CN207351796U - A kind of bullet automatic filling device - Google Patents
A kind of bullet automatic filling device Download PDFInfo
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- CN207351796U CN207351796U CN201721199936.7U CN201721199936U CN207351796U CN 207351796 U CN207351796 U CN 207351796U CN 201721199936 U CN201721199936 U CN 201721199936U CN 207351796 U CN207351796 U CN 207351796U
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- bullet
- interlocking bar
- hinge
- ballistic projections
- rotating base
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Abstract
The utility model discloses a kind of bullet automatic filling device, including ballistic projections cylinder, several forward direction sliding support hinges and reverse slide filling hinge are equipped with the ballistic projections cylinder, the positive sliding support hinge includes the first rotating base, first rolling bearing, first rotates interlocking bar and smooth surface rolling pulley, the first rolling bearing is installed in first rotating base, first rolling bearing is connected with the first interlocking bar, smooth surface rolling pulley is installed on the end of the first interlocking bar, the first servomotor is equipped with first rotating base, the rotation of the first interlocking bar is driven by the first servomotor.The bullet automatic filling device of the utility model, triphasic bullet position sensor arrangement, it can not only ensure that bullet is filled to precalculated position, also friction and shock between ballistic projections cylinder, air storage chamber in bullet filling process can be ensured, security is higher, meets the requirement of rock dynamic test and regulation under the conditions of dynamic impulsion.
Description
Technical field
It the utility model is related to a kind of bullet automatic filling device, more particularly to the bullet of SHPB dynamic impact tests is automatic
Filling device.
Background technology
Split hopkinson bar (hereinafter referred to as SHPB) is material dynamic mechanical under a kind of research one-dimensional stress state
The efficiency test device of energy, can complete dynamic impulsion mechanics of the rock sample under high strain-rate by SHPB and test.Although
China conducts in-depth research in SHPB and its experiment, but still suffers from deficiency at present and be worth continuing to study it
Place：
(1) during SHPB experiments, in order to draw multigroup rock sample test data and curve, inevitably to more
Group rock sample is tested, therefore, when carrying out next group of rock sample SHPB experiment bullet filling, the fill surface of SHPB bullets
Face more problem.At present, most of filling of SHPB experiment bullets of the use such as many colleges and universities, scientific research institutions is filled out using manual
Fill, i.e., in the case where piston valve is opened, bullet is manually headed into using solid plastic stock by ballistic projections cylinder, SHPB experiments
Space narrow field, the gap between bullet and incident bar is also smaller, and the space that stock can be movable is also smaller, not only time-consuming to take
Power, and easily cause the abrasion of solid plastic stock rod piece and often purchase new stock to be tested, waste of resource.
(2) SHPB experiment bullets are headed into due to being that manually plastic molding and processing plant is dry, when bullet is adjacent to air storage chamber, even carved
The reduction of meaning is exerted oneself, and bullet reaches air storage chamber not under effect of inertia or under the thrust of solid plastic stock rod piece
The evitable shock that can be produced to air storage chamber, can cause impact to damage air storage chamber in the course of time, serious to cause gas storage
The serious consequences such as the gas leakage or destruction of room.But currently without can realize well SHPB experiment process neutron bomb fill out automatically
The device filled.
Utility model content
Purpose of utility model：In order to overcome the deficiencies in the prior art, it is automatic that the utility model provides a kind of bullet
Filling device, can solve the problems, such as that the bullet in rock sample SHPB experimentations is filled automatically, save experiment during because
Waste on time and manpower and materials caused by bullet is filled, and can prevent and avoid air storage chamber in experiment bullet filling process,
Cartridge inner wall and the damage and destruction for filling bullet.
Technical solution：In order to solve the above technical problems, the bullet automatic filling device of the utility model, including ballistic projections
Cylinder, the ballistic projections cylinder is interior to be equipped with several forward direction sliding support hinges and reverse slide filling hinge, and the forward direction is slided
Hinge is supported to include the first rotating base, the first rolling bearing, first rotate interlocking bar and smooth surface rolling pulley, described first turn
First rolling bearing is installed, the first rolling bearing is connected with the first interlocking bar, and smooth surface rolling pulley is installed on the in moving base
The end of one interlocking bar, the first rotating base is interior to be equipped with the first servomotor, passes through the first servomotor and drives the first interlocking bar
Rotation；The reverse slide filling hinge includes the second rotating base, the second rolling bearing, the second rotation interlocking bar and friction
Rolling pulley, is provided with the second rolling bearing in second rotating base, the second rolling bearing is connected with the second interlocking bar, rubs
The end that rolling pulley is installed on the second interlocking bar is wiped, the second servomotor is equipped with the second rotating base, passes through the second servo
Motor drives the rotation of the second interlocking bar, and bullet position sensor is provided with ballistic projections cylinder.
Preferably, being provided with several plastic plates on the ballistic projections cylinder, ballistic projections cylinder is divided into several parts.
Preferably, the positive sliding support hinge is along ballistic projections cylinder circle distribution, on ballistic projections cylinder every
A section is distributed with 10cm, and positive sliding support hinge is distributed with section, positive using ballistic projections cylinder minimum point as zero degree
Sliding support hinge is distributed in 60 °, 180 ° and 300 degree of position.
Preferably, the reverse slide fills hinge along ballistic projections cylinder circle distribution, it is distributed with section reversely
Slide filling hinge, using ballistic projections cylinder minimum point as zero degree, reverse slide filling hinge be distributed in 30 °, 90 °, 270 ° and
330 ° of position.
Preferably, the bullet position sensor is arranged in three stages, in the range of neighbouring air storage chamber direction 10cm,
One is arranged per 1cm；In the range of 10cm~30cm, one is arranged per 5cm；In the range of 30cm~50cm, arranged per 10cm
One, when bullet is run to 50cm, control system can be according to bullet position with ballistic projections and fill system
Change adjustment reverse slide filling hinge friction rolling pulley rolling speed, realizes the safety and nondestructive filling playback of bullet.
In the utility model, the orbits controlling servo-drive system include ballistic projections track servo control (A systems) and
Bullet filling SERVO CONTROL (B system), under A system models running track be defaulted as positive sliding support hinge play support and
The effect of lossless friction rock sample, the rolling bearing of forward direction sliding support hinge drive under orbits controlling servo system control
Smooth surface rolling pulley is promoted to roller distance of center circle inner wall 1.5cm by interlocking bar, and rotating direction can be emitted as up time with bullet
Pin direction；Running track is converted to reverse slide filling hinge and plays the role of support and fill automatically under B system pattern, instead
Drive interlocking bar that friction rolling pulley is promoted to the roller center of circle under orbits controlling servo system control to filling hinge is slided
Away from inner wall 1.5cm, then positive sliding support hinge drops to tangent with ballistic projections cylinder inner wall, and friction rolling pulley is along inverse
Hour hands roll, and drive bullet to realize automatic filling by the frictional force that all friction rolling pulleys produce on track.
In the utility model, after first time rock sample impact test, B system pattern is selected, reverse slide is filled out
Power drive the second rolling bearing work, the second rolling bearing can be provided by servo motor by filling the second rotating base in hinge
Drive the second interlocking bar that friction rolling pulley is promoted to specified altitude assignment, then smooth surface rolling pulley in positive sliding support hinge
Initial position can be returned under the effect of the first interlocking bar, reverse slide filling hinge drives under orbits controlling servo system control
Friction rolling pulley is promoted to roller distance of center circle inner wall 1.5cm by interlocking bar, and then positive sliding support hinge drops to and son
It is tangent to play launching tube inner wall, friction rolling pulley is filled between hinge and bullet along roll counter-clockwise by reverse slide
Frictional force realizes that bullet is filled automatically, and when bullet is filled into apart from air storage chamber position 50cm, bullet position sensor can basis
The change in location of bullet realizes that information feeds back to ballistic projections and fill system, and hinge is filled by the system call interception reverse slide
Friction rolling pulley rolling speed, ensure the filling playback of bullet safety and nondestructive.
After everything is ready, A system models are selected, forward direction slidably supports rotating base in hinge and can be carried by servo motor
Work for powered belt turn dynamic bearing, rolling bearing drives interlocking bar that smooth surface rolling pulley is promoted to specified altitude assignment, Ran Houzheng
Into sliding support hinge, smooth surface rolling pulley can return to initial position under interlocking bar effect, which is carried by servomotor
For kinetic energy.A system models, after ballistic projections, smooth surface rolling pulley only provides the effect of support bullet, is smooth between bullet
Section, ignores frictional force effect at this time.After having carried out a rock sample impact test, above operation is repeated, it is real
The automatic filling of existing bullet.The frictional force that friction rolling pulley provides is the major impetus that bullet is filled automatically, and smooth surface, which rolls, to be slided
Wheel is the main support device in bullet operational process.Rolling bearing provides the power of track change rail, bullet by servomotor
Position sensor ensures playbacking completely without damage filling for bullet.
Beneficial effect：The bullet automatic filling device of the utility model, triphasic bullet position sensor arrangement,
It can not only ensure that bullet is filled to precalculated position, can also ensure the friction in bullet filling process between ballistic projections cylinder
And shock, security is higher, meets the requirement of rock dynamic test and regulation under the conditions of dynamic impulsion.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structure diagram of positive sliding support hinge in the utility model.
Fig. 4 is the structure diagram that reverse slide fills hinge in the utility model
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
It is described as shown in Figure 1 to Figure 4, the bullet automatic filling device of the utility model, including ballistic projections cylinder 6, the bullet
Several plastic plates 14 are installed on launching tube 6, ballistic projections cylinder 6 is divided into several parts, is equipped with the ballistic projections cylinder 6
Several forward direction sliding support hinges 11 and reverse slide filling hinge 12, the positive sliding support hinge 11 include first turn
Moving base 15, the first rolling bearing 16, first rotate interlocking bar and smooth surface rolling pulley 18, pacify in first rotating base 15
Equipped with the first rolling bearing 16, the first rolling bearing 16 is connected with the first interlocking bar 17, and smooth surface rolling pulley 18 is installed on first
The end of interlocking bar 17, is equipped with the first servomotor in the first rotating base 15, passes through the first servomotor and drive first to link
The rotation of bar 17；The reverse slide filling hinge 12 includes the second rotating base, the second rolling bearing, the second rotation interlocking bar
With friction rolling pulley 19, the second rolling bearing, the second rolling bearing and the second linkage are installed in second rotating base
Bar connects, and friction rolling pulley 19 is installed on the end of the second interlocking bar, and the second servomotor is equipped with the second rotating base, leads to
The rotation that the second servomotor drives the second interlocking bar is crossed, bullet position sensor 10 is installed on ballistic projections cylinder 6.
In the utility model, the positive sliding support hinge 11 is along 6 circle distribution of ballistic projections cylinder, in ballistic projections
A section is distributed with every 10cm on cylinder 6, positive sliding support hinge 11 is distributed with section, it is minimum with ballistic projections cylinder 6
Point is zero degree, and forward direction sliding support hinge 11 is distributed in 60 °, 180 ° and 300 degree of position.The reverse slide fills hinge 12
Along 6 circle distribution of ballistic projections cylinder, reverse slide filling hinge 12 is distributed with section, using 6 minimum point of ballistic projections cylinder as
Zero degree, reverse slide filling hinge 12 are distributed in 30 °, 90 °, 270 ° and 330 ° of position.
In the utility model, the bullet position sensor 10 is arranged in three stages, according to neighbouring air storage chamber direction
In the range of 10cm, one is arranged per 1cm；In the range of 10cm~30cm, one is arranged per 5cm；In the range of 30cm~50cm,
One is arranged per 10cm, when bullet is run to 50cm, control system can basis with ballistic projections and fill system
12 friction rolling pulley of change adjustment reverse slide filling hinge, 19 rolling rate of bullet position, realizes the safety and nondestructive of bullet
Filling playback.
A kind of above-mentioned bullet for SHPB dynamic impact tests fills the application method of servomechanism installation automatically, including with
Lower step：
(1) install rock sample it is errorless after, whether the parameters and index of checkout facility instrument all go well；
(2) the first servomotor of orbits controlling servo system control works, and rolls smooth surface by the first interlocking bar 17 and slides
Take turns 18 and be adjusted to suitable position, bullet is put on smooth surface rolling pulley 18；
(2) the second servomotor of orbits controlling servo system control works, by the second interlocking bar by friction rolling pulley
19 are adjusted to suitable position, and friction rolling pulley 19 clamps bullet, are rotated by friction rolling pulley 19 and drive bullet to load；
(2) being forced into by compressed air source unit needs the air pressure size of bullet velocity；
(4) experiment all appts parameter index is checked again for, after confirmation is errorless, starts rock sample impact test；
(5) arrange the acquisition of checkout facility data and collect situation and preserve in time, clear up test site rock sample, peace
Fill new rock sample；
(6) (1)~(5) are repeated.
Claims (4)
- A kind of 1. bullet automatic filling device, it is characterised in that：It is equipped with including ballistic projections cylinder, in the ballistic projections cylinder some A positive sliding support hinge and reverse slide filling hinge, the positive sliding support hinge include the first rotating base, the One rolling bearing, first rotate interlocking bar and smooth surface rolling pulley, and the first rolling bearing is provided with first rotating base, First rolling bearing is connected with the first interlocking bar, and smooth surface rolling pulley is installed on the end of the first interlocking bar, the first rotating base The first servomotor is inside equipped with, the rotation of the first interlocking bar is driven by the first servomotor；The reverse slide fills hinge Interlocking bar and friction rolling pulley are rotated comprising the second rotating base, the second rolling bearing, second, in second rotating base Second rolling bearing is installed, the second rolling bearing is connected with the second interlocking bar, and friction rolling pulley is installed on the second interlocking bar End, is equipped with the second servomotor in the second rotating base, by the rotation of the second servomotor the second interlocking bar of drive, Bullet position sensor is installed on ballistic projections cylinder.
- 2. bullet automatic filling device according to claim 1, it is characterised in that：If it is provided with the ballistic projections cylinder Dry plastic plate, is divided into several parts by ballistic projections cylinder.
- 3. bullet automatic filling device according to claim 1, it is characterised in that：Positive sliding support hinge edge Launching tube circle distribution is played, a section is distributed with every 10cm on ballistic projections cylinder, positive slip branch is distributed with section Hinge is supportted, using ballistic projections cylinder minimum point as zero degree, forward direction sliding support hinge is distributed in 60 °, 180 ° and 300 degree of position.
- 4. bullet automatic filling device according to claim 3, it is characterised in that：Reverse slide filling hinge edge Launching tube circle distribution is played, reverse slide filling hinge is distributed with section, using ballistic projections cylinder minimum point as zero degree, reversely Slide the position that filling hinge is distributed in 30 °, 90 °, 270 ° and 330 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199936.7U CN207351796U (en) | 2017-09-18 | 2017-09-18 | A kind of bullet automatic filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199936.7U CN207351796U (en) | 2017-09-18 | 2017-09-18 | A kind of bullet automatic filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351796U true CN207351796U (en) | 2018-05-11 |
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ID=62410213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721199936.7U Active CN207351796U (en) | 2017-09-18 | 2017-09-18 | A kind of bullet automatic filling device |
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| CN (1) | CN207351796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323938A (en) * | 2018-11-23 | 2019-02-12 | 浙江大学 | A kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar |
-
2017
- 2017-09-18 CN CN201721199936.7U patent/CN207351796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323938A (en) * | 2018-11-23 | 2019-02-12 | 浙江大学 | A kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar |
| CN109323938B (en) * | 2018-11-23 | 2024-02-20 | 浙江大学 | Multi-stage bullet automatic loading and launching device applied to Hopkinson pressure bar |
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