Box girder internal mold applicable to transition section

Abstract

The utility model belongs to the technical field of building box girder internal molds, and discloses a box girder internal mold applicable to a transition section, which comprises a support, an internal mold is fixedly arranged on the inner wall of the support, and the top end of the internal mold further comprises an adjusting assembly. The adjusting assembly comprises a rotating angle fixedly arranged at the top end of the inner mold, a stretching shaft is rotationally arranged in the rotating angle, a chamfering plate is arranged on the outer side of the stretching shaft in a sliding mode, a rotating shaft is rotationally arranged on the right side of the chamfering plate, and a reinforcing plate is rotationally arranged on the outer side of the rotating shaft. When connecting and assembling are carried out, the position, located in the chamfering plate, of the stretching shaft can be controlled, stretching is achieved, the chamfering angle of the inner mold is adjusted, different angles are formed in cooperation with rotation of the rotating shaft, the chamfering angle of the inner mold is better matched, the support and the chamfering angle of the inner mold are changed, and the supporting stability is reinforced in cooperation with adjustment of the threaded shaft; and the chamfering requirement of the transition section inner mold is met.

Description

Technical Field

[0001] The utility model relates to the technical field of building box beam inner molds, in particular to an inner mold of a box beam applicable to a gradual section. Background Art

[0002] The box girder inner mold is an expandable and contractible inner mold of different shapes made by vulcanizing the polymer properties of rubber and high-strength fiber cloth. The Dacheng box girder inner mold is used together with the steel formwork to form the cavity of the concrete component. When manufacturing hollow components, the Dacheng box girder inner mold is placed in the middle and filled with compressed air. The Dacheng box girder inner mold will stretch and expand to meet its cross-sectional design requirements.

[0003] At the same time, a box girder inner mold with application number CN202321557389.0 "includes an inner mold body, multiple locking structures and a supporting structure. The inner mold body includes two transverse mold plates and two side mold plates. The two ends of the two transverse mold plates are respectively connected to the top and bottom ends of the two side mold plates to surround and form an inner mold space; the connection between any adjacent transverse mold plates and side mold plates is provided with multiple locking structures, and the locking structure includes a card block, a locking groove and a slider. In any adjacent transverse mold plates and side mold plates, the card block is arranged on one of them, and the locking groove is arranged on the other. The locking groove includes a connected card groove and a slide groove. The card block can be plugged into the card groove, and the slider is slidably arranged in the slide groove. The card block is provided with a slider plug hole, and the slider can slide to be partially plugged into the slider plug hole or avoid the slider plug hole; the supporting structure is located in the inner mold space to support the inner mold body";

[0004] During the use of the existing box girder inner mold, since the structure of the box girder inner mold is relatively fixed after inflation or shaping, when it is used to deal with a model that requires gradual adjustment, the chamfer angle may be too large or too small, which in turn causes deviations in the box girder inner mold after forming and cannot adapt to temporary changes in the box girder inner mold structure.

[0005] Therefore, in order to solve the above problems, a box girder inner mold suitable for gradient sections is proposed. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides a box beam inner mold applicable to the gradient section, which has the advantages of being able to rotate and deflect and automatically adapt to the gradient section structure.

[0007] To achieve the above object, the utility model provides the following technical solutions: an inner mold of a box beam applicable to a gradient section, comprising a bracket, an inner mold is fixedly arranged on the inner wall of the bracket, and the top end of the inner mold also includes an adjustment component;

[0008] The adjustment component includes a rotating angle fixedly arranged at the top end of the inner mold, a stretching shaft is rotatably arranged inside the rotating angle, a chamfered plate is slidably arranged on the outside of the stretching shaft, a rotating shaft is rotatably arranged on the right side of the chamfered plate, a reinforcing plate is rotatably arranged on the outside of the rotating shaft, a top angle is fixedly arranged on the top end of the reinforcing plate, a connecting triangle is fixedly arranged on the bottom end of the chamfered plate, a connecting frame is rotatably arranged inside the connecting triangle, an adjusting threaded shaft is rotatably arranged at the bottom end of the connecting frame, a beam base is rotatably arranged on the outside of the adjusting threaded shaft, a beam frame is fixedly arranged on the top end of the beam base, and the beam frame and the reinforcing plate are fixedly arranged.

[0009] Preferably, a plurality of positioning holes are provided on the surface of the stretching shaft, through holes are provided on both the front and rear sides of the chamfered plate, and bolts are passed through the through holes of the chamfered plate.

[0010] Preferably, a nut is spirally arranged on the outer side of the adjusting threaded shaft, and the nut is fitted on the upper and lower sides of the beam base.

[0011] Preferably, the length of the adjusting threaded shaft near the middle is set to be twice the length of the adjusting threaded shaft near the two sides, and four groups of adjusting threaded shafts are symmetrically arranged.

[0012] Preferably, an extension plate is rotatably provided at the other end of the top angle, and the extension plate is fitted with the bracket.

[0013] Preferably, a notch is formed at the connecting end between the extension plate and the top corner, and the notch between the extension plate and the top corner is located directly above the rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model adjusts the stretching axis and the rotation angle structure in the assembly, and can control the position of the stretching axis inside the chamfered plate during connection and assembly to achieve stretching, adjust the chamfer angle of the inner mold, and cooperate with the rotation of the rotating shaft to form different angles, which are more in line with the chamfer of the inner mold, so that the chamfer of the bracket and the inner mold are changed, and the support stability is strengthened by adjusting the threaded shaft to adapt to the adjustment to the chamfer requirements of the inner mold in the gradient section. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the chamfered plate of the utility model;

[0019] Figure 4The utility model is a schematic diagram of the installation structure of the adjustable threaded shaft.

[0020] In the figure: 1, bracket; 2, inner mold; 3, beam frame; 4, extension plate;

[0021] 5. Adjustment assembly; 51. Chamfered plate; 52. Stretching shaft; 53. Rotation angle; 54. Connection triangle; 55. Connection frame; 56. Adjustment threaded shaft; 57. Nut; 58. Beam base;

[0022] 6. Top angle; 7. Reinforcement plate; 8. Rotating shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Embodiment. A box beam inner mold applicable to a gradual section, such as Figures 1 to 4 As shown, it includes a bracket 1, an inner mold 2 is fixedly arranged on the inner wall of the bracket 1, and an adjustment component 5 is also included on the top of the inner mold 2;

[0025] The adjusting component 5 includes a rotating angle 53 fixedly arranged at the top of the inner mold 2. The rotating angle 53 serves as a movable connecting structure to connect the stretching shaft 52 and the inner mold 2. The stretching shaft 52 is rotatably arranged inside the rotating angle 53. A chamfered plate 51 is slidably arranged on the outer side of the stretching shaft 52. A rotating shaft 8 is rotatably arranged on the right side of the chamfered plate 51. A reinforcing plate 7 is rotatably arranged on the outer side of the rotating shaft 8. A top angle 6 is fixedly arranged on the top of the reinforcing plate 7. A connecting triangle 54 is fixedly arranged at the bottom end of the chamfered plate 51. A connecting frame 55 is rotatably arranged inside the connecting triangle 54. An adjusting threaded shaft 56 is rotatably arranged at the bottom end of the connecting frame 55. The adjusting threaded shaft 56 can be connected and positioned in the connecting triangle 54 at the bottom end of the chamfered plate 51 through the connecting frame 55, so that height adjustment is more convenient. A beam base 58 is rotatably arranged on the outer side of the adjusting threaded shaft 56. A beam frame 3 is fixedly arranged on the top of the beam base 58, and the beam frame 3 and the reinforcing plate 7 are fixedly arranged to enhance the reinforcement effect.

[0026] Specifically, a plurality of positioning holes are provided on the surface of the stretching shaft 52 , through holes are provided on both the front and rear sides of the chamfered plate 51 , and bolts are passed through the through holes of the chamfered plate 51 . The bolts are inserted into the chamfered plate 51 to position the stretching shaft 52 .

[0027] Furthermore, a nut 57 is provided on the outer spiral of the adjusting threaded shaft 56, and the nut 57 is fitted on the upper and lower sides of the beam base 58. By rotating the adjusting threaded shaft 56, the nut 57 can be coordinated to be positioned to maintain an effective adjustment operation.

[0028] Furthermore, the length of the adjusting threaded shaft 56 near the middle is set to be twice the length of the adjusting threaded shaft 56 near the two sides, and four groups of adjusting threaded shafts 56 are symmetrically arranged. The four groups of adjusting threaded shafts 56 structure can improve the flexibility of adjustment and stable support.

[0029] It is worth noting that an extension plate 4 is rotatably provided at the other end of the top corner 6 , and the extension plate 4 is fitted with the bracket 1 . The extension plate 4 can play a stabilizing role as a connecting member.

[0030] It is worth noting that a notch is provided at the connecting end of the extension plate 4 and the top corner 6, and the notch between the extension plate 4 and the top corner 6 is located directly above the rotating shaft 8. The notch between the extension plate 4 and the top corner 6 can effectively prevent slipping during rotation.

[0031] Among them, the inner mold 2 is the existing technology and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of this patent and will not be described in detail.

[0032] Working principle and process:

[0033] When the staff uses the box beam inner mold 2, it is used in matching the gradient section. The stretching shaft 52 in the control adjustment component 5 can be pulled out from the inside of the chamfered plate 51. After the width of the inner mold 2 and the bracket 1 is opened, a bolt is inserted into the through hole and the positioning hole of the stretching shaft 52 to position it. During the expansion of the stretching shaft 52, it will rotate with the inner mold 2 through the rotation angle 53, thereby changing the chamfer of the inner mold 2, and controlling the chamfered plate 51 to rotate between the rotation shaft 8 and the reinforcement plate 7, and changing the inclination angle between the beam frame 3 and the crossbeam base 58, so as to use different gradient section chamfers. At the same time, the adjusting threaded shaft 56 structure in the rotating crossbeam base 58 can be positioned by the nut 57 and the rotation connection between the connecting frame 55 and the connecting triangle 54, so as to effectively support the chamfered plate 51 and keep it stable. The notch between the extension plate 4 and the top angle 6 rotates above the rotation shaft 8, which can avoid slipping during rotation and is more stable to use.

[0034] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical solution and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A box girder inner mold applicable to a gradient section, comprising a bracket (1), characterized in that: An inner mold (2) is fixedly arranged on the inner wall of the bracket (1), and an adjustment component (5) is also provided at the top of the inner mold (2); the adjustment component (5) includes a rotation angle (53) fixedly arranged at the top of the inner mold (2), a stretching shaft (52) is rotatably arranged inside the rotation angle (53), a chamfered plate (51) is slidably arranged on the outside of the stretching shaft (52), a rotation shaft (8) is rotatably arranged on the right side of the chamfered plate (51), a reinforcement plate (7) is rotatably arranged on the outside of the rotation shaft (8), a top angle (6) is fixedly arranged on the top of the reinforcement plate (7), a connecting triangle (54) is fixedly arranged at the bottom end of the chamfered plate (51), a connecting frame (55) is rotatably arranged inside the connecting triangle (54), an adjustment threaded shaft (56) is rotatably arranged at the bottom end of the connecting frame (55), a crossbeam base (58) is rotatably arranged on the outside of the adjustment threaded shaft (56), a beam frame (3) is fixedly arranged on the top of the crossbeam base (58), and the beam frame (3) and the reinforcement plate (7) are fixedly arranged.

2. The box girder inner mold applicable to the gradual change section according to claim 1, characterized in that: A plurality of groups of positioning holes are provided on the surface of the stretching shaft (52), through holes are provided on both the front and rear sides of the chamfered plate (51), and bolts are passed through the through holes of the chamfered plate (51).

3. The box beam inner mold applicable to the gradual change section according to claim 1, characterized in that: The outer spiral of the adjusting threaded shaft (56) is provided with a nut (57), and the nut (57) is fitted on the upper and lower sides of the crossbeam base (58).

4. The box beam inner mold applicable to the gradual change section according to claim 1, characterized in that: The length of the adjusting threaded shaft (56) near the middle is set to be twice the length of the adjusting threaded shaft (56) near the two sides, and the adjusting threaded shafts (56) are symmetrically arranged in four groups.

5. The box beam inner mold applicable to the gradual change section according to claim 1, characterized in that: An extension plate (4) is rotatably provided at the other end of the top corner (6), and the extension plate (4) is fitted with the bracket (1).

6. The box beam inner mold applicable to the gradual change section according to claim 5, characterized in that: A notch is provided at the connecting end of the extension plate (4) and the top corner (6), and the notch between the extension plate (4) and the top corner (6) is located directly above the rotating shaft (8).

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