CN206091903U - A power balance cylinder rocker arm device for improving passive compensation ability of overhead traveling crane - Google Patents
A power balance cylinder rocker arm device for improving passive compensation ability of overhead traveling crane Download PDFInfo
- Publication number
- CN206091903U CN206091903U CN201621048426.5U CN201621048426U CN206091903U CN 206091903 U CN206091903 U CN 206091903U CN 201621048426 U CN201621048426 U CN 201621048426U CN 206091903 U CN206091903 U CN 206091903U
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- CN
- China
- Prior art keywords
- overhead traveling
- traveling crane
- balance cylinder
- rocking arm
- dynamic balance
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Abstract
The utility model relates to a power balance cylinder rocker arm device for improving passive compensation ability of overhead traveling crane, the swing arm was formed under it mainly rotated axle cap, rocking arm by swing arm on overhead traveling crane leading wheel axis of rotation, overhead traveling crane leading wheel, overhead traveling crane leading wheel rotation axle cap, the rocking arm, power balance cylinder piston rod, power balance cylinder, power balance cylinder axis of rotation, wire rope leading wheel axis of rotation, wire rope leading wheel, wire rope leading wheel. Swing arm under swing arm on the rocking arm, the rocking arm, power balance cylinder piston rod and overhead traveling crane leading wheel pass through overhead traveling crane leading wheel rotation axis connection, in the fixed mounting seat on the overhead traveling crane was installed to the overhead traveling crane leading wheel, the outside of swing arm on the rocking arm was installed to the upper end of power balance cylinder piston rod, and the wire rope leading wheel is installed on the rocking arm under swing arm and the rocking arm between the swing arm, on wire rope leading wheel, the rocking arm under swing arm and the rocking arm swing arm be connected through wire rope leading wheel axis of rotation. The utility model discloses simple structure, the maintenance of being convenient for can improve the precision and the response speed of the passive compensation of overhead traveling crane.
Description
Technical field
The utility model is related to a kind of rocker arrangement in crown-block heave compensator, belongs to marine drilling field.
Background technology
Along with the day by day exhaustion of Land petroleum resource and becoming increasingly conspicuous for oil gas supply contradiction, global Oil Gas exploitation center of gravity
Shift to the ocean for containing abundant petroleum resources, especially the direction towards deepwater drilling develops rapidly, and this is accomplished by more smart
Accurate and safe and reliable marine drilling equipment.Heave compensator is floating drilling platform when gas and oil in sea exploitation is carried out
Indispensable key equipment, its effect is the heave movement up and down for compensating drill string, so as to keep Bottom Hole Bit Weight In A substantially constant, it is ensured that bored
Well operations are smoothed out.
Crown-block heave compensator be integrate mechanical, electrical, air-liquid, automatically control, the multidisciplinary high-tech of Intelligent Measurement
Product, is widely used in gas and oil in sea development operation.At present, the crown-block heave compensator of scene application exists following
2 problems：First, its passive compensation system compensates overhead traveling crane using the large-scale gas-liquid spring of hydraulic cylinder and accumulator composition
Heave movement, and because the volume of accumulator is larger, the fluctuation that gas tank pressure is produced in compensation process can cause passive cylinder defeated
The change exerted oneself, reduces the precision of compensation, and there is a problem of response lag；Second, the rocking arm dress in overhead traveling crane compensation device
Put and be made up of with rod member auxiliary pulley, rotate with the up and down motion of overhead traveling crane, its rod member periodically stretches and shrinks, and generates
Abundant mechanical energy, but it is not used for overhead traveling crane compensation.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of that prior art is present, there is provided a kind of to be used to improve overhead traveling crane quilt
The dynamic balance cylinder rocker arrangement of dynamic compensation ability, for overcoming the shortcomings of that existing overhead traveling crane is passively compensated, can effectively utilizes rocking arm dress
The rotation mechanical energy put, improves precision and response speed that overhead traveling crane is passively compensated.
The technical scheme that the utility model is adopted is：
A kind of dynamic balance cylinder rocker arrangement for improving the passive compensation ability of overhead traveling crane of the utility model, is mainly led by overhead traveling crane
To wheel shaft, overhead traveling crane directive wheel, overhead traveling crane be oriented to wheel shaft cap, rocking arm top link, dynamic balance cylinder piston rod, dynamic balance cylinder,
Dynamic balance cylinder rotary shaft, guide wheel for steel wire rotary shaft, guide wheel for steel wire, guide wheel for steel wire rotate axle cap, the rocking arm bottom
Arm is constituted.The rocking arm top link, rocking arm lower swing arm, dynamic balance cylinder piston rod and overhead traveling crane directive wheel are rotated by overhead traveling crane directive wheel
Axle connects, and is oriented to wheel shaft cap with overhead traveling crane, prevents overhead traveling crane in heave compensation process to be oriented to the portion installed on wheel shaft
Part is skidded off or shifted；Rocking arm top link and rocking arm lower swing arm improve the intensity of structure using high strength alloy steel；Overhead traveling crane is oriented to
Wheel is installed in the fixed mounting on overhead traveling crane, is together moved up and down with overhead traveling crane, and can be oriented on wheel shaft flexibly in overhead traveling crane
Rotate；The upper end of dynamic balance cylinder piston rod is arranged on the outside of rocking arm top link, and guide wheel for steel wire is arranged on rocking arm top link
Between rocking arm lower swing arm；Guide wheel for steel wire, rocking arm top link and rocking arm lower swing arm pass through guide wheel for steel wire rotary shaft phase
Connection, and be designed with guide wheel for steel wire and rotate axle cap the displacement that prevents guide wheel for steel wire in rotation and swing；
Dynamic balance cylinder piston rod cooperates with dynamic balance cylinder, is connected with the main accumulator of compensation device；Dynamic balance cylinder bottom portion and peace
The dynamic balance cylinder rotary shaft being mounted on rocking arm lower swing arm cooperates, and is easy in steel wire rope rocker arm body motion process put down power
Weighing apparatus cylinder is together with dynamic balance cylinder piston rod around dynamic balance cylinder rotary shaft flexible rotating.Steel wire rope rocker arm body is carrying out heave movement benefit
During repaying, steel wire rope is moved in overhead traveling crane directive wheel and guide wheel for steel wire groove, the main accumulation of energy of dynamic balance cylinder and compensation device
Device cooperates, the energy that can be stored or be released in rocker arm body motion process, for overcoming gas tank in pressure oscillation cause
The change of passive cylinder power output, and the heave movement to overhead traveling crane compensates, and improves the compensation precision and response speed of device.
After assembly pulley of the steel wire rope from overhead traveling crane is drawn, overhead traveling crane directive wheel is bypassed, moved further around guide wheel for steel wire excessively and in its race
It is dynamic.
The utility model has the advantages that：Simple structure, be easy to safeguard, the capacity usage ratio of rocker arrangement can be improved, can carry
Precision and response speed that high overhead traveling crane is passively compensated.
Description of the drawings
Fig. 1 is that a kind of structure for improving the dynamic balance cylinder rocker arrangement of the passive compensation ability of overhead traveling crane of the utility model is shown
It is intended to.
Fig. 2 is the operation principle schematic diagram of the utility model dynamic balance cylinder and passive cylinder.
In figure：1. overhead traveling crane is oriented to wheel shaft, 2. overhead traveling crane directive wheel, and 3. overhead traveling crane is oriented to wheel shaft cap, 4. puts on rocking arm
Arm, 5. dynamic balance cylinder piston rod, 6. dynamic balance cylinder, 7. dynamic balance cylinder rotary shaft, 8. guide wheel for steel wire rotary shaft, 9. steel wire rope
Directive wheel, 10. guide wheel for steel wire rotate axle cap, 11. rocking arm lower swing arms, 12. overhead traveling cranes, 13. passive cylinders, 14. main accumulators.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of dynamic balance cylinder rocking arm for improving the passive compensation ability of overhead traveling crane of the utility model is filled
Put, mainly wheel shaft 1, overhead traveling crane directive wheel 2, overhead traveling crane are oriented to by overhead traveling crane and are oriented to wheel shaft cap 3, rocking arm top link 4, dynamic balance
Cylinder piston rod 5, dynamic balance cylinder 6, dynamic balance cylinder rotary shaft 7, guide wheel for steel wire rotary shaft 8, guide wheel for steel wire 9, steel wire rope
It is oriented to wheel shaft cap 10, rocking arm lower swing arm 11 to constitute.The rocking arm top link 4, rocking arm lower swing arm 11, dynamic balance cylinder piston rod
5 and overhead traveling crane directive wheel 2 wheel shaft 1 is oriented to by overhead traveling crane and is connected, and be oriented to wheel shaft cap 3 with overhead traveling crane, prevent heave from mending
Overhead traveling crane is oriented to the part installed on wheel shaft 1 and skids off or shift during repaying；Rocking arm top link 4 and rocking arm lower swing arm 11 are adopted
Improving the intensity of structure, overhead traveling crane directive wheel 2 is installed in the fixed mounting on overhead traveling crane 12 high strength alloy steel, with overhead traveling crane 12
Together move up and down, and flexible rotating on wheel shaft 1 can be oriented in overhead traveling crane, the upper end of dynamic balance cylinder piston rod 5 is arranged on shakes
The outside of arm top link 4, guide wheel for steel wire 9 is arranged between rocking arm top link 4 and rocking arm lower swing arm 11, guide wheel for steel wire
9th, rocking arm top link 4 is connected with rocking arm lower swing arm 11 by guide wheel for steel wire rotary shaft 8, and is designed with guide wheel for steel wire
Rotate axle cap 10 to prevent displacement of the guide wheel for steel wire 9 in rotation and swing；Dynamic balance cylinder piston rod 5 and dynamic balance
Cylinder 6 cooperates, and is connected with the main accumulator 14 of compensation device；The bottom of dynamic balance cylinder 6 be arranged on rocking arm lower swing arm 11 on
Dynamic balance cylinder rotary shaft 7 cooperate, be easy to make dynamic balance cylinder 6 together with dynamic balance in steel wire rope rocker arm body motion process
Cylinder piston rod 5 is around the flexible rotating of dynamic balance cylinder rotary shaft 7.After assembly pulley of the steel wire rope from overhead traveling crane 12 is drawn, bypass overhead traveling crane and lead
To wheel 2, further around crossing guide wheel for steel wire 9 and move in its race, it is to avoid the frequent winding of steel wire rope, mitigate steel wire rope
Abrasion.
When heaving movement compensation is started working, overhead traveling crane 12 is located at middle of stroke position, passive cylinder 13 and dynamic balance cylinder piston
Bar 5 also is located at middle of stroke position.During heaving movement compensation, when overhead traveling crane 12 is moved from extreme lower position or extreme higher position
During to middle of stroke, rocker arrangement forms pressure to dynamic balance cylinder piston rod 5 and promotes it in dynamic balance by overhead traveling crane directive wheel 4
Move in cylinder 6, the hydraulic oil in dynamic balance cylinder 6 is compressed, make main accumulator 14 store energy；When overhead traveling crane 12 is from center row
Journey to extreme lower position or extreme higher position move when, main accumulator 14 can discharge stored energy, by the motive force of dynamic balance cylinder 6
Balance cylinder piston rod 5 is moved out, and the heave movement of overhead traveling crane 12 is compensated, and overcomes passive caused by pressure oscillation in gas tank
The power output of cylinder 13 changes, and then improves the precision and response speed of compensation.
Claims (3)
1. a kind of dynamic balance cylinder rocker arrangement for improving the passive compensation ability of overhead traveling crane, is mainly oriented to wheel shaft by overhead traveling crane
(1), overhead traveling crane directive wheel (2), overhead traveling crane are oriented to wheel shaft cap (3), rocking arm top link (4), dynamic balance cylinder piston rod (5), power and put down
Weighing apparatus cylinder (6), dynamic balance cylinder rotary shaft (7), guide wheel for steel wire rotary shaft (8), guide wheel for steel wire (9), guide wheel for steel wire
Rotate axle cap (10), rocking arm lower swing arm (11) composition, it is characterised in that：The rocking arm top link (4), rocking arm lower swing arm (11),
Dynamic balance cylinder piston rod (5) and overhead traveling crane directive wheel (2) are oriented to wheel shaft (1) connection by overhead traveling crane, and with overhead traveling crane directive wheel
Rotate axle cap (3)；Overhead traveling crane directive wheel (2) is installed in the fixed mounting on overhead traveling crane (12), is together transported up and down with overhead traveling crane (12)
It is dynamic；The upper end of dynamic balance cylinder piston rod (5) is installed on the outside of rocking arm top link (4)；Guide wheel for steel wire (9) is installed in rocking arm
Between top link (4) and rocking arm lower swing arm (11), guide wheel for steel wire (9), rocking arm top link (4) and rocking arm lower swing arm (11) lead to
Cross guide wheel for steel wire rotary shaft (8) to be connected；After assembly pulley of the steel wire rope from overhead traveling crane (12) is drawn, overhead traveling crane directive wheel is bypassed
(2), further around crossing guide wheel for steel wire (9) and move in its race.
2. a kind of dynamic balance cylinder rocker arrangement for improving the passive compensation ability of overhead traveling crane according to claim 1, it is special
Levy and be：Dynamic balance cylinder piston rod (5) cooperates with dynamic balance cylinder (6), is connected with the main accumulator (14) of compensation device；
The inner chamber body of dynamic balance cylinder (6) is connected with the main accumulator (14) of compensation device, and dynamic balance cylinder (6) bottom turns with dynamic balance cylinder
Moving axis (7) cooperates.
3. a kind of dynamic balance cylinder rocker arrangement for improving the passive compensation ability of overhead traveling crane according to claim 1, it is special
Levy and be：Rocking arm top link (4) and rocking arm lower swing arm (11) adopt high strength alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048426.5U CN206091903U (en) | 2016-09-12 | 2016-09-12 | A power balance cylinder rocker arm device for improving passive compensation ability of overhead traveling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048426.5U CN206091903U (en) | 2016-09-12 | 2016-09-12 | A power balance cylinder rocker arm device for improving passive compensation ability of overhead traveling crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091903U true CN206091903U (en) | 2017-04-12 |
Family
ID=58475093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621048426.5U Expired - Fee Related CN206091903U (en) | 2016-09-12 | 2016-09-12 | A power balance cylinder rocker arm device for improving passive compensation ability of overhead traveling crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206091903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233212A (en) * | 2021-12-28 | 2022-03-25 | 西南石油大学 | Offshore drilling platform heave compensation device capable of generating power |
-
2016
- 2016-09-12 CN CN201621048426.5U patent/CN206091903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233212A (en) * | 2021-12-28 | 2022-03-25 | 西南石油大学 | Offshore drilling platform heave compensation device capable of generating power |
| CN114233212B (en) * | 2021-12-28 | 2023-08-11 | 西南石油大学 | But offshore drilling platform heave compensation device of electricity generation formula |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20180912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |