Highway bridge transition slab template with adjustable elevation

Abstract

The utility model belongs to the technical field of highway engineering construction, and particularly relates to an elevation-adjustable highway bridge transition slab formwork which comprises a plane steel formwork and a supporting assembly, the supporting assembly is installed on the plane steel formwork and comprises a steel pipe, a lead screw and an adjusting block, and the steel pipe is connected with the lead screw. The steel pipe and the plane steel formwork are fixed through welding, an adjusting block is fixedly connected to the bottom of the steel pipe, a lead screw is placed in an inner cavity of the steel pipe and is in threaded connection with the adjusting block, the height of the steel pipe is adjusted by rotating the lead screw, and then the height of the plane steel formwork is adjusted. The top face of the plane steel formwork is flush with the top face of the designed butt strap, after the plane steel formwork is fixed and bottom gaps of the plane steel formwork are sealed, poured concrete is flush with the top face of the plane steel formwork, it is guaranteed that the elevation and flatness of the butt strap are accurate, the elevation and flatness of the butt strap are effectively controlled through the formwork system, the standard requirements can be met, operation is easy and convenient, and the construction cost is reduced. The construction is convenient.

Description

Technical Field

[0001] The utility model relates to the field of highway engineering construction, in particular to a highway bridge slab template with adjustable elevation. Background Art

[0002] During the construction of highway bridges, the elevation and flatness of the bridgehead slab need to be controlled in accordance with the specifications.

[0003] In the existing highway bridge construction process, the bridgehead slab is supported by ordinary formwork, and most of the formwork is higher than the top surface of the bridgehead slab. Then a level is used to measure the elevation of the edge of the formwork, and the relative height difference is used to control the elevation of the slab, resulting in inaccurate elevation of the bridgehead slab and inaccurate flatness control, which makes the construction of the asphalt surface layer at the bridgehead difficult and increases the construction difficulty of the staff. Therefore, the utility model provides a highway bridge slab template with adjustable elevation. Utility Model Content

[0004] The utility model aims to provide a highway bridge slab template with adjustable elevation to solve the above problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highway bridge slab formwork with adjustable elevation, comprising a flat steel formwork and a support assembly, the support assembly being installed on the flat steel formwork, the support assembly comprising a steel pipe, a lead screw and an adjusting block, the steel pipe and the flat steel formwork are fixed by welding, the bottom of the steel pipe is fixedly connected with an adjusting block, a lead screw is placed in the inner cavity of the steel pipe, and the lead screw is screwed with the adjusting block, the bottom of the lead screw extends to the lower side of the steel pipe, the bottom of the lead screw is connected with a support rod, the lower end of the support rod is fixedly connected with a sphere, a bottom bracket is placed under the support rod, a limiting plate is installed on the upper side of the bottom bracket, a receiving groove for accommodating the sphere is provided between the bottom bracket and the limiting plate, the sphere is located in the receiving groove and the upper end of the sphere is located on the upper side of the receiving groove.

[0006] Preferably, a transverse plate is welded to the flat steel formwork, and the steel pipe is fixed to the transverse plate and the flat steel formwork by welding.

[0007] Preferably, the bottom of the lead screw is rotatably connected to a rotating seat, and the support rod is fixedly connected to the bottom of the rotating seat.

[0008] Preferably, a connecting shaft is provided at the bottom of the lead screw, and the connecting shaft is rotatably connected to the rotating seat.

[0009] Preferably, there are two limit plates, and the two limit plates are fixed to the upper side of the base by bolts.

[0010] Preferably, the bottom of the base is provided with anti-slip grooves.

[0011] Preferably, grease is applied between the ball and the receiving groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1) In the utility model, the height of the steel pipe is adjusted by rotating the lead screw, and then the height of the flat steel template is adjusted, so that the top surface of the flat steel template is flush with the top surface of the designed slab. After the flat steel template is fixed and the gap at the bottom is closed, the concrete is poured flush with the top surface of the flat steel template to ensure that the elevation and flatness of the slab are accurate. Through the template system, the elevation and flatness of the slab are effectively controlled, which can meet the requirements of the specification, and the operation is simple and convenient, and the construction is convenient;

[0014] 2) A sphere and a receiving groove for receiving the sphere are provided between the base and the lead screw, so that the base can rotate freely within a certain range, thereby facilitating relatively stable support on an uneven supporting surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the support assembly of the utility model;

[0017] Figure 3 This is a schematic diagram of the bottom bracket connection structure of the utility model;

[0018] Figure 4 It is a cross-sectional structural diagram of the cooperation between the base and the sphere of the utility model;

[0019] Figure 5 It is a schematic diagram of the combined use of the structural plane steel formwork of the utility model.

[0020] In the figure: 1. Flat steel formwork; 2. Limiting plate; 3. Support assembly; 4. Horizontal plate; 5. Steel pipe; 6. Lead screw; 7. Adjustment block; 8. Rotating seat; 9. Bottom support; 10. Connecting shaft; 11. Support rod; 12. Sphere; 13. Receiving groove. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 present utility model can be understood according to specific circumstances.

[0024] Example:

[0025] See also Figure 1-5 The utility model provides a technical solution: a highway bridge slab template with adjustable elevation, comprising a flat steel template 1 and a support assembly 3, the flat steel template 1 is equipped with a support assembly 3, and during the construction process, multiple flat steel templates 1 need to be used in combination (such as the attached Figure 5 As shown), concrete is supported by a flat steel formwork 1, and a supporting assembly 3 includes a steel pipe 5, a lead screw 6 and an adjusting block 7. The steel pipe 5 is fixed to the flat steel formwork 1 by welding, and an adjusting block 7 is fixedly connected to the bottom of the steel pipe 5. A lead screw 6 is placed in the inner cavity of the steel pipe 5, and the lead screw 6 is screwed to the adjusting block 7. The height of the steel pipe 5 is adjusted by rotating the lead screw 6, and then the height of the flat steel formwork 1 is adjusted. The bottom of the lead screw 6 extends to the lower side of the steel pipe 5, and a supporting rod 11 is connected to the bottom of the lead screw 6. A ball 12 is fixedly connected to the lower end of the support rod 11, and a bottom bracket 9 is placed under the support rod 11. A limiting plate 2 is installed on the upper side of the bottom bracket 9, and a receiving groove 13 for receiving the ball 12 is opened between the bottom bracket 9 and the limiting plate 2. The ball 12 is located in the receiving groove 13 and the upper end of the ball 12 is located on the upper side of the receiving groove 13, so that the bottom bracket 9 can rotate freely within a certain range.

[0026] A transverse plate 4 is welded to the plane steel formwork 1, and the steel pipe 5 is fixed to the transverse plate 4 and the plane steel formwork 1 by welding.

[0027] The bottom of the lead screw 6 is rotatably connected to a rotating seat 8 to facilitate the rotation of the lead screw 6 , and the support rod 11 is fixedly connected to the bottom of the rotating seat 8 .

[0028] A connecting shaft 10 is provided at the bottom of the lead screw 6 , and the connecting shaft 10 is rotatably connected to the rotating seat 8 .

[0029] There are two limit plates 2, and the two limit plates 2 are fixed to the upper side of the bottom bracket 9 by bolts, which is convenient for installation.

[0030] The bottom of the base 9 is provided with anti-skid patterns to increase the friction of the contact surface.

[0031] Lubricating grease is applied between the ball 12 and the receiving groove 13 to facilitate the rotation of the base 9.

[0032] Working principle: The height of the steel pipe 5 is adjusted by rotating the screw 6, and then the height of the flat steel formwork 1 is adjusted, so that the top surface of the flat steel formwork 1 is flush with the top surface of the designed slat. After the flat steel formwork 1 is fixed and the gap at the bottom is closed, the concrete is supported by the flat steel formwork 1, and the poured concrete is flush with the top surface of the flat steel formwork 1 to ensure that the elevation and flatness of the slat meet the requirements. Through this formwork system, the elevation and flatness of the slat are effectively controlled to meet the requirements of the specifications. The operation is simple and convenient, and the construction is convenient. A sphere 12 and a accommodating groove 13 for accommodating the sphere 12 are provided between the base 9 and the screw 6, so that the base 9 can rotate freely within a certain range, which is convenient for relatively stable support on an uneven supporting surface.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0034] Although the 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 highway bridge slab formwork with adjustable elevation, comprising a flat steel formwork (1) and a support assembly (3), characterized in that: A support assembly (3) is installed on the flat steel template (1), and the support assembly (3) comprises a steel pipe (5), a lead screw (6) and an adjustment block (7). The steel pipe (5) and the flat steel template (1) are fixed by welding. The bottom of the steel pipe (5) is fixedly connected to the adjustment block (7). A lead screw (6) is placed in the inner cavity of the steel pipe (5), and the lead screw (6) is screwed to the adjustment block (7). The bottom of the lead screw (6) extends to the lower side of the steel pipe (5). A support rod (11) is connected to the bottom of the lever (6), a sphere (12) is fixedly connected to the lower end of the support rod (11), a base (9) is placed below the support rod (11), a limit plate (2) is installed on the upper side of the base (9), a receiving groove (13) for receiving the sphere (12) is provided between the base (9) and the limit plate (2), the sphere (12) is located in the receiving groove (13) and the upper end of the sphere (12) is located on the upper side of the receiving groove (13).

2. The highway bridge slab formwork with adjustable elevation according to claim 1 is characterized by: A transverse plate (4) is welded to the plane steel template (1), and the steel pipe (5) is fixed to the transverse plate (4) and the plane steel template (1) by welding.

3. The highway bridge slab formwork with adjustable elevation according to claim 1 is characterized by: The bottom of the lead screw (6) is rotatably connected to a rotating seat (8), and the support rod (11) is fixedly connected to the bottom of the rotating seat (8).

4. The highway bridge slab formwork with adjustable elevation according to claim 3 is characterized by: A connecting shaft (10) is provided at the bottom of the lead screw (6), and the connecting shaft (10) is rotatably connected to the rotating seat (8).

5. The highway bridge slab formwork with adjustable elevation according to claim 1 is characterized by: There are two limit plates (2), and the two limit plates (2) are fixed to the upper side of the base (9) by means of bolts.

6. The highway bridge slab formwork with adjustable elevation according to claim 1 is characterized by: The bottom of the base (9) is provided with anti-slip grooves.

7. The highway bridge slab formwork with adjustable elevation according to claim 1 is characterized by: Lubricating grease is applied between the ball (12) and the receiving groove (13).

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