CN211036655U

CN211036655U - Concrete road surface joint cutting device

Info

Publication number: CN211036655U
Application number: CN201921447571.4U
Authority: CN
Inventors: 胡恩玮; 张培标; 邱成; 靳生斌; 魏冬
Original assignee: MCC Tiangong Group Corp Ltd
Current assignee: MCC Tiangong Group Corp Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-07-17
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a concrete pavement joint cutting device, which comprises a track, a mobile platform and a joint cutting machine, wherein the track comprises two parallel guide rails, and a reinforcing rod is arranged between the guide rails; the moving platform comprises a platform plate, and a traveling wheel matched with the track is arranged on the platform plate; the joint cutter comprises a power device, the power device is fixedly arranged on the platform plate, the output end of the power device is provided with a cutting blade, the cutting blade is vertically positioned on the side surface of the platform plate, the cut shrinkage joint is straight and toxic and controllable in depth through the arrangement of a measuring pay-off matching track, the detachable track transfer is simple, the joint cutting efficiency is high, and a large amount of labor is saved.

Description

Concrete road surface joint cutting device

Technical Field

The utility model belongs to the technical field of municipal works concrete road surface construction, especially, relate to a concrete road surface joint-cutting device.

Background

At present, in the construction of municipal road concrete pavements, the traditional concrete pouring process is mainly adopted for road construction. In concrete road surface construction, expansion joints, contraction joints and the like are generally required to be reserved in roads in order to better control the concrete quality. The cut joint of the concrete pavement is called 'shrinkage joint'. In the concrete setting and hardening process, a large amount of heat is released when cement is hydrated, so that the temperature of the concrete is increased; most of the cement hydration reactions are over and the concrete temperature begins to drop. In the cooling process, the concrete is already solidified and hardened, the concrete is cracked due to shrinkage caused by cooling, the directions of the cracks are random, and the pavement quality and the service life are seriously influenced. Therefore, the contraction joint is cut at the interval of 4-6 m in 8-12 hours after concrete pouring (before the temperature of the concrete pavement begins to decrease), and the cutting depth is about one third of the thickness of the pavement slab, so that the contraction crack of the concrete can be induced to be generated along the cutting joint, and random cracks are prevented. Then, asphalt or sealant is poured into the pavement contraction joint for sealing, so that rainwater, snow and water are prevented from entering the roadbed. Therefore, shrinkage cracks of the concrete pavement are inevitable. The shrinkage crack is cut, namely the position and the direction of the shrinkage crack of the concrete pavement are controlled in an inducing way. In concrete contraction joint construction, a seam pressing method is commonly used, but most of the concrete contraction joint construction adopts a seam sawing machine to saw a contraction joint. The straight shrinkage seam and the deep forming quality are difficult to ensure.

Disclosure of Invention

The utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model provides a concrete road surface joint-cutting device has simple manufacture, obtains with the material easily, easy operation, and the turnover rate is high, and the controllability is high, and the shrinkage joint is in the same direction as straight and degree of depth shaping quality is controllable.

In order to solve the technical problem, the utility model provides a concrete pavement joint cutting device, which comprises a track, a mobile platform and a joint cutting machine, wherein,

the track comprises two guide rails which are arranged in parallel, and a reinforcing rod is arranged between the guide rails;

the moving platform comprises a platform plate, and a traveling wheel matched with the track is arranged on the platform plate;

the joint cutter comprises a power device, the power device is fixedly arranged on the platform plate, a cutting piece is arranged at the output end of the power device, and the cutting piece is vertically positioned on the side face of the platform plate.

Preferably, the power device is an electric motor or a small diesel engine or a small gasoline engine.

Preferably, a height adjusting device is arranged between the moving platform and the slitting machine, the height adjusting device comprises a lower plate fixedly arranged on the platform plate and an upper plate fixedly arranged below the slitting machine, the lower plate and the upper plate are connected through bolts 12, each screw rod is matched with 3 nuts, and 2 nuts are arranged on the screw rods between the lower plate 8 and the upper plate 9.

Preferably, the guide rail is an angle steel, sleeves are welded on the inner sides of two ends of the angle steel, the sleeves of two adjacent angle steels are connected through a steel bar, and the guide rail is formed by connecting a plurality of angle steels.

Preferably, an anti-skid pad is arranged above the upper plate, and the power device is arranged on the anti-skid pad.

Preferably, a steel handrail is fixedly arranged on the upper plate.

Through the technical scheme, the utility model provides a pair of concrete road surface joint-cutting device, each spare part can make at the job site at construction unit common material, equipment, simple manufacture, through measuring the orbital setting of unwrapping wire cooperation, the straight poison in the same direction as, the degree of depth of the shrinkage joint of cutting out are controllable, and detachable track shifts simply, and the joint-cutting is efficient, practices thrift a large amount of manual works.

Drawings

Fig. 1 is a schematic structural diagram of a concrete pavement joint cutting device according to an embodiment of the present invention;

fig. 2 is a top view of a concrete pavement joint cutting device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a height adjusting device of a concrete pavement joint cutting device according to an embodiment of the present invention;

fig. 4 is a top view of a moving platform of a concrete pavement joint cutting device according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure of a track and a mobile platform of a concrete pavement joint cutting device according to an embodiment of the present invention;

fig. 6 is a side view of an angle steel rail of a concrete pavement joint cutting device according to an embodiment of the present invention;

fig. 7 shows a connection mode of the inner sleeve and the steel bar of the track of the joint cutting device for the concrete pavement according to the embodiment of the present invention;

in the figure:

1. concrete pavement 2, guide rail 3 and reinforcing rod

4. Platform plate 5, walking wheel 6 and power device

7. Cutting blade 8, lower plate 9, upper plate

10. Sleeve 11, steel bar 12, bolt

13. Non-slip mat 14, wedge-shaped block 15 and steel handrail

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 7, the utility model provides a concrete pavement joint cutting device, which comprises a track, a mobile platform and a joint cutting machine, wherein,

the track comprises two guide rails 2 which are arranged in parallel, a reinforcing rod 3 is arranged between the guide rails 2, it should be noted that the length of each guide rail 2 is greater than the width of the concrete pavement 1, two ends of each reinforcing rod 3 are respectively fixedly connected to the two guide rails 2, and preferably, a plurality of reinforcing rods 3 are arranged;

the mobile platform comprises a platform plate 4, wherein the platform plate 4 is provided with walking wheels 5 matched with the rails, the position of the walking wheels 5 is not limited, preferably, the number of the walking wheels 5 is 4, every two walking wheels are arranged on two sides of the platform plate 4 or two sides of the bottom surface of the platform plate 4, a support is further arranged on the further preferred platform plate 4, and the platform plate 4 and the walking wheels 5 are connected through the support;

the joint cutter comprises a power device 6, the power device 6 is fixedly arranged on the platform plate 4, the output end of the power device 6 is provided with a cutting blade 7, the cutting blade 7 is vertically positioned on the side surface of the platform plate 4, and the power device 6 drives the cutting blade 7 to rotate so as to perform joint cutting operation on the concrete pavement 1. Preferably, the power unit 6 is a motor, a small diesel engine or a small gasoline engine, and the power unit 6 may be selected according to the conditions of the construction site.

Preferably, a height adjusting device is arranged between the movable platform and the joint cutter, the height adjusting device comprises a lower plate 8 fixedly arranged on the platform plate and an upper plate 9 fixedly arranged below the joint cutter, the lower plate 8 and the upper plate 9 are connected through bolts 12, each screw rod is matched with 3 nuts, 2 nuts are arranged on the screw rods between the lower plate 8 and the upper plate 9, and the bolts 12 play roles of fixing and adjusting the height. It should be noted that, the utility model discloses do not limit to the material of upper plate 9 and hypoplastron 8, preferred be sheet steel and ABS board, the former material of drawing materials is easy, extensive applicability, the latter quality is little, and is light.

It is further preferred that a wedge block 14 is provided between the upper plate 9 and the lower plate 8 to assist the bolt 12 in adjusting the height between the upper plate 9 and the lower plate 8.

According to the preferable scheme, the guide rails 2 are angle steels, the inner sides of two ends of each angle steel are welded with the sleeves 10, preferably, the sleeves 10 are steel sleeves, the sleeves 10 of the adjacent angle steels are connected through the reinforcing steel bars 11, the angle steels are connected to form the guide rails 2, the guide rails 2 are arranged in sections, the adaptability is higher, and roads with different widths can be freely matched and combined to form tracks with proper lengths.

Preferably, a non-slip mat 13 is arranged above the upper plate 9, and the power device 6 is arranged on the non-slip mat 13.

In a preferable scheme, a steel handrail 15 is fixedly arranged on the upper plate 9, and an operator pushes the cutting machine and the moving device to move on the guide rail 2 through the steel handrail 15, so that the cutting operation of the concrete pavement 1 is completed.

The utility model provides a pair of concrete road surface joint-cutting device's manufacturing method, including the step:

s1: blanking angle steels, welding sleeves 10 on the inner sides of two ends of each angle steel, and welding reinforcing rods 3 between the two manufactured angle steels;

s2: blanking a steel plate, cutting a platform plate 4, welding a support on the platform plate 4 according to the width of a track, and mounting a travelling wheel 5 on the support;

s3: cutting and manufacturing an upper plate 9 and a lower plate 8, forming holes in the upper side edges of the upper plate 9 and the lower plate 8, fixing the lower plate 8 on the platform plate 4, fixing the upper plate 9 below the power device 6, connecting the upper plate 9 and the lower plate 8 through bolts 12, and arranging 2 nuts on the screws between the upper plate 9 and the lower plate 8;

s4: a steel handrail 15 and a non-slip mat 13 are fixedly arranged on the upper plate 9.

The utility model provides a pair of concrete road surface joint-cutting device's application method, including the step:

s1: conveying a concrete pavement joint cutting device to the site, measuring the flatness of a concrete pavement 1, measuring and paying off the poured concrete pavement 1, determining the position and the interval of a pavement contraction joint, and laying and adjusting the height and the flatness of a track;

s2: placing the moving platform on the track, and adjusting the flatness of the joint cutter by using a horizontal ruler matched with bolts 12 on the upper plate 9 and the lower plate 8;

s3: controlling a joint cutting machine to perform joint cutting on the concrete pavement 1, removing the track after the joint cutting is finished, carrying to the next operation area to assemble the track, carrying the joint cutting machine to the track, and continuing the joint cutting operation;

s4: and after the joint cutting is finished, maintaining the concrete pavement 1, and filling joint materials at the joint cutting position after the maintenance is finished.

According to the conditions of construction site, a motor or a small diesel engine or a small gasoline engine is selected, materials are drawn and fed to manufacture each part, the parts are transported to the construction site for assembly, the arrangement of the measuring and paying-off matched track enables the cut shrinkage joint to be smooth, straight and toxic and controllable in depth, the detachable track transfer is simple, the joint cutting efficiency is high, a large amount of labor is saved, the construction efficiency is high, and the cost is low.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A concrete pavement joint cutting device is characterized by comprising a track, a moving platform and a joint cutting machine, wherein,

2. The concrete pavement slitting device according to claim 1, wherein the power unit is an electric motor or a small diesel engine or a small gasoline engine.

3. The slitting device for concrete pavement according to claim 2, wherein a height adjusting device is arranged between the moving platform and the slitting machine, the height adjusting device comprises a lower plate fixedly arranged on the platform plate and an upper plate fixedly arranged below the slitting machine, the lower plate and the upper plate are connected through bolts 12, each screw rod is matched with 3 nuts, and 2 nuts are arranged on the screw rods between the lower plate (8) and the upper plate (9).

4. The slitting device for concrete pavement according to claim 3, wherein the guide rails are angle steels, sleeves are welded to the inner sides of two ends of each angle steel, the sleeves of two adjacent angle steels are connected through reinforcing steel bars, and a plurality of angle steels are connected to form the guide rails.

5. The concrete pavement slitting device according to claim 4, wherein a non-slip mat is disposed above the upper plate, and the power device is disposed on the non-slip mat.

6. The concrete pavement slitting device according to claim 5, wherein steel handrails are fixedly arranged on the upper plate.