CN203531760U - Pile frame - Google Patents
Pile frame Download PDFInfo
- Publication number
- CN203531760U CN203531760U CN201320717058.9U CN201320717058U CN203531760U CN 203531760 U CN203531760 U CN 203531760U CN 201320717058 U CN201320717058 U CN 201320717058U CN 203531760 U CN203531760 U CN 203531760U
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- fixed
- fixed pulley
- pulley
- hoist cable
- boom hoist
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- Expired - Lifetime
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- 230000033001 locomotion Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a pile frame. The pile frame comprises an upright post, a fixing frame and a lifting device, wherein the fixing frame is fixed on the upright post, the lifting device is arranged on the fixing frame, the lifting device is provided with a lifting end and an operating end, and the lifting end and the operating end are positioned on two opposite sides of the upright post; the lifting device comprises a lifting steel wire rope, the lifting steel wire rope is wound through the fixing frame, and the number of rope bodies of the lifting steel wire rope between the lifting end and the fixing frame is the same as that of the rope bodies of the lifting steel wire rope between the operating end and the fixing frame; the pile frame further comprises a labor-saving device, the labor-saving device is arranged at the operation end of the lifting device, and the operation end is driven to move. The technical scheme of the utility model the moment of flexure of effect on the stand can be eliminated, stress concentration is avoided, the reliability of improvement pile frame structure and the stability of complete machine work.
Description
Technical field
The utility model relates to engineering machinery, in particular to a kind of pile frame.
Background technology
Moving up and down of the unit head of rotary drilling rig is to realize under the driving of the lifting appliance of pile frame.As depicted in figs. 1 and 2, pile frame comprises column 1 ', fixed mount 2 ', hoisting movable pulley group 6 ', promote fixed pulley group 7 ' and guiding fixed pulley 8 ', wherein, hoisting movable pulley group 6 ' is fixed on unit head 4 ', comprise six movable pulley, promoting fixed pulley group 7 ' is fixed on fixed mount 2 ', comprise six fixed pulleys, six fixed pulleys and the corresponding setting one by one of six movable pulley, fixed mount 2 ' is fixed on the top of column 1 ', boom hoist cable 31 ' pile warp promotes fixed pulley group 7 ' and hoisting movable pulley group 6 ', pile warp is articulated in the root position that is fixed on column 1 ' after the guiding fixed pulley 8 ' on fixed mount 2 ' again.
It is inconsistent that this arrangement of boom hoist cable 31 ' makes boom hoist cable 31 ' act on the rope body quantity of column 1 ' relative both sides, wherein a side is 12 sections of rope bodies, opposite side is one section of rope body, the load that causes the relative both sides of column 1 ' to be born is inconsistent, the load of hoisting movable pulley group 6 ' place one side is 12 times of opposite side, thereby produce a very large moment of flexure at column 1 ' top, this moment of flexure causes the reinforcement gusset of fixed mount 2 ' root both sides to bear respectively huge pressure and pulling force, one-sided connecting bolt bearing tension and shearing force, the integrally-built stress by bending of column 1 ' is also very large, to such an extent as to rising while pulling out unit head 4 ', column 1 ' is because bearing the inefficacy that deforms of excessive flexural stress, increase the possibility of main frame unstability.
Utility model content
The utility model aims to provide a kind of pile frame, can eliminate the moment of flexure acting on column, avoids stress to concentrate.
To achieve these goals, according to an aspect of the present utility model, a kind of pile frame is provided, comprise column, fixed mount and lifting appliance, fixed mount is fixed on column, lifting appliance is arranged on fixed mount, and lifting appliance has lifting end and operating side, and the relative both sides that are positioned at column with operating side are held in lifting; Lifting appliance comprises boom hoist cable, and boom hoist cable pile warp fixed mount arranges, and boom hoist cable is identical with the rope body quantity of boom hoist cable between operating side and fixed mount with the rope body quantity between fixed mount at lifting end; Pile frame also comprises work-saving device, and work-saving device is arranged on the operating side of lifting appliance, drives operating side motion.
Further, lifting appliance also comprises the first movable pulley and the second movable pulley, first end pile warp first movable pulley of boom hoist cable is also fixed on fixed mount, second end pile warp the second movable pulley of boom hoist cable is also fixed on fixed mount, the first movable pulley is as lifting end, and the second movable pulley is connected with work-saving device as operating side.
Further, lifting appliance also comprises the first guiding fixed pulley and the second guiding fixed pulley, and the first guiding fixed pulley is separately positioned on fixed mount with the second guiding fixed pulley and is positioned at the relative both sides of column; The first end pile warp first guiding fixed pulley of boom hoist cable is also fixed on fixed mount, and the first movable pulley is between the first end and the first guiding fixed pulley of boom hoist cable; Second end pile warp the second guiding fixed pulley of boom hoist cable is also fixed on fixed mount, and the second movable pulley is between second end and the second guiding fixed pulley of boom hoist cable.
Further, lifting appliance also comprises the first guiding fixed pulley and the second guiding fixed pulley, and the first guiding fixed pulley is separately positioned on fixed mount with the second guiding fixed pulley and is positioned at the relative both sides of column; The first end pile warp first guiding fixed pulley of boom hoist cable is also held as lifting, and second end pile warp the second guiding fixed pulley of boom hoist cable is also connected with work-saving device as operating side.
Further, work-saving device comprises: fixed pulley group, is fixedly installed with respect to column; Running block, is fixedly installed with respect to the operating side of lifting appliance, and and fixed pulley group between distance arrange adjustably; Rise and pull out wire rope, rope-out end pile warp fixed pulley group and running block, and be fixedly installed with respect to fixed pulley group; And hoist engine, be arranged with and pulled out wire rope.
Further, fixed pulley group comprises two groups of fixed pulleys, and the axis of two groups of fixed pulleys is parallel, and the line of centres of two groups of fixed pulleys is perpendicular to its axis direction; Running block comprises three groups of movable pulley, and the axis of three groups of movable pulley is parallel to the axis of two groups of fixed pulleys, and the line of centres of three groups of movable pulley is perpendicular to the axis direction of two groups of fixed pulleys.
Further, work-saving device also comprises adjustable shelf, and the operating side of running block and lifting appliance is separately positioned on adjustable shelf.
Further, work-saving device also comprises the 3rd guiding fixed pulley, and the 3rd guiding fixed pulley is fixedly installed with respect to fixed pulley group, works rope-out end pile warp the 3rd guiding fixed pulley and the running block successively pull out wire rope.
Application the technical solution of the utility model, the lifting appliance being arranged on the fixed mount at column top has lifting end and operating side, and the relative both sides that lay respectively at column with operating side are held in lifting, in in lifting appliance, boom hoist cable is identical with the rope body quantity of boom hoist cable between operating side and fixed mount with the rope body quantity between fixed mount at lifting end, the load that lifting end is acted on column is identical with the load that operating side acts on column, directly cancelled the moment of flexure that column is subject to, avoid stress to concentrate, improve the pile frame reliability of structure of pile frame and the stability of complete machine work.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the schematic diagram of the pile frame of prior art;
Fig. 2 shows the wiring schematic diagram according to the boom hoist cable of prior art;
Fig. 3 shows according to the schematic diagram of the pile frame of embodiment of the present utility model; And
Fig. 4 shows the schematic diagram matching according to the lifting appliance of embodiment of the present utility model and pull-up.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 3 and Figure 4, according to embodiment of the present utility model, provide a kind of pile frame, comprised column 1, fixed mount 2, lifting appliance 3 and work-saving device 5.Wherein fixed mount 2 is bolted on the top of column 1, on fixed mount 2, be provided with reinforcing rib, column 1 has the track extending along its length, unit head 4 can orbital motion, lifting appliance 3 is arranged on fixed mount 2, lifting appliance 3 has lifting end and operating side, the relative both sides that lay respectively at column 1 with operating side are held in lifting, lifting end is connected with unit head 4, be used for driving unit head 4 orbital motions, operating side is connected with work-saving device 5, reduces to drive the needed pulling force in operating side; The boom hoist cable 31 of lifting appliance 3 is arranged on fixed mount 2, boom hoist cable 31 has N1 section rope body between fixed mount and lifting end, boom hoist cable 31 has N2 section rope body between fixed mount and operating side, and N1=N2, the load that lifting end is acted on column 1 is identical with the load that operating side acts on column 1, column 1 is not subject to Moment, improves the working strength of column 1.
In prior art, in conjunction with referring to Fig. 1 and Fig. 2, lifting appliance comprises running block 6 ', and running block 6 ' is arranged on the upper lifting end as lifting appliance of unit head 4 ', forms single rope body after boom hoist cable 31 ' pile warp running block 6 ' in operating side.The object that running block 6 ' is installed is to reduce the suffered pulling force of boom hoist cable 31 ', reduces the requirement to boom hoist cable 31 ' tensile strength.But, the existence of running block 6 ' also makes the load of column 1 ' both sides be multiple relation, be that column 1 ' is far longer than column 1 ' towards the suffered load of a side of operating side towards the suffered load of a side of lifting end, thereby produce a very large moment of flexure at column 1 ' top, affect the intensity of column 1 ', reduce its application life.
And in the technical solution of the utility model, cancelled the running block 6 ' that is positioned at lifting end in prior art, the work-saving device 5 that plays same purpose is changed into and is arranged on operating side, work-saving device 5 is when reducing to drive the needed pulling force in operating side, the stressed of column 1 top can not exert an influence, the load that makes lifting end and operating side act on column 1 top is consistent, downward pressure is only born on column 1 top, and can not be subject to Moment, significantly reduced the possibility that column 1 lost efficacy and is out of shape because being subject to excessive flexural stress, also removed the stress concentration point of column 1 top fixed mount 2 with column 1 junction, the job stability of reliability of structure and complete machine is highly improved.
Specifically, in conjunction with referring to Fig. 3, in the present embodiment, lifting appliance 3 comprises boom hoist cable 31, the first movable pulley 35, the second movable pulley 34, the first guiding fixed pulley 32 and the second guiding fixed pulley 33, wherein the first guiding fixed pulley 32 and the second guiding fixed pulley 33 are articulated in respectively on fixed mount 2, and be positioned at the relative both sides of column 1, the first end of boom hoist cable 31 is fixed on fixed mount 2 after pile warp first guiding fixed pulley 32 and the first movable pulley 35 successively, the second end of boom hoist cable 31 is fixed on fixed mount 2 after pile warp second guiding fixed pulley 33 and the second movable pulley 34 successively, the first movable pulley 35 is connected with unit head 4 as the lifting end of lifting appliance 3, the second movable pulley 34 is connected with work-saving device 5 as the operating side of lifting appliance 3.Like this, boom hoist cable 31 is at the rope body quantity N1=2 of a side of column 1, and at the rope body quantity N2=2 of the opposite side of column 1, lifting end is identical with the load that operating side acts on column 1 both sides, and column 1 is not subject to Moment.
Certainly, here the quantity of boom hoist cable 31 can be one, two or more, adaptably, the quantity of the first movable pulley 35, the second movable pulley 34, the first guiding fixed pulley 32 and the second guiding fixed pulley 33 will increase thereupon, guarantees the first movable pulley 35, the second movable pulley 34, the first guiding fixed pulley 32 and the second guiding fixed pulley 33 that each boom hoist cable 31 pile warp is corresponding.
In addition, in conjunction with referring to Fig. 4, boom hoist cable 31 also has other set-up mode, for example, the first movable pulley 35 and the second movable pulley 34 are not set, but by the first end pile warp of boom hoist cable 31 the first guiding fixed pulley 32, second end pile warp the second guiding fixed pulley 33 of boom hoist cable 31, the first end of boom hoist cable 31 is directly fixed on unit head 4 as the lifting end of lifting appliance 3, the second end of boom hoist cable 31 is directly connected with work-saving device 5 as operating side, can realize equally the object that keeps the column 1 suffered counterweight balance in both sides.
For the convenient lifting end that lifting appliance 3 is installed, preferably, unit head 4 tops are provided with holder 36, and in the situation that the first movable pulley 35 is held as lifting, the first movable pulley 35 is articulated on holder 36, with respect to unit head 4, is fixedly installed; Or in the situation that the first end of boom hoist cable 31 is held as lifting, the first end of boom hoist cable 31 is directly fixed on holder 36.
In conjunction with referring to Fig. 4, preferably, work-saving device 5 comprises fixed pulley group 53, running block 54, rises and pull out wire rope 52 and hoist engine 51, wherein fixed pulley group 53 is fixedly installed with respect to column 1, and the bottom of close column 1, running block 54 is positioned at fixed pulley group 53 tops, and the distance between running block 54 and fixed pulley group 53 can be adjusted, rise and pull out wire rope 52 windings on hoist engine 51, fixing with respect to fixed pulley group 53 after rope-out end pile warp running block 54 and fixed pulley group 53.When hoist engine 51 folding and unfoldings rise, pull out wire rope 52, when having made to pull out the rope body length of wire rope 52 between fixed pulley group 53 and running block 54 and adjusting, the distance between running block 54 and fixed pulley group 53 is adjusted thereupon.
When the second movable pulley 34 is during as operating side, running block 54 is relative fixing with the second movable pulley 34; When the second end of boom hoist cable 31 is during as operating side, the second end of boom hoist cable 31 is fixedly installed with respect to running block 54, can realize the control of the operating side of 54 pairs of lifting appliances 3 of running block.Running block 54 is by having reduced to pull out the pulling force of wire rope 52, and then reduces the required driving force of hoist engine 51.
The set-up mode of fixed pulley group 53 and running block 54 has multiple, in the present embodiment, fixed pulley group 53 comprises two groups of fixed pulleys, and wherein every group of fixed pulley connects by a pivotal axis, the pivotal axis of two groups of fixed pulleys is parallel, and every group of fixed pulley arranged along the axis direction perpendicular to pivotal axis.Running block 54 comprises three groups of movable pulley, wherein every group of movable pulley connects by a pivotal axis, the pivotal axis of three groups of movable pulley is parallel, and the pivotal axis of three groups of movable pulley is parallel with the pivotal axis of two groups of fixed pulleys, and every group of movable pulley arranged along the direction perpendicular to self pivotal axis.
Preferably, every group of fixed pulley comprises 3 fixed pulleys, and every group of movable pulley comprises 2 movable pulley, and fixed pulley group 53 comprises 6 fixed pulleys, and running block 54 comprises 6 movable pulley.Certainly, the arrangement that running block 54 and fixed pulley group 53 are concrete should design according to actual needs, plays and has reduced the effect that wire rope 52 is mentioned unit head 4 required pulling force of pulling out.
Preferably, running block 54 is arranged on adjustable shelf 56, and the second movable pulley 34 is during as operating side, and the second movable pulley 34 is articulated on adjustable shelf 56; The second end of boom hoist cable 31 is during as operating side, and the second end of boom hoist cable 31 is directly fixed on adjustable shelf 56, realizes operating side relative fixing of running block 54 and lifting appliance 3 by adjustable shelf 56.
Preferably, between fixed pulley group 53 and hoist engine 51, be provided with the 3rd guiding fixed pulley 55, the 3rd guiding fixed pulley 55 is fixed on for the fixing and mounting bracket 57 of fixed pulley group 53 is installed, work rope-out end pile warp the 3rd guiding fixed pulley 55 and the running block 54 successively pull out wire rope 52, can standard work the rope stretching angle of pulling out wire rope 52, prevent from pulling out wire rope 52 rope skippings.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1, cancel the suffered moment of flexure of column, avoid column top strain to concentrate, improve the stability of reliability of structure and complete machine work.
2, work-saving device is arranged on the operating side of lifting appliance, can reduce to drive the required external force of unit head, can the load distribution of column top not exert an influence again.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, 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., within all should being included in protection domain of the present utility model.
Claims (8)
1. a pile frame, comprise column (1), fixed mount (2) and lifting appliance (3), described fixed mount (2) is fixed on described column (1), described lifting appliance (3) is arranged on described fixed mount (2), described lifting appliance (3) has lifting end and operating side, and described lifting end and described operating side are positioned at the relative both sides of described column (1);
It is characterized in that, described lifting appliance (3) comprises boom hoist cable (31), described in described boom hoist cable (31) pile warp, fixed mount (2) arranges, and it is identical that described boom hoist cable (31) is positioned at the rope body quantity that rope body quantity between described lifting end and described fixed mount (2) and described boom hoist cable (31) be positioned between described operating side and described fixed mount (2);
Described pile frame also comprises work-saving device (5), and described work-saving device (5) is arranged on the described operating side of described lifting appliance (3), drives the motion of described operating side.
2. pile frame according to claim 1, it is characterized in that, described lifting appliance (3) also comprises the first movable pulley (35) and the second movable pulley (34), the first movable pulley (35) being fixed on described fixed mount (2) described in the first end pile warp of described boom hoist cable (31), the second movable pulley (34) being fixed on described fixed mount (2) described in the second end pile warp of described boom hoist cable (31), described the first movable pulley (35) is as described lifting end, described the second movable pulley (34) is connected with described work-saving device (5) as described operating side.
3. pile frame according to claim 2, it is characterized in that, described lifting appliance (3) also comprises the first guiding fixed pulley (32) and the second guiding fixed pulley (33), and described the first guiding fixed pulley (32) is separately positioned on described the second guiding fixed pulley (33) the relative both sides that described column (1) was gone up and be positioned to described fixed mount (2);
The first guiding fixed pulley (32) to be fixed on described fixed mount (2) upper described in the described first end pile warp of described boom hoist cable (31), the described first end and described first that described the first movable pulley (35) is positioned at described boom hoist cable (31) leads between fixed pulley (32);
The second guiding fixed pulley (33) to be fixed on described fixed mount (2) upper described in the described second end pile warp of described boom hoist cable (31), described the second end that described the second movable pulley (34) is positioned at described boom hoist cable (31) leads between fixed pulley (33) with described second.
4. pile frame according to claim 1, is characterized in that,
Described lifting appliance (3) also comprises the first guiding fixed pulley (32) and the second guiding fixed pulley (33), and described the first guiding fixed pulley (32) is separately positioned on described the second guiding fixed pulley (33) the relative both sides that described column (1) was gone up and be positioned to described fixed mount (2);
The first guiding fixed pulley (32) as described lifting end described in the first end pile warp of described boom hoist cable (31), the second guiding fixed pulley (33) being connected with described work-saving device (5) as described operating side described in the second end pile warp of described boom hoist cable (31).
5. according to the pile frame described in any one in claim 1 to 4, it is characterized in that, described work-saving device (5) comprising:
Fixed pulley group (53), is fixedly installed with respect to described column (1);
Running block (54), is fixedly installed with respect to the described operating side of described lifting appliance (3), and and described fixed pulley group (53) between distance arrange adjustably;
Rise and to pull out wire rope (52), fixed pulley group (53) and described running block (54) described in the pile warp of rope-out end, and be fixedly installed with respect to described fixed pulley group (53); And
Hoist engine (51), is arranged with described rising and pulls out wire rope (52).
6. pile frame according to claim 5, is characterized in that,
Described fixed pulley group (53) comprises two groups of fixed pulleys, and the axis of described two groups of fixed pulleys is parallel, and the line of centres of described two groups of fixed pulleys is perpendicular to its axis direction;
Described running block (54) comprises three groups of movable pulley, and the axis of described three groups of movable pulley is parallel to the axis of described two groups of fixed pulleys, and the line of centres of described three groups of movable pulley is perpendicular to the axis direction of described two groups of fixed pulleys.
7. pile frame according to claim 5, is characterized in that, described work-saving device (5) also comprises adjustable shelf (56), and the described operating side of described running block (54) and described lifting appliance (3) is separately positioned on described adjustable shelf (56).
8. pile frame according to claim 5, it is characterized in that, described work-saving device (5) also comprises the 3rd guiding fixed pulley (55), described the 3rd guiding fixed pulley (55) is fixedly installed with respect to described fixed pulley group (53), and described described rope-out end of pulling out wire rope (52) be the 3rd guiding fixed pulley (55) and described running block (54) described in pile warp successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717058.9U CN203531760U (en) | 2013-11-13 | 2013-11-13 | Pile frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717058.9U CN203531760U (en) | 2013-11-13 | 2013-11-13 | Pile frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203531760U true CN203531760U (en) | 2014-04-09 |
Family
ID=50417982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717058.9U Expired - Lifetime CN203531760U (en) | 2013-11-13 | 2013-11-13 | Pile frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203531760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763355A (en) * | 2015-03-23 | 2015-07-08 | 山河智能装备股份有限公司 | Upright moment adaptive balance mechanism |
| CN106477470A (en) * | 2016-12-12 | 2017-03-08 | 恒天九五重工有限公司 | The guider of running block and rig |
-
2013
- 2013-11-13 CN CN201320717058.9U patent/CN203531760U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763355A (en) * | 2015-03-23 | 2015-07-08 | 山河智能装备股份有限公司 | Upright moment adaptive balance mechanism |
| CN106477470A (en) * | 2016-12-12 | 2017-03-08 | 恒天九五重工有限公司 | The guider of running block and rig |
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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: 20140409 |
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| CX01 | Expiry of patent term |