Pavement cutting device for highway construction

Abstract

The utility model relates to the technical field of road surface cutting, and discloses a road surface cutting device for road construction, which comprises a cutting machine frame internally provided with a diesel engine and is used for driving a saw blade rotationally arranged on the cutting machine frame, and the diesel engine drives the saw blade to cut a road surface. And universal wheels are arranged on the lower end face of the cutting machine frame and used for moving the cutting machine frame, so that the saw blade can form continuous cutting, and a rod piece with the length capable of being adjusted in a telescopic mode is arranged on one side edge of the cutting machine frame. According to the round size of a road surface needing to be cut, the core rod is pulled out, the size is determined according to scales on the outer wall of the core rod, then the position of the core rod is fastened by manually screwing the fastening bolt, then the lower end face of the fixed disc is attached to the ground, and the fixed disc is fixed by penetrating a cement nail through a cement nail hole. And then the cutting machine frame is pushed for cutting, so that the device can smoothly perform circular cutting, more convenience is achieved, and the adjustable precision of the radius capable of being processed is high.

Description

Technical Field

[0001] The utility model relates to the technical field of highway pavement cutting, in particular to a pavement cutting device for highway construction. Background Art

[0002] The road cutting machine uses a special saw blade to cut the road surface to help repair and maintain the road surface. Some road maintenance requires circular cutting, which is usually done manually. The cut circle is irregular, affecting the cutting efficiency, so this case was filed. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a road surface cutting device for highway construction is provided, which solves the above problems.

[0004] The utility model solves the technical problem by adopting the following technical solutions:

[0005] A road surface cutting device for highway construction comprises a cutting machine frame with a diesel engine inside for driving and rotating a saw blade arranged on the cutting machine frame, the diesel engine drives the saw blade to cut the road surface, and a universal wheel is provided on the lower end surface of the cutting machine frame for moving the cutting machine frame, so that the saw blade can form continuous cutting, and a telescopic rod with adjustable length is provided on one side of the cutting machine frame, and a fixing plate is provided at the end of the rod for fixing on the ground to limit the moving radius of the cutting machine frame, so that the cutting machine frame can be pushed under the restriction of the rod to form a closed circular cutting, and the radius of the cutting circle can be adjusted.

[0006] Preferably, a vehicle side articulated frame is welded and fixed on the cutting machine frame, a sleeve is hingedly provided on the vehicle side articulated frame, a core rod is telescopically inserted in the sleeve, and an articulated swivel is hingedly provided at the end of the core rod, a fixed plate with a cement nail hole is rotatably provided at the end of the articulated swivel, and the cement nails pass through the cement nail holes to fix the fixed plate on the road surface, and a hand-tightened fastening bolt is threadedly connected to the upper end of the sleeve for locking the position of the core rod after tightening.

[0007] Preferably, a size scale is provided on the outer wall surface of the core rod by gluing or laser engraving to display the radius of the cutting circle.

[0008] Preferably, a slot for inserting a plug plate to limit the rotation of the sleeve is provided on the vehicle side articulated frame, and after the plug plate is inserted into the slot, the sleeve is placed in an upright storage state.

[0009] Preferably, a rubber gasket is fixedly provided on the lower end surface of the fixed plate to filter and absorb the vibration generated when the saw blade is cutting, thereby improving the stability of the fixed plate fixed to the ground.

[0010] The advantages and positive effects of the utility model are as follows: according to the circular size of the road surface to be cut, the core rod is pulled out and the size is determined according to the scale on its outer wall, and then the position of the core rod is tightened by the hand-tightening bolts, and then the lower end surface of the fixed plate is made to fit the ground and the fixed plate is fixed by passing cement nails through the cement nail holes, and then the cutting machine frame is pushed to cut, so that the device can smoothly perform circular cutting, which is more convenient, and the radius adjustment that can be handled is high in accuracy and has a large range. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the utility model.

[0014] The markings in the accompanying drawings are described as follows: 10, cutting machine frame; 11, saw blade; 12, universal wheel; 13, diesel engine; 14, vehicle side articulated frame; 15, slot; 16, plug plate; 17, sleeve; 18, hand-tightened fastening bolts; 19, core rod; 20, fixed plate; 21, cement nail hole; 22, articulated swivel head. DETAILED DESCRIPTION

[0015] Now, the utility model is further described in detail in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model. The following is a further detailed description of the embodiments of the utility model in conjunction with the accompanying drawings:

[0016] like Figure 1-2As shown, the road surface cutting device for highway construction described in the utility model includes a cutting machine frame 10 with a diesel engine 13 inside, which is used to drive and rotate a saw blade 11 set on the cutting machine frame 10, and the diesel engine 13 drives the saw blade 11 to cut the road surface, and a universal wheel 12 is provided on the lower end surface of the cutting machine frame 10 for moving the cutting machine frame 10, so that the saw blade 11 can form continuous cutting, and a telescopic rod with adjustable length is provided on one side of the cutting machine frame 10, and a fixed plate is provided at the end of the rod for fixing on the ground to limit the moving radius of the cutting machine frame 10, so that the cutting machine frame 10 can form a closed circular cutting by pushing the cutting machine frame 10 under the restriction of the rod, and the radius of the cutting circle can be adjusted.

[0017] Preferably, a vehicle side articulated frame 14 is welded and fixed on the cutting machine frame 10, a sleeve 17 is hingedly provided on the vehicle side articulated frame 14, a core rod 19 is telescopically inserted in the sleeve 17, and an articulated swivel 22 is hingedly provided at the end of the core rod 19, a fixed plate 20 with a cement nail hole 21 is rotatably provided at the end of the articulated swivel 22, and the cement nail passes through the cement nail hole 21 to fix the fixed plate 20 on the road surface, and a hand-tightened fastening bolt 18 is threadedly connected to the upper end of the sleeve 17 for locking the position of the core rod 19 after tightening.

[0018] Preferably, a size scale is provided on the outer wall surface of the core rod 19 by gluing or laser engraving to display the radius of the cutting circle.

[0019] Preferably, a slot 15 for inserting a plug plate 16 to limit the rotation of the sleeve 17 is provided on the vehicle side articulated frame 14. After the plug plate 16 is inserted into the slot 15, the sleeve 17 is in an upright storage state.

[0020] Preferably, a rubber gasket is fixedly provided on the lower end surface of the fixed plate 20 to filter and absorb the vibration generated when the saw blade 11 is cutting, thereby improving the stability of the fixed plate 20 fixed to the ground.

[0021] During specific implementation, according to the circular size of the road surface to be cut, the core rod 19 is pulled out and the size is determined according to the scale on its outer wall, and then the position of the core rod 19 is tightened by the hand-tightening bolts 18, and then the lower end surface of the fixed plate 20 is made to fit the ground and the fixed plate 20 is fixed by passing cement nails through the cement nail holes 21, and then the cutting machine frame 10 is pushed to cut, so that the device can smoothly perform circular cutting, which is more convenient and can handle high radius adjustment accuracy and a large range.

[0022] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A road surface cutting device for highway construction, comprising a cutting machine frame (10) having a diesel engine (13) therein for driving and rotating a saw blade (11) disposed on the cutting machine frame (10), wherein the diesel engine (13) drives the saw blade (11) to cut the road surface, and a universal wheel (12) is disposed on the lower end surface of the cutting machine frame (10) for moving the cutting machine frame (10), thereby enabling the saw blade (11) to perform continuous cutting, characterized in that: A rod member with a retractable length adjustment is provided on one side of the cutting machine frame (10), and a fixing plate is provided at the end of the rod member for fixing on the ground to limit the moving radius of the cutting machine frame (10), so that the cutting machine frame (10) can be pushed under the restriction of the rod member so that the cutting machine frame (10) forms a closed circular cut, and the radius of the cutting circle can be adjusted.

2. The road surface cutting device for highway construction according to claim 1, characterized in that: A vehicle side articulated frame (14) is welded and fixedly provided on the cutting machine frame (10), a sleeve (17) is hingedly provided on the vehicle side articulated frame (14), a core rod (19) is telescopically inserted in the sleeve (17), and an articulated rotating head (22) is hingedly provided at the end of the core rod (19), a fixed plate (20) with a cement nail hole (21) is rotatably provided at the end of the articulated rotating head (22), and the cement nail passes through the cement nail hole (21) to fix the fixed plate (20) on the road surface, and a hand-tightened fastening bolt (18) is threadedly connected to the upper end of the sleeve (17) for locking the position of the core rod (19) after tightening.

3. The road surface cutting device for highway construction according to claim 2, characterized in that: The outer wall surface of the core rod (19) is provided with a size scale by gluing or laser engraving to display the radius of the cut circle.

4. The road surface cutting device for highway construction according to claim 3, characterized in that: A slot (15) is provided on the vehicle side articulated frame (14) for inserting a plug plate (16) to thereby limit the rotation of the sleeve (17); after the plug plate (16) is inserted into the slot (15), the sleeve (17) is placed in an upright storage state.

5. The road surface cutting device for highway construction according to claim 4, characterized in that: A rubber gasket is fixedly provided on the lower end surface of the fixed plate (20) for filtering and absorbing vibrations generated when the saw blade (11) is cutting, thereby improving the stability of the fixed plate (20) being fixed to the ground.

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