Telescopic air bin structure for tunnel construction ventilation

Abstract

The utility model belongs to the technical field of tunnel ventilation, and particularly discloses a telescopic air bin structure for tunnel construction ventilation, which comprises an embedded half air bin and a wrapped half air bin. The embedded half-air bin and the wrapped half-air bin are both of a hollow cuboid structure; wherein one end of the hollow cuboid structure is a closed end, and the other end of the hollow cuboid structure is an open end; the opening end of the embedded half-air bin is inserted into the opening end of the wrapped half-air bin, and the embedded half-air bin and the wrapped half-air bin are connected in a sliding mode; wherein the hollow inner cavity of the embedded half-air bin is communicated with the hollow inner cavity of the wrapped half-air bin, and a closed cavity structure is formed; a first air inlet and outlet is formed in the closed end of the embedded half-air bin, and a second air inlet and outlet is formed in the closed end of the wrapped half-air bin. According to the utility model, the length-width ratio of the wind bin structure can be randomly adjusted, so that the ventilation requirements under different engineering stages or special construction working conditions are met, and the ventilation efficiency of a fan is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel ventilation, and particularly relates to a telescopic wind bin structure used for tunnel construction ventilation. Background Art

[0002] Tunnel construction ventilation technology is a very important part of tunnel engineering. It is directly related to the progress of tunnel construction, and ventilation is the key to ensuring the safety of construction workers, removing exhaust gas and controlling temperature and humidity. At present, the ventilation method commonly used in tunnel construction is forced-in mechanical ventilation technology, which is: fresh air is pressed into the tunnel by a fan to form an airflow to remove harmful gases in the tunnel construction. Among them, the ventilation silo is the starting point of the forced-in ventilation system. Its main function is to introduce fresh air, remove dirty gases, prevent fires and adjust ventilation effects. At present, the internal volume and aspect ratio of the existing ventilation silos are fixed, which makes it unable to adapt to the ventilation needs of different engineering stages or special construction conditions, thereby reducing the ventilation efficiency of the fan and seriously affecting the ventilation effect of the tunnel project. Utility Model Content

[0003] In view of the technical problems existing in the prior art, the utility model provides a telescopic wind silo structure for tunnel construction ventilation, so as to solve the problem that the existing ventilation wind silo cannot adapt to the ventilation needs in different engineering stages or special construction conditions, thereby reducing the ventilation efficiency of the fan and seriously affecting the ventilation effect of the tunnel project.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The utility model provides a telescopic wind silo structure for tunnel construction ventilation, including an embedded half wind silo and a wrapped half wind silo; the embedded half wind silo and the wrapped half wind silo both adopt a hollow rectangular parallelepiped structure; wherein one end of the hollow rectangular parallelepiped structure is a closed end, and the other end is an open end;

[0006] The open end of the embedded half wind bin is inserted into the open end of the wrapped half wind bin, and the embedded half wind bin is slidably connected to the wrapped half wind bin; wherein the hollow inner cavity of the embedded half wind bin is connected to the hollow inner cavity of the wrapped half wind bin to form a closed cavity structure;

[0007] The closed end of the embedded semi-air bin is provided with a first air inlet and outlet, and the closed end of the wrapped semi-air bin is provided with a second air inlet and outlet.

[0008] Furthermore, the outer walls on both sides of the embedded semi-wind bin are symmetrically provided with sliding rails, and the sliding rails are arranged along the insertion direction of the embedded semi-wind bin; the inner walls on both sides of the wrapped semi-wind bin are symmetrically provided with sliding grooves, and the sliding grooves are parallel to the sliding rails and are slidably connected.

[0009] Furthermore, the first end of the slide rail is flush with the open end of the embedded half wind bin, and the second end of the slide rail extends along the long axis direction of the embedded half wind bin and toward the closed end of the embedded half wind bin; the slide groove is arranged along the long axis direction of the wrapped half wind bin, and the length of the slide groove is consistent with the length of the slide rail.

[0010] Furthermore, the slide rail is arranged close to one side of the bottom plate of the embedded semi-wind bin, and the slide groove is arranged close to one side of the bottom plate of the wrapped semi-wind bin; wherein the slide rail and the slide groove are located on the same horizontal line.

[0011] Furthermore, it also includes a first pulley; the first pulley is installed at the end of the slide rail and close to the opening end of the embedded semi-wind bin; wherein one side of the first pulley is connected to the slide rail, and the other side of the first pulley is connected to the slide groove.

[0012] Furthermore, it also includes a second pulley; the second pulley is installed at the end of the slide groove and is close to the opening end of the wrapped semi-wind bin; wherein one side of the second pulley is connected to the slide groove, and the other side of the second pulley is connected to the slide rail.

[0013] Furthermore, it also includes a first fan and a second fan; the first fan is installed at the first air inlet and outlet, and the second fan is installed at the second air inlet and outlet.

[0014] Furthermore, both the first fan and the second fan are axial flow fans.

[0015] Furthermore, the outer wall of the open end of the embedded half wind bin is slidably and sealedly connected to the inner wall of the wrapped half wind bin.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a telescopic wind bin structure for tunnel construction ventilation, in which the opening end of an embedded half wind bin is inserted into the opening end of a wrapped half wind bin, so that the embedded half wind bin and the wrapped half wind bin are combined to form a complete wind bin structure; secondly, the embedded half wind bin and the wrapped half wind bin are slidably connected to achieve adjustment of the insertion position of the embedded half wind bin, thereby satisfying the requirement of arbitrary adjustment of the length-width ratio of the complete wind bin structure, thereby adapting to the ventilation needs in different engineering stages or special construction conditions, effectively improving the ventilation efficiency of the fan, and obtaining excellent ventilation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the telescopic wind silo structure described in the utility model;

[0019] Figure 2 It is a side view of the telescopic wind silo structure described in the utility model;

[0020] Figure 3 It is a partial structural schematic diagram of the telescopic wind bin structure described in the utility model.

[0021] Among them, 1 is a built-in semi-wind bin, 2 is a wrapped semi-wind bin, 3 is a slide rail, 4 is a slide groove, 5 is a first pulley, 6 is a second pulley, 7 is a first fan, and 8 is a second fan. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail in the following specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] As attached Figure 1-3 As shown, the utility model provides a telescopic wind bin structure for tunnel construction ventilation, including an embedded half wind bin 1, a wrapped half wind bin 2, a first pulley 5, a second pulley 6, a first fan 7 and a second fan 8.

[0024] The embedded semi-wind silo 1 and the wrapped semi-wind silo 2 both adopt a hollow rectangular structure, one end of the hollow rectangular structure is a closed end and the other end is an open section; specifically, the hollow rectangular structure includes a top plate, a first side plate, a bottom plate, a second side plate and an end plate; the top plate is parallel to the bottom plate and is spaced apart, and the first side plate and the second side plate are vertically parallel and are both located between the top plate and the bottom plate; wherein the top plate, the first side plate, the bottom plate and the second side plate are sequentially combined to form a hollow shell structure with open ends; the end plate is sealed at the first end portion of the hollow shell structure to close one end of the hollow shell structure; the second end of the hollow shell structure remains open.

[0025] The cross-sectional dimension of the embedded half wind bin 1 is smaller than that of the wrapped half wind bin 2, the open end of the embedded half wind bin 1 is inserted into the open end of the wrapped half wind bin 2, and the embedded half wind bin 1 is slidingly connected to the wrapped half wind bin 2; specifically, the top plate of the embedded half wind bin 1 is slidingly arranged below the top plate of the wrapped half wind bin 2, the bottom plate of the embedded half wind bin 1 is slidingly arranged above the top plate of the wrapped half wind bin 2, the first side panel of the embedded half wind bin 1 is slidingly arranged on the inner side of the first side panel of the wrapped half wind bin 2, and the second side panel of the embedded half wind bin 1 is slidingly arranged on the inner side of the second side panel of the wrapped half wind bin 2.

[0026] It should be noted that the hollow inner cavity of the embedded half wind bin 1 is connected to the hollow inner cavity of the wrapped half wind bin 2 to form a closed cavity structure; wherein, the outer wall of the open end of the embedded half wind bin 1 is slidably and sealedly connected to the inner wall of the wrapped half wind bin 2, that is, the joint between the embedded half wind bin 1 and the wrapped half wind bin 2 is in a sealed state; specifically, the top plate of the embedded half wind bin 1 is sealed and slidably connected to the top plate of the wrapped half wind bin 2, the bottom plate of the embedded half wind bin 1 is sealed and slidably connected to the top plate of the wrapped half wind bin 2, the first side panel of the embedded half wind bin 1 is sealed and slidably connected to the first side panel of the wrapped half wind bin 2, and the second side panel of the embedded half wind bin 1 is sealed and slidably connected to the second side panel of the wrapped half wind bin 2.

[0027] The slide rails 3 are symmetrically arranged on the outer walls on both sides of the embedded half wind bin 1, and are arranged along the insertion direction of the embedded half wind bin 1; specifically, the outer wall surface of the first side panel of the embedded half wind bin 1 is provided with a first slide rail, and the outer wall surface of the second side panel of the embedded half wind bin 1 is provided with a second slide rail; wherein, the first end of the slide rail 3 is flush with the open end of the embedded half wind bin 1, and the second end of the slide rail 3 extends along the long axis direction of the embedded half wind bin 1 and toward the closed end of the embedded half wind bin 1.

[0028] That is, the first slide rail is arranged along the long axis direction of the first side panel of the embedded half wind bin 1, the first end of the first slide rail is flush with the first end of the first side panel of the embedded half wind bin 1, and the second end of the first slide rail extends toward the second end of the first side panel of the embedded half wind bin 1; it should be noted that the first end of the first side panel of the embedded half wind bin 1 is located on one side of the open end of the embedded half wind bin 1, and the second end of the first side panel of the embedded half wind bin 1 is located on one side of the closed end of the embedded half wind bin 1.

[0029] Similarly, the second slide rail is arranged along the long axis direction of the second side panel of the embedded half wind bin 1, the first end of the second slide rail is flush with the first end of the second side panel of the embedded half wind bin 1, and the second end of the second slide rail extends toward the second end of the second side panel of the embedded half wind bin 1; it should be noted that the first end of the second side panel of the embedded half wind bin 1 is located on one side of the open end of the embedded half wind bin 1, and the second end of the second side panel of the embedded half wind bin 1 is located on one side of the closed end of the embedded half wind bin 1.

[0030] The slide grooves 4 are symmetrically arranged on the inner walls of both sides of the wrapped half wind bin 2, and are parallel to and slidably connected with the slide rails 3; specifically, the inner wall surface of the first side panel of the wrapped half wind bin 2 is provided with a first slide groove, and the first slide groove and the first slide rail are parallel to and slidably matched with each other; the inner wall surface of the second side panel of the wrapped half wind bin 2 is provided with a second slide groove, and the second slide groove and the second slide rail are parallel to and slidably matched with each other; wherein, the slide grooves 4 are arranged throughout the length along the long axis direction of the wrapped half wind bin 2, and the slide grooves 4 are the same length as the slide rails 3; specifically, the slide grooves 4 are arranged throughout the length along the long axis direction of the first side panel or the second side panel of the wrapped half wind bin 2, that is, the length of the slide grooves 4 and the length of the slide rails 3 are the same as the long axis length of the first side panel or the second side panel of the wrapped half wind bin 2.

[0031] It should be noted that the slide rail 3 and the slide groove 4 are located on the same horizontal line, that is, the installation heights of the slide rail 3 and the slide groove 4 are the same; wherein, the slide rail 3 is arranged close to one side of the bottom plate of the embedded semi-wind bin 1, and the slide groove 4 is arranged close to one side of the bottom plate of the wrapped semi-wind bin 2; specifically, the slide rail 3 is located below the center line of the long axis of the first side panel or the second side panel of the embedded semi-wind bin 1, and the slide groove 4 is located below the center line of the long axis of the first side panel or the second side panel of the wrapped semi-wind bin 2.

[0032] The first pulley 5 is installed at the end of the slide rail 3 and is close to the opening end of the embedded semi-wind bin 1; wherein one side of the first pulley 5 is connected to the slide rail 3, and the other side of the first pulley 5 is connected to the slide groove 4; the second pulley 6 is installed at the end of the slide groove 4 and is close to the opening end of the wrapped semi-wind bin 2; wherein one side of the second pulley 6 is connected to the slide groove 4, and the other side of the second pulley 6 is connected to the slide rail 3.

[0033] The closed end of the embedded half wind bin 1 is provided with a first air inlet and outlet, and the closed end of the wrapped half wind bin 2 is provided with a second air inlet and outlet; specifically, the first air inlet and outlet are opened on the end plate of the embedded half wind bin 1, and the second air inlet and outlet are opened on the end plate of the wrapped half wind bin 2; the first fan 7 is installed at the first air inlet and outlet, and the second fan 8 is installed at the second air inlet and outlet; preferably, the first fan 7 and the second fan 8 are both axial flow fans.

[0034] Working principle:

[0035] The telescopic wind bin structure described in the utility model has the open end of the embedded half wind bin 1 inserted into the open end of the wrapped half wind bin 2, and the embedded half wind bin 1 is slidably connected to the wrapped half wind bin 2. When in use, the length-to-width ratio of the wind bin can be adjusted by driving the relative sliding of the embedded half wind bin 1 and the wrapped half wind bin 2; specifically, when the embedded half wind bin 1 is slid toward the outside of the open end of the wrapped half wind bin 2, the length-to-width ratio of the wind bin becomes larger; when the embedded half wind bin 1 is slid toward the closed end of the wrapped half wind bin 2, the length-to-width ratio of the wind bin becomes smaller; by adjusting the length-to-width ratio of the wind bin, the overall structural parameters of the wind bin can be adjusted, thereby obtaining better ventilation efficiency of the fan and achieving better ventilation effect.

[0036] In the utility model, the open end of the embedded semi-wind bin 1 is inserted into the open end of the wrapped semi-wind bin 2, so that the embedded semi-wind bin 1 and the wrapped semi-wind bin 2 form a wind bin structure with a sleeve structure; secondly, by symmetrically arranging sliding rails 3 on the outer walls on both sides of the embedded semi-wind bin 1, symmetrically arranging sliding grooves 4 on the inner walls on both sides of the wrapped semi-wind bin 2, and sliding the sliding rails 3 in the sliding grooves 4, so that a sliding and adjustable telescopic structure is formed between the embedded semi-wind bin 1 and the wrapped semi-wind bin 2 through the cooperation of the sliding grooves and the sliding rails; secondly, a first pulley 5 is installed at the end of the sliding rail 3, and a second pulley 6 is installed at the end of the sliding groove 3, and the sliding of the pulleys between the sliding rails and the sliding grooves is utilized to realize the sliding and adjustable nature of the embedded semi-wind bin 1 and the wrapped semi-wind bin 2; at the same time, the first pulley 5 and the second pulley 6 can also form a reliable mutual constraint between the sliding rail 3 and the sliding groove 4, and the connection reliability and stability between the embedded semi-wind bin 1 and the wrapped semi-wind bin 2 are improved.

[0037] The telescopic wind bin structure for tunnel construction ventilation described in the utility model can arbitrarily adjust the length-width ratio of the wind bin by dividing the wind bin into two parts, an embedded semi-wind bin and a wrapped semi-wind bin, and forming a sleeve structure. It can adapt to the ventilation needs in different engineering stages or special construction conditions, effectively improve the ventilation efficiency of the fan, and thus obtain excellent ventilation effect.

[0038] The above embodiment is only one of the implementation methods that can realize the technical solution of the utility model. The scope of protection required by the utility model is not limited only to this embodiment, but also includes within the technical scope disclosed by the utility model, any changes, replacements and other implementation methods that can be easily thought of by any technician familiar with the technical field.

Claims

1. A telescopic wind silo structure for tunnel construction ventilation, characterized in that: It comprises an embedded half wind bin (1) and a wrapped half wind bin (2); the embedded half wind bin (1) and the wrapped half wind bin (2) both adopt a hollow rectangular parallelepiped structure; wherein one end of the hollow rectangular parallelepiped structure is a closed end and the other end is an open end; The open end of the embedded half wind chamber (1) is inserted into the open end of the wrapped half wind chamber (2), and the embedded half wind chamber (1) and the wrapped half wind chamber (2) are slidably connected; wherein the hollow inner cavity of the embedded half wind chamber (1) is connected to the hollow inner cavity of the wrapped half wind chamber (2), and a closed cavity structure is formed; The closed end of the embedded semi-wind bin (1) is provided with a first air inlet and outlet, and the closed end of the wrapped semi-wind bin (2) is provided with a second air inlet and outlet.

2. A telescopic air silo structure for tunnel construction ventilation according to claim 1, characterized in that: The outer walls on both sides of the embedded semi-wind bin (1) are symmetrically provided with slide rails (3), and the slide rails (3) are arranged along the insertion direction of the embedded semi-wind bin (1); the inner walls on both sides of the wrapped semi-wind bin (2) are symmetrically provided with slide grooves (4), and the slide grooves (4) and the slide rails (3) are parallel to each other and are connected in a sliding manner.

3. The telescopic air silo structure for tunnel construction ventilation according to claim 2, characterized in that: The first end of the slide rail (3) is flush with the open end of the embedded half wind bin (1), and the second end of the slide rail (3) extends along the long axis direction of the embedded half wind bin (1) and toward the closed end of the embedded half wind bin (1); the slide groove (4) is arranged along the long axis direction of the wrapped half wind bin (2), and the length of the slide groove (4) is consistent with the length of the slide rail (3).

4. The telescopic air silo structure for tunnel construction ventilation according to claim 2, characterized in that: The slide rail (3) is arranged close to one side of the bottom plate of the embedded semi-wind silo (1), and the slide groove (4) is arranged close to one side of the bottom plate of the wrapped semi-wind silo (2); wherein the slide rail (3) and the slide groove (4) are located on the same horizontal line.

5. The telescopic wind silo structure for tunnel construction ventilation according to claim 2, characterized in that: It also includes a first pulley (5); the first pulley (5) is installed at the end of the slide rail (3) and is close to the open end of the embedded semi-wind silo (1); wherein one side of the first pulley (5) is connected to the slide rail (3), and the other side of the first pulley (5) is connected to the slide groove (4).

6. The telescopic wind silo structure for tunnel construction ventilation according to claim 2, characterized in that: It also includes a second pulley (6); the second pulley (6) is installed at the end of the slide groove (4) and is close to the opening end of the wrapped semi-wind bin (2); wherein one side of the second pulley (6) is connected to the slide groove (4), and the other side of the second pulley (6) is connected to the slide rail (3).

7. The telescopic wind silo structure for tunnel construction ventilation according to claim 1, characterized in that: It also includes a first fan (7) and a second fan (8); the first fan (7) is installed at the first air inlet and outlet, and the second fan (8) is installed at the second air inlet and outlet.

8. The telescopic air silo structure for tunnel construction ventilation according to claim 7, characterized in that: The first fan (7) and the second fan (8) are both axial flow fans.

9. The telescopic wind silo structure for tunnel construction ventilation according to claim 1, characterized in that: The outer wall of the open end of the embedded half wind bin (1) is slidably and sealedly connected to the inner wall of the wrapped half wind bin (2).

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