CN202810646U - Drilling machine and forcing mechanism thereof - Google Patents
Drilling machine and forcing mechanism thereof Download PDFInfo
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- CN202810646U CN202810646U CN 201220514975 CN201220514975U CN202810646U CN 202810646 U CN202810646 U CN 202810646U CN 201220514975 CN201220514975 CN 201220514975 CN 201220514975 U CN201220514975 U CN 201220514975U CN 202810646 U CN202810646 U CN 202810646U
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- pressure structure
- mast
- draw
- cylinder body
- oil cylinder
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Abstract
The utility model provides a drilling machine and a forcing mechanism of the drilling machine. The drilling machine comprises a spar and a power head, the forcing mechanism comprises a forcing cylinder, the forcing cylinder comprises a cylinder body and a piston rod, and the cylinder body comprises a first end and a second end. The piston rod is movably arranged in the cylinder body, a free end of the piston rod extends out of the second end, the first end of the cylinder is connected with the spar in a pivotable mode through a joint axletree or a ball type hinge, and the free end of the piston rod is connected with the power head in a pivotable mode. Due to the fact that the first end of the cylinder is connected with the spar through a joint axletree or the ball type hinge in a pivotable mode, when movement along the front-back direction happens, compensation can be made to the front-back direction through the joint axletree or the ball type hinge, and therefore force of the piston rod is improved and service life of inner oil seal of the forcing cylinder is prolonged.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of rig and pressure structure thereof.
Background technology
Usually can use pressure structure in the rig (for example rotary drilling rig), in order to apply downward active force to drilling tool, drilling tool cuts the stratum under the effect of this active force, finish construction operation.Prior art adopts the pressuring method of oil cylinder pressurization and elevator pressurization usually.
The below is take rotary drilling rig as example, and the pressure structure when oil cylinder is pressurizeed describes in detail.
In pressure structure shown in Figure 1, the first end of the cylinder body 31 of pressurization oil cylinder 30 is fixedly connected with the mast 10 of rig by connector 50, and the second end of cylinder body 31 is connected with mast 10 pivotly by hinged seat 70.The free end of the piston rod 32 of pressurization oil cylinder 30 is connected pivotly with the unit head 20 of rig.Wherein, connector 50 is L shaped.
Unit head 20 is connected actively with the guide rail of mast 10, and unit head 20 can be with respect to mast 10 in fore-and-aft direction and left and right directions motion.Although pressurization oil cylinder 30 can rotate around the rotating shaft of hinged seat 70, the motion with the compensation fore-and-aft direction can't compensate the motion of left and right directions.Therefore, the piston rod 32 of pressurization oil cylinder 30 deforms easily when stretching motion and causes the damage of pressurization oil cylinder 30 inner oil sealings.In addition, because vibrations in the real work are larger, the wearing and tearing of connector 50 are also quite severe.
The utility model content
The utility model aims to provide a kind of rig and pressure structure thereof, the problem that deforms with the piston rod that solves pressurization oil cylinder in the prior art.
For solving the problems of the technologies described above, according to first aspect of the present utility model, a kind of pressure structure of rig is provided, rig comprises mast and unit head, pressure structure comprises the pressurization oil cylinder, and the pressurization oil cylinder comprises cylinder body and piston rod, and cylinder body comprises first end and the second end, piston rod is arranged in the cylinder body actively and the free end of piston rod stretches out from the second end of cylinder body, and the first end of cylinder body is connected with mast pivotly by oscillating bearing or ball-type hinge; The free end of piston rod is connected pivotly with unit head.
Further, the second end of cylinder body is connected with mast by position-limit mechanism.
Further, position-limit mechanism comprises that the deck that is provided with draw-in groove reaches the fixture block that is fastened on actively in the draw-in groove, and deck is located at the side towards the pressurization oil cylinder of mast, and fixture block is located at the external surface of pressurization oil cylinder.
Further, the number of draw-in groove is two, and the number of fixture block is two, and two draw-in grooves are separately positioned on the both sides of pressurization oil cylinder, and two fixture blocks are connected with the oil cylinder that pressurizes and are equipped with correspondingly with two draw-in grooves.
Further, position-limit mechanism comprises the draw-in groove that is opened on the mast and is fastened on actively the interior fixture block of draw-in groove that fixture block is connected with the pressurization oil cylinder.
Further, there are the free gap in draw-in groove and fixture block at fore-and-aft direction and the left and right directions of mast.
Further, pressure structure also comprises the connector that is arranged on the cylinder body and the slide block that is connected with connector, and slide block is provided with the draw-in groove that the guide rail of confession mast wears.
Further, slide block removably is connected with connector, and the first end of cylinder body removably is connected with mast.
According to second aspect of the present utility model, a kind of rig is provided, comprise that pressure structure is above-mentioned pressure structure for the pressure structure of pressurization.
Further, rig is rotary drilling rig.
Because the first end of cylinder body is connected with mast pivotly by oscillating bearing or ball-type hinge, when the motion of fore-and-aft direction occurs when, can compensate fore-and-aft direction by oscillating bearing or ball-type hinge, when the motion of left and right directions occurs when, can compensate left and right directions by oscillating bearing or ball-type hinge, thereby improved the stressed of piston rod, prolonged the application life of the inside oil sealing of pressurization oil cylinder.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the schematic diagram of the pressure structure of rig of the prior art;
Fig. 2 has schematically shown the schematic diagram of the pressure structure of the rig in the utility model;
Fig. 3 has schematically shown the sectional view of the pressure structure in the utility model at the position-limit mechanism place; And
Fig. 4 has schematically shown installation in the utility model partial schematic diagram of pressure structure of slide block.
Reference numeral among the figure: 10, mast; 11, guide rail; 20, unit head; 30, pressurization oil cylinder; 31, cylinder body; 32, piston rod; 40, position-limit mechanism; 41, draw-in groove; 42, fixture block; 50, connector; 60, slide block; 70, hinged seat.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, provide a kind of pressure structure of rig.Please refer to Fig. 2 to Fig. 4, rig comprises mast 10 and unit head 20, pressure structure comprises pressurization oil cylinder 30, pressurization oil cylinder 30 comprises cylinder body 31 and piston rod 32, cylinder body 31 comprises first end and the second end, and piston rod 32 is arranged in the cylinder body 31 actively and the free end of piston rod 32 stretches out from the second end of cylinder body 31.Extremely shown in Figure 4 such as Fig. 2, the first end of cylinder body 31 is connected with mast 10 pivotly by oscillating bearing or ball-type hinge, for example, can hinged seat 70 be set at mast 10, then just first end and the mast 10 of cylinder body 31 can be coupled together pivotly by bearing pin; The free end of piston rod 32 is connected pivotly with unit head 20.Preferably, the free end of piston rod 32 is connected with unit head 20 pivotly by oscillating bearing or ball-type hinge.By oscillating bearing or ball-type hinge, can compensate the gap of any direction between the guide rail 11 of unit head 20 and mast 10.
Because the first end of cylinder body 31 is connected with mast 10 pivotly by oscillating bearing or ball-type hinge, when the motion of fore-and-aft direction occurs when, can the motion of fore-and-aft direction be compensated by oscillating bearing or ball-type hinge, when the motion of left and right directions occurs, can the motion of left and right directions be compensated by oscillating bearing or ball-type hinge.Therefore, the pressure structure in the utility model can realize the compensation to left and right directions and fore-and-aft direction motion simultaneously, thereby has improved the force and deformation of the piston rod 32 of pressurization oil cylinder 30, has prolonged the application life of the inside oil sealing of pressurization oil cylinder 30.Pressure structure in the utility model also has characteristics simple in structure, easy for installation, that cost is low.
Preferably, the second end of cylinder body 31 is connected with mast 10 by position-limit mechanism 40.In order to improve the stability of pressurization oil cylinder, can limit by position-limit mechanism 40 motion amplitude and the distortion of oil cylinder 30 of pressurizeing of the second end of cylinder bodies 31, thereby increase the stability of pressurization oil cylinder.
Preferably, as shown in Figures 2 and 3, position-limit mechanism comprises that the deck that is provided with draw-in groove 41 reaches the fixture block 42 that is fastened on actively in the draw-in groove 41, and deck is located at the side towards pressurization oil cylinder 30 of mast, and fixture block 42 is located at the external surface of pressurization oil cylinder 30.Like this, when the oil cylinder 30 that just can prevent from pressurizeing is subject to excessive vibration, the problem of larger movement occurs.Preferably, the number of draw-in groove 41 is two, and the number of fixture block 42 is two, and two draw-in grooves 41 are separately positioned on the both sides of pressurization oil cylinder 30, and two fixture blocks 42 are connected with the oil cylinder 30 that pressurizes and are equipped with correspondingly with two draw-in grooves 41.Preferably, there is the free gap with fixture block 42 in draw-in groove 41 at fore-and-aft direction A and the left and right directions B of mast 10.Owing to there is the free gap, the movement on the four direction all is restricted all around can to make the second end of cylinder body 31, also provides activity space for cylinder body 31 simultaneously.
Preferably, in another not shown embodiment, position-limit mechanism 40 comprises the draw-in groove 41 that is opened on the mast 10 and is fastened on actively fixture block 42 in the draw-in groove 41 that fixture block 42 is connected with the oil cylinder 30 that pressurizes.Draw-in groove 41 directly is opened on the mast 10, has characteristics simple in structure.Preferably, there is the free gap with fixture block 42 in draw-in groove 41 at fore-and-aft direction and the left and right directions of mast 10.Owing to there is the free gap, the movement on the four direction all is restricted all around can to make the second end of cylinder body 31, also provides activity space for cylinder body 31 simultaneously.
Because the stroke of pressurization oil cylinder 30 is longer, for convenient transportation, the oil cylinder 30 that sometimes needs to pressurize can slide at the guide rail 11 of mast 10.For this reason, preferably, such as Fig. 2 and shown in Figure 4, pressure structure also comprises the connector 50 that is arranged on the cylinder body 31 and the slide block 60 that is flexibly connected with the guide rail 11 of mast 10 and the slide block 60 that is connected with connector 50, and slide block 60 is provided with the draw-in groove that the guide rail 11 of confession mast 10 wears.In the present embodiment, slide block 60 roughly is semi-annular shape, the central authorities of slide block 60 are provided with the draw-in groove that matches with guide rail 11, guide rail 11 just can be arranged in the draw-in groove of slide block 60 like this, slide block 60 is respectively equipped with one at the two ends that the surface of the cylinder body 31 of pressurization oil cylinder 30 carries over the longitudinal extension direction of guide rail 11, and the oil cylinder 30 that therefore pressurizes can carry over guide rail 11 by slide block 60 and slide.Especially, slide block 60(such as slide block 60 is towards a side of pressurization oil cylinder 30) removably be connected with connector 50 (such as pin etc.), the first end of cylinder body 31 removably is connected with mast 10.For example, connector 50 can adopt the mode of otic placode, certainly also can adopt other form of structure.After being connected between the first end of removing cylinder body 31 and the mast 10 (for example removing the lock shaft at hinged seat 70 places), pressurization oil cylinder 30 just can be free to slide at guide rail 11, like this, both to the structure design band of mast very large degree of freedom, also made things convenient for transportation.
As second aspect of the present utility model, a kind of rig is provided, comprise that this pressure structure is the pressure structure in the various embodiments described above for the pressure structure of pressurization.Especially, rig is rotary drilling rig.
Rig in the utility model is owing to adopted above-mentioned pressure structure, gap between movement compensation unit head 20 that can be by pressurization oil cylinder 30 itself and the guide rail 11 of mast 10, make pressurization oil cylinder 30 itself form two simple power bars, thereby reduced the probability of the inside oil sealing damage of pressurization oil cylinder 30.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the pressure structure of a rig, described rig comprises mast (10) and unit head (20), described pressure structure comprises pressurization oil cylinder (30), described pressurization oil cylinder (30) comprises cylinder body (31) and piston rod (32), described cylinder body (31) comprises first end and the second end, described piston rod (32) is arranged in the described cylinder body (31) actively and the free end of described piston rod (32) stretches out from the second end of described cylinder body (31), it is characterized in that
The first end of described cylinder body (31) is connected with described mast (10) pivotly by oscillating bearing or ball-type hinge;
The free end of described piston rod (32) is connected pivotly with described unit head (20).
2. pressure structure according to claim 1 is characterized in that, the second end of described cylinder body (31) is connected with described mast (10) by position-limit mechanism (40).
3. pressure structure according to claim 2, it is characterized in that, described position-limit mechanism comprises the deck that is provided with draw-in groove (41) and is fastened on actively the interior fixture block (42) of described draw-in groove (41), described deck is located at the side towards described pressurization oil cylinder (30) of described mast, and described fixture block (42) is located at the external surface of described pressurization oil cylinder (30).
4. pressure structure according to claim 3, it is characterized in that, the number of described draw-in groove (41) is two, the number of described fixture block (42) is two, described two draw-in grooves (41) are separately positioned on the both sides of described pressurization oil cylinder (30), and described two fixture blocks (42) are connected with described pressurization oil cylinder (30) and are equipped with correspondingly with described two draw-in grooves (41).
5. pressure structure according to claim 2, it is characterized in that, described position-limit mechanism (40) comprises the draw-in groove (41) that is opened on the described mast (10) and is fastened on actively the interior fixture block (42) of described draw-in groove (41) that described fixture block (42) is connected with described pressurization oil cylinder (30).
6. each described pressure structure in 5 according to claim 3 is characterized in that there is the free gap in described draw-in groove (41) with fore-and-aft direction (A) and the left and right directions (B) of described fixture block (42) in described mast (10).
7. each described pressure structure in 5 according to claim 1, it is characterized in that, described pressure structure also comprises the connector (50) that is arranged on the described cylinder body (31) and the slide block (60) that is connected with described connector (50), and described slide block (60) is provided with the draw-in groove that the guide rail (11) of the described mast of confession (10) wears.
8. pressure structure according to claim 7 is characterized in that, described slide block (60) removably is connected with described connector (50), and the first end of described cylinder body (31) removably is connected with described mast (10).
9. a rig comprises for the pressure structure of pressurization, it is characterized in that described pressure structure is each described pressure structure in the claim 1 to 8.
10. rig according to claim 9 is characterized in that, described rig is rotary drilling rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514975 CN202810646U (en) | 2012-09-29 | 2012-09-29 | Drilling machine and forcing mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514975 CN202810646U (en) | 2012-09-29 | 2012-09-29 | Drilling machine and forcing mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202810646U true CN202810646U (en) | 2013-03-20 |
Family
ID=47869544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220514975 Expired - Lifetime CN202810646U (en) | 2012-09-29 | 2012-09-29 | Drilling machine and forcing mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202810646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912222A (en) * | 2014-01-03 | 2014-07-09 | 上海中联重科桩工机械有限公司 | Sliding assembly, rotary drilling rig, mast device assembly of rotary drilling rig and disassembly-free transportation method of pressurized oil cylinder of rotary drilling rig mast |
| CN104563895A (en) * | 2014-12-29 | 2015-04-29 | 北京市三一重机有限公司 | Rotary drilling rig and power head carriage thereof |
| CN105822226A (en) * | 2016-06-08 | 2016-08-03 | 上海力阳道路加固科技股份有限公司 | Efficient road drilling car |
-
2012
- 2012-09-29 CN CN 201220514975 patent/CN202810646U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912222A (en) * | 2014-01-03 | 2014-07-09 | 上海中联重科桩工机械有限公司 | Sliding assembly, rotary drilling rig, mast device assembly of rotary drilling rig and disassembly-free transportation method of pressurized oil cylinder of rotary drilling rig mast |
| CN103912222B (en) * | 2014-01-03 | 2016-03-09 | 上海中联重科桩工机械有限公司 | Slide assemblies, rotary drilling rig, mast installation assembly and the transportation resources of pressurization oil cylinder |
| CN104563895A (en) * | 2014-12-29 | 2015-04-29 | 北京市三一重机有限公司 | Rotary drilling rig and power head carriage thereof |
| CN104563895B (en) * | 2014-12-29 | 2017-09-22 | 北京市三一重机有限公司 | Rotary drilling rig and its power head carriage |
| CN105822226A (en) * | 2016-06-08 | 2016-08-03 | 上海力阳道路加固科技股份有限公司 | Efficient road drilling car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
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| CX01 | Expiry of patent term |