KR102390785B1 - Grinding machine for combining excavators with excellent usability - Google Patents

Abstract

In accordance with the present invention, provided is a grinding machine for excavator combination with excellent usability. In the case of an existing grinding machine, due to difficulty in performing grinding work in response to a slope angle of a grinding surface, a worker needs to perform manual grinding work for a wall or ceiling by using a grinder in most cases, which can lead to the consumption of a large amount of labor costs, and also, work progress can become slow because the worker can have high pressure on his or her arms due to tight contact with the grinding surface during the manual grinding work, and, in particular, when a wall or ceiling on a high position needs to be ground, there can be difficulty in the work due to fragments, motes and fine dust blown to the body of the worker and scattered to surroundings, and also, a poor working environment can be formed because the worker has to wear protection equipment such as a dustproof outfit and a mask. In order to solve these issues, the grinding machine comprises a first hinge rotation part (10), a second hinge rotation part (20), a grinding body part (30) and a grinding control part (40), thereby grinding a part requiring grinding work such as a wall surface, an inclined surface, a ceiling surface as well as the surface of the ground by easily rotating a grinding blade in response to the part; minimizing dust, fragments and the like produced during grinding work, and, in particular, preventing fragments and dust from being blown to workers and the grinding machine during grinding work on a ceiling surface or a wall surface, which can lead to an improvement in a working environment; and preventing mechanical errors and malfunction on the grinding machine.

Description

Grinding machine for combining excavators with excellent usability {GRINDING MACHINE FOR COMBINING EXCAVATORS WITH EXCELLENT USABILITY}

The present invention facilitates the grinding work in response to the position and angle of the grinding surface, minimizes the scattering of dust or debris generated during grinding, and collects it separately by suction. It relates to a grinding machine for combining an excellent excavator.

As a building is built and the wall surface is used, it is finished in various forms such as paint painting, wallpaper finish, tile finish, etc. For reasons such as the end of the lifespan of the surface or re-construction due to a change in use or remodeling of a building, the surface is polished through a grinding machine so that the construction can be carried out smoothly.

However, in the case of a wall or ceiling, workers often have to grind manually using a grinder because it is difficult to grind in response to the angle of the inclined plane of the grinding surface.

In addition, when a worker grinds manually, a lot of force is applied to the arm and the work speed is slow as it has to be in close contact with the grinding surface. There was a problem in that the work environment was poor because the work had to be done while wearing protective equipment such as dust-proof clothes and masks.

Republic of Korea Patent Publication No. 10-2146615 (Registered on August 13, 2020)

In order to solve the above problems, in the present invention, it is possible to grind easily by rotating the grinding blade in response to parts requiring grinding, such as not only the ground, but also the wall, inclined surface, and the ceiling surface. In particular, when grinding the ceiling and wall surfaces, it is possible to improve the working environment by preventing dust and debris from pouring into the workers and grinding equipment, and to prevent mechanical errors and failures of the grinding equipment. An object of the present invention is to provide an excellent grinding machine for coupling to an excavator.

In order to achieve the above object, a grinding machine for combining an excavator excellent in usability according to the present invention

A first hinge rotation part coupled to and supported by the excavator arm, and a second hinge rotation part rotating shaft coupled to one side of the front side to first rotate the grinding body part and change the direction;

A second hinge rotating unit having one rear side coupled to and supported by the first hinge rotating unit, and rotating the grinding body unit rotationally coupled to the front side side to change the direction by rotating the grinding body unit secondarily;

With a cylindrical frame structure, the grinding body part converts the hydraulic energy of the excavator arm into rotational energy to grind the contact surface;

It is achieved by being located in the excavator cab and being composed of a grinding control unit that controls the first hinge rotating part, the second hinge rotating part, and the grinding body part as a whole.

As described above, in the present invention, it is possible to grind easily by rotating the grinding blade in response to parts requiring grinding, such as a wall surface, an inclined surface, and a ceiling surface, as well as the ground surface, and dust, debris, etc. generated during grinding Minimizes scattering, and improves the working environment of workers by preventing dust and debris from spilling onto the operator and grinding equipment, especially when grinding the ceiling and walls There are good things you can do to prevent that.

1 is a perspective view showing the overall shape of a grinding machine for combining an excavator excellent in usability according to the present invention;
2 is a block diagram showing the components of a grinding machine for combining an excavator excellent in usability according to the present invention;
3 is a perspective view showing the overall shape of the grinding machine for preventing dust according to the present invention;
Figure 4 is a perspective view showing a dust collecting hose and a water supply hose are combined in the grinding machine for preventing dust according to the present invention, and projecting the inside of the grinding body;
5 is an exploded perspective view showing the components of the grinding body according to the present invention by disassembling;
6 is a perspective view showing a shape in which the dust collecting unit is connected to the grinding body according to the present invention;
7 is a perspective view showing a shape in which a water spray unit is connected to a grinding body according to the present invention;
8 is a bottom view showing the components of the inner lower surface of the grinding body according to the present invention;
9 shows a cross section of the grinding body according to the present invention, the rotating plate is rotated, the dust collecting unit forms a suction force, and the rotating brush unit is rotated by an arrow, and an enlarged view of the water jetting unit spraying water One partial enlargement,
10 is an exploded perspective view showing the disassembled shape in which the grinding protrusion and the protrusion fixing pin are respectively inserted into the slide groove having a radial structure on the bottom surface of the rotating plate according to the present invention;
11 is an exploded perspective view showing the disassembled rotary blade coupled to the radial structure of the rotating plate plane according to the present invention, and disassembled the shape in which the grinding protrusion and the protrusion fixing pin are inserted into the bottom slide groove;
12 is an embodiment diagram showing the components of the rotary brush unit according to the present invention, and showing a state in which it is raised and lowered in the vertical direction;
13 is an embodiment view showing a state in which a grinding machine for preventing dust is coupled to an excavator according to the present invention to grind the ground;
14 is an embodiment view showing a state in which a grinding machine for preventing dust is coupled to an excavator according to the present invention to grind a wall surface;
Figure 15 is an embodiment view showing a state in which the grinding machine for preventing dust is coupled to the excavator according to the present invention to grind the ceiling surface.

Hereinafter, preferred embodiments according to the present invention will be described with accompanying drawings.

1 is a perspective view showing the overall shape of a grinding machine for combining an excavator with excellent usability according to the present invention, and the grinding machine for dust prevention 1 is a first hinge rotating part 10, a second hinge rotating part 20, a grinding body It is composed of a unit 30 and a grinding control unit 40 .

First, the first hinge rotating part 10 according to the present invention will be described.

The first hinge rotating part 10 is coupled to and supported by the excavator arm, and the second hinge rotating part is coupled to the front side of the rotating shaft to rotate the grinding body and change the direction.

The rear one side is coupled to the end of the excavator arm, the second hinge rotating part 20 coupled to the front side is rotated in the horizontal direction based on the rotation axis, and the grinding body part 30 connected to the second hinge rotating part is rotated in the horizontal direction 1st rotation with

Next, the second hinge rotating part 20 according to the present invention will be described.

The second hinge rotating part 20 is supported by being coupled to the rear one side of the first hinge rotating part, and the grinding body part is rotated shaft-coupled to the front one side, thereby rotating the grinding body part secondarily and changing the direction.

In this case, the rear one side is coupled to the first hinge rotating part 10, the grinding body part 30 coupled to the front one side rotates in the horizontal direction based on the rotation axis, and the grinding body part 30 is rotated in the up and down directions 2 turn the car

The first hinge rotating unit 10 and the second hinge rotating unit 20 according to the present invention are connected and controlled by wire/wireless connection with the grinding control unit 40, and perform a joint role with a double rotating shaft structure, and the grinding body unit 30 ) to smoothly control the grinding direction in contact with the bottom surface.

In this case, the operator controls the excavator arm inside the excavator driver's seat, and controls the first hinge rotating part 10 and the second hinge rotating part 20 to control the grinding direction of the bottom grinding surface of the grinding body part 30.

Through this, it is possible to grind through an excavator in response to locations requiring grinding at various angles such as the ground, wall, ceiling, etc. can be improved with

Next, the grinding body 30 according to the present invention will be described.

The grinding body 30 has a cylindrical frame structure, and serves to grind the contact surface by converting hydraulic energy of the excavator arm into rotational energy.

It consists of a grinding unit 100 , a dust collecting unit 200 , a rotary brush unit 300 , and a water spray unit 400 .

The grinding unit 100 has a hollow cylindrical grinding housing supporting the upper outer circumference, a rotating plate is formed on the lower central rotation shaft of the grinding housing, and a plurality of protrusions are formed on the lower surface of the rotating plate, which is a grinding housing ( 110 ), a hydraulic motor unit 120 , and a rotating plate 130 .

The grinding housing 110 has a cylindrical hollow cover frame shape, the upper end of which is coupled to the rotation shaft of the second hinge rotating part, and serves to support the grinding part as a whole.

It supports the hydraulic motor unit 120 , the rotating plate 130 , and the rotating brush unit coupled therein, and is connected to the dust collecting unit 200 and the water spraying unit 400 .

In this case, the rotating plate is rotated by receiving power from the hydraulic motor unit to the housing formed while forming a certain interval around the rotating plate, the rotating brush unit coupled to the inside is rotated inward, and the dust collecting unit and the water spraying unit are driven.

Through this, the grinding surface is ground from the inside of the grinding housing, debris, dust, and fine dust generated due to grinding are collected, and water is sprayed on the part where the grinding is completed at the same time, so that the grinding surface is in contact with the rotating plate. It plays a role in preventing debris, dust and fine dust from scattering around.

The hydraulic motor unit 120 is fixed to the inner central upper end of the grinding housing, is connected to the hydraulic device of the excavator arm, converts hydraulic energy into rotational energy, and transmits rotational force to the rotating plate.

The rotating plate 130 has a circular plate structure and is coupled to the lower central rotating shaft of the hydraulic motor unit, a plurality of abrasive protrusions protrude from the lower end surface, and is rotated by receiving hydraulic rotational force.

The rotating plate 130 according to the present invention has a plurality of slide grooves formed at regular intervals in a radial structure based on the central axis of the lower surface of the rotating plate, and a grinding protrusion 131 and a protrusion fixing pin 132 in each slide groove 130a. ) is sequentially inserted in a slide manner, the bolt hole 130b is formed in the vertical upper direction of the protrusion fixing pin, and the fixing bolt is inserted into the bolt hole so that the protrusion fixing pin 132 is coupled.

Here, the abrasive protrusion 131 has a rectangular pin shape, grooves are formed on the upper left and right sides, and the lower protruding surface is an abrasive pin having excellent wear resistance, and is detachably attached to the slide groove 130a in a sliding manner.

Here, the protrusion fixing pin 132 has grooves formed on the upper left and right sides, and a bolt hole 130b that passes through the rotating plate 130 at the upper center and coincides in the vertical direction is formed.

This is coupled in such a way that the abrasive protrusion 131 and the protrusion fixing pin 132 are respectively inserted into the slide groove 130a arranged in a radial structure, and the protrusion fixing pin is bolted to a bolt hole penetrating in the direction of the top surface of the rotating plate. When the grinding projections are worn or damaged, the individual grinding projections can be easily replaced, reducing replacement costs, and facilitating maintenance and repair.

At this time, the bolt hole 130b is formed in the direction of the top surface of the rotating plate to prevent the bolt from being exposed to the grinding surface on which the rotating plate is ground, thereby preventing the bolt from being damaged.

In addition, the rotating plate 130 according to the present invention has a radial structure with respect to the central axis of the top surface of the rotating plate, and a wing frame portion 133 to which a triangular frame having a plurality of inclination angles is coupled at regular intervals is formed.

Here, the wing frame part 133 is coupled to the upper surface of the rotating plate in a radial arrangement to form a vortex inside the grinding housing according to the rotation of the rotating plate, and small fragments, dust, and fine particles generated when the rotating rotating plate and the grinding surface are in contact. It serves to suck dust, etc. into the grinding housing.

Through this, it is possible to minimize the discharge of small fragments, dust, fine dust, etc. generated when grinding the grinding surface to the outside of the grinding housing, thereby improving the surrounding working environment during grinding.

The dust collecting unit 200 has a dust collecting body coupled to one side of the excavator, and a dust collecting hose is connected to a through hole through a symmetrical structure on one side of the top surface of the grinding housing to generate a suction force inside the grinding unit, which serves to collect dust It is composed of a hose 210 , a dust collecting tank body 220 , and a dust collecting and collecting unit 230 .

The dust collecting hose 210 has a bellows structure connected to a dust collecting through-hole symmetrically formed on one side of the upper surface of the grinding housing to form a suction force of the dust collecting tank body inside the grinding housing in a hose shape.

This is a bellows structure so that the length and angle can be smoothly varied in response to the position control of the excavator arm and the angle control of the first hinge rotating part and the second hinge rotating part, and dust collection can be made.

The dust collecting tank body 220 is a housing that is coupled to one side of the upper end of the excavator body, the upper end has a cylindrical structure, and the lower end has an inverted truncated cone structure. It forms a cyclone suction power and plays a role in discharging clean air.

The dust collecting and collecting unit 230 is a rectangular case formed at the lower end of the dust collecting tank body, and serves to receive the dust and debris that are sucked through the vortex of the downward spiral structure inside the dust collecting tank body and descend.

The dust collector 200 according to the present invention forms a suction force inside the grinding housing in a cyclone dust collection method to collect debris, dust, and fine dust, and impurities heavier than air form a vortex inside the dust collection tank body and descend to collect the dust It is collected in the air conditioner, and the clean air rises from the center of the bottom and is discharged.

Through this, it is possible to continuously inhale fragments, dust, and fine dust generated in large amounts during grinding of the grinding surface.

The rotary brush unit 300 is arranged at regular intervals so as to form a right angle with the center of a plurality of rotary brushes on one side of the inner lower periphery of the grinding housing, and serves to rotate in the inner center direction, which is the brush rotation driving unit 310, the brush It is composed of a movement driving unit 320 .

The brush rotation driving unit 310 has rotating brushes spaced apart from each other at regular intervals before, after, left, and right around the rotating plate, a driving motor is connected to each rotating brush, and receives the rotational force of the driving motor in an inward direction. rotated

This causes the plurality of rotating brushes 311 arranged to be spaced apart from each other on the circumference of the rotating plate 130 to be rotated inwardly based on the center of the rotating plate, respectively.

As a result, impurities such as debris, dust, and fine dust generated when the rotating plate 130 is rotated in contact with the grinding surface are wiped inside the grinding housing to minimize the generation of fragments, dust, and fine dust outside the grinding unit.

The brush movement driving unit 320 is a transfer table shape coupled to the left and right sides of the brush rotation driving unit, reciprocating in up and down directions, and serves to protrude and insert the rotating brush.

As shown in FIG. 12 , the brush rotation driving unit 310 and the rotating brush 311 reciprocate in the up and down directions under the control of the grinding control unit 40 .

At this time, when the brush movement driving unit 320 is moved to the bottom, the rotary brush 311 is positioned so that it approaches or comes into contact with the grinding surface along the circumference of the rotary plate. When the use state of the rotating brush unit 300 that sweeps dust and fine dust toward the inside of the grinding housing is formed, and the brush movement driving unit 320 is moved to the top, the rotating brush 311 is spaced apart from the grinding surface and the rotating brush unit (300) to form an unused state.

Here, when the brush movement driving unit 320 is moved closer to the grinding surface, it can be removed by strongly sweeping the grinding surface to easily move dust and fine dust into the grinding housing, but the rotation brush wears out quickly, and grinding When moving away from the surface, the removal efficiency of dust and fine dust may be lowered, so that the operator can precisely control the grinding control unit to improve the efficiency of the rotary brush unit 300 .

Through this, it is possible to change the rotating brush part into a used state and an unused state according to the selection of the operator during the grinding operation.

The water spraying unit 400 has a water spraying module coupled to one side of the excavator, and a water spraying hose is connected to a spraying nozzle formed in a symmetrical structure by being inserted inwardly into one side of the top surface of the grinding housing to spray water inside the grinding unit. It serves to perform, which is composed of a water spray nozzle 410 , a water supply hose 420 , and a water storage tank 430 .

The water spray nozzle 410 has a nozzle shape formed symmetrically in the inward direction on one top surface of the grinding housing, and serves to inject water supplied from the water supply hose into the grinding housing.

This may change the spraying shape of the water sprayed from the water jetting type to the scattering jetting type step by step according to the control of the grinding control unit 40 .

Through this, in the case of a workshop with a lot of dust and fine dust scattered from the grinding surface, water is sprayed in the form of a scattering spray, and in the case of a workshop with a lot of scattered debris, water is sprayed in the form of a stream of water to the periphery of the grinding part. The generation of dust and fine dust can be minimized.

The water supply hose 420 has a shape of a hose connected to the water spray nozzles formed symmetrically at the front and the water storage tank at the rear, and serves to supply water supplied from the water storage tank to the water spray nozzles.

This is a bellows structure so that the length and angle can be smoothly varied in response to the position control of the excavator arm and the angle control of the first hinge rotating part and the second hinge rotating part, and dust collection can be made.

The water storage tank 430 is a cylindrical housing coupled to an upper end of the excavator body, and serves to store water and supply water through a water supply hose.

Next, the grinding control unit 40 according to the present invention will be described.

The grinding control unit 40 is located in the excavator cab and serves to control the first hinge rotating unit, the second hinge rotating unit, and the grinding body as a whole.

This can easily control the grinding direction of the grinding body part by rotating the first hinge rotating part and the second hinge rotating part, and controlling the dust collecting part, rotating brush part, and water spraying part respectively to rotate the rotating plate. , can effectively remove fine dust.

Hereinafter, the operation process of the grinding machine for combining the excavator excellent in usability according to the present invention will be described.

First, a first hinge rotating part, a second hinge rotating part, and a grinding machine for preventing dust comprising a grinding body part are coupled to the excavator arm, and a grinding control unit is connected to the excavator cab.

Next, by moving and rotating the excavator arm, the first hinge rotating part, and the second hinge rotating part, the lower end surface of the grinding body is controlled to abut in response to the grinding surface that needs grinding, such as the ground, wall, ceiling, etc.

Next, the dust collecting unit and the water spraying unit are driven.

Next, the plurality of rotary brushes of the rotary brush are rotated inwardly and moved so as to approach the grinding surface.

Next, the rotating plate is rotated to grind the surface that needs grinding, while collecting debris, dust, and fine dust, and spraying water to minimize the scattering of debris, dust, and fine dust to the outside of the grinding body.

Finally, when the grinding operation is finished, the driving of the grinding body is stopped, and the debris, dust, and fine dust collected in the dust collecting unit are discharged.

10: first hinge rotating part 20: second hinge rotating part
30: grinding body 40: grinding control unit
100: grinding unit 110: grinding housing
120: hydraulic motor 130: rotating plate
200: dust collection unit 210: dust collection hose
220: dust collection tank body 230: dust collection unit
300: rotation brush unit 310: brush rotation drive unit
320: brush movement driving unit 400: water injection unit
410: water spray nozzle 420: water supply hose
430: water storage tank

Claims (8)

A first hinge rotating part 10 that is coupled to and supported with an excavator arm, and a second hinge rotating part is rotated shaft coupled to one side of the front side to first rotate the grinding body and change the direction;
A second hinge rotating unit 20, the rear side is coupled to and supported by the first hinge rotating unit, and the grinding body unit is rotated shaft coupled to the front side side to rotate the grinding body unit secondarily and change the direction;
With a cylindrical frame structure, the grinding body 30 converts the hydraulic energy of the excavator arm into rotational energy to grind the contact surface;
In the excavator coupling grinding machine with excellent usability, which is located in the excavator cab and is composed of a grinding control unit 40 that controls the first hinge rotating part, the second hinge rotating part, and the grinding body as a whole,
The grinding body 30 is
A grinding unit 100 in which a hollow cylindrical grinding housing supporting the upper outer periphery is formed, a rotating plate is formed on the lower central rotating shaft of the grinding housing, and a plurality of protrusions are formed on the lower surface of the rotating plate;
A dust collecting body 200 is coupled to one side of the excavator, and a dust collecting hose is connected to a through hole through a symmetrical structure on one side of the upper surface of the grinding housing to generate a suction force inside the grinding unit 200;
A plurality of rotary brushes are arranged at regular intervals to form a right angle to the center on one side of the inner lower periphery of the grinding housing, and the rotary brush unit 300 rotates in the inner center direction;
A water spray module is coupled to one side of the excavator, and a water spray hose is connected to a spray nozzle that is inserted inwardly to one side of the upper surface of the grinding housing and formed in a symmetrical structure to spray water inside the grinding unit 400. A grinding machine for combining an excavator with excellent usability, characterized in that it is configured.
delete According to claim 1, The grinding unit 100
A grinding housing 110 having a cylindrical hollow cover frame shape, the upper end of which is coupled to the rotation shaft of the second hinge rotating part, and supporting the grinding part as a whole;
A hydraulic motor unit 120 fixed to the upper inner center of the grinding housing and connected to the hydraulic device of the excavator arm to convert hydraulic energy into rotational energy to transmit rotational force to the rotating plate;
A grinding machine for combining an excavator with excellent usability, characterized in that it is coupled to the lower central rotating shaft of the hydraulic motor unit in a circular plate structure, and is composed of a rotating plate 130 with a plurality of grinding protrusions protruding from the bottom surface and rotating by receiving hydraulic rotational force.
According to claim 3, The rotating plate 130 is
A plurality of slide grooves are formed at regular intervals in a radial structure based on the central axis of the lower surface of the rotating plate, and the abrasive protrusion 131 and the protrusion fixing pin 132 are sequentially inserted into each slide groove 130a in a slide manner. , An excavator coupling grinder with excellent usability, characterized in that a bolt hole (130b) is formed in the vertical upper direction of the protrusion fixing pin, and the fixing bolt is inserted into the bolt hole and the projection fixing pin 132 is coupled.
According to claim 3, The rotating plate 130 is
An excavator coupling grinding machine with excellent usability, characterized in that the wing frame part 133 is formed in which a triangular structure frame having a plurality of inclination angles in a radial structure based on the central axis of the upper surface of the rotating plate is coupled at regular intervals.
According to claim 1, wherein the dust collecting unit 200
A dust collecting hose 210 that forms a suction force of the dust collecting tank body inside the grinding housing in a hose shape with a bellows structure connected to a dust collecting through hole symmetrically formed on one side of the upper surface of the grinding housing;
It is a housing that is coupled to one side of the upper end of the excavator body, the upper end has a cylindrical structure, and the lower end has an inverted truncated cone structure. A dust collecting tank body 220 for discharging clean air, and
Excavator with excellent usability, characterized in that it is a rectangular case formed at the lower end of the dust collecting tank body, and is composed of a dust collecting unit 230 for accommodating the descending dust and debris by being sucked through a vortex of a downward spiral structure inside the dust collecting tank body. Grinding machine for bonding.
According to claim 1, wherein the rotary brush unit 300
The rotating brushes are arranged to be spaced apart from each other at regular intervals on the circumference of the rotating plate, and a driving motor is connected to each rotating brush, and the brush rotation driving unit 310 rotates inwardly by receiving the rotational force of the driving motor. Wow,
In the shape of a transfer table coupled to the left and right sides of the brush rotation drive unit, it reciprocates in the up and down directions and is composed of a brush movement drive unit 320 that protrudes and inserts the rotary brush. .
According to claim 1, wherein the water spraying unit 400
A water spray nozzle 410 that sprays water supplied from a water supply hose to the inside of the grinding housing in a nozzle shape formed symmetrically in the inward direction on one side of the top surface of the grinding housing;
A water supply hose 420 that is connected to the water spray nozzles formed symmetrically in the front and has a hose shape at the rear connected to the water storage tank, and supplies water supplied from the water storage tank to the water spray nozzles;
A grinding machine for combining an excavator with excellent usability, characterized in that it consists of a water storage tank (430) that stores water with a cylindrical housing coupled to one side of the upper end of the excavator body and supplies water through a water supply hose.

Images