CN201606080U - Float drilling device for offshore drilling machine - Google Patents
Float drilling device for offshore drilling machine Download PDFInfo
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- CN201606080U CN201606080U CN2009202763134U CN200920276313U CN201606080U CN 201606080 U CN201606080 U CN 201606080U CN 2009202763134 U CN2009202763134 U CN 2009202763134U CN 200920276313 U CN200920276313 U CN 200920276313U CN 201606080 U CN201606080 U CN 201606080U
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- control valve
- support body
- lift cylinder
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Abstract
The utility model relates to a float drilling device for an offshore drilling machine, and belongs to the field of engineering machinery. The float drilling device comprises a float drilling mechanism, a control valve, an oil pump and an oil tank, wherein the float drilling mechanism comprises a pressurization lifting oil cylinder, a rodless cavity hydraulic fluid port of the pressurization lifting oil cylinder is communicated with a first working hydraulic fluid port of the control valve, and a rod cavity hydraulic fluid port of the pressurization lifting oil cylinder is communicated with a second working hydraulic fluid port of the control valve; and the oil inlet of the control valve is communicated with the oil tank through an oil inlet pipe, the oil pump is connected to the oil inlet pipe, and the oil return opening of the control valve is communicated with the oil tank through the oil return pipe. The utility model with smart and reasonable structure can realize the function of automatic floating compensation in the hydraulic system of the drilling machine, thereby achieving safe and reliable use, no added manufacturing cost and more convenient maintenance; and the float drilling device can fully meet the technology requirements of offshore drilling machine operation, and improve the technical level and the degree of automation.
Description
Technical field
The utility model relate to a kind of installation aboard ship, can overcome the device that wave rises and falls and to carry out normal drilling operation, specifically be a kind of floating drilling device of offshore drill, belong to engineering machinery field.
Background technology
Marine rig is mainly used in to be reconnoitred and sample analysis the geologic structure of coastal waters sea bed.The rig of constructing on land at ordinary times is installed on the ship, forms an integral body, promptly constitute marine rig.The job platform of marine rig is aboard ship, the maximum difference of itself and land rig is: hull and rig can rise and fall along with wave (drop up and down that still has 300～400mm when satisfying operating condition), form at the bottom of can causing a whole set of drilling rod and drill bit to the hole and impact, and this impact force is the summation of whole ship and rig, drilling rod weight, huge impact power directly causes drilling rod, rig to be damaged easily, can't carry out drilling construction.
In order to overcome the construction difficult problem that wave rises and falls and brings, the technical scheme of at present existing marine rig mainly is to solve on the structure of rig, two kinds of methods are roughly arranged, the one, adopt the method that steel cable hangs, pulley compensates, the 2nd, the method that adopts the ratchet retaining to compensate.Though these two kinds of methods can solve the problem that wave rises and falls, obviously increased the complexity of structure, increase the manufacturing maintenance cost, and be unfavorable for the raising of efficiency of construction.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of structure ingenious reasonable, safe and reliable, the manufacturing floating drilling device of offshore drill that maintenance cost is low, automaticity is high.
The technical scheme that provides according to the utility model, described floating drilling device of offshore drill comprises unsteady drilling mechanism, control valve, oil pump and fuel tank, unsteady drilling mechanism comprises the pressurization lift cylinder, the rodless cavity hydraulic fluid port of pressurization lift cylinder is connected with first actuator port of control valve, and the rod chamber hydraulic fluid port of pressurization lift cylinder is connected with second actuator port of control valve; The oil-in of control valve is connected with oil pump by oil inlet pipe, the oil return opening of control valve is connected with fuel tank by oil return pipe, be connected with oil pump on the oil inlet pipe, the oil-in of control valve is connected with fuel tank by oil inlet pipe, it is characterized in that described unsteady drilling mechanism also comprises drilling rod, unit head, first chain, double slider roller, top roller, pressurization lift cylinder, advances support body, second chain and bottom roller; Top roller, bottom roller are separately positioned on the upper and lower end that advances support body, and the pressurization lift cylinder is fixed on and advances on the support body, and double slider roller is connected on the oil cylinder piston; Drilling rod is connected on the unit head, and unit head is connected on the Connection Block; One end of first chain is connected Connection Block top, and the other end of first chain is walked around top pulleys top, double slider roller bottom successively, is fixed on then to advance on the support body; One end of second chain is connected the Connection Block bottom, and the other end of second chain is walked around roller bottom, bottom, double slider roller top successively, is fixed on then to advance on the support body.
Described top roller is installed on the roller mount of top by the top roller shaft, and the top roller mount is installed in by bolt and advances the support body upper end; Described bottom roller is installed in by the bottom roller shaft and advances the support body lower end.
The tail end of described pressurization lift cylinder is installed in the top that advances support body by bolt, and the oil cylinder piston lower end connects double slider roller seat, and described double slider roller is installed on the double slider roller seat by double slider roller axle.
As further improvement of the utility model, be serially connected with equalizing valve between the rodless cavity hydraulic fluid port of described pressurization lift cylinder and the rod chamber hydraulic fluid port.
As further improvement of the utility model, be connected with the oil suction oil filter between described oil pump and the fuel tank, be connected with return filter on the described oil return pipe.
The utility model compared with the prior art, advantage is: structure is ingenious rationally, in the hydraulic system of rig, realize the function of automatic floating compensation, safe and reliable, and manufacturing cost does not have to increase, safeguards more convenient substantially, can satisfy the arts demand of offshore rig operation fully, on the hierarchy of skill of product and automaticity, promote to some extent.
Description of drawings
Fig. 1 is a working condition simplified schematic diagram of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Description of reference numerals: 1-hull, the 2-drilling mechanism that floats, the 3-drilling rod, the 4-connecting bolt, the 5-unit head, the 6-Connection Block, the 7-bolt, the 8-connecting bolt, 9-first chain, the double slider roller of 10-, the double slider roller axle of 11-, the double slider roller seat of 12-, 13-bulb lid, the 14-hexagon socket head cap screw, the 15-connecting bolt, 16-top roller, 17-top roller shaft, the 18-bolt, 19-top roller mount, the 20-lift cylinder that pressurizes, the 21-oil cylinder piston, 22-advances support body, 23-first oil pipe, 24-second oil pipe, the 25-equalizing valve, 26-, the 27-control valve, 28-, the 29-oil return pipe, the 30-return filter, the 31-oil pump, 32-oil suction oil filter, the 33-motor, the 34-oil inlet pipe, the 35-fuel tank, the 36-bolt, 37-second chain, 38-bottom roller, 39-bottom roller shaft.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure, the utility model is installed on the hull 1, mainly is made up of component such as unsteady drilling mechanism 2, first oil pipe 23, second oil pipe 24, equalizing valve 25, pressure meter 26, control valve 27, overflow valve 28, oil return pipe 29, oil return oil filter 30, oil pump 31, oil suction oil filter 32, motor 33, oil inlet pipe 34, fuel tank 35, bolt 36, second chain 37, bottom roller 38, bottom roller shafts 39.
As shown in Figure 2, described unsteady drilling mechanism 2 mainly is made up of drilling rod 3, unit head 5, Connection Block 6, first chain 9, double slider roller 10, double slider roller seat 12, top roller 16, top roller mount 19, pressurization lift cylinder 20, propelling support body 22, second chain 37 and bottom roller 38; Top roller 16, bottom roller 38 are separately positioned on the upper and lower end that advances support body 22, and top roller 16 is installed on the top roller mount 19 by top roller shaft 17, and top roller mount 19 utilizes bolt 18 to be connected the upper end that advances support body 22; The tail end of pressurization lift cylinder 20 also utilizes bolt 18 to be connected the top that advances support body 22, and double slider roller 10 is connected on the oil cylinder piston 21, and double slider roller 10 can be free to slide along with the flexible of oil cylinder piston 21; Drilling rod 3 is by self being threaded on the unit head 5, and unit head 5 is connected on the Connection Block 6 by bolt 7, and Connection Block 6 can advance slip on the support body 22; One end of first chain 9 is connected Connection Block 6 tops by connecting bolt 8, and the other end of first chain 9 is walked around top pulleys 16 tops, double slider roller 10 bottoms successively, is fixed on by connecting bolt 15 then to advance on the support body 22; One end of second chain 37 is connected Connection Block 6 bottoms by connecting bolt 4, and the other end of second chain 37 is walked around roller 38 bottoms, bottom, double slider roller 10 tops successively, is fixed on by connecting bolt 36 then to advance on the support body 22.
As shown in Figure 2, described double slider roller 10 is installed on the double slider roller seat 12 by double slider roller axle 11, and double slider roller seat 12 utilizes hexagon socket head cap screw 14, bulb lid 13 to be connected on the bulb of oil cylinder piston 21 lower ends.
As shown in Figure 2, the rodless cavity hydraulic fluid port of described pressurization lift cylinder 20 is connected with first actuator port of control valve 27 by first oil pipe 23, the rod chamber hydraulic fluid port of pressurization lift cylinder 20 is connected with second actuator port of control valve 27 by second oil pipe 24, be serially connected with equalizing valve 25 between pressurization rodless cavity hydraulic fluid port of lift cylinder 20 and the rod chamber hydraulic fluid port, be used to avoid the impact that moves up and down.The oil-in of described control valve 27 is connected with oil pump 31 and oil suction oil filter 32 by oil inlet pipe 34, and oil pump 31 links to each other with motor 33, motor 33 oil pump work undetermined, and inspiration hydraulic oil, oil suction oil filter 32 is used for filtering the impurity of hydraulic oil, prevents to stop up; The oil return opening of control valve 27 is connected with fuel tank 35 by oil return pipe 29, is connected with return filter 30 on the oil return pipe 29, and return filter 30 also is used for filtering the impurity of hydraulic oil, prevents to stop up.Be connected with oil pump 31 on the oil inlet pipe 34, the oil-in of control valve 27 is connected with fuel tank 35 by oil inlet pipe 34, the model that described control valve 27 can adopt Italian extra large moral hydraulic control joint-stock company to produce is the control valve of HC-D6/3, be integrated with pressure meter 26 and overflow valve 28 on this control valve, pressure meter 26 can make things convenient for the pressure of observation system, be convenient to control, overflow valve 28 can be opened when system pressure is excessive, the safeguards system safe operation.
The course of work of the present utility model and operating principle are as follows:
When wave rose, hull 1 rose thereupon, carries out drilling operation at the bottom of making the drilling tool that is connected on the drilling rod 3 continue to be retained in the hole, and unit head 5 needs descending; When hull 1 and pressurization lift cylinder 20 rose, the rodless cavity volume of pressurization lift cylinder 20 became big, and pressure descends, and overflow valve 28 is in closed condition; Motor 33 drives oil pump 31 output hydraulic oil, hydraulic oil is in control valve 27 enters the rodless cavity of pressurization lift cylinder 20, it is descending to promote oil cylinder piston 21, and then drive double slider roller 10 DL synchronizations, because being fixed on, an end of first chain 9 advances on the support body 22, descending first chain 9 that must affect of double slider roller 10 is descending, and first chain 9 affects Connection Block 6 and unit head 5 up through turning to of top roller 16; When unit head 5 is up, it is up thereupon that second chain 37 is connected an end of Connection Block 6 bottoms, the other end of second chain 37 is followed double slider roller 10 DL synchronizations, package unit is formed an integral body, finished the action that unit head 5 upwards promotes, and unit head 5 up stroke distances are 2 times that oil cylinder piston 21 stretches out stroke.
When wave descended, hull 1 descended thereupon, and the impact force that forms when preventing that hull 1 and floating drilling device from descending causes equipment to be damaged, and unit head 5 need be up; When hull 1 and pressurization lift cylinder 20 rose, the rodless cavity of pressurization lift cylinder 20 bore the pressure of oil cylinder piston 21, and overflow valve 28 is opened, and the hydraulic oil in pressurization lift cylinder 20 rodless cavities is got back in the fuel tank 35 via return filter 30 from overflow valve 28.
Claims (5)
1. floating drilling device of offshore drill, comprise unsteady drilling mechanism (2), control valve (27), oil pump (31) and fuel tank (35), the drilling mechanism (2) that floats comprises pressurization lift cylinder (20), the rodless cavity hydraulic fluid port of pressurization lift cylinder (20) is connected with first actuator port of control valve (27), the rod chamber hydraulic fluid port of pressurization lift cylinder (20) is connected with second actuator port of control valve (27), the oil return opening of control valve (27) is connected with fuel tank (35) by oil return pipe (29), be connected with oil pump (31) on the oil inlet pipe (34), the oil-in of control valve (27) is connected with fuel tank (35) by oil inlet pipe (34), it is characterized in that described unsteady drilling mechanism (2) also comprises drilling rod (3), unit head (5), first chain (9), double slider roller (10), top roller (16), pressurization lift cylinder (20), advance support body (22), second chain (37) and bottom roller (38); Top roller (16), bottom roller (38) are separately positioned on the upper and lower end that advances support body (22), and pressurization lift cylinder (20) is fixed on and advances on the support body (22), and double slider roller (10) is connected on the oil cylinder piston (21); Drilling rod (3) is connected on the unit head (5), and unit head (5) is connected on the Connection Block (6); One end of first chain (9) is connected Connection Block (6) top, and the other end of first chain (9) is walked around top pulleys (16) top, double slider roller (10) bottom successively, is fixed on then to advance on the support body (22); One end of second chain (37) is connected Connection Block (6) bottom, and the other end of second chain (37) is walked around roller (38) bottom, bottom, double slider roller (10) top successively, is fixed on then to advance on the support body (22).
2. floating drilling device of offshore drill as claimed in claim 1, its feature also is, described top roller (16) is installed on the top roller mount (19) by top roller shaft (17), and top roller mount (19) is installed in by bolt (18) and advances support body (22) upper end; Described bottom roller (38) is installed in by bottom roller shaft (39) and advances support body (22) lower end.
3. floating drilling device of offshore drill as claimed in claim 1, its feature also is, the tail end of described pressurization lift cylinder (20) is installed in the top that advances support body (22) by bolt (18), oil cylinder piston (21) lower end connects double slider roller seat (12), and described double slider roller (10) is installed on the double slider roller seat (12) by double slider roller axle (11).
4. floating drilling device of offshore drill as claimed in claim 1, its feature also are, are serially connected with equalizing valve (25) between the rodless cavity hydraulic fluid port of described pressurization lift cylinder (20) and the rod chamber hydraulic fluid port.
5. floating drilling device of offshore drill as claimed in claim 1, its feature also are, are connected with oil suction oil filter (32) between described oil pump (31) and the fuel tank (35), are connected with return filter (30) on the described oil return pipe (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202763134U CN201606080U (en) | 2009-12-02 | 2009-12-02 | Float drilling device for offshore drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202763134U CN201606080U (en) | 2009-12-02 | 2009-12-02 | Float drilling device for offshore drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201606080U true CN201606080U (en) | 2010-10-13 |
Family
ID=42950786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202763134U Expired - Lifetime CN201606080U (en) | 2009-12-02 | 2009-12-02 | Float drilling device for offshore drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201606080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709646B (en) * | 2009-12-02 | 2012-12-26 | 江苏省无锡探矿机械总厂有限公司 | Floating drilling device of offshore drill |
| CN102926655A (en) * | 2012-11-22 | 2013-02-13 | 上海中联重科桩工机械有限公司 | Control method and control device of rotary drilling rig and rotary drilling rig |
-
2009
- 2009-12-02 CN CN2009202763134U patent/CN201606080U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709646B (en) * | 2009-12-02 | 2012-12-26 | 江苏省无锡探矿机械总厂有限公司 | Floating drilling device of offshore drill |
| CN102926655A (en) * | 2012-11-22 | 2013-02-13 | 上海中联重科桩工机械有限公司 | Control method and control device of rotary drilling rig and rotary drilling rig |
| CN102926655B (en) * | 2012-11-22 | 2016-03-02 | 上海中联重科桩工机械有限公司 | Control method and control device of rotary drilling rig and rotary drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101013 Effective date of abandoning: 20091202 |
|
| RGAV | Abandon patent right to avoid regrant |