CN110549487A - Movable precast box girder web plate steel bar positioning jig frame and construction method thereof - Google Patents
Movable precast box girder web plate steel bar positioning jig frame and construction method thereof Download PDFInfo
- Publication number
- CN110549487A CN110549487A CN201910773401.3A CN201910773401A CN110549487A CN 110549487 A CN110549487 A CN 110549487A CN 201910773401 A CN201910773401 A CN 201910773401A CN 110549487 A CN110549487 A CN 110549487A
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- positioning
- jig frame
- jig
- steel bar
- frame
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- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
Abstract
The invention provides a movable prefabricated box girder web plate reinforcing steel bar positioning jig frame and a construction method thereof, wherein the positioning jig frame comprises: a plurality of jig frame units, each jig frame unit comprising: the positioning device comprises a positioning frame, a moving part and a plurality of first positioning parts; the moving part is arranged at the bottom of the positioning frame, and the first positioning parts are sequentially arranged on the side surface of the positioning frame along the longitudinal direction of the positioning frame; the positioning frames of the jig frame units are connected in sequence. According to the invention, the prefabricated box girder web plate steel reinforcement framework can be installed on the positioning jig frame, and a gantry crane is not needed to be used for hoisting, so that the gantry crane can be used more reasonably, and the occupied area for fixing the steel reinforcement jig frame is not needed to be provided; meanwhile, potential safety hazards caused by hoisting the prefabricated box girder reinforcement cage by a gantry crane are effectively avoided; the positioning jig frame is composed of a plurality of jig frame units, the whole positioning jig frame is divided into units, and the moving part is arranged under the jig frame, so that the movable assembly of the positioning jig frame is realized, and the production benefit is improved.
Description
Technical Field
The invention relates to the technical field of highway project bridge construction, in particular to a movable precast box girder web plate reinforcing steel bar positioning jig frame and a construction method thereof.
Background
In the construction of highway bridges, the construction is generally carried out by adopting a prefabricated box girder mode. In the process of prefabricating the box girder, in order to overcome the problems that the longitudinal and transverse spacing is not uniform, the steel bar is not accurately positioned, the qualification rate of a steel bar protective layer does not reach the standard and the like in the installation process of the steel bar, a fixed steel bar jig frame method is adopted to carry out standardized installation on the steel bar, namely, a web plate steel bar framework is installed on a fixed steel bar jig frame, and then a gantry crane is used for hoisting the qualified web plate steel bar framework to a pedestal. The method has the following disadvantages: firstly, a fixed steel bar jig frame needs to occupy a special field; secondly, a gantry crane is required to be occupied to hoist the steel reinforcement framework, and the reasonable use of the gantry crane is restricted; thirdly, certain potential safety hazards exist in the hoisting process of the steel reinforcement framework.
Disclosure of Invention
in view of the above, the invention provides a movable precast box girder web plate reinforcing steel bar positioning jig frame and a construction method thereof, and aims to solve the problems of large occupied area, more occupied time of a gantry crane and potential safety hazards in the existing precast box girder web plate reinforcing steel bar installation process.
In one aspect, the invention provides a movable precast box girder web steel bar positioning jig frame, which comprises: a plurality of jig frame units, each jig frame unit comprising: the positioning device comprises a positioning frame, a moving part and a plurality of first positioning parts; the moving part is arranged at the bottom of the positioning frame, each first positioning part is sequentially arranged on the side surface of the positioning frame along the longitudinal direction of the positioning frame, and the top of the positioning frame is provided with a positioning rod; the positioning frames of all the jig frame units are connected in sequence; each first positioning portion includes: the positioning sleeve is transversely connected to the side surface of the positioning frame; the combined support rod is formed by welding two or more support rods together through an angle steel or profile steel, and the combined support rod is inserted into the positioning sleeve.
Further, among the above-mentioned portable precast box girder web reinforcing bar location bed-jig, the locating rack includes: a base; the bottom of the vertical supporting part is connected with the base; the bottom of the inclined supporting part is connected with the base, and the inclined supporting part and the vertical supporting part are respectively connected with two opposite edges of the base; the crossbeam, the top of vertical support portion and the top of bearing diagonal portion all are connected with the crossbeam.
Furthermore, in the movable precast box girder web plate steel bar positioning jig frame, the base is square; and/or the moving part is a universal wheel with a brake.
Further, in above-mentioned portable precast box girder web reinforcing bar location bed-jig, every bed-jig unit all still includes: and the second positioning part is arranged at the bottom of the positioning frame corresponding to the second positioning part and is used for fixing the positioning frame on the ground.
further, among the above-mentioned portable precast box girder web reinforcing bar location bed-jig, second location portion includes: the bottom of the positioning frame is provided with a through hole, the anchor ground bolt is a bending piece, and the anchor ground bolt is arranged in the through hole in a penetrating way and can be inserted into the ground; and the wedge can be clamped between the bottom of the positioning frame and the ground.
further, in the above-mentioned portable prefabricated box girder web reinforcing bar location bed-jig, the screw has been seted up to the side of each locating rack, and the screw of two adjacent locating racks corresponds, and two screws are worn to locate in proper order to the bolt is worn to wear, and the tip of bolt is provided with the nut.
In the invention, the movable precast box girder web plate steel bar positioning jig frame can be fixed on the ground through the anchor ground bolt and the wedge; the prefabricated box girder web plate steel bar web can be installed on the positioning jig frame to form a prefabricated box girder steel bar cage, and a gantry crane is not needed to be used for hoisting, so that the gantry crane can be used more reasonably, and the occupied area for fixing the steel bar jig frame is not needed to be provided; meanwhile, potential safety hazards caused by hoisting the prefabricated box girder reinforcement cage by a gantry crane are effectively avoided; the positioning jig frame consists of a plurality of jig frame units, the integral positioning jig frame is divided into units, and the moving part is arranged below the jig frame, so that the movable assembly of the positioning jig frame is realized, and the production benefit is improved; the positioning jig frame provided by the invention can be introduced to a steel bar jig frame prefabricated by a T-shaped beam.
On the other hand, the invention also provides a construction method of the movable precast box girder web plate reinforcing steel bar positioning jig frame, which comprises the following steps: step 1, pushing each jig frame unit with a first group of numbered jig frame units to one side of a pedestal according to the serial number; step 2, enabling one side of the jig frame unit with the number 1# facing the prefabricated pedestal to be close to the pedestal, moving the jig frame unit with the number 1# to enable the starting point end of the jig frame unit with the number 1# to be aligned with the starting marked line of the pedestal; step 3, inserting the anchor ground bolt of the jig frame unit with the number 1# into a hole on the ground, dropping the brake sheet of the moving part of the jig frame unit with the number 1# and inserting a wedge between the bottom of the jig frame unit with the number 1# and the ground; step 4, the jig frame unit with the number 2# is abutted against the pedestal, the jig frame unit with the number 2# is connected with the opposite side face of the jig frame unit with the number 1#, the brake sheet of the moving part of the jig frame unit with the number 2# is dropped, and another wedge is stuffed between the bottom of the jig frame unit with the number 2# and the ground; step 5, repeating the step 4, and positioning the subsequent units to complete the integral assembly; step 6, pushing each jig frame unit numbered in the second group to the other side of the pedestal according to the serial number; the integral assembly is completed according to the first group of assembly modes; step 7, inserting a combined support rod, placing the transverse steel bars of the web steel bars on the combined support rod for positioning, then leaning the vertical steel bars of the web steel bars on the positioning rods and positioning the grooves of the jig frame base, binding the vertical steel bars and the transverse steel bars to form a steel bar framework, then completing the installation of other fixed steel bars, and checking and accepting; and after the test is qualified, removing the connection among the jig frame units, extracting the inserted combined supporting rod, extracting the anchor ground bolt, knocking out all the wedges, loosening the brake sheets of all the moving parts, extracting the jig frame units in the direction away from the pedestal, and pushing the jig frame units to the two sides of the next pedestal to be in place respectively.
in the invention, the movable precast box girder web plate steel bar positioning jig frame can be fixed on the ground through the anchor ground bolt and the wedge; the prefabricated box girder web plate steel bar web can be installed on the positioning jig frame to form a prefabricated box girder steel bar cage, and a gantry crane is not needed to be used for hoisting, so that the gantry crane can be used more reasonably, and the occupied area of the gantry crane is not needed to be provided; meanwhile, potential safety hazards caused by hoisting the prefabricated box girder reinforcement cage by a gantry crane are effectively avoided; the positioning jig frame consists of a plurality of jig frame units, the integral positioning jig frame is divided into units, and the moving part is arranged below the jig frame, so that the movable assembly of the positioning jig frame is realized, and the production benefit is improved; the positioning jig frame provided by the invention can be introduced to a steel bar jig frame prefabricated by a T-shaped beam.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a front view of a movable precast box girder web steel bar positioning jig frame according to an embodiment of the invention;
FIG. 2 is a side view of a movable precast box girder web reinforcing steel bar positioning jig according to an embodiment of the invention;
Fig. 3 is a flowchart of an implementation method of a movable precast box girder web reinforcing steel bar positioning jig according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and 2, fig. 1 and 2 show a preferred structure of the movable precast box girder web reinforcing steel bar positioning jig provided by the present embodiment. As shown in fig. 1 and 2, the movable precast box girder web steel bar positioning jig is assembled by a plurality of jig units, each of which includes: locating rack 1, removal portion 2 and a plurality of first locating part 3, removal portion 2 sets up in the bottom of locating rack 1 for drive locating rack 1 subaerial removal, removal portion 2 self has the brake block, specifically is the universal wheel of stopping for the area. A plurality of first positioning portions 3 are provided in sequence on the side surface of the positioner 1 in the longitudinal direction of the positioner 1, i.e., from the top to the bottom (with respect to fig. 1). Each locating rack 1 is connected in proper order, specifically, a plurality of screws 4 have been seted up to the side of every locating rack 1, and each screw 4 one-to-one of two adjacent locating racks 1 is worn to be equipped with the bolt (not shown in the figure) in two corresponding screws 4 of two locating racks 1, and the end connection of bolt has the nut (not shown in the figure) to link together each locating rack 1 closely.
Referring to fig. 1 and 2, the spacer 1 includes: a base 11, a vertical support 12, a diagonal support 13 and a cross beam 14. The base 11 is a square structure formed by welding four angle steels end to end. The vertical support portion 12 is a vertically disposed angle steel, and the bottom thereof is welded to the upper portion of one angle steel of the base 11. The inclined support portion 13 is an obliquely arranged angle steel, the bottom of the inclined support portion is welded to the upper portion of the other angle steel of the base 11, and the inclined support portion 13 and the vertical support portion 12 are connected to two opposite angle steels of the base 11 respectively. The top of the vertical support part 12 and the top of the inclined support part 13 are both connected with the lower surface of the cross beam 14, so that the side surface of the positioning frame 1 is triangular, and the stability of the positioning frame 1 can be improved. The base 11, the vertical support portion 12, the inclined support portion 13 and the cross beam 14 may be provided with screw holes 4.
Each of the first positioning portions 3 includes: a positioning sleeve 31 and a combined support rod 32. The positioning sleeve 31 is transversely connected to the side surfaces of the vertical supporting part 12 and the inclined supporting part 13 of the positioning frame 1, one end of each of two or more supporting rods is welded together through an angle steel or other section steel by the combined supporting rod 32, and the combined supporting rod 32 is inserted into the positioning sleeve 31 and used for designating the position of the transverse steel bar of the prefabricated box girder web. In particular, the support rods 32 are made of steel.
The top of every locating rack 1 all is provided with a plurality of locating levers 5, specifically, each locating lever 5 is connected in rather than the top of corresponding crossbeam 14 and evenly sets up along the length direction of crossbeam for appointed prefabricated box girder web vertical reinforcement position.
Each jig frame unit further includes: second location portion 6, second location portion 6 set up in rather than the bottom of corresponding locating rack 1 to fix locating rack 1 subaerial, accuracy when guaranteeing precast box girder web reinforcing bar installation. In specific implementation, the second positioning portion 6 includes: anchor ground bolt 61 and slide wedge 62, the bottom of locating rack 1 has been seted up and has been worn to establish hole 15, specifically, has seted up on the base 11 and has worn to establish hole 15, and anchor ground bolt 61 is for bending, and the vertical portion of bending of the piece of bending wears to locate in wearing to establish hole 15, and the horizontal portion of bending of the piece of bending is located the top of wearing to establish hole 15, plays and stops the effect. Wedge 62 can press from both sides and locate between the bottom of the base 11 of locating rack 1 and the ground, and anchor ground bolt 61 and wedge 62 carry out dual fixed to locating rack 1, and locating rack 1 does not shift when fully guaranteeing precast box girder web reinforcing bar installation. The number of the through holes 15 is equal to that of the anchor bolts 61 and the through holes 15, and one positioning anchor bolt 61 is arranged in each through hole 15.
referring to fig. 2, fig. 2 is a flowchart illustrating a construction method of a movable precast box girder web reinforcement positioning jig according to the embodiment, and as shown in fig. 2, the construction method includes the following steps:
step 1, pushing each jig frame unit with a first group of numbered jig frame units to one side of a pedestal according to the serial number;
Step 2, enabling one side of the jig frame unit with the number 1# facing the prefabricated pedestal to be close to the pedestal, moving the jig frame unit with the number 1# to enable the starting point end of the jig frame unit with the number 1# to be aligned with the starting marked line of the pedestal;
Step 3, inserting the anchor ground bolt of the jig frame unit with the number 1# into a hole on the ground, dropping the brake sheet of the moving part of the jig frame unit with the number 1# and inserting a wedge between the bottom of the jig frame unit with the number 1# and the ground;
Step 4, the jig frame unit with the number 2# is abutted against the pedestal, the jig frame unit with the number 2# is connected with the opposite side face of the jig frame unit with the number 1#, the brake sheet of the moving part of the jig frame unit with the number 2# is dropped, and another wedge is stuffed between the bottom of the jig frame unit with the number 2# and the ground;
step 5, repeating the step 4, and positioning the subsequent units to complete the integral assembly;
Step 6, pushing each jig frame unit numbered in the second group to the other side of the pedestal according to the serial number; the integral assembly is completed according to the first group of assembly modes;
Step 7, inserting a combined support rod, placing the transverse steel bars of the web steel bars on the combined support rod for positioning, then leaning the vertical steel bars of the web steel bars on the positioning rods and positioning the grooves of the jig frame base, binding the vertical steel bars and the transverse steel bars to form a steel bar framework, then completing the installation of other fixed steel bars, and checking and accepting; and after the test is qualified, removing the connection among the jig frame units, extracting the inserted combined supporting rod, extracting the anchor ground bolt, knocking out all the wedges, loosening the brake sheets of all the moving parts, extracting the jig frame units in the direction away from the pedestal, and pushing the jig frame units to the two sides of the next pedestal to be in place respectively.
In conclusion, in the embodiment, the movable precast box girder web plate steel bar positioning jig frame can be fixed on the ground through the anchor bolt 61 and the wedge 62; the prefabricated box girder web plate steel bar web can be installed on the positioning jig frame to form a prefabricated box girder steel bar cage, and a gantry crane is not needed to be used for hoisting, so that the gantry crane can be used more reasonably, and the occupied area of the gantry crane is not needed to be provided; meanwhile, potential safety hazards caused by hoisting the prefabricated box girder reinforcement cage by a gantry crane are effectively avoided; the positioning jig frame consists of a plurality of jig frame units, the integral positioning jig frame is divided into units, and the moving part 2 is arranged below the jig frame, so that the movable assembly of the positioning jig frame is realized, and the production benefit is improved; the location bed-jig that this embodiment provided can introduce the prefabricated reinforcing bar bed-jig of T roof beam.
it will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. the utility model provides a portable precast box girder web reinforcing bar location bed-jig which characterized in that includes:
a plurality of jig frame units, each of the jig frame units comprising: the positioning device comprises a positioning frame, a moving part and a plurality of first positioning parts; the moving part is arranged at the bottom of the positioning frame, the first positioning parts are sequentially arranged on the side surface of the positioning frame along the longitudinal direction of the positioning frame, and the top of the positioning frame is provided with a positioning rod; the positioning frames of the jig frame units are connected in sequence;
Each of the first positioning portions includes: the positioning sleeve is transversely connected to the side face of the positioning frame; the combined support rod is formed by welding two or more support rods together through an angle steel or profile steel, and the combined support rod is inserted into the positioning sleeve.
2. The movable precast box girder web steel bar positioning jig of claim 1, wherein the jig comprises:
A base;
The bottom of the vertical supporting part is connected with the base;
the bottom of the inclined supporting part is connected with the base, and the inclined supporting part and the vertical supporting part are respectively connected with two opposite edges of the base;
the top of the vertical supporting part and the top of the inclined supporting part are connected with the cross beam.
3. the movable precast box girder web steel bar positioning jig of claim 2,
the base is square; and/or
The moving part is a universal wheel with a brake.
4. The movable precast box girder web rebar positioning jig of claim 1, wherein each jig unit further comprises:
and the second positioning part is arranged at the bottom of the positioning frame corresponding to the second positioning part and is used for fixing the positioning frame on the ground.
5. the movable precast box girder web steel bar positioning jig of claim 4, wherein the second positioning part comprises:
the bottom of the positioning frame is provided with a through hole, the anchor ground bolt is a bending piece, and the anchor ground bolt is arranged in the through hole in a penetrating way and can be inserted into the ground;
And the inclined wedge can be clamped between the bottom of the positioning frame and the ground.
6. The movable precast box girder web steel bar positioning jig of claim 1,
Screw holes are formed in the side face of each positioning frame, the screw holes of two adjacent positioning frames correspond to each other, a bolt penetrates through the two screw holes in sequence, and nuts are arranged at the end portions of the bolts.
7. A construction method of the movable precast box girder web reinforcing steel bar positioning jig frame of any one of claims 1 to 6, characterized by comprising the following steps:
Step 1, pushing each jig frame unit numbered in a first group to one side of a pedestal according to the serial number;
step 2, one side of the jig frame unit with the number 1# facing the prefabricated pedestal is abutted against the pedestal, the jig frame unit with the number 1# is moved, and the starting point end of the jig frame unit with the number 1# is aligned with the starting marking of the pedestal;
step 3, inserting an anchor ground bolt of the jig frame unit with the number of 1# into a hole in the ground, dropping a brake sheet of a moving part of the jig frame unit with the number of 1# and inserting a wedge between the bottom of the jig frame unit with the number of 1# and the ground;
Step 4, the jig frame unit with the number 2# is abutted against the pedestal, the jig frame unit with the number 2# is connected with the opposite side face of the jig frame unit with the number 1#, the brake piece of the moving part of the jig frame unit with the number 2# is dropped, and another wedge is stuffed between the bottom of the jig frame unit with the number 2# and the ground;
step 5, repeating the step 4, and positioning the subsequent units to complete the integral assembly;
step 6, pushing each jig frame unit numbered in the second group to the other side of the pedestal according to the serial number; the integral assembly is completed according to the first group of assembly modes;
Step 7, inserting a combined support rod, placing a transverse steel bar of the web plate steel bar on the combined support rod for positioning, then leaning a vertical steel bar of the web plate steel bar on a positioning rod and positioning a groove of the jig frame base, binding the vertical steel bar and the transverse steel bar to form a steel bar framework, then completing the installation of other fixed steel bars, and checking and accepting; and after the test is qualified, removing the connection between the jig frame units, drawing out the inserted combined supporting rod, drawing out the anchor ground bolt, knocking out all the wedges, loosening all the brake sheets of the moving part, drawing out the jig frame units in the direction far away from the pedestal, and pushing the jig frame units to the two sides of the next pedestal to be in place respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773401.3A CN110549487A (en) | 2019-08-21 | 2019-08-21 | Movable precast box girder web plate steel bar positioning jig frame and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773401.3A CN110549487A (en) | 2019-08-21 | 2019-08-21 | Movable precast box girder web plate steel bar positioning jig frame and construction method thereof |
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| CN110549487A true CN110549487A (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910773401.3A Pending CN110549487A (en) | 2019-08-21 | 2019-08-21 | Movable precast box girder web plate steel bar positioning jig frame and construction method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516137A (en) * | 2020-04-28 | 2020-08-11 | 中国一冶集团有限公司 | Hydraulic integral movable prefabricated box girder web plate reinforcing steel bar jig frame and construction method |
| CN111633808A (en) * | 2020-05-26 | 2020-09-08 | 中国一冶集团有限公司 | Construction method of prefabricated box girder |
| CN112775361A (en) * | 2020-12-23 | 2021-05-11 | 蒋友富 | A design die carrier for case roof beam framework of steel reinforcement |
| CN114261006A (en) * | 2022-01-07 | 2022-04-01 | 中国十七冶集团有限公司 | Structure for fixing and dismantling prefabricated box girder template and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07205129A (en) * | 1994-01-26 | 1995-08-08 | Techno Kuriito:Kk | Form for manufacturing retaining wall block |
| CN201933417U (en) * | 2011-01-30 | 2011-08-17 | 中交三航局第三工程有限公司 | Integral steel reinforcement binding jig suitable for high-speed railway prefabricated box girder |
| CN206306252U (en) * | 2016-12-07 | 2017-07-07 | 中铁一局集团有限公司 | A kind of prefabricated small box girder reinforcing bar colligation moulding bed |
| CN207432460U (en) * | 2017-09-30 | 2018-06-01 | 中交路桥建设有限公司 | A kind of prefabricated case beam moulding bed |
| CN208360237U (en) * | 2018-06-19 | 2019-01-11 | 重庆工程学院 | A kind of outdoor mobile comm message acquisition device |
-
2019
- 2019-08-21 CN CN201910773401.3A patent/CN110549487A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07205129A (en) * | 1994-01-26 | 1995-08-08 | Techno Kuriito:Kk | Form for manufacturing retaining wall block |
| CN201933417U (en) * | 2011-01-30 | 2011-08-17 | 中交三航局第三工程有限公司 | Integral steel reinforcement binding jig suitable for high-speed railway prefabricated box girder |
| CN206306252U (en) * | 2016-12-07 | 2017-07-07 | 中铁一局集团有限公司 | A kind of prefabricated small box girder reinforcing bar colligation moulding bed |
| CN207432460U (en) * | 2017-09-30 | 2018-06-01 | 中交路桥建设有限公司 | A kind of prefabricated case beam moulding bed |
| CN208360237U (en) * | 2018-06-19 | 2019-01-11 | 重庆工程学院 | A kind of outdoor mobile comm message acquisition device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516137A (en) * | 2020-04-28 | 2020-08-11 | 中国一冶集团有限公司 | Hydraulic integral movable prefabricated box girder web plate reinforcing steel bar jig frame and construction method |
| CN111633808A (en) * | 2020-05-26 | 2020-09-08 | 中国一冶集团有限公司 | Construction method of prefabricated box girder |
| CN112775361A (en) * | 2020-12-23 | 2021-05-11 | 蒋友富 | A design die carrier for case roof beam framework of steel reinforcement |
| CN112775361B (en) * | 2020-12-23 | 2023-12-15 | 湾区(广东)建筑装配科技有限公司 | Shaping die carrier for box girder reinforcement cage |
| CN114261006A (en) * | 2022-01-07 | 2022-04-01 | 中国十七冶集团有限公司 | Structure for fixing and dismantling prefabricated box girder template and construction method |
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Application publication date: 20191210 |
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