Tie bar supporting device

Abstract

The utility model discloses a tie bar supporting device, which belongs to the technical field of tie bar arch bridges and comprises a vertical supporting component fixedly arranged on a top plate of a box girder. The horizontal supporting assembly is horizontally arranged on the vertical supporting assembly, and the horizontal supporting assembly is used for supporting the tie bar; and the pipe bracket assembly is fixedly arranged on the top plate of the box girder, the pipe bracket assembly is connected with the horizontal supporting assembly, and the pipe bracket assembly is used for adjusting the vertical displacement of the horizontal supporting assembly. According to the tie bar supporting device, the vertical supporting assembly and the horizontal supporting assembly are matched to support the tie bar upwards, under the condition that the overall structure is not affected basically, the vertical displacement of the tie bar is adjusted through the pipe supporting assembly, it is guaranteed that the tie bar is kept horizontal, friction loss generated when the tie bar is tensioned is reduced, and the device is small in material consumption, cost-saving, simple in installation procedure and high in practicability. The installation speed is high, the structure is exposed, and maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tied-rod arch bridges, in particular to a tied-rod supporting device. Background Art

[0002] The tied arch bridge is widely used in bridge engineering due to its beautiful shape and good mechanical properties. In the tied arch bridge, the tie rod needs to use a support device to support the cable body in the free section to protect the cable body and reduce the friction loss when the tie rod is tensioned.

[0003] The existing tie rod support device is generally composed of a support steel plate, a roller and a wheel, which uses the rolling of the roller to achieve cable threading or tensioning. During construction, if the free section of the tie rod is not horizontal, it is easy to limit the flexibility of the front and rear rollers, making it difficult to adjust the vertical displacement of the tie rod, thereby affecting the tensioning. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a tie rod support device, which can ensure that the tie rod remains horizontal and reduce the friction loss when the tie rod is tensioned.

[0005] According to the tie rod support device of the embodiment of the utility model, it includes a vertical support assembly, which is fixedly arranged on the top plate of the box beam; a horizontal support assembly, which is horizontally arranged on the vertical support assembly, and the horizontal support assembly is used to support the tie rod; and a pipe support assembly, which is fixedly arranged on the top plate of the box beam, the pipe support assembly is connected to the horizontal support assembly, and the pipe support assembly is used to adjust the vertical displacement of the horizontal support assembly.

[0006] The tie rod support device according to the embodiment of the utility model has at least the following beneficial effects: the vertical support assembly is vertically arranged and fixedly connected to the box girder, the horizontal support assembly is horizontally inserted into the vertical support assembly, and the vertical support assembly cooperates with the horizontal support assembly to support the tie rod upward, and the vertical displacement of the tie rod is adjusted by the hosting assembly without substantially affecting the overall structure, thereby ensuring that the tie rod remains horizontal and reducing friction losses during tensioning of the tie rod. The device uses less material, saves costs, has a simple installation process, and has a fast installation speed, and the structure is exposed for easy maintenance.

[0007] According to some embodiments of the utility model, the vertical support assembly includes two support plates, which are vertically arranged and parallel to each other, and a placement channel is provided between the two support plates, and an extension direction of the placement channel is consistent with an extension direction of the tie rod.

[0008] According to some embodiments of the present invention, the vertical support assembly further includes stiffening plates, the number of the stiffening plates corresponds to the number of the support plates, and each support plate is provided with at least one stiffening plate.

[0009] According to some embodiments of the utility model, the horizontal support assembly includes: a pipe fitting, which is horizontally inserted into two support plates along a direction perpendicular to the placement channel, and the pipe fitting is connected to the support plates through a fixing member; a sleeve, which is sleeved on the pipe fitting, the sleeve is located between the two support plates, and the sleeve is used to realize the threading of the tie rod.

[0010] According to some embodiments of the utility model, the pipe support assembly includes: a fixing seat, the number of the fixing seats is the same as the number of support plates, and a fixing seat is provided at the end of each support plate away from the pipe fitting, and the fixing seat is fixedly provided on the top plate of the box girder; an adjusting member, the number of the adjusting members is the same as the number of the fixing seats, and an adjusting member is movably provided on each fixing seat, the adjusting member is connected to the pipe fitting, and the adjusting member is used to adjust the height of the connecting end between the pipe fitting and the adjusting member.

[0011] According to some embodiments of the utility model, the pipe support assembly further includes an arc-shaped support plate, which is fixedly disposed at one end of the adjusting member close to the pipe member, and is used to improve the stability of the support of the adjusting member.

[0012] According to some embodiments of the present invention, the pipe fitting is made of stainless steel, and the sleeve is made of stainless steel.

[0013] According to some embodiments of the utility model, a connection hole for the pipe to pass through is opened on the support plate, and the diameter of the connection hole is larger than the diameter of the pipe.

[0014] According to some embodiments of the present invention, the distance that the pipe passes through the support plate in a direction away from the sleeve and extends outward is in a range of 50 mm to 150 mm.

[0015] According to some embodiments of the utility model, the adjusting member includes a fixing cylinder, an adjusting nut and a screw rod. The fixing cylinder is vertically arranged, fixedly connected to the upper end of the fixing seat, the adjusting nut is movably arranged at the upper end of the fixing cylinder, one end of the screw rod is connected to the arc-shaped support plate, and the other end of the screw rod is passed through the adjusting nut and extends toward the interior of the fixing cylinder.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a structural schematic diagram of the tie rod support device of an embodiment of the utility model;

[0019] Figure 2 for Figure 1 Cross-sectional view of the middle pipe fitting and sleeve;

[0020] Figure 3 for Figure 1 Cross-section view of the center tube support assembly.

[0021] Reference numerals:

[0022] Vertical support assembly 100, fixing plate 110, connecting hole 111, placement channel 120, stiffening plate 130;

[0023] Horizontal support assembly 200, pipe 210, fixing member 211, sleeve 220;

[0024] The pipe support assembly 300, the fixing seat 310, the adjusting member 320, the fixing cylinder 321, the adjusting nut 322, the screw rod 323, and the arc-shaped supporting plate 330;

[0025] Tie rod 10. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a first or second description, it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] refer to Figures 1 to 3 A tie rod supporting device according to an embodiment of the utility model is described.

[0031] like Figures 1 to 3 As shown, the tie rod support device includes a vertical support assembly 100, which is fixedly arranged on the top plate of the box beam; a horizontal support assembly 200, which is horizontally arranged on the vertical support assembly 100, and the horizontal support assembly 200 is used to support the tie rod 10; and a pipe support assembly 300, which is fixedly arranged on the top plate of the box beam, and the pipe support assembly 300 is connected to the horizontal support assembly 200, and the pipe support assembly 300 is used to adjust the vertical displacement of the horizontal support assembly 200.

[0032] like Figure 1 As shown, the vertical support assembly 100 is vertically arranged and fixedly connected to the box girder, and the horizontal support assembly 200 is horizontally inserted into the vertical support assembly 100. The vertical support assembly 100 cooperates with the horizontal support assembly 200 to support the tie rod 10 upward. Without substantially affecting the overall structure, the vertical displacement of the tie rod 10 is adjusted through the hosting assembly to ensure that the tie rod 10 remains horizontal and reduce the friction loss when the tie rod 10 is tensioned. The device uses less material, saves cost, has a simple installation process, and has a fast installation speed. The structure is exposed for easy maintenance.

[0033] In some specific embodiments of the present invention, the vertical support assembly 100 includes two fixing plates 110, which are vertically arranged and parallel to each other, and a placement channel 120 is provided between the two fixing plates 110, and the extension direction of the placement channel 120 is consistent with the extension direction of the tie rod 10. Figure 1 As shown, the two fixing plates 110 are arranged in sequence along the left-right direction, and the two fixing plates 110 are vertically fixed on the top plate of the box beam and are parallel to each other along the front-back direction. Specifically, there is a placement channel 120 between the two fixing plates 110, and the placement channel 120 is arranged along the front-back direction and is consistent with the extension direction of the tie rod 10.

[0034] Specifically, the fixing plate 110 is in a trapezoidal shape, that is, the horizontal cross-sectional area of ​​the fixing plate 110 gradually decreases from bottom to top, thereby further improving the bearing capacity of the fixing plate 110 and ensuring that the tie rod 10 can maintain a horizontal placement.

[0035] In some specific embodiments of the present invention, the vertical support assembly 100 further includes stiffening plates 130 . The number of stiffening plates 130 corresponds to the number of fixed plates 110 , and each fixed plate 110 is provided with at least one stiffening plate 130 .

[0036] like Figure 1 and Figure 2As shown, two stiffening plates 130 are arranged on each fixing plate 110, and the two stiffening plates 130 are located on the opposite side of the corresponding fixing plate 110 and the placement channel 120. Specifically, the stiffening plates 130 are in the shape of a right-angled trapezoid, and the right-angled sides of the trapezoid are respectively connected to the fixing plate 110 and the top of the box beam, and the horizontal cross-sectional area of ​​the stiffening plates 130 gradually decreases from bottom to top, thereby further improving the structural rigidity of the fixing plate 110.

[0037] Furthermore, the fixing plate 110 and the stiffening plate 130 are both steel plates. The fixing plate 110 is connected to the box girder top plate by double-sided groove welding, and the stiffening plate 130 is connected to the box girder top plate and the fixing plate 110 by fillet welds.

[0038] In some specific embodiments of the present invention, the horizontal support assembly 200 includes: a pipe 210, which is horizontally inserted into the two fixing plates 110 along a direction perpendicular to the placement channel 120, and the pipe 210 is connected to the fixing plate 110 through a fixing member 211; a sleeve 220, which is sleeved on the pipe 210, and the sleeve 220 is located between the two fixing plates 110, and the sleeve 220 is used to realize the threading of the tie rod 10. Figure 2 As shown, the pipe 210 is arranged in the left-right direction, and the pipe 210 is arranged between the two fixing plates 110, and the left and right ends of the pipe 210 pass through the corresponding fixing plates 110 and extend outward in the direction away from the placement channel 120. The pipe 210 is sleeved with a sleeve 220, and the sleeve 220 can rotate freely on the pipe 210. Therefore, when the tie rod 10 is placed on the sleeve 220, the tie rod 10 can be freely threaded as the sleeve 220 rotates.

[0039] Specifically, the pipe 210 and the sleeve 220 are both made of stainless steel to reduce the impact of rust on the device and increase the durability of the structure.

[0040] In some specific embodiments of the present invention, a connection hole 111 is provided on the fixing plate 110 for the pipe 210 to pass through, and the diameter of the connection hole 111 is larger than the diameter of the pipe 210. Specifically, the connection hole 111 is a strip hole arranged in the vertical direction, so as to facilitate the adjustment of the displacement of the pipe 210 in the vertical direction, and the pipe 210 is fixed between the two fixing plates 110 by a nut. In addition, in some specific embodiments of the present invention, the distance that the pipe 210 passes through the fixing plate 110 and extends outward in a direction away from the sleeve 220 ranges from 50 mm to 150 mm. Specifically, the pipe 210 passes through the fixing plate 110 in a direction away from the sleeve 220 and extends outward by 10 mm, so as to facilitate the use of nuts for reinforcement and the installation of the pipe support assembly 300.

[0041] In some specific embodiments of the present invention, the pipe support assembly 300 includes: a fixed seat 310, the number of the fixed seats 310 is the same as the number of the fixed plates 110, and each fixed plate 110 is provided with a fixed seat 310 at one end away from the pipe fitting 210, and the fixed seat 310 is fixedly set on the top plate of the box girder; an adjusting member 320, the number of the adjusting members 320 is the same as the number of the fixed seats 310, and each fixed seat 310 is movably provided with an adjusting member 320, the adjusting member 320 is connected to the pipe fitting 210, and the adjusting member 320 is used to adjust the height of the connecting end between the pipe fitting 210 and the adjusting member 320.

[0042] In some specific embodiments of the present invention, the tube support assembly 300 further includes an arc-shaped support plate 330 , which is fixedly disposed at one end of the adjusting member 320 close to the tube 210 , and is used to improve the stability of the support of the adjusting member 320 .

[0043] In some specific embodiments of the present invention, the adjusting member 320 includes a fixed cylinder 321, an adjusting nut 322 and a screw 323. The fixed cylinder 321 is vertically arranged, and the fixed cylinder 321 is fixedly connected to the upper end of the fixed seat 310. The adjusting nut 322 is movably arranged at the upper end of the fixed cylinder 321. One end of the screw 323 is connected to the arc-shaped support plate 330, and the other end of the screw 323 is passed through the adjusting nut 322 and extends toward the interior of the fixed cylinder 321.

[0044] like Figure 3 As shown, the pipe support assembly 300 is fixedly arranged on the top plate of the box beam and is located between the two stiffening plates 130 at one end of the fixed plate 110 away from the placement channel 120. Among them, the pipe support assembly 300 includes a fixed seat 310 and an adjusting member 320. The fixed seat 310 is fixedly arranged on the top plate of the box beam. The adjusting member 320 includes a fixed cylinder 321, an adjusting nut 322 and a screw 323. The fixed cylinder 321 is fixedly arranged on the upper end of the fixed seat 310, and the fixed cylinder 321 and the fixed seat 310 are both steel structures and are connected by fillet welds. The fixed cylinder 321, the adjusting nut 322, the screw 323 and the arc support plate 330 are arranged in sequence from bottom to top. The upper end of the screw 323 is fixedly connected to the arc support plate 330, and the lower end passes through the adjusting nut 322 movably arranged on the fixed cylinder 321 and extends downward to the inside of the fixed cylinder 321. Therefore, by adjusting the adjusting nuts 322 at both ends of the pipe fitting 210, the vertical displacements of both ends of the pipe fitting 210 are controlled respectively, so as to achieve precise adjustment of the position of the tie rod 10 and reduce the influence of the displacement on the tensioning and construction of the tie rod 10.

[0045] In some specific embodiments of the utility model, in the actual construction process, firstly, the fixing plate 110 is positioned before the tie rod 10 is threaded, then the fixing plate 110 is welded to the top plate of the steel box girder, the stiffening plate 130 is fixed by welding, then the pipe fitting 210 is passed through the connecting hole 111 and the sleeve 220 is sleeved on the pipe fitting 210, the pipe fitting 210 is reinforced by nuts, and finally the pipe support assembly 300 is installed at both ends of the pipe fitting 210, and it is fixed to both sides of the fixing plate 110 by welding, so as to complete the installation of the entire support device. The tie rod support device can adjust the vertical displacement of the tie rod 10 through the hosting assembly, thereby reducing the influence of displacement on the tensioning and construction of the tie rod 10, and its installation process is simple, the installation speed is fast, the material consumption is small, the cost is saved, and the structure is exposed, which is convenient for maintenance. In addition, stainless steel is used, which greatly reduces the influence of rust on the subsequent construction of the tie rod 10.

[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A tie rod support device, characterized in that: include: A vertical support assembly (100), wherein the vertical support assembly (100) is fixedly arranged on the top plate of the box beam; A horizontal support assembly (200), wherein the horizontal support assembly (200) is horizontally arranged on the vertical support assembly (100), and the horizontal support assembly (200) is used to support the tie rod (10); A pipe support assembly (300) is fixedly arranged on the top plate of the box beam, the pipe support assembly (300) is connected to the horizontal support assembly (200), and the pipe support assembly (300) is used to adjust the vertical displacement of the horizontal support assembly (200).

2. The tie rod support device according to claim 1, characterized in that: The vertical support assembly (100) comprises two fixing plates (110), the two fixing plates (110) are vertically arranged and parallel to each other, a placement channel (120) is provided between the two fixing plates (110), and an extension direction of the placement channel (120) is consistent with an extension direction of the tie rod (10).

3. The tie rod support device according to claim 2, characterized in that: The vertical support assembly (100) further comprises stiffening plates (130), the number of the stiffening plates (130) corresponds to the number of the fixing plates (110), and each fixing plate (110) is provided with at least one stiffening plate (130).

4. The tie rod support device according to claim 2, characterized in that: The horizontal support assembly (200) comprises: a pipe fitting (210), wherein the pipe fitting (210) is horizontally inserted into the two fixing plates (110) along a direction perpendicular to the placement channel (120), and the pipe fitting (210) is connected to the fixing plates (110) via a fixing piece (211); A sleeve (220), wherein the sleeve (220) is sleeved on the pipe (210), the sleeve (220) is located between the two fixing plates (110), and the sleeve (220) is used to realize the threading of the tie rod (10).

5. The tie rod support device according to claim 4, characterized in that: The pipe support assembly (300) comprises: A fixing seat (310), the number of the fixing seats (310) being the same as the number of the fixing plates (110), one fixing seat (310) being provided at one end of each fixing plate (110) away from the pipe member (210), and the fixing seat (310) being fixedly provided on the top plate of the box beam; An adjusting member (320), the number of the adjusting members (320) being the same as the number of the fixing seats (310), one adjusting member (320) being movably arranged on each fixing seat (310), the adjusting member (320) being connected to the pipe member (210), and the adjusting member (320) being used to adjust the height of the connection end between the pipe member (210) and the adjusting member (320).

6. The tie rod support device according to claim 5, characterized in that: The pipe support assembly (300) further comprises an arc-shaped support plate (330), wherein the arc-shaped support plate (330) is fixedly arranged at one end of the adjusting member (320) close to the pipe member (210), and the arc-shaped support plate (330) is used to improve the stability of the support of the adjusting member (320).

7. The tie rod support device according to claim 4, characterized in that: The pipe (210) is made of stainless steel, and the sleeve (220) is made of stainless steel.

8. The tie rod support device according to claim 4, characterized in that: The fixing plate (110) is provided with a connection hole (111) for the pipe (210) to pass through, and the diameter of the connection hole (111) is larger than the diameter of the pipe (210).

9. The tie rod support device according to claim 4, characterized in that: The pipe (210) passes through the fixing plate (110) in a direction away from the sleeve (220) and extends outwardly for a distance ranging from 50 mm to 150 mm.

10. The tie rod support device according to claim 6, characterized in that: The adjusting member (320) comprises a fixing cylinder (321), an adjusting nut (322) and a screw rod (323); the fixing cylinder (321) is vertically arranged, the fixing cylinder (321) is fixedly connected to the upper end of the fixing seat (310), the adjusting nut (322) is movably arranged at the upper end of the fixing cylinder (321), one end of the screw rod (323) is connected to the arc-shaped supporting plate (330), and the other end of the screw rod (323) is inserted into the adjusting nut (322) and extends toward the interior of the fixing cylinder (321).

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