CN114382300A - Supporting and positioning device for assembled concrete vertical member and mounting method thereof - Google Patents
Supporting and positioning device for assembled concrete vertical member and mounting method thereof Download PDFInfo
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- CN114382300A CN114382300A CN202210081474.8A CN202210081474A CN114382300A CN 114382300 A CN114382300 A CN 114382300A CN 202210081474 A CN202210081474 A CN 202210081474A CN 114382300 A CN114382300 A CN 114382300A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 abstract description 41
- 230000008569 process Effects 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010330 laser marking Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011112 process operation 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses an assembled concrete vertical member supporting and positioning device and an installation method thereof, wherein the supporting and positioning device comprises a supporting component arranged at the top end of a lower layer member and a fixing component arranged at the lower end of an upper layer member and matched with the supporting component; the supporting assembly comprises a supporting gasket, a supporting screw rod fixedly arranged on the supporting gasket, and an adjustable nut in threaded connection with the upper end of the supporting screw rod, and further comprises a threaded section arranged in the middle of the supporting screw rod, and two fixing nuts are arranged in the middle of the supporting screw rod; the fixing assembly comprises a supporting groove used for accommodating the adjustable nut, a fixing gasket and a fixing bolt, a bolt hole is formed in the supporting groove, and one end of the fixing bolt penetrates through the fixing gasket to be matched with the bolt hole. This device has better spreading value and popularization meaning in the assembly construction, provides more effectual guarantee and support for the target that assembly high efficiency, high quality, reduce artifical reliance by a wide margin.
Description
Technical Field
The invention relates to the technical field of assembly type building construction, in particular to an assembly type concrete vertical member supporting and positioning device and an installation method thereof.
Background
During the installation of assembled vertical members such as walls and columns, the traditional method of the lower part of the vertical prefabricated member adopts a steel gasket to support the walls, but the following problems are frequently found in the construction process:
the steel gasket is placed on the concrete face after the chisel hair, and the concrete face and the prefabricated component bottom surface of pouring are the rough surface, and local pressurized can cause the deformation of different degrees, and is comparatively unfavorable to assembled horizontal gap control. Leveling process operation needs the workman constantly to increase and decrease the gasket, and it is great to workman's level of construction level dependence, and later stage disturbance compression probably appears, influences the gap size of wallboard.
The size of the gasket is generally 100 multiplied by 100mm, two parts are installed, the strength of concrete is generally required to reach 10MPa, particularly, the strength of the concrete is slowly developed during winter construction, the gasket can be installed at intervals of 2 days, the construction interval is increased, and the construction period is prolonged.
The cast-in-place concrete strength is difficult to judge during field construction, and concrete under the gasket is crushed or cracks are caused due to poor control of the intermittent time in winter construction, so that great potential safety hazards and quality hazards are brought.
When the component is installed, the positioning control is greatly influenced by the technical level of workers, the horizontal gap between an upper layer and a lower layer, the vertical gap and the height between the upper layer and the lower layer are not easy to control, the gluing influence on the gap in the later external wall decoration construction is large, and the problems of uneven gap width, wrong peaks, blind seams and the like are caused.
Disclosure of Invention
The invention provides an assembly type concrete vertical member supporting and positioning device which is convenient to install and high in precision and an installation method thereof.
The technical problem to be solved is that: the existing assembled vertical component has low installation precision, low safety and long construction period.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses an assembled concrete vertical member supporting and positioning device, which comprises a supporting component arranged at the top end of a lower layer member and a fixing component arranged at the lower end of an upper layer member and matched with the supporting component;
the supporting assembly comprises a supporting gasket, a supporting screw rod fixedly arranged on the supporting gasket and an adjustable nut in threaded connection with the upper end of the supporting screw rod;
the fixing assembly includes a support slot for receiving an adjustable nut.
The assembled concrete vertical member supporting and positioning device is characterized in that the upper part of the adjustable nut is in a circular truncated cone shape.
The assembled concrete vertical member supporting and positioning device further comprises a threaded section arranged in the middle of the supporting screw rod, and two fixing nuts are mounted in the middle of the supporting screw rod.
According to the assembled concrete vertical member supporting and positioning device, the supporting gasket is square or round.
The assembly type concrete vertical component supporting and positioning device further comprises a fixing gasket and a fixing bolt, wherein a bolt hole is formed in the supporting groove, and one end of the fixing bolt penetrates through the fixing gasket to be matched with the bolt hole.
The assembled concrete vertical member supporting and positioning device is characterized in that the supporting groove is in a circular truncated cone shape.
The assembled concrete vertical member supporting and positioning device is characterized in that the diameter of the top of the supporting groove is larger than that of the top of the fixing nut.
The assembled concrete vertical member supporting and positioning device further comprises a supporting groove, wherein the diameter of the top of the supporting groove is 10mm larger than that of the top of the fixing nut.
The invention discloses an installation method of an assembly type concrete vertical member supporting and positioning device, which comprises the following steps:
step 1: the prefabricated part: when the lower-layer component is prefabricated, a support gasket is pre-embedded in the upper end of the lower-layer component and is clamped on two sides of a lower-layer component template in a matching manner to fix a support screw rod;
when the upper-layer component is prefabricated, the support groove is embedded at the lower end of the upper-layer component and is fixed by matching with the fixing gasket and the fixing bolt;
when the mold is removed, the upper fixing nut is removed, the fixing gasket and the fixing bolt are removed, and then the mold is removed;
step 2: and (3) mounting of prefabricated parts: firstly, a lower-layer component is installed, rechecking adjustment is carried out before the upper-layer component is safe, the height is controlled by adjusting the adjustable nut, then the upper-layer component is installed, and the adjustable nut slides into the supporting groove to position and support the upper-layer component during installation.
Compared with the prior art, the invention has the following beneficial effects:
1. high precision
The control precision of the embedded part of the prefabricated part processing and producing component can reach within 5mm, the vertical height adjusting range between the supporting component and the supporting groove is +/-10 mm, the control precision is +/-5 mm, and the horizontal position adjusting range and the control precision are +/-5 mm. After on-site leveling and the vertical component is in place, the control precision can be guaranteed to be within 5mm, and the control precision can be improved through on-site fine control. And traditional technology pad steel gasket, every piece of steel gasket generally is more than 4mm, and every increase and decrease a piece of gasket thickness increase and decrease promptly can't reach millimeter level control for more than 4mm, and the steel gasket can't play horizontal displacement's control, is manual control, and the precision is relatively poor. Therefore, the device has more obvious precision advantage.
2. High operability
The traditional process method needs manual repeated increase and decrease of the gasket, manual insertion of the bottom of the self-hoisting component, measurement of elevation and horizontal position of the vertical component and repeated operation. And gaps exist among the multi-layer gaskets, loose concrete exists on the contact surface between the multi-layer gaskets and the member, the position of the multi-layer gaskets is changed easily due to disturbance, repeated adjustment is needed, and the operation is not easy. The adjustable nut of once leveling to required elevation before this device installation, once fall into the component and finely tune the back can, maneuverability is strong, easy construction.
3. Stable quality
In the traditional process, the elevation and the horizontal position are adjusted manually, so that the process is limited by the technical level and the responsibility of workers, and the intermediate links are not easy to control in the acceptance process of construction units and supervision units, so that the construction is difficult to modify after the construction is finished, the manpower is increased, and the construction period is prolonged. This device passes through adjustable nut, can adopt laser marking instrument or surveyor's level to carry out the elevation adjustment of adjustable nut and increase the process and check and accept the link before component hoist and mount after the folded plate concrete placement accomplishes, can very effectual assurance construction quality, provides one-time pass rate and qualification rate. And the embedded device is completed in the component processing factory, and the embedded part is fixed by one set of die, so that the quality of batch production is more stable.
4. Shortening construction period
In the traditional process method, the support gasket is placed on the cast-in-place concrete, so that the support gasket is limited by the strength of the cast-in-place concrete, the early strength of the concrete in winter construction is low, the problem is more obvious, the problem that the gasket crushes the concrete easily due to too early hoisting of the member can not be supported, and the hoisting operation of the vertical member can be generally carried out after two days of maintenance. And the construction site generally reserves the maintenance test block with the same condition for measuring and setting the hoisting time independently, is greatly influenced by heat preservation measures and weather, and generally judges the hoisting time according to experience on the site. By adopting the device, the strength of concrete can be not considered, and the weight of the upper-layer vertical member is completely transferred to the next prefabricated member by the device. The lower process construction can be carried out after the on-site concrete meets the requirement of the strength of people, the technical gap is shortened, the construction period of a key line is reduced, particularly for high-rise houses, the interval time of 2 days is saved for each floor, and the total construction period of 36 days can be saved for 18 floors of houses.
5. Has high safety
Traditional construction process can't the science grasp cast in situ concrete intensity, causes the concrete crushing because of external disturbance such as vibration, striking, extrusion easily, and the concrete that extrudees the destruction on the one hand can't be restoreed by oneself, is equivalent to the safeguard measure who has reduced structural component size and reinforcing bar, influences structural safety, and on the other hand, great deformation causes vertical component slope easily, major potential safety hazards such as fall. The device guarantees the structural safety and construction safety of the component through scientific and reasonable strength support
In conclusion, the device has good popularization value and popularization significance in assembly type construction, and provides more effective guarantee and support for the purposes of assembly type high efficiency, high quality and great reduction of manual dependence.
The invention will be further explained with reference to the drawings.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic structural view of a support assembly of the present invention;
fig. 3 is a schematic structural view of the fixing assembly of the present invention.
Reference numerals:
1. a lower layer member; 2. an upper layer member; 3. a support assembly; 31. a support pad; 32. a support screw; 33. fixing a nut; 34. an adjustable nut; 35. a threaded segment; 4. a fixing assembly; 41. a support groove; 42. fixing a gasket; 43. fixing the bolt; 44. bolt holes.
Detailed Description
As shown in fig. 1-3, the supporting and positioning device for the fabricated concrete vertical member and the installation method thereof of the present invention comprise a supporting component 3 disposed at the top end of a lower member 1 for supporting an upper member 2, and a fixing component 4 disposed at the lower end of the upper member 2 and engaged with the supporting component 3. The supporting assemblies 3 are arranged on the lower-layer vertical component, and when the vertical component is a wall body, the supporting assemblies are arranged at no less than two positions in the middle; when the column is used, the column is arranged at four corners of the column, preferably at four positions. The fixed component 4 is arranged at the bottom of the upper-layer component 2, the position of the fixed component is consistent with that of the supporting component 3 on the lower-layer component 1, and the installation precision is controlled within 5 mm.
The support component 3 comprises a support gasket 31, a support screw 32, a fixing nut 33 and an adjustable nut 34, the support gasket 31 is square or circular and is welded with the support screw 32 into a whole, and the support gasket 31 can provide a larger stress area for the stress of the support screw 32 and better provide support. The middle part and the top part of the supporting screw rod 32 are both provided with a thread section 35, the middle part of the supporting screw rod 32 is provided with two fixing nuts 33 which are used for fixing the prefabricated part metal formwork in the component processing factory, and when the component is demoulded, the upper fixing nuts 33 are loosened or removed. The adjustable nut 34 is in threaded connection with a threaded section 35 at the top of the supporting bolt and used for adjusting the installation elevation of the upper member before the upper member 2 is installed on site, and the upper end of the adjustable nut is in a circular truncated cone shape.
The fixing component 4 comprises a supporting groove 41, a fixing gasket 42 and a fixing bolt 43, wherein the supporting groove 41 is pre-buried in the bottom of the upper-layer component 2, the supporting groove 41 is in a circular truncated cone shape, and the diameter of the top of the supporting groove 41 is 10mm larger than that of the top of the fixing nut 33, so that the functions of limiting and adjusting displacement are achieved. The supporting groove 41 is internally provided with a bolt hole 44, and the fixing gasket 42 is matched with the fixing bolt 43 for use, so that the supporting groove 41 is fixed during processing in a component processing factory and is detached when a mold is to be removed.
The mounting method of the supporting and positioning device for the assembled concrete vertical member comprises the following steps:
step 1: the prefabricated part: when the lower-layer component 1 is prefabricated, the supporting gasket 31 is pre-embedded in the upper end of the lower-layer component 1, and is clamped on two sides of a template of the lower-layer component 1 by matching with two fixing nuts 33 to fix the supporting screw rod 32;
when the upper layer component 2 is prefabricated, the supporting groove 41 is pre-embedded at the lower end of the upper layer component 2, and the supporting groove 41 is fixed with a template by matching with a fixing gasket 42 and a fixing bolt 43;
when the mold is removed, the upper fixing nut 33 is removed, the fixing gasket 42 and the fixing bolt 43 are removed, and then the mold is removed;
step 2: and (3) mounting of prefabricated parts: before the components leave a factory, whether the position and the verticality of the supporting screw 32 of the lower-layer component 1 meet requirements or not is checked, the lower-layer component 1 is installed firstly, rechecking adjustment is carried out before the upper-layer component 2 is safe, the height is controlled by adjusting the adjustable nut 34, then the upper-layer component 2 is installed, the adjustable nut 34 slides into the supporting groove 41 to position and support the upper-layer component 2 during installation, and finally component position fine adjustment is carried out.
The device compares with conventional vertical member construction way, has the advantage:
1. high precision
The control precision of the embedded part of the prefabricated part processing and producing component can reach within 5mm, the vertical height adjusting range between the supporting component 3 and the supporting groove 41 is +/-10 mm, the control precision is within +/-5 mm, and the horizontal position adjusting range and the control precision are +/-5 mm. After on-site leveling and the vertical component is in place, the control precision can be guaranteed to be within 5mm, and the control precision can be improved through on-site fine control. And traditional technology pad steel gasket, every piece of steel gasket generally is more than 4mm, and every increase and decrease a piece of gasket thickness increase and decrease promptly can't reach millimeter level control for more than 4mm, and the steel gasket can't play horizontal displacement's control, is manual control, and the precision is relatively poor. Therefore, the device has more obvious precision advantage.
2. High operability
The traditional process method needs manual repeated increase and decrease of the gasket, manual insertion of the bottom of the self-hoisting component, measurement of elevation and horizontal position of the vertical component and repeated operation. And gaps exist among the multi-layer gaskets, loose concrete exists on the contact surface between the multi-layer gaskets and the member, the position of the multi-layer gaskets is changed easily due to disturbance, repeated adjustment is needed, and the operation is not easy. The adjustable nut 34 is leveled to required elevation once before the installation of this device, once fall into the component and finely tune the back can, maneuverability is strong, easy construction.
3. Stable quality
In the traditional process, the elevation and the horizontal position are adjusted manually, so that the process is limited by the technical level and the responsibility of workers, and the intermediate links are not easy to control in the acceptance process of construction units and supervision units, so that the construction is difficult to modify after the construction is finished, the manpower is increased, and the construction period is prolonged. This device passes through adjustable nut 34, can adopt laser marking instrument or surveyor's level to carry out the elevation adjustment of adjustable nut 34 and increase the process and accept the link before component hoist and mount after the superimposed sheet concrete placement accomplishes, can very effectual assurance construction quality, provides one-time pass rate and qualification rate. And the embedded device is completed in the component processing factory, and the embedded part is fixed by one set of die, so that the quality of batch production is more stable.
4. Shortening construction period
In the traditional process method, the supporting gasket 31 is placed on the cast-in-place concrete, so that the strength of the cast-in-place concrete is limited, the early strength of the construction concrete in winter is lower, the problem is more obvious, the problem that the gasket crushes the concrete easily due to too early hoisting of the member is solved, the supporting effect cannot be achieved, and the hoisting operation of the vertical member can be generally carried out after two days of maintenance. And the construction site generally reserves the maintenance test block with the same condition for measuring and setting the hoisting time independently, is greatly influenced by heat preservation measures and weather, and generally judges the hoisting time according to experience on the site. By adopting the device, the strength of concrete can be not considered, and the weight of the upper-layer vertical member is completely transferred to the next prefabricated member by the device. The lower process construction can be carried out after the on-site concrete meets the requirement of the strength of people, the technical gap is shortened, the construction period of a key line is reduced, particularly for high-rise houses, the interval time of 2 days is saved for each floor, and the total construction period of 36 days can be saved for 18 floors of houses.
5. Has high safety
Traditional construction process can't the science grasp cast in situ concrete intensity, causes the concrete crushing because of external disturbance such as vibration, striking, extrusion easily, and the concrete that extrudees the destruction on the one hand can't be restoreed by oneself, is equivalent to the safeguard measure who has reduced structural component size and reinforcing bar, influences structural safety, and on the other hand, great deformation causes vertical component slope easily, major potential safety hazards such as fall. The device guarantees the structural safety and construction safety of the component through scientific and reasonable strength support
In conclusion, the device has good popularization value and popularization significance in assembly type construction, and provides more effective guarantee and support for the purposes of assembly type high efficiency, high quality and great reduction of manual dependence.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. Assembled concrete vertical member supports positioner, its characterized in that: comprises a supporting component (3) arranged at the top end of a lower layer component (1) and a fixing component (4) arranged at the lower end of an upper layer component (2) and matched with the supporting component (3);
the supporting component (3) comprises a supporting gasket (31), a supporting screw rod (32) fixedly arranged on the supporting gasket (31) and an adjustable nut (34) in threaded connection with the upper end of the supporting screw rod (32);
the fixing assembly (4) comprises a support groove (41) for accommodating an adjustable nut (34).
2. The fabricated concrete vertical member supporting and positioning device according to claim 1, wherein: the upper part of the adjustable nut (34) is in a round table shape.
3. The fabricated concrete vertical member supporting and positioning device according to claim 1, wherein: the supporting component (3) further comprises a thread section (35) arranged in the middle of the supporting screw rod (32), and two fixing nuts (33) are mounted in the middle of the supporting screw rod (32).
4. The fabricated concrete vertical member supporting and positioning device according to claim 1, wherein: the supporting gasket (31) is square or round.
5. The fabricated concrete vertical member supporting and positioning device according to claim 1, wherein: the fixing assembly (4) further comprises a fixing gasket (42) and a fixing bolt (43), a bolt hole (44) is formed in the supporting groove (41), and one end of the fixing bolt (43) penetrates through the fixing gasket (42) to be matched with the bolt hole (44).
6. The fabricated concrete vertical member supporting and positioning device according to claim 2, wherein: the supporting groove (41) is internally in a circular truncated cone shape.
7. The fabricated concrete vertical member supporting and positioning device according to claim 6, wherein: the diameter of the top of the supporting groove (41) is larger than that of the top of the fixing nut (33).
8. The fabricated concrete vertical member supporting and positioning device according to claim 7, wherein: the diameter of the top of the supporting groove (41) is 10mm larger than that of the top of the fixing nut (33).
9. A method of installing the fabricated concrete vertical member supporting and positioning device of any one of claims 1 to 8, comprising the steps of:
step 1: the prefabricated part: when the lower-layer component (1) is prefabricated, a supporting gasket (31) is pre-buried in the upper end of the lower-layer component (1), and is clamped on two sides of a template of the lower-layer component (1) by matching with two fixing nuts (33) to fix a supporting screw rod (32);
when the upper layer component (2) is prefabricated, the supporting groove (41) is pre-buried at the lower end of the upper layer component (2), and the supporting groove (41) is fixed by matching with a fixing gasket (42) and a fixing bolt (43);
when the die is removed, the upper fixing nut (33) is removed, the fixing gasket (42) and the fixing bolt (43) are removed, and then the die is removed;
step 2: and (3) mounting of prefabricated parts: firstly, the lower layer component (1) is installed, rechecking adjustment is carried out before the upper layer component (2) is safe, the height is controlled by adjusting the adjustable nut (34), then the upper layer component (2) is installed, and the adjustable nut (34) slides into the supporting groove (41) to position and support the upper layer component (2) during installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081474.8A CN114382300A (en) | 2022-01-24 | 2022-01-24 | Supporting and positioning device for assembled concrete vertical member and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081474.8A CN114382300A (en) | 2022-01-24 | 2022-01-24 | Supporting and positioning device for assembled concrete vertical member and mounting method thereof |
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| CN114382300A true CN114382300A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210081474.8A Pending CN114382300A (en) | 2022-01-24 | 2022-01-24 | Supporting and positioning device for assembled concrete vertical member and mounting method thereof |
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| CN (1) | CN114382300A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006100463A4 (en) * | 2006-06-23 | 2006-08-31 | Freddy Bashour | Bricklayers pillar builder |
| CN204001720U (en) * | 2014-08-08 | 2014-12-10 | 中建七局(上海)有限公司 | Service sleeve in a kind of constructional column |
| CN111663794A (en) * | 2020-07-02 | 2020-09-15 | 北京住总集团有限责任公司 | Wall body leveling mechanism for longitudinal rib superposed shear wall and construction method |
| CN215107282U (en) * | 2021-06-24 | 2021-12-10 | 中建一局集团建设发展有限公司 | Template connection structure of structural wall |
-
2022
- 2022-01-24 CN CN202210081474.8A patent/CN114382300A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006100463A4 (en) * | 2006-06-23 | 2006-08-31 | Freddy Bashour | Bricklayers pillar builder |
| CN204001720U (en) * | 2014-08-08 | 2014-12-10 | 中建七局(上海)有限公司 | Service sleeve in a kind of constructional column |
| CN111663794A (en) * | 2020-07-02 | 2020-09-15 | 北京住总集团有限责任公司 | Wall body leveling mechanism for longitudinal rib superposed shear wall and construction method |
| CN215107282U (en) * | 2021-06-24 | 2021-12-10 | 中建一局集团建设发展有限公司 | Template connection structure of structural wall |
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Application publication date: 20220422 |