A road cutting machine with adjustable saw blade angle

Abstract

This utility model relates to the field of road cutting machine technology, specifically a road cutting machine with adjustable saw blade angle. It includes a cutting machine body, an adjusting screw, an adjusting rod, and a front wheel. A through groove is formed on the rear bottom side of the cutting machine body. An installation block is inserted into the inner wall of the through groove. Two insert rods are inserted into the middle of the installation block. Multiple slots are formed on both the left and right sides of the lower part of the adjusting rod. Sliding grooves are formed on both the left and right sides inside the installation block. Limiting plates are slidably connected to the inner walls of the sliding grooves. Springs are installed on the opposite sides of the limiting plates on both the left and right sides. When the adjusting screw is rotated to move the adjusting rod up and down, the position of the adjusted rod is locked and fixed by the cooperation structure between the insert rod and the slot, preventing the adjusting rod from accidentally moving downwards due to the screw rotation, thus causing angle adjustment failure and improving the use effect and performance stability of the road cutting machine.

Description

Technical Field

[0001] This utility model relates to the field of road cutting machine technology, and more specifically, to a road cutting machine with an adjustable saw blade angle. Background Technology

[0002] With the acceleration of urbanization and the continuous advancement of infrastructure construction, road construction and maintenance work is becoming more frequent and demanding. In the process of road construction and maintenance, road cutting machines, as an important construction equipment, are widely used in the cutting of cement or asphalt pavements such as various roads and squares. This ensures that the road surface can expand and contract normally under different environmental conditions when cutting expansion joints and expansion joints, and prevents road surface damage caused by thermal expansion and contraction.

[0003] Traditional road cutting machines, due to their fixed structure, cannot adjust the saw blade angle, making them unsuitable for use with expansion joints of varying depths, thus affecting their adaptability. While existing road cutting devices can adjust the front wheel relative to the machine body to change the angle between the saw blade and the road surface to accommodate different cutting depths, the complex and ever-changing environment after adjustment makes the road cutting machine susceptible to various external forces during operation. Furthermore, the lack of a corresponding locking mechanism can easily lead to angle adjustment failure due to the rotation of the threaded rod, ultimately affecting the performance and construction quality of the road cutting machine. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, this utility model provides a road cutting machine with adjustable saw blade angle, so as to solve the problem that the lack of a corresponding locking mechanism in the prior art makes it easy for the angle adjustment to fail due to the rotation of the threaded rod, which in turn affects the use effect and construction quality of the road cutting machine.

[0005] To solve the above technical problems, this utility model provides the following technical solution: a road cutting machine with adjustable saw blade angle, including a cutting machine body, an adjusting screw, an adjusting rod and a front wheel. A through groove is opened on the bottom rear side of the cutting machine body. An installation block is inserted into the inner wall of the through groove. Two insert rods are inserted into the middle of the installation block. Multiple slots are opened on the lower left and right sides of the adjusting rod.

[0006] The mounting block has sliding grooves on both the left and right sides inside, and the inner walls of the sliding grooves are slidably connected to limit plates. Springs are installed on the opposite sides of the limit plates on both the left and right sides.

[0007] The springs on both the left and right sides are installed between opposite ends and the inner wall of the slide groove, and the limiting plates on both the left and right sides are installed between adjacent ends and the insertion rod.

[0008] The mounting block has oil storage tanks on both the front and rear sides, sponge blocks installed on the inner walls of the oil storage tanks, an oil injection hole on the top of the oil storage tanks, a cap inserted into the inner wall of the oil injection hole, a rubber ring installed on the lower outer side of the cap, fixing bolts inserted into the four corners of the mounting block, and multiple threaded holes on the rear of the cutting machine body.

[0009] The sponge blocks on both the front and rear sides penetrate the mounting block on their adjacent sides and fit against the lower outer side of the adjusting rod. The rubber ring is engaged with the inner wall of the oil injection hole and is subjected to squeezing and deformation.

[0010] The upper part of the fixing bolt is threaded to the inner wall of the threaded hole.

[0011] The adjacent ends of the plugs on both the left and right sides penetrate the mounting block and are inserted into the inner walls of two of the slots.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In the above solution, when the adjusting rod moves up and down by rotating the adjusting screw, the position of the adjusting rod after adjustment is locked and fixed by the cooperation structure of the insert rod and the slot, which prevents the adjusting rod from accidentally moving down due to the rotation of the screw rod and causing the angle adjustment to fail, thereby improving the use effect and performance stability of the road cutting machine. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the adjusting rod structure of this utility model;

[0016] Figure 3 This is a partial right view of the present invention;

[0017] Figure 4 for Figure 3 Cross-sectional view of part of the structure at point AA;

[0018] Figure 5 for Figure 4 Enlarged view of the structure at point B in the middle;

[0019] Figure 6 This is a schematic diagram of the threaded hole structure of this utility model;

[0020] Figure 7 This is a front view of the mounting block of this utility model;

[0021] Figure 8 for Figure 7 Cross-sectional view of the structure at point CC.

[0022] [Figure Labels]

[0023] 1. Cutting machine body; 2. Adjusting screw; 3. Adjusting rod; 4. Front wheel; 5. Mounting block; 6. Slot; 7. Insert rod; 8. Limiting plate; 9. Slide groove; 10. Spring; 11. Threaded hole; 12. Through groove; 13. Fixing bolt; 14. Oil injection hole; 15. Oil reservoir; 16. Cover; 17. Rubber ring; 18. Sponge block. Detailed Implementation

[0024] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0025] Example 1: Please refer to Figures 1 to 8 This utility model provides a technical solution: a road cutting machine with an adjustable saw blade angle, including a cutting machine body 1, an adjusting screw 2, an adjusting rod 3, and a front wheel 4. A through groove 12 is provided on the rear bottom side of the cutting machine body 1. An installation block 5 is inserted into the inner wall of the through groove 12. Two insert rods 7 are inserted into the middle of the installation block 5. Multiple slots 6 are provided on the lower left and right sides of the adjusting rod 3. The near ends of the insert rods 7 on the left and right sides pass through the installation block 5 and are inserted into the inner wall of two of the slots 6. Thus, the position of the adjusting rod 3 is locked by the cooperation between the insert rods 7 and the slots 6.

[0026] When in use, first rotate the adjusting screw 2 to move the adjusting rod 3 up and down to adjust the position of the front wheel 4. When the adjusting rod 3 moves, it will push the insert rod 7 to gradually retract to the inner wall of the mounting block 5. During the adjustment process of the adjusting rod 3, the insert rod 7 will be inserted into the slot 6 one by one. After the adjustment is completed, the insert rod 7 will be inserted into the inner wall of the corresponding slot 6, thereby restricting the position of the adjusting rod 3 after adjustment.

[0027] Example 2: Based on Example 1, in order to ensure that the push rod 7 is always inserted into the slot 6, the mounting block 5 has sliding grooves 9 on both the left and right sides. The inner wall of the sliding groove 9 is slidably connected to the limiting plate 8. Springs 10 are installed on the opposite sides of the left and right limiting plates 8. The opposite ends of the left and right springs 10 are installed between the inner walls of the sliding grooves 9, and the adjacent sides of the left and right limiting plates 8 are installed between the push rod 7. Thus, the elastic force of the springs 10 pushes one end of the push rod 7 to always be inserted into the slot 6, thereby improving the locking effect.

[0028] When the adjusting rod 3 moves, it pushes the insert rod 7 to gradually retract to the inner wall of the slide groove 9, and drives the limiting plate 8 to push against the spring 10, so that the spring 10 is in a compressed state on the inner wall of the slide groove 9. During the adjustment of the adjusting rod 3, the insert rod 7 will be inserted into the slot 6 one by one. After the adjustment is completed, it will be pushed by the elastic force of the spring 10, and the limiting plate 8 will be reset along the inner wall of the slide groove 9, and drive the insert rod 7 to be inserted into the inner wall of the corresponding slot 6, thereby restricting the position of the adjusting rod 3 after adjustment, preventing it from being displaced and affecting the angle of the front wheel 4.

[0029] Example 3: Based on Example 2, in order to increase the lubrication between the adjusting rod 3 and the mounting block 5 and to facilitate the subsequent removal of the mounting block 5, oil storage grooves 15 are provided on both the front and rear sides of the interior of the mounting block 5. Sponge blocks 18 are installed on the inner walls of the oil storage grooves 15, and oil injection holes 14 are provided on the top of the oil storage grooves 15. A cover 16 is inserted into the inner wall of the oil injection hole 14, and a rubber ring 17 is installed on the lower outer side of the cover 16. Fixing bolts 13 are inserted into the four corners of the mounting block 5, and multiple screws are provided at the rear of the cutting machine body 1. The mounting block 5 is penetrated by the pore 11 and the adjacent side of the front and rear sponge blocks 18, and is attached to the lower outer side of the adjusting rod 3, so that the lubricating oil is evenly coated on the outer side of the adjusting rod 3 through the sponge blocks 18. The rubber ring 17 is snapped into the inner wall of the oil injection hole 14 and is squeezed and deformed, so that the sealing cover 16 can be pulled upward to drive the rubber ring 17 out of the oil injection hole 14 so as to inject oil into the oil reservoir 15. The upper thread of the fixing bolt 13 is connected to the inner wall of the threaded hole 11, so as to facilitate the removal of the mounting block 5.

[0030] As the adjusting rod 3 moves up and down along the inner wall of the mounting block 5, oil reservoirs 15 are provided on both the front and rear sides of the mounting block 5. The sponge block 18 absorbs the lubricating oil from the oil reservoirs 15 and evenly coats it onto the outside of the adjusting rod 3, thereby increasing the lubrication between the adjusting rod 3 and the mounting block 5. When additional lubricating oil is needed, the cap 16 is pulled upwards, causing the rubber ring 17 to disengage from the oil injection hole 14. Lubricating oil can then be added to the oil reservoir 15. After completion, the cap 16 is reset, and the rubber ring 17 is pushed against the inner wall of the oil injection hole 14 to deform, thereby increasing... The friction between the cover 16 and the oil filling hole 14 is used for subsequent lubrication. When it is necessary to remove the mounting block 5, the connecting piece between the adjusting rod 3 and the front wheel 4 is removed. Then, the fixing bolts 13 are unscrewed one by one and disengaged from the threaded hole 11. At this time, the mounting block 5 can be taken down and removed from the through groove 12. Conversely, during installation, the mounting block 5 is placed on the lower outer side of the adjusting rod 3 and inserted into the inner wall of the through groove 12. At the same time, the fixing bolts 13 are threaded through one corner of the mounting block 5 and screwed between it and the threaded hole 11, thereby fitting the mounting block 5 with the cutting machine body 1.

[0031] The working process of this utility model is as follows:

[0032] In use, first rotate the adjusting screw 2 to move the adjusting rod 3 up and down to adjust the position of the front wheel 4. When the adjusting rod 3 moves, it will push the insert rod 7 to gradually retract to the inner wall of the slide groove 9, and drive the limiting plate 8 to push the spring 10, so that the spring 10 is in a compressed state on the inner wall of the slide groove 9. During the adjustment of the adjusting rod 3, the insert rod 7 will be inserted into the slot 6 one by one. After the adjustment is completed, the limiting plate 8 will be pushed by the elastic force of the spring 10 to reset along the inner wall of the slide groove 9, and drive the insert rod 7 to insert into the inner wall of the corresponding slot 6, thereby restricting the position of the adjusting rod 3 after adjustment and preventing it from shifting and affecting the angle of the front wheel 4.

[0033] As the adjusting rod 3 moves up and down along the inner wall of the mounting block 5, oil reservoirs 15 are provided on both the front and rear sides of the mounting block 5. The sponge block 18 absorbs the lubricating oil from the oil reservoirs 15 and evenly coats it onto the outside of the adjusting rod 3, thereby increasing the lubrication between the adjusting rod 3 and the mounting block 5. When additional lubricating oil is needed, the cap 16 is pulled upwards, causing the rubber ring 17 to disengage from the oil injection hole 14. Lubricating oil can then be added to the oil reservoir 15. After completion, the cap 16 is reset, and the rubber ring 17 is pushed against the inner wall of the oil injection hole 14 to deform, thereby increasing... The friction between the cover 16 and the oil filling hole 14 is used for subsequent lubrication. When it is necessary to remove the mounting block 5, the connecting piece between the adjusting rod 3 and the front wheel 4 is removed. Then, the fixing bolts 13 are unscrewed one by one and disengaged from the threaded hole 11. At this time, the mounting block 5 can be taken down and removed from the through groove 12. Conversely, during installation, the mounting block 5 is placed on the lower outer side of the adjusting rod 3 and inserted into the inner wall of the through groove 12. At the same time, the fixing bolts 13 are threaded through one corner of the mounting block 5 and screwed between it and the threaded hole 11, thereby fitting the mounting block 5 with the cutting machine body 1.

[0034] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0035] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A road cutting machine with an adjustable saw blade angle, characterized in that, The machine includes a cutting machine body (1), an adjusting screw (2), an adjusting rod (3) and a front wheel (4). The bottom rear side of the cutting machine body (1) has a through groove (12). An installation block (5) is inserted into the inner wall of the through groove (12). Two insert rods (7) are inserted into the middle of the installation block (5). Multiple slots (6) are opened on the lower left and right sides of the adjusting rod (3).

2. The road cutting machine with adjustable saw blade angle according to claim 1, characterized in that, The mounting block (5) has sliding grooves (9) on both the left and right sides inside. The inner wall of the sliding groove (9) is slidably connected to a limiting plate (8). Springs (10) are installed on the opposite sides of the limiting plates (8) on both the left and right sides.

3. The road cutting machine with adjustable saw blade angle according to claim 2, characterized in that, The opposite ends of the springs (10) on the left and right sides are installed between the inner walls of the slide groove (9), and the adjacent sides of the limiting plates (8) on the left and right sides are installed between the insert rod (7).

4. The road cutting machine with adjustable saw blade angle according to claim 1, characterized in that, The mounting block (5) has oil storage tanks (15) on both the front and rear sides inside. The inner wall of the oil storage tank (15) is fitted with a sponge block (18). The top of the oil storage tank (15) has an oil injection hole (14). The inner wall of the oil injection hole (14) is fitted with a cap (16). The lower outer side of the cap (16) is fitted with a rubber ring (17). The four corners of the mounting block (5) are fitted with fixing bolts (13). The rear of the cutting machine body (1) has multiple threaded holes (11).

5. The road cutting machine with adjustable saw blade angle according to claim 4, characterized in that, The sponge blocks (18) on the front and rear sides are connected to the mounting block (5) on the same side and are attached to the lower outer side of the adjusting rod (3). The rubber ring (17) is engaged with the inner wall of the oil injection hole (14) and is squeezed and deformed.

6. The road cutting machine with adjustable saw blade angle according to claim 4, characterized in that, The upper part of the fixing bolt (13) is threaded to the inner wall of the threaded hole (11).

7. The road cutting machine with adjustable saw blade angle according to claim 1, characterized in that, The adjacent ends of the plugs (7) on the left and right sides pass through the mounting block (5) and are inserted into the inner walls of two of the slots (6).

Images