CN102659045B - Mounting mechanism for cathead of rotary drilling rig - Google Patents
Mounting mechanism for cathead of rotary drilling rig Download PDFInfo
- Publication number
- CN102659045B CN102659045B CN 201210155268 CN201210155268A CN102659045B CN 102659045 B CN102659045 B CN 102659045B CN 201210155268 CN201210155268 CN 201210155268 CN 201210155268 A CN201210155268 A CN 201210155268A CN 102659045 B CN102659045 B CN 102659045B
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- Prior art keywords
- pulley
- cathead
- support
- stay cord
- drilling rig
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Abstract
The invention discloses a mounting mechanism for a cathead of a rotary drilling rig. The mounting mechanism for the cathead of the rotary drilling rig comprises a support, a pulley block, a stay cord, a rocking bar, a base and a draw bar, wherein the bottom end of the support is connected onto the base; the pulley block is connected with the top end of the support; the rocking bar is arranged on the support; the bottom end of the draw bar is connected onto the mounting face of the cathead; the stay cord passes through the top end of the draw bar and the pulley block; one end of the stay cord is fixedly arranged on the support; and the other end of the stay cord is fixedly arranged on the rocking bar. According to the mounting mechanism for the cathead of the rotary drilling rig, the rocking bar is manually rocked to wind the stay cord onto the rocking bar, so that the cathead coincides with the mounting face of an upper mast. The mounting mechanism for the cathead of the rotary drilling rig has the advantages that a large amount of manpower can be saved; the structure is simple; mounting and the dismounting are convenient; the mounting cost is reduced; and meanwhile, the rotation angle of the cathead is not limited.
Description
Technical field
What the present invention relates to is a kind of auxiliary installing mechanism of rotary drilling rig, in particular a kind of installing mechanism of cathead of rotary drilling rig.
Background technology
In the rotary drilling rig transportation, for convenient transportation, need to reduce complete machine shipping height and transport space, need all that generally cathead is down rolled over certain angle it is leaned against on the bearing on the upper mast, when its work of needs, it is turned back fixes with bolt again.At present cathead is mainly contained by the mounting means of travelling position to mode of operation: 1, with crane or the lifting of other weight-lifting equipments; 2, be installed in upper mast with oil cylinder one end, one terminates on the cathead, realizes that by oil cylinder is flexible it is in transportation, mode of operation; 3, terminate on the cathead with rope one, one terminates on the pressurization oil cylinder, realizes by pressurization oil cylinder elongation pulling.Yet above-mentioned technological means has certain limitation: the restriction of 1, adopting the weight-lifting equipment such as crane that the place is had living space, and cost is also higher; 2, adopt the mode that oil cylinder is installed, cost is higher, and piping layout is inconvenient, and is restricted to the anglec of rotation that cathead is downward; 3, adopt the pulling of pressurization oil cylinder, larger radial component is arranged, the pressurization oil cylinder is damaged, also restricted to the anglec of rotation that cathead is downward.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of installing mechanism of cathead of rotary drilling rig is provided, can realize that by manually shaking cathead is by the installation assembling of travelling position to mode of operation.
The present invention is achieved by the following technical solutions, the present invention includes support, assembly pulley, stay cord, rocking bar, base and pull bar; The bottom of support is connected on the base, and assembly pulley is connected to the top of support, and rocking bar is arranged on the support, the bottom of pull bar is connected on the attachment face of cathead, stay cord passes top and the assembly pulley of pull bar, and an end of stay cord is fixed on the support, and the other end is fixed on the rocking bar.
The bottom of described support is movably connected on the base by rotating shaft, and base is provided with latch, and support is provided with the jack that is used with described latch.Support is horizontal positioned in the cathead transportation, vertically places in the installation process, can locate by latch.
For realizing more labour-saving pull-up cathead, described assembly pulley comprises the first pulley, the second pulley, the 3rd pulley and the 4th pulley, described the first pulley and the second pulley are connected to the top of pull bar, the 3rd pulley and the 4th pulley are connected to the top of support, one end of stay cord is fixed on the support, and the other end of stay cord is fixed on the rocking bar after passing successively the first pulley, the 3rd pulley, the second pulley and the 4th pulley.
The rotating shaft two ends of described the first pulley and the second pulley are fixed on the top of pull bar by steel pipe, and the 3rd pulley rotating shaft two ends are fixed on the top of support by steel pipe, and the rotating shaft two ends of the 4th pulley are fixed on the top of support.
Described the 3rd pulley is positioned on the line of centers of the first pulley and the second pulley, and described to be positioned at the second pulley vertical with the axis of the 4th pulley with stay cord on the 4th pulley.Guarantee that the 4th pulley is not subjected to or is subject to the effect of minimum axial force, the hand shaken bar is more laborsaving.
Described pull bar is Collapsible trolley, is fixed in during work on the cathead, not the time spent, it is pulled down.
The present invention has the following advantages compared to existing technology: the present invention is wound into stay cord on the rocking bar by hand rocking bar, so that cathead overlaps with the attachment face of upper mast; The present invention can save a large amount of manpowers, and is simple in structure, is convenient to Assembly ﹠Disassembly; Reduced cost of installation, simultaneously to the anglec of rotation of cathead without limits.
Description of drawings
Fig. 1 is the structural representation of mode of operation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of end-of-job state of the present invention;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of the first pulley.
The specific embodiment
The below elaborates to embodiments of the invention, and present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As depicted in figs. 1 and 2, present embodiment comprises support 1, assembly pulley 6, stay cord 2, rocking bar 3, base 4 and pull bar 5; For realizing more labour-saving pull-up cathead 7, the assembly pulley 6 of present embodiment comprises the first pulley 61, the second pulley 62, the 3rd pulley 63 and the 4th pulley 64, described the first pulley 61 and the second pulley 62 are connected to the top of pull bar 5, the 3rd pulley 63 and the 4th pulley 64 are connected to the top of support 1, one end fixed support 1 of stay cord 2, the other end of stay cord 2 are fixed on the rocking bar 3 after passing successively the first pulley 61, the 3rd pulley 63, the second pulley 62 and the 4th pulley 64; The bottom of support 1 is connected on the base 4, and rocking bar 3 is arranged on the support 1, and the bottom of pull bar 5 is connected on the attachment face of cathead 7.
Such as Fig. 2 and shown in Figure 4, in the present embodiment, the bottom of support 1 is movably connected on the base 4 by rotating shaft 11, and base 4 is provided with latch 41, and support 1 is provided with the jack that is used with described latch 41.Support 1 is horizontal positioned in cathead 7 transportations, vertically places in the installation process, can be by latch 41 location.
Such as Fig. 3 and shown in Figure 5, in the present embodiment, the first pulley 61, the second pulley 62 are identical with the connection mode of the 3rd pulley 63, take the first pulley 61 as example, the first pulley 61 comprises rotating shaft 611 and roller 612, roller 612 is socketed in the rotating shaft 611 and can 611 rotates around the shaft, and the two ends of rotating shaft 611 are connected respectively on the steel pipe 613 to fix its axial location, and guaranteeing does not axially have large displacement.The rotating shaft two ends of the first pulley 61 and the second pulley 62 are fixed on the top of pull bar 5 by steel pipe, and the 3rd pulley 63 rotating shaft two ends are fixed on the top of support 1 by steel pipe.The rotating shaft two ends of the 4th pulley 64 directly are fixed on the top of support 1.
The 3rd pulley 63 is positioned on the line of centers of the first pulley 61 and the second pulley 62, and described to be positioned at the second pulley 62 vertical with the axis of the 4th pulley 64 with stay cord 2 on the 4th pulley 64.Guarantee that the 4th pulley 64 is not subjected to or is subject to the effect of minimum axial force, the hand shaken bar is more laborsaving.The position of the 4th pulley 64 rationally is set, guarantees that the axial force that is subject on the second pulley 62 reduces or do not have.
The pull bar 5 of present embodiment is Collapsible trolley 5, is fixed in during work on the cathead 7, not the time spent, it is pulled down.
In the present embodiment, cathead 7 is connected on the upper mast 8 by hinge 71, base 4 is fixed on the upper mast 8, be respectively equipped with mounting hole 9 on the attachment face 72 of cathead 7 and the attachment face 81 of upper mast 8, first pull bar 5 is fixed on the attachment face 72 of cathead 7, respectively reserves two mounting holes 9 about on the attachment face 72 of cathead 7 and guarantee not blocked by pull bar 5; Pulley is positioned on pull bar 5 and the support 1 by steel pipe or other modes, guaranteeing does not axially have large displacement, by hand rocking bar 3 stay cord 2 is wound on the rocking bar 3, so that the stay cord 2 between the first pulley 61, the second pulley 62 and the 3rd pulley 63 constantly shortens, pulling cathead 7 11 rotates around the shaft, final realization cathead 7 overlaps with the attachment face of upper mast 8, connects corresponding mounting hole 9 by bolt 91, realizes the fixing of cathead 7.Then swinging mounting 1 fixes with latch 41 to level attitude and gets final product.
For more laborsaving, in the present embodiment, thereby can increase by the length that increases pull bar 5 arm of force of stay cord 2 to hinge 71, reduce the pulling force of stay cord 2; Present embodiment is set the pulling force that four pulleys can reduce stay cord 2; Can also reduce by the radius of turn that rocking bar 3 is set the manpower that applies on the rocking bar 3, by above setting, can with tens of cathead gravity/once power can easily shake cathead.
Claims (6)
1. the installing mechanism of the cathead of a rotary drilling rig is characterized in that, comprises support (1), assembly pulley (6), stay cord (2), rocking bar (3), base (4) and pull bar (5); The bottom of support (1) is connected on the base (4), assembly pulley (6) is connected to the top of support (1), rocking bar (3) is arranged on the support (1), the bottom of pull bar (5) is connected on the attachment face of cathead (7), stay cord (2) passes top and the assembly pulley (6) of pull bar (5), one end of stay cord (2) is fixed on the support (1), and the other end is fixed on the rocking bar (3).
2. the installing mechanism of the cathead of rotary drilling rig according to claim 1, it is characterized in that: the bottom of described support (1) is movably connected on the base (4) by rotating shaft (11), base (4) is provided with latch (41), and support (1) is provided with the jack that is used with described latch (41).
3. the installing mechanism of the cathead of rotary drilling rig according to claim 1, it is characterized in that: described assembly pulley (6) comprises the first pulley (61), the second pulley (62), the 3rd pulley (63) and the 4th pulley (64), described the first pulley (61) and the second pulley (62) are connected to the top of pull bar (5), the 3rd pulley (63) and the 4th pulley (64) are connected to the top of support (1), one end of stay cord (2) is fixed on the support (1), and the other end of stay cord (2) passes the first pulley (61) successively, the 3rd pulley (63), be fixed on the rocking bar (3) behind the second pulley (62) and the 4th pulley (64).
4. the installing mechanism of the cathead of rotary drilling rig according to claim 3, it is characterized in that: the rotating shaft two ends of described the first pulley (61) and the second pulley (62) are fixed on the top of pull bar (5) by steel pipe, the 3rd pulley (63) rotating shaft two ends are fixed on the top of support (1) by steel pipe, and the rotating shaft two ends of the 4th pulley (64) are fixed on the top of support (1).
5. the installing mechanism of the cathead of rotary drilling rig according to claim 4, it is characterized in that: described the 3rd pulley (63) is positioned on the line of centers of the first pulley (61) and the second pulley (62), and described to be positioned at the second pulley (62) vertical with the axis of the 4th pulley (64) with stay cord (2) on the 4th pulley (64).
6. the installing mechanism of the cathead of rotary drilling rig according to claim 1, it is characterized in that: described pull bar (5) is Collapsible trolley (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210155268 CN102659045B (en) | 2012-05-18 | 2012-05-18 | Mounting mechanism for cathead of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210155268 CN102659045B (en) | 2012-05-18 | 2012-05-18 | Mounting mechanism for cathead of rotary drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102659045A CN102659045A (en) | 2012-09-12 |
| CN102659045B true CN102659045B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210155268 Expired - Fee Related CN102659045B (en) | 2012-05-18 | 2012-05-18 | Mounting mechanism for cathead of rotary drilling rig |
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| Country | Link |
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| CN (1) | CN102659045B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3669196A (en) * | 1971-01-06 | 1972-06-13 | Heath & Sherwood Drilling Ltd | Universal drilling rig |
| US3749183A (en) * | 1971-11-10 | 1973-07-31 | Pyramid Derrick & Equipment Co | Deep well drilling apparatus |
| CN2695602Y (en) * | 2004-04-06 | 2005-04-27 | 徐州工程机械科技股份有限公司徐工研究院 | Folding drilling mast |
| CN201606011U (en) * | 2009-12-21 | 2010-10-13 | 广西玉柴重工有限公司 | Mast position-limit mechanism for rotary drilling rig |
| CN202055753U (en) * | 2011-05-03 | 2011-11-30 | 北京市三一重机有限公司 | Rotary drilling jig and pulley yoke conveyance fixing device thereof |
| CN202594678U (en) * | 2012-05-18 | 2012-12-12 | 熔盛机械有限公司 | Installation mechanism of cathead of rotary drilling machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7765749B2 (en) * | 2003-04-25 | 2010-08-03 | National Oilwell, L.P. | Fast moving drilling rig |
| US8126291B2 (en) * | 2007-07-16 | 2012-02-28 | Ecole Centrale De Paris | System and method for dense image registration using Markov Random Fields and efficient linear programming |
-
2012
- 2012-05-18 CN CN 201210155268 patent/CN102659045B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3669196A (en) * | 1971-01-06 | 1972-06-13 | Heath & Sherwood Drilling Ltd | Universal drilling rig |
| US3749183A (en) * | 1971-11-10 | 1973-07-31 | Pyramid Derrick & Equipment Co | Deep well drilling apparatus |
| CN2695602Y (en) * | 2004-04-06 | 2005-04-27 | 徐州工程机械科技股份有限公司徐工研究院 | Folding drilling mast |
| CN201606011U (en) * | 2009-12-21 | 2010-10-13 | 广西玉柴重工有限公司 | Mast position-limit mechanism for rotary drilling rig |
| CN202055753U (en) * | 2011-05-03 | 2011-11-30 | 北京市三一重机有限公司 | Rotary drilling jig and pulley yoke conveyance fixing device thereof |
| CN202594678U (en) * | 2012-05-18 | 2012-12-12 | 熔盛机械有限公司 | Installation mechanism of cathead of rotary drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102659045A (en) | 2012-09-12 |
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Granted publication date: 20131030 Termination date: 20160518 |
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