CN109781514A - A kind of explosion-proof test tank - Google Patents
A kind of explosion-proof test tank Download PDFInfo
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- CN109781514A CN109781514A CN201910259418.7A CN201910259418A CN109781514A CN 109781514 A CN109781514 A CN 109781514A CN 201910259418 A CN201910259418 A CN 201910259418A CN 109781514 A CN109781514 A CN 109781514A
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- 238000012360 testing method Methods 0.000 title claims abstract description 65
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 6
- 239000002360 explosive Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 7
- 238000004880 explosion Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The present invention relates to the explosion-proof testing field of the metal material used in coal production, specifically a kind of explosion-proof test tank.Including tank body, cover, the tank skin upper limb of the tank body is equipped at least three locating rods with tank body centerline parallel, every locating rod runs through cover and between cover in clearance fit, 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.Explosion-proof test tank of the present invention, it is high-efficient and at low cost without being timed adjustment to cover, 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 present invention relates to the explosion-proof testing field of the metal material used in coal production, specifically a kind of explosion-proof tests
Tank.
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
The course of work is to be sent out at test bullet and high speed impact breadboard by bullet by regulation manufacture by the metal material of equipment under test
Injection device makes to test bullet and is easiest to by hitting to have equal or close to the maximum value that may be caused danger under actual working conditions
The breadboard of the dangerous angle of friction spark is generated, to simulate tested metal material friction spark generation under high speed impact operating condition
Process.Bullet and baffle is made in the metal of pairing in test, by making bullet under certain speed to being placed in fiery gas
Baffle in body generates impact friction, and whether the spark for observing generation can ignite explosive gas.
Currently, having no the report of the dedicated anti-explosion tank about high-speed friction spark-testing.There is also all for common anti-explosion tank
More 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.
Summary of the invention
The present invention is in order to solve the problems, such as that high-speed friction spark-testing without dedicated anti-explosion tank, provides a kind of explosion-proof test
Tank.
The present invention is achieved by the following technical solutions: a kind of explosion-proof test tank, including tank body, cover, the tank body
Tank skin upper limb and tank body centerline parallel be equipped at least three locating rods, every locating rod runs through cover and and cover
Between be in clearance fit, all positioning boom ends above cover are both secured on positioning plate, positioning plate center edge
Tank body center line is fixedly connected after threaded rod bottom stretching positioning plate with cover center, positioning plate upper surface through there is threaded rod
Equipped with cover mobile mechanism, the cover mobile mechanism include motor, the master bevel gear being coaxially installed on motor output shaft, with
Master bevel gear be meshed from bevel gear, the inner circle from bevel gear is threadedly engaged with threaded rod;
Tank body can body surface is equipped with motor-driven valve, and the valve of motor-driven valve allows to test bullet and penetrates tank interior, the tank body
Can body surface is equipped with the servo motor with absolute value encoder, is coaxially installed with retarder on the output shaft of servo motor, subtracts
The output end of fast device protrudes into tank interior and is coaxially provided with guide rod, and guide rod side is provided with guide groove along axial direction, guide rod
The test frame that free end loop has surface to be equipped with high speed impact breadboard, the tank interior opposite with guide rod are fixed with spiral shell
Line guide rod, screw thread guiding boom end are protruded into test frame and are threadedly coupled with test frame, the survey opposite with guide groove
The stop block with guide groove sliding cooperation is installed in examination frame, the high speed impact breadboard is opposite with the valve of motor-driven valve,
The tank body is equipped with observation window.
As the further improvement of technical solution of the present invention, the tank body inner edge on the inside of all locating rods is equipped with and cover
The O-ring of lower surface sealing cooperation.
As the further improvement of technical solution of the present invention, the center line of the screw thread guide rod and guide rod is located at same
On straight line, the valve center line of motor-driven valve is perpendicular with the straight line and is in the same plane.
As the further improvement of technical solution of the present invention, the cover mobile mechanism further includes shell, the motor
Output shaft, master bevel gear are respectively positioned in shell from bevel gear, and housing bottom is fixed on positioning plate.
As the further improvement of technical solution of the present invention, the tank body is equipped with safety valve.
As the further improvement of technical solution of the present invention, the tank body is equipped with stirring motor, stirring motor
Output shaft protrudes into tank body and output shaft end is equipped with stirring blades.
As the further improvement of technical solution of the present invention, the tank body upper limb on the outside of all locating rods is equipped at least
The next displacement sensor of one detection cover, the cover outer rim on the outside of all locating rods are equipped with an at least detection positioning plate
The signal output end of upper displacement sensor, the next displacement sensor and upper displacement sensor is connected in control unit, control unit
Driving signal is sent to driver, the driver drives electric motor starting or closing after receiving driving signal.
As the further improvement of technical solution of the present invention, the tank body upper limb extends outward to form outer circular edge, annular
Corresponding in outer rim and cover outer rim to be provided with several connecting holes, outer circular edge and cover outer rim are by penetrating the bolt of connecting hole
Nut assembly is fixed together.
Explosion-proof test tank of the present invention is the dedicated anti-explosion tank of design for the test of high speed impact friction spark,
It is opened and closed by motor control, solves the problems, such as that existing cover open-close is inconvenient and time-consuming longer, realizes in the tank body of test front and back
Monitoring, the displacement of high speed impact breadboard and the adjustment at inclination angle of portion's gas concentration, it is high-efficient without being timed adjustment to cover
And it is at low cost, the impact friction that test bullet generates high speed impact breadboard can be observed, and the spark for observing generation is
The no explosive gas that can ignite.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of explosion-proof test tank of the present invention.
Fig. 2 is the structural schematic diagram of test frame.
In figure: 1- tank body, 2- cover, 3- locating rod, 4- positioning plate, 5- threaded rod, 6- motor, 7- motor-driven valve, 8- are absolute
It is worth encoder, 9- servo motor, 10- screw thread guide rod, 11- test frame, 12- guide rod, 13- observation window, 14- shell, 15-
Safety valve, 16- stirring motor, the bottom 17- displacement sensor, the upper displacement sensor of 18-, 19- high speed impact breadboard, 20- are led
To slot, 21- stop block.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Technical solution of the present invention is described in detail with reference to the accompanying drawing.
A kind of explosion-proof test tank, including tank body 1, cover 2, tank skin upper limb and 1 centerline parallel of tank body of the tank body 1
Equipped at least three locating rods 3, every locating rod 3 through cover 2 and is in clearance fit between cover 2, is located at cover 2
3 end of all locating rods of top is both secured on positioning plate 4, and 4 center of positioning plate is run through along 1 center line of tank body screw thread
Bar 5,5 bottom of threaded rod are fixedly connected after stretching out positioning plate 4 with 2 center of cover, and 4 upper surface of positioning plate is equipped with cover moving machine
Structure, the cover mobile mechanism include motor 6, the master bevel gear being coaxially installed on 6 output shaft of motor, mutually nibble with master bevel gear
Close from bevel gear, the inner circle from bevel gear is threadedly engaged with threaded rod 5;
The 1 can body surface of tank body is equipped with motor-driven valve 7, and the valve of motor-driven valve 7 allows to test bullet and penetrates inside tank body 1, described
1 can body surface of tank body is equipped with the servo motor 9 with absolute value encoder 8, is coaxially installed with and subtracts on the output shaft of servo motor 9
Fast device, the output end of retarder protrude into 1 inside of tank body and are coaxially provided with guide rod 12, and 12 side of guide rod is provided with guiding along axial direction
Slot 20, the test frame 11 that the free end loop of guide rod 12 has surface to be equipped with high speed impact breadboard 19, with guide rod 12
Be fixed with screw thread guide rod 10 inside opposite tank body 1,10 end of screw thread guide rod protrude into test frame 11 and with test
Frame 11 is threadedly coupled, and the stop block with the sliding cooperation of guide groove 20 is installed in the test frame 11 opposite with guide groove 20
21, the high speed impact breadboard 19 is opposite with the valve of motor-driven valve 7, and the tank body 1 is equipped with observation window 13.
In use, installing high speed impact breadboard 19 in 11 one or both sides of test frame, motor 6 rotates forward and drives main cone
Gear rotation, and then drive from bevel gear and rotate, threaded rod 5 is run down, and push cover 2 to run down along locating rod 3, until
After fastening with the sealing of tank body 1, motor 6 is closed.Servo motor 9 is rotated by the control driving guide rod 12 of absolute value encoder 8, by
Position-limiting action between stop block 21 and guide groove 20 is realized so the guide rod 12 of rotation drives test frame 11 to rotate
The purpose of test frame 11 tilt angle control;In addition, since the screw thread between screw thread guide rod 10 and test frame 11 connects
Relationship is connect, the test frame 11 of rotation is further rotatably assorted with screw thread guide rod 10, so that the test frame 11 of rotation is along spiral shell
10 transverse shifting of line guide rod.The folding of the valve of the electric operator control motor-driven valve 7 of motor-driven valve 7.When test bullet exists
When being impacted by instruction along predetermined direction in connection gun barrel, the valve of motor-driven valve 7 is opened simultaneously, allows test bullet can be smooth
Impact friction occurs with high speed impact breadboard 19 in into tank body 1, can be observed by observation window 13 and test bullet institute in tank body 1
Caused spark situation.
After test bullet completes impact in tank body 1, the reversion of motor 6 and drive master bevel gear rotation, and then drive from cone
Gear rotation, threaded rod 5 are run up, and are driven cover 2 to run up along locating rod 3, can be opened cover 2.When concrete application,
Air inlet and air outlet are had on the tank body 1, whether can be ignited fiery gas convenient for spark caused by observing in this way
Body.
In the present invention, the observation window 13 is preferably located at 1 medium position of tank body, in this way convenient for more fully observation examination
Test situation of the bullet in tank body 1.Observation window 13 shown in FIG. 1 and the screw thread guide rod 10 or guide rod 12 on test frame 11
Relatively, it is not meant to that observation window 13 of the present invention is located in this position, in practice to screw thread guide rod 10 or guide rod
12 installation, observation window 13 should avoid the installation site of other component on tank body 1.
In order to reinforce the sealing of cover 2 Yu tank body 1,1 inner edge of tank body positioned at all 3 insides of locating rod is equipped with and cover 2
The O-ring of lower surface sealing cooperation.
When specifically used, the center line of the screw thread guide rod 10 and guide rod 12 is located along the same line, motor-driven valve 7
Valve center line is perpendicular with the straight line and is in the same plane.It is tested in this way convenient for the test bullet and high speed impact of impact
Impact friction occurs for plate 19.
As shown in Figure 1, the cover mobile mechanism further includes shell 14, the output shaft of the motor 6, master bevel gear, from
Bevel gear is respectively positioned in shell 14, and 14 bottom of shell is fixed on positioning plate 4.
When it is implemented, the tank body 1 is equipped with safety valve 15.
Preferably, the tank body 1 is equipped with stirring motor 16, stirring protruded into tank body 1 with the output shaft of motor 16 and
Output shaft end is equipped with stirring blades.Stirring motor 16 drives stirring blades rotation, and the mixed gas in tank body 1 may be implemented
Quick mixing, reach scheduled gas mixing ratio.
When it is implemented, also for avoiding cover 2 from rising too high, being located in order to avoid cover 2 and tank body 1 are excessively closed
1 upper limb of tank body in all 3 outsides of locating rod is equipped with the next displacement sensor 17 of at least one detection cover 2, is located at all positioning
2 outer rim of cover in the outside of bar 3 is equipped with the upper displacement sensor 18 of an at least detection positioning plate 4, the next displacement sensor 17 and upper
The signal output end of displacement sensor 18 is connected in control unit, and driving signal is sent to driver by control unit, described
Driver receives the starting of driving motor 6 or closing after driving signal.It is the next after the operation to predetermined position of cover 2 run down
Displacement signal is input to control unit by displacement sensor 17, and driving signal is sent to driver by control unit, and driver receives
Driving motor 6 stops rotating forward after driving signal, can make to avoid cover 2 and the excessively closed pair cover 2 of tank body 1 or 1 upper limb of tank body
At damaging, deform, naturally it is also possible to avoid the damage to O-ring.After the operation to predetermined position of cover 2 run up,
Displacement signal is input to control unit by upper displacement sensor 18, and driving signal is sent to driver, driver by control unit
Driving motor 6 stops reversion after receiving driving signal, can rise too high in this way to avoid cover 2 so that cover 2 and positioning plate 4 are made
At damaging or deform.
Preferably, in order to avoid test bullet impact generates in spark initiation tank body 1 after mixed gas, generation of exploding is rushed
It hits gas to open cover 2,1 upper limb of tank body extends outward to form outer circular edge, right in 2 outer rim of outer circular edge and cover
That answers is provided with several connecting holes, and outer circular edge is fixedly connected on 2 outer rim of cover by penetrating the bolt and nut component of connecting hole
Together.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of explosion-proof test tank, including tank body (1), cover (2), which is characterized in that the tank skin upper limb and tank of the tank body (1)
Body (1) centerline parallel is equipped at least three locating rods (3), and every locating rod (3) runs through cover (2) and and cover
(2) it is in clearance fit between, is located at all locating rods (3) end above cover (2) and is both secured on positioning plate (4), it is described
Along tank body (1) center line through having threaded rod (5), positioning plate (4) are stretched out afterwards and tank in threaded rod (5) bottom at positioning plate (4) center
Lid (2) center is fixedly connected, and positioning plate (4) upper surface is equipped with cover mobile mechanism, and the cover mobile mechanism includes motor
(6), the master bevel gear that is coaxially installed on motor (6) 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 (5);
Tank body (1) the can body surface is equipped with motor-driven valve (7), and the valve of motor-driven valve (7) allows to test bullet and penetrates in tank body (1)
Portion, tank body (1) the can body surface are equipped with the servo motor (9) with absolute value encoder (8), the output of servo motor (9)
Retarder is coaxially installed on axis, the output end of retarder protrudes into tank body (1) inside and is coaxially provided with guide rod (12), guide rod
(12) side is provided with guide groove (20) along axial direction, and the free end loop of guide rod (12) has surface to be equipped with high speed impact breadboard
(19) test frame (11), the tank body (1) opposite with guide rod (12) is internal to be fixed with screw thread guide rod (10), screw thread guiding
Bar (10) end is protruded into test frame (11) and is threadedly coupled with test frame (11), the opposite test with guide groove (20)
Be installed with the stop block (21) with guide groove (20) sliding cooperation in frame (11), the high speed impact breadboard (19) with it is electronic
The valve of valve (7) is opposite, and the tank body (1) is equipped with observation window (13).
2. a kind of explosion-proof test tank according to claim 1, which is characterized in that the tank being located on the inside of all locating rods (3)
Body (1) inner edge is equipped with the O-ring with the sealing cooperation of cover (2) lower surface.
3. a kind of explosion-proof test tank according to claim 1, which is characterized in that the screw thread guide rod (10) and guide rod
(12) center line is located along the same line, and the valve center line of motor-driven valve (7) is perpendicular with the straight line and is generally aligned in the same plane
It is interior.
4. a kind of explosion-proof test tank according to claim 1, which is characterized in that the cover mobile mechanism further includes shell
(14), the output shaft, master bevel gear of the motor (6), be respectively positioned on from bevel gear in shell (14), and shell (14) bottom is fixed
In on positioning plate (4).
5. a kind of explosion-proof test tank according to claim 1, which is characterized in that the tank body (1) is equipped with safety valve
(15).
6. a kind of explosion-proof test tank according to claim 1, which is characterized in that the tank body (1) is equipped with stirring electricity consumption
Machine (16), stirring is protruded into tank body (1) with the output shaft of motor (16) and output shaft end is equipped with stirring blades.
7. a kind of explosion-proof test tank according to claim 1, which is characterized in that the tank being located on the outside of all locating rods (3)
Body (1) upper limb is equipped with the next displacement sensor (17) of at least one detection cover (2), the tank being located on the outside of all locating rods (3)
Lid (2) outer rim is equipped with the upper displacement sensor (18) of an at least detection positioning plate (4), the next displacement sensor (17) and upper displacement
The signal output end of sensor (18) is connected in control unit, and driving signal is sent to driver, the drive by control unit
Dynamic device receives driving motor (6) starting or closing after driving signal.
8. a kind of explosion-proof test tank according to claim 1, which is characterized in that tank body (1) upper limb extends outwardly shape
Circularize outer rim, corresponding in outer circular edge and cover (2) outer rim to be provided with several connecting holes, outer circular edge and cover (2) are outside
Edge is fixed together by penetrating the bolt and nut component of connecting hole.
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CN201910259418.7A CN109781514B (en) | 2019-04-02 | 2019-04-02 | Explosion-proof test tank |
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CN201910259418.7A CN109781514B (en) | 2019-04-02 | 2019-04-02 | Explosion-proof test tank |
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CN109781514A true CN109781514A (en) | 2019-05-21 |
CN109781514B CN109781514B (en) | 2024-03-22 |
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Cited By (1)
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CN110274874A (en) * | 2019-07-01 | 2019-09-24 | 广州特种机电设备检测研究院 | Spin friction spark test apparatus for the detection of no-spark material explosion-proof performance |
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CN110274874B (en) * | 2019-07-01 | 2022-04-01 | 广州特种机电设备检测研究院 | Rotary friction spark test device for detecting explosion-proof performance of non-spark material |
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CN109781514B (en) | 2024-03-22 |
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