JP3023456B2 - Ammunition car - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ammunition vehicle equipped with a bullet or a charge supplied to a self-propelled gun.

[0002]

2. Description of the Related Art An ammunition vehicle loaded with a bullet or a charge is accompanied by a self-propelled artillery. At a destination, a bullet or a charge is taken out from the ammunition vehicle and supplied to the self-propelled artillery. The supply of bullets or ammunition to SPGs is usually done manually, but bullets and ammunition are becoming larger and heavier due to the larger SPGs. Various proposals have been made for the supply of power using the ability.

[0003] For example, Japanese Patent Application Laid-Open No. 60-82797,
As disclosed in Japanese Patent Application Laid-Open No. 62-80500, a plurality of pallets are provided in parallel, bullets are stored vertically in a plurality of units in each pallet, and bullets are slid on a carrier one by one. In some cases, the vehicle is lifted by a lifting device or a lifting tool, moved to an outlet, and then lifted by a lifting device provided in the self-propelled gun and supplied to the self-propelled gun. Further, Japanese Patent Application Laid-Open No. 58-1
06400, JP-A-63-273798,
JP-A-63-271100, JP-A-63-279
As disclosed in Japanese Patent Publication No. 100-200, etc., storage shelves for storing a plurality of bullets horizontally and in multiple rows and columns so that the longitudinal direction thereof is the take-out direction are provided in front and rear two rows, and bullets are provided by motor rollers. A plurality of units are carried out to a carry-out elevator device which can be moved forward, backward, left, right and up and down, and from the carry-out elevator device to a transfer bullet supply device, which is supplied to the self-propelled artillery by the transfer bullet supply device. is there.

[0004]

By the way, it is a general tendency for self-propelled artillery to use various bullets and charge and take an attack form according to the situation. for that reason,
There is a demand for ammunition vehicles to be equipped with a large number of various types of bullets or charge, and to selectively take out bullets or charge in accordance with the type of attack. However, for ammunition vehicles equipped with the above-mentioned pallets, bullets are stored vertically in a plurality of pallets provided in parallel, so that a large number of bullets cannot be loaded, and moreover, a plurality of pallets are stored in units. Therefore, it is difficult to selectively take out. For ammunition vehicles equipped with the above-mentioned storage shelves, the storage shelves are provided in two rows in front and rear, and the bullets are stored horizontally, so that a large number of bullets can be mounted, but the bullets in the rear row are The bullets cannot be taken out except after the bullets have been taken out from the storage shelves in the front row, and the number of bullets that can be selectively taken out is limited because the bullets are stored and taken out in plural units. Therefore, for each of the above ammunition vehicles,
To properly support a wide variety of artillery attack forms,
It is difficult to mount bullets.

In order to improve the self-propelled artillery's attack power, it is necessary to quickly supply bullets and charge from the ammunition vehicle to the self-propelled artillery. However, the ammunition vehicle provided with the above-mentioned pallet has a problem that it is difficult to supply the munitions quickly because the process of taking out the bullet from the pallet and suspending it on the lifting device is performed manually. For ammunition vehicles equipped with the above-mentioned storage shelves, after the bullets are once carried out to the carry-out elevator device, they are moved to the transfer bullet supply device and supplied to the self-propelled artillery, so that they cannot always be supplied promptly. Can not.

In some cases, bullets and ammunition are supplied during firing of the self-propelled artillery. However, since each of the above-mentioned ammunition vehicles is stopped and supplied behind the self-propelled artillery, the self-propelled artillery is supplied. May recede due to the recoil of the launch and collide with the ammunition vehicle.

When the self-propelled artillery is equipped with a bullet magazine and a charge magazine, it is necessary to take out the remaining bullets and the remaining charge and store them, that is, to drop the ammunition. It is difficult to safely and quickly drop ammunition.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances, and has as its object to mount a large number of various types of bullets or charges so as to be able to be selectively taken out, and to use various types of self-propelled artillery for attacking. It is to provide an ammunition vehicle that can assist. Another object of the present invention is to provide an ammunition vehicle that can supply a predetermined bullet or charge safely and promptly. It is another object of the present invention to provide an ammunition vehicle capable of safely and promptly dropping ammunition or remaining charge of a self-propelled artillery.

[0009]

In order to solve the above-mentioned problems, in the ammunition vehicle according to the present invention, a pair of bullets or charges are stored in a horizontal and multi-row manner so that the longitudinal direction of the ammunition is taken out. Each storage device is provided with a bullet or a charge taken in opposite directions in the left-right direction, and the interval between the two is opposite to each other so that the bullet or the charge can be taken out. It is provided in the front-back direction.

[0010] One of the storage devices may be a bullet storage device for storing a bullet, and the other may be a charge storage device for storing a charge, and each storage device may store a bullet or a charge. It may be.

The ammunition vehicle has push-out means provided on the rear side of each storage device so as to be able to move up and down and back and forth, and a carry-out mechanism for pushing out a predetermined bullet or a charge from each storage device and carrying it out. It is provided so as to move up and down and back and forth between the devices and protrude out of the luggage compartment, and has an ammunition tray on which bullets and charges are placed. An ammunition transfer mechanism configured to extrude either one of them may be provided. Also,
The ammunition transfer mechanism may be configured to push the ammunition and the charge on the ammunition tray to both the left and right sides.

[0012]

According to the present invention, bullets or charges are stored in each storage device in a multi-stage and multi-row manner so that the longitudinal direction thereof is the take-out direction. Effectively storing and storing, each storage device is provided in the front and rear direction of the luggage compartment with relatively few restrictions, so the number of rows can be easily increased and a large number of bullets or charges are loaded it can. In addition, since each storage device is provided on the left and right sides of the luggage compartment at an interval so as to be able to take out a bullet or a charge, all the bullets or the charge are affected by others. It can be arbitrarily selected without taking out.

When one storage device is a bullet storage device and the other storage device is a charge storage device, a single ammunition vehicle can supply a bullet and a charge required for a self-propelled gun.

In the case where the ammunition car is provided with an unloading mechanism and an ammunition transfer mechanism, the extruding means of the unloading mechanism and the ammunition tray of the ammunition transfer mechanism are positioned at a predetermined position where a predetermined bullet or charge is stored, and Activate the means to carry out a predetermined bullet or charge to the ammunition tray. The discharged bullet or charge is received by the ammunition tray, and the ammunition tray is moved backward and protrudes out of the luggage compartment. Then, the ammunition tray is positioned with respect to the self-propelled artillery, and the bullet or the charge is extruded and supplied to the self-propelled artillery.

When the ammunition transfer mechanism pushes a bullet or a charge in either direction, the remaining ammunition or the charge removed from the self-propelled artillery is received by the ammunition tray, and the ammunition tray is removed. It moves back and forth and up and down to position it at a predetermined position of each storage device, and selects an extrusion direction depending on whether the predetermined position is left or right and stores it at the predetermined position.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In the figure, reference numeral 1 denotes a self-propelled artillery. This self-propelled artillery 1 is provided with a bullet magazine 2 and a charge magazine 3 for storing bullets or charge in parallel in a horizontal direction and two stages of upper and lower magazines. , 3
A supply port 4 or a charge port 5 communicating with the fuel supply port is formed.

Reference numeral 6 denotes an ammunition vehicle. In a luggage compartment 7 of the ammunition vehicle, as shown in FIGS. 1 and 3, a bullet storage device 8 and a charge storage device 9 are fixed to the left and right sides in the front-rear direction. It is installed and spaced apart and opposed so that the bullet T and the charge S can be selectively taken out. Bullet storage device 8
Is designed to store the bullets T in a horizontal and multi-row manner so that the longitudinal direction thereof is the take-out direction, and is formed by a magazine or a container having a large number of storage spaces divided vertically and vertically. ing. The charge storage device 9
Like the bullet storage device 8, the charge S is stored horizontally and in multiple rows and rows. Each storage space of each of the storage devices 8 and 9 is assigned an address, and the type of the bullet T or the charge S in each storage space is recorded in a control device (not shown).

On the back side of each of the storage devices 8 and 9, a bullet discharge mechanism 10 or a charge discharge mechanism 11 for extruding and discharging the bullet T or the charge S is provided. Ammunition transfer mechanism 1 for mounting and transferring T and charge S
2 are provided.

The bullet unloading mechanism 10 is configured to bend only in one direction (counterclockwise in FIG. 1).
3, and the half-bent chain 13 includes a first case 14
And is driven to expand and contract by the first sprocket 15. The first case 14 is disposed below the bullet storage device 8 and is integrally attached to a lower end of the first elevating guide 16. The first lifting guide 16 is supported by a first traversing guide 17 extending in the front-rear direction above the luggage compartment 7 so as to be able to move back and forth, and is engaged with a rack of the first traversing guide 17. , And the first case 14 moves between the front and rear rows of the bullet storage device 8. On the other hand, the first sprocket 15 is provided with a first elevating piece 19 supported by a first elevating guide 16 so as to be vertically movable.
It is integrally attached to. The first lifting / lowering piece 19 is driven by a first lifting / lowering pinion 20 which engages with the rack of the first lifting / lowering guide 16, and the first sprocket 15 is moved by the bullet storage device 8.
It moves between the upper and lower stages. This allows
The first bending chain 13 is used as a whole for the bullet storage device 8.
The head moves between upper and lower rows while moving between the front and rear rows.

The operation of the first sprocket 15, the first traversing pinion 18, and the first lifting pinion 20 is controlled by a control device (not shown). For example, when carrying out a predetermined bullet T, the first traversing pinion 18 is driven to move the first elevating guide 16 forward or backward by a predetermined amount, and to position the first single bending chain 13 at a predetermined front-back position. The first lifting pinion 20 is driven to move the first sprocket 15 upward or downward by a predetermined amount, thereby positioning the head of the first bending chain 13 at a predetermined vertical position. That is, the head of the first one-side bending chain 13 is positioned at a predetermined position of the bullet storage device 8. Then, the first sprocket 15 is driven to extend the first one-side bent chain 13, and the head side thereof is rigidly extended, and pushes a predetermined bullet T to carry it out of the bullet storage device 8 to the ammunition transfer mechanism 12.

The charge discharging mechanism 11 is a second half-bend chain 2 that is bent only in one direction (counterclockwise in FIG. 1).
1 and the one-side bent chain 21 is provided with a second case 22
The second sprocket 23 is driven to expand and contract. The second case 22 is disposed below the charge storage device 9 and is integrally attached to a lower end of the second elevating guide 24. The second lifting guide 24 is supported by a second traversing guide 25 extending in the front-rear direction at the upper part of the luggage compartment 7 so as to be able to move back and forth, and is engaged with a rack of the second traversing guide 25. To move the second case 22 between the front and rear rows of the charge storage device 9. On the other hand, the second sprocket 23 is provided with a second elevating piece 27 supported by a second elevating guide 24 so as to be vertically movable.
It is integrally attached to. The second lifting / lowering piece 27 is driven by a second lifting / lowering pinion 28 engaged with the rack of the second lifting / lowering guide 25, and the second sprocket 23 is moved by the charging storage device 9.
It moves between the upper and lower stages. This allows
The second half-bend chain 21 is used as a whole for the charge storage device 9.
The head moves between upper and lower rows while moving between the front and rear rows.

The second bucket 23, the second traversing pinion 2
The operation of the sixth and second elevating pinion 28 is controlled by a control device (not shown). For example, when carrying out a predetermined charge S, the second traversing pinion 26 is driven to move the second elevating guide 25 forward or backward by a predetermined amount to position the second half-bend chain 21 at a predetermined front-back position. Then, the second lifting pinion 28 is driven to move the second sprocket 23 upward or downward by a predetermined amount, thereby positioning the head of the second half-bend chain 21 at a predetermined vertical position. That is, the head of the first one-side bent chain 21 is positioned at a predetermined position of the charge storage device 9. Then, the second sprocket 23 is driven to extend the second half-bend chain 21, and the head side thereof is rigidly extended, and pushes a predetermined charge S and carries it out of the charge storage device 9 to the ammunition transfer mechanism 12.

The ammunition transfer mechanism 12 includes a bullet T and a charge S
Is provided with an ammunition tray 29 on which is mounted. The ammunition tray 29 is moved by the pair of support guides 30 to the transfer mechanism main body 3.
The guide pinion 1 is supported so as to be able to move back and forth, and is driven by a tray pinion 32 that engages with the rack of each support guide 30. The transfer mechanism main body 31 includes a third lift guide 33
The ammunition tray 29 is moved between the upper and lower stages of each of the storage devices 8 and 9 by being driven by a third elevating pinion 34 which is guided and supported so as to be vertically movable and engages with the rack of the third elevating guide 33. I have. The third elevating guide 33 is supported by a third traversing guide 35 extending in the front-rear direction at the upper part of the luggage compartment 7 so as to be able to move back and forth, and is engaged with a rack of the third traversing guide 35. And the ammunition tray 29 moves between the front and rear rows of the storage devices 8 and 9. In addition, the third and fourth parts are provided below the ammunition tray 29.
Are provided. Each of the single bending chains 37 and 38 is wound and stored in the third case 39 and is driven to expand and contract by the third or fourth sprockets 40 and 41 to move the bullet T or the charge S on the ammunition tray 29 to the left or right. It extrudes toward one. This allows
The remaining ammunition from the self-propelled artillery 1 can be received and stored in each of the storage devices 8 and 9, so that the damp ammunition operation can be performed smoothly.

The operation of the tray pinion 32, the third lifting pinion 34, the third transverse pinion 36, the third and fourth sprockets 40 and 41 is controlled by a control device (not shown). For example, when supplying a bullet T, the third lifting pinion 34 is driven to move the transfer mechanism main body 31.
Is moved upward or downward by a predetermined amount, the ammunition tray 29 is positioned at a predetermined vertical position, and the third transverse pinion 36
Drives the transfer mechanism main body 31 forward or backward by a predetermined amount to position the ammunition tray 29 at a predetermined front-back position. That is, the ammunition tray 29 is positioned at a predetermined position of the bullet storage device 8. Then, after the predetermined bullet T carried out from the bullet storage device 8 is received by the ammunition tray 29, the third transverse pinion 36 is driven to drive the third lifting guide 33.
To the rear, and the ammunition tray 29 moves to the rear row side of the bullet storage device 8, that is, immediately before the opening of the luggage compartment 7. Next, the third elevating pinion 34 is driven to move the transfer mechanism main body 31 upward or downward by a predetermined amount, and to position the ammunition tray 29 so as to match the height of the bullet feed port 4 of the self-propelled gun. On the other hand, the tray pinion 32 is driven to move the support guide 30 backward by a predetermined amount, and the ammunition tray 29 is positioned so as to be immediately behind the bullet feed port 4 of the self-propelled gun. After positioning the ammunition tray 29 in the supply opening 4 of the self-propelled artillery, the third sprocket 40 is driven to extend the third half-bend chain 37 and push the bullet T on the ammunition tray 29 to the left to push the ammunition tray 29 to the left. Supply to Bullet Magazine 2.

The ammunition tray 29 may be provided with a sensor (not shown) for detecting the supply port 4 and the supply port 5, and the ammunition tray 29 is positioned at the opening side of the luggage compartment 7. Thereafter, the tray pinion 32 and the third elevating pinion 34 are driven by the signal from the sensor, and the ammunition tray 29 can be positioned at the bullet supply port 4 or the filler port 5.

The operation of this embodiment will be described below. When supplying the bullet T and the charge S to the self-propelled artillery 1 shown in FIG. 2, the ammunition vehicle 6 is stopped substantially orthogonally to the rear side of the self-propelled artillery 1. Each of the storage devices 8 and 9 of the ammunition vehicle 6 has various types of bullets T or charge S.
Are stored, and a predetermined bullet or charge is unloaded from each of the storage devices 8 and 9 by the bullet unloading mechanism 10 or the charge unloading mechanism 11, and is transferred out of the receiving baggage room 7 by the ammunition transfer mechanism 12, It is supplied to the supply opening 4 or the charging opening 5 of the self-propelled gun.

For example, when supplying the uppermost bullet T in the front row, the bullet discharge mechanism 10 and the ammunition transfer mechanism 12 are operated. As shown by a solid line in FIG. 3, FIG. 4, or FIG. 5, the first half-bend chain 13 of the bullet discharge mechanism and the ammunition tray 29 of the ammunition transfer mechanism set the position of the lowermost bullet in the front row to the standby position. And Then, the first lifting pinion 20 is driven to move the first sprocket 15 upward to position the head of the first one-side bending chain 13 at a predetermined position shown by a two-dot chain line in FIG. In addition, the third lifting pinion 3
4 drives to move the transfer mechanism main body 31 upward, and positions the ammunition tray 29 at a predetermined position indicated by a two-dot chain line in FIG. Then, the first sprocket 15 is driven to extend the first bent chain 13, and a predetermined bullet T is pushed out from the bullet storage device 8 and carried out to the ammunition tray 29. After receiving a predetermined bullet T in the ammunition tray 29, the third traversing pinion 36 is driven to move the third elevating guide 33 backward, and the ammunition tray 29 is moved to the rear row side of the bullet storage device 8, that is, the opening of the luggage compartment 7. Move to just before and stop. Thereafter, the third lifting pinion 34 is driven to move the transfer mechanism body 31 up and down to position the ammunition tray 29 so as to coincide with the height of the bullet supply port 4 of the self-propelled gun, and the tray pinion 32 is driven. The support guide 30 is moved backward, and the ammunition tray 29 is positioned so as to protrude from the luggage compartment 7 and to be immediately behind the supply opening 4 of the self-propelled gun. After the ammunition tray 29 is positioned at the supply opening 4 of the self-propelled artillery as shown in FIGS.
The chain bucket 40 is driven to extend the third bending chain 37, push the bullet T from the ammunition tray 29 to the left, and supply the bullet T to the bullet magazine 2 of the self-propelled gun. Thereafter, in the same manner, the kind of bullet T required for the bullet magazine 2 of the self-propelled gun is selected, and the required quantity is automatically supplied.

When the remaining bullet T of the self-propelled artillery 1 is dropped, the ammunition car 6 is stopped at the rear side of the self-propelled artillery 1 and the ammunition tray 29 is supplied with the self-propelled artillery. Position it in mouth 4. Then, after taking out the remaining bullet T from the self-propelled gun 1 and placing it on the ammunition tray 29, the tray pinion 32, the third elevating pinion 34, and the third traversing pinion 36 are driven, and the bullet storage device 8 is selected in advance. Ammunition tray 2 in storage space
Position 9 Next, the fourth sprocket 41 is driven to extend the fourth bent chain 38, and the remaining bullet T is pushed out from the ammunition tray 29 and stored in the bullet storage device 8.
Thereafter, similarly, the remaining bullet T of the self-propelled gun 1 is taken out and stored. At this time, the relationship between the type of the residual bullet T and the storage space is recorded in a control device (not shown), and when the supply is performed again, the supply can be selectively performed in the same manner as described above.

When a bullet T is loaded into the ammunition cart 6 at the ammunition loading area, the ammunition tray 29 is protruded out of the luggage compartment 7 and the bullet T is placed on the ammunition tray 29. Thereafter, the remaining bullet T of the self-propelled gun 1 is stored in the bullet storage device 8 in the same manner as when the bullet is dropped.

Also, the charge S is supplied to the self-propelled artillery 1 in the same manner as in the case of the bullet T, the remaining charge T of the self-propelled artillery 1 is discharged, and loaded on the ammunition vehicle 6 at the ammunition loading area. Can be included.
Even when the charge S is of a split type, the charge transfer device 11 has the second bending chain 21 and the ammunition transfer mechanism 10 controls the third and fourth bending chains 37 and 38. Since they are pushed out of the charge storage device 9 or the ammunition tray 29 by these one-side bent chains 21, 37, 38, they can be handled safely and reliably.

According to the present embodiment, since a bullet storage device 8 and a charge storage device 9 are provided, and a bullet discharge mechanism 10, a charge discharge mechanism 11, and a ammunition transfer mechanism 12 are provided, one ammunition vehicle is provided. Thus, not only the bullet T but also the charge S can be supplied to the self-propelled artillery 1 safely and quickly without requiring any labor. The ammunition transfer mechanism 12 has an ammunition tray 29 on which a bullet T and a charge S are placed.
, The vehicle stops at the rear side of the self-propelled artillery 1 and can be supplied from a short distance, so that higher safety during supply can be ensured.

Since the ammunition tray 29 of the ammunition transfer mechanism is provided with the third and fourth half-bend chains 37 and 38,
The remaining ammunition S, T of the self-propelled artillery 1 can be safely and quickly dropped.

Since the bullet discharge mechanism 10, the charge discharge mechanism 11 and the ammunition transfer mechanism 12 have the first, second, third and fourth single bending chains 13, 21, 37 and 38, the ammunition vehicle Can be made more compact.

In this embodiment, the bullet discharge mechanism 1
0, the vertical movement and the longitudinal movement of the first half-bend chain 13, the second half-bend chain 21, the ammunition tray 29, the transfer mechanism main body 31 and the like in the charge discharging mechanism 11 and the ammunition transfer mechanism 12 are other than the combination of rack and pinion. The means may be performed by means.

[0035]

According to the present invention, a pair of storage devices for storing bullets or charges horizontally and in multiple rows and columns are provided on the left and right sides of the luggage compartment in the front-rear direction. Since the number of rows of each storage device can be easily increased without being relatively limited, a large number of bullets or charges can be mounted. Also, by providing each storage device in the front-rear direction on the left and right sides of the luggage compartment so that the ejection direction of the bullet or the charge is opposite to each other in the left-right direction, the bullets or the charge can be selectively provided from each storage device. Can be taken out.

By using one storage device as a bullet storage device and the other storage device as a charge storage device, a bullet and a charge required for the self-propelled gun can be selectively taken out.

By providing the unloading mechanism and the ammunition transfer mechanism, a predetermined bullet or ammunition can be supplied safely and quickly without requiring any labor. In addition, the ammunition transfer mechanism has an ammunition tray for loading bullets and ammunition, and by moving this ammunition tray out of the luggage compartment, it stops at the rear side of the self-propelled artillery and is very close Because it can be supplied from a distance,
Higher safety during supply can be ensured.

By causing the ammunition transfer mechanism to push the ammunition or the charge from the ammunition tray in either the left or the right direction, the remaining ammunition or the ammunition of the self-propelled artillery can be safely and quickly dropped.

[Brief description of the drawings]

FIG. 1 is a diagram for explaining an embodiment of the present invention; FIG.
FIG. 2 shows an enlarged cross-sectional view along the line A.

FIG. 2 is a conceptual explanatory view of an embodiment of the present invention, a part of which is shown in a broken section.

FIG. 3 is a sectional view taken along the line BB of FIG. 1;

FIG. 4 is a sectional view taken along line CC of FIG. 1;

FIG. 5 is a sectional view taken along line DD of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Self-propelled artillery 4 Self-propelled artillery supply hole 5 Self-propelled artillery charge opening 6 Ammunition car 7 Ammunition car luggage room 8 Bullet storage device 9 Charge storage device 10 Bullet discharge mechanism 11 Charge discharge mechanism 12 Ammunition transfer Mechanism 13 1st bending chain 21 2nd bending chain 29 Ammunition tray 37 3rd bending chain 38 4th bending chain S Charge T bullet

Claims (4)

(57) [Claims] 1. An ammunition vehicle equipped with a bullet or a charge to be supplied to a self-propelled artillery, and a pair of storage devices for storing the bullet or the charge horizontally and in a multi-stage and multi-row manner such that a longitudinal direction of the bullet or the charge is taken out. In each storage device, the take-out direction of the bullet or the charge is opposite to each other in the left-right direction, and the interval between them is opposite to the left-right side of the luggage compartment so that the bullet or the charge can be taken out. An ammunition vehicle, which is provided in a car. 2. The ammunition vehicle according to claim 1, wherein one of the storage devices is a bullet storage device for storing a bullet, and the other is a charge storage device for storing a charge. 3. An unloading mechanism having an extruding means provided on the back side of each storage device so as to be movable up and down and back and forth, and extruding a predetermined bullet or charge from each storage device and discharging the same.
It is provided so as to move up and down and back and forth between the storage devices and to protrude out of the luggage compartment, and has an ammunition tray on which a bullet and a charge are placed. 3. The ammunition vehicle according to claim 1, further comprising: an ammunition transfer mechanism for extruding one of the ammunition. 4. The ammunition vehicle according to claim 3, wherein the ammunition transfer mechanism pushes the ammunition and the charge on the ammunition tray to both the left side and the right side.