Tunnel cable trench cover plate

Abstract

The utility model provides a tunnel cable trench cover plate, which is characterized in that the tunnel cable trench cover plate comprises a side cover plate, a top cover and an auxiliary opening structure, the side cover plate is arranged on one side, far away from a tunnel side wall, of a cable trench, and the side cover plate vertically extends from a bottom plate of the cable trench and is rotatably connected with the bottom plate of the cable trench. The top cover is connected to the top of the side cover plate and covers the top of the cable trench. The auxiliary opening structure is connected with the side cover plate and extends in the vertical direction, and the auxiliary opening structure is horizontally pushed to drive the side cover plate to rotate around the bottom of the cable trench so as to open the top cover. In the embodiment of the invention, the top cover and the side cover plate can be locked, the auxiliary opening structure is connected with the side cover plate and extends in the vertical direction, when the cover plate is opened, the auxiliary opening structure can be pushed to drive the top cover and the side cover plate to be opened, and the auxiliary opening structure serves as a labor-saving lever so that opening and closing of the cover plate can be more labor-saving and efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnels, in particular to a tunnel cable trench cover plate. BACKGROUND

[0002] The tunnel cable trench is usually arranged on both sides of the bottom of the tunnel to provide power support for the lighting, ventilation and monitoring devices in the tunnel. During the tunnel construction, the cover plate of the tunnel cable trench often needs to be opened to check the cable condition or to repair the cable. In the conventional technology, the cover plate of the cable trench is usually made of concrete and has a large weight and volume, so that a large amount of human resources is consumed when the cover plate is opened, and the maintenance and repair of the cable trench are difficult. CONTENT OF THE UTILITY MODEL

[0003] The utility model mainly aims at providing a tunnel cable trench cover plate to solve the problem of consuming a large amount of manpower to open the cover plate of the cable trench in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a tunnel cable trench cover plate, characterized in that it comprises a side cover plate, a top cover and an auxiliary opening structure, wherein,

[0005] The side cover plate is arranged on the side of the cable trench away from the side wall of the tunnel, and the side cover plate extends along the vertical direction from the bottom plate of the cable trench and is rotatably connected with the bottom plate of the cable trench.

[0006] The top cover is connected to the top of the side cover plate and covers the top of the cable trench.

[0007] The auxiliary opening structure is connected with the side cover plate and extends along the vertical direction, and the horizontal pushing of the auxiliary opening structure drives the side cover plate to rotate around the bottom of the cable trench to open the top cover.

[0008] In an embodiment, the top cover comprises a lapping portion and a main body portion arranged in sequence along the horizontal direction, the lapping portion is used for lapping on the side wall of the cable trench close to the side wall of the tunnel, one end of the main body portion is rotatably connected with the lapping portion, and the other end of the main body portion is detachably connected with the side cover plate.

[0009] In an embodiment, a sealing strip is arranged on the side of the lapping portion in contact with the side wall of the tunnel to improve the sealing performance of the cable trench.

[0010] In an embodiment, a locking structure is further included, the locking structure is installed at the connection between the top cover and the side cover plate, the locking structure comprises a lock catch and a bolt, the lock catch is installed on the top cover, the bolt is installed on the side cover plate, and the bolt is movably arranged in the lock catch.

[0011] In an embodiment, the connection between the latch and the lock is a plug-in connection, used to lock the top cover and the side cover plate.

[0012] In an embodiment, a support rod is further included, which is telescopically installed at the connection between the side cover plate and the main body part, one end of the support rod being connected to the main body part and the other end being connected to the side cover plate, used to lift up or retract the top cover.

[0013] In an embodiment, the number of the auxiliary opening structures is multiple, which are arranged in the side cover plate at intervals along the extension direction of the tunnel.

[0014] In an embodiment, a first connection assembly and a second connection assembly are further included, the first connection assembly being connected to the lap joint part and the main body part respectively, and the second connection assembly being connected to the side cover plate and the concrete structure of the tunnel bottom respectively.

[0015] In an embodiment, the first connection assembly and the second connection assembly are both hinge structures.

[0016] In an embodiment, the first connection assembly and the second connection assembly are arranged at intervals along the extension direction of the tunnel.

[0017] In the embodiment, the top cover and the side cover plate can be locked, the auxiliary opening structure is connected to the side cover plate and extends vertically, and when the cover plate is opened, the auxiliary opening structure can be pushed to drive the top cover and the side cover plate to open, and the auxiliary opening structure as a force-saving lever can make the opening and closing of the cover plate more labor-saving and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0019] Figure 1 It is a structural schematic diagram of the tunnel cable trench cover plate in an embodiment of the present application, and the auxiliary opening structures are not all shown in the figure.

[0020] Figure 2 It is a structural schematic diagram when the main body part of the top cover is opened in an embodiment of the present application, and the auxiliary opening structures are not all shown in the figure.

[0021] Figure 3 It is a schematic diagram when the cover plate is fully opened in an embodiment of the present application.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, top cover; 11, lap joint; 111, sealing strip; 12, main body; 2, side cover plate; 3, auxiliary opening structure; 4, locking structure; 41, lock catch; 42, latch; 5, brace; 61, first connecting assembly; 62, second connecting assembly. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] In addition, the technical solutions of the various embodiments of the present application can be combined with each other, but must be based on the fact that they can be realized by those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0025] When the embodiments give numerical ranges, it should be understood that, unless otherwise stated by the present application, both endpoints of each numerical range and any number between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present application are as understood by those skilled in the art and as described in the present application. Any method, equipment and material of the prior art similar or equivalent to the method, equipment and material described in the embodiments of the present application can also be used to realize the present application.

[0026] In the related art, the cover plate of the tunnel cable trench is usually made of concrete, which is heavy and bulky. When checking and repairing the cable trench, additional manpower and mechanical equipment are usually required to open the cable trench. The cable trench cover plate is opened frequently, and a large amount of manpower is consumed when opening.

[0027] The present application provides a tunnel cable trench cover plate, characterized in that it comprises a side cover plate 2, a top cover 1 and an auxiliary opening structure 3, wherein,

[0028] The side cover plate 2 is arranged on the side of the cable trench away from the tunnel side wall, and the side cover plate 2 extends vertically from the bottom plate of the cable trench and is rotatably connected with the bottom plate of the cable trench;

[0029] The top cover 1 is connected to the top of the side cover plate 2 and covers the top of the cable trench;

[0030] The auxiliary opening structure 3 is connected with the side cover plate 2 and extends vertically, and the horizontal pushing of the auxiliary opening structure 3 drives the side cover plate 2 to rotate around the bottom of the cable trench to open the top cover 1.

[0031] Exemplarily, the auxiliary opening structure 3 is a long strip steel framework arranged in the side cover plate 2 in the vertical direction, and the upper end of the auxiliary opening structure 3 extends out of the top of the side cover plate 2. The side cover plate 2 can be formed by chiseling the existing side wall and then pouring concrete during the reconstruction and expansion of the tunnel, or can be directly poured and formed during the construction of a new tunnel, and the auxiliary opening structure 3 is pre-buried in the side cover plate 2 during the construction process of pouring the side cover plate 2.

[0032] In the embodiment of the application, the auxiliary opening structure 3 is connected with the side cover plate 2 and extends in the vertical direction, so as to enhance the overall rigidity and bending resistance of the cover plate. The top cover 1 is connected to the top of the side cover plate 2, and the auxiliary opening structure 3 can be rotated around the bottom of the cable trench by horizontally pushing the auxiliary opening structure 3. The auxiliary opening structure 3 can drive the side cover plate 2 and the top cover 1 to rotate as a lever, and at the same time, the overall rigidity and bending resistance of the side cover plate 2 are increased, which is relatively simple and labor-saving.

[0033] In one embodiment, the top cover 1 includes a lapping portion 11 and a main body portion 12 arranged in sequence in the horizontal direction. The lapping portion 11 is used for lapping on the side wall of the cable trench close to the side wall of the tunnel. One end of the main body portion 12 is rotatably connected with the lapping portion 11, and the other end of the main body portion 12 is detachably connected with the side cover plate 2.

[0034] Exemplarily, the main body portion 12 is made of transparent tempered glass or polycarbonate or other impact-resistant transparent materials, which provides a visual window for daily inspection of the cable trench, and it is not necessary to open the cover plate of the cable trench every time for inspection.

[0035] In the embodiment of the application, one end of the main body portion 12 is rotatably connected with the lapping portion 11, and the other end of the main body portion 12 is detachably connected with the side cover plate 2, so that the main body portion 12 can be conveniently opened or closed, and the inside of the cable trench can be inspected and maintained without completely opening the whole cable trench cover plate, which can improve the efficiency of inspection and maintenance and is convenient for operation and management.

[0036] In one embodiment, a sealing strip 111 is arranged on the side surface of the lapping portion 11 in contact with the side wall of the tunnel, so as to improve the sealing property of the cable trench.

[0037] Exemplarily, the contact surface of the sealing strip 111 and the lapping portion 11 is coated with a waterproof coating. When the top cover 1 is closed, the sealing strip 111 is compressed, and the inner wall of the cable trench is coated with an anti-corrosion coating to prolong the service life in a humid environment.

[0038] In the embodiment of the application, the sealing strip 111 is arranged on the side surface of the lapping portion 11 in contact with the side wall of the tunnel, so as to improve the sealing property of the cover plate, reduce the safety hazards of water or dust entering the cable trench during the construction of the tunnel to cause short circuit and leakage, reduce the component wear caused by the humid environment inside the cable trench, and reduce the maintenance frequency and cost.

[0039] In an embodiment, the locking structure 4 is arranged at the joint of the top cover 1 and the side cover plate 2, and the locking structure 4 comprises a lock catch 41 and a latch 42, wherein the lock catch 41 is arranged on the top cover 1, and the latch 42 is arranged on the side cover plate 2 and movably arranged in the lock catch 41.

[0040] In an embodiment, the latch 42 and the lock catch 41 are connected in an insertion manner, and used for locking the top cover 1 and the side cover plate 2.

[0041] In an embodiment, the latch 42 can be movably inserted into the lock catch 41, and the lock catch 41 and the latch 42 can be opened and closed at will, so as to adjust the locking state of the top cover 1 and the side cover plate 2. In this way, the top cover 1 and the side cover plate 2 can be more firmly connected together during normal use, and the top cover 1 can be quickly opened when the cable trench needs to be maintained, which is more convenient.

[0042] In an embodiment, the supporting rod 5 is arranged at the joint of the side cover plate 2 and the main body 12 in a telescopic manner, one end of the supporting rod 5 is connected with the main body 12, and the other end is connected with the side cover plate 2, and the supporting rod 5 is used for lifting up or retracting the top cover 1.

[0043] For example, the supporting rod 5 is a hydraulic spring supporting rod 5, the supporting rod 5 is telescopic and has a built-in locking function, and when the main body 12 is opened to a specific angle, the supporting rod 5 is automatically locked to prevent the main body 12 from being accidentally closed.

[0044] In an embodiment, the supporting rod 5 is arranged at the joint of the side cover plate 2 and the main body 12 in a telescopic manner, and can provide a supporting force when the main body 12 is opened, so as to reduce the force required when the main body 12 is opened and closed. In addition, the supporting rod 5 can provide a buffering effect when the main body 12 is closed, so as to reduce the situation that the main body 12 is accidentally closed and protect other components.

[0045] In an embodiment, the number of the auxiliary opening structures 3 is multiple, and the auxiliary opening structures 3 are arranged in the side cover plate 2 in a spaced manner along the extension direction of the tunnel.

[0046] In an embodiment, the number of the auxiliary opening structures 3 is multiple, and the auxiliary opening structures 3 are arranged in the side cover plate 2 in a spaced manner along the extension direction of the tunnel. In this way, the opening of the cable trench cover plate at different positions in the tunnel can be adapted, and the operating personnel can open the cable trench cover plate at different positions to perform maintenance work. In addition, the multiple auxiliary opening structures 3 are arranged in a spaced manner, and can work cooperatively when the cable trench is opened, so as to improve the work efficiency and maintain the stability between the side cover plate 2 and other structures.

[0047] In an embodiment, the first connecting assembly 61 and the second connecting assembly 62 are further arranged, the first connecting assembly 61 is respectively connected with the lap joint portion 11 and the main body 12, and the second connecting assembly 62 is respectively connected with the side cover plate 2 and the concrete structure of the tunnel bottom.

[0048] Exemplarily, the first connecting assembly 61 and the second connecting assembly 62 are made of corrosion-resistant stainless steel or galvanized material to ensure smooth operation during use.

[0049] In the embodiment of the application, the first connecting assembly 61 is connected with the lap joint part 11 and the main body part 12 respectively, and the second connecting assembly 62 is connected with the side cover plate 2 and the tunnel bottom concrete structure respectively. During the opening and closing of the top cover 1 and the side cover plate 2, the first connecting assembly 61 and the second connecting assembly 62 can bear the self-weight of the main body part 12 and the side cover plate 2 and external load, so that the overall structure can be enhanced, the wear of other components can be reduced, when the components of the top cover 1 or the side cover plate 2 need to be replaced, only the damaged components need to be disassembled, and the entire cable trench cover plate does not need to be replaced, thereby reducing the maintenance cost.

[0050] In an embodiment, the first connecting assembly 61 and the second connecting assembly 62 are both hinge structures.

[0051] In the embodiment of the application, the first connecting assembly 61 and the second connecting assembly 62 are both hinge structures, which can realize the relative rotation between the components connected with the first connecting assembly 61 and the second connecting assembly 62. In addition, the hinge has adjustability, can disperse the external load borne by the cable trench cover plate, adapt to certain deformation, and is convenient to install and disassemble, thereby reducing the maintenance cost.

[0052] In an embodiment, the first connecting assembly 61 and the second connecting assembly 62 are arranged at intervals along the tunnel extension direction.

[0053] In the embodiment of the application, the first connecting assembly 61 and the second connecting assembly 62 are arranged at intervals along the tunnel extension direction, which can adapt to the cable trench opening requirements at different positions in the tunnel, can enable the operating personnel to open the cable trench cover plate at different positions to perform maintenance work, and can make the internal force distribution of the cable trench cover plate more reasonable when bearing the load.

[0054] In the above technical solution of the utility model, the above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structural transformation made by using the utility model specification and the attached drawing contents or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A tunnel cable trough cover, characterized in that The utility model relates to a cable trench auxiliary opening structure, including side cover plate, top cover and auxiliary opening structure, wherein, The side cover plate is arranged on the side of the cable trench far from the side wall of the tunnel, extends vertically from the bottom plate of the cable trench and is rotatably connected with the bottom plate of the cable trench; The top cover is connected on the top of the side cover plate and covers the top of the cable trench; The auxiliary opening structure is connected with the side cover plate and extends vertically, and horizontal pushing of the auxiliary opening structure drives the side cover plate to rotate around the bottom of the cable trench to open the top cover.

2. The tunnel cable trough cover of claim 1, wherein, The top cover comprises a lapping part and a main body part arranged in sequence in the horizontal direction, the lapping part is used for lapping on the side wall of the cable trench close to the side wall of the tunnel, one end of the main body part is rotatably connected with the lapping part, and the other end of the main body part is detachably connected with the side cover plate.

3. The tunnel cable trough cover of claim 2, wherein, A sealing strip is arranged on the side of the lapping part in contact with the side wall of the tunnel to improve the sealing property of the cable trench.

4. The tunnel cable trough cover of claim 2, wherein, The utility model further comprises a locking structure installed at the connection between the top cover and the side cover plate, the locking structure comprises a lock catch and a bolt, the lock catch is installed on the top cover, the bolt is installed on the side cover plate, and the bolt is movably arranged in the lock catch.

5. The tunnel cable trough cover of claim 4, wherein, The connection mode of the bolt and the lock catch is plug-in connection for locking the top cover and the side cover plate.

6. The tunnel cable trough cover of claim 2, wherein, The utility model further comprises a supporting rod, the supporting rod is telescopically installed at the connection between the side cover plate and the main body part, one end of the supporting rod is connected with the main body part, the other end is connected with the side cover plate and is used for lifting or retracting the top cover.

7. The tunnel cable trough cover of claim 1, wherein, The number of the auxiliary opening structures is multiple, and the auxiliary opening structures are arranged in the side cover plate at intervals along the extension direction of the tunnel.

8. The tunnel cable trough cover of claim 2, wherein, The utility model further comprises a first connecting assembly and a second connecting assembly, the first connecting assembly is respectively connected with the lapping part and the main body part, and the second connecting assembly is respectively connected with the side cover plate and the concrete structure of the bottom of the tunnel.

9. The tunnel cable trough cover of claim 8, wherein, The first connecting assembly and the second connecting assembly are both hinge structures.

10. The tunnel cable trough cover of claim 9, wherein, The first connecting assembly and the second connecting assembly are arranged at intervals along the extension direction of the tunnel.

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