A safe and stable mobile crossing frame for laying power lines and its use method

Abstract

The present invention relates to the technical field of power line crossing equipment, and specifically discloses a safe and stable mobile crossing frame for laying power lines and a method for using the same. The frame comprises an adjusting mechanism arranged on a side of the frame away from the lifting arm and a laying mechanism for laying a sealing net. The present invention lays horizontal sealing net ropes and vertical sealing net ropes through the laying components of the laying mechanism to form a sealing net, which is convenient for laying the sealing net above the crossing position and facilitating the laying of power lines. The horizontal sealing net ropes and vertical sealing net ropes are pre-laid on the ground and then tightened after being lifted, which reduces the number of high-altitude operation steps, improves the laying efficiency, and reduces the safety hazards of high-altitude operations. The number of laid vertical sealing net ropes is adjusted by the adjusting mechanism, thereby facilitating the adjustment of the laying area of ​​the sealing net, and facilitating adjustment according to the actual crossing area. The frame is suitable for different power line laying situations.

Description

Technical Field

[0001] The present invention relates to the technical field of power line spanning equipment, in particular to a safe and stable mobile spanning frame for laying power lines and a use method thereof. Background Art

[0002] A span is a structure used to span various areas, commonly found on high-voltage power lines, railways, roads, rivers, and deep valleys. It is a crucial component of these facilities and can be made from a variety of materials, including steel pipes, angle steel, and channel steel. Its primary function is to safely span power lines, railways, or roads to designated areas.

[0003] Publication number CN117526160A discloses a net sealing device and method for use in conjunction with a mobile umbrella-shaped spanning frame. The problem raised in the background technology is that if the protection range of the mobile umbrella-shaped spanning frame cannot be expanded and manual operations at high altitudes and near live objects cannot be avoided, the advantages of the mobile umbrella-shaped spanning frame cannot be fully utilized. The front end of the front net traction rope is brought over the spanned object, and after the lock pin is opened, the front net traction rope is led to the ground by the weight of the hammer itself. With the cooperation of manual labor on the ground, the front net traction rope is used to arrange the front protective net in place; the rear net traction rope is brought to a high altitude by the mobile umbrella-shaped spanning frame. With the traction of the rear net traction rope, manual labor can arrange and remove the rear protective net on the ground.

[0004] Based on the existing technology, the following problems exist:

[0005] In the existing technology, crossing frames are usually set up on both sides of the road, and then a sealing net is set on the crossing frame to facilitate the laying of power lines. Therefore, when laying the sealing net, most operations are carried out at high altitude, the laying efficiency is low, and there are greater safety hazards. Due to the different areas of the crossing areas, sealing nets of different areas need to be laid to meet the actual power line laying use. In the existing technology, it is not convenient to lay sealing nets of different areas according to the actual crossing situation, and there are certain shortcomings. In order to solve the above problems, a safe and stable mobile crossing frame for laying power lines and a method of use are proposed. Summary of the Invention

[0006] In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a safe and stable mobile crossing frame for laying power lines and a method of use. When laying the sealing net, the sealing net can be pre-laid on the ground, thereby reducing the steps of laying the sealing net at high altitude, improving the laying efficiency, reducing the safety hazards of high-altitude operations, and facilitating the laying of sealing nets of different areas according to actual crossing conditions.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a safe and stable mobile spanning frame for laying power lines, comprising a frame body, side frames rotatably arranged on both sides of the frame body, and a lifting arm arranged at the bottom of the frame body, and also comprising an adjustment mechanism arranged on the side of the frame body away from the lifting arm, the adjustment mechanism comprising:

[0008] The mounting seat is fixed on the side of the frame away from the boom, a fixing piece is fixed on the side of the mounting seat away from the frame, a fixing plate is fixed on the side where the fixing pieces are close to each other, and the fixing pieces are symmetrically arranged about the center point of the fixing plate, an adjustment component is provided inside the fixing plate, a laying mechanism for laying the sealing net is provided on the side of the mounting seat away from the frame and at the bottom of the fixing piece, the adjustment component is used to adjust the laying area of ​​the sealing net to adapt to the use requirements of different power line laying, and the laying mechanism includes:

[0009] The laying assembly is arranged on the side of the mounting base away from the boom, and the laying assembly includes:

[0010] The winding drum is rotatably arranged on the side of the mounting base away from the boom and is located at the bottom of the fixing part. The inner side of the winding drum is detachably provided with a longitudinal net-sealing rope. The winding drum is arranged horizontally to lay multiple longitudinal net-sealing ropes. The longitudinal net-sealing ropes located at the edges of both sides are provided with horizontally arranged first locking buckles, and the side walls of the first locking buckles are provided with transverse net-sealing ropes. The transverse net-sealing ropes and the longitudinal net-sealing ropes are staggered to form a sealing net.

[0011] The laying assembly further comprises:

[0012] The first connecting rope is fixed on the side wall of the transverse net-sealing rope near the two end portions, and is used to connect multiple horizontally arranged transverse net-sealing ropes. The side wall of the first lock buckle located near the mounting seat is fixed with a second connecting rope, which is used to unfold the multiple horizontally arranged transverse net-sealing ropes. The laying mechanism also includes a winding assembly for assisting the unfolding of the transverse net-sealing rope and a rotating rod rotatably arranged on the side of the mounting seat away from the boom, and the rotating rod is located at the bottom of the fixing member, and the inner wall of the winding drum is fixedly connected to the side wall of the rotating rod.

[0013] The winding assembly comprises:

[0014] The sleeve is fixedly sleeved on both ends of the side wall of the rotating rod, and side plates are rotatably provided at both ends of the side wall of the rotating rod and on both sides of the sleeve, and the side plates are fitted together. A winding plate is fixedly provided on the top of the side wall of the side plate, and a second lock buckle for connecting the second connecting rope is fixedly provided on the top of the winding plate and the side wall of the sleeve. The back of the side plate is fixedly connected to the side of the mounting base away from the boom. The laying mechanism also includes:

[0015] The first rotary hydraulic cylinder is fixed on the side wall of the mounting seat. The rotating shaft of the first rotary hydraulic cylinder and the side wall of the rotating rod are fixed with mutually meshing first gears so that the first rotary hydraulic cylinder drives the rotating rod to rotate.

[0016] The adjustment component includes:

[0017] An adjusting slot is provided on the side wall of the fixed plate, and an adjusting plate that moves horizontally along the adjusting slot is sleeved on the inner wall of the adjusting slot. There are two adjusting plates, and they are symmetrically arranged with respect to the center point of the fixed plate. The top and bottom of the adjusting plate are slidably connected with the top inner wall and the bottom inner wall of the adjusting slot to limit the movement of the adjusting plate. A placement slot is provided on the front inner wall of the adjusting slot, and a horizontally arranged second pulley is fixed on the front of the adjusting plate, and the second pulley is located in the placement slot. The sides of the two adjusting plates that are away from each other are both located outside the fixed plate, and the sides of the two adjusting plates located outside the fixed plate are both provided with auxiliary components for assisting the staff in operation.

[0018] The adjustment component also includes:

[0019] The second rotary hydraulic cylinder is fixedly arranged on a side of the fixing plate close to the mounting seat and located on a side where the fixing members are close to each other;

[0020] The screw rod is rotatably arranged on the inner wall of the adjustment groove, and the two ends of the side walls of the screw rod extend into the symmetrically arranged adjustment plates and are threadedly connected to the adjustment plates. The screw rod adopts a bidirectional screw rod. The rotating shaft of the second rotary hydraulic cylinder and the middle end of the side wall of the screw rod are fixedly sleeved with second gears that mesh with each other, so that the rotating shaft of the second rotary hydraulic cylinder drives the screw rod to rotate through the second gear, so as to drive the two adjustment plates away from or closer to each other.

[0021] The auxiliary components include:

[0022] The first connecting member is fixed to a side of the adjustment plate outside the fixed plate, a frame is fixed on the top of the first connecting member, and horizontally arranged ladder rods are fixed on the inner wall of the frame for workers to walk on. A U-shaped rod is fixed on the top of the frame and on the outside of the ladder rod, which is used to connect the lock of the safety clothing worn by the workers. The outside of the frame is slidably connected to the side of the mounting seat away from the frame and the top of the fixed plate to limit the movement of the frame.

[0023] The top inner wall and the bottom inner wall of the adjusting slot are both provided with a first sliding groove, and the first sliding blocks are placed inside the first sliding grooves, and the first sliding blocks are fixedly connected to the top and bottom of the adjusting plate respectively;

[0024] The auxiliary components also include:

[0025] A second slide groove is provided on a side of the mounting base away from the frame body, a second slider is placed inside the second slide groove, and the second slider is fixedly connected to the outer back surface of the frame body;

[0026] The third slide groove is opened at the top of the fixed plate, and the third slider is placed inside the third slide groove. The top of the third slider is fixedly provided with a second connecting member, and the top of the second connecting member is fixedly connected to the outer bottom of the frame. The second slide groove and the third slide groove are symmetrically arranged with respect to the center point of the fixed plate.

[0027] A movable groove is provided on the inner wall of the bottom of the third slide groove, and the inner wall diameter of the movable groove is smaller than the inner wall diameter of the third slide groove. A horizontally arranged roller is fixed to the bottom of the third slider, and the roller is placed in the movable groove, and the bottom of the roller contacts the inner wall of the bottom of the movable groove.

[0028] The height of the inner wall of the placement slot is smaller than the height of the inner wall of the adjustment slot, so as to limit the movement of the adjustment plate;

[0029] The adjustment mechanism also includes a first pulley fixed on the side of the fixed plate away from the mounting seat, and the first pulley is arranged horizontally. The longitudinal net-sealing rope is laid along the inner side of the first pulley and the second pulley. The position of the second pulley is adjusted by the adjustment component to adjust the number of longitudinal net-sealing ropes laid, thereby adjusting the area of ​​the laid net.

[0030] A method for using a safe and stable mobile crossover frame for laying power lines, using the safe and stable mobile crossover frame for laying power lines, the method comprises the following steps:

[0031] S1: Installing the crane arm on a mobile vehicle to drive the frame body and the side frames to move to the circuit line laying position;

[0032] S2: A spanning frame is formed by the frame body and the side frame to assist the workers in laying the power lines, and a sealing net is laid above the location where the spanning is required by the laying mechanism to lay the sealing net;

[0033] S3: The laying area of ​​the sealing net is adjusted through the regulating mechanism, so as to lay a sealing net of a specified area according to the actual demand of the power line to assist in the laying of the power line.

[0034] The invention provides a safe and stable mobile spanning frame for laying power lines and a use method thereof.

[0035] Compared with the existing technology, it has the following beneficial effects:

[0036] 1. The present invention lays horizontal sealing ropes and longitudinal sealing ropes through the laying components of the laying mechanism to form a sealing net, which is convenient for laying the sealing net above the crossing position and facilitating the laying of power lines. The horizontal sealing ropes and longitudinal sealing ropes are pre-laid on the ground and then tightened after being lifted, which reduces the number of high-altitude operation steps, improves the laying efficiency, and reduces the safety hazards of high-altitude operations. The number of longitudinal sealing ropes laid is adjusted by the adjustment mechanism, thereby facilitating the adjustment of the laying area of ​​the sealing net and facilitating adjustment according to the actual crossing area. It is suitable for different power line laying situations.

[0037] 2. The present invention uses a laying mechanism on the side of a road or river to unfold the longitudinal sealing rope through the first pulley, and then uses the first lock to put a specified number of transverse sealing ropes on the longitudinal sealing ropes at the edges of both sides. Then, the other ends of the longitudinal sealing rope and the transverse sealing rope are connected to the laying mechanism on the other side of the road and river. The above process can be operated on the ground, which is convenient for actual operation. Then, the crossing frame is lifted to the specified height by the crane arm and tightened to facilitate the laying of the sealing net.

[0038] 3. The present invention connects the reeling drum and the reeling assembly at both ends of the longitudinal and transverse sealing ropes, thereby facilitating the tightening of the longitudinal and transverse sealing ropes and loosening one end of the longitudinal and transverse sealing ropes after the power lines are laid, thereby facilitating the reeling of the longitudinal and transverse sealing ropes, reducing manual operations, improving work efficiency, and facilitating next use.

[0039] 4. The present invention adjusts the position of the first pulley through the adjustment component of the adjustment mechanism, and when the longitudinal net sealing rope is guided and laid only by the first pulley, the longitudinal net sealing rope is laid from the reel at the middle end of the rotating rod, so that the second pulley can guide and lay the longitudinal net sealing rope. The longitudinal net sealing rope can be guided and laid by the first pulley and the second pulley at the same time, which is convenient for adjusting the number of laid longitudinal net sealing ropes, and the longitudinal net sealing rope and the transverse net sealing rope are connected by the first locking buckle. The first locking buckle adopts a double-ring locking buckle, which is convenient for adjusting the length of the transverse net sealing rope, that is, adjusting the laying area of ​​the sealing net, and after use, it is convenient to retract it, which is convenient for laying while avoiding occupying a large amount of space and affecting the transfer when it is transferred by a mobile vehicle.

[0040] 5. The present invention enables the frame of the auxiliary component to move with the adjustment plate, and arranges a ladder rod on the inner wall of the frame, which is convenient for workers to operate at the top of the frame. By arranging a U-shaped rod, it is convenient to set the lock sleeve of the safety clothing worn by the workers on the U-shaped rod, preventing the workers from falling from a height, reducing the safety hazards of the workers working at height, and improving safety. The frame limits the side of the adjustment plate outside the fixed plate, thereby improving the stability of the movement of the adjustment plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a schematic diagram of the overall structure of a safe and stable mobile crossing frame for laying power lines according to the present invention;

[0042] Figure 2 It is a schematic structural diagram of the frame, side frame, adjustment mechanism and laying mechanism of the present invention;

[0043] Figure 3 This is an exploded right side structural diagram of the frame and the adjustment mechanism of the present invention;

[0044] Figure 4 This is a schematic diagram of the exploded left side structure of the frame and the adjustment mechanism of the present invention;

[0045] Figure 5 It is a schematic structural diagram of the adjustment mechanism and laying mechanism of the present invention;

[0046] Figure 6 It is a schematic structural diagram of the regulating mechanism of the present invention;

[0047] Figure 7 This is a schematic diagram of the inner structure of the fixing plate and the fixing member of the present invention;

[0048] Figure 8 This is a schematic structural diagram of the adjustment assembly, auxiliary assembly, fixed plate and first pulley of the present invention;

[0049] Figure 9 It is a schematic structural diagram of the regulating component and auxiliary component of the present invention;

[0050] Figure 10 It is a schematic structural diagram of the second chute, the third chute, the movable through chute and the first chute of the present invention;

[0051] Figure 11 This is a schematic structural diagram of the second connecting member of the present invention;

[0052] Figure 12 For the present invention Figure 11 Schematic diagram of the enlarged structure of A;

[0053] Figure 13 This is a schematic diagram of the structure of the second rotary hydraulic cylinder, the screw rod, the placement slot and the adjustment slot of the present invention;

[0054] Figure 14 It is a schematic diagram of the laying mechanism structure of the present invention;

[0055] Figure 15 It is a schematic structural diagram of the rotating rod and winding assembly of the present invention;

[0056] Figure 16 This is a schematic structural diagram of the winding assembly of the present invention;

[0057] Figure 17 It is a schematic diagram of the structure of the laying assembly of the present invention;

[0058] Figure 18 For the present invention Figure 17 Schematic diagram of the enlarged structure of C in the middle;

[0059] Figure 19 For the present invention Figure 17 Schematic diagram of the enlarged structure of B;

[0060] Figure 20 It is a schematic diagram of the crane arm laying structure of the present invention;

[0061] Figure 21 It is a schematic diagram of the structure of the longitudinal sealing rope and the transverse sealing rope of the present invention.

[0062] Reference numerals in the above drawings: 1, frame; 2, side frame; 3, adjustment mechanism; 4, laying mechanism; 5, lifting arm;

[0063] 31. Mounting seat; 32. Fixing member; 33. Fixing plate; 34. Adjusting assembly; 35. First pulley; 36. Auxiliary assembly;

[0064] 341, second pulley; 342, adjustment plate; 343, first slide; 344, second rotary hydraulic cylinder; 345, screw rod; 346, adjustment slot; 347, placement slot;

[0065] 361, second connecting member; 362, first connecting member; 363, frame; 364, U-shaped rod; 365, movable through slot; 366, third slide slot; 367, second slide slot; 368, roller;

[0066] 41. First rotary hydraulic cylinder; 42. Rotating rod; 43. Winding assembly; 44. Laying assembly;

[0067] 431, winding plate; 432, sleeve; 433, side plate; 434, second locking buckle;

[0068] 441. Longitudinal net-sealing rope; 442. Reeling drum; 443. Second connecting rope; 444. Horizontal net-sealing rope; 445. First connecting rope; 446. First locking buckle. DETAILED DESCRIPTION

[0069] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0070] Example 1: Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 A safe and stable mobile spanning frame for laying power lines includes a frame body 1, side frames 2 rotatably arranged on both sides of the frame body 1, and a lifting arm 5 arranged at the bottom of the frame body 1. The frame body 1 and the side frames 2 form a spanning frame. The height of the spanning frame is adjusted by the lifting arm 5. The lifting arm 5 is installed on a mobile vehicle to facilitate practical auxiliary use. The frame body 1 also includes an adjustment mechanism 3 arranged on the side of the frame body 1 away from the lifting arm 5. The adjustment mechanism 3 includes:

[0071] The mounting seat 31 is fixed to the side of the frame 1 away from the boom 5. A fixing piece 32 is fixed to the side of the mounting seat 31 away from the frame 1. A fixing plate 33 is fixed to the side where the fixing pieces 32 are close to each other. The fixing pieces 32 are symmetrically arranged about the center point of the fixing plate 33. An adjustment component 34 is provided inside the fixing plate 33. A laying mechanism 4 for laying a sealing net is provided at the bottom of the fixing piece 32 on the side of the mounting seat 31 away from the frame 1. The adjustment component 34 is used to adjust the laying area of ​​the sealing net to suit the use requirements of different power line laying.

[0072] See also Figure 14 、 Figure 17 、 Figure 18 and Figure 19 , the laying mechanism 4 includes:

[0073] The laying assembly 44 is arranged on the side of the mounting base 31 away from the boom 5, and the laying assembly 44 includes:

[0074] The winding drum 442 is rotatably arranged on the side of the mounting base 31 away from the boom 5 and is located at the bottom of the fixing part 32. The inner side of the winding drum 442 is detachably provided with a longitudinal net-sealing rope 441. The winding drum 442 is arranged horizontally to lay multiple longitudinal net-sealing ropes 441. The longitudinal net-sealing ropes 441 located at the edges of both sides are sleeved with horizontally arranged first locking buckles 446. The side walls of the first locking buckles 446 are sleeved with transverse net-sealing ropes 444. The transverse net-sealing ropes 444 and the longitudinal net-sealing ropes 441 are staggered to form a sealing net.

[0075] The laying assembly 44 further includes:

[0076] The first connecting rope 445 is fixed on the side wall of the transverse sealing rope 444 near the two end portions, and is used to connect multiple horizontally arranged transverse sealing ropes 444. The side wall of the first locking buckle 446 located near the mounting seat 31 is fixed with a second connecting rope 443, which is used to unfold the multiple horizontally arranged transverse sealing ropes 444. The laying mechanism 4 also includes a winding assembly 43 for assisting the unfolding of the transverse sealing rope 444 and a rotating rod 42 rotatably arranged on the side of the mounting seat 31 away from the boom 5, and the rotating rod 42 is located at the bottom of the fixing part 32, and the inner wall of the winding drum 442 is fixedly connected to the side wall of the rotating rod 42.

[0077] See also Figure 8 The adjustment mechanism 3 also includes a first pulley 35 fixed on the side of the fixed plate 33 away from the mounting seat 31, and the first pulley 35 is arranged horizontally, and the longitudinal sealing rope 441 is laid along the inner side of the first pulley 35 and the second pulley 341. The position of the second pulley 341 is adjusted by the adjustment component 34 to adjust the number of longitudinal sealing ropes 441 laid, thereby adjusting the area of ​​the laid sealing net.

[0078] For specific implementation, please refer to Figure 20 and Figure 21, the frame 1 and the side frame 2 are moved to the position where the span frame needs to be erected, such as the sides of the road or the two sides of the river, by moving the vehicle, and then, the longitudinal sealing net rope 441 is unfolded by the winding drum 442 of the laying component 44 at the position beside the road, so that the longitudinal sealing net rope 441 is unfolded along the first pulley 35, and the second pulley 341 is set to facilitate the winding or unfolding of the longitudinal sealing net rope 441. After unfolding the longitudinal sealing net rope 441, a specified number of transverse sealing net ropes 444 are put on the longitudinal sealing net ropes 441 at the edges of both sides through the first locking buckle 446, and the second connecting rope 443 is fixed to the second locking buckle 434 at the top of the winding plate 431 to fix one end of the transverse sealing net rope 444, and then, the other end of the longitudinal sealing net rope 441 and the transverse sealing net rope 444 are connected to the winding drum 442 and the first locking buckle 446 of the laying component 44 on the other side of the road. The above process can be operated on the ground, and this When the lifting is completed, the horizontal sealing rope 444 and the longitudinal sealing rope 441 are both in a relaxed state to avoid affecting the subsequent lifting of the frame 1 by the lifting arm 5. Then, the frame 1 is lifted to the specified height. After the lifting is completed, the first rotating hydraulic cylinder 41 is started, and the rotating shaft of the first rotating hydraulic cylinder 41 drives the rotating rod 42 and the winding drum 442 to rotate through the first gear, thereby tightening the longitudinal sealing rope 441. During this process, since the side plate 433 is rotatably connected to the rotating rod 42, the horizontal sealing rope 444 is not tightened. The staff connects the second connecting rope 443 with the second lock buckle 434 on the side wall of the sleeve 432 according to the tightening degree of the longitudinal sealing rope 441 and the looseness degree of the horizontal sealing rope 444. Since the sleeve 432 is fixedly connected to the rotating rod 42, the horizontal sealing rope 444 and the longitudinal sealing rope 441 can be tightened at the same time through the first connecting rope 445. After the tightening is completed, the laying of the sealing net is completed.

[0079] By first fixing the longitudinal sealing net rope 441 and the transverse sealing net rope 444 to the reel-up drum 442 and the reel-up assembly 43 on one side of the road or one bank of the river, and then fixing them to the reel-up drum 442 and the reel-up assembly 43 on the other side of the road or the other bank of the river, and then lifting the transverse sealing net rope 444 and the longitudinal sealing net rope 441 to a specified height and tightening them to lay the sealing net, it is convenient to lay the transverse sealing net rope 444 and the longitudinal sealing net rope 441 on the ground, reducing high-altitude operations, improving laying efficiency, and reducing safety hazards caused by high altitudes;

[0080] The two ends of the longitudinal sealing net rope 441 can be connected to the winding drum 442 through the same locking buckle 446, which is convenient for disassembly and assembly without affecting the winding drum 442 driving the longitudinal sealing net rope 441 to reel in. The first locking buckle 446 adopts a double-ring locking buckle, which is convenient for actually fixing or installing the transverse sealing net rope 444, the longitudinal sealing net rope 441, etc., and is convenient for adjusting the length of the transverse sealing net rope 444. The excess transverse sealing net rope 444 can be fixed on the first locking buckle 446, and the transverse sealing net rope 444 is installed on the side wall of the longitudinal sealing net rope 441 through the first locking buckle 446, which is convenient for laying the transverse sealing net rope 444, and multiple transverse sealing net ropes 444 are connected through the first connecting rope 445, which is convenient for tightening the transverse sealing net rope 444.

[0081] See also Figure 15 and Figure 16 , the winding assembly 43 includes:

[0082] The sleeve 432 is fixedly sleeved on both ends of the side wall of the rotating rod 42. The side walls of the rotating rod 42 and the sides of the sleeve 432 are rotatably provided with side plates 433, and the side plates 433 are fitted with the sleeve 432. The top of the side wall of the side plate 433 is fixedly provided with a winding plate 431. The top of the winding plate 431 and the side wall of the sleeve 432 are fixedly provided with a second lock 434 for connecting the second connecting rope 443. The back of the side plate 433 is fixedly connected to the side of the mounting seat 31 away from the boom 5. The laying mechanism 4 also includes:

[0083] The first rotary hydraulic cylinder 41 is fixed to the side wall of the mounting base 31 . The rotating shaft of the first rotary hydraulic cylinder 41 and the side wall of the rotating rod 42 are fixed with mutually meshing first gears so that the first rotary hydraulic cylinder 41 drives the rotating rod 42 to rotate.

[0084] In a specific implementation, when the second connecting rope 443 is fixed to the second lock buckle 434 on the side wall of the sleeve 432, the sleeve 432 is fixedly connected to the rotating rod 42 to drive the second connecting rope 443 to rotate, thereby facilitating the tightening of the horizontal sealing rope 444;

[0085] When the second connecting rope 443 is fixed to the second locking buckle 434 at the top of the winding plate 431, since the side plate 433 is rotatably connected to the rotating rod 42, and the side plate 433 is fixedly connected to the mounting seat 31, the side plate 433 and the winding plate 431 do not rotate during the rotation of the rotating rod 42, so that the horizontal sealing rope 444 is not tightened, so that the staff can flexibly tighten the horizontal sealing rope 444, and avoid the longitudinal sealing rope 441 or the horizontal sealing rope 444 being tight and the other loose due to the unequal length ratio of the horizontal sealing rope 444 and the longitudinal sealing rope 441, thereby improving the tightening effect and thus improving the sealing net laying effect.

[0086] Example 2: Please refer to Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 、 Figure 12 and Figure 13 The difference between this embodiment and the first embodiment is that the adjustment component 34 includes:

[0087] The adjusting slot 346 is provided on the side wall of the fixed plate 33. The inner wall of the adjusting slot 346 is provided with an adjusting plate 342 that moves horizontally along the adjusting slot 346. There are two adjusting plates 342, and they are symmetrically arranged with respect to the center point of the fixed plate 33. The top and bottom of the adjusting plates 342 are slidably connected with the top inner wall and the bottom inner wall of the adjusting slot 346 to limit the movement of the adjusting plates 342. A placement slot 347 is provided on the front inner wall of the adjusting slot 346. A horizontally arranged second pulley 341 is fixed on the front of the adjusting plate 342, and the second pulley 341 is located in the placement slot 347. The sides of the two adjusting plates 342 that are away from each other are both located outside the fixed plate 33, and the sides of the two adjusting plates 342 located outside the fixed plate 33 are both provided with an auxiliary component 36 for assisting the staff in operation.

[0088] The adjustment assembly 34 also includes:

[0089] The second rotary hydraulic cylinder 344 is fixed to the side of the fixing plate 33 close to the mounting seat 31 and is located on the side where the fixing members 32 are close to each other;

[0090] The screw rod 345 is rotatably arranged on the inner wall of the adjustment groove 346, and the two ends of the side wall of the screw rod 345 extend into the symmetrically arranged adjustment plates 342 respectively, and are threadedly connected to the adjustment plates 342. The screw rod 345 adopts a bidirectional screw. The rotating shaft of the second rotating hydraulic cylinder 344 and the middle end of the side wall of the screw rod 345 are fixedly sleeved with a second gear that meshes with each other, so that the rotating shaft of the second rotating hydraulic cylinder 344 drives the screw rod 345 to rotate through the second gear, so as to drive the two adjustment plates 342 to move away from or closer to each other.

[0091] During specific implementation, the second rotating hydraulic cylinder 344 is started, and the rotating shaft of the second rotating hydraulic cylinder 344 drives the screw rod 345 to rotate through the second gear. Since the screw rod 345 is threadedly connected to the adjustment plate 342, and the screw rod 345 adopts a bidirectional screw, during the rotation of the screw rod 345, the adjustment plate 342 is driven to move along the adjustment slot 346, thereby driving the second pulley 341 to move, so that the second pulley 341 is moved out of the placement slot 347, and one end of the longitudinal sealing rope 441 is fixed on the winding drum 442 and laid along the second pulley 341 to increase the number of longitudinal sealing ropes 441, thereby increasing the laying area of ​​the sealing net;

[0092] When the longitudinal net-sealing rope 441 is guided and laid only by the first pulley 35, the longitudinal net-sealing rope 441 is laid from the winding drum 442 at the middle end of the rotating rod 42, so that the second pulley 341 can guide and lay the longitudinal net-sealing rope 441. The longitudinal net-sealing rope 441 can be guided and laid by the first pulley 35 and the second pulley 341 at the same time.

[0093] The top inner wall and the bottom inner wall of the adjustment slot 346 are both provided with a first slide groove 343, and a first slider is placed inside the first slide groove 343. The first slider is fixedly connected to the top and bottom of the adjustment plate 342 respectively; when the adjustment plate 342 moves, it drives the first slider to move along the first slide groove 343, limiting the movement of the adjustment plate 342.

[0094] The height of the inner wall of the placement slot 347 is smaller than the height of the inner wall of the adjustment slot 346 , so as to limit the movement of the adjustment plate 342 .

[0095] See also Figure 9 、 Figure 10 and Figure 11 , the auxiliary component 36 includes:

[0096] The first connecting member 362 is fixed to the side of the adjustment plate 342 outside the fixed plate 33. A frame 363 is fixed to the top of the first connecting member 362. The inner wall of the frame 363 is fixed with horizontally arranged ladder rods for staff to walk on. A U-shaped rod 364 is fixed to the top of the frame 363 and on the outside of the ladder rods for connecting the lock of the safety clothing worn by the staff. The outside of the frame 363 is slidably connected to the side of the mounting seat 31 away from the frame 1 and the top of the fixed plate 33 to limit the movement of the frame 363.

[0097] The auxiliary assembly 36 also includes:

[0098] The second slide groove 367 is provided on the side of the mounting base 31 away from the frame 1. The second slider is placed inside the second slide groove 367 and is fixedly connected to the outer back surface of the frame 363.

[0099] The third slide groove 366 is opened at the top of the fixed plate 33, and the third slider is placed inside the third slide groove 366. The second connecting member 361 is fixedly provided on the top of the third slider. The top of the second connecting member 361 is fixedly connected to the outer bottom of the frame 363. The second slide groove 367 and the third slide groove 366 are symmetrically arranged around the center point of the fixed plate 33.

[0100] A movable groove 365 is provided on the bottom inner wall of the third slide groove 366, and the inner wall diameter of the movable groove 365 is smaller than the inner wall diameter of the third slide groove 366. A horizontally arranged roller 368 is fixed to the bottom of the third slider, and the roller 368 is placed in the movable groove 365, and the bottom of the roller 368 is in contact with the bottom inner wall of the movable groove 365.

[0101] In a specific implementation, when the adjustment plate 342 moves, the frame 363 is driven to move by the first connecting member 362. Since the inner wall of the frame 363 is provided with a ladder rod, it is convenient for workers to operate at the top of the frame 363. The U-shaped rod 364 is provided to facilitate the buckle of the safety clothing worn by the workers to be placed on the U-shaped rod 364, thereby preventing the workers from falling from a height, reducing the safety hazards of workers working at height, and improving safety.

[0102] The second sliding groove 367 and the third sliding groove 366 limit the movement of the frame 363, thereby improving the stability of the movement of the frame 363. The frame 363 also supports the side of the adjustment plate 342 located outside the fixed plate 33, thereby improving the stability of the movement of the adjustment plate 342.

[0103] When the frame 363 moves, it drives the third slider and the roller 368 to move, so that the roller 368 moves along the moving groove 365, reducing friction and improving the smoothness of movement.

[0104] The mobile vehicle, lifting arm 5, frame body 1 and side frame 2 of the present invention are all prior arts, that is, their connection methods are all prior arts. The hydraulic devices such as the first rotating hydraulic cylinder 41 of the present invention are all connected to the external hydraulic system for actual control and use. The above are all prior arts and will not be elaborated here.

[0105] The embodiment of the present invention further provides a method for using a safe and stable mobile crossing frame for laying power lines, using a safe and stable mobile crossing frame for laying power lines, the method comprising the following steps:

[0106] S1: Install the crane arm 5 on the mobile vehicle to drive the frame body 1 and the side frame 2 to move, so that the frame body 1 and the side frame 2 are moved to the circuit line laying position, and the crane arm 5 drives the frame body 1 and the side frame to rise or fall, so as to facilitate the raising of the frame body 1 and the side frame 2 to the specified height, and facilitate the lowering of the side frame 2 and the frame body 1 to the mobile vehicle, so as to facilitate the transfer of the frame body 1 and the side frame 2;

[0107] S2: A spanning frame is formed by the frame body 1 and the side frame 2 to assist the staff in laying the power line, and a sealing net is laid over the position where the spanning frame needs to be laid by the laying mechanism 4. When laying the sealing net, the frame body 1 and the side frame 2 are usually moved to the position where the spanning frame needs to be laid, such as the sides of the road or the banks of the river, by a mobile vehicle. Then, the longitudinal sealing net rope 441 is unfolded by the winding drum 442 of the laying component 44 at the side of the road, and the longitudinal sealing net rope 441 is unfolded. 41, a specified number of transverse sealing ropes 444 are placed on the longitudinal sealing ropes 441 at the edges of both sides through the first locking buckle 446, and the second connecting rope 443 is fixed to the second locking buckle 434 on the top of the winding plate 431 to fix one end of the transverse sealing rope 444. Then, the other ends of the longitudinal sealing rope 441 and the transverse sealing rope 444 are connected to the winding drum 442 and the first locking buckle 446 of the laying component 44 on the other side of the road, and tightened, thus completing the laying of the sealing net;

[0108] S3: The laying area of ​​the sealing net is adjusted through the adjustment mechanism 3, so that the sealing net of the specified area can be laid according to the actual needs of the power line to assist in the laying of the power line. During the adjustment, the position of the second pulley 341 is adjusted through the adjustment component 34, so that multiple longitudinal sealing net ropes 441 can be laid additionally. Since the transverse sealing net rope 444 is connected to the longitudinal sealing net rope 441 through the first lock buckle 446, the contact length of the transverse sealing net rope 444 and the longitudinal sealing net rope 441 is adjusted by the first lock buckle 446, the area of ​​the sealing net can be adjusted. The auxiliary component 36 is used to facilitate the staff to operate on the top of the adjustment plate 342 after the movement is completed, thereby facilitating actual laying and use.

[0109] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0110] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0111] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A safe and stable mobile spanning frame for laying power lines, comprising a frame body, side frames rotatably arranged on both sides of the frame body, and a lifting arm arranged at the bottom of the frame body, characterized in that: The crane also includes an adjustment mechanism disposed on a side of the frame away from the boom, the adjustment mechanism including: The mounting seat is fixed on the side of the frame away from the boom, a fixing piece is fixed on the side of the mounting seat away from the frame, a fixing plate is fixed on the side where the fixing pieces are close to each other, and the fixing pieces are symmetrically arranged about the center point of the fixing plate, an adjustment component is provided inside the fixing plate, a laying mechanism for laying the sealing net is provided on the side of the mounting seat away from the frame and at the bottom of the fixing piece, the adjustment component is used to adjust the laying area of ​​the sealing net to adapt to the use requirements of different power line laying, and the laying mechanism includes: The laying assembly is arranged on the side of the mounting base away from the boom, and the laying assembly includes: The winding drum is rotatably arranged on the side of the mounting base away from the boom and is located at the bottom of the fixing member. The inner side of the winding drum is detachably provided with a longitudinal net-sealing rope. The winding drum is arranged horizontally to lay multiple longitudinal net-sealing ropes. The longitudinal net-sealing ropes located on both edges are sleeved with horizontally arranged first locking buckles. The side walls of the first locking buckles are sleeved with transverse net-sealing ropes. The transverse net-sealing ropes and the longitudinal net-sealing ropes are staggered to form a net-sealing. The laying assembly also includes: The first connecting rope is fixed to the side wall of the transverse net-sealing rope near the two end portions, and is used to connect multiple horizontally arranged transverse net-sealing ropes. The side wall of the first lock buckle located near the mounting seat is fixed with a second connecting rope, which is used to unfold the multiple horizontally arranged transverse net-sealing ropes. The laying mechanism also includes a winding assembly for assisting the unfolding of the transverse net-sealing ropes and a rotating rod rotatably arranged on the side of the mounting seat away from the boom, and the rotating rod is located at the bottom of the fixing member. The inner wall of the winding drum is fixedly connected to the side wall of the rotating rod. The adjusting assembly includes: An adjusting slot is provided on the side wall of the fixed plate, and an adjusting plate that moves horizontally along the adjusting slot is sleeved on the inner wall of the adjusting slot. There are two adjusting plates, and they are symmetrically arranged about the center point of the fixed plate. The top and bottom of the adjusting plate are slidably connected to the top inner wall and the bottom inner wall of the adjusting slot to limit the movement of the adjusting plate. A placement slot is provided on the front inner wall of the adjusting slot, and a horizontally arranged second pulley is fixedly provided on the front of the adjusting plate, and the second pulley is located in the placement slot. The sides of the two adjusting plates that are away from each other are both located outside the fixed plate, and the sides of the two adjusting plates located outside the fixed plate are both provided with auxiliary components for assisting the staff in operation.

2. A safe and stable mobile crossover frame for laying power lines according to claim 1, characterized in that: The winding assembly comprises: The sleeve is fixedly sleeved on both ends of the side wall of the rotating rod, and side plates are rotatably provided at both ends of the side wall of the rotating rod and on both sides of the sleeve, and the side plates are fitted together. A winding plate is fixedly provided on the top of the side wall of the side plate, and a second lock buckle for connecting the second connecting rope is fixedly provided on the top of the winding plate and the side wall of the sleeve. The back of the side plate is fixedly connected to the side of the mounting base away from the boom. The laying mechanism also includes: The first rotary hydraulic cylinder is fixed on the side wall of the mounting seat. The rotating shaft of the first rotary hydraulic cylinder and the side wall of the rotating rod are fixed with mutually meshing first gears so that the first rotary hydraulic cylinder drives the rotating rod to rotate.

3. A safe and stable mobile spanning frame for laying power lines according to claim 1, characterized in that: The adjustment component also includes: The second rotary hydraulic cylinder is fixedly arranged on a side of the fixing plate close to the mounting seat and located on a side where the fixing members are close to each other; The screw rod is rotatably arranged on the inner wall of the adjustment groove, and the two ends of the side walls of the screw rod extend into the symmetrically arranged adjustment plates and are threadedly connected to the adjustment plates. The screw rod adopts a bidirectional screw rod. The rotating shaft of the second rotary hydraulic cylinder and the middle end of the side wall of the screw rod are fixedly sleeved with second gears that mesh with each other, so that the rotating shaft of the second rotary hydraulic cylinder drives the screw rod to rotate through the second gear, so as to drive the two adjustment plates away from or closer to each other.

4. A safe and stable mobile spanning frame for laying power lines according to claim 1, characterized in that: The auxiliary components include: The first connecting member is fixed to a side of the adjustment plate outside the fixed plate, a frame is fixed on the top of the first connecting member, and horizontally arranged ladder rods are fixed on the inner wall of the frame for workers to walk on. A U-shaped rod is fixed on the top of the frame and on the outside of the ladder rod, which is used to connect the lock of the safety clothing worn by the workers. The outside of the frame is slidably connected to the side of the mounting seat away from the frame and the top of the fixed plate to limit the movement of the frame.

5. A safe and stable mobile spanning frame for laying power lines according to claim 4, characterized in that: The top inner wall and the bottom inner wall of the adjusting slot are both provided with a first sliding groove, and the first sliding blocks are placed inside the first sliding grooves, and the first sliding blocks are fixedly connected to the top and bottom of the adjusting plate respectively; The auxiliary components also include: A second slide groove is provided on a side of the mounting base away from the frame body, a second slider is placed inside the second slide groove, and the second slider is fixedly connected to the outer back surface of the frame body; The third slide groove is opened at the top of the fixed plate, and the third slider is placed inside the third slide groove. The top of the third slider is fixedly provided with a second connecting member, and the top of the second connecting member is fixedly connected to the outer bottom of the frame. The second slide groove and the third slide groove are symmetrically arranged with respect to the center point of the fixed plate.

6. A safe and stable mobile spanning frame for laying power lines according to claim 5, characterized in that: A movable groove is provided on the inner wall of the bottom of the third slide groove, and the inner wall diameter of the movable groove is smaller than the inner wall diameter of the third slide groove. A horizontally arranged roller is fixed to the bottom of the third slider, and the roller is placed in the movable groove, and the bottom of the roller contacts the inner wall of the bottom of the movable groove.

7. A safe and stable mobile spanning frame for laying power lines according to claim 1, characterized in that: The height of the inner wall of the placement slot is smaller than the height of the inner wall of the adjustment slot, so as to limit the movement of the adjustment plate; The adjustment mechanism also includes a first pulley fixed on the side of the fixed plate away from the mounting seat, and the first pulley is arranged horizontally. The longitudinal net-sealing rope is laid along the inner side of the first pulley and the second pulley. The position of the second pulley is adjusted by the adjustment component to adjust the number of longitudinal net-sealing ropes laid, thereby adjusting the area of ​​the laid net.

8. A safe and stable method for using a mobile crossover frame for laying power lines, characterized in that: Using the safe and stable mobile spanning frame for laying power lines according to any one of claims 1 to 7, the method comprises the following steps: S1: Installing the crane arm on a mobile vehicle to drive the frame body and the side frames to move to the circuit line laying position; S2: A spanning frame is formed by the frame body and the side frame to assist the workers in laying the power lines, and a sealing net is laid above the location where the spanning is required by the laying mechanism to lay the sealing net; S3: The laying area of ​​the sealing net is adjusted through the regulating mechanism, so as to lay a sealing net of a specified area according to the actual demand of the power line to assist in the laying of the power line.

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