Suspension cable fixing device of bridge

Abstract

The suspension cable fixing device comprises a first steel wire rope and a second steel wire rope which are arranged in parallel, the two ends of the first steel wire rope and the two ends of the second steel wire rope are oppositely pulled and fixed to a load-bearing structure of a large-span building, and a plurality of U-shaped hanging brackets are arranged below the first steel wire rope and the second steel wire rope. The two ends of the U-shaped hanging bracket are fixed to the first steel wire rope and the second steel wire rope respectively, and the bridge is fixed in the U shape of the U-shaped hanging bracket. The utility model can be used in buildings with high floors, large span, inconvenient arrangement of fixed points or no fixed points, but moderate bridge installation height, and realizes the advantages of convenient installation, low cost, firmness and reliability; the bridge frame is fixed through the two steel wire ropes, when the bridge frame is fixed, the flexible steel wire ropes can dissipate part of force transmitted to the bridge frame when a building vibrates, and the damping effect on the bridge frame is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge frame fixing, in particular to a suspension cable fixing device for a bridge frame. Background Art

[0002] A bridge is a structural support system installed inside or outside a building for carrying, protecting and managing power cables, communication equipment, pipelines and other lines. The bridge is generally mounted on a wall or suspended on the roof, so that cables and pipelines can be suspended from the ground or other places without affecting people's passage or occupying the ground. The main functions of the bridge are: 1. Carrying lines: The bridge supports power cables, communication equipment, pipelines and other lines so that they can bear weight and transmit signals; 2. Protecting lines: The bridge plays a role in protecting cables and pipelines, which can reduce external damage to the lines; 3. Managing lines: The bridge can effectively manage the lines, facilitate maintenance and overhaul, and also facilitate later expansion and updating and maintenance; 4. Beautifying buildings: The design and installation of the bridge can be well integrated into the shape and style of the building to ensure the beauty of the building.

[0003] With the continuous development of society, more public buildings adopt steel structures and large-span buildings, such as airports, comprehensive gymnasiums, shopping malls, railway stations, factories, etc. Such buildings have high floors and large spans; and the existing bridge installation methods mostly use screw hangers and angle steel brackets to fix on beams or wall columns. The support spacing between two adjacent hangers or brackets is usually 1.5-3m. For example, the Chinese utility model patent with application number CN202120354028.0 discloses a bus duct with a suspended installation structure. This type of installation method is difficult to install in buildings with high floors and large spans, and there is no fixed bridge position; if an extra-long hanger is used to install the bridge on the roof, it will not only waste the hanger material, but also greatly increase the load on the roof of the building, and the arrangement of hangers with small spacing and large length will also affect the appearance; if a ground bracket is used to support the bridge, it will affect the use of ground space; therefore, for the electrical construction of large-span buildings, bridge installation is a technical problem that needs to be solved urgently. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a suspension cable fixing device for a bridge frame.

[0005] The utility model is realized by the following technical solutions:

[0006] A suspension cable fixing device for a bridge, comprising:

[0007] A first steel wire rope (1) is fixed at both ends to a load-bearing structure of a large-span building;

[0008] A second steel wire rope (2), both ends of which are pulled and fixed on the load-bearing structure of the large-span building, and the second steel wire rope (2) is arranged in parallel with the first steel wire rope (1);

[0009] A plurality of U-shaped hangers (3) are arranged in an array below the first steel wire rope (1) and the second steel wire rope (2), with two ends respectively fixed on the first steel wire rope (1) and the second steel wire rope (2), and are used to carry and install a bridge frame (5), and the bridge frame (5) is fixed in the U shape of the U-shaped hanger (3).

[0010] A further solution is that hooks (31) are provided at both ends of the U-shaped hanger (3), threaded holes (32) are provided on the hooks (31), and limiting bolts (33) are provided in the threaded holes (32).

[0011] A further solution is that the distance between two adjacent U-shaped hangers (3) ranges from 1.5 to 2.0 meters.

[0012] A further solution is that a bridge fixing hole (34) is provided on the bottom cross bar of the U-shaped hanger (3), and through holes corresponding to the bridge fixing holes (34) at the bottom of the U-shaped hanger (3) are arranged at the bottom of the bridge (5), and the bridge (5) is fixed to the U-shaped hanger (3) by bolts passing through the through holes and the bridge fixing holes (34).

[0013] A further solution is that a plurality of steel wire rope hangers (4) are arranged above the first steel wire rope (1) and the second steel wire rope (2), the first steel wire rope (1) and the second steel wire rope (2) are respectively fixed on both sides of the bottom end of the steel wire rope hanger (4), and the top end of the steel wire rope hanger (4) is fixed on the roof of the large-span building.

[0014] A further solution is that the distance between two adjacent wire rope hangers (4) ranges from 10 to 30 meters.

[0015] A further solution is that both ends of the first steel wire rope (1) and the second steel wire rope (2) are fixed to the load-bearing structure of the large-span building through anchoring rods (11).

[0016] A further solution is that the U-shaped hanger (3) is made of lightweight aluminum alloy or high-strength non-metallic composite material.

[0017] The working principle of this utility model:

[0018] The utility model uses two steel wire ropes (1, 2) which are parallel and fixed on the load-bearing structures on both sides of a large-span building as horizontal hangers for bearing a bridge frame (5), and arranges a plurality of U-shaped hangers (3) on the two steel wire ropes (1, 2) as brackets for installing the bridge frame (5). During installation, according to the required height and position of the bridge frame (5), the four anchor rods (11) are grouped in pairs and fixed on the load-bearing structures on both sides of the large-span building respectively. The spacing between the two anchor rods (11) installed on the same side is determined according to the spacing size of the hooks (31) at both ends of the U-shaped hanger (3), ensuring that the four anchor rods (11) are aligned in pairs and at the same height; then the two ends of the first steel wire rope (1) and the second steel wire rope (2) are respectively passed through the pull rings at the front ends of the four anchor rods (11), and the steel wire ropes (1, 2) are tightened by the tensioner, and then the two ends of the first steel wire rope (1) and the second steel wire rope (2) are respectively fixed by the steel rope fixing clamp; then the steel wire rope hanger (4) is installed on the roof of the large-span building directly above the steel wire ropes (1, 2) along the direction of the steel wire ropes (1, 2), and a steel wire rope hanger (4) is installed every 10-30 meters to ensure The bottoms of all the wire rope hangers (4) are located at the same height as the anchor rod (11), and the first wire rope (1) and the second wire rope (2) are fixed on both sides of the bottom of the wire rope hanger (4); then, a plurality of U-shaped hangers (3) are arranged on the two wire ropes (1, 2), and the spacing between the U-shaped hangers (3) is 1.5-2.0 meters. The hooks (31) at both ends of the U-shaped hanger (3) are respectively hooked on the first wire rope (1) and the second wire rope (2), and then two limit bolts (33) are respectively screwed into the threaded holes (32) on both sides of the U-shaped hanger (3), and the limit bolts (33) are tightened until the front end is pressed against the U-shaped hanger (3); then, the bridge frame (5) is placed in the groove formed by the plurality of U-shaped hangers (3), and the bridge frame (5) is fixed on the U-shaped hanger (3) by bolts; after the bridge frame (5) is installed, the cable can be laid on the bridge frame (5).

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model can be used in buildings with high floors, large spans, inconvenient or no fixed points, but with a moderate installation height of the bridge frame (5), thereby achieving convenient installation, low cost, firmness and reliability.

[0021] The utility model greatly reduces the number of construction workers who install the hanger on the top of the building, reduces the time for construction workers to work at high altitudes, and improves operational safety.

[0022] The utility model fixes a bridge frame (5) by means of two steel wire ropes (1, 2); while fixing the bridge frame (5), the flexible steel wire ropes (1, 2) can partially dissipate the force transmitted to the bridge frame (5) when the building vibrates, thereby achieving a shock-absorbing effect on the bridge frame (5).

[0023] The loads of the two steel wire ropes (1, 2) of the utility model are mainly borne by the load-bearing structures on both sides of the large-span building, and the steel wire rope hanger (4) may not be used or a small amount of steel wire rope hangers (4) may be used for auxiliary support. The load borne by the steel wire rope hanger (4) is relatively small, thereby greatly reducing the load on the roof of the large-span building. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 It is a three-dimensional structural schematic diagram of the U-shaped hanger of the utility model;

[0026] Figure 3 This is a front view of the U-shaped hanger of the utility model;

[0027] Figure 4 This is a diagram of the use state of the utility model;

[0028] Figure 5 For this utility model Figure 4 A partial enlarged view of point A in the middle.

[0029] Numbers in the figure:

[0030] 1-first steel wire rope, 11-anchoring rod;

[0031] 2- Second wire rope;

[0032] 3-U-shaped hanger, 31-hook, 32-threaded hole, 33-limiting bolt, 34-bridge fixing hole;

[0033] 4-Wire rope hanger;

[0034] 5-Bridge. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the utility model, its specific implementation method is described in detail below with reference to the accompanying drawings.

[0036] like Figure 1-5 As shown, a suspension cable fixing device for a bridge frame includes a first steel wire rope 1 and a second steel wire rope 2 arranged parallel to each other, both ends of the first steel wire rope 1 and the second steel wire rope 2 are pulled and fixed on the load-bearing structure of a large-span building, a plurality of U-shaped hangers 3 are arranged below the first steel wire rope 1 and the second steel wire rope 2, both ends of the U-shaped hangers 3 are respectively fixed on the first steel wire rope 1 and the second steel wire rope 2, and a bridge frame 5 is fixed in the U-shape of the U-shaped hanger 3.

[0037] In an embodiment, Figure 2 , 3As shown, hooks 31 are provided at both ends of the U-shaped hanger 3, and the hooks 31 facilitate the U-shaped hanger 3 to be hung on the first steel wire rope 1 and the second steel wire rope 2, so as to facilitate the installation of the U-shaped hanger 3.

[0038] In an embodiment, Figure 2 , 3 As shown, a threaded hole 32 is provided on the hook 31, and a limiting bolt 33 is provided in the threaded hole 32; the limiting bolt 33 is located below the first steel wire rope 1 and the second steel wire rope 2, and is used to limit the first steel wire rope 1 and the second steel wire rope 2 in the hook 31 to prevent the two ends of the U-shaped hanger 3 from detaching from the first steel wire rope 1 and the second steel wire rope 2 and being unable to bear the bridge frame 5.

[0039] In the embodiment, the distance between two adjacent U-shaped hangers 3 is in the range of 1.5-2.0 meters, ensuring that each section of the bridge frame 5 is firmly fixed.

[0040] In an embodiment, Figure 2 , 3 As shown, a bridge fixing hole 34 is provided on the bottom cross bar of the U-shaped hanger 3, and through holes corresponding to several bridge fixing holes 34 at the bottom of the U-shaped hanger 3 are arranged at the bottom of the bridge 5. The bridge 5 is fixed to the U-shaped hanger 3 by bolts passing through the through holes and the bridge fixing holes 34 to prevent the bridge 5 from being displaced on the U-shaped hanger 3.

[0041] In an embodiment, Figure 4 As shown, a plurality of steel wire rope hangers 4 are arranged above the first steel wire rope 1 and the second steel wire rope 2, the first steel wire rope 1 and the second steel wire rope 2 are respectively fixed on both sides of the bottom end of the steel wire rope hanger 4, and the top end of the steel wire rope hanger 4 is fixed on the roof of the large-span building; a steel wire rope hanger 4 is arranged within a certain distance to connect the two steel wire ropes 1 and 2, and a part of the force carried by the two steel wire ropes 1 and 2 is transferred to the roof of the large-span building to prevent the two steel wire ropes 1 and 2 from being difficult to carry the hanger 4 due to the large span.

[0042] In the embodiment, the spacing between two adjacent wire rope hangers 4 ranges from 10 to 30 meters; the large spacing between the wire rope hangers 4 can not only transfer a part of the force carried by the two steel wire ropes 1 and 2 to the roof of the large-span building, but also will not increase the load on the roof due to too many wire rope hangers 4; the wire rope hangers 4 can also evenly bear the load of the two steel wire ropes 1 and 2, so that the two steel wire ropes 1 and 2 can be kept in a horizontal state as much as possible. If the two steel wire ropes 1 and 2 with a large span do not have the wire rope hangers 4 to share the load, the middle parts of the two steel wire ropes 1 and 2 are prone to bend downward, and U-shaped hangers 3 of different heights are required to straighten the bridge frame 5, which complicates the installation operation of the bridge frame 5.

[0043] In an embodiment, Figure 5As shown, both ends of the first steel wire rope 1 and the second steel wire rope 2 are fixed to the load-bearing structure of the large-span building through the anchor rod 11, and the first steel wire rope 1 and the second steel wire rope 2 are fixed to the pull ring at the head of the anchor rod 11 through the wire rope fixing rope clamp, so as to facilitate the adjustment of the length and tightness of the first steel wire rope 1 and the second steel wire rope 2; when the load-bearing structure is a reinforced concrete structure, the tail of the anchor rod 11 is expanded and buried in the load-bearing structure; when the load-bearing structure is a steel structure, the tail of the anchor rod 11 is welded or threadedly connected to the steel structure.

[0044] In the embodiment, the U-shaped hanger 3 and the bridge 5 are made of lightweight aluminum alloy or high-strength non-metallic composite materials to reduce the weight of the U-shaped hanger 3 and the bridge 5 as much as possible to reduce the load on the first steel wire rope 1 and the second steel wire rope 2.

[0045] Working mode of the utility model:

[0046] When installing this utility model:

[0047] Step 1: According to the required height and position of the bridge frame 5, the four anchor rods 11 are grouped in pairs and fixed on the load-bearing structures on both sides of the large-span building, ensuring that the four anchor rods 11 are aligned in pairs and at the same height; the left and right spacing of the two anchor rods 11 at the same installation position is determined according to the spacing size of the hooks 31 at both ends of the U-shaped hanger 3.

[0048] Step 2: Pass both ends of the first steel wire rope 1 and the second steel wire rope 2 through the pull rings at the front ends of the four anchor rods 11, ensure that the first steel wire rope 1 is arranged parallel to the second steel wire rope 2, tighten the steel wire ropes 1 and 2, and then fix both ends of the first steel wire rope 1 and the second steel wire rope 2 respectively by steel rope fixing clamps.

[0049] Step 3: Install the wire rope hanger 4 along the direction of the wire ropes 1 and 2 on the roof of the large-span building directly above the wire ropes 1 and 2, and install a wire rope hanger 4 every 10-30 meters to ensure that the bottom of all the wire rope hangers 4 is at the same height as the anchor rod 11, and then fix the first wire rope 1 and the second wire rope 2 on both sides of the bottom of the wire rope hanger 4.

[0050] Step 4: Arrange and place multiple U-shaped hangers 3 on the two steel wire ropes 1 and 2, with a spacing of 1.5-2.0 meters between the U-shaped hangers 3, and respectively hook the hooks 31 at both ends of the U-shaped hanger 3 on the first steel wire rope 1 and the second steel wire rope 2, and then screw two limit bolts 33 into the threaded holes 32 on both sides of the U-shaped hanger 3, and tighten the limit bolts 33 until the front end is pressed against the U-shaped hanger 3.

[0051] Step 5: Place the bridge 5 into the groove formed by several U-shaped hangers 3, and tighten the bridge 5 by passing bolts through the bridge 5 and the bridge fixing holes 34 on the bottom cross beams of the U-shaped hangers 3; after the bridge 5 is installed, lay cables on the bridge 5.

[0052] It should be noted that the above detailed introduction of the technical solution of the utility model and the description of the principle of the utility model are provided, and the above description of the working principle is only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0053] The technical personnel in the technical field of the utility model can make modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, which shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A suspension cable fixing device for a bridge, characterized in that: include: A first steel wire rope (1) is fixed at both ends to a load-bearing structure of a large-span building; A second steel wire rope (2), both ends of which are pulled and fixed on the load-bearing structure of the large-span building, and the second steel wire rope (2) is arranged in parallel with the first steel wire rope (1); A plurality of U-shaped hangers (3) are arranged in an array below the first steel wire rope (1) and the second steel wire rope (2), with two ends respectively fixed on the first steel wire rope (1) and the second steel wire rope (2), and are used to carry and install a bridge frame (5), and the bridge frame (5) is fixed in the U shape of the U-shaped hanger (3).

2. The cable fixing device for a bridge according to claim 1, characterized in that: The U-shaped hanger (3) is provided with hooks (31) at both ends, the hooks (31) are provided with threaded holes (32), and limiting bolts (33) are provided in the threaded holes (32).

3. The cable fixing device for a bridge according to claim 1, characterized in that: The distance between two adjacent U-shaped hangers (3) ranges from 1.5 to 2.0 meters.

4. The cable fixing device for a bridge according to claim 1, characterized in that: The bottom cross bar of the U-shaped hanger (3) is provided with a bridge fixing hole (34), and the bottom of the bridge (5) is arranged with through holes corresponding to the bridge fixing holes (34) at the bottom of the U-shaped hanger (3), and the bridge (5) is fixed to the U-shaped hanger (3) by bolts passing through the through holes and the bridge fixing holes (34).

5. The suspension cable fixing device for a bridge according to claim 1, characterized in that: A plurality of steel wire rope hangers (4) are arranged above the first steel wire rope (1) and the second steel wire rope (2); the first steel wire rope (1) and the second steel wire rope (2) are respectively fixed on both sides of the bottom end of the steel wire rope hanger (4); and the top end of the steel wire rope hanger (4) is fixed on the roof of a large-span building.

6. The cable fixing device for a bridge according to claim 5, characterized in that: The distance between two adjacent wire rope hangers (4) ranges from 10 to 30 meters.

7. The cable fixing device for a bridge according to claim 1, characterized in that: Both ends of the first steel wire rope (1) and the second steel wire rope (2) are fixed to the load-bearing structure of the large-span building through anchoring rods (11).

8. The cable fixing device for a bridge according to claim 1, characterized in that: The U-shaped hanger (3) is made of lightweight aluminum alloy or high-strength non-metallic composite material.

Images