Concrete curing device for tunnel construction

Abstract

The utility model provides a concrete curing device for tunnel construction. The concrete curing device comprises a supporting frame; the moving plate is slidably arranged on the supporting frame and extends in the length direction of the supporting frame to form a mounting plate, and the mounting plate is provided with a mounting base; the mounting cylinder is provided with a spray pipe for spraying and is rotationally arranged on the mounting base through a fastener, the mounting base is provided with a clamping groove, the mounting cylinder is provided with a first limiting groove and a second limiting groove, and when the first limiting groove corresponds to the clamping groove or the second limiting groove corresponds to the clamping groove, one end of the spray pipe faces the first direction or the second direction; wherein the first direction is perpendicular to the second direction. The spraying pipe is driven by the driving piece and the sliding wheel to move along the supporting frame, spraying maintenance can be conducted on the area along the way in the tunnel, automatic operation is achieved, the tunnel ground, a wire groove and other areas can be maintained by adjusting the direction of the spraying pipe after the side wall is maintained, the working face is improved, and the working efficiency is improved. And other tools do not need to be switched for maintenance operation.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete curing, in particular to a concrete curing device for tunnel construction. Background Art

[0002] With the vigorous development of highway and railway tunnels, the number of long and large tunnels is increasing. The quality requirements in their construction process are relatively strict. For example, concrete is required to be cured for more than 7 days after pouring for 12 hours. Timely maintenance can reduce cracks on the concrete surface and improve structural performance. The conventional maintenance method is manual sprinkling, which not only takes a long time but also wastes manpower.

[0003] For example, the Chinese patent "CN216381426U" discloses "a sprinkler nozzle for curing the second lining concrete of a tunnel". The nozzle makes piston motion in the guide cylinder through the guide block, and the guide block drives the rack to move back and forth synchronously. During the reciprocating motion of the rack, the rack is driven to rotate forward and reversely. While the rack rotates forward and reversely, the nozzle is driven to swing back and forth through the rotating shaft, so as to automatically spray and maintain the concrete of the side walls and arches inside the tunnel. However, the spray range of the above-mentioned nozzle is small. When facing long and large tunnels, multiple sprinklers are required to perform maintenance work, which increases the cost. In addition, the maintenance efficiency of the roads and electric wire trenches on the same plane is low, and other maintenance methods need to be replaced, which increases manpower and time. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a concrete curing device for tunnel construction, which solves the problem in the prior art that when facing long and large tunnels, multiple sprinklers are needed to carry out maintenance work, and different sprinklers are needed to complete the maintenance of the entire tunnel.

[0005] The utility model provides a concrete curing device for tunnel construction, comprising:

[0006] Support frame;

[0007] The movable plate is slidably arranged on the supporting frame and extends along the length direction of the supporting frame to form a mounting plate, and the mounting plate is provided with a mounting seat;

[0008] The mounting tube is provided with a nozzle for spraying and is rotatably mounted on a mounting seat through fasteners. The mounting seat is provided with a card slot, and the mounting tube is provided with a first limiting slot and a second limiting slot. When the first limiting slot corresponds to the card slot or the second limiting slot corresponds to the card slot, one end of the nozzle faces a first direction or a second direction, wherein the first direction is perpendicular to the second direction.

[0009] Preferably, the fastener comprises a fixed shaft, the fixed shaft is passed through between the mounting seat and the mounting tube, the fixed shaft is provided with a limit block, and the limit block is clamped between the card slot and the first limit slot or between the card slot and the second limit slot.

[0010] Preferably, one end of the fixed shaft is provided with a thread, and a nut is connected to the thread.

[0011] Preferably, the mounting tube is provided with two corresponding through grooves, and the connecting end of the nozzle is clamped in one of the through grooves.

[0012] Preferably, an extrusion bolt is threadedly connected to the mounting cylinder, and an end of the extrusion bolt abuts against the nozzle.

[0013] Preferably, it also includes a moving part, which includes two sliding wheels rotatably arranged on the moving plate and a driving part transmission-connected to one of the sliding wheels. A support seat is provided on the moving plate, the driving part is provided on the support seat, the support frame is provided with a sliding groove, and the sliding wheel is provided in the sliding groove.

[0014] Preferably, the support frame comprises a plurality of support segments, and the plurality of support segments are connected end to end.

[0015] Preferably, two ends of the support segment are respectively provided with a positioning groove and a positioning block, and the positioning block is snap-fitted into the positioning groove of the adjacent support segment.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the present scheme, the nozzle for spraying can be installed by means of the installation tube, and there is no need to manually hold the nozzle, thereby reducing the manpower input. Moreover, the installation tube can be rotated under the action of the installation tube, the mounting seat and the fastener. When the installation tube is rotated so that the first limiting groove provided therein is opposite to the slot in the mounting seat, the position of the installation tube can be fixed by the fastener, so that one end of the nozzle faces the first direction, and maintenance work is performed on the inner wall of the tunnel. When the second limiting groove of the installation tube is opposite to the slot, the position of the installation tube can also be fixed by the fastener, so that one end of the nozzle faces the second direction, and maintenance work is performed on the wire trench and road concrete in the tunnel, thereby increasing the area of ​​one-time maintenance of the tunnel construction, and there is no need to switch other tools for maintenance work. Moreover, under the premise that the movable plate is slidably arranged on the support plate, the position of the nozzle can be moved, thereby realizing maintenance work while moving in the tunnel, and realizing maintenance work over a wide range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the nozzle facing the first direction in an embodiment of the utility model.

[0019] Figure 2It is a schematic diagram of the structure of the nozzle facing the second direction in an embodiment of the utility model.

[0020] Figure 3 It is a schematic diagram of the exploded structure of the mounting tube, the fastener and the mounting seat in the embodiment of the utility model.

[0021] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of area A in the middle.

[0022] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the mounting seat in the embodiment of the utility model.

[0023] In the above drawings: 1. support frame; 11. support segment; 12. slide groove; 13. positioning block; 2. movable plate; 21. support seat; 22. slide wheel; 3. mounting plate; 31. mounting seat; 311. slot; 32. fixed shaft; 321. limit block; 33. nut; 4. driving member; 5. mounting cylinder; 51. extrusion bolt; 52. first limit groove; 53. second limit groove; 54. through groove; 6. nozzle. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figures 1 to 4 As shown, the embodiment of the utility model provides a concrete curing device for tunnel construction, comprising:

[0026] Support frame 1;

[0027] The movable plate 2 is slidably disposed on the support frame 1 and extends along the length direction of the support frame 1 to form a mounting plate 3, and the mounting plate 3 is provided with a mounting seat 31;

[0028] The mounting tube 5 is provided with a nozzle 6 for spraying, and is rotatably mounted on the mounting seat 31 through a fastener. The mounting seat 31 is provided with a slot 311, and the mounting tube 5 is provided with a first limiting slot 52 and a second limiting slot 53. When the first limiting slot 52 corresponds to the slot 311 or the second limiting slot 53 corresponds to the slot 311, one end of the nozzle 6 faces the first direction or the second direction, wherein the first direction is perpendicular to the second direction.

[0029] In an embodiment of the utility model, during tunnel construction, the support frame 1 is installed to the inner side of the tunnel, and the spraying pipe 6 for spraying is installed in the installation tube 5. The spraying pipe 6 has a connecting end for connecting to a water source. After the spraying pipe 6 is installed in the installation tube 5, the spraying pipe 6 does not need to be manually held for a long time, and the installation tube 5 supports it to release manpower; when the concrete on the side of the tunnel is sprayed and cured, the position of the installation tube 5 is adjusted, that is, the installation tube 5 is rotated. Under the action of the mounting seat 31 and the fastener, when the installation tube 5 is rotated so that the first limiting groove 52 provided therein is opposite to the card groove 311 in the mounting seat 31, the position of the installation tube 5 can be fixed by the fastener, so that one end of the spraying pipe 6 faces the first direction, the tunnel inner wall of the spraying pipe 6 is vertical, and the plurality of nozzles on the spraying pipe 6 face the tunnel inner wall. Liquid is sprayed through the plurality of nozzles to perform maintenance on the tunnel inner wall, and the movable plate 2 is slidably arranged on the support frame 1. During maintenance, the movable plate 2 can slide on the support frame 1. The nozzle 6 is allowed to perform maintenance over a large area along the length direction of the tunnel; when the concrete floor of the tunnel and the wire trench and wire trough concrete on one side of the bottom surface need to be maintained, the direction of the nozzle 6 can be adjusted to release the restriction of the fastener on the mounting tube 5. By rotating the mounting tube 5, the second limit groove 53 of the mounting tube 5 is opposite to the card groove 311, and the position of the mounting tube 5 is fixed again by the fastener, so that one end of the nozzle 6 is directed from the first direction to the second direction, and the vertical angle of the nozzle 6 is changed, so that the several nozzles of the nozzle 6 are directed toward the concrete floor and the wire trench and wire trough concrete on one side of the bottom surface, and the movable plate 2 slides on the support frame 1, so that the nozzle 6 is allowed to perform maintenance over a large area along the length direction of the tunnel, and will not be affected by the height and width of the inner wall of the tunnel. The nozzle 6 increases the area of ​​one-time maintenance, which not only releases manpower, but also reduces the entire maintenance time, and does not need to switch other tools to maintain the inner wall of the tunnel, the floor and other areas, and has high applicability. Figure 1 and Figure 2 As shown, the dotted line represents the maintenance area.

[0030] like Figure 4 As shown, the fastener includes a fixed shaft 32, which is inserted between the mounting seat 31 and the mounting tube 5. The fixed shaft 32 is provided with a limit block 321, which is clamped between the card slot 311 and the first limit slot 52 or between the card slot 311 and the second limit slot 53.

[0031] When the fixing member 31 is in the state of being moved, the fixing shaft 32 is prevented from rotating after the fixing shaft 32 is in the state of being moved.

[0032] In order to ensure the stability of the fixed shaft 32, a thread is provided at one end of the fixed shaft 32, and a nut 33 is connected to the thread. When the fixed shaft 32 is pulled out and adjusted, the nut 33 engaged at one end is rotated to the end to give the fixed shaft 32 a certain pulling space. When the fixed shaft 32 returns to its position so that the limit block 321 is again clamped into the corresponding first limit groove 52 or second limit groove 53, the nut 33 is rotated to make it fit into the mounting seat 31, so as to limit the effective length of the fixed shaft 32 and prevent it from rotating and causing the limit block 321 to separate from the first limit groove 52 or the second limit groove 53.

[0033] Based on the above scheme, if Figure 3 As shown, the installation tube 5 has two corresponding through grooves 54, and the connection end of the nozzle 6 is clamped in one of the through grooves 54. Since the nozzle 6 is inserted into the installation tube 5, the connection ends for conveying liquid are arranged at both ends of the nozzle 6, and the through grooves 54 can make way for the setting of the connection ends, so as to better install the nozzle 6. Figure 1 As shown, a squeezing bolt 51 is threadedly connected to the mounting tube 5, and the end of the squeezing bolt 51 abuts against the nozzle 6. When the nozzle 6 is inserted into the mounting tube 5, the squeezing bolt 51 threadedly connected to the mounting tube 5 is tightened to squeeze and fix the installed nozzle 6, thereby ensuring its working stability and preventing it from falling off.

[0034] like Figure 1 and Figure 2 As shown, it also includes a moving part, which includes two sliding wheels 22 rotatably arranged on the moving plate 2 and a driving member 4 transmission-connected to one of the sliding wheels 22. A support seat 21 is provided on the moving plate 2, and the driving member 4 is arranged on the support seat 21. The support frame 1 is provided with a sliding groove 12, and the sliding wheel 22 is arranged in the sliding groove 12.

[0035] In the embodiment of the utility model, in order to further reduce the labor input, by setting the moving parts, when implementing maintenance, by turning on the driving part 4, the driving part 4 drives the sliding wheel 22 connected to it to slide in the sliding groove 12 on the support frame 1, so that the moving plate 2 drives the normally working nozzle 6 to slide along the laying direction of the support frame 1, and performs automated maintenance operations on all areas passed along the way. During this period, it is only necessary to adjust the direction of the nozzle 6 according to the area that needs maintenance, and it can be connected to the controller, and the maintenance interval time can be set by the controller, and the driving part 4 can be automatically started to perform maintenance at a certain interval. The above-mentioned driving part 4 adopts a reduction motor and can implement forward and reverse operation. The transmission connection between the driving part 4 and the sliding wheel 22 can adopt belt drive or gear drive. This scheme only shows the belt rotation connection. Pulleys are provided on the driving part 4 and the sliding wheel 22, and the two pulleys are connected by belts.

[0036] In order to facilitate the installation of the support frame 1, the support frame 1 includes a plurality of support segments 11, and the plurality of support segments 11 are connected end to end. When assembling the support frame 1, it is only necessary to splice the plurality of support segments 11. When the support frame 1 is no longer used, the support frame 1 can be split into a plurality of support segments 11 for convenient transportation and storage. Moreover, positioning grooves and positioning blocks 13 are respectively provided at both ends of the support segment 11, and the positioning blocks 13 are snapped into the positioning grooves of the adjacent support segments 11 to ensure the positioning effect of each support frame 1 and facilitate assembly.

[0037] In summary, the present invention supports the nozzle 6 for maintenance spraying by installing the cylinder 5, which does not need to be held manually, thus releasing manpower, and drives the nozzle 6 to move along the support frame 1 through the driving member 4 and the sliding wheel 22, so as to carry out spraying maintenance on the areas along the way in the tunnel, realize automated operation, and after the maintenance of the side wall is completed, the direction of the nozzle 6 can be adjusted to maintain the tunnel floor and cable troughs and other areas, thereby improving the working surface and eliminating the need to switch other tools for maintenance operations.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A concrete curing device for tunnel construction, characterized in that: include: Support frame (1); A movable plate (2) is slidably mounted on the support frame (1) and extends along the length direction of the support frame (1) to form a mounting plate (3), wherein the mounting plate (3) is provided with a mounting seat (31); The mounting tube (5) is provided with a nozzle (6) for spraying and is rotatably mounted on the mounting seat (31) through a fastener. The mounting seat (31) is provided with a clamping groove (311). The mounting tube (5) is provided with a first limiting groove (52) and a second limiting groove (53). When the first limiting groove (52) corresponds to the clamping groove (311) or the second limiting groove (53) corresponds to the clamping groove (311), one end of the nozzle (6) faces a first direction or a second direction, wherein the first direction is perpendicular to the second direction.

2. The concrete curing device for tunnel construction according to claim 1, characterized in that: The fastener comprises a fixed shaft (32), the fixed shaft (32) is inserted between the mounting seat (31) and the mounting tube (5), the fixed shaft (32) is provided with a limit block (321), and the limit block (321) is clamped between the clamping slot (311) and the first limit slot (52) or between the clamping slot (311) and the second limit slot (53).

3. The concrete curing device for tunnel construction according to claim 2, characterized in that: One end of the fixed shaft (32) is provided with a thread, and a nut (33) is connected to the thread.

4. The concrete curing device for tunnel construction according to claim 1, characterized in that: The installation tube (5) is provided with two corresponding through grooves (54), and the connection end of the nozzle (6) is clamped in one of the through grooves (54).

5. The concrete curing device for tunnel construction according to claim 4, characterized in that: The installation tube (5) is threadedly connected with an extrusion bolt (51), and the end of the extrusion bolt (51) is in contact with the nozzle (6).

6. The concrete curing device for tunnel construction according to claim 1, characterized in that: The invention also comprises a moving part, wherein the moving part comprises two sliding wheels (22) rotatably arranged on the moving plate (2) and a driving part (4) drivingly connected to one of the sliding wheels (22); a support seat (21) is provided on the moving plate (2); the driving part (4) is arranged on the support seat (21); the supporting frame (1) is provided with a sliding groove (12); and the sliding wheel (22) is arranged in the sliding groove (12).

7. The concrete curing device for tunnel construction according to claim 1 or 6, characterized in that: The support frame (1) comprises a plurality of support segments (11), and the plurality of support segments (11) are connected end to end.

8. The concrete curing device for tunnel construction according to claim 7, characterized in that: Two ends of the support segment (11) are respectively provided with a positioning groove and a positioning block (13), and the positioning block (13) is snap-fitted into the positioning groove of the adjacent support segment (11).

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