Intelligent folding type live line crossing protection method

Abstract

The invention discloses an intelligent folding type crossing live line protection method, which comprises the following operation steps: S1, according to a crossing construction design drawing, determining a specific position of a wire needing to be protected in a crossing manner; s2, folding type crossing devices are erected on the ground on the two sides of the crossed live wire; s3, applying an external force to unfold the crossing device from a folded state and arrange the crossing device perpendicular to the ground; s4, monitoring the upper protected wire in real time and protecting the fallen protected wire in time; according to the invention, the to-be-erected wire and the spanning wire are isolated and protected by arranging the foldable spanning frame, and the spanning line can be protected by directly unfolding the spanning frame in a folded state into a vertical state by virtue of external force, so that the assembly efficiency of the spanning frame is improved; and meanwhile, the monitoring assembly is arranged to detect the state of the to-be-erected wire on the upper portion in time, and the crossing frame can protect the line when the line falls and buffer the impact load when the line falls.

Description

Technical Field

[0001] The invention relates to the technical field of crossing line protection, and in particular to an intelligent foldable crossing live line protection method. Background Art

[0002] The laying out of crossing lines refers to the operation of transmitting electricity from one side of the crossing line to the other side over the lower line. Since the lower line is energized, in order to avoid the crossing line from contacting the lower line and to ensure the safety of the laying out of the crossing line, the lower line needs to be shut down when laying out the crossing line. The power outage operation method brings inconvenience to users and causes serious economic losses to enterprises. At present, in order to lay out the crossing line under energization, the operators set up support frames on the roads on both sides of the lower line and lay protective nets between the support frames on both sides to protect the erected wires, so as to prevent the erected wires above the crossing frame from contacting the lower line.

[0003] However, the commonly used method of assembling the spanning support frame is generally to complete it by building a scaffolding and manually working at high altitude. The assembly operation is complicated, and it takes a lot of time to dismantle it after the assembly is completed. The time cost and labor cost are obviously high, the assembly efficiency is low, and the high-altitude operation has certain risks and cannot guarantee construction safety. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an intelligent foldable method for protecting live crossing lines, which can quickly install the crossing frame and improve the installation efficiency of the crossing frame, so as to effectively isolate and protect the lines to be installed and the lines to be crossed during the installation of the transmission line.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows.

[0006] An intelligent foldable cross-over live line protection method includes the following steps:

[0007] S1. According to the crossing construction design drawing, determine the specific location where the protective conductor needs to be crossed;

[0008] S2. Set up foldable crossing devices on the ground on both sides of the live wires to be crossed;

[0009] S3, applying external force to unfold the spanning device from a folded state and set it perpendicular to the ground;

[0010] S4. Monitor the protected conductors above in real time and protect the fallen protected conductors in time.

[0011] In the above-mentioned intelligent foldable spanning method for protecting live lines, the foldable spanning device in step S2 includes a symmetrically arranged foldable spanning frame, a control module, and a monitoring module for detecting whether any overhead wires above are in a fallen state, and a protective sealing net is installed between the two spanning frames; the monitoring module is installed at the top of the foldable spanning frame, and the output end of the monitoring module is connected to the input end of the control module.

[0012] The above-mentioned intelligent foldable spanning method for protecting live lines, the foldable spanning frame includes a plurality of trapezoidal spanning frame units, and the trapezoidal spanning frame units are connected by crossbeam modules; the trapezoidal spanning frame units include symmetrically arranged vertical beam modules, and the vertical beam modules are connected to a support seat installed on the ground by a rotating hinge, and a plurality of trusses are installed between the vertical beam modules, and the vertical beam modules and the trusses are connected to form an isosceles trapezoidal structure.

[0013] The above-mentioned intelligent foldable method for protecting live lines across the line, the vertical beam module is connected by eight vertical beams, and external threads are arranged at both ends of the vertical beams, wherein high damping spring mechanisms are installed between the first-level vertical beams and the second-level vertical beams, between the third-level vertical beams and the fourth-level vertical beams, and between the fifth-level vertical beams and the sixth-level vertical beams, the second-level vertical beams and the third-level vertical beams, between the fourth-level vertical beams and the fifth-level vertical beams, and between the sixth-level vertical beams and the seventh-level vertical beams are respectively connected by straight connectors, and a shear damping mechanism is installed between the seventh-level vertical beams and the eighth-level vertical beams.

[0014] The above-mentioned intelligent foldable method for protecting live lines, the high-damping spring mechanism includes two cylindrical sleeves arranged opposite to each other up and down, the interior of the cylindrical sleeve is divided into a threaded inner cavity and a smooth inner cavity by a partition plate, the threaded inner cavity is threadedly connected to the vertical beam, a spring is connected between the smooth inner cavities, and a connecting shaft is sleeved inside the spring, one end of the connecting shaft is threadedly connected to the upper partition plate, and the other end is slidably connected to the lower partition plate.

[0015] The above-mentioned intelligent foldable method for protecting live lines, the shear damping mechanism includes a shear inner cylinder and a shear outer cylinder, the cylindrical side of the shear inner cylinder is opened with a plurality of through holes, and the cylindrical side of the shear outer cylinder corresponding to the shear inner cylinder is also opened with a plurality of through holes; the shear outer cylinder is composed of two symmetrically arranged semi-cylindrical cylinders, the shear outer cylinder is sleeved on the outside of the shear inner cylinder and connected by steel nails passing through the corresponding through holes; both ends of the shear outer cylinder are provided with external threads, and the shear outer cylinder is connected to the vertical beam by a nut sleeve with an internal thread.

[0016] The above-mentioned intelligent foldable crossing method for protecting live lines, the foldable crossing frame includes a mounting base, an upper support assembly, a lower support assembly, and a buffer assembly, the bottom end of the lower support assembly is installed on a symmetrically arranged mounting base; the bottom end of the upper support assembly is hinged to the top end of the lower support assembly through a flip hinge, and the upper support assembly and the lower support assembly are locked and connected through a reinforcing plate; the lower support assembly includes two lower support columns, and a number of support cross bars evenly arranged at intervals are installed between the lower support columns; the upper support assembly includes two upper support columns, and a number of support cross bars evenly arranged at intervals are installed between the upper support columns.

[0017] In the above-mentioned intelligent foldable method for protecting crossing live lines, a vertical plate movably connected to the flip hinge is arranged on the lower supporting column, and a plurality of adjustment holes for adjusting the installation position of the flip hinge are opened on the vertical plate.

[0018] The above-mentioned intelligent foldable method for protecting crossing live lines, the buffer component includes a central axis, a load-bearing block, an outer cover plate, and a movable plate. A load-bearing plate is arranged on the top of the load-bearing block, the load-bearing block and the movable plate are connected by a connecting rod, and the load-bearing block and the movable plate are respectively hinged to the ends of the connecting rod, the movable plate is slidably connected to the central axis, and an extrusion spring mounted on the central axis is installed between the outer cover plate and the movable plate.

[0019] The above-mentioned intelligent foldable crossing method for protecting live lines, the foldable crossing frame includes a supporting base, a longitudinal module, and a transverse module, the longitudinal module is hinged to the supporting base, and the top of the adjacent longitudinal module is hinged to the transverse module; the vertical module includes a vertical bracket and a buffer component installed on the vertical bracket, the buffer component includes an electromagnetic adjustable damping mechanism, the electromagnetic adjustable damping mechanism is composed of a solenoid valve and a buffer cylinder, and the solenoid valve is installed at the liquid inlet end of the buffer cylinder; the transverse module includes a transverse bracket hinged to the longitudinal module, and a transverse protection groove is opened on the transverse bracket; a safety airbag is arranged inside the transverse protection groove, and the controlled end of the safety airbag is connected to the output end of the control module.

[0020] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0021] The present invention provides an intelligent foldable cross-over live line protection method. A foldable cross-over frame is provided to isolate and protect the wires to be erected and the cross-over wires. No high-altitude scaffolding is needed to assemble the cross-over frame. The cross-over frame in a folded state is directly unfolded to a vertical state with the help of external force to protect the cross-over line, thereby improving the assembly efficiency of the cross-over frame and saving time and labor costs. At the same time, a monitoring component is provided to timely detect the status of the wires to be erected above, and the cross-over frame can protect the line when the line falls and buffer the impact load when the line falls, thereby avoiding impact on the cross-over line below and affecting the power supply of the line. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the specific structure of the spanning frame in the first embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the specific structure of the spanning frame in the folded state in the first embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the specific structure of the vertical beam module connection in the first embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the specific structure of the high damping spring mechanism in the first embodiment of the present invention;

[0026] Figure 5 Schematic diagram of the specific structure of the shear damping mechanism in the first embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the specific structure of the spanning frame in the second embodiment of the present invention;

[0028] Figure 7 This is a schematic diagram of the specific structure of the cross-frame in the folded state in the second embodiment of the present invention;

[0029] Figure 8 It is a schematic diagram of the specific structure of the buffer assembly in the second embodiment of the present invention.

[0030] Wherein: 100. Support seat, 101. Vertical beam module, 1011. Vertical beam, 1012. Straight connector, 1013. High damping spring mechanism, 1014. Shear damping mechanism, 102. Cross beam module, 103. Truss, 104. Electric winch, 105. Steel wire rope, 106. Polyurethane shock-absorbing block, 107. Rotary hinge, 200. Mounting base, 201. Lower support column, 202. Upper support column, 203. Support cross bar, 204. Buffer assembly, 2041. Outer cover plate, 2042. Moving plate, 2043. Load-bearing block, 2044. Load-bearing plate, 2045. Connecting rod, 2046. Extrusion spring, 2047. Center axis, 205. Flip hinge, 206. Reinforcement plate, 207. Vertical plate. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] An intelligent foldable crossing live line protection method includes the following operation steps: S1, determining the specific position of the crossing protection wire according to the crossing construction design drawing.

[0033] The specific position that needs to be crossed for protection in step S1 is the intersection between the live wire to be crossed and the overhead wire to be laid.

[0034] S2. Set up a foldable crossing device on the ground on both sides of the live wire to be crossed.

[0035] The foldable spanning device in step S2 includes symmetrically arranged foldable spanning frames, a control module, a monitoring module, and a protection module. A protective sealing net is installed between the two spanning frames.

[0036] The output end of the monitoring module is connected to the input end of the control module. The monitoring module is installed at the top of the foldable crossing frame and is used to detect the overhead wires above and determine whether any wires are in a falling state so as to protect the fallen wires in time.

[0037] S3. Apply external force to unfold the spanning device from a folded state and set it perpendicular to the ground.

[0038] In step S3, an external force may be applied to the foldable spanning device by a winch to control the spanning device in the folded state to unfold into a vertical state.

[0039] S4. Monitor the protected conductors above in real time and protect the fallen protected conductors in time.

[0040] When the monitoring module detects that the wire is in a falling state, the control module controls the protection module to take over the falling wire to prevent the falling wire from impacting the crossed live wire, so as to buffer the impact load.

[0041] The following will be described in conjunction with a specific embodiment of the foldable spanning frame.

[0042] Embodiment 1

[0043] An intelligent foldable cross-over live line protection method, such as Figures 1 to 5 As shown, the following operation steps are included: S1. According to the crossing construction design drawing, determine the specific location where the protective conductor needs to be crossed.

[0044] The specific position that needs to be crossed for protection in step S1 is the intersection between the live wire to be crossed and the overhead wire to be laid.

[0045] S2. Set up a foldable crossing device on the ground on both sides of the live wire to be crossed.

[0046] The foldable spanning device in step S2 includes symmetrically arranged foldable spanning frames, a control module, a monitoring module, and a protection module. A protective sealing net is installed between the two spanning frames.

[0047] The output end of the monitoring module is connected to the input end of the control module. The monitoring module is installed at the top of the foldable crossing frame and is used to detect the overhead wires above and determine whether any wires are in a falling state so as to protect the fallen wires in time.

[0048] The foldable spanning frame includes a plurality of trapezoidal spanning frame units, which are connected by cross beam modules 102 . The trapezoidal spanning frame units include symmetrically arranged vertical beam modules 101 , which are connected to a support base 100 installed on the ground via a rotating hinge 107 .

[0049] A plurality of trusses 103 are installed between the vertical beam modules, and the vertical beam modules 101 and the trusses 103 are connected to form an isosceles trapezoidal structure, which can ensure the stability of the trapezoidal spanning frame unit.

[0050] The vertical beam module 101 is connected by eight vertical beams 1011, and external threads are arranged at both ends of the vertical beams 1011. A high damping spring mechanism 1013 is installed between the first-level vertical beam and the second-level vertical beam, between the third-level vertical beam and the fourth-level vertical beam, and between the fifth-level vertical beam and the sixth-level vertical beam. The second-level vertical beam and the third-level vertical beam, the fourth-level vertical beam and the fifth-level vertical beam, and the sixth-level vertical beam and the seventh-level vertical beam are connected respectively by linear connectors 1012. A shear damping mechanism 1014 is installed between the seventh-level vertical beam and the eighth-level vertical beam.

[0051] The high damping spring mechanism 1013 includes two cylindrical sleeves arranged opposite to each other in the upper and lower parts. The interior of the cylindrical sleeve is divided into a threaded inner cavity and a smooth inner cavity by a partition plate. The threaded inner cavity is threadedly connected to the vertical beam, a spring is connected between the smooth inner cavities, and a connecting shaft is sleeved inside the spring, one end of the connecting shaft is threadedly connected to the upper partition plate, and the other end is slidably connected to the lower partition plate.

[0052] The shear damping mechanism 1014 includes a shear inner cylinder and a shear outer cylinder. The cylindrical side surface of the shear inner cylinder is provided with a plurality of through holes, and the cylindrical side surface of the shear outer cylinder corresponding to the shear inner cylinder is also provided with a plurality of through holes.

[0053] The shear outer cylinder is composed of two symmetrically arranged semi-cylindrical cylinders. The shear outer cylinder is sleeved on the outer side of the shear inner cylinder and connected by steel nails passing through corresponding through holes.

[0054] Both ends of the shear outer cylinder are provided with external threads, and the shear outer cylinder is connected to the vertical beam through a nut sleeve with internal threads.

[0055] The cross beam module 102 includes a transverse telescopic rod, and two ends of the transverse telescopic rod are respectively hinged to the top ends of adjacent vertical beam modules.

[0056] The top end of the outermost vertical beam module is connected to the electric winch 104 through a steel wire rope 105. A polyurethane shock-absorbing block 106 is provided at the head of the steel wire rope 105. The controlled end of the electric winch 104 is connected to the output end of the control module.

[0057] S3. Apply external force to unfold the spanning device from a folded state and set it perpendicular to the ground.

[0058] In step S3, the steel wire rope 105 on the electric winch 104 is connected to the hook at the top of the vertical beam, and the steel wire rope is retracted by the electric winch, so that the crossing frame is unfolded from a folded state to a vertical state and the crossing line below is protected.

[0059] S4. The monitoring component at the top of the crossing device will monitor the protected wires above in real time and protect the fallen protected wires in time.

[0060] When the monitoring module detects that the wire is in a falling state, the control module controls the protection module to take over the falling wire to prevent the falling wire from impacting the crossed live wire, so as to buffer the impact load.

[0061] Embodiment 2

[0062] An intelligent foldable cross-over live line protection method, such as Figures 6 to 8 As shown, the following operation steps are included: S1. According to the crossing construction design drawing, determine the specific location where the protective conductor needs to be crossed.

[0063] The specific position that needs to be crossed for protection in step S1 is the intersection between the live wire to be crossed and the overhead wire to be laid.

[0064] S2. Set up a foldable crossing device on the ground on both sides of the live wire to be crossed.

[0065] The foldable spanning device in step S2 includes symmetrically arranged foldable spanning frames, a control module, a monitoring module, and a protection module. A protective sealing net is installed between the two spanning frames.

[0066] The output end of the monitoring module is connected to the input end of the control module. The monitoring module is installed at the top of the foldable crossing frame and is used to detect the overhead wires above and determine whether any wires are in a falling state so as to protect the fallen wires in time.

[0067] The foldable crossing frame includes a mounting base 200, an upper support assembly, a lower support assembly, and a buffer assembly 204. The bottom end of the lower support assembly is mounted on the symmetrically arranged mounting base 200. The bottom end of the upper support assembly is hinged to the top end of the lower support assembly via a flip hinge 205, and the upper support assembly and the lower support assembly are locked and connected via a reinforcing plate 206.

[0068] The lower support assembly includes two lower support columns 201 , and a plurality of support cross bars 203 arranged at even intervals are installed between the lower support columns 201 .

[0069] The upper support assembly includes two upper support columns 202 , and a plurality of support cross bars 203 arranged at even intervals are installed between the upper support columns 202 .

[0070] A vertical plate 207 movably connected to the flip hinge 205 is provided on the lower supporting column 201 . A plurality of adjustment holes are provided on the vertical plate 207 so as to adjust the installation position of the flip hinge.

[0071] The buffer assembly 204 includes a central axis 2047, a load-bearing block 2043, an outer cover plate 2041, and a movable plate 2042. A load-bearing plate 2044 is arranged on the top of the load-bearing block 2043. The load-bearing block 2043 and the movable plate 2042 are connected by a connecting rod 2045, and the load-bearing block 2043 and the movable plate 2042 are respectively hinged to the ends of the connecting rod 2045, and the movable plate 2042 is slidably connected to the central axis 2047.

[0072] A compression spring 2046 sleeved on the central shaft 2047 is installed between the outer cover plate 2041 and the movable plate 2042 .

[0073] When the load-bearing plate 2044 is impacted, it will drive the load-bearing block 2043 to move downward, and at the same time, driven by the connecting rod 2045, it will push the movable plate 2042 to move toward the outer cover plate 2041 to alleviate the impact force. At the same time, when there is no force, the extrusion spring will drive the movable plate to rebound and reset.

[0074] S3. Apply external force to unfold the spanning device from a folded state and set it perpendicular to the ground.

[0075] In step S3, the crane can be connected to the top of the upper support assembly to drive the upper support assembly to flip upward to complete the deployment of the spanning frame.

[0076] S4. The monitoring component at the top of the crossing device will monitor the protected wires above in real time and protect the fallen protected wires in time.

[0077] When the monitoring module detects that the wire is in a falling state, the control module controls the protection module to take over the falling wire to prevent the falling wire from impacting the crossed live wire, so as to buffer the impact load.

[0078] Embodiment 3

[0079] An intelligent foldable crossing live line protection method includes the following operation steps: S1, determining the specific position of the crossing protection wire according to the crossing construction design drawing.

[0080] The specific position that needs to be crossed for protection in step S1 is the intersection between the live wire to be crossed and the overhead wire to be laid.

[0081] S2. Set up a foldable crossing device on the ground on both sides of the live wire to be crossed.

[0082] The foldable spanning device in step S2 includes symmetrically arranged foldable spanning frames, a control module, a monitoring module, and a protection module. A protective sealing net is installed between the two spanning frames.

[0083] The output end of the monitoring module is connected to the input end of the control module. The monitoring module is installed at the top of the foldable crossing frame and is used to detect the overhead wires above and determine whether any wires are in a falling state so as to protect the fallen wires in time.

[0084] The foldable spanning frame comprises a supporting base, a longitudinal module and a transverse module. The longitudinal module is hinged to the supporting base, and the top ends of adjacent longitudinal modules are hinged to the transverse modules.

[0085] The vertical module includes a vertical bracket and a buffer assembly installed on the vertical bracket. The buffer assembly includes an electromagnetic adjustable damping mechanism. The electromagnetic adjustable damping mechanism consists of a solenoid valve and a buffer cylinder. The solenoid valve is installed at the liquid inlet end of the buffer cylinder.

[0086] The controlled end of the solenoid valve is connected to the output end of the control module. When the monitoring module detects that the upper wire begins to fall, it will send a signal to the control module. The control module then transmits a signal to the solenoid valve to adjust the opening and closing size of the solenoid valve, and add or release gas to the buffer cylinder to adjust the damping hardness, which is used to buffer the impact load when the wire falls.

[0087] The transverse module comprises a transverse bracket hinged to the longitudinal module, and a transverse protection groove is provided on the transverse bracket.

[0088] An airbag is arranged inside the transverse protection groove, and the controlled end of the airbag is connected to the output end of the control module. When the overhead wire above falls on the transverse protection groove, the airbag explodes and pops out in time to protect the overhead wire.

[0089] S3. Apply external force to unfold the spanning device from a folded state and set it perpendicular to the ground.

[0090] In step S3, an external force may be applied to the foldable spanning device by a winch to control the spanning device in the folded state to unfold into a vertical state.

[0091] S4. The monitoring component at the top of the crossing device will monitor the protected wires above in real time and protect the fallen protected wires in time.

[0092] When the monitoring module detects that the wire is in a falling state, the control module controls the airbag to explode and deploy to catch the falling wire, preventing the falling wire from impacting the crossed live wire, so as to buffer the impact load.

[0093] The present invention provides an intelligent foldable cross-over live line protection method. A foldable cross-over frame is provided to isolate and protect the wires to be erected and the cross-over wires. No high-altitude scaffolding is needed to assemble the cross-over frame. The cross-over frame in a folded state is directly unfolded to a vertical state with the help of external force to protect the cross-over line, thereby improving the assembly efficiency of the cross-over frame and saving time and labor costs. At the same time, a monitoring component is provided to timely detect the status of the wires to be erected above, and the cross-over frame can protect the line when the line falls and buffer the impact load when the line falls, thereby avoiding impact on the cross-over line below and affecting the power supply of the line.

Claims

1. An intelligent foldable method for protecting live lines, characterized in that: The steps include: S1. According to the crossing construction design drawing, determine the specific location where the protective conductor needs to be crossed; S2. Set up foldable crossing devices on the ground on both sides of the live wires to be crossed; S3, applying external force to unfold the spanning device from a folded state and set it perpendicular to the ground; S4. Monitor the protected conductors above in real time and protect the fallen protected conductors in time.

2. The intelligent foldable cross-over live line protection method according to claim 1 is characterized in that: The foldable crossing device in step S2 includes a symmetrically arranged foldable crossing frame, a control module, and a monitoring module for detecting whether any overhead wires above are in a falling state. A protective sealing net is installed between the two crossing frames; the monitoring module is installed at the top of the foldable crossing frame, and the output end of the monitoring module is connected to the input end of the control module.

3. The intelligent foldable method for protecting live lines according to claim 2 is characterized in that: The foldable spanning frame comprises a plurality of trapezoidal spanning frame units, wherein the trapezoidal spanning frame units are connected via crossbeam modules (102); the trapezoidal spanning frame units comprise symmetrically arranged vertical beam modules (101), wherein the vertical beam modules (101) are connected to a support seat (100) installed on the ground via a rotating hinge (107), wherein a plurality of trusses (103) are installed between the vertical beam modules, and an isosceles trapezoidal structure is formed after the vertical beam modules (101) and the trusses (103) are connected.

4. The intelligent foldable method for protecting live lines according to claim 3 is characterized in that: The vertical beam module (101) is formed by connecting eight vertical beams (1011), and both ends of the vertical beams (1011) are provided with external threads. A high damping spring mechanism (1013) is installed between the first-level vertical beam and the second-level vertical beam, between the third-level vertical beam and the fourth-level vertical beam, and between the fifth-level vertical beam and the sixth-level vertical beam. The second-level vertical beam and the third-level vertical beam, the fourth-level vertical beam and the fifth-level vertical beam, and the sixth-level vertical beam and the seventh-level vertical beam are connected respectively by linear connectors (1012), and a shear damping mechanism (1014) is installed between the seventh-level vertical beam and the eighth-level vertical beam.

5. The intelligent foldable method for protecting live lines according to claim 4 is characterized in that: The high damping spring mechanism (1013) comprises two cylindrical sleeves arranged opposite to each other in an upper and lower direction. The interior of the cylindrical sleeve is divided into a threaded inner cavity and a smooth inner cavity by a partition plate. The threaded inner cavity is threadedly connected to the vertical beam. A spring is connected between the smooth inner cavities. A connecting shaft is sleeved inside the spring. One end of the connecting shaft is threadedly connected to the upper partition plate, and the other end is slidably connected to the lower partition plate.

6. The intelligent foldable method for protecting live lines according to claim 4 is characterized in that: The shear damping mechanism (1014) comprises a shear inner cylinder and a shear outer cylinder, wherein a plurality of through holes are provided on the cylindrical side surface of the shear inner cylinder, and a plurality of through holes are also provided on the cylindrical side surface of the shear outer cylinder corresponding to the shear inner cylinder; the shear outer cylinder is composed of two symmetrically arranged semi-cylindrical cylinders, wherein the shear outer cylinder is sleeved on the outer side of the shear inner cylinder and connected by steel nails passing through corresponding through holes; both ends of the shear outer cylinder are provided with external threads, and the shear outer cylinder is connected to the vertical beam by a nut sleeve with internal threads.

7. The intelligent foldable method for protecting live lines according to claim 2 is characterized in that: The foldable spanning frame comprises a mounting base (200), an upper support assembly, a lower support assembly, and a buffer assembly (204), wherein the bottom end of the lower support assembly is mounted on a symmetrically arranged mounting base (200); the bottom end of the upper support assembly is hinged to the top end of the lower support assembly via a flip hinge (205), and the upper support assembly and the lower support assembly are locked and connected via a reinforcing plate (206); the lower support assembly comprises two lower support columns (201), and a plurality of support cross bars (203) arranged at even intervals are mounted between the lower support columns (201); the upper support assembly comprises two upper support columns (202), and a plurality of support cross bars (203) arranged at even intervals are mounted between the upper support columns (202).

8. The intelligent foldable method for protecting live lines according to claim 7 is characterized in that: The lower supporting column (201) is provided with a vertical plate (207) movably connected to the flip hinge (205), and the vertical plate (207) is provided with a plurality of adjustment holes for adjusting the installation position of the flip hinge.

9. The intelligent foldable method for protecting live lines according to claim 7, characterized in that: The buffer assembly (204) comprises a central shaft (2047), a load-bearing block (2043), an outer cover plate (2041), and a movable plate (2042); a load-bearing plate (2044) is arranged on the top of the load-bearing block (2043); the load-bearing block (2043) and the movable plate (2042) are connected via a connecting rod 2045, and the load-bearing block (2043) and the movable plate (2042) are respectively hinged to the ends of the connecting rod (2045); the movable plate (2042) and the central shaft (2047) are slidably connected; and a compression spring (2046) sleeved on the central shaft (2047) is installed between the outer cover plate (2041) and the movable plate (2042).

10. The intelligent foldable method for protecting live lines according to claim 2, characterized in that: The foldable crossing frame includes a supporting base, a longitudinal module, and a transverse module. The longitudinal module is hinged to the supporting base, and the top of the adjacent longitudinal module is hinged to the transverse module; the vertical module includes a vertical bracket and a buffer assembly installed on the vertical bracket, the buffer assembly includes an electromagnetic adjustable damping mechanism, the electromagnetic adjustable damping mechanism is composed of a solenoid valve and a buffer cylinder, and the solenoid valve is installed at the liquid inlet end of the buffer cylinder; the transverse module includes a transverse bracket hinged to the longitudinal module, and a transverse protection groove is provided on the transverse bracket; a safety airbag is arranged inside the transverse protection groove, and the controlled end of the safety airbag is connected to the output end of the control module.

Images