JP2013088104A - Accelerating tube for electromagnetic accelerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an accelerating tube for an electromagnetic accelerator which can be easily assembled and disassembled and allows the size of armature passing space to be defined accurately.SOLUTION: When closely brought into contact with each other, a pair of rails (1T and 1B) and insulators (2L and 2R) are configured in such a form that they can be combined to form a space with a predetermined size through which an armature can pass. When a hydraulic cylinder (5T) is extended, a frame body (4) deforms elastically so as to extend in a vertical direction, so that the frame body (4) deforms elastically so as to contract in a horizontal direction, a spacer for left insulator (3L) pushes the left insulator (2L), a spacer for right insulator (3R) pushes the right insulator (2R), and the rails (1T and 1B), the insulators (2L and 2R), the frame body (4), the spacer for the insulators (3L and 3R), the hydraulic cylinder (5T), the spacer for the upper rail (7T), and the spacer for the lower rail (7B) are unified. Thus, when the rails and insulators are closely brought into contact with each other, the armature passing space is formed in accurate size. When the hydraulic cylinder is shortened, a gap is opened, thereby facilitating assembly and disassembly.

Description

  The present invention relates to an acceleration tube for an electromagnetic accelerator, and more particularly to an acceleration tube for an electromagnetic accelerator that can be easily assembled / disassembled and can accurately define the size of a space through which an armature passes.

  Conventionally, a left rail and a right rail that face each other in the left-right direction across a space through which an armature passes and have an inclined surface with an upper edge portion and a lower edge portion that are open to the outside, and the left rail and the right rail. A frame surrounding the frame, a left spacer interposed between the rear surface of the left rail and the inner surface of the frame, a right spacer interposed between the rear surface of the right rail and the inner surface of the frame, and the left A lower spacer having an inclined surface matching an inclined surface of a lower edge portion of the rail and the right rail and existing between an inclined surface of the lower edge portion of the left rail and the right rail and an inner surface of the frame body; An upper spacer having an inclined surface adapted to the inclined surface of the upper edge of the rail and the right rail and existing between the inclined surface of the upper edge of the left rail and the right rail and the inner surface of the frame; The corresponding inclined surface of at least one of the spacer and the lower spacer A pressing mechanism that presses against the inclined surface of the rail, and when the pressing mechanism presses at least one inclined surface of the upper spacer and the lower spacer against the corresponding inclined surface of the rail, the left rail and the right When the rail, the frame, the left spacer, the right spacer, the lower spacer, and the upper spacer are integrated and do not press, the left rail, the right rail, the frame, the left spacer, the right spacer, There is known an acceleration tube for an electromagnetic accelerator having a configuration in which a gap can be formed between the lower spacer and the upper spacer (see, for example, Patent Document 1).

JP 2008-232581 A

In the conventional acceleration tube for an electromagnetic accelerator, when the inclined surfaces of the lower spacer and the upper spacer are pressed against the inclined surfaces of the left rail and the right rail by the pressing mechanism, the left rail, the right rail, the frame, the left spacer, the right spacer, The lower spacer and upper spacer are integrated, and by releasing the pressing by the pressing mechanism, a gap is created between the left rail, right rail, frame, left spacer, right spacer, lower spacer, and upper spacer. There was an advantage that it could be decomposed.
However, the sliding of the inclined surfaces of the left and right rails with the inclined surfaces of the lower spacer and the upper spacer does not accurately determine the distance between the left rail and the right rail and the distance between the lower spacer and the upper spacer, so the armature passes. There was a problem that it was difficult to accurately define the dimensions of the space.
Accordingly, an object of the present invention is to provide an acceleration tube for an electromagnetic accelerator that can be easily assembled / disassembled and can accurately define the size of a space through which an armature passes.

In a first aspect, the present invention relates to a pair of parallel rails (1T, 1B) facing each other across a space through which an armature passes, and parallel to the rails (1T, 1B) and the rails (1T, 1B). A pair of insulators (2L, 2R) facing in a direction orthogonal to the facing direction of 1B), a frame (4) surrounding the rails (1T, 1B) and the insulators (2L, 2R), A pair of insulator spacers (3L, 3R) interposed between the back surface of the insulator (2L, 2R) and the inner surface of the frame (4); and the back surface of one of the pair of rails (1T) A first pressing force generating means that is provided between the inner surfaces of the frame body (4) and that can generate a pressing force that widens the distance between them; a back surface of the other (1B) of the pair of rails; and the frame body (4 ) Between the inner surfaces of the rail spacers (7B), The rails (1T, 1B) and the insulators (2L, 2R) have a combined shape capable of forming a space of a predetermined dimension through which the armature passes in a state where they are in close contact with each other. When the pressure generating means generates a pressing force that increases the distance between the back surface of one of the pair of rails (1T) and the inner surface of the frame body (4), one of the pair of rails (1T) becomes the insulator (2L). , 2R), the insulator (2L, 2R) is pressed against the other (1B) of the pair of rails, and the other (1B) of the rail is pressed against the rail spacer (7B). The spacer (7B) is pressed against the inner surface of the frame (4), and the frame (4) elastically deforms so that the pair of rails (1T, 1B) extend in the opposite direction. The pair of insulators (2 , 2R) is elastically deformed so that the frame (4R) is contracted in the opposite direction, and a pressing force is generated to reduce the distance between the pair of insulators (2L, 2R), and the insulators (2L, 2R) are generated. ) Against the rail (1T, 1B), the rail (1T, 1B), the insulator (2L, 2R), the frame (4), the insulator spacer (3L, 3R), and the pressing force. The generating means and the rail spacer (7B) are integrated, and the first pressing force generating means increases the distance between the back surface of one of the pair of rails (1T) and the inner surface of the frame (4). When no pressure is generated, the inner surface of the frame (4), the pressing force generating means, the rail spacer (7B), the insulator spacer (3L, 3R) and the rail (1T, 1B) And the insulator (2L, 2R) and the insulation There is provided an acceleration tube for an electromagnetic accelerator, characterized in that a gap can be formed between a body (2L, 2R) and the insulator spacer (3L, 3R).
In the acceleration tube for an electromagnetic accelerator according to the first aspect, when no pressing force is generated by the first pressing force generating means, the inner surface of the frame (4), the pressing force generating means, and the rail spacer ( 7B) and the insulator spacer (3L, 3R), between the rail (1T, 1B) and the insulator (2L, 2R), and between the insulator (2L, 2R) and the insulator spacer ( 3L, 3R), a gap can be formed, so that it can be easily assembled / disassembled. On the other hand, when the pressing force is generated by the first pressing force generating means after assembly, the rail (1T, 1B) and the insulator (2L, 2R) are caused by the pressing force and the elastic force of the frame (4). The frame (4), the insulator spacers (3L, 3R), the pressing force generating means, and the rail spacer (7B) are integrated. Since the rails (1T, 1B) and the insulators (2L, 2R) are in close contact with each other, a space of a predetermined dimension through which the armature passes can be accurately formed.
In the above configuration, the facing direction of the rails (1T, 1B) may be the vertical direction, the horizontal direction, or the oblique direction.

In a second aspect, the present invention relates to the acceleration tube for an electromagnetic accelerator according to the first aspect, wherein the pair of rails (1T, 1B) are provided with the insulator (2L, 2R) at both edges of the opposing surface. An accelerator tube for an electromagnetic accelerator is provided, wherein the insulator (2L, 2R) has a rectangular cross section.
In the acceleration tube for an electromagnetic accelerator according to the second aspect, the metal rails (1T, 1B) have a complicated shape, for example, the insulators (2L, 2R) made of a laminate of ceramics and metal thin plates have a simple shape. So easy to manufacture.

In a third aspect, the present invention provides the acceleration tube for an electromagnetic accelerator according to the first or second aspect, wherein the first pressing force generating means is a hydraulic device (5T) and a spacer (7T). An acceleration tube for an electromagnetic accelerator characterized by the above is provided.
In the acceleration tube for an electromagnetic accelerator according to the third aspect, the components can be firmly integrated by increasing the hydraulic pressure. Moreover, it can be disassembled by reducing the hydraulic pressure. Further, by controlling the oil pressure, the integrity of the acceleration tube can be stably controlled and maintained.

In a fourth aspect, the present invention provides the acceleration tube for an electromagnetic accelerator according to the first or second aspect, wherein the first pressing force generating means is a tapered surface in a direction in which the rail (1T, 1B) extends. There is provided an acceleration tube for an electromagnetic accelerator characterized by a wedge member (7Ta, 7Tb) having
In the acceleration tube for an electromagnetic accelerator according to the fourth aspect, the components can be firmly integrated by driving a wedge member (7Ta, 7Tb). Further, the wedge member (7Ta, 7Tb) can be disassembled by removing it. Further, the configuration is simpler than the hydraulic device, and the weight can be reduced.

In a fifth aspect, the present invention provides the acceleration tube for an electromagnetic accelerator according to any one of the first to fourth aspects, wherein the other of the pair of rails (1B) instead of the rail spacer (7B). An acceleration tube for an electromagnetic accelerator is provided, characterized in that it comprises second pressing force generating means that is present between the back surface of the frame and the inner surface of the frame (4) and can generate a pressing force that widens the gap between them. To do.
In the acceleration tube for an electromagnetic accelerator according to the fifth aspect, the first pressing force generating means presses one rail (1T) and the second pressing force generating means presses the other rail (1B). The position of the central axis of the space through which the child passes can be adjusted. For example, the position of the central axis of the space through which the armature passes can be made coincident with the central axis of the frame (4) to improve symmetry.

In a sixth aspect, the present invention provides the electromagnetic accelerator acceleration pipe according to the fifth aspect, wherein the second pressing force generating means is a hydraulic device (5B) and a spacer (7B). An acceleration tube for an electromagnetic accelerator is provided.
In the acceleration tube for an electromagnetic accelerator according to the sixth aspect, the integrity of the acceleration tube can be stably controlled and maintained by controlling the hydraulic pressure.

In a seventh aspect, the present invention relates to the acceleration tube for an electromagnetic accelerator according to the fifth aspect, wherein the second pressing force generation means has a wedge surface having a tapered surface extending in the direction in which the rails (1T, 1B) extend. Provided is an acceleration tube for an electromagnetic accelerator characterized by being a member (7Ba, 7Bb).
The acceleration tube for an electromagnetic accelerator according to the seventh aspect is simpler and lighter than a hydraulic device.

In an eighth aspect, the present invention relates to the acceleration tube for an electromagnetic accelerator according to any one of the first to seventh aspects, wherein the pair of insulators is used instead of the pair of insulator spacers (3L, 3R). A third pressing force generating means and a fourth pressing force generating means which are present between the back surface of the body (2L, 2R) and the inner surface of the frame body (4) and which can generate a pressing force which widens the distance between them; An acceleration tube for an electromagnetic accelerator characterized by the above is provided.
In the acceleration tube for an electromagnetic accelerator according to the eighth aspect, the frame (4) is deformed by the pressing force of the first pressing force generating means (or the first pressing force generating means and the second pressing force generating means). Even when the pressing force for reducing the distance between the generated pair of insulators (2L, 2R) is weak, the insulator (2L, 2R) is railed by the third pressing force generating means and the fourth pressing force generating means. (1T, 1B) can be pressed. Accordingly, it is possible to cope with a case where the pressing force generated by the first pressing force generation means (or the first pressing force generation means and the second pressing force generation means) is small, or a case where the rigidity of the frame body (4) is high.

In a ninth aspect, the present invention relates to the acceleration tube for an electromagnetic accelerator according to the eighth aspect, wherein the third pressing force generating means has a wedge surface having a taper surface extending in the direction in which the rail (1T, 1B) extends. Electromagnetic acceleration characterized by being a member (3La, 3Lb), wherein the fourth pressing force generating means is a wedge member (3Ra, 3Rb) having a tapered surface extending in the direction in which the rail (1T, 1B) extends. An acceleration tube for an apparatus is provided.
In the acceleration tube for an electromagnetic accelerator according to the ninth aspect, the configuration is simplified and the weight can be reduced as compared with the case where a hydraulic device is used as the pressing force generating means.

  According to the acceleration tube for an electromagnetic accelerator of the present invention, it is possible to easily assemble / disassemble and accurately define the size of the space through which the armature passes.

It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator (before integration) according to the first embodiment. A cross section perpendicular to the central axis of the space through which the armature passes is defined as a cross section. It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator according to Example 1 (after integration). It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator (before integration) according to a second embodiment. It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator (before integration) according to a third embodiment. It is a longitudinal cross-sectional view which shows the acceleration tube for electromagnetic accelerators (before integration) which concerns on Example 3. FIG. In addition, let the cross section of the direction which contains the central axis of the space which an armature passes and a pair of rails oppose be a longitudinal cross section. It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator according to a third embodiment (after integration). It is a longitudinal cross-sectional view which shows the acceleration tube for electromagnetic accelerators (before integration) which concerns on Example 3. FIG. It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator (before integration) according to a fourth embodiment. It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator (before integration) according to a fifth embodiment. It is a longitudinal cross-sectional view which shows the acceleration tube for electromagnetic accelerators (before integration) which concerns on Example 5. FIG. It is a cross-sectional view showing an acceleration tube for an electromagnetic accelerator according to a fifth embodiment (after integration). It is a longitudinal cross-sectional view which shows the acceleration tube for electromagnetic accelerators (after integration) which concerns on Example 5. FIG.

  Hereinafter, the present invention will be described in more detail with reference to embodiments shown in the drawings. Note that the present invention is not limited thereby.

Example 1
FIG. 1 is a cross-sectional view illustrating a state before the acceleration tube 10 for an electromagnetic accelerator according to the first embodiment is integrated.

  This acceleration tube 10 for an electromagnetic accelerator is parallel to the upper rail 1T and the lower rail 1B, which are opposed to each other in the vertical direction across a space through which the armature passes, and is opposed to the rails 1T and 1B. The left insulator 2L and the right insulator 2R facing in the left-right direction orthogonal to the direction, the frame 4 surrounding the rails 1T, 1B and the insulators 2L, 2R, the back surface of the left insulator 2L, and the frame 4 The left insulator spacer 3L interposed between the inner surfaces, the right insulator spacer 3R interposed between the back surface of the right insulator 2R and the inner surface of the frame body 4, the back surface of the upper rail 1T, and the inner surface of the frame body 4 Between the rear surface of the lower rail 1B and the inner surface of the frame body 4 and the hydraulic cylinder 5T and the upper rail spacer 7T that can generate a pressing force between them. It has.

The upper rail 1T has a cross-sectional convex shape having a notch portion into which the upper corner portion of the opposing surfaces of the insulators 2L and 2R is fitted at the lower surface edge portion, and is made of, for example, copper. The notch portion of the upper rail 1T has vertical surfaces 1Ta and 1Tb and horizontal surfaces 1Tc and 1Td on which the upper corners of the opposing surfaces of the insulators 2L and 2R can come into close contact.
The lower rail 1B has a cross-sectional convex shape having a notch portion into which the lower corner portion of the opposing surface side of the insulators 2L and 2R is fitted on the upper surface edge, and is made of, for example, copper. The notch portion of the lower rail 1B has vertical surfaces 1Ba and 1Bb and horizontal surfaces 1Bc and 1Bd with which the lower corners of the opposing surfaces of the insulators 2L and 2R can come into close contact.

  Each of the left insulator 2L and the right insulator 2R has a rectangular cross section, and is made of, for example, a non-carbonized rail ceramic, a laminate of a ceramic and a thin metal plate, or a glass epoxy resin.

  The frame 4 is a seamless cylindrical body and is made of, for example, steel.

  Each of the left insulator spacer 3L and the right insulator spacer 3R has a bowl shape, and is made of, for example, a non-carbonized rail ceramic, a laminate of a ceramic and a thin metal plate, or a glass epoxy resin.

The upper rail spacer 7T has a rectangular cross section, and is made of, for example, a non-carbonized rail ceramic, a laminate of ceramic and metal thin plate, or a glass epoxy resin.
The lower rail spacer 7B is a convex surface that has a flat upper surface and a bottom surface that can come into close contact with the inner surface of the frame 4, and is made of, for example, a non-carbonized rail ceramic or a laminate of ceramic and metal thin plate or glass. Made of epoxy resin.

  As shown in FIG. 1, when the hydraulic cylinder 5T is contracted, it is insulated between the inner surface of the frame body 4 and the hydraulic cylinder 5T, between the inner surface of the frame body 4 and the lower rail spacer 7B, and from the inner surface of the frame body 4. There may be gaps between the body spacers 3L and 3R, between the rails 1T and 1B and the insulators 2L and 2R, and between the insulators 2L and 2R and the insulator spacers 3L and 3R. Therefore, it can be easily disassembled and assembled.

  As shown in FIG. 2, when the hydraulic cylinder 5T is extended, the hydraulic cylinder 5T pushes the inner surface of the frame 4 and the upper rail spacer 7T, the upper rail spacer 7T pushes the upper rail 1T, and the upper rail 1T The insulators 2L and 2R are pushed, the insulators 2L and 2R push the lower rail 1B, the lower rail 1B pushes the lower rail spacer 7B, and the lower rail spacer 7B pushes the inner surface of the frame body 4. As a result, the frame 4 is elastically deformed so as to extend in the vertical direction. As a result, the frame 4 is elastically deformed so as to be contracted in the left-right direction. The body spacer 3R presses the right insulator 2R to generate a pressing force that reduces the distance between the insulators 2L and 2R, and presses the insulators 2L and 2R against the rails 1T and 1B. Thus, the rails 1T and 1B, the insulators 2L and 2R, the frame 4, the insulator spacers 3L and 3R, the hydraulic cylinder 5T, the upper rail spacer 7T, and the lower rail spacer 7B are integrated.

When the rails 1T and 1B and the insulators 2L and 2R are in close contact with each other, a space through which the armature passes is formed with an accurate dimension.
The height of the space through which the armature passes = “the length in the vertical direction of the insulators 2L and 2R” − “the height of the vertical surface 1Ta of the notched portion of the upper rail 1T” − “the height of the notched portion of the lower rail 1B” The height of the vertical surface 1Ba ". In addition, “the height of the vertical surface 1Ta of the notched portion of the upper rail 1T” = “the height of the vertical surface 1Tb of the notched portion of the upper rail 1T”. Further, “the height of the vertical surface 1Ba of the notched portion of the lower rail 1B” = “the height of the vertical surface 1Bb of the notched portion of the lower rail 1B”.
The width of the space through which the armature passes = “the interval between the vertical surface 1Ta and the vertical surface 1Tb of the notch of the upper rail 1T”. Note that “the interval between the vertical surface 1Ta and the vertical surface 1Tb of the notch portion of the upper rail 1T” = “the interval between the vertical surface 1Ba and the vertical surface 1Bb of the notch portion of the lower rail 1B”.

  According to the acceleration tube 10 for an electromagnetic accelerator of the first embodiment, the assembly / disassembly can be easily performed and the dimension of the space through which the armature passes can be accurately defined.

-Example 2-
FIG. 3 is a cross-sectional view illustrating the acceleration tube 20 for an electromagnetic accelerator according to the second embodiment.
The acceleration tube 20 for an electromagnetic accelerator is the same as the acceleration tube 10 for the electromagnetic accelerator of the first embodiment except that a hydraulic cylinder 5B and a lower rail spacer 7B ′ are used instead of the lower rail spacer 7B of the first embodiment. It is the composition.

  According to the acceleration tube 20 for the electromagnetic accelerator of the second embodiment, the first hydraulic cylinder 5T pushes the upper rail 1T, and the second hydraulic cylinder 5B pushes the lower rail 1B. The position of the axis can be adjusted. In other words, the position of the central axis of the space through which the armature passes can be made coincident with the central axis of the frame 4 to improve symmetry.

Example 3
FIG. 4 is a cross-sectional view illustrating the acceleration tube 30 for an electromagnetic accelerator according to the third embodiment.
The acceleration tube 30 for an electromagnetic accelerator is an acceleration for the electromagnetic accelerator of the first embodiment except that a pair of upper rail wedge members 7Ta and 7Tb are used instead of the hydraulic cylinder 5T and the upper rail spacer 7T of the first embodiment. The configuration is the same as that of the tube 10.

5 is a cross-sectional view taken along line AA ′ of FIG.
The wedge members 7Ta and 7Tb are inserted into the gap between the back surface of the upper rail 1T and the inner surface of the frame 4 from both sides of the frame 4.
The wedge members 7Ta and 7Tb have tapered surfaces in the direction in which the rails 1T and 1B extend. When the two tapered surfaces are slid together, the outer surfaces of the wedge members 7Ta and 7Tb are the rear surface of the rail 1T and the inner surface of the frame body 4. Parallel to

  In the state of FIG. 5, between the inner surface of the frame 4 and the wedge member 7Tb, between the inner surface of the frame 4 and the lower rail spacer 7B, between the inner surface of the frame 4 and the insulator spacers 3L and 3R, the rail 1T. , 1B and the insulators 2L and 2R and between the insulators 2L and 2R and the insulator spacers 3L and 3R can be easily disassembled and assembled.

  As shown in FIGS. 6 and 7, when the wedge members 7Ta and 7Tb are driven, the wedge members 7Ta and 7Tb push the inner surface of the frame body 4 and the upper rail 1T, and the upper rail 1T pushes the insulators 2L and 2R. The insulators 2L and 2R push the lower rail 1B, the lower rail 1B pushes the lower rail spacer 7B, and the lower rail spacer 7B pushes the inner surface of the frame body 4. As a result, the frame 4 is elastically deformed so as to extend in the vertical direction. As a result, the frame 4 is elastically deformed so as to be contracted in the left-right direction. The body spacer 3R presses the right insulator 2R to generate a pressing force that reduces the distance between the insulators 2L and 2R, and presses the insulators 2L and 2R against the rails 1T and 1B. Thus, the rails 1T and 1B, the insulators 2L and 2R, the frame 4, the insulator spacers 3L and 3R, the wedge members 7Ta and 7Tb, and the lower rail spacer 7B are integrated.

  When the rails 1T and 1B and the insulators 2L and 2R are in close contact with each other, a space through which the armature passes is formed with an accurate dimension.

  According to the acceleration tube 30 for the electromagnetic accelerator of the third embodiment, the assembly / disassembly can be easily performed and the dimension of the space through which the armature passes can be accurately defined. In addition, the configuration can be simplified and reduced in weight compared to using a hydraulic device.

  When the tapered surfaces of the pair of wedge members 7Ta and 7Tb are slid together, the outer surfaces of the wedge members 7Ta and 7Tb are parallel to the rear surface of the upper rail 1T and the inner surface of the frame body 4, so that the wedge member 7Ta In order to endure the repulsive force between the rails 1T and 1B generated when accelerating the armature without generating a gap between the outer surface of the upper rail 1T and the back surface of the upper rail 1T and between the outer surface of the wedge member 7Tb and the inner surface of the frame body 4. There will be no trouble.

Example 4
FIG. 8 is a cross-sectional view illustrating the acceleration tube 40 for an electromagnetic accelerator according to the fourth embodiment.
The acceleration tube 40 for an electromagnetic accelerator has the same configuration as the acceleration tube 30 for the electromagnetic accelerator of the third embodiment except that a pair of wedge members 7Ba and 7Bb are used instead of the lower rail spacer 7B of the third embodiment. is there.

  According to the acceleration tube 40 for the electromagnetic accelerator of the fourth embodiment, the upper rail 1T is pushed by the first wedge members 7Ta and 7Tb, and the lower rail 1B is pushed by the second wedge members 7Ba and 7Bb, so that the armature passes. The position of the central axis of the space to be adjusted can be adjusted. In other words, the position of the central axis of the space through which the armature passes can be made coincident with the central axis of the frame 4 to improve symmetry.

-Example 5
FIG. 9 is a cross-sectional view illustrating an acceleration tube 50 for an electromagnetic accelerator according to a fifth embodiment.
This acceleration tube 50 for an electromagnetic accelerator is that of the fourth embodiment except that wedge members 3La and 3Lb and wedge members 3Ra and 3Rb are used in place of the left insulator spacer 3L and the right insulator spacer 3R of the fourth embodiment. The configuration is the same as the acceleration tube 40 for an electromagnetic accelerator.

10 is a cross-sectional view taken along the line BB ′ of FIG.
The wedge members 3La and 3Lb are inserted into the gap between the back surface of the left insulator 2L and the inner surface of the frame 4 from both sides of the frame 4. Also, wedge members 3Ra and 3Rb are inserted into the gap between the back surface of the right insulator 2R and the inner surface of the frame body 4.
The wedge members 3La and 3Lb have tapered surfaces in the direction in which the rails 1T and 1B extend. When the two tapered surfaces are slid together, the outer surfaces of the wedge members 3La and 3Lb are the back surface of the left insulator 2L and the frame 4. Parallel to the inner surface.
The wedge members 3Ra and 3Rb have tapered surfaces extending in the direction of the rails 1T and 1B. When the two tapered surfaces are slid together, the outer surfaces of the wedge members 3Ra and 3Rb are the back surface and the frame of the right insulator 2R. Parallel to the inner surface of the body 4.

  In the state of FIG. 10, between the inner surface of the frame body 4 and the wedge member 7Tb, between the inner surface of the frame body 4 and the wedge member 7Bb, between the inner surface of the frame body 4 and the wedge member 3Lb, and between the inner surface of the frame body 4 and the wedge member. 3Rb, between the rails 1T and 1B and the insulators 2L and 2R, between the wedge member 3La and the wedge member 3Lb, between the wedge member 3Ra and the wedge member 3Rb, and between the insulators 2L and 2R and the wedge members 3La and 3Ra. Since a gap can occur between the two, it can be easily disassembled or assembled.

As shown in FIGS. 11 and 12, when the wedge members 7Ta, 7Tb, 7Ba, 7Bb, 3La, 3Lb, 3Ra, 3Rb are driven, the wedge members 7Ta, 7Tb push the inner surface of the frame body 4 and the upper rail 1T. The wedge members 7Ba and 7Bb push the inner surface of the frame body 4 and the lower rail 1B, and the upper rail 1T and the lower rail 1B push so as to sandwich the insulators 2L and 2R. Further, the wedge members 3La and 3Lb push the inner surface of the frame 4 and the left insulator 2L, the wedge members 3Ra and 3Rb push the inner surface and the right insulator 2R of the frame 4, and the insulators 2L and 2R are connected to the upper rail 1T. Push to hold the lower rail 1B. Thus, the rails 1T and 1B, the insulators 2L and 2R, the frame body 4, and the wedge members 7Ta, 7Tb, 7Ba, 7BTb, 3La, 3Lb, 3Ra, and 3Rb are integrated.
The frame body 4 is elastically deformed so as to extend in the vertical and horizontal directions, but the deformation may be smaller than in the first to fourth embodiments.

  When the rails 1T and 1B and the insulators 2L and 2R are in close contact with each other, a space through which the armature passes is formed with an accurate dimension.

  According to the acceleration tube 50 for an electromagnetic accelerator of the fifth embodiment, the assembly / disassembly can be easily performed and the dimension of the space through which the armature passes can be accurately defined. In addition, the configuration can be simplified and reduced in weight compared to using a hydraulic device.

  When the tapered surfaces of the pair of wedge members 7Ta and 7Tb are slid together, the outer surfaces of the wedge members 7Ta and 7Tb are parallel to the rear surface of the upper rail 1T and the inner surface of the frame body 4, so that the wedge member 7Ta No gap is formed between the outer surface of the upper rail 1T and the back surface of the upper rail 1T and between the outer surface of the wedge member 7Tb and the inner surface of the frame body 4. Similarly, no gap is generated between the outer surface of the wedge member 7Ba and the back surface of the lower rail 1B and between the outer surface of the wedge member 7Bb and the inner surface of the frame body 4. Further, no gap is generated between the outer surface of the wedge member 3La and the back surface of the left insulator 2L and between the outer surface of the wedge member 3Lb and the inner surface of the frame body 4. Further, no gap is generated between the outer surface of the wedge member 3Ra and the back surface of the right insulator 2R and between the outer surface of the wedge member 3Rb and the inner surface of the frame body 4. Therefore, there is no problem in withstanding the repulsive force between the rails 1T and 1B generated when the armature is accelerated.

  The acceleration tube for an electromagnetic accelerator of the present invention can be used for an electromagnetic accelerator.

1T Upper rail 1B Lower rail 2L Left insulator 2R Right insulator 3L Left insulator spacer 3La, 3Lb Wedge member 3R Right insulator spacer 3Ra, 3Rb Wedge member 4 Frame 5T, 5B Hydraulic cylinder 7B Lower rail spacer 7Ba , 7Bb Wedge member 7T Upper rail spacer 7Ta, 7Tb Wedge member 10-50 Acceleration tube for electromagnetic accelerator

Claims (9)

A pair of parallel rails (1T, 1B) facing each other across a space through which the armature passes, and in a direction parallel to the rails (1T, 1B) and perpendicular to the facing direction of the rails (1T, 1B) A pair of opposing insulators (2L, 2R), a frame (4) surrounding the rails (1T, 1B) and the insulators (2L, 2R), and a back surface of the insulators (2L, 2R) And a pair of insulator spacers (3L, 3R) respectively interposed between the inner surface of the frame body (4) and the back surface of one of the pair of rails (1T) and the inner surface of the frame body (4) A first pressing force generating means that can generate a pressing force that increases the distance between the two, and for the rail that exists between the back surface of the other (1B) of the pair of rails and the inner surface of the frame (4) A spacer (7B),
The pair of rails (1T, 1B) and the insulators (2L, 2R) have a combined shape capable of forming a space of a predetermined dimension through which the armature passes in a state of being in close contact with each other,
When the first pressing force generating means generates a pressing force that increases the distance between the back surface of one of the pair of rails (1T) and the inner surface of the frame (4), one of the pair of rails (1T) Pressed against the insulator (2L, 2R), the insulator (2L, 2R) pressed against the other (1B) of the pair of rails, and the other (1B) of the rail against the rail spacer (7B) When pressed, the rail spacer (7B) is pressed against the inner surface of the frame (4), and the frame (4) is elastically deformed so that the pair of rails (1T, 1B) extend in the opposing direction. As a result, the frame (4) is elastically deformed so that the pair of insulators (2L, 2R) is contracted in the opposite direction, and the distance between the pair of insulators (2L, 2R) is reduced. Pressure is generated and the insulator (2L, R) is pressed against the rail (1T, 1B), the rail (1T, 1B), the insulator (2L, 2R), the frame (4), the insulator spacer (3L, 3R) and the pusher. The pressure generating means and the rail spacer (7B) are integrated, and the first pressing force generating means widens the distance between the back surface of one of the pair of rails (1T) and the inner surface of the frame (4). When no pressing force is generated, the inner surface of the frame (4), the pressing force generating means, the rail spacer (7B), the insulator spacers (3L, 3R) and the rails (1T, 1B) ) And the insulator (2L, 2R) and between the insulator (2L, 2R) and the insulator spacer (3L, 3R), an acceleration tube for an electromagnetic accelerator, .   2. The acceleration tube for an electromagnetic accelerator according to claim 1, wherein the pair of rails (1 T, 1 B) have notches into which corner portions of the insulator (2 L, 2 R) are fitted at both edges of the opposing surface. An accelerator tube for an electromagnetic accelerator, wherein the accelerator (2L, 2R) has a rectangular cross section, and the insulator (2L, 2R) has a rectangular cross section.   The acceleration tube for an electromagnetic accelerator according to claim 1 or 2, wherein the first pressing force generating means is a hydraulic device (5T) and a spacer (7T). tube.   The acceleration tube for an electromagnetic acceleration device according to claim 1 or 2, wherein the first pressing force generating means has a tapered surface in a direction in which the rail (1T, 1B) extends, a wedge member (7Ta, 7Tb). An acceleration tube for an electromagnetic accelerator, characterized in that   The acceleration tube for an electromagnetic accelerator according to any one of claims 1 to 4, wherein, instead of the rail spacer (7B), the back surface of the other (1B) of the pair of rails and the frame (4). An acceleration tube for an electromagnetic acceleration device, comprising: a second pressing force generating means that is capable of generating a pressing force that exists between the inner surfaces of the two and that increases the distance between the two.   6. The acceleration tube for an electromagnetic accelerator according to claim 5, wherein the second pressing force generating means is a hydraulic device (5B) and a spacer (7B).   The acceleration tube for an electromagnetic accelerator according to claim 5, wherein the second pressing force generating means is a wedge member (7Ba, 7Bb) having a tapered surface extending in the direction in which the rail (1T, 1B) extends. Accelerator tube for electromagnetic accelerator.   The acceleration tube for an electromagnetic accelerator according to any one of claims 1 to 7, wherein a back surface of the pair of insulators (2L, 2R) is used instead of the pair of insulator spacers (3L, 3R). An electromagnetic acceleration device comprising a third pressing force generating means and a fourth pressing force generating means that are present between the inner surfaces of the frame body (4) and that can generate a pressing force that widens the gap between them. Accelerating tube.   The acceleration pipe for an electromagnetic accelerator according to claim 8, wherein the third pressing force generating means is a wedge member (3La, 3Lb) having a tapered surface in a direction in which the rail (1T, 1B) extends, The acceleration tube for an electromagnetic accelerator, wherein the fourth pressing force generating means is a wedge member (3Ra, 3Rb) having a tapered surface extending in the direction in which the rail (1T, 1B) extends.

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