Flexible tie bar supporting frame device

Abstract

The utility model discloses a flexible tie bar supporting frame device, and belongs to the technical field of arch bridge construction. The flexible tie bar supporting frame device is a combinable device and is easy to disassemble, and follow-up maintenance of the tie bar is facilitated; the flexible tie bar supporting frame device is formed by combining a plurality of sub-devices and is suitable for different conditions, and the flexibility and practicability of the flexible tie bar supporting frame device are improved; according to the flexible tie bar supporting frame device, the saddle-shaped liner is adopted as the supporting part, and compared with an existing idler wheel for supporting, the flexible tie bar supporting frame device is not prone to deformation, and the service life of a tie bar is prolonged.

Description

Technical Field

[0001] The utility model relates to a flexible tie rod support frame device and belongs to the technical field of arch bridge construction. Background Art

[0002] The tied arch bridge is a composite structural system composed of arch ribs, tie rods, suspenders, etc., which has good development prospects and is suitable for large-span bridge structures. Tie rods can be divided into rigid tie rods and flexible tie rods according to their stiffness compared with the arch ribs. Rigid tie rods can withstand both tension and pressure, while flexible tie rods only withstand tension. The design and construction of tie rods is one of the key technologies of steel tube concrete tied arch bridges, which involves the structure, common diseases, design considerations and key technologies in the construction process of tied arch bridges.

[0003] In the prior art, the tie rod is generally supported by rollers, but problems such as roller deformation and tie rod position displacement are prone to occur. Therefore, it is urgent to develop a new tie rod support method. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a flexible tie rod support frame device, and the technical solution is as follows.

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a flexible tie rod support frame device:

[0006] The flexible tie rod support frame device is a combined device, which is composed of twelve sub-devices, each of which corresponds to a tie rod; the twelve sub-devices are divided into four groups, wherein a space is reserved in the middle of each group, and a suspension rod is in the middle of the second and third groups; each group is a three-layer combination of upper, middle and lower layers, the lower layer is connected to the suspension rod cross beam by welding, and the middle layer and the lower layer, as well as the upper layer and the middle layer, are connected by bolts;

[0007] Each sub-device includes a first supporting device and a second supporting device, which are respectively placed at two ends of the tie rod, and the tie rod passes through the first supporting device and the second supporting device;

[0008] The first supporting device includes a supporting steel plate and a supporting pad, wherein the supporting steel plate includes a first steel plate, a second steel plate, and a third steel plate, wherein the first steel plate and the second steel plate are C-shaped, and the third steel plate is used to connect the first steel plate and the second steel plate, and is placed near the bottom of the first steel plate and the second steel plate; wherein the supporting pad is saddle-shaped and made of nylon material, and the supporting pad is tightly attached to the top of the third steel plate, and the two sides of the supporting pad are clamped by the first steel plate and the second steel plate, and the supporting pad and the third steel plate are connected by bolts; the second supporting device has the same structure as the first supporting device.

[0009] In one embodiment, the tie rod is protected by a stainless steel sheath at the point where the tie rod contacts the support pad.

[0010] In one embodiment, the supporting steel plate is Q355D low alloy high strength structural steel.

[0011] In one embodiment, the construction process of a flexible tie rod support frame device of the utility model in replacing tie rods is as follows:

[0012] a. Remove the tie rod protection plate and transport it to the designated location for storage;

[0013] b. A small gantry is set on the top of the tie rod support frame, supported on the non-motorized vehicle lane and the driving lane, and a hand chain hoist is set on the gantry to hoist the tie rod so that the tie rod is gently separated from the supporting coal;

[0014] c. Use small equipment to cut off the tie rod support frame and support shaft. When cutting, pay attention to setting tie rod protection measures to prevent the tie rod from being damaged;

[0015] d. Install the flexible tie rod support frame device of the utility model, the bottom layer is welded to the suspension rod cross beam, the middle layer and the upper layer are bolted, the saddle-shaped pad of the tie rod support frame is made of nylon material, and the tie rod at the support shaft is wrapped with a stainless steel sheath for protection;

[0016] e. Loosen the manual hoist and slowly unload the load so that the lateral force of the tie rod rope can be evenly and smoothly transferred to the new support frame. Repeat this process to replace other tie rod support frames.

[0017] The beneficial effects achieved by the utility model are:

[0018] The flexible tie rod support frame device of the utility model is a modular device, which is easy to disassemble and convenient for subsequent maintenance of the tie rod;

[0019] The flexible tie rod support frame device of the utility model is composed of a plurality of sub-devices, which is suitable for different situations and improves the flexibility and practicality of the utility model;

[0020] The supporting part of the flexible tie rod support frame device of the utility model adopts a saddle-type pad, which is not easy to deform compared with the existing roller support, thereby extending the service life of the tie rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view of a flexible tie rod support frame device of the utility model;

[0022] Figure 2 It is a top view of a flexible tie rod support frame device of the utility model;

[0023] Figure 3It is a front view of a sub-device of a flexible tie rod support frame device of the utility model;

[0024] Figure 4 It is a top view of a sub-device in a flexible tie rod support frame device of the utility model;

[0025] Figure 5 It is a side view of a sub-device in a flexible tie rod support frame device of the utility model;

[0026] In the figure, 1 is a sub-device, 2 is a tie rod, 3 is a hanger, 4 is a hanger beam, 11 is a first supporting device, 12 is a second supporting device, 111 is a first steel plate, 112 is a second steel plate, 113 is a third steel plate, 114 is a supporting pad, and 115 is a bolt. DETAILED DESCRIPTION

[0027] The following is a specific description of the utility model.

[0028] Example 1

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , which is a schematic structural diagram of a flexible tie rod support frame device of the utility model;

[0030] The flexible tie rod support frame device is a combined device, which is composed of twelve sub-devices 1, each of which corresponds to a tie rod 2; the twelve sub-devices 1 are divided into four groups, wherein a space is reserved in the middle of each group, and the middle of the second and third groups is a suspension rod 3; each group is a three-layer combination of upper, middle and lower layers, the lower layer is connected to the suspension rod cross beam 4 by welding, and the middle layer and the lower layer, as well as the upper layer and the middle layer, are connected by bolts;

[0031] Each sub-device 1 includes a first supporting device 11 and a second supporting device 12, which are respectively placed at two ends of the tie rod 2, and the tie rod 2 passes through the first supporting device 11 and the second supporting device 12;

[0032] The first supporting device 11 includes a supporting steel plate and a supporting pad 114, wherein the supporting steel plates include a first steel plate 111, a second steel plate 112, and a third steel plate 113, wherein the first steel plate 111 and the second steel plate 112 are C-shaped, and the third steel plate 113 is used to connect the first steel plate 111 and the second steel plate 112, and is placed near the bottom of the first steel plate 111 and the second steel plate 112; wherein the supporting pad 114 is saddle-shaped and made of nylon material, and the supporting pad 114 is tightly attached to the third steel plate 113, and the two sides of the supporting pad 114 are clamped by the first steel plate 111 and the second steel plate 112, and the supporting pad 114 and the third steel plate 113 are connected by bolts 115; the second supporting device 12 has the same structure as the first supporting device 11.

[0033] At the contact point between the tie rod 2 and the support pad 114 , the tie rod 2 is wrapped and protected with a stainless steel sheath.

[0034] The supporting steel plate is Q355D low alloy high strength structural steel.

[0035] The construction process of a flexible tie rod support frame device of the utility model in replacing tie rods is as follows:

[0036] a. Remove the tie rod protection plate and transport it to the designated location for storage;

[0037] b. A small gantry is set on the top of the tie rod support frame, supported on the non-motorized vehicle lane and the driving lane, and a hand chain hoist is set on the gantry to hoist the tie rod so that the tie rod is gently separated from the supporting coal;

[0038] c. Use small equipment to cut off the tie rod support frame and support shaft. When cutting, pay attention to setting tie rod protection measures to prevent the tie rod from being damaged;

[0039] d. Install the flexible tie rod support frame device of the utility model, the bottom layer is welded to the suspension rod cross beam, the middle layer and the upper layer are bolted, the saddle-shaped pad of the tie rod support frame is made of nylon material, and the tie rod at the support shaft is wrapped with a stainless steel sheath for protection;

[0040] e. Loosen the manual hoist and slowly unload the load so that the lateral force of the tie rod rope can be evenly and smoothly transferred to the new support frame. Repeat this process to replace other tie rod support frames.

[0041] Although the present invention has been disclosed as above in terms of preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

[0042] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A flexible tie rod support frame device, characterized in that: The flexible tie rod support frame device is a combined device, which is composed of twelve sub-devices (1), each of which corresponds to a tie rod (2); the twelve sub-devices (1) are divided into four groups, wherein a space is reserved in the middle of each group, and the middle of the second group and the third group is a suspension rod (3); each group is composed of three layers, the lower layer and the suspension rod cross beam (4) are connected by welding, and the middle layer and the lower layer, as well as the upper layer and the middle layer, are connected by bolts; Each sub-device (1) comprises a first supporting device (11) and a second supporting device (12), which are respectively placed at two ends of the tie rod (2), and the tie rod (2) passes through the first supporting device (11) and the second supporting device (12); The first supporting device (11) comprises a supporting steel plate and a supporting pad (114), wherein the supporting steel plate comprises a first steel plate (111), a second steel plate (112), and a third steel plate (113), wherein the first steel plate (111) and the second steel plate (112) are C-shaped, and the third steel plate (113) is used to connect the first steel plate (111) and the second steel plate (112), and is placed near the bottom of the first steel plate (111) and the second steel plate (112); wherein the supporting pad (114) is saddle-shaped and made of nylon material, and the supporting pad (114) is tightly attached to the top of the third steel plate (113), and the two sides of the supporting pad (114) are clamped by the first steel plate (111) and the second steel plate (112), and wherein the supporting pad (114) and the third steel plate (113) are connected by bolts (115); and the second supporting device (12) has the same structure as the first supporting device (11).

2. A flexible tie rod support frame device according to claim 1, characterized in that: At the contact point between the tie rod (2) and the supporting pad (114), the tie rod (2) is wrapped and protected by a stainless steel sheath.

3. A flexible tie rod support frame device according to claim 1, characterized in that: The supporting steel plate is Q355D low alloy high strength structural steel.

4. A flexible tie rod support frame device according to claim 1, characterized in that: The supporting steel plate is coated with anti-corrosion paint.

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