CN206928289U - A kind of synchronous hydraulic counter-force seals stake loading system - Google Patents
A kind of synchronous hydraulic counter-force seals stake loading system Download PDFInfo
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- CN206928289U CN206928289U CN201720787432.0U CN201720787432U CN206928289U CN 206928289 U CN206928289 U CN 206928289U CN 201720787432 U CN201720787432 U CN 201720787432U CN 206928289 U CN206928289 U CN 206928289U
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- hydraulic cylinder
- static pressure
- sealing
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 35
- 238000003825 pressing Methods 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 4
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 30
- 238000009434 installation Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000009424 underpinning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a kind of synchronous hydraulic counter-force to seal stake loading system, its drip irrigation device is to include piling cushion cap, some piling holes and static pressed pile, piling cushion cap is provided with envelope stake component at each piling hole, envelope stake component includes at least one hydraulic cylinder and support base, the static pressure girder being connected with support base above hydraulic cylinder, hydraulic-driven component is respectively connected with each envelope stake component, industrial PC and master controller are electrically connected with hydraulic-driven component;Hydraulic-driven component includes oil pump, variable-frequency motor, variable-frequency governor and solenoid directional control valve, oil pump is connected to solenoid directional control valve and variable-frequency motor, variable-frequency motor is connected to variable-frequency governor, solenoid directional control valve is connected to the oil inlet of hydraulic cylinder, pressure sensor is connected with hydraulic cylinder, displacement transducer is connected between hydraulic cylinder and the static pressure girder.The bearing capacity for each hydraulic cylinder that PLC is controlled is 500 tons in the application.
Description
Technical Field
The utility model relates to a seal a field, in particular to synchronous hydraulic pressure counter-force seal a lotus device.
Background
The anchor rod static pressure pile is a new underpinning technology for reinforcing soft foundation, and has many advantages compared with other underpinning technological innovations. The construction method has the advantages of no vibration, no noise, simple equipment, convenient operation and flexible movement, can be used for construction under the condition of narrow site and space, can be used for reinforcing and underpinning the foundation of the old house, can also be used for designing a newly-built house on a soft foundation, and can carry out engineering treatment under the conditions of no production stop and no moving when the old house is transformed.
The method has the advantages that the plurality of anchor rod static pressure piles are arranged in a transformation project, each anchor rod static pressure pile independently adopts a manual hydraulic pile sealing mode, if the number of the static pressure piles is too large, the control point increasing point of the manual hydraulic pile sealing is enabled, and when each anchor rod static pressure pile is subjected to loading pile sealing, the condition that the load distribution of the static pressure pile is uneven is easy to occur, so that the synchronism of the loading of the existing pile sealing of each static pressure pile is poor, and the pile sinking depth of each static pressure pile is uneven.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a synchronous hydraulic pressure counter-force is sealed a loading device has the high characteristics of every hydrostatic pile synchronism.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a synchronous hydraulic counter-force pile sealing and loading device comprises a pile pressing bearing platform, a plurality of pile pressing holes formed in the pile pressing bearing platform and a static pressure pile arranged in each pile pressing hole, wherein a pile sealing assembly is arranged at each pile pressing hole of the pile pressing bearing platform and comprises at least one hydraulic cylinder arranged on the static pressure pile and supporting seats connected to the pile pressing bearing platform and located on two sides of each pile pressing hole, a static pressure main beam located above the hydraulic cylinder is connected to each supporting seat, a hydraulic driving assembly is connected to each pile sealing assembly, and the hydraulic driving assembly is electrically connected with an industrial computer and a main controller; wherein,
the hydraulic drive assembly comprises an oil pump, a variable frequency motor, a variable frequency speed regulator and an electromagnetic directional valve, the oil pump is connected to the electromagnetic directional valve and the variable frequency motor respectively, the variable frequency motor is connected to the variable frequency speed regulator, the electromagnetic directional valve is connected to an oil inlet of the hydraulic cylinder, a pressure sensor is connected to the hydraulic cylinder, and a displacement sensor is connected between the hydraulic cylinder and the static pressure main beam.
Through the technical scheme, the industrial personal computer sends an instruction signal to the main controller, the main controller controls the oil pump to start through the variable-frequency speed regulator and the variable-frequency motor, the oil pump presses hydraulic oil into the hydraulic cylinder, the pressure sensor and the displacement sensor in each hydraulic driving assembly transmit the collected hydraulic cylinder load and displacement signals to the main controller, the main controller continuously compares the received pressure and displacement signals with the command signal, changes the output frequency of the variable frequency speed regulator after correcting the error value, so as to change the rotating speed of the variable frequency motor, adjust the motion parameters of the hydraulic cylinder in each pile sealing component and keep the hydraulic cylinder in each pile sealing component synchronously lifted, therefore, the hydraulic cylinders in each pile sealing assembly are controlled to ascend or descend, so that the displacement parameters of the hydraulic cylinders are kept consistent, and the purpose of controlling the pile sinking depth of each static pressure pile is achieved.
Preferably, a balance load balancing valve for balancing the load pressure of the hydraulic cylinder is arranged between the electromagnetic directional valve and the hydraulic cylinder.
Through the technical scheme, the load pressure of the hydraulic cylinder is balanced by the balanced load balancing valve, so that the hydraulic cylinder can still reliably bear the load in a power failure state.
Preferably, an overflow valve is installed between the oil pump and the electromagnetic directional valve.
Through above-mentioned technical scheme, the overflow valve is used for adjusting the pressure of oil pump output to prevent that the pneumatic cylinder from transshipping.
Preferably, an oil return filter is further mounted on the electromagnetic directional valve.
Through above-mentioned technical scheme, the oil return filter is in order to guarantee the cleanness of fluid, improves the reliability of the synchronous lift of pneumatic cylinder and improves the life of pneumatic cylinder.
Preferably, the quantity of pneumatic cylinder sets up two, is connected with two branch on the displacement sensor, all is connected with on every branch and cup joints the clamp of fixing on the pneumatic cylinder, and wherein, displacement sensor adopts stay cord displacement sensor, and displacement sensor's stay cord is connected on the lower surface of static pressure girder.
Through above-mentioned technical scheme, branch passes through the clamp to be fixed on the pneumatic cylinder, and displacement sensor is used for measuring the displacement volume that two pneumatic cylinders go up and down in step, and displacement sensor installation reliability is high to when two pneumatic cylinders oscilaltion, displacement sensor's measurement accuracy is high.
Preferably, the hydraulic cylinder is provided with scale marks for distance measurement.
Through above-mentioned technical scheme, when displacement sensor passes through the clamp and installs on the pneumatic cylinder, the scale sign can provide the direction for the installation of clamp for the installation of two clamps is in on the same water flat line, in order to further improve displacement sensor measurement displacement's precision.
Preferably, the two sides of the supporting seat are respectively connected with a first supporting plate, a screw rod penetrates through the first supporting plate, a first locking nut which abuts against the lower surface of the first supporting plate is in threaded connection with the screw rod, the two sides of the static pressure main beam are connected with a second supporting plate, the other end of the screw rod penetrates through the second supporting plate, and a second locking nut which abuts against the upper surface of the second supporting plate is in threaded connection with the other end of the screw rod.
Through the technical scheme, arrange the pile that presses in this pile hole with the static pressure stake, on arranging the static pressure stake in with the static pressure post is coaxial, and arrange the jack in on the static pressure post coaxially, pass through bolt assembly setting in the both sides in pile hole with the supporting seat, arrange the jack in with the static pressure girder, the screw rod passes the first bearing plate of supporting seat and the second bearing plate of static pressure girder respectively, through the lower surface with first lock nut locking at first bearing plate, second lock nut locking is at the upper surface of second bearing plate, the static pressure of static pressure stake can be accomplished through the drive jack, above-mentioned counter-force is sealed a loading device and is comparatively light, with the convenience of effectively improving the installation.
To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:
the main controller continuously compares the received pressure and displacement signals with the command signals, changes the output frequency of the variable frequency speed regulator after correcting the error value, changes the rotating speed of the variable frequency motor, adjusts the motion parameters of the hydraulic cylinders in each pile sealing assembly, and keeps the synchronous lifting of the hydraulic cylinders in each pile sealing assembly, so that the displacement parameters of each hydraulic cylinder are kept consistent by controlling the lifting or the descending of the hydraulic cylinders in each pile sealing assembly, and the purpose of controlling the pile sinking depth of each static pressure pile is achieved.
Drawings
FIG. 1 is a schematic view of an embodiment of an installation of a stake sealing assembly;
FIG. 2 is a schematic structural diagram of a hydraulic drive assembly in an embodiment;
fig. 3 is a schematic connection diagram of a hydraulic drive assembly in an embodiment.
Reference numerals: 1. pressing a pile cap; 2. pile pressing holes; 3. static pressure piles; 4. a pile sealing assembly; 41. a static pressure column; 42. a hydraulic cylinder; 43. a supporting seat; 44. a bolt assembly; 45. a first support plate; 46. a screw; 47. a first lock nut; 48. a static pressure main beam; 49. a second support plate; 50. a second lock nut; 5. a displacement sensor; 6. a strut; 7. clamping a hoop; 8. and (5) scale marking.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a synchronous hydraulic counter-force pile-sealing loading device comprises a pile-pressing bearing platform 1, a plurality of pile-pressing holes 2 arranged on the pile-pressing bearing platform 1, and a static pressure pile 3 arranged in each pile-pressing hole 2, wherein the pile-pressing bearing platform 1 is provided with a pile-sealing assembly 4 at each pile-pressing hole 2, the pile-sealing assembly 4 comprises a static pressure column 41 coaxially arranged on the static pressure pile 3, at least one hydraulic cylinder 42 arranged on the static pressure column 41, and a support seat 43 connected to the pile-pressing bearing platform 1 and located at two sides of the pile-pressing hole 2, the support seat 43 is connected to the pile-pressing bearing platform 1 through a bolt assembly 44, two sides of the support seat 43 are respectively connected with a first support plate 45, a screw rod 46 penetrates through the first support plate 45, a first lock nut 47 abutting against the lower surface of the first support plate 45 is in threaded connection with the screw rod 46, a static pressure main beam 48 is arranged above the hydraulic cylinder 42, two sides of the static pressure main, the other end of the screw 46 is inserted into the second support plate 49 and is threadedly connected with a second lock nut 50 abutting against the upper surface of the second support plate 49.
In this embodiment, the number of the supporting seats 43 is two, and each of the first supporting plates 45 is provided with a screw 46 in a penetrating manner, so that the number of the screws 46 is four.
Referring to fig. 2 and 3, each pile sealing assembly 4 is connected with a hydraulic driving assembly, and the hydraulic driving assembly is electrically connected with an industrial control computer and a main controller through an industrial network communication bus.
The hydraulic driving assembly comprises an oil tank, an oil pump, a variable frequency motor, a variable frequency speed regulator and an electromagnetic directional valve, wherein the oil pump is arranged in the oil tank and used for pumping hydraulic oil, the oil pump is respectively connected with the electromagnetic directional valve and the variable frequency motor, the variable frequency motor is connected with the variable frequency speed regulator, each hydraulic cylinder 42 is provided with an oil inlet, the oil inlet comprises an upper oil port and a lower oil port, the electromagnetic directional valve is provided with a port P, a port T, a port A and a port B, the port A of the electromagnetic directional valve is connected with the oil tank through an oil return filter, the port B is connected with the oil pump, the port P is connected with the upper oil port of each hydraulic cylinder 42, the port T is connected with the lower oil port of each hydraulic cylinder 42, therefore, the port P and the port A of the electromagnetic directional valve are communicated, when the; when the electromagnetic directional valve is switched so that the port P communicates with the port B and the port T communicates with the port a, the oil pump injects hydraulic oil to the upper oil port of the hydraulic cylinders 42, and each hydraulic cylinder 42 is in a descending state.
An overflow valve for adjusting the pressure output by the oil pump is arranged between the port A and the port B of the electromagnetic directional valve, a balance load balancing valve for balancing the load pressure of the hydraulic cylinders 42 is arranged between the port P and the port T of the electromagnetic directional valve, and a safety valve is arranged between the balance load balancing valve and each hydraulic cylinder 42. Wherein, a lower oil port of each hydraulic cylinder 42 is connected with a pressure sensor, and the pressure sensor is used for collecting the load pressure of the hydraulic cylinder 42.
Wherein, a displacement sensor 5 is connected between the hydraulic cylinder 42 and the static pressure main beam 48. In this embodiment, the quantity of pneumatic cylinder 42 sets up two, is connected with two branch 6 on the displacement sensor 5, all is connected with on every branch 6 to cup joint the clamp 7 of fixing on pneumatic cylinder 42, and wherein, displacement sensor 5 adopts stay cord displacement sensor 5, and displacement sensor 5's stay cord is connected on the lower surface of static pressure girder 48, is provided with the scale sign 8 that is used for the range finding on the pneumatic cylinder 42.
It is worth mentioning that an air filter is also mounted on the oil tank.
The working process is as follows:
placing a static pressure pile 3 in the pile pressing hole 2, coaxially placing a static pressure column 41 on the static pressure pile 3, placing two hydraulic cylinders 42 on the static pressure column 41, arranging a support seat 43 at two sides of the pile pressing hole 2 through a bolt assembly 44, hooking a hook of a chain block on a hoisting ring of a static pressure main beam 48 so as to place the static pressure main beam 48 above the hydraulic cylinders 42, respectively enabling a screw 46 to penetrate through a first support plate 45 of the support seat 43 and a second support plate 49 of the static pressure main beam 48, locking a first locking nut 47 on the lower surface of the first support plate 45 and locking a second locking nut 50 on the upper surface of the second support plate 49, at the moment, placing the static pressure main beam 48 on the hydraulic cylinders 42, and at the moment, completing the static pressure of the static pressure pile 3 by driving the hydraulic cylinders 42;
the displacement sensor 5 is connected to the hydraulic cylinder 42 of each pile sealing assembly 4 through a hoop 7, an industrial personal computer is operated to send command signals (the command signals are input into the displacement required for pile sinking) to a main controller, the main controller controls an oil pump to start through a variable frequency speed regulator and a variable frequency motor, the oil pump presses hydraulic oil into the hydraulic cylinder 42, a pressure sensor and the displacement sensor 5 in each hydraulic driving assembly transmit collected load and displacement signals of the hydraulic cylinder 42 to the main controller, the main controller continuously compares the received pressure and displacement signals with the command signals, changes the output frequency of the variable frequency speed regulator after correcting error values to change the rotating speed of the variable frequency motor so as to adjust the motion parameters of the hydraulic cylinder 42 in each pile sealing assembly 4 to keep the hydraulic cylinder 42 in each pile sealing assembly 4 to synchronously lift, thereby, the lifting or descending of the hydraulic cylinder 42 in each pile sealing assembly 4 is controlled, so that the displacement parameters of each hydraulic cylinder 42 are kept consistent, and the aim of controlling the pile sinking depth of each hydrostatic pile 3 is fulfilled.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (7)
1. A synchronous hydraulic counter-force pile sealing and loading device comprises a pile pressing bearing platform (1), a plurality of pile pressing holes (2) formed in the pile pressing bearing platform (1), and static pressure piles (3) arranged in each pile pressing hole (2), wherein a pile sealing assembly (4) is arranged at each pile pressing hole (2) of the pile pressing bearing platform (1), each pile sealing assembly (4) comprises at least one hydraulic cylinder (42) arranged on each static pressure pile (3) and supporting seats (43) connected to the pile pressing bearing platform (1) and located on two sides of each pile pressing hole (2), a static pressure main beam (48) located above each hydraulic cylinder (42) is connected to each supporting seat (43), and the synchronous hydraulic counter-force pile sealing and loading device is characterized in that each pile sealing assembly (4) is connected with a hydraulic driving assembly, and the hydraulic driving assembly is connected with an industrial computer and a controller; wherein,
the hydraulic drive subassembly includes oil pump, inverter motor, variable frequency speed regulator and electromagnetic directional valve, the oil pump is connected respectively in electromagnetic directional valve and inverter motor, inverter motor connects in variable frequency speed regulator, the electromagnetic directional valve is connected in the oil inlet of pneumatic cylinder (42), be connected with pressure sensor on pneumatic cylinder (42), wherein, be connected with displacement sensor (5) between pneumatic cylinder (42) and static pressure girder (48).
2. The synchronous hydraulic counterforce pile-sealing loading device of claim 1, wherein a balance load-equalizing valve for equalizing the load pressure of the hydraulic cylinder (42) is installed between the electromagnetic directional valve and the hydraulic cylinder (42).
3. The synchronous hydraulic counterforce pile-sealing loading device of claim 2, wherein an overflow valve is installed between the oil pump and the electromagnetic directional valve.
4. The synchronous hydraulic counterforce pile-sealing loading device of claim 3, wherein an oil return filter is further mounted on the electromagnetic directional valve.
5. The synchronous hydraulic counter-force pile-sealing loading device is characterized in that two hydraulic cylinders (42) are arranged, two support rods (6) are connected to the displacement sensor (5), a hoop (7) which is sleeved and fixed on the hydraulic cylinders (42) is connected to each support rod (6), the displacement sensor (5) adopts a pull rope displacement sensor (5), and pull ropes of the displacement sensor (5) are connected to the lower surface of a static pressure main beam (48).
6. The synchronous hydraulic counterforce pile-sealing loading device of claim 5, characterized in that the hydraulic cylinder (42) is provided with a scale mark (8) for distance measurement.
7. The synchronous hydraulic counter-force pile-sealing loading device as claimed in claim 1, wherein two sides of the supporting seat (43) are respectively connected with a first supporting plate (45), a screw rod (46) penetrates through the first supporting plate (45), a first locking nut (47) abutting against the lower surface of the first supporting plate (45) is in threaded connection with the screw rod (46), two sides of the static pressure main beam (48) are connected with a second supporting plate (49), the other end of the screw rod (46) penetrates through the second supporting plate (49) and is in threaded connection with a second locking nut (50) abutting against the upper surface of the second supporting plate (49).
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CN201720787432.0U CN206928289U (en) | 2017-07-01 | 2017-07-01 | A kind of synchronous hydraulic counter-force seals stake loading system |
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CN201720787432.0U CN206928289U (en) | 2017-07-01 | 2017-07-01 | A kind of synchronous hydraulic counter-force seals stake loading system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110873084A (en) * | 2019-12-17 | 2020-03-10 | 杭州圣基建筑特种工程有限公司 | Intelligent pile pressing data monitoring system for pile foundation injection |
CN112723175A (en) * | 2021-04-01 | 2021-04-30 | 广东力源液压机械有限公司 | Automatic overload protection control method and device for engineering machinery vibration hammer |
-
2017
- 2017-07-01 CN CN201720787432.0U patent/CN206928289U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110873084A (en) * | 2019-12-17 | 2020-03-10 | 杭州圣基建筑特种工程有限公司 | Intelligent pile pressing data monitoring system for pile foundation injection |
CN112723175A (en) * | 2021-04-01 | 2021-04-30 | 广东力源液压机械有限公司 | Automatic overload protection control method and device for engineering machinery vibration hammer |
CN112723175B (en) * | 2021-04-01 | 2021-06-01 | 广东力源液压机械有限公司 | Automatic overload protection control method and device for engineering machinery vibration hammer |
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