CN207525635U - High-speed railway bridge floor shield is without gasket prefabricated construction equipment - Google Patents
High-speed railway bridge floor shield is without gasket prefabricated construction equipment Download PDFInfo
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- CN207525635U CN207525635U CN201721636380.3U CN201721636380U CN207525635U CN 207525635 U CN207525635 U CN 207525635U CN 201721636380 U CN201721636380 U CN 201721636380U CN 207525635 U CN207525635 U CN 207525635U
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- crossbeam
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- end plate
- reinforcement cage
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Abstract
The utility model discloses high-speed railway bridge floor shield without gasket prefabricated construction equipment, including welding tooling, stent and mold；Welding tooling includes steel reinforcement cage support, first crossbeam, second cross beam, the 4th crossbeam and the 5th crossbeam, steel reinforcement cage support includes vertical supporting and cross-brace, first crossbeam, second cross beam, the 4th crossbeam and the 5th crossbeam are arranged in steel reinforcement cage support, wherein, first crossbeam and second cross beam are arranged on the side of steel reinforcement cage support, 4th crossbeam and the 5th crossbeam are arranged on the opposite side of steel reinforcement cage support, and finite place piece is set on first crossbeam；The mold includes bottom plate, backboard, end plate, cover board and baffle, and backboard, first member plate and right end plate are hinged respectively with bottom plate；Cover board is arranged on end plate, and the stent includes bottom positioning plate and altitude location part, and altitude location part is fixed with bottom positioning plate.This programme can save a large amount of labour and time, and shield is high-quality, and cost is relatively low, can bring good economic benefit.
Description
Technical field
The utility model is related to a kind of high-speed railway bridge floor shield without gasket prefabricated construction equipment.
Background technology
With the fast development of China express railway, the requirement to high iron formation standard is also continuously improved, especially to height
Fast railway deck system associated satellite component, such as the manufacturing process of shield made higher requirement.Traditional shield mold
All parts are attached using bolt, bothersome strength.
Existing mold needs to set the prefabricated shield of gasket in mould inside, and the shield surface made in this way has gasket
Impression influences shape, and since the use of gasket increases construction cost.
In addition to this, the preparation of steel reinforcement cage is also a very very difficult thing, when operating personnel often spend a large amount of
Between and energy be used to prepare steel reinforcement cage.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of time saving and energy saving high-speed railway bridge floor
Shield is easy to operate without gasket prefabricated construction equipment, and shield is high-quality, good in economic efficiency.
The purpose of this utility model is achieved through the following technical solutions：High-speed railway bridge floor shield is prefabricated without gasket
Construction equipment, it includes welding tooling, stent and mold；
Welding tooling includes steel reinforcement cage support, first crossbeam, second cross beam, the 4th crossbeam and the 5th crossbeam, steel reinforcement cage branch
Support includes vertical supporting and cross-brace, and vertical supporting is connected into an entirety by cross-brace；
First crossbeam, second cross beam, the 4th crossbeam and the 5th crossbeam are arranged in steel reinforcement cage support, wherein, first crossbeam
The side of steel reinforcement cage support is arranged on second cross beam, the 4th crossbeam and the 5th crossbeam are arranged on the opposite side of steel reinforcement cage support,
Finite place piece is set on first crossbeam；
The mold includes bottom plate, backboard, end plate, cover board and baffle, and the end plate includes first member plate and right end plate；
Backboard, first member plate and right end plate are hinged respectively with bottom plate；
Baffle is bolted with first member plate, and baffle is connect by bolt with right end plate；
Cover board is arranged on end plate；
The bottom plate both ends are pasted with sealing strip, and sealing strip is posted at the backboard both ends；
The stent includes bottom positioning plate and altitude location part, and altitude location part is fixed with bottom positioning plate.
It is preferred that in spatial position, sequence from top to bottom is followed successively by second cross beam, the 4th crossbeam, the 5th
Crossbeam and first crossbeam.
It is preferred that the utility model further includes third crossbeam, wherein second cross beam, third crossbeam and the 4th crossbeam
In same level, second cross beam is up the 4th crossbeam and first crossbeam successively.
It is preferred that locating part is Y shape or V-arrangement, for limiting the position of reinforcing bar.
It is preferred that being provided with several locating parts on first crossbeam, the lower section of each locating part is in second cross beam
Corresponding position setting it is fluted；
Groove corresponding with locating part position is also equipped on the 5th crossbeam and the 4th crossbeam.
It is preferred that it is set at third crossbeam position corresponding with locating part fluted.
It is preferred that first crossbeam is detachably connected with steel reinforcement cage support.First crossbeam can be placed directly in steel reinforcement cage
In support or first crossbeam is bolted with steel reinforcement cage support.Preferably, first crossbeam is made of angle steel.
It is preferred that vertical supporting and cross-brace are detachably connected, for example it is bolted or passes through method
Blue disk connection.
It is preferred that vertical supporting and cross-brace are made of angle steel, pass through bolt between angle steel and angle steel
Connection.Altitude location part is integrally formed with bottom positioning plate or welding.
It is preferred that a stent is placed at the both ends of mold respectively, a stent include a bottom positioning plate and
Two altitude location parts, altitude location part are welded on the positioning plate of bottom.
It is preferred that the end set of bottom positioning plate has limiting section, between limiting section and bottom positioning plate middle part
Form a U-lag.
It is preferred that altitude location part is L-shaped angle steel, bottom positioning plate is plain plate, and L-shaped angle steel is welded on flat steel
On plate.
It is preferred that the end plate is L-shaped, baffle is vertically placed on the first order step of end plate and passes through spiral shell
Bolt is fixed with end plate；Cover board is placed across on the first order step of end plate and passes through bolt and fixed with end plate；After mold installation,
The top surface of end plate, backboard and baffle is on same horizontal plane.
It is preferred that entire mold is L-shaped, support plate is provided on bottom plate, is all provided in backboard, first member plate and right end plate
It is equipped with the rotation section coordinated with support plate, trepanning on rotation section, rotation section is connect with support plate by axis pin；Each rotation section with two
Support plate is used cooperatively, and rotation section is arranged between two support plates, and two support plates include the first support plate and the second support plate, and axis pin is successively
Three is connected across the first support plate, rotation section and the second support plate.
It is preferred that the trepanning of axis pin front end, after axis pin passes through support plate and rotation section, is fixed by split pin.
It is preferred that rotation section is a tablet, tablet is fixed with backboard or first member plate or right end plate；
It welds or is integrally formed with backboard in rotation section；
It welds or is integrally formed with first member plate in rotation section；
It welds or is integrally formed with right end plate in rotation section.
It is preferred that arcuate projection is provided on bottom plate.
The beneficial effects of the utility model are：The high-speed railway bridge floor shield of this programme is without gasket prefabricated construction equipment, energy
A large amount of labour and time are enough saved, and shield is high-quality, cost is relatively low, can bring good economic benefit.
Description of the drawings
One of FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the two of the utility model structure diagram；
Fig. 3 is the three of the utility model structure diagram；
Fig. 4 is the four of the utility model structure diagram；
Fig. 5 is reinforcement cage structure schematic diagram；
Fig. 6 is steel reinforcement cage partial structural diagram；
Fig. 7 is one of shield structure schematic diagram；
Fig. 8 is the two of shield structure schematic diagram；
Fig. 9 is one of structure diagram of pre-embedded steel slab；
Figure 10 is the second structural representation of pre-embedded steel slab；
Figure 11 is the structure diagram of pre-embedded bolt；
Figure 12 is the structure diagram of welding tooling；
In figure, 1- end plates, 2- sealing strips, 3- backboards, 4- embedded holes, 5- bottom plates, 6- cover boards, 7- slots, 8- shields, 9-
Built-in fitting, 9.1- pre-embedded steel slabs, 9.2- pre-embedded bolts, 10- mould supports, 11- baffles, 12- stents, 13- steel reinforcement cages, 13.1-
Jiong shape reinforcing bar, 13.2- transverse direction fixed steel bars, 13.3-6 font reinforcing bars, 13.4- longitudinal reinforcements, the support of 14- steel reinforcement cages, 15- first
Crossbeam, 16- locating parts, 17- second cross beams, 18- third crossbeams, the 4th crossbeams of 19-, the 5th crossbeams of 20-, 21- grooves.
Specific embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
Traditional high-speed railway bridge floor shield 8 as shown in Figure 7 and Figure 8, during making, by will in advance tie up or
The steel reinforcement cage 13 that person is welded is placed in mold (as shown in Figure 5 and Figure 6), refills concrete realization.Steel reinforcement cage 13 needs
A part of reinforcing bar is exposed outside, therefore steel reinforcement cage 13 includes preburying part and exposed portion, and exposed portion is U-shaped reinforcing bar.More specifically,
Steel reinforcement cage 13 includes Jiong shape reinforcing bar 13.1, lateral fixed steel bars 13.2, figure-six reinforcing bar 13.3 and longitudinal reinforcement 13.4, laterally solid
Determine reinforcing bar 13.2 and fix Jiong shape reinforcing bar 13.1, figure-six reinforcing bar 13.3 and longitudinal reinforcement 13.4 respectively.
As shown in Fig. 1~Fig. 4 and Figure 12, for high-speed railway bridge floor shield 8 without gasket prefabricated construction equipment, it includes welding
Tooling, stent 12 and mold；
Welding tooling includes steel reinforcement cage support 14, first crossbeam 15, second cross beam 17, the 4th crossbeam 19 and the 5th crossbeam
20, steel reinforcement cage support 14 includes vertical supporting and cross-brace, and vertical supporting is connected into an entirety by cross-brace；
First crossbeam 15, second cross beam 17, the 4th crossbeam 19 and the 5th crossbeam 20 are arranged in steel reinforcement cage support 14,
In, first crossbeam 15 and second cross beam 17 are arranged on the side that steel reinforcement cage supports 14, and the 4th crossbeam 19 and the 5th crossbeam 20 are set
Finite place piece 16 is set on the opposite side of steel reinforcement cage support 14, first crossbeam 15；
The mold include bottom plate 5, backboard 3, end plate 1, cover board 6 and baffle 11, the end plate 1 include first member plate and
Right end plate；
Backboard 3, first member plate and right end plate are hinged with bottom plate 5 respectively；
Baffle 11 is bolted with first member plate, and baffle 11 is connect by bolt with right end plate；
Cover board 6 is arranged on end plate 1；
5 both ends of bottom plate are pasted with sealing strip 2, and sealing strip 2 is posted at 3 both ends of backboard；
The stent 12 includes bottom positioning plate and altitude location part, and altitude location part is fixed with bottom positioning plate.
Altitude location part：For limiting the height of steel reinforcement cage 13, it is accordingly required in particular to, it is emphasized that traditional mold is not due to having
Play the role of the stent 12 of lifting, generally require to place gasket on bottom plate 5, for being lifted steel reinforcement cage 13, avoid steel reinforcement cage 13
Bottom reinforcement bars it is exposed.But traditional approach, 8 mass of shield is influenced, and shape is unsightly, and increases construction cost.Highly
Locating piece can be as needed, adjusts the distance between 13 bottom of steel reinforcement cage and bottom plate 5, is reduced while meeting production requirement
Construction cost, and due to the repeatable usability of stent 12, bring great convenience, made with a batch of to production
It is very convenient during shield 8.
In a preferred embodiment, the plank of adjustment height can be made in altitude location part, for example, by altitude location part
Two parts, such as the first height part and the second height part is made, is connected between two altitude location parts by tunable arrangement.Than
Such as, the first height part is the first height cylinder, and the second height part is the second height cylinder, is connected through a screw thread between two cylinders, can be with
It realizes flexible.
In a preferred embodiment, in spatial position, sequence from top to bottom is followed successively by the 17, the 4th horizontal stroke of second cross beam
Beam 19, the 5th crossbeam 20 and first crossbeam 15.
In a preferred embodiment, the utility model further includes third crossbeam 18, wherein second cross beam 17, third crossbeam
18 and the 4th crossbeam 19 be located in same level, second cross beam 17 is up the 4th crossbeam 19 and first crossbeam 15 successively.
In a preferred embodiment, locating part 16 is Y shape or V-arrangement, for limiting the position of reinforcing bar.
In a preferred embodiment, several locating parts 16 is provided on first crossbeam 15, under each locating part 16
Side sets fluted 21 in the corresponding position of second cross beam 17；
Groove 21 corresponding with 16 position of locating part is also equipped on the 5th crossbeam 20 and the 4th crossbeam 19.
In a preferred embodiment, third crossbeam 18 is with setting fluted 21 at 16 corresponding position of locating part.
In a preferred embodiment, first crossbeam 15 is detachably connected with steel reinforcement cage support 14.First crossbeam 15 can be straight
It connects and is placed in steel reinforcement cage support 14 or first crossbeam 15 and steel reinforcement cage support 14 to be bolted.Preferably, first crossbeam
15 are made of angle steel.
In a preferred embodiment, vertical supporting and cross-brace are detachably connected, for example, be bolted or
It is connected by ring flange.
In a preferred embodiment, vertical supporting and cross-brace are made of angle steel, are led between angle steel and angle steel
It crosses and is bolted.
Altitude location part is integrally formed with bottom positioning plate or welding.
In a preferred embodiment, a stent 12 is placed at the both ends of mold respectively, and a stent 12 includes a bottom
Portion's positioning plate and two altitude location parts, altitude location part are welded on the positioning plate of bottom.
In a preferred embodiment, the end set of bottom positioning plate has a limiting section, limiting section in the positioning plate of bottom
A U-lag is formed between portion.Limiting section protrudes, and steel reinforcement cage 13 is placed between limiting section, it can be achieved that the left and right of steel reinforcement cage 13
Limiting, simultaneously as the effect of transverse slat ontology, can realize the front and rear positioning of steel reinforcement cage 13.
In a preferred embodiment, altitude location part is L-shaped angle steel, and bottom positioning plate is plain plate, and L-shaped angle steel welds
On plain plate.
In a preferred embodiment, 5 lower section setting mould support 10 of bottom plate.Mould support 10 includes being arranged on bottom plate 5
Under column, the column quantity preferably 4.It is highly preferred that mould support 10 includes column and the tablet being arranged on column,
Tablet is fixed with column, and bottom plate 5 is placed on tablet, can also be further fixed by bolt.It is excellent at another
It selects in embodiment, the lower section setting universal wheel of column, mold easy to remove.
In a preferred embodiment, the bolt hole that cover board 6 is connect with end plate 1 is slot 7, and baffle 11 connects with end plate 1
The bolt hole connect is slot 7.
In a preferred embodiment, the end plate 1 is L-shaped, and baffle 11 is vertically placed on the first order step of end plate 1
It goes up and passes through bolt and fixed with end plate 1；Cover board 6 is placed across on the first order step of end plate 1 and passes through bolt to be consolidated with end plate 1
It is fixed；After mold installation, the top surface of end plate 1, backboard 3 and baffle 11 is on same horizontal plane.
In a preferred embodiment, entire mold is L-shaped, and support plate, backboard 3, first member plate and right end are provided on bottom plate 5
It is both provided with the rotation section coordinated with support plate on plate, trepanning on rotation section, rotation section is connect with support plate by axis pin；Each rotation
Portion is used cooperatively with two support plates, and rotation section is arranged between two support plates, and two support plates include the first support plate and the second support plate,
Axis pin sequentially passes through the first support plate, rotation section and the second support plate and connects three.
In a preferred embodiment, axis pin front end trepanning after axis pin passes through support plate and rotation section, is consolidated by split pin
It is fixed.
In a preferred embodiment, rotation section is a tablet, and tablet is fixed with backboard 3 or first member plate or right end plate；
It welds or is integrally formed with backboard 3 in rotation section；
It welds or is integrally formed with first member plate in rotation section；
It welds or is integrally formed with right end plate in rotation section.
In a preferred embodiment, it is provided with arcuate projection on bottom plate 5, it is preferable that arcuate projection can be by cutting
Face is fixed with bottom plate 5 for semicircular pipe and is realized, for example welds, is integrally formed.Moreover, arcuate projection can also lead to
It crosses and a pipe or flat tube realization is welded on bottom plate 5.
In a preferred embodiment, embedded hole 4 is provided on backboard 3, it is highly preferred that being provided on backboard 3 pre- at two
Buried via hole 4 often locates two bar holes of setting of embedded hole 4, and embedded hole 4 is arranged on 3 both sides of backboard at two.Embedded hole 4 is pre- for installing
Embedded part 9, the built-in fitting 9 includes pre-embedded steel slab 9.1 and pre-embedded bolt 9.2, as shown in Fig. 9~Figure 11.
After 8 reinforcement installation of shield is good, built-in fitting 9 should be also fixed, U-shaped pre-embedded bolt 9.2 is inserted into steel reinforcement cage 13 first
Nut is simultaneously screwed in corresponding position, and nut is twisted in correct position, and U-shaped pre-embedded bolt 9.2 is pierced into pre-buried steel by nut after being twisted
In 9.1 hole of plate, and pre-embedded steel slab 9.1 and 4 nuts are tightened, be finally adjacent to pre-embedded steel slab 9.1 and template (or it is U-shaped pre-
Bolt 9.2 is buried first to be fixed on backboard 3), ensure that 8 pre-embedded bolt 9.2 of railing shield is higher by 50mm；8 pre-buried spiral shell of sound barrier shield
Bolt 9.2 is higher by 80mm.
13 preparation method of steel reinforcement cage：
Step 1：Fixture for assembling and welding, but first crossbeam 15 is not installed first；
Step 2：Reinforcing bar is bent into Jiong shape reinforcing bar 13.1, lateral fixed steel bars 13.2, figure-six reinforcing bar 13.3 and is indulged
To reinforcing bar 13.4, preferably the, in one crotch of end reinforced setting；
Step 3：First by figure-six reinforcing bar 13.3 and/or longitudinal reinforcement 13.4 according to certain intervals (such as between groove
Away from) be placed on welding tooling；
Step 4：After first crossbeam 15 is installed, then Jiong shape reinforcing bar 13.1 is placed, later by lateral fixed steel bars 13.2
Pierce into Jiong shape reinforcing bar 13.1, figure-six reinforcing bar 13.3 and/or longitudinal reinforcement 13.4 and figure-six reinforcing bar 13.3 and longitudinal reinforcement
In 13.4 spaces formed；
Step 5:Jiong shape reinforcing bar 13.1 and lateral fixed steel bars 13.2 are welded and/or bound；By figure-six reinforcing bar 13.3
And/or longitudinal reinforcement 13.4 is welded and/or is bound with lateral fixed steel bars 13.2；By Jiong shape reinforcing bar 13.1 and figure-six reinforcing bar
13.3 and/or longitudinal reinforcement 13.4 weld and/or bind.
It should be noted that the sequence of above-mentioned steps one and step 2 can exchange.In step 4, Jiong can be first placed
After shape reinforcing bar 13.1, then first crossbeam 15 is installed.In view of the special construction of steel reinforcement cage 13 and special manufacture craft, therefore this steel
Muscle cage 13 can also be used as a part for high-speed railway bridge floor shield not gasket prefabricated construction equipment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Go out, all any modification, equivalent and improvement made within the spirit and principles of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (10)
1. high-speed railway bridge floor shield is without gasket prefabricated construction equipment, it is characterised in that：It includes welding tooling, stent and mould
Tool；
Welding tooling includes steel reinforcement cage support, first crossbeam, second cross beam, the 4th crossbeam and the 5th crossbeam, steel reinforcement cage support packet
Vertical supporting and cross-brace are included, vertical supporting is connected into an entirety by cross-brace；
First crossbeam, second cross beam, the 4th crossbeam and the 5th crossbeam are arranged in steel reinforcement cage support, wherein, first crossbeam and the
Two crossbeams are arranged on the side of steel reinforcement cage support, and the 4th crossbeam and the 5th crossbeam are arranged on the opposite side of steel reinforcement cage support, and first
Finite place piece is set on crossbeam；
The mold includes bottom plate, backboard, end plate, cover board and baffle, and the end plate includes first member plate and right end plate；
Backboard, first member plate and right end plate are hinged respectively with bottom plate；
Baffle is bolted with first member plate, and baffle is connect by bolt with right end plate；
Cover board is arranged on end plate；
The bottom plate both ends are pasted with sealing strip, and sealing strip is posted at the backboard both ends；
The stent includes bottom positioning plate and altitude location part, and altitude location part is fixed with bottom positioning plate.
2. high-speed railway bridge floor shield according to claim 1 is without gasket prefabricated construction equipment, it is characterised in that：In space
In position, sequence from top to bottom is followed successively by second cross beam, the 4th crossbeam, the 5th crossbeam and first crossbeam.
3. high-speed railway bridge floor shield according to claim 1 is without gasket prefabricated construction equipment, it is characterised in that：It is also wrapped
Third crossbeam is included, wherein second cross beam, third crossbeam and the 4th crossbeam is located in same level, and second cross beam is successively up
4th crossbeam and first crossbeam.
4. the high-speed railway bridge floor shield according to claims 1 or 2 or 3 is without gasket prefabricated construction equipment, it is characterised in that：
Locating part is Y shape or V-arrangement, for limiting the position of reinforcing bar.
5. high-speed railway bridge floor shield according to claim 4 is without gasket prefabricated construction equipment, it is characterised in that：First is horizontal
Several locating parts is provided on beam, the lower section of each locating part is fluted in the setting of the corresponding position of second cross beam；
Groove corresponding with locating part position is also equipped on the 5th crossbeam and the 4th crossbeam.
6. high-speed railway bridge floor shield according to claim 3 is without gasket prefabricated construction equipment, it is characterised in that：Third is horizontal
It is set at beam position corresponding with locating part fluted.
7. high-speed railway bridge floor shield according to claim 1 is without gasket prefabricated construction equipment, it is characterised in that：First is horizontal
Beam is detachably connected with steel reinforcement cage support.
8. the high-speed railway bridge floor shield according to claim 1 or 7 is without gasket prefabricated construction equipment, it is characterised in that：It is perpendicular
It is detachably connected to support and cross-brace.
9. high-speed railway bridge floor shield according to claim 8 is without gasket prefabricated construction equipment, it is characterised in that：Vertical branch
Support and cross-brace are made of angle steel, are bolted between angle steel and angle steel.
10. high-speed railway bridge floor shield according to claim 8 is without gasket prefabricated construction equipment, it is characterised in that：Highly
Locating piece is integrally formed with bottom positioning plate or welding；
The end set of bottom positioning plate has limiting section, and a U-lag is formed between limiting section and bottom positioning plate middle part；
The end plate is L-shaped, and baffle is vertically placed on the first order step of end plate and passes through bolt and fixed with end plate；Cover board
It is placed across on the first order step of end plate and passes through bolt and fixed with end plate；After mold installation, end plate, backboard and baffle
Top surface is on same horizontal plane；
Entire mold is L-shaped, and support plate is provided on bottom plate, is both provided with what is coordinated with support plate in backboard, first member plate and right end plate
Rotation section, trepanning on rotation section, rotation section is connect with support plate by axis pin；Each rotation section is used cooperatively with two support plates, is turned
Dynamic portion is arranged between two support plates, and two support plates include the first support plate and the second support plate, and axis pin sequentially passes through the first support plate, turns
Dynamic portion and the second support plate connect three；
Arcuate projection is provided on bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636380.3U CN207525635U (en) | 2017-11-30 | 2017-11-30 | High-speed railway bridge floor shield is without gasket prefabricated construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636380.3U CN207525635U (en) | 2017-11-30 | 2017-11-30 | High-speed railway bridge floor shield is without gasket prefabricated construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207525635U true CN207525635U (en) | 2018-06-22 |
Family
ID=62579606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636380.3U Expired - Fee Related CN207525635U (en) | 2017-11-30 | 2017-11-30 | High-speed railway bridge floor shield is without gasket prefabricated construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207525635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829373A (en) * | 2017-11-30 | 2018-03-23 | 中铁八局集团第四工程有限公司 | High-speed railway bridge floor shield is without pad prefabricated construction equipment |
-
2017
- 2017-11-30 CN CN201721636380.3U patent/CN207525635U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829373A (en) * | 2017-11-30 | 2018-03-23 | 中铁八局集团第四工程有限公司 | High-speed railway bridge floor shield is without pad prefabricated construction equipment |
| CN107829373B (en) * | 2017-11-30 | 2024-01-05 | 中铁八局集团建筑工程有限公司 | High-speed railway bridge deck curtain board does not have prefabricated construction equipment of gasket |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20201130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |