KR20170110877A - Grout pump and grout injection system having the same - Google Patents

Abstract

The present invention relates to a grout pump and a grout injection system including the grout pump. According to an embodiment of the present invention, as one drive shaft reciprocates in a cylinder housing having a grout inlet and a grout discharge port, Therefore, the structure of the grout pump itself can be made compact, and the efficiency of the grout pump can be improved.
In addition, according to the operation of the switch in the grout injection system, the grout pump and the sensing unit for measuring the grout can be controlled together to improve the convenience of the grout injection operation, and it is possible to prevent inconveniences such as system down- There is an effect.
Further, since the data stored in the storage unit of the controller can not be modified or changed, the reliability of the grouting operation can be enhanced.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a grout pump and a grout injection system including the grout pump,

The present invention relates to a grout pump and a grouting system including the grout pump.

Generally, the grouting system mixes water and cement powder with a stirrer, uniformly stirs the mixture, and then supplies the injected material discharged from the stirrer to the ground through a pump.

At this time, the injection material should be smoothly injected into the ground, and the precise flow rate and pressure of the injection material injected into the ground must be controlled in order to obtain a predetermined injection effect. For this purpose, accurate flow rate and pressure of the injection material should be measured.

Conventionally, an integrating flow meter for graphically drawing the flow rate and pressure of a needle on a predetermined paper in an analog manner was used.

That is, the operator controlled the flow rate and the pressure while viewing the graph calculated by the integrated flowmeter.

However, since the operator manually controlled the flow rate and pressure of the injection material, there is a problem that the control can not be accurately performed.

Here, the conventional pump is composed of a pump for supplying the injection material at a predetermined flow rate and pressure, a motor for driving the pump, and a speed reducer formed between the pump and the motor.

That is, the user controls the flow rate and pressure of the injection material by controlling the speed reducer such as a continuously variable transmission.

In order to solve this problem, a bypass valve was designed to automatically control the pressure of the injection material, and the pump was driven at a maximum output to supply the injection material at a constant pressure.

That is, when the pressure of the injection material is checked and the pressure is higher than the set pressure, a grouting automatic control system has been developed in which the bypass valve is opened to return the injection material to discharge a constant pressure.

However, since the bypass function using the bypass valve reverses the injected injection material, the energy consumption of the pump is increased. In addition, the bypassed injection material is returned to the stirrer, and the workability of the injection material is lowered.

In addition, Korean Patent No. 10-0625333 discloses a 'grouting automatic management system' comprising a grout pump, an automatic valve, an electronic pressure gauge, an electronic flow meter, a PLC controller, and a notebook computer in Korean Patent No. 10-0625333 Lt; / RTI >

However, in the case of Korean Patent No. 10-0625333 mentioned above, the grout pump is turned on / off by the PLC controller, and the flow rate and pressure discharged from the grout pump are measured to open / close the automatic valve And the grout pump is turned to the high speed because it is difficult to follow the flow rate and the pressure because the structure is complicated and it is difficult to follow the flow rate and pressure. The energy efficiency is lowered, and the automatic valve is turned on / off at a high speed, thereby causing noise.

In addition, we collect data on a notebook computer and directly control the data collected from the PC program. However, it is difficult to control properly due to the delay time of the operating system, malfunction of the PC or malfunction of control due to program error or virus. There is a problem that is highly likely.

Accordingly, the present invention has been made in view of the above background and it is an object of the present invention to provide a grout pump which is compact and has a structure of grout pump itself because one drive shaft reciprocates in a cylinder housing in which a grout suction port and a grout discharge port are formed, So that the efficiency of the grout pump can be improved.

In addition, according to the operation of the switch in the grout injection system, the grout pump and the sensing unit for measuring the grout can be controlled together to improve the convenience of the grout injection operation, and it is possible to prevent inconveniences such as system down- It has its purpose.

Further, the data stored in the storage unit of the controller can not be modified or changed, thereby enhancing the reliability of the grouting operation.

The objects of the present invention are not limited thereto, and other objects not mentioned may be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a method of manufacturing an air conditioner, comprising: a cylinder housing having a grout suction port formed at one side thereof and a grout discharge port formed at a side thereof; And a rod reciprocatingly moved by the driving force of the driving unit at the inside of the cylinder housing, and an end portion of the rod is inserted into the hollow hole. When the rod moves toward the other side away from the grout suction port, the grout flows out through the grout discharge port, And a drive shaft including a piston in which a hollow hole is opened by a rod such that the hollow hole is closed by the rod and the grout is moved through the hollow hole when the rod is moved toward the grout suction port in one direction, Lt; / RTI >

A stirrer for generating a grout fed to the grout pump; A switch for applying an operating signal OS2 to the sensing section for measuring the grout discharged from the grout pump, and a switch for applying the operating signal OS2 to the sensing section for measuring the grout discharged from the grout pump; And a controller for controlling the operation of the grout pump and the discharge data of the grout inputted from the sensing unit to be stored or displayed on the display.

According to an embodiment of the present invention, as one drive shaft reciprocates within a cylinder housing having a grout suction port and a grout discharge port, suction and discharge of the grout are performed together, so that the structure of the grout pump itself can be compact , The efficiency of the grout pump can be improved.

In addition, according to the operation of the switch in the grout injection system, the grout pump and the sensing unit for measuring the grout can be controlled together to improve the convenience of the grout injection operation, and it is possible to prevent inconveniences such as system down- There is an effect.

Further, since the data stored in the storage unit of the controller can not be modified or changed, the reliability of the grouting operation can be enhanced.

1 is a view showing a structure of a grout pump according to an embodiment of the present invention.
FIG. 2 is a view showing the operation of the grout pump of FIG. 1;
3 is a block diagram of a grouting system in accordance with another embodiment of the present invention.
FIG. 4 is a view showing a controller having a display and an operation button for displaying discharge data of grout in the grouting system of FIG. 3;
5 to 7 are views showing screens displayed on the display of FIG.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals whenever possible, even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

1 is a view showing a structure of a grout pump according to an embodiment of the present invention. FIG. 2 is a view showing the operation of the grout pump of FIG. 1; 3 is a block diagram of a grouting system in accordance with another embodiment of the present invention. FIG. 4 is a view showing a controller having a display and an operation button for displaying discharge data of grout in the grouting system of FIG. 3; 5 to 7 are views showing screens displayed on the display of FIG.

As shown in these drawings, a grout pump 100 according to an embodiment of the present invention includes a cylinder housing 105 having a grout suction port 101 formed at one side thereof and a grout discharge port 103 formed at a side surface thereof; And a rod 109 is inserted into the hollow hole 111 while the rod 109 is inserted from the grout inlet 101 into the cylinder housing 105. The rod 109 is reciprocated by the driving force of the driving unit 107 inside the cylinder housing 105, The hollow hole 111 is closed by the rod 109 to allow the grout to flow through the grout inlet port 101 while the grout is discharged through the grout outlet port 103 and the rod 109 is connected to the grout inlet port 101 And a piston 117 having a hollow hole 111 opened by a rod 109 so that the grout is moved through the hollow hole 111 when moved in one direction, do.

The cylinder housing 105 is provided, for example, in the form of a hollow cylinder. The cylinder housing 105 has a grout inlet port 101 formed at one side thereof and a grout outlet port 103 formed at a side thereof.

For convenience of explanation, the direction in which the grout suction port 101 is formed with respect to the cylinder housing 105 of FIG. 1 is set as one side and the opposite side is set as the other side.

On the other hand, the grout intake port 101 of the cylinder housing 105 is gradually reduced in diameter from one side to the other side, and then communicates with the first space 113, which will be described later, while expanding its inner diameter.

With this structure, the grout inlet port 101 is formed so that the opening and closing member 121, which will be described later, which opens or closes the grout inlet port 101, is not separated from the inside of the cylinder housing 105 to the outside.

Subsequently, the drive shaft 119 includes a rod 109 and a piston 117.

The rod 109 reciprocates by the driving force of the driving unit 107 inside the cylinder housing 105.

The rod 109 inserted into the hollow hole 111 of the piston 117 to be described later is further protruded to the outside of the piston 117 and the engaging flange 137 formed at the distal end thereof have.

The engagement flange 137 functions to open and close the hollow hole 111 of the piston 117 while preventing the piston 117 from separating from the rod 109.

Of course, in order to limit the amount of movement of the piston 117, the rod 109 includes a support portion 139 which is formed at a position spaced apart from the engagement flange 137 by a predetermined distance.

Here, the distance between the engagement flange 137 and the support portion 139 is larger than the thickness of the piston 117. [

2 (b)). When the hollow portion 111 of the piston 117 is opened (see FIG. 2 (b)), the support portion 139 is moved so that the grout that has passed through the hollow hole 111 is moved through the support portion 139 And at least one through hole (not shown).

The end of the rod 109 is inserted into the hollow hole 111 of the piston 117. The piston 117 is inserted into the hollow hole 111 of the piston 117,

The piston 117 is reciprocally moved between the grout suction port 101 and the grout discharge port 103 in close contact with the inner peripheral surface of the cylinder housing 105.

As a result, the grout introduced through the grout suction port (101) flows out to the grout discharge port (103) in accordance with the reciprocating movement of the piston (117).

1 and 2 (c), when the rod 109 is moved in the other direction away from the grout inlet 101, the operation of the rod 109 and the piston 117 will be described. The piston 117 (by the engagement flange 137 of the rod 109) is connected by the rod 109 (more specifically, by the engagement flange 137 of the rod 109) so that the grout flows out through the grout discharge port 103 and the grout is introduced through the grout intake port 101. [ The hollow hole 111 is closed.

Conversely, as shown in FIGS. 1 and 2 (b), when the rod 109 is moved toward the grout inlet 101, the grout is moved to the rod 109 so as to move through the hollow hole 111 (More specifically by the engagement flange 137 of the rod 109) the hollow hole 111 of the piston 117 is opened.

The inner space of the cylinder housing 105 is partitioned by the piston 117 into a first space 113 communicating with the grout intake port 101 and a second space 115 communicating with the grout discharge port 103 May be explained.

1 and 2 (c), since the internal space of the cylinder housing 105 is partitioned into the first space 113 and the second space 115 by the piston 117, The grout is introduced into the first space 113 through the grout suction port 101 and the grout in the second space 115 is discharged to the grout discharge port 103 when the first suction port 109 moves away from the grout suction port 101 The hollow hole 111 of the piston 117 is closed.

As shown in FIGS. 1 and 2 (b), when the rod 109 is moved toward the grout inlet 101, the grout in the first space 113 moves to the second space 115 The hollow hole 111 of the piston 117 is opened.

On the other hand, the grout pump 100 includes an opening and closing member 121.

The opening and closing member 121 opens the grout suction port 101 when the rod 109 moves away from the grout suction port 101 and moves to the grout suction port 101 when the rod 109 is moved to the grout suction port 101, 101).

Here, the opening and closing member 121 is provided as a steel ball, for example.

The grout pump 100 includes a cushioning member 123 supported and fixed on the inner circumferential surface of the cylinder housing 105 so as to prevent abrasion and impact between the opening and closing member 121 and the inner circumferential surface of the grout inlet 101 .

The cushioning member 123 includes, for example, a wear-resistant bottom portion 125 supported on the inner circumferential surface of the grout inlet 101 from the inside of the cylinder housing 105; And a buffer side surface portion 127 extending from the edge of the wear-resistant bottom portion 125 and supported by the inner circumferential surface of the cylinder housing 105.

The abrasion proof bottom part 125 may be made of a steel material and the abrasion proof bottom part 125 may be formed of a metal such as a stainless steel or a stainless steel or the like so that the opening and closing member 121 opens and closes the grout inlet 101, 101 or the inner surface of the grouting inlet 101 caused by the collision between the inner surface of the opening 121 and the inner surface of the grouting opening 101.

The buffering side surface portion 127 may be formed of a plastic material and the buffer side surface portion 127 may be formed between the opening and closing member 121 and the inner circumferential surface of the cylinder housing 105 as the opening and closing member 121 opens and closes the grout intake port 101. [ Thereby preventing the noise generated by the collision of the motor.

The grout pump 100 is supported on the inner circumferential surface of the cylinder housing 105 by a predetermined distance from the grout inlet port 101 so as to limit the amount of movement of the opening and closing member 121 in the cylinder housing 105, (129).

The blocking member 129 includes at least one through hole 131 formed to pass through the grout.

As the opening and closing member 121 opens the grout inlet port 101 by the provision of the blocking member 129 having the through hole 131 formed therein, even if the grout enters the cylinder housing 105 through the grout inlet port 101, The amount of movement of the member 121 is limited and the introduced grout smoothly flows into the cylinder housing 105.

The grout pump 100 is connected to the rod 109 to be described later so that the grout in the cylinder housing 105 does not flow out to the other side of the cylinder housing 105, (133).

The sealing member 133 may have a cylindrical shape, for example, and a packing 135 may be formed on one or both sides of the sealing member 133.

In addition, the grout pump 100 includes a position sensing sensor 141 provided in the cylinder housing 105 to sense the limit position of the rod 109 for measuring the amount of reciprocation of the piston 117.

Here, the limit position of the rod 109 means the position of the rod 109 corresponding to the top dead center position of the piston 117 and the bottom dead center position of the piston 117.

The position sensor 141 may be a proximity sensor or a magnetic sensor.

Further, the grout pump 100 includes a flow meter 143 for measuring the flow rate of the grout discharged from the grout discharge port 103.

Of course, the grout pump 100 may include a hydraulic meter for measuring the hydraulic pressure of the grout flowing out from the grout discharge port 103.

Meanwhile, the grout injection system 300 according to another embodiment of the present invention includes an agitator 301 for generating grout supplied to the grout pump 100; A switch 305 for applying the operating signal OS1 to the grout pump 100 and applying the operating signal OS2 to the sensing unit 303 measuring the grout discharged from the grout pump 100; A controller 308 for controlling the display unit 307 to display the operation data (OD) of the grout pump 100 and the discharge data (DCD, discharge data) of the grout inputted from the sensing unit 303 309).

The agitator 301 generates a grout supplied to the grout pump 100.

Here, the explanation of the grout pump 100 is omitted because it can be referred to above.

The switch 305 applies the operating signal OS1 to the grout pump 100 and applies the operating signal OS2 to the sensing unit 303 for measuring the grout discharged from the grout pump 100. [

That is, as the operator operates the switch 305, the grout pump 100 and the sensing unit 303 operate simultaneously.

Here, the operating signal OS1 applied to the grout pump 100 and the operating signal OS2 applied to the sensing unit 303 may be a signal applied simultaneously or a signal sequentially applied at a predetermined time interval .

Such a switch 305 may be provided as an example of a limit switch.

Next, the controller 309 controls to display the operation data OD of the grout pump and the discharge data DSD of the grout inputted from the sensing unit 303 on the storage or display 307.

At this time, the grout discharge data DSD displayed on the display 307 includes at least one of discharge pressure data, discharge time data, and discharge flow rate data.

Of course, the discharge pressure data is measured by the hydraulic pressure meter 311 provided in the grout discharge port 103 of the cylinder housing 105 of the sensing part 303, and the discharge flow rate data is measured by the flow meter 143 of the sensing part 303 ), And the discharge time data can be calculated from the measured value of the flow meter 143.

On the other hand, the above-described discharge flow rate data is calculated based on the initial measurement data of the discharge amount of the grout discharged through the grout discharge port 103 when the rod 109 of the grout pump 100 reciprocates once between the limit positions .

That is, the discharge amount of the grout discharged through the grout discharge port 103 is measured in advance when the rod 109 of the grout pump 100 reciprocates once between the limit positions, and the measured amount is measured by the reference of the grout pump 100 And calculates the discharge flow rate data at the reference discharge flow rate in accordance with the operation data OD of the grout pump 100. [

Here, the operation data OD of the grout pump 100 can be calculated by the number of strokes counted based on one stroke in which the rod 109 reciprocates once between the limit positions.

The controller 309 includes a power switch 313, a data transfer unit 315 and a storage unit 317. The power switch 313 turns on / off the controller 309, 317 stores the operation data OD of the grout pump 100 and the discharge data DSD of the sensing unit 303. The data transfer unit 315 transfers the data stored in the storage unit 317 to the external storage And is electrically and data-connected to an external storage device so as to be transmitted to the device.

An example of the appearance of such a controller 309 is shown in Fig.

5 to 7 are diagrams showing an example in which the operation data OD of the grout pump 100 and the discharge data DSD of grout inputted from the sensing unit 303 are displayed on the display 307. FIG.

For example, the grout discharge pressure, discharge amount, discharge time, and the like at each work position NO are displayed on the 'work screen' of FIG. 5, and SITE, STATION, (Including operation data (OD) and ejection data (DSD)) stored in the storage unit 317 is displayed for each file in 'file management' in FIG.

5 to 7, data stored in the storage unit 317 for each file can not be modified.

As described above, according to the embodiment of the present invention, since one drive shaft reciprocates in the cylinder housing in which the grout suction port and the grout discharge port are formed, the suction and discharge of the grout are performed together, It is possible to construct a compact structure, and the efficiency of the grout pump can be improved.

In addition, according to the operation of the switch in the grout injection system, the grout pump and the sensing unit for measuring the grout can be controlled together to improve the convenience of the grout injection operation, and it is possible to prevent inconveniences such as system down- There is an effect.

Further, since the data stored in the storage unit of the controller can not be modified or changed, the reliability of the grouting operation can be enhanced.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

It is also to be understood that the terms such as " comprises, "" comprising," or "having ", as used herein, mean that a component can be implanted unless specifically stated to the contrary. But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Grout pump 101: Grout inlet
103: grout discharge port 105: cylinder housing
107: driving unit 109:
111: hollow hole 113: first space
115: second space 117: piston
119: drive shaft 121: open / close member
123: buffer member 125: wear-resistant bottom
127: buffer side part 129: blocking member
131: through hole 133: sealing member
135: packing part 137: engaging flange
139: Support part 141: Position sensor
143: Flow Meter 300: Grout Injection System
301: stirrer 303: sensing unit
305: Switch 307: Display
309: Controller 311: Hydraulic meter
313: Power switch 315: Data transfer unit
317:

Claims (11)

A cylinder housing having a grout suction port formed at one side thereof and a grout discharge port formed at a side surface thereof; And
A rod that reciprocates inside the cylinder housing by a driving force of a driving unit, and a rod which is inserted into the hollow hole and through which the grout is discharged when the rod moves toward the other side away from the grout suction port, And the hollow hole is opened by the rod so that the grout is moved through the hollow hole when the rod is moved to the one side in which the rod is moved toward the grout suction port so that the hollow is closed by the rod ;
Wherein the grout pump comprises: The method according to claim 1,
And an opening and closing member for opening the grout suction port when the rod moves to the other side away from the grout suction port and closing the grout suction port when the rod moves toward one side of the grout suction port. The method according to claim 1,
The piston,
Wherein the grout suction port is in close contact with the inner circumferential surface of the cylinder housing between the grout suction port and the grout discharge port and reciprocates. The method according to claim 1,
And a sealing member coupled to the rod and closely attached to the inner circumferential surface of the cylinder housing so that the grout in the cylinder housing does not flow out to the other side of the cylinder housing. The method according to claim 1,
And a position sensing sensor provided in the cylinder housing to sense a limit position of the rod for measuring reciprocating movement of the piston. The method according to claim 1,
And a flow meter for measuring a flow rate of the grout flowing out from the grout discharge port. The method according to claim 1,
And a hydraulic pressure gauge for measuring the hydraulic pressure of the grout flowing out from the grout discharge port. An agitator for producing a grout fed to the grout pump;
A switch for applying an operating signal OS1 to the grout pump and applying an operating signal OS2 to a sensing unit for measuring the grout discharged from the grout pump; And
A controller for controlling the operation of the grout pump and the discharge data of the grout inputted from the sensing unit to be stored or displayed on a display;
≪ / RTI > 9. The method of claim 8,
The grout pump includes:
A grouting system according to any one of claims 1 to 7, wherein the grouting pump is a grouting pump. 10. The method of claim 9,
Wherein the ejection data of the grout displayed on the display includes:
The discharge pressure data, the discharge time data, and the discharge flow rate data. 11. The method of claim 10,
The discharge flow rate data includes:
Wherein the grout pump is calculated on the basis of the measurement data obtained by measuring the discharge amount of the grout flowing out through the grout discharge port when the load of the grout pump reciprocates once between the limit positions.

Images