CN-224227659-U - Positioning device for closure assembly of annular tower

CN224227659UCN 224227659 UCN224227659 UCN 224227659UCN-224227659-U

Abstract

The utility model discloses a positioning device for closure assembly of a circular tower, which comprises a base system, a stiffening system and a regulating and controlling executing mechanism, wherein the base system comprises a box-shaped base, a counter-force support, a transverse pushing support plate and a pushing support plate, the stiffening system is connected between the counter-force support and the box-shaped base, and the regulating and controlling executing mechanism comprises jacks arranged on the transverse pushing support plate and the pushing support plate. According to the positioning device for closure assembly of the annular tower, provided by the utility model, the adjusting and controlling executing mechanism with the jack is arranged on the base system, so that the horizontal offset can be quickly compensated, the vertical elevation can be corrected, the closure section precision can be improved, and the construction efficiency can be high. In addition, the device can be quickly assembled and disassembled on the temporary support, and can be repeatedly utilized, so that the cost is saved.

Inventors

DUAN WENXUAN
LIU JUNFENG
LIANG QIANQIAN
ZHANG WANJUN
WANG LAIFA
ZHANG MI
WANG YALUN
ZHANG SONG
LIU YI
Cai Kunkun

Assignees

中交第三航务工程局有限公司

Dates

Publication Date: 20260512
Application Date: 20250509

Claims (9)

1. The positioning device for closure assembly of the annular tower is characterized by comprising a base system, a stiffening system and a regulation and control executing mechanism; the base system comprises a box-shaped base, a counter-force bracket, a transverse pushing supporting plate and a pushing supporting plate, wherein the counter-force bracket, the transverse pushing supporting plate and the pushing supporting plate are arranged at the top of the box-shaped base; The reaction support comprises at least 2 reaction supports which are respectively and vertically connected with two ends of the box-shaped base in the length direction, wherein the number of the horizontal pushing support plates is 2 and are respectively connected with the inner wall of one reaction support; The stiffening system is connected between the counter-force bracket and the box-shaped base; the regulation and control actuating mechanism comprises a jack arranged on the transverse pushing support plate and the pushing support plate.
2. The positioning device for closure assembly of a circular tower according to claim 1, wherein the stiffening system comprises a first stiffening rib plate and a second stiffening rib plate which are both triangular in projection shape; the two right-angle side edges of the first stiffening rib plate are respectively connected with the side wall of the counter-force bracket and the top of the box-shaped base; the two right-angle side edges of the second stiffening rib plate are respectively connected with the outer wall of the counter-force bracket and the top of the box-shaped base.
3. The positioning device for closure assembly of a circular tower according to claim 2, wherein any one of the reaction brackets is connected with at least 2 of the first stiffening ribs.
4. The positioning device for closure assembly of a circular tower according to claim 2, wherein any one of the reaction brackets is connected with at least 2 of the second stiffening ribs; And the second stiffening rib plates are symmetrically or alternately connected to the outer wall of the counter-force bracket.
5. The positioning device for closure assembly of a circular tower according to claim 1, wherein the jack comprises a transverse pushing jack and a pushing jack; the horizontal pushing jack is arranged on the horizontal pushing supporting plate, and the pushing jack is arranged on the pushing supporting plate.
6. The positioning device for closure assembly of a circular tower according to claim 5, wherein the action direction of the horizontal pushing jack is a horizontal direction, and the action direction of the pushing jack is a vertical direction.
7. The positioning device for closure assembly of a circular tower according to claim 5, wherein the pushing jacks at least comprise 2 pushing support plates which are symmetrically or uniformly connected at intervals.
8. The positioning device for closure assembly of a circular tower of claim 1, wherein the positioning device is located between the closure segments and the temporary support.
9. The positioning device for closure assembly of a circular tower according to claim 8, wherein the positioning device is connected with the temporary support through a high-strength bolt.

Description

Positioning device for closure assembly of annular tower Technical Field The utility model relates to the technical field of bridge construction, in particular to a positioning device for closure assembly of a circular tower. Background In recent years, with the rapid development of bridge industry in China, short-tower cable-stayed bridges are increasingly widely applied to municipal and traffic engineering by virtue of excellent mechanical properties and aesthetic values. However, in the bridge tower splicing closure construction, when a temporary support is adopted to fix a tower column in the traditional process, a closure section is influenced by factors such as construction load, temperature deformation, installation errors and the like, and horizontal deviation (X direction) and vertical elevation deviation (Z direction) along the joint direction are easy to generate. In the prior art, due to the lack of a dynamic regulation and control means, accurate positioning of the closure section is difficult to realize, and the alignment precision of the axis of the tower column and the distribution of the stay cable force are affected. Disclosure of utility model In view of the above, the utility model provides a positioning device for closure assembly of a circular tower, which can position and adjust a closure section during closure construction of a low-tower cable-stayed bridge. The utility model provides a positioning device for closure assembly of a circular tower, which comprises a base system, a stiffening system and a regulation and control executing mechanism, wherein the base system is connected with the stiffening system; the base system comprises a box-shaped base, a counter-force bracket, a transverse pushing supporting plate and a pushing supporting plate, wherein the counter-force bracket, the transverse pushing supporting plate and the pushing supporting plate are arranged at the top of the box-shaped base; The reaction support comprises at least 2 reaction supports which are respectively and vertically connected with two ends of the box-shaped base in the length direction, wherein the number of the horizontal pushing support plates is 2 and are respectively connected with the inner wall of one reaction support; The stiffening system is connected between the counter-force bracket and the box-shaped base; the regulation and control actuating mechanism comprises a jack arranged on the transverse pushing support plate and the pushing support plate. In one possible implementation, the stiffening system comprises a first stiffening rib and a second stiffening rib, both of which have a triangular projected shape; the two right-angle side edges of the first stiffening rib plate are respectively connected with the side wall of the counter-force bracket and the top of the box-shaped base; the two right-angle side edges of the second stiffening rib plate are respectively connected with the outer wall of the counter-force bracket and the top of the box-shaped base. In one possible implementation, any one of the reaction brackets is connected to at least 2 of the first stiffening ribs. In one possible implementation, any one of the reaction brackets is connected to at least 2 of the second stiffening ribs; And the second stiffening rib plates are symmetrically or alternately connected to the outer wall of the counter-force bracket. In one possible implementation, the jack includes a lateral pushing jack and a pushing jack; the horizontal pushing jack is arranged on the horizontal pushing supporting plate, and the pushing jack is arranged on the pushing supporting plate. In one possible implementation, the acting direction of the transverse pushing jack is a horizontal direction, and the acting direction of the pushing jack is a vertical direction. In one possible implementation manner, the pushing jack at least comprises 2 pushing jacks, and the pushing jacks are symmetrically or uniformly connected to the pushing support plate at intervals. In one possible implementation, the positioning device is located between the closure segment and the temporary support. In one possible implementation, the positioning device is connected with the temporary support by a high-strength bolt. Compared with the prior art, the positioning device for closure assembly of the annular tower provided by the utility model has the advantages that at least the following effects are realized: In the embodiment provided by the utility model, the adjusting and controlling executing mechanism with the jack is arranged on the base system, so that the horizontal offset can be quickly compensated, the vertical elevation can be corrected, the precision of the closure section can be improved, and the construction efficiency can be high. In addition, the device can be quickly assembled and disassembled on the temporary support, and can be repeatedly utilized, so that the cost is saved. Of course, it is not necessary for any one product e