A windproof and sandproof cable trench cover assembly

Abstract

This utility model discloses a windproof and sand-proof cable trench cover assembly, including a cover body and a split-type fixing component. The cover body is a hollow straight-web plate with end caps at both ends. The split-type fixing component includes a first fixing profile, a second fixing profile, and an elastic snap-fit ​​component. The first and second fixing profiles are hollow structures, with protruding first and second snap-fit ​​portions on their opposing sides, respectively. The first fixing profile has through mounting holes at both ends, and the elastic snap-fit ​​component is placed within these holes. The elastic snap-fit ​​component includes a retractable top rod, with its front end extending from the inner side of the first snap-fit ​​portion. The cover body of this utility model is integrally extruded from aluminum alloy, balancing lightweight and compressive strength, making it less prone to deformation and saving transportation costs. Simultaneously, it effectively resists corrosive factors in the natural environment, solving the problem of easy corrosion of steel covers.

Description

Technical Field

[0001] This utility model belongs to the field of cable trench construction technology, and specifically relates to a cable trench cover assembly for wind and sand protection. Background Technology

[0002] In the field of cable laying, cable trench covers are key components that ensure cable safety and prevent external debris from entering the cable trench. Their performance directly affects the stable operation and maintenance efficiency of the cable trench. Traditional cable trench covers are mostly made of concrete or composite materials. However, concrete covers are too heavy, which not only increases the difficulty of transportation but also requires a lot of manpower and resources during installation, causing great inconvenience to construction. In addition, composite material covers also have the problem of being heavy, making installation and subsequent replacement more difficult.

[0003] Meanwhile, due to limitations in prefabrication precision and installation techniques, gaps inevitably exist between adjacent concrete cover plates. Under the continuous action of wind, these gaps form effective airflow channels, causing external dust to continuously penetrate into the cable trench. This intruding dust causes multiple hazards: it forms a contamination accumulation layer on the surface of cables and supports; it is susceptible to moisture in humid environments and may form localized conductive paths; and long-term accumulation accelerates equipment insulation aging, significantly increasing the risk of electrical failures. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a lightweight, easy-to-install, and long-service-life windproof and sandproof cable trench cover assembly.

[0005] Therefore, the technical solution of this utility model is: a cable trench cover assembly for wind and sand protection, comprising a cover body, a split fixing assembly, and a saddle. The cover body is a hollow straight web plate, and end caps are provided at both ends of the cover body. The split fixing assembly includes a first fixing profile, a second fixing profile, and an elastic snap-fit ​​component. The first fixing profile and the second fixing profile are hollow structures, and the opposing sides of the first fixing profile and the second fixing profile are respectively provided with a protruding first snap-fit ​​part and a second snap-fit ​​part, which cooperate with the snap-fit ​​edge on the top of the saddle. The first fixing profile has through mounting holes at both ends, and the elastic snap-fit ​​component is placed in the mounting holes. The elastic snap-fit ​​component includes a retractable top rod, the front end of which extends from the inner side of the first snap-fit ​​part.

[0006] Based on the above scheme and as a preferred embodiment of the above scheme: the plate pillow is divided into a first plate pillow and a second plate pillow arranged facing each other. The bottom of the first plate pillow and the second plate pillow are provided with mounting grooves, and the top side extends outward to form a retaining edge; the first retaining part and the second retaining part cooperate with the retaining edge.

[0007] Based on the above solution and as a preferred solution: the top of the first and second bed pads is fitted with a protective cover, which abuts against the cover body and is made of PVC material.

[0008] Based on the above scheme and as a preferred embodiment of the above scheme: the upper side of the first snap-fit ​​part is an inclined guide surface, and the angle between the guide surface and the vertical direction is 95°~100°.

[0009] Based on the above scheme and as a preferred embodiment: the first fixed profile is divided into three closed cavities by two vertical partitions; the elastic snap-fit ​​component also includes a spring and a spring mounting seat, the spring mounting seat is fixed to the first vertical partition, a limiting piece is fixed to the rear end of the push rod, the limiting piece is located between the first and second vertical partitions, the spring abuts against the spring mounting seat and the limiting piece, the spring drives the limiting piece to abut against the second vertical partition, and the front end of the push rod extends out.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: the cover plate body has mounting holes on both sides below, which are fixedly connected to the first fixing profile and the second fixing profile by bolts respectively; the length of the first fixing profile and the second fixing profile is the same as the width of the cover plate body, and the first fixing profile and the second fixing profile are flush with the edge of the cover plate body.

[0011] Based on the above scheme and as a preferred embodiment of the above scheme: both the first fixing profile and the second fixing profile extend downwards from opposite sides to form a rainproof eave, the width of which is 5mm and is flush with the side edge of the cover plate body.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme: the cover plate body has multiple square cavities inside, and the ends of the square cavities are sealed by plugs, and the plugs are made of plastic.

[0013] Based on the above scheme and as a preferred embodiment of the above scheme: the cover plate body is made of aluminum alloy and is integrally extruded, and the upper surface of the cover plate body is provided with anti-slip protrusions; the plate pillow, the first fixing profile, and the second fixing profile are all aluminum alloy profiles.

[0014] Based on the above scheme and as a preferred embodiment of the above scheme: the surfaces of the cover plate body, the plate pillow, the first fixing profile, and the second fixing profile are all coated with an anti-corrosion protective layer.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The cover plate body is made of one-piece extruded aluminum alloy with multiple square cavities inside. The ends are sealed with plastic plugs, which greatly reduces the amount of material used while ensuring lightweight and compressive strength, making it less prone to deformation. At the same time, the first and second fixing profiles are also hollow aluminum alloy structures, further reducing the overall weight and making transportation easier. No large hoisting equipment is needed during installation, and it can be easily moved manually, saving transportation costs. At the same time, it can also effectively resist corrosion factors in the natural environment, solving the problem of easy corrosion of steel cover plates.

[0017] 2. The upper side of the first snap-fit ​​part is an inclined guide surface, which can guide the position of the cover plate during installation, realizing one-step installation of "hooking and pressing" without the need for multiple position adjustments; the top rod of the elastic snap-fit ​​part automatically extends under the action of the spring, and quickly engages with the second snap-fit ​​part to fix it, eliminating the cumbersome steps of traditional welding or complex bolt connection.

[0018] 3. The top rod of the elastic snap-fit ​​component provides continuous elastic clamping force, which, combined with the rigid locking of the second snap-fit ​​part, forms an adaptive closed interface between the cover plate and the support beam with a gap of ≤0.5mm, effectively preventing sand and dust from entering; at the same time, the rainproof eaves on both sides of the first and second fixing profiles can prevent rainwater from seeping in; the plastic plug seals the end of the square cavity, further blocking the seepage path and preventing external debris and moisture from entering the cable trench, ensuring the safe operation of the cable.

[0019] 4. Both the pad and the cover plate are made of aluminum alloy. In order to eliminate the hard friction between the aluminum alloy parts, a PVC protective sleeve is set on the top of the pad to form a non-metallic buffer medium and reduce the wear rate. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is an exploded view of the parts of this utility model;

[0022] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0023] Figure 4 This is an exploded view of the elastic snap-fit ​​component of this utility model;

[0024] Figure 5 This is a structural schematic diagram of the first fixing profile of this utility model;

[0025] Figure 6 This is a structural schematic diagram of the second fixing profile of this utility model;

[0026] Figure 7 This is a schematic diagram of the installation of this utility model and the board pillow;

[0027] Figure 8 for Figure 7 A structural sectional view.

[0028] The markings in the diagram are as follows: cover plate body 1, square cavity 11, anti-slip protrusion 12, plug 2, first fixing profile 3, first snap-fit ​​part 31, guide surface 32, vertical partition 33, second vertical partition 34, mounting hole 35, second fixing profile 4, second snap-fit ​​part 41, elastic snap-fit ​​part 5, top rod 51, limit piece 52, spring 53, spring mounting seat 54, first bolt 55, rainproof eaves 6, first plate pillow 71, second plate pillow 72, snap edge 73, mounting groove 74, protective sleeve 75. Detailed Implementation

[0029] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0031] See the attached drawings. The windproof and sand-proof cable trench cover assembly described in this embodiment includes a cover body 1 and a separate fixing assembly. The cover body 1 is an integrally extruded hollow straight-web aluminum alloy plate, and its surface is coated with an anti-corrosion protective layer to extend its service life. The cover body 1 has multiple square cavities 11 inside, with the ends of the square cavities 11 sealed by plugs 2, which are made of plastic. The upper surface of the cover body 1 has anti-slip protrusions 12 to increase friction, prevent pedestrians or workers from slipping, and improve safety. Mounting holes are provided on both sides of the lower part of the cover body 1, which are fixedly connected to the separate fixing assembly by bolts.

[0032] The split-type fixing assembly includes a first fixing profile 3, a second fixing profile 4, and an elastic snap-fit ​​component 5. The first fixing profile 3 and the second fixing profile 4 are hollow, irregularly shaped aluminum alloy profiles with an anti-corrosion protective layer coated on their surfaces. The two sides of the cover plate body 1 are respectively fixedly connected to the first fixing profile 3 and the second fixing profile 4 by bolts. The lengths of the first fixing profile 3 and the second fixing profile 4 are the same as the width of the wide side of the cover plate body 1. A rainproof eave 6 extends downward from opposite sides of the first fixing profile 3 and the second fixing profile 4. The width of the rainproof eave 6 is 5mm, and it is flush with the side edge of the cover plate body 1.

[0033] The first fixing profile 3 has a protruding first snap-fit ​​portion 31 on the side facing the second fixing profile 4. The radial cross-section of the first snap-fit ​​portion 31 is trapezoidal, and the upper side of the first snap-fit ​​portion 31 is an inclined guide surface 32. The angle between the guide surface 32 and the vertical direction is 95°~100°. When snapped onto the first plate rest 71, the guide surface 32 can guide the position of the cover plate. The second fixing profile 4 has a protruding second snap-fit ​​portion 41 on the side facing the first fixing profile 3. The radial cross-section of the second snap-fit ​​portion 41 is rectangular, and the upper end surface is horizontal, which can form a rigid snap-fit ​​with the snap-fit ​​edge 73 of the second plate rest 72.

[0034] The first fixing profile 3 is divided into three closed cavities by the first vertical partition 33 and the second vertical partition 34. The first fixing profile 3 has through mounting holes 35 at both ends, that is, the inner side, the first vertical partition 33, the second vertical partition 34 and the outer side of the first fixing profile 3 are all penetrated in sequence, and the elastic snap-fit ​​5 is placed in the mounting hole 35.

[0035] The elastic snap-fit ​​component 5 includes a push rod 51, a limiting piece 52, a spring 53, and a spring mounting base 54. The spring mounting base 54 is fixed to the inner side of the first vertical partition 33 by a first bolt 55, and a first spring positioning post is provided on the spring mounting base 54. The limiting piece 53 has a screw hole on one side for threaded fixation to the push rod 51, and a second spring positioning post on the other side. The limiting piece 52 is located between the first vertical partition 33 and the second vertical partition 34, and the spring 53 abuts against the first spring positioning post of the spring mounting base 54 and the second spring positioning post of the limiting piece 52. The elastic force of the spring 53 drives the limiting piece 52 to move forward and abut against the second vertical partition 34, so that the front end of the push rod 51 extends out from the inner side of the first snap-fit ​​part 31.

[0036] In this embodiment, the first fixing profile 3 and the second fixing profile 4 work in conjunction with the first plate pillow 71 and the second plate pillow 72. The bottom of the first plate pillow 71 and the second plate pillow 72 are provided with mounting grooves 74, which can be fixed to the top of the wall panel of the cable trench. The top sides of the first plate pillow 71 and the second plate pillow 72 extend outward with locking edges 73; the first locking part is restricted to move upward by the locking edge 73 of the first plate pillow 71, and the second locking part is restricted to move upward by the locking edge 73 of the second plate pillow 72, thereby fixing the cover plate body to the top of the cable trench.

[0037] The top of the first plate pillow 71 and the second plate pillow 72 are fitted with protective sleeves 75, which also cover the edge 73. The protective sleeves 75 abut against the cover plate body 1 and are made of PVC material, which can eliminate the metal hard friction between the plate pillow and the cover plate body, forming a non-metallic buffer medium and reducing the wear rate.

[0038] During installation, the side containing the first fixing profile 3 is first placed on the first plate pillow 71, so that the first snap-fit ​​part 31 of the first fixing profile 3 hooks onto the snap edge 73 of the first plate pillow 71 (the snap edge 73 is provided with a protective sleeve 75 on the outside); then, the cover plate body 1 is pulled towards the second plate pillow 72, so that the push rod 51 retracts inward, compressing the spring 53 to its limit, and the second fixing profile 4 is placed on the side of the second plate pillow 72. After releasing, the spring 53 drives the push rod 51 to pop outward, and the push rod 51 abuts against the first plate pillow 71. Under the reaction force, it drives the cover plate body 1 to move back, so that the second snap-fit ​​part 41 of the second fixing profile 4 is inserted into the snap edge 73 of the second plate pillow 72 (the snap edge 73 is provided with a protective sleeve 75 on the outside), thereby forming a pressing and sealing fixing structure.

[0039] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A windproof and sand-proof cable trench cover assembly, characterized in that: The device includes a cover plate body, a split-type fixing assembly, and a plate rest. The cover plate body is a hollow straight web plate with end caps at both ends. The split-type fixing assembly includes a first fixing profile, a second fixing profile, and an elastic snap-fit ​​component. The first and second fixing profiles are hollow structures, and the opposing sides of the first and second fixing profiles are respectively provided with a first snap-fit ​​portion and a second snap-fit ​​portion, which cooperate with the snap-fit ​​edge on the top of the plate rest. The first fixing profile has through mounting holes at both ends, and the elastic snap-fit ​​component is placed in the mounting holes. The elastic snap-fit ​​component includes a retractable top rod, the front end of which extends from the inner side of the first snap-fit ​​portion.

2. The windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: The plate pillow is divided into a first plate pillow and a second plate pillow arranged facing each other. The bottom of the first plate pillow and the second plate pillow are provided with mounting grooves, and the top side extends outward with a retaining edge; the first retaining part and the second retaining part cooperate with the retaining edge.

3. The windproof and sand-proof cable trench cover assembly as described in claim 2, characterized in that: The top of the first and second pillows is fitted with a protective cover, which abuts against the cover body and is made of PVC.

4. The windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: The upper side of the first snap-fit ​​part is an inclined guide surface, and the angle between the guide surface and the vertical direction is 95°~100°.

5. The windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: The first fixed profile is divided into three closed cavities by two vertical partitions; the elastic snap-fit ​​component also includes a spring and a spring mounting seat. The spring mounting seat is fixed to the first vertical partition, and a limiting piece is fixed to the rear end of the push rod. The limiting piece is located between the first vertical partition and the second vertical partition. The spring abuts against the spring mounting seat and the limiting piece. The spring drives the limiting piece to abut against the second vertical partition, and the front end of the push rod extends out.

6. The windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: The cover plate body has mounting holes on both sides below, which are fixedly connected to the first fixing profile and the second fixing profile by bolts respectively; the length of the first fixing profile and the second fixing profile is the same as the width of the cover plate body, and the first fixing profile and the second fixing profile are flush with the edge of the cover plate body.

7. The windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: Both the first and second fixed profiles have a rainproof eave extending downwards from opposite sides. The width of the rainproof eave is 5mm and it is flush with the side of the cover plate body.

8. The windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: The cover plate body has multiple square cavities inside, and the ends of the square cavities are sealed by plugs, which are made of plastic.

9. A windproof and sand-proof cable trench cover assembly as described in claim 1, characterized in that: The cover plate body is made of aluminum alloy and is integrally extruded, and the upper surface of the cover plate body is provided with anti-slip protrusions; the plate pillow, the first fixing profile, and the second fixing profile are all aluminum alloy profiles.

10. A windproof and sand-proof cable trench cover assembly as described in claim 7, characterized in that: The surfaces of the cover plate body, the plate pillow, the first fixing profile, and the second fixing profile are all coated with an anti-corrosion protective layer.

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