CN201594143U - Upper moving coil type electromagnetic controllable earthquake focus vibrator - Google Patents
Upper moving coil type electromagnetic controllable earthquake focus vibrator Download PDFInfo
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- CN201594143U CN201594143U CN2010201041805U CN201020104180U CN201594143U CN 201594143 U CN201594143 U CN 201594143U CN 2010201041805 U CN2010201041805 U CN 2010201041805U CN 201020104180 U CN201020104180 U CN 201020104180U CN 201594143 U CN201594143 U CN 201594143U
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Abstract
The utility model relates to an upper moving coil type electromagnetic controllable earthquake focus vibrator, which is applied in the field of petroleum seismic exploration. The upper moving coil type electromagnetic controllable earthquake focus vibrator mainly consists of a flat plate assembly, a heavy hammer assembly, an upper gland assembly, vibration isolating air bags, centering air bags and a central guide post. The central guide post adopts a cylindrical body, and the lower end of the central guide post is vertical to the center of the flat plate assembly and fixed on the flat plate assembly through bolts. Centering air bags are uniformly distributed at the periphery of the central guide post, the lower ends of the centering air bags are fixed on the upper surface of the flat plate assembly, and the heavy hammer assembly is arranged on the upper parts of the centering air bags. The central guide post penetrates through the heavy hammer assembly. The upper gland assembly is vertically fixed at the top part of the central guide post. The utility model has the effects that the electromagnetic force generated under the action of high frequency alternating current enables the heavy hammer assembly to reciprocate up and down along the central guide post, thereby generating an electromagnetic vibration force ranging from 20 to 400 kN to send the vibration waves under the ground and form a excitation sources for seismic exploration.
Description
Technical field
The utility model relates to the oil seismic exploration field, is a kind of seismic prospecting excitaton source---electromagnetism vibroseis Vib..Electromagnetism vibroseis Vib. is that the electromagnetic vibration generator system technology is applied to the seismic prospecting excitaton source, the vibroseis Vib. of formed a kind of Electromagnetic Drive.
Background technology
At present, along with the continuous development of exploration engineering, more and more higher to the exploring equipment requirement, original seismic prospecting excitaton source can not satisfy present exploration demand in some aspects.Need a kind of new seismic prospecting excitaton source of development, according to present electromagnetic vibration generator system technical development situation, ripe at present electromagnetic vibration generator system technology is applied on the seismic prospecting excitaton source, develops a kind of new seismic prospecting excitaton source---electromagnetic seismic source Vib..The notable feature of this electromagnetic type electromagnetic seismic source Vib. is: exert oneself greatly, can produce 20～400kN electric and magnetic oscillation power; Energy passes down, and vibrational energy mainly passes the earth down.Be not used in the electromagnetic seismic source Vib. of exerting oneself greatly of seismic prospecting both at home and abroad at present.The electromagnetic vibration generator system of exerting oneself greatly that exists just is used for vibration equipment test aspect.
The utility model content
The purpose of this utility model is: a kind of moving-coil type electromagnetism vibroseis Vib. of going up is provided, under the effect of electromagnetic force, promotes weight and move up and down, produce seismic event and import into underground.
The technical solution adopted in the utility model is: go up moving-coil type electromagnetism vibroseis Vib., mainly be made up of dull and stereotyped assembly, weight assembly, upper press cover assembly, vibration isolation air bag, centering air bag and centre pilot post.It is characterized in that:
The centre pilot post is the cylinder bodily form, the lower end of centre pilot post and dull and stereotyped assembly central vertical and by being bolted on the dull and stereotyped assembly.Be evenly equipped with the centering air bag around the centre pilot post, centering air bag lower end is fixed on the last plane of dull and stereotyped assembly, and the weight assembly is arranged at centering air bag top.The centre pilot post passes the weight assembly.The upper press cover assembly is vertically fixed on the top of centre pilot post.
At the top of upper press cover assembly or dull and stereotyped assembly the vibration isolation air bag is arranged.During electromagnetic type vibroseis vibrator works, in order to prevent that Vib. breaks away from ground, need ballast F that Vib. tightly is pressed in ground, ballast F must impose on Vib. by the vibration isolation air bag, according to the difference that applies the position, the electromagnetic seismic source Vib. is divided into ballast and two kinds of forms of last ballast down again.Following ballast is that ballast F is applied on the dull and stereotyped assembly by the vibration isolation air bag; Last ballast is that ballast F is applied on the upper press cover assembly by the vibration isolation air bag.
Described weight assembly is made up of outer shield, hammer core, field coil, sliding bearing, upper end cover and bottom end cover, the outer shield outer wall is cylinder shape (the cylinder bodily form or the square bodily form), the hammer core is in outer shield, the hammer core is fixed on the outer shield bottom, field coil is wrapped in the top of hammer core, between hammer core and outer shield inwall annular space is arranged.The hammer core has center pit, in the center pit of hammer core sliding bearing is arranged, and at the two ends of sliding bearing upper end cover and bottom end cover is arranged, and upper end cover and bottom end cover are fixed on sliding bearing in the center pit of hammer core.Be slidingly matched between sliding bearing and the centre pilot post.The weight assembly can slide up and down along the centre pilot post.
Described upper press cover assembly is by upper press cover and drive coil.Upper press cover is the column bodily form (as the cylinder bodily form or the square bodily form), and the lower plane of upper press cover has the ring bodies of downward protrusion, is wound with the drive coil of ring-type in the lower end of the protrusion ring bodies of upper press cover lower plane.Drive coil is from being inserted in the annular space between hammer core and the outer shield inwall.
What described vibration isolation air bag and centering air bag adopted is the air spring of standard, and the quantity of vibration isolation air bag or centering air bag is 4,6 or 8.The centering air bag is used for balance weight assembly quality, makes the weight assembly remain on the stroke meta by adjusting centering air bag air pressure inside.
Described dull and stereotyped assembly is arranged in parallel by joist steel and is welded into, and is welded with the Connection Block of centre pilot post at the center of dull and stereotyped assembly, and the Connection Block top of centre pilot post is welded with gusset plate, be welded with the capping plate in the Connection Block bottom.All at joist steel for being welded with peripheral shrouding.
In the upper press cover assembly drive coil is arranged, in the weight assembly field coil is arranged, drive coil and field coil can produce 20～400kN electric and magnetic oscillation power, and stroke is between 10～120mm.
Last moving-coil type electromagnetism vibroseis vibrator works principle: consult Fig. 1 or Fig. 2.Ballast F is applied on the dull and stereotyped assembly 1 (or upper press cover assembly 3) by vibration isolation air bag 4, and ballast F adds upper vibration generator deadweight power should be not less than electric and magnetic oscillation power.During work, it is big that dull and stereotyped assembly can not break away from ground, the stationary magnetic field of the high frequency exchange current of drive coil 32 and weight assembly field coil 22 interacts and produces electromagnetic force in the upper press cover assembly, under the effect of electromagnetic force, promoting the weight assembly pumps along centre pilot post 6, dull and stereotyped assembly 1 acts on ground simultaneously, produces seismic event and imports into underground.4 effects of vibration isolation air bag are the impacts that slow down ballast, stop the Vib. vibration to pass to ballast equipment on the one hand, stop ballast equipment that Vib. is applied any dynamic force on the other hand.Centering air bag 5 is deadweights of compensation weight assembly, makes the weight assembly remain on the meta of stroke.It produces electromagnetic force 20～400kN, and the displacement stroke of weight assembly is 10～120mm.
The beneficial effects of the utility model: go up moving-coil type electromagnetism vibroseis Vib., under the effect of high frequency exchange current, the weight assembly is pumped along the centre pilot post, produce 20～400kN electromagnetic shock power, electromagnetic shock power is imported shaking force into by dull and stereotyped assembly underground, forms seismic event.Last moving-coil type electromagnetism vibroseis Vib. becomes the seismic prospecting excitaton source.
Description of drawings
Fig. 1 is a moving-coil type electromagnetism vibroseis vibrator structure synoptic diagram (following ballast) on the utility model.
Fig. 2 is moving-coil type electromagnetism vibroseis vibrator structure synoptic diagram on the utility model (going up ballast).
Fig. 3 is the synoptic diagram of dull and stereotyped assembly 1.
Fig. 4 is the vertical view of Fig. 3.
Among the figure, 1. dull and stereotyped assembly, 4. vibration isolation air bag, 5. centering air bag, 6. centre pilot post, 11. capping plates, 12. Connection Block, 13. peripheral shroudings, 14. joist steel, 15. gusset plate, 21. outer shields, 22. field coils, 23. upper end cover, 24. sliding bearings, 25. hammer cores, 26. bottom end cover, 31. upper press covers, 32. drive coils.
Embodiment
Embodiment 1: the last moving-coil type electromagnetism vibroseis Vib. with a following ballast is an example, and the utility model is described in further detail.
Consult Fig. 1.Moving-coil type electromagnetism vibroseis Vib. on the utility model mainly is made up of dull and stereotyped assembly 1, weight assembly, upper press cover assembly, vibration isolation air bag 4, centering air bag 5 and centre pilot post 6.
Centre pilot post 6 is the cylinder bodily form, 80 millimeters of diameters.The lower end of centre pilot post 6 and dull and stereotyped assembly 1 central vertical and by being bolted on the dull and stereotyped assembly 1.Be evenly equipped with six centering air bags 5 around centre pilot post 6, what centering air bag 5 adopted is the air spring of standard.Centering air bag 5 lower ends are fixed on the last plane of dull and stereotyped assembly 1, and a weight assembly is arranged at centering air bag 5 tops.Centre pilot post 6 passes the weight assembly.The upper press cover assembly is vertically fixed on the top of centre pilot post 6.Eight vibration isolation air bags 4 are arranged at the top of dull and stereotyped assembly 1.What vibration isolation air bag 4 adopted is the air spring of standard.
The weight assembly is made up of outer shield 21, hammer core 25, field coil 22, sliding bearing 24, upper end cover 23 and bottom end cover 26, outer shield 21 outer walls are the cylinder bodily form, hammer core 25 is the cylinder bodily form, hammer core 25 is in outer shield 21, hammer core 25 adopts screw retention in outer shield 21 bottoms, field coil 22 is wrapped in the top of hammer core 25, between hammer core 25 and outer shield 21 inwalls a circular ring-shaped space is arranged.Hammer core 25 has center pit, in the center pit of hammer core 25 sliding bearing 24 is arranged, and upper end cover 23 and bottom end cover 26 are arranged at the two ends of sliding bearing 24, and upper end cover 23 and bottom end cover 26 are fixed on sliding bearing 24 in the center pit of hammer core 25.Be slidingly matched between sliding bearing 24 and the centre pilot post 6.The weight assembly can slide up and down along centre pilot post 6.
The upper press cover assembly is by upper press cover 31 and drive coil 32.Upper press cover 31 is the cylindric bodily form, and the lower plane of upper press cover 31 has the circular body of downward protrusion, is wound with circular drive coil 32 in the lower end of the chime rings shape body of upper press cover 31 lower planes.Drive coil 32 is from being inserted in the annular space between hammer core 25 and outer shield 21 inwalls.
Consult Fig. 3 and Fig. 4.Dull and stereotyped assembly 1 is arranged in parallel by joist steel 14, and to be welded into a diameter be 1000 millimeters circular dull and stereotyped, be welded with the Connection Block 12 of centre pilot post 6 at the center of dull and stereotyped assembly 1, Connection Block 12 tops of centre pilot post 6 are welded with a gusset plate 15, are welded with a capping plate 11 in Connection Block 12 bottoms.All at joist steel 14 for being welded with peripheral shrouding 13.
Embodiment 2:
Consult Fig. 2.Embodiment 2 with the difference of embodiment 1 is: dull and stereotyped assembly 1 is arranged in parallel by joist steel 14 and is welded into a square plate; Outer shield 21 outer walls are the square cylinder, and hammer core 25 is the square cylinder; Upper press cover 31 is the square column, and the lower plane of upper press cover 31 has the square ring bodies of downward protrusion, is wound with the drive coil 32 of square ring-type in the lower end of the protrusion square ring bodies of upper press cover 31 lower planes.Drive coil 32 is from being inserted in the cubic annular space between hammer core 25 and outer shield 21 inwalls.Six vibration isolation air bags 4 are arranged at the top of upper press cover 31.
Claims (7)
1. go up moving-coil type electromagnetism vibroseis Vib. for one kind, mainly form by dull and stereotyped assembly (1), weight assembly, upper press cover assembly, vibration isolation air bag (4), centering air bag (5) and centre pilot post (6); It is characterized in that: centre pilot post (6) is the cylinder bodily form, the lower end of centre pilot post (6) and dull and stereotyped assembly (1) central vertical and by being bolted on the dull and stereotyped assembly (1), be evenly equipped with centering air bag (5) on every side at centre pilot post (6), centering air bag (5) lower end is fixed on the last plane of dull and stereotyped assembly (1), the weight assembly is arranged at centering air bag (5) top, centre pilot post (6) passes the weight assembly, and the upper press cover assembly is vertically fixed on the top of centre pilot post (6).
2. the moving-coil type electromagnetism vibroseis Vib. of going up according to claim 1, it is characterized in that: vibration isolation air bag (4) is arranged at the top at upper press cover assembly or dull and stereotyped assembly (1).
3. the moving-coil type electromagnetism vibroseis Vib. of going up according to claim 1, it is characterized in that: described weight assembly is by outer shield (21), hammer core (25), field coil (22), sliding bearing (24), upper end cover (23) and bottom end cover (26) are formed, outer shield (21) outer wall is a cylinder shape, hammer core (25) is in outer shield (21), hammer core (25) is fixed on outer shield (21) bottom, field coil (22) is wrapped in the top of hammer core (25), between hammer core (25) and outer shield (21) inwall, annular space is arranged, hammer core (25) has center pit, in the center pit of hammer core (25), sliding bearing (24) is arranged, upper end cover (23) and bottom end cover (26) are arranged at the two ends of sliding bearing (24), upper end cover (23) and bottom end cover (26) are fixed on sliding bearing (24) in the center pit of hammer core (25), are slidingly matched between sliding bearing (24) and the centre pilot post (6).
4. the moving-coil type electromagnetism vibroseis Vib. of going up according to claim 1, it is characterized in that: described upper press cover assembly is by upper press cover (31) and drive coil (32), upper press cover (31) is the column bodily form, the lower plane of upper press cover (31) has the ring bodies of downward protrusion, be wound with the drive coil (32) of ring-type in the lower end of the protrusion ring bodies of upper press cover (31) lower plane, drive coil (32) is from being inserted in the annular space between hammer core (25) and outer shield (21) inwall.
5. according to claim 1,2, the 3 or 4 described moving-coil type electromagnetism vibroseis Vib.s of going up, it is characterized in that: what described vibration isolation air bag (4) and centering air bag (5) adopted is the air spring of standard, and the quantity of vibration isolation air bag (4) or centering air bag (5) is respectively 4,6 or 8.
6. according to claim 1,2, the 3 or 4 described moving-coil type electromagnetism vibroseis Vib.s of going up, it is characterized in that: described dull and stereotyped assembly (1) is arranged in parallel by joist steel (14) and is welded into, profile is circle or rectangle, be welded with the Connection Block (12) of centre pilot post (6) at the center of dull and stereotyped assembly (1), Connection Block (12) top of centre pilot post (6) is welded with gusset plate (15), be welded with capping plate (11) in Connection Block (12) bottom, all at joist steel (14) for being welded with peripheral shrouding (13).
7. according to claim 1,2, the 3 or 4 described moving-coil type electromagnetism vibroseis Vib.s of going up, it is characterized in that: drive coil (32) is arranged in the upper press cover assembly, field coil (22) is arranged in the weight assembly, drive coil (32) can produce 20～400kN electric and magnetic oscillation power with field coil (22), and weight assembly stroke is between 10～120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201041805U CN201594143U (en) | 2010-01-28 | 2010-01-28 | Upper moving coil type electromagnetic controllable earthquake focus vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201041805U CN201594143U (en) | 2010-01-28 | 2010-01-28 | Upper moving coil type electromagnetic controllable earthquake focus vibrator |
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| Publication Number | Publication Date |
|---|---|
| CN201594143U true CN201594143U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201041805U Expired - Lifetime CN201594143U (en) | 2010-01-28 | 2010-01-28 | Upper moving coil type electromagnetic controllable earthquake focus vibrator |
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| CN (1) | CN201594143U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749642A (en) * | 2012-07-02 | 2012-10-24 | 潍坊中宇机械有限公司 | Vehicle-mounted pulse vibration source device |
| CN103230867A (en) * | 2013-04-26 | 2013-08-07 | 中国石油天然气股份有限公司 | Inductive vibration signal generator |
| CN103575494A (en) * | 2013-11-19 | 2014-02-12 | 苏州东菱振动试验仪器有限公司 | Magnetic circuit system of beam vibration platform and adjusting method of magnetic circuit system |
| CN104459764A (en) * | 2014-11-20 | 2015-03-25 | 天津大学 | Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory |
| CN107956954A (en) * | 2017-11-09 | 2018-04-24 | 中国石油天然气集团公司 | The bindiny mechanism of controlled source tablet |
| CN109540443A (en) * | 2018-12-11 | 2019-03-29 | 上海航天精密机械研究所 | A kind of polyaxial gas circuit converting system and method for vibrating auxiliary support apparatus |
| WO2021093651A1 (en) * | 2019-11-13 | 2021-05-20 | 山东大学 | Seismic wave exploration seismic source detector integrated apparatus and method |
-
2010
- 2010-01-28 CN CN2010201041805U patent/CN201594143U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749642A (en) * | 2012-07-02 | 2012-10-24 | 潍坊中宇机械有限公司 | Vehicle-mounted pulse vibration source device |
| CN103230867A (en) * | 2013-04-26 | 2013-08-07 | 中国石油天然气股份有限公司 | Inductive vibration signal generator |
| CN103230867B (en) * | 2013-04-26 | 2015-10-14 | 中国石油天然气股份有限公司 | A kind of induction type vibration signal generator |
| CN103575494A (en) * | 2013-11-19 | 2014-02-12 | 苏州东菱振动试验仪器有限公司 | Magnetic circuit system of beam vibration platform and adjusting method of magnetic circuit system |
| CN103575494B (en) * | 2013-11-19 | 2016-03-23 | 苏州东菱振动试验仪器有限公司 | The magnetic circuit system of beam vibration platform and control method thereof |
| CN104459764A (en) * | 2014-11-20 | 2015-03-25 | 天津大学 | Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory |
| CN104459764B (en) * | 2014-11-20 | 2017-02-01 | 天津大学 | Linkage electromagnetic hammer applicable to researching multi-point seismic oscillation in laboratory |
| CN107956954A (en) * | 2017-11-09 | 2018-04-24 | 中国石油天然气集团公司 | The bindiny mechanism of controlled source tablet |
| CN109540443A (en) * | 2018-12-11 | 2019-03-29 | 上海航天精密机械研究所 | A kind of polyaxial gas circuit converting system and method for vibrating auxiliary support apparatus |
| WO2021093651A1 (en) * | 2019-11-13 | 2021-05-20 | 山东大学 | Seismic wave exploration seismic source detector integrated apparatus and method |
| US11899145B2 (en) | 2019-11-13 | 2024-02-13 | Shandong University | Seismic source and wave detector integrated device and method for seismic wave exploration |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100929 |