KR200493563Y1 - Remote supervisory apparatus for pit pump - Google Patents

Abstract

The present invention prevents safety accidents for workers by safely operating the reset button of the pit pump on the ground by the reset button of the pit pump placed in the ground, and increases the convenience of the worker by enabling the pit pump to be restarted easily from a distance. It relates to a remote control device of the pit pump whose structure is improved so that it can be used.
The present invention is fixed to the pit pump in the ground and arranged parallel to each other on the left and right sides, and a connecting member coupled to connect the first and second anchors, and forward and backward on the connecting member. Rack gears arranged to be movable and provided with operating devices that can contact the reset button of the pit pump when moving forward, and the first and second rack gears that are fixed to the pit pump and are arranged to be spaced apart on both left and right sides, and have slot holes in the front and rear sides, respectively. A supporter, a coater that is inserted into the slot hole, is provided to be movable forward and backward, and supports the lower portion of the rack gear, and is rotatably coupled to the first and second supports by a rotation shaft, and the rack gear and the gear are engaged with each other, and the outer side A pinion gear provided with a connecting rod for connection with a wire member, and a wire member for moving the rack gear forward by rotating the pinion gear when an operator pulls the pinion gear with one end connected to the connecting rod and the other end connected to the ground, and the It consists of a return means for returning the rack gear back to its original position after the reset operation using the operation tool of the rack gear is completed.

Description

Remote operation device of pit pump {REMOTE SUPERVISORY APPARATUS FOR PIT PUMP}

The present invention relates to a remote control device of the pit pump, and in particular, the reset button of the pit pump disposed in the ground safely operates the reset button of the pit pump from the ground to prevent safety accidents of the operator, and the pit pump conveniently from a distance. It relates to a remote operation device of the pit pump whose structure is improved so that it is possible to restart the operator to increase the convenience of the operator.

In general, the drainage pump pit is installed on the side of an underground storage tank that stores liquefied natural gas (LNG), and controls the level of groundwater flowing from around the underground storage tank to ensure stable operation of the LNG storage tank. It is a facility for.

When explaining the method of controlling the level of groundwater, a level switch is provided in the drainage pump pit installed at a depth of about 65 meters on the side of the underground storage tank, and the underground storage tank operates the storage tank through the operation of the level switch. Depending on the required height of the groundwater level, the low-water level operation and the high-water level operation are selectively performed.

When the operation is changed to low or high water level operation, the work of fastening the blind flange and other piping repair work inside the drain pump pit are performed at about 40 meters below the ground line (based on the ground line) of the drain pump pit.

As described above, for various tasks performed at 65 meters underground (based on the Ground Line) inside the drain pump pit, the worker installs many equipment such as oxygen masks, safety ropes, seat belts and air ports on the body, and then installs a vertical ladder. The work is performed by using it, and accordingly, it is easy to get tired, and the work efficiency decreases and there is a difficulty in securing space by performing work by relying on the body on a ladder.

In addition, the above-described work is difficult to rescue in a short time even if there is a risk to the safety of the worker inside the drainage pump pit, which is a closed space, and because the work must be performed deep underground, the mental state of the worker is unstable and afraid. There is a problem.

Therefore, when working within the drain pump pit, measures are required to improve the safety and work efficiency of workers.

As for the prior art related to the existing pit pump, Korean Utility Model Publication No. 20-2012-4419 "Inspection and maintenance device for drainage pump pit provided in an underground liquefied natural gas storage tank" (Publication date: 2012.06.21) As disclosed in, for the inspection and maintenance of the drainage pump pit and surrounding facilities installed on the side of an underground storage tank that stores liquefied natural gas (LNG) and controls the level of groundwater flowing in from the vicinity of the tank, the above Underground liquefaction that improves the efficiency of inspection and maintenance work and secures the safety of workers by installing a device that allows workers to move up and down inside the drain pump pit and a camera to observe the worker's condition from the outside. It relates to an inspection and maintenance device for a drain pump pit provided in a natural gas storage tank.

However, when the start of the existing pit pump is stopped, you must go down to the underground manhole where the pit pump is located and press the reset button for restart.

At this time, there was a risk of suffocation due to the presence of harmful gases and insufficient oxygen concentration in the underground manhole, and there is a risk of causing a safety accident of the worker and the avoidance of the worker.

Korean Utility Model Publication No. 20-2012-4419 "Inspection and maintenance device for drainage pump pit equipped in underground liquefied natural gas storage tank" (Publication date: 2012.06.21)

The present invention was devised to solve the above problems in consideration of the above problems, and its purpose is to safely operate the reset button of the pit pump on the ground to prevent safety accidents of workers and An object of the present invention is to provide a remote operation device of a pit pump with an improved structure so that the pit pump can be easily restarted from a distance, thereby increasing the operator's convenience.

The present invention to achieve the above object is fixed to the pit pump in the ground and arranged parallel to each other on the left and right side first and second fixings, and a connecting member coupled to connect the first and second fixings, the A rack gear disposed on the connecting member so as to be movable forward and backward, and provided with an operation device capable of contacting the reset button of the pit pump during forward operation, and the rack gear fixed to the pit pump and arranged to be spaced apart on both left and right sides, and slotted forward and backward The first and second supports each having a ball formed thereon, a coater that is provided to be movable forward and backward by being inserted into the slot hole and supports the lower portion of the rack gear, and the first and second supports are rotatably coupled to the first and second supports by a rotation shaft, and the rack The gear and the gear are engaged with each other and the pinion gear is provided with a connecting rod for connection with the wire member on the outside, and the pinion gear is moved forward by rotating the pinion gear when the operator pulls it because one end is connected to the connecting rod and the other end is connected to the ground. It characterized in that it comprises a wire member to move, and a return means for returning the rack gear to its original position after the reset operation using the operating tool of the rack gear is completed.

The connecting rod is an eye bolt screwed to one side of the pinion gear.

Further provided with a guide means for guiding the movement of the wire member, wherein the guide means is coupled to the guide holder fixed to the wall of the ground, and the wire member is in contact with the pulling and returning operation of the wire member It consists of a bearing member that is idle.

The return means is coupled to be wound on the rotation shaft, and when the pulling force of the wire member is removed, the rack gear is composed of a spring member that rotates the rotation shaft to return to its original position.

The return means is composed of an auxiliary connector provided on the other side of the pinion gear in the opposite direction of the connecting rod, and a return wire whose one end is connected to the auxiliary connector and located on the opposite side of the wire member and the other end is connected to the ground.

This design allows the operator to operate the reset button by pulling the wire member from the ground at a distance without having to re-start the pit pump into the manhole in the ground where there are dangerous factors such as harmful gases, so it is safe by reducing the risk factor for the operator. It can prevent accidents and has a useful advantage of increasing operator convenience.

1 is an exploded view showing the configuration of a remote operation device of the pit pump according to the present invention.
Figure 2 is a front view showing the combined state of Figure 1;
Figure 3 is a plan view of Figure 2;
Figure 4 is a view schematically showing the invention return means.
Figure 5 is a state diagram schematically showing a state in which the remote operation device of the pit pump according to the present invention is applied to the field.
Figure 6 is a view showing another embodiment of the return means of the present invention.

Hereinafter, a remote manipulation device of a pit pump according to the present invention will be described in more detail through detailed description of embodiments with reference to the drawings.

In describing the present invention, when it is determined that a detailed description of a related known technology or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention, and may vary according to a user's intention or custom. Therefore, the definition should be made based on the contents throughout the present specification. In addition, "including" a certain component means that other components may be further included rather than excluding other components unless otherwise stated.

The remote operation device of the pit pump according to the present invention will be described with reference to FIGS. 1 to 4, the first and second fixing units 110 and 120 fixed to the underground pit pump 10 and disposed parallel to each other on both left and right sides. And, a connection member 150 coupled to connect the first and second fixtures 110 and 120, and a reset button of the pit pump 10 disposed on the connection member 150 so as to be movable forward and backward, and in the forward operation (15) A rack gear 200 provided with an operation device 210 capable of contacting with, and fixed to the pit pump 10 and spaced apart on both left and right sides, and a slot hole 315 formed in front and rear, respectively. 1 and 2 supports 310 and 320, a coater 400 that is inserted into the slot hole 315 so as to be movable before and after and supports the lower portion of the rack gear 200, and the first and second supports 310 and 320 ) Is rotatably coupled to the rotation shaft 550, the rack gear 200 and the gear are engaged with each other, and a pinion gear 500 provided with a connecting rod 510 for connection with a wire member 600 on the outside, and one end of the The wire member 600 for moving the rack gear 200 forward by rotating the pinion gear 500 when a worker pulls the pinion gear 500 when the other end is connected to the ground and the other end of the After the reset operation using the operation tool 210 is completed, it includes a return means for returning the rack gear 200 back to its original position.

1 and 2, the first and second fixing units 110 and 120 are disposed to be spaced apart from each other in both left and right sides, and have one end fixed to the pit pump 10 in a bar shape.

The connection member 150 is coupled in a direction orthogonal to the first and second fixtures 110 and 120 and is composed of a fastening member such as a bolt or screw connecting the first and second fixtures 110 and 120.

In addition, the connecting member 150 performs a function of preventing the rack gear 200 from deviating from the downward direction.

The rack gear 200 has a structure in which a gear tooth meshed with the pinion gear 500 is formed on an upper portion, and an operation tool 210 protrudes at one end close to the reset button 15.

The rack gear 200 transmits a pressing force to the reset button 15 so that the operation tool 210 presses the reset button 15 to reset the pit pump 10 when moving forward.

One side of the first and second supports 310 and 320 is fixed to the pit pump 10, and surfaces facing each other on both left and right sides are arranged to stand in a vertical direction in parallel.

Each of the first and second supports 310 and 320 has slot holes 315 that are elongated in the front and rear directions, and coaters 400 that can move forward and backward are coupled to the slot holes 315.

The cotter 400 serves to support the lower portion of the rack gear 200 so as to prevent the rack gear 200 from being separated in the downward direction.

The connecting rod 510 employs an eye bolt screwed to one side of the pinion gear 500.

It is preferable that the present invention further includes a guide means for guiding the movement of the wire member 600.

The guide means is a guide holder 810 fixed to the wall of the ground, and a bearing that is coupled to the guide holder 810 and is in contact with the wire member 600 so as to idle when pulling and returning the wire member 600 It consists of a member 820.

As shown in FIG. 4, the return means is coupled to be wound around the rotation shaft 550, and when the pulling force of the wire member 600 is removed, the rack gear 200 returns to its original position. It consists of a spring member 710 that rotates 550.

In the present invention having such a configuration, when it is necessary to operate the reset button 15 due to a failure of the pit pump 10, as shown in Figs. 3, 4 and 5, the operator on the ground is a wire member ( When the other end of 600) is pulled in a gripped state, a pulling force is provided to the connecting rod 510 connected to one end of the wire member 600 to rotate the pinion gear 500 in one direction around the rotation shaft 550. .

When the pinion gear 500 is rotated in one direction, the rack gear 200 is moved forward by providing a forward movement force to the engaged rack gear 200 side.

While the operation tool 210 provided at one end of the rack gear 200 that is moved forward is operated forward toward the reset button 15, the pit pump 10 is restarted by pressing the reset button 15 of the pit pump 10. .

When the pinion gear 500 rotates in one direction, the pressure is transmitted to the spring member 710 of the return means wound on the rotation shaft 550, and the wire member 600 is pulled due to the restart of the pit pump 10. When the force is removed, the pressure applied to the spring member 710 disappears, and as shown in FIG. 4, the rotation shaft 550 is returned and rotated in the other direction by the elastic restoring force of the spring member 710. The rack gear 200 is moved backward to return it to its original position.

Accordingly, the present invention manipulates the reset button 15 by pulling the wire member 600 from the ground at a distance without the need for the operator to restart the pit pump 10 to enter the manhole of the ground where there is a risk factor such as harmful gas. Therefore, it is possible to prevent safety accidents by reducing the risk factors of the worker, and has a useful advantage of increasing the convenience of the worker.

On the other hand, another embodiment of the return means, as shown in Figure 6, the auxiliary connector 720 provided on the other side of the pinion gear 500 in the opposite direction of the connecting rod 510, one end of the auxiliary connector It is connected to 720, is located on the opposite side of the wire member 600, and the other end is composed of a return wire 730 connected to the ground.

In the above case, when the operator pulls the return wire 730 to rotate the pinion gear 500 in the other direction after the restart of the pit pump 10 is completed, the rack gear 200 moves backward and returns to its original position. do.

Another example of the above-described return means is that the return means of the rack gear 200 to the original position is not limited.

10: pit pump 15: reset button
11O,120: 1st and 2nd fixture 150: connecting member
200: rack gear 210: operation port
310,320: 1st and 2nd support 315: slot hole
400: cotter 500: pinion gear
510: connecting rod 550: rotating shaft
600: wire member 710: spring member
720: auxiliary connector 730: return wire
810: guide holder 820: bearing member

Claims (5)

First and second fixtures (110, 120) fixed to the underground pit pump (10) and arranged parallel to each other on both left and right sides,
A connecting member 150 coupled to connect the first and second fixing units 110 and 120,
A rack gear 200 disposed on the connecting member 150 to be movable forward and backward and provided with an operation device 210 capable of contacting the reset button 15 of the pit pump 10 during the forward operation,
First and second supports 310 and 320 fixed to the pit pump 10 and spaced apart from each other on both left and right sides and each having slot holes 315 before and after,
A coater 400 fitted in the slot hole 315 to be movable forward and backward, and supporting the lower portion of the rack gear 200,
A pinion gear that is rotatably coupled to the first and second supports 310 and 320 by a rotation shaft 550, the rack gear 200 and the gear are engaged with each other, and a connecting rod 510 for connection with the wire member 600 is provided on the outside. (500) and,
A wire member 600 for moving the rack gear 200 forward by rotating the pinion gear 500 when an operator pulls one end connected to the connecting rod 510 and the other end connected to the ground, and
And a return means for returning the rack gear 200 back to its original position after the reset operation using the operation tool 210 of the rack gear 200 is completed,
The connecting rod 510 is an eye bolt screwed to one side of the pinion gear 500,
Long-distance operation of the pit pump, characterized in that the reset button of the pit pump placed in the ground safely operates on the ground to prevent safety accidents for the operator, and at the same time, the pit pump can be easily restarted from a distance, increasing the operator's convenience Device.

delete The method according to claim 1,
Further provided with a guide means for guiding the movement of the wire member 600,
The guide means includes a guide holder 810 fixed to an underground wall,
Long-distance operation apparatus of a pit pump, characterized in that it is coupled to the guide holder (810) and the wire member (600) is in contact with the bearing member (820) which is idle during the pulling and return operation of the wire member (600).
The method according to claim 1,
The return means is coupled to be wound around the rotation shaft 550 and a spring member that rotates the rotation shaft 550 so that the rack gear 200 returns to its original position when the pulling force of the wire member 600 is removed ( 710), characterized in that the remote control device of the pit pump.
The method according to claim 1,
The return means is an auxiliary connector 720 provided on the other side of the pinion gear 500 in the opposite direction of the connecting rod 510,
Long-distance operation apparatus of a pit pump, characterized in that consisting of a return wire (730), one end connected to the auxiliary connector (720), located on the opposite side of the wire member (600) and the other end connected to the ground.

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