CN112254599B - A ballast buffer structure for multi-functional middle and high pressure explosive load generator - Google Patents

A ballast buffer structure for multi-functional middle and high pressure explosive load generator Download PDF

Info

Publication number
CN112254599B
CN112254599B CN202011155899.6A CN202011155899A CN112254599B CN 112254599 B CN112254599 B CN 112254599B CN 202011155899 A CN202011155899 A CN 202011155899A CN 112254599 B CN112254599 B CN 112254599B
Authority
CN
China
Prior art keywords
driver
explosion
tube
load generator
guider
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011155899.6A
Other languages
Chinese (zh)
Other versions
CN112254599A (en
Inventor
任辉启
丁幸波
吴祥云
盛宏光
王海露
李泽斌
黄魁
翟超辰
张跃飞
曲建波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Engineering Protection National Defense Engineering Research Institute Academy of Military Sciences of PLA
Original Assignee
Institute of Engineering Protection National Defense Engineering Research Institute Academy of Military Sciences of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Engineering Protection National Defense Engineering Research Institute Academy of Military Sciences of PLA filed Critical Institute of Engineering Protection National Defense Engineering Research Institute Academy of Military Sciences of PLA
Priority to CN202011155899.6A priority Critical patent/CN112254599B/en
Publication of CN112254599A publication Critical patent/CN112254599A/en
Application granted granted Critical
Publication of CN112254599B publication Critical patent/CN112254599B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D5/00Safety arrangements
    • F42D5/04Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • F42D5/045Detonation-wave absorbing or damping means

Abstract

The invention provides a ballast buffer structure for a multifunctional medium-high pressure explosive load generator, and relates to the technical field of explosive load generator buffer structures. The proposed ballast buffer structure for a multifunctional medium-high pressure explosive load generator has a multi-tube explosive driver located above an experimental section of the explosive load generator; hydraulic viscous dampers are symmetrically arranged on two sides of the upper end surface of the multi-tube explosion driver; a ballast tank is arranged above the multi-tube explosion driver; the periphery of the upper surface of the multi-pipe explosion driver is provided with a guider, a roller in the guider is in contact with the inner side of the wave absorbing pore plate of the explosion load generator, when explosion occurs, the multi-pipe explosion driver is impacted by explosion, and the guider can move up and down along the inner wall of the wave absorbing pore plate. The invention utilizes the principle that impact kinetic energy is converted into potential energy, and has the characteristics of strong buffering capacity, stable and controllable buffering process, safety, reliability, quick assembly and disassembly, convenient maintenance and use and the like.

Description

A ballast buffer structure for multi-functional middle and high pressure explosive load generator
Technical Field
The invention relates to a buffer device, in particular to a weight buffer structure for a multifunctional medium-high pressure explosive load generator.
Technical Field
The multifunctional medium-high pressure explosive load generator is provided with dozens of driving pipes, one end of each driving pipe is open, the other end of each driving pipe is closed, and the closed end of each driving pipe is connected with a driver panel; the driving pipe is filled with high explosive, and the total recoil force generated after detonation reaches dozens of ten thousand tons; therefore, a buffer device with strong buffer capacity and good energy dissipation effect must be designed to ensure the safety in the experimental operation process and the stability and controllability of the experimental device.
Disclosure of Invention
The invention aims to provide a weight buffer structure for a multifunctional medium-high pressure explosive load generator, which can ensure the safety in the experimental operation process and the stability and controllability of an experimental device by utilizing the principle that impact kinetic energy is converted into potential energy.
In order to realize the purpose, the invention adopts the following technical scheme:
a ballast buffer structure for a multifunctional medium-high pressure explosive load generator is provided with a multi-tube explosive driver positioned above an experimental section of the explosive load generator; the two sides of the upper end surface of the multi-tube explosion driver are symmetrically provided with hydraulic viscous dampers for performing bidirectional buffering on the multi-tube explosion driver; the hydraulic viscous damper is provided with a hydraulic cylinder barrel, one end of the hydraulic cylinder barrel is closed and is hinged with the cylinder barrel support, and the other end of the hydraulic cylinder barrel is opened and is fixedly connected with a cylinder barrel end cover for closing the hydraulic cylinder barrel; a piston which can freely slide along the inner wall of the cylinder barrel is arranged in the hydraulic cylinder barrel; a lifting damping cylinder is formed between the piston and the closed end of the hydraulic cylinder barrel; one end of the piston extends out of the cylinder end cover and is hinged with a piston support arranged on the outer side of the hydraulic cylinder; a descending damping cylinder is formed between the piston and the cylinder end cover; the cylinder barrel support is fixedly connected to the top surface of a counter-force frame of the multifunctional medium-high voltage explosive load generator; the piston support is fixedly connected with the upper end of the multi-pipe explosion driver; when the piston moves in the hydraulic cylinder barrel, the quick movement of the piston can be inhibited by pressurizing the ascending damping cylinder or the descending damping cylinder on the front side of the movement direction of the piston, so that the viscous damping effect is realized; a ballast tank is arranged above the multi-tube explosion driver; the periphery of the upper surface of the multi-tube explosion driver is provided with a guider, a roller in the guider is contacted with the inner side of a wave-absorbing pore plate of the explosion load generator, and the multi-tube explosion driver is impacted by explosion and can move up and down along the inner wall of the wave-absorbing pore plate through the guider when explosion occurs; the self weight of the driver, the self weight of the weight box, the self weight and the viscous force of the hydraulic viscous damper can inhibit the rising speed of the multi-pipe explosion driver structure; when the multi-tube explosion driver rises to the highest position, the viscous damper can restrain the falling speed of the multi-tube explosion cavity driver through viscous force, and damage to equipment due to too fast falling is prevented.
The multi-tube explosion driver mainly comprises a driver panel, a driving tube and an electromagnetic pressure relief valve; a multi-tube explosion driving tube is fixedly connected below the driver panel; the driving pipe can be filled with explosives; a plurality of electromagnetic pressure relief valves are arranged above the driver panel.
And sand is filled in the weight box, and the amount of the filled sand is determined by the rise time of the simulation carrier wave.
The guider mainly comprises a guider support, a pin shaft, a roller and a roller pressing plate; the pin shaft penetrates through the center of the roller and clamps two ends of the roller at two sides of the guider support; the roller pressing plates are arranged on two side edges of the guider support to limit the roller and the pin shaft.
The weight buffer structure for the multifunctional explosive load generator provided by the invention has the following beneficial effects:
1. the invention provides a ballast buffer structure, which converts the impact kinetic energy of an explosion wave into potential energy of a ballast structure, adopts a weight box with adjustable mass, a wave absorbing plate and a hydraulic viscous damper, and can accurately calculate the jump height of a multi-tube explosion driver under the given condition of an explosion load, thereby ensuring the experimental safety and controllability.
2. The hydraulic viscous damper with the bidirectional buffering function has the advantages that under the action of explosive impact load, the viscous damper has the viscous damping effect with the same efficiency in the ascending and descending processes of a multi-tube explosive driver, and the bidirectional buffering effect on the multi-tube explosive driver is achieved.
3. The guider arranged around the driver panel adopts a multi-connected roller structure, can move up and down on the inner side of the wave-absorbing plate, and can realize the guiding and deviation-rectifying effects on the panel of the multi-tube explosion driver by combining with the hydraulic viscous damper.
Drawings
Fig. 1 is a schematic view of a pressure-weight buffering structure of the multifunctional medium-high pressure explosion generator of the present invention.
Fig. 2 is a schematic position diagram of the weight buffer structure of the present invention.
Fig. 3 is a schematic diagram of the structure of the multi-tube explosion driver in the invention.
Fig. 4 is a schematic view of the construction of the hydraulic viscous damper of the present invention.
Fig. 5 is a schematic view of the construction of the guide of the present invention.
In the figure: 1. a multi-tube detonation driver; 2. a hydraulic viscous damper; 3. a weight box; 4. a guide; 5. an experimental section; 6. a reaction frame; 7. a wave-absorbing orifice plate; 8. a driver panel; 9. a drive tube; 10. an electromagnetic pressure relief valve; 11. a hydraulic cylinder; 12. a cylinder end cover; 13. a piston; 14. a cylinder barrel support; 15. a piston support; 16. a lift damping cylinder; 17. a descending damping cylinder; 18. an oil inlet and outlet channel I; 19. an oil inlet and outlet channel II; 20. a guide support; 21. a pin shaft; 22. a drum; 23. and (5) pressing a plate by a roller.
Detailed Description
The invention is described in connection with the drawings and the detailed description.
As shown in fig. 1 and 2, a weight buffer structure for a multifunctional medium-high pressure explosive load generator mainly comprises a multi-tube explosive driver 1, a hydraulic viscous damper 2, a weight box 3 and a guider 4. The multi-tube explosion driver 1 is positioned at the lowest part of the ballast buffer structure and is arranged above the experiment section 5 of the explosion load generator; the hydraulic viscous dampers 2 are symmetrically arranged on two sides of the upper end surface of the multi-tube explosion driver 1, and the top ends of the hydraulic viscous dampers are connected with a reaction frame 6 of the explosion load generator; the ballast tank 3 is arranged above the multi-tube explosion driver 1; the guide 4 is arranged around the upper surface of the multi-tube explosion driver 1, and the roller in the guide 4 is contacted with the inner side of the wave absorbing orifice plate 7 of the explosion load generator.
As shown in fig. 3 and 4, the multi-tube explosion driver 1 mainly includes a driver panel 8, a driving tube 9, and an electromagnetic pressure relief valve 10. A plurality of explosion driving pipes 9 are fixedly connected below the driver panel 8; explosive can be filled in the explosion driving pipe 9; the electromagnetic pressure relief valve 10 is disposed above the actuator panel 8.
The hydraulic viscous damper 2 mainly comprises a hydraulic cylinder 11, a cylinder end cover 12, a piston 13, a cylinder support 14, a piston support 15 and a lifting lug 16. One end of the hydraulic cylinder 11 is closed and hinged with the cylinder support 14, and the other end is fixedly connected with a cylinder end cover 12; one end of the piston 13 penetrates through the cylinder end cover 12 to enter the cylinder 15, and the other end of the piston is hinged with the piston support 15; the piston 13 can freely slide along the inner wall of the cylinder barrel 15 and divides the inside of the cylinder barrel 15 into a front hydraulic cylinder and a rear hydraulic cylinder, namely a lifting damping cylinder 16 and a descending damping cylinder 17; the ascending damping cylinder 16 and the descending damping cylinder 17 are respectively provided with oil inlet and outlet channels 18 and 19; the cylinder barrel support 14 is fixedly connected with the top surface of the reaction frame 6 of the multifunctional medium-high pressure explosive load generator; the piston mount 15 is attached to the upper end of the multi-tube explosive drive 1. When the piston 13 moves inside the cylinder 15, the rapid movement of the piston 13 can be suppressed by pressurizing the hydraulic cylinder on the front side in the moving direction of the piston 13, and the viscous damping effect is achieved.
The weight box 3 is filled with sand, and the amount of the filled sand is determined by the rise time of the simulation carrier wave.
The guider 4 mainly comprises a guider support 20, a pin shaft 21, a roller 22 and a roller pressing plate 23; the pin shaft 21 penetrates through the center of the roller 23 and clamps two ends of the roller on two sides of the guider support 20; the roller pressing plates 23 are arranged on two side edges of the guider support 20 and limit the roller 22 and the pin shaft 21.

Claims (4)

1. The utility model provides a ballast buffer structure for multi-functional well high pressure explosive load generator which characterized in that: the weight buffer structure is provided with a multi-tube explosion driver positioned above the experimental section of the explosion load generator; the two sides of the upper end surface of the multi-tube explosion driver are symmetrically provided with hydraulic viscous dampers for performing bidirectional buffering on the multi-tube explosion driver; the hydraulic viscous damper is provided with a hydraulic cylinder barrel, one end of the hydraulic cylinder barrel is closed and is hinged with the cylinder barrel support, and the other end of the hydraulic cylinder barrel is opened and is fixedly connected with a cylinder barrel end cover for closing the hydraulic cylinder barrel; a piston which can freely slide along the inner wall of the cylinder barrel is arranged in the hydraulic cylinder barrel; a lifting damping cylinder is formed between the piston and the closed end of the hydraulic cylinder barrel; one end of the piston extends out of the cylinder end cover and is hinged with a piston support arranged on the outer side of the hydraulic cylinder; a descending damping cylinder is formed between the piston and the cylinder end cover; the cylinder barrel support is fixedly connected to the top surface of a counter-force frame of the multifunctional medium-high voltage explosive load generator; the piston support is fixedly connected with the upper end of the multi-pipe explosion driver; when the piston moves in the hydraulic cylinder barrel, the quick movement of the piston can be inhibited through pressurizing the ascending damping cylinder or the descending damping cylinder on the front side of the piston movement direction, and the viscous damping effect is realized; a ballast tank is arranged above the multi-tube explosion driver; the periphery of the upper surface of the multi-tube explosion driver is provided with a guider, a roller in the guider is contacted with the inner side of a wave-absorbing pore plate of the explosion load generator, and the multi-tube explosion driver is impacted by explosion and can move up and down along the inner wall of the wave-absorbing pore plate through the guider when explosion occurs; the self weight of the driver, the self weight of the weight box, the self weight and the viscous force of the hydraulic viscous damper can inhibit the rising speed of the multi-pipe explosion driver structure; when the multi-tube explosion driver rises to the highest position, the viscous damper can restrain the falling speed of the multi-tube explosion driver through viscous force, and damage to equipment caused by too fast falling is prevented.
2. The ballast buffer structure for a multifunctional medium-high pressure explosive load generator according to claim 1, wherein: the multi-tube explosion driver mainly comprises a driver panel, a driving tube and an electromagnetic pressure relief valve; a multi-tube explosion driving tube is fixedly connected below the driver panel; the driving tube can be filled with explosive; a plurality of electromagnetic pressure relief valves are arranged above the driver panel.
3. The ballast buffer structure for a multifunctional medium-high pressure explosive load generator according to claim 1, wherein: and sand is filled in the weight box, and the amount of the filled sand is determined by the rise time of the simulation carrier wave.
4. The ballast buffer structure for a multifunctional medium-high pressure explosive load generator according to claim 1, wherein: the guider mainly comprises a guider support, a pin shaft, a roller and a roller pressing plate; the pin shaft penetrates through the center of the roller and clamps two ends of the roller at two sides of the guider support; the roller pressing plates are arranged on two side edges of the guider support to limit the roller and the pin shaft.
CN202011155899.6A 2020-10-26 2020-10-26 A ballast buffer structure for multi-functional middle and high pressure explosive load generator Active CN112254599B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011155899.6A CN112254599B (en) 2020-10-26 2020-10-26 A ballast buffer structure for multi-functional middle and high pressure explosive load generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011155899.6A CN112254599B (en) 2020-10-26 2020-10-26 A ballast buffer structure for multi-functional middle and high pressure explosive load generator

Publications (2)

Publication Number Publication Date
CN112254599A CN112254599A (en) 2021-01-22
CN112254599B true CN112254599B (en) 2022-09-16

Family

ID=74262079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011155899.6A Active CN112254599B (en) 2020-10-26 2020-10-26 A ballast buffer structure for multi-functional middle and high pressure explosive load generator

Country Status (1)

Country Link
CN (1) CN112254599B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1078884A (en) * 1977-03-16 1980-06-03 Jean Masclet Mechanical -hydraulic damper for a load subject to shocks and vibrations
US6752250B2 (en) * 2001-09-27 2004-06-22 Northrop Grumman Corporation Shock, vibration and acoustic isolation system
US20040211631A1 (en) * 2003-04-24 2004-10-28 Hsu William W. Hydraulic damper
US20070144337A1 (en) * 2005-09-29 2007-06-28 Board Of Regents Of University Of Nebraska Method and apparatus for shock wave mitigation
US20080251332A1 (en) * 2007-04-13 2008-10-16 Stuhmiller James H Anti-blast and shock reduction buffer
CN110375593A (en) * 2019-08-20 2019-10-25 湖南逗逗鞭炮烟花制造有限公司 A kind of potted flower anti-explosion mechanism and its control method

Also Published As

Publication number Publication date
CN112254599A (en) 2021-01-22

Similar Documents

Publication Publication Date Title
AU2017291455B2 (en) Pile hammer
CN108239979B (en) High-frequency high-energy hydraulic pile hammer
CN115233649B (en) Hydraulic rammer compactor for reinforcing large-area foundation soil
CN104179881A (en) Buffering system for self-elevating platform
CN112254599B (en) A ballast buffer structure for multi-functional middle and high pressure explosive load generator
CN111122095A (en) High-speed strong impact testing machine
CN201190545Y (en) Hydraulic lifting device for parallelly moving drill rod
CN116201600B (en) Waste mine pumped storage impact buffering structure and placement method
US3298447A (en) Control of variable-stroke power hammers
CN110953213A (en) Static and dynamic combined loading quick impact hydraulic cylinder
CN102635106A (en) Dynamic compaction buffer damping method of crawler crane
CN112482481A (en) Single-side striking breaking hammer
CN204878979U (en) Extra -large -size reservoir atmospheric valve
CN201925400U (en) Cushioning device for oil cylinder
CN113339361A (en) Six-degree-of-freedom hydraulic pressure balancing device
CN114033063A (en) Damping device for building engineering based on BIM assembly
CN206783056U (en) A kind of foamed aluminium elevator of external compression falls buffer gear
CN101975204B (en) High-speed large-flow valve controlled hydraulic speed generator
CN110424367A (en) A kind of building weight rammer compacter auxiliary pressure device
CN105179792A (en) Ultra-large reservoir emptying valve
CN202646509U (en) Improved structure of oil buffer
Yin et al. Pneumatic–hydraulic pile driving hammer
CN214993832U (en) Low-noise hydraulic pile hammer
CN215058618U (en) Six-degree-of-freedom hydraulic pressure balancing device
CN211317690U (en) High-speed strong impact testing machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant