Prestressed pipe pile threading hole pile machine
By designing a pilot hole pile driver for prestressed pipe piles, the problem that existing piling technology is difficult to drive into hard soil layers has been solved, and the convenient combination of pilot equipment and pile driving machines has been realized, allowing the use of the same equipment on the same equipment. Pile pressing and drilling are carried out simultaneously, which shortens the construction time and improves the construction quality.
Patent Information
- Application Number
- CN202421270620.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The existing pile driving technology is difficult to penetrate when encountering hard soil layers, resulting in limited application of prefabricated piles in construction projects, long construction cycle, many equipment, low economic benefits, and sand layer geology is prone to collapse when drilling holes. , The problem of misalignment between prefabricated piles and hole positions is common.
A prestressed pipe pile driving hole pile driver is designed, which includes a support frame, a shift component and a drilling component. It is connected to the pile driver through the support frame. The shift component provides height adjustment and angle adjustment, and the drilling component drives the drill. The rod moves in a vertical direction and is drilled directly down through the middle of the precast pile.
The guide hole equipment can be conveniently installed on the pile driver, so that pile pressing and drilling can be performed simultaneously on the same equipment, shortening the construction time, avoiding the problem of misalignment of prefabricated piles and hole positions, and improving construction efficiency and quality. .
Smart Images
Figure CN222375406U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction, in particular to a prestressed pipe pile boring machine. Background Art
[0002] The existing piling technology is to clamp the pile foundation with the jaws of the pile driver and drive it into the ground by applying pressure. Due to the different layer structures in different places, it is not easy to drive into the ground once a hard soil layer is encountered, so the use of precast piles in construction projects is greatly limited.
[0003] To deal with the above situation, it is usually necessary to use other independent hole-guiding equipment to carry out drilling construction in advance to prepare for the next step of static pile driving. However, this method has a long construction period and requires more than two devices to enter the construction site. The economic benefit is low, and the sand layer geology is prone to collapse during drilling. At the same time, before the pile driving operation, the prefabricated pile needs to be aligned with the hole position in advance, which increases the operation steps and is prone to the problem of misalignment between the prefabricated pile and the hole position, resulting in a low pile driving success rate. Utility Model Content
[0004] The utility model aims to provide a prestressed pipe pile boring machine to solve the above problems and achieve the purpose of enabling the boring equipment to be conveniently installed on the pile driving machine so that pile driving and drilling can be carried out simultaneously on the same equipment.
[0005] To achieve the above purpose, the utility model provides the following solution: a prestressed pipe pile boring machine, comprising:
[0006] A support frame, the support frame being detachably connected to the working platform of the pile driver;
[0007] A shift assembly, the shift assembly comprising a fixed plate fixedly connected to the top of the support frame, a support arm and an adjustment hydraulic cylinder are hinged on the side wall of the fixed plate from top to bottom, the support arm and the adjustment hydraulic cylinder are arranged in parallel, and an angle adjustment member is arranged on the support arm;
[0008] The drilling assembly comprises a vertically arranged lifting frame, the lifting frame is hinged between the support arm and the end of the adjusting hydraulic cylinder away from the fixed plate, and a drill rod is arranged on the lifting frame, and the drill rod penetrates into the ground from the middle of the precast pile.
[0009] Preferably, the angle adjustment member comprises a hydraulic cylinder, and two ends of the hydraulic cylinder are respectively hinged to the bottom of the support arm and the side wall of the fixed plate.
[0010] Preferably, a support platform is fixedly connected to a side of the top of the support frame close to the precast pile, and the top of the support platform is arranged corresponding to the support arm.
[0011] Preferably, a power head is vertically slidably connected to the lifting frame, the drill rod is transmission-connected to the power head, and a height adjustment member is provided between the power head and the lifting frame.
[0012] Preferably, the height adjustment member includes a screw rod vertically rotatably connected to the lifting frame, one end of the screw rod is transmission-connected to a motor, the motor is fixedly connected to the lifting frame, a threaded sleeve is provided on the screw rod, and the power head is fixedly connected to the threaded sleeve.
[0013] Preferably, a connecting seat is fixedly connected to the bottom of the support frame, a plurality of through holes are formed on the connecting seat, and a plurality of fixing bolts respectively penetrate through the plurality of through holes and are fixedly connected to the pile driver.
[0014] Compared with the prior art, the utility model has the following advantages and technical effects: the main function of the support frame is to quickly connect to the pile driver together with the components on its upper part, and provide a working platform of suitable height for the displacement component; the main function of the angle adjustment member is to change the angle between the support arm and the horizontal plane; a parallelogram structure is formed between the support arm, the adjustment hydraulic cylinder, the fixed plate and the lifting frame, and when the support arm rotates upward around the fixed plate, the lifting frame can be lifted up together; the main function of the adjustment hydraulic cylinder is to adjust the lifting frame to a vertical state by adjusting its own length before work; the main function of the lifting frame is to drive the drill rod to move in the vertical direction; the main function of the drill rod is to drill a hole below the precast pile, so as to facilitate the static pressure of the precast pile in place. On the whole, the utility model can make the hole-guiding equipment be quickly installed on the existing pile driver, avoid the situation where there are multiple equipments working on site, and make pile pressing and drilling be carried out simultaneously on the same equipment, which greatly saves construction time. At the same time, because the drill rod directly penetrates the middle of the precast pile and drills downward, the problem of misalignment between the precast pile and the hole position is effectively avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 This is a front view of the working state of the pile boring machine of the utility model;
[0017] Figure 2 It is a schematic diagram of the lifting frame of the pile boring machine of the utility model;
[0018] Figure 3It is a left view of the support frame of the utility model;
[0019] Figure 4 This is a schematic diagram of a support platform and a cushion block according to a second embodiment of the present utility model;
[0020] Among them, 1. pile driver; 2. support frame; 3. fixed plate; 4. support arm; 5. hydraulic cylinder; 6. adjusting hydraulic cylinder; 7. lifting frame; 8. screw rod; 9. threaded sleeve; 10. motor; 11. power head; 12. drill rod; 13. precast pile; 14. support platform; 15. fixing bolt; 16. connecting seat; 17. spacer block; 18. through rod. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0023] Embodiment 1:
[0024] Reference Figure 1-Figure 3 The utility model provides a prestressed pipe pile boring machine, comprising:
[0025] A support frame 2, the support frame 2 is detachably connected to the working platform of the pile driver 1;
[0026] The shift assembly includes a fixed plate 3 fixedly connected to the top of the support frame 2, and the side walls of the fixed plate 3 are respectively hinged with a support arm 4 and an adjustment hydraulic cylinder 6 from top to bottom. The support arm 4 and the adjustment hydraulic cylinder 6 are arranged in parallel, and an angle adjustment member is arranged on the support arm 4;
[0027] The drilling assembly includes a vertically arranged lifting frame 7, which is hinged between the support arm 4 and the end of the adjusting hydraulic cylinder 6 away from the fixed plate 3. A drill rod 12 is arranged on the lifting frame 7, and the drill rod 12 penetrates into the ground from the middle of the precast pile 13.
[0028] The main function of the support frame 2 is to quickly connect to the pile driver 1 together with the components on its upper part, and provide a working platform of suitable height for the displacement component; the main function of the angle adjustment member is to change the angle between the support arm 4 and the horizontal plane; a parallelogram structure is formed between the support arm 4, the adjustment hydraulic cylinder 6, the fixed plate 3 and the lifting frame 7, and when the support arm 4 rotates upward around the fixed plate 3, the lifting frame 7 can be lifted upward together; the main function of the adjustment hydraulic cylinder 6 is to adjust the lifting frame 7 to a vertical state by adjusting its own length before work; the main function of the lifting frame 7 is to drive the drill rod 12 to move in the vertical direction; the main function of the drill rod 12 is to drill a hole below the precast pile 13, so that the precast pile 13 can be statically pressed into place. On the whole, the utility model can make the hole-guiding device quickly installed on the existing pile driver, avoid the situation where there are multiple devices operating on site, and make pile driving and drilling simultaneously on the same device, which greatly saves construction time. At the same time, because the drill rod directly penetrates the middle of the precast pile and drills downward, the problem of misalignment between the precast pile and the hole position is effectively avoided.
[0029] As a further optimization scheme, multiple drill rods 12 may be connected end to end to extend the length according to the drilling depth.
[0030] According to a further optimized solution, the hydraulic cylinder 5 and the regulating hydraulic cylinder 6 are connected to the hydraulic pump station on the pile driver 1 to obtain the operating hydraulic oil.
[0031] To further optimize the solution, a control unit is provided on the support frame 2, and the control unit controls the length adjustment of the hydraulic cylinder 5 and the adjusting hydraulic cylinder 6 by controlling the action of the electromagnetic valve connected to the hydraulic cylinder 5 and the adjusting hydraulic cylinder 6.
[0032] According to a further optimized solution, the angle adjustment member includes a hydraulic cylinder 5 , and two ends of the hydraulic cylinder 5 are respectively hinged to the bottom of the support arm 4 and the side wall of the fixed plate 3 .
[0033] like Figure 1 As shown, when the lifting frame 7 needs to be lowered, the operator controls the hydraulic cylinder 5 to shorten its length and lower the support arm 4. Since the adjustment hydraulic cylinder 6 is always in a parallel state with the support arm 4, the adjustment hydraulic cylinder 6 and the support arm 4 rotate downward synchronously, thereby realizing the lowering of the lifting frame 7. When the lifting frame 7 is lowered to align the central axis of the drill rod 12 with the precast pile 13, the lowering of the lifting frame 7 can be stopped.
[0034] like Figure 2 As shown, when it is necessary to lift the lifting frame 7, it is only necessary to control the extension of the hydraulic cylinder 5 to drive the lifting frame 7 to lift through the support arm 4. When it is necessary to hoist the next precast pile 13 onto the pile driver 1, by lifting the lifting frame, it is possible to avoid interference of the lifting frame 7 with the installation of the precast pile 13, thereby ensuring smooth operation.
[0035] like Figure 1 As shown, when the lifting frame 7 has an angle with the horizontal direction, the lifting frame 7 can be slightly rotated around the hinge axis with the support arm 4 by adjusting the length of the hydraulic cylinder 6, thereby adjusting the vertical state of the lifting frame 7.
[0036] According to a further optimized solution, a support platform 14 is fixedly connected to the top of the support frame 2 near the precast pile 13 , and the top of the support platform 14 is arranged corresponding to the support arm 4 .
[0037] like Figure 1 As shown, the height of the support platform 14 is specially set. When the lifting frame 7 is lowered to the drill rod 12 and is aligned with the central axis of the precast pile 13, the top of the support platform 14 is in contact with the bottom of the support arm 4. The support platform 14 supports the support arm 4, reduces the workload of the hydraulic cylinder 5, and maintains the stability of the lifting frame 7 by maintaining the stability of the support arm 4.
[0038] According to a further optimized solution, a power head 11 is vertically slidably connected to the lifting frame 7 , the drill rod 12 is transmission-connected to the power head 11 , and a height adjustment member is provided between the power head 11 and the lifting frame 7 .
[0039] like Figure 1 As shown, the main function of the power head 11 is to drive the drill rod 12 to rotate, thereby drilling holes in the underground soil layer.
[0040] A further optimized solution is that the height adjustment part includes a screw rod 8 which is vertically rotatably connected to the lifting frame 7, one end of the screw rod 8 is transmission-connected to a motor 10, the motor 10 is fixedly connected to the lifting frame 7, a threaded sleeve 9 is threadedly provided on the screw rod 8, and a power head 11 is fixedly connected to the threaded sleeve 9.
[0041] like Figure 1 As shown, the motor 10 is electrically connected to the control unit. When the height of the power head 11 needs to be lowered, the operator can control the motor 10 to rotate to drive the screw 8 to rotate. When the screw 8 rotates, the threaded sleeve 9 is driven to descend through the thread transmission, thereby driving the power head 11 to move down along the lifting frame 7 through the threaded sleeve 9, and while driving the drill rod 12 to rotate, the drill rod 12 is pressed into the underground soil layer. Similarly, when the power head 11 needs to be raised, it is only necessary to control the motor 10 to reverse.
[0042] According to a further optimized solution, a connecting seat 16 is fixedly connected to the bottom of the supporting frame 2 , a plurality of through holes are formed on the connecting seat 16 , and a plurality of fixing bolts 15 respectively penetrate through the plurality of through holes and are fixedly connected to the pile driver 1 .
[0043] like Figure 1 and Figure 3As shown, the support frame 2 is a truss structure and is in a "冂" shape structure, which can minimize the impact of the support frame 2 on the worker's operation line of sight. A number of threaded holes are arranged on the top working platform of the pile press 1. The support frame 2 is placed on the working platform of the pile press 1 through the connecting seats 16 at both ends of the bottom. Then, the fixing bolts 15 pass through the through holes and are tightened into a number of threaded holes on the pile press 1 to achieve the quick fixation of the support frame 2. When it is necessary to remove the hole-drilling pile machine of the present application, only the fixing bolts 15 need to be unscrewed.
[0044] The working process of this embodiment is as follows: Before construction operations, the on-site personnel fix the support frame 2 at a predetermined position on the pile press 1 through the fixing bolts 15. Then, a precast pile 13 is hoisted by the crane on the pile press 1 and installed on the pile press 1. When the precast pile 13 is pressed down to a predetermined depth, the operator lowers the lifting frame 7 in place by controlling the hydraulic cylinder 5, connects the drill pipe 12 to the power head 11, and while the power head 11 drives the drill pipe 12 to rotate, it penetrates the middle hole of the precast pile 13 to lower the height, drills the soil layer below the precast pile 13. At the same time, while the drill pipe 12 drills downward, the pile press 1 statically presses the precast pile 13 to achieve the effect of drilling and static pressing simultaneously, improving the construction efficiency and construction quality. During the construction process, as the drilling depth increases, drill pipes 12 can be continuously connected between the power head 11 and the topmost drill pipe 12 to extend the length.
[0045] Embodiment 2:
[0046] The difference between this embodiment and Embodiment 1 is only that vertical rods 18 are fixedly connected to the two ends of the top of the support platform 14 respectively, and a number of cushion blocks 17 are arranged vertically between the two groups of vertical rods 18 from top to bottom, and the bottom of the support arm 4 is correspondingly arranged with the top of the cushion block 17 at the topmost position.
[0047] As Figure 4 shown, two groups of through holes are opened on the cushion block 17, and its main function is to allow the vertical rods 18 to penetrate to prevent the cushion block 17 from falling off the support platform 14. The support arm 4 is located between the two vertical rods 18. Due to the position error during the installation of the support frame 2, when the support arm 4 contacts the support platform 14, there is a deviation between the drill pipe 12 and the central axis of the precast pile 13. At this time, by adjusting the number of cushion blocks 17, the angle between the support arm 4 and the horizontal plane when it contacts the cushion block 17 can be adjusted, so as to adjust the final position of the lifting frame 7 to ensure that the drill pipe 12 is aligned with the central axis of the precast pile 13.
[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0049] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A prestressed pipe pile boring machine, characterized in that: include: A support frame (2), wherein the support frame (2) is detachably connected to a working platform of the pile driver (1); A displacement assembly, the displacement assembly comprising a fixing plate (3) fixedly connected to the top of the support frame (2), a supporting arm (4) and an adjusting hydraulic cylinder (6) being hingedly connected to the side walls of the fixing plate (3) from top to bottom, the supporting arm (4) and the adjusting hydraulic cylinder (6) being arranged in parallel, and an angle adjusting member being arranged on the supporting arm (4); A drilling assembly, the drilling assembly comprising a vertically arranged lifting frame (7), the lifting frame (7) being hinged between the support arm (4) and the end of the adjusting hydraulic cylinder (6) away from the fixed plate (3), a drill rod (12) being arranged on the lifting frame (7), and the drill rod (12) being inserted into the ground from the middle of the prefabricated pile (13).
2. A prestressed pipe pile boring machine according to claim 1, characterized in that: The angle adjustment member comprises a hydraulic cylinder (5), and two ends of the hydraulic cylinder (5) are respectively hinged on the bottom of the support arm (4) and the side wall of the fixing plate (3).
3. A prestressed pipe pile boring machine according to claim 1, characterized in that: A support platform (14) is fixedly connected to the top of the support frame (2) on one side close to the prefabricated pile (13), and the top of the support platform (14) is arranged corresponding to the support arm (4).
4. A prestressed pipe pile boring machine according to claim 1, characterized in that: A power head (11) is vertically slidably connected to the lifting frame (7), the drill rod (12) is transmission-connected to the power head (11), and a height adjustment member is provided between the power head (11) and the lifting frame (7).
5. A prestressed pipe pile boring machine according to claim 4, characterized in that: The height adjustment member comprises a screw rod (8) vertically rotatably connected to the lifting frame (7); one end of the screw rod (8) is transmission-connected to a motor (10); the motor (10) is fixedly connected to the lifting frame (7); a threaded sleeve (9) is threadedly sleeved on the screw rod (8); and the power head (11) is fixedly connected to the threaded sleeve (9).
6. The prestressed pipe pile boring machine according to claim 1, characterized in that: The bottom of the support frame (2) is fixedly connected to a connecting seat (16), the connecting seat (16) is provided with a plurality of through holes, and a plurality of fixing bolts (15) respectively penetrate through the plurality of through holes and are fixedly connected to the pile driver (1).