CN215561988U - Auxiliary supporting system for construction of support hinge girder - Google Patents
Auxiliary supporting system for construction of support hinge girder Download PDFInfo
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- CN215561988U CN215561988U CN202121707933.6U CN202121707933U CN215561988U CN 215561988 U CN215561988 U CN 215561988U CN 202121707933 U CN202121707933 U CN 202121707933U CN 215561988 U CN215561988 U CN 215561988U
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Abstract
The utility model relates to an auxiliary support system for the construction of a hinged girder, which comprises an I-steel embedded part, a Bailey beam, a support beam, a steel pipe bent frame, an I-steel connecting beam and a bottom template bent frame; the I-shaped steel embedded part is embedded in the gate pier, and one end of the I-shaped steel embedded part is exposed out of the side wall; the Bailey beam is positioned between the gate piers and connected with the I-shaped steel embedded part through the support beams, and the support beams are symmetrically arranged on two sides of the bottom of the Bailey beam; the steel pipe bent is positioned above the Bailey beam and is connected with the Bailey beam through an I-shaped steel connecting beam; the bottom formwork bent frame is located above the steel pipe bent frame, the steel pipe bent frame is connected with the bottom formwork bent frame through a jacking adjusting screw rod, and a bottom formwork of the first-layer concrete pouring formwork of the support hinge girder can be laid on the bottom formwork bent frame. The utility model can reduce the construction difficulty and risk coefficient, shorten the construction period, simultaneously have relatively few engineering measures and ensure the construction quality.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to an auxiliary support system for construction of a hinged girder.
Background
In recent years, a surface hole support hinge girder is an important structural building in water conservancy and hydropower dam engineering. Regarding high arch dams, the general flood discharge flow is big, the surface hole is many, and the surface hole hinge girder general section is big, the span is long, and the construction requirement is high. The surface hole support hinge girder is used as an important stressed member of the high arch dam, and construction needs a plurality of processes and links. Any procedure and link have problems, and the whole construction quality can not be ensured. The construction technology of the existing surface hole support hinge girder is high in difficulty, high in risk coefficient, long in construction period, relatively many in engineering measures and difficult to guarantee construction quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an auxiliary support system for the construction of the hinged girder, which can reduce the construction difficulty and risk coefficient, shorten the construction period, simultaneously reduce the engineering measures and ensure the construction quality.
The technical scheme adopted by the utility model is as follows:
an auxiliary support system for the construction of a hinged girder comprises an I-steel embedded part, a Bailey beam, a support beam, a steel pipe bent frame, an I-steel connecting beam and a bottom template bent frame; the I-shaped steel embedded part is embedded in the gate pier, and one end of the I-shaped steel embedded part is exposed out of the side wall; the Bailey beam is positioned between the gate piers and connected with the I-shaped steel embedded part through the support beams, and the support beams are symmetrically arranged on two sides of the bottom of the Bailey beam; the steel pipe bent is positioned above the Bailey beam and is connected with the Bailey beam through an I-shaped steel connecting beam; the bottom formwork bent frame is located above the steel pipe bent frame, the steel pipe bent frame is connected with the bottom formwork bent frame through a jacking adjusting screw rod, and a bottom formwork of the first-layer concrete pouring formwork of the support hinge girder can be laid on the bottom formwork bent frame.
Furthermore, the I-steel embedded part is arranged at one end in the gate pier and is reinforced and buried in the gate pier through mesh reinforcing steel bars.
Furthermore, the Bailey beam is composed of a plurality of Bailey frames, and the bottoms of the two ends of each Bailey frame are connected with the supporting beams through bolts; the bailey truss group is composed of a plurality of bailey truss sheets which are arranged at equal intervals and connected at two ends through bailey trusses to form the bailey truss group; the bailey truss sheets are formed by bolting a plurality of bailey trusses through bailey pins.
Further, the top and the bottom of the bailey truss piece are also provided with reinforcing chords, and the bailey truss piece is connected with the reinforcing chords through bolts.
Furthermore, still be equipped with a plurality of reinforcement tie-beams on the bailey roof beam, reinforcement tie-beam passes a plurality of bailey frame pieces, and with a supporting beam parallel arrangement, reinforcement tie-beam passes through U type bolt and is connected with the lower reinforcing chord member of bailey frame piece bottom.
Further, the steel pipe bent is connected through the fastener by little horizontal pole, big horizontal pole, pole setting and is set up and constitute, and the bottom of steel pipe bent is equipped with the pole of sweeping the ground, and front and side are equipped with bridging and horizontal bracing.
Furthermore, the bottom of the vertical rod is welded with the I-shaped steel connecting beam, and the top of the vertical rod is in threaded connection with the jacking adjusting screw rod.
The utility model has the beneficial effects that:
the auxiliary support system for the construction of the support hinge girder changes the construction process of the traditional support hinge girder, portal crane girder and traffic bridge, and the support of the steel pipe bent frame and the bottom template bent frame can be formed by simply installing the Bailey girder and hoisting the Bailey girder to the space between the gate piers; after the bottom die of the first-layer concrete pouring template of the hinge girder is laid, simultaneously pouring concrete into the gate pier and the hinge girder, and finally dismantling the auxiliary support system for the hinge girder construction; therefore, the construction difficulty and risk coefficient are reduced, the construction period is shortened, meanwhile, the engineering measures are relatively few, and the construction quality can be guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a Bailey beam according to the present invention;
in the drawings 1-2, 1 is an I-steel embedded part, 2 is a Bailey beam, 3 is a supporting beam, 4 is a steel pipe bent, 5 is an I-steel connecting beam, 6 is a bottom formwork bent, 7 is a gate pier, 8 is a jacking adjusting screw rod, 9 is a bottom die, 10 is a mesh reinforcing steel bar, 11 is a reinforcing chord rod, and 12 is a reinforcing connecting beam.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-2, the utility model relates to an auxiliary support system for the construction of an articulated girder, which comprises an I-steel embedded part 1, a bailey beam 2, a support beam 3, a steel pipe bent frame 4, an I-steel connecting beam 5 and a bottom formwork bent frame 6. The I-shaped steel embedded part 1 is embedded in the gate pier 7, and one end of the I-shaped steel embedded part is exposed out of the side wall; in order to increase the strength of the I-steel embedded part 1, one end of the I-steel embedded part 1, which is positioned in the gate pier 7, can be reinforced and embedded in the gate pier 7 through the mesh steel bar 10. The Bailey beam 2 is positioned between the gate piers 7 and is connected with the I-shaped steel embedded part 1 through the support beams 3, and the support beams 3 are symmetrically arranged on two sides of the bottom of the Bailey beam 2; the steel pipe bent frame 4 is positioned above the Bailey beam 2 and is connected with the Bailey beam 2 through an I-shaped steel connecting beam 5; bottom template bent frame 6 is located steel pipe bent frame 4 top, and steel pipe bent frame 4 is connected with bottom template bent frame 6 through jacking adjusting screw 8, adjusts screw 8 through the jacking, can adjust bottom template bent frame 6 when 2 small-amplitude bene roof beams, guarantees the planarization of bottom template bent frame 6. The bottom die 9 of the first-layer concrete pouring template of the hinge girder can be laid on the bottom template bent frame 6.
The specific structure of the bailey beam 2:
the bailey beam 2 is composed of a plurality of bailey frames, and the bottoms of two ends of each bailey frame are connected with the supporting beam 3 through bolts; the bailey truss group is composed of a plurality of bailey truss sheets which are arranged at equal intervals and connected at two ends through bailey trusses to form the bailey truss group; the bailey truss sheets are formed by bolting a plurality of bailey trusses through bailey pins.
In order to increase the strength of the bailey beam 2, reinforcing chords 11 can be additionally arranged at the top and the bottom of the bailey truss pieces, and the bailey truss pieces are connected with the reinforcing chords 11 through bolts. In addition, still can add a plurality of reinforcement tie-beams 12 on bailey roof beam 2, reinforcement tie-beam 12 passes a plurality of bailey truss pieces, and with supporting beam 3 parallel arrangement, reinforcement tie-beam 12 is connected with lower reinforcement chord 11 of bailey truss piece bottom through the U type bolt.
The concrete structure of the steel tube bent frame 4:
the steel pipe bent 4 is formed by connecting and erecting small cross rods, large cross rods and upright rods through fasteners. In order to ensure the stability of the steel pipe bent frame 4, the bottom of the steel pipe bent frame 4 is also provided with a floor sweeping rod, and the front side and the side surface of the steel pipe bent frame are provided with a scissor support and a transverse inclined support. The bottom of the upright rod is welded with the I-shaped steel connecting beam 5, and the top of the upright rod is in threaded connection with the jacking adjusting screw rod 8.
When the auxiliary support system for the construction of the hinged girder is used for constructing the hinged girder, the portal crane girder and the traffic bridge, firstly, the I-shaped steel embedded parts 1 are embedded in the gate pier 7, and the number of the I-shaped steel embedded parts 1 can be calculated according to the required bearing capacity; then integrally hoisting the assembled Bailey beam 2 between gate piers 7, and connecting the support beam 3 with the I-steel embedded part 1 to form a support of a steel pipe bent frame 4 and a bottom template bent frame 6; and finally, after the bottom die 9 of the first-layer concrete pouring template of the hinge girder is paved, pouring concrete on the gate pier 7 and the hinge girder at the same time, removing the template, the steel pipe bent frames 4 and the Bailey beam 2 after the concrete pouring reaches the working strength, and finally cutting off the I-shaped steel embedded part 1.
Claims (7)
1. The utility model provides a braced girder construction auxiliary stay system which characterized in that: the auxiliary support system for the construction of the hinged girder comprises an I-steel embedded part, a Bailey beam, a support beam, a steel pipe bent frame, an I-steel connecting beam and a bottom template bent frame; the I-shaped steel embedded part is embedded in the gate pier, and one end of the I-shaped steel embedded part is exposed out of the side wall; the Bailey beam is positioned between the gate piers and connected with the I-shaped steel embedded part through the support beams, and the support beams are symmetrically arranged on two sides of the bottom of the Bailey beam; the steel pipe bent is positioned above the Bailey beam and is connected with the Bailey beam through an I-shaped steel connecting beam; the bottom formwork bent frame is located above the steel pipe bent frame, the steel pipe bent frame is connected with the bottom formwork bent frame through a jacking adjusting screw rod, and a bottom formwork of the first-layer concrete pouring formwork of the support hinge girder can be laid on the bottom formwork bent frame.
2. The auxiliary support system for the construction of the articulated girder according to claim 1, wherein: one end of the I-shaped steel embedded part, which is positioned in the gate pier, is reinforced and embedded in the gate pier through mesh reinforcing steel bars.
3. The auxiliary support system for the construction of the articulated girder according to claim 1, wherein: the Bailey beam is composed of a plurality of Bailey frames, and the bottoms of the two ends of each Bailey frame are connected with the supporting beams through bolts; the bailey truss group is composed of a plurality of bailey truss sheets which are arranged at equal intervals and connected at two ends through bailey trusses to form the bailey truss group; the bailey truss sheets are formed by bolting a plurality of bailey trusses through bailey pins.
4. The auxiliary support system for the construction of the articulated girder according to claim 3, wherein: and reinforcing chords are further arranged at the top and the bottom of the bailey truss piece, and the bailey truss piece is connected with the reinforcing chords through bolts.
5. The auxiliary support system for the construction of the articulated girder according to claim 4, wherein: still be equipped with a plurality of reinforcement tie-beams on the bailey roof beam, reinforcement tie-beam passes a plurality of bailey frame pieces, and with a supporting beam parallel arrangement, reinforcement tie-beam passes through the lower reinforcing chord member of U type bolt and bailey frame piece bottom and is connected.
6. The auxiliary support system for the construction of the articulated girder according to claim 1, wherein: the steel pipe bent is constructed by connecting and erecting small cross rods, large cross rods and upright rods through fasteners, the bottom of the steel pipe bent is provided with a floor sweeping rod, and the front and the side surfaces of the steel pipe bent are provided with a scissor support and a transverse inclined support.
7. The auxiliary support system for the construction of the articulated girder according to claim 6, wherein: the bottom of the upright rod is welded with the I-shaped steel connecting beam, and the top of the upright rod is in threaded connection with the jacking adjusting screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121707933.6U CN215561988U (en) | 2021-07-26 | 2021-07-26 | Auxiliary supporting system for construction of support hinge girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121707933.6U CN215561988U (en) | 2021-07-26 | 2021-07-26 | Auxiliary supporting system for construction of support hinge girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215561988U true CN215561988U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121707933.6U Active CN215561988U (en) | 2021-07-26 | 2021-07-26 | Auxiliary supporting system for construction of support hinge girder |
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| Country | Link |
|---|---|
| CN (1) | CN215561988U (en) |
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2021
- 2021-07-26 CN CN202121707933.6U patent/CN215561988U/en active Active
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