CN204439457U - The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter - Google Patents
The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter Download PDFInfo
- Publication number
- CN204439457U CN204439457U CN201520103188.2U CN201520103188U CN204439457U CN 204439457 U CN204439457 U CN 204439457U CN 201520103188 U CN201520103188 U CN 201520103188U CN 204439457 U CN204439457 U CN 204439457U
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- piston
- pneumatic type
- sealing ring
- lozenges
- utility
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
Often occur that opening that piston and casing wall faying face can not keep good, air release are not clear-cut at work for existing pneumatic type Hopkinson equipment piston, thus cause the unconspicuous problem of explosive effect, the utility model provides the sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter, its technical scheme is: piston nose is symmetrical arranged wedgewise structure, and deep trench is set on piston lozenges, in deep trench, elastic sealed body is set; Cylinder body and piston contact position are piston and casing joint face, are set to inclined-plane, and angle is corresponding with piston lozenges.Piston is optimized for cleat planes with cylinder body surface of contact by vertical plane and coordinates by the utility model, on the one hand can effective confined space, gas can be discharged fast when discharging simultaneously, explosive effect is obvious, not only structure is simple for the utility model simultaneously, and with low cost, easily change after piston wear, saved cost greatly.
Description
Technical field
The utility model relates to Hopkinson field, the sealing ring of piston in especially a kind of pneumatic type Hopkinson equipment emitter.
Background technology
Most of material all shows LOADING RATES to a certain degree or strain rate sensitivity in the mechanical properties such as intensity, the strain rate effect of the short duration pulse of amplitude and the mechaanical property of materials caused by load, very important for the structural design of anti-dynamic load and analysis, these dynamic loads are from conventional weapon penetrative effectt, many military and civilian events such as occasional burst and high-speed impact, Hopkinson bar is acknowledged as the most frequently used experimental facilities the most effectively studying the mechaanical property of materials under pulse Under Dynamic Load, it is not only applicable to compression test, can also successfully stretch, shear and friction-wear test, and can expand to and there is acceleration, power and pressure sensor calibrating function.
The emitter of Hopkinson equipment is the important component part of Hopkinson equipment, as application number: the patent of 201020169099.5, adopt " left and right end cap, the transmission cylinder that hollow valve rod and cylinder body are formed are divided into two, left and right by middle through cover in the cylinder body of transmission cylinder and launch gas chamber; Axial disjunctor one tracheae in the side of valve opening in middle through cover, the tracheae other end is placed in the circular hole offered in right end cap, and is communicated with the tracheae of the flange be fixed on right end cap; Bomb tube one end is threaded connection the tracheal strips at flange; Launch the pushing tow air chamber that to be provided with between gas chamber and left end cap and to be separated by piston on the left of cylinder body and control air chamber, the end face on the right side of piston and hollow valve rod disjunctor, the other end of hollow valve rod can be sealed and matched with the valve opening of transparent cover centre; Left end cap offers air intake opening and exhausr port, control air chamber cylinder body on offer air intake opening " structure; make " during emission bullet, open the exhausr port of pushing tow air chamber, under the pressure controlling air chamber air pressure, the gas of pushing tow air chamber is squeezed away fast, and promote the valve rod quick sliding left with piston disjunctor, the cone end of valve rod is made to hightail valve opening in middle through cover, be stored in the outside rapid fire of bullet in the gas push bomb tube launched in gas chamber ", thus complete and once launch.
Piston as disclosed in above-mentioned patent utilizes the left and right movement of pressure differential in cavity, thus completes emission process.But piston is the defect of vertical plane due to its contact plane disclosed in its device, equipment is often occurred at work, and piston and casing wall faying face can not keep good opening, and air release is not clear-cut, causes explosive effect not obvious.
Summary of the invention
Often occur that opening that piston and casing wall faying face can not keep good, air release are not clear-cut at work for existing pneumatic type Hopkinson equipment piston, thus cause the unconspicuous problem of explosive effect, the utility model provides the sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter, utilize simple mechanism to improve, solve the problems referred to above.
The sealing ring of piston in described a kind of pneumatic type Hopkinson equipment emitter, its technical scheme is: piston nose is symmetrical arranged wedgewise structure, and arranges deep trench on piston lozenges, in deep trench, arrange elastic sealed body; Cylinder body and piston contact position are piston and casing joint face, are set to inclined-plane, and angle is corresponding with piston lozenges; Piston lozenges and piston nose face angle α are 45 ° ~ 65 °.
The beneficial effects of the utility model are: piston is optimized for cleat planes with cylinder body surface of contact by vertical plane and coordinates by the utility model, on the one hand can effective confined space, gas can be discharged fast when discharging simultaneously, explosive effect is obvious, not only structure is simple in the present invention simultaneously, and with low cost, easily change after piston wear, saved cost greatly.
Accompanying drawing explanation
Fig. 1 is that the utility model uses schematic diagram; Fig. 2 is the partial enlarged drawing of Fig. 1.
Wherein, 1. cylinder body; 2. piston; 3. elastic sealed body; 4. piston and casing joint face; 5. piston lozenges.
Embodiment
The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter as described in Fig. 1 ~ 2, its technical scheme is: piston 2 front end is symmetrical arranged wedgewise structure, and arranges deep trench on piston lozenges 5, arranges elastic sealed body 3 in deep trench; Cylinder body 1 and piston 2 contact site are piston and casing joint face 4, and be set to inclined-plane, angle is corresponding with piston lozenges 5; Piston lozenges 5 and piston 1 front end face angle α are 45 ° ~ 65 °.
Described elastic sealed body 3 material is any one in rubber, polyurethane, nylon, teflon.
The above is embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (3)
1. the sealing ring of piston in pneumatic type Hopkinson equipment emitter, is characterized in that: piston (2) front end is symmetrical arranged wedgewise structure, and arrange deep trench on piston lozenges (5), arrange elastic sealed body (3) in deep trench; Cylinder body (1) and piston (2) contact site are piston and casing joint face (4), and be set to inclined-plane, angle is corresponding with piston lozenges (5).
2. the sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter according to claim 1, is characterized in that: piston lozenges (5) and piston (1) front end face angle α are 45 ° ~ 65 °.
3. the sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter according to claim 1, is characterized in that: described elastic sealed body (3) material is any one in rubber, polyurethane, nylon, teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520103188.2U CN204439457U (en) | 2015-02-13 | 2015-02-13 | The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520103188.2U CN204439457U (en) | 2015-02-13 | 2015-02-13 | The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439457U true CN204439457U (en) | 2015-07-01 |
Family
ID=53607310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520103188.2U Withdrawn - After Issue CN204439457U (en) | 2015-02-13 | 2015-02-13 | The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677724A (en) * | 2015-02-13 | 2015-06-03 | 洛阳利维科技有限公司 | Sealing device for piston in pneumatic type Hopkinson equipment emitting device |
| CN113790950A (en) * | 2021-09-17 | 2021-12-14 | 长春市镨策试验仪器有限责任公司 | Pressure-bearing device for simulating high-energy-storage rock mass excavation unloading test and sealing method |
-
2015
- 2015-02-13 CN CN201520103188.2U patent/CN204439457U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677724A (en) * | 2015-02-13 | 2015-06-03 | 洛阳利维科技有限公司 | Sealing device for piston in pneumatic type Hopkinson equipment emitting device |
| CN104677724B (en) * | 2015-02-13 | 2017-07-04 | 洛阳利维科技有限公司 | The sealing ring of piston in a kind of pneumatic type Hopkinson equipment emitter |
| CN113790950A (en) * | 2021-09-17 | 2021-12-14 | 长春市镨策试验仪器有限责任公司 | Pressure-bearing device for simulating high-energy-storage rock mass excavation unloading test and sealing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20170704 |
|
| AV01 | Patent right actively abandoned |