Adjusting device for prefabricated box girder end formwork

Abstract

The utility model relates to a prefabricated box girder end formwork adjusting device, which belongs to the field of building construction and comprises a bottom formwork, side formworks arranged on the left side and the right side of the outside of the bottom formwork, ends hinged to the outside of the side formworks, adjusting formworks slidably connected to the interiors of the side formworks and the bottom formwork and an installation box arranged at the bottom of the bottom formwork. An angle adjusting mechanism used for adjusting the angle of the end is arranged outside the side molds, an adjusting mechanism which extends to the outside of the mounting box and is used for moving the two side molds is arranged in the mounting box, and the angle adjusting mechanism comprises a first hinge seat fixedly mounted on the side molds; and a hydraulic cylinder is rotationally mounted in the first hinge seat. According to the prefabricated box girder end formwork adjusting device, the hydraulic cylinder is started to stretch out and draw back through the controller, the hydraulic cylinder stretches out and draws back to drive the second hinge base to move, the second hinge base drives the end to adjust the angle, so that the position of the end is adjusted, and the advantage that the position of the end is convenient to adjust is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a prefabricated box beam end template adjusting device. Background Art

[0002] With the emergence of a large number of prestressed curved bridges with novel structures and complex technologies, the skew angles of box girders change frequently, and the shapes and sizes of the ends of prefabricated box girders also change accordingly. The sizes of the ends of prefabricated box girders in the same project are diverse and differentiated. Using conventional templates and construction methods, templates of corresponding sizes need to be made for different end shapes. The construction is cumbersome, the production efficiency is low, and the precision is poor, which directly affects the production and installation quality and poses hidden dangers to the use and maintenance of bridge projects.

[0003] In the process of prefabricating the end formwork of a box girder, a prefabricated end formwork adjustment device is required. After searching, the Chinese patent CN219855135U in the prior art discloses a prefabricated end formwork adjustment device for a box girder, including a side formwork, two pads are arranged on the two side walls of the side formwork, a screw is arranged through the two pads, one end of the screw is fixed on the end formwork, a first nut and a second nut are arranged on the screw, the first nut and the second nut are located on both sides of the pad, and a limit assembly is arranged at the lower end of the pad. The utility model utilizes the cooperation between the screw, the two nuts, the pad and the limit assembly, the two nuts are located on both sides of the pad, when the end formwork moves inward and outward, the end formwork can be moved to ensure the accuracy of the position, and the setting of the limit assembly is convenient for quickly determining the position of the two nuts.

[0004] However, the utility model prefabricated box girder end formwork adjustment device is not convenient for adjusting the end position according to the length and angle of the prefabricated beam, and is not suitable for box girder formworks with different spans, which seriously affects the practicability of the prefabricated box girder end formwork and cannot meet the use requirements. Therefore, a prefabricated box girder end formwork adjustment device is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a prefabricated box girder end template adjustment device, which has the advantages of easy adjustment of the end position and strong practicality. It solves the problem that the existing prefabricated box girder end template stand adjustment device is not convenient for adjusting the end position according to the length and angle of the prefabricated beam, and is not suitable for box girder templates with different spans, which seriously affects the practicality of the prefabricated box girder end template stand and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated box beam end template adjustment device, comprising a bottom template, side templates arranged on the left and right sides of the outside of the bottom template, an end hinged to the outside of the side template, an adjustment template slidably connected to the side template and the inside of the bottom template, and an installation box arranged at the bottom of the bottom template, the outside of the side template is provided with an angle adjustment mechanism for adjusting the angle of the end, and the inside of the installation box is provided with an adjustment mechanism extending to the outside thereof for moving the two side templates;

[0007] The angle adjustment mechanism comprises a first hinge seat fixedly mounted on the side mold, a hydraulic cylinder is rotatably mounted inside the first hinge seat, a second hinge seat is hinged on the output end of the hydraulic cylinder, and the second hinge seat is fixedly connected to the bottom of the end head;

[0008] The adjustment mechanism includes a dual-axis motor fixedly installed inside the installation box, and the two output ends of the dual-axis motor are respectively fixedly connected with threaded rods, the outsides of the two threaded rods are threadedly connected with threaded blocks, the tops of the two threaded blocks are fixedly connected with connecting blocks extending to the outside of the installation box, the tops of the two connecting blocks are fixedly connected with fixing seats, and the two fixing seats are fixedly connected to the bottoms of the two side molds.

[0009] Furthermore, there are two angle adjustment mechanisms, and the two angle adjustment mechanisms are symmetrically distributed on the outside of the two side molds.

[0010] Furthermore, the threaded rod is rotatably connected to the inner wall of the installation box, and a limiting plate adapted to the threaded rod is fixedly connected to the interior of the installation box.

[0011] Furthermore, a sliding opening adapted to the connection block is provided inside the installation box, and the outer diameter of the connection block is adapted to the inner diameter of the sliding opening.

[0012] Furthermore, a slider extending into the interior of the installation box is fixedly connected to the bottom of the threaded block, a slide groove matching the slider is provided inside the installation box, and the slider and the slide groove are slidably connected.

[0013] Furthermore, the installation box is a hollow cuboid, and a controller is fixedly installed on the front side of the installation box.

[0014] Furthermore, a limiting slide block extending to the inside of the side mold is fixedly connected to the top of the installation box, and a limiting slide groove matched with the limiting slide block is provided inside the side mold, and the limiting slide block and the limiting slide groove are slidably connected.

[0015] Compared with the prior art, the utility model provides a prefabricated box beam end template adjustment device, which has the following beneficial effects:

[0016] 1. The prefabricated box girder end template adjustment device starts the extension and retraction of the hydraulic cylinder through the controller, and the extension and retraction of the hydraulic cylinder drives the second hinged seat to move, and the second hinged seat drives the end to adjust the angle to achieve the adjustment of the end position, thereby achieving the advantage of facilitating the adjustment of the end position.

[0017] 2. The prefabricated box girder end template adjustment device starts the dual-axis motor through the controller, and the dual-axis motor drives the two threaded rods to rotate. The rotation of the threaded rods drives the threaded block, the connecting block and the fixed seat to move left and right, and the two side templates are driven to move closer or apart through the two fixed seats, so as to adjust the distance between the bottom template and the side template, which is convenient for adjusting the box girder templates with different spans. By setting the slider and the slide groove, the stability of the left and right movement of the threaded block is improved. By setting the limit slider and the limit slide groove, the stability of the left and right movement of the two side templates is improved, thereby achieving the advantage of strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0019] Figure 2 This is a front view of the structure of the utility model;

[0020] Figure 3 It is a structural stereogram of the adjusting template of the utility model.

[0021] In the figure: 1 bottom mold, 2 side mold, 3 end head, 4 adjustment template, 5 installation box, 6 angle adjustment mechanism, 61 first articulated seat, 62 hydraulic cylinder, 63 second articulated seat, 7 adjustment mechanism, 71 dual-axis motor, 72 threaded rod, 73 threaded block, 74 connecting block, 75 fixed seat, 76 slider, 8 controller, 9 limit slider. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1:

[0024] See also Figure 1-3In this embodiment, a prefabricated box beam end template adjustment device comprises a bottom template 1, side templates 2 arranged on the left and right sides of the outside of the bottom template 1, an end 3 hinged to the outside of the side template 2, an adjustment template 4 slidably connected to the inside of the side template 2 and the bottom template 1, and an installation box 5 arranged at the bottom of the bottom template 1. The outside of the side template 2 is provided with an angle adjustment mechanism 6 for adjusting the angle of the end 3. The inside of the installation box 5 is provided with an adjustment mechanism 7 extending to the outside thereof for moving the two side templates 2. The angle adjustment mechanism 6 comprises a first hinge seat 61 fixedly installed on the side template 2, a hydraulic cylinder 62 is rotatably installed inside the first hinge seat 61, a second hinge seat 63 is hinged on the output end of the hydraulic cylinder 62, and the second hinge seat 63 is fixedly connected to the bottom of the end 3. The installation box 5 is a hollow cuboid, and a controller 8 is fixedly installed on the front of the installation box 5.

[0025] The hydraulic cylinder 62 is activated to extend and retract through the controller 8, and the extension and retraction of the hydraulic cylinder 62 drives the second hinged seat 63 to move, and the second hinged seat 63 drives the end head 3 to adjust the angle to adjust the position of the end head 3, thereby achieving the advantage of facilitating the adjustment of the position of the end head.

[0026] There are two angle adjustment mechanisms 6 , and the two angle adjustment mechanisms 6 are symmetrically distributed outside the two side molds 2 .

[0027] In this embodiment, the adjustment mechanism 7 includes a double-axis motor 71 fixedly installed inside the installation box 5, and the two output ends of the double-axis motor 71 are respectively fixedly connected with threaded rods 72, and the outsides of the two threaded rods 72 are threadedly connected with threaded blocks 73, and the tops of the two threaded blocks 73 are fixedly connected with connecting blocks 74 extending to the outside of the installation box 5, and the tops of the two connecting blocks 74 are fixedly connected with fixed seats 75, and the two fixed seats 75 are fixedly connected to the bottoms of the two side molds 2. The double-axis motor 71 is started by the controller 8, and the double-axis motor 71 drives the two threaded rods 72 to rotate, and the rotation of the threaded rods 72 drives the threaded blocks 73, the connecting blocks 74 and the fixed seats 75 to move left and right, and the two side molds 2 are driven to approach or separate through the two fixed seats 75, so as to adjust the spacing between the bottom mold 1 and the side mold 2, so as to facilitate the adjustment according to the box beam templates with different spans.

[0028] The threaded rod 72 is rotatably connected to the inner wall of the installation box 5, and a limit plate adapted to the threaded rod 72 is fixedly connected inside the installation box 5. The side mold 2 and the bottom mold 1 are both provided with movable slide grooves adapted to the adjustment mold plate 4.

[0029] Specifically, a sliding opening adapted to the connection block 74 is provided inside the installation box 5 , and the outer diameter of the connection block 74 is adapted to the inner diameter of the sliding opening.

[0030] It should be noted that the bottom of the threaded block 73 is fixedly connected with a slider 76 extending into the interior of the installation box 5, and a slide groove adapted to the slider 76 is provided inside the installation box 5, and the slider 76 and the slide groove are slidably connected. By providing the slider 76 and the slide groove, the stability of the left and right movement of the threaded block 73 is improved.

[0031] Embodiment 2:

[0032] See also Figure 1-3 On the basis of the first embodiment, a limiting slider 9 is fixedly connected to the top of the installation box 5 and extends to the inside of the side mold 2. A limiting slide groove adapted to the limiting slider 9 is provided inside the side mold 2. The limiting slider 9 and the limiting slide groove are slidably connected. By providing the limiting slider 9 and the limiting slide groove, the stability of the left and right movement of the two side molds 2 is improved, achieving the advantage of strong practicality.

[0033] The adoption of the above technical solution improves the stability of the left and right movement of the two side molds 2, achieving the advantage of strong practicality.

[0034] The working principle of the above embodiment is:

[0035] When in use, the hydraulic cylinder 62 is started to extend and retract through the controller 8, and the extension and retraction of the hydraulic cylinder 62 drives the second articulated seat 63 to move, and the second articulated seat 63 drives the end head 3 to adjust the angle, so as to adjust the position of the end head 3; when adjusting the spacing between the bottom mold 1 and the side mold 2, the double-axis motor 71 is started by the controller 8, and the double-axis motor 71 drives the two threaded rods 72 to rotate, and the rotation of the threaded rods 72 drives the threaded block 73, the connecting block 74 and the fixed seat 75 to move left and right, and the two fixed seats 75 drive the two side molds 2 to move closer or apart, so as to adjust the spacing between the bottom mold 1 and the side mold 2, and the adjustment can be performed according to the box girder templates with different spans. By setting the limit slider 9 and the limit slide groove, the two side molds 2 can be stably moved left and right.

[0036] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail. The device is powered by an external power supply.

[0037] 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] 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 prefabricated box beam end template adjustment device, characterized in that: The invention comprises a bottom mold (1), side molds (2) arranged on the left and right sides of the outside of the bottom mold (1), end heads (3) hinged to the outside of the side molds (2), an adjustment mold plate (4) slidably connected to the inside of the side molds (2) and the bottom mold (1), and an installation box (5) arranged at the bottom of the bottom mold (1), wherein the outside of the side molds (2) is provided with an angle adjustment mechanism (6) for adjusting the angle of the end heads (3), and the inside of the installation box (5) is provided with an adjustment mechanism (7) extending to the outside thereof for moving the two side molds (2); The angle adjustment mechanism (6) comprises a first hinged seat (61) fixedly mounted on the side mold (2), a hydraulic cylinder (62) being rotatably mounted inside the first hinged seat (61), a second hinged seat (63) being hinged on the output end of the hydraulic cylinder (62), and the second hinged seat (63) being fixedly connected to the bottom of the end head (3); The adjustment mechanism (7) comprises a double-axis motor (71) fixedly mounted inside the installation box (5); threaded rods (72) are fixedly connected to the two output ends of the double-axis motor (71); threaded blocks (73) are threadedly connected to the outside of the two threaded rods (72); the tops of the two threaded blocks (73) are fixedly connected to connecting blocks (74) extending to the outside of the installation box (5); the tops of the two connecting blocks (74) are fixedly connected to fixing seats (75); and the two fixing seats (75) are fixedly connected to the bottoms of the two side molds (2).

2. The prefabricated box beam end template adjustment device according to claim 1 is characterized in that: The number of the angle adjustment mechanisms (6) is two, and the two angle adjustment mechanisms (6) are symmetrically distributed on the outside of the two side molds (2).

3. The prefabricated box beam end template adjustment device according to claim 1 is characterized in that: The threaded rod (72) is rotatably connected to the inner wall of the installation box (5), and a limiting plate matching the threaded rod (72) is fixedly connected to the interior of the installation box (5).

4. The prefabricated box beam end template adjustment device according to claim 1, characterized in that: A sliding opening matched with the connecting block (74) is provided inside the installation box (5), and the outer diameter of the connecting block (74) matches the inner diameter of the sliding opening.

5. The prefabricated box beam end template adjustment device according to claim 1, characterized in that: The bottom of the threaded block (73) is fixedly connected with a sliding block (76) extending into the interior of the installation box (5); a sliding groove matching the sliding block (76) is provided inside the installation box (5); the sliding block (76) and the sliding groove are slidably connected.

6. The prefabricated box beam end template adjustment device according to claim 1, characterized in that: The installation box (5) is a hollow rectangular parallelepiped, and a controller (8) is fixedly mounted on the front of the installation box (5).

7. The prefabricated box beam end template adjustment device according to claim 1 is characterized in that: The top of the installation box (5) is fixedly connected with a limit slide block (9) extending into the inside of the side mold (2); the inside of the side mold (2) is provided with a limit slide groove matched with the limit slide block (9); the limit slide block (9) and the limit slide groove are slidably connected.

Images