Vehicle-mounted concrete spraying device for collecting rebound materials
A vehicle-mounted concrete spraying device with a collection system addresses the issue of rebound loss by collecting and recycling concrete, enhancing precision and reducing waste through motor-controlled nozzles.
Patent Information
- Application Number
- CN202422239515.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-12
AI Technical Summary
In tunnel construction, the phenomenon of jet concrete rebound is serious, resulting in waste of resources, especially at the top of the arch, which has not been effectively solved by the existing technology.
A vehicle-mounted jet concrete device is designed, including a spray part and a collection part, which controls the injection position and angle through a motor, and collects resilience concrete using a collection cover and reinforcement ribs to reduce damage and collects it into the collection box.
It effectively reduces concrete waste, improves jet accuracy and collection efficiency, and reduces damage to equipment by rebound concrete.
Smart Images

Figure CN223104588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete spraying equipment, in particular to a vehicle-mounted shotcrete device for collecting rebound material. Background Technique
[0002] At present, the wet shotcreting method is mostly adopted in tunnel construction in China. This method has the advantages of easy control of water-cement ratio, low dust content, good safety, etc. However, in some tunnels with poor bonding at the contact surface with the surrounding rock, there are problems such as large rebound and large waste of resources. Especially in the arch top part, the problem of large shotcrete rebound has not been well solved yet.
[0003] Concrete shotcrete rebound refers to the phenomenon that during the construction of shotcrete, some concrete fails to effectively adhere to the sprayed surface but rebounds back at high speed, that is, the shotcrete of concrete.
[0004] Therefore, in view of the above problems, a vehicle-mounted shotcrete device for collecting rebound material is proposed to solve the above problems. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model develops a vehicle-mounted shotcrete device for collecting rebound material, which can collect the rebound concrete during the shotcrete construction.
[0006] The technical solution for the utility model to solve the technical problems is as follows: A vehicle-mounted shotcrete device for collecting rebound material, including a carrier vehicle, a collection box is arranged on the carrier vehicle, the collection box is connected to a collection part, an installation platform is arranged on the collection box, and a shotcrete part is arranged on the installation platform.
[0007] The concrete is sprayed through the shotcrete part, and the sprayed concrete falls onto the collection part after rebounding, and the rebounding concrete is collected into the collection box through the collection part, reducing the waste of concrete.
[0008] Preferably, the shotcrete part includes a first motor, a support arm, a support platform, a second motor and a support rod. The first motor is arranged on the installation platform, the output end of the first motor is provided with the support arm, the support arm is in an "L" shape, the support arm is vertically connected to the output end of the first motor, the upper end of the support arm is provided with the support platform, the second motor is arranged on the support platform, the second motor is connected to the support rod, and the support rod is vertically connected to the output end of the second motor.
[0009] By setting the support arms of the first motor and the second motor, the position of the support rod is adjusted, so as to control the position and angle of concrete spraying.
[0010] Preferably, the spraying part further includes a fixing table, a third motor, a mounting bracket and a nozzle. A fixing table is provided at one end of the support rod away from the second motor. The third motor is provided on the fixing table. The mounting bracket is provided at the output end of the third motor. The nozzle is provided radially on the mounting bracket. The nozzle is connected to the concrete storage device through a pipeline.
[0011] By setting the third motor to drive the nozzle to rotate, the angle of the nozzle is adjusted, so that the concrete spraying is more accurate.
[0012] Preferably, a balance rod is provided on the first motor. The balance rod is arranged opposite to the support arm. A counterweight is provided at one end of the balance rod away from the support arm.
[0013] By setting the balance rod and the counterweight, it is prevented that the center of gravity of the spraying part deviates too much during the rotation process.
[0014] Preferably, the collection part includes a collection cover, a support frame and reinforcing ribs. The collection cover is arranged on the support frame. The support frame is arranged on the carrier vehicle. The collection cover surrounds the collection box. A plurality of reinforcing ribs are provided on the collection cover.
[0015] The collection cover collects the sprayed and rebounded concrete. The collection cover gathers the rebounded concrete into the collection box. By setting the support frame, the collection cover is supported. By setting the reinforcing ribs, the structural strength of the collection cover is improved, and the damage of the rebounded concrete to the collection cover is reduced.
[0016] Preferably, the lower end of the collection cover is arranged on the collection box. A plurality of collection holes are provided on the collection box. The collection holes are located inside the collection cover.
[0017] The gathered concrete enters the collection box through the collection holes to complete the collection.
[0018] Preferably, a support column is vertically arranged in the collection box. The upper and lower ends of the support column are respectively connected to the upper and lower parts of the collection box. A discharge pipe is provided at the lower part of the collection box. A valve is provided on the discharge pipe.
[0019] By setting the support column to support the spraying part, and by setting the discharge pipe and the valve, it is convenient to process the rebounded concrete later.
[0020] The effects provided in the utility model content are only the effects of the embodiments, rather than all the effects of the utility model. The above technical solutions have the following advantages or beneficial effects:
[0021] The concrete is sprayed through the spraying part. The sprayed concrete falls onto the collection part after rebounding. The collection part collects the rebounded concrete into the collection box, reducing the waste of concrete;
[0022] By setting the support arms of the first motor and the second motor, the position of the support rod is adjusted, so as to control the position and angle of the concrete spraying;
[0023] The sprayed and rebounded concrete is collected by a collection hood. The collection hood gathers the rebounded concrete into a collection box. A support frame is provided to support the collection hood, and reinforcing ribs are provided to improve the structural strength of the collection hood and reduce the damage to the collection hood caused by the rebounded concrete. Brief Description of the Drawings
[0024] The drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.
[0025] Figure 1 It is the front view of the present invention.
[0026] Figure 2 It is the cross-sectional view of the continuous rigid frame bridge of the present invention.
[0027] In the figure: 1, carrier vehicle; 2, collection box; 3, mounting table; 4, first motor; 5, support arm; 6, support table; 7, second motor; 8, support rod; 9, fixed table; 10, third motor; 11, mounting frame; 12, spray head; 13, collection hood; 14, support frame; 15, reinforcing rib; 16, collection hole; 17, support column; 18, discharge pipe; 19, valve; 20, balance bar; 21, counterweight. Detailed Embodiment
[0028] In order to clearly illustrate the technical features of this solution, the following will elaborate on the present utility model in detail through specific embodiments and in conjunction with its accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. In addition, the present utility model may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present utility model omits the description of well-known components and processing technologies and processes to avoid unnecessarily limiting the present utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are 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, and thus cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it 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.
[0029] As Figures 1 to 2 shown, a vehicle-mounted shotcrete device for collecting rebound material includes a carrier vehicle 1. A collection box 2 is provided on the carrier vehicle 1. The collection box 2 is connected to a collection part. An installation platform 3 is provided on the collection box 2, and a shotcrete part is provided on the installation platform 3. Shotcrete is sprayed through the shotcrete part. The sprayed concrete falls onto the collection part after rebounding, and the rebounding concrete is collected into the collection box 2 through the collection part, reducing the waste of concrete.
[0030] The shotcrete part includes a first motor 4, a support arm 5, a support platform 6, a second motor 7, and a support rod 8. The first motor 4 is provided on the installation platform 3. The output end of the first motor 4 is provided with the support arm 5. The support arm 5 is in an "L" shape and is perpendicularly connected to the output end of the first motor 4. The upper end of the support arm 5 is provided with the support platform 6. The second motor 7 is provided on the support platform 6. The second motor 7 is connected to the support rod 8, and the support rod 8 is perpendicularly connected to the output end of the second motor 7. By providing the support arm 5 of the first motor 4 and the second motor 7, the position of the support rod 8 is adjusted, thereby controlling the position and angle of concrete spraying.
[0031] The spraying section further includes a fixed platform 9, a third motor 10, a mounting bracket 11 and a spray head 12. One end of the support rod 8 away from the second motor 7 is provided with the fixed platform 9. The third motor 10 is arranged on the fixed platform 9. The output end of the third motor 10 is provided with the mounting bracket 11. The spray head 12 is arranged in the radial direction of the mounting bracket 11. The spray head 12 is connected to the concrete storage device through a pipeline. By arranging the third motor 10 to drive the spray head 12 to rotate, the angle of the spray head 12 can be adjusted, so that the concrete spraying is more accurate.
[0032] A balance rod 20 is arranged on the first motor 4. The balance rod 20 is arranged opposite to the support arm 5. A counterweight 21 is arranged at one end of the balance rod 20 away from the support arm 5. By arranging the balance rod 20 and the counterweight 21, it is possible to prevent the center of gravity of the spraying section from shifting too much during the rotation process.
[0033] The collection section includes a collection hood 13, a support frame 14 and a reinforcing rib 15. The collection hood 13 is arranged on the support frame 14. The support frame 14 is arranged on the carrier vehicle 1. The collection hood 13 surrounds the collection box 2. A plurality of reinforcing ribs 15 are arranged on the collection hood 13. The spraying and rebounding concrete is collected through the collection hood 13. The collection hood 13 gathers the rebounding concrete into the collection box 2. By arranging the support frame 14 to support the collection hood 13, and by arranging the reinforcing ribs 15, the structural strength of the collection hood 13 is improved, and the damage to the collection hood 13 caused by the rebounding concrete is reduced.
[0034]
[0033] The lower end of the collection hood 13 is arranged on the collection box 2. A plurality of collection holes 16 are arranged on the collection box 2. The collection holes 16 are located inside the collection hood 13. The gathered concrete enters the collection box 2 through the collection holes 16 to complete the collection.
[0035] A support column 17 is vertically arranged inside the collection box 2. The upper and lower ends of the support column 17 are respectively connected to the upper and lower parts of the collection box 2. A discharge pipe 18 is arranged at the lower part of the collection box 2. A valve 19 is arranged on the discharge pipe 18. By arranging the support column 17 to support the spraying section, and by arranging the discharge pipe 18 and the valve 19, it is convenient to process the rebounding concrete subsequently.
[0036]
[0034] Working principle: The carrier vehicle 1 moves to a predetermined position, the first motor 4 and the second motor 7 are started, the spray head 12 is adjusted to the position where concrete needs to be sprayed, the third motor 10 is started to adjust the angle of the spray head 12, and concrete is sprayed. During spraying, the concrete rebounds, and the rebounding concrete falls into the collection hood 13 and is gathered through the collection hood 13. The gathered concrete enters the collection box 2.
[0037] Although the specific implementation manners of the utility model have been described above in conjunction with the accompanying drawings, it is not a limitation on the protection scope of the utility model. Based on the technical solutions of the utility model, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the utility model.
Claims
1. A vehicle-mounted shotcrete device for collecting rebound material, comprising a carrier vehicle (1), characterized in that: A collection box (2) is arranged on the carrier vehicle (1). The collection box (2) is connected to a collection part. An installation platform (3) is arranged on the collection box (2), and a material spraying part is arranged on the installation platform (3).
2. The vehicle-mounted shotcrete device for collecting rebound materials according to claim 1, wherein: The material spraying part includes a first motor (4), a support arm (5), a support platform (6), a second motor (7) and a support rod (8). The first motor (4) is arranged on the installation platform (3). A support arm (5) is arranged at the output end of the first motor (4). The support arm (5) is in an "L" shape and is vertically connected to the output end of the first motor (4). A support platform (6) is arranged at the upper end of the support arm (5). A second motor (7) is arranged on the support platform (6). The second motor (7) is connected to the support rod (8), and the support rod (8) is vertically connected to the output end of the second motor (7).
3. The vehicle-mounted shotcrete device for collecting rebound material according to claim 2, characterized in that: The material spraying part further includes a fixed platform (9), a third motor (10), an installation frame (11) and a spray head (12). A fixed platform (9) is arranged at one end of the support rod (8) away from the second motor (7). A third motor (10) is arranged on the fixed platform (9). An installation frame (11) is arranged at the output end of the third motor (10). Spray heads (12) are arranged in the radial direction of the installation frame (11), and the spray heads (12) are connected to a concrete storage device through pipelines.
4. A vehicle-mounted shotcrete device for collecting rebound material according to claim 2, characterized in that: A balance rod (20) is arranged on the first motor (4). The balance rod (20) is arranged opposite to the support arm (5). A counterweight (21) is arranged at one end of the balance rod (20) away from the support arm (5).
5. The vehicle-mounted shotcrete device for collecting rebound material according to claim 1, characterized in that: The collection part includes a collection cover (13), a support frame (14) and a reinforcing rib (15). The collection cover (13) is arranged on the support frame (14). The support frame (14) is arranged on the carrier vehicle (1). The collection cover (13) surrounds the collection box (2), and a plurality of reinforcing ribs (15) are arranged on the collection cover (13).
6. The vehicle-mounted shotcrete device for collecting rebound material according to claim 5, characterized in that: The lower end of the collection cover (13) is arranged on the collection box (2). A plurality of collection holes (16) are arranged on the collection box (2), and the collection holes (16) are located inside the collection cover (13).
7. The vehicle-mounted shotcrete device for collecting rebound materials according to claim 6, characterized in that: A support column (17) is vertically arranged inside the collection box (2). The upper and lower ends of the support column (17) are respectively connected to the upper and lower parts of the collection box (2). A discharge pipe (18) is arranged at the lower part of the collection box (2), and a valve (19) is arranged on the discharge pipe (18).