CN209673521U - A kind of high speed impact friction spark experimental rig - Google Patents
A kind of high speed impact friction spark experimental rig Download PDFInfo
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- CN209673521U CN209673521U CN201920432621.5U CN201920432621U CN209673521U CN 209673521 U CN209673521 U CN 209673521U CN 201920432621 U CN201920432621 U CN 201920432621U CN 209673521 U CN209673521 U CN 209673521U
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- 238000012360 testing method Methods 0.000 claims abstract description 93
- 238000009527 percussion Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 21
- 239000011324 bead Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 210000001364 upper extremity Anatomy 0.000 claims description 10
- 230000004807 localization Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 6
- 239000002360 explosive Substances 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 238000004880 explosion Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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Abstract
The utility model, which belongs to, carries out explosion-proof performance detection test field, specifically a kind of high speed impact friction spark experimental rig to metal material used in coal production.Including bullet percussion lock and test tank, the bullet percussion lock includes rack, is supported horizontally on the gun barrel of rack upper surface, the high pressure tank positioned at linear bearing rear, is supported in rack upper surface and is located at the electric pushrod at high pressure tank rear；The test tank includes tank body and cover, all positioning boom ends above cover are both secured on positioning plate, along tank body center line through having threaded rod, threaded rod bottom to be fixedly connected after stretching out positioning plate with cover center, positioning plate upper surface is equipped with cover mobile mechanism at the positioning plate center.High speed impact friction spark experimental rig described in the utility model, it is high-efficient and at low cost, the impact friction that generates to high speed impact breadboard of test bullet can be observed, and whether the spark for observing generation can ignite explosive gas.
Description
Technical field
The utility model, which belongs to, carries out explosion-proof performance detection test field, tool to metal material used in coal production
Body is a kind of high speed impact friction spark experimental rig.
Background technique
During coal production, device therefor, instrument, instrument be often subject to external force collision, friction and generate high warm trace
With high temperature spark.Under certain condition, Gao Wenre trace and high temperature spark can cause coal mine gas and dust explosion accident.Therefore it rubs
Wiping spark is to cause one of potential incendiary source of coal mine gas from explosion.The chemical property of metal material itself is main influence friction fire
Flower is ignited one of factor, and the rate of igniting of the alloy material especially containing elements such as Mg, Sr is higher.Therefore coal mine metal material is necessary
The metal that limitation or limitation use chemical property more active.Under the premise of test constitutes consistent with alloy material, pass through reality
Testing research has shown that shock height, angle of attack, the weight of alluvium and environmental condition all have an impact to friction spark situation of igniting.
Impact friction spark test apparatus is mainly the impeller and shell, light-alloy for testing the equipment such as some mine fans
Whether the generated spark after rubbing such as light metal shell of hoisting container and instrument can ignite explosive gas.
Its course of work is to manufacture the metal material of equipment under test at test bullet and high speed impact breadboard by regulation,
By projectile transmitting device, make to test bullet by equal or close to the maximum value shock that may be caused danger under actual working conditions
High speed impact breadboard with the dangerous angle for most easily producing friction spark, to simulate tested metal under high speed impact operating condition
The process that material friction spark generates.Bullet and baffle is made in the metal of pairing in test, by making bullet in certain speed
Impact friction is generated to the baffle that is placed in explosive gas under degree, whether the spark for observing generation can ignite explosive gas.
But at present and have no bullet percussion lock and high-speed friction spark-testing about high-speed friction spark-testing
The report of dedicated anti-explosion tank.Even common anti-explosion tank, there is also many problems:
1. the folding of cover is inconvenient, time-consuming longer.
2. cover need to be periodically adjusted, low efficiency is at high cost.
Common explosion-proof tank cover is formed by band tooth clip and with increment lid, after end cap and groove body fastening, rotation clip lock
Tightly, the rotation of clip is driven using hydraulic cylinder or air pressure.After long-term use, the flexibility meeting of the alignment and rotation of clip
There is larger impact, it is therefore desirable to periodically be adjusted to clip position.
3. can not be adjusted to the inclination angle of test board.
Utility model content
The utility model lacks the related record of high-speed friction spark test apparatus in order to make up in the prior art, provides
A kind of high speed impact friction spark experimental rig.
The utility model is achieved through the following technical solutions: a kind of high speed impact friction spark experimental rig, including
Bullet percussion lock and test tank,
The bullet percussion lock includes rack, is supported horizontally on the gun barrel of rack upper surface, is supported in rack upper surface
And it is located at the linear bearing at gun barrel rear, the high pressure tank positioned at linear bearing rear is supported in rack upper surface and is located at
The electric pushrod at high pressure tank rear,
Horizontal on the high pressure tank to be equipped with the butt tube being connected with high pressure tank, the butt tube penetrates straight line
It is interference fitted in bearing and with the inner ring of linear bearing, spring has been threadedly engaged on the gun barrel opposite with butt tube and has adjusted spiral shell
Mother, the gun barrel upper ring cap close to spring adjusting nut one end of butt tube has reset spring, on the gun barrel outside reset spring
Clearance fit has to female connector, is equipped with and the position-stopping plate to female connector limit cooperation positioned to the gun barrel end fixed ring outside female connector；
It is circumferentially at least provided with a through-hole close to the gun barrel tip inside of butt tube, it is opposite with through-hole to being provided in female connector
The blind hole of locking spring can be accommodated, one end of the locking spring is fixed in blind hole, the other end is connected with compression bead, and compression bead protrudes into
In through-hole and gun barrel inner wall is stretched out, the test bullet with gun barrel inner wall in clearance fit is equipped in the gun barrel outside compression bead,
The head of the compression bead and test bullet of stretching out gun barrel inner wall, which limits, to be cooperated, horizontal solid in the high pressure tank opposite with test bullet
Equipped with push rod, push rod is protruded into butt tube, and butt tube docks the free end of rear push-rod with to female connector can push test bullet
It is detached from the limit of compression bead；
The loading line being connected with high pressure tank is connected on the high pressure tank, loading line one end is connected to
On air compressor, electric-air valve is installed on the loading line, the pushed section of the electric pushrod can push high-pressure gas
Tank docks butt tube with to female connector；
The test tank includes tank body and cover, and the tank skin upper limb of the tank body is with tank body centerline parallel equipped at least
Three locating rods, every locating rod runs through cover and between cover in clearance fit, all fixed above cover
Position boom end is both secured on positioning plate, and along tank body center line through there is threaded rod, threaded rod bottom is stretched at the positioning plate center
It is fixedly connected after positioning plate with cover center out, positioning plate upper surface is equipped with cover mobile mechanism, the cover mobile mechanism packet
Include motor, the master bevel gear that is coaxially installed on motor output shaft, be meshed with master bevel gear from bevel gear, it is described from cone tooth
The inner circle of wheel is threadedly engaged with threaded rod；
Tank body can body surface is equipped with motor-driven valve, the examination that the valve of motor-driven valve docks with the muzzle of gun barrel and allows to hit
It tests bullet and penetrates tank interior, tank body can body surface is equipped with the servo motor with absolute value encoder, servo motor
Retarder is coaxially installed on output shaft, the output end of retarder protrudes into tank interior and is coaxially provided with guide rod, is oriented to bar side
Face is provided with guide groove along axial direction, the test frame that the free end loop of guide rod has surface to be equipped with high speed impact breadboard, with
The opposite tank interior of guide rod is fixed with screw thread guide rod, and screw thread guiding boom end protrudes into test frame and and test block
Frame is threadedly coupled, and the stop block with guide groove sliding cooperation, the high-speed punching are installed in the test frame opposite with guide groove
It is opposite with the valve of motor-driven valve to hit breadboard, the tank body is equipped with observation window.
As the further improvement of technical solutions of the utility model, the tail portion of the test bullet is provided with and pushes away along center line
Bar pushes the locating slot of cooperation, and the free end of the push rod is determined integrally formed with the localization handspike with locating slot clearance fit
Position push rod end and locating slot slot bottom, which push, to be cooperated.
As the further improvement of technical solutions of the utility model, in docking inside pipe wall to female connector end loops to one
Body formed to have positioning ring, the positioning ring outer circle is circumferentially provided with the annular groove for accommodating the first O-ring, first O-ring
Inside pipe wall sealing cooperation is docked to female connector end with butting up against in circumferential outside.
As the further improvement of technical solutions of the utility model, the circumferential direction inside to female connector is provided with receiving second
The annular groove of O-ring, circumferential inside and the sealing of gun barrel outer wall of second O-ring cooperate.
Inflation as the further improvement of technical solutions of the utility model, between the electric-air valve and air compressor
Pneumatic transmitter is installed, front and back is separately installed with photoelectric velocity measurement sensing along its length on the gun barrel of transmitting terminal on pipeline
Device.
As the further improvement of technical solutions of the utility model, tank body inner edge on the inside of all locating rods be equipped with
The O-ring of cover lower surface sealing cooperation.
As the further improvement of technical solutions of the utility model, the tank body is equipped with safety valve.
As the further improvement of technical solutions of the utility model, the tank body is equipped with stirring motor, stirs electricity consumption
The output shaft of machine protrudes into tank body and output shaft end is equipped with stirring blades.
As the further improvement of technical solutions of the utility model, the tank body upper limb on the outside of all locating rods is equipped with
The next displacement sensor of at least one detection cover, the cover outer rim on the outside of all locating rods are equipped at least one detection positioning
The signal output end of the upper displacement sensor of plate, the next displacement sensor and upper displacement sensor is connected in control unit, control
Driving signal is sent to driver by unit, and the driver drives electric motor starting or closing after receiving driving signal.
As the further improvement of technical solutions of the utility model, the tank body upper limb extends outward to form outer circular edge,
Corresponding in outer circular edge and cover outer rim to be provided with several connecting holes, outer circular edge and cover outer rim are by penetrating connecting hole
Bolt and nut component is fixed together.
High speed impact friction spark experimental rig described in the utility model, wherein bullet percussion lock compensate for the prior art
The middle defect for lacking shortage bullet percussion lock in high-speed friction spark-testing may be implemented using high pressure gas as the energy
Controling and monitoring for percussion speed, meets the demand of impact friction spark test apparatus, can pass through the pressure of adjusting high pressure gas
The speed of power Adjustment Tests bullet, meets test demand.The explosion-proof test tank is for the examination of high speed impact friction spark
The dedicated anti-explosion tank tested and designed, opening and closing solve the problems, such as that existing cover open-close is inconvenient and time-consuming longer by motor control,
The monitoring, the displacement of high speed impact breadboard and the adjustment at inclination angle for realizing test front and back tank interior gas concentration, without to tank
Lid is timed adjustment, high-efficient and at low cost, can observe the impact friction that test bullet generates high speed impact breadboard,
And whether the spark for observing generation can ignite explosive gas.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of high speed impact friction spark experimental rig described in the utility model, in figure butt tube with
Female connector has been docked.
The structural schematic diagram of Fig. 2 test frame.
Fig. 3 be the utility model in butt tube with female connector is docked before structural schematic diagram.
Fig. 4 is the partial longitudinal section of Fig. 1.
Fig. 5 is the partial enlarged view of Fig. 4.
In figure: 1- rack, 2- gun barrel, 3- linear bearing, 4- high pressure tank, 5- electric pushrod, 6- butt tube, 7- spring
Adjusting nut, 8- reset spring, 9- test bullet to female connector, 10- position-stopping plate, 11- locking spring, 12- compression bead, 13-, and 14- is pushed away
Bar, 15- loading line, 16- air compressor, 17- electric-air valve, 18- locating slot, 19- localization handspike, 20- photoelectric velocity measurement pass
Sensor, 21- positioning ring, the first O-ring of 22-, the second O-ring of 23-, 24- middle part, 25- pneumatic transmitter, 26- tank body, 27-
Cover, 28- locating rod, 29- positioning plate, 30- threaded rod, 31- motor, 32- motor-driven valve, 33- absolute value encoder, 34- servo
Motor, 35- screw thread guide rod, 36- test frame, 37- guide rod, 38- observation window, 39- shell, 40- safety valve, 41- stirring
With motor, the bottom 42- displacement sensor, the upper displacement sensor of 43-, 44- high speed impact breadboard, 45- guide groove, 46- stop block.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The technical solution of the utility model is described in detail with reference to the accompanying drawing.
A kind of high speed impact friction spark experimental rig, including bullet percussion lock and test tank,
The bullet percussion lock includes rack 1, is supported horizontally on the gun barrel 2 of 1 upper surface of rack, is supported in rack 1
Surface and the linear bearing 3 for being located at 2 rear of gun barrel, the high pressure tank 4 positioned at 3 rear of linear bearing are supported in table in rack 1
Face and the electric pushrod 5 for being located at 4 rear of high pressure tank,
Horizontal on the high pressure tank 4 to be equipped with the butt tube 6 being connected with high pressure tank 4, the butt tube 6 penetrates
It is interference fitted in linear bearing 3 and with the inner ring of linear bearing 3, has been threadedly engaged spring on the gun barrel 2 opposite with butt tube 6
Adjusting nut 7,2 upper ring cap of gun barrel close to 7 one end of spring adjusting nut of butt tube 6 have reset spring 8, are located at reset spring
There is to female connector 9 clearance fit on gun barrel 2 outside 8, limit positioned at being equipped with to the 2 end fixed ring of gun barrel outside female connector 9 with to female connector 9
The position-stopping plate 10 of cooperation；
2 tip inside of gun barrel close to butt tube 6 is circumferentially at least provided with a through-hole, opposite with through-hole in female connector 9
It is provided with the blind hole that can accommodate locking spring 11, one end of the locking spring 11 is fixed in blind hole, the other end is connected with compression bead
12, compression bead 12 protrudes into through-hole and stretches out 2 inner wall of gun barrel, between being equipped in the gun barrel 2 outside compression bead 12 with 2 inner wall of gun barrel and being in
The test bullet 13 of gap cooperation, the head of the compression bead 12 and test bullet 13 of stretching out 2 inner wall of gun barrel, which limits, to be cooperated, with test bullet
Level is installed with push rod 14 in 13 opposite high pressure tanks 4, and push rod 14 protrudes into butt tube 6, and butt tube 6 with to female connector 9
The free end of docking rear push-rod 14 can push the limit of the test disengaging compression bead 12 of bullet 13；
The loading line 15 being connected with high pressure tank 4,15 one end of loading line are connected on the high pressure tank 4
It is connected on air compressor 16, electric-air valve 17 is installed, the pushed section of the electric pushrod 5 can on the loading line 15
High pressure tank 4 is pushed to dock butt tube 6 with to female connector 9；
The test tank includes tank body 26 and cover 27, tank skin upper limb and 26 centerline parallel of tank body of the tank body 26
Equipped at least three locating rods 28, every locating rod 28 runs through cover 27 and is in clearance fit between cover 27, is located at
28 end of all locating rods of 27 top of cover is both secured on positioning plate 29, and 29 center of positioning plate is along 26 center line of tank body
Through there is threaded rod 30, it is fixedly connected after 30 bottom of threaded rod stretching positioning plate 29 with 27 center of cover, 29 upper surface of positioning plate
Equipped with cover mobile mechanism, the cover mobile mechanism includes motor 31, the main cone tooth that is coaxially installed on 31 output shaft of motor
Wheel, be meshed with master bevel gear from bevel gear, the inner circle from bevel gear is threadedly engaged with threaded rod 30；
The 26 can body surface of tank body is equipped with motor-driven valve 32, and the valve of motor-driven valve 32 docks and allows with the muzzle of gun barrel 2
The test bullet 13 hit penetrates inside tank body 26, and the 26 can body surface of tank body is equipped with the servo with absolute value encoder 33
Motor 34, is coaxially installed with retarder on the output shaft of servo motor 34, and the output end of retarder protrudes into 26 inside of tank body and same
Axis is equipped with guide rod 37, and 37 side of guide rod is provided with guide groove 45 along axial direction, and the free end loop of guide rod 37 has surface installation
There is the test frame 36 of high speed impact breadboard 44, be fixed with screw thread guide rod 35 inside the tank body 26 opposite with guide rod 37,
35 end of screw thread guide rod is protruded into test frame 36 and is threadedly coupled with test frame 36, the test opposite with guide groove 45
The stop block 46 with the sliding cooperation of guide groove 45, the valve of the high speed impact breadboard 44 and motor-driven valve 32 are installed in frame 36
Door is opposite, and the tank body 26 is equipped with observation window 38.
In use, installing high speed impact breadboard 44 in 36 one or both sides of test frame, motor 31 rotates forward and drives master
Bevel gear rotation, and then drive from bevel gear and rotate, threaded rod 30 is run down, and cover 27 is pushed to transport downwards along locating rod 28
Row, until closing motor 31 after fastening with the sealing of tank body 26.Servo motor 34 is driven guiding by the control of absolute value encoder 33
Bar 37 rotates, due to the position-limiting action between stop block 46 and guide groove 45, so the guide rod 37 of rotation drives test frame
36 rotations, realize the purpose of 36 tilt angle of test frame control；In addition, due to screw thread guide rod 35 and test frame 36 it
Between threaded connection relation, the test frame 36 of rotation is further rotatably assorted with screw thread guide rod 35, so that the test of rotation
Threadingly 35 transverse shifting of guide rod of frame 36.The folding of the valve of the electric operator control motor-driven valve 32 of motor-driven valve 32.
Test bullet 13 is placed in gun barrel 2, due to the position-limiting action of compression bead 12, so that butt tube 6 is being docked with to female connector 9
Preceding test bullet 13 will not slide in gun barrel 2.Before docking, starts air compressor 16, be full of high pressure gas in loading line 15
Body starts electric pushrod 5, and the pushed section of electric pushrod 5 pushes high pressure tank 4 to move, guiding of the butt tube 6 in linear bearing 3
Under, butt tube 6 is connected to each other with to female connector 9, due to female connector 9 in cross to being in clearance fit between female connector 9 and gun barrel 2
Small size displacement (displacement range is between 0.5-1cm) occurs upwards, reset spring 8 is compressed at this time so as to female connector 9 with it is right
6 closed butt joint of adapter tube is realized closed, and push rod 14 pushes test bullet 13, test bullet 13 and 12 compression fit of compression bead and into one
Step compresses locking spring 11, so that test bullet 13 further diverges from the limit of compression bead 12, test bullet 13 is moved, this
Shi Kaiqi electric-air valve 17, the high pressure gas in loading line 15 quickly fill with high pressure tank 4, and further by pushing away
Space between bar 14 and butt tube 6 enters test 13 rear of bullet, and the test bullet 13 of movement is pushed quickly to pass through gun barrel
2, finally hit out of gun barrel 2.When test bullet 13 is impacted by instruction along predetermined direction in gun barrel 2, motor-driven valve 32
Valve open simultaneously, test bullet 13 can be can smoothly enter into occur to impact with high speed impact breadboard 44 in tank body 26 and rub
It wipes, simultaneously closes off the valve of motor-driven valve 32, can be observed by observation window 38 and test spark feelings caused by bullet 13 in tank body 26
Condition.
After test bullet 13 completes impact in tank body 26, air compressor 16 and electric-air valve 17 are closed, it is electronic to push away
The pushed section of bar 5 moves forwards, and butt tube 6 and separates female connector 9 and restore to original state under the guiding of linear bearing 3, multiple
Position spring 8, which pushes, restores to position-stopping plate 10 female connector 9.And the reversion of motor 31 and drive master bevel gear rotation, and then drive
It is rotated from bevel gear, threaded rod 30 is run up, and is driven cover 27 to run up along locating rod 28, can be opened cover 27.Tool
Whether body can draw in this way convenient for spark caused by observing in application, have air inlet and air outlet on the tank body 26
Fire explosive gas.When it is implemented, the tensioning state of the reset spring 8 can pass through the elastic of adjustment spring adjusting nut 7
Degree adjusts.
In the present invention, the observation window 38 is preferably located at 26 medium position of tank body, in this way convenient for more fully
Situation of the observation test bullet 13 in tank body 26.Observation window 38 shown in FIG. 1 and the screw thread guide rod 35 on test frame 36
Or guide rod 37 is opposite, is not meant to that observation window 38 described in the utility model is located in this position, in practice to screw thread is led
Installation to bar 35 or guide rod 37, observation window 38 should avoid the installation site of other component on tank body 26.It is practical new at this
In type, the quantity of the compression bead 12 is preferably three, and is evenly distributed in gun barrel 2.As shown in Figure 1, the cover moves
Motivation structure further includes shell 39, and the output shaft of the motor 31, master bevel gear are respectively positioned in shell 39 from bevel gear, and shell
39 bottoms are fixed on positioning plate 29.
Specifically, in order to push the accurate positionin of 14 pairs of push rod test bullets 13, the tail of the test bullet 13
Portion is provided with the locating slot 18 that cooperation is pushed with push rod 14 along center line, the free end of the push rod 14 integrally formed with locating slot
The localization handspike 19 of 18 clearance fits, and 19 end of localization handspike and 18 slot bottom of locating slot push and cooperate.
As shown in figure 5, the head of the test bullet 13 is hemisphere, ball is as equal and integrated with hemisphere diameter
Molding cylinder.Hemispheroidal head is convenient for the percussion of test bullet 13, and the ball body of cylinder is convenient for the promotion expeimental cartridge of push rod 14
Ball 13.
Specifically, making full use of the pressure of high pressure gas in order to preferably realize butt tube 6 and to closed between female connector 9
Power, in 6 inner wall of butt tube to 9 end circumferential direction of female connector integrally formed with positioning ring 21,21 outer circle of positioning ring is along circle
Zhou Kaiyou accommodates the annular groove of the first O-ring 22, the circumferential outside of first O-ring 22 with butt up against to 9 end of female connector
The sealing cooperation of 6 inner wall of butt tube.
The utility model further provides a kind of specific embodiment of position-stopping plate 10, as shown in figure 5, the i.e. described stop bit
10 section of plate is stepped, and the inner circle clearance fit of the plane of structure of the first stepped part and positioning ring 21, the vertical face of second step ladder
Cooperate with the end stop bit of positioning ring 21.
Further, in order to preferably realize that closed between female connector 9 and gun barrel 2, the inside to female connector 9 is along circle
Zhou Kaiyou accommodates the annular groove of the second O-ring 23, and circumferential inside and the sealing of 2 outer wall of gun barrel of second O-ring 23 cooperate.
Preferably, pneumatic transmitter is installed on the loading line 15 between the electric-air valve 17 and air compressor 16
25, front and back is separately installed with photoelectric measure speeding sensor 20 along its length on the gun barrel 2 of transmitting terminal.It is passed using photoelectric velocity measurement
Sensor 20 is combined with pneumatic transmitter 25, can be in order to the institute in the case where test initial stage obtains different high-pressure gas pressures by test
The impact velocity of corresponding test bullet 13.When specifically used, when pneumatic transmitter 25 detects the high pressure in loading line 15
After gas pressure reaches predetermined value, control electric-air valve 17 is opened, so that the percussion speed of test bullet 13 reaches pre-set velocity.
Preferably, in order to avoid the pushed section of electric pushrod 5 causes to damage when pushing to high pressure tank 4, the high pressure
Air accumulator 4 is equipped with middle part 24, and the pushed section of the electric pushrod 5 and middle part 24, which push, to be cooperated.This 24 structure of middle part can
With as shown in Figure 3 including being supported in the support rod on high pressure tank 4 and the support plate on support rod, this is practical certainly
It is novel to be not limited only to structure shown on figure.
In order to reinforce the sealing of cover 27 Yu tank body 26,26 inner edge of tank body on the inside of all locating rods 28 is equipped with and tank
The O-ring of 27 lower surface of lid sealing cooperation.
When specifically used, the center line of the screw thread guide rod 35 and guide rod 37 is located along the same line, motor-driven valve 32
Valve center line it is perpendicular with the straight line and be in the same plane.It is tried in this way convenient for the test bullet and high speed impact of impact
It tests plate 44 and impact friction occurs.
Specifically, the tank body 26 is equipped with safety valve 40.
Further, the tank body 26 is equipped with stirring motor 41, and stirring protrudes into tank body 26 with the output shaft of motor 41
Interior and output shaft end is equipped with stirring blades.Stirring motor 41 drives stirring blades rotation, may be implemented mixed in tank body 26
The quick mixing for closing gas, reaches scheduled gas mixing ratio.
As shown in Figure 1,26 upper limb of tank body for being located at all 28 outsides of locating rod is equipped under at least one detection cover 27
Displacement sensor 42,27 outer rim of cover positioned at all 28 outsides of locating rod are equipped with the upper displacement of an at least detection positioning plate 29
The signal output end of sensor 43, the next displacement sensor 42 and upper displacement sensor 43 is connected in control unit, control unit
Driving signal is sent to driver, the driver receives the starting of driving motor 31 or closing after driving signal.It runs down
The operation of cover 27 to behind predetermined position, displacement signal is input to control unit by the next displacement sensor 42, and control unit will drive
Dynamic signal is sent to driver, and driving motor 31 stops rotating forward after driver receives driving signal, can be to avoid cover 27 and tank
The excessively closed pair cover 27 of body 26 or 26 upper limb of tank body cause to damage, deform, naturally it is also possible to avoid the damage to O-ring
Wound.After the operation to predetermined position of cover 27 run up, displacement signal is input to control unit by upper displacement sensor 43, control
Driving signal is sent to driver by unit processed, and driving motor 31 stops reversion after driver receives driving signal, in this way can be with
Cover 27 is avoided to rise too high so that cover 27 and positioning plate 29 are caused to damage or be deformed.
Preferably, in order to avoid the test impact of bullet 13 generates in spark initiation tank body 26 after mixed gas, explosion is generated
Impact air cover 27 is opened, 26 upper limb of tank body extends outward to form outer circular edge, outer circular edge and cover 27
Corresponding in outer rim to be provided with several connecting holes, outer circular edge is solid by the bolt and nut component for penetrating connecting hole with 27 outer rim of cover
Surely it links together.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of high speed impact friction spark experimental rig, which is characterized in that including bullet percussion lock and test tank,
The bullet percussion lock includes rack (1), is supported horizontally on the gun barrel (2) of rack (1) upper surface, is supported in rack
(1) upper surface and the linear bearing (3) positioned at gun barrel (2) rear are located at the high pressure tank (4) at linear bearing (3) rear, branch
The electric pushrod (5) at high pressure tank (4) rear is supportted in rack (1) upper surface and is located at,
It is horizontal on the high pressure tank (4) to be equipped with the butt tube (6) being connected with high pressure tank (4), the butt tube (6)
It penetrates in linear bearing (3) and is interference fitted with the inner ring of linear bearing (3), spiral shell on the gun barrel (2) opposite with butt tube (6)
Line is combined with spring adjusting nut (7), and gun barrel (2) upper ring cap close to spring adjusting nut (7) one end of butt tube (6) has multiple
Position spring (8), being located at clearance fit on the gun barrel (2) of reset spring (8) outside has to female connector (9), is located at the rifle to female connector (9) outside
(2) end fixed ring is managed to be equipped with and the position-stopping plate (10) to female connector (9) limit cooperation；
Gun barrel (2) tip inside close to butt tube (6) is circumferentially at least provided with a through-hole, opposite with through-hole to female connector (9)
It is inside provided with the blind hole that can accommodate locking spring (11), one end of the locking spring (11) is fixed in blind hole, the other end connects
Have compression bead (12), compression bead (12) protrudes into through-hole and stretch out gun barrel (2) inner wall, is located in the gun barrel (2) of compression bead (12) outside and sets
There is the test bullet (13) with gun barrel (2) inner wall in clearance fit, stretches out the compression bead (12) and test bullet of gun barrel (2) inner wall
(13) head limits cooperation, and opposite high pressure tank (4) interior level is installed with push rod (14), push rod with test bullet (13)
(14) it protrudes into butt tube (6), and butt tube (6) can push test with the free end for docking rear push-rod (14) to female connector (9)
Bullet (13) is detached from the limit of compression bead (12)；
The loading line (15) being connected with high pressure tank (4), loading line (15) are connected on the high pressure tank (4)
One end is connected on air compressor (16), is equipped with electric-air valve (17), the electric pushrod on the loading line (15)
(5) pushed section can push high pressure tank (4) to dock butt tube (6) with to female connector (9)；
The test tank includes tank body (26) and cover (27), and the tank skin upper limb and tank body (26) center line of the tank body (26) are flat
Capable is equipped at least three locating rods (28), and every locating rod (28) is through cover (27) and between being between cover (27)
Gap cooperation is located at all locating rods (28) end above cover (27) and is both secured on positioning plate (29), the positioning plate
(29) along tank body (26) center line through having threaded rod (30), positioning plate (29) are stretched out afterwards and cover in threaded rod (30) bottom at center
(27) center is fixedly connected, and positioning plate (29) upper surface is equipped with cover mobile mechanism, and the cover mobile mechanism includes motor
(31), the master bevel gear that is coaxially installed on motor (31) output shaft, be meshed with master bevel gear from bevel gear, it is described from cone
The inner circle of gear is threadedly engaged with threaded rod (30)；
Tank body (26) the can body surface be equipped with motor-driven valve (32), the valve of motor-driven valve (32) docked with the muzzle of gun barrel (2) and
The test bullet (13) for allowing to hit penetrates tank body (26) inside, and tank body (26) the can body surface, which is equipped with, has absolute encoder
The servo motor (34) of device (33) is coaxially installed with retarder on the output shaft of servo motor (34), and the output end of retarder is stretched
Enter tank body (26) inside and be coaxially provided with guide rod (37), guide rod (37) side is provided with guide groove (45), guide rod along axial direction
(37) test frame (36) that free end loop has surface to be equipped with high speed impact breadboard (44) is opposite with guide rod (37)
Tank body (26) inside be fixed with screw thread guide rod (35), screw thread guide rod (35) end protrude into test frame (36) and with
Test frame (36) is threadedly coupled, and is installed in the test frame (36) opposite with guide groove (45) and is matched with guide groove (45) sliding
The stop block (46) of conjunction, the high speed impact breadboard (44) is opposite with the valve of motor-driven valve (32), sets on the tank body (26)
There are observation window (38).
2. a kind of high speed impact friction spark experimental rig according to claim 1, which is characterized in that the test bullet
(13) tail portion is provided with the locating slot (18) that cooperation is pushed with push rod (14), the free end one of the push rod (14) along center line
Form with the localization handspike (19) of locating slot (18) clearance fit, and localization handspike (19) end is pushed away with locating slot (18) slot bottom
Dynamic cooperation.
3. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that be located at docking
Manage (6) inner wall in female connector (9) end circumferential direction integrally formed with positioning ring (21), positioning ring (21) outer circle is circumferentially opened
Have an annular groove for accommodating the first O-ring (22), the circumferential outside of first O-ring (22) with butt up against to female connector (9) end
Butt tube (6) inner wall seal cooperation.
4. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that the docking
The circumferential direction inside of set (9) is provided with the annular groove for accommodating the second O-ring (23), the circumferential inside of second O-ring (23) with
The sealing cooperation of gun barrel (2) outer wall.
5. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that described electronic
Pneumatic transmitter (25) are installed on loading line (15) between air valve (17) and air compressor (16), positioned at transmitting terminal
Front and back is separately installed with photoelectric measure speeding sensor (20) along its length on gun barrel (2).
6. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that be located at all
Tank body (26) inner edge on the inside of locating rod (28) is equipped with the O-ring with the sealing cooperation of cover (27) lower surface.
7. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that the tank body
(26) safety valve (40) are equipped with.
8. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that the tank body
(26) it is equipped with stirring with motor (41), stirring protrudes into that tank body (26) is interior and output shaft end is equipped with the output shaft of motor (41)
Stirring blades.
9. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that be located at all
Tank body (26) upper limb on the outside of locating rod (28) is equipped with the next displacement sensor (42) of at least one detection cover (27), is located at institute
There is cover (27) outer rim on the outside of locating rod (28) that the upper displacement sensor (43) of an at least detection positioning plate (29) is installed, under
The signal output end of displacement sensor (42) and upper displacement sensor (43) is connected in control unit, and control unit believes driving
Number it is sent to driver, the driver receives driving motor (31) starting after driving signal or closes.
10. a kind of high speed impact friction spark experimental rig according to claim 1 or 2, which is characterized in that the tank body
(26) upper limb extends outward to form outer circular edge, corresponding in outer circular edge and cover (27) outer rim to be provided with several connecting holes,
Outer circular edge is fixed together with cover (27) outer rim by penetrating the bolt and nut component of connecting hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432621.5U CN209673521U (en) | 2019-04-02 | 2019-04-02 | A kind of high speed impact friction spark experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920432621.5U CN209673521U (en) | 2019-04-02 | 2019-04-02 | A kind of high speed impact friction spark experimental rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781513A (en) * | 2019-04-02 | 2019-05-21 | 山西省计量科学研究院 | A kind of high speed impact friction spark experimental rig |
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2019
- 2019-04-02 CN CN201920432621.5U patent/CN209673521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781513A (en) * | 2019-04-02 | 2019-05-21 | 山西省计量科学研究院 | A kind of high speed impact friction spark experimental rig |
| CN109781513B (en) * | 2019-04-02 | 2024-04-26 | 山西省检验检测中心(山西省标准计量技术研究院) | High-speed impact friction spark test device |
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Address after: 030012 No. 106, Changzhi Road, Taiyuan, Shanxi Patentee after: Shanxi inspection and Testing Center (Shanxi Institute of standard measurement technology) Country or region after: China Address before: 030032 No.190, Wucheng South Road, Taiyuan City, Shanxi Province Patentee before: SHANXI INSTITUTE OF METROLOGY Country or region before: China |