CN103698227B - Screw rod and material technological temperature measurement mechanism in the molded process of spiral shell pressure propellant spiral shell - Google Patents
Screw rod and material technological temperature measurement mechanism in the molded process of spiral shell pressure propellant spiral shell Download PDFInfo
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- CN103698227B CN103698227B CN201310628959.5A CN201310628959A CN103698227B CN 103698227 B CN103698227 B CN 103698227B CN 201310628959 A CN201310628959 A CN 201310628959A CN 103698227 B CN103698227 B CN 103698227B
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Abstract
The invention discloses screw rod and material technological temperature determinator in the molded process of a kind of spiral shell pressure propellant spiral shell, comprise motor, guide spiro rod, stress loop sensor, pulling force connecting rod, bracket case, pressure transmission loop bar, sample stationary magazine creel, counterweight, constant temperature oven, frame, sample backstay and computing machine; Motor is connected with one end of guide spiro rod by turbine and worm; The other end and the stress loop sensor of guide spiro rod are spirally connected; Described frame is connected with motor by crossbeam; Constant temperature oven is installed at the middle part of frame, and the inside of described constant temperature oven can be incubated and can design temperature; Be provided with the stationary magazine creel of both ends open in constant temperature oven, one end of stationary magazine creel is fixed on constant temperature oven inwall, and the other end is passed by constant temperature oven sidewall horizontal; This device can test the variation relation of spiral shell pressure propellant temperature of charge and shearing force under specific rotation speeds and pressure, and this variation relation can instruct those skilled in the art to determine the technological temperature of spiral shell pressure propellant material and screw rod, and the safety realizing propellant is manufactured experimently.
Description
Technical field
The present invention relates to the device of a kind of test material temperature, rotating speed, pressure and shearing force Changing Pattern, particularly relate to the measurement mechanism of screw rod and material technological temperature in the molded process of a kind of spiral shell pressure propellant spiral shell.
Background technology
The fifties in last century the spiral shell pressure propellant molding technology thereof of China introduce from Russia, by the effort of several generations, we have grasped double base propellant and the modified double base propellant molding technology thereof containing a small amount of RDX, HMX, but technology theory fundamental research is weak, lack correlation means and the method for technical study, the design of technological parameter is entirely by experience.In recent years, the spiral shell pressure propellant with high solid content with advantages such as energy are high, density is large, combustion gas is cleaned is widely applied on weaponry, but due to the increase of high-energy solid filler in spiral shell pressure propellant with high solid content formula, bring great safety problem to processing and forming.China adds man-hour carrying out propellant with high solid content, and detonation repeatedly occurs and the security incident such as even to explode, cause great casualties and property loss, the safety problem of propellant with high solid content moulding process has become the bottleneck of this propellant technical research.
Find after deliberation, when the shearing force of spiral shell pressure propellant material is low, the material between screw rod and body is easily skidded by cutting off, and then causes friction, heating, generation accident.The size of shearing force then presses the technological temperature of material and screw rod in propellant forming process to decide by spiral shell, cannot know the variation relation of temperature of charge and shearing force before this, so material and extruder temperature are chosen by experience, have blindness.The Changing Pattern of probe temperature and shearing force size, finds suitable shearing force interval, reduces the thermal value in the molded process of propellant spiral shell, and be the requisite new technology of Novel spiral pressure propellant moulding process theory, this technology is still blank at home and abroad.
Therefore, design the measurement mechanism of screw rod and material technological temperature when a kind of spiral shell presses propellant spiral shell molded, the safe moulding process theory of research spiral shell pressure propellant with high solid content and process parameters design are of great practical significance, meanwhile, for the screw design of propellant with high solid content Novel spiral press and Design of Dies, there is higher reference value.
Summary of the invention
For the defect existed in above-mentioned prior art or deficiency, the object of the invention is to, a kind of spiral shell is provided to press screw rod and material technological temperature measurement mechanism in the molded process of propellant spiral shell, this device can test the variation relation of spiral shell pressure propellant temperature of charge and shearing force under specific rotation speeds and pressure, this variation relation can instruct those skilled in the art to determine the technological temperature of spiral shell pressure propellant material and screw rod, realizes the safety trial-production of propellant.
In order to achieve the above object, the present invention adopts following technical scheme to be solved:
Screw rod and material technological temperature determinator in the molded process of a kind of spiral shell pressure propellant spiral shell, comprise motor, guide spiro rod, stress loop sensor, pulling force connecting rod, bracket case, pressure transmission loop bar, sample stationary magazine creel, counterweight, constant temperature oven, frame, sample backstay and computing machine; Wherein:
Described motor is connected with one end of guide spiro rod by turbine and worm; The other end and the stress loop sensor of guide spiro rod are spirally connected; Described frame is connected with motor by crossbeam; Constant temperature oven is installed at the middle part of frame, and the inside of described constant temperature oven can be incubated and can design temperature; Be provided with the stationary magazine creel of both ends open in constant temperature oven, one end of stationary magazine creel is fixed on constant temperature oven inwall, and the other end is passed by constant temperature oven sidewall horizontal; Being provided with the outer wall coaxial with it in stationary magazine creel is stair-stepping sample stationary magazine creel, and one end that sample stationary magazine creel radius is larger is also fixed on the inwall of constant temperature oven, and one end that radius is less passes stationary magazine creel; One end outer cover that sample stationary magazine creel passes stationary magazine creel has the handle of a hat shape; The openend of handle is connected with stationary magazine creel, and the blind end of handle is provided with a dop line three-way hole;
Described stress loop sensor connects one end of sample backstay by pulling force connecting rod; Motor drives guide spiro rod rectilinear motion back and forth in the horizontal direction, and guide spiro rod pulls sample backstay rectilinear motion in the horizontal direction by stress loop sensor, and then drives pulling force pull bar rectilinear motion in the horizontal direction; The other end of sample backstay is successively through entering in sample stationary magazine creel after the sidewall of the through hole that frame is arranged and constant temperature oven; Sample stationary magazine creel inwall is stepped, its internal diameter is less than compared with the internal diameter of segment the external diameter that sample backstay enters one end of sample stationary magazine creel, thus defining the degree of depth that sample backstay enters sample stationary magazine creel, sample backstay can move around in larger section of the internal diameter of sample stationary magazine creel; Pulling force connecting rod, sample backstay, stationary magazine creel, sample stationary magazine creel and handle are coaxial; One end that sample backstay is positioned at sample stationary magazine creel is provided with a vertical sample mounting hole;
Be provided with vertical sleeve in constant temperature oven the first half, sleeve is connected with constant temperature oven outside; The sample stationary magazine creel of the corresponding position, two ends up and down of sample mounting hole is equipped with a vertical through hole, these two vertical through holes are all identical with the internal diameter of sleeve, sample mounting hole and four coaxial, and the vertical cavity that two vertical through holes and sample mounting hole are formed is for installing sample; The internal diameter of this cavity is equal with the external diameter of sample 30 and this cavity is equal with the height of sample;
Frame upper end installation bracket case; Bracket be arranged in bracket case and the two ends of bracket respectively from two of bracket case sidewalls arrange first vertically seam and second vertically stitch and pass; And the first vertical seam is equal with the cavity heights of bracket case with the second height vertically stitched; The middle part of two other sidewall of bracket case is provided with corresponding through hole, and bracket is arranged in bracket case by a rotating shaft through these two through holes, and bracket can rotate along the vertical plane of self around the shaft; One end of the close guide spiro rod of bracket is provided with handle; The other end of bracket is provided with the hook for hanging counterweight; Pressure transmission loop bar is connected with in the below of rotating shaft and the bracket between the one end of the bracket case linked up with;
Described pressure transmission loop bar comprises bracket pole, nut, push rod, sleeve and piston, and wherein, the upper end of described bracket pole connects bracket, and the lower end of bracket pole is spirally connected by nut the upper end of push rod, by rotating the whole height of the adjustable pressure transmission loop bar of push rod; The lower end of push rod connects the upper end of piston, and the lower end external diameter of piston equals the internal diameter of sleeve; Bracket pole, nut, push rod, sleeve, piston and sleeve are coaxial; The lower end of piston is positioned at sleeve, and piston can take out from sleeve;
Described motor, stress loop sensor are connected with computing machine respectively with constant temperature oven.
Further, fixed by register pin in the axial direction between described sample stationary magazine creel and stationary magazine creel.
Further, this end radial center of described sample backstay has the groove of an axis; This groove internal fixtion one bar, bar one end is arranged in groove, the other end is fixed with dop line, the other end of dop line passes the dop line three-way hole on sample stationary magazine creel and handle successively, and being externally connected with at handle the dop that a size is greater than dop line three-way hole, dop line is positioned at part outside handle by being located at the they sup-port in frame.
The advantage that the present invention has and effect as follows:
Coordinated by different turbine and worm assemblies and achieve at different shear rate (12.5 γ/mms
-1, 125 γ/mms
-1, 1250 γ/mms
-1) under test the cutting performance of material, by the insulation to constant temperature oven and the heating function to tested sample, realize temperature adjustable at 25 DEG C ~ 100 DEG C, thus the cutting performance of material under different temperatures environment can be tested, cutting performance by regulating the size of counterweight to realize material in test different loads mechanism in process of the test, processing diameter is different
sample putting hole can study the affecting laws of specimen size to material cutting performance.Computer controlled automatic process of the test, utilizes professional software to set the test parameterss such as shear rate, temperature, loading force, can carry out real-time collection and analyzing and processing to experimental data.After tested, the test result relative error of device of the present invention is less than 2%.
Below in conjunction with accompanying drawing and concrete enforcement technology, further explanation is explained to the present invention.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the syndeton schematic diagram of sample backstay and pressure transmission loop bar.
Fig. 3 is the structural representation of sample backstay.
Fig. 4 is the syndeton schematic diagram of bracket and pressure transmission loop bar.
Fig. 5 is the A-A view of Fig. 1.
Each label implication in figure: 1-motor; 2-guide spiro rod; 3-stress loop sensor; 4-pulling force connecting rod; 5-bracket case; 6-pressure transmission loop bar; 7-sample stationary magazine creel; 8-register pin; 9-handle; 10-counterweight; 11-constant temperature oven; 12-bracket; 13-frame; 14-sample backstay; 15-crossbeam; 16-support bar; 17-dop line; 18-nut; 19-handle; 20-first vertically stitches; 22-rotating shaft; 23-bracket pole; 24-second vertically stitches; 25-piston; 26-sleeve; 27-bar; 28-stationary magazine creel; 29-dop; 30-sample; 31-push rod; 32-sample mounting hole; 33-groove.
Embodiment
As shown in Figure 1, screw rod and material technological temperature determinator in the molded process of spiral shell pressure propellant spiral shell of the present invention, comprise motor 1, guide spiro rod 2, stress loop sensor 3, pulling force connecting rod 4, bracket case 5, pressure transmission loop bar 6, sample stationary magazine creel 7, counterweight 10, constant temperature oven 11, frame 13, sample backstay 14 and computing machine; Wherein:
Described motor 1 is connected by turbine and worm one end with guide spiro rod 2; The other end and the stress loop sensor 3 of guide spiro rod 2 are spirally connected; Described frame 13 is connected with motor 1 by crossbeam 15; Constant temperature oven 11 is installed at the middle part of frame 13, and the inside of described constant temperature oven 11 can be incubated and can design temperature; Be provided with the stationary magazine creel 28 of both ends open in constant temperature oven 11, one end of stationary magazine creel 28 is fixed on constant temperature oven 11 inwall, and the other end is passed by constant temperature oven 11 sidewall horizontal; Being provided with the outer wall coaxial with it in stationary magazine creel 28 is stair-stepping sample stationary magazine creel 7, one end that sample stationary magazine creel 7 radius is larger is also fixed on the inwall of constant temperature oven 11, one end that radius is less passes stationary magazine creel 28, is fixed in the axial direction between sample stationary magazine creel 7 and stationary magazine creel 28 by register pin 8; One end outer cover that sample stationary magazine creel 7 passes stationary magazine creel 28 has the handle 9 of a hat shape; The openend of handle 9 is connected with stationary magazine creel 28, and the blind end of handle 9 is provided with a dop line three-way hole.
Described stress loop sensor 3 connects one end of sample backstay 14 by pulling force connecting rod 4; Motor 1 drives guide spiro rod 2 rectilinear motion back and forth in the horizontal direction, and guide spiro rod 2 pulls sample backstay 14 rectilinear motion in the horizontal direction by stress loop sensor 3, and then drives pulling force pull bar 4 rectilinear motion in the horizontal direction; The other end of sample backstay 14 is successively through entering in sample stationary magazine creel 7 after the through hole of setting in frame 13 and the sidewall of constant temperature oven 11; Sample stationary magazine creel 7 inwall is stepped, its internal diameter is less than compared with the internal diameter of segment the external diameter that sample backstay 14 enters one end of sample stationary magazine creel 7, thus defining the degree of depth that sample backstay 14 enters sample stationary magazine creel 7, sample backstay 14 can move around in larger section of the internal diameter of sample stationary magazine creel 7; Pulling force connecting rod 4, sample backstay 14, stationary magazine creel 28, sample stationary magazine creel 7 and handle 9 five are coaxial; One end that sample backstay 14 is positioned at sample stationary magazine creel 7 is provided with a vertical sample mounting hole 32, and this end radial center of sample backstay 14 has the groove 33 of an axis; This groove 33 internal fixtion one bar 27, bar 27 one end is arranged in groove 33, the other end is fixed with dop line 17, the other end of dop line 17 passes the dop line three-way hole on sample stationary magazine creel 7 and handle 9 successively, and being externally connected with at handle 9 dop 29 that a size is greater than dop line three-way hole, the part that dop line is positioned at outside handle 9 is supported by the support bar 16 be located in frame 13; Dop line 17 makes after sample stationary magazine creel 7 shifts out frame 13 under the pulling force of pulling force connecting rod 4, can easily oppositely retract in sample stationary magazine creel 7 by sample stationary magazine creel 7; Dop 29 not easily passes for preventing dop line 17 to be drawn in sample stationary magazine creel 7 by sample stationary magazine creel 7.
Be provided with vertical sleeve 26 in constant temperature oven 11 the first half, sleeve 26 is connected with constant temperature oven 11 outside; The sample stationary magazine creel 7 of the corresponding position, two ends up and down of sample mounting hole 32 is equipped with a vertical through hole, these two vertical through holes are all identical with the internal diameter of sleeve 26, sample mounting hole 32 and four coaxial, and the vertical cavity that two vertical through holes and sample mounting hole 32 are formed is for installing sample 30; The internal diameter of this cavity is equal with the external diameter of sample 30 and this cavity is equal with the height of sample 30.
Frame 13 upper end installation bracket case 5; Bracket 12 be arranged in bracket case 5 and the two ends of bracket 12 respectively from two of bracket case 5 sidewalls arrange first vertically seam 20 and second vertically seam 24 pass; And the height of the first vertical seam 20 and the second vertical seam 24 is equal with the cavity heights of bracket case; The middle part of two other sidewall of bracket case 5 is provided with corresponding through hole, and bracket 12 is arranged in bracket case 5 by a rotating shaft 22 through these two through holes, and bracket 12 can 22 rotate along self vertical plane around the shaft; One end of the close guide spiro rod 2 of bracket 12 is provided with handle 19; The other end of bracket 12 is provided with the hook for hanging counterweight 10; Pressure transmission loop bar 6 is connected with in the below of rotating shaft 22 and the bracket 12 between the one end of the bracket case 5 linked up with;
Described pressure transmission loop bar 6 comprises bracket pole 23, nut 18, push rod 31, sleeve 26 and piston 25, wherein, the upper end of bracket pole 23 connects bracket 12, and the lower end of bracket pole 23 is spirally connected by nut 18 upper end of push rod 31, by rotating the whole height of the adjustable pressure transmission loop bar 6 of push rod 31; The lower end of push rod 31 connects the upper end of piston 25, and the lower end external diameter of piston 25 equals the internal diameter of sleeve 26; Bracket pole 23, nut 18, push rod 31, sleeve 26, piston 25 and sleeve 26 are coaxial; The lower end of piston 25 is positioned at sleeve 26, and piston 25 can take out from sleeve 26.
Described motor 1, stress loop sensor 3, constant temperature oven 11 are connected with computing machine respectively, and computing machine is used for carrying out Real-time Collection and analyzing and processing by professional software to test figure.
The course of work of the present invention and principle as follows:
First, downward pulling handle 19, bracket 12 22 rotates the one end making bracket 12 be provided with hook and moves upward around the shaft, thus the band pressure transmission loop bar 6 be automatically connected in below this end moves upward, make the lower end of piston 25 higher than sleeve 26, now in sample mounting hole 32, sample is installed by sleeve 26, unclamp handle 19 again, and needed for one end load test of bracket 5 counterweight 10, piston 25 is declined and enters sleeve 26, sample 30 in the vertical direction is pressed downward to sample mounting hole 32 by piston 25, and enter the vertical through hole of the bottom of sample stationary magazine creel 7, now piston is compacted downwards by counterweight, thus sample 30 is compressed.Sample backstay 4 one end is connected by screw thread and connecting rod 14, the other end plugs register pin 8 in case test sample moves horizontally, then heat temperature raising is carried out to constant temperature oven 11, when temperature reaches required test temperature and after constant temperature certain hour, to the controling parameters such as temperature, shear rate, loading counterweight size needed for computer input test, start test by computer starting motor, after test specimen is cut off, motor 1 quits work.
As shown in Figure 1, in process of the test, motor 1 drives guide spiro rod 2 level to left movement by turbine and worm, guide spiro rod 2 applies a horizontal pull to connecting rod 14 by stress loop sensor 3, connecting rod 14 and then drive sample backstay 4 move relative to pressure transmission loop bar 6 occurred level, realize the shearing of the corresponding position, piston 25 lower end of sample and pressure transmission loop bar 6, meanwhile, stress loop sensor 3 detects the shearing force acted on connecting rod 14 in real time and is transferred to computing machine; Shearing force equals the horizontal thrust that guide spiro rod 2 is applied to connecting rod 14 by stress loop sensor 3.Computer real-time acquisition data and controling parameters carry out Treatment Analysis, and make the change curve of shearing force with temperature, pressure, sample size and shear rate, and wherein, suffered by sample, the computing formula of shear resistance size is as follows:
In formula, τ is shear resistance (unit: N/mm
2), F is shearing force (unit: N), and D is the diameter (unit: mm) of sample.
In order to verify device of the present invention survey consistance and the accuracy of data, inventor utilizes temperature and the shearing force Changing Pattern of the spiral shell pressure propellant of device to test of the present invention 3 kinds of different solid contents, often organize sample and carried out 5 parallel experiments, test findings is as shown in table 1.In test, realize the control to constant temperature oven internal temperature by heat cycles water.
Table 1 test result
As can be seen from Table 1, the test result consistance of device of the present invention is good, and test result relative error is less than 2%.
In order to the diameter of development test temperature, shear rate, pressure, sample and spiral shell press the Changing Pattern of propellant shearing force, inventor utilizes device of the present invention to test 4 kinds of different solid content spiral shell pressure propellant samples respectively, and test findings is as shown in table 2.
Table 2 experimental test result
In table 2, test condition is the diameter D of temperature T, shear rate γ, pressure P and sample from top to bottom successively.Can find out from test result, the anti-shearing force of propellant material reduces along with the increase of temperature, and pressure is limited for the impact of anti-shearing force test result, and specimen size does not almost affect test result, and to same sample, shear rate is 125mms
-1time anti-shearing force test result maximum.The technological temperature of material and screw rod selects the mild moderate moisture of shearing force interval.
To sum up, by the detection of device of the present invention, the rule that the anti-shearing force that can obtain tested propellant material changes with temperature, pressure, shear rate and specimen size, and the suitable temperature range of safety test can be obtained.This safety for solid propellant development test with efficiently very have realistic meaning.
Claims (3)
1. screw rod and material technological temperature determinator in the molded process of spiral shell pressure propellant spiral shell, it is characterized in that, comprise motor (1), guide spiro rod (2), stress loop sensor (3), pulling force connecting rod (4), bracket case (5), pressure transmission loop bar (6), sample stationary magazine creel (7), counterweight (10), constant temperature oven (11), frame (13), sample backstay (14) and computing machine; Wherein:
Described motor (1) is connected by turbine and worm one end with guide spiro rod (2); The other end and the stress loop sensor (3) of guide spiro rod (2) are spirally connected; Described frame (13) is connected with motor (1) by crossbeam (15); Constant temperature oven (11) is installed at the middle part of frame (13), and the inside of described constant temperature oven (11) can be incubated and can design temperature; Be provided with the stationary magazine creel (28) of both ends open in constant temperature oven (11), one end of stationary magazine creel (28) is fixed on constant temperature oven (11) inwall, and the other end is passed by constant temperature oven (11) sidewall horizontal; Being provided with the outer wall coaxial with it in stationary magazine creel (28) is stair-stepping sample stationary magazine creel (7), one end that sample stationary magazine creel (7) radius is larger is also fixed on the inwall of constant temperature oven (11), and one end that radius is less passes stationary magazine creel (28); One end outer cover that sample stationary magazine creel (7) passes stationary magazine creel (28) has the handle (9) of a hat shape; The openend of handle (9) is connected with stationary magazine creel (28), and the blind end of handle (9) is provided with a dop line three-way hole;
Described stress loop sensor (3) connects one end of sample backstay (14) by pulling force connecting rod (4); Motor (1) drives guide spiro rod (2) rectilinear motion back and forth in the horizontal direction, guide spiro rod (2) pulls sample backstay (14) rectilinear motion in the horizontal direction by stress loop sensor (3), and then drives pulling force pull bar (4) rectilinear motion in the horizontal direction; The other end of sample backstay (14) is successively through entering in sample stationary magazine creel (7) after the through hole of the upper setting of frame (13) and the sidewall of constant temperature oven (11); Sample stationary magazine creel (7) inwall is stepped, its internal diameter is less than compared with the internal diameter of segment the external diameter that sample backstay (14) enters one end of sample stationary magazine creel (7), thus defining the degree of depth that sample backstay (14) enters sample stationary magazine creel (7), sample backstay (14) can move around in larger section of the internal diameter of sample stationary magazine creel (7); Pulling force connecting rod (4), sample backstay (14), stationary magazine creel (28), sample stationary magazine creel (7) and handle (9) five are coaxial; One end that sample backstay (14) is positioned at sample stationary magazine creel (7) is provided with a vertical sample mounting hole (32);
Be provided with vertical sleeve (26) in constant temperature oven (11) the first half, sleeve (26) is connected with constant temperature oven (11) outside; The sample stationary magazine creel (7) of the corresponding position, two ends up and down of sample mounting hole (32) is equipped with a vertical through hole, these two vertical through holes are all identical with the internal diameter of sleeve (26), sample mounting hole (32) and four coaxial, and the vertical cavity that two vertical through holes and sample mounting hole (32) are formed is for installing sample (30); The internal diameter of this cavity is equal with the external diameter of sample (30) and this cavity is equal with the height of sample (30);
Frame (13) upper end installation bracket case (5); Bracket (12) be arranged in bracket case (5) and the two ends of bracket (12) arrange from two sidewalls of bracket case (5) respectively first vertically stitch (20) and second and vertically stitch (24) and pass; And first vertically stitches (20) and second vertically to stitch the height of (24) equal with the cavity heights of bracket case; The middle part of two other sidewall of bracket case (5) is provided with corresponding through hole, bracket (12) is arranged in bracket case (5) by a rotating shaft (22) through these two through holes, and bracket (12) can (22) rotate along self vertical plane around the shaft; One end of the close guide spiro rod (2) of bracket (12) is provided with handle (19); The other end of bracket (12) is provided with the hook for hanging counterweight (10); Pressure transmission loop bar (6) is connected with in the below of rotating shaft (22) and the bracket (12) between the one end of the bracket case (5) linked up with;
Described pressure transmission loop bar (6) comprises bracket pole (23), nut (18), push rod (31), sleeve (26) and piston (25), wherein, the upper end of described bracket pole (23) connects bracket (12), the lower end of bracket pole (23) is spirally connected by nut (18) upper end of push rod (31), by rotating the whole height of push rod (31) adjustable pressure transmission loop bar (6); The lower end of push rod (31) connects the upper end of piston (25), and the lower end external diameter of piston (25) equals the internal diameter of sleeve (26); Bracket pole (23), nut (18), push rod (31), sleeve (26), piston (25) and sleeve (26) are coaxial; The lower end of piston (25) is positioned at sleeve (26), and piston (25) can take out from sleeve (26);
Described motor (1), stress loop sensor (3), constant temperature oven (11) are connected with computing machine respectively.
2. spiral shell presses screw rod and material technological temperature determinator in the molded process of propellant spiral shell as claimed in claim 1, it is characterized in that, is fixed in the axial direction between described sample stationary magazine creel (7) and stationary magazine creel (28) by register pin 8.
3. spiral shell presses screw rod and material technological temperature determinator in the molded process of propellant spiral shell as claimed in claim 1, it is characterized in that, the radial center being positioned at one end of sample stationary magazine creel (7) of described sample backstay (14) has the groove (33) of an axis; This groove (33) internal fixtion one bar (27), bar (7) one end is arranged in groove (33), the other end is fixed with dop line (17), the other end of dop line (17) passes the dop line three-way hole on sample stationary magazine creel (7) and handle (9) successively, and being externally connected with at handle (9) dop (29) that a size is greater than dop line three-way hole, dop line is positioned at handle (9) part outward and is supported by the support bar (16) be located in frame (13).
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| CN201310628959.5A CN103698227B (en) | 2013-11-28 | 2013-11-28 | Screw rod and material technological temperature measurement mechanism in the molded process of spiral shell pressure propellant spiral shell |
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| CN201310628959.5A CN103698227B (en) | 2013-11-28 | 2013-11-28 | Screw rod and material technological temperature measurement mechanism in the molded process of spiral shell pressure propellant spiral shell |
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| CN109596442A (en) * | 2018-12-10 | 2019-04-09 | 北京理工大学 | A kind of device for explosive column shearing force testing |
| CN114986887A (en) * | 2022-01-18 | 2022-09-02 | 南京焕型智剂医药科技有限公司 | Quantitative extrusion feeding head |
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| CN102990900A (en) * | 2012-11-15 | 2013-03-27 | 西安近代化学研究所 | Single screw extruder for forming propellant with high solid content |
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