Prefabricated slab framework mechanism for drainage construction

By designing support components and angle steel grate structures, the problem of easy damage to the precast slab skeleton structure when supporting the drainage channel was solved, thereby improving structural strength and construction quality and preventing water seepage and blockage by impurities.

CN223446308UActive Publication Date: 2025-10-17WUHAN MUNICIPAL ROAD & BRIDGE CO LTD
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Patent Information

Application Number
CN202423015161.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-08
Publication Date
2025-10-17
Estimated Expiration
2034-12-08

AI Technical Summary

Technical Problem

In existing drainage construction, the prefabricated plate skeleton structure is easily damaged due to excessive pressure when supporting the drainage trough, which affects the construction quality.

Method used

A precast slab skeleton mechanism was designed, comprising templates, angle steel, water grates, and support components. The support slab is moved by a rotating rod and bevel gear mechanism in the support components, which enhances the structural strength. The angle steel and water grates prevent concrete cracking and impurity accumulation.

Benefits of technology

It improves the structural strength and stability of the precast slab frame structure, prevents damage caused by concrete pressure, ensures construction quality, and prevents water seepage and blockage by impurities.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223446308U_ABST
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Abstract

The utility model relates to the field of drainage construction, in particular to a prefabricated slab framework mechanism for drainage construction. The device comprises a template, angle steel, a water grate and a supporting assembly, the template is positioned in the drainage groove, and the die orifice is opposite to the notch; multiple groups of angle steel are arranged along two sides of a die orifice of the template; the water grate covers the die orifice of the template through the angle steel; the multiple sets of supporting assemblies are arranged in the formwork in the drainage direction. The supporting assemblies are arranged, the positions of the left side and the right side of the formwork are supported through rotation of the rotating rods and simultaneous outward movement of the supporting plates, the structural strength of the device is improved, the situation that when concrete is poured, the framework mechanism is broken due to the fact that the pressure of the concrete is too large is avoided, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drainage construction, especially a prefabricated slab framework mechanism for drainage construction. BACKGROUND

[0002] The prefabricated slab framework mechanism is an important tool for drainage construction, and its main function is to support and fix the prefabricated slab to ensure its stability and safety during the construction process. The prefabricated slab framework mechanism is usually made of steel or other solid materials and has certain load-bearing capacity and wind pressure resistance.

[0003] The existing drainage construction scheme needs to use the prefabricated slab framework mechanism for support when pouring the drainage channel to assist the formation of the channel body. Since the drainage channel has a certain depth, the pressure on the left and right sides of the prefabricated slab framework mechanism is too large, which can easily cause damage to the prefabricated slab and affect the quality of the drainage construction. SUMMARY

[0004] To solve the problems in the background art, a prefabricated slab framework mechanism for drainage construction is proposed. The utility model sets up a support assembly, which moves outward by rotating the rotating rod, supports the left and right sides of the formwork, improves the structural strength of the device, avoids the collapse of the framework mechanism caused by excessive pressure of the poured concrete, and improves the practicality of the device.

[0005] The utility model provides a prefabricated slab framework mechanism for drainage construction, which comprises a formwork, angle steel, a water grate and a support assembly. The formwork is located in the drainage channel, and the mold opening is opposite to the channel opening. Multiple groups of angle steel are arranged along the two sides of the mold opening of the formwork. The water grate is covered on the mold opening of the formwork through the angle steel. Multiple groups of support assemblies are arranged in the formwork along the drainage direction.

[0006] The support assembly comprises a hollow adjusting sleeve. A bidirectional threaded rod is rotatably arranged in the adjusting sleeve, and the two ends of the bidirectional threaded rod are threadedly connected with support frames, respectively. A rotating rod is rotatably arranged on the adjusting sleeve, and the bottom end of the rotating rod is key-connected with a first bevel gear. A second bevel gear is key-connected to the middle part of the bidirectional threaded rod and is meshed with the first bevel gear. A support plate is arranged on the side of the support frame facing the inner wall of the formwork.

[0007] Preferably, a chuck is arranged on the adjusting sleeve for the rotating rod to penetrate. A circle of clamping holes is arranged on the chuck along the outer periphery of the rotating rod. A positioning groove is arranged on the adjusting sleeve and matched with the clamping hole. A clamping rod penetrates the clamping hole and is clamped with the corresponding positioning groove by pulling and inserting.

[0008] Preferably, a limiting groove is arranged on the inner wall of the adjusting sleeve. A limiting block is arranged on the support frame. The limiting block is slidingly connected with the groove wall of the limiting groove.

[0009] Preferably, an antiskid pad is arranged on the outer side of the support plate.

[0010] Preferably, the inner wall of the bottom of the template is provided with an inclined slope.

[0011] Preferably, the inner wall of the template is sequentially provided with a bonding layer and an anti-fouling layer.

[0012] Preferably, the angle steel is provided with two groups, the right angles of which are opposite and respectively clamped with the two side edges of the water grate.

[0013] Preferably, the angle steel is provided with four groups, two groups of which are on the lower layer and the right angle edges of which are bonded with the two side edges of the water grate, and the other two groups of which are on the upper layer and the right angle edges of which are bonded with the two side walls of the water grate; the two groups of angle steels on the same side form a stepped structure.

[0014] Compared with the prior art, the utility model has the beneficial technical effects that:

[0015] I. The angle steel is installed on the upper end of the template, which can prevent concrete cracking and prevent water seepage in the later period, the water grate is placed on the welded angle steel after pouring, and the effect of simple and convenient setting of the drainage port is realized, which can play a role in skeleton prefabrication installation and facilitate the work of the staff.

[0016] II. The template is provided with an inclined slope, a bonding layer and an anti-fouling layer, which can effectively prevent impurities brought by water flow from adhering to the surface, and can also avoid the accumulation of impurities and garbage in the drainage channel to cause blockage;

[0017] III. The supporting assembly is provided, the rotating rod is rotated, the rotating of the rotating rod drives the first bevel gear to rotate, the rotating of the first bevel gear drives the second bevel gear meshing therewith to rotate, the rotating of the second bevel gear drives the bidirectional threaded rod to rotate, and with the rotating of the bidirectional threaded rod, the supporting plate is limited by the limiting block and the limiting groove, and at the same time, moves outward, supporting the positions of the left and right sides of the template, improving the structural strength of the device, avoiding the collapse of the skeleton mechanism due to excessive pressure of the poured concrete, and improving the practicability of the device.

[0018] IV. The clamping rod is clamped in the clamping hole of the chuck, and the clamping rod is clamped on the adjusting block, so that the rotating rod can be limited to avoid reverse rotation, and the anti-skid pad on the outer side of the supporting plate can improve the friction between the supporting plate and the template, and improve the stability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the prefabricated plate skeleton mechanism for drainage construction in embodiment one.

[0020] Figure 2 It is a structural schematic view of the prefabricated plate skeleton mechanism for drainage construction in embodiment two.

[0021] Figure 3 It is a plan view of the prefabricated plate skeleton mechanism for drainage construction after removing the water grate.

[0022] Figure 4 It is a sectional view of the support assembly in the utility model;

[0023] Figure 5 It is a structural schematic view of the chuck in the utility model;

[0024] Figure 6 It is a structural schematic view of the bidirectional threaded rod in the utility model;

[0025] Figure 7 It is a sectional view of the adjusting sleeve in the utility model.

[0026] The drawing mark: 1, drainage groove; 2, L-shaped steel bar; 3, vertical steel bar; 4, angle steel; 5, inclined steel bar; 6, formwork; 7, water grate; 8, adhesion layer; 9, antifouling layer; 10, inclined slope; 11, adjusting sleeve; 12, rotating rod; 13, chuck; 14, clamping rod; 15, first bevel gear; 16, second bevel gear; 17, bidirectional threaded rod; 18, support plate; 19, limiting block; 20, limiting groove; 21, support frame. DETAILED DESCRIPTION

[0027] Example one

[0028] As Figure 1 and Figures 3-7 shown, the utility model proposes a kind of precast slab skeleton mechanism for drainage construction, including formwork 6, angle steel 4, water grate 7 and support assembly;Formwork 6 is located in drainage groove 1, and die mouth is opposite with slot mouth, when assisting concrete pouring, the forming of drainage groove 1;Angle steel 4 is set up multiple groups along the die mouth both sides of formwork 6, can prevent concrete cracking, prevent later water seepage;Water grate 7 is covered on the die mouth of formwork 6 by angle steel 4, so as to achieve the effect of simple and convenient setting drain port, can play the effect of skeleton prefabricated installation, facilitate the work of staff;Support assembly is set up multiple groups in formwork 6 along drainage direction.

[0029] Support assembly includes hollow adjusting sleeve 11;Bidirectional threaded rod 17 rotationally arranged in adjusting sleeve 11, and two ends are respectively threadedly connected support frame 21;Rotating rod 12 rotationally arranged on adjusting sleeve 11, and bottom end is keyed to first bevel gear 15;Second bevel gear 16 is keyed to the middle part of bidirectional threaded rod 17, and is meshedly connected with first bevel gear 15;Support frame 21 is provided with support plate 18 on the side towards the inner wall of formwork 6.

[0030] It needs to be further explained that chuck 13 is provided on adjusting sleeve 11 for rotating rod 12 to rotate and penetrate;A circle of clamping holes is arranged on chuck 13 along the outer periphery of rotating rod 12;Positioning groove matched with clamping hole is arranged on adjusting sleeve 11;Clamping rod 14 penetrates clamping hole and is clamped with corresponding positioning groove by pulling and inserting.

[0031] When the rotating rod 12 stops rotating, the clamping rod 14 is clamped on the positioning groove by being embedded in the clamping hole formed on the surface of the chuck 13, so that the rotating rod 12 can be limited to avoid reverse rotation.

[0032] It should be further explained that the inner wall of the adjusting sleeve 11 is provided with a limiting groove 20; the supporting frame 21 is provided with a limiting block 19; and the limiting block 19 is slidingly connected to the groove wall of the limiting groove 20.

[0033] The movement track of the supporting frame 21 is limited by the limiting groove 20, so as to ensure smooth and stable movement.

[0034] It should be further explained that the outer side of the supporting plate 18 is provided with an antiskid pad.

[0035] The antiskid pad is arranged to make the contact with the formwork 6 more stable and ensure the supporting effect.

[0036] It should be further explained that the bottom inner wall of the formwork 6 is provided with an inclined slope 10; when draining, it is not easy to accumulate impurities; even if impurities and garbage are accumulated in the formwork 6, the staff can conveniently clean them up.

[0037] It should be further explained that the inner wall of the formwork 6 is sequentially provided with a bonding layer 8 and a stain-proof layer 9; the stain-proof layer 9 is fixed to the inner wall of the formwork 6 through the bonding layer 8; by the principle of hydrophobic, the impurities adhered to the surface by water flow are prevented, the stain-proof function of the drainage channel is realized, the situation that impurities and garbage are accumulated in the drainage channel is avoided, and the problem of blockage caused by excessive garbage and impurities accumulated in the drainage channel is prevented.

[0038] It should be further explained that the angle steel 4 is arranged in two groups, the two groups are opposite to each other at right angles, and the two groups are respectively clamped on the two side edges of the water grate 7; when pouring concrete, the vertical steel bars 3 and the inclined steel bars 5 are alternately arranged to fix the angle steel 4.

[0039] Embodiment two

[0040] As shown in Figures 2-7 The utility model discloses a prefabricated slab skeleton mechanism for drainage construction, which comprises a formwork 6, an angle steel 4, a water grate 7 and a supporting assembly. The formwork 6 is located in a drainage groove 1, and a mold opening is opposite to a groove opening. The drainage groove 1 is formed when assisting concrete pouring. The angle steel 4 is arranged in multiple groups along the two sides of the mold opening of the formwork 6, which can prevent concrete from cracking and prevent water seepage in the later period. The water grate 7 is covered on the mold opening of the formwork 6 through the angle steel 4, which can realize the effect of simply and conveniently setting a drainage port and serve as a skeleton prefabricated installation, which is convenient for the work of the staff. The supporting assembly is arranged in multiple groups in the formwork 6 along the drainage direction.

[0041] The support assembly comprises a hollow adjusting sleeve 11; a two-way threaded rod 17 is rotationally arranged in the adjusting sleeve 11, and two ends thereof are threadedly connected with support frames 21 respectively; a rotating rod 12 is rotationally arranged on the adjusting sleeve 11, and a bottom end thereof is key-connected with a first bevel gear 15; a second bevel gear 16 is key-connected in the middle of the two-way threaded rod 17, and is meshingly connected with the first bevel gear 15; and a support plate 18 is arranged on one side of the support frame 21 facing the inner wall of the template 6.

[0042] It needs to be further explained that the adjusting sleeve 11 is provided with a chuck 13 for the rotating rod 12 to rotate through; a circle of clamping holes is arranged on the chuck 13 along the outer periphery of the rotating rod 12; the adjusting sleeve 11 is provided with a positioning groove matched with the clamping hole; and a clamping rod 14 is inserted through the clamping hole and is clamped with the corresponding positioning groove.

[0043] When the rotating rod 12 stops rotating, the clamping rod 14 is inserted into the clamping hole arranged on the surface of the chuck 13, and the clamping rod 14 is clamped on the positioning groove, so that the rotating rod 12 can be limited to avoid reverse rotation.

[0044] It needs to be further explained that the inner wall of the adjusting sleeve 11 is provided with a limiting groove 20; the support frame 21 is provided with a limiting block 19; and the limiting block 19 is slidingly connected with the groove wall of the limiting groove 20.

[0045] The movement track of the support frame 21 is limited by the limiting groove 20, so that the movement is smooth and stable.

[0046] It needs to be further explained that the outer side of the support plate 18 is provided with an anti-skid pad.

[0047] The anti-skid pad is arranged to make the contact with the template 6 more stable, so that the supporting effect is guaranteed.

[0048] It needs to be further explained that the bottom inner wall of the template 6 is provided with an inclined slope 10. When draining, it is not easy to accumulate impurities, and even if impurities and garbage are accumulated in the template 6, the staff can conveniently clean them up.

[0049] It needs to be further explained that the inner wall of the template 6 is sequentially provided with a bonding layer 8 and a stain-proof layer 9; the stain-proof layer 9 is fixed on the inner wall of the template 6 through the bonding layer 8; through the principle of hydrophobic, the impurities adhered to the surface by the water flow are prevented, the stain-proof function of the arranged drainage channel is realized, the situation that the impurities and garbage are accumulated in the drainage channel is avoided, and the problem that the drainage channel is blocked due to the accumulation of too much garbage and impurities in the drainage channel is prevented.

[0050] It needs to be further explained that the angle steel 4 is arranged in four groups, two groups are arranged on the lower layer, and the right-angle edges are bonded with the two bottom edges of the water grate 7; the other two groups are arranged on the upper layer, and the right-angle edges are bonded with the two side walls of the water grate 7; the two groups of angle steels 4 on the same side form a ladder structure; and the bent angle of the angle steel 4 is fixed by the L-shaped steel bar 2 when the concrete is poured.

[0051] The working principle of the utility model is as follows: through rotating the rotating rod 12, the rotation of the rotating rod 12 drives the rotation of the first bevel gear 15, the rotation of the second bevel gear 16 engaged with the first bevel gear 15, the rotation of the second bevel gear 16 drives the rotation of the bidirectional threaded rod 17, and along with the rotation of the bidirectional threaded rod 17, the support frame 21 connected with the surface thread moves outward at the same time. The support plate 18 supports the positions of the left and right sides of the template 6, improves the structural strength of the device, avoids the collapse of the framework mechanism caused by the excessive pressure of the concrete during the pouring of the concrete, and improves the practicability of the device.

[0052] The above has made the detailed description of the embodiment of the utility model in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the skilled person in the technical field without departing from the purpose of the utility model.

Claims

1. A prefabricated plate skeleton structure for drainage construction, characterized in that: include; The template (6) is located in the drainage groove (1), and the die opening is opposite to the groove opening; Angle steel (4), multiple groups of angle steel (4) are arranged along both sides of the die opening of the template (6); A water grate (7), which is covered on the die opening of the template (6) through the angle steel (4); and support components, wherein a plurality of support components are arranged in the template (6) along the drainage direction; The support assembly comprises a hollow adjustment sleeve (11); a bidirectional threaded rod (17) rotatably arranged in the adjustment sleeve (11), and the two ends of the rod are respectively threadedly connected to the support frame (21); a rotating rod (12) is rotatably arranged on the adjustment sleeve (11), and the bottom end is keyed to the first bevel gear (15); the second bevel gear (16) is keyed to the middle of the bidirectional threaded rod (17) and is meshed with the first bevel gear (15); a support plate (18) is provided on the side of the support frame (21) facing the inner wall of the template (6).

2. The prefabricated plate skeleton structure for drainage construction according to claim 1 is characterized in that: The adjusting sleeve (11) is provided with a chuck (13) for the rotating rod (12) to rotate and penetrate; a circle of clamping holes is provided on the chuck (13) along the outer periphery of the rotating rod (12); the adjusting sleeve (11) is provided with a positioning groove matching the clamping hole; the clamping rod (14) penetrates the clamping hole by plugging and unplugging and is engaged with the corresponding positioning groove.

3. The prefabricated plate skeleton structure for drainage construction according to claim 1 is characterized in that: A limiting groove (20) is provided on the inner wall of the adjusting sleeve (11); a limiting block (19) is provided on the supporting frame (21); and the limiting block (19) is slidably connected to the groove wall of the limiting groove (20).

4. The prefabricated plate skeleton structure for drainage construction according to claim 1 is characterized in that: An anti-slip pad is provided on the outer side of the support plate (18).

5. The prefabricated plate skeleton structure for drainage construction according to claim 1, characterized in that: The bottom inner wall of the template (6) is provided with an inclined slope (10).

6. The prefabricated plate skeleton structure for drainage construction according to claim 1, characterized in that: A bonding layer (8) and an antifouling layer (9) are sequentially arranged on the inner wall of the template (6).

7. The prefabricated plate skeleton structure for drainage construction according to claim 1, characterized in that: Two groups of angle steels (4) are provided, facing each other at right angles, and respectively engage with the two side edges of the water grate (7).

8. The prefabricated plate skeleton structure for drainage construction according to claim 1, characterized in that: Four groups of angle steels (4) are provided, two groups are in the lower layer, and their right angles are fitted to the bottom edges of the water grate (7), and the other two groups are in the upper layer, and their right angles are fitted to the side walls of the water grate (7); the two groups of angle steels (4) on the same side form a stepped structure.