Cable protection groove for expansion joint of high-speed railway bridge
By introducing structures such as sliding rods, pallets, fixed springs and movable parts into the cable protection grooves of the expansion joints of the high-speed rail bridge, the damage problem of the cable protection grooves during pressure and pedaling is solved, the protection effect and continuous use are improved, and the Repair costs and improve work convenience and safety.
Patent Information
- Application Number
- CN202311341073.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-17
- Publication Date
- 2025-01-17
AI Technical Summary
The existing high-speed rail bridge expansion joint cable protection trough is prone to damage when under pressure and trampling, resulting in cable damage, increasing maintenance and replacement costs, reducing the protection effect and continuous use.
A cable protection groove including a fixing plate, a protective component and a movable part is designed. The protective component prevents damage to the cable protection groove during pressure and pedal through structures such as sliding rods, pallets, fixing springs, restricting rods and movable parts. And strengthen protection through moving parts.
It effectively reduces the damage of cable guard grooves, extends service life, reduces repair and replacement costs, and improves the convenience and safety of staff.
Smart Images
Figure CN119324416A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of cable protection troughs for expansion joints of high-speed railway bridges, and in particular to a cable protection trough for expansion joints of high-speed railway bridges. Background Art
[0002] The cable protection trough for the expansion joint of a high-speed railway bridge refers to a facility used to protect the cables in the expansion joint of a high-speed railway bridge. The cable protection trough for the expansion joint of a high-speed railway bridge is mainly used to protect the cables in the expansion joint of the bridge from damage by the external environment and ensure the safe operation of the bridge. The cable protection trough for the expansion joint of a high-speed railway bridge can effectively protect the cables in the expansion joint of the bridge from damage by the external environment, extend the service life of the cables, and reduce the cost of maintenance and replacement. At the same time, it also ensures the safe operation of the high-speed railway bridge and the normal transmission of communication signals.
[0003] The cable protection trough of the expansion joint of the high-speed railway bridge is usually composed of the protection trough body, sealing strips, connectors, etc. The protection trough body is usually made of metal or plastic materials, and has the characteristics of corrosion resistance, high temperature resistance, and pressure resistance. The sealing strip is used to ensure the sealing performance of the protection trough and prevent foreign substances such as water and dust from entering the protection trough. The connector is used to connect and fix the protection trough. During the actual installation process, the cables in the expansion joint are placed inside the protection trough, and the protection troughs are connected together through the connectors to ensure a stable connection between the protection trough and the bridge. At the same time, the protection trough is sealed with a sealing strip to prevent the intrusion of foreign substances.
[0004] However, the existing high-speed railway bridge expansion joint cable protection troughs do not have a very good protective effect when in use. Therefore, when the high-speed railway bridge expansion joint cable protection troughs are subjected to pressure and stepped on, the expansion joint cable protection troughs will be damaged, deformed, and the cables inside the protection troughs will be damaged, increasing the destructibility of the protection troughs, reducing the practicality and sustainability of the protection troughs, and also increasing the economic cost of replacing and repairing the cable protection troughs due to damage caused by excessive pressure. Summary of the invention
[0005] The object of the present invention is to provide a cable protection trough for expansion joints of high-speed railway bridges to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cable protection trough for an expansion joint of a high-speed railway bridge, comprising a fixing plate, a cable protection trough is fixedly installed on the top of the fixing plate, a fixing component and a protection component are arranged at the bottom of the cable protection trough, and the protection component can be used to protect the cable protection trough, and at the same time, it can prevent the cable protection trough from being damaged when it is subjected to pressure and stepped on, thereby preventing the cable protection trough from being deformed and damaging the cables inside the cable protection trough, and the protection component comprises: a sliding rod, the sliding rod passes through the cable protection trough, a supporting plate is fixedly installed on the top of the sliding rod, and the supporting plate is attached to the cable On the inner wall of the cable protection groove, a fixing spring is fixedly installed on the surface of the sliding rod, and the fixing spring is fixedly installed on the top of the cable protection groove, a connecting plate, and the connecting plate is fixedly installed on the surface of the sliding rod. A limiting rod is fixedly installed on the bottom of the sliding rod, and a slider is provided on the surface of the limiting rod. The limiting rod is slidably connected to the inside of the slider, and a limiting rod and a fixed shaft are fixedly installed on the inside of the slider. The fixed shaft is fixedly installed on the top of the fixed plate, which reduces the damage of the cable protection groove and enhances the practicality and sustainability of the cable protection groove. The protective component is also provided with movable parts for enhancing the protective effect.
[0007] Preferably, the movable part includes: an insertion rod, which is fixedly mounted on the surface of the connecting plate, a rotating rod is provided on the surface of the insertion rod, the rotating rod is rotatably connected to the top of the fixed plate, and the insertion rod is slidably connected to the groove on the surface of the rotating rod.
[0008] Preferably, the surface of the rotating rod is connected to a threaded rod via a belt drive, and the surface of the threaded rod is threadedly connected to a screw ring.
[0009] Preferably, a limiting block is fixedly installed on the top of the fixed plate, a connecting shaft is fixedly installed on the inner side of the limiting block, the connecting shaft is fixedly installed on the outer side of the screw ring, a movable block is fixedly installed on the bottom of the screw ring, the limiting block is hinged on the surface of the movable block, and a volute spring is fixedly installed on the surface of the limiting block. The movable parts in the protective assembly can be used to increase the protection of the cable protection groove, thereby reducing the economic cost of replacing and repairing the cable protection groove due to damage caused by excessive pressure or trampling, and greatly improving the convenience of the staff at work.
[0010] Preferably, the fixing assembly includes: a fixing rod, the fixing rod is slidably connected to the inner wall of the cable protection groove, a bending spring is fixedly installed on the top of the fixing rod, the bending spring is fixedly installed on the inner wall of the cable protection groove, a long rod is fixedly installed on the bottom of the fixing rod, a conical block is slidably connected to the surface of the long rod, a movable spring 1 is fixedly installed on the top of the conical block, the movable spring 1 is fixedly installed on the bottom of the fixing rod, a top block is fixedly installed on the bottom of the long rod, and a pull rod is fixedly installed on the outside of the fixing rod.
[0011] Preferably, a cross block is fixedly installed on the top of the fixed plate, a conical rod is slidably connected inside the cross block, and a movable spring 2 is fixedly installed on the surface of the conical rod. The movable spring 2 is fixedly installed inside the cross block, and the fixed assembly can be used to facilitate the installation and disassembly of the cable protection trough, thereby greatly improving the convenience of the staff at work, enhancing the efficiency of the staff at work, reducing the difficulty of the staff in installing and disassembling the cable protection trough, and enhancing the convenience and safety of the staff in inspecting and maintaining the cable protection trough.
[0012] Preferably, a sliding groove is provided on the top of the fixing plate, which can drive the sliding block on the top thereof to slide.
[0013] Preferably, an arc-shaped sliding groove is provided on the surface of the rotating rod, and the sliding of the insertion rod can be used to drive the rotation of the rotating rod.
[0014] Preferably, a plug hole is provided on the surface of the fixed shaft, and the hole on the surface of the fixed shaft can be used to limit the limit rod.
[0015] Preferably, a hole is provided on the top of the cable protection groove, and a fixing component can pass through the interior of the cable protection groove.
[0016] Compared with the prior art, the present invention provides a cable protection trough for expansion joints of high-speed railway bridges, which has the following beneficial effects:
[0017] 1. The cable protection trough of the expansion joint of the high-speed railway bridge can use the protection components to protect its cable protection trough. At the same time, it can prevent the cable protection trough from being damaged when it is under pressure and stepped on, thereby preventing the cable protection trough from deformation and damaging the cables inside the protection trough, thereby reducing the damage of the cable protection trough and enhancing the practicality and sustainability of the cable protection trough.
[0018] 2. The cable protection trough of the expansion joint of the high-speed railway bridge can increase the protection of the cable protection trough by using the movable parts in the protection assembly, thereby reducing the economic cost of replacing and repairing the cable protection trough caused by excessive pressure or trampling, and greatly improving the convenience of the staff at work.
[0019] 3. The cable protection trough of the expansion joint of the high-speed railway bridge can utilize fixed components to facilitate the installation and disassembly of the cable protection trough, thereby greatly improving the convenience of the staff at work, enhancing the efficiency of the staff at work, and reducing the difficulty of the staff in installing and disassembling the cable protection trough, and enhancing the convenience and safety of the staff in the inspection and maintenance of the cable protection trough. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a front view structural schematic diagram of the present invention;
[0021] Figure 2 For the present invention Figure 1 A is a schematic diagram of the enlarged structure;
[0022] Figure 3 It is a schematic diagram of the front structure of the present invention;
[0023] Figure 4 For the present invention Figure 3 A is a schematic diagram of the enlarged structure;
[0024] Figure 5 This is a front view structural diagram of the support plate of the present invention;
[0025] Figure 6 It is a partial structural schematic diagram of the fixing component of the present invention.
[0026] In the figure: 1. fixed plate; 2. cable protection groove; 3. fixed component; 31. fixed rod; 32. bending spring; 33. long rod; 34. tapered block; 35. movable spring one; 36. top block; 37. pull rod; 38. cross block; 39. tapered rod; 310. movable spring two; 4. protection component; 41. sliding rod; 42. support plate; 43. fixed spring; 44. connecting plate; 45. limiting rod; 46. slider; 47. limit rod; 48. fixed shaft; 49. movable part; 491. plug rod; 492. rotating rod; 493. threaded rod; 494. screw ring; 495. limiting block; 496. connecting shaft; 497. movable block; 498. limit block; 499. scroll spring. DETAILED DESCRIPTION
[0027] like Figure 1-6As shown, the present invention provides a technical solution: a cable protection trough for an expansion joint of a high-speed railway bridge, comprising a fixed plate 1, a cable protection trough 2 is fixedly installed on the top of the fixed plate 1, a fixing component 3 and a protection component 4 are arranged at the bottom of the cable protection trough 2, and the protection component 4 can be used to protect the cable protection trough 2, and at the same time, it can prevent the cable protection trough 2 from being damaged when it is subjected to pressure and stepped on, thereby preventing the cable protection trough 2 from being deformed and causing damage to the cables inside the cable protection trough 2, and the protection component 4 includes: a sliding rod 41, a support plate 42, a fixed spring 43, a connecting plate 44, a limiting rod 45, a slider 46, a limit rod 47, and a fixed shaft 48.
[0028] The sliding rod 41 passes through the cable protection groove 2. When the sliding rod 41 slides, it drives the connecting plate 44 to slide. When the connecting plate 44 slides, it drives the limiting rod 45 at the bottom to slide, and the sliding block 46 slides. When the sliding block 46 slides, the limiting rod 47 slides, so that it is inserted into the inside of the fixed shaft 48 for fixing. A supporting plate 42 is fixedly installed on the top of the sliding rod 41. The supporting plate 42 fits on the inner wall of the cable protection groove 2. A fixing spring 43 is fixedly installed on the surface of the sliding rod 41. The fixing spring 43 is fixedly installed on the top of the cable protection groove 2. A connecting plate 44 is fixedly mounted on the surface of the sliding rod 41, a limiting rod 45 is fixedly mounted on the bottom of the sliding rod 41, a sliding block 46 is arranged on the surface of the limiting rod 45, the limiting rod 45 is slidably connected to the inside of the sliding block 46, a limiting rod 47 is fixedly mounted on the inner side of the sliding block 46, a fixed shaft 48 is fixedly mounted on the top of the fixed plate 1, a movable part 49, and a movable part 49 for enhancing the protective effect is also arranged in the protective component 4, which reduces the damageability of the cable protection trough 2 and also enhances the practicality and sustainability of the cable protection trough 2.
[0029] The movable part 49 includes: an insertion rod 491, when the insertion rod 491 slides, it drives the rotation of its rotating rod 492, when the rotating rod 492 rotates, it drives the rotation of the threaded rod 493 through the belt, and whenever the threaded rod 493 rotates, it drives the sliding of its screw ring 494, thereby driving the sliding of its limiting block 495, when the limiting block 495 slides, it drives the sliding of the connecting shaft 496, when the limiting block 495 slides, it also drives the movement of the movable block 497, thereby contacting the top of its fixed plate 1, thereby driving the opening of the movable block 497 to be connected to the inside of the limit block 498 for restriction, the insertion rod 491 is fixedly installed on the surface of the connecting plate 44, and the surface of the insertion rod 491 is provided with a rotating rod 492, the rotating rod 492 is rotatably connected to the top of the fixed plate 1, and the insertion rod 491 is slidably connected to the surface of the rotating rod 492 At the surface groove, the surface of the rotating rod 492 is connected to the threaded rod 493 through a belt drive, and the surface of the threaded rod 493 is threadedly connected to a screw ring 494, a limiting block 495 is fixedly installed on the top of the fixed plate 1, a connecting shaft 496 is fixedly installed on the inner side of the limiting block 495, the connecting shaft 496 is fixedly installed on the outer side of the screw ring 494, and a movable block 497 is fixedly installed on the bottom of the screw ring 494, and a limiting block 498 is hinged on the surface of the movable block 497, and a volute spring 499 is fixedly installed on the surface of the limiting block 498. The movable parts 49 in the protective component 4 can be used to increase the protection of the cable protection groove 2, thereby reducing the economic cost of replacing and repairing the cable protection groove 2 caused by excessive pressure or trampling, and greatly improving the convenience of the staff at work.
[0030] The fixing assembly 3 includes: a fixing rod 31. When the fixing rod 31 slides, it will drive the sliding of its long rod 33, and drive the sliding of its tapered block 34 and top block 36. When the top block 36 slides, it will resist the tapered rod 39 inside the cross block 38, so that the tapered rod 39 is reset under the action of the movable spring 2 310 and is clamped on the surface of the long rod 33 for restriction. When pressed again, the top block 36 will be used to resist the tapered rod 39, so that when the tapered rod 39 is resisted, it will move again. The fixing rod 31 is slidably connected to the inner wall of the cable protection groove 2. A bending spring 32 is fixedly installed on the top of the fixing rod 31. The bending spring 32 is fixedly installed on the inner wall of the cable protection groove 2. The long rod 33 is fixedly installed at the bottom of the fixing rod 31. The surface of the long rod 33 is slidably connected with the tapered block 34. The top of the tapered block 34 is fixedly installed with Movable spring 1 35, movable spring 1 35 is fixedly installed at the bottom of the fixed rod 31, a top block 36 is fixedly installed at the bottom of the long rod 33, a pull rod 37 is fixedly installed on the outside of the fixed rod 31, a cross block 38 is fixedly installed on the top of the fixed plate 1, a conical rod 39 is slidably connected inside the cross block 38, and a movable spring 2 310 is fixedly installed on the surface of the conical rod 39. The movable spring 2 310 is fixedly installed inside the cross block 38. The fixing component 3 can be used to facilitate the installation and disassembly of the cable protection trough 2, thereby greatly improving the convenience of the staff at work, enhancing the efficiency of the staff at work, and reducing the difficulty of the staff in installing and disassembling the cable protection trough 2, and enhancing the convenience and safety of the staff in the inspection and maintenance of the cable protection trough 2.
[0031] A sliding groove is provided on the top of the fixed plate 1, which can drive the slider 46 on the top to slide. An arc-shaped sliding groove is provided on the surface of the rotating rod 492, and the sliding of the insertion rod 491 can be used to drive the rotation of the rotating rod 492. A socket is provided on the surface of the fixed shaft 48, and the holes on the surface of the fixed shaft 48 can be used to limit its limit rod 47. A hole is provided on the top of the cable protection groove 2, and its fixing component 3 can pass through the interior of the cable protection groove 2.
[0032] Working principle: When the cable protection trough 2 is subjected to pressure and stepping on, it will drive the sliding of the support plate 42. When the support plate 42 slides, it will drive the sliding rod 41 to slide. When the sliding rod 41 slides, it will drive the sliding of the connecting plate 44. When the connecting plate 44 slides, it will drive the limiting rod 45 at the bottom to slide, and the sliding block 46 to slide. When the sliding block 46 slides, the limiting rod 47 will slide, so that it can be inserted inside the fixed shaft 48 for fixing, thereby protecting the cable protection trough 2. At the same time, it can prevent the cable protection trough 2 from being damaged when subjected to pressure and stepping on, thereby causing deformation and damaging the cables inside the cable protection trough 2.
[0033] When the connecting plate 44 slides, it will also drive the sliding of the plug rod 491. When the plug rod 491 slides, it will drive the rotation of its rotating rod 492. When the rotating rod 492 rotates, it will drive the rotation of the threaded rod 493 through the belt. Whenever the threaded rod 493 rotates, it will drive the sliding of its screw ring 494, thereby driving the sliding of its limiting block 495. When the limiting block 495 slides, it will drive the sliding of the connecting shaft 496. When the limiting block 495 slides, it will also drive the movement of the movable block 497, thereby contacting the top of its fixed plate 1, thereby driving the opening of the movable block 497 and clamping it inside the limit block 498 to limit it, thereby increasing the protection of the cable protection trough 2, thereby reducing the economic cost of replacing and repairing the cable protection trough 2 caused by excessive pressure or trampling, and greatly improving the convenience of the staff at work.
[0034] The sliding pull rod 37 can be used to drive the sliding of the fixed rod 31. When the fixed rod 31 slides, it will drive the sliding of the long rod 33, and drive the sliding of the tapered block 34 and the top block 36. When the top block 36 slides, it will resist the tapered rod 39 inside the cross block 38, so that the tapered rod 39 is reset and clamped on the surface of the long rod 33 under the action of the movable spring 2 310 to limit it. When pressed again, the top block 36 will resist the tapered rod 39, so that when the tapered rod 39 is resisted, it will move again, thereby releasing the tapered rod 39 clamped on the surface of the long rod 33, which is convenient for the installation and disassembly of the cable protection trough 2, thereby greatly improving the convenience of the staff at work, enhancing the efficiency of the staff at work, and reducing the difficulty of the staff when installing and disassembling the cable protection trough 2, and enhancing the convenience and safety of the staff when inspecting and maintaining the cable protection trough 2.
[0035] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A cable protection trough for expansion joints of a high-speed railway bridge, comprising a fixing plate (1), characterized in that: A cable protection groove (2) is fixedly mounted on the top of the fixing plate (1), a fixing component (3) and a protection component (4) are arranged at the bottom of the cable protection groove (2), and the protection component (4) comprises: A sliding rod (41), the sliding rod (41) passes through the cable protection groove (2), a support plate (42) is fixedly installed on the top of the sliding rod (41), the support plate (42) is attached to the inner wall of the cable protection groove (2), a fixed spring (43) is fixedly installed on the surface of the sliding rod (41), and the fixed spring (43) is fixedly installed on the top of the cable protection groove (2); A connecting plate (44), wherein the connecting plate (44) is fixedly mounted on the surface of the sliding rod (41), a limiting rod (45) is fixedly mounted on the bottom of the sliding rod (41), a sliding block (46) is arranged on the surface of the limiting rod (45), the limiting rod (45) is slidably connected to the inside of the sliding block (46), and a limiting rod (47) is fixedly mounted on the inner side of the sliding block (46); A fixed shaft (48) is fixedly mounted on the top of the fixed plate (1), and a movable part (49) for enhancing the protective effect is also arranged in the protective component (4).
2. A cable protection trough for expansion joints of a high-speed railway bridge according to claim 1, characterized in that: The movable part (49) comprises: an insertion rod (491), the insertion rod (491) is fixedly mounted on the surface of the connecting plate (44), a rotating rod (492) is arranged on the surface of the insertion rod (491), the rotating rod (492) is rotatably connected to the top of the fixed plate (1), and the insertion rod (491) is slidably connected to a groove on the surface of the rotating rod (492).
3. A cable protection trough for expansion joints of a high-speed railway bridge according to claim 2, characterized in that: The surface of the rotating rod (492) is connected to a threaded rod (493) via a belt drive, and the surface of the threaded rod (493) is threadedly connected to a screw ring (494).
4. The cable protection trough for expansion joints of high-speed railway bridges according to claim 1 is characterized in that: A limiting block (495) is fixedly mounted on the top of the fixed plate (1), a connecting shaft (496) is fixedly mounted on the inner side of the limiting block (495), the connecting shaft (496) is fixedly mounted on the outer side of the spiral ring (494), a movable block (497) is fixedly mounted on the bottom of the spiral ring (494), a limiting block (498) is hingedly mounted on the surface of the movable block (497), and a spiral spring (499) is fixedly mounted on the surface of the limiting block (498).
5. The cable protection trough for expansion joints of high-speed railway bridges according to claim 1 is characterized in that: The fixing assembly (3) comprises: a fixing rod (31), the fixing rod (31) is slidably connected to the inner wall of the cable protection groove (2), a bending spring (32) is fixedly installed on the top of the fixing rod (31), the bending spring (32) is fixedly installed on the inner wall of the cable protection groove (2), a long rod (33) is fixedly installed on the bottom of the fixing rod (31), a conical block (34) is slidably connected to the surface of the long rod (33), a movable spring (35) is fixedly installed on the top of the conical block (34), the movable spring (35) is fixedly installed on the bottom of the fixing rod (31), a top block (36) is fixedly installed on the bottom of the long rod (33), and a pull rod (37) is fixedly installed on the outside of the fixing rod (31).
6. The cable protection trough for expansion joints of a high-speed railway bridge according to claim 1, characterized in that: A cross block (38) is fixedly mounted on the top of the fixed plate (1), a conical rod (39) is slidably connected inside the cross block (38), a movable spring 2 (310) is fixedly mounted on the surface of the conical rod (39), and the movable spring 2 (310) is fixedly mounted inside the cross block (38).
7. The cable protection trough for expansion joints of high-speed railway bridges according to claim 1 is characterized by: A sliding groove is provided on the top of the fixing plate (1).
8. The cable protection trough for expansion joints of high-speed railway bridges according to claim 2 is characterized by: An arc-shaped sliding groove is provided on the surface of the rotating rod (492).
9. The cable protection trough for expansion joints of high-speed railway bridges according to claim 1, characterized in that: The surface of the fixed shaft (48) is provided with an insertion hole.
10. The cable protection trough for expansion joints of high-speed railway bridges according to claim 1, characterized in that: The top of the cable protection groove (2) is provided with a hole.