CN102590865B - Hydraulic driven vibration exciter for underwater exploratory surveying - Google Patents
Hydraulic driven vibration exciter for underwater exploratory surveying Download PDFInfo
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- CN102590865B CN102590865B CN2012100638032A CN201210063803A CN102590865B CN 102590865 B CN102590865 B CN 102590865B CN 2012100638032 A CN2012100638032 A CN 2012100638032A CN 201210063803 A CN201210063803 A CN 201210063803A CN 102590865 B CN102590865 B CN 102590865B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model relates to a hydraulic driven vibration exciter for underwater exploratory surveying, which aims to solve the problems that most of the existing underwater exploratory surveying tools adopt inertia vibration exciters or electromagnetic vibration exciters which are high in cost and complicated to operate. The hydraulic driven vibration exciter includes a hoisting cap, a water intake check valve core, a water intake check valve spring, a water intake check valve cap, a water intake check valve body, an upper part outer cylinder, a low pressure cavity, a middle part outer cylinder, an upper baffle plate, a flat valve core, a flat valve body, a piston cylinder, a bottom part outer cylinder, a piston, a lower end cover, a water discharge check valve, a secondary piston cylinder, a vibration exciting source upper section, a check ring, a vibration exciting source middle section, a vibration exciting source lower section, a secondary piston, a guide sleeve, a support sleeve, a lower baffle plate, an intermediate rod, a flat valve core spring seat, a flat valve core spring, a flat valve core spring cap, an upper valve rod, a water intake check valve core, an upper top cover. The hydraulic driven vibration exciter directly driven by the pressure of deep water is convenient to obtain energy, and has high performance price ratio and wide application range.
Description
Technical field
The invention belongs to the Yu Haiyang mechanical equipment technical field, relate to a kind of hydraulic drives vibrator for geological exploration under water.
Background technology
The formation of bathyseism and tsunami constitutes serious threat for coastal state and regional people's lives and properties, the exploitation of subject study and project is all actively being carried out in countries in the world, make every effort to reduce even avoid the disaster of tsunami generation, geology investigation exploration under water has extremely important meaning for the tectonic structure on this ground and the anticipation of earthquake, and deep-sea seabed mineral aboundresources, living resources are in great numbers, and geological exploration is investigated provides science data to the generation of prevention tsunami disaster and seabed mineral reserve and The biological resources development.The vibrator that the instrument of geology investigation exploration under water uses uses deep-water motor or AC and DC electricity to drive, and deep-water motor (CN 101540535) generally can drive various inertia-type vibrators; Alternating current and direct current can drive all kinds of electromagnetic actuators (CN201893112U), and the both needs marine lash ship or ROV that energy is provided, and expensive, operation easier is big, and loss is huge in the energy transmission course, the cost height.The present invention has designed the vibrator that a kind of pressure that directly utilizes water can drive, and does not need other equipment to provide energy for it, and applicability is extensive, and the cost performance height is easy to operate.
Summary of the invention
The object of the invention provides a kind of vibrator for the submarine geology exploration, and the power capacity of this vibrator directly can be provided by the pressure of water, cost performance height, operation, easy to carry.
The present invention includes and hang top cover, entry retaining valve spool, the entry one-way valve spring, go into the water one-way valve top cover, entry retaining valve valve body, the top outer cylinder body, low-pressure cavity, the middle part outer cylinder body, overhead gage, the flat valve spool, the flat valve valve body, piston cylinder, the bottom outer cylinder body, piston, bottom end cover, go out water one-way valve, the auxiliary piston cylinder, the exciting source epimere, back-up ring, the exciting source stage casing, the exciting source hypomere, auxiliary piston, orienting sleeve, support set, lower baffle plate, intermediate bar, flat valve valve core spring seat, the flat valve valve core spring, flat valve valve core spring top cover, upper valve rod, entry retaining valve spool, upper end cover.
Described upper end cover and bottom end cover are separately fixed on two end faces of low-pressure cavity, hang top cover and are fixed on the other end of upper end cover.The top outer cylinder body, the middle part outer cylinder body is fixedlyed connected by screw thread with the bottom outer cylinder body, forms whole outside cylindrical shell, and two end faces of outside cylindrical shell are fixedlyed connected with bottom end cover with upper end cover respectively; Describedly go in the epicoele of water one-way valve top cover by screw thread and top cylindrical shell to be connected, and the epicoele inner face of entry retaining valve valve body lower surface and top outer cylinder body is adjacent to, entry retaining valve spool gross section is T shape, external diameter cooperates with the internal diameter of entry retaining valve valve body, have equally distributed limbers at entry retaining valve valve body, the bottom has annular water-flowing trough radially, go into water one-way valve base upper end by the entry one-way valve spring with go into the water one-way valve top cover and link to each other, the lower end angled end-face contacts with the cooperation of entry retaining valve valve body, upper valve rod passes the entry one-way valve spring successively, entry retaining valve spool, outer cylinder body lower end, top is connected with intermediate bar; Upper valve rod in axial direction has the limbers, and axially the limbers links to each other with the intermediate bar limbers.
Fixedlying connected with overhead gage in the upper surface of described flat valve valve body, fixedlys connected with lower baffle plate in the lower surface, overhead gage, and the flat valve valve body is all fixedlyed connected with the middle part outer cylinder body along middle part outer cylinder body inwall circumference with lower baffle plate; Described overhead gage has vertically with respect to the equally distributed inlet opening of axis; The flat valve valve inner has parallel last ring groove and following ring groove along circumference, the first half of flat valve valve body has the valve inleting water hole corresponding with the inlet opening vertically, flat valve valve inleting water hole communicates with last ring groove, the flat valve valve block lower half position corresponding with the valve inleting water hole vertically has the valve body limbers, on the flat valve valve body limbers, following two ends are communicated with following ring groove and lower baffle plate limbers respectively, the middle part sidewall of valve body radially has osculum, and osculum links to each other with low-pressure cavity by the osculum that has on the outside cylindrical shell correspondence position.The longitudinal section of lower baffle plate is "T"-shaped, comprise baffle part and sleeve part, wherein baffle part the position corresponding with the water flowing of flat valve valve body has the baffle plate limbers vertically, and the sleeve part is arranged in the valve body, and the axial location of sleeve part has flat valve spool limbers.
Described flat valve spool comprises three sections right cylinders, on, the internal diameter of following two sections diameter and flat valve valve body coupling, the diameter of interlude is less than last, following two sections diameter, whole longitudinal section is I-shaped, the middle part formation ring groove that caves inward; Fixedly connected with flat valve valve core spring lower end in the upper surface of flat valve spool.Intermediate bar passes the flat valve valve core spring successively, overhead gage, and the flat valve spool, lower baffle plate, piston, the upper end is goed deep into flat valve valve core spring top cover and is fixedlyed connected with upper valve rod, and the lower end is stretched in the piston, and fixedlys connected with piston rod; The upper end edge axial direction has the limbers corresponding with the limbers of upper valve rod in the intermediate bar, have water delivering orifice in radial direction, the lower end of limbers links to each other with water delivering orifice, intermediate bar also has central small hole at inner hypomere along axis, have limbers and following limbers along radial direction, the two ends of central small hole respectively with last limbers, following limbers is communicated with.
The external diameter of described piston cylinder is identical with the internal diameter of bottom outer cylinder body, and be fixedly installed in the outer cylinder body of bottom, fixedly connected with the lower surface of lower baffle plate in the upper surface of piston cylinder, fixedly connected with bottom end cover in the lower surface, piston is movably arranged in the piston cylinder, and the cavity of resorption of piston cylinder has through hole and links to each other with low-pressure cavity.Piston rod passes sustained ring successively, orienting sleeve, and fixedly connected with auxiliary piston in the lower end; The internal diameter of the sky that has on the external diameter of described orienting sleeve and the bottom end cover is identical, and is fixedly connected on the bottom end cover.
Described auxiliary piston cylinder is fixedlyed connected with the lower surface of bottom end cover, being movably arranged in the auxiliary piston cylinder of auxiliary piston; The external diameter of exciting source epimere is identical with the internal diameter of auxiliary piston cylinder, being movably arranged in the auxiliary piston cylinder of exciting source epimere, and the exciting source epimere is fixedlyed connected with the exciting source stage casing, and fixedly connected with the hypomere of exciting source in the exciting source stage casing; The external diameter in described exciting source stage casing is less than the internal diameter of auxiliary piston cylinder; The lower surface of described auxiliary piston cylinder is provided with back-up ring, prevents that the exciting source epimere is from the slippage of auxiliary piston cylinder.
Described low-pressure cavity will be above the water discharge low-pressure cavity of certain pressure intensity by the water one-way valve of installing on the limbers that has on the bottom end cover that goes out.
The present invention compares with background technology, and the beneficial effect that has is: it directly can provide work capacity by the pressure of water, need not other equipment and drives, energy obtains convenient, and the cost performance height carries easy and simple to handle, applicability is strong, is a kind of various submarine geology exploration investigations that are applied to.
Description of drawings
Fig. 1 is overall construction drawing of the present invention;
Fig. 2 is the detailed construction synoptic diagram of entry one-way valve body portion among Fig. 1;
Fig. 3 is the detailed construction synoptic diagram of flat valve valve body part among Fig. 1.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the hydraulic drives vibrator of geological exploration under water of the present invention comprises: hang top cover 1, entry one-way valve spring 2, go into water one-way valve top cover 3, entry retaining valve valve body 4, top outer cylinder body 5, low-pressure cavity 6, middle part outer cylinder body 7, overhead gage 8, flat valve spool 9, flat valve valve body 10, piston cylinder 11, bottom outer cylinder body 12, piston 13, bottom end cover 14, go out water one-way valve 15, auxiliary piston cylinder 16, exciting source epimere 17, back-up ring 18, exciting source stage casing 20, exciting source hypomere 19, auxiliary piston 21, piston rod 22, orienting sleeve 23, support set 24, lower baffle plate 25, intermediate bar 26, flat valve valve core spring seat 27, flat valve valve core spring 28, flat valve valve core spring top cover 29, upper valve rod 30, entry retaining valve spool 31, upper end cover 32.
Described upper end cover 32 and bottom end cover 14 are separately fixed on two end faces of low-pressure cavity 6, hang top cover 1 and are fixed on the upper surface of upper end cover 32.Top outer cylinder body 5, middle part outer cylinder body 7 and bottom outer cylinder body 12 are fixedlyed connected by screw thread, form whole outside cylindrical shell, and two end faces of outside cylindrical shell are fixedlyed connected with bottom end cover 14 with upper end cover 32 respectively; Fixedly connected with overhead gage 8 in the left side of described flat valve valve body 10, fixedly connected with lower baffle plate 25 in the lower surface, overhead gage 8, flat valve valve body 10 is all fixedlyed connected with middle part outer cylinder body 7 along middle part outer cylinder body 7 inwall circumference with lower baffle plate 25, the motion of described flat valve spool 9 is arranged in the flat valve valve body 10, fixedly connected with flat valve valve core spring seat 27 in flat valve spool 9 upper surfaces, flat valve valve core spring 28 upper and lower sides are fixedlyed connected with flat valve valve core spring seat 27 with flat valve valve core spring top cover 29 respectively, flat valve spool 9 external diameters and flat valve valve body 10 internal diameters coupling, flat valve spool 9 is " worker " font, and the middle part has flat valve annular groove 46.
The external diameter of piston cylinder 11 is identical with the internal diameter of bottom outer cylinder body 12, and be fixedly installed in the outer cylinder body 12 of bottom, fixedly connected with the lower surface of lower baffle plate 25 in the upper surface of piston cylinder 11, fixedly connected with bottom end cover 14 in the lower surface, piston 13 is movably arranged in the piston cylinder 11, and the cavity of resorption of piston cylinder 11 has through hole and links to each other with low-pressure cavity 6.Piston rod 22 passes sustained ring 24 successively, orienting sleeve 23, and fixedly connected with auxiliary piston 21 in the lower end; The vertical interface of described orienting sleeve 23 is "T"-shaped, and the internal diameter in the hole that has on part external diameter and the bottom end cover 14 is identical, and is fixedly connected on the bottom end cover 14.
Going out water one-way valve 15 fixedlys connected with bottom end cover 14, and communicate with the external world by bottom end cover 14 correspondence position openings, fixedlying connected with bottom end cover 14 lower surfaces in auxiliary piston cylinder 16 upper surfaces, fixedlys connected with back-up ring 18 in the lower surface, being movably arranged in the auxiliary piston cylinder 16 of auxiliary piston 21; Being movably arranged in the auxiliary piston cylinder 16 of exciting source epimere 17 links to each other vibrator hypomere 19 and vibrator stage casing 20 fixed-link by screw thread with vibrator stage casing 20.
Go into as shown in Figure 2 in the epicoele of water one-way valve top cover 3 by screw thread and top cylindrical shell 5 to be connected, and the epicoele inner face of entry retaining valve valve body 4 lower surfaces and top outer cylinder body 5 compressed, entry retaining valve spool 31 gross sections are T shape, and external diameter cooperates with the internal diameter of entry retaining valve valve body 4; Have equally distributed limbers 33 at entry retaining valve valve body 4, the bottom has annular water-flowing trough 36 radially, entry retaining valve spool 31 upper ends by entry one-way valve spring 2 with go into water one-way valve top cover 3 and link to each other, the angled end-face coupling of lower end angled end-face and entry retaining valve valve body 4 is fitted, and the limbers 35 of top outer cylinder body 5 is communicated with the epicoele of middle part outer cylinder body 7; Upper valve rod 30 passes entry one-way valve spring 2 successively, entry retaining valve spool 31, and top outer cylinder body 5, the lower end is connected with intermediate bar 26, and 37 bottoms, limbers, intermediate bar 26 upper end link to each other with water delivering orifice 44;
Fixedly connected with overhead gage 8 in the upper surface of flat valve valve body 10 as shown in Figure 3, fixedlys connected with lower baffle plate 25 in the lower surface, overhead gage 8, and flat valve valve body 10 is all fixedlyed connected with middle part outer cylinder body 7 along middle part outer cylinder body 7 inwall circumference with lower baffle plate 25; Described overhead gage 8 has vertically with respect to the equally distributed inlet opening 38 of axis; Flat valve valve body 10 circumferential direction inside have parallel last ring groove 39 and following ring groove 40, the first half of flat valve valve body 10 has the valve inleting water hole 45 corresponding with inlet opening 38 vertically, flat valve valve inleting water hole 45 communicates with last ring groove 39, the flat valve valve body 10 Lower Halves position corresponding with valve inleting water hole 45 vertically have flat valve valve body limbers 47, on the flat valve valve body limbers 47, following two ends are communicated with following ring groove 40 and lower baffle plate limbers 49 respectively, the middle part sidewall of flat valve valve body 10 radially has osculum 42, and osculum 42 links to each other with low-pressure cavity 6 by the osculum 41 that has on middle part outer cylinder body 7 correspondence positions.The longitudinal section of lower baffle plate 25 is "T"-shaped, comprise baffle part and sleeve part, wherein baffle part the position corresponding with flat valve valve body limbers 47 has baffle plate limbers 49 vertically, the sleeve part is arranged in the flat valve valve body 10, the axial location of sleeve part has flat valve spool limbers 43, the intermediate bar that spool limbers 43 has by intermediate bar 26 hypomeres is limbers 48 radially, intermediate bar axial aperture 50, and intermediate bar radially limbers 51 links to each other with piston cylinder.
The course of work of this vibrator is as follows:
Vibrator hangs the geological exploration point that places the seabed by the sea ship, after vibrator the end, extraneous high pressure sea water enters in the epicoele of top outer cylinder body 5 by the water inlet that hangs end cap 1, pass through the limbers 34 of upper valve rod 30 again, the center pit 37 of intermediate bar 26 and limbers 44 enter into the bottom of entry retaining valve spool 31, because the area of bottom end face is greater than the upper end area, entry retaining valve spool 31 is opened under the seawater differential pressure action, high pressure sea water is by limbers 33 and the ring groove 36 of entry retaining valve valve body 4, the limbers 35 of top outer cylinder body 5 enters in the epicoele of middle part outer cylinder body 7, radial hole 48 on seawater process intermediate bar 26, axial aperture 50 and radial hole 51 enter flat valve spool 9 lower surfaces, the flat valve spool is the both ends of the surface pressure equilibrium about in the of 9, when flat valve spool 9 is pulled down to the limes superiors position in the effect of valve core spring 28, flat valve is opened, seawater is through overhead gage blasthole 38, flat valve valve body blasthole 45, last ring groove 39, following ring groove 40, flat valve limbers 47 and lower baffle plate limbers 49 enter piston cylinder 11, at this moment, high pressure sea water plays the impact crown of vibrator, when the vibrator low-pressure cavity partly rises to certain altitude, the lower surface of flow spool 9 is through radial hole 48, axial aperture 50 and radial hole 51 communicate with piston cylinder 11, because the pressure of the pressure ratio flat valve spool 9 upper surface seawater of seawater is little in the piston cylinder 11, flat valve spool 9 is depressed into the smallest limit position, and seawater is by lower baffle plate limbers 49 in the piston cylinder 11, flat valve valve body limbers 47, flat valve spool annular groove 46, flat valve valve body osculum 42 and outside cylindrical shell osculum 41 enter low-pressure cavity 6.The low-pressure cavity part of vibrator falls under the effect of self gravitation, seawater in the piston cylinder 11 is squeezed in the low-pressure cavity 6, make exciting source epimere 17 produce vibration by bump auxiliary piston 21 behind the low-pressure cavity 6 whole whereabouts certain distances, vibration reaches hypomere 19 by exciting source stage casing 20, and reaches the receiving trap that is arranged on sampling monitoring point with the form of the vibration wave earth's crust by the seabed; The low-pressure cavity of vibrator partly continues to continue to pump under the driving of high pressure sea water, and circulation bump vibrator epimere 17 continues to produce vibration wave, is full of by seawater until low-pressure cavity 6.
Claims (1)
1. the hydraulic drives vibrator that is used for geological exploration under water comprises and hangs top cover (1), entry one-way valve spring (2), go into water one-way valve top cover (3), entry retaining valve valve body (4), top outer cylinder body (5), low-pressure cavity (6), middle part outer cylinder body (7), overhead gage (8), flat valve spool (9), flat valve valve body (10), piston cylinder (11), bottom outer cylinder body (12), piston (13), bottom end cover (14), go out water one-way valve (15), auxiliary piston cylinder (16), exciting source epimere (17), back-up ring (18), exciting source stage casing (20), exciting source hypomere (19), auxiliary piston (21), orienting sleeve (23), support set (24), lower baffle plate (25), intermediate bar (26), flat valve valve core spring seat (27), flat valve valve core spring (28), flat valve valve core spring top cover (29), upper valve rod (30), entry retaining valve spool (31) and upper end cover (32);
Described upper end cover (32) and bottom end cover (14) are separately fixed on two end faces of low-pressure cavity (6), hang top cover (1) and are fixed on the upper surface of upper end cover (32); Top outer cylinder body (5), middle part outer cylinder body (7) is fixedlyed connected by screw thread with bottom outer cylinder body (12), forms whole outside cylindrical shell, and two end faces of outside cylindrical shell are fixedlyed connected with bottom end cover (14) with upper end cover (32) respectively; Describedly go in the epicoele of water one-way valve top cover (3) by screw thread and top outer cylinder body (5) to be connected, and the epicoele inner face of entry retaining valve valve body (4) lower surface and top outer cylinder body (5) is adjacent to, entry retaining valve spool (31) gross section is T shape, external diameter cooperates with the internal diameter of entry retaining valve valve body (4), have equally distributed limbers (33) at entry retaining valve valve body (4), the bottom has annular water-flowing trough (36) radially, entry retaining valve spool (31) upper end by entry one-way valve spring (2) with go into water one-way valve top cover (3) and link to each other, the lower end angled end-face contacts with entry retaining valve valve body (4) cooperation, and the limbers (35) of top outer cylinder body (5) is communicated with the epicoele of middle part outer cylinder body (7); Upper valve rod (30) passes entry one-way valve spring (2) successively, entry retaining valve spool (31), and top outer cylinder body (5), the lower end is connected with intermediate bar (26); Upper valve rod (30) in axial direction has limbers (34), and axially limbers (34) links to each other with the limbers (37) of intermediate bar (26);
Fixedly connected with overhead gage (8) in the upper surface of described flat valve valve body (10), fixedly connected with lower baffle plate (25) in the lower surface, overhead gage (8), flat valve valve body (10) is all fixedlyed connected with middle part outer cylinder body (7) along middle part outer cylinder body (7) inwall circumference with lower baffle plate (25); Described overhead gage (8) has vertically with respect to the equally distributed inlet opening of axis (38); Flat valve valve body (10) circumferential direction inside has parallel last ring groove (39) and following ring groove (40), the first half of flat valve valve body (10) has the valve inleting water hole (45) corresponding with inlet opening (38) vertically, flat valve valve inleting water hole (45) communicates with last ring groove (39), flat valve valve body (10) the Lower Half position corresponding with valve inleting water hole (45) vertically has valve body limbers (47), on the flat valve valve body limbers (47), following two ends are communicated with following ring groove (40) and lower baffle plate limbers (49) respectively, the middle part sidewall of valve body radially has osculum (42), and osculum (42) links to each other with low-pressure cavity (6) by the osculum (41) that has on middle part outer cylinder body (7) correspondence position; The longitudinal section of lower baffle plate (25) is "T"-shaped, comprise baffle part and sleeve part, wherein baffle part the position corresponding with flat valve valve body limbers (47) has baffle plate limbers (49) vertically, the sleeve part is arranged in the valve body (10), and the axial location of sleeve part has flat valve spool limbers (43);
Described flat valve spool (9) comprises three sections right cylinders, on, the internal diameter coupling of following two sections diameter and flat valve valve body (10), the diameter of interlude is less than last, following two sections diameter, whole longitudinal section are I-shaped, and the middle part caves inward and forms ring groove (46); Fixedly connected with flat valve valve core spring seat (27) lower surface in the upper surface of flat valve spool (9); Intermediate bar (26) passes flat valve valve core spring (28) successively, overhead gage (8), flat valve spool (9), lower baffle plate (25), piston (13), the upper end is goed deep into flat valve valve core spring top cover (29) and is fixedlyed connected with upper valve rod (30), and the lower end is stretched in the piston (13), and fixedlys connected with piston rod (22); The interior upper end edge axial direction of intermediate bar (26) has the limbers (37) corresponding with the limbers (34) of upper valve rod (30), have water delivering orifice (44) in radial direction, the lower end of limbers (37) links to each other with water delivering orifice (44), intermediate bar (26) has central small hole (50) at inner hypomere along axis, have limbers (48) and following limbers (51) along radial direction, the two ends of central small hole (50) respectively with last limbers (48), following limbers (51) is communicated with;
The external diameter of described piston cylinder (11) is identical with the internal diameter of bottom outer cylinder body (12), and be fixedly installed in the bottom outer cylinder body (12), fixedly connected with the lower surface of lower baffle plate (25) in the upper surface of piston cylinder (11), fixedly connected with bottom end cover (14) in the lower surface, piston (13) is movably arranged in the piston cylinder (11), and the cavity of resorption of piston cylinder (11) has through hole and links to each other with low-pressure cavity (6); Piston rod (22) passes sustained ring (24) successively, orienting sleeve (23), and fixedly connected with auxiliary piston (21) in the lower end; The internal diameter of the sky that has on the external diameter of described orienting sleeve (24) and the bottom end cover (14) is identical, and is fixedly connected on the bottom end cover (14);
Described auxiliary piston cylinder (16) is fixedlyed connected with the lower surface of bottom end cover (14), and auxiliary piston (21) is movably arranged in the auxiliary piston cylinder (16); The external diameter of exciting source epimere (17) is identical with the internal diameter of auxiliary piston cylinder (16), exciting source epimere (17) is movably arranged in the auxiliary piston cylinder (16), exciting source epimere (17) is fixedlyed connected with exciting source stage casing (20), and fixedly connected with exciting source hypomere (19) exciting source stage casing (20); The external diameter in described exciting source stage casing (20) is less than the internal diameter of auxiliary piston cylinder (16); Described auxiliary piston cylinder (16) lower surface is provided with back-up ring (18), prevents that exciting source epimere (17) is from auxiliary piston cylinder (16) slippage;
Described low-pressure cavity (6) will be above the water discharge low-pressure cavity (6) of certain pressure intensity by the water one-way valve of installing on the limbers that has on the bottom end cover (14) (15) that goes out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100638032A CN102590865B (en) | 2012-03-12 | 2012-03-12 | Hydraulic driven vibration exciter for underwater exploratory surveying |
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| CN2012100638032A CN102590865B (en) | 2012-03-12 | 2012-03-12 | Hydraulic driven vibration exciter for underwater exploratory surveying |
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| CN102590865A CN102590865A (en) | 2012-07-18 |
| CN102590865B true CN102590865B (en) | 2013-09-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103091704B (en) * | 2013-01-12 | 2013-12-11 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Light air-pressure type shallow water area earthquake wave full-automatic trigger |
| CN105738943B (en) * | 2016-03-22 | 2017-12-15 | 韩建江 | A kind of hydraulic drives vibrator for underwater geological exploration |
| CN110246407B (en) * | 2019-05-10 | 2021-08-20 | 华中科技大学 | Experimental device for simulating seawater pressure energy operation equipment |
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