CN112524993B - Breechblock buffer detection device - Google Patents

Abstract

The invention discloses a gun breech buffer detection device, belonging to the technical field of equipment sealing detection equipment, comprising a force applying part, a pressure display part and a base for placing a gun breech buffer. The components are respectively arranged on both ends of the base and are respectively in contact with both ends of the breech buffer, and a displacement display component is provided at the contact end of the force applying component and the breech buffer. The invention has the advantages of simple structure and convenient and quick operation. The force application part applies pressure to the breech buffer, the pressure display part is used to display the pressure, and the displacement display part is used to display the displacement of the breech buffer, so as to realize the adjustment of the breech buffer. The purpose of applying rated pressure to the buffer and measuring the shrinkage of the breech buffer is to judge whether its performance is good or not according to the shrinkage of the breech buffer under the rated pressure, so as to achieve the purpose of testing the performance of the breech buffer.

Description

breech buffer detection device

technical field

The invention belongs to the technical field of equipment sealing detection equipment, and in particular relates to a gun breech buffer detection device.

Background technique

The breech buffer is an important mechanism of the anti-aircraft gun automatic machine. Its function is to consume and store part of the recoil energy, so that the breech stop recoil, and then release the stored energy to push the breech back. When the breech block is recoiled, the internal working pressure of the breech block buffer is very high, reaching 80-100MPa. If the sealing is not good, it is easy to leak air and liquid, which will lead to a significant reduction in the rate of fire of the gun and seriously affect the performance of the gun. During the technical inspection of the artillery automaton, the sealing performance of the breech buffer must be checked.

At present, the troops do not have a special test device for the performance inspection of the breech buffer during maintenance and debugging. When the breech buffer is checked, the inspection method is: put the breech buffer under the shoe of the No. 1 leveling cylinder. , the center of the shoe is aligned with the piston, draw the first engraved line on the piston with an oil pen; put down the leveling cylinder by hand, so that the rear body of the gun is pressed on the piston until the rear wheel of the gun leaves the ground; use the oil pen Draw a second engraved line on the piston, retract the leveling cylinder, and the piston should be able to return to its original position; the difference between the two engraved lines should not be greater than 15mm. This inspection method takes a long time, is very inconvenient to carry out in the field, and the inspection is inaccurate. In order to ensure the automatic, continuous and precise firing of the new type of anti-aircraft gun, it is necessary to ensure that the breech buffer of this type of anti-aircraft gun has good performance. Whether it can quickly and directly use the detection device to test the performance of the breech buffer has become an urgent issue for the weapon system. In order to solve this problem and ensure that the breech buffer has good working performance, so as to ensure that the anti-aircraft gun has good combat effectiveness and support, it is very necessary to carry out the research on the detection technology of the anti-aircraft breech buffer.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to aim at the deficiencies of the above-mentioned prior art, and to provide a gun breech buffer detection device, which can effectively improve the detection efficiency, ensure the detection quality, and ensure that the anti-aircraft gun can fire automatically, continuously and accurately.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present invention is:

A gun breech buffer detection device, comprising a force applying part, a pressure display part and a base for placing the breech buffer, the force applying part and the pressure display part are respectively arranged at two ends of the base, Both ends of the breech buffer are in contact with each other, and a displacement display member is provided at the contact end of the force applying member and the breech buffer.

Preferably, the force applying component includes a manual hydraulic pump and its upper handle, the handle of the manual hydraulic pump is arranged obliquely above the base, the manual hydraulic pump is arranged at the rear end of the base, and the pressure display component Set on the front end of the base.

Preferably, both sides of the base are provided with side pull plates, the manual hydraulic pump is arranged between the side pull plates on both sides, the manual hydraulic pump is connected to a support rod, and both ends of the support rod are connected to the side pull plates. The pull plates are connected; the displacement display part is arranged between the support rod and the breech buffer.

Preferably, the bottom of the base is provided with a support body for supporting the breech buffer, and the middle of the support body is provided with a groove for matching with the outer circle of the breech buffer.

Preferably, the pressure display component includes a hydraulic cylinder, a piston and a pressure gauge, one end of the hydraulic cylinder filled with hydraulic oil is open and the other end is closed, the pressure gauge is arranged on the top of the closed end of the hydraulic cylinder, and the piston One end of the cylinder extends into the open end of the hydraulic cylinder, the exposed end of the piston is provided with a truncated circle that can be connected with the breech buffer; the open end of the hydraulic cylinder is provided with a truncated circle The end cover is connected with the hydraulic cylinder body through a connecting piece; a sealing ring is arranged between the piston and the inner wall of the hydraulic cylinder.

Preferably, the displacement display component includes a scale sliding cylinder, a circular scale and a displacement meter, the scale sliding cylinder is provided with a spring, one end of the circular scale is provided with a protruding annular limit platform, the limit The position platform is arranged at one end of the inner cavity of the scale sliding cylinder, and one end of the spring is in contact with the limiting platform; the other end of the circular scale is exposed outside the scale sliding cylinder, and the displacement meter is arranged on the outer side of the circular scale. on the side wall; the scale sliding cylinder is connected with the support rod through the manual hydraulic pump support, the other end of the spring is in contact with the manual hydraulic pump support, and the circular scale can be sleeved on the connecting end of the breech buffer , the probe of the displacement meter is in contact with the breech buffer.

Preferably, the end of the scale sliding cylinder is connected to the support of the manual hydraulic pump through a hole with an elastic washer.

The beneficial effects of adopting the above technical solutions are: compared with the prior art, the present invention has the advantages of simple structure, convenient and quick operation, applying pressure to the breech buffer through the force-applying component, and displaying the pressure with the help of the pressure-displaying component, Then use the displacement display part to display the displacement of the breech buffer, to achieve the purpose of applying rated pressure to the breech buffer and measuring the shrinkage of the breech buffer, and judge its performance according to the shrinkage of the breech buffer under the rated pressure. Whether it is good or not, to achieve the purpose of detecting the performance of the breech buffer.

Description of drawings

1 is a schematic structural diagram of a breech block buffer detection device provided by an embodiment of the present invention;

Fig. 2 is the use principle structure diagram of the present invention;

Fig. 3 is the structural representation of the pressure display part in Fig. 1;

Fig. 4 is the structural representation of displacement display part in Fig. 1;

Fig. 5 is the top view of Fig. 4;

In the picture: 00- breech buffer, 01-force part, 02-pressure display part, 03-displacement display part; 1-base, 2-hand hydraulic pump, 3-side pull plate, 4-support rod, 5-hydraulic cylinder block, 6-piston, 7-pressure gauge, 8-hydraulic oil, 9-table circle, 10-end cover, 11-connecting piece, 12-sealing ring; 13-scale sliding cylinder, 14-round Ruler, 15-spring, 16-limiting table, 17-elastic washer for hole, 18-support body, 19-pressing rod, 20-installation hole, 21-handle.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

As shown in FIG. 2 , a breech buffer detection device provided by the present invention includes a force applying part 01, a pressure display part 02 and a base 1 for placing the breech buffer 00. The force applying part and the pressure The display parts 02 are respectively disposed on both ends of the base 1 and are respectively in contact with both ends of the breech buffer 00 , and a displacement display part 03 is provided at the contact end of the force applying member 01 and the breech buffer 00 .

In a specific embodiment of the present invention, as shown in FIG. 1 , the force applying member 01 includes a manual hydraulic pump 2 and its upper handle 21 , and the handle 21 of the manual hydraulic pump 2 is obliquely arranged above the base 1 , the manual hydraulic pump 2 is arranged at the rear end of the base 1 , and the pressure display component is arranged at the front end of the base 1 . Use the manual hydraulic pump to apply pressure to the breech buffer and keep the pressure.

In a specific embodiment of the present invention, as shown in FIGS. 1 and 2 , side pull plates 3 are provided on both sides of the base 1 , and the manual hydraulic pump 2 is arranged between the side pull plates 3 on both sides. , the manual hydraulic pump 2 is connected with the support rod 4, both ends of the support rod 4 are connected with the side pull plate 3; the displacement display part 3 is arranged between the support rod 4 and the breech buffer 00. Wherein, the support rod penetrates the lower part of the manual hydraulic pump and is fixed on the side pull plate. At the same time, a pressure rod 19 is installed above the manual hydraulic pump, so that the manual hydraulic pump 2 is firmly fixed between the pressure rod 19 and the base 1 . Both ends of the support rod are supported on the two side pull plates to carry the force exerted by the manual hydraulic pump on the breech buffer. Since its size is limited by the size of the jack itself, its strength must be checked. The support rod is made of 45 steel, and the bending normal stress, bending shear stress and tensile shear force are checked one by one. The side pull plate is used to connect the support rod, the manual hydraulic pump, the breech block buffer, the pressure display part and the baffles at both ends.

The above technical solution is further optimized. As shown in FIG. 1 , the bottom of the base 1 is provided with a support body 18 for supporting the breech buffer 00 , and the middle of the support body 18 is provided with a support body 18 for connecting with the outside of the breech buffer 00 . The grooves with matching circles can better limit the position of the breech buffer with this structure.

In a preferred embodiment of the present invention, as shown in FIG. 3 , the pressure display component 02 includes a hydraulic cylinder 5, a piston 6 and a pressure gauge 7. One end of the hydraulic cylinder 5 filled with hydraulic oil 8 is open and the other is open. One end is closed, the pressure gauge 7 is arranged on the top of the closed end of the hydraulic cylinder 5, one end of the piston 6 extends into the open end of the hydraulic cylinder 5, and the exposed end of the piston 6 is provided with a buffer capable of buffering with the breech block. The open end of the hydraulic cylinder body 5 is provided with an end cover 10 that can be sleeved on the platform circle 9, and the end cover 10 is connected with the hydraulic cylinder body 5 through a connecting piece 11. The connecting piece Countersunk head screws can be selected; a sealing ring 12 is provided between the piston 6 and the inner wall of the hydraulic cylinder 5 . Since the movement of the piston is very small, it is close to a static seal, so the sealing ring adopts the sealing method of double O-rings.

Among them, pressure gauge 7 uses CR-Y100 series digital hydraulic gauge, which is mainly composed of pressure sensor and signal processing circuit. Oil-filled medium and other advantages; the signal processing circuit is composed of the latest ultra-low power consumption processor, signal processing chip and power management chip; it is powered by a large-capacity high-performance lithium battery. No external power supply is required. The appearance of the instrument is exquisite, small and beautiful, and it is easy to use and operate. The built-in battery of the pressure gauge is mainly used for on-site measurement and display, and functions such as current signal output, digital communication, paperless recording, and alarm switch can also be added as required (external power supply is required at this time).

In view of the fact that the force exerted by the breech buffer is several tons, and the sensors with matching ranges often need independent power supply, the present invention designs a special hydraulic cylinder to bear the pressure, and reads through the pressure gauge connected to the hydraulic cylinder. For the convenience of reading, the diameter of the oil cylinder is calculated so that the pressure of the oil cylinder is the same as the pressure tonnage that the area bears. Among them, the hydraulic cylinder is communicated with the hydraulic oil in the manual hydraulic pump to ensure that the pressure displayed by the pressure gauge is the pressure applied by the manual hydraulic pump to the breech buffer. The manual hydraulic pump, the hydraulic cylinder block are connected together by the base, and the force applied to the breech buffer is carried.

According to Archimedes' law, the relatively large pressure is converted into the corresponding pressure gauge through the hydraulic cylinder, and the diameter of the hydraulic cylinder is designed to ensure that the pressure gauge (kg) corresponds to the corresponding breech buffer. The pressure (1000kg) corresponds to the numerical value, and the pressure indication number has a linear relationship with the direct load of the hydraulic cylinder, which is convenient for direct reading in actual use.

In a preferred embodiment of the present invention, as shown in FIGS. 4 and 5 , the displacement display component 03 includes a scale sliding cylinder 13, a circular scale 14 and a displacement table (not shown in the drawings). 13 is provided with a spring 15, and one end of the circular scale 14 is provided with a protruding annular limit stage 16, the limit stage 16 is arranged at one end of the inner cavity of the scale slide cylinder 13, and one end of the spring 15 is connected to one end of the inner cavity. The limit platform 16 is in contact; the other end of the circular scale 14 is exposed to the outside of the scale sliding cylinder 13, and the displacement meter is arranged on the side wall of the circular scale 14 to detect the displacement of the breech buffer ; Described scale sliding cylinder 13 is connected with support rod 4 through manual hydraulic pump support, the other end of described spring 15 is in contact with the manual hydraulic pump support, and described circular scale 14 can be set in the breech block buffer 00 At one end, the probe of the displacement meter is in contact with the breech buffer 00 . Among them, a dial indicator is used for the displacement meter. In order to facilitate the installation of the dial indicator, a mounting hole 20 is machined on the side wall of the circular scale, and the probe of the dial indicator can be inserted into the mounting hole and abutted with the breech block buffer; A plane can be pre-processed in the hole of the installation hole to facilitate the installation of the dial indicator. In addition, the scale is marked on the outer circle of the circular scale for easy reading. The working process is as follows: the scale sliding cylinder and spring are set on the piston rod of the hydraulic pump, the piston rod is extended into contact with the end face of the breech buffer, the circular scale is set on the end of the breech buffer, and the breech buffer is buffered by the hydraulic pump. Force is applied by the device, and one end of the scale sliding cylinder is in contact with the support of the manual hydraulic pump, and the displacement of the breech buffer can be detected by the displacement meter.

When the manual hydraulic pump applies pressure to the breech buffer, the breech buffer is forced to shrink under the push of the manual hydraulic pump. Since the probe of the displacement gauge is in contact with the outer wall of the breech buffer, it will follow the movement of the breech buffer. Displacement changes, so as to achieve the purpose of detecting the shrinkage of the breech buffer piston. According to the size of the shrinkage, check whether the breech buffer meets the performance requirements to achieve the purpose of detection.

The above technical solution is further optimized. As shown in FIG. 4 , the end of the scale sliding cylinder 13 is connected to the manual hydraulic pump support through a hole with an elastic washer. Use the elastic washer for the hole to limit the axial position of the scale slide cylinder, insert the elastic washer for the hole into the hole of the scale slide cylinder, and abut the elastic washer for the hole with the support of the manual hydraulic pump to realize the axial direction of the scale slide cylinder. limit.

The working principle of the present invention is as follows:

As shown in Figure 1-3, shake the manual hydraulic pump 2 to act on the breech block buffer 00 to force it to contract, and read the system pressure value according to the pressure gauge 7 connected to the hydraulic cylinder block 5 opposite to the manual hydraulic pump 2 , Read the shrinkage of the breech buffer through the displacement displacement table in contact with the breech buffer 00, and judge whether its performance is good according to the shrinkage of the breech buffer under the rated pressure, so as to achieve the purpose of detecting the performance of the breech buffer . These functions are mainly realized by applying pressure by the manual hydraulic pump. The technical solution has a simple design structure and reasonable arrangement, which can ensure that the strength meets the design requirements; the purpose of measuring the internal pressure of the manual hydraulic pump and the shrinkage of the breech buffer is realized.

其剪切应力为：[τ]＝120MPa；弯曲许用应力为：[σ]＝200MPa。In the production process of the present invention, 45 steel is used for the hydraulic cylinder block, recovery, and end cover in the support rod and the pressure display part, as well as the scale slider, circular scale and spring in the displacement display part, and 45 steel is a kind of The more commonly used high-quality carbon structural steel is often used in the manufacture of various engineering components (such as bridges, ships, building components, etc.) and machine parts (such as gears, shafts, connecting rods, etc.). Its yield limit is: σ _s = 360MPa; the safety factor selected in the design is: S = 1.2; its allowable tensile and compressive stresses are:

The shear stress is: [τ]=120MPa; the allowable bending stress is: [σ]=200MPa.

To sum up, the present invention can realize: the manual hydraulic pump exerts pressure on the breech buffer to make it shrink under force, and the system pressure is read through the pressure gauge connected with the hydraulic cylinder, and the buffer is buffered with the breech block. Read the displacement of the breech buffer under the rated pressure from the displacement table of the contact of the gun, and judge whether the performance of the breech buffer is good by the magnitude of the displacement, so as to realize the purpose of detecting the performance of the breech buffer. Three major themes of convenience, directness and unconditional restrictions are realized. The invention has simple structure, convenient operability and easy disassembly, intuitive reading of measurement data, and easy to carry and use. The need for breech bumper performance testing.

The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (4)

1. A breechblock buffer detection device which characterized in that: the breechblock buffer device comprises a force application part, a pressure display part and a base for placing the breechblock buffer, wherein the force application part and the pressure display part are respectively arranged at two ends of the base and are respectively abutted against two ends of the breechblock buffer, and a displacement display part is arranged at the contact end of the force application part and the breechblock buffer; the force application component comprises a manual hydraulic pump and an upper handle thereof, the handle of the manual hydraulic pump is obliquely arranged above the base, the manual hydraulic pump is arranged at the rear end of the base, and the pressure display component is arranged at the front end of the base; the hydraulic pump is connected with a support rod, and two ends of the support rod are connected with the side pull plates; the displacement display part is arranged between the support rod and the breechblock buffer;

the pressure display part comprises a hydraulic cylinder body, a piston and a pressure gauge, one end of the hydraulic cylinder body filled with hydraulic oil is open, the other end of the hydraulic cylinder body is closed, the pressure gauge is arranged at the top of the closed end of the hydraulic cylinder body, one end of the piston extends into the open end of the hydraulic cylinder body, and the exposed end of the piston is provided with a round table which can be connected with the breechblock buffer; the open end of the hydraulic cylinder body is provided with an end cover which can be sleeved on the bench, and the end cover is connected with the hydraulic cylinder body through a connecting piece; and a sealing ring is arranged between the piston and the inner wall of the hydraulic cylinder body.

2. A breechblock bumper detection apparatus as defined in claim 1 wherein: the bottom of base is equipped with the supporter that is used for supporting the breechblock buffer, the middle part of supporter is equipped with and is used for with breechblock buffer excircle assorted recess.

3. A breechblock bumper detection apparatus as claimed in claim 1 or claim 2 in which: the displacement display component comprises a scale sliding barrel, a circular scale and a displacement meter, wherein a spring is arranged in the scale sliding barrel, one end of the circular scale is provided with a convex annular limiting table, the limiting table is arranged at one end of an inner cavity of the scale sliding barrel, and one end of the spring is abutted against the limiting table; the other end of the circular scale is exposed out of the scale sliding barrel, and the displacement meter is arranged on the side wall of the circular scale; the sliding tube of the scale is connected with the support rod through the manual hydraulic pump support, the other end of the spring is abutted to the manual hydraulic pump support, the circular scale can be sleeved on the connecting end of the breechblock buffer, and the measuring head of the displacement meter is abutted to the breechblock buffer.

4. A breechblock bumper detection apparatus as defined in claim 3 wherein: the end part of the scale sliding cylinder is connected with the manual hydraulic pump support through a hole by an elastic gasket.

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