Box girder formwork

Abstract

The utility model provides a box girder template, which relates to the technical field of box girder manufacturing equipment and comprises a supporting piece, a first telescopic rod, a second telescopic rod, a surface layer template and a cross slope template, the close ends of the surface layer template and the cross slope template are hinged, the supporting piece is arranged on the outer side of the surface layer template and the outer side of the cross slope template, and the first telescopic rod is connected with the second telescopic rod. One end of the first telescopic rod is connected with the supporting piece, and the other end of the first telescopic rod is hinged to the surface layer formwork. One end of the second telescopic rod is connected with the supporting piece, and the other end of the second telescopic rod is hinged to the cross slope formwork. The first telescopic rod and the second telescopic rod are both manually adjusted telescopic rods. The box girder formwork is simple in structure, low in cost and easy to manufacture.

Description

Technical Field

[0001] The utility model relates to the technical field of box beam manufacturing equipment, in particular to a box beam template. Background Art

[0002] A large number of templates are required during bridge construction. Due to frequent use, steel structure templates are mostly used in bridge construction. Since steel structure templates have many advantages such as high strength, high rigidity, stability and good integrity, they are widely used in construction. However, most of the existing steel structure templates are fixed products, do not have the function of slope adjustment, and cannot meet the adjustment of the template slope. They can only be temporarily modified according to actual conditions during the prefabrication process. However, the temporary modification of the template not only consumes a lot of materials and labor, affects the construction period, but also increases the construction cost. Some steel structure templates can adjust the slope. For example, the patent application with publication number CN116460957A, the disclosed solution adjusts the slope of the template by multiple hydraulic cylinders, but it needs to be configured with a corresponding hydraulic system to achieve, which greatly increases the cost and the structure is complicated. Based on this, a new solution is urgently needed to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a box beam template to solve the problems existing in the above-mentioned prior art, and has a simple structure, low cost and easy production.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a box beam template, comprising a support, a first telescopic rod, a second telescopic rod, a surface layer template and a transverse slope template, wherein the surface layer template and the transverse slope template are hingedly connected at one end close to each other, the support is arranged on the outer sides of the surface layer template and the transverse slope template, one end of the first telescopic rod is connected to the support, and the other end is hinged to the surface layer template; one end of the second telescopic rod is connected to the support, and the other end is hinged to the transverse slope template; the first telescopic rod and the second telescopic rod are both manually adjustable telescopic rods.

[0006] Preferably, the manually adjustable telescopic rod has the following two forms:

[0007] The first manually adjustable telescopic rod comprises a threaded shaft and threaded sleeves threadedly connected to both ends of the threaded shaft, and rotating the threaded shaft can change the connection length between the threaded shaft and the threaded sleeve;

[0008] The second manually adjustable telescopic rod includes an outer sleeve and an inner sleeve, wherein the inner sleeve can be slidably nested in the outer sleeve, and the outer sleeve and the inner sleeve are both provided with a plurality of pairs of connecting holes, and the outer sleeve and the inner sleeve are bolted and locked through the connecting holes.

[0009] Preferably, the support member includes a vertical support rod, a bottom cross rod, a third telescopic rod and an intermediate hinged plate; the vertical support rod is vertically arranged, one end of the bottom cross rod is fixedly connected to the vertical support rod, and the other end is hinged to the bottom of the surface layer formwork, one end of the third telescopic rod is fixedly connected to the vertical support rod, and the other end is hinged to one end of the intermediate hinged plate, the other end of the intermediate hinged plate is hinged to the surface layer formwork, the second telescopic rod is vertically arranged, and the end away from the horizontal slope formwork is fixedly connected to the third telescopic rod.

[0010] Preferably, a height of a hinge point between the first telescopic rod and the surface layer template is higher than a height of a hinge point between the first telescopic rod and the vertical support rod.

[0011] Preferably, frames are provided on the outer sides of the surface layer formwork and the transverse slope formwork, the surface layer formwork is hinged to the first telescopic rod through the frames on the outer sides thereof, and the transverse slope formwork is hinged to the second telescopic rod through the frames on the outer sides thereof.

[0012] Preferably, the vertical support rod is made of square steel or channel steel.

[0013] Preferably, a plurality of rotating handles are provided in the middle portion of the threaded shaft, and the plurality of rotating handles are arranged in sequence along the circumferential direction.

[0014] Preferably, the outer sleeve and the inner sleeve are both square steel with through holes.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The box girder formwork provided by the utility model changes the slope of the surface formwork and the cross slope formwork by manually adjusting the telescopic rod, abandoning the existing solution through a hydraulic cylinder. The manually adjustable telescopic rod has a simple structure, low cost, and is easy to manufacture. Therefore, compared with the existing technology, the box girder formwork provided by the utility model has the advantages of simple structure, low cost, and easy manufacture. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a box beam template provided by an embodiment of the utility model;

[0019] Figure 2 for Figure 1 A front view of

[0020] Figure 3 This is a schematic structural diagram of a first manually adjustable telescopic rod in an embodiment of the utility model;

[0021] In the figure: 1-vertical support rod; 2-bottom cross bar; 3-surface template; 4-first telescopic rod; 5-third telescopic rod; 6-second telescopic rod; 7-cross slope template; 51-hinge plate; 41-threaded shaft; 42-threaded sleeve. 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] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] The utility model embodiment provides a box beam template, such as Figure 1-2 As shown, it includes a support member, a first telescopic rod 4, a second telescopic rod 6, a surface layer formwork 3 and a transverse slope formwork 7. The surface layer formwork 3 and the transverse slope formwork 7 are hingedly connected at one end close to each other. The support member is arranged on the outside of the surface layer formwork 3 and the transverse slope formwork 7. One end of the first telescopic rod 4 is connected to the support member, and the other end is hinged to the surface layer formwork 3; one end of the second telescopic rod 6 is connected to the support member, and the other end is hinged to the transverse slope formwork 7; the first telescopic rod 4 and the second telescopic rod 6 are both manually adjustable telescopic rods.

[0025] The surface layer formwork 3 and the cross slope formwork 7 in this embodiment are obtained by dividing the fixed side formwork in the prior art into two parts, and hingedly connecting the two parts, which is a prerequisite for adjusting the slope of the formwork. The first telescopic rod 4 and the second telescopic rod 6 are used to flexibly connect the surface layer formwork 3 and the cross slope formwork 7 to the support.

[0026] The box girder formwork provided in this embodiment changes the slope of the surface layer formwork 3 and the cross slope formwork 7 by manually adjusting the telescopic rod, abandoning the existing solution through a hydraulic cylinder. The manually adjustable telescopic rod has a simple structure, low cost, and is easy to manufacture. Therefore, compared with the prior art, the box girder formwork provided by the utility model has the advantages of simple structure, low cost, and easy manufacture.

[0027] The above embodiment only limits the first telescopic rod 4 and the second telescopic rod 6 to manually adjustable telescopic rods, without limiting the specific structure, which means that any manually adjustable telescopic rod can be applied to the above embodiment to solve the defects of complex structure and high cost in the prior art.

[0028] In some embodiments, the manually adjustable telescopic rod has the following two forms:

[0029] like Figure 3 As shown, the first manually adjustable telescopic rod includes a threaded shaft 41 and threaded sleeves 42 threadedly connected to both ends of the threaded shaft 41 . Rotating the threaded shaft 41 can change the connection length between the threaded shaft 41 and the threaded sleeve 42 .

[0030] The two threaded sleeves 42 in this type of manually adjustable telescopic rod are respectively connected to the template and the support frame. The connection length between the threaded shaft 41 and the threaded sleeve 42 is adjusted by rotating the threaded shaft 41, thereby achieving a change in the length of the entire telescopic rod. Specifically, the threads on the two threaded sleeves 42 and the threaded shaft 41 must meet the requirement that when the threaded shaft 41 rotates in one direction, the two threaded sleeves 42 can be screwed in or out at the same time.

[0031] The second manually adjustable telescopic rod includes an outer sleeve and an inner sleeve. The inner sleeve can be slidably nested in the outer sleeve. The outer sleeve and the inner sleeve are both provided with multiple pairs of connecting holes. The outer sleeve and the inner sleeve are bolted and locked through the connecting holes.

[0032] When this type of manually adjustable telescopic rod is locked, it is necessary to align the corresponding connecting holes in the outer sleeve and the inner sleeve, then insert the bolt and screw on the nut.

[0033] It can be understood that the first telescopic rod 4 can be a first type of manually adjustable telescopic rod or a second type of manually adjustable telescopic rod; the second telescopic rod 6 can be a first type of manually adjustable telescopic rod or a second type of manually adjustable telescopic rod.

[0034] The two manually adjustable telescopic rods provided in this embodiment have simple structures and low costs, and can completely solve the defects of high costs and complex structures in the prior art.

[0035] In some embodiments, the support member includes a vertical support rod 1, a bottom cross bar 2, a third telescopic rod 5 and an intermediate hinged plate 51; the vertical support rod 1 is vertically arranged, one end of the bottom cross bar 2 is fixedly connected to the vertical support rod 1, and the other end is hinged to the bottom of the surface layer template 3, one end of the third telescopic rod 5 is fixedly connected to the vertical support rod 1, and the other end is hinged to one end of the intermediate hinged plate 51, and the other end of the intermediate hinged plate 51 is hinged to the surface layer template 3, the second telescopic rod 6 is vertically arranged, and the end away from the horizontal slope template 7 is fixedly connected to the third telescopic rod 5, wherein the vertical support rod 1 is preferably made of square steel or channel steel at the construction site. The outer sleeve and the inner sleeve are preferably made of square steel with through holes, which is convenient for material selection and can be selected at the construction site.

[0036] The bottom cross bar 2 in this embodiment is used to enhance the overall structural strength and support the bottom of the surface layer template 3, wherein the third telescopic rod 5 can be the first manually adjustable telescopic rod or the second manually adjustable telescopic rod. The structure of this embodiment can improve the structural strength of the overall device.

[0037] In some embodiments, the height of the hinge point between the first telescopic rod 4 and the surface layer template 3 is higher than the height of the hinge point between the first telescopic rod 4 and the vertical support rod 1 .

[0038] In some embodiments, a frame is provided on the outside of the surface layer formwork 3 and the cross slope formwork 7. The surface layer formwork 3 is hinged to the first telescopic rod 4 through the frame on its outside, and the cross slope formwork 7 is hinged to the second telescopic rod 6 through the frame on its outside.

[0039] In some embodiments, a plurality of rotating handles are disposed in the middle of the threaded shaft 41 , and the plurality of rotating handles are sequentially arranged along the circumferential direction to facilitate manual rotation of the threaded shaft 41 .

[0040] In some embodiments, two support members, two first telescopic rods 4 and two second telescopic rods 6 may be provided along the extending direction of the surface layer formwork 3 and the transverse slope formwork 7 .

[0041] The hinges in all the above embodiments can be hinged via a rotating shaft, and ear plates can be provided as hinge seats to achieve hinges when necessary.

[0042] It should be noted that the box girder formwork provided by the present invention is usually arranged on both sides of a bottom formwork.

[0043] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A box beam formwork, characterized in that: It includes a support member, a first telescopic rod, a second telescopic rod, a surface layer formwork and a transverse slope formwork, wherein the surface layer formwork and the transverse slope formwork are hingedly connected at one end close to each other, the support member is arranged on the outside of the surface layer formwork and the transverse slope formwork, one end of the first telescopic rod is connected to the support member, and the other end is hinged to the surface layer formwork; one end of the second telescopic rod is connected to the support member, and the other end is hinged to the transverse slope formwork; the first telescopic rod and the second telescopic rod are both manually adjustable telescopic rods.

2. The box beam formwork according to claim 1, characterized in that: The manually adjustable telescopic rod has the following two forms: The first manually adjustable telescopic rod comprises a threaded shaft and threaded sleeves threadedly connected to both ends of the threaded shaft, and rotating the threaded shaft can change the connection length between the threaded shaft and the threaded sleeve; The second manually adjustable telescopic rod includes an outer sleeve and an inner sleeve, wherein the inner sleeve can be slidably nested in the outer sleeve, and the outer sleeve and the inner sleeve are both provided with a plurality of pairs of connecting holes, and the outer sleeve and the inner sleeve are bolted and locked through the connecting holes.

3. The box beam formwork according to claim 2, characterized in that: The support member includes a vertical support rod, a bottom cross rod, a third telescopic rod and an intermediate hinged plate; the vertical support rod is vertically arranged, one end of the bottom cross rod is fixedly connected to the vertical support rod, and the other end is hinged to the bottom of the surface layer formwork, one end of the third telescopic rod is fixedly connected to the vertical support rod, and the other end is hinged to one end of the intermediate hinged plate, and the other end of the intermediate hinged plate is hinged to the surface layer formwork, the second telescopic rod is vertically arranged, and the end away from the horizontal slope formwork is fixedly connected to the third telescopic rod.

4. The box beam formwork according to claim 3, characterized in that: The height of the hinge point between the first telescopic rod and the surface layer template is higher than the height of the hinge point between the first telescopic rod and the vertical support rod.

5. The box beam formwork according to claim 1, characterized in that: The outer sides of the surface layer formwork and the transverse slope formwork are both provided with frames. The surface layer formwork is hinged to the first telescopic rod through the frames on the outer sides thereof, and the transverse slope formwork is hinged to the second telescopic rod through the frames on the outer sides thereof.

6. The box beam formwork according to claim 3, characterized in that: The vertical support rod is made of square steel or channel steel.

7. The box beam formwork according to claim 2, characterized in that: A plurality of rotating handles are arranged in the middle of the threaded shaft, and the plurality of rotating handles are arranged in sequence along the circumferential direction.

8. The box beam formwork according to claim 2, characterized in that: The outer sleeve and the inner sleeve are both square steel with through holes.

Images