CN204729105U - A kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft - Google Patents
A kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft Download PDFInfo
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- CN204729105U CN204729105U CN201520495216.XU CN201520495216U CN204729105U CN 204729105 U CN204729105 U CN 204729105U CN 201520495216 U CN201520495216 U CN 201520495216U CN 204729105 U CN204729105 U CN 204729105U
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- inclined shaft
- sliding
- chassis
- concreting
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Abstract
The utility model discloses a kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft.Comprise chassis and concreting sliding formwork, sliding formwork comprises abutment wall and crown, ditch, ground sliding formwork and ground and to mark time group mould; Abutment wall and crown and ditch, ground sliding formwork connect into entirety with inclined shaft cross-sectional horizontal contour shape, longitudinally move towards to extend along inclined shaft and arrange, and are connected and fixed with chassis steel structures coating; Tethered sliding system comprises by ball-type jack, climb bar and traction base many groups of the form draw-gears along the laying of inclined shaft cross-sectional profiles interval.The utility model provides a kind of monolithic sliding-mode trolley, and this chassis drives overall sliding formwork stable mobile in gateway opening type inclined shaft; And whole slip and ditch, concreting of marking time can be carried out simultaneously, sliding-mode trolley of the present utility model reduces the security risk adopting trailer system, construction framed bent etc. to bring, and easy accessibility, construction technology is simple, quality controllable.
Description
Technical field
The utility model belongs to construction work technical field of concrete construction, particularly relates to Hydraulic and Hydro-Power Engineering technical field of concrete construction, particularly a kind of sliding-mode trolley structure for the concreting of gateway opening type inclined shaft.
Background technology
Concrete construction is often applied in construction work.Conventional inclined shaft sliding angle is generally 60 degree to 90 degree, and section mostly is regular circle, ellipse or rectangle.For gateway opening type inclined shaft, its complex structure, generally include the polymorphic structures such as ditch, ground, general all adopt full hall scaffold to join combined steel formwork to build and conventional steel mould trolley is built, the domestic precedent that there is no 45 degree of inclined shaft gateway opening type sliding mode designs and construction at present, increase the labyrinths such as inclined shaft base plate is elongatedly marked time, both sides gutter simultaneously, to the design of inclined shaft sliding, run and propose higher requirement.
The Hoisting System of conventional inclined shaft (60 degree ~ 90 degree, inclination angle) sliding-mode trolley forms primarily of inclined shaft upper bend section anchor cable, elongated steel strand, track, punching jack and hydraulic system.Central sill crossbeam before sliding-mode trolley safety clamper is fixed on hydraulic jack holds power structure as sliding formwork traction, inclined shaft upper bend section anchor cable is trailer system fixed end force structure, steel strand, through jack, control the flexible drive sliding-mode trolley of jack along the walking of steel strand lead along track by Hydraulic Station.
Summary of the invention
The utility model discloses a kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft according to the deficiencies in the prior art.Problem to be solved in the utility model is to provide a kind of monolithic sliding-mode trolley of polymorphic structure, and this chassis is used for the concreting of gateway opening type inclined shaft, and this chassis also has and drives overall special-shaped sliding formwork to stablize the drives structure of movement in gateway opening type inclined shaft.
The utility model is achieved through the following technical solutions:
For the sliding-mode trolley of gateway opening type inclined shaft concreting, be included in the chassis of movement on inclined shaft earth station Car Track and the concreting sliding formwork of chassis support, it is characterized in that:
Described chassis comprises chassis steel structures coating, chassis shape walking system, chassis tethered sliding system;
Described concreting sliding formwork comprises inclined shaft abutment wall and crown sliding formwork, inclined shaft ground ditch sliding formwork and inclined shaft ground and to mark time group mould.
Further described abutment wall and crown sliding formwork and ditch, ground sliding formwork connect into entirety with inclined shaft cross-sectional horizontal contour shape, longitudinally move towards to extend along inclined shaft and arrange, and are connected and fixed by support and connection beam and chassis steel structures coating.
Further described chassis tethered sliding system comprises by ball-type jack, climb bar and many groups draw-gear of forming of traction base, and each draw-gear is laid along inclined shaft cross-sectional profiles interval; Consolidation in bar one end Transducers Embedded in Concrete that climbs of each draw-gear, the other end lays along the extension of concreting direction; The traction base of each draw-gear is corresponding to be fixed on chassis steel structures coating and to be connected with bar traction drive of climbing by ball-type jack.
Further described traction base is made up of the tie-beam be connected and fixed with chassis steel structures coating and jack fixed platform, and jack fixed platform has through hole, and the bar that climbs moves under ball-type jack traction drive through through hole.
Above-mentioned inclined shaft ground mark time group mould comprise many groups perpendicular to horizontal plane arrange templates of marking time, many groups of templates of marking time are fixed on movable stand by tie-beam, movable stand is along template rail moving, template track is arranged in the horizontal direction and bottom the chassis steel structures coating be fixed on, the positioning supports having one end to be fixed on bottom chassis steel structures coating outside template of marking time regulates diagonal brace.
Be fixed on movable stand by tie-beam again after the above-mentioned template back surface of marking time perpendicular to horizontal plane setting has waling to reinforce.
Above-mentioned chassis shape walking system comprises the trolley track that is arranged at inclined shaft ground and to be arranged on bottom chassis steel structures coating and along the roller of trolley track movement.
Above-mentioned chassis steel structures coating by becoming spatial lattice structure, the girder steel that is interconnected and fixed forms.
Above-mentioned chassis steel structures coating comprises successively by arranging upward below inclined shaft, being fixed in chassis network and horizontally disposed modification platform, operating platform, reinforcement construction platform and protective platform.
Above-mentioned concrete casting sliding is made up of the reinforcing steel beam of panel, back side of panel and the reinforcing steel beam of slab joint place, the reinforcing waling of sliding formwork panel tip placement, and reinforcing steel beam is connected and fixed by support and connection beam and chassis steel structures coating.
The tractive force that the whole slip of the utility model sliding-mode trolley mainly relies on ball-type jack to provide chassis to climb by hydraulic system, be drive the draw-gear of power to install along gateway opening cross-sectional horizontal profiled spaces 90cm ~ 100cm with jack, jack supports the use with the bar that climbs, consolidation in the Transducers Embedded in Concrete of bar bottom of climbing is fixed, to climb as chassis the support of tractive force, the bar that climbs can adopt GB Φ 48 × 3.5mm steel pipe, the bar that climbs lays along concreting direction is elongated, and adjacent two bars that climb adopt and are welded to connect.Hydraulic climbing system relies on base and connects channel-section steel and is connected with chassis main framing.
The utility model chassis is by the elongated track travel of inclined shaft ground base plate.
The ditch slip-form template of the utility model sliding-mode trolley adopts panel to be fixed the form of waling and side and roof arch sliding formwork panel links into an integrated entity.
The utility model has the following advantages compared with traditional gateway opening concrete lining of inclined shaft:
1, use the slding form operation duration of the present utility model short, easy construction;
2, decrease setting up of the necessary bearing bent frame of side-top arch concrete lining cutting, and load-bearing concrete is built and etc. the strong time, saved the duration;
3, decrease to adopt needed for steel form carrier construction and carried out the work items of chassis end head formwork, and load-bearing concrete is built and etc. the strong time, saved the duration;
4, adopt that sliding formwork whole slip carries out gutter way, concrete building of marking time, saved the construction cost carrying out separately this part-structure construction greatly.
5, reduce the waste of conventional sliding formwork traction anchor cable construction and steel strand, greatly save construction cost.
6, adopt sliding-mode trolley structure of the present utility model to construct, greatly can reduce the security risk adopting trailer system, construction framed bent etc. to bring, easy accessibility, construction technology is simple, quality controllable.
Accompanying drawing explanation
Fig. 1 is the utility model sliding-mode trolley vertical section structure position view in inclined shaft;
Fig. 2 is that the utility model sliding-mode trolley comprises the vertical section structure schematic diagram of template state at inclined shaft;
Fig. 3 is that the utility model sliding-mode trolley horizontally tracting in inclined shaft moves cross-sectional structure position view;
Fig. 4 is the utility model draw-gear structural representation;
Fig. 5 is the utility model draw-gear base plane structural representation;
Fig. 6 is that the utility model sliding-mode trolley horizontal slip-form in inclined shaft supports cross-sectional structure position view;
Fig. 7 marks time group mode structure schematic diagram in the utility model inclined shaft ground.
In figure, 1 is protective platform, 2 is reinforcement construction platforms, 3 is operating platforms, 4 is modify platform, 5 is inclined shaft ground, 6 is draw-gears, 61 is traction bases, 62 is the bars that climb, 63 is ball-type jack, 7 is group moulds of marking time, 71 is templates of marking time, 72 is walings of marking time, 73 is tie-beams of marking time, 74 is movable stands, 75 is template tracks, 76 is regulate diagonal brace, 8 is chassis steel structures coating, 9 is chassis shape walking systems, 91 is trolley tracks, 10 is sliding formworks, 101 is side wall slip forms, 102 is ditch sliding formworks, 103 is support and connection beams, 104 is crown sliding formworks.
Detailed description of the invention
Below by embodiment, the utility model is specifically described; embodiment is only for being further detailed the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to above-mentioned content of the present utility model and adjustment also belong to the scope of the utility model protection.
Composition graphs 1 to Fig. 7.
As shown in the figure, for the sliding-mode trolley of gateway opening type inclined shaft concreting, be included in the chassis of movement on inclined shaft earth station Car Track 91 and the concreting sliding formwork 10 of chassis support, chassis comprises chassis steel structures coating 8, chassis shape walking system 9, chassis tethered sliding system;
Concreting sliding formwork 10 comprises inclined shaft side wall slip form 101 and crown sliding formwork 104, ditch, inclined shaft ground sliding formwork 102 and inclined shaft ground and to mark time group mould 7.
Side wall slip form 101 and crown sliding formwork 104 and ditch, ground sliding formwork 102 connect into entirety with inclined shaft cross-sectional horizontal contour shape, longitudinally move towardss to extend along inclined shaft and arrange, and are connected and fixed by support and connection beam 103 and chassis steel structures coating 8.
Chassis tethered sliding system comprises by ball-type jack 63, climb bar 62 and many groups draw-gear 6 of forming of traction base 61, and each draw-gear 6 is laid along inclined shaft cross-sectional profiles interval; Consolidation in bar 62 one end Transducers Embedded in Concrete that climbs of each draw-gear 6, the other end lays along the extension of concreting direction; The traction base 61 of each draw-gear 6 is corresponding to be fixed on chassis steel structures coating 8 and to be connected with bar 62 traction drive of climbing by ball-type jack 63.
Traction base 61 is made up of the connection girder steel be connected and fixed with chassis steel structures coating 8 and jack fixed platform, and jack fixed platform has through hole, and the bar 62 that climbs moves under ball-type jack 63 traction drive through through hole.
Inclined shaft ground mark time group mould 7 comprise many groups perpendicular to horizontal plane arrange templates 71 of marking time, many groups of templates 71 of marking time are fixed on movable stand 74 by tie-beam 73 of marking time, movable stand 74 moves along template track 75, template track 75 is arranged in the horizontal direction and bottom the chassis steel structures coating 8 be fixed on, the positioning supports having one end to be fixed on bottom chassis steel structures coating 8 outside template of marking time 71 regulates diagonal brace 76.
Marked time after waling 72 is reinforced and be fixed on movable stand 74 by tie-beam 73 again in template 71 back side of marking time perpendicular to horizontal plane setting.
Chassis shape walking system 9 comprises the trolley track 91 that arranges inclined shaft ground and to be arranged on bottom chassis steel structures coating 8 and along the roller of trolley track movement.
Chassis steel structures coating 8 by becoming spatial lattice structure, the girder steel that is interconnected and fixed forms.
Chassis steel structures coating 8 comprises successively by arranging upward below inclined shaft, being fixed in chassis network and horizontally disposed modification platform 4, operating platform 3, reinforcement construction platform 2 and protective platform 1.
Concrete casting sliding 10 is made up of the reinforcing steel beam of panel, back side of panel and the reinforcing steel beam of slab joint place, the reinforcing waling of sliding formwork panel tip placement, and reinforcing steel beam is connected and fixed by support and connection beam 103 and chassis steel structures coating 8.
As depicted in figs. 1 and 2, Fig. 1 is the utility model sliding-mode trolley vertical section structure position view in inclined shaft; Fig. 2 is that the utility model sliding-mode trolley comprises the vertical section structure schematic diagram of template state at inclined shaft; Inclined shaft design inclination 45 degree in figure, inclined shaft ground 5 is designed with marks time, and marking time by marking time, mould 7 is shaping builds for group, and group of marking time in figure mould 7 is as shown in circle, and further enlarged diagram as shown in Figure 7.In order to simplicity of illustration, in figure chassis steel structures coating 8 emphasis illustrate main steel frame structure and its bottom running gear 9, main steel frame structure is connected to form primarily of the girder steel of spatial lattice structure, the girder steel that also add oblique increases stability further, running gear 9 usually arranges and organizes roller more bottom chassis steel structures coating 8, be set to four groups in this figure, move along two parallel trolley tracks 91 respectively.Chassis steel structures coating 8 is at inclined shaft medium dip tethered sliding.With chassis steel structures coating 8 for supporting, many group platforms are horizontally disposed with, modify platform 4, operating platform 3, reinforcement construction platform 2 and protective platform 1 from the bottom to top, modify platform 4 for reinforcement of concrete defect, operating platform 3 is for fixed form, concreting operation, reinforcement construction platform 2 is for installing reinforcing bar, and protective platform 1 comes off injure constructor for preventing inclined shaft top from loosening stone; As shown in Figure 2, in figure, sliding formwork 10 is indicated, sliding formwork 10 is arranged in operating platform 3 relevant position, sliding formwork 10 horizontal arrangement in Fig. 2, and sliding formwork 10 comprises inclined shaft side wall slip form 101, crown sliding formwork 104, ditch, inclined shaft ground sliding formwork 102 also to connect for entirety moves with chassis.Chassis tethered sliding system is that many group draw-gears 6 are laid along inclined shaft cross-sectional profiles interval, illustrates the draw-gear 6 of top, inclined shaft hole and inclined shaft ground configuration in figure.
Fig. 3 is that the utility model sliding-mode trolley horizontally tracting in inclined shaft moves cross-sectional structure position view; In figure, the plane structure that chassis steel structures coating 8 is formed for grid girder steel, inclined shaft side wall slip form 101, crown sliding formwork 104, ditch, inclined shaft ground sliding formwork 102 connect for overall at cross section.Draw-gear 6 is laid along inclined shaft cross-sectional profiles interval, and the utility model adopts interval 90cm ~ 100cm to install draw-gear 6, and can make chassis steel structures coating 8 each portion uniform force, tethered sliding is more stable.In Fig. 3, inclined shaft ground 5 is also provided with trolley track 91.
Fig. 4 is the utility model draw-gear structural representation; Fig. 5 is the utility model draw-gear base plane structural representation.The tractive force that the whole slip of this sliding-mode trolley of the utility model mainly relies on ball-type jack 63 to provide chassis to climb by hydraulic system, draw-gear 6 is laid along inclined shaft cross-sectional profiles interval, spacing 90cm ~ 100cm, in draw-gear 6, ball-type jack 63 supports the use with the bar 62 that climbs, climb in the Transducers Embedded in Concrete of bar 62 bottom, to climb as chassis the support of tractive force, the bar 62 that climbs can adopt GB Φ 48 × 3.5mm steel pipe, the bar 62 that climbs lays along concreting direction is elongated, and adjacent two bars 62 that climb adopt and are welded to connect.Hydraulic climbing system relies on traction base 61 to be connected with chassis steel structures coating 8, and chassis is walked by trolley track 91.
The ball-type jack 63 of draw-gear 6 is fixed on the platform of traction base 61, and ball-type jack 63 adopts bolt to be connected with the platform of traction base 61, and the connection girder steel that has of traction base 61 is connected with chassis steel structures coating 8.The bar 62 that climbs is installed on ball-type jack 63 and traction base 61, and consolidation in the Transducers Embedded in Concrete of one end, controls the sliding direction of chassis.
Fig. 6 is that the utility model sliding-mode trolley horizontal slip-form in inclined shaft supports cross-sectional structure position view; In figure, inclined shaft side wall slip form 101, crown sliding formwork 104, ditch, inclined shaft ground sliding formwork 102 connect for overall at cross section, and are connected and fixed with chassis steel structures coating 8 by spaced support and connection beam 103.Draw-gear 6 in Fig. 3 and the support and connection beam 103 in Fig. 6, in the longitudinal layout that misplaces of inclined shaft, are positioned at varying cross-section.
Fig. 7 marks time group mode structure schematic diagram in the utility model inclined shaft ground.Inclined shaft ground mark time group mould 7 comprise many groups perpendicular to horizontal plane arrange templates 71 of marking time, in this figure be two groups, template of respectively marking time 71 is fixed on movable stand 74 by tie-beam 73 of marking time, movable stand 74 moves along template track 75, template track 75 is arranged in the horizontal direction and bottom the chassis steel structures coating 8 be fixed on, the positioning supports having one end to be fixed on bottom chassis steel structures coating 8 outside template of marking time 71 regulates diagonal brace 76.In order to strengthen the intensity of template 71 of marking time, reducing distortion, reinforcing be fixed on movable stand 74 by tie-beam 73 again at template 71 back side setting of marking time arranged perpendicular to horizontal plane waling 72 of marking time.Support and regulate diagonal brace 76 can adopt oil cylinder or adjustable bolt, by driving oil cylinder or swivel bolt to extend or shrinking support bar during use, adjustment both can have been facilitated to mark time template 71 state, also can to mark time template 71 by supporting & stablizing.During overall use, group of marking time mould 7 is by template track 75 telescopic moving, group of marking time before concreting mould 7 runs to design casting position, diagonal brace 76 is regulated fixedly to mark time template 71, mark time until base plate and built and removed group mould 7 of marking time after there is some strength, group of marking time mould 7 is passed to sliding-mode trolley, and walks forward with chassis is overall, to reach simultaneously sliding requirement simultaneously.
Adopt the utility model equipment to carry out construction to comprise the following steps:
A, first position the concrete construction in storehouse; before carrying out inclined shaft concrete construction; first storehouse concrete (i.e. individual layer sliding formwork length) is built in advance; and set up type steel support in this storehouse concrete base and reinforce; to provide sliding-mode trolley to carry out sliding reaction force basis, guarantee sliding can not damaging the first storehouse concrete structure.
B, formally sliding before, guarantee that first storehouse concrete strength reaches design strength substantially, the even blanking of concreting bilateral symmetry;
C, after the concrete sliding condition of side and roof arch die body, primer fluid pressure control system start chassis sliding;
D, repeat above-mentionedly to build work, until inclined shaft concreting completes after sliding putting in place.
Case history:
The long 169m of certain power station outlet hole incline shaft, excavated section 6.72m × 6.78m (wide × high), lining section 5.52m × 6.18m, gateway opening type, lining thickness 48cm, baseplate width 4.92m, thickness 30cm, respectively there is 0.3m × 0.3m gutter both sides, and ditch base plate adopts M7.5 cement mortar to put down.In addition, inclined shaft slope section base plate top is provided with the elongated tread structure of 25cm × 25cm.Construct according to original lining concrete constructure scheme, need about 8.5 months construction period, construct according to sliding formwork scheme, need 2 months, save about 6.5 months duration.
Claims (10)
1., for a sliding-mode trolley for gateway opening type inclined shaft concreting, be included in the chassis of movement on inclined shaft earth station Car Track and the concreting sliding formwork of chassis support, it is characterized in that:
Described chassis comprises chassis steel structures coating, chassis shape walking system, chassis tethered sliding system;
Described concreting sliding formwork comprises inclined shaft abutment wall and crown sliding formwork, inclined shaft ground ditch sliding formwork and inclined shaft ground and to mark time group mould.
2. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 1, it is characterized in that: described abutment wall and crown sliding formwork and ditch, ground sliding formwork connect into entirety with inclined shaft cross-sectional horizontal contour shape, longitudinally move towards to extend along inclined shaft and arrange, and are connected and fixed by support and connection beam and chassis steel structures coating.
3. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 2, it is characterized in that: described chassis tethered sliding system comprises by ball-type jack, climb bar and many groups draw-gear of forming of traction base, and each draw-gear is laid along inclined shaft cross-sectional profiles interval; Consolidation in bar one end Transducers Embedded in Concrete that climbs of each draw-gear, the other end lays along the extension of concreting direction; The traction base of each draw-gear is corresponding to be fixed on chassis steel structures coating and to be connected with bar traction drive of climbing by ball-type jack.
4. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 3, it is characterized in that: described traction base is made up of the tie-beam be connected and fixed with chassis steel structures coating and jack fixed platform, jack fixed platform has through hole, and the bar that climbs moves under ball-type jack traction drive through through hole.
5. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to any one of claim 2 to 4, it is characterized in that: described inclined shaft ground mark time group mould comprise many groups perpendicular to horizontal plane arrange templates of marking time, many groups of templates of marking time are fixed on movable stand by tie-beam, movable stand is along template rail moving, template track is arranged in the horizontal direction and bottom the chassis steel structures coating be fixed on, the positioning supports having one end to be fixed on bottom chassis steel structures coating outside template of marking time regulates diagonal brace.
6. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 5, is characterized in that: be fixed on movable stand by tie-beam after the described template back surface of marking time perpendicular to horizontal plane setting has waling to reinforce again.
7. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 5, is characterized in that: described chassis shape walking system comprises the trolley track that is arranged at inclined shaft ground and to be arranged on bottom chassis steel structures coating and along the roller of trolley track movement.
8. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 5, is characterized in that: described chassis steel structures coating by becoming spatial lattice structure, the girder steel that is interconnected and fixed forms.
9. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 8, is characterized in that: described chassis steel structures coating comprises successively by arranging upward below inclined shaft, being fixed in chassis network and horizontally disposed modification platform, operating platform, reinforcement construction platform and protective platform.
10. the sliding-mode trolley for the concreting of gateway opening type inclined shaft according to claim 5, it is characterized in that: described concrete casting sliding is made up of the reinforcing steel beam of panel, back side of panel and the reinforcing steel beam of slab joint place, the reinforcing waling of sliding formwork panel tip placement, and reinforcing steel beam is connected and fixed by support and connection beam and chassis steel structures coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495216.XU CN204729105U (en) | 2015-07-10 | 2015-07-10 | A kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495216.XU CN204729105U (en) | 2015-07-10 | 2015-07-10 | A kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729105U true CN204729105U (en) | 2015-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520495216.XU Withdrawn - After Issue CN204729105U (en) | 2015-07-10 | 2015-07-10 | A kind of sliding-mode trolley for the concreting of gateway opening type inclined shaft |
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| Country | Link |
|---|---|
| CN (1) | CN204729105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948206A (en) * | 2015-07-10 | 2015-09-30 | 中国水利水电第七工程局有限公司 | Slip form trolley for concrete casting of arched inclined shaft |
| CN112012751A (en) * | 2020-08-24 | 2020-12-01 | 中国水利水电第七工程局有限公司 | Precise excavation method for gentle slope inclined shaft |
-
2015
- 2015-07-10 CN CN201520495216.XU patent/CN204729105U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948206A (en) * | 2015-07-10 | 2015-09-30 | 中国水利水电第七工程局有限公司 | Slip form trolley for concrete casting of arched inclined shaft |
| CN104948206B (en) * | 2015-07-10 | 2017-05-10 | 中国水利水电第七工程局有限公司 | Slip form trolley for concrete casting of arched inclined shaft |
| CN112012751A (en) * | 2020-08-24 | 2020-12-01 | 中国水利水电第七工程局有限公司 | Precise excavation method for gentle slope inclined shaft |
| CN112012751B (en) * | 2020-08-24 | 2022-08-16 | 中国水利水电第七工程局有限公司 | Precise excavation method for gentle slope inclined shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20170510 |