CN115977252A - Leveling device for modular house foundation and construction method thereof - Google Patents
Leveling device for modular house foundation and construction method thereof Download PDFInfo
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- CN115977252A CN115977252A CN202210991052.4A CN202210991052A CN115977252A CN 115977252 A CN115977252 A CN 115977252A CN 202210991052 A CN202210991052 A CN 202210991052A CN 115977252 A CN115977252 A CN 115977252A
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- 238000010276 construction Methods 0.000 title abstract description 10
- 238000004873 anchoring Methods 0.000 claims abstract description 21
- 239000011440 grout Substances 0.000 claims abstract 2
- 239000003814 drug Substances 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000012856 packing Methods 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention discloses a leveling device for a modular house foundation and a construction method thereof, which are characterized in that: comprises a supporting plate, a leveling part for leveling the supporting plate and a template fixedly arranged on the periphery of the supporting plate; the leveling part comprises a plurality of adjusting rods and adjusting nuts, each adjusting rod comprises an anchoring section fixedly arranged in the foundation and an adjusting bolt arranged outside the foundation, and each adjusting nut is sleeved in each adjusting bolt; the backup pad is provided with the through-hole that supplies adjusting bolt to pass and the opening that is used for grout, and adjusting nut sets up the one end of keeping away from the modularization house in the backup pad to with the backup pad butt. The leveling device for the modular house foundation has the advantages of being suitable for various undulating floors, achieving the functions of leveling and raising moisture resistance and enhancing the pulling resistance and the horizontal load resistance of a modular house.
Description
Technical Field
The invention belongs to the technical field of house leveling, and particularly relates to a leveling device for a modular house foundation and a construction method thereof.
Background
The foundations of the existing modular houses (such as packing boxes) are mostly high-strength mortar cushion layers or reinforced raft foundations integrally poured in large areas, and the houses (packing boxes) directly adopt a laying method; when using in the emergent building project of epidemic situation such as fiery mountain, lei Shenshan, for reducing the moisture influence that packing box bottom plate and basic direct contact brought, reach better dampproofing effect, add the I-steel on the basis, wholly raise the packing box, prior art's major defect has:
(1) Because the modular house/packing box is a frame structure with four stressed corners, namely the corner fittings which are only contacted with the foundation are arranged at the four corners of each box body, the large-area raft foundation is rapid in construction but is relatively wasted;
(2) The I-shaped steel is adopted to lift the whole packing box, the manufacturing cost is very high, the I-shaped steel does not have a leveling effect, and when the foundation is uneven, the error cannot be controlled;
(3) The house/packing box is not effectively and reliably connected with the I-steel, and the whole wind resistance/horizontal load capacity is limited.
Accordingly, a leveling device for a modular house foundation is provided that addresses the deficiencies of the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a leveling device for a modular house foundation and a construction method thereof, and aims to solve the problems that when I-shaped steel lifts up a modular house, corner pieces at four corners are not effectively connected with the I-shaped steel and do not have a leveling function, so that the modular house is not suitable for various undulating floors, and the pulling resistance and the horizontal load resistance are poor.
The invention adopts the following technical scheme:
the leveling device is fixedly arranged between the modular house and the foundation, one end of the leveling device is used for supporting and connecting an angle piece positioned at the lower end part of the modular house, the angle piece is used for connecting a beam column of the modular house, and the other end of the leveling device is arranged in the foundation in a rear mode and comprises a supporting plate, a leveling part used for leveling the supporting plate and templates fixedly arranged on the periphery of the supporting plate;
the leveling part comprises a plurality of adjusting rods and adjusting nuts, the adjusting rods comprise anchoring sections fixedly arranged in the foundation and adjusting bolts arranged outside the foundation, and the adjusting nuts are sleeved in the adjusting bolts;
the supporting plate is provided with a through hole for the adjusting bolt to pass through and an opening for grouting, and the adjusting nut is arranged at one end, far away from the modular house, of the supporting plate and is abutted to the supporting plate.
As a further improvement of the technical scheme of the invention, the opening is arranged in the center of the supporting plate, and the opening is circular.
As a further improvement of the technical scheme of the invention, the leveling part is also provided with a gasket positioned between the support plate and the adjusting nut.
As a further improvement of the technical scheme of the invention, the adjusting bolt is provided with an external thread matched with the internal thread of the adjusting nut, and the inner diameter of the gasket is larger than the outer diameter of the external thread.
As a further improvement of the technical scheme of the invention, the through hole is in a long strip shape, and the width of the through hole is larger than the outer diameter of the adjusting bolt.
As a further improvement of the technical scheme of the invention, the supporting plate is a rectangular steel plate, and the through holes are arranged at the four corners of the supporting plate.
The construction method of the leveling device for the modular house foundation is suitable for the leveling device for the modular house foundation and comprises the following steps:
s1, drilling: drilling a hole at a predetermined position of the foundation to obtain an anchoring hole and inserting the medicament tube;
s2, implanting an adjusting rod: inserting the anchoring section of the adjusting rod into the drill hole by using an installation tool until the medicament flows out, and taking down the installation tool after the medicament is solidified;
s3, leveling a supporting plate: placing a support plate on the upper end face of the adjusting nut, placing a level gauge on the upper end of the support plate, leveling the support plate through the adjusting nut, and fixing the support plate;
s4, fixing the template: sealing and fixing the templates on the four sides of the supporting plate;
s5, grouting: pouring a height Jiang Shajiang into the opening of the supporting plate;
s6, removing the template: after the high-strength mortar is hardened, removing the template, and checking the levelness;
s7, fixing corner fittings: and (3) welding and fixing the corner fittings of the modular house and the supporting plate.
As a further improvement of the technical scheme of the invention, in step S1, after the anchoring hole is completed, the hole must be cleaned to meet the requirement of fixing the medicament.
As a further improvement of the technical solution of the present invention, in step S4, a mold release agent is coated on the inner side surface of the template.
As a further improvement of the technical solution of the present invention, in step S5, if necessary, the flow may be guided by bamboo strips or steel rods, and the outer side of the formwork may be lightly knocked.
Compared with the prior art, the invention has the beneficial effects that:
the leveling device for the modular house foundation comprises a supporting plate for supporting and connecting the corner fittings, a leveling part for leveling the supporting plate and templates fixedly arranged on the periphery of the supporting plate, wherein when the leveling device is installed, four adjusting rods are respectively inserted into adaptive anchoring holes of the foundation, the supporting plate is installed on the leveling part after being fixed, the supporting plate is adjusted to be in a horizontal state through the leveling part and then fixed and poured into a high Jiang Shajiang, and when the leveling device is manufactured, the supporting plate and the corner fittings of the modular house are welded and fixed, at the moment, the modular house is lifted by the leveling device and fixedly connected with the foundation, so that the possibility of shaking is greatly reduced, and the leveling and lifting damp-proof effects are achieved; the leveling device for the modular house foundation can be suitable for various undulating ground, and achieves the purposes of enhancing the pulling resistance and the horizontal load resistance of the modular house besides the leveling and lifting moisture-proof effects.
Drawings
The technology of the present invention is described in further detail below with reference to the accompanying drawings and the detailed description:
FIG. 1 is a schematic cross-sectional view of a leveling device for a modular building foundation of the present invention after leveling;
FIG. 2 is a schematic cross-sectional view of the leveling device for the modular house foundation of the present invention after leveling;
FIG. 3 is a schematic perspective view of a leveling device for a modular building foundation of the present invention;
FIG. 4 is a top view of the leveling device for a modular house foundation of the present invention;
FIG. 5 is a top view of the leveling device for a modular house foundation of the present invention connected to a corner fitting;
FIG. 6 is a top view of the leveling device for a modular house foundation of the present invention connected to two corner fittings;
fig. 7 is a layout of the leveling device for the foundation of the modular house and the modular house of the present invention.
Reference numerals:
1. a support plate; 11. a through hole; 12. an opening;
2. a leveling section; 21. adjusting a rod; 211. an anchoring section; 212. adjusting the bolt; 22. adjusting the nut; 23. a gasket;
3. a template; 4. a modular house; 41. a corner fitting; 5. a foundation; 51. and (4) anchoring holes.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
A leveling device for a modular house foundation, referring to FIGS. 1 to 2, includes a support plate 1, a leveling part 2, and a formwork 3.
The leveling device is fixedly arranged between a modular house 4 and a foundation 5, one end of the leveling device is used for supporting and connecting an angle piece 41 positioned at the lower end part of the modular house 4, the angle piece 41 is used for supporting the modular house 4, the other end of the leveling device is fixedly arranged in an anchoring hole 51 of the foundation 5, the foundation 5 can be the ground, but not limited to the ground, and comprises a supporting plate 1 used for supporting and connecting the angle piece 41, a leveling part 2 used for leveling the supporting plate 1 and a template 3 fixedly arranged on the periphery of the supporting plate 1; the leveling part 2 comprises four adjusting rods 21 and adjusting nuts 22, each adjusting rod 21 comprises an anchoring section 211 fixedly arranged in an anchoring hole 51 and an adjusting bolt 212 arranged outside the anchoring hole 51, and each adjusting nut 22 is sleeved in the adjusting bolt 212; the supporting plate 1 is provided with a through hole 11 for the adjusting bolt 212 to pass through and an opening 12 for grouting, the adjusting nut 22 is arranged at one end of the supporting plate 1 far away from the modular house 3 and is abutted against the supporting plate 1, and the adjusting nut 22 rotates on the adjusting bolt 212 to achieve the purpose of leveling the supporting plate 4.
When the modular house 4 is installed, the four adjusting rods 21 are respectively inserted into the matched anchoring holes 51 of the foundation 5, the supporting plate 1 is installed on the leveling part 2 after being fixed, the supporting plate 1 is adjusted to be in a horizontal state through the leveling part 2 and then is fixed and poured into the high Jiang Shajiang, after the leveling device is manufactured, the supporting plate 1 and the corner piece 41 of the modular house 4 are welded and fixed, at the moment, the modular house 4 is lifted by the leveling device and is fixedly connected with the foundation 5, the possibility of shaking is greatly reduced, and leveling and lifting moisture-proof effects are achieved; the leveling device for the modular house foundation can be suitable for various undulating ground, and achieves the purposes of enhancing the pulling resistance and the horizontal load resistance of the modular house besides the leveling and lifting moisture-proof effects.
In the same embodiment, the leveling part 2 is also provided with a gasket 23 positioned between the support plate 1 and the adjusting nut 22, the size of the gasket 23 is larger than that of the adjusting nut 22 and the through hole 11, so that a part of the gasket is prevented from being inserted into the through hole 11 in the leveling process, and the contact area of the gasket 23 with the surfaces of the adjusting nut 22 and the support plate 1 can be increased; adjusting bolt 212 is provided with the external screw thread with adjusting nut 22 internal thread looks adaptation, and the internal diameter of gasket 23 is greater than the external diameter of external screw thread, makes things convenient for gasket 23 cover to establish in adjusting bolt 212.
In the same embodiment, the supporting plate 1 is a rectangular steel plate, the circular opening 12 is arranged in the center of the supporting plate 1, and when high-strength mortar is poured, the high-strength mortar can be more uniformly filled by pouring the high-strength mortar from the middle; through-hole 11 is rectangular form, and rectangular form through-hole 11 width is greater than adjusting bolt 212's external diameter, because, drill in basic 5 predetermined position, can produce some errors inevitable, set up through-hole 11 into long strip, can compensate the displacement that the error brought to need when adjusting bolt 212 and backup pad 1 welding in the later stage, rectangular form through-hole 11 can provide the required position of welding, and through-hole 11 sets up in the four corners department of backup pad 1, is favorable to leveling portion 2 to distribute the weight of backup pad 1 better.
In the same embodiment, when the height difference of the foundation 5 is within 8cm, the adjusting rod 21 is leveled by adopting a chemical bolt, and the chemical bolt is matched with a medicament for use, so that the gel effect of the medicament can be better achieved; when the height difference of the foundation 5 is larger than 8cm, the adjusting rod 21 adopts a reinforcing steel bar with the diameter of 14 to level, the supporting plate 1 is leveled after the reinforcing steel bar is inserted into the corresponding through hole 11, and the supporting plate is directly fixedly connected in an electric welding mode after being leveled.
The construction method of the leveling device for the modular house foundation is suitable for the leveling device for the modular house foundation and comprises the following steps:
s1, drilling: drilling a hole at a preset position of a foundation to obtain an anchoring hole and inserting the anchoring hole into a medicament tube, wherein after the anchoring hole is finished, the hole is required to be cleaned, and the hole is kept clean and free of dust so as to meet the requirement of medicament fixation;
s2, implanting an adjusting rod: inserting the anchoring section of the adjusting rod into the drill hole by using an installation tool until the medicament flows out, keeping the installation tool still to wait for medicament gelation, and taking down the installation tool after the gelation to wait for the medicament to be hardened;
s3, leveling a supporting plate: placing a support plate on the upper end face of the adjusting nut, placing a level gauge on the upper end of the support plate, leveling the support plate through the adjusting nut, and fixing the support plate;
s4, fixing the template: before the templates are erected, the foundation is cleaned, a release agent is coated on the inner side surface of each template, the templates are sealed on the four sides close to the supporting plates and are bound and fixed by steel wires, and high-strength mortar and adhesive tapes are used for sealing the joints of the templates to ensure that the water and the slurry do not leak;
s5, grouting: pouring high-strength mortar into the opening of the supporting plate, guiding the flow by using bamboo splints or steel chisels if necessary, and lightly knocking the outer side of the template;
s6, removing the template: after the high-strength mortar is hardened, removing the template, and checking the levelness;
s7, fixing corner fittings: and (3) welding and fixing the corner fittings and the supporting plates of the modular house.
In one embodiment, according to the step S5, water is added according to 12-14% of the weight of the high-strength mortar, the mixture is stirred for 2-3 minutes mechanically and 5 minutes manually; adopting proper cooling measures, wherein the temperature of the foundation 5 and the supporting plate 1 which are in contact with the high-strength mortar is not more than 35 ℃, and the mold-entering temperature of the high-strength mortar is not more than 30 ℃; pouring the uniformly stirred high-strength mortar into the opening 12 of the supporting plate 1, guiding the mortar by bamboo strips or steel rods if necessary, vibrating or lightly knocking the template 3, and discharging bubbles in the mortar; after construction, covering plastic film and covering grass curtain or cotton quilt for 7 days.
Other contents of the leveling device for the modular house foundation and the construction method thereof are referred to in the prior art and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a levelling device for modularization house basis, levelling device sets firmly between modularization house and basis, levelling device one end is used for supporting and connects and is located the corner fittings of tip under the modularization house, the corner fittings is used for connecting modularization house beam column, the levelling device other end postposition is in the basis its characterized in that: the device comprises a supporting plate, a leveling part for leveling the supporting plate and a template fixedly arranged on the periphery of the supporting plate;
the leveling part comprises a plurality of adjusting rods and adjusting nuts, the adjusting rods comprise anchoring sections fixedly arranged in the foundation and adjusting bolts arranged outside the foundation, and the adjusting nuts are sleeved in the adjusting bolts;
the backup pad is provided with the confession adjusting bolt passes the through-hole and the opening that is used for grout, adjusting nut sets up the backup pad is kept away from the one end of modularization house, and with the backup pad butt.
2. The leveling device for a modular house foundation of claim 1, wherein: the opening is arranged in the center of the supporting plate, and the opening is circular.
3. Leveling device for modular house foundations according to claim 1, characterized in that: the leveling part is also provided with a gasket positioned between the support plate and the adjusting nut.
4. A levelling device for modular house foundations according to claim 3, characterized in that: the adjusting bolt is provided with an external thread matched with the internal thread of the adjusting nut, and the inner diameter of the gasket is larger than the outer diameter of the external thread.
5. Leveling device for modular house foundations according to claim 1, characterized in that: the through hole is in a long strip shape, and the width of the through hole is larger than the outer diameter of the adjusting bolt.
6. The leveling device for a modular house foundation of claim 1, wherein: the backup pad is the rectangle steel sheet, the through-hole sets up the four corners department of backup pad.
7. A method of constructing a levelling device for a modular house foundation, adapted to be used in a levelling device for a modular house foundation according to any one of claims 1 to 6, comprising the steps of:
s1, drilling: drilling a hole at a predetermined position of the foundation to obtain an anchoring hole and inserting the medicament tube;
s2, implanting an adjusting rod: inserting the anchoring section of the adjusting rod into the drill hole by using an installation tool until the medicament flows out, and taking down the installation tool after the medicament is solidified;
s3, leveling a supporting plate: placing a support plate on the upper end face of the adjusting nut, placing a level gauge on the upper end of the support plate, leveling the support plate through the adjusting nut, and fixing the support plate;
s4, fixing the template: sealing and fixing the templates on the four sides of the supporting plate;
s5, grouting: pouring a height Jiang Shajiang into the opening of the supporting plate;
s6, removing the template: after the high-strength mortar is hardened, removing the template, and checking the levelness;
s7, fixing corner fittings: and (3) welding and fixing the corner fittings and the supporting plates of the modular house.
8. The method of claim 7, wherein the leveling device comprises: in step S1, after the anchoring hole is completed, the hole must be cleaned to meet the requirement of fixing the medicament.
9. The method of claim 7, wherein the leveling device comprises:
and step S4, coating a release agent on the inner side surface of the template.
10. The method of claim 7, wherein the method comprises the steps of:
in step S5, if necessary, the flow may be guided by bamboo splints or steel rods, and the outer side of the formwork is lightly knocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991052.4A CN115977252A (en) | 2022-08-18 | 2022-08-18 | Leveling device for modular house foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991052.4A CN115977252A (en) | 2022-08-18 | 2022-08-18 | Leveling device for modular house foundation and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115977252A true CN115977252A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210991052.4A Pending CN115977252A (en) | 2022-08-18 | 2022-08-18 | Leveling device for modular house foundation and construction method thereof |
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| CN (1) | CN115977252A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5848507A (en) * | 1997-08-21 | 1998-12-15 | Malton Equipment Company | Enclosure with externally mounted adjustable foundations |
| CN206368489U (en) * | 2016-12-16 | 2017-08-01 | 北京双誉科技发展有限公司 | A kind of firm levelling device of container movable plank house |
| CN208586639U (en) * | 2018-06-28 | 2019-03-08 | 新兴铸管股份有限公司 | Equipment mounting tool |
| CN210342251U (en) * | 2019-05-21 | 2020-04-17 | 南通军盛机械模具有限公司 | Leveling connection base for modular container building |
| CN112112185A (en) * | 2020-09-25 | 2020-12-22 | 临海市广安建筑工程有限公司 | Municipal building foundation embedded structure and construction method thereof |
| CN213508869U (en) * | 2020-06-17 | 2021-06-22 | 中南建筑设计院股份有限公司 | Leveling type steel buttress foundation and emergency temporary building capable of being rapidly constructed |
| CN113202132A (en) * | 2021-04-12 | 2021-08-03 | 北京首钢建设集团有限公司 | Bottom grouting construction method for large equipment |
| CN214942617U (en) * | 2021-04-19 | 2021-11-30 | 中建一局集团第三建筑有限公司 | Positioning structure of shock insulation support |
| CN215053944U (en) * | 2021-03-30 | 2021-12-07 | 宋松 | House building structure is assembled to modularization |
| CN114233044A (en) * | 2022-02-22 | 2022-03-25 | 北京中瑞祥合建筑工程有限公司 | Jacking storey-adding and shock-isolating method for frame structure building |
-
2022
- 2022-08-18 CN CN202210991052.4A patent/CN115977252A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5848507A (en) * | 1997-08-21 | 1998-12-15 | Malton Equipment Company | Enclosure with externally mounted adjustable foundations |
| CN206368489U (en) * | 2016-12-16 | 2017-08-01 | 北京双誉科技发展有限公司 | A kind of firm levelling device of container movable plank house |
| CN208586639U (en) * | 2018-06-28 | 2019-03-08 | 新兴铸管股份有限公司 | Equipment mounting tool |
| CN210342251U (en) * | 2019-05-21 | 2020-04-17 | 南通军盛机械模具有限公司 | Leveling connection base for modular container building |
| CN213508869U (en) * | 2020-06-17 | 2021-06-22 | 中南建筑设计院股份有限公司 | Leveling type steel buttress foundation and emergency temporary building capable of being rapidly constructed |
| CN112112185A (en) * | 2020-09-25 | 2020-12-22 | 临海市广安建筑工程有限公司 | Municipal building foundation embedded structure and construction method thereof |
| CN215053944U (en) * | 2021-03-30 | 2021-12-07 | 宋松 | House building structure is assembled to modularization |
| CN113202132A (en) * | 2021-04-12 | 2021-08-03 | 北京首钢建设集团有限公司 | Bottom grouting construction method for large equipment |
| CN214942617U (en) * | 2021-04-19 | 2021-11-30 | 中建一局集团第三建筑有限公司 | Positioning structure of shock insulation support |
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Application publication date: 20230418 |