A joint cutting device for asphalt concrete pavement construction

Abstract

The utility model relates to the technical field of pavement construction discloses a kind of cutting joint devices for asphalt concrete pavement construction, including fixed plate, two sides corresponding arrangement of extension column are equipped on the fixed plate, limit plate is slidably equipped on the extension column, fixed mechanism is equipped on the limit plate and cooperates with cutting joint device, the utility model compared with prior art is advantageous in when cutting a seam needs to turn, mobile wheel on shell is moved down by air cylinder drive, so that mobile wheel contacts ground and cutting joint device is lifted, then cutting joint device is moved to next place by being pushed, by setting rotatable support plate, so that the direction of cutting joint device is conveniently adjusted, it is easy to operate, improve cutting efficiency.

Description

Technical Field

[0001] This utility model relates to the field of road construction technology, specifically to a joint cutting device for asphalt concrete road construction. Background Technology

[0002] Asphalt concrete pavement joint cutting device is a device used to cut grooves in asphalt concrete pavement. It is mainly used to prevent irregular cracks in the pavement caused by factors such as temperature changes and loads, and also helps with pavement drainage and maintenance.

[0003] When cutting the road surface, workers push the cutting device forward to cut a groove in the asphalt concrete pavement. After cutting one groove, it is necessary to change the cutting position. This requires first retracting the cutting machine on the cutting device onto the road surface, then adjusting the position of the cutting device, and then aligning it. This is quite troublesome and affects the cutting efficiency. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] The technical problem this invention aims to solve is that after cutting a slit, the cutting machine needs to be moved back to the road surface first, and then the position of the trolley needs to be adjusted. This process is cumbersome and troublesome, and affects the cutting efficiency.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a joint cutting device for asphalt concrete pavement construction, including a fixing plate, an extension column arranged on both sides of the fixing plate, a limiting plate slidably provided on the extension column, a fixing mechanism cooperating with the joint cutting device on the limiting plate, a cylinder provided on the bottom surface of the fixing plate, a support plate rotatably provided at the output end of the cylinder, a connecting column arranged on both sides of the support plate, a housing provided at one end of the connecting column, and multiple moving wheels rotatably provided inside the housing.

[0008] As an improvement, the fixing mechanism includes two bolts that are movably inserted into the limiting plate, a clamping plate that is slidably fitted onto the bolts is provided on the limiting plate, and a nut that is threadedly engaged with the bolts is provided on the bottom surface of the limiting plate.

[0009] As an improvement, a sleeve is slidably provided on the extension column, a limiting block is provided on the sleeve, a limiting groove that cooperates with the limiting block is provided on the extension column, a threaded sleeve is rotatably provided on the sleeve, and a threaded groove that cooperates with the threaded sleeve is provided on the limiting plate.

[0010] As an improvement, the threaded sleeve is provided with a throttle handle.

[0011] As an improvement, the moving wheel moves in a direction perpendicular to the moving direction of the slit cutting device.

[0012] As an improvement, a plug is movably inserted into the support plate, and a socket is provided on the cylinder output end to cooperate with the plug. A lever is provided at one end of the plug, and a tension spring is sleeved on the plug between the lever and the support plate.

[0013] (III) Beneficial Effects

[0014] The advantages of this utility model compared with the prior art are as follows:

[0015] By setting a fixed plate, extension column, and limiting plate, the device can accommodate cutting devices of different lengths. The fixed plate is fixed to the bottom of the cutting device by a fixing mechanism. When a cutting is completed and the device needs to be turned, the cylinder drives the moving wheel on the housing to move down, so that the moving wheel contacts the ground and lifts the cutting device. Then, the cutting device is pushed to move to the next location. Then, the cutting device is rotated so that the cutting machine is aligned with the place to be cut. By setting the insertion column and insertion hole, the cutting device can be kept parallel to the cutting position. Then, the cylinder drives the housing to move up, so that the cutting device contacts the ground, and cutting can continue. The operation is simple and the cutting efficiency is improved. Attached Figure Description

[0016] Figure 1 This is a perspective view of a cutting device for asphalt concrete pavement construction according to this utility model.

[0017] Figure 2 This is an exploded view of a cutting device for asphalt concrete pavement construction according to this utility model.

[0018] Figure 3 This utility model discloses a cross-section of a joint cutting device for asphalt concrete pavement construction. Figure 1 .

[0019] Figure 4 This is an enlarged view of section A of a cutting device for asphalt concrete pavement construction according to this utility model.

[0020] Figure 5 This utility model discloses a cross-section of a joint cutting device for asphalt concrete pavement construction. Figure 2 .

[0021] As shown in the figure: 1. Fixed plate; 2. Extension column; 3. Limiting plate; 4. Fixing mechanism; 5. Cylinder; 6. Support plate; 7. Connecting column; 8. Housing; 9. Moving wheel; 10. Bolt; 11. Clamping plate; 12. Nut; 13. Sleeve; 14. Limiting block; 15. Limiting groove; 16. Threaded sleeve; 17. Threaded groove; 18. Thruster; 19. Insertion column; 20. Insertion hole; 21. Pulley; 22. Tension spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] As per the instructions Figures 1 to 4 As shown, a joint cutting device for asphalt concrete pavement construction includes a fixed plate 1, on which extension columns 2 are arranged on both sides. A limiting plate 3 is slidably provided on the extension columns 2. A fixing mechanism 4 that cooperates with the joint cutting device is provided on the limiting plate 3. A cylinder 5 is provided on the bottom surface of the fixed plate 1. A support plate 6 is rotatably provided at the output end of the cylinder 5. A connecting column 7 is arranged on both sides on the support plate 6. A housing 8 is provided at one end of the connecting column 7. Multiple moving wheels 9 are rotatably provided inside the housing 8. The moving direction of the moving wheels 9 is perpendicular to the moving direction of the joint cutting device.

[0024] As per the instructions Figures 2 to 5 As shown, the fixing mechanism 4 includes two bolts 10 that are movably inserted into the limiting plate 3, a clamping plate 11 that is sleeved on the bolts 10 is slidably provided on the limiting plate 3, and a nut 12 that is threadedly engaged with the bolts 10 is provided on the bottom surface of the limiting plate 3.

[0025] A sleeve 13 is slidably provided on the extension column 2. A limiting block 14 is provided on the sleeve 13. A limiting groove 15 that cooperates with the limiting block 14 is provided on the extension column 2. A threaded sleeve 16 is rotatably provided on the sleeve 13. A threaded groove 17 that cooperates with the threaded sleeve 16 is provided on the limiting plate 3. A handle 18 is provided on the threaded sleeve 16.

[0026] A plug 19 is movably inserted into the support plate 6. The output end of the cylinder 5 is provided with a plug hole 20 that cooperates with the plug 19. One end of the plug 19 is provided with a lever 21. A tension spring 22 is sleeved on the plug 19 between the lever 21 and the support plate 6.

[0027] In practical use, adjust the two limiting plates 3 according to the length of the slit device, then position the clamping plate 11 above the slit device and the limiting plates 3 on the bottom surface of the slit device. Then tighten the bolts 10 to clamp the slit device with the clamping plate 11. When fixing, ensure that the fixing plate 1 is approximately in the center of the slit device to prevent the center of gravity from shifting too much and causing the slit device to tilt during lifting. After fixing the fixing plate 1 to the bottom surface of the slit device, the slit device will then cut a slit in the ground. After cutting one slit, start the cylinder 5. The cylinder 5 will drive the support plate 6 to move downwards. Stop when the moving wheel 9 on the housing 8 contacts the ground and lifts the slit device. Then push the slit device to the next slit position. Then, move the lever 21, stretch the spring 22, and move the insert 19 away from the insertion hole 20. Then rotate the cutting device. When the insert 19 is misaligned with the insertion hole 20, release the lever 21. The spring 22 will drive the insert 19 to move so that it abuts against the output end of the cylinder 5. Then continue to rotate the cutting device. When it has rotated 180°, the insert 19 coincides with the insertion hole 20. The spring 22 will drive the insert 19 to insert into the insertion hole 20. Then finely adjust the position of the cutting device so that the cutting blade coincides with the cutting position. Then start the cutting blade. The cylinder 5 will drive the housing 8 to move upward. The cutting blade will cut the road surface. Stop when the moving wheel 9 no longer contacts the ground. Then continue cutting. The operation steps are simple and improve the cutting efficiency.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0030] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A joint cutting device for asphalt concrete pavement construction, comprising a fixing plate (1), characterized in that: The fixed plate (1) is provided with extension columns (2) arranged on both sides. A limiting plate (3) is slidably provided on the extension column (2). A fixing mechanism (4) that cooperates with the cutting device is provided on the limiting plate (3). A cylinder (5) is provided on the bottom surface of the fixed plate (1). A support plate (6) is rotatably provided at the output end of the cylinder (5). A connecting column (7) is arranged on both sides on the support plate (6). A housing (8) is provided at one end of the connecting column (7). Multiple moving wheels (9) are rotatably provided inside the housing (8).

2. The cutting device for asphalt concrete pavement construction according to claim 1, characterized in that: The fixing mechanism (4) includes two bolts (10) that are movably inserted into the limiting plate (3). The limiting plate (3) is provided with a clamping plate (11) that is sleeved on the bolts (10). The bottom surface of the limiting plate (3) is provided with a nut (12) that is threadedly engaged with the bolts (10).

3. The joint-cutting device for asphalt concrete pavement construction according to claim 1, characterized in that: A sleeve (13) is slidably provided on the extension column (2), a limiting block (14) is provided on the sleeve (13), a limiting groove (15) that cooperates with the limiting block (14) is provided on the extension column (2), a threaded sleeve (16) is rotatably provided on the sleeve (13), and a threaded groove (17) that cooperates with the threaded sleeve (16) is provided on the limiting plate (3).

4. A joint cutting device for asphalt concrete pavement construction according to claim 3, characterized in that: The threaded sleeve (16) is provided with a throttle (18).

5. A joint-cutting device for asphalt concrete pavement construction according to claim 1, characterized in that: The moving direction of the moving wheel (9) is perpendicular to the moving direction of the slit cutting device.

6. A joint-cutting device for asphalt concrete pavement construction according to claim 1, characterized in that: A plug (19) is movably inserted into the support plate (6). The output end of the cylinder (5) is provided with a plug hole (20) that cooperates with the plug (19). One end of the plug (19) is provided with a lever (21). A tension spring (22) is sleeved on the plug (19) between the lever (21) and the support plate (6).

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