Prefabricated pipe pile construction auxiliary supporting device

Abstract

The invention relates to the technical field of prefabricated pipe pile construction, in particular to an auxiliary supporting device for prefabricated pipe pile construction. Comprising a crane and a supporting pile connected with the crane through a sling, a first auxiliary supporting mechanism, a second auxiliary supporting mechanism and a piling mechanism used for impacting a tubular pile are arranged on the left side of the supporting pile, and the piling mechanism comprises a guiding assembly and an impacting assembly. In the piling process, the pipe pile is supported through the first auxiliary supporting plate and the second auxiliary supporting plate at the same time, then the first auxiliary supporting plate descends synchronously along with descending of the pipe pile, auxiliary supporting of the pipe pile is kept, and therefore the pipe pile is effectively prevented from deviating due to uneven stress or the counter-force effect of soil in the piling process; the two-stage supporting mechanism ensures that the pipe pile can keep high perpendicularity, meanwhile, the perpendicularity of the pipe pile does not need to be frequently measured in the piling process, and the piling efficiency can be greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated pipe pile construction, and more specifically, to an auxiliary supporting device for prefabricated pipe pile construction. Background Art

[0002] Prefabricated pipe piles are a common foundation reinforcement material, mainly used to improve the bearing capacity and stability of the building foundation. They are hollow concrete pipe piles prefabricated in the factory and driven into the soil by a pile driver at the construction site. It is very important to provide vertical auxiliary support for prefabricated concrete pipe piles during the piling construction process. Through vertical auxiliary support, the verticality of the pipe piles can be ensured, the bearing capacity of the pipe piles can be improved, the construction quality can be guaranteed, the structural safety can be enhanced, the subsequent construction can be facilitated, and the complex geological conditions can be adapted and the construction risks can be reduced.

[0003] At present, the piling process of prefabricated pipe piles generally includes: site preparation, installation of pile drivers, hoisting and positioning of prefabricated pipe piles, piling, inspection and acceptance, and subsequent processing. In the piling process, after the pile head of the prefabricated pipe pile is inserted into the pile position, the hammer is first raised to lightly press and tap several times to make the prefabricated pipe pile sink into the soil to a certain depth. Then, the verticality of the pile body is corrected in both directions by visual inspection, plumb bob or theodolite. Then, the pile head is raised a short distance to perform short-drop hitting. The hitting and verticality measurement operations are repeated several times until the pile body is partially inserted into the soil, and then the pile head is fully raised for long-drop hitting. However, the current piling method still has the following defects:

[0004] At present, in the process of piling, due to the lack of auxiliary support, the pipe piles are easily offset due to uneven force or soil reaction force, making it difficult to ensure verticality. Therefore, in the early stage of piling, construction workers need to frequently use tools such as theodolite to measure and adjust the verticality of the pipe piles, so as to make timely corrections after the pipe piles are offset. This not only increases the difficulty and complexity of construction, but also reduces construction efficiency. Summary of the invention

[0005] The invention provides a prefabricated pipe pile construction auxiliary support device, which solves the technical problem in the prior art that due to the lack of auxiliary support during the piling process, verticality measurement and correction need to be frequently performed in the early stage of piling, resulting in reduced piling efficiency.

[0006] The present invention provides an auxiliary support device for prefabricated pipe pile construction, comprising a crane and a support pile connected to the crane through a sling, wherein a first auxiliary support mechanism, a second auxiliary support mechanism and a pile driving mechanism for impacting the pipe pile are arranged on the left side of the support pile, wherein the pile driving mechanism comprises a guide assembly and an impact assembly, wherein the first auxiliary support mechanism comprises a support assembly 1 and a reset assembly for controlling the support assembly 1 to be reset, wherein the second auxiliary support mechanism comprises a support assembly 2 and a drive assembly for driving the support assembly 2, and wherein the impact assembly comprises a mounting cylinder.

[0007] The support component 1 includes two hinged seats symmetrically installed on the left and right sides of the lower end of the mounting tube, an L-shaped plate is hinged on the hinged seat, and an auxiliary support plate 1 for auxiliary support of the pipe pile is fixedly installed on the opposite side of the two L-shaped plates. The reset component includes several fixed sleeves fixedly mounted on the outside of the supporting pile and several torsion springs arranged at the hinge of the hinged seat and the L-shaped plate. The left and right sides of the several fixed sleeves are symmetrically fixed with mounting plates 1, and reset frames are commonly installed between the front ends of the left mounting plate 1 and the front ends of the right mounting plate 1. Reset grooves are provided on the two reset frames that are symmetrical on the left and right and on the opposite sides, and sliding steel balls slidably connected to the corresponding reset grooves are fixedly installed on the opposite sides of the two L-shaped plates.

[0008] Furthermore, the support component 2 includes a fixed sleeve 2 which is fixedly mounted on the outside of the support pile, and mounting plates 2 are symmetrically installed on the left and right sides of the fixed sleeve 2. A hydraulic cylinder is fixedly installed on the front end of the left mounting plate 2, and a return spring is fixedly installed on the front end of the right mounting plate 2.

[0009] Furthermore, the front end of the reset spring and the output end of the hydraulic cylinder are fixedly installed with an auxiliary support plate 2, the auxiliary support plate 2 is located between the mounting plates 2 and in front of the fixed sleeve 2, and the right end of the right auxiliary support plate 2 is fixedly installed with a limit rod that slides through the right mounting plate 2, and the reset spring sleeve is arranged on the outside of the limit rod.

[0010] Furthermore, the driving assembly includes a fixed pulley 1 fixedly mounted on the front end of the left mounting plate 2 close to the fixed sleeve 2 and a fixed pulley 2 fixedly mounted on the rear end of the left mounting plate 2. A pull plate is fixedly mounted on the left auxiliary support plate 2, and a reset plate is fixedly mounted on the right end of the limit rod.

[0011] Furthermore, a pull rope is wound around fixed pulley one and fixed pulley two, and both ends of the pull rope are fixedly connected to the pull plate and the reset plate respectively. A reinforcing rod that slides through the right side mounting plate two is fixedly installed on one side of the reset plate close to the fixed sleeve two.

[0012] Furthermore, the guide assembly includes two support plates fixedly installed on the front side of the support piles and symmetrically arranged in the upper and lower parts, and two guide columns 1 fixedly installed between the two support plates. The two guide columns 1 are slidably connected to each other, and two guide columns 2 are fixedly installed in a left-right symmetrical manner at the bottom of the guide plates. The mounting tube is fixedly installed between the lower ends of the two guide columns 2 and slidably connected between the two guide columns 1.

[0013] Furthermore, the impact assembly includes an impact head and a hanging plate both slidably connected between two guide columns 2, an electromagnet adsorbed to the impact head is fixedly mounted at the bottom of the hanging plate, and the top of the hanging plate is fixedly connected to the sling.

[0014] Furthermore, a concentric fixing tube is fixedly installed on the inner wall of the mounting tube, and an impact platform for bearing the impact force of the impact head is fixedly installed in the fixing tube. The impact head is located in the mounting tube and is concentric with it. The bottom of the impact head abuts against the top of the impact platform, and under the limit of the mounting tube, the impact head always remains in a vertical state, and a pile driving head is fixedly installed on the bottom of the fixing tube.

[0015] Furthermore, the piling mechanism also includes a lateral shock absorbing assembly arranged in the mounting tube, and the lateral shock absorbing assembly includes a buffer rubber ring fixedly mounted on the outside of the impact platform and with the bottom abutting against the top of the fixing tube.

[0016] Furthermore, a plurality of lateral damping springs distributed in a circumference and fixedly connected to the outer annular wall of the fixing cylinder are fixedly installed on the inner wall of the fixing cylinder.

[0017] Furthermore, the reset groove is composed of a vertical section and an arc section extending outward from top to bottom. A connecting plate is installed at the lower end of the second mounting plate. A support rod for limiting the L-shaped plate is installed at the top of the opposite end of the connecting plate. The support rod is located obliquely below the corresponding reset groove.

[0018] The beneficial effects of the present invention are:

[0019] 1. During piling, the pipe pile is supported by auxiliary support plates 1 and 2 at the same time. Then, as the pipe pile descends, auxiliary support plate 1 descends synchronously to maintain auxiliary support for the pipe pile. When most of the pipe pile is inserted into the ground and its stability is enhanced, auxiliary support plate 1 is reset to release support for the pipe pile. When the pipe pile is about to be completely inserted into the ground, auxiliary support plate 2 is reset to release support for the pipe pile, thereby effectively avoiding the displacement of the pipe pile due to uneven force or soil reaction during the piling process. The two-level support mechanism ensures that the pipe pile can maintain a high verticality. At the same time, there is no need to frequently measure the verticality of the pipe pile during the piling process, which is conducive to greatly improving the piling efficiency.

[0020] 2. The auxiliary support plate maintains auxiliary support for the pipe pile as the pipe pile descends to prevent the pipe pile from shifting during the piling process, and the auxiliary support of the auxiliary support plate on the pipe pile is released in time to prevent the auxiliary support plate from continuing to move downward and causing obstruction to the piling mechanism. At the same time, when the auxiliary support plate is reset, it means that most of the pipe pile has been inserted into the ground. At this time, its stability has been significantly improved, and the first-level auxiliary support can be released, thereby greatly improving the piling stability and the verticality of the pipe pile.

[0021] 3. When the top of the pipe pile is about to approach the auxiliary support plate 2, the two auxiliary support plates 2 are controlled to release the auxiliary support for the pipe pile, thereby avoiding the installation tube from colliding with the auxiliary support plate 2 during the downward movement of the pile driving mechanism. At the same time, when the top of the pipe pile is close to the auxiliary support plate 2, it means that the pipe pile has been basically inserted into the ground, and its stability is further significantly improved. Therefore, the auxiliary support plate 2 can be reset in time.

[0022] 4. By using the buffer rubber ring and lateral damping spring as impact energy absorption devices, the lateral impact force generated when the impact head falls can be effectively absorbed, reducing the impact of the lateral impact force on the guide assembly, thereby avoiding damage to the guide assembly due to excessive impact, resulting in a decrease in the service life of the guide assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0024] Figure 2 It is a partial three-dimensional structural schematic diagram of the support piles, pipe piles, slings, pile driving mechanism, first auxiliary support mechanism and second auxiliary support mechanism of the present invention.

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the support plate, guide column 1 and support pile part of the present invention.

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the support component 1 and the reset component of the present invention.

[0027] Figure 5 It is a partial three-dimensional structural schematic diagram of the impact assembly and the guide assembly of the present invention.

[0028] Figure 6 It is a partial three-dimensional structural cross-sectional view of the impact assembly and the lateral shock absorbing assembly of the present invention.

[0029] Figure 7 It is a partial three-dimensional structural schematic diagram of the second auxiliary support mechanism of the present invention.

[0030] In the figure: 1, crane; 2, supporting pile; 3, pipe pile; 4, sling; 5, pile driving mechanism; 6, first auxiliary support mechanism; 7, second auxiliary support mechanism; 501, guide assembly; 502, impact assembly; 503, lateral shock absorbing assembly; 5011, support plate; 5012, guide column 1; 5013, guide plate; 5014, guide column 2; 5021, installation tube; 5022, impact head; 5023, hanging plate; 5024, fixing tube; 5025, impact platform; 5026, pile driving head; 5027, electromagnet; 5031, buffer rubber ring; 5032, lateral damping spring; 601, support assembly 1; 602, reset group Components; 6011, hinged seat; 6012, L-shaped plate; 6013, auxiliary support plate 1; 6021, fixing sleeve 1; 6022, mounting plate 1; 6023, reset frame; 6024, reset groove; 6025, sliding steel ball; 6026, torsion spring; 701, support component 2; 702, drive component; 7011, fixing sleeve 2; 7012, mounting plate 2; 7013, auxiliary support plate 2; 7014, reset spring; 7015, hydraulic cylinder; 7016, limit rod; 7017, pull plate; 7021, fixed pulley 1; 7022, fixed pulley 2; 7023, reset plate; 7024, pull rope; 7025, reinforcement rod. DETAILED DESCRIPTION

[0031] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is to enable those skilled in the art to better understand and implement the subject matter described herein. The functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the present specification. Various examples may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples.

[0032] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 A prefabricated pipe pile construction auxiliary support device includes a crane 1 and a support pile 2 connected to the crane 1 through a sling 4. When the device is working, the support pile 2 is fixed to the ground through the existing fixing technology. The left side of the support pile 2 is provided with a first auxiliary support mechanism 6, a second auxiliary support mechanism 7 and a pile driving mechanism 5 for impacting the pipe pile 3. The pile driving mechanism 5 includes a guide component 501 and an impact component 502. The first auxiliary support mechanism 6 includes a support component 1 601 and a reset component 602 for controlling the support component 1 601 to reset. The second auxiliary support mechanism 7 includes a support component 2 701 and a drive component 702 for driving the support component 2 701. The impact component 502 includes a mounting cylinder 5021.

[0033] See also Figure 3 , Figure 5 and Figure 6 The guide assembly 501 includes two support plates 5011 fixedly installed on the front side of the support pile 2 and symmetrically arranged in the upper and lower parts, and two guide columns 5012 fixedly installed between the two support plates 5011. A guide plate 5013 is slidably connected to the two guide columns 5012. Two guide columns 5014 symmetrically arranged in the upper and lower parts are fixedly installed at the bottom of the guide plate 5013. The mounting tube 5021 is fixedly installed between the lower ends of the two guide columns 5014 and slidably connected between the two guide columns 5012.

[0034] See also Figure 1 and Figure 7 The supporting component 2 701 includes a fixing sleeve 2 7011 fixedly mounted on the outside of the supporting pile 2, and mounting plates 7012 are symmetrically mounted on the left and right sides of the fixing sleeve 7011. A hydraulic cylinder 7015 is fixedly mounted on the front end of the left mounting plate 7012, and a return spring 7014 is fixedly mounted on the front end of the right mounting plate 7012.

[0035] See also Figure 7 The front end of the reset spring 7014 and the output end of the hydraulic cylinder 7015 are fixedly installed with an auxiliary support plate 7013. The auxiliary support plate 7013 is located between the mounting plates 7012 and in front of the fixed sleeve 7011. The right end of the right auxiliary support plate 7013 is fixedly installed with a limit rod 7016 that slides through the right mounting plate 7012. The reset spring 7014 is sleeved on the outside of the limit rod 7016.

[0036] See also Figure 7 The driving assembly 702 includes a fixed pulley 7021 fixedly mounted on the front end of the left mounting plate 7012 close to the fixed sleeve 7011 and a fixed pulley 7022 fixedly mounted on the rear end of the left mounting plate 7012. A pull plate 7017 is fixedly mounted on the left auxiliary support plate 7013. A reset plate 7023 is fixedly mounted on the right end of the limiting rod 7016.

[0037] See also Figure 7 A pull rope 7024 is wound around the fixed pulley 1 7021 and the fixed pulley 2 7022. Both ends of the pull rope 7024 are fixedly connected to the pull plate 7017 and the reset plate 7023 respectively. A reinforcing rod 7025 that slides through the right side mounting plate 2 7012 is fixedly installed on one side of the reset plate 7023 close to the fixed sleeve 2 7011.

[0038] When in use, the hydraulic cylinder 7015 is started, and the output of the hydraulic cylinder 7015 pushes the auxiliary support plate 2 7013 on the left to move rightward close to the pipe pile 3. At the same time, the auxiliary support plate 2 7013 on the left will also synchronously drive the pull plate 7017 to move during the movement, so that the pull rope 7024 is pulled to the right through the pull plate 7017. At the same time, the pulling direction of the pull rope 7024 to the right will be transformed into a pulling force to pull the reset plate 7023 to the left under the action of the fixed pulley 1 7021 and the fixed pulley 2 7022. , thereby pulling the reset plate 7023 to move leftward, and at the same time stretching the reset spring 7014, so that the reset plate 7023 pushes the auxiliary support plate 2 7013 on the right side to move leftward through the limiting rod 7016, so that the two auxiliary support plates 2 7013 are synchronously close to and abut against each other, providing auxiliary support for the pipe pile 3, increasing the force points of the pipe pile 3, and thus effectively dispersing the lateral force generated by the pipe pile 3 when it is impacted during the piling process, thereby enhancing the stability of the pipe pile 3 and avoiding the deviation of the pipe pile 3 during the piling process.

[0039] When the top of the downwardly moved pipe pile 3 is about to approach the auxiliary support plate 2 7013, the output end of the hydraulic cylinder 7015 contracts, driving the auxiliary support plate 2 7013 on the left to move to the left and away from the pipe pile 3. At the same time, the auxiliary support plate 2 7013 will also synchronously drive the pulling plate 7017 to move to the left during the movement of the pulling plate 7017. During the movement of the pulling plate 7017, the tension on the pull rope 7024 gradually decreases. At the same time, the resilience of the reset plate 7023 drives the reset plate 7023 to move away from the pipe pile 3, thereby driving the auxiliary support plate 2 7013 on the right to move away from the pipe pile 3, so that the two auxiliary support plates 2 7013 are synchronously reset away from the pipe pile 3, thereby releasing the second-level auxiliary support for the pipe pile 3. Then, the piling mechanism 5 continues to impact the pipe pile 3 downward. Avoid the auxiliary support plate 2 7013 from blocking the downward movement of the pile driving mechanism 5. At the same time, when the top of the pipe pile 3 is close to the auxiliary support plate 2 7013, it means that the pipe pile 3 has been basically inserted into the ground. At this time, its stability has been significantly improved, and the demand for auxiliary support has been reduced. The auxiliary support plate 2 7013 can be reset in time to avoid the pile driving mechanism 5 from colliding with the auxiliary support plate 2 7013 during the downward movement.

[0040] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 The support assembly 601 includes two hinged seats 6011 symmetrically installed on the left and right sides of the lower end of the installation tube 5021, and an L-shaped plate 6012 is hinged on the hinged seat 6011. Auxiliary support plates 6013 for auxiliary support of the pipe pile 3 are fixedly installed on the opposite sides of the two L-shaped plates 6012, and the diameter of the circular structure composed of the two auxiliary support plates 6013 is slightly larger than the diameter of the pipe pile 3.

[0041] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 7 The reset assembly 602 includes a plurality of fixed sleeves 6021 fixedly sleeved on the outside of the support pile 2 and a plurality of torsion springs 6026 arranged at the hinge of the hinge seat 6011 and the L-shaped plate 6012. The plurality of fixed sleeves 6021 are symmetrically fixedly installed with mounting plates 6022 on both sides. A reset frame 6023 is commonly installed between the front ends of the left mounting plate 6022 and the front ends of the right mounting plate 6022. The two reset frames 6023 are symmetrical and A reset groove 6024 is provided on each opposite side, and a sliding steel ball 6025 slidably connected to the corresponding reset groove 6024 is fixedly installed on the opposite side of the two L-shaped plates 6012. The reset groove 6024 is composed of a vertical section and an arc section extending outward from top to bottom. A connecting plate is installed at the lower end of the second mounting plate 7012, and a support rod for limiting the L-shaped plate 6012 is installed on the top of the opposite end of the connecting plate, and the support rod is located obliquely below the corresponding reset groove 6024.

[0042] When used specifically, during the piling process, as the pipe pile 3 is continuously lowered, the installation cylinder 5021 is also continuously lowered synchronously, and the installation cylinder 5021 will drive the hinge seat 6011 to move downward during the lowering process, thereby driving the L-shaped plate 6012 to move downward, and during the lowering process of the L-shaped plate 6012, the sliding steel ball 6025 will slide synchronously in the vertical section of the reset groove 6024, and at the same time, the auxiliary support plate 1 6013 will be lowered synchronously to maintain the auxiliary support for the pipe pile 3, so as to prevent the pipe pile 3 from deflecting during the piling process. 24 and continues to slide, the torsion spring 6026 gradually drives the L-shaped plate 6012 to rotate toward the side away from the pipe pile 3, thereby driving the auxiliary support plate 1 6013 to rotate toward the side away from the pipe pile 3 to reset, thereby releasing the first level of auxiliary support for the pipe pile 3, and preventing the auxiliary support plate 1 6013 from blocking the pile driving mechanism 5 from continuing to move downward. At the same time, when the auxiliary support plate 1 6013 is reset, it means that most of the pipe pile 3 has been inserted into the ground. At this time, its stability is significantly improved, and the first level of auxiliary support can be revoked.

[0043] See also Figure 1 , Figure 2 , Figure 5 and Figure 6The impact assembly 502 includes an impact head 5022 and a hanging plate 5023, both of which are slidably connected between two guide columns 5014. An electromagnet 5027 that is attracted to the impact head 5022 is fixedly installed at the bottom of the hanging plate 5023. The top of the hanging plate 5023 is fixedly connected to the sling 4. A concentric fixed cylinder 5024 is fixedly installed on the inner wall of the installation cylinder 5021. An impact receiving platform 5025 that withstands the impact force of the impact head 5022 is fixedly installed in the fixed cylinder 5024. The impact head 5022 is located in the installation cylinder 5021 and is concentric with it. The bottom of the impact head 5022 contacts the top of the impact receiving platform 5025, and a pile driving head 5026 is fixedly installed at the bottom of the fixed cylinder 5024. Under the limit of the installation cylinder 5021, the impact head 5022 always remains in a vertical state.

[0044] See also Figure 5 and Figure 6 The piling mechanism 5 also includes a lateral shock absorbing assembly 503 arranged in the mounting tube 5021, and the lateral shock absorbing assembly 503 includes a buffer rubber ring 5031 fixedly mounted on the outside of the impact platform 5025 and the bottom of which abuts against the top of the fixed tube 5024, and a plurality of lateral damping springs 5032 distributed in a circle and fixedly connected to the outer ring wall of the fixed tube 5024 are fixedly mounted on the inner wall of the mounting tube 5021.

[0045] During specific use, the guide plate 5013 is initially in contact with the hanging plate 5023, and the guide plate 5013 is hoisted at the uppermost end of the guide column 5012 with the cooperation of the sling 4 and the hanging plate 5023, and the sliding steel ball 6025 is located in the vertical section of the reset groove 6024, and the electromagnet 5027 is not connected to the impact head 5022. During operation, the pipe pile 3 to be installed is clamped and limited by the auxiliary support plate 7013 so that the pipe pile 3 is located directly below the impact head 5022. Then, the verticality of the pipe pile 3 is corrected in both the vertical and horizontal directions by the theodolite. Then, the sling 4 slowly lowers the hanging plate 5023. As the hanging plate 5023 moves downward, the guide plate 5013, the guide column 5014, the installation tube 5021, the impact head 5022, the impact platform 5025, the pile driving head 5026, the fixing tube 5024, and the support assembly 601 move downward as a whole under the action of gravity. The circular structure composed of the corresponding two auxiliary support plates 6013 is sleeved on the outside of the pipe pile 3 and moves downward along the pipe pile 3 to provide auxiliary support for the pipe pile 3. Finally, the bottom of the pile driving head 5026 is pressed on the top of the pipe pile 3 and does not move downward temporarily. Next, the hanging plate 5023 continues to move downward, so that the electromagnet 5027 fits with the impact head 5022, and then the electromagnet 5027 is energized to make the electromagnet 5027 and the impact head 5022 attract each other, and then the hanging plate 5023 is pulled upward by the sling 4, thereby driving the impact head 5022 to move upward a short distance, and then the electromagnet 5027 is powered off. At this time, the impact head 5022 falls rapidly under the action of gravity and collides with the impact platform 5025, so that the pile driving head 5026 impacts the pipe pile 3 to achieve the effect of short-drop hitting, so that the pipe pile 3 is inserted into the ground, and the guide plate 5013, the guide column 2 5014, the installation tube 5021, the impact head 5022, the impact platform 5025, the pile driving head 5026, the fixing tube 5024, and the support assembly 1 601 move synchronously with the pipe pile 3 as a whole, and the bottom of the pile driving head 5026 remains in contact with the top of the pipe pile 3. Next, the sling 4 lowers the hanging plate 5023 again, so that the electromagnet 5027 fits with the impact head 5022, and then the electromagnet 5027 is energized to make the electromagnet 5027 and the impact head 5022 mutually attract each other, and then the hanging plate 5023 is pulled upward by the sling 4, thereby driving the impact head 5022 to move a long distance, and then the electromagnet 5027 is powered off, and the impact head 5022 falls rapidly under the action of gravity and collides with the impact receiving platform 5025, so that the pile driving head 5026 impacts the pipe pile 3 to perform a long drop distance strike. In the above manner, the impact of the impact head 5022 on the pipe pile 3 is repeated continuously to complete the pile driving operation.

[0046] When the impact head 5022 impacts the impact platform 5025 during the piling process, the buffer rubber ring 5031 and the lateral damping spring 5032 will absorb the lateral impact force, thereby preventing the lateral impact force from causing a large impact on the guide component 501 and reducing the service life of the guide component 501.

[0047] The operating principle of the present invention is now described as follows:

[0048] Initially, the guide plate 5013 is in contact with the hanging plate 5023. The guide plate 5013 is hoisted at the uppermost end of the guide column 5012 with the cooperation of the sling 4 and the hanging plate 5023. The sliding steel ball 6025 is located in the vertical section of the reset groove 6024, and the electromagnet 5027 is not connected to the impact head 5022.

[0049] The first step: start the hydraulic cylinder 7015 to make the two auxiliary support plates 7013 approach and abut synchronously, clamp and limit the pipe pile 3 to be installed and make the pipe pile 3 directly under the impact head 5022, and then use the theodolite to calibrate the verticality of the pipe pile 3 in both vertical and horizontal directions.

[0050] Step 2: Slowly lower the hanging plate 5023 through the sling 4. As the hanging plate 5023 moves downward, the guide plate 5013, the guide column 5014, the installation tube 5021, the impact head 5022, the impact platform 5025, the pile driving head 5026, the fixed tube 5024, and the support assembly 601 move downward as a whole under the action of gravity. The corresponding circular structure composed of two auxiliary support plates 6013 is sleeved on the outside of the pipe pile 3 and moves downward along the pipe pile 3 to provide auxiliary support for the pipe pile 3. Finally, the bottom of the pile driving head 5026 is pressed on the top of the pipe pile 3 and does not move downward temporarily.

[0051] Step 3: The hanging plate 5023 continues to move downward, so that the electromagnet 5027 fits with the impact head 5022, and then the electromagnet 5027 is energized to make the electromagnet 5027 and the impact head 5022 attract each other, and then the hanging plate 5023 is pulled upward by the sling 4, thereby driving the impact head 5022 to move upward a short distance, and then the electromagnet 5027 is powered off. At this time, the impact head 5022 falls rapidly under the action of gravity and collides with the impact platform 5025, so that the pile driving head 5026 impacts the pipe pile 3 to achieve the effect of short-drop hitting, so that the pipe pile 3 is inserted into the ground, and the guide plate 5013, the guide column 2 5014, the installation tube 5021, the impact head 5022, the impact platform 5025, the pile driving head 5026, the fixing tube 5024, and the support assembly 1 601 move synchronously with the pipe pile 3 as a whole, and the bottom of the pile driving head 5026 remains in contact with the top of the pipe pile 3.

[0052] Step 4: The sling 4 lowers the hanging plate 5023 again, so that the electromagnet 5027 fits with the impact head 5022, and then continues to energize the electromagnet 5027, so that the electromagnet 5027 and the impact head 5022 are attracted to each other, and then the hanging plate 5023 is pulled upward by the sling 4, thereby driving the impact head 5022 to move a long distance, and then the electromagnet 5027 is powered off, and the impact head 5022 falls rapidly under the action of gravity and collides with the impact receiving platform 5025, so that the pile driving head 5026 impacts the pipe pile 3 to perform a long drop distance strike. In the above manner, the impact of the impact head 5022 on the pipe pile 3 is repeated continuously to complete the pile driving operation;

[0053] During the piling process, as the pile 3 continues to descend, the installation cylinder 5021 also descends synchronously. During the descent of the installation cylinder 5021, the hinge seat 6011 and the L-shaped plate 6012 are driven to move downward. When the sliding steel ball 6025 slides to the arc section of the reset groove 6024 and continues to slide, the L-shaped plate 6012 rotates away from the pile 3, the torsion spring 6026 twists, and the L-shaped plate 6012 drives the auxiliary support plate 1 6013 to rotate synchronously away from the pile 3, thereby releasing the first level of auxiliary support for the pile 3. When the arc segment of the L-shaped plate 6012 is separated, the L-shaped plate 6012 drives the auxiliary support plate 1 6013 to rotate downward under the torsion force of the torsion spring 6026, but the L-shaped plate 6012 stops rotating after hitting the support rod. At this time, there is an angle (the angle is greater than 60 degrees) between the L-shaped plate 6012 and the installation tube 5021. The pile driving head 5026 continues to impact the pipe pile 3. During the period when the installation tube 5021 continues to move downward for a short distance, it is blocked by the support rod. The L-shaped plate 6012 rotates upward around the hinge point between it and the installation tube 5021, and does not block the downward movement of the installation tube 5021. After the pile driving is completed, when the installation tube 5021 moves upward to reset, manual cooperation is required to connect the sliding steel ball 6025 with the arc segment of the reset groove 6024, so that the sliding steel ball 6025 can move upward along the reset groove 6024 to reset.

[0054] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A prefabricated pipe pile construction auxiliary support device, characterized in that: include: A crane (1) and a support pile (2) connected to the crane (1) via a sling (4); a first auxiliary support mechanism (6), a second auxiliary support mechanism (7) and a pile driving mechanism (5) for impacting a pipe pile (3) are arranged on the left side of the support pile (2); the pile driving mechanism (5) comprises a guide assembly (501) and an impact assembly (502); the first auxiliary support mechanism (6) comprises a support assembly 1 (601) and a reset assembly (602) for controlling the support assembly 1 (601) to be reset; the second auxiliary support mechanism (7) comprises a support assembly 2 (701) and a drive assembly (702) for driving the support assembly 2 (701); and the impact assembly (502) comprises a mounting cylinder (5021); The support assembly (601) comprises two hinged seats (6011) symmetrically mounted on the left and right sides of the lower end of the mounting tube (5021), an L-shaped plate (6012) being hingedly mounted on the hinged seats (6011), and auxiliary support plates (6013) for auxiliary support of the pipe pile (3) being fixedly mounted on opposite sides of the two L-shaped plates (6012). The reset assembly (602) comprises a plurality of fixed sleeves (6021) fixedly mounted on the outside of the support pile (2) and a plurality of fixed sleeves (6021) arranged at the hinged joints between the hinged seats (6011) and the L-shaped plates (6012). A dry torsion spring (6026), a plurality of fixing sleeves (6021) are symmetrically fixedly installed with mounting plates (6022) on both sides, a reset frame (6023) is commonly installed between the front ends of the left mounting plate (6022) and the front ends of the right mounting plate (6022), the two reset frames (6023) are symmetrical and have reset grooves (6024) on opposite sides, and sliding steel balls (6025) slidably connected to the corresponding reset grooves (6024) are fixedly installed on the opposite sides of the two L-shaped plates (6012).

2. The auxiliary support device for prefabricated pipe pile construction according to claim 1, characterized in that: The supporting assembly 2 (701) comprises a fixing sleeve 2 (7011) fixedly mounted on the outside of the supporting pile (2), a mounting plate 2 (7012) being symmetrically mounted on the left and right sides of the fixing sleeve 2 (7011), a hydraulic cylinder (7015) being fixedly mounted on the front end of the left mounting plate 2 (7012), and a return spring (7014) being fixedly mounted on the front end of the right mounting plate 2 (7012).

3. The auxiliary support device for prefabricated pipe pile construction according to claim 2 is characterized in that: Auxiliary support plate 2 (7013) is fixedly installed at the front end of the reset spring (7014) and the output end of the hydraulic cylinder (7015); the auxiliary support plate 2 (7013) is located between the mounting plates 2 (7012) and in front of the fixed sleeve 2 (7011); a limit rod (7016) that slides through the right mounting plate 2 (7012) is fixedly installed at the right end of the right auxiliary support plate 2 (7013); the reset spring (7014) is sleeved on the outside of the limit rod (7016).

4. The auxiliary support device for prefabricated pipe pile construction according to claim 3 is characterized in that: The driving assembly (702) comprises a fixed pulley (7021) fixedly mounted on the front end of the left mounting plate (7012) close to the fixed sleeve (7011) and a fixed pulley (7022) fixedly mounted on the rear end of the left mounting plate (7012). A pull plate (7017) is fixedly mounted on the left auxiliary support plate (7013). A reset plate (7023) is fixedly mounted on the right end of the limit rod (7016).

5. The auxiliary support device for prefabricated pipe pile construction according to claim 4, characterized in that: A pull rope (7024) is wound around the first fixed pulley (7021) and the second fixed pulley (7022), and the two ends of the pull rope (7024) are respectively fixedly connected to the pull plate (7017) and the reset plate (7023). A reinforcing rod (7025) that slides through the second right mounting plate (7012) is fixedly installed on one side of the reset plate (7023) close to the second fixed sleeve (7011).

6. The auxiliary support device for prefabricated pipe pile construction according to claim 1, characterized in that: The guide assembly (501) comprises two support plates (5011) fixedly mounted on the front side of the support pile (2) and symmetrical in the upper and lower directions, and two guide pillars (5012) fixedly mounted between the two support plates (5011); a guide plate (5013) is slidably connected to the two guide pillars (5012); two guide pillars (5014) symmetrical in the upper and lower directions are fixedly mounted on the bottom of the guide plates (5013); and the mounting tube (5021) is fixedly mounted between the lower ends of the two guide pillars (5014) and slidably connected between the two guide pillars (5012).

7. The auxiliary support device for prefabricated pipe pile construction according to claim 6, characterized in that: The impact assembly (502) comprises an impact head (5022) and a hanging plate (5023) both of which are slidably connected between two guide pillars (5014); an electromagnet (5027) adsorbed to the impact head (5022) is fixedly mounted on the bottom of the hanging plate (5023); and the top of the hanging plate (5023) is fixedly connected to a sling (4).

8. The auxiliary support device for prefabricated pipe pile construction according to claim 7, characterized in that: A concentric fixing tube (5024) is fixedly installed on the inner wall of the fixing tube (5021), an impact receiving platform (5025) for bearing the impact force of the impact head (5022) is fixedly installed in the fixing tube (5024), the impact head (5022) is located in the fixing tube (5021) and is concentric therewith, the bottom of the impact head (5022) abuts against the top of the impact receiving platform (5025), and under the limit of the fixing tube (5021), the impact head (5022) always maintains a vertical state, and a pile driving head (5026) is fixedly installed at the bottom of the fixing tube (5024).

9. The auxiliary support device for prefabricated pipe pile construction according to claim 8, characterized in that: The piling mechanism (5) further comprises a lateral shock absorbing assembly (503) arranged in the mounting tube (5021), wherein the lateral shock absorbing assembly (503) comprises a buffer rubber ring (5031) fixedly mounted on the outside of the impact receiving platform (5025) and having its bottom abutting against the top of the fixing tube (5024).

10. The auxiliary support device for prefabricated pipe pile construction according to claim 8, characterized in that: A plurality of lateral damping springs (5032) distributed in a circumference and fixedly connected to the outer annular wall of the fixing cylinder (5024) are fixedly mounted on the inner wall of the fixing cylinder (5021).

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