CN204666824U - Down-hole broadband seismometer level is divided to levelling gear - Google Patents
Down-hole broadband seismometer level is divided to levelling gear Download PDFInfo
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- CN204666824U CN204666824U CN201520400078.2U CN201520400078U CN204666824U CN 204666824 U CN204666824 U CN 204666824U CN 201520400078 U CN201520400078 U CN 201520400078U CN 204666824 U CN204666824 U CN 204666824U
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Abstract
The utility model discloses a kind of down-hole broadband seismometer level divides to levelling gear, comprise respectively with first, first of second pull bar connection, second gear train, each suspension is arranged with hollow support and is connected with hollow support, hollow support is at the sensitive direction of suspension, non-sensitive direction is fixed with pair respectively, main rotary shaft, main, secondary rotation axis is rotatably installed on shell, at its sensitive direction bottom suspension, non-sensitive direction is separately installed with sensitive direction governor motion, non-sensitive direction adjustment organization, the sensitive direction governor motion of a suspension, non-sensitive direction adjustment organization is respectively with first, second pull bar connects, and the sensitive direction governor motion of another suspension, non-sensitive direction adjustment organization is respectively with second, first pull bar connects.The utility model linkage regulate two orthogonal horizontal divide to attitude, make the datum clamp face of two suspension in the broadband seismometer of down-hole all be in abswolute level.
Description
Technical field
The level that the utility model relates in the broadband seismometer of a kind of down-hole is divided to levelling gear, belongs to deep bore hole seismic observation technical field.
Background technology
Deep-well observation can reduce culture noise and floor surface effect to the interference of observation data, effectively improves the signal to noise ratio (S/N ratio) of seismological observation, has earth's surface and observe the advantage hardly matched.
Under conventional well, the horizontal attitude of broadband seismometer after the installation of down-hole depends on the borehole wall gradient of its point of fixity to a great extent, because down-hole broadband seismometer self lacks effective horizontal attitude adjustment means.Specifically, for down-hole broadband seismometer, the feature that its suspension has natural vibration period long, highly sensitive, especially level divide to, the levelness for datum clamp face is very responsive.When the limit that the suspension that the levelness of datum clamp face exceedes down-hole broad-band teleseismic meter can bear, the duty of down-hole broad-band teleseismic meter just can be subject to direct impact, thus causes exporting data exception.Thus, how to the datum clamp face of the suspension in the broad-band teleseismic meter of down-hole carry out level divide to leveling, excluding the interference of borehole wall gradient to datum clamp face levelness, is the down-hole broadband seismometer main points that need at present to solve and difficult point.
Utility model content
The purpose of this utility model is that providing a kind of divides to levelling gear for the level in the broadband seismometer of down-hole, this level divide to levelling gear can by the orthogonal level of interlock adjustment two divide to attitude, make the datum clamp face of in the broadband seismometer of down-hole two suspension all be in abswolute level, thus guarantee the normal work of down-hole broad-band teleseismic meter.
To achieve these goals, the utility model have employed following technical scheme:
A kind of down-hole broadband seismometer level is divided to levelling gear, be in the shell of down-hole broadband seismometer for down-hole broadband seismometer, down-hole broadband seismometer comprises the mutually orthogonal suspension of two sensitive directions setting up and down in shell, it is characterized in that: level is divided and comprised first, second gear train to levelling gear, first, second gear train is connected with first, second pull bar vertically arranged respectively, for each suspension, be arranged with hollow support outside suspension and be fixedly connected with hollow support, hollow support is at the sensitive direction of suspension, the non-sensitive direction vertical with sensitive direction is fixed with secondary rotation axis respectively, main rotary shaft, main rotary shaft, secondary rotation axis is rotatably installed on shell, the bottom of suspension is at himself sensitive direction, non-sensitive direction is separately installed with sensitive direction governor motion, non-sensitive direction adjustment organization, wherein, the sensitive direction governor motion of a suspension is connected with the first pull bar but not sensitive direction governor motion is connected with the second pull bar, the sensitive direction governor motion of another suspension is connected with the second pull bar but not sensitive direction governor motion is connected with the first pull bar.
Described first gear train comprises the first motor, and the output shaft of the first motor is connected via the top of worm-and-wheel gear with described first pull bar, and the bottom of described first pull bar is positioned at the corresponding spacing hole on the base of described outer casing bottom installation; Described second gear train comprises the second motor, and the output shaft of the second motor is connected via the top of worm-and-wheel gear with described second pull bar, and the bottom of described second pull bar is positioned at the corresponding spacing hole on the base of described outer casing bottom installation.
Described two suspension are the first suspension, the second suspension, wherein: the described sensitive direction governor motion that the first suspension is installed comprises main support, one end of main support is fixedly connected with bottom the first suspension, and the other end of main support is flexibly connected with the main assembling block be fixedly mounted on described second pull bar; The described non-sensitive direction adjustment organization that first suspension is installed comprises assistant support, and one end of assistant support is fixedly connected with bottom the first suspension, and the other end of assistant support is flexibly connected with the secondary assembling block be fixedly mounted on described first pull bar; The described sensitive direction governor motion that second suspension is installed comprises main support, and one end of main support is fixedly connected with bottom the second suspension, and the other end of main support is flexibly connected with the main assembling block be fixedly mounted on described first pull bar; The described non-sensitive direction adjustment organization that second suspension is installed comprises assistant support, and one end of assistant support is fixedly connected with bottom the second suspension, and the other end of assistant support is flexibly connected with the secondary assembling block be fixedly mounted on described second pull bar.
The respective end of described main support contacts with the spheroid of the groove be positioned on described main assembling block, to realize being flexibly connected between described main support with described main assembling block; The respective end of described assistant support contacts with the spheroid of the groove be positioned on described secondary assembling block, to realize being flexibly connected between described assistant support with described secondary assembling block.
Described suspension comprises geophone.
The utility model has the advantages that:
Under residing for the broadband seismometer of down-hole, the borehole wall gradient of point of fixity is no more than the condition of +/-3 degree, the utility model level divide to levelling gear can link the orthogonal level of adjustment two divide to attitude, the datum clamp face of in the broadband seismometer of down-hole two suspension is made all to be in abswolute level, thus guarantee the normal work of down-hole broad-band teleseismic meter, exclude the interference of borehole wall gradient to datum clamp face levelness.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is the syndeton schematic diagram of first, second gear train respectively and between first, second pull bar.
Fig. 3 is the syndeton schematic diagram between suspension and hollow support.
Fig. 4 is the structural representation of the sensitive direction governor motion that the first suspension is installed.
Embodiment
The utility model level is divided and is in the shell 60 of down-hole broadband seismometer to levelling gear for down-hole broadband seismometer, down-hole broadband seismometer comprise the mutually orthogonal suspension 61 of two sensitive directions setting up and down in shell 60,62(namely below alleged first suspension 61, second suspension 62), two suspension 61,62 are setting up and down in shell 60, the sensitive direction of a suspension 61 is east-west directions, and the sensitive direction of another suspension 62 is North and South directions.Suspension can comprise geophone.Down-hole broadband seismic counts the existing device of this area, therefore its concrete structure no longer describes in detail.
As shown in Figures 1 to 4, the utility model level is divided and is comprised the first gear train, the second gear train to levelling gear, first gear train, the second gear train are connected with the first pull bar 21, second pull bar 22 vertically arranged respectively, and the first gear train, the second gear train drive the first pull bar 21, second pull bar to make upper and lower rectilinear motion respectively.As figure, for each suspension, be arranged with hollow support 31 outside suspension and be fixedly connected with hollow support 31, hollow support 31 is at the sensitive direction of suspension, the non-sensitive direction vertical with sensitive direction is fixed with secondary rotation axis 33 respectively, main rotary shaft 32, main rotary shaft 32, secondary rotation axis 33 is rotatably installed on shell 60, main rotary shaft 32, between mounting hole on secondary rotation axis 33 and shell 60, there is certain gap, main rotary shaft 32, secondary rotation axis 33 can be tapered pin, hollow support 31 is under the drive of suspension, the levelness of suspension on sensitive direction is regulated with the rotation of secondary rotation axis 33, and regulate the levelness of suspension on non-sensitive direction with the rotation of main rotary shaft 32, thus make suspension be in abswolute level.Suspension 61, the bottom of 62 is at himself sensitive direction, non-sensitive direction is separately installed with sensitive direction governor motion, non-sensitive direction adjustment organization, wherein, the sensitive direction governor motion of a suspension 61 is connected with the first pull bar 21 but not sensitive direction governor motion is connected with the second pull bar 22, the sensitive direction governor motion of another suspension 62 is connected with the second pull bar 22 but not sensitive direction governor motion is connected with the first pull bar 21, that is, when a suspension 61 regulates the levelness on its sensitive direction, levelness on the non-sensitive direction of another suspension 62 is regulated simultaneously.
As Fig. 2, in actual design, the output shaft that first gear train comprises the first motor 11, first motor 11 is connected via the top of worm-and-wheel gear 13 with the first pull bar 21, and the bottom of the first pull bar 21 is positioned at the corresponding spacing hole on the base 63 of installation bottom shell 60.Similarly, the output shaft that the second gear train comprises the second motor 12, second motor 12 is connected via the top of worm-and-wheel gear 14 with the second pull bar 22, and the bottom of the second pull bar 22 is positioned at the corresponding spacing hole on the base 63 of installation bottom shell 60.
In the utility model, two suspension are called the first suspension 61, second suspension 62, as Fig. 4, there is shown the structure of the sensitive direction governor motion that the first suspension 61 is installed, but not sensitive direction governor motion is substantially identical with the structure of sensitive direction governor motion, therefore can understand with reference to figure 4, the sensitive direction governor motion that another second suspension 62 is installed and the structure of non-sensitive direction adjustment organization also can be understood with reference to figure 4.As figure, the sensitive direction governor motion that first suspension 61 is installed comprises main support 53, one end of main support 53 is fixedly connected with bottom the first suspension 61, the other end of main support 53 is flexibly connected with the main assembling block 51 be fixedly mounted on the second pull bar 22, the non-sensitive direction adjustment organization that first suspension 61 is installed comprises assistant support 43, one end of assistant support 43 is fixedly connected with bottom the first suspension 61, and the other end of assistant support 43 is flexibly connected with the secondary assembling block 41 be fixedly mounted on the first pull bar 21.Similarly, the sensitive direction governor motion that second suspension 62 is installed comprises main support 53, one end of main support 53 is fixedly connected with bottom the second suspension 62, the other end of main support 53 is flexibly connected with the main assembling block 51 be fixedly mounted on the first pull bar 21, the non-sensitive direction adjustment organization that second suspension 62 is installed comprises assistant support 43, one end of assistant support 43 is fixedly connected with bottom the second suspension 62, and the other end of assistant support 43 is flexibly connected with the secondary assembling block 41 be fixedly mounted on the second pull bar 22.
Further, in actual design, as Fig. 4, the respective end of main support 53 contacts with the spheroid 52 of the groove be positioned on main assembling block 51, to realize being flexibly connected between main support 53 with main assembling block 51.The respective end of assistant support 43 contacts with the spheroid 42 of the groove be positioned on secondary assembling block 41, to realize being flexibly connected between assistant support 43 with secondary assembling block 41.
In the utility model, the first motor 11, second motor 12, worm-and-wheel gear 13,14 etc. are the well-known devices of this area, therefore its concrete formation does not here describe in detail.
Suppose that the sensitive direction of the first suspension 61, second suspension 62 setting up and down in the shell 60 of down-hole broadband seismometer is respectively east-west direction, North and South direction.
During use, make the second motor 12 run, the second motor 12 drives the second pull bar 22 to move up or down by worm-and-wheel gear 14, so main assembling block 51 fixing on the second pull bar 22 and secondary assembling block 41 are followed the second pull bar 22 and moved up or down.In the process of main assembling block 51 movement, it promotes the first suspension 61 the upper swing (minute angle) of himself sensitive direction (east-west direction) via connected main support 53, now hollow support 31 is under the drive of its first suspension 61 be fixedly connected with, rotate around secondary rotation axis 33, to realize regulating the levelness of the first suspension 61 on its sensitive direction.Meanwhile, in the process of secondary assembling block 41 movement, it promotes via connected assistant support 43, and second suspension 62 is upper in himself non-sensitive direction (east-west direction) swings (minute angle), now hollow support 31 is under the drive of its second suspension 62 be fixedly connected with, rotate around main rotary shaft 32, to realize regulating the levelness of the second suspension 62 on its non-sensitive direction.
After the levelness on the sensitive direction (east-west direction) of the first suspension 61 and the non-sensitive direction of the second suspension 62 is regulated, just the second motor 12 can be made out of service, then the first motor 11 is made to run, first motor 11 drives the first pull bar 21 to move up or down by worm-and-wheel gear 13, so main assembling block 51 fixing on the first pull bar 21 and secondary assembling block 41 are followed the first pull bar 21 and are moved up or down.In the process of secondary assembling block 41 movement, it promotes via connected assistant support 43, and first suspension 61 is upper in himself non-sensitive direction (North and South direction) swings (minute angle), now hollow support 31 is under the drive of its first suspension 61 be fixedly connected with, rotate around main rotary shaft 32, to realize regulating the levelness of the first suspension 61 on its non-sensitive direction.Meanwhile, in the process of main assembling block 51 movement, it promotes the second suspension 62 the upper swing (minute angle) of himself sensitive direction (North and South direction) via connected main support 53, now hollow support 31 is under the drive of its second suspension 62 be fixedly connected with, rotate around secondary rotation axis 33, to realize regulating the levelness of the second suspension 62 on its sensitive direction.
After regulating the levelness on the non-sensitive direction (North and South direction) of the first suspension 61 and the sensitive direction of the second suspension 62, the datum clamp face of the first suspension 61, second suspension 62 is just all in the attitude of abswolute level.
It should be noted that, to first, second suspension 61, 62 carry out sensitive direction, when levelness on non-sensitive direction regulates, first suspension 61 is respectively at its sensitive direction, whether non-sensitive direction is up to the standard is move energy converting system and feedback circuit by coupled capacitance difference to carry out judging according to the acceleration output component of down-hole broadband seismometer, similarly, second suspension 62 is respectively at its sensitive direction, whether non-sensitive direction is up to the standard also is move energy converting system and feedback circuit by coupled capacitance difference to carry out judging according to the acceleration output component of down-hole broadband seismometer.
The utility model tool has the following advantages: under residing for the broadband seismometer of down-hole, the borehole wall gradient of point of fixity is no more than the condition of +/-3 degree, the utility model level divide to levelling gear can link the orthogonal level of adjustment two divide to attitude, the datum clamp face of in the broadband seismometer of down-hole two suspension is made all to be in abswolute level, thus guarantee the normal work of down-hole broad-band teleseismic meter, exclude the interference of borehole wall gradient to datum clamp face levelness.
The above know-why being preferred embodiment of the present utility model and using; for a person skilled in the art; when not deviating from spirit and scope of the present utility model; any based on apparent changes such as the equivalent transformation on technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.
Claims (5)
1. a down-hole broadband seismometer level is divided to levelling gear, be in the shell of down-hole broadband seismometer for down-hole broadband seismometer, down-hole broadband seismometer comprises the mutually orthogonal suspension of two sensitive directions setting up and down in shell, it is characterized in that: level is divided and comprised first, second gear train to levelling gear, first, second gear train is connected with first, second pull bar vertically arranged respectively, for each suspension, be arranged with hollow support outside suspension and be fixedly connected with hollow support, hollow support is at the sensitive direction of suspension, the non-sensitive direction vertical with sensitive direction is fixed with secondary rotation axis respectively, main rotary shaft, main rotary shaft, secondary rotation axis is rotatably installed on shell, the bottom of suspension is at himself sensitive direction, non-sensitive direction is separately installed with sensitive direction governor motion, non-sensitive direction adjustment organization, wherein, the sensitive direction governor motion of a suspension is connected with the first pull bar but not sensitive direction governor motion is connected with the second pull bar, the sensitive direction governor motion of another suspension is connected with the second pull bar but not sensitive direction governor motion is connected with the first pull bar.
2. level as claimed in claim 1 is divided to levelling gear, it is characterized in that:
Described first gear train comprises the first motor, and the output shaft of the first motor is connected via the top of worm-and-wheel gear with described first pull bar, and the bottom of described first pull bar is positioned at the corresponding spacing hole on the base of described outer casing bottom installation;
Described second gear train comprises the second motor, and the output shaft of the second motor is connected via the top of worm-and-wheel gear with described second pull bar, and the bottom of described second pull bar is positioned at the corresponding spacing hole on the base of described outer casing bottom installation.
3. level as claimed in claim 1 is divided to levelling gear, it is characterized in that:
Described two suspension are the first suspension, the second suspension, wherein:
The described sensitive direction governor motion that first suspension is installed comprises main support, and one end of main support is fixedly connected with bottom the first suspension, and the other end of main support is flexibly connected with the main assembling block be fixedly mounted on described second pull bar;
The described non-sensitive direction adjustment organization that first suspension is installed comprises assistant support, and one end of assistant support is fixedly connected with bottom the first suspension, and the other end of assistant support is flexibly connected with the secondary assembling block be fixedly mounted on described first pull bar;
The described sensitive direction governor motion that second suspension is installed comprises main support, and one end of main support is fixedly connected with bottom the second suspension, and the other end of main support is flexibly connected with the main assembling block be fixedly mounted on described first pull bar;
The described non-sensitive direction adjustment organization that second suspension is installed comprises assistant support, and one end of assistant support is fixedly connected with bottom the second suspension, and the other end of assistant support is flexibly connected with the secondary assembling block be fixedly mounted on described second pull bar.
4. level as claimed in claim 3 is divided to levelling gear, it is characterized in that:
The respective end of described main support contacts with the spheroid of the groove be positioned on described main assembling block, to realize being flexibly connected between described main support with described main assembling block;
The respective end of described assistant support contacts with the spheroid of the groove be positioned on described secondary assembling block, to realize being flexibly connected between described assistant support with described secondary assembling block.
5. the level according to any one of Claims 1-4 is divided to levelling gear, it is characterized in that:
Described suspension comprises geophone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400078.2U CN204666824U (en) | 2015-06-11 | 2015-06-11 | Down-hole broadband seismometer level is divided to levelling gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400078.2U CN204666824U (en) | 2015-06-11 | 2015-06-11 | Down-hole broadband seismometer level is divided to levelling gear |
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| CN204666824U true CN204666824U (en) | 2015-09-23 |
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| CN201520400078.2U Active CN204666824U (en) | 2015-06-11 | 2015-06-11 | Down-hole broadband seismometer level is divided to levelling gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356961A (en) * | 2017-06-27 | 2017-11-17 | 中国地震局工程力学研究所 | Lateral attitude lower sensor horizontal quadrature maintaining body |
| CN107390263A (en) * | 2017-06-27 | 2017-11-24 | 中国地震局工程力学研究所 | Downhole sensor is orthogonal to keep self-regulated leveling device |
-
2015
- 2015-06-11 CN CN201520400078.2U patent/CN204666824U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356961A (en) * | 2017-06-27 | 2017-11-17 | 中国地震局工程力学研究所 | Lateral attitude lower sensor horizontal quadrature maintaining body |
| CN107390263A (en) * | 2017-06-27 | 2017-11-24 | 中国地震局工程力学研究所 | Downhole sensor is orthogonal to keep self-regulated leveling device |
| CN107356961B (en) * | 2017-06-27 | 2023-08-08 | 中国地震局工程力学研究所 | Sensor horizontal orthogonal retaining mechanism under inclined posture |
| CN107390263B (en) * | 2017-06-27 | 2023-08-08 | 中国地震局工程力学研究所 | Underground sensor orthogonal maintaining self-leveling device |
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