Fabricated quick-disassembly steel bar truss floor support plate

Abstract

The utility model provides an assembly type quick-disassembly steel bar truss floor support plate which comprises a truss, the truss is provided with an upper chord steel bar and a lower chord steel bar, a web member steel bar is arranged between the upper chord steel bar and the lower chord steel bar, a formwork is arranged at the bottom of the web member steel bar, U-shaped buckles are evenly arranged on the lower chord steel bar, and a connecting column is fixedly arranged at the bottom of one end of each U-shaped buckle. The connecting columns penetrate through the formwork, the outer sides of the connecting columns below the formwork are sleeved with supporting cylinders, and the two corresponding supporting cylinders on the two sides of the truss are detachably and fixedly connected with the connecting columns through quick-dismounting locking mechanisms; inserting holes are formed in one side of the supporting cylinder and one side of the connecting column in a penetrating mode in the radial direction; the quick-dismounting locking mechanism is provided with a sliding barrel, sliding rods are arranged in the two ends of the sliding barrel in a sliding mode, and inserting plates matched with the inserting holes are arranged at the ends of the sliding rods; after a floor slab is poured and formed, the two inserting plates are pulled synchronously, the inserting plates are pulled out from the interiors of the inserting holes, then the supporting cylinders can be rapidly detached from the connecting columns, and the formwork detaching efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the floor support plate technical field, concretely relates to an assembly type quick disassembly steel bar truss floor support plate. BACKGROUND

[0002] The traditional steel bar truss floor support plate is welded and fixed between the steel bar truss and the galvanized formwork, and the welding point usually has high strength, when the galvanized formwork is removed after pouring and forming, a large pulling force is needed to disconnect the welding point, which easily causes the deformation of the web steel bar and the galvanized formwork, and affects the quality of the formed concrete floor and the reuse of the galvanized formwork.

[0003] The Chinese patent application document with the application publication number CN109518941A discloses a kind of assembly type steel bar truss floor support plate detachable buckle type connecting device and construction method, and specifically discloses the structure of connecting between steel bar truss and bottom formwork by bolt and buckle cooperation;This connection mode needs to remove bolt when removing, and the removal of bolt needs to consume more time, which affects the removal efficiency.

[0004] Therefore, it is necessary to design an assembly type quick disassembly steel bar truss floor support plate that is beneficial to improve the formwork removal efficiency to solve the technical problems faced at present. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model provides an assembly type quick disassembly steel bar truss floor support plate that is beneficial to improve the formwork removal efficiency.

[0006] The technical scheme of the utility model is as follows: an assembly type quick disassembly steel bar truss floor support plate, comprising a truss, the truss has top chord steel bars and bottom chord steel bars, web steel bars are arranged between the top chord steel bars and the bottom chord steel bars, a formwork is arranged at the bottom of the web steel bars, U-shaped buckles are uniformly arranged on the bottom chord steel bars, a connecting column is fixedly arranged at one end of the U-shaped buckle, the connecting column penetrates the formwork, a supporting cylinder is sleeved on the outer side of the connecting column below the formwork, and the two supporting cylinders corresponding to the connecting column on the two sides of the truss are detachably fixedly connected through quick disassembly locking mechanisms.

[0007] Insertion holes are formed in the radial direction of the supporting cylinder and one side of the connecting column.

[0008] The quick disassembly locking mechanism has a sliding cylinder, sliding rods are slidably arranged in the two ends of the sliding cylinder, and insertion plates matched with the insertion holes are arranged at the ends of the sliding rods.

[0009] A pulling seat is arranged below the sliding cylinder, two pulling rods are symmetrically arranged at the top of the pulling seat, one end of the pulling rod is hingedly connected with the pulling seat, and the other end of the pulling rod is hingedly connected with the end of the insertion plate close to the bottom of the sliding cylinder.

[0010] The pull hole is arranged on the pull seat.

[0011] The spring is sleeved outside the sliding rod, one end of the spring abuts against the end of the plug plate, and the other end of the spring abuts against the end of the sliding cylinder.

[0012] The top end of the support cylinder is provided with a tray which is an integral structure with the support cylinder.

[0013] The blocking column is fixedly arranged between the U-shaped buckle and the connecting column, and the bottom of the blocking column is fixedly provided with a sealing washer.

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

[0015] (1) In the present application, the support cylinder is sleeved at the end of the connecting column below the formwork, the plug plate in the quick-release locking mechanism is inserted into the insertion hole of the support cylinder and the connecting column, the support cylinder and the connecting column are locked, and the U-shaped buckle at the upper end of the connecting column fixes and connects the lower chord steel bars of the truss and the formwork;

[0016] (2) After the floor is completed and formed, the two plug plates are pulled synchronously, the sliding rod slides to the inside of the sliding cylinder, the plug plate is pulled out from the inside of the insertion hole, and the support cylinder can be quickly dismounted from the connecting column, which is beneficial to improve the formwork dismounting efficiency;

[0017] (3) The quick-release locking mechanism and the support cylinder can be recycled. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the assembled quick-release steel truss floor support plate in the present application.

[0019] Fig. 2 It is a structural schematic view of the quick-release locking mechanism in the present application.

[0020] Fig. 3 It is a structural schematic view of the support cylinder in the present application. DETAILED DESCRIPTION

[0021] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative in nature and is in no way intended to limit the application, its application, or its uses, except as provided by the appended claims. The application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the application to those skilled in the art. It should be noted that the relative arrangement of components and steps, the components of materials, numerical expressions, and numerical values set forth in these embodiments are to be interpreted as merely exemplary, rather than as a limitation, unless otherwise specifically stated.

[0022] The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different parts. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] As shown in Figs. 1 to 3 , a prefabricated quick-release steel bar truss floor support plate is disclosed, which comprises a truss, the truss has upper chord steel bars 2 and lower chord steel bars 3, web steel bars 1 are arranged between the upper chord steel bars 2 and the lower chord steel bars 3, the bottom of the web steel bars 1 is provided with a formwork 5, U-shaped buckles 4 are uniformly arranged on the lower chord steel bars 3, one end of the U-shaped buckle 4 is fixedly provided with a connecting column 9, the connecting column 9 penetrates through the formwork 5, a support cylinder 9 is sleeved on the outer side of the connecting column below the formwork 5, and the two support cylinders 9 corresponding to the two sides of the truss are detachably and fixedly connected with the connecting column 6 through a quick-release locking mechanism 8. The plug hole 91 is arranged in the radial direction of the support cylinder 9 and the connecting column 6; the quick-release locking mechanism 8 has a sliding cylinder 81, sliding rods 83 are slidably arranged in the two ends of the sliding cylinder 81, and the end of the sliding rod 83 is provided with a plug plate 82 matched with the plug hole 91. In the embodiment, the support cylinder 9 is sleeved on the end of the connecting column 6 below the formwork 5, the plug plate 82 in the quick-release locking mechanism 8 is inserted into the plug hole 91 of the support cylinder 9 and the connecting column 6, the support cylinder 9 and the connecting column 6 are locked, and the U-shaped buckle 4 at the upper end of the connecting column 6 is used for fixedly connecting the lower chord steel bars 3 of the truss and the formwork 5. After the floor is poured and formed, the two plug plates 82 are pulled synchronously, the sliding rod 83 slides to the inside of the sliding cylinder 81, the plug plate 82 is pulled out from the inside of the plug hole 91, and the support cylinder 9 can be quickly removed from the connecting column 6, so that the formwork removal efficiency is improved. The quick-release locking mechanism 8 and the support cylinder 9 can be recycled.

[0024] In some embodiments, as shown in Fig. 2 , a pulling seat 85 is arranged below the sliding cylinder 81, two pulling rods 56 are symmetrically arranged on the top of the pulling seat 85, one end of the pulling rod 56 is hinged to the pulling seat 85, and the other end of the pulling rod 56 is hinged to the end bottom of the plug plate 82 close to the sliding cylinder 81. When the quick-release locking mechanism 8 is disassembled, the pulling seat 85 is pulled down, the pulling seat 85 drives one end of the two pulling rods 56 to move downward, the other end of the two pulling rods 56 drives the plug plate 82 to be pulled out of the plug hole 91, the support cylinder 9 and the connecting column 6 can be quickly unlocked, and the formwork 5 removal efficiency is improved.

[0025] In some embodiments, in order to facilitate pulling down the pulling seat 85, a pulling hole 851 is arranged on the pulling seat 85.

[0026] In some embodiments, the slide rod 83 is sleeved with a spring 84 on the outside, one end of the spring 84 abuts against the end of the plug plate 82, and the other end of the spring 84 abuts against the end of the slide cylinder 81; the elastic force of the spring 84 acts between the plug plate 82 and the slide cylinder 81, and the elastic force of the spring 84 is used to keep the two plug plates 82 inserted into the inside of the plug hole 91 when installed, so as to avoid disengagement when not removed and affect the stability of the connection.

[0027] In some embodiments, the top end of the support cylinder 9 is provided with a tray 92 which is an integral structure with the support cylinder 9, and the contact area between the top end of the support cylinder 9 and the template 5 is increased by the tray 92, and the stress is dispersed.

[0028] In some embodiments, the U-shaped buckle 4 and the connecting column 6 are fixedly provided with a blocking column 7, the bottom of the blocking column 7 is fixedly provided with a sealing gasket 71, the sealing gasket 71 abuts against the top of the template 5 when the connecting column 6 penetrates the template 5, and the sealing gasket 71 plays a sealing and limiting role, the lower end of the blocking column 7 supports the sealing gasket 71, and the upper end of the blocking column 7 is transitionally connected with the U-shaped buckle 4 to form an integral structure.

[0029] In some embodiments, the template 5 is a Q235 steel template, the thickness of the template 5 is 0.5 mm, and both sides of the template 5 are provided with a galvanized coating.

[0030] So far, the embodiments of the utility model have been described in detail. In order to avoid shielding the concept of the utility model, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0031] The above-described embodiments only express some implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A prefabricated, quick-release steel truss floor deck, comprising a truss, the truss having upper chord reinforcement and lower chord reinforcement, web reinforcement provided between the upper chord reinforcement and the lower chord reinforcement, and a template provided at the bottom of the web reinforcement, characterized in that: U-shaped buckles are evenly arranged on the lower chord steel bars. A connecting column is fixedly installed at the bottom of one end of the U-shaped buckle. The connecting column passes through the template. A support cylinder is fitted on the outside of the connecting column below the template. The two corresponding support cylinders on both sides of the truss are detachably and fixedly connected to the connecting column through a quick-release locking mechanism. Both the support cylinder and the connecting column have insertion holes extending radially through one side. The quick-release locking mechanism has a slide cylinder, and slide rods are slidably arranged inside both ends of the slide cylinder. The ends of the slide rods are provided with insert plates that match the insertion holes.

2. The prefabricated quick-dismantling steel truss floor slab according to claim 1, characterized in that: A pull base is provided below the slide cylinder, and two pull rods are symmetrically arranged on the top of the pull base. One end of the pull rod is hinged to the pull base, and the other end of the pull rod is hinged to the bottom of the insert plate near the slide cylinder.

3. The prefabricated quick-dismantling steel truss floor slab according to claim 2, characterized in that: The pull seat has a pull hole.

4. The prefabricated quick-dismantling steel truss floor slab according to claim 1, characterized in that: A spring is fitted on the outside of the slide rod, with one end of the spring abutting against the end of the insert plate and the other end of the spring abutting against the end of the slide cylinder.

5. The prefabricated quick-dismantling steel truss floor slab according to claim 1, characterized in that: The top of the support cylinder is provided with a tray that is integral with it.

6. The prefabricated quick-dismantling steel truss floor slab according to claim 1, characterized in that: A stop post is fixedly installed between the U-shaped buckle and the connecting post, and a sealing gasket is fixedly installed at the bottom of the stop post.

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