Sidewalk structural joint cutting device

Abstract

The utility model relates to the technical field of road construction, in particular to a sidewalk structural joint cutting device which comprises a guide rod, the guide rod is provided with a guide groove extending in the length direction of the guide rod, the guide groove penetrates through the upper side and the lower side of the guide rod, and the middle section of the guide groove is provided with a guide rib protruding inwards; the cutting wheel assembly comprises a mounting frame, a cutting wheel rotationally mounted on the mounting frame, and an operating rod connected to the mounting frame; the cutting wheel can penetrate through the guide groove from one side of the guide rod and then extend to the other side of the guide rod. According to the utility model, the cutting of the cutting wheel can be more accurately guided, the cutting quality is easy to control, and the existing problems are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of road construction technology, and in particular to a sidewalk structural joint cutting device. Background Technology

[0002] In some pedestrian pavement construction projects, asphalt or plastic elastomeric materials are often used as surface materials. During construction, structural joints need to be cut into the pavement surface to accommodate deformation under heat or cold. Currently, for this type of pavement construction, applicants often manually push a cutting blade (with a blade welded to the end of a long-handled operating rod) to carve grooves into the pavement before the surface has hardened (it is still roughly plastic). During construction, controlling the direction of the cutting blade is difficult, making it hard to control the quality of operation. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a sidewalk structural joint cutting device that can more accurately guide the cutting wheel, easily control the cutting quality, and effectively solve the existing problems.

[0004] To address the aforementioned problems, this utility model provides a sidewalk structural joint cutting device, comprising: a guide rod having a guide groove extending along its length, the guide groove penetrating both the upper and lower sides of the guide rod, and a protruding guide rib in the middle section of the guide groove; and a cutting wheel assembly including a mounting frame, a cutting wheel rotatably mounted on the mounting frame, and an operating rod connected to the mounting frame; the cutting wheel is capable of passing through the guide groove from one side of the guide rod and extending to the other side of the guide rod.

[0005] Furthermore, the guide rod includes two sub-rods, and the guide groove is formed between the two sub-rods; the two sub-rods are configured to be detachably connected.

[0006] Furthermore, one end of the guide rod forms a fixed end and the other end forms a positioning end; the two sub-rods are provided with a fixing sleeve on one side of the fixed end, and the two sub-rods are interference-fitted into the fixing sleeve; the two sub-rods are formed with positioning grooves at the positioning ends, the width of the positioning grooves is greater than the width of the guide grooves, and the slit cutting device also includes a positioning base, the positioning base including a base plate, a positioning outer protrusion that can be inserted into the positioning groove, and a positioning inner protrusion that abuts against the outside of the sub-rods, the base plate extending to the outside of the sub-rods to form a pressing part.

[0007] Furthermore, the slit cutting device also includes a fixing bolt and a T-shaped plate. The horizontal plate of the T-shaped plate abuts against the top of the two sub-rods, and the vertical plate is inserted between the two sub-rods. The fixing bolt is located at one end of the positioning groove facing the fixing end, passes horizontally through the two sub-rods and the vertical plate of the T-shaped plate, and then fixes the two sub-rods.

[0008] Furthermore, the guide rib is integrally formed with the sub-rod body.

[0009] Furthermore, the segmented rod body includes two sub-segments, which are inserted into each other.

[0010] Furthermore, the sub-segment is configured as an aluminum alloy frame sub-segment or a steel sub-segment, and the thickness of the top wall, bottom wall, and side wall away from the guide rib of the sub-segment is greater than or equal to 3mm; the sub-segment protrudes outward from the side wall of the guide rib to form the guide rib, and the thickness of the guide rib is greater than or equal to 1mm and less than or equal to 5mm, and the thickness of the sub-segment at the guide rib is less than the thickness of the sub-segment at other locations.

[0011] Furthermore, the cross-section of the guide rib is set in an arc shape.

[0012] Furthermore, the inner sidewall of the guide rod is integrally formed into the guide rib.

[0013] Furthermore, the mounting bracket includes: a connecting shaft, the middle of which is connected to the cutting wheel, and the length of the connecting shaft is greater than or equal to 35cm; and a U-shaped frame, the two ends of which are respectively connected to the opening of the U-shaped frame, and the U-shaped frame is connected to the operating lever.

[0014] The beneficial effects of this invention are that it can guide the cutting wheel more precisely, make it easier to control the cutting quality, and effectively solve the existing problems. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0016] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0017] Figure 2 for Figure 1 The illustrated embodiment is a partial lateral cross-sectional view of the cutting wheel.

[0018] Figure 3 for Figure 1A magnified schematic diagram of the structure at point A in the middle.

[0019] Figure 4 For another embodiment of this utility model, see reference. Figure 2 A schematic diagram of the structure of the viewpoint.

[0020] The components include: 1. Guide groove; 2. Sub-rod body; 201. Guide rib; 202. Sub-rod segment; 3. Mounting bracket; 301. Connecting shaft; 302. U-shaped frame; 4. Cutting wheel; 5. Operating lever; 6. Fixing sleeve; 7. Positioning groove; 8. Positioning base; 801. Base plate; 802. Positioning outer protrusion; 803. Positioning inner protrusion; 804. Pressing part; 9. Fixing bolt; 10. T-shaped plate. Detailed Implementation

[0021] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0022] It should be noted that many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0023] Furthermore, it should be understood in the description of this utility model that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies at the connection point are not connected by an intermediate structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0025] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0026] In this utility model, such as Figures 1 to 4 As shown, a sidewalk structural joint cutting device is provided, comprising: a guide rod, wherein the guide rod is provided with a guide groove 1 extending along its length direction, the guide groove 1 passing through the upper and lower sides of the guide rod, and the middle section of the guide groove 1 is provided with an inwardly protruding guide rib 201; and a cutting wheel 4 assembly, including a mounting frame 3, a cutting wheel 4 rotatably mounted on the mounting frame 3, and an operating rod 5 connected to the mounting frame 3; the cutting wheel 4 can pass through the guide groove 1 from one side of the guide rod and extend to the other side of the guide rod.

[0027] When using the cutting device of this utility model, the guide rod is placed on the road surface to be cut, and then the cutting wheel 4 is placed at one end of the guide groove 1 so that the bottom of the cutting wheel 4 passes through the guide groove 1 and contacts the road surface. Then, the cutting wheel 4 is dragged in the guide groove 1 by the operating rod 5 to cut the road surface.

[0028] The cutting device of this invention guides the movement of the cutting wheel 4 through the guide groove 1, which facilitates control of the direction of the cutting wheel 4 and makes it easy to control the cutting quality. Furthermore, by setting the guide rib 201, the contact area between the side wall of the guide groove 1 and the cutting wheel 4 can be reduced. This maintains the constraint effect of the guide rib 201 on the cutting wheel 4, reduces the rotational resistance of the groove wall of the guide groove 1 on the cutting wheel 4, and also reduces movement deviation caused by a large contact area between the side wall of the guide groove 1 and the cutting wheel 4. In addition, this invention uses the cutting wheel 4 as the cutting component, which can achieve moving cutting by utilizing the rolling of the cutting wheel 4, thereby reducing the occurrence of sudden changes in cutting depth and irregular cutting kerf caused by cutting jams.

[0029] In the illustrated embodiment, a further optimization of this utility model is that the guide rod includes two sub-rods 2, and the guide groove 1 is formed between the two sub-rods 2; the two sub-rods 2 are configured to be detachably connected.

[0030] As shown in the figure, by setting the guide rod in the form of two separate rods 2, the two separate rods 2 can be separated when it is necessary to clean the inner wall of the guide groove 1, so as to facilitate the cleaning operation.

[0031] In the illustrated embodiment, to further specify the present invention, one end of the guide rod forms a fixed end and the other end forms a positioning end; the two sub-rods 2 are provided with a fixing sleeve 6 on one side of the fixed end, and the two sub-rods 2 are interference-fitted into the fixing sleeve 6; the two sub-rods 2 are formed with a positioning groove 7 at the positioning end, the width of the positioning groove 7 is greater than the width of the guide groove 1, the slit cutting device also includes a positioning base 8, the positioning base 8 includes a base plate 801, a positioning outer protrusion 802 that can be inserted into the positioning groove 7, and a positioning inner protrusion 803 that abuts against the outside of the sub-rod 2, the base plate 801 extends to the outside of the sub-rod 2 to form a pressing part 804.

[0032] As shown in the figure, during use, simply insert one end of each of the two branch rods 2 into the fixing sleeve 6 to fix the branch rods 2 in position within the fixing sleeve 6. Then, place the positioning base 8 on one side of the road surface corresponding to the location to be cut, and place the branch rods 2 corresponding to the positioning grooves 7 at the positioning outer protrusion 802 and positioning inner protrusion 803 of the positioning base 8 to determine the position of the guide rod. At this point, the positioning base 8 can be kept fixed by the operator standing on the holding part 804, by using heavy objects such as bricks to hold the holding part 804 in place, or by fixing the holding part 804 to the ground with bolts, thus maintaining the stability of the guide rod.

[0033] In the illustrated embodiment, to further specify the present invention, the slit cutting device further includes a fixing bolt 9 and a T-shaped plate 10. The horizontal plate of the T-shaped plate 10 abuts against the top of the two branch rods 2, and the vertical plate is inserted between the two branch rods 2. The fixing bolt 9 is located at one end of the positioning groove 7 facing the fixed end, and passes laterally through the two branch rods 2 and the vertical plate of the T-shaped plate 10 to fix the two branch rods 2.

[0034] As shown in the figure, by setting a T-shaped plate 10, the top surfaces of the two sub-rods 2 at the positioning end of the guide rod can be roughly flush. The two sub-rods 2 are tightened and fixed to the vertical plate of the T-shaped plate 10 by fixing bolts 9. In this way, the shape of the two sub-rods 2 at the positioning groove 7 can be stabilized, so as to further maintain the stability of the positioning base 8 in positioning the guide rod.

[0035] In the illustrated embodiment, a further optimization of this utility model is that the guide rib 201 is integrally formed with the branch rod 2.

[0036] In the illustrated embodiment, a further optimization of this invention is that the branch pole 2 includes two sub-pole segments 202, which are inserted into each other. As shown in the figure, by setting the branch pole 2 as two sub-pole segments 202, the length of the branch pole 2 can be easily adjusted, facilitating the storage and movement of the guide pole, and allowing for easy adjustment of the guide pole's length according to the width of the road surface to be cut. Moreover, when storing and transporting the guide pole, the two sub-pole segments 202 can be inserted together, thereby enhancing the combined strength of the two sub-pole segments 202 and preventing the branch pole 2 from being bent or deformed by external forces in this state.

[0037] In the illustrated embodiment, a further optimization of this utility model is that the sub-segment is configured as an aluminum alloy frame-shaped sub-segment or a steel sub-segment, and the thickness of the top wall, bottom wall, and side wall away from the guide rib 201 of the sub-segment 202 is greater than or equal to 3mm; the sub-segment protrudes outward from the side wall of the guide rib 201 to form the guide rib 201, the thickness of the guide rib 201 is greater than or equal to 1mm and less than or equal to 5mm, and the thickness of the sub-segment at the guide rib 201 is less than the thickness of the sub-segment at other locations.

[0038] As shown in the figure, by using a frame-shaped sub-segment 202, the strength of the sub-segment can be increased, and it is also convenient to achieve the insertion fit between two sub-segments. By controlling the thickness of the sidewall of the sub-segment 202, the structural strength of the sub-segment can be maintained, and the thickness of the guide rib 201 can also be controlled, thereby reducing the difference in the gap width between the guide ribs 201 at different sub-segment positions, so as to further maintain the guiding effect on the cutting wheel 4.

[0039] In the illustrated embodiment, a further optimization of the present invention is that the cross-section of the guide rib 201 is set in an arc shape.

[0040] In the illustrated embodiment, a further optimization of the present invention is that the inner sidewall of the guide rod is integrally formed as the guide rib 201.

[0041] Alternatively, in optional embodiments, it may also be as follows: Figure 4 As shown, guide ribs 201 are formed only in the local bulges on the inner sidewall of the guide rod.

[0042] In the illustrated embodiment, to further specifically describe the present invention, the mounting bracket 3 includes: a connecting shaft 301, the middle part of which is connected to the cutting wheel 4, and the length of the connecting shaft 301 is greater than or equal to 35cm; and a U-shaped frame 302, the two ends of which are respectively connected to the opening positions of the U-shaped frame 302, and the U-shaped frame 302 is connected to the operating lever 5.

[0043] As shown in the figure, by controlling the length of the connecting shaft 301, the cutting wheel 4 can move vertically significantly at the outer end of the connecting shaft 301 with a slight tilt during cutting. This makes it easier for the operator to observe the degree of tilt of the cutting wheel 4 during the cutting process, thus further facilitating the operation.

[0044] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0045] The above description is merely an embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

Claims

1. A sidewalk structure joint cutting apparatus, comprising: The application relates to a cutting device for cutting a seam, which comprises a guide rod provided with a guide groove extending along the length direction of the guide rod, the guide groove penetrating through the upper and lower sides of the guide rod, and a middle section of the guide groove being provided with an inner convex guide rib; a cutting wheel assembly comprising a mounting frame, a rotatable cutting wheel mounted on the mounting frame, and an operating rod connected to the mounting frame; the cutting wheel can extend to the other side of the guide rod after penetrating through the guide groove from one side of the guide rod. The guide rod comprises two sub-rod bodies, and the guide groove is formed between the two sub-rod bodies. The two sub-rod bodies are detachably connected. One end of the guide rod forms a fixed end, and the other end forms a positioning end.

2. A sidewalk structure joint cutting apparatus according to claim 1, wherein, The two sub-rod bodies are provided with a fixed sleeve on the side of the fixed end, and the two sub-rod bodies are inserted into the fixed sleeve in an interference fit. The two sub-rod bodies are provided with a positioning groove at the positioning end, the width of the positioning groove is greater than the width of the guide groove, the cutting device further comprises a positioning base, the positioning base comprises a bottom plate, a positioning outer protrusion capable of being inserted into the positioning groove, and a positioning inner protrusion abutting the outer side of the sub-rod body, and the bottom plate extends to the outer side of the sub-rod body to form a pressing part.

3. A sidewalk structure joint cutting apparatus according to claim 2, wherein, The cutting device further comprises a fixing bolt and a T-shaped plate, the horizontal plate of the T-shaped plate abuts the top of the two sub-rod bodies, the vertical plate is inserted between the two sub-rod bodies, and the fixing bolt is arranged at the end of the positioning groove towards the fixed end, penetrates through the two sub-rod bodies and the vertical plate of the T-shaped plate in a transverse direction, and then fixes the two sub-rod bodies. The guide rib is integrally formed with the sub-rod body. The sub-rod body comprises two sub-rod segments, and the two sub-rod segments are inserted and matched.

4. A sidewalk structure joint cutting apparatus according to claim 3, wherein The sub-rod segment is an aluminum alloy frame-shaped sub-rod segment or a steel sub-rod segment, the thickness of the top wall, the bottom wall and the side wall away from the guide rib of the sub-rod segment is greater than or equal to 3 mm; 5. A sidewalk structure joint cutting apparatus according to claim 2, wherein The sub-rod segment is located outside the side wall of the guide rib to form the guide rib, the thickness of the guide rib is greater than or equal to 1 mm and less than or equal to 5 mm, and the thickness of the sub-rod segment at the guide rib is less than the thickness of the sub-rod segment at other positions.

6. A sidewalk structure joint cutting apparatus according to claim 5, wherein, The cross section of the guide rib is arranged in an arc shape.

7. A sidewalk structure joint cutting apparatus according to claim 6, wherein, The inner side wall of the guide rod integrally forms the guide rib. The mounting frame comprises a connecting shaft, the middle part of the connecting shaft is connected with the cutting wheel, and the length of the connecting shaft is greater than or equal to 35 cm; and a u-shaped frame, the two ends of the connecting shaft are respectively connected to the opening positions of the u-shaped frame, and the u-shaped frame is connected with the operating rod.

8. A sidewalk structure joint cutting apparatus according to claim 1, wherein, ​ 9. A sidewalk structure joint cutting apparatus according to claim 1, wherein, ​ 10. A sidewalk structure joint cutting apparatus according to claim 1, wherein, ​ ​ ​

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