Cable protection bridge

Abstract

The invention discloses a cable protection bridge, and relates to the field of cable bridges, and the cable protection bridge comprises a cable trench main body, a cable trench cover plate connected to the cable trench main body, and a fixed hood connected to the cable trench cover plate. According to the invention, the cables are arranged in an inclined manner by arranging the inclined structure with the adjustable inclination, and the covered cables at the bottom end are exposed, so that a user can observe and maintain the two rows of cables at the same time without changing the posture; therefore, the maintenance efficiency of the whole cable can be improved to a certain extent, and meanwhile, the inclined angles of the cables which are arranged in an inclined mode can be adjusted according to the number of the cables in the same row through the inclined adjusting structure, so that the cable bridge can adapt to different specifications in the using process, and the cable bridge is convenient to use. And different numbers of cables can be installed, so that the use applicability of the whole cable bridge can be greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of cable bridges, and in particular to a cable protection bridge. Background Art

[0002] The cable trench is an underground pipeline used for laying and replacing power or telecommunication cable facilities, and is also a protective structure for the laid cable facilities. There are generally multiple rows of cable trays in the cable trench, and the cable trays are used to support multiple rows of cables. The cable trays are generally in the form of angle brackets. The cable tray includes L-shaped brackets arranged in pairs, and each L-shaped bracket includes two connecting plates connected vertically and a support plate located between the two connecting plates. The support plate is a right-angled triangle plate, and the two right-angled sides of the support plate are respectively connected to the two connecting plates, and the hypotenuse of the support plate has a semicircular notch. The notches on the two support plates in each pair of L-shaped brackets are butted to form a cable installation space.

[0003] However, the existing cable trenches inevitably have a smaller trench width. When workers perform maintenance on the cables, they often need to squat or lie down to inspect the cables near the bottom of the trench due to the narrow area inside the trench. At the same time, when inspecting the cables near the bottom of the trench, the cables arranged inside need to have their heads further inserted to observe and maintain the cables, which will affect the cable maintenance efficiency to a certain extent.

[0004] Therefore, when the above-mentioned workers perform maintenance on the cables installed on the cable tray, the cable trench is narrow, so the workers need to take a special posture in the cable trench to inspect the cables inside the cable trench, which affects the cable maintenance efficiency to a certain extent. Summary of the invention

[0005] In order to overcome the problem that when maintaining cables on existing cable trays with narrow trench widths, workers need to spend extra time adjusting their positions to complete the observation and maintenance of the cables located on the inner side of the bottom, which will affect the work efficiency of the workers to a certain extent.

[0006] The technical scheme of the present invention is: a cable protection bridge, comprising a cable trench main body, a cable trench cover connected to the cable trench main body, a fixed hood connected to the cable trench cover, a bridge assembly connected to the cable trench main body, and a plurality of cable main bodies arranged inside the bridge assembly, and also comprising a dust collecting chamber opened between the cable trench main body and the bridge assembly, a rotating assembly connected to the bridge assembly, a bracket assembly connected to the rotating assembly, a dust blowing assembly connected to the rotating assembly, and an adjusting assembly connected to the dust blowing assembly, wherein the dust collecting chamber is used to store dust blown off by the dust blowing assembly, the rotating assembly is used to drive a surface composed of a plurality of cable main bodies to be arranged at an acute angle to a horizontal plane, the bracket assembly is used to clamp a plurality of cable main bodies, the dust blowing assembly is used to remove dust accumulated on the surfaces of a plurality of cable main bodies, and the adjusting assembly is used to drive the dust blowing assembly to spray air; The rotating assembly includes a connecting plate connected to the bridge assembly, a rotating plate assembly movably connected to the connecting plate, a bottom support assembly movably connected to the rotating plate assembly, a fixed block movably connected to the bottom support assembly, and a plurality of movable wheels movably connected to the fixed block. The rotating plate assembly is used to adjust the inclination of the surface formed by the plurality of cable bodies, the bottom support assembly is used to support the rotating plate assembly, and the plurality of movable wheels are used to assist the fixed block to move vertically.

[0007] Preferably, the rotating plate assembly comprises a rotating head movably connected to the connecting piece, a rotating plate connected to the rotating head, and a positioning frame connected to the rotating plate; The bottom support assembly includes a positioning rod movably connected to the positioning frame, a sliding wheel movably connected to the positioning rod, a telescopic strip movably connected to both sides of the sliding wheel, a telescopic sleeve movably connected to the telescopic strip, a limiting sleeve connected to the telescopic sleeve, and an auxiliary wheel movably connected to the positioning rod, and the limiting sleeve is movably connected to the fixed block.

[0008] Preferably, the bridge assembly includes a bridge fixing strip connected to the connecting piece, a bridge plate connected to the bridge fixing strip, a sloped surface opened on the bridge plate, and a plurality of dust guide plates connected to the bridge plate, the bridge plate is connected to the cable trench body, the dust guide plate is used to prevent dust from flowing back from the dust collecting chamber to the interior of the bridge plate, and the sloped surface is used to guide the dust falling from the cable body to be transported to the interior of the dust collecting chamber.

[0009] Preferably, the support assembly comprises a sliding frame connected to the rotating plate, a plurality of cable rack assemblies movably connected to the sliding frame, and a pressure assembly connected to the dust blowing assembly closest to the dust blowing assembly, wherein the cable rack assembly is used to position and clamp the cable, and the pressure assembly is used to apply pressure generated by the tilting of the plurality of cable rack assemblies to the dust blowing assembly; The pressure-applying assembly comprises a mounting plate connected to a connection back plate closest to the dust-blowing assembly and a bag-pressing plate connected to a connection rod closest to the dust-blowing assembly, wherein the bag-pressing plate is used to press the dust-blowing assembly.

[0010] Preferably, the cable rack assembly includes a first sliding head movably connected to the sliding rack, a sliding group connected to the first sliding head, a fixed rod sleeve connected to the sliding group, a connecting rod connected to the sliding group, a connecting back plate movably connected to the connecting rod, a plurality of second sliding heads connected to the connecting back plate, a fixed spring connected to the connecting back plate, a second clamping pad connected to the sliding group, and a first clamping pad connected to the connecting back plate, the second sliding head is movably connected to the sliding rack, the connecting rod and the fixed rod sleeve are arranged in a one-to-one correspondence, and the fixed spring is used to relieve the pressure applied to the connecting back plate by the sliding group.

[0011] Preferably, the dust blowing assembly includes a bracket assembly connected to the rotating plate, an airbag assembly connected to the bracket assembly, and an air pipe assembly connected to the airbag assembly, the bracket assembly is used to support the airbag assembly and the air pipe assembly, the airbag assembly is used to store the air delivered by the air pipe assembly, and the air pipe assembly is used to drive part of the external fresh air delivered by the fixed wind hood into the airbag assembly.

[0012] Preferably, the bracket assembly comprises a baffle bar connected to the rotating plate and a combination frame connected to the baffle bar; The airbag assembly comprises an airbag frame connected to the assembly frame, a fixed airbag connected to the airbag frame, and a plurality of injection heads connected to the fixed airbag, wherein the injection heads are used for injecting air stored in the fixed airbag.

[0013] Preferably, the trachea assembly includes a first trachea connected to a fixed airbag, a first three-way connector connected to the first trachea, a second trachea connected to the first three-way connector, a second trachea connected to the second trachea, and a third trachea connected to the second three-way connector. The first trachea is connected to the second trachea via the first three-way connector, and the second trachea is connected to the third trachea via the second three-way connector.

[0014] Preferably, the adjustment assembly includes a sealing slide connected to the combination frame, a sealing plate movably connected to the sealing slide, and a transmission assembly connected to the sealing plate, the transmission assembly is used to drive the sealing plate to move along the sealing slide, the sealing plate is used to control the opening and closing of the injection head outlet, and the sealing slide is used to drive the sealing plate to move back and forth only vertically.

[0015] Preferably, the transmission assembly includes a second adjusting strip connected to the sealing plate, a second meshing rack connected to the second adjusting strip, an adjusting sleeve movably connected to the second adjusting strip, an abutment block connected to the adjusting sleeve, an abutment ring movably connected to the abutment block, a first adjusting strip movably connected to the adjusting sleeve, and a first meshing rack connected to the first adjusting strip, the first adjusting strip being connected to the mounting plate, the widths of the second meshing rack and the first meshing rack being set to be half of the width of the abutment ring, the abutment ring being set to mesh with the second meshing rack and the first meshing rack respectively, and the abutment ring being used to drive the first adjusting strip and the second adjusting strip to move along the adjusting sleeve.

[0016] Beneficial effects of the present invention: 1. On the basis of conventional cable trays, the cable support structure is modified, and the cables are arranged obliquely by setting an inclined structure with adjustable inclination, and the covered cables at the bottom are exposed, so that the user can observe and maintain two rows of cables at the same time without changing posture, thereby improving the maintenance efficiency of the entire cable to a certain extent. At the same time, through the oblique adjustment structure, the inclination angle of the obliquely arranged cables can be adjusted according to the number of cables in the same row, so that the cable tray can adapt to the installation of cables of different specifications and different numbers during use, thereby greatly improving the applicability of the entire cable tray; 2. The cables arranged in an inclined manner may have the cables at the top squeeze the cables at the bottom according to the number of cables, so that adjacent cables may rub against each other, which may affect the service life of the cables after long-term use. By arranging a bracket assembly on the rotating assembly, multiple cables can be arranged separately through the bracket assembly, and a spring structure for buffering is arranged between two adjacent cables, so that the cables can be buffered when arranged in an inclined manner, so that the pressure can be relieved without excessively crushing the surface of the cables, thereby greatly improving the service life of the cables; 3. Although it is convenient for staff to observe the obliquely arranged cables during use, the surface formed by the relative cables is further expanded, which will cause the dust accumulation on the cable surface to further expand. A dust blowing assembly connected to the fixed hood is provided, and the air delivered by the fixed hood is partially intercepted through the third air pipe on the dust blowing assembly to deliver it into the fixed air bag. The force generated by the downward pressure of the cable due to the oblique arrangement is converted into pressure on the air bag, so that the air bag can intermittently remove dust from the cable. At the same time, the slope surface of the bridge plate is used to guide the blown dust so that it can enter the dust collecting chamber, and the dust guide plate provided at the top of the dust collecting chamber is used to prevent dust from flowing back, so as to reduce the workload of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the cable protection bridge of the present invention; Figure 2 The first stereoscopic structure schematic diagram of the partial cross-section of the cable protection bridge of the present invention is shown; Figure 3 The second stereoscopic structure schematic diagram of the partial cross-section of the cable protection bridge of the present invention is shown; Figure 4 Shown is a first three-dimensional structural schematic diagram of the dust blowing assembly of the cable protection bridge of the present invention; Figure 5 The first three-dimensional structure schematic diagram of the rotating assembly of the cable protection bridge of the present invention is shown; Figure 6 The second stereoscopic structure schematic diagram of the rotating assembly of the cable protection bridge of the present invention is shown; Figure 7 The third stereoscopic structure schematic diagram of the rotating assembly of the cable protection bridge of the present invention is shown; Figure 8 The fourth three-dimensional structure schematic diagram of the rotating assembly of the cable protection bridge of the present invention is shown; Fig. 9 What is shown is a first three-dimensional structural schematic diagram of a bracket assembly of a cable protection bridge of the present invention; Fig.10 Shown is a second three-dimensional structural schematic diagram of the bracket assembly of the cable protection bridge of the present invention; Fig.11 Shown is a third three-dimensional structural schematic diagram of the bracket assembly of the cable protection bridge of the present invention; Fig.12 Shown is a schematic diagram of the three-dimensional structure of the adjustment component of the cable protection bridge of the present invention; Fig.13 Shown is a second three-dimensional structural schematic diagram of the dust blowing assembly of the cable protection bridge of the present invention; Fig.14 Shown is a partial enlarged view of point A of the cable protection bridge of the present invention.

[0018] 1. Cable trench body; 2. Cable trench cover; 3. Fixed hood; 4. Bridge assembly; 5. Dust collecting chamber; 6. Rotating assembly; 7. Bracket assembly; 8. Cable body; 9. Adjusting assembly; 10. Dust blowing assembly; 401. Bridge plate; 402. Slope surface; 403. Dust guide plate; 404. Bridge fixing strip; 601. Connecting piece; 602. Rotating head; 603. Rotating plate; 604. Positioning frame; 605. Positioning rod; 606. Sliding wheel; 607. Auxiliary wheel; 608. Telescopic strip; 609. Telescopic sleeve; 610. Limiting sleeve; 611. Fixed block; 612. Moving wheel; 701. Sliding frame; 702. Sliding group; 703. First sliding head; 704. Fixed rod sleeve; 705. Connecting piece Connecting rod; 706, fixing spring; 707, connecting back plate; 708, second sliding head; 709, first clamping pad; 710, second clamping pad; 711, pressure bag plate; 712, mounting plate; 901, adjusting sleeve; 902, first adjusting strip; 903, first meshing rack; 904, abutment block; 905, abutment ring; 906, second meshing rack; 907, second adjusting strip; 908, sealing plate; 909, sealing slide; 1001, baffle strip; 1002, assembly frame; 1003, air bag frame; 1004, fixed air bag; 1005, first air pipe; 1006, first three-way head; 1007, second air pipe; 1008, second three-way head; 1009, third air pipe; 1010, injection head. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] A cable protection bridge, according to Figure 1-Figure 14 As shown, it includes a cable trench body 1, a cable trench cover 2 connected to the cable trench body 1, a fixed hood 3 connected to the cable trench cover 2, a bridge assembly 4 connected to the cable trench body 1, and a plurality of cable bodies 8 arranged inside the bridge assembly 4, and also includes a dust collecting chamber 5 opened between the cable trench body 1 and the bridge assembly 4, a rotating assembly 6 connected to the bridge assembly 4, a bracket assembly 7 connected to the rotating assembly 6, a dust blowing assembly 10 connected to the rotating assembly 6, and an adjustment assembly 9 connected to the dust blowing assembly 10, the dust collecting chamber 5 is used to store dust blown off by the dust blowing assembly 10, the rotating assembly 6 is used to drive the surface composed of a plurality of cable bodies 8 to be arranged at an acute angle to the horizontal plane, the bracket assembly 7 is used to clamp a plurality of cable bodies 8, the dust blowing assembly 10 is used to remove dust accumulated on the surface of a plurality of cable bodies 8, and the adjustment assembly 9 is used to drive the dust blowing assembly 10 to spray air; The rotating assembly 6 includes a connecting plate 601 connected to the bridge assembly 4, a rotating plate assembly movably connected to the connecting plate 601, a bottom support assembly movably connected to the rotating plate assembly, a fixed block 611 movably connected to the bottom support assembly, and a plurality of movable wheels 612 movably connected to the fixed block 611. The rotating plate assembly is used to adjust the inclination of the surface formed by the plurality of cable bodies 8, the bottom support assembly is used to support the rotating plate assembly, and the plurality of movable wheels 612 are used to assist the fixed block 611 to move vertically.

[0021] It should be noted that, due to the interconnected cable trench body 1 and cable trench cover 2, the temperature of the space inside the cable trench cover 2 will be higher than the room temperature, so that the cable body 8 inside the cable trench cover 2 will be affected by the high temperature, resulting in the presence of hot and humid gas inside the cable trench. The fixed wind hood 3 can discharge the hot and humid gas inside the cable trench through the heat convection formed by natural wind power and the temperature difference between the inside and the outside.

[0022] according to Figure 5-Figure 8 As shown, the rotating plate assembly includes a rotating head 602 movably connected to a connecting piece 601, a rotating plate 603 connected to the rotating head 602, and a positioning frame 604 connected to the rotating plate 603; The bottom support assembly includes a positioning rod 605 movably connected to the positioning frame 604, a sliding wheel 606 movably connected to the positioning rod 605, an extension bar 608 movably connected to both sides of the sliding wheel 606, an extension sleeve 609 movably connected to the extension bar 608, a limiting sleeve 610 connected to the extension sleeve 609, and an auxiliary wheel 607 movably connected to the positioning rod 605, and the limiting sleeve 610 is movably connected to the fixed block 611.

[0023] It should be noted that, by rotating the rotating plate 603, the rotating head 602 can rotate on the connecting piece 601, and by adjusting the distance between the telescopic strip 608 and the telescopic sleeve 609, the sliding wheel 606 can slide on the rotating plate 603, and the positioning rod 605 can be moved inside the positioning frame 604, so that the positioning rod 605 is positioned on the positioning frame 604 by the nut set on the positioning rod 605, so that the cable body 8 arranged obliquely can adjust the inclination angle of the cable body 8 according to the number of cable bodies 8 in the same row, so that the cable tray can adapt to different specifications and different numbers of cables for installation during use, thereby greatly improving the applicability of the entire cable tray.

[0024] according to Figure 2-Figure 3As shown, the bridge assembly 4 includes a bridge fixing strip 404 connected to the connecting piece 601, a bridge plate 401 connected to the bridge fixing strip 404, a slope surface 402 opened on the bridge plate 401, and a plurality of dust guide plates 403 connected to the bridge plate 401. The bridge plate 401 is connected to the cable trench body 1. The dust guide plate 403 is used to prevent dust from flowing back from the dust collecting chamber 5 to the inside of the bridge plate 401. The slope surface 402 is used to guide the dust falling from the cable body 8 to be transported to the inside of the dust collecting chamber 5.

[0025] It should be noted that the slope surface 402 of the bridge plate 401 is used to guide the blown dust so that it can enter the interior of the dust collecting chamber 5, and the dust guide plate 403 arranged at the top of the dust collecting chamber 5 is used to prevent the dust from flowing back to the inner side of the bridge plate 401.

[0026] according to Fig. 9 and Fig.11 As shown, the support assembly 7 includes a sliding frame 701 connected to the rotating plate 603, a plurality of cable rack assemblies movably connected to the sliding frame 701, and a pressure assembly connected to the dust blowing assembly 10 closest to the dust blowing assembly 10, the cable rack assembly is used to position and clamp the cable, and the pressure assembly is used to apply the pressure generated by the tilt of the plurality of cable rack assemblies to the dust blowing assembly 10; The pressure-applying assembly includes a mounting plate 712 connected to the connecting back plate 707 closest to the dust-blowing assembly 10 and a pressure-bag plate 711 connected to the connecting rod 705 closest to the dust-blowing assembly 10 . The pressure-bag plate 711 is used to press the dust-blowing assembly 10 .

[0027] according to Figure 9-10 As shown, the cable rack assembly includes a first sliding head 703 movably connected to a sliding rack 701, a sliding group 702 connected to the first sliding head 703, a fixed rod sleeve 704 connected to the sliding group 702, a connecting rod 705 connected to the sliding group 702, a connecting back plate 707 movably connected to the connecting rod 705, a plurality of second sliding heads 708 connected to the connecting back plate 707, a fixing spring 706 connected to the connecting back plate 707, a second clamping pad 710 connected to the sliding group 702, and a first clamping pad 709 connected to the connecting back plate 707, the second sliding head 708 is movably connected to the sliding rack 701, the connecting rod 705 and the fixed rod sleeve 704 are arranged one by one, and the fixing spring 706 is used to relieve the pressure applied to the connecting back plate 707 by the sliding group 702.

[0028] It should be noted that the second clamping pad 710 and the first clamping pad 709 are used to clamp the cable body 8, and to separate and arrange several cables through multiple cable rack assemblies so that there will be no mutual friction between adjacent cables, and a fixed spring 706 for buffering is arranged between two adjacent cable bodies 8, so that the cable body 8 can be buffered when it is arranged at an angle, so that the pressure can be relieved without excessively crushing the surface of the cable body 8, thereby greatly improving the service life of the cable.

[0029] according to Figure 4 As shown, the dust blowing assembly 10 includes a bracket assembly connected to the rotating plate 603, an airbag assembly connected to the bracket assembly, and an air pipe assembly connected to the airbag assembly. The bracket assembly is used to support the airbag assembly and the air pipe assembly, the airbag assembly is used to store the air delivered by the air pipe assembly, and the air pipe assembly is used to drive part of the external fresh air delivered by the fixed wind hood 3 into the airbag assembly.

[0030] according to Figure 12-13 As shown, the bracket assembly includes a barrier strip 1001 connected to the rotating plate 603 and a combination frame 1002 connected to the barrier strip 1001; The airbag assembly includes an airbag frame 1003 connected to the assembly frame 1002 , a fixed airbag 1004 connected to the airbag frame 1003 , and a plurality of injection heads 1010 connected to the fixed airbag 1004 . The injection heads 1010 are used to inject air stored in the fixed airbag 1004 .

[0031] It should be noted that, by arranging a plurality of spray heads 1010 on the fixed airbag 1004 , when the fixed airbag 1004 is squeezed, the air stored inside the fixed airbag 1004 can be sprayed onto the surface of the cable body 8 through the spray heads 1010 , so as to remove dust from the surface of the cable body 8 .

[0032] according to Figure 4 and Fig.12 As shown, the air pipe assembly includes a first air pipe 1005 connected to the fixed air bag 1004, a first three-way connector 1006 connected to the first air pipe 1005, a second air pipe 1007 connected to the first three-way connector 1006, a second three-way connector 1008 connected to the second air pipe 1007, and a third air pipe 1009 connected to the second three-way connector 1008. The first air pipe 1005 is connected to the second air pipe 1007 via the first three-way connector 1006, the second air pipe 1007 is connected to the third air pipe 1009 via the second three-way connector 1008, and the third air pipe 1009 is connected to the fixed wind hood 3.

[0033] It should be noted that the air delivered by the fixed hood 3 is partially intercepted through the third air pipe 1009 connected to the fixed hood 3 and sent into the fixed air bag 1004, so that the fixed air bag 1004 can intermittently remove dust from the cable.

[0034] according to Fig.12 As shown, the adjustment assembly 9 includes a sealing slide 909 connected to the combination frame 1002, a sealing plate 908 movably connected to the sealing slide 909, and a transmission assembly connected to the sealing plate 908, the transmission assembly is used to drive the sealing plate 908 to move along the sealing slide 909, the sealing plate 908 is used to control the opening and closing of the outlet of the injection head 1010, and the sealing slide 909 is used to drive the sealing plate 908 to move back and forth only in the vertical direction.

[0035] according to Fig.12 and Fig.14 As shown, the transmission assembly includes a second adjustment bar 907 connected to the sealing plate 908, a second meshing rack 906 connected to the second adjustment bar 907, an adjustment sleeve 901 movably connected to the second adjustment bar 907, an abutment block 904 connected to the adjustment sleeve 901, an abutment ring 905 movably connected to the abutment block 904, a first adjustment bar 902 movably connected to the adjustment sleeve 901, and a first meshing rack 903 connected to the first adjustment bar 902, the first adjustment bar 902 is connected to the mounting plate 712, the width of the second meshing rack 906 and the first meshing rack 903 are both set to be half of the width of the abutment ring 905, the abutment ring 905 is set to mesh with the second meshing rack 906 and the first meshing rack 903 respectively, and the abutment ring 905 is used to drive the first adjustment bar 902 and the second adjustment bar 907 to move along the adjustment sleeve 901.

[0036] It should be noted that, under the action of gravity, the plurality of cable bodies 8 and the plurality of bracket assemblies 7 will apply a force to the first adjustment strip 902, so that the first adjustment strip 902 can move along the adjustment sleeve 901, and the moving adjustment sleeve 901 will drive the abutment ring 905 to rotate against the abutment block 904, and drive the second meshing rack 906 meshed therewith to move through the rotating abutment block 904, and the moving second meshing rack 906 will drive the second adjustment strip 907 fixed thereto to move along the adjustment sleeve 901, so that the sealing plate 908 fixed to the second adjustment strip 907 can slide inside the sealing slide 909, so that the sealing plate 90 8 is separated from the spray head 1010, and the fixed air bag 1004 is squeezed at the same time, and the air inside the fixed air bag 1004 is sprayed onto the surface of the cable body 8 through the spray head 1010 to achieve dust removal on the surface of the cable body 8. At the same time, when the fixed wind hood 3 continues to exchange air with the outside world, the fixed air bag 1004 will expand, and through the expansion, the pressure bag plate 711 is reversely squeezed, so that the pressure bag plate 711 pushes the mounting plate 712 to move, and the reverse movement of the mounting plate 712 drives the sealing plate 908 to slide reversely in the sealing slide 909, so that the sealing plate 908 re-seals the fixed air bag 1004 to achieve the next dust removal work.

[0037] The entire process can achieve expansion of the display area by arranging several cable bodies 8 obliquely, and interacting the pressure exerted by the obliquely arranged cable bodies 8 with the air introduced by the fixed wind hood 3, thereby achieving dust removal on the surface of the cable body 8, thereby reducing the workload of the staff when maintaining the cables.

[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A cable protection bridge, comprising a cable trench body (1), a cable trench cover (2) connected to the cable trench body (1), a fixed hood (3) connected to the cable trench cover (2), a bridge assembly (4) connected to the cable trench body (1), and a plurality of cable bodies (8) arranged inside the bridge assembly (4), characterized in that: It also comprises a dust collecting chamber (5) provided between the cable duct body (1) and the bridge frame assembly (4), a rotating assembly (6) connected to the bridge frame assembly (4), a bracket assembly (7) connected to the rotating assembly (6), a dust blowing assembly (10) connected to the rotating assembly (6), and an adjusting assembly (9) connected to the dust blowing assembly (10), wherein the dust collecting chamber (5) is used to store dust blown off by the dust blowing assembly (10), the rotating assembly (6) is used to drive a surface formed by a plurality of cable bodies (8) to be arranged at an acute angle to a horizontal plane, the bracket assembly (7) is used to clamp a plurality of cable bodies (8), the dust blowing assembly (10) is used to remove dust accumulated on the surfaces of the plurality of cable bodies (8), and the adjusting assembly (9) is used to drive the dust blowing assembly (10) to spray air; The rotating assembly (6) comprises a connecting plate (601) connected to the bridge assembly (4), a rotating plate assembly movably connected to the connecting plate (601), a bottom support assembly movably connected to the rotating plate assembly, a fixed block (611) movably connected to the bottom support assembly, and a plurality of moving wheels (612) movably connected to the fixed block (611); the rotating plate assembly is used to adjust the inclination of a surface formed by the plurality of cable bodies (8); the bottom support assembly is used to support the rotating plate assembly; and the plurality of moving wheels (612) are used to assist the fixed block (611) in moving vertically.

2. A cable protection bridge according to claim 1, characterized in that: The rotating plate assembly comprises a rotating head (602) movably connected to the connecting plate (601), a rotating plate (603) connected to the rotating head (602), and a positioning frame (604) connected to the rotating plate (603); The bottom support assembly comprises a positioning rod (605) movably connected to the positioning frame (604), a sliding wheel (606) movably connected to the positioning rod (605), a telescopic strip (608) movably connected to both sides of the sliding wheel (606), a telescopic sleeve (609) movably connected to the telescopic strip (608), a limiting sleeve (610) connected to the telescopic sleeve (609), and an auxiliary wheel (607) movably connected to the positioning rod (605), wherein the limiting sleeve (610) is movably connected to a fixed block (611).

3. A cable protection bridge according to claim 1, characterized in that: The bridge assembly (4) comprises a bridge fixing strip (404) connected to a connecting piece (601), a bridge plate (401) connected to the bridge fixing strip (404), a sloped surface (402) provided on the bridge plate (401), and a plurality of dust guide plates (403) connected to the bridge plate (401); the bridge plate (401) is connected to a cable trench body (1); the dust guide plates (403) are used to prevent dust from flowing back from the dust collecting chamber (5) to the interior of the bridge plate (401); and the sloped surface (402) is used to guide dust falling from the cable body (8) to be transported to the interior of the dust collecting chamber (5).

4. A cable protection bridge according to claim 2, characterized in that: The support assembly (7) comprises a sliding frame (701) connected to the rotating plate (603), a plurality of cable rack assemblies movably connected to the sliding frame (701), and a pressure assembly connected to the dust blowing assembly (10) closest to the dust blowing assembly (10), wherein the cable rack assembly is used to position and clamp the cable, and the pressure assembly is used to apply pressure generated by the tilting of the plurality of cable rack assemblies to the dust blowing assembly (10); The pressure-applying assembly comprises a mounting plate (712) connected to a connecting back plate (707) closest to the dust-blowing assembly (10) and a pressure-bag plate (711) connected to a connecting rod (705) closest to the dust-blowing assembly (10); the pressure-bag plate (711) is used to press the dust-blowing assembly (10).

5. A cable protection bridge according to claim 4, characterized in that: The cable rack assembly comprises a first sliding head (703) movably connected to a sliding rack (701), a sliding group (702) connected to the first sliding head (703), a fixed rod sleeve (704) connected to the sliding group (702), a connecting rod (705) connected to the sliding group (702), a connecting back plate (707) movably connected to the connecting rod (705), a plurality of second sliding heads (708) connected to the connecting back plate (707), a fixed spring (706) connected to the connecting back plate (707), a second clamping pad strip (710) connected to the sliding group (702), and a first clamping pad strip (709) connected to the connecting back plate (707), wherein the second sliding head (708) is movably connected to the sliding rack (701), the connecting rod (705) and the fixed rod sleeve (704) are arranged in a one-to-one correspondence, and the fixed spring (706) is used to relieve the pressure applied by the sliding group (702) to the connecting back plate (707).

6. A cable protection bridge according to claim 2, characterized in that: The dust blowing assembly (10) comprises a bracket assembly connected to the rotating plate (603), an air bag assembly connected to the bracket assembly, and an air pipe assembly connected to the air bag assembly, the bracket assembly being used to support the air bag assembly and the air pipe assembly, the air bag assembly being used to store air transported by the air pipe assembly, and the air pipe assembly being used to drive part of the external fresh air transported by the fixed wind hood (3) into the air bag assembly.

7. A cable protection bridge according to claim 6, characterized in that: The bracket assembly comprises a baffle bar (1001) connected to the rotating plate (603) and a combination frame (1002) connected to the baffle bar (1001); The airbag assembly comprises an airbag frame (1003) connected to the assembly frame (1002), a fixed airbag (1004) connected to the airbag frame (1003), and a plurality of injection heads (1010) connected to the fixed airbag (1004), wherein the injection heads (1010) are used to inject air stored inside the fixed airbag (1004).

8. The cable protection bridge according to claim 6, characterized in that: The air tube assembly comprises a first air tube (1005) connected to a fixed air bag (1004), a first three-way connector (1006) connected to the first air tube (1005), a second air tube (1007) connected to the first three-way connector (1006), a second three-way connector (1008) connected to the second air tube (1007), and a third air tube (1009) connected to the second three-way connector (1008); the first air tube (1005) is connected to the second air tube (1007) via the first three-way connector (1006), and the second air tube (1007) is connected to the third air tube (1009) via the second three-way connector (1008).

9. The cable protection bridge according to claim 7, characterized in that: The regulating assembly (9) comprises a sealing slide (909) connected to the assembly frame (1002), a sealing plate (908) movably connected to the sealing slide (909), and a transmission assembly connected to the sealing plate (908), wherein the transmission assembly is used to drive the sealing plate (908) to move along the sealing slide (909), the sealing plate (908) is used to control the opening and closing of the outlet of the injection head (1010), and the sealing slide (909) is used to drive the sealing plate (908) to move back and forth in the vertical direction.

10. A cable protection bridge according to claim 9, characterized in that: The transmission assembly comprises a second adjustment bar (907) connected to the sealing plate (908), a second meshing rack (906) connected to the second adjustment bar (907), an adjustment sleeve (901) movably connected to the second adjustment bar (907), an abutment block (904) connected to the adjustment sleeve (901), an abutment ring (905) movably connected to the abutment block (904), a first adjustment bar (902) movably connected to the adjustment sleeve (901), and a first adjustment bar (902) movably connected to the first adjustment bar (902). A first meshing rack (903), the first adjustment strip (902) is connected to the mounting plate (712), the widths of the second meshing rack (906) and the first meshing rack (903) are both set to be half the width of the abutment ring (905), the abutment ring (905) is respectively set to mesh with the second meshing rack (906) and the first meshing rack (903), and the abutment ring (905) is used to drive the first adjustment strip (902) and the second adjustment strip (907) to move along the adjustment sleeve (901).

Images