A pile driver support structure based on static drill root pile technology

Abstract

The present application relates to the technical field of excavation and filling, in particular to a pile driver support structure based on static drilling root pile technology. The support structure is formed by splicing a plurality of flat plate assemblies. Each flat plate assembly comprises a support plate, a fixing surface on the top surface of the support plate, a connecting column and a connecting groove on the side surface of the support plate. A flat plate assembly is used as a unit to form a support plate for supporting the pile driver by splicing, thereby reducing the pressure intensity of the pile driver on soft soil to prevent subsidence. The flat plate assembly has a fixing surface to facilitate the fixation of the pile driver. In addition, when two support plates are spliced together, a reinforcing column is automatically ejected to improve the compression resistance of the spliced support plates. When the support plates are completely spliced together, a stop column can automatically lock the reinforcing column. When the support plates are completely spliced together, a locking plate and an ejecting column can be ejected simultaneously, and the two can be fixed together by a fixing bolt to laterally lock the support plates.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of excavation and filling, and particularly relates to a pile driver support structure based on static drill root pile technology. BACKGROUND

[0002] The pile foundation is a basic part in house building, which bears the weight of the whole building, so the pile foundation in house building must have sufficient bearing pressure and pressure resistance. The static drill root pile is a new type of pile foundation operation technology, which has the advantages of pre-stress, high performance, head expansion, deep pile end mixing, cost saving and the like by using the effective combination of root piles. Firstly, the site is drilled to the required depth, then the hole is expanded, then the pile is injected with prepared mud, and finally the pile is planted. The traditional root pile driving method is to backfill and compact the soil before driving, then position the drilling machine, drill the drilling machine to the bearing layer, expand the hole, protect the mud wall, and drive the pile. In some soft soil areas, such as coastal areas, the machine will sink into the soil and cannot move when using the static drill root pile pile driver, affecting the construction organization process. Therefore, a device is needed to provide effective support for the pile driver on soft soil. SUMMARY

[0003] The application aims to provide a pile driver support structure based on static drill root pile technology. The application uses a flat plate assembly as a unit to form a support plate for supporting the pile driver by splicing, reducing the pressure of the pile driver on soft soil to prevent sinking. The flat plate assembly has a fixing surface to facilitate the fixing of the pile driver.

[0004] The application solves the above problems by adopting the following technical scheme: a pile driver support structure based on static drill root pile technology, the support structure is formed by splicing a plurality of flat plate assemblies, the flat plate assembly includes a support plate, a fixing surface is arranged on the top surface of the support plate, a connecting column and a connecting groove are arranged on the side surface of the support plate, and the connecting column and the connecting groove are arranged on the opposite side surfaces of the support plate.

[0005] Further preferred technical solutions are that a reinforcing groove is arranged on the side surface of the connecting column side of the support plate, a reinforcing column for inserting into the reinforcing groove is arranged on the side surface of the connecting groove side of the support plate, and a trigger column unit is arranged in the connecting groove and used for pushing out the reinforcing column outward.

[0006] Further preferred technical solutions are that the trigger column unit includes a trigger column with a top end in the connecting groove, a main sleeve sleeved on the bottom end of the trigger column, a sub-sleeve sleeved on the bottom end of the reinforcing column, and a hydraulic pipe for connecting the main sleeve and the sub-sleeve.

[0007] Further preferred technical solutions are that the trigger column unit further comprises a stop slot arranged on the side of the trigger column; and further comprises a stop column unit for clamping the stop slot.

[0008] Further preferred technical solutions are that the stop column unit comprises a stop column for clamping the stop slot, and a stop spring for outwardly jacking up the stop column.

[0009] Further preferred technical solutions are that the support structure further comprises a pressing column unit for moving the stop column inwardly.

[0010] Further preferred technical solutions are that the stop column unit further comprises an inclined slot arranged on the stop column; the bottom of the inclined slot is inclined outwardly along the direction of the stop spring; the pressing column unit comprises a pressing column, an inclined block arranged at the bottom end of the pressing column and installed in the inclined slot; and the inclined block is consistent with the slope of the inclined slot.

[0011] Further preferred technical solutions are that the pressing column unit further comprises a receiving spring for jacking up the pressing column inwardly.

[0012] Further preferred technical solutions are that the pressing column unit further comprises a first fixing pin hole arranged on the top end of the pressing column; the support structure further comprises a locking plate unit arranged on the support plate and used for connecting the first fixing pin hole, and an ejection column unit arranged in the reinforcing slot and used for jacking up the locking plate unit outwardly.

[0013] Further preferred technical solutions are that the locking plate unit comprises a locking plate, a jacking block arranged at the bottom of the locking plate, an unlocking spring for jacking up the locking plate inwardly, and a second fixing pin hole arranged at the top end of the locking plate; and the ejection column unit comprises an ejection column protruding to the reinforcing slot, an ejection spring for jacking up the ejection column outwardly, and an ejection slot arranged on the ejection column and used for jacking up the ejection column outwardly.

[0014] The present application has the following advantages:

[0015] Firstly, when two support plates are spliced together, the reinforcing column is automatically ejected to improve the compression resistance of the spliced support plates;

[0016] Secondly, when the support plates are completely spliced together, the stop column can automatically lock the reinforcing column;

[0017] Thirdly, when the support plates are completely spliced together, the locking plate and the ejection column can be ejected simultaneously under the driving of the stop column and the reinforcing column, and the two can be fixed together by the fixing pin, so as to transversely lock the support plates.

[0018] Fourth, when disassembled, the operation of the lower column can be released by pressing the locking column on the reinforcing column;

[0019] Fifth, when the support plate is not spliced, the reinforcing column, the locking plate and the ejecting column are all stored in the internal cavity of the support plate, avoiding bumping and facilitating transportation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure of the flat plate assembly in the present application is shown in the schematic diagram.

[0021] Figure 2 The schematic diagram of rotating 180° in the middle. Figure 1

[0022] Figure 3 The schematic diagram of the splicing method of the flat plate assembly.

[0023] Figure 4 The schematic diagram of the flat plate assembly spliced together. Figure 3

[0024] The schematic diagram of the splicing of the flat plate assembly. Figure 5

[0025] Figure 6 The schematic diagram of the connecting column inserted into the connecting groove.

[0026] Figure 7 The structure of the trigger column unit is shown in the schematic diagram.

[0027] Figure 8 The schematic diagram of pressing the trigger column to make the reinforcing column pop out. Figure 7

[0028] Figure 9 The schematic diagram of the trigger column moving down to make the locking column unit engage with the locking groove.

[0029] Figure 10 The schematic diagram of the trigger column moving down to make the locking column unit engage with the locking groove. Figure 9

[0030] The structure of the locking column unit and the lower column unit is shown in the schematic diagram. Figure 11

[0031] Figure 12 The schematic diagram of the locking column unit popping out. Figure 11

[0032] The schematic diagram of the reinforcing column inserted into the reinforcing groove. Figure 13

[0033] The schematic diagram of the reinforcing column inserted into the reinforcing groove. Figure 14 Figure 13 The schematic diagram of the reinforcing column inserted into the reinforcing groove.

[0034] ​​​​​Figure 15 Fig. 2 is a schematic view of the locking plate unit and the ejecting column unit.

[0035] In the drawings, the components represented by the respective reference numerals are as follows: support plate 1, connecting column 3, connecting groove 4, reinforcing groove 5, reinforcing column 6, trigger column unit 7, stop column unit 8, pressing-down column unit 9, locking plate unit 10, ejecting column unit 11, trigger column 701, main sleeve 702, branch sleeve 703, hydraulic pipe 704, stop groove 705, stop column 801, stop spring 802, inclined surface groove 803, pressing-down column 901, inclined surface block 902, receiving spring 903, first fixing bolt hole 904, locking plate 1001, jacking block 1002, unlocking spring 1003, second fixing bolt hole 1004, ejecting column 1101, ejecting spring 1102, ejecting groove 1103. DETAILED DESCRIPTION

[0036] The application will be further described below in conjunction with the drawings.

[0037] The specific embodiments are merely illustrative of the present application, and are not intended to limit the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the present specification, and the modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

[0038] Embodiment: A pile driver support structure based on static drilling root pile technology, the support structure is formed by splicing a plurality of flat plate assemblies, the flat plate assembly comprises a support plate 1, the top surface of the support plate 1 is provided with a fixing surface, a connecting column 3 and a connecting groove 4 are arranged on the side surface of the support plate 1; the connecting column 3 and the connecting groove 4 are arranged on the opposite side surfaces of the support plate 1 respectively. Figures 1-4 The specifications of the support plate 1 are generally 1m×2m, 2m×4m, 3m×6m, and the thickness is 30mm, 40mm or 50mm. In use, according to the requirements, the connecting column 3 is inserted into the connecting groove 4 to splice a plurality of support plates 1 together to form a support structure for supporting the pile driver. Figures 1-4

[0039] In a preferred scheme, the connecting column 3 and the connecting groove 4 are arranged on the opposite short side edges of the support plate 1.

[0040] In a preferred scheme, the connecting column 3 and the connecting groove 4 are arranged on both the opposite long side edges and the opposite short side edges of the support plate 1. In this scheme, theoretically, as long as there are enough flat plate assemblies, a large enough support structure can be spliced to support the pile driver.

[0041] ​In this embodiment, the fixing surface is manifested as several recesses on the top surface of the support plate 1, which can be used with a pile driver with a protruding engagement structure at the bottom.

[0042] In a preferred embodiment, the fixing surface consists of several protrusions on the top surface of the support plate 1, which can be used with a pile driver having a grooved engagement structure at the bottom.

[0043] In a preferred embodiment, the bottom surface of the support plate 1 is provided with a mating surface that is adapted to the fixing surface. The adaptation means that if the fixing surface is a number of recesses provided on the top surface of the support plate 1, then the mating surface is a number of protrusions provided on the bottom surface of the support plate 1, and the two are adapted in shape and size; if the fixing surface is a number of protrusions provided on the top surface of the support plate 1, then the mating surface is a number of recesses provided on the bottom surface of the support plate 1, and the two are adapted in shape and size.

[0044] Regarding the selection of support structure specifications, on the one hand, it should be based on indicators such as the output torque of the piling machine, the controllable underreaming device of the drill bit, the data monitoring content, and the strength and length of the drill rod. On the other hand, it should be based on the degree of soil softness. Overly soft soil requires a larger area of ​​support structure to provide sufficient support for the piling machine to prevent it from sinking.

[0045] The support plate 1 has a reinforcing groove 5 on one side of the connecting column 3. A reinforcing column 6 is inserted into the reinforcing groove 5 on one side of the support plate 1, located within the connecting groove 4. A trigger column unit 7 is also provided within the connecting groove 4 to push the reinforcing column 6 outwards. Several reinforcing grooves 5 and reinforcing columns 6 are provided, arranged opposite to each other, and the number of reinforcing grooves 5 is not less than the number of reinforcing columns 6. (Reference) Figure 5 The reinforcing groove 5 and the reinforcing column 6 are positioned between the connecting column 3 and the connecting groove 4. The reinforcing groove 5 is located on one side of the support plate 1 with the connecting column 3, and the reinforcing column 6 is located on one side of the support plate 1 with the connecting groove 4. When the reinforcing column 6 is inserted into the reinforcing groove 5, it can provide sufficient support for the connection between the two support plates 1, ensuring that the two support plates 1 remain on the same horizontal plane and do not overturn even under the pressure of the piling machine.

[0046] When the connecting column 3 is not inserted into the connecting slot 4, the reinforcing column 6 is stored in the slot on the side of the support plate 1. In a comparative solution, the reinforcing column 6 is exposed, which means it may be bumped during transportation. Since there are many reinforcing columns 6, if one is bumped and becomes crooked during transportation, it cannot be aligned with the reinforcing slot 5 during installation, making it impossible to splice the support plate 1 together.

[0047] The trigger column unit 7 comprises a trigger column 701 with its top end located in the connecting groove 4, a main sleeve 702 sleeved on the bottom end of the trigger column 701, a sub sleeve 703 sleeved on the bottom end of the reinforcing column 6, and a hydraulic pipe 704 for connecting the main sleeve 702 and the sub sleeve 703. Referring to Figures 6-8 When the connecting column 3 is installed into the connecting groove 4, the trigger column 701 is pushed inward and moves inward. When the main sleeve 702 moves inward, the trigger column 701 pushes the liquid in the hydraulic pipe 704 to the sub sleeve 703, thereby pushing the reinforcing column 6 outward to be engaged with the reinforcing groove 5.

[0048] The trigger column unit 7 further comprises a stop groove 705 arranged on the side of the trigger column 701, and a stop column unit 8 for engaging the stop groove 705. Referring to Figures 9-10 The stop groove 705 is arranged on the side of the outer end of the trigger column 701. When the trigger column 701 moves downward, the stop groove 705 moves downward together until it reaches the same height as the stop column unit 8. At this time, the stop column unit 8 loses the restriction of the side of the trigger column 701, and then pops out and is engaged with the stop groove 705. When the trigger column 701 is engaged with the stop groove 705, the trigger column 701 remains in the pressed state, thereby keeping the reinforcing column 6 in the protruding state, i.e. achieving the fixing effect of the reinforcing column 6.

[0049] The stop column unit 8 comprises a stop column 801 for engaging the stop groove 705, and a stop spring 802 for pushing the stop column 801 outward. Referring to Figures 11-12 When the stop groove 705 and the stop column 801 are at the same height, the stop spring 802 pushes and is engaged into the stop groove 705 under the pushing force.

[0050] In a preferred embodiment, the stop spring 802 is sleeved on the stop column 801, and the stop column 801 is provided with a leverage block for pushing the stop spring 802. The stop spring 802 can drive the stop column 801 to move outward by pushing the leverage block. This design has the advantage of saving installation space.

[0051] The support structure further comprises a pressing column unit 9 for moving the stop column 801 inward. The pressing column unit 9 moves to drive the stop column 801 to move inward against the elastic force of the stop spring 802, thereby making the stop column 801 and the stop groove 705 disengage, and releasing the engagement of the trigger column 701, thereby releasing the fixing effect of the reinforcing column 6.

[0052] The stopper column unit 8 further comprises an inclined groove 803 arranged on the stopper column 801; the bottom of the inclined groove 803 is inclined outward along the direction of the stopper spring 802; the pressing-down column unit 9 comprises a pressing-down column 901, an inclined block 902 arranged at the bottom end of the pressing-down column 901 and installed in the inclined groove 803; the inclined block 902 is consistent with the slope of the inclined groove 803. Reference Figures 11-12 When the pressing-down column 901 is pressed down, the inclined block 902 extrudes the inclined groove 803 inward, thereby moving inward against the elastic force of the stopper spring 802.

[0053] The pressing-down column unit 9 further comprises a receiving spring 903 for lifting the pressing-down column 901 inward. The elastic force of the receiving spring 903 is smaller than that of the stopper spring 802, and the receiving spring 903 cannot drive the stopper column 801 to move inward against the elastic force of the stopper spring 802 without external force on the pressing-down column 901. The function of the receiving spring 903 is to keep the pressing-down column 901 in the receiving state all the time without falling outward when the support plate 1 is not installed.

[0054] The pressing-down column unit 9 further comprises a first fixing bolt hole 904 arranged on the top end of the pressing-down column 901; the support structure further comprises a locking plate unit 10 arranged on the support plate 1 and used for connecting the first fixing bolt hole 904, and an ejection column unit 11 arranged in the reinforcing groove 5 and used for lifting the locking plate unit 10 outward. Figures 13-14 When the reinforcing column 6 is inserted into the reinforcing groove 5, the ejection column 1101 in the ejection column unit 11 is lifted inward. Figure 15 The ejection column unit 11 is similar in structure to the stopper column unit 8, and the locking plate unit 10 is similar in structure to the pressing-down column unit 9. When the ejection column 1101 moves inward, the lifting block 1002 is lifted upward through the ejection groove 1103, thereby ejecting the locking plate 1001. At this time, the second fixing bolt hole 1004 on the locking plate 1001 and the first fixing bolt hole 904 on the pressing-down column 901 are at the same height, and a fixing bolt can be used to fix them together, with the lower end of the fixing bolt resting on the top surface of the support plate 1. In the presence of the fixing bolt, the two support plates 1 are firmly locked together. Moreover, the pressing-down column 901 and the locking plate 1001 cannot be withdrawn downward, thereby making the reinforcing column 6 firmly inserted into the reinforcing groove 5.

[0055] In summary, the installation method of the support structure is as follows:

[0056] S1. Select an appropriate number of flat plate assemblies according to the required support area of the pile driver;

[0057] S2. Place the support plates 1 side by side and insert the connecting columns 3 into the connecting grooves 4;

[0058] S3. Use the fixing pin to fix the first fixing pin hole 904 and the second fixing pin hole 1004 together;

[0059] S4. Install the pile driver on the fixing surface.

[0060] The disassembly method of the support structure is as follows:

[0061] S1. Disassemble the pile driver from the fixing surface;

[0062] S2. Disassemble the fixing pin from the first fixing pin hole 904 and the second fixing pin hole 1004;

[0063] S3. Press down the ejection column 1101 and the pressing column 901 to unlock the support plate 1;

[0064] S4. Store the disassembled support plate 1;

[0065] In addition, the same or similar reference numerals are used in the drawings and the description to refer to the same or similar parts or steps as far as possible. The drawings are presented in a simplified form and are not drawn to scale. Directional terms such as top, bottom, left, right, upward, above, upper, lower, below, under, rear, and front can be used in the drawings for the convenience and clarity only. These and similar directional terms are not to be construed as limiting the scope of the disclosure in any way.

Claims

1. A pile driver support structure based on static drill root pile technology, the support structure is formed by splicing several flat plate assemblies, characterized in that, The flat plate assembly comprises a support plate (1), a fixed surface provided on the top surface of the support plate (1), a connecting column (3) and a connecting groove (4) provided on the side surface of the support plate (1), the connecting column (3) and the connecting groove (4) are respectively provided on the opposite side surfaces of the support plate (1), a reinforcing groove (5) is provided on the side surface of the support plate (1) on one side of the connecting column (3), a reinforcing column (6) for being inserted into the reinforcing groove (5) is provided on the side surface of the support plate (1) on one side of the connecting groove (4), a trigger column unit (7) is provided in the connecting groove (4) and is used for pushing out the reinforcing column (6) outward, the trigger column unit (7) comprises a trigger column (701) with a top end in the connecting groove (4), a main sleeve (702) sleeved on the bottom end of the trigger column (701), a branch sleeve (703) sleeved on the bottom end of the reinforcing column (6), and a hydraulic pipe (704) for connecting the main sleeve (702) and the branch sleeve (703), the trigger column unit (7) further comprises a stop groove (705) provided on the side of the trigger column (701), and further comprises a stop column unit (8) for clamping the stop groove (705), the stop column unit (8) comprises a stop column (801) for clamping the stop groove (705) and a stop spring (802) for lifting the stop column (801) outward, and the support structure further comprises a pressing column unit (9) for moving the stop column (801) inward.

2. A pile driver support structure based on static drill root pile technology according to claim 1, characterized in that, The stop column unit (8) further comprises an inclined groove (803) provided on the stop column (801), and the pressing column unit (9) comprises a pressing column (901) and an inclined block (902) provided on the bottom end of the pressing column (901) and installed in the inclined groove (803).

3. A pile driver support structure based on static drill root pile technology according to claim 1, characterized in that, The pressing column unit (9) further comprises a receiving spring (903) for lifting the pressing column (901) inward.

4. The pile driver support structure based on static drill root pile technology according to claim 2, characterized in that, The pressing column unit (9) further comprises a first fixing bolt hole (904) provided on the top end of the pressing column (901), the support structure further comprises a locking plate unit (10) provided on the support plate (1) and used for connecting the first fixing bolt hole (904), and a ejection column unit (11) provided in the reinforcing groove (5) and used for lifting the locking plate unit (10) outward.

5. A pile driver support structure based on static drill root pile technology according to claim 4, characterized in that, The locking plate unit (10) comprises a locking plate (1001), a lifting block (1002) provided on the bottom of the locking plate (1001), an unlocking spring (1003) for lifting the locking plate (1001) inward, and a second fixing bolt hole (1004) provided on the top end of the locking plate (1001), the ejection column unit (11) comprises an ejection column (1101) with a top end protruding into the reinforcing groove (5), an ejection spring (1102) for lifting the ejection column (1101) outward, and an ejection groove (1103) provided on the ejection column (1101) and used for lifting the ejection column (1101) outward.

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