Safety type fire-fighting deep well lid

Abstract

The utility model discloses a safety type fire-fighting deep well lid in the technical field of fire fighting, which comprises a well lid fixing part and a well lid body, the well lid body covers the top opening of the well lid fixing part, two groups of slide rails are arranged below the well lid fixing part, a connecting rod is fixedly connected between the slide rails and the well lid fixing part, and the connecting rod is fixedly connected with the well lid fixing part. Sliding rods are slidably connected to the two sets of sliding rails, and an anti-falling basket is fixedly connected between the two sets of sliding rods. The anti-falling basket is simple in structure, the position of the sliding rod can be limited by screwing the fixing bolt, the anti-falling function of the anti-falling basket is achieved, when a worker needs to go down to a well for overhaul, the fixing bolt can be loosened, the anti-falling basket can be pushed, the sliding rod slides relative to the sliding rail, a well mouth is avoided, and the worker can go down to the well conveniently; through the limiting fixing ring and the ring groove, the contact area of the well lid fixing part and the well lid body can be increased, so that the well lid fixing part and the well lid body are connected more tightly, and the well lid body cannot be turned up easily.

Description

Technical Field

[0001] The utility model relates to the technical field of fire protection, in particular to a safety fire protection deep well cover. Background Art

[0002] The fire manhole cover is a manhole cover used for fire fighting facilities. It needs to have certain characteristics to meet the needs of fire fighting work. The fire manhole cover should have sufficient load-bearing capacity to withstand the weight of fire fighting equipment, personnel and materials, while also considering the use environment and the influence of other external loads. According to different use occasions, the load-bearing capacity of the fire manhole cover should comply with relevant standards and regulations.

[0003] The anti-fall nets of existing fire manhole covers are all installed in a vertical fixed manner. When maintenance personnel go down the well, they need to disassemble and remove the anti-fall nets, which is time-consuming and labor-intensive.

[0004] Based on this, the utility model designs a safe fire-fighting deep manhole cover to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a safe fire-fighting deep manhole cover to solve the problem that the anti-falling nets of the existing fire-fighting manhole covers proposed in the above-mentioned background technology are all installed in a vertical fixed manner, and maintenance personnel need to disassemble and take out the anti-falling nets when going down the well, which is time-consuming and labor-intensive.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safe fire-fighting deep manhole cover, comprising a manhole cover fixing part and a manhole cover body, the manhole cover body covers the top opening of the manhole cover fixing part, two groups of slide rails are arranged below the manhole cover fixing part, connecting rods are fixedly connected between the slide rails and the manhole cover fixing part, slide rods are slidably connected to the two groups of slide rails, and an anti-fall basket is fixedly connected between the two groups of slide rods.

[0007] Preferably, the middle portion of the connecting rod is bent outward, and the connecting rod is fixedly connected to the manhole cover fixing portion and the slide rail by bolts.

[0008] Preferably, a fixing bolt for fixing the slide rod is screwed on the top of the slide rail.

[0009] Preferably, a limiting fixing ring protruding upward is provided at the point where the top of the manhole cover fixing portion abuts against the manhole cover body, and a ring groove cooperating with the limiting fixing ring is provided at the bottom of the manhole cover body.

[0010] Preferably, the anti-fall basket comprises an upper circular ring and a lower circular ring, side rails arranged in a circular array are connected between the upper circular ring and the lower circular ring, and a hollow blocking net is arranged in the middle of the lower circular ring.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a simple structure, and the position of the slide bar can be limited by tightening the fixing bolts to realize the anti-fall function of the anti-fall basket. When the staff needs to go down the well for maintenance, the fixing bolts can be loosened to push the anti-fall basket, so that the slide bar slides relative to the slide rail and makes way for the wellhead, making it convenient for the staff to go down the well; the contact area between the manhole cover fixing part and the manhole cover body can be increased by the limiting fixing ring and the ring groove, so that the manhole cover fixing part and the manhole cover body are more tightly connected, and the manhole cover body will not be easily flipped up.

[0012] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the manhole cover fixing part and the manhole cover body of the utility model;

[0016] Figure 3 It is a cross-sectional view of the manhole cover fixing part and the manhole cover body of the utility model.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0018] 1-manhole cover fixing part, 2-manhole cover body, 3-slide rail, 4-connecting rod, 5-slide rod, 6-anti-fall basket, 7-fixing bolt, 9-limit fixing ring, 10-ring groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3The utility model provides a technical solution for a safe fire-fighting deep manhole cover: a safe fire-fighting deep manhole cover, comprising a manhole cover fixing part 1 and a manhole cover body 2, the manhole cover body 2 covers the top opening of the manhole cover fixing part 1, two groups of slide rails 3 are arranged under the manhole cover fixing part 1, a connecting rod 4 is fixedly connected between the slide rails 3 and the manhole cover fixing part 1, slide rods 5 are slidably connected to the two groups of the slide rails 3, and an anti-fall basket 6 is fixedly connected between the two groups of the slide rods 5.

[0021] Preferably, the middle portion of the connecting rod 4 is bent outward, and the connecting rod 4 is fixedly connected to the manhole cover fixing portion 1 and the slide rail 3 by bolts; this facilitates disassembly and assembly, and avoids affecting the installation of the anti-fall basket 6 due to the small opening of the fire manhole.

[0022] Preferably, the top of the slide rail 3 is screwed with a fixing bolt 7 for fixing the slide rod 5. By tightening the fixing bolt 7, the position of the slide rod 5 can be limited to achieve the anti-fall function of the anti-fall basket 6. When the staff needs to go down the well for maintenance, the fixing bolt 7 can be loosened to push the anti-fall basket 6, so that the slide rod 5 slides relative to the slide rail 3 and makes way for the wellhead, making it convenient for the staff to go down the well.

[0023] Preferably, a limiting fixing ring 9 protruding upward is provided at the place where the top of the manhole cover fixing part 1 and the manhole cover body 2 abut against each other, and an annular groove 10 cooperating with the limiting fixing ring 9 is provided at the bottom of the manhole cover body 2; the limiting fixing ring 9 and the annular groove 10 can increase the contact area between the manhole cover fixing part 1 and the manhole cover body 2, so that the manhole cover fixing part 1 and the manhole cover body 2 are more tightly connected, the manhole cover body 2 will not flip up easily, and the shaking of the manhole cover body 2 can be avoided.

[0024] Preferably, the anti-fall basket 6 includes an upper ring and a lower ring, and side rails arranged in a circular array are connected between the upper ring and the lower ring. A hollow blocking net is arranged in the middle of the lower ring. This structure can play a good protective role in preventing objects or people from falling.

[0025] A specific application of this embodiment is: the utility model is a safe fire-fighting deep manhole cover. By tightening the fixing bolts 7, the position of the slide bar 5 can be limited to realize the anti-fall function of the anti-fall basket 6. When the staff needs to go down the well for inspection, the fixing bolts 7 can be loosened to push the anti-fall basket 6, so that the slide bar 5 slides relative to the slide rail 3 to make way for the wellhead, making it convenient for the staff to go down the well; through the limiting fixing ring 9 and the ring groove 10, the contact area between the manhole cover fixing part 1 and the manhole cover body 2 can be increased, so that the manhole cover fixing part 1 and the manhole cover body 2 are more tightly connected, and the manhole cover body 2 will not be easily flipped up.

[0026] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A safe fire-fighting deep manhole cover, comprising a manhole cover fixing portion (1) and a manhole cover body (2), characterized in that: The manhole cover body (2) covers the top opening of the manhole cover fixing part (1), two groups of slide rails (3) are arranged below the manhole cover fixing part (1), a connecting rod (4) is fixedly connected between the slide rails (3) and the manhole cover fixing part (1), slide rods (5) are slidably connected to the two groups of slide rails (3), and an anti-fall basket (6) is fixedly connected between the two groups of slide rods (5).

2. A safety fire-fighting deep manhole cover according to claim 1, characterized in that: The middle portion of the connecting rod (4) is bent outward, and the connecting rod (4) is fixedly connected to the manhole cover fixing portion (1) and the slide rail (3) by means of bolts.

3. A safety fire-fighting deep manhole cover according to claim 1, characterized in that: A fixing bolt (7) for fixing the slide rod (5) is screwed onto the top of the slide rail (3).

4. A safety fire-fighting deep manhole cover according to claim 1, characterized in that: A limiting fixing ring (9) protruding upward is provided at the point where the top of the manhole cover fixing part (1) abuts against the manhole cover body (2), and a ring groove (10) cooperating with the limiting fixing ring (9) is provided at the bottom of the manhole cover body (2).

5. The safety fire-fighting deep manhole cover according to claim 1 is characterized in that: The anti-fall basket (6) comprises an upper circular ring and a lower circular ring, side rails arranged in a circular array are connected between the upper circular ring and the lower circular ring, and a hollow blocking net is arranged in the middle of the lower circular ring.

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