CN113073630A - Construction method and device of plug-in type vibroflotation gravel pile machine - Google Patents
Construction method and device of plug-in type vibroflotation gravel pile machine Download PDFInfo
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- CN113073630A CN113073630A CN202110467329.9A CN202110467329A CN113073630A CN 113073630 A CN113073630 A CN 113073630A CN 202110467329 A CN202110467329 A CN 202110467329A CN 113073630 A CN113073630 A CN 113073630A
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000004575 stone Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 241001023788 Cyttus traversi Species 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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Abstract
The invention relates to a construction method and a device of a plug-in type vibroflotation gravel pile machine, which relate to the technical field of vibroflotation, and comprise a pile machine frame, vibroflotation equipment and a driving mechanism for driving the vibroflotation equipment, wherein the vibroflotation equipment comprises a vibroflotation device and a guide rod, the guide rod comprises a guide rod body and at least 1 guide rod extension section, a guide rod frame and a mechanical arm for taking out the guide rod extension section on the guide rod frame and mounting the guide rod extension section on the guide rod body are mounted on the pile machine frame, and the guide rod extension section is connected with the guide rod body. The construction method comprises the following steps: selecting a pile making position, starting the vibroflotation equipment to start pore forming, taking out the guide rod extension section from the guide rod frame and connecting the guide rod extension section with the guide rod body by the manipulator when the guide rod body reaches a set position, taking out a new guide rod extension section by the manipulator again and installing the new guide rod extension section on the vibroflotation device to continue pore forming when the guide rod extension section on the vibroflotation device reaches the set position, and repeating the steps until the design depth is reached. The invention has the advantages of small occupied area, low cost and high pore-forming efficiency.
Description
Technical Field
The invention relates to a construction method and a device of a plug-in type vibroflotation gravel pile machine, and belongs to the technical field of vibroflotation.
Background
In the soft soil foundation reinforcement treatment project, the vibro-replacement gravel pile process is widely applied by the advantages of outstanding construction quality effect, simple construction process, low construction cost, wide sources of filling materials and the like. In earthquake-prone areas, the vibro-replacement gravel pile reinforcement technology becomes the technology preferred by designers due to the fact that liquefaction resistance is achieved, and the formed composite foundation has outstanding earthquake-resistant performance. In essence, the vibroflotation process uses water under high pressure in sand, gravel, and upper layers, and sometimes has to be replaced by adding pebbles or gravel, so the pores are always in a slurry state. Under the condition of shallow vibration and impact within 20 meters, the engineering purpose can be achieved by using a single guide rod (hanging pipe); for the deep vibroflotation of 30 to 40 meters, large equipment is used, and a single lengthened guide rod can also achieve the purpose of engineering, but the engineering cost is greatly increased; when the hole depth is more than 50 meters, if a single guide rod is continuously used, not only is the engineering cost difficult to bear, but also the potential safety hazard is increased sharply, and the vibroflotation technology cannot be continued.
At present, the vibroflotation construction exceeding 40 meters in depth basically adopts a telescopic guide rod so as to carry out vibroflotation and stone breaking operation on the stratum exceeding 40 meters in depth. However, since the telescopic guide rod is composed of a plurality of sections of guide rods and works in an environment where gravel, sand and slurry are mixed and in a state where a large-sized vibrating device is connected to the lower part, once the slurry and the gravel in the slurry enter the gap between the inner and outer guide rods and the telescopic guide rod is clamped, the vibroflot is buried in the hole, so that the vibroflot construction fails and great loss is caused.
Disclosure of Invention
Aiming at the problems, the invention provides a construction method and a device of a plug-in type vibroflotation gravel pile machine, which can start a multi-wheel milling and hole-forming machine to perform auxiliary hole-forming under the geological conditions of multiple rocks and large rocks, and solve the problems of difficult hole-forming and low construction efficiency, and the technical scheme is as follows:
the utility model provides a plug-in type shakes towards rubble stake machine device, includes stake machine frame, is used for shaking towards the rubble shake towards equipment, is used for the drive to shake towards the actuating mechanism of equipment, actuating mechanism installs in stake machine frame, actuating mechanism shakes towards equipment up-and-down motion through the wire rope drive, shake towards equipment including shaking towards ware, guide arm, the guide arm is including being used for with shake towards the guide arm body that the ware is connected, be no less than 1 guide arm extension section, install in the stake machine frame and be used for placing the guide arm extension section the guide arm frame, be used for taking out the guide arm extension section on the guide arm frame and install the manipulator on the guide arm body, guide arm extension section and guide arm body coupling.
Further, when the number of the guide rod extension sections is 1, the bottom of each guide rod extension section is connected with the top of the guide rod body;
when the guide rod extending sections are multiple, the guide rod extending sections are connected with each other, and the guide rod extending section positioned at the bottom is connected with the top of the guide rod body.
Furthermore, the guide rod body and the guide rod extension section respectively comprise a first cylinder and a first mounting plate, the first cylinder is used for stone materials to pass through, a second cylinder is arranged on one side of the first cylinder and used for steel wire ropes and water pipes to pass through, a first cylinder wall opening is formed in the cylinder wall of the first cylinder along the length direction, a second cylinder wall opening is formed in the cylinder wall of the second cylinder along the length direction, the second cylinder is partially embedded into the first cylinder wall opening, and the first cylinder and the second cylinder are welded;
the first mounting plate is sleeved on the periphery of the bottom of the first cylinder and the periphery of the bottom of the second cylinder, the first mounting plate is connected with the first cylinder and the second cylinder through bolts, a first arc-shaped plate is arranged on the periphery of the top of the second cylinder, a movable door mechanism corresponding to an opening of the second cylinder wall is mounted on the cylinder wall of the second cylinder, a first connecting plate is arranged between the first cylinder and the second cylinder, and the first connecting plate is tangent to the first cylinder and the second cylinder.
Further, the second cylinder comprises a first arc-shaped section positioned in the first cylinder, a second arc-shaped section is arranged at one end of the first arc-shaped section, a third arc-shaped section is arranged at the other end of the first arc-shaped section, the tail end of the second arc-shaped section is connected with the first arc-shaped section, the head end of the third arc-shaped section is connected with the first arc-shaped section, and the second arc-shaped section and the third arc-shaped section are positioned outside the first cylinder;
the head end of the second arc-shaped section is provided with a first baffle extending into the second cylinder, the head end of the first baffle is connected with the head end of the second arc-shaped section, the tail end of the first baffle is vertically provided with a second baffle, the head end of the second baffle is positioned at the opening of the second cylinder wall, the tail end of the second baffle is connected with the inner wall of the first arc-shaped section, the inner walls of the third arc-shaped section and the first arc-shaped section are provided with a third baffle, and the second baffle, the third baffle and part of the inner wall of the first arc-shaped section form a cavity for the steel wire rope and the water pipe to pass through;
a second mounting plate for mounting a movable door mechanism is arranged between the first baffle and the second baffle, and the first arc-shaped plate is positioned on the periphery of the top end of the first arc-shaped section;
the first mounting plate comprises a fourth arc-shaped section, a straight section and a fifth arc-shaped section, the fourth arc-shaped section is used for being connected with the first cylinder, the straight section is used for being connected with the first connecting plate, the fifth arc-shaped section is used for being connected with the second cylinder, two ends of the fourth arc-shaped section are connected with the straight section, the other end of the straight section is connected with the head end of the fifth arc-shaped section, the tail end of the fifth arc-shaped section is located above an opening of the second cylinder wall, the two fifth arc-shaped sections are oppositely arranged, the inner diameter of the fifth arc-shaped section is the same as the outer diameter of the second cylinder, and the inner diameter of the fourth arc-.
Furthermore, the movable door mechanism comprises a movable door body, a rotating shaft and a torsion spring, wherein the rotating shaft is connected with the second mounting plate, a sleeve which is sleeved on the rotating shaft for connection is arranged on the inner side of the movable door body, the torsion spring is sleeved on the lower portion of the rotating shaft, one end of the torsion spring is in contact with the movable door body, and the other end of the torsion spring is inserted into the second baffle;
the top of dodge gate body is equipped with first dog, the outside of dodge gate body is provided with the second dog, the third arc section is equipped with the recess corresponding with the second dog.
Further, when the number of the guide rod extension sections is 1, the first mounting plate of the guide rod extension section is sleeved on the periphery of the top of the guide rod body, the first arc-shaped plate on the guide rod body is inserted into the guide rod extension section, the first arc-shaped plate on the guide rod body is sleeved on the periphery of the second cylinder on the guide rod extension section, and the movable door body is connected with the third arc-shaped section;
when the guide rod extension sections are multiple, the guide rod extension sections are connected with each other, the guide rod extension section positioned at the bottom is connected with the top of the guide rod body, the first mounting plate on the guide rod extension section positioned above is sleeved on the periphery of the top of the guide rod extension section positioned below, the first arc plate on the guide rod extension section positioned below is inserted into the guide rod extension section positioned above, the first arc plate on the guide rod extension section positioned below is sleeved on the periphery of the second cylinder on the guide rod extension section positioned above, the first mounting plate on the guide rod extension section positioned at the bottom is sleeved on the periphery of the top of the guide rod body, the first arc plate on the guide rod body is inserted into the guide rod extension section, the first arc plate on the guide rod body is sleeved on the periphery of the second cylinder on the guide rod extension section, and the movable door body is connected with the third arc section.
Furthermore, the device also comprises a manipulator which takes out the guide rod extension section on the guide rod body and puts the guide rod extension section on the guide rod frame.
A construction method of a plug-in type vibroflotation gravel pile machine comprises the following steps:
step 1, selecting a pile manufacturing position, installing the pile manufacturing position at a design position through a machine frame of a pile machine, and setting a ground zero point;
and 4, continuing to perform hole forming, wherein the top end of the guide rod body connected with the vibroflot gradually descends along with the vibroflot entering the ground, when the height of the top end of the guide rod body from the ground is 5-6 m, the manipulator takes out the guide rod extension section from the guide rod frame and moves to the position above the guide rod body, so that the guide rod extension section is connected with the guide rod body, the guide rod extension section arranged on the vibroflot continuously descends along with the vibroflot, and when the height of the top end of the guide rod extension section arranged on the vibroflot from the ground is 5-6 m, the manipulator takes out a new guide rod extension section arranged above the vibroflot again and continues to perform hole forming, and the process is repeated until the depth of the construction design pile is reached.
Further, in the step 3, the material bin 9 is moved above a feeding hole of the guide rod body 51, a feeding button is started, the lifting hopper automatically lifts to a corresponding position, then a flap valve of the lifting hopper is automatically opened, crushed stone flows into a crushed stone channel of a new guide rod from the flap valve, and the crushed stone is added to be 2-3 meters away from the upper end of the guide rod;
and 4, when the distance between the discharge end of the guide rod extension section on the vibroflotation device and the ground is 0.2-0.5 m, the charging in the step 3 is executed.
And further, the method comprises the step 5 of starting encryption construction after the vibroflot reaches the design depth, continuously lifting or descending the vibroflot in pore forming, wherein the lifting or descending height is 0.5m-1m, hovering the vibroflot after the encrypted current meeting the design requirement is reached, lifting the vibroflot to enter the next encryption section after the vibration retention time meets the requirement, and taking out and placing the guide rod extension section at the top end of the vibroflot onto the guide rod frame by the manipulator along with the lifting of the vibroflot.
The invention has the beneficial effects that:
the invention can select 1 or more guide rod extension sections to realize the adjustment of the length of the guide rod according to the construction requirement, can unload the guide rod extension sections when not needed, can reduce the lifting difficulty, has short required pile frame, small occupied area and low cost, can realize the bottom discharge of the ultra-deep vibro-replacement gravel pile, and has high hole forming efficiency and good equipment safety performance. .
Drawings
FIG. 1 is a schematic view of a plug-in vibro-replacement stone chipper apparatus;
FIG. 2 is a schematic view of the guide bar;
FIG. 3 is a top view of the guide rod extension;
fig. 4 is a top view of the guide body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is to be understood that the terms "top," "middle," "upper," "one end," "lower," "left side," "right side," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
Example one
The construction method and the device of the plug-in type vibroflotation gravel pile machine shown in figure 1 comprise a pile machine frame 1, a guide rod frame 2, a mechanical arm, vibroflotation equipment for vibroflotation gravel and a driving mechanism 3 for driving the vibroflotation equipment to move up and down, wherein the pile machine frame 1 comprises a pile machine base 11, a pile machine mast 12 and a supporting rod 13 for supporting the pile machine mast; a pile machine mast 12 is erected on the pile machine base 11, a pile machine mast horse head 14 is arranged at the top of the pile machine mast 12, and the pile machine mast 12 is provided with a mast track; the driving mechanism 3 is installed on the pile machine base 11, the driving mechanism 3 comprises a winch 31 and a pulley, and a steel wire rope 311 on the winch 31 is connected with the vibroflotation device 3 through the pulley; the vibroflotation equipment comprises vibroflotation devices 4, guide rods 5, motors 6, shock absorbers 7, junction boxes 8 and storage bins 9, each guide rod 5 comprises a guide rod body 51 and at least one guide rod extension section 52, the top of each vibroflotation device 4 is connected with each motor 5, the top of each motor 6 is connected with each shock absorber 7, the top of each shock absorber 7 is connected with the bottom of each junction box 8, the top of each junction box 8 is connected with each guide rod body 51, each guide rod extension section 52 is connected with each guide rod body 51, and a steel wire rope on each winch 31 is connected with each storage bin 9 through a mast horse head 14. The guide rod frame 2 is arranged on a base 11 of the pile machine, a plurality of guide rod extension sections 52 are arranged on the guide rod frame 2, the manipulator is used for taking out the guide rod extension sections 52 on the guide rod frame 2 and arranging the guide rod extension sections on a guide rod body 51, and the guide rod extension sections 52 on the guide rod body 51 can also be taken out and arranged on the guide rod frame 2, the model of the manipulator is FANUC industrial robot M-900iA, 70M-100M pile frames are generally needed for vibroflotation construction exceeding 40M in depth, the tonnage of a crane is required to reach 300t-500t, even 800t, thus the area of a crane chassis is larger and the vibroflotation pile machine cannot be arranged due to the limitation of a construction site, the guide rod 5 adopts a connection mode that the guide rod body 51 is matched with the guide rod extension sections 52, the length of the guide rod 5 can be adjusted according to the construction requirement, along with the increase of the depth of the pile hole, a plurality of guide rod extension sections 52 can be arranged on the guide rod body 1 by utilizing a manipulator, so that the length of the guide rod 5 is increased; along with the continuous rising of vibroflotation device 4, can also unload the guide arm extension section 52 of top step by step, so not only can reduce and lift by crane the degree of difficulty, but also can reduce pile frame height, and the required pile frame height of vibroflotation pile in the degree of depth hectometer is less than 20 meters, can effective reduce cost low, and equipment application scope is wide. .
As shown in fig. 2-4, the guide rod body 51 and the guide rod extension 52 each include a first cylinder 53 for passing stone materials, a second cylinder 54, a first arc-shaped plate 55, a movable door mechanism 56, and a first mounting plate 57, the second cylinder 54 is located at one side of the first cylinder 53, the second cylinder 54 is used for passing the steel cable 311 and the water pipe 10, a first cylinder wall opening is arranged on the cylinder wall of the first cylinder 53 along the length direction, a second cylinder wall opening is arranged on the cylinder wall of the second cylinder 54 along the length direction, wherein the top of the first cylinder wall opening is aligned with the top of the first cylinder 223, the bottom of the first cylinder wall opening is aligned with the bottom of the first cylinder 223, the second cylinder wall opening is aligned with the top of the second cylinder 224, the bottom of the second cylinder wall opening is aligned with the bottom of the second cylinder 224, and the second cylinder 54 is partially inserted into the first cylinder wall opening, the first cylinder 53 is welded with the second cylinder 54; the first arc-shaped plate 55 is arranged on the periphery of the top of the second cylinder 54, the movable door mechanism 56 is arranged on the cylinder wall of the second cylinder 54, the movable door mechanism 56 corresponds to the opening of the second cylinder wall, a first connecting plate is arranged between the first cylinder 53 and the second cylinder 54, the first connecting plate is tangent to the first cylinder 53 and the second cylinder 54, the first mounting plate 57 is sleeved on the periphery of the bottom of the first cylinder 53 and the periphery of the bottom of the second cylinder 54, the first mounting plate 57 is connected with the first cylinder 53 and the second cylinder 54 by bolts, the first mounting plate 57 comprises a fourth arc-shaped section connected with the first cylinder 53, a straight line section connected with the first connecting plate and a fifth arc-shaped section connected with the second cylinder 54, two ends of the fourth arc-shaped section are connected with straight line sections, and the other end of the straight line section is connected with the head end of the fifth arc-shaped section, the tail ends of the fifth arc-shaped sections are positioned above the opening of the second cylinder wall, the two fifth arc-shaped sections are oppositely arranged, the inner diameter of each fifth arc-shaped section is the same as the outer diameter of the second cylinder 54, and the inner diameter of each fourth arc-shaped section is the same as the outer diameter of the first cylinder 53. Therefore, when the guide rod body 51 and the guide rod extension section 52 are installed, the guide rod body 51 and the guide rod extension section 52 can be kept aligned at the same position, and the first installation plate 57 is located at the same position of the guide rod body 51 or the guide rod extension section 52, so that installation of bolts is facilitated, and construction efficiency is improved.
When the number of the guide rod extension sections 52 is 1, the bottom of the guide rod extension section 52 is connected with the top of the guide rod body 51, when the guide rod extension section is installed, the first installation plate 57 on the guide rod extension section 52 is sleeved on the top of the guide rod body 51 and connected through bolts, so that the guide rod extension section is convenient to detach and install, and the first installation plate 57 is convenient for connecting the guide rod body 51 and the guide rod extension section 52. When the guide rod extending sections 52 are multiple, the guide rod extending sections 52 are connected with each other, the guide rod extending section 52 positioned at the bottom is connected with the top of the guide rod body 51, wherein the first mounting plate 57 positioned on the guide rod extending section 52 positioned above is sleeved on the periphery of the top of the guide rod extending section 52 positioned below, the first mounting plate 57 positioned on the guide rod extending section 52 positioned at the bottom is sleeved on the top of the guide rod body 51, and the first mounting plate 57, the first cylinder 53 and the second cylinder 54 are connected through bolts, so that the guide rod body 51 and the guide rod extending section 52 are convenient to assemble and disassemble.
Example two
The second cylinder 54 shown in fig. 2-4 comprises a first arc-shaped segment 541, a second arc-shaped segment 542, a third arc-shaped segment 543, a first baffle 5421, a second baffle 5422, and a third baffle 5431, wherein the first arc-shaped segment 541 is located in the first cylinder 53, the second arc-shaped segment 542 and the third arc-shaped segment 543 are located outside the first cylinder 53, one end of the first arc-shaped segment 541 is connected to the second arc-shaped segment 542, the other end of the first arc-shaped segment 541 is connected to the third arc-shaped segment 543, the second arc-shaped segment 542 and the third arc-shaped segment 543 are respectively distributed at the left and right ends of the first arc-shaped segment 541, the tail end of the second arc-shaped segment 542 is connected to the first arc-shaped segment 541, the head end of the third arc-shaped segment 543 is connected to the first arc-shaped segment 541, the first arc-shaped plate 55 is located at the periphery of the top end of the first arc-shaped segment 541, the inner diameter of the first arc-shaped plate 55 is the same as the outer diameter of the second cylinder 54, and the lower portion of, the upper part of the first arc-shaped section 541 is higher than the top of the second cylinder 54, when the guide rod extension section 52 is installed above the first arc-shaped plate 55, the first arc-shaped plate 55 can be inserted into the periphery of the second cylinder 54 of the guide rod extension section 52, so that the guide rod extension section 52 can be prevented from rotating, the guide rod extension section 52 and the guide rod 5 can be aligned better, and the installation is convenient;
the head end of the first baffle 5421 is connected with the head end of the second arc-shaped section 542, the tail end of the first baffle 5421 extends into the second cylinder 54, the second baffle 5422 is vertically arranged with the tail end of the first baffle 5421, the head end of the second baffle 5422 is positioned at the opening of the second cylinder wall, the tail end of the second baffle 56 is connected with the inner wall of the first arc-shaped section 541, the head end of the third baffle 5431 is connected with the tail end of the third arc-shaped section 543, the tail end of the third baffle 5431 is connected with the inner wall of the first arc-shaped section 541, a second mounting plate for mounting the movable door mechanism 56 is arranged between the head end of the first baffle 5421 and the second baffle 5422, the third baffle 5431 and part of the inner wall of the first arc-shaped section 541 form a cavity for the steel wire rope 311 and the water pipe 10 to pass through, during mounting, the manipulator firstly takes out the guide rod extension section 52, then moves the guide rod extension 52 to the upper part of the guide rod body 51, and then the cavity of the, and make wire rope 311 and water pipe 10 telescope the cavity of guide arm extension 52, the preliminary alignment of guide arm extension 52 and guide arm can be accomplished to this process, the manipulator moves guide arm extension 52 downwards at last, and insert the top of guide arm body 51 with first mounting panel 57 on the guide arm extension 52, first arc 55 on the guide arm body 51 inserts in the guide arm extension 52 simultaneously, so far, butt joint is accomplished with guide arm body 51 to guide arm extension 52, only need carry out the bolt reinforcement can, carry out the pore-creating. Similarly, when the length of the guide rod 5 needs to be increased again, that is, when there are a plurality of guide rod extensions 52, the first mounting plate 57 on the bottom guide rod extension 52 is sleeved on the outer periphery of the top of the guide rod body 51, and the plurality of guide rod extensions 52 are connected to each other, it is necessary for the robot to take out the guide rod extension 52 from the guide rod frame 2 again and move the guide rod extension 52 above the guide rod extension 52 on the vibroflot 4, wherein the first mounting plate 57 on the upper guide rod extension 52 is sleeved on the outer periphery of the top of the lower guide rod extension 52, the first arc-shaped plate 55 on the lower guide rod extension 52 is inserted into the upper guide rod extension 52, the first arc-shaped plate 55 on the lower guide rod extension 52 is sleeved on the outer periphery of the second cylinder 54 on the upper guide rod extension 52, because the guide rod extensions 52 and the guide rod body 51 have the same structure, therefore, the connection mode is the same, firstly, the cavity of the guide rod extension section 52 positioned above and the cavity close to the steel wire rope 311 and the water pipe 10 are sleeved with the steel wire rope 311 and the water pipe 10 in the cavity of the guide rod extension section 52 positioned above; secondly, the manipulator moves down the guide rod extension 52 that is located the top, make the first mounting panel 57 cover on the guide rod extension 52 that is located the top at the top of the guide rod extension 52 that is located its below, the arc 55 on the guide rod extension 52 that is located the below inserts in the guide rod extension 52 that is located the top simultaneously, bolt fastening is carried out to two upper and lower guide rod extensions 52, this can make things convenient for the constructor to require according to the site operation, adjust the length of guide rod 5 at any time, along with the pile hole encryption stage, shake towards ware 4 and constantly rise, can also dismantle the guide rod extension 52 at top in proper order, not only can reduce the energy consumption, can also effectively reduce the area of equipment, equipment application scope is wider. According to the invention, the first cylinder 53 on the guide rod extension section 52 is vertically aligned with the first cylinder 53 on the guide rod body 51, compared with a telescopic guide rod structure, the situation that gravel enters a gap between the inner guide rod and the outer guide rod to cause the telescopic guide rod to be clamped and the vibroflotation device is buried in a hole can not occur, and in the prior art, gravel cannot reach the bottom of the vibroflotation pile, and the discharge end is on the ground.
EXAMPLE III
As a preferable scheme, the movable door mechanism 56 shown in fig. 2 includes a movable door body 561, a rotating shaft, and a torsion spring 562, the rotating shaft is connected to the second mounting plate, a sleeve sleeved on the rotating shaft is disposed on an inner side of the movable door body 561, the torsion spring 562 is sleeved on a lower portion of the rotating shaft, one end of the torsion spring 562 is in contact with an inner side of the movable door body 561, the other end of the torsion spring 562 is inserted into the second baffle 5422, and the inner side of the embodiment is a side of the movable door body 561 corresponding to an inner wall of the second cylinder 54. The top of the movable door body 561 is provided with a first stop 563, the outer side of the movable door body 561 is provided with a second stop 563, and the third arc-shaped section 543 is provided with a groove 5431 corresponding to the second stop 563. When the guide rod extension 52 is not used, the movable door body 561 is in an open state, and when the guide rod extension 52 is installed on the guide rod body 51, the second stopper 563 is clamped with the groove 5431, so that the movable door body 561 is in a closed state. Meanwhile, the first mounting plate 57 on the guide rod extension section 52 is inserted into the top of the guide rod body 51, the first mounting plate 57 can be simultaneously sleeved on the peripheries of the movable door body 561 and the second cylinder 54, and the first stop 563 located at the top of the guide rod body 51 is in contact with the first mounting plate 57 at the bottom of the guide rod extension section 52, the first stop 563 can limit the mounting position of the first mounting plate 57, the falling range of the guide rod extension section 52 can be limited, the first stop 563 can play a role in supporting and limiting, when the first mounting plate 57 is inserted into a gap between the first stop 563 and the movable door body 561, the guide rod extension section 52 and the guide rod body 51 are mounted completely.
In the process of pore-forming, the steel wire rope 311 and the water pipe 10 both pass through the second cylinder 54 of the guide rod body 51, the torsion spring 562 is utilized to enable the guide rod extension section 52 to be in an open state when not used, the structure is convenient for the guide rod extension section 52 to firstly clamp the steel wire rope 311 and the water pipe 10 into a cavity of the guide rod extension section 52, then the guide rod extension section 52 descends to be spliced with the guide rod body 51, and similarly, the splicing of the guide rod extension section 52 and the guide rod extension section 52 on the vibroflot 4 can be realized. After splicing, the second stopper 563 is connected with the groove 5431 in a clamping manner, so that the guide rod extension section 52 and the movable door body 561 of the guide rod body 51 are both in a closed state, and thus, slurry and the like in a pore-forming process can be prevented from entering the second cylinder 54, abrasion to the steel wire rope 311 and the water pipe 10 is reduced, and the safety performance of the device is improved.
Example four
8. A construction method of a plug-in type vibroflotation gravel pile machine is characterized by comprising the following steps:
step 1, selecting a pile manufacturing position, installing the pile manufacturing position at a design position through a machine frame 1 of a pile machine, and setting a ground zero point;
and 4, step 4: the hole is continuously formed, as the vibroflot 4 enters the ground, the top end of the guide rod body 51 connected with the vibroflot 4 gradually descends, when the top end of the guide rod body 51 is 5m-6m away from the ground, the manipulator takes out the guide rod extension 52 from the guide rod frame 2 and moves to the upper part of the guide rod body 24, so that the guide rod extension 52 is connected with the guide rod body 24, the guide rod extension 52 arranged on the vibroflot 4 continuously descends along with the vibroflot 4, when the distance between the discharge end of the guide rod extension section 52 on the vibroflotation device 4 and the ground is 0.2m-0.5m, the charging in the step 3 is executed, when the top end of the guide rod extension 52 arranged on the vibroflot 4 is 5m-6m away from the ground, and the manipulator takes out a new guide rod extension section 52 again, and the guide rod extension section 52 arranged above the vibroflot 4 continues to form holes, and the process is circulated until the depth of the construction design pile is reached.
And 5, starting encryption construction after the vibroflot 4 reaches the design depth, continuously lifting or descending the vibroflot 4 during pore forming, wherein the lifting or descending height is 0.5m-1m, hovering the vibroflot after the encryption current reaches the design requirement, lifting the vibroflot to enter the next encryption section after the vibration retention time reaches the requirement, and taking out the guide rod extension section 52 at the top end of the vibroflot 4 and placing the guide rod extension section on the guide rod frame 2 by the manipulator along with the lifting of the vibroflot 4.
According to the construction method, the length of the guide rod 5 can be adjusted according to construction requirements by utilizing a connection mode of matching the guide rod body 51 with the guide rod extension sections 52, and along with the increase of the depth of a pile hole, a plurality of guide rod extension sections 52 can be installed on the guide rod body 1 by utilizing a manipulator to increase the length of the guide rod 5; along with vibroflotation device 4 constantly rises, can also progressively uninstall the guide arm extension 52 at top, not only can reduce like this and lift by crane the degree of difficulty, equipment area is little moreover, and is with low costs, and the detritus material can be directly fallen to vibroflotation stake bottom from first drum 53, realizes at the technological effect of the bottom ejection of compact of ultradeep vibroflotation gravel pile, and the detritus material directly gets into the stake downthehole, and vibroflotation effect is better, and the pore-forming is efficient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A plug-in type vibroflotation gravel pile machine device comprises a pile machine frame (1), vibroflotation equipment for vibroflotation gravel and a driving mechanism (3) for driving the vibroflotation equipment, the driving mechanism (3) is arranged on the machine frame (1) of the pile machine, the driving mechanism (3) drives the vibroflotation equipment to move up and down through a steel wire rope (311), it is characterized in that the vibroflotation equipment comprises a vibroflotation device (4) and a guide rod (5), the guide rod (5) comprises a guide rod body (51) connected with the vibroflot (4) and not less than 1 guide rod extension section (52), the pile driver is characterized in that a guide rod frame (2) used for placing a guide rod extension section (52) and a manipulator used for taking out the guide rod extension section (52) on the guide rod frame (2) and installing the guide rod extension section on a guide rod body (51) are installed on the pile driver rack (1), and the guide rod extension section (52) is connected with the guide rod body (51).
2. A plug-in vibro-replacement stone column apparatus according to claim 1, characterized in that when there are 1 guide rod extensions (52), the bottom of the guide rod extension (52) is connected with the top of the guide rod body (51);
when the number of the guide rod extending sections (52) is multiple, the guide rod extending sections (52) are connected with each other, and the guide rod extending section (52) positioned at the bottom is connected with the top of the guide rod body (51).
3. The plug-in type vibro-replacement stone pile machine device according to claim 2, characterized in that, the guide rod body (51) and the guide rod extension section (52) comprise a first cylinder (53) for passing stone materials and a first mounting plate (57), one side of the first cylinder (53) is provided with a second cylinder (54) for passing a steel wire rope (311) and a water pipe (10), the wall of the first cylinder (53) is provided with a first cylinder wall opening along the length direction, the wall of the second cylinder (54) is provided with a second cylinder wall opening along the length direction, the second cylinder (54) is partially embedded into the first cylinder wall opening, and the first cylinder (53) and the second cylinder (54) are welded;
the first mounting plate (57) is sleeved on the periphery of the bottom of the first cylinder (53) and the periphery of the bottom of the second cylinder (54), the first mounting plate (57) is connected with the first cylinder (53) and the second cylinder (54) through bolts, a first arc-shaped plate (55) is arranged on the periphery of the top of the second cylinder (54), a movable door mechanism (56) corresponding to an opening of the second cylinder wall is mounted on the cylinder wall of the second cylinder (54), a first connecting plate is arranged between the first cylinder (53) and the second cylinder (54), and the first connecting plate is tangent to the first cylinder (53) and the second cylinder (54).
4. A plug-in vibro-replacement stone piling device according to claim 3, wherein the second cylinder (54) includes a first arc segment (541) located inside the first cylinder (53), one end of the first arc segment (541) is provided with a second arc segment (542), the other end of the first arc segment (541) is provided with a third arc segment (543), the end of the second arc segment (542) is connected with the first arc segment (541), the head end of the third arc segment (543) is connected with the first arc segment (541), and the second arc segment (542) and the third arc segment (543) are located outside the first cylinder (53);
the head end of the second arc-shaped section (542) is provided with a first baffle (5421) extending into the second cylinder (54), the head end of the first baffle (5421) is connected with the head end of the second arc-shaped section (542), the tail end of the first baffle (5421) is vertically provided with a second baffle (5422), the head end of the second baffle (5422) is positioned at the opening of the second cylinder wall, the tail end of the second baffle (56) is connected with the inner wall of the first arc-shaped section (541), the inner walls of the third arc-shaped section (543) and the first arc-shaped section (541) are provided with a third baffle (5431), and the second baffle (5422), the third baffle (5431) and part of the inner wall of the first arc-shaped section (541) form a cavity for the steel wire rope (311) and the water pipe (10) to pass through;
a second mounting plate for mounting a movable door mechanism (56) is arranged between the first baffle plate (5421) and the second baffle plate (5422), and the first arc-shaped plate (55) is positioned on the periphery of the top end of the first arc-shaped section (541);
the first mounting plate (57) comprises a fourth arc section, a straight section and a fifth arc section, wherein the fourth arc section is used for being connected with the first cylinder (53), the straight section is used for being connected with the first connecting plate, the fifth arc section is used for being connected with the second cylinder (54), two ends of the fourth arc section are connected with the straight section, the other end of the straight section is connected with the head end of the fifth arc section, the tail end of the fifth arc section is located above the opening of the second cylinder wall, the two fifth arc sections are oppositely arranged, the inner diameter of the fifth arc section is the same as the outer diameter of the second cylinder (54), and the inner diameter of the fourth arc section is the same as the outer diameter of the first cylinder (53).
5. The plug-in type vibro-replacement stone column crusher device as claimed in claim 4, wherein said movable door mechanism (56) comprises a movable door body (561), a rotating shaft, a torsion spring (562), said rotating shaft is connected with the second mounting plate, a sleeve is provided on the inner side of said movable door body (561) and is sleeved on the rotating shaft, said torsion spring (562) is sleeved on the lower portion of the rotating shaft, one end of said torsion spring (562) is in contact with the movable door body (561), and the other end of said torsion spring (562) is inserted into the second baffle (5422);
the top of the movable door body (561) is provided with a first stop block (563), the outer side of the movable door body (561) is provided with a second stop block (563), and the third arc-shaped section (543) is provided with a groove (5431) corresponding to the second stop block (563).
6. A plug-in vibro-replacement stone column apparatus according to claim 5,
when the number of the guide rod extension sections (52) is 1, a first mounting plate (57) of each guide rod extension section (52) is sleeved on the periphery of the top of a guide rod body (51), a first arc-shaped plate (55) on each guide rod body (51) is inserted into each guide rod extension section (52), the first arc-shaped plate (55) on each guide rod body (51) is sleeved on the periphery of a second cylinder (54) on each guide rod extension section (52), and a movable door body (561) is connected with a third arc-shaped section (543);
when a plurality of guide rod extending sections (52) are arranged, the guide rod extending sections (52) are connected with each other, the guide rod extending section (52) positioned at the bottom is connected with the top of the guide rod body (51), a first installation plate (57) on the guide rod extending section (52) positioned at the upper part is sleeved on the periphery of the top of the guide rod extending section (52) positioned at the lower part, a first arc-shaped plate (55) on the guide rod extending section (52) positioned at the lower part is inserted into the guide rod extending section (52) positioned at the upper part, the first arc-shaped plate (55) on the guide rod extending section (52) positioned at the lower part is sleeved on the periphery of a second cylinder (54) on the guide rod extending section (52) positioned at the upper part, the first installation plate (57) on the guide rod extending section (52) positioned at the bottom is sleeved on the periphery of the top of the guide rod body (51), and the first arc-shaped plate (55) on the, the first arc-shaped plate (55) on the guide rod body (51) is sleeved on the periphery of the second cylinder (54) on the guide rod extension section (52), and the movable door body (561) is connected with the third arc-shaped section (543).
7. A socketed vibro-replacement stone column apparatus according to claim 1, further comprising a manipulator to remove the guide rod extension (52) from the guide rod body (51) and place it on the guide rod holder (2).
8. A construction method of a plug-in type vibroflotation gravel pile machine is characterized by comprising the following steps:
step 1, selecting a pile manufacturing position, installing the pile manufacturing position at a design position through a machine frame (1) of a pile machine, and setting a ground zero point;
step 2, starting the vibroflotation equipment, enabling the vibroflotation device (4) to reach the working frequency, and observing whether the starting current and the no-load current are in the normal range;
step 3, starting to form holes, and hovering the vibroflotation device (4) to feed when a discharge hole of the guide rod body (51) enters the ground by 0.2-0.5 m;
and 4, step 4: continuing to form the hole, gradually descending the top end of the guide rod body (51) connected with the vibroflot (4) along with the vibroflot (4) entering the ground, when the top end of the guide rod body (51) is 5m-6m away from the ground, the manipulator takes out the guide rod extension section (52) from the guide rod frame (2) and moves to the upper part of the guide rod body (24), so that the guide rod extension section (52) is connected with the guide rod body (24), the guide rod extension section (52) arranged on the vibroflot (4) continuously descends along with the vibroflot (4), when the top end of the guide rod extension section (52) arranged on the vibroflot (4) is 5m-6m away from the ground, and the manipulator takes out a new guide rod extension section (52) again and continuously forms holes on the guide rod extension section (52) arranged above the vibroflot (4), and the process is circulated until the depth of the construction design pile is reached.
9. The construction method of the plug-in type vibro-replacement stone pile machine according to claim 8, characterized in that,
in the step 3, the storage bin 9 is moved above a feeding hole of the guide rod body 51, a feeding button is started, a flap valve of the lifting hopper is automatically opened after the lifting hopper is automatically lifted to a corresponding position, crushed stone flows into a crushed stone channel of a new guide rod from the flap valve, and the crushed stone is added to be 2-3 meters away from the upper end of the guide rod;
and in the step 4, the charging in the step 3 is executed when the distance between the discharge end of the guide rod extension section (52) on the vibroflot (4) and the ground is 0.2-0.5 m.
10. The construction method of the plug-in type vibroflotation gravel pile machine according to claim 8, characterized by further comprising the step 5 of starting the encryption construction after the vibroflotation device (4) reaches the designed depth, wherein the vibroflotation device (4) is required to be continuously lifted or lowered in the hole forming process, the lifting or lowering height is 0.5m-1m, the vibroflotation device is suspended after the encryption current meeting the design requirement, the vibroflotation device is lifted to enter the next encryption section after the vibration retention time meets the requirement, and the manipulator can take out the guide rod extension section (52) at the top end of the vibroflotation device (4) and place the guide rod extension section on the guide rod support (2) along with the lifting of the vibroflotation device (4).
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