Trailer for live-line blocking of power transmission line

Abstract

The invention provides a power transmission line electrified net blocking trailer, which belongs to the technical field of power grid equipment, and comprises a trailer base body, a net blocking plate, a tensioning assembly and an inclined strut assembly, a telescopic supporting frame extending upwards is arranged at the top of the trailer base body. One end of the screen sealing plate is fixed on the telescopic support frame, and the other end horizontally extends along a preset direction; the extending direction of the screen sealing plate is defined as a first direction; one end of the tensioning assembly is fixed on the trailer base body; in the first direction, the fixed end of the tensioning assembly and the net sealing plate are arranged on the two sides of the telescopic supporting frame correspondingly. The other end of the tensioning assembly upwards bypasses the top of the telescopic supporting frame and is connected with the extending end of the net sealing plate. The inclined strut assembly is arranged on the telescopic supporting frame and located below the net sealing plate. One end of the inclined strut assembly is supported at the bottom of the net sealing plate, and the other end of the inclined strut assembly abuts against the tensioning assembly. According to the live-line blocking trailer for the power transmission line, a counter weight does not need to be additionally arranged to balance torque, and the overall safety can be effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of power grid equipment, and more specifically, relates to a live grid sealing trailer for power transmission lines. Background Art

[0002] The live transmission line sealing trailer is a telescopic sealing mechanism modified on a crawler trailer. During the sealing operation, the modified trailer is transported to the designated work station by an amphibious transport vehicle, and the trailer is fixed to the ground by an electro-hydraulic jack, and then the sealing mechanism is unfolded to seal the network.

[0003] In the prior art, the telescopic sealing plate of the sealing mechanism needs to be extended to a certain length when unfolded. In order to balance the torque, a counterweight needs to be set at the other end of the sealing plate. Since the sealing plate is located at a high position, there is a risk of heavy objects falling when the counterweights are arranged at high altitudes. This safety issue is more obvious in severe weather such as strong winds. Summary of the invention

[0004] The purpose of the present invention is to provide a live transmission line network sealing trailer, aiming to solve the potential safety hazard of the counterweight being easy to fall off in the existing network sealing trailer.

[0005] To achieve the above object, the technical solution adopted by the present invention is: to provide a live transmission line network sealing trailer, comprising:

[0006] The trailer base has a telescopic support frame extending upward on the top;

[0007] A sealing plate, one end of which is fixed on the telescopic support frame, and the other end of which extends horizontally along a preset direction; the extending direction of the sealing plate is defined as a first direction;

[0008] A tensioning assembly, one end of which is fixed to the trailer base; in the first direction, the fixed end of the tensioning assembly and the sealing plate are arranged on both sides of the telescopic support frame; the other end of the tensioning assembly goes around the top of the telescopic support frame upwards and is connected to the extended end of the sealing plate; and

[0009] The diagonal brace assembly is arranged on the telescopic support frame and placed below the mesh sealing plate; one end of the diagonal brace assembly is supported on the bottom of the mesh sealing plate, and the other end abuts against the tensioning assembly.

[0010] In a possible implementation, the tensioning assembly includes:

[0011] A first tensioning wheel, arranged on the trailer base;

[0012] A second tensioning wheel is placed on the top of the telescopic support frame and is higher than the sealing plate; and

[0013] A tensioning cable, one end of which is fixed on the first tensioning wheel, and the other end of which is passed around the second tensioning wheel and fixed on the extended end of the sealing plate;

[0014] Wherein, the first tensioning wheel, the second tensioning wheel and the mesh sealing plate are arranged sequentially in the first direction.

[0015] In some embodiments, the tensioning assembly further comprises:

[0016] A first motor is disposed on the trailer base, and a power output end of the first motor is disposed toward the first tensioning wheel;

[0017] A first rotating shaft is provided on the first tensioning wheel in a direction perpendicular to the first direction, and one end of the first rotating shaft is connected to the power output end of the first motor;

[0018] Wherein, the first motor is used to drive the first tensioning wheel to rotate through the first rotating shaft to tension the tensioning cable.

[0019] Exemplarily, a limit member is provided at one end of the first rotating shaft away from the first motor, the limit member is fixed on the trailer base and connected to the first rotating shaft; the limit member is used to limit the first rotating shaft after the tensioning cable is tensioned.

[0020] In some embodiments, the limiting member includes:

[0021] A limit block, provided at an end of the first rotating shaft away from the first motor;

[0022] The first telescopic member is fixed on the trailer body; the telescopic end of the first telescopic member is arranged toward the first rotating shaft, and the telescopic end of the first telescopic member is provided with a limiting groove matched with the limiting block.

[0023] In a possible implementation, the diagonal brace assembly includes:

[0024] An oblique support rod, one end of which is supported at the bottom of the sealing mesh plate, and the other end of which extends to a side of the telescopic support frame away from the sealing mesh plate; the middle portion of the oblique support rod is recessed downward so that the oblique support rod forms a V-shaped structure; the V-shaped bottom of the oblique support rod is connected to the telescopic support frame;

[0025] The third tensioning wheel is arranged at the extended end of the diagonal support rod and abuts against the tensioning assembly.

[0026] In some embodiments, the diagonal brace assembly further comprises:

[0027] A fixing plate, arranged at one end of the diagonal support rod away from the sealing plate;

[0028] Two groups of extension plates are arranged at intervals along a direction perpendicular to the first direction; one end of the two groups of extension plates are fixed to the fixed plate, and two groups of extension plates are provided, and the other ends of the two groups of extension plates are horizontally extended along the first direction;

[0029] A connecting shaft is connected between the two extension plates along a direction perpendicular to the first direction, and the third tensioning wheel is provided on the connecting shaft.

[0030] Exemplarily, the diagonal brace assembly further includes:

[0031] A second rotating shaft is disposed on the telescopic support frame and is rotatably connected to the telescopic support frame; the second rotating shaft is fixedly connected to the V-shaped bottom of the diagonal support rod;

[0032] A second motor is disposed on the telescopic support frame, and a power output end of the second motor is connected to the second rotating shaft;

[0033] Wherein, the second motor is used to drive the diagonal support rod to rotate around the second rotation axis through the second rotation axis.

[0034] In a possible implementation, a horizontally extending connecting frame is provided on the telescopic support frame, and the connecting frame is placed above the diagonal support assembly; in the first direction, the sealing mesh plate is provided on one side of the connecting frame, and a fourth tensioning wheel is provided on the other side of the connecting frame; the tensioning assembly abuts against the fourth tensioning wheel.

[0035] In some embodiments, a second telescopic member is provided on the top of the telescopic support frame, and the telescopic end of the second telescopic member has the freedom to telescope in the vertical direction; wherein the tensioning assembly bypasses the telescopic end of the second telescopic member and is connected to the extended end of the sealing mesh plate.

[0036] Compared with the prior art, the solution shown in the embodiment of the present application can tighten the sealing mesh plate through the tensioning assembly after the sealing mesh plate is unfolded, and the tensioning assembly is passed around the top of the telescopic bracket and fixed on the trailer base to balance the torque on both sides of the telescopic support frame; in addition, in order to ensure the stability of the support for the sealing mesh plate, a diagonal brace assembly is also provided in the present application, which can be supported on the bottom of the sealing mesh plate, and at the same time, the other end of the diagonal brace assembly is abutted against the tensioning assembly to further tension the tensioning assembly to ensure stable support of the sealing mesh plate; in the present application, there is no need to configure additional counterweights to balance the torque, so as to ensure stable support of the sealing mesh plate, which can effectively reduce safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 A schematic diagram of the structure of a live transmission line sealing trailer provided by an embodiment of the present invention;

[0039] Figure 2 For attachment Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0040] Figure 3 For attachment Figure 1 Schematic diagram of the enlarged structure at point B in the middle.

[0041] In the figure:

[0042] 1. trailer base; 11. telescopic support frame; 12. connecting frame; 121. fourth tensioning wheel; 13. ring bracket; 14. second telescopic member;

[0043] 2. Sealing plate;

[0044] 3. tensioning assembly; 31. first tensioning wheel; 32. second tensioning wheel; 33. tensioning cable; 34. first motor; 35. first rotating shaft;

[0045] 4. diagonal brace assembly; 41. diagonal brace rod; 42. fixed plate; 43. extension plate; 44. connecting shaft; 45. third tensioning wheel; 46. second rotating shaft; 47. second motor;

[0046] 5. Limiting member; 51. Limiting block; 52. First telescopic member; 521. Limiting groove. DETAILED DESCRIPTION

[0047] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0048] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0049] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0050] For ease of understanding, this application uses the attached Figure 1 The direction indicated by the arrow C in the figure indicates the first direction, that is, the extending direction of the sealing plate 2.

[0051] Please also read Figures 1 to 3 , the live transmission line network sealing trailer provided by the present invention is now described. The live transmission line network sealing trailer comprises a trailer base 1, a network sealing plate 2, a tensioning assembly 3 and a diagonal bracing assembly 4; a telescopic support frame 11 extending upward is provided on the top of the trailer base 1; one end of the network sealing plate 2 is fixed on the telescopic support frame 11, and the other end extends horizontally along a preset direction; the extension direction of the network sealing plate 2 is defined as a first direction; one end of the tensioning assembly 3 is fixed on the trailer base 1; in the first direction, the fixed end of the tensioning assembly 3 and the network sealing plate 2 are respectively arranged on both sides of the telescopic support frame 11; the other end of the tensioning assembly 3 bypasses the top of the telescopic support frame 11 upward, and is connected to the extension end of the network sealing plate 2; the diagonal bracing assembly 4 is arranged on the telescopic support frame 11, and is placed below the network sealing plate 2; one end of the diagonal bracing assembly 4 is supported on the bottom of the network sealing plate 2, and the other end abuts against the tensioning assembly 3.

[0052] It should be noted that the trailer base 1 is used to be fixed at a preset position by an electro-hydraulic jack; wherein the telescopic support frame 11 is used to support the sealing mesh plate 2 and the diagonal brace assembly 4, and the telescopic support frame 11 can be extended in the vertical direction to make the sealing mesh plate 2 reach a preset height; specifically, the telescopic support frame 11 has a storage state of being stored at the top of the trailer base 1, and also has an extended state of being extended to a preset height, and the extended and storage states of the telescopic support frame 11 can be achieved by a driving mechanism; it should be noted that the specific structure and working principle of the telescopic support frame 11 and the trailer base 1 belong to the prior art and will not be repeated here.

[0053] In addition, it should be understood that the sealing mesh plate 2 is made of high-strength aluminum alloy and is in the form of a scissor-fork-type telescopic arm, and the extension of the sealing mesh plate 2 can be achieved by telescoping the sealing mesh plate 2; and the telescoping principle and the sealing principle of the sealing mesh plate 2 belong to the existing technology and will not be repeated here.

[0054] Specifically, two groups of the mesh sealing plates 2 are provided, and the two groups of mesh sealing plates 2 are spaced apart and arranged perpendicular to the first direction, and can be synchronously extended to a specified length to achieve the purpose of mesh sealing.

[0055] Furthermore, in order to balance the torque of the sealing mesh plate 2 and ensure the supporting stability of the top of the telescopic support frame 11 for the sealing mesh plate 2, two groups of diagonal support components 4 and two groups of tensioning components 3 are provided in the present application, and the two groups of diagonal support components 4 and the two groups of tensioning components 3 are spaced apart along a direction perpendicular to the first direction, thereby making it possible to balance the forces at the front and rear ends of the sealing mesh plate 2 in the direction perpendicular to the first direction.

[0056] It should be understood that, by setting up a tensioning assembly 3, and in a first direction, the fixed end of the tensioning assembly 3 and the sealing mesh plate 2 are arranged on both sides of the telescopic support frame 11, the tensioning assembly 3 can pull the sealing mesh plate 2 upward to reduce the force of the gravity on the side of the sealing mesh plate 2 on the connecting frame 12; and, by setting the fixed end of the tensioning assembly 3 on the trailer base 1, the tension on the tensioning assembly 3 can be balanced with the help of the force of the electro-hydraulic jack to achieve torque balance and improve stability.

[0057] Compared with the prior art, the live transmission line mesh sealing trailer provided by the present invention can tighten the mesh sealing plate 2 through the tensioning assembly 3 after the mesh sealing plate 2 is unfolded, and fix the tensioning assembly 3 on the trailer base 1 by passing it around the top of the telescopic support frame to balance the torque on both sides of the telescopic support frame 11; in addition, in order to ensure the stability of the support for the mesh sealing plate 2, a diagonal brace assembly 4 is also provided in the present application, which can be supported on the bottom of the mesh sealing plate 2, and at the same time, the other end of the diagonal brace assembly 4 is abutted against the tensioning assembly 3 to further tension the tensioning assembly 3 and ensure the stable support of the mesh sealing plate 2; in the present application, there is no need to configure additional counterweights to balance the torque, so as to ensure the stable support of the mesh sealing plate 2, which can effectively reduce safety hazards.

[0058] See also Figure 1 In some possible embodiments, the tensioning assembly 3 includes a first tensioning wheel 31, a second tensioning wheel 32 and a tensioning cable 33; the first tensioning wheel 31 is arranged on the trailer base 1; the second tensioning wheel 32 is placed on the top of the telescopic support frame 11 and is higher than the sealing net 2; one end of the tensioning cable 33 is fixed on the first tensioning wheel, and the other end passes around the second tensioning wheel 32 and is fixed on the extended end of the sealing net 2; wherein the first tensioning wheel 31, the second tensioning wheel 32 and the sealing net 2 are arranged sequentially in the first direction.

[0059] The first tensioning wheel 31, the second tensioning wheel 32 and the mesh closing plate 2 are arranged sequentially in the first direction to ensure that the tensioning cable 33 is subjected to force in the same plane, thereby avoiding the mesh closing plate 2 from being offset due to the offset of the setting positions of the first tensioning wheel 31 and the second tensioning wheel 32, thereby affecting the mesh closing effect of the mesh closing plate 2.

[0060] The first tensioning wheel 31 is provided so that the tensioning cable 33 can be fixed on the trailer base 1 by means of the first tensioning wheel 31 , and the tensioning cable 33 can be tightened and loosened by rotating the first tensioning wheel 31 .

[0061] By providing the second tensioning wheel 32 , the direction of the tensioning cable 33 can be changed at the top of the telescopic support frame 11 , so that the tensioning cable 33 can bypass the second tensioning wheel 32 and be fixed on the sealing plate 2 .

[0062] Optionally, the tensioning cable 33 includes a first connecting section and a second connecting section, one end of the first connecting section is fixed on the first tensioning wheel, and the other end passes around the second tensioning wheel 32 and extends toward the sealing plate 2; the second connecting section is correspondingly connected to the first connecting section.

[0063] Specifically, the second connecting section includes multiple sub-cables, and one end of each sub-cable is fixed to the extended end of the first connecting section, and the other end is respectively connected to different positions of the sealing mesh plate 2. Preferably, the connection points of the multiple sub-cables and the sealing mesh plate 2 are equally spaced in the first direction.

[0064] See also Figure 3 In some embodiments, the tensioning assembly 3 also includes a first motor 34 and a first rotating shaft 35; the first motor 34 is arranged on the trailer base 1, and the power output end of the first motor 34 is arranged toward the first tensioning wheel 31; the first rotating shaft 35 is penetrated on the first tensioning wheel 31 along a direction perpendicular to the first direction, and one end of the first rotating shaft 35 is power-connected to the power output end of the first motor 34; wherein the first motor 34 is used to drive the first tensioning wheel 31 to rotate through the first rotating shaft 35 to tension the tensioning cable 33.

[0065] In the present application, the first motor 34 is driven to drive the first rotating shaft 35 to rotate, and the first rotating shaft 35 drives the first tensioning wheel 31 to rotate, so that the tensioning cable 33 is wound around the first tensioning wheel 31, or the tensioning cable 33 is loosened.

[0066] Specifically, a mounting plate is provided on the trailer base 1, the first motor 34 is fixed on the mounting plate, and the power output end is connected to the first rotating shaft 35, which can drive the first rotating shaft 35 to rotate and drive the first tensioning wheel 31 to rotate accordingly.

[0067] See also Figure 3Exemplarily, a limit member 5 is provided at one end of the first rotating shaft 35 away from the first motor 34, the limit member 5 is fixed on the trailer base 1, and is connected to the first rotating shaft 35; the limit member 5 is used to limit the first rotating shaft 35 after the tension cable 33 is tensioned.

[0068] By providing the limiting member 5 , after the tensioning cable 33 is tensioned, the first rotating shaft 35 is fixed by the limiting member 5 to prevent the first rotating shaft 35 from driving the first tensioning wheel 31 to rotate.

[0069] Specifically, the limiting member 5 has a limiting state and a relaxing state. When the limiting member 5 is connected to the first rotating shaft 35 , the limiting member 5 is in the limiting state. When the limiting member 5 is away from the first rotating shaft 35 , the limiting member 5 is in the relaxing state.

[0070] See also Figure 3 In some embodiments, the limiting member 5 includes a limiting block 51 and a first telescopic member 52; the limiting block 51 is arranged at one end of the first rotating shaft 35 away from the first motor 34; the first telescopic member 52 is fixed on the trailer body; the telescopic end of the first telescopic member 52 is arranged toward the first rotating shaft 35, and the telescopic end of the first telescopic member 52 is provided with a limiting groove 521 adapted to the limiting block 51.

[0071] When the tensioning cable 33 is tensioned, the first telescopic member 52 is away from the first rotating shaft 35, that is, the telescopic end of the first limiting member 5 is away from the above-mentioned limiting block 51, and the limiting member 5 is in a relaxed state; after the tensioning cable 33 is tensioned, the telescopic end of the first telescopic member 52 is extended, and the limiting groove 521 is engaged with the limiting block 51 accordingly, thereby realizing the limitation of the first rotating shaft 35.

[0072] Optionally, the limiting block 51 is a protrusion with a cross-shaped structure, and the limiting groove 521 is a cross-shaped structure that matches the shape of the limiting block 51 .

[0073] Optionally, the limit block 51 is a plurality of first limit strips spaced apart around the first rotating shaft 35 , and the telescopic end of the first telescopic member 52 is provided with a plurality of mounting grooves meshing with the first limit teeth, and the plurality of mounting grooves form a limit groove 521 to achieve the limitation of the first rotating shaft 35 .

[0074] See also Figure 1 In some possible embodiments, the diagonal support assembly 4 includes a diagonal support rod 41 and a third tensioning wheel 45; one end of the diagonal support rod 41 is supported on the bottom of the sealing mesh plate 2, and the other end extends to the side of the telescopic support frame 11 away from the sealing mesh plate 2; the middle part of the diagonal support rod 41 is recessed downward so that the diagonal support rod 41 forms a V-shaped structure; the V-shaped bottom of the diagonal support rod 41 is connected to the telescopic support frame 11; the third tensioning wheel 45 is arranged at the extending end of the diagonal support rod 41 and abuts against the tensioning assembly 3.

[0075] The diagonal support rod 41 is V-shaped, with a downward depression in the middle, and is connected to the telescopic support frame 11; both ends of the diagonal support rod 41 are inclined upward, and the inclination angle can be set according to actual needs.

[0076] By setting up the diagonal support rod 41, the support for the bottom of the sealing mesh plate 2 is achieved; in the present application, the tensioning cable 33 tightens the top of the sealing mesh plate 2, and the diagonal support rod 41 is supported on the bottom of the sealing mesh plate 2, thereby achieving the upper and lower support of the sealing mesh plate 2 and improving the support stability of the sealing mesh plate 2.

[0077] In addition, a third tensioning wheel 45 is provided at the other end of the diagonal support rod 41. Specifically, the third tensioning wheel 45 abuts against the upper cable and can tension the middle part of the tensioning cable 33 to ensure the tension of the tensioning cable 33 on the top of the sealing mesh plate 2, thereby improving the supporting stability of the sealing mesh plate 2.

[0078] See also Figure 2 In some embodiments, the diagonal support assembly 4 also includes a fixed plate 42, two groups of extension plates and a connecting shaft 44; the fixed plate 42 is arranged at one end of the diagonal support rod 41 away from the sealing mesh plate 2; the two groups of extension plates 43 are arranged at intervals perpendicular to the first direction; one end of the two groups of extension plates 43 are fixed on the fixed plate 42, and two groups of extension plates 43 are provided, and the other ends are extended horizontally along the first direction; the connecting shaft 44 is connected between the two extension plates 43 along a direction perpendicular to the first direction, and a third tensioning wheel 45 is provided on the connecting shaft 44.

[0079] Specifically, the fixing plate 42 is arranged at the end of the diagonal support rod 41 in the vertical direction. By setting the fixing plate 42, it is convenient to connect the extension plate 43; by arranging two groups of extension plates 43 at intervals, the third tensioning wheel 45 can be conveniently arranged through the connecting shaft 44 to tension the tension cable 33.

[0080] Specifically, the connecting shaft 44 is rotatably connected to the two groups of extension plates 43 to reduce wear on the tensioning cable 33 through the rotation of the connecting shaft 44 and the third tensioning wheel 45 when the third tensioning wheel 45 tensions the tensioning cable 33 .

[0081] See also Figure 2 Exemplarily, the diagonal support assembly 4 also includes a second rotating shaft 46 and a second motor 47; the second rotating shaft 46 is passed through the telescopic support frame 11 and is rotatably connected to the telescopic support frame 11; the second rotating shaft 46 is fixedly connected to the V-shaped bottom of the diagonal support rod 41; the second motor 47 is arranged on the telescopic support frame 11, and the power output end of the second motor 47 is power-connected to the second rotating shaft 46; wherein the second motor 47 is used to drive the diagonal support rod 41 to rotate around the second rotating shaft 46 through the second rotating shaft 46.

[0082] By setting up a second motor 47, the second motor 47 can drive the second rotating shaft 46 to rotate; since the second rotating shaft 46 is fixedly connected to the V-shaped bottom of the diagonal support rod 41, the second rotating shaft 46 can drive the diagonal support rod 41 to rotate around the second rotating shaft 46, so that one end of the diagonal support rod 41 lifts the sealing mesh plate 2 upward, and the other end tensions the tension cable 33, thereby simultaneously realizing the upward and downward supporting effects of the sealing mesh plate 2, thereby improving the stable support of the sealing mesh plate 2.

[0083] Specifically, a ring bracket 13 is provided on the telescopic support frame 11, and the second motor 47 is fixed on the ring bracket 13 through a mounting plate.

[0084] When the diagonal brace assembly 4 is provided with two or more groups, the synchronous rotation of the two diagonal brace rods 41 can be achieved through a group of second rotating shafts 46 and a group of second motors 47. Specifically, the second rotating shaft 46 is connected to the two groups of diagonal brace rods 41 respectively, the second motor 47 is provided at one end of the second rotating shaft 46, and the power output end of the second motor 47 is connected to the second rotating shaft 46.

[0085] Exemplarily, in order to realize the rotation of the diagonal strut rod 41, a mounting shaft can also be set on the telescopic support frame 11, and the V-shaped bottom of the diagonal strut rod 41 can be rotatably connected to the mounting shaft; further, a limiting bolt arranged along a direction perpendicular to the first direction is also provided at the V-shaped bottom of the diagonal strut rod 41. After the diagonal strut rod 41 is rotated into place, the limiting bolt is passed through the diagonal strut rod 41 and is screwed and fixed in the corresponding mounting shaft to realize the limitation of the diagonal strut rod 41.

[0086] See also Figure 1 In some possible embodiments, a horizontally extending connecting frame 12 is provided on the telescopic support frame 11, and the connecting frame 12 is placed above the diagonal support assembly 4; in the first direction, a sealing mesh plate 2 is provided on one side of the connecting frame 12, and a fourth tensioning wheel 121 is provided on the other side of the connecting frame 12; the tensioning assembly 3 is in contact with the fourth tensioning wheel 121.

[0087] By setting up the connecting frame 12, it is convenient to fix the sealing mesh plate 2 through the connecting frame 12; and by setting up the connecting frame 12, it is convenient to set the fourth tensioning wheel 121 on the other side of the connecting frame 12 to increase the support tensioning point of the tensioning cable 33 and ensure the tensioning force of the tensioning cable 33.

[0088] See also Figure 1 In some embodiments, a second telescopic member 14 is provided on the top of the telescopic support frame 11, and the telescopic end of the second telescopic member 14 has the freedom to telescope in the vertical direction; wherein the tensioning assembly 3 bypasses the telescopic end of the second telescopic member 14 and is connected to the extension end of the sealing mesh plate 2.

[0089] Specifically, the second tensioning wheel 32 is disposed at the telescopic end of the second telescopic member 14 .

[0090] By providing the second telescopic member 14 , the second tensioning wheel 32 can be lifted and lowered by the telescopic effect of the second telescopic member 14 , thereby changing the tensioning angle of the tensioning cable 33 at the top, so as to reduce the stress on the tensioning cable 33 and extend the service life of the tensioning cable 33 .

[0091] In addition, the first telescopic member 52 and the second telescopic member 14 used in the present application may be one or more of a hydraulic telescopic cylinder, an electric telescopic cylinder or an electric push rod, and the specific one may be selected according to actual needs.

[0092] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The live transmission line sealing trailer is characterized by: include: The trailer base has a telescopic support frame extending upward on the top; A sealing plate, one end of which is fixed on the telescopic support frame, and the other end of which extends horizontally along a preset direction; The extending direction of the sealing plate is defined as a first direction; A tensioning assembly, one end of which is fixed to the trailer base; in the first direction, the fixed end of the tensioning assembly and the sealing net plate are arranged on both sides of the telescopic support frame; the other end of the tensioning assembly goes around the top of the telescopic support frame upwards and is connected to the extended end of the sealing net plate; as well as The diagonal brace assembly is arranged on the telescopic support frame and placed below the mesh sealing plate; one end of the diagonal brace assembly is supported on the bottom of the mesh sealing plate, and the other end abuts against the tensioning assembly.

2. The live transmission line sealing trailer according to claim 1, characterized in that: The tensioning assembly comprises: A first tensioning wheel, arranged on the trailer base; A second tensioning wheel is placed on the top of the telescopic support frame and is higher than the sealing plate; and A tensioning cable, one end of which is fixed on the first tensioning wheel, and the other end of which is passed around the second tensioning wheel and fixed on the extended end of the sealing plate; Wherein, the first tensioning wheel, the second tensioning wheel and the mesh sealing plate are arranged sequentially in the first direction.

3. The live transmission line sealing trailer according to claim 2, characterized in that: The tensioning assembly also includes: A first motor is disposed on the trailer base, and a power output end of the first motor is disposed toward the first tensioning wheel; A first rotating shaft is provided on the first tensioning wheel in a direction perpendicular to the first direction, and one end of the first rotating shaft is connected to the power output end of the first motor; Wherein, the first motor is used to drive the first tensioning wheel to rotate through the first rotating shaft to tension the tensioning cable.

4. The live transmission line sealing trailer according to claim 3, characterized in that: A limiting member is provided at one end of the first rotating shaft away from the first motor, and the limiting member is fixed on the trailer base and connected to the first rotating shaft; the limiting member is used to limit the first rotating shaft after the tensioning cable is tensioned.

5. The live transmission line sealing trailer according to claim 4, characterized in that: The limiting member comprises: A limit block, provided at an end of the first rotating shaft away from the first motor; The first telescopic member is fixed on the trailer body; the telescopic end of the first telescopic member is arranged toward the first rotating shaft, and the telescopic end of the first telescopic member is provided with a limiting groove matched with the limiting block.

6. The live transmission line sealing trailer according to claim 1, characterized in that: The diagonal brace assembly comprises: An oblique support rod, one end of which is supported at the bottom of the sealing mesh plate, and the other end of which extends to a side of the telescopic support frame away from the sealing mesh plate; the middle portion of the oblique support rod is recessed downward so that the oblique support rod forms a V-shaped structure; the V-shaped bottom of the oblique support rod is connected to the telescopic support frame; The third tensioning wheel is arranged at the extended end of the diagonal support rod and abuts against the tensioning assembly.

7. The live transmission line sealing trailer according to claim 6, characterized in that: The diagonal brace assembly also includes: A fixing plate, arranged at one end of the diagonal support rod away from the sealing plate; Two groups of extension plates are arranged at intervals along a direction perpendicular to the first direction; one end of the two groups of extension plates are fixed to the fixed plate, and two groups of extension plates are provided, and the other ends of the two groups of extension plates are horizontally extended along the first direction; A connecting shaft is connected between the two extension plates along a direction perpendicular to the first direction, and the third tensioning wheel is provided on the connecting shaft.

8. The live transmission line sealing trailer according to claim 7, characterized in that: The diagonal brace assembly also includes: A second rotating shaft is disposed on the telescopic support frame and is rotatably connected to the telescopic support frame; the second rotating shaft is fixedly connected to the V-shaped bottom of the diagonal support rod; A second motor is disposed on the telescopic support frame, and a power output end of the second motor is connected to the second rotating shaft; Wherein, the second motor is used to drive the diagonal support rod to rotate around the second rotation axis through the second rotation axis.

9. The live transmission line sealing trailer according to claim 1, characterized in that: A horizontally extending connecting frame is provided on the telescopic support frame, and the connecting frame is placed above the diagonal support assembly; in the first direction, the sealing mesh plate is provided on one side of the connecting frame, and a fourth tensioning wheel is provided on the other side of the connecting frame; the tensioning assembly abuts against the fourth tensioning wheel.

10. The live transmission line sealing trailer according to claim 9, characterized in that: A second telescopic member is provided on the top of the telescopic support frame, and the telescopic end of the second telescopic member has the freedom to telescope in the vertical direction; wherein the tensioning assembly bypasses the telescopic end of the second telescopic member and is connected to the extended end of the sealing mesh plate.

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