CN206551171U - A kind of floorings prefab-form system - Google Patents
A kind of floorings prefab-form system Download PDFInfo
- Publication number
- CN206551171U CN206551171U CN201720027577.0U CN201720027577U CN206551171U CN 206551171 U CN206551171 U CN 206551171U CN 201720027577 U CN201720027577 U CN 201720027577U CN 206551171 U CN206551171 U CN 206551171U
- Authority
- CN
- China
- Prior art keywords
- module
- stuck
- support
- mobile
- floorings
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of floorings prefab-form system, belong to building field, the utility model includes template assembly and bracket assembly, template assembly is arranged at the top of bracket assembly, wherein, template assembly is by side form, hold mould and bed die composition, bed die is the segmentation structure that stuck-module and mobile module are constituted, stuck-module includes stuck-module I and stuck-module II, mobile module includes mobile module I, mobile module II and mobile module III, bracket assembly includes fixed base and mobile support, stuck-module I and stuck-module II may be contained within fixed base；Mobile module I, mobile module II and mobile module III may be contained within moving on support.The disengaging of the present utility model for being mainly used for realizing floorings and bed die, solves the problems, such as possible caused floorings discontinuity equalization during lifting machine lifting so that pre-manufactured product quality meets production requirement, improves production efficiency, production cost is greatly lowered.
Description
Technical field
The utility model belongs to building field, more specifically to a kind of floorings prefab-form system.
Background technology
At present, during the prefabricated construction of floorings, more using fixed bed die, therefore, in order to meet production efficiency
Demand, existing floorings it is prefabricated, typically all realize the uninterrupted of prefabricated work using many jacket stationary type bed dies, cause
Production cost is higher, most importantly, because prefabricated construction is different from cast-in-place construction, and the floorings after prefabricated construction need to enter
Row lifting, and the size of floorings is larger in steel plate combination beam, thinner thickness so that due to several steel wire ropes during lifting
Length is different, and causes floorings to depart from bed die moment single-point stress, causes floorings discontinuity equalization, crackle or damage occurs
Bad, floorings are of poor quality, it is impossible to meet production requirement.Therefore, prefabricated low, the cost that using fixed bed die there is efficiency of floorings
Height, the shortcomings of Prefabricated quality is unstable.
Pass through patent retrieval, Chinese Patent Application No.：2010201782925, authorized announcement date is：December 15 in 2010
Day, invention and created name is：Portable T beams and work beam forms system, this application case disclose a kind of portable T beams and work beam form
Plate system, belongs to building field.Template system in this application case, including it is enclosed in beams of concrete both sides to be cast and bottom
Left side template assembly, right side template assembly and bed die assembly, bed die assembly are fixed on the axis of base frame, and the both sides of base frame are each
Being covered with the rail of two and base frame axis parallel, the rail of the left and right sides that mobile link respectively has can be along track travel
Left and right walking assembly, is mounted with left and right side template assembly respectively thereon, leads between left side template assembly and right side template assembly
Cross and pull bar is connected, oil cylinder is mounted on left and right walking assembly.Template system in this application case by a set of side form back and forth
The mobile samsara on multiple base frames is constructed and uses hydraulic power system, is greatly improved operating efficiency, reduces labor intensity, contracting
The short construction period simultaneously reduces floor space, saves hanging device.This application case is widely used in the pre- of concrete T-shaped beam and work beam
In system construction.But this application case is disadvantageous in that：Template system in this application case is only applicable to the pre- of T beams and work beam
System, it is impossible to be used in floorings it is prefabricated, meanwhile, the traveling shuttering system in this application case can only realize the movement of side form, difficult
To solve the problems, such as that floorings are in the discontinuity equalization present in lifting moment in the utility model.
Utility model content
1. the utility model technical problem to be solved
The purpose of this utility model is to overcome in the prior art due to using fixed bed die so that the template number of configuration
Amount is more, and production cost is high, and during lifting may caused by the deficiency such as Prefabricated quality is unstable there is provided a kind of floorings are pre-
Pallet system, using the technical solution of the utility model, by the way that fixed bed die is made into Mobile lifting bed die, can be achieved
The disengaging of floorings and bed die, effectively solves the problems, such as possible caused floorings discontinuity equalization during lifting machine lifting,
So that pre-manufactured product quality meets production requirement, meanwhile, production efficiency can be improved, production cost is greatly lowered.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the utility model is provided is：
A kind of floorings prefab-form system of the present utility model, including template assembly and bracket assembly, described template
Assembly is arranged at the top of bracket assembly, wherein, described template assembly by bed die, be vertically set on bed die both sides side form and
The end mould composition at bed die two ends is vertically set on, described bed die is the segmentation structure that stuck-module and mobile module are constituted,
Wherein, described stuck-module includes stuck-module I and stuck-module II, stuck-module I and stuck-module II structure phase
Together, and stuck-module I and stuck-module II are symmetricly set in floorings prefab-form system, described mobile module includes
Mobile module I, mobile module II and mobile module III, wherein, described mobile module I is identical with mobile module III structures,
And mobile module I and mobile module III are symmetricly set in mobile module II two ends, above-mentioned stuck-module I is arranged at shifting
It is dynamic between module I and mobile module II, and stuck-module I both ends of the surface end respectively with mobile module I and mobile module II
Face is coincided, and above-mentioned stuck-module II is arranged between mobile module II and mobile module III, and the two of stuck-module II
End face of the end face respectively with mobile module II and mobile module III coincides；
Described bracket assembly includes fixed base and mobile support, wherein, described fixed base includes support pier, institute
The lower surface for stating support pier is fixed on ground, and the upper surface of the support pier is provided with Two bors d's oeuveres channel-section steel, and described Two bors d's oeuveres channel-section steel is
Two opposite U-steels of opening are spliced, and above-mentioned stuck-module I and stuck-module II may be contained within the fixed base
On Two bors d's oeuveres channel-section steel；
Described mobile support includes the support net constituted that interlocked by horizontal shaped steel, oblique shaped steel and longitudinal shaped steel, described
The support bar III placed vertically is symmetrically arranged with below support net, support bar III is removably fixed on ground, described
Two bors d's oeuveres channel-section steel is also equipped with above support net, the support bar I placed vertically, the branch are symmetrically arranged with below the Two bors d's oeuveres channel-section steel
Strut I is arranged at the both sides of support net, and support bar I is removably fixed on ground, described support bar I and support bar
III is telescopically adjustable lifting structure, and above-mentioned mobile module I, mobile module II and mobile module III may be contained within the shifting
On Two bors d's oeuveres channel-section steel on dynamic support；
Described support is additionally provided with roller on the net, and roller suspension is fixed on support on the net, and is set below the roller
The sliding rail for sliding with rolling wheels is equipped with, the sliding rail is fixed on ground.
Further improved as the utility model, the floorings prefab-form system is integrated symmetric formula structure.
Further improved as the utility model, the two ends of the stuck-module I and stuck-module II are solid by screw mandrel
Due on support pier.
Further improve, be provided between the Two bors d's oeuveres channel-section steel on described support pier and fixed base as the utility model
Leveling steel plate.
Further improved as the utility model, support bar II is provided with the Two bors d's oeuveres channel-section steel on the mobile support, should
Support bar II is removably fixed on support pier, and support bar II is obliquely installed.
Further improved as the utility model, the angle of inclination of the support bar II is 9 degree.
Further improved as the utility model, described mobile support is connected with haulage gear.
3. beneficial effect
The technical scheme provided using the utility model, compared with prior art, is had the advantages that：
（1）A kind of floorings prefab-form system of the present utility model, by the way that fixed bed die is made into Mobile lifting
Bed die, can be achieved the disengaging of floorings and bed die, floorings stress caused by effective solution lifting machine is possible during lifting by crane
Unbalanced problem so that pre-manufactured product quality meets production requirement, meanwhile, production efficiency can be improved, is greatly lowered and is produced into
This.
（2）A kind of floorings prefab-form system of the present utility model, by the way that bed die is made into segmentation structure, Ke Yiyou
The loading capacity of the mobile support of effect reduction, most importantly：After being separated in view of bed die with floorings, floorings need support
Point, therefore, segmentation structure is made by bed die, the strong point required for floorings can be realized by stuck-module, i.e., with shifting
The decline of dynamic model block, floorings are supported on stuck-module, realize the separation of floorings and mobile module, the floorings after separation
It need to be lifted by crane, although the size of floorings is larger in steel plate combination beam, thinner thickness, and several steel wire ropes during lifting
Length be also difficult to it is identical, but because the floorings after separation are supported on stuck-module so that floorings depart from
Mobile module moment is no longer single-point stress, i.e., be no longer the contact of point between lifting moment floorings and stuck-module, but
The contact in face, is effectively improved the stress equalization problem of floorings, and be located at the deck structrue intensity at stuck-module relatively
Height, can further improve floorings quality, meet production requirement.
（3）A kind of floorings prefab-form system of the present utility model, it is moved is provided with the Two bors d's oeuveres channel-section steel on support
Support bar II, support bar II is removably fixed on support pier, and support bar II is obliquely installed, support bar II inclination
Angle is 9 degree.It is to further improve movement that support bar II7 and the support bar II7 angle, which are set, in the utility model
The support strength of support, improves the service life of mobile support.
Brief description of the drawings
The use state structural representation of bed die and bracket assembly when Fig. 1 is the utility model jackshaft panel forming；
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.
Label declaration in schematic diagram：
1st, mobile module I；2nd, stuck-module I；3rd, mobile module II；4th, stuck-module II；5th, mobile module III；6th, prop up
Strut I；7th, support bar II；8th, support bar III；9th, roller；10th, sliding rail；11st, support pier；12nd, screw mandrel；13rd, leveling steel
Plate.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1 and Fig. 2, a kind of floorings prefab-form system of the present embodiment, as shown in figure 1, the floorings are prefabricated
Template system is integrated symmetric formula structure.
The floorings prefab-form system includes template assembly and bracket assembly, and the template assembly is arranged at bracket assembly
Top, wherein, template assembly is by bed die, the end module that is vertically set on the side form of bed die both sides and is vertically set on bed die two ends
Into, it is necessary to which what is illustrated is：Side form and end mould are fixed on bed die by detachable apparatus.
As shown in figure 1, bed die is the segmentation structure that stuck-module and mobile module are constituted, wherein, stuck-module includes
Stuck-module I2 and stuck-module II4, stuck-module I2 are identical with stuck-module II4 structure, and stuck-module I2 and
Stuck-module II4 is symmetricly set in floorings prefab-form system.Stuck-module I2 and stuck-module II4 in the present embodiment
Two ends are fixed on support pier 11 by screw mandrel 12, when preventing lifting floorings, absorption masterpiece of the stuck-module in floorings
Under, also it is lifted, therefore effect of the setting with anti-absorption affinity of the screw mandrel 12, effectively prevent stuck-module to be lifted.
As shown in figure 1, mobile module includes mobile module I1, mobile module II3 and mobile module III5, wherein, it is mobile
Module I 1 is identical with mobile module III5 structures, and mobile module I1 and mobile module III5 are symmetricly set in mobile module
II3 two ends, stuck-module I2 is arranged between mobile module I1 and mobile module II3, and stuck-module I2 both ends of the surface
The end face with mobile module I1 and mobile module II3 coincides respectively, and stuck-module II4 is arranged at mobile module II3 and movement
Between module ii I5, and stuck-module II4 both ends of the surface are mutually overlapping with mobile module II3 and mobile module III5 end face respectively
Close.It should be noted that：Successively order by mobile module I1, stuck-module I2, mobile module II3, stuck-module II4 and shifting
Dynamic model block III5 is spliced to form bed die, and the shape of the bed die is determined by prefabricated profiled floorings polycrystalline substance.
The utility model can effectively reduce the load-carrying of mobile support by the way that bed die is made into above-mentioned this segmentation structure
Amount, most importantly：After being separated in view of bed die with floorings, floorings need the strong point, therefore, and bed die is made into segmentation
Formula structure, can realize the strong point required for floorings by stuck-module, i.e., with the decline of mobile module, floorings support
In the separation on stuck-module, realizing floorings and mobile module, the floorings after separation need to be lifted by crane, although steel plate combination
The size of floorings is larger in beam, thinner thickness, and lifting during several steel wire ropes length be also difficult to it is identical,
But because the floorings after separation are supported on stuck-module so that floorings depart from mobile module moment be no longer single-point by
Power, i.e., be no longer the contact of point between lifting moment floorings and stuck-module, but the contact in face, is effectively improved floorings
Stress equalization problem, and the deck structrue intensity at stuck-module is of a relatively high, can further improve floorings matter
Amount, meets production requirement.
As shown in figure 1, bracket assembly includes fixed base and mobile support, wherein, fixed base includes support pier 11, should
The lower surface of support pier 11 is fixed on ground, and the upper surface of the support pier 11 is provided with Two bors d's oeuveres channel-section steel, and the Two bors d's oeuveres channel-section steel is two
The opposite U-steel of individual opening is spliced, and stuck-module I2 and stuck-module II4 may be contained within the Two bors d's oeuveres on the fixed base
On channel-section steel.Leveling steel plate 13 is provided between Two bors d's oeuveres channel-section steel in the present embodiment on support pier 11 and fixed base, the leveling steel
The thickness of plate 13 is 20mm, and the setting of leveling steel plate 13 is can to reach required level height to adjust stuck-module,
Avoid the upper surface for causing stuck-module because the upper surface of support pier 11 is uneven not in same level height, reduce floorings
Prefabricated quality.
As shown in figure 1, mobile support includes the support net constituted that interlocked by horizontal shaped steel, oblique shaped steel and longitudinal shaped steel,
The support bar III8 placed vertically is symmetrically arranged with below the support net, support bar III8 is removably fixed on ground,
Two bors d's oeuveres channel-section steel, i.e. the Two bors d's oeuveres channel-section steel are also equipped with above the support net and is also spliced for two opposite U-steels of opening,
The support bar I6 placed vertically is symmetrically arranged with below the Two bors d's oeuveres channel-section steel, support bar I6 is arranged at the both sides of support net, and
Support bar I6 is removably fixed on ground, and support bar I6 and support bar III8 are telescopically adjustable lifting structure, can
The lifting structure of telescopic adjustment is adjustable screw rod.Mobile module I1, mobile module II3 and mobile module III5 may be contained within
On Two bors d's oeuveres channel-section steel on the movement support.Support bar II7 is additionally provided with Two bors d's oeuveres channel-section steel in the present embodiment on mobile support, should
Support bar II7 is removably fixed on support pier 11, and support bar II7 is obliquely installed, and support bar II7 angle of inclination is
9 degree.It is to further improve the branch of mobile support that support bar II7 and the support bar II7 angle, which are set, in the present embodiment
Intensity is supportted, the service life of mobile support is improved.
The support is additionally provided with roller 9 on the net, and the roller 9 suspension is fixed on support on the net, and the lower section of the roller 9 is set
There is the sliding rail 10 slided for roller 9, the sliding rail 10 is fixed on ground.Regulation of the support net in support bar III8
Under, highly it is gradually reduced, until the online roller 9 of support is fallen on sliding rail 10 so that roller 9 can be along sliding rail
10 slide onto the prefabricated place of production of next floorings.
Mobile support is connected with haulage gear in the present embodiment so that after mobile module is separated with floorings, mobile module
, as mobile support is moved to the prefabricated place of production of next floorings, existing bridge floor can be overcome in the presence of haulage gear
The prefabricated of plate is all the uninterrupted problem for being realized using many jacket stationary type bed dies prefabricated work, therefore fixed bed die is made
Mobile lifting bed die, can effectively improve production efficiency, reduce production cost.
The Specific construction process of the floorings prefab-form system is：After floorings are pre-formed, first, by end mould and side
Mould is disassembled from bed die, then support bar II7 is disassembled from support pier 11, is then adjusted in synchronism support bar I6 and branch
Strut III8, makes mobile module decline together with mobile support, because stuck-module can prevent floorings from following mobile mould
Block does descending motion so that floorings can be kept completely separate with mobile module, then by support bar I6 and support bar III8 on ground
On fixing point remove, finally by haulage gear, mobile module is moved to next floorings together with mobile support
The prefabricated place of production；First, support bar I6 and support bar III8 are fixed on ground, resynchronisation regulation support bar I6 and support bar
III8 so that the end face of mobile module and the stuck-module end face in the prefabricated place of production are coincided, then support bar II7 is fixed on into this
On the support pier 11 in the prefabricated place of production, finally, end mould and side form are fixed on bed die by detachable apparatus, floorings are carried out pre-
System construction, repeats above step, realizes the uninterrupted of prefabricated work, production efficiency is high, and at utmost reduces production cost.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (7)
1. a kind of floorings prefab-form system, including template assembly and bracket assembly, described template assembly are arranged at support
The top of assembly, wherein, described template assembly by bed die, be vertically set on the side form of bed die both sides and be vertically set on bed die
The end mould composition at two ends, it is characterised in that：Described bed die is the segmentation structure that stuck-module and mobile module are constituted, its
In, described stuck-module includes stuck-module I（2）With stuck-module II（4）, stuck-module I（2）With stuck-module II
（4）Structure it is identical, and stuck-module I（2）With stuck-module II（4）It is symmetricly set in floorings prefab-form system,
Described mobile module includes mobile module I（1）, mobile module II（3）With mobile module III（5）, wherein, described movement
Module I（1）With mobile module III（5）Structure is identical, and mobile module I（1）With mobile module III（5）It is symmetricly set in shifting
Dynamic module ii（3）Two ends, above-mentioned stuck-module I（2）It is arranged at mobile module I（1）With mobile module II（3）Between, and
Stuck-module I（2）Both ends of the surface respectively with mobile module I（1）With mobile module II（3）End face coincide, above-mentioned consolidates
Determine module ii（4）It is arranged at mobile module II（3）With mobile module III（5）Between, and stuck-module II（4）Both ends of the surface
Respectively with mobile module II（3）With mobile module III（5）End face coincide；
Described bracket assembly includes fixed base and mobile support, wherein, described fixed base includes support pier（11）, institute
State support pier（11）Lower surface be fixed on ground, the support pier（11）Upper surface be provided with Two bors d's oeuveres channel-section steel, described is double
It is that two opposite U-steels of opening are spliced to spell channel-section steel, above-mentioned stuck-module I（2）With stuck-module II（4）It may be contained within
On Two bors d's oeuveres channel-section steel on the fixed base；
Described mobile support includes interlocked by horizontal shaped steel, oblique shaped steel and longitudinal shaped steel the support net constituted, the support
The support bar III placed vertically is symmetrically arranged with below net（8）, support bar III（8）It is removably fixed on ground, institute
State and Two bors d's oeuveres channel-section steel is also equipped with above support net, the support bar I placed vertically is symmetrically arranged with below the Two bors d's oeuveres channel-section steel
（6）, support bar I（6）It is arranged at the both sides of support net, and support bar I（6）It is removably fixed on ground, described branch
Strut I（6）With support bar III（8）It is telescopically adjustable lifting structure, above-mentioned mobile module I（1）, mobile module II（3）
With mobile module III（5）It may be contained within the Two bors d's oeuveres channel-section steel on the movement support；
Described support is additionally provided with roller on the net（9）, the roller（9）Suspension is fixed on support on the net, and the roller（9）Under
Side, which is provided with, supplies roller（9）The sliding rail slided（10）, the sliding rail（10）It is fixed on ground.
2. a kind of floorings prefab-form system according to claim 1, it is characterised in that：The floorings prefab-form system
Unite as integrated symmetric formula structure.
3. a kind of floorings prefab-form system according to claim 1, it is characterised in that：The stuck-module I（2）With
Stuck-module II（4）Two ends pass through screw mandrel（12）It is fixed on support pier（11）On.
4. a kind of floorings prefab-form system according to claim 1, it is characterised in that：Described support pier（11）With
Leveling steel plate is provided between Two bors d's oeuveres channel-section steel on fixed base（13）.
5. a kind of floorings prefab-form system according to claim 1, it is characterised in that：It is double on the mobile support
Spell and be provided with support bar II on channel-section steel（7）, support bar II（7）It is removably fixed in support pier（11）On, and support bar II
（7）It is obliquely installed.
6. a kind of floorings prefab-form system according to claim 1, it is characterised in that：The support bar II（7）'s
Angle of inclination is 9 degree.
7. a kind of floorings prefab-form system according to claim 1, it is characterised in that：Described mobile support is with leading
Draw mechanism to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027577.0U CN206551171U (en) | 2017-01-11 | 2017-01-11 | A kind of floorings prefab-form system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027577.0U CN206551171U (en) | 2017-01-11 | 2017-01-11 | A kind of floorings prefab-form system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206551171U true CN206551171U (en) | 2017-10-13 |
Family
ID=60359589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720027577.0U Active CN206551171U (en) | 2017-01-11 | 2017-01-11 | A kind of floorings prefab-form system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206551171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541489A (en) * | 2017-01-11 | 2017-03-29 | 中交二航局第四工程有限公司安徽分公司 | A kind of floorings prefab-form system |
-
2017
- 2017-01-11 CN CN201720027577.0U patent/CN206551171U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541489A (en) * | 2017-01-11 | 2017-03-29 | 中交二航局第四工程有限公司安徽分公司 | A kind of floorings prefab-form system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105736016B (en) | Tunnel double-lining framework of steel reinforcement construction equipment and its application | |
| CN107059640B (en) | Bridge girder erection machine for prefabricated segmental beam span-by-span construction and construction method thereof | |
| CN106089253B (en) | A kind of all-hydraulic template system poured for culvert | |
| CN102367651B (en) | U-shaped concrete beam bridge girder erection machine | |
| CN106541489A (en) | A kind of floorings prefab-form system | |
| CN209408814U (en) | A kind of PC track beam form system | |
| CN106593469A (en) | Trolley for construction of inverted arch | |
| CN206800212U (en) | The Bridge Erector constructed by cross for precast segmental beam | |
| CN208995928U (en) | A kind of multi-functional erection crane suitable for composite beam construction | |
| CN205936645U (en) | A full liquid die plate system for culvert is pour | |
| CN206551171U (en) | A kind of floorings prefab-form system | |
| CN112030777B (en) | Descending movable formwork support bracket crossing type transfer construction method | |
| CN111365029A (en) | Concrete grouting method based on variable-section adjustable lining trolley | |
| CN217078420U (en) | Linear girder steel self-propelled installation device that slides of adjustable bridge | |
| CN214993219U (en) | Concrete placement platform truck is contained to apron | |
| CN210766433U (en) | Trapezoidal hanging basket structure | |
| CN210975880U (en) | Adjustable open cut tunnel is hydraulic pressure platform truck by oneself | |
| CN108118621A (en) | For the large tonnage movable scaffolding system of combined highway and metro | |
| CN210256628U (en) | Self-adaptive outer mold system for prefabricating concrete | |
| CN108457677B (en) | Automatic operation vehicle for integrated ditch cable trough template | |
| CN207331472U (en) | Cross bearer combined steel plate beam bridge panel cast-in-place construction sliding form frame system | |
| CN206800211U (en) | Constructed by cross for precast segmental beam the main frame structure of Bridge Erector | |
| CN206205904U (en) | Coal mine inclined shaft working face construction formwork device | |
| CN106276033B (en) | A kind of process units of steel pipe self-emptying lubrication | |
| CN220013391U (en) | Bridge flange plate post-pouring section construction template trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |