CN109339481B - Full-automatic translation device for building and construction method thereof - Google Patents
Full-automatic translation device for building and construction method thereof Download PDFInfo
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- CN109339481B CN109339481B CN201811479112.4A CN201811479112A CN109339481B CN 109339481 B CN109339481 B CN 109339481B CN 201811479112 A CN201811479112 A CN 201811479112A CN 109339481 B CN109339481 B CN 109339481B
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- 238000013519 translation Methods 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 25
- 238000009424 underpinning Methods 0.000 claims description 24
- 230000001360 synchronised effect Effects 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 17
- 230000005012 migration Effects 0.000 claims description 7
- 238000013508 migration Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
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- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
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Abstract
The invention relates to a full-automatic translation device for a building, wherein a power system of the full-automatic translation device comprises one or more groups of thrust devices, the thrust devices are formed by connecting clamping cylinders and pushing cylinders, and the pushing cylinders which are horizontally arranged can clamp and loosen a lower rail beam through the clamping cylinders which are vertically arranged. The device has simple structure and convenient operation, realizes full-automatic translation of the building, can ensure the balance of building jacking and the synchronization of translation, and is safe and reliable. According to the building translation construction method, the step of prefabricating the fixed reaction device is omitted, the clamping oil cylinder is used as the movable reaction device, and the clamping oil cylinder is driven to move while the pushing oil cylinder is retracted, so that full-automatic translation is realized. And the balance of building jacking and the pushing synchronism can be ensured, and the device is particularly suitable for long-distance translation of buildings.
Description
Technical Field
The invention relates to the field of building displacement engineering, in particular to a full-automatic translation device for a building and a construction method thereof.
Background
Demolition or building displacement is often required for various reasons such as municipal road extension, site use changes, etc. In particular to the original translation of a building to other positions in order to protect the original appearance of the existing building when the cultural relics are ancient. Building displacement techniques are required.
The displacement of the building is similar to the horizontal transportation of large-scale equipment, and the difference is that the deformation resistance of the building is poor, so when the building is translated, the building is reinforced according to actual conditions, then a joist system and a travelling mechanism are constructed below the building, then a lower slideway is constructed along a migration route, and finally external pushing force or traction force is applied to the joist system to enable the building to be translated to a new foundation along the lower slideway by the travelling mechanism.
Chinese patent CN106760619a discloses a building translation device and a construction method thereof, the building translation device of the present invention comprises a displacement rail, a travelling mechanism above the displacement rail, and a power mechanism connected with the travelling mechanism and providing power for moving the building. The shifting track is in split assembly type and comprises a plurality of track units, at least two batches of track units are assembled, one batch is converted, the two batches are converted, and the shifting track is advanced alternately. The power mechanism comprises a jack and a counterforce member, the lower part of the counterforce member can be connected with the track unit, the jack is arranged between the counterforce member and the underpinning beam, and the building is pushed to shift through the jack and the counterforce member. In the technical scheme of the invention, the counterforce component is fixed. When the jack is pushed out to reach the maximum stroke, the jack and the counterforce component are disassembled and reinstalled, so that the next pushing action can be continued. In order to reduce the burden of manual movement, a trolley is also required to be configured to carry the jack. The above counter-force members and the manner of installation and operation of the jack are also currently a common solution. The disadvantage of this approach is that the building translation process cannot be performed continuously, requires manual handling, and is inefficient.
Chinese patent CN108868191a discloses a following movable reaction device for integral translation of a structure, the following movable reaction device is disposed between a joist and a lower rail beam, and is composed of a steel bolster, a first steel corbel and a second steel corbel fixed at front and rear ends of the steel bolster, and an upper slide plate and a lower slide plate disposed on upper and lower surfaces of the steel bolster. The second steel corbel is connected with the lower track beam through pin joint, the first jack is fixed on one side close to the second steel corbel, and the second jack is fixed on one side close to the first steel corbel. The working process is as follows: the first jack is arranged on a second steel bracket serving as a counter-force support, pushes the building to move forwards, and the oil cylinder of the first jack is retracted after the first jack reaches a stroke; lifting a pin key on the second steel bracket through lifting equipment to separate the second steel bracket from the lower track beam, starting a second jack, wherein the second jack is arranged on the first steel bracket, and pushing the first steel bracket, the second steel bracket and the steel pad beam to move forwards together to a proper position; and re-pinning the second steel corbel with the lower track beam. The above process is repeated to move the building to the designated location. The reaction device can be moved to a new position under the pushing of another auxiliary jack (a second jack). Although the movement of the reaction force device is more labor-saving than the manual transportation, the reaction force device still has some defects. First, this counterforce device includes jack and lifting device, and a plurality of other spare parts still, and the structure is very complicated. Secondly, when the reaction force device moves, the pin key on the second steel bracket is lifted by the lifting equipment, and the reaction force device moves in place and then is re-matched with the lower rail Liang Xiaojie, so that the movement process of the reaction force device is complex and the efficiency is low. Thirdly, the moving process of the counterforce device is more in decomposition action, the movement of the counterforce device and the pushing action of the main jack are separately carried out, the counterforce device and the pushing action of the main jack are accurately matched with each other, the accuracy of each action cycle is ensured, the moving process of the whole building can be smoothly carried out, the requirement on the aspect of realizing the full-automatic control of the building is higher, and hidden dangers are buried for the smooth translation of the building. Fourth, this counterforce device is connected through the round pin axle with lower track roof beam, and when the building moved, the round pin axle probably can not bear very big thrust produced counterforce and fracture inefficacy in the lapse.
Disclosure of Invention
Aiming at the defects or shortcomings of the prior art, the invention aims to provide the full-automatic building translation device with simple structure, convenient operation, high efficiency and high safety and the construction method thereof.
In order to solve the technical problems, the invention comprises the following components:
the full-automatic translation device for the building comprises a underpinning beam system for bearing the building, a travelling mechanism supported and fixed below the underpinning beam system, a lower rail beam arranged on a foundation along a moving route, and a power system for pushing the building to move, wherein the power system is connected with the underpinning beam system and pushes the underpinning beam system and the building above to translate on the lower rail beam through the travelling mechanism, the power system comprises one or more groups of thrust devices, a hydraulic total station and a hydraulic control system for controlling the action of the thrust devices, the hydraulic total station is connected with the thrust devices and the hydraulic control system through hydraulic pipelines, the thrust devices are formed by connecting a clamping cylinder and a pushing cylinder, the axis of the pushing cylinder is horizontally arranged, one end of the pushing cylinder is connected with the underpinning beam system to push the building, the other end of the pushing cylinder is connected with the clamping cylinder, the clamping cylinder is vertically arranged, and the clamping cylinder can clamp and release the lower rail beam.
The power system also comprises a displacement sensor and a pressure sensor which are arranged on each pushing cylinder.
The hydraulic control system in the power system is a PLC hydraulic synchronous control system, and the PLC hydraulic synchronous control system automatically collects thrust data and displacement data of each thrust device according to the pressure sensor and the displacement sensor and controls synchronous pushing of each thrust device through a displacement closed loop and a pressure closed loop.
The running mechanism is a floating shoe, the floating shoe comprises one or more double-acting hydraulic jacks, a sliding plate, a hydraulic pump station and a shoe control system, the sliding plate, the hydraulic pump station and the shoe control system are fixed below the floating shoe, the double-acting hydraulic jacks are supported below the underpinning beam and slide along the upper surface of the lower rail beam together with the sliding plate, a pressure sensor is arranged on each double-acting hydraulic jack, and the shoe control system adjusts the height of each double-acting hydraulic jack according to the relation between the measured actual pressure of each supporting point and a preset floating pressure value, so that the actual pressure of each supporting point is equal.
A building translation construction method comprises the following steps:
building reinforcement: the building is reinforced as necessary to ensure the structural safety in the translation process;
and (3) foundation treatment: carrying out bearing capacity checking calculation on the foundation on the migration route and at the new site, and if the bearing capacity is insufficient, adopting corresponding measures to carry out reinforcement treatment;
and (3) lower rail beam construction: taking a plane as a moving surface of a moving object, and constructing a lower rail beam below the plane along a moving route;
and (3) overall underpinning: constructing a travelling mechanism and a joist system above a moving surface in the range of the existing building;
and (3) installing a power system: one or more groups of thrust devices, a hydraulic total station and a hydraulic control system in the power system are installed, the thrust devices are formed by connecting a clamping oil cylinder and a pushing oil cylinder, the pushing oil cylinder pushes a building to translate, and the clamping oil cylinder is a movable counterforce device;
building translation: the hydraulic control system of the power system controls the thrust device to automatically complete one or more strokes and translate the building to a new foundation;
dismantling a power system and a lower rail beam;
the building is reliably connected with the new foundation.
In the sixth step, the building translation process is formed by continuous circulation of one stroke or a plurality of strokes, the hydraulic control system of the power system controls the actions of each clamping oil cylinder and pushing oil cylinder through a hydraulic loop, and the working process of each stroke is as follows:
the clamping oil cylinder clamps the lower rail beam, and the pushing oil cylinder starts to push the building to translate, so that the clamping oil cylinder bears the reaction force of the pushing force;
pushing out the piston of the pushing cylinder to the forefront end;
the clamping cylinder loosens the lower rail beam;
the pushing cylinder is retracted forwards, and drives the clamping cylinder to retract to the forefront end together;
the clamping cylinder clamps the lower rail beam again.
In the sixth step, displacement sensors and pressure sensors are arranged in each group of thrust devices in the power system, each pressure sensor is arranged on each pushing cylinder, stress of each pushing cylinder is detected, each displacement sensor is also arranged on each pushing cylinder, cylinder stroke of each pushing cylinder is detected, and the hydraulic control system controls synchronous pushing of each thrust device through a displacement closed loop and a pressure closed loop.
In the fourth step, the travelling mechanism is a floating shoe, the floating shoe comprises one or more double-acting hydraulic jacks, a sliding plate, a hydraulic pump station and a shoe control system, the sliding plate, the hydraulic pump station and the shoe control system are fixed below the floating shoe, the double-acting hydraulic jacks are supported below the underpinning beam and slide along the upper surface of the lower rail beam together with the sliding plate, a pressure sensor is arranged on each double-acting hydraulic jack, and the shoe control system adjusts the height of each double-acting hydraulic jack according to the relation between the measured actual pressure and a preset floating pressure value, so that the pressure balance of each supporting point of the floating shoe is ensured.
Compared with the prior art, the invention has the advantages that:
in the working process of the device, the clamping oil cylinder in the thrust device fixes the pushing oil cylinder on the lower rail beam to play a role of a counterforce device, and the counterforce devices such as a cushion block, a top iron and the like are not needed. Meanwhile, the clamping oil cylinder and the pushing oil cylinder are connected into a whole, and the clamping oil cylinder can automatically move forward along with the pushing oil cylinder after pushing of one stroke is completed. The cylinder retracting action of the pushing cylinder also moves the counter-force device, thereby achieving two purposes. The connection action between two pushing strokes is simply and efficiently solved. Therefore, the thrust device has simple structure and convenient operation, fully realizes full automation in the translation process of the building, and is particularly suitable for long-distance translation of the building. Meanwhile, the construction cost is reduced, and the working efficiency is improved.
The PLC hydraulic synchronous control system adopted by the power system is a comprehensive force and displacement control method, and the comprehensive force and displacement control method is established on the basis of double closed loop control of force and displacement, so that the synchronism of each thrust device is ensured, the additional stress suffered by a building in the translation process is reduced to the minimum, and the structural safety is ensured. The walking mechanism is a floating sliding foot, and the height of each supporting point of the floating sliding foot can be automatically adjusted so as to automatically compensate the pressure change of each supporting point caused by the deformation of the track, thereby ensuring the pressure balance of each supporting point and preventing the deformation of the building structure. The building is synchronously lifted. The two points ensure that the building is not deformed in the two directions of lifting and translating the building, and the translation can be successfully completed.
Therefore, the full-automatic translation device for the building is simple in structure and convenient to operate, achieves full-automatic translation of the building, achieves balance of lifting of the building and synchronization of translation, ensures invariance of the building, and can smoothly finish translation.
Compared with the conventional translation method, the translation construction method of the building omits the step of prefabricating the reinforced concrete counterforce member, but uses the clamping oil cylinder as a movable counterforce member, and the movement of the clamping oil cylinder is carried out simultaneously along with the cylinder retraction of the oil cylinder, so that the material and labor cost are saved. And each translation stroke can be automatically connected, so that the full automation of the translation process is realized, and the method is very suitable for long-distance migration of buildings.
Step four, using a floating sliding foot as a travelling mechanism, wherein the height of the floating sliding foot can be automatically adjusted, so that the synchronous jacking of a building is ensured; in the sixth step, the hydraulic control system ensures the pushing synchronicity of each thrust device according to the closed-loop control of the force and the displacement, so the building translation construction method can ensure the building invariance and smoothly finish the translation.
Drawings
Fig. 1: the structure schematic diagram of the full-automatic translation device for the building is provided;
fig. 2: the invention relates to a state diagram of a pushing device of a full-automatic translation device of a building when pushing out;
fig. 3: the invention relates to a state diagram of a thrust device pushing an oil cylinder of a full-automatic translation device of a building when the oil cylinder is retracted;
fig. 4: the invention relates to a schematic diagram of a travelling mechanism of a full-automatic translation device for a building.
Detailed Description
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
The external power for building translation adopts pushing force or pulling force, and needs to be determined according to the actual situation of the surrounding environment of the shifted building. When the traction type translation is adopted, only one counterforce device is required to be arranged, the traction oil cylinder and the counterforce device do not need to repeatedly move, but the traction oil cylinder and the counterforce device occupy a certain place, and a certain distance between a new building site and a front adjacent building is required to be met. If the condition is not allowed, pushing type translation is adopted.
The pushing type translation is that a plurality of pushing cylinders 111 are arranged behind the building according to the power required by the displacement of the building, and a counterforce device is designed for the pushing cylinders 111. Because the stroke of the oil cylinder is limited, if the building needs to move a long distance, the movement can be completed through a plurality of pushing strokes. The pushing cylinder 111 and the reaction force device need to move the position after each pushing stroke, and a plurality of strokes need to be shifted for a plurality of times to achieve the final objective. If the pushing cylinder 111 and the counterforce device can automatically shift, the pushing strokes can be automatically connected, so that the building translation process can be fully automated. The invention provides a full-automatic translation device.
As shown in fig. 1, the full-automatic translation device for the building comprises a underpinning beam system 2 for bearing the building, a travelling mechanism 3 supported and fixed below the underpinning beam system 2, a lower rail beam 4 arranged on a foundation along a moving route, and a power system 1 for pushing the building to move, wherein the power system 1 is connected with the underpinning beam system 2 and pushes the underpinning beam system 2 and the building above to translate on the lower rail beam 4 through the travelling mechanism 3, so that the whole migration of the building is realized.
The power system 1 comprises one or more groups of thrust devices 11, a hydraulic total station 12 and a hydraulic control system 13 for controlling the action of the thrust devices 11. The hydraulic total station 12 is connected with the thrust device 11 and the hydraulic control system 13 through hydraulic pipelines. The thrust device 11 is composed of a clamping cylinder 112 and a pushing cylinder 111, which are connected into a whole. The axis of the pushing cylinder 111 is parallel to the lower rail beam 4, the end of the piston is connected with the underpinning beam system 2, and the other end of the pushing cylinder 111 is connected with the clamping cylinder 112. The clamp cylinder 112 axis is arranged perpendicular to the lower rail beam 4. The lower part of the clamping cylinder 112 is provided with a pi-shaped opening, the pi-shaped opening is ridden on the lower rail beam 4, two sides of the pi-shaped opening are clamping mechanisms, two sides of the pi-shaped opening are clamping surfaces, when the clamping mechanisms extend out, the clamping surfaces clamp the two sides of the lower rail beam 4, the clamping cylinder 112 is in a clamping state, and conversely, the clamping cylinder 112 is in a loosening state. The pushing working process of the pushing device 11 is as follows: the first step, pushing the oil cylinder 111 to start pushing the building to translate, and at this time, the clamping oil cylinder 112 clamps the lower rail beam 4 to bear the reaction force of the pushing force; second, see fig. 2, the piston of the pushing cylinder 111 is pushed out to the forefront end; thirdly, loosening the lower rail beam 4 by the clamping cylinder 112; fourth, see fig. 3, the pushing cylinder 111 is retracted forward, and the pushing cylinder 111 and the clamping cylinder 112 are retracted together to the forefront end; fifth, the clamping cylinder 112 clamps the lower rail 4 again, and a stroke is completed. Then, the pushing cylinder 111 is pushed out again to start the next stroke. And the long-distance translation work of the building is finally completed by circularly carrying out a plurality of strokes. The hydraulic control system 13 of the power system 1 controls the clamping and unclamping actions of each clamping cylinder 112 and the pushing and retracting actions and strokes of the pushing cylinder 111, and the sequence of the actions through a hydraulic circuit.
The pushing cylinder 111 is fixed to the lower rail beam 4 by the clamp cylinder 112, and the clamp cylinder 112 functions as a reaction force device, and no reaction force device such as a cushion block or a top iron is required. Meanwhile, the clamping oil cylinder 112 and the pushing oil cylinder 111 are connected into a whole, and the clamping oil cylinder 112 can automatically move forward along with the pushing oil cylinder 111 after pushing of one stroke is completed. The cylinder retracting action of the pushing cylinder 111 also moves the counter-force device, thereby achieving two purposes. The technical scheme is convenient for realizing full automation of the translation process of the building, and is particularly suitable for long-distance translation of the building. Meanwhile, the construction cost is reduced, and the working efficiency is improved.
Typically, a building requires multiple sets of thrust devices 11 to be pushed together. The multiple groups of thrust devices 11 often generate an asynchronous phenomenon due to load difference in translational construction, and can cause additional stress on a building, thereby causing deformation and cracking of the building structure and having great potential safety hazard. Therefore, each group of thrust devices 11 in the power system 1 is provided with a displacement sensor and a pressure sensor, and each pressure sensor is arranged on each pushing cylinder 111 to detect the stress of each pushing cylinder 111; each displacement sensor is also provided on each pushing cylinder 111, and detects the cylinder stroke of each pushing cylinder 111. The hydraulic control system 13 of the present embodiment uses a PLC hydraulic synchronous control system. The PLC hydraulic synchronous control system controls the synchronous pushing of each thrust device 11 through a displacement closed loop and a pressure closed loop. When the pushing mode is in an automatic state, pushing buttons of the console are pressed, a pressure sensor and a displacement sensor automatically collect thrust data and displacement data of each thrust device 11, the data are transmitted to a PCL hydraulic synchronous control system, and the PCL hydraulic synchronous control system controls the thrust of each pushing oil cylinder 111 to be matched with the actual stress according to the data, starts and stops each pushing oil cylinder 111 and adjusts the pushing speed of each position to be consistent, so that the pushing synchronous error is automatically controlled within a range of 1 mm. When the pushing mode is in a manual state, a user can press a button on the console to control the clamping cylinder 112 and the pushing cylinder 111 to act at will, and the synchronous error caused by uneven load can be corrected, so that synchronous pushing is realized. The high synchronism of each supporting point in the translation of the building is ensured, the additional stress suffered by the building in the translation process can be reduced to the minimum, the displacement and the posture of the building are controlled, and the safety of the traction process can be well ensured.
As shown in fig. 4, the travelling mechanism 3 of the present invention is a floating runner, comprising one or more double-acting hydraulic jacks 31 and a slide plate 32, a hydraulic pump station 33 and a runner control system 34 fixed thereunder. The double acting hydraulic jack 31 is supported below the joist and slides along the upper surface of the lower rail beam 4 together with the slide plate 32. Each double-acting hydraulic jack 31 is provided with a pressure sensor, and the shoe control system 34 controls the hydraulic pump station 33 to supply or drain oil for the double-acting hydraulic jack 31 according to the relation between the measured actual pressure and the preset floating pressure value, so that the double-acting hydraulic jack 31 is ejected or retracted to change the height of each double-acting hydraulic jack 31 to adjust the actual pressure born by each supporting point of the floating shoe to be equal, and the building cannot be deformed.
The height of the travelling mechanism 3 can be automatically adjusted to automatically compensate the pressure change of each supporting point caused by rail deformation, so that the pressure balance of each supporting point can be ensured, and the deformation of the building structure can be prevented. The building is synchronously lifted.
In the thrust device 11 in the power system 1 of the full-automatic translation device, the cylinder retracting action of the pushing cylinder 111 drives the clamping cylinder 112 serving as a counter-force device to move to a new position together, so that two purposes are achieved. And the thrust device 11 has simple structure, simple and convenient operation and easy automatic control. Therefore, the invention realizes the full-automatic translation of the building. Is especially suitable for long-distance translation of buildings.
The PLC hydraulic synchronous control system in the power system 1 can ensure the pushing synchronism of each thrust device 11 according to the closed-loop control of force and displacement. Meanwhile, the floating sliding feet are used as the travelling mechanism 3, the height of the floating sliding feet can be automatically adjusted, and the synchronous jacking of the building is ensured. The two points ensure that the building is not denatured in the two directions of building lifting and translation, and the translation can be successfully completed.
A building translation construction method comprises the following steps:
building reinforcement: before translation, carrying out necessary reinforcement on the house according to a house quality detection conclusion so as to ensure the structural safety in the translation process;
and (3) foundation treatment: according to hydrogeology, carrying out bearing capacity checking calculation on the foundation on the migration route and at the new site, and if the bearing capacity is insufficient, adopting corresponding measures to carry out reinforcement treatment;
and (3) constructing a lower slide way: taking a plane as a moving surface of a moving object, and constructing a lower track beam below the plane along a moving route;
and (3) overall underpinning: constructing a travelling mechanism 3 and a joist system 2 above a moving surface in the range of the existing building;
installing a power system 1: one or more groups of thrust devices 11, a hydraulic total station 12 and a hydraulic control system 13 in the power system 1 are installed, the thrust devices 11 are formed by connecting a clamping oil cylinder 112 and a pushing oil cylinder 111, the pushing oil cylinder 111 pushes a building to translate, and the clamping oil cylinder 112 is a movable counterforce device;
building translation: the hydraulic control system 13 of the power system 1 controls the thrust device 11 to automatically complete one or more strokes and translate the building to a new foundation;
dismantling the power system 1 and the lower rail beam 4;
the building is reliably connected with the new foundation.
In step six, the building translation process is formed by one stroke or a plurality of strokes continuously and circularly, the hydraulic control system 13 of the power system 1 controls the actions of the clamping oil cylinder 112 and the pushing oil cylinder 111 through a hydraulic circuit, and the working process of each stroke is as follows:
the clamping oil cylinder 112 clamps the lower rail beam 4, and the pushing oil cylinder 111 starts to push the building to translate, and at the moment, the clamping oil cylinder 112 clamps the lower rail beam 4 to bear the reaction force of the pushing force;
pushing the piston of the pushing cylinder 111 to the forefront end;
the clamping cylinder 112 releases the lower rail beam 4;
the pushing cylinder 111 is retracted forwards, and the pushing cylinder 111 drives the clamping cylinder 112 to retract to the forefront end together;
the clamp cylinder 112 clamps the lower rail 4 again.
In the sixth step, each group of thrust devices 11 in the power system 1 is provided with a displacement sensor and a pressure sensor, each pressure sensor is mounted on each pushing cylinder 111 to detect the stress of each pushing cylinder 111, each displacement sensor is also mounted on each pushing cylinder 111 to detect the cylinder stroke of each pushing cylinder 111, and the hydraulic control system 13 controls the synchronous pushing of each thrust device 11 through a displacement closed loop and a pressure closed loop.
In the fourth step, the running mechanism 3 is a floating shoe, the floating shoe comprises one or more double-acting hydraulic jacks 31, a sliding plate 32, a hydraulic pump station 33 and a shoe control system 34, wherein the sliding plate 32, the hydraulic pump station 33 and the shoe control system 34 are fixed below the floating shoe, the double-acting hydraulic jacks 31 are supported below the underpinning beam and slide along the upper surface of the lower rail beam 4 together with the sliding plate 32, a pressure sensor is arranged on each double-acting hydraulic jack 31, and the shoe control system 34 adjusts the height of each double-acting hydraulic jack 31 according to the relation between the measured actual pressure and the preset floating pressure value, so that the pressure balance of each supporting point of the floating shoe is ensured.
Compared with the conventional translation method, the translation construction method for the building omits the step of prefabricating the reinforced concrete reaction member, uses the clamping oil cylinder 112 as a movable reaction member, and simultaneously carries out the movement of the clamping oil cylinder 112 along with the cylinder retraction of the oil cylinder 111, thereby saving the material and labor cost. And each translation stroke can be automatically connected, so that the full automation of the translation process is realized, and the method is very suitable for long-distance migration of buildings.
Step four, a floating sliding foot is used as a travelling mechanism 3, the height of the floating sliding foot can be automatically adjusted, and the synchronous jacking of a building is ensured; in the sixth step, the hydraulic control system 13 ensures the pushing synchronicity of each thrust device 11 according to the closed-loop control of the force and displacement, so the construction method for building translation can ensure the building invariance and can smoothly finish the translation.
The above embodiments are only for illustrating the present invention, and are not limiting of the present invention. While the invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and it is intended to cover the scope of the claims of the present invention.
Claims (4)
1. The construction method for building translation comprises a underpinning beam system (2) for bearing a building, a travelling mechanism (3) supported and fixed below the underpinning beam system (2), a lower rail beam (4) arranged on a foundation along a moving route, and a power system (1) for pushing the building to move, wherein the power system (1) is connected with the underpinning beam system (2) and pushes the underpinning beam system (2) and the building above to translate on the lower rail beam (4) through the travelling mechanism (3),
the power system (1) is characterized by comprising one or more groups of thrust devices (11), a hydraulic total station (12) and a hydraulic control system (13) for controlling the thrust devices (11) to act, wherein the hydraulic total station (12) is connected with the thrust devices (11) and the hydraulic control system (13) through hydraulic pipelines, the thrust devices (11) are formed by connecting a clamping cylinder (112) and a pushing cylinder (111), the axis of the pushing cylinder (111) is horizontally arranged, one end of the pushing cylinder (111) is connected with a pushing building by connecting with the underpinning beam system (2), the other end of the pushing cylinder is connected with the clamping cylinder (112), the clamping cylinder (112) is vertically arranged, and the clamping cylinder (112) can clamp and unclamp the lower rail beam (4);
the power system (1) further comprises a displacement sensor and a pressure sensor which are arranged on each pushing oil cylinder (111);
the hydraulic control system (13) in the power system (1) is a PLC hydraulic synchronous control system, the PLC hydraulic synchronous control system automatically collects thrust data and displacement data of each thrust device (11) according to a pressure sensor and a displacement sensor, and synchronous pushing of each thrust device (11) is controlled through a displacement closed loop and a pressure closed loop;
the travelling mechanism (3) is a floating shoe, the floating shoe comprises one or more double-acting hydraulic jacks (31), a sliding plate (32), a hydraulic pump station (33) and a shoe control system (34) which are fixed below the floating shoe, the double-acting hydraulic jacks (31) are supported below the underpinning beam system (2) and slide along the upper surface of the lower rail beam (4) together with the sliding plate (32), a pressure sensor is arranged on each double-acting hydraulic jack (31), the shoe control system (34) adjusts the height of each double-acting hydraulic jack (31) according to the relation between the measured actual pressure of each supporting point and a preset floating pressure value so as to lead the actual pressure of each supporting point to be equal,
the construction method for building translation comprises the following steps:
building reinforcement: the building is reinforced as necessary to ensure the structural safety in the translation process;
and (3) foundation treatment: carrying out bearing capacity checking calculation on the foundation on the migration route and at the new site, and if the bearing capacity is insufficient, adopting corresponding measures to carry out reinforcement treatment;
and (3) lower rail beam construction: taking a plane as a moving surface of a moving object, and constructing a lower rail beam (4) below the plane along a moving route;
and (3) overall underpinning: constructing a travelling mechanism (3) and a joist system (2) above a moving surface in the range of the existing building;
and (3) installing a power system: one or more groups of thrust devices (11), a hydraulic main station (12) and a hydraulic control system (13) are arranged in the power system (1), the thrust devices (11) are formed by connecting a clamping oil cylinder (112) and a pushing oil cylinder (111),
the pushing oil cylinder (111) pushes the building to translate, and the clamping oil cylinder (112) is a movable counterforce device;
building translation: the hydraulic control system (13) of the power system (1) controls the thrust device (11) to automatically complete one or more strokes and translate the building to a new foundation;
dismantling a power system and a lower rail beam;
the building is reliably connected with the new foundation.
2. The building translation construction method according to claim 1, wherein in the sixth step, the building translation process is composed of one stroke or a plurality of strokes continuously and circularly, the hydraulic control system (13) of the power system (1) controls the actions of the clamping cylinder (112) and the pushing cylinder (111) through a hydraulic circuit, and the working process of each stroke is as follows:
the clamping oil cylinder (112) clamps the lower rail beam (4), and the pushing oil cylinder (111) starts to push the building to translate, so that the clamping oil cylinder (112) bears the reaction force of the pushing force;
the piston of the pushing cylinder (111) is pushed out to the forefront end;
the clamping cylinder (112) loosens the lower rail beam (4);
the pushing cylinder (111) is retracted forwards, and the pushing cylinder (111) drives the clamping cylinder (112) to retract to the forefront end together;
the clamping cylinder (112) clamps the lower rail beam (4) again.
3. The building translation construction method according to claim 2, wherein in step six, a displacement sensor and a pressure sensor are provided in each group of thrust devices (11) in the power system (1), each pressure sensor is mounted on each pushing cylinder (111), stress of each pushing cylinder (111) is detected, each displacement sensor is also provided on each pushing cylinder (111), cylinder stroke of each pushing cylinder (111) is detected, and the hydraulic control system (13) controls synchronous pushing of each thrust device (11) through a displacement closed loop and a pressure closed loop.
4. A building translational construction method according to claim 1 or 3, characterized in that in step four, the travelling mechanism (3) is a floating runner, the floating runner comprises one or more double-acting hydraulic jacks (31), a sliding plate (32) fixed below the floating runner, a hydraulic pump station (33) and a runner control system (34), the double-acting hydraulic jacks (31) are supported below the underpinning beam system (2), slide along the upper surface of the lower rail beam (4) together with the sliding plate (32), a pressure sensor is arranged on each double-acting hydraulic jack (31), and the runner control system (34) adjusts the height of each double-acting hydraulic jack (31) according to the relation between the actual pressure measured by the double-acting hydraulic jacks and a preset floating pressure value so as to ensure the pressure balance of each supporting point of the floating runner.
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| CN110565980A (en) * | 2019-08-29 | 2019-12-13 | 上海建工一建集团有限公司 | sliding displacement device and method for existing building |
| CN110565979B (en) * | 2019-08-29 | 2024-05-28 | 上海建工一建集团有限公司 | Sliding foot and translation method of existing building |
| CN111395797A (en) * | 2020-03-25 | 2020-07-10 | 上海建工一建集团有限公司 | Building displacement device, system and construction method |
| CN111395798A (en) * | 2020-03-27 | 2020-07-10 | 上海建工一建集团有限公司 | Lever type jacking fixed building guide rail translation device and construction method |
| CN111608424A (en) * | 2020-05-29 | 2020-09-01 | 福建省闽鑫建设工程有限公司 | Method for integrally shifting building by using assembly trailer |
| CN116290906B (en) * | 2023-03-25 | 2023-08-22 | 中石建设工程(保定)有限公司 | Intelligent translation device for building and construction method thereof |
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