first return rope wheel and the second return rope wheel is reduced by half, save the engineering quantity of the rope wheel manufacturing and installation, be favorable for reducing the product cost, can reduce the geometric size of the first return rope wheel and the second, leave more horizontal projection area for the car or the counterweight, be favorable for the arrangement of the safety space of the elevator. BRIEF DESCRIPTION OF DRAWINGS
[0016] The present utility model can be further understood from the following description in conjunction with the drawings, the components in the drawings are not necessarily drawn according to scale, but focus on showing the principle of the embodiment, and the same reference signs designate corresponding parts in different views.
[0017] Figure 1 It is the structural schematic diagram of the traction arrangement structure of the elevator in the prior art;
[0018] Figure 2 It is the structural schematic diagram of the traction arrangement structure of the elevator of embodiment 1;
[0019] Figure 3 It is the structural schematic diagram of the traction arrangement structure of the elevator of embodiment 2.
[0020] BRIEF DESCRIPTION OF DRAWINGS
[0021] 1, main frame;2, driving mechanism;21, driving motor;22, traction sheave;3, first rope head device;31, first rope head plate;32, first end connection device;4, first suspension device;41, first suspension box;42, first return rope wheel;5, second rope head device;51, second rope head plate;52, second end connection device;53, third rope head plate;54, third end connection device;6, second suspension device;61, second suspension box;62, second return rope wheel;63, third return rope wheel;64, traction rope;641, first branch;642, second branch;7, guide sheave. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail in combination with its embodiments, and it should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the protection scope of the utility model.
[0023] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are used for explanation only and are not intended to limit the present utility model.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The use of the terms "and / or" includes a combination of one or more of the associated listed items.
[0025] The "first", "second" in the utility model do not represent the specific quantity and order, and are only used for distinguishing names.
[0026] Example 1
[0027] As Figure 2As shown, the utility model discloses a traction arrangement structure of elevator of one embodiment, including mainframe 1, drive mechanism 2, first rope head device 3, first suspension device 4, second rope head device 5 and second suspension device 6, drive mechanism 2 sets up on mainframe 1 and is fixedly connected with mainframe 1;First rope head device 3 sets up on mainframe 1 and is fixedly connected with mainframe 1;First suspension device 4 includes first suspension box 41 and first return rope wheel 42, and first return rope wheel 42 is fixedly connected with first suspension box 41;Second rope head device 5 sets up on mainframe 1 and is fixedly connected with mainframe 1;Second suspension device 6 includes second suspension box 61, second return rope wheel 62, third return rope wheel 63 and traction rope 64, and second return rope wheel 62 and third return rope wheel 63 are fixedly connected with second suspension box 61 respectively, and one end of traction rope 64 is fixedly connected with first rope head device 3, and the end of traction rope 64 away from first rope head device 3 is sequentially passed first return rope wheel 42 and drive mechanism 2 and is divided into first branch 641 and second branch 642, and first branch 641 is passed second return rope wheel 62 and is fixedly connected with second rope head device 5, and second branch 642 is passed third return rope wheel 63 and is fixedly connected with second rope head device 5, ensure that the traction of traction rope 64 is evenly applied to the car or counterweight return rope wheel, avoid the bending moment that the traction force may produce in the return rope wheel of first branch 641 and second branch 642, be favorable to the stable operation of elevator, reduce vibration noise, greatly reduce the abrasion of relevant parts;It can be maximized to realize the consistency of traction force and elevator running direction, reduce unnecessary horizontal component, not only can avoid the interference and abrasion caused by horizontal component, but also is favorable to energy saving and consumption reduction, reduces power waste;At the same time, the number of rope slots of first return rope wheel 42 and second return rope wheel 62 is reduced by half, saves the engineering quantity of rope wheel manufacturing and installation, is favorable to reducing product cost, can reduce the geometric size of first return rope wheel 42 and second, leaves more horizontal projection area for car or counterweight, is favorable to the arrangement of elevator safety space. By setting mainframe 1, mainframe 1 is bolted with the load-bearing beam buried in the building. By setting drive mechanism 2, mechanical energy is converted by electrical energy to drive traction rope 64. By setting first rope head device 3, a reliable connection point between traction rope 64 and first suspension box 41 is provided, ensuring that traction rope 64 does not fall off or loosen during lifting. By setting first suspension device 4, reliable suspension and lifting of first suspension box 41 are realized. By setting second rope head device 5, a reliable connection point between traction rope 64 and second suspension box 61 is provided, ensuring that traction rope 64 does not fall off or loosen during lifting. By setting second suspension device 6, reliable suspension and lifting of second suspension box 61 are realized. In this embodiment, first suspension box 41 is set as counterweight, and second suspension box 61 is set as car.
[0028] As the preferred embodiment of the utility model, it can also have the following additional technical features: the driving mechanism 2 includes driving motor 21 and traction wheel 22, driving motor 21 is fixedly connected with mainframe 1, traction wheel 22 is fixedly connected with the output end of driving motor 21, the one end of traction rope 64 away from first rope head device 3 is sequentially wound through first return rope wheel 42 and traction wheel 22 and is divided into first branch 641 and second branch 642. When driving motor 21 starts, traction wheel 22 will rotate, the surface of traction wheel 22 is designed with specific rope groove, is used for cooperating with traction rope 64. The first branch 641 and second branch 642 of division can more evenly share the tension of traction rope 64, help to reduce the vibration and noise generated due to uneven stress, also help to improve the stability of elevator when heavy load or high speed operation.
[0029] As the preferred embodiment of the utility model, it can also have the following additional technical features: first rope head device 3 includes first rope head plate 31 and first end connection device 32, first rope head plate 31 is fixedly connected with mainframe 1, first end connection device 32 is arranged on first rope head plate 31 and is fixedly connected with first end connection device 32, one end of traction rope 64 is fixedly connected with first end connection device 32. Connection mode usually includes clamping, wedge locking, bolt connection etc., to ensure that traction rope 64 does not fall off or loosen in the lifting process.
[0030] As the preferred embodiment of the utility model, it can also have the following additional technical features: second rope head device 5 includes second rope head plate 51, second end connection device 52, third rope head plate 53 and third end connection device 54, second rope head plate 51 and third rope head plate 53 are fixedly connected with mainframe 1 respectively, second end connection device 52 is arranged on second rope head plate 51 and is fixedly connected with second rope head plate 51, third end connection device 54 is arranged on third rope head plate 53 and is fixedly connected with third rope head plate 53, first branch 641 is wound through second return rope wheel 62 and is fixedly connected with second end connection device 52, second branch 642 is wound through third return rope wheel 63 and is fixedly connected with third end connection device 54. Connection mode usually includes clamping, wedge locking, bolt connection etc., to ensure that traction rope 64 does not fall off or loosen in the lifting process.
[0031] As the preferred embodiment of the utility model, it can also have the following additional technical features: second rope head plate 51 and second end connection device 52 are symmetrically arranged with third rope head plate 53 and third end connection device 54. Ensure that the stress of two branches of traction rope 64 is balanced after winding through traction wheel 22, so that traction rope 64 can keep stable motion trajectory in the process of elevator operation, help to reduce vibration and noise, improve the smoothness of elevator operation and ride comfort.
[0032] As the preferred embodiment of the utility model, it can also have the following additional technical features: the second terminal device 52 and the third terminal device 54 are arranged on the two sides of the driving mechanism 2 respectively. The stress is evenly distributed, so that the traction rope 64 can keep a stable motion trajectory during the operation of the elevator, which helps to reduce vibration and noise, improve the stability of the elevator operation and the comfort of the ride.
[0033] As the preferred embodiment of the utility model, it can also have the following additional technical features: the second return pulley 62 and the third return pulley 63 are symmetrically arranged on the second suspension box 61 with the center line of the second suspension box 61. The path length of the traction rope 64 on the two branches is ensured to be equal, so that the tension distribution of the traction rope 64 can be more effectively controlled, and the stability of the elevator operation is improved.
[0034] As the preferred embodiment of the utility model, it can also have the following additional technical features: the main rack 1 is rotatably connected with two guide wheels 7, the first branch 641 passes through one of the guide wheels 7 and the second return pulley 62 in sequence and is fixedly connected with the second rope head device 5, and the second branch 642 passes through the other guide wheel 7 and the third return pulley 63 and is fixedly connected with the second rope head device 5. The guide wheels 7 play a role in guiding the first branch 641 and the second branch 642, and ensure that the first branch 641 and the second branch 642 can stably pass through and move along the predetermined path. Of course, the guide wheels 7 can be selected according to different needs, and in addition, in other embodiments, the guide wheels 7 can also be selected not to be arranged.
[0035] In addition, in the embodiment, the angle of the second return pulley 62 and the third return pulley 63 relative to the horizontal center line of the second suspension box 61 can be arranged within the range of 360°.
[0036] The working principle of the traction arrangement of the elevator of the embodiment is as follows: when the elevator needs to operate, the driving motor 21 starts and drives the traction sheave 22 to rotate, and with the rotation of the traction sheave 22, the traction rope 64 starts to move. One end of the traction rope 64 is connected with the first rope head device 3 and is fixed, and the other end is turned by the first return pulley 42 and then passes through the traction sheave 22 of the driving mechanism 2, and after the traction rope 64 passes through the traction sheave 22, it is divided into two branches and passes through the second return pulley 62 and the third return pulley 63 respectively, and the two return pulleys are fixedly connected with the car, so that the movement of the traction rope 64 drives the car to ascend and descend. With the continuous movement of the traction rope 64, the car starts to ascend and descend under the action of the traction force. When the traction rope 64 moves in one direction, the car ascends and the counterweight descends; when the traction rope 64 moves in the opposite direction, the car descends and the counterweight ascends. The counterweight and the car are connected together through the traction rope 64 to form a balance system.
[0037] The traction arrangement structure of the elevator of the embodiment is reasonable in structural design, convenient to use, and can also be used to achieve similar use requirements for other devices. In the embodiment, the traction arrangement structure of the elevator ensures that the pulling force of the traction rope 64 uniformly acts on the car or the counterweight return rope wheel, avoids the bending moment that may be generated in the traction force due to the pulling of the return rope wheel, is beneficial to the stable operation of the elevator, reduces vibration noise, greatly reduces the wear of related components, improves traction efficiency and stability, optimizes space utilization, and is convenient to maintain.
[0038] Embodiment 2
[0039] The present application also provides embodiment 2, as shown in Figure 3 as a variant structure of embodiment 1, embodiment 2 is only different from embodiment 1 in that the first suspension box 41 and the second suspension box 61 are different, specifically as follows: the first suspension box 41 is arranged as a car, the second suspension box 61 is arranged as a counterweight, the first return rope wheel 42 is arranged as two, the two first return rope wheels 42 are symmetrically arranged, and the end of the traction rope 64 away from the first rope head device 3 sequentially passes through the two first return rope wheels 42.
[0040] The working principle of the traction arrangement structure of the elevator of the embodiment is as follows: when the elevator needs to operate, the driving motor 21 starts and drives the traction wheel 22 to rotate. With the rotation of the traction wheel 22, the traction rope 64 starts to move. One end of the traction rope 64 is connected with and fixed to the first rope head device 3, and the other end is turned through the first return rope wheel 42 and then passes through the traction wheel 22 of the driving mechanism 2. After the traction rope 64 passes through the traction wheel 22, it is divided into two branches and passes through the second return rope wheel 62 and the third return rope wheel 63, respectively. The two return rope wheels are fixedly connected with the counterweight, so the movement of the traction rope 64 drives the lifting of the counterweight. With the continuous movement of the traction rope 64, the counterweight starts to lift under the action of the traction force. When the traction rope 64 moves in one direction, the counterweight rises and the car descends; when the traction rope 64 moves in the opposite direction, the counterweight descends and the car rises. The counterweight and the car are connected together through the traction rope 64 to form a balanced system.
[0041] The traction arrangement structure of the elevator of the embodiment is reasonable in structural design, convenient to use, and can also be used to achieve similar use requirements for other devices. In the embodiment, the traction arrangement structure of the elevator ensures that the pulling force of the traction rope 64 uniformly acts on the car or the counterweight return rope wheel, avoids the bending moment that may be generated in the traction force due to the pulling of the return rope wheel, is beneficial to the stable operation of the elevator, reduces vibration noise, greatly reduces the wear of related components, improves traction efficiency and stability, optimizes space utilization, and is convenient to maintain.
[0042] In the description of the above embodiments, greater than, less than, more than, etc. are understood as not including the number, the meaning of several, a plurality of is more than one, above, below, etc. are understood as including the number, if there is a description to the first, second is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of the indicated technical features.
[0043] The technical features of the above-described embodiments can be combined arbitrarily, and for the sake of brevity, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not have a contradictory relationship, it should be considered as the range described in the specification.
[0044] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent, it should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model, therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A traction arrangement of an elevator, characterized in that The application relates to a drive mechanism for a hoist, which comprises the following components: a main frame; a drive mechanism arranged on the main frame and fixedly connected with the main frame; a first rope head device arranged on the main frame and fixedly connected with the main frame; a first suspension device comprising a first suspension box and a first return rope wheel, wherein the first return rope wheel is fixedly connected with the first suspension box; a second rope head device arranged on the main frame and fixedly connected with the main frame; a second suspension device comprising a second suspension box, a second return rope wheel, a third return rope wheel and a traction rope, wherein the second return rope wheel and the third return rope wheel are respectively fixedly connected with the second suspension box, one end of the traction rope is fixedly connected with the first rope head device, and the other end of the traction rope, which is away from the first rope head device, is sequentially wound around the first return rope wheel and the drive mechanism and then is divided into a first branch and a second branch, the first branch is wound around the second return rope wheel and is fixedly connected with the second rope head device, and the second branch is wound around the third return rope wheel and is fixedly connected with the second rope head device.
2. The traction arrangement of an elevator according to claim 1, characterized in that, The drive mechanism comprises a drive motor and a traction wheel, wherein the drive motor is fixedly connected with the main frame, and the traction wheel is fixedly connected with the output end of the drive motor, and the other end of the traction rope, which is away from the first rope head device, is sequentially wound around the first return rope wheel and the traction wheel and then is divided into a first branch and a second branch.
3. The elevator traction arrangement according to claim 1, characterized in that, The first rope head device comprises a first rope head plate and a first terminal device, wherein the first rope head plate is fixedly connected with the main frame, the first terminal device is arranged on the first rope head plate and is fixedly connected with the first terminal device, and one end of the traction rope is fixedly connected with the first terminal device.
4. The elevator traction arrangement according to claim 1, characterized in that, The second rope head device comprises a second rope head plate, a second terminal device, a third rope head plate and a third terminal device, wherein the second rope head plate and the third rope head plate are respectively fixedly connected with the main frame, the second terminal device is arranged on the second rope head plate and is fixedly connected with the second rope head plate, the third terminal device is arranged on the third rope head plate and is fixedly connected with the third rope head plate, the first branch is wound around the second return rope wheel and is fixedly connected with the second terminal device, and the second branch is wound around the third return rope wheel and is fixedly connected with the third terminal device.
5. The traction arrangement of an elevator according to claim 4, characterized in that, The second rope head plate and the second terminal device are symmetrically arranged with the third rope head plate and the third terminal device.
6. The elevator traction arrangement according to claim 4, characterized in that, The second terminal device and the third terminal device are respectively arranged on the two sides of the drive mechanism.
7. The elevator traction arrangement according to claim 1, characterized in that, The main frame is rotationally connected with two guide wheels, the first branch is sequentially wound around one of the guide wheels and the second return rope wheel and is fixedly connected with the second rope head device, and the second branch is sequentially wound around the other guide wheel and the third return rope wheel and is fixedly connected with the second rope head device.
8. The elevator traction arrangement according to claim 1, characterized in that, The first suspension box is arranged as a counterweight, and the second suspension box is arranged as a car.
9. The elevator traction arrangement according to claim 1, characterized in that, The first suspension box is arranged as a car, and the second suspension box is arranged as a counterweight.
10. A traction arrangement of an elevator according to claim 9, characterized in that, The first return rope wheel is provided as two, and the two first return rope wheels are symmetrically provided, and the traction rope is sequentially wound around the two first return rope wheels away from the first rope head device.