CN110539099B - Adjustable jig frame for positioning reinforcement bars of precast beam guardrails and construction method of adjustable jig frame - Google Patents
Adjustable jig frame for positioning reinforcement bars of precast beam guardrails and construction method of adjustable jig frame Download PDFInfo
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- CN110539099B CN110539099B CN201910926062.8A CN201910926062A CN110539099B CN 110539099 B CN110539099 B CN 110539099B CN 201910926062 A CN201910926062 A CN 201910926062A CN 110539099 B CN110539099 B CN 110539099B
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- bolt
- groove
- jig
- precast beam
- board
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- 238000010276 construction Methods 0.000 title abstract description 24
- 230000002787 reinforcement Effects 0.000 title description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 244000126211 Hericium coralloides Species 0.000 claims abstract description 29
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 3
- 238000003466 welding Methods 0.000 claims 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to an adjustable jig frame for positioning reinforcing steel bars of precast beam guardrails and a construction method thereof, wherein the adjustable jig frame comprises a jig frame, a positioning clamping groove plate is arranged on the jig frame, a supporting plate is arranged above one positioning clamping groove plate, a placing groove is arranged on the upper surface of the supporting plate, the placing groove is used for placing first frame upright bars, a plurality of first bolt steel pipes are fixed on the supporting plate at equal intervals, a first bolt column is inserted into each first bolt steel pipe, vertical rods are welded on the left side surface and the right side surface of the jig frame, a horizontal supporting rod is fixed on the top of each vertical rod, a comb plate connecting piece is arranged above each supporting rod, comb tooth grooves are formed in the comb plate through a plurality of hinges, a second bolt steel pipe is welded on each vertical rod, a second bolt column is inserted into each second bolt steel pipe, and the second bolt columns are supported at the bottom of the comb plate. The invention solves the problems of uneven spacing and height of the guardrail steel bars, improves the construction operation efficiency and saves the cost.
Description
Technical Field
The invention relates to the technical field of positioning construction of precast beam guardrail steel bars, in particular to an adjustable jig frame for positioning precast beam guardrail steel bars and a construction method thereof.
Background
At present, the guardrail steel bar positioning of the precast beam does not have a mature construction process, and the guardrail steel bar is often bound on the beam surface in the construction process, so that coordination and cooperation construction of multiple people are often required.
In the binding process of the embedded anti-collision guardrail, the allowable deviation of the distance between the guardrail steel bars is +/-2 cm according to the standard requirement, the construction method of multi-person binding leads to the fact that the linearity and the height of the guardrail are not easy to control, the distance between the guardrails fluctuates greatly, and the efficiency of construction operation and the appearance of the guardrail are affected.
Disclosure of Invention
The invention aims to solve the problem of uneven spacing and height of guardrail steel bars, and provides an adjustable jig frame for positioning precast beam guardrail steel bars and a construction method thereof.
The invention adopts the following technical scheme to realize the aim:
the utility model provides a bed-jig with adjustable precast beam guardrail reinforcing bar location is with, includes the bed-jig, be equipped with the location draw-in groove board on two long limits of bed-jig upper surface, equidistant interval arrangement has a plurality of location draw-in grooves on every location draw-in groove board, and one of them location draw-in groove board top is equipped with the backup pad, the backup pad passes through the stand at bottom both ends to be fixed at the bed-jig upper surface, the outward flange that the backup pad upper surface faced another location draw-in groove board is equipped with the standing groove, the standing groove is used for placing first frame stud, equidistant interval is fixed with a plurality of first bolt steel pipe in the backup pad, peg graft in every first bolt steel pipe has a first bolt post, all weld a pole setting on the left and right sides face of bed-jig, the pole setting top is fixed with horizontal bracing piece, one end of the supporting rod is welded on the upright post, the other end of the supporting rod extends out of the jig frame, a supporting vertical rod is arranged at the bottom of one end of the supporting rod extending out of the jig frame, a comb plate connecting piece is arranged above one end of the supporting rod extending out of the jig frame, the comb plate connecting piece is arranged in parallel with the supporting plate, a side wall of the comb plate connecting piece, which is back to the supporting plate, is connected with a comb plate through a plurality of hinges, the comb tooth grooves are formed in the comb tooth plate in one-to-one correspondence with the positioning clamping grooves, a second bolt steel pipe is welded to the two vertical rods, a second bolt column is inserted into each second bolt steel pipe in an inserted mode, the second bolt columns support the bottom of the comb tooth plate in a propped mode, the comb tooth grooves and the positioning clamping grooves are used for clamping and fixing precast beam guardrails, second support studs are placed on the upper surface of the comb tooth plate, and the second support studs are attached to the precast beam guardrails.
The length of the long side of the jig frame is 3m.
The spacing between the positioning clamping groove and the comb tooth groove is 10cm.
The number of the first bolt steel pipes and the number of the first bolt columns are 7.
The comb plate connecting piece is U-shaped channel steel.
The method for constructing the precast beam guardrail by using the adjustable jig for positioning the precast beam guardrail steel bars comprises the following specific steps:
the method comprises the steps of placing a precast beam guardrail on a positioning clamping groove plate of a jig frame, positioning the precast beam guardrail by utilizing the positioning clamping groove, placing a first support stud on a placing groove of a supporting plate to be attached to the precast beam guardrail, inserting a first bolt post into a first bolt steel pipe to fix the first support stud, taking out the second bolt post, taking out the lower part of the comb plate, integrally taking out the welded precast beam guardrail, and completing the whole construction operation, wherein the comb tooth plate can be rotated by connecting the comb tooth plate with a comb tooth groove of the comb tooth plate in the precast beam guardrail, inserting second bolt posts at two ends into a second bolt steel pipe, and supporting the bottom of the comb tooth plate to ensure that the comb tooth plate cannot fall off.
The beneficial effects of the invention are as follows: the invention relates to a movable adjustable precast beam guardrail jig frame, which can be accurately positioned because the jig frame is provided with a spacing limiting device, namely a positioning clamping groove; the positioning and bolt devices of the first stand bars and the second stand bars are arranged on the jig frame, so that the first stand bars and the second stand bars can be accurately positioned and welded into a whole, the top surfaces of the reinforcement cages can be guaranteed to be level, and the reinforcement cages are linear and straight; by adopting the construction method, the pre-buried guardrail framework can be prefabricated in advance, and the pre-buried guardrail framework can be directly installed and fixed after the binding of the top plate steel bars is completed, so that the construction operation efficiency is improved, and the cost is saved.
Drawings
FIG. 1 is a front view of the present invention (including a precast beam guard rail);
FIG. 2 is a right side view of the present invention (including a precast beam guard rail);
FIG. 3 is a perspective view of the present invention (including a precast beam guard rail);
FIG. 4 is a schematic view of one direction of the present invention (not including a precast beam guard rail);
FIG. 5 is a schematic view of another aspect of the present invention (not including a precast beam guard rail);
in the figure: 1-a jig frame; 2-positioning a clamping groove plate; 3-positioning clamping grooves; 4-supporting plates; 5-stand columns; 6-placing grooves; 7-a first stand bar; 8-a first bolt steel pipe; 9-a first latch post; 10-standing a pole; 11-supporting rods; 12-supporting vertical rods; 13-comb plate connectors; 14-hinges; 15-comb plate; 16-comb tooth grooves; 17-a second bolt steel pipe; 18-a second latch post; 19-a precast beam guard rail; 20-a second stand bar;
the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 5, an adjustable jig for positioning reinforcement bars of precast beam guardrails comprises a jig 1, two long sides of the upper surface of the jig 1 are provided with positioning clamping groove plates 2, each positioning clamping groove plate 2 is provided with a plurality of positioning clamping grooves 3 at equal intervals, a supporting plate 4 is arranged above one positioning clamping groove plate 2, the supporting plate 4 is fixed on the upper surface of the jig 1 through upright posts 5 at two ends of the bottom, the outer edge of the upper surface of the supporting plate 4 facing the other positioning clamping groove plate 2 is provided with a placing groove 6, the placing groove 6 is used for placing first support studs 7, a plurality of first bolt steel pipes 8 are fixed on the supporting plate 4 at equal intervals, a first bolt post 9 is inserted in each first bolt steel pipe 8, a vertical rod 10 is welded on the left side surface and the right side surface of the jig 1, the top of the vertical rod 10 is fixed with a horizontal supporting rod 11, one end of the supporting rod 11 is welded on the upright post 5, the other end of the supporting rod extends out of the jig frame 1, a supporting vertical rod 12 is arranged at the bottom of one end of the supporting rod 11 extending out of the jig frame 1, a comb plate connecting piece 13 is arranged above one end of the supporting rod 11 extending out of the jig frame 1, the comb plate connecting piece 13 is arranged in parallel with the supporting plate 4, a comb plate 15 is connected to one side wall of the comb plate connecting piece 13, which is opposite to the supporting plate 4, through a plurality of hinges 14, comb grooves 16 which are in one-to-one correspondence with the positioning clamping grooves 3 are arranged on the comb plate 15, a second bolt steel pipe 17 is welded on the two upright posts 10, a second bolt column 18 is inserted into each second bolt steel pipe 17, the second bolt column 18 is propped against and supported at the bottom of the comb plate 15, the comb grooves 16 and the positioning clamping grooves 3 are used for clamping and fixing precast beam guardrails 19, second frame studs 20 are arranged on the upper surface of the comb plate 15, the second stand bars 20 are attached to the precast beam guard rails 19.
The length of the long side of the jig frame 1 is 3m.
The spacing between the positioning clamping groove 3 and the comb tooth groove 16 is 10cm.
The number of the first bolt steel pipes 8 and the number of the first bolt columns 9 are 7.
The comb plate connecting piece 13 is a U-shaped channel steel.
When the adjustable jig frame for positioning the precast beam guardrail bar 19 is utilized to construct the precast beam guardrail bar 19, the precast beam guardrail bar 19 is placed on the positioning clamping groove plate 2 of the jig frame 1 and positioned by utilizing the positioning clamping groove 3, wherein the first support stud bar 7 is placed on the placing groove 6 of the supporting plate 4 to be attached to the precast beam guardrail bar 19, the first bolt post 9 is inserted into the first bolt steel pipe 8 to fix the first support stud bar 7, the comb tooth plate 15 is connected with the comb tooth plate connecting piece 13 through the hinge 14, the comb tooth plate 15 can rotate, the comb tooth grooves 16 of the comb tooth plate 15 are inserted into the precast beam guardrail bar 19, the second bolt posts 18 at two ends are utilized to be inserted into the second bolt steel pipe 17 to prop against the bottom of the comb tooth plate 15, the comb tooth plate 15 is ensured not to drop, after the completion of the placement of the second support stud bar 20 on the comb tooth plate 15 to be attached to the precast beam guardrail bar 19, the first support stud bar 7, the second bolt post 20 and the precast beam guardrail bar 19 are welded, after the completion of the whole construction, the first bolt post 9 is taken out, the whole bolt post 9 is taken out, and the whole construction post 19 is welded, and the whole construction post is taken out is well.
The invention relates to a movable adjustable precast beam guardrail jig frame, which can be accurately positioned because the jig frame 1 is provided with a spacing limiting device, namely a positioning clamping groove 3; the positioning and bolt devices of the first stand bars 7 and the second stand bars 20 are arranged on the jig frame 1, so that the first stand bars 7 and the second stand bars 20 can be accurately positioned and welded into a whole, the top surfaces of the reinforcement cages can be guaranteed to be flush, and the reinforcement cages are linear and straight; by adopting the construction method, the pre-buried guardrail framework can be prefabricated in advance, and the pre-buried guardrail framework can be directly installed and fixed after the binding of the top plate steel bars is completed, so that the construction operation efficiency is improved, and the cost is saved.
Specific examples:
take Yun Mao highway construction as an example:
yun Mao highway engineering TJ12 standard section is located in the trusted market, the starting point pile number K98+520, the end point pile number K111+620, the whole route length is 13.1km, and the total engineering cost is 425838888 yuan. Newly built bridge and culvert design load grade: road-1 grade. Bridge 14 seats/2817.1 m, box girders 917 truss, T girders 30 truss and guardrails 11187.2m.
According to field practice statistics, taking pre-burying of 25m prefabricated box girder anti-collision guardrails as an example, a traditional guardrail binding process is adopted, and 6 persons are required to cooperatively operate for 1.5 hours. If the invention is selected for construction operation, 2 persons need to take 2 hours for prefabrication, and then 0.5 hour is needed for assembly and fixation of 2 persons. Practice shows that the 25m crash barrier can save time by 4 hours.
If the invention is applied to the construction operation of all guardrails of the highway Yun Mao, the time is saved by 1790 hours, the working time is calculated to be 224 working days, and the 44800 yuan of RMB is closed.
The invention improves the construction efficiency and generates direct economic benefit; meanwhile, through popularization and use on the precast beams, the method obtains high praise of owners, and is popularized and used in the whole standard section, so that the method has profound significance and obtains higher social benefit.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the invention, or applied directly to other applications without modification, within the scope of the invention.
Claims (6)
1. The utility model provides a bed-jig with adjustable precast beam guardrail reinforcing bar location is characterized in that, including bed-jig (1), be equipped with location draw-in groove board (2) on two long limits of bed-jig (1) upper surface, equidistance interval arrangement has a plurality of location draw-in grooves (3) on every location draw-in groove board (2), and one of them location draw-in groove board (2) top is equipped with backup pad (4), backup pad (4) are fixed at bed-jig (1) upper surface through stand (5) at bottom both ends, the outward flange of backup pad (4) upper surface towards another location draw-in groove board (2) is equipped with standing groove (6), standing groove (6) are used for placing first frame stud (7), equidistant interval fixation has a plurality of first bolt steel pipe (8) on backup pad (4), and a first bolt post (9) have been inserted in every first bolt steel pipe (8), all welded on the left and right sides face of bed-jig (1) has a pole setting (10), stand setting (10) top is fixed with horizontal bracing piece (11), stand setting (11) are equipped with stand setting up one end (11) and are stretched out on stand setting up (1) one end (12), the utility model discloses a prefabricated beam guardrail, including bracing piece (11), rack (1), bracing piece, comb tooth board connecting piece (13) have been put up in one end top that rack (1) was stretched out to bracing piece (11), comb tooth board connecting piece (13) and backup pad (4) parallel arrangement, be connected with comb tooth board (15) on one lateral wall that comb tooth board connecting piece (13) was facing away from backup pad (4) through a plurality of hinge (14), set up on comb tooth board (15) with broach groove (3) one-to-one's (16), all welded a second bolt steel pipe (17) on two pole settings (10), inserted second bolt post (18) in every second bolt steel pipe (17), second bolt post (18) support in comb tooth board (15) bottom in the support, broach groove (16), location draw-in groove (3) are used for joint fixed prefabricated beam guardrail (19), second support stud (20) laminating with prefabricated beam guardrail (19).
2. An adjustable bed-jig for locating reinforcing bars of precast beam guardrails according to claim 1, characterized in that the long side length of the bed-jig (1) is 3m.
3. An adjustable jig for positioning reinforcing steel bars of precast beam guardrails according to claim 2, characterized in that the spacing between the positioning clamping groove (3) and the comb tooth groove (16) is 10cm.
4. An adjustable jig for positioning reinforcing steel bars of precast beam guardrails according to claim 3, wherein the number of the first bolt steel pipes (8) and the number of the first bolt columns (9) are 7.
5. An adjustable bed-jig for locating rebars of precast beam guardrails according to claim 4, characterized in that the comb plate connector (13) is a U-shaped channel.
6. A method for constructing by using the adjustable jig frame for positioning the steel bars of the precast beam guardrail according to any one of claims 1-5, which is characterized by comprising the following specific steps:
place precast beam guardrail (19) on location draw-in groove board (2) of bed-jig (1) to utilize location draw-in groove (3) to fix a position it, wherein first frame stud (7) are placed on standing groove (6) of backup pad (4) with precast beam guardrail (19) laminating, insert first bolt post (9) in first bolt steel pipe (8) to first frame stud (7) fix, because broach board (15) pass through hinge (14) and broach board connecting piece (13) link to each other, broach board (15) can rotate, peg graft broach groove (16) of broach board (15) in precast beam guardrail (19), and utilize second bolt post (18) at both ends to insert in second bolt steel pipe (17), jack up broach board (15) bottom, guarantee that broach board (15) can not drop, place second frame stud (20) on broach board (15) with precast beam guardrail (19) laminating, after accomplishing, weld the whole post (19) with first frame stud (7), second frame stud (20) and whole, take out the welding operation is accomplished in the welding of second frame stud (19), take out whole stud (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926062.8A CN110539099B (en) | 2019-09-27 | 2019-09-27 | Adjustable jig frame for positioning reinforcement bars of precast beam guardrails and construction method of adjustable jig frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926062.8A CN110539099B (en) | 2019-09-27 | 2019-09-27 | Adjustable jig frame for positioning reinforcement bars of precast beam guardrails and construction method of adjustable jig frame |
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| Publication Number | Publication Date |
|---|---|
| CN110539099A CN110539099A (en) | 2019-12-06 |
| CN110539099B true CN110539099B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910926062.8A Active CN110539099B (en) | 2019-09-27 | 2019-09-27 | Adjustable jig frame for positioning reinforcement bars of precast beam guardrails and construction method of adjustable jig frame |
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| CN (1) | CN110539099B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700447A (en) * | 2022-03-28 | 2022-07-05 | 中铁四局集团第五工程有限公司 | Anticollision barrier reinforcing bar location mould |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203537A (en) * | 1988-02-05 | 1989-08-16 | Takenaka Komuten Co Ltd | Src precast beam and junction structure of column and beam |
| CN107386119A (en) * | 2017-07-26 | 2017-11-24 | 中交公局第二工程有限公司 | A kind of variable cross-section beam sections type variable framework of steel reinforcement construction moulding bed device |
| CN207227958U (en) * | 2017-07-26 | 2018-04-13 | 中交一公局第二工程有限公司 | Variable cross-section beam sections type variable framework of steel reinforcement construction moulding bed device |
| CN108560417A (en) * | 2018-05-24 | 2018-09-21 | 中交路桥华南工程有限公司 | The rapid constructing method and positioning moulding bed of guardrail |
| KR101958213B1 (en) * | 2018-08-28 | 2019-03-14 | 백채환 | Apparatus and method for manufacturing preformed bar arranged structure for construction |
| CN208618274U (en) * | 2018-06-29 | 2019-03-19 | 中交二公局第四工程有限公司 | A kind of assembled steel reinforced binding moulding bed group suitable for different size Precast T-Beams |
| CN210818054U (en) * | 2019-09-27 | 2020-06-23 | 中交第一航务工程局有限公司 | Adjustable jig frame for positioning precast beam guardrail reinforcing steel bars |
-
2019
- 2019-09-27 CN CN201910926062.8A patent/CN110539099B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203537A (en) * | 1988-02-05 | 1989-08-16 | Takenaka Komuten Co Ltd | Src precast beam and junction structure of column and beam |
| CN107386119A (en) * | 2017-07-26 | 2017-11-24 | 中交公局第二工程有限公司 | A kind of variable cross-section beam sections type variable framework of steel reinforcement construction moulding bed device |
| CN207227958U (en) * | 2017-07-26 | 2018-04-13 | 中交一公局第二工程有限公司 | Variable cross-section beam sections type variable framework of steel reinforcement construction moulding bed device |
| CN108560417A (en) * | 2018-05-24 | 2018-09-21 | 中交路桥华南工程有限公司 | The rapid constructing method and positioning moulding bed of guardrail |
| CN208618274U (en) * | 2018-06-29 | 2019-03-19 | 中交二公局第四工程有限公司 | A kind of assembled steel reinforced binding moulding bed group suitable for different size Precast T-Beams |
| KR101958213B1 (en) * | 2018-08-28 | 2019-03-14 | 백채환 | Apparatus and method for manufacturing preformed bar arranged structure for construction |
| CN210818054U (en) * | 2019-09-27 | 2020-06-23 | 中交第一航务工程局有限公司 | Adjustable jig frame for positioning precast beam guardrail reinforcing steel bars |
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| CN110539099A (en) | 2019-12-06 |
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