CN111175003A - One-way impact test bench - Google Patents
One-way impact test bench Download PDFInfo
- Publication number
- CN111175003A CN111175003A CN202010090822.9A CN202010090822A CN111175003A CN 111175003 A CN111175003 A CN 111175003A CN 202010090822 A CN202010090822 A CN 202010090822A CN 111175003 A CN111175003 A CN 111175003A
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- 238000009863 impact test Methods 0.000 title claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention discloses a one-way impact test bed which comprises a base and a workbench surface, wherein one side of the upper surface of the workbench surface is provided with an impact assembly, the impact assembly comprises a left mounting support and a right mounting support, a left fixed mounting piston and a right fixed mounting piston are respectively arranged on the left mounting support and the right mounting support, one side of the left mounting support and one side of the right mounting support are respectively connected with a left air storage cylinder and a right air storage cylinder, and the left fixed mounting piston and the right fixed mounting piston are respectively communicated with the left air storage cylinder and the right air storage cylinder through a left air cylinder chamber large-flow air inlet and a right air cylinder chamber large-flow air inlet. According to the invention, the left cylinder chamber and the right cylinder chamber are arranged on the high-frequency reciprocating motion control valve in a bilateral symmetry manner, and the high-frequency reciprocating motion control valve drives the air inlet and the air exhaust in the left fixedly-mounted piston and the right fixedly-mounted piston, so that the reciprocating motion of the impact table top is driven, the reciprocating motion speed and frequency of the impact table top are greatly improved, the precision is high, and the efficiency is high.
Description
Technical Field
The invention relates to the technical field related to impact experiments, in particular to a one-way impact test bed.
Background
The impact test is a test method for determining the safety, reliability and effectiveness of products when military and civil equipment is subjected to external force impact or action, the impact test bed is mainly used for mechanical environment test of the products, can simulate actual impact pulse and impact energy, and simulate non-repetitive impact which the products are expected to be subjected to in the processes of use, loading, unloading and transportation so as to determine the adaptability of the products to various impact environments, at present, most impact test equipment is realized by adopting a free-falling impact tester and is driven by gravity (part of the equipment is additionally provided with an auxiliary force application device); the principle is as follows: the test piece is arranged on the table surface of the workbench, the test piece and the workbench are lifted to a preset height by the lifting mechanism and then released, the test piece and the workbench freely fall off and impact on the waveform generator arranged on the base, and therefore required impact pulses are generated.
For the impact test of some test pieces, horizontal impact must be adopted; at present, the horizontal impact test platform imported from abroad adopts the deformation energy of the elastic rope to generate the required impact initial speed for power (such as the horizontal impact test platform of MTS company), because the energy is accumulated by the deformation energy of the elastic rope, so a longer acceleration process is needed, the slide is longer, the slide precision is higher due to the requirement, the manufacturing cost is very high, the occupied area is large, the elastic rope is gradually strained along with the increase of the use times, the elastic coefficient is reduced along with the reduction, the replacement is needed to a certain degree, and the use and maintenance cost is higher.
Disclosure of Invention
The invention aims to provide a one-way impact test bed to solve the problems that the existing horizontal impact test bed in the background art is slow in acceleration process, large in occupied area, low in long-time use precision and required to be maintained.
In order to achieve the purpose, the invention provides the following technical scheme: a one-way impact test stand comprises a base and a workbench surface, wherein an impact assembly is arranged on one side of the upper surface of the workbench surface and comprises a left mounting support and a right mounting support, a left fixed mounting piston and a right fixed mounting piston are respectively arranged on the left mounting support and the right mounting support, one side of the left mounting support and one side of the right mounting support are respectively connected with a left air storage cylinder and a right air storage cylinder, the left fixed mounting piston and the right fixed mounting piston are respectively communicated with the left air storage cylinder and the right air storage cylinder through a left air cylinder chamber large-flow air inlet and a right air cylinder chamber large-flow air inlet, reciprocating motion control pistons are respectively arranged inside the left fixed mounting piston and the right fixed mounting piston, exhaust ports are respectively arranged on one side of the left fixed mounting piston and one side of the right fixed mounting piston, the workbench surface is connected with the impact workbench surface in a sliding manner, a left air, one end of the left fixedly mounted piston extends to be located in the left air cylinder chamber, one side of the right fixedly mounted piston is provided with a right air cylinder chamber, one end of the right fixedly mounted piston extends to be located in the right air cylinder chamber, a high-frequency reciprocating motion control valve is arranged between the left fixedly mounted piston and the right fixedly mounted piston, a belt pulley is arranged inside the high-frequency reciprocating motion control valve, two sides of the belt pulley are respectively connected with a rotary air inlet and outlet distribution wheel, a fixed air inlet and outlet distribution wheel is arranged inside the high-frequency reciprocating motion control valve, the fixed air inlet and outlet distribution wheel is in sealing and abutting connection with the rotary air inlet and outlet distribution wheel, an air inlet hole and a compression ring control air inlet are formed in one side of the high-frequency reciprocating motion control valve, the compression.
Preferably, the left fixedly-mounted piston and the right fixedly-mounted piston are communicated with the high-frequency reciprocating motion control valve through a left cylinder type air inlet and outlet and a right cylinder chamber air inlet and outlet respectively.
Preferably, table surface upper surface one side is equipped with buffer cylinder, the buffer cylinder both ends are equipped with buffer cylinder rear end housing and buffer cylinder front end housing respectively, the inside buffer cylinder piston that is equipped with of buffer cylinder, and buffer cylinder one end is connected with strikes the hammer block.
Preferably, table top slide rail seats are arranged on two sides of the upper surface of the working table top, slide rails are embedded in the side walls of the table top slide rail seats, and the impact hammer body is connected with the table top slide rail seats in a sliding mode through the slide rails.
Preferably, the impact table top is connected with the right fixed mounting piston in a sliding mode through the left cylinder chamber, one end of the impact table top is provided with a second impact block, one end of the impact hammer body is provided with a first impact block, the first impact block and the second impact block are symmetrically arranged, and the first impact block and the second impact block are in contact with each other.
Preferably, rotatory air inlet and outlet is equipped with on the rotatory wheel of admitting air and exhausting distribution, fixed air inlet and fixed gas vent are equipped with on the fixed wheel of admitting air and exhausting distribution, fixed air inlet, fixed gas vent and rotatory air inlet and outlet quantity are the same, and fixed air inlet and fixed gas vent are crisscross setting.
Preferably, a transmission belt pulley is arranged below the high-frequency reciprocating motion control valve, belt pulley tensioning adjusting rods are connected to two sides of the transmission belt pulley, and a driven belt is connected between the transmission belt pulley and the belt pulley.
Preferably, the base is provided with a motor, one side of the motor is connected with a motor belt wheel, and a driving belt is connected between the motor belt wheel and the transmission belt wheel.
The invention provides a one-way impact test bed which has the following beneficial effects:
according to the invention, the left cylinder chamber and the right cylinder chamber are arranged on the high-frequency reciprocating motion control valve in a bilateral symmetry manner, and the high-frequency reciprocating motion control valve drives the air inlet and the air exhaust in the left fixedly-mounted piston and the right fixedly-mounted piston, so that the reciprocating motion of the impact table top is driven, the reciprocating motion speed and frequency of the impact table top are greatly improved, the precision is high, and the efficiency is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the impact assembly of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic side view structure of the present invention.
In the figure: 1. impacting the table top; 2. a left cylinder chamber; 3. a left mounting support; 4. an exhaust port; 5. a high frequency shuttle motion control valve; 6. a reciprocating control piston; 7. a right mounting support; 8. a piston is fixedly arranged on the left side; 9. a right cylinder chamber; 10. a large-flow air inlet of the right cylinder chamber; 11. a right air cylinder; 12. a drive pulley; 13. a belt pulley tensioning adjusting rod; 14. a right air cylinder; 15. a large-flow air inlet of the left cylinder chamber; 16. a base; 17. a motor; 18. a motor pulley; 19. a cushion cylinder piston; 20. a rear end cover of the buffer cylinder; 21. a front end cover of the buffer cylinder; 22. an impact hammer body; 23. a first impact block; 24. a second impact block; 25. a work table; 26. an impact assembly; 27. a table-board slide rail seat; 28. an exhaust hole; 29. a belt pulley; 30. an air inlet; 31. the pressure ring controls the air inlet; 32. rotating the air intake and exhaust distribution wheel; 33. a piston is fixedly arranged on the right side; 34. a fixed air inlet and outlet distribution wheel; 35. a buffer cylinder; 36. a drive belt; 37. a drive belt; 38. a left air cylinder type air inlet and outlet; 39. and the right cylinder chamber is provided with an air inlet and an air outlet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: a one-way impact test stand comprises a base 16 and a workbench surface 25, wherein one side of the upper surface of the workbench surface 25 is provided with an impact assembly 26, the impact assembly comprises a left mounting support 3 and a right mounting support 7, the left mounting support 3 and the right mounting support 7 are respectively provided with a left fixed mounting piston 8 and a right fixed mounting piston 33, one sides of the left mounting support 3 and the right mounting support 7 are respectively connected with a left air cylinder 14 and a right air cylinder 11, the left fixed mounting piston 8 and the right fixed mounting piston 33 are respectively communicated with the left air cylinder 14 and the right air cylinder 11 through a left air cylinder chamber large-flow air inlet 15 and a right air cylinder chamber large-flow air inlet 10, the insides of the left fixed mounting piston 8 and the right fixed mounting piston 33 are respectively provided with a reciprocating motion control piston 6, and one sides of the left fixed mounting piston 8 and the right fixed mounting piston 33 are respectively provided with an air outlet 4, an impact table board 1 is connected on the working table 25 in a sliding manner, a left cylinder chamber 2 is arranged in one end of the impact table board 1, one end of a left fixedly-mounted piston 8 extends and is positioned in the left cylinder chamber 2, a right cylinder chamber 9 is arranged on one side of a right fixedly-mounted piston 33, one end of the right fixedly-mounted piston 33 extends and is positioned in the right cylinder chamber 9, a high-frequency reciprocating motion control valve 5 is arranged between the left fixedly-mounted piston 8 and the right fixedly-mounted piston 33, a belt pulley 29 is arranged in the high-frequency reciprocating motion control valve 5, rotary air inlet and outlet distribution wheels 32 are respectively connected on two sides of the belt pulley 29, a fixed air inlet and outlet distribution wheel 34 is arranged in the high-frequency reciprocating motion control valve 5, the fixed air inlet and outlet distribution wheel 34 is connected with the rotary air inlet and outlet distribution wheel 32 in a sealing and abutting manner, an air, the compression ring control air inlet 31 is positioned on two sides of the air inlet hole 30, and the other side of the high-frequency reciprocating motion control valve 5 is provided with an exhaust hole 28.
The left fixedly-mounted piston 8, the right fixedly-mounted piston 33 and the high-frequency reciprocating motion control valve 5 are respectively communicated through a left cylinder type air inlet and outlet 38 and a right cylinder chamber air inlet and outlet 39, and the high-frequency reciprocating motion control valve 5 respectively performs air inlet and exhaust work on the insides of the left fixedly-mounted piston 8 and the right fixedly-mounted piston 33 through the left cylinder type air inlet and outlet 38 and the right cylinder chamber air inlet and outlet 39; a buffer cylinder 35 is arranged on one side of the upper surface of the working table 25, a buffer cylinder rear end cover 20 and a buffer cylinder front end cover 21 are respectively arranged at two ends of the buffer cylinder 35, a buffer cylinder piston 19 is arranged inside the buffer cylinder 35, and an impact hammer body 22 is connected to one end of the buffer cylinder 35, so that the impact force applied to the impact hammer body 22 can be buffered by the buffer cylinder 35; the table top slide rail seats 27 are arranged on two sides of the upper surface of the working table 25, slide rails are embedded in the side walls of the table top slide rail seats 27, and the impact hammer body 22 is connected with the table top slide rail seats 27 in a sliding mode through the slide rails, so that the impact hammer body 22 can be driven to move; the impact table board 1 is connected with the right fixed mounting piston 8 in a sliding mode through the left cylinder chamber 2, one end of the impact table board 1 is provided with a second impact block 24, one end of the impact hammer body 22 is provided with a first impact block 23, the first impact block 23 and the second impact block 24 are symmetrically arranged, and the first impact block 23 and the second impact block 24 are in contact with each other, so that the impact table board 1 is in impact with the impact hammer body 22 through the contact of the second impact block 24 and the first impact block 23; the rotary air inlet and outlet distribution wheel 32 is provided with rotary air inlet and outlet ports, the fixed air inlet and outlet distribution wheel 34 is provided with fixed air inlets and fixed air outlet ports, the fixed air inlets, the fixed air outlet ports and the rotary air inlet and outlet ports are the same in number, the fixed air inlets and the fixed air outlet ports are arranged in a staggered manner, air inlet work is carried out when the rotary air inlet and outlet ports are matched with the fixed air inlets, and air outlet work is carried out when the rotary air inlet and outlet ports 14 are matched with the fixed air outlet ports; a driving belt pulley 12 is arranged below the high-frequency reciprocating motion control valve 5, belt pulley tensioning adjusting rods 13 are connected to two sides of the driving belt pulley 12, and a driven belt 36 is connected between the driving belt pulley 12 and the belt pulley 29, so that the driving belt pulley 12 can rotate, the driven belt 36 drives the belt pulley 29 to rotate, and the high-frequency reciprocating motion control valve 5 works; the base 16 is provided with a motor 17, one side of the motor 17 is connected with a motor belt pulley 18, a driving belt 37 is connected between the motor belt pulley 18 and the transmission belt pulley 12, so that the motor 17 can work, the driving belt 37 drives the transmission belt pulley 12 to rotate, and the motor 17 is used for controlling the high-frequency reciprocating motion control valve 5 to work.
It should be noted that, when the unidirectional impact test bench works, the motor is started, the motor belt pulley 18 is driven to rotate by the motor, so that the driving belt 37 drives the transmission belt pulley 12 to rotate, the belt pulley 29 is driven to rotate by the driven belt 36 while the transmission belt pulley 12 rotates, so that the high-frequency reciprocating motion control valve 5 works, the belt pulley 29 rotates, so that the rotary air inlet and outlet distribution wheel 32 rotates, when the rotary air inlet and outlet port is matched with the fixed air inlet port, air enters the left fixedly-mounted piston 8 and the right fixedly-mounted piston 33 from the left air cylinder type air inlet and outlet port 38 and the right air cylinder chamber air inlet and outlet port 39 through the pressure ring control air inlet 31, the internal air channel and the air inlet hole 30, so that the reciprocating motion control piston 6 moves and drives the impact table board 1 to slide to one side to impact the impact hammer body 22, and after the impact, cushion cylinder 35 cushions the impulsive force, realize the horizontal impact experiment, then rotating through belt pulley 29, rotatory inlet and outlet gas distribution wheel 32 is rotatory 45 degrees, rotatory inlet and outlet gas mouth and the matching of fixed gas vent 13, gaseous through exhaust hole 9 discharges, simultaneously gas vent 4 also carries out exhaust work, make reciprocating motion control piston 6 reset, make simultaneously strike mesa 1 and reset, through 6 back-and-forth movement realization exhaust hole's of reciprocating motion control piston ventilation and closing, and then realize admitting air and the exhaust of cylinder, the drive strikes mesa 1 and advances and resets, improve the speed and the frequency of striking mesa 1 reciprocating motion greatly, and is convenient for use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a one-way impact test platform, includes base (16) and table surface (25), its characterized in that: an impact assembly (26) is arranged on one side of the upper surface of the working table top (25), the impact assembly comprises a left mounting support (3) and a right mounting support (7), a left fixed mounting piston (8) and a right fixed mounting piston (33) are respectively arranged on the left mounting support (3) and the right mounting support (7), a left air storage cylinder (14) and a right air storage cylinder (11) are respectively connected to one sides of the left mounting support (3) and the right mounting support (7), the left fixed mounting piston (8) and the right fixed mounting piston (33) are respectively communicated with the left air storage cylinder (14) and the right air storage cylinder (11) through a left air cylinder chamber large-flow air inlet (15) and a right air cylinder chamber large-flow air inlet (10), a reciprocating motion control piston (6) is respectively arranged inside the left fixed mounting piston (8) and the right fixed mounting piston (33), and exhaust ports (4) are respectively arranged on one sides of the left fixed mounting piston (8) and the right fixed mounting piston (33), the working table top (25) is connected with an impact table top (1) in a sliding mode, a left air cylinder chamber (2) is arranged in one end of the impact table top (1), one end of a left fixedly mounted piston (8) extends and is located in the left air cylinder chamber (2), a right air cylinder chamber (9) is arranged on one side of a right fixedly mounted piston (33), one end of the right fixedly mounted piston (33) extends and is located in the right air cylinder chamber (9), a high-frequency reciprocating motion control valve (5) is arranged between the left fixedly mounted piston (8) and the right fixedly mounted piston (33), a belt pulley (29) is arranged in the high-frequency reciprocating motion control valve (5), rotary air inlet and outlet distribution wheels (32) are connected to two sides of the belt pulley (29) respectively, a fixed air inlet and outlet distribution wheel (34) is arranged in the high-frequency reciprocating motion control valve (5), and the fixed air inlet and outlet distribution wheel (34) is connected with the rotary air inlet, an air inlet hole (30) and a pressure ring control air inlet (31) are formed in one side of the high-frequency reciprocating motion control valve (5), the pressure ring control air inlet (31) is located in two sides of the air inlet hole (30), and an exhaust hole (28) is formed in the other side of the high-frequency reciprocating motion control valve (5).
2. A one-way impact test stand according to claim 1, wherein: the left fixedly installed piston (8) and the right fixedly installed piston (33) are communicated with the high-frequency reciprocating motion control valve (5) through a left cylinder type air inlet and outlet (38) and a right cylinder chamber air inlet and outlet (39) respectively.
3. A one-way impact test stand according to claim 1, wherein: table surface (25) upper surface one side is equipped with buffer cylinder (35), buffer cylinder (35) both ends are equipped with buffer cylinder rear end housing (20) and buffer cylinder front end housing (21) respectively, buffer cylinder (35) inside is equipped with buffer cylinder piston (19), and buffer cylinder (35) one end is connected with strikes hammer block (22).
4. A unidirectional impact test stand according to claims 1 and 3, wherein: table surface (25) upper surface both sides all are equipped with mesa slide rail seat (27), inlay on mesa slide rail seat (27) lateral wall and be equipped with the slide rail, strike hammer block (22) and through slide rail and mesa slide rail seat (27) sliding connection.
5. A unidirectional impact test stand according to claims 1 and 3, wherein: the impact table board (1) is connected with the right fixed mounting piston (8) in a sliding mode through the left cylinder chamber (2), one end of the impact table board (1) is provided with a second impact block (24), one end of the impact hammer body (22) is provided with a first impact block (23), the first impact block (23) and the second impact block (24) are symmetrically arranged, and the first impact block (23) and the second impact block (24) are in contact with each other.
6. A one-way impact test stand according to claim 1, wherein: be equipped with rotatory air inlet and outlet on rotatory air inlet and outlet distribution wheel (32), be equipped with fixed air inlet and fixed gas vent on fixed air inlet and outlet distribution wheel (34), fixed air inlet, fixed gas vent and rotatory air inlet and outlet quantity are the same, and fixed air inlet and fixed gas vent are crisscross setting.
7. A one-way impact test stand according to claim 1, wherein: the high-frequency reciprocating motion control valve (5) is provided with a transmission belt pulley (12) below, both sides of the transmission belt pulley (12) are connected with belt pulley tensioning adjusting rods (13), and a driven belt (36) is connected between the transmission belt pulley (12) and the belt pulley (29).
8. A one-way impact test stand according to claim 1, wherein: the motor is characterized in that a motor (17) is arranged on the base (16), a motor belt wheel (18) is connected to one side of the motor (17), and a driving belt (37) is connected between the motor belt wheel (18) and the transmission belt wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010090822.9A CN111175003A (en) | 2020-02-13 | 2020-02-13 | One-way impact test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010090822.9A CN111175003A (en) | 2020-02-13 | 2020-02-13 | One-way impact test bench |
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| Publication Number | Publication Date |
|---|---|
| CN111175003A true CN111175003A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010090822.9A Pending CN111175003A (en) | 2020-02-13 | 2020-02-13 | One-way impact test bench |
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| CN (1) | CN111175003A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2009102068A (en) * | 2009-01-22 | 2010-07-27 | Федеральное государственное унитарное предприятие "Российский федеральный ядерный центр-Всероссийский научно-исследовательский инст | SHOCK TEST STAND |
| CN103604578A (en) * | 2013-11-04 | 2014-02-26 | 北京卫星环境工程研究所 | Large-scale high-magnitude horizontal impact test stand based on pneumatic type |
| CN103712767A (en) * | 2014-01-07 | 2014-04-09 | 北京卫星环境工程研究所 | Pneumatic device for pneumatic type horizontal impact table |
| CN106546405A (en) * | 2017-01-17 | 2017-03-29 | 西安百纳电子科技有限公司 | A kind of horizontal continuity impact test apparatus and test method |
| CN108827582A (en) * | 2018-08-24 | 2018-11-16 | 中北大学 | A kind of high-magnitude head-on collision shock table |
-
2020
- 2020-02-13 CN CN202010090822.9A patent/CN111175003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2009102068A (en) * | 2009-01-22 | 2010-07-27 | Федеральное государственное унитарное предприятие "Российский федеральный ядерный центр-Всероссийский научно-исследовательский инст | SHOCK TEST STAND |
| CN103604578A (en) * | 2013-11-04 | 2014-02-26 | 北京卫星环境工程研究所 | Large-scale high-magnitude horizontal impact test stand based on pneumatic type |
| CN103712767A (en) * | 2014-01-07 | 2014-04-09 | 北京卫星环境工程研究所 | Pneumatic device for pneumatic type horizontal impact table |
| CN106546405A (en) * | 2017-01-17 | 2017-03-29 | 西安百纳电子科技有限公司 | A kind of horizontal continuity impact test apparatus and test method |
| CN108827582A (en) * | 2018-08-24 | 2018-11-16 | 中北大学 | A kind of high-magnitude head-on collision shock table |
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Application publication date: 20200519 |
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| RJ01 | Rejection of invention patent application after publication |