A tunnel ground concrete pouring device and method

Abstract

The present invention discloses a tunnel floor concrete pouring device and method. First, pour an appropriate height and square-shaped concrete onto the formwork, and then fill the gaps between the concrete blocks with the same height of concrete to form a concrete pouring surface with a flat overall surface. A tunnel floor concrete pouring device includes a trestle; a walking mechanism, with a quantity of two, symmetrically arranged at the lower end of the trestle and used for pouring concrete along the length direction of the tunnel; a rotating mechanism, arranged at the lower end of the walking mechanism and used for pouring concrete on both sides of the trestle; a translation mechanism, arranged at the lower end of the rotating mechanism and used for pouring concrete along the width direction of the tunnel; a form box, arranged at the lower end of the translation mechanism. The tunnel floor concrete pouring device and method of the present invention can achieve the pouring of concrete with high efficiency, save a lot of time, and are of great help to the improvement of the overall tunnel construction efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel construction, and specifically to a tunnel floor concrete pouring device and method. Background Technique

[0002] During tunnel construction, it is necessary to pour concrete on the formwork laid on the tunnel floor. The existing pouring method is to directly pour the concrete onto the formwork, and then manually hold a vibrating rod to level the concrete, which wastes a lot of time. For tunnel engineering operations with a short construction period, a high-efficiency pouring scheme is urgently needed. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects, and provide a tunnel floor concrete pouring device and method, which can realize the pouring of concrete with high efficiency, save a lot of time, and can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A tunnel floor concrete pouring method, first pour an appropriate height and square-shaped concrete onto the formwork, and then fill the gaps between the concrete blocks with the same height of concrete to form a concrete pouring surface with a flat overall surface.

[0005] A tunnel floor concrete pouring device, comprising:

[0006] A trestle;

[0007] Two traveling mechanisms, symmetrically arranged at the lower end of the trestle, for pouring concrete along the length direction of the tunnel;

[0008] A rotating mechanism, arranged at the lower end of the traveling mechanism, for pouring concrete on both sides of the trestle;

[0009] A translation mechanism, arranged at the lower end of the rotating mechanism, for pouring concrete along the width direction of the tunnel;

[0010] A form box, arranged at the lower end of the translation mechanism, and an inner formwork frame for concrete forming is arranged inside it;

[0011] A main material guiding pipe, one end of which is connected to the output port of the tank truck, and the other end is communicated inside the inner formwork frame, for pouring a fixed amount of concrete into the inner formwork frame;

[0012] A wide joint compensation mechanism, arranged parallel to one side in the width direction of the form box and connected to the form box through a first connecting rod, for compensating and pouring concrete with the same height for the gap left during the forming in the width direction of the form box;

[0013] The long slit compensation mechanism is arranged parallel to one side in the length direction of the mold box and is connected to the mold box through the second connecting rod. It has the same structure as the wide slit compensation mechanism and is used for compensating and pouring concrete of equal height for the gap left during the forming in the length direction of the mold box.

[0014] As a preferred technical solution of the present invention, a scraper is arranged at the upper end inside the mold box. The lower end of the scraper is flush with the upper surface of the inner mold frame. One side of the scraper is provided with a first electric push rod. The fixed end of the first electric push rod passes through the mold box and is connected to the first bracket, and the first bracket is fixed on the outer side of the mold box.

[0015] As a preferred technical solution of the present invention, a material receiving groove is arranged inside the mold box and on one side of the inner mold frame. One side at the lower end of the material receiving groove is provided with an output pipe orifice, and one side of the output pipe orifice is connected to an external material pumping machine through a hose.

[0016] As a preferred technical solution of the present invention, the wide slit compensation mechanism includes a fixed frame, a slider, a second electric push rod, a second bracket and a material guiding branch pipe. The slider is slidably connected inside the fixed frame. The second electric push rod is arranged on one side of the slider. One end of the second electric push rod passes through the fixed frame and is connected to the second bracket. The second bracket is arranged on one side of the fixed frame. A material guiding branch pipe is arranged on the slider, and the material guiding branch pipe is connected to the output port of the tanker through a hose.

[0017] As a preferred technical solution of the present invention, the traveling mechanism includes a traveling motor, a track and traveling wheels. The tracks are symmetrically arranged on the lower surface of the trestle. The output shaft of the traveling motor is connected to the traveling wheels, and the traveling wheels roll and travel inside the tracks.

[0018] As a preferred technical solution of the present invention, the rotating mechanism includes a rotating shaft, a driven gear, a driving gear and a driving motor. The rotating shaft is rotatably connected to the lower surface of the support plate. The support plate is fixed between two traveling mechanisms. The driven gear is arranged on the outer side of the rotating shaft. The driving gear is meshed and connected to one side of the driven gear. The output shaft of the driving motor is connected to the driving gear, and the driving motor is fixed on the lower surface of the support plate.

[0019] As a preferred technical solution of the present invention, the translation mechanism includes a translation track and a translation motor. The translation motor is electrically slidably connected to the translation track.

[0020] As a preferred technical solution of the present invention, a fixing plate is arranged at the lower end of the translation track. A lifting mechanism is arranged at the lower end of the fixing plate. An installation plate is arranged at the lower end of the lifting mechanism, and the installation plate is detachably connected to the upper surface of the mold box.

[0021] As a preferred technical solution of the present invention, the installation plate is connected to the upper surface of the mold box through fixing bolts.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: By injecting concrete into the inner formwork frame, the concrete is evenly laid on the formwork in a square shape. Then, the gap generated during the placement of the formwork box is compensated for pouring through the wide-gap compensation mechanism and the long-gap compensation mechanism respectively. The entire surface of the concrete is laid by the method of forming and compensating simultaneously, saving the time for manual leveling, facilitating the rapid laying of concrete, shortening the time required for tunnel engineering construction, and greatly improving the convenience of use. Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of the present invention;

[0024] Figure 2 It is another schematic structural diagram of the present invention;

[0025] Figure 3 It is the front view of the present invention;

[0026] Figure 4 is Figure 3 the cross-sectional view at A-A in

[0027] In the figure: 1 trestle, 2 traveling mechanism, 21 traveling motor, 22 track, 23 traveling wheel, 3 support plate, 4 rotating mechanism, 41 rotating shaft, 42 driven gear, 43 driving gear, 44 driving motor, 5 translation mechanism, 51 translation track, 52 translation motor, 6 fixing plate, 7 lifting mechanism, 8 mounting plate, 9 formwork box, 10 fixing bolt, 11 inner formwork frame, 12 material receiving trough, 13 output pipe orifice, 14 scraper, 15 first electric push rod, 16 first bracket, 17 wide-gap compensation mechanism, 171 fixing frame, 172 slider, 173 second electric push rod, 174 second bracket, 175 guide material branch pipe, 18 first connecting rod, 19 second connecting rod, 20 long-gap compensation mechanism, 21 guide material main pipe. Detailed Embodiment

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the upper part of Figure 3 is described as the upper part). Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0029] Please refer to Figures 1-4, the present invention provides a technical solution: a method for pouring tunnel floor concrete. First, pour an appropriate height and square-shaped concrete onto the formwork, and then fill the gaps between the concrete blocks with the same height of concrete to form a concrete pouring surface with a flat overall surface. The pouring device includes:

[0030] A trestle 1;

[0031] Two traveling mechanisms 2, symmetrically arranged at the lower end of the trestle 1. The traveling mechanism 2 includes a traveling motor 21, a track 22, and a traveling wheel 23. The track 22 is symmetrically arranged on the lower surface of the trestle 1. The output shaft of the traveling motor 21 is connected to the traveling wheel 23, and the traveling wheel 23 rolls and travels within the track 22 for pouring concrete along the length direction of the tunnel;

[0032] A rotating mechanism 4, arranged at the lower end of the traveling mechanism 2. The rotating mechanism 4 includes a rotating shaft 41, a driven gear 42, a driving gear 43, and a driving motor 44. The rotating shaft 41 is rotatably connected to the lower surface of the support plate 3. The support plate 3 is fixed between the two traveling mechanisms 2. The driven gear 42 is arranged on the outer side of the rotating shaft 41. The driving gear 43 is meshed and connected to one side of the driven gear 42. The output shaft of the driving motor 44 is connected to the driving gear 43, and the driving motor 44 is fixed on the lower surface of the support plate 3 for pouring concrete on both sides of the trestle 1;

[0033] A translation mechanism 5, arranged at the lower end of the rotating mechanism 4. The translation mechanism 5 includes a translation track 51 and a translation motor 52. The translation motor 52 is electrically slidably connected to the translation track 51. A fixing plate 6 is arranged at the lower end of the translation track 51. A lifting mechanism 7 is arranged at the lower end of the fixing plate 6. An installation plate 8 is arranged at the lower end of the lifting mechanism 7. Preferably, the lifting mechanism 7 is a hydraulic telescopic rod. The installation plate 8 is connected to the upper surface of the form box 9 through fixing bolts 10 for pouring concrete along the width direction of the tunnel. By the detachable connection between the installation plate 8 and the form box 9, different form boxes and inner form frames 11 can be replaced according to the required thickness of the laid concrete;

[0034] The formwork box 9 is arranged at the lower end of the translation mechanism 5. An inner formwork frame 11 for concrete forming is arranged inside it. The height of the inner formwork frame 11 is the thickness of the concrete to be laid. A scraper 14 is arranged at the upper end inside the formwork box 9. The lower end of the scraper 14 is flush with the upper surface of the inner formwork frame 11. A first electric push rod 15 is arranged on one side of the scraper 14. The fixed end of the first electric push rod 15 passes through the formwork box 9 and is connected to the first support 16. The first support 16 is fixed on the outer side of the formwork box 9. A material receiving groove 12 is arranged inside the formwork box 9 and on one side of the inner formwork frame 11. An output pipe orifice 13 is arranged at one side of the lower end of the material receiving groove 12. One side of the output pipe orifice 13 is connected to an external material pumping machine through a hose. The concrete overflowing from the inner formwork frame 11 can be scraped away by the scraper 14 and the material receiving groove 12 and pumped out by the external material pumping machine, ensuring that the concrete is in a regular square shape during forming;

[0035] The main material guiding pipe 21 is connected to the output port of the tanker at one end and communicates inside the inner formwork frame 11 at the other end, and is used for pouring a fixed amount of concrete into the inner formwork frame 11;

[0036] The wide joint compensation mechanism 17 is arranged parallel to one side in the width direction of the formwork box 9 and is connected to the formwork box 9 through the first connecting rod 18. The wide joint compensation mechanism 17 includes a fixed frame 171, a slider 172, a second electric push rod 173, a second support 174 and a material guiding branch pipe 175. The slider 172 is slidably connected inside the fixed frame 171. The second electric push rod 173 is arranged on one side of the slider 172. One end of the second electric push rod 173 passes through the fixed frame 171 and is connected to the second support 174. The second support 174 is arranged on one side of the fixed frame 171. The material guiding branch pipe 175 is arranged on the slider 172. The material guiding branch pipe 175 is connected to the output port of the tanker through a hose and is used for compensating and pouring concrete of equal height into the gap left during the forming in the width direction of the formwork box 9. By arranging the movable material guiding branch pipe 175, the concrete can be laid layer by layer along the gap direction;

[0037] The long joint compensation mechanism 20 is arranged parallel to one side in the length direction of the formwork box 9 and is connected to the formwork box 9 through the second connecting rod 19. It has the same structure as the wide joint compensation mechanism 17 and is used for compensating and pouring concrete of equal height into the gap left during the forming in the length direction of the formwork box 9. The long joint compensation mechanism 20 is perpendicular to the wide joint compensation mechanism 17 in direction and has the same structure and working mode.

[0038] During use: By controlling the start of the traveling motor 21 and the translation motor 5, the mold box 9 is moved to the starting laying position. Then, the switch on the tanker is turned on, and the concrete is injected into the inner mold frame 11 in the mold box 9 through the main material guiding pipe 21. The injection volume is calculated in advance so that the concrete just exceeds the height of the inner mold frame 11, filling the inner mold frame 11 with concrete. At this time, the switch on the tanker is turned off, and the first electric push rod 15 is started to control the scraper 14 to scrape the excess concrete into the material receiving groove 12 and pumped away by an external pumping machine. After the forming is completed, the mold box 9 is lifted by the lifting mechanism 7 and moved to the next position for laying. When laying to the third concrete pouring position in the same row, the gap between the first and second concrete pourings is just below the fixed frame 171 of the wide joint compensation mechanism 17. At this time, the second electric push rod 173 and the tanker switch are turned on to make the slider 172 reciprocate, and the concrete is filled into the gap through the material guiding branch pipe 175 until it is level with the square concrete blocks on both sides. The above operation process is repeated to complete the pouring row by row. When pouring to the third row, the lengthwise gap generated during the pouring of the first two rows is filled by the long joint compensation mechanism 20 in the same way as the wide joint compensation mechanism. After completing the laying on one side of the trestle, the rotation mechanism 4 is controlled to rotate and move the mold box 9 to the other side of the trestle 1 for laying until the concrete pouring on the entire formwork is completed.

[0039] The present invention can complete the concrete pouring of the entire tunnel floor through the forming and laying of concrete and the filling of gaps, without manual vibration and leveling, saving 40% of the original laying time, significantly improving the construction efficiency of the overall tunnel. At the same time, the construction device has a compact structure, reasonable design, convenient operation, realizes intelligent operation, reduces the labor intensity of workers, and greatly improves the usability.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for pouring tunnel floor concrete, characterized in that: First, pour an appropriate amount of concrete of a certain height and in a square shape onto the formwork, and then fill the gaps between the concrete blocks with concrete of the same height to form a concrete casting surface with a flat overall surface; A casting device for the above casting method, comprising: A trestle bridge (1); Two traveling mechanisms (2), symmetrically arranged at the lower end of the trestle bridge (1), for casting concrete along the length direction of the tunnel; A rotating mechanism (4), arranged at the lower end of the traveling mechanism (2), for casting concrete on both sides of the trestle bridge (1); A translation mechanism (5), arranged at the lower end of the rotating mechanism (4), for casting concrete along the width direction of the tunnel; A form box (9), arranged at the lower end of the translation mechanism (5), and an inner formwork frame (11) for concrete forming is arranged inside it; A main material guiding pipe, one end of which is connected to the output port of the tanker truck, and the other end is communicated inside the inner formwork frame (11) for pouring a fixed amount of concrete into the inner formwork frame (11); A wide joint compensation mechanism (17), arranged in parallel on one side in the width direction of the form box (9) and connected to the form box (9) through a first connecting rod (18), for compensating and casting concrete of the same height for the gaps left during the forming in the width direction of the form box (9); A long joint compensation mechanism (20), arranged in parallel on one side in the length direction of the form box (9) and connected to the form box (9) through a second connecting rod (19), having the same structure as the wide joint compensation mechanism (17), for compensating and casting concrete of the same height for the gaps left during the forming in the length direction of the form box (9); The wide joint compensation mechanism (17) includes a fixed frame (171), a slider (172), a second electric push rod (173), a second bracket (174) and a material guiding branch pipe (175). The slider (172) is slidably connected inside the fixed frame (171). The second electric push rod (173) is arranged on one side of the slider (172), and one end of the second electric push rod (173) passes through the fixed frame (171) and is connected to the second bracket (174). The second bracket (174) is arranged on one side of the fixed frame (171). A material guiding branch pipe (175) is arranged on the slider (172), and the material guiding branch pipe (175) is connected to the output port of the tanker truck through a hose; The long joint compensation mechanism (20) is perpendicular to the wide joint compensation mechanism (17) in direction and has the same structure and working mode.

2. A method for casting tunnel floor concrete according to claim 1, characterized in that: An upper end inside the form box (9) is provided with a scraper (14), the lower end of the scraper (14) is flush with the upper surface of the inner formwork frame (11), and a first electric push rod (15) is arranged on one side of the scraper (14). The fixed end of the first electric push rod (15) passes through the form box (9) and is connected to a first bracket (16), and the first bracket (16) is fixed on the outer side surface of the form box (9).

3. A method for casting tunnel floor concrete according to claim 2, characterized in that: A material receiving groove (12) is arranged inside the form box (9) and on one side of the inner formwork frame (11). One side of the lower end of the material receiving groove (12) is provided with an output pipe orifice (13), and one side of the output pipe orifice (13) is connected to an external material pumping machine through a hose.

4. A method for pouring tunnel floor concrete according to claim 1, characterized in that: The walking mechanism (2) includes a walking motor (21), a track (22) and walking wheels (23). The track (22) is symmetrically arranged on the lower surface of the trestle (1). The output shaft of the walking motor (21) is connected to the walking wheels (23), and the walking wheels (23) roll and move within the track (22).

5. A method for pouring tunnel floor concrete according to claim 1, characterized in that: The rotating mechanism (4) includes a rotating shaft (41), a driven gear (42), a driving gear (43) and a driving motor (44). The rotating shaft (41) is rotatably connected to the lower surface of the support plate (3). The support plate (3) is fixed between two walking mechanisms (2). The driven gear (42) is arranged on the outer side of the rotating shaft (41). The driving gear (43) is meshed and connected to one side of the driven gear (42). The output shaft of the driving motor (44) is connected to the driving gear (43), and the driving motor (44) is fixed to the lower surface of the support plate (3).

6. A method for pouring tunnel floor concrete according to claim 1, characterized in that: The translation mechanism (5) includes a translation track (51) and a translation motor (52). The translation motor (52) is electrically slidably connected to the translation track (51).

7. A method for pouring tunnel floor concrete according to claim 6, characterized in that: A fixed plate (6) is arranged at the lower end of the translation track (51). A lifting mechanism (7) is arranged at the lower end of the fixed plate (6). An installation plate (8) is arranged at the lower end of the lifting mechanism (7). The installation plate (8) is detachably connected to the upper surface of the mold box (9).

8. A method for casting tunnel floor concrete according to claim 7, characterized in that: The installation plate (8) is connected to the upper surface of the mold box (9) by fixing bolts (10).

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