Large-span flexible optical cable laying device

Abstract

The invention provides a large-span flexible optical cable laying device which comprises a rack, driving devices used for driving the rack to walk are arranged on the two sides of the rack correspondingly, an auxiliary frame is arranged on the rack, a rotating cylinder is rotationally arranged in the middle of the auxiliary frame, an L-shaped frame is movably connected to the rotating cylinder, a main shaft is rotationally arranged on the auxiliary frame and located in the rotating cylinder, and the main shaft is movably connected to the rotating cylinder. The two ends of the main shaft extend to the outside of the rotary drum, a main driving mechanism used for driving the main shaft to rotate is arranged on the side face of the rack, an excavating chain is connected to the L-shaped frame, a compaction mechanism is arranged on the rotary drum and located on the other side of the L-shaped frame, and an optical cable drum used for winding an optical cable is rotationally arranged on the upper portion of the rack. The rack is provided with a guide mechanism used for guiding the optical cable. According to the invention, a series of work such as channel excavation, optical cable laying and channel compaction can be completed, mechanical automation is realized, and the optical cable laying efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of optical cable laying, and particularly relates to a large-span flexible optical cable laying device. BACKGROUND

[0002] The laying mode of the large-span flexible optical cable mainly includes overhead laying, pipeline laying and direct-buried laying. Among them, the direct-buried laying is to directly bury the optical cable into the underground and cover a certain thickness of soil layer, which can effectively avoid the direct impact of ground mechanical external force on the optical cable, such as physical damage of rolling and pressing. Compared with the overhead laying mode, the direct-buried optical cable has a significantly reduced probability of being affected by extreme weather such as strong wind and lightning, thereby effectively reducing the risk of optical cable failure caused by natural disasters. Therefore, the direct-buried laying mode has been widely applied in engineering practice.

[0003] In the prior art, the direct-buried laying process usually includes three core procedures of trench excavation, optical cable laying and trench backfilling. The traditional construction process adopts a segmented operation mode, and there is a time interval between each procedure, which specifically shows that: firstly, the undisturbed soil needs to be backfilled by special mechanical equipment twice; secondly, the trench excavation and backfilling equipment need to be operated separately. This discrete construction organization mode leads to the problems of prolonged construction period, increased mechanical station cost and low efficiency of procedure connection. SUMMARY

[0004] In view of the above problems of the prior art, the application provides a large-span flexible optical cable laying device which integrates the functions of trench excavation, optical cable laying and trench backfilling, has a high degree of mechanization and greatly improves the optical cable laying efficiency.

[0005] The technical scheme provided by the application is as follows: a large-span flexible optical cable laying device, comprising a rack, driving devices are arranged on both sides of the rack for driving the rack to walk, a sub-rack is arranged on the rack, a rotating drum is rotatably arranged at the middle part of the sub-rack, an L-shaped frame is arranged on the rotating drum, an electric cylinder is arranged between the rotating drum and the L-shaped frame, the bottom of the electric cylinder is hingedly connected with the sub-rack, the extension shaft end of the electric cylinder is hingedly connected with the upper end of the L-shaped frame, a main shaft is rotatably arranged on the sub-rack and located in the inside of the rotating drum, the both ends of the main shaft extend to the outside of the rotating drum, a main driving mechanism for driving the main shaft to rotate is arranged on the side surface of the rack, a digging chain is connected to the L-shaped frame, the digging chain comprises two sprockets and a chain meshing with the two sprockets, one sprocket is rotatably arranged on the L-shaped frame, and the other sprocket is fixedly arranged at the middle part of the main shaft, a plurality of digging buckets are connected to the outside of the chain unit block, a compaction mechanism is arranged on the rotating drum and located on the other side of the L-shaped frame, an optical cable drum for winding the optical cable is rotatably arranged on the upper part of the rack, and a guide mechanism for guiding the optical cable is arranged on the rack.

[0006] Further, the compaction mechanism comprises a sub-plate arranged on the side of the rotating drum away from the L-shaped frame, an end rod is arranged at the end of the sub-plate, a lever plate is rotatably arranged on the frame, a sliding groove is arranged at one end of the lever plate, the end rod and the sliding groove form a sliding fit, a compression shaft is arranged at the other end of the lever plate, and a compression wheel for compacting the ground is rotatably arranged on the compression shaft.

[0007] Further, a soil loosening mechanism is arranged on the sub-frame, the soil loosening mechanism comprises a top plate arranged on the upper part of the sub-frame, a rotating shaft is rotatably arranged in the top plate, a transmission mechanism one is arranged between the rotating shaft and the main shaft for driving the rotating shaft to rotate, a swing plate is arranged on the outer side of the rotating shaft, the other end of the swing plate is hingedly connected to the lower end of a connecting plate, the upper end of the connecting plate is hingedly connected to a soil loosening rod for loosening the soil, and the soil loosening rod is slidably arranged on the top plate.

[0008] Further, the transmission mechanism one comprises two transmission wheels and a transmission belt, one transmission wheel of the transmission mechanism one is mounted on the main shaft, the other transmission wheel of the transmission mechanism one is mounted on the rotating shaft, and the transmission belt is wound on the two transmission wheels at the same time.

[0009] Further, the main driving mechanism comprises a main motor arranged on the side of the sub-frame, a bevel gear two is connected to the rotating shaft of the main motor, a bevel gear one is connected to one end of the main shaft, and the bevel gear two and the bevel gear one are engaged.

[0010] Further, the driving device comprises two main wheels rotatably arranged on the side of the frame 1, a walking belt is wound on the two main wheels at the same time, a bevel gear three is fixedly arranged on the rotating shaft of one main wheel, a bevel gear four is engaged beside the bevel gear three, the bevel gear four is fixedly arranged on the rotating shaft of a walking motor, and the walking motor is fixedly arranged on the frame.

[0011] Further, the frame is provided with a soil conveying mechanism, the soil conveying mechanism comprises two conveying shafts rotatably connected with the frame, a conveying belt is wound on the two conveying shafts at the same time, a transmission mechanism two is arranged between one of the conveying shafts and the main shaft for driving the conveying shaft to rotate, one transmission wheel of the transmission mechanism two is mounted on the conveying shaft, the other transmission wheel of the transmission mechanism two is mounted on the main shaft, and the transmission belt is wound on the two transmission wheels at the same time, and a through hole for falling soil is arranged on the frame and located at the tail of the conveying belt.

[0012] Further, the guide mechanism comprises an upper feeding shaft rotatably arranged below the frame, an upper friction wheel for driving the optical cable is arranged in the middle of the upper feeding shaft, a lower feeding shaft is arranged below the upper feeding shaft, sliding rods are arranged at both ends of the lower feeding shaft, the sliding rods are slidably arranged on the frame, springs are arranged outside the sliding rods, the two ends of the springs are respectively connected with the frame and the lower feeding shaft, the middle part of the upper friction wheel is a groove, the optical cable is located in the groove of the upper friction wheel, and a lower friction wheel for clamping the optical cable is arranged in the middle part of the lower feeding shaft.

[0013] Further, the upper rubbing wheel is provided with a gear one, the gear one is meshed with a gear two on the side, the gear two is fixed on the reversing shaft, the reversing shaft is rotatably arranged on the bottom of the rack, the transmission mechanism three is arranged between the reversing shaft and the conveying shaft, one transmission wheel of the transmission mechanism three is fixed on the reversing shaft, the other transmission wheel of the transmission mechanism three is fixed on one conveying shaft, and the transmission belt is wound on the two transmission wheels.

[0014] Further, the guide mechanism further comprises a plurality of guide cylinders arranged on the rack, and the optical cable passes through the guide cylinders to facilitate the guidance.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] (1) The main motor drives the bevel gear two to rotate, and the power is transmitted through the bevel gear one, so that the main shaft rotates, drives a sprocket to rotate, drives the chain to rotate, and drives the excavator to rotate synchronously. The excavator digs the soil on the ground and forms a channel for laying optical cables on the ground. The soil in the excavator then automatically falls into the channel for laying optical cables, and the pressure roller contacts the ground to compact the soil falling into the channel, thereby automatically completing the laying of optical cables.

[0017] (2) The main shaft drives the conveying shaft to rotate through the transmission mechanism two, and the conveying shaft drives the conveying belt to rotate. The conveying belt transports the soil at the head to the tail, and finally the soil falls from the through hole into the channel for laying optical cables, thereby facilitating the adjustment of the position of the soil falling into the channel.

[0018] (3) The conveying shaft drives the reversing shaft to rotate through the transmission mechanism three, and the power is transmitted through the gear two and the gear one, so that the feeding shaft and the upper rubbing wheel rotate. The upper rubbing wheel drives the optical cable to extend and automatically lays the optical cable into the channel excavated by the excavator.

[0019] (4) The transmission mechanism one transmits power to make the rotating shaft rotate, so that the swing plate rotates. The power is transmitted through the connecting plate to make the soil loosening rod move up and down. When the soil loosening rod moves downward, it contacts the soil, so that the soil is loosened, thereby facilitating the subsequent channel excavation work.

[0020] The present application realizes the functions of soil loosening, channel excavation, optical cable laying, channel backfilling and compaction in one, and the working process is linked. The mechanical automation degree is high, time and labor are saved, and the practical value is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the front of the overall structure of the present application.

[0022] Figure 2 is a structural schematic view of the back of the overall structure of the present application.

[0023] Figure 3 is the structural schematic diagram of the bottom of the whole structure of the application.

[0024] Figure 4 is the partial enlarged view of A in Figure 3

[0025] Figure 5 is the partial enlarged view of B in Figure 3

[0026] Figure 6 is the partial enlarged view of C in Figure 3

[0027] Figure 7 is the structural schematic diagram of the installation of the conveying belt of the application.

[0028] Figure 8 is the partial enlarged view of D in Figure 7

[0029] In the figure: 1-frame; 101-through hole; 2-sub-frame; 3-rotary drum; 4-L-shaped frame; 5-electric cylinder; 6-main shaft; 7-bevel gear one; 8-bevel gear two; 9-main motor; 10-digging chain; 1001-sprocket; 1002-chain; 1003-digging bucket; 11-sub-plate; 12-end rod; 13-rod plate; 1301-slotted guide; 14-pressing shaft; 15-pressing wheel; 16-top plate; 17-transmission mechanism one; 18-rotary shaft; 19-swinging plate; 20-link plate; 21-soil loosening rod; 22-conveying belt; 23-conveying shaft; 24-transmission mechanism two; 25-optical cable drum; 26-optical cable; 27-guiding drum; 28-feeding shaft; 29-upper friction wheel; 30-feeding shaft; 31-sliding rod; 32-spring; 33-lower friction wheel; 34-gear one; 35-gear two; 36-reversing shaft; 37-transmission mechanism three; 38-main wheel; 39-traveling belt; 40-bevel gear three; 41-bevel gear four; 42-traveling motor. DETAILED DESCRIPTION

[0030] The application will be further described below in conjunction with the specific embodiments, wherein the drawings are only used for exemplary illustration, the representations are only schematic diagrams, not physical drawings, and cannot be understood as the limitation of the application. In order to better illustrate the specific embodiments of the application, some components of the drawings will be omitted, enlarged or reduced, and do not represent the actual product size. It is understandable for those skilled in the art that some known structures and their descriptions in the drawings can be omitted. Based on the specific embodiments in the application, all other specific embodiments obtained by those skilled in the art without creative labor are within the protection scope of the application.

[0031] ​​​​In the description of the present application, it should be noted that the terms "front", "back", "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Reference Figures 1 to 8 A large-span flexible optical cable laying device, comprising a rack 1, a sub-frame 2 is arranged on the rack 1, a rotating drum 3 is rotatably arranged at the middle part of the sub-frame 2, an L-shaped frame 4 is arranged on the rotating drum 3, an electric cylinder 5 is arranged between the rotating drum 3 and the L-shaped frame 4, the bottom of the electric cylinder 5 is hinged to the sub-frame 2, and the telescopic shaft end of the electric cylinder 5 is hinged to the upper end of the L-shaped frame 4.

[0034] A main shaft 6 is rotatably arranged on the sub-frame 2 and inside the rotating drum 3, and the axis of the main shaft 6 coincides with the axis of the rotating drum 3, the two ends of the main shaft 6 extend to the outside of the rotating drum 3, the side surface of the rack 1 is provided with a main driving mechanism for driving the main shaft 6 to rotate, a bevel gear one 7 is connected to one end of the main shaft 6, a main motor 9 is arranged on the side surface of the sub-frame 2 and above the bevel gear one 7, a bevel gear two 8 is connected to the rotating shaft of the main motor 9, and the bevel gear two 8 is engaged with the bevel gear one 7; an excavating chain 10 is connected to the L-shaped frame 4, the excavating chain 10 comprises two sprockets 1001, a chain 1002 and a plurality of excavating buckets 1003, one sprocket 1001 is rotatably arranged on the L-shaped frame 4, the other sprocket 1001 is fixedly arranged at the middle part of the main shaft 6, the chain 1002 is engaged with the two sprockets 1001, and a plurality of excavating buckets 1003 are connected to the outside of the chain 1002 unit block.

[0035] Specifically, when the telescopic shaft of the electric cylinder 5 is elongated, the L-shaped frame 4 rotates downward, and the end of the chain 1002 on the L-shaped frame 4 is close to the ground; when the telescopic shaft of the electric cylinder 5 is contracted, the L-shaped frame 4 rotates upward, and the chain 1002 is away from the ground. The main motor 9 drives the bevel gear two 8 to rotate, transmits power through the bevel gear one 7, and makes the main shaft 6 rotate, so as to drive the chain 1002 to rotate, and the chain 1002 drives the excavating buckets 1003 to rotate synchronously, and the excavating buckets 1003 excavate the soil on the ground.

[0036] The drum 3 is provided with a compaction mechanism on the other side of the L-shaped frame 4, the compaction mechanism comprises a sub-plate 11, the sub-plate 11 is fixed on the drum 3 on the other side of the L-shaped frame 4, the end of the sub-plate 11 is provided with an end rod 12, a lever plate 13 is rotatably arranged on the frame 1, one end of the lever plate 13 is provided with a sliding groove 1301, the end rod 12 and the sliding groove 1301 form a sliding fit, the other end of the lever plate 13 is provided with a pressing shaft 14, the pressing shaft 14 is rotatably provided with a ground compaction wheel 15.

[0037] Specifically, when the L-shaped frame 4 rotates downward, the sub-plate 11 rotates upward, the lever plate 13 at one end of the sliding groove 1301 rotates upward, the lever plate 13 at one end of the pressing shaft 14 rotates downward, so that the ground compaction wheel 15 contacts the ground and compacts the soil.

[0038] The sub-frame 2 is provided with a soil loosening mechanism, the soil loosening mechanism comprises a top plate 16 arranged on the upper part of the sub-frame 2, a rotating shaft 18 is rotatably arranged in the top plate 16, one transmission wheel of a transmission mechanism 17 is installed on the main shaft 6, the other transmission wheel of the transmission mechanism 17 is installed on the rotating shaft 18, one end of a swing plate 19 is fixedly installed on the rotating shaft 18, the other end of the swing plate 19 is hingedly connected to the lower end of a connecting plate 20, the upper end of the connecting plate 20 is hingedly connected to a soil loosening rod 21 for loosening soil, and the soil loosening rod 21 is slidably arranged on the top plate 16.

[0039] The transmission mechanism 17 comprises two transmission wheels and a transmission belt, the transmission belt is wound around the two transmission wheels, when one of the transmission wheels rotates, the transmission belt transmits power to make the other transmission wheel rotate synchronously.

[0040] Specifically, the transmission mechanism 17 transmits power to make the rotating shaft 18 rotate, thereby making the swing plate 19 rotate, and then the connecting plate 20 transmits power to make the soil loosening rod 21 move up and down, when the soil loosening rod 21 moves downward, it contacts the soil, so as to loosen the soil.

[0041] The frame 1 is provided with a soil conveying mechanism, the soil conveying mechanism comprises two conveying shafts 23 rotatably connected with the frame 1, the two conveying shafts 23 are jointly wound with a conveying belt 22, one transmission wheel of a transmission mechanism 24 is installed on the conveying shaft 23, the other transmission wheel of the transmission mechanism 24 is installed on the main shaft 6, and the frame 1 is provided with a through hole 101 for soil falling at the tail of the conveying belt 22.

[0042] Specifically, the transmission mechanism 24 works in the same way as the transmission mechanism 17, the main shaft 6 drives the conveying shaft 23 to rotate, the conveying shaft 23 drives the conveying belt 22 to rotate, the soil in the bucket 1003 falls on the head of the conveying belt 22, and then is transported to the tail of the conveying belt 22, and finally falls into the dug channel in the bucket 1003.

[0043] The upper part of the frame 1 is rotatably provided with an optical cable drum 25 for winding the optical cable 26, and the frame 1 is provided with a guide mechanism for guiding the optical cable 26. The guide mechanism comprises a plurality of guide drums 27 provided on the frame 1 for guiding the optical cable 26, the lower part of the frame 1 is rotatably provided with a feeding shaft 28, the middle part of the feeding shaft 28 is provided with an upper friction wheel 29 for driving the optical cable 26, the lower part of the feeding shaft 28 is provided with a discharging shaft 30, both ends of the discharging shaft 30 are provided with sliding rods 31 which are slidably arranged on the frame 1, the sliding rods 31 are externally provided with springs 32, both ends of the springs 32 are connected with the frame 1 and the discharging shaft 30 respectively.

[0044] The middle part of the upper friction wheel 29 is a groove, and the optical cable 26 is located in the groove of the upper friction wheel 29.

[0045] The middle part of the discharging shaft 30 is provided with a lower friction wheel 33 for clamping the optical cable 26.

[0046] Specifically, the end of the optical cable 26 is placed in the groove of the upper friction wheel 29, the spring 32 provides elastic force, and the lower friction wheel 33 on the discharging shaft 30 clamps the optical cable 26 in the groove of the upper friction wheel 29.

[0047] The upper friction wheel 29 is provided with a gear one 34, the gear one 34 is meshed with a gear two 35 on the side, the gear two 35 is fixedly arranged on a reversing shaft 36, the reversing shaft 36 is rotatably arranged on the bottom of the frame 1, one transmission wheel of a transmission mechanism three 37 is fixedly arranged on the reversing shaft 36, and the other transmission wheel of the transmission mechanism three 37 is fixedly arranged on one conveying shaft 23.

[0048] Specifically, the working principle of the transmission mechanism three 37 is consistent with that of the transmission mechanism one 17, power is transmitted through the transmission mechanism three 37, the conveying shaft 23 drives the reversing shaft 36 to rotate, and then power is transmitted through the gear two 35 and the gear one 34, so that the feeding shaft 28 and the upper friction wheel 29 rotate, the upper friction wheel 29 drives the optical cable 26 to extend, the optical cable drum 25 rotates, and the optical cable 26 falls into the trench excavated by the excavator 1003.

[0049] Both sides of the frame 1 are provided with driving devices, the driving devices comprise two main wheels 38 rotatably arranged on the sides of the frame 1, the two main wheels 38 are commonly wound with a walking belt 39, a bevel gear three 40 is fixedly arranged on the rotating shaft of one main wheel 38, the bevel gear three 40 is meshed with a bevel gear four 41 on the side, the bevel gear four 41 is fixedly arranged on the rotating shaft of a walking motor 42, and the walking motor 42 is fixedly arranged on the frame 1.

[0050] Specifically, the walking motor 42 drives the bevel gear four 41 to rotate, power is transmitted through the bevel gear three 40, so that the main wheel 38 rotates, and thus the walking belt 39 runs on the ground.

[0051] Working principle: when using the device, start the two drive device walking motor 42, walking motor 42 drive bevel gear four 41 rotation, through bevel gear three 40 transmission power, make the main wheel 38 rotation, so the walking belt 39 on the ground operation, make the device movement need optical cable laying position. At the same time, the end of the optical cable 26 is placed in the groove of the upper roller 29, the spring 32 provides the elastic force, the lower roller 33 on the lower shaft 30 clamps the optical cable 26 in the groove of the upper roller 29.

[0052] Continuous operation of the drive device, start the main motor 9, the main motor 9 drive bevel gear two 8 rotation, through bevel gear one 7 transmission power, make the main shaft 6 rotation, through the transmission mechanism one 17 transmission power, make the rotating shaft 18 rotation, thus make the swing plate 19 rotation, again through the connecting plate 20 transmission power, make the soil loosening rod 21 do up and down reciprocating motion, the soil loosening rod 21 downward movement, with soil contact, so can loosen the soil, facilitate the subsequent ditch excavation work.

[0053] Start the electric cylinder 5, make the electric cylinder 5 telescopic shaft elongation, L type frame 4 downward rotation, L type frame 4 drive chain 1002 on one end of L type frame 4 close to the ground, the excavator 1003 on the chain 1002 contact with the ground. At the same time, the main shaft 6 drive a sprocket 1001 rotation, so drive the chain 1002 rotation, the chain 1002 drive the excavator 1003 synchronous rotation, the excavator 1003 dig the soil on the ground, and form the optical cable laying ditch on the ground, the chain 1002 drive the excavator 1003 dump the soil in the conveying belt 22 head.

[0054] Through the transmission mechanism two 24 transmission power, the main shaft 6 drive conveying shaft 23 rotation, again through the transmission mechanism three 37 transmission power, the conveying shaft 23 drive reversing shaft 36 rotation, through gear two 35 and gear one 34 transmission power, make the feeding shaft 28 and the upper roller 29 rotation, the upper roller 29 drive the optical cable 26 stretch out, the optical cable drum 25 rotation, the optical cable 26 laying to the ditch dug by the excavator 1003.

[0055] The conveying shaft 23 drive the conveying belt 22 rotation, the conveying belt 22 transport the soil in the head to the tail, finally the soil from the through hole 101 fall into the ditch which has laid optical cable.

[0056] When the L type frame 4 downward rotation, the vice plate 11 upward rotation, the lever plate 13 on one end of the sliding groove 1301 upward rotation, the lever plate 13 on one end of the pressure shaft 14 downward rotation, make the compression wheel 15 contact with the ground, compact the soil fall in the ditch, complete the optical cable laying.

[0057] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A large-span flexible optical cable laying device, characterized by, The utility model provides a kind of cable laying machine, including rack (1), the both sides of the rack (1) are equipped with driving device for driving rack to walk, the rack (1) is provided with vice frame (2), the middle part of vice frame (2) is rotatably provided with rotary drum (3), rotary drum (3) is provided with L-shaped frame (4), rotary drum (3) and L-shaped frame (4) are equipped with electric cylinder (5), the bottom of electric cylinder (5) is hinged with vice frame (2), the telescopic shaft end of electric cylinder (5) is hinged with the upper end of L-shaped frame (4), the inside of rotary drum (3) is rotatably provided with main shaft (6) on vice frame (2), the both ends of main shaft (6) extend to the outside of rotary drum (3), the side of the rack (1) is provided with main drive mechanism for driving main shaft (6) to rotate, L-shaped frame (4) is connected with excavating chain (10), excavating chain (10) includes two sprockets (1001) and chain (1002) meshed with two sprockets (1001), one sprocket (1001) is rotatably arranged on L-shaped frame (4), another sprocket (1001) is fixedly arranged on the middle part of main shaft (6), chain unit block outside is connected with a plurality of excavator (1003), the other side of rotary drum (3) is provided with compaction mechanism on L-shaped frame (4), the upper portion of the rack (1) is rotatably provided with optical cable drum (25) for winding optical cable (26), and the rack (1) is provided with guiding mechanism for guiding optical cable (26).

2. The large-span flexible optical cable laying device according to claim 1, characterized in that, The compaction mechanism includes a sub-plate (11) disposed on the side of the rotary drum (3) away from the L-shaped frame (4), an end rod (12) is provided at the end of the sub-plate (11), a lever plate (13) is rotatably provided on the rack (1), one end of the lever plate (13) is provided with a sliding groove (1301), the end rod (12) and the sliding groove (1301) form a sliding fit, the other end of the lever plate (13) is provided with a pressing shaft (14), and a ground compaction wheel (15) is rotatably provided on the pressing shaft (14).

3. The large-span flexible optical cable laying device according to claim 1, characterized in that, A soil loosening mechanism is provided on the vice frame (2), the soil loosening mechanism includes a top plate (16) provided on the upper portion of the vice frame (2), a rotating shaft (18) is rotatably provided in the top plate (16), a transmission mechanism (17) is provided between the rotating shaft (18) and the main shaft (6) for driving the rotating shaft (18) to rotate, a swing plate (19) is provided on the outside of the rotating shaft (18), the other end of the swing plate (19) is hinged with the lower end of a connecting plate (20), the upper end of the connecting plate (20) is hinged with a soil loosening rod (21) for loosening soil, and the soil loosening rod (21) is slidably provided on the top plate (16).

4. The large-span flexible optical cable laying device according to claim 1, characterized in that, The transmission mechanism (17) includes two transmission wheels and a transmission belt, one transmission wheel of the transmission mechanism (17) is mounted on the main shaft (6), the other transmission wheel of the transmission mechanism (17) is mounted on the rotating shaft (18), and the transmission belt is wound on the two transmission wheels.

5. The large-span flexible optical cable laying device according to claim 1, characterized in that, The main drive mechanism includes a main motor (9) provided on the side of the vice frame (2), a bevel gear (8) is connected to the rotating shaft of the main motor (9), a bevel gear (7) is connected to one end of the main shaft (6), and the bevel gear (8) is engaged with the bevel gear (7).

6. The large-span flexible optical cable laying device according to claim 1, characterized in that, The driving device comprises two main wheels (38) rotatably arranged on the sides of the frame (1), the two main wheels (38) are jointly wound with a walking belt (39), a bevel gear three (40) is fixedly arranged on the rotating shaft of one main wheel (38), a bevel gear four (41) is meshed beside the bevel gear three (40), the bevel gear four (41) is fixedly arranged on the rotating shaft of a walking motor (42), and the walking motor (42) is fixedly arranged on the frame (1).

7. The large-span flexible optical cable laying device according to claim 1, characterized in that, The frame (1) is provided with a soil conveying mechanism, the soil conveying mechanism comprises two conveying shafts (23) rotatably connected with the frame (1), the two conveying shafts (23) are jointly wound with a conveying belt (22), and a transmission mechanism two (24) is arranged between one conveying shaft (23) and the main shaft (6) for driving the conveying shaft (23) to rotate, one transmission wheel of the transmission mechanism two (24) is installed on the conveying shaft (23), the other transmission wheel of the transmission mechanism two (24) is installed on the main shaft (6), a transmission belt is wound on the two transmission wheels at the same time, and the frame (1) is provided with a through hole (101) for falling soil at the tail of the conveying belt (22).

8. The large-span flexible optical cable laying device according to claim 7, characterized in that, The guide mechanism comprises a feeding shaft (28) rotatably arranged below the frame (1), the middle of the feeding shaft (28) is provided with an upper friction wheel (29) for driving the optical cable (26), the lower portion of the feeding shaft (28) is provided with a discharging shaft (30), both ends of the discharging shaft (30) are provided with sliding rods (31) which are slidingly arranged on the frame (1), the sliding rods (31) are provided with springs (32) outside, and both ends of the springs (32) are connected with the frame (1) and the discharging shaft (30) respectively, the middle portion of the upper friction wheel (29) is a groove, the optical cable (26) is located in the groove of the upper friction wheel (29), and the middle portion of the discharging shaft (30) is provided with a lower friction wheel (33) for clamping the optical cable (26).

9. The large-span flexible optical cable laying device according to claim 8, characterized in that, The upper friction wheel (29) is provided with a gear one (34), the gear one (34) is meshed beside a gear two (35), the gear two (35) is fixedly arranged on a reversing shaft (36), the reversing shaft (36) is rotatably arranged at the bottom of the frame (1), a transmission mechanism three (37) is arranged between the reversing shaft (36) and the conveying shaft (23), one transmission wheel of the transmission mechanism three (37) is fixedly arranged on the reversing shaft (36), the other transmission wheel of the transmission mechanism three (37) is fixedly arranged on one conveying shaft (23), and a transmission belt is wound on the two transmission wheels at the same time.

10. The large-span flexible optical cable laying device according to claim 8, characterized in that, The guide mechanism further comprises a plurality of guide cylinders (27) arranged on the frame (1), and the optical cable (26) passes through the guide cylinders (27).

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