CN211310620U - Transportation emergency guarantee cable conveying device - Google Patents

Transportation emergency guarantee cable conveying device Download PDF

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Publication number
CN211310620U
CN211310620U CN201921339864.0U CN201921339864U CN211310620U CN 211310620 U CN211310620 U CN 211310620U CN 201921339864 U CN201921339864 U CN 201921339864U CN 211310620 U CN211310620 U CN 211310620U
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China
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cable
traction
load
bearing
support
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刘嘉武
陈士通
支墨墨
鲍林栋
陈晓明
孙志星
徐光兴
张耀辉
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Shijiazhuang Tiedao University
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Shijiazhuang Tiedao University
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Abstract

The utility model relates to a transportation emergency support cable conveying device, which comprises an auxiliary tower frame, a bearing device, a traction device, a lifting device and a cable holding automatic stop device; the auxiliary towers are arranged on the shores at two sides of the bridge to be rush-repaired, and the bearing device comprises a bearing cable and an anchor buried in a mountain body at the side of the bridge; two ends of the bearing cable are respectively and fixedly connected with the corresponding anchors through the tops of the auxiliary towers; the lifting device is arranged on the bearing device and the traction device; the cable gripping automatic stop device is arranged on the lifting device; the utility model discloses can utilize the effect of load dolly performance cable support, compare in existing cable crane, this utility model has saved the branch cable ware again. The reduction of cable kind, cable quantity and branch rope ware has greatly simplified the utility model discloses a structure is established the basis for the quick installation of cable conveyor under the emergency state and form emergent guarantee ability fast.

Description

Transportation emergency guarantee cable conveying device
Technical Field
The utility model relates to an emergent guarantee cable conveyor of traffic belongs to the emergent technical field of salvageing of road.
Background
When the bridge is used as the throat of a traffic line, the traffic line is interrupted due to damage of the bridge in earthquake, flood, debris flow and war states, so that traffic emergency guarantee is particularly important. In recent years, the bridge construction in China has been developed rapidly, various novel large-span bridges have been developed endlessly, and particularly, novel super bridges such as a large-span suspension bridge, a cable-stayed bridge, an arch bridge and a rigid frame bridge which span canyons continuously appear on railways and highways in mountain areas; according to the geographical environment of the bridge, the bridge can be divided into a plain bridge, a deep water long-span bridge and a high mountain canyon bridge; at present, corresponding emergency repair equipment is reserved in China for bridges in plain zones, and certain emergency guarantee capacity is formed, for example, a 321 steel bridge, a ZB200 steel bridge, an assembled highway steel bridge pier and the like for rush repair of highway bridges, six-four beams, eight-seven beams, dismounting beams, eight-three piers, six-five piers and the like for rush repair of railway bridges and bridges are used, but the emergency repair equipment can only be used for emergency guarantee of the bridges in plain zones. For wide river zones, alternative means such as highway boat bridges, railway floating bridges and the like are used for traffic emergency guarantee in China; in addition, if a bridge in a high mountain canyon zone is damaged, particularly in a deep valley zone, the height difference of a line from a valley bottom to a valley top can reach hundreds of meters, and a river line cannot be built due to the fact that the mountain canyon is deep, so that various bridge emergency repair means such as existing wheel crossing opening, floating bridge erection, roundabout transportation and the like cannot be used as power, and in addition, in view of the fact that the adaptability of the existing emergency repair bridge piers is only dozens of meters, the height of the emergency repair bridge piers cannot meet emergency repair requirements, it is very difficult to carry out original bridge emergency repair and build a temporary bridge in a short period, therefore, the bridge in the high mountain canyon zone is damaged and faces the technical problem that traffic transportation guarantee cannot be carried out, and a new technical means and equipment are urgently needed to improve the traffic emergency guarantee capability of the high mountain canyon zone, and emergency transportation of guarantee objects such as train vehicles, container vehicles, military equipment and trains.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a when deep water strides bridge and mountain canyon area bridge suddenly and is damaged, loses the transport capacity greatly, can stride across wide and big river or canyon area and carry out emergent guarantee cable conveyor of traffic is provided, solve current bridge and salvage equipment and stride across the ability low, piece together the problem that the place is big, topographic ability adaptability is poor of erectting.
The utility model adopts the following technical scheme:
the utility model comprises an auxiliary tower frame, a bearing device, a traction device, a lifting device and a cable holding automatic stop device; the auxiliary towers are arranged on the shores at two sides of the bridge to be rush-repaired, and the bearing device comprises a bearing cable and an anchor buried in a mountain body at the side of the bridge; two ends of the bearing cable are respectively and fixedly connected with corresponding anchors through the tops of the auxiliary towers; the lifting device is arranged on the bearing device and the traction device; the cable gripping automatic stop device is arranged on the lifting device.
The utility model discloses an auxiliary tower frame comprises a tower body, an upper pulley block A, a cable saddle and a lower pulley block A; the tower body is arranged on the bank side of two ends of the bridge to be rush-repaired; the top of the tower body is sequentially provided with an upper pulley block A, a cable saddle and a lower pulley block A from top to bottom; and the two end parts of the bearing cable are respectively and fixedly connected with the anchor on the bank side through the corresponding cable saddle top surfaces.
The traction device of the utility model comprises a traction cable upper support, a traction cable lower support, a tension device and a winch; the winch is arranged on one side of the bottom of the tower body; the tensioning device comprises an upper pulley block B, a lower pulley block B and a lifting rope arranged between the upper pulley block B and the lower pulley block B, and the other end of the lifting rope is fixed with the shackle; the lower pulley block B is connected with the ground anchor through a steel wire rope; the upper pulley block B is connected with the pulley A through a steel wire rope; the upper traction cable support and the lower traction cable support are of closed loop structures; one end of the upper traction cable and one end of the lower traction cable are wound on the winch, and the other end of the upper traction cable and the lower traction cable are wound on the pulley A; the two ends of the upper traction cable are wound around the upper pulley block A respectively, and the two ends of the lower traction cable are wound around the lower pulley block A respectively.
The number of the hoisting devices of the utility model is 10-12, and the hoisting devices are arranged along the direction of the bridge along the bearing cable, and the specific number of the hoisting devices can be adjusted according to the emergency guarantee requirement; the lifting device comprises a load-carrying trolley, a lifting appliance arranged at the bottom of the load-carrying trolley and a sling arranged at the bottom of the lifting appliance; the top of the load-carrying trolley is provided with a plurality of travelling wheels which are supported on a bearing cable, the upper part of the load-carrying trolley is provided with a bearing cable gripper, and the lower part of the load-carrying trolley is provided with a traction cable gripper; the running and parking states of the load-carrying trolley are realized through the closing and opening actions of the load-carrying cable gripper and the traction cable gripper.
The utility model discloses a load dolly includes lower equalizing beam, hinges the shoulder pole roof beam in lower equalizing beam bottom, hinges the upper equalizing beam in the top surface of lower equalizing beam both ends top surface, hinges the frame in upper equalizing beam top surface and installs the walking wheel on the frame, and the carrier cable rope gripper is installed on walking wheel's side frame through the crossbeam, and the carrier cable passes from the carrier cable rope gripper inside; the traction cable gripper is fixed on the upper top surface of the lower equalizing beam, and the lower support of the traction cable penetrates through the traction cable gripper; when the winch rotates, the upper traction cable support and the lower traction cable support respectively and correspondingly move around the upper pulley block A and the lower pulley block A above the auxiliary tower on the two banks of the bridge, when the lower traction cable support is tightly held by the traction cable gripper and the bearing cable gripper releases the bearing cable, the load-bearing trolley can be conveyed between the two banks as required under the action of the winch, and the upper traction cable support only rotates circularly; the winch, the bearing rope gripper and the traction rope gripper are controlled by a cable gripping automatic stop device.
The utility model discloses a cable-gripping self-stopping device comprises a hoisting motor M0, a load-bearing cable-gripping motor M1, a traction cable-gripping motor M2, a load-bearing cable control branch and a traction cable control branch; a terminal U1, a terminal V1 and a terminal W1 of the winch motor M0 are connected with an L1 phase, an L2 phase and an L3 phase of an alternating current power supply through a frequency converter BPQ and a low-voltage circuit breaker QF 1; the transmission shaft of the winch motor M0 is connected with the winch 204, the winch motor M0 is driven by the frequency converter BPQ, and when the microswitch K1, the microswitch K2, the microswitch K4 and the microswitch K5 of the frequency converter BPQ are respectively operated, the winch 204 can realize forward rotation, reverse rotation and low-medium-high speed operation; the terminal U2, the terminal V2 and the terminal W2 of the carrying cable clenching motor M1 are connected to the L1 phase, the L2 phase and the L3 phase of an alternating current power supply through a normally open contact KM1-3 and a low-voltage breaker QF2 of an alternating current contactor; the U3, the V3 and the W3 of the traction rope clenching motor M2 are connected to the L1 phase, the L2 phase and the L3 phase of an alternating current power supply through a normally open contact KM2-3 and a low-voltage breaker QF3 of an alternating current contactor; the carrying cable control branch comprises a stop button S10, a button switch S11, an alternating current contactor coil KM1 and a normally closed auxiliary contact KM2-2 of an alternating current contactor KM 2; the stop button S10 is connected in series with a button switch S11, a normally closed auxiliary contact KM2-2 and an alternating current contactor KM1 in sequence and then is connected between an alternating current power supply L1 phase and an alternating current power supply L2 phase, and a normally open auxiliary contact KM1-1 of an alternating current contactor coil KM1 is connected in parallel with the button switch S11; the traction rope control branch comprises a stop button S10, a button switch S12, an alternating current contactor coil KM2 and a normally closed auxiliary contact KM1-2 of an alternating current contactor KM 1; the stop button S10 is connected in series with the button switch S12, the normally closed auxiliary contact KM1-2 and the AC contactor coil KM2 in sequence and then connected between the phase L1 and the phase L2 of the AC power supply, and the normally open auxiliary contact KM2-1 of the AC contactor coil KM2 is connected in parallel with the button switch S12.
The utility model discloses still carry auxiliary device including loading and unloading, the loading and unloading carries a set of above jack that auxiliary device set up for the symmetry, the jack passes through the oil circuit and is connected with the pump station, rises to rise in step or descends between each jack.
The utility model discloses positive effect as follows:
the utility model discloses the auxiliary tower of piecing together of waiting to salvage bridge both sides bank as required, the upper pulley group and the lower pulley group of installation on it are used for supporting respectively that the haulage cable goes up and the haulage cable is down stretched, the cable saddle is used for supporting the carrier cable, overspeed device tensioner's length is adjustable, be used for supporting for the haulage cable go up and apply the pretightning force under the haulage cable, cable saddle top surface bears vertical load for the arc, be used for supporting the carrier cable, the anchor of massif both sides is used for fixed carrier cable, make the load dolly move on the carrier cable, realize the operation and the parking state of load dolly through the closure of carrier cable gripper and haulage cable gripper and the action of opening. Four 40T jacks of the unloading auxiliary device synchronously jack up a single carriage of a train for conveying emergency materials, and slings of the load-carrying trolley continuously convey the jacked single carriage to the opposite bank section by section, so that the emergency guarantee effect is achieved, and time and labor are saved. The utility model discloses used supplementary pylon adopts existing bridge to salvage system equipment and pieces together, need not to process the deposit in addition, and the required system equipment member overall dimension of piece together pylon is little, the spare weight is light, is convenient for promptly transport, and required place is few when the on-the-spot piece together erects, and adaptation topography ability is strong, has improved emergent guarantee ability. The utility model discloses used load dolly, carrying pole roof beam, lower equalizing beam, go up and be articulated between equalizing beam and the frame, realized that the carrying pole roof beam lifts by crane the load to walking the balanced mode of level four of road wheel load distribution, with the vehicle load homodisperse of emergent transport to each walk the road wheel, in addition, the balanced design of level four has realized respectively walking the road wheel group and has followed the in good time rotation of bearing cable line type, can ensure that each walks the road wheel and is unanimous with the interaction force size of bearing cable. The utility model discloses the loading and unloading of waiting haulage vehicle is carried to the auxiliary device is carried in the utilization loading and unloading, thereby has removed the system that rises on the load dolly, compares with existing cable crane, removes the system that rises of load dolly, and cable kind and cable quantity among the reducible cable system simplify the cable structure, in addition, because the reduction of cable kind, the utility model discloses can utilize the effect of load dolly performance cable support, compare in existing cable crane, the utility model discloses save again and divide the rope ware. The reduction of cable kind, cable quantity and branch rope ware has greatly simplified cable conveyor's structure, establishes the basis for the quick installation of cable conveyor under emergency state and form emergent guarantee ability fast.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
FIG. 3 is a schematic structural view of an auxiliary tower according to the present invention;
FIG. 4 is a schematic diagram of a side view structure of the auxiliary tower of the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 1;
FIG. 6 is a schematic structural view of the loading trolley of the present invention;
FIG. 7 is a schematic side view of the loading cart of the present invention;
FIG. 8 is a schematic view of the electrical principle of the cable grip automatic stop device of the present invention;
FIG. 9 is a schematic diagram of the loading/unloading auxiliary device of the present invention;
fig. 10 is a schematic structural diagram of the tensioning device of the present invention.
Detailed Description
As shown in the attached drawings 1-10, the utility model comprises an auxiliary tower frame 4, a bearing device, a traction device, a lifting device 3 and a cable holding automatic stop device; the auxiliary towers 4 are arranged on the shores at two sides of the bridge to be rush-repaired, and the bearing device comprises a bearing cable 101 and an anchor 102 buried in a mountain body at the side of the bridge; two ends of the bearing cable 101 are respectively and fixedly connected with corresponding anchors 102 through the tops of the auxiliary towers 4; the lifting device 3 is arranged on the bearing device and the traction device; the cable gripping automatic stop device is arranged on the hoisting device 3; the device further comprises a loading and unloading auxiliary device 5, the unloading auxiliary device 5 is more than one group of symmetrically arranged jacks 51, and the jacks 51 are connected with a pump station 53 through oil ways 52. In this embodiment, there are two sets of jacks 51, the jacking force of each jack 51 is 40T, and each jack 51 is supplied with oil through an oil path 52 and a pump station 53, and is lifted or lowered synchronously.
The auxiliary tower 4 of the utility model comprises a tower body 401, an upper pulley block A403, a cable saddle 402 and a lower pulley block A404; the tower body 401 is arranged on the bank side of two ends of the bridge to be rush-repaired; an upper pulley block A403, a cable saddle 402 and a lower pulley block A404 are sequentially arranged on the top of the tower body 401 from top to bottom; the two end parts of the bearing cable 101 are respectively and fixedly connected with the anchor 102 on the shore through the top surfaces of the corresponding cable saddles 402. The cable saddle 402 is used for supporting the load-bearing cable 101, so that the load-bearing cable 101 is in a stretching working state.
The traction device of the utility model comprises a traction cable upper support 201, a traction cable lower support 202, a tension device 203 and a winch 204; the winch 204 is arranged on one side of the bottom of the tower body 401, and the specific type of the winch 204 is determined according to the on-site working condition; the tensioning device 203 comprises an upper pulley block B205, a lower pulley block B206 and a lifting rope 207 arranged between the upper pulley block B205 and the lower pulley block B206, and the other end of the lifting rope 207 is fixed with a shackle 208; the lower pulley block B206 is connected with the ground anchor 7 through a steel wire rope; the upper pulley block B205 is connected with a pulley A209 through a steel wire rope; the upper traction cable support 201 and the lower traction cable support 202 are of closed loop structures; one end of the upper traction cable 201 and the lower traction cable 202 is wound on the winch 204, and the other end is wound on the pulley A209; the two ends of the upper traction cable 201 respectively bypass the upper pulley block A403, and the two ends of the lower traction cable 202 respectively bypass the lower pulley block A404. The distance between the upper pulley block B205 and the lower pulley block B206 is adjusted by pulling the lifting rope 207 by external force, so that the upper traction cable 201 and the lower traction cable 202 are tensioned and released; after the distance between the upper pulley block B205 and the lower pulley block B206 is proper, the lifting rope 207 is fixed through the shackle 208, and the number of the upper pulley block B205, the lower pulley block B206 and the shackle 208 is determined according to actual working conditions, which is not described herein again.
The lifting device 3 of the utility model comprises a load-carrying trolley 301, a lifting appliance 302 arranged at the bottom of the load-carrying trolley 301 and a lifting rope 303 arranged at the bottom of the lifting appliance 302; a plurality of travelling wheels 304 are arranged at the top of the load-carrying trolley 301, the travelling wheels 301 are supported on the carrying cable 101, a carrying cable gripper 305 is arranged at the upper part of the load-carrying trolley 301, and a traction cable gripper 306 is arranged at the lower part of the load-carrying trolley 301; the specific models of the load bearing rope gripper 305 and the traction rope gripper 306 are determined according to requirements; the number of the lifting devices 3 is 10-12, the lifting devices are arranged along the bridge direction of the bearing cable 101, and the specific number of the lifting devices can be adjusted according to the emergency guarantee requirement.
The utility model discloses a load trolley 301 includes lower equalizing beam 307, articulates the shoulder pole roof beam 308 in lower equalizing beam 307 bottom, articulates in the last equalizing beam 309 of lower equalizing beam 307 both ends top surface, articulates in the frame 310 of last equalizing beam 309 top surface and installs on the frame 310 walk the wheel 311, all articulate between shoulder pole roof beam 308, lower equalizing beam 307, last equalizing beam 309 and the frame 310, realized that shoulder pole roof beam 308 lifts by crane the load to walk the four-level balanced mode of wheel 304 load distribution, reached the purpose of load uniform distribution; the carrying cable gripper 305 is arranged on a side frame of the traveling wheel 301 through a cross beam, and the carrying cable 101 passes through the carrying cable gripper 305; the pull cable grip 306 is secured to the upper top surface of the lower equalizer beam 307 and the pull cable lower 202 passes through the interior of the pull cable grip 306.
The hoist 204, the load-bearing rope gripper 305 and the traction rope gripper 306 are controlled by a rope gripping self-stop device. The cable gripping self-stopping device consists of a winding motor M0, a load-bearing cable gripper motor M1, a traction cable gripper motor M2, a load-bearing cable control branch and a traction cable control branch; a terminal U1, a terminal V1 and a terminal W1 of the winch motor M0 are connected with an L1 phase, an L2 phase and an L3 phase of an alternating current power supply through a frequency converter BPQ and a low-voltage circuit breaker QF 1; the transmission shaft of the winch motor M0 is connected with the winch 204, the winch motor M0 is driven by the frequency converter BPQ, and when the microswitch K1, the microswitch K2, the microswitch K4 and the microswitch K5 of the frequency converter BPQ are respectively operated, the winch 204 can realize forward rotation, reverse rotation and low-medium-high speed operation; the terminal U2, the terminal V2 and the terminal W2 of the carrying cable clenching motor M1 are connected to the L1 phase, the L2 phase and the L3 phase of an alternating current power supply through a normally open contact KM1-3 and a low-voltage breaker QF2 of an alternating current contactor; the U3, the V3 and the W3 of the traction rope clenching motor M2 are connected to the L1 phase, the L2 phase and the L3 phase of an alternating current power supply through a normally open contact KM2-3 and a low-voltage breaker QF3 of an alternating current contactor; the carrying cable control branch comprises a stop button S10, a button switch S11, an alternating current contactor coil KM1 and a normally closed auxiliary contact KM2-2 of an alternating current contactor KM 2; the stop button S10 is connected in series with a button switch S11, a normally closed auxiliary contact KM2-2 and an alternating current contactor KM1 in sequence and then is connected between an alternating current power supply L1 phase and an alternating current power supply L2 phase, and a normally open auxiliary contact KM1-1 of an alternating current contactor coil KM1 is connected in parallel with the button switch S11; the traction rope control branch comprises a stop button S10, a button switch S12, an alternating current contactor coil KM2 and a normally closed auxiliary contact KM1-2 of an alternating current contactor KM 1; the stop button S10 is connected in series with the button switch S12, the normally closed auxiliary contact KM1-2 and the AC contactor coil KM2 in sequence and then connected between the phase L1 and the phase L2 of the AC power supply, and the normally open auxiliary contact KM2-1 of the AC contactor coil KM2 is connected in parallel with the button switch S12.
When the load-carrying trolley 301 is going to run along the load-carrying cable 101, the starting button switch S11 is pressed, the AC contactor coil KM1 is electrified, the main contact KM1-3 of the AC contactor coil KM1 is closed, the load-carrying cable gripper motor M1 is electrified to run, and the load-carrying cable gripper 305 is released; meanwhile, a normally closed auxiliary contact KM1-2 of an alternating current contactor coil KM1 is disconnected, and is interlocked with a traction cable control branch; the traction cable gripping motor M2 is in a power-off state, the traction cable gripper 306 is in a gripping state, and the load-carrying trolley 301 runs along the load-bearing cable along the bridge direction under the dragging working condition of the traction cable.
When the load-carrying trolley 301 runs in place, the stop button S10 is pressed, the AC contactor coil KM1 is powered off and released, the carrying cable gripping motor M1 is powered off and stops rotating, and the carrying cable gripper 305 grips the carrying cable; at the moment, a starting button S12 is pressed, a coil KM2 of the alternating current contactor is electrified, a main contact KM2-3 of the alternating current contactor KM2 is closed, a traction cable grasper motor M2 is electrified to operate, and the traction cable grasper 306 is loosened; meanwhile, a normally closed auxiliary contact KM2-2 of the alternating current contactor KM2 is disconnected, and is interlocked with the bearing rope control branch; the load cable gripping motor M1 is in a power-off state, the load cable gripper 305 is in a gripping state, at the moment, the load trolley stops running, and the traction cable and the load trolley are separated from traction relation.
For a deepwater large-span bridge and a high-mountain canyon zone bridge which need important guarantee, an anchor 102 and an earth anchor 7 can be pre-buried during bridge construction, when the deepwater large-span bridge and the high-mountain canyon zone bridge are suddenly damaged and lose transport capacity, auxiliary towers are assembled on the two sides of the bridge to be rush-repaired on the shoreside, two ends of a bearing cable 101 are fixed on the anchor 102 through a cable saddle 402 on the top of the auxiliary towers, one end of a tensioning device is connected with the earth anchor 7, two ends of an upper traction cable 201 respectively bypass an upper pulley group A403, two ends of a lower traction cable 202 respectively bypass a lower pulley group A404, one ends of the upper traction cable 201 and the lower traction cable 202 are wound on a winch 204, and the other ends of the upper traction cable 201 and the lower traction cable 202 are wound on a pulley; the distance between the upper pulley block B205 and the lower pulley block B206 is adjusted by pulling the jack rope 207 by external force, so that the upper traction cable 201 and the lower traction cable 202 are tensioned and released to meet the operation requirement; after the distance between the upper pulley block B205 and the lower pulley block B206 is proper, the lifting rope 207 is fixed through the shackle 208, the load-carrying trolley, the traction rope gripper 306 and the load-carrying rope gripper 305 are correspondingly arranged on the lower traction rope 202 and the load-carrying rope 101, the train carriage for conveying emergency materials on the shore is disjointed into single carriages section by section, the single carriage is lifted through the lifting rope 303 of the load-carrying trolley, the single carriage of the train for conveying the emergency materials is synchronously jacked up through the four 40T jacks 51 of the unloading auxiliary device, and the jacked single carriage is continuously conveyed to the opposite shore section by section through the lifting rope of the load-carrying trolley, so that the emergency guarantee effect is achieved.
In addition, in the initial construction stage of the high mountain canyon zone bridge, the bridge sections are mostly hoisted or cast by adopting cable cranes, and when the bridge is suddenly damaged and loses transportation capacity, the bridge can be reconstructed on the basis of the original construction cable crane to form a cable conveying device for emergency guarantee.
The utility model discloses used supplementary pylon adopts existing bridge to salvage system equipment and pieces together, need not to process the deposit in addition, and the required system equipment member overall dimension of piece together pylon is little, the spare weight is light, is convenient for promptly transport, and required place is few when the on-the-spot piece together erects, and adaptation topography ability is strong, has improved emergent guarantee ability. The utility model discloses used load dolly adopts the balanced design of level four, and the vehicle load homodisperse of carrying emergent transport to each walks the line wheel, and in addition, the balanced design of level four has realized that each walks the proper time rotation of line group along with the carrier cable line type, can ensure that each walks the line wheel and is unanimous with the interaction force size of carrier cable. The utility model discloses the loading and unloading of waiting haulage vehicle is carried to the auxiliary device is carried in the utilization loading and unloading, thereby has removed the system that rises on the load dolly, compares with existing cable crane, removes the system that rises of load dolly, and cable kind and cable quantity among the reducible cable system simplify the cable structure, in addition, because the reduction of cable kind, the utility model discloses can utilize the effect of load dolly performance cable support, compare in existing cable crane, this utility model discloses save again and divide the rope ware. The reduction of cable kind, cable quantity and branch rope ware has greatly simplified cable conveyor's structure, establishes the basis for the quick installation of cable conveyor under emergency state and form emergent guarantee ability fast.

Claims (7)

1. A transportation emergency support cable conveying device is characterized by comprising an auxiliary tower frame (4), a bearing device, a traction device, a lifting device (3) and a cable holding self-stopping device;
the auxiliary towers (4) are arranged on the shores at two sides of the bridge to be rush-repaired;
the bearing device comprises a bearing cable (101) and an anchor (102) buried in a mountain body on the side face of the bridge;
two ends of the bearing cable (101) are respectively and fixedly connected with corresponding anchors (102) through the tops of the auxiliary towers (4);
the lifting device (3) is arranged on the bearing device and the traction device;
the cable gripping automatic stop device is arranged on the lifting device (3).
2. Traffic emergency support cable transportation device according to claim 1, characterized in that the auxiliary tower (4) comprises a tower body (401), an upper pulley block a (403), a cable saddle (402) and a lower pulley block a (404); the tower body (401) is arranged on the bank sides of two ends of the bridge to be rush-repaired;
an upper pulley block A (403), a cable saddle (402) and a lower pulley block A (404) are sequentially arranged on the top of the tower body (401) from top to bottom;
two end parts of the bearing cable (101) are respectively and fixedly connected with an anchor (102) on the shore through the top surfaces of corresponding cable saddles (402).
3. The transportation emergency support cable transportation device according to claim 2, wherein the traction device comprises a traction cable upper support (201), a traction cable lower support (202), a tensioning device (203) and a winch (204); the winch (204) is arranged on one side of the bottom of the tower body (401);
the tensioning device (203) comprises an upper pulley block B (205), a lower pulley block B (206) and a lifting rope (207) arranged between the upper pulley block B (205) and the lower pulley block B (206), and the other end of the lifting rope (207) is fixed with a shackle (208); the lower pulley block B (206) is connected with a ground anchor (7) through a steel wire rope; the upper pulley block B (205) is connected with a pulley A (209) through a steel wire rope;
the upper traction cable support (201) and the lower traction cable support (202) are of a closed-loop structure; one end of the upper traction cable support (201) and one end of the lower traction cable support (202) are wound on the winch (204), and the other end of the upper traction cable support and the other end of the lower traction cable support are wound on the pulley A (209);
the two ends of the upper traction cable support (201) respectively bypass the upper pulley set A (403), and the two ends of the lower traction cable support (202) respectively bypass the lower pulley set A (404).
4. The transportation emergency support cable transportation device according to claim 3, wherein the number of the hoisting devices (3) is 10-12, and the hoisting devices are arranged along the bearing cable (101) along the bridge direction, and the specific number of the hoisting devices is adjusted according to the emergency support requirement;
the lifting device (3) comprises a load-carrying trolley (301), a lifting appliance (302) arranged at the bottom of the load-carrying trolley (301) and a lifting rope (303) arranged at the bottom of the lifting appliance (302); a plurality of travelling wheels (304) are mounted at the top of the load-carrying trolley (301), the travelling wheels (304) are supported on the carrying cable (101), a carrying cable gripper (305) is mounted at the upper part of the load-carrying trolley (301), and a traction cable gripper (306) is mounted at the lower part of the load-carrying trolley (301);
the operation and parking state of the load-carrying trolley (301) are realized through the closing and opening actions of the load-carrying rope gripper (305) and the traction rope gripper (306).
5. The cable transportation device for traffic emergency support according to claim 4, wherein the load-carrying trolley (301) comprises a lower equalizing beam (307), a carrying pole beam (308) hinged to the bottom of the lower equalizing beam (307), an upper equalizing beam (309) hinged to the top surfaces of the two ends of the lower equalizing beam (307), a frame (310) hinged to the top surface of the upper equalizing beam (309), and the travelling wheels (304) mounted on the frame (310), wherein the carrying cable gripper (305) is mounted on the side frame of the travelling wheels (304) through a cross beam, and the carrying cable (101) passes through the inside of the carrying cable gripper (305); the traction cable gripper (306) is fixed on the upper top surface of the lower equalizing beam (307), and the traction cable lower support (202) penetrates through the traction cable gripper (306);
when the winch (204) rotates, the upper traction cable support (201) and the lower traction cable support (202) respectively and correspondingly move around an upper pulley block A (403) and a lower pulley block A (404) above the auxiliary tower (4) on two sides of the bridge, when the lower traction cable support (202) is tightly held by the traction cable holder (306) and the bearing cable holder (305) loosens the bearing cable (101), the load-bearing trolley (301) can be conveyed between the two sides as required under the action of the winch (204), and the upper traction cable support (201) only rotates circularly;
the winch (204), the load-bearing rope gripper (305) and the traction rope gripper (306) are controlled by a cable gripping self-stopping device.
6. The transportation emergency support cable transportation device according to claim 5, wherein the cable grip stop motion device is composed of a winding motor (M0), a load-carrying cable gripper motor (M1), a traction cable gripper motor (M2), and a load-carrying cable control branch and a traction cable control branch;
a terminal (U1), a terminal (V1) and a terminal (W1) of the winch motor (M0) are connected with an L1 phase, an L2 phase and an L3 phase of an alternating current power supply through a frequency converter (BPQ) and a low-voltage circuit breaker (QF 1);
a transmission shaft of a winch motor (M0) is connected with a winch (204), the winch motor (M0) is driven by a frequency converter (BPQ), and when a microswitch (K1), a microswitch (K2), a microswitch (K4) and a microswitch (K5) of the frequency converter (BPQ) are respectively operated, the winch (204) can realize forward rotation, reverse rotation and low-medium-high speed operation;
the terminal (U2), the terminal (V2) and the terminal (W2) of the carrying cable clenching motor (M1) are connected to the L1 phase, the L2 phase and the L3 phase of an alternating current power supply through a normally open contact (KM 1-3) and a low-voltage circuit breaker (QF 2) of an alternating current contactor;
the terminal (U3), the terminal (V3) and the terminal (W3) of the traction rope clenching motor (M2) are connected to the L1 phase, the L2 phase and the L3 phase of an alternating current power supply through a normally open contact (KM 2-3) and a low-voltage circuit breaker (QF 3) of an alternating current contactor;
the carrying cable control branch comprises a stop button (S10), a button switch (S11), an alternating current contactor coil (KM 1) and a normally closed auxiliary contact (KM 2-2) of an alternating current contactor (KM 2); the stop button (S10) is connected in series with the button switch (S11), the normally closed auxiliary contact (KM 2-2) and the AC contactor (KM 1) in sequence and then is connected between the phase L1 and the phase L2 of the AC power supply, and the normally open auxiliary contact (KM 1-1) of the AC contactor coil (KM 1) is connected in parallel with the button switch (S11);
the traction rope control branch comprises a stop button (S10), a button switch (S12), an alternating current contactor coil (KM 2) and a normally closed auxiliary contact (KM 1-2) of an alternating current contactor (KM 1);
the stop button (S10) is connected in series with the button switch (S12), the normally closed auxiliary contact (KM 1-2) and the alternating current contactor coil (KM 2) in sequence and then is connected between the phase L1 and the phase L2 of the alternating current power supply, and the normally open auxiliary contact (KM 2-1) of the alternating current contactor coil (KM 2) is connected in parallel with the button switch (S12).
7. The transportation emergency support cable transportation device according to claim 1, further comprising an auxiliary loading and unloading device (5), wherein the auxiliary loading and unloading device (5) is more than one set of symmetrically arranged jacks (51), the jacks (51) are connected with a pump station (53) through oil passages (52), and the jacks (51) are synchronously lifted or lowered.
CN201921339864.0U 2019-08-19 2019-08-19 Transportation emergency guarantee cable conveying device Active CN211310620U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110510526A (en) * 2019-08-19 2019-11-29 石家庄铁道大学 A kind of cable conveyer for Traffic Emergency Safeguards

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110510526A (en) * 2019-08-19 2019-11-29 石家庄铁道大学 A kind of cable conveyer for Traffic Emergency Safeguards
CN110510526B (en) * 2019-08-19 2024-04-02 石家庄铁道大学 Cable conveyor for traffic emergency guarantee

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