CN201671063U - Movable steel base for construction precast beams and standard knot thereof - Google Patents
Movable steel base for construction precast beams and standard knot thereof Download PDFInfo
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- CN201671063U CN201671063U CN2010202013643U CN201020201364U CN201671063U CN 201671063 U CN201671063 U CN 201671063U CN 2010202013643 U CN2010202013643 U CN 2010202013643U CN 201020201364 U CN201020201364 U CN 201020201364U CN 201671063 U CN201671063 U CN 201671063U
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- angle steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 164
- 239000010959 steel Substances 0.000 title claims abstract description 164
- 238000010276 construction Methods 0.000 title abstract description 12
- 238000003466 welding Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a movable steel base for construction precast beams and a standard knot thereof. The standard knot comprises a beam bottom template and a supporting seat connected with the beam bottom template by bolts, wherein first channel steel is symmetrically arranged at the two sides of the lower part of a first steel plate of the beam bottom template, and first angle steel is fixedly connected between the first channel steel at the two sides; second angle steel of the supporting seat are symmetrically arranged at the bottom and contacted with the ground, and third angle steel is arranged above the second angle steel; second channel steel is arranged on the third angle steel, and fourth angle steel is arranged between the second channel steel at one side of the supporting seat and the second angle steel at the other side; and third steel plates are arranged at the front end and the back end, and a second steel plate is arranged between the first channel steel and the second channel steel. The movable steel base is spliced by the standard knots through the bolts. The utility model has short construction time and low cost, and can be repeatedly used at different work sites.
Description
Technical field
The utility model relates to the working interim ancillary works of a kind of precast beam, and especially a kind of is movable steel base and the standard knot thereof that constructing prefabricated beam is used.
Background technology
Will cross over the mountain valley, gully at the mountain area building highway, high bridge is many, and roadbed digs that amount of fill is big, and the smooth place of no bulk can be used for beam prefabricated, and cast-in-place beam is because of the cost reason, and most bridges adopt precast beams.At present, generally making the pedestal that precast beam uses is the concrete pedestal, surface shop steel plate or use terrazzo concrete.The concrete pedestal engineering time is long, and the manufacturing cost height, need transport the construction that just can descend the sheet beam after precast beam is finished.
The utility model content
The technical problems to be solved in the utility model provides movable steel base and the standard knot thereof that a kind of engineering time is short, cost is low, reusable constructing prefabricated beam is used.
For solving the problems of the technologies described above, the technical scheme that the manufacturer's standard joint is taked in the utility model is: the movable steel base standard knot that a kind of constructing prefabricated beam is used, its key technology are to comprise in the structure beam bottom board plate and the supporting base that connects with the beam bottom board plate by bolt; The first steel plate bottom in the described beam bottom board plate is positioned at its left and right sides and is arranged with first channel-section steel, is connected with first angle steel in the middle of first channel-section steel of the described left and right sides; Second angle steel in the described supporting base is symmetricly set in the bottom, and contact with ground, second angle steel top is provided with the third angle steel, be provided with second channel-section steel above the third angle steel, be provided with the 4th angle steel between second channel-section steel of described supporting base one side and second angle steel of opposite side, the supporting base rear and front end is equipped with the 3rd steel plate; Be provided with second steel plate between first channel-section steel and second channel-section steel.Above-mentioned the 3rd steel plate is provided with bolt hole, can connect adjacent standard knot by bolt.The parts on the second steel plate top are formed the beam bottom board plate portion, and the parts of the second steel plate bottom are formed the supporting base part.About the description of position relation (such as both sides, two ends etc.), be benchmark in the technique scheme with accompanying drawing 2 sectional views.
Preferably, above-mentioned first steel plate and the welding of first channel-section steel are welded between first angle steel and first channel-section steel; Second angle steel and the welding of third angle steel; The 4th angle steel and the welding of second channel-section steel are welded between the 4th angle steel and second angle steel.
Below the bolt of above-mentioned tie-beam soffit formwork and supporting base (promptly being connected the bolt between first channel-section steel and second channel-section steel) be provided with lock washer, be used for the gradient of smooth channel-section steel limb.
The technical scheme that movable steel base adopted that constructing prefabricated beam is used in the utility model is by above-mentioned standard knot manufacturing, connect as one by bolt between the two adjacent standard knots, the standard knot of movable steel base termination is the termination base, the standard knot adjacent with the termination base is end seat, is placed with the lifting template between termination base and the end seat; Described lifting template comprises the 4th steel plate of being located at top, be symmetricly set in the 3rd channel-section steel of both sides, the 4th steel plate bottom and be arranged at the 5th angle steel between the 3rd channel-section steel of both sides.Above-mentioned termination base is identical with other standard knot structures with the structure of end seat, just supportingly between the 6th steel plate of the 5th steel plate on base top, termination and end seat be provided with a platform, this platform is used for placing the lifting template, only need during manufacturing the 5th steel plate and the 6th steel plate are made weak point a bit, thereby form the platform that a depression is gone down, can on this platform, place the hole for hoist template.Termination base and end seat and other standard knots are not fixed together, end seat and other standard knots connect as one, the hole for hoist template place that is provided with between termination base and the end seat forms a hole for hoist, after the prefabricated stretch-draw of beam body is finished, use jack from hole for hoist template jack-up beam body or direct lifting beam body.
Adopt the beneficial effect that technique scheme produced to be: the utility model is applicable to that the place is narrower and small, near do not have Liang Chang, and not having under the situation in the smooth place of bulk construction uses, precast beam for different length, can utilize this movable steel base standard knot to be assembled into the movable steel base of Len req, and process the width of movable steel base according to the width of precast beam, it has the following advantages: 1, the utility model engineering time is shorter than construction concrete pedestal.
2, the utility model can reuse, and can be used as circulation material, puts use different workers, can be transported to another building site after a building site is used to complete and continue to use.
3, be particluarly suitable for place when narrower and small (can prefabricated several or tens beam positions) and use, after beam prefabricated finishing, extract movable steel base out, and do not move beam, beam can be placed on the original place.
4, can adjust the camber of precast beam, adjust by the thickness of adjusting second steel plate.
Description of drawings
Fig. 1 is the lateral view of this standard knot;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the rough schematic view of this movable steel base;
Fig. 4 is the schematic diagram of this lifting template;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is the structural representation of this movable steel base;
Fig. 7 is the schematic diagram of lock washer;
Fig. 8 is the C-C sectional view of Fig. 7;
Fig. 9 is the schematic diagram of second steel plate;
Figure 10 is the schematic diagram of the 3rd steel plate;
Figure 11 is the schematic diagram of third angle steel;
Figure 12 is the schematic diagram of the 4th angle steel;
Wherein, 1, first steel plate; 2, first angle steel; 3, first channel-section steel; 4, second steel plate; 5, second channel-section steel; 6, third angle steel; 7, second angle steel; 8, the 4th angle steel; 9, the 3rd steel plate; 10, bolt; 11, standard knot; 12, end seat; 13, hole for hoist template; 14, termination base; 15, the 4th steel plate; 16, the 3rd channel-section steel; 17, the 5th angle steel; 18, bolt hole; 19, platform; 20, lock washer; 21, the 6th steel plate; 22, the 5th steel plate.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Referring to accompanying drawing 2, be divided into two parts on each standard knot structure, top is the beam bottom board plate portion, comprises first steel plate 1, first channel-section steel 3 and first angle steel 2; The bottom is the supporting base part, and structure comprises second angle steel 7, third angle steel 6, second channel-section steel 5, the 4th angle steel 8 and the 3rd steel plate 9.Spot welding connects between first steel plate 1 and following first channel-section steel 3 and first angle steel 2, first channel-section steel 3 is located at the both sides of first steel plate 1, be welded with plug rubber tubes in first angle steel, 2, the first channel-section steels 3 between two first channel-section steels, spillage herein when preventing the precast beam concrete pouring.Second angle steel 7 contacts with ground, and third angle steel 6 is arranged at top, bears vertical load, and second channel-section steel 5 on top can be strengthened the rigidity of supporting part, and the beam bottom board plate portion connects.Left and right sides two parts of supporting base use 8 interconnections of the 4th angle steel, make supporting base form an integral body.Be welding between each parts of supporting base part.Referring to accompanying drawing 1, the 3rd steel plate 9 of supporting base part is located at standard knot two ends position, is provided with bolt hole 18 above it, by bolt adjacent standard knot assembly unit is got up.Be provided with second steel plate 4 between first channel-section steel 3 and second channel-section steel 5, two parts link up by bolt 10 up and down, and lock washer 20 is used in bolt 10 bottoms, and lock washer is used for the gradient of smooth channel-section steel limb.By being lined with second steel plate 4 of different-thickness,, can adjust the antiarch of beam bottom board plate such as 1,2,3 and many kinds of 5mm.The beam bottom board plate portion on top connects by bolt 10 with the supporting part of bottom.
Referring to accompanying drawing 3～accompanying drawing 6, for the precast beam of different length, but the movable steel base of assembly unit Len req construct, for the precast beam of different in width, movable steel base is processed by required width.Adopt Bolt Connection between the adjacent standard knot, termination base 14 is not connected with other standard knots.The hole for hoist template is positioned between termination base 14 and the termination base 12.
Should also harden in first smooth place before adopting the utility model construction, sclerosis thickness is different with the place frequency of utilization according to the place geological condition, is generally 10～20cm, and 10～15cm can only harden on the roadbed that construction is finished.When harden in the place,, perhaps adopt expansion bolt, be used for fixing the utility model at planned production precast beam position embedded iron parts.Be transported to the job site after the utility model finished by factory process, with bolt each several part linked up then, adjust movable steel base point-blank, be positioned in the gap of embedded iron parts the collision off normal when preventing mounting template then.If during not mobile movable steel base, can be with itself and embedded iron parts spot welding.Because the ground injustice, the supporting base part is all during kiss the earth, according to the metal mat of actual conditions use different-thickness in its underpart.The beam bottom board plate portion uses bolt to connect with supporting base, with the elevation of level gauge control beam bottom board plate portion, guarantees the level and the camber of movable steel base, uses the steel plate of different-thickness to regulate.Termination base 14 is arranged in the relevant position by beam length, after a beam making bench is finished, can carry out the precast beam construction.After the prefabricated stretch-draw of beam body is finished, use jack from lifting template jack-up beam body, the material of two bolster wood or other girders is extracted movable steel base out, reselects place assembly unit movable steel base, can descend the prefabricated construction of sheet beam.If during the different beam length of construction, but the different standard knot of assembly unit quantity, or the standard knot of processing different length makes up.If during the beam of construction different in width, can be processed into beam the utility model wide in factory.
Claims (6)
1. the movable steel base standard knot that constructing prefabricated beam is used is characterized in that: comprise beam bottom board plate and the supporting base that connects with the beam bottom board plate by bolt (10); First steel plate (1) bottom in the described beam bottom board plate is positioned at its bilateral symmetry and is provided with first channel-section steel (3), is connected with first angle steel (2) in the middle of both sides first channel-section steels (3); Second angle steel (7) in the described supporting base is symmetricly set in the bottom, and contact with ground, second angle steel (7) top is provided with third angle steel (6), be provided with second channel-section steel (5) above the third angle steel (6), be provided with the 4th angle steel (8) between second channel-section steel (5) of described supporting base one side and second angle steel (7) of opposite side, the supporting base rear and front end is equipped with the 3rd steel plate (9); Be provided with second steel plate (4) between first channel-section steel (3) and second channel-section steel (5).
2. the movable steel base standard knot that constructing prefabricated beam according to claim 1 is used is characterized in that: described first steel plate (1) and first channel-section steel (3) welding, first channel-section steel (3) and first angle steel (2) welding.
3. the movable steel base standard knot that manufacturing precast beam according to claim 1 is used is characterized in that: described bolt is provided with lock washer below (10).
4. the movable steel base standard knot that constructing prefabricated beam according to claim 1 is used is characterized in that: described second angle steel (7) and third angle steel (6) welding.
5. the movable steel base standard knot that constructing prefabricated beam according to claim 1 is used is characterized in that: described the 4th angle steel (8) and second channel-section steel (5) welding, welding between the 4th angle steel (8) and second angle steel (7).
6. movable steel base that constructing prefabricated beam is used, it is characterized in that: by the described standard knot manufacturing of one of claim 1～5, link together by bolt between the adjacent standard knot, the movable steel base two ends are positioned with termination base (14), the standard knot adjacent with termination base (14) is end seat (12), be provided with hole for hoist between termination base (14) and the end seat (12), the hole for hoist place is provided with hole for hoist template (13); The 4th steel plate (15) of the comprising of described hole for hoist template (13) being located at top, be symmetricly set in the 3rd channel-section steel (16) of the 4th steel plate (15) both sides, bottom and be arranged at the 5th angle steel (17) between both sides the 3rd channel-section steels (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202013643U CN201671063U (en) | 2010-05-25 | 2010-05-25 | Movable steel base for construction precast beams and standard knot thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202013643U CN201671063U (en) | 2010-05-25 | 2010-05-25 | Movable steel base for construction precast beams and standard knot thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201671063U true CN201671063U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202013643U Expired - Lifetime CN201671063U (en) | 2010-05-25 | 2010-05-25 | Movable steel base for construction precast beams and standard knot thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201671063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839063A (en) * | 2010-05-25 | 2010-09-22 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN102418316A (en) * | 2011-06-28 | 2012-04-18 | 江苏省交通科学研究院股份有限公司 | Direct-reading levelling method for beam bottom support and direct-reading embedded positioning levelling steel plate |
| CN105178352A (en) * | 2015-09-25 | 2015-12-23 | 重庆建工市政交通工程有限责任公司 | Bench for prefabricating adjustable T-type beams with non-equal spans and different bottom widths and construction method of bench |
| CN110722658A (en) * | 2019-10-28 | 2020-01-24 | 中交路桥建设有限公司 | Prefabrication method and device for quickly modifying T-shaped beam |
-
2010
- 2010-05-25 CN CN2010202013643U patent/CN201671063U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839063A (en) * | 2010-05-25 | 2010-09-22 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN101839063B (en) * | 2010-05-25 | 2011-08-24 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN102418316A (en) * | 2011-06-28 | 2012-04-18 | 江苏省交通科学研究院股份有限公司 | Direct-reading levelling method for beam bottom support and direct-reading embedded positioning levelling steel plate |
| CN105178352A (en) * | 2015-09-25 | 2015-12-23 | 重庆建工市政交通工程有限责任公司 | Bench for prefabricating adjustable T-type beams with non-equal spans and different bottom widths and construction method of bench |
| CN110722658A (en) * | 2019-10-28 | 2020-01-24 | 中交路桥建设有限公司 | Prefabrication method and device for quickly modifying T-shaped beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20110824 |