Joint cutting equipment for municipal road and bridge construction

Abstract

The utility model relates to the technical field of road bridge construction, in particular to joint cutting equipment for municipal road bridge construction, which comprises a frame, wheels are fixedly connected to four corners of the lower end of the frame, a mounting frame is fixedly connected to the upper end of the frame in a penetrating manner, the mounting frame is of a U-shaped structure, and a joint cutting mechanism is fixedly connected to the inner wall of the mounting frame. The middle of the upper end of the frame is of a hollow structure, the right portion of the upper end of the frame is fixedly connected with two handles, the right portion of the lower end of the frame is fixedly connected with a dustproof curtain, the dustproof curtain is located between two wheels on the right portion of the lower end of the frame, and the joint cutting mechanism does not make contact with the frame. The joint cutting equipment for municipal road and bridge construction is simple in structure, low in manufacturing cost and suitable for being used by small enterprises.

Description

Technical Field

[0001] The utility model relates to the technical field of road and bridge construction, in particular to a seam cutting device for municipal road and bridge construction. Background Art

[0002] Slitting in bridge construction refers to cutting gaps in bridge structures, which is often used to control the shrinkage of concrete and the effects of thermal expansion and contraction. Slitting can help reduce the generation of cracks and improve the overall stability and durability of the structure. There are at least the following disadvantages in the use of existing construction slitting equipment: Most of the existing construction slitting equipment is bulky and complex in structure, resulting in excessively high purchase costs for construction units and increased expenses. In addition, it is not convenient to disassemble and replace the saw blades of existing construction slitting equipment. Usually, the slitting equipment needs to be disassembled before replacement, which increases the difficulty of operation. Therefore, we have launched a slitting equipment for municipal road and bridge construction. Utility Model Content

[0003] The main purpose of the utility model is to provide a seam cutting device for municipal road and bridge construction, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A seam cutting device for municipal road and bridge construction comprises a frame, wherein wheels are fixedly connected to the four corners of the lower end of the frame, a mounting frame is inserted and fixedly connected to the upper end of the frame, the mounting frame is a "U"-shaped structure, a seam cutting mechanism is fixedly connected to the inner wall of the mounting frame, the middle part of the upper end of the frame is a hollow structure, two handles are fixedly connected to the right part of the upper end of the frame, a dust curtain is fixedly connected to the right part of the lower end of the frame, the dust curtain is located between the two wheels at the right part of the lower end of the frame, and the seam cutting mechanism does not contact the frame.

[0006] Preferably, the slitting mechanism includes a movable arm, a protrusion is provided on the movable arm, a motor is fixedly connected to the front end of the protrusion, a saw blade is connected to the output end of the motor, the left end of the movable arm is movably connected to a No. 3 connecting piece via a rotating shaft, the right end of the movable arm is movably connected to a No. 1 connecting piece via a rotating shaft, the upper end of the No. 3 connecting piece is fixedly connected to an electric push rod, and the upper end of the electric push rod is movably connected to a No. 2 connecting piece via a rotating shaft.

[0007] Preferably, the electric push rod, the third connecting piece and the first connecting piece are not in contact with the saw blade, and the saw blade is located behind the first connecting piece, the third connecting piece and the electric push rod.

[0008] Preferably, the output end of the motor is fixedly connected to a base, a rear end of the base is fixedly connected to a plurality of threaded columns, and nuts are threadedly connected to the plurality of threaded columns.

[0009] Preferably, the saw blade is provided with a plurality of mounting holes, and the plurality of mounting holes are respectively and movably connected with a plurality of threaded columns.

[0010] Preferably, the No. 1 connecting member is fixedly connected to the right inner wall of the mounting frame, and the No. 2 connecting member is fixedly connected to the upper inner wall of the mounting frame.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. By setting up the slitting mechanism, start the electric push rod to make the electric push rod push the movable arm to adjust the angle. During the adjustment of the movable arm, the electric push rod follows the angle adjustment, and the saw blade moves downward under the adjustment of the movable arm. Start the motor to make the motor drive the saw blade to rotate. When the saw blade contacts the ground, it will cut the ground. By setting up the dust curtain, dust can be prevented from contacting the feet of the staff. The whole equipment has a simple structure and low cost, which is suitable for small enterprises.

[0013] 2. By arranging a number of threaded columns on the base, interlacing and connecting the saw blades through the threaded columns, and then fixing and limiting the saw blades through a number of nuts, the convenience of installing and removing the saw blades can be improved, and the entire device does not need to be disassembled, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a seam cutting device for municipal road and bridge construction according to the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of a slitting mechanism of a slitting device for municipal road and bridge construction according to the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of a motor of a slitting device for municipal road and bridge construction according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the overall structure of a saw blade of a slitting device for municipal road and bridge construction.

[0018] In the figure: 1. frame; 2. wheel; 3. cutting mechanism; 4. dust curtain; 5. handle; 6. mounting frame; 31. movable arm; 32. motor; 33. saw blade; 34. raised part; 35. connecting piece No. 1; 36. connecting piece No. 2; 37. electric push rod; 38. connecting piece No. 3; 321. base; 322. threaded column; 323. nut; 331. mounting hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection 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.

[0022] See also Figure 1-4 , the utility model provides a technical solution:

[0023] A seam cutting device for municipal road and bridge construction comprises a frame 1, wherein wheels 2 are fixedly connected to the four corners of the lower end of the frame 1, a mounting frame 6 is inserted and fixedly connected to the upper end of the frame 1, the mounting frame 6 is a "U"-shaped structure, a seam cutting mechanism 3 is fixedly connected to the inner wall of the mounting frame 6, the middle part of the upper end of the frame 1 is a hollow structure, two handles 5 are fixedly connected to the upper right part of the frame 1, a dust curtain 4 is fixedly connected to the lower right part of the frame 1, the dust curtain 4 is located between the two wheels 2 at the lower right part of the frame 1, and the seam cutting mechanism 3 is not in contact with the frame 1.

[0024] In this embodiment, the slitting mechanism 3 includes a movable arm 31, a protrusion 34 is provided on the movable arm 31, a motor 32 is fixedly connected to the front end of the protrusion 34, a saw blade 33 is connected to the output end of the motor 32, the left end of the movable arm 31 is movably connected to a No. 3 connecting piece 38 through a rotating shaft, the right end of the movable arm 31 is movably connected to a No. 1 connecting piece 35 through a rotating shaft, the upper end of the No. 3 connecting piece 38 is fixedly connected to an electric push rod 37, and the upper end of the electric push rod 37 is movably connected to a No. 2 connecting piece 36 through a rotating shaft; the electric push rod 37, the No. 3 connecting piece 38 and the No. 1 connecting piece 35 are not in contact with the saw blade 33, and the saw blade 33 is located at the rear of the No. 1 connecting piece 35, the No. 3 connecting piece 38 and the electric push rod 37; the output end of the motor 32 is fixedly connected to a base 321, and a plurality of threaded columns 322 are fixedly connected to the rear end of the base 321, and nuts 323 are threadedly connected to the plurality of threaded columns 322.

[0025] In this embodiment, a plurality of mounting holes 331 are opened on the saw blade 33, and the plurality of mounting holes 331 are respectively and movably connected with a plurality of threaded columns 322; the No. 1 connecting member 35 is fixedly connected to the right inner wall of the mounting frame 6, and the No. 2 connecting member 36 is fixedly connected to the upper inner wall of the mounting frame 6.

[0026] It should be noted that the utility model is a seam cutting device for municipal road and bridge construction. During use, the entire device is moved to the position where the seam cutting is required, and the electric push rod 37 is started through the external control system to make the electric push rod 37 push the movable arm 31 to adjust the angle. During the angle adjustment of the movable arm 31, the electric push rod 37 follows the angle adjustment, and the saw blade 33 moves downward under the adjustment of the movable arm 31. At this time, the motor 32 is started to drive the saw blade 33 to rotate. When the saw blade 33 contacts the ground, it will cut the ground. By setting the dust curtain 4, dust can be prevented from contacting the feet of the staff. When the saw blade 33 needs to be disassembled and replaced, several nuts 323 are removed, and the limit on the saw blade 33 is released to remove it, thereby improving the convenience of installation and disassembly of the saw blade 33, and there is no need to disassemble the entire device, which is convenient for use.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A seam cutting device for municipal road and bridge construction, comprising a frame (1), characterized in that: The four corners of the lower end of the frame (1) are fixedly connected to wheels (2); the upper end of the frame (1) is interspersed and fixedly connected to a mounting frame (6); the mounting frame (6) is a "U"-shaped structure; the inner wall of the mounting frame (6) is fixedly connected to a slitting mechanism (3); the middle part of the upper end of the frame (1) is a hollow structure; the upper right end of the frame (1) is fixedly connected to two handles (5); the lower right end of the frame (1) is fixedly connected to a dust curtain (4); the dust curtain (4) is located between the two wheels (2) at the lower right end of the frame (1); and the slitting mechanism (3) is not in contact with the frame (1).

2. The cutting device for municipal road and bridge construction according to claim 1 is characterized in that: The slitting mechanism (3) comprises a movable arm (31), the movable arm (31) is provided with a protrusion (34), the front end of the protrusion (34) is fixedly connected to a motor (32), the output end of the motor (32) is connected to a saw blade (33), the left end of the movable arm (31) is movably connected to a third connecting member (38) via a rotating shaft, the right end of the movable arm (31) is movably connected to a first connecting member (35) via a rotating shaft, the upper end of the third connecting member (38) is fixedly connected to an electric push rod (37), and the upper end of the electric push rod (37) is movably connected to a second connecting member (36) via a rotating shaft.

3. The cutting device for municipal road and bridge construction according to claim 2 is characterized in that: The electric push rod (37), the third connecting piece (38) and the first connecting piece (35) are not in contact with the saw blade (33), and the saw blade (33) is located behind the first connecting piece (35), the third connecting piece (38) and the electric push rod (37).

4. The cutting device for municipal road and bridge construction according to claim 2 is characterized in that: The output end of the motor (32) is fixedly connected to a base (321), the rear end of the base (321) is fixedly connected to a plurality of threaded columns (322), and nuts (323) are threadedly connected to the plurality of threaded columns (322).

5. The cutting device for municipal road and bridge construction according to claim 2 is characterized in that: The saw blade (33) is provided with a plurality of mounting holes (331), and the plurality of mounting holes (331) are respectively interlaced and movably connected with a plurality of threaded columns (322).

6. The cutting device for municipal road and bridge construction according to claim 2 is characterized in that: The first connecting piece (35) is fixedly connected to the right inner wall of the mounting frame (6), and the second connecting piece (36) is fixedly connected to the upper inner wall of the mounting frame (6).

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