CN102259649A - Curve cableway transporting system of double-cable circulating type - Google Patents

Abstract

The invention discloses a double-cable circular curved cableway transportation system, which comprises two groups of ground anchors, supporting devices, traction cables, carrying cables, return cables, freight trolleys and tractors, and the traction cables are connected with the tractors to form a loop There are two load-bearing cables arranged in parallel up and down, and one or two return cables. The return cable and the load-bearing cable are connected to each other through a corner slide rail at the adjacent two groups of ground anchors. The traction cable Located below the carrying cables and return cables, the carrying cables or return cables on both sides of each supporting device have an included angle. The invention has a reasonable design, can shorten the cableway erection line in some areas, does not need multiple loading and unloading during transportation, has the advantages of convenient installation, large transportation volume, large height difference, large span, high transportation efficiency, high safety factor, and overall It has the advantages of low investment and low operating cost, and has great promotion and application value.

Description

Double-cable circular curved cableway transportation system

technical field

The invention belongs to the technical field of overhead cableways for transporting goods, and in particular relates to a double-cable circular curved cableway transportation system.

Background technique

In recent years, with the country's intensification of infrastructure construction, infrastructure construction in hills and mountainous areas, especially UHV foundation construction projects for electric power, has also increased a lot. The tower body has changed from low to high, the tower material has changed from small to large, and the tower position has gone from the prosperous area to the uninhabited area. The transportation volume of tower materials is increasing, and the transportation capacity is also continuously improving. Satisfying the flow of a large amount of materials in complex areas, especially in mountainous areas, woodlands and other areas, cableway transportation has become the first means of transportation for construction units.

Some power transmission and transformation companies in mainland my country have accumulated a lot of construction experience in this area. Simple freight ropeways can be seen in almost every construction site. The construction of the cableway in the world is based on a combination of multiple straight cableways. This cableway system has the disadvantages of long erection lines, multiple loading and unloading during transportation, cumbersome transportation, low transportation efficiency, high overall investment, and high operating costs. . Simple freight ropeways can be seen in almost every construction site. Generally, simple reciprocating freight ropeways with single load cables are used for transportation. Defects such as poor safety and unguaranteed construction period. Therefore, existing this situation urgently needs to solve.

Contents of the invention

In order to solve the deficiencies in the prior art, the present invention provides a double-cable circular curved cableway transportation system with low erection cost, large transportation capacity and high transportation efficiency.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: double-cable circular curved cableway transport system, including two groups of ground anchors, supporting devices, traction cables, bearing cables, empty return cables, freight trolleys and tractors, traction cables, Both the load-carrying cable and the empty return cable are fixedly connected to two sets of ground anchors through the support device, and the tractor is fixedly connected to one of the ground anchors. , the traction cable is connected with the traction machine to form a circular loop, two load cables are arranged in parallel up and down, one or two return cables are provided, and the return cable and the load cable are adjacent to two groups of ground anchors They are respectively connected to each other through a corner slide rail, the traction cable is located under the load cable and the return cable, and the load cable or return cable on both sides of each support device has an included angle.

The support device consists of two sets of herringbone support rods and a beam horizontally arranged on the upper end of the support rod. The support rod is assembled from two detachable straight rods. The lower end of the support rod is provided with a hinge fixedly connected to the ground. The lower part of the beam A saddle device is provided, and the carrying cable and the return cable are respectively fixedly connected with the saddle device, and the traction cable is rolled and supported on the saddle device.

The freight trolley includes a frame and a movable adjustment frame. The upper part of the frame is provided with a vertical slideway. There are lower wheels located below the upper wheels and movable pulleys located below the lower wheels. The axles of the upper wheels, the movable pulleys and the axles of the lower wheels are connected in series through an adjustment rope. The lower end of the frame is provided with a cargo hanging loop.

The saddle device includes a sleeve pierced on the crossbeam, the lower part of the sleeve is fixedly connected with a hanger, and the same side of the hanger is sequentially provided with an upper bearing saddle, a lower bearing saddle and a traction sheave from top to bottom. Mechanism; both the upper load-bearing saddle and the lower load-bearing saddle include a fixed shaft fixedly connected with the hanger through a pin shaft and arranged horizontally, and a base rotatably connected with the fixed shaft. Clamping block, the upper part of the clamping block is provided with a guide rod that matches the wheel grooves of the upper wheel and the lower wheel. The guide rod is a structure with a horizontal middle part and downward slope on both sides. The lower edges of the two ends of the guide rod are closely attached to the load-bearing cable ;The traction cable support and pulley mechanism includes a horizontal bracket located at the lower part of the hanger, a vertical plate is provided at the end of the horizontal bracket, and a horizontal idler roller connected by rotation between the hanger and the vertical plate is located above the horizontal idler The two vertical rollers on both sides are rotatably connected with the horizontal bracket, and a traction cable passing groove is formed between the horizontal roller and the two vertical rollers.

Lever hoists are provided on the load cables and return cables near the two groups of ground anchors.

Tension gauges are provided on the bearing cables near the two groups of ground anchors.

The included angle between the load-bearing cables or return cables on both sides of each supporting device is between 150° and 180°.

Adopting the above-mentioned technical scheme has the following beneficial effects:

1. Two groups of ground anchors are respectively installed in the delivery yard and the unloading yard. There are two load-bearing cables, which improves the safety performance and increases the bearing capacity of a single transportation by 2 to 3 times, greatly increasing the transportation volume and fully improving To improve work efficiency, the traction cable is connected with the tractor to form a circular loop, and the return cable and the corner slide rail are set up. The corner slide rail is used for the connection between the load cable and the return cable, so that the carrying trolley can be recycled back and forth , Fully improve the efficiency of cargo delivery.

2. The herringbone support rod has good stability. The support rod is assembled from two detachable straight rods, which is not only convenient for processing and manufacturing, but also convenient for transportation and assembly. It is firmly fixed, and the levelness of the beam can also be adjusted accordingly.

3. The upper wheel on the movable adjustment frame and the lower wheel on the frame are respectively hung on a load-bearing cable. Since the tension of the two load-bearing cables set up and down is not the same, under the action of the movable pulley and the adjustment rope, The slide rail of the movable adjustment frame can slide up and down along the slideway on the frame according to the distance between the two load-bearing cables, so that the force on the upper wheel and the lower wheel can be balanced, thus ensuring the stability and safety of the freight trolley during transportation; The rope device is used to fix the clamping traction rope, and the cargo hanging ring is used to hang the cargo.

4. The upper load-bearing saddle and the lower load-bearing saddle of the saddle device are used to support and fix the two load-bearing cables and the empty return cable. The clamping block is used to fix the clamping load-bearing cable or the return empty cable. The guide bar can rotate in a certain direction along the fixed axis with the load cable, and the wheel groove of the freight trolley smoothly passes through the upper load saddle and the lower load saddle along the guide bar, especially when several adjacent support devices cannot be fixed in the complex terrain The situation on the same straight line is to adapt to the height difference of the geographical environment, so as to ensure the smooth and safe passage of the freight trolley; The traction cable passes through the groove, so that the traction cable does not rub against the ground, so as to ensure that the traction cable will still operate normally when the three sides of the traction cable are stressed.

5. The lever hoist is used to adjust the tension of two load cables, one or two return cables.

6. According to the requirements, operate the lever block to adjust the tension of the two load-bearing cables, so that the values displayed on the tension gauges on each load-bearing cable are consistent.

7. The included angle between the load cables or return cables on both sides of each support device is between 150° and 180°, so that the freight trolley can carry out curved transportation (turning transportation) operations within 30° of a turn at the support device.

The invention has a reasonable design, can shorten the cableway erection line in some areas, does not need multiple loading and unloading during transportation, has the advantages of convenient installation, large transportation volume, large height difference, large span, high transportation efficiency, high safety factor, and overall The advantages of low investment and low operating cost have great value for popularization and application. The invention is not only suitable for the construction of power transmission lines in mountainous areas, forest areas, hilly areas and swampy muddy areas, but also suitable for large-diameter oil and natural gas pipelines. , and due to inconvenient road conditions and mechanical transportation, during the construction of land reclamation projects.

Description of drawings

Fig. 1 is a floor plan of the present invention;

Fig. 2 is a schematic structural view of a freight trolley passing through a support device among the present invention;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is a schematic structural view of the saddle device among the present invention;

Figure 5 is a top view of Figure 4;

Fig. 6 is the left view of Fig. 4;

Fig. 7 is the structural representation of freight dolly among the present invention;

Fig. 8 is a left side view of Fig. 7 .

Detailed ways

As shown in Figures 1 to 8, the double-cable circular curved cableway transportation system of the present invention includes a ground anchor 1, a ground anchor 2, a support device 35, a traction cable 3, a carrying cable 4, an empty return cable 5, and a freight trolley 6 and traction machine 7, the two ends of traction cable 3, load-carrying cable 4 and empty return cable 5 are all fixedly connected with ground anchor 1 and ground anchor 2 through support device 35, traction machine 7 is fixedly connected with ground anchor 1, and the power of traction machine 7 The output end is connected to the freight trolley 6 through the traction cable 3, and the freight trolley 6 is rollingly connected to the carrying cable 4, and the traction cable 3 is connected to the tractor 7 to form a circular loop. There are one or two empty cables 5, one is shown in Fig. 1, the return cable 5 and the carrying cable 4 are connected to each other through a corner slide rail 8 at adjacent ground anchor 1 and ground anchor 2 respectively, and the traction cable 3 is located at the bearing Below the cable 4 and the return cable 5, the included angle A between the load cable 4 or the return cable 5 on both sides of each supporting device 35 is between 150° and 180°. A lever hoist 33 is provided on the bearing cable 4 and the return cable 5 near the ground anchor 1 and the ground anchor 2 . Tension gauges 34 are provided on the two load cables 4 near the ground anchor 1 .

The support device 35 includes two groups of herringbone support rods 9 and a beam 10 horizontally arranged on the upper ends of the support rods 9. The support rods 9 are assembled from two detachable straight rods. Hinge 11, crossbeam 10 bottoms are provided with saddle device, and bearing cable 4, return empty cable 5 are fixedly connected with saddle device respectively, and traction cable 3 rolls and supports on saddle device.

Freight trolley 6 comprises frame 12 and movable adjustment frame 13, and frame 12 top is provided with vertical slideway 14, and movable adjustment frame 13 is provided with slide rail 15 that cooperates with slideway 14 on the frame 12 to slide relatively, and movable adjustment frame 13 is provided with upper wheel 16, frame 12 is provided with lower wheel 17 positioned at upper wheel 16 below and movable pulley 18 positioned at lower wheel 17 below, the axle of upper wheel 16, movable pulley 18 and the axle of lower wheel 17 are adjusted by a The ropes 19 are connected in series, the frame 12 is provided with a rope grip 20 fixedly connected with the traction rope 3 , and the lower end of the frame 12 is provided with a goods hanging ring 21 .

The saddle device includes a sleeve 22 which is installed on the crossbeam 10, and the lower part of the sleeve 22 is fixedly connected with a hanger 23, and the same side of the hanger 23 is provided with an upper bearing saddle, a lower bearing saddle and a traction cable in sequence from top to bottom. The supporting wheel mechanism; the upper bearing saddle and the lower bearing saddle all include the fixed shaft 24 fixedly connected with the hanger 23 by the pin shaft 36 and horizontally arranged, the base 25 connected with the fixed shaft 24 in rotation, the base 25 is provided with a The clamping block 26 fixedly connected to the bearing cable 4 and the empty return cable 5 is provided with a guide rod 27 cooperating with the wheel grooves of the upper wheel 16 and the lower wheel 17 on the upper part of the clamping block 26, and the guide rod 27 is horizontal in the middle and laterally directed The lower edge of the two ends of the guide rod 27 is close to the bearing cable; the traction cable holder cable pulley mechanism includes a horizontal bracket 28 located at the bottom of the hanger 23, and the end of the horizontal bracket 28 is provided with a vertical plate 29 , the horizontal idler roller 30 that is rotatably connected between the hanger 23 and the vertical plate 29, two vertical idler rollers 31 that are rotatably connected with the horizontal bracket 28 on both sides above the horizontal idler roller 30, the horizontal idler roller 30 and A traction cable passing groove 32 is formed between the two vertical idlers 31 .

When working, the goods are suspended in the air by the two load-bearing cables 4 distributed up and down and the freight trolley 6 hanging on the load-bearing cables 4. The freight trolley is driven by the ring-shaped traction cable 3 and the tractor 7 to walk, and corners are installed at both ends of the load-bearing rope 7. The slide rail 15 can make the freight trolley 6 unload and pass the track conversion between the load cable 4 and the return cable 5, thereby realizing the cyclic transportation of the freight trolley 6, and the transportation efficiency is doubled. During the operation of the freight trolley 6, the transition between heavy and empty tracks can be realized smoothly, high efficiency is achieved, and the disadvantages of the reciprocating cableway are overcome. Two load-carrying cables 4 are used to double the single load-carrying capacity, and the safety factor is certain. Greater improvement.

In the actual cargo transportation process, since the tension of the two load-bearing cables 4 arranged up and down is not the same, under the action of the movable pulley 18 and the adjustment rope 19, the slide rail 15 of the movable adjustment frame 13 can be adjusted according to the tension of the two load-bearing cables 4 The size of the spacing slides up and down along the slideway 14 on the frame 12, thereby adjusting the force of the upper wheel 16 and the lower wheel 17 suspended on the two load cables 4 to reach a balance, thereby ensuring the stability and stability of the freight trolley 6 during transportation. safety.

Due to the limitation of geographical height difference, the load-carrying cables 4 on both sides of the saddle device have a certain angle. When the freight trolley passes, the wheel groove of the freight trolley wheel rolls along the guide rod 27. Under the effect of cargo gravity, the guide rod 27 will be pressed down, and the guide rod 27 and the base 25 will rotate downward in a certain direction along the fixed shaft 24. to pass.

Since the angle between the load-carrying cables 4 or the return cable 5 on both sides of each supporting device 35 is between 150° and 180°, including the horizontal angle and the vertical angle, the freight trolley 6 can turn 30° at the supporting device 35. Carry out curved transportation (turning transportation) operations.

In the erection process of the present invention, factors such as the length of the load-carrying cable 4, the return cable 5, and the traction cable 3, and the span height difference are all suitable according to the place, and the supporting device 35 is set according to actual needs. Return empty cable 5 is arranged in the same way as bearing cable 4 arrangement method, if short-distance transportation can no longer specially set return empty cable 5, can adopt reciprocating transportation. the

Claims (7)

1. Double-cable circular curved cableway transportation system, including two sets of ground anchors, supporting devices, traction cables, carrying cables, return cables, freight trolleys and tractors. The traction cables, carrying cables and return cables pass through the support devices The two sets of ground anchors are fixedly connected, the tractor is fixedly connected with one of the ground anchors, the power output end of the tractor is connected with the freight trolley through the traction cable, and the freight trolley is connected with the load-carrying cable in a rolling manner. The machine is connected to form a circular circulation loop. There are two load-bearing cables arranged in parallel up and down, and one or two return cables. connection, the traction cable is located under the load cable and the return cable, and the load cable or the return cable on both sides of each support device has an included angle. 2. The double-cable circular curved cableway transportation system according to claim 1, characterized in that: the supporting device comprises two sets of herringbone-shaped supporting rods and a crossbeam horizontally arranged on the upper ends of the supporting rods, and the supporting rods are made of detachable Two straight rods are assembled, the lower end of the support rod is provided with a hinge fixedly connected to the ground, the lower part of the beam is provided with a saddle device, the load cable and the return cable are respectively fixedly connected with the saddle device, and the traction cable rolls on the saddle device support. 3. The double-cable circular curved cableway transportation system according to claim 1 or 2, characterized in that: the freight trolley includes a frame and a movable adjustment frame, the upper part of the frame is provided with a vertical slideway, and the movable adjustment frame is provided with a vertical slideway. There are slide rails that slide relative to the slideway on the frame. The upper wheel is arranged on the movable adjustment frame. The lower wheel located under the upper wheel and the movable pulley located under the lower wheel are arranged on the frame. The axle of the upper wheel, the movable pulley and the lower wheel The axles of the wheels are connected in series through an adjustment rope, the frame is provided with a gripper fixedly connected with the traction rope, and the lower end of the frame is provided with a cargo hanging ring. 4. The double-cable circular curved cableway transportation system according to claim 3, characterized in that: the saddle device includes a sleeve pierced on the beam, the lower part of the sleeve is fixedly connected with a hanger, and the hanger is on the same side From top to bottom, there are upper bearing saddle, lower bearing saddle and traction rope holder and sheave mechanism in sequence; both the upper bearing saddle and the lower bearing saddle include a fixed shaft fixedly connected with the hanger through a pin shaft and arranged horizontally, The base is rotatably connected with the fixed shaft, and the base is provided with a clamping block fixedly connected with the load cable and the return cable. The upper part of the clamping block is provided with a guide rod that matches the wheel grooves of the upper wheel and the lower wheel. The guide rod is in the middle Horizontal structure with downward slope on both sides, the lower edge of both ends of the guide rod is close to the bearing cable; the traction cable support and pulley mechanism includes a horizontal bracket at the lower part of the hanger, and a vertical plate is provided at the end of the horizontal bracket , the horizontal idler roller that is rotationally connected between the hanger and the vertical plate, the two vertical idler rollers that are rotatably connected with the horizontal bracket on both sides above the horizontal idler roller, the horizontal idler roller and the two vertical idler rollers Form the pull rope through the groove. 5. The double-cable circular curved cableway transportation system according to claim 1 or 2, characterized in that: the load-carrying cables and return cables near the two groups of ground anchors are equipped with lever hoists. 6. The double-cable circular curved cableway transportation system according to claim 1 or 2, characterized in that: the load-bearing cables near the two groups of ground anchors are provided with tension gauges. 7. The double-cable circular curved cableway transportation system according to claim 1 or 2, characterized in that: the included angle of the load-bearing cables or return cables on both sides of each supporting device is between 150° and 180° between.

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