CN-224199752-U - Concrete pavement joint cleaning machine

Abstract

The utility model discloses a concrete pavement joint cleaning machine, which belongs to the technical field of joint cleaning machines and comprises a support frame, wherein a pushing handle is fixedly arranged at the top of the support frame, a mounting frame is fixedly arranged at one side of the support frame, a moving wheel for driving a device to move is fixedly arranged at the bottom end of the mounting frame through bolts, a cutter for cleaning joints is arranged at one side of the support frame, which is far away from the moving wheel, guide structures for guiding the cutter to enter joints are arranged at two sides of the cutter, a pull rod is manually pulled to rotate an adjusting rod, the guide wheels and the cutter are pulled to accurately enter the joints of the pavement, the problem that the cutter is difficult to accurately enter the joints is effectively solved, the operation accuracy of the device is improved, the cutter can be contracted into an inner cavity of the guide wheels by matching with an expanding structure, the guide wheels to replace the butt joint joints, the contact between the cutter and the pavement is reduced, the abrasion caused by the unnecessary friction between the cutter and the pavement is avoided, and the service life of the cutter is prolonged.

Inventors

• WANG BO
• Yu Zizhuo
• JI SHAOXIONG
• WANG FANG
• Ge guangrui
• GU RONG
• FENG XIAOKAI
• MA ZHISHENG
• CAO YANAN
• WANG WEI

Assignees

• 山西机械化建设集团有限公司
• 山西建设投资集团有限公司

Dates

Publication Date

20260505

Application Date

20241213

Claims (6)

1. 1. The utility model provides a concrete pavement joint cleaning machine, includes support frame (1), its characterized in that, the top fixed mounting of support frame (1) has pushing away handle (2), one side fixed mounting of support frame (1) has mounting bracket (3), the bottom fixed mounting of mounting bracket (3) has the removal wheel (4) that are used for driving the removal of device, one side that moves wheel (4) is kept away from to support frame (1) is installed and is used for the digging cutter (5) of clearance, the guide structure that is used for guiding digging cutter (5) to get into the joint is installed to the both sides of digging cutter (5); The guide structure comprises a fixing rod (601), the fixing rod (601) is fixedly arranged at the top end of a supporting frame (1), an adjusting rod (602) is rotationally connected to the center of the fixing rod (601), a connecting piece (604) is fixedly arranged at the bottom end of the adjusting rod (602), a guide wheel (605) used for guiding is rotationally arranged in an inner cavity of the connecting piece (604), an expansion structure used for controlling expansion of the cutter (5) is fixedly arranged in the inner cavity of the guide wheel (605), the expansion structure is fixedly connected with the cutter (5), and when the guide wheel (605) is used for guiding, the cutter (5) is driven to shrink to the inner cavity of the guide wheel (605) by the expansion structure, so that abrasion to the cutter (5) is reduced.
2. 2. The concrete pavement joint cleaning machine according to claim 1, wherein the expansion structure comprises an air bag (606), the air bag (606) is fixedly arranged in an inner cavity of the guide wheel (605), a plurality of moving blocks (620) for driving the digging knife (5) to move are fixedly arranged on the outer wall of the air bag (606), moving rods (607) are fixedly arranged at two ends of each moving block (620), and one end of each moving rod (607) is fixedly connected with the digging knife (5).
3. 3. The concrete pavement joint cleaning machine according to claim 2, wherein in order to limit the movement range of the moving rod (607), limiting plates (608) are rotatably installed on two sides of the air bag (606), a plurality of limiting grooves for providing movement of the moving rod (607) are formed in the inner cavity of each limiting plate (608), and the moving rod (607) is located in each limiting groove.
4. 4. The concrete pavement joint cleaning machine according to claim 1, wherein an air injection pipe (611) is fixedly installed in an inner cavity of the adjusting rod (602), an air pump (612) for providing air is fixedly installed at one end of the air injection pipe (611), the air pump (612) is fixedly located on the upper surface of the supporting frame (1), a fixing pipe (613) is fixedly connected to the other end of the air injection pipe (611), and an air outlet pipe (614) for conveying air to the air bag (606) is rotatably connected to one end of the fixing pipe (613).
5. 5. The concrete pavement joint cleaning machine according to claim 1, wherein the inner cavity of the supporting frame (1) is fixedly connected with a cross rod (7), the outer wall of the cross rod (7) is fixedly provided with a bulldozing structure for enhancing the joint cleaning effect, and one side of the bulldozing structure is rotationally connected with an electric push rod (8) for adjusting the joint cleaning angle of the bulldozing structure.
6. 6. The concrete pavement joint cleaning machine according to claim 5, wherein the bulldozing structure comprises a mounting piece (801), the mounting piece (801) is fixedly arranged on one side of a cross rod (7), a bulldozing blade (802) used for loosening soil is rotatably arranged in an inner cavity of the mounting piece (801), a guide block (803) used for guiding the moving direction of the soil blocks is fixedly arranged on one side of the bulldozing blade (802), the guide block (803) is used for guiding the pushed-out impurities to scoop out joints, the soil blocks are prevented from accumulating at the front end of the bulldozing blade (802), and a balance plate (804) used for guaranteeing the stable movement of the bulldozing blade (802) is fixedly arranged at the bottom end of the bulldozing blade (802).

Description

Concrete pavement joint cleaning machine Technical Field The utility model relates to the technical field of joint cleaning machines, in particular to a concrete pavement joint cleaning machine. Background In the use process of the concrete pavement, the joints are easy to be filled with sundries, dust, sand grains and the like, and in order to ensure the telescopic function of the joints, the use of the joint cleaning machine can effectively remove the sundries and prolong the service life of the pavement. The Chinese patent discloses a cement concrete road and airport pavement expansion joint clearance cutter (bulletin number is CN 215593628U), which comprises a fork, clearance cutters, pressing blocks, a guide shaft, nuts, an adjusting sleeve, fastening bolts, bearings, end covers and limiting springs, wherein the cross section of the fork is of a U-shaped structure, threaded holes are formed in the left end and the right end of a transverse plate of the fork, U-shaped clamping grooves are formed in the lower ends of vertical plates on two sides of the fork, the vertical plates on two sides of the fork are connected with the guide shaft through the nuts, the right side of the guide shaft is connected with the adjusting sleeve in a threaded connection mode, a pressing block is arranged on the left side of the adjusting sleeve, the pressing block is connected with the end covers through two groups of fastening bolts, two groups of clearance cutters are arranged between the pressing blocks and the end covers, the end covers are connected with the guide shaft through bearings, the left side of the end covers is provided with the limiting springs, and the left ends of the limiting springs are connected with the inner walls of the vertical plates on the left side of the fork; Therefore, based on the above search and in combination with the prior art, in order to maintain the loading capacity of the pavement, the width of the pavement joint is usually designed to be narrower, but in the patent, it is difficult to ensure that the clearance knife can accurately enter the gap every time in the moving device, and when the position of the clearance knife is adjusted, the clearance knife is easy to rub with the pavement, so that the clearance knife is worn, the clearance depth and the quality are uneven, the overall effect of clearing the pavement joint is affected, and the service life of the clearance knife is reduced. Disclosure of utility model The utility model aims to provide a concrete pavement joint cleaning machine, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a concrete pavement joint cleaning machine, includes the support frame, the top fixed mounting of support frame has the pushing grip, one side fixed mounting of support frame has the mounting bracket, the bottom fixed mounting of mounting bracket has the movable wheel that is used for driving the device, the support frame is kept away from the movable wheel one side and is installed the digger that is used for the joint cleaning, the guide structure that is used for guiding the digger to get into the joint is installed to the both sides of digger; The guide structure comprises a fixing rod, the fixing rod is fixedly arranged at the top end of the supporting frame, an adjusting rod is rotationally connected to the center of the fixing rod, a connecting piece is fixedly arranged at the bottom end of the adjusting rod, a guide wheel used for guiding is rotationally arranged in an inner cavity of the connecting piece, an expanding structure used for controlling the expansion of the cutter is fixedly arranged in the inner cavity of the guide wheel, the expanding structure is fixedly connected with the cutter, and when the guide wheel is used for guiding operation, the cutter is driven to shrink to the inner cavity of the guide wheel by the expanding structure, so that abrasion to the cutter is reduced. As a further scheme of the utility model, the expanding structure comprises an air bag, the air bag is fixedly arranged in an inner cavity of the guide wheel, a plurality of moving blocks for driving the digging cutter to move are fixedly arranged on the outer wall of the air bag, moving rods are fixedly arranged at two ends of each moving block, and one end of each moving rod is fixedly connected with the digging cutter. As a still further scheme of the utility model, limiting plates are rotatably arranged at both sides of the air bag for limiting the moving range of the moving rod, a plurality of limiting grooves for providing the moving of the moving rod are formed in the inner cavity of each limiting plate, and the moving rod is positioned in each limiting groove. As still further scheme of the utility model, the inner cavity of the adjusting rod is fixedly provided with an air injection pipe, one end of