CN113236328A

CN113236328A - Loess tunnel construction strutting arrangement

Info

Publication number: CN113236328A
Application number: CN202110501753.0A
Authority: CN
Inventors: 张晓军; 宁蕾; 张云周; 杨华强; 柴尚云; 李强
Original assignee: Gansu Hengtong Road And Bridge Engineering Co ltd
Current assignee: Gansu Hengtong Road And Bridge Engineering Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-08-10

Abstract

The invention discloses a loess tunnel construction supporting device, and particularly relates to the technical field of tunnel construction supporting devices. According to the invention, the rotatable square block is arranged at the bottom of the frame, when the tunnel is used, the arc-shaped top plate is in contact with the top of the tunnel to play a supporting role, the square block is flush with the bottom of the frame, the bearing capacity of the frame can be further increased, when the frame collapses, the door plate on the square block is opened, a worker can enter the cavity in the square block to avoid danger, the oxygen bottle is arranged in the cavity, water and food are placed in the storage box, and the tunnel can be used for the survival of the worker, so that the safety and the survival probability are improved.

Description

Loess tunnel construction strutting arrangement

Technical Field

The invention relates to the technical field of tunnel construction supporting devices, in particular to a loess tunnel construction supporting device.

Background

Along with the improvement of modern living standard and the increase of transportation industry, mountains are often encountered when roads and railways are built, and if a detour is selected for building the roads, the building cost is improved, so that a tunnel is generally selected to be excavated, the roads are penetrated through from the interior of the mountains, when the tunnel is constructed, most of loess tunnel construction is carried out according to the 'new Olympic method' principle and following the principles of 'early forecast, pipe advance, non-blasting, short excavation, less disturbance, water control, strong support, early sealing, measurement of service and tight lining', loess in the tunnel has water sensitivity, the strength is high in a dry state, but the wet strength can immediately drop under the action of self weight or additional stress, when the tunnel is excavated, initial support is immediately carried out, the tunnel is supported by using a support device, and the surrounding rock is ensured to be sealed in the shortest time, the inverted arch is completed in time, so that the tunnel is prevented from collapsing, and the safety of workers in the tunnel is prevented from being damaged.

The existing supporting device is only supported by the gantry support per se when supporting, the supporting strength is low after long-time use, workers can only hide at the bottom of the gantry support when collapse occurs, and the safety is low.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a loess tunnel construction supporting device to solve the above-mentioned problems occurring in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a loess tunnel construction supporting device comprises a frame, the cross section of the frame is set to be in an inverted U shape, the inner wall of the top of the frame is movably provided with a square block, a cavity is arranged inside the square block, the outer wall surfaces of the front side and the rear side of the square block are respectively provided with an outlet, the outlet is movably hinged with a door plate, three reinforcing ribs are fixedly arranged inside the cavity and are uniformly distributed at the center inside the cavity, two sides of the outer wall of one reinforcing rib are respectively and fixedly provided with a control assembly, two sides of the top of the cavity of the square block are respectively and fixedly provided with an oxygen cylinder, the bottom of the oxygen cylinder is fixedly provided with an air pipe, two sides of the bottom of the cavity of the square block are respectively and fixedly provided with two storage boxes, the top of the frame is fixedly provided with a plurality of hydraulic cylinders, the top of each hydraulic cylinder is fixedly provided with a supporting plate, the top of the supporting plate is fixedly provided with a plurality of telescopic rods, the top of each telescopic rod is fixedly provided with an arc-shaped top plate, a plurality of springs are fixedly arranged between the rod end and the cylinder end of the telescopic rod, two pressure detectors are fixedly arranged between the arc-shaped top plate and the supporting plate, grooves are formed in two sides of the bottom of the frame, and moving assemblies are arranged in the grooves.

In a preferred embodiment, a bearing is fixedly arranged at the top of the square block, a mounting block is fixedly arranged at the top of the bearing, a mounting groove is formed in the surface of the inner wall of the top of the frame, the mounting block is arranged in the mounting groove, a first threaded hole is formed in the center of the top of the frame, a screw is connected in the first threaded hole in a threaded manner, a second threaded hole is formed in the top of the mounting block, and the screw is arranged in the second threaded hole and is in threaded connection with the second threaded hole.

In a preferred embodiment, the control assembly includes the backing plate, backing plate outer wall fixed surface is equipped with singlechip, communicator and wireless signal transmitter are established at the singlechip bottom, the pressure monitor is connected at the singlechip input, wireless signal transmitter connects at the singlechip output, the communicator is established at the singlechip link.

In a preferred embodiment, an alarm is fixedly arranged on the top surface of the front side of the frame and connected to the output end of the single chip microcomputer.

In a preferred embodiment, the moving assembly comprises an electric push rod, a cylinder end of the electric push rod is fixedly arranged on the inner wall of the top of the groove, a connecting plate is fixedly arranged at the bottom of a rod end of the electric push rod, and an electric crawler is arranged at the bottom of the connecting plate and fixedly connected with the connecting plate through a bracket.

In a preferred embodiment, the inner wall of the door panel is provided with a number mark, and the outer wall of the door panel is fixedly provided with a handle.

In a preferred embodiment, the storage box is provided with an opening at the top, and a cover plate is arranged in the opening.

In a preferred embodiment, the frame, the blocks, the support plates and the arc-shaped top plate are all made of concrete.

The invention has the technical effects and advantages that:

1. according to the invention, the rotatable square block is arranged at the bottom of the frame, when the tunnel is used, the arc-shaped top plate is in contact with the top of the tunnel to play a supporting role, the square block is flush with the bottom of the frame, the bearing capacity of the frame can be further increased, when the frame collapses, the door plate on the square block is opened, a worker can enter the cavity in the square block to avoid danger, the oxygen bottle is arranged in the cavity, water and food are placed in the storage box, and the tunnel can be used for the survival of the worker, so that the safety and the survival probability are improved.

2. Through be provided with pressure measurement appearance bottom the arc roof, can real-time supervision pressure change, give the singlechip with signal transmission, singlechip control alarm sends the police dispatch newspaper to give external terminal with alarm signal transmission through wireless transmitter, inform the staff in time keep away the danger, improve the security of during operation.

3. Through being provided with the communicator on the backing plate, when taking place to sink, the workman can hide in the cavity of square, sends distress signal to the external world through the communicator to can talk with external first-aid staff, tell first-aid staff's own health and worker and friend's situation, and can tell first-aid staff with the digit label on the door plant, make things convenient for first-aid staff to carry out the rescue action fast.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a partial structural front view of the present invention.

Fig. 4 is a bottom view of the overall structure of the present invention.

FIG. 5 is a block cross-sectional view of the present invention.

FIG. 6 is a front view of the overall structure of the block of the present invention when rotating

Fig. 7 is a front view of the shim plate of the present invention.

Fig. 8 is a front view of a portion of the structure of the present invention.

The reference signs are: 1. a frame; 2. a square block; 3. a cavity; 4. a door panel; 5. reinforcing ribs; 6. an oxygen cylinder; 7. an air tube; 8. a storage box; 9. a hydraulic cylinder; 10. a support plate; 11. a telescopic rod; 12. an arc-shaped top plate; 13. a spring; 14. a pressure detector; 15. a groove; 16. a bearing; 17. mounting blocks; 18. mounting grooves; 19. a first threaded hole; 20. a screw; 21. a second threaded hole; 22. a base plate; 23. a single chip microcomputer; 24. a communicator; 25. a wireless signal transmitter; 26. an alarm; 27. an electric push rod; 28. a connecting plate; 29. an electric crawler; 30. a support; 31. a number designation; 32. a handle; 33. and (7) a cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-8 of the specification, the loess tunnel construction supporting device of the embodiment comprises a frame 1, the cross section of the frame 1 is arranged in an inverted U shape, the inner wall of the top of the frame 1 is movably provided with a square block 2, the square block 2 is flush with the bottom of the frame 1, when the top of the tunnel is supported, the bottom of the square block 2 and the bottom of the frame 1 are contacted with the ground of the tunnel, the compressive resistance of the frame 1 is increased, the supporting strength of the frame 1 is further improved, a cavity 3 is arranged inside the square block 2, a tunnel worker can open a door panel 4 and enter the cavity 3 of the square block 2 to avoid danger, the outer wall surfaces of the front side and the rear side of the square block 2 are respectively provided with an outlet, the door panel 4 is movably hinged at the outlet, three reinforcing ribs 5 are fixedly arranged inside the cavity 3, the three reinforcing ribs 5 are uniformly distributed at the center inside the cavity 3, the reinforcing ribs 5 are arranged, and the compressive resistance of the square block 2 can be increased, the using strength of the square block 2 is improved, the two sides of the outer wall of one reinforcing rib 5 are fixedly provided with control components, the two sides of the top of the cavity 3 of the square block 2 are fixedly provided with oxygen cylinders 6, the bottom of each oxygen cylinder 6 is fixedly provided with an air pipe 7 for improving oxygen for workers so that the workers can live in the cavity 3, the two sides of the bottom of the cavity 3 of the square block 2 are fixedly provided with two storage boxes 8, some rescue tools, living goods, food and the like are arranged in the storage boxes 8 to facilitate the use of danger avoiding personnel, the top of the frame 1 is fixedly provided with a plurality of hydraulic cylinders 9, the top of each hydraulic cylinder 9 is fixedly provided with a support plate 10, the top of each support plate 10 is fixedly provided with a plurality of telescopic rods 11, the top of each telescopic rod 11 is fixedly provided with an arc-shaped top plate 12, and a plurality of springs 13 are fixedly arranged between the rod ends and the cylinder ends of the telescopic rods 11, spring 13 has elasticity, can produce reverse effort, promotes arc roof 12 and tunnel top contact, the fixed two pressure measurement appearance 14 that are equipped with between arc roof 12 and the backup pad 10 for real-time supervision pressure change, when pressure numerical value changes, send numerical value for singlechip 23, singlechip 23 judges numerical value, when numerical value surpassed standard numerical value, singlechip 23 control alarm 26 and wireless signal transmitter 25 sent out the police dispatch newspaper, and the staff in the notice tunnel keeps away the danger with external staff, recess 15 has all been seted up to frame 1 bottom both sides, be equipped with the removal subassembly in the recess 15, be used for adjusting the position of whole device.

Further, the moving assembly comprises an electric push rod 27, the cylinder end of the electric push rod 27 is fixedly arranged on the inner wall of the top of the groove 15, a connecting plate 28 is fixedly arranged at the bottom of the rod end of the electric push rod 27, an electric crawler 29 is arranged at the bottom of the connecting plate 28, the electric crawler 29 is fixedly connected with the connecting plate 28 through a support 30, the electric crawler 29 is adopted to move the whole device, the electric crawler 29 is larger than the ground contact surface, and the device can be prevented from being trapped in soil when the device is moved.

Further, the frame 1, the square blocks 2, the supporting plates 10 and the arc-shaped top plates 12 are all made of concrete, so that the pressure resistance and the use strength of the whole device are greatly enhanced.

The implementation scenario is specifically as follows: when the tunnel support is used, the electric push rod 27 in the groove 15 is started, the electric push rod 27 extends to move the connecting plate 28 and the electric crawler 29 out of the groove 15, the whole frame 1 is separated from the ground, then the electric crawler 29 is started to drive the whole device to move to a place where a tunnel needs to be supported, the electric crawler 29 is stopped, the electric push rod 27 is started to extend again to drive the connecting plate 28 and the electric crawler 29 to move into the groove 15, the bottoms of the frame 1 and the square 2 are both contacted with the ground, then the hydraulic cylinders 9 on the frame 1 are started, the hydraulic cylinders 9 extend upwards to drive the support plate 10 and the arc-shaped top plate 12 to be contacted with the top of the tunnel, two pressure detectors 14 are arranged between the arc-shaped top plate 12 and the support plate 10, the extending length of the hydraulic cylinders 9 is controlled by checking the pressure values on the pressure detectors 14, after the hydraulic cylinders 9 are adjusted, the top of the arc-shaped top plate 12 is contacted with the top of the tunnel, the bottoms of the frame 1 and the square block 2 are contacted with the ground of the tunnel to play a supporting role, the square block 2 can increase the bearing capacity of the frame 1, the supporting force of the whole device is improved, the collapse can be effectively prevented, when the collapse occurs, the pressure detector 14 detects the pressure change during the collapse, the signal is sent to the single chip microcomputer 23 immediately, the single chip microcomputer 23 judges the numerical value, when the numerical value exceeds the preset numerical value, the single chip microcomputer 23 controls the alarm 26 to give an alarm to inform workers of avoiding danger, the workers in the tunnel can quickly open the door plate 4 on the square block 2 and hide in the cavity 3 in the square block 2, the door plate 4 is closed, the rescue signal is sent to the outside through the communicator 24 on the backing plate 22, the alarm signal is sent to the outside through the wireless signal transmitter to inform the outside workers of rescuing, the oxygen bottle 6 and the two storage boxes 8 are arranged in the cavity 3 in the square block 2, the worker can conveniently live in the cavity 3 of the square 2 to wait for rescue.

Referring to specification attached drawing 2, 3 and 7, the loess tunnel construction strutting arrangement of this embodiment, control assembly includes backing plate 22, backing plate 22 outer wall fixed surface is equipped with singlechip 23, communicator 24 and wireless signal transmitter 25 establish in singlechip 23 bottom, pressure monitor 14 is connected at singlechip 23 input, wireless signal transmitter 25 is connected at singlechip 23 output, communicator 24 establishes at singlechip 23 link, controls through singlechip 23, realizes automatic monitoring control, does not need manual operation labour saving and time saving.

Further, an alarm 26 is fixedly arranged on the surface of the top of the front side of the frame 1, and the alarm 26 is connected to the output end of the single chip microcomputer 23 and used for informing workers in the tunnel to rapidly avoid risks and reduce casualties of the workers.

The implementation scenario is specifically as follows: when collapse occurs, the pressure detector 14 between the arc-shaped top plate 12 and the supporting plate 10 detects pressure change during collapse, the singlechip 23 sends a signal to the singlechip 23, the singlechip 23 judges a numerical value, when the numerical value exceeds a preset numerical value, the singlechip 23 controls the alarm 26 to give an alarm, workers carry out danger avoidance, after the singlechip 23 judges the numerical value, the alarm signal is sent to an external intelligent terminal through the wireless signal transmitter 25 to inform the external workers of rescue, the workers in the tunnel can quickly open the door plate 4 on the block 2 and then hide in the cavity 3 in the block 2, the oxygen bottle 6 and the two storage boxes 8 are arranged in the cavity 3 in the block 2, and rescue tools, living goods and food such as a flashlight, a shovel and a rescue rope are prevented from being arranged in the storage boxes 8, Drinking water, bread, etc., which can be used for the staff to live in the cavity 3 of the cube 2 and then wait for rescue.

Referring to the attached

drawings

1, 3, 4 and 6 of the specification, the loess tunnel construction supporting device of the embodiment is characterized in that the inner wall of the door plate 4 is provided with a digital mark 31, the outer wall of the door plate 4 is fixedly provided with a handle 32, and the digital mark 31 is arranged on the door plate 4, so that danger avoiding personnel can conveniently tell rescue personnel with the digital mark 31, and the rescue personnel can be quickly positioned to quickly rescue.

Further, 8 tops of storage tank are equipped with the opening, be equipped with apron 33 in the opening, seal storage tank 8, prevent that the article in the storage tank 8 from dropping and influence the use.

The implementation scenario is specifically as follows: when taking place to collapse, the staff in the tunnel can open door plant 4 on the square 2 fast, then hide in cavity 3 in square 2, close door plant 4, send the distress signal to the external world through communicator 24 and the wireless signal transmitter on backing plate 22, inform external staff to rescue, be provided with oxygen cylinder 6 and two storage tank 8 bodies in cavity 3 of square 2, can be used for the staff to survive in cavity 3 of square 2, and communicate with external rescue personnel through communicator 24, tell the condition of the health and the condition of workers and friends of rescue personnel oneself, tell rescue personnel for digital label 31 on door plant 4, make things convenient for rescue personnel to fix a position, thereby carry out quick rescue.

Referring to the attached fig. 1, 2 and 6 of the specification, the loess tunnel construction strutting arrangement of this embodiment, the fixed bearing 16 that is equipped with in 2 tops of square, the fixed installation piece 17 that is equipped with in 16 tops of bearing, mounting groove 18 has been seted up on 1 top inner wall surface of frame, installation piece 17 is established in mounting groove 18, first screw hole 19 has been seted up at 1 top center department of frame, 19 female connection of first screw hole has screw 20, second screw hole 21 has been seted up at installation piece 17 top, screw 20 establish in second screw hole 21 and with second screw hole 21 threaded connection, can rotate square 2, adjust the angle of square 2 in 1 bottom of frame, make things convenient for the staff to walk.

The implementation scenario is specifically as follows: when using this device to support, can rotate square 2 and rotatory in frame 1 bottom, square 2 and the inside space that exists of frame 1, make things convenient for the staff in the tunnel to walk about, when need not use square 2, unscrew frame 1 top screw 20, just can take out the installation piece 17 at square 2 top from mounting groove 18, then dismantle square 2, the staff also can follow and take out drinking water and food in the storage tank 8 of square 2 cavity 3, for oneself supply physical power, communicate with external staff through communicator 24 on the backing plate 22, know the affairs of working, it is more convenient to use.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a loess tunnel construction strutting arrangement, includes frame (1), frame (1) cross-section sets up to the shape of falling U, its characterized in that: the inner wall of the top of the frame (1) is movably provided with a square block (2), a cavity (3) is formed in the square block (2), outlets are formed in the outer wall surfaces of the front side and the rear side of the square block (2), a door plate (4) is movably hinged to the outlets, three reinforcing ribs (5) are fixedly arranged in the cavity (3), the three reinforcing ribs (5) are uniformly distributed in the center of the inner part of the cavity (3), control components are fixedly arranged on two sides of the outer wall of one reinforcing rib (5), oxygen cylinders (6) are fixedly arranged on two sides of the top of the cavity (3) of the square block (2), an air pipe (7) is fixedly arranged at the bottom of each oxygen cylinder (6), two storage boxes (8) are fixedly arranged on two sides of the bottom of the cavity (3) of the square block (2), a plurality of hydraulic cylinders (9) are fixedly arranged on the top of the frame (1), and a support plate (10) is fixedly arranged on the top of each hydraulic cylinder (9), the improved pressure tester is characterized in that a plurality of telescopic rods (11) are fixedly arranged at the top of the supporting plate (10), an arc-shaped top plate (12) is fixedly arranged at the top of each telescopic rod (11), a plurality of springs (13) are fixedly arranged between the rod end and the cylinder end of each telescopic rod (11), two pressure testers (14) are fixedly arranged between each arc-shaped top plate (12) and the supporting plate (10), grooves (15) are formed in two sides of the bottom of the frame (1), and moving assemblies are arranged in the grooves (15).

2. The loess tunnel construction supporting device according to claim 1, wherein: the fixed bearing (16) that is equipped with in square (2) top, the fixed installation piece (17) that is equipped with in bearing (16) top, mounting groove (18) have been seted up to frame (1) top inner wall surface, installation piece (17) are established in mounting groove (18), first screw hole (19) have been seted up at frame (1) top center department, first screw hole (19) female connection has screw (20), second screw hole (21) have been seted up at installation piece (17) top, screw (20) establish in second screw hole (21) and with second screw hole (21) threaded connection.

3. The loess tunnel construction supporting device according to claim 1, wherein: the control assembly includes backing plate (22), backing plate (22) outer wall fixed surface is equipped with singlechip (23), communicator (24) and wireless signal transmitter (25), establish singlechip (23) bottom communicator (24) and wireless signal transmitter (25), pressure monitor (14) are connected at singlechip (23) input, wireless signal transmitter (25) are connected at singlechip (23) output, establish singlechip (23) link in communicator (24).

4. The loess tunnel construction supporting device according to claim 3, wherein: frame (1) front side top surface is fixed and is equipped with alarm (26), alarm (26) are connected at singlechip (23) output.

5. The loess tunnel construction supporting device according to claim 1, wherein: the moving assembly comprises an electric push rod (27), the cylinder end of the electric push rod (27) is fixedly arranged on the inner wall of the top of the groove (15), a connecting plate (28) is fixedly arranged at the bottom of the rod end of the electric push rod (27), an electric crawler belt (29) is arranged at the bottom of the connecting plate (28), and the electric crawler belt (29) is fixedly connected with the connecting plate (28) through a support (30).

6. The loess tunnel construction supporting device according to claim 1, wherein: the inner wall of the door plate (4) is provided with a number mark (31), and the outer wall of the door plate (4) is fixedly provided with a handle (32).

7. The loess tunnel construction supporting device according to claim 1, wherein: the top of the storage box (8) is provided with an opening, and a cover plate (33) is arranged in the opening.

8. The loess tunnel construction supporting device according to claim 1, wherein: the frame (1), the square blocks (2), the supporting plate (10) and the arc-shaped top plate (12) are all made of concrete.