A laying device for laying cables in tunnels and a method of using the same

Abstract

The present invention discloses a laying device for cable laying in a tunnel and a method of using the same, comprising a right-angled triangle frame structure, a cable pulley and a wire feeding angle adjustment structure, wherein the cable pulley is arranged on the hypotenuse of the right-angled triangle frame structure and is used for conveying cables, the wire feeding angle adjustment structure is arranged at the junction of the hypotenuse and the vertical side of the right-angled triangle frame structure and is used for adjusting the horizontal angle of the cable end and guiding the cable to a cable rack, the right-angled triangle frame structure comprises telescopic rods, which are respectively arranged on the hypotenuse and the vertical side of the right-angled triangle frame structure and are used for adjusting the height of the laying device, and the connection method of each component adopts a detachable connection method, which has low assembly difficulty and can effectively improve work efficiency, and at the same time, the scheme adopts an upper end movable connection of the wire feeding angle adjustment structure, which only bears the weight of a small section of cable during use, and bears a small load, thereby avoiding the risk of overturning of the cable laying vehicle.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic lifting and transportation, and in particular to a laying device for laying cables in a tunnel and a use method thereof. Background Art

[0002] Currently, during the laying of transmission and distribution network cables, it is necessary to use manpower to carry the cables from the ground to the cable rack. Due to the heavy weight and long length of the cables themselves, about 20 people are needed to carry the cables in sections. The whole process requires a lot of manpower and time.

[0003] Although various cable laying devices in the prior art are helpful for laying cable lines, they have the following problems:

[0004] 1) The existing cable laying device has a complex structure and a large size. The cable tunnel is narrow and the laying device often needs to be installed on-site according to the local environmental conditions. The laying device is difficult to install in a limited space and takes a long time to install. Its work efficiency is not as good as the manual delivery method.

[0005] 2) The cable laying path is long. Laying a cable line requires the installation of a large number of cable laying devices or brackets along the line (one installed every 3-5 meters on average). The demand for installation materials is large, and the material transportation workload is large.

[0006] 3) The existing cable laying device needs to lift and transport the entire cable during the laying process, so it needs to bear the weight of the entire cable. When the cable height is high, the laying device is prone to tipping over. Summary of the invention

[0007] The purpose of the present invention is to provide a laying device for laying cables in tunnels and a method of using the same, which aims to solve the technical problems in the prior art that the device has a complex structure and is difficult to install, and that the load capacity of the device is too large when it is lifted and transported.

[0008] The present invention is achieved through the following technical solutions:

[0009] A laying device for laying cables in tunnels, comprising a right-angled triangle frame structure, a cable pulley and a cable feeding angle adjustment structure;

[0010] The cable pulley is arranged on the hypotenuse of the right triangle frame structure and is used for conveying cables;

[0011] The wire feeding angle adjustment structure is arranged at the junction of the hypotenuse and the vertical side of the right triangle frame structure, and is used to adjust the horizontal angle of the cable end and guide the cable to the cable rack;

[0012] The right-angled triangle frame structure comprises telescopic rods, which are respectively arranged on the hypotenuse and vertical sides of the right-angled triangle frame structure and are used to adjust the height of the placing device.

[0013] In this scheme, a right-angled triangle frame structure is constructed. By setting a number of equidistant cable pulleys on the hypotenuse of the right-angled triangle frame structure, the cable can be quickly and effectively moved from the ground to the laying device through the rolling of the cable pulleys. In addition, a wire feeding angle adjustment structure is provided at the junction of the hypotenuse and the vertical side of the right-angled triangle frame structure, which can quickly adjust the laying direction of the cable, and the cable can be placed on the cable rack more simply and effectively, making the cable laying work more time-saving and labor-saving.

[0014] The present invention also provides telescopic rods on the inclined plate and vertical sides of the right-angled triangle frame structure, respectively. The telescopic rods can be adjusted according to the construction environment. During operation, the height of the laying device is adjusted according to the height of the cable rack. Such a setting is practical, greatly shortens the total cable laying time, greatly reduces the construction cost and labor cost of laying cables, and improves work efficiency.

[0015] Further, the wire feeding angle adjustment structure includes a wire feeding pulley track and a wire feeding turntable;

[0016] The wire feeding pulley track comprises a vertical track and two horizontal tracks, and the two ends of the horizontal track are respectively vertically connected to a vertical track to form an "I"-shaped wire feeding pulley track;

[0017] The wire feeding pulley track is arranged at the intersection of the hypotenuse and the vertical side of the right-angled triangle frame structure in the horizontal direction, and the wire feeding pulley track is perpendicular to the vertical side of the right-angled triangle frame structure;

[0018] The wire feeding turntable comprises a first wire feeding pulley and a second wire feeding pulley, wherein the first wire feeding pulley and the second wire feeding pulley are respectively vertically arranged on the wire feeding pulley track, and a cavity is formed between the first wire feeding pulley and the second wire feeding pulley for the cable to pass through;

[0019] The wire feeding turntable further comprises a second connecting rod, the two ends of which are detachably connected to the first wire feeding pulley and the second wire feeding pulley respectively, for placing the cable;

[0020] The wire feeding turntable is slidably connected to the wire feeding pulley track and is used to adjust the horizontal angle of the cable end.

[0021] This solution adopts an upper movable connection of the wire feeding angle adjustment structure, which can place the cable on the launching device at any time. During use, it only bears the weight of a small section of cable and bears a small load, avoiding the risk of tipping over of the launching device.

[0022] Further, the right-angled triangle frame structure also includes two right-angled triangle angle steel brackets, handrails, brakes, wheels and a first connecting plate;

[0023] The handrail comprises a handrail bracket and a horizontal support rod, wherein the handrail bracket is respectively arranged on the horizontal sides of the two right-angled triangular angle steel brackets, and the handrail bracket is perpendicular to the horizontal sides of the two right-angled triangular angle steel brackets;

[0024] The horizontal support rod is vertically connected to the top of the handrail bracket, and the horizontal support rod extends along the horizontal sides of the two right-angled triangle angle steel brackets;

[0025] The wheels are respectively arranged on the horizontal sides of the two right-angled triangular angle steel brackets, and the number of the wheels includes at least two;

[0026] The telescopic rods are respectively embedded in the hypotenuse and vertical sides of the two right-angled triangular angle steel brackets;

[0027] Two ends of the first connecting plate are respectively vertically connected to a right-angled triangle angle steel bracket;

[0028] The brake is arranged on an armrest at one side, and the applying device further comprises a gasoline engine, which is arranged on the first connecting plate, and the brake is electrically connected to the gasoline engine.

[0029] This solution uses gasoline as power, and does not require connection to a power source, making it easy to use.

[0030] Furthermore, the shape of the handrail bracket is a right triangle.

[0031] The present invention adopts a right-angled triangle shape for the handrail bracket, which can improve the bearing capacity of the handrail bracket and increase the stability of the handrail bracket.

[0032] Furthermore, one end of the gasoline engine is flush with the vertical edge of the angle steel bracket.

[0033] This scheme adopts such a setting, which can make the operation more convenient for construction workers.

[0034] Furthermore, the number of the cable pulley includes at least one.

[0035] Furthermore, the cable pulley is a spindle-shaped cylindrical pulley.

[0036] Furthermore, the connection mode between the right-angled triangle frame structure and the cable pulley is a detachable connection, the connection mode between the wire feeding angle adjustment structure and the right-angled triangle frame structure is a detachable connection, and the connection mode between the two right-angled triangle angle steel brackets and the first connecting plate is a detachable connection.

[0037] This solution adopts a detachable connection method, which can bring the components of the deployment device into the cable tunnel for assembly, has low assembly difficulty, and can effectively improve work efficiency.

[0038] A second object of the present invention is to provide a method for using a laying device for laying cables in a tunnel, comprising the following steps:

[0039] S1: First, the disassembled components of the laying device for laying cables in the tunnel are brought into the cable tunnel, and then the components are assembled together to form a laying device that can be used for laying cables in the tunnel;

[0040] S2: By adjusting the height of the telescopic rods on the oblique side and vertical side of the angle steel bracket, the height of the placing device is adjusted so that the top surface of the placing device is flush with the top surface of the cable rack;

[0041] S3: Place the placing device at the starting position of the cable to be held and delivered, and adjust the horizontal angle of the wire delivery turntable so that the wire delivery turntable and the cable frame form a vertical angle, open the second connecting rod at the upper end of the wire delivery turntable, put the cable into the wire delivery turntable, and close the second connecting rod at the upper end of the wire delivery turntable to complete the determination of the direction and position of the cable delivery;

[0042] Place the subsequent cable segments on the cable pulleys and cable pulleys set on the hypotenuse of the right-angled triangle frame structure, start the gasoline generator, and the staff holds the handrail of the release device to control the release device to move slowly along the direction of the cable until the entire cable segment is placed on the cable rack;

[0043] S4: After the laying device completes the cable laying, remove the cable pulley and the wire feeding angle adjustment structure of the laying device, retract the laying device to the lowest position through the telescopic rod, and then take the laying device out of the cable tunnel.

[0044] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0045] 1. This scheme adopts the construction of a right-angled triangle frame structure. By setting a number of equidistant cable pulleys on the hypotenuse of the right-angled triangle frame structure, the cable can be quickly and effectively moved from the ground to the laying device through the rolling of the cable pulleys. In addition, a wire feeding angle adjustment structure is set at the junction of the hypotenuse and the vertical side of the right-angled triangle frame structure, which can quickly adjust the laying direction of the cable, and the cable can be placed on the cable rack more simply and effectively, making the cable laying work more time-saving and labor-saving;

[0046] 2. This solution also provides telescopic rods on the inclined plate and vertical sides of the right-angled triangle frame structure. The telescopic rods can be adjusted according to the construction environment. During operation, the height of the laying device is adjusted according to the height of the cable rack. Such a setting is practical, greatly shortens the total cable laying time, greatly reduces the construction cost and labor cost of laying cables, and improves work efficiency.

[0047] 3. This solution adopts a detachable connection method, which can bring the components of the launching device into the cable tunnel for assembly. The assembly difficulty is low and the work efficiency can be effectively improved. It uses gasoline as the power source and does not need to be connected to the power supply when in use, which is convenient to use.

[0048] 4. This solution adopts an upper movable connection of the wire feeding angle adjustment structure, which can place the cable on the releasing device at any time. During use, it only bears the weight of a small section of cable and bears a small load, avoiding the risk of tipping over of the releasing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0050] Figure 1 It is the front view of the present invention.

[0051] Figure 2 It is a top view of the present invention.

[0052] Figure 3 It is a structural schematic diagram of the present invention.

[0053] Reference numerals and corresponding component names:

[0054] 1-right triangle frame structure; 11-angle steel bracket; 12-handrail; 121-handrail bracket; 122-horizontal support rod; 13-brake; 14-wheel; 15-first connecting plate; 16-telescopic rod; 2-cable pulley; 21-axis rod; 3-wire feeding angle adjustment structure; 31-wire feeding turntable; 311-first wire feeding pulley; 312-second wire feeding pulley; 313-second connecting rod; 32-wire feeding pulley track; 321-vertical track; 322-horizontal track; 4-gasoline engine; 5-cable; 6-cable rack. DETAILED DESCRIPTION

[0055] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0056] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to one of ordinary skill in the art that these specific details are not necessarily employed to practice the present invention. In other instances, well-known structures, circuits, materials, or methods are not specifically described in order to avoid obscuring the present invention.

[0057] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0058] [Example]

[0059] A laying device for laying cables in a tunnel, comprising a right-angled triangle frame structure 1, a cable pulley 2 and a cable feeding angle adjustment structure 3;

[0060] The cable pulley 2 is arranged on the hypotenuse of the right triangle frame structure 1 and is used to transport the cable 5;

[0061] The wire feeding angle adjustment structure 3 is arranged at the junction of the hypotenuse and the vertical side of the right triangle frame structure 1, and is used to adjust the horizontal angle of the end of the cable 5 and guide the cable 5 to the cable rack 12;

[0062] The right-angled triangle frame structure 1 comprises telescopic rods 16, which are respectively arranged on the hypotenuse and the vertical side of the right-angled triangle frame structure 1 for adjusting the height of the placing device.

[0063] In this scheme, a right-angled triangle frame structure is constructed. By setting a number of equidistant cable pulleys on the hypotenuse of the right-angled triangle frame structure, the cable can be quickly and effectively moved from the ground to the laying device through the rolling of the cable pulleys. In addition, a wire feeding angle adjustment structure is provided at the junction of the hypotenuse and the vertical side of the right-angled triangle frame structure, which can quickly adjust the laying direction of the cable, and the cable can be placed on the cable rack more simply and effectively, making the cable laying work more time-saving and labor-saving.

[0064] The present invention also provides telescopic rods on the inclined plate and vertical sides of the right-angled triangle frame structure, respectively. The telescopic rods can be adjusted according to the construction environment. During operation, the height of the laying device is adjusted according to the height of the cable rack. Such a setting is practical, greatly shortens the total cable laying time, greatly reduces the construction cost and labor cost of laying cables, and improves work efficiency.

[0065] Further, the wire feeding angle adjustment structure 3 includes a wire feeding pulley track 32 and a wire feeding turntable 31;

[0066] The wire feeding pulley track 32 includes a vertical track 321 and two horizontal tracks 322, and the two ends of the horizontal track 322 are respectively vertically connected to a vertical track 321, forming an "I"-shaped wire feeding pulley track 32;

[0067] The wire feeding pulley track 32 is arranged at the intersection of the hypotenuse and the vertical side of the right-angled triangle frame structure 1 along the horizontal direction, and the wire feeding pulley track 32 is perpendicular to the vertical side of the right-angled triangle frame structure 1;

[0068] The wire feeding turntable 31 includes a first wire feeding pulley 311 and a second wire feeding pulley 312, which are respectively vertically arranged on the wire feeding pulley track 32, and a cavity is formed between the first wire feeding pulley 311 and the second wire feeding pulley 312 for the cable 5 to pass through;

[0069] The wire feeding turntable 31 further includes a second connecting rod 313, both ends of which are detachably connected to the first wire feeding pulley 311 and the second wire feeding pulley 312, respectively, for placing the cable;

[0070] The wire feeding turntable 31 is slidably connected to the wire feeding pulley track 32 to adjust the horizontal angle of the end of the cable 11;

[0071] In this embodiment, if Figure 1 , Figure 2 As shown, when the cable 5 needs to be carried and transported, the releasing device is placed at the starting position of the cable, and the horizontal angle of the wire feeding turntable 31 on the wire feeding pulley track 32 is adjusted first, so that the wire feeding turntable 31 forms a vertical angle with the cable rack 12, and then the second connecting rod 313 at the upper end of the wire feeding turntable 31 is opened, and the cable 5 is placed in the cavity formed by the first wire feeding pulley 311 and the second wire feeding pulley 312, and the second connecting rod 312 at the upper end of the wire feeding turntable 31 is closed, and the carrying direction and position of the cable 5 are determined. Such an arrangement enables the releasing device to provide a thrust to the cable 11 by rotating the first wire feeding pulley 311 and the second wire feeding pulley 312 in the same direction when being pushed, thereby reducing the friction between the cable 11 and the wire feeding turntable 31 and improving the efficiency of cable carrying and transporting.

[0072] This solution adopts an upper movable connection of the wire feeding angle adjustment structure 3, which can place the cable on the laying device at any time. During use, it only bears the weight of a small section of cable and bears a small load, avoiding the risk of the laying device tipping over.

[0073] Further, the right-angled triangle frame structure 1 also includes two right-angled triangle angle steel brackets 11, handrails 12, brakes 13, wheels 14 and a first connecting plate 15;

[0074] The handrail 12 includes a handrail bracket 121 and a horizontal support rod 122. The handrail bracket 121 is respectively arranged on the horizontal sides of two right-angled triangle angle steel brackets 11, and the handrail bracket 121 is perpendicular to the horizontal sides of the two right-angled triangle angle steel brackets 11;

[0075] The horizontal support rod 122 is vertically connected to the top of the handrail bracket 121, and the horizontal support rod 122 extends along the horizontal sides of the two right-angled triangle angle steel brackets 11;

[0076] The wheels 14 are respectively arranged on the horizontal sides of the two right-angled triangle angle steel brackets 11, and the number of the wheels 14 includes at least two;

[0077] The telescopic rods 16 are respectively embedded in the hypotenuse and vertical sides of the two right-angled triangle angle steel brackets 12;

[0078] The two ends of the first connecting plate 11 are respectively vertically connected to the right-angled triangle angle steel bracket 11;

[0079] The brake 13 is arranged on the handrail 12 on one side. The applying device further comprises a gasoline engine 4 . The gasoline engine 4 is arranged on the first connecting plate 15 . The brake 13 is electrically connected to the gasoline engine 4 .

[0080] This solution uses gasoline as power, and does not require connection to a power source, making it easy to use.

[0081] Furthermore, the shape of the armrest bracket 121 is a right triangle.

[0082] The present invention adopts a right-angled triangle shape for the handrail bracket, which can improve the bearing capacity of the handrail bracket and increase the stability of the handrail bracket.

[0083] Furthermore, one end of the gasoline engine 4 is flush with the vertical edge of the angle steel bracket 11 .

[0084] This scheme adopts such a setting, which can make the operation more convenient for construction workers.

[0085] In this embodiment, if Figure 1 , Figure 2As shown, the wheels 14 are respectively mounted on two right-angled triangle angle steel brackets 11, and the wheels 14 arranged on the two right-angled triangle angle steel brackets 11 are symmetrical in pairs, and the wheels 14 are arranged in two rows, the rear wheel 14 is located at the right angle point of the angle steel bracket 11, and the distance from the front wheel 14 to the right angle point is greater than half of the horizontal side of the angle steel bracket 11. Such an arrangement can make the application device more stable and easy to move;

[0086] When the cable 5 needs to be transported, the releasing device is placed at the starting position of the cable, and the cable 5 moves to the cable pulley 2 arranged at the junction of the hypotenuse and the horizontal side of the right-angled triangle frame structure 1 and the cable pulleys 2 evenly arranged along the hypotenuse of the right-angled triangle frame structure 1. By pushing the releasing device, the transportation of the cable 5 is completed.

[0087] Further, the number of the cable pulley 2 includes at least one.

[0088] In this embodiment, if Figure 1 , Figure 2 As shown, a total of 4 cable pulleys 2 are arranged, which are evenly distributed on the oblique side of the angle steel bracket 11, and one of them is arranged at the junction of the oblique side and the horizontal side of the angle steel bracket 11. This can reduce the friction between the cable and the releasing device when the releasing device is pushed forward, and complete the cable holding and delivering work more quickly.

[0089] Furthermore, the cable pulley 2 adopts a spindle-shaped cylindrical pulley.

[0090] Furthermore, the connection mode between the right-angled triangle frame structure 1 and the cable pulley 2 is a detachable connection, the connection mode between the wire feeding angle adjustment structure 5 and the right-angled triangle frame structure 1 is a detachable connection, and the connection mode between the two right-angled triangle angle steel brackets 11 and the first connecting plate 15 is a detachable connection.

[0091] This solution adopts a detachable connection method, which can bring the components of the deployment device into the cable tunnel for assembly, has low assembly difficulty, and can effectively improve work efficiency.

[0092] In this embodiment, the cable racks 6 are distributed on both sides of the cable tunnel and are located on the side walls of the cable tunnel.

[0093] like Figure 3 As shown, the working principle of the present invention is: the construction personnel bring the disassembled cable pulley 2, the wire feeding angle adjustment structure 5 and the right-angled triangle frame structure 1 of the laying device for laying cables in the tunnel into the cable tunnel, and assemble the cable pulley 2, the wire feeding angle adjustment structure 5 and the right-angled triangle frame structure 1 together to form a laying device that can be used for laying cables in the tunnel;

[0094] Then adjust the height of the telescopic rod 4 on the oblique side and vertical side of the angle steel bracket 12, and then adjust the height of the application device, so that the top surface of the application device is flush with the top surface of the cable rack 12; place the application device at the starting position of the cable to be held and delivered, and adjust the horizontal angle of the wire delivery turntable 51 so that the wire delivery turntable 51 forms a vertical angle with the cable rack, open the second connecting rod 512 at the upper end of the wire delivery turntable 51, put the cable 11 into the wire delivery turntable 51, and close the second connecting rod 512 at the upper end of the wire delivery turntable 51, thus completing the determination of the direction and position of the cable delivery;

[0095] The subsequent cable segment 11 is placed on the cable pulley 2 arranged on the hypotenuse of the right triangle frame structure 1, and the gasoline generator 9 is started. The staff holds the handrail 7 of the placing device to control the placing device to move slowly along the direction of the cable 11 until the entire cable segment 11 is placed on the cable rack 12;

[0096] After the laying of the cable 11 is completed by the laying device, the cable pulley 2 and the wire feeding angle adjustment structure 5 of the laying device are removed, and the laying device is retracted to the lowest position by the telescopic rod 4, and then the laying device is taken out of the cable tunnel.

[0097] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A laying device for laying cables in tunnels, characterized in that: It comprises a right-angled triangle frame structure (1), a cable pulley (2) and a wire feeding angle adjustment structure (3); The cable pulley (2) is arranged on the hypotenuse of the right-angled triangle frame structure (1) and is used for transporting the cable (5); The wire feeding angle adjustment structure (3) is arranged at the junction of the hypotenuse and the vertical side of the right-angled triangle frame structure (1) and is used to adjust the horizontal angle of the end of the cable (5) and guide the cable (5) to the cable rack; The right-angled triangle frame structure (1) comprises a telescopic rod (16), wherein the telescopic rod (16) is respectively arranged on the hypotenuse and the vertical side of the right-angled triangle frame structure (1) and is used to adjust the height of the application device; The wire feeding angle adjustment structure (3) comprises a wire feeding pulley track (32) and a wire feeding turntable (31); The wire feeding pulley track (32) comprises a vertical track (321) and two horizontal tracks (322), and the two ends of the vertical track (321) are respectively vertically connected to a horizontal track (322) to form an "I"-shaped wire feeding pulley track (32); The wire feeding pulley track (32) is arranged at the intersection of the hypotenuse and the vertical side of the right-angled triangle frame structure (1) in the horizontal direction, and the wire feeding pulley track (32) is perpendicular to the vertical side of the right-angled triangle frame structure (1); The wire feeding turntable (31) comprises a first wire feeding pulley (311) and a second wire feeding pulley (312), wherein the first wire feeding pulley (311) and the second wire feeding pulley (312) are respectively arranged vertically on the wire feeding pulley track (32), and a cavity is formed between the first wire feeding pulley (311) and the second wire feeding pulley (312) for the cable (5) to pass through; The wire feeding turntable (31) further comprises a second connecting rod (313), both ends of which are detachably connected to the first wire feeding pulley (311) and the second wire feeding pulley (312), respectively, for placing the cable; The wire feeding turntable (31) is slidably connected to the wire feeding pulley track (32) and is used to adjust the horizontal angle of the end of the cable (5); The right-angled triangle frame structure (1) also includes two right-angled triangle angle steel brackets (11), a handrail (12), a brake (13), wheels (14) and a first connecting plate (15); The handrail (12) comprises a handrail bracket (121) and a horizontal support rod (122), wherein the handrail bracket (121) is respectively arranged on the horizontal sides of the two right-angled triangular angle steel brackets (11), and the handrail bracket (121) is perpendicular to the horizontal sides of the two right-angled triangular angle steel brackets (11); The horizontal support rod (122) is vertically connected to the top of the handrail bracket (121), and the horizontal support rod (122) extends along the horizontal sides of the two right-angled triangle angle steel brackets (11); The wheels (14) are respectively arranged on the horizontal sides of the two right-angled triangle angle steel brackets (11), and the number of the wheels (14) is at least two; The telescopic rod (16) is respectively embedded in the hypotenuse and vertical sides of the two right-angled triangle angle steel brackets (11); Two ends of the first connecting plate (15) are respectively vertically connected to a right-angled triangle angle steel bracket (11); The brake (13) is arranged on a handrail (12) on one side, and the application device also includes a gasoline engine (4). The gasoline engine (4) is arranged on the first connecting plate (15), and the brake (13) is electrically connected to the gasoline engine (4).

2. A laying device for laying cables in tunnels according to claim 1, characterized in that: The shape of the handrail support (121) is a right triangle.

3. A laying device for laying cables in tunnels according to claim 1, characterized in that: One end of the gasoline engine (4) is flush with the vertical side of the right-angled triangle angle steel bracket (11).

4. A laying device for laying cables in tunnels according to claim 1, characterized in that: The number of the cable pulley (2) is at least one.

5. A laying device for laying cables in tunnels according to claim 1, characterized in that: The cable pulley (2) is a spindle-shaped cylindrical pulley.

6. A laying device for laying cables in tunnels according to any one of claims 1 to 5, characterized in that: The connection mode between the right-angled triangle frame structure (1) and the cable pulley (2) is a detachable connection, the connection mode between the wire feeding angle adjustment structure (3) and the right-angled triangle frame structure (1) is a detachable connection, and the connection mode between the two right-angled triangle angle steel brackets (11) and the first connecting plate (15) is a detachable connection.

7. A method for using a laying device for laying cables in a tunnel, characterized in that: The method of use adopts the laying device for laying cables in tunnels as claimed in claim 6, comprising the following steps: S1: First, the disassembled components of the laying device for laying cables in the tunnel are brought into the cable tunnel, and then the components are assembled together to form a laying device that can be used for laying cables in the tunnel; S2: By adjusting the height of the telescopic rod (16) on the hypotenuse and vertical sides of the right-angled triangle angle steel bracket (11), the height of the placing device is adjusted so that the top surface of the placing device is flush with the top surface of the cable rack (6); S3: placing the placing device at the starting position of the cable to be carried and delivered, and adjusting the horizontal angle of the wire delivery turntable (31) so that the wire delivery turntable (31) and the cable frame form a vertical angle, opening the second connecting rod (313) at the upper end of the wire delivery turntable (31), placing the cable (5) into the wire delivery turntable (31), and closing the second connecting rod (313) at the upper end of the wire delivery turntable (31), thereby completing the determination of the carrying direction and position of the cable; The subsequent cable (5) is placed on the cable pulley (2) arranged on the hypotenuse of the right triangle frame structure (1), the gasoline engine (4) is started, and the staff holds the handrail (12) of the placing device to control the placing device to move slowly along the direction of the cable (5) until the entire section of the cable (5) is placed on the cable rack (6); S4: After the laying device completes laying of the cable (5), the cable pulley (2) and the wire feeding angle adjustment structure (3) of the laying device are removed, and the laying device is retracted to the lowest position by the telescopic rod (16), and then the laying device is taken out of the cable tunnel.

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