CN220818755U - Self-locking limiting device for ammunition fuse safety restoration - Google Patents

Abstract

The utility model discloses a self-locking type limiting device for fuse safety restoration of ammunition, which belongs to the technical field of ammunition decomposition and comprises a workbench, wherein the accurate positioning of ammunition to be operated and the reliable pressing of a fuse safety rod of the ammunition fuse can be realized by utilizing the combined arrangement of an ammunition positioning component and a self-locking type limiting component on the workbench, and the accurate restoration of the fuse safety before the fuse is disassembled and the safety of the fuse is disassembled subsequently. The self-locking type limiting device for the fuse safety restoration of the ammunition is simple in structure and convenient to assemble, can effectively ensure the reliable pressing of the fuse safety rod in the fuse safety restoration operation process of the ammunition, ensures the safety in the fuse safety restoration process of the ammunition, reduces the labor cost in the operation process, and has good practical value.

Description

Self-locking limiting device for ammunition fuse safety restoration

Technical Field

The utility model belongs to the technical field of ammunition decomposition, and particularly relates to a self-locking limiting device for ammunition fuse safety restoration.

Background

At present, aiming at the dismantling of the fuze in ammunition, the conventional dismantling mode comprises manual dismantling by personnel and automatic dismantling by equipment, wherein under the traditional condition, the fuze is usually dismantled in a manual dismantling mode, so that the workload is high, and the potential safety hazard is also great. Therefore, the existing fuse removing mode is mostly replaced by a semiautomatic or automatic removing device. For example, in the prior patent document CN 217877371U, a fuse screwing-off machine is disclosed, the device can screw off the fuse from the product, finally, the fuse is taken out and placed at a designated position by a fuse grabbing manipulator, the whole process is completed by the manipulator, manual participation is not needed, automatic screwing-off of the fuse product can be realized, and the operation safety is greatly improved.

However, the fuse product can be disassembled in a rotating way only under the normal safety state based on the fuse, and the fuse which is easy to occur in the fuse ejecting and releasing condition in the rotating and disassembling process directly and automatically depends on equipment to have great potential safety hazard. Therefore, before the fuse of the mechanical fuse structure is disassembled, the fuse is required to be restored, namely, the fuse safety rod is pressed, and then the fuse is disassembled, and for the fuse safety rod adopting the pop-up type protection, the labor intensity of manual operation is high due to the large spring resistance, and the possibility of misoperation exists, so that a special device is needed to complete the fuse restoration operation.

Disclosure of utility model

Aiming at one or more of the defects or improvement demands of the prior art, the utility model provides a self-locking limiting device for restoring the fuse insurance of ammunition, which can realize the restoration of the fuse insurance when the fuse of ammunition is removed, limit the fuse bumper to pop out for releasing and guarantee the operation safety when the fuse of ammunition is removed.

In order to achieve the above purpose, the utility model provides a self-locking type limiting device for ammunition fuse safety restoration, which comprises a workbench, and further comprises at least one ammunition positioning component and a self-locking type limiting component which are correspondingly arranged on the workbench;

The ammunition positioning assembly comprises a positioning hole and a supporting platform, wherein the positioning hole is formed in the workbench; the positioning hole is a through hole penetrating through the workbench, and the supporting platform is arranged below the positioning hole;

The self-locking limiting assembly comprises an upright post, a rotating rod and a pressing assembly; the bottom of the upright post is fixedly connected to the workbench, and one end of the rotating rod is rotationally connected with the top of the upright post and can rotate around the upright post and be locked; the pressing component is arranged at one end of the rotating rod, which is away from the upright post, and comprises a connecting rod connected with the rotating rod and a pressing block connected to the bottom of the connecting rod, wherein the pressing block can be pressed on a fuse bumper of ammunition to be operated by the bottom surface of the pressing block after the rotating rod rotates in place.

As a further improvement of the utility model, the top of the upright post is provided with a step, and one end of the rotating rod is provided with a rotating mounting hole; and is also provided with

The rotating rod is in tight fit connection with the upright post through a bearing.

As a further improvement of the utility model, a blocking cover is arranged corresponding to the rotary mounting hole and detachably connected to the opening of the rotary mounting hole for packaging the bearing in the rotary mounting hole.

As a further improvement of the utility model, a limiting block is also connected and arranged on the upright post, one end of the limiting block is connected with the upright post, and the other end of the limiting block is parallel to the bottom surface of the rotating rod and extends outwards; and is also provided with

The limiting block is provided with a first limiting hole, the rotating rod is provided with a limiting through hole, and the first limiting hole can be vertically aligned with the limiting through hole after the rotating rod rotates in place; correspondingly, a first limiting piece is further arranged and can penetrate through the limiting through hole when the limiting through hole is coaxially aligned with the first limiting hole, and the end part of the first limiting piece is embedded into the first limiting hole.

As a further improvement of the utility model, at least one second limiting hole is also arranged on the limiting block, and a second limiting piece is arranged corresponding to the second limiting hole;

The second limiting piece can be matched with the second limiting hole at one end after the rotating rod rotates in place, and the other end of the second limiting piece protrudes out of the surface of the limiting block and is higher than the end face of the rotating rod, which is opposite to the limiting block.

As a further improvement of the utility model, a gap with a certain width is formed between the limiting block and the rotating rod which rotates in place.

As a further improvement of the utility model, one end of the rotating rod, which is away from the upright post, is provided with a long waist-shaped hole in an extending way along the length direction of the rotating rod, and the pressing and holding assembly is detachably connected in the long waist-shaped hole.

As a further improvement of the utility model, the connecting rod is a rod-shaped screw with external threads arranged on the periphery, the connecting rod is connected with the long kidney-shaped hole through two groups of nuts, and the pressing block is in threaded connection with one end of the screw.

As a further improvement of the utility model, the bottom surface of the pressing block for pressing and holding the bumper is an inclined surface with a certain gradient.

As a further improvement of the utility model, an antistatic rubber plate is stuck on the inclined plane.

The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

(1) The self-locking type limiting device for fuse safety restoration of ammunition comprises a workbench, wherein the ammunition positioning component and the self-locking type limiting component on the workbench are combined to realize accurate positioning of ammunition to be operated and reliable pressing of a fuse safety rod of the ammunition, so that the safety of fuse safety restoration before detaching of the ammunition and the safety of detaching of a subsequent ammunition can be ensured, the efficiency of fuse safety restoration of the ammunition can be improved, and the labor cost in the fuse safety restoration process can be reduced.

(2) According to the self-locking limiting device for ammunition fuse safety restoration, the rotating connection of the rotating rod is realized rapidly by optimally designing the specific connection structure between the rotating rod and the upright post and matching with the combined arrangement of the structures such as the bearing, the blocking cover and the like; and the combination setting of stopper, locating part isotructure provides the guarantee for the dwang, hold the state in the subassembly work process for pressing, ensures that ammunition fuse bumper can remain throughout and hold the position, avoids operation error or the potential safety hazard because of the maloperation leads to.

(3) According to the self-locking type limiting device for restoring the fuse of the ammunition, the connecting hole of the pressing component on the rotating rod is set to be in the form of a long waist-shaped hole, and the bottom surface of the pressing block is set to be an inclined plane with a certain gradient, so that the pressing position of the pressing block can be preferably adjusted according to requirements, the pressing can be quickly released after the pressing is finished, the fuse restoring efficiency is effectively improved, and the application range of the device is enlarged.

(4) The self-locking type limiting device for the fuse safety restoration of the ammunition is simple in structure and convenient to assemble, can effectively ensure the reliable pressing of the fuse safety rod in the fuse safety restoration operation process of the ammunition, ensures the safety in the fuse safety restoration process of the ammunition, reduces the labor cost in the operation process, and has good practical value.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a self-locking spacing device in an embodiment of the present utility model;

FIG. 2 is a front view of a self-locking stop device in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic view of a column structure of a self-locking type limiting device according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a stopper structure of a self-locking stopper in an embodiment of the present utility model;

Fig. 5 and 6 are schematic diagrams of a limiting member of a self-locking limiting device according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a rotating rod of a self-locking limiting device according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a plug structure of a self-locking type limiting device in an embodiment of the utility model;

FIG. 9 is a schematic diagram of a block structure of a self-locking type limiting device in an embodiment of the utility model;

like reference numerals denote like technical features throughout the drawings, in particular:

1. A work table; 2. a column; 3. a rotating lever; 4. a press-holding assembly; 5. a bearing;

101. Positioning holes; 102. a support platform;

201. a mounting base plate; 202. a column; 203. a step; 204. a limiting block; 2041. mounting through holes; 2042. a first limiting hole; 2043. a second limiting hole; 2044. a first limiting member; 2045. a second limiting piece;

301. Rotating the mounting hole; 302. a blanking cover; 303. limiting through holes; 304. pressing and holding the connecting hole;

401. Briquetting; 402. and a connecting rod.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Examples:

Referring to fig. 1 to 9, a self-locking type limiting device for ammunition fuse safety restoration in a preferred embodiment of the present utility model includes a workbench 1, and at least one set of ammunition positioning component and self-locking type limiting component disposed on the workbench 1. The self-locking limiting assembly comprises an upright post 2, a rotating rod 3 and a pressing assembly 4 which are connected in a combined mode, ammunition to be disassembled and a fuse is limited on the workbench 1, and the pressing assembly 4 presses and restores the safety rod of the ammunition, so that the reliability of the working state of the safety rod in the detaching process of the ammunition fuse is ensured.

Specifically, as shown in fig. 1 and 2, the workbench 1 in the preferred embodiment is preferably supported above the ground by a bracket structure, and the ammunition positioning assembly on the workbench 1 comprises a positioning hole 101 formed corresponding to the self-locking limiting assembly and a supporting platform 102 arranged below the positioning hole 101. The positioning hole 101 is preferably a through hole penetrating the workbench 1, and a supporting platform 102 is arranged below the positioning hole 101, and is used for supporting the bottom of the ammunition by the supporting platform 102 after the ammunition passes through the positioning hole 101.

In actual operation, the pressing assembly 4, the positioning hole 101 and the supporting platform 102 are vertically and coaxially arranged. Meanwhile, in the actual setting, the number of the positioning holes 101 formed in the workbench 1 may be preferably two, for example, as shown in fig. 1, and in this case, the ammunition positioning assemblies and the self-locking type limiting assemblies are also respectively provided as two groups. By the arrangement, the recovery operation of the safety of a plurality of ammunition lead wires on the same workbench 1 can be realized, and the safety and the efficiency of the subsequent lead wire dismantling are improved.

Further, the upright 2 in the preferred embodiment is shown in fig. 3, and comprises a columnar column 202, and the column 202 is preferably of a tubular structure, one end of which is connected to the workbench 1 through a mounting base plate 201, and the other end of which is provided with a ring groove, forming a step 203 as shown in a partially enlarged view in fig. 3, so as to complete the mounting limit of one end of the rotating rod 3.

Meanwhile, a stopper 204 is provided at one end of the column 2 provided with the stepped step 203, and has a structure as shown in fig. 4, which includes a plate-shaped block body, one end of which is provided with a mounting through hole 2041 for being sleeved on the outer circumference of the column 202 and fixedly connected thereto, and the other end of which extends outwardly in parallel with the bottom surface of the rotation rod 3.

In a preferred embodiment, the attachment between the stopper 204 and the post 202 is by welding. In addition, the fixed stopper 204 is preferably spaced vertically from the fixed rotating rod 3 by a certain distance, so that the end position of the stopper can be observed later through the gap between the stopper and the fixed rotating rod.

In more detail, a first limiting hole 2042 is formed at one side of the mounting through hole 2041 in the preferred embodiment in the first direction, and the first limiting hole 2042 is preferably a blind hole for accommodating the end portion of the first limiting member 2044. Correspondingly, a second limiting hole 2043 is respectively formed at two sides of the first limiting hole 2042 in the second direction, and is used for accommodating the second limiting piece 2045 and limiting the rotation of the rotating rod 3.

In a preferred embodiment, the first direction is arranged perpendicular to the second direction.

It will be appreciated that, in the actual arrangement, either or both of the first and second limiting members 2044 and 2045 may be provided. For example, in a specific embodiment, only the combination of the first limiting member 2044 and the first limiting hole 2042 may be provided, or only the combination of the second limiting member 2045 and the second limiting hole 2043 may be provided. Of course, in order to better ensure the reliability of the arrangement of the rotating rod 3, two sets of limiting members can be simultaneously arranged for combination as in the preferred embodiment shown in fig. 4, so that the reliability of the working state of the rotating rod 3 is fully ensured, and the safety rod for holding the ammunition by the holding component 4 all the time is ensured.

More specifically, in the preferred embodiment, the first limiting member 2044 is shown in fig. 5, the second limiting member 2045 is shown in fig. 6, the former is a bolt structure with an end cap, the latter is a column-shaped rod structure, and by using the end cap of the end portion of the first limiting member 2044, the first limiting member 2044 can be vertically limited after passing through the first limiting hole 2042, and at this time, the first limiting hole 2042 can be further preferably provided as a through hole. Accordingly, the second limiting hole 2043 in the preferred embodiment is preferably a blind hole, and the second limiting member 2045 is freely pluggable; meanwhile, when the second limiting member 2045 is inserted into the second limiting hole 2043, the top of the second limiting member 2045 protrudes out of the surface of the limiting block 204, and the protruding length is greater than the gap width between the limiting block 204 and the rotating rod 3.

Further, as shown in fig. 7, the rotating rod 3 in the preferred embodiment has a long rod-like structure, one end of which is provided with a rotating mounting hole 301 corresponding to the upright 2, and the other end of which is provided with a pressing connection hole 304 corresponding to the pressing component 4.

In actual setting, the pivoted lever 3 is connected with the top of stand 2 through rotating mounting hole 301 to can lock in place after rotating in place, guarantee the flexibility and the reliability of pivoted lever 3 use.

More specifically, in the preferred embodiment, the rotation mounting hole 301 is tightly fitted to the top of the upright 2 through the bearing 5, that is, the inner and outer wall surfaces of the bearing 5 are respectively radially press fitted to the outer peripheral wall surface of the upright 2 and the inner peripheral wall surface of the rotation mounting hole 301, so that the vertical fixation of the rotation lever 3 is sequentially achieved. Meanwhile, the rotation control of the rotating rod 3 can be realized by utilizing the rotation function of the bearing 5.

In order to ensure the reliability of the arrangement of the bearing 5, it is further preferable to provide a blanking cover 302 as shown in fig. 8 at the opening of the rotation mounting hole 301, which is connected to the rotation lever 3 through several connection members, so that the bearing 5 can be reliably packaged on the stepped step 203 of the upright 2.

When specifically arranged, a circular boss is coaxially arranged on one side of the blanking cover 302 and is used for being matched with the rotary mounting hole 301 at the end part of the rotary rod 3 and approaching to the end surface of the bearing 5 so as to prevent dislocation between the bearing 5 and the upright post 2.

Meanwhile, a limiting through hole 303 is formed in one side of the rotation mounting hole 301, the distance between the center of the limiting through hole 303 and the center of the rotation mounting hole 301 is equal to the distance between the center of the first limiting hole 2042 and the center of the cylinder 202, it is ensured that the rotating rod 3 can vertically align with the first limiting hole 2042 through the limiting through hole 303 after rotating in place, and further one end of the first limiting piece 2044 can penetrate through the limiting through hole 303 and is embedded in the first limiting hole 2042 through end limiting, and rotation limiting of the rotating rod 3 is completed.

In the actual setting, the pressing connection hole 304 is a through hole, and is used for penetrating and connecting the connecting rod 402 in the pressing component 4, and in the actual setting, the pressing component 4 in the preferred embodiment preferably comprises the connecting rod 402 in a rod shape and the pressing block 401 arranged at the end part of the connecting rod 402.

In more detail, the connecting rod 402 in the preferred embodiment is a screw with external threads formed on the outer circumference, which can complete the limit connection by sleeving nuts on both ends of the screw after penetrating the press-holding connection hole 304, and can also change the vertical position of the pressing block 401 by adjusting the position of the nuts.

In practice, the bumper location on the ammunition may vary due to the type of ammunition, and for this purpose, the holding-down attachment hole 304 is configured as a long kidney hole as shown in fig. 7 in the preferred embodiment, so that the fixing position of the holding-down assembly 4 can be adjusted in the long kidney hole as needed.

In addition, the bottom surface of the pressing block 401 in the preferred embodiment is provided with a slope having a certain gradient, and ensures that the end with a smaller thickness faces the user in actual use. In addition, in order to facilitate disassembly and assembly of the connecting rod 402 during actual use, it is further preferable that a disassembly and assembly hole, such as a hexagonal hole, a flat groove, etc., is formed at one end of the connecting rod 402, which is away from the pressing block 401, so that the quick disassembly and assembly can be completed by using a disassembly and assembly tool conveniently, and the connecting rod 402 is prevented from following rotation during rotation of the nut.

Further preferably, an antistatic rubber plate is preferably stuck on the holding inclined surface of the pressing block 401.

For the self-locking stop device to be assembled and mounted on the table 1, its actual use is preferably as follows:

At the initial stage of the operation stage, the limit of the rotation rod 3 by the limit piece is released, the pressing component 4 is rotated to a position far away from the positioning hole 101, and at the moment, the ammunition to be dismantled can be placed in the positioning hole 101 and reliably supported by the supporting platform 102, so that the ammunition to be operated is arranged on the workbench 1.

In the middle stage of the working phase, the rotating rod 3 is rotated to a position corresponding to the limiting block 204, the pressing block 401 in the pressing and holding assembly 4 is adjusted to be vertically aligned with the safety rod on the ammunition, and thereafter, two limiting pieces are arranged to be matched with corresponding limiting holes, so that locking and limiting of the rotating rod 3 are completed. Simultaneously, the position of the pressing block 401 is adjusted, so that the thinnest side of the pressing block is opposite to an operator, and the pressing block is pressed on the bumper of ammunition through the inclined bottom surface, so that the connecting rod 402 of the pressing and holding assembly 4 is locked, and the bumper is always pressed and held by the pressing block 401 in the whole operation process.

At the later stage of the operation stage, the operation personnel performs fuse insurance restoration operation of the ammunition, after the operation is completed, the corresponding limiting piece is taken down, the rotating rod 3 can be pushed out backwards, the limiting of the pressing and holding assembly 4 on the ammunition is released, and then the ammunition with fuse insurance restored can be taken out.

The self-locking type limiting device for the fuse safety restoration of the ammunition has the advantages of simple structure and convenience in assembly, can effectively ensure the reliable pressing of the fuse safety rod in the fuse safety restoration process of the ammunition, ensures the safety in the fuse safety restoration process of the ammunition, reduces the labor cost in the operation process, and has good practical value.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The self-locking type limiting device for the safety recovery of the ammunition fuse comprises a workbench and is characterized by further comprising at least one ammunition positioning component and a self-locking type limiting component which are correspondingly arranged on the workbench;

The ammunition positioning assembly comprises a positioning hole and a supporting platform, wherein the positioning hole is formed in the workbench; the positioning hole is a through hole penetrating through the workbench, and the supporting platform is arranged below the positioning hole;

The self-locking limiting assembly comprises an upright post, a rotating rod and a pressing assembly; the bottom of the upright post is fixedly connected to the workbench, and one end of the rotating rod is rotationally connected with the top of the upright post and can rotate around the upright post and be locked; the pressing component is arranged at one end of the rotating rod, which is away from the upright post, and comprises a connecting rod connected with the rotating rod and a pressing block connected to the bottom of the connecting rod, wherein the pressing block can be pressed on a fuse bumper of ammunition to be operated by the bottom surface of the pressing block after the rotating rod rotates in place.

2. The self-locking type limiting device for ammunition fuse safety restoration according to claim 1, wherein a step is arranged at the top of the upright post, and a rotary mounting hole is formed in one end of the rotary rod; and is also provided with

The rotating rod is in tight fit connection with the upright post through a bearing.

3. The self-locking type limiting device for ammunition fuse restoration according to claim 2, wherein a blocking cover is arranged corresponding to the rotary mounting hole and detachably connected to an opening of the rotary mounting hole, and is used for packaging the bearing in the rotary mounting hole.

4. The self-locking limiting device for ammunition fuse safety restoration according to any one of claims 1-3, wherein a limiting block is further connected to the upright, one end of the limiting block is connected with the upright, and the other end of the limiting block extends outwards parallel to the bottom surface of the rotating rod; and is also provided with

The limiting block is provided with a first limiting hole, the rotating rod is provided with a limiting through hole, and the first limiting hole can be vertically aligned with the limiting through hole after the rotating rod rotates in place; correspondingly, a first limiting piece is further arranged and can penetrate through the limiting through hole when the limiting through hole is coaxially aligned with the first limiting hole, and the end part of the first limiting piece is embedded into the first limiting hole.

5. The self-locking type limiting device for ammunition fuse safety restoration according to claim 4, wherein at least one second limiting hole is further formed in the limiting block, and a second limiting piece is arranged corresponding to the second limiting hole;

The second limiting piece can be matched with the second limiting hole at one end after the rotating rod rotates in place, and the other end of the second limiting piece protrudes out of the surface of the limiting block and is higher than the end face of the rotating rod, which is opposite to the limiting block.

6. The self-locking type limiting device for ammunition fuse restoration according to claim 4, wherein a gap with a certain width is formed between the limiting block and a rotating rod which rotates in place.

7. The self-locking limiting device for ammunition fuse restoration according to any one of claims 1-3, 5 and 6, wherein one end of the rotating rod, which is away from the upright post, is provided with a long waist-shaped hole in a extending mode along the length direction of the rotating rod, and the pressing and holding assembly is detachably connected in the long waist-shaped hole.

8. The self-locking type limiting device for restoring fuse of ammunition according to claim 7, wherein the connecting rod is a rod-shaped screw with external threads formed on the periphery, the connecting rod is connected to the long kidney-shaped hole through two sets of nuts, and the pressing block is connected to one end of the screw in a threaded mode.

9. The self-locking limiting device for ammunition fuse safety restoration according to any one of claims 1-3, 5, 6 and 8, wherein the bottom surface of the pressing block for pressing the safety rod is an inclined surface with a certain gradient.

10. The self-locking type limiting device for ammunition fuse safety restoration according to claim 9, wherein an antistatic rubber plate is attached to the inclined surface.