Combined steel mould structure of cast-in-place drainage ditch

Abstract

The utility model relates to the technical field of building construction, and provides a cast-in-place drainage ditch combined steel mold structure, a drainage ditch comprises a concrete foundation, and a first retaining wall and a second retaining wall which are arranged on the two sides of the concrete foundation; the combined steel formwork structure comprises a first retaining wall pouring formwork, a second retaining wall pouring formwork, clamping devices and inclined struts. The first retaining wall pouring formwork comprises a first inner formwork and a first outer formwork. The second retaining wall pouring formwork comprises a second inner formwork and a second outer formwork. Embedded steel bars with the tops extending out are embedded in the two sides of the concrete foundation; the embedded steel bars are inserted into the bottoms of the first inner mold, the first outer mold, the second inner mold and the second outer mold. The clamping device comprises a cross rod and a clamping piece; and clamping pieces are movably arranged on the cross rods, and are respectively matched with the tops of the inner mold I, the outer mold I, the inner mold II and the outer mold II in an inserting manner. The technical problem caused by the fact that the formwork is fixed through the opposite-pull screw rod is solved; and the construction speed is high, and slurry leakage caused by drilling in the enclosure part of the steel mold and drilling is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a cast-in-place drainage ditch combined steel form structure. BACKGROUND

[0002] At present, in the construction of drainage ditches in roadbed projects, steel forms or wooden forms are widely supported and fixed by tensioning screw rods and steel pipes, but this process has many deficiencies in construction, such as long time consumption in threading the tensioning screw rods, non-correspondence of screw rod holes on both sides of the form, easy swelling of the form due to loosening of the tensioning rods, and leakage of concrete from the tensioning rod holes affecting the appearance quality. CONTENT OF THE UTILITY MODEL

[0003] In view of the problems in the prior art, the present application provides a cast-in-place drainage ditch combined steel form structure, which changes the current situation that the inner form and the outer form are fixed by tensioning screw rods.

[0004] The utility model provides a cast-in-place drainage ditch combined steel form structure, the drainage ditch includes concrete foundation and the retaining wall no. 1 and retaining wall no. 2 of setting in the concrete foundation both sides, the combined steel form structure includes retaining wall no. 1 pouring form, retaining wall no. 2 pouring form, fixture and inclined brace, the retaining wall no. 1 pouring form includes interval setting inner mould no. 1 and outer mould no. 1, the retaining wall no. 2 pouring form includes interval setting inner mould no. 2 and outer mould no. 2, the both sides of concrete foundation are embedded with the top protruding plant bar, the plant bar is inserted into the bottom of inner mould no. 1, outer mould no. 1, inner mould no. 2 and outer mould no. 2, the fixture includes cross bar and fixture, at least four fixture are movably provided on the cross bar, and at least four fixture on each cross bar are respectively inserted and matched with the top of inner mould no. 1, outer mould no. 1, inner mould no. 2 and outer mould no. 2, the inclined brace is supported on the opposite sides of inner mould no. 1 and outer mould no. 1, and the inclined brace is also supported on the opposite sides of inner mould no. 2 and outer mould no. 2.

[0005] Further, the fixture includes a connecting piece and a fastener provided at the bottom of the connecting piece; the connecting piece is connected with the cross bar, and the fastener is connected with the inner mould no. 1, the outer mould no. 1, the inner mould no. 2 or the outer mould no. 2.

[0006] Further, the connecting piece includes a connecting part one, and the connecting part one is sleeved on the cross bar.

[0007] Further, the connecting part one is an annular integral structure.

[0008] Further, the connecting piece includes a connecting part two, and the connecting part two is a combined pipe clamp structure and is a hoop on the cross bar.

[0009] Further, the connecting piece includes a connecting part three, and the connecting part three is a pipe clamp structure with an open upper end and is clamped on the cross bar.

[0010] Further, the connecting part four, the connecting part group is combined pipe clamp structure, including two semicircular pipe clamp, clamping fixed on the cross bar.

[0011] Further, the top of the inner mold one, the outer mold one, the inner mold two and the outer mold two is provided with a clamping hole, and the fastener comprises a buckle which is clamped with the clamping hole.

[0012] Further, the top of the inner mold one, the outer mold one, the inner mold two and the outer mold two is provided with a through hole; the fastener comprises a screw rod arranged at the bottom of the connecting part and a nut threadedly matched with the screw rod, and the bottom of the screw rod is connected with the nut through the through hole.

[0013] Further, the combined steel mold structure further comprises an end formwork, which is arranged between the first retaining wall pouring formwork and the second retaining wall pouring formwork and located at the end of the first retaining wall pouring formwork and the second retaining wall pouring formwork.

[0014] The beneficial effects of the present application are:

[0015] (1) In the cast-in-place drainage ditch combined steel mold structure, the bottom of the inner mold one and the outer mold one, the inner mold two and the outer mold two is fixed by the embedded steel bar on the concrete foundation, and the top is fixed by the clamping device; the present application changes the existing technology that the inner mold and the outer mold are fixed by the tensioning screw rod, and overcomes the technical problems caused by the use of the tensioning screw rod to fix the formwork.

[0016] (2) The upper end of the inner mold one and the outer mold one, the inner mold two and the outer mold two is fixed by the clamping device, which has high construction speed and avoids drilling holes in the steel mold retaining part and the leakage caused by the drilling holes.

[0017] (3) The connecting part of the clamping part is slidingly connected with the cross bar, the fastener of the clamping part is detachably connected with the corresponding formwork in the combined steel mold, which can adapt to different distances between the inner formwork and the outer formwork, and the clamping part is easy to disassemble.

[0018] (4) The fastener of the clamping part adopts the combination of buckle or screw rod and nut; the connecting part is annular integral structure or pipe clamp structure with open upper end; the clamping part has various forms and can meet the requirements of fixing the inner formwork and the outer formwork.

[0019] (5) The position and perpendicularity of the corresponding steel mold are adjusted by adjusting the position of the clamping part on the cross bar, so as to ensure that the position of the drainage ditch combined steel mold is accurate and the perpendicularity meets the design requirements. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a cast-in-place drainage ditch combined steel mold structure schematic diagram;

[0021] Figure 2 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example One Figure 1 ;

[0022] Figure 3 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example One Figure 2 ;

[0023] Figure 4 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example One Figure 3 ;

[0024] Figure 5 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example Two Figure 1 ;

[0025] Figure 6 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example Two Figure 2 ;

[0026] Figure 7 Schematic diagram of the cast-in-place drainage ditch combined steel form structure on the reinforced concrete foundation;

[0027] Figure 8 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example Three

[0028] Figure 9 Schematic diagram of the clamping device in the combined steel form structure of the cast-in-place drainage ditch of Example Four

[0029] Explanation of reference signs:

[0030] 1-concrete foundation, 11-reinforced bar

[0031] 2-outer form one, 3-inner form one, 4-inner form two, 5-outer form two, 6-cross bar

[0032] 7-clamping part, 71-connection part, 711-connection part one, 721-buckle, 712-connection part two, 722-screw, 723-nut, 713-connection part three, 714-connection part four

[0033] 8-end formwork, 9-steel pipe inclined strut DETAILED DESCRIPTION

[0034] The utility model will be described in further detail below in combination with the drawings and specific examples.

[0035] Example 1

[0036] The following will be described in combination with Figures 1-4The cast-in-place drainage ditch combined steel formwork structure of one of the cast-in-place drainage ditch combined steel formwork structures in Example 1, the drainage ditch comprises a concrete foundation 1 and two side retaining walls 1 and 2, the combined steel formwork structure comprises a retaining wall 1 pouring formwork for constructing the retaining wall 1 and a retaining wall 2 pouring formwork for constructing the retaining wall 2, and the combined steel formwork structure further comprises a detent, an inclined strut and an end formwork 8, wherein the inclined strut adopts a steel pipe structure, also known as a steel pipe inclined strut 9.

[0037] The retaining wall 1 pouring formwork comprises an inner form 1 3 and an outer form 1 2, and the retaining wall 2 pouring formwork comprises an inner form 2 4 and an outer form 2 5; before pouring concrete, the bottom ends of the inner form 1 3 and the outer form 1 2, the inner form 2 4 and the outer form 2 5 are fixed by the anchor bars 1 1 on the concrete foundation 1, the upper ends are fixed by the detent, the inner sides of the inner form 1 3 and the inner form 2 4 are fixed by the steel pipe inclined strut 9, and the outer sides of the outer form 1 2 and the outer form 2 5 are fixed by the steel pipe inclined strut 9.

[0038] As shown in Figure 1 and Figure 2 , the detent comprises a crossbar 6 and a plurality of detent pieces 7, the crossbar 6 is arranged on the upper ends of the inner form 1 3 and the outer form 1 2, the inner form 2 4 and the outer form 2 5, and the crossbar 6 is perpendicular to the inner form 1 3; the upper part of the plurality of detent pieces 7 is a connecting part 1 71, the connecting part 1 71 is in sliding connection with the crossbar 6, and the lower part of the detent piece 7 is in clamping connection with the corresponding formwork in the combined steel formwork.

[0039] As shown in Figures 2-4 , the lower part of the detent piece 7 is a clasp 7 21, the upper ends of the inner form 1 3 and the outer form 1 2, the inner form 2 4 and the outer form 2 5 are provided with clamping holes, and the clasp 7 21 is in clamping connection with the clamping holes.

[0040] As shown in Figures 2-4 , the connecting part 1 71 is in an annular one-piece structure.

[0041] The crossbar 6 is a solid bar.

[0042] The end formwork 8 is arranged at the end of the inner form 1 3 and the outer form 1 2, the inner form 2 4 and the outer form 2 5 which is parallel to the length direction of the drainage ditch.

[0043] The construction method of the cast-in-place drainage ditch combined steel formwork of the present embodiment comprises the following steps:

[0044] Step 1: positioning and setting out, according to the drainage ditch design drawing, positioning the wall body positions of the retaining wall 1 and the retaining wall 2 of the drainage ditch on the top surface of the concrete foundation 1, and drawing the ink line;

[0045] Step 2: as shown in Figure 7 , planting the anchor bars 1 1 on the top surface of the drainage ditch concrete foundation 1;

[0046] Step three: template installation, using the embedded bar 11 in the concrete foundation 1, the inner mold one 3 and the outer mold one 2, the inner mold two 4 and the outer mold two 5 are installed vertically, and are temporarily supported by steel pipes. After the inner mold one 3 and the outer mold one 2, the inner mold two 4 and the outer mold two 5 of the same section of the water channel are initially installed, the upper end of the inner mold one 3 and the outer mold one 2, the inner mold two 4 and the outer mold two 5 are fixed by the clamping device, and the combined steel mold of the section of the water channel is initially fixed by the steel pipe.

[0047] Step four: complete the installation of the entire drainage ditch combined steel mold, adjust the position of the clamping part 7 on the cross bar 6 to adjust the position and verticality of the corresponding steel mold, ensure the accurate position and verticality of the drainage ditch combined steel mold, and finally fix it with the steel pipe diagonal brace 9.

[0048] The inner side of the end template 8 is in contact with the length direction end of the inner mold one 3 and the outer mold one 2, the inner mold two 4 and the outer mold two 5, the bottom end of the end template 8 is fixed by the embedded bar 11 on the concrete foundation 1, and the outer side of the end template 8 is fixed by the steel pipe diagonal brace 9.

[0049] Example 2

[0050] As shown in Figure 5 and Figure 6 , the structure of this embodiment is basically the same as that of example 1, the difference is that the upper part of the clamping part 7 is a connecting part two 712 (combined pipe clamp structure), the lower part of the clamping part 7 is a screw rod 722 and a nut 723, the upper end of the inner mold one 3 and the outer mold one 2, the inner mold two 4 and the outer mold two 5 is provided with a through hole, and the screw rod 722 passes through the through hole and the nut 723 is tightened from the lower part of the screw rod 722. After adjusting the position of the clamping part 7 on the cross bar 6, the clamping part 7 can be fixed on the cross bar 6 through the connecting part two 712.

[0051] Example 3

[0052] As shown in Figure 8 , the structure of this embodiment is basically the same as that of example 1, the difference is that the upper part of the clamping part 7 is a connecting part three 713, and the connecting part three 713 is an open pipe clamp at the upper end; the cross bar 6 is a straight pipe.

[0053] Example 4

[0054] As shown in Figure 9 , the structure of this embodiment is basically the same as that of example 1, the difference is that the upper part of the clamping part 7 is a connecting part four 714, and the connecting part four 714 is also a combined pipe clamp, which includes two semicircular pipe clamps. After adjusting the position of the clamping part 7 on the cross bar 6, the clamping part 7 can be fixed on the cross bar 6 through the connecting part four 714.

[0055] The above are only preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application are also considered to be within the protection scope of the present application.

Claims

1. A cast-in-place gutter assembly steel form structure, characterized by, The drainage ditch comprises a concrete foundation and retaining walls one and two arranged on both sides of the concrete foundation; the combined steel formwork structure comprises a retaining wall one pouring formwork, a retaining wall two pouring formwork, a clamping device and a diagonal brace; the retaining wall one pouring formwork comprises an inner form one and an outer form one arranged at intervals; the retaining wall two pouring formwork comprises an inner form two and an outer form two arranged at intervals; the concrete foundation is provided with embedded reinforcing bars protruding from the top on both sides; the reinforcing bars are inserted into the bottom of the inner form one, the outer form one, the inner form two and the outer form two; the clamping device comprises a crossbar and a clamping piece; at least four clamping pieces are movably arranged on the crossbar; the at least four clamping pieces on each crossbar are respectively inserted into the top of the inner form one, the outer form one, the inner form two and the outer form two; the diagonal brace is supported on the opposite sides of the inner form one and the outer form one, and is also supported on the opposite sides of the inner form two and the outer form two.

2. A cast-in-place gutter composite steel form structure according to claim 1, characterized in that, The clamping piece comprises a connecting piece and a fastener arranged at the bottom of the connecting piece; the connecting piece is connected with the crossbar, and the fastener is connected with the inner form one, the outer form one, the inner form two or the outer form two.

3. A cast-in-place gutter composite steel form structure according to claim 2, characterized in that, The connecting piece comprises a connecting part one, which is sleeved on the crossbar.

4. A cast-in-place gutter composite steel form structure according to claim 3, characterized in that, The connecting part one is an annular one-piece structure.

5. A cast-in-place gutter composite steel form structure according to claim 2, wherein The connecting piece comprises a connecting part two, which is a combined pipe clamp structure and is clamped on the crossbar.

6. A cast-in-place gutter composite steel form structure according to claim 2, wherein The connecting piece comprises a connecting part three, which is a pipe clamp structure with an open upper end and is clamped on the crossbar.

7. A cast-in-place gutter composite steel form structure according to claim 2, wherein The connecting piece comprises a connecting part four, which is a combined pipe clamp structure and comprises two semicircular pipe clamps clamped on the crossbar.

8. The cast-in-place gutter combined steel form structure according to claim 2, characterized in that, The top of the inner form one, the outer form one, the inner form two and the outer form two is provided with a clamping hole, and the fastener comprises a buckle clamped with the clamping hole.

9. The cast-in-place gutter combined steel form structure according to claim 2, characterized in that, The top of the inner form one, the outer form one, the inner form two and the outer form two is provided with a through hole; the fastener comprises a screw rod arranged at the bottom of the connecting piece and a nut threadedly connected with the screw rod, and the bottom of the screw rod is connected with the nut through the through hole.

10. A cast-in-place gutter composite steel form structure according to any one of claims 1-9, characterized in that, The combined steel formwork structure further comprises an end formwork arranged between the retaining wall one pouring formwork and the retaining wall two pouring formwork and located at the end of the retaining wall one pouring formwork and the retaining wall two pouring formwork.

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