CN211601754U - Shot pendulum error measuring device - Google Patents
Shot pendulum error measuring device Download PDFInfo
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- CN211601754U CN211601754U CN201922190090.6U CN201922190090U CN211601754U CN 211601754 U CN211601754 U CN 211601754U CN 201922190090 U CN201922190090 U CN 201922190090U CN 211601754 U CN211601754 U CN 211601754U
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Abstract
The utility model provides a projectile run-out measuring device, which comprises a base, a supporting component, a pressing component, an axial positioning piece and a measuring meter; the support assembly is arranged on the base and is provided with two axially parallel support rollers which are arranged at intervals and used for supporting the shot; the pressing assembly is arranged on the base and positioned on one side of the supporting assembly and used for pressing the shot; the axial positioning piece is arranged on the base, is positioned on the other side of the supporting component and is used for abutting against the end surface of the projectile; the measuring meter is arranged on the base and used for measuring the swing error of the shot. The utility model provides a projectile run-out measuring device, when measuring the run-out, the measurement reference position of projectile is placed between two backing rolls, and the tip of projectile is suppressed from the top to the suppression subassembly to avoid appearing because the phenomenon that the centre of gravity of projectile deviates from the center and topples over; the utility model provides a shot run-out measuring device is applicable to the run-out of measuring the ball that focus, measuring basis are located the center both sides respectively.
Description
Technical Field
The utility model belongs to the technical field of shot geometry measuring equipment, more specifically say, relate to a shot run-out measuring device.
Background
The projectile is an important component of a bullet and is structured as shown in fig. 1, and after the assembly of the projectile is completed, it is required to measure the run-out deviation at a position a on one side of the center as a reference and at a position B on the other side of the center. A conventional swing error measuring device simulates a reference axis by using two V-shaped supporting blocks, a shot part is placed on the V-shaped supporting blocks, and a dial indicator is used for detecting the swing error at a position B. For some types of warheads, the center of gravity of the projectile is close to the position B and is not in the reference range A due to the large mass of the front part (or the rear part) of the projectile, and if a double V-shaped block structure is still adopted as a support in the reference range, the projectile can topple due to unbalance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shot run-out measuring device aims at solving the technical problem that the shot run-out that exists can not be supported by the balance when measuring among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a shot run out measuring apparatus comprising:
a base;
the supporting assembly is arranged on the base and is provided with two axially parallel supporting rollers which are arranged at intervals and used for supporting the shot;
the pressing assembly is arranged on the base, is positioned on one side of the supporting assembly and is used for pressing the shot;
the axial positioning piece is arranged on the base, is positioned on one side of the supporting assembly, which is far away from the pressing assembly, and is used for abutting against the end surface of the shot so as to axially position the shot; and
the measuring meter is arranged on the base and used for measuring the swing error of the shot.
As another embodiment of the present invention, the pressing assembly is provided with two axially parallel pressing rollers arranged at intervals; two of the compression rollers are used to compress the ends of the projectile.
As another embodiment of the present invention, the pressing assembly includes:
the bracket is arranged on the base;
the two first fixed shafts are respectively arranged on the bracket;
the two first bearings correspond to the first fixed shafts one by one and are sleeved on the first fixed shafts; the outer ring of the first bearing is the pressing roller.
As another embodiment of the present invention, the pressing assembly further comprises:
two groups of first bearing seats which correspond to the first bearings one by one and are respectively arranged on the bracket at intervals; the first bearing seat is provided with a first embedded groove with a downward opening, and the first bearing is positioned in the first embedded groove and protrudes downwards out of the first embedded groove; the first fixing shaft is arranged on the bracket through the first bearing seat, and two ends of the first fixing shaft respectively penetrate through the first bearing seat.
As another embodiment of the present invention, first retaining rings are respectively disposed between the two end surfaces of the first bearing and the first bearing seat.
As another embodiment of the present invention, a first annular table is disposed at one end of the first fixing shaft, and an end surface of the first annular table abuts against an end surface of the first bearing seat; and the other end of the first fixed shaft is in threaded connection with a first fastening nut.
As another embodiment of the present invention, the support assembly includes:
the supporting table is arranged on the base;
the two second fixed shafts are respectively arranged on the supporting platform;
the two second bearings correspond to the second fixed shafts one by one and are sleeved on the second fixed shafts; the outer ring of the second bearing is the supporting roller.
As another embodiment of the present invention, the supporting component further includes:
two groups of second bearing seats which correspond to the second bearings one by one and are respectively arranged on the supporting platform at intervals; a second embedded groove with an upward opening is formed in the second bearing seat, and the second bearing is located in the second embedded groove and protrudes upwards out of the second embedded groove; the second fixed shaft is arranged on the supporting table through the second bearing seat, and two ends of the second fixed shaft respectively penetrate through the second bearing seat.
As another embodiment of the present invention, second retaining rings are respectively disposed between the two end surfaces of the second bearing and the second bearing seat.
As another embodiment of the present invention, a second annular table is disposed at one end of the second fixing shaft, and an end surface of the second annular table abuts against an end surface of the second bearing seat; and the other end of the second fixed shaft is in threaded connection with a second fastening nut.
As another embodiment of the present invention, the axial positioning member includes a positioning plate fixedly disposed on the base along a direction perpendicular to the upper surface of the base.
As another embodiment of the present invention, the measuring meter is a dial indicator.
The utility model provides a shot run-out measuring device's beneficial effect lies in: compared with the prior art, the shot run-out measuring device of the utility model has the advantages that two support rollers of the support component are axially parallel and arranged at intervals, and a space for supporting the shot is formed between the two support rollers; when the runout is measured, the measuring reference part of the shot is placed between the two supporting rollers, and the pressing assembly presses the end part of the shot from the upper part, so that the phenomenon of toppling over due to the fact that the gravity center of the shot deviates from the center is avoided; the utility model provides a shot run-out measuring device is applicable to the run-out of measuring the ball that focus, measuring basis are located the center both sides respectively.
Drawings
FIG. 1 is a schematic diagram of a prior art projectile in structure;
fig. 2 is a schematic structural view of a shot run-out measuring device provided in an embodiment of the present invention;
FIG. 3 is a schematic side view of the shot run-out measurement apparatus of FIG. 2;
FIG. 4 is a schematic diagram of a modular top view of the projectile runout measurement apparatus of FIG. 2;
fig. 5 is a schematic structural diagram of a pressing assembly of the shot run-out measuring device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a support assembly of the shot run-out measuring device according to an embodiment of the present invention.
In the figure: 1. a base; 2. a support assembly; 20. a support roller; 21. a support table; 22. a second fixed shaft; 221. a second ring table; 23. a second bearing; 24. a second bearing housing; 241. a second embedded groove; 25. a second retainer ring; 26. a second fastening nut; 3. pressing the assembly; 30. pressing rollers; 31. a support; 32. a first fixed shaft; 321. a first ring table; 33. a first bearing; 34. a first bearing housing; 341. a first embedded groove; 35. a first retainer ring; 36. a first fastening nut; 4. an axial positioning member; 40. positioning a plate; 41. a connecting plate; 5. a measuring meter; 6. and (6) making pills.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 6, a shot run-out measuring device according to the present invention will now be described. The shot pendulum error measuring device comprises a base 1, a supporting component 2, a pressing component 3, an axial positioning piece 4 and a measuring meter 5.
The supporting component 2 is arranged on the base 1 and is provided with two axially parallel supporting rollers 20 arranged at intervals, and the two supporting rollers 20 are used for supporting the shot 6. The pressing component 3 is arranged on the base 1 and is positioned at the rear side of the supporting component 2 and used for pressing the shot 6. The axial positioning piece 4 is arranged on the base 1 and positioned at the front side of the supporting component 2 and used for being abutted against the end face of the projectile 6. The measuring instrument 5 is arranged on the base 1 and used for measuring the swing tolerance of the shot 6.
The utility model provides a shot run-out measuring device, the structure that is applicable to measuring shot 6 is the focus, measures the both sides that the benchmark lies in the center respectively. Specifically, the structure of the projectile 6 is as shown in fig. 1, the mass of the front portion of the projectile 6 is large, the center of gravity thereof is located at the front portion, the measurement reference position of the projectile 6 is a position a shown in fig. 1 (a position with the center being set back), and the position where the runout is measured is a position B shown in fig. 1 (a position with the front end being set back). Of course, the utility model discloses still can measure the focus of shot 6 and be located the rear portion, measurement reference position A is located the center position forward partially, measures the position B of run-out deviation and is located the rear end position forward partially.
Specifically, the measuring gauge 5 in this embodiment is a dial gauge, and the dial gauge is used to measure whether the radial runout (i.e., the runout) of the shot 6 at the position B meets the manufacturing requirements. The use of a dial indicator to measure the run-out tolerance is prior art and will not be described in detail herein.
The utility model provides a shot run-out measuring device, during the use, the measurement benchmark position A of shot 6 is placed between two backing rolls 20, and suppression subassembly 3 is from the tip of top suppression shot 6, and during the measurement, the peak of B department of shot 6 is aimed at to measuring gauge 5, and shot 6 rotates a week at the uniform velocity, and whether the range of beating of looking over the percentage table pointer satisfies the numerical value of regulation can.
Compared with the prior art, the shot run-out measuring device provided by the utility model has the advantages that the measuring reference position of the shot 6 is placed between the two supporting rollers 20, and the end part of the shot 6 is pressed from the upper part by the pressing component 3, so that the phenomenon that the shot 6 is toppled due to the fact that the gravity center of the shot 6 deviates from the center can be avoided, and the balance of the shot 6 during measurement can be ensured; in addition, the two supporting rollers 20 are used for supporting the projectile 6, when the projectile 6 is rotated, the friction between the projectile 6 and the supporting rollers 20 is rolling friction, the friction force is small, scratches of the projectile 6 can be avoided, and the operation of rolling the projectile 6 is time-saving and labor-saving.
Referring to fig. 2 and 5, as a specific embodiment of the shot run-out measuring device of the present invention, the pressing assembly 3 is provided with two pressing rollers 30 axially parallel and spaced apart from each other; two compression rollers 30 are used to compress the ends of the projectile 6.
Specifically, the pressing rollers 30 are axially parallel to the support rollers 20, the two pressing rollers 30 are axially parallel and spaced apart, and a space for pressing the pellets 6 is formed between the two pressing rollers 30. The compacting roller 30 presses the end of the shot 6 when the shot 6 is measured, to avoid the end of the shot 6 from tilting upwards.
In addition, when the projectile 6 is rotated, the friction between the projectile 6 and the pressing roller 30 is rolling friction, the friction force is small, the projectile 6 can be prevented from being scratched, and the operation of rolling the projectile 6 is time-saving and labor-saving.
Referring to fig. 2 and 5, on the basis of the above embodiment, the pressing assembly 3 includes a bracket 31, two first fixing shafts 32, and two first bearings 33. The axial directions of the two first fixing shafts 32 are both parallel to the pressing roller 30, and the two first fixing shafts 32 are arranged on the bracket 31 at intervals; the two first bearings 33 correspond to the first fixed shafts 32 one by one and are sleeved on the first fixed shafts 32; specifically, the first fixed shaft 32 and the first bearing 33 are in transition fit. The outer ring of the first bearing 33 is the above-mentioned pressing roller 30.
The first bearing 33 is used for pressing the projectile 6, the first bearing 33 and the first fixed shaft 32 are processed and manufactured according to the matching requirement of the shaft and the bearing, the fixed connection mode is safe and reliable, the outer ring of the first bearing 33 (namely the pressing roller 30) can not move radially, and further the projectile 6 can be ensured to be in a stable measuring state all the time; in addition, when the projectile 6 is rotated, the outer ring of the first bearing 33 can rotate along with the projectile after being subjected to extrusion force, so that the rotating friction force of the projectile 6 is further reduced, and the projectile 6 is further prevented from being scratched.
Referring to fig. 2 and 5, in addition to the above embodiment, the pressing assembly 3 further includes two sets of first bearing seats 34. The two sets of first bearing seats 34 correspond to the first bearings 33 one by one, and are disposed on the bracket 31 at intervals. The first bearing seat 34 is provided with a first insertion groove 341 with a downward opening, and the first bearing 33 is located in the first insertion groove 341 and protrudes downward from the first insertion groove 341. The first fixing shaft 32 is disposed on the bracket 31 through a first bearing housing 34, and both ends of the first fixing shaft 32 pass through the first bearing housing 34, respectively.
Specifically, support 31 includes vertical support column and horizontal connecting plate, and the bolt fastening is passed through on base 1 in the bottom of vertical support column, and the bolt fastening is also passed through at the top of vertical support column in the one end of horizontal connecting plate, and the other end of horizontal connecting plate extends to supporting component 2's direction.
The two first bearing seats 34 are fixed on the horizontal connecting plate by bolts, respectively, and the first bearing seats 34 are located below the horizontal connecting plate. The first fixed shaft 32 is indirectly connected with the bracket 31 through the first bearing housing 34.
The first fixing shaft 32 and the first bearing 33 are fixed by using a bearing seat, the fixing connection mode is safe and reliable, the assembly with the bracket 31 is convenient, and in addition, the first bearing 33 can be further ensured not to move radially.
Referring to fig. 5, on the basis of the above embodiment, first retaining rings 35 are respectively disposed between two end surfaces of the first bearing 33 and the first bearing seat 34, and the first retaining rings 35 protect the first bearing 33 to prevent axial interference or collision between the first bearing 33 and the first bearing seat 34.
Referring to fig. 2 and fig. 5, in the above embodiment, a first annular table 321 is disposed at one end of the first fixing shaft 32, and an end surface of the first annular table 321 abuts against an end surface of the first bearing seat 34; the other end of the first fixed shaft 32 is threadedly coupled with a first fastening nut 36. After the first stationary shaft 32 is assembled with the first bearing housing 34, the first ring platform 321 and the first fastening nut 36 cooperate to limit the axial position of the first stationary shaft 32 to prevent the first stationary shaft 32 and the first bearing 33 from moving axially.
Referring to fig. 2 and 6, as a specific embodiment of the shot run-out measuring device provided by the present invention, the supporting assembly 2 includes a supporting platform 21, two second fixing shafts 22, and two second bearings 23. The supporting table 21 is arranged on the base 1; the two second fixed shafts 22 are respectively arranged on the support table 21; the two second bearings 23 correspond to the second fixing shafts 22 one by one, and are sleeved on the second fixing shafts 22, specifically, the second fixing shafts 22 and the second bearings 23 are in transition fit. The outer ring of the second bearing 23 is the support roller 20.
The second bearing 23 is used for supporting the shot 6, the second bearing 23 and the second fixed shaft 22 are processed and manufactured according to the matching requirement of the shaft and the bearing, the fixed connection mode is safe and reliable, the outer ring (namely the supporting roller 20) of the second bearing 23 can be prevented from moving radially, and the shot 6 can be further ensured to be in a stable measuring state all the time; in addition, when the projectile 6 is rotated, the outer ring of the second bearing 23 can rotate along with the projectile after being subjected to extrusion force, so that the rotating friction force of the projectile 6 is further reduced, and the projectile 6 is further prevented from being scratched.
Referring to fig. 2 and fig. 6, based on the above embodiment, the supporting assembly 2 further includes two sets of second bearing seats 24. The two sets of second bearing seats 24 correspond to the second bearings 23 one by one, and are respectively disposed on the support platform 21 at intervals. A second insertion groove 241 with an upward opening is formed in the second bearing seat 24, and the second bearing 23 is located in the second insertion groove 241 and protrudes upward out of the second insertion groove 241; the second stationary shaft 22 is indirectly disposed on the support table 21 through a second bearing housing 24, and both ends of the second stationary shaft 22 pass through the second bearing housing 24, respectively.
Specifically, the support table 21 is fixed to the base 1 by bolts. The two sets of second bearing blocks 24 are fixed to the support table 21 by bolts, respectively.
The second fixing shaft 22 and the second bearing 23 are fixed by using a bearing seat, the fixing connection mode is safe and reliable, the assembly with the support table 21 is facilitated, and in addition, the radial movement of the second bearing 23 can be further prevented.
Referring to fig. 6, on the basis of the above embodiment, second retaining rings 25 are respectively disposed between two end surfaces of the second bearing 23 and the second bearing seat 24, and the second retaining rings 25 protect the second bearing 23 to prevent axial interference or collision between the second bearing 23 and the second bearing seat 24.
Referring to fig. 2 and fig. 6, on the basis of the above embodiment, two ends of the second fixing shaft 22 respectively penetrate through the second bearing seat 24, wherein one end of the second fixing shaft 22 is provided with a second annular platform 221, and an end surface of the second annular platform 221 abuts against an end surface of the second bearing seat 24; the other end of the second fixed shaft 22 is threadedly connected with a second fastening nut 26. After the second stationary shaft 22 is assembled with the second bearing housing 24, the second ring table 221 and the second fastening nut 26 cooperate to limit the axial position of the second stationary shaft 22 to prevent the second stationary shaft 22 and the second bearing 23 from moving axially.
Referring to fig. 2, as a specific embodiment of the shot-run-out measuring device provided by the present invention, the axial positioning member 4 includes a positioning plate 40 fixedly disposed on the base 1 along a direction perpendicular to the upper surface of the base 1.
Specifically, the axial positioning member 4 further includes a connecting plate 41 integrally formed with the positioning plate 40, the positioning plate 40 and the connecting plate 41 form an L-shaped structure, and the connecting plate 41 is fixed on the base 1 by bolts. In order to enhance the strength of the axial positioning member 4, an inclined rib is further disposed between the positioning plate 40 and the connecting plate 41.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Shot run-out measuring device, its characterized in that includes:
a base;
the supporting assembly is arranged on the base and is provided with two axially parallel supporting rollers which are arranged at intervals and used for supporting the shot;
the pressing assembly is arranged on the base, is positioned on one side of the supporting assembly and is used for pressing the shot;
the axial positioning piece is arranged on the base, is positioned on one side of the supporting assembly, which is far away from the pressing assembly, and is used for abutting against the end surface of the shot so as to axially position the shot; and
the measuring meter is arranged on the base and used for measuring the swing error of the shot.
2. The projectile runout measuring device of claim 1, wherein the hold-down assembly is provided with two axially parallel hold-down rollers spaced apart; two of the compression rollers are used to compress the ends of the projectile.
3. The projectile runout measuring device of claim 2, wherein the hold-down assembly comprises:
the bracket is arranged on the base;
the two first fixed shafts are respectively arranged on the bracket;
the two first bearings correspond to the first fixed shafts one by one and are sleeved on the first fixed shafts; the outer ring of the first bearing is the pressing roller.
4. The shot run length measurement apparatus of claim 3, wherein the hold-down assembly further comprises:
two groups of first bearing seats which correspond to the first bearings one by one and are respectively arranged on the bracket at intervals; the first bearing seat is provided with a first embedded groove with a downward opening, and the first bearing is positioned in the first embedded groove and protrudes downwards out of the first embedded groove; the first fixing shaft is arranged on the bracket through the first bearing seat, and two ends of the first fixing shaft respectively penetrate through the first bearing seat.
5. A projectile runout measuring device as claimed in claim 4, wherein first retaining rings are provided between the end faces of the first bearing and the first bearing seat, respectively.
6. The shot run out measurement apparatus of claim 4, wherein: a first annular table is arranged at one end of the first fixed shaft, and the end face of the first annular table is abutted against the end face of the first bearing seat; and the other end of the first fixed shaft is in threaded connection with a first fastening nut.
7. The projectile runout measuring device of claim 1, wherein the support assembly comprises:
the supporting table is arranged on the base;
the two second fixed shafts are respectively arranged on the supporting platform;
the two second bearings correspond to the second fixed shafts one by one and are sleeved on the second fixed shafts; the outer ring of the second bearing is the supporting roller.
8. The projectile runout measuring device of claim 7, wherein the support assembly further comprises:
two groups of second bearing seats which correspond to the second bearings one by one and are respectively arranged on the supporting platform at intervals; a second embedded groove with an upward opening is formed in the second bearing seat, and the second bearing is located in the second embedded groove and protrudes upwards out of the second embedded groove; the second fixed shaft is arranged on the supporting table through the second bearing seat, and two ends of the second fixed shaft respectively penetrate through the second bearing seat.
9. A projectile hunting measuring device according to claim 8, wherein second retaining rings are provided between both end faces of said second bearing and said second bearing seat, respectively.
10. A projectile hunting measuring device according to claim 8, wherein a second annular table is provided at one end of said second stationary shaft, an end surface of said second annular table abutting against an end surface of said second bearing housing; and the other end of the second fixed shaft is in threaded connection with a second fastening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922190090.6U CN211601754U (en) | 2019-12-09 | 2019-12-09 | Shot pendulum error measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922190090.6U CN211601754U (en) | 2019-12-09 | 2019-12-09 | Shot pendulum error measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601754U true CN211601754U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922190090.6U Active CN211601754U (en) | 2019-12-09 | 2019-12-09 | Shot pendulum error measuring device |
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| Country | Link |
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| CN (1) | CN211601754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265295A (en) * | 2022-06-14 | 2022-11-01 | 广东氢芯智能科技有限公司 | Intelligent assembly automation system for assembling and packaging shells |
-
2019
- 2019-12-09 CN CN201922190090.6U patent/CN211601754U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265295A (en) * | 2022-06-14 | 2022-11-01 | 广东氢芯智能科技有限公司 | Intelligent assembly automation system for assembling and packaging shells |
| CN115265295B (en) * | 2022-06-14 | 2023-12-29 | 广东伟智创科技有限公司 | Intelligent assembly automation system for assembling and packaging shells |
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