CN119612375B - A cable crane adaptive lifting system - Google Patents
A cable crane adaptive lifting system Download PDFInfo
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- CN119612375B CN119612375B CN202510156815.7A CN202510156815A CN119612375B CN 119612375 B CN119612375 B CN 119612375B CN 202510156815 A CN202510156815 A CN 202510156815A CN 119612375 B CN119612375 B CN 119612375B
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- lifting
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- brake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
一种缆索吊自适应起吊系统，包括多根承重索、沿承重索长度方向设置并悬挂在其表面的两组跑车以及用于牵引两组跑车的牵引索，每组跑车均包括悬挂在承重索上的两件承重轮组以及共同铰接在两件承重轮组下方的起重轮组，两件承重轮组沿承重索长度方向间隔设置，起重轮组的下方设有沿竖直方向运动的吊件，且起重轮组与吊件之间连接有多根起重索，每根起重索的一端共同连接有锚固在地面上的第一起重卷扬机，采用本发明技术方案，能够有效解决现目前缆索吊装牵引系统中，同一侧相邻的两组跑车需要使用两套单独的起重索分别控制吊件的高度，导致缆索吊系统的总重量较重，跑车以及吊件的走线方式还有待优化的问题。
A cable crane adaptive lifting system comprises a plurality of load-bearing cables, two groups of sports cars arranged along the length direction of the load-bearing cables and suspended on the surface thereof, and traction cables for towing the two groups of sports cars, each group of sports cars comprises two load-bearing wheel groups suspended on the load-bearing cables and a lifting wheel group hinged together below the two load-bearing wheel groups, the two load-bearing wheel groups are arranged at intervals along the length direction of the load-bearing cables, a suspension member moving in a vertical direction is arranged below the lifting wheel group, and a plurality of lifting cables are connected between the lifting wheel group and the suspension member, one end of each lifting cable is commonly connected to a first lifting winch anchored on the ground. The technical solution of the present invention can effectively solve the problem that in the current cable lifting and traction system, two adjacent groups of sports cars on the same side need to use two separate sets of lifting cables to respectively control the height of the suspension member, resulting in a heavy total weight of the cable lifting system, and the routing method of the sports cars and the suspension member needs to be optimized.
Description
Technical Field
The invention belongs to the technical field of cable hoisting for bridge construction, and particularly relates to a cable crane self-adaptive hoisting system.
Background
The cable crane is hoisting equipment commonly used for bridge superstructure construction, and consists of a bearing system, a traction system, a hoisting system, a tower and the like. Along with the economic development and social development needs of China, china has urgent demands on large-span bridges with larger spans and stronger bearing capacity, and simultaneously, has higher demands on cable crane hoisting spans and hoisting capacities. The steel wire rope of the cable crane traction system is threaded to the crown block and the steering wheels anchored at the two ends in a reciprocating manner for a plurality of times to form a closed loop. At present, the maximum closed length of a steel wire rope for a cable crane traction system is approximately 2 ten thousand meters, a single ten thousand meters-level traction steel wire rope is difficult to manufacture and transport, a plurality of steel wire ropes are often required to be connected in series, but the smoothness of a connected steel wire rope interface is poor, and the safety risk is increased. With the increase of the hoisting span and hoisting capacity of the cable crane, optimizing the routing method of the cable crane traction system is particularly important under the condition that the maximum length of the steel wire rope is limited.
For example, china patent discloses a bidirectional traction self-adaptive horse race system of a cable hoisting system (patent publication No. CN 110386559A), a triangular connecting beam connects two groups of weighing frame plates into a whole through a connecting shaft, so that the two groups of weighing frame plates can adapt to the posture change of a bearing system, the large-angle climbing construction of the horse race system is met, the number of traction wheels can be ensured to be sufficient in a limited space through the vertical arrangement of the traction wheels of a layered traction system, the traction requirement of large-tonnage heavy objects can be met, and meanwhile, a small traction guide wheel arranged on the upper part of the traction frame can ensure that bearing ropes and traction ropes are layered orderly and do not interfere with each other in the traction process.
According to the technical scheme, the problems that the bearing cable and the traction cable are mutually interfered in the existing horse race system, the climbing is not flexible enough and the moving range is limited due to the fixed structure of the sports car are solved, but the weight of a cable hanging system is not improved, in the actual construction process, two groups of sports cars are usually arranged on the same group of bearing cable, four groups of sports cars are arranged on two sides of the bridge in the width direction and are matched with hanging pieces together to hoist goods, wherein the two groups of sports cars on the same group of bearing cable correspond to two hoisting winches respectively, the two hoisting winches need to use two independent hoisting ropes to control the heights of the hanging pieces on each group of sports car respectively, the installation is complex, the total weight of the cable hanging system is greatly increased, and in the construction of a large or ultra-large bridge, the wiring mode of the cable hanging traction system is required to be optimized, and the total weight of the cable hanging traction system is reduced.
Disclosure of Invention
In view of the above, the present invention aims to provide a cable hoist self-adaptive hoisting system, so as to solve the problems that in the existing cable hoist traction system, two sets of adjacent sports cars on the same side need to use two sets of independent hoisting ropes to control the heights of hoisting members respectively, resulting in heavy total weight of the cable hoist system, and the running modes of the sports cars and the hoisting members are still to be optimized.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The cable crane self-adaptive hoisting system comprises a plurality of bearing cables, two groups of carriages which are arranged along the length direction of the bearing cables and are hung on the surfaces of the bearing cables and a traction cable for traction of the two groups of carriages, wherein each group of carriages comprises two bearing wheel groups which are hung on the bearing cables and a hoisting wheel group which is hinged below the two bearing wheel groups together, the two bearing wheel groups are arranged at intervals along the length direction of the bearing cables, a hoisting piece which moves along the vertical direction is arranged below the hoisting wheel group, a plurality of hoisting cables are connected between the hoisting wheel group and the hoisting piece, one end of each hoisting cable is connected with a first hoisting winch anchored on the ground together, the other end of each hoisting cable bypasses the hoisting wheel group and the hoisting piece on the two groups of carriages simultaneously, and then is connected with a second hoisting winch anchored on the ground;
Each lifting wheel group comprises a connecting shell which is hinged with two bearing wheel groups and a plurality of groups of lifting wheels which are rotationally connected to the surfaces of the connecting shell, wherein each group of lifting wheels are arranged at intervals along the length direction of a bearing rope and correspond to each lifting rope, each lifting rope bypasses the corresponding lifting wheel, a first braking unit used for limiting the movement of each lifting rope is arranged on the connecting shell and is arranged on one side close to an adjacent running car, each first braking unit comprises a plurality of first braking blocks and a hydraulic telescopic cylinder which drives each first braking block to move, each hydraulic telescopic cylinder is fixedly arranged on the connecting shell, each first braking block is arranged at the working end of the corresponding hydraulic telescopic cylinder, and after the working end of the hydraulic telescopic cylinder moves a certain distance towards the corresponding lifting wheel direction close to the adjacent running car, each first braking block is in butt joint with the corresponding lifting rope and limits the movement of the lifting rope.
Further, every the surface of connecting the casing all is equipped with the controller that is used for controlling the motion of hydraulic telescoping cylinder, and the controller electricity is connected with the wireless transmission device that is used for supplying power and remote transmission information, and the power still is connected with power generation subassembly, power generation subassembly sets up on connecting the casing to provide power through the rotation of corresponding jack-up wheelset, and then produce the electric current and charge the power.
Further, each connecting shell is provided with a second braking unit on one side surface close to the adjacent sports car, each second braking unit comprises a supporting shell arranged on one side of the connecting shell, a plurality of second braking blocks and a plurality of third braking blocks, the second braking blocks and the third braking blocks are movably arranged on the supporting shell and correspond to each hoisting cable, each second braking block and the corresponding third braking block are respectively fixedly arranged on two sides of the corresponding hoisting cable at an upper-lower interval, the supporting shell is further rotationally connected with a plurality of movable blocks rotating in a vertical plane, each second braking block and each third braking block which are arranged at an upper-lower interval are respectively fixed on one corresponding movable block, a transmission rod is connected between one end of each movable block and the working end of the hydraulic telescopic cylinder, the transmission rods are rotationally arranged on the surface of the supporting shell, and when the working end of the hydraulic telescopic cylinder moves towards the corresponding hoisting wheel, the corresponding movable blocks are synchronously driven to rotate through the transmission rods, and the surfaces of the second braking blocks and the third braking blocks are simultaneously abutted against the corresponding hoisting cables and limit the movement of the corresponding hoisting cables.
Further, grooves are formed in the surfaces, close to the hoisting ropes, of one side of each of the first brake block, the second brake block and the third brake block, and friction plates are arranged in the grooves.
Further, the surface of each connecting shell is provided with a plurality of displacement sensors corresponding to the lifting ropes one by one, the working ends of the displacement sensors face the corresponding lifting rope surfaces and are used for detecting the displacement of the lifting ropes between the first brake block and the third brake block, and each displacement sensor is electrically connected with a corresponding controller.
Further, the surface of each surface of the connecting shell is provided with a distance sensor, and each distance sensor is electrically connected with a corresponding controller.
The invention has the beneficial effects that:
1. According to the invention, the first braking unit is arranged on each sports car and used for limiting the hoisting rope, so that the routing mode of the bearing rope is optimized, the weight of the hoisting rope corresponding to at least two groups of sports cars can be reduced compared with that of the traditional cable hanging system, and the two adjacent sports cars on the same side can respectively control the heights of the two hanging parts by using the same group of hoisting ropes through the arrangement of the first hoisting machine, the second hoisting machine and the first braking unit, so that the total weight of the traditional cable hanging system is reduced, and the system is suitable for cable hanging systems with large span and ultra-large span;
2. Through set up the second braking unit on every group sports car, can further improve the braking effect to every bearing cable to improve the accurate control to every lifting part height, when timely sports car climbs the slope along the bearing cable, the height of every lifting part can also keep at same level through the control of controller, has guaranteed the security when lifting cargo's stability and bridge are built.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic view of a three-dimensional structure of a cable hoist traction system of the present invention;
FIG. 2 is a side view of the cable hoist traction system of the present invention;
FIG. 3 is a schematic diagram of the overall structure of the cable hoist traction system of the present invention;
FIG. 4 shows the load bearing of the present invention a wheel set structure schematic diagram;
FIG. 5 is an enlarged schematic view of FIG. 4 at A;
FIG. 6 is a vertical cross-sectional view of the connection housing of the present invention;
FIG. 7 is a simplified schematic diagram of a lifting method of a crane according to the present invention.
The figures are marked as follows:
The device comprises a bearing rope 1, a running car 2, a traction rope 3, a bearing wheel set 4, a lifting wheel set 5, a connecting shell 501, a lifting wheel 502, a lifting member 6, a lifting rope 7, a first lifting winch 8, a second lifting winch 9, a first braking unit 10, a first braking block 1001, a hydraulic telescopic cylinder 1002, a second braking unit 11, a second braking block 1101, a third braking block 1102, a movable block 1103, a supporting shell 1104, a driving rod 1105, a groove 12, a friction plate 13, an auxiliary traction rope 14, a power generation assembly 15 and a power supply 16.
Detailed Description
As shown in fig. 1 to 7,
The cable crane self-adaptive hoisting system comprises a plurality of bearing cables 1, two groups of carriages 2 which are arranged along the length direction of the bearing cables 1 and are hung on the surface of each bearing cable 1, and a traction cable 3 for traction of the two groups of carriages 2, wherein one side of each group of carriages 2 towards two ends of a bridge is connected with a corresponding traction winch (the traction winch is arranged at one end of the bridge and is not shown in the figure), the two groups of carriages 2 are linked through an auxiliary traction cable 14, each group of carriages 2 comprises two bearing wheel groups 4 which are hung on the bearing cable 1 and a lifting wheel group 5 which is hinged below the two bearing wheel groups 4 at intervals along the length direction of the bearing cable 1, a lifting member 6 which moves along the vertical direction is arranged below the lifting wheel group 5, three lifting cables 7 are connected between the lifting wheel group 5 and the lifting member 6, one end of each lifting cable 7 is commonly connected with a first lifting winch 8 which is anchored on the ground, the other end of each lifting cable 2 simultaneously bypasses the lifting member 5 on the two groups 2 and a second lifting wheel group 9 which is connected with the lifting member 9 which is arranged at the other end of the lifting cable 2 and then passes through the second lifting wheel group 9 which is connected with the lifting member 9 at the two ends of the lifting cable;
Each lifting wheel set 5 comprises a connecting shell 501 hinged with two bearing wheel sets 4 and a plurality of groups of lifting wheels 502 rotatably connected to the surfaces of the connecting shell 501, wherein each group of lifting wheels 502 is arranged at intervals along the length direction of a bearing rope 1 and corresponds to each lifting rope 7, each lifting rope 7 bypasses the corresponding lifting wheel 502 (the winding mode of the lifting rope 7 and the lifting wheels 502 is the prior art, only a simple winding mode is shown in the drawing and is convenient to explain and explain), each connecting shell 501 is provided with a first brake unit 10 used for limiting the movement of each lifting rope 7, the first brake unit 10 is arranged on one side close to an adjacent running car 2, each first brake unit 10 comprises three first brake blocks 1001 and a hydraulic telescopic cylinder 1002 driving each first brake block 1001 to move, each hydraulic telescopic cylinder 1002 is obliquely arranged on the connecting shell 501 and fixedly connected with each other through a bolt nut, each first brake block 1001 is arranged at the working end of the corresponding hydraulic telescopic cylinder 1002, and when the working end of the lifting rope 7 is close to the corresponding running car 7, the first brake unit 10 is limited to the corresponding running car 2 in the direction of the corresponding running car.
In connection with the illustration in fig. 3, the cable hoist traction system of the invention consists of four sets of carriages 2, in which only two sets of carriages 2 on the same side are shown (the same side refers to two sets of carriages 2 suspended on the same load-bearing cable 1, the context is synonymous), when it is desired to control the height of a hoist 6 on the left set of carriages 2 (in connection with the illustration in fig. 2, in which the carriage 2 on the left is shown), firstly, the working end of each hydraulic telescopic cylinder 1002 on this carriage 2 is controlled to extend so that the surface of each respective first brake block 1001 abuts the corresponding hoist cable 7 and clamps the hoist cable 7 together with the corresponding hoist wheel 502, limiting the movement of the hoist cable 7, and for convenience of explanation, the position of the first brake block 1001 and the hoist wheel 502 together clamping the hoist cable 7 is called the adjustable anchor head, while the hoist cable 7 between the adjustable anchor head and the first hoist 8 can be moved (in connection with the illustration in fig. 7), at this time the height of another hoist 6 can be controlled by controlling the hoist 8 to retract the hoist cable 7; in the same way, the steps can be repeated in the same way as the other group of sports cars 2 on the same side of the sports car 2, and the movement of the corresponding hoisting ropes 7 can be limited by controlling the first brake block 1001, so that the height adjustment of the hoisting pieces 6 corresponding to the sports car 2 can be realized by controlling the second hoisting winch 9, the height adjustment mechanisms of the two hoisting pieces 6 are independent and cannot affect each other, the purpose that the first hoisting winch 8 and the second hoisting winch 9 respectively control the heights of the hoisting pieces 6 on the two groups of sports cars 2 can be realized, wherein, as shown in the combination of figures 2 and 7, the distance between two adjacent sets of sports cars 2 can be indirectly adjusted by adjusting the length of the auxiliary traction rope 14 between the two adjacent sets of sports cars 2 (a winch for winding the auxiliary traction rope can be arranged on each set of sports cars, or components such as a hydraulic telescopic cylinder and the like can be arranged, which can be realized by a person skilled in the art, and are not repeated here), so that hoisting of hoisting units with different lengths is realized, and the application range of the invention is improved to a certain extent.
When the lifting pieces 6 on each group of sports cars 2 need to be lowered or retracted at the same time, each first brake block 1001 is controlled not to abut against the lifting rope 7 any more, at this time, only the first lifting winch 8 can be controlled to retract the lifting rope 7 to realize synchronous adjustment of the heights of the two lifting pieces 6, and the second lifting winch 9 does not operate, of course, only the second lifting winch 9 can be controlled to retract, and the first lifting winch 8 does not operate, and in addition, the first lifting winch 8 and the second lifting winch 9 can be synchronously controlled to retract at the same speed, so that the horizontal heights of the two lifting pieces 6 can be synchronously adjusted at twice the speed;
When two sets of sports cars 2 move under the drive of a traction rope 3, the purpose of winding and unwinding the hoisting ropes 7 can be guaranteed by controlling the first hoisting winch 8 and the second hoisting winch, the normal operation of the sports cars 2 cannot be affected, when the sports cars 2 are driven by the traction rope 3 to approach one end of a bridge, the heights of the cable hoisting traction systems are gradually reduced from two ends of the bridge to the middle (due to the dead weight of the cable hoisting traction systems and the situation of hoisting cargoes), so that the sports cars 2 can be in a climbing state when approaching the two ends of the bridge, at the moment, the two sets of sports cars 2 on the same side can be in a height difference, of course, the hoisting pieces 6 can also be in a height difference, the winding and unwinding speeds of the first hoisting winch 8 and the second hoisting winch 9 can be controlled to be in different rotating speeds, the heights of each hoisting winch 6 can be adjusted through the speed difference of the two hoisting winches, when the heights of the sports cars 6 are in the same horizontal plane, the heights of the hoisting winches 8 and the second hoisting winch 9 are controlled again to be controlled to be in the same hoisting rope state, the heights of the hoisting systems on the two sides can be reduced, compared with the conventional hoisting systems, the total weight of the hoisting systems can be reduced, the total length of the hoisting systems can be reduced, compared with the conventional hoisting systems can be greatly reduced, and the length of the hoisting systems can be greatly reduced when the hoisting systems are in the rope and the heights of the hoisting systems are in the same, and the length of the hoisting system can be greatly reduced.
In this embodiment, a controller for controlling the movement of the hydraulic telescopic cylinder 1002 is disposed on the surface of each connection housing 501, and the controller is electrically connected with a power source 16 for supplying power and a wireless transmission device for remotely transmitting information (the wireless transmission device may adopt a wireless transmission technology such as 5G, wi-Fi, etc.), and the power source 16 is further electrically connected with a power generation assembly 15, where the power generation assembly 15 is fixed on the surface of the connection housing 501 by bolts and provides power by rotation of the corresponding lifting wheel set 5, so as to generate current and charge the power source 16, and of course, the power generation assembly 15 may also be disposed on the bearing wheel set 4 and provide power by rotation of the bearing wheel set 4, and charge the power source 16.
The power generation assembly 15 comprises a rotor, a shell with a magnetic field and a coil, wherein the rotor is in power connection with one wheel in the lifting wheel set 5 (shown in combination with fig. 6), when the lifting wheel set 5 moves and drives the rotor to rotate, when the rotor rotates in the shell with the magnetic field, according to faraday's law of electromagnetic induction, induced electromotive force can be generated in the coil and the power supply 16 is charged, therefore, the technical principle can be realized for a person skilled in the art, the corresponding equipment installation and realization process are not repeated herein, when each group of running cars 2 moves along the length direction of a lifting rope 7, each bearing wheel on the bearing wheel set 4 can rotate, of course, the traction wheel can also rotate, and when the height of each lifting piece 6 is adjusted, other lifting wheels 502 corresponding to the first brake block 1001 are removed from each group of running cars 2 (under the condition that an adjustable anchor exists), the rotating bearing wheels and the lifting wheels 502 can generate current through electromagnetic induction and charge the power supply 16, the controller and the power supply 16 are guaranteed to be charged, the hydraulic power generation assembly is not required to be arranged between the two groups of running cars, and the power generation assembly is not required to be arranged between the two power generation assemblies, and the power generation assembly is not to be provided with a bridge 15, and the power generation assembly is not normally arranged, and the power generation assembly is not required to be provided with an electromagnetic power generation assembly is arranged between the two power generation assembly.
In this embodiment, each of the connecting housings 501 is provided with a second brake unit 11 on a side surface of the connecting housing 501 near the adjacent sports car 2, the second brake unit 11 includes a support housing 1104 disposed on one side of the connecting housing 501, and a plurality of second brake blocks 1101 and a plurality of third brake blocks 1102 movably disposed on the support housing 1104, each of the second brake blocks 1101 and the third brake blocks 1102 corresponds to one of the second brake blocks 1101 and 1102, wherein each of the second brake blocks 1101 and the corresponding third brake block 1102 are fixedly disposed on two sides of the corresponding hoisting cable 7 at an up-down interval (each of the third brake blocks 1102 and the corresponding second brake block 1101 are disposed at a left-right interval on a horizontal plane), the support housing 1104 is further rotatably connected with a plurality of movable blocks 1103 rotating in a vertical plane, each of the two movable blocks 1103 corresponds to one of the hoisting cables 7, and each of the second brake blocks 1101 and the third brake blocks 1102 is fixedly disposed between the corresponding two movable blocks 1103, one end of each of the movable blocks 1101 and the corresponding movable blocks 1103 is connected with a transmission rod 1002 and a hydraulic rod, and a transmission rod is simultaneously connected to the transmission rod 1002 and a hydraulic rod is connected to the transmission rod 1002 and a transmission rod.
When the height of the hanging piece 6 below one of the running cars 2 is required to be adjusted, the working end of each hydraulic telescopic cylinder 1002 on the running car 2 is controlled to start working, the working end of each hydraulic telescopic cylinder 1002 stretches out and drives the corresponding lifting wheel 502 to move, meanwhile, the working end of each hydraulic telescopic cylinder 1002 rotates through the transmission rod 1105 in the stretching process, the transmission rod 1105 rotates and drives the corresponding movable block 1103 to deflect (the moment length from the rotation center of the transmission rod 1105 to the hydraulic telescopic cylinder 1002 is larger than the moment length to the movable block 1103 in the combining drawing, a labor-saving lever is formed, the moment of each hydraulic telescopic cylinder 1002 can be amplified and improved), the second brake block 1101 and the third brake block 1102 connected with the movable block 1103 are synchronously driven to rotate clockwise for a certain angle after the movable block 1103 deflects, the second brake block 1101 and the third brake block 1102 are simultaneously abutted against the corresponding lifting rope 7, when the hydraulic telescopic cylinder 1002 drives the first brake block 1001 to be abutted against the lifting rope 7 and apply a certain pressure and then keep the state at the present state, and each second brake block 1101 and the third brake block 1102 are simultaneously abutted against the corresponding lifting rope 7, and the second brake block 1101 and the third brake block 1102 are simultaneously abutted against the surface of the lifting rope 7 and deform when moving along with the movable block 1103, so that the contact area of the lifting rope 7 and each second brake block 1101 and the third brake block 1102 can be effectively improved, the friction force between the lifting rope 7 and the third brake block 1102 can be increased, the stability degree of the adjustable anchor head can be effectively improved, the lifting rope 7 at the adjustable anchor head is prevented from being displaced when the lifting piece 6 is used for lifting large-scale cargos, the phenomenon that the height of the lifting piece 6 is deviated is caused, thereby improving the motion stability of the whole cable hoist traction system.
In this embodiment, a groove 12 is formed on a surface of each of the first brake pad 1001, the second brake pad 1101, and the third brake pad 1102, which is close to the lifting rope 7, and a friction plate 13 is embedded in the groove 12.
In combination with the illustration, the groove 12 for placing the friction plate 13 is formed on the surface of one side of each brake block, which is in contact with the lifting rope 7, so that the friction force between each brake block and the lifting rope 7 can be effectively improved (for convenience of explanation, each brake block represents each first brake block 1001, each second brake block 1101 and each third brake block 1102, the contexts are consistent), the stability of the adjustable anchor head is further effectively improved, the lifting rope 7 is prevented from being displaced under the condition of being limited by a plurality of brake blocks, the braking effect on each lifting rope 7 is finally improved, and the stability of the lifting piece 6 during height adjustment is ensured.
In this embodiment, the surface of each connection housing 501 is provided with three displacement sensors (not shown in the drawing) corresponding to the lifting cables 7 one by one, and each of the displacement sensors has a working end facing the surface of the corresponding lifting cable 7 and is used for detecting the displacement amount of the lifting cable 7 between the first brake block 1001 and the third brake block 1102, and each of the displacement sensors is electrically connected to the corresponding controller.
In combination with the illustration, each third brake block 1102 and the corresponding second brake block 1101 are arranged at left and right intervals on the horizontal plane, when each brake block abuts against the lifting rope 7 and limits the movement of the lifting rope 7, the lifting rope 7 between the first brake block 1001 and the third brake block 1102 is also kept at the current position, at the moment, the movement state of the lifting rope 7 is monitored in real time through the corresponding displacement sensor, when the lifting piece 6 lifts cargoes, if the displacement sensor detects that the corresponding lifting rope 7 displaces, the limitation at the adjustable anchor head is unstable, the telescopic end of each hydraulic telescopic cylinder 1002 needs to be controlled to move continuously towards the corresponding lifting wheel 502, the pressure applied to the lifting rope 7 is improved, and the stability at the adjustable anchor head is further improved, and the displacement of the lifting rope 7 can be detected through the displacement sensor, the height of the lifting piece 6 can be compensated in a manner of retracting the lifting rope 7 by controlling the corresponding first lifting winch 8 or the second lifting winch 9, so that the specified height of the lifting piece 6 is ensured to be improved.
In the present embodiment, the surface of each of the connection housings 501 is provided with a distance sensor (not shown in the drawing) for detecting the distance between the hanger 6 and the connection housing 501, and each of the distance sensors is electrically connected to a corresponding controller.
The distance between the hanging parts 6 and the sports car 2 can be monitored in real time through the distance sensor, the height of each hanging part 6 can be monitored in real time, the detected data are sent to the controller, then the lifting rope 7 is wound and unwound through the first lifting winch 8 and the second lifting winch 9, and then the hanging parts 6 are controlled to be on the same horizontal plane, so that the stability in the process of lifting cargoes can be guaranteed.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510156815.7A CN119612375B (en) | 2025-02-13 | 2025-02-13 | A cable crane adaptive lifting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510156815.7A CN119612375B (en) | 2025-02-13 | 2025-02-13 | A cable crane adaptive lifting system |
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| CN119612375A CN119612375A (en) | 2025-03-14 |
| CN119612375B true CN119612375B (en) | 2025-06-17 |
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| CN213445868U (en) * | 2020-09-30 | 2021-06-15 | 广西路桥工程集团有限公司 | Single main cable sports car with truss structure |
| CN119191115A (en) * | 2024-10-29 | 2024-12-27 | 中交二公局第四工程有限公司 | A tower-free rock anchor system intelligent cable hoisting system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH150394A (en) * | 1930-09-09 | 1931-10-31 | Adolf Bleichert & Co Aktienges | Working procedures for cable cranes with variable unloading points, especially for transporting concrete on construction sites. |
| AT291478B (en) * | 1968-12-03 | 1971-07-12 | Fritz Ing Baum | Freight elevator |
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| DE102011013304B4 (en) * | 2011-03-07 | 2014-08-14 | Technische Universität Dresden | Carriage for a rope line for the transport of general cargo |
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| CN221680624U (en) * | 2024-03-06 | 2024-09-10 | 湖南省中南桥梁安装工程有限公司 | Crown block structure of double crown block cable crane |
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2025
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213445868U (en) * | 2020-09-30 | 2021-06-15 | 广西路桥工程集团有限公司 | Single main cable sports car with truss structure |
| CN119191115A (en) * | 2024-10-29 | 2024-12-27 | 中交二公局第四工程有限公司 | A tower-free rock anchor system intelligent cable hoisting system and method |
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