Anti-winding and anti-abrasion device for cable of rotary trolley

Abstract

The utility model relates to the technical field of loader slewing mechanisms, and discloses a rotary trolley cable anti-winding and anti-abrasion device which comprises a slewing bearing, the bottom of the slewing bearing is fixedly connected with a slewing bearing lower fixing frame, and the slewing bearing lower fixing frame is welded to a trolley walking base. The top of the slewing bearing is fixedly connected with a slewing bearing upper fixing frame, the top of the slewing bearing lower fixing frame is provided with a cable steering device, the cable steering device is located in the middle of the slewing bearing, and one side of the slewing bearing upper fixing frame is provided with a cable adjusting device. By means of the cable steering device arranged between the upper cable adjusting device and the lower cable adjusting device, the cable can be driven to rotate freely along with the trolley without deviation or winding, normal operation of equipment is guaranteed, and the cable steering device is installed in the center of the slewing bearing and in the slewing bearing and does not occupy other space.

Description

Technical Field

[0001] The utility model relates to the technical field of a loader slewing mechanism, in particular to an anti-winding and anti-wearing device for a rotating trolley cable. Background Art

[0002] The anti-winding and anti-wearing device for a rotating trolley cable is a device for regulating cable winding. When the trolley rotates, the cables will be wound together and also wound around mechanical components. This will not only cause damage to the transporter, but also cause serious wear to the cables, resulting in the machine being unable to operate normally. Therefore, it is very necessary to design an anti-winding and anti-wearing device for a rotating trolley cable.

[0003] Currently, many inlets of the transporter on the rotary trolley are in the middle position. For those on one side, a cable slip ring needs to be installed to prevent the cable from rotating and winding. However, the conductive slip ring with more than 30 cores occupies a large space. The roadway space of the trolley in general projects cannot meet the installation space required by the slip ring, and its cost is high, debugging is inconvenient, and maintenance is complex. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides an anti-winding and anti-wearing device for a rotating trolley cable, which includes a slewing bearing. The bottom of the slewing bearing is fixedly connected with a lower fixed frame of the slewing support, and the lower fixed frame of the slewing support is welded on the trolley walking base. The top of the slewing bearing is fixedly connected with an upper fixed frame of the slewing support. A cable steering device is installed on the top of the lower fixed frame of the slewing support, and the cable steering device is located in the middle of the slewing bearing. A cable adjusting device is installed on one side of the upper fixed frame of the slewing support.

[0005] Preferably, the upper fixed frame of the slewing support includes a small cross beam, a mounting plate for the cable adjusting device, a positioning plate, a support top plate reinforcement plate, and a slewing support top plate. The top of the slewing bearing is fixedly connected with the slewing support top plate. The support top plate reinforcement plate is installed on the top of the slewing support top plate. The small cross beam is fixedly connected to the top of the support top plate reinforcement plate. The mounting plate for the cable adjusting device is installed on one side of the small cross beam close to the cable steering device. The positioning plate is fixedly connected to the top of the support top plate reinforcement plate.

[0006] Preferably, the upper fixed frame of the slewing support is welded by the small cross beam, the mounting plate for the cable adjusting device, the positioning plate, the support top plate reinforcement plate, and the slewing support top plate.

[0007] Preferably, the lower fixing frame of the slewing support includes a connecting plate, a slewing bearing bottom plate, a support angle steel, an angle steel beam and a wire threading pipe. The slewing bearing bottom plate is fixedly connected to the top of the angle steel beam. A connecting plate is installed at the center of the top of the angle steel beam. A plurality of the angle steel beams and the support angle steels are provided. The support angle steel is fixedly connected between the angle steel beams. The slewing bearing bottom plate is located on the top of the support angle steel. The wire threading pipe is installed inside the angle steel beam, and the direction of the wire threading pipe is the same as that of the angle steel beam;

[0008] Preferably, the lower fixing frame of the slewing support is welded by the connecting plate, the slewing bearing bottom plate, the support angle steel, the angle steel beam and the wire threading pipe;

[0009] Preferably, the cable adjusting device includes fixing seats, bolt pairs, cable sliders and cable nylon clips. There are two groups of fixing seats, with two in one group. One group of fixing seats is installed on one side of the cable adjusting device close to the cable turning device, and the other group of fixing seats is installed at the bottom of the connecting plate;

[0010] Preferably, a hollow groove is formed in the fixing seat, and a bolt pair is installed in the hollow groove. The number of the bolt pairs is the same as that of the fixing seats. A cable slider is fixedly connected between one group of fixing seats. A circular groove is formed in the center of the cable slider. A cable nylon clip is installed on the top of the cable slider. There are two cable nylon clips. The cable nylon clips are fixed to the fixing seat by bolts and nuts. The circular groove formed in the cable slider is adapted to the circular hole formed by the two cable nylon clips;

[0011] Preferably, the cable turning device includes a bushing, a bearing, a bearing cover, a shaft circlip and a nylon sleeve. The bushing is fixedly connected to the top of the connecting plate. The nylon sleeve is installed on the top of the bushing. The shaft circlip is installed on one side of the nylon sleeve. The bearing is installed on the top of the shaft circlip. The bearing cover is installed on the top of the bearing. The bushing is fixed by the cooperation of the bearing cover and the hexagon socket head cap screw.

[0012] In summary, the present utility model has the following beneficial effects:

[0013] 1. By arranging the cable adjusting device on the lower fixing frame of the slewing support, the position of the cable can be determined and fixed. By arranging the cable turning device, the cable can enter the cable adjusting device on the upper fixing frame of the slewing support through the cable turning device, and the position can be determined and fixed again above, so that the cable can smoothly enter the power supply inlet on one side of the transporter;

[0014] 2. The cable steering device of the present utility model, which is arranged between the upper and lower cable adjusting devices, can drive the cable to freely rotate with the trolley, and will not shift or tangle, ensuring the normal operation of the equipment. Moreover, the cable steering device is installed at the center position of the slewing bearing and inside it, without occupying other spaces.

[0015] 3. By setting the upper cable adjusting device of the present utility model, the installation position can be determined according to the power supply inlet point of the transporter, making the installation process simple, improving the control accuracy and positioning accuracy of the cable. By setting the lower cable adjusting device, and the lower cable adjusting device is arranged near the cable steering device, the rotation length of the cable is reduced, and the wear rate of the cable is lowered. Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of a cable anti-winding and anti-wearing device for a rotating trolley;

[0017] Figure 2 is a bottom structural schematic diagram of a cable anti-winding and anti-wearing device for a rotating trolley;

[0018] Figure 3 is a structural schematic diagram of the upper fixing frame of the slewing bearing of a cable anti-winding and anti-wearing device for a rotating trolley;

[0019] Figure 4 is a structural schematic diagram of the lower fixing frame of the slewing bearing of a cable anti-winding and anti-wearing device for a rotating trolley;

[0020] Figure 5 is a structural schematic diagram of a cable adjusting device of a cable anti-winding and anti-wearing device for a rotating trolley;

[0021] Figure 6 is a structural schematic diagram of a cable steering device of a cable anti-winding and anti-wearing device for a rotating trolley;

[0022] Figure 7 is a structural schematic diagram of the internal structure of a cable steering device of a cable anti-winding and anti-wearing device for a rotating trolley.

[0023] Description of the Reference Numerals:

[0024] 1. Upper fixing frame of the slewing bearing; 2. Lower fixing frame of the slewing bearing; 3. Cable adjusting device; 4. Cable steering device; 5. Slewing bearing; 6. Small cross beam; 7. Cable adjusting device mounting plate; 8. Positioning plate; 9. Support top plate reinforcement plate; 10. Slewing bearing top plate; 11. Connecting plate; 12. Slewing bearing bottom plate; 13. Support angle steel; 14. Angle steel beam; 15. Conduit; 16. Fixed seat; 17. Bolt pair; 18. Cable slider; 19. Cable nylon clip; 20. Bush; 21. Bearing; 22. Bearing cover; 23. Shaft retaining ring; 24. Nylon sleeve. Detailed implementation mode

[0025] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0026] Please refer to Figure 1-7 , a rotating trolley cable anti-winding and anti-wearing device, which includes a slewing bearing 5. A lower fixed frame 2 of the slewing support is fixedly connected to the bottom of the slewing bearing 5. The lower fixed frame 2 of the slewing support is welded to the trolley traveling base. An upper fixed frame 1 of the slewing support is fixedly connected to the top of the slewing bearing 5. A cable steering device 4 is installed on the top of the lower fixed frame 2 of the slewing support. The cable steering device 4 is located in the middle of the slewing bearing 5. A cable adjusting device 3 is installed on one side of the upper fixed frame 1 of the slewing support. The slewing bearing 5 is used to install the lower fixed frame 2 of the slewing support and the upper fixed frame 1 of the slewing support. The lower fixed frame 2 of the slewing support and the upper fixed frame 1 of the slewing support are used to install the cable adjusting device 3. The cable steering device 4 is located in the middle of the slewing bearing 5 and does not occupy other spaces;

[0027] The upper fixed frame 1 of the slewing support includes a small cross beam 6, a cable adjusting device mounting plate 7, a positioning plate 8, a support top plate reinforcing plate 9 and a slewing support top plate 10. The slewing support top plate 10 is fixedly connected to the top of the slewing bearing 5. The support top plate reinforcing plate 9 is installed on the top of the slewing support top plate 10. The small cross beam 6 is fixedly connected to the top of the support top plate reinforcing plate 9. The cable adjusting device mounting plate 7 is installed on the side of the small cross beam 6 close to the cable steering device 4. The positioning plate 8 is fixedly connected to the top of the support top plate reinforcing plate 9. The upper fixed frame 1 of the slewing support is positioned and welded to the trolley slewing frame through the positioning plate 8 to improve the positioning accuracy. The upper fixed frame 1 of the slewing support is welded by the small cross beam 6, the cable adjusting device mounting plate 7, the positioning plate 8, the support top plate reinforcing plate 9 and the slewing support top plate 10;

[0028] The lower fixed frame 2 of the slewing bearing includes a connecting plate 11, a slewing bearing bottom plate 12, supporting angle steels 13, angle steel beams 14 and cable conduits 15. The top of the angle steel beam 14 is fixedly connected to the slewing bearing bottom plate 12. A connecting plate 11 is installed at the center of the top of the angle steel beam 14. There are several angle steel beams 14 and supporting angle steels 13. The supporting angle steels 13 are fixedly connected between the angle steel beams 14. The slewing bearing bottom plate 12 is located on the top of the supporting angle steels 13. The cable conduit 15 is installed inside the angle steel beam 14, and the direction of the cable conduit 15 is the same as that of the angle steel beam 14. The cable adjusting device 3 is fixed below the connecting plate 11, and the cable turning device 4 is fixed above the connecting plate 11. The two devices are installed on the same connecting plate 11, effectively controlling the rotation length and rotation path of the cable, making the debugging process convenient and facilitating maintenance. The lower fixed frame 2 of the slewing bearing is welded by the connecting plate 11, the slewing bearing bottom plate 12, the supporting angle steels 13, the angle steel beams 14 and the cable conduits 15;

[0029] The cable adjusting device 3 includes a fixed seat 16, a bolt pair 17, a cable slider 18 and a cable nylon clip 19. There are two groups of fixed seats 16. One group has two. One group of fixed seats 16 is installed on one side of the cable adjusting device 3 close to the cable turning device 4, and the other group of fixed seats 16 is installed at the bottom of the connecting plate 11.

[0030] A hollow groove is opened on the fixed seat 16, and a bolt pair 17 is installed in the hollow groove. The number of the bolt pairs 17 is the same as the number of the fixed seats 16. A cable slider 18 is fixedly connected between one group of the fixed seats 16. A circular groove is opened at the center of the cable slider 18. A cable nylon clip 19 is installed on the top of the cable slider 18. There are two cable nylon clips 19. The cable nylon clips 19 are fixed on the fixed seat 16 by bolts and nuts. The circular groove opened on the cable slider 18 is adapted to the circular hole formed by the two cable nylon clips 19. One group of cable adjusting devices 3 is installed on the side closest to the cable turning device 4 to reduce the cable rotation length and reduce the cable wear rate. The installation position of the other group of cable adjusting devices 3 is determined according to the power supply introduction point of the transporter, making the installation process simple, improving the cable control accuracy and positioning accuracy. The cable between the two groups of cable adjusting devices 3 is movable, effectively controlling the movable length of the cable. Adjust the inclination angles of the cable slider 18 and the cable nylon clip 19 according to the cable running direction to prevent the cable from running off and shifting. The cable nylon clip 19 can effectively reduce the cable wear rate;

[0031] The cable steering device 4 includes a bushing 20, a bearing 21, a bearing cover 22, a shaft snap ring 23 and a nylon sleeve 24. The bushing 20 is fixedly connected to the top of the connecting plate 11. A nylon sleeve 24 is installed on the top of the bushing 20. A shaft snap ring 23 is installed on one side of the nylon sleeve 24. A bearing 21 is installed on the top of the shaft snap ring 23. A bearing cover 22 is installed on the top of the bearing 21. The bushing 20 is fixed by the cooperation of the bearing cover 22 and the hexagon socket head cap screw. The cable steering device 4 is passed through the connecting plate 11 on the lower fixing frame 2 of the slewing bearing and installed above it by adjusting through the straight notch on the bushing 20, so that the cable steering device 4 rotates smoothly. The nylon sleeve 24 is made of nylon material, effectively reducing the wear rate of the cable.

[0032] The working principle of the utility model is as follows: the cable is positioned and fixed by the cable adjusting device 3 on the lower fixing frame 2 of the slewing support, and then enters the cable adjusting device 3 on the upper fixing frame 1 of the slewing support through the cable steering device 4, and is positioned and fixed again at the top, so that the cable can smoothly enter the power supply inlet on one side of the carrier. The cable between the upper and lower cable adjusting devices 3 can freely follow the trolley rotation under the drive of the cable steering device 4, and will not deviate or entangle, ensuring the normal operation of the equipment. The cable steering device 4 is installed at the center of the slewing support 5 and inside it, and will not occupy other space. The cable adjusting device 3 below It is installed at the place closest to the cable steering device 4 to reduce the cable rotation length and the cable wear rate. The cable adjustment device 3 above determines the installation position according to the power supply introduction point of the carrier, which simplifies the installation process and improves the control accuracy and positioning accuracy of the cable. The cable steering device 4 is fixed to the connecting plate 11 by a bolt pair 17. The straight notch on the connecting plate 11 facilitates the introduction of the cable into the carrier, which is easy to install. The upper fixing frame 1 of the slewing support is welded to the slewing frame of the trolley through the positioning plate 8, which improves the positioning accuracy. The lower fixing frame 2 of the slewing support is welded to the walking base of the trolley. The cable coming out of the base distribution box enters through the threading tube 15. The cable adjusting device 3 is fixed to the bottom of the connecting plate 11 by a bolt pair 17, and the cable steering device 4 is fixed to the top of the connecting plate 11 by a bolt pair 17. The two devices are installed on the same connecting plate 11, which effectively controls the rotation length and rotation path of the cable, making the debugging process convenient and easy to maintain. The cable slider 18 is installed on the fixing seat 16, and the fixing seat 16 is respectively installed on the bottom of the connecting plate 11 of the lower fixing frame 2 of the slewing support and one side of the connecting plate 11 of the upper fixing frame 1 of the slewing support through the straight slot adjustment position. The cable coming out of the threading tube 15 passes through the cable slider 18, is fixed by the cable nylon clamp 19, and then enters the cable turning Toward device 4, and then enter the cable slider 18 above and fix it on the outside with the cable nylon clamp 19, so that only the cable between the two cable adjustment devices 3 is active, which effectively controls the active length of the cable. The inclination angles of the cable slider 18 and the cable nylon clamp 19 are adjusted according to the direction of the cable to prevent the cable from running out of position. The cable nylon clamp 19 can effectively reduce the wear rate of the cable. The cable steering device 4 is adjusted through the straight groove on the shaft sleeve 20 to pass through the connecting plate 11 on the fixed frame 2 under the slewing support, and it is installed above it, so that the cable steering device 4 rotates smoothly. The nylon sleeve 24 is made of nylon, which effectively reduces the wear rate of the cable.

[0033] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art and related fields based on the embodiments in the present utility model without creative efforts shall fall within the scope of protection of the present utility model. Structures, devices, and operation methods not specifically described and explained in the present utility model shall be implemented by conventional means in the art without special instructions and limitations.

Claims

1. A rotary trolley cable anti-winding and anti-wear device, comprising a slewing bearing (5), characterized in that: The bottom of the slewing bearing (5) is fixedly connected to a slewing support lower fixing frame (2), the slewing support lower fixing frame (2) is welded to the trolley walking base, the top of the slewing bearing (5) is fixedly connected to a slewing support upper fixing frame (1), the top of the slewing support lower fixing frame (2) is equipped with a cable steering device (4), the cable steering device (4) is located in the middle of the slewing bearing (5), and a cable adjustment device (3) is installed on one side of the slewing support upper fixing frame (1).

2. The cable anti-winding and anti-wear device for a rotary trolley according to claim 1, characterized in that: The slewing support upper fixing frame (1) comprises a small crossbeam (6), a cable adjustment device mounting plate (7), a positioning plate (8), a support top plate reinforcement plate (9) and a slewing support top plate (10); the top of the slewing support (5) is fixedly connected to the slewing support top plate (10); the top of the slewing support top plate (10) is mounted with the support top plate reinforcement plate (9); the top of the support top plate reinforcement plate (9) is fixedly connected to the small crossbeam (6); a cable adjustment device mounting plate (7) is mounted on a side of the small crossbeam (6) close to the cable steering device (4); and the top of the support top plate reinforcement plate (9) is fixedly connected to the positioning plate (8).

3. The cable anti-winding and anti-wear device for a rotary trolley according to claim 2, characterized in that: The slewing support upper fixing frame (1) is formed by welding the small cross beam (6), the cable adjustment device mounting plate (7), the positioning plate (8), the support top plate reinforcement plate (9) and the slewing support top plate (10).

4. The cable anti-winding and anti-wear device for a rotary trolley according to claim 1, characterized in that: The slewing support lower fixed frame (2) comprises a connecting plate (11), a slewing support bottom plate (12), a supporting angle steel (13), an angle steel beam (14) and a threading tube (15); the top of the angle steel beam (14) is fixedly connected to the slewing support bottom plate (12); the connecting plate (11) is installed at the center of the top of the angle steel beam (14); a plurality of angle steel beams (14) and supporting angle steels (13) are provided; the supporting angle steels (13) are fixedly connected between the angle steel beams (14); the slewing support bottom plate (12) is located at the top of the supporting angle steel (13); the threading tube (15) is installed inside the angle steel beam (14); and the direction of the threading tube (15) is consistent with the direction of the angle steel beam (14).

5. The cable anti-winding and anti-wear device for a rotary trolley according to claim 4, characterized in that: The slewing support lower fixing frame (2) is formed by welding the connecting plate (11), the slewing support bottom plate (12), the supporting angle steel (13), the angle steel beam (14) and the threading tube (15).

6. The cable anti-winding and anti-wear device for a rotary trolley according to claim 4, characterized in that: The cable adjustment device (3) comprises a fixing seat (16), a bolt pair (17), a cable slider (18) and a cable nylon clamp (19). The fixing seat (16) is provided in two groups, one group of two fixing seats (16), one group of fixing seats (16) is installed on a side of the cable adjustment device (3) close to the cable steering device (4), and the other group of fixing seats (16) is installed at the bottom of the connecting plate (11).

7. The cable anti-winding and anti-wear device for a rotary trolley according to claim 6, characterized in that: The fixing seat (16) is provided with a hollow groove, in which a bolt pair (17) is installed, and the number of the bolt pairs (17) is the same as the number of the fixing seats (16). A cable slider (18) is fixedly connected between a group of the fixing seats (16), and a circular groove is provided in the center of the cable slider (18). A cable nylon clamp (19) is installed on the top of the cable slider (18), and two cable nylon clamps (19) are provided. The cable nylon clamps (19) are fixed to the fixing seat (16) by bolts and nuts, and the circular groove provided on the cable slider (18) is adapted to the circular hole formed by the two cable nylon clamps (19).

8. The cable anti-winding and anti-wear device for a rotary trolley according to claim 6, characterized in that: The cable steering device (4) comprises a shaft sleeve (20), a bearing (21), a bearing cover (22), a shaft elastic ring (23) and a nylon sleeve (24); the shaft sleeve (20) is fixedly connected to the top of the connecting plate (11); the nylon sleeve (24) is installed on the top of the shaft sleeve (20); the shaft elastic ring (23) is installed on one side of the nylon sleeve (24); the bearing (21) is installed on the top of the shaft elastic ring (23); the bearing (21) is installed on the top of the bearing (21) with a bearing cover (22); the shaft sleeve (20) is fixed by the bearing cover (22) and a hexagon socket nut.

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