Cooling device for underground TBM (Tunnel Boring Machine) operation line

Abstract

The underground TBM operating line cooling device comprises a cooling shell, the cooling shell comprises a first cooling plate and a plurality of second cooling plates which are arranged below the first cooling plate in an up-down stacked mode, the two sides of the first cooling plate are vertically and fixedly connected with stand columns, the lower portions of the stand columns are fixed to corresponding bases, booster water pumps are further installed on the bases, and the booster water pumps are connected with the second cooling plates. A water inlet of the booster pump communicates with an external water source; the lower-layer cooling plate is slidably mounted on the bottom surface of the upper-layer cooling plate; each of the first cooling plate and the second cooling plate is an arc-shaped plate with one sealed end and a hollow interior, a heat dissipation net plate is arranged in an inner cavity of each arc-shaped plate, a water supply channel is arranged in each cavity, and water distribution holes are formed in the water supply channels; the water supply channel communicates with a water outlet of the booster pump; and an air inlet and a water outlet are formed in the arc-shaped plate. According to the device, the temperature of the working environment in the underground tunnel can be effectively reduced, the area of a cooling area can be effectively adjusted according to the working range of workers, and then the working environment of the workers is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of underground temperature reducing equipment, specifically relates to a kind of underground TBM operation line cooling device. BACKGROUND

[0002] Underground TBM tunneling operation is a kind of efficient, safe tunnel construction method, applied in subway, water conservancy, mine, traffic and other fields.During tunneling construction, the temperature in the underground tunnel of several tens of meters often exceeds 40℃, and the working environment of workers is poor, so the cooling of operation line is particularly important.

[0003] The utility model discloses a kind of cooling equipment for tunnel construction in prior art authorization announcement No.CN21103871U, which is cooled by air supply and water injection into the heat sink in the shell.The device can achieve the effect of cooling.However, the size of the area that the shell can cool is fixed, and cannot be adjusted according to the size of the worker's operation range, which is very inconvenient to use. UTILITY MODEL CONTENT

[0004] To solve the problems of the prior art, the utility model aims to provide a kind of underground TBM operation line cooling device, which can effectively reduce the temperature of the working environment in the underground tunnel, and effectively adjust the area of the cooling radiation area according to the size of the worker's operation range, thereby effectively improving the working environment of workers.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of underground TBM operation line cooling device, comprising a cooling shell, the cooling shell includes a first cooling plate and a plurality of second cooling plates stacked above and below the first cooling plate, vertical fixed columns are connected to the two sides of the first cooling plate, the vertical fixed columns are fixed on the corresponding bases below, walking wheels are installed on the bases below, a booster water pump is also installed on the base, and the water inlet of the booster water pump is connected to an external water source;The lower second cooling plate is horizontally slidingly installed on the bottom surface of the upper first cooling plate and the upper second cooling plate along its length direction;The first cooling plate and the second cooling plate are both arc-shaped plates with one end blocked and hollow inside, the arc-shaped plate has a heat sink plate in its internal cavity, a water supply channel is provided on the arc-shaped inner top surface of the arc-shaped plate cavity, and a plurality of water distribution holes are formed on the water supply channel and connected to the arc-shaped plate cavity;The water supply channel is connected to the water outlet of the booster water pump through a flexible pipeline;The middle part of the end face of the arc-shaped plate blocked is provided with an air inlet connected to an external air source, and the lower end of the two sides of the arc-shaped plate is provided with a water outlet connected to the cavity.

[0007] Preferably, a first sliding rail is horizontally installed on the bottom surface of the upper first cooling plate and the upper second cooling plate, and the top surface of the lower second cooling plate is slidingly installed on the corresponding first sliding rail.

[0008] Preferably, the second cooling plate is vertically fixed with a vertical rod at both sides away from the two side ends of the first cooling plate, and the lower end of the vertical rod is slidingly supported on the corresponding base.

[0009] Preferably, a plurality of second sliding rails are horizontally installed on the base, the lower end of the vertical rod is slidingly connected to the corresponding second sliding rail through a track block, and a locking bolt is installed on the track block and fixedly abuts against the second sliding rail.

[0010] Preferably, a water guide plate is fixed at the lower end of the cavity at both sides of the arc-shaped plate, and a water guide slope is obliquely downward arranged on the water guide plate towards the water outlet side.

[0011] Preferably, the water supply channel comprises a main channel horizontally arranged close to the inner top surface of the cavity, the main channel is communicated with the water supply port at the lower end of the arc-shaped plate at both sides, the water supply port is communicated with the booster pump through a flexible pipeline; a plurality of branch channels are vertically arranged with the main channel and vertically communicated with the main channel along the arc-shaped inner top surface of the cavity, and the water distribution holes are arranged on the branch channels.

[0012] Preferably, a plurality of air deflectors are arranged close to the air inlet in the cavity.

[0013] Preferably, the air deflectors are arranged at equal angles in a diverging manner with the air inlet as the center.

[0014] The utility model has the beneficial effects that:

[0015] 1. When the cooling area size needs to be adjusted, the vertical rod is pulled horizontally, thereby driving the two second cooling plates above to contract or elongate below the first cooling plate, so that the cooling radiation area of the whole cooling shell is adjusted, and the use is more convenient. The outward elongation part of the second cooling plate is supported on the base through the vertical rod, so that the support stability of the second cooling plate is improved.

[0016] 2. The lower end of the vertical rod is slidingly connected to the second sliding rail through a track block, thereby improving the stability of the sliding connection structure between the vertical rod and the base. When the position of the second cooling plate is adjusted in place, the track block on the second sliding rail is locked and fixed by tightening the locking bolt, thereby effectively fixing the position of the second cooling plate connected to the vertical rod, and improving the structural stability of the device.

[0017] 3. In the application, the booster pump pressurizes the water, and then the water enters the main channel through the water supply port, and then uniformly distributes to the cavity of the arc-shaped plate through the branch channel and the water distribution hole, so as to uniformly diffuse to the heat dissipation mesh plate, thereby effectively dissipating heat.

[0018] 4. The application provides a water supply channel in the cavity, which does not affect the up-down telescopic sliding of the two second cooling plates, and the water supply channel is arranged close to the inner top surface of the cavity and leaves a gap between the inner bottom surface of the cavity, which does not transversely separate the inside of the cavity, and thus can uniformly distribute water to the heat dissipation net plate through the water distribution hole, and the flowing air from the air inlet can flow in the heat dissipation net plate, thereby effectively cooling and dissipating heat.

[0019] 5. The water from the water supply channel enters the cavity and flows to both sides of the arc-shaped plate under the action of gravity, and the water guide plates arranged at the lower ends of both sides of the cavity can guide the water to the water outlet through the water guide slopes arranged above the water guide plates, thereby effectively avoiding water accumulation in the cavity and improving the heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a side structural schematic diagram of the cooling shell of the utility model;

[0022] Figure 3 It is a side sectional view of the arc-shaped plate of the utility model;

[0023] Figure 4 It is a front view of the internal cavity of the arc-shaped plate of the utility model;

[0024] Figure 5 It is a schematic diagram of the internal structure of the arc-shaped plate of the utility model. DETAILED DESCRIPTION

[0025] The principles and characteristics of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and do not limit the use range of the utility model.

[0026] As shown in Figures 1-5 The utility model discloses a kind of underground TBM operation line cooling device, including cooling shell, cooling shell includes first cooling plate 31 and two second cooling plate 32 stacked above and below the first cooling plate 31, corresponding base 1 is respectively arranged in the lower side of the two sides of first cooling plate 31, vertical fixed connection is respectively arranged in the lower side of the two sides of first cooling plate 31 with stand 13, stand 13 is fixed on corresponding base 1 below, base 1 is installed with walking wheel 11 below. Walking wheel 11 can drive base 1 to walk, and then drive the whole device to move stably in tunnel.

[0027] The second cooling plate 32 of the lower layer is horizontally slidingly installed on the bottom surface of the first cooling plate 31 and the second cooling plate 32 of the upper layer along the length direction. Specifically, the bottom surface of the first cooling plate 31 of the upper layer and the second cooling plate 32 of the middle layer are both horizontally installed with the first sliding rail 304, the top surface of the second cooling plate 32 of the middle layer is slidingly installed on the bottom of the first cooling plate 31 through the first sliding rail 304, and the top surface of the second cooling plate 32 of the lowermost layer is slidingly installed on the bottom of the second cooling plate 32 of the middle layer. The two sides of the two second cooling plates 32 away from the first cooling plate 31 are respectively vertically fixed with the vertical rod 14, and the lower end of the vertical rod 14 is slidingly supported on the corresponding base 1. Specifically, a plurality of second sliding rails 16 are horizontally installed on the base 1, the lower end of the vertical rod 14 is slidingly connected to the corresponding second sliding rail 16 through the track block 15, and the track block 15 is installed with the locking bolt 151 abutting and fixed with the second sliding rail 16.

[0028] When the size of the cooling area needs to be adjusted, the vertical rod 14 is pulled horizontally, thereby driving the two second cooling plates 32 above to shrink or elongate below the first cooling plate 31, so as to adjust the cooling radiation area of the whole cooling shell, which is more convenient to use. The outward elongation of the second cooling plate 32 is supported on the base 1 through the vertical rod 14, which can improve the support stability of the second cooling plate 32. The lower end of the vertical rod 14 is slidingly connected to the second sliding rail 16 through the track block 15, thereby improving the stability of the sliding connection structure between the vertical rod 14 and the base 1. When the position of the second cooling plate 32 is adjusted in place, the track block 15 on the second sliding rail 16 can be locked and fixed by tightening the locking bolt 151, thereby effectively fixing the position of the second cooling plate 32 connected to the vertical rod 14, and improving the structural stability of the device.

[0029] The first cooling plate 31 and the two second cooling plates 32 are all arc-shaped plates with one end blocked and hollow inside. The inner cavity 300 of the three arc-shaped plates is provided with a heat dissipation mesh plate 33, a water supply channel 305 is provided along the arc-shaped inner top surface in the cavity 300, and a plurality of water distribution holes 306 are formed in the water supply channel 305 and communicated with the arc-shaped plate cavity 300; a booster water pump is installed on the base 1, the water inlet of the booster water pump is communicated with an external water source, and the water supply channel 305 is communicated with the water outlet 302 of the booster water pump through a flexible pipeline 21. Specifically, the water supply channel 305 includes a main channel 3051 horizontally arranged close to the inner top surface of the cavity 300, the main channel 3051 is communicated with a water supply port 303 at the lower end of the arc-shaped plate on both sides, and the water supply port 303 is communicated with the booster water pump through the flexible pipeline 21; a plurality of branch channels 3052 are vertically arranged with the main channel 3051 and vertically communicated with the main channel 3051 along the arc-shaped inner top surface of the cavity 300, and the water distribution holes 306 are equidistantly formed on the branch channels 3052 and communicated with the arc-shaped plate cavity 300.

[0030] The booster pump 2 in the application pressurizes water and enters the main channel 3051 through the water supply port 303, and then uniformly distributes water to the cavity 300 of the arc-shaped plate through the branch channel 3052 and the water distribution hole 306, so as to be uniformly diffused to the heat dissipation net plate 33, thereby playing an effective heat dissipation effect.

[0031] The water supply channel 305 in the application is arranged in the cavity 300, does not affect the up-down telescopic sliding of the two second cooling plates 32, is arranged close to the inner top surface of the cavity 300, and leaves a gap between the inner bottom surface of the cavity 300, does not transversely cut off the inside of the cavity 300, and can uniformly distribute water to the heat dissipation net plate 33 through the water distribution hole 306, so that the flowing air from the air inlet 301 can flow in the heat dissipation net plate 33, thereby playing an effective cooling and heat dissipation effect.

[0032] The air inlet 301 connected with the external air source is arranged in the middle of the end face blocked by the arc-shaped plate, and a plurality of air deflectors 308 are arranged close to the air inlet 301 in the cavity 300, and the air deflectors 308 are arranged at equal angles in a diverging manner with the air inlet 301 as the center. Under the guidance of the air deflectors 308, the air from the air inlet 301 can be uniformly dispersed around the cavity 300, thereby significantly improving the cooling effect of the device.

[0033] The water outlet 302 connected with the cavity 300 is arranged at the lower end of the arc-shaped plate, and the water outlet 302 can be connected with the external water circulation system. In addition, the water deflectors 307 are fixedly arranged at the lower end of the cavity 300 on the two sides of the arc-shaped plate, and the water deflectors 307 are inclined downward towards the water outlet 302. After the water from the water supply channel 305 enters the cavity 300, the water flows to the two sides of the arc-shaped plate under the action of gravity, and the water deflectors 307 arranged at the lower end of the cavity 300 on the two sides can guide the water to the water outlet 302 through the water guide slope arranged above, thereby effectively avoiding the water flow in the cavity 300, and improving the heat dissipation effect.

[0034] When the application is used, the walking wheels 11 under the base 1 are used to move the device to the working area, the vertical rod 14 is pushed to adjust the telescopic length of the two second cooling plates 32, and the locking bolt 151 is fixed. Then the booster pump 2 is started, the external air source blows air to the air inlet 301, thereby effectively cooling the working environment in the underground tunnel, and effectively improving the working environment of workers.

[0035] Obviously, the above-described embodiments are only some embodiments but not all the embodiments of the present application, the preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent replacements to some technical features therein. Any equivalent structure made by using the content of the specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A cooling device for a downhole TBM (Tunnel Boring Machine) production line, comprising a cooling shell, characterized in that: The cooling shell includes a first cooling plate and multiple second cooling plates stacked below the first cooling plate. Vertical columns are fixed to both sides of the first cooling plate, and the columns are fixed to corresponding bases. Wheels are installed below the bases, and a booster pump is also installed on the bases. The inlet of the booster pump is connected to an external water source. The lower second cooling plate slides horizontally along its length on the bottom surface of the upper first and second cooling plates. Both the first and second cooling plates are arc-shaped plates with one end sealed and the interior hollow. A heat dissipation mesh is provided in the internal cavity of the arc-shaped plate. A water supply channel is provided on the arc-shaped inner top surface of the arc-shaped plate cavity, and multiple water distribution holes communicating with the cavity of the arc-shaped plate are opened on the water supply channel. The water supply channel is connected to the outlet of the booster pump through a flexible pipe. An air inlet communicating with an external air source is provided in the middle of the sealed end face of the arc-shaped plate, and water outlets communicating with the cavity are provided at the lower ends of both sides of the arc-shaped plate.

2. The downhole TBM operation line cooling device according to claim 1, characterized in that: The bottom surfaces of the upper first cooling plate and the upper second cooling plate are horizontally mounted with first slide rails, and the top surface of the lower second cooling plate is slidably mounted on the corresponding first slide rail.

3. The downhole TBM operation line cooling device according to claim 2, characterized in that: The second cooling plate has vertical rods fixed to its two ends away from the first cooling plate, and the lower ends of the vertical rods are slidably supported on the corresponding bases on both sides.

4. The downhole TBM operation line cooling device according to claim 3, characterized in that: Multiple second slide rails are horizontally mounted on the base. The lower end of the vertical rod is slidably connected to the corresponding second slide rail via a track block. The track block is equipped with locking bolts that abut and fix to the second slide rail.

5. The downhole TBM operation line cooling device according to claim 1, characterized in that: Water guide plates are fixed at the lower ends of the cavities on both sides of the arc-shaped plate, and water guide plates are inclined downwards towards the water outlet.

6. The downhole TBM operation line cooling device according to claim 1, characterized in that: The water supply channel includes a main channel horizontally set close to the top surface of the cavity, which is connected to the water supply ports at the lower ends of both sides of the arc plate. The water supply ports are connected to a booster pump through flexible pipes. Multiple branch channels are provided perpendicular to the main channel and perpendicular to the top surface of the arc plate of the cavity. The water distribution holes are connected to the branch channels.

7. The downhole TBM operation line cooling device according to claim 1, characterized in that: Multiple air guide plates are installed inside the cavity near the air inlet.

8. The downhole TBM operation line cooling device according to claim 7, characterized in that: The air guide plates are arranged in a radiating, equidistant pattern with the air inlet as the center.

Images