CN210570215U - Clamping mechanism for bullet test - Google Patents
Clamping mechanism for bullet test Download PDFInfo
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- CN210570215U CN210570215U CN201921077591.7U CN201921077591U CN210570215U CN 210570215 U CN210570215 U CN 210570215U CN 201921077591 U CN201921077591 U CN 201921077591U CN 210570215 U CN210570215 U CN 210570215U
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Abstract
The utility model relates to a fixture is used in bullet test, including the rectangle bottom plate, set up the bearing frame in the bottom plate surface, motor fixed plate and two tight pieces of clamp of installing the rubber skin, be provided with the motor on the motor fixed plate, the action wheel, from the driving wheel, tight wheel and bolt rise, the action wheel is connected to the output of motor, closed cyclic annular hold-in range cup joints at the action wheel and from the driving wheel, the tight wheel that rises is connected to the hold-in range top, the lead screw both ends link to each other with from driving wheel and bearing frame respectively, the lead screw top is provided with two guiding axles, linear bearing and axle sleeve all cup joint on the guiding axle. The utility model provides a stable power source through the servo motor, realizes the clamping and loosening process by utilizing the motion characteristics of two sections of connected reverse threads, and has controllable clamping force; the clamping block is provided with the palm-shaped rubber sheet, so that the effects of buffering and skid resistance are achieved, the holding posture of manual shooting can be simulated, the test result is stable and reliable, and the test process is safer.
Description
Technical Field
The utility model belongs to the technical field of the bullet test technique and specifically relates to a fixture is used in bullet test.
Background
In the bullet test, shooting is not generally performed in a state of being manually held for the sake of stability and safety of shooting, and a structure for fixing the gun is required. Conventional clamping mechanisms are similar to bench-top clamps used by bench-top pliers to grip a firearm by rotating a handle. During shooting, if the clamping force is not enough, the gun body can generate larger displacement due to the high recoil of the gun, so that the test accuracy is greatly influenced; if the clamping force is too large, the gun drives the base to jump, and adverse effects are caused to the test. When the traditional test method is used, the difference between the clamping state and the handheld shooting state is large, and the gun test result and the actual shooting condition can not be stably matched frequently.
SUMMERY OF THE UTILITY MODEL
The applicant provides a fixture for bullet test to shortcoming among the above-mentioned prior art to can effectively prevent gun from skidding according to the shooting characteristic adjustment clamp force of different guns, and can simulate handheld shooting gesture, improve the stability of test result and the security of testing process.
The utility model discloses the technical scheme who adopts as follows:
a clamping mechanism for bullet tests comprises a bottom plate provided with a plurality of mounting holes, wherein the bottom plate is a rectangular flat plate, a bearing seat is arranged on one side of the surface of the bottom plate, a motor fixing plate is arranged on the other side of the surface of the bottom plate, two clamping blocks are arranged between the bearing seat and the motor fixing plate, and clamping rubber sheets used for contacting the surface of a gun are arranged on the opposite side surfaces of the adjacent clamping blocks; the inner side of the motor fixing plate is provided with a motor, the outer side of the motor fixing plate is provided with a driving wheel, a driven wheel and a tension wheel, the top of the motor fixing plate is provided with a bolt for fixing the tension wheel, the output end of the motor is connected with the driving wheel, a closed annular synchronous belt is sleeved on the driving wheel and the driven wheel, and the tension wheel is connected above the synchronous belt; one end of the screw rod is connected with the driven wheel, the other end of the screw rod penetrates through the motor fixing plate and the two clamping blocks to be connected with the bearing seat, two guide shafts are arranged above the screw rod and are sequentially connected with the motor fixing plate, the two clamping blocks and the bearing seat, one surface, close to the motor fixing plate, of each clamping block is connected with the linear bearing and the screw rod nut, one surface, close to the bearing seat, of each clamping block is connected with the shaft sleeve, the linear bearing and the shaft sleeve are all sleeved on the guide shafts, and the screw rod nut is screwed.
The further technical scheme is as follows:
one end of each clamping block, which is not contacted with the bottom plate, extends outwards to form a palm-shaped structure;
the shape of the clamping rubber sheet is matched with the shape of the palm-shaped structure of the clamping block;
two sections of threads with the same length and opposite rotation directions are symmetrically arranged on the screw rod;
one end of the feed screw nut is of a disc-shaped structure, a plurality of through holes are formed in the disc, the feed screw nut is in threaded connection with the clamping block through the through holes, the other end of the feed screw nut is of a cylindrical structure, the clamping block is provided with a through hole matched with the cylindrical structure of the feed screw nut, and internal threads are formed on the disc-shaped structure and the cylindrical structure of the feed screw nut together;
the output shaft of the motor is coaxial with the rotating axis of the driving wheel.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient operation, provides stable power source through the servo motor, realizes the processes of clamping and loosening by utilizing the motion characteristics of two sections of connected reverse threads, has clear principle and controllable clamping force; the palm-shaped rubber is arranged on the clamping block, so that the effects of buffering and skid resistance are achieved, the holding posture of manual shooting can be simulated, the defects that the clamping force of a traditional clamping mode is uncontrollable, and the clamping force is easy to slip and jump are overcome, the test result is more stable, and the test process is safer.
Drawings
Fig. 1 is a schematic perspective view of the motor side of the present invention.
Fig. 2 is a schematic perspective view of the clamping block side of the present invention.
Fig. 3 is a schematic plan view of the clamping block side of the present invention.
Figure 4 is a schematic view of the clamping block clamping gun of the present invention.
Wherein: 1. a base plate; 2. a bearing seat; 3. a screw rod; 4. a guide shaft; 5. a shaft sleeve; 6. a motor; 7. a motor fixing plate; 8. a driving wheel; 9. a tension wheel; 10. a bolt; 11. a synchronous belt; 12. a driven wheel; 13. a clamping block; 14. clamping the rubber sheet; 15. a linear bearing; 16. a feed screw nut; 17. the gun was tested.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 3, the utility model comprises a bottom plate 1 with a plurality of mounting holes, the bottom plate 1 is a rectangular flat plate, a bearing seat 2 is arranged on one side of the surface of the bottom plate 1, a motor fixing plate 7 is arranged on the other side of the surface of the bottom plate 1, two clamping blocks 13 are arranged between the bearing seat 2 and the motor fixing plate 7, and clamping rubber sheets 14 for contacting the surface of the gun are arranged on the opposite sides of the adjacent clamping blocks 13; the inner side of the motor fixing plate 7 is provided with a motor 6, the outer side of the motor fixing plate 7 is provided with a driving wheel 8, a driven wheel 12 and a tension wheel 9, the top of the motor fixing plate 7 is provided with a bolt 10 for fixing the tension wheel 9, the output end of the motor 6 is connected with the driving wheel 8, a closed annular synchronous belt 11 is sleeved on the driving wheel 8 and the driven wheel 12, and the tension wheel 9 is connected above the synchronous belt 11; 3 one end of lead screw with follow driving wheel 12 and link to each other, the other end passes motor fixed plate 7 and two blocks of clamp 13 and connects bearing frame 2, 3 tops of lead screw are provided with two guiding axles 4, guiding axle 4 connects gradually motor fixed plate 7, two blocks of clamp 13 and bearing frame 2, linear bearing 15 and screw-nut 16 are connected to the one side that is close to motor fixed plate 7 on every clamp 13, axle sleeve 5 is connected to the one side that every clamp 13 is close to bearing frame 2, linear bearing 15 and axle sleeve 5 all cup joint on guiding axle 4, screw-nut 16 closes soon on lead screw 3.
The end, which is not contacted with the bottom plate 1, of each clamping block 13 extends outwards to form a palm-shaped structure, the appearance of the clamping rubber sheet 14 is matched with the appearance of the palm-shaped structure in the clamping block 13, two sections of threads which are identical in length and opposite in rotation direction are symmetrically arranged on the screw rod 3, one end of the screw rod nut 16 is of a disc-shaped structure, a plurality of through holes are formed in the disc, the screw rod nut 16 is connected with the clamping blocks 13 through the through holes by screws, the other end of the screw rod nut 16 is of a cylindrical structure, the clamping block 13 is provided with through holes matched with the cylindrical structure of the screw rod nut 16, internal threads are jointly formed in the disc-shaped structure and the cylindrical structure of the screw rod nut 16, and the output.
When a gun needs to be clamped, the power supply is switched on, the motor 6 starts to work, clockwise or anticlockwise rotates according to a received instruction, the screw rod 3 is driven to rotate through the transmission of the driving wheel 8, the driven wheel 12 and the synchronous belt 11, and the rotating direction is the same as that of the motor 6. Because the screw rod 3 is symmetrically provided with two sections of threads with opposite turning directions, when the screw rod 3 rotates along one direction, the screw rod nuts 16 on the two clamping blocks 13 do linear motions with opposite directions on the screw rod 3, which are expressed as the opening and closing of the clamping blocks 13. Because the motor 6 is a servo motor, the control precision is high, and the clamping force can be accurately controlled according to preset parameters. Meanwhile, the gun is clamped in the area covered by the clamping rubber sheet 14, so that the effects of buffering and preventing sliding can be achieved when the gun is fired to generate strong recoil, and the gun test can be smoothly carried out. As shown in fig. 4, the palm-shaped structure is clamped on the handle part of the test gun 17, so that the holding posture of the gun during shooting can be simulated, the real gun use scene is restored to the maximum extent, and the palm-shaped structure is more stable and safer than a handheld design.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (6)
1. The utility model provides a fixture is used in bullet test, is including bottom plate (1) that is provided with multiple mounting hole, its characterized in that: the gun clamping device is characterized in that the bottom plate (1) is a rectangular flat plate, a bearing seat (2) is arranged on one side of the surface of the bottom plate (1), a motor fixing plate (7) is arranged on the other side of the surface of the bottom plate (1), two clamping blocks (13) are arranged between the bearing seat (2) and the motor fixing plate (7), and clamping rubber (14) for contacting the surface of a gun is arranged on the opposite side surfaces of the adjacent clamping blocks (13);
a motor (6) is arranged on the inner side of the motor fixing plate (7), a driving wheel (8), a driven wheel (12) and a tension wheel (9) are arranged on the outer side of the motor fixing plate (7), a bolt (10) for fixing the tension wheel (9) is arranged at the top of the motor fixing plate (7), the output end of the motor (6) is connected with the driving wheel (8), a closed annular synchronous belt (11) is sleeved on the driving wheel (8) and the driven wheel (12), and the tension wheel (9) is arranged above the synchronous belt (11) and is in surface contact with the synchronous belt (11);
lead screw (3) one end links to each other with following driving wheel (12), the other end passes motor fixed plate (7) and two blocks of clamp (13) and connects bearing frame (2), lead screw (3) top is provided with two guiding axles (4), every guiding axle (4) connects gradually motor fixed plate (7), two blocks of clamp (13) and bearing frame (2), linear bearing (15) and screw-nut (16) are connected to the one side that is close to motor fixed plate (7) on every block of clamp (13), axle sleeve (5) is connected to the one side that every block of clamp (13) is close to bearing frame (2), linear bearing (15) and axle sleeve (5) all cup joint on guiding axle (4), screw-nut (16) close soon is on lead screw (3).
2. The clamping mechanism for a cartridge test of claim 1, wherein: one end of each clamping block (13) which is not contacted with the bottom plate (1) extends outwards to form a palm-shaped structure.
3. The clamping mechanism for a cartridge test of claim 1, wherein: the shape of the clamping rubber (14) is matched with the shape of the palm-shaped structure in the clamping block (13).
4. The clamping mechanism for a cartridge test of claim 1, wherein: two sections of threads with the same length and opposite screwing directions are symmetrically arranged on the screw rod (3).
5. The clamping mechanism for a cartridge test of claim 1, wherein: one end of the screw rod nut (16) is of a disc-shaped structure, a plurality of through holes are formed in the disc, the screw rod nut (16) is in threaded connection with the clamping block (13) through the through holes, the other end of the screw rod nut (16) is of a cylindrical structure, the clamping block (13) is provided with through holes matched with the cylindrical structure of the screw rod nut (16), and internal threads are formed in the disc-shaped structure and the cylindrical structure of the screw rod nut (16) together.
6. The clamping mechanism for a cartridge test of claim 1, wherein: the output shaft of the motor (6) is coaxial with the rotating shaft center of the driving wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077591.7U CN210570215U (en) | 2019-07-10 | 2019-07-10 | Clamping mechanism for bullet test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077591.7U CN210570215U (en) | 2019-07-10 | 2019-07-10 | Clamping mechanism for bullet test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210570215U true CN210570215U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921077591.7U Active CN210570215U (en) | 2019-07-10 | 2019-07-10 | Clamping mechanism for bullet test |
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| Country | Link |
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| CN (1) | CN210570215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504005A (en) * | 2020-12-07 | 2021-03-16 | 四川华庆机械有限责任公司 | Light weapon frame seat capable of automatically aligning and bidirectionally clamping |
| CN114353605A (en) * | 2022-01-13 | 2022-04-15 | 东北大学 | Supercavitation bullet testing arrangement |
-
2019
- 2019-07-10 CN CN201921077591.7U patent/CN210570215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504005A (en) * | 2020-12-07 | 2021-03-16 | 四川华庆机械有限责任公司 | Light weapon frame seat capable of automatically aligning and bidirectionally clamping |
| CN112504005B (en) * | 2020-12-07 | 2022-10-28 | 重庆建设工业(集团)有限责任公司 | Light weapon frame base capable of automatically aligning and bidirectionally clamping |
| CN114353605A (en) * | 2022-01-13 | 2022-04-15 | 东北大学 | Supercavitation bullet testing arrangement |
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