Tunnel primary support concrete slicking device

Abstract

The utility model discloses a concrete slicking device for a tunnel primary support. The concrete slicking device comprises a slicking plate, a mounting assembly, a rotating assembly and a mechanical arm, the scraping plate is connected to the end part of the mounting assembly; the mounting assembly is connected with the rotating assembly, the rotating assembly is connected with the mechanical arm, and the mounting assembly can rotate on the mechanical arm through the rotating assembly. The problems that in the prior art, when a leveling plate is used for leveling the concrete surface, the manual workload is large, and the leveling angle of the leveling plate cannot be adjusted are solved, the purpose of adjusting the angle of the leveling plate is achieved, the manual workload can be relieved, and the leveling and finishing quality and efficiency of a concrete layer are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction, and particularly relates to a tunnel initial support concrete scraping device. BACKGROUND

[0002] Wet spraying concrete refers to that cement, coarse and fine aggregates and water are stirred according to a certain mixing ratio, and then the stirred concrete is conveyed to a nozzle through a conveying hose by means of various types of wet spraying machines, and the concrete is formed into a bundle by compressed air supply energy, and is sprayed onto a sprayed surface from the nozzle. The wet spraying concrete technology has the advantages of fast construction speed, good support quality and high construction flexibility, but the flatness is not easy to control, and the intuitive performance is that the concrete surface is uneven, the flatness is poor, the appearance is affected, and in the tunnel construction process, the sprayed concrete surface layer is a waterproof base layer, the surface is uneven, the waterproof board is also uneven in the later period, so that a void is formed in the rear, a hole is formed in the secondary lining pouring, and the construction quality is affected.

[0003] In the traditional construction, after the wet spraying machine is used to spray concrete on the surface of the tunnel, a scraping plate is manually used to scrape the concrete surface, and the workload is large. For example, a tunnel initial support spraying concrete scraping device is disclosed in Chinese patent CN202222544111.1, which comprises a horizontally arranged scraping plate, a connecting groove is formed in the rear end of the scraping plate, a connecting pipe is vertically welded on the front wall of the connecting groove of the scraping plate, and the scraping plate and the connecting pipe are vertically welded, so that the scraping angle of the scraping plate cannot be adjusted, and the concrete layer at the side end of the support cannot be trimmed. CONTENT OF THE UTILITY MODEL

[0004] The tunnel initial support concrete scraping device provided by the present application embodiment solves the problems that the manual workload is large when the scraping plate is used to scrape the concrete surface in the prior art, and the scraping angle of the scraping plate cannot be adjusted, achieves the purpose of adjusting the angle of the scraping plate, reduces the manual workload, and improves the quality and efficiency of the concrete layer scraping and trimming.

[0005] The tunnel initial support concrete scraping device provided by the present application embodiment comprises a scraping plate, a mounting assembly, a rotating assembly and a mechanical arm, the scraping plate is connected to the end of the mounting assembly, the mounting assembly is connected with the rotating assembly, the rotating assembly is connected with the mechanical arm, and the mounting assembly can rotate on the mechanical arm through the rotating assembly.

[0006] In a possible implementation manner, the mounting assembly comprises a connecting sleeve and a long sleeve, one end of the connecting sleeve is connected with the scraping plate, the other end of the connecting sleeve is connected with the long sleeve, and the long sleeve is fixedly connected with the rotating assembly.

[0007] In a possible implementation, the rotating assembly comprises a mounting shaft and a connecting piece; the mounting shaft is connected with the mechanical arm; the connecting piece is detachably connected with the long sleeve; and the connecting piece is rotationally connected with the mounting shaft.

[0008] In a possible implementation, the rotating assembly further comprises an elastic piece, a baffle and a limiting block; the baffle is fixedly connected to an end of the mounting shaft; the connecting piece is fixedly connected with the limiting block; the elastic piece is sleeved on the mounting shaft, one end of the elastic piece abuts against the baffle, and the other end of the elastic piece abuts against the limiting block.

[0009] In a possible implementation, the rotating assembly further comprises a bearing; the limiting block is provided with a hole, the hole is matched with an outer ring of the bearing; the bearing is sleeved on the outer side of the mounting shaft, and the limiting block is rotationally connected with the mounting shaft through the bearing.

[0010] In a possible implementation, the rotating assembly further comprises an end cover; the end cover abuts against a section surface of the bearing and is fixedly connected with the mounting shaft.

[0011] In a possible implementation, the connecting piece comprises a sleeve, a sleeve ring and a connecting plate; the sleeve is sleeved on the outer side of the long sleeve and is fixedly connected with the long sleeve; the sleeve ring is sleeved on the outer side of the mounting shaft and is rotationally connected with the mounting shaft; and the two ends of the connecting plate are respectively connected with the sleeve and the sleeve ring.

[0012] One or more technical solutions provided in the application have at least the following technical effects:

[0013] The tunnel initial support concrete scraping device comprises a scraping plate, a mounting assembly, a rotating assembly and a mechanical arm, the scraping plate is connected to the end of the mounting assembly, the mounting assembly is connected with the rotating assembly, the rotating assembly is connected with the mechanical arm, and the mounting assembly can rotate on the mechanical arm through the rotating assembly. The mechanical arm can realize automatic scraping work on the concrete surface by using the scraping plate, and the scraping plate can rotate relative to the mechanical arm through the rotating assembly, so that the purpose of automatically adjusting the angle of the scraping plate is achieved. The application solves the problems in the prior art that the manual work is large when the scraping plate is used to scrape the concrete surface, and the scraping angle of the scraping plate cannot be adjusted, achieves the purpose of adjusting the angle of the scraping plate, reduces the manual work, and improves the quality and efficiency of the concrete layer scraping and finishing. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 A front view of a tunnel initial support concrete scraping device provided by the embodiment of the present application;

[0016] Figure 2 A left view of a tunnel initial support concrete scraping device provided by the embodiment of the present application;

[0017] Figure 3 A Figure 2 A-A sectional view.

[0018] Figure legend: 1 - scraping plate; 2 - mounting assembly; 21 - connecting sleeve; 22 - long sleeve; 3 - rotating assembly; 31 - mounting shaft; 32 - connecting piece; 321 - sleeve; 322 - sleeve ring; 323 - connecting plate; 33 - elastic piece; 34 - baffle; 35 - limiting block; 36 - bearing; 37 - end cover; 4 - mechanical arm. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the embodiments of the utility model, it needs to be explained that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like 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 embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0021] The utility model embodiments provide a kind of tunnel initial support concrete screeding device, as shown in figure Figures 1-3 It includes screeding plate 1, installation component 2, rotating component 3 and mechanical arm 4;Screeding plate 1 is connected to the end of installation component 2;Installation component 2 is connected with rotating component 3, rotating component 3 is connected with mechanical arm 4, installation component 2 can rotate on mechanical arm 4 by rotating component 3.

[0022] Illustratively, screeding plate 1 is made of wear-resistant alloy material, its surface is treated specially, increases hardness and wear resistance, ensures that in concrete screeding operation can effectively resist wear and tear, keeps blade edge sharp, to improve screeding efficiency and quality.

[0023] Illustratively, mechanical arm 4 is designed as telescopic, realizes the adjustment of length by built-in hydraulic system or electric drive system, to adapt to the tunnel construction demand of different length.The end of mechanical arm 4 is also equipped with intelligent sensor, can monitor the force and position in screeding process in real time, ensure the accuracy and safety of screeding operation.

[0024] Illustratively, the whole device is also equipped with remote control operation system, operator can be in the safe area away from construction site, the height of the action of mechanical arm 4, screeding plate 1, rotating component 3 rotation angle etc. are remotely accurately controlled by remote controller, greatly improve the safety and efficiency of construction.

[0025] In the embodiments of the present application, as shown in Figures 1-3 Installation component 2 includes connecting sleeve 21 and long sleeve 22;One end of connecting sleeve 21 is connected with screeding plate 1, the other end of connecting sleeve 21 is connected with long sleeve 22;Long sleeve 22 is fixedly connected with rotating component 3.

[0026] Exemplarily, the connecting sleeve 21 and the long sleeve 22 are connected by threads, which facilitates quick installation and disassembly, and ensures stable connection between the two, preventing loosening due to vibration during use. In addition, adjusting washers are arranged between the connecting sleeve 21 and the screed plate 1, so that the user can adjust the angle of the screed plate 1 according to actual needs, to achieve more accurate screeding effect.

[0027] In the embodiment of the present application, as shown in Figures 1-3 The rotating assembly 3 comprises a mounting shaft 31 and a connecting piece 32; the mounting shaft 31 is connected with the mechanical arm 4; the connecting piece 32 is detachably connected with the long sleeve 22; and the connecting piece 32 is rotationally connected with the mounting shaft 31.

[0028] Exemplarily, the part where the connecting piece 32 is connected with the mounting shaft 31 is designed as an arc-shaped structure, to adapt to the circumferential movement track of the mounting shaft 31 when rotating, ensuring compact structure and smooth rotation. This not only enhances the stability of the structure, but also effectively reduces friction and vibration caused by rotation, prolonging the service life of the device.

[0029] In the embodiment of the present application, as shown in Figures 1-3 The rotating assembly 3 further comprises an elastic piece 33, a baffle 34 and a limiting block 35; the baffle 34 is fixedly connected to the end of the mounting shaft 31; the connecting piece 32 is fixedly connected with the limiting block 35; the elastic piece 33 is sleeved on the mounting shaft 31, one end of the elastic piece 33 abuts against the baffle 34, and the other end of the elastic piece 33 abuts against the limiting block 35.

[0030] Exemplarily, the elastic piece 33 comprises a torsion spring, one end of which abuts against the baffle 34, and the other end of which abuts against the limiting block 35.

[0031] In the embodiment of the present application, as shown in Figures 1-3 The rotating assembly 3 further comprises a bearing 36; the limiting block 35 is provided with a hole, which cooperates with the outer ring of the bearing 36; the bearing 36 is sleeved on the outer side of the mounting shaft 31, and the limiting block 35 is rotationally connected with the mounting shaft 31 through the bearing 36.

[0032] In the embodiment of the present application, as shown in Figures 1-3 The rotating assembly 3 further comprises an end cover 37; the end cover 37 abuts against the section of the bearing 36, and is fixedly connected with the mounting shaft 31.

[0033] In the embodiment of the present application, as shown in Figures 1-3 The connecting piece 32 comprises a sleeve 321, a sleeve ring 322 and a connecting plate 323; the sleeve 321 is sleeved on the outer side of the long sleeve 22, and is fixedly connected with the long sleeve 22; the sleeve ring 322 is sleeved on the outer side of the mounting shaft 31, and is rotationally connected with the mounting shaft 31; and the two ends of the connecting plate 323 are respectively connected with the sleeve 321 and the sleeve ring 322.

[0034] For example, the sleeve 321 and the sleeve ring 322 are welded and fixed by the connecting plate 323, so as to ensure that the device can still operate stably in a harsh environment.

[0035] The various embodiments in the specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other, and each embodiment mainly explains the difference from other embodiments.

[0036] The above examples are only used to illustrate the technical solutions of the present application, and are not limited to the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the present application.

Claims

1. A concrete leveling device for initial support of tunnels, characterized in that, It includes a scraper plate (1), a mounting assembly (2), a rotating assembly (3), and a robotic arm (4); The scraper plate (1) is connected to the end of the mounting assembly (2); The mounting component (2) is connected to the rotating component (3), the rotating component (3) is connected to the robotic arm (4), and the mounting component (2) can rotate on the robotic arm (4) through the rotating component (3); The mounting assembly (2) includes a connecting sleeve (21) and a long sleeve (22); One end of the connecting sleeve (21) is connected to the scraper plate (1), and the other end of the connecting sleeve (21) is connected to the long sleeve (22); The rotating assembly (3) is fixedly connected to the long sleeve (22); The rotating assembly (3) includes a mounting shaft (31) and a connector (32); The mounting shaft (31) is connected to the robotic arm (4); The connector (32) is detachably connected to the long sleeve (22); The connector (32) is rotatably connected to the mounting shaft (31); The rotating assembly (3) also includes an elastic element (33), a baffle (34), and a limiting block (35); The baffle (34) is fixedly connected to the end of the mounting shaft (31); The connector (32) is fixedly connected to the limiting block (35); The elastic element (33) is sleeved on the mounting shaft (31), one end of the elastic element (33) abuts against the baffle (34), and the other end of the elastic element (33) abuts against the limiting block (35); The rotating assembly (3) also includes a bearing (36); The limiting block (35) has a hole, which mates with the outer ring of the bearing (36); The bearing (36) is sleeved on the outside of the mounting shaft (31), and the limiting block (35) is rotatably connected to the mounting shaft (31) through the bearing (36).

2. The tunnel initial support concrete leveling device according to claim 1, characterized in that, The rotating assembly (3) also includes an end cap (37); The end cap (37) abuts against the cross section of the bearing (36) and is fixedly connected to the mounting shaft (31).

3. The tunnel initial support concrete leveling device according to claim 1, characterized in that, The connector (32) includes a sleeve (321), a collar (322), and a connecting plate (323); The sleeve (321) is fitted onto the outside of the long sleeve (22) and is fixedly connected to the long sleeve (22); The collar (322) is sleeved on the outside of the mounting shaft (31) and is rotatably connected to the mounting shaft (31); The connecting plate (323) is connected to the sleeve (321) and the collar (322) at both ends respectively.

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