Folding type crossing frame device

Abstract

The invention discloses a folding type crossing frame device which comprises crossing frames arranged symmetrically, a sealing net is laid between the tops of the crossing frames, the two ends of the tops of the crossing frames are connected with stay wires and are tensioned through the stay wires, and the other ends of the stay wires are fixed to the ground. The crossing frame comprises supporting bases, an upper supporting assembly, a lower supporting assembly and a buffering assembly. The bottom end of the lower supporting assembly is installed on the symmetrically-arranged supporting bases. The bottom end of the upper supporting assembly is hinged to the top end of the lower supporting assembly through a turnover hinge. The buffering assembly is installed on the top of the upper supporting assembly. By arranging the upper supporting assembly and the lower supporting assembly which are hinged to each other, installation of the crossing frame can be rapidly completed, meanwhile, the height connection relation between the upper supporting assembly and the lower supporting assembly can be adjusted at any time, high flexibility is achieved, and the crossing frame can be suitable for crossing construction of lines with different heights; the assembling time of all the components is shortened, and the installation efficiency of the crossing frame is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of crossing frames, and specifically designs a foldable crossing frame device. Background Art

[0002] With the continuous upgrading of my country's power grid and transportation infrastructure construction, the problems of crossing construction of transmission lines have gradually increased. Crossing construction involves greater risks and difficulty, and is affected by factors such as complex terrain. In addition, as more lines are put into operation, it is required to shorten the construction time while ensuring construction safety, which further increases the requirements for the efficiency and safety of crossing construction.

[0003] Chinese patent CN203813323U discloses a foldable support frame for a transmission line spanning frame, comprising a telescopic arm driven by a power mechanism, which is sleeved from the outside to the inside by a first-stage arm body, a plurality of intermediate-stage arm bodies, and a final-stage arm body; the left and right sides of the front and rear ends of the first-stage arm body, the left and right sides of the front end of the intermediate-stage arm body and the final-stage arm body are respectively fixedly connected to the side ears; the side ears are hinged to a sway bar that is extended and folded back along the length direction of the telescopic arm through a vertically arranged pin shaft; the side ears and the sway bar are adjacent to the pin shaft and are also provided with a positioning hole for positioning the sway bar to a vertical position with the telescopic arm and a positioning pin matched with the positioning hole; the sway bar is installed with a protective rope net through evenly distributed pull rings. This invention overcomes the problem that the end of the transmission line is easy to fall off the pulley in the traditional technology, greatly improves the construction efficiency, and at the same time improves the safety of workers and pedestrians on the road during the construction process, but the overall operation will generate a high transportation cost, and the operation is relatively complicated when carrying out the support frame, which is easy to take up a lot of time. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a foldable crossing frame device, which can simplify the assembly operation of the crossing frame and improve the installation efficiency of the crossing frame.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows.

[0006] A foldable crossing frame device includes symmetrically arranged crossing frames, a sealing net is laid between the tops of the crossing frames, both ends of the tops of the crossing frames are connected to tension wires and tightened by the tension wires, and the other ends of the tension wires are fixed to the ground; the crossing frame includes a support base, an upper support assembly, a lower support assembly, and a buffer assembly, and the bottom end of the lower support assembly is installed on the symmetrically arranged support base; the bottom end of the upper support assembly is hinged to the top end of the lower support assembly through a flip hinge, and the upper support assembly and the lower support assembly are locked and connected through a reinforcing plate; the buffer assembly is installed on the top of the upper support assembly.

[0007] The above-mentioned foldable crossing frame device, the lower support assembly includes two lower support columns, a number of support cross bars evenly spaced are installed between the lower support columns, the bottom ends of the lower support columns are connected to the support base through the bottom plate; a number of reinforcing rib plates are arranged between the circumferential side of the bottom ends of the lower support columns and the bottom plate; a first vertical surface threadedly connected to the reinforcing plate is arranged on the outer side of the top end of the lower support column.

[0008] In the above-mentioned foldable spanning frame device, the lower supporting column is also provided with a second vertical surface perpendicular to the first vertical surface, and the second vertical surface is provided with an adjustment hole movably connected to one end of the flip hinge.

[0009] The above-mentioned foldable crossing frame device, the upper support assembly includes two upper support columns, and a number of support cross bars arranged at even intervals are installed between the upper support columns; a vertical plate facing the other upper support column is arranged on the top of the upper support column, and the buffer assembly is installed between the two vertical plates; a first vertical surface threadedly connected to the reinforcing plate is opened on the outer side of the bottom end of the upper support column.

[0010] The above-mentioned foldable crossing frame device, the buffer assembly includes a load-bearing plate, a load-bearing block, a central axis and a lateral shifting mechanism installed on both sides of the load-bearing block; the load-bearing plate is arranged at the top end of the load-bearing block; outer cover plates are arranged on both sides of the central axis and are connected to the vertical plates on the upper supporting columns through the outer cover plates; the load-bearing block is arranged in an inverted U shape, and a limiting column is arranged at the bottom opening of the load-bearing block, and a limiting hole is opened on the limiting column for slidingly fitting with the central axis.

[0011] The above-mentioned foldable crossing frame device, the side shift mechanism includes a connecting rod hinged to the load-bearing block, the other end of the connecting rod is hinged to a connecting plate sleeved on the central axis, an inner end cover is provided on the side of the connecting plate away from the load-bearing block, and a first spring is provided between the inner end cover and the outer end cover.

[0012] The above-mentioned foldable crossing frame device, the supporting base includes an upper supporting plate, a lower supporting plate, and a second spring. The lower supporting plate is fixed to the ground by ground nails. The top end surface of the lower supporting plate and the bottom end surface of the upper supporting plate are respectively provided with cylindrical sleeves connected to the second spring. The upper supporting plate and the lower supporting plate are connected by connecting bolts passing through the cylindrical sleeves. The top end of the connecting bolt passes through the upper supporting plate and is threadedly connected with the locking nut.

[0013] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0014] The present invention provides a foldable crossing frame device, which can quickly complete the installation of the crossing frame by arranging an upper support assembly and a lower support assembly that are hinged to each other. At the same time, the height connection relationship between the upper support assembly and the lower support assembly can be adjusted at any time. It has strong flexibility and can be applicable to the crossing construction of lines at different heights. It shortens the assembly time between the components, effectively improves the installation efficiency of the crossing frame, and can also save the space occupied by the crossing frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the specific structure of the present invention;

[0016] Figure 2 It is a front view of the present invention;

[0017] Figure 3 It is a schematic diagram of the specific structure of the spanning frame of the present invention;

[0018] Figure 4 This is a schematic diagram of the specific structure of the spanning frame of the present invention in a folded state;

[0019] Figure 5 This is a schematic diagram of the specific structure of the buffer assembly of the present invention;

[0020] Figure 6 It is a schematic diagram of the specific structure of the support base described in the present invention.

[0021] Among them: 1. Support base, 2. Lower support column, 3. Upper support column, 4. Sealing net, 5. Pull wire, 6. Reinforcement plate, 7. First vertical surface, 8. Second vertical surface, 9. Support cross bar, 10. Flip hinge, 11. Load-bearing plate, 12. Load-bearing block, 13. Outer cover plate, 14. Inner end cover, 15. Center axis, 16. Connecting plate, 17. Connecting rod, 18. First spring, 19. Limit column, 20. Limit hole, 21. Upper support plate, 22. Lower support plate, 23. Ground nail, 24. Locking nut, 24. Second spring, 26. Connecting bolt. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Folding spanning frame device, such as Figures 1 to 6 As shown, it includes symmetrically arranged crossing frames, a sealing net is laid between the tops of the crossing frames, both ends of the tops of the crossing frames are connected to the tension wire 5 and tightened by the tension wire 5, and the other end of the tension wire is fixed on the ground.

[0024] The crossing frame includes a support base 1, an upper support assembly, a lower support assembly, and a buffer assembly. The bottom end of the lower support assembly is installed on the symmetrically arranged support base 1, the bottom end of the upper support assembly is hinged to the top end of the lower support assembly through a flip hinge, and the buffer assembly is installed on the top of the upper support assembly.

[0025] The lower support assembly includes two lower support columns 2, and a plurality of support cross bars 9 arranged evenly at intervals are installed between the lower support columns 2. The bottom ends of the lower support columns 2 are connected to the support base 1 through a bottom plate.

[0026] A plurality of reinforcing ribs are arranged between the bottom end periphery of the lower supporting column 2 and the bottom plate, so as to enhance the stability of the lower supporting column 2 .

[0027] The upper support assembly includes two upper support columns 3 , and a plurality of support cross bars 9 arranged at even intervals are installed between the upper support columns 3 .

[0028] A vertical plate facing the other upper supporting column 3 is arranged on the top of the upper supporting column 3, and the buffer assembly is installed between the two vertical plates.

[0029] The outer sides of the upper supporting column 3 and the lower supporting column 2 are respectively provided with vertically parallel first vertical surfaces 7, and a reinforcing plate 7 for locking the upper supporting column 3 and the lower supporting column 2 is installed between the first vertical surfaces 7, which can prevent instability between the upper supporting column 3 and the lower supporting column 2.

[0030] The buffer assembly includes a load-bearing plate 11, a load-bearing block 12, a central axis 15, and a lateral displacement mechanism installed on both sides of the load-bearing block 12. The load-bearing plate 11 is arranged at the top of the load-bearing block 12, and outer cover plates 13 are arranged on both sides of the central axis 15 and are connected to the vertical plates on the upper supporting columns through the outer cover plates 13.

[0031] The load-bearing block 12 is arranged in an inverted U shape. A limiting column 19 is arranged at the bottom opening of the load-bearing block 12 . A limiting hole 20 slidably fitted with the central axis 15 is opened on the limiting column 19 .

[0032] The lateral displacement mechanism includes a connecting rod 17 hinged to the load-bearing block 12, the other end of the connecting rod 17 is hinged to a connecting plate 16 sleeved on the central axis 15, an inner end cover 14 is provided on the side of the connecting plate 16 away from the load-bearing block 12, and a first spring 18 is provided between the inner end cover 14 and the outer end cover 13.

[0033] When the load-bearing plate 11 is subjected to the pressure impact of the upper wire, the load-bearing plate 11 will drive the load-bearing block to move downward. At the same time, the connecting rods 17 in the lateral displacement mechanisms on both sides will push the connecting plate 16 to both sides, compressing the first spring 18, thereby dispersing the impact force in the upper vertical direction to the left and right sides, thereby buffering the pressure impact. At the same time, when no force is applied, the first spring 18 will drive the connecting plate 16 to automatically rebound and reset.

[0034] The lower support column 2 is also provided with a second vertical surface 8 perpendicular to the first vertical surface 7. The second vertical surface is provided with an adjustment hole movably connected to one end of the flip hinge, so as to adjust the overall height of the upper support column and the lower support column.

[0035] The support base 1 includes an upper support plate 21, a lower support plate 22, and a second spring 25. The lower support plate 22 is fixed to the ground by ground nails 23. The top end surface of the lower support plate 22 and the bottom end surface of the upper support plate 21 are respectively provided with cylindrical sleeves connected to the second spring 25. The upper support plate 21 and the lower support plate 22 are connected by connecting bolts 26 passing through the cylindrical sleeves. The top end of the connecting bolt 26 passes through the upper support plate 21 and is threadedly connected to the locking nut 24.

[0036] When in use, the support base 1 is first fixed on the ground, and then the lower support assembly is installed on the support base 1 through the bolt assembly.

[0037] Determine the adjustment hole position of the flip hinge on the second vertical surface 8 of the lower support column 2 according to the height of the conveying line, connect the bottom end of the upper support assembly with the other end of the flip hinge, and at the same time, install the buffer assembly between the two upper support columns 3.

[0038] Then, after the upper support assembly is hoisted to a vertical position by a crane, the upper support assembly and the lower support assembly are locked and connected by a reinforcing plate to complete the assembly of the spanning frame.

[0039] Finally, the sealing net 4 is installed between the two spanning frames to protect the spanned object. At the same time, the top end of the upper supporting column 3 is connected to the tension wire 5 and the other end of the tension wire 5 is fixed on the ground and tightened.

[0040] After use, the upper support assembly can be flipped and folded to save space, and can be opened again when needed.

[0041] The present invention provides a foldable crossing frame device, which can quickly complete the installation of the crossing frame by arranging an upper support assembly and a lower support assembly that are hinged to each other. At the same time, the height connection relationship between the upper support assembly and the lower support assembly can be adjusted at any time. It has strong flexibility and can be applicable to the crossing construction of lines at different heights. It shortens the assembly time between the components, effectively improves the installation efficiency of the crossing frame, and can also save the space occupied by the crossing frame.

Claims

1. A foldable spanning frame device, characterized in that: The invention comprises a symmetrically arranged crossing frame, a sealing net is laid between the tops of the crossing frames, the two ends of the tops of the crossing frames are connected to the tension wires (5) and tightened by the tension wires (5), and the other ends of the tension wires are fixed on the ground; the crossing frame comprises a support base (1), an upper support assembly, a lower support assembly, and a buffer assembly, and the bottom end of the lower support assembly is installed on the symmetrically arranged support base (1); the bottom end of the upper support assembly is hinged to the top end of the lower support assembly by a flip hinge, and the upper support assembly and the lower support assembly are locked and connected by a reinforcing plate (6); the buffer assembly is installed on the top of the upper support assembly.

2. The foldable spanning frame device according to claim 1, characterized in that: The lower support assembly comprises two lower support columns (2), a plurality of support cross bars (9) arranged at even intervals are installed between the lower support columns (2), and the bottom ends of the lower support columns (2) are connected to the support base (1) via a bottom plate; a plurality of reinforcing rib plates are arranged between the circumferential sides of the bottom ends of the lower support columns (2) and the bottom plate; and a first vertical surface (7) threadedly connected to the reinforcing plate (6) is arranged on the outer side of the top end of the lower support column (2).

3. The foldable spanning frame device according to claim 2, characterized in that: The lower supporting column (2) is also provided with a second vertical surface (8) perpendicular to the first vertical surface (7), and the second vertical surface is provided with an adjustment hole movably connected to one end of the flip hinge.

4. The foldable spanning frame device according to claim 1, characterized in that: The upper support assembly comprises two upper support columns (3), and a plurality of support cross bars (9) arranged at even intervals are installed between the upper support columns (3); a vertical plate facing the other upper support column (3) is arranged on the top of the upper support column (3), and the buffer assembly is installed between the two vertical plates; and a first vertical surface (7) threadedly connected to the reinforcing plate (6) is provided on the outer side of the bottom end of the upper support column (3).

5. The foldable spanning frame device according to claim 4, characterized in that: The buffer assembly comprises a load-bearing plate (11), a load-bearing block (12), a central axis (15), and a lateral displacement mechanism installed on both sides of the load-bearing block (12); the load-bearing plate (11) is arranged at the top of the load-bearing block (12); outer cover plates (13) are arranged on both sides of the central axis (15) and are connected to the vertical plates on the upper supporting column (3) through the outer cover plates (13); the load-bearing block (12) is arranged in an inverted U shape, and a limiting column (19) is arranged at the bottom opening of the load-bearing block (12), and a limiting hole (20) is opened on the limiting column (19) for slidingly fitting with the central axis (15).

6. The foldable spanning frame device according to claim 5, characterized in that: The side shift mechanism comprises a connecting rod (17) hinged to the load-bearing block (12), the other end of the connecting rod (17) being hinged to a connecting plate (16) sleeved on the central shaft (15), an inner end cover (14) being arranged on the side of the connecting plate (16) away from the load-bearing block (12), and a first spring (18) being arranged between the inner end cover (14) and the outer end cover (13).

7. The foldable spanning frame device according to claim 1, characterized in that: The support base (1) comprises an upper support plate (21), a lower support plate (22), and a second spring (25); the lower support plate (22) is fixed to the ground by means of ground nails (23); cylindrical sleeves connected to the second spring (25) are respectively arranged around the top end surface of the lower support plate (22) and the bottom end surface of the upper support plate (21); the upper support plate (21) and the lower support plate (22) are connected by means of connecting bolts (26) passing through the cylindrical sleeves; the top end of the connecting bolts (26) passes through the upper support plate (21) and is threadedly connected to the locking nut (24).

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