Tunnel primary support flatness mechanical rotatable device

Abstract

The invention relates to the field of civil engineering, in particular to a tunnel primary support flatness mechanical rotatable device. According to the technical scheme, the device comprises a rack and a rotating mechanism fixed to the top end of the rack, the rotating mechanism comprises a fixed table fixed to the bottom end of the rack, a connecting mechanism is arranged at the bottom end of the fixed table, a storage mechanism is arranged at the bottom end of the connecting mechanism, and the storage mechanism comprises a connecting bearing cover fixed to the bottom end of a scraper connecting plate; and the bottom end of the connecting bearing cover is fixedly connected with a connecting bearing. By means of the tunnel primary support flatness mechanical rotatable device, the problems that the primary support flatness depth and length of tunnel engineering are large, and primary support is uneven are solved, a worker does not need to hold a shovel by hand to level a tunnel, the later waterproof layer and lining construction quality is guaranteed, the construction time is shortened, and the construction cost is saved; and the device also has the functions of recycling the scraped sprayed concrete in time, manufacturing a concrete cushion block and an arch frame cushion block and saving the cost.

Description

Technical Field

[0001] The invention relates to the field of civil engineering, and in particular to a mechanical rotatable device for the flatness of a tunnel initial support. Background Art

[0002] As one of my country's important business cards, high-speed rail has extremely high requirements on construction standards and quality during its construction. During the shotcrete construction of tunnel projects, conventional operations use a wet spraying mechanical arm frame as a platform, and manually use a homemade extended shovel or weld a scraper on the front end of the wet spraying mechanical arm to perform initial support arch frame scraping construction, so that the overall flatness of the initial support is as smooth and flat as possible, providing reliable conditions for the subsequent application of a waterproof layer and the physical quality of the secondary lining construction. However, there are certain problems: its construction angle is limited, and it cannot be used in all directions without dead ends. In addition, the manual use of shovels and scrapers has a small range and low efficiency, and there is a safety hazard of falling from heights during construction. Therefore, this application proposes a mechanical rotatable device for the flatness of the initial support of a tunnel. Summary of the invention

[0003] The purpose of the present invention is to propose a mechanical rotatable device for the flatness of the initial support of a tunnel in order to address the problems in the background technology that the construction angle is limited, the device cannot be used in all directions without dead angles, the manual use of shovels and scrapers has a small range and low efficiency, and there is a safety hazard of falling from heights during construction.

[0004] The technical solution of the present invention is: a mechanical rotatable device for measuring the flatness of a tunnel primary support, comprising a frame and a rotating mechanism fixed to the top of the frame, the rotating mechanism comprising a fixed platform fixed to the bottom of the frame, a connecting mechanism being provided at the bottom of the fixed platform, and a receiving mechanism being provided at the bottom of the connecting mechanism;

[0005] The storage mechanism includes a connecting bearing cover fixed to the bottom end of the scraper connecting plate, the bottom end of the connecting bearing cover is fixedly connected to a connecting bearing, the bottom end of the connecting bearing is fixedly connected to a storage box, and the inner wall of the connecting bearing involves an anti-slip layer, and the outer wall of the storage box is fixedly connected to a leveling mechanism.

[0006] Optionally, the connecting mechanism includes an extension plate fixed to the bottom end of the fixed platform, connecting angle steels are fixedly connected to both sides of the outer wall of the extension plate, and a plurality of connecting ribs are fixedly connected to the top of the extension plate, a scraper connecting plate is fixedly connected to the side of the outer wall of the plurality of connecting angle steels away from the extension plate, two fixed terminals are fixedly connected to the bottom end of the scraper connecting plate, and a bearing cover is fixedly connected to one side of the two fixed terminals.

[0007] Optionally, a fixing seat is fixedly connected to one side of the top of the stand, a connecting block is fixedly connected to the top of the fixing seat, and a driving block is rotatably connected to the top of the connecting block.

[0008] Optionally, a fixing plate is fixedly connected to the other side of the top of the stand, a connecting end frame is fixedly connected to the top of the fixing plate near the center, and the bottom end of the connecting end frame passes through the fixing plate and is connected to the stand.

[0009] Optionally, the leveling mechanism includes two support ring frames fixed to the outer walls of the storage box, a plurality of support rods 1 are fixedly connected between the two support ring frames, a plurality of connecting rods 1 penetrate the outer walls of the plurality of support rods 1, one end of the plurality of connecting rods 1 is connected to the storage box, and the other end of the plurality of connecting rods 1 is fixedly connected to a support arm, and one end of the plurality of support arms away from the connecting rod 1 is fixedly connected to a crushing cone head.

[0010] Optionally, a plurality of support rods 2 are fixedly connected between two of the support ring frames, a plurality of rings are fixedly connected to outer walls of the plurality of support rods 2, a telescopic rod is fixedly connected to one side of the outer walls of the plurality of rings, and a guide plate is fixedly connected to one end of the plurality of telescopic rods.

[0011] Optionally, a plurality of buffer terminals are fixedly connected to one end of the outer wall of one side of the plurality of guide plates away from the telescopic rod, and one end of the plurality of buffer terminals away from the guide plate is fixedly connected to the storage box.

[0012] Optionally, multiple support rods three are passed through the outer walls of the two support ring frames, multiple connecting rods two are passed through the outer walls of the multiple support rods three, one end of the multiple connecting rods two is connected to the storage box, and one end of the multiple connecting rods two away from the storage box is fixedly connected to a scraper.

[0013] Optionally, the outer wall of the storage box involves a plurality of feed ports, and the plurality of feed ports are evenly distributed between the scraper, the guide plate and the support arm.

[0014] Compared with the prior art, the present invention has at least one of the following beneficial technical effects:

[0015] The present invention adopts a rotating mechanism so that the leveling mechanism can rotate and level the concrete in the tunnel, saving manpower. The structural stability is relatively high, and the potential safety hazards in construction are reduced. The scraper in the leveling mechanism is used to scrape the tunnel, and the concrete in the harder parts of the tunnel is crushed by the crushing cone head, thereby solving the problem of uneven initial support flatness of the tunnel project. It is no longer necessary to manually hold a shovel to level the tunnel, thereby ensuring the quality of the later waterproof layer and lining construction, shortening the construction time, and saving construction costs.

[0016] Furthermore, by setting up a storage box, the shotcrete scraped off can be recycled in time when the tunnel is scraped and leveled, and concrete sandless pads and arch support pads can be made to save the amount of shotcrete. The scraped concrete debris can be guided by the scraper and guide plate to prevent the concrete debris from falling from a high altitude, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a mechanical rotatable device for the flatness of the initial support of a tunnel is given;

[0018] Figure 2 It is a schematic diagram of the leveling mechanism structure;

[0019] Figure 3 A schematic diagram of a multi-angle three-dimensional structure of a mechanical rotatable device for the flatness of a tunnel primary support is given;

[0020] Figure 4 It is a schematic diagram of the multi-angle three-dimensional structure of the leveling mechanism;

[0021] Figure 5 It is a schematic diagram of the rotating mechanism structure of a mechanical rotatable device for the initial support flatness of a tunnel;

[0022] Figure 6 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0023] 1. Frame; 11. Fixed seat; 12. Connecting block; 13. Driving block; 14. Fixed plate; 15. Connecting end frame; 16. Fixed table; 17. Extension plate; 18. Connecting angle steel; 19. Scraper connecting plate; 110. Fixed terminal; 111. Connecting rib plate; 2. Connecting bearing cover; 21. Connecting bearing; 22. Anti-skid layer; 23. Storage box; 24. Support ring frame; 25. Support rod one; 26. Connecting rod one; 27. Support arm; 28. Crushing cone head; 29. ​​Support rod two; 3. Ring; 31. Telescopic rod; 32. Guide plate; 33. Support rod three; 34. Connecting rod two; 35. Feed inlet; 36. Buffer terminal; 37. Scraper. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0026] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Example 1

[0031] like Figure 1 As shown, a mechanical rotatable device for the flatness of a tunnel primary support proposed by the present invention comprises a stand 1 and a rotating mechanism fixed to the top of the stand 1, the rotating mechanism comprises a fixed platform 16 fixed to the bottom end of the stand 1, a connecting mechanism is arranged at the bottom end of the fixed platform 16, a receiving mechanism is arranged at the bottom end of the connecting mechanism, and by arranging the receiving mechanism, the device can collect and reuse the scraped shotcrete waste, thereby saving costs.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4and Figure 6 As shown, the storage mechanism includes a connecting bearing cover 2 fixed to the bottom end of the scraper connecting plate 19, the bottom end of the connecting bearing cover 2 is fixedly connected to a connecting bearing 21, the bottom end of the connecting bearing 21 is fixedly connected to a storage box 23, and the inner wall of the connecting bearing 21 involves an anti-skid layer 22, and the outer wall of the storage box 23 is fixedly connected to a leveling mechanism, the leveling mechanism includes two supporting ring frames 24 fixed to the outer wall of the storage box 23, a plurality of supporting rods 25 are fixedly connected between the two supporting ring frames 24, and the outer walls of the plurality of supporting rods 25 are penetrated by a plurality of connecting rods 26, one end of the plurality of connecting rods 26 is connected to the storage box 23, and the other end of the plurality of connecting rods 26 is fixedly connected to a supporting arm 27, and the end of the plurality of supporting arms 27 away from the connecting rod 26 is fixedly connected to a crushing cone head 28;

[0033] Through the above arrangement, the connecting bearing cover 2 is fixed by the fixed terminal 110, so that the connecting bearing 21 can drive the entire device to rotate through the rotating mechanism, so that the multiple scrapers 37 can be rotated, and the uneven concrete on the outer surface of the tunnel is leveled by the scraper 37, and the crushing cone head 28 is driven by the multiple support arms 27 to crush the position where the scraper cannot scrape, so that the device can better level the tunnel, and the scraped waste is guided to the feed port 35 through the guide plate 32, and the crushed material is transmitted to the storage box 23 through the feed port 35, so that the crushed material can be timely recycled and reused. Concrete sandless pads and arch support pads can be made, saving the amount of shotcrete.

[0034] In this embodiment, the connecting bearing cover 2 is fixed by the fixed terminal 110, so that the connecting bearing 21 can drive the entire device to rotate through the rotating mechanism, so that the multiple scrapers 37 can be rotated, and the uneven concrete on the outer surface of the tunnel is leveled by the scrapers 37. The crushing cone head 28 is driven by the multiple support arms 27 to crush the position that the scraper cannot scrape, so that the device can better level the tunnel. The scraped waste is guided to the feed port 35 through the guide plate 32, and the crushed material is transmitted to the storage box 23 through the feed port 35, so that the crushed material can be recycled in time with the scraped shotcrete.

[0035] Example 2

[0036] like Figure 1As shown, based on the embodiment 1, the connection mechanism includes an extension plate 17 fixed to the bottom end of the fixed platform 16, the outer wall of the extension plate 17 is fixedly connected to the connecting angle steel 18 on both sides, and the top of the extension plate 17 is fixedly connected to a plurality of connecting ribs 111, the outer wall of the plurality of connecting angle steels 18 is fixedly connected to a scraper connecting plate 19 on one side away from the extension plate 17, the bottom end of the scraper connecting plate 19 is fixedly connected to two fixed terminals 110, and one side of the two fixed terminals 110 is fixedly connected to the bearing cover 2;

[0037] Through the above-mentioned arrangement, by setting a fixed platform 16, the rotating mechanism can drive the leveling mechanism below to rotate and level the tunnel, and the scraper connecting plate 19 is fixed by the extension plate 17 and the connecting angle steel 18. The specification of the connecting angle steel 18 adopts an angle steel of 125×125×12 mm, and the extension plate 17 and the scraper connecting plate 19 are both made of a steel plate with a width of 20 mm. The structural stability is relatively high, which reduces the potential safety hazards in construction, and enables the device to drive the leveling mechanism to rotate to level the tunnel surface, saving manpower.

[0038] like Figure 1 As shown, a fixing seat 11 is fixedly connected to one side of the top of the platform 1, a connecting block 12 is fixedly connected to the top of the fixing seat 11, and a driving block 13 is rotatably connected to the top of the connecting block 12. By arranging the connecting block 12 and the driving block 13, the device can be hydraulically driven.

[0039] like Figure 1 As shown, a fixing plate 14 is fixedly connected to the other side of the top of the stand 1, a connecting end frame 15 is fixedly connected to the top of the fixing plate 14 near the center position, and the bottom end of the connecting end frame 15 passes through the fixing plate 14 and is connected to the stand 1. By arranging the fixing plate 14 and the connecting end frame 15, the construction machinery can be better fixed to the device.

[0040] like Figure 3 As shown, a plurality of support rods 29 are fixedly connected between the two support ring frames 24, a plurality of rings 3 are fixedly connected to the outer walls of the plurality of support rods 29, a telescopic rod 31 is fixedly connected to one side of the outer walls of the plurality of rings 3, a plurality of telescopic rods 31 are fixedly connected to one end of the guide plates 32, a plurality of buffer terminals 36 are fixedly connected to one end of the outer walls of the plurality of guide plates 32 away from the telescopic rod 31, and a plurality of buffer terminals 36 are fixedly connected to the storage box 23 at one end away from the guide plate 32. By arranging the telescopic rod 31 and the buffer terminal 36, when the guide plate 32 guides the scraped large debris into the storage box 23, the guide plate 32 is prevented from being smashed and deformed.

[0041] like Figure 3As shown, the outer walls of the two support ring frames 24 are penetrated by multiple support rods three 33, and the outer walls of the multiple support rods three 33 are penetrated by multiple connecting rods two 34. One end of the multiple connecting rods two 34 is connected to the storage box 23, and one end of the multiple connecting rods two 34 away from the storage box 23 is fixedly connected with a scraper 37. By setting the scraper 37, the shotcrete in the tunnel can be scraped and leveled by the scraper 37.

[0042] like Figure 3 As shown, the outer wall of the storage box 23 involves multiple feed ports 35, and the multiple feed ports 35 are evenly distributed between the scraper 37, the guide plate 32 and the support arm 27. By providing multiple feed ports 35, the device can absorb waste into the storage box 23.

[0043] The above specific embodiments are only several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A mechanical rotatable device for measuring the flatness of a tunnel primary support, comprising a frame (1) and a rotating mechanism fixed to the top of the frame (1), characterized in that: The rotating mechanism comprises a fixed platform (16) fixed to the bottom end of the platform (1), a connecting mechanism is arranged at the bottom end of the fixed platform (16), and a storage mechanism is arranged at the bottom end of the connecting mechanism; The storage mechanism comprises a connecting bearing cover (2) fixed to the bottom end of the scraper connecting plate (19), the bottom end of the connecting bearing cover (2) is fixedly connected to a connecting bearing (21), the bottom end of the connecting bearing (21) is fixedly connected to a storage box (23), the inner wall of the connecting bearing (21) is provided with an anti-slip layer (22), and the outer wall of the storage box (23) is fixedly connected to a leveling mechanism.

2. A mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 1, characterized in that: The connection mechanism comprises an extension plate (17) fixed to the bottom end of a fixed platform (16), both sides of the outer wall of the extension plate (17) are fixedly connected with connection angle steels (18), and the top end of the extension plate (17) is fixedly connected with a plurality of connection ribs (111), the outer walls of the plurality of connection angle steels (18) are fixedly connected with a scraper connection plate (19) on a side away from the extension plate (17), the bottom end of the scraper connection plate (19) is fixedly connected with two fixed terminals (110), and one side of the two fixed terminals (110) is fixedly connected to a bearing cover (2).

3. The mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 1, characterized in that: A fixing seat (11) is fixedly connected to one side of the top end of the stand (1), a connecting block (12) is fixedly connected to the top end of the fixing seat (11), and a driving block (13) is rotatably connected to the top end of the connecting block (12).

4. The mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 1, characterized in that: A fixing plate (14) is fixedly connected to the other side of the top of the stand (1), a connecting end frame (15) is fixedly connected to the top of the fixing plate (14) at a central position, and the bottom end of the connecting end frame (15) passes through the fixing plate (14) and is connected to the stand (1).

5. The mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 1, characterized in that: The leveling mechanism comprises two support ring frames (24) fixed to the outer wall of the storage box (23), a plurality of support rods (25) are fixedly connected between the two support ring frames (24), a plurality of connecting rods (26) are passed through the outer wall of the plurality of support rods (25), one end of the plurality of connecting rods (26) is connected to the storage box (23), and the other end of the plurality of connecting rods (26) is fixedly connected to a support arm (27), and one end of the plurality of support arms (27) away from the connecting rod (26) is fixedly connected to a crushing cone head (28).

6. A mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 5, characterized in that: A plurality of support rods (29) are fixedly connected between the two support ring frames (24); a plurality of collars (3) are fixedly connected to the outer walls of the plurality of support rods (29); a telescopic rod (31) is fixedly connected to one side of the outer walls of the plurality of collars (3); and a guide plate (32) is fixedly connected to one end of the plurality of telescopic rods (31).

7. A mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 6, characterized in that: A plurality of buffer terminals (36) are fixedly connected to one end of the outer wall of the plurality of guide plates (32) away from the telescopic rod (31), and one end of the plurality of buffer terminals (36) away from the guide plate (32) is fixedly connected to the storage box (23).

8. The mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 5, characterized in that: A plurality of support rods three (33) are passed through the outer walls of the two support ring frames (24), and a plurality of connecting rods two (34) are passed through the outer walls of the plurality of support rods three (33), one end of the plurality of connecting rods two (34) is connected to the storage box (23), and one end of the plurality of connecting rods two (34) away from the storage box (23) is fixedly connected to a scraper (37).

9. The mechanical rotatable device for measuring the flatness of a tunnel primary support according to claim 1, characterized in that: The outer wall of the storage box (23) involves a plurality of feed openings (35), and the plurality of feed openings (35) are evenly distributed between the scraper (37), the guide plate (32) and the support arm (27).

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