CN116007432A - Novel seat frame device for improving shooting precision of heavy machine gun - Google Patents

Abstract

The invention discloses a novel seat frame device for improving the shooting precision of a heavy machine gun, which comprises a bracket; the sliding seat assembly is arranged on one side of the bracket, is connected with the bracket in a sliding way and is used for installing the certain heavy machine gun; the right mounting fixing support plate and the left mounting fixing support plate are detachably mounted on the bracket and are respectively positioned at two sides of the certain heavy machine gun; the buffer is arranged on the right mounting fixed support plate and the left mounting fixed support plate and is connected with the sliding seat assembly; the whole layout design is optimized, the modularized design is realized, the structure is compact, the shooting precision is improved by designing various structures, the device has a remote control operation function, and an operator can control the machine gun in the vehicle body; the novel seat frame device realizes manual-automatic integrated first-time filling and manual-automatic integrated electric shock firing, single-shot and continuous shooting and control, and has the advantages of combination of electromechanics and control, high automation degree, high shooting precision and high reliability under the condition of limited space.

Description

Novel seat frame device for improving shooting precision of heavy machine gun

Technical Field

The invention belongs to the technical field of conventional weapons, and particularly relates to a novel seat frame device for improving the shooting precision of a heavy machine gun.

Background

Fighters manually operate the machine gun on the top of a vehicle (usually an armored vehicle), and the body (the position above the chest) of the operator is exposed outside the vehicle body for a long time, so that the fighters are easy to attack, casualties are caused, and the safety risk is high;

the recoil of a certain machine gun is large, and the shooting device for fixing the machine gun is impacted greatly to generate vibration, so that the jump amplitude of the gun muzzle of the machine gun is increased, and the shooting precision is reduced;

the sliding body of the fixed machine gun is matched with the sliding pair of the bracket in a surface contact way with a larger gap, and in the reciprocating process of the sliding assembly, the impact force causes uneven contact of the matched surface and the larger gap to cause up-and-down jump of the muzzle, so that the shooting precision is affected;

the quick assembly of common components has the advantages of multiple types of tools, multiple steps, long time and low efficiency;

the structural layout of the buffer is not matched with the recoil, so that the kinetic energy of the recoil cannot be effectively counteracted or consumed, and vibration is easily generated during continuous shooting; the device cannot adapt to the situation of large temperature range variation, the damping performance difference is large, the exposed structure is provided, the buffer element is easy to generate problems of rust, dust accumulation and the like, and the shooting precision is affected;

when shooting at elevation angle, the shell impacts the bracket and the inner frame wall of the sliding seat body during shelling, and then rebounds to the upper U-shaped upper surface of the bottom (the rear inclined plane which forms 35-60 degrees with the horizontal plane), and the shell often rebounds to enter the shell outlet.

Disclosure of Invention

In order to solve the above problems in the prior art, the present invention aims to provide a novel mounting device for improving the firing accuracy of a heavy machine gun.

The technical scheme adopted by the invention is as follows:

the novel seat frame device for improving the shooting precision of a heavy machine gun comprises a bracket; the sliding seat assembly is arranged on one side of the bracket, is connected with the bracket in a sliding way and is used for installing the certain heavy machine gun; the right mounting fixing support plate and the left mounting fixing support plate are detachably mounted on the bracket and are respectively positioned at two sides of the certain heavy machine gun; the buffer is arranged on the right mounting fixed support plate and the left mounting fixed support plate and is connected with the sliding seat assembly; the manual-automatic electric shock sending component is detachably arranged at one end of a gun tail cylinder of the certain heavy machine gun; the first manual-automatic integrated loader is detachably arranged on the bracket and is positioned at one side of the bracket, which is close to the left mounting and fixing support plate; the bullet gauge is detachably arranged on the bracket and is positioned at one side of the bracket, which is close to the right mounting and fixing support plate; the bullet shell rebound prevention shielding component is detachably arranged on the bracket and is positioned at one side of the bracket far away from the certain heavy machine gun; the bullet chain guide bin is detachably arranged on one side of the bracket, which is close to the initial manual-automatic loader; the chain row baffle is detachably arranged on one side, far away from the chain guide bin, of the bracket; the quick-dismantling and quick-assembling assembly comprises a connecting assembly of the heavy machine gun and the sliding seat assembly, a connecting assembly of the heavy machine gun and the manual-automatic integrated electric firing assembly and a connecting structure of the buffer.

Preferably, the number of the buffers is two, namely a right buffer and a left buffer; the right side buffer is connected with the right installation fixing support plate, and the left side buffer is connected with the left installation fixing support plate; the axes of the right side buffer and the left side buffer are respectively coplanar with the rifling of the certain heavy machine gun; four guide rails are fixedly arranged on the bracket and are divided into two groups, the two groups of guide rails are respectively positioned at two ends of the bracket, and the two guide rails of each group are parallel to each other and are respectively coplanar with rifles of the heavy machine gun; and each guide rail is provided with a sliding seat in a sliding manner, and the sliding seats are detachably arranged on the sliding seat plates of the sliding seat assemblies.

As a preferable mode of the invention, the connecting assembly of the certain heavy machine gun and the sliding seat assembly comprises an adapter, wherein the adapter is fixedly arranged on two supporting rotating shafts, the two supporting rotating shafts are detachably arranged on the sliding seat assembly, one side, close to each other, of the two supporting rotating shafts is provided with a V-shaped locating surface, the certain heavy machine gun is fixedly provided with a V-shaped groove, and the V-shaped groove is matched with the V-shaped locating surface; the connecting assembly of the certain heavy machine gun and the manual-automatic integrated electric firing assembly comprises a fixed gun tail seat, wherein a mounting and positioning through hole is fixedly formed in the fixed gun tail seat, an open slot is formed in one side of the mounting and positioning through hole, a fastening screw is arranged on the side face of the open slot, and a gun tail cylinder is matched with the mounting and positioning through hole; the connecting structure of the buffer comprises an outer shell, wherein one end of the outer shell is provided with an end cover, the periphery of the end cover is provided with a plurality of set screws, the joint of the end cover and the outer shell is provided with sealant, and a core shaft lever is detachably arranged in the outer shell; one side of the outer shell is fixedly provided with a mounting and positioning surface, and the right side buffer and the left side buffer are fixedly connected with the right mounting and fixing support plate and the left mounting and fixing plate respectively; the end, far away from the end cover, of the mandrel rod is fixedly provided with a mounting and positioning hole, and the mounting and positioning hole is sleeved on the supporting rotating shaft.

As the preferable mode of the invention, a first buffer element installation area and a second buffer element installation area are arranged in the outer shell, the first buffer element installation area and the second buffer element installation area are separated by a positioning partition flange, a round cover plate is fixedly arranged at one end of the outer shell, which is far away from the end cover, the mandrel rod penetrates through the round cover plate, a high-precision orientation element is arranged between the round cover plate and the first buffer element installation area, the high-precision orientation element is positioned at the peripheral side of the mandrel rod, and a fixing screw is arranged at one end of the mandrel rod, which is far away from the installation positioning hole.

As a preferable mode of the invention, the sliding seat assembly further comprises a sliding seat plate and a supporting plate, wherein the sliding seat plate is fixedly connected with the sliding seat, the supporting plate is fixedly arranged on two sides of the sliding seat plate, and the two ends form a first processing reference surface, a second processing reference surface, a third processing reference surface and a fourth processing reference surface simultaneously in one clamping; the support plate is fixedly provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively used for installing two support rotating shafts, and the first through hole and the second through hole are coaxial; the right mounting and fixing support plate is fixedly provided with a first inner hole, the left mounting and fixing plate is fixedly provided with a second inner hole, and the first inner hole and the second inner hole are coaxial.

As the preference of the invention, the shell-proof rebound shielding component comprises two strip brush connecting plates, wherein the strip brush connecting plates are detachably arranged on the bracket through mounting screws, one end of each strip brush connecting plate, which is far away from the mounting screws, is provided with a strip brush fixing seat, the strip brush fixing seat is connected with the strip brush connecting plates through fastening pieces, and each strip brush fixing seat is fixedly provided with a high-temperature-resistant strip brush.

As an optimization of the invention, the first-hand automatic loader comprises a pulling bolt handle seat which is fixedly arranged at one end of the bracket far away from the bullet gauge, and a pulling bolt handle is detachably arranged on the pulling bolt handle seat; a manual bolt guide rail is fixedly arranged on one side of the sliding seat plate, which is far away from the bracket, a filling sliding block is arranged on the manual bolt guide rail in a sliding manner, an electric bolt guide rail is arranged on one side of the manual bolt guide rail, the electric bolt guide rail is fixedly connected with the sliding seat plate, an electric bolt seat is arranged on the electric bolt guide rail in a sliding manner, a filling motor is arranged on one side of the electric bolt guide rail, the filling motor is fixedly connected with the bracket, a screw rod is controlled by the filling motor, a thread block is connected onto the screw rod in a threaded manner, and the thread block is fixedly connected with the electric bolt seat; the sliding seat plate is fixedly provided with a bolt reset box at one end far away from the bolt handle seat, the filling slide block comprises a filling slide block bulge and a filling slide block cover plate, the filling slide block bulge is fixedly connected with the filling slide block cover plate, the filling slide block bulge is matched with a filling switch of a certain heavy machine gun, the filling slide block cover plate is fixedly provided with a reset steel wire rope, and one end far away from the filling slide block cover plate is wound in the bolt reset box; the two rope guiding wheels are rotationally arranged in the pull bolt handle seat, and the pull bolt steel wire rope is positioned between the two rope guiding wheels.

As the optimization of the invention, the manual-automatic electric firing assembly further comprises a handle, wherein the handle is arranged on one side of the tail seat of the fixed gun, one side of the handle is fixedly provided with a handle seat, the handle seat is fixedly connected with the tail seat of the fixed gun, and a firing buckling handle is detachably arranged on the handle seat; an electric shock transmitting device is arranged on one side of the fixed gun tailstock, which is far away from the handle; the electric shock sending device comprises a firing electromagnet, the firing electromagnet is fixedly connected with a tail seat of the fixed gun, a push rod is arranged on one side of the firing electromagnet, the push rod is controlled to stretch and retract by the firing electromagnet, one end of the push rod is hinged with a connecting rod, the connecting rod is rotatably arranged on a supporting seat, and the supporting seat is fixedly connected with the firing electromagnet; be equipped with the transmitter on the butt cylinder, one side of transmitter is equipped with the slider, the transmitter is close to one side of slider is equipped with manual trigger, manual trigger includes trigger bottom and trigger upper portion, the trigger bottom with the butt cylinder articulates, trigger upper portion with trigger bottom fixed connection.

As a preferable mode of the invention, the horizontal plane projection side of the bullet chain guide bin forms a straight guiding contour and a gradual contraction contour, an inlet curled edge and an outlet curled edge are respectively fixedly arranged at the two ends, the inlet curled edge is close to one side of the gradual contraction contour, and the outlet curled edge is close to one side of the straight guiding contour; the bullet chain guide bin is fixedly arranged on a mounting plate through the waist-shaped holes, the mounting plate is fixedly connected with the bracket, and an observation hole is fixedly formed in one side of the bullet chain guide bin; the chain guide baffle comprises a round angle front baffle, one side of the round angle front baffle is fixedly provided with a round angle guide anti-blocking vertical plate, the round angle guide anti-blocking vertical plate and a right-leaning and backward-leaning chain guide surface are fixedly arranged between the round angle front baffle, the round angle front baffle is far away from one side of the right-leaning and backward-leaning chain guide surface is fixedly provided with a bottom positioning surface, the bottom positioning surface and a plurality of installation fixing holes are formed in the right-leaning and backward-leaning chain guide surface, and the chain guide baffle is detachably mounted on the bracket through the installation fixing holes.

As a preferable mode of the invention, the bullet metering device comprises a bullet metering sensor, wherein the bullet metering sensor is fixedly arranged on a bullet metering sensor mounting seat, and the bullet metering sensor mounting seat is fixedly connected with the bracket; the bullet meter records the shooting times of the heavy machine gun, judges whether the shooting times are finished, and feeds back the shooting times to the manual-automatic electric firing assembly, and the manual-automatic electric firing assembly selects to continue shooting or end shooting according to the feedback result.

The beneficial effects of the invention are as follows:

(1) As the main part of the vehicle-mounted weapon station, the whole layout design is optimized, the modularized design is realized, the structure is compact, the shooting precision is improved by designing various structures, the quick disassembly and the quick assembly of a plurality of components are realized, and the installation and the maintenance are simple; the device has a remote control operation function, and an operator can control the machine gun in the vehicle body; the novel seat frame device realizes manual-automatic integrated first-time filling and manual-automatic integrated electric shock firing, single-shot and continuous shooting and control, and realizes the combination of electromechanics and control, high automation degree, high shooting precision and high reliability under the condition of limited space through reasonable design layout and structural innovation of each component;

(2) According to the invention, firstly, the layout of the buffer is reasonably carried out, the structural form that the axis of the buffer is coplanar with the recoil direction generated by the shooting of the bullet from the gun barrel is selected, the effect that the recoil is consistent with the buffer is formed, the recoil and the buffer are counteracted and balanced, the impact recoil is avoided to generate bending moment, meanwhile, the layout of the two buffers on two sides of the gun is realized in a limited structural space, the load of a single buffer is reduced, the stability of the buffer is enhanced, and the shooting process is more stable;

(3) The design layout of the buffer is carried out at the two sides of the machine gun, the buffer is distributed symmetrically left and right, the recoil is balanced, the impact is effectively reduced, and the shooting stability and precision are improved; the sliding body of the fixed machine gun is matched with the sliding pair of the bracket in a surface contact way with a larger gap, and in the reciprocating process of the sliding assembly, the impact force causes uneven contact of the matched surface and the larger gap to cause up-and-down jump of the muzzle, so that the shooting precision is affected; structurally, a sliding guide rail is arranged on the same plane on four positioning surfaces of the upper surface of the bracket to form a four-point split type guide rail sliding seat combined structure of a sliding seat assembly plane; the device has the advantages of large front and rear spans, small size, high rigidity, good stability and small friction force; the sliding guide rail is matched with the precise sliding seat for positioning and fastening, so that in the shooting process, the gap between the sliding seat assembly and the bracket is effectively eliminated, the rolling friction force is small, the front-back linear motion precision of the machine gun is improved, in particular, the runout of a gun muzzle is effectively reduced, and the shooting precision is improved;

(4) The quick-disassembly and quick-assembly structure is arranged on the 3-position device, so that the time for assembly, maintenance and replacement is shortened, the reliability, stability and convenience of assembly and disassembly are improved, and the quick-disassembly and quick-assembly structure has important significance for assembly, disassembly and maintenance of the seat frame device, especially for maintenance on a battlefield;

(5) The buffer is designed into a closed split structure, the inside of the buffer adopts a structural form capable of carrying out buffer element configuration combination according to the buffer requirement, and the length of an inner cavity can be adjusted, so that the aim of pretightening force adjustment is fulfilled; when impact recoil occurs, the mandrel rod is pushed by the axis of the recoil to drive the compression and extension of the elastic element in the buffer to realize the buffering effect; different buffer mechanical properties of the buffer are realized through the adjustment of the sizes of various elastic elements and the inner space, and the buffer has stronger adaptability and universality;

(6) The design high precision of the device is met in the manufacturing process angle, and a good structural member platform and foundation are provided for shooting precision;

(7) The direction of the discharge of the shell is changed through the flexible inclined plane, so that rebound in the direction of the shell outlet is avoided; a rebound shielding effect is generated to block rebound of the shell;

(8) The general design of the progressive elastic chain guide bin is a special-shaped structure with two open ends and wrapped around, and an integrated structure is formed through sheet metal, welding and surface treatment, so that the installation and the connection are convenient and stable.

Drawings

The invention will be described in further detail with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of another view angle structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a concealed structure of the heavy machine gun of FIG. 1 according to the present invention;

FIG. 4 is a schematic diagram of the front view of FIG. 1 of the present invention;

FIG. 5 is a schematic view of the rear view of FIG. 1 of the present invention;

FIG. 6 is a schematic diagram of the left-hand construction of FIG. 1 according to the present invention;

FIG. 7 is a schematic diagram of the right-hand construction of FIG. 1 according to the present invention;

FIG. 8 is a schematic top view (rotated 90) of FIG. 1 of the present invention;

FIG. 9 is a schematic view of the bottom view of FIG. 1 (rotated 90 °);

FIG. 10 is a schematic view of the bracket structure of FIG. 1 in accordance with the present invention;

FIG. 11 is a schematic diagram of any one of the buffers of FIG. 1 according to the present invention;

FIG. 12 is a schematic view of the damper mounting structure of FIG. 11 in accordance with the present invention;

FIG. 13 is a schematic cross-sectional view of the structure of FIG. 11 in accordance with the present invention;

FIG. 14 is a schematic view of the junction structure of FIG. 12 in accordance with the present invention;

FIG. 15 is a schematic view of the assembled two bumpers of FIG. 14 in accordance with the present invention;

FIG. 16 is a schematic view of the carriage assembly of FIG. 1 according to the present invention;

FIG. 17 is a schematic top view of the structure of FIG. 16 in accordance with the present invention;

FIG. 18 is a schematic view of the left mounting fixture plate structure of FIG. 1 of the present invention;

FIG. 19 is a schematic view of the bracket and left and right mounting fixture plate structures of FIG. 1 in accordance with the present invention;

FIG. 20 is a schematic diagram of the front view of FIG. 19 of the present invention;

fig. 21 is a schematic view of the ballistic resistant shell bounce shield assembly of fig. 1 mated with a cradle in accordance with the invention;

fig. 22 is a schematic view of the ballistic resistant shell bounce shield assembly of fig. 21 according to the invention;

FIG. 23 is a schematic view of another visual perspective structure of FIG. 21 in accordance with the present invention;

FIG. 24 is a schematic view of the initial automated manual loader of FIG. 1 of the present invention;

FIG. 25 is an enlarged schematic view of the packing slide of FIG. 24 in accordance with the present invention;

FIG. 26 is a schematic illustration of the engagement of the loading slide of FIG. 24 with a manual pull plug rail in accordance with the present invention;

FIG. 27 is a schematic view of the latch handle of FIG. 24 according to the present invention;

FIG. 28 is a schematic view of the attachment of the priming slider to the pull plug reset box of FIG. 24 in accordance with the present invention;

FIG. 29 is a schematic view of the automated manual electric firing assembly of FIG. 1 in combination with a heavy machine gun assembly according to the present invention;

FIG. 30 is a schematic view of the automated manual firing assembly of FIG. 29 according to the present invention;

FIG. 31 is a schematic view of the structure of the present invention at the tail of the heavy machine gun of FIG. 29;

FIG. 32 is a schematic view of the firing electromagnet of FIG. 30 according to the present invention;

FIG. 33 is a schematic view of the chain guide magazine of FIG. 1 in accordance with the present invention;

FIG. 34 is a schematic top view of the chain guide magazine of FIG. 1 and the chain discharge baffle of the present invention;

FIG. 35 is a schematic view of the outlet side structure of the chain guide magazine of FIG. 33 in accordance with the present invention;

FIG. 36 is a schematic view of the waist-shaped aperture structure of the chain guide magazine of FIG. 33 in accordance with the present invention;

FIG. 37 is a schematic view of the view port of the chain guide magazine of FIG. 33 in accordance with the present invention;

FIG. 38 is a schematic view of the chain guard structure of FIG. 1 in accordance with the present invention;

FIG. 39 is a schematic view of the bullet gauge of FIG. 1 of the present invention;

FIG. 40 is a schematic illustration of the process of the manual-automatic electric firing assembly and the bullet counter of the present invention;

fig. 41 is a schematic flow chart of the operation of the present invention.

Detailed Description

The present invention 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 invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.

The following describes in connection with fig. 1-41 a specific embodiment of the invention, a novel mounting arrangement for improving the firing accuracy of a heavy machine gun of a certain type (a heavy machine gun 11, a firing device, capable of manual single shot, continuous shot), comprising a bracket 22 (a base support, mounting components, providing an interface for external mounting support); a slide base assembly 23 (fixedly connected with a machine gun of a certain type and capable of sliding back and forth on a bracket; provided on one side of the bracket 22 and slidably connected with the bracket 22 for mounting the heavy machine gun 11 of a certain type; a right mounting fixing support plate 14 and a left mounting fixing support plate 19 (for mounting and fixing two buffers and positioning them), which are detachably mounted on the bracket 22 and are respectively located at two sides of the heavy machine gun 11; a damper 12 (reducing or eliminating recoil from the firing at the maximum design frequency) provided on the right mounting bracket 14 and the left mounting bracket 19 and connected to the carriage assembly 23; a manual-automatic electric firing assembly 16 (for firing the gun trigger in both manual and automatic modes) detachably mounted at one end of a tail cylinder 112 of the heavy machine 11; a first automatic and manual loader 18 (first loading of a chain spring) detachably mounted on the bracket 22 and positioned on one side of the bracket 22 near the left mounting and fixing support plate 19; a bullet counter 21 (counting the number of shots fired) detachably mounted on the bracket 22 at a side of the bracket 22 near the right mounting fixing support plate 14; an anti-recoil shielding assembly 20 (an ejection mechanism for preventing the ejection of the cartridge from the lower side of the bracket back to the gun at an angle of elevation, which is configured to jam the cartridge, affecting the normal operation of the device) is detachably mounted on the bracket 22 on a side of the bracket 22 remote from the heavy gun 11 of a certain type; a magazine guide 17 (guiding the magazine from the magazine into the bore, aligned with the inlet) removably mounted to the side of the carriage 22 adjacent the initial automated manual loader 18; a chain guide 15 (empty chain ejector after firing) removably mounted on the side of the carriage 22 remote from the chain guide magazine 17; quick-release quick-assembly components (quick-release quick-assembly of common components, reduced assembly, maintenance and replacement time) comprise a connecting component of the heavy machine gun 11 and the slide base component 23, a connecting component of the heavy machine gun 11 and the manual-automatic integrated electric firing component 16 and a connecting structure of the buffer 12. The heavy machine gun 11 is fixedly arranged on the sliding seat assembly 23 through a quick-dismantling and quick-assembling assembly and is fixed into a whole; the buffer 12 is fixedly positioned and fastened with the mounting fixed support plates (14 and 19), so that the relative movement between the sliding component 23 with the front and back axis moving and the stationary bracket 22 is realized; based on the structural design of the limited space, the main functions of the device function are realized; the novel seat frame device for improving the shooting precision of a heavy machine gun 11 fully utilizes the length, width and height of a limited structural space around the functions of bullet supply, latching, firing, buffering, bullet counting, shell arrangement, shell blocking prevention and the like, and realizes the design configuration of the overall structure; to improve the degree of automation, the functions of manual and automatic integration of firing, manual and automatic integration of initial filling, electric firing, automatic bullet counting and the like are realized; in order to improve the reliability of the device, the buffer of the heavy-point device is fully sealed and can be configured; carrying out shade protection design on the bottom of a bracket with easy shell arrangement and clamping at an elevation angle; the quick disassembly and quick assembly of the electric shock sending device is realized through design, so that the efficiency of production, manufacture and maintenance is improved; the structure size and weapon station function requirement of a certain type of machine gun are surrounded, the due function is realized, and the extensible type gun has good extensibility.

Advantageously, there are two of said buffers 12, right side buffer 1201 and left side buffer 1202, respectively; the right side buffer 1201 is connected with the right mounting fixing support plate 14, and the left side buffer 1202 is connected with the left mounting fixing support plate 19; the axes of the right side buffer 1201 and the left side buffer 1202 are coplanar with the rifling of the certain type of heavy machine gun 11, respectively; four guide rails 221 are fixedly arranged on the bracket 22, the four guide rails 221 are divided into two groups, the two groups of guide rails 221 are respectively positioned at two ends of the bracket 22, and the two guide rails 221 of each group are parallel to each other and are respectively coplanar with the rifling of the heavy machine gun 11; a slide seat 231 is slidably arranged on each guide rail 221, and the slide seat 231 is detachably arranged on a slide seat plate 232 of the slide seat assembly 23; firstly, reasonably arranging the buffer 12, selecting a structural form that the axis of the buffer 12 is coplanar with the recoil direction generated by the shooting of a bullet from a gun barrel, forming the effect of highly consistent recoil and buffer force, realizing the offset and balance of the recoil and the buffer force, avoiding the bending moment generated by the impact recoil, simultaneously realizing the arrangement of two buffers distributed on two sides of a machine gun in a limited structural space, reducing the load of a single buffer, enhancing the stability of the buffer force and enabling the shooting process to be more stable; the design layout of the buffer 12 is carried out at the two sides of the machine gun, the buffer is distributed symmetrically left and right, the recoil is balanced, the impact is effectively reduced, and the shooting stability and precision are improved; structurally, the sliding guide rail 221 is arranged on the same plane on four positioning surfaces on the upper surface of the bracket 22, so that a sliding seat 231 combined structure of the sliding seat assembly 23 and the plane four-point split type guide rail 221 is formed; the high-strength steel has the advantages of large front-rear span, small size, high rigidity, good stability and small friction force. The sliding guide rail 221 and the precise sliding seat 231 are matched, positioned and fastened, so that the clearance between the sliding seat assembly and the bracket is effectively eliminated, the rolling friction force is small, the front-back linear motion precision of the machine gun is improved, and particularly, the runout of a muzzle is effectively reduced, and the shooting precision is improved.

The connecting assembly (gun setting and gun taking) of the heavy machine gun 11 and the slide seat assembly 23 comprises an adapter 13, wherein the adapter 13 is fixedly arranged on two support rotating shafts 131, the two support rotating shafts 131 are detachably arranged on the slide seat assembly 23, one side, close to each other, of the two support rotating shafts 131 is provided with a V-shaped positioning surface, the heavy machine gun 11 is fixedly provided with a V-shaped groove, and the V-shaped groove is matched with the V-shaped positioning surface; mounting of a heavy machine gun 11 on an adapter 13: opening a locking hoop on the adapter 13, placing a heavy machine gun 11 right above the adapter 13, aligning a V-shaped (positioning) groove of the gun body with a V-shaped positioning surface of a support rotating shaft 131 of the adapter 13, and pressing down the front part and the gun tail of the gun body to ensure the reliable positioning of the gun body; the locking hoop is pressed against the gun body, and the right-hand locking hoop is tightly fixed on the handle, so that the gun body is ensured to be reliably locked; the connecting assembly (electric shock firing and dismounting) of the certain heavy machine gun 11 and the manual-automatic integrated electric firing assembly 16 comprises a fixed gun tail seat 168, wherein an installation positioning through hole 162 is fixedly arranged on the fixed gun tail seat 168, an opening groove 161 is formed in one side of the installation positioning through hole 162, a fastening screw 164 is arranged on the side face of the opening groove 161, and the gun tail cylinder 112 is matched with the installation positioning through hole 162; the gun tail cylinder 112 is matched with the installation positioning through hole 162 of the manual-automatic electric firing assembly 16 in a positioning way, two inner hexagon screws on the manual-automatic electric firing assembly 16 are loosened by an inner hexagon wrench, the manual-automatic electric firing assembly 16 is sleeved on the gun tail cylinder 112 and is propped in place, and the screws are screwed; the tail electric firing device and the machine gun are positioned rapidly, and are easy to operate in fastening or dismounting; the connection structure of the damper 12 (quick assembly and disassembly of the damper) comprises an outer housing 1206, wherein one end of the outer housing 1206 is provided with an end cover 1205, a plurality of set screws 1209 are arranged on the periphery of the end cover 1205, a sealant 1208 is arranged at the joint of the end cover 1205 and the outer housing 1206, and a core shaft lever 1207 is detachably arranged in the outer housing 1206; a mounting positioning surface 1204 is fixedly arranged on one side of the outer shell 1206, and the right side buffer 1201 and the left side buffer 1202 are fixedly connected with the right mounting fixing support plate 14 and the left mounting fixing plate 19 through the 1204 respectively; an installation positioning hole 1203 is fixedly formed in one end, far away from the end cover 1205, of the mandrel rod 1207, and the installation positioning hole 1203 is sleeved on the support rotating shaft 131; the buffer 12 is positioned and connected with the left and right mounting and fixing support plates (14 and 19) through the mounting and positioning surface 1204, is matched with the supporting rotating shaft 131 through the mounting and positioning hole 1203 of the core shaft lever 1207, and is axially limited by the shaft retainer ring, so that the buffer 12 is quickly mounted and dismounted.

Advantageously, a first buffer element installation area 1211 and a second buffer element installation area 1210 are disposed in the outer housing 1206, the first buffer element installation area 1211 and the second buffer element installation area 1210 are separated by a positioning partition flange 1214, a circular cover plate 1213 is fixedly disposed at one end of the outer housing 1206 far away from the end cover 1205, the mandrel bar 1207 penetrates through the circular cover plate 1213, a high-precision orientation element 1212 is disposed between the circular cover plate 1213 and the first buffer element installation area 1211, the high-precision orientation element 1212 is located at the periphery of the mandrel bar 1207, and a fixing screw 1215 is disposed at one end of the mandrel bar 1207 far away from the installation positioning hole 1203. The seat frame device is arranged outside the vehicle body, needs to adapt to the examination of external environments such as different regions, different temperatures, different weather and the like, performs shooting work, is used as an important component of the seat frame device, the buffer 12 is designed into a closed split structure, the inside of the seat frame device adopts a structural form capable of carrying out buffer element configuration combination according to buffer requirements, the end cover 1205 can be screwed with the external threads on the end face of the outer shell 1206 through the internal threads, and the length of an inner cavity is effectively adjusted, so that the aim of pretightening force adjustment is fulfilled; the mounting and positioning hole 1203 on the end surface of the mandrel bar 1207 is matched with the supporting rotating shaft 131 for fastening the locking hoop of a heavy machine gun 11, when the impact recoil occurs, the mandrel bar 1207 is pushed by the axis of the recoil to drive the compression and extension of the elastic element in the buffer 12, so as to realize the buffering effect; (1) high precision: the high-precision orientation element 1212, the positioning partition flange 1214 and the inner hole of the inner cavity have reasonable fit clearance, and form a high-precision combination of fixed position guiding and sliding clearance fit positioning so as to meet the rigidity and precision under impact load; (2) closed: the inner cavity is sealed with the outside, so that the inner cavity is sand-proof, dust-proof and waterproof, the inner cavity is not easy to rust, the performance of the elastic buffer element is guaranteed, the reliability is improved, and the maintainability is strong; (3) a configurable buffer device and an adjustable inner cavity structure; the elastic elements are selected and combined according to the needs to realize configuration diversification, so that the buffer has different performances; the first and second cushioning element mounting regions 1211, 1210 may be adjusted by positioning the movement of the partition flange 1214 to achieve the compression and reset adjustment of cushioning to a desired spatial extent; different buffer mechanical properties of the buffer 12 are realized through adjustment of the sizes of various elastic elements and the inner space, and the buffer has stronger adaptability and universality.

Advantageously, the slide assembly 23 further includes a slide base plate 232 and a support plate 233, the slide base plate 232 is fixedly connected with the slide base 231, the support plate 233 is fixedly disposed on two sides of the slide base plate 232, and two ends of the slide base plate 232 simultaneously form a first machining reference surface 2321, a second machining reference surface 2322, a third machining reference surface 2323 and a fourth machining reference surface 2324 in one clamping; a first through hole 2331 and a second through hole 2332 are fixedly arranged on the supporting plate 233, the first through hole 2331 and the second through hole 2332 are respectively used for installing two supporting rotating shafts 131, and the first through hole 2331 and the second through hole 2332 are coaxial; a first inner hole 141 is fixedly arranged on the right mounting and fixing support plate 14, a second inner hole 191 is fixedly arranged on the left mounting and fixing plate 19, and the first inner hole 141 and the second inner hole 191 are coaxial; the slide assembly 23 is used as a slide for fixing a machine gun, from the perspective of a manufacturing process, adopts split structural member processing, rough finishing and separation, and forms a processing reference surface by a first processing reference surface 2321, a second processing reference surface 2322, a third processing reference surface 2323 and a fourth processing reference surface 2324 on the surface where the slide 231 is arranged in one clamping; for the supporting plate 233 for installing the buffer 12, the first through hole 2331 and the second through hole 2332 take mounting surfaces (a first processing reference surface 2321, a second processing reference surface 2322, a third processing reference surface 2323 and a fourth processing reference surface 2324) as positioning references, and a tooling is adopted to perform one-time positioning on a numerical control machine tool, so that the machining is completed to ensure the accuracy requirement of coaxiality; the buffer mounting fixing plates (14 and 19) on two sides of the bracket 22 are connected with other mounting surfaces of the weapon station on the left and right outer side surfaces, and are positioned through the first inner hole 141, the second inner hole 191 and the outer page locating surface 195, and the two holes have the requirement of coaxiality; internal surfaces, such as: the first surface 142, the second surface 143, the third surface 144 on the right side, the fourth surface 192, the fifth surface 193, the sixth surface 194 on the left side, and the mounting positioning surface 1204 of the damper 12 cooperate, and the consistency of the left and right dampers (1201 and 1202) and the accuracy of the position after mounting have a direct influence on the damping performance;

Therefore, before assembly, the two mounting and fixing plates (14 and 19) are finished with rough machining, after a moderate allowance is reserved on the surfaces, the mounting and fixing plates (14 and 19) and the bracket 22 are accurately positioned through the drilling positioning pins 197, and then the connection of the mounting and fixing plates is finished through the fastening screws 196; in the finishing stage, the first inner hole 141, the first surface 142, the second surface 143, the third surface 144 of the right mounting fixing plate 14, the second inner hole 191, the fourth surface 192, the fifth surface 193 and the sixth surface 194 of the left mounting fixing plate 19 are completed in one clamping by using the first positioning reference 2201, the second positioning reference 2202, the third positioning reference 2203 and the fourth positioning reference 2204 as positioning references through the fixture. The key point is to ensure that the right side and the left side of the two mounting and fixing plates are arranged in one assembly, the first inner hole 141 and the second inner hole 191 meet the size requirement, the coaxiality requirement and the size and form and position tolerance of other surfaces; the high-precision design of the device is met in the manufacturing process angle, and a good structural member platform and foundation are provided for shooting precision.

Advantageously, the ballistic-proof shell rebound shielding assembly 20 comprises two strip brush attachment plates 203, the strip brush attachment plates 203 are detachably mounted on the bracket 22 by mounting screws 201, one end of each strip brush attachment plate 203, which is far away from the mounting screws 201, is provided with a strip brush fixing seat 204, the strip brush fixing seat 204 is connected with the strip brush attachment plates 203 by fastening pieces 202, and each strip brush fixing seat 204 is fixedly provided with a high-temperature-resistant strip brush 205; by having a flexible slope (high temperature resistant strip brush 205), the direction of the discharge of the cartridge case is changed, avoiding bouncing towards the direction of the discharge opening; a rebound shielding effect is generated to block rebound of the shell; the structure is simple, the manufacture and the installation are easy (based on the same component, a plurality of shielding protection combination modes can be adopted according to the requirement), a certain temperature (100-200 ℃) can be resisted, and the reliability is high;

The specific solution is as follows: a single strip brush installation seat is constructed in a mode of assembling a sheet metal part (a strip brush fixing seat 204) and a high-temperature-resistant strip brush 205; the strip brush mounting seat can be mounted on the right side of the bracket 22 or can be independently mounted on the left side of the bracket 22;

(1) According to the practical combination, a single strip brush mounting seat is mounted on the left side and the right side of the bottom of the bracket; the installation of the single strip brush installation seat has a semi-protection effect, the strip brush has certain hardness and toughness, and after the shell is thrown out, the discharge direction can be changed to a certain extent through the strip brush, so that the condition of rebound towards the shell outlet is avoided;

(2) The 2 strip brush mounting seats are arranged in parallel; the 2 strip brush seats are arranged in parallel, and on the basis that the single strip brush seat forms a semi-closed state, the direction of the falling of the cartridge case is effectively controlled through the limit of the action area of the other strip brush seat, so that the rebound angle of the cartridge case towards the case outlet is avoided, and the shielding effect is improved;

(3) The 2 strip brush mounting seats are arranged in a V shape, and the strip brushes have toughness, so that the strip brushes with proper hardness and toughness can drop out from the middle after the cartridge case is discharged; the V-shaped 2 brush holders are arranged to form a closed shielding structure and effect on the shell outlet, and can completely prevent the shell from falling and rebounding back to the shell outlet.

Advantageously, the first-hand automatic loader 18 includes a latch handle holder 1802, the latch handle holder 1802 being fixedly disposed at an end of the bracket 22 remote from the bullet gauge 21, and a latch handle 1801 being detachably mounted on the latch handle holder 1802; a manual bolt guide rail 1804 is fixedly arranged on one side, far away from the bracket 22, of the sliding seat plate 232, a filling sliding block 1806 is arranged on the manual bolt guide rail 1804 in a sliding manner, an electric bolt guide rail 1805 is arranged on one side of the manual bolt guide rail 1804, the electric bolt guide rail 1805 is fixedly connected with the sliding seat plate 232, an electric bolt seat 1807 is arranged on the electric bolt guide rail 1805 in a sliding manner, a filling motor 1808 is arranged on one side of the electric bolt guide rail 1805, the filling motor 1808 is fixedly connected with the bracket 22, a screw rod is controlled by the filling motor 1808, a threaded block is connected on the screw rod in a threaded manner, and the threaded block is fixedly connected with the electric bolt seat 1807; the end of the sliding seat plate 232 far away from the bolt handle seat 1802 is fixedly provided with a bolt reset box 1810, the filling slide block 1806 comprises a filling slide block protrusion 18061 and a filling slide block cover plate 18062, the filling slide block protrusion 18061 is fixedly connected with the filling slide block cover plate 18062, the filling slide block protrusion 18061 is matched with a filling switch of the heavy machine gun 11, the filling slide block cover plate 18062 is fixedly provided with a reset steel wire rope 1809, and the end of the reset steel wire rope 1809 far away from the filling slide block cover plate 18062 is wound in the bolt reset box 1810; the pull bolt handle seat 1802 is rotatably provided with two rope guide wheels 1811, and the pull bolt steel wire rope 1803 is positioned between the two rope guide wheels 1811; the automatic mode of air guide type is adopted by a heavy machine gun 11, and gunpowder fuel gas enters the piston cylinder through the air guide holes in the gun barrel and the air guide hoop, so that a piston connected with a gun frame is pushed, the gun frame and the gun machine are recoil, actions such as unlocking, shell drawing, bullet pulling and the like are completed, and meanwhile, the return spring is compressed. After the gun bolt is sat in place, the compressed recoil spring pushes the gun bolt frame and the gun bolt to recoil, and actions such as pushing and bouncing into a bore, locking and firing are completed; the single shot or continuous shot, the loading operation is required for the first time from the transmitter of the bullet chain propelling machine gun, and the design of the first-time loading and controlling device which integrates manual loading and automatic loading is realized from the viewpoint of high reliability.

Manual filling operation: the pull bolt handle 1801 is removed from the pull bolt handle seat 1802, the pull bolt wire rope 1803 is pulled to backwards move from the guide slot hole between the 2 guide rope wheels 1811, the pull bolt wire rope 1803 drives the middle filling slide block 1806 to move towards the gun tail along the manual pull bolt guide rail 1804 until the filling slide boss 18061 pushes the filling switch of the machine gun to finish filling, after firing, the filling switch is retracted, and the filling slide block 1806 is reset towards the gun mouth under the pretightening force of the reset device (pull bolt reset box 1810, coil spring structure, one end of the winding reset wire rope 1809) and the pulling of the reset wire rope 1809; the surface contact structure of the filling slide block 1806 and the manual bolt guide rail 1804 is that the filling slide block 1806 needs to drive a filling switch of the machine gun, the pulling force is larger, high-precision surface contact is adopted, the strength and the rigidity are ensured, and the friction force is effectively reduced;

electric operation: the operation interface, the operation software carries out electric operation, the loading motor 1808 drives the lead screw to rotate, the electric bolt seat 1807 moves to the gun tail along the axis, the loading slide block 1806 is driven to move, the loading slide block protrusion 18061 pushes the loading switch of the machine gun, after the initial electric loading is completed, the loading switch is retracted, the loading motor 1808 is reversed, the electric bolt seat 1807 moves towards the gun mouth direction, and the loading slide block 1806 is returned by leaning against the electric bolt seat 1807 under the pretightening force of the restorer (the bolt resetting box 1810) and the pulling of the resetting steel wire rope 1809.

Advantageously, the manual-automatic electric firing assembly 16 further includes a handle 165, the handle 165 is disposed on one side of the fixed gun tailstock 168, a handle seat 166 is fixedly disposed on one side of the handle 165, the handle seat 166 is fixedly connected with the fixed gun tailstock 168, and a firing buckling handle 167 is detachably mounted on the handle seat 166; an electric firing device 163 is arranged on one side of the fixed gun tailstock 168 away from the handle 165; the electric shock sending device 163 comprises a firing electromagnet 1631, the firing electromagnet 1631 is fixedly connected with the fixed gun tailstock 168, a push rod 1634 is arranged on one side of the firing electromagnet 1631, the push rod 1634 is controlled to stretch by the firing electromagnet 1631, one end of the push rod 1634 is hinged with a connecting rod 1632, the connecting rod 1632 is rotatably arranged on a supporting seat 1633, and the supporting seat 1633 is fixedly connected with the firing electromagnet 1631; a transmitter 114 is arranged on the gun tail cylinder 112, a sliding block 113 is arranged on one side of the transmitter 114, a manual trigger 111 is arranged on one side, close to the sliding block 113, of the transmitter 114, the manual trigger 111 comprises a trigger bottom 1111 and a trigger upper portion 1112, the trigger bottom 1111 is hinged with the gun tail cylinder, and the trigger upper portion 1112 is fixedly connected with the trigger bottom 1111; the trigger (manual trigger 111) and the buffer device are arranged on the gun tail, so that manual operation of the gun can be realized, when the trigger is triggered (the trigger upper part 1112), the trigger bottom 1111 moves forward to push the sliding block 113 of the transmitter 114, so that the sear descends, and the gun frame is released to realize the transmitting action; the manual-automatic integrated electric firing assembly 16 utilizes a gun tail cylinder 112 to design a fixed gun tail seat 168 matched with the gun tail cylinder, an opening groove 161 is formed in the rear end of the gun tail seat, and a mounting and positioning through hole 162 of the fixed gun tail seat 168 is tightly held by the gun tail cylinder 112 through a screw to realize positioning and fastening;

By controlling the attraction of the firing electromagnet 1631, the push rod 1634 at the axle center of the firing electromagnet 1631 is pushed to stretch back and forth along the axle; when the push rod 1634 is contracted, the connecting rod 1632 swings around the pin shaft mounted on the supporting seat 1633 as a rotating shaft, and the convex arc end of the connecting rod 1632 close to the manual trigger 111 pushes the plane of the trigger bottom 111, so that the trigger bottom 1111 moves leftwards (view angle of fig. 32), the sliding block 113 of the transmitter 114 is pushed, the sear is lowered, and the gun frame is released to realize the transmitting action.

Advantageously, the horizontal projection side of the chain guide bin 17 forms a straight guiding profile 173 and a gradual contraction profile 174, both ends of the bin 17 are respectively and fixedly provided with an inlet curled edge 175 and an outlet curled edge 176, the inlet curled edge 175 is close to one side of the gradual contraction profile 174, and the outlet curled edge 176 is close to one side of the straight guiding profile 173; the bullet chain guiding bin 17 is provided with a plurality of waist-shaped holes 171, the bullet chain guiding bin 17 is fixedly arranged on a mounting plate 177 through the waist-shaped holes 171, the mounting plate 177 is fixedly connected with the bracket 22, and one side of the bullet chain guiding bin 17 is fixedly provided with an observation hole 172; the chain guard 15 comprises a round angle front guard 151, one side of the round angle front guard 151 is fixedly provided with a round angle guiding anti-blocking vertical plate 152, a right-leaning and backward-leaning chain guide surface 153 is fixedly arranged between the round angle guiding anti-blocking vertical plate 152 and the round angle front guard 151, one side of the round angle front guard 151 far away from the right-leaning and backward-leaning chain guide surface 153 is fixedly provided with a bottom positioning surface 155, the bottom positioning surface 155 and the right-leaning and backward-leaning chain guide surface 153 are respectively provided with a plurality of mounting fixing holes 154, and the chain guard 15 is detachably mounted on the bracket 22 through the mounting fixing holes 154; the stable and reliable bullet supply is an important condition for realizing continuous shooting, is also a key component needing important guarantee, and can cause the termination of continuous shooting for the blocking of a bullet chain and the stacking of a chain; adopting various novel structures to improve the reliability and stability of ammunition feed and chain arrangement;

The elastic chain guide bin 17 is of a progressive type, is of a special-shaped structure with two open ends and wrapped around, and forms an integrated structure through sheet metal, welding and surface treatment, so that the elastic chain guide bin is convenient to install and stable in connection; the bullet magazine is fixed on the bracket 22 through the mounting plate 177, the height dimension of the inlet and the outlet is ensured through the shape and the structure dimension, and in order to facilitate the adjustment and the positioning of the bullet magazine and the bullet feeding machine in the left-right direction in the assembly process, the mounting hole on the mounting plate of the bullet magazine is guided and designed into the waist-shaped hole 171 with adjustable horizontal direction; the positioning of the left and right directions of the bullet chain enables the bullet chain to be accurately aligned with the appointed position of the bullet feeder of the machine gun and smoothly feed the bullet by combining the left and right progressive shrinkage profile 174 of the guide bin and the straight guide profile 173;

round corner curls (an inlet curled edge 175 and an outlet curled edge 176) are respectively designed at the inlet and the outlet (upper, lower, left and right sides) of the progressive chain guide bin, so that the condition that the chain is blocked in the process of entering and exiting is prevented, and continuous and normal chain conveying is ensured; the surface of the path is designed to be a transition smooth and gradual surface on the surface of the path under the contact of the chain conveyor and the guide bin, so that the continuous and smooth bullet supply of the chain is ensured;

after the firing of a heavy machine gun 11, gunpowder fuel gas enters a piston cylinder through a gun barrel and an air guide hole in an air guide hoop, so that a piston connected with a gun frame is pushed, the gun frame and a gun machine are backed up, actions such as unlocking, shell drawing, bullet pulling and the like are completed, a re-feeding spring is compressed, and a bullet chain is discharged from the right side of a bullet supply machine of the machine gun;

For the empty ammunition chain after shooting, the empty ammunition chain is easily accumulated at the positions of the bracket 22 and the like under the condition of no shell arrangement structure, so that serious influence is caused; in order to facilitate timely and smooth discharge of the elastic chains from the seat frame device, an open sheet metal structure (chain baffle 15) with front baffle, right side and rear side inclined downwards is designed, an integrated structure is formed by sheet metal and welding, the bottom and the side surfaces are positioned with the bracket 22, and the elastic chains are fixed with threaded holes on the bracket 22 through peripheral mounting fixing holes 154 and are fixed by socket head cap screws.

Advantageously, the bullet gauge 21 includes a bullet gauge sensor 211, the bullet gauge sensor 211 is fixedly disposed on a bullet gauge sensor mount 212, and the bullet gauge sensor mount 212 is fixedly connected with the bracket 22; the bullet meter 21 records the firing times of the heavy machine gun 11, judges whether the firing times are completed, and feeds back to the manual-automatic electric firing assembly 16, and the manual-automatic electric firing assembly 16 selects to continue firing or end firing according to the feedback result.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. Promote novel seat frame device of certain heavy machine gun shooting precision, its characterized in that: comprising

A bracket;

the sliding seat assembly is arranged on one side of the bracket, is connected with the bracket in a sliding way and is used for installing the certain heavy machine gun;

the right mounting fixing support plate and the left mounting fixing support plate are detachably mounted on the bracket and are respectively positioned at two sides of the certain heavy machine gun;

the buffer is arranged on the right mounting fixed support plate and the left mounting fixed support plate and is connected with the sliding seat assembly;

the manual-automatic electric shock sending component is detachably arranged at one end of a gun tail cylinder of the certain heavy machine gun; the first manual-automatic integrated loader is detachably arranged on the bracket and is positioned at one side of the bracket, which is close to the left mounting and fixing support plate;

the bullet gauge is detachably arranged on the bracket and is positioned at one side of the bracket, which is close to the right mounting and fixing support plate;

The bullet shell rebound prevention shielding component is detachably arranged on the bracket and is positioned at one side of the bracket far away from the certain heavy machine gun;

the bullet chain guide bin is detachably arranged on one side of the bracket, which is close to the initial manual-automatic loader;

the chain row baffle is detachably arranged on one side, far away from the chain guide bin, of the bracket;

the quick-dismantling and quick-assembling assembly comprises a connecting assembly of the heavy machine gun and the sliding seat assembly, a connecting assembly of the heavy machine gun and the manual-automatic integrated electric firing assembly and a connecting structure of the buffer.

2. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the number of the buffers is two, namely a right buffer and a left buffer; the right side buffer is connected with the right installation fixing support plate, and the left side buffer is connected with the left installation fixing support plate; the axes of the right side buffer and the left side buffer are respectively coplanar with the rifling of the certain heavy machine gun; four guide rails are fixedly arranged on the bracket and are divided into two groups, the two groups of guide rails are respectively positioned at two ends of the bracket, and the two guide rails of each group are parallel to each other and are respectively coplanar with rifles of the heavy machine gun; and each guide rail is provided with a sliding seat in a sliding manner, and the sliding seats are detachably arranged on the sliding seat plates of the sliding seat assemblies.

3. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type defined in claim 2 wherein: the connecting assembly of the certain heavy machine gun and the sliding seat assembly comprises an adapter, wherein the adapter is fixedly arranged on two supporting rotating shafts, the two supporting rotating shafts are detachably arranged on the sliding seat assembly, a V-shaped positioning surface is arranged on one side, close to each other, of the two supporting rotating shafts, a V-shaped groove is fixedly arranged on the certain heavy machine gun, and the V-shaped groove and the V-shaped positioning surface are matched; the connecting assembly of the certain heavy machine gun and the manual-automatic integrated electric firing assembly comprises a fixed gun tail seat, wherein a mounting and positioning through hole is fixedly formed in the fixed gun tail seat, an open slot is formed in one side of the mounting and positioning through hole, a fastening screw is arranged on the side face of the open slot, and a gun tail cylinder is matched with the mounting and positioning through hole; the connecting structure of the buffer comprises an outer shell, wherein one end of the outer shell is provided with an end cover, the periphery of the end cover is provided with a plurality of set screws, the joint of the end cover and the outer shell is provided with sealant, and a core shaft lever is detachably arranged in the outer shell; one side of the outer shell is fixedly provided with a mounting and positioning surface, and the right side buffer and the left side buffer are fixedly connected with the right mounting and fixing support plate and the left mounting and fixing plate respectively; the end, far away from the end cover, of the mandrel rod is fixedly provided with a mounting and positioning hole, and the mounting and positioning hole is sleeved on the supporting rotating shaft.

4. A novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 3 wherein: the novel high-precision positioning device is characterized in that a first buffer element installation area and a second buffer element installation area are arranged in the outer shell, the first buffer element installation area and the second buffer element installation area are separated by a positioning partition flange, a round cover plate is fixedly arranged at one end of the outer shell, which is far away from the end cover, of the outer shell, the mandrel rod penetrates through the round cover plate, a high-precision orientation element is arranged between the round cover plate and the first buffer element installation area, the high-precision orientation element is arranged on the periphery of the mandrel rod, and a fixing screw is arranged at one end, which is far away from the installation positioning hole, of the mandrel rod.

5. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the sliding seat assembly further comprises a sliding seat plate and a supporting plate, the sliding seat plate is fixedly connected with the sliding seat, the supporting plate is fixedly arranged on two sides of the sliding seat plate, and a first machining reference surface, a second machining reference surface, a third machining reference surface and a fourth machining reference surface are formed at the two ends in one clamping; the support plate is fixedly provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively used for installing two support rotating shafts, and the first through hole and the second through hole are coaxial; the right mounting and fixing support plate is fixedly provided with a first inner hole, the left mounting and fixing plate is fixedly provided with a second inner hole, and the first inner hole and the second inner hole are coaxial.

6. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the shell-proof rebound shielding assembly comprises two strip brush connecting plates, the strip brush connecting plates are detachably mounted on the bracket through mounting screws, one end, far away from the mounting screws, of each strip brush connecting plate is provided with a strip brush fixing seat, each strip brush fixing seat is connected with the strip brush connecting plates through fastening pieces, and each strip brush fixing seat is fixedly provided with a high-temperature-resistant strip brush.

7. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the first automatic and manual loader comprises a pulling bolt handle seat which is fixedly arranged at one end of the bracket far away from the bullet gauge, and a pulling bolt handle is detachably arranged on the pulling bolt handle seat; a manual bolt guide rail is fixedly arranged on one side of the sliding seat plate, which is far away from the bracket, a filling sliding block is arranged on the manual bolt guide rail in a sliding manner, an electric bolt guide rail is arranged on one side of the manual bolt guide rail, the electric bolt guide rail is fixedly connected with the sliding seat plate, an electric bolt seat is arranged on the electric bolt guide rail in a sliding manner, a filling motor is arranged on one side of the electric bolt guide rail, the filling motor is fixedly connected with the bracket, a screw rod is controlled by the filling motor, a thread block is connected onto the screw rod in a threaded manner, and the thread block is fixedly connected with the electric bolt seat; the sliding seat plate is fixedly provided with a bolt reset box at one end far away from the bolt handle seat, the filling slide block comprises a filling slide block bulge and a filling slide block cover plate, the filling slide block bulge is fixedly connected with the filling slide block cover plate, the filling slide block bulge is matched with a filling switch of a certain heavy machine gun, the filling slide block cover plate is fixedly provided with a reset steel wire rope, and one end far away from the filling slide block cover plate is wound in the bolt reset box; the two rope guiding wheels are rotationally arranged in the pull bolt handle seat, and the pull bolt steel wire rope is positioned between the two rope guiding wheels.

8. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the manual-automatic integrated electric firing assembly further comprises a handle, the handle is arranged on one side of the tail seat of the fixed gun, a handle seat is fixedly arranged on one side of the handle, the handle seat is fixedly connected with the tail seat of the fixed gun, and a firing buckling handle is detachably arranged on the handle seat; an electric shock transmitting device is arranged on one side of the fixed gun tailstock, which is far away from the handle; the electric shock sending device comprises a firing electromagnet, the firing electromagnet is fixedly connected with a tail seat of the fixed gun, a push rod is arranged on one side of the firing electromagnet, the push rod is controlled to stretch and retract by the firing electromagnet, one end of the push rod is hinged with a connecting rod, the connecting rod is rotatably arranged on a supporting seat, and the supporting seat is fixedly connected with the firing electromagnet; be equipped with the transmitter on the butt cylinder, one side of transmitter is equipped with the slider, the transmitter is close to one side of slider is equipped with manual trigger, manual trigger includes trigger bottom and trigger upper portion, the trigger bottom with the butt cylinder articulates, trigger upper portion with trigger bottom fixed connection.

9. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the horizontal plane projection side of the chain guide bin forms a straight guiding contour and a gradual shrinkage contour, an inlet curled edge and an outlet curled edge are respectively fixedly arranged at two ends, the inlet curled edge is close to one side of the gradual shrinkage contour, and the outlet curled edge is close to one side of the straight guiding contour; the bullet chain guide bin is fixedly arranged on a mounting plate through the waist-shaped holes, the mounting plate is fixedly connected with the bracket, and an observation hole is fixedly formed in one side of the bullet chain guide bin; the chain guide baffle comprises a round angle front baffle, one side of the round angle front baffle is fixedly provided with a round angle guide anti-blocking vertical plate, the round angle guide anti-blocking vertical plate and a right-leaning and backward-leaning chain guide surface are fixedly arranged between the round angle front baffle, the round angle front baffle is far away from one side of the right-leaning and backward-leaning chain guide surface is fixedly provided with a bottom positioning surface, the bottom positioning surface and a plurality of installation fixing holes are formed in the right-leaning and backward-leaning chain guide surface, and the chain guide baffle is detachably mounted on the bracket through the installation fixing holes.

10. The novel mounting arrangement for improving the firing accuracy of a heavy machine gun of the type set forth in claim 1, wherein: the bullet metering device comprises a bullet metering sensor which is fixedly arranged on a bullet metering sensor mounting seat, and the bullet metering sensor mounting seat is fixedly connected with the bracket; the bullet meter records the shooting times of the heavy machine gun, judges whether the shooting times are finished, and feeds back the shooting times to the manual-automatic electric firing assembly, and the manual-automatic electric firing assembly selects to continue shooting or end shooting according to the feedback result.

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