CN207469291U - A kind of ventilation of underground pipe gallery and escape structure - Google Patents

Abstract

The utility model relates to a ventilation and escape structure for an underground pipe gallery, which belongs to the technical field of underground buildings, and includes an underground pipe gallery wall, an inspection cabin, an explosion-proof layer, an inspection driveway, an inspection vehicle, an electric rising floor, a high-strength steel strand, and a crane port , ventilation cabin, large exhaust ventilator, steel bracket, etc. The underground pipe gallery is divided into upper, middle and lower floors. There is an inspection cabin in the middle of the upper floor, ventilation cabins are set on the left and right sides, and an explosion-proof layer is installed on the inner wall of the inspection cabin. For the maintenance lane, a crane port is set in each safety section, and a first cover plate is provided above the crane port, and an electric rising bottom plate is installed at the corresponding place below each crane port, connected to the crane port with high-strength steel strands, and the electric lifting bottom plate is The maintenance lane is connected with it as a whole, and it is separated and detachable from other parts of the maintenance lane. The utility model has the advantages of combining the functions of ventilation and escape, meeting the safety requirements, and at the same time reducing the engineering cost to the greatest extent, and has strong practicability.

Description

A ventilation and escape structure for an underground utility gallery

technical field

The utility model belongs to the technical field of underground buildings, in particular to a ventilation and escape structure for an underground pipe gallery.

Background technique

With the continuous advancement of contemporary science and technology, the existence of objective problems such as the functional requirements of urban living environment, the balance between energy shortage and environmental protection, and the expansion of new areas for the overall coordinated development of old city cultural protection areas and new urban areas, etc., all require Urban infrastructure is on the road to technological integration. According to the regulations, the integrated pipe gallery must be equipped with many nodes such as ventilation openings, personnel entrances and exits, pipeline outlets, and feeding ports. At the same time, from the perspective of ensuring the safety of inspection and maintenance construction personnel in the comprehensive escape port.

It can be seen that various nodes are arranged at intervals without reasonable unified coordination, which makes various maintenance shafts, air shafts, entrances and exits and other facilities exposed to the ground densely distributed along the comprehensive pipe corridor. The urban landscape, city appearance environment, etc. caused a great impact, and then deviated from the original intention of the comprehensive utility corridor to improve urban roads and landscapes, and the social impact was relatively poor.

Therefore, how to reasonably unify and coordinate the above nodes, especially the ventilation openings and escape openings, is a difficult problem in the design of the underground comprehensive pipe gallery.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a ventilation and escape structure for an underground pipe gallery, which can realize the unified coordination of the ventilation opening and the escape opening, optimize the node design, and improve the impact of the comprehensive pipe gallery nodes on urban roads. and landscape effects.

The technical scheme that the utility model adopts is as follows:

The utility model relates to a ventilation and escape structure for an underground pipe gallery, which includes an underground pipe gallery wall, an inspection cabin, an explosion-proof layer, an inspection driveway, an inspection vehicle, an electric rising floor, high-strength steel strands, a crane port, a first cover plate, and a ventilation system. Cabin, large exhaust ventilator, steel bracket, exhaust port, metal shutter, second cover plate, first pipeline compartment, second pipeline compartment, first drainage compartment, second drainage compartment, water outlet, metal grid drainage board, straight ladder, hatch and safety section; the underground pipe gallery is divided into upper, middle and lower layers, with an inspection cabin in the middle of the upper layer, ventilation cabins on the left and right sides, an explosion-proof layer on the inner wall of the inspection cabin, and an inspection lane at the bottom. A crane opening is set in each safety section, and a first cover plate is provided above the crane opening, and an electric rising bottom plate is installed at the corresponding place below each crane opening, which is connected to the crane opening with high-strength steel strands. In each safety section of the ventilation cabin Set the exhaust port, the second cover plate is set above the exhaust port, the metal shutters are set on the left and right sides, and the large exhaust ventilator and steel bracket are set under the exhaust port; the middle layer of the underground pipe gallery is divided into the first The first pipeline cabin, the second pipeline cabin, and the first pipeline cabin. Straight ladders are installed inside the three cabins, and the positions correspond to the positions of the hatch doors on the bottom of the three cabins on the upper floor of the underground pipe gallery; the lower floor of the underground pipe gallery is divided into The first drainage cabin, the second drainage cabin, the first drainage cabin, and the top of the three cabins are equipped with metal grid drainage boards, which are connected with the three cabins in the middle layer of the underground pipe corridor. Set up the drain outlet, and set it at intervals within the safety section.

Further, the electric rising bottom plate in the maintenance cabin is controlled by the switches inside and outside the cabin in parallel, the ground at the electric rising bottom plate is sunken downwards, the upper surface of the electric rising bottom plate is flush with the bottom surface of the explosion-proof layer, and the electric rising bottom plate is The maintenance lane is set on the electric rising floor and connected with it, and the maintenance lane can be separated and disassembled from other parts.

Furthermore, a corresponding set of exhaust outlets is provided in each safety section of the underground pipe gallery, and a crane port is provided at the midpoint of the two sets of exhaust outlets, so as to meet the requirements of use and maximize the utilization of the openings of the underground pipe gallery.

Furthermore, the hatches in the underground pipe gallery are all made of high-strength fire-resistant materials.

Further, the size of the large exhaust ventilator installed in the ventilation cabin accounts for 1/2 to 1/3 of the size of the overall exhaust port, and maintenance personnel can escape from the gap in the exhaust port in case of danger.

Furthermore, the metal louvers at the exhaust outlets in the ventilation cabin on the upper floor of the underground pipe gallery are higher than the ground.

The beneficial effects of the utility model:

The advantages and effects of the utility model are that it not only has the function of ventilation, but also has the function of escaping from a crane. At the same time, the two are combined and set up in a coordinated manner, which improves the influence of the nodes of the comprehensive pipe gallery on urban roads and landscapes, and reduces the construction cost. , and will further reduce the impact of each node of the comprehensive utility corridor on the urban landscape, city appearance, etc., and then reflect the original intention of the comprehensive utility corridor to improve urban roads and landscapes, have a good social effect, and have strong practicability. The utility model proposes the concept of a safety section. Under the condition of ensuring the safety of use, the ventilation openings and the crane openings are arranged alternately on the same plane. The crane openings can play the role of ventilation, and the ventilation openings can also serve as escape routes. Function (in case of emergency), it can not only meet the requirements of the pipe gallery specification, but also maximize the use of the pipe gallery outlet, thereby reducing the construction difficulty, reducing the project investment, and making it convenient for the pipeline installation and operation after the pipe gallery is completed manage.

Description of drawings

Fig. 1 is a cross-sectional view of a ventilation and escape structure of an underground utility gallery.

Fig. 2 is a top view of a ventilation and escape structure of an underground utility gallery.

FIG. 3 is a schematic cross-sectional view along line A-A of FIG. 1 .

FIG. 4 is a schematic cross-sectional view along line B-B of FIG. 1 .

FIG. 5 is a schematic cross-sectional view of C-C in FIG. 1 .

In the figure, 1 is the wall of the underground pipe corridor, 2 is the maintenance cabin, 2-1 is the explosion-proof layer, 2-2 is the maintenance lane, 2-3 is the maintenance vehicle, 2-4 is the electric lifting floor, and 2-5 is high-strength steel Stranded wire, 2-6 is the crane port, 2-7 is the first cover plate, 3 is the ventilation cabin, 3-1 is the large exhaust ventilator, 3-2 is the steel bracket, 3-3 is the exhaust port, 3 -4 is the metal shutter, 3-5 is the second cover plate, 4 is the first pipeline compartment, 5 is the second pipeline compartment, 6 is the first drainage compartment, 7 is the second drainage compartment, 7-1 is the water outlet, 7-2 metal grid drainage board, 8 is a straight ladder, 9 is a hatch, 10 is a safety section, and 11 is a ground.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail:

Example

As shown in Figures 1 to 5, a ventilation and escape structure for an underground pipe gallery, including an underground pipe gallery wall 1, an inspection cabin 2, an explosion-proof layer 2-1, an inspection lane 2-2, an inspection vehicle 2-3, and an electric lift Bottom plate 2-4, high-strength steel strand 2-5, crane opening 2-6, first cover plate 2-7, ventilation cabin 3, large exhaust ventilator 3-1, steel bracket 3-2, exhaust port 3 -3, metal shutters 3-4, second cover plate 3-5, first pipeline compartment 4, second pipeline compartment 5, first drainage compartment 6, second drainage compartment 7, water outlet 7-1, metal grid Drain board 7-2, straight ladder 8, hatch 9, safety section 10. The underground pipe gallery is divided into upper, middle and lower floors. There is an inspection cabin 2 in the middle of the upper floor, and ventilation cabins 3 are installed on the left and right sides respectively. A crane port 2-6 is set in the safety section 10, a first cover plate 2-7 is arranged above the crane port 2-6, and an electric lifting base plate 2-4 is arranged at the corresponding place below each crane port 2-6, and the high-strength steel Stranded wire 2-5 is connected with crane mouth 2-6. An exhaust port 3-3 is arranged in each safety section 10 of the ventilation cabin 3, a second cover plate 3-5 is arranged above the exhaust port 3-3, metal shutters 3-4 are arranged on the left and right sides, and the exhaust port 3-3 3. Large-scale ventilation ventilator 3-1 and steel support 3-2 are arranged below. From left to right, the middle layer of the underground pipe gallery is divided into the first pipeline cabin 4, the second pipeline cabin 5, and the first pipeline cabin 4. Straight ladders 8 are set inside the three cabins, and the positions are the same as those on the bottom surface of the three cabins on the upper floor of the underground pipeline gallery. The cabin door 9 positions are corresponding. From left to right, the lower floor of the underground pipe gallery is divided into the first drainage cabin 6, the second drainage cabin 7, and the first drainage cabin 6. The metal grid drainage board 7-2 is set on the top of the three cabins, which is consistent with the middle layer of the underground pipe gallery. The three compartments are connected correspondingly, and a drain is set between the first drainage compartment 6 and the second drainage compartment 7 , and is set in a section in the safety section 10 . The electric rising floor 2-4 in the maintenance cabin 2 is controlled by the switches inside and outside the cabin in parallel, the ground of the electric rising floor 2-4 is sunken downwards, and the upper surface of the electric rising floor 2-4 is flush with the bottom surface of the explosion-proof layer 2-1 Flat, the maintenance lane 2-2 at the electric rising base plate 2-4 is arranged on the electric rising base plate 2-4 and connected with it as a whole, and the maintenance lane 2-2 at this place can be separated and disassembled from other parts. Each safety section 10 of the underground pipe gallery is provided with a corresponding group of exhaust outlets 3-3, and a crane outlet 2-6 is provided at the midpoint of the two groups of exhaust outlets 3-3. Maximize the use of corridor openings. The hatches 9 in the underground pipe corridor are all made of high-strength fire-resistant materials, and the size of the large exhaust ventilator 3-1 arranged in the ventilation cabin 3 accounts for 1/2 to 1/3 of the size of the overall exhaust port 3-3. Next, maintenance personnel can escape from the gap in the exhaust port 3-3. The metal louvers 3-4 at the exhaust outlet 3-3 in the ventilation cabin 3 on the upper floor of the underground pipe corridor are higher than the ground 11.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (6)

1. A ventilation and escape structure for an underground pipe gallery, characterized in that: the underground pipe gallery includes an underground pipe gallery wall (1), an inspection cabin (2), an explosion-proof layer (2-1), an inspection driveway (2- 2), maintenance vehicle (2-3), electric lifting base plate (2-4), high-strength steel strand (2-5), crane port (2-6), first cover plate (2-7), ventilation cabin (3), large exhaust ventilator (3-1), steel bracket (3-2), exhaust port (3-3), metal shutter (3-4), second cover plate (3-5), The first pipeline compartment (4), the second pipeline compartment (5), the first drainage compartment (6), the second drainage compartment (7), the water outlet (7-1), the metal grid drainage plate (7-2) , straight ladder (8), hatch (9) and safety section (10); the underground pipe gallery is divided into upper, middle and lower floors, with an inspection cabin (2) in the middle of the upper floor and ventilation cabins (3) on the left and right sides ), an explosion-proof layer (2-1) is installed on the inner wall of the inspection cabin (2), an inspection lane (2-2) is installed at the bottom, a crane opening (2-6) is installed in each safety section (10), and the crane opening (2- 6) There is a first cover plate (2-7) on the top, and an electric lifting base plate (2-4) is installed at the corresponding place below each crane opening (2-6), and the high-strength steel strand (2-5) and the crane (2-6) connection, each safety section (10) of the ventilation cabin (3) is provided with an exhaust port (3-3), and a second cover plate (3-5) is provided above the exhaust port (3-3). ), metal shutters (3-4) are installed on the left and right sides, and a large exhaust ventilator (3-1) and steel brackets (3-2) are installed under the exhaust port (3-3); To the right, it is divided into the first pipeline cabin (4), the second pipeline cabin (5), and the first pipeline cabin (4). Straight ladders (8) are set inside the three cabins, and the positions are the same as those of the upper three cabins of the underground pipeline gallery. The position of the hatch door (9) on the bottom surface corresponds; the lower layer of the underground pipe gallery is divided into the first drainage compartment (6), the second drainage compartment (7) and the first drainage compartment (6) from left to right, and the tops of the three compartments are all Set the metal grid drainage board (7-2), correspondingly connected with the three cabins in the middle layer of the underground pipe gallery, set the drainage port between the first drainage cabin (6) and the second drainage cabin (7), and set up a drainage port in the safety section (10 ) inner compartment setting. 2. The ventilation and escape structure of an underground pipe corridor according to claim 1, characterized in that: the electric lifting floor (2-4) in the maintenance cabin (2) is controlled by a switch inside and outside the cabin Parallel control, the ground at the electric rising floor (2-4) is sunken downwards, the upper surface of the electric rising floor (2-4) is flush with the bottom surface of the explosion-proof layer (2-1), and the maintenance at the electric rising floor (2-4) The driveway (2-2) is arranged on the electric rising base plate (2-4) and is integrally connected with it, where the maintenance driveway (2-2) can be separated and disassembled from other parts. 3. The ventilation and escape structure of an underground pipe gallery according to claim 1, characterized in that: each safety section (10) of the underground pipe gallery is provided with a corresponding set of exhaust outlets (3-3), two A crane port (2-6) is set at the midpoint of the exhaust port group (3-3) to maximize the utilization of the opening of the underground pipe gallery while meeting the use requirements. 4. The ventilation and escape structure of an underground pipe gallery according to claim 1, characterized in that: the hatches (9) in the underground pipe gallery are all made of high-strength fire-resistant materials. 5. The ventilation and escape structure of an underground pipe gallery according to claim 1, characterized in that: the size of the large exhaust ventilator (3-1) installed in the ventilation cabin (3) accounts for the overall exhaust 1/2 to 1/3 of the size of the exhaust port (3-3), maintenance personnel can escape from the gap in the exhaust port (3-3) in case of danger. 6. The ventilation and escape structure of an underground pipe gallery according to claim 1, characterized in that: the metal shutters (3-4) at the exhaust outlet (3-3) in the upper ventilation cabin (3) of the underground pipe gallery ) above the ground (11).