JP2024013925A - Explosive loading system and working face drill machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an explosive loading system allowing efficient loading work with high work safety and less work trouble to be realized for loading work of filler to be charged such as explosive in a loading hole drilled in a work face, and a work face drill mounted on the explosive loading system.

SOLUTION: An explosive loading system 50 loading filler P to be charged including at least explosive in a loading hole H formed in a work face K comprises: a supply device 20 supplying the filler P to be charged; and a feeding device 30 feeding the charged filler P supplied from the supply device 20 in the loading hole H, wherein the feeding device 30 is provided with a feeding line 31 feeding the filler P and feeding means 35 moving the filler P in the feeding line 31, and the feeding line 31 is provided with a first line 32 receiving the filler P from the supply device 20 and a second line 33 feeding the filler P moved from the first line 32 to the loading hole H.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present invention relates to an explosive loading system and a face drilling machine.

When constructing mountain tunnels by blasting, workers load materials including explosives and fillers (anko, clay) into the charging holes drilled in the face in close proximity to the face, resulting in skin drop. Work safety in the face of face collapse due to rockfall and rockfall has become a major issue. In addition, the work of loading the material into the charging hole is a simple task of inserting the material into the charging hole, poking it with a charging rod, and loading it, which requires difficult working environments and working postures. It is difficult work. As the front view size of the face increases and the number of charging holes increases, problems such as decreased work safety, increased labor difficulty, and long loading time become more prominent.
Based on the above, an explosives loading system that can achieve high work safety, less laborious work, and efficient loading work is needed when loading materials such as explosives into the charging holes drilled in the face. desired.

Here, Patent Document 1 discloses an explosive loading device that remotely loads explosives and a charge into a charging hole. This explosive loading device includes an explosive supply device, a charge supply device, a pressure feeding device that pumps the supplied explosive or charge into a charging hole, and a control device that controls these various devices. The filling supply device consists of one system of conveying equipment for transporting the filling from the filling storage area to the filling dropping area, and a single or multiple storage device for storing the multiple fillings that fall from the filling dropping area. and a plurality of drop paths for guiding the fill material falling from the lower end of the storage device or storage devices to the loading hose.
In this explosives loading device, the explosives supplied from the explosives supply device and the charge supplied from the charge supply device are individually sent to one loading machine, and via a filling hose and a filling pipe communicating with the loading machine, The charges are individually pumped to the charging holes by a pumping device.

JP 2019-113197 Publication

According to the explosive loading device described in Patent Document 1, since the explosive and the charge can be loaded into the charging hole by remote control, work safety can be increased and work difficulty can be reduced. However, there is room for improvement in terms of the efficiency of loading operations, as the explosive and the charge must be pumped and loaded individually into the charging hole; in other words, the explosive and the charge cannot be loaded consecutively or simultaneously. be.

The present invention provides an explosive loading system that is highly safe, less tedious, and capable of realizing efficient loading operations in loading objects such as explosives into charging holes drilled in a face. The purpose of the present invention is to provide a face drilling machine equipped with this explosive loading system.

In order to achieve the above object, one aspect of the explosive loading system according to the present invention includes:
An explosive loading system that loads a load containing at least an explosive into a charging hole formed in a face,
a supply device that supplies the loaded material;
a feeding device that feeds the loaded material supplied from the feeding device to the charging hole;
The feeding device includes a feeding system through which the loaded object is fed out, and a feeding means for moving the loaded object in the feeding system,
The delivery system includes a first system that receives the loaded material from the supply device and a second system that sends the loaded material that has been moved from the first system to the charging hole. Features.

According to this aspect, the material to be loaded is supplied from the supply device to the first system of the delivery system constituting the delivery device, and the material to be loaded is sent to the charging hole by the delivery means via the second system. By loading, efficient loading work can be realized.
Here, "a loaded object containing at least an explosive" includes a configuration in which the loaded object consists only of an explosive, and a configuration in which the loaded object consists of an explosive and a charge. For example, if the charge is formed by an explosive and a charge, by applying the present system, it becomes possible to deliver the explosive and the charge to the charging hole sequentially or simultaneously.
In addition, if the loaded object is formed by explosives and a filler, this system is equipped with a supply device (explosives feeder, filler feeder) specific to the explosive and the filler, and supplies the explosive along the first system. The device and the charge supply device may be arranged in series, or one supply device may include an explosive supply section and a charge supply section, and the explosive and charge may be supplied from one supply device to the first one. It may also be in the form of being supplied to the grid.
For explosives, there are cases in which a parent die (including explosives and detonators) and an add-on die are used, and cases in which only an add-on die is used. The parent die supply device and the additional die supply device may be provided in series along the first system. Moreover, in order to correspond to the case where a plurality of additional dies are loaded into the charging hole, a plurality of additional die supply devices may be provided in series along the first system.

In addition, the first system, which sequentially and continuously supplies a plurality of objects to a plurality of charging holes and sends the supplied objects to the second system, has linearity. Desirably, the first system is formed by a relatively rigid pipe. On the other hand, the second system, which sends the material to be loaded from the first system to the charging hole, has a length that corresponds to the distance to the charging hole provided in the face, making handling easier for workers. Since it is preferable to have a certain degree of rigidity and to be able to ensure linearity like the first system, it is preferably formed by a combination of a hose and a pipe.

Also, in another aspect of the explosive loading system according to the present invention,
The supply device includes a storage container that accommodates a plurality of the objects to be loaded, and a supply mechanism that supplies the one object to be loaded received from the storage container to the first system,
The storage container includes an upper storage part and a lower part that extends from below the upper storage part, arranges a plurality of the objects to be loaded in a row, and supplies the objects to be loaded one by one to the supply mechanism. and a supply section,
A region of the bottom surface of the upper accommodation section on the lower supply section side is formed by a spring board that moves up and down via a rotation shaft, and the spring board is moved up and down by a first actuator. It is characterized by

According to this aspect, the storage container extends from below the upper storage part and the upper storage part, arranges the plurality of loaded objects in a row, and supplies the loaded objects one by one to the supply mechanism. A region of the bottom surface of the upper storage section on the lower supply section side is formed by a flip plate that moves up and down via the rotation shaft, so that the loaded material is not transferred to the supply mechanism. It is possible to suppress clogging of the objects to be loaded in the lower supply section that supplies them one by one, and it is possible to prevent the inability to supply the objects to the first system due to clogging of the objects to be loaded.
Here, the lower feeding section has a height approximately equal to the diameter or maximum cross-sectional dimension of one loaded object, and has a linear shape extending diagonally downward, etc., so that the lower feeding section feeds the loaded objects one by one. can be supplied to For example, if the load is a cartridge-type hydrous explosive with a cylindrical external shape, the lower supply section has a height approximately equal to the diameter of the load and a width approximately equal to the length of the column. It has a shape that extends diagonally downward. The upper accommodating part, which is large enough to accommodate a plurality of objects to be loaded at once, and the lower supply part, which supplies the objects to be loaded one by one downward from the upper accommodating part, have a funnel-like shape as a whole, for example. ing.
A cylinder mechanism or the like is used as the first actuator that moves the spring board up and down, and the spring board can be moved up and down by the reciprocating movement of a piston rod that constitutes the cylinder mechanism. Furthermore, a motor may be applied to the first actuator, a cam may be attached to the rotating shaft of the motor, and the cam may intermittently push up the spring board as the motor rotates.

Also, in another aspect of the explosive loading system according to the present invention,
A bent portion bent downward in a dogleg shape is provided at an end of a region on the lower supply portion side of the spring board,
The bent portion prevents the loaded object from entering the space below the spring board when the spring board moves upward.

According to this aspect, the bent portion that bends downward in a dogleg shape is provided at the end of the area on the lower supply portion side of the flip plate, so that the loaded object is transferred to the space below the bounce plate. can be prevented from entering.

Also, in another aspect of the explosive loading system according to the present invention,
The supply mechanism includes a second actuator and a rotating body that receives the loaded object through a receiving groove while being rotated by the second actuator,
When the receiving groove is oriented in the direction of the first system, the loaded material is supplied from the receiving groove to the first system.

According to this aspect, the loaded material supplied from the storage container is received by the rotating body provided with the receiving groove, and when the rotating body rotates and the receiving groove is oriented to the first system, the loaded material is transferred to the first system. By supplying (for example, dropping) a predetermined amount of material to the first system, it is possible to efficiently and reliably supply the material to the first system.

Also, in another aspect of the explosive loading system according to the present invention,
The supply device includes an outer box having an opening on the front surface, and the storage container housed inside the outer box so as to be able to go in and out through the opening,
A storage door for accommodating the loaded object is provided on a side surface of the storage container,
A discharge door for discharging the loaded material is provided below the storage container,
The storage container is pulled out from the outer box, and the loaded object is stored from the side of the storage container through the storage door,
The present invention is characterized in that when the discharge door is opened, the plurality of objects to be loaded are continuously discharged through the lower supply section.

According to this aspect, the supply device includes an outer box having an opening on the front surface and a storage container housed inside the outer box so as to be able to go in and out through the opening, and the loading object is placed on the side of the storage container. By providing the storage door for storage, a plurality of objects to be loaded can be quickly arranged and stored from the side of the storage container. Further, there is no fear of damage to the loaded object, which is a concern when the loaded object is dropped into the storage container from above.
Furthermore, a discharge door for discharging the loaded materials is provided below the storage container, and when the discharge door is opened, multiple loaded materials are continuously discharged via the lower supply section. By doing so, when it is necessary to take out a plurality of loaded objects housed in the storage container, all the loaded objects can be quickly taken out.

Also, in another aspect of the explosive loading system according to the present invention,
A transparent plate is provided on a part of the front surface and a part of the side surface of the storage container, and the storage state of the loaded object can be visually recognized through the transparent plate. shall be.

According to this aspect, a transparent plate is provided on a part of the front surface and a part of the side surface of the storage container, and the accommodation state of the loaded objects can be visually recognized through the transparent plate. It is possible to visually confirm whether or not a plurality of objects to be loaded are housed in a line, and to confirm whether or not some of the objects to be loaded are stuck in the middle of the storage container.
For example, if the overall shape from the upper storage part to the lower supply part has the funnel shape described above, a transparent plate along the funnel shape is provided on the front surface of the storage container, so that the storage container It becomes possible to check (visually check) the state of all the loaded objects stored therein from the outside. Here, it is preferable that transparent plates are provided on both the left and right side surfaces of the storage container.
In addition, a transparent plate is provided on the front surface of the storage container, for example, at the bottom, so that the rotating body forming the supply mechanism inside the storage container can be seen through the transparent plate, so that the loaded object can be correctly received at the opening of the rotating body. It can be confirmed from the brace through the transparent plate whether or not the brace is in place.

Further, other aspects of the explosive loading system according to the present invention include:
A check valve or a ball valve is provided between the first system and the second system.

According to this aspect, by providing the check valve or the ball valve between the first system and the second system, it is possible to prevent the loaded material sent to the second system from returning to the first system. .
Here, the ball valve includes a rotating body with a through hole, and when the loaded object is passed through, the through hole faces the passages of the first system and the second system, and the loaded object is delivered to the charging hole. The through-hole is controlled so as to be positioned so that it does not face the passage.
On the other hand, check valves are not only general check valves whose opening diameter is narrowed in the delivery direction (direction from the first system to the second system), but also open when the loaded material passes through the check valve. It also includes an on-off valve whose opening is automatically controlled to narrow or close the opening.

Also, in another aspect of the explosive loading system according to the present invention,
The feeding means includes a first feeding means for moving the loaded object from the first system to an intermediate position in the second system, and a first feeding means for moving the loaded object from an intermediate position in the second system to the charging hole. and a second sending means for causing the
The first feeding means is either a first pressure feeder or a unit consisting of a cylinder mechanism and a push rod that reciprocates in the first system by the cylinder mechanism,
The second feeding means is characterized in that it is a second pressure feeding machine.

According to this aspect, the first feeding means moves the loaded material from the first system to an intermediate position in the second system, and the second feeding means moves the loaded material from the second system to the charging hole. By this, even if the total length of the first system and the second system is long, it is possible to smoothly move the loaded material in the first system and the second system and send it to the charging hole.
When the first feeding means is a first pressure feeder such as a compressor, the loaded material supplied to the first system is forced to be fed to an intermediate position in the second system by the first pressure feeder via a ball valve or the like. At this time, the first pressure feeding machine is operated so that the loaded material is pumped to a predetermined position in the second system due to the weight of the loaded material and the dynamic friction between the loaded material and the first and second systems. It is preferable that the pumping force is set.
In addition, a stopper is provided at a predetermined position in the second system so as to be able to come in and out, and before the first pressure feeding machine pumps the loaded material, the stopper protrudes into the second system, and when the first pressure feeding machine The loaded material may be stopped at a predetermined position in the second system by a stopper.

On the other hand, if the first feeding means is a unit consisting of a cylinder mechanism and a push rod that reciprocates in the first system by the cylinder mechanism, the push rod moves the loaded material to a predetermined position in the second system by driving the cylinder mechanism. After being delivered to the position, the pushing rod is returned to its original position (a position upstream in the pushing direction from the supply device in the first system) by driving the cylinder mechanism, thereby making it possible to prepare for pushing the next object to be loaded.

A second pressure feeder that sends out the material to be loaded to the charging hole in the second system is formed by, for example, a compressor or the like. Here, when supplying pressurized air from the second pumping machine to the second system, lubricating water is simultaneously supplied to the second system, and the material to be loaded and the lubricating water are sent to the charging hole by the pressurized air.

Also, in another aspect of the explosive loading system according to the present invention,
The first system includes a weight scale that measures the weight of the loaded object supplied from the supply device, or a limit switch that detects that the loaded object is supplied to the rotating body. Features.

According to this aspect, the first system is equipped with a weight scale that measures the weight of the loaded material supplied from the supply device or a limit switch that detects that the loaded material is supplied to the rotating body. , it is possible to ensure that one loaded object is supplied from the storage container to the first system or the rotating body.
Furthermore, if a weighing scale is provided, it can further be ensured that a predetermined amount of the load is being supplied to the first system. For example, the number (or weight) of explosives loaded into one charging hole varies depending on the tunnel to be constructed or depending on the explosives used. Therefore, by setting the weight of the explosives to be loaded on the scale and measuring the weight of the explosives supplied to the first system, the correct amount of explosives can be transferred to the first system and the second system. can be loaded into the charging hole through the Here, if the weight of the explosives measured by the scale differs from the input value, the scale will issue an alarm, etc., and the amount of explosives supplied to the first system will be confirmed, and if necessary, The correct amount of explosives can be supplied to the first system.

Moreover, one aspect of the face drilling machine according to the present invention is
A trolley and
a boom mounted on the trolley so as to be rotatable and undulating,
The supply device constituting the explosive loading system is mounted on the trolley,
Part or all of the second system is mounted on the boom.

According to this aspect, using the face drilling machine equipped with the explosive loading system of the present invention, the tip of the second system is positioned at the charging hole to be loaded while moving or extending the boom, and the explosive loading system By activating the machine and loading the material into the charging hole, remote work is realized where the worker is away from the face, eliminating the need for the worker to work close to the face, increasing work safety. This eliminates the difficulty of working. Furthermore, by using a face drilling machine equipped with an explosive loading system, efficient loading operations can be achieved.
Here, the face drilling machine is equipped with one or more booms, and a mancage is provided at the tip of the boom, and a worker riding on the mancage positions the tip of the second system of the explosive loading system in the charging hole. It may be. Even in this case, by positioning the tip of the loading pipe, etc. that constitutes the second system in the charging hole (within 1.5 m from the face) while the worker in the mancage is at a distance of 2 m or more from the face. (There is a track record that there is a high degree of danger when In addition to this embodiment, the supply device constituting the explosive loading system may be mounted on a transport vehicle that is not equipped with a boom.

Further, other aspects of the face drilling machine according to the present invention include:
The boom is characterized in that at least one of a drilling system and a charging hole cleaning system is further mounted on the boom.

According to this aspect, at least one of the drilling system and the charging hole cleaning system is further mounted on the boom, so that the drilling of the charging hole on the face, the cleaning of the charging hole, and the cleaning of the cleaned charging hole are performed. Explosives and the like can be continuously loaded into the charge holes using one boom, making it possible to efficiently carry out a series of operations from creating the charge holes to loading the explosives and the like.
Here, a drilling drifter that constitutes a drilling system, a cleaning rod that constitutes a charge hole cleaning system, and a second system (loading hose) that constitutes an explosive loading system are attached around the boom. After the boom is positioned at the position of the charging hole, by rotating the boom (its rotating unit), position the drilling drifter, cleaning rod, or second system loading hose to the desired position. Able to perform work.

For example, after creating a charging hole of a predetermined length with a drilling drifter, the rotating unit of the boom is rotated to position the cleaning rod in the charging hole to clean the charging hole, and then the rotating unit of the boom is rotated. By rotating it, the loading hose can be positioned and the material to be loaded can be continuously loaded into the charging hole.

According to the explosive loading system and face drilling machine of the present invention, the work of loading objects such as explosives into the charging holes drilled in the face is highly safe, less tedious, and more efficient. Loading work can be accomplished.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram illustrating an overall configuration of an example of a face drilling machine according to an embodiment, and a diagram illustrating an overall configuration of an example of an explosive loading system according to an embodiment. FIG. 2 is a perspective view showing the configuration around a rotating unit at the tip of the boom of the face drilling machine. It is a front view of an example of three supply devices installed side by side. 4 is a plan view of an example of three supply devices installed side by side in the IV direction of FIG. It is a figure which shows the state where the accommodation door in the side surface is open. 4 is a view taken along the line VV in FIG. 3, and is a view of the inside of the supply device viewed from the side. FIG. FIG. 6 is a diagram corresponding to FIG. 5, showing a state in which the storage container protrudes from the outer box. FIG. 2 is a diagram showing an example of a hardware configuration of a control device. FIG. 3 is a diagram illustrating an example of a functional configuration of a control device. It is a figure which shows the state where the to-be-loaded material is supplied to the 1st system|strain from a supply device. It is a figure which shows the state where the to-be-loaded object is sent out to the middle position of a 2nd system. It is a figure which shows the state where the to-be-loaded material is sent out to a charging hole from a 2nd system.

DESCRIPTION OF EMBODIMENTS Hereinafter, an explosive loading system and a face drilling machine according to an embodiment will be described with reference to the accompanying drawings. Note that, in this specification and the drawings, substantially the same constituent elements may be given the same reference numerals to omit redundant explanation.

[Explosive loading system and face drilling machine according to embodiment]
An example of an explosive loading system and a face drilling machine according to an embodiment will be described with reference to FIGS. 1 to 11. Here, FIG. 1 is a diagram illustrating the overall configuration of an example of a face drilling machine according to an embodiment, and is also a diagram illustrating the entire configuration of an example of an explosive loading system according to the embodiment. Moreover, FIG. 2 is a perspective view showing the configuration around the rotating unit at the tip of the boom of the face drilling machine.

Figure 1 shows a face K created in the process of drilling a rock G by blasting to construct a mountain tunnel, and a plurality of charging holes H are formed in the face K, and a face drilling machine 100 is positioned on the tunnel entrance side of the face K. This shows a situation in which a load P (see FIGS. 5 and 6) is loaded into one charging hole H.

The face drilling machine 100 includes a truck 10 and a plurality of booms 14 and 16 that are attached to the truck 10 so as to be able to rotate and raise and lower (X1 direction, X3 direction), and the truck 10 is equipped with an explosive loading system 50. It is installed. Here, although not shown, the explosive loading system 50 may be mounted on a transportation vehicle in addition to the truck 10 that constitutes the face drilling machine 100.

The truck 10 has an operator cabin 12, and the operator cabin 12 houses a control device 40 that constitutes an explosive loading system 50.

One of the booms 14 attached to the trolley 10 is a cage boom that is rotatably equipped with a man cage 15 at its tip and can be extended and contracted in the X4 direction, which is the axial direction. Accordingly, the mancage 15 can maintain a horizontal posture at all times, and the worker riding on the mancage 15 can carry out various tasks and give instructions to the operator.

On the other hand, the other boom 16 attached to the trolley 10 is a working boom for performing explosive loading work, etc., and is extendable and retractable in the axial direction, which is the X2 direction, and is equipped with a rotation unit 17 at the tip.

As shown in FIG. 2, around the rotation unit 17, in addition to the loading pipe 33c that constitutes the explosive loading system 50, there are a drilling rod 39A that constitutes a drilling system (not shown), and a charge hole cleaning system (not shown). A constituting cleaning rod 39B is attached.

By rotating the rotation unit 17 in the X10 direction, the selected pipe or rod can be brought into operation. For example, first select the drilling rod 39A, drive the drilling system to create the charging hole H in the face K, then rotate the rotation unit 17 to position the cleaning rod 39B in the charging hole H, The cleaning rod 39B is inserted into the charging hole H to drive the charging hole cleaning system, and the cleaning rod 39B sprays high pressure air, high pressure water, etc. (or by applying a cleaning device on the screw) to clean the charging hole. Clean H. Thereafter, the rotating unit 17 is rotated to position the loading pipe 33c in the charging hole H, and as shown in FIG. Load things.

In this way, by providing the rotation unit 17 with a plurality of types of work rods and pipes, it becomes possible to continuously perform a plurality of types of work with one boom 16. Here, in FIG. 1, one working boom 16 is illustrated, but the trolley 10 may be provided with a plurality of working booms, and a plurality of working booms may be used for various operations (drilling, drilling, etc.). It may also be equipped with specific rods and pipes for cleaning operations, loading operations).

The explosive loading system 50 mounted on the cart 10 constituting the face drilling machine 100 includes a supply device 20 that supplies a loaded object, and a delivery device 30 that sends out the loaded object supplied from the feeding device 20 to a charging hole H. and has. Further, the illustrated explosive loading system 50 includes a control device 40 that controls the supply device 20 and the delivery device 30. Here, the explosive loading system may not include a control device.

In the trolley 10, three feeding devices 20A to 20C, each of which accommodates a plurality of objects to be loaded, are arranged in series in parallel above a first system 32 that constitutes a feeding device 30. The loaded object contains at least an explosive, and there are two types: one having only the explosive, and the other having both the explosive and the filler (clay having a cross-sectional dimension that closes the charging hole H). Here, the three supply devices 20A to 20C may be configured to supply the parent die, additional die, and filling material to the first system 32, respectively. The loaded object includes, for example, a cartridge-type hydrous explosive with a cartridge diameter of about 25 mm to 30 mm and a length of about 200 mm, and a detonator.

The plurality of supply devices 20A, 20B, and 20C arranged in series each supply the objects to be loaded into the plurality of charging holes H to the first system 32 in the Y1 direction to the Y3 direction.

For example, at the stage when the load P is supplied from the supply device 20A and the load P stored in the supply device 20A falls into the first system 32, the load P is then supplied from the supply device 20B. When the loaded object P stored in the feeding device 20B falls into the first system 32, the loaded object is finally supplied from the feeding device 20C.

A drive command signal is transmitted from the control device 40 to the supply device 20, and the loaded material P is supplied to the first system 32 by driving the supply device 20. The specific configuration of this supply device 20 will be explained in detail below.

Returning to FIG. 1, the feeding device 30 includes two types of feeding means: a feeding system 31 forming a route for feeding the loaded material P supplied from the feeding device 20, and a ball valve 34 interposed in the middle of the feeding system 31. It has a first sending means 35 and a second sending means 36.

The delivery system 31 includes a first system 32 that receives the loaded material P from the supply device 20 and a second system 33 that delivers the loaded material P moved from the first system 32 to the charging hole H.

The first system 32 receives the loaded material P from each of the supply devices 20A to 20D arranged in series and sends it to the second system 33, so it requires linearity and therefore has relatively rigidity. It is preferably formed by a loading pipe made of a certain steel pipe, hard resin, or the like.

On the other hand, the second system 33 has a relatively long length from the boundary with the first system 32 to the charging hole H of the face K, and has good handling ability for workers at the intermediate position. Furthermore, it is preferable that the region of the tip inserted into the charging hole H has straightness. Therefore, the side connected to the first system 32 is equipped with a loading pipe 33a that can ensure linearity, the intermediate position is equipped with a loading hose 33b with good handling properties, and the side of the charging hole H at the tip is equipped with a loading pipe 33c. It is better to have a unit structure. The loading hose 33b is made of a material that has both a certain degree of rigidity and deformability, such as a relatively hard resin or a bellows tube.

A ball valve 34 is provided at the boundary between the first system 32 and the second system 33. A first sending means 35 is provided on the upstream side of the first system 32 in the sending direction (tunnel entrance side), and after each loaded material P is supplied to the first system 32, the first sending means 35 In response, a drive command signal is transmitted from the control device 40, and the first feeding means 35 is driven to feed the loaded material P in the Y5 direction to a midway position in the second system 33 (for example, a midway position in the loading pipe 33a).

The loaded material P passed through the ball valve 34 and sent to a midway position in the second system 33 is stopped at this midway position, and is prevented from being returned to the first system 32 (reverse travel) by the ball valve 34. Ru.

The ball valve 34 is a control valve having a rotary body 34a with a through hole 34b, and after the loaded material P is sent out to an intermediate position in the second system 33, when a drive command signal is transmitted from the control device 40. , the rotating body 34a rotates, and the through hole 34b is disconnected from the first system 32 and the second system 33, and is controlled to be closed. In addition to the illustrated ball valve, the control valve may also be a check valve whose opening degree can be adjusted freely or a valve with a hinge structure, in which the loaded material P is transferred from the first system 32 to the second system 33. Alternatively, the valve may automatically close after being sent out.

After controlling the ball valve 34 to close, a drive command signal is transmitted from the control device 40 to the second sending means 36 communicating with the loading pipe 33a, and the loaded object P is moved in the Y8 direction by driving the second sending means 36. After being continuously delivered to the loading hose 33b and the loading pipe 33c in the Y9 direction, it is loaded into the charging hole H.

Here, the first sending means 35 that sends out the loaded material P in the first system 32 is a first pumping machine formed by a compressor, and is driven by pressurized air supplied from the first pumping machine 35 to the first system 32. , the load P is fed under pressure. In addition to the illustrated compressor, the first delivery means 35 includes a unit (not shown) formed by a cylinder mechanism and a push rod that reciprocates in the first system 32 by the cylinder mechanism. Good too.

On the other hand, the second delivery means 36 that sends out the loaded material P in the second system 33 is also a second pressure sending machine formed by a compressor. A flow path communicating with the second pressure feeder 36 and the second system 33 is connected to a flow path leading to a water tank 37, and the lubricating water supplied from the water tank 37 in the Y6 direction is transferred to the second pressure feeder 36. The second system 33 is supplied with pressurized air that is pumped in the Y7 direction, and the load P and lubricating water are forced into the charging hole H with the pressurized air.

Next, the configuration of the supply device 20 will be described with reference to FIGS. 3 to 6. Here, FIG. 3 is a front view of an example of three supply devices installed side by side. Further, FIG. 4 is a view taken in the direction of arrow IV in FIG. 3, and is a plan view of an example of three supply devices installed together, with the storage container constituting one of the supply devices being outside. 5 is a diagram showing a state in which the storage door protruding from the box and on the side of the storage container is open; FIG. 5 is a view taken along the V-V arrow in FIG. It is a diagram. Furthermore, FIG. 6 is a diagram corresponding to FIG. 5, and is a diagram showing a state in which the storage container protrudes from the outer box. Here, in FIG. 5, illustration of a large number of objects P accommodated in the accommodation container 22 is omitted.

The illustrated supply device 20 includes an outer box 21 having an opening 21b on a front surface 21a, a storage container 22 accommodated in the outer box 21 so as to be able to enter and exit from the opening 21b, and one container received from the storage container 22. It has a supply mechanism 23 that supplies the material to be loaded P to the first system 32.

In the illustrated example, the three supply devices 20A, 20B, and 20C installed side by side all have the same structure, and the first system 32 is disposed below each supply device 20.

As shown in FIG. 4, the storage container 22 slides forward from the outer box 21 in the Z1 direction, and a storage door is provided on the side of the storage container 22 via a hinge so that it can be opened and closed. By opening 22d in the Z2 direction, the inside of the storage container 22 is opened, and a plurality of objects P to be loaded can be arranged and stored in a stacked state from the side of the storage container 22.

As shown in FIG. 3, a discharge door 22b is provided below the front surface 21a of the outer box 21 via a hinge so that it can be opened and closed freely, and almost the entire area of the discharge door 22b is formed by a transparent plate 22e. The interior can be viewed through the When the container 22 is housed in the outer box 21, the front surface 22a of the container 22 is aligned on the discharge door 22b, and both are locked with a lock key 22h. When sliding the container 22 from the outer box 21, the lock key 22h is released and the container 22 is pulled forward.

As shown in FIG. 6, a slide rail 22g containing a plurality of wheels is provided at the upper end of the storage container 22, and a slide rail 21c containing a plurality of wheels is also provided above the outer box 21. By aligning the slide rails 21c and 22g and rotating the wheels provided on both sides, the storage container 22 is pulled forward from the outer box 21 in the Z1 direction, and when pushed in the opposite direction, it is pulled out into the outer box 21. It is now being accommodated.

As shown in FIGS. 5 and 6, the storage container 22 includes an upper storage section 22A that stores a large number of loaded objects P in an aligned and stacked state, and an upper storage section 22A that extends from below the upper storage section 22A to accommodate a plurality of loaded objects P. A lower supply section 22B is provided, which arranges the objects P in a row and supplies the objects P to the supply mechanism 23 one by one.

As shown in FIGS. 5 and 6, there is a large upper storage section 22A that can accommodate a large number of objects P at once, and a downward supply that supplies the objects P downward one by one from the upper storage section 22A. The overall shape of the portion 22B in side view is, for example, funnel-shaped. The lower supply section 22B has a linear shape that extends obliquely downward from one end (the front end in the illustrated example) of the upper accommodation section 22A, and is bent and extends vertically downward.

Further, the vertical height of the lower supply section 22B is approximately the same as the cross-sectional diameter of the cylindrical load P, and this height and linearity allow the load P to be It is possible to slowly send out the paper one by one in the Z7 direction and supply it to the supply mechanism 23 located below. This makes it possible to prevent damage to the loaded object P due to rapid and violent feeding.

As shown in FIG. 5, one end of the bottom surface 24 of the upper housing portion 22A is a rotating end 24d, and a rotating shaft 24e is provided at this rotating end 24d. Furthermore, a piston rod of a first actuator 25 formed by a cylinder mechanism is attached to the lower surface of the bottom surface 24 at a midway position. Furthermore, the end of the region 24a on the lower supply part side of the bottom surface 24 is provided with a bent part 24b bent in a dogleg shape.

By activating the first actuator 25 and reciprocating the piston rod diagonally in the up-down direction in the Z5 direction, the bottom surface 24 is slightly rotated in the up-down direction around the rotation axis 24e, and this rotation in the up-down direction As a result, the bottom surface 24 reciprocates diagonally in the up and down direction in the Z6 direction.

Due to this reciprocating movement of the bottom surface 24, even when a large number of loaded objects P are densely accommodated inside the upper storage portion 22A as shown in FIG. The tightly fixed state is released to ensure the movement of the loaded objects P to the lower supply section 22B while preventing the plurality of loaded objects P from becoming jammed inside the upper storage section 22A and not moving. be able to.

In this way, the bottom surface 24 reciprocates in the vertical direction around the rotating shaft 24e, and this movement pushes up the plurality of loaded objects P from below to release the mutually closely fixed state, so it is called a spring plate. You can also do that.

In addition, by providing a bent portion 24b bent in a dogleg shape at the end of the region 24a on the lower supply section side of the bottom surface 24, when the bottom surface 24 rises upward, some of the loaded objects P can be prevented from entering the space 24c below the bottom surface 24. This prevents the loaded object P from entering the lower space 24c and inhibiting the reciprocating movement of the bottom surface 24.

As shown in FIG. 5, with the storage container 22 housed inside the outer box 21, the loaded object P is supplied from the storage container 22 to the supply mechanism 23 located below.

The supply mechanism 23 includes a second actuator 26 formed by a motor, and a rotating body 27 rotated by the second actuator 26. The rotating body 27 is provided with a receiving groove 27a, so that one loaded object P is received in the receiving groove 27a when the receiving groove 27a is aligned with the lower supply section 22B.

The rotating body 27, in which the loaded material P is received in the receiving groove 27a, rotates in the Z8 direction around the rotation axis, and when the receiving groove 27a reaches the diagonally downward position, the loaded material P is gradually rotated by its own weight. Start moving.

A guide 29 is provided on the side of the rotating body 27 and extends in a slightly curved manner in an oblique direction so as to gently guide the loaded object P to the first system 32 located below. The loaded object P, which has moved to the outside of the receiving groove 27a in accordance with the rotation of the rotating body 27, is supplied to the first system 32 without impact while being guided along the guide 29.

A limit switch 28 is further provided on the side of the rotating body 27, and when the limit switch 28 is pressed by the rotation of the rotating body 27, one load P is supplied to the first system 32. is detected. This detection result is transmitted from the limit switch 28 to the control device 40. Here, as shown in FIG. 4, a pair of limit switches 28 are provided at intervals, and with this configuration, the left and right regions of the elongated object P come into contact with both limit switches 28. It can be confirmed that the load P is accommodated in the receiving groove 27a in the correct posture.

Here, although not shown, a weight scale is provided below the rotating body 27 instead of the limit switch 28, and the weight scale detects that the loaded material P is supplied to the first system 32. At the same time, the weight of the loaded object P may be detected.

As shown in FIG. 5, a discharge door 22f is provided on the lower surface of the lower supply section 22B so as to be rotatable in the Z4 direction, and a separate discharge door 22b is provided on the front surface of the outer box 21 so as to be rotatable in the Z3 direction. It is set up freely. The discharge door 22b is provided with a transparent plate 22e, and the discharge door 22f is provided with a slit (not shown) for internal confirmation.

When taking out the loaded material P from the storage container 22, one discharge door 22b is rotated in the Z3 direction to open it, and the other discharge door 22f is then rotated in the Z4 direction to open the lower supply section. A plurality of objects P are continuously and efficiently discharged from 22B.

Furthermore, since the discharge door 22b is provided with a transparent plate 22e and the discharge door 22f is provided with a slit (not shown) for checking the inside, it is possible to visually check the inside of the lower supply section 22B and the rotating body 27 from the outside. Check that the plurality of loaded objects P are moving without clogging in the lower supply section 22B, and that one loaded object P is received in the receiving groove 27a of the rotating body 27 in the correct posture. be able to.

Further, as shown in FIG. 6, a transparent plate 22e is also provided on the rotatable storage door 22d on the side of the storage container 22. Through this transparent plate 22e, the accommodation postures of the large number of objects P accommodated in the accommodation container 22 can be confirmed.

Next, an example of the content of control of the explosive loading system by the control device will be described with reference to FIGS. 7 to 11. Here, FIG. 7 is a diagram showing an example of the hardware configuration of the control device, and FIG. 8 is a diagram showing an example of the functional configuration of the control device. Further, FIG. 9 is a diagram showing a state in which the loaded material is supplied from the supply device to the first system, and FIG. 10 is a diagram showing a state in which the loaded material is sent out to an intermediate position in the second system. FIG. 11 is a diagram showing a state in which the material to be loaded is being sent out from the second system to the charging hole.

As shown in FIG. 7, the control device 40 includes a CPU (Central Processing Unit) 41, a main storage device 42, an auxiliary storage device 43, a communication IF (interface) 44, and an input/output unit that are interconnected by a connection bus 46. Equipped with IF45. The main storage device 42 and the auxiliary storage device 43 are computer readable recording media. Note that the above components may be provided individually, or some components may not be provided.

The CPU 41 is also called an MPU (Microprocessor) or a processor, and the CPU 41 may be a single processor or a multiprocessor. The CPU 41 is a central processing unit that performs overall control of the control device 40 consisting of a computer. For example, the CPU 41 develops a program stored in the auxiliary storage device 43 in an executable manner in the work area of the main storage device 42, and controls peripheral devices through the execution of the program to perform functions that meet a predetermined purpose. I will provide a.

The main storage device 42 stores computer programs executed by the CPU 41, data processed by the CPU 41, and the like. The main storage device 42 includes, for example, flash memory, RAM (Random Access Memory), and ROM (Read Only Memory). The auxiliary storage device 43 stores various programs and various data on a recording medium in a readable and writable manner, and is also called an external storage device. The auxiliary storage device 43 stores, for example, an OS (Operating System), various programs, various tables, and the like. The OS includes, for example, a communication interface program that exchanges data with an external device connected via the communication IF 44. External devices include, for example, communication devices (none of which are shown) provided in the first pressure feeder 35, the second pressure feeder 36, the ball valve 34, the limit switch 28, and the like. Note that the network includes a public network such as the Internet, a wireless network such as a mobile phone network, a dedicated network such as a VPN (Virtual Private Network), a LAN (Local Area Network), and the like.

The auxiliary storage device 43 is used, for example, as a storage area to supplement the main storage device 42, and stores computer programs executed by the CPU 41, data processed by the CPU 41, and the like. The auxiliary storage device 43 is a silicon disk including a nonvolatile semiconductor memory (flash memory, EPROM (Erasable Programmable ROM)), a hard disk drive (HDD) device, a solid state drive device, or the like. Further, as the auxiliary storage device 43, a drive device for a removable recording medium such as a CD drive device, a DVD drive device, and a BD drive device is exemplified. ) memory, SD (Secure Digital) memory card, and the like.

The communication IF 44 is an interface with a network to which the control device 40 connects. The communication IF 44 receives detection data indicating that the load P has been supplied to the first system 32 from the limit switch 28 via the network. In addition, when sending out the loaded material P in the first system 32, a drive command signal is sent to the first pumping machine 35, and when sending out the loaded material P to the charging hole H in the second system 33, After controlling the ball valve 34 to close, it transmits a drive command signal to the second pumping machine 36 .

The input/output IF 45 is an interface that inputs and outputs data between devices connected to the control device 40 . For example, a keyboard, a pointing device such as a touch panel or a mouse, an input device such as a microphone, etc. are connected to the input/output IF 45. The control device 40 receives operation instructions and the like from an operator who operates an input device via the input/output IF 45.

Further, the input/output IF 45 is connected to, for example, a display device such as a liquid crystal display (LCD) or an organic EL panel (electroluminescence), an output device such as a printer, or a speaker. For example, among the charging holes H in the face K stored in the control device 40, the charging hole H into which the material to be loaded P is to be loaded is displayed on the display device.

As shown in FIG. 8, the control device 40 controls various functions of at least the communication section 402, the supply device drive section 404, the delivery device drive section 406, the ball valve drive section 408, and the storage section 410 by executing the program by the CPU 41. I will provide a. Note that at least a part of the above processing function may be provided by a DSP (Digital Signal Processor), a GPU (Graphics Processing Unit), etc. Similarly, at least a part of the above processing function may be provided by an FPGA (Field-Programmable Gate). It may also be a dedicated LSI (large scale integration) such as an array), a numerical calculation processor, an image processing processor, or other digital circuits.

The communication unit 402 is communicably connected to the communication IF provided in each supply device 20, the first pressure feeder 35, the second pressure feeder 36, the ball valve 34, and the limit switch 28 via a network.

As shown in FIG. 9, a drive command signal S0 is transmitted from the supply device drive section 404 of the control device 40 to the supply mechanism 23 (the second actuator 26 constituting the supply device 20A), and the The object P is supplied to the first system 32.

Then, in the process of being supplied from the supply device 20A to the first system 32, the limit switch 28 detects the passage of the loaded material P, and the detection data S1 is transmitted to the communication section 402 of the control device 40. The detection data received at 402 is stored in the storage unit 410.

In response to the detection data being stored in the storage section 410, a drive command signal S2 is transmitted from the feeding device driving section 406 of the control device 40 to the first pumping machine 35, as shown in FIG.
Here, in addition to such automatic transmission of the drive command signal S2, at the stage when the detection data is stored in the storage section 410, a notification that the preparation for sending out the loaded material P is completed is displayed on the display device. In response to this display, the operator may perform an operation to transmit the drive command signal S2 to the first pumping machine 35 via the device drive unit 406.

The first pressure feeder 35 that has received the drive command signal S2 supplies pressurized air to the first system 32, and the supplied pressure air causes the loaded material P to move from the first system 32 through the ball valve 34 to the second system 32. It is sent out in the Y5 direction to a midway position of the loading pipe 33a of the system 33.

When the loaded object P is stopped at a predetermined position in the second system 33, as shown in FIG. The ball valve 34 that has received the drive command signal S3 is completely closed.

Next, a drive command signal S4 is transmitted from the delivery device drive unit 406 of the control device 40 to open the control valve 36a located in the middle of the flow path connecting the second pressure feeder 36 and the second system 33, and further , a drive command signal S5 is transmitted from the feeding device drive unit 406 to the second pumping machine 36.

The second pressure feeder 36 that has received the drive command signal S5 supplies pressurized air, and the pressurized air is stopped at a predetermined position while sending lubricating water supplied from the water tank 37 in the Y6 direction to the second system 33. The object P is loaded by pushing the object P from behind in the Y7 direction and feeding the object P from the second system 33 to the charging hole H of the face K in the Y8 direction.

By using the face drilling machine 100 equipped with the illustrated explosive loading system 50, there is no need for workers to carry out the laborious explosive loading work in close proximity to the face K. In the work of loading the object P such as an explosive into the charging hole H, the work is highly safe and the loading work is free from laboriousness. Moreover, the explosive loading system 50 allows efficient loading work to be realized.

Note that other embodiments may be implemented in which other components are combined with the configurations listed in the above embodiments, and the present invention is not limited to the configurations shown here. In this regard, changes can be made without departing from the spirit of the present invention, and can be appropriately determined depending on the application form. For example, in the illustrated example, each component is controlled using the explosive loading system 50 mounted on the face drilling machine 100, but in the illustrated example, each component is controlled using a remote control. Good too.

10: Trolley 12: Control room (operator cabin)
14: Cage boom (boom)
15: Mancage (workbench)
16: Work boom (boom)
17: Rotation unit 20, 20A to 20D: Supply device 21: Outer box 21a: Front surface 21b: Opening 21c: Slide rail 22: Storage container 22A: Upper storage section 22B: Lower supply section 22a: Front surface 22b: Discharge door 22c: Side surface 22d: Accommodation door 22e: Transparent plate 22f: Discharge door 22g: Slide rail 22h: Lock key 23: Supply mechanism 24: Bottom surface (bounce board)
24a: Region on the lower supply part side 24b: Bent part (dog-shaped bent part)
24c: Lower space 24d: Rotating end 24e: Rotating shaft 25: First actuator 26: Second actuator 27: Rotating body 27a: Receiving groove 28: Limit switch 29: Guide 30: Feeding device 31: Feeding system 32: First 1 system (loading pipe)
33: Second system 33a: Loading pipe 33b: Loading hose 33c: Loading pipe 34: Ball valve 34a: Rotating body 34b: Through hole 35: First feeding means (feeding means, first pressure feeding machine)
36: Second feeding means (feeding means, second pressure feeding machine)
36a: Control valve 37: Water tank 38: Weight scale 39A: Drilling rod 39B: Cleaning rod 40: Control device 50: Explosive loading system 100: Face drilling machine G: Rock K: Face H: Charge hole P: Loading object (explosive)

Claims (11)

An explosive loading system that loads a load containing at least an explosive into a charging hole formed in a face,
a supply device that supplies the loaded material;
a feeding device that feeds the loaded material supplied from the feeding device to the charging hole;
The feeding device includes a feeding system through which the loaded object is fed out, and a feeding means for moving the loaded object in the feeding system,
The delivery system includes a first system that receives the loaded material from the supply device and a second system that sends the loaded material that has been moved from the first system to the charging hole. Features an explosive loading system. The supply device includes a storage container that accommodates a plurality of the objects to be loaded, and a supply mechanism that supplies the one object to be loaded received from the storage container to the first system,
The storage container includes an upper storage part and a lower part that extends from below the upper storage part, arranges the plurality of objects to be loaded in a row, and supplies the objects to be loaded one by one to the supply mechanism. and a supply section,
A region of the bottom surface of the upper accommodation section on the lower supply section side is formed by a spring board that moves up and down via a rotation shaft, and the spring board is moved up and down by a first actuator. Explosive loading system according to claim 1, characterized in that: A bent part bent downward in a dogleg shape is provided at an end of the region on the lower supply part side of the spring board,
3. The explosive loading system according to claim 2, wherein the bent portion prevents the loaded object from entering a space below the spring plate when the spring plate moves upward. The supply mechanism includes a second actuator and a rotating body that receives the loaded object through a receiving groove while being rotated by the second actuator,
4. The explosive loading system according to claim 2, wherein when the receiving groove is oriented in the direction of the first system, the object to be loaded is supplied from the receiving groove to the first system. . The supply device includes an outer box having an opening on the front surface, and the storage container housed inside the outer box so as to be able to go in and out through the opening,
A storage door for accommodating the loaded object is provided on a side surface of the storage container,
A discharge door for discharging the loaded material is provided below the storage container,
The storage container is pulled out from the outer box, and the loaded object is stored from the side of the storage container through the storage door,
4. Explosive loading according to claim 2 or 3, wherein when the discharge door is opened, the plurality of charges are continuously discharged through the lower supply section. system. A transparent plate is provided on a part of the front surface and a part of the side surface of the storage container, and the storage state of the loaded object can be visually recognized through the transparent plate. The explosive loading system according to claim 2 or 3. 4. The explosive loading system according to claim 1, further comprising a check valve or a ball valve between the first system and the second system. The feeding means includes a first feeding means for moving the loaded material from the first system to an intermediate position in the second system, and a first feeding means for moving the loaded object from an intermediate position in the second system to the charging hole. and a second sending means for causing the
The first feeding means is either a first pressure feeder or a unit consisting of a cylinder mechanism and a push rod that reciprocates in the first system by the cylinder mechanism,
8. The explosive loading system according to claim 7, wherein the second delivery means is a second pump. The first system includes a weight scale that measures the weight of the loaded object supplied from the supply device, or a limit switch that detects that the loaded object is supplied to the rotating body. 5. Explosive loading system according to claim 4, characterized in that: A trolley and
a boom mounted on the trolley so as to be rotatable and undulating,
The supply device constituting the explosive loading system according to any one of claims 1 to 3 is mounted on the trolley,
A face drilling machine, characterized in that part or all of the second system is mounted on the boom. The face drilling machine according to claim 10, characterized in that at least one of a drilling system and a charge hole cleaning system is further mounted on the boom.

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