CN117266044A - Assembled compression bar structure suitable for vertical rotation of bridge - Google Patents

Assembled compression bar structure suitable for vertical rotation of bridge Download PDF

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Publication number
CN117266044A
CN117266044A CN202311249340.3A CN202311249340A CN117266044A CN 117266044 A CN117266044 A CN 117266044A CN 202311249340 A CN202311249340 A CN 202311249340A CN 117266044 A CN117266044 A CN 117266044A
Authority
CN
China
Prior art keywords
compression bar
unit
compression
bar unit
connecting sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311249340.3A
Other languages
Chinese (zh)
Inventor
吴晓
夏利剑
张彪
王静峰
张一臻
李贝贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ascg Co ltd
Hefei University of Technology
Original Assignee
Ascg Co ltd
Hefei University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ascg Co ltd, Hefei University of Technology filed Critical Ascg Co ltd
Priority to CN202311249340.3A priority Critical patent/CN117266044A/en
Publication of CN117266044A publication Critical patent/CN117266044A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/08Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/14Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention provides an assembled pressure bar structure suitable for a bridge vertical swivel, which comprises a spliced pressure bar unit, a connecting truss unit and a pressure detection unit, wherein the spliced pressure bar unit is respectively connected with two ends of the connecting truss unit, and the pressure detection unit is arranged at the bottom of the spliced pressure bar unit and used for monitoring the pressure value of a pressure bar in construction in real time. The spliced pressure lever unit can be detached and reused, the problem of large waste is avoided, the pressure value born by the pressure lever during construction can be monitored in real time through the pressure detection unit, the purposes of reducing construction cost and realizing intelligent real-time monitoring are achieved, and the construction safety is improved.

Description

Assembled compression bar structure suitable for vertical rotation of bridge
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to an assembly type compression bar structure suitable for a vertical swivel of a bridge.
Background
Currently, the infrastructure construction of China is vigorous, a large number of bridges are built, and the spans of the bridges are longer and longer. Along with the development of the economy and society of China, on the basis, people put forward higher requirements on the construction of bridges. From safety and practicability to the need of bridge, the bridge has beautiful appearance, and can be well combined with local history culture and environment. At present, the construction of a main tower upper tower column of a traditional cable-stayed bridge is often constructed by climbing a formwork, and the construction of a main tower upper beam is required to be provided with devices such as an elevator, a tower crane and the like, and concrete is poured in the air; the method has the problems of long construction period, high risk of high-altitude construction, high manufacturing cost and the like.
To above-mentioned problem, engineering practitioner has put forward a construction technique of the vertical rotation construction of main tower to cable-stayed bridge main tower construction, and its main tower can set up the support assembly and accomplish at the bridge floor, and anchor on main tower and bridge floor through the steel strand wires cable, and the centre sets up the rotation depression bar, and the installation of main tower is in order to accomplish after vertical rotation to the design position. The construction method has the advantages of short construction period and low risk, reduces the construction labor cost, and is applied to construction of a plurality of municipal bridges. But the depression bar that vertical swivel construction used bears great pressure in the work progress, exists at present and can't carry out real-time supervision's the problem to the pressure when constructing, has certain risk to the depression bar is welded steel truss structure generally, can't used repeatedly, causes certain waste.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an assembled pressure rod structure suitable for a vertical swivel of a bridge, two ends of a connecting truss unit are respectively connected with a spliced pressure rod unit, a pressure detection unit is arranged at the bottom of the spliced pressure rod unit and used for monitoring the pressure value of a pressure rod during construction in real time, the spliced pressure rod unit can be detached and reused, the problem of large waste is avoided, the pressure value born by the pressure rod during construction can be monitored in real time through the pressure detection unit, the purposes of reducing construction cost and intelligent real-time monitoring are achieved, and the safety of construction is improved.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides an assembled depression bar structure suitable for vertical rotation of bridge, includes concatenation formula depression bar unit, connects truss unit and pressure detection unit, the both ends of connecting the truss unit are connected with concatenation formula depression bar unit respectively, pressure detection unit installs the pressure value of depression bar when being used for real-time supervision construction in the bottom of concatenation formula depression bar unit.
Further, the spliced compression bar unit comprises a first compression bar unit at the top, a second compression bar unit at the middle part and a third compression bar unit at the bottom, wherein at least one group of second compression bar units are arranged, and the first compression bar unit is spliced with the second compression bar unit, the second compression bar unit is spliced with the third compression bar unit or the first compression bar unit is spliced with the second compression bar unit, the adjacent second compression bar unit and the second compression bar unit through connecting sleeves.
Further, the first compression bar unit, the second compression bar unit and the third compression bar unit comprise two groups of stabilizing bars and two groups of compression main bars, the two groups of stabilizing bars and the two groups of compression main bars are oppositely arranged, the stabilizing bars and the compression main bars are connected through a horizontal connecting rod and an inclined web member in a welded mode, the two groups of stabilizing bars are connected through a horizontal connecting rod in a welded mode, and the two groups of compression main bars are connected through a horizontal connecting rod in a welded mode to form a space stress unit.
Further, the connecting sleeve comprises a stabilizer bar connecting sleeve and a pressed main rod connecting sleeve, the stabilizer bar connecting sleeve and the pressed main rod connecting sleeve are respectively provided with a plurality of bolt holes, and the center of each bolt hole is consistent in height from the center of the connecting sleeve to the center of the corresponding opposite bolt hole, so that a pair of bolt holes are formed; the fixing bolts are arranged in each pair of bolt holes and used for splicing adjacent stabilizing rods or pressed main rods in the vertical direction, and the heights of the bolt holes of each pair are inconsistent and spirally descend.
Furthermore, the inner ring plates are welded on the inner sides of the middle parts of the stabilizer bar connecting sleeve and the pressed main rod connecting sleeve and are used for positioning the stabilizer bars or the pressed main rods adjacent to each other in the vertical direction when the stabilizer bars or the pressed main rods are spliced.
Further, two groups of pressed main rods of the first pressing rod unit at the top extend outwards and are connected with a cable adapter.
Further, the lateral connector is welded on the pressed main rod and the stabilizer rod on one side of the first pressing rod unit at the top, and the lateral connector is connected with one end of the connecting truss unit.
Further, the lower parts of the two groups of pressed main rods of the third pressing rod unit at the bottom are connected with a first flange, the first flange is connected with a second flange through a pressure detection unit, and the bottom of the second flange is connected with a hinge joint.
Further, the pressure detection unit comprises a central pressure sensor and an edge pressure sensor, the edge pressure sensor is sleeved and mounted on the first flange plate through eight bolt matching, the upper periphery of the central pressure sensor is connected with the first flange plate through eight bolts, and the lower periphery of the central pressure sensor is connected with the second flange plate through eight bolts.
Further, the first flange plate circumferential outer ring bolt holes and the inner ring bolt holes are staggered.
The beneficial effects are that: according to the invention, the spliced compression bar units are respectively connected to the two ends of the connecting truss unit, the pressure detection units are arranged at the bottoms of the spliced compression bar units and used for monitoring the pressure value of the compression bar in real time during construction, the spliced compression bar units can be detached and reused, the problem of large waste is avoided, the pressure value born by the compression bar in construction can be monitored in real time through the pressure detection units, the purposes of reducing construction cost and intelligent real-time monitoring are achieved, and the safety of construction is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic perspective view of an assembled compression bar structure suitable for a bridge vertical swivel according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a spliced compression bar unit of an assembled compression bar structure suitable for a vertical swivel of a bridge according to an embodiment of the present invention;
fig. 3 is a schematic side structural view of a spliced compression bar unit structure of an assembled compression bar structure suitable for a bridge vertical swivel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stabilizer bar connecting sleeve or a pressed main rod connecting sleeve of an assembled compression bar structure suitable for a vertical swivel of a bridge according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 2;
fig. 6 is an enlarged schematic view of the portion B in fig. 3.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
See fig. 1-6: the utility model provides an assembled depression bar structure suitable for vertical rotation of bridge, includes concatenation formula depression bar unit 1, connects truss unit 2 and pressure detection unit 3, the both ends of connecting truss unit 2 are connected with concatenation formula depression bar unit 1 respectively, pressure detection unit 3 installs the pressure value of depression bar when being used for real-time supervision construction in the bottom of concatenation formula depression bar unit 1.
The spliced pressure bar unit of this embodiment can dismantle, and reuse can not cause great extravagant problem, pressure value that the pressure bar bore when can the real-time supervision construction again through pressure detection unit reaches the purpose that reduces construction cost and intelligent real-time supervision, has improved the security of construction.
In a specific example, the spliced compression bar unit 1 includes a first compression bar unit 101 at the top, a second compression bar unit 102 at the middle, and a third compression bar unit 103 at the bottom, where the second compression bar unit 11 is provided with at least one group, and the first compression bar unit 101 and the second compression bar unit 102, the second compression bar unit 102 and the third compression bar unit 103, or the first compression bar unit 101 and the second compression bar unit 102, the adjacent second compression bar unit 102, and the second compression bar unit 102 and the third compression bar unit 103 are spliced by the connecting sleeve 4.
The spliced compression bar unit of the embodiment has a simple splicing structure, and can splice the first compression bar unit at the top, at least one group of second compression bar units at the middle part and the third compression bar unit at the bottom through the connecting sleeve, so that the spliced compression bar unit can be reused.
In a specific example, the first compression bar unit 101, the second compression bar unit 102, and the third compression bar unit 103 each include two sets of stabilizer bars 5 and two sets of compression main bars 6, the two sets of stabilizer bars 5 and the two sets of compression main bars 6 are disposed oppositely, the stabilizer bars 5 and the compression main bars 6 are welded and connected through the horizontal connecting bars 7 and the diagonal web members 8, the two sets of stabilizer bars 5 are welded and connected through the horizontal connecting bars 7, and the two sets of compression main bars 6 are welded and connected through the horizontal connecting bars 7 to form a space stress unit.
The first compression bar unit, the second compression bar unit and the third compression bar unit of the embodiment are simple in structure, the two groups of stabilizing bars and the compression main bars are connected through the horizontal connecting bars and the inclined web members in a welded mode to form a space stress unit, and the space stress unit is high in strength and good in bearing capacity.
In a specific example, the connecting sleeve 4 includes a stabilizer connecting sleeve 401 and a pressed main rod connecting sleeve 402, where the stabilizer connecting sleeve 401 and the pressed main rod connecting sleeve 402 are provided with a plurality of bolt holes, and the center of each bolt hole is identical in height from the center of the connecting sleeve to the center of the opposite corresponding bolt hole, so as to form a pair of bolt holes; the fixing bolts 9 are arranged in each pair of bolt holes and used for splicing the adjacent stabilizing rods 5 or the pressed main rods 6 in the vertical direction, and the heights of the bolt holes of each pair are inconsistent and spirally descend.
It should be noted that, the connecting sleeve of this embodiment is specially designed, and several bolt holes passing through the center of the connecting sleeve are arranged, the heights of each pair of bolt holes are consistent, and the heights of each pair of bolt holes are inconsistent and descend in spiral shape; adjacent stabilizer bars or pressed main bars in the vertical direction are spliced through fixing bolts which are spirally declined in the circumference of the connecting sleeve, so that the connecting sleeve has the advantages of high splicing strength, uniform stress, easy disassembly, firm structure and the like.
In a specific example, the inner ring plates 10 are welded on the inner sides of the middle parts of the stabilizer bar connecting sleeve 401 and the pressed main rod connecting sleeve 402, so as to position the stabilizer bars 5 or the pressed main rods 6 adjacent to each other in the vertical direction when they are spliced.
The inner ring plate of this embodiment is fixed a position when splicing stabilizer bar or pressurized mobile jib, can improve the alignment between stabilizer bar or the bolt hole of pressurized mobile jib and the corresponding connecting sleeve's bolt hole, in addition, can keep apart adjacent stabilizer bar or pressurized mobile jib concatenation each other in the vertical direction, prevents to take place the collision between the two, has improved the speed and the stability of concatenation.
In a specific implementation, the wall thickness of the inner ring plate of the embodiment is not smaller than the wall thickness of the corresponding connecting sleeve, the width of the inner ring plate is not smaller than the wall thickness of the pressed main rod or the stabilizing rod which is 2 times, and the height of the connecting sleeve is not smaller than the outer diameter of the pressed main rod or the stabilizing rod which is 1.5 times.
In a specific example, the two sets of the pressing main rods 6 of the first pressing rod unit 101 at the top extend outwards and are connected with a cable adapter 11.
The inhaul cable adapter of the embodiment is welded on the pressed main rod at the top of the compression bar structure; the length of the compression main pole of depression bar structure top and bottom all is greater than the length of the stabilizing pole in its corresponding depression bar unit to this, the depression bar structure of this embodiment provides enough big rotation space at the vertical turning during operation of cooperation bridge, prevents that the cable from taking place to interfere the collision with other depression bar structures.
In a specific example, the pressed main rod 6 and the stabilizer rod 5 on the side of the first pressing rod unit 101 at the top are welded with a lateral connector 12, and are connected to one end of the connecting truss unit 2 through the lateral connector 12.
The lateral connector of the embodiment is formed by welding at least three vertical circular steel pipes and a circular flange plate, a plurality of circular bolt holes are formed in the circular flange plate, the connecting truss unit is formed by welding an upper chord member, a lower chord member, a vertical web member and an inclined web member, the flange plates are welded at the end parts of the upper chord member and the lower chord member, and the bolt holes are formed in the flange plates; the two ends of the connecting truss unit are respectively connected with the circular flange plates connected with the compression bar structure through bolts in an assembling way, so that a compression bar structure system is formed.
In a specific example, the lower parts of the two groups of the pressing main rods 6 of the third pressing rod unit 103 at the bottom are connected with a first flange plate 13, the first flange plate 13 is connected with a second flange plate 14 through the pressure detecting unit 3, and the bottom of the second flange plate 14 is connected with a hinge joint 15.
The pressure detection unit of this embodiment is installed between first ring flange and second ring flange, and the atress is more even, and mounting structure is stable.
In a specific example, the pressure detecting unit 3 includes a central pressure sensor 301 and an edge pressure sensor 302, the first flange 13 is sleeved with the edge pressure sensor 302 through eight bolts, the upper circumference of the central pressure sensor 301 is connected with the inner circumference of the first flange 13 through eight bolts, and the lower circumference of the central pressure sensor 301 is connected with the inner circumference of the second flange 14 through eight bolts.
The pressure detection unit of the embodiment is specially designed, and is designed into a central pressure sensor and 8 peripheral edge pressure sensors in order to improve the installation strength of the pressure detection unit, wherein the pressure sensors are cylindrical and flat, the upper end and the lower end of each pressure sensor are connected with the first flange plate and the second flange plate through 8 bolts on the periphery, and the installation structure is stable; the main pressure value P1 of the pressure lever can be detected through the central pressure sensor, and the pressure value P1+8P2 born by the pressure lever in real time in the working state can be accurately obtained by adding the pressure value P2 monitored by the 8 edge pressure sensors sleeved between the first flange and the second flange through bolts.
In a specific example, the first flange 13 has a circumferential outer ring bolt hole and an inner ring bolt hole that are offset from each other.
The bolt holes of the circumferential outer ring and the inner ring of the first flange plate and the second flange plate are staggered, so that the sensor structure can be prevented from being damaged due to bending moment, the stress is more uniform, and the pressure value measured by the sensor is more accurate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. The utility model provides an assembled depression bar structure suitable for vertical turning of bridge, its characterized in that, including concatenation formula depression bar unit (1), connection truss unit (2) and pressure detection unit (3), the both ends of connection truss unit (2) are connected with concatenation formula depression bar unit (1) respectively, pressure detection unit (3) install the pressure value of depression bar when being used for real-time supervision construction in the bottom of concatenation formula depression bar unit (1).
2. The assembled compression bar structure suitable for vertical rotation of bridge according to claim 1, wherein the spliced compression bar unit (1) comprises a first compression bar unit (101) at the top, a second compression bar unit (102) at the middle part and a third compression bar unit (103) at the bottom, the second compression bar unit (11) is provided with at least one group, and the first compression bar unit (101) and the second compression bar unit (102), the second compression bar unit (102) and the third compression bar unit (103) or the first compression bar unit (101) and the second compression bar unit (102), the adjacent second compression bar unit (102) and the third compression bar unit (103) are spliced through a connecting sleeve (4).
3. The assembled compression bar structure suitable for the vertical rotation of the bridge according to claim 2, wherein the first compression bar unit (101), the second compression bar unit (102) and the third compression bar unit (103) comprise two groups of stabilizing bars (5) and two groups of compression main bars (6), the two groups of stabilizing bars (5) and the two groups of compression main bars (6) are oppositely arranged, the stabilizing bars (5) and the compression main bars (6) are welded and connected through a horizontal connecting rod (7) and a diagonal web member (8), the two groups of stabilizing bars (5) are welded and connected through the horizontal connecting rod (7), and the two groups of compression main bars (6) are welded and connected through the horizontal connecting rod (7) to form a space stress unit.
4. The fabricated compression bar structure applicable to the vertical swivel of the bridge according to claim 3, wherein the connecting sleeve (4) comprises a stabilizer bar connecting sleeve (401) and a pressed main rod connecting sleeve (402), the stabilizer bar connecting sleeve (401) and the pressed main rod connecting sleeve (402) are respectively provided with a plurality of bolt holes, and the center of each bolt hole is consistent in height from the center of the connecting sleeve to the center of the corresponding opposite bolt hole, so that a pair of bolt holes are formed; the fixing bolts (9) are arranged in each pair of bolt holes and used for splicing the adjacent stabilizing rods (5) or the pressed main rods (6) in the vertical direction, and the heights of the bolt holes of each pair are inconsistent and spirally descend.
5. The assembled compression bar structure suitable for the vertical swivel of the bridge according to claim 4, wherein the inner side of the middle part of the stabilizer bar connecting sleeve (401) and the inner side of the middle part of the pressed main bar connecting sleeve (402) are welded with an inner ring plate (10) for positioning when splicing the adjacent stabilizer bars (5) or the pressed main bars (6) in the vertical direction.
6. The assembled compression bar structure suitable for the vertical swivel of the bridge according to claim 3, characterized in that the two groups of compression main bars (6) of the first compression bar unit (101) at the top are both extended outwards and connected with a cable adapter (11).
7. The assembled compression bar structure suitable for vertical bridge swivel according to claim 3, wherein the compression main bar (6) and the stabilizer bar (5) at one side of the first compression bar unit (101) at the top are welded with lateral connectors (12), and are connected with one end of the connecting truss unit (2) through the lateral connectors (12).
8. The assembled compression bar structure suitable for the vertical swivel of the bridge according to claim 3, wherein the lower parts of the two groups of compression main bars (6) of the third compression bar unit (103) at the bottom are connected with a first flange plate (13), the first flange plate (13) is connected with a second flange plate (14) through the pressure detection unit (3), and the bottom of the second flange plate (14) is connected with a hinge joint (15).
9. The assembled compression bar structure suitable for the bridge vertical swivel according to claim 8, wherein the pressure detection unit (3) comprises a central pressure sensor (301) and an edge pressure sensor (302), the first flange plate (13) is connected with the second flange plate (14) through eight bolts in a matched and sleeved mode, the upper circumference of the central pressure sensor (301) is connected with the first flange plate (13) through eight bolts in a bolt mode, and the lower circumference of the central pressure sensor (301) is connected with the second flange plate (14) in a bolt mode through eight bolts in a bolt mode in a circumference mode.
10. The assembled compression bar structure suitable for the vertical swivel of the bridge according to claim 8, wherein the first flange plate (13) is mutually staggered with the outer ring bolt holes and the inner ring bolt holes in the circumferential direction.
CN202311249340.3A 2023-09-25 2023-09-25 Assembled compression bar structure suitable for vertical rotation of bridge Pending CN117266044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311249340.3A CN117266044A (en) 2023-09-25 2023-09-25 Assembled compression bar structure suitable for vertical rotation of bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311249340.3A CN117266044A (en) 2023-09-25 2023-09-25 Assembled compression bar structure suitable for vertical rotation of bridge

Publications (1)

Publication Number Publication Date
CN117266044A true CN117266044A (en) 2023-12-22

Family

ID=89204124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311249340.3A Pending CN117266044A (en) 2023-09-25 2023-09-25 Assembled compression bar structure suitable for vertical rotation of bridge

Country Status (1)

Country Link
CN (1) CN117266044A (en)

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