Steel grating well lid with anti-skid function

Abstract

The utility model relates to the technical field of well lids, in particular to a steel grating well lid with an anti-skidding function, which comprises a well lid main body, the well lid main body comprises a steel frame ring and a well lid plate, a well lid plate pin shaft is arranged on the steel frame ring, a cavity is arranged on the steel frame ring, a fixed seat extending into the cavity is arranged on the well lid plate, a guide rod is fixedly arranged in the steel frame ring, and the guide rod is fixedly arranged on the well lid plate. The guide rods are slidably sleeved with guide blocks, and first springs are welded between the guide blocks and the steel frame ring. According to the anti-skid well lid, the well lid plate deflects and applies pressure to the pressure applying rod, so that the limiting rod extends out of the steel frame ring and extends into the clamping groove, preliminary connection between the steel frame ring and the fixing base is achieved, the surface of the well lid plate can be uneven through the anti-skid table, and then the well lid plate has the anti-skid effect; the semicircular disc is driven by the rotating shaft to extend into the limiting cavity, and the triangular frame is limited through the reinforcing plate, so that the steel frame ring and the well lid plate are limited, and the stability of the well lid plate after installation is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a steel grating manhole cover with an anti-slip function. Background Art

[0002] There will be a large number of underground pipelines in urban construction. These pipelines must have an exit leading to the ground at intervals, and manhole covers will be installed on the exits. Manhole covers are usually made of reinforced cement, metal, reinforced plastic and other materials. The shapes are mainly round and square. Anti-slip bumps will be set on the manhole covers to achieve the anti-slip function.

[0003] When the manhole cover is installed in the well, it often encounters rainy weather, and the change of external air pressure will cause the pressure in the well to change. The connection between the manhole cover and the steel frame ring is limited, which causes the manhole cover to lift up and move when in use. If the manhole cover encounters a moving vehicle after it lifts up, it will cause a certain impact on the vehicle, thus affecting the safety of the driver; and because a certain gap will be generated between the manhole cover and the steel frame ring when it moves, pedestrians on the road may step into the gap when walking, making it impossible to guarantee safety when walking on the road. Utility Model Content

[0004] The utility model aims to solve the problem of displacement and overturning between the manhole cover and the steel frame ring in the prior art, and proposes a steel grating manhole cover with an anti-slip function.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A steel grating manhole cover with anti-slip function comprises a manhole cover body, the manhole cover body comprises a steel frame ring and a manhole cover plate, the manhole cover plate pin is installed on the steel frame ring, a cavity is opened on the steel frame ring, and a fixing seat extending into the cavity is provided on the manhole cover plate, a guide rod is fixedly installed in the steel frame ring, and a sliding sleeve on the guide rod is provided with a guide block, a spring 1 is welded between the guide block and the steel frame ring, a pressure rod connected to the guide block is provided in the sliding sleeve in the steel frame ring, a sliding sleeve in the steel frame ring is provided with a slider, and a spring 2 is welded between the slider and the steel frame ring, a limiting rod that is movably resisted by the pressure rod is fixedly installed on the slider, a support rod that is movably resisted by the pressure rod is fixedly installed on the manhole cover plate, and a reinforcement component for reinforcing the manhole cover plate is installed on the steel frame ring.

[0007] Preferably, the guide rod is vertically arranged, the spring is vertically welded, and the pressure rod is vertically arranged.

[0008] Preferably, the limiting rod is horizontally arranged below the pressure rod, and a slot corresponding to the limiting rod is provided on the fixing seat, and corresponding inclined surfaces are provided on the pressure rod and the limiting rod.

[0009] Preferably, the spring is welded horizontally, and a positioning bolt corresponding to the pressure rod is threadedly connected to the support rod.

[0010] Preferably, the reinforcement assembly includes a rotating shaft rotatably mounted on a steel frame ring, and a semi-circular disk corresponding to the manhole cover plate is fixedly mounted on the rotating shaft, a tripod is fixedly mounted on the semi-circular disk, and a reinforcement plate corresponding to the tripod is placed on the steel frame ring.

[0011] Preferably, the rotating shaft is arranged vertically, the reinforcing plate is a V-shaped structure adapted to the tripod, and a limiting cavity corresponding to the semi-circular disk is opened on the manhole cover plate.

[0012] Preferably, the manhole cover is provided with evenly distributed anti-skid platforms, and the anti-skid platforms include anti-skid protrusions and anti-skid patterns.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The utility model applies pressure to the pressure rod through the deflection of the manhole cover plate. When the pressure rod moves downward, it applies pressure to the limit rod through the inclined surface, so that the limit rod extends out of the steel frame ring and extends into the slot, thereby achieving a preliminary connection between the steel frame ring and the fixed seat. The surface of the manhole cover plate can be made uneven through the anti-skid platform, thereby making the manhole cover plate have an anti-skid effect.

[0015] 2. The utility model drives the semi-circular disk to extend into the limiting cavity through the rotating shaft, and limits the tripod through the reinforcing plate, thereby limiting the steel frame ring and the manhole cover plate, thereby ensuring the stability of the manhole cover plate after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a steel grating manhole cover with anti-slip function proposed by the utility model;

[0017] Figure 2 This is a cross-sectional view of a steel grating manhole cover with anti-slip function proposed by the utility model;

[0018] Figure 3 For this utility model Figure 2 A is a magnified schematic diagram of the structure;

[0019] Figure 4 A side sectional view of a steel grating manhole cover with anti-slip function proposed by the utility model;

[0020] Figure 5 For this utility model Figure 4 A schematic diagram of the structure of B in the middle;

[0021] Figure 6 A schematic diagram of an anti-skid platform of a steel grating manhole cover with an anti-skid function proposed by the utility model.

[0022] In the figure: 1, steel frame ring; 101, cavity; 2, manhole cover; 201, fixed seat; 3, guide rod; 4, guide block; 5, spring 1; 6, pressure rod; 7, slider; 8, limit rod; 9, spring 2; 10, support rod; 11, slot; 12, limit cavity; 13, rotating shaft; 14, semi-circular disk; 15, tripod; 16, reinforcement plate; 17, anti-slip table; 1701, anti-slip bumps; 1702, anti-slip patterns. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the embodiments.

[0024] Reference Figure 1-Figure 6 A steel grating manhole cover with anti-slip function, comprising a manhole cover body, the manhole cover body comprising a steel frame ring 1 and a manhole cover plate 2, the manhole cover plate 2 is pin-mounted on the steel frame ring 1, a cavity 101 is opened on the steel frame ring 1, and a fixing seat 201 extending into the cavity 101 is provided on the manhole cover plate 2;

[0025] The manhole cover 2 is provided with uniformly distributed anti-skid platforms 17, and the anti-skid platforms 17 include anti-skid convex points 1701 and anti-skid patterns 1702. The anti-skid convex points 1701 and the anti-skid patterns 1702 cooperate with each other to make the surface of the manhole cover 2 uneven, so that people will not slip when walking. The anti-skid platforms 17 are cut by laser to form a protruding pattern on the surface of the manhole cover 2, thereby achieving an anti-skid effect;

[0026] A guide rod 3 is fixedly installed in the steel frame ring 1, and a guide block 4 is provided on the guide rod 3 in a sliding sleeve. A spring 5 is welded between the guide block 4 and the steel frame ring 1. A pressure rod 6 connected to the guide block 4 is provided in the sliding sleeve of the steel frame ring 1. The guide rod 3 is vertically arranged, and the spring 5 is vertically welded. The guide rod 3 guides the guide block 4, so that the guide block 4 can smoothly pull the pressure rod 6 when moving. The spring 5 resets the pressure rod 6. When the pressure rod 6 is in an unloaded state, the spring 5 can drive the pressure rod 6 back to the initial position.

[0027] The pressure rod 6 is arranged vertically, a sliding block 7 is provided in the steel frame ring 1, and a spring 9 is welded between the sliding block 7 and the steel frame ring 1, a limiting rod 8 is fixedly installed on the sliding block 7 to resist the pressure rod 6, the limiting rod 8 is horizontally arranged below the pressure rod 6, and a slot 11 corresponding to the limiting rod 8 is opened on the fixed seat 201;

[0028] By deflecting the manhole cover plate 2 and driving the support rod 10 to move downward, the pressure rod 6 can apply pressure to the limit rod 8 through the change of the inclined surface position when moving downward. After being stressed, the limit rod 8 can extend to the slot 11 in the fixing seat 201, thereby achieving a preliminary connection between the steel frame ring 1 and the fixing seat 201;

[0029] The pressure rod 6 and the limiting rod 8 are both provided with corresponding inclined surfaces, a support rod 10 that is movably opposed to the pressure rod 6 is fixedly installed on the manhole cover 2, a spring 9 is horizontally welded, and a positioning bolt corresponding to the pressure rod 6 is threadedly connected on the support rod 10, and the steel frame ring 1 guides the slider 7, so that the slider 7 can smoothly pull the limiting rod 8 when moving;

[0030] A reinforcement component for reinforcing the manhole cover plate 2 is installed on the steel frame ring 1;

[0031] The reinforcement assembly includes a rotating shaft 13 rotatably mounted on the steel frame ring 1, and a semicircular disc 14 corresponding to the manhole cover plate 2 is fixedly mounted on the rotating shaft 13, a tripod 15 is fixedly mounted on the semicircular disc 14, a reinforcement plate 16 corresponding to the tripod 15 is placed on the steel frame ring 1, the rotating shaft 13 is vertically arranged, the reinforcement plate 16 is a V-shaped structure adapted to the tripod 15, and a limiting cavity 12 corresponding to the semicircular disc 14 is opened on the manhole cover plate 2;

[0032] The semi-circular disk 14 is driven to rotate by the rotating shaft 13. The semi-circular disk 14 can extend to the limiting cavity 12 in the manhole cover 2 during rotation. The structure of the reinforcing plate 16 can limit the tripod 15, and then limit the rotating shaft 13 and the semi-circular disk 14, so that an effective connection is achieved between the steel frame ring 1 and the manhole cover 2, thereby ensuring the overall stability of the manhole cover body.

[0033] The functional principle of the utility model can be explained through the following operation modes:

[0034] The steel frame ring 1 is installed on the foundation, and the manhole cover plate 2 is pulled to deflect. After the manhole cover plate 2 deflects, the fixing seat 201 is driven to correspond to the cavity 101, and the anti-slip platform 17 can achieve an anti-slip effect;

[0035] When the manhole cover plate 2 is deflected, the support rod 10 is driven to move downward, and the support rod 10 resists the pressure rod 6 to move downward, and the pressure rod 6 drives the guide block 4 to slide on the guide rod 3. The spring 1 5 is stressed, so that the pressure rod 6 moves downward and applies pressure to the limit rod 8 below through the inclined surface, so that the limit rod 8 drives the slider 7 to slide in the steel frame ring 1. The spring 2 9 is stressed, so that the limit rod 8 extends out of the steel frame ring 1 and extends into the card slot 11, and the support rod 10 and the pressure rod 6 are connected by a positioning bolt;

[0036] The traction shaft 13 is deflected, and the shaft 13 drives the semi-circular disk 14 to rotate and extend into the limiting cavity 12 in the manhole cover plate 2, and the reinforcement plate 16 is installed in the steel frame ring 1, so that the reinforcement plate 16 can limit the tripod 15.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steel grating manhole cover with anti-slip function, comprising a manhole cover body, the manhole cover body comprising a steel frame ring (1) and a manhole cover plate (2), the manhole cover plate (2) having a pin shaft mounted on the steel frame ring (1), the steel frame ring (1) having a cavity (101) formed thereon, and the manhole cover plate (2) having a fixing seat (201) extending into the cavity (101), characterized in that: A guide rod (3) is fixedly installed in the steel frame ring (1), and a guide block (4) is provided on the sliding sleeve of the guide rod (3), a spring 1 (5) is welded between the guide block (4) and the steel frame ring (1), a pressure rod (6) connected to the guide block (4) is provided on the sliding sleeve of the steel frame ring (1), a slider (7) is provided on the sliding sleeve of the steel frame ring (1), and a spring 2 (9) is welded between the slider (7) and the steel frame ring (1), a limit rod (8) that is movably opposed to the pressure rod (6) is fixedly installed on the slider (7), a support rod (10) that is movably opposed to the pressure rod (6) is fixedly installed on the manhole cover (2), and a reinforcement component for reinforcing the manhole cover (2) is installed on the steel frame ring (1).

2. The steel grating manhole cover with anti-slip function according to claim 1 is characterized in that: The guide rod (3) is arranged vertically, the spring one (5) is welded vertically, and the pressure rod (6) is arranged vertically.

3. The steel grating manhole cover with anti-slip function according to claim 1 is characterized in that: The limiting rod (8) is horizontally arranged below the pressure rod (6), and a slot (11) corresponding to the limiting rod (8) is provided on the fixing seat (201), and corresponding inclined surfaces are provided on the pressure rod (6) and the limiting rod (8).

4. The steel grating manhole cover with anti-slip function according to claim 1 is characterized in that: The second spring (9) is welded horizontally, and a positioning bolt corresponding to the pressure rod (6) is threadedly connected to the support rod (10).

5. The steel grating manhole cover with anti-slip function according to claim 1 is characterized in that: The reinforcement assembly comprises a rotating shaft (13) rotatably mounted on a steel frame ring (1), a semi-circular disc (14) corresponding to the manhole cover plate (2) being fixedly mounted on the rotating shaft (13), a tripod (15) being fixedly mounted on the semi-circular disc (14), and a reinforcement plate (16) corresponding to the tripod (15) being placed on the steel frame ring (1).

6. The steel grating manhole cover with anti-slip function according to claim 5, characterized in that: The rotating shaft (13) is arranged vertically, the reinforcing plate (16) is a V-shaped structure adapted to the tripod (15), and a limiting cavity (12) corresponding to the semi-circular disk (14) is provided on the manhole cover plate (2).

7. The steel grating manhole cover with anti-slip function according to claim 1 is characterized in that: The manhole cover plate (2) is provided with evenly distributed anti-skid platforms (17), and the anti-skid platforms (17) include anti-skid protrusions (1701) and anti-skid patterns (1702).

Images