CN109930601B - Crawler-type pile planting machine - Google Patents
Crawler-type pile planting machine Download PDFInfo
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- CN109930601B CN109930601B CN201711366191.3A CN201711366191A CN109930601B CN 109930601 B CN109930601 B CN 109930601B CN 201711366191 A CN201711366191 A CN 201711366191A CN 109930601 B CN109930601 B CN 109930601B
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- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 238000010276 construction Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000002513 implantation Methods 0.000 abstract description 6
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 7
- 239000004568 cement Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
A crawler pile planting machine comprises a clamping and pressurizing mechanism comprising an upper frame, a lower clamping mechanism, a slewing mechanism, a fine adjustment mechanism, a lower frame and a vertical jacking cylinder, a crawler travelling mechanism, a hoisting mechanism and a supporting frame; the clamping and pressurizing mechanism is fixedly arranged on the upper bracket of the crawler travelling mechanism; the support frame is fixedly arranged on the protruding part of the upper support; the lifting mechanism is fixedly arranged on the support frame; the upper frame comprises a working platform with a flange inner ring, a plurality of clamping wedges, a clamping ring, an upper underframe and an upper clamping cylinder; the lower clamping mechanism comprises a lower clamping cylinder, an arc-shaped ring and two lower clamping arm frames which are symmetrically arranged; the lower clamping mechanism is positioned below the upper frame and fixedly arranged on the slewing mechanism; the rotating mechanism is positioned on the upper end surface of the fine adjustment mechanism; the fine adjustment mechanism is positioned at the geometric center position above the lower frame; the vertical jacking cylinders are symmetrically arranged between the upper frame and the lower frame; the invention effectively improves the construction precision of the pile implantation, facilitates the butt joint of the pile implantation and reduces the construction cost.
Description
Technical Field
The invention relates to an underground foundation construction machine or an improved machine thereof, in particular to a crawler-type pile planting machine for planting various precast piles into a stratum.
Background
With the promotion of foundation engineering such as urban construction, underground pipe gallery accompanying old city transformation, a novel pile foundation construction method integrating the root pile planting combination of drilling, deep stirring, reaming and prefabricating various pile foundation technologies gradually starts to be applied and popularized, the construction method has the advantages of no vibration, low noise, good pile forming quality, high pile bearing capacity, less mud discharge and the like, effectively overcomes the defects of the current soft soil foundation pile foundation, and has good social benefit and popularization value. In the prior art, a special pile planting method is generally adopted, wherein a drilling machine is arranged on a crawler-type or walking pile frame upright post, a drill rod and a drilling tool are driven to downwards drill and tunnel, high-pressure water or bentonite mixed liquid is injected while drilling, and a hole body formed by pre-drilling is corrected and protected until the drill rod reaches the vicinity of a bearing layer position required by design; after the drilling machine finishes drilling, the prepared cement paste is injected into the bottom of the pre-drilled hole through a grouting pipeline arranged in the inner cavity of the drill rod, the drill rod is lifted up and down to repeatedly stir so as to keep the cement paste at the bottom of the pre-drilled hole uniform, and finally, the drill rod is pulled out completely. The pile-planting construction of various precast piles is generally started after cement slurry is injected for 2 hours, the precast piles are generally planted in holes by hammering and pile pressing, various precast piles are required to be moved to pre-drilled holes by hoisting equipment in the current construction process, pile bodies are positioned by using a positioning detection ruler, the deviation is 30mm, and the perpendicularity of the pile bodies is detected by using two theodolites at 90 degrees, so that various pile bodies are slowly planted. When the pile is spliced in a welding mode, a guide hoop is arranged at the pile head of the implanted pile body so that the pile splicing of the implanted pile body above is convenient to take place, the dislocation error of the upper pile body and the lower pile body after the welding is finished is generally 5-10 mm, and the requirements on the vertical precision and the straightness precision of the implanted pile body are difficult to ensure. In addition, during pile body implantation operation, construction enterprises are provided with large-scale hoisting equipment for hoisting various implanted pile bodies in place, so that construction cost is greatly increased. In addition, in the whole pile planting process of precast piles, constructors are always positioned around the precast holes, the environment is bad, and great hidden danger exists in operation safety.
Disclosure of Invention
The invention aims to provide a crawler-type pile planting machine for soft soil foundation pile foundation treatment, which effectively improves the vertical precision of pile planting, ensures the technical requirements of construction, facilitates the butt joint of pile bodies of the pile planting, reduces the construction cost and improves the operation safety according to the defects in the prior art.
The invention is realized by the following technical scheme:
a crawler-type pile planting machine, comprising: track running gear, hoisting mechanism, support frame and clamp pressing mechanism, wherein:
the clamping and pressurizing mechanism comprises an upper frame, a lower clamping mechanism, a slewing mechanism, a fine tuning mechanism, a lower frame, a vertical jacking cylinder, a hydraulic system and an electric welding machine bin, wherein: the upper frame comprises a working platform with a flange inner ring and a fixed sleeve, a plurality of clamping wedges, a clamping ring, an upper underframe with a sleeve, an upper clamping cylinder and a connecting plate; the lower clamping mechanism comprises a lower clamping cylinder, an arc-shaped ring, two lower clamping arm frames and a blocking block, wherein the two lower clamping arm frames and the blocking block are symmetrically arranged; the rotary mechanism comprises a rotary table and two groups of rotary oil cylinders positioned at the outer side of the rotary table; the fine adjustment mechanism comprises a transverse fine adjustment cylinder, a longitudinal fine adjustment cylinder and a fine adjustment frame; the lower frame is a bottom support body with a bottom through hole;
the crawler travelling mechanism comprises an upper bracket and a longitudinal travelling crawler;
the lifting mechanism comprises a suspension arm and a jacking cylinder;
the method is characterized in that:
the upper support of the crawler belt travelling mechanism is a rectangular frame structure body with one end provided with a protruding part protruding out of one side of the longitudinal crawler belt travelling mechanism; the longitudinal walking tracks are hydraulically driven and are positioned at the front side and the rear side below the upper bracket; the support frame is fixedly arranged on the protruding part of the upper bracket; the lifting mechanism is fixedly arranged on the upper end face of the support frame, one end of the lifting oil cylinder is hinged with the suspension arm, and the other end of the lifting oil cylinder is hinged on the support frame; the clamping and pressurizing mechanism is fixedly arranged at the geometric center of the upper bracket of the crawler traveling mechanism through the lower frame;
the upper frame of the clamping and pressurizing mechanism is a cavity type structure body, the upper end of the upper frame is a working platform, the geometric center of the working platform is provided with a through hole, and the flange inner ring is positioned in the through hole; the fixed sleeves are symmetrically arranged along the geometric center of the working platform and are positioned at four corners of the lower end of the fixed sleeves, and upper hinging seats are arranged in the fixed sleeves; the upper chassis is provided with a lower through hole in the geometric center, the sleeves are symmetrically arranged along the geometric center of the upper chassis and at four corners of the upper end of the upper chassis, and the sleeves are respectively provided with a lower hinging seat therein and are respectively sleeved in the holes of the four fixing sleeves in an up-down movable mode; the upper clamping oil cylinders are respectively arranged in the inner cavities formed by the inner walls of the fixed sleeve and the sleeve, and the cylinder ends and the piston rod ends of the upper clamping oil cylinders are respectively connected with the upper hinging seat and the lower hinging seat; the clamping rings are fixedly arranged at through holes in the geometric center of the upper underframe, and dovetail grooves corresponding to the clamping wedges are formed in the inner wall of the clamping rings; the clamping wedges are respectively arranged in dovetail grooves on the inner wall of the clamping ring through back inclined planes of the clamping wedges, the upper ends of the clamping wedges are respectively hinged with one end of a connecting plate through a pin shaft, and the other ends of the connecting plates are respectively hinged with the upper end part of the inner wall of the flange inner ring through pin shafts; the clamping ring moves downwards or upwards through the expansion or contraction action of the upper clamping oil cylinder, so that the clamping wedge blocks are driven to loosen or clamp the implanted pile body;
the lower clamping mechanism of the clamping pressurizing mechanism is positioned below the upper frame and fixedly arranged on the upper end surface of the rotary table; the two lower clamping arm frames are of arc-shaped arm structures, one ends of the two lower clamping arm frames are respectively connected with two ends of the arc-shaped ring through pin shafts, the two ends of the two lower clamping arm frames are positioned in the notch of the blocking block at the front side and the rear side outside the center hole of the rotary table, and the other ends of the two lower clamping arm frames are positioned at the upper and lower opposite positions on the right side of the center of the rotary table and are hinged with the cylinder barrel end and the piston rod end of the lower clamping oil cylinder through pin shafts respectively; the blocking blocks are arranged on the upper end surfaces of the rotary tables at the outer sides of the two lower clamping arm frames; thus, when the lower clamping oil cylinder stretches or contracts, the two lower clamping arm frames stretch or contract, so that the pile body of the implanted pile is loosened or clamped;
the rotary mechanism of the clamping and pressurizing mechanism is positioned on the upper end face of the fine adjustment mechanism, the left end and the right end of the outer end of the rotary table are protruded, the middle is a circle part, the two groups of rotary cylinders are arranged on the left side and the right side of the rotary table along the longitudinal direction of the lower frame, one ends of the two groups of rotary cylinders are respectively hinged to one end of the outer end of the rotary table, and the other ends of the two groups of rotary cylinders are respectively fixedly arranged at the mounting position of the upper end face of the fine adjustment frame of the fine adjustment mechanism through a support, so that the rotary mechanism is pushed or pulled by the simultaneous extension or contraction of the two groups of rotary cylinders, and the rotary cylinders revolve around the geometric center of the fine adjustment frame by a certain angle;
the bottom through hole of the lower frame of the clamping and pressurizing mechanism is positioned at the geometric center of the lower frame;
the fine adjustment mechanism of the clamping and pressurizing mechanism is arranged above the lower frame and is provided with a fine adjustment frame with an inner cavity box-shaped structure, the fine adjustment frame is arranged at the geometric center of the lower frame, an inner round hole which is communicated with the bottom through hole is arranged at the center of the fine adjustment frame, and the bottom through hole of the lower frame is arranged at the geometric center; the transverse fine tuning cylinders are symmetrically arranged in the cavities at the front side and the rear side of the fine tuning machine frame, one ends of the transverse fine tuning cylinders are respectively hinged with the lower machine frame through the connecting fork, and the other ends of the transverse fine tuning cylinders are respectively hinged with the fine tuning machine frame through the connecting fork; the longitudinal fine tuning cylinders are symmetrically arranged in the inner cavities at the left side and the right side of the fine tuning frame, one ends of the longitudinal fine tuning cylinders are respectively hinged with the lower frame through the connecting fork, and the other ends of the longitudinal fine tuning cylinders are respectively hinged with the fine tuning frame through the connecting fork; thus, the fine adjustment mechanism can be finely adjusted in the center positions of the inner circular holes in the transverse direction and the longitudinal direction through the telescopic actions of the two transverse fine adjustment cylinders and the two longitudinal fine adjustment cylinders;
the four groups of vertical jacking cylinders of the clamping and pressurizing mechanism are symmetrically arranged at four corners between the lower end face of the upper underframe of the upper rack and the upper end face of the fine-tuning rack; the cylinder ends of the vertical jacking cylinders are respectively fixedly arranged on the lower end face of the upper chassis, and the piston rod ends of the vertical jacking cylinders are respectively connected with the upper end face of the fine adjustment frame in a spherical hinge mode, so that the downward movement of the upper frame can be realized when the four groups of vertical jacking cylinders shrink simultaneously;
the hydraulic system is positioned at one side of the lower frame and is used for respectively conveying hydraulic oil to each working hydraulic cylinder through a hydraulic pump station, a flow collecting valve, a hydraulic lock, a safety valve and a hydraulic pipeline so as to meet each operation program of the crawler travelling mechanism, the lifting mechanism and the clamping and pressurizing mechanism;
the electric welding machine bin is positioned at the other side of the lower frame, is provided with a gas storage bottle, a wire feeding device and an automatic welding machine protected by carbon dioxide gas, and can weld and lengthen between pile bodies of various implanted steel pipe piles, thereby meeting the length requirement of pile implantation.
According to the invention, the inclined plane angle of the back of the clamping wedge block and the inclined plane angle of each dovetail groove on the inner wall of the clamping ring are equal, and are alpha, wherein alpha=5-10 degrees.
The invention can also be that the number of the dovetail grooves on the inner wall of the clamping ring is 3, 4 or 6, and the number of the clamping wedges is 3, 4 or 6 corresponding to the number of the clamping wedges.
The invention can also be that the front surface of the clamping wedge block is provided with a cushion block so as to adapt to pile planting construction of various different pile diameters.
The invention can also be that the fine adjustment travel of the fine adjustment machine frame of the fine adjustment mechanism is 0-150 mm in the longitudinal and transverse directions and the front and back and/or left and right fine adjustment travel of the center position of the inner circular hole.
Drawings
The crawler-type pile planting machine of the invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic view of a crawler pile planter according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a clamping and pressurizing mechanism in the crawler pile planting machine according to the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a bottom view of FIG. 3;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 7 is an enlarged view of part C of FIG. 3;
fig. 8 is a partial enlarged view of the D portion of fig. 3.
Detailed Description
As shown in fig. 1-8, a crawler-type pile planting machine includes: crawler travel mechanism 110, lifting mechanism 120, support 130, and clamp pressurization mechanism 100; wherein: the clamping and pressurizing mechanism 100 comprises an upper frame 1, a lower clamping mechanism 2, a slewing mechanism 3, a fine adjustment mechanism 52, a lower frame 8, a vertical jacking cylinder 4, a hydraulic system 6 and an electric welding machine bin 7, wherein: the upper frame 1 comprises a working platform 11 with a flange inner ring 112 and a fixed sleeve 116, a plurality of clamping wedges 15, a clamping ring 12, an upper underframe 13 with a sleeve 161, an upper clamping cylinder 16 and a connecting plate 17; the lower clamping mechanism 2 comprises a lower clamping cylinder 21, an arc-shaped ring 23, two lower clamping arm supports 22, 22' and a blocking block 24 which are symmetrically arranged; the slewing mechanism 3 comprises a slewing table 32 and two groups of slewing cylinders 31, 31' positioned outside the slewing table; the fine adjustment mechanism 52 includes lateral fine adjustment cylinders 521, 521', longitudinal fine adjustment cylinders 522, 522', and a fine adjustment frame 523; the lower frame 8 is a bottom support body having a bottom through hole 85; crawler travel mechanism 110 includes an upper bracket 1101 and a longitudinal travel crawler 1102; the lifting mechanism 120 comprises a suspension arm 1201 and a lifting cylinder 1202; wherein:
the upper bracket 1101 of the crawler belt running mechanism 110 is a rectangular frame structure having a protruding portion 11011 protruding from one side of the longitudinal crawler belt 1102; the longitudinal walking tracks 1102 are hydraulically driven and are positioned on the front side and the rear side below the upper bracket 1101; the support 130 is fixedly mounted to the protruding portion 11011 of the upper bracket 1101; the lifting mechanism 120 is fixedly arranged on the upper end surface of the supporting frame 130, one end of the lifting cylinder 1202 is hinged with the suspension arm 1201, and the other end of the lifting cylinder 1202 is hinged on the supporting frame 130; the clamping and pressurizing mechanism 100 is fixedly arranged at the geometric center of an upper bracket 1101 of the crawler traveling mechanism 110 through a lower frame 8 thereof;
the upper frame 1 of the clamping and pressurizing mechanism 100 is a cavity type structure body, the upper end of the upper frame is a working platform 11, the geometric center of the working platform 11 is provided with a through hole, and the flange inner ring 112 is positioned in the through hole; the fixed sleeve 116 is symmetrically arranged along the geometric center of the working platform 11 and is positioned at four corners of the lower end of the fixed sleeve, and the fixed sleeve 116 is internally provided with an upper hinging seat 162; the geometric center of the upper underframe 13 is provided with a lower through hole, the sleeves 161 are symmetrically arranged along the geometric center of the upper underframe 13 and at four corners of the upper end, and the sleeves 161 are respectively provided with a lower hinging seat 163 therein and are respectively sleeved in the holes of the four fixing sleeves 116 in an up-down movable mode; the upper clamping cylinder 16 has four groups, which are respectively arranged in the inner cavities formed by the inner walls of the fixed sleeve 116 and the sleeve 161, and the cylinder end and the piston rod end of the upper clamping cylinder are respectively connected with the upper hinging seat 162 and the lower hinging seat 163; the clamping wedges 15 are long strips with inclination at the back, are uniformly arranged along the circumferential direction of the flange inner ring 112, the clamping ring 12 is fixedly arranged at a through hole positioned at the geometric center of the upper underframe 13, and dovetail grooves 121 corresponding to the clamping wedges 15 are arranged on the inner wall of the clamping ring; the clamping wedges 15 are respectively arranged in dovetail grooves 121 on the inner wall of the clamping ring 12 through back inclined planes thereof, the upper ends of the clamping wedges are respectively hinged with one end of a connecting plate 17 through pin shafts, and the other ends of the connecting plates 17 are respectively hinged with the upper end parts of the inner wall of the flange inner ring 112 through pin shafts; the inclined plane angle of the back of the clamping wedge 15 is equal to the inclined plane angle of each dovetail groove 121 on the inner wall of the clamping ring 12, and is alpha, wherein alpha=5-10 degrees, 3, 4 or 6 dovetail grooves 121 on the inner wall of the clamping ring 12 can be arranged, and the clamping wedge 15 is also arranged to be 3, 4 or 6 corresponding to the same; in this way, the clamping ring 12 can move downwards or upwards through the expansion or contraction action of the upper clamping cylinder 16, so that the plurality of clamping wedges 15 are driven to loosen or clamp the pile body of the implanted pile; the front surface of the clamping wedge 15 is provided with a cushion block 153 so as to adapt to pile planting construction of various pile diameters;
the lower clamping mechanism 2 of the clamping and pressurizing mechanism 100 is positioned below the upper frame 1 and fixedly arranged on the upper end surface of the rotary table 32 below the upper frame; the lower clamping arm frames 22 and 22' are provided with arc-shaped arm structures, one ends of the lower clamping arm frames are respectively connected with two ends of the arc-shaped ring 23 through pin shafts, are positioned at the front side and the rear side outside the central hole of the rotary table 32, and are positioned in the notch of the blocking block 24; the lower clamping cylinder 21 is positioned on the right side of the center of the rotary table 32, and the cylinder end and the piston rod end of the lower clamping cylinder are respectively hinged with the other ends of the two lower clamping arm frames 22 and 22'; the blocking block 24 is fixedly arranged on the upper end surfaces of the rotary tables 32 outside the two lower clamping arm frames 22 and 22'; in this way, when the lower clamping cylinder 21 is extended or contracted, the two lower clamping arms 22, 22' are opened or contracted, so that the pile body of the implanted pile is loosened or clamped;
the revolving mechanism 3 of the clamping and pressurizing mechanism 100 is located at the upper end face of the fine adjustment mechanism 52, the left and right ends of the outer end portions 322, 322 'of the revolving platform 32 are protruded, the middle is a circle portion 321, the two groups of revolving cylinders 31, 31' are arranged at the left and right sides of the revolving platform 32 along the longitudinal direction of the lower frame 8, one ends of the two groups of revolving cylinders are respectively hinged to one ends of the outer end portions 322, 322 'of the revolving platform 32, and the other ends of the two groups of revolving cylinders are respectively fixed at the installation position of the upper end face of the fine adjustment frame 523 of the fine adjustment mechanism 52 through supports, so that the revolving mechanism 3 is pushed or pulled to revolve around the geometric center of the fine adjustment frame 523 by the two groups of revolving cylinders 31, 31' stretching or contracting simultaneously;
the bottom through hole 85 of the lower frame 8 of the clamping and pressurizing mechanism 100 is positioned at the geometric center of the lower frame 8;
the fine adjustment mechanism 52 of the clamping and pressurizing mechanism 100 is positioned above the lower frame 8, and is provided with a fine adjustment frame 523 with an inner cavity box-shaped structure, wherein the fine adjustment frame 523 is positioned at the geometric center of the lower frame 8, an inner circular hole 524 which is communicated with the bottom through hole 85 of the lower frame 8 is arranged at the center of the fine adjustment frame 523, and the bottom through hole 85 of the lower frame 8 is positioned at the geometric center; the lateral fine tuning cylinders 521, 521' are symmetrically arranged in the front and rear side cavities of the fine tuning frame 523, one ends of the lateral fine tuning cylinders are respectively hinged with the lower frame 8 through the fork, and the other ends of the lateral fine tuning cylinders are respectively hinged with the fine tuning frame 523 through the fork; the longitudinal fine tuning cylinders 522, 522' are symmetrically arranged in the inner cavities at the left side and the right side of the fine tuning frame 523, one ends of the longitudinal fine tuning cylinders are respectively hinged with the lower frame 8 through the connecting fork, and the other ends of the longitudinal fine tuning cylinders are respectively hinged with the fine tuning frame 523 through the connecting fork; thus, the fine adjustment mechanism 52 can be finely adjusted in the center position of the inner circular hole 524 in the transverse and longitudinal directions through the telescopic actions of the two transverse fine adjustment cylinders 521, 521 'and the two longitudinal fine adjustment cylinders 522, 522'; the fine adjustment travel of the fine adjustment frame 523 of the fine adjustment mechanism 52 is 0-150 mm in the longitudinal and transverse directions and the front and back and/or left and right fine adjustment travel of the center position of the inner circular hole 524; the pile planting positioning accuracy is guaranteed, the construction precision is effectively improved, and the construction quality is guaranteed.
The four groups of vertical jacking cylinders 4 of the clamping and pressurizing mechanism 100 are symmetrically arranged at four corners between the lower end face of the upper underframe 13 of the upper frame 1 and the upper end face of the fine-tuning frame 523 of the lower frame 5; the cylinder ends of the vertical jacking cylinders 4 are respectively fixedly arranged on the lower end face of the upper chassis 13, and the piston rod ends of the vertical jacking cylinders 4 are respectively connected with the upper end face of the fine-tuning frame 523 in a spherical hinge mode, so that the upper frame 1 moves downwards when the four groups of vertical jacking cylinders 4 shrink simultaneously, the pile body of an implanted pile is favorably pressed into a pre-drilled hole, the purpose of pressurized pile implantation is realized, the technical requirement of pile implantation is met, and the construction quality is ensured;
the hydraulic system 6 is positioned at one side of the lower frame 8, and respectively transmits hydraulic oil to each working hydraulic cylinder through a hydraulic pump station, a flow collecting valve, a hydraulic lock, a safety valve and a hydraulic pipeline so as to meet each operation program of the crawler traveling mechanism 110, the lifting mechanism 120 and the clamping mechanism 100;
the electric welding machine bin 7 is positioned on the other side of the lower frame 8, is provided with a gas storage bottle, a wire feeding device and an automatic carbon dioxide protection welding machine, and can weld and lengthen between pile bodies of various implanted steel pipe piles to meet the length requirement of pile planting. When the pile splicing of the steel pipe pile is carried out, the lower clamping mechanism is used for clamping the pile body of the lower connecting steel pipe pile so as to prevent the pile body from sliding downwards under the action of gravity, and the pile end of the lower connecting steel pipe pile is exposed on the working platform of the upper frame; the steel pipe pile is slowly hoisted above the pile head of the lower steel pipe pile by the operation hoisting mechanism, in order to ensure the straightness of pile splicing of the upper steel pipe pile body and the lower steel pipe pile body, a guide sleeve is sleeved at the pile end of the lower steel pipe pile for accurate positioning, the upper steel pipe pile is positioned in the guide sleeve at the moment, an operator can weld the pile body of the steel pipe pile by utilizing a gas cylinder in a gas welding machine bin, a wire feeder and an automatic carbon dioxide protection welding machine on a working platform 11 of an upper frame 1, the length requirement of a pile is met, the splicing error of the upper steel pipe pile body and the lower steel pipe pile body can be controlled below 1.5mm, the pile quality of the pile implanted pile body is effectively ensured to reach the design requirement, and the operation safety is effectively improved.
Claims (5)
1. A crawler-type pile planting machine, comprising: track running gear (110), hoist mechanism (120), support frame (130) and clamp pressurization mechanism (100), wherein:
the clamping and pressurizing mechanism (100) comprises an upper frame (1), a lower clamping mechanism (2), a rotating mechanism (3), a fine adjusting mechanism (52), a lower frame (8), a vertical jacking oil cylinder (4), a hydraulic system (6) and an electric welding machine bin (7), wherein: the upper frame (1) comprises a working platform (11) with a flange inner ring (112) and a fixed sleeve (116), a plurality of clamping wedges (15), a clamping ring (12), an upper underframe (13) with a sleeve (161), an upper clamping cylinder (16) and a connecting plate (17); the lower clamping mechanism (2) comprises a lower clamping cylinder (21), an arc-shaped ring (23), two lower clamping arm frames (22, 22') which are symmetrically arranged and a blocking block (24); the rotary mechanism (3) comprises a rotary table (32) and two groups of rotary oil cylinders (31, 31') positioned outside the rotary table; the fine adjustment mechanism (52) comprises a transverse fine adjustment cylinder (521, 521 '), a longitudinal fine adjustment cylinder (522, 522') and a fine adjustment frame (523); the lower frame (8) is a bottom support body with a bottom through hole (85);
the crawler traveling mechanism (110) comprises an upper bracket (1101) and a longitudinal traveling crawler (1102);
the lifting mechanism (120) comprises a suspension arm (1201) and a lifting cylinder (1202);
the method is characterized in that:
the upper bracket (1101) of the crawler travel mechanism (110) is a rectangular frame structure body with one end provided with a protruding part (11011) protruding out of one side of the longitudinal travel crawler (1102); the longitudinal walking tracks (1102) are hydraulically driven and are positioned on the front side and the rear side below the upper bracket (1101); the supporting frame (130) is fixedly arranged on a protruding part (11011) of the upper bracket (1101); the lifting mechanism (120) is fixedly arranged on the upper end face of the supporting frame (130), one end of the lifting cylinder (1202) is hinged with the suspension arm (1201), and the other end of the lifting cylinder is hinged on the supporting frame (130); the clamping and pressurizing mechanism (100) is fixedly arranged at the geometric center of an upper bracket (1101) of the crawler traveling mechanism (110) through a lower frame (8) thereof;
the upper frame (1) of the clamping and pressurizing mechanism (100) is a cavity type structure, the upper end of the upper frame is provided with a working platform (11), the geometric center of the working platform (11) is provided with a through hole, and the flange inner ring (112) is positioned in the through hole; the fixing sleeves (116) are symmetrically arranged along the geometric center of the working platform (11) and are positioned at four corners of the lower end of the working platform, and upper hinging seats (162) are arranged in the fixing sleeves (116); the geometric center of the upper underframe (13) is provided with a lower through hole, the sleeves (161) are symmetrically arranged along the geometric center of the upper underframe (13) and at four corners at the upper end of the sleeve, and the sleeves (161) are respectively provided with a lower hinging seat (163) therein and are respectively sleeved in the holes of the four fixed sleeves (116) in an up-down movable mode; the upper clamping cylinder (16) is provided with four groups which are respectively arranged in the inner cavities formed by the inner walls of the fixed sleeve (116) and the sleeve (161), and the cylinder barrel end and the piston rod end of the upper clamping cylinder are respectively connected with the upper hinging seat (162) and the lower hinging seat (163); the clamping wedges (15) are long-strip-shaped bodies with inclination at the back parts, the clamping wedges are uniformly distributed along the circumferential direction of the flange inner ring (112), the clamping ring (12) is fixedly arranged at a through hole positioned at the geometric center of the upper underframe (13), and dovetail grooves (121) corresponding to the clamping wedges (15) are arranged on the inner walls of the clamping wedges; the clamping wedges (15) are respectively arranged in dovetail grooves (121) on the inner wall of the clamping ring (12) through back inclined planes of the clamping wedges, the upper ends of the clamping wedges are respectively hinged with one end of the connecting plate (17) through pin shafts, and the other ends of the connecting plate (17) are respectively hinged with the upper end parts of the inner wall of the flange inner ring (112) through pin shafts; in this way, the clamping ring (12) can move downwards or upwards through the expansion or contraction action of the upper clamping oil cylinder (16), so that the plurality of clamping wedges (15) are driven to loosen or clamp the pile body of the implanted pile;
the lower clamping mechanism (2) of the clamping pressurizing mechanism (100) is positioned below the upper frame (1) and fixedly arranged on the upper end surface of the rotary table (32); the two lower clamping arm frames (22, 22') are provided with arc-shaped arm structures, one ends of the two lower clamping arm frames are respectively connected with two ends of the arc-shaped ring (23) through pin shafts, the two ends of the two lower clamping arm frames are positioned in the notch of the blocking block (24) at the front side and the rear side outside the central hole of the rotary table (32), and the other ends of the two lower clamping arm frames are positioned at the upper and lower opposite positions at the right side of the center of the rotary table (32) and are respectively hinged with the cylinder barrel end and the piston rod end of the lower clamping oil cylinder (21) through pin shafts; the blocking blocks (24) are arranged on the upper end surfaces of the rotary tables (32) outside the two lower clamping arm frames (22, 22'); in this way, when the lower clamping cylinder (21) stretches or contracts, the two lower clamping arms (22, 22') are opened or contracted, so that the pile body of the implanted pile is loosened or clamped;
the rotary mechanism (3) of the clamping and pressurizing mechanism (100) is positioned on the upper end face of the fine adjustment mechanism (52), the left end and the right end of the rotary table (32) are protruding outer end parts (322, 322 '), the middle is a circle part (321), the two groups of rotary cylinders (31, 31') are arranged on the left side and the right side of the rotary table (32) along the longitudinal direction of the lower frame (8), one ends of the rotary cylinders are respectively hinged to one end of the outer end parts (322, 322 ') of the rotary table (32), and the other ends of the rotary cylinders are respectively fixedly arranged on the mounting position of the upper end face of the fine adjustment frame (523) of the fine adjustment mechanism (52) through supports and are in a horizontal shape, so that the rotary mechanism (3) is pushed or pulled by the simultaneous extension or contraction of the two groups of rotary cylinders (31, 31') so as to rotate around the geometric center of the fine adjustment frame (523) by a certain angle;
the bottom through hole (85) of the lower frame (8) of the clamping and pressurizing mechanism (100) is positioned at the geometric center position of the lower frame (8);
the fine adjustment mechanism (52) of the clamping and pressurizing mechanism (100) is positioned above the lower frame (8) and is provided with a fine adjustment frame (523) with an inner cavity box-shaped structure, the center of the fine adjustment frame (523) is provided with an inner circular hole (524) communicated with a bottom through hole (85) of the lower frame (8), and open cavities are arranged in the front and back or left and right directions of the fine adjustment frame; the transverse fine tuning cylinders (521, 521') are symmetrically arranged in the front and rear side cavities of the fine tuning frame (523), one ends of the transverse fine tuning cylinders are respectively hinged with the lower frame (8) through the forks, and the other ends of the transverse fine tuning cylinders are respectively hinged with the fine tuning frame (523) through the forks; the longitudinal fine tuning cylinders (522, 522') are symmetrically arranged in the inner cavities at the left side and the right side of the fine tuning frame (523), one ends of the longitudinal fine tuning cylinders are respectively hinged with the lower frame (8) through the connecting fork, and the other ends of the longitudinal fine tuning cylinders are respectively hinged with the fine tuning frame (523) through the connecting fork; thus, the fine adjustment of the fine adjustment mechanism (52) and the fine adjustment of the center position of the inner circular hole (524) in the transverse and longitudinal directions can be realized through the telescopic actions of the two transverse fine adjustment cylinders (521, 521 ') and the two longitudinal fine adjustment cylinders (522, 522');
four groups of vertical jacking cylinders (4) of the clamping and pressurizing mechanism (100) are symmetrically arranged at four corners between the lower end face of the upper underframe (13) of the upper frame (1) and the upper end face of the fine-tuning frame (523); the cylinder ends of the vertical jacking cylinders (4) are respectively fixedly arranged on the lower end face of the upper chassis (13), and the piston rod ends of the vertical jacking cylinders (4) are respectively connected with the upper end face of the fine-tuning frame (523) in a spherical hinge mode, so that the downward movement of the upper frame (1) can be realized when the four groups of vertical jacking cylinders (4) shrink simultaneously;
the hydraulic system (6) is positioned at one side of the lower frame (8) and respectively transmits hydraulic oil to each working hydraulic cylinder through a hydraulic pump station, a flow collecting valve, a hydraulic lock, a safety valve and a hydraulic pipeline so as to meet each working program of the crawler travelling mechanism (110), the lifting mechanism (120) and the clamping pressurizing mechanism (100);
the electric welding machine bin (7) is positioned at the other side of the lower frame (8), is provided with a gas storage bottle, a wire feeding device and an automatic carbon dioxide gas protection welding machine, and can weld and lengthen between pile bodies of various implanted steel pipe piles, thereby meeting the length requirement of pile planting.
2. Crawler pile-planting machine according to claim 1, characterized in that the angle of the inclined surface of the back of the clamping wedge (15) and the angle of the inclined surface of each dovetail groove (121) on the inner wall of the clamping ring (12) are equal, α, α=5-10 °.
3. Crawler pile planting machine according to claim 1, characterized in that the number of dovetail grooves (121) on the inner wall of the clamping ring (12) is 3, 4 or 6, and the number of clamping wedges (15) is likewise 3, 4 or 6 corresponding thereto.
4. Crawler-type pile planting machine according to claim 1, characterized in that the front face of the clamping wedge block (15) is provided with a cushion block (153) so as to adapt to pile planting construction of various pile diameters.
5. The crawler pile planting machine according to claim 1, wherein the fine adjustment travel of the fine adjustment frame (523) of the fine adjustment mechanism (52) in the longitudinal and transverse directions and the center position of the inner circular hole (524) is 0-150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366191.3A CN109930601B (en) | 2017-12-18 | 2017-12-18 | Crawler-type pile planting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366191.3A CN109930601B (en) | 2017-12-18 | 2017-12-18 | Crawler-type pile planting machine |
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| CN109930601A CN109930601A (en) | 2019-06-25 |
| CN109930601B true CN109930601B (en) | 2024-02-20 |
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| CN111894453B (en) * | 2020-08-06 | 2022-06-03 | 杨凌职业技术学院 | Piling equipment for building construction |
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| KR20010113587A (en) * | 2001-11-13 | 2001-12-28 | 조경연 | A large-caliber excavator for excavating ground |
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| CN208039252U (en) * | 2017-12-18 | 2018-11-02 | 上海工程机械厂有限公司 | A kind of crawler type pile-grafting machine |
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|---|---|---|---|---|
| JP2003020647A (en) * | 2001-07-05 | 2003-01-24 | Nippon Steel Corp | Rotary pile penetrating device |
| KR20010113587A (en) * | 2001-11-13 | 2001-12-28 | 조경연 | A large-caliber excavator for excavating ground |
| KR100981708B1 (en) * | 2010-03-29 | 2010-09-10 | (주) 세경토건 | Self piling method of low noise and zero vibration using rotationg and pushing piling machine |
| WO2014205601A1 (en) * | 2013-06-26 | 2014-12-31 | Yang Yinan | Rotary excavating bucket drill |
| CN206256445U (en) * | 2016-10-27 | 2017-06-16 | 上海工程机械厂有限公司 | A kind of static-pressure pile planting machine |
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