KR101750545B1 - Evenness device - Google Patents

Abstract

The present invention relates to a road leveling apparatus, and more particularly, it relates to a road leveling apparatus which can raise and lower a screw provided with a brush in a turning rod by using a cylinder, And to improve the operation efficiency of the road surface flattening apparatus.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a road leveling apparatus, and more particularly, it relates to a road leveling apparatus which can raise and lower a screw provided with a brush in a turning rod by using a cylinder, And to improve the operation efficiency of the road surface flattening apparatus.

Generally, the general soil layer is deformed when repeated wheel loads are applied. Therefore, a structure that prevents deformation due to the vehicle between the wheel and the soil layer is required. The structure is composed of several layers and is called a pavement layer.

The road paving method for forming the above-mentioned pavement layer is divided into a soft pavement and a rigid pavement according to the surface treatment type as described in Korean Patent Application No. 10-2005-0015083, and the representative method of the soft pavement is asphalt concrete pavement Ascon packaging), and concrete packaging is a representative method of rigid packaging.

The above-mentioned ascon pavement is a road pavement method which is most commonly applied because there are many technical know-hows in Korea because it is possible to pass the vehicle in a few hours after installation.

However, asbestos packaging is inherently vulnerable to high temperatures and static loads, and most of the package damage is in the form of permanent deformation such as rutting and surface warping. In addition, maintenance of maintenance such as repackaging every 5 years due to poor durability There is a problem in that the economic efficiency is poor.

It is known that the concrete pavement is superior in durability and maintenance cost compared with the ascon pavement, and there are various patching methods for the damage of the concrete pavement, and there is a method of overlaying the existing pavement on the existing concrete pavement surface, There is an unbonded overlay which installs asphalt between the pavement surface and the new pavement surface and then performs concrete overlaying.

Such a conventional concrete pavement is subjected to a finishing operation with a flattening device equipped with a screw rotated to select the surface after the pavement is completed. However, in the conventional planarizing apparatus, there is an inconvenience that the operator has to rotate the handle to rotate the handle so that the screw is moved up and down. Therefore, there is a problem that it is inconvenient to manually change the position of the screw.

The above-mentioned invention means the background art of the technical field to which the present invention belongs, and does not mean the prior art.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art,

A screw provided with a brush in a rotating rod constituting a flattening member using a flattening member, an elevating member, and a conveying member provided in the main body and the screw can be moved up and down by using the elevating member and can be moved through the conveying member, And it is an object of the present invention to provide a road leveling apparatus capable of solving an inconvenient problem of manually moving a screw using a handle and improving working efficiency.

In order to achieve the above object, a road leveling apparatus according to the present invention comprises:

main body;

A planarizing member including a screw provided in the main body, a support member for supporting the screw, and a driving member for rotating the screw;

A lifting member which is composed of a cylinder connected to the supporting member and a conveying panel fixed to one end of the cylinder and installed on a rail provided on the main body to move up and down the planarizing member to draw the screw to the lower portion of the main body;

A conveying member provided in the main body and moving the planarizing member back and forth in the longitudinal direction of the main body;

A vibration sensing member including a pivoting member coupled to both sides of the body so as to be pivotally hinged, and a vibrator provided at the end of the pivoting member; And

A vibrating member formed on the support member, a vibration generating member for vibrating the planarizing member, including a striking part provided on the vibration panel, and an elastic spring welded and fixed to the conveying shaft of the cylinder;

And a control unit.

As described above, according to the present invention,

And a conveying member for conveying back and forth, the screw constituting the flattening member is moved up and down, and the operator moves back and forth to directly move the place There is no need to improve the convenience of the work and shorten the construction time.

1 is a side view of a road leveling apparatus according to the present invention;
2 is a side cross-sectional view of a road leveling apparatus according to the present invention
Fig. 3 is a diagram showing the operating state of the road leveling apparatus according to the present invention
Fig. 4 is a block diagram of an embodiment of a road leveling apparatus according to the present invention
5 is a circuit diagram of a road leveling apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the digits of the tens and the digits of the digits, the digits of the digits, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

As shown in the drawings, a road leveling apparatus 10 (hereinafter referred to as a leveling apparatus for convenience of explanation) according to the present invention is a planarization apparatus for packing roads with concrete and then finishing or grinding the hardened concrete surface to maintain flatness The flattening device 10 includes a main body 20, a flattening member 30, an elevating member 40, and a conveying member 50.

The main body 20 is made of a metal material, and a handle 21 is provided at one side of the main body 20 so that an operator can move the handle. The main body 20 has a working space therein. 22 and a plurality of conveying wheels 23 are formed at a lower portion thereof.

The main body 20 is provided with a separate driving means including a belt and a motor for transmitting a driving force to the feeding wheel 23 so that the driving means is driven by an operator to move the main body And the gear 23 is formed with a gear to be fastened to the conveying wheel 23.

The upper and lower flat portions 30 are provided with a screw 31 disposed in an operating space of the housing main body 20, a support member 32 for supporting the screw 31, a driving member 33 for rotating the screw 31 ).

The screw 31 comprises a circular turning bar 311 and a screw blade 312 formed in the turning bar 311. The screw blade 312 is integrally formed with the turning bar 311 Or it can be fixed by welding.

At this time, the screw blade (312) formed on the screw (31) is made of a metal material or a resin material having elasticity.

The rotary member 311 of the screw 31 is rotatably shaft-engaged with the support member 32 having a U-shape, the drive member 33 is a motor, and the support member 32 Screwed or welded to rotate the rotating rod 311.

The elevating member 40 moves the flattening member 30 up and down to allow the screw 31 to be drawn out or drawn out through the operating hole 22. [

At this time, as shown in FIG. 1, the screw blade 312 of the screw 31 is pulled out through the operating hole 22 so as to be in contact with the ground, and the protruded ground is crushed and crushed to planarize.

The lifting member 40 includes a cylinder 41 connected to the support member 32 and a rail 24 fixed to one end of the cylinder 41 and formed above the operating space of the housing body 20 And a transfer panel 42 to be installed.

At this time, guide grooves 241 are formed on both sides of the rail 24, and a rail groove 421 is formed in the conveyance panel 42 so as to be inserted into the rail 24, A guide protrusion 422 is formed so as to be guided in the guide groove 241 and the cylinder 41 is fixed to the transfer panel 42 by welding or screwing.

The conveying member 50 is for conveying the flattening member 30 and the conveying member 50 is an operating cylinder for conveying the conveying panel 42. The operating cylinder is disposed on the inner surface of the main body 20, And the operation shaft of the conveying member 50 is welded or screwed to the conveying panel 42 of the conveying member 50. [

The control unit C is provided in the main body 20 to control the driving of the driving member 33, the cylinder 41 and the feeding member 50. The operator operates the control unit C, The cylinder, and the conveying member.

Here, the vibration sensing member 80 is further provided on both sides of the main body 20, and the vibration sensing member is mounted on the main body 20 such that the upper end thereof is hingedly rotated, And a vibrator 82 screwed or welded to the installation groove so that the vibration of the vibrator 82 is transmitted to the tilting member and the tilting of the end of the tilting member 81 By transmitting the vibration, the projected ground is crushed or crushed to planarize the ground. It is preferable that the pivoting member 81 is hinged on the side surface of the housing main body, and after the use is completed, the pivoting member 81 is pivoted upward and fixed by a separate latch (not shown).

First, the driving member 33 is driven to rotate the rotating rod 311, and the cylinder 41 is driven to rotate the rotating rod 311 And the ground surface is smoothened by the brush 312 of the rotating rod 311.

3, the conveying member 50 reciprocates and reciprocates in the direction of the arrow, so that the surface of the road is uniformly smoothed, It becomes possible to planarize.

4, the support member 32 is further provided with a vibration generating member 60, which vibrates the vibration panel 61 formed on the support member and the vibration panel 61, And a resilient spring 62 welded and fixed to a transfer shaft of the cylinder 41. A predetermined gap is formed on one surface of the operating groove 71 of the impact forming portion 70 An eccentric cam 731 for hitting the impact protrusion 72 and a motor 732 for rotating the eccentric cam 731 are formed on the inner side surface of the operation groove 71, The eccentric cam 731 is rotated by driving the motor 732 so that the vibrations transmitted through the impact protrusions 72 are transmitted to the rotating bar and the brush The surface of the road can be evenly trimmed by the rotating brush and the vibration transmitted. The impact forming portion 70 is fixed to the vibration panel 61 by welding or screwing.

Both ends of the elastic spring 62 are welded or screwed to the cylinder 41 and the bracket portion 32 so that vibration transmitted from the impact forming portion 70 is transmitted to the cylinder 41 .

 As shown in FIG. 5, the control unit provided in the main body controls operations of the planarizing member, the elevating member, and the conveying member through a control signal. Noise may be introduced into such a control signal due to various external factors such as influences by high frequency, interference by strong electric field of the power source, and external environment (temperature, humidity, dust, etc.).

The noise introduced into the control signal rapidly increases or decreases the voltage level of the control signal, causing unstable operation of each structure, and further, it may cause malfunction and failure.

In order to solve this problem, the present invention includes a signal generation module (100) for generating a control signal in a clean state from which the possibility of noise is excluded, thereby detecting and removing noise to be introduced into the control signal in advance, Operation control is enabled.

The signal generation module 100 of the present invention is characterized in that it detects and removes noise through various steps and re-detects whether noise of the control signal is included before the control signal is finally output.

Hereinafter, the signal generation module 100 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

(For the sake of convenience, it is not necessary to distinguish the names of the device units in the following description.) Therefore, it is preferable to deduce through the corresponding circuit including each element,

As shown in the figure, the signal generation module 100 includes a noise amplification unit 110 for amplifying a DC signal power, a noise detection unit 120 for detecting noise included in the amplified signal power, A filter driving unit 140 for driving the filter unit only at the time of noise detection, a signal generating unit 150 for generating a control signal from the signal power source from which noise has been removed, a signal for stabilizing and outputting the generated control signal, And an output unit 160.

The signal generating module 100 amplifies the DC signal power by the noise amplifying unit 110 so that the noise included therein is also amplified to facilitate detection, and the noise included in the signal power source amplified by the noise detecting unit 120 is detected The noise elimination process is performed only when the noise is detected through the filter driving unit 140, thereby preventing unnecessary power consumption and operation overload, and the signal generating unit 150 And generates a clean control signal from the signal power source from which noise has been removed. The signal output unit 160 confirms whether or not the signal is cleaned and outputs the clean signal.

Hereinafter, with reference to the drawings, a detailed description of each sub-structure of the signal generation module 100, a description of an operation process thereof, and an effect thereon will be described.

The noise amplifying unit 110 includes a first amplifying circuit 111 for first amplifying the signal power source and a second amplifying circuit 112 for secondarily amplifying the signal power.

The first amplifying circuit 111 and the second amplifying circuit 112 have the same structure and each have a distribution resistor R101 connected to the (+) terminals of the amplifiers A101, A102, A101, A feedback resistor R105 R106 and a capacitor C105 connected in parallel between the output terminal and the negative terminal of the resistors R102, R103 and R104, the capacitors C101 and C102 and the amplifiers A101 and A102, ) C106.

The operation and effects of the first amplifying circuit 111 and the second amplifying circuit 112 will be described by taking the first amplifying circuit 111 as an example. The amplifier A101 includes the dividing resistors R101 and R102, R106), and a grounding resistor to operate as a non-inverting amplifier to amplify the voltage level of the signal power supply, so that the noise is also amplified to facilitate detection of noise. At this time, the feedback capacitor C105 prevents the oscillation of the amplifier A101.

In the second amplifying circuit 112, the signal power is amplified through the same process.

The noise amplifier 110 is connected between the amplifier output terminal of the first amplifier circuit 111 and the amplifier (+) terminal of the second amplifier circuit 112, The signal is firstly amplified by the first amplifying circuit 111 and the output is amplified by the second amplifying circuit 112 so that the signal power is doubly amplified so that the noise can be easily detected.

Next, the noise detecting unit 120 includes a comparator 121, an applying circuit 122 connected to the (-) terminal of the comparator 121, and a reference circuit 123 connected to the (+) terminal of the comparator 121 .

More specifically, the application circuit 122 includes a DC component eliminating resistor R201 and a capacitor C201, which are arranged in series with each other, and a noise checking resistor R202.

The reference circuit 123 also includes bias resistors R203 (R204) (R205) arranged in parallel to each other to provide a reference voltage for noise determination.

The application circuit 122 receives the signal power amplified by the noise amplification unit 110 through a resistor R201 and a capacitor C201 via a direct current Removes the component and leaves only the noise component. Thereafter, a noise component is applied to the resistor R202.

Thereafter, the reference circuit generates a reference voltage by the bias resistors R203 (R204) and R205, and the comparator 121 compares the reference voltage with the noise voltage applied to the resistor R202 to detect whether or not noise is generated And a driving signal is transmitted to the filter driving unit 140 when the noise is detected to drive the filter unit 130 to remove the noise included in the signal power source and to transmit the non-driving signal to the filter driving unit 140 when no noise is detected The signal power is directly transmitted to the signal generating unit without driving the filter unit 130 without driving the filter unit 130. The selection of the transmission of the non- It may be different according to.

(The specific circuit configuration of the filter driver 140 is well known in the art, and a detailed description thereof will be omitted.

In addition, as shown in the figure, the noise detector 120 preferably further includes a delay circuit 124 for delaying a signal transmitted to the relay.

The delay circuit 124 includes a reverse diode D201 and a resistor R206 arranged in parallel with each other and a capacitor C202 connected in parallel thereto.

The life of the filter driver 140 can be extended through the provision of the delay circuit 124. Since the noise is generated intermittently instead of continuously and periodically, the filter driver 140 is driven and not driven It is preferable to extend the life of the filter driving unit 140 by driving the filter driving unit 140 continuously until a predetermined time elapses after the operation of the filter driving unit 140. [

Next, the filter unit 130 includes first through third filtering circuits 131, 132, and 133, each of which has an output terminal and an input terminal sequentially connected to each other.

The first filtering circuit 131 includes npn-type first and second transistors Q301 and Q302 having emitters and collectors connected to each other, and the first and second transistors Q301 and Q302 D301 and D302 and capacitors C301 and C302 which are arranged in parallel to each other are connected to one another and the base of the first transistor Q301 and the base of the second transistor Q302 are connected in parallel to each other. Two capacitors C303 and C304 and two resistors R303 and R304 in series with the capacitor C304 are connected.

The second filtering circuit 132 has the same structure as the first filtering circuit 131.

The third filtering circuit 133 includes two capacitors C305 and C306 arranged in parallel with each other and two resistors R305 and R306 connected in series with the capacitor C306, And the third filtering circuit 133 is provided with a reverse current prevention diode D303.

Since the noise can be removed in three stages through the filter unit 130 having the above-described features and features, noise can be removed more effectively than the noise filter of the related art, and a signal power source So that there is an advantage that additional commutation or DC conversion process is not required.

Next, the signal generator 150 includes a plurality of diodes D501 and D502 for providing a voltage drop for generating a control signal, a filtering inductor L501 connected in series with the diodes D501 and D502, And capacitors C501, C02, C503, and C504 connected in parallel to the inductor L501.

Although the two voltage drop diodes D501 and D502 are shown in the drawing, the voltage drop diodes D501 and D502 may be provided in a plurality of voltage drop diodes D502 and D502, respectively.

The operation and characteristics of the signal generator 150 will be described. The signal power source from which the noise is removed passes through the voltage drop diodes D501 and D502 and is converted into a voltage level suitable for the control signal. The generated noise is removed by the filtering inductor L501 and the filtering capacitors C501, C02, C503 and C504 to generate a clean control signal and transmit it to the signal output unit 160. [

Although the description of the additional elements constituting each circuit is omitted in the above description, it is possible to change the design according to the practice of the ordinary artisan.

While the present invention has been particularly shown and described with reference to the accompanying drawings, it is to be understood that the present invention is not limited thereto. Various modifications, alterations, and changes may be made by those skilled in the art. And substitutions are to be construed as falling within the scope of protection of the present invention.

10: planarization device 20:
30: planarizing member 40: elevating member
50: conveying member 60: vibration generating member
70: striking portion 80: vibration-sensing member
21: Handle 22: Operator
23: feed wheel 24: rail
241: Information home
31: screw 311:
312: Screw wing
32: support member 33: drive member
41: cylinder 42: transfer panel
421: rail groove 422: guide projection
61: Vibrating panel 62: Elastic spring
71: operating groove 72: striking projection
73: Stash forming member 731: Eccentric cam
732: Motor
81: Tilting member 811: Installation groove
82: Vibrator

Claims (4)

main body;
A planarizing member including a screw provided in the main body, a support member for supporting the screw, and a driving member for rotating the screw;
A lifting member which is composed of a cylinder connected to the supporting member and a conveying panel fixed to one end of the cylinder and installed on a rail provided on the main body to move up and down the planarizing member to draw the screw to the lower portion of the main body;
A conveying member provided in the main body and moving the planarizing member back and forth in the longitudinal direction of the main body;
A vibration sensing member including a pivoting member coupled to both sides of the body so as to be pivotally hinged, and a vibrator provided at the end of the pivoting member; And
A vibrating member formed on the support member, a vibration generating member for vibrating the planarizing member, including a striking part provided on the vibration panel, and an elastic spring welded and fixed to the conveying shaft of the cylinder;
, ≪ / RTI >

The main body further includes a control unit,
The control unit
A filter unit for removing the detected noise, a filter driving unit for driving the filter unit only when the noise is detected, a power supply for the signal for which the noise is removed, And a signal generation module having a signal generation section for generating a control signal from the control signal and a signal output section for confirming whether the generated control signal is cleaned,
Wherein the noise amplifying unit includes a first amplifying circuit for first amplifying the signal power source and a second amplifying circuit for secondarily amplifying the signal power,
The first amplifying circuit and the second amplifying circuit are respectively connected to the distribution resistors R101, R102, R103 and R104 connected to the (+) terminals of the amplifiers A101, A102, A101, A feedback resistor R105 R106 and a capacitor C105 C106 connected in parallel between the output terminal and the negative terminal of the capacitors C101 and C102 and the amplifiers A101 and A102, 1 amplifier circuit and the amplifier (+) terminal of the second amplifying circuit are connected to each other,
The noise detection unit includes a comparator, an application circuit connected to the (-) terminal of the comparator, and a reference circuit connected to the (+) terminal of the comparator. The application circuit includes a DC component removal resistor R201, (R205) for providing a reference voltage for judging noise, the bias resistors (R203) and the noise checking resistor (R202) being arranged in parallel with each other,
The first filtering circuit includes npn-type first and second transistors (Q301 and Q302) having emitters and a collector connected to each other, and the first and second filtering circuits are connected to each other through an output terminal and an input terminal, The switching diodes D301 and D302 and the capacitors C301 and C302 are connected in parallel to the base of the first and second transistors Q301 and Q302, Two capacitors C303 and C304 arranged in parallel with each other and between the base of the first transistor Q301 and the base of the second transistor Q302 and two resistors R303 and R304 in series with the capacitor C304, Lt; / RTI >
The second filtering circuit has the same structure as the first filtering circuit,
The third filtering circuit includes two capacitors C305 and C306 arranged in parallel with each other and two resistors R305 and R306 connected in series with a capacitor C306, A reverse current prevention diode D303 is provided between the third filtering circuits 133,
The signal generator includes a plurality of diodes D501 and D502 for providing a voltage drop for generating a control signal, a filtering inductor L501 connected in series to the diodes D501 and D502, and a diode D501, D502, and an inductor L501, (C501), (C502), (C503), and (C504) connected filtering capacitors. The method according to claim 1,
The impact forming portion of the vibration generating member
Further comprising a pair of spaced apart striking projections, an eccentric cam for striking the striking projections, and a striking member formed of a motor for rotating the eccentric cam. The method according to claim 1,
A guide groove is formed in the rail of the main body,
Wherein a rail groove is formed in the transfer panel of the elevating member so as to be inserted into the rail, and a guide protrusion is provided in the rail groove so as to be guided in the guide groove. delete

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