Air supply device of tunnel construction guarantee cabin

Abstract

The invention discloses an air supply device of a tunnel construction guarantee cabin, and relates to the technical field of guarantee cabin devices for tunnel construction, the left end and the right end of a machine shell are provided with openings, an air blowing mechanism is arranged in the machine shell, a driving mechanism is arranged in the machine shell, and the driving mechanism and the air blowing mechanism are arranged in a transmission mode; through the fan structure capable of adjusting the inclination direction of the fan blades, and meanwhile, the fan blades are provided with driving structures in various modes, so that different ventilation modes are selected according to different ventilation conditions and ventilation environments during use, and air supply and air exchange of the interior of the security cabin can be achieved under most conditions.

Description

Technical Field

[0001] The invention relates to the technical field of a support cabin device for tunnel construction, and in particular to an air supply device for a support cabin for tunnel construction. Background Art

[0002] The support cabin for tunnel construction is a device with high pressure resistance and can provide an independent living space. The support cabin is often used for temporary shelter of workers when dangerous situations occur during tunnel construction. When the support cabin provides temporary shelter, due to the high density of people in the support cabin, it is necessary to ensure ventilation and air permeability in the support cabin. For the support cabin that can be connected to the outside, air supply to the inside of the support cabin can be achieved through structures such as fans. However, most of the existing air supply fans use a blade suction structure. The air supply fan with this structure is not conducive to exhausting air to form air circulation when in a small space environment, and this fan can only blow external air in, but cannot exhaust the air out of the support cabin. Therefore, it is necessary to improve this type of air supply structure. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and to provide an air supply device for a tunnel construction support cabin. The device has a fan structure with adjustable blade inclination direction and a driving structure with multiple modes for the fan blades, thereby realizing different ventilation modes according to different ventilation conditions and ventilation environments during use, so that the device can realize air supply and air exchange inside the support cabin in most cases.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: The utility model comprises a housing, wherein the housing is provided with openings at both left and right ends, and further comprises: A blowing mechanism, wherein the blowing mechanism is arranged in the casing; The driving mechanism is arranged in the casing, and the driving mechanism is arranged in transmission with the blowing mechanism.

[0005] Preferably, the blowing mechanism comprises: A frame, wherein the frame is movably arranged inside the casing, and the side of the frame is movably abutted against the inner wall of the casing; A mounting sleeve, the mounting sleeve is inserted and fixed on the frame; Blades, there are several blades, and the blades are arranged in the frame at equal angles around the mounting sleeve; A support shaft, wherein the support shaft is fixedly arranged on the blade, and the support shaft is rotatably arranged on the frame through a bearing, and the support shaft is inserted into the mounting sleeve; The paddle assembly is arranged on the mounting sleeve.

[0006] Preferably, the paddle assembly comprises: A transmission shaft, wherein the transmission shaft is movably inserted into the mounting sleeve; A gear, wherein the gear is fixedly mounted on the support shaft and is disposed in a mounting sleeve; A rack, wherein the rack is fixedly arranged on the transmission shaft and meshes with the gear; A support frame, wherein the support frame is fixedly arranged on the mounting sleeve; The paddle push rod is fixedly arranged on the support frame, and the output shaft of the paddle push rod is fixedly arranged on the transmission shaft.

[0007] Preferably, spline blocks are fixedly arranged at equal angles on the surrounding walls of the transmission shaft, a spline groove is opened on the inner wall of the mounting sleeve, and the spline blocks are slidably arranged in the spline groove.

[0008] Preferably, the driving mechanism comprises: A piston assembly, wherein the piston assembly is arranged in the casing; A driving motor, wherein the driving motor is arranged on the piston assembly; The driving shaft is fixedly arranged on the supporting frame and is drivingly connected to the output shaft of the driving motor.

[0009] Preferably, the piston assembly comprises: A mounting frame, wherein the mounting frame is fixedly arranged on the inner wall of the casing; A reciprocating push rod, wherein the reciprocating push rod is fixedly arranged on a mounting frame; A connecting frame is fixedly arranged on the output shaft of the reciprocating push rod, and a driving motor is fixedly arranged on the connecting frame.

[0010] Preferably, a shaft sleeve is fixedly provided on the connecting frame, and the driving shaft is screwed through the shaft sleeve via a bearing.

[0011] Preferably, a plurality of gas outlet one-way valves are fixedly disposed on the frame.

[0012] Preferably, an end frame is fixedly arranged inside, and an intake one-way valve is fixed on the end frame, a crankshaft is rotated on the end frame through a bearing, a sealing plate is fixed on the crankshaft, an opening and closing push rod is rotated on the inner wall of the casing through a rotating shaft, and the output shaft of the opening and closing push rod is rotated on the handle end of the crankshaft through the rotating shaft.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. This device is provided with a propeller blade that can rotate and adjust the tilt angle, and a corresponding driving motor for rotational drive and a reciprocating push rod for reciprocating drive, so as to realize ventilation in the support cabin in different ways by adjusting different tilt states of the propeller blade and different driving working states of the propeller blade; 2. The device mounts the propeller blades on the frame by supporting them, and meshes the transmission shaft with the gears on the support shaft through the transmission shaft with the rack, and then sets the paddle push rod to control the movement of the transmission shaft to achieve the rotation adjustment of the propeller blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 1 is a left front side view.

[0016] Figure 3 It is a structural schematic diagram of the casing, the blowing mechanism and the driving mechanism in the present invention.

[0017] Figure 4 yes Figure 3 Left front side view.

[0018] Figure 5 It is a structural schematic diagram of the frame, blades and transmission shaft in the present invention.

[0019] Figure 6 It is a structural schematic diagram of the transmission shaft and rack in the present invention.

[0020] Description of reference numerals: Casing 1, blowing mechanism 2, frame 2-1, mounting sleeve 2-2, paddle 2-3, supporting shaft 2-4, driving mechanism 3, driving motor 3-1, driving shaft 3-2, paddle assembly 4, transmission shaft 4-1, gear 4-2, rack 4-3, supporting frame 4-4, paddle push rod 4-5, piston assembly 5, mounting frame 5-1, reciprocating push rod 5-2, connecting frame 5-3, spline block 6, spline groove 7, shaft sleeve 8, outlet check valve 9, end frame 10, inlet check valve 11, crankshaft 12, sealing plate 13, opening and closing push rod 14. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention. Embodiment 1:

[0022] like Figure 1-6 As shown, this embodiment includes a housing 1, wherein the housing 1 is provided with openings at both left and right ends; it also includes: A blowing mechanism 2, wherein the blowing mechanism 2 is arranged in the casing 1; The driving mechanism 3 is arranged in the housing 1, and the driving mechanism 3 is arranged in transmission with the blowing mechanism 2; The blowing mechanism 2 comprises: A rack 2-1, wherein the rack 2-1 is movably disposed inside the housing 1, and a side of the rack 2-1 is movably disposed against an inner wall of the housing 1; A mounting sleeve 2-2, wherein the mounting sleeve 2-2 is inserted and fixed on the frame 2-1; Blades 2-3, there are several blades 2-3, and the blades 2-3 are arranged in the frame 2-1 at equal angles around the mounting sleeve 2-2; A support shaft 2-4, wherein the support shaft 2-4 is fixedly arranged on the blade 2-3, and the support shaft 2-4 is rotatably arranged on the frame 2-1 through a bearing, and the support shaft 2-4 is inserted into the mounting sleeve 2-2; A paddle assembly 4, wherein the paddle assembly 4 is arranged on the mounting sleeve 2-2; The paddle assembly 4 comprises: A transmission shaft 4-1, wherein the transmission shaft 4-1 is movably inserted into the mounting sleeve 2-2; Spline blocks 6, there are several spline blocks 6, and the spline blocks 6 are arranged on the walls of the transmission shaft 4-1 at equal angles, and a spline groove 7 is opened on the inner wall of the mounting sleeve 2-2, and the spline blocks 6 are slidably arranged in the spline groove 7; Gear 4-2, the gear 4-2 is fixedly arranged on the support shaft 2-4, and the gear 4-2 is arranged in the mounting sleeve 2-2; The rack 4-3 is fixed on the transmission shaft 4-1, and the rack 4-3 is meshed with the gear 4-2; Support frame 4-4, the support frame 4-4 is fixedly arranged on the mounting sleeve 2-2; A paddle push rod 4-5, wherein the paddle push rod 4-5 is fixedly arranged on the support frame 4-4, and an output shaft of the paddle push rod 4-5 is fixedly arranged on the transmission shaft 4-1; The driving mechanism 3 comprises: A piston assembly 5, wherein the piston assembly 5 is arranged in the housing 1; A driving motor 3-1, wherein the driving motor 3-1 is arranged on the piston assembly 5; A drive shaft 3-2, wherein the drive shaft 3-2 is fixedly disposed on the support frame 4-4, and the drive shaft 3-2 is drivingly connected to the output shaft of the drive motor 3-1; The piston assembly 5 comprises: A mounting frame 5-1, wherein the mounting frame 5-1 is fixedly disposed on the inner wall of the housing 1; A reciprocating push rod 5-2, wherein the reciprocating push rod 5-2 is fixedly arranged on the mounting frame 5-1; A connecting frame 5-3, wherein the connecting frame 5-3 is fixedly arranged on the output shaft of the reciprocating push rod 5-2, and the driving motor 3-1 is fixedly arranged on the connecting frame 5-3; A shaft sleeve 8, wherein the shaft sleeve 8 is fixedly arranged on the connecting frame 5-3, and the driving shaft 3-2 is screwed through the shaft sleeve 8 through a bearing; An air outlet one-way valve 9, wherein the air outlet one-way valve 9 is inserted and fixed on the frame 2-1; An end frame 10, wherein the end frame 10 is embedded and fixed in the right side port of the housing 1; A crankshaft 12, wherein the crankshaft 12 is rotatably mounted on the end frame 10 via a bearing; A sealing plate 13, wherein the sealing plate 13 is fixedly disposed on the crankshaft 12, and the sealing plate 13 is movably disposed against the left side wall of the end frame 10; The opening and closing push rod 14 is rotatably mounted on the inner wall of the casing 1 via a rotating shaft, and the output shaft of the opening and closing push rod 14 is rotatably mounted on the handle end of the crankshaft 12 via a rotating shaft.

[0023] By adopting the technical solution disclosed in the present invention, it is possible to achieve: When using the device, the housing 1 is installed on the side wall of the ship's security cabin, with the right end of the housing 1 placed outside the security cabin and the left end of the housing 1 placed inside the security cabin: The transmission shaft 4-1 is pushed by the paddle push rod 4-5, and the transmission shaft 4-1 pushes the gear 4-2 to rotate through the rack 4-3, and the gear 4-2 drives the support shaft 2-4 to rotate, and the support shaft 2-4 drives the blade 2-3 to be positively tilted, and the drive motor 3-1 drives the drive shaft 3-2 to rotate, and the drive shaft 3-2 drives the support frame 4-4 to rotate, and the support frame 4-4 drives the installation sleeve 2-2 to rotate, and the installation sleeve 2-2 drives the frame 2-1 to rotate, and then the frame 2-1 drives the positively tilted blade 2-3 to rotate, and the airflow in the casing 1 is pushed from right to left by the blade 2-3, so that the external air is blown into the interior of the security cabin through the casing 1, and the air supply to the interior of the security cabin is realized; The transmission shaft 4-1 is pushed by the paddle push rod 4-5, and then the transmission shaft 4-1 drives the paddle to rotate, so that the paddle is tilted in the opposite direction, and the frame 2-1 is driven to rotate by the driving motor 3-1, and then the paddle tilted in the opposite direction is driven to rotate, and the airflow in the housing 1 is pushed from left to right by the blade 2-3, so that the air in the security cabin is blown out, and the inside of the security cabin is exhausted; The paddle 2-3 is pushed to the right position by the paddle push rod 4-5. At this time, the paddle 2-3 is embedded in the frame 2-1, so that the frame 2-1 and the paddle 2-3 are an integral structure. At this time, the frame 2-1 and the paddle 2-3 are placed in the casing 1 as an integral piston structure. The reciprocating push rod 5-2 drives the connecting frame 5-3 to reciprocate, the connecting frame 5-3 drives the drive shaft 3-2 to reciprocate, the drive shaft 3-2 drives the support frame 4-4 to reciprocate, the support frame 4-4 drives the installation sleeve 2-2 to reciprocate, and then the installation sleeve 2-2 drives the frame 2-1 to reciprocate, that is, the frame 2-1 drives the piston structure to reciprocate. The casing 1 reciprocates, and the crankshaft 12 is pushed to rotate by the opening and closing push rod 14. The crankshaft 12 drives the exhaust valve 12 to rotate, and the opening of the end frame 10 is blocked and sealed by the sealing plate 13, and the intake check valve 11 on the end frame 10 is exposed; when the piston structure moves to the left, the exhaust check valve 9 is closed, and the piston structure pushes the air on its left side from the casing 1 into the protection cabin. At the same time, the intake check valve 11 is opened to draw external air into the casing 1 between the piston structure and the end frame 10; when the piston structure moves to the right, the air between the piston structure and the end frame 10 is sent to the left side of the piston structure through the exhaust check valve 9.

[0024] The technical advantages that can be achieved by adopting the above technical solution are as follows: 1. The device is provided with a blade 2-3 that can rotate and adjust the tilt angle, and a corresponding driving motor 3-1 for rotational driving and a reciprocating push rod 5-2 for reciprocating driving, so as to realize different tilt states of the blade 2-3 and different driving working states of the blade 2-3, so as to realize ventilation in the support cabin in different ways; 2. This device installs the blade 2-3 on the frame 2-1 by supporting it, and meshes the transmission shaft 4-1 with the rack 4-3 with the gear 4-2 on the support shaft 2-4, and then sets the paddle push rod 4-5 to control the movement of the transmission shaft 4-1 to achieve the rotation adjustment of the blade 2-3.

[0025] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air supply device for a tunnel construction support cabin, comprising a housing (1), wherein the housing (1) is provided with openings at both left and right ends; characterized in that: It also contains: An air blowing mechanism (2), wherein the air blowing mechanism (2) is arranged in the casing (1); A driving mechanism (3), wherein the driving mechanism (3) is arranged in the casing (1), and the driving mechanism (3) is arranged in a transmission manner with the blowing mechanism (2).

2. The air supply device for a tunnel construction support cabin according to claim 1, characterized in that: The blowing mechanism (2) comprises: A frame (2-1), wherein the frame (2-1) is movably arranged inside the casing (1), and the side of the frame (2-1) is movably abutted against the inner wall of the casing (1); A mounting sleeve (2-2), wherein the mounting sleeve (2-2) is inserted through and fixed on the frame (2-1); Blades (2-3), wherein the blades (2-3) are multiple, and the blades (2-3) are arranged in the frame (2-1) at equal angles around the mounting sleeve (2-2); A support shaft (2-4), wherein the support shaft (2-4) is fixedly arranged on the blade (2-3), and the support shaft (2-4) is rotatably arranged on the frame (2-1) via a bearing, and the support shaft (2-4) is inserted into the mounting sleeve (2-2); A paddle assembly (4), wherein the paddle assembly (4) is arranged on the mounting sleeve (2-2).

3. The air supply device for a tunnel construction support cabin according to claim 2, characterized in that: The paddle assembly (4) comprises: A transmission shaft (4-1), wherein the transmission shaft (4-1) is movably inserted into the mounting sleeve (2-2); A gear (4-2), wherein the gear (4-2) is fixedly arranged on the support shaft (2-4), and the gear (4-2) is arranged in the mounting sleeve (2-2); A rack (4-3), wherein the rack (4-3) is fixedly arranged on the transmission shaft (4-1), and the rack (4-3) is meshed with the gear (4-2); A support frame (4-4), wherein the support frame (4-4) is fixedly arranged on the mounting sleeve (2-2); A paddle push rod (4-5), wherein the paddle push rod (4-5) is fixedly arranged on a support frame (4-4), and an output shaft of the paddle push rod (4-5) is fixedly arranged on a transmission shaft (4-1).

4. The air supply device for a tunnel construction support cabin according to claim 3, characterized in that: Spline blocks (6) are fixedly arranged at equal angles on the surrounding walls of the transmission shaft (4-1), a spline groove (7) is provided on the inner wall of the mounting sleeve (2-2), and the spline block (6) is slidably arranged in the spline groove (7).

5. The air supply device for a tunnel construction support cabin according to claim 4, characterized in that: The driving mechanism (3) comprises: A piston assembly (5), wherein the piston assembly (5) is arranged in the casing (1); A driving motor (3-1), wherein the driving motor (3-1) is arranged on the piston assembly (5); A drive shaft (3-2), wherein the drive shaft (3-2) is fixedly arranged on the support frame (4-4), and the drive shaft (3-2) is drivingly connected to an output shaft of the drive motor (3-1).

6. The air supply device for a tunnel construction support cabin according to claim 5, characterized in that: The piston assembly (5) comprises: A mounting frame (5-1), wherein the mounting frame (5-1) is fixedly arranged on the inner wall of the casing (1); A reciprocating push rod (5-2), wherein the reciprocating push rod (5-2) is fixedly arranged on the mounting frame (5-1); A connecting frame (5-3), wherein the connecting frame (5-3) is fixedly arranged on the output shaft of the reciprocating push rod (5-2), and the driving motor (3-1) is fixedly arranged on the connecting frame (5-3).

7. The air supply device for a tunnel construction support cabin according to claim 6, characterized in that: A shaft sleeve (8) is fixedly arranged on the connecting frame (5-3), and the driving shaft (3-2) is screwed onto the shaft sleeve (8) via a bearing.

8. The air supply device for a tunnel construction support cabin according to claim 7, characterized in that: A plurality of gas outlet one-way valves (9) are fixedly disposed on the frame (2-1).

9. The air supply device for a tunnel construction support cabin according to claim 8, characterized in that: The housing (1) is provided with an end frame (10) fixedly disposed therein, and an intake check valve (11) is inserted and fixedly disposed on the end frame (10), a crankshaft (12) is rotatably disposed on the end frame (10) via a bearing, a sealing plate (13) is fixedly disposed on the crankshaft (12), an opening and closing push rod (14) is rotatably disposed on the inner wall of the housing (1) via a rotating shaft, and an output shaft of the opening and closing push rod (14) is rotatably disposed on the handle end of the crankshaft (12) via a rotating shaft.

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