Road construction joint cutting device

Abstract

The utility model discloses a road construction joint-cutting device, which relates to the technical field of road construction joint-cutting and comprises a frame provided with a handle and wheels. A mounting plate is arranged on the rack, and a power supply and an electric telescopic rod are arranged on the mounting plate; the output end of the electric telescopic rod is connected with a connecting frame, the connecting frame is provided with a mounting frame, the mounting frame is provided with a motor and an electric push rod, an output shaft of the motor is provided with a telescopic assembly, the telescopic assembly is provided with a cutting wheel, and the distance between the cutting wheel and the motor can be adjusted through the telescopic assembly; and during joint cutting, the cutting wheel can be far away from the motor, namely, the cutting wheel can be far away from the device, so that a worker can be far away from the joint cutting position when pushing the device to cut a joint, and the influence of dust and broken stone particles generated during joint cutting on the worker is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of highway construction cutting joint, specifically to a highway construction cutting joint device. BACKGROUND

[0002] After the highway construction is completed, in order to avoid thermal expansion and cold contraction and make the pavement crack, the cutting joint machine is usually used to cut the pavement.

[0003] The cutting wheel of the prior art cutting joint machine will splash dust and gravel particles when cutting at high speed, although it is provided with a dust cover, because the cutting wheel is close to the worker, a little dust and gravel particles will still affect the worker, therefore, we provide a highway construction cutting joint device. UTILITY MODEL CONTENTS

[0004] The utility model discloses a highway construction cutting joint device to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a highway construction cutting joint device, including, frame, be provided with handle and wheel on the frame;

[0006] The mounting plate is arranged on the frame, and the power supply and the electric telescopic rod are arranged on the mounting plate;

[0007] The output end of the electric telescopic rod is connected with the connecting frame, the mounting frame is arranged on the connecting frame, the motor and the electric push rod are arranged on the mounting frame, the output shaft of the motor is provided with the telescopic assembly, the cutting wheel is arranged on the telescopic assembly, and the dust cover is arranged on the cutting wheel.

[0008] As a preferred scheme of the highway construction cutting joint device, the telescopic assembly includes a fixed sleeve connected with the motor output shaft, a sliding block is slidably connected in the fixed sleeve, a connecting rod penetrating through the fixed sleeve is connected to the sliding block, a rotating shaft connected with the cutting wheel is arranged on the connecting rod, a screw hole one is arranged on the connecting rod, a screw hole two with the same structure as the screw hole one is arranged on the sliding block, and a screw bolt connected with the screw hole one is arranged on the fixed sleeve.

[0009] As a preferred scheme of the highway construction cutting joint device, a bearing is arranged on the mounting frame.

[0010] As a preferred scheme of the highway construction cutting joint device, a circular ring is arranged on the outer side of the fixed sleeve, and the circular ring is connected with the mounting frame through the bearing.

[0011] As a preferred scheme of the highway construction joint cutting device, the mounting frame is provided with a sliding rod.

[0012] As a preferred scheme of the highway construction joint cutting device, a sliding groove in sliding connection with the sliding rod is vertically formed on the rack.

[0013] As a preferred scheme of the highway construction joint cutting device, the rack is provided with a control panel.

[0014] Compared with the prior art, the highway construction joint cutting device has the advantages that:

[0015] 1. The distance between the cutting wheel and the motor can be adjusted through the telescopic assembly, so that the cutting wheel is away from the motor during joint cutting, that is, away from the device, so that the worker can be away from the joint cutting position when pushing the device to cut the joint, thereby further reducing the influence of dust and gravel particles generated during joint cutting on the worker.

[0016] 2. The dust cover can move with the cutting wheel through the electric push rod, so as to prevent dust from entering the cutting wheel and improve the practicability. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a schematic diagram of the overall structure of the highway construction joint cutting device.

[0018] Fig. 2 It is a sectional view schematic diagram of the shaft, connecting rod and sliding block structure of the highway construction joint cutting device.

[0019] Fig. 3 It is an enlarged schematic diagram of the local structure of the highway construction joint cutting device.

[0020] In the figure: 1, rack; 2, handle; 3, wheel; 4, mounting plate; 5, power supply; 6, electric telescopic rod; 7, connecting frame; 8, mounting frame; 9, motor; 10, electric push rod; 11, dust cover; 12, cutting wheel; 13, fixing sleeve; 14, sliding block; 15, connecting rod; 16, shaft; 17, screw hole one; 18, screw hole two; 19, bolt; 20, bearing; 21, sliding rod; 22, sliding groove; 23, control panel. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the present utility model.

[0022] As mentioned in the background, the cutting wheel of the joint cutting machine in the prior art will splash dust and gravel particles when cutting at high speed, although it is provided with a dust cover, but because the cutting wheel is close to the worker, a small amount of dust and gravel particles will still affect the worker. The utility model provides a highway construction joint cutting device. Embodiment

[0023] Reference Figs. 1-3 A highway construction joint cutting device, comprising a rack 1, the rack 1 is provided with a handle 2 and a wheel 3;

[0024] The rack 1 is provided with a mounting plate 4, the mounting plate 4 is provided with a power supply 5 and an electric telescopic rod 6, the power supply 5 is used for power supply to the electric element in the text;

[0025] The output end of the electric telescopic rod 6 is connected with a connecting frame 7, the connecting frame 7 is provided with a mounting frame 8, so that the connecting frame 7 and the mounting frame 8 can be lifted, the mounting frame 8 is provided with a motor 9 and an electric push rod 10, the output shaft of the motor 9 is provided with a telescopic assembly, the telescopic assembly is provided with a cutting wheel 12, the telescopic assembly is used for adjusting the distance between the cutting wheel 12 and the motor 9, the output end of the electric push rod 10 is provided with a dust cover 11 covering the cutting wheel 12, so that the dust cover 11 can move with the cutting wheel 12.

[0026] The telescopic assembly comprises a fixed sleeve 13 connected with the output shaft of the motor 9, the fixed sleeve 13 is slidably connected with a sliding block 14, the sliding block 14 is connected with a connecting rod 15 penetrating through the fixed sleeve 13, the connecting rod 15 is provided with a rotating shaft 16 connected with the cutting wheel 12, the connecting rod 15 is provided with a screw hole one 17, the sliding block 14 is provided with a screw hole two 18 which is the same structure with the screw hole one 17, the fixed sleeve 13 is provided with a bolt 19 connected with the screw hole one 17, when cutting is needed, the bolt 19 is removed, then the connecting rod 15 is pulled until the sliding block 14 abuts against the left end of the inner wall of the fixed sleeve 13, at this time the bolt 19 is aligned with the screw hole two 18, the sliding block 14 can be fixed on the fixed sleeve 13 through the screw hole two 18, so that the cutting wheel 12 is away from the motor 9 at this time, and then the mark line is drawn first when cutting, so that the worker can be away from the cutting position when pushing the device to cut, so that the cutting wheel 12 can move along the mark line, further reducing the influence of dust and gravel particles generated during cutting on the worker.

[0027] The bearing 20 is arranged on the mounting frame 8, and the outer side of the fixing sleeve 13 is provided with a circular ring, and the circular ring is connected with the mounting frame 8 through the bearing 20, so that when the motor 9 drives the fixing sleeve 13 to rotate, the circular ring rotates stably through the bearing 20.

[0028] The slide rod 21 is arranged on the mounting frame 8, and the slide groove 22 which is slidably connected with the slide rod 21 is vertically arranged on the rack 1, so that when the cutting wheel 12 is lifted, the mounting frame 8 can be guided through the slide rod 21 and the slide groove 22. Embodiment

[0029] Refer to Fig. 1 The control panel 23 is arranged on the rack 1, so as to facilitate the worker to control.

[0030] The rest of the structure is the same as that in Embodiment 1.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A highway construction joint cutting apparatus, characterized by: The utility model relates to a kind of portable electric cutting machine, including, Frame (1), handle (2) and wheel (3) are provided on the frame (1); Mounting plate (4) is provided on the frame (1), power supply (5) and electric telescopic rod (6) are provided on the mounting plate (4); The output end of the electric telescopic rod (6) is connected with connecting frame (7), mounting frame (8) is provided on the connecting frame (7), motor (9) and electric push rod (10) are provided on the mounting frame (8), telescopic assembly is provided on the output shaft of the motor (9), cutting wheel (12) is provided on the telescopic assembly, dust cover (11) is provided on the output end of the electric push rod (10) and cover cutting wheel (12).

2. A highway construction joint cutting device according to claim 1, characterised in that: The telescopic assembly includes fixed sleeve (13) connected with the output shaft of motor (9), sliding block (14) is slidably connected in the fixed sleeve (13), connecting rod (15) is connected on the sliding block (14) and penetrates fixed sleeve (13), rotating shaft (16) is provided on the connecting rod (15) and connected with cutting wheel (12), screw hole one (17) is provided on the connecting rod (15), screw hole two (18) is provided on the sliding block (14) and same as the structure of screw hole one (17), bolt (19) is provided on the fixed sleeve (13) and connected with screw hole one (17).

3. A highway construction joint cutting device according to claim 2, characterised in that: Bearing (20) is provided on the mounting frame (8).

4. A highway construction joint cutting device according to claim 3, wherein: The outer side of the fixed sleeve (13) is provided with a circular ring, and the circular ring is connected with the mounting frame (8) by bearing (20).

5. A highway construction joint cutting device according to claim 1, wherein: Slide bar (21) is provided on the mounting frame (8).

6. A highway construction joint cutting apparatus as claimed in claim 5, wherein: The frame (1) is vertically provided with sliding groove (22) and slidingly connected with slide bar (21).

7. A highway construction joint cutting device according to claim 1, wherein: Control panel (23) is provided on the frame (1).

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