Pavement edge cutting device for municipal construction

Abstract

The utility model provides a road surface trimming device for municipal construction, which belongs to the technical field of municipal road surface construction and comprises a movable seat, a sleeve is embedded in an inner cavity of the movable seat, the movable seat is sleeved on the outer side wall of a movable shaft, and a push plate is fixedly mounted at one end of the movable shaft. An output shaft of a second motor drives a movable shaft to rotate, after a push plate rotates to a certain angle, it is guaranteed that in the road surface trimming construction process along with a carrier, the push plate rotates by the corresponding angle to clean waste generated by trimming from the roadside, it is prevented that the waste is left on the road surface and influences the road surface, secondary cleaning by related personnel is avoided, and the working efficiency is improved. And according to the construction position, the push plate is driven by the movable shaft to rotate so as to adjust the angle position, the road surface construction device can be suitable for road surface construction under different conditions, and then the efficiency of the construction process is guaranteed.

Description

Technical Field

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

[0002] Urban road pavement refers to a layered structure that is paved on the roadbed with various road construction materials and directly bears the effects of vehicle loads and natural factors such as temperature and humidity. It must also be coordinated with the surrounding environment, city appearance, and landscape. Usually, large and medium-sized cities often use high-grade or sub-high-grade pavements such as asphalt pavement, concrete pavement, and block pavement. During the road construction process, after the pavement is paved, it is generally necessary to trim the irregular areas on both sides of the road surface, and the relevant personnel will use a trimming machine to carry out the construction;

[0003] A related art (Announcement No.: CN218090427U) discloses a trimming device for municipal road construction, and the disclosed technical solution is: by starting the displacement cylinder to drive the trimming mechanism to move up and down, the trimming depth is adjusted, which is different from the fixed cutting depth of the trimming device for road construction in the past, and a variable displacement cutting mechanism is realized, which is more convenient. At the same time, the dust raised by the cutting wheel is shielded by the dust cover and the spray plate, and water is sprayed to reduce dust. The cutting position of the cutting wheel is sprayed by the nozzle pipe arranged below, so as to achieve a cooling effect and further reduce dust, thereby protecting the working environment of municipal construction personnel.

[0004] In the above disclosed technical solutions, it is found that the related technologies have the following problems: Figure 4 As shown: In the process of road edge cutting construction, a lot of waste will be generated. The waste and soil on the road surface may affect the road surface, and the relevant personnel will also make the construction process more complicated and affect the efficiency during the subsequent processing. In this regard, we have proposed a new type of road edge cutting device for municipal construction;

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background technology section of this application, and therefore may include prior art information that does not constitute known to ordinary technicians in the field. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art or related technology. In order to solve the problem of waste material treatment in the prior art, the utility model provides a road edge trimming device for municipal construction, which adopts a waste material pushing mechanism combined with a trimming mechanism to improve the construction efficiency. The specific technical solution is as follows:

[0007] A road surface cutting device for municipal construction comprises a movable seat, an inner cavity of the movable seat is embedded with a sleeve, the sleeve is slidably connected to the outer wall of a movable rod, a connecting plate is fixedly installed at one end of the movable rod, a side wall of the connecting plate is provided with a cutting wheel through a symmetrical mounting frame, a first motor is fixedly installed on the side wall of the connecting plate, an output shaft of the first motor is fixedly connected to one end of the central axis of the cutting wheel, the inner cavity of the movable seat is rotatably connected with a movable seat, the movable seat is sleeved on the outer wall of the movable shaft, a push plate is fixedly installed at one end of the movable shaft, a second motor is fixedly installed on the side wall of the movable seat, and the output shaft of the second motor is fixedly connected to one end of the movable shaft.

[0008] In addition, the road edge cutting device for municipal construction in the above technical solution provided by the utility model may also have the following additional technical features:

[0009] In the above technical solution, the push plate is slidably connected to the outer side wall of the extension plate, and the side wall of the extension plate is evenly provided with grooves in sequence. The inner cavity of the groove is slidably connected to one end of a sliding rod, and the other end of the sliding rod is fixedly installed on the inner side wall of the push plate. The outer side wall of the sliding rod is sleeved with a spring, and one end of the spring is fixedly installed on the inner side wall of the push plate, and the other end of the spring is fixedly installed on the side wall of the extension plate.

[0010] The outer wall of the movable seat is provided with a slide groove in the circumferential direction, the inner cavity of the movable seat is provided with a plurality of movable grooves evenly in the circumferential direction, and balls are evenly embedded in the plurality of movable grooves and the inner cavity of the slide groove.

[0011] The side wall of the movable seat is rotatably connected to the cylinder barrel end of the cylinder through a first connecting frame, and the movable end of the cylinder is rotatably connected to a second connecting frame, and the second connecting frame is fixedly installed on the side wall of the connecting plate.

[0012] A vacuum cleaner is embedded in the inner cavity of the movable seat, and the vacuum cleaner is electrically connected to an external power supply through a wire. The air outlet end of the vacuum cleaner is fixedly connected to one end of a flexible connecting pipe, and the other end of the flexible connecting pipe is fixedly connected to a dust suction pipe.

[0013] A fixing ring is fixedly mounted on a side wall of the mounting frame, and the fixing ring is sleeved on the outside of the dust suction pipe.

[0014] A support plate is fixedly mounted on the side wall of the movable seat, and a connecting seat is symmetrically slidably connected to the side wall of the support plate.

[0015] Compared with the prior art, the utility model of a road surface trimming device for municipal construction has the following beneficial effects:

[0016] 1. When the road surface is trimmed, the output shaft of the second motor drives the movable shaft to rotate. After the push plate is rotated to a certain angle, it is ensured that as the vehicle trims the road surface, the push plate cleans the waste generated by the trimming from the roadside after rotating to a corresponding angle, preventing the waste from remaining on the road surface and affecting the road surface, and avoiding secondary cleaning by relevant personnel, thereby bringing convenience to the construction process of relevant personnel, and the push plate is driven by the movable shaft to rotate and adjust the angle position according to the construction position, which can be suitable for road construction in different situations, thereby ensuring the efficiency of the construction process.

[0017] Second, when the waste material of the cut edge is cleaned by the push plate, a plurality of springs drive the extension plate to slide against the inner wall of the push plate, and the elastic deformation of the spring ensures that the extension plate is in contact with the road surface, thereby ensuring the contact degree between the extension plate and the road surface and improving the waste cleaning effect.

[0018] 3. When adjusting the position of the cutting wheel, the movable end of the cylinder drives the hinged second connecting frame to move, so that the second connecting frame drives the connecting plate to move, so that the connecting plate drives the cutting wheel to adjust the cutting depth, and adjusts it according to the thickness of the construction road surface, thereby bringing convenience to the construction process of relevant personnel.

[0019] Fourth, when connecting the moving seat with the carrier, move the two connecting seats separately, move the connecting seats to a suitable installation position, and then pass the bolts through the through holes of the connecting seats and fix them on the carrier, so that the process of connecting the cutting wheel with the carrier is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a road surface trimming device for municipal construction according to the utility model;

[0021] Figure 2 This is a structural cross-sectional view of a road surface trimming device for municipal construction according to the utility model;

[0022] Figure 3 for Figure 1 A cross-sectional view of the push plate structure in the A direction;

[0023] Figure 4 This is a schematic diagram of road construction cutting edge;

[0024] in, Figures 1 to 3The correspondence between the figure numbers and the component names is: 1-movable seat, 2-support plate, 3-vacuum cleaner, 4-sleeve, 5-push plate, 6-movable rod, 7-connecting seat, 8-connecting plate, 9-cutting wheel, 10-cylinder, 11-first connecting frame, 12-second connecting frame, 14-mounting frame, 15-first motor, 16-flexible connecting pipe, 17-fixing ring, 18-vacuum pipe, 19-movable groove, 20-slide groove, 21-extension plate, 22-groove, 23-spring, 24-slide rod, 25-movable shaft, 26-ball, 27-second motor, 28-movable seat. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate 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 protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0027] The following is a combination of specific implementation cases and attached Figure 1-3 The present invention is further described below, but the present invention is not limited to these embodiments.

[0028] Example 1

[0029] A road edge cutting device for municipal construction, such as Figure 1-Figure 3As shown, it includes a movable seat 1, the inner cavity of the movable seat 1 is embedded with a sleeve 4, the sleeve 4 is slidably connected to the outer wall of the movable rod 6, and a mounting hole that penetrates the inner cavity is longitudinally opened in the inner cavity of the movable seat 1. The sleeve 4 is fixedly embedded and installed in the mounting hole, and the two ends of the sleeve 4 extend out of the outside of the two sides of the movable seat 1 respectively. A movable cavity is opened on one side surface of the sleeve 4, and the movable cavity is movably sleeved on the outer surface of the movable rod 6 so that the movable rod 6 fits on the inner wall of the sleeve 4 and slides. A connecting plate 8 is fixedly installed at one end of the movable rod 6, and a cutting wheel 9 is provided on the side wall of the connecting plate 8 through a symmetrical mounting bracket 14. The lower end of the movable rod 6 is vertically fixed to the surface of the connecting plate 8, and two mounting brackets 14 are vertically fixed to the lower surface of the connecting plate 8 in parallel with each other. A support frame for the corresponding cutting wheel 9 is installed between the two mounting frames 14, and the cutting wheel 9 is arranged inside the support frame through a shaft body, and bearings are respectively embedded in the inner walls on both sides of the support frame, and the two ends of the shaft body are respectively embedded in the two bearings, and the cutting wheel 9 is sleeved on the outside of the shaft body so that the cutting wheel 9 rotates with the shaft body, and a protective shell is sleeved on the outside of the cutting wheel 9 to protect the cutting wheel. A first motor 15 is fixedly installed on the side wall of the connecting plate 8, and the output shaft of the first motor 15 is fixedly connected to one end of the central shaft body of the cutting wheel 9. The first motor 15 is fixed to the lower surface of the connecting plate 8 through a motor seat, and the output shaft of the first motor 15 passes through the inner cavity on one side of the cutting wheel 9 support frame and extends to the inside and is fixedly connected to one end of the corresponding central shaft body. The output shaft of the machine 15 drives the cutting wheel 9 to rotate to perform road edge cutting. A battery or a solar panel is arranged on the movable seat 1 to power the electronic components. The inner cavity of the movable seat 1 is rotatably connected to a movable seat 28, and the movable seat 28 is sleeved on the outer wall of the movable shaft 25. A push plate 5 is fixedly installed on one end of the movable shaft 25. A mounting hole with an aperture corresponding to the movable seat 28 is longitudinally opened in the inner cavity of the movable seat 1. The movable seat 28 is embedded in the inside of the mounting hole and fits on its inner wall to rotate circumferentially. The movable seat 28 is fixedly sleeved on the outer surface of the movable shaft 25 through the mounting hole opened in the center, and the lower end of the movable shaft 25 is vertically fixed on the upper surface of the push plate 5, so that the movable shaft 25 drives the push plate 5 to move, and the position of the movable shaft 25 ensures that the position of the push plate 5 is consistent with the cutting Corresponding to the position of the wheel 9, a second motor 27 is fixedly installed on the side wall of the movable seat 1, and the output shaft of the second motor 27 is fixedly connected to one end of the movable shaft 25. The second motor 27 is fixed to the upper surface of the movable seat 1 through the motor seat, and the output shaft of the second motor 27 is fixedly connected to the upper end of the movable shaft 25. The second motor 27 is electrically connected to the external power supply through a wire. When the road surface trimming construction is carried out, the movable seat 1 is fixed to the carrier through the connecting seat 7, and then the first motor 15 is connected to the power supply, so that the output shaft of the first motor 15 drives the cutting wheel 9 to rotate, and then the carrier drives the movable seat 1 to the corresponding construction marking position through the connecting seat 7, and then the movable seat 1 is driven to move by the carrier, so that the movable seat 1 drives the cutting wheel 9 to process the roadside trimming position.At the same time, the second motor 27 is connected to the power supply, so that the output shaft of the second motor 27 drives the movable shaft 25 to rotate, so that the movable shaft 25 drives the push plate 5 to rotate. After the push plate 5 is rotated to a certain angle, it is ensured that during the process of the vehicle cutting the road surface, the push plate 5 cleans up the waste generated by the cutting from the roadside after rotating to the corresponding angle, preventing the waste from being left on the road surface and affecting the road surface, avoiding the relevant personnel from cleaning it up again, thereby bringing convenience to the construction process of the relevant personnel, and according to the construction position, the movable shaft 25 drives the push plate 5 to rotate and adjust the angle position, which can be applied to road construction under different conditions, thereby ensuring the efficiency of the construction process.

[0030] The push plate 5 is slidably connected to the outer wall of the extension plate 21, and a groove cavity is provided on the lower surface of the push plate 5 extending to the inner cavity. The extension plate 21 is embedded in the groove cavity and slides in close contact with its inner wall. The side walls of the extension plate 21 are uniformly provided with grooves 22 in sequence, and a plurality of grooves 22 are continuously provided in sequence on the side surface of the extension plate 21 located inside the push plate 5. One end of a sliding rod 24 is slidably connected to the inner cavity of the groove 22, and the other end of the sliding rod 24 is fixedly installed on the inner side wall of the push plate 5. The lower end of the sliding rod 24 is embedded in the groove 22 and slides in close contact with its inner wall. The upper end of the sliding rod 24 is vertically fixed to the inner wall of the upper surface of the push plate 5, so that when the push plate 5 slides in close contact with the outer surface of the extension plate 21, it drives a plurality of sliding rods. The rod 24 slides on the inner wall of the groove 22, and the outer wall of the slide rod 24 is sleeved with a spring 23. One end of the spring 23 is fixedly mounted on the inner wall of the push plate 5, and the other end of the spring 23 is fixedly mounted on the side wall of the extension plate 21. The spring 23 is movably sleeved on the outer surface of the inner slide rod 24 located between the extension plate 21 and the inner wall of the push plate 5, so that the spring 23 fits on the outer surface of this part of the slide rod 24 and slides telescopically. When the push plate 5 is used to clean the trimming waste, the extension plate 21 is driven by multiple springs 23 to slide against the inner wall of the push plate 5. The elastic deformation of the spring 23 ensures that the extension plate 21 fits on the road surface, thereby ensuring the fit between the extension plate 21 and the road surface and improving the waste cleaning effect.

[0031] It is worth mentioning that a slide groove 20 is circumferentially provided on the outer wall of the movable seat 28, and a plurality of movable grooves 19 are evenly provided on the inner cavity of the movable seat 1 in a circumferential direction. Balls 26 are evenly embedded in the inner cavities of the plurality of movable grooves 19 and the slide grooves 20. A circle of movable grooves 19 are continuously provided on the inner surface of the movable seat 28 and the movable cavity of the movable seat 1, and a circle of slide grooves 20 are provided on the outer surface of the movable seat 28 and at positions corresponding to the movable grooves 19. Balls 26 are movably embedded in the multiple movable cavities formed by each movable groove 19 and the slide grooves 20. When the movable shaft 25 drives the push plate 5 to rotate and adjust the cleaning angle, the movable shaft 25 drives the movable seat 28 to rotate, so that the movable seat 28 slides on the outer surface of the slide grooves 20 and fits on the outer surfaces of the plurality of balls 26. At the same time, the plurality of balls 26 slide on the inner walls of the respective movable grooves 19. The stability of the rotation process of the movable seat 28 is ensured by the plurality of circumferential balls 26, thereby ensuring the stability of the adjustment process of the push plate 5.

[0032] In addition, the side wall of the movable seat 1 is rotatably connected to the cylinder end of the cylinder 10 through the first connecting frame 11, and the movable end of the cylinder 10 is rotatably connected to the second connecting frame 12, and the second connecting frame 12 is fixedly installed on the side wall of the connecting plate 8. The first connecting frame 11 is fixed to the lower surface of the movable seat 1, and the rotating shafts are installed inside the first connecting frame 11 and the second connecting frame 12. The two ends of the cylinder 10 are respectively movably sleeved on the outer surfaces of the rotating shafts inside the first connecting frame 11 and the second connecting frame 12 through the mounting holes opened by the connecting piece, so that the two ends of the cylinder 10 are respectively hinged to the first connecting frame 11 and the second connecting frame 12, and the cylinder 10 is connected to the second connecting frame 12 through two air guides. The tube is connected to the controller, and the two air pipes are respectively connected to the input and output ends of the compressed air. The controller controls the opening and closing of the internal solenoid valve, so that the compressed air is input into the interior of the cylinder 10 through the air pipe, thereby making the movable end of the cylinder 10 telescopic and movable. When adjusting the position of the cutting wheel 9, the solenoid valve of the air pipe connected to the inside of the cylinder 10 is opened, so that the movable end of the cylinder 10 drives the hinged second connecting frame 12 to move, so that the second connecting frame 12 drives the connecting plate 8 to move, so that the connecting plate 8 drives the cutting wheel 9 to adjust the cutting depth, and adjusts it according to the thickness of the construction road surface, thereby bringing convenience to the construction process of relevant personnel.

[0033] In addition, a vacuum cleaner 3 is embedded in the inner cavity of the movable seat 1, and the vacuum cleaner 3 is electrically connected to an external power supply through a wire. The air outlet end of the vacuum cleaner 3 is fixedly connected to one end of a flexible connecting tube 16, and the other end of the flexible connecting tube 16 is fixedly connected to a dust suction tube 18. The dust suction tube 18 can be extended to a corresponding position through the flexible connecting tube 16, thereby ensuring the dust removal effect.

[0034] Furthermore, a fixing ring 17 is fixedly installed on the side wall of a mounting frame 14, and the fixing ring 17 is sleeved on the outside of the dust suction pipe 18. The fixing ring 17 is fixedly sleeved on the outer surface of the dust suction pipe 18, so that the dust suction pipe 18 is stretched through the fixing ring 17 along with the position of the cutting wheel 9, which brings convenience to the construction process of relevant personnel.

[0035] A support plate 2 is fixedly installed on the side wall of the movable seat 1, and a connecting seat 7 is symmetrically slidably connected to the side wall of the support plate 2. Guide grooves are symmetrically opened on the surface of the support plate 2, and guide wheels arranged on the surface of the connecting seat 7 are embedded in the guide grooves, so that the connecting seat 7 slides on the surface of the support plate 2 through the sliding cooperation between the guide wheels and the guide grooves. When connecting the movable seat 1 with the carrier, the two connecting seats 7 are moved separately, and the connecting seats 7 are moved to a suitable installation position, and then bolts are passed through the through holes of the connecting seats 7 and fixed to the carrier, so that the process of connecting the cutting wheel with the carrier is more convenient.

[0036] The present embodiment is a road edge trimming device for municipal construction, and its working principle is as follows: when the road edge trimming is being constructed, the two connecting seats 7 are moved respectively, and the connecting seats 7 are moved to a suitable installation position, and then bolts are passed through the through holes of the connecting seats 7 and fixed to the carrier, and the electromagnetic valve of the air guide pipe connected to the cylinder 10 is opened, so that the movable end of the cylinder 10 drives the hinged second connecting frame 12 to move, so that the second connecting frame 12 drives the connecting plate 8 to move, so that the connecting plate 8 drives the cutting wheel 9 to adjust the cutting depth, and the dust suction pipe 18 is stretched along with the position of the cutting wheel 9 through the fixing ring 17, and then the first motor 15 is driven. The power supply is connected so that the output shaft of the first motor 15 drives the cutting wheel 9 to rotate, and then the carrier drives the moving seat 1 to the corresponding construction marking position through the connecting seat 7, and then the moving seat 1 is driven by the carrier to move, so that the moving seat 1 drives the cutting wheel 9 to process the roadside cutting position, and at the same time, the second motor 27 is connected to the power supply so that the output shaft of the second motor 27 drives the movable shaft 25 to rotate, and the movable shaft 25 drives the push plate 5 to rotate. After the push plate 5 is rotated to a certain angle, it is ensured that as the carrier cuts the road surface, the push plate 5 cleans the waste generated by cutting from the roadside after rotating to the corresponding angle.

[0037] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A road edge trimming device for municipal construction, comprising a movable seat (1), characterized in that: The inner cavity of the movable seat (1) is embedded with a sleeve (4), and the sleeve (4) is slidably connected to the outer wall of the movable rod (6). A connecting plate (8) is fixedly installed on one end of the movable rod (6). The side wall of the connecting plate (8) is provided with a cutting wheel (9) through a symmetrical mounting frame (14). A first motor (15) is fixedly installed on the side wall of the connecting plate (8). The output shaft of the first motor (15) is fixedly connected to one end of the central axis of the cutting wheel (9). The inner cavity of the movable seat (1) is rotatably connected with a movable seat (28), and the movable seat (28) is sleeved on the outer wall of the movable shaft (25). A push plate (5) is fixedly installed on one end of the movable shaft (25). A second motor (27) is fixedly installed on the side wall of the movable seat (1), and the output shaft of the second motor (27) is fixedly connected to one end of the movable shaft (25).

2. A road edge trimming device for municipal construction according to claim 1, characterized in that: The push plate (5) is slidably connected to the outer wall of the extension plate (21), and the side wall of the extension plate (21) is uniformly provided with grooves (22) in sequence. The inner cavity of the groove (22) is slidably connected to one end of a sliding rod (24), and the other end of the sliding rod (24) is fixedly installed on the inner wall of the push plate (5). The outer wall of the sliding rod (24) is sleeved with a spring (23), and one end of the spring (23) is fixedly installed on the inner wall of the push plate (5), and the other end of the spring (23) is fixedly installed on the side wall of the extension plate (21).

3. A road edge trimming device for municipal construction according to claim 2, characterized in that: The outer wall of the movable seat (28) is provided with a slide groove (20) in the circumferential direction, and the inner cavity of the movable seat (1) is provided with a plurality of movable grooves (19) evenly in the circumferential direction, and the balls (26) are evenly embedded in the inner cavities of the plurality of movable grooves (19) and the slide grooves (20).

4. A road edge trimming device for municipal construction according to claim 1, characterized in that: The side wall of the movable seat (1) is rotatably connected to the cylinder end of the cylinder (10) via a first connecting frame (11), and the movable end of the cylinder (10) is rotatably connected to a second connecting frame (12), and the second connecting frame (12) is fixedly mounted on the side wall of the connecting plate (8).

5. A road edge trimming device for municipal construction according to claim 1, characterized in that: A vacuum cleaner (3) is embedded in the inner cavity of the movable seat (1); the vacuum cleaner (3) is electrically connected to an external power source via a wire; an air outlet end of the vacuum cleaner (3) is fixedly connected to one end of a flexible connecting tube (16); and the other end of the flexible connecting tube (16) is fixedly connected to a dust suction tube (18).

6. A road edge trimming device for municipal construction according to claim 5, characterized in that: A fixing ring (17) is fixedly mounted on a side wall of the mounting frame (14), and the fixing ring (17) is sleeved on the outside of the dust suction pipe (18).

7. A road edge trimming device for municipal construction according to claim 1, characterized in that: A support plate (2) is fixedly mounted on the side wall of the movable seat (1), and a connecting seat (7) is symmetrically slidably connected to the side wall of the support plate (2).

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