CN115852958A - Double-station multifunctional pile planting all-in-one machine with middle drill rod - Google Patents
Double-station multifunctional pile planting all-in-one machine with middle drill rod Download PDFInfo
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- CN115852958A CN115852958A CN202211436277.XA CN202211436277A CN115852958A CN 115852958 A CN115852958 A CN 115852958A CN 202211436277 A CN202211436277 A CN 202211436277A CN 115852958 A CN115852958 A CN 115852958A
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Abstract
The invention relates to a double-station multifunctional pile planting integrated machine with a middle-arranged drill rod, which comprises an upper rotary platform and a lower travelling mechanism, wherein the upper rotary platform is arranged on the upper part of the upper rotary platform; the middle parts of the upper rotary platform and the lower travelling mechanism are provided with coaxial working holes, and the rotary center of the rotary support is coaxial with the circle centers of the working holes on the upper rotary platform and the lower travelling mechanism; the mast is arranged beside the operation hole of the upper rotary platform, the power head is arranged on the mast, the rotary axis of the power head is positioned beside the axis of the operation hole of the upper rotary platform, and the mast drives the rotary power head to move from a first position to a second position through the rotation of the upper rotary platform. The pile planting integrated machine provided by the invention has a double-station function under the condition that the chassis does not move for the second time, and after the drill rod works, the position of the rotary power head is changed to make the drill rod leave the working surface, so that the pile placing operation of the precast pile is facilitated, and the drilling track of the drill rod and the pile placing track of the precast pile are ensured to be coaxial in height.
Description
Technical Field
The invention relates to the field of construction equipment, in particular to a double-station multifunctional pile planting all-in-one machine with a middle drill rod.
Background
The pile planting is an emerging construction process in recent years, and compared with the traditional pile driving method, the pile planting method has the advantages of no vibration and no noise. However, the current pile planting equipment has the following problems:
1. the pile body is directly planted into the ground by the weight of the pile body or the external pressure without other procedures; the method is very dependent on the pile pressing capability of equipment, and has the problems of low pile planting efficiency and incapability of being suitable for an over-hard soil environment.
2. Firstly, drilling holes and then planting piles; the method is the current mainstream pile planting method, the hardness of the soil is changed by drilling in advance, and then the pile body is planted into the soil by means of the self weight or the external pressure. For the method, the current pile planting equipment drives a drilling tool to drill and stir the soil through a power head in front of the equipment, and then a static pile pressing device on the pile planting equipment is used for implanting a pile body into the soil. Therefore, when the drilling process and the static pressure pile planting process are switched, the pile planting equipment needs to change the station position, so that the axial lead of the drilling tool and the axial lead of the pile body cannot be overlapped, and the subsequent pile body possibly has the problems of uneven stress, inclination of the pile body and the like in the implantation process; moreover, the single static pressure type pile planting method is used, although the hardness of the land is changed, the method still depends on the pile pressing capability of equipment and still has the problem of low pile planting efficiency; and the pile body can generate a soil squeezing effect on the soil body, and when the pile body goes deep into the ground, the soil can prop against the pile body due to the soil squeezing effect, so that the bottom of the pile body cannot be inserted into a specified depth.
Disclosure of Invention
The invention aims to overcome the defects of the existing pile planting equipment, and provides equipment with a constant station and a double-station structure, so that the superposition of the axial lead of a drilling tool and the axial lead of a pile body is ensured, the pile planting efficiency is high, and the soil drilling, stirring and pile planting integrated machine capable of ensuring that the bottom of the pile body reaches the specified depth is provided.
In order to achieve the above object, the present invention is realized by:
a double-station multifunctional pile planting integrated machine with a middle-arranged drill rod comprises a chassis with an upper rotary platform and a lower travelling mechanism; the upper rotary platform and the lower travelling mechanism are provided with coaxial working holes in the middle, the upper rotary platform and the lower travelling mechanism realize a rotary function through a rotary support, and the rotary center of the rotary support and the circle centers of the working holes on the upper rotary platform and the lower travelling mechanism are positioned on the same axis; the side of the operation hole of the upper rotary platform is provided with a mast, a first winch, a steel wire rope component and a rotary power head are arranged on the mast, the rotary power head moves up and down along the mast through the driving of the winch and the steel wire rope component, the rotary axis of the rotary power head is positioned on the side of the axis of the operation hole of the upper rotary platform, and the rotary power head is used for clamping a drilling tool or a precast pile and enables the mast to drive the rotary power head to move from a first position to a second position through the rotation of the upper rotary platform.
According to the pile planting all-in-one machine, the double-station function is achieved under the condition that the chassis does not move secondarily through the design, so that after the drill rod works, the position of the rotary power head is changed, the drill rod is enabled to leave out of a working surface, pile dropping operation of a precast pile is facilitated, and the drilling track of the drill rod is enabled to be coaxial with the pile dropping track of the precast pile.
On the basis, the pile planting integrated machine provided by the invention is characterized in that a crown block is arranged at the top of a mast, and a second winch and a steel wire rope assembly are arranged on an upper rotary platform; the crown block pulls the drill pipe through the second hoist and the wire rope assembly.
On the basis, the pile planting all-in-one machine provided by the invention further comprises a third winch set with a rope doubling system, the third winch set comprises auxiliary winches which are arranged on the upper rotary platform and located on two sides of the mast, the auxiliary winches are connected with the rotary power head through the rope doubling system, and the rotary power head is driven by the third winch set to realize an auxiliary pressurization function.
On the basis, the pile planting integrated machine further comprises a suspension arm, wherein the suspension arm is arranged on the upper rotary platform and is located opposite to the mast, and the suspension arm is used for hoisting precast piles.
On the basis, the pile planting all-in-one machine further comprises hydraulic supporting legs, wherein the hydraulic supporting legs are arranged on the upper rotary platform and used for supporting and lifting the chassis off the ground, so that the steering of the chassis is facilitated, and the whole pile planting all-in-one machine has the advantage of flexibly changing the space occupation.
On the basis, the pile planting all-in-one machine further comprises a waist-shaped hole cover plate, wherein the waist-shaped hole cover plate is arranged on the operation hole of the upper rotary platform, the waist-shaped hole cover plate is used for enabling an operator to stand and to be in a state of aligning the rotary power head or the drill rod and the precast pile through the operation hole, and the waist-shaped hole is used for providing a walking space for the drill rod when the upper rotary chassis rotates.
The pile planting integrated machine provided by the invention realizes the purpose of integrating soil drilling, stirring and pile planting by the following pile planting method:
step 1, automatically walking a chassis to a construction position;
step 4, the rotary power head drives the drill rod to rotate and contacts the soil body through the operation hole to start drilling and stirring operation;
step 5, when the depth of the drill rod reaches a designed position, the first winch and the steel wire rope assembly drive the power head to move upwards along the mast, and at the moment, the rotary power head synchronously drives the drill rod to reversely rotate, so that the drill rod is lifted out of the soil body until the rotary power head reaches an upper stroke end point positioned in the middle of the mast;
step 7, hoisting the precast pile through the suspension arm and vertically inserting the precast pile into the soil body in the step 6;
9, after the drill rod is detached from the rotary power head, the upper rotary platform rotates 180 degrees again, and returns to the first position from the second position;
step 11, starting a rotary power head to drive the precast pile to rotate so as to realize rotary pile pressing operation;
and step 12, starting a third winch set and applying pressure to the rotary power head, wherein the rotary power head still drives the precast pile to rotate at the moment, and the rotary pressing pile operation of auxiliary pressurization is realized.
In the operation method, the upper stroke extreme position of the rotary power head is arranged in the middle of the mast, so that the aim of lowering the gravity center of the whole machine in an operation state is fulfilled, meanwhile, the precast pile is driven to be pressed downwards in a rotating state, after the end part of the precast pile is subjected to drill bit transformation, the soil discharging function is fulfilled, and the aim of enabling the precast pile to reach the specified depth quickly and accurately is fulfilled.
Drawings
Fig. 1 is a schematic structural view of a pile planting machine according to the present invention.
Fig. 2 is a schematic view of the pile driver provided by the invention carrying the drill rod and at one station.
Fig. 3 is a schematic diagram of station switching of the pile planting machine according to the present invention.
Fig. 4 is a schematic diagram of station switching of the pile planting machine according to the present invention.
Fig. 5 is a schematic view of the pile-placing machine of the present invention performing pile-placing operation through the boom.
Fig. 6 is a schematic view of the pile planting machine provided by the invention for performing drill rod dismantling operation at two stations.
Fig. 7 is a schematic view of the pile-planting machine of the present invention returning to a station and performing a pile-driving operation.
Fig. 8 is a top view of the pile-planting machine in a two-station state.
Fig. 9 is a bottom view of the whole pile-planting machine of the present invention in a two-station state.
Fig. 10 is a schematic axial line diagram of the pile driver operation hole and the rotary power head in the state of one station and two stations.
Fig. 11 is a schematic view of the lower traveling mechanism with working hole of the pile planting machine of the present invention.
Fig. 12 is a multi-head crown block which can be used for the pile-planting machine proposed by the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Referring to fig. 1-11, a double-station multifunctional pile planting all-in-one machine with a middle drill rod comprises a chassis with an upper rotary platform 1 and a lower travelling mechanism 2; the middle parts of the upper rotary platform 1 and the lower travelling mechanism 2 are provided with coaxial working holes 3, the upper rotary platform 1 and the lower travelling mechanism 2 realize the rotary function through a rotary support, and the rotary center of the rotary support and the circle center of the working holes 3 arranged on the upper rotary platform 1 and the lower travelling mechanism 2 are positioned on the same axis; the side of the operation hole 3 of the upper rotary platform 1 is provided with a mast 4, the mast 4 is provided with a first winch 5, a steel wire rope component and a rotary power head 6, the rotary power head 6 moves up and down along the mast 4 through the driving of the first winch 5 and the steel wire rope component, the rotary axis of the rotary power head 6 is positioned at the side of the axis of the operation hole 3 of the upper rotary platform 1, the rotary power head 6 is used for clamping a drill rod 7 or a precast pile 8 and rotates through the upper rotary platform 1, so that the mast 4 drives the rotary power head 6 to move from a first position to a second position.
According to the pile planting all-in-one machine, the double-station function is achieved under the condition that the chassis does not move secondarily through the design, so that after the drill rod works, the position of the rotary power head is changed, the drill rod is enabled to leave out of a working surface, pile dropping operation of a precast pile is facilitated, and the drilling track of the drill rod is enabled to be coaxial with the pile dropping track of the precast pile.
On the basis, the pile planting all-in-one machine provided by the invention is characterized in that a crown block 9 is arranged at the top of a mast, and a second winch 10 and a steel wire rope component are arranged on an upper rotary platform 1; the overhead travelling crane 9 pulls the drill pipe 7 through the second hoist 10 and the wire rope assembly.
For the crown block 9, a multi-head crown block can be adopted to hoist and pull a plurality of drill rods 7 so as to meet the drilling requirements of different depths, such as:
as shown in fig. 12, a multi-head rotary crown block with self-stabilizing feature comprises a vertical column, a driving device, a rotary bearing, a guide rail assembly, a traction steel wire rope, a bogie wheel drawn by the traction steel wire rope, and at least two sets of pulleys, a pulley bracket assembly and an auxiliary guide rail set corresponding to the pulley block; the upright post is vertically arranged on the top of the mast, two or more sets of pulleys and pulley bracket assemblies are arranged on the side part of the upright post, the number of traction steel wire ropes is matched with the number of the pulleys and the pulley bracket assemblies and respectively penetrates through each set of pulleys and the pulley bracket assemblies, a driving device is arranged at the bottom of the upright post through a slewing bearing to realize the anti-overturning rotatable function, and the driving device drives the upright post to rotate so that the two sets of pulleys and the pulley bracket assemblies are respectively put into the two sets of pulleys and the pulley bracket assemblies to enable each set of secondary guide rails to be in butt joint with the primary guide rail corresponding to one set of pulley hoisting points; the two sets of pulleys and the pulley support assemblies adopt a plurality of groups of link mechanisms and comprise front supporting structures, rear supporting structures and pull rods, and under the action of the traction steel wire rope, the load borne by the two sets of pulleys and the pulley support assemblies and the self gravity of the two sets of pulleys and the pulley support assemblies are transmitted to the axle center of the vertical shaft, so that the pulleys and the pulley support assemblies do not bear bending moment and realize a two-force balance state.
On the basis, the pile planting all-in-one machine provided by the invention further comprises a third winch set 11 with a rope doubling system, wherein the third winch set 11 comprises auxiliary winches which are arranged on the upper rotary platform 1 and located on two sides of the mast 4, the auxiliary winches are connected with the rotary power head 6 through the rope doubling system, and the rotary power head 6 is driven by the third winch set 11 to realize an auxiliary pressurizing function.
On the basis, the pile planting all-in-one machine further comprises a suspension arm 12, wherein the suspension arm 12 is arranged on the upper rotary platform 1 and is located opposite to the mast 4, and the suspension arm 12 is used for hoisting the precast pile 8.
On the basis, the pile planting all-in-one machine further comprises hydraulic support legs 13, wherein the hydraulic support legs 13 are arranged on the upper rotary platform 1 and used for supporting and lifting the chassis off the ground, so that the steering of the chassis is facilitated, and the whole pile planting all-in-one machine has the advantage of flexibly changing the space occupation.
On the basis, the pile planting all-in-one machine further comprises a waist-shaped hole cover plate 14, the waist-shaped hole cover plate 14 is arranged on the operation hole 3 of the upper rotary platform 1, the waist-shaped hole cover plate 14 is used for enabling an operator to stand and enable the operator to be in a state of facing the rotary power head 6 or the drill rod 7 and the precast pile 8 through the operation hole 3, and the waist-shaped hole is used for providing a walking space for the drill rod 7 when the upper rotary chassis 1 rotates.
The pile planting integrated machine provided by the invention integrally provides driving force through the hydraulic pump station, and carries out field operation through the operation chamber with the control system, wherein the hydraulic pump station and the operation chamber are both arranged on the upper rotary platform, the operation position is positioned on the side of the lifting arm, and the hydraulic pump station is positioned on the side of the mast.
The pile planting integrated machine provided by the invention realizes the purpose of integrating soil drilling, stirring and pile planting by the following pile planting method:
step 1, automatically walking a chassis to a construction position;
step 4, the rotary power head drives the drill rod to rotate and contacts the soil body through the operation hole to start drilling and stirring operation;
step 5, when the depth of the drill rod reaches a designed position, the first winch and the steel wire rope assembly drive the power head to move upwards along the mast, and at the moment, the rotary power head synchronously drives the drill rod to reversely rotate, so that the drill rod is lifted out of the soil body until the rotary power head reaches an upper stroke end point positioned in the middle of the mast;
step 7, hoisting the precast pile through the suspension arm and vertically inserting the precast pile into the soil body in the step 6;
8, starting the self-weight pile lowering operation of the precast pile through the self weight of the precast pile;
9, after the drill rod is detached from the rotary power head, the upper rotary platform rotates 180 degrees again, and returns to the first position from the second position;
step 11, starting a rotary power head to drive the precast pile to rotate so as to realize rotary pile pressing operation;
and step 12, starting a third winch set and applying pressure to the rotary power head, wherein the rotary power head still drives the precast pile to rotate at the moment, and rotary pressing operation of auxiliary pressurization is realized.
In the operation method, the upper stroke extreme position of the rotary power head is arranged in the middle of the mast, so that the aim of lowering the gravity center of the whole machine in an operation state is fulfilled, meanwhile, the precast pile is driven to be pressed downwards in a rotating state, after the end part of the precast pile is subjected to drill bit transformation, the soil discharging function is fulfilled, and the aim of enabling the precast pile to reach the specified depth quickly and accurately is fulfilled.
Claims (7)
1. A double-station multifunctional pile planting all-in-one machine with a middle drill rod is characterized in that: comprises a chassis with an upper rotary platform and a lower travelling mechanism; the upper rotary platform and the lower travelling mechanism realize a rotary function through a rotary support, and the rotary center of the rotary support and the circle centers of the working holes formed in the upper rotary platform and the lower travelling mechanism are positioned on the same axis; the side of the operation hole of the upper rotary platform is provided with a mast, a first winch, a steel wire rope component and a rotary power head are arranged on the mast, the rotary power head moves up and down along the mast through the driving of the winch and the steel wire rope component, the rotary axis of the rotary power head is located on the side of the axis of the operation hole of the upper rotary platform, and the rotary power head is used for clamping a drilling tool or a precast pile and rotates through the upper rotary platform to enable the mast to drive the rotary power head to move from a first position to a second position.
2. The mid-drill-rod double-station multifunctional pile planting all-in-one machine as claimed in claim 1, which is characterized in that: the crane further comprises a crown block, a second winch and a steel wire rope assembly; the top of the mast is provided with a crown block, and a second winch and a steel wire rope assembly are arranged on the upper rotary platform; the crown block pulls the drill pipe through the second hoist and the wire rope assembly.
3. The mid-drill-rod double-station multifunctional pile planting all-in-one machine as claimed in claim 1, which is characterized in that: the auxiliary hoisting machine is connected with the rotary power head through the rope doubling system, and the rotary power head is driven by the third hoisting machine to realize an auxiliary pressurization function.
4. The mid-drill-rod double-station multifunctional pile planting all-in-one machine as claimed in claim 1, which is characterized in that: the lifting device comprises a mast, a rotary platform, a lifting arm and a lifting mechanism, wherein the mast is arranged on the upper rotary platform and is positioned opposite to the upper rotary platform, and the lifting arm is used for lifting a precast pile.
5. The mid-drill-rod double-station multifunctional pile planting all-in-one machine as claimed in claim 1, which is characterized in that: the hydraulic support leg is arranged on the upper rotary platform and used for supporting the chassis and lifting the chassis off the ground.
6. The mid-drill-rod double-station multifunctional pile planting all-in-one machine as claimed in claim 1, which is characterized in that: the drilling rig further comprises a waist-shaped hole cover plate, wherein the waist-shaped hole cover plate is arranged on the operation hole of the upper rotary platform, and the waist-shaped hole cover plate is used for enabling an operator to stand and align the rotary power head or the drill rod or the precast pile through the operation hole.
7. The method for planting the pile by using the double-station multifunctional pile planting all-in-one machine with the middle placed drill rod in the claim 1 is characterized by comprising the following steps: comprises that
Step 1, automatically walking a chassis to a construction position;
step 2, assembling the drill rod and the rotary power head through the cooperation of the rotary power head and the crown block;
step 3, driving the power head to move downwards along the mast through the first winch and the steel wire rope component;
step 4, the rotary power head drives the drill rod to rotate and contacts the soil body through the operation hole to start drilling and stirring operation;
step 5, when the depth of the drill rod reaches a designed position, the first winch and the steel wire rope assembly drive the power head to move upwards along the mast, and at the moment, the rotary power head synchronously drives the drill rod to reversely rotate, so that the drill rod is lifted out of the soil body until the rotary power head reaches an upper stroke end point positioned in the middle of the mast;
step 6, rotating the upper rotary platform 180 degrees, moving the upper rotary platform from the first position to the second position, and yielding out the soil body which is drilled and stirred by the drill rod in the step 4;
step 7, hoisting the precast pile through the suspension arm and vertically inserting the precast pile into the soil body in the step 6;
8, starting the self-weight pile lowering operation of the precast pile through the self weight of the precast pile;
9, after the drill rod is detached from the rotary power head, the upper rotary platform rotates 180 degrees again, and returns to the first position from the second position;
step 10, clamping the rotary power headPrecast pileThe power head is driven by the first winch and the steel wire rope assembly to move downwards along the mast, so that static pile pressing operation depending on external force is realized;
step 11, starting a rotary power head to drive the precast pile to rotate so as to realize rotary pile pressing operation;
and step 12, starting a third winch set and applying pressure to the rotary power head, wherein the rotary power head still drives the precast pile to rotate at the moment, and rotary pressing operation of auxiliary pressurization is realized.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211436277.XA CN115852958A (en) | 2022-11-16 | 2022-11-16 | Double-station multifunctional pile planting all-in-one machine with middle drill rod |
Applications Claiming Priority (1)
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CN202211436277.XA CN115852958A (en) | 2022-11-16 | 2022-11-16 | Double-station multifunctional pile planting all-in-one machine with middle drill rod |
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CN115852958A true CN115852958A (en) | 2023-03-28 |
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CN202211436277.XA Pending CN115852958A (en) | 2022-11-16 | 2022-11-16 | Double-station multifunctional pile planting all-in-one machine with middle drill rod |
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CN (1) | CN115852958A (en) |
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2022
- 2022-11-16 CN CN202211436277.XA patent/CN115852958A/en active Pending
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