CN114227870A - Prefabricated T roof beam movable mould board system - Google Patents
Prefabricated T roof beam movable mould board system Download PDFInfo
- Publication number
- CN114227870A CN114227870A CN202111457861.9A CN202111457861A CN114227870A CN 114227870 A CN114227870 A CN 114227870A CN 202111457861 A CN202111457861 A CN 202111457861A CN 114227870 A CN114227870 A CN 114227870A
- Authority
- CN
- China
- Prior art keywords
- formwork
- prefabricated
- plate
- template
- vertical
- 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
- 238000009415 formwork Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010835 comparative analysis Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0055—Mould pallets; Mould panels
Abstract
The invention relates to a prefabricated T-beam movable formwork system which comprises a building foundation, a transport groove arranged on the building foundation, a transport platform arranged in the transport groove in a sliding mode and movable formwork half-shapes arranged on the upper surface of the building foundation and located on two sides of the transport groove respectively. The invention saves manpower and equipment and is beneficial to adjustment and maintenance.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a prefabricated T-beam movable formwork system.
Background
A beam bridge with a bearing structure formed by combining an upper flange and a beam rib of reinforced concrete is called a T-shaped beam bridge, and is named due to the fact that the section shape of a main beam is like an English letter T.
The conventional T-shaped beam prefabricating method mainly comprises the operation steps of bottom die installation, steel bar binding, bottom hanging web steel bars, pipe penetration, template installation, bridge deck steel bar binding, concrete pouring, maintenance and the like. The whole construction process needs a great deal of manpower and equipment.
Chinese patent CN211333771U and chinese patent CN110409284A both propose new construction methods or construction devices, which, although they use mechanized operations and release a lot of manpower, still have problems such as consuming a lot of hoisting equipment.
Disclosure of Invention
The invention aims to provide a prefabricated T-beam movable formwork system which saves labor and equipment and is beneficial to adjustment and maintenance.
The invention adopts the following technical scheme:
the utility model provides a prefabricated T roof beam movable mould board system, its includes building foundation, sets up the transportation groove on building foundation, slides the transportation platform that sets up in the transportation groove and sets up the half type of movable mould board that just is located the transportation groove both sides respectively at building foundation upper surface.
The movable formwork half type comprises a half formwork, a plurality of formwork supports, a first horizontal telescopic rod and a first vertical telescopic rod, wherein the formwork supports are uniformly and parallelly arranged on the back side of the half formwork along the length direction of the half formwork; the tail end of the outer loop bar of the first horizontal telescopic rod rotates to be provided with a vertical supporting rod, and the bottom ends of the first vertical telescopic rod and the vertical supporting rod are fixedly connected with a building foundation.
The conveying platform comprises a conveying plate, a supporting platform arranged on the conveying plate and a template bottom plate arranged at the top of the supporting platform, and the template bottom plate and the two half-mould plates are spliced to form a T-beam pouring template groove; and the bottom of the conveying plate is provided with a conveying rail wheel.
The template support comprises a first vertical rod, a trapezoidal frame arranged on one side of the first vertical rod and a second vertical rod arranged at the bottom of the trapezoidal frame; the second vertical rod is parallel to the first vertical rod and is fixedly connected with the first horizontal rod.
The half template comprises a trapezoidal frame and a half template, wherein the trapezoidal frame is matched with the profile of the back side of the half template, and the back side of the half template is fixedly connected with the trapezoidal frame through a plurality of angle steels which are arranged in parallel along the length direction of the half template.
The second vertical rod is fixedly connected with the back side of the half template through an angle steel.
The side walls of the conveying plate are provided with a plurality of positioning grooves, a plurality of positioning holes corresponding to the positioning grooves are formed in the side walls of the conveying plate, and second horizontal telescopic rods are arranged in the positioning grooves.
The half-mold plate comprises a plurality of first vertical rods, a half-mold plate and a walking plate, wherein the walking plate is arranged along the length direction of the half-mold plate and is fixedly connected with the outer sides of the plurality of first vertical rods; the lower extreme of walking board be provided with first montant fixed connection's enhancement down tube, the outer end of walking board is provided with the bounding wall.
Wherein, the top of first montant is provided with the fixed orifices.
The two sides of the supporting table are provided with abdicating inclined planes, the lower end of the half template is provided with a bottom platform matched with the abdicating inclined planes, and a bottom plate end plate coplanar with the template bottom plate is arranged on the bottom platform.
The invention has the beneficial effects that: the movable formwork half-mould and the transportation platform can move, and pouring and maintenance after pouring are convenient to carry out. The movable template can realize horizontal movement and can be turned over at a certain angle, so that the used half template can be conveniently cleaned. The whole system can realize automatic control, can greatly reduce manpower and auxiliary equipment, and has high operation efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of part a of fig. 1.
Fig. 3 is a schematic view of the structure of part B in fig. 1.
Fig. 4 is a schematic view of the working state of the present invention.
Wherein, 1 building foundation, 2 transport grooves, 3 half templates, 4 first horizontal telescopic rod, 5 first vertical telescopic rod, 6 vertical support rods, 7 transport plates, 8 brace tables, 9 template bottom plates, 10 transport rail wheels, 11 first montants, 12 trapezoidal frames, 13 second montants, 14 first horizontal poles, 15 angle steel, 16 constant head tanks, 17 locating holes, 18 second horizontal telescopic rod, 19 walking boards, 20 strengthen the down tube, 21 bounding wall, 22 fixed orifices, 23 abdication inclined plane, 24 sill tables, 25 bottom plate end plates.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
In addition, the terms "first", "second", and the like are used for limiting the components, are only used for convenience of distinguishing the corresponding components, and have no special meaning if not stated otherwise, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1
As shown in fig. 1 to 4, a prefabricated T-beam movable formwork system includes a building foundation 1, a transportation groove 2 provided on the building foundation 1, a transportation platform slidably provided in the transportation groove 2, and movable formwork half-forms provided on an upper surface of the building foundation 1 and respectively located at both sides of the transportation groove 2. The movable formwork half-type and the transportation platform can be moved, and pouring and maintenance after pouring are convenient to carry out.
The movable template half comprises a half template 3, a plurality of template supports which are uniformly and parallelly arranged on the back side of the half template 3 along the length direction of the half template 3, a first horizontal telescopic rod 4 fixedly connected with the template supports, and a first vertical telescopic rod 5 which is vertically arranged on the upper surface of the building foundation 1 and is rotatably connected with an outer sleeve rod of the first horizontal telescopic rod 4; the tail end of the outer loop bar of the first horizontal telescopic rod 4 rotates and is provided with a vertical support rod 6, and the bottom ends of the first vertical telescopic rod 5 and the vertical support rod 6 are fixedly connected with the building foundation 1. The first horizontal telescopic rod can be arranged on each template support, and can also be arranged at intervals of a plurality of template supports, so that the cost is reduced, and the control is convenient. Every first horizontal telescopic link and first vertical telescopic link can adopt PLC control, realize a plurality of equipment synchro-operation. And the first horizontal telescopic rod and the first vertical telescopic rod both adopt hydraulic jacks.
Half type of movable mould board can carry out horizontal migration under first horizontal telescopic link's drive, for pouring fashioned T roof beam and give way the shift position, and transportation platform moves along the conveyer trough, and then drives the T roof beam and remove, but conveyer trough lug connection maintenance station to transport the T roof beam to the maintenance station and carry out the maintenance. Vertical support rod and first telescopic link cooperate, can be with the half type jack-up certain angle of movable mould board, conveniently carry out cleaning to the half template after the use.
The transportation platform comprises a transportation plate 7, a support table 8 arranged on the transportation plate 7 and a template bottom plate 9 arranged on the top of the support table 8, and the template bottom plate 9 and the two half templates 3 are spliced to form a T-shaped beam pouring template groove; the bottom of the transport plate 7 is provided with transport rail wheels 10.
The template support comprises a first vertical rod 11, a trapezoidal frame 12 arranged on one side of the first vertical rod 11 and a second vertical rod 13 arranged at the bottom of the trapezoidal frame 12; the second vertical bar 13 is parallel to the first vertical bar 11 and is fixedly connected with the first horizontal bar 14. The trapezoidal frame 12 is matched with the profile of the back side of the half mould plate 3, and the back side of the half mould plate 3 is fixedly connected with the trapezoidal frame 12 through a plurality of angle steels 15 which are arranged in parallel along the length direction of the half mould plate 3. The template support is used for fixing and driving the half template to move, and the shape of the trapezoid frame is matched with the outer contour of the half template and is stably and fixedly connected through a plurality of angle steels.
The second vertical rod 13 is fixedly connected with the back side of the half mould plate 3 through an angle steel 15. The top end of the first vertical rod 11 is provided with a fixing hole 22. The second vertical rod is fixed with the bottom of the half template, connected with the first vertical rod through the first cross rod, and connected with the bottom of the half template through the reinforced template support. When pouring, exert pressure through first horizontal telescopic link to the template support, guarantee the fixed of half template, the fixed orifices on first montant top can use the dead lever of certain length to be connected fixedly with the fixed orifices of opposite side, guarantee to reach standard size between two half templates, improve the yield, also can exert the pulling force at the top simultaneously, and then guarantee the shaping of pouring of upper end.
Example 2
The difference from the embodiment 1 is that two side walls of the transportation groove 2 are provided with a plurality of positioning grooves 16, the side wall of the transportation plate 7 is provided with a plurality of positioning holes 17 corresponding to the positioning grooves 16, and the positioning grooves 16 are internally provided with second horizontal telescopic rods 18. The horizontal telescopic link of second can realize fixing the transportation platform through flexible inserting locating hole, prevents to pour the removal of in-process transportation platform, simultaneously, can add corresponding discernment label in the locating hole, carries out automatic positioning to the position of transportation platform, does benefit to and realizes automatic control.
Example 3
The difference is that the half-mould plate is similar to the embodiment 2, and the half-mould plate further comprises a walking plate 19 arranged along the length direction of the half-mould plate 3, wherein the walking plate 19 is fixedly connected with the outer sides of the first vertical rods 11 respectively; the lower end of the walking plate 19 is provided with a reinforced oblique rod 20 fixedly connected with the first vertical rod 11, and the outer end of the walking plate 19 is provided with a coaming 21. The operator may walk on the footplate to observe or control the casting.
Example 4
With embodiment 3, the difference is only that the two sides of the supporting platform 8 are provided with abdicating inclined planes 23, the lower end of the half formwork 3 is provided with a bottom platform 24 matched with the abdicating inclined planes 23, and the bottom platform 24 is provided with a bottom plate end plate 25 coplanar with the formwork bottom plate 9. The bottom plate and the end plate of the template can jointly form a pouring bottom surface of the T beam, and bottom sealing is more convenient.
At present, the technical scheme of the invention has been subjected to a pilot plant test, namely a small-scale test of the product before large-scale mass production; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of products for formal production for industrialization (including intellectual property risk early warning research) has been started. And (4) carrying out economic benefit measurement and calculation on the pilot plant test, wherein the results are as follows.
(1) The construction efficiency is improved by 25 percent. According to 1 cycle calculation of installing and detaching each precast beam template, the installing and detaching of the conventional template needs 12 hours, the system of the invention is adopted, the construction is completed in 3 hours, and the hydraulic jack is adopted to adjust the structural size of the template, so that the structural size of the precast T beam is effectively ensured, and the calculation formula is as follows: (1/3-1/12) × 100 ═ 25%.
(2) The economic benefit is considerable, and through the comparative analysis with the conventional template, the calculation of each beam is as follows: saving 0.5 of template transportation machine shift (1800 yuan/shift), saving 2 workers (300 yuan/shift), and saving cost by adopting hydraulic template construction for each beam: the cost can be saved by 1500 × 606 to 90.9 ten thousand yuan, when 0.5 × 1800+2 × 300 to 1500 yuan and Jingde high speed ZT7 standard 4 hydraulic template production lines are prefabricated together with 606 pieces of T beam.
(2) The economic benefit is considerable, and through the comparative analysis with the conventional template, the calculation of each beam is as follows: saving 0.5 of template transportation machine shift (1800 yuan/shift), saving 2 workers (300 yuan/shift), and saving cost by adopting hydraulic template construction for each beam: the cost can be saved by 1500 × 606 to 90.9 ten thousand yuan, when 0.5 × 1800+2 × 300 to 1500 yuan and Jingde high speed ZT7 standard 4 hydraulic template production lines are prefabricated together with 606 pieces of T beam.
Claims (9)
1. A prefabricated T-beam movable formwork system is characterized by comprising a building foundation (1), a transport groove (2) arranged on the building foundation (1), a transport platform arranged in the transport groove (2) in a sliding manner, and movable formwork half-shapes arranged on the upper surface of the building foundation (1) and respectively positioned on two sides of the transport groove (2);
the movable template half comprises a half template (3), a plurality of template supports which are uniformly and parallelly arranged on the back side of the half template (3) along the length direction of the half template (3), a first horizontal telescopic rod (4) fixedly connected with the template supports, and a first vertical telescopic rod (5) which is vertically arranged on the upper surface of the building foundation (1) and is rotatably connected with an outer sleeve rod of the first horizontal telescopic rod (4); the tail end of the outer sleeve rod of the first horizontal telescopic rod (4) is rotatably provided with a vertical supporting rod (6), and the bottom ends of the first vertical telescopic rod (5) and the vertical supporting rod (6) are fixedly connected with a building foundation (1).
2. The prefabricated T-beam movable formwork system according to claim 1, wherein the transportation platform comprises a transportation plate (7), a supporting platform (8) arranged on the transportation plate (7), and a formwork bottom plate (9) arranged on the top of the supporting platform (8), and the formwork bottom plate (9) is spliced with the two half formworks (3) to form a T-beam pouring formwork groove; and a conveying track wheel (10) is arranged at the bottom of the conveying plate (7).
3. A prefabricated T-beam moving formwork system as claimed in claim 1, wherein the formwork support comprises a first vertical bar (11), a ladder frame (12) provided at one side of the first vertical bar (11), and a second vertical bar (13) provided at the bottom of the ladder frame (12); the second vertical rod (13) and the first vertical rod (11) are arranged in parallel and are fixedly connected through a first cross rod (14).
4. A prefabricated T-beam moving formwork system according to claim 3, characterized in that the trapezoidal frame (12) is matched with the profile of the back side of the half formwork (3), and the back side of the half formwork (3) is fixedly connected with the trapezoidal frame (12) through a plurality of angle steels (15) which are arranged in parallel along the length direction of the half formwork (3).
5. A prefabricated T-beam moving formwork system according to claim 4, characterized in that said second vertical bar (13) is fixedly connected to the back side of the half formwork (3) by angle steel (15).
6. A prefabricated T-beam moving formwork system according to claim 2, wherein a plurality of positioning grooves (16) are formed on two side walls of the transport trough (2), a plurality of positioning holes (17) corresponding to the positioning grooves (16) are formed on the side walls of the transport plate (7), and second horizontal telescopic rods (18) are arranged in the positioning grooves (16).
7. The prefabricated T-beam movable formwork system according to claim 3, further comprising a walking plate (19) arranged along the length direction of the half formwork (3), wherein the walking plate (19) is fixedly connected with the outer sides of the first vertical rods (11) respectively; the lower extreme of walking board (19) be provided with first montant (11) fixed connection's enhancement down tube (20), the outer end of walking board (19) is provided with bounding wall (21).
8. A prefabricated T-beam moving die plate system according to claim 3, characterized in that the top end of the first vertical rod (11) is provided with a fixing hole (22).
9. The prefabricated T-beam movable formwork system according to claim 2, wherein abdicating inclined planes (23) are arranged on two sides of the supporting platform (8), a bottom platform (24) matched with the abdicating inclined planes (23) is arranged at the lower end of the half formwork (3), and a bottom plate end plate (25) coplanar with the formwork bottom plate (9) is arranged on the bottom platform (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457861.9A CN114227870A (en) | 2021-12-02 | 2021-12-02 | Prefabricated T roof beam movable mould board system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457861.9A CN114227870A (en) | 2021-12-02 | 2021-12-02 | Prefabricated T roof beam movable mould board system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114227870A true CN114227870A (en) | 2022-03-25 |
Family
ID=80752724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111457861.9A Pending CN114227870A (en) | 2021-12-02 | 2021-12-02 | Prefabricated T roof beam movable mould board system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114227870A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017166160A1 (en) * | 2016-03-31 | 2017-10-05 | 中交第二航务工程局有限公司 | Short-line match-casting-based precast template system for girder bridge having composite structure and corrugated steel webs |
| CN109808054A (en) * | 2019-01-31 | 2019-05-28 | 中铁四局集团第二工程有限公司 | A kind of straight line PC track girder precast construction method |
| CN209868939U (en) * | 2019-01-31 | 2019-12-31 | 中铁四局集团第二工程有限公司 | Movable formwork system for linear PC track beam prefabrication construction |
| CN111702948A (en) * | 2020-07-15 | 2020-09-25 | 安徽省路港工程有限责任公司 | Pouring system and pouring method for automatic prefabricated T beam |
| CN211806822U (en) * | 2020-03-02 | 2020-10-30 | 河北东风世景模板有限公司 | Movable pedestal template system for precast beam and construction field area thereof |
-
2021
- 2021-12-02 CN CN202111457861.9A patent/CN114227870A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017166160A1 (en) * | 2016-03-31 | 2017-10-05 | 中交第二航务工程局有限公司 | Short-line match-casting-based precast template system for girder bridge having composite structure and corrugated steel webs |
| CN109808054A (en) * | 2019-01-31 | 2019-05-28 | 中铁四局集团第二工程有限公司 | A kind of straight line PC track girder precast construction method |
| CN209868939U (en) * | 2019-01-31 | 2019-12-31 | 中铁四局集团第二工程有限公司 | Movable formwork system for linear PC track beam prefabrication construction |
| CN211806822U (en) * | 2020-03-02 | 2020-10-30 | 河北东风世景模板有限公司 | Movable pedestal template system for precast beam and construction field area thereof |
| CN111702948A (en) * | 2020-07-15 | 2020-09-25 | 安徽省路港工程有限责任公司 | Pouring system and pouring method for automatic prefabricated T beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103967050A (en) | Construction system of subway station | |
| CN110145341A (en) | A kind of gang form system for circular tunnel concreting | |
| CN104453951B (en) | Combined type subway station lining template trolley for baffle | |
| CN110682416A (en) | Template system for prefabricating comprehensive pipe gallery and construction method thereof | |
| CN212336714U (en) | Self-propelled truss supporting template | |
| CN210151779U (en) | Municipal administration utility tunnel hydraulic template platform truck | |
| CN209635759U (en) | A kind of reinforcing bar cage hoisting machine | |
| CN114227870A (en) | Prefabricated T roof beam movable mould board system | |
| CN201554468U (en) | Traveling type hydraulic steel form carrier | |
| CN110924323A (en) | Culvert template trolley | |
| CN217327341U (en) | Self-propelled long-span variable cross-section hydraulic formwork trolley | |
| CN108005684B (en) | Separated steel mould trolley and construction method thereof | |
| CN115418983A (en) | Construction method for prefabricated box culvert in highway-railway combined large-section shield tunnel | |
| CN112942107B (en) | Hydraulic creeping formwork construction process in cable tower construction process | |
| CN113618897A (en) | Evaporate and press air entrainment building block board to insert borer, pull out borer system | |
| CN211735125U (en) | Culvert template trolley device | |
| CN206785405U (en) | One kind is used for tunnel groove constructing device | |
| CN207047893U (en) | Concreting moves integrally mould bases | |
| CN215758551U (en) | Device is pour to affiliated three walls of movable bridge floor | |
| CN110883920A (en) | Prefabricated T roof beam self-propelled hydraulic pressure template device and template system | |
| CN115094836B (en) | Grooving machine and grooving method | |
| CN216765987U (en) | Comprehensive pipe gallery trolley slip form supporting system | |
| CN218759927U (en) | Large-scale diplopore box culvert self-propelled combination platform truck | |
| CN214520877U (en) | Novel hydraulic control construction template structure | |
| CN115781910B (en) | Early-dismantling type platform model system of assembled concrete canopy plate and construction method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220325 |
|
| RJ01 | Rejection of invention patent application after publication |