CN211548702U

CN211548702U - Upper and lower lifting point truss device for attached lifting scaffold

Info

Publication number: CN211548702U
Application number: CN201921319337.3U
Authority: CN
Inventors: 李卫; 王法财; 杨学峰; 付道营
Original assignee: Shandong Zhongjia Safety Technology Co ltd
Current assignee: Shandong Zhongjia Safety Technology Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-09-22
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses an inserted lift scaffold is with upper and lower hoisting point truss device, including the square frame, the inner wall welding of square frame has the set-square, and the top welding of square frame has the angle sign indicating number, the lateral wall welding of square frame has the horizontal pole, the top welding of horizontal pole has first backup pad, and the top of horizontal pole is close to one side position department welding of first backup pad and has the second backup pad, the top welding of first backup pad has the supporting seat, the outside bolted connection of supporting seat has the bracing, the top welding of second backup pad has the connecting plate, the top welding of connecting plate has cable suspension device. Through the setting of first backup pad, supporting seat and bracing, can improve the structural strength who hangs the point, make the truss when lifting by crane the promotion operation, stability is higher, through set-square and angle sign indicating number, conveniently splices the installation to the multistage truss to improve the intensity after every section truss splices, improved work efficiency.

Description

Upper and lower lifting point truss device for attached lifting scaffold

Technical Field

The utility model relates to a truss technical field specifically is an attached type lifting foot truss device for scaffold.

Background

The truss is a structure formed by connecting rod pieces at two ends by hinges, the truss is a plane or space structure which is generally provided with triangular units and consists of straight rods, and the truss rod pieces mainly bear axial tension or pressure, so that the strength of materials can be fully utilized, the truss can save materials compared with a solid web girder when the span is large, the self weight is reduced, and the rigidity is increased.

Hoisting point truss is built and is hung the promotion in-process at attached lift scaffold, play important effect, the safety and the smooth use of attached lift scaffold have been guaranteed, however, the truss lifts by crane from top to bottom, the hoisting point area is less, structural strength is not enough, long-term use easily causes the metal fatigue of hoisting point department, the security reduces, and when lifting by crane, the inconvenient lifting hook that uses different specifications lifts by crane, it is not good to use the flexibility, and when needing to carry out multistage truss concatenation installation, the concatenation installation is inconvenient, joint strength between every section truss is limited. Accordingly, one skilled in the art has provided an upper and lower suspension point truss apparatus for an attached lifting scaffold to solve the problems of the background art as described above.

Disclosure of Invention

An object of the utility model is to provide an inserted lift scaffold puts up with upper and lower hoisting point truss device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an upper and lower lifting point truss device for an attached lifting scaffold comprises a square frame, wherein a triangular plate is welded on the inner wall of the square frame, the top of the square frame is welded with an angle bracket, the side wall of the square frame is welded with a cross rod, the top of the cross rod is welded with a first supporting plate, and a second supporting plate is welded at the position of one side of the top of the cross rod, which is close to the first supporting plate, a supporting seat is welded at the top of the first supporting plate, the outer part of the supporting seat is connected with an inclined strut by a bolt, the top of the second supporting plate is welded with a connecting plate, the front surface of the connecting plate is welded with a ribbed plate, and the top of the connecting plate is welded with a hanging device, the top of the cross bar is provided with a third through hole at the position close to one side of the second supporting plate, and the front surface welding of horizontal pole has the bridging, the front surface of horizontal pole is close to the welding of one side position department of bridging has the vertical pole, and the welding of the bottom of horizontal pole has the stand.

As a further aspect of the present invention: the hanging device comprises a hanging support, a strip hole, a pin and a nut, the hanging support is of a U-shaped structure, the strip hole is formed in the front surface of the hanging support, the pin is connected to the inside of the strip hole in a sliding mode, and the nut is connected to the outside of the pin in a threaded mode.

As a further aspect of the present invention: the cross bars are distributed on the side walls of the square frames in a rectangular mode and are hollow square tubes.

As a further aspect of the present invention: the angle sign indicating number evenly distributed is in four corners of square frame, and the second through-hole has been seted up at the top of angle sign indicating number, the angle sign indicating number is L shape structure.

As a further aspect of the present invention: first through-hole has been seted up to the lateral wall of set-square, and the set-square is the rectangle and distributes at the inner wall of square frame.

As a further aspect of the present invention: the diameters of the first through hole, the second through hole and the third through hole are the same, and threads are formed in the first through hole, the second through hole and the third through hole.

As a further aspect of the present invention: the first supporting plate is symmetrically arranged at the top of the cross rod, and the width of the first supporting plate is equal to that of the square frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the first supporting plate, the supporting seat and the inclined strut, the structural strength of a hanging point can be improved, so that the stability and the safety of the truss are higher when the truss is lifted, the service life is longer, the structure is simple, and the use cost is low;

2. through the arrangement of the triangular plates and the corner connectors, the splicing and installation of the multi-section trusses are facilitated, the strength of the trusses after splicing is improved, the working efficiency is improved, and the use safety of the trusses is improved;

3. through cable suspension device's setting, can adapt to the lifting hook of different specifications, hang the promotion operation, the flexibility of using is higher, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of an upper and lower lifting point truss apparatus for an attached lifting scaffold;

FIG. 2 is a schematic structural view of a suspending device of an upper and lower suspension point truss device for an attached lifting scaffold;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a square frame; 2. a set square; 3. a first through hole; 4. corner connectors; 5. a second through hole; 6. a cross bar; 7. a first support plate; 8. a supporting seat; 9. bracing; 10. a second support plate; 11. a connecting plate; 12. a rib plate; 13. a hanging device; 14. hanging a support; 15. a strip hole; 16. a pin; 17. a nut; 18. a third through hole; 19. a column; 20. a scissor support; 21. a longitudinal bar.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an upper and lower hanging point truss device for an attached lifting scaffold includes a frame 1, a triangular plate 2 welded to an inner wall of the frame 1, a corner brace 4 welded to a top of the frame 1, a first through hole 3 formed in a side wall of the triangular plate 2, the triangular plate 2 being distributed in a rectangular shape on the inner wall of the frame 1, the first through hole 3, a second through hole 5, and a third through hole 18 having the same diameter, and threads formed in the first through hole 3, the second through hole 5, and the third through hole 18, the corner brace 4 being uniformly distributed at four corners of the frame 1, the second through hole 5 formed in the top of the corner brace 4, the corner brace 4 having an L-shaped structure, when connecting a plurality of trusses, one end of one truss is aligned with one end of another truss welded with the corner brace 4 and placed inside the corner brace 4, the second through hole 5 corresponding to the third through hole 18, and the bolt is screwed in through the second through hole 5, penetrates through the third through hole 18, is screwed, and is then installed into the bolt through the first through hole 3 for reinforcement, so that the two sections of trusses are quickly and firmly connected together, the assembling efficiency is improved, meanwhile, the corner brace 4 can play a role in limiting and fixing, and the overall strength of the spliced trusses is improved.

The side wall of the square frame 1 is welded with a cross bar 6, the cross bar 6 is distributed on the side wall of the square frame 1 in a rectangular shape, the cross bar 6 is a hollow square tube, the top of the cross bar 6 is welded with a first supporting plate 7, and a second supporting plate 10 is welded at the position of one side of the top of the cross rod 6, which is close to the first supporting plate 7, the first supporting plates 7 are symmetrically arranged at the top of the cross rod 6, and the width of the first supporting plate 7 is equal to the width of the square frame 1, the supporting seat 8 is welded on the top of the first supporting plate 7, the inclined support 9 is connected with the external bolt of the supporting seat 8, when the hanging and lifting operation is carried out, the inclined strut 9 is connected between the supporting seat 8 and the connecting plate 11 through a bolt, which can play a role of enhancing the structural strength of the hanging point, meanwhile, the stability and the safety of the truss hanging and lifting process are improved, the stress strength of the connecting plate 11 is reduced when the truss hanging and lifting process is carried out, and the service life of the connecting plate 11 is prolonged.

The top of the second support plate 10 is welded with a connecting plate 11, the front surface of the connecting plate 11 is welded with a rib plate 12, the top of the connecting plate 11 is welded with a hanging device 13, the hanging device 13 comprises a hanging support 14, a long hole 15, a pin 16 and a nut 17, the hanging support 14 is of a U-shaped structure, the front surface of the hanging support 14 is provided with the long hole 15, the inside of the long hole 15 is connected with the pin 16 in a sliding manner, the outside of the pin 16 is connected with the nut 17 in a threaded manner, a third through hole 18 is arranged at one side position of the top of the cross rod 6 close to the second support plate 10, the front surface of the cross rod 6 is welded with a shear brace 20, the front surface of the cross rod 6 is welded with a longitudinal rod 21 at one side position close to the shear brace 20, the bottom of the cross rod 6 is welded with a stand column 19, before hanging and lifting operation is, make it and pin 16 separation, insert pin 16 by rectangular hole 15 to run through to hanging the opposite side of support 14, then tighten nut 17, make it be connected the fastening with pin 16, avoid pin 16 to deviate from rectangular hole 15, pin 16 can slide from top to bottom in rectangular hole 15 to be convenient for articulate the lifting hook of different specifications, use flexibility is high, and convenient to use is simple.

The utility model discloses a theory of operation is: when a plurality of sections of trusses are connected, one end of one section of truss is aligned with one end of the other section of truss welded with an angle code 4, the truss is placed inside the angle code 4, a second through hole 5 corresponds to a third through hole 18, a bolt is screwed in from the second through hole 5 and penetrates through the third through hole 18, the bolt is screwed, because the square frames 1 are welded at the two ends of the cross rod 6, the cross rod can be reinforced again by installing bolts in the two corresponding first through holes 3, so that the two sections of trusses are quickly and firmly connected together, the efficiency of assembly operation is improved, meanwhile, the angle code 4 can play a role of limiting and fixing, before the scaffold is hung and lifted, the nut 17 is rotated to separate the truss from the pin 16, the pin 16 is completely pulled out from the strip hole 15, the lifting hook is placed in the hanging support 14, and then the pin 16 is inserted from the strip hole 15, pass the lifting hook and run through to the opposite side of hanging support 14, thereby realize articulating of pin 16 and lifting hook, then screw up nut 17, make it and pin 16 be connected the fastening, avoid pin 16 to deviate from in rectangular hole 15, pin 16 can slide from top to bottom in rectangular hole 15, thereby be convenient for articulate the lifting hook of different specifications, do not receive the restriction of lifting hook specification, bracing 9 passes through bolted connection between supporting seat 8 and connecting plate 11, can play the effect of the structural strength of reinforcing hanging point, when hanging the scaffold frame and lifting, bracing 9 can share partly the pulling force that comes to the scaffold, thereby when having alleviateed hanging the scaffold frame and lifting, connecting plate 11's stress intensity, the life of connecting plate 11 has been prolonged, bracing 9 is convenient to dismantle simultaneously, can used repeatedly.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An upper and lower lifting point truss device for an attached lifting scaffold comprises a square frame (1) and is characterized in that a triangular plate (2) is welded on the inner wall of the square frame (1), an angle code (4) is welded on the top of the square frame (1), a cross rod (6) is welded on the side wall of the square frame (1), a first supporting plate (7) is welded on the top of the cross rod (6), a second supporting plate (10) is welded on one side position, close to the first supporting plate (7), of the top of the cross rod (6), a supporting seat (8) is welded on the top of the first supporting plate (7), an inclined support (9) is connected to the outer portion of the supporting seat (8) through bolts, a connecting plate (11) is welded on the top of the second supporting plate (10), a rib plate (12) is welded on the front surface of the connecting plate (11), and a hanging device (13), third through-hole (18) have been seted up to one side position department that the top of horizontal pole (6) is close to second backup pad (10), and the front surface welding of horizontal pole (6) has bridging (20), one side position department welding that the front surface of horizontal pole (6) is close to bridging (20) has vertical pole (21), and the bottom welding of horizontal pole (6) has stand (19).

2. The upper and lower hanging point truss device for the attached lifting scaffold as claimed in claim 1, wherein the hanging device (13) comprises a hanging support (14), a long hole (15), a pin (16) and a nut (17), the hanging support (14) is of a U-shaped structure, the long hole (15) is opened on the front surface of the hanging support (14), the pin (16) is slidably connected to the inside of the long hole (15), and the nut (17) is screwed to the outside of the pin (16).

3. The upper and lower lifting point truss device for the attached lifting scaffold as claimed in claim 1, wherein the cross bars (6) are distributed on the side wall of the square frame (1) in a rectangular shape, and the cross bars (6) are hollow square tubes.

4. The upper and lower hanging point truss device for the attached lifting scaffold as claimed in claim 1, wherein the corner connectors (4) are uniformly distributed at four corners of the square frame (1), the top of the corner connector (4) is provided with a second through hole (5), and the corner connector (4) is of an L-shaped structure.

5. The upper and lower hanging point truss device for the attached lifting scaffold as claimed in claim 1, wherein the side wall of the triangular plate (2) is provided with a first through hole (3), and the triangular plate (2) is distributed on the inner wall of the square frame (1) in a rectangular shape.

6. The upper and lower hanging point truss apparatus for the attached lifting scaffold as claimed in claim 5, wherein the first through hole (3), the second through hole (5) and the third through hole (18) have the same diameter, and the first through hole (3), the second through hole (5) and the third through hole (18) are internally threaded.

7. The upper and lower hanging point truss apparatus for an attached lifting scaffold as claimed in claim 1, wherein the first supporting plate (7) is symmetrically arranged on the top of the cross bar (6), and the width of the first supporting plate (7) is equal to the width of the square frame (1).