Spraying maintenance device for lining surface of open cut tunnel

Abstract

The utility model discloses an open cut tunnel lining surface spraying maintenance device which comprises an inner mold trolley, a plurality of horizontally-arranged lengthening rods are arranged on the surface of the side, back on to the advancing direction of the inner mold trolley, of the inner mold trolley, the lengthening rods extend into an upper mold open cut tunnel in the direction away from the inner mold trolley, each lengthening rod is provided with a plurality of water sprinklers, and the water sprinklers are arranged on the inner mold trolley. A plurality of water outlet holes are formed in the side, facing the lining face of the open cut tunnel, of the water sprinkler and used for forming a water sprinkling range to the lining face of the open cut tunnel. According to the utility model, the inner mold trolley is provided with a plurality of extension rods extending to the interior of the upper mold open cut tunnel, and the extension rods are provided with a plurality of water sprinklers of which the sum of the water sprinkling ranges can completely cover the lining surface of the upper mold open cut tunnel; the sprinkler is connected with an external pressurized water supply source through the water pipe to perform uniform sprinkling maintenance on the poured lining surface of the open cut tunnel, and compared with a manner of manually operating the water pipe of a sprinkler to sprinkle water, fuel and manpower resources of the sprinkler are saved, and sprinkling is more uniform.

Description

Technical Field

[0001] The utility model belongs to the technical field of maintenance devices for the lining surface in a daylight tunnel, and particularly relates to a spraying maintenance device for the lining surface in a daylight tunnel. Background Technique

[0002] In the case of shallow tunnel burial depth and thin overlying rock mass, in order to avoid disasters such as landslides, rockfalls, landslides, and debris flows on the side slopes and inverted slopes, the traditional excavation method should not be used, and the open cut method should be adopted to excavate the tunnel. The tunnel structure constructed by this open cut method is usually called a daylight tunnel. The daylight tunnel has good integrity and can bear large vertical pressure and lateral pressure. The lining trolley for the daylight tunnel is a product designed for lining the daylight tunnel.

[0003] At the present stage, the concrete construction of the daylight tunnel adopts the inner and outer formwork lining trolleys to cooperate for long-distance lining construction. After a form of the daylight tunnel is poured, it is necessary to sprinkle water on the inner formwork lining surface in time. The traditional maintenance method requires the use of a sprinkler truck, and at the same time, it is necessary to manually operate the water pipe to complete the spraying maintenance work. The process is relatively complex, resulting in waste of sprinkler truck fuel and human resources; uneven manual spraying may affect the quality of the lining surface, and excessive spraying wastes water resources. Content of the Utility Model

[0004] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a spraying maintenance device for the lining surface in a daylight tunnel.

[0005] To solve the above problems, the utility model adopts the following technical solutions:

[0006] A spraying maintenance device for the lining surface in a daylight tunnel, including an inner formwork trolley. A plurality of horizontally arranged extension rods are provided on one side surface of the inner formwork trolley facing away from its advancing direction. The extension rods extend towards the inside of the previous form of the daylight tunnel away from the inner formwork trolley. A plurality of sprinklers are provided on each extension rod. A plurality of water outlet holes are provided on the side of the sprinkler facing the lining surface in the daylight tunnel for forming a sprinkling range towards the lining surface in the daylight tunnel. The sum of the sprinkling ranges of all the sprinklers on all the extension rods can completely cover the inner lining surface of the previous form of the daylight tunnel. The sprinkler is connected to an external pressurized water supply source through a water pipe.

[0007] Preferably, the sprinkler is an automatic swing sprinkler.

[0008] Preferably, a steel wire rope is connected to one end of the extension rod away from the inner formwork trolley, and the other end of the steel wire rope is obliquely upward connected to the inner formwork trolley. The steel wire rope is stretched and connected between the end of the extension rod and the inner formwork trolley.

[0009] Preferably, the extension rod is a steel pipe for construction.

[0010] Preferably, one end of the extension rod is welded to the inner formwork trolley.

[0011] Preferably, one end of the extension rod is connected to the inner formwork trolley through a steel pipe clip.

[0012] Preferably, the sprinkler is connected to the extension rod by binding wire.

[0013] Preferably, a water storage tank is arranged on the inner formwork trolley. The sprinkler is connected to the water storage tank through a water pipe, and a water pump is arranged on the water pipe. An external pressurized water supply source is connected to the water storage tank for adding water to the water storage tank.

[0014] Advantages of the present utility model:

[0015] Compared with the prior art, the advantages of the present utility model are as follows:

[0016] In the present utility model, a plurality of extension rods extending into the open tunnel of the previous formwork are arranged on the inner formwork trolley, and a plurality of sprinklers with a total sprinkling range that can completely cover the inner lining surface of the open tunnel of the previous formwork are arranged on the extension rods. The sprinklers are connected to an external pressurized water supply source through water pipes to uniformly sprinkle and cure the inner lining surface of the cast open tunnel. Compared with the method of manually operating the water pipe of a sprinkler truck to sprinkle water, it saves the fuel of the sprinkler truck and human resources, and the sprinkling is more uniform. Description of the drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is Figure 1 a partial enlarged view of part A in

[0019] Figure 3 a schematic structural diagram of the sprinkler. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper / lower end", "inside", "outside", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "set / sleeved with", "socket connection", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Please refer to Figures 1-3 , the present utility model provides a technical solution: a spraying and curing device for the lining surface in a covered cut tunnel, including an internal formwork trolley 1. On the surface of one side of the internal formwork trolley 1 facing away from its advancing direction, a number of horizontally arranged extension rods 2 are provided. The extension rods 2 extend away from the internal formwork trolley 1 into the previous covered cut tunnel. A number of sprinklers 3 are provided on each extension rod 2. On the side of the sprinkler 3 facing the lining surface in the covered cut tunnel, a number of water outlet holes 31 are provided for forming a sprinkling range on the lining surface in the covered cut tunnel. The sum of the sprinkling ranges of all the sprinklers 3 on all the extension rods 2 can completely cover the inner lining surface of the previous covered cut tunnel. The sprinkler 3 is connected to an external pressurized water supply source through a water pipe.

[0024] After the casting of one form of the covered cut tunnel is completed, the internal formwork trolley 1 is demolded and moved forward to the casting position of the next form of the covered cut tunnel. The extension rods 2 are arranged on the surface of one side of the internal formwork trolley 1 facing away from its advancing direction. The lengths, quantities, and spacings of the extension rods 2 and the quantities and spacings of the sprinklers 3 on each extension rod 2 are set according to the sprinkling range of a single sprinkler 3, so that the sum of the sprinkling ranges of all the sprinklers 3 on all the extension rods 2 can completely cover the inner lining surface of the previous covered cut tunnel. The external pressurized water supply source is opened to supply water to the sprinklers 3 through the water pipe, and all the sprinklers 3 can evenly sprinkle and cure the inner lining surface of the previous covered cut tunnel.

[0025] Specifically, the external pressurized water supply source is urban water supply. When the construction site is far from urban water supply, a water truck can also be used for water supply.

[0026] The utility model is provided with a plurality of extension rods 2 extending into the open tunnel of the previous mold on the inner mold trolley 1, and a plurality of sprinklers 3 are arranged on the extension rods 2, the sum of the sprinkling ranges of which can completely cover the inner lining surface of the open tunnel of the previous mold. The sprinklers 3 are connected to an external pressurized water supply source through water pipes to uniformly sprinkle and cure the cast inner lining surface of the open tunnel. Compared with the method of manually operating the water pipe of a sprinkler truck, it saves the fuel of the sprinkler truck and human resources, and the sprinkling is more uniform.

[0027] Furthermore, the sprinkler 3 is an automatic swing sprinkler with a larger sprinkling range, which can reduce the setting of the extension rod 2 and the sprinkler 3, saving costs. Specifically, the automatic swing sprinkler is a commercially available automatic swing sprinkler, or can also be a new type of swing sprinkler disclosed in the patent number CN214077314U, a swing sprinkler with a long-life switching structure disclosed in the patent number CN111644273B, and a swing type water spraying device disclosed in the patent number CN203990992U.

[0028] Furthermore, a steel wire rope 4 is connected to the end of the extension rod 2 far away from the inner mold trolley 1, and the other end of the steel wire rope 4 is obliquely upward connected to the inner mold trolley 1. The steel wire rope 4 is straightened and connected between the end of the extension rod 2 and the inner mold trolley 1, so as to lift and fix the extension rod 2.

[0029] Specifically, the extension rod 2 is a construction steel pipe.

[0030] Furthermore, one end of the extension rod 2 is welded to the inner mold trolley 1, which is more firm and can prevent the extension rod 2 from loosening and falling.

[0031] Furthermore, one end of the extension rod 2 is connected to the inner mold trolley 1 through a steel pipe clip, which is convenient for disassembly and assembly to adjust the position or reuse. Moreover, the construction steel pipe and the steel pipe clip are both common tools in construction sites, convenient to use and do not require special manufacture.

[0032] Specifically, the sprinkler 3 is connected to the extension rod 2 by tying steel wires, which is convenient for fixing, and the position of the sprinkler 3 can be adjusted by loosening and tightening the tying steel wires.

[0033] Furthermore, a water storage tank is arranged on the inner mold trolley 1. The sprinkler 3 is connected to the water storage tank through a water pipe, and a water pump is arranged on the water pipe. The external pressurized water supply source is connected to the water storage tank to add water to the water storage tank, so as to facilitate water storage. The stored water in the water storage tank is transported to the sprinkler 3 for spraying through the water pump, avoiding the interruption of sprinkling and curing caused by water cut-off and other situations. When the construction site is far from the urban water supply and a water transport vehicle is used for water supply, the water transport vehicle only needs to fill the water storage tank and then stop working, avoiding fuel consumption caused by the continuous operation of the water transport vehicle.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0035] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand 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 spraying maintenance device for the lining surface of an open hole, characterized in that: The invention comprises an inner mold trolley (1), wherein a plurality of horizontally arranged extension rods (2) are arranged on a surface of a side of the inner mold trolley (1) facing away from the inner mold trolley (1) and extending into the upper mold open hole in a direction away from the inner mold trolley (1), and each extension rod (2) is provided with a plurality of sprinklers (3), and a plurality of water outlet holes (31) are arranged on a side of the sprinklers (3) facing the inner lining surface of the open hole for forming a watering range on the inner lining surface of the open hole, and the sum of the watering ranges of all the sprinklers (3) on all the extension rods (2) can completely cover the inner lining surface of the upper mold open hole, and the sprinklers (3) are connected to an external pressurized water supply source via a water pipe.

2. The open hole lining surface spraying maintenance device according to claim 1 is characterized in that: The sprinkler (3) is an automatic swing sprinkler.

3. The open hole lining surface spraying maintenance device according to claim 1 is characterized in that: A steel wire rope (4) is connected to one end of the extension rod (2) away from the inner mold trolley (1), and the other end of the steel wire rope (4) is connected obliquely upward to the inner mold trolley (1). The steel wire rope (4) is stretched straight and connected between the end of the extension rod (2) and the inner mold trolley (1).

4. The open hole lining surface spraying maintenance device according to claim 1 is characterized in that: The extension rod (2) is a steel pipe for construction.

5. The open hole lining surface spraying maintenance device according to claim 4 is characterized in that: One end of the extension rod (2) is welded to the inner mold trolley (1).

6. The open hole lining surface spraying maintenance device according to claim 4 is characterized in that: One end of the extension rod (2) is connected to the inner mold trolley (1) via a steel pipe clamp.

7. The open hole lining surface spraying maintenance device according to claim 1 is characterized in that: The sprinkler (3) is connected to the extension rod (2) by tying with steel wires.

8. The open hole lining surface spraying maintenance device according to claim 1 is characterized in that: The inner mold trolley (1) is provided with a water tank, the sprinkler (3) is connected to the water tank via a water pipe, and a water pump is provided on the water pipe, and an external pressurized water supply source is connected to the water tank for adding water to the water tank.

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