Combined back-jacking supporting device

Abstract

The utility model discloses a combined back-jacking supporting device which comprises a base, wheels are arranged at the lower end of the base, a back-jacking supporting plate is arranged above the base, angle steel is fixedly connected to the upper end of the base, and square pipes are in contact with the angle steel and the base. The square pipe is fixedly connected with a steel angle, the steel angle is provided with an installation mechanism facilitating disassembly of the square pipe, an insertion groove is formed in the square pipe, a plug pin is connected into the insertion groove in a sliding mode, one end of the plug pin is fixedly connected with a limiting ring, a movable rod is connected into the limiting ring in a sliding mode, and the outer side of the movable rod is sleeved with a spring. The movable rod is inserted into the limiting ring fixed to the plug pin through the elastic effect of the spring, installation of the square pipe is completed, convenience and rapidness are achieved, and in this way, the height of the square pipe can be adjusted and replaced according to the needed height of the back-jacking supporting plate in the using process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a supporting device, in particular to a combined back -top supporting device. BACKGROUND

[0002] Among all types of formwork supports, the steel pipe support frame is the most common one, which is a relatively regular truss structure. In the whole frame system, each bar is regularly erected according to certain step distance, vertical and horizontal spacing, and combined with scissors and sweeping rod components. The functions of each component are different, and the main force-bearing bar is the vertical rod, which is connected with horizontal rods and diagonal braces to form a spatial truss structure for common bearing. As a spatial truss structure, the steel pipe support frame is similar to the conventional building form in structure and bearing mode, but not completely the same.

[0003] The composition and structure of the steel pipe support frame determine that the erection process is simple and the bearing capacity is good, but the management in the manufacturing process of the steel pipe support frame structure is not strict, the construction level of workers is different, and long-term repeated use causes initial defects in the steel pipe support frame structure before bearing load. INVENTION CONTENTS

[0004] The utility model discloses a kind of combined back -top supporting devices, and the utility model is installed by inserting plug pin in square tube, and by spring, it is made that moving rod is inserted into the fixed limit ring on plug pin, for square tube installation, this kind of way is convenient and fast, and square tube is connected by strengthening beam to make it become an integral module, and when defect occurs, it is convenient to disassemble and replace it, to solve the problem proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of combined back -top supporting device, including base, the lower end of the base is provided with wheel, the upper of the base is provided with back -top supporting plate, the upper end of the base is fixedly connected with angle steel, the angle steel and the base are contacted with square tube, the angle steel is provided with the installation mechanism of being convenient for square tube disassembly on it;

[0006] The square tube is provided with a slot, the slot is slidably connected with plug pin, one end of the plug pin is fixedly connected with limit ring, the limit ring is slidably connected with moving rod, the outside of the moving rod is provided with spring, the outside of the moving rod is fixedly connected with mounting ring, one end of the moving rod is fixedly connected with pull block, the angle steel is fixedly connected with fixed block

[0007] Preferably, one end of the spring is fixedly connected to the fixed block, and the other end of the spring is fixedly connected to the mounting ring.

[0008] Preferably, the moving rod is slidingly connected in the fixed block, and the lower end of the fixed block is in contact with the pulling block.

[0009] Preferably, the square tube is fixedly connected with a reinforcing beam, and the upper end of the square tube is in contact with a back-up supporting plate, and the back-up supporting plate is provided with a limiting mechanism for preventing loosening during installation.

[0010] Preferably, the limiting mechanism comprises a threaded hole, a bolt, a nut, an annular groove and an elastic clamping block, the upper end of the square tube is provided with the threaded hole, the bolt is threadedly connected in the threaded hole, the upper end of the bolt is fixedly connected with the nut, the nut is provided with the annular groove, and the elastic clamping block is clamped in the annular groove and fixedly connected to the upper end of the back-up supporting plate.

[0011] Preferably, the bolt is movably connected in the back-up supporting plate, and the back-up supporting plate is in contact with the nut.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] By inserting the bolt into the square tube and making the moving rod inserted into the limiting ring fixed on the bolt through the elastic effect of the spring, the installation of the square tube is completed, which is convenient and fast, and the height of the square tube can be adjusted and replaced according to the required height of the back-up supporting plate during use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a structural expanded schematic view of the installation mechanism of the utility model;

[0016] Fig. 3 It is a structural expanded schematic view of the limiting mechanism of the utility model.

[0017] In the drawing: 1, base; 2, wheel; 3, angle steel; 4, square tube; 5, installation mechanism; 51, insertion slot; 52, bolt; 53, limiting ring; 54, moving rod; 55, spring; 56, installation ring; 57, pulling block; 58, fixed block; 6, reinforcing beam; 7, back-up supporting plate; 8, limiting mechanism; 81, threaded hole; 82, bolt; 83, nut; 84, annular groove; 85, elastic clamping block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a combined back supporting device, including base 1, the lower end of base 1 is provided with wheel 2, the upper of base 1 is provided with back supporting plate 7, the upper end of base 1 is fixedly connected with angle steel 3, angle steel 3 and base 1 are all contacted with square tube 4, angle steel 3 is provided with installation mechanism 5 for facilitating the disassembly of square tube 4;

[0020] Square tube 4 is provided with slot 51, slot 51 is slidably connected with bolt 52, one end of bolt 52 is fixedly connected with limit ring 53, limit ring 53 is slidably connected with moving rod 54, the outside of moving rod 54 is provided with spring 55, the outside of moving rod 54 is fixedly connected with mounting ring 56, one end of moving rod 54 is fixedly connected with pull block 57, angle steel 3 is fixedly connected with fixed block 58.

[0021] The utility model is through setting above installation mechanism 5 each component cooperation uses, when disassembling square tube 4, by pulling pull block 57 to make that its fixed moving rod 54 moves and slides out the limit ring 53 fixed on bolt 52, at this time, moving bolt 52 removes from square tube 4, i.e. the limit of square tube 4 can be removed, and vice versa, i.e. the installation of square tube 4 can be completed.

[0022] One end of spring 55 is fixedly connected on fixed block 58, the other end of spring 55 is fixedly connected on mounting ring 56.

[0023] In the process of moving rod 54 sliding out limit ring 53, mounting ring 56 fixed on moving rod 54 cooperates with fixed block 58 to extrude spring 55, so that spring 55 generates elastic force, and then moving rod 54 can be reset under the action of the elastic force of spring 55.

[0024] Moving rod 54 is slidably connected in fixed block 58, the lower end of fixed block 58 is in contact with pull block 57.

[0025] By pulling pull block 57, moving rod 54 can be moved.

[0026] Square tube 4 is fixedly connected with reinforced beam 6, the upper end of square tube 4 is in contact with back supporting plate 7, back supporting plate 7 is provided with limit mechanism 8 for preventing its installation from loosening.

[0027] The four square tubes 4 are connected into a whole through the reinforcing beam 6, and the stability of the structure is enhanced.

[0028] The limiting mechanism 8 comprises a threaded hole 81, a bolt 82, a nut 83, an annular groove 84 and an elastic clamping block 85. The upper end of the square tube 4 is provided with the threaded hole 81. The threaded hole 81 is threadedly connected with the bolt 82. The upper end of the bolt 82 is fixedly connected with the nut 83. The nut 83 is provided with the annular groove 84. The annular groove 84 is clamped with the elastic clamping block 85. The elastic clamping block 85 is fixedly connected to the upper end of the backstop plate 7.

[0029] The utility model discloses through setting above limiting mechanism 8 each component cooperation uses, when installing backstop plate 7, can first stir elastic clamping block 85, subsequently through the tool insertion nut 83 inside the recess that sets up, conveniently rotate nut 83, make bolt 82 with the threaded motion between the threaded hole 81 that square tube 4 sets up, when nut 83 moves to the appropriate position, elastic clamping block 85 clamping is set up in the annular groove 84 of nut 83, when this can be positioned to nut 83 indirectly to bolt 82 is positioned, prevent the accident caused by the unstable installation in the use process.

[0030] The bolt 82 is movably connected in the backstop plate 7, and the backstop plate 7 is in contact with the nut 83.

[0031] The upper end of the nut 83 is provided with a recess for rotation, which facilitates the rotation of the nut 83.

[0032] In specific use, the height of the square tube 4 is selected according to actual conditions, then the moving rod 54 fixed on the pull block 57 is moved by pulling the pull block 57, at this time, the square tube 4 is moved to the angle steel 3, then the bolt 52 is inserted into the square tube 4, and in the process of sliding out of the limiting ring 53, the installation ring 56 fixed on the moving rod 54 is squeezed by the fixed block 58 and the compression spring 55 to generate elastic force, then the moving rod 54 is reset and inserted into the limiting ring 53 fixed on the bolt 52 under the action of the elastic force of the spring 55, at this time, the installation of the square tube 4 is completed, and vice versa, the disassembly of the square tube 4 is completed.

[0033] When installing the backstop plate 7, the elastic clamping block 85 can be first stirred, then a tool is inserted into the recess formed in the nut 83, the nut 83 is conveniently rotated, the bolt 82 and the threaded hole 81 provided in the square tube 4 are in threaded movement, when the nut 83 is moved to the appropriate position, the elastic clamping block 85 is clamped into the annular groove 84 formed in the nut 83, at this time, the nut 83 is positioned to indirectly position the bolt 82, so that accidents caused by unstable installation in the use process are prevented.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A combined top support device, comprising a base (1), characterized in that: The lower end of the base (1) is provided with a wheel (2), the upper part of the base (1) is provided with a back support plate (7), the upper end of the base (1) is fixedly connected with an angle steel (3), the angle steel (3) and the base (1) are both in contact with a square tube (4), and the angle steel (3) is provided with an installation mechanism (5) to facilitate the disassembly of the square tube (4). The square tube (4) has a slot (51) inside, and a pin (52) is slidably connected inside the slot (51). One end of the pin (52) is fixedly connected to a limit ring (53). A moving rod (54) is slidably connected inside the limit ring (53). A spring (55) is sleeved on the outside of the moving rod (54). An installation ring (56) is fixedly connected to the outside of the moving rod (54). A pull block (57) is fixedly connected to one end of the moving rod (54). A fixing block (58) is fixedly connected to the angle steel (3).

2. The combined top support device according to claim 1, characterized in that: One end of the spring (55) is fixedly connected to the fixing block (58), and the other end of the spring (55) is fixedly connected to the mounting ring (56).

3. The combined top support device according to claim 1, characterized in that: The movable rod (54) is slidably connected inside the fixed block (58), and the lower end of the fixed block (58) is in contact with the pull block (57).

4. A combined top support device according to claim 1, characterized in that: A reinforcing beam (6) is fixedly connected to the square tube (4), and the upper end of the square tube (4) contacts a top support plate (7). A limiting mechanism (8) is provided on the top support plate (7) to prevent loosening during installation.

5. A combined top support device according to claim 4, characterized in that: The limiting mechanism (8) includes a screw hole (81), a bolt (82), a nut (83), an annular groove (84), and an elastic block (85). The upper end of the square tube (4) is provided with a screw hole (81). A bolt (82) is threaded into the screw hole (81). A nut (83) is fixedly connected to the upper end of the bolt (82). An annular groove (84) is provided on the nut (83). An elastic block (85) is engaged in the annular groove (84). The elastic block (85) is fixedly connected to the upper end of the top support plate (7).

6. A combined top support device according to claim 5, characterized in that: The bolt (82) is movably connected inside the top support plate (7), and the top support plate (7) is in contact with the nut (83).

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