CN112832242B - Building green construction is with high-efficient clearing device of old and useless basis - Google Patents
Building green construction is with high-efficient clearing device of old and useless basis Download PDFInfo
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- CN112832242B CN112832242B CN202110117971.4A CN202110117971A CN112832242B CN 112832242 B CN112832242 B CN 112832242B CN 202110117971 A CN202110117971 A CN 202110117971A CN 112832242 B CN112832242 B CN 112832242B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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Abstract
The utility model provides a green construction of building is with high-efficient clearing device of old and useless basis, including annular base and old stake, there is jacking equipment bottom fluted and recess on the annular base, connect the mounting box on the jacking equipment, there is the cylinder in central through-hole and the central through-hole at mounting box top and bottom, there is first through-hole on the cylinder, there is the spiral spout first through-hole inner wall, there is first slider in the spiral spout, there is clamping device in the outside of old stake, there is the electro-magnet one side of first slider, there is the motor inside one side of mounting box, there is stop device on the mounting box. This device is circular telegram when the electro-magnet, and first slider just can drive old stake and carry out three hundred sixty degrees annular rocking for old stake is easily extracted, and when the first slider of electro-magnet outage can be in the spout internal motion, then old stake is taken and is outwards extracted by clamping device, makes it not hard up through rocking old stake constantly on one side, has improved the efficiency of extracting of old stake, has saved a large amount of manpower and materials.
Description
Technical Field
The invention belongs to the field of building waste foundation clearing devices, and particularly relates to a waste foundation efficient clearing device for green construction of a building.
Background
Along with the development of economic level, building groups are more and more, the service life of a building is limited, the building needs to be dismantled after a certain age is reached, a building body above the ground surface is easy to dismantle only by normal breaking, but for the stability of the building, a pile foundation is arranged underground of the building, when a new building needs to be built, an old pile often cannot be used continuously, and therefore needs to be dismantled, but the old pile is buried underground and difficult to dismantle, a method of digging soil around the elbow of the old pile and then dismantling the old pile is adopted, equipment which is clamped by a hydraulic cylinder and then taken out is provided, the existing pulling-out device is often pulled out upwards when in use, and the old pile is difficult to pull out when being stably fixed with surrounding soil.
Disclosure of Invention
The invention provides a high-efficiency waste foundation removing device for green construction of buildings, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a waste foundation efficient clearing device for green construction of buildings comprises an annular base and a waste pile, a plurality of grooves are annularly formed in the top of the annular base, jacking equipment is mounted at the bottoms of the grooves, the top of each jacking equipment is fixedly connected with a same mounting box, a central through hole is formed in the top and the bottom of each mounting box, a same cylinder is connected in the central through hole through a bearing, a vertical first through hole is formed in the top of each cylinder, a spiral chute which spirals downwards is formed in the inner wall of each first through hole, a first sliding block is mounted in the spiral chute in a matched mode and can slide along the spiral chute without falling out, the waste pile vertically penetrates through the first through hole and is located in the center of the inner side of the first through hole, an automatic control clamping device is sleeved on the outer side of the waste pile and can clamp and loosen the waste pile, and a plurality of first teeth are fixedly connected to the clamping portion of the clamping device towards one side of the waste pile, clamping device is connected through first connecting rod is articulated between with first slider, the electro-magnet is installed to one side of first slider, the cylinder is made by magnetic metal material, the fixed cover in the upper portion outside of cylinder is equipped with first gear, output shaft motor up is installed to inside one side of mounting box, the output shaft upper end fixed mounting second gear of motor, second gear and the cooperation of first gear engagement, the top of mounting box uses first through-hole evenly to be provided with the several fixed block as central annular, the top of fixed block all articulates the elastic telescopic rod that is connected with towards old stake slant tilt up, elastic telescopic rod's movable rod inner all articulates and is connected with the friction plate, the top of mounting box corresponds elastic telescopic rod one-to-one fixed mounting and has stop device, stop device all is located the one side that corresponds the fixed block towards first through-hole, stop device can block elastic telescopic rod and rotate towards the mounting box.
According to the efficient waste foundation removing device for the green building construction, the first through hole is a cylindrical through hole.
According to the efficient waste foundation removing device for the green construction of the building, the first through hole is an inverted cone-shaped through hole with a large upper end and a small lower end.
According to the efficient waste foundation clearing device for the green building construction, the hanging rings are symmetrically arranged on the left and right sides of the top of the mounting box.
The efficient waste foundation removing device for green building construction is characterized in that the jacking device is a hydraulic cylinder.
According to the efficient waste foundation clearing device for green building construction, one side, facing an old pile, of the friction plate is fixedly connected with the second teeth.
As above, building green construction is with high-efficient clearing device of old and useless basis, clamping device be three-jaw chuck, the arc is all installed to the jack catch inner of three-jaw chuck, the medial surface of arc is along with its radian direction fixedly connected with a plurality of first teeth of difference of height.
As mentioned above, the waste foundation efficient removing device for the green construction of the building is characterized in that the limiting device is a limiting block.
As above construct green construction with high-efficient clearing device of old and useless basis, stop device include electric telescopic handle and dog, electric telescopic handle's movable rod top fixed mounting dog.
According to the efficient waste foundation clearing device for green building construction, the inclination angle between the inner wall of the first through hole and the vertical plane is 0.1-5 degrees.
The invention has the advantages that: when the device is used, soil near an old pile is dug to a proper depth, then the device is sleeved on the outer side of the old pile, the old pile vertically penetrates through a first through hole and simultaneously penetrates through a clamping device and a plurality of friction plates, the initial position of a first sliding block is positioned at the lower end of the inner part of a spiral chute, when pile pulling needs to be started, the outer side of the old pile can be adhered with a large amount of soil, and the soil can cause the clamping device to be unstably clamped when the old pile is pulled out, so that the clamping device is firstly controlled by a controller to clamp the old pile with a certain clamping force, then the controller controls an electromagnet to be electrified and adsorbed between the electromagnet and a cylinder, the first sliding block is locked in the spiral chute, at the moment, the controller controls an output shaft of a motor to work, the output shaft drives the cylinder to rotate through the meshing of a second gear and a first gear, at the outer side of the old pile is wrapped with the soil, the first sliding block can drive the clamping device to rotate by taking the old pile as a center, soil on the outer side of the old pile is continuously peeled off by the rotating first tooth, so that the outer side of the old pile is ground into an annular groove by the first tooth, the old pile can be completely clamped by the clamping device, the electromagnet is powered off after the old pile is clamped, the first sliding block can freely slide in the spiral sliding groove, at the moment, when the cylinder and the spiral sliding groove continue to rotate, the first sliding block slowly moves upwards, the first connecting rod gradually inclines upwards and moves upwards along with the first sliding block continuously, at the moment, the clamping device drives the old pile to move upwards in a same inclined manner so as to incline, the upper part of the old pile compresses the elastic telescopic rod to one side, when the first sliding block moves upwards for a certain distance, the electromagnet is controlled to be powered on, at the moment, the cylinder drives the first sliding block and the clamping device to rotate together when rotating, because the old pile at the moment is in an inclined state, the track of the clamping device when driving the old pile to rotate is round, the first sliding block drives the old pile to move obliquely upwards continuously through the clamping device, so that a user can control the inclined orientation of the old pile each time, the old pile is easier to pull out, the friction plate is kept attached to the old pile all the time under the action of the elastic telescopic rod when the old pile shakes, when the first sliding block moves to the upper designated position of the spiral chute, the electromagnet is powered off, the clamping device slightly loosens the old pile, the old pile is supported by the friction plate and the elastic telescopic rod in a matched mode, the old pile cannot fall back, the output shaft of the motor is controlled to rotate reversely, the cylinder drives the first sliding block and the clamping device to move downwards when rotating, meanwhile, the first tooth on the clamping claw of the clamping device can peel off soil outside the old pile, the soil at the old pile is cleaned until the first sliding block moves to the lower end of the spiral chute, the old pile is driven to swing and ascend again through the clamping device again, the old pile is repeated in such a mode, the old pile is pulled out, and the old pile can be pulled out in a certain distance when the old pile is pulled out, and the old pile can be lifted up; the device is simple in structure and ingenious in design, whether the first sliding block can move along the spiral chute or not is controlled by controlling the electrification of the electromagnet, when the electromagnet is electrified, the first sliding block can realize two functions when rotating along with the cylinder, and one of the two functions is that when the clamping device and the first sliding block are positioned at the lower part of the spiral chute, the clamping device clamps mud outside the old pile and rotates in situ, so that the mud attached to the outside of the old pile can be peeled off, and the old pile can be well clamped; and secondly, when the old pile is clamped and inclined by the clamping device after the soil is stripped, the electromagnet electrified first sliding block can drive the old pile to circularly shake for three hundred and sixty degrees, so that the old pile is easy to pull out, when the electromagnet electrified first sliding block can move in the chute, the old pile is pulled out by the clamping device, the old pile is loosened by continuously shaking the old pile, the old pile is pulled out, the old pile is easy to pull out, the pulling efficiency of the old pile is improved, the old pile cannot fall back under the action of a friction plate in the pulling process, the use of an old pile supporting mechanism is avoided, a large amount of manpower and material resources are saved, meanwhile, the soil outside the old pile can be stripped through the first teeth, the clamping reliability is increased, and meanwhile, the subsequent transportation difficulty and the cleaning difficulty of the old pile are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the structure of the present invention in use; FIG. 2 is an embodiment of the present invention; FIG. 3 is an enlarged view of a schematic top view of the clamping device; FIG. 4 is an enlarged view of I of FIG. 1; fig. 5 is an enlarged view of ii of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A waste foundation efficient clearing device for green construction of buildings comprises an annular base 1 and old piles 100, wherein a plurality of grooves are annularly formed in the top of the annular base 1, jacking equipment is mounted at the bottoms of the grooves, the tops of all the jacking equipment are fixedly connected with a same mounting box 2, the tops and the bottoms of the mounting boxes 2 are respectively provided with a central through hole 3, the inner bearing of the central through hole 3 is connected with a same cylinder 4, the top of the cylinder 4 is provided with a vertical first through hole 5, the inner wall of the first through hole 5 is provided with a spiral chute 6 which is downwards coiled, a first sliding block 7 is arranged in the spiral chute 6 in a matched manner, the first sliding block 7 can slide along the spiral chute 6 and cannot be detached, the old piles 100 vertically penetrate through the first through holes 5 and are positioned in the centers of the inner sides of the old piles, the outer side of the old piles 100 is sleeved with an automatic control clamping device 26, and the clamping device 26 can clamp and loosen the old piles 100, a plurality of first teeth 8 are fixedly connected to one side, facing the old pile 100, of a clamping portion of the clamping device 26, the clamping device 26 is hinged to the first sliding block 7 through a first connecting rod 9, an electromagnet 10 is installed on one side of the first sliding block 7, the cylinder 4 is made of a magnetic metal material, a first gear 11 is fixedly sleeved on the outer side of the upper portion of the cylinder 4, a motor 12 with an upward output shaft is installed on one side inside the mounting box 2, a second gear 13 is fixedly installed on the upper end of the output shaft of the motor 12, the second gear 13 is meshed and matched with the first gear 11, a plurality of fixing blocks 14 are uniformly arranged on the top of the mounting box 2 in an annular manner by taking the first through hole 5 as a center, elastic telescopic rods 15 inclining obliquely towards the old pile 100 are hinged to the tops of the fixing blocks 14, friction plates 16 are hinged to inner ends of movable rods of the elastic telescopic rods 15, and limiting devices are fixedly installed on the top of the mounting box 2 corresponding to the elastic telescopic rods 15 one by one another, the limiting devices are located on one sides, facing the first through holes 5, of the corresponding fixing blocks 14, and can block the elastic telescopic rods 15 from rotating towards the mounting box 2. When the device is used, soil near an old pile is dug to a proper depth, then the device is sleeved on the outer side of the old pile, the old pile vertically penetrates through the first through hole 5 and simultaneously penetrates through the clamping device and the friction plates, the initial position of the first sliding block 7 is positioned at the lower end of the inner part of the spiral chute 6, when pile pulling needs to be started, the outer side of the old pile 100 can be adhered with a large amount of soil, and the soil can cause the clamping device to be clamped unstably when the old pile is pulled out, so that the clamping device is firstly controlled by the controller to clamp the old pile with a certain clamping force, then the controller controls the electromagnet 10 to be electrified and adsorbed with the cylinder, the first sliding block 7 is locked in the spiral chute 6, at the moment, the controller controls the output shaft of the motor 12 to work, the output shaft drives the cylinder 4 to rotate through the meshing of the second gear 13 and the first gear 11, and at the outer side of the old pile is wrapped with soil, the first sliding block 7 can drive the clamping device 26 to rotate by taking the old pile as a center, soil on the outer side of the old pile is continuously peeled off by the rotating first teeth 8, the old pile can be completely clamped by the clamping device until the first teeth 8 grind the outer side of the old pile into an annular groove, the electromagnet 10 is powered off after the old pile is clamped, the first sliding block 7 can freely slide in the spiral chute 6, the first sliding block 7 slowly moves upwards when the cylinder 4 and the spiral chute continue to rotate, the first connecting rod 9 gradually inclines upwards and moves upwards along with the first sliding block 7, the clamping device 26 drives the old pile to also move upwards in an inclined mode so as to incline, the elastic telescopic rod 15 is compressed by the upper portion of the old pile towards one side, the electromagnet 10 is controlled to be powered on after the first sliding block 7 moves upwards for a certain distance, and the cylinder 4 drives the first sliding block 7 when rotating, the clamping device rotates together, because the old pile 100 is in an inclined state at the moment, the clamping device drives the old pile 100 to have a circular track when rotating, so that the old pile is annularly shaken to loosen soil, the electromagnet is powered off again after shaking to a certain extent, the first sliding block 7 drives the old pile to continue moving upwards in an inclined mode through the clamping device along with the continuous rotation of the cylinder 4, so that a user can control the inclined direction of the old pile each time, so that the old pile is more easily pulled out, when the old pile shakes, the friction plate is always kept attached to the old pile under the action of the elastic telescopic rod 15, when the first sliding block 7 moves to the upper designated position of the spiral chute, the electromagnet 10 is powered off, meanwhile, the clamping device slightly loosens the old pile, the old pile is supported by the friction plate and the elastic telescopic rod 15 in a matched mode, so that the old pile cannot fall back, then the output shaft of the motor 12 is controlled to rotate reversely, the cylinder 4 drives the first sliding block 7 and the clamping device to move downwards when rotating, meanwhile, the first teeth on the clamping jaw of the clamping device can peel off soil outside of the old pile, until the old pile moves to the lower end of the spiral chute, the old pile is cleaned, and the old pile can be pulled out again, so that the old pile can be lifted out and the old pile can be lifted out in the old pile lifting process of the old pile can be lifted and lifted pile can be lifted out again through the old pile in a repeated process of the old pile lifting and the old pile lifting process; the device is simple in structure and ingenious in design, whether the first sliding block can move along the spiral chute or not is controlled by controlling the electrification of the electromagnet, when the electromagnet is electrified, the first sliding block can realize two functions when rotating along with the cylinder, and one of the two functions is that when the clamping device and the first sliding block 7 are positioned at the lower part of the spiral chute, the clamping device clamps mud outside the old pile and rotates in situ, so that mud attached to the outside of the old pile can be peeled off, and the old pile can be well clamped; and secondly, when the old pile is clamped and inclined by the clamping device after the soil is stripped, the electromagnet electrified first sliding block 7 can drive the old pile to circularly shake for three hundred and sixty degrees, so that the old pile is easily pulled out, when the electromagnet electrified first sliding block 7 can move in the chute, the old pile is pulled out by the clamping device, the old pile is loosened by continuously shaking the old pile, the old pile is pulled out, the old pile is easy to pull out, the pulling efficiency of the old pile is improved, the old pile cannot fall back under the action of a friction plate in the pulling process, the use of an old pile supporting mechanism is avoided, a large amount of manpower and material resources are saved, meanwhile, the soil outside the old pile can be stripped through the first teeth, the clamping reliability is increased, and meanwhile, the subsequent transportation difficulty and the cleaning difficulty of the old pile are reduced.
Specifically, as shown in the figure, the first through hole 5 described in the present embodiment is a cylindrical through hole. The first through hole 5 is a cylindrical through hole, so that the device is simple to process and saves cost.
Specifically, as shown in fig. 2, the first through hole 5 described in this embodiment is an inverted conical through hole with a large upper end and a small lower end. Because when just beginning to pull out old stake, old stake is difficult to rocked, and along with slowly pulling out of old stake, old stake can rock more easily, the diameter of first through-hole 5 is from up increasing in proper order down, thereby make the in-process that old stake rises it to rock the range crescent, and then make old stake insertion portion's soil not hard up more, thereby improve the extraction efficiency of old stake, simultaneously when first through-hole 5 is the through-hole of back taper, must be drawn to the slope when old stake up-motion.
Further, as shown in the figure, the hanging rings 19 are symmetrically installed on the top of the installation box 2 in the embodiment. The hanging ring 19 is convenient for users to hoist the device.
Further, as shown in the drawings, the jacking device in the embodiment is a hydraulic cylinder 20. The device is lifted by the hydraulic cylinder 20, so that the operation process is stable and reliable.
Furthermore, as shown in the drawings, a plurality of second teeth 17 are fixedly connected to the side of the friction plate 16 facing the old pile 100. Because the old stake is mostly concrete column, after the earth in the old stake outside is peeled off, there is the less aperture of dense numb and hemp in the outside of concrete column, thereby it makes the old stake more difficult whereabouts to grasp through second tooth 17.
Furthermore, as shown in fig. 3, the clamping device 26 described in this embodiment is a three-jaw chuck, the inner ends of the jaws of the three-jaw chuck are both provided with an arc-shaped plate 21, and the inner side surface of the arc-shaped plate 21 is fixedly connected with a plurality of first teeth 8 with different heights along the radian direction thereof. Can carry out good clamp to cylindric old stake through three-jaw chuck, thereby carry out good cooperation through the first tooth 8 of arc setting and old stake simultaneously and improve clamping performance.
Furthermore, as shown in the figure, the limiting device in this embodiment is a limiting block 18. The limiting block 18 can limit the elastic telescopic rod 15 to rotate towards the mounting box 2, and when the clamping device 26 clamps the old pile to move upwards, the elastic telescopic rod 15 can rotate outwards, so that the old pile can move upwards normally; when the clamping device 26 loosens the old pile, the elastic telescopic rod rotates around the hinge point to reset and drives the old pile to fall back for a short distance (the stroke of the movable rod of the elastic telescopic rod is short), the elastic telescopic rod 15 is blocked by the limiting block 18, and the friction plate 16 supports the old pile, so that the old pile cannot continue to fall downwards (the falling distance is far less than the rising distance when the old pile is clamped, and therefore the old pile is not pulled out.
Furthermore, as shown in the figure, the limiting device of this embodiment includes an electric telescopic rod and a stop block, and the stop block is fixedly installed at the top of the movable rod of the electric telescopic rod. When the old pile is clamped by the clamping device 26 and moves upwards, the movable rod of the electric telescopic rod is in a retracting state, and the old pile can normally move upwards; when the old pile needs to be loosened, the stop block which enables the movable rod of the electric telescopic rod to extend upwards out of the top of the movable rod blocks the elastic telescopic rod 15 from rotating downwards around the hinged point of the elastic telescopic rod, so that the old pile cannot fall back after the clamping device 26 loosens the old pile.
Furthermore, as shown in the figure, the inclination angle between the inner wall of the first through hole 5 and the vertical plane is 0.1-5 degrees. Different inclination angles of the first through holes 5 are selected according to the length of the old pile required to be pulled out, so that the phenomenon that the device cannot normally operate due to the fact that the inclination angle of the old pile is too large is prevented.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a green construction of building is with high-efficient clearing device of old and useless basis which characterized in that: comprises an annular base (1) and an old pile (100), a plurality of grooves are annularly arranged at the top of the annular base (1), jacking equipment is arranged at the bottoms of the grooves, the top of all the jacking equipment is fixedly connected with a same mounting box (2), a central through hole (3) is arranged at the top and the bottom of the mounting box (2), a same cylinder (4) is connected with an inner bearing of the central through hole (3), a vertical first through hole (5) is arranged at the top of the cylinder (4), a spiral chute (6) which spirals downwards is arranged on the inner wall of the first through hole (5), a first slider (7) is arranged in the spiral chute (6) in a matched manner, the first slider (7) can slide along the spiral chute (6) and does not fall off, the old pile (100) vertically penetrates through the first through hole (5) and is positioned at the center of the inner side of the old pile (100), an automatic control clamping device (26) is sleeved at the outer side of the old pile (100), the clamping device (26) can clamp and loosen the old pile (100), a plurality of first teeth (8) are fixedly connected with a first slider (7) through a metal connecting rod (10), a first slider (7) hinged with a first slider (7), a first connecting rod (11), motor (12) with an upward output shaft are installed on one side inside mounting box (2), second gear (13) is fixedly installed on the upper end of the output shaft of motor (12), second gear (13) is meshed with first gear (11) and matched, the top of mounting box (2) is evenly provided with a plurality of fixing blocks (14) by taking first through hole (5) as a central ring, the top of fixing block (14) is hinged with elastic telescopic rod (15) inclining upwards towards old pile (100), the inner end of the movable rod of elastic telescopic rod (15) is hinged with friction plate (16), the top of mounting box (2) corresponds to elastic telescopic rod (15) and is fixedly provided with limiting devices, the limiting devices are located on one side of corresponding fixing block (14) towards first through hole (5), the limiting devices can block elastic telescopic rod (15) from rotating towards mounting box (2), and first through hole (5) is an inverted cone-shaped through hole with a large upper end and a small lower end.
2. The efficient waste foundation clearing device for green building construction according to claim 1, characterized in that: and the top of the mounting box (2) is provided with hanging rings (19) in bilateral symmetry.
3. The efficient waste foundation removing device for green building construction according to claim 1, characterized in that: the jacking equipment is a hydraulic cylinder (20).
4. The efficient waste foundation removing device for green building construction according to claim 1, characterized in that: one side of the friction plate (16) facing the old pile (100) is fixedly connected with a plurality of second teeth (17).
5. The efficient waste foundation removing device for green building construction according to claim 1, characterized in that: clamping device (26) be three-jaw chuck, arc (21) are all installed to three-jaw chuck's jack catch inner, the medial surface of arc (21) along with its radian direction fixedly connected with a plurality of first teeth (8) that highly differ.
6. The efficient waste foundation removing device for green building construction according to claim 1, characterized in that: the limiting device is a limiting block (18).
7. The efficient waste foundation removing device for green building construction according to claim 1, characterized in that: the limiting device comprises an electric telescopic rod and a stop block, and the stop block is fixedly installed at the top of a movable rod of the electric telescopic rod.
8. The efficient waste foundation removing device for green building construction according to claim 1, characterized in that: the inclination angle of the inner wall of the first through hole (5) and the vertical plane is 0.1-5 degrees.
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| CN202110117971.4A CN112832242B (en) | 2021-01-28 | 2021-01-28 | Building green construction is with high-efficient clearing device of old and useless basis |
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| CN202110117971.4A CN112832242B (en) | 2021-01-28 | 2021-01-28 | Building green construction is with high-efficient clearing device of old and useless basis |
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| CN112832242B true CN112832242B (en) | 2022-11-08 |
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| CN112832242A (en) | 2021-05-25 |
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Effective date of registration: 20220920 Address after: No. 50-19, Datou Village, Qili Township, Kecheng District, Quzhou City, Zhejiang Province 324000 Applicant after: ZHEJIANG KUNLUN LANDSCAPE ENGINEERING CO.,LTD. Address before: 322100 Luodian village, Weishan Town, Dongyang City, Jinhua City, Zhejiang Province Applicant before: Zhejiang Zhongyao Construction Co.,Ltd. |
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