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CN-121992726-A - Side span special-shaped bridge structure and auxiliary construction equipment thereof

CN121992726ACN 121992726 ACN121992726 ACN 121992726ACN-121992726-A

Abstract

The invention discloses a side span special-shaped bridge structure and auxiliary construction equipment thereof, and belongs to the technical field of bridge construction. The auxiliary construction equipment comprises a supporting bottom plate, a lower lifting plate and an upper lifting plate, wherein a lifting device is arranged between the supporting bottom plate and the lower lifting plate. According to the side span special-shaped bridge structure and the auxiliary construction equipment thereof, the main supporting plate, the auxiliary supporting plate and the like are arranged between the guardrail and the construction equipment, the friction force between the main supporting plate and the auxiliary supporting plate is large, compared with the case that the guardrail is directly rotated, the supporting bottom plate is more labor-saving when rotating around the rotating shaft, the angle precision of the adjusted guardrail is higher, after the guardrail is adjusted, the transposition driving mechanism is started to drive the transverse pipe to move downwards, the transverse pipe supports the ground, and the position of the construction equipment is fixed through the friction force between the transverse pipe and the ground.

Inventors

  • RAN WEI
  • YUAN CHANGJUN
  • FU YICHENG
  • HE JIAN
  • HU ZHENGFENG
  • ZHOU JIANBAO
  • YANG KAI
  • WU ZHAOBING
  • GU NAIZHONG
  • DONG FENGCHUN
  • REN WENHUI
  • JIE HE
  • WANG ANHUI

Assignees

  • 中铁四局集团有限公司
  • 中铁四局集团第一工程有限公司

Dates

Publication Date
20260508
Application Date
20260317

Claims (10)

  1. 1. The side span special-shaped bridge structure is characterized by comprising a main beam (1), a tower pier (2) for supporting the main beam (1), a cable tower (3) arranged on the main beam (1) and a guardrail (4) arranged on the main beam (1), wherein the top of the cable tower (3) is provided with a stay cable for being connected with the main beam (1).
  2. 2. The auxiliary construction equipment for the side span special-shaped bridge structure is characterized by being used for supporting a guardrail (4) in the side span special-shaped bridge structure in claim 1 and comprising a supporting bottom plate (5), a lower lifting plate (6) and an upper lifting plate (11), wherein a lifting device (7) is arranged between the supporting bottom plate (5) and the lower lifting plate (6), and a supporting column (10) is arranged between the lower lifting plate (6) and the upper lifting plate (11); a main support plate (12) is arranged on the upper side of the upper lifting plate (11), and a moving plate (13) is inserted into the main support plate (12); An auxiliary supporting plate (16) and a lower mounting seat (17) which is arranged on the lower lifting plate (6) and is in running fit with the auxiliary supporting plate (16) are arranged on the lower lifting plate (6), an upper supporting seat (18) is arranged at one end, far away from the lower mounting seat (17), of the auxiliary supporting plate (16), and a steel wire rope (19) is arranged at the upper supporting seat (18); The bottom of the supporting bottom plate (5) is provided with a transverse tube (24), a rotating shaft (25) arranged on the supporting bottom plate (5) and an adjusting seat (26) in rotating fit with the rotating shaft (25).
  3. 3. The side span special-shaped bridge structure auxiliary construction equipment as claimed in claim 2, wherein four support columns (10) are arranged, and the four support columns (10) are positioned at four corners of the lower lifting plate (6).
  4. 4. The side span special-shaped bridge structure auxiliary construction equipment according to claim 2, wherein the support bottom plate (5) is provided with rails (8) and sliding blocks (9) which are in sliding fit with the rails (8), the sliding blocks (9) are arranged on the lower lifting plate (6), the rails (8) are provided with two rails (8) which are distributed in parallel.
  5. 5. The side span special-shaped bridge structure auxiliary construction equipment as claimed in claim 2, wherein one end of the movable plate (13) far away from the main supporting plate (12) is provided with two auxiliary supporting plates (14), and the two auxiliary supporting plates (14) are symmetrically distributed along the central line of the main supporting plate (12).
  6. 6. The side span special-shaped bridge structure auxiliary construction equipment according to claim 5, wherein three movable plates (13) connected from the supporting plate (14) are arranged, and the three movable plates (13) are distributed in parallel.
  7. 7. The side span special-shaped bridge structure auxiliary construction equipment according to claim 2, wherein a first pulley (20), a second pulley (21) and a push-pull plate (22) are arranged at the lower lifting plate (6), the steel wire rope (19) passes through the first pulley (20) and the second pulley (21), the push-pull plate (22) is arranged at the tail end of the steel wire rope (19), and a second supporting driving unit (23) is arranged between the push-pull plate (22) and the lower lifting plate (6).
  8. 8. The side span special-shaped bridge structure auxiliary construction equipment as claimed in claim 2, wherein a first support driving unit (15) is arranged at the upper lifting plate (11).
  9. 9. The side span special-shaped bridge structure auxiliary construction equipment according to claim 8, wherein one end of the first support driving unit (15) is movably connected with the upper lifting plate (11), and the other end of the first support driving unit (15) is movably connected with the slave support plate (14).
  10. 10. The side span special-shaped bridge structure auxiliary construction equipment according to claim 2, wherein the transverse pipe (24) is provided with a guide rod (27) penetrating through the supporting bottom plate (5), an adjusting plate (28) connected with the guide rod (27) and positioned on the upper side of the supporting bottom plate (5), and a transposition driving mechanism (29) connected with the adjusting plate (28) and installed on the supporting bottom plate (5).

Description

Side span special-shaped bridge structure and auxiliary construction equipment thereof Technical Field The invention belongs to the technical field of bridge construction, and particularly relates to a side span special-shaped bridge structure and auxiliary construction equipment thereof. Background Bridge is a structure which is generally erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like. In order to adapt to the traffic industry of modern high-speed development, bridges are also spreading to span mountain stream, poor geology or buildings which are erected to meet other traffic needs and enable the traffic to be more convenient. When the bridge is constructed, the guardrail is required to be installed on the bridge, most of the pretreated guardrail is transported to the bridge during construction of the guardrail, auxiliary construction equipment is adopted for supporting, and then the supported guardrail is fixed, so that the assembly work of the guardrail is completed, however, the length of the produced guardrail is different in advance, the existing auxiliary construction equipment does not have an adjusting function, the position of the self-supporting point position cannot be adjusted according to the length of the guardrail, the existing auxiliary construction equipment cannot stably support the longer guardrail, when the guardrail is sent to the auxiliary construction equipment, hoisting equipment is adopted for most of the guardrail, the angle of the guardrail cannot be accurately adjusted by the hoisting equipment, when the guardrail falls onto the auxiliary construction equipment during actual construction, the angle of the guardrail is required to be manually adjusted, and the auxiliary construction equipment is used for stably storing the guardrail, the friction force between the auxiliary construction equipment and the guardrail is large, and the moving guardrail is not easy. Therefore, the application provides the side span special-shaped bridge structure and auxiliary construction equipment thereof. Disclosure of Invention The invention aims to provide a side span special-shaped bridge structure and auxiliary construction equipment thereof, so as to solve the problems that when the guardrail provided by the background technology falls on the auxiliary construction equipment, the angle of the guardrail needs to be manually adjusted, and the auxiliary construction equipment is relatively large in friction force with the guardrail for stably storing the guardrail and relatively difficult to move the guardrail. In order to achieve the above purpose, the invention provides a technical scheme that the side span special-shaped bridge structure comprises a girder, a tower pier for supporting the girder, a cable tower arranged on the girder, and a guardrail arranged on the girder, wherein a stay cable for connecting with the girder is arranged at the top of the cable tower. The auxiliary construction equipment is used for supporting guardrails in the side span special-shaped bridge structure and comprises a supporting bottom plate, a lower lifting plate and an upper lifting plate, wherein a lifting device is arranged between the supporting bottom plate and the lower lifting plate, and a supporting column is arranged between the lower lifting plate and the upper lifting plate; A main supporting plate is arranged on the upper side of the upper lifting plate, and a moving plate is inserted into the main supporting plate; The lower lifting plate is provided with an auxiliary supporting plate and a lower mounting seat which is arranged on the lower lifting plate and is in running fit with the auxiliary supporting plate, one end of the auxiliary supporting plate, which is far away from the lower mounting seat, is provided with an upper supporting seat, and a steel wire rope is arranged at the upper supporting seat; The bottom of the supporting bottom plate is provided with a transverse tube, a rotating shaft arranged on the supporting bottom plate and an adjusting seat in rotating fit with the rotating shaft. Preferably, the support columns are arranged in four, and the four support columns are positioned at four corners of the lower lifting plate. Preferably, the support bottom plate department is provided with the track, with track sliding fit's slider, the slider is installed on lower lifter plate, the track is provided with two, and two tracks parallel distribution. Preferably, one end of the moving plate far away from the main supporting plate is provided with two auxiliary supporting plates, and the two auxiliary supporting plates are symmetrically distributed along the central line of the main supporting plate. Preferably, the number of the moving plates connected with the supporting plate is three, and the three moving plates are distributed in parallel. Preferably, the lower lifting plate is provided with a first pulley, a second pulley and a push-pull pl