Bridge prestress tensioning device

Abstract

The utility model discloses a bridge prestress tensioning device which comprises a prestress tensioning fixing plate. The surface of the control assembly is fixedly connected with an inner cavity of the prestress tensioning fixing plate, the control assembly comprises a fixing inserting plate and a circular fixing plate, and the top and the bottom of the fixing inserting plate penetrate through the top and the bottom of the prestress tensioning fixing plate and are fixedly connected with the circular fixing plate; and the surface of the reinforcing mechanism is fixedly connected with the inner cavity of the fixed insertion plate. The inner cavity of the fixed plug board is fixedly connected with the aluminum alloy layer, the inner cavity of the aluminum alloy layer is fixedly connected with the magnesium alloy layer in a welding fixing mode, the inner cavity of the magnesium alloy layer is fixedly connected with the carbon fiber layer in a welding fixing mode, and the inner cavity of the carbon fiber layer is fixedly connected with the tungsten steel layer. And the inner cavity of the tungsten steel layer is fixedly connected with the high-speed steel layer, and the inner cavity of the high-speed steel layer is fixedly connected with the polyurethane anti-skid coating, so that the working efficiency of the prestress tensioning device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge prestressing tensioning, in particular to a bridge prestressing tensioning device. Background Art

[0002] Prestressing is to add tension to the components in advance, so that the prestressed components are subjected to compressive stress, and then cause them to produce certain deformation to cope with the loads on the structure itself, including the load of the component's own weight, wind load, snow load, earthquake load, etc. Generally, steel strands, jacks, anchor plates, and clips are used for tensioning. When the tensioning bundle needs to be tensioned multiple times due to insufficient stroke of the jack's tensioning piston, it should be tensioned in stages. After temporary anchoring of the intermediate stages, the jacks should be reinstalled, and the meter should be read again and the elongation value should be measured before continuing tensioning to avoid cumulative errors in elongation measurement.

[0003] Patent publication number: CN212477429U, the utility model discloses a prestressed tensioning device for a bridge, comprising a supporting top plate, a supporting shaft rod is vertically installed in the middle of the bottom of the supporting top plate, a supporting block is welded to the outer wall of the supporting shaft rod, positioning pull plates are welded at both ends of the supporting block, the bottom end of the supporting shaft rod is fixed with an adjusting handle by bolts, and a plurality of positioning screw holes are evenly arranged at the bottom of the supporting top plate. The two groups of supporting pull plates of the utility model are connected to the bridge through expansion screws, and the installation is relatively convenient. The positioning pull plate is driven to rotate by turning the adjusting handle, and the adjusting pull plate is driven by the positioning pull plate to perform tensioning work, so that prestressed tensioning work can be conveniently performed during the bridge construction process, and the adjustment process can be performed by sleeve-connecting a connecting rod on the outer end of the adjusting handle, so that the adjustment process is more convenient and labor-saving, which is beneficial for the staff to perform prestressed tensioning work during bridge construction.

[0004] However, during the use of the bridge prestressed tensioning device in the comparative case, no reinforcement material was set, and the steel strands were easily broken when the fixing device fixed them, which reduced the working efficiency of the prestressed tensioning device. Therefore, a bridge prestressed tensioning device was proposed to address the above problems. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a prestressed tensioning device for a bridge, which has the advantages of high strength and not easy to break, and solves the problem that the prestressed tensioning device for a bridge in the comparative case has no reinforcement material and the fixing device is prone to breakage when fixing the steel strand.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a bridge prestressing tensioning device, comprising:

[0007] Prestressed tensioned fixed plate;

[0008] A control component, wherein the surface of the control component is fixedly connected to the inner cavity of the prestressed tensioned fixed plate, and the control component comprises a fixed plug plate and a circular fixed plate, and the top and bottom of the fixed plug plate both penetrate the top and bottom of the prestressed tensioned fixed plate and are fixedly connected to the circular fixed plate;

[0009] A reinforcing mechanism, wherein the surface of the reinforcing mechanism is fixedly connected to the inner cavity of the fixed plug plate, the reinforcing mechanism comprises an aluminum alloy layer, a magnesium alloy layer and a carbon fiber layer, the inner cavity of the aluminum alloy layer is fixedly connected to the magnesium alloy layer, and the inner cavity of the magnesium alloy layer is fixedly connected to the carbon fiber layer.

[0010] As a preferred embodiment of the utility model, the inner cavity of the carbon fiber layer is fixedly connected with a tungsten steel layer, and the tungsten steel layer and the carbon fiber layer are used in combination.

[0011] As a preferred embodiment of the present invention, the inner cavity of the tungsten steel layer is fixedly connected with a high-speed steel layer, and the high-speed steel layer and the tungsten steel layer are used in combination.

[0012] As a preferred embodiment of the utility model, the inner cavity of the high-speed steel layer is fixedly connected with a polyurethane anti-slip coating, and the polyurethane anti-slip coating and the high-speed steel layer are used in combination.

[0013] As a preferred embodiment of the present invention, the inner cavity of the aluminum alloy layer is fixedly connected to the magnesium alloy layer by welding, and the magnesium alloy layer and the aluminum alloy layer are used in combination.

[0014] As a preferred embodiment of the present invention, the inner cavity of the magnesium alloy layer is fixedly connected with the carbon fiber layer by welding, and the carbon fiber layer and the magnesium alloy layer are used in combination.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model uses a fixed plug plate, an aluminum alloy layer, a magnesium alloy layer, a carbon fiber layer, a tungsten steel layer, a high-speed steel layer and a polyurethane anti-skid coating in combination; the aluminum alloy layer is fixedly connected to the inner cavity of the fixed plug plate, the magnesium alloy layer is fixedly connected to the inner cavity of the aluminum alloy layer by welding, the carbon fiber layer is fixedly connected to the inner cavity of the magnesium alloy layer by welding, the tungsten steel layer is fixedly connected to the inner cavity of the carbon fiber layer, the high-speed steel layer is fixedly connected to the inner cavity of the tungsten steel layer, and the polyurethane anti-skid coating is fixedly connected to the inner cavity of the high-speed steel layer, thereby improving the working efficiency of the prestressed tensioning device.

[0017] 2. The utility model can assist in fixing the plug plate by setting the tungsten steel layer, so that the plug plate has stronger hardness and toughness. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the three-dimensional explosion structure of the prestressed tensioned fixed plate;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the three-dimensional structure of the middle fixed plugboard;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional structure of the tungsten steel layer.

[0022] In the figure: 1. Prestressed tensioning fixing plate; 2. Control component; 201. Fixing plug plate; 202. Circular fixing plate; 3. Reinforcement mechanism; 301. Aluminum alloy layer; 302. Magnesium alloy layer; 303. Carbon fiber layer; 4. Tungsten steel layer; 5. High-speed steel layer; 6. Polyurethane anti-slip coating. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 4 As shown, the utility model provides a bridge prestressing tensioning device, comprising:

[0025] Prestressed tension fixing plate 1;

[0026] The control component 2, the surface of the control component 2 is fixedly connected to the inner cavity of the prestressed tensioned fixed plate 1, the control component 2 comprises a fixed plug plate 201 and a circular fixed plate 202, the top and bottom of the fixed plug plate 201 both penetrate the top and bottom of the prestressed tensioned fixed plate 1 and are fixedly connected to the circular fixed plate 202;

[0027] The reinforcing mechanism 3 has a surface fixedly connected to the inner cavity of the fixed plug plate 201. The reinforcing mechanism 3 includes an aluminum alloy layer 301, a magnesium alloy layer 302 and a carbon fiber layer 303. The inner cavity of the aluminum alloy layer 301 is fixedly connected to the magnesium alloy layer 302, and the inner cavity of the magnesium alloy layer 302 is fixedly connected to the carbon fiber layer 303.

[0028] refer to Figure 4 The inner cavity of the carbon fiber layer 303 is fixedly connected with the tungsten steel layer 4, and the tungsten steel layer 4 and the carbon fiber layer 303 are used in combination.

[0029] As a technical optimization solution of the present invention, the provision of the tungsten steel layer 4 can assist the work of the fixed plug plate 201, making it have greater hardness and toughness.

[0030] refer to Figure 4 The inner cavity of the tungsten steel layer 4 is fixedly connected with the high-speed steel layer 5, and the high-speed steel layer 5 and the tungsten steel layer 4 are used in combination.

[0031] As a technical optimization solution of the present invention, the high-speed steel layer 5 can assist the work of the fixed plug plate 201 and make it have good wear resistance.

[0032] refer to Figure 4 The inner cavity of the high-speed steel layer 5 is fixedly connected with a polyurethane anti-slip coating 6, and the polyurethane anti-slip coating 6 and the high-speed steel layer 5 are used in combination.

[0033] As a technical optimization solution of the present invention, the provision of the polyurethane anti-slip coating 6 can assist the work of fixing the plug plate 201, so that it is not easy to slip when being fixed.

[0034] refer to Figure 3 The inner cavity of the aluminum alloy layer 301 is fixedly connected with the magnesium alloy layer 302 by welding, and the magnesium alloy layer 302 and the aluminum alloy layer 301 are used in combination.

[0035] As a technical optimization solution of the present invention, the magnesium alloy layer 302 can assist the work of the fixed plug plate 201, so that it has the advantages of light weight and good hardness.

[0036] refer to Figure 3 The inner cavity of the magnesium alloy layer 302 is fixedly connected with the carbon fiber layer 303 by welding, and the carbon fiber layer 303 and the magnesium alloy layer 302 are used in combination.

[0037] As a technical optimization solution of the present invention, the provision of the carbon fiber layer 303 can assist the work of the fixed plug plate 201, so that it has high-strength corrosion resistance.

[0038] The working principle and use process of the utility model are as follows: when in use, the user fixes the inner cavity of the fixed plug plate 201 with the aluminum alloy layer 301, the inner cavity of the aluminum alloy layer 301 is fixedly connected to the magnesium alloy layer 302 by welding, the inner cavity of the magnesium alloy layer 302 is fixedly connected to the carbon fiber layer 303 by welding, the inner cavity of the carbon fiber layer 303 is fixedly connected to the tungsten steel layer 4, the inner cavity of the tungsten steel layer 4 is fixedly connected to the high-speed steel layer 5, and the inner cavity of the high-speed steel layer 5 is fixedly connected to the polyurethane anti-slip coating 6, thereby improving the working efficiency of the prestressed tensioning device.

[0039] In summary: the prestressed tensioning device for bridge, through the coordinated use of prestressed tensioning fixing plate 1, control component 2, fixing plug plate 201, circular fixing plate 202, reinforcing mechanism 3, aluminum alloy layer 301, magnesium alloy layer 302, carbon fiber layer 303, tungsten steel layer 4, high-speed steel layer 5 and polyurethane anti-slip coating 6, solves the problem that the prestressed tensioning device for bridge in the comparative case has no reinforcement material and the fixing device is prone to breakage when fixing the steel strand.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge prestressing tensioning device, characterized in that: include: Prestressed tension fixing plate (1); A control component (2), wherein the surface of the control component (2) is fixedly connected to the inner cavity of the prestressed tensioned fixed plate (1), the control component (2) comprises a fixed plug plate (201) and a circular fixed plate (202), and the top and bottom of the fixed plug plate (201) both penetrate the top and bottom of the prestressed tensioned fixed plate (1) and are fixedly connected to the circular fixed plate (202); A reinforcing mechanism (3), wherein a surface of the reinforcing mechanism (3) is fixedly connected to an inner cavity of a fixed plug plate (201), the reinforcing mechanism (3) comprising an aluminum alloy layer (301), a magnesium alloy layer (302) and a carbon fiber layer (303), the inner cavity of the aluminum alloy layer (301) being fixedly connected to the magnesium alloy layer (302), and the inner cavity of the magnesium alloy layer (302) being fixedly connected to the carbon fiber layer (303).

2. A bridge prestressing tensioning device according to claim 1, characterized in that: The inner cavity of the carbon fiber layer (303) is fixedly connected to a tungsten steel layer (4), and the tungsten steel layer (4) and the carbon fiber layer (303) are used in combination.

3. A bridge prestressing tensioning device according to claim 2, characterized in that: The inner cavity of the tungsten steel layer (4) is fixedly connected to a high-speed steel layer (5), and the high-speed steel layer (5) and the tungsten steel layer (4) are used in combination.

4. A bridge prestressing tensioning device according to claim 3, characterized in that: The inner cavity of the high-speed steel layer (5) is fixedly connected to a polyurethane anti-slip coating (6), and the polyurethane anti-slip coating (6) and the high-speed steel layer (5) are used in combination.

5. The prestressed tensioning device for a bridge according to claim 1, characterized in that: The inner cavity of the aluminum alloy layer (301) is fixedly connected to the magnesium alloy layer (302) by welding, and the magnesium alloy layer (302) and the aluminum alloy layer (301) are used in combination.

6. The prestressed tensioning device for a bridge according to claim 1, characterized in that: The inner cavity of the magnesium alloy layer (302) is fixedly connected to the carbon fiber layer (303) by welding, and the carbon fiber layer (303) and the magnesium alloy layer (302) are used in combination.

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