Movable tunnel construction safety guarantee cabin

Abstract

The utility model discloses a movable tunnel construction safety guarantee cabin, and relates to the technical field of guarantee cabins. Mounting blocks are slidably arranged on the guide rods, cleaning brushes are fixedly arranged on the bottom surfaces of the mounting blocks, the lower sides of the cleaning brushes are in contact with the inner bottom surface of the crawler belt, a connecting plate is fixedly arranged between every two adjacent mounting blocks, and an auxiliary sweeping mechanism is arranged on the bottom surface of each connecting plate; a transmission rod is fixedly connected to an output shaft on the lower side of the driving motor, and a poke rod is fixedly arranged on the bottom face of the other end of the transmission rod. The kidney-shaped groove is fixedly formed in the top face of the connecting plate, and the lower end of the transmission rod is movably inserted into the kidney-shaped groove. Foreign matters such as gravels in the crawler belt can be cleaned in the use process of the guarantee cabin, so that the influence of the foreign matters on the running of the walking mechanism is reduced, the phenomenon of deviation of the loading wheel is prevented, and the safety performance of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of security cabins, in particular to a mobile security cabin for tunnel construction. Background Art

[0002] During the construction of a tunnel, special attention should be paid to safety issues. A tunnel support cabin is an essential safety measure. The structure of a tunnel support cabin is generally designed according to altitude, ground stress, ground temperature, air pressure and oxygen content. The interior of the support cabin generally includes an oxygen supply system, an air supply system, an air purification system, a cooling system, a life support system, a power support system, a walking system, a lighting and communication system, an environmental monitoring system, an electrical control system, etc. The walking system of a tunnel support cabin in the existing technology generally adopts a crawler structure. However, due to the relatively high amount of silt and gravel in the environment during tunnel construction, the road wheels are easily offset in the driving groove of the crawler during the tunnel construction process, which affects the stability of the walking of the support cabin. Therefore, there is an urgent need for a mobile tunnel construction safety support cabin. Utility Model Content

[0003] The purpose of the present invention is to provide a reasonably designed mobile tunnel construction safety protection cabin in view of the defects and shortcomings of the existing technology, which can solve the technical problems in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises a support cabin body, crawler tracks, a frame and road wheels, the frame is symmetrically fixedly provided on both sides of the bottom of the support cabin body, a plurality of road wheels are rotatably provided on the middle part of the frame through a wheel axle, the outer sides of the plurality of road wheels are meshed and wound with crawler tracks, a tensioning wheel is provided on the frame between the plurality of road wheels, the tensioning wheel is provided in contact with the inner side wall of the crawler tracks, and the road wheels are connected to the driving mechanism of the external walking system;

[0005] It also contains:

[0006] Guide rods, wherein there are several guide rods, and two of the guide rods are fixedly arranged between the frames on the lower sides of the tensioning wheels, and a mounting block is slidably provided on each guide rod, and a cleaning brush is fixedly provided on the bottom surface of the mounting block, and the lower side of the cleaning brush is provided in contact with the inner bottom surface of the crawler track, and a connecting plate is fixedly provided between two adjacent mounting blocks, and an auxiliary cleaning mechanism is provided on the bottom surface of the connecting plate;

[0007] A drive motor, wherein the drive motor is fixedly arranged between the frames via a motor bracket, a transmission rod is fixedly connected to the output shaft on the lower side of the drive motor, and a toggle rod is fixedly arranged on the bottom surface of the other end of the transmission rod; the drive motor is connected to an external power supply;

[0008] The waist-shaped groove is fixedly arranged on the top surface of the connecting plate, and the lower end of the transmission rod is movably inserted into the inside of the waist-shaped groove.

[0009] As a further improvement of the present invention, a reinforcing plate is fixedly provided at the connection between the waist-shaped groove and the connecting plate. The provision of the reinforcing plate increases the tightness of the connection between the waist-shaped groove and the connecting plate.

[0010] As a further improvement of the present invention, a limiting ring groove is provided on the bottom surface of the waist-shaped groove, and a limiting block is fixedly provided at the lower end of the toggle rod, and the limiting block is movably clamped in the limiting ring groove; through the setting of the limiting block and the limiting ring groove, the toggle rod is effectively prevented from slipping out of the waist-shaped groove.

[0011] As a further improvement of the present invention, the auxiliary cleaning mechanism includes:

[0012] A rotating shaft, wherein the upper end of the rotating shaft is rotatably arranged on the bottom surface of the connecting plate through a bearing, and the lower end of the rotating shaft is fixedly sleeved with a wheel brush;

[0013] The gear is fixedly sleeved on the rotating shaft on the upper side of the wheel brush, one side of the gear is meshed with a rack, and both ends of the rack are fixedly arranged on the inner wall of the frame.

[0014] Through the above technical solution design, when the driving motor drives the mounting block and the connecting plate to perform reciprocating motion, due to the engagement of the gear and the rack, the gear drives the rotating shaft to rotate, and then drives the wheel brush to rotate. The wheel brush cleans the foreign matter accumulated between the cleaning brushes, thereby increasing the thoroughness of cleaning.

[0015] As a further improvement of the present invention, a graphite bearing is provided between the mounting block and the guide rod, and the graphite bearing is sleeved on the guide rod; the provision of the graphite bearing increases the smoothness of sliding between the mounting block and the guide rod.

[0016] Compared with the existing technology, the beneficial effects of the present invention are: the mobile tunnel construction safety protection cabin described in the present invention can clean foreign matter such as sand and gravel inside the track during the use of the protection cabin, reduce the impact of foreign matter on the operation of the walking mechanism, prevent the road wheels from offsetting, and increase the safety performance of the device. The present invention has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a schematic diagram of the internal structure of the crawler of the present utility model.

[0019] Figure 3 yes Figure 2 Bottom view of the .

[0020] Figure 4 It is a schematic diagram of the exploded structure of the drive motor, transmission rod, connecting plate, mounting block and auxiliary cleaning mechanism of the utility model.

[0021] Description of reference numerals:

[0022] Support cabin body 1, track 2, frame 3, road wheel 4, tensioning wheel 5, guide rod 6, mounting block 7, cleaning brush 8, connecting plate 9, drive motor 10, transmission rod 11, toggle rod 12, waist-shaped groove 13, reinforcement plate 14, limiting ring groove 15, limiting block 16, auxiliary cleaning mechanism 17, rotating shaft 17-1, wheel brush 17-2, gear 17-3, rack 17-4, graphite bearing 18. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See Figure 1-4 As shown, the technical solution adopted in this specific embodiment includes a support cabin body 1, a crawler 2, a frame 3 and road wheels 4. The frames 3 are symmetrically fixed on both sides of the bottom of the support cabin body 1 by bolts. A plurality of road wheels 4 are rotatably provided on the middle part of the frame 3 through the wheel axle. The outer sides of the plurality of road wheels 4 are meshed and wound with crawlers 2. Tensioning wheels 5 are provided on the frame 3 between the plurality of road wheels 4. The tensioning wheels 5 are arranged to contact the inner side walls of the crawler 2. The road wheels 4 are connected to the driving mechanism of the external walking system to drive the road wheels 4.

[0025] It also contains:

[0026] Guide rod 6, there are several guide rods 6, and each of them is fixed by bolts between the frames 3 on the lower side of the tensioning wheel 5, and a mounting block 7 is slidably provided on each guide rod 6; a graphite bearing 18 is provided between the mounting block 7 and the guide rod 6, and the graphite bearing 18 is sleeved on the guide rod 6; the setting of the graphite bearing 18 increases the smoothness of sliding between the mounting block 7 and the guide rod 6; a cleaning brush 8 is fixed by bolts on the bottom surface of the mounting block 7, and the lower side of the cleaning brush 8 is in contact with the inner bottom surface of the crawler 2, and a connecting plate 9 is fixedly welded between two adjacent mounting blocks 7, and an auxiliary cleaning mechanism 17 is provided on the bottom surface of the connecting plate 9;

[0027] A drive motor 10 is fixed between the frame 3 via a motor bracket and bolts. A transmission rod 11 is fixedly connected to the output shaft on the lower side of the drive motor 10. A toggle rod 12 is fixedly provided on the bottom surface of the other end of the transmission rod 11 via bolts. The drive motor 10 is connected to an external power source.

[0028] The waist-shaped groove 13 is fixed on the top surface of the connecting plate 9 by bolts, and the lower end of the transmission rod 11 is movably inserted into the inside of the waist-shaped groove 13; the connection between the waist-shaped groove 13 and the connecting plate 9 is fixed by bolts with a reinforcement plate 14, and the setting of the reinforcement plate 14 increases the tightness of the connection between the waist-shaped groove 13 and the connecting plate 9;

[0029] A limit ring groove 15 is formed on the bottom surface of the waist-shaped groove 13, and a limit block 16 is fixedly provided at the lower end of the toggle rod 12. The limit block 16 is movably clamped in the limit ring groove 15. The setting of the limit block 16 and the limit ring groove 15 effectively prevents the toggle rod 12 from slipping out of the waist-shaped groove 13.

[0030] The auxiliary cleaning mechanism 17 includes:

[0031] Rotating shaft 17-1, the upper end of the rotating shaft 17-1 is rotatably arranged on the bottom surface of the connecting plate 9 through a bearing, and the lower end of the rotating shaft 17-1 is fixedly sleeved with a wheel brush 17-2;

[0032] Gear 17-3, the gear 17-3 is fixedly sleeved on the rotating shaft 17-1 on the upper side of the wheel brush 17-2, and a rack 17-4 is meshed on one side of the gear 17-3, and both ends of the rack 17-4 are fixedly set on the inner wall of the frame 3.

[0033] The specific model of the driving motor 10 is purchased directly from the market and installed and used according to the use requirements.

[0034] When using the present invention, when the support cabin body 1 is moving, the road wheel 4 is driven by the driving mechanism of the external moving system, the track 2 rotates, and foreign matter such as sand and gravel enters the driving groove on the inner wall of the track 2. At this time, the driving motor 10 is turned on, and the output shaft of the driving motor 10 drives the transmission rod 11 to rotate. Since the toggle rod 12 at the end of the transmission rod 11 is inserted into the waist-shaped groove 13, the waist-shaped groove 13 drives the mounting block 7 to reciprocate on the guide rod 6 through the connecting plate 9. At this time, the driving groove on the inner wall of the track 2 is cleaned by the cleaning brush 8 at the bottom of the mounting block 7; at the same time, when the driving motor 10 drives the mounting block 7 and the connecting plate 9 to reciprocate, since the gear 17-3 is engaged with the rack 17-4, the gear 17-3 drives the rotating shaft 17-1 to rotate, and then drives the wheel brush 17-2 to rotate. The wheel brush 17-2 cleans the foreign matter accumulated between the cleaning brushes 8, thereby increasing the thoroughness of cleaning.

[0035] After adopting the above structure, the beneficial effects of this specific embodiment are as follows:

[0036] 1. The cleaning brush 8 cleans the driving groove on the inner wall of the crawler 2, which can clean sand and gravel and other foreign matter inside the crawler 2 during the use of the support cabin, reducing the impact of foreign matter on the operation of the walking mechanism, preventing the deviation of the road wheel 4, and increasing the safety performance of the device;

[0037] 2. Through the provision of the auxiliary cleaning mechanism 17, the wheel brush 17-2 cleans the foreign matter accumulated between the cleaning brushes 8, thereby increasing the thoroughness of the cleaning.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mobile tunnel construction safety protection cabin, comprising a cabin body (1), a crawler (2), a frame (3) and road wheels (4), wherein the frames (3) are symmetrically fixedly arranged on both sides of the bottom of the cabin body (1), a plurality of road wheels (4) are rotatably arranged on the middle part of the frame (3) through a wheel shaft, the outer sides of the plurality of road wheels (4) are meshed and wound with crawlers (2), a tensioning wheel (5) is arranged on the frame (3) between the plurality of road wheels (4), the tensioning wheel (5) is arranged to contact the inner side wall of the crawler (2), and the road wheels (4) are connected to the driving mechanism of the external walking system; It is characterized by: It also contains: Guide rods (6), wherein the guide rods (6) are multiple and are fixedly arranged in pairs between the frames (3) on the lower sides of the multiple tensioning wheels (5), the guide rods (6) are all slidably provided with mounting blocks (7), a cleaning brush (8) is fixedly provided on the bottom surface of the mounting blocks (7), the lower side of the cleaning brush (8) is provided in contact with the inner bottom surface of the crawler (2), a connecting plate (9) is fixedly provided between two adjacent mounting blocks (7), and an auxiliary cleaning mechanism (17) is provided on the bottom surface of the connecting plate (9); A drive motor (10), wherein the drive motor (10) is fixedly arranged between the frames (3) via a motor bracket, a transmission rod (11) is fixedly connected to the output shaft on the lower side of the drive motor (10), and a toggle rod (12) is fixedly arranged on the bottom surface of the other end of the transmission rod (11); the drive motor (10) is connected to an external power supply; The waist-shaped groove (13) is fixedly arranged on the top surface of the connecting plate (9), and the lower end of the transmission rod (11) is movably inserted into the inside of the waist-shaped groove (13).

2. The mobile tunnel construction safety cabin according to claim 1, characterized in that: A reinforcing plate (14) is fixedly provided at the connection between the waist-shaped groove (13) and the connecting plate (9).

3. The mobile tunnel construction safety cabin according to claim 1, characterized in that: A limit ring groove (15) is formed on the bottom surface of the waist-shaped groove (13), and a limit block (16) is fixedly provided at the lower end of the toggle rod (12). The limit block (16) is movably clamped in the limit ring groove (15).

4. The mobile tunnel construction safety cabin according to claim 1, characterized in that: The auxiliary cleaning mechanism (17) comprises: A rotating shaft (17-1), wherein the upper end of the rotating shaft (17-1) is rotatably arranged on the bottom surface of the connecting plate (9) via a bearing, and the lower end of the rotating shaft (17-1) is fixedly sleeved with a wheel brush (17-2); A gear (17-3) is fixedly sleeved on the rotating shaft (17-1) on the upper side of the wheel brush (17-2); a rack (17-4) is meshed with one side of the gear (17-3); and both ends of the rack (17-4) are fixedly mounted on the inner side wall of the frame (3).

5. The mobile tunnel construction safety cabin according to claim 1, characterized in that: A graphite bearing (18) is provided between the mounting block (7) and the guide rod (6), and the graphite bearing (18) is sleeved on the guide rod (6).

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