CN105092201A - Bi-directional impact test platform - Google Patents
Bi-directional impact test platform Download PDFInfo
- Publication number
- CN105092201A CN105092201A CN201510563590.3A CN201510563590A CN105092201A CN 105092201 A CN105092201 A CN 105092201A CN 201510563590 A CN201510563590 A CN 201510563590A CN 105092201 A CN105092201 A CN 105092201A
- Authority
- CN
- China
- Prior art keywords
- air admission
- admission hole
- hole
- communicated
- level
- 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.)
- Granted
Links
Abstract
The invention discloses a bi-directional impact test platform, which comprises an impact table body (2) and an impact table top (4) arranged on the impact table body (2). The impact table body (2) is internally provided with a lifting device (6) used for driving the impact table top (4) to move up and down. The bi-directional impact test platform is characterized in that the impact table body (2) is internally provided with a hollow tube (8), a connecting rod (12), a first waveform generating pad (14) and a second waveform generating pad (16). According to the technical scheme of the invention, the waveform generating pads are arranged above and below an impact block. Driven by the lifting device (6), the impact table top (4) drives the impact block (10) to move up and down via the connecting rod (12), so that the impact block (10) collides with the first waveform generating pad (14) and the second waveform generating pad (16). In this way, the bi-directional impact test can be completed.
Description
Technical field
The present invention relates to a kind of double direction impulse testing table.
Background technology
Shock table is for laboratory simulation product in actual use, the machine of the ability destroyed that withstands shocks, the adaptability of product to shock environment is evaluated by shock table, then to be optimized product structure intensity by test figure, the impact resistance of correct evaluation product, can improve the reliability that product uses effectively.
Shock table of the prior art only can provide unidirectional shock-testing data usually, and when some test specimen needs to carry out double direction impulse test, these equipment just seem helpless.
Summary of the invention
The object of this invention is to provide a kind of testing apparatus can carrying out double direction impulse test.
For solving the problem, the invention provides a kind of double direction impulse testing table, comprise shock testing machine main body and be arranged on the impact table top in described shock testing machine main body, the jacking gear that described impact table top can be driven to move up and down also is provided with in described shock testing machine main body, it is characterized in that, be also provided with in described shock testing machine main body:
Vertically be connected to the hollow body between described shock testing machine bottom part body and described impact table top;
One end is connected with described impact table top, and the other end is connected with the connecting link of impact block, described connecting link, and described connecting link and described hollow body are that motive seal is connected;
Be arranged on the first waveform pad of the bottom of described hollow body;
Be arranged in described hollow body, and be positioned at the second waveform pad directly over described first waveform generation pad, pad occurs described first waveform and the second waveform occurs to pad the lifting travel being all positioned at described impact block.
As a further improvement on the present invention, described jacking gear is cylinder, it comprises the cylinder body be fixedly installed in described shock testing machine main body, and one end is connected with the piston in described cylinder body, the other end is connected to the piston rod on described impact table top, and described cylinder base is provided with the air admission hole with the inner space of described cylinder body.
As a further improvement on the present invention, also comprise an admission gear, it is connected to the bottom of cylinder body, described admission gear comprises pedestal and is arranged on the operation valve inside described pedestal, described operation valve comprises lower than described pedestal and is provided with the valve seat of the second inner chamber and in described valve seat, does vertically slip by the first propulsion system driving and partly can skid off the spool of this valve seat, the top of described valve seat is provided with venthole, described second inner chamber is communicated with described air admission hole by described venthole, and described admission gear is also provided with:
-the first inlet channel, it comprises and is separately positioned on described valve seat with on spool and vertical first air admission hole be connected and vertical second air admission hole, described vertical first air admission hole and vertical second air admission hole are through hole, one end of described vertical second air admission hole and described second inner space;
-the second inlet channel, it comprises level first air admission hole be arranged on described pedestal, is arranged on level second air admission hole on described valve seat and is arranged on level the 3rd air admission hole on described spool, described level first air admission hole is communicated with described level second air admission hole, when described spool contacts with the top inner wall face of described pedestal, described level the 3rd air admission hole is communicated with described second horizontal air admission hole.
As a further improvement on the present invention, the sidewall of described pedestal is provided with the vent port with described second inner space, described vent port is through hole and is positioned at the top of described valve seat, if and only if when described spool contacts with the top inner wall face of described pedestal, and described vent port and described second inner chamber cut off by described spool.
As a further improvement on the present invention, pass through between described level first air admission hole and level second air admission hole to be communicated with the looping pit that a vertical curve is axial line, be provided with in described looping pit and drive by the second propulsion system the annular controll block moved up and down, when described annular controll block that and if only if contacts with the top surface of described looping pit, described annular controll block is blocked between described level first air admission hole and level second air admission hole.
As a further improvement on the present invention, described valve seat is provided with a vertical guide pole, described spool is connected with described guide pole motive seal, described vertical first air admission hole to be arranged in described guide pole and to be communicated with by a horizontal channel with described vertical second air admission hole, and this horizontal channel comprises the connecting hole that the first ring groove of being communicated with described vertical first air admission hole and two ends are communicated with vertical second air admission hole with described first ring groove respectively.
As a further improvement on the present invention, a horizontal end of described level second air admission hole is provided with the second ring groove, and when described spool contacts with the top inner wall face of described pedestal, described second ring groove is communicated with described level the 3rd air admission hole.
As a further improvement on the present invention, described first propulsion system are feeder, the bottom of described valve seat be provided be communicated with described first propulsion system first control air-source inflow hole, described first to control air-source inflow hole be through hole.
As a further improvement on the present invention, described second propulsion system are feeder, the bottom of described valve seat be provided be communicated with described second propulsion system second control air-source inflow hole, described second controls air-source inflow hole is communicated with described looping pit.
Beneficial effect of the present invention is, the invention solves the problems of the prior art, is provided with Corrugation pad up and down at impact block, under the driving of jacking gear, impacting table top drives shock testing machine to move up and down by connecting link, clashes into the first Corrugation pad and the second Corrugation pad, completes two-way test.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of lift cylinder in Fig. 1;
Fig. 3 is the structural representation of pedestal and operation valve;
Wherein: 2-shock testing machine main body; 4-impacts table top; 6-jacking gear; 8-hollow body; 10-impact block; 12-connecting link; 14-first waveform pad; 16-second waveform pad; 18-cylinder body; 20-piston rod; 22-air admission hole; 24-pedestal; 26-operation valve; 28-second inner chamber; 30-valve seat; 31-venthole; 32-spool; Vertical first air admission hole of 34-; Vertical second air admission hole of 36-; 38-level first air admission hole; 40-level second air admission hole; 42-level the 3rd air admission hole; 44-vent port; 46-looping pit; 48-annular controll block; 50-guide pole; 52-first ring groove; 56-connecting hole; 58-second ring groove; 60-first controls air-source inflow hole; 62-second controls air-source inflow hole.
Embodiment
Below the specific embodiment of the present invention is described in further detail.
As Figure 1-3, the present invention includes the impact table top 4 comprising shock testing machine main body 2 and be arranged in described shock testing machine main body 2, also be provided with the jacking gear 6 that described impact table top 4 can be driven to move up and down in described shock testing machine main body 2, it is characterized in that, be also provided with in described shock testing machine main body 2:
Vertically be connected to the hollow body 8 bottom described shock testing machine main body 2 and between described impact table top 4;
One end is connected with described impact table top 4, and the other end is connected with the connecting link 12 of impact block 10, described connecting link 12, described connecting link 12 with described hollow body 8 for motive seal is connected;
Be arranged on the first waveform generation pad 14 of the bottom of described hollow body 8;
Be arranged in described hollow body 8, and be positioned at the second waveform generation pad 16 directly over described first waveform generation pad 14, described first waveform generation pad 14 and the second waveform generation pad 16 are all positioned at the lifting travel of described impact block 10.
As a further improvement on the present invention, described jacking gear 6 is cylinder, it comprises the cylinder body 18 be fixedly installed in described shock testing machine main body 2, and one end is connected with the piston in described cylinder body 18, the other end is connected to the piston rod 20 on described impact table top 4, is provided with the air admission hole 22 with the inner space of described cylinder body 18 bottom described cylinder body 18.
As a further improvement on the present invention, also comprise an admission gear, it is connected to the bottom of cylinder body 18, described admission gear comprises pedestal 24 and is arranged on the operation valve 26 inside described pedestal 24, described operation valve 26 comprises lower than described pedestal 24 and is provided with the valve seat 30 of the second inner chamber 28 and in described valve seat 30, does vertically slip by the first propulsion system driving and partly can skid off the spool 32 of this valve seat 30, the top of described valve seat 30 is provided with venthole 31, described second inner chamber 28 is communicated with described air admission hole 22 by described venthole 31, described admission gear is also provided with:
-the first inlet channel, it comprises and is separately positioned on described valve seat 30 with on spool 32 and vertical first air admission hole 34 be connected and vertical second air admission hole 36, described vertical first air admission hole 34 and vertical second air admission hole 36 are through hole, and one end of described vertical second air admission hole 36 is communicated with described second inner chamber 28;
-the second inlet channel, it comprises level first air admission hole 38 be arranged on described pedestal 24, is arranged on level second air admission hole 40 on described valve seat 30 and is arranged on level the 3rd air admission hole 42 on described spool 32, described level first air admission hole 38 is communicated with described level second air admission hole 40, when described spool 32 contacts with the top inner wall face of described pedestal 24, described level the 3rd air admission hole 42 is communicated with described second horizontal air admission hole 22.
As a further improvement on the present invention, the sidewall of described pedestal 24 is provided with the vent port 44 be communicated with described second inner chamber 28, described vent port 44 is through hole and is positioned at the top of described valve seat 30, if and only if when described spool 32 contacts with the top inner wall face of described pedestal 24, and described vent port 44 cuts off with described second inner chamber 28 by described spool 32.
As a further improvement on the present invention, pass through between described level first air admission hole 38 and level second air admission hole 40 to be communicated with the looping pit 46 that a vertical curve is axial line, be provided with in described looping pit 46 and drive by the second propulsion system the annular controll block 48 moved up and down, when described annular controll block 48 that and if only if contacts with the top surface of described looping pit 46, described annular controll block 48 is blocked between described level first air admission hole 38 and level second air admission hole 40.
As a further improvement on the present invention, described valve seat 30 is provided with a vertical guide pole 50, described spool 32 is connected with the motive seal of described guide pole 50, described vertical first air admission hole 34 to be arranged in described guide pole 50 and to be communicated with by a horizontal channel with described vertical second air admission hole 36, and this horizontal channel comprises the connecting hole 56 that the first ring groove 52 of being communicated with described vertical first air admission hole 34 and two ends are communicated with vertical second air admission hole 36 with described first ring groove 52 respectively.
As a further improvement on the present invention, a horizontal end of described level second air admission hole 40 is provided with the second ring groove 58, and when described spool 32 contacts with the top inner wall face of described pedestal 24, described second ring groove 58 is communicated with described level the 3rd air admission hole 42.
As a further improvement on the present invention, described first propulsion system are feeder, the bottom of described valve seat 30 be provided be communicated with described first propulsion system first control air-source inflow hole 60, described first to control air-source inflow hole 60 be through hole.
As a further improvement on the present invention, described second propulsion system are feeder, the bottom of described valve seat 30 be provided be communicated with described second propulsion system second control air-source inflow hole 62, described second controls air-source inflow hole 62 is communicated with described looping pit 46.
The present invention is provided with Corrugation pad up and down impact block 10, under the driving of jacking gear 6, impacts table top 4 and drives impact block to move up and down by connecting link 12, clash into the first waveform generation pad 14 and the second waveform generation pad 16, complete two-way test.
Power of the present invention is realized by cylinder, and it is concrete original as follows:
When S1, air inlet
A () controls air-source inflow hole 60 air inlet to first, spool 32 rises to extreme position, and namely the end face of spool 32 is pressed against in pedestal 24 top inner wall, and now level second air admission hole 40 is communicated with level the 3rd air admission hole 42;
B () is to air inlet in vertical first air admission hole 34, air-flow enters in the first ring groove 52 by vertical first air admission hole 34, enter in connecting hole 56 by the first ring groove 52 again, enter into the inner chamber of cylinder body 18 finally by vertical second air admission hole 36, promote piston and move up and down acting;
(c) second propulsion system stop doing power, air inlet in level first air admission hole 38, annular side, controll block 48 top is provided with step surface, two interplanars of step surface are connected by inclined-plane, air-flow compressing is on this step surface and inclined-plane, driving spool 32 is moved downward, level first air admission hole 38 is communicated with level second air inlet, air-flow enters into level the 3rd air admission hole 42 by level second air admission hole 40, enter in the inner chamber of cylinder body 18 afterwards, the piston elevating movement acting in dynamic air cylinder.Equally, also the second ring groove 58 is provided with in above-mentioned level second air admission hole 40, its function and the functional similarity of the first ring groove 52, because spool 32, in the process of lifting, may have the motion that rotates in a circumferential direction, if hole is to the connected mode in hole, to cause aiming at, air-flow cannot be normal through, and adopt ring groove to the mode in hole, solves this problem with regard to perfection.
When S2, exhaust
A () level first air admission hole 38 and vertical first air admission hole 34 and first control air-source inflow hole 60 and all stop air inlet;
B () second controls air-source inflow hole 62 air inlet, promote annular controll block 48 and rise to extreme position, namely the top of this annular controll block 48 contacts with the top inner wall face of looping pit 46, level first through hole and level second through hole is blocked;
B () piston falls under gravity, gas pressurized between piston and spool 32 forms gases at high pressure, gas bottom itself and spool 32 forms negative pressure, now spool 32 is at the falls downward of these gases at high pressure and self gravitation, vent port 44 is communicated with venthole 31, and air-flow is discharged fast by vent port 44.
Above, clash into the first waveform generation pad 14 and the second waveform generation pad 16 by impact block 10, realize two-way test.Additionally by cylinder and its inner structure, realize fast advance and retreat gas, greatly improve the lifting height and frequency that impact table top 4.
Above embodiment is only the present invention's a kind of embodiment wherein, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a double direction impulse testing table, comprise shock testing machine main body (2) and be arranged on the impact table top (4) on described shock testing machine main body (2), the jacking gear (6) that described impact table top (4) can be driven to move up and down also is provided with in described shock testing machine main body (2), it is characterized in that, be also provided with in described shock testing machine main body (2):
Vertically be connected to the hollow body (8) between described shock testing machine main body (2) bottom and described impact table top (4);
One end is connected with described impact table top (4), the other end is connected with the connecting link (12) of impact block (10), described connecting link (12), described connecting link (12) with described hollow body (8) for motive seal is connected;
Be arranged on the first waveform pad (14) of the bottom of described hollow body (8);
Be arranged in described hollow body (8), and the second waveform pad (16) be positioned at directly over described first waveform pad (14), described first waveform pad (14) and the second waveform pad (16) are all positioned at the lifting travel of described impact block (10).
2. a kind of double direction impulse testing table according to claim 1, it is characterized in that, described jacking gear is cylinder, it comprises the cylinder body (18) be fixedly installed in described shock testing machine main body (2), and one end is connected with the piston in described cylinder body (18), the other end is connected to the piston rod (20) on described impact table top (4), and described cylinder body (18) bottom is provided with the air admission hole (22) with the inner space of described cylinder body (18).
3. a kind of double direction impulse testing table according to claim 2, it is characterized in that, also comprise an admission gear, it is connected to the bottom of cylinder body (18), described admission gear comprises pedestal (24) and is arranged on the operation valve (26) of described pedestal (24) inner side, described operation valve (26) comprises lower than described pedestal (24) and is provided with the valve seat (30) of the second inner chamber (28) and in described valve seat (30), does vertically slip by the first propulsion system driving and partly can skid off the spool (32) of this valve seat (30), the top of described valve seat (30) is provided with venthole (31), described second inner chamber (28) is communicated with described air admission hole (22) by described venthole (31), described admission gear is also provided with:
-the first inlet channel, it comprises and is separately positioned on described valve seat (30) and spool (32) upper and vertical first air admission hole (34) be connected and vertical second air admission hole (36), described vertical first air admission hole (34) and vertical second air admission hole (36) are through hole, and one end of described vertical second air admission hole (36) is communicated with described second inner chamber (28);
-the second inlet channel, it level the 3rd air admission hole (42) comprising level first air admission hole (38) be arranged on described pedestal (24), be arranged on level second air admission hole (40) on described valve seat (30) and be arranged on described spool (32), described level first air admission hole (38) is communicated with described level second air admission hole (40), when described spool (32) contacts with the top inner wall face of described pedestal (24), described level the 3rd air admission hole (42) is communicated with described second horizontal air admission hole (40).
4. a kind of double direction impulse testing table according to claim 3, it is characterized in that, the sidewall of described pedestal (24) is provided with the vent port (44) be communicated with described second inner chamber (28), described vent port (44) is for through hole and be positioned at the top of described valve seat (24), if and only if when described spool (32) contacts with the top inner wall face of described pedestal (24), and described vent port (44) and described second inner chamber (28) are cut off by described spool (32).
5. a kind of double direction impulse testing table according to claim 4, it is characterized in that, pass through between described level first air admission hole (38) and level second air admission hole (40) to be communicated with the looping pit (46) that a vertical curve is axial line, be provided with in described looping pit (46) and drive by the second propulsion system the annular controll block (48) moved up and down, if and only if when described annular controll block (48) contact with the top surface of described looping pit (46), described annular controll block (48) is blocked between described level first air admission hole (38) and level second air admission hole (40).
6. a kind of double direction impulse testing table according to claim 5, it is characterized in that, described valve seat (30) is provided with a vertical guide pole (50), described spool (32) is connected with described guide pole (50) motive seal, described vertical first air admission hole (34) to be arranged in described guide pole (50) and to be communicated with by a horizontal channel with described vertical second air admission hole (36), this horizontal channel comprises the connecting hole (56) that the first ring groove (52) of being communicated with described vertical first air admission hole (34) and two ends are communicated with vertical second air admission hole (36) with described first ring groove (52) respectively.
7. a kind of double direction impulse testing table according to claim 6, it is characterized in that, one horizontal end of described level second air admission hole (40) is provided with the second ring groove (58), when described spool (32) contacts with the top inner wall face of described pedestal (24), described second ring groove (28) is communicated with described level the 3rd air admission hole (42).
8. a kind of double direction impulse testing table according to claim 7, it is characterized in that, described first propulsion system are feeder, the bottom of described valve seat (30) be provided be communicated with described first propulsion system first control air-source inflow hole (60), described first to control air-source inflow hole (60) be through hole.
9. a kind of double direction impulse testing table according to claim 8, it is characterized in that, described second propulsion system are feeder, the bottom of described valve seat (30) be provided be communicated with described second propulsion system second control air-source inflow hole (62), described second controls air-source inflow hole (62) is communicated with described looping pit (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563590.3A CN105092201B (en) | 2015-09-08 | 2015-09-08 | A kind of double direction impulse testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563590.3A CN105092201B (en) | 2015-09-08 | 2015-09-08 | A kind of double direction impulse testing stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105092201A true CN105092201A (en) | 2015-11-25 |
| CN105092201B CN105092201B (en) | 2017-10-31 |
Family
ID=54573132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510563590.3A Active CN105092201B (en) | 2015-09-08 | 2015-09-08 | A kind of double direction impulse testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105092201B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864141A (en) * | 2016-05-11 | 2016-08-17 | 苏州福艾斯振动系统有限公司 | Fast exhaust system for lifting air cylinder of shock test table |
| CN105952708A (en) * | 2016-05-11 | 2016-09-21 | 苏州福艾斯振动系统有限公司 | Synchronous air intake and exhaust system of lifting air cylinder of impact test stand |
| CN110907167A (en) * | 2019-12-28 | 2020-03-24 | 东北轻合金有限责任公司 | Emulsion electromagnetic valve off-line detection device and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858300A (en) * | 1986-01-31 | 1989-08-22 | Hayashi Manufacturing Company, Ltd. | Method of constructing a shock application device |
| TW326495B (en) * | 1997-03-26 | 1998-02-11 | King Design Ind Co Ltd | Impact tester with air hammer |
| KR101026421B1 (en) * | 2009-02-24 | 2011-04-07 | 김동주 | Impact pulse generating apparatus and method using elastic strain energy |
| KR101182333B1 (en) * | 2010-12-30 | 2012-09-20 | 한국항공우주연구원 | Shock test device |
| TWM437954U (en) * | 2012-04-27 | 2012-09-21 | Kun-Ta Lee | Impact assembly |
| CN103321985A (en) * | 2013-05-31 | 2013-09-25 | 盖超会 | Bidirectional impact cylinder |
| CN103389197A (en) * | 2013-07-29 | 2013-11-13 | 苏州世力源科技有限公司 | Drive device of horizontal impacting test bed and bi-directional multifunctional horizontal impacting test bed |
| CN103982487A (en) * | 2014-05-29 | 2014-08-13 | 苏州大学张家港工业技术研究院 | Impacting air cylinder |
| CN104763323A (en) * | 2015-03-03 | 2015-07-08 | 中国水利水电第十工程局有限公司 | Rotating percussion-compact two-way pneumatic impact mole |
| CN205209722U (en) * | 2015-09-08 | 2016-05-04 | 苏州福艾斯振动系统有限公司 | Two -way impact test machine |
-
2015
- 2015-09-08 CN CN201510563590.3A patent/CN105092201B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858300A (en) * | 1986-01-31 | 1989-08-22 | Hayashi Manufacturing Company, Ltd. | Method of constructing a shock application device |
| TW326495B (en) * | 1997-03-26 | 1998-02-11 | King Design Ind Co Ltd | Impact tester with air hammer |
| KR101026421B1 (en) * | 2009-02-24 | 2011-04-07 | 김동주 | Impact pulse generating apparatus and method using elastic strain energy |
| KR101182333B1 (en) * | 2010-12-30 | 2012-09-20 | 한국항공우주연구원 | Shock test device |
| TWM437954U (en) * | 2012-04-27 | 2012-09-21 | Kun-Ta Lee | Impact assembly |
| CN103321985A (en) * | 2013-05-31 | 2013-09-25 | 盖超会 | Bidirectional impact cylinder |
| CN103389197A (en) * | 2013-07-29 | 2013-11-13 | 苏州世力源科技有限公司 | Drive device of horizontal impacting test bed and bi-directional multifunctional horizontal impacting test bed |
| CN103982487A (en) * | 2014-05-29 | 2014-08-13 | 苏州大学张家港工业技术研究院 | Impacting air cylinder |
| CN104763323A (en) * | 2015-03-03 | 2015-07-08 | 中国水利水电第十工程局有限公司 | Rotating percussion-compact two-way pneumatic impact mole |
| CN205209722U (en) * | 2015-09-08 | 2016-05-04 | 苏州福艾斯振动系统有限公司 | Two -way impact test machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864141A (en) * | 2016-05-11 | 2016-08-17 | 苏州福艾斯振动系统有限公司 | Fast exhaust system for lifting air cylinder of shock test table |
| CN105952708A (en) * | 2016-05-11 | 2016-09-21 | 苏州福艾斯振动系统有限公司 | Synchronous air intake and exhaust system of lifting air cylinder of impact test stand |
| CN105952708B (en) * | 2016-05-11 | 2018-07-27 | 苏州福艾斯振动系统有限公司 | A kind of synchronization air inlet system and exhaust system of shock table lifting cylinder |
| CN110907167A (en) * | 2019-12-28 | 2020-03-24 | 东北轻合金有限责任公司 | Emulsion electromagnetic valve off-line detection device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105092201B (en) | 2017-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105092201A (en) | Bi-directional impact test platform | |
| CN203981358U (en) | A kind of simple and easy air-tightness detection device | |
| CN205209722U (en) | Two -way impact test machine | |
| CN205317422U (en) | Solar water heater water tank equipment of leaking hunting | |
| CN110953213B (en) | Static and dynamic combined loading quick impact hydraulic cylinder | |
| CN2487716Y (en) | Oil hydraulic buffer | |
| CN205089711U (en) | Cylinder air inlet unit | |
| CN205091110U (en) | Bump test appearance | |
| CN105019455A (en) | Inner impact type pipe-driven pile hammer | |
| CN103769511B (en) | Hydraulic linkage hydraulic counterblow hammer | |
| CN104358546A (en) | Underground swinging-type automatic intermittent water pump-up tool | |
| CN109027098A (en) | A kind of hydraulic positioning buffer | |
| CN215673354U (en) | Novel damping device for power head of rotary drilling rig | |
| CN204457848U (en) | For de-watering apparatus and the spool driving mechanism of gas drainage system | |
| CN205483426U (en) | Water gauge pressurization testing arrangement | |
| CN104563117B (en) | A kind of hydraulic pile hammer blank-run prevention buffer unit | |
| CN205089713U (en) | Novel control valve | |
| CN207567767U (en) | guide rod type hydraulic pile hammer | |
| CN207662590U (en) | A kind of electric tool shock-testing platform | |
| CN209372351U (en) | A kind of inflatable water-tight device for underwater shake table | |
| JP6200496B2 (en) | Hammer lift device | |
| CN207568961U (en) | Guide rod pile hammer with hydraulic cartridge valve | |
| CN112482481A (en) | Single-side striking breaking hammer | |
| CN205089712U (en) | Cylinder air outlet means | |
| CN105527182A (en) | Explosion load simulation generator for simulating stress conditions of deep rock mass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 15, Building 15, No. 269, Xinfeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215000 Patentee after: SUZHOU FNS VIBRATION SYSTEM Co.,Ltd. Address before: 215100 Cross Spring Industrial Building 4D, Chunhui Road, Industrial Park, Suzhou City, Jiangsu Province Patentee before: SUZHOU FNS VIBRATION SYSTEM Co.,Ltd. |