High-altitude steel supporting structure for cable bent tower beam of cable-stayed bridge

Abstract

The utility model relates to the technical field of bridge supporting, and provides a cable-stayed bridge cable bent tower beam high-altitude steel supporting structure which comprises a main beam, a cable bent tower and a stay cable, the cable bent tower and the stay cable are fixedly connected with the main beam, a bearing column is fixedly installed at the bottom of the main beam, two first L-shaped plates are fixedly installed at the bottom of the main beam, and the first L-shaped plates are fixedly connected with the bearing column. The two L-shaped plates I are fixedly mounted on the two sides, close to the lower end, of the bearing column and are symmetrical, and the two L-shaped plates II are fixedly mounted on the two sides, close to the lower end, of the bearing column and are symmetrical; the two connectors are embedded into T-shaped grooves formed in the outer surfaces of the two first L-shaped plates and the two second L-shaped plates through T-shaped plates correspondingly, the opposite faces of the two connectors are movably connected with supporting rods, the supporting rods can play a supporting role to improve the bearing capacity of the main beam, a connecting plate can be pulled through a handle to drive a limiting pin to move out of a round hole, and therefore the supporting effect is achieved. And the number of the supporting rods can be adjusted according to requirements, so that the bearing capacity of the main beam is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge supports, in particular to a high-altitude steel support structure for a cable-stayed bridge tower beam. Background Art

[0002] The cable tower of a cable-stayed bridge is a key component of the cable-stayed bridge structure, playing a key role in supporting and transmitting force. A cable-stayed bridge is mainly composed of three parts: the cable tower, the main beam and the cable.

[0003] Traditional high-altitude steel support structures are installed by welding or bolting. It is not convenient to disassemble when the support structure needs to be repaired or replaced, which is time-consuming and labor-intensive. It is also not convenient to increase the support structure according to the bearing capacity, thereby reducing the bearing capacity of the bridge. The buffering effect of the traditional support structure is also relatively low, which makes it easy to break, thereby reducing the service life of the support structure. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the traditional high-altitude steel support structure is installed by welding or bolting, which is inconvenient to disassemble when the support structure needs to be repaired or replaced, which is relatively time-consuming and labor-intensive, and it is not convenient to increase the support structure according to the bearing capacity, thereby reducing the bearing capacity of the bridge. The buffering effect of the traditional support structure is also relatively low, which is easy to cause it to break, thereby reducing the service life of the support structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-altitude steel support structure of a cable-stayed bridge tower beam, comprising: a main beam, a tower and a cable, wherein the tower and the cable are fixedly connected to the main beam, a load-bearing column is fixedly installed at the bottom of the main beam, two L-shaped plates are fixedly installed at the bottom of the main beam, and the two L-shaped plates are symmetrical, and further comprising:

[0006] Two L-shaped plates 2 are fixedly mounted on both sides of the load-bearing column near the lower end, and the two L-shaped plates 2 are symmetrical;

[0007] A plurality of T-shaped grooves are respectively arranged on the outer surfaces of the two L-shaped plates 1 and 2.

[0008] Preferably, the plurality of T-shaped slots are evenly divided into two groups, a plurality of T-shaped plates are movably embedded in the two groups of T-shaped slots, and a circular hole is opened on one side of the two groups of T-shaped plates.

[0009] The technical effect of adopting the above further solution is that the T-shaped plate is embedded in the T-shaped groove, which makes it convenient to install and remove the support rod.

[0010] Preferably, connectors are fixedly mounted on the outer surfaces of the two groups of T-shaped plates, and supporting rods are movably connected to the opposite surfaces of the two groups of connectors.

[0011] The technical effect of adopting the above further solution is that the support rod can play a role in supporting the main beam, thereby improving the bearing capacity of the main beam.

[0012] Preferably, a through hole is opened at the center of each of the plurality of support rods, and a plurality of limit pins are movably embedded in the outer surfaces of the two L-shaped plates 1 and 2.

[0013] The technical effect of adopting the above further solution is that the limiting pin is embedded in the inside of the circular hole to limit and fix the T-shaped plate.

[0014] Preferably, a connecting plate is fixedly mounted on one end of each of the plurality of limit pins, and a return spring is fixedly connected to the opposite surfaces of the two groups of connecting plates and the L-shaped plate one and the L-shaped plate two.

[0015] The technical effect of adopting the above further solution is that the reset spring can drive the limit pin to automatically embed into the inside of the circular hole, thereby limiting and fixing the T-shaped plate.

[0016] Preferably, the plurality of return springs are movably sleeved on the outer surface of the limit pin, and handles are fixedly mounted on the outer surfaces of the two groups of connection plates.

[0017] The technical effect of adopting the above further solution is that the handle can drive the connecting plate to pull the limit pin to move.

[0018] Preferably, a plurality of dampers are fixedly mounted on the bottom of the main beam, and the plurality of dampers are evenly divided into two groups, and a U-shaped plate is fixedly mounted on one end of the two groups of dampers.

[0019] The technical effect of adopting the above further solution is that the damper can reduce vibration and impact to protect the main beam, and also improve the stability, safety and service life of the main beam.

[0020] Preferably, the outer surfaces of the two groups of U-shaped plates are provided with limiting holes, and the interiors of the two groups of limiting holes are threadedly installed with fixing bolts.

[0021] The technical effect of adopting the above further solution is that the damper can be connected to the support rod by fixing the bolts.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are:

[0023] 1. In the utility model, two groups of connectors are respectively embedded in the T-shaped grooves provided on the outer surfaces of the two groups of L-shaped plates 1 and 2 through T-shaped plates. The opposite surfaces of the two groups of connectors are movably connected with support rods, which can play a supporting role to improve the bearing capacity of the main beam. The connecting plate can be pulled by the handle to drive the limit pin to move out of the inside of the round hole, so that the support rod can be easily removed. The number of support rods can be adjusted according to needs, thereby improving the bearing capacity of the main beam. If one of the support rods is damaged, it is also convenient to replace it.

[0024] 2. In the utility model, two groups of dampers are fixedly installed at the bottom of the main beam, and the other ends of the two groups of dampers are connected to the support rod through a U-shaped plate. The support rod and the damper can be connected by passing the fixing bolts through the limit holes and the through holes. The damper can reduce vibration and impact to protect the main beam, and also improve the stability, safety and service life of the main beam. The movable connection between the support rod and the two groups of connectors can play a buffering role to prevent the support rod from being squeezed, damaged, or even broken. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A structural schematic diagram of a high-altitude steel support structure of a cable-stayed bridge tower beam is proposed for the utility model;

[0026] Figure 2 A schematic diagram of the explosion structure of a high-altitude steel support structure of a cable-stayed bridge tower beam is proposed for the utility model;

[0027] Figure 3 A partial cross-sectional structural schematic diagram of a high-altitude steel support structure of a cable-stayed bridge tower beam is proposed for the utility model;

[0028] Figure 4 The utility model proposes a high-altitude steel support structure for the cable tower beam of a cable-stayed bridge. Figure 2 Enlarged structural diagram at A in the middle.

[0029] Legend:

[0030] 1. Main beam; 101. Cable tower; 102. Cable-stayed cable; 103. Load-bearing column; 104. L-shaped plate 2; 1041. L-shaped plate 1; 105. T-shaped plate; 106. Connecting plate; 107. Handle; 108. Connector; 109. Support rod; 110. Damper; 111. U-shaped plate; 112. Fixing bolt; 113. Limiting hole; 114. Through hole; 115. Round hole; 116. T-shaped slot; 117. Limiting pin; 118. Return spring. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0033] Embodiment 1, as Figure 1-4 As shown, the utility model provides a high-altitude steel support structure of a cable-stayed bridge tower beam, including: a main beam 1, a tower 101 and a cable 102, the tower 101 and the cable 102 are fixedly connected to the main beam 1, a load-bearing column 103 is fixedly installed at the bottom of the main beam 1, two L-shaped plates 1041 are fixedly installed at the bottom of the main beam 1, and the two L-shaped plates 1041 are symmetrical, and also include: two L-shaped plates 104, both fixedly installed on both sides of the load-bearing column 103 near the lower end, and the two L-shaped plates 104 are symmetrical; a plurality of T-shaped grooves 116 are respectively opened in the two L-shaped The outer surface of plate one 1041 and L-shaped plate two 104; multiple T-shaped grooves 116 are evenly divided into two groups, multiple T-shaped plates 105 are movably embedded in the interior of the two groups of T-shaped grooves 116, and one side of the two groups of T-shaped plates 105 is provided with a circular hole 115; connectors 108 are fixedly installed on the outer surfaces of the two groups of T-shaped plates 105, and the opposite surfaces of the two groups of connectors 108 are movably connected with support rods 109; through holes 114 are provided at the centers of the multiple support rods 109, and multiple limit pins 117 are movably embedded on the outer surfaces of the two L-shaped plates one 1041 and L-shaped plate two 104.

[0034] In this embodiment, the two groups of connectors 108 are respectively embedded in the T-shaped grooves 116 opened on the outer surfaces of the two groups of L-shaped plates 1 1041 and 104 through the T-shaped plates 105. The opposite surfaces of the two groups of connectors 108 are movably connected with support rods 109. The support rods 109 can play a supporting role to increase the bearing capacity of the main beam 1. The connecting plate 106 can be pulled by the handle 107 to drive the limit pin 117 to move out of the circular hole 115, so that the support rod 109 can be easily removed. The number of support rods 109 can be adjusted according to needs to increase the bearing capacity of the main beam 1. If one of the support rods 109 is damaged, it is also convenient to replace it.

[0035] Embodiment 2, as Figure 1-4As shown, a connecting plate 106 is fixedly installed at one end of a plurality of limit pins 117, and reset springs 118 are fixedly connected to the opposite surfaces of the two groups of connecting plates 106 and the L-shaped plate 1 1041 and the L-shaped plate 2 104; a plurality of reset springs 118 are movably sleeved on the outer surface of the limit pins 117, and a handle 107 is fixedly installed on the outer surface of the two groups of connecting plates 106; a plurality of dampers 110 are fixedly installed at the bottom of the main beam 1, and the plurality of dampers 110 are evenly divided into two groups, and a U-shaped plate 111 is fixedly installed at one end of the two groups of dampers 110; a limiting hole 113 is provided on the outer surface of the two groups of U-shaped plates 111, and fixing bolts 112 are threadedly installed inside the two groups of limiting holes 113.

[0036] In this embodiment, two groups of dampers 110 are fixedly installed at the bottom of the main beam 1. The other ends of the two groups of dampers 110 are connected to the support rod 109 through a U-shaped plate 111. The fixing bolts 112 pass through the limiting holes 113 and the through holes 114 to connect the support rod 109 and the dampers 110. The dampers 110 can reduce vibration and impact to protect the main beam 1, and also improve the stability, safety and service life of the main beam 1. The active connection between the support rod 109 and the two groups of connectors 108 can play a buffering role to prevent the support rod 109 from being squeezed, damaged, or even broken.

[0037] Working principle: When in use, the two groups of connectors 108 are respectively embedded in the T-shaped grooves 116 opened on the outer surfaces of the two groups of L-shaped plates 1 1041 and L-shaped plates 2 104 through the T-shaped plates 105. The opposite surfaces of the two groups of connectors 108 are movably connected with support rods 109. The support rods 109 can play a supporting role to improve the bearing capacity of the main beam 1. The connection plate 106 can be pulled by the handle 107 to drive the limit pin 117 to move out of the inside of the round hole 115, so that the support rods 109 can be easily removed. The number of support rods 109 can be adjusted according to needs, thereby improving the bearing capacity of the main beam 1. One of them If the support rod 109 is damaged, it is convenient to replace it. Two groups of dampers 110 are fixedly installed at the bottom of the main beam 1. The other ends of the two groups of dampers 110 are connected to the support rod 109 through a U-shaped plate 111. The fixing bolts 112 pass through the limiting holes 113 and the through holes 114 to connect the support rod 109 with the damper 110. The damper 110 can reduce vibration and impact to protect the main beam 1, and also improve the stability, safety and service life of the main beam 1. The support rod 109 and the two groups of connectors 108 are movably connected to play a buffering role to prevent the support rod 109 from being squeezed, damaged, or even broken.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A high-altitude steel support structure for a cable-stayed bridge tower beam, comprising: A main beam (1), a cable tower (101) and a cable stay (102), wherein the cable tower (101) and the cable stay (102) are fixedly connected to the main beam (1), a load-bearing column (103) is fixedly installed at the bottom of the main beam (1), and two L-shaped plates (1041) are fixedly installed at the bottom of the main beam (1), and the two L-shaped plates (1041) are symmetrical, and are characterized by further comprising: Two L-shaped plates (104) are fixedly mounted on both sides of the load-bearing column (103) near the lower end, and the two L-shaped plates (104) are symmetrical; A plurality of T-shaped grooves (116) are respectively provided on the outer surfaces of the two L-shaped plates (1041) and (104).

2. The high-altitude steel support structure for the cable-stayed bridge tower beam according to claim 1 is characterized by: The plurality of T-shaped slots (116) are evenly divided into two groups, and a plurality of T-shaped plates (105) are movably embedded inside the two groups of T-shaped slots (116), and a round hole (115) is opened on one side of the two groups of T-shaped plates (105).

3. The high-altitude steel support structure for the cable-stayed bridge tower beam according to claim 2 is characterized in that: Connectors (108) are fixedly mounted on the outer surfaces of the two groups of T-shaped plates (105), and supporting rods (109) are movably connected to the opposite surfaces of the two groups of connectors (108).

4. The high-altitude steel support structure for the cable-stayed bridge tower beam according to claim 3 is characterized by: A through hole (114) is provided at the center of each of the plurality of support rods (109), and a plurality of limit pins (117) are movably embedded on the outer surfaces of the two L-shaped plates (1041) and the L-shaped plate (104).

5. The high-altitude steel support structure for the cable-stayed bridge tower beam according to claim 4 is characterized by: A connecting plate (106) is fixedly mounted on one end of each of the plurality of limit pins (117), and a return spring (118) is fixedly connected to the opposite surfaces of the two groups of connecting plates (106) and the L-shaped plate 1 (1041) and the L-shaped plate 2 (104).

6. The high-altitude steel support structure for the cable-stayed bridge tower beam according to claim 5 is characterized by: The plurality of return springs (118) are movably sleeved on the outer surface of the limit pin (117), and the outer surfaces of the two groups of connection plates (106) are fixedly mounted with handles (107).

7. The high-altitude steel support structure for the tower beam of a cable-stayed bridge according to claim 1 is characterized by: A plurality of dampers (110) are fixedly mounted on the bottom of the main beam (1), and the plurality of dampers (110) are evenly divided into two groups, and a U-shaped plate (111) is fixedly mounted on one end of each of the two groups of dampers (110).

8. The high-altitude steel support structure for the cable-stayed bridge tower beam according to claim 7 is characterized by: The outer surfaces of the two groups of U-shaped plates (111) are provided with limiting holes (113), and the interiors of the two groups of limiting holes (113) are threadedly installed with fixing bolts (112).

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