CN102212972B - Air pressure ejection instant starting device - Google Patents
Air pressure ejection instant starting device Download PDFInfo
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- CN102212972B CN102212972B CN201110091865XA CN201110091865A CN102212972B CN 102212972 B CN102212972 B CN 102212972B CN 201110091865X A CN201110091865X A CN 201110091865XA CN 201110091865 A CN201110091865 A CN 201110091865A CN 102212972 B CN102212972 B CN 102212972B
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- launching tube
- bar
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- positioning sleeve
- rod
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Abstract
The invention relates to an air pressure ejection instant starting device, which comprises a launching tube. One end of the launching tube is provided with an end cover, and the other end of the launching tube is provided with a locating sleeve; a launching rod is coaxially arranged in the launching tube; a piston is positioned on a rod segment, which is arranged in the launching tube, of the launching rod; a pressure storage cavity is enclosed by the end surface facing the end cover of the piston, the side wall of the launching tube and the end cover; a normal pressure cavity is enclosed by the end surface facing the locating sleeve of the piston, the side wall of the launching tube and the locating sleeve; a counter hole is axially formed in the end surface, which faces the end cover, of the launching rod; the hole position of the counter hole is provided with a baffle cover; the baffler cover is fixed on the launching rod; a screw rod is arranged in the axial direction of the launching rod and extended into the counter hole; a nut is arranged in the counter hole and screwed on the screw rod; the screw rod is in transmission connection with a power output end of a speed reducer; and the location sleeve is provided with a launching rod locking device used for locking the launching rod. The air pressure ejection instant starting device is rapid in starting, stable in working performance and large in working stroke, and has long service life.
Description
Technical field
The present invention relates to a kind of air pressure ejection instant starting device.
Background technology
In the steam explosion technique for the treatment of materials such as stalks, requirement utilizes Open valve device complete opening enclosed in the short as far as possible time the valve of tank body, allow the material in tank body in moment, be transitioned into atmospheric pressure state by the pressure state of 2-4MPa, thereby realize comparatively desirable steam explosion operation.But existing Open valve device is realized the unlatching fully of valve, usually needs 15-20 second, and because opening speed is excessively slow, the institutional framework of a large amount of materials can't participate in dodging quick-fried and broken wall occurs, to such an extent as to have a strong impact on quality and the effect of the material of steam explosion processing.
Summary of the invention
The object of the present invention is to provide a kind of breakdown action rapid, stable work in work, impulse stroke is large, long service life, can in moment, open the closing valve of steam explosion tank body fully, allow the institutional framework of material more participate in dodging air pressure ejection instant starting device quick-fried and the generation broken wall.
air pressure ejection instant starting device of the present invention, comprise launching tube, one end of launching tube is provided with end cap, the other end of launching tube is provided with positioning sleeve, in launching tube, be provided with coaxially the emission bar, the emission bar adopts matched in clearance to pass described positioning sleeve, one end of emission bar is positioned at outside launching tube, the other end of emission bar is positioned at launching tube, the bar section that is positioned at launching tube on the emission bar is provided with piston, the sidewall of piston matches with the inwall of launching tube, the seal sealing is adopted in gap between the sidewall of piston and the inwall of launching tube, piston encloses formation pressure accumulation chamber towards the end face of described end cap and sidewall and the end cap of launching tube, piston encloses the formation common pressure chamber towards the end face of described positioning sleeve and sidewall and the positioning sleeve of launching tube, common pressure chamber is connected with the external world by the ventilation gas circuit, described pressure accumulation chamber is connected with the external world by the air inlet gas circuit that is in series with check valve, check valve can stop the pressed gas in the pressure accumulation chamber to flow out the pressure accumulation chamber, the counterbore that is axially arranged with of bar is launched on described emission bar edge on the end face of end cap, the place, aperture of counterbore is provided with door, door is fixed on the emission bar, the middle part of door is provided with through hole, the through hole of door has leading screw to pass, leading screw along the emission bar axial setting and stretch in counterbore, in counterbore, be provided with nut, the nut spinning is on leading screw, nut can move vertically in counterbore, when nut, move to the place, aperture of counterbore, door can block nut, described leading screw hermetic seal is connected with the clutch end transmission of decelerator after passing described end cap, the power intake of decelerator is connected with motor-driven, described positioning sleeve place is provided be used to locking the emission rod lock device of described emission bar.
air pressure ejection instant starting device of the present invention, wherein said positioning sleeve comprises plunger bushing and fairlead, the outside diameter of fairlead is less than the outside diameter of plunger bushing, the inner end of fairlead and the outer end of plunger bushing are one, described emission rod lock device comprises ball gland and cylinder block, the inner end of ball gland and the outer end of cylinder block are one, the ball gland adopts matched in clearance to be sleeved on the lateral wall of fairlead, in the endoporus of ball gland, be provided with columniform top spring, the top spring is sleeved on the lateral wall of fairlead, a spring end inwardly in top withstands on the step of ball gland endoporus, a spring end outwardly in top withstands on baffle plate, baffle plate is fixed on described fairlead, described cylinder block adopts matched in clearance to be sleeved on the lateral wall of described plunger bushing, the outer face of cylinder block and plunger bushing is enclosed and is formed the pressure-acting chamber, the pressure-acting chamber is connected with air-control device by controlling gas circuit, on the sidewall of described fairlead, around ground, be provided with the more than one sleeping hole of bead of running through the fairlead sidewall, in each sleeping hole of bead, be respectively equipped with a ball, the madial wall of described ball gland matches with the end of each ball away from the emission rod axis respectively, the madial wall that is positioned at ball gland inner end is provided with the groove of an annular, the width of groove and the degree of depth can be installed in into each ball, the sidewall of described emission bar outer end is provided with the locking bar draw-in groove of annular, the locking bar draw-in groove matches with the end of ball near the emission rod axis.
Air pressure ejection instant starting device of the present invention, the bar section that is positioned at common pressure chamber on wherein said emission bar is provided with more than one guide key groove, and each guide key groove matches with a feather key respectively, and feather key is arranged in the keyway of described positioning sleeve endoporus.
Air pressure ejection instant starting device of the present invention, wherein said piston is provided with elastic shock-absorbing device towards the end face of described positioning sleeve.
Air pressure ejection instant starting device of the present invention, wherein said ventilation gas circuit is passed described positioning sleeve and is connected with described common pressure chamber, the scavenge port that the ventilation gas circuit is positioned at common pressure chamber is arranged on positioning sleeve on the end face of described piston, described elastic shock-absorbing device is the elastic block rubber of annular, and elastic block rubber matches with the scavenge port that the ventilation gas circuit is positioned at common pressure chamber.
Air pressure ejection instant starting device of the present invention, wherein said control gas circuit is passed described positioning sleeve and is connected with described pressure-acting chamber, described air inlet gas circuit is passed described end cap and is connected with described pressure accumulation chamber, and the middle part of described end cap is provided with bearing, and bearing holder (housing, cover) is contained on described leading screw.
Air pressure ejection instant starting device of the present invention, wherein said decelerator is worm type of reduction gearing, decelerator adopts screw to be fixed on described end cap, described leading screw passes the centre bore of the worm gear of decelerator, leading screw coordinates and is connected by key with the worm gear in decelerator, on decelerator, is equipped be used to measuring leading screw and in the unit interval, rotates the revolution counter of the number of turns.
Air pressure ejection instant starting device of the present invention, the middle part of wherein said launching tube lateral wall adopts matched in clearance to be set with the installation fixed cover, the periphery that fixed cover is installed is quadrangle, four bights that fixed cover is installed are respectively equipped with perforation, each perforation place is provided with respectively a screw rod that arranges vertically and passes perforation, on each screw rod, be positioned on the bar section that the fixed cover two ends are installed and be installed with respectively the nut of fixed cover being installed be used to clamping, the side that fixed cover is installed is provided with two axles of shipping and reselling on another market symmetrically, and the axis of two axles of shipping and reselling on another market radially coaxially arranges.
Air pressure ejection instant starting device of the present invention, wherein said door adopt screw to fix, and the quantity in the described sleeping hole of bead is 2-8, and the quantity of described guide key groove is 2.
Air pressure ejection instant starting device of the present invention, on wherein said positioning sleeve and described emission bar, radially be provided with coaxially pin hole, described emission rod lock device comprises the bolt rod that is disposed radially, bolt rod matches with pin hole near an end of emission rod axis, and bolt rod is connected with the piston rod of cylinder away from an end of emission rod axis.
Air pressure ejection instant starting device of the present invention, after the gas in the pressure accumulation chamber is in compressed accumulation of energy, just can utilize emission rod lock device to pin the emission bar, and then starter motor, by decelerator by the leading screw backward rotation, allow nut move to the inner end away from the counterbore of door, can make to launch bar and be in battery.When needs utilize air pressure ejection instant starting device of the present invention to do breakdown action, can allow emission rod lock device decontrol the emission bar that is lockable, pressed gas in the pressure accumulation chamber will launch away the emission bar at a high speed, thereby in moment, open the closing valve of steam explosion tank body fully, allow the institutional framework of material more participate in dodging quick-fried and generation broken wall.With existing opening device, compare, it is rapid that air pressure ejection instant starting device of the present invention has a breakdown action, stable work in work, and impulse stroke is large, the characteristics of long service life.
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
The accompanying drawing explanation
Fig. 1 is the main pseudosection of structural representation of a kind of embodiment of air pressure ejection instant starting device of the present invention;
Fig. 2 is the main pseudosection that the air pressure ejection instant starting device of Fig. 1 is in the structural representation of launching duty.
The specific embodiment
referring to Fig. 1 and Fig. 2, air pressure ejection instant starting device of the present invention, comprise launching tube 1, one end of launching tube 1 is provided with end cap 2, the other end of launching tube 1 is provided with positioning sleeve 3, in launching tube 1, be provided with coaxially emission bar 5, emission bar 5 adopts matched in clearance to pass positioning sleeve 3, in use, emission bar 5 can be along axially in positioning sleeve 3, sliding, one end of emission bar 5 is positioned at outside launching tube 1, with the device of driven unlatching, be connected, the other end of emission bar 5 is positioned at launching tube 1, the bar section that is positioned at launching tube 1 on emission bar 5 is provided with piston 6, the sidewall of piston 6 matches with the inwall of launching tube 1, in use, piston 6 can be along axially at launching tube 1, sliding, the seal sealing is adopted in gap between the inwall of the sidewall of piston 6 and launching tube 1, piston 6 encloses formation pressure accumulation chamber 7 towards the end face of end cap 2 and sidewall and the end cap 2 of launching tube 1, piston 6 encloses formation common pressure chamber 14 towards the end face of positioning sleeve 3 and sidewall and the positioning sleeve 3 of launching tube 1, piston 6 is provided with elastic shock-absorbing device 32 towards the end face of positioning sleeve 3.common pressure chamber 14 is connected with the external world by ventilation gas circuit 15, pressure accumulation chamber 7 is connected with the external world by the air inlet gas circuit 17 that is in series with check valve 16, check valve 16 can stop the pressed gas in pressure accumulation chamber 7 to flow out pressure accumulation chamber 7, in use, when piston 6 is positioned at the side of launching tube 1 near positioning sleeve 3, pressure in pressure accumulation chamber 7 is during lower than normal pressure, can supplement a certain amount of gas by air inlet gas circuit 17 is interior to pressure accumulation chamber 7, so that the gas in pressure accumulation chamber 7 is when being subject to the compression of piston 6, can rise to higher pressure, for pushing piston 6, launch emission bar 5, emission bar 5 is axially arranged with counterbore 8 along emission bar 5 on the end face of end cap 2, the place, aperture of counterbore 8 is provided with door 9, door 9 adopts screw to be fixed on emission bar 5, the middle part of door 9 is provided with through hole, the through hole of door 9 has leading screw 11 to pass, the axial setting of leading screw 11 edge emission bars 5 is also stretched in counterbore 8, in counterbore 8, be provided with nut 10, nut 10 spinnings are on leading screw 11, rotational lead screw 11, nut 10 just can move vertically in counterbore 8, but nut 10 is restricted, cannot be in the interior rotation of counterbore 8, when nut 10, move to the place, aperture of counterbore 8, door 9 can block nut 10, if be rotated further leading screw 11 this moment, nut 10 will pull 5 motions of emission bar by door 9, the gases that allow piston 6 compress in pressure accumulation chambeies 7, make 7 accumulation of energys of pressure accumulation chamber, leading screw 11 hermetic seals are connected with the clutch end transmission of decelerator 12 after passing end cap 2, the power intake of decelerator 12 is connected with motor 13 transmissions, starter motor 13, motor 13 will allow leading screw 11 rotate by decelerator 12, positioning sleeve 3 places are provided be used to locking the emission rod lock device of emission bar 5, in use, after the gas in pressure accumulation chamber 7 is in compressed accumulation of energy, just can utilize emission rod lock device to pin emission bar 5, and then starter motor 13, by decelerator 12, allow leading screw 11 backward rotation, allow nut 10 move to the inner end away from the counterbore 8 of door 9, can make to launch bar 5 and be in battery.When needs utilize air pressure ejection instant starting device of the present invention to do breakdown action, can allow emission rod lock device decontrol the emission bar 5 that is lockable, pressed gas in pressure accumulation chamber 7 will launch away emission bar 5 at a high speed, and this moment, common pressure chamber 14 interior gases can flow out common pressure chamber 14 along ventilation gas circuit 15.
above-mentioned positioning sleeve 3 can be to comprise plunger bushing 18 and fairlead 19, the outside diameter of fairlead 19 is less than the outside diameter of plunger bushing 18, the outer end of the inner end of fairlead 19 and plunger bushing 18 is one, emission rod lock device comprises ball gland 20 and cylinder block 21, the outer end of the inner end of ball gland 20 and cylinder block 21 is one, ball gland 20 adopts matched in clearance to be sleeved on the lateral wall of fairlead 19, in the endoporus of ball gland 20, be provided with columniform top spring 22, top spring 22 is sleeved on the lateral wall of fairlead 19, top spring 22 end inwardly withstands on the step of ball gland 20 endoporus, top spring 19 end outwardly withstands on baffle plate 23, baffle plate 23 is fixed on fairlead 19, cylinder block 21 adopts matched in clearance to be sleeved on the lateral wall of plunger bushing 18, cylinder block 21 encloses and forms pressure-acting chamber 24 with the outer face of plunger bushing 18, pressure-acting chamber 24 is connected with air-control device by controlling gas circuit 25, on the sidewall of fairlead 19, around ground, be provided with the sleeping hole of bead 26 of running through fairlead 19 sidewalls, the quantity in the sleeping hole of bead 26 is 2-8, in each sleeping hole of bead 26, be respectively equipped with a ball 27, the madial wall of ball gland 20 matches with the end of each ball 27 away from emission bar 5 axis respectively, the madial wall that is positioned at ball gland 20 inner ends is provided with the groove 28 of an annular, the width of groove 28 and the degree of depth can be installed in into each ball 27, the sidewall of emission bar 5 outer ends is provided with the locking bar draw-in groove 29 of annular, locking bar draw-in groove 29 matches with the end of ball 27 near emission bar 5 axis.when not needing pressure accumulation chamber 7 pressure accumulation, in the pressure-acting chamber 24 of cylinder block 21, be filled with pressed gas, top spring 22 is in confined state, the part of the ball 27 in each sleeping hole of bead 26 can enter the groove 28 that is arranged on ball gland 20 inner end madial walls, when also emission bar 5 is led in pinning to pressure accumulation chamber 7 pressure accumulations when needs, the pressure-acting chamber 24 of cylinder block 21 will communicate with the external world, cylinder block 21 and ball gland 20 are under the elastic force of top spring 22 promotes, be tending towards synchronously end motion inwards, when the locking bar draw-in groove 29 on emission bar 5 outer end sidewalls moves to ball 27 corresponding position, the part of the ball 27 in each sleeping hole of bead 26 can enter the locking bar draw-in groove 29 that is arranged on emission bar 5 outer end sidewalls, 20 of cylinder block 21 and ball glands be end motion one segment distance inwards, each ball 27 is pushed down, make it can't leave locking bar draw-in groove 29, thereby will launch bar 5 pins, gas in the pressure-acting chamber 24 of cylinder block 21 can be discharged from simultaneously.When needs are launched emission bar 5, can utilize air-control device to the interior charged pressure gas in the pressure-acting chamber 24 of cylinder block 21, allow cylinder block 21 and ball gland 20 synchronously outwards move, and compression top spring 22, when the groove 28 of ball gland 20 moves to ball 27 corresponding position, the part of the ball 27 in each sleeping hole of bead 26 can enter in the groove 28 of ball gland 20, thereby the emission bar 5 that will be lockable unclamps, and emission bar 5 will be launched at once.
The bar section that is positioned at common pressure chamber 14 on above-mentioned emission bar 5 is provided with guide key groove 30, and the quantity of guide key groove 30 can be 1 or 2, and each guide key groove 30 matches with a feather key 31 respectively, and feather key 31 is arranged in the keyway of positioning sleeve 3 endoporus.In use, the bootable emission bar 5 of feather key 31 moves vertically, and can stop emission bar 5 to rotate.
Above-mentioned ventilation gas circuit 15 is preferably passed positioning sleeve 3 and is connected with common pressure chamber 14, the scavenge port that ventilation gas circuit 15 is positioned at common pressure chamber 14 is arranged on positioning sleeve 3 on the end face of piston 6, control gas circuit 25 is passed positioning sleeve 3 and is connected with pressure-acting chamber 24, air inlet gas circuit 17 is passed end cap 2 and is connected with pressure accumulation chamber 7, so that the structure of whole device is compacter, gas path layout is more reasonable.The middle part of above-mentioned end cap 2 can be provided with bearing 33, and bearing 33 is sleeved on leading screw 11, stability and accuracy while to improve leading screw 11, rotating, vibration and noise while reducing the device operation.
Above-mentioned elastic shock-absorbing device 32 can be the elastic block rubber of annular, and elastic block rubber matches with the scavenge port that ventilation gas circuit 15 is positioned at common pressure chamber 14.In use, the elastic shock-absorbing device 32 of making when elastic block rubber moves to positioning sleeve 3 places along with piston 6 and during with inwardly end contact of positioning sleeve 3, can play the effect that reduces impulsive force, elastic block rubber also can close the scavenge port that ventilation gas circuit 15 is positioned at common pressure chamber 14 simultaneously, allow the interior remaining gas of common pressure chamber 14 no longer flow out common pressure chamber 14,, allow remaining gas impact-absorbing power as an air spring, thereby play cushioning effect, to avoid the excessive damage parts of impulsive force.
Above-mentioned decelerator 12 can be worm type of reduction gearing, decelerator 12 adopts screw to be fixed on end cap 2, leading screw 11 passes the centre bore of the worm gear (not shown in FIG.) of decelerator 12, leading screw 11 coordinates and is connected by key with the worm gear in decelerator 12, on decelerator 12, is equipped be used to measuring leading screw and in 11 unit interval, rotates the revolution counter 34 of the number of turns.In use, the data that can utilize revolution counter 34 to read, calculate the position of emission bar 5 by control device, thereby can accurately control the initial emission state of emission bar 5, and emission bar 5 accurately can be locked in to predetermined position.When enforcement is of the present invention, also can adopt other known technical schemes to control the initial transmitting site of emission bar 5.
the middle part of above-mentioned launching tube 1 lateral wall is adopted matched in clearance to be set with fixed cover 35 is installed, the periphery that fixed cover 35 is installed is quadrangle, four bights that fixed cover 35 is installed are respectively equipped with perforation (not shown in FIG.), each perforation place is provided with respectively a screw rod (not shown in FIG.) that arranges vertically and passes perforation, on each screw rod, be positioned on the bar section that fixed cover 35 two ends are installed and be installed with respectively the nut (not shown in FIG.) of fixed cover 35 being installed be used to clamping, the side that fixed cover 35 is installed is provided with two axles of shipping and reselling on another market (not shown in FIG.) symmetrically, the axis of two axles of shipping and reselling on another market radially coaxially arranges, two axles of shipping and reselling on another market are arranged on frame for fixed cover 35 will be installed.In use, can the diverse location place that fixed cover 35 is fixed on launching tube 1 lateral wall will be installed by adjusting nut, to facilitate, launching tube 1 be installed.By two axles of shipping and reselling on another market, launching tube 1 is installed, can be allowed launching tube 1 centered by two axles of shipping and reselling on another market, do oscillating motion.
On above-mentioned positioning sleeve 3 and emission bar 5, can be also radially to be provided with coaxially pin hole (not shown in FIG.), emission rod lock device comprises the bolt rod (not shown in FIG.) that is disposed radially, bolt rod matches with pin hole near an end of emission bar 5 axis, bolt rod is connected with the piston rod of cylinder (not shown in FIG.) away from an end of emission bar 5 axis, and cylinder can be fixed near on every side frame.In use, can utilize the air cylinder driven bolt rod to enter or leave pin hole, to pin or to unclamp and launch bar 5.
Embodiment recited above is described the preferred embodiment of the present invention; not the scope of the invention is limited; design under spiritual prerequisite not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. air pressure ejection instant starting device, it is characterized in that: comprise launching tube (1), one end of launching tube (1) is provided with end cap (2), the other end of launching tube (1) is provided with positioning sleeve (3), in launching tube (1), be provided with coaxially emission bar (5), emission bar (5) adopts matched in clearance to pass described positioning sleeve (3), one end of emission bar (5) is positioned at outside launching tube (1), the other end of emission bar (5) is positioned at launching tube (1), the bar section that is positioned at launching tube (1) on emission bar (5) is provided with piston (6), the sidewall of piston (6) matches with the inwall of launching tube (1), the seal sealing is adopted in gap between the inwall of the sidewall of piston (6) and launching tube (1), piston (6) encloses formation pressure accumulation chamber (7) towards the end face of described end cap (2) and sidewall and the end cap (2) of launching tube (1), piston (6) encloses formation common pressure chamber (14) towards the end face of described positioning sleeve (3) and sidewall and the positioning sleeve (3) of launching tube (1), common pressure chamber (14) is connected with the external world by ventilation gas circuit (15), described pressure accumulation chamber (7) is connected with the external world by the air inlet gas circuit (17) that is in series with check valve (16), check valve (16) can stop the pressed gas in pressure accumulation chamber (7) to flow out pressure accumulation chamber (7), described emission bar (5) is axially arranged with counterbore (8) along emission bar (5) on the end face of end cap (2), the place, aperture of counterbore (8) is provided with door (9), door (9) is fixed on emission bar (5), the middle part of door (9) is provided with through hole, the through hole of door (9) has leading screw (11) to pass, the axial setting of leading screw (11) edge emission bar (5) is also stretched in counterbore (8), in counterbore (8), be provided with nut (10), nut (10) spinning is on leading screw (11), nut (10) can move vertically in counterbore (8), when nut (10), move to the place, aperture of counterbore (8), door (9) can block nut (10), described leading screw (11) hermetic seal is connected with the clutch end transmission of decelerator (12) after passing described end cap (2), the power intake of decelerator (12) is connected with motor (13) transmission, described positioning sleeve (3) is located to be provided be used to locking the emission rod lock device of described emission bar (5).
2. air pressure ejection instant starting device as claimed in claim 1, it is characterized in that: described positioning sleeve (3) comprises plunger bushing (18) and fairlead (19), the outside diameter of fairlead (19) is less than the outside diameter of plunger bushing (18), the outer end of the inner end of fairlead (19) and plunger bushing (18) is one, described emission rod lock device comprises ball gland (20) and cylinder block (21), the outer end of the inner end of ball gland (20) and cylinder block (21) is one, ball gland (20) adopts matched in clearance to be sleeved on the lateral wall of fairlead (19), in the endoporus of ball gland (20), be provided with columniform top spring (22), top spring (22) is sleeved on the lateral wall of fairlead (19), top spring (a 22) end inwardly withstands on the step of ball gland (20) endoporus, top spring (a 19) end outwardly withstands on baffle plate (23), baffle plate (23) is fixed on described fairlead (19), described cylinder block (21) adopts matched in clearance to be sleeved on the lateral wall of described plunger bushing (18), cylinder block (21) encloses and forms pressure-acting chamber (24) with the outer face of plunger bushing (18), pressure-acting chamber (24) is connected with air-control device by controlling gas circuit (25), on the sidewall of described fairlead (19), around ground, be provided with the more than one sleeping hole of bead (26) of running through fairlead (19) sidewall, in each sleeping hole of bead (26), be respectively equipped with a ball (27), the madial wall of described ball gland (20) matches with the end of each ball (27) away from emission bar (5) axis respectively, the madial wall that is positioned at ball gland (20) inner end is provided with the groove (28) of an annular, the width of groove (28) and the degree of depth can be installed in into each ball (27), the sidewall of described emission bar (5) outer end is provided with the locking bar draw-in groove (29) of annular, locking bar draw-in groove (29) matches with the end of ball (27) near emission bar (5) axis.
3. air pressure ejection instant starting device as claimed in claim 2, it is characterized in that: the bar section that is positioned at common pressure chamber (14) on described emission bar (5) is provided with more than one guide key groove (30), each guide key groove (30) matches with a feather key (31) respectively, and feather key (31) is arranged in the keyway of described positioning sleeve (3) endoporus.
4. air pressure ejection instant starting device as claimed in claim 3, it is characterized in that: described piston (6) is provided with elastic shock-absorbing device (32) towards the end face of described positioning sleeve (3).
5. air pressure ejection instant starting device as claimed in claim 4, it is characterized in that: described ventilation gas circuit (15) is passed described positioning sleeve (3) and is connected with described common pressure chamber (14), the scavenge port that ventilation gas circuit (15) is positioned at common pressure chamber (14) is arranged on positioning sleeve (3) on the end face of described piston (6), described elastic shock-absorbing device (32) is the elastic block rubber of annular, and elastic block rubber matches with the scavenge port that ventilation gas circuit (15) is positioned at common pressure chamber (14).
6. air pressure ejection instant starting device as claimed in claim 5, it is characterized in that: described control gas circuit (25) is passed described positioning sleeve (3) and is connected with described pressure-acting chamber (24), described air inlet gas circuit (17) is passed described end cap (2) and is connected with described pressure accumulation chamber (7), the middle part of described end cap (2) is provided with bearing (33), and bearing (33) is sleeved on described leading screw (11).
7. air pressure ejection instant starting device as claimed in claim 6, it is characterized in that: described decelerator (12) is worm type of reduction gearing, decelerator (12) adopts screw to be fixed on described end cap (2), described leading screw (11) passes the centre bore of the worm gear of decelerator (12), leading screw (11) coordinates and is connected by key with the worm gear in decelerator (12), and the revolution counter (34) that rotates the number of turns in leading screw (11) unit interval be used to measuring is installed on decelerator (12).
8. air pressure ejection instant starting device as claimed in claim 7, it is characterized in that: the middle part of described launching tube (1) lateral wall is adopted matched in clearance to be set with fixed cover (35) is installed, the periphery that fixed cover (35) is installed is quadrangle, four bights that fixed cover (35) is installed are respectively equipped with perforation, each perforation place is provided with respectively a screw rod that arranges vertically and passes perforation, on each screw rod, be positioned on the bar section that fixed cover (35) two ends are installed and be installed with respectively the nut of fixed cover (35) being installed be used to clamping, the side that fixed cover (35) is installed is provided with two axles of shipping and reselling on another market symmetrically, the axis of two axles of shipping and reselling on another market radially coaxially arranges.
9. air pressure ejection instant starting device as claimed in claim 8 is characterized in that: described door (9) adopts screw to fix, and the quantity in the described sleeping hole of bead (26) is 2-8, and the quantity of described guide key groove (30) is 2.
10. air pressure ejection instant starting device as claimed in claim 1, it is characterized in that: on described positioning sleeve (3) and described emission bar (5), radially be provided with coaxially pin hole, described emission rod lock device comprises the bolt rod that is disposed radially, bolt rod matches with pin hole near an end of emission bar (5) axis, and bolt rod is connected with the piston rod of cylinder away from an end of emission bar (5) axis.
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| CN201110091865XA CN102212972B (en) | 2011-04-13 | 2011-04-13 | Air pressure ejection instant starting device |
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| CN201110091865XA CN102212972B (en) | 2011-04-13 | 2011-04-13 | Air pressure ejection instant starting device |
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| CN102212972B true CN102212972B (en) | 2013-11-20 |
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| CN104986460B (en) * | 2015-07-09 | 2017-07-28 | 北京精密机电控制设备研究所 | One kind stretching open-type door-opening mechanism |
| CN106918435B (en) * | 2017-04-21 | 2023-04-07 | 中国空气动力研究与发展中心高速空气动力研究所 | Integrated impact cylinder device |
| CN114000847B (en) * | 2021-11-11 | 2023-07-18 | 河南豫中地质勘查工程有限公司 | Full-automatic orifice sealing and related operation system for gas drilling |
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| NZ229080A (en) * | 1989-05-11 | 1991-10-25 | Convertech Group Ltd | Two stage process and equipment for the steam hydrolysis of woody material |
| CN101463570B (en) * | 2009-01-12 | 2012-01-04 | 广州华新科实业有限公司 | Screw rod injection type plant fibre steam blasting device and method |
| CN202023106U (en) * | 2011-04-13 | 2011-11-02 | 北京中诺德瑞工业科技有限公司 | Pneumatic ejection instantaneous opening device |
-
2011
- 2011-04-13 CN CN201110091865XA patent/CN102212972B/en not_active Expired - Fee Related
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| CN102212972A (en) | 2011-10-12 |
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