A spraying maintenance device for tunnel construction

By designing an automated spray curing device, the problems of high demand for manual curing and space occupation of equipment in tunnel construction have been solved, realizing intelligent and full-section curing of tunnel concrete and improving curing efficiency and effectiveness.

CN114876509BActive Publication Date: 2026-04-21SHANGHAI CIVIL ENG GRP CO LTD OF CREC +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI CIVIL ENG GRP CO LTD OF CREC
Filing Date
2022-05-17
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In current tunnel construction, concrete curing requires a large amount of manual labor, and existing equipment occupies a lot of space and is costly, making it impossible to achieve intelligent and full-section curing, resulting in poor curing effect.

Method used

A spray curing device was designed, including a spraying mechanism, an adjustment mechanism, and a control system. The spraying water pipes are moved automatically using a track and a traveling hanger. Intelligent monitoring and control are achieved by combining temperature and humidity sensors. The spraying water pipes are arranged on the tunnel arch, reducing the space occupied on the ground.

Benefits of technology

It enables automated curing of tunnel concrete, reducing manual labor, saving space, improving curing efficiency and effectiveness, adapting to different tunnel lengths, and reducing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the field of spraying equipment, in particular to a spraying maintenance device for tunnel construction, which comprises a spraying mechanism, the spraying mechanism is connected with an adjusting mechanism; the spraying mechanism comprises a spraying water pipe; the spraying water pipe is connected with a water supply pipe; the adjusting mechanism comprises a track, the track is connected with a walking hanger, the spraying water pipe is connected on the walking hanger; the spraying water pipe is connected with the track through the walking hanger; the walking hanger is connected with a driving part for driving the walking hanger to move on the track; the spraying maintenance device is arranged at a tunnel vault; the application discloses a spraying maintenance device for tunnel construction, which can realize subsequent automatic maintenance operation of tunnel concrete; the use of manual work is greatly reduced; meanwhile, the spraying maintenance device disclosed by the application is arranged at the top of the tunnel, the occupied space on the ground of the tunnel is reduced, and the movement interference between the ground equipment and the spraying maintenance device is avoided.
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Description

Technical Field

[0001] This invention relates to the field of spray equipment, specifically a spray curing device for tunnel construction. Background Technology

[0002] With the booming development of highway and railway tunnels, the number of long and large tunnels in my country is increasing. During the construction of the secondary lining concrete of tunnels, the air inside the tunnel is dry after the concrete is poured. If curing is not carried out in time, the moisture in the concrete will evaporate too quickly, resulting in dehydration. This will cause flaking or powdering on the concrete surface. Therefore, it is necessary to spray the concrete sidewalls inside the tunnel for curing.

[0003] Currently, most initial concrete supports are cured manually or with mist cannons. Each curing session requires 3-4 people, which limits the operation, results in incomplete curing, high costs, slow curing speed, and significant waste of water resources. Furthermore, there are issues such as inadequate curing across the entire cross section and poor curing effect, which significantly impacts the strength gain of the concrete. In addition, most existing curing trolleys occupy too much space inside the tunnel, have high operating costs, are inconvenient to move, have short curing distances, and cannot achieve intelligent curing, requiring dedicated personnel to operate them.

[0004] Therefore, a spray curing device that can be used for tunnel maintenance and is easy to use and deploy is what is needed now. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a convenient spray curing device for tunnel construction.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0007] A spray curing device for tunnel construction includes a spraying mechanism connected to an adjusting mechanism; the spraying mechanism includes a spray water pipe connected to a water supply pipe; the adjusting mechanism includes a track connected to a traveling frame, the spray water pipe being connected to the traveling frame; the spray water pipe being connected to the track via the traveling frame; the traveling frame being connected to a driving component for moving the traveling frame on the track; the spray curing device is arranged at the tunnel arch.

[0008] The drive unit includes a winch connected to the end of the track, and the winch is connected to the traveling frame via a wire rope.

[0009] The drive component also includes a pulley section mounted on the track, the pulley section comprising a fixed pulley mounted on the end of the track away from the winch and a pulley block mounted on the side closer to the winch; the wire rope is arranged on the track through the pulley section.

[0010] The track end is connected to a connecting plate, which has multiple connecting holes.

[0011] The track is connected to the pre-embedded channel in the tunnel arch via a bridging part; the bridging part includes a track hanger, the lower end of which is provided with a through slot, the track is arranged in the through slot, and the bottom of the through slot is provided with a bullseye wheel.

[0012] The spray curing device also includes welding brackets set on a track; at least two welding brackets are provided on the track; hoisting steel ropes are provided between adjacent welding brackets; and the water supply pipe is connected to the hoisting steel ropes.

[0013] The water supply pipe is attached to the hoisting steel rope via a lifting ring.

[0014] The spray pipe is arc-shaped and has multiple spray holes; a support rod is provided on the inner side of the spray pipe.

[0015] The end of the track is connected to a traction steel rope, which is connected to the lining trolley.

[0016] The spray curing device also includes a control system, which includes a detection module connected to the control module and an execution module connected to the control module.

[0017] The advantages of this invention are:

[0018] This invention discloses a spray curing device for tunnel construction. The spray curing device disclosed in this invention can realize the subsequent automatic curing operation of tunnel concrete, greatly reducing the use of manual labor. At the same time, the spray curing device disclosed in this invention is arranged at the top of the tunnel, reducing the space occupied on the tunnel ground and avoiding movement interference between the ground equipment and the spray curing device. In addition, its movement length can be changed by using a long track to increase the curing distance, ensuring that the concrete can be fully cured during the curing period. Attached Figure Description

[0019] The following is a brief explanation of the contents of each of the accompanying drawings and the markings in the drawings:

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the BB cross-section structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the AA cross-section structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the electrical connection of the present invention;

[0025] Figure 6 This is a schematic diagram of the optimized track and traveling gantry structure in this invention;

[0026] Figure 7 for Figure 6 A magnified view of a portion of the image;

[0027] In the diagram: 1. Track, 2. Traveling gantry, 3. Connecting plate, 4. Track gantry, 5. Wire rope, 6. Fixed pulley, 7. Two-way inductive switch, 8. Arc-shaped sprinkler pipe, 9. Pulley block, 10. Double drum winch, 11. Winch gantry, 12. Traction steel rope, 13. U-bolt, 14. Bullseye wheel, 15. Support rod, 16. Lifting ring, 17. Water pipe wire rope, 18. Bracket, 19. Water supply pipe, 20. Temperature sensor, 21. Humidity sensor. Detailed Implementation

[0028] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and the description of the preferred embodiments.

[0029] A spray curing device for tunnel construction includes a spraying mechanism connected to an adjusting mechanism; the spraying mechanism includes a spray water pipe 8; the spray water pipe 8 is connected to a water supply pipe 19; the adjusting mechanism includes a track 1, the track 1 is connected to a traveling frame 2, and the spray water pipe 8 is connected to the traveling frame 2; the spray water pipe 8 is connected to the track 1 via the traveling frame 2; the traveling frame is connected to a driving component for driving the traveling frame 2 to move on the track 1; the spray curing device is arranged at the tunnel arch; this invention discloses a spray curing device for tunnel construction, which can realize automatic subsequent curing operations of tunnel concrete; greatly reducing the use of manual labor; at the same time, the spray curing device is arranged at the top of the tunnel, reducing the space occupied on the tunnel surface, and avoiding movement interference between ground equipment and the spray curing device.

[0030] Specifically, the basic purpose of the spray curing device disclosed in this invention is to perform curing operations on tunnels during tunnel construction. It mainly includes a spraying mechanism that sprays water onto the inner wall of the tunnel to achieve the actual curing operation. Furthermore, in this invention, the aforementioned spraying mechanism is connected to an adjustment mechanism. The adjustment mechanism serves two purposes: firstly, it facilitates the placement of the spraying mechanism on the tunnel; secondly, it allows for automatic repositioning of the spraying mechanism, thereby achieving overall spray curing of the tunnel. Specifically, the spraying mechanism in this invention includes a spray water pipe 8; the spray water pipe 8 is connected to a water supply pipe 19; the water supply pipe 19 can be connected to water supply equipment, such as a water pump, to supply water to the spray water pipe and achieve the spray curing operation. The adjustment mechanism includes a track 1. Track 1 serves two functions: connection and guidance. In this invention, track 1 includes a left track body 1-1 and a right track body 1-2, which are symmetrically distributed. The vertical cross-sections of the left track body 1-1 and right track body 1-2 are C-shaped and spaced apart. Their upper ends are connected by a connecting horizontal plate 1-3. This arrangement creates a groove structure on the inner side of track 1, which acts as a guide groove during actual use. This not only facilitates the subsequent arrangement of the traveling frame 2 but also ensures the stability of the traveling frame 2's arrangement and operation. Furthermore, in this invention, track 1 is connected to the traveling frame 2, which plays a crucial role in... The good bridging effect facilitates the arrangement of the spray pipe 8 on the track 1. In actual arrangement, the traveling hanger 2 passes through the track 1 and the subsequent track hanger 4; that is, the traveling hanger 2 and the track hanger 4 are provided with avoidance sink grooves. This setting can prevent the lateral movement of the traveling hanger 2 from interfering with the track 1 and the lower end of the track hanger 4. In addition, in this invention, the traveling hanger 2 is equivalent to being hung on the track 1. Therefore, the traveling hanger 2 of this invention includes an upper crossbeam 2-1 and a lower crossbeam 2-3. The upper crossbeam 2-1 is connected to the lower crossbeam 2-3 through a longitudinal beam 2-2. The upper crossbeam 2-1, the longitudinal beam 2-2, and the lower crossbeam 2-3 form an I-shaped structure, which gives the traveling hanger 2 its own limiting and guiding capabilities, which is beneficial for ensuring safety. To ensure the stability of the entire device; in addition, in this invention, the length of the lower crossbeam 2-3 is much greater than the length of the upper crossbeam 2-1. This arrangement helps to ensure the stability of the entire traveling frame 2; in specific arrangement, the spray water pipe 8 is connected to the traveling frame 2; the spray water pipe 8 is connected to the track 1 through the traveling frame 2; at the same time, in order to facilitate the subsequent autonomous movement of the spray water pipe 8, in this invention, the traveling frame is connected to a drive component for driving the traveling frame 2 to move on the track 1; the purpose of the drive component is to drive the traveling frame to move along the track 1, thereby realizing the spraying operation of the entire tunnel; it should also be noted that the spraying maintenance device disclosed in this invention is arranged at the tunnel arch;This invention employs an arrangement that not only ensures the sprayed water reaches the tunnel walls quickly but also reduces the space occupied by the spraying device at the lower end of the tunnel, preventing interference with other supports or equipment within the tunnel during subsequent movement of the spraying device.

[0031] Furthermore, in this invention, the upper crossbeam 2-1 is provided with movable rollers 2-4 at both ends. The length of the upper crossbeam 2-1 is not greater than the maximum gap between the left track 1-1 and the right track 1-2, and is not less than the minimum gap between the left track 1-1 and the right track 1-2. The aforementioned maximum gap and minimum gap refer to the gap formed by the alternating distribution of the left track 1-1 and the right track 1-2. The maximum gap refers to the gap in the middle, and the minimum gap refers to the minimum gap at the edge of the left track 1-1 and the right track 1-2. This design avoids the problem of the upper crossbeam 2-1 deviating from the track. In addition, the upper crossbeam 2-1 is provided with movable rollers 2-4 in this invention, which facilitates the movement of the upper crossbeam 2-1 within the track.

[0032] Furthermore, the track in this invention is provided with a buffer assembly 2-3, which includes a buffer part, a buffer spring 2-31 disposed on the inner wall of the track, and a pressure plate 2-32 disposed at the end of the buffer spring 2-31. The pressure plate 2-32 of this invention presses against the side of the traveling frame, playing a good buffering role and buffering the left and right sway of the traveling frame. In addition, as an optimization, the pressure plate 2-32 of this invention is provided with a through hole, and the pressure plate 2-32 is sleeved on the upper crossbeam of the traveling frame through the through hole and presses against the side of the moving roller. This arrangement can well ensure the stability of the buffer part on the track and the traveling frame. In actual arrangement, two buffer parts are provided on both sides of the track, and the two buffer parts are respectively disposed on both sides of the traveling frame to realize the compression buffer on both sides of the traveling frame.

[0033] Furthermore, in this invention, the lower end of the track gantry is provided with a correction mechanism, which includes a correction electric cylinder 2-33 mounted on the track gantry. In subsequent use, when the traveling gantry deviates, the correction electric cylinder 2-33 in the correction mechanism can be used to correct and reshape the traveling gantry, ensuring the straightness of the traveling gantry's movement.

[0034] In addition, a pressure sensor can be installed on the pressure plate 2-32. The pressure sensor itself has a limit value. When the limit value is reached, the control system can automatically intervene the correction mechanism to achieve automatic adjustment of the traveling hanger.

[0035] Furthermore, the driving component in this invention includes a winch 10 connected to the end of the track 1. The winch 10 is connected to the traveling frame 2 via a wire rope 5. In actual arrangement, the winch 10 is connected to the track 1 via a winch frame 11. The connection method can be welding or bolting, depending on the specific needs. In addition, in this invention, the winch 10 is a double-drum winch 10. The winch 10 can pull the wire rope 5, which is connected to the traveling frame 2. This causes the traveling frame 2 to be subjected to a lateral force, thereby causing the traveling frame 2 to move laterally on the track 1, which in turn enables the spray pipe 8 to move laterally, and finally causes the spraying device to move along the length of the tunnel, realizing the spraying operation of the entire tunnel.

[0036] Furthermore, the driving component in this invention also includes a pulley section disposed on the track 1. The pulley section includes a fixed pulley 6 disposed on the end of the track 1 away from the winch 10 and a pulley block 9 disposed on the side closer to the winch 10. The wire rope 5 is arranged on the track 1 through the pulley section. The present invention, through the setting of the pulley section, can facilitate the routing of the wire rope 5, facilitate the arrangement of the wire rope 5, and also facilitate the stability of the subsequent movement of the traveling gantry 2.

[0037] Furthermore, in this invention, a connecting plate 3 is connected to the end of the track 1, and the connecting plate 3 has multiple connecting holes. The connecting plate 3 serves as a connecting part, and the connecting plate has a connecting flange structure. It is arranged at the end edge of the track 1. The purpose is to connect two adjacent tracks 1 when they are docked. Through this structural design, the length of the track 1 in the spray curing device disclosed in this invention can be changed as needed, which greatly improves the applicability of this invention. In actual deployment, spray curing devices of different lengths can be arranged according to different tunnel lengths, increasing the applicability of the device. At the same time, it only increases the length of the wire rope 5 and the number of tracks 1, making the cost controllable and extremely beneficial for use in actual production. Based on this setting, the movement length can be changed by lengthening the track, increasing the curing distance, and ensuring that the concrete can be fully cured during the curing period.

[0038] Furthermore, in this invention, the track 1 is connected to the pre-embedded channel in the tunnel arch via a bridging part; the bridging part facilitates the arrangement of the spray curing device at the tunnel top. Specifically, the bridging part includes a track hanger 4, which serves as a connecting frame foundation, facilitating the placement of the track 1 in the tunnel. Specifically, the lower end of the track hanger 4 is provided with a through slot, in which the track 1 is placed. The through slot provides excellent placement, facilitating the arrangement of the track 1 on the track hanger 4. Additionally, in this invention… The bottom of the through-slot is equipped with a bullseye wheel 14; the bullseye wheel 14 provides good bottom support and avoids wear and tear on the track 1 caused by the bottom of the through-slot; it also facilitates subsequent movement operations. Specifically, the end of the track 1 is connected to a traction steel rope 12, which is connected to the lining trolley; in actual use, the lining trolley can pull the traction steel rope 12 to move laterally, thereby controlling the relative position of the track 1 and the track hanger 4, thus realizing the change of position of each track 1; it is convenient to adjust the position of the track 1 as needed.

[0039] Furthermore, the spray curing device in this invention also includes a welded bracket 18 mounted on the track 1; at least two welded brackets 18 are provided on the track 1; a hoisting steel rope 17 is provided between adjacent welded brackets 18; the water supply pipe 19 is connected to the hoisting steel rope 17; in this invention, the welded bracket 18 plays a good limiting role, preventing the track 1 from detaching from the aforementioned track hanger 4. Another function is to facilitate the arrangement of the hoisting steel rope 17, thereby facilitating the arrangement of the water supply pipe 19 and preventing the water supply pipe 19 from being subjected to excessive external force due to gravity at the connection between the spray pipe 8 and the water supply pipe 19; in other words, the hoisting steel rope 17 of this invention can provide a certain longitudinal support force to the water supply pipe 19, preventing excessive force at the interface between the water supply pipe 19 and the spray pipe 8.

[0040] Furthermore, in this invention, the water supply pipe 19 is attached to the hoisting steel rope 17 via a lifting ring 16. The installation of the lifting ring 16 facilitates the arrangement of the water supply pipe 19 on the hoisting steel rope 17, and also facilitates the subsequent pulling of the water supply pipe 19, ensuring the ease of use of the entire spraying maintenance device.

[0041] Furthermore, in this invention, the spray pipe 8 is arc-shaped and has multiple spray holes; a support rod 15 is provided on the inner side of the spray pipe 8; the support rod 15 provides good internal support and helps to ensure the overall structural strength of the spray pipe 8.

[0042] Furthermore, the spray curing device in this invention also includes a control system. The control system includes a detection module connected to the control module, and the control module connected to the execution module. In this invention, the detection module is a signal detection device, specifically a temperature sensor and a humidity sensor installed on the spray water pipe 8, and a bidirectional inductive switch 7 installed at both ends of the track 1. This device receives signals from the corresponding area and transmits them to the control module. After receiving the corresponding signal, the control module identifies it and issues a command to control the execution module to perform actions, thereby achieving the corresponding objective. In this invention, the control module can be a controller or a traditional computer. The execution module is a winch 10 or a water supply device, etc. The purpose of the control system in this invention is to automate the operation of the spray curing device. Specifically, the detection module detects relevant information and transmits it to the control module. After identification and judgment, the control module issues a command to control the execution module to perform actions, thereby achieving the entire spray curing device's maintenance operation on the tunnel.

[0043] specific;

[0044] The spraying maintenance device disclosed in this invention mainly includes a double-drum winch 10, a track 1, and an arc-shaped spray pipe 8. The upper end of the double-drum winch 10 is connected to a winch hanger 11 by bolts. The winch hanger 11 is welded to one end of the track 1. The other end of the track 1 is provided with a fixed pulley 6. A pulley block 9 is installed above the double-drum winch 10. A traveling hanger 2 is provided inside the track 1. The traveling hanger 2 is connected to the double-drum winch 10, the pulley block 9, and the fixed pulley 6 by steel wire ropes 5. The lower end of the traveling hanger 2 is fixedly connected to the arc-shaped spray pipe 8. The arc-shaped spray pipe 8 is provided with a temperature sensor 20 and a humidity sensor 21. A water supply pipe 19 is provided at the lower end of the arc-shaped spray pipe 8. Both ends of the track 1 are provided with bidirectional inductive switches 7.

[0045] Preferably, brackets 18 are welded to both ends of the track 1, and a hoisting steel rope 17 is provided between the brackets. The hoisting steel rope 17 is movably connected to the water supply pipe 19 through a lifting ring 16.

[0046] Preferably, the track 1 is provided with a track hanger 4 on its outside, and the bottom of the inner side of the track hanger 4 is provided with a bullseye wheel 14. The upper end of the track hanger 4 is fixedly connected to the tunnel arch pre-embedded groove by T-bolts.

[0047] Preferably, the connecting plates 3 are fixedly connected between the tracks 1 by bolts, and the tracks 1 are connected to the tunnel lining trolley by traction steel rope 12.

[0048] Preferably, the traveling frame 2 and the arc-shaped spray pipe 8 are fixedly connected by U-bolts 13.

[0049] Preferably, a support rod 15 is connected between the two sides of the arc-shaped spray pipe 8.

[0050] Preferably, the double-drum winch 10, temperature sensor 20, humidity sensor 21, and bidirectional inductive switch 7 are all electrically connected.

[0051] Technical effects and advantages of the present invention: The spraying maintenance device disclosed in this invention includes a double-drum winch 10, a track 1, and an arc-shaped spray water pipe 8. The upper end of the double-drum winch 10 is bolted to a winch hanger 11. The winch hanger 11 is welded to one end of the track 1, thus fixing the double-drum winch 10 to the front end of the track 1. The track 1 allows for a set long-distance operating range. The other end of the track 1 is equipped with a fixed pulley 6. A pulley block 9 is installed above the double-drum winch 10. A traveling hanger 2 is provided inside the track 1. The traveling hanger 2 is connected to the double-drum winch 10, the pulley block 9, and the fixed pulley 6 via steel wire ropes 5. Power transmission is achieved through the double-drum winch 10, the pulley block 9, the fixed pulley 6, and the steel wire ropes 5. The traveling gantry 2 allows for easy movement within the track 1. The lower end of the traveling gantry 2 is fixedly connected to an arc-shaped spray pipe 8, which provides spray curing for the tunnel lining. This design minimizes the space occupied during use. The arc-shaped spray pipe 8 is equipped with a temperature sensor 20 and a humidity sensor 21, enabling intelligent monitoring of tunnel temperature and humidity. A water supply pipe 19 is located at the lower end of the arc-shaped spray pipe 8, providing a water supply path for the curing process. Both ends of the track 1 are equipped with bidirectional sensor switches 7, allowing the traveling gantry 2 to move back and forth within the length of the track 1 without requiring dedicated personnel for maintenance, reducing labor costs and achieving automatic curing.

[0052] Figure 1This is a schematic diagram of the structure of the present invention. The spray curing device disclosed in this invention includes a double-drum winch 10, a track 1, and an arc-shaped spray water pipe 8. A fixed pulley 6 is provided at one end of the track 1. A pulley block 9 is installed above the double-drum winch 10. A traveling frame 2 is provided inside the track 1. The traveling frame 2 is fixedly connected to the arc-shaped spray water pipe 8 by U-bolts 13. The traveling frame 2 enables the traction of the arc-shaped spray water pipe 8 within the track 1. The arc-shaped spray water pipe 8 is equipped with a temperature sensor 20 and a humidity sensor 21. The temperature sensor 20 and humidity sensor 21 enable intelligent monitoring of the temperature and humidity of the tunnel lining concrete during the curing period. The traveling frame 2 is connected to the double-drum winch 10, the pulley block 9, and the fixed pulley 6 by steel wire ropes 5. The steel wire ropes 5, the pulley block 9, and the fixed pulley 6 transmit the power of the double-drum winch 10 to both ends of the traveling frame 2. Furthermore, the walking gantry 2 can automatically move within the track 1. Both ends of the track 1 are welded with brackets 18, and a hoisting steel rope 17 is provided between the welded brackets 18. The hoisting steel rope 17 is tightened through the welded brackets 18. The hoisting steel rope 17 is movably connected to the water supply pipe 19 through a lifting ring 16. The water supply pipe 19 can move along the arc-shaped spray pipe 8 through the lifting ring 16. Both ends of the track 1 are equipped with bidirectional induction switches 7. The bidirectional induction switches 7 enable the walking gantry 2 to drive the arc-shaped spray pipe 8 to move back and forth within the track 1, further achieving full curing of the tunnel lining. The track 1 is connected to the tunnel lining trolley through a traction steel rope 12. The traction steel rope 12 provides the power source for the movement of the track 1. The connecting plates 3 are fixedly connected between the tracks 1 through bolts. The connecting plates 3 enable the track 1 to be extended, ensuring that the concrete can be fully cured during the curing period.

[0053] Figure 2 This is a schematic diagram of the BB cross-section structure of the present invention; the track 1 is provided with a track hanger 4 on its outside. The upper end of the track hanger 4 is fixedly connected to the pre-embedded groove of the tunnel arch by T-bolts. The track hanger 4 realizes the fixation of the track 1 to the tunnel arch, reducing the use of ground space in the tunnel and improving the utilization rate of the limited space in the tunnel. The bottom inner side of the track hanger 4 is provided with bullseye wheels 14. The bullseye wheels 14 reduce frictional resistance when the track 1 moves with the lining trolley, making it easier to move.

[0054] Figure 3 This is a schematic diagram of the AA cross-section structure of the present invention; the upper end of the double drum winch 10 is bolted to the winch hanger 11. The winch hanger 11 can both firmly fix the double drum winch 10 and make it easy to disassemble. The winch hanger 11 is welded to one end of the track 1. By welding the winch hanger 11 to one end of the track 1, the winch hanger 11 is fixed on the track 1.

[0055] Figure 4 This is a schematic diagram of the cross-sectional structure of the present invention; a support rod 15 is fixedly connected between the two sides of the arc-shaped spray water pipe 8. The support rod 15 provides support for the arc-shaped spray water pipe 8 during automatic walking maintenance, thereby improving its stability during use.

[0056] Figure 5 This is a schematic diagram of the electrical connection of the present invention; the double drum winch 10, temperature sensor 20, humidity sensor 21, and bidirectional inductive switch 7 are all electrically connected. The temperature sensor 20 and humidity sensor 21 intelligently monitor the temperature and humidity of the concrete surface. When the monitored data does not match the set data, the double drum winch 10 and the external water supply pump are started to realize intelligent spray curing.

[0057] Obviously, the specific implementation of this invention is not limited to the above-described methods. Any non-substantial improvements made using the inventive concept and technical solution of this invention are within the protection scope of this invention.

Claims

1. A spray curing device for tunnel construction, characterized in that, It includes a spraying mechanism, which is connected to an adjusting mechanism; the spraying mechanism includes a spray water pipe; the spray water pipe is connected to a water supply pipe; The adjustment mechanism includes a track, to which a traveling frame is connected, and a spray water pipe is connected to the traveling frame; the spray water pipe is connected to the track via the traveling frame; the traveling frame is connected to a drive component for driving the traveling frame to move on the track; the spray curing device is arranged at the tunnel arch. The end of the track is connected to a connecting plate, and the connecting plate is provided with multiple connecting holes; The track is connected to the pre-embedded channel in the tunnel arch via a bridging part; the bridging part includes a track hanger, the lower end of which is provided with a through slot, the track is arranged in the through slot, and a bullseye wheel is provided at the bottom of the through slot; The end of the track is connected to a traction steel rope, which is connected to the lining trolley. During use, the lining trolley can pull the traction steel rope to move laterally, thereby controlling the relative position of the track and the track hanger. The spray curing device also includes welding brackets set on a track; at least two welding brackets are provided on the track; a hoisting steel rope is provided between adjacent welding brackets; the water supply pipe is connected to the hoisting steel rope; the water supply pipe is hung on the hoisting steel rope through a lifting ring; The track includes a left track and a right track, which are symmetrically distributed. The vertical cross-section of the left track and the right track is C-shaped and spaced apart. The upper ends of the left track and the right track are connected by a connecting plate. The inner side of the track has a sinkhole structure. The traveling gantry and track gantry are equipped with clearance sinkholes; The traveling frame includes an upper crossbeam and a lower crossbeam. The upper crossbeam is connected to the lower crossbeam via a longitudinal beam. The upper crossbeam, the longitudinal beam, and the lower crossbeam form an I-shaped structure. The length of the lower crossbeam is much greater than the length of the upper crossbeam; In a specific arrangement, the spray pipe is connected to the traveling frame; the spray pipe is connected to the track through the traveling frame; The upper crossbeam is equipped with movable rollers at both ends. The length of the upper crossbeam is not greater than the maximum gap between the left and right tracks, and is not less than the minimum gap between the left and right tracks. The maximum gap refers to the gap in the middle; the minimum gap refers to the smallest gap at the edge of the left and right tracks. The track is equipped with a buffer assembly, which includes a buffer part, a buffer spring disposed on the inner wall of the track, and a pressure plate disposed at the end of the buffer spring; the pressure plate presses against the side of the traveling frame. The pressure plate is provided with through holes. The pressure plate is sleeved on the upper crossbeam of the traveling frame through the through holes and presses against the side of the moving roller. Two buffer sections are provided on both sides of the track, which are respectively located on both sides of the traveling frame to achieve compression buffering on both sides of the traveling frame; The lower end of the track hanger is provided with a correction mechanism, which includes a correction electric cylinder mounted on the track hanger. In subsequent use, when the traveling hanger deviates, the correction electric cylinder in the correction mechanism corrects and reshapes the traveling hanger, ensuring the straightness of the traveling hanger's movement.

2. The spray curing device for tunnel construction according to claim 1, characterized in that, The drive unit includes a winch connected to the end of the track, and the winch is connected to the traveling frame via a wire rope.

3. The spray curing device for tunnel construction according to claim 2, characterized in that, The drive component also includes a pulley section mounted on the track, the pulley section comprising a fixed pulley mounted on the end of the track away from the winch and a pulley block mounted on the side closer to the winch; the wire rope is arranged on the track through the pulley section.

4. The spray curing device for tunnel construction according to claim 1, characterized in that, The spray pipe is arc-shaped and has multiple spray holes; a support rod is provided on the inner side of the spray pipe.

5. A spray curing device for tunnel construction according to claim 1, characterized in that, The spray curing device also includes a control system, which includes a detection module connected to the control module and an execution module connected to the control module.

Citation Information

Patent Citations

  • Tunnel primary support concrete spraying and curing device

    CN211314233U