Guide hole type static pressure pile machine
The pre-drilling static pressure pile driver uses a clamping cylinder and a hydraulic pump to drive the threaded drill rod. Combined with limit and verticality sensors, it solves the problem of unstable construction of static pressure pile drivers in sandy geological interlayers, and achieves efficient and stable pile foundation construction.
Patent Information
- Application Number
- CN202423129805.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing static pressure pile drivers are prone to causing pile stagnation, pile deviation, or pile breakage when penetrating sandy geological interlayers, especially in soft cohesive soil layers where the construction effect is poor.
The pre-drilling static pressure pile driver uses a clamping cylinder to drive the pile clamp to hold the threaded drill rod. Combined with a hydraulic pump and servo motor drive, it achieves semi-automatic pile driving. It is also equipped with a verticality sensor and a limit structure to ensure the verticality and stability of the pile foundation.
It improves the stability and accuracy of pile foundation construction, reduces frictional loss, avoids pile stagnation, pile deviation or pile breakage, extends equipment service life, and improves the automation and safety of construction.
Smart Images

Figure CN223523110U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to static pressure pile machine technical field especially relates to a hole type static pressure pile machine. BACKGROUND
[0002] Pile foundation is deep foundation composed of pile and pile cap connected to the top of pile or single pile foundation connected by column and pile foundation, simply referred to as pile foundation, if the pile body is completely buried in soil, and the bottom surface of pile cap is in contact with soil, it is called low pile cap pile foundation, if the upper part of pile is exposed to ground and the bottom of pile cap is above ground, it is called high pile cap pile foundation. Building pile foundation is usually low pile cap pile foundation, pile foundation is widely used in high-rise buildings, pile foundation is an ancient foundation type, pile construction technology has experienced thousands of years of development, whether pile foundation material and pile type or pile construction machinery and construction method has great development, and has formed modern foundation engineering system, in some cases, using pile foundation can greatly reduce construction site workload and material consumption.
[0003] At present, the pile pressing construction method of the static pressure pile machine is mainly applied to the construction of cohesive soil or soft cohesive soil layer with lighter sand layer, when it is necessary to penetrate the sand layer geological interlayer, it is easy to cause pile lagging, pile deviation or pile breaking, and even cause the interlayer pile to break. UTILITY MODEL CONTENT
[0004] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a hole type static pressure pile machine.
[0005] The technical scheme of the utility model is as follows: a hole type static pressure pile machine, comprising a base, a main support is arranged at the top of the base, a second limiting piece is slidably arranged on the outer side of the main support, clamping air cylinders are fixedly arranged on the two sides of the second limiting piece, pile clamping devices are slidably arranged in the second limiting piece, the piston rods of the clamping air cylinders are extended into the second limiting piece and are fixedly connected with the corresponding pile clamping devices, a perpendicularity sensor is fixedly arranged on the inner wall of the pile clamping device, a threaded drill rod is clamped between the two pile clamping devices, scale lines are arranged on the outer side of the threaded drill rod, a first limiting piece is fixedly connected to the outer side of the main support and below the second limiting piece, a bearing is arranged at the connection position of the first limiting piece and the threaded drill rod, a sliding block is arranged in the base, and a guide hole matched with the threaded drill rod is arranged in the sliding block.
[0006] Through the arrangement of the clamping air cylinders, the two pile clamping devices can be driven to move to the middle, so that the threaded drill rod can be stably clamped in the second limiting piece, then the staff can start the hydraulic pump to drive the second limiting piece and the threaded drill rod to move, and the pile pressing operation on the ground can be carried out.
[0007] As a preferred implementation, the inside of the base is provided with an adjusting assembly, the adjusting assembly comprises a limiting groove opened in the inside of the base, a screw rod is rotationally connected in the inside of the limiting groove, a limiting block is threadedly connected to the outside of the screw rod, and the limiting block is fixedly connected with the main support.
[0008] By adopting the above technical scheme, the rotation of the screw rod enables the main support to move along the limiting groove.
[0009] As a preferred implementation, a sliding groove is opened in the inside of the base and at one side of the limiting groove, and the sliding block is slidingly installed in the inside of the sliding groove.
[0010] By adopting the above technical scheme, the sliding groove is arranged to cooperate with the sliding block to move.
[0011] As a preferred implementation, a through groove is opened in the inside of the base and between the sliding groove and the limiting groove, a connecting piece is slidingly connected in the inside of the through groove, and the limiting block, the connecting piece and the sliding block are fixedly connected.
[0012] By adopting the above technical scheme, the connecting piece is arranged to enable the main support to drive the sliding block to move during adjustment, thereby better adjusting the pile driving position of the screw rod.
[0013] As a preferred implementation, a servo motor is fixedly installed on the outside of the base, the output shaft of the servo motor extends to the inside of the limiting groove and is fixedly connected with the screw rod.
[0014] By adopting the above technical scheme, the rotation of the output shaft of the servo motor can drive the screw rod to rotate, thereby realizing power transmission.
[0015] As a preferred implementation, a hydraulic pump is fixedly installed on one side of the main support, an extension arm is fixedly installed on the side of the main support away from the hydraulic pump, a one-to-two joint is fixedly connected to the output end of the hydraulic pump, and one end of the one-to-two joint away from the hydraulic pump extends to the inside of the extension arm.
[0016] By adopting the above technical scheme, the hydraulic pump is arranged to provide hydraulic power for the extension arm, which is conducive to accurately controlling the extension arm and the extension rod.
[0017] As a preferred implementation, the limiting block is slidingly connected with the inner wall of the limiting groove, the extension rod is slidingly installed in the inside of the extension arm, and the bottom end of the extension rod is fixedly connected with the second limiting piece.
[0018] By adopting the above technical scheme, the cooperation of the two can make the adjustment process more stable.
[0019] As a preferred embodiment, one end of the top of the base is fixedly provided with a controller, and the clamping cylinder, the hydraulic pump, the verticality sensor and the servo motor are electrically connected with the controller.
[0020] By adopting the technical scheme, the clamping cylinder, the hydraulic pump, the verticality sensor and the servo motor can be controlled to start and stop by the controller.
[0021] Compared with the prior art, the utility model has the advantages and positive effects that,
[0022] 1. In the utility model, when the staff needs to use the lead hole type static pressure pile machine to press pile on the ground, the clamping cylinder can be started to drive the two pile clamps to move to the middle, thereby stably clamping the threaded drill rod inside the second limiting piece, then the staff can start the hydraulic pump to drive the second limiting piece and the threaded drill rod to move, thereby being capable of pressing pile on the ground, and in the process of pressing pile, the pile foundation can be pressed by hydraulic pressure to realize semi-automatic pile pressing, and through the bearing, friction loss can be reduced and sliding flexibility can be improved, and on the basis of clamping of the two pile clamps, the first limiting piece and the guide hole are additionally provided, which can further limit the threaded drill rod, so that the lead hole type static pressure pile machine is not prone to tilting, and is not prone to pile lagging, pile deviation or pile breaking due to tilting, thereby ensuring the service life of the lead hole type static pressure pile machine.
[0023] 2. In the utility model, the main support can move along the limiting groove through rotation of the screw rod, thereby being capable of adapting to pile pressing requirements at different positions and improving the applicability of the device, and through the setting of the scale line, the pile pressing depth can be more accurately controlled, and at the same time, the verticality sensor is provided to monitor the vertical parameters in the process of pile pressing in real time, thereby ensuring the safety and accuracy of pile pressing operation. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 An overall perspective view of the lead hole type static pressure pile machine is provided in the utility model;
[0025] Figure 2 A rear view of the lead hole type static pressure pile machine is provided in the utility model;
[0026] Figure 3 A side view of the lead hole type static pressure pile machine is provided in the utility model; Figure 1 An enlarged view of position A in the middle.
[0027] Legend: 1, base; 2, main support; 3, limiting groove; 4, screw; 5, limiting block; 6, servo motor; 7, sliding block; 8, guide hole; 9, threaded drill rod; 10, first limiting piece; 11, controller; 12, second limiting piece; 13, clamping cylinder; 14, telescopic arm; 15, telescopic rod; 16, hydraulic pump; 17, scale line; 18, pile clamping device; 19, perpendicularity sensor. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] Reference Figures 1-3The utility model provides a guide hole type static pressure pile machine, including base 1, the top of base 1 is provided with main support 2, the outer side of main support 2 is slidably installed with second limiting piece 12, and the both sides of second limiting piece 12 are all fixedly installed with clamping cylinder 13, and the inside of second limiting piece 12 is slidably installed with pile holder 18, and the piston rod of clamping cylinder 13 all extends to the inside of second limiting piece 12 and is fixedly connected with corresponding pile holder 18, and the inner wall of pile holder 18 is fixedly installed with perpendicularity sensor 19, and the both sides of pile holder 18 are clamped with threaded drill rod 9, and the outer side of threaded drill rod 9 is provided with scale line 17, and the outer side of main support 2 and below second limiting piece 12 are fixedly connected with first limiting piece 10, and the connecting place of first limiting piece 10 and threaded drill rod 9 is provided with bearing, the inside of base 1 is provided with sliding block 7, the inside of sliding block 7 is provided with guide hole 8 for cooperation with threaded drill rod 9, when the staff needs to use the guide hole type static pressure pile machine to carry out the pressure piling to ground, can start clamping cylinder 13, drives two pile holders 18 to move to the middle, and then can stably hold threaded drill rod 9 in the inside of second limiting piece 12, then the staff can start hydraulic pump 16, to drive second limiting piece 12 and threaded drill rod 9 to move, and then can carry out the pressure piling operation to ground, in the pressure piling process, can exert pressure to pile foundation by hydraulic mode, to realize the semi -automatic pressure piling purpose, and by bearing setting, can reduce friction loss and improve sliding flexibility, and by the setting of scale line 17, to control the pressure piling depth more accurately, simultaneously, is equipped with perpendicularity sensor 19, can monitor the vertical parameter in the pressure piling process in real time, to ensure the security and accuracy of pressure piling operation, and on the basis of the clamping of two pile holders 18, still add first limiting piece 10 and guide hole 8, can further limit the threaded drill rod 9, so that the guide hole type static pressure pile machine is not prone to the situation of toppling, and is not prone to the situation of lagging pile, deviating pile or broken pile due to toppling, to ensure the service life of guide hole type static pressure pile machine.
[0030] Specifically, the inside of the base 1 is provided with an adjusting assembly, the adjusting assembly comprises a limiting groove 3 opened in the inside of the base 1, a screw rod 4 is rotatably connected in the inside of the limiting groove 3, a limiting block 5 is threadedly connected to the outside of the screw rod 4, the main support 2 can move along the limiting groove 3 by rotating the screw rod 4, so as to adapt to the pile pressing requirements of different positions, improve the applicability of the device, the limiting block 5 is fixedly connected with the main support 2, a sliding groove is opened in the inside of the base 1 and located at one side of the limiting groove 3, a sliding block 7 is slidingly installed in the inside of the sliding groove, the sliding groove and the sliding block 7 are used in cooperation to position the guide hole 8, a through groove is opened in the inside of the base 1 and located between the sliding groove and the limiting groove 3, a connecting piece is slidingly connected in the inside of the through groove, the limiting block 5, the connecting piece and the sliding block 7 are fixedly connected, the connecting piece can drive the sliding block 7 to move during the adjustment of the main support 2, so as to better adjust the pile driving position of the threaded drill rod 9.
[0031] Specifically, the outside of the base 1 is fixedly installed with a servo motor 6, the output shaft of the servo motor 6 extends to the inside of the limiting groove 3 and is fixedly connected with the screw rod 4, the screw rod 4 is driven to rotate by the rotation of the output shaft of the servo motor 6, so as to realize the transmission of power, one side of the main support 2 is fixedly installed with a hydraulic pump 16, the side of the main support 2 away from the hydraulic pump 16 is fixedly installed with a telescopic arm 14, the output end of the hydraulic pump 16 is fixedly connected with a one-to-two joint, the hydraulic pump 16 can provide hydraulic power for the telescopic arm 14, so as to drive the second limiting piece 12 to move downward, which is conducive to accurately controlling the telescopic arm 14 and the telescopic rod 15, the end of the one-to-two joint away from the hydraulic pump 16 extends to the inside of the telescopic arm 14, the limiting block 5 is slidingly connected with the inner wall of the limiting groove 3, the telescopic rod 15 is slidingly installed in the inside of the telescopic arm 14, the bottom end of the telescopic rod 15 is fixedly connected with the second limiting piece 12, one end of the top of the base 1 is fixedly installed with a controller 11, the clamping air cylinder 13, the hydraulic pump 16, the perpendicularity sensor 19 and the servo motor 6 are electrically connected with the controller 11, the clamping air cylinder 13, the hydraulic pump 16, the perpendicularity sensor 19 and the servo motor 6 can be controlled to start and stop by the controller 11.
[0032] Working principle: first, the device is installed to the designated pile pressing area, then the threaded drill rod 9 can be hoisted in the second limiting piece 12 using the crane, and the controller 11 is used to control the clamping cylinder 13 to start, drive the two pile clamps 18 to move to the middle, so that the threaded drill rod 9 can be stably clamped in the second limiting piece 12, then the staff can start the hydraulic pump 16, the hydraulic pump 16 can provide thrust power for the telescopic arm 14, so as to drive the second limiting piece 12 and the threaded drill rod 9 to move, thereby being capable of pressing pile on the ground, and through the bearing setting, the friction loss can be reduced and the sliding flexibility can be improved, and through the setting of the scale line 17, the pile pressing depth can be more accurately controlled, at the same time, the verticality sensor 19 is equipped, the verticality parameter in the pile pressing process can be monitored in real time, so as to ensure the safety and accuracy of the pile pressing operation, and on the basis of the clamping of the two pile clamps 18, the first limiting piece 10 and the guide hole 8 are additionally provided, the threaded drill rod 9 can be further limited, so that the lead hole type static pile press is not prone to tilting, and the servo motor 6 is started, the main support 2 can move along the limiting groove 3 through the rotation of the screw rod 4, so that the pile pressing demand in different positions can be met, and through the setting of the connecting piece, the main support 2 can drive the sliding block 7 to move during the adjustment process, so that the pile pressing position of the threaded drill rod 9 can be better adjusted.
[0033] In the description of the utility model, it is to explain that, unless there is definite and limited, the term "installation" "set with" "connection" and the like, should do broad sense, for example "connection", can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside, for the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific situation.
[0034] The above is only the preferred embodiment of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements for some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A jacked pile press of the lead-in type comprising a base (1), characterized in that: The top end of the base (1) is provided with a main support (2), the outer side of the main support (2) is slidably provided with a second limiting piece (12), the two sides of the second limiting piece (12) are fixedly provided with clamping cylinders (13), the inside of the second limiting piece (12) is slidably provided with pile clamps (18), and the piston rods of the clamping cylinders (13) extend into the inside of the second limiting piece (12) and are fixedly connected with the corresponding pile clamps (18). The inner wall of the pile clamp (18) is fixedly provided with a perpendicularity sensor (19), the two pile clamps (18) clamp a threaded drill rod (9) therebetween, the outer side of the threaded drill rod (9) is provided with a scale line (17), the outer side of the main support (2) and below the second limiting piece (12) is fixedly connected with a first limiting piece (10), the connecting position between the first limiting piece (10) and the threaded drill rod (9) is provided with a bearing, and the inside of the base (1) is provided with a sliding block (7).
2. A guided hole static pile press according to claim 1, characterized in that: The inside of the base (1) is provided with an adjusting assembly, the adjusting assembly comprises a limiting groove (3) formed in the inside of the base (1), the inside of the limiting groove (3) is rotatably connected with a screw rod (4), and the outer side of the screw rod (4) is threadedly connected with a limiting block (5).
3. A lead hole type static pile press according to claim 1, characterized in that: The inside of the base (1) and on one side of the limiting groove (3) are provided with a sliding groove, and the sliding block (7) is slidably arranged in the inside of the sliding groove.
4. A guided hole static pile press according to claim 2, characterized in that: The inside of the base (1) and between the sliding groove and the limiting groove (3) are provided with a through groove, the inside of the through groove is slidably connected with a connecting piece, and the limiting block (5), the connecting piece and the sliding block (7) are fixedly connected.
5. A guided hole static pile driver according to claim 2, characterized in that: The outer side of the base (1) is fixedly provided with a servo motor (6), the output shaft of the servo motor (6) extends into the inside of the limiting groove (3) and is fixedly connected with the screw rod (4).
6. A guided hole static pile press according to claim 5, characterized in that: One side of the main support (2) is fixedly provided with a hydraulic pump (16), the side, away from the hydraulic pump (16), of the main support (2) is fixedly provided with a telescopic arm (14), the output end of the hydraulic pump (16) is fixedly connected with a one-to-two joint, and one end, away from the hydraulic pump (16), of the one-to-two joint extends into the inside of the telescopic arm (14).
7. A guided hole static pile press according to claim 6, characterized in that: The limiting block (5) is slidably connected with the inner wall of the limiting groove (3), the inside of the telescopic arm (14) is slidably provided with a telescopic rod (15), and the bottom ends of the telescopic rods (15) are fixedly connected with the second limiting piece (12).
8. A guided hole static pile press according to claim 6, characterized in that: One end of the top of the base (1) is fixedly provided with a controller (11), and the clamping cylinders (13), the hydraulic pump (16), the perpendicularity sensor (19) and the servo motor (6) are electrically connected with the controller (11).