Cast-in-place box culvert trolley template

Abstract

The utility model discloses a cast-in-place box culvert trolley formwork which comprises a door-shaped middle section formwork and adjusting formworks which are spliced, combined and connected to the two sides of the door-shaped middle section formwork, and the top ends and the side ends of the inner sides of the middle section formwork and the adjusting formworks are connected with a plurality of corresponding top back ridges and side back ridges respectively. The two top back ridges and the two side back ridges corresponding to the middle section formwork and the adjusting formworks are fixedly connected through the connecting back plates and the frame-shaped connecting pieces. According to the cast-in-place box culvert, the adjusting formworks which can be rapidly assembled through the frame-shaped connecting pieces and the supporting back plates are arranged on the two sides of the middle section formwork of the cast-in-place box culvert; in this way, the length of the trolley formwork can be adjusted for installation, the trolley formwork can meet the pouring requirements of box culverts with different lengths, and the adaptability of the trolley formwork is wider.

Description

Technical Field

[0001] The utility model relates to the field of box culvert casting, in particular to a cast-in-place box culvert trolley template. Background Art

[0002] According to the structural form, culverts are divided into circular culverts, arch culverts, slab culverts, and box culverts. According to the construction method, box culverts are divided into cast-in-place construction and prefabricated construction, among which cast-in-place box culvert construction is the most complicated. According to the design requirements of the construction drawings, a settlement joint is set every 4-6 meters for cast-in-place box culverts. Generally, a box culvert is divided into 5-6 sections of about 30 meters.

[0003] When the box culvert is cast on site, the inner mold of the box culvert is supported and moved by a hydraulic trolley. The existing trolley inner mold adopts a top surface mold and side molds hinged on both sides, and its length is relatively uniform. However, in actual operation, the setting width of the settlement joint is different, so inner molds of different lengths need to be adjusted. However, the existing inner mold has a single length and cannot be adjusted, which makes it unable to adapt well to the length requirements of casting box culverts of different lengths. Utility Model Content

[0004] In order to solve the above-mentioned problems, the utility model provides a cast-in-place box culvert trolley template.

[0005] The utility model is realized through the following technical solutions:

[0006] A cast-in-place box culvert trolley template comprises a gate-shaped middle section template and an adjusting template assembled and connected on both sides thereof; the inner top ends of the middle section template and the adjusting template and the side ends thereof are respectively connected with a plurality of corresponding top back ribs and side back ribs; the two corresponding top back ribs and side back ribs of the middle section template and the adjusting template are fixedly connected by connecting back plates and frame-shaped connectors.

[0007] Further optionally, the middle section template and the adjustment template include a top surface template and side templates arranged on both sides thereof, and a plurality of corresponding top ribs and side ribs are arranged at the bottom of the top surface template and the inner side of the side template, and the top surface template and the side template are hingedly connected by the corresponding top ribs and side ribs.

[0008] Further optionally, a plurality of side back ribs are provided on the back of the plurality of side ribs of the middle section template and the adjustment template, and a plurality of top back ribs are provided on the lower part of the plurality of top ribs of the middle section template and the adjustment template.

[0009] Further optionally, the frame-shaped connecting member is fixedly connected to the side back ribs of the middle section template and the adjustment template on both sides by multiple fixing bolts, and the back of the frame-shaped connecting member is fixed with a supporting back plate that fits with the seams of the side templates of the middle section template and the adjustment template.

[0010] Further optionally, the connecting back plate is fixedly connected to the middle section templates on both sides and the top back ribs of the adjusting template by a plurality of connecting bolts.

[0011] Further optionally, a plurality of hanging bolt holes connected to the top rib plate are opened on the top surface template of the adjustment template.

[0012] Compared with the existing technology, the beneficial effect of the utility model is that the utility model realizes the rapid connection and assembly of the middle section template and the adjustment template by arranging adjustable templates that can be quickly assembled through frame-shaped connectors and supporting back plates on both sides of the middle section template of the cast-in-place box culvert, so that the length of the trolley template can be adjusted and installed, which can meet the needs of casting box culverts of different lengths and has a wider adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is a three-dimensional schematic diagram of the internal structure of the utility model;

[0016] Figure 4 yes Figure 3 A schematic enlarged view of the local structure in FIG.

[0017] In the figure: middle section template 1, adjustment template 2, top rib 3, side rib 4, side back rib 5, top back rib 6, top surface template 7, side template 8, frame-shaped connecting piece 9, fixing bolt 10, supporting back plate 11, connecting back plate 12, connecting bolt 13, lifting bolt hole 14. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods:

[0019] like Figure 1 , 2 As shown, a cast-in-place box culvert trolley template includes a gate-shaped middle section template 1 and an adjusting template 2 assembled and connected on both sides thereof, wherein the middle section template 1 is 4.2 meters long, the adjusting templates 2 on both sides are 1 meter long respectively, and the total length is 6.2 meters, which can be adapted to the construction of box culverts of different lengths in each section of 4-6 meters. The inner top ends of the middle section template 1 and the adjusting template 2 and the side ends thereof are respectively connected with a plurality of corresponding top back ribs 6 and side back ribs 5, and the two corresponding top back ribs 6 and side back ribs 5 of the middle section template 1 and the adjusting template 2 are fixedly connected by connecting the back plate 12 and the frame-shaped connecting piece 9.

[0020] like Figure 3As shown, the middle section template 1 and the adjustment template 2 include a top surface template 7 and side templates 8 arranged on both sides thereof, and a plurality of corresponding top ribs 3 and side ribs 4 are arranged on the bottom of the top surface template 7 and the inner side of the side template 8. The top ribs 3 and the side ribs 4 support the bottom of the top surface template 7 and the side template 8 to prevent them from being deformed by force, and the top surface template 7 and the side template 8 are hingedly connected by the corresponding top ribs 3 and the side ribs 4.

[0021] like Figure 3 As shown, a plurality of side back ribs 5 are arranged on the back of the multiple side ribs 4 of the middle section formwork 1 and the adjustment formwork 2. The side back ribs 5 are welded by two back-to-back channel steels, and have better support. A plurality of top back ribs 6 are arranged on the lower part of the multiple top ribs 3 of the middle section formwork 1 and the adjustment formwork 2. The top back ribs 6 are arranged by I-beams, and have better supporting strength for the top surface formwork 7 at the top.

[0022] like Figure 4 As shown, the frame-shaped connector 9 is fixedly connected to the side back ribs 5 of the middle section template 1 and the adjustment template 2 on both sides by a plurality of fixing bolts 10. When the middle section template 1 and the adjustment template 2 are assembled, the frame-shaped connector 9 plays a role of plug-in positioning to ensure the connection accuracy of the two side back ribs 5, and ensure that the assembled middle section template 1 and the adjustment template 2 are horizontal and vertical. A supporting back plate 11 is fixed to the back of the frame-shaped connector 9, which fits the joint of the side template 8 of the middle section template 1 and the adjustment template 2. The supporting back plate 11 supports the joint of the side template 8 of the middle section template 1 and the adjustment template 2 to prevent local deformation caused by force.

[0023] like Figure 4 As shown, the connecting back plate 12 is fixedly connected to the top back ribs 6 of the middle section template 1 and the adjusting template 2 on both sides by a plurality of connecting bolts 13 .

[0024] like Figure 1 As shown, a plurality of lifting bolt holes 14 connected to the top rib plate 3 are opened on the top surface template 7 of the adjustment template 2, and the lifting bolt holes 14 are used to install threaded lifting ears. When the adjustment template 2 is assembled, the threaded lifting ears are removed and the rubber plugs are inserted into the lifting bolt holes 14 to ensure the integrity of the subsequent pouring.

[0025] The implementation principle of a cast-in-place box culvert trolley template in the embodiment of the present application is:

[0026] The middle section template 1 of the trolley inner mold is 4.2m long, and the adjustable templates 2 on both sides are 1m each, with a total length of 6.2m, which can be adapted to the construction of box culverts with different lengths of 4-6m sections;

[0027] When assembling the middle section template 1 and the adjustment template 2 according to the length of the cast box culvert, firstly, put the frame-shaped connector 9 on the connection of the end of the side back rib 5 of the middle section template 1, then connect the threaded lifting ear to the hanging bolt hole 14 on the top of the adjustment template 2, and use a crane to lift the adjustment template 2 with a wire rope and place it on the side end of the middle section template 1 and face the adjustment template 2 end, insert the side back rib 5 of the side template 8 of the adjustment template 2 into the previously installed frame-shaped connector 9 and align it with the middle section template 1, and after alignment, use the fixing bolts 10 to fix the frame-shaped connector 9 and the side back rib 5;

[0028] Then, the connecting back plate 12 is clamped in the grooves on both sides of the top back rib 6 of the top surface template 7 of the corresponding middle section template 1 and the adjustment template 2, and fixed by connecting bolts 13, so that the middle section template 1 and the adjustment template 2 can be quickly connected and assembled, and the length of the trolley template can be adjusted and installed, which can meet the needs of casting box culverts of different lengths and has a wider adaptability.

[0029] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cast-in-place box culvert trolley template, characterized in that: The invention comprises a gate-shaped middle section template (1) and an adjustment template (2) assembled and connected on both sides thereof, wherein the inner top ends and side ends of the middle section template (1) and the adjustment template (2) are respectively connected with a plurality of corresponding top back ribs (6) and side back ribs (5), and the two corresponding top back ribs (6) and side back ribs (5) of the middle section template (1) and the adjustment template (2) are fixedly connected via a connecting back plate (12) and a frame-shaped connecting piece (9).

2. A cast-in-place box culvert trolley formwork according to claim 1, characterized in that: The intermediate section template (1) and the adjustment template (2) include a top template (7) and side templates (8) arranged on both sides thereof, a plurality of corresponding top ribs (3) and side ribs (4) are arranged at the bottom of the top template (7) and the inner side of the side template (8), and the top template (7) and the side template (8) are hingedly connected via the corresponding top ribs (3) and side ribs (4).

3. A cast-in-place box culvert trolley formwork according to claim 2, characterized in that: The backs of the multiple side ribs (4) of the middle section template (1) and the adjustment template (2) are provided with multiple side back ribs (5), and the lower parts of the multiple top ribs (3) of the middle section template (1) and the adjustment template (2) are provided with multiple top back ribs (6).

4. The cast-in-place box culvert trolley formwork according to claim 1, characterized in that: The frame-shaped connecting member (9) is fixedly connected to the side back ribs (5) of the middle section template (1) and the adjusting template (2) on both sides by means of a plurality of fixing bolts (10); a supporting back plate (11) is fixed to the back of the frame-shaped connecting member (9) and is fitted to the seams of the side templates (8) of the middle section template (1) and the adjusting template (2).

5. The cast-in-place box culvert trolley template according to claim 1, characterized in that: The connecting back plate (12) is fixedly connected to the top back ribs (6) of the middle section templates (1) and the adjusting template (2) on both sides via a plurality of connecting bolts (13).

6. The cast-in-place box culvert trolley template according to claim 2, characterized in that: A plurality of hanging bolt holes (14) communicating with the top rib plate (3) are provided on the top surface template (7) of the adjustment template (2).

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