CN101737002B - Self-adapting locking feeding mechanism of rotary drilling rig - Google Patents
Self-adapting locking feeding mechanism of rotary drilling rig Download PDFInfo
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- CN101737002B CN101737002B CN 200910102952 CN200910102952A CN101737002B CN 101737002 B CN101737002 B CN 101737002B CN 200910102952 CN200910102952 CN 200910102952 CN 200910102952 A CN200910102952 A CN 200910102952A CN 101737002 B CN101737002 B CN 101737002B
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Abstract
The invention relates to a self-adapting locking feeding mechanism of a rotary drilling rig. The mechanism consists of a feeding device, a connecting arm, two locking oil cylinders and restoring springs with corresponding quantity, wherein both sides of the feeding device are respectively connected with the restoring springs and tail lugs of the locking oil cylinders, the middle of the feeding device is connected with one end of the connecting arm and is simultaneously and moveably clamped on a drilling mast of the rotary drilling rig, and the piston rod lugs of the two locking oil cylinders and the other end of the connecting arm are connected with a revolving power head of the rotary drilling rig. The invention has characteristics of small volume, stability, reliability, easy maintenance, convenient disassembly, low cost, and the like, and is applicable to large-stroke pressurized and large-stroke protection-barrel follow-pipe drilling rotary drilling rigs.
Description
Technical field
The present invention relates to the all-hydraulic large stroke self-adapting locking feed mechanism of a kind of Operation of Rotary Pile Drill unit head, belong to the drilling rig technique field.
Background technology
The Operation of Rotary Pile Drill unit head that uses at present adopts hydraulic jack to feed pressurization, promote, when constructing at the scene, operating environment is abominable, cylinder action is frequent, and long-term stressed and vibrations double action, in addition piston rod spontaneous corrosion, cause oil cylinder the situations such as leakage frequently to occur, can not satisfy Spiral digging machine rotary motive power head and bore optional position locking on the mast, the scene does not have again condition that oil cylinder is carried out the on-call maintenance maintenance, can only frequently change, thereby affect the complete machine normal operation, this this factor not only affects the construction period, also makes unit in charge of construction increase the input of construction cost.Simultaneously to Soft Soil Layer, the construction of grit layer the time; revolving to dig needs when creeping into to carry out borehole wall-protection with casing; and oil cylinder stroke is less than casing length; when following pipe bit to advance; can not once finish with the pipe operation; usually can operation or need repeatedly carry brill and just can finish with pipe bit, cause construction cost to increase.
Summary of the invention
The objective of the invention is for solve above-mentioned rotary digging drill power head lift cylinder stroke not enough, damage easily and be difficult for the problem such as maintenance and repair, provide a kind of self-adapting locking feed mechanism, to improve the rig functional reliability.
The present invention is achieved through the following technical solutions:
Self-adapting locking feeding mechanism of rotary drilling rig of the present invention, back-moving spring by apparatus for feeding, linking arm, two locking cylinders and respective amount forms, the apparatus for feeding both sides are connected with described back-moving spring and locking cylinder afterbody earrings respectively, be connected with linking arm one end in the middle of the apparatus for feeding, active card is connected on the brill mast guide rail of rotary drilling rig simultaneously, and the piston rod earrings of two locking cylinders and the linking arm other end are connected with the Operation of Rotary Pile Drill unit head.
Described apparatus for feeding comprises without the bearing gerotor motor, sprocket wheel, pressing sprocket, drain mast, support set, support, wear-resistant block, the cam combination, brake pad and chain, described sprocket wheel, support set, without the bearing gerotor motor, drain mast, chain, pressing sprocket, wear-resistant block, the cam combination, brake pad is rack-mount and be sleeved on and bore on the mast guide rail successively, contact with guide pass by wear-resistant block, guarantee that its easy on and off slides, be connected with locking cylinder afterbody earrings with brake pad during wherein cam set contract, after chain enclosed the bag engagement by pressing sprocket and sprocket wheel, two ends are fixed on bored mast topmast upper and lower side.
The present invention is compared with prior art: it is little, reliable and stable to have a volume, safeguard simple, convenient disassembly, the characteristics such as expense is low.
Description of drawings:
Fig. 1 is self-adapting locking feeding mechanism of rotary drilling rig of the present invention and rig connection diagram;
Fig. 2 is the apparatus for feeding structure sectional view in the self-adapting locking feeding mechanism of rotary drilling rig of the present invention;
Fig. 3 is self-adapting locking feeding mechanism of rotary drilling rig apparatus for feeding locking schematic diagram of the present invention;
Among the figure: 1-locking cylinder, 2-back-moving spring, 3-linking arm, 4-bore mast without bearing gerotor motor, 5-sprocket wheel, 6-pressing sprocket, 7-drain mast, 8-support set, 9-support, 10-wear-resistant block, the combination of 11-cam, 12-brake pad, 13-chain, 14-.
The specific embodiment:
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Shown in Fig. 1～3, self-adapting locking feeding mechanism of rotary drilling rig of the present invention is comprised of the back-moving spring 2 of apparatus for feeding, two linking arms 3, locking cylinder 1 and respective amount, the apparatus for feeding both sides are connected with described back-moving spring and locking cylinder afterbody earrings respectively, be connected with linking arm 3 in the middle of the apparatus for feeding, active card is connected on the brill mast guide rail of rotary drilling rig simultaneously, and two locking cylinder piston rod earrings, linking arm 3 other ends are connected with the Operation of Rotary Pile Drill unit head.Described apparatus for feeding comprises without bearing gerotor motor 4, sprocket wheel 5, pressing sprocket 6, drain mast 7, support set 8, support 9, wear-resistant block 10, cam combination 11, brake pad 12 and chain, described sprocket wheel 5, support set 8, without bearing gerotor motor 4, drain mast 7, chain 13, pressing sprocket 6, wear-resistant block 10, cam combination 11, brake pad 12 is installed in successively on the support 9 and is sleeved on and bores on the mast guide rail, contact with guide pass by wear-resistant block 12, guarantee that its easy on and off slides, wherein cam combination 11 is connected the afterbody earrings with brake pad 12 simultaneously and is connected with locking cylinder, after chain 13 enclosed the bag engagement by pressing sprocket 6 and sprocket wheel 5, two ends are fixed on bored mast 14 topmast upper and lower sides.
The rubbing surface of above-mentioned brake pad 11 adopts copper base or iron-base powder metallurgy material sintering on matrix, friction factor＞0.45; Chain 13 adopts tri-coupling type that power is divided equally, and by 2 pressing sprockets 6 sprocket wheel 5 is enclosed the bag engagement system and is connected with support 9, remedies in this way support 9 and may cause stepping down of distortion by wear-resistant block 10 loads when locking, increases it and connects security reliability; Adopt spline joint without bearing gerotor motor 4 and sprocket wheel 5, motor 4 axle head emptyings are positioned sprocket wheel 5 by support set 8 and chain, oil return within it chamber is flowed, spline is carried out Cooling and Lubricator, to prolong 5 application lifes of motor 4, sprocket wheel, then flow back to fuel tank by drain mast 7.
Operating principle of the present invention is: when motor operations, driving this mechanism by sprocket wheel creeps at chain, the operating pressure of motor is 35MPa, provide the 3.5MPa operating pressure by motor control valve piece bypass hydraulic fluid port for locking cylinder, this moment, locking cylinder 1 was in the state of ejecting, cam makes up 11 rotations away from boring the mast guide pass, and brake pad 12 is in release with the disengaging of brill mast guide pass under back-moving spring 2 effects, realize large stroke feeding; When motor 4 quits work, the oil circuit off-load, locking cylinder 1 reclaims under spring-force driven dual, and the drive cam makes up 11 rotary squeezing brake pads 12 and contacts with guide pass, realizes the self-adapting locking of optional position.
Claims (3)
1. self-adapting locking feeding mechanism of rotary drilling rig, it is characterized in that: this mechanism is by apparatus for feeding, linking arm (3), the back-moving spring (2) of two locking cylinders (1) and respective amount forms, described apparatus for feeding comprises without bearing gerotor motor (4), sprocket wheel (5), pressing sprocket (6), drain mast (7), support set (8), support (9), wear-resistant block (10), cam combination (11), brake pad (12) and chain (13), described sprocket wheel (5), support set (8), without bearing gerotor motor (4), drain mast (7), chain, pressing sprocket (6), wear-resistant block (10), cam combination (11), brake pad (12) is installed in successively support (9) upward and is sleeved on and bores on the mast guide rail, contact with guide pass by wear-resistant block (10), guarantee that its easy on and off slides, wherein cam combination (11) is connected 1 with brake pad (12) with locking cylinder simultaneously) the afterbody earrings is connected, after chain encloses the bag engagement by pressing sprocket (6) and sprocket wheel (5), two ends are fixed on bores mast (14) topmast upper and lower side, the apparatus for feeding both sides all are connected with described back-moving spring and locking cylinder afterbody earrings, be connected with linking arm (3) one ends in the middle of the apparatus for feeding, active card is connected on the brill mast guide rail of rotary drilling rig simultaneously, and the piston rod earrings of two locking cylinders (1) and linking arm (3) other end are connected with the Operation of Rotary Pile Drill unit head.
2. self-adapting locking feeding mechanism of rotary drilling rig as claimed in claim 1 is characterized in that: adopt spline joint without bearing gerotor motor (4) and sprocket wheel (5).
3. self-adapting locking feeding mechanism of rotary drilling rig as claimed in claim 1 is characterized in that: the rubbing surface of described brake pad (12) adopts copper base or iron-base powder metallurgy material sintering on matrix, friction factor＞0.45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910102952 CN101737002B (en) | 2009-12-18 | 2009-12-18 | Self-adapting locking feeding mechanism of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910102952 CN101737002B (en) | 2009-12-18 | 2009-12-18 | Self-adapting locking feeding mechanism of rotary drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101737002A CN101737002A (en) | 2010-06-16 |
| CN101737002B true CN101737002B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910102952 Active CN101737002B (en) | 2009-12-18 | 2009-12-18 | Self-adapting locking feeding mechanism of rotary drilling rig |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863566B (en) * | 2015-05-20 | 2017-09-29 | 山河智能装备股份有限公司 | A kind of Multifunction drilling tool control device |
| CN113653441B (en) * | 2021-08-23 | 2024-01-26 | 恒天九五重工有限公司 | Rotary supporting device and rotary drilling rig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214193U (en) * | 1987-10-09 | 1988-11-02 | 上海复兴五金厂 | Self-locking clamp |
| US5215153A (en) * | 1991-11-08 | 1993-06-01 | Younes Joseph F | Apparatus for use in driving or withdrawing such earth entering elements as drills and casings |
| CN2397250Y (en) * | 1999-06-23 | 2000-09-20 | 孙灵慧 | Portable hydraulic drilling machine with high efficient dust-removing series |
| CN1948696A (en) * | 2006-07-04 | 2007-04-18 | 山西东华机械有限公司 | Airborne anchor rod drilling machine |
| CN200992950Y (en) * | 2006-12-30 | 2007-12-19 | 宝鸡石油机械有限责任公司 | Two-dimensional floating block for top driving drilling device |
-
2009
- 2009-12-18 CN CN 200910102952 patent/CN101737002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214193U (en) * | 1987-10-09 | 1988-11-02 | 上海复兴五金厂 | Self-locking clamp |
| US5215153A (en) * | 1991-11-08 | 1993-06-01 | Younes Joseph F | Apparatus for use in driving or withdrawing such earth entering elements as drills and casings |
| CN2397250Y (en) * | 1999-06-23 | 2000-09-20 | 孙灵慧 | Portable hydraulic drilling machine with high efficient dust-removing series |
| CN1948696A (en) * | 2006-07-04 | 2007-04-18 | 山西东华机械有限公司 | Airborne anchor rod drilling machine |
| CN200992950Y (en) * | 2006-12-30 | 2007-12-19 | 宝鸡石油机械有限责任公司 | Two-dimensional floating block for top driving drilling device |
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| Publication number | Publication date |
|---|---|
| CN101737002A (en) | 2010-06-16 |
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