CN109025306A - Concreting buffering vertical slip cylinder in civil construction - Google Patents
Concreting buffering vertical slip cylinder in civil construction Download PDFInfo
- Publication number
- CN109025306A CN109025306A CN201810749734.8A CN201810749734A CN109025306A CN 109025306 A CN109025306 A CN 109025306A CN 201810749734 A CN201810749734 A CN 201810749734A CN 109025306 A CN109025306 A CN 109025306A
- Authority
- CN
- China
- Prior art keywords
- buffer
- vertical
- hopper
- tube
- concrete
- 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
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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0481—Concrete chutes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Concreting buffering vertical slip cylinder in civil construction disclosed by the invention, receiving cone is connected at the top of vertical flow cartridge, its lower end is connected with buffer, buffer lower end is connected with rigid snubber connector, rigid snubber connector discharge end is connected with oblique DC tube, and oblique DC tube lower end is inserted into hopper；On the swivel bearing that hopper is mounted on the base, rotate sub-feed tube and hopper solder design, it rotates sub-feed tube inclination angle and is greater than 34 °, pedestal, which is fixedly connected on, pours material distributing flat center, material distributing flat setting is poured to be fixed on sliding formwork frame, 5t low speed winch is installed, wirerope promotes it using 8t truck crane and respectively save vertical chute by the perfectly straight pipe of movable pulley lifting inclined on surge shaft portal frame, vertical chute on the right side of surge shaft well head.It is effectively utilized concrete gravity potential energy, achieves good Social benefit and economic benefit；Concrete batching system has no aggregate separated, excreting water phenomenon in casting process, ensure that concrete construction quality.
Description
Technical field
The present invention relates to concretings in construction equipment technical field more particularly to a kind of civil construction to buffer
Vertical slip cylinder.
Background technique
During pressure regulation well shaft concrete construction, concrete conventional vertical transportation resources is utilized in diversion tunnel
Concrete pump pumps up supply concrete batching system.And due to the Geological Reasons in locating geographical location of constructing, Yi Jikai
The delay of duration construction speed is dug, the more construction period has been delayed, causes the main hole section of surge shaft diversion and pressure regulation well shaft coagulation
Native lining cutting must carry out parallel construction simultaneously, just be able to satisfy unit operation time limit for contract target.Therefore original concrete conveyance
Pumping vertical transporting method is no longer satisfied existing construction requirement.In order to accelerate construction of concrete lining, reduces in tunnel and mix
Solidifying soil construction interference, surge shaft lining shaft necessarily are formed independent vertical transport transportation system, and inventor researchs and develops thus
Concreting is used for delivering concrete with buffering vertical slip cylinder, is preferably utilized the flowing of concrete batching system
Property, it is effectively utilized the gravitional force of concrete batching system, compared with delivery pump overcomes gravity haulage concrete, is achieved good
Economic benefit.
Summary of the invention
For the above the deficiencies in the prior art, uses and delay the object of the present invention is to provide concreting in a kind of civil construction
Vertical slip cylinder is rushed, the gravitional force and mobility of concrete batching system is preferably utilized, guarantees the smooth of construction speed
It carries out.
To achieve the above object, the present invention is implemented with the following technical solutions:
Concreting buffering vertical slip cylinder in civil construction, including vertical flow cartridge, the vertical flow cartridge are selected
Φ 150mm seamless steel pipe and flange welding are made, and save long 1500mm setting in vertical direction, pass through spiral shell at the top of the vertical flow cartridge
Bolt is connected and installed with the receiving cone for selecting thickness 0.3mm sheet metal, the production of DN120mm steel pipe, is used for concrete mixing and transporting car
Concrete batching system is provided to vertical flow cartridge, receiving cone bell mouth is welded 45mm × 45mm grid with Φ 6mm reinforcing bar, can prevent
Chute is only entered by grid containing the oversize aggregate greater than Φ 40mm in second level match ratio concrete, and causes chute or buffering
Device blocking, and inner edge at the top of the surge shaft fore shaft lining concrete of surge shaft well head is arranged in receiving cone funnel operating platform
At edge, the receiving cone funnel operating platform is equipped with high 1200mm steel construction railing, and surrounding is wrapped up with safe Dense mesh screen, railing
Bottom is installed with steel plate is not less than 20mm skirting board, and operating platform fashioned iron and steel form composition add canvas application of anti-leakage layers, surface layer adds
Bamboo attachment strap is pressed, leakproof, buffering are played the role of；
The vertical flow cartridge lower end is connected with buffer feed end, it is therefore an objective to control the discharging of vertical flow cartridge do not block, coagulation
Native mix does not separate, and the buffer is made of feed end, discharge end, buffer pocket, buffer substrate tablet, and the buffer pocket is in cuboid
Cavity structure setting, selects thickness 20mm steel plate to be welded, and is welded with feed end in vertical direction on the left of upper side, downside
Right side of face is welded with discharge end in vertical direction, the buffer substrate tablet be welded on using thickness 20mm, 16Mn high-strength steel in 45 ° of inclination angle and
In the corresponding buffer pocket cavity of feed end, the feed end, discharge end select Φ 150mm seamless steel pipe to weld respectively with buffer pocket
Seam connection, end is respectively arranged with flange；
The buffer discharge end is connected with second to the 5th section of vertical flow cartridge, buffer in turn, wherein Section of five buffering
Device lower end is connected with the rigid snubber connector feed end in bending-like structure, the rigid snubber connector using buffer weld seam or
Bolt rigid connection, and during vertical chute is not promoted and rotary distributing device individually rises, vertical chute and tiltedly directly
Elephant trunk can be rotated integrally around the fixed end of the vertical chute of surge shaft top first segment, it is ensured that the whole of process is slipped under transportation system concrete
Body is unimpeded；
Each vertical chute tube coupling central part respectively symmetrically one group of Φ of solder design, 6 reinforcing bar earrings, it is described vertical
One group of 16 wirerope of Φ is configured in chute installation process, preventing from slipping self weight and vertical impact in transmission process under concrete may draw
The flange or bolt risen is destroyed and is damaged；
The rigid snubber connector discharge end is connected in angularly disposed oblique DC tube, the oblique DC tube lower end insertion
In hopper, the oblique DC tube is using Φ 150mm seamless steel pipe concrete batching system in vertical chute to surge shaft center
Rotary distributing device feed；
The rotary distributing device by hopper, swivel bearing, rotation sub-feed tube, pedestal, pour material distributing flat and form, institute
It states hopper to cut using 0.3mm steel plate, be made up of solder design, the swivel bearing being mounted on the base is arranged in hopper
On, the swivel bearing can be rotated around 360 ° of base center axis, facilitate rotation sub-feed tube for 360 ° of circumferential sub-materials；
The rotation sub-feed tube is greater than using Φ 150mm seamless steel pipe and hopper solder design, rotation sub-feed tube inclination angle
34 °, the pedestal is fixedly connected on by weld seam using Φ 250mm steel pipe and pours material distributing flat center, substructure height
It is arranged by its height of the pitch angle control of rotation sub-feed tube；
The material distributing flat that pours is formed using fashioned iron, bamboo attachment strap, and is arranged and is fixed on sliding formwork frame, it is ensured that with sliding formwork frame
It rises overally, surface layer spreads canvas sealing, prevents the sundries such as aggregate, tool, steel bar end, welding slag from falling and causes on the downside of it
The injury of the main hole construction personnel of diversion；
5t low speed winch is installed, wirerope passes through movable pulley on surge shaft portal frame on the right side of the surge shaft well head
The perfectly straight pipe of lifting inclined, the vertical chute promote it using 8t truck crane and respectively save vertical chute.
The utility model has the advantages that concreting buffering vertical slip cylinder, vertical flow cartridge in civil construction disclosed by the invention
Top is connected with receiving cone, and lower end is connected with buffer, and buffer lower end is connected with rigid snubber connector, and rigid snubber connects
Head discharge end is connected with oblique DC tube, and oblique DC tube lower end is inserted into hopper；The swivel bearing that hopper is mounted on the base
On, rotation sub-feed tube and hopper solder design, rotation sub-feed tube inclination angle is greater than 34 °, and pedestal is fixedly connected on that pour sub-material flat
Platform center pours material distributing flat setting and is fixed on sliding formwork frame, is equipped with 5t low speed winch on the right side of surge shaft well head,
Wirerope promotes its each section vertically using 8t truck crane by the perfectly straight pipe of movable pulley lifting inclined on surge shaft portal frame, vertical chute
Chute.It is effectively utilized concrete gravity potential energy, achieves good Social benefit and economic benefit；Concrete in casting process
Mix has no aggregate separated, excreting water phenomenon, ensure that concrete construction quality.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is buffer structure schematic diagram of the invention；
In figure: the vertical flow cartridge of 1-, the oblique DC tube of 2-, 3- rigid snubber connector, 4- hopper, 5- swivel bearing, 6- rotation
Sub-feed tube, 7- pedestal, 8- pour material distributing flat, 9- synovial membrane frame, the main hole of 10- diversion, 11- concrete mixing and transporting car, 12- pressure regulation
Well fore shaft lining concrete, 13- buffer, 131- feed end, 132- discharge end, 133- buffer pocket, 134- buffer substrate tablet, 14- by
Funnel, 15- rotary distributing device, 16- surge shaft, 17- hoist engine, 171- wirerope, 172- movable pulley.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings of the specification, it should be noted that implementation of the invention is unlimited
In the following embodiments and the accompanying drawings.
It should be noted that "upper" here, "lower", "left", "right", "front", "rear" are only to facilitate describe this hair
Bright and definition exemplary direction, as shown in Figure 1, side direction is "upper" on paper, direction is "lower", paper left side on the downside of paper
Direction is " left side ", and paper right direction is " right side ", and paper rear direction is " rear ", and direction is " preceding ", paper or so on front side of paper
Direction is " transverse direction ", and paper front-rear direction is " longitudinal direction ".Certainly those skilled in the art understand on the basis of the present invention, can also
Define the directions such as "upper", "lower", "left", "right", "front", "rear" in other ways, equally fall into protection scope of the present invention it
It is interior.
As Figure 1-Figure 2, concreting buffering vertical slip cylinder in civil construction, including vertical flow cartridge 1, institute
Stating vertical flow cartridge 1 selects Φ 150mm seamless steel pipe and flange welding to be made, and saves long 1500mm setting in vertical direction, described to hang down
The receiving cone 14 for being equipped with and selecting thickness 0.3mm sheet metal, the production of DN120mm steel pipe is bolted at the top of direct current cylinder 1, uses
Concrete batching system, 14 bell mouth of receiving cone Φ 6mm reinforcing bar are provided to vertical flow cartridge 1 in concrete mixing and transporting car 11
Be welded 45mm × 45mm grid, can prevent in second level match ratio concrete containing greater than Φ 40mm oversize aggregate by grid into
Enter chute, and causes chute or buffer to block, and 16 well head of surge shaft is arranged in 14 funnel operating platform of receiving cone
12 top inside edge of surge shaft fore shaft lining concrete, the 14 funnel operating platform of receiving cone are equipped with high 1200mm steel knot
Structure railing, surrounding are wrapped up with safe Dense mesh screen, and railing bottom is installed with steel plate is not less than 20mm skirting board, operating platform fashioned iron
It is formed with steel form, adds canvas application of anti-leakage layers, surface layer pressurization bamboo attachment strap plays the role of leakproof, buffering；
1 lower end of vertical flow cartridge is connected with 13 feed end 131 of buffer, it is therefore an objective to control the vertical discharging of flow cartridge 1 and not block up
Plug, concrete batching system do not separate, and the buffer 21 is by feed end 131, discharge end 132, buffer pocket 133,134 groups of buffer substrate tablet
At the buffer pocket 133 is arranged in cuboid cavity structure, selects thickness 20mm steel plate to be welded, in perpendicular on the left of upper side
Histogram is in that vertical direction is welded with discharge end 132 on the right side of downside, the buffer substrate tablet 134 uses to feed end 131 is welded with
Thick 20mm, 16Mn high-strength steel is welded in 133 cavity of buffer pocket corresponding with feed end 131 in 45 ° of inclination angle, the feed end
131, discharge end 132 selects Φ 150mm seamless steel pipe respectively with 133 solder design of buffer pocket, and end is respectively arranged with flange；
13 discharge end 132 of buffer is connected with second to the 5th section of vertical flow cartridge 1, buffer 13 in turn, wherein the
Five section buffers, 13 lower end is connected with 3 feed end of rigid snubber connector in bending-like structure, and the rigid snubber connector 3 uses
Buffer weld seam or bolt rigid connection, and during vertical chute 1 is not promoted and rotary distributing device 5 individually rises,
Vertical chute 1 and oblique perfectly straight pipe 2 can the fixed end integrally around the vertical chute 1 of 15 top first segment of surge shaft rotate, it is ensured that delivery system
The entirety that process is slipped under system concrete is unimpeded；
Each vertical 1 tube coupling central part of chute respectively symmetrically one group of Φ of solder design, 6 reinforcing bar earrings, it is described vertical
One group of 16 wirerope of Φ is configured in 1 installation process of chute, and it is possible to prevent from slipping self weight and vertical impact in transmission process under concrete
Caused flange or bolt are destroyed and are damaged；
3 discharge end of rigid snubber connector is connected in angularly disposed oblique DC tube 2, oblique 2 lower end of DC tube
It is inserted into hopper 4, the oblique DC tube 2 is using Φ 150mm seamless steel pipe concrete batching system in vertical chute 1 to pressure regulation
The rotary distributing device 15 at well center is fed；
The rotary distributing device 15 by hopper 4, swivel bearing 5, rotation sub-feed tube 6, pedestal 7, pour material distributing flat 8
Composition, the hopper 4 are cut using 0.3mm steel plate, are made up of solder design, and the setting of hopper 4 is mounted on pedestal 7
Swivel bearing 5 on, the swivel bearing 5 can be rotated around 360 ° of 7 axis of pedestal, facilitate rotation sub-feed tube 6 for 360 ° of weeks
To sub-material；
For the rotation sub-feed tube 6 using Φ 150mm seamless steel pipe and 4 solder design of hopper, rotation 6 inclination angle of sub-feed tube is big
In 34 °, the pedestal 7 is fixedly connected on by weld seam using Φ 250mm steel pipe and pours 8 center of material distributing flat, pedestal 7
Height is arranged by its height of the pitch angle control of rotation sub-feed tube 6；
The material distributing flat 8 that pours is formed using fashioned iron, bamboo attachment strap, and is arranged and is fixed on sliding formwork frame 9, it is ensured that with sliding formwork
Frame 9 rises overally, and surface layer spreads canvas sealing, prevents the sundries such as aggregate, tool, steel bar end, welding slag from falling and causes under it
The injury of main 10 construction personnel of hole of the diversion of side；
5t low speed winch 17 is installed, wirerope 171 passes through surge shaft portal frame on the right side of 16 well head of surge shaft
The upper perfectly straight pipe 2 of 172 lifting inclined of movable pulley, the vertical chute 1 promote it using 8t truck crane and respectively save vertical chute 1.
Further, present invention installation is as follows:
16 shaft mouth operating benchs of surge shaft → operating platform railing, sealing facilities, skirting board → center hoist engine 17 → pour
Build material distributing flat 8 → vertical chute 1+ buffer 13 assemble → 13 liftings of vertical chute 1+ buffer → well head receiving cone 14 →
Oblique perfectly straight 2 installations of pipe+13 installations of buffer → rotary distributing device 5；
Equipment is installed, the entire present invention is installed as lifting equipment using the tower crane+8t truck crane of 16 well head of surge shaft arrangement
Chute；And using 14 funnel operating platform of surge shaft well head receiving cone and material distributing flat 8 is poured as the assembling of slip cylinder
Platform reduces high-altitude installation exercise workload to the greatest extent, reduces falling from high altitude risk.
Further, the operation of slip cylinder of the present invention is as follows:
Slip cylinder of the present invention is promoted:
With rising overally for sliding formwork frame 9, vertical chute 1 and oblique 2 entirety of perfectly straight pipe are vertically slipped at 16 well head of surge shaft
The fixed end of cylinder 1 turns to extreme position angle, when oblique perfectly straight pipe 2 cannot be normally fed to rotation hopper 4, it is necessary to promote this hair
Bright slip cylinder.Lifting step is as follows:
1) stop blanking, oblique perfectly straight 2 certain altitude of pipe of 17 pre-lift of center hoist engine；
2) 16 well head receiving cone 4 of surge shaft is dismantled；
3) first segment tube coupling at the vertical most top of chute 1 is tied up with flexible wire ropes system in 16 well head of surge shaft, with 8t truck crane
Vertical chute 1 is promoted, the flange that a tube coupling is connected with next tube coupling at most top is made to expose operating platform；
4) the vertical chute 1 promoted is reinforced, dismantles the bolt of exposure tube coupling, removal is removed tube coupling, then installs well
Mouth receiving cone 4；
5) center hoist engine 17 is adjusted, enables oblique perfectly straight pipe 2 to pouring 8 center hopper of material distributing flat, 4 normal feed；
6) well head receiving cone 14 is installed, the transport of concrete vertical transport is restored.
7) rotation sub-material is lifted and is rotated sub-feed tube 6 by 2 operators, allowed to around 360 ° of circumferential directions of rotation center
Rotation, can be assigned to concrete batching system any position of slipform lining.
Slip cylinder maintenance of the present invention:
During the used in vertical transportation of concrete interrupted by sliding formwork frame 9 or slip cylinder of the present invention promotion, it is necessary to clearly
Water rinses the vertical transport transportation system of slip cylinder of the present invention well, makes sewage that lift surface be discharged, to prevent water mud
It hardens and agglomerates and blocking pipeline in pipe.
Slip cylinder design feature of the present invention and comprehensive benefit
1) slip cylinder of the present invention is arranged in surge shaft impedance hole or more, any construction channel of vacant tunnel and sky
Between, good execution conditions are created for the section lining cutting of surge shaft hole and pit shaft slipform lining synchronous construction.
2) chute system characteristics of compact layout, structure is simple, and compared with concrete pump transport, it is as follows to save cost:
1. concrete pump mechanical stage student contributions pooled to pay for class activities；
2. the expense for all round victory scaffold set up for support concrete pumping pipe road liter；
3. the labour cost of high-altitude installation concrete pumping pipeline；
4. the cost of labor that concrete pump cloth needs.
3) smoothness is slipped under concrete, slip cylinder of the present invention is changed by the encryption of 4 aggregate oversize grid of well head receiving cone
It makes, avoids the generation of plugging phenomenon, 9 process of surge shaft sliding formwork frame is smooth；
4) speed of sliding formwork frame 9, the successful application of vertical chute 1 and its rotary distributing device 15, ensure that lining shaft
The sliding speed of concrete, maximal velocity 3.6m/d, average rate of climb 2.8m/d.
The embodiment is to be illustrated the present invention, and is not intended to limit the present invention.Anyone skilled in the art
Without departing from the spirit and scope of the present invention, it modifies to the embodiment, therefore rights protection model of the invention
It encloses, should be as listed in the claims of the present invention.
Claims (2)
1. concreting buffering vertical slip cylinder in civil construction, including vertical flow cartridge, which is characterized in that
It is connected and installed with receiving cone at the top of the vertical flow cartridge, the vertical flow cartridge lower end is connected with buffer feed end, institute
It states buffer discharge end and is connected with second to the 5th section of vertical flow cartridge, buffer in turn, wherein the 5th section buffer lower end connects
There is rigid snubber connector feed end, the rigid snubber connector discharge end is connected with oblique DC tube, and the oblique DC tube lower end is inserted
Enter in hopper；On the swivel bearing that the hopper setting is mounted on the base, the swivel bearing can be around base center axis
360 ° of rotations；Sub-feed tube and hopper solder design are rotated, the rotation sub-feed tube inclination angle is greater than 34 °, and the pedestal is fixed to be connected
It connects and is pouring material distributing flat center, substructure height is arranged by its height of the pitch angle control of rotation sub-feed tube；It is described to pour
Material distributing flat setting is fixed on sliding formwork frame；Hoist engine is installed, wirerope passes through surge shaft gantry on the right side of surge shaft well head
The perfectly straight pipe of movable pulley lifting inclined on frame.
2. concreting buffering vertical slip cylinder in civil construction according to claim 1, which is characterized in that
It is welded with feed end on the left of the buffer pocket upper side, discharge end is welded on the right side of downside, buffer substrate tablet is in 45 ° of inclination angle
Be welded in buffer pocket cavity corresponding with feed end, the feed end, discharge end respectively with buffer pocket solder design, end
Portion is respectively arranged with flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810749734.8A CN109025306A (en) | 2018-07-10 | 2018-07-10 | Concreting buffering vertical slip cylinder in civil construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810749734.8A CN109025306A (en) | 2018-07-10 | 2018-07-10 | Concreting buffering vertical slip cylinder in civil construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109025306A true CN109025306A (en) | 2018-12-18 |
Family
ID=64640738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810749734.8A Pending CN109025306A (en) | 2018-07-10 | 2018-07-10 | Concreting buffering vertical slip cylinder in civil construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025306A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142425A (en) * | 2022-08-19 | 2022-10-04 | 中电建十一局工程有限公司 | Material conveying device for downward vertical conveying of concrete and using method |
-
2018
- 2018-07-10 CN CN201810749734.8A patent/CN109025306A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142425A (en) * | 2022-08-19 | 2022-10-04 | 中电建十一局工程有限公司 | Material conveying device for downward vertical conveying of concrete and using method |
| CN115142425B (en) * | 2022-08-19 | 2024-03-12 | 中电建十一局工程有限公司 | Material conveying device for downward and vertical concrete conveying and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101832049B (en) | Concrete-structured conjoined cylindrical shell construction device and method therefor | |
| CN203145473U (en) | Concrete pouring distributing device | |
| CN106677787A (en) | Vertical shaft restoration and reinforcement structure and restoration and reinforcement construction method | |
| CN207513158U (en) | Concrete stack shell constructing device | |
| CN108756890A (en) | A kind of sliding mode system being in the milk for vertical shaft concreting and rock mass | |
| CN102562146A (en) | Construction gap filling method and device for shield through air pushing section | |
| CN106223978B (en) | Whole downstriker metal form construction coal bunker construction technology | |
| CN104213711B (en) | Highrise building ground pump pump line is long apart from hanging and swinging concrete construction technique | |
| CN206874291U (en) | One kind two serves as a contrast chute and enters modular system by window | |
| CN217105096U (en) | Deep well support wall concrete pouring and distributing system | |
| CN109025306A (en) | Concreting buffering vertical slip cylinder in civil construction | |
| CN109184783A (en) | A kind of main chute reinforced construction method | |
| CN202753283U (en) | Movable concrete stirring device | |
| CN205935691U (en) | Storehouse face concrete placement system | |
| CN208650086U (en) | A kind of movable type streetlamp foundation | |
| CN209469875U (en) | A kind of concrete pump pipe bending place support device | |
| CN207072028U (en) | Small-sized mixing station with enhanced feature | |
| CN202882929U (en) | Vertical shaft mortar distributing system | |
| CN109595028A (en) | A kind of vertical baiting method of concrete transportation | |
| CN106321116B (en) | A kind of tunnel is dug and the construction method of lining concrete parallel operations | |
| CN107130603A (en) | It is a kind of to refute the construction method that assembling boom pours concrete waterborne using idle side | |
| CN205242407U (en) | A cluster pipe, chute combination system for deep basal pit concrete placement | |
| CN212272293U (en) | Filling slurry preparation system | |
| CN212197587U (en) | Concrete suspension tank for water conservancy construction | |
| CN110714438B (en) | Long-distance concrete pouring construction method for high pile wharf |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181218 |