149results about "Cable cars" patented technology

The invention relates to the technical field of hoisting construction, particularly discloses an intelligent hoisting method for a large-span cable hoisting system and a monitoring system, and aims to solve the problems of low construction efficiency, difficulty in prevention and control of collision risks and low hoisting in-place efficiency in traditional cable hoisting construction. The system comprises a cable hoisting module, a visual measurement module, a reference positioning module, a main cable state recognition module, a data processing module, an execution control module and an obstacle avoidance early warning module, wherein the visual measurement module, the reference positioning module, the main cable state recognition module, the execution control module and the obstacle avoidance early warning module are electrically connected with the data processing module; the cable hoisting module comprises a winch group and a cable tower, the cable comprises a main cable, a traction cable and a hoisting cable, a sports car is arranged on the main cable, the sports car is connected with a hoisting point, the hoisting point is connected with a hoisting object, the sports car, the hoisting point, the hoisting object and the cable tower are all provided with mark points, and the execution control module is electrically connected with the winch group. The problems that the construction efficiency is low, the collision risk is difficult to prevent and control and the hoisting in-place efficiency is low in traditional cable hoisting construction are solved.

The invention relates to the technical field of bridge engineering construction, and particularly discloses suspension bridge deck steel beam cable hoisting equipment which comprises a sports car, a hoisting tool and a hoisting cable, the hoisting tool is used for being connected with a steel beam, the sports car is installed on a bearing cable and can move on the bearing cable, the hoisting tool is connected with the sports car through the hoisting cable, a pulley seat is arranged on the hoisting cable, and a connecting seat is arranged on the hoisting tool. The pulley seat and the connecting seat are hinged through a pin shaft to form four lifting points, the hoisting cable is connected with the hoisting winch, the pin shaft is provided with a pin shaft type force sensor used for measuring the cable force of the hoisting cable, cable force data are detected and transmitted to a control center, and a Beidou positioning terminal is arranged near the lifting points. In the hoisting process, coordinate data of the hoisting points are collected in real time and transmitted to the control center, the control center processes the cable force data and the coordinate data of the hoisting points and controls the hoisting winches to work according to the processing result, the actions of all the hoisting winches are adjusted to enable the steel beam to be kept balanced, and stable and safe construction is guaranteed.

The invention discloses a cable crane management and control method and system based on digital twinning, and relates to the technical field of bridge construction intelligent monitoring, and the method comprises the following steps: preprocessing different types of monitoring data to obtain different types of preprocessed monitoring data; constructing a twinborn model based on the on-site live-action data, and performing real-time rendering based on the preprocessed monitoring data to construct a real-time twinborn model; based on the real-time twinborn model, constructing an AR auxiliary hoisting schematic diagram; and planning an optimal path of the crown block based on the AR auxiliary hoisting schematic diagram. Through multi-source data acquisition, real-time analysis, safety early warning and visual display, comprehensive monitoring and risk pre-control of the operation state of the cable crane are realized.

The present disclosure refers to aerial systems for cameras, typically for stabilized cameras, and also called suspended camera systems, which allow to move a camera through a three-dimensional space by means of cables. The present disclosure includes an aerial system for a camera, which comprises a main axle and at least three arm axles, the arm axles being perpendicular to and independently rotatable around said main axle. The arm axles are coupled to arms which in turn couple to a cable which is fed and reeled from a main reel for feeding and reeling a cable, and, upon coupling of a cable to each arm, the cables support a camera head coupled to the said means for coupling. The solution of the present disclosure enables, including through the provision of arm axles which rotate in relation to a main axle and independently from each other, to reach a wider area.

The invention relates to the technical field of double-cable cranes, in particular to a special-shaped double-cable structure hoisting system and a hoisting method. The special-shaped double-cable structure hoisting system comprises a first load-bearing rope and a second load-bearing rope with the two ends fixed and the middles drooping, and the first load-bearing rope has a first cable shape parameter; the second bearing rope has a second rope shape parameter different from the first rope shape parameter; the vertical plane where the first bearing rope is located is parallel to the vertical plane where the second bearing rope is located. The first lifting trolley group travels on the first load-bearing rope, the second lifting trolley group travels on the second load-bearing rope, and the first lifting trolley group and the second lifting trolley group can cooperatively lift. According to the special-shaped double-cable structure hoisting system, the fixed positions of the two ends of the bearing rope do not need to be completely equal in height and symmetrical, reasonable selection can be conducted according to topographic conditions, and the construction difficulty of the bearing rope is greatly reduced.

The invention discloses water conservancy project surveying and mapping equipment, and belongs to the technical field of water conservancy project, the water conservancy project surveying and mapping equipment comprises a first column mechanism and a surveying and mapping mechanism, the top end of the first column mechanism is bolted with a guide mechanism, and a winding frame mechanism is also nested and fixed outside the first column mechanism; the winding frame mechanism is rotationally connected with a rope winding mechanism, and one end of the rope winding mechanism is connected with a second stand column mechanism. Through the arrangement of the first stand column mechanism, the rope winding mechanism and the second stand column mechanism, a suspension cable structure with the adjustable distance is formed, so that the device can be suitable for river surfaces with different widths, and the applicability of the device is effectively improved; the detection mechanism can move along the suspension cable, so that multiple sections of cross sections of a river are surveyed, the structure is simple, the equipment cost is low, people do not need to enter water in the surveying and mapping process, and the detection convenience of the device is improved.

The utility model discloses a low-altitude adjustable cable crane. The low-altitude adjustable cable crane comprises a hoisting mechanism, a hoisting frame and a hoisting rope, according to the low-altitude adjustable cable crane, extending sleeves matched with a shell are symmetrically connected to the interior of the shell in a sliding mode, a rotating arm is rotationally arranged at the center of the shell through a rotating shaft, a sliding rod matched with the rotating arm is connected to the inner side of the rotating arm in a sliding mode, an inserting cavity used for the sliding rod to be inserted in and connected with the rotating arm in a sliding mode is formed in the rotating arm, and a lifting seat is fixedly connected to the end of the sliding rod; the two-way threaded rod is driven by the first motor, the first bevel gear and the second bevel gear are matched to drive the two-way threaded rod to rotate, the extension sleeve can be in sliding fit with driving of the threaded sleeve in the shell, the moving effect is achieved, and in the extension sleeve moving process, the lifting base is driven to move through matching of a positioning pin and an arc-shaped notch; and the lifting seat is kept connected with the rotating arm through the sliding rod, so that the mounting distance of the lifting ropes is adjusted, and the lifting requirements of different distance widths can be conveniently met.

A cable crane comprises a main tower and an auxiliary tower, a lifting system, a traction system and a bearing system are installed on the main tower and the auxiliary tower, a trolley is installed on a bearing cable of the bearing system, the traction system pulls the trolley to move on the bearing cable in a reciprocating mode through a traction rope, a lifting rope of the lifting system winds around the trolley, and the lifting rope is located below the trolley. A lifting hook is installed through the movable pulley, a tensioning wheel set used for tensioning the traction rope is installed on the auxiliary tower, the tensioning wheel set comprises a sliding wheel and a sliding seat, the sliding wheel is rotatably installed on the sliding seat, a sliding frame is further installed on the auxiliary tower, the sliding seat is installed on the sliding frame in a sliding and adjustable mode, a hydraulic oil cylinder is installed on the sliding frame, and the hydraulic oil cylinder is connected with the sliding seat. And the sliding seat is pulled down through the contraction of the hydraulic oil cylinder, so that the traction rope is conveniently tensioned.

The utility model discloses an anchor cable type steel distribution beam anchor for hoisting construction of a V-shaped canyon bridge, which belongs to the technical field of distribution beam anchors and comprises an anchoring mechanism fixedly arranged on a rock stratum surface. The distribution beam structure is connected with the anchoring mechanism, and the distribution beam structure is fixedly arranged on the rock stratum surface by driving the anchoring mechanism; and the multiple cables are movably connected with the distribution beam structure, and each cable can freely move on the horizontal plane through the distribution beam structure. Under the action of the anchoring mechanism, the distributive girder structure realizes uniform distribution of acting force, the non-uniform bearing capacity of the distributive girder structure is avoided, and meanwhile, the hoisting of bridges at different positions can be met, so that the aims of canceling the arrangement of cable bent towers, fully utilizing topographic and geological conditions and greatly saving the construction cost are fulfilled.

The present invention belongs to the technical field of lifting devices, and specifically is a segmented lifting device for a U-shaped steel arch overpass, comprising a construction column one and a construction column two, a steel arch overpass base is erected between the construction column one and the construction column two, the construction column two and the construction column one are components made of the same structure, a plurality of winding devices are movably installed at the bottom of the construction column two, a rope transmission structure is installed in the top of the construction column two, a first arch steel segment is lifted by a hanging device so that its end close to the ground contacts with a ground building, and then the first arch steel segment is fixed by bolts and welding, and then the next arch steel segment is lifted so that one end is aligned with the fixed previous arch steel segment, and the two are also fixed by bolts and welding, and are hoisted and connected in sequence, and when the arch steel segment is transported, structures for maintaining horizontality are set at both ends of the sling to prevent the arch steel segment from shaking during transportation.

The invention relates to the technical field of bridge construction, in particular to a cable-stayed bridge cable hoisting system, a mounting method and a construction method. Comprising a rotating rope bracket, a tower top hoisting structure, a bearing structure, a hoisting structure and a traction structure, the tower top hoisting structure is fixed to the top of the tower column and used for vertically hoisting objects. The bearing structure comprises a plurality of bearing cables arranged along the bridge direction; the two ends of the bearing cable are fixed to the anchors of the shore bases on the two sides correspondingly. The hoisting structure comprises a sports car connected to the bearing cable in a sliding mode and a hoisting pulley block driven by the sports car to vertically ascend and descend. The traction structure comprises a winch arranged on the shore side; the winch is connected with the sports car through the traction cable and used for driving the sports car to move along the bearing cable. The cable hoisting system is simple in structure, convenient to operate and use, suitable for bridge construction of complex mountainous terrains with large topographic relief, capable of effectively solving the problem of hoisting blind areas caused by tower-shore separation, easy to operate, safe and reliable.

The invention provides a method for adjusting the length of a main cable by padding sleepers on a ground anchor backpack of a cable system, which comprises the following steps of: establishing a relational expression among the radius of the main ground anchor backpack, the thickness of the sleepers and a cable length adjusting value through analytic geometry, and adjusting the length of the main cable on the premise that the radius of the main ground anchor backpack and the cable length adjusting value are known. The accurate thickness value of the main ground anchor knapsack can be obtained according to the relational expression, in the sag adjusting process of the main cable, the cable adjusting can be completed through quick cushion plugging, repeated operation in the construction process is avoided, and then the construction efficiency can be improved.

The invention relates to the technical field of suspension bridge construction, and particularly discloses a cable crane parallel type bearing cable erecting method for suspension bridge steel beam hoisting, which comprises the following steps: step 1, bearing cable anchorage construction: pouring a temporary concrete buttress, and pre-burying a spiral steel pipe between a suspension bridge splay cable saddle anchorage and the temporary concrete buttress to form a bearing cable anchorage; 2, mounting a bearing cable: mounting the bearing cable by using a cable tower of the suspension bridge as a tower frame of the cable crane; a Beidou positioning sensor and a cable force sensor are installed on the bearing cables, the Beidou positioning sensor and the force sensor share data to cooperate and synchronously adjust the cables, and all the bearing cables of the cable group are adjusted to the same height. The technical problems that in the prior art, when bearing cables of a cable crane are of a parallel structure, the height and stress between different bearing cables are difficult to adjust, stress is not uniform, a sports car on the bearing cables deflects, and local stress is too large are solved.

The application discloses a kind of set hanging type peak forest planting harvesting transport system, belong to forestry planting harvesting field, system includes cableway, rope wheel set hanging trolley and multiple harvesting steps, wherein, rope wheel set hanging trolley, sliding connection is in the cableway, for transporting goods;The rope wheel set hanging trolley includes multiple cableway pulleys and goods hooking unit, the cableway pulley is equipped with goods hook, and multiple cableway pulleys are connected into pulley block by pulley connecting rope;The goods hooking unit is used to control the goods hook moves up and down along vertical direction;The present application automatically lifts up goods from different height position and hangs on cableway pulley, and the goods on goods hook are taken down and placed on arbitrary height harvesting step, realize the multiple hanging point goods transportation of arbitrary position of cableway coverage range.

The invention discloses a hoisting device for assembling an iron tower. The hoisting device comprises two stand columns with different lengths; hoisting the box; the hoisting assembly comprises two supporting plates, a connecting plate, a wire clamping device, a first take-up and pay-off device, a driving device and two steel wire ropes, the supporting plates are arranged at the top of the stand column, the driving device is used for driving the wire clamping device to move back and forth on the supporting plates, and the connecting plate is detachably arranged on the steel wire ropes; the first take-up and pay-off device is used for taking up or paying off the The connecting device comprises a fixing plate, a T-shaped connecting rod and a plurality of inserting pieces, the fixing plate is arranged between the two connecting plates, the fixing plate is provided with an opening groove and a plurality of inserting holes, one end of the connecting rod is connected with the hanging box, the other end of the connecting rod is provided with a plurality of through holes, and the connecting rod is fixed to the fixing plate through matching of the inserting pieces and the inserting holes. The hanging box moves back and forth between the two stand columns and does not make contact with the iron tower, the iron tower is prevented from being damaged, the position of the hanging box can be adjusted, and workers on the iron tower can conveniently take materials.

The present invention discloses a cable crane hoisting system, which is arranged between two towers. The tops of the two towers are provided with load-bearing cables. The system comprises: a guide wheel 1, a hoisting device, a pulley block, a crane assembly, and a traction cable. The guide wheel 1 is arranged on the tower, and a guide wheel 2 is provided on one side of the guide wheel 1. The hoisting device and the pulley block are both arranged below one tower. One end of the traction cable passes around the pulley block and is connected to the hoisting device. The other end of the traction cable passes around the guide wheel 1 on the same side as the hoisting device, the guide wheel 1 on the other side of the tower, and the guide wheel 2 and the pulley block on the same side as the hoisting device in sequence and is connected to the hoisting device. The crane assembly is arranged on the traction cable and is driven by the traction cable to move along the load-bearing cable. The cable crane hoisting system of the present invention has low cost of use, low difficulty for operators, and effectively avoids the risk of traction cables on both sides pulling against each other.

The utility model relates to the technical field of road and bridge engineering, and discloses a split type cable crane which comprises a main machine frame, the left side and the right side of the main machine frame are fixedly connected with fixing boxes, the front sides and the back sides of the tops and the bottoms of inner cavities of the fixing boxes are fixedly connected with fixing blocks, the inner sides of the fixing blocks are fixedly connected with first damping shock absorbers, and the inner sides of the first damping shock absorbers are fixedly connected with second damping shock absorbers. The surface of the first damping shock absorber is sleeved with a first damping spring, and the inner side of the first damping shock absorber is fixedly connected with a movable plate. According to the split type cable crane, a positioning frame moves outwards under the influence of vibration in the moving process, the positioning frame drives a movable plate to move outwards through an adjusting plate and an electric telescopic rod, the movable plate drives a first damping shock absorber and a first damping spring to deform and extrude outwards, and vibration generated by the positioning frame is buffered for the first time; and the impact force transmitted by the moving wheels is obviously reduced, so that the overall stability in the moving process is improved.

The present application relates to the technical field of cable crane, and particularly relates to a detection method for working pressure of a fixed open horse supporting movable wheel, which comprises the following steps: laying a detection tool, installing a horse supporting device, and measuring the initial size of the horse supporting device; putting a pressure sensor into an adjusting pressure applying device; increasing pressure for the horse supporting movable wheel according to stroke through the adjusting pressure applying device, and measuring the size of the applied pressure through the pressure sensor; recording data, including the pressure value detected by the current pressure sensor and the movable wheel compression stroke corresponding to the pressure value; when the compression amount reaches the designed stroke of the horse supporting device, analyzing the performance of the horse supporting device based on the recorded data. The technical scheme realizes accurate control of the movable wheel compression stroke of the horse supporting device in the working state, accurate reading of the required pressure value of the movable wheel at each stroke position, reading of the pressure value of the entire compression stroke and rebound stroke, and thus accurate judgment of the performance of the horse supporting device.

A cable crane adaptive lifting system includes multiple load-bearing cables, two groups of trolleys arranged along the length direction of the load-bearing cables and suspended on their surfaces, and a towing cable for towing the two groups of trolleys. Each group of trolleys includes two load-bearing wheel sets suspended on the load-bearing cables and a lifting wheel set commonly hinged below the two load-bearing wheel sets. The two load-bearing wheel sets are arranged at intervals along the length direction of the load-bearing cables. A hanging member moving in the vertical direction is provided below the lifting wheel set, and multiple lifting cables are connected between the lifting wheel set and the hanging member. One end of each lifting cable is commonly connected to a first lifting winch anchored on the ground. By adopting the technical solution of the present invention, it can effectively solve the problems in the current cable hoisting and towing system that two sets of separate lifting cables are required to control the height of the hanging member for two adjacent groups of trolleys on the same side, resulting in a relatively heavy total weight of the cable crane system, and the routing methods of the trolleys and the hanging member still need to be optimized.

An apparatus for vertically lifting and installing a variable-diameter unbalanced-load device, the apparatus comprising: a track (10) and a track-type transport device (20) mounted on the track (10);

The invention discloses a construction method for installing a tower crane by using a cable crane, which comprises the following steps: S1, on a curved surface structure of a main limb of an arch bridge, a steel platform foundation adapted to the radian of an arch body is constructed through a rigid connection node where a tubular support member is attached to the curved surface, and the steel platform foundation transmits the load of the tower crane to the main limb of the arch bridge through a space frame structure; s2, a large-tonnage hoisting device with the span covering the arch span is adopted, tower crane components are sequentially hoisted from the two sides of the arch bridge to the midspan direction, and the hoisting path crosses the complex terrain of the canyon or the river surface; s3, in the multi-tower-crane cross operation area, the height difference and the horizontal operation area interval between the multiple tower cranes are controlled, and a three-dimensional space anti-collision system is constructed in combination with environmental parameter monitoring; and S4, the tower body is jacked in stages, and installation precision control is achieved through real-time perpendicularity monitoring. The advantage that the span of the cable crane is large is utilized, and on-site assembling links are reduced.

The invention discloses a hydrological cableway obstacle avoidance management and control method, system and device and a medium, and relates to the technical field of hydrological flow measurement, and the method comprises the following steps: obtaining a monitoring video of the surrounding environment of a target fish lead; acquiring surrounding environment information of the target fish lead according to the monitoring video so as to obtain an early warning evaluation value; judging whether the early warning evaluation value is greater than a preset safety threshold value or not; if not, returning to obtain the monitoring video of the surrounding environment of the target lead fish; if yes, predicting a collision risk area in a future preset time according to the current position of the target fish lead and the surrounding environment information, and generating a local risk heat map; taking the current position of the target lead fish as a starting point, and generating a plurality of candidate obstacle avoidance paths according to the local risk heat map; the comprehensive cost function of each candidate obstacle avoidance path is obtained, the candidate obstacle avoidance path with the minimum value corresponding to the comprehensive cost function is output as the optimal obstacle avoidance path, and the method has the advantages that the optimal obstacle avoidance path can be automatically planned, and the planning precision is improved.

A dual purpose 3D Cable-Cam System and method, the 3D Cable-Cam system comprising, a dolly having an interchangeable mount for coupling a Camera or Sensor, and a controlling device for conducting a scanning survey of sports-stadiums grass-turfs, collecting Imagery for monitoring the grass-turf condition and storing the Imagery for detailed analysis on a local or remote computing device or on the Cloud. The dolly may also include an ambient light sensor, an altitude meter and a spreading assembly.

A kind of mountain photovoltaic power generation multi-point construction material supply system and method, including centralized feeding point, centralized feeding point is used to supply material to multiple scattered construction points;The height of the centralized feeding point is higher than the height of scattered construction point;Sliding rope is installed between centralized feeding point and scattered construction point, sliding seat is slidably installed on sliding rope, and sliding seat is connected with pull rope traction device through pull rope;Lifting appliance is installed on sliding seat, and lifting appliance is used to connect material basket.The present application forms multiple-path parallel material supply structure by setting centralized feeding point and multiple starting point support frames on working platform, so that each starting point support frame corresponds to a scattered construction point;The structure can flexibly dispatch material supply sequence according to the urgency of the demand of each construction point, does not need to rely on the transit road between construction points to transfer material, effectively avoids the transport capacity limitation when single-path material supply, and avoids the problem that material transfer is blocked due to poor road conditions.

The invention provides a cable supporting device with a rope collecting mechanism, and relates to the field of cable hoisting, the cable supporting device comprises a cable supporting device, the cable supporting device is provided with a conveying wheel set, a traction wheel set and a bearing wheel set from top to bottom, the conveying wheel set is used for walking on the bearing rope, the traction wheel set is used for supporting a traction rope, and the bearing wheel set is used for supporting a hoisting rope; the rope winding mechanisms are symmetrically arranged at the tops of the rope supporting devices in the width direction of the rope supporting devices, the rope winding mechanisms are used for winding the connecting ropes between the rope supporting devices, the rope winding mechanisms are adopted to wind and unwind the connecting ropes in a driven mode based on the distance between the rope supporting devices, and therefore the situation that the connecting ropes droop to form mutually-twisted U-shaped sleeves is avoided, and the service life of the rope supporting devices is prolonged. Therefore, the safety of the cable supporting device in the working process is improved.

The invention discloses a hoisting platform and system, and relates to the technical field of bridge hoisting construction, the hoisting platform comprises a crown block, a winch assembly comprises two motors, the output end of each motor is provided with a first winding drum and a second winding drum, the first winding drum is wound with a sling, and the second winding drum is wound with a second winding drum; a first hoisting cable and a second hoisting cable with the same winding and unwinding direction are respectively wound on the second winding drum; the stabilizing assembly comprises an upper stabilizing plate and a lower stabilizing plate; a roller adjusting group for adjusting the postures of the first hoisting cable and the second hoisting cable is arranged on the upper fixed stabilizing plate; the initial ends of the two slings are connected with the upper steady plate; the initial ends of the two first hoisting ropes and the initial ends of the two second hoisting ropes are matched with the roller adjusting group, movably penetrate through the upper stable fixing plate and the lower stable fixing plate in sequence and then are connected with a lifting hook. According to the invention, the stabilizing assembly drives the roller to adjust the adjusting group to apply acting force to the first hoisting cable or the second hoisting cable, so that the purpose of preventing the hoisting cables from continuously swinging in the same direction is achieved.

The embodiment of the utility model provides a connecting structure for hoisting and a hoisting system, and relates to the technical field of bridge construction, the connecting structure is provided with a hoisting point upper shaft, two connecting plate assemblies and a hoisting point lower shaft, the hoisting point upper shaft is used for being movably connected with a lower hanging frame of hoisting equipment, and the two connecting plate assemblies are used for being movably connected with the hoisting equipment. The two connecting plate assemblies are movably arranged on the lifting point upper shaft at intervals, and the lifting point lower shaft is movably arranged at the lower ends of the two connecting plate assemblies and used for detachably connecting the lower ends of the two connecting plate assemblies with equipment to be lifted. The lifting point upper shaft, the two connecting plate assemblies and the lifting point lower shaft are matched to form a connecting structure, so that the risks of wire breakage and wire slipping are avoided, and the stability and the safety of connection are improved.

The invention relates to a traction device for cableway transport systems, which is an electromechanical apparatus used to propel transport vehicles along the cableway. The device is characterised in that it comprises a rotation system, which allows traction units installed on a support to rotate about a shaft. As a result, the device maintains the traction in the system, despite being disposed on inclined sections of the cableway, and provides stability by preventing changes in the orientation of the transport system, thereby reducing possible derailments.

The present application relates to the field of cable hoisting, and especially relates to a composite cable installation and clamping tool suitable for horizontal construction of a jacket; the tool comprises a moving frame and a slide rope, the moving frame slides along the slide rope, a self-unhooking hook is hingedly connected to the bottom of the moving frame, the self-unhooking hook comprises a hook head and a sinking head, the hook head and the sinking head are connected through a rotating part, the weight of the sinking head is greater than that of the hook head, and the moving frame is hingedly connected with the rotating part; an automatic split ring is hung on the hook head, and a cable is sleeved and fixed on the automatic split ring; when the tension of the slide rope is released, the sinking head is driven to lift the hook head to unhook the automatic split ring under the influence of gravity, and the automatic split ring is automatically opened to separate from the cable under the action of gravity. The tool combines the moving frame with the self-unhooking hook, and the self-unhooking hook cooperates with the automatic split ring, and gravity is used, so that the hoisting and fixing of the cable can be automatically released only by releasing the tension of the slide rope, manual release is not needed, the construction efficiency is improved, and the construction safety is ensured.

The application provides a method for installing a cable crane, and relates to the technical field of cable crane installation, and comprises the following steps: dividing the cable crane into a first section, a second section, an extension section, a first pole beam and a second pole beam; lifting the first section, the second section, the extension section, the first pole beam and the second pole beam through a midspan installation system at one time until reaching a preset height; installing the extension section between the first section and the second section, and fixing the first section and the second section with two main cables respectively; and fixing and connecting anchor beams of hoisting equipment on the first section and the second section with the first pole beam and the second pole beam respectively. The application has the effect of improving the installation efficiency of the cable crane.