Device for preventing car bottom guide wheel from being separated from groove
By using the guide wheel frame and replaceable side rope plate assembly, the problem of inconvenient adjustment of the elevator car bottom guide wheel anti-derailment structure is solved, realizing quick disassembly and gap adjustment, adapting to different wire rope diameters, and simplifying the installation and maintenance process.
Patent Information
- Application Number
- CN202422711148.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-07
AI Technical Summary
The existing anti-derailment structure of elevator car bottom guide wheels is inconvenient when adjusting the wire rope gap, especially for car bottom guide wheels with large loads. The fixed structure is difficult to form a safe anti-derailment gap, and the adjustment is complicated and not conducive to installation and maintenance.
It adopts a guide wheel frame, replaceable side rope guards and bottom rope guards, and achieves adjustable anti-derailment gap through bolt connection. Replaceable shims and side rope guards can be used to adapt to different wire rope diameters, simplifying the installation and maintenance process.
It enables quick assembly and disassembly of wire ropes and gap adjustment, facilitating installation and maintenance, adapting to different wire rope thicknesses, requiring minimal modifications, and economically transforming existing car bottom guide wheel structures.
Smart Images

Figure CN223457950U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of elevator equipment, and particularly relates to a car bottom guide wheel anti-off groove device. BACKGROUND
[0002] In the prior art, the elevator car top guide wheel or car bottom guide wheel is provided with a protective cover, and a guide groove for embedding a steel wire rope is arranged on the guide wheel, but the gap adjustment of the rope blocking structure in the protective cover is inconvenient, especially the anti-off groove structure of the car bottom guide wheel structure with large load, for the car bottom guide wheel structure with large load, the lower steel wire rope protective cover not only plays the role of the steel wire rope protective cover but also acts as a structural part for sharing the force of the car, and for different sizes of such structure, the steel wire rope anti-off groove structure is often fixed and cannot form a relatively safe anti-off groove gap, or the adjustment mode is complex and is not conducive to installation and maintenance. SUMMARY
[0003] In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a car bottom guide wheel anti-off groove device which has the effect of simply and adjustably adjusting the gap between the steel wire rope and the device.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A car bottom guide wheel anti-off groove device, comprising a guide wheel frame, a replaceable side rope blocking plate and a lower rope blocking assembly;
[0006] One end of the guide wheel frame is provided with an opening for arranging the guide wheel and the steel wire rope;
[0007] The replaceable side rope blocking plate is connected to one end of the opening of the guide wheel frame and arranged on the outer side of the opening end of the guide wheel frame;
[0008] The lower rope blocking assembly is arranged on the inner side wall of the guide wheel frame close to the opening end and corresponding to the guide wheel, and is used for blocking the steel wire rope wound on the guide wheel from escaping from the guide groove on the guide wheel;
[0009] The lower rope blocking assembly comprises a lower rope blocking plate and a replaceable gasket;
[0010] The lower surface of the replaceable gasket abuts against the inner side wall of the guide wheel frame;
[0011] The lower rope blocking plate abuts against the upper surface of the replaceable gasket;
[0012] The lower rope blocking plate is installed on the inner side wall of the guide wheel frame by screw thread connection of the bolt;
[0013] The replaceable gasket is provided with a mounting guide groove for penetrating the bolt rod.
[0014] Preferably, the installation guide groove of the replaceable gasket is long strip-shaped, and two installation guide grooves are arranged in parallel.
[0015] Preferably, the lower rope blocking plate is provided with a threaded hole corresponding to the position of the installation guide groove, and the threaded hole is used for connecting a bolt.
[0016] Further, the guide wheel frame is provided with a bolt hole corresponding to the position of the threaded hole of the lower rope blocking plate, and the bolt hole is used for mounting the lower rope blocking assembly on the inner side wall of the guide wheel frame by cooperating with the bolt.
[0017] Preferably, the replaceable gaskets with different thicknesses are used to form a gap for preventing the steel wire rope from falling off the guide groove of the guide wheel.
[0018] Preferably, the replaceable side rope blocking plate is a long strip-shaped plate member with a bend;
[0019] The replaceable side rope blocking plate is used to block the steel wire rope wound on the guide wheel from falling off the guide groove of the guide wheel.
[0020] The two ends of the replaceable side rope blocking plate are respectively detachably connected with the guide wheel frame, and the middle part is outwardly protruding.
[0021] Further, the replaceable side rope blocking plates with different protruding heights are used to form another gap for preventing the steel wire rope from falling off the guide groove of the guide wheel.
[0022] Preferably, the opposite end of the guide wheel frame is also provided with an opening for arranging another guide wheel and the steel wire rope.
[0023] Further, the opposite end opening of the guide wheel frame corresponds to the inner side wall of the other guide wheel, and is provided with another lower rope blocking assembly.
[0024] Further, the opposite end opening of the guide wheel frame is detachably connected with another replaceable side rope blocking plate.
[0025] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0026] (1) The lower rope blocking assembly of the steel wire rope is simple, and can realize the effect of quick disassembly and assembly, and is convenient for installation and maintenance.
[0027] (2) The lower rope blocking assembly has the function of adjusting the gap between the steel wire rope and the lower rope blocking plate, and can be reasonably set according to the thickness of the actual steel wire rope.
[0028] (3) Based on the existing guide wheel structure at the bottom of the car, the rope blocking mechanism can be added to the existing guide wheel structure at the bottom of the car, especially the change amount of the guide wheel structure at the bottom of the car is small, which is convenient for large-scale cutting and economic transformation of the existing guide wheel structure at the bottom of the car. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 It is the three-dimensional structure schematic view of the car bottom guide wheel anti-off groove device of the utility model;
[0030] Figure 2 It is the three-dimensional structure schematic view of the car bottom guide wheel anti-off groove device of the utility model; Figure 1 It is the partial front structure schematic view of the second guide wheel;
[0031] Figure 3 It is the three-dimensional structure schematic view of the car bottom guide wheel anti-off groove device of the utility model; Figure 1 It is the partial side structure schematic view of the second guide wheel;
[0032] Figure 4 It is the structure schematic view of the lower rope blocking plate;
[0033] Figure 5 It is the structure schematic view of the replaceable thickness quick-release gasket;
[0034] In the figure: 1-steel wire rope, 2-first guide wheel, 3-second guide wheel, 4-wheel shaft, 5-upper frame, 6-lower frame, 7-wheel shaft limiting plate, 8-shaft mounting plate, 9-replaceable side rope blocking plate, 10-lower rope blocking plate, 11-replaceable gasket, 12-mounting guide groove. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0036] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure.
[0037] In addition, the terms "first", "second", "third" are only for description purposes and cannot be understood as indicating or implying relative importance. Similarly, "one", "an" or "the" and the like similar words do not represent quantity limitation, but represent the existence of at least one. The words "include" or "contain" and the like mean that the elements or objects appearing before the words cover the elements or objects listed after the words and their equivalents, and do not exclude other elements or objects. The words "electrically connected" or "connected" and the like are not limited to physical or mechanical electrical connection, but can include electrical connection, whether direct or indirect. EMBODIMENT
[0038] As shown in Figures 1-5 The embodiment provides a kind of car bottom guide wheel anti-off groove device, including guide wheel frame, replaceable side rope board 9, lower rope assembly.
[0039] As shown in Figure 1 And Figure 2 As shown in the figure.The one end of guide wheel frame is provided with opening, for setting second guide wheel 3 with steel wire rope 1;The opposite end of guide wheel frame is also provided with opening, for setting first guide wheel 2 with steel wire rope 1.First guide wheel 2, second guide wheel 3 are all provided with guide groove, and steel wire rope 1 is abutted in guide groove;Steel wire rope 1 is abutted with the position of one fourth circular arc left lower of second guide wheel 3, and steel wire rope 1 is abutted with the position of one fourth circular arc right lower of first guide wheel 2.
[0040] Specifically, guide wheel frame is composed of upper frame 5, lower frame 6, axle limiting plate 7, four axle mounting plates 8;Upper frame 5, lower frame 6 are respectively two mutually parallel rectangular plate materials;The left and right ends of upper frame 5, lower frame 6 are respectively with two parallel square axle mounting plates 8, and are mutually fastened by the thread connection of bolt and nut;Axle mounting plate 8 is provided with through hole for installing guide wheel axle, and the outside of through hole is provided with axle limiting plate 7 for limiting guide wheel axle to prevent guide wheel from moving up and down, and axle limiting plate 7 and axle mounting plate 8 are mutually fastened by the thread connection of bolt and nut;Wherein, the left end of upper frame 5, lower frame 6 is formed by surrounding two axle mounting plates 8 to form the opening of one end of guide wheel frame corresponding to second guide wheel 3, and the right end of upper frame 5, lower frame 6 is formed by surrounding other two axle mounting plates 8 to form the opening of opposite end of guide wheel frame corresponding to first guide wheel 2.
[0041] As shown in Figures 1 to 5 Replaceable side rope board 9 is connected with the left end of guide wheel frame opening, and is arranged on the outside of the left end opening of guide wheel frame.Replaceable side rope board 9 is a long strip-shaped plate member with bending.Replaceable side rope board 9 is used to block the steel wire rope 1 wound on guide wheel from leaving guide groove on guide wheel.The two ends of replaceable side rope board 9 are respectively detachably connected with guide wheel frame, and specifically bolt and nut are used for mutual fastening to achieve the effect of convenient disassembly and replaceability, and the middle part is outwardly convex.Another replaceable side rope board 9 is detachably connected with the outside of right end opening of guide wheel frame, and is symmetrically arranged with replaceable side rope board 9 on the left end.Different convex heights of replaceable side rope board 9 are used to cooperate with guide wheel to form a reasonable anti-off groove gap for different caliber steel wire rope 1, which can neither make steel wire rope 1 rub replaceable side rope board 9 at this place to affect the movement of steel wire rope, nor block steel wire rope 1 from leaving guide groove on guide wheel at this place.
[0042] The lower rope stop assembly is located on the inner sidewall of the guide wheel frame, near the left end opening, corresponding to the second guide wheel 3, and is used to prevent the wire rope 1 wound around the guide wheel from escaping the guide groove on the guide wheel. Another lower rope stop assembly is symmetrically located on the inner sidewall of the first guide wheel 2, corresponding to the right end opening of the guide wheel frame.
[0043] Combine Figures 3 to 5 As shown. The lower rope stop assembly is provided in a lower rope stop plate 10 and a replaceable gasket 11. The lower surface of the replaceable gasket 11 abuts against the inner wall of the guide wheel frame; the lower rope stop plate 10 abuts against the upper surface of the replaceable gasket 11; the lower rope stop plate 10 is installed on the inner wall of the guide wheel frame by a threaded connection of a bolt, pressing against the replaceable gasket 11. The replaceable gasket 11 is provided with a mounting guide groove 12 for passing the bolt rod; the mounting guide groove 12 of the replaceable gasket 11 is long and there are two of them, and the two mounting guide grooves 12 are arranged parallel to each other. The lower rope stop plate 10 is provided with a threaded through hole at a position corresponding to the mounting guide groove 12, and the threaded through hole is used to connect the bolt. The lower frame 6 of the guide wheel frame is provided with a bolt through hole at a position corresponding to the threaded through hole of the lower rope stop plate 10, and the bolt through hole is used to cooperate with the bolt to mount the lower rope stop assembly on the inner wall of the lower frame 6 of the guide wheel frame. The replaceable gaskets 11 of different thicknesses are used to cooperate with the guide wheel to form an anti-slip groove gap for steel wire ropes 1 of different calibers. This will not cause the steel wire rope 1 to rub against the lower rope stop plate 10 at this point and affect the movement of the steel wire rope, but will also prevent the steel wire rope 1 from escaping from the guide groove on the guide wheel at this point. The replaceable gasket 11, the lower rope stop plate 10 and the guide wheel frame are fastened to each other with bolts and nuts, which can cooperate with the installation guide groove 12 of the replaceable gasket 11. When it is necessary to replace the replaceable gasket 11 of different thicknesses, only the bolts and nuts need to be loosened to quickly pull out the old replaceable gasket 11 and install the new one, achieving the effect of convenient disassembly and replacement.
[0044] Compared with the prior art, this embodiment has the following advantages:
[0045] (1) The lower rope stop assembly of the wire rope is simple and can be quickly disassembled and assembled, making it easy to install and maintain;
[0046] (2) The lower rope stop assembly has the function of adjusting the gap between the wire rope and the lower rope stop plate, which can be reasonably set according to the actual thickness of the wire rope;
[0047] (3) Based on the improvement of the existing car bottom guide wheel structure, it is convenient to add a rope blocking mechanism to the existing car bottom guide wheel structure. In particular, the modification of the car bottom guide wheel structure is small, which is convenient for large-scale and economical transformation of the existing car bottom guide wheel structure.
[0048] The above embodiment is the preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, and all are included in the protection scope of the present application.
Claims
1. A device for preventing a guide wheel of a cage from coming off a groove, characterized in that, The invention relates to a guide wheel frame, a replaceable side rope blocking plate, and a lower rope blocking assembly. One end of the guide wheel frame is provided with an opening for setting a guide wheel and a steel wire rope. The replaceable side rope blocking plate is connected to one end of the opening of the guide wheel frame and is arranged outside one end of the opening of the guide wheel frame. The lower rope blocking assembly is arranged on the inner side wall of the guide wheel frame close to one end of the opening and corresponds to the guide wheel, and is used for blocking the steel wire rope wound on the guide wheel from the guide groove on the guide wheel. The lower rope blocking assembly comprises a lower rope blocking plate and a replaceable gasket. The lower surface of the replaceable gasket abuts against the inner side wall of the guide wheel frame. The lower rope blocking plate abuts against the upper surface of the replaceable gasket. The lower rope blocking plate is installed on the inner side wall of the guide wheel frame by screwing the replaceable gasket. The replaceable gasket is provided with a mounting guide groove for passing through the rod of the screw.
2. The car bottom guide wheel anti-off groove device according to claim 1, characterized in that, The mounting guide groove of the replaceable gasket is long strip-shaped and is provided with two mounting guide grooves arranged in parallel with each other.
3. The device according to claim 1, wherein The lower rope blocking plate is provided with a threaded through hole corresponding to the position of the mounting guide groove, and the threaded through hole is used for connecting the screw.
4. The car bottom guide wheel anti-extraction groove device according to claim 3, characterized in that, The guide wheel frame is provided with a screw hole corresponding to the position of the threaded through hole of the lower rope blocking plate, and the screw hole is used for cooperating with the screw to install the lower rope blocking assembly on the inner side wall of the guide wheel frame.
5. The car guide wheel anti-extraction groove device according to claim 1, wherein The replaceable gasket with different thicknesses is used for cooperating with the guide wheel to form a gap for preventing the steel wire rope with different diameters from falling off the guide groove.
6. The car guide wheel anti-extraction groove device according to claim 1, wherein The replaceable side rope blocking plate is a long strip-shaped plate with a bend. The replaceable side rope blocking plate is used for blocking the steel wire rope wound on the guide wheel from the guide groove on the guide wheel. The two ends of the replaceable side rope blocking plate are respectively detachably connected to the guide wheel frame, and the middle part is outwardly protruded.
7. The car guide wheel anti-extraction groove device according to claim 6, wherein The replaceable side rope blocking plate with different protrusion heights is used for cooperating with the guide wheel to form another gap for preventing the steel wire rope with different diameters from falling off the guide groove.
8. The anti-escape groove device for the guide wheel of the cage bottom according to claim 1, characterized in that, The opposite end of the guide wheel frame is also provided with an opening for setting another guide wheel and a steel wire rope.
9. The car guide wheel anti-extraction groove device according to claim 8, wherein, The opposite end of the guide wheel frame is provided with another lower rope blocking assembly corresponding to the inner side wall of the other guide wheel.
10. The anti-escape groove device for a guide wheel of a cage bottom according to claim 8, wherein The opposite end of the guide wheel frame is detachably connected to another replaceable side rope blocking plate outside the opening.