Special-shaped segment cutting device

Abstract

The utility model relates to a special-shaped pipe piece cutting device. The cutting device is used for switching arc-shaped pipe pieces. The cutting device comprises a cutting machine body and a supporting assembly, the cutting machine body is in sliding connection with the supporting assembly, and an arc-shaped guide face is arranged on the side, away from the cutting machine body, of the supporting assembly and used for being attached to the periphery of the duct piece. According to the pipe piece cutting device, the arc-shaped guide face of the supporting assembly is attached to the pipe piece, and therefore a worker can conveniently arrange the cutting device on the pipe piece; therefore, when the cutting machine body moves and cuts the edge area of the segment, the arc-shaped guide face of the supporting assembly is attached to the segment all the time, a worker can cut the segment conveniently, and the segment cutting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a special-shaped segment cutting device. BACKGROUND

[0002] Segments are an important part of shield tunnel construction, which are used to form the lining structure of the tunnel. The segments are reinforced concrete structures with certain strength and durability, which can withstand the water pressure and soil pressure inside the tunnel, and can also resist external geological disasters. In the prior art, workers need to arrange a plurality of segments in a ring shape to form an arched support structure.

[0003] Unlike common building structures such as beams, slabs, columns, etc., segments are prefabricated in a factory, and the segments are special-shaped arc shapes. Therefore, during the on-site installation of the segments, if the segment structure deviates from the space available for installation on site, the workers need to cut the concrete at the edge of the segment. However, the segment is a special-shaped arc structure, and the workers have difficulty using existing cutting devices to cut the segment. CONTENT OF THE UTILITY MODEL

[0004] In order to facilitate the workers to cut the segments and improve the cutting efficiency of the segments, the present application provides a special-shaped segment cutting device.

[0005] The special-shaped segment cutting device provided by the present application adopts the following technical solution:

[0006] A special-shaped segment cutting device, the cutting device is used to cut an arc-shaped segment; the cutting device comprises a cutting machine main body and a support assembly, the cutting machine main body is slidably connected with the support assembly, the support assembly is provided with an arc-shaped guide surface on the side away from the cutting machine main body, and the arc-shaped guide surface is used to be fitted with the outer periphery of the segment.

[0007] By adopting the above technical solution, the arc-shaped guide surface of the support assembly is fitted with the segment, thereby facilitating the workers to install the segment and move the cutting device; thereby when the workers cut the segment, the arc-shaped guide surface of the support assembly is always fitted with the segment, thereby facilitating the workers to move the cutting machine main body to cut the segment, and improving the cutting efficiency of the segment.

[0008] Optionally, the support assembly comprises a pad and guide wheels, the guide wheels are arranged in at least two groups, and the two groups of guide wheels are fixedly connected with the pad at intervals; the cutting machine main body is slidably connected with the pad, the guide wheels are used to abut against the segment, and a plurality of contact points of the guide wheels and the segment form the arc-shaped guide surface.

[0009] By adopting the technical scheme, the arc-shaped guide surface of the support assembly is composed of a plurality of guide wheels, and the guide wheels slide on the arc-shaped surface of the segment; thus, the cutting device can be moved by the worker, and the cutting efficiency of the segment is further improved.

[0010] Optionally, the sliding direction of the cutting machine body is arranged at an acute angle with the vertical line.

[0011] By adopting the technical scheme, the cutting blade can be pressed into the concrete of the segment by the worker, and the segment can be cut by the worker.

[0012] Optionally, the cutting machine body comprises a motor and a cutting blade, the motor drives the cutting blade to rotate, and the motor is located in the projection plane formed by the plurality of guide wheels.

[0013] By adopting the technical scheme, the motor is located in the projection plane formed by the plurality of guide wheels, so that the stability of the cutting device can be improved when the cutting blade of the cutting machine body is pressed into the concrete by the worker.

[0014] Optionally, the support assembly further comprises a connecting screw rod and a connecting nut, one end of the connecting screw rod is fixedly connected with the guide wheel, the pad is provided with a mounting hole for the connecting screw rod to pass through, the connecting nut is threadedly connected with the connecting screw rod, and the connecting nut is arranged on both sides of the mounting hole, and the connecting screw rod is used for adjusting the distance between the guide wheel and the pad.

[0015] By adopting the technical scheme, the relative distance between the plurality of guide wheels is adjusted by adjusting the connecting screw rod and the connecting nut, so that the arc of the arc-shaped guide surface formed by the guide wheels is changed, the cutting device can be adapted to segments with different arcs, and the use range of the cutting device is improved.

[0016] Optionally, the guide assembly further comprises a groove-shaped guide rail, the groove-shaped guide rail is used for detachably connecting with the segment, and the groove-shaped guide rail is used for guiding the sliding of the guide wheel.

[0017] By adopting the technical scheme, the guide wheel slides in the groove-shaped guide rail, so that the cutting device can be moved by the worker, and the worker can further cut the concrete at the edge of the segment, and the cutting efficiency of the segment is improved.

[0018] Optionally, the guide assembly further comprises a groove-shaped fastening plate and a fastening bolt, the segment is arranged in the groove of the groove-shaped fastening plate, the groove side wall of the groove-shaped fastening plate is provided with a fastening hole, the fastening bolt is threadedly connected with the hole side wall of the fastening hole, and the fastening bolt is abutted and fixed with the groove-shaped guide rail.

[0019] Through the above technical scheme, the staff sets the groove-shaped guide rail on the segment by using the groove-shaped fastening plate and the fastening bolt, thereby improving the construction efficiency of the staff.

[0020] Optionally, the guide wheels are arranged in two groups, and the groove-shaped guide rails are correspondingly arranged in two groups.

[0021] Through the above technical scheme, the guide wheels and the groove-shaped guide rails are both arranged in two groups, thereby improving the stability of the cutting machine body.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The arc-shaped guide surface of the support assembly is attached to the segment, thereby facilitating the staff to set the cutting device on the segment; when the cutting machine body moves and cuts the edge area of the segment, the arc-shaped guide surface of the support assembly is always attached to the segment, thereby facilitating the staff to cut the segment and improving the cutting efficiency of the segment.

[0024] 2. The arc-shaped guide surface of the support assembly is composed of a plurality of guide wheels, and the guide wheels slide on the arc-shaped surface of the segment; thereby facilitating the staff to move the cutting device, thereby further improving the cutting efficiency of the segment.

[0025] 3. The guide wheels slide in the groove-shaped guide rail, thereby facilitating the staff to move the cutting device, further facilitating the staff to cut the concrete at the edge of the segment, and improving the cutting efficiency of the segment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the cutting device when the cutting device works in embodiment 1.

[0027] Figure 2 is a structural schematic view of the cutting device in embodiment 1.

[0028] Figure 3 is a structural schematic view of the cutting device in embodiment 1.

[0029] Figure 4 is a structural schematic view of the support assembly in embodiment 2.

[0030] Figure 5 is a structural schematic view of the cutting device in embodiment 3.

[0031] Figure 6 is Figure 5 is an enlarged view of A in FIG.

[0032] Explanation of reference signs: 1, cutting machine main body; 11, rack; 12, motor; 13, cutting blade; 14, handle; 2, supporting assembly; 21, cushion block; 22, guide wheel; 221, arc-shaped guide surface; 23, connecting screw; 24, connecting nut; 3, guide assembly; 31, groove-shaped guide rail; 32, groove-shaped fastening plate; 321, fastening hole; 33, fastening bolt; 4, pipe piece. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying drawings. Figure 1 - the accompanying drawings Figure 6 The present application is further described in detail.

[0034] The embodiment of the present application discloses a special-shaped pipe piece cutting device, which is used for cutting the arc-shaped pipe piece 4. Referring to Figures 1 to 3 , the special-shaped pipe piece cutting device comprises a cutting machine main body 1 and a supporting assembly 2, the cutting machine main body 1 is slidably connected with the supporting assembly 2, and the supporting assembly 2 is provided with an arc-shaped guide surface 221 on the side away from the cutting machine main body 1, and the arc-shaped guide surface 221 is used for being fitted with the outer periphery of the pipe piece 4.

[0035] Referring to Figure 1 and Figure 2 , the supporting assembly 2 comprises a cushion block 21 and a guide wheel 22, the guide wheel 22 is provided in at least two groups, and the two groups of guide wheels 22 are fixedly connected with the cushion block 21 at intervals; the guide wheel 22 is used for abutting with the pipe piece 4; referring to Figure 2 and Figure 3 , the contact points of the plurality of guide wheels 22 and the pipe piece 4 form the arc-shaped guide surface 221. In the embodiment, the guide wheels 22 are provided in two groups at intervals, and each group has a plurality of guide wheels 22, so as to improve the stability of the sliding of the supporting assembly 2. In the embodiment, the cushion block 21 is a frame structure welded by steel pipes, and the cushion block 21 is fixedly connected with the cutting machine main body 1 through bolts. In other embodiments, the cushion block 21 can also be a silica gel block, a wooden block or the like.

[0036] Referring to Figure 1 and Figure 2 , the cutting machine main body 1 is slidably connected with the cushion block 21, and the cutting machine main body 1 comprises a rack 11, a motor 12 mounted on the rack 11, a cutting blade 13 and a handle 14. The rack 11 is slidably arranged with the cushion block 21, and the sliding connection between the rack 11 and the cushion block 21 can be realized through the cooperation of a sliding block and a sliding strip; the motor 12 drives the cutting blade 13 to rotate, so as to drive the cutting blade 13 to cut the pipe piece 4; the handle 14 is used for being gripped by a worker, so as to facilitate the worker to move the cutting device.

[0037] Referring to Figure 1 and Figure 2, and in this embodiment, the cushion block 21 is in the shape of "L", and the motor 12 is located in the projection plane formed by the plurality of guide wheels 22; so that when the worker presses the cutting blade 13 of the cutting machine main body 1 into the concrete, the stability of the cutting device can be improved, and the deviation of the cutting device can be reduced. In this embodiment, the sliding direction of the cutting machine main body 1 is arranged at an acute angle with the vertical line, so as to facilitate the worker to press the cutting blade 13 into the concrete of the pipe piece 4, and facilitate the worker to cut the pipe piece 4.

[0038] The implementation principle of the special-shaped pipe piece cutting device in the embodiment of the application is:

[0039] Referring to Figures 1 to 3 , the arc-shaped guide surface 221 of the support assembly 2 is in close contact with the pipe piece 4, so as to facilitate the worker to set the cutting device on the pipe piece 4; so that when the cutting machine main body 1 moves and cuts the edge area of the pipe piece 4, the arc-shaped guide surface 221 of the support assembly 2 is always in close contact with the pipe piece 4, so as to facilitate the worker to cut the pipe piece 4 and improve the cutting efficiency of the pipe piece 4.

[0040] Meanwhile, the arc-shaped guide surface 221 of the support assembly 2 is formed by a plurality of guide wheels 22, and the guide wheels 22 slide on the arc-shaped surface of the pipe piece 4; so as to facilitate the worker to move the cutting device, so as to further improve the cutting efficiency of the pipe piece 4.

[0041] Embodiment 2

[0042] The difference between the embodiment 2 and the embodiment 1 is:

[0043] Referring to Figure 4 , the support assembly 2 further comprises a connecting screw 23 and a connecting nut 24, the cushion block 21 is provided with a mounting hole for the connecting screw 23 to pass through, and the hole side wall of the mounting hole has an internal thread. One end of the connecting screw 23 is fixedly connected with the guide wheel 22,

[0044] The other end of the connecting screw 23 passes through the mounting hole on the cushion block 21; the connecting nut 24 is threadedly connected with the connecting screw 23, and the connecting nut 24 is arranged on both sides of the mounting hole. The connecting screw 23 is used for adjusting the distance between the guide wheel 22 and the cushion block 21.

[0045] The implementation principle of the special-shaped pipe piece cutting device in the embodiment of the application is:

[0046] Referring to Figure 4 , the worker can adjust the distance between the guide wheel 22 and the cushion block 21 by adjusting the connecting screw 23 and the connecting nut 24, that is, adjusting the relative distance between the plurality of guide wheels 22, so as to change the arc of the arc-shaped guide surface 221 formed by the guide wheels 22, so that the cutting device can adapt to pipe pieces 4 with different arcs, and the application range of the cutting device is improved.

[0047] Embodiment 2

[0048] The difference between this embodiment 2 and embodiment 1 is that:

[0049] With reference to Figure 5 and Figure 6 , the cutting device further comprises a guide assembly 3 for sliding connection of the guide wheels 22. In this embodiment, two groups of guide wheels 22 are arranged at intervals, and two groups of groove-shaped guide rails 31 are correspondingly arranged.

[0050] With reference to Figure 5 and Figure 6 , specifically, the guide assembly 3 comprises a groove-shaped guide rail 31, a groove-shaped fastening plate 32 and a fastening bolt 33. The groove-shaped guide rail 31 is used for sliding of the guide wheels 22; the groove-shaped fastening plate 32 and the fastening bolt 33 are arranged on both sides of the groove-shaped guide rail 31, the segment 4 is arranged in the groove of the groove-shaped fastening plate 32, and the groove side wall of the groove-shaped fastening plate 32 is provided with a fastening hole 321, the fastening bolt 33 is threadedly connected with the hole side wall of the fastening hole 321, and the fastening bolt 33 is abutted and fixed with the groove-shaped guide rail 31. That is, the staff uses the groove-shaped fastening plate 32 and the fastening bolt 33 to fixedly arrange the groove-shaped guide rail 31 on the segment 4, which improves the construction efficiency of the staff; at the same time, the guide wheels 22 slide in the groove-shaped guide rail 31, so as to facilitate the staff to move the cutting device, so as to further facilitate the staff to cut the concrete at the edge of the segment 4, and improve the cutting efficiency of the segment 4.

[0051] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A special-shaped segment cutting device, the cutting device being used for switching a segment (4) of an arc shape; characterized in that: The cutting device comprises a cutting machine body (1) and a supporting assembly (2), the cutting machine body (1) is in sliding connection with the supporting assembly (2), and the supporting assembly (2) is provided with an arc-shaped guide surface (221) away from one side of the cutting machine body (1), and the arc-shaped guide surface (221) is used for being attached to the outer periphery of a pipe piece (4).

2. The profiled tube sheet cutting apparatus of claim 1, wherein: The supporting assembly (2) comprises a cushion block (21) and a guide wheel (22), the guide wheel (22) is provided in at least two groups, the two groups of guide wheels (22) are fixedly connected with the cushion block (21) at intervals, the cutting machine body (1) is in sliding connection with the cushion block (21), the guide wheel (22) is used for abutting against the pipe piece (4), and a plurality of contact points of the guide wheels (22) and the pipe piece (4) form the arc-shaped guide surface (221).

3. The contoured tube sheet cutting device of claim 2, wherein: The sliding direction of the cutting machine body (1) is arranged at an acute angle with a vertical line.

4. The profiled tube sheet cutting apparatus of claim 2, wherein: The cutting machine body (1) comprises a motor (12) and a cutting blade (13), the motor (12) drives the cutting blade (13) to rotate, and the motor (12) is located in a projection plane formed by the guide wheels (22).

5. The profiled tube sheet cutting apparatus of claim 2, wherein: The supporting assembly (2) further comprises a connecting screw rod (23) and a connecting nut (24), one end of the connecting screw rod (23) is fixedly connected with the guide wheel (22), the cushion block (21) is provided with a mounting hole for the connecting screw rod (23) to pass through, the connecting nut (24) is in threaded connection with the connecting screw rod (23), and the connecting nut (24) is arranged on both sides of the mounting hole, and the connecting screw rod (23) is used for adjusting the distance between the guide wheel (22) and the cushion block (21).

6. The profiled tube sheet cutting apparatus of claim 2, wherein: The cutting device further comprises a guide assembly (3), the guide assembly (3) comprises a groove-shaped guide rail (31), the groove-shaped guide rail (31) is used for being detachably connected with the pipe piece (4), and the groove-shaped guide rail (31) is used for allowing the guide wheel (22) to slide.

7. The profiled tube sheet cutting apparatus of claim 6, wherein: The guide assembly (3) further comprises a groove-shaped fastening plate (32) and a fastening bolt (33), the pipe piece (4) is arranged in a groove of the groove-shaped fastening plate (32), the groove side wall of the groove-shaped fastening plate (32) is provided with a fastening hole (321), the fastening bolt (33) is in threaded connection with the hole side wall of the fastening hole (321), and the fastening bolt (33) is in abutting connection with the groove-shaped guide rail (31) and is fixed.

8. The profiled tube sheet cutting apparatus of claim 6, wherein: The guide wheels (22) are provided in two groups at intervals, and the groove-shaped guide rail (31) is correspondingly provided with two groups.

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