CN202703876U - Underwater static seal driving device - Google Patents
Underwater static seal driving device Download PDFInfo
- Publication number
- CN202703876U CN202703876U CN 201220402753 CN201220402753U CN202703876U CN 202703876 U CN202703876 U CN 202703876U CN 201220402753 CN201220402753 CN 201220402753 CN 201220402753 U CN201220402753 U CN 201220402753U CN 202703876 U CN202703876 U CN 202703876U
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- Prior art keywords
- motor
- seal
- fulcrum
- circuit board
- control circuit
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Abstract
The utility model relates to a marine underwater transmission mechanism, in particular to an underwater static seal driving device, which comprises an outer bracket, a seal housing, a motor, a control circuit board and a heavy object pendulum, wherein the seal housing is rotatablely arranged on the outer bracket; the motor, the control circuit board and the heavy object pendulum are arranged in the seal housing respectively; an inner supporting shaft is rotatablely connected into the seal housing; the heavy object pendulum is hung on the inner supporting shaft and can swing around the axial central line of the inner supporting shaft; the motor and the control circuit board are arranged on the heavy object pendulum respectively; the motor is electrically connected with the control circuit board; and the seal housing is driven to rotate by an output shaft of the motor through the transmission device so as to realize driving. According to the underwater static seal driving device, the motor is arranged in the seal housing, the output shaft of the motor rotates in a sealed space, dynamic seal of the motor is converted into static seal, the difficulty level of underwater seal is reduced, and the reliability of seal is increased; and since dynamic seal is not required to be adopted, the energy consumed by rotation friction of the output shaft of the motor is reduced, and the mechanical efficiency of motor driving is increased.
Description
Technical field
The utility model relates to the ocean water lower transmission mechanism, specifically a kind of actuating device of static seal under water.
Background technology
Carry out in the process of oceanographic research, development and utilization, need to use a large amount of relevant devices, wherein most equipment all needs to install execution or actuating mechanism, and the action actuating mechanism of the overwhelming majority adopts motor-driven.Use under water in the motor-driven, Main Problems is the sealing problem at motor-shaft extending place.In the ocean, 10 meters of every dives just increase by 1 barometric pressure, the ocean deepwater place, and pressure reaches hundreds of even thousands of barometric pressures, and moving situation must be able to sustain so large pressure and non-leakage, indeformable with regard to requiring motor-shaft extending to be in not stop transport for this.The sealing at motor-shaft extending place belongs to dynamic seal, because motor shaft is as long as rotate, axle and casing place will be gapped, just leak easily; And submerged depth is larger, and pressure is just higher, and also with regard to easier leaking, its dynamic seal is just more difficult realization also.If can make a kind of device, the machine shaft integral sealing is got up, machine shaft installs inner rotation at this, and then the part by this device is delivered to the outside of this device with the rotation of motor, realizes the driving function of this mechanism; So just the dynamic seal at machine shaft place can be converted into static seal, realize the function of dynamic seal by pure static seal, thereby can increase the reliability of sealing, reduce sealing difficulty, eliminate the friction that motor-shaft extending place and housing relative motion produce, thereby improve mechanical efficiency.
The utility model content
The purpose of this utility model is to provide a kind of actuating device of static seal under water.This actuating device is converted into static seal with the dynamic seal at machine shaft place, realize the function of dynamic seal by pure static seal, thereby increase the reliability of sealing, reduce sealing difficulty, eliminate the friction that motor-shaft extending place and housing relative motion produce, and then improve mechanical efficiency.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises outer support, is rotatably installed in the seal casinghousing on the outer support and is separately positioned on the interior motor of seal casinghousing, control circuit board, weight pendulum, wherein be rotatably connected to interior fulcrum in the seal casinghousing, described weight swinging hanging in this on fulcrum, and can swing around the longitudinal center line of interior fulcrum; Described motor and control circuit board are installed in respectively weight and lay out, and motor is electrically connected with control circuit board, and the output shaft of described motor drives by the described seal casinghousing rotation of actuator drives, realization.
Wherein: described driving device is the internal gear group, comprises gear and inner gear, and its middle gear is connected on the output shaft of motor, and inner gear is installed in the inside face of seal casinghousing one side end cap and meshes with described gear; Described motor drives described end cap and then drives whole seal casinghousing rotation by the engaged transmission of gear and inner gear; Described weight pendulum comprises inner fixed stand and power brick, wherein inner fixed stand is suspended on the described interior fulcrum, also can swings around the longitudinal center line of interior fulcrum, described power brick is installed in the bottom of inner fixed stand, and described motor and control circuit board are fixed in respectively the top of inner fixed stand; Described power brick is semi-cylindrical in configuration, and its axial line of centers parallels with the longitudinal center line of described interior fulcrum; The bottom of described power brick is surrounded by the plummet that increases its weight; Described inner fixed stand top is equipped with supporting plate in the axial both sides of inner fixed stand, and described motor and control circuit board are fixed in respectively on the supporting plate of the axial both sides of inner fixed stand; Described seal casinghousing comprises the end cap at sealed chamber and two ends, and wherein sealed chamber is cylindrical shape, and the end cap at two ends is sealedly connected on the two ends of sealed chamber by O-ring seals; The two ends of described interior fulcrum are rotatably connected on respectively the inside face of two ends end cap by neck bearing, wherein the inside face of arbitrary end end cap is connected with inner gear; The outside face of described two ends end cap all is connected with outer fulcrum, and this outer fulcrum is installed on the described outer support by outer bearing; Described motor is brushless motor, and motor output shaft rotates in the seal cavity of seal casinghousing inside, the rotation of motor output shaft is delivered to the outside of described actuating device by driving device.
Advantage of the present utility model and good effect are:
1. the utility model is installed in motor in the seal casinghousing, and motor output shaft rotates in seal cavity, and the dynamic seal of motor is converted into static seal, has reduced the degree of difficulty of underwater sealing, has increased the reliability of sealing.
2. the utility model has reduced the energy that the motor output shaft pivoting friction consumes owing to need not to adopt dynamic seal, has improved motor-driven mechanical efficiency.
Description of drawings
Fig. 1 is inner structure scheme drawing of the present utility model;
Fig. 2 is the left view of Fig. 1;
Wherein: 1 is outer fulcrum, and 2 is end cap, and 3 is gear, and 4 is motor, and 5 is control circuit board, and 6 is interior fulcrum, and 7 is neck bearing, and 8 is outer bearing, and 9 is sealed chamber, and 10 is outer support, and 11 is inner fixed stand, and 12 is plummet, and 13 is power brick, and 14 is inner gear, and 15 is supporting plate.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the utility model comprises outer support 10, seal casinghousing, motor 4, control circuit board 5, driving device and weight pendulum, wherein seal casinghousing is installed in rotation on the outer support 10, the two ends of seal casinghousing can connect driven parts, perhaps can twine hawser on the sealed chamber of seal casinghousing, motor 4, control circuit board 5 and weight pendulum are installed in the confined space of seal casinghousing inside.
Seal casinghousing comprises sealed chamber 9 and is positioned at two end caps 2 at sealed chamber 9 two ends, and sealed chamber 9 is cylindrical shape, and two end caps 2 are sealedly connected on respectively the two ends of sealed chamber 9 by O-ring seals, with the sealed chamber 9 common housings that consist of an inner sealing.The outside face of two end caps 2 all is connected with outer fulcrum 1, and this outer fulcrum 1 is installed on the described outer support 10 by outer bearing 8, so that whole seal casinghousing can rotate.Be provided with interior fulcrum 6 in the inside of sealed chamber 9, the two ends of fulcrum 6 are installed in rotation on the inside face of two end caps 2 respectively the longitudinal center line conllinear of the line of centers of the longitudinal center line of interior fulcrum 6 and two end caps 2, the longitudinal center line of sealed chamber 9 and outer fulcrum 1 in being somebody's turn to do by neck bearing 7.
On the fulcrum 6, the weight pendulum comprises inner fixed stand 11, plummet 12 and power brick 13 to the weight swinging hanging in this, and inner fixed stand 11 is suspended on the interior fulcrum 6, and can swing around the longitudinal center line of interior fulcrum 6.Described power brick 13 is installed in the bottom of inner fixed stand 11, swings with the longitudinal center line of inner fixed stand 11 around interior fulcrum 6; Power brick 13 is semi-cylindrical in configuration, and its axial line of centers parallels with the longitudinal center line of interior fulcrum 6, is surrounded by plummet 12 in the bottom of power brick 13, to increase the weight of power brick 13.Inner fixed stand 11 tops are equipped with supporting plate 15 in inner fixed stand 11 axial both sides, two supporting plate 15 height of living in are not higher than the height of interior fulcrum 6, motor 4 and control circuit board 5 are fixed in respectively on two supporting plates 15 of inner fixed stand 11 axial both sides, and power brick 13, plummet 12 and motor 4, control circuit board 5 also can be regarded a weight pendulum that is suspended on the interior fulcrum 6 as like this; Motor 4 and control circuit board 5(prior art) be electrically connected.
Motor 4 can be selected the high-speed brushless motor, its control ratio is easier to, and the work life of this motor is longer.The output shaft of motor 4 rotates in the seal cavity of the seal casinghousing inside that is comprised of sealed chamber 9 and end cap 2, by driving device the rotation of motor 4 output shafts is delivered to the outside of the utility model actuating device, drives driven parts action by seal casinghousing.Driving device is the internal gear group, comprise gear 3 and inner gear 14, its middle gear 3 is connected on the output shaft of motor 4, inner gear 14 be fixed in either side end cap 2 inside face (present embodiment is the end cap inside face that is fixed among Fig. 1 on the right side) and with gear 3 engagements; Motor 4 drives end cap 2 and then drives whole seal casinghousing rotation by the engaged transmission of gear 3 with inner gear 14.
Workpiece principle of the present utility model is:
When the output shaft rotation of motor 4, the inner gear 14 that the gear 3 on the output shaft will drive on the end cap 2 rotates; Because power brick 13(comprises plummet 12) gravity is larger, and the position of output axle of motor 4 is almost motionless, and namely the center shaft position of gear 3 is motionless, and gear 3 rotates and drives the inner gear 14 that meshes together with it and rotate, and then drives end cap 2 rotations; And end cap 2 is fixed together with sealed chamber 9 and outer fulcrum 1, like this, the output shaft rotation of motor 4 just drives whole seal casinghousing and rotates, i.e. the rotation of motor 4 in seal casinghousing inside is passed to outside the seal casinghousing, and then driving miscellaneous part, perhaps folding and unfolding hawser.
Claims (9)
1. static seal actuating device under water, it is characterized in that: comprise outer support (10), be rotatably installed in the seal casinghousing on the outer support (10) and be separately positioned on the interior motor (4) of seal casinghousing, control circuit board (5), weight pendulum, wherein be rotatably connected to interior fulcrum (6) in the seal casinghousing, described weight swinging hanging fulcrum (6) in this is gone up, also can be swung around the longitudinal center line of interior fulcrum (6); Described motor (4) and control circuit board (5) are installed in respectively weight and lay out, and motor (4) is electrically connected with control circuit board (5), and the output shaft of described motor (4) drives by the described seal casinghousing rotation of actuator drives, realization.
2. by the actuating device of static seal under water claimed in claim 1, it is characterized in that: described driving device is the internal gear group, comprise gear (3) and inner gear (14), its middle gear (3) is connected on the output shaft of motor (4), and inner gear (14) is installed in the inside face of seal casinghousing one side end cap (2) and meshes with described gear (3); Described motor (4) drives described end cap (2) and then drives whole seal casinghousing rotation by the engaged transmission of gear (3) with inner gear (14).
3. by the actuating device of static seal under water claimed in claim 1, it is characterized in that: described weight pendulum comprises inner fixed stand (11) and power brick (13), wherein inner fixed stand (11) is suspended on the described interior fulcrum (6), also can swings around the longitudinal center line of interior fulcrum (6), described power brick (13) is installed in the bottom of inner fixed stand (11), and described motor (4) and control circuit board (5) are fixed in respectively the top of inner fixed stand (11).
4. by the actuating device of static seal under water claimed in claim 3, it is characterized in that: described power brick (13) is semi-cylindrical in configuration, and its axial line of centers parallels with the longitudinal center line of described interior fulcrum (6).
5. by claim 3 or the 4 described actuating devices of static seal under water, it is characterized in that: the bottom of described power brick (13) is surrounded by the plummet (12) that increases its weight.
6. by the actuating device of static seal under water claimed in claim 3, it is characterized in that: described inner fixed stand (11) top is equipped with supporting plate (15) in the axial both sides of inner fixed stand (11), and described motor (4) and control circuit board (5) are fixed in respectively on the supporting plate (15) of the axial both sides of inner fixed stand (11).
7. by the actuating device of static seal under water claimed in claim 1, it is characterized in that: described seal casinghousing comprises the end cap (2) at sealed chamber (9) and two ends, wherein sealed chamber (9) is cylindrical shape, and the end cap at two ends (2) is sealedly connected on the two ends of sealed chamber (9) by O-ring seals; The two ends of described interior fulcrum (6) are rotatably connected on respectively the inside face of two ends end cap (2) by neck bearing (7), wherein the inside face of arbitrary end end cap (2) is connected with inner gear (14).
8. by the actuating device of static seal under water claimed in claim 7, it is characterized in that: the outside face of described two ends end caps (2) all is connected with outer fulcrum (1), and this outer fulcrum (1) is installed on the described outer support (10) by outer bearing (8).
9. by the actuating device of static seal under water claimed in claim 1, it is characterized in that: described motor (4) is brushless motor, motor (4) output shaft rotates in the seal cavity of seal casinghousing inside, the rotation of motor (4) output shaft is delivered to the outside of described actuating device by driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220402753 CN202703876U (en) | 2012-08-15 | 2012-08-15 | Underwater static seal driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220402753 CN202703876U (en) | 2012-08-15 | 2012-08-15 | Underwater static seal driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202703876U true CN202703876U (en) | 2013-01-30 |
Family
ID=47584203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220402753 Expired - Fee Related CN202703876U (en) | 2012-08-15 | 2012-08-15 | Underwater static seal driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202703876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595180A (en) * | 2012-08-15 | 2014-02-19 | 中国科学院海洋研究所 | Internal creeping underwater driving mechanism |
| CN103879530A (en) * | 2014-03-20 | 2014-06-25 | 中国海洋石油总公司 | Underwater static seal locking mechanism |
-
2012
- 2012-08-15 CN CN 201220402753 patent/CN202703876U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595180A (en) * | 2012-08-15 | 2014-02-19 | 中国科学院海洋研究所 | Internal creeping underwater driving mechanism |
| CN103595180B (en) * | 2012-08-15 | 2015-09-30 | 中国科学院海洋研究所 | Inner climbing type is driving mechanism under water |
| CN103879530A (en) * | 2014-03-20 | 2014-06-25 | 中国海洋石油总公司 | Underwater static seal locking mechanism |
| CN103879530B (en) * | 2014-03-20 | 2016-08-17 | 中国海洋石油总公司 | Static seal retaining mechanism under water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20130815 |