CN214725217U - Unequal-span and different-bottom-width adjustable T-shaped beam prefabricating pedestal - Google Patents
Unequal-span and different-bottom-width adjustable T-shaped beam prefabricating pedestal Download PDFInfo
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- CN214725217U CN214725217U CN202120873860.1U CN202120873860U CN214725217U CN 214725217 U CN214725217 U CN 214725217U CN 202120873860 U CN202120873860 U CN 202120873860U CN 214725217 U CN214725217 U CN 214725217U
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- concrete
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- 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 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 238000003466 welding Methods 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 210000001503 joint Anatomy 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application relates to the technical field of prefabricated pedestal, and discloses a non-uniform-span T-shaped beam prefabricated pedestal with an adjustable bottom width, including concrete, transverse steel bar, longitudinal steel bar and supporting plate, the welding has fastening bolt and fixed steel bar on the transverse steel bar, fixed connection between I-steel and the fastening bolt, the welding between channel-section steel and the fixed steel bar, the horizontal both sides of supporting plate are rotated and are connected with the rotation bolt, the top below fixedly connected with nut of channel-section steel, and threaded connection between nut and the rotation bolt. This scheme is through settling the horizontal reinforcement and indulging the reinforcing bar in the concrete to welding fastening bolt and fixed reinforcement on the reinforcing bar, through carrying out fixed connection between fastening bolt and the I-steel, support the intermediate position of backup pad, through welding between fixed reinforcement and the channel-section steel, can realize the regulation of height through the cooperation between rotation bolt and the nut between backup pad and the channel-section steel, when taking place to subside, can be convenient adjust.
Description
Technical Field
The application relates to the field of prefabricated pedestals, in particular to a T-shaped beam prefabricated pedestal with unequal span and adjustable bottom width.
Background
The prefabricated T-beam bridge can be produced in a factory, is erected by adopting bridging equipment, has the advantages of high safety, simplicity and convenience in operation, controllable quality, low cost and the like, and is widely applied to multi-span beam bridge construction. At present, the prefabricated T-beam is usually produced by a post-tensioning method, namely, the procedures of steel bar binding, template installation, concrete pouring, prestress construction and the like are completed on a pedestal of a beam-making yard, and then the prefabricated T-beam is hoisted and erected, wherein the production procedures are completed on the pedestal.
When the pedestal design is carried out on site, the size and the construction requirement of the pedestal are often determined according to the span of the T beam and the width of the beam bottom; common prefabricated T-shaped beams have 20m span, 30m span, 40m span and 50m span, the corresponding bottom widths are different, and the common method is to arrange corresponding beam-making pedestals aiming at beams of each span type, wherein the arrangement thought needs a large enough beam-making field, and needs to arrange enough pedestals to meet the prefabrication of T-shaped beams with different spans.
In view of the above-mentioned related art, the inventor believes that there is a defect that the width of the precast beam pedestal is fixed, and the applicability is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the application provides a T-shaped beam prefabricating pedestal with unequal span and adjustable bottom width.
The application provides a T type roof beam prefabrication pedestal that different end width is adjustable is striden to non-uniform adopts following technical scheme:
the utility model provides a wide adjustable T type roof beam prefabrication pedestal of different end of non-uniform span, includes the concrete, the inside arrangement of concrete has the transverse reinforcement and indulges the reinforcing bar, and the transverse reinforcement with indulge between the reinforcing bar and articulate through the iron wire, the top of concrete is provided with the backup pad, the welding has fastening bolt and fixed reinforcement on the transverse reinforcement, be provided with the I-steel on the concrete, and the both sides of I-steel are provided with the channel-section steel, fixed connection between I-steel and the fastening bolt, the welding between channel-section steel and the fixed reinforcement, the horizontal both sides of backup pad are rotated and are connected with the rotation bolt, the top below fixedly connected with nut of channel-section steel, and threaded connection between nut and the rotation bolt.
Through adopting above-mentioned technical scheme, the inside reinforcing bar of concrete carries out fixed connection through fastening bolt and fixed steel bar to the I-steel and the channel-section steel of top, and the threaded connection between nut and the rotation bolt realizes the convenient adjustment to the backup pad height.
Preferably, the rotating bolt is of a T-shaped structure, the top end of the rotating bolt is embedded in the supporting plate, and a hexagonal prism is integrally formed at the bottom of the rotating bolt.
Through adopting above-mentioned technical scheme, the hexagonal prism of rotating the bolt bottom is convenient for the spanner to its operation, makes it rotate between with fixed nut, and vertical height changes.
Preferably, the top end of the fastening bolt is connected with a nut in a threaded mode, the nut is located above the lower end horizontal end face of the I-steel and used for fixing the position of the I-steel, and a plurality of windows are formed in the vertical section of the channel steel.
Through adopting above-mentioned technical scheme, the threaded connection between fastening bolt and the nut is fixed the position of I-steel, and the window of seting up on the channel-steel is used for the convenient operation to the nut.
Preferably, the transverse steel bars are positioned on the outer sides of the two fixed steel bars and provided with butt bolts welded with the transverse steel bars, the butt bolts are connected with threaded sleeves in a threaded manner, and the concrete is provided with accommodating grooves for accommodating the threaded sleeves.
Through adopting above-mentioned technical scheme, the top integrated into one piece of swivel nut has the hexagonal prism, and the spanner of being convenient for is to its operation, and the swivel nut protects butt bolt, avoids during the concrete gets into its screw thread.
Preferably, when the thread insert is taken down on the butt bolt, the butt bolt is connected with the welding sleeve in a threaded manner, the welding sleeve protrudes out of the concrete, and the top end of the welding sleeve is welded with the channel steel.
Through adopting above-mentioned technical scheme, the welding cover is used for welding between the subsequent channel-section steel, fixes the position of channel-section steel to increase the width of backup pad, hoisting device's application scope.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the transverse steel bars and the longitudinal steel bars are arranged in the concrete, the fastening bolts and the fixed steel bars are welded on the steel bars, the fastening bolts are fixedly connected with the I-shaped steel bars, the middle position of the supporting plate is supported, the fixed steel bars are welded with the channel steel, the supporting plate and the channel steel are matched through the rotating bolts and the nuts to realize height adjustment, and when settlement occurs, the height adjustment can be conveniently carried out;
2. through taking off the swivel nut on the butt bolt to threaded connection welding cover through the welding between welding cover and the channel-section steel, realizes the rigidity to newly-increased channel-section steel, thereby realizes to the support of backup pad, with this realization to the expansion of backup pad width, hoisting device's suitability.
Drawings
FIG. 1 is a schematic structural diagram of an application example in a front view.
FIG. 2 is a schematic side view of the claimed embodiment.
Fig. 3 is a schematic view of an alternative structure at a in the application example.
Description of reference numerals: 1. concrete; 2. transverse reinforcing steel bars; 3. longitudinal reinforcing steel bars; 4. a support plate; 5. i-shaped steel; 6. channel steel; 7. fastening a bolt; 8. fixing the steel bars; 9. rotating the bolt; 10. a nut; 11. a butt bolt; 12. a threaded sleeve; 13. welding a sleeve; 14. a viewing window.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a T-shaped beam prefabricating pedestal with unequal span and adjustable bottom width. Referring to fig. 1, a non-equal span and different bottom width adjustable T-shaped beam prefabricating pedestal comprises a concrete 1, a transverse steel bar 2 and a longitudinal steel bar 3 are arranged inside the concrete 1, the transverse steel bar 2 and the longitudinal steel bar 3 are hinged through an iron wire, a support plate 4 is arranged above the concrete 1, the support plate 4 is of a steel structure, the width is changed according to requirements, a fastening bolt 7 and a fixed steel bar 8 are welded on the transverse steel bar 2, two fastening bolts 7 and two fixed steel bars 8 are arranged on the same horizontal line, an I-shaped steel 5 is arranged on the concrete 1, channel steels 6 are arranged on two sides of the I-shaped steel 5, the I-shaped steel 5 and the fastening bolt 7 are fixedly connected, the channel steel 6 and the fixed steel bar 8 are welded, a nut 10 is connected to the top end of the fastening bolt 7 through a thread, the nut 10 is arranged above the lower end horizontal surface of the I-shaped steel 5, and fixes the position of the I-shaped steel 5, a plurality of windows 14 are formed in the vertical section of the channel steel 6, the fastening bolt 7 is observed and operated through the windows 14, and threaded connection between the nut 10 and the fastening bolt is facilitated.
Referring to fig. 1 and 2, the horizontal both sides of backup pad 4 are rotated and are connected with rotation bolt 9, the top below fixedly connected with nut 10 of channel-section steel 6, and threaded connection between nut 10 and the rotation bolt 9, rotation bolt 9 is T shape structure, and the top of rotating bolt 9 inlays and locates inside backup pad 4, T shape structure is convenient for guarantee to rotate bolt 9 axial position and is stable, and the bottom integrated into one piece of rotating bolt 9 has the hexagonal prism, the prismatic diagonal length of hexagonal is less than the diameter of rotating bolt 9, rotate between nut 10 through rotating bolt 9 and fixed and connect, the realization is to the altitude mixture control of backup pad 4.
Referring to fig. 1 and 3, the outside that the horizontal reinforcement 2 is located two fixed steel bars 8 is provided with horizontal reinforcement 2 welded butt joint bolt 11, threaded connection has swivel nut 12 on the butt joint bolt 11, offer the resettlement groove that is used for settling swivel nut 12 on the concrete 1, swivel nut 12 protects butt joint bolt 11, the top of swivel nut 12 is provided with hexagonal prism, the spanner of being convenient for operates it, when swivel nut 12 takes off on the butt joint bolt 11, threaded connection has welding sleeve 13 on the butt joint bolt 11, and the outstanding concrete 1 setting of welding sleeve 13, and weld between welding sleeve 13's top and the channel-section steel 6, the top of welding sleeve 13 is pegged graft to in the 6 hole grooves of newly-increased channel-section steel, through and the welding between the channel-section steel 6, realize the rigidity.
The implementation principle of the non-equal-span T-shaped beam prefabricating pedestal with the adjustable bottom width is as follows: the method comprises the following steps that woven transverse steel bars 2 and longitudinal steel bars 3 are placed inside a concrete 1 in a pouring process, after the concrete 1 is solidified, I-shaped steel 5 is installed on two fastening bolts 7 and fixed through nuts 10, the middle position of a supporting plate 4 on the top of the I-shaped steel 5 is supported, channel steel 6 is fixed on two fixing steel bars 8, the supporting plate 4 is placed on two channel steel 6 through welding between the fixing steel bars 8 and the channel steel 6, rotating bolts 9 are aligned with mounting holes in the channel steel 6, the position of the supporting plate 4 is fixed through threaded connection between the nuts 10 and the rotating bolts 9, and when the bottom of the rotating bolts 9 is operated, the upper end face of the supporting plate 4 can be leveled, and the upper end face of the supporting plate is guaranteed to be always located in a reasonable error range; when the length of the supporting plate 4 needs to be increased, the threaded sleeve 12 on the butt bolt 11 is taken down, the welding sleeve 13 is connected to the butt bolt 11 in a threaded mode, the welding sleeve 13 and the channel steel 6 are welded, the newly added channel steel 6 is fixed in position, the supporting plate 4 with the larger width is used instead, and therefore the T-shaped beams with different widths in the same area are manufactured.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a prefabricated pedestal of wide adjustable T type roof beam of different end of non-uniform span, includes concrete (1), the inside arrangement of concrete (1) has horizontal reinforcing bar (2) and indulges reinforcing bar (3), and articulates through the iron wire between horizontal reinforcing bar (2) and indulge reinforcing bar (3), the top of concrete (1) is provided with backup pad (4), its characterized in that: the welding has fastening bolt (7) and fixed steel bar (8) on horizontal reinforcement (2), be provided with I-steel (5) on concrete (1), and the both sides of I-steel (5) are provided with channel-section steel (6), fixed connection between I-steel (5) and fastening bolt (7), weld between channel-section steel (6) and fixed steel bar (8), the horizontal both sides of backup pad (4) are rotated and are connected with rotation bolt (9), the top below fixedly connected with nut (10) of channel-section steel (6), and threaded connection between nut (10) and rotation bolt (9).
2. The precast platform for the T-shaped beam with unequal span and adjustable bottom width according to claim 1, is characterized in that: the rotary bolt (9) is of a T-shaped structure, the top end of the rotary bolt (9) is embedded in the support plate (4), and a hexagonal prism is integrally formed at the bottom of the rotary bolt (9).
3. The precast platform for the T-shaped beam with unequal span and adjustable bottom width according to claim 1, is characterized in that: the top end threaded connection of fastening bolt (7) has nut (10), and nut (10) are located the lower extreme horizontal end face top of I-steel (5), fix the position of I-steel (5), a plurality of windows (14) have been seted up on the vertical section of channel-section steel (6).
4. The precast platform for the T-shaped beam with unequal span and adjustable bottom width according to claim 1, is characterized in that: the outer side of the transverse reinforcing steel bar (2) located at the two fixed reinforcing steel bars (8) is provided with a butt bolt (11) welded with the transverse reinforcing steel bar (2), the butt bolt (11) is connected with a threaded sleeve (12) in a threaded manner, and a placement groove for placing the threaded sleeve (12) is formed in the concrete (1).
5. The precast platform for the T-shaped beam with unequal span and adjustable bottom width according to claim 4, is characterized in that: when swivel nut (12) was taken off on butt bolt (11), threaded connection has welding set (13) on butt bolt (11), and welding set (13) outstanding concrete (1) setting to weld between the top of welding set (13) and channel-section steel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873860.1U CN214725217U (en) | 2021-04-26 | 2021-04-26 | Unequal-span and different-bottom-width adjustable T-shaped beam prefabricating pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873860.1U CN214725217U (en) | 2021-04-26 | 2021-04-26 | Unequal-span and different-bottom-width adjustable T-shaped beam prefabricating pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214725217U true CN214725217U (en) | 2021-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120873860.1U Expired - Fee Related CN214725217U (en) | 2021-04-26 | 2021-04-26 | Unequal-span and different-bottom-width adjustable T-shaped beam prefabricating pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214725217U (en) |
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2021
- 2021-04-26 CN CN202120873860.1U patent/CN214725217U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |