CN217479922U - Pavement cutting machine - Google Patents

Abstract

The utility model is suitable for a cutting machine technical field provides a road surface cutting machine, the on-line screen storage device comprises a base, install in the universal wheel with base bottom surface four corners and install the cutting machine main part on the base, still include straightening mechanism, through setting up straightening mechanism, when the workman promotes the cutting machine and cuts the operation to the road surface, accessible control drive unit, make two splint overturn relatively in a plurality of straightening units, the bottom of two splint is close to relatively, make the wheel of universal wheel inject between two splint, thereby make the universal wheel can straightly go forward all the time, and then guarantee the straightness accuracy to the road surface cutting gap.

Description

Pavement cutting machine

Technical Field

The utility model relates to a cutting machine technical field specifically is a road surface cutting machine.

Background

The road surface cutting machine is a tool for road maintenance and construction, is mainly used for cutting seams on road surfaces, is commonly used for cement road surfaces and asphalt road surfaces, has a cutting depth of a thin linear gap with the difference of 100mm-400mm, and is widely used in road construction.

When the existing road surface cutting machine works, a machine is usually manually pushed to move, the straightness of a road surface cutting gap is mainly determined by the proficiency of workers, when the proficiency of the workers is not enough, the phenomenon that the cutting gap is bent can occur, the cutting effect on the road surface is greatly influenced, and therefore, the existing technical problems are solved by designing a corresponding technical scheme.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road surface cutting machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a road surface cutting machine, includes the base, installs in the universal wheel with base bottom surface four corners and installs the cutting machine main part on the base, still includes straightening mechanism, straightening mechanism is used for prescribing a limit to the direction of motion of universal wheel, and straightening mechanism includes the drive unit of the same quantity of straightening unit and the synchronous function of a plurality of straightening units of drive with the universal wheel, straightening unit is including round pin axle, reset spring and a pair of splint, two splint symmetry sets up in the universal wheel both sides, and splint pass through round pin axle movable mounting on the bottom surface of base, and splint are located still installs reset spring between the both sides plate body of base, drive unit is arranged in two for a plurality of straightening units splint overturn relatively and provide power.

As a further aspect of the present invention: drive unit is including two promotion modules that the symmetry set up and be used for two synchronous pulley that promote power transmission between the module, promotion module includes pivot, two-way lead screw and dials the board, the pivot is rotated and is set up in the base, in two promotion modules the pivot is passed through the synchronous pulley transmission and is connected, and servo motor drive is passed through in one of them pivot, and the both ends of pivot are the symmetry still and are provided with two-way lead screw, two screw threads are revolved and are provided with the screw thread axle sleeve to the symmetry on the opposite screw thread cloth on the two-way lead screw, the fixed board of dialling that is provided with in bottom surface of screw thread axle sleeve, the splint activity is located two and dials between the board, and dial the movement track of board with the upset orbit of splint interferes mutually.

As a further aspect of the present invention: the pushing module further comprises a guide unit, the guide unit comprises a guide rod fixedly installed in the base and a plurality of sleeves movably installed on the guide rod, and the sleeves are fixedly connected with the threaded shaft sleeves.

As a further aspect of the present invention: still be provided with elevating system on the base, the cutting machine main part passes through elevating system movable mounting in the side of base, elevating system include the mount, rotate the screw rod that sets up in the mount and with screw rod complex swivel nut, the screw rod passes through motor drive, the swivel nut slides and sets up in the mount, and the fixed base that is provided with in side of swivel nut, the cutting machine main part is installed on the base.

As a further aspect of the present invention: still install the splashproof housing on the base, the splashproof housing is fan-shaped structure, and installs the shower head in the splashproof housing, the water tank has still been placed on the base and the pump body of being connected with the water tank, the shower head leads to pipe to be connected with the output of the pump body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up alignment mechanism, when the workman promoted the cutting machine to cut the operation to the road surface, accessible control drive unit for two splint overturn relatively in a plurality of alignment units, the bottom of two splint is close to relatively, makes the wheel of universal wheel inject between two splint, thereby makes the universal wheel can straight go forward all the time, and then guarantees the straightness accuracy of writing to the road surface cutting gap.

Drawings

FIG. 1 is a schematic view of an overall structure of a road surface cutting machine;

FIG. 2 is a side sectional view of a pavement cutting machine;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

in the figure: 1-base, 2-universal wheel, 3-cutting machine body, 4-pin shaft, 5-splint, 6-reset spring, 7-rotating shaft, 8-synchronous pulley, 9-bidirectional screw rod, 10-threaded shaft sleeve, 11-shifting plate, 12-guide rod, 13-sleeve, 14-fixed mount, 15-screw rod, 16-threaded sleeve, 17-base, 18-splash-proof housing, 19-pump body, 20-water tank, 21-spray head.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Example 1

Referring to fig. 1-3, a pavement cutting machine comprises a base 1, universal wheels 2 mounted at four corners of the bottom surface of the base 1, a cutting machine main body 3 mounted on the base 1, and a straightening mechanism for limiting the movement direction of the universal wheels 2, wherein the straightening mechanism comprises straightening units the same as the universal wheels 2 in number and driving units for driving a plurality of straightening units to operate synchronously, the straightening units comprise pin shafts 4, return springs 6 and a pair of clamping plates 5, the two clamping plates 5 are symmetrically arranged at two sides of the universal wheels 2, the clamping plates 5 are movably mounted on the bottom surface of the base 1 through the pin shafts 4, the return springs 6 are further mounted between two side plate bodies of the clamping plates 5 in the base 1, the driving units are used for providing power for the two clamping plates 5 in the plurality of straightening units to overturn relatively, and by arranging the straightening mechanism, when the workman promoted the cutting machine when cutting the operation to the road surface, accessible control drive unit, make two splint 5 upset relatively in a plurality of alignment units, the bottom of two splint 5 is close to relatively, make the wheel of universal wheel 2 be injectd between two splint 5, thereby make universal wheel 2 can straight advance all the time, and then guarantee the straightness accuracy to the road surface cutting gap, here, it is necessary to explain, when the bottom of two splint 5 is close to relatively to limit to universal wheel 2, the rotation of universal wheel 2 just can be guaranteed to the interval between two splint 5.

Wherein, drive unit is including two promotion modules that the symmetry set up and be used for two synchronous pulley 8 who promotes power transmission between the module, promote the module including pivot 7, two-way lead screw 9 and group board 11, pivot 7 rotates and sets up in base 1, in two promotion modules pivot 7 passes through synchronous pulley 8 transmission and connects, and one of them pivot 7 passes through servo motor drive, and the both ends of pivot 7 still symmetry is provided with two-way lead screw 9, it is provided with screw shaft sleeve 10 to go back the symmetry on two screw threads are revolved to opposite screw cloth on the two-way lead screw, the fixed board 11 of dialling that is provided with in bottom surface of screw shaft sleeve 10, splint 5 activity is located two and dials between the board 11, and dial the movement track of board 11 with splint 5's upset orbit interferes mutually.

The working principle is as follows: when the road surface is cut, the control motor rotates, the motor drives one of the rotating shafts 7 to rotate, under the transmission of the synchronous belt pulley 8, the other rotating shaft 7 rotates simultaneously, the two-way screw rod 9 connected with the rotating shaft 7 rotates simultaneously, when the two screw shaft sleeves 10 are relatively far away, the shifting plate 11 connected with the screw shaft sleeves 10 pushes the clamping plate 5 to rotate around the pin shaft 4, the bottom ends of the two clamping plates 5 limit the movement of the universal wheel 2, at the moment, the base 1 is pushed, the road surface can be cut straightly, after the cutting is completed, the control motor rotates reversely, at the moment, the two clamping plates 5 overturn reversely under the action of the reset spring 6, and the universal wheel 2 can normally turn.

In addition, promote the module and still include the guide unit, the guide unit includes guide bar 12 and the movable mounting a plurality of sleeves 13 on guide bar 12 of fixed mounting in base 1, sleeve 13 and threaded bush 10 fixed connection, the concrete setting of guide unit aims at leading the motion of threaded bush 10, avoids threaded bush 10 to take place along with the phenomenon of two-way lead screw 9 pivoted together.

Example 2

The embodiment is an improvement on the basis of the embodiment 1, and specifically comprises the following steps:

still be provided with elevating system on the base 1, cutting machine main part 3 passes through elevating system movable mounting in the side of base 1, and elevating system includes mount 14, rotates screw rod 15 that sets up in mount 14 and with screw rod 15 complex swivel nut 16, screw rod 15 passes through motor drive, swivel nut 16 slides and sets up in mount 14, and the fixed base 17 that is provided with in side of swivel nut 16, cutting machine main part 3 is installed on base 17, through setting up elevating system, can adjust the height of cutting machine main part 3 for this cutting machine can satisfy the cutting to the different degree of depth gaps, has improved the practicality of this cutting machine.

In addition, still install splashproof housing 18 on the base 17, splashproof housing 18 is fan-shaped structure, and installs shower head 21 in the splashproof housing 18, the pump body 19 of water tank 20 and being connected with water tank 20 has still been placed on the base 1, shower head 21 leads to pipe and is connected with the output of the pump body 19, through setting up splashproof housing 18, can not only play the guard action to cutting machine main part 3, can block sweeps and the stone that produce in the time of can cutting moreover, avoids the phenomenon that sweeps and stone splash everywhere, has improved the security when this cutting machine uses, and water tank 20, pump body 19 and shower head 21's setting can spray cutting machine main part 3 when cutting machine during operation, the phenomenon of raise dust appears when avoiding the gas cutting machine operation, has further improved the practicality of this cutting machine.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A road surface cutting machine comprises a base (1), universal wheels (2) arranged at four corners of the bottom surface of the base (1) and a cutting machine main body (3) arranged on the base (1), characterized in that the device also comprises a straightening mechanism, the straightening mechanism is used for limiting the movement direction of the universal wheel (2), the straightening mechanism comprises straightening units with the same number as the universal wheel (2) and a driving unit for driving a plurality of straightening units to synchronously operate, the straightening unit comprises a pin shaft (4), a return spring (6) and a pair of clamping plates (5), the two clamping plates (5) are symmetrically arranged at two sides of the universal wheel (2), the clamping plate (5) is movably arranged on the bottom surface of the base (1) through a pin shaft (4), a return spring (6) is also arranged between the two side plate bodies of the clamping plate (5) positioned in the base (1), the driving unit is used for providing power for the relative overturning of the two clamping plates (5) in the plurality of straightening units.

2. The pavement cutting machine according to claim 1, wherein the driving unit comprises two symmetrically arranged pushing modules and a synchronous pulley (8) for power transmission between the two pushing modules, the pushing modules comprise a rotating shaft (7), a bidirectional screw rod (9) and a shifting plate (11), the rotating shaft (7) is rotatably arranged in the base (1), the rotating shaft (7) in the two pushing modules is in transmission connection through the synchronous pulley (8), one of the rotating shaft (7) is driven by a servo motor, the two ends of the rotating shaft (7) are further symmetrically provided with the bidirectional screw rod (9), threaded shaft sleeves (10) are further symmetrically arranged on two threaded cloths with opposite thread directions on the bidirectional screw rod, the shifting plate (11) is fixedly arranged on the bottom surface of the threaded shaft sleeves (10), and the clamping plate (5) is movably arranged between the two shifting plates (11), and the motion track of the shifting plate (11) interferes with the turning track of the clamping plate (5).

3. The pavement cutting machine according to claim 2, characterized in that the pushing module further comprises a guiding unit comprising a guiding rod (12) fixedly mounted in the base (1) and a plurality of sleeves (13) movably mounted on the guiding rod (12), the sleeves (13) being fixedly connected with the threaded bushings (10).

4. The pavement cutting machine according to claim 1, characterized in that a lifting mechanism is further arranged on the base (1), the cutting machine main body (3) is movably mounted on the side surface of the base (1) through the lifting mechanism, the lifting mechanism comprises a fixed frame (14), a screw (15) rotatably arranged in the fixed frame (14) and a threaded sleeve (16) matched with the screw (15), the screw (15) is driven by a motor, the threaded sleeve (16) is slidably arranged in the fixed frame (14), a base (17) is fixedly arranged on the side surface of the threaded sleeve (16), and the cutting machine main body (3) is mounted on the base (17).

5. The pavement cutting machine according to claim 4, characterized in that a splash guard (18) is further installed on the base (17), the splash guard (18) is of a fan-shaped structure, a spray head (21) is installed in the splash guard (18), a water tank (20) and a pump body (19) connected with the water tank (20) are further placed on the base (1), and the spray head (21) is connected with an output end of the pump body (19) through a water pipe.

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