CN111175063A - Throwing test device - Google Patents
Throwing test device Download PDFInfo
- Publication number
- CN111175063A CN111175063A CN202010014907.9A CN202010014907A CN111175063A CN 111175063 A CN111175063 A CN 111175063A CN 202010014907 A CN202010014907 A CN 202010014907A CN 111175063 A CN111175063 A CN 111175063A
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- Prior art keywords
- cutter
- rope
- throwing
- compression spring
- mounting seat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
Abstract
The invention discloses a scattering test device which comprises a base, a motor, a rope cutting device, a flywheel, a release cylinder, a scattering body mounting seat, a rope and a first compression spring, wherein the flywheel is fixedly connected to an output shaft of the motor; the release cylinder comprises a cylinder body, an upper cover and a lower fixing plate, and the upper cover is used for bearing a first compression spring which is vertically arranged; the rope cutting device comprises a cutter seat and a cutter; the part of the rope cut off by the cutter is exposed out of the barrel, and the upper end of the rope extends into the barrel and sequentially passes through the upper cover and the first compression spring to be connected with the throwing body mounting seat; the throwing body mounting seat is provided with a first limiting clamping groove, and the upper cover is provided with a first limiting boss. According to the invention, the throwing body is arranged on the throwing body mounting seat, the throwing body can be driven to rotate through the release cylinder, and the throwing body mounting seat and the throwing body can be released after the rope is cut off, so that the throwing tests of different throwing bodies and different rotation speed conditions can be simulated, and the device is convenient to operate, simple in mechanism, high in reliability and wide in application range.
Description
Technical Field
The invention belongs to the field of test devices, and particularly relates to a scattering test device.
Background
At present, when a target object is scattered by using a scattering device, the target object needs to be accurately scattered to a target area, so that required tasks can be completed, for example, required equipment and materials can be provided for personnel in the target area in real time, and the device can also be widely applied to life saving and fire extinguishing occasions.
The existing throwing device is basically only used for throwing a target object to a large area, the throwing of the target object is difficult to achieve accurate and fixed-point throwing, in order to determine the posture, distance, speed and other information of the throwing body, a test device is needed to carry out a simulation throwing test, the throwing body and the like are tested, so that the shape, weight, throwing rotation speed and other parameters of the throwing body are determined, and a basis is provided for accurate throwing of the target object.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides the throwing test device which is simple in structure, high in reliability and wide in application range and can simulate different throwing bodies and different rotation speed conditions.
To achieve the above object, according to one aspect of the present invention, there is provided a scattering test device characterized by comprising a base, a motor, a rope cutting device, a flywheel, a release cylinder, a scattering body mounting seat, a rope, and a first compression spring, wherein:
the motor is arranged on the base, an output shaft of the motor is arranged vertically upwards, and the output shaft of the motor is fixedly connected with the flywheel;
the release cylinder comprises a cylinder body, an upper cover and a lower fixing plate, the upper cover and the lower fixing plate are arranged on the cylinder body, the cylinder body is positioned above the flywheel and is fixedly arranged on the flywheel, and the upper cover is used for bearing the first compression spring which is vertically arranged;
the rope cutting device comprises a cutter seat arranged on the base and a cutter which is arranged on the cutter seat and can horizontally move so as to cut off the rope;
the part of the rope cut off by the cutter is exposed out of the barrel, the upper end of the rope extends into the barrel and sequentially penetrates through the upper cover and the first compression spring to be connected with the throwing body mounting seat, so that the throwing body mounting seat compresses the first compression spring, and the lower end of the rope extends into the barrel and is fixedly mounted on the lower fixing plate;
a first limiting clamping groove is formed in the throwing body mounting seat;
the upper cover is provided with a first limiting boss which is used for extending into the first limiting clamping groove so as to drive the throwing body mounting seat to rotate and limit the relative rotation of the throwing body mounting seat and the upper cover.
Preferably, a spring hole is formed in the cutter holder and a second compression spring is arranged in the spring hole;
the cutter comprises a cutter bar and a blade, the cutter bar is arranged at one end of the cutter bar and is used for cutting off a rope, the longitudinal direction of the cutter bar is consistent with the axial direction of the second compression spring, one end of the cutter bar, which is far away from the blade, is fixedly connected with the second compression spring, and a second limiting clamping groove is formed in the cutter bar;
a sliding groove serving as a moving channel of the cutter bar is arranged on the cutter seat;
the rope cutting device further comprises an electromagnet, an armature, a third compression spring and a limiting pin, wherein the electromagnet, the armature, the third compression spring and the limiting pin are mounted on the cutter holder, the second compression spring is located between the electromagnet and the armature and can be compressed by the armature after the electromagnet attracts the armature, and the limiting pin is mounted on the armature and used for being inserted into the second limiting clamping groove to limit the cutter bar after the cutter bar compresses the third compression spring.
Preferably, the cutter holder is provided with a second limit boss and a third limit boss which are arranged along the longitudinal direction of the cutter bar for limiting the moving stroke of the cutter bar, and the limit pin can be inserted into the second limit slot when the cutter bar contacts the second limit boss.
Preferably, the outer wall of the barrel is provided with an annular groove at a position corresponding to the cutter, so that the cutter can cut off the rope.
Preferably, the top of the upper cover is further provided with an outer conical surface with a small upper part and a large lower part, and the scattering body mounting seat is provided with an inner conical surface which is arranged at a position corresponding to the outer conical surface and is matched with the outer conical surface with a small upper part and a large lower part.
Preferably, the rope has a plurality of pieces and they are connected together by a rope connector.
Preferably, the cutter holder comprises a cutting device mounting bracket mounted on the base and a fixed seat hooped on the cutting device mounting bracket and locked together by a fastening device.
Preferably, the first limit slot is provided with a plurality of slots and arranged on the throwing body mounting seat in the circumferential direction, and correspondingly, the first limit boss is also provided with a plurality of slots.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1) the throwing body is arranged on the throwing body mounting seat, the throwing body can be driven to rotate through the release cylinder, and can be released after the rope is cut off, so that the throwing test of different throwing bodies and different rotation speed conditions can be simulated.
2) The invention controls the extension of the cutter to cut off the rope by the electromagnet and the limit pin, and has convenient and reliable control and high safety factor.
Drawings
Fig. 1 is an assembled front view of the present invention.
Fig. 2 is a schematic view of a rope cutting apparatus according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, a throwing test apparatus includes a base 9, a motor 10, a rope cutting device 1, a flywheel 8, a release reel 3, a throwing body mounting seat 4, a rope 7, and a first compression spring 5, wherein:
the motor 10 is installed on the base 9, an output shaft of the motor 10 is arranged vertically upwards, the output shaft of the motor 10 is fixedly connected with the flywheel 8, the rotation of the output shaft of the motor 10 can drive the flywheel 8 to rotate, rotary power is provided for simulating rotary scattering, and the rotating speed of the motor 10 can be controlled to simulate scattering tests under different rotating speed conditions;
the release cylinder 3 comprises a cylinder body 19, and an upper cover 20 and a lower fixing plate 21 which are arranged on the cylinder body 19, the upper cover 20 is positioned above the lower fixing plate 21, the cylinder body 19 is positioned above the flywheel 8 and is fixedly mounted on the flywheel 8 preferably through bolts, so that the rotation of the flywheel 8 can drive the cylinder body 19 to rotate, preferably, the upper cover 20, the lower fixing plate 21 and the cylinder body 19 are coaxially arranged, and the upper cover 20 receives the first compression spring 5 which is vertically arranged;
the rope cutting device 1 comprises a cutter seat 23 arranged on the base 9 and a cutter 24 which is arranged on the cutter seat 23 and can move horizontally so as to cut the rope, and the cutter 24 is used for cutting the rope 7;
the part of the rope 7 cut by the cutter 24 is exposed out of the cylinder 19, the upper end of the rope 7 extends into the cylinder 19 and sequentially passes through the upper cover 20 and the first compression spring 5 to be connected with the scattering body mounting seat 4, so that the scattering body mounting seat 4 compresses the first compression spring 5, a scattering body to be tested can be mounted on the scattering body mounting seat 4, and the lower end of the rope 7 extends into the cylinder 19 to be fixedly mounted on the lower fixing plate 21; preferably, the rope 7 may be a bungee cord having elasticity so as to be in a tight state after being connected to the scattering body mounting seat 4, and since a section of the rope 7 is exposed out of the cylinder 19, the exposed part of the section can be cut off by the cutter 24 so as to release the scattering body mounting seat 4, and the first compression spring 5 can bounce away the scattering body mounting seat 4 and the scattering body after being returned;
the throwing body mounting seat 4 is provided with a first limiting clamping groove, the upper cover 20 is provided with a first limiting boss 22 extending into the first limiting clamping groove to drive the throwing body mounting seat 4 to rotate and limit the relative rotation of the throwing body mounting seat 4 and the upper cover 20, and it should be noted that the first limiting boss 22 only limits the circumferential rotation of the throwing body mounting seat 4 relative to the upper cover 20, does not limit the upward movement of the throwing body mounting seat 4 relative to the upper cover 20, and cannot influence the normal upward bouncing away of the throwing body mounting seat 4 by the first compression spring 5.
Since the cutter 24 can be moved horizontally, the cutter 24 can be operated manually to cut the rope 7, or the cutter 24 can be driven by other driving means to cut the rope 7. For example, as a preference, the cutter holder 23 is provided with a spring hole and a second compression spring 12 is provided in the spring hole;
the cutter 24 comprises a cutter bar 13 and a blade 15 which is arranged at one end of the cutter bar 13 and is used for cutting off the rope 7, the longitudinal direction of the cutter bar 13 is consistent with the axial direction of the second compression spring 12, one end of the cutter bar 13 far away from the blade 15 is fixedly connected with the second compression spring 12, and a second limiting clamping groove is arranged on the cutter bar 13;
the cutter holder 23 is provided with a slide groove serving as a moving passage for the cutter bar 13, and a cover plate 14 is provided at a position corresponding to the slide groove to prevent the cutter 24 from falling off.
The rope cutting device 1 further comprises an electromagnet 18, an armature, a third compression spring 17 and a limit pin 16, wherein the electromagnet 18, the armature, the third compression spring 17 and the limit pin 16 are mounted on the cutter holder 23, the second compression spring 12 is located between the electromagnet 18 and the armature and can be compressed by the armature after the electromagnet 18 attracts the armature, and the limit pin 16 is mounted on the armature and used for being inserted into the second limit slot to limit the cutter rod 13 after the cutter rod 13 compresses the third compression spring 17.
The rope cutting device 1 of the present invention adopts the second compression spring 12 to push the cutter bar 13 to make linear motion, and adopts the electromagnet 18 to perform unlocking control. When the electromagnet 18 is powered off, the limiting pin 16 is inserted into the second limiting clamping groove of the cutter bar 13 under the action of the restoring force of the third compression spring 17 and the drive of the armature, and the cutter bar 13 is limited and locked; after the electromagnet 18 is electrified, the electromagnet 18 pulls out the limit pin 16 from the second limit clamping groove through the adsorption armature, the cutter bar 13 is unlocked, and the second compression spring 12 on the cutter bar 13 rapidly pushes the cutter bar 13 to move along the sliding groove to cut off the rope 7.
Further, a second limit boss and a third limit boss are provided on the cutter holder 23 and arranged along the longitudinal direction of the cutter bar 13 for limiting the moving stroke of the cutter bar 13, and the limit pin 16 can be inserted into the second limit slot when the cutter bar 13 contacts with the second limit boss. After the cutter 24 finishes cutting, the electromagnet 18 is powered off, then the cutter bar 13 is pushed manually, in the process, the limit pin 16 is always attached to the side face of the cutter bar 13, when the cutter bar 13 reaches the limit position contacting with the second limit boss, the limit pin 16 automatically enters the second limit clamping groove under the elastic action of the third compression spring 17, and the cutter bar 13 can be locked.
Further, the cutter holder 23 includes a cutting device mounting frame 2 and a fixing seat 11, the cutting device mounting frame 2 is mounted on the base 9 through bolts, the fixing seat 11 is hooped on the cutting device mounting frame and the two are locked together through a bolt fastening device.
Further, the outer wall of barrel 19 is in corresponding to cutter 24's position is equipped with the ring channel that is convenient for cutter 24 to cut off rope 7, and the ring channel can play the effect of stepping down, lets out some space and gives cutter 24, guarantees that cutter 24 can cut off the rope completely in the travel.
Further, the top of the upper cover 20 is further provided with an outer conical surface with a small top and a large bottom, and the scattering body mounting base 4 is provided with an inner conical surface which is provided with a small top and a large bottom and is matched with the outer conical surface at a position corresponding to the outer conical surface. The radial movement of the throwing body mounting seat 4 can be limited by the matching of the two conical surfaces, the quick separation of the throwing body mounting seat 4 and the upper cover 20 is also facilitated, the first compression spring 5 can push the throwing body mounting seat 4 to move upwards, and the throwing body mounting seat 4 and the throwing body on the same are separated from the limitation of the outer conical surface of the upper cover 20 and are thrown outwards under the action of centrifugal force.
Further, the rope 7 has a plurality of ropes and they are connected together by the rope connector 6, so that the ropes 7 with various lengths can be flexibly configured, and the cut ropes 7 can be connected together for use by the rope connector 6, thereby saving materials.
Further, the first limit catch groove is provided in plural and circumferentially arranged on the scattering body mounting seat 4, and correspondingly, the first limit projection 22 is also provided in plural, which effectively prevents the relative rotation between the scattering body mounting seat 4 and the upper cover 20.
The specific working process of the invention is as follows:
1) pushing the cutter bar 13 to make the limiting pin 16 lock the cutter bar 13;
2) the throwing body mounting seat 4 is arranged on the release cylinder 3 and is connected with the upper end of a rope 7, and the lower end of the rope 7 is connected with a lower fixing plate 21;
3) setting the rotating speed of the motor 10, and starting the motor 10 to stabilize the releasing cylinder 3 to the rotating speed required by the test;
4) the switch of the electromagnet 18 is turned on, the limit pin 16 releases the locking of the cutter bar 13, and the cutter 24 moves along the sliding groove to cut off the rope 7;
5) the throwing body mounting seat 4 loses the limitation of the axial freedom degree of the rope 7, the first compression spring 5 pushes the throwing body mounting seat 4 to move upwards, the throwing body mounting seat 4 is separated from the limitation of the upper cover 20, and the throwing body mounting seat 4 and the throwing body on the throwing body mounting seat are thrown outwards under the action of centrifugal force, so that a throwing test is completed.
The invention adopts the rope as the binding piece of the throwing body mounting seat 4, adopts the electromagnet and the compression spring as cutting unlocking power, adopts the motor as rotating power, has simple structure, convenient operation, high reliability and wide application range, can simulate the throwing tests of different throwing bodies and different rotating speed conditions, and can be widely applied to the throwing tests of different throwing bodies and various rotating conditions.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a throw test device which characterized in that, includes base, motor, rope cutting device, flywheel, release section of thick bamboo, throws body mount pad, rope and first compression spring, wherein:
the motor is arranged on the base, an output shaft of the motor is arranged vertically upwards, and the output shaft of the motor is fixedly connected with the flywheel;
the release cylinder comprises a cylinder body, an upper cover and a lower fixing plate, the upper cover and the lower fixing plate are arranged on the cylinder body, the cylinder body is positioned above the flywheel and is fixedly arranged on the flywheel, and the upper cover is used for bearing the first compression spring which is vertically arranged;
the rope cutting device comprises a cutter seat arranged on the base and a cutter which is arranged on the cutter seat and can horizontally move so as to cut off the rope;
the part of the rope cut off by the cutter is exposed out of the barrel, the upper end of the rope extends into the barrel and sequentially penetrates through the upper cover and the first compression spring to be connected with the throwing body mounting seat, so that the throwing body mounting seat compresses the first compression spring, and the lower end of the rope extends into the barrel and is fixedly mounted on the lower fixing plate;
a first limiting clamping groove is formed in the throwing body mounting seat;
the upper cover is provided with a first limiting boss which is used for extending into the first limiting clamping groove so as to drive the throwing body mounting seat to rotate and limit the relative rotation of the throwing body mounting seat and the upper cover.
2. A throwing test apparatus according to claim 1, wherein said cutter holder is provided with a spring hole and a second compression spring is provided in the spring hole;
the cutter comprises a cutter bar and a blade, the cutter bar is arranged at one end of the cutter bar and is used for cutting off a rope, the longitudinal direction of the cutter bar is consistent with the axial direction of the second compression spring, one end of the cutter bar, which is far away from the blade, is fixedly connected with the second compression spring, and a second limiting clamping groove is formed in the cutter bar;
a sliding groove serving as a moving channel of the cutter bar is arranged on the cutter seat;
the rope cutting device further comprises an electromagnet, an armature, a third compression spring and a limiting pin, wherein the electromagnet, the armature, the third compression spring and the limiting pin are mounted on the cutter holder, the second compression spring is located between the electromagnet and the armature and can be compressed by the armature after the electromagnet attracts the armature, and the limiting pin is mounted on the armature and used for being inserted into the second limiting clamping groove to limit the cutter bar after the cutter bar compresses the third compression spring.
3. A throwing test device according to claim 1, wherein a second limit projection and a third limit projection are provided on the cutter holder and arranged in the longitudinal direction of the cutter bar for limiting the moving stroke of the cutter bar, and the limit pin is inserted into the second limit catch groove when the cutter bar is in contact with the second limit projection.
4. A throwing test apparatus according to claim 1, wherein the outer wall of said barrel is provided with an annular groove at a position corresponding to said cutter for facilitating the cutter to cut the rope.
5. A throwing test device according to claim 1, wherein the top of said upper cover is further provided with an outer tapered surface having a small upper part and a large lower part, and said throwing body mounting seat is provided with an inner tapered surface having a small upper part and a large lower part corresponding to the outer tapered surface and engaging with said outer tapered surface.
6. A drop test device as claimed in claim 1, wherein the rope has a plurality of cords and they are connected together by rope connectors.
7. A throwing test apparatus according to claim 1, wherein said cutter holder comprises a cutting apparatus mounting bracket mounted on said base and a fixed seat hooped on said cutting apparatus mounting bracket and locked together by a fastening means.
8. A throwing test device according to claim 1, wherein said first limit catch groove is provided in plurality and circumferentially arranged on said throwing body mounting seat, and correspondingly, said first limit projection is also provided in plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014907.9A CN111175063B (en) | 2020-01-07 | 2020-01-07 | Throwing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014907.9A CN111175063B (en) | 2020-01-07 | 2020-01-07 | Throwing test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111175063A true CN111175063A (en) | 2020-05-19 |
| CN111175063B CN111175063B (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010014907.9A Active CN111175063B (en) | 2020-01-07 | 2020-01-07 | Throwing test device |
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| Country | Link |
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| CN (1) | CN111175063B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125293A (en) * | 2021-04-15 | 2021-07-16 | 徐工集团工程机械有限公司 | Fire extinguishing material throwing test device and fire extinguishing material throwing test method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390529A (en) * | 2014-12-12 | 2015-03-04 | 中国航天空气动力技术研究院 | Half-free flight shrapnel dispersion separation wind tunnel testing system |
| US20170276461A1 (en) * | 2016-03-25 | 2017-09-28 | Wrap Technologies, LLC | Entangling Projectiles and Systems for their Use |
| CN110329554A (en) * | 2019-08-13 | 2019-10-15 | 江西省国防科工办六二0单位 | Simulation environment under low pressure expansion falling sphere sheds the test method and device of separation |
-
2020
- 2020-01-07 CN CN202010014907.9A patent/CN111175063B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390529A (en) * | 2014-12-12 | 2015-03-04 | 中国航天空气动力技术研究院 | Half-free flight shrapnel dispersion separation wind tunnel testing system |
| US20170276461A1 (en) * | 2016-03-25 | 2017-09-28 | Wrap Technologies, LLC | Entangling Projectiles and Systems for their Use |
| CN110329554A (en) * | 2019-08-13 | 2019-10-15 | 江西省国防科工办六二0单位 | Simulation environment under low pressure expansion falling sphere sheds the test method and device of separation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125293A (en) * | 2021-04-15 | 2021-07-16 | 徐工集团工程机械有限公司 | Fire extinguishing material throwing test device and fire extinguishing material throwing test method |
| CN113125293B (en) * | 2021-04-15 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | Fire extinguishing material scattering test device and fire extinguishing material scattering test method |
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| Publication number | Publication date |
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| CN111175063B (en) | 2021-07-23 |
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