CN203453619U - Self-adaptive three-point umbrella type pipe inner wall supporting device - Google Patents
Self-adaptive three-point umbrella type pipe inner wall supporting device Download PDFInfo
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- CN203453619U CN203453619U CN201320486953.4U CN201320486953U CN203453619U CN 203453619 U CN203453619 U CN 203453619U CN 201320486953 U CN201320486953 U CN 201320486953U CN 203453619 U CN203453619 U CN 203453619U
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Abstract
The utility model relates to the technical field of cutting-off equipment for abandoned offshore drilling well tubes and drilling platform supporting vertical tubes, in particular to a self-adaptive three-point umbrella type pipe inner wall supporting device. The self-adaptive three-point umbrella type pipe inner wall supporting device is characterized in that the self-adaptive three-point umbrella type pipe inner wall supporting device comprises an three-point axial guide supporting mechanism, a three-point umbrella type crank sliding block supporting mechanism and a driving mechanism are arranged on the three-point axial guide supporting mechanism, and supporting rollers are arranged at the inner pipe wall supporting ends of three supporting connecting rods unfolded in the radius direction so as to guarantee that a three-point umbrella type pipe inner wall supporting mechanism cannot be stuck when the three-point umbrella type pipe inner wall supporting mechanism moves in a pipe; a gear transmission mechanism with a speed reducing alternating-current servo motor drives a lead screw to perform rotary motion, a lead screw nut mechanism enables the rotary motion to be converted into nut linear motion, the nut mechanism is provided with three connecting rod supporting arms, the three connecting rod supporting arms are distributed in the peripheral direction at the interval of 120 degrees, therefore, the three connecting rod supporting arms are driven in a self-centering mode to be unfolded in the radius direction so as to meet the requirements of different clamping forces and different pipe inner wall inner diameters, and the magnitude of the clamping forces and the size of the pipe inner wall inner diameters can be obtained through a control algorithm. The self-adaptive three-point umbrella type pipe inner wall supporting device is safe and convenient to use and high in adaptability.
Description
Technical field:
The utility model relates to for discarded coastal waters offshore drilling well casing and drill platform supporting standpipe excision equipment technical field thereof, specifically relates to 3 umbrella formula inner-walls of duct bearing devices of a kind of self adaption.
Background technique:
In prior art, discarded coastal waters offshore drilling well casing and drill platform supporting standpipe thereof adopt traditional processing method: cast off once and for all, the problem of its existence is that the pipe abandon in coastal waters can affect maritime traffic safety; Adopt artificial way to excise along the outer wall of pipe abandon, the problem of its existence is to remove the low and thoroughly excision of efficiency, generally can leave under water remnants, also can exert an influence safely to maritime traffic; Adopt the method for explosion to remove, the problem of its existence is to affect ecological, befouling environment; At present, China's national correlation department requires must be the pipe abandon in coastal waters in the situation that free from environmental pollution, and ground 3m is above under water removes pipe abandon, and traditional way can not meet the demands.
Summary of the invention:
The utility model is 3 the umbrella formula inner-walls of duct bearing devices of a kind of self adaption that provide for defect of the prior art, thereby efficiently solves the problems of the prior art.
The utility model solves the scheme that its technical problem adopts: described 3 umbrella formula inner-walls of duct bearing devices of self adaption, be characterized in comprising 3 axially directed support mechanisms, on 3 axially directed support mechanisms, be provided with 3 umbrella formula crank block support mechanisms and driving mechanism, 3 described axially directed support mechanisms comprise upper bearing plate and lower support plate, are provided with the axis of guide and trapezoidal screw in the middle of upper bearing plate and lower support plate, 3 described umbrella formula crank block support mechanisms comprise screw mandrel guided bearing seat and the three fulcrum nut support seats that are arranged on the axis of guide, screw mandrel guided bearing seat is fixedly mounted on the axis of guide, three fulcrum nut support cover for seat are contained on the axis of guide, three fulcrum nut support seat middle parts are provided with the trapezoidal nut coordinating with trapezoidal screw, on screw mandrel guided bearing seat, be provided with bearing connecting rod, the front end of bearing connecting rod is provided with supporting rollern, on three fulcrum nut support seats, be provided with for supporting the link supporting arm of bearing connecting rod, described driving mechanism comprises AC servo motor, AC servo motor is connected with retarder and is arranged in lower support plate, on the pto＝power take-off of retarder, be provided with little reduction gear, little reduction gear is meshed with the big retarding gear that is arranged on trapezoidal screw lower end.
The described axis of guide is three, and three axis of guides evenly around trapezoidal screw around and be fixedly mounted between upper bearing plate and lower support plate by tightening nut.
Described link supporting arm lower end is connected with three fulcrum nut support seats by the first coupling shaft, and link supporting arm upper end is connected with bearing connecting rod by the 3rd coupling shaft.
Described bearing connecting rod is connected with screw mandrel guided bearing seat by the 4th coupling shaft.
Described supporting rollern is connected with bearing connecting rod by the second coupling shaft.
Described little reduction gear and big retarding gear are all arranged on lower support plate bottom.
The utility model passes through technique scheme, there is following effect: described 3 umbrella formula inner-walls of duct bearing devices of a kind of self adaption, its three three bearing connecting rods that launch along radial direction, are not stuck when guaranteeing that 3 umbrella formula inner-walls of duct support mechanisms move in pipeline with supporting rollern at inner tubal wall supported end; Its band deceleration AC servo motor, gear drive drive screw mandrel to do rotation motion, by screw-nut body, rotation motion is converted to nut straight line motion, on nut body with three link supporting arms, these three link supporting arms along the circumferential direction 120 degree are uniform, thereby drive three bearing connecting rod arms to launch along radial direction in self contering mode, to adapt to the requirement of different clamping forces and inner-walls of duct internal diameter, by control algorithm, can obtain corresponding clamping force and inner-walls of duct internal diameter size.It is safe and convenient to use, strong adaptability.
Accompanying drawing explanation:
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is the plan structure schematic diagram of Fig. 1 of the present utility model;
Fig. 3 is the A-A place sectional structure schematic diagram of Fig. 1 of the present utility model;
Fig. 4 is the B-B place sectional structure schematic diagram of Fig. 1 of the present utility model.
Shown in figure: 1, lower support plate; 2, trapezoidal screw; 3, trapezoidal nut; 4, three fulcrum nut support seats; 5, the first coupling shaft; 6, link supporting arm; 7, supporting rollern; 8, the second coupling shaft; 9, the 3rd coupling shaft; 10, bearing connecting rod; 11, the 4th coupling shaft; 12, upper bearing plate; 13, screw mandrel guided bearing seat; 14, tightening nut; 15, the axis of guide; 16, AC servo motor; 17, retarder; 18, little reduction gear; 19, big retarding gear.
Embodiment
Below in conjunction with the most preferred embodiment shown in accompanying drawing, be described in further detail
As shown in Figures 1 to 4, described 3 umbrella formula inner-walls of duct bearing devices of self adaption, be characterized in comprising 3 axially directed support mechanisms, on 3 axially directed support mechanisms, be provided with 3 umbrella formula crank block support mechanisms and driving mechanism, 3 described axially directed support mechanisms comprise upper bearing plate 12 and lower support plate 1, in the middle of upper bearing plate 12 and lower support plate 1, are provided with the axis of guide 15 and trapezoidal screw 2, 3 described umbrella formula crank block support mechanisms comprise screw mandrel guided bearing seat 13 and the three fulcrum nut support seats 4 that are arranged on the axis of guide 15, screw mandrel guided bearing seat 13 is fixedly mounted on the axis of guide 15, three fulcrum nut support seats 4 are sleeved on the axis of guide 15, three fulcrum nut support seat 4 middle parts are provided with the trapezoidal nut 3 coordinating with trapezoidal screw 2, on screw mandrel guided bearing seat 13, be provided with bearing connecting rod 10, the front end of bearing connecting rod 10 is provided with supporting rollern 7, on three fulcrum nut support seats 4, be provided with for supporting the link supporting arm 6 of bearing connecting rod 10, described driving mechanism comprises AC servo motor 16, AC servo motor 16 is connected with retarder 17 and is arranged in lower support plate 1, on the pto＝power take-off of retarder 17, be provided with little reduction gear 18, little reduction gear 18 is meshed with the big retarding gear 19 that is arranged on trapezoidal screw 2 lower ends.
Further, the described axis of guide 15 is three, and three axis of guides 15 evenly around trapezoidal screw 2 around and be fixedly mounted between upper bearing plate 12 and lower support plate 1 by tightening nut 14.
Further, described link supporting arm 6 lower ends are connected with three fulcrum nut support seats 4 by the first coupling shaft 5, and link supporting arm 6 upper ends are connected with bearing connecting rod 10 by the 3rd coupling shaft 9.
Further, described bearing connecting rod 10 is connected with screw mandrel guided bearing seat 13 by the 4th coupling shaft 11.
Further, described supporting rollern 7 is connected with bearing connecting rod 10 by the second coupling shaft 8.
Further, described little reduction gear 18 and big retarding gear 19 are all arranged on lower support plate 1 bottom.
Described 3 umbrella formula inner-walls of duct bearing devices of self adaption, during use, its 3 umbrella formula inner-walls of duct support mechanisms are by being with deceleration AC servo machinery driving gear mechanism, to move with transmission of power to trapezoidal screw nut displacement mechanism, 3 umbrella formula crank block support mechanisms of movement by nut launch at radial direction, drive supporting rollern stretching inner-walls of duct.
Claims (5)
1. 3 umbrella formula inner-walls of duct bearing devices of a self adaption, it is characterized in that comprising 3 axially directed support mechanisms, on 3 axially directed support mechanisms, be provided with 3 umbrella formula crank block support mechanisms and driving mechanism, 3 described axially directed support mechanisms comprise upper bearing plate and lower support plate, are provided with the axis of guide and trapezoidal screw in the middle of upper bearing plate and lower support plate, 3 described umbrella formula crank block support mechanisms comprise screw mandrel guided bearing seat and the three fulcrum nut support seats that are arranged on the axis of guide, screw mandrel guided bearing seat is fixedly mounted on the axis of guide, three fulcrum nut support cover for seat are contained on the axis of guide, three fulcrum nut support seat middle parts are provided with the trapezoidal nut coordinating with trapezoidal screw, on screw mandrel guided bearing seat, be provided with bearing connecting rod, the front end of bearing connecting rod is provided with supporting rollern, on three fulcrum nut support seats, be provided with for supporting the link supporting arm of bearing connecting rod, described driving mechanism comprises AC servo motor, AC servo motor is connected with retarder and is arranged in lower support plate, on the pto＝power take-off of retarder, be provided with little reduction gear, little reduction gear is meshed with the big retarding gear that is arranged on trapezoidal screw lower end.
2. 3 umbrella formula inner-walls of duct bearing devices of self adaption according to claim 1, it is characterized in that: the described axis of guide is three, three axis of guides evenly around trapezoidal screw around and be fixedly mounted between upper bearing plate and lower support plate by tightening nut.
3. 3 umbrella formula inner-walls of duct bearing devices of self adaption according to claim 1, it is characterized in that: described link supporting arm lower end is connected with three fulcrum nut support seats by the first coupling shaft, link supporting arm upper end is connected with bearing connecting rod by the 3rd coupling shaft.
4. 3 umbrella formula inner-walls of duct bearing devices of self adaption according to claim 1, is characterized in that: described bearing connecting rod is connected with screw mandrel guided bearing seat by the 4th coupling shaft.
5. 3 umbrella formula inner-walls of duct bearing devices of self adaption according to claim 1, is characterized in that: described supporting rollern is connected with bearing connecting rod by the second coupling shaft, and described little reduction gear and big retarding gear are all arranged on lower support plate bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486953.4U CN203453619U (en) | 2013-08-10 | 2013-08-10 | Self-adaptive three-point umbrella type pipe inner wall supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486953.4U CN203453619U (en) | 2013-08-10 | 2013-08-10 | Self-adaptive three-point umbrella type pipe inner wall supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453619U true CN203453619U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320486953.4U Expired - Fee Related CN203453619U (en) | 2013-08-10 | 2013-08-10 | Self-adaptive three-point umbrella type pipe inner wall supporting device |
Country Status (1)
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|---|---|
| CN (1) | CN203453619U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383019A (en) * | 2013-08-10 | 2013-11-06 | 北华航天工业学院 | Adaptive three-point umbrella pipeline inner wall supporting device |
| CN108662353A (en) * | 2018-07-16 | 2018-10-16 | 香港中文大学（深圳） | A kind of tapered pipeline robot |
| CN108662352A (en) * | 2018-07-16 | 2018-10-16 | 香港中文大学（深圳） | A kind of tapered pipeline detection robot |
| CN108758165A (en) * | 2018-07-16 | 2018-11-06 | 香港中文大学（深圳） | A kind of steering tapered pipeline robot |
-
2013
- 2013-08-10 CN CN201320486953.4U patent/CN203453619U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383019A (en) * | 2013-08-10 | 2013-11-06 | 北华航天工业学院 | Adaptive three-point umbrella pipeline inner wall supporting device |
| CN103383019B (en) * | 2013-08-10 | 2015-10-07 | 北华航天工业学院 | Self adaption 3 umbrella-type inner-walls of duct bearing devices |
| CN108662353A (en) * | 2018-07-16 | 2018-10-16 | 香港中文大学（深圳） | A kind of tapered pipeline robot |
| CN108662352A (en) * | 2018-07-16 | 2018-10-16 | 香港中文大学（深圳） | A kind of tapered pipeline detection robot |
| CN108758165A (en) * | 2018-07-16 | 2018-11-06 | 香港中文大学（深圳） | A kind of steering tapered pipeline robot |
| CN108662352B (en) * | 2018-07-16 | 2023-09-01 | 香港中文大学（深圳） | Reducing pipeline detection robot |
| CN108662353B (en) * | 2018-07-16 | 2023-09-01 | 香港中文大学（深圳） | Reducing pipeline robot |
| CN108758165B (en) * | 2018-07-16 | 2023-09-01 | 香港中文大学（深圳） | Steering reducing pipeline robot |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20150810 |
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| EXPY | Termination of patent right or utility model |