Bridge pier body protection layer adjusting device

Abstract

The utility model provides a bridge pier body protection layer adjusting device which is characterized by comprising an adjusting screw rod, an adjusting nut is screwed in the middle of the adjusting screw rod, positioning rods are symmetrically arranged on the two sides of the adjusting nut, and the two positioning rods are arranged in parallel; a first screwing head is arranged at one end of the adjusting screw, and a second screwing head is arranged at the other end of the adjusting screw; the sides, facing the second screwing head, of the two positioning rods on the adjusting nut are each provided with a functional face, and each functional face comprises an inclined face arranged in the length direction of the corresponding positioning rod. The adjusting device provided by the utility model is simple in structure, convenient to operate, suitable for adjusting the protective layer of any part of the bridge pier body, capable of expanding the application range, high in applicability and capable of effectively improving the control quality of the protective layer of the bridge pier body. Meanwhile, compared with the mode that concrete cushion blocks in various shapes are bound and fixed through binding wires, the pier body construction efficiency can be improved, the appearance quality and the entity quality of the pier body can be improved, and economic benefits are remarkable.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to a bridge pier body protective layer adjustment device. Background Art

[0002] During the construction of bridge piers, since bridge piers have various types such as round-end type, streamlined type, right-angle type, variable cross-section type, etc., it is particularly important and extremely difficult to control the pier body protective layer at the cross-section change point. The conventional protective layer control method uses various shapes of concrete pads to be tied and fixed with wire, but the concrete pads will lose the control effect when the embedded steel bars are displaced. In addition, when the positioning steel bars are used to control the protective layer, the ends of some steel bars are exposed, which will cause rust due to long-term erosion by rainwater, and the cost of steel bar consumption is relatively high. Therefore, it is necessary to design an adjustment device to improve the control quality of the bridge pier body protective layer. Summary of the invention

[0003] In view of this, the present invention aims to overcome the defects in the prior art and proposes a bridge pier protective layer adjustment device.

[0004] To achieve the above object, the technical solution created by the present invention is implemented as follows:

[0005] A bridge pier body protective layer adjustment device comprises an adjusting screw, an adjusting nut is screwed in the middle of the adjusting screw, positioning rods are symmetrically arranged on both sides of the adjusting nut, and the two positioning rods are arranged parallel to each other; a first screwing head is arranged at one end of the adjusting screw, and a second screwing head is arranged at the other end; the two positioning rods on the adjusting nut are both provided with functional surfaces on the side facing the second screwing heads, and the functional surfaces include inclined surfaces arranged along the length direction of the positioning rods.

[0006] Furthermore, the first screwing head and the second screwing head both adopt an external hexagonal structure.

[0007] Furthermore, the positioning rod is made of steel bars.

[0008] Furthermore, the adjusting screw adopts a full thread structure.

[0009] Furthermore, the area of ​​the positioning rod at its minimum cross-sectional area is greater than 1 / 2 of the area of ​​the positioning rod at its maximum cross-sectional area.

[0010] Furthermore, the adjusting screw rod adopts a high-strength bolt, a nut at one end of which serves as a first screwing head, and a second screwing head is welded at the end of the screw rod.

[0011] Furthermore, the first screwing head and the second screwing head have the same size.

[0012] Furthermore, the positioning rod is welded and fixed to the adjusting nut.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] The adjustment device provided by the invention has a simple structure and convenient operation. It is suitable for adjusting the protective layer of any part of the bridge pier body, which expands the scope of use and has strong applicability, and can effectively improve the control quality of the protective layer of the bridge pier body. At the same time, compared with the method of fixing by tying wire through various shapes of concrete pads, the application of this device can speed up the construction efficiency of the pier body, improve the appearance quality and entity quality of the pier body, and have significant economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 A schematic diagram of the structure created by the present invention;

[0017] Figure 2 for Figure 1 Schematic diagram after removing the proximal positioning rod;

[0018] Figure 3 for Figure 1 The schematic diagram after removing the positioning rods on both sides of the adjustment nut;

[0019] Figure 4 for Figure 1 A top view of

[0020] Figure 5 A schematic diagram of a positioning rod in the invention;

[0021] Figure 6 A schematic diagram of the present invention when creating an application state. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] A bridge pier protective layer adjustment device, such as Figures 1 to 6 As shown, it includes an adjusting screw 1, an adjusting nut 2 is screwed in the middle of the adjusting screw, and positioning rods 3 are symmetrically provided on both sides of the adjusting nut, and the two positioning rods are arranged parallel to each other; a first screwing head 4 is provided at one end of the adjusting screw, and a second screwing head 5 is provided at the other end; the two positioning rods on the adjusting nut are provided with functional surfaces on the side facing the second screwing head, and the functional surfaces include an inclined surface 6 arranged along the length direction of the positioning rod.

[0027] Usually, the first screwing head and the second screwing head both adopt an external hexagonal structure. The positioning rod adopts a steel bar. The adjusting screw adopts a full thread structure. The first screwing head and the second screwing head have the same size. The positioning rod is welded and fixed to the adjusting nut.

[0028] The adjusting screw rod adopts a high-strength bolt, a nut at one end of which serves as a first screwing head 4, and a second screwing head 5 is welded at the end of the screw rod. The area of ​​the positioning rod at the minimum cross-sectional area is greater than 1 / 2 of the area at the maximum cross-sectional area.

[0029] When using, first, place the device between the pier body shaping steel formwork 7 and the main reinforcement 8 of the pier body, the inner surface of the inner screwing head is against the steel formwork, and the adjusting cap is screwed (with the help of the positioning rod) to make the outer edge of the positioning rod against the main reinforcement (when screwing the adjusting cap, the positioning rod can be limited, and then the outer screwing head can be screwed to move the adjusting cap outward, so that the positioning rod can be against the main reinforcement), and the outer screwing head is exposed to the main reinforcement.

[0030] Afterwards, the screwing head on the outside is screwed by an electric wrench, so that the positioning rod gradually supports the main reinforcement of the pier body outwards. After reaching the ideal position, the screwing action of the screwing head is stopped, and the adjustment of the pier body protective layer at that location is completed. The positions to be adjusted can be adjusted in sequence according to the above method. The operation is simple and the use cost is low. The application of this device can effectively improve the control quality of the bridge pier body protective layer.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bridge pier protective layer adjustment device, characterized in that: It includes an adjusting screw, an adjusting nut is screwed in the middle of the adjusting screw, positioning rods are symmetrically arranged on both sides of the adjusting nut, and the two positioning rods are arranged parallel to each other; a first screwing head is arranged at one end of the adjusting screw, and a second screwing head is arranged at the other end; the two positioning rods on the adjusting nut are both provided with functional surfaces on the side facing the second screwing heads, and the functional surfaces include inclined surfaces arranged along the length direction of the positioning rods.

2. The bridge pier protection layer adjustment device according to claim 1 is characterized in that: The first screwing head and the second screwing head both adopt an external hexagonal structure.

3. The bridge pier protection layer adjustment device according to claim 1 is characterized in that: The positioning rod is made of steel bars.

4. The bridge pier protection layer adjustment device according to claim 1 is characterized in that: The adjusting screw adopts a full thread structure.

5. The bridge pier protection layer adjustment device according to claim 1 is characterized in that: The area of ​​the positioning rod at the minimum cross-sectional area is greater than 1 / 2 of the area of ​​the positioning rod at the maximum cross-sectional area.

6. The bridge pier protection layer adjustment device according to claim 1, characterized in that: The adjusting screw rod adopts a high-strength bolt, a nut at one end of which serves as a first screwing head, and a second screwing head is welded at the end of the screw rod.

7. A bridge pier protection layer adjustment device according to claim 1 or 6, characterized in that: The first screwing head and the second screwing head have the same size.

8. The bridge pier protection layer adjustment device according to claim 1, characterized in that: The positioning rod is welded and fixed to the adjusting nut.

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