Layered cable bridge combined by composite insulating material and static dissipation

Abstract

The invention relates to the technical field of cable bridges, discloses a composite insulating material and static dissipation combined layered cable bridge, and solves the problems that when an existing cable bridge is used, a cable can only be taken out or maintained by disassembling an upper cover, the operation is carried out from the upper part of the bridge, the height of high-altitude operation is increased, and the working efficiency is improved. The cable bridge comprises a bridge body, a bottom plate is arranged below the bridge body, a static dissipation layer made of a carbon fiber material is arranged on the inner wall of the bridge body, a composite insulation layer made of an electric porcelain material is arranged on the outer surface of the bridge body, and two protective shells are fixedly installed at the top of the bridge body. A rotating handle is arranged at the upper part of the bridge main body and is positioned between the two protective shells; when the cable bridge is used, a cable can be taken out from the lower portion or maintained, the operation height is reduced, the cable does not need to be lifted upwards when being taken out, potential safety hazards and the operation difficulty of operators are reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of cable bridges, and in particular relates to a layered cable bridge composed of a composite insulating material and an electrostatic dissipation device. Background Art

[0002] A layered cable tray that combines composite insulation material with static dissipation is a cable tray structure that combines a composite insulation material layer with a static dissipation layer. It is usually composed of straight sections of trays or ladders, as well as bends, accessories, supports, and hangers, forming a continuous rigid system. The composite insulation material layer can be installed on the entire bridge, inner walls, or key locations, providing electrical insulation, moisture resistance, and corrosion resistance to ensure safe cable operation. The static dissipation layer can be installed on the surface, inner lining, or interlayer, dissipating static electricity in a timely manner to prevent static electricity accumulation from causing spark discharges. This layered cable tray is suitable for industries with high requirements for electrical safety and static protection, such as electricity, chemical industry, construction installation, and rail transportation, and can effectively improve the reliability and safety of cable laying.

[0003] The existing patent (publication number: CN119482217B) is a cable tray connector and a cable tray assembly. The cable tray can quickly fix the cable tray main board and the connecting plate, which improves convenience; however, when using the cable tray, the cables can only be removed or maintained by removing the upper cover. Operating from the top of the cable tray increases the height of the aerial work and increases the safety hazard. In addition, the cable needs to be lifted upwards when it is removed, which increases the difficulty of operation for the operator and reduces work efficiency. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a layered cable tray composed of a composite insulating material and an electrostatic dissipation device, which effectively solves the problem that the existing cable tray in the above background technology can only be used to remove the cables or maintain the cables by removing the upper cover, and the operation from the top of the tray increases the height of the aerial work, and the cables need to be lifted upwards when being removed.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a layered cable bridge composed of a composite insulating material and an electrostatic dissipation material, comprising a bridge body, a bottom plate being provided below the bridge body, an inner wall of the bridge body being provided with an electrostatic dissipation layer made of a carbon fiber material, an outer surface of the bridge body being provided with a composite insulating layer made of an electrical porcelain material, two protective shells being fixedly installed on the top of the bridge body, a turning handle being provided on the upper part of the bridge body and between the two protective shells, transmission components being provided at both ends of the turning handle, two positioning holes being respectively provided on both sides of the bottom of the bridge body, and two fixing holes being respectively provided on both sides of the top of the bottom plate. Two positioning rods are installed, and the four positioning rods are inserted into the four positioning holes. Three upper clamps are provided in the middle of the interior of the bridge body, and three lower clamps are provided at the lower part of the three upper clamps. Support frames are fixedly installed between the two sides of the three lower clamps. The transmission assembly is connected to the three lower clamps and the three upper clamps. When the handle is rotated, power is output to the three lower clamps and the three upper clamps through the transmission assembly, so that the three lower clamps and the three upper clamps move downward and exit the outside of the bridge body, and the three upper clamps are moved away from the lower clamps to release the lock of the cable. A clamping groove is provided on the side where the three lower clamps and the three upper clamps are close to each other.

[0006] Preferably, the transmission assembly includes a shaft rod, which is fixedly mounted on the middle part of the handlebar, and the surface of the shaft rod is rotatably connected to the top of the bridge frame body through four shaft seats. Active bevel gears are fixedly mounted on both ends of the shaft rod, and the lower parts of the surfaces of the two active bevel gears are meshed and connected with driven bevel gears. A threaded sleeve is fixedly mounted on the middle part of the driven bevel gears, and the surfaces of the two threaded sleeves are rotatably connected to the top of the bridge frame body through a rotating sleeve.

[0007] Preferably, the internal thread of the threaded sleeve is connected to a threaded rod, the bottom end of the threaded rod is rotatably mounted with a rotating seat, and the lower parts of the two rotating seats are fixedly connected to the upper part of the base plate.

[0008] Preferably, three oblique bars are fixedly installed on the inner walls of both sides of the bridge frame body at equal distances, and the oblique bars are tightly attached to the rollers on the side close to the upper clamping bar, and the surfaces of the rollers are rotatably installed with connecting frames, and the ends of the connecting frames away from the rollers are fixedly installed with push plates, and sliding sleeves are fixedly installed at the two diagonals of the top of the bridge frame body, and sliding rods are inserted into the inside of the sliding sleeves, and the bottom ends of the two sliding rods are fixedly connected to the upper part of the bottom plate, and the upper end of one side of the oblique bar is fixedly installed with a limit block.

[0009] Preferably, a rectangular rod is fixedly installed on the side of the push plate away from the connecting frame, one end of the surface of the rectangular rod is sleeved with a rectangular sleeve, the top of the rectangular sleeve is fixedly connected to the inner top of the support frame through a fixed block, and the other end of the surface of the rectangular rod is sleeved with a first spring, and both ends of the first spring are respectively fixedly connected to the push plate and the rectangular sleeve.

[0010] Preferably, a pushing strip is fixedly mounted on one end of the rectangular rod away from the push plate, a contact strip is tightly attached between the lower parts of two adjacent pushing strips, and the bottoms of the three contact strips are fixedly connected to the middle parts of the tops of the three upper clamping strips respectively.

[0011] Preferably, two mounting grooves are respectively provided in the middle of the bottom of the three upper clamping strips, an insertion rod is fixedly installed on the inner top of the installation groove, a sleeve is sleeved in the middle of the surface of the insertion rod, and the surface of the sleeve is fixedly connected to the corresponding lower clamping strip.

[0012] Preferably, the upper end portion of the surface of the insertion rod is sleeved with a second spring, and both ends of the second spring are fixedly connected to the inner top of the corresponding installation groove and the upper portion of the lower clamping strip respectively.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) When in use, the operator rotates the handle to drive the shaft to rotate inside the four shaft seats. When the shaft rotates, the two active bevel gears drive the two driven bevel gears to rotate. When the two driven bevel gears rotate, the two threaded sleeves are driven to rotate inside the two rotating sleeves. When the two threaded sleeves rotate, the bottom plate is driven to move downward through the two threaded rods. When the bottom plate moves downward, the two sliding rods are driven to slide inside the two sliding sleeves, thereby increasing the stability of the bottom plate when it moves downward.

[0015] When the bottom plate moves downward, the four positioning rods will be pulled out of the four positioning holes and drive the three upper clamping strips to move downward to the outside of the bridge frame body through the three lower clamping strips. When the three upper clamping strips move downward, they all drive the rollers to move downward along the oblique strips. Since the oblique strips are all inclined with a width at the top and a narrowness at the bottom, when the three upper clamping strips move downward, they all push the corresponding push plates to move outward under the elastic force of the first spring. When the push plates move outward, they all drive the rectangular rods to slide outward along the inside of the rectangular sleeve. When the rectangular rods move outward, they all drive the pushing strips away from the contact strips, thereby releasing the squeezing of the three upper clamping strips, and then the three upper clamping strips are pushed upward under the elastic force of multiple second springs. When the upper clamping strips move upward, they all drive the insertion rods to slide along the inside of the insertion sleeve, thereby increasing the stability of the three upper clamping strips moving upward;

[0016] (2) When the three upper clamps move upward, the clamping limit on the cable will be released, and then the cables can be removed from the side one by one, so that the cables can be quickly removed or maintained; this allows the cable tray to be taken out from the bottom or maintained when in use, reduces the working height and does not need to lift the cable upward when taking it out, reduces safety hazards and the difficulty of operation for operators, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached figure:

[0019] Figure 1 Schematic diagram of the layered cable tray structure of the composite insulation material and static dissipation combination of the present invention Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the internal structure of the protective cover of the present invention;

[0021] Figure 3 Schematic diagram of the layered cable tray structure of the composite insulation material and static dissipation combination of the present invention Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the exploded structure of a layered cable tray combining composite insulation material and static dissipation according to the present invention;

[0023] Figure 5 A schematic diagram of the internal structure of a layered cable tray comprising a composite insulating material and static dissipation device according to the present invention;

[0024] Figure 6 For the present invention Figure 5 Schematic diagram of the partially enlarged structure;

[0025] Figure 7 For the present invention Figure 2 A in the middle is an enlarged structural diagram;

[0026] Figure 8 For the present invention Figure 6 The enlarged structural diagram at B in the middle;

[0027] In the figure: 1. Bridge body; 2. Bottom plate; 3. Protective shell; 4. Turn handle; 5. Positioning rod; 6. Positioning hole; 7. Lower clamping strip; 8. Upper clamping strip; 9. Support frame; 10. Shaft rod; 11. Shaft seat; 12. Active bevel gear; 13. Driven bevel gear; 14. Threaded sleeve; 15. Rotating sleeve; 16. Threaded rod; 17. Sliding sleeve; 18. Sliding rod; 19. Clamping groove; 20. Rotating seat; 21. Oblique strip; 22. Limit block; 23. Roller; 24. Connecting frame; 25. Push plate; 26. Rectangular rod; 27. Rectangular sleeve; 28. Fixed block; 29. ​​First spring; 30. Pushing strip; 31. Contact strip; 32. Mounting slot; 33. Insert rod; 34. Insert sleeve; 35. Second spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Embodiment 1, by Figures 1 to 8 The present invention includes a bridge frame body 1, a bottom plate 2 is provided under the bridge frame body 1, an inner wall of the bridge frame body 1 is provided with an electrostatic dissipative layer made of carbon fiber material, the polymer of the dissipative layer has a certain conductivity, thereby dissipating static electricity in time, and preventing static electricity accumulation from causing spark discharge and other safety hazards, the outer surface of the bridge frame body 1 is provided with a composite insulating layer made of electrical porcelain material, the composite insulating layer has good insulation and mechanical strength, two protective shells 3 are fixedly installed on the top of the bridge frame body 1, a turning handle 4 is provided on the upper part of the bridge frame body 1 and located between the two protective shells 3, and transmission components are provided at both ends of the turning handle 4, two positioning holes 6 are respectively provided on both sides of the bottom of the bridge frame body 1, and the top of the bottom plate 2 Two positioning rods 5 are fixedly installed on both sides, and the four positioning rods 5 are inserted into the four positioning holes 6. Three upper clamping strips 8 are provided in the middle of the interior of the bridge body 1, and three lower clamping strips 7 are provided at the lower part of the three upper clamping strips 8. Support frames 9 are fixedly installed between the two sides of the three lower clamping strips 7. The transmission assembly is connected to the three lower clamping strips 7 and the three upper clamping strips 8 for transmission. When the handle 4 is rotated, power is output to the three lower clamping strips 7 and the three upper clamping strips 8 through the transmission assembly, so that the three lower clamping strips 7 and the three upper clamping strips 8 move downward and exit the outside of the bridge body 1, and the three upper clamping strips 8 are moved away from the lower clamping strip 7 to release the lock of the cable. A clamping groove 19 is provided on the side where the three lower clamping strips 7 and the three upper clamping strips 8 are close to each other.

[0030] When in use, the operator rotates the handle 4 to drive the transmission component to operate, and the transmission component will drive the base plate 2 to move downward when it operates. When the base plate 2 moves downward, the four positioning rods 5 will be pulled out from the four positioning holes 6 and the three upper clamping strips 8 will be driven to move downward to the outside of the bridge body 1 through the three lower clamping strips 7. At the same time, the transmission component will also drive the three upper clamping strips 8 to move upward to release the clamping limit of the cable, and then the cables can be removed from the side in turn, and the cables can be quickly removed or maintained; this allows the cable tray to be taken out or maintained from the bottom when in use, reduces the working height and does not need to lift the cable upward when taking it out, reduces safety hazards and the difficulty of operation for the operator, and improves work efficiency.

[0031] Embodiment 2, on the basis of embodiment 1, the transmission assembly includes a shaft 10, the shaft 10 is fixedly mounted on the middle part of the turning handle 4, the surface of the shaft 10 is rotatably connected to the top of the bridge body 1 through four shaft seats 11, and both ends of the shaft 10 are fixedly mounted with active bevel gears 12, the lower parts of the surfaces of the two active bevel gears 12 are meshed and connected with driven bevel gears 13, the middle parts of the driven bevel gears 13 are fixedly mounted with threaded sleeves 14, the surfaces of the two threaded sleeves 14 are rotatably connected to the top of the bridge body 1 through rotating sleeves 15; the internal threads of the threaded sleeves 14 are connected to a threaded rod 16, the bottom ends of the threaded rod 16 are rotatably mounted with rotating seats 20, and the lower parts of the two rotating seats 20 are fixedly connected to the upper part of the base plate 2.

[0032] The operator rotates the handle 4, so that the handle 4 drives the shaft 10 to rotate inside the four shaft seats 11. When the shaft 10 rotates, it drives the two driven bevel gears 13 to rotate through the two active bevel gears 12. When the two driven bevel gears 13 rotate, they drive the two threaded sleeves 14 to rotate inside the two rotating sleeves 15. When the two threaded sleeves 14 rotate, they drive the base plate 2 to move downward through the two threaded rods 16. When the base plate 2 moves downward, it drives the two sliding rods 18 to slide inside the two sliding sleeves 17, thereby increasing the stability of the base plate 2 when it moves downward.

[0033] Embodiment 3, on the basis of embodiment 2, three oblique bars 21 are fixedly installed on the inner walls of both sides of the bridge body 1 at equal distances, and the side of the oblique bars 21 close to the upper clamping bar 8 is tightly attached to the roller 23, and the surface of the roller 23 is rotatably mounted with a connecting frame 24, and the end of the connecting frame 24 away from the roller 23 is fixedly mounted with a push plate 25, and the two ends of the top of the bridge body 1 are fixedly mounted with a sliding sleeve 17 at opposite corners, and a sliding rod 18 is inserted into the interior of the sliding sleeve 17. The bottom ends of the two sliding rods 18 are fixedly connected to the upper part of the bottom plate 2, and the upper end of one side of the oblique bar 21 is fixedly mounted with a limit block 22;

[0034] A rectangular rod 26 is fixedly installed on the side of the push plate 25 away from the connecting frame 24, and one end of the surface of the rectangular rod 26 is sleeved with a rectangular sleeve 27. The top of the rectangular sleeve 27 is fixedly connected to the inner top of the support frame 9 through a fixing block 28. The other end of the surface of the rectangular rod 26 is sleeved with a first spring 29. The two ends of the first spring 29 are respectively fixedly connected to the push plate 25 and the rectangular sleeve 27; a pushing strip 30 is fixedly installed on the end of the rectangular rod 26 away from the push plate 25, and a contact strip 31 is tightly attached to the lower parts of two adjacent pushing strips 30. The bottoms of the three contact strips 31 are respectively fixedly connected to the middle parts of the tops of the three upper clamping strips 8;

[0035] Two mounting grooves 32 are respectively provided in the middle of the bottom of the three upper clamping strips 8, and an insertion rod 33 is fixedly installed on the inner top of the mounting groove 32. The middle part of the surface of the insertion rod 33 is sleeved with a sleeve 34, and the surface of the sleeve 34 is fixedly connected to the corresponding lower clamping strip 7; the upper end part of the surface of the insertion rod 33 is sleeved with a second spring 35, and the two ends of the second spring 35 are respectively fixedly connected to the inner top of the corresponding mounting groove 32 and the upper part of the lower clamping strip 7.

[0036] When the three upper clamping strips 8 move downward, they all drive the roller 23 to move downward along the oblique strip 21. Since the oblique strips 21 are all inclined with a width at the top and a narrowness at the bottom, when the three upper clamping strips 8 move downward, they all push the corresponding push plates 25 to move outward under the elastic force of the first spring 29. When the push plates 25 move outward, they all drive the rectangular rod 26 to slide outward along the inside of the rectangular sleeve 27. When the rectangular rod 26 moves outward, it drives the pushing strip 30 away from the contact strip 31, thereby releasing the squeezing of the three upper clamping strips 8, and then the three upper clamping strips 8 are pushed upward under the elastic force of multiple second springs 35. When the upper clamping strips 8 move upward, they all drive the insertion rod 33 to slide along the inside of the insertion sleeve 34, thereby increasing the stability of the three upper clamping strips 8 moving upward; when the three upper clamping strips 8 move upward, the clamping limit of the cable will be released, and then the cables can be removed one by one from the side, and the cable can be quickly removed or maintained.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A layered cable tray composed of a composite insulating material and an electrostatic dissipation material, comprising a cable tray body (1), characterized in that: A bottom plate (2) is provided below the bridge main body (1), an inner wall of the bridge main body (1) is provided with an electrostatic dissipation layer made of carbon fiber material, an outer surface of the bridge main body (1) is provided with a composite insulation layer made of electric porcelain material, two protective shells (3) are fixedly installed on the top of the bridge main body (1), a turning handle (4) is provided on the upper part of the bridge main body (1) and located between the two protective shells (3), and transmission components are provided at both ends of the turning handle (4), two positioning holes (6) are respectively provided on both sides of the bottom of the bridge main body (1), two positioning rods (5) are respectively fixedly installed on both sides of the top of the bottom plate (2), and the four positioning rods (5) are inserted into the inside of the four positioning holes (6). (1) Three upper clamping strips (8) are provided in the middle of the interior, and three lower clamping strips (7) are provided at the lower parts of the three upper clamping strips (8). Support frames (9) are fixedly installed between the two sides of the three lower clamping strips (7). The transmission assembly is connected to the three lower clamping strips (7) and the three upper clamping strips (8). When the handle (4) is rotated, the transmission assembly outputs power to the three lower clamping strips (7) and the three upper clamping strips (8), so that the three lower clamping strips (7) and the three upper clamping strips (8) move downward and exit the outside of the bridge frame body (1), and the three upper clamping strips (8) are moved away from the lower clamping strips (7) to release the locking of the cables. A clamping groove (19) is provided on the side where the three lower clamping strips (7) and the three upper clamping strips (8) are close to each other.

2. A layered cable tray comprising a composite insulating material and a static dissipation device according to claim 1, characterized in that: The transmission assembly comprises a shaft (10), which is fixedly mounted on the middle of a turning handle (4); the surface of the shaft (10) is rotatably connected to the top of a bridge frame body (1) via four shaft seats (11); driving bevel gears (12) are fixedly mounted on both ends of the shaft (10); the lower portions of the surfaces of the two driving bevel gears (12) are meshedly connected to driven bevel gears (13); threaded sleeves (14) are fixedly mounted on the middle of the driven bevel gears (13); the surfaces of the two threaded sleeves (14) are rotatably connected to the top of the bridge frame body (1) via rotating sleeves (15).

3. The layered cable tray of composite insulation material and static dissipation combination according to claim 2, characterized in that: The internal thread of the threaded sleeve (14) is connected to a threaded rod (16), and the bottom ends of the threaded rods (16) are rotatably mounted with rotating seats (20), and the lower parts of the two rotating seats (20) are fixedly connected to the upper part of the base plate (2).

4. The layered cable tray of composite insulation material and static dissipation combination according to claim 2, characterized in that: Three oblique bars (21) are fixedly installed on the inner walls of both sides of the bridge frame body (1) at equal distances, and a roller (23) is tightly attached to the side of the oblique bars (21) close to the upper clamping bar (8), and a connecting frame (24) is rotatably installed on the surface of the roller (23), and a push plate (25) is fixedly installed on the end of the connecting frame (24) away from the roller (23). Sliding sleeves (17) are fixedly installed at the two diagonals of the top of the bridge frame body (1), and sliding rods (18) are inserted into the interior of the sliding sleeves (17). The bottom ends of the two sliding rods (18) are fixedly connected to the upper part of the bottom plate (2), and a limiting block (22) is fixedly installed on the upper end of one side of the oblique bar (21).

5. The layered cable tray of composite insulation material and static dissipation combination according to claim 4, characterized in that: A rectangular rod (26) is fixedly installed on one side of the push plate (25) away from the connecting frame (24), one end of the surface of the rectangular rod (26) is sleeved with a rectangular sleeve (27), the top of the rectangular sleeve (27) is fixedly connected to the inner top of the support frame (9) through a fixing block (28), and the other end of the surface of the rectangular rod (26) is sleeved with a first spring (29), and both ends of the first spring (29) are fixedly connected to the push plate (25) and the rectangular sleeve (27) respectively.

6. The layered cable tray of composite insulation material and static dissipation combination according to claim 5, characterized in that: A pushing strip (30) is fixedly mounted on one end of the rectangular rod (26) away from the push plate (25), and a contact strip (31) is tightly attached between the lower parts of two adjacent pushing strips (30), and the bottoms of the three contact strips (31) are fixedly connected to the middle parts of the tops of the three upper clamping strips (8) respectively.

7. The layered cable tray of composite insulation material and static dissipation combination according to claim 2, characterized in that: The middle parts of the bottoms of the three upper clamping strips (8) are respectively provided with two mounting grooves (32), the inner tops of the mounting grooves (32) are fixedly mounted with plug rods (33), the middle parts of the surfaces of the plug rods (33) are sleeved with plug sleeves (34), and the surfaces of the plug sleeves (34) are respectively fixedly connected to the corresponding lower clamping strips (7).

8. The layered cable tray of composite insulation material and static dissipation combination according to claim 7, characterized in that: The upper end of the surface of the insertion rod (33) is sleeved with a second spring (35), and both ends of the second spring (35) are fixedly connected to the inner top of the corresponding installation groove (32) and the upper part of the lower clamping strip (7).

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