CN217605618U - Hit and hit test structure based on energetic material friction sensitivity survey - Google Patents

Abstract

The utility model discloses a hit and beat test structure based on friction sensitivity of energetic material survey, including test instrument and pendulum structure, test instrument body, last fore-set and punching pin, the side of instrument body is provided with the opening with the through-hole intercommunication, the opening part is provided with the impact rod of aligning with the space below the last fore-set; pendulum structure including hitting the pillar, setting up and hitting the backup pad, rotate the pendulum arm that sets up and hitting in hitting on the backup pad and set up the pendulum at pendulum arm free end on hitting the pillar, hit the pole setting on the removal orbit of pendulum. The utility model has the advantages that: this scheme utilization hits the slip of pole and applys the hitting power to the experiment piece, can the effective control hits the removal precision of pole to guarantee the relative position precision of pole and experiment piece, avoid the pole to appear the deviation with the relative position of experiment piece and influence experimental accuracy, the pole does not directly link the drive structure, can reduce the vibration that drive structure itself produced and cause the influence to the experiment precision.

Description

Hit and hit test structure based on energetic material friction sensitivity survey

Technical Field

The utility model relates to a friction sensitivity test technical field, specific theory is a hit and beat test structure based on energetic material friction sensitivity survey.

Background

Sensitivity is the ability of an explosive material to undergo explosive changes under the action of external energy. Explosive materials generally refer to explosives and other chemical substances of similar explosive nature. The minimum energy at which a substance causes an explosive change is called the excitation impulse. The smaller the excitation impulse required to cause an explosive change, the more sensitive the explosive and the greater its sensitivity. Before processing and transporting energetic materials such as explosives and the like, the friction sensitivity needs to be tested.

Under the prior art, a BAM friction sensitivity instrument is usually adopted for testing, the BAM friction sensitivity instrument applies constant pressure to a tested material in a lever mode, the stability of a pressurizing part is poor due to the movable connection of the pressurizing part, the constant pressure borne by the tested material in the testing process is difficult to ensure, and particularly the testing result is not accurate completely at the moment when the tested material bears the impact force. The structure for applying the impact force to the test material is connected with the motor, and the vibration and force application directions of the motor can also influence the test precision.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model aims to provide a hit test structure based on containing energy material friction sensitivity survey for improve and hit the direction precision of power of hitting, guarantee the accuracy of experiment.

The utility model discloses a following technical scheme realizes: a beating test structure based on measurement of friction sensitivity of energetic materials comprises a test instrument and a pendulum bob structure, wherein the test instrument comprises an instrument body with a through hole, an upper ejection column arranged at one end of the through hole and a punch which is arranged at the other end of the through hole in a sliding manner and can clamp a test piece with the upper ejection column; the pendulum structure including hit the pillar, set up and hit the backup pad, rotate the pendulum arm that sets up in hitting on beating the backup pad and set up the pendulum at the pendulum arm free end on beating the backup pad, hit the pole setting on the removal orbit of pendulum.

Furtherly, for better realization the utility model discloses, still including the test bottom plate, be provided with a plurality of test pillar on the test bottom plate, be provided with the test roof on the test pillar, the instrument body pass through the ring flange and install the lower surface at the test roof, last pillar setting at the lower surface of ring flange.

Further, for better realization the utility model discloses, this internal bracket that is provided with of instrument, be provided with aperture ladder through-hole up in the bracket, the one end of punching pin and the aperture cooperation installation of ladder through-hole, there is the bracket nut large hole of ladder through-hole through threaded connection, the bracket nut is passed to the one end of punching pin, is provided with the shaft shoulder on the punching pin, is provided with the spring of suit on the punching pin in the large hole of ladder through-hole.

Further, for better realization the utility model discloses, bracket and last fore-set between be provided with the uide bushing, be provided with in the uide bushing with the through-hole of experimental part cooperation installation, the one end that the fore-set was kept away from to the instrument body is connected with and is used for spacing body nut to the bracket.

Further, for better realization the utility model discloses, the one end that the instrument body is close to the body nut be provided with the spacer pin, the bracket on be provided with the bracket spacing groove of spacer pin cooperation installation, the bracket slide to set up at the instrument originally internally, be provided with the locking structure that can the uide bushing on the test bottom plate.

Further, for better realization the utility model discloses, the locking structure include the suit at the separator cup in the instrument body outside, set up the branch support on the test bottom plate, with branch support articulated branch, the side of separator cup is provided with along the rectangular through-hole of separator cup axial setting, slide in the rectangular through-hole and be provided with branch articulated pivot, this internal separator hook of L type of spiral-lock at the uide bushing upper surface that is provided with of instrument, the separator hook is articulated with the pivot.

Further, for better realization the utility model discloses, branch one end that is close to the instrument body be the semi-annular, the symmetry is provided with two rectangular through-holes and two pivots on the separator cup, two tip of semi-annular branch are articulated with a pivot respectively, instrument body internal symmetry is provided with two separator hooks.

Furthermore, in order to better realize the utility model, one end of the strut, which is far away from the instrument body, is hinged with a transmission block, a strut cylinder in transmission connection with the transmission block is arranged on the test bottom plate in a sliding way, and the action of the strut is controlled through the action of a strut cylinder piston rod;

further, for better realization the utility model discloses, the test bottom plate on be provided with the cylinder spout and slide the cylinder slider that sets up in the cylinder spout, the branch cylinder be connected with the cylinder slider, the length direction perpendicular to branch of cylinder spout is for the rotation center of branch support.

Furthermore, in order to better realize the utility model, the beating support plate is provided with a pendulum bracket, the pendulum bracket is rotatably provided with a ratchet wheel with ratchet teeth and a stop iron matched with the ratchet teeth for use, and the pendulum arm is in transmission connection with the ratchet wheel; the pendulum bracket is provided with a choke shaft with the axis parallel to the axis of the ratchet wheel, the choke is rotationally arranged on the choke shaft, and the choke shaft is sleeved with a choke spring connected between the choke and the pendulum bracket; and a blocking iron cylinder in transmission connection with the blocking iron is arranged on the pendulum bracket.

Furthermore, in order to better realize the utility model, the beating support plate is provided with a shift lever in a rotating way, the free end of the shift lever is connected with the pendulum arm in a transmission way, and the free end of the shift lever is provided with a follow-up cam in rolling connection with the pendulum arm; the beating support plate is provided with a beating motor, and a speed reducer is connected between the beating motor and the shifting rod.

The beneficial effect that this scheme obtained is: this scheme utilization hits the slip of pole and applys the power of hitting to the experiment piece, can effective control hits the removal precision of pole to guarantee the relative position precision of pole and experiment piece, avoid the relative position of pole and experiment piece to appear the deviation and influence experimental accuracy, the pole does not directly link the drive structure, can reduce the vibration that drive structure itself produced and cause the influence to the experiment precision.

Drawings

FIG. 1 is a perspective view of a test structure;

FIG. 2 is a schematic cross-sectional view of a test structure;

FIG. 3 is a schematic view of the internal structure of the instrument body;

FIG. 4 is a schematic view of the internal structure of the instrument body;

FIG. 5 is a perspective view of the striking structure;

FIG. 6 is a top view of the striking structure;

FIG. 7 is a schematic view of the position of the shift lever;

FIG. 8 is an enlarged view taken at A of FIG. 6;

31-test bottom plate, 32-test support column, 33-test top plate, 34-flange plate, 35-upper top column, 36-top rod, 37-support rod, 38-transmission block, 39-support rod cylinder, 391-cylinder sliding groove, 392-cylinder sliding block, 310-, 311-instrument sleeve, 312-instrument body, 3121-limit pin, 313-separator cup, 3131-strip through hole, 314-guide sleeve, 315-bracket, 3151-bracket limit groove, 316-spring, 317-punch, 318-body nut, 319-bracket nut, 320-rotating shaft, 321-bearing, 322-striking rod, 323-striking rod mounting seat, 324-separator hook, 41-striking support plate, 42-striking motor, 43-reducer, 45-striking support column, 46-in-position sensor, 47-ratchet wheel, 471-ratchet wheel tooth, 48-pendulum arm, 49-pendulum, 410-brake cylinder, 411-iron blocking cylinder, 412-iron blocking, 413-pendulum support, 414-417, 415-iron blocking shaft, 415-spring blocking iron blocking shaft, and experimental piece, and follow-moving rod.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example 1:

as shown in fig. 1, 5 and 6, in the present embodiment, the impact testing structure based on the determination of the friction sensitivity of the energetic material includes a testing instrument and a pendulum structure, the testing instrument includes an instrument body 312 with a through hole, an upper support pillar 35 disposed at one end of the through hole, and a punch 317 slidably disposed at the other end of the through hole and capable of clamping the experimental part 5 with the upper support pillar 35, an opening communicating with the through hole is disposed on a side surface of the instrument body 312, and a striking rod 322 aligned with a space below the upper support pillar 35 is disposed at the opening;

the pendulum structure comprises a beating support 45, a beating support plate 41 arranged on the beating support 45, a pendulum arm 48 rotatably arranged on the beating support plate 41 and a pendulum 49 arranged at the free end of the pendulum arm 48, and a beating rod 322 is arranged on the moving track of the pendulum 49.

When needing to test the experimental part 5, utilize drive structure to exert thrust to punch 317, make punch 317 and last fore-set 35 press from both sides tight experimental part 5, make experimental part 5 receive invariable pressure, make pendulum arm 48 rotate and set up on hitting and beating backup pad 41, can control pendulum 49 along fixed orbit swing, release pendulum 49 from the eminence, can make pendulum 49 to drop on pendulum 49 moves the hitting rod on the orbit and exert the impact, thereby make the hitting rod strike experimental part, with this purpose that reaches the experiment.

The experimental part 5 respectively generates sliding friction with the punch 317 and the upper support pillar 35, the explosion probability of the experimental part 5 is observed, and the friction sensitivity of the experimental part 5 is represented.

This scheme can control pendulum 49 to the length of hitting the effective route of pole 322 as required, can control pendulum 49 to the size of hitting the power that pole 322 was exerted, it is convenient when experimental many times, provide the direction, the impact force of size invariant, with this control hits the moving direction of pole 322, thereby can control the relative position precision of pole 322 and experimental piece 5 and the atress direction of experimental piece 5, and when carrying out many times of experiments, can make the relative position precision of pole 322 and experimental piece 5 keep unanimous, even the atress direction of experimental piece 5 keeps unanimous all the time, thereby avoid hitting the pole 322 and the relative position of experimental piece 5 to take place the deviation and influence the degree of accuracy of experiment, eliminate and hit 4 self vibrations of beating structure and lead to experimental piece 5 different and the experimental error that bring of atress direction when experimenting many times, the degree of accuracy of experiment has been improved.

In this embodiment, the testing structure 3 further includes a striking rod mounting seat 323, and the striking rod 322 is slidably disposed in the striking rod mounting seat 323 and in transition fit with the striking rod mounting seat 323, so as to prevent the striking rod mounting seat 323 and the striking rod 322 from being too tight to affect the movement of the striking rod 322, and to prevent the striking rod 322 from being loosened to affect the experimental accuracy. The end of the striking rod 322 far away from the experimental part 5 is provided with a striking rod limiting head, so as to limit the limit moving position of the striking rod 322.

Utilize instrument body 312 to be able to keep apart experimental part 5 and surrounding environment relatively, make experimental part 5 only can pass through the opening business turn over, receive the striking and when breaking away from at experimental part 5, can be with experimental part 5 restriction in instrument body 312, prevent that experimental part 5 from colliding and have the burning with other structures, the risk of explosion, and if the burning takes place because of bearing the hitting power at experimental part 5, when the explosion, can be to the burning, the explosion plays certain isolation, make the burning, the impact force that the explosion produced is released from the opening part, reduce the burning, the explosion is to surrounding equipment, personnel's influence.

As shown in fig. 1 and fig. 2, a testing bottom plate 31 is disposed in the rack 1, a plurality of testing pillars 32 are disposed on the testing bottom plate 31, a testing top plate 33 is disposed on the testing pillars 32, the instrument body 312 is mounted on the lower surface of the testing top plate 33 through a flange plate 34, and the upper pillars 35 are disposed on the lower surface of the flange plate 34.

The striker mounting block 323 is mounted to the lower surface of the test top plate 33.

Through installing last fore-set 35 at the lower surface of ring flange 34, utilize ring flange 34 to support last fore-set 35, it is spacing in order to improve its stability, utilize drive structure 2 to play the support to the punching pin 317, spacing effect, can control the relative position precision of last fore-set 35 and punching pin 317 as clamping structure, avoid receiving external force factor to make the relative position change of last fore-set 35 and punching pin 317 and lead to the clamp force that experimental part 5 bore to change, thereby be favorable to improving the precision of test.

In this embodiment, the axis of the through hole in the instrument body 312 is in the vertical direction, and the punch 317 can move in the vertical direction.

Example 2:

as shown in fig. 3 and 4, on the basis of the above embodiments, in this embodiment, a bracket 315 is disposed in the instrument body 312, a stepped through hole with a small hole facing upward is disposed in the bracket 315, one end of a punch 317 is fitted with the small hole of the stepped through hole, a large hole of the stepped through hole is connected with a bracket nut 319 through a thread, one end of the punch 317 passes through the bracket nut 319, a shaft shoulder is disposed on the punch 317, and a spring 316 sleeved on the punch 317 is disposed in the large hole of the stepped through hole.

The punch 317 and the small hole of the stepped through hole are matched for installation, so that the punch 317 can be guided and limited, the moving direction of the punch 317 is controlled, and the influence on the stability of the experimental part 5 caused by random movement and shaking of the punch 317 is avoided.

The bracket nut 319 can support and limit the shaft shoulder on the punch 317, limit the falling-back limit position of the punch 317, and prevent the punch 317 from falling off and falling from the bracket 315.

In this embodiment, one end of the punch 317 close to the experimental part 5 is designed as a stepped shaft, a small shaft of the stepped shaft is matched with a small hole of the stepped through hole, and the small hole of the stepped through hole is used for limiting a large shaft of the stepped shaft, so that the limit position of the punch 317 moving upwards can be limited.

In this embodiment, a guide sleeve 314 is disposed between the bracket 315 and the upper prop 35, and a through hole installed in cooperation with the experimental part 5 is disposed in the guide sleeve 314.

The guide sleeve 314 is used for limiting and guiding the movement of the experimental part 5 and the punch 317, the movement precision of the experimental part 5 and the punch 317 is improved, the relative position precision of the punch 317 and the upper ejection column 35 is improved, and the experimental part 5 is prevented from loosening and falling.

Set up uide bushing 314 alone, can select for use the uide bushing 314 of different thickness sizes according to the experimental piece 5 of equidimension not, when guaranteeing that uide bushing 314 plays the effect, avoid uide bushing 314 to disturb the experiment and normally go on.

In this embodiment, a body nut 318 is coupled to an end of the instrument body 312 distal from the upper stem 35 for retaining the bracket 315. The body nut 318 is used to facilitate opening and closing of the interior space of the instrument body 312, thereby facilitating assembly, disassembly, cleaning, and the like.

Example 3:

on the basis of the above embodiments, in this embodiment, the instrument body 312 is provided with a limit pin 3121 at one end close to the body nut 318, the bracket 315 is provided with a bracket limit groove 3151 installed in cooperation with the limit pin 3121, the bracket 315 is slidably disposed in the instrument body 312, and the test base plate 31 is provided with a locking structure capable of locking the guide sleeve 314.

By slidably disposing the bracket 315 in the device main body 312, the height position of the bracket 315 can be adjusted adaptively when the punch 317 receives a pressure, and the stroke of the punch 317 can be shortened, thereby shortening the length of the punch 317 and enhancing the rigidity of the punch 317. Utilize the cooperation of spacer pin 3121 and spacing groove 3151 to use, can play direction, spacing effect to bracket 315, the rotational degree of freedom of restriction bracket 315 improves the removal precision of bracket 315, avoids the rotation of bracket 315 to lead to experimental piece 5 to produce and rock and influence experimental piece 5's position accuracy and stability.

Utilize locking structure to lock uide bushing 314, be favorable to improving uide bushing 314 and the relative position precision of punching pin 317, make punching pin 317 pass uide bushing 314 smoothly with exerting pressure to experimental part 5 to improve the stability of uide bushing 314, avoid uide bushing 314 not hard up and influence the experiment precision.

In this embodiment, the locking structure includes a separator cup 313 sleeved outside the instrument body 312, a supporting rod support 310 disposed on the testing base plate 31, and a supporting rod 37 hinged to the supporting rod support 310, a long through hole 3131 axially disposed along the separator cup 313 is disposed on a side surface of the separator cup 313, a rotating shaft 320 hinged to the supporting rod 37 is slidably disposed in the long through hole 3131, an L-shaped separator hook 324 fastened to an upper surface of the guide sleeve 314 is disposed in the instrument body 312, and the separator hook 324 is hinged to the rotating shaft 320.

Pushing the end of rod 37 away from the body 312 moves the end of rod 37 near the body 312 downward, moving the separator hook 324 downward, and using the separator hook 324 to clasp the guide sleeve 314, thereby locking the guide sleeve 314. The elongated through hole 3131 allows a sufficient space for the movement of the rotation shaft 320.

In this embodiment, the end of the supporting rod 37 close to the instrument body 312 is a semi-ring shape, two long through holes 3131 and two rotating shafts 320 are symmetrically arranged on the separator cup 313, two ends of the semi-ring shaped supporting rod 37 are respectively hinged with one rotating shaft 320, and two separator hooks 324 are symmetrically arranged in the instrument body 312. Thereby, the guide sleeve 314 can be simultaneously fastened by the two separator hooks 324, and the locking effect on the guide sleeve 314 is enhanced.

A bearing 321 sleeved on the rotating shaft 320 is arranged between the rotating shaft 320 and the supporting rod 37. The friction and wear between the rotating shaft 320 and the strut 37 are reduced by the bearing 321.

In this embodiment, the outer surface of the instrument body 312 is sleeved with an instrument sleeve 311, and the instrument sleeve 311, the instrument body 312 and the separator cup 313 are combined to form a complete cylinder.

One end of the supporting rod 37, which is far away from the instrument body 312, is hinged with a transmission block 38, a supporting rod cylinder 39 in transmission connection with the transmission block 38 is arranged on the testing bottom plate 31 in a sliding manner, and the action of the supporting rod 37 is controlled through the action of a piston rod of the supporting rod cylinder 39.

In this embodiment, the testing bottom plate 31 is provided with an air cylinder chute 391 and an air cylinder slide block 392 slidably disposed in the air cylinder chute 391, the rod air cylinder 39 is connected to the air cylinder slide block 392, and the length direction of the air cylinder chute 391 is perpendicular to the rotation center of the rod 37 relative to the rod support 310.

In this embodiment, the instrument body 312 is provided with a push rod sleeve communicated with the instrument body 312, and the push rod 36 aligned with the opening of the instrument body 312 is slidably disposed in the push rod sleeve. After the experiment is finished, the experimental part 5 in the instrument body 312 can be ejected outwards by the ejector rod 36 to facilitate taking out the experimental part 5.

In this embodiment, a push rod spring sleeved on the push rod 36 is disposed in the push rod sleeve, and after the push rod 36 pushes the experimental part 5 to leave the instrument body 312, the push rod 36 is reset under the action of the push rod spring.

Example 4:

on the basis of the above embodiment, in the present embodiment, the striking support plate 41 is provided with the pendulum bracket 413, the pendulum bracket 413 is rotatably provided with the ratchet 47 with the ratchet teeth 471 and the sear 412 cooperating with the ratchet teeth 471, and the pendulum arm 48 is in transmission connection with the ratchet 47.

Through making pendulum arm 48 be connected with the ratchet 47 transmission, can realize that pendulum arm 48 and ratchet 47 rotate in step to utilize the cooperation of sear 412 and ratchet tooth 471 to realize locking pendulum arm 48's function, thereby be convenient for lock or release pendulum 49 as required.

In this embodiment, the ratchet wheel 47 is provided with scale marks, so that the rotation angle of the ratchet wheel 47 can be read, and the position of the pendulum bob 49 can be calculated conveniently.

In this embodiment, the ratchet wheel 47 and the pendulum arm 48 are mounted on the same shaft, so as to achieve the purpose of synchronous rotation.

As shown in fig. 7 and 8, in this embodiment, a sear shaft 415 having an axis parallel to an axis of the ratchet wheel 47 is provided on the pendulum support 413, the sear 412 is rotatably provided on the sear shaft 415, and the sear spring 416 connected between the sear 412 and the pendulum support 413 is fitted on the sear shaft 415.

The sear 412 and the ratchet wheel 47 can be controlled to be clamped or opened by rotating the sear 412, so that the ratchet wheel 47 can be conveniently controlled, and the sear 412 can be pre-stressed by the sear spring 416, so that the sear 412 can be conveniently reset.

In this embodiment, a pendulum support 413 is provided with a sear cylinder 411 in driving connection with a sear 412. Thereby facilitating the choke cylinder 411 to rotate the choke 412 around the choke shaft 415.

In this embodiment, the striking support plate 41 is rotatably provided with a shift lever 414, a free end of the shift lever 414 is in transmission connection with the pendulum arm 48, and a free end of the shift lever 414 is provided with a follower cam 417 in rolling connection with the pendulum arm 48.

By driving the lever 414 to rotate, the lever 414 can rotate the pendulum arm 48, thereby controlling the position of the pendulum 49. When the shift lever 414 rotates, the follower cam 417 is in rolling contact with the pendulum arm 48, thereby reducing resistance to movement and wear of the pendulum arm 48. The pendulum arm 48 is prevented from bending and deforming under force to affect the position accuracy of the pendulum 49.

In this embodiment, the striking support plate 41 is provided with a striking motor 42, and a speed reducer 43 is connected between the striking motor 42 and the shift lever 414. The striking motor 42 can thereby rotate the shift lever 414 via the reduction gear 43.

In this embodiment, the shift lever 414 is used to drive the pendulum arm 48 to rotate from the lowest position to the horizontal position, the ratchet wheel 47 is used to lock the pendulum arm 48, the striking motor 42 is used to drive the shift lever 414 to rotate to the lowest position, and after the ratchet wheel 47 is opened to release the pendulum 49, the shift lever 414 can be prevented from obstructing the downward rotation of the pendulum arm 48. The contracting brake cylinder 410 can be arranged on the beating support plate 41, the ratchet wheel 47 is locked by the contracting brake cylinder 410, the phenomenon that the connection between the ratchet wheel 47 and the iron stopper 412 is invalid under the action of the gravity of the pendulum bob 49 is avoided, and the safety performance is enhanced.

The pendulum support 413 is provided with the in-place sensor 46, when the pendulum arm 48 rotates to be in contact with the in-place sensor 46, the in-place sensor 46 generates the pendulum arm 48, the blocking iron 412 is used for locking the ratchet wheel 47 at the moment, and the beating motor 42 is controlled to rotate reversely to drive the shifting rod 414 to reset. The position sensor 46 is arranged to facilitate the detection of the position of the pendulum arm 48, so as to ensure that the impact force applied by the pendulum 49 to the striking rod 322 is the same during each striking, thereby ensuring the experimental accuracy.

In this embodiment, the two pendulum arms 48 are symmetrically disposed on two sides of the ratchet wheel 47, so as to improve the strength and stability of the pendulum arms 48, and thus improve the stability and position accuracy of the blasting hammer 49.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (10)

1. The utility model provides a hit and test structure based on energetic material friction sensitivity survey which characterized in that: the testing device comprises a testing instrument and a pendulum bob structure, wherein the testing instrument comprises an instrument body (312) with a through hole, an upper ejection column (35) arranged at one end of the through hole and a punch (317) which is arranged at the other end of the through hole in a sliding manner and can clamp an experimental part (5) with the upper ejection column (35), an opening communicated with the through hole is formed in the side surface of the instrument body (312), and a striking rod (322) aligned with the lower space of the upper ejection column (35) is arranged at the opening;

the pendulum structure include hit pillar (45), set up and hit supporting plate (41) of hitting on hitting pillar (45), rotate pendulum arm (48) that sets up on hitting supporting plate (41) and set up pendulum (49) at pendulum arm (48) free end, hit pole (322) and set up on the removal orbit of pendulum (49).

2. The impact test structure based on the friction sensitivity measurement of the energetic material as claimed in claim 1, wherein: still include test bottom plate (31), be provided with a plurality of test pillar (32) on test bottom plate (31), be provided with test roof (33) on test pillar (32), instrument body (312) install the lower surface at test roof (33) through ring flange (34), last top post (35) set up the lower surface at ring flange (34).

3. The impact test structure based on the determination of the friction sensitivity of the energetic material as claimed in claim 2, wherein: the instrument is characterized in that a bracket (315) is arranged in the instrument body (312), a stepped through hole with an upward small hole is arranged in the bracket (315), one end of a punch (317) is installed in a matching mode with the small hole of the stepped through hole, a large hole of the stepped through hole is connected with a bracket nut (319) through threads, one end of the punch (317) penetrates through the bracket nut (319), a shaft shoulder is arranged on the punch (317), and a spring (316) sleeved on the punch (317) is arranged in the large hole of the stepped through hole.

4. A hit test structure based on energetic material friction sensitivity measurement according to claim 3, wherein: the experimental device is characterized in that a guide sleeve (314) is arranged between the bracket (315) and the upper support pillar (35), a through hole matched with the experimental piece (5) is formed in the guide sleeve (314), and one end, far away from the upper support pillar (35), of the instrument body (312) is connected with a body nut (318) used for limiting the bracket (315).

5. The impact test structure based on the friction sensitivity measurement of the energetic material as claimed in claim 4, wherein: the instrument body (312) be close to the one end of body nut (318) and be provided with spacer pin (3121), bracket (315) on be provided with spacer pin (3121) cooperation installation bracket spacing groove (3151), bracket (315) slide and set up in instrument body (312), be provided with the locking structure that can uide bushing (314) on test bottom plate (31).

6. The impact test structure based on the friction sensitivity measurement of the energetic material as claimed in claim 5, wherein: the locking structure comprises a separator cup (313) sleeved outside an instrument body (312), a support rod support (310) arranged on a test base plate (31), and a support rod (37) hinged with the support rod support (310), wherein a long-strip through hole (3131) axially arranged along the separator cup (313) is arranged on the side surface of the separator cup (313), a rotating shaft (320) hinged with the support rod (37) is arranged in the long-strip through hole (3131) in a sliding mode, an L-shaped separator hook (324) buckled on the upper surface of a guide sleeve (314) is arranged in the instrument body (312), and the separator hook (324) is hinged with the rotating shaft (320).

7. The impact test structure based on the determination of the friction sensitivity of the energetic material as claimed in claim 6, wherein: one end of the strut (37) close to the instrument body (312) is semi-annular, two long-strip through holes (3131) and two rotating shafts (320) are symmetrically arranged on the separator cup (313), two ends of the semi-annular strut (37) are hinged to one rotating shaft (320) respectively, and two separator hooks (324) are symmetrically arranged in the instrument body (312).

8. The impact test structure based on the determination of the friction sensitivity of the energetic material as claimed in claim 7, wherein: a transmission block (38) is hinged to one end, far away from the instrument body (312), of the supporting rod (37), a supporting rod cylinder (39) in transmission connection with the transmission block (38) is arranged on the testing bottom plate (31) in a sliding mode, and the motion of the supporting rod (37) is controlled through the motion of a piston rod of the supporting rod cylinder (39);

the testing bottom plate (31) is provided with an air cylinder sliding groove (391) and an air cylinder sliding block (392) which is arranged in the air cylinder sliding groove (391) in a sliding mode, the supporting rod air cylinder (39) is connected with the air cylinder sliding block (392), and the length direction of the air cylinder sliding groove (391) is perpendicular to the rotating center of the supporting rod (37) relative to the supporting rod support (310).

9. The impact test structure based on energetic material friction sensitivity measurement according to any one of claims 1-8, characterized by: a pendulum support (413) is arranged on the beating support plate (41), a ratchet wheel (47) with ratchet teeth (471) and a stop iron (412) matched with the ratchet teeth (471) are rotatably arranged on the pendulum support (413), and a pendulum arm (48) is in transmission connection with the ratchet wheel (47); a choke iron shaft (415) with the axis parallel to the axis of the ratchet wheel (47) is arranged on the pendulum bracket (413), the choke iron (412) is rotatably arranged on the choke iron shaft (415), and a choke iron spring (416) connected between the choke iron (412) and the pendulum bracket (413) is sleeved on the choke iron shaft (415); a choke cylinder (411) in transmission connection with the choke (412) is arranged on the pendulum bracket (413).

10. The structure for testing the impact based on the friction sensitivity measurement of the energetic material as claimed in claim 9, wherein: the beating support plate (41) is rotatably provided with a deflector rod (414), the free end of the deflector rod (414) is in transmission connection with the pendulum arm (48), and the free end of the deflector rod (414) is provided with a follow-up cam (417) in rolling connection with the pendulum arm (48); the beating support plate (41) is provided with a beating motor (42), and a speed reducer (43) is connected between the beating motor (42) and the shifting rod (414).

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