CN210151580U - Temporary diagonal bracing device for inclined tower limbs of cable-stayed bridge - Google Patents
Temporary diagonal bracing device for inclined tower limbs of cable-stayed bridge Download PDFInfo
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- CN210151580U CN210151580U CN201920567333.0U CN201920567333U CN210151580U CN 210151580 U CN210151580 U CN 210151580U CN 201920567333 U CN201920567333 U CN 201920567333U CN 210151580 U CN210151580 U CN 210151580U
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Abstract
The utility model provides a device is propped to cable-stay bridge slope tower limb temporarily which characterized by: two corresponding steel plates with screw holes are respectively embedded in concrete of a first inclined tower limb and a second inclined tower limb of a tower column of the cable-stayed bridge, and a first bolt and a second bolt are respectively arranged on the screw holes of the embedded steel plates; assembling a first pair of supporting heads, a first pair of supporting steel pipes, a second pair of supporting steel pipes, a third pair of supporting steel pipes, a first jack, a second jack, a jack seat, a first wedge block, a second wedge block and a second pair of supporting heads together to form a first cable-stayed bridge inclined tower limb temporary supporting device; nuts are respectively arranged on the first bolt and the second bolt, and the first cable-stayed bridge inclined tower limb temporary butt-bracing device is fixedly arranged on the inner side wall of the first inclined tower limb and the inner side wall of the second inclined tower limb.
Description
Technical Field
The utility model belongs to the technical field of bridge construction engineering and specifically relates to a temporary initiative is to propping device suitable for cable-stay bridge leaning tower limb before the entablature that is under construction.
Background
In the construction process of the cable-stayed bridge double-limb inclined cable tower, the upper and lower crossbeams mainly play a role in increasing the rigidity of the cable tower, connecting the tower limbs into a whole and providing a supporting force to achieve the purpose of preventing the tower limbs from deforming; before the upper and lower cross beams of the cable tower are not constructed, the strength and stability of the double tower limbs need to be enhanced under the condition that the cantilever section of the inclined tower limb is longer, and the deformation of the tower limbs can be adjusted within a certain range; therefore, a temporary bracing device needs to be designed to fulfill the aim of temporarily reinforcing the tower limbs before the upper and lower cross beams are constructed.
Disclosure of Invention
The utility model aims at having the not enough of intensity and stability to current cable-stay bridge biparting slope cable tower in the construction, provide a cable-stay bridge slope tower limb temporarily to propping the device, the device can increase the rigidity and the stability of cantilever tower limb, and usable jack exerts the main power simultaneously, adjusts the deformation of tower limb in the certain limit, has both satisfied construction quality, improves the construction progress again, has guaranteed safety in production.
The technical scheme of the utility model is that the temporary diagonal bracing device for the inclined tower limbs of the cable-stayed bridge comprises the inclined tower limbs, diagonal bracing steel pipes, a steel cylinder, a round steel plate, bolts, a first pair of bracing heads, a jack, a second pair of bracing heads, an outer wrapping pipe, a jack seat and a diagonal bracing device.
The technical scheme of the utility model is that: two corresponding steel plates with screw holes are respectively embedded in concrete of a first inclined tower limb and a second inclined tower limb of a tower column of the cable-stayed bridge, and a first bolt and a second bolt are respectively arranged on the screw holes of the embedded steel plates; assembling a first pair of supporting heads, a first pair of supporting steel pipes, a second pair of supporting steel pipes, a third pair of supporting steel pipes, a first jack, a second jack, a jack seat, a first wedge block, a second wedge block and a second pair of supporting heads together to form a first cable-stayed bridge inclined tower limb temporary supporting device; nuts are respectively arranged on the first bolt and the second bolt, and the first cable-stayed bridge inclined tower limb temporary butt-bracing device is fixedly arranged on the inner side wall of the first inclined tower limb and the inner side wall of the second inclined tower limb.
The first cable-stayed bridge inclined tower limb temporary butt-supporting device is characterized in that a second round steel plate with holes and a third round steel plate with holes are welded at two ends of a first steel cylinder respectively, and a first jack seat and a second jack seat are arranged on the right side surface of the third round steel plate respectively to form a first butt-supporting head.
And respectively welding the fourth round steel plate with the hole and the fifth round steel plate at two ends of the second steel cylinder, and welding the third pair of supporting steel pipes in central holes of the fourth round steel plate and the fifth round steel plate to form a second pair of supporting heads.
Sleeving (welding) the central holes of the first pair of supporting heads at the right ends of the first pair of supporting steel pipes, and inserting the second pair of supporting steel pipes (liner pipes) into the right-end pipe holes of the first pair of supporting steel pipes; respectively installing and fixing a first jack and a second jack which have the same structure on a first jack seat and a second jack seat by using a third bolt, and contacting plunger heads in the first jack and the second jack with a fourth round steel plate on a second opposite supporting head;
a second pair of supporting heads are fixedly installed on the second inclined tower limb by using a second bolt, and the second pair of supporting heads and the first pair of supporting heads are kept on the same central line; sleeving the outer wrapping pipe on the outer circles of two pipe joints of a second pair of supporting steel pipes and a third pair of supporting steel pipes, and respectively installing a first wedge block and a second wedge block between a first pair of supporting heads and a second pair of supporting heads (between a third round steel plate and a fourth round steel plate); first batten plates (reinforcing ribs) are uniformly welded at the joint of the first round steel plate and the excircle at the left end of the first bracing tube; the joint of the excircle of the right end of the first bracing tube and the excircle of the left end of the first bracing head is uniformly welded with a second batten plate (not shown in the figure) to form a first temporary bracing device.
And a first cable-stayed bridge inclined tower temporary butt-supporting device and a second cable-stayed bridge inclined tower temporary butt-supporting device which have the same structure are respectively installed and fixed on the corresponding (same plane) side walls of the first inclined tower limb and the second inclined tower limb by using a first bolt and a second bolt.
Voussoir: the first wedge block and the first wedge block have the same structure, and the first cable-stayed bridge inclined tower limb temporary opposite-supporting device and the second temporary opposite-supporting device have the same installation method.
The jack is characterized in that: the central lines of the first jack and the second jack and the central line of the first pair of supporting heads are kept on the same central line (transverse direction).
The utility model has the advantages that: the method comprises the steps that a first cable-stayed bridge inclined tower limb temporary butt-bracing device is fixedly installed between a first cable-stayed bridge inclined tower limb and two cable-stayed bridge inclined tower limbs, a first pair of supporting heads and a first pair of supporting heads are jacked open through a first jack and a second jack, the first wedge block and the first wedge block which are locked in place are dead by welding under the action of the first wedge block and the second wedge block, a second butt-bracing steel pipe and a third butt-bracing steel pipe are butt-welded together, then the first jack and the second jack are removed, finally an outer wrapping pipe is welded on the outer circles of the second butt-bracing steel pipe and the third butt-bracing steel pipe, and the first butt-bracing steel pipe, the second butt-bracing steel pipe and the third butt-bracing steel pipe which are welded together are made into an integral butt-bracing steel pipe; after the first cable-stayed bridge inclined tower limb temporary support device and the first cable-stayed bridge inclined tower limb temporary support device are installed, the aims of increasing the rigidity and stability of the first inclined tower limb and the second inclined tower limb and preventing displacement deformation are fulfilled; the device safe and reliable, simple to operate is swift, has reduced the input of manpower and material, has practiced thrift the engineering time for the construction progress has guaranteed construction safety.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and examples;
fig. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of the structure of FIG. 2 from the direction A;
FIG. 4 is an enlarged sectional view of B-B of FIG. 4;
fig. 5 is an enlarged side view of the butt.
In the figures 1 to 5 of the drawings, 1. the device comprises a first inclined tower limb, 1', a second inclined tower limb, 2, a first bracing steel tube, 3, a second bracing steel tube, 3', a third bracing steel tube, 4, a first round steel plate, 5, a first bolt (embedded), 6, a first batten plate, 7, a first bracing head, 8, a first wedge block, 9, a first jack, 9', a second jack, 10, a second bracing head, 11, a second wedge block, 12, an outer wrapping tube, 13, a second round steel plate, 13', a second round steel plate, 14, a fourth round steel plate, 14', a fifth round steel plate, 15, a second bolt (embedded), 16, a construction platform, 17, a first jack seat, 18, a second jack seat, 19, a third bolt, a first steel cylinder, b, a second steel cylinder, m, a first diagonal cable-stayed bridge inclined tower temporary bracing device and n, a second diagonal bracing device.
Detailed Description
In the embodiment of the present invention, as shown in fig. 1 to 5, two corresponding steel plates with screw holes are respectively embedded in the concrete of a first inclined tower limb 1 and a second inclined tower limb 1' of a tower column of a cable-stayed bridge, and a first bolt 5 and a second bolt 15 are respectively installed on the screw holes of the embedded steel plates; two ends of the first temporary opposite-supporting device m are respectively fixed on the inner side walls of the first inclined tower limb 1 and the second inclined tower limb 1' by nuts; and forming a first cable-stayed bridge inclined tower limb temporary opposite-supporting device m.
The utility model discloses in the embodiment, with foraminiferous second round steel sheet 13 and third round steel sheet 13 'respectively the welding at the both ends of first steel cylinder a, be equipped with first jack mount 17 and second jack mount 18 respectively at the right flank of third round steel sheet 13', constitute first butt 7.
And a fourth round steel plate 14 with holes and a fifth round steel plate 14' are respectively welded at two ends of the second steel cylinder b, and a third butt-bracing steel pipe 3' is welded in central holes of the fourth round steel plate 14 and the fifth round steel plate 14', so that a second butt-bracing head 10 is formed.
Sleeving (welding) the central holes of the first pair of supporting heads 7 at the right ends of the first pair of supporting steel pipes 2, and inserting the second pair of supporting steel pipes (liner pipes) 3 into the right-end pipe holes of the first pair of supporting steel pipes 2; a first jack 9 and a second jack 9 'with the same structure are respectively installed and fixed on a first jack seat 17 and a second jack seat 18 by using a third bolt 19, and pistons in the first jack 9 and the second jack 9' are respectively contacted with a fourth round steel plate 14 on a second butt-bracing head 10;
a second pair of supporting heads 10 are fixedly installed on the second inclined tower limb 1' by a second bolt 15, and the second pair of supporting heads 10 and the first pair of supporting heads 7 are kept on the same central line; sleeving the outer wrapping pipe 12 on the outer circles of the two pipe joints of the second oppositely-supported steel pipe 3 and the third oppositely-supported steel pipe 3'; a first wedge block 8 and a second wedge block 11 are respectively arranged between the first pair of supporting heads 7 and the second pair of supporting heads 10; first batten plates 6 (reinforcing ribs) are uniformly welded at the joint of the first round steel plate 4 and the excircle at the left end of the first bracing tube 2, and second batten plates (not shown in the figure) are uniformly welded at the joint of the excircle at the right end of the first bracing tube 2 and the excircle surface at the left end of the first bracing head 7, so that a first cable-stayed bridge inclined tower limb temporary bracing device is formed.
And respectively installing and fixing a first inclined tower limb temporary butt-supporting device m of the cable-stayed bridge and a second inclined tower limb temporary butt-supporting device n of the cable-stayed bridge with the same structure on the corresponding side walls of the first inclined tower limb 1 and the second inclined tower limb 1' by using a first bolt 5 and a second bolt 15.
In the embodiment of the present invention, the first wedge 8 and the first wedge 11 have the same structure and the same mounting method.
The utility model discloses in the embodiment, the central line and the first pair of stay central line of first jack and second jack keep on same central line (horizontal).
The utility model discloses an installation method: respectively installing and fixing a first round steel plate 4 welded at the left end of a first diagonal tower limb 2 in a first diagonal bridge inclined tower limb temporary bracing device and a fifth round steel plate 14' at the right end of a second diagonal bracing head 10 on a first bolt 5 and a second bolt 15 on a first inclined tower limb 1 and a second inclined tower limb 1' respectively by using nuts, then applying pressure to a first jack 9 and a second jack 9' to enable plungers in the first jack 9 and the second jack 9' to extend out, in the process of simultaneously applying pressure to the first diagonal bracing head 7 and the second diagonal bracing head 10, gradually increasing the distance between the first diagonal bracing head 7 and the second diagonal bracing head 10, enabling a first wedge block 8 and a first wedge block 11 to move along with the change of the distance between the first diagonal bracing head 7 and the second diagonal bracing head 10, welding the first wedge block 8 and the first wedge block 11 on the first diagonal bracing head 7 and the second diagonal bracing head 10, and welding a right pipe head and a left pipe head 3' of a third diagonal bracing pipe 3 together, then, removing the first jack 9 and the second jack 9', and finally welding the outer wrapping pipe 12 on the outer circles of two pipe joints of the second counter-bracing steel pipe 3 and the third counter-bracing steel pipe 3', so as to form an integral first cable-stayed bridge inclined tower limb temporary counter-bracing device which is fixedly installed between the first inclined tower limb 1 and the second inclined tower limb 1 '; the second cable-stayed bridge inclined tower limb temporary support device n is the same as the first cable-stayed bridge inclined tower limb temporary support device m in structure and installation method.
All operations of the utility model are carried out in the construction platform 17 of the first inclined tower limb 1 and the second inclined tower limb 1'.
Claims (3)
1. A temporary diagonal bracing device for inclined tower limbs of a cable-stayed bridge comprises inclined tower limbs, diagonal bracing steel pipes, a steel cylinder, a round steel plate, bolts, a first pair of bracing heads, a jack, a second pair of bracing heads, an outer wrapping pipe, a jack seat and a diagonal bracing device; the method is characterized in that: two corresponding steel plates with screw holes are respectively embedded in concrete of a first inclined tower limb and a second inclined tower limb of a tower column of the cable-stayed bridge, and a first bolt and a second bolt are respectively arranged on the screw holes of the embedded steel plates; assembling a first pair of supporting heads, a first pair of supporting steel pipes, a second pair of supporting steel pipes, a third pair of supporting steel pipes, a first jack, a second jack, a jack seat, a first wedge block, a second wedge block and a second pair of supporting heads together to form a first cable-stayed bridge inclined tower limb temporary supporting device; nuts are respectively arranged on the first bolt and the second bolt, and the temporary diagonal bracing device of the inclined tower limb of the first cable-stayed bridge is fixedly arranged on the inner side wall of the first inclined tower limb and the inner side wall of the second inclined tower limb; respectively welding a second round steel plate with a hole and a third round steel plate at two ends of the first steel cylinder, and respectively arranging a first jack seat and a second jack seat on the right side surface of the third round steel plate to form a first pair of supporting heads; respectively welding a fourth round steel plate with holes and a fifth round steel plate with holes at two ends of a second steel cylinder, and welding a third pair of supporting steel pipes in central holes of the fourth round steel plate and the fifth round steel plate to form a second pair of supporting heads; sleeving the central holes of the first pair of supporting heads at the right ends of the first pair of supporting steel pipes, and inserting the second pair of supporting steel pipes into the right-end pipe holes of the first pair of supporting steel pipes; respectively installing and fixing a first jack and a second jack which have the same structure on a first jack seat and a second jack seat by using a third bolt, and contacting plunger heads in the first jack and the second jack with a fourth round steel plate on a second opposite supporting head; a second pair of supporting heads are fixedly installed on the second inclined tower limb by using a second bolt, and the second pair of supporting heads and the first pair of supporting heads are kept on the same central line; sleeving an outer wrapping pipe on the outer circles of two pipe joints of a second pair of supporting steel pipes and a third pair of supporting steel pipes, and respectively installing a first wedge block and a second wedge block between a first pair of supporting heads and a second pair of supporting heads; first batten plates are uniformly welded at the joint of the first round steel plate and the excircle at the left end of the first bracing tube; second batten plates are uniformly welded at the joint of the excircle at the right end of the first bracing tube and the excircle surface at the left end of the first bracing head to form a first temporary bracing device; and respectively installing and fixing a first cable-stayed bridge inclined tower temporary butt-supporting device and a second cable-stayed bridge inclined tower temporary butt-supporting device which have the same structure on the corresponding side walls of the first inclined tower limb and the second inclined tower limb by using a first bolt and a second bolt.
2. The device for temporarily supporting the inclined tower limbs of the cable-stayed bridge as claimed in claim 1, wherein: the first wedge block and the first wedge block have the same structure, and the first cable-stayed bridge inclined tower limb temporary opposite-supporting device and the second temporary opposite-supporting device have the same installation method.
3. The device for temporarily supporting the inclined tower limbs of the cable-stayed bridge as claimed in claim 1, wherein: the jack is characterized in that: the center lines of the first jack and the second jack and the center line of the first pair of supporting heads are kept on the same center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920567333.0U CN210151580U (en) | 2019-04-24 | 2019-04-24 | Temporary diagonal bracing device for inclined tower limbs of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920567333.0U CN210151580U (en) | 2019-04-24 | 2019-04-24 | Temporary diagonal bracing device for inclined tower limbs of cable-stayed bridge |
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| CN210151580U true CN210151580U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920567333.0U Active CN210151580U (en) | 2019-04-24 | 2019-04-24 | Temporary diagonal bracing device for inclined tower limbs of cable-stayed bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055897A (en) * | 2019-04-24 | 2019-07-26 | 中铁十一局集团第一工程有限公司 | A kind of cable-stayed bridge inclination tower limb is temporarily to support arrangement |
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2019
- 2019-04-24 CN CN201920567333.0U patent/CN210151580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055897A (en) * | 2019-04-24 | 2019-07-26 | 中铁十一局集团第一工程有限公司 | A kind of cable-stayed bridge inclination tower limb is temporarily to support arrangement |
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