CN211256633U - Upper tower column formwork system of cable-stayed bridge - Google Patents
Upper tower column formwork system of cable-stayed bridge Download PDFInfo
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- CN211256633U CN211256633U CN201920625727.7U CN201920625727U CN211256633U CN 211256633 U CN211256633 U CN 211256633U CN 201920625727 U CN201920625727 U CN 201920625727U CN 211256633 U CN211256633 U CN 211256633U
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Abstract
The utility model relates to a formwork system for upper tower columns of cable-stayed bridges, which comprises a fast sliding type moving system, a template fixing and adjusting system, a stiff framework assembling jig frame and a stiff framework positioning and connecting device; the quick sliding type moving system comprises a sliding type rail, a quick sliding type moving box and a motor; the template fixing and adjusting system comprises a horizontal rod, an inclined rod and an adjustable jacking; the assembling jig frame of the stiff framework comprises an assembling jig frame and a track, and the assembling jig frame is formed by combining a support with a telescopic device and a horizontal rod; the stiff skeleton positioning and connecting device comprises a steel bar, angle steel and a positioning and connecting device. The utility model has the advantages that: the utility model provides a quick formula of sliding up moves fortune case can be quick transport the required position of construction with materials such as template, bracing piece, has saved the material handling time greatly to the engineering time has been shortened.
Description
Technical Field
The utility model relates to a bridge construction field, in particular to last column formwork system of cable-stay bridge.
Background
The cable-stayed bridge is one of the most popular bridge types of large-span bridges in China. So far, there are thirty more cable-stayed bridges being built or under construction, wherein the number of large span concrete cable-stayed bridges is the first to live in the world. A cable-stayed bridge is also called an oblique-tension bridge, and is a bridge with a main beam pulled on a bridge tower column by a plurality of pull cables. The structure system is formed by combining a pressure-bearing tower column, a tension-bearing inhaul cable and a pressure-bearing girder body, and can be regarded as a continuous girder with a plurality of caving elastic supports, wherein the continuous girder replaces a pier with a stayed cable. The cable-stayed bridge is a cable system, has larger spanning capacity than a beam bridge, and is the most main bridge type of a large-span bridge. The cable-stayed bridge mainly comprises a bridge tower, a stay cable and a main beam. So far, there are thirty more cable-stayed bridges being built or under construction, wherein the number of large span concrete cable-stayed bridges is the first to live in the world. The construction of traditional cable-stay bridge pylon formwork system is comparatively loaded down with trivial details, mainly reflects in the equipment of template is complicated, and template bearing structure sets up slower, especially along with the high rising of pylon construction, because of the formwork construction speed that transports that leads to of material is more and more slow. Moreover, after the tower column is supported, if the tower column is mistakenly changed, the construction of the support system can be completed only by consuming a large amount of manpower and material resources.
Therefore, it is important to find a cable-stayed bridge upper tower column formwork system which is fast and simple in construction and high in formwork system stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a pylon formwork system on cable-stay bridge.
The upper tower column formwork system of the cable-stayed bridge comprises a fast sliding type moving system, a template fixing and adjusting system, a stiff framework assembling jig frame and a stiff framework positioning and connecting device; a scaffold is erected at the upper tower column and consists of a horizontal rod, a vertical rod and a cross brace; the lower part of the upper tower column is a road surface, the lower part of the road surface is a lower tower column, the lower part of the lower tower column is a bearing platform, and the lower part of the bearing platform is a tower column foundation;
the quick sliding type moving system comprises a sliding type rail, a quick sliding type moving box and a motor, wherein the sliding type rail is installed on the side surface of the upper tower column, and the quick sliding type moving box with rollers moves on the rail through a steel cable under the power provided by the motor;
the template fixing and adjusting system comprises a horizontal rod, an inclined rod and an adjustable jacking, and adjustable jacking and jacking fixing templates are arranged at the end parts of the horizontal rod and the inclined rod;
the assembling jig frame of the stiff framework comprises an assembling jig frame and a track, the assembling jig frame is formed by combining a support with a telescopic device and a horizontal rod, rollers are arranged at the bottom of the support, the track is arranged at the top of the scaffold, and the rollers are positioned on the track;
the stiff skeleton positioning and connecting device comprises a steel bar, an angle steel and a positioning and connecting device, wherein the positioning and connecting device is arranged on the outer side of the angle steel, the steel bar is arranged inside the angle steel, and a bolt is arranged on the positioning and connecting device.
Preferably, the method comprises the following steps: the angle steel is matched with the positioning connecting device.
The utility model has the advantages that:
(1) the utility model provides a quick formula of sliding up moves fortune case can be quick transport the required position of construction with materials such as template, bracing piece, has saved the material handling time greatly to the engineering time has been shortened.
(2) The utility model provides a bed-jig and strength nature skeleton location connecting device are assembled to strength nature skeleton can provide good construction platform for the constructor, accurate and firm connection strength nature skeleton moreover to improve the efficiency of construction, had better economic benefits.
(3) The utility model discloses a fixed die plate that template fixed adjustment system can be stable, if the mistake is assembled to the template, can also adjust, change the template portably, technical benefit is showing.
Drawings
FIG. 1 is a schematic view of a pylon formwork system of a cable-stayed bridge;
FIG. 2 is a schematic view of a rapid slip transfer system;
FIG. 3 is a schematic view of a template fixing adjustment system;
FIG. 4 is a schematic view of a stiff skeleton assembly jig;
FIG. 5 is a schematic view of a stiff skeleton locating attachment means;
fig. 6 is a schematic sectional view a-a of fig. 5.
Description of reference numerals: 4, mounting a tower column; 5, descending a tower column; 6, paving; 8, bearing platform; 9-tower column foundation; 21-horizontal bar; 22-vertical rod; 23, carrying out cross bracing; 26-adjustable jacking; 33-sliding rail; 34-fast sliding type transporting box; 35-reinforcing steel bars; 36-angle steel; 37-positioning the connecting device; 38-bolt; 39-assembling a jig frame; 40-a telescopic device; 41-a pillar; 42-a roller; 43-a track; 44-a diagonal rod; 45, a motor; 46-a steel cable; 47-template.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
The upper tower column formwork system of the cable-stayed bridge comprises a fast sliding type moving system, a template fixing and adjusting system, a stiff framework assembling jig frame and a stiff framework positioning and connecting device; a scaffold is erected at the upper tower column 4, and the scaffold consists of a horizontal rod 21, a vertical rod 22 and a cross brace 23; the lower part of the upper tower column 4 is a road surface 6, the lower part of the road surface 6 is a lower tower column 5, the lower part of the lower tower column 5 is a bearing platform 8, and the lower part of the bearing platform 8 is a tower column foundation 9.
The quick sliding type transporting system comprises a sliding type rail 33, a quick sliding type transporting box 34 and a motor 45, the sliding type rail 33 is installed on the side face of the upper tower column 4 which is poured and cured, and the quick sliding type transporting box 34 with the rollers quickly moves on the rail through a steel cable 46 under the power provided by the motor 45.
The template fixing and adjusting system comprises a horizontal rod 21, an inclined rod 44 and an adjustable jacking 26, and the ends of the horizontal rod 21 and the inclined rod 44 are provided with adjustable jacking 26 and jacking fixed templates. When the template assembly is wrong and needs to be changed, the wrong template can be replaced by stretching the adjustable jacking supports 26.
The assembling jig frame for the stiff framework comprises an assembling jig frame 39 and a rail 43, the assembling jig frame 39 is formed by combining a support 41 with a telescopic device 40 and a horizontal rod 21, rollers 42 are arranged at the bottom of the support 41, the rail 43 is arranged at the top of the scaffold, and the rollers 42 are located on the rail 43.
The stiff skeleton positioning and connecting device comprises steel bars 35, angle steel 36 and a positioning and connecting device 37, wherein the positioning and connecting device 37 is arranged on the outer side of the angle steel 36, the angle steel 36 is matched with the positioning and connecting device 37, the steel bars 35 are arranged in the angle steel 36 in an inner side mode, and bolts 38 are arranged on the positioning and connecting device 37.
The fast sliding transfer box 34 can transfer formwork and the like to a height required for the construction of the tower.
After the positioning connection device 37 is used for butt-joint positioning of upper steel and lower steel, the bolt 38 is screwed, the steel bar 35 is welded on the inner side of the angle steel 36 to be primarily fixed, the positioning connection device 37 is taken off, a steel plate is used as a gusset plate at the connection position for welding, and the connection welding line is three-side girth welding.
The construction method of the upper tower column formwork system of the cable-stayed bridge comprises the following steps:
(1) and erecting a scaffold. The scaffold is erected by horizontal rods 21, vertical rods 22 and is provided with cross braces 23 to form the scaffold shown in fig. 1.
(2) And constructing a fast sliding type moving system. As shown in fig. 2, a sliding rail 33 is installed on the side surface of the tower column which is poured and cured to reach the designed strength, and a fast sliding transport box 34 with rollers can move on the rail and fast move on the sliding rail 33 under the power provided by a motor 45 through the traction of a steel cable 46.
(3) And constructing a template fixing and adjusting system. As shown in fig. 3, adjustable jacks 26 are provided at the ends of the horizontal bars 21 and the diagonal bars 44 for jacking the fixed formwork. When the template assembly is wrong and needs to be changed, the wrong template can be replaced by stretching the adjustable jacking supports 26.
(4) And assembling the jig frame for the stiff framework. As shown in fig. 4, the stiff skeleton assembly jig is formed by combining a support 41 with a retractable device 40 and a horizontal bar 21, and rollers 42 are provided at the bottom of the support 41. The top of the scaffold is provided with a track 43, and the assembly jig frame 39 can freely move on the track.
(5) And the application of the stiff framework positioning and connecting device. As shown in fig. 5 and 6, the positioning and connecting device 37 is made of steel according to the size of the angle steel used for the stiff frame, and has bolt holes. After the upper steel and the lower steel are in butt joint positioning by the positioning connecting device 37, the bolts 38 are screwed down to fix the angle steel 36, the reinforcing steel bars 35 are welded on the inner side of the angle steel 36, then the positioning connecting device 37 is removed, the connecting position of the upper steel and the lower steel is welded by using a steel plate as a gusset plate, and the connecting welding seam is three-side girth welding.
Claims (2)
1. Pylon formwork system on cable-stay bridge, its characterized in that: the quick-sliding type moving system comprises a quick-sliding type moving system, a template fixing and adjusting system, a stiff framework assembling jig frame and a stiff framework positioning and connecting device; a scaffold is erected at the upper tower column (4), and the scaffold consists of a horizontal rod (21), a vertical rod (22) and a cross brace (23); the lower part of the upper tower column (4) is a road surface (6), the lower part of the road surface (6) is a lower tower column (5), the lower part of the lower tower column (5) is a bearing platform (8), and the lower part of the bearing platform (8) is a tower column foundation (9);
the quick sliding type moving system comprises a sliding type rail (33), a quick sliding type moving box (34) and a motor (45), the sliding type rail (33) is installed on the side surface of the upper tower column (4), and the quick sliding type moving box (34) with rollers moves on the rail through a steel cable (46) under the power provided by the motor (45);
the template fixing and adjusting system comprises a horizontal rod (21), an inclined rod (44) and an adjustable jacking support (26), wherein the adjustable jacking support (26) is arranged at the end parts of the horizontal rod (21) and the inclined rod (44) to jack the fixed template;
the assembling jig frame for the stiff framework comprises an assembling jig frame (39) and a rail (43), wherein the assembling jig frame (39) is formed by combining a support (41) with a telescopic device (40) and a horizontal rod (21), rollers (42) are arranged at the bottom of the support (41), the rail (43) is arranged at the top of the scaffold, and the rollers (42) are positioned on the rail (43);
the stiff skeleton positioning and connecting device comprises steel bars (35), angle steel (36) and positioning and connecting devices (37), the positioning and connecting devices (37) are arranged on the outer sides of the angle steel (36), the steel bars (35) are arranged in the angle steel (36), and bolts (38) are arranged on the positioning and connecting devices (37).
2. The upper tower column formwork system of a cable-stayed bridge according to claim 1, characterized in that: the angle steel (36) is matched with the positioning connecting device (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625727.7U CN211256633U (en) | 2019-04-30 | 2019-04-30 | Upper tower column formwork system of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625727.7U CN211256633U (en) | 2019-04-30 | 2019-04-30 | Upper tower column formwork system of cable-stayed bridge |
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| Publication Number | Publication Date |
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| CN211256633U true CN211256633U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920625727.7U Active CN211256633U (en) | 2019-04-30 | 2019-04-30 | Upper tower column formwork system of cable-stayed bridge |
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| CN (1) | CN211256633U (en) |
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- 2019-04-30 CN CN201920625727.7U patent/CN211256633U/en active Active
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