Anti-swing limiting groove device for elevator traveling cable

Abstract

The utility model discloses an elevator traveling cable anti-swing limiting groove device, which belongs to the technical field of elevator traveling cable anti-swing, and comprises a limiting groove, a first wheel set, a second wheel set, a connecting rod frame, a traveling cable and a steel wire rope. According to the utility model, the limiting groove is designed, the first wheel set which slides vertically is arranged in the limiting groove, and the first wheel set is used for keeping the traveling cable stable; a steel wire rope, a second wheel set and a connecting rod frame structure are designed, the steel wire rope drives the second wheel set to move vertically along with vertical lifting of the elevator car, then the first wheel set is pulled by the connecting rod frame to move vertically along with the elevator car, stability of the traveling cable is kept all the time in the vertical lifting process of the elevator, and therefore safety accidents are avoided. And the service life of the traveling cable is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of anti-swing of elevator traveling cables, and in particular to an anti-swing limit groove device for elevator traveling cables. Background Art

[0002] The elevator car moves vertically up and down in the elevator shaft. The power supply in the car is generally supplied by an elevator traveling cable. One end of the elevator traveling cable is fixed to the top of the elevator shaft, and the other end is fixedly connected to the elevator car.

[0003] During the vertical lifting of the elevator car, the accompanying cable will swing or sway, which may easily cause safety accidents. Moreover, the long-term swinging of the elevator accompanying cable will greatly reduce its service life. For this reason, the utility model provides an elevator accompanying cable anti-swing limit groove device. Summary of the invention

[0004] The purpose of this application is to maintain the stability of the accompanying cable during the vertical lifting of the elevator car, avoid the occurrence of safety accidents, and increase the service life of the cable.

[0005] In order to achieve the above objectives, the technical solution adopted in this application is:

[0006] An elevator accompanying cable anti-swing limit groove device, comprising:

[0007] A limiting groove, wherein the limiting groove is vertically arranged in the elevator shaft, and a slide rail is fixedly installed on the inner side wall of the limiting groove;

[0008] A first wheel group, wherein the first wheel group is located inside the limiting groove, and a rotating shaft of the first wheel group is slidably connected to the slide rail;

[0009] A second wheel set, wherein the second wheel set is arranged above the first wheel set, and the second wheel set is movably connected to the first wheel set via a connecting rod frame;

[0010] A traveling cable, wherein a first end of the traveling cable is fixedly connected to the inner side of the top of the limiting groove, and a second end of the traveling cable is fixedly connected to the elevator car after passing around the first wheel group;

[0011] A steel wire rope, wherein the first end of the steel wire rope is fixedly connected to the inner side of the top of the limiting groove, and the second end of the steel wire rope is fixedly connected to the elevator car after passing around the second wheel group.

[0012] Preferably, the side of the limiting groove facing the elevator car is open.

[0013] Further preferably, two groups of slide rails are provided, and the two groups of slide rails correspond to the two ends of the rotating shaft of the first wheel group respectively.

[0014] As a preferred embodiment, the first wheel set comprises:

[0015] A first shaft segment, wherein a first end of the first shaft segment is fixedly connected to a first sliding disk, a second end of the first shaft segment is fixedly connected to a threaded head, and a side surface of the first shaft segment is fixedly connected to a first ear;

[0016] a second shaft segment, wherein a second sliding plate is fixedly connected to a first end of the second shaft segment, a threaded hole is formed at a second end of the second shaft segment, and a second ear is fixedly connected to a side surface of the second shaft segment;

[0017] A guide wheel, wherein the threaded head is threadedly mounted on the threaded hole, and the guide wheel is rotatably mounted on the first shaft section and the second shaft section;

[0018] A limiting frame is rotatably connected to the first shaft segment and the second shaft segment, and the limiting frame is located outside the guide wheel.

[0019] Further preferably, two connecting rod frames are provided, and the two connecting rod frames are movably mounted with the first ear portion and the second ear portion.

[0020] Further preferably, the accompanying cable is located between the guide wheel and the limiting frame.

[0021] As another preference, an annular guide opening cooperating with the steel wire rope is provided on the outer side of the second wheel assembly.

[0022] Compared with the prior art, the beneficial effects of this application are:

[0023] (1) The utility model designs a limit groove, and sets a vertically sliding first wheel group inside the limit groove, and the first wheel group is used to keep the accompanying cable stable; and designs a steel wire rope, a second wheel group, and a connecting rod frame structure. As the elevator car is vertically lifted, the steel wire rope drives the second wheel group to move vertically, and then pulls the first wheel group through the connecting rod frame to follow the elevator car to move vertically. During the vertical lifting process of the elevator, the accompanying cable is always kept stable, thereby avoiding the occurrence of safety accidents and increasing the service life of the accompanying cable;

[0024] (2) The utility model specifically designs the first wheel assembly structure, adopts a structure in which the first shaft segment and the second shaft segment are inserted from both ends of the guide wheel and are threadedly connected. The ends of the first shaft segment and the second shaft segment are provided with sliding plates (referring to the first sliding plate and the second sliding plate) to facilitate installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the anti-swing limit groove device of the elevator accompanying cable;

[0026] Figure 2 This is a front schematic diagram of the anti-swing limit groove device for the elevator accompanying cable;

[0027] Figure 3 It is a three-dimensional schematic diagram of the slide rail, the first wheel group and the second wheel group of the elevator accompanying cable anti-swing limit groove device;

[0028] Figure 4 This is an exploded view of the first wheel group of the elevator's accompanying cable anti-swing limit groove device.

[0029] In the figure: 1. elevator car; 2. limit groove; 3. slide rail; 4. first wheel group; 401. first shaft section; 402. first sliding plate; 403. threaded head; 404. first ear; 405. limit frame; 406. guide wheel; 407. second shaft section; 408. second sliding plate; 409. second ear; 4010. threaded hole; 5. connecting rod frame; 6. second wheel group; 7. accompanying cable; 8. wire rope. DETAILED DESCRIPTION

[0030] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0032] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0033] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0034] like Figure 1-Figure 4 The elevator accompanying cable anti-swing limit groove device shown includes: a limit groove 2, a first wheel group 4, a second wheel group 6, a connecting rod frame 5, a traveling cable 7 and a steel wire rope 8.

[0035] Among them, the limit groove 2 is vertically arranged in the elevator shaft. The limit groove 2 can be a concrete structure groove reserved in the elevator shaft or an aluminum alloy structural member fixedly installed in the elevator shaft. The inner wall of the limit groove 2 is fixedly installed with a slide rail 3, and the slide rail 3 is vertically arranged. The first wheel group 4 is located inside the limit groove 2, and the rotating shaft of the first wheel group 4 is slidably connected with the slide rail 3, so that the first wheel group 4 slides vertically inside the limit groove 2 along the direction of the slide rail 3.

[0036] The second wheel set 6 is arranged above the first wheel set 4, and the second wheel set 6 and the first wheel set 4 are movably connected by the connecting rod frame 5, so that when the second wheel set 6 moves up and down, it can drive the first wheel set 4 to move up and down, and both ends of the connecting rod frame 5 structure are movably connected, so that the second wheel set 6 and the first wheel set 4 can move relative to each other within a certain limited range; for example, when the second wheel set 6 moves upward, the connecting rod frame 5 first rotates a certain amount, and when the connecting rod frame 5 is close to vertical, the connecting rod frame 5 pulls the first wheel set 4, and the subsequent movement is the synchronous movement of the second wheel set 6 and the first wheel set 4.

[0037] The first end of the traveling cable 7 is fixedly connected to the inner side of the top of the limiting groove 2, and the traveling cable 7 is electrically connected to the electrical components in the control box at the top of the elevator shaft. The second end of the traveling cable 7 is fixedly connected to the elevator car 1 after bypassing the first wheel group 4. Under the guidance of the first wheel group 4, the traveling cable 7 is approximately U-shaped, and each of the traveling cables 7 is in a straightened state, which is not prone to shaking or entanglement. The first end of the wire rope 8 is fixedly connected to the inner side of the top of the limiting groove 2, and the second end of the wire rope 8 is fixedly connected to the elevator car 1 after bypassing the second wheel group 6.

[0038] During the vertical lifting of the elevator car 1, the top end of the steel wire rope 8 with greater rigidity is first driven to move, so that the second wheel group 6 moves upward, and then the first wheel group 4 is pulled to slide on the slide rail 3 through the connecting rod frame 5. The second end of the traveling cable 7 will also move with the elevator car 1, but the traveling cable 7 does not bear a large force. It is only necessary to ensure that the traveling cable 7 moves close to the outside of the first wheel group 4.

[0039] In one embodiment, the side of the limiting groove 2 facing the elevator car 1 is open, three sides of the cross section of the limiting groove 2 are closed, and the side facing the elevator car 1 is open.

[0040] In one embodiment, two groups of slide rails 3 are provided, and the two groups of slide rails 3 correspond to the two ends of the rotating shaft of the first wheel group 4 respectively. The two groups of slide rails 3 are used to ensure that the first wheel group 4 can slide vertically stably.

[0041] In one embodiment, the first wheel set 4 includes: a first shaft segment 401 , a second shaft segment 407 , a guide wheel 406 and a limiting frame 405 .

[0042] Among them, the first end of the first shaft segment 401 is fixedly connected to the first sliding disk 402, the second end of the first shaft segment 401 is fixedly connected to the threaded head 403, the side of the first shaft segment 401 is fixedly connected to the first ear 404, the first end of the second shaft segment 407 is fixedly connected to the second sliding disk 408, the second end of the second shaft segment 407 is provided with a threaded hole 4010, the side of the second shaft segment 407 is fixedly connected to the second ear 409, the threaded head 403 is threadedly installed with the threaded hole 4010, the guide wheel 406 is rotatably installed on the first shaft segment 401 and the second shaft segment 407 to limit the frame 405, the limit frame 405 is rotatably connected to the first shaft segment 401 and the second shaft segment 407, and the limit frame 405 is located on the outside of the guide wheel 406.

[0043] like Figure 4 As shown in , the limiting frame 405 is first clamped on the outside of the guide wheel 406, and then the first shaft segment 401 and the second shaft segment 407 are inserted into the center hole of the guide wheel 406 from both ends, and the first shaft segment 401 and the second shaft segment 407 are threadedly installed together.

[0044] In one embodiment, two connecting rod frames 5 are provided, and the two connecting rod frames 5 are movably mounted on the first ear 404 and the second ear 409. The connecting rod frame 5 is movably connected to the first ear 404 or the second ear 409 by a pin, and the second wheel set 6 is located between the two connecting rod frames 5, and the second wheel set 6 is movably mounted on the connecting rod frame 5 by a pin shaft.

[0045] In one embodiment, the traveling cable 7 is located between the guide wheel 406 and the limiting frame 405 to prevent the traveling cable 7 from escaping from the guide wheel 406 .

[0046] In one embodiment, an annular guide opening cooperating with the steel wire rope 8 is provided on the outer side of the second wheel assembly 6 for positioning the steel wire rope 8 to prevent the steel wire rope 8 from swinging along the axial direction of the second wheel assembly 6 .

[0047] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An elevator accompanying cable anti-swing limit groove device, characterized in that: include: A limiting groove, wherein the limiting groove is vertically arranged in the elevator shaft, and a slide rail is fixedly installed on the inner side wall of the limiting groove; A first wheel group, wherein the first wheel group is located inside the limiting groove, and a rotating shaft of the first wheel group is slidably connected to the slide rail; A second wheel set, wherein the second wheel set is arranged above the first wheel set, and the second wheel set is movably connected to the first wheel set via a connecting rod frame; A traveling cable, wherein a first end of the traveling cable is fixedly connected to the inner side of the top of the limiting groove, and a second end of the traveling cable is fixedly connected to the elevator car after passing around the first wheel group; A steel wire rope, wherein the first end of the steel wire rope is fixedly connected to the inner side of the top of the limiting groove, and the second end of the steel wire rope is fixedly connected to the elevator car after passing around the second wheel group.

2. The elevator accompanying cable anti-swing limit groove device according to claim 1, characterized in that: The side of the limiting groove facing the elevator car is open.

3. The elevator accompanying cable anti-swing limit groove device according to claim 2, characterized in that: The slide rails are provided in two groups, and the two groups of slide rails correspond to the two ends of the rotating shaft of the first wheel group respectively.

4. The elevator accompanying cable anti-swing limit groove device according to claim 1, characterized in that: The first wheel set comprises: A first shaft segment, wherein a first end of the first shaft segment is fixedly connected to a first sliding disk, a second end of the first shaft segment is fixedly connected to a threaded head, and a side surface of the first shaft segment is fixedly connected to a first ear; a second shaft segment, wherein a second sliding plate is fixedly connected to a first end of the second shaft segment, a threaded hole is formed at a second end of the second shaft segment, and a second ear is fixedly connected to a side surface of the second shaft segment; A guide wheel, wherein the threaded head is threadedly mounted on the threaded hole, and the guide wheel is rotatably mounted on the first shaft section and the second shaft section; A limiting frame is rotatably connected to the first shaft segment and the second shaft segment, and the limiting frame is located outside the guide wheel.

5. The elevator accompanying cable anti-swing limit groove device according to claim 4, characterized in that: The connecting rod frames are provided with two, and the two connecting rod frames are movably mounted with the first ear part and the second ear part.

6. The elevator accompanying cable anti-swing limit groove device according to claim 4, characterized in that: The accompanying cable is located between the guide wheel and the limiting frame.

7. The elevator accompanying cable anti-swing limit groove device according to claim 1, characterized in that: The outer side of the second wheel group is provided with an annular guide opening which cooperates with the steel wire rope.

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