Cable lifting device

Abstract

The invention provides a cable lifting device and belongs to the field of lifting devices.The cable lifting device comprises two towers, two anchorage devices, a bearing main cable, a traction cable, a ventilation cable, a buckle cable and a lifting device.A bridge is located between the two towers, one anchorage device is arranged on the side, away from the bridge, of each tower, the two towers are connected with the bridge through the buckle cable, and the traction cable is connected with the bridge through the buckle cable. The first end of the ventilation cable, the first end of the lifting device, the first end of the bearing main cable and the first end of the traction cable bypass one tower to be connected with one anchorage device, and the second end of the ventilation cable, the second end of the lifting device, the second end of the bearing main cable and the second end of the traction cable bypass the other tower to be connected with the other anchorage device. The middle of the bearing main cable and the middle of the traction cable are connected with the middle of the lifting device. The cable lifting device aims at solving the problem that in the prior art, a cable lifting device has high requirements for topographic conditions. The cable lifting device structure has the technical effect that the cable lifting device structure with high adaptability to terrains is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting devices, and particularly to a cableway lifting device. Background Art

[0002] A cableway lifting device, also known as a cable crane, a cable machine, a cableway or an engineering cableway, etc., is mainly used for hoisting materials or installing bridges across complex terrains such as canyons and rivers.

[0003] Existing cableway lifting devices applied to bridges need to be stabilized by fixed facilities such as pillars. However, the pillars are often relatively high and there is a risk of inclination. In addition, in order to ensure stability, the installation and use of cableway lifting devices require relatively flat and stable terrain conditions, and have high requirements for terrain conditions. Summary of the Invention

[0004] The present invention provides a cableway lifting device to solve the defect that the existing cableway lifting device has high requirements for terrain conditions, and realizes a cableway lifting device structure with high adaptability to terrain.

[0005] The present invention provides a cableway lifting device, which includes two tower frames, two anchor devices, a load-bearing main cable, a traction cable, a ventilation cable, a stay cable and a lifting device. A bridge is located between the two tower frames. An anchor device is respectively arranged on one side of each tower frame facing away from the bridge. Both tower frames are connected to the bridge through stay cables. The first end of the ventilation cable, the first end of the lifting device, the first end of the load-bearing main cable and the first end of the traction cable bypass one of the tower frames and are connected to one of the anchor devices. The second end of the ventilation cable, the second end of the lifting device, the second end of the load-bearing main cable and the second end of the traction cable bypass the other tower frame and are connected to the other anchor device. The middle parts of the load-bearing main cable and the traction cable are both connected to the middle part of the lifting device.

[0006] According to the cableway lifting device of the present invention, the high adaptability of the device to terrain is realized through the cooperative setting of the anchor device, the load-bearing main cable and the stay cable. The anchor device fixes the tower frame through the ventilation cable, ensuring the stability of the tower frame. And because the traction cable and the stay cable are provided, even if a certain rope breaks, the stability of the tower frame is ensured, indirectly increasing the safety of the device.

[0007] In addition, according to the cableway lifting device of the present invention, the following additional technical features may also be included: In some embodiments of the present invention, each anchor device includes an anchor pier, an anchor beam and a first rock anchor cable. The anchor pier is placed on the ground surface, an anchor beam is arranged in the anchor pier, one end of the first rock anchor cable is anchored to the ground, and the other end of the first rock anchor cable passes through the anchor pier and is connected to the anchor beam. The two ends of the load-bearing main cable are connected to the anchor beams of the two corresponding anchor devices respectively.

[0008] In some embodiments of the present invention, each anchorage device further includes a back cable, an anchor connector, and a second rock cable. One end of the second rock cable is buried underground, and the other end of the second rock cable is connected to one end of the back cable through the anchor connector. The other end of the back cable is connected to the corresponding tower.

[0009] By adopting the above embodiments, the setting of the back cable further increases the firmness of the device.

[0010] In some embodiments of the present invention, the lifting device includes a lifting cable and a pulley block. One end of the lifting cable bypasses one of the towers and is connected to one of the anchorage devices, and the other end of the lifting cable bypasses the other tower and is connected to the other anchorage device. The pulley block is connected to the middle of the lifting cable, and the middle parts of the load-bearing main cable and the towing cable are both connected to the pulley block.

[0011] In some embodiments of the present invention, the pulley block includes an upper hanging pulley, a lifting trolley, and a lower hanging pulley. The middle part of the load-bearing main cable is wound around the lifting trolley. The upper end of the upper hanging pulley is connected to the lower end of the lifting trolley. The middle part of the towing cable is wound around the upper hanging pulley. The lower hanging pulley and the upper hanging pulley are wound and connected through a lifting cable.

[0012] By adopting the above embodiments, the cooperation of the upper hanging pulley, the lifting trolley, and the lower hanging pulley with the settings of the lifting cable and the towing cable realizes the rapid hoisting and towing movement of the device to be hoisted, increasing the convenience of hoisting.

[0013] In some embodiments of the present invention, the pulley block further includes a lifting pulley and a guiding pulley. A plurality of lifting pulleys are provided on the upper hanging pulley, the lifting trolley, and the lower hanging pulley. A plurality of guiding pulleys are provided on the upper hanging pulley. The middle part of the load-bearing main cable is wound around the plurality of lifting pulleys on the lifting trolley. The middle part of the towing cable is wound around the plurality of lifting pulleys on the upper hanging pulley. The middle part of the lifting cable bypasses the guiding pulley and is wound around the plurality of lifting pulleys on the lower hanging pulley.

[0014] In some embodiments of the present invention, a door cable saddle is provided at the top of each tower. The first ends of the ventilation cable, the lifting device, the load-bearing main cable, and the towing cable bypass the door cable saddle on one of the towers and are connected to one of the anchorage devices. The second ends of the ventilation cable, the lifting device, the load-bearing main cable, and the towing cable bypass the door cable saddle on the other tower and are connected to the other anchorage device.

[0015] By adopting the above embodiments, the setting of the door cable saddle realizes the rapid and reliable installation work of the ventilation cable, the lifting device, the load-bearing main cable, and the towing cable at the top of the tower.

[0016] In some embodiments of the present invention, a steel anchor box is provided on the tower. One end of the fastening cable away from the bridge is connected to one end of the steel anchor box, and one end of the back cable away from the anchor connector is connected to the other end of the steel anchor box.

[0017] In some embodiments of the present invention, it further includes a pre-buried cable, a steel pin, and a connection box. The pre-buried cable is arranged in the anchor pier. One end of the connection box is connected to the pre-buried cable through the steel pin, and the other end of the connection box is connected to the ventilation cable.

[0018] By adopting the above embodiments, the firmness of the installation of the ventilation cable is ensured through the arrangement of the pre-buried cable, the steel pin, and the connection box.

[0019] In some embodiments of the present invention, it further includes a winch. The first ends of both the traction cable and the main load-bearing cable are connected to the corresponding anchor devices after bypassing the corresponding towers and then the winch.

[0020] By adopting the above embodiments, the setting of the winch realizes the reliable traction of the traction cable and the main load-bearing cable, and further realizes the reliable handling and hoisting of the object to be hoisted by the present device.

[0021] In summary, the present application includes the following beneficial technical effects: The high adaptability of the present device to the terrain is realized through the cooperative setting of the anchor device, the main load-bearing cable, and the fastening cable. The tower is fixed by the ventilation cable through the anchor device, which ensures the stability of the tower. Also, due to the setting of the traction cable, the fastening cable, etc., even if a certain rope breaks, the stability of the tower will be ensured, indirectly increasing the safety of the present device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] By reading the following detailed description of the preferred embodiments, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present invention. Moreover, throughout the drawings, the same reference numerals are used to represent the same components. In the drawings: Figure 1 Schematically shows a structural diagram of a cable hoisting device according to some embodiments of the present invention.

[0023] Figure 2 Schematically shows a front view of an anchor device of a cable hoisting device according to some embodiments of the present invention.

[0024] Figure 3 Schematically shows a side view of an anchor device of a cable hoisting device according to some embodiments of the present invention.

[0025] Figure 4 Schematically shows a plan view of an anchor device of a cable hoisting device according to some embodiments of the present invention.

[0026] Figure 5 Schematically shows a structural schematic diagram of the connection between the second rock anchor cable and the back cable of a cable hoisting device according to some embodiments of the present invention.

[0027] Figure 6 Schematically shows a first cross-sectional view of the connection between the second rock anchor cable and the back cable of a cable hoisting device according to some embodiments of the present invention.

[0028] Figure 7 Schematically shows a second cross-sectional view of the connection between the second rock anchor cable and the back cable of a cable hoisting device according to some embodiments of the present invention.

[0029] Figure 8 Schematically shows a first view of the tower of a cable hoisting device according to some embodiments of the present invention.

[0030] Figure 9 Schematically shows a second view of the tower of a cable hoisting device according to some embodiments of the present invention.

[0031] Figure 10 Schematically shows a structural schematic diagram of the first part of the top of the tower of a cable hoisting device according to some embodiments of the present invention.

[0032] Figure 11 Schematically shows a structural schematic diagram of the second part of the top of the tower of a cable hoisting device according to some embodiments of the present invention.

[0033] Figure 12 Schematically shows a first structural schematic diagram of the connection between the ventilation cable and the anchor device of a cable hoisting device according to some embodiments of the present invention.

[0034] Figure 13 Schematically shows a second structural schematic diagram of the connection between the ventilation cable and the anchor device of a cable hoisting device according to some embodiments of the present invention.

[0035] Figure 14 Schematically shows a structural schematic diagram of the connection between the main load-bearing cable and the anchor device of a cable hoisting device according to some embodiments of the present invention.

[0036] Figure 15 Schematically shows a winding diagram of the main load-bearing cable of a cable hoisting device according to some embodiments of the present invention.

[0037] Figure 16 Schematically shows a connection schematic diagram of the hoisting device of a cable hoisting device according to some embodiments of the present invention.

[0038] Figure 17Schematically shows a winding diagram of a towing cable of a cable hoisting device according to some embodiments of the present invention.

[0039] Figure 18 Schematically shows a sectional view of a door cable saddle of a cable hoisting device according to some embodiments of the present invention.

[0040] Figure 19 Schematically shows a side view of a door cable saddle of a cable hoisting device according to some embodiments of the present invention.

[0041] Figure 20 Schematically shows a schematic structural diagram of the connection between an upper hanging pulley and a hoisting trolley of a cable hoisting device according to some embodiments of the present invention.

[0042] Figure 21 Schematically shows a sectional view of the connection between an upper hanging pulley and a hoisting trolley of a cable hoisting device according to some embodiments of the present invention.

[0043] Figure 22 Schematically shows a plan view of a lower hanging pulley of a cable hoisting device according to some embodiments of the present invention.

[0044] Figure 23 Schematically shows a sectional view of a lower hanging pulley of a cable hoisting device according to some embodiments of the present invention.

[0045] Figure 24 Schematically shows a schematic structural diagram of a first part of a cable hoisting device according to some embodiments of the present invention.

[0046] Figure 25 Schematically shows a schematic structural diagram of a second part of a cable hoisting device according to some embodiments of the present invention.

[0047] Reference numerals: 1, bridge; 2, ventilation cable; 21, embedded cable; 22, steel pin; 24, connection box; 3, load-bearing main cable; 301, rear main cable; 302, first winch; 303, second winch; 304, first tower top guiding pulley; 305, first movable pulley; 306, rear hanging point; 307, front hanging point; 308, second movable pulley; 309, second tower top guiding pulley; 310, third tower top guiding pulley; 311, front main cable; 312, first anchor guiding pulley; 313, second anchor guiding pulley; 314, fourth tower top guiding pulley; 4, towing cable; 41, fastening cable; 42, towing cable winch; 5, lifting device; 51, lifting cable; 52, upper hanging pulley; 521, lifting pulley; 522, guiding pulley; 523, wall panel; 524, axle; 525, guiding axle; 53, lifting trolley; 54, cable support; 55, lower hanging pulley; 551, steel plate; 552, pin; 6, tower; 61, vertical pole; 62, cross bar; 63, diagonal bar; 64, steel anchor box; 65, top connection structure; 651, cable saddle cushion beam; 652, portal cable saddle; 6521, side connection plate; 6522, upper pulley; 6524, angle plate; 653, distribution beam connection beam; 654, limit block; 655, steel box distribution beam; 656, transverse jack; 657, reaction seat; 658, threaded steel bar; 7, anchor device; 701, anchor beam; 702, first rock anchor cable; 704, anchor connector; 705, back cable; 706, second rock anchor cable; 707, splint; 708, wedge; 709, anchor pier; 8, protective shed. Detailed implementation manners

[0048] The exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be completely conveyed to those skilled in the art.

[0049] It should be understood that the terms used herein are for the purpose of describing specific exemplary embodiments only and are not intended to be limiting. Unless otherwise clearly specified in the context, the singular forms "a", "an" and "the" as used herein may also include the plural forms. The terms "comprising", "including", "containing" and "having" are inclusive and thus specify the presence of the stated features, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the particular order described or illustrated, unless the execution order is explicitly stated. It should also be understood that additional or alternative steps may be used.

[0050] Although terms such as first, second, and third may be used herein to describe multiple elements, components, regions, layers, and / or sections, these elements, components, regions, layers, and / or sections should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or section from another. Unless the context clearly indicates otherwise, terms such as "first", "second", and other numerical terms do not imply an order or sequence when used in this document. Thus, the first element, component, region, layer, or section discussed below may be referred to as the second element, component, region, layer, or section without departing from the teachings of the exemplary embodiments.

[0051] For ease of description, spatial relative relationship terms may be used herein to describe the relationship of one element or feature shown in the figure to another element or feature, such relative relationship terms such as "inside", "outside", "inner side", "outer side", "below", "beneath", "above", "upper" and the like. Such spatial relative relationship terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is flipped, the element described as "below" or "beneath" another element or feature will then be oriented "above" or "upper" another element or feature. Thus, the exemplary term "below" may include both upper and lower orientations. The device may be otherwise oriented rotated 90 degrees or in other directions and the spatial relative relationship descriptors used in this document are interpreted accordingly.

[0052] As Figures 1 to 25 shown, according to an embodiment of the first aspect of the present invention, a cable hoisting device is provided, including two tower racks 6, two anchor devices 7, a load-bearing main cable 3, a towing cable 4, a ventilation cable 2, a fastening cable 41, and a hoisting device 5. A bridge 1 is located between the two tower racks 6. An anchor device 7 is respectively provided on one side of each tower rack 6 facing away from the bridge 1. The two tower racks 6 are both connected to the bridge 1 through the fastening cable 41. The first ends of the ventilation cable 2, the hoisting device 5, the load-bearing main cable 3, and the towing cable 4 bypass one of the tower racks 6 and are connected to one of the anchor devices 7. The second ends of the ventilation cable 2, the hoisting device 5, the load-bearing main cable 3, and the towing cable 4 bypass the other tower rack 6 and are connected to the other anchor device 7. The middle parts of the load-bearing main cable 3 and the towing cable 4 are both connected to the middle part of the hoisting device 5.

[0053] In the above embodiment, it should be noted that a protective shed 8 is further included, and the protective shed 8 is installed on the shore beside the tower rack 1.

[0054] The technical effects achieved by the above embodiments are as follows: The adaptability of the device to the terrain is relatively high through the cooperative setting of the anchorage device 7, the load-bearing main cable 3, and the stay cable 41. The anchorage device 7 fixes the tower 6 through the load-bearing main cable 3, ensuring the stability of the tower 6. Also, due to the setting of the traction cable 4 and the stay cable 41, etc., even if a certain cable breaks, the stability of the tower 6 is ensured, indirectly increasing the safety of the device.

[0055] Optionally, as Figures 2 to 7 shown, each anchorage device 7 includes an anchor pier 709, an anchor beam 701, and a first rock anchor cable 702. The anchor pier 709 is placed on the land surface, the anchor beam 701 is arranged inside the anchor pier 709, one end of the first rock anchor cable 702 is anchored to the ground, and the other end of the first rock anchor cable 702 passes through the anchor pier 709 and is connected to the anchor beam 701. The two ends of the load-bearing main cable 3 are respectively connected to the anchor beams 701 of two corresponding anchorage devices 7.

[0056] Each anchorage device 7 also includes a back cable 705, an anchor connector 704, and a second rock anchor cable 706. One end of the second rock anchor cable 706 is buried underground, and the other end of the second rock anchor cable 706 is connected to one end of the back cable 705 through the anchor connector 704. The other end of the back cable 705 is connected to the corresponding tower 6.

[0057] In the above optional embodiment, it should be noted that both the back cable 705 and the second rock anchor cable 706 are connected to the splint 707 through the wedge 708 and then fixed by bolts.

[0058] The beneficial effect of the above optional embodiment is: The firmness of the device is further increased through the setting of the back cable 705.

[0059] Optionally, as Figures 15 to 23 shown, the hoisting device 5 includes a hoisting cable 51 and a pulley block. One end of the hoisting cable 51 bypasses one of the towers 6 and is connected to one of the anchorage devices 7. The other end of the hoisting cable 51 bypasses the other tower 6 and is connected to the other anchorage device 7. The pulley block is connected to the middle of the hoisting cable 51. The middle parts of the load-bearing main cable 3 and the traction cable 4 are both connected to the pulley block.

[0060] The pulley block includes an upper hanging pulley 52, a hoisting trolley 53, and a lower hanging pulley 55. The middle part of the load-bearing main cable 3 is wound around the hoisting trolley 53. The upper end of the upper hanging pulley 52 is connected to the lower end of the hoisting trolley 53. The middle part of the traction cable 4 is wound around the upper hanging pulley 52. The lower hanging pulley 55 and the upper hanging pulley 52 are wound and connected through the hoisting cable 51.

[0061] The pulley block further includes a hoisting pulley 521 and a guiding pulley 522. A plurality of hoisting pulleys 521 are provided on the upper hanging pulley 52, the hoisting trolley 53 and the lower hanging pulley 55. A plurality of guiding pulleys 522 are provided on the upper hanging pulley 52. The middle part of the load-bearing main cable 3 is wound around the plurality of hoisting pulleys 521 on the hoisting trolley 53. The middle part of the towing cable 4 is wound around the plurality of hoisting pulleys 521 on the upper hanging pulley 52. The middle part of the hoisting cable 51 bypasses the guiding pulley 522 and then is wound around the plurality of hoisting pulleys 521 on the lower hanging pulley 55.

[0062] In the above optional embodiment, it should be noted that the upper hanging pulley 52 further includes a wall panel 523, a wheel axle 524 and a guiding wheel axle 525. Each guiding pulley 522 is rotatably mounted on the wall panel 523 through the guiding wheel axle 525. Each hoisting pulley 521 is rotatably mounted on the wall panel 523 through the wheel axle 524. The lower hanging pulley 55 further includes a steel plate 551 and a pin 552. A plurality of hoisting pulleys 521 are connected to the steel plate 551 one by one through a plurality of wheel axles 524. In addition, a cable support device 54 is further included. The towing cable 4, the load-bearing main cable 3 and the hoisting cable 51 are connected through the cable support device 54.

[0063] The beneficial effect of the above optional embodiment is that: through the cooperation of the upper hanging pulley 52, the hoisting trolley 53 and the lower hanging pulley 55, and the arrangement of the hoisting cable 51 and the towing cable 4, the rapid hoisting and towing movement of the device to be hoisted is realized, and the convenience of hoisting is increased.

[0064] Optionally, as Figures 8 to 14 shown, a door cable saddle 652 is provided at the top of each tower 6. The first ends of the ventilation cable 2, the hoisting device 5, the load-bearing main cable 3 and the towing cable 4 bypass the door cable saddle 652 on one of the towers 6 and are connected to one of the anchor devices 7. The second ends of the ventilation cable 2, the hoisting device 5, the load-bearing main cable 3 and the towing cable 4 bypass the door cable saddle 652 on the other tower 6 and are connected to the other anchor device 7.

[0065] A steel anchor box 64 is provided on the tower 6. One end of the fastening cable 41 away from the bridge 1 is connected to one end of the steel anchor box 64. One end of the back cable 705 away from the anchor connector 704 is connected to the other end of the steel anchor box 64.

[0066] In the above optional embodiment, it should be noted that the tower 6 includes a plurality of vertical poles 61, a plurality of horizontal poles 62 and a plurality of diagonal poles 63. The plurality of vertical poles 61, the plurality of horizontal poles 62 and the plurality of diagonal poles 63 cooperate to form a frame structure, and at least one diagonal pole 63 is provided in the rectangular structure formed by two vertical poles 61 and the corresponding two horizontal poles 62 to ensure the stability of the tower 6.

[0067] The steel anchor box 64 adopts an existing steel anchor box.

[0068] The top of the tower 6 is connected with a top connection structure 65. The top connection structure 65 includes a saddle cushion beam 651, a portal saddle 652, a distribution beam connecting beam 653, a limit block 654 and a steel box distribution beam 655. The two portal saddles 652 are connected by the saddle cushion beam 651. The steel box distribution beam 655 is installed on the top of the tower 6. The two steel box distribution beams 655 are connected by the distribution beam connecting beam 653. The two ends of the saddle cushion beam 651 are respectively installed on the tops of the two steel box distribution beams 655. A limit block 654 is arranged between each steel box distribution beam 655 and the saddle cushion beam 651.

[0069] The top connection structure 65 further includes a transverse jack 656, a reaction seat 657 and a threaded steel bar 658. The two jacks 656 are respectively installed on the top of the tower through a reaction seat 657. The two transverse jacks 656 are connected by the threaded steel bar 658. By arranging the transverse jack 656, support force is provided for the installation of the ventilation cable 2, the load-bearing main cable 3 and the traction cable 4, and the convenience of installing the device is increased.

[0070] The portal saddle 652 includes a side connecting plate 6521, an upper pulley 6522 and an angle plate 6524. The angle plate 6524 is installed on the saddle cushion beam 651. The side connecting plate 6521 is installed on the angle plate 6524. A plurality of upper pulleys 6522 are rotatably installed on the side connecting plate 6521.

[0071] The beneficial effect of the above optional embodiment is that the rapid and reliable installation work of the ventilation cable 2, the lifting device 5, the load-bearing main cable 3 and the traction cable 4 on the top of the tower is realized through the arrangement of the portal saddle 652.

[0072] Optionally, as Figure 13 shown, it further includes a pre-embedded cable 21, a steel pin 22 and a connection box 24. The pre-embedded cable 21 is arranged in the anchor pier 709. One end of the connection box 24 is connected with the pre-embedded cable 21 through the steel pin 22, and the other end of the connection box 24 is connected with the ventilation cable 2.

[0073] The beneficial effect of the above optional embodiment is that the firmness of the installation of the ventilation cable 2 is ensured through the arrangement of the pre-embedded cable 21, the steel pin 22 and the connection box 24.

[0074] Optionally, as Figure 15 and Figure 17 shown, it further includes a winch. The first ends of the traction cable 4 and the load-bearing main cable 3 both bypass the corresponding tower 6 and then bypass the winch and are connected with the corresponding anchor device 7.

[0075] In the above-mentioned optional embodiments, it should be noted that the winch includes a first winch 302, a second winch 303, and a traction cable winch 42. The upper pulley 6522 includes a first tower top guiding pulley 304, a second tower top guiding pulley 309, a third tower top guiding pulley 310, and a fourth tower top guiding pulley 314. The lifting pulley 521 includes a plurality of first movable pulleys 305 and a plurality of second movable pulleys 308. The load-bearing main cable 3 includes a front main cable 311 and a rear main cable 301. In addition, a first anchor guiding pulley 312 and a second anchor guiding pulley 313 are provided on one of the anchor devices 7. One end of the rear main cable 301 is wound around the first winch 302, and the rear main cable 301 sequentially bypasses the second anchor guiding pulley 313, the fourth tower top guiding pulley 314, a plurality of first movable pulleys 305, and then bypasses the third tower top guiding pulley 310 and is connected and fixed to another anchor device 7. One of the first movable pulleys 305 located on the lower hanging pulley 55 is connected to a sling through a rope to form a rear lifting point 306. One end of the front main cable 311 is wound around the second winch 303. The front main cable 311 sequentially bypasses the first anchor guiding pulley 312, the first tower top guiding pulley 304, a plurality of second movable pulleys 308, and then bypasses the second tower top guiding pulley 309 and is connected and fixed to another anchor device 7. One of the second movable pulleys 308 located on the lower hanging pulley 55 is connected to a sling through a rope to form a front lifting point 307.

[0076] One end of the traction cable 4 is connected to one of the anchor devices 7, then bypasses the upper pulley 6522 on one of the portal cable saddles 652, is wound around the guiding pulley 522, then bypasses the upper pulley 6522 on the other portal cable saddle 652, and then bypasses the guiding pulley on the other anchor device 7 and is wound around the traction cable winch 42.

[0077] The beneficial effects of the above-mentioned optional embodiments are as follows: By setting the winch, reliable traction of the traction cable 4 and the load-bearing main cable 3 is achieved, and thus reliable handling and lifting of the object to be hoisted by this device are realized.

[0078] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A cable hoisting device, characterized in that, It includes two tower frames (6), two anchor devices (7), a load-bearing main cable (3), a towing cable (4), a ventilation cable (2), a fastening cable (41) and a hoisting device (5). The bridge (1) is located between the two tower frames (6). One of the anchor devices (7) is respectively arranged on one side of each tower frame (6) facing away from the bridge (1). Both of the two tower frames (6) are connected to the bridge (1) through the fastening cable (41). The first end of the ventilation cable (2), the first end of the hoisting device (5), the first end of the load-bearing main cable (3) and the first end of the towing cable (4) bypass one of the tower frames (6) and are connected to one of the anchor devices (7). The second end of the ventilation cable (2), the second end of the hoisting device (5), the second end of the load-bearing main cable (3) and the second end of the towing cable (4) bypass the other tower frame (6) and are connected to the other anchor device (7). The middle part of the load-bearing main cable (3) and the middle part of the towing cable (4) are both connected to the middle part of the hoisting device (5).

2. The cable hoisting device according to claim 1, wherein, Each of the anchor devices (7) includes an anchor pier (709), an anchor beam (701) and a first rock anchor cable (702). The anchor pier (709) is placed on the ground surface. The anchor beam (701) is arranged inside the anchor pier (709). One end of the first rock anchor cable (702) is anchored to the ground, and the other end of the first rock anchor cable (702) passes through the anchor pier (709) and is connected to the anchor beam (701). The two ends of the load-bearing main cable (3) are connected to the anchor beams (701) of the two corresponding anchor devices (7).

3. The cable hoisting device according to claim 2, wherein, Each of the anchor devices (7) also includes a back cable (705), an anchor connector (704) and a second rock anchor cable (706). One end of the second rock anchor cable (706) is buried underground, and the other end of the second rock anchor cable (706) is connected to one end of the back cable (705) through the anchor connector (704). The other end of the back cable (705) is connected to the corresponding tower frame (6).

4. The cable hoisting device according to claim 1, characterized in that, The hoisting device (5) includes a hoisting cable (51) and a pulley block. One end of the hoisting cable (51) bypasses one of the tower frames (6) and is connected to one of the anchor devices (7). The other end of the hoisting cable (51) bypasses the other tower frame (6) and is connected to the other anchor device (7). The pulley block is connected to the middle part of the hoisting cable (51). The middle part of the load-bearing main cable (3) and the middle part of the towing cable (4) are both connected to the pulley block.

5. The cable hoisting device according to claim 4, characterized in that, The pulley block includes an upper hanging pulley (52), a hoisting trolley (53) and a lower hanging pulley (55). The middle part of the load-bearing main cable (3) is wound around the hoisting trolley (53). The upper end of the upper hanging pulley (52) is connected to the lower end of the hoisting trolley (53). The middle part of the towing cable (4) is wound around the upper hanging pulley (52). The lower hanging pulley (55) and the upper hanging pulley (52) are wound and connected through the hoisting cable (51).

6. The cable hoisting device according to claim 5, characterized in that, The pulley block further includes a hoisting pulley (521) and a guiding pulley (522). A plurality of the hoisting pulleys (521) are provided on the upper hanging pulley (52), the hoisting trolley (53) and the lower hanging pulley (55). A plurality of the guiding pulleys (522) are provided on the upper hanging pulley (52). The middle part of the load-bearing main cable (3) is wound around the plurality of hoisting pulleys (521) on the hoisting trolley (53). The middle part of the towing cable (4) is wound around the plurality of hoisting pulleys (521) on the upper hanging pulley (52). The middle part of the hoisting cable (51) bypasses the guiding pulley (522) and then is wound around the plurality of hoisting pulleys (521) on the lower hanging pulley (55).

7. The cable hoisting device according to claim 1, characterized in that, A cable saddle (652) is provided at the top of each tower (6). The first ends of the ventilation cable (2), the hoisting device (5), the load-bearing main cable (3) and the towing cable (4) bypass the cable saddle (652) on one of the towers (6) and are connected to one of the anchorage devices (7). The second ends of the ventilation cable (2), the hoisting device (5), the load-bearing main cable (3) and the towing cable (4) bypass the cable saddle (652) on the other tower (6) and are connected to the other anchorage device (7).

8. The cable hoisting device according to claim 3, characterized in that, A steel anchor box (64) is provided on the tower (6). One end of the fastening cable (41) away from the bridge (1) is connected to one end of the steel anchor box (64). One end of the back cable (705) away from the anchor connector (704) is connected to the other end of the steel anchor box (64).

9. The cable hoisting device according to claim 2, characterized in that, It further includes a pre-buried cable (21), a steel pin (22) and a connection box (24). The pre-buried cable (21) is arranged in the anchor pier (709). One end of the connection box (24) is connected to the pre-buried cable (21) through the steel pin (22). The other end of the connection box (24) is connected to the ventilation cable (2).

10. The cable hoisting device according to claim 1, characterized in that, It further includes a winch. The first ends of the towing cable (4) and the load-bearing main cable (3) both bypass the corresponding tower (6), then bypass the winch and are connected to the corresponding anchorage device (7).

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