CN111945730A - Pile pressing structure for construction engineering - Google Patents
Pile pressing structure for construction engineering Download PDFInfo
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- CN111945730A CN111945730A CN202010834760.8A CN202010834760A CN111945730A CN 111945730 A CN111945730 A CN 111945730A CN 202010834760 A CN202010834760 A CN 202010834760A CN 111945730 A CN111945730 A CN 111945730A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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Abstract
The invention discloses a pile pressing structure for construction engineering, which comprises a plurality of power assemblies and a control assembly, wherein the power assemblies are arranged around a pile column construction station in an annular matrix manner, the control assembly is used for controlling the power assemblies, each power assembly is connected with the control assembly through a control line, each power assembly comprises a first adjustable force component and a clamping jaw, the first adjustable force component is configured to provide vertical forces with different sizes, the clamping jaw is configured to clamp a pile column in a pile pressing process, the upper end of the first adjustable force component is connected with a second adjustable force component, a power output shaft of the second adjustable force component is connected with the clamping jaw, an arc-shaped groove is formed in the contact part of the clamping jaw and the pile column, a sensor is fixedly arranged on the arc-shaped groove, and a base is arranged at the bottom of the first adjustable. In the pile pressing process, the sensors arranged on the clamping jaws can measure the force borne by each clamping jaw of each power assembly in real time, specifically, the pressure is measured, the common numerical values of the sensors are compared, whether the measured pressure is balanced or not is known, and whether the distribution of the transverse stress in the cylinder is balanced or not is known.
Description
Technical Field
The invention relates to a device in the field of constructional engineering, in particular to a pile pressing structure for constructional engineering.
Background
In the related prior art, for example, the background of the chinese utility model CN201120539320.6 a pile pressing machine and its pile pressing mechanism and pile clamping jaw device discloses that the existing hydraulic static pile pressing machine clamps the pile body by the pile clamping mechanism. The pile clamping mechanism comprises two groups of pile clamping jaw devices arranged along the length direction of the pile body, and each group of pile clamping jaw devices are uniformly distributed around the circumference of the pile body. For example, each set of pile gripping jaw devices may comprise four pile gripping jaw devices facing each other two by two, each pile gripping jaw device comprising a pile gripping hydraulic cylinder and a jaw, the cross-sectional profile of the clamping surface of the jaw being substantially an arc concentric with the cross-section of the pile body. The jaw is arranged on the pile clamping hydraulic cylinder and moves along the radial direction of the pile body through the expansion and contraction of the hydraulic cylinder so as to push the jaw to clamp the pile body through the pile clamping hydraulic cylinder; this chinese utility model patent CN201120539320.6 pile driver and pile driver constructs and presss from both sides stake keep silent device still discloses its main technical content of being absorbed in, promptly, pile driver's the stake of pressing keep silent device, including pressing from both sides a stake pneumatic cylinder and first keeping silent, wherein, it still is in to press from both sides stake keep silent device including setting up press from both sides a stake pneumatic cylinder with first connecting seat of keeping silent between, the connecting seat with press from both sides stake pneumatic cylinder fixed connection, the connecting seat has the first curved surface of indent, first keep silent have the evagination with the second curved surface that first curved surface matches, the connecting seat with first keeping silent passes through first curved surface with second curved surface contaction and accessible first curved surface with the second curved surface is connected with turning round relatively. One of the first curved surface and the second curved surface has a slot extending along a circumferential direction thereof, and the other has a fitting hole alignable with the slot, and the connecting seat and the first jaw are connected by a fastener passing through the slot and the fitting hole. The first curved surface and the second curved surface are mutually matched cylindrical surfaces or conical surfaces or circular table surfaces or parts of spherical surfaces. At least one of the first curved surface and the second curved surface is provided with a concave hole, and a compression spring is arranged in the concave hole. The pile clamping jaw device comprises a second jaw which is fixed inside the first jaw in a stacking mode. The utility model provides a press pile machine's pile clamping mechanism, wherein, this pile clamping mechanism includes foretell pile clamping device of keeping silent, a plurality of pile clamping device of keeping silent divide into two sets ofly and set up along the length direction of pile body, and every pile clamping device of keeping silent centers on pile body circumference equipartition. In the conventional technology, after the clamping component of the pile pressing equipment clamps the pile, force is applied to press the pile, and the clamping component is usually controlled by a common power driving device, so that the clamping force and the upward and downward control force applied to the pile by different clamping components are basically the same, in this implementation situation, the stress action in the pile is ignored, because the internal structure of the pile is not completely the same and different obstacles can block different parts in the construction process, so the stress in the main body is unbalanced, in this case, if the force applied to the outer part of the pile is the same, the imbalance of the stress in the pile can be amplified again in the pile pressing process, and thus, the pile pressing efficiency is low, and the pile is inclined, even the pile is damaged or broken.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a pile pressing structure for construction engineering, which comprises a plurality of power assemblies and a control assembly, wherein the power assemblies are arranged around a pile column construction station in an annular matrix manner, the control assembly is used for controlling the power assemblies, each power assembly is connected with the control assembly through a control line, each power assembly comprises a first adjustable force component and a clamping jaw, the first adjustable force component is configured to provide vertical forces with different magnitudes, the clamping jaw is configured to clamp a pile column in a pile pressing process, the upper end of the first adjustable force component is connected with a second adjustable force component, a power output shaft of the second adjustable force component is connected with the clamping jaw, an arc-shaped groove is formed in the contact part of the clamping jaw and the pile column, a sensor is fixedly arranged on the arc-shaped groove, and a base is arranged at the bottom.
In a preferred or optional embodiment, the control assembly includes a circuit board, and a plurality of first electronic control modules and a plurality of second electronic control modules, the first electronic control modules/the second electronic control modules are distributed in the control assembly, the circuit board is electrically connected to each of the first electronic control modules/the second electronic control modules, and the circuit board is used for electrically driving the first electronic control modules/the second electronic control modules, and each of the power assemblies is connected to the control assembly through a control line.
In a preferred or alternative embodiment, the first adjustable force assembly/the second adjustable force assembly are both in a fluid cylinder driving structure, the first electronic control module/the second electronic control module are in a servo valve structure, and the control line is in a fluid pipeline structure.
In a preferred or alternative embodiment, the first adjustable force assembly includes a housing, an output shaft, a compression plug; the output shaft is arranged in the shell, one end of the output shaft is provided with a compression plug, and the other end of the output shaft penetrates through one end of the shell and extends out of the shell; a connecting piece which is superposed with the axis of the output shaft is arranged in the output shaft, and one end of the output shaft is provided with a gap hole; a coil is sleeved on the connecting piece at the position of the hole; the connecting piece near the head end of the compression plug extends out of the output shaft, the end part of the connecting piece is connected with a signal acquisition element, and a bottom shell is covered on the signal acquisition element; the drain pan passes through fastener fixed connection in shell one end, is connected with the control line port on the drain pan.
In a preferred or optional embodiment, a single chip microcomputer and a memory are arranged in the circuit configuration of the circuit board, the single chip microcomputer is electrically connected with the memory, the single chip microcomputer is further electrically connected with a single chip microcomputer communication circuit, an output circuit for controlling the first electric control module/the second electric control module, and an analog-to-digital conversion circuit respectively, and the analog-to-digital conversion circuit is electrically connected with the force sensor; the output circuit at least comprises a digital-to-analog conversion circuit and a power amplifier circuit.
In a preferred or alternative embodiment, the first adjustable force assembly further comprises a nest, the nest is positioned by compressing the flange, the nest comprises a first outer collar and a second outer collar; a shaft pad is arranged between the first outer shaft ring and the second outer shaft ring; a sealing gasket is arranged between the flange and the output shaft, the bottom of the compression plug head is adjusted in fixed position through an adjusting block, and a plug head outer ring, a plug head outer seal and a plug head reinforcing ring are sequentially arranged between the compression plug head and the shell.
In a preferred or optional embodiment, the second adjustable force component comprises a main body and a telescopic shaft, the telescopic shaft is of a tubular hollow structure, a power output shaft is arranged in the telescopic shaft, an external thread is arranged on the power output shaft, the periphery of the power output shaft is connected with an inner rotary sleeve and an outer rotary sleeve, the inner rotary sleeve and the outer rotary sleeve are provided with internal threads, the external thread of the power output shaft is matched with the internal threads of the inner rotary sleeve and the outer rotary sleeve, and the inner rotary sleeve and the telescopic shaft are connected through an outer ring sleeve.
In a preferred or optional embodiment, the memory and the single chip are configured to obtain signals of the force sensors and specifically obtain digital signals converted by the plurality of force sensors according to a serial port communication protocol during operation, calculate output signals for balanced regulation and control through the signal single chip of the force sensors, and output the output signals through the output circuit.
In a preferred or optional embodiment, when the single chip microcomputer calculates an output signal for balanced regulation, the stored data of the memory is called to obtain a standard output signal for balanced regulation, specifically, the force sensors are all configured with physical addresses with different codes, a mapping table is configured in advance in a software layer to enable the force sensor identified by each physical address to correspond to the control end address of the corresponding first electric control module/second electric control module one by one, a data model enabling a pile to be stressed in a pile pressing process is stored in the memory of the software layer, and the signal data of the force sensors with different physical addresses are input into the data model in the calculation to obtain the control end data and the data signal of the corresponding first electric control module/second electric control module; the data model for balancing the stress of the pile in the pile pressing process is converted into a corresponding mathematical model from a physical model for balancing the stress of the pile in the pile pressing process, and then the mathematical model is converted to obtain the data model; the data are software layer data, and the signals are digital signals or signals calculated by data.
In a preferred or optional embodiment, the single chip microcomputer communication circuit is configured to configure and optimize a single chip microcomputer and a memory, and the single chip microcomputer and the memory are configured to: the optimization program of the singlechip communication circuit is obtained periodically or initially, and specifically comprises an optimization program for reconfiguring the singlechip and the memory by obtaining the material parameters and the stress parameters of the pile with the latest standard, and an optimization program for reconfiguring the singlechip and the memory by introducing the pile pressing rate as a consideration standard.
The beneficial effects of the invention are that: in the pile pressing process, the sensors arranged on the jaws can measure the force borne by each jaw of each power assembly in real time, particularly measure the pressure, and can know whether the measured pressure is balanced or not by comparing common numerical values of different sensors, so that whether the distribution of transverse stress in the column body is balanced or not can be known; a balance-able adjustment is achieved on the body by such a distributed force component control.
The output shaft is used for power output control, the coil, the signal acquisition element can accomplish the inside sensing parameter acquisition of first adjustable force subassembly, especially can real-time test and with outside preset control contrast when and both realize standard control and improve the precision when accurate, for example, the signal acquisition element in implementing adopts force sensor, and can set up force sensor in first adjustable force subassembly outside, only confirm the accuracy of first adjustable force subassembly control output power when the test data of inside and outside sensor is unanimous, through can improving the accurate requirement of first adjustable force subassembly control output and then improve the precision of its control like this.
More specifically, singlechip and memory in this application are configured: the method comprises the steps of periodically or initially acquiring an optimization program of a singlechip communication circuit, wherein the optimization program specifically comprises an optimization program for reconfiguring a singlechip and a memory by acquiring material parameters and stress parameters of a pile with the latest standard, and an optimization program for reconfiguring the singlechip and the memory by introducing a pile pressing rate as a consideration standard; by acquiring the latest standard material parameters and stress parameters of the pile in the implementation, reconfiguring the optimization programs of the singlechip and the memory, and reconfiguring the optimization programs of the singlechip and the memory after introducing the pile pressing rate as a consideration standard, the program control standards of the singlechip and the memory can be continuously updated and improved, so that the control efficiency is improved in practice, and the requirements of the change of the material parameters and the stress parameters of the pile on the updating of the control programs can be met in practice.
Drawings
FIG. 1 is a schematic overall structural diagram of an embodiment of the present application, and in particular, a top view of the implementation;
FIG. 2 is a schematic overall structural diagram of an embodiment of the present application, and in particular, a side view of the implementation;
FIG. 3 is a schematic structural diagram of a control assembly according to an embodiment of the present application;
FIG. 4 is a block diagram of the connection of circuit board configuration circuitry of a control assembly according to an embodiment of the present application;
FIG. 5 is a schematic illustration of a first adjustable force assembly according to an embodiment of the present application;
FIG. 6 is a schematic illustration of a portion of a first adjustable force assembly in accordance with an embodiment of the present application;
FIG. 7 is a schematic illustration of a portion of a first adjustable force assembly in accordance with an embodiment of the present application;
FIG. 8 is a schematic illustration of a second adjustable force assembly according to an embodiment of the present application;
the device comprises a power assembly 1, a control assembly 2, a control line 3, a pile body 4, a base 5, a first adjustable force component 6, a clamping jaw 7, a second adjustable force component 8, a sensor 9, a circuit board 21, a first electronic control module 22 and a second electronic control module 23, wherein the names of the components are as follows; the plug comprises a shell 6a, an output shaft 6b, a compression plug 6c, a connecting piece 6d, a hole 6e, a coil 6f, a signal acquisition element 6g, a bottom shell 6h, a control line port 6i, a flange 6j, a first outer shaft ring 6k, a second outer shaft ring 6l, a shaft pad 6m, a sealing pad 6n, an adjusting block 6o, a plug outer ring 6p, a plug outer seal 6q and a plug reinforcing ring 6 r; a main body 8 a; a telescopic shaft 8 b; a power take-off shaft 8 c; an inner and outer rotating sleeve 8 d; and an outer ring sleeve 8 e.
Detailed Description
In specific implementation, the embodiment of the application (as shown in fig. 1-2) includes a plurality of power assemblies 1 arranged in an annular matrix around a construction station of a pile body 4, and a control assembly 2 for controlling the power assemblies 1, each power assembly 1 is connected with the control assembly 2 through a control line 3, the power assembly 1 includes a first adjustable force component 6 configured to provide vertical forces of different magnitudes and a claw 7 configured to clamp and fix the pile in a pile pressing process, an upper end of the first adjustable force component 6 is connected with a second adjustable force component 8, a power output shaft of the second adjustable force component 8 is connected with the claw 7, a contact part of the claw 7 and the pile body 4 is provided with an arc-shaped groove, a sensor 9 is fixedly arranged on the arc-shaped groove, and the bottom of the first adjustable force component 6 is provided with a base 5; in the concrete implementation, the power assembly 1 is mainly used for providing power, and specifically, a plurality of clamping jaws 7 clamp a pile body 4 together, a first adjustable force component 6 drives the clamping jaws 7 to move up and down, a second adjustable force component 8 drives the clamping jaws 7 to be away from the pile body 4, the first adjustable force component 6 and the second adjustable force component 8 are controlled to enable the clamping jaws 7 to clamp the pile body 4 well, then the first adjustable force component 6 drives the pile body 4 to move downwards, specifically, friction force between the clamping jaws 7 and the pile body 4 acts on the pile body 4 to drive the pile body 4 to move downwards so as to realize pile pressing, particularly, in the pile pressing process, a sensor 9 arranged on the clamping jaws 7 can measure the force applied to each clamping jaw 7 of the power assembly 1 in real time, specifically, measure pressure, and compare the common values of different sensors 9, the measured pressure can be known to be balanced, so that whether the distribution of transverse stress in the column body is balanced can be known, under the condition of unbalanced pressure, the unbalanced state of the internal stress of the column body can be compensated by adjusting the first adjustable force component 6 or the second adjustable force component 8 of one or more power assemblies 1, and pile pressing is carried out under the state, so that the problem that the pile pressing is inclined or even the pile is damaged or broken is avoided.
In a specific implementation, as shown in fig. 3, the control assembly 2 includes a circuit board 21, and a plurality of first electronic control modules 22 and a plurality of second electronic control modules 23, the first electronic control modules 22 and the second electronic control modules 23 are distributed in the control assembly 2, the circuit board 21 is electrically connected to each of the first electronic control modules 22 and the second electronic control modules 23, the circuit board 21 is used for electrically driving the first electronic control modules 22 and the second electronic control modules 23, each of the power assemblies 1 is connected to the control assembly 2 through a control line 3, specifically, each of the power assemblies 1 is connected to the first electronic control modules 22 and the second electronic control modules 23 through the control line 3; in an implementation, the power output of the powertrain 1 can be specifically controlled by the first/second electronic control module 22, 23 of the control assembly 2 and specifically by controlling the first or second adjustable-force component 6, 8 of the powertrain 1.
In specific implementation, the first adjustable force assembly 6/the second adjustable force assembly 8 both adopt a fluid cylinder driving structure such as a hydraulic cylinder, the first electronic control module 22/the second electronic control module 23 adopt a servo valve structure such as a hydraulic servo valve, and the control line 3 adopts a fluid pipeline structure such as a hydraulic control pipe; in specific implementation, a plurality of clamping jaws 7 clamp a pile body 4 together, a hydraulic cylinder output shaft of a first adjustable force component 6 drives the clamping jaws 7 to move up and down, a hydraulic cylinder output shaft of a second adjustable force component 8 drives the clamping jaws 7 to be away from the pile body 4, the clamping jaws 7 can well clamp the pile body 4 under the control of the hydraulic cylinders of the first adjustable force component 6 and the second adjustable force component 8, then a downward force is driven by the hydraulic cylinder output shaft of the first adjustable force component 6, and specifically, the friction force between the clamping jaws 7 and the pile body 4 acts on the pile body 4 to drive the pile body 4 to move downward so as to realize pile pressing; in an implementation, the power output of the drive train 1 and in particular the power output by the hydraulic cylinders of the first adjustable force component 6 or the second adjustable force component 8 of the drive train 1 can be controlled in particular by controlling the hydraulic servo valve of the first/second electronic control module 22, 23 of the control train 2.
In a specific implementation, as shown in fig. 4, a single chip and a memory are arranged in the circuit configuration of the circuit board 21, the single chip is electrically connected to the memory, the single chip is further electrically connected to a single chip communication circuit, an output circuit for controlling the first electronic control module 22/the second electronic control module 23, and an analog-to-digital conversion circuit, and the analog-to-digital conversion circuit is electrically connected to the force sensor; the output circuit at least comprises a digital-to-analog conversion circuit and a power amplifier circuit; in the specific implementation, the analog signal measured by the force sensor is converted into a digital signal through the analog-to-digital conversion circuit and sent to the single chip microcomputer, the single chip microcomputer performs auxiliary operation through data in the memory after obtaining signals of all the force sensors and converts the operation result into output data, then the output data is output through the output circuit, in the output process, the digital-to-analog conversion circuit of the output circuit firstly converts the digital signal of the single chip microcomputer into an analog signal capable of being controlled externally, the analog signal is processed through the power amplification circuit and can be directly loaded to a terminal load, negative feedback of the force sensor signal is completed on the circuit layer through the mode, and then the negative feedback is output to the controlled mechanical layer in a mode of controlling the first electric control module 22/the second electric control module 23.
In an implementation, as shown in fig. 5 to 7, the first adjustable force assembly 6 (for example, a specific hydraulic cylinder body structure may be adopted) includes a housing 6a, an output shaft 6b, and a compression plug 6 c; the output shaft 6b is arranged in the shell 6a, one end of the output shaft 6b is provided with a compression plug 6c, and the other end of the output shaft 6b penetrates through one end of the shell 6a and extends out of the shell 6 a; a connecting piece 6d which is coincident with the axis of the output shaft 6b is arranged in the output shaft 6b, and one end of the output shaft 6b is provided with a gap 6 e; a coil 6f is sleeved on the connecting piece 6d at the position of the hole 6 e; a connecting piece 6d close to the end of the compression plug head 6c extends out of the output shaft 6b, the end part is connected with a signal acquisition element 6g, and a bottom shell 6h covers the signal acquisition element 6 g; the bottom shell 6h is fixedly connected to one end of the shell 6a through a fastener, and a control wire port 6i is connected to the bottom shell 6 h; the first adjustable force component 6 comprises a sleeve which is pressed and positioned by a flange 6j and comprises a first outer collar 6k and a second outer collar 6 l; a shaft pad 6m is arranged between the first outer shaft ring 6k and the second outer shaft ring 6 l; a sealing gasket 6n is arranged between the flange 6j and the output shaft 6b, the bottom of the compression plug 6c is adjusted in fixed position through an adjusting block 6o, and a plug outer ring 6p, a plug outer seal 6q and a plug reinforcing ring 6r are sequentially arranged between the compression plug 6c and the shell 6 a; in specific implementation, the output shaft 6b is used for power output control, the coil 6f and the signal acquisition element 6g (sensors can be used in implementation) can complete acquisition of sensing parameters inside the first adjustable force assembly 6, especially, real-time testing can be performed, and standard control can be realized to improve precision when the external preset control is compared with the external preset control, for example, the signal acquisition element 6g in implementation adopts a force sensor, the force sensor can be arranged outside the first adjustable force assembly 6, the accuracy of the control output force of the first adjustable force assembly 6 is determined only when the test data of the inner sensor and the outer sensor are consistent, and thus the precision of the control output of the first adjustable force assembly 6 can be improved.
In specific implementation, as shown in fig. 8, the second adjustable force component 8 includes a main body 8a and a telescopic shaft 8b, the telescopic shaft 8b is a tubular hollow structure, a power output shaft 8c is arranged in the telescopic shaft 8b, an external thread is arranged on the power output shaft 8c, an internal and external rotating sleeve 8d is connected to the periphery of the power output shaft 8c, an internal thread is arranged on the internal and external rotating sleeve 8d, the external thread of the power output shaft 8c is matched with the internal thread of the internal and external rotating sleeve 8d, and the internal and external rotating sleeve 8d is connected to the telescopic shaft 8b through an external ring sleeve 8 e; in the embodiment that the power output shaft 8c is used for outputting and controlling the axial force, the thread connection structure is arranged in the embodiment, so that the length of the power output shaft 8c can be adjusted conveniently, and the position of the jaw 7 driven by the power output shaft can be adjusted conveniently.
In a specific implementation, the memory and the single chip microcomputer are configured, and when in operation, the signal of the force sensor is obtained according to a serial port communication protocol,
acquiring digital signals converted by a plurality of force sensors, calculating output signals for balanced regulation and control through a signal singlechip of the force sensors, and outputting the output signals by an output circuit; in the implementation, a plurality of force sensors are difficult to access the single chip microcomputer at the same time, so a serial port communication protocol configuration is needed, in addition, the memory and the single chip microcomputer are both needed to be configured in advance, and programs or program/data are burnt or written in the memory and the single chip microcomputer in advance according to the working requirements and the working time sequence.
The method comprises the steps that stored data of a memory are called when a single chip microcomputer calculates output signals for balanced regulation to obtain standard balanced regulation output signals, specifically, force sensors are all configured with physical addresses with different codes, a mapping table is configured in advance in a software layer to enable the force sensor identified by each physical address to correspond to the control end address of a corresponding first electric control module 22/second electric control module 23 one by one, a data model enabling a pile to be stressed in a pile pressing process is stored in the memory of the software layer, and force sensor signal data with different physical addresses are input into the data model in the calculation to obtain control end data and data signals of the corresponding first electric control module 22/second electric control module 23; the data model for balancing the stress of the pile in the pile pressing process is converted into a corresponding mathematical model from a physical model for balancing the stress of the pile in the pile pressing process, and then the mathematical model is converted to obtain the data model; the data are software layer data, and the signals are digital signals or signals calculated by data.
In the specific operation process of the single chip microcomputer, after the signal of the force sensor is obtained, the physical address of the force sensor needs to be decoded, then the control end address of the first electric control module 22/the second electric control module 23 corresponding to the force sensor in the mapping table needs to be inquired in a software layer, the method comprises the steps of collecting signals of all force sensors and calculating in a data layer, inputting signal data of the force sensors into a data model in the calculation, and calculating in the data model to substantially solve a control result for enabling the stress of the unevenly stressed pile to be balanced, wherein the actual purpose is calculated academic physical quantity, then the academic physical quantity is represented by data, and the data is converted into physical control quantity for the first electronic control module 22/the second electronic control module 23 after being solved, and specifically, the control signals are converted into the control signals of the first electronic control module 22/the second electronic control module 23 and output to the first electronic control module 22/the second electronic control module 23.
The singlechip communication circuit is used for configuring and optimizing a singlechip and a memory, and the singlechip and the memory are configured as follows: the method comprises the steps of periodically or initially acquiring an optimization program of a singlechip communication circuit, wherein the optimization program specifically comprises an optimization program for reconfiguring a singlechip and a memory by acquiring material parameters and stress parameters of a pile with the latest standard, and an optimization program for reconfiguring the singlechip and the memory by introducing a pile pressing rate as a consideration standard; in practice, when the pile with the updated material is replaced, the material parameters and the stress parameters of the corresponding pile with the updated material can be changed, but the prior art has no means or technology to solve the problem.
If the invention described above discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected connection can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a pile pressing structure for building engineering, characterized by: the pile driving device comprises a plurality of power assemblies arranged around a pile body construction station and in an annular matrix, and a control assembly for controlling the power assemblies, wherein each power assembly is connected with the control assembly through a control line, each power assembly comprises a first adjustable force component and a clamping jaw, the first adjustable force component is configured to provide vertical forces of different sizes, the clamping jaw is configured to clamp a pile in a pile pressing process, the upper end of the first adjustable force component is connected with a second adjustable force component, a power output shaft of the second adjustable force component is connected with the clamping jaw, an arc-shaped groove is formed in the contact part of the clamping jaw and the pile body, a sensor is fixedly arranged on the arc-shaped groove, and a base is arranged at the bottom of the first adjustable force component.
2. The pile pressing structure for construction engineering according to claim 1, wherein: the control assembly comprises a circuit board, a plurality of first electric control modules and a plurality of second electric control modules, wherein the first electric control modules/the second electric control modules are distributed in the control assembly, the circuit board is electrically connected with each first electric control module/each second electric control module, the circuit board is used for electrically driving the first electric control modules/the second electric control modules, each power assembly is connected with the control assembly through a control line, and each power assembly is connected with the first electric control modules/the second electric control modules through the control line.
3. The pile pressing structure for construction engineering according to claim 1, wherein: the first adjustable force component/the second adjustable force component are both in a fluid cylinder driving structure, the first electric control module/the second electric control module are in a servo valve structure, and the control line is in a fluid pipeline structure.
4. A pile pressing structure for construction engineering according to any one of claims 1 or 3, wherein: the first adjustable force component comprises a shell, an output shaft and a compression plug head; the output shaft is arranged in the shell, one end of the output shaft is provided with a compression plug, and the other end of the output shaft penetrates through one end of the shell and extends out of the shell; a connecting piece which is superposed with the axis of the output shaft is arranged in the output shaft, and one end of the output shaft is provided with a gap hole; a coil is sleeved on the connecting piece at the position of the hole; the connecting piece near the head end of the compression plug extends out of the output shaft, the end part of the connecting piece is connected with a signal acquisition element, and a bottom shell is covered on the signal acquisition element; the drain pan passes through fastener fixed connection in shell one end, is connected with the control line port on the drain pan.
5. The pile pressing structure for construction engineering according to claim 2, wherein: the circuit configuration of the circuit board is provided with a single chip microcomputer and a memory, the single chip microcomputer is electrically connected with the memory, the single chip microcomputer is also electrically connected with a single chip microcomputer communication circuit, an output circuit for controlling the first electric control module/the second electric control module and an analog-to-digital conversion circuit respectively, and the analog-to-digital conversion circuit is electrically connected with the force sensor; the output circuit at least comprises a digital-to-analog conversion circuit and a power amplifier circuit.
6. The pile pressing structure for construction engineering according to claim 4, wherein: the first adjustable force assembly further comprises a sleeve set, the sleeve set is compressed and positioned through a flange, and the sleeve set comprises a first outer collar and a second outer collar; a shaft pad is arranged between the first outer shaft ring and the second outer shaft ring; a sealing gasket is arranged between the flange and the output shaft, the bottom of the compression plug head is adjusted in fixed position through an adjusting block, and a plug head outer ring, a plug head outer seal and a plug head reinforcing ring are sequentially arranged between the compression plug head and the shell.
7. A pile pressing structure for construction engineering according to any one of claims 1 or 3, wherein: the second adjustable force component comprises a main body and a telescopic shaft, the telescopic shaft is of a tubular hollow structure, a power output shaft is arranged in the telescopic shaft, an external thread is arranged on the power output shaft, an inner rotary sleeve and an outer rotary sleeve are connected to the periphery of the power output shaft, an internal thread is arranged on the inner rotary sleeve and the outer rotary sleeve, the external thread of the power output shaft is matched with the internal thread of the inner rotary sleeve and the outer rotary sleeve, and the inner rotary sleeve and the telescopic shaft are connected through an outer ring sleeve.
8. The pile pressing structure for construction engineering according to claim 5, wherein: the memory and the single chip microcomputer are configured, signals of the force sensors are obtained according to a serial port communication protocol during operation, specifically, digital signals converted by the force sensors are obtained, output signals for balanced regulation and control are calculated through the signal single chip microcomputer of the force sensors, and the output signals are output by the output circuit.
9. The pile pressing structure for construction engineering according to claim 8, wherein: the method comprises the steps that stored data of a memory are called when a single chip microcomputer calculates output signals for balanced regulation to obtain standard balanced regulation output signals, specifically, force sensors are all configured with physical addresses with different codes, a mapping table is configured in advance in a software layer to enable the force sensor identified by each physical address to correspond to the control end address of a corresponding first electric control module/second electric control module one by one, a data model enabling a pile column to be stressed in a pile pressing process is stored in the memory of the software layer, and force sensor signal data with different physical addresses are input into the data model in the calculation process to obtain the control end data and the data signals of the corresponding first electric control module/second electric control module; the data model for balancing the stress of the pile in the pile pressing process is converted into a corresponding mathematical model from a physical model for balancing the stress of the pile in the pile pressing process, and then the mathematical model is converted to obtain the data model; the data are software layer data, and the signals are digital signals or signals calculated by data.
10. The pile pressing structure for construction engineering according to claim 9, wherein: the singlechip communication circuit is used for configuring and optimizing a singlechip and a memory, and the singlechip and the memory are configured as follows: the optimization program of the singlechip communication circuit is obtained periodically or initially, and specifically comprises an optimization program for reconfiguring the singlechip and the memory by obtaining the material parameters and the stress parameters of the pile with the latest standard, and an optimization program for reconfiguring the singlechip and the memory by introducing the pile pressing rate as a consideration standard.
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| CN114808926A (en) * | 2022-06-08 | 2022-07-29 | 成都建工第三建筑工程有限公司 | Construction device for building underground space under existing independent foundation |
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| CN111945730B (en) | 2022-02-08 |
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