Rope fixing structure and elevator

Abstract

The utility model provides a rope fixing structure and an elevator. The rope fixing structure comprises a rope hitch fixing assembly, a movable rope hitch plate, a rope hitch spring device and an opposite side rope hitch plate. The movable rope hitch plate comprises flush portions and a protruding portion, the protruding portion is located between the two flush portions, the flush portions and the protruding portion are different in height, a rope hitch screw hole is formed in the protruding portion, and rope hitch spring holes are symmetrically formed in the two flush portions. The rope head fixing assembly comprises a rope head, a rope head screw rod, damping rubber, a preassembled nut and a fastening anti-loosening assembly; each rope head spring device comprises a rope head spring and a pre-tightening bolt; the movable rope hitch plate comprises the flush portion and the protruding portion which are different in height, the rope hitch spring and the damping rubber are located at the flush portion and the protruding portion respectively, and in other words, in the height direction, the rope hitch spring and the damping rubber are located on the opposite sides of the movable rope hitch plate. In the horizontal direction, the rope head springs and the damping rubber are arranged in a staggered mode. Therefore, the overall height can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator field, specifically, a kind of rope cable fixing structure and elevator. BACKGROUND

[0002] Elevator car is suspended by flexible rope cable (such as steel wire rope, steel belt etc.), the rope cable fixing structure of conventional car is as shown in Figure 1 Flexible rope cable is connected with car roof crossbeam through rope head assembly, and rope head assembly includes rope head, screw rod, shock-absorbing rubber, rope head spring, locking nut and split pin, which are sequentially threaded on screw rod.Rope head screw rod is fixed during installation and passes through rope head plate on car roof crossbeam, and shock-absorbing rubber, rope head spring, locking nut and split pin are sequentially installed on rope head screw rod below rope head plate, but the scheme has relatively large height size, and high space requirement in height direction. SUMMARY

[0003] In view of defects in prior art, the utility model aims at providing a kind of rope cable fixing structure and elevator.

[0004] According to the utility model provides a kind of rope cable fixing structure, including rope head fixed assembly, movable rope head plate, rope head spring device, opposite side rope head plate;The number of rope head fixed assembly is same with the number of rope cable, and the number of movable rope head plate is 1, and movable rope head plate includes flush part and protruding part, and the protruding part is located between two flush parts, and the height of flush part and protruding part is different, and rope head screw rod hole is provided on protruding part, and rope head spring hole is symmetrically provided on two flush parts;Rope head fixed assembly includes rope head, rope head screw rod, shock-absorbing rubber, preloading nut and fastening anti-loose assembly;

[0005] One side of rope head is connected with rope cable, and the other side is fixedly connected with rope head screw rod, and the end of rope head screw rod sequentially passes through preloading nut, rope head screw rod hole on movable rope head plate and shock-absorbing rubber, and the end position is kept by fastening anti-loose assembly and anti-loose;

[0006] Rope head spring device is located between opposite side rope head plate and flush part, and each rope head spring device includes 1 rope head spring and 1 pre-tightening bolt;

[0007] One end of rope head spring is fixedly connected with movable rope head plate, and the other end is fixedly connected with opposite side rope head plate;Pre-tightening bolt passes through rope head spring hole on movable rope head plate and rope head spring;

[0008] The rope cable includes steel belt or steel wire rope.

[0009] Preferably, it further includes rubber end seat, which is arranged between the shock-absorbing rubber and the fastening anti-loose assembly.

[0010] Preferably, the rope head spring device further comprises spring end seats, and two spring end seats are arranged between the opposite rope head plate and the flush part of each rope head spring device, and the two spring end seats are fixedly connected with the opposite rope head plate and the movable rope head plate, respectively.

[0011] The rope head spring is sleeved on the spring end seat, one end of the rope head spring is fixedly connected with the movable rope head plate through one spring end seat, and the other end is fixedly connected with the opposite rope head plate through the other spring end seat.

[0012] The two spring end seats are arranged in an up-down mode, the spring end seat located at the upper part is provided with a threaded hole, and the spring end seat located at the lower part is provided with a through hole.

[0013] After the pre-tightening bolt passes through the rope head spring, the pre-tightening bolt is screwed into the threaded hole of the spring end seat fixed to the opposite rope head plate.

[0014] Preferably, the rope head is arranged in the car top of the elevator, and at this time, the opposite rope head plate is fixed to the car top cross beam of the elevator, and the opposite rope head plate is a rope head upper plate.

[0015] Preferably, the rope head is arranged in the elevator shaft, and at this time, the opposite rope head plate is fixed to the wall body, and the opposite rope head plate is a fixed rope head plate.

[0016] Preferably, the fastening anti-loosening assembly comprises a rope head nut, a locking nut and a split pin.

[0017] The rope head nut, the locking nut and the split pin are arranged in sequence, the rope head nut and the locking nut are sleeved on the rope head screw rod, and the split pin penetrates the rope head screw rod.

[0018] Preferably, the rope cable fixing structure is further provided with a scale for checking the spring compression amount.

[0019] The utility model also provides a kind of elevator, adopts the rope cable fixing structure.

[0020] Compared with prior art, the utility model has the following beneficial effects:

[0021] In the utility model, the movable rope head plate comprises flush part and protruding part different in height, and rope head spring and damping rubber are located at flush part and protruding part respectively, that is, in height direction, rope head spring and damping rubber are located at the opposite side of movable rope head plate; in horizontal direction, rope head spring and damping rubber are arranged in staggered mode; so that overall height can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 is a structural diagram of the prior art;

[0024] Figure 2 is a structural diagram of the rope cable fixing structure when the rope head is installed in the car top;

[0025] Figure 3 is a structural diagram of the rope cable fixing structure when the rope head is installed in the elevator shaft;

[0026] Figure 4 is a structural diagram of the elevator when the rope head is installed in the car top;

[0027] Figure 5 is a structural diagram of the elevator when the rope head is installed in the elevator shaft;

[0028] shown in the figure:

[0029] DETAILED DESCRIPTION

[0030] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for ordinary skilled in the art, on the premise of not departing from the utility model concept, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.

[0031] The utility model provides a kind of rope cable fixing structure, as shown in Figures 2-4 It includes rope head fixed subassembly, movable rope head board 602, rope head spring device, opposite side rope head board 609;The number of rope head fixed subassembly is same with the number of rope cable, the number of movable rope head board 602 is 1, movable rope head board 602 includes flush portion 6021 and protruding portion 6022, the protruding portion 6022 is located between two flush portion 6021, the height where flush portion 6021 and protruding portion 6022 are located is different, and rope head screw hole is provided on protruding portion 6022, and rope head spring hole is opened symmetrically on two flush portion 6021;Rope head fixed subassembly includes rope head 600, rope head screw 601, shock-absorbing rubber 603, preloading nut 608 and fastening anti-loose assembly;

[0032] One side of the rope head 600 is connected with the rope cable to transmit load, and the other side is fixedly connected with the rope head screw rod 601. The end of the rope head screw rod 601 passes through the preloaded nut 608, the rope head screw rod hole in the movable rope head plate 602 and the damping rubber 603 in sequence, and the end position is maintained by the fastening and anti-loosening assembly, and the anti-loosening is achieved. Specifically, the fastening and anti-loosening assembly comprises a rope head nut 605, a locking nut 606 and a split pin 607. The rope head nut 605, the locking nut 606 and the split pin 607 are arranged in sequence, the rope head nut 605 and the locking nut 606 are sleeved on the rope head screw rod 601, and the split pin 607 penetrates the rope head screw rod 601.

[0033] The rope head spring device is located between the opposite side rope head plate 609 and the flush part 6021, and the number of the rope head spring device is 2 or an even number. The even number of rope head spring devices are arranged symmetrically. Each rope head spring device comprises one rope head spring 610 and one pre-tightening bolt 612. One end of the rope head spring 610 is fixedly connected with the movable rope head plate 602, and the other end is fixedly connected with the opposite side rope head plate 609. The pre-tightening bolt 612 penetrates the rope head spring hole in the movable rope head plate 602 and the rope head spring 610. The rope cable is a steel belt 506 or a steel wire rope.

[0034] The rope cable fixing structure further comprises a rubber end seat 604, which is arranged between the damping rubber 603 and the fastening and anti-loosening assembly.

[0035] The rope head spring device further comprises a spring end seat 611. Two spring end seats 611 are arranged between the opposite side rope head plate 609 and the flush part 6021 in each rope head spring device. The two spring end seats 611 are fastened to the opposite side rope head plate 609 and the movable rope head plate 602 respectively. The rope head spring 610 is sleeved on the spring end seat 611. One end of the rope head spring 610 is fixedly connected with the movable rope head plate 602 through one spring end seat 611, and the other end is fixedly connected with the opposite side rope head plate 609 through the other spring end seat 611. The two spring end seats 611 are arranged in an upper and lower manner. The spring end seat 611 located in the upper part is provided with a threaded hole, and the spring end seat 611 located in the lower part is provided with a through hole. After the pre-tightening bolt 612 penetrates the rope head spring 610, the pre-tightening bolt 612 is screwed into the threaded hole of the spring end seat 611 fixed to the opposite side rope head plate 609.

[0036] The rope cable fixing structure is further provided with a scale for checking the compression amount of the spring. A detection device for the position of the movable rope head plate can also be provided to measure the load of the rope head.

[0037] In a preferred example, as Figure 2 and Figure 4As shown, the rope head 600 is installed in the car top, at this time, the opposite rope head plate 609 is fixed on the car top cross beam of the external elevator, namely the opposite rope head plate 609 is the upper rope head plate. Figure 3 As shown, the rope head 600 is installed in the elevator shaft, at this time, the opposite rope head plate 609 is fixed on the wall 613, namely the opposite rope head plate 609 is the fixed rope head plate. Figure 5 As shown, the rope head 600 is installed in the car top, at this time, the opposite rope head plate 609 is fixed on the car top cross beam of the external elevator, namely the opposite rope head plate 609 is the upper rope head plate.

[0038] In the utility model, in the horizontal direction, the rope head spring 610 with large height and other fixed components including the rope head 600, the rope head screw rod 601, the damping rubber 603, the rubber end seat 604, the rope head nut 605, the locking nut 606 and the split pin 607 are staggered arrangement, therefore the rope head spring 610 does not occupy the height size of the fixed component, thereby the overall height of the fixed structure is reduced, further the requirement to the top layer height of the elevator shaft is reduced. In addition, the face for installing the rubber and the spring of the movable rope head plate is designed as the stepped structure (namely the height of the flush part 6021 and the convex part 6022 is different) in the height direction, further the overall height of the fixed structure except the rope head 600 is reduced, therefore except the rope head 600, other fixed structures can be hidden in the car top, the appearance of the car top is greatly improved.

[0039] In addition, the design that one end of the rope head spring 610 is fixedly connected with the movable rope head plate and the other end is fixedly connected with the opposite rope head plate 609 fixed on the car top or the wall makes the position of the movable rope head plate directly correspond to the compression amount of the rope head spring, is not influenced by the compression amount of the damping rubber 603, avoids the interference of the nonlinearity and easy aging of the rubber, therefore can be used for accurately detecting the load of the elevator car. In a preferred embodiment, the preassembled nut and the pre-tightening bolt of the utility model are used for pre-tightening and combining the rope head fixed component, the movable rope head plate 602, the rope head spring device and the opposite rope head plate 609 as a component in the factory, after the on-site installation of the rope head bearing is completed, the pre-tightening force of the preassembled nut and the pre-tightening bolt disappears naturally, without the need of removing.

[0040] In a preferred embodiment, the rope cable fixed structure is further provided with a scale for checking the spring compression amount. The detection device for the position of the movable rope head plate can also be provided to measure the rope head bearing.

[0041] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0042] The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the specific embodiments described above, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A rope fixing structure characterized by comprising: The rope head fixing assembly, the movable rope head plate (602), the rope head spring device, and the opposite rope head plate (609); the number of the rope head fixing assembly is the same as the number of the rope cable, the number of the movable rope head plate (602) is one, the movable rope head plate (602) comprises the flush part (6021) and the protruding part (6022), the protruding part (6022) is located between the two flush parts (6021), the height of the flush part (6021) and the protruding part (6022) is different, the protruding part (6022) is provided with a rope head screw hole, and the two flush parts (6021) are symmetrically provided with rope head spring holes; the rope head fixing assembly comprises the rope head (600), the rope head screw (601), the damping rubber (603), the preloaded nut (608), and the fastening anti-loose assembly; One side of the rope head (600) is connected with the rope cable, and the other side is fixedly connected with the rope head screw (601), the end of the rope head screw (601) passes through the preloaded nut (608), the rope head screw hole in the movable rope head plate (602), and the damping rubber (603) in sequence, and the end position is maintained by the fastening anti-loose assembly and anti-loose; The rope head spring device is located between the opposite rope head plate (609) and the flush part (6021), each rope head spring device comprises one rope head spring (610) and one pre-tightening bolt (612); One end of the rope head spring (610) is fixedly connected with the movable rope head plate (602), and the other end is fixedly connected with the opposite rope head plate (609); the pre-tightening bolt (612) passes through the rope head spring hole in the movable rope head plate (602) and the rope head spring (610); The rope cable comprises a steel belt (506) or a steel wire rope.

2. The rope securing structure according to claim 1, characterized by, It also comprises a rubber end seat (604), which is arranged between the damping rubber (603) and the fastening anti-loose assembly.

3. The rope securing structure according to claim 1, characterized by, The rope head spring device also comprises a spring end seat (611), and two spring end seats (611) are arranged between the opposite rope head plate (609) and the flush part (6021) in each rope head spring device, and the two spring end seats (611) are fixedly connected with the opposite rope head plate (609) and the movable rope head plate (602); The rope head spring (610) is sleeved on the spring end seat (611), one end of the rope head spring (610) is fixedly connected with the movable rope head plate (602) through one spring end seat (611), and the other end is fixedly connected with the opposite rope head plate (609) through the other spring end seat (611); The two spring end seats (611) are arranged in an upper and lower mode, a threaded hole is formed in the upper spring end seat (611), and a through hole is formed in the lower spring end seat (611); After the pre-tightening bolt (612) passes through the rope head spring (610), it is screwed into the threaded hole in the spring end seat (611) fixed to the opposite rope head plate (609).

4. The rope securing structure according to claim 1, characterized by, The rope head (600) is installed in the car top of the elevator, at this time, the opposite rope head plate (609) is fixed to the car top cross beam of the elevator, and the opposite rope head plate (609) is the rope head upper plate.

5. The rope cable securing structure of claim 1, wherein, The rope head (600) is installed in the elevator shaft, and at this time, the opposite rope head plate (609) is fixed on the wall (613), that is, the opposite rope head plate (609) is a fixed rope head plate.

6. The rope cable securing structure of claim 1, wherein, The fastening anti-loosening assembly comprises a rope head nut (605), a locking nut (606) and a split pin (607). The rope head nut (605), the locking nut (606) and the split pin (607) are arranged in sequence, the rope head nut (605) and the locking nut (606) are sleeved on the rope head screw rod (601), and the split pin (607) penetrates the rope head screw rod (601).

7. The rope cable securing structure of claim 1, wherein, The rope cable fixing structure is further provided with a scale for checking the spring compression amount.

8. An elevator, characterized by The rope cable fixing structure is adopted. The rope cable fixing structure is adopted.

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