CN101768969B - Upright post type pile driving frame with post-tensioning device - Google Patents
Upright post type pile driving frame with post-tensioning device Download PDFInfo
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- CN101768969B CN101768969B CN201010022953XA CN201010022953A CN101768969B CN 101768969 B CN101768969 B CN 101768969B CN 201010022953X A CN201010022953X A CN 201010022953XA CN 201010022953 A CN201010022953 A CN 201010022953A CN 101768969 B CN101768969 B CN 101768969B
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- top pulleys
- driving frame
- pile driving
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Abstract
The invention discloses an upright post type pile driving frame with a post-tensioning device, which comprises an upright post (1), a top pulley mechanism (2) and a shaping bracket (4), wherein the lower end of the upright post (1) is fixed on the shaping bracket (4); the top pulley mechanism (2) is installed at the upper end of the upright post (1); and a lifting pulley (23) is installed at the front end of the top pulley mechanism (2). The pile driving frame of the invention is characterized by also comprising a post-tensioning mechanism (3), wherein one end of the post-tensioning mechanism (3) is connected with the back end of top pulley mechanism (2), and the other end of the post-tensioning mechanism (3) is connected with the back end of the shaping bracket (4). The opposite parts of the top pulley mechanism (2) and the upright post (1) are connected through a pin shaft (22), so that the top pulley mechanism (2) rotates up and down for a certain angle relative to the upright post (1), and keeps the top pulley mechanism (2) bearing balanced force from top to bottom. The pile driving frame can ensure the verticality requirements of drilling operation, improves the stress condition of the upright post, prolongs the service life of the pile driving frame, and improves the accuracy and the security of pile foundation construction.
Description
Affiliated technical field
The present invention relates to a kind of post-tensioning device, more precisely, relate to a kind of upright post type pile driving frame with post-tensioning device.
Background technology
The pile driving frame of in the pile foundation construction industry, using always, its column sets up top pulleys mechanism, and the pulley yoke bottom adopts flange connection to be fixed on the flange on column top usually.When the suspension auger carries out bore operation on the guide rail of the front of pile driving frame column, because the effect of pulling capacity in apparatus for work deadweight and the boring procedure, will make the top pulleys mechanism of column top bear bigger moment of flexure, cause column top to produce flexural deformation because of being subjected to force unbalance, if this flexural deformation surpasses the elastic deformation of column, will reduce the intensity of column and pulley mechanism like this, have a strong impact on the life-span of column and top pulleys mechanism, significantly reduce working security, reduce the verticality requirement of bore operation.
Along with the continuous increase of China's deep foundation work items, the appearance of large-scale extra-deep hole drilling machine is had higher requirement to height, the intensity of existing supporting pile frame column, and original technology can't guarantee the deep foundation construction safety.
Technical scheme
The objective of the invention is to according to the deficiencies in the prior art, provide a kind of and can effectively improve pile driving frame column and top pulleys mechanism force-bearing situation, prolong pile driving frame application life, guarantee that the verticality of bore operation requires, further improves the upright post type pile driving frame with post-tensioning device of construction precision operational security.
The present invention is achieved through the following technical solutions:
The present invention includes column 1, top pulleys mechanism 2 and ox head support 4; Wherein, column 1 lower end is fixed on the ox head support 4, and column 1 upper end is equipped with top pulleys mechanism 2; The front end of top pulleys mechanism 2 has been installed Hanging roller 23, it is characterized in that also comprising a back strainer 3, and the one end connects the rear end of top pulleys mechanism 2; The other end is connected with ox head support 4 rear ends, the relative part of described top pulleys mechanism 2 and column 1 is connected by bearing pin 22, so that top pulleys mechanism 2 relative columns 1 turn an angle up and down and keep top pulleys mechanism force balance about in the of 2, described back strainer 3 comprises counter-jib 31, tensioned lines 33, adjusting rod 34, adjuster 35 and alignment pin 36, and counter-jib 31 is fixed by minor axis 24 and top pulleys mechanism 2 rear ends; The other end of counter-jib 31 is connected with an end of tensioned lines 33 by pin 32 respectively; The other end of tensioned lines 33 is connected with adjusting rod 34; Adjusting rod 34 can be installed in the inner chamber of adjuster 35 with the alignment pin 36 that slides up and down; Rectilinear direction at adjusting rod 34 and adjuster 35 has equidistant locating hole 37; The rear end of adjuster 35 is connected to the bearing 42 of ox head support 4 rear ends by little axle 38.
The present invention can be, the front end of described ox head support 4 is provided with groove 41, and the coxopodite 11 of described column 1 lower end is installed in the groove 41 of ox head support 4 by the axle 12 of having strong market potential.
The present invention can also be, the relative part of described top pulleys mechanism 2 and column 1 is respectively a pair of riser 131 on epimerite 13 end faces on the protuberance of top pulleys mechanism 2 bottoms and column 1 top, and their opposite faces are provided with the axis hole that bearing pin 22 is installed.
Beneficial effect of the present invention is, by bearing pin connected mode and the back strainer that adopts top pulleys mechanism and column epimerite, improve the force-bearing situation of pile frame column, guaranteed column and top pulleys mechanism stress balance, prolonged column, top pulleys mechanism application life.Simultaneously, can guarantee the verticality requirement of bore operation, improve the pile foundation homework precision.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the structural representation of this column post-tensioning device;
Fig. 2 is the right view of Fig. 1
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
The specific embodiment
As shown in the figure, a kind of upright post type pile driving frame with post-tensioning device comprises column 1, top pulleys mechanism 2 and ox head support 4; The front end of ox head support 4 is provided with groove 41, and the coxopodite 11 of column 1 lower end is installed in the groove 41 of ox head support 4 by the axle 12 of having strong market potential; The upper end of column 1 is equipped with top pulleys mechanism 2, the relative part of top pulleys mechanism 2 and column 1 is respectively a pair of riser 131 on epimerite 13 end faces on the protuberance of top pulleys mechanism 2 bottoms and column 1 top, and their opposite faces are provided with the axis hole that bearing pin 22 is installed; The front end of top pulleys mechanism 2 has been installed Hanging roller 23, also comprises a back strainer 3, and the one end connects the rear end of top pulleys mechanism 2; The other end of back strainer 3 is connected with ox head support 4 rear ends, turns an angle up and down by bearing pin 22 on the relative part of top pulleys mechanism 2 and column 1 and keeps top pulleys mechanism force balance about in the of 2; Back strainer 3 comprises counter-jib 31, tensioned lines 33, adjusting rod 34, adjuster 35 and alignment pin 36, and counter-jib 31 is fixed by minor axis 24 and top pulleys mechanism 2 rear ends; The other end of counter-jib 31 is connected with an end of tensioned lines 33 by pin 32 respectively; The other end of tensioned lines 33 is connected with adjusting rod 34; Adjusting rod 34 can be installed in the inner chamber of adjuster 35 with the alignment pin 36 that slides up and down; Rectilinear direction at adjusting rod 34 and adjuster 35 has equidistant locating hole 37; The rear end of adjuster 35 is connected to the bearing 42 of ox head support 4 rear ends by little axle 38.
When using pile driving frame to carry out bore operation, at first be installed on the pile driving frame at the ground of spaciousness upper pillar stand 1, top pulleys mechanism 2, back strainer 3 and ox head support 4, and the bearing pin 22 that is connected of a pair of riser 131 on epimerite 13 end faces on the protuberance of locking top pulleys mechanism 2 bottoms and column 1 top, and tensioned lines 33 is banded on the ladder of column 1 with rope, it is rocked; Start the column Hoisting System of pile driving frame, treat that column 1 holds up when perpendicular to the ground fully, fix the hound of column; The starting pile driving frame promotes hoist engine, hoisting wirerope hangs auger on the column 1 front guide rail by the Hanging roller 23 that rises of top pulleys mechanism 2 front ends, because auger self-gravity action, pile frame column 1 top and top pulleys mechanism 3 can produce and lean forward, use bottle gouard moved by hands tension tight rope 33, when top pulleys mechanism 2 and column 1 during the vertical or slight perk of front end, adjusting rod 34 is inserted the inner chamber of adjuster 35, to be locked behind the locating hole 37 that it is suitable that alignment pin 36 is packed into, at this moment, tensioned lines 33 is in the pretension state, strainer 3 tension top pulleys mechanisms 2, and the starting auger just can carry out the pile foundation operation.
Because this upright post type pile driving frame has post-tensioning device, has improved the force-bearing situation of pile frame column, guarantee column and top pulleys mechanism stress balance, prolong the application life of pile driving frame, effectively guarantee the safety of pile foundation construction.Simultaneously, can guarantee the verticality requirement of holing to have improved the pile foundation construction precision.
Claims (3)
1. the upright post type pile driving frame with post-tensioning device comprises column (1), top pulleys mechanism (2) and ox head support (4); Wherein, column (1) lower end is fixed on the ox head support (4), and column (1) upper end is equipped with top pulleys mechanism (2); The front end of top pulleys mechanism (2) has been installed Hanging roller (23), it is characterized in that also comprising a back strainer (3), and the one end connects the rear end of top pulleys mechanism (2); The other end is connected with ox head support (4) rear end, be connected by bearing pin (22) on the relative part of described top pulleys mechanism (2) and column (1), so that the relative column (1) of top pulleys mechanism (2) turns an angle up and down and keeps top pulleys frame (2) force balance up and down, described back strainer (3) comprises counter-jib (31), tensioned lines (33), adjusting rod (34), adjuster (35) and alignment pin (36), and counter-jib (31) is fixed by minor axis (24) and top pulleys mechanism (2) rear end; The other end of counter-jib (31) is connected with an end of tensioned lines (33) by pin (32); The other end of tensioned lines (33) is connected with adjusting rod (34); Adjusting rod (34) is installed in the inner chamber of adjuster (35) with the alignment pin (36) that can slide up and down; Rectilinear direction at adjusting rod (34) and adjuster (35) has equidistant locating hole (37); The rear end of adjuster (35) is connected to the bearing (42) of ox head support (4) rear end by little axle (38).
2. pile driving frame according to claim 1 is characterized in that the front end of described ox head support (4) is provided with groove (41), and the coxopodite (11) of described column (1) lower end is installed in the groove (41) of ox head support (4) by the axle (12) of having strong market potential.
3. pile driving frame according to claim 1, the relative part that it is characterized in that described top pulleys mechanism (2) and column (1) is respectively a pair of riser (131) on epimerite (13) end face on the protuberance of top pulleys mechanism (2) bottom and column (1) top, and their opposite faces are provided with the axis hole that bearing pin (22) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010022953XA CN101768969B (en) | 2010-01-19 | 2010-01-19 | Upright post type pile driving frame with post-tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010022953XA CN101768969B (en) | 2010-01-19 | 2010-01-19 | Upright post type pile driving frame with post-tensioning device |
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| Publication Number | Publication Date |
|---|---|
| CN101768969A CN101768969A (en) | 2010-07-07 |
| CN101768969B true CN101768969B (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010022953XA Active CN101768969B (en) | 2010-01-19 | 2010-01-19 | Upright post type pile driving frame with post-tensioning device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760146A (en) * | 2019-03-12 | 2019-05-17 | 桂林航天工业学院 | A kind of gravity tension device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2562573B2 (en) * | 1983-08-16 | 1996-12-11 | 日本車輌製造株式会社 | Back tension device of three-point support type pile driver. |
| US6536541B2 (en) * | 2001-01-17 | 2003-03-25 | Soilmec S.P.A. | Boring unit for pile foundations |
| CN1280518C (en) * | 2000-06-28 | 2006-10-18 | 包尔机械有限公司 | Building machinery |
| CN200967962Y (en) * | 2006-11-10 | 2007-10-31 | 邓文武 | Pile hammer hoisting mechanism |
| CN201649089U (en) * | 2010-01-19 | 2010-11-24 | 上海工程机械厂有限公司 | Pile driving frame with vertical post rear tensioning device |
-
2010
- 2010-01-19 CN CN201010022953XA patent/CN101768969B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2562573B2 (en) * | 1983-08-16 | 1996-12-11 | 日本車輌製造株式会社 | Back tension device of three-point support type pile driver. |
| CN1280518C (en) * | 2000-06-28 | 2006-10-18 | 包尔机械有限公司 | Building machinery |
| US6536541B2 (en) * | 2001-01-17 | 2003-03-25 | Soilmec S.P.A. | Boring unit for pile foundations |
| CN200967962Y (en) * | 2006-11-10 | 2007-10-31 | 邓文武 | Pile hammer hoisting mechanism |
| CN201649089U (en) * | 2010-01-19 | 2010-11-24 | 上海工程机械厂有限公司 | Pile driving frame with vertical post rear tensioning device |
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| Publication number | Publication date |
|---|---|
| CN101768969A (en) | 2010-07-07 |
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