CN113494087A - Integrated hydraulic pile feeder of static pile press - Google Patents
Integrated hydraulic pile feeder of static pile press Download PDFInfo
- Publication number
- CN113494087A CN113494087A CN202111046746.2A CN202111046746A CN113494087A CN 113494087 A CN113494087 A CN 113494087A CN 202111046746 A CN202111046746 A CN 202111046746A CN 113494087 A CN113494087 A CN 113494087A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a hydraulic pile feeder of an integrated static pile press, which relates to the field of static pile presses and comprises a bearing vehicle body and a pile pressing assembly, wherein the bearing vehicle body is connected with a deflection crank arm, the end part of the deflection crank arm is connected with the pile pressing assembly, the bottoms of guide sliding shafts arranged at two sides of a main pile pressing bracket are connected with a side action pile pressing device, and the tops of the guide sliding shafts arranged at two sides of the main pile pressing bracket are connected with a top action pile pressing device, so that the hydraulic pile feeder has the beneficial effects that: the pile driving device is characterized in that a pile driving main bracket is arranged on the bearing vehicle body, a deflection crank arm is arranged on the deflection crank arm, a positioning hydraulic cylinder is arranged on the deflection crank arm, and a side action pile pressing device and a top action pile pressing device are arranged on the deflection crank arm.
Description
Technical Field
The invention relates to the field of static pressure pile machines, in particular to an integrated hydraulic pile feeder of a static pressure pile machine.
Background
The static pressure pile machine is a pile driving mechanical device which utilizes static pressure to drive a pile into the ground, and compared with a pile driving method, the static pressure pile machine greatly reduces the problems of noise pollution of the environment, serious oil smoke pollution, low pile driving quality and the like.
In the prior art, application number CN201620075468.1 discloses a self-propelled multifunctional U-shaped steel sheet pile full-hydraulic static pile press. The self-propelled multifunctional U-shaped steel sheet pile full-hydraulic static pile press comprises a machine body and a pile pressing head for pressing a U-shaped steel sheet pile, wherein the machine body comprises an upper machine body and a lower machine body, the upper machine body is in sliding connection with the lower machine body, one side of the upper machine body is provided with a stand column, the stand column is provided with a hydraulic oil cylinder, the pile pressing head is connected onto a telescopic rod of the hydraulic oil cylinder, the bottom of the lower machine body is provided with a plurality of foot claw mechanisms matched with the U-shaped steel sheet pile, and the self-propelled multifunctional U-shaped steel sheet pile full-hydraulic static pile press has the beneficial effects of effectively reducing noise, reducing self weight, realizing automatic stepping and the like; the device provides pressure through a single hydraulic oil cylinder, so that a pile pressing head moves downwards along an upright post and applies pressure to a U-shaped steel plate pile, and the pile pressing efficiency is low due to the fact that insufficient power is easily generated; and the depth of the pile pressing is limited due to the influence of the depth of the pile pressing and the length of a telescopic rod of the hydraulic oil cylinder.
Disclosure of Invention
The invention aims to provide an integrated hydraulic pile feeder of a static pile press, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic pile feeder of an integrated static pile press comprises a bearing vehicle body and a pile pressing assembly, wherein a deflection crank arm is connected to the bearing vehicle body, the end part of the deflection crank arm is connected with the pile pressing assembly, the pile pressing assembly comprises a pile pressing main support, the back part of the pile pressing main support is in pivot joint with the end part of the deflection crank arm, 2-3 positioning hydraulic cylinders are connected between the deflection crank arm and the back part of the pile pressing main support, a support base is arranged at the bottom of the pile pressing main support, guide sliding shafts consistent with the length direction of the pile pressing main support are arranged on two sides of the pile pressing main support, the upper end and the lower end of each guide sliding shaft are fixed with the upper end and the lower end of the pile pressing main support, a side action pile pressing device is connected to the bottoms of the guide sliding shafts arranged on two sides of the pile pressing main support, a top action pile pressing device is connected to the tops of the guide sliding shafts arranged on two sides of the pile pressing main support, the top action pile pressing device comprises a top action pile pressing base, the axial direction of which is consistent with the guide sliding shafts, the jacking pile pressing base is a semicircular base with an opening arranged on the front side, two pairs of second sliding seats are arranged inside the jacking pile pressing base and matched with a guide sliding shaft in a sliding mode, the upper end of the jacking pile pressing base is connected with a jacking plate through a plurality of groups of telescopic guide rods, a nylon damping block is arranged at the bottom of the jacking plate, second pile pressing oil cylinders are fixed on two sides of the top of the jacking plate, telescopic rods of the second pile pressing oil cylinders extend downwards vertically, and the bottom ends of the second pile pressing oil cylinders are fixedly connected with a connecting base which is integrally formed on the jacking pile pressing base.
Preferably, the side-acting pile pressing device comprises a side-acting pile pressing base with the axial direction consistent with the guide of the guide sliding shaft, two pairs of first sliding seats are arranged on the back of the side-acting pile pressing base and matched with the guide sliding shaft in a sliding manner, a pair of pressure measuring oil cylinders are fixed on the outer walls of the two sides of the side-acting pile pressing base, telescopic rods of the pressure measuring oil cylinders are horizontally and penetrate through the center of the directional side-acting pile pressing base, abutting blocks are connected to the inner ends of the telescopic rods of the pressure measuring oil cylinders, a support arm is integrally formed on the back of the upper end of the side-acting pile pressing base, a first pile pressing oil cylinder is fixed on the support base, the telescopic rods of the first pile pressing oil cylinders vertically extend upwards, and the upper end of the telescopic rods of the first pile pressing oil cylinders is fixedly connected with the support arm.
Preferably, a lifting motor is fixed at the bottom of the jacking pile pressing base through a bolt, a rack which is consistent with the guide sliding shaft in guide is arranged on the front side surface of the pile pressing main support, a driving gear is arranged at the output shaft end of the lifting motor, and the driving gear is meshed with the rack.
Preferably, the back of the jacking pile pressing base is provided with a limiting assembly, the front side of the pile pressing main support is provided with a limiting tooth path corresponding to the limiting assembly, and the extending direction of the limiting tooth path is consistent with the guide sliding shaft.
Preferably, the limiting assembly comprises a limiting base integrally formed at the back of the jacking pile pressing base, an oil cavity is formed in the middle of the limiting base, a pin rod penetrates through the middle of the oil cavity in a sliding mode, a piston connected with the oil cavity in a matched mode is arranged at the inner end of the pin rod, the pin rod points to the limiting tooth path vertically, a limiting insert block is arranged at the outer end of the pin rod, and the end portion of the limiting insert block is clamped with the tooth groove of the limiting tooth path in a matched mode.
The invention has the technical effects and advantages that:
1. according to the invention, the bearing vehicle body bears the pile pressing assembly to move, and the deflection crank arm is controlled by combining the foundation hydraulic driving system in the bearing vehicle body and the deflection main support of the pile pressing is controlled by the positioning hydraulic cylinder, so that the pile pressing direction of the pile pressing assembly is adjusted, the pile pressing device is suitable for piling on uneven terrains, and the flexibility is high;
2. when the side action pile pressing device works, the telescopic rods of the pressure measuring oil cylinders are controlled to extend until the pressing blocks at two sides press and fix the pile body, and meanwhile, the telescopic rods of the first pile pressing oil cylinders are controlled to retract to drive the side action pile pressing device to move downwards, so that the fixed pile body of the side action pile pressing device is pressed downwards;
3. when the jacking action pile pressing device works, the lifting motor drives the driving gear to be meshed with the rack for transmission, the side action pile pressing device is controlled to be lifted to the position of the upper end of the pile body, the jacking plate is jacked with the top end of the pile body, then when hydraulic oil is supplied into an oil cavity arranged in the limiting assembly through the hydraulic system, the pin rod is driven to push outwards until the end part of the limiting insert block arranged at the outer end of the pin rod is matched and clamped with the tooth groove of the limiting tooth path, so that the limiting of the jacking action pile pressing base is completed, and finally, the telescopic rod of the second pile pressing oil cylinder is controlled to retract to drive the jacking plate to move downwards so as to press the upper end of the pile body downwards.
Drawings
Fig. 1 is a schematic perspective view 1 of the present invention.
Fig. 2 is a schematic perspective view of the present invention 2.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a front view of the structure of the present invention.
Fig. 5 is an enlarged view at B in fig. 4.
Fig. 6 is a side view of the structure of the present invention.
Fig. 7 is an enlarged view at C in fig. 6.
Fig. 8 is an enlarged view at D in fig. 6.
In the figure: 1. a load-bearing vehicle body; 101. a deflection crank arm; 102. a position adjusting hydraulic cylinder; 2. pressing a main support; 201. a guide slide shaft; 202. a support base; 203. a rack; 204. a limit tooth path; 3. a side-acting pile-pressing device; 301. side-acting pile pressing bases; 3011. a first slider; 3012. a support arm; 302. a pressure measuring oil cylinder; 303. a pressing block; 304. a first pile pressing oil cylinder; 4. jacking pile pressing devices; 401. jacking to press the pile foundation; 4011. a connecting base; 402. a telescopic guide rod; 403. a top pressing plate; 4031. a nylon shock absorption block; 404. a second pile pressing oil cylinder; 5. a lifting motor; 501. a driving gear; 6. a limiting component; 601. a limiting base; 602. an oil chamber; 603. a pin rod; 604. a piston; 605. and limiting the inserting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a hydraulic pile feeder of an integrated static pile press as shown in figures 1-8, which comprises a bearing vehicle body 1 and a pile pressing component, wherein a deflection crank arm 101 is connected on the bearing vehicle body 1, the deflection crank arm 101 is controlled by a basic hydraulic drive system to deflect, the end part of the deflection crank arm 101 is connected with the pile pressing component, the pile pressing component comprises a pile pressing main bracket 2 with the back part thereof being rotationally connected with the end part of the deflection crank arm 101, 2-3 position adjusting hydraulic cylinders 102 are connected between the deflection crank arm 101 and the back part of the pile pressing main bracket 2, the deflection crank arm 101 and the position adjusting hydraulic cylinders 102 are controlled by combining a basic hydraulic drive system in the bearing vehicle body 1 to control the deflection of the pile pressing main bracket 2, thereby achieving the purpose of adjusting the pile pressing direction of the pile pressing component, being suitable for uneven terrain pile driving, having high flexibility, a support base 202 arranged at the bottom of the pile pressing main bracket 2 and being in contact with the ground for supporting, two sides of the pile pressing main bracket 2 are respectively provided with a guide sliding shaft 201 which is consistent with the length direction of the pile pressing main bracket 2, the upper end and the lower end of the guide sliding shaft 201 are fixed with the upper end and the lower end of the pile pressing main support 2, the bottom of the guide sliding shaft 201 arranged on the two sides of the pile pressing main support 2 is connected with a side action pile pressing device 3, and the top of the guide sliding shaft 201 arranged on the two sides of the pile pressing main support 2 is connected with a top action pile pressing device 4.
Referring to fig. 1 and 5, the side action pile driving device 3 includes a side action pile driving base 301 whose axial direction is consistent with the guide of the guide sliding shaft 201, two pairs of first sliding seats 3011 are provided at the back of the side action pile driving base 301 to be matched with the guide sliding shaft 201 for sliding connection, a pair of pressure measuring cylinders 302 are fixed on the outer walls of both sides of the side action pile driving base 301, the telescopic rods of the pressure measuring cylinders 302 horizontally penetrate the center of the side action pile driving base 301, the inner ends of the telescopic rods of each pair of pressure measuring cylinders 302 are connected with a pressing block 303, the pile body is placed in the middle of the side action pile driving base 301 during pile driving, the telescopic rods of the pressure measuring cylinders 302 are controlled to extend until the pressing blocks 303 at both sides contact and press the pile body, the inner side of the pressing block 303 is provided with a nylon anti-slip block, and the inner side surface of the nylon anti-slip block is a concave arc surface, which not only improves the contact friction force with the side surface of the pile body, meanwhile, excessive extrusion damage to the side face of the pile body is avoided, as shown in fig. 6 and 7, a support arm 3012 is integrally formed at the back of the upper end of the side-acting pile-pressing base 301, a first pile-pressing oil cylinder 304 is fixed on the support base 202, a telescopic rod of the first pile-pressing oil cylinder 304 extends vertically upwards, the upper end of the telescopic rod of the first pile-pressing oil cylinder 304 is fixedly connected with the support arm 3012, the side-acting pile-pressing device 3 is driven to move downwards by controlling the telescopic rod of the first pile-pressing oil cylinder 304 to retract, and therefore the fixed pile body of the side-acting pile-pressing device 3 is pressed downwards.
Referring to fig. 1 and 3, the jacking pile pressing device 4 includes a jacking pile pressing base 401 having an axial direction consistent with the guide direction of the guide slide shaft 201, the jacking pile pressing base 401 is a semicircular base with an opening arranged at the front side, two pairs of second sliding seats are arranged inside the jacking pile pressing base 401 and are in sliding connection with the guide slide shaft 201, the upper end of the jacking pile pressing base 401 is connected with a pressing plate 403 through a plurality of groups of telescopic guide rods 402, a lifting motor 5 is fixed at the bottom of the jacking pile pressing base 401 through bolts, a rack 203 having a guide direction consistent with the guide slide shaft 201 is arranged on the front side surface of a main support of the pile pressing 2, a driving gear 501 is arranged at the output shaft end of the lifting motor 5, the driving gear 501 is meshed with the rack 203, the driving gear 501 is driven by the lifting motor 5 to be meshed with the rack 203, so as to complete the lifting of the side acting pile pressing device 3, second pile pressing cylinders 404 are fixed at both sides of the top of the pressing plate 403, the telescopic rod of the second pile-pressing oil cylinder 404 extends vertically downwards, the bottom end of the second pile-pressing oil cylinder 404 is fixedly connected with a connecting base 4011 which is integrally formed on the jacking action pile-pressing base 401, before pile pressing, the lifting motor 5 drives a driving gear 501 and a rack 203 to mesh and transmit, the side action pile-pressing device 3 is controlled to ascend and descend to the upper end position of the pile body, so that the jacking plate 403 is jacked against the top end of the pile body, a nylon damping block 4031 arranged at the bottom of the jacking plate 403 is contacted with the top end of the pile body, abrasion to the pile body and the jacking plate 403 is reduced, the extension amount of the telescopic guide rod 402 is the maximum extension amount at the moment, the telescopic rod of the second pile-pressing oil cylinder 404 is controlled to retract, the jacking plate 403 is driven to move downwards, and the upper end of the pile body is pressed downwards.
Referring to fig. 6 and 8, the back of the pile pressing base 401 is provided with a limiting component 6, the front side of the pile pressing main support 2 is provided with a limiting tooth path 204 corresponding to the position of the limiting component 6, the extending direction of the limiting tooth path 204 is consistent with the guiding sliding shaft 201, the limiting component 6 comprises a limiting base 601 integrally formed on the back of the pile pressing base 401, the middle of the limiting base 601 is provided with an oil cavity 602, a pin 603 is inserted through the middle of the oil cavity 602 in a sliding manner, the inner end of the pin 603 is provided with a piston 604 in fit connection with the oil cavity 602, the pin 603 is vertically directed to the limiting tooth path 204, the outer end of the pin 603 is provided with a limiting insert 605, when hydraulic oil is supplied into the oil cavity 602 by a hydraulic system, the pin 603 is driven to be pushed to the outer end until the end of the limiting insert 605 arranged at the outer end of the pin 603 is engaged with the tooth groove of the limiting tooth path 204, thereby limiting the pile pressing base 401, the limiting assembly 6 has the following functions: during the pile pressing process of the jacking pile pressing device 4, the jacking pile pressing base 401 is fixed.
The working principle of the invention is as follows: when the pile pressing device works, the pile pressing component is borne by the bearing vehicle body 1 to move, the deflection crank arm 101 is controlled by combining a foundation hydraulic driving system in the bearing vehicle body 1, and the pile pressing main bracket 2 is controlled by combining the positioning hydraulic cylinder 102 to deflect, so that the pile pressing direction of the pile pressing component is adjusted, the pile pressing device is suitable for piling on uneven terrains, and the flexibility is high;
for example, as shown in fig. 1 and fig. 6, a pile body is hoisted to vertically enter a side-acting pile pressing base 301 of a side-acting pile pressing device 3, when the side-acting pile pressing device 3 works, a telescopic rod of a pressure measuring oil cylinder 302 is controlled to extend until pressing blocks 303 on two sides press and fix the pile body, and meanwhile, the telescopic rod of a first pile pressing oil cylinder 304 is controlled to retract to drive the side-acting pile pressing device 3 to move downwards so as to press a fixed pile body of the side-acting pile pressing device 3 downwards, and then the telescopic rod of the pressure measuring oil cylinder 302 retracts to enable the pressing blocks 303 to be separated from fixing the pile body, so that the telescopic rod of the first pile pressing oil cylinder 304 is controlled to extend to enter a second pile pressing operation, and the above operations are repeated to complete side-acting pile pressing on the pile body;
when the jacking pile pressing device 4 works, the lifting motor 5 drives the driving gear 501 to be meshed with the rack 203 for transmission, the side action pile pressing device 3 is controlled to be lifted to the position of the upper end of the pile body, so that the jacking plate 403 is jacked with the top end of the pile body, then when hydraulic oil is supplied into the oil cavity 602 arranged on the limiting assembly 6 by the hydraulic system, the pin rod 603 is driven to be pushed outwards until the end part of the limiting insert block 605 arranged at the outer end of the pin rod 603 is matched and clamped with the tooth socket of the limiting tooth way 204, thereby limiting the jacking pile pressing base 401, finally, the telescopic rod of the second pile pressing oil cylinder 404 is controlled to retract, the jacking plate 403 is driven to move downwards, the upper end of the pile body is pressed downwards, then the hydraulic system discharges the hydraulic oil in the oil cavity 602 arranged on the limiting assembly 6, the pin rod 603 is driven to retract inwards until the end part of the limiting insert block 605 arranged at the outer end of the pin rod 603 is separated from the tooth socket of the limiting tooth way 204, at the moment, the lifting motor 5 continues to drive the jacking pile pressing base 401 to descend, then the limiting assembly 6 limits the jacking pile pressing base 401 again, the second pile pressing operation can be carried out, and the pile pressing operation is repeated to complete the longitudinal pile pressing operation on the pile body;
the pile body is driven by the combination of the top end action and the side surface action of the side action pile pressing device 3 and the top action pile pressing device 4 on the pile body, so that sufficient power for driving the pile is ensured, and the pile driving efficiency is effectively improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an integral type static pressure stake machine hydraulic pressure pile follower, is including bearing automobile body (1) and pile pressing subassembly, its characterized in that: the pile pressing device is characterized in that a deflection crank arm (101) is connected onto the bearing vehicle body (1), the end part of the deflection crank arm (101) is connected with a pile pressing component, the pile pressing component comprises a pile pressing main bracket (2) with the back part rotationally connected to the end part of the deflection crank arm (101), 2-3 positioning hydraulic cylinders (102) are connected between the deflection crank arm (101) and the back part of the pile pressing main bracket (2), a supporting base (202) is arranged at the bottom of the pile pressing main bracket (2), guide sliding shafts (201) consistent with the length direction of the pile pressing main bracket (2) are arranged on two sides of the pile pressing main bracket (2), the upper and lower ends of the guide sliding shafts (201) are fixed with the upper and lower ends of the pile pressing main bracket (2), a side acting pile pressing device (3) is connected to the bottoms of the guide sliding shafts (201) arranged on two sides of the pile pressing main bracket (2), and a top acting pile pressing device (4) is connected to the tops of the guide sliding shafts (201) arranged on two sides of the pile pressing main bracket (2), the jacking action pile pressing device (4) comprises a jacking action pile pressing base (401) which is axially consistent with the guide of the guide sliding shaft (201), the jacking action pile pressing base (401) is a semicircular base with an opening arranged on the front side, two pairs of second sliding seats are arranged inside the jacking action pile pressing base (401) and are matched with the guide sliding shaft (201) in a sliding manner, the upper end of the jacking action pile pressing base (401) is connected with a jacking plate (403) through a plurality of groups of telescopic guide rods (402), a nylon damping block (4031) is arranged at the bottom of the jacking plate (403), second pile pressing oil cylinders (404) are fixed on two sides of the top of the jacking plate (403), telescopic rods of the second pile pressing oil cylinders (404) extend downwards vertically, and the bottom ends of the second pile pressing oil cylinders (404) are fixedly connected with a connecting base (4011) which is integrally formed on the jacking action pile pressing base (401).
2. The hydraulic pile driver of the integrated static pile press according to claim 1, characterized in that: the side-acting pile pressing device (3) comprises a side-acting pile pressing base (301) with the axial direction consistent with the guide of the guide sliding shaft (201), two pairs of first sliding seats (3011) are arranged at the back of the side-acting pile pressing base (301) and are matched with the guide sliding shaft (201) in a sliding manner, a pair of pressure measuring oil cylinders (302) are fixed on the outer walls of the two sides of the side-acting pile pressing base (301), telescopic rods of the pressure measuring oil cylinders (302) penetrate through the center of the side-acting pile pressing base (301) in the horizontal direction, the inner end of the telescopic rod of each pair of pressure measuring oil cylinders (302) is connected with a pressing block (303), a support arm (3012) is integrally formed at the back of the upper end of the side-acting pile-pressing base (301), a first pile-pressing oil cylinder (304) is fixed on the support base (202), a telescopic rod of the first pile-pressing oil cylinder (304) extends vertically upwards, and the upper end of the telescopic rod of the first pile pressing oil cylinder (304) is fixedly connected with the support arm (3012).
3. The hydraulic pile driver of the integrated static pile press according to claim 2, characterized in that: lifting motor (5) is fixed at the bottom of the jacking pile pressing base (401) through bolts, a rack (203) with the same guiding direction as that of the guide sliding shaft (201) is arranged on the front side surface of the pile pressing main support (2), a driving gear (501) is arranged at the output shaft end of the lifting motor (5), and the driving gear (501) is meshed with the rack (203).
4. The hydraulic pile driver of the integrated static pile press according to claim 2, characterized in that: the back of the jacking pile pressing base (401) is provided with a limiting component (6), the front side of the pile pressing main support (2) corresponding to the position of the limiting component (6) is provided with a limiting tooth path (204), and the extending direction of the limiting tooth path (204) is consistent with that of the guide sliding shaft (201).
5. The hydraulic pile driver of the integrated static pile press according to claim 4, characterized in that: spacing subassembly (6) include in roof effect pile pressing base (401) back integrated into one piece limit base (601), and oil pocket (602) have been seted up at limit base (601) middle part, have run through pin pole (603) along oil pocket (602) middle part sliding plug, the inner of pin pole (603) is equipped with piston (604) of being connected with oil pocket (602) cooperation, pin pole (603) vertical direction limit tooth way (204), and the outer end of pin pole (603) is equipped with limit plug (605), and limit plug (605) tip is blocked with the tooth's socket cooperation of limit tooth way (204) and is established.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111046746.2A CN113494087B (en) | 2021-09-08 | 2021-09-08 | Integrated hydraulic pile feeder of static pile press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111046746.2A CN113494087B (en) | 2021-09-08 | 2021-09-08 | Integrated hydraulic pile feeder of static pile press |
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| CN113494087A true CN113494087A (en) | 2021-10-12 |
| CN113494087B CN113494087B (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415221A (en) * | 2022-08-30 | 2022-12-02 | 中国建筑一局(集团)有限公司 | Cutter head cleaning device and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5944452A (en) * | 1998-03-30 | 1999-08-31 | Reinert, Sr.; Gary L. | Heavy duty foundation installation apparatus and method |
| CN2389926Y (en) * | 1999-10-14 | 2000-08-02 | 周本祥 | Hydraulic static pile pressing machine |
| CN211368706U (en) * | 2019-12-11 | 2020-08-28 | 重庆宏工工程机械股份有限公司 | Pile driver |
-
2021
- 2021-09-08 CN CN202111046746.2A patent/CN113494087B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5944452A (en) * | 1998-03-30 | 1999-08-31 | Reinert, Sr.; Gary L. | Heavy duty foundation installation apparatus and method |
| CN2389926Y (en) * | 1999-10-14 | 2000-08-02 | 周本祥 | Hydraulic static pile pressing machine |
| CN211368706U (en) * | 2019-12-11 | 2020-08-28 | 重庆宏工工程机械股份有限公司 | Pile driver |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415221A (en) * | 2022-08-30 | 2022-12-02 | 中国建筑一局(集团)有限公司 | Cutter head cleaning device and using method thereof |
| CN115415221B (en) * | 2022-08-30 | 2024-04-09 | 中建一局集团华南建设有限公司 | Cutterhead cleaning device |
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| CN113494087B (en) | 2021-11-19 |
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