CN208937711U - A kind of shear wave source vibrator for seismic prospecting - Google Patents
A kind of shear wave source vibrator for seismic prospecting Download PDFInfo
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- CN208937711U CN208937711U CN201821703115.7U CN201821703115U CN208937711U CN 208937711 U CN208937711 U CN 208937711U CN 201821703115 U CN201821703115 U CN 201821703115U CN 208937711 U CN208937711 U CN 208937711U
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Abstract
The utility model discloses a kind of shear wave source vibrators for seismic prospecting, including rack, piston rod, weight, tooth-shape structure plate.Tooth-shape structure plate is installed below rack.The center of weight offers through-hole, and the left and right sides of through-hole is fixedly installed with piston bushing respectively, piston rod is provided in through-hole, design has left hydraulic oil duct and right hydraulic oil duct in piston rod.The left and right ends of piston rod respectively in rack left end cap and right end cap connect, entire weight and piston rod are mounted in rack.The utility model can effectively improve the vibration power output of focus, while the design of tooth-shape structure plate compared with existing shear wave source vibrator, be conducive to improve shear wave source to the adaptability of complicated landform.
Description
Technical field
The invention belongs to seismic prospecting equipment fields, and specifically a kind of shear wave source for seismic prospecting vibrates
Device.
Background technique
With the development of national economy, to solve the works such as urban earthquake hazard protection planning, seismic safety evaluation, architectural engineering addressing
Journey geological problem is badly in need of Seismic Exploration Method to provide reliable geologic information.Shallow-layer shear wave is low compared with having for longitudinal wave
The advantages that speed, short wavelength, high resolution, is conducive to find out shallow faults position, divides the different engineering geological point on section
Area.Meanwhile with the increasing of national oil-gas exploration dynamics, shear wave earthquake exploration is also applied in multiband fusion, vertical to make up
The deficiency of wave focus improves the efficiency and precision of oil-gas exploration.Therefore, shear wave source explores skill as a kind of shallow-layer shear wave earthquake
Art has vast potential for future development.Currently, shear wave source is mostly to ram formula or electromagnetic type both at home and abroad, influenced by exciting form,
The vibration power output of focus is smaller, and the imaging precision on stratum is lower.Meanwhile external shear wave vibrator is in use by ring
Border factor is affected, and is not able to satisfy China in the demand of the different complicated landform explorations such as desert area, gobi area, cobble area.Cause
This, a kind of shear wave source vibrator structure is badly in need of in the country, reduces exploration cost, meets shallow seismic exploration demand, to promote me
The development of state's seismic prospecting equipment.
Summary of the invention
The present invention is to improve the precision of shear wave earthquake exploration, a kind of use of design to meet the needs of shallow seismic exploration
In the shear wave source vibrator of seismic prospecting.
To achieve the above object, a kind of shear wave source vibrator for seismic prospecting provided by the invention, including rack,
Piston rod, weight, tooth-shape structure plate；It is characterized by: installing tooth-shape structure plate below rack；The center of weight offers
Through-hole, the left and right sides of through-hole are fixedly installed with piston bushing respectively, and piston rod is provided in through-hole, and design has a left side in piston rod
Hydraulic oil duct and right hydraulic oil duct；The left and right ends of piston rod respectively in rack left end cap and right end cap connect, entire weight
Hammer and piston rod are mounted in rack.
The rack is bilateral symmetry, including framework soleplate, plate closure plate, plate vertical plate；Pacify above framework soleplate
Equipped with plate side stand, plate closure plate, air bag installation side plate, air bag mounting base, air bag backplanes support frame；Below framework soleplate
Chassis plate is installed, chassis plate with tooth-shape structure plate for being connected；Through-hole is offered on plate closure plate, to install end cap,
Rack left-hand end, which covers, offers oilhole；It is connected between plate closure plate and plate vertical plate by plate side plate peace plate support plate；
It is respectively mounted between plate vertical plate and plate side plate, between plate vertical plate and flat support plates, between plate closure plate and framework soleplate
There is reinforcing rib.
The weight center offers a circular through hole, and through-hole left and right ends are fixedly installed with piston bushing, weight respectively
Through-hole in be provided with piston rod and piston；Weight, piston rod, piston and piston bushing define jointly to be symmetrically distributed in
Two oil pockets of piston left and right ends；The hydraulic oil duct design in left and right is connected with left and right hydraulic fluid chamber respectively in piston rod inner.
The tooth-shape structure plate is welded by bottom plate, side plate and triangular plate；Bottom plate is mounted below rack, the bottom of with
Plate and framework soleplate are connected by screw bolts；Two blocks of side plates with bottom plate is at 45 ° is welded on bottom plate two sides, forms cross section as triangle
The hollow structure of shape；Two pieces of triangular plates are welded on hollow structure both ends, for the rigidity for improving structure, are welded in hollow structure
The slightly smaller triangular plate of size.
During the work time, weight 3 and piston bushing 204 are vibrating member to the present invention, remaining structure is fixed.From
The high pressure liquid pressure oil and low-pressure hydraulic oil that hydraulic efficiency servo-valve comes out pass through in the oilhole 111 and piston rod on left side end cap 110
Hydraulic oil channel alternately enter left hydraulic fluid chamber 301 and right hydraulic fluid chamber 302 in weight, to generate the left and right of vibrating member
Vibration.
Compared with the prior art, the invention has the following advantages that
1, vibrator is driven using hydraulic oil, driving force foot is conducive to the vibration power output for improving shear wave source.
2, using tooth-shape structure plate, in work process, plate tooth is pressed into ground, increases between plate and the earth
Interaction, can satisfy the needs of different complicated landforms exploration.
Detailed description of the invention
Fig. 1 is a kind of general structure schematic diagram of the shear wave source vibrator for seismic prospecting of the present invention
Fig. 2 is left side rack schematic diagram
Fig. 3 is weight piston rod schematic diagram
Fig. 4 is that tooth-shape structure plate removes the schematic diagram after one piece of side bottom plate
In figure: 1. racks, 2. piston rods, 3. weights, 4. tooth-shape structure plates, 101. framework soleplates, 102. air bag bottom plates
Support frame, 103. plate side stands, 104. air bag installation side plates, 105. plate closure plates, 106. plate side plates, 107. plates are vertical
Plate, 108. reinforcing ribs, 109. flat support plates, 110. left side end caps, 111. oilholes, 112. air bag mounting bases, 113. chassis
Plate, 114. right side end caps, 201. pistons, 202. right hydraulic oil ducts, 203. left hydraulic oil ducts, 204. piston bushinges, 301. left liquid
Pumping cavity, 302. right hydraulic fluid chambers, 401. bottom plates, 402. side plates, 403. triangular plates.
Specific embodiment
Invention is described further with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of shear wave source vibrator for seismic prospecting of the present invention includes rack 1, piston rod
2, weight 3, tooth-shape structure plate 4.Rack 1 is bilateral symmetry, including framework soleplate 101, plate closure plate 105, plate are stood
Plate 107.Plate side stand 103, plate closure plate 105, air bag installation side plate 104, air bag installation bottom are welded on framework soleplate 101
Plate 112, air bag backplanes support frame 102.Two pieces of chassis plates 113 are installed below side framework soleplate 101.On plate closure plate 105
Circular through hole is offered, left side end cap 110 is fixedly mounted.Two pieces are welded between plate closure plate 105 and plate vertical plate 107
Plate side plate 106 and two pieces of flat support plates 109, the plate vertical plate 107 of left and right sides rack, which is bolted, is fixed on one
It rises, to form a complete rack.Rectangular through-hole is offered on plate vertical plate, is easily installed weight 3.Plate vertical plate 107
Between plate side plate 106, between plate vertical plate 107 and flat support plates 109, between plate closure plate 105 and framework soleplate 101
It is mounted on reinforcing rib 108, to increase the rigidity of entire rack construction.
As shown in figure 3,3 center of weight offers a circular through hole, through-hole left and right ends are fixedly installed with piston lining respectively
204 are covered, piston rod 2 is provided in the through-hole of weight, piston rod 2 includes being symmetrically distributed in the symmetrical of 201 left and right ends of piston
Two parts.2 diameter of piston rod is identical as 204 interior diameter of piston bushing.204 overall diameter of 201 diameter of piston and piston bushing
It is identical as the interior diameter of weight through-hole.Weight 3, piston rod 2, piston 201 and piston bushing 204 define symmetrical jointly
Two oil pockets in piston left and right ends.Piston rod inner is machined with hydraulic oil channel, i.e., left hydraulic oil duct 203 and right hydraulic oil
Road 202, wherein left hydraulic oil duct 203 is connected with left hydraulic fluid chamber 301, right hydraulic oil duct 202 is connected with right hydraulic fluid chamber 302.
Piston rod left and right ends are connected by screw bolts with left side end cap 110 and right side end cap 114 respectively.Left side end cap 110 is equipped with
Oilhole 111, for installing hydraulic efficiency servo-valve, the other end is connected 111 one end of oilhole with the hydraulic oil channel of piston rod.
As shown in figure 4, tooth-shape structure plate 4 is welded by bottom plate 401, side plate 402 and triangular plate 403；Bottom plate 401
It is mounted on 1 lower section of rack, is connected by screw bolts with chassis plate 114, framework soleplate 101；Two blocks of side plates 402 and bottom plate 401 are at 45 °
401 two sides of bottom plate are welded on, the hollow structure that cross section is triangle is formed；Two pieces of triangular plates 403 are welded on hollow structure
Both ends, for the rigidity for improving structure, the triangular plate 403 that hollow structure interior welds have size slightly smaller.The rack of 1 side of rack
Two pieces of tooth-shape structure plates 4 are separately installed on bottom plate 101.
Obviously, those skilled in the art belong to protection of the present invention based on many modifications and variations that spirit of the invention is done
Range.It modifies the quantity of tooth-shape structure plate intermediate cam shape plate or is changed to hollow structure to be based on the present invention for solid construction etc.
Modification or variation should regard as in technical solution of the present invention.
Claims (3)
1. a kind of shear wave source vibrator for seismic prospecting, including rack (1), piston rod (2), weight (3), tooth-shape structure
Plate (4)；It is characterized by: installing tooth-shape structure plate (4) below rack (1)；The center of weight (3) offers through-hole, leads to
The left and right sides in hole is fixedly installed with piston bushing (204) respectively, is provided in through-hole piston rod (2), piston rod inner setting
There are left hydraulic oil duct (203) and right hydraulic oil duct (202)；The left and right ends of piston rod (2) respectively with the left side end cap in rack
(110) it is connected with right side end cap (114), entire weight (3) and piston rod (2) are mounted in rack.
2. a kind of shear wave source vibrator for seismic prospecting as described in claim 1, it is characterised in that: the rack
It (1) is bilateral symmetry, including framework soleplate (101), plate closure plate (105), plate vertical plate (107)；Framework soleplate (101)
Be equipped with above plate side stand (103), plate closure plate (105), air bag installation side plate (104), air bag mounting base (112),
Air bag backplanes support frame (102)；Framework soleplate (101) is mounted below chassis plate (113)；It is provided on plate closure plate (105) logical
Hole offers oilhole (111) on left side end cap (110) to install left side end cap (110)；Plate closure plate (105) and plate are vertical
It is connected by two pieces of plate side plates (106) with two pieces of flat support plates (109) between plate (107)；Plate vertical plate (107) and plate
Between side plate (106), between plate vertical plate (107) and flat support plates (109), plate closure plate (105) and framework soleplate (101)
Between be mounted on reinforcing rib (108).
3. a kind of shear wave source vibrator for seismic prospecting as described in claim 1, feature with the tooth form knot
Structure plate (4) is welded by bottom plate (401), side plate (402) and triangular plate (403)；Bottom plate (401) is mounted on rack (1)
Lower section is connected by screw bolts with chassis plate (113) and framework soleplate (101)；Two pieces of side plates (402) and bottom plate (401) weldering at 45 °
Connect the hollow structure for forming that cross section is triangle in bottom plate (401) two sides；Two pieces of triangular plates (403) are welded on hollow knot
Structure both ends are welded with the slightly smaller triangular plate of size (403) in hollow structure for the rigidity for improving structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821703115.7U CN208937711U (en) | 2018-10-20 | 2018-10-20 | A kind of shear wave source vibrator for seismic prospecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821703115.7U CN208937711U (en) | 2018-10-20 | 2018-10-20 | A kind of shear wave source vibrator for seismic prospecting |
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| Publication Number | Publication Date |
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| CN208937711U true CN208937711U (en) | 2019-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116408A (en) * | 2018-10-20 | 2019-01-01 | 西南石油大学 | A kind of shear wave source vibrator for seismic prospecting |
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2018
- 2018-10-20 CN CN201821703115.7U patent/CN208937711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116408A (en) * | 2018-10-20 | 2019-01-01 | 西南石油大学 | A kind of shear wave source vibrator for seismic prospecting |
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