CN114991502A - Laminated floor slab and beam steel bar connecting device - Google Patents
Laminated floor slab and beam steel bar connecting device Download PDFInfo
- Publication number
- CN114991502A CN114991502A CN202210825769.1A CN202210825769A CN114991502A CN 114991502 A CN114991502 A CN 114991502A CN 202210825769 A CN202210825769 A CN 202210825769A CN 114991502 A CN114991502 A CN 114991502A
- Authority
- CN
- China
- Prior art keywords
- lifting
- rotary
- plate
- lifting frame
- slab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- E04G25/00—Shores or struts; Chocks
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G2025/006—Heads therefor, e.g. pivotable
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G2025/045—Shores or struts; Chocks telescopic which telescoping action effected by a lever
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a device for connecting a prefabricated slab and a beam steel bar of a composite floor slab, which relates to the field of assembly type buildings and comprises a rotary platform; the rotary platform comprises a lifting plate, a rotary support and a rotary object placing plate; the lifting plate is rotatably connected with the lifting system; the rotary support is arranged on the surface of the lifting plate and connected with the bottom plate of the rotary storage plate; the inside of the rotating support is provided with a built-in motor for driving the rotating support to rotate. Through setting up rotary platform, can realize adjusting the angle of prefabricated plate on the horizontal plane, improve the precision that the prefabricated plate beard muscle anchor goes into the roof beam reinforcing bar, reduce the beard muscle and damaged.
Description
Technical Field
The invention relates to the field of fabricated buildings, in particular to a device for connecting a prefabricated slab and a beam steel bar of a composite floor slab and a construction method.
Background
At present, the assembled composite floor slab is an important floor slab form in the civil engineering construction field, and the composite floor slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-situ reinforced concrete layers.
The composite slab consists of cast-in-situ slab and prefabricated slab, the prefabricated slab is in the lower layer of the composite slab, the reinforcing bars are anchored into the beam through the prefabricated slab, and the cast-in-situ layer and the beam of the composite slab are cast simultaneously by the integral cast-in-situ method of the beam slab, so that the slab and the beam are connected into a whole and generate stress. The prefabricated slab is one of the components of the floor slab structure, and is a permanent template of the cast-in-place reinforced concrete superposed layer, thereby greatly reducing the laying time of the construction template and shortening the construction period.
Prefabricated plate erection equipment (patent No. 202010800096.5) of prefabricated building of prior art has solved prefabricated plate hoist and mount, the installation problem under narrow and small spaces such as limit for height width, but its primary structure only has one-way lift function, is fit for assisting workman to carry out the lift from level to vertical direction to precast concrete wallboard, can't adjust the angle of prefabricated plate on the horizontal plane, if the angle of needs adjustment prefabricated plate on the horizontal plane, just can only remove together with the device base, and is very troublesome, and causes the beard muscle to damage easily.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a device for connecting a prefabricated slab and a beam reinforcement of a composite floor slab, which can adjust the angle of the prefabricated slab on a horizontal plane, improve the accuracy of anchoring the beard reinforcement of the prefabricated slab into the beam reinforcement, and reduce the damage of the beard reinforcement.
In order to achieve the purpose, the invention adopts the technical scheme that:
a device for connecting a prefabricated slab and a beam steel bar of a laminated floor slab comprises a rotary platform; the rotary platform comprises a lifting plate, a rotary support and a rotary object placing plate; the lifting plate is rotatably connected with the lifting system; the rotary support is arranged on the surface of the lifting plate and connected with the bottom plate of the rotary storage plate; the inside of the rotating support is provided with a built-in motor for driving the rotating support to rotate.
According to the device for connecting the precast slab and the beam steel bar of the laminated floor slab, the anti-skid layer is preferably arranged on the slab surface of the rotary storage slab.
According to the device for connecting the precast slab and the beam steel bar of the composite floor slab, preferably, the lifting system consists of a lifting frame, a hydraulic rod, a hinge roller, an oil conveying pipe and an oil tank; the lifting frame comprises a hollow slideway lifting frame and a variable-diameter lifting frame; the hollow slideway lifting frame is connected with the hinge rolling shaft; the variable-diameter lifting frame and the hinge rolling shaft are arranged in a crossed and overlapped mode; the hollow slideway hoisting frame and the variable-diameter hoisting frame are in cross connection through hinge rolling shafts; the hinge rolling shaft is inserted in the center points of the hollow slide way lifting frame and the variable-diameter lifting frame; the hydraulic rod comprises a hydraulic shell, a lifting rod and a sealing rubber ring; the hydraulic shell is sleeved outside the lifting rod in a sealing manner; the sealing ring is nested between the hydraulic shell and the lifting rod to form sealing fixation; one end of the oil delivery pipe is connected with the oil tank, and the other end of the oil delivery pipe is connected with the hydraulic rod.
According to the device for connecting the precast slab and the beam steel bar of the laminated floor slab, the lifting system preferably further comprises a signal lamp; the number of the signal lamps is three; the signal lamps are respectively a red signal lamp, a yellow signal lamp and a green signal lamp.
According to the device for connecting the precast slab and the beam steel bar of the laminated floor slab, the lifting system preferably further comprises four upper rotating fixed seats; the four upper rotating fixing seats are fixed at the bottom of the lifting plate and are rotatably connected with the hollow slideway lifting frame and the variable-diameter lifting frame through hinge rolling shafts.
The device for connecting the precast slab and the beam steel bar of the composite floor slab preferably further comprises a support base, wherein the support base comprises two transverse support rods, two longitudinal support rods, four lower rotating supports and a buffer material; the two transverse supporting rod pieces are arranged in parallel; the two longitudinal support rods are arranged in parallel; the two longitudinal supporting pieces are vertically fixed between the two transverse supporting rod pieces; the buffer material is laid on the lower surfaces of the transverse support rod piece and the longitudinal support rod piece; the four lower rotating supports are arranged at the four end parts of the two transverse supporting rod pieces; the two lower rotating supports are rotatably connected with the two hollow slideway lifting frames through hinge rolling shafts; the two lower rotating supports are rotatably connected with the two variable-diameter lifting frames through hinge rolling shafts.
The technical scheme has the following advantages or beneficial effects:
the invention provides a device for connecting a prefabricated slab and a beam steel bar of a laminated floor slab, which comprises a rotary platform, wherein the rotary platform is provided with a plurality of connecting rods; the rotary platform comprises a lifting plate, a rotary support and a rotary object placing plate; the lifting plate is rotatably connected with the lifting system; the rotary support is arranged on the surface of the lifting plate and connected with the bottom plate of the rotary storage plate; the inside of the rotating support is provided with a built-in motor for driving the rotating support to rotate. Through setting up rotary platform, can realize adjusting the angle of prefabricated plate on the horizontal plane, improve the precision that the prefabricated plate beard muscle anchor goes into the roof beam reinforcing bar, reduce the beard muscle and damaged.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the support base and hydraulic lift system of the present invention;
FIG. 3 is a schematic view of a rotating platform of the present invention;
figure 4 is a view of the pivoting cradle and damped hinge roller connection of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples, which are not intended to limit the invention thereto.
Example 1:
as shown in fig. 1 to 4, the device for connecting a prefabricated slab and a beam steel bar of a composite floor provided by the invention comprises a rotary platform 3; the rotary platform 3 comprises a lifting plate 31, a rotary support 32 and a rotary object placing plate 33; the lifting plate 31 is rotatably connected with the lifting system 2; the rotary support 32 is arranged on the surface of the lifting plate 31 and is connected with the bottom plate of the rotary object placing plate 33; the rotating support 32 is internally provided with a built-in motor for driving the rotating support to rotate. The surface of the rotary storage plate 33 is provided with an anti-skid layer 34. When the device for connecting the prefabricated slab and the beam steel bar of the laminated floor provided by the embodiment 1 of the invention is constructed, the prefabricated slab is firstly hung on the rotary object placing plate 33 of the rotary platform 3 by using a tower crane or a tower crane, a motor in the rotary support 32 is started, the rotary support 32 is driven to drive the rotary object placing plate 33 to rotate together, the angle of the prefabricated slab is adjusted to the angle required by construction, the friction force between the rotary object placing plate and the prefabricated slab is increased by arranging the anti-skid layer 34, and the deviation error of the prefabricated slab caused by inertia during rotation is prevented. Through the design of the invention, the accuracy of the prefabricated plate beard rib in anchoring the beam reinforcing steel bar is improved, the damage of the beard rib is reduced, the construction process is optimized, and the construction efficiency is improved.
In the preferred embodiment of embodiment 1 of the present invention, the lifting system 2 is composed of a lifting frame 21, a hydraulic rod 22, a hinge roller 23, an oil pipe 24, and an oil tank 25; the lifting frame 21 comprises a hollow slideway lifting frame 211 and a variable diameter lifting frame 212; the hollow slide way lifting frame 211 is connected with the hinge roller 23; the variable-diameter lifting frame 212 and the hinge roller 23 are arranged in a crossed and overlapped mode; the hollow slideway lifting frame 211 and the variable diameter lifting frame 212 are in cross connection through a hinge roller 23; the hinge roller 23 is inserted into the center points of the hollow slide way lifting frame 211 and the variable diameter lifting frame 212; the hydraulic rod 22 includes a hydraulic housing 221, a lift rod 222, and a sealing rubber ring 223; the hydraulic casing 221 is sealed and sleeved outside the lifting rod 222; the sealing ring 223 is nested between the hydraulic casing 221 and the lifting rod 222 to form sealing fixation; one end of the oil delivery pipe 24 is connected with the oil tank 25, and the other end is connected with the hydraulic rod 22. In the preferred embodiment, the hollow slideway lifting frame 211 is provided with a hollow part, so that the diameter-variable lifting frame 212 can ascend, the hydraulic rod 22 drives the diameter-variable lifting frame 212 to ascend to drive the lifting plate 32 to lift one side of the hydraulic rod 22 first, after reaching the angle required by construction, one end of the beard rib of the precast slab is anchored into the beam steel bar first, then the hydraulic rod 22 is controlled to descend, the hinge roller 23 slides downwards from the hollow part of the hollow slideway lifting frame to drive the rotary platform 3 to descend together, and after both ends are anchored, the hydraulic lifting system 2 stops driving the rotary platform 3 to descend. The hollow slide way part of the hollow slide way lifting frame 211 can enable the diameter-variable lifting frame 212 to move freely, the lifting plate 32 is driven to lift on one side, the installation process is simpler, more convenient and more accurate, and compared with the existing method of lifting on one side, the prefabricated plate needs to be lifted manually to a specified position, the demand of multiple manpower is reduced, the construction efficiency is improved, and the construction cost is saved.
More specifically, the lift system further includes a signal light 26; the number of the signal lamps 26 is three; the signal lights 26 are a red signal light 261, a yellow signal light 262, and a green signal light 263, respectively. The working state of the lifting system is displayed through the signal lamp 26, the red signal lamp 261 is normally on when the power is turned on, the yellow signal lamp 262 is normally on for pause operation, and the green signal lamp 263 is normally on for working, so that a constructor can conveniently observe the working state of the device.
In order to achieve rotatable connection of the lifting system 2 to the lifting plate 31, the preferred embodiment provides four upper rotating holders 27; four upper rotating holders 27 are fixed to the bottom of the lifting plate 31 and rotatably connected to the hollow chute lift 211 and the variable diameter lift 212 by hinge rollers 23. The connection of the lifting plate 31 and the lifting system 2 is ensured through the arrangement of the four upper rotating fixing seats 27, and the lifting plate 31 can be lifted along with the lifting of the lifting system 2 and can be lowered along with the lowering.
In the preferred embodiment of embodiment 1 of the present invention, the present invention further comprises a support base 1, wherein the support base 1 comprises two horizontal support rods 11, two vertical support rods 12, four lower rotation supports 13 and a buffer material 14; the two transverse supporting rod pieces 11 are arranged in parallel; the two longitudinal support rods 12 are arranged in parallel; two longitudinal support rods 12 are vertically fixed between two transverse support rods 11; the buffer material 14 is laid on the lower surfaces of the transverse support rod 11 and the longitudinal support rod 12; the four lower rotating brackets 13 are arranged at the four end parts of the two transverse support rods 11; the two lower rotating brackets 13 are rotatably connected with the two hollow slideway lifting frames 211 through hinge rollers 23; the two lower rotating brackets 13 are rotatably connected with the two variable diameter lifting frames 212 through the hinge rollers 23. In this preferred embodiment, two horizontal support member 11 are 2000mm long, 100mm wide, height 50mm, two vertical support member 12 are 700mm long, 50mm wide, height 50mm, lay buffer material 14 at the bottom, and be equipped with 4 length 50mm, width 25mm, height 75 mm's U shaped steel rotates support 13, the area of supporting pedestal 1 has been reduced through such design, the installation of composite floor slab and beam reinforcing bar connecting device when the construction is convenient for, make whole device can use in more narrow and small construction scenes because of having reduced the volume simultaneously, the adaptability of whole device has been enlarged, buffer material 14 that the bottom set up has improved the bearing weight of whole device.
In conclusion, the connecting device for the prefabricated plates of the laminated floor slab and the beam steel bars effectively solves the problem of adjusting the angles of the prefabricated plates on the horizontal plane, improves the accuracy of anchoring the beard steel bars of the prefabricated plates into the beam steel bars, reduces the damage of the beard steel bars, ensures the stability of the prefabricated plates in the lifting process through hydraulic lifting, reduces the labor consumption, improves the construction efficiency and saves the construction cost.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (6)
1. A connection device of a prefabricated slab and a beam steel bar of a laminated floor slab is characterized by comprising a rotary platform; the rotary platform comprises a lifting plate, a rotary support and a rotary object placing plate; the lifting plate is rotatably connected with the lifting system; the rotary support is arranged on the surface of the lifting plate and connected with the bottom plate of the rotary storage plate; and a built-in motor for driving the rotary support to rotate is arranged in the rotary support.
2. The device for connecting a prefabricated slab and a beam steel bar of a composite floor slab as claimed in claim 1, wherein the surface of the rotary storage slab is provided with an anti-skid layer.
3. The device for connecting the precast slab and the beam steel bar of the composite floor slab as recited in claim 1, wherein the lifting system is composed of a lifting frame, a hydraulic rod, a plurality of hinge rollers, an oil pipeline and an oil tank; the lifting frame comprises a hollow slideway lifting frame and a variable-diameter lifting frame; the hollow slideway lifting frame is connected with the hinge rolling shaft; the variable-diameter lifting frame and the hinge rolling shaft are arranged in a crossed and overlapped mode; the hollow slideway lifting frame and the variable-diameter lifting frame are in cross connection through the hinge rolling shaft; the hinge rolling shaft is inserted into the center points of the hollow slide way lifting frame and the variable-diameter lifting frame; the hydraulic rod comprises a hydraulic shell, a lifting rod and a sealing rubber ring; the hydraulic shell is arranged outside the lifting rod in a sealing manner; the sealing ring is nested between the hydraulic shell and the lifting rod to form sealing fixation; one end of the oil delivery pipe is connected with the oil tank, and the other end of the oil delivery pipe is connected with the hydraulic rod.
4. A laminated floor slab and beam reinforcement connection assembly as defined in claim 3, wherein said lifting system further comprises a signal light; the number of the signal lamps is three; the signal lamps are respectively a red signal lamp, a yellow signal lamp and a green signal lamp.
5. A composite floor slab and beam reinforcement connection apparatus as defined in claim 3, wherein said lifting system further comprises four upper rotary holders; the four upper rotating fixing seats are fixed at the bottom of the lifting plate and are rotatably connected with the hollow slideway lifting frame and the variable-diameter lifting frame through hinge rolling shafts.
6. The apparatus for joining a prefabricated slab to a beam reinforcement of a composite floor slab as claimed in claim 1, further comprising a support base, wherein said support base comprises two horizontal support members, two vertical support members, four lower rotation brackets and a buffer material; the two transverse support rods are arranged in parallel; the two longitudinal support rod pieces are arranged in parallel; the two longitudinal supporting pieces are vertically fixed between the two transverse supporting rod pieces; the buffer material is laid on the lower surfaces of the transverse support rod piece and the longitudinal support rod piece; the four lower rotating supports are arranged at the four end parts of the two transverse supporting rod pieces; the two lower rotating supports are rotatably connected with the two hollow slideway lifting frames through the hinge rolling shafts; the two lower rotating supports are rotatably connected with the two variable-diameter lifting frames through the hinge rolling shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210825769.1A CN114991502A (en) | 2022-07-13 | 2022-07-13 | Laminated floor slab and beam steel bar connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210825769.1A CN114991502A (en) | 2022-07-13 | 2022-07-13 | Laminated floor slab and beam steel bar connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114991502A true CN114991502A (en) | 2022-09-02 |
Family
ID=83021232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210825769.1A Pending CN114991502A (en) | 2022-07-13 | 2022-07-13 | Laminated floor slab and beam steel bar connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114991502A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208310249U (en) * | 2018-04-18 | 2019-01-01 | 湖北沛函建设有限公司 | The prefabricated board auxiliary adjustment installation equipment of assembled architecture |
| CN210214678U (en) * | 2019-05-21 | 2020-03-31 | 无锡市磨锋工业设备制造有限公司 | Scissor hydraulic lift with rotary table top |
| CN211021911U (en) * | 2019-10-10 | 2020-07-17 | 杭州宝仑会议服务有限公司 | Rotary lifting exhibition stand |
| CN111927113A (en) * | 2020-08-11 | 2020-11-13 | 孙乐洋 | Prefabricated plate erection equipment of prefabricated building |
| CN112707348A (en) * | 2019-10-24 | 2021-04-27 | 无锡圣特灵升降机械有限公司 | Rotatable hydraulic elevator |
| CN216940099U (en) * | 2021-12-19 | 2022-07-12 | 湖南华鑫新型耐磨材料科技有限责任公司 | Workstation is used in casting processing |
-
2022
- 2022-07-13 CN CN202210825769.1A patent/CN114991502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208310249U (en) * | 2018-04-18 | 2019-01-01 | 湖北沛函建设有限公司 | The prefabricated board auxiliary adjustment installation equipment of assembled architecture |
| CN210214678U (en) * | 2019-05-21 | 2020-03-31 | 无锡市磨锋工业设备制造有限公司 | Scissor hydraulic lift with rotary table top |
| CN211021911U (en) * | 2019-10-10 | 2020-07-17 | 杭州宝仑会议服务有限公司 | Rotary lifting exhibition stand |
| CN112707348A (en) * | 2019-10-24 | 2021-04-27 | 无锡圣特灵升降机械有限公司 | Rotatable hydraulic elevator |
| CN111927113A (en) * | 2020-08-11 | 2020-11-13 | 孙乐洋 | Prefabricated plate erection equipment of prefabricated building |
| CN216940099U (en) * | 2021-12-19 | 2022-07-12 | 湖南华鑫新型耐磨材料科技有限责任公司 | Workstation is used in casting processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11655600B2 (en) | Method for installing steel tube arches | |
| CN108560927B (en) | Steel rib column hoisting system and use method thereof | |
| CA1141183A (en) | Method and apparatus for pumping concrete to form structure at elevated heights | |
| RU2624471C1 (en) | Method of constructing cylindrical reservoir | |
| CN109113765A (en) | A kind of Rectangular Tunnel lining template trolley for baffle and its construction | |
| CN112320611B (en) | Overweight assembled prefabricated stair hoisting device and construction method | |
| CN112359730A (en) | Steel pipe arch installation method | |
| JPH09158470A (en) | Prefabricated scaffolding for bridge pier | |
| CN107816209B (en) | The large-scale Roof Truss construction technology of installation is lifted across outer two sides | |
| CN111074903B (en) | Foundation pit construction method with steel support capable of being turned over | |
| JP3013688B2 (en) | Construction method of concrete structure | |
| CN114991502A (en) | Laminated floor slab and beam steel bar connecting device | |
| CN111719845A (en) | Three-connected silo slip form construction method | |
| JP5292019B2 (en) | Pile construction device and cast-in-place concrete pile construction method | |
| CN115613833A (en) | On-spot prefabrication of building wall builds equipment by laying bricks or stones | |
| CN111042173B (en) | Quicksand layer open caisson construction method | |
| CN113152978A (en) | Hydraulic self-lifting construction method based on inverted cone shell water tank | |
| CN108755419B (en) | Construction platform for hoisting bridge shock-proof steel stop block and installation method | |
| CN214662461U (en) | Pipeline moving device for laying large-diameter pipeline | |
| CN221093460U (en) | Nearby business line pile foundation construction removes gallows device | |
| CN213773458U (en) | Large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system | |
| US11946217B1 (en) | Top plate jacking device and jacking construction method configured for V-shaped columns | |
| CN219098618U (en) | Pile foundation construction is with a section of thick bamboo installation hoist that protects against | |
| CN115977129A (en) | Assembly type circular open caisson device and installation method | |
| CN211971561U (en) | Install stable column cantilever crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |