阅读说明：本技术 一种隧道洞门施工装置 (Tunnel portal construction device ) 是由 刘立军 于 2021-08-31 设计创作，主要内容包括：本发明涉及隧道施工领域,更具体的说是一种隧道洞门施工装置。包括中心架,以及四个安装在中心架外围的行走件,以及通过箱架安装在中心架上方的回收箱,以及一端固接并连通在回收箱上的连接管；所述行走件包括轴Ⅰ,以及至少两个均匀分布且安装在轴Ⅰ前侧的轮Ⅰ；其中,四个轴Ⅰ的轴线分别位于一个虚拟矩形的四角,回收箱内设有提供连接管产生吸力的设备,高于行走件,所述连接管能够万向调节。利用轮Ⅰ可以在管棚上行走,使得连接管相对于管棚的位置可调,使连接管对准孔位,利用吸力进行清孔,使装置行走在管棚上即可进行连续的清孔。(The invention relates to the field of tunnel construction, in particular to a tunnel portal construction device. The device comprises a center frame, four walking pieces arranged on the periphery of the center frame, a recovery box arranged above the center frame through a box frame, and a connecting pipe one end of which is fixedly connected and communicated with the recovery box; the walking part comprises a shaft I and at least two wheels I which are uniformly distributed and are arranged on the front side of the shaft I; wherein, the axis of four axle I is located the four corners of a virtual rectangle respectively, is equipped with the equipment that provides the connecting pipe and produce suction in the collection box, is higher than the walking piece, the connecting pipe can universal regulation. Utilize wheel I can walk on the pipe canopy for the connecting pipe is adjustable for the position of pipe canopy, makes the connecting pipe aim at the hole site, utilizes suction to clear the hole, makes the device walk and can carry out continuous clear hole on the pipe canopy.)

1. A tunnel portal construction device comprises a central frame (11), four walking pieces arranged on the periphery of the central frame (11), a recovery box (42) arranged above the central frame (11) through a box frame (41), and a connecting pipe (7) with one end fixedly connected and communicated with the recovery box (42); the walking part comprises a shaft I (31) and at least two wheels I (32) which are uniformly distributed and are arranged on the front side of the shaft I (31); wherein, the axis of four I (31) axles is located the four corners of a virtual rectangle respectively, is equipped with the equipment that provides connecting pipe (7) and produce suction in collection box (42), is higher than the walking piece, connecting pipe (7) can universal regulation.

2. The construction device according to claim 1, further comprising two bearing seats I (12) respectively fixedly connected to the left and right ends of the upper end of the center frame (11), two square columns (22) respectively slidably connected to the left and right ends of the lower side of the center frame (11), and bearing seats II (23) fixedly connected to the lower ends of the square columns (22), wherein two shafts I (31) located above are respectively rotatably connected to the two bearing seats I (12), and two shafts I (31) located below are respectively rotatably connected to the two bearing seats II (23); the relative position of the square column (22) and the center frame (11) can be adjusted and positioned.

3. The construction equipment according to claim 2, further comprising a connecting frame (21) fixedly connected to the lower side of the two square columns (22), and an electric cylinder I (24) for driving the connecting frame (21) to ascend and descend, wherein the electric cylinder I (24) is installed on the central frame (11).

4. The construction device as claimed in claim 3, further comprising a motor I (25) mounted on the central frame (11), and three belt pulleys I (26) respectively fixedly connected to an output shaft of the motor I (25) and two lower shafts I (31), wherein the three belt pulleys I (26) are synchronously connected through a belt.

5. The construction device as claimed in any one of claims 1 to 4, wherein the shaft I (31) extends rearward, and wheels I (32) are mounted to a rear side of the shaft I (31).

6. The construction equipment according to claim 5, further comprising a reset seat (46) slidably connected below the box frame (41) and the recovery box (42), a shaft II (43) rotatably connected below the reset seat (46), a wheel II (44) fixedly connected on the shaft II (43), and a motor II (45) installed on the reset seat (46), wherein the wheel II (44) can be positioned at the upper side of the upper wheel I (32); the top of the reset seat (46) is provided with a limiting part for preventing the reset seat from falling off, and a compression spring is arranged in the recovery box (42) and is abutted against the upper end of the limiting part.

7. The construction device according to claim 6, further comprising a recovery pipe (51) communicating with the connection pipe (7).

8. The construction device according to claim 7, further comprising a key groove (52) arranged on the outer ring of the recovery pipe (51), a bearing I (53) with an inner ring fixedly connected to the rear side of the recovery pipe (51), an outer seat (54) fixedly connected to the outer ring of the bearing I (53), an electric cylinder II (55) with a movable end fixedly connected to the outer seat (54), an inner seat (56), a key (57) integrally connected to the inner end of the inner seat (56), a bearing II (58) with an inner ring fixedly connected to the outer surface of the inner seat (56), a cleaning brush (59) fixedly connected to the outer ring of the front end of the recovery pipe (51), an electric cylinder III (61) fixedly connected to the center frame (11), and a base frame (62) fixedly connected to the movable end of the electric cylinder III (61); the key (57) is connected in the key groove (52) in a sliding mode, the inner seat (56) is connected on the recovery pipe (51) in a sliding mode, and the outer ring of the bearing II (58) is fixedly connected in the base frame (62).

9. The construction device according to claim 8, wherein the sweeper brush (59) comprises an annular inner seat and a brush bonded to an outer ring of the annular inner seat.

10. The construction device as claimed in claim 9, further comprising a motor iii (63) fixed on the base frame (62), and a friction wheel (64) fixed on an output shaft of the motor iii (63), wherein the friction wheel (64) is in friction transmission with the recovery pipe (51).

Technical Field

The invention relates to the field of tunnel construction, in particular to a tunnel portal construction device.

Background

The tunnel portal covering layer is thin, the self-supporting capability of surrounding rocks is weak, and some self-supporting capabilities are even not provided. Therefore, the most important thing in the construction of the opening section is to improve the self-supporting capability of the surrounding rock and ensure the excavation and the subsequent operation. Particularly, in the sections which are easy to slip and collapse, such as shallow buried areas, broken areas, landslides, collapse areas, weak areas, rich underground water, weak interlayers and the like, comprehensive pre-reinforcement measures are needed. The hole engineering and the adjacent engineering should be arranged in a coordinated way and should be completed as early as possible before rainy season. Before the construction of the opening, the stability of the mountain above the side slope and the heading slope is checked, the suspended stones are removed, and the dangerous stones are treated. The construction of the pipe shed is the core, and hole cleaning is needed after continuous drilling of the large-scale pipe shed, but the pipe shed is high, the number of holes is dozens of high, and the workload is large.

Disclosure of Invention

The invention provides a tunnel portal construction device, and aims to accelerate the hole cleaning efficiency of a pipe shed.

The above purpose is realized by the following technical scheme:

a tunnel portal construction device comprises a central frame, four walking pieces arranged on the periphery of the central frame, a recovery box arranged above the central frame through a box frame, and a connecting pipe one end of which is fixedly connected and communicated with the recovery box; the walking part comprises a shaft I and at least two wheels I which are uniformly distributed and are arranged on the front side of the shaft I; wherein, the axis of four axle I is located the four corners of a virtual rectangle respectively, is equipped with the equipment that provides the connecting pipe and produce suction in the collection box, is higher than the walking piece, the connecting pipe can universal regulation.

The bearing seat I is fixedly connected to the left end and the right end of the upper end of the center frame respectively, the two square columns are connected to the left end and the right end of the lower side of the center frame respectively in a sliding mode, the bearing seat II is fixedly connected to the lower end of the square column, the two shafts I located above the bearing seat I are connected to the two bearing seats I respectively in a rotating mode, and the two shafts I located below the bearing seat I are connected to the two bearing seats II respectively in a rotating mode; the relative position of the square column and the center frame can be adjusted and positioned.

Still include the even frame of rigid coupling in two square columns downside to and the even electronic jar I that realizes going up and down of frame of drive, electronic jar I is installed on the centre frame.

Still including installing motor I on the centre frame to and three rigid coupling respectively are at I output shaft of motor and two band pulleys I that are located below on axle I, and three band pulley I passes through belt synchronous drive and connects.

Drawings

Fig. 1 shows an overall structure of a tunnel portal construction apparatus according to the present invention;

FIG. 2 shows the overall structure of the present invention;

FIG. 3 shows a steady rest adjacent structure;

FIG. 4 shows a shelf-adjacent structure;

FIG. 5 is a detail of FIG. 4;

FIG. 6 shows a tank tower and a nearby structure of a recovery pipe;

FIG. 7 is a detail of FIG. 6;

FIG. 8 is a detail of FIG. 6;

fig. 9 shows the inner seat and the key.

Fig. 10 shows an electric cylinder iii, a base frame, a motor iii, and a friction wheel.

Detailed Description

Referring preferentially to fig. 1 to 4, a tunnel portal construction apparatus includes a center frame 11, four traveling members, a recovery tank 42, and a connection pipe 7.

Wherein, the central frame 11 is preferably a rectangular frame-shaped structure, which is long in the transverse direction and wide in the longitudinal direction, the walking member comprises a shaft I31 and a wheel I32, the wheel I32 is installed on the shaft I31, four shafts I31 are all installed on the central frame 11, two shafts I31 are positioned at the left end and the right end of the upper end of the central frame 11, the other two shafts I31 are positioned at the left end and the right end of the lower end of the central frame 11, the front end of the shaft I31 extends towards the front of the central frame 11, at least two wheels I32 are arranged in front of the central frame 11, one of the two wheels I32 is arranged at the front end of the shaft I31, the other is arranged at the position close to the front end surface of the central frame 11, a dust suction device which can make the connecting pipe 7 generate suction is arranged in the recycling box 42, the dust device can adopt the existing brushless products which use the high pressure fan as the power, such as the dust device is communicated with the connecting pipe 7, the recycling box 42 is fixedly connected on the box frame 41, the box frame 41 is fixed to the upper end of the center frame 11.

Embrace four walking pieces and establish on the leading pipe canopy of portal department, the hole quantity of the drilling of pipe canopy is tens usually, utilizes wheel I32 can walk on the pipe canopy for connecting pipe 7 is adjustable for the position of pipe canopy, makes connecting pipe 7 aim at the hole site, utilizes suction to clear the hole, makes the device walking can carry out continuous clear hole on the pipe canopy.

The construction device further comprises a bearing seat I12, a square column 22 and a bearing seat II 23.

Wherein, both ends do not the rigid coupling bearing frame I12 about 11 upper ends of centre frame, both ends are sliding connection square column 22 respectively about 11 downside of centre frame, bearing frame II 23 of each rigid coupling of lower extreme of two square columns 22, install respectively on two bearing frames I12 and bearing frame II 23 two liang of I31 of four axles, wherein initiative driven axle I31 need rotate to be connected at corresponding bearing frame I12 or bearing frame II 23, non-initiative driven axle I31 rigid coupling can on corresponding bearing frame I12 or bearing frame II 23. Preferably, two shafts I31 located above are respectively and fixedly connected to the two bearing seats I12, and two shafts I31 located below are respectively and rotatably connected to the two bearing seats II 23, that is, the two bearing seats II 23 located below are actively driven. In addition, can adjust the relative position change of square column 22 and centre frame 11 to the interval of the walking piece of two directions about changing is suitable for the pipe shed of different specifications, can adopt the bolt to pass the fixed corresponding square column 22 of centre frame 11 in the aspect of the location, but this mode is comparatively loaded down with trivial details, and needs adjust square column 22 respectively.

The lower sides of the two square columns 22 are fixedly connected with a connecting frame 21, the connecting frame 21 is fixedly connected with the movable end of an electric cylinder I24, the shell of the electric cylinder I24 is fixedly connected to the center frame 11, and then the heights of the walking pieces below the two square columns are synchronously adjusted by starting the electric cylinder I24.

Further, a motor I25 is fixedly connected to the connecting frame 21, a belt wheel I26 is fixedly connected to the output shaft of the motor I25 and the rear sides of the two shafts I31 located below, the three belt wheels I26 are synchronously connected through belt transmission, and then the shafts I31 and the wheels I32 located below can rotate after the motor I25 is started to realize walking through active driving, and in the scheme, the shafts I31 extend backwards to be located on the rear sides of the center frames 11.

Further, the axle I31 that is located the top also extends backward, all installs wheel I32 at the rear side of four axles I31, and the wheel I32 rigid coupling of active drive department is on corresponding axle I31, and the wheel I32 rigid coupling that is located the below is on the axle I31 that is located the below, and the wheel I32 that is located the top rotates to be connected on the axle I31 that is located the top. Then this device is except walking like the style of fig. 1 and fig. 2 on ground, also can topple over to side direction 90 degrees and walk, does benefit to the dismouting on the pipe canopy, if march in pipe canopy and ground junction, the contact of side direction wheel I32 and ground can not topple over, also is convenient for start the climbing.

Referring to fig. 5 and 6, the construction device further includes a shaft ii 43, a wheel ii 44, a motor ii 45, and a reset seat 46.

The reset seat 46 is connected to the box frame 41 and the bottom of the recovery box 42 in a sliding manner, namely the reset seat 46 penetrates through the box frame 41 from bottom to top to enter the recovery box 42, the top of the reset seat 46 is fixedly connected with a limiting part, the bottom end of the limiting part can be in contact with the bottom of the end face in the recovery box 42, the limiting part can prevent the reset seat 46 from falling off, a compression spring is arranged at the upper end of the limiting part, the upper end of the compression spring is fixedly connected to the top in the recovery box, the lower end of the compression spring is abutted to the limiting part, the limiting part can be rapidly reset downwards when rebounded, the shaft II 43 is rotatably connected to the reset seat 46, the wheel II 44 is fixedly connected to the shaft II 43, and the wheel II 44 can be elastically lifted by extrusion. When the device is used on the pipe shed, the wheel II 44 generates positive pressure on the upper end face of the pipe shed, meanwhile, the motor II 45 is started to enable the wheel II 44 to rotate, the wheel II 44 generates the capacity of driving the device to move back and forth in the direction of the first drawing relative to the upper end of the pipe shed, the device is prevented from falling off from the pipe shed, the correction capacity is generated, and the wheel II 44 capable of being elastically lifted does not influence the left and right movement of the device.

On the other hand, compared with the adjustment of the wheel I32 positioned above, the scheme of selecting the adjustment of the height of the wheel I32 positioned below has two advantages, one is that the synchronous adjustment of the wheel II 44 is not needed to be considered, and the number of obstacles below the door is less than that above, so that the flexible adjustment below is facilitated.

The construction apparatus further includes a recovery pipe 51 connected to and communicating with the connection pipe 7.

Wherein, recovery tube 51 is used for inserting the hole on the piping shed for go into the hole inside more deeply and clear the hole, and then connecting pipe 7 prefers just to have the pipeline of deformability, like universal bamboo joint pipe, and the preferable becket of installing is bordured to the both ends of connecting pipe 7.

Referring to fig. 8 to 10, the construction device further includes a key groove 52 provided on an outer ring of the recovery pipe 51, a bearing i 53, an outer seat 54, an electric cylinder ii 55, an inner seat 56, a key 57, a bearing ii 58, a sweeper brush 59, an electric cylinder iii 61, a base frame 62, a motor iii 63, and a friction wheel 64.

Wherein, the inner ring of the bearing I53 is fixedly connected with the rear side of the recovery pipe 51, the outer seat 54 is fixedly connected with the outer ring of the bearing I53, the movable end of the electric cylinder II 55 is arranged backwards and fixedly connected with the outer seat 54, the front end of the electric cylinder II 55 is fixedly connected with the base frame 62, the electric cylinder II 55 is used for driving the recovery pipe 51 to move forwards and backwards, the inner ring of the inner seat 56 is integrally connected with a key 57 extending forwards and backwards, the key 57 is connected in the key groove 52 in a sliding manner, the inner ring of the bearing II 58 is fixedly connected with the outer ring of the inner seat 56, the base frame 62 is provided with a through hole, the bearing II 58 is positioned in the through hole, the outer ring of the bearing II is fixedly connected in the base frame 62, the cleaning brush 59 is fixedly connected with the front end of the outer ring of the recovery pipe 51, the cleaning brush 59 comprises an annular inner seat and a brush bonded on the outer ring of the annular inner seat, the movable end of the electric cylinder III 61 is fixedly connected with the base frame 62, the shell of the electric cylinder III 61 is fixedly connected on the center frame 11 through a bending seat, the electric cylinder 61 is used for driving the recovery pipe 51 to move upwards and downwards, the motor III 63 is fixedly connected to the base frame 62, the friction wheel 64 is fixedly connected to an output shaft of the motor III 63, the motor III 63 drives the friction wheel 64 to rotate, and the friction wheel 64 drives the recovery pipe 51 to rotate.

The recycling pipe 51 can rotate and move back and forth to clean the inside of the holes of the pipe shed, meanwhile, sundries are sucked into the recycling box 42, and tens of holes on the pipe shed can be cleaned one by one through the integral movement of the device.