Rotary type safety flat net overhanging support

Abstract

The invention relates to the technical field of building protection devices, and discloses a rotary type safety flat net overhanging support which is characterized in that two sliding seats are horizontally and slidably connected to a mounting plate, mounting grooves are formed in the top ends of the two sliding seats, and the sides, away from the mounting plate, of the two mounting grooves are open; the two net hanging pipes are hinged into the two mounting grooves respectively, strip-shaped holes are formed in the side walls of the opposite sides of the two net hanging pipes, the two sets of net hanging columns are arranged in the two net hanging pipes respectively, and each set of net hanging columns are connected in series through a connecting rope; two sides of the safety flat net are respectively connected with the two groups of net hanging columns; the ends of the two supporting rods are hinged to the two sides of the movable block, the ends, away from the movable block, of the two supporting rods are hinged to the two net hanging pipes respectively, two pull ropes are arranged on the movable block, and the two pull ropes penetrate into the net hanging pipes from the ends of the two net hanging pipes respectively and are connected with the net hanging columns. According to the overhanging support, the support arm rod can be rotated to the position close to a floor, and net hanging and maintenance work can be carried out by an operator under the safe condition.

Description

Technical Field

[0001] The invention relates to the technical field of building protection devices, and in particular to a rotary safety flat net cantilever bracket. Background Art

[0002] Safety nets are an important safety protection system to prevent falls from heights and injuries from falling objects during high-rise building construction.

[0003] At present, the commonly used safety nets are erected by suspended operations using ordinary steel pipe fastener scaffolding. This type of safety net is difficult to build and hang, and workers are required to work at heights. The operation is risky and prone to safety accidents.

[0004] In view of the above problems, there is also a safety net cantilever bracket composed of a mounting plate anchored on the building wall and two net hanging arms that can be horizontally rotated on the mounting plate in the prior art. By anchoring the mounting plate in the above safety net cantilever bracket at the window position of the building, the disassembly and assembly process is convenient, and the staff can carry out net hanging and maintenance work on the cantilever bracket in the building. However, in actual use, this form of safety net, since the length of the net hanging arm often exceeds the width of the building window, when carrying out net hanging and daily net maintenance and inspection work, the staff cannot completely reach all positions of the net hanging arm in the building, and still need to climb the building to complete the entire net hanging work, which still has certain operational risks. Summary of the invention

[0005] The present invention proposes a rotating safety flat net cantilever bracket to solve the deficiencies in the above-mentioned prior art. The rotating safety flat net cantilever bracket can enable workers to complete all net hanging work in a building regardless of the length of the net hanging arm, thereby ensuring the safety of the workers' operations.

[0006] The technical solution of the present invention is: a rotary safety flat net cantilever bracket, used for installing the safety flat net, including a mounting plate, and also including:

[0007] Two slides are horizontally slidably connected to the mounting plate, the two slides are located at the same level, the tops of the two slides are provided with mounting grooves, and the two mounting grooves are open on a side away from the mounting plate;

[0008] The net hanging part includes two net hanging tubes and two groups of net hanging columns. The two net hanging tubes are respectively hinged in the two installation grooves. The side walls of the two net hanging tubes on the opposite sides are provided with strip holes. The two groups of net hanging columns are respectively arranged in the two net hanging tubes. Each group of net hanging columns is connected in series through a connecting rope. The two sides of the safety flat net are respectively connected to the two groups of net hanging columns.

[0009] The movable part includes a movable block and two support rods, the ends of the two support rods are hinged on both sides of the movable block, the ends of the two support rods away from the movable block are respectively hinged to the two net hanging tubes, and two pull ropes are provided on the movable block. The two pull ropes are respectively inserted from the ends of the two net hanging tubes and connected to the net hanging columns.

[0010] In at least one embodiment of the present invention, a support block is provided between the two slide seats on the mounting plate, a support groove is provided on the top of the support block, the support groove is open on a side away from the mounting plate, a telescopic rod is hinged in the support groove, and a movable rod of the telescopic rod is connected to the movable block.

[0011] In at least one embodiment of the present invention, the depth of the installation groove is equal to the outer diameter of the mesh hanging tube, locking blocks are provided on both sides of the two slide seats on the installation plate, and connecting grooves are provided on the locking blocks, and the slide seats are slidably connected in the connecting grooves.

[0012] In at least one embodiment of the present invention, mounting holes connected to the strip holes are provided on the side walls of the two net hanging tubes near the sliding seat, the width of the mounting holes is greater than the diameter of the net hanging column, and an arc plate is connected to the bottom net hanging column in each group of the net hanging columns, the width of the arc plate is greater than the width of the mounting hole, the arc plate is detachably connected to the net hanging tube, and the connecting rope is detachably connected to the net hanging column.

[0013] In at least one embodiment of the present invention, when the telescopic rod is in a retracted state, the connecting rope and the pull rope are both in a tensioned state, and the two sliding seats are respectively located in the two connecting grooves.

[0014] In at least one embodiment of the present invention, the telescopic rod includes a tube body and a movable rod, the side wall of the tube body is provided with a strip-shaped through hole, the movable rod is slidably connected in the tube body, the movable rod is provided with a push plate passing through the strip-shaped through hole, the movable rod is provided with a threaded hole, the tube body is provided with a through hole corresponding to the threaded hole, and a bolt threadedly connected to the threaded hole is passed through the through hole.

[0015] In at least one embodiment of the present invention, a connecting ring is provided on the topmost net hanging column in the two groups of the net hanging columns, and the ends of the two pull ropes are provided with connecting hooks connected to the connecting ring, and the arc plate is connected to the net hanging pipe bolts.

[0016] In at least one embodiment of the present invention, connecting tubes are sewn on both sides of the safety flat net, and each group of the net hanging columns is respectively inserted into the connecting tubes.

[0017] In at least one embodiment of the present invention, pulleys are provided at the ends of the two net hanging tubes away from the slide seat, and the pull ropes are passed around the pulleys.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The swivel safety net cantilever bracket is directly used for fixing the mounting plate to the wall of the building when in use. The swivel safety net cantilever bracket is simply and conveniently constructed. During the net hanging process, the movable block is pushed so that the movable block drives the two slide seats to move toward the middle position of the mounting plate, and then the two net hanging tubes are moved to the middle position of the device, so that the pull rope is in a relaxed state, and the net hanging tube is pulled so that the net hanging tube is deflected around the hinge point of the slide seat, so that the net hanging tube tends to a vertical state. At this time, a plurality of net hanging columns are gathered to the net hanging tube, so that the staff can connect the safety net with the two groups of net hanging columns under safer working conditions in the floor. After the net hanging is completed, the movable block can be pulled to realize that the net hanging tube gradually returns to the two ends of the mounting plate, and the safety net is fully unfolded under the action of the pull rope, so as to quickly complete the layout of the entire safety net and ensure the working safety of the staff.

[0020] 2. The present invention provides a telescopic rod and a locking block. During the use of the cantilever bracket, the telescopic rod can provide a guide for the movement of the movable block, and with the cooperation of the support rod, it can provide a certain supporting effect on the safety net to improve the impact resistance of the safety net; and the locking block can lock the deflection of the hanging net pipe on the sliding seat to avoid the deflection of the hanging net pipe when it is impacted, thereby ensuring the structural stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the top view structure of the present invention;

[0022] Figure 2 The top view of the cross-sectional structure of the present invention is shown in FIG. Figure 1 ;

[0023] Figure 3 For the present invention Figure 2 Detailed structural diagram at A;

[0024] Figure 4 The cross-sectional structure of the present invention is schematically shown Figure 2 ;

[0025] Figure 5 For the present invention Figure 4 Schematic diagram of the local structure.

[0026] Description of reference numerals:

[0027] 1. Safety flat net; 2. Mounting plate; 3. Slide seat; 31. Mounting slot; 41. Net hanging tube; 411. Strip hole; 412. Pulley; 42. Net hanging column; 51. Movable block; 511. Pull rope; 52. Support rod; 6. Support block; 61. Support slot; 62. Telescopic rod; 621. Tube body; 622. Movable rod; 623. Push plate; 7. Locking block; 71. Connecting slot. DETAILED DESCRIPTION

[0028] The drawings in the present invention are not drawn strictly according to the actual scale, and the specific size and quantity of each structure can be determined according to actual needs. The drawings described in the present invention are only schematic diagrams of the structures.

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by persons of ordinary skill in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. The words "include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Inside", "outside", "up", "down", "far", "near", "front", "back" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0031] Combination Figures 1 to 5 As shown, a rotary safety net cantilever bracket is used to install a safety net 1, including a mounting plate 2, the mounting plate 2 is anchored on the building wall through a plurality of expansion anchor bolts, a horizontal slide groove is provided on the mounting plate 2, and further includes:

[0032] The two slides 3 are horizontally slidably connected to the mounting plate 2. The two slides 3 are located in the horizontal slide groove. The two slides 3 are located at the same horizontal height. The tops of the two slides 3 are provided with mounting grooves 31. The two mounting grooves 31 are open on the side away from the mounting plate 2. Grease is coated on the two slides 3 and in the horizontal slide groove to facilitate smooth sliding of the slides 3. In addition to this method, a ball bearing can be arranged on the slide 3 to ensure smooth movement of the slide 3.

[0033] The net hanging part includes two net hanging tubes 41 and two groups of net hanging columns 42. The two net hanging tubes 41 are respectively hinged in two installation grooves 31. The side walls of the two net hanging tubes 41 on the opposite sides are provided with strip holes 411. The two groups of net hanging columns 42 are respectively arranged in the two net hanging tubes 41. The net hanging columns 42 are slidably connected in the inner cavity of the net hanging tubes 41. Each group of net hanging columns 42 are connected in series through connecting ropes; the two sides of the safety flat net 1 pass through the strip holes 411 and are respectively connected to the two groups of net hanging columns 42; the connecting rope is a steel wire rope, and the net hanging column 42 is a cylinder made of plastic material, and the connecting rope passes through multiple net hanging columns 42 of each group.

[0034] The movable parts include a movable block 51 and two support rods 52, the ends of the two support rods 52 are hinged on both sides of the movable block 51, and the ends of the two support rods 52 away from the movable block 51 are respectively hinged to the two net hanging tubes 41, and two pull ropes 511 are provided on the movable block 51. The two pull ropes 511 are respectively inserted from the ends of the two net hanging tubes 41 away from the mounting plate 2, and are connected to the net hanging columns 42. The support rods 52 have a small range of telescopic parts to meet the requirement that when the movable block 51 moves to the two extreme positions, the support rods 52 can pull the two slides 3 close to the middle position of the mounting plate 2, or the support rods 52 can push the two slides 3 to move into the connecting groove 71.

[0035] As an alternative embodiment, a support block 6 is provided between the two slide seats 3 on the mounting plate 2, and a support groove 61 is provided on the top of the support block 6. The support groove 61 is open on the side away from the mounting plate 2, and a telescopic rod 62 is hinged in the support groove 61, and the movable rod of the telescopic rod 62 is connected to the movable block 51; the telescopic rod 62 can provide a guiding effect for the movement of the movable block 51, and with the cooperation of the support rod 52, it can play a certain supporting role for the safety net 1, so as to improve the impact resistance of the safety net 1; in this embodiment, the telescopic rod 62 can adopt an electric telescopic rod.

[0036] As an alternative embodiment, the depth of the mounting groove 31 is equal to the outer diameter of the net hanging tube 41, and locking blocks 7 are provided on both sides of the two slides 3 on the mounting plate 2. The locking blocks 7 are provided with connecting grooves 71, and the slides 3 are slidably connected in the connecting grooves 71. The locking blocks 7 are used to lock the deflection of the net hanging tube 42 on the slides 3 to ensure the structural stability of the cantilever bracket during operation.

[0037] As an alternative embodiment, a mounting hole 412 connected to the strip hole 411 is provided on the side wall of the two net hanging tubes 41 near the sliding seat 3, and the width of the mounting hole 412 is greater than the diameter of the net hanging column 42. An arc plate 421 is connected to the lowest net hanging column 42 in each group of net hanging columns 42, and the width of the arc plate 421 is greater than the width of the mounting hole 412. The arc plate 421 is detachably connected to the net hanging tube 41, and the connecting rope is detachably connected to the net hanging column 42.

[0038] As an alternative embodiment, when the telescopic rod 62 is in a retracted state, the connecting rope and the pull rope 511 are both in a tensioned state, the two slide seats 3 are respectively located in the two connecting grooves 71; and the safety net 1 is also in a fully expanded state.

[0039] As an alternative embodiment, the telescopic rod 62 includes a tube body 621 and a movable rod 622. The side wall of the tube body 621 is provided with a strip-shaped through hole. The movable rod 622 is slidably connected in the tube body 621. The movable rod 622 is provided with a push plate 623 passing through the strip-shaped through hole. The movable rod 622 is provided with a threaded hole. The tube body 621 is provided with a through hole corresponding to the threaded hole. A bolt threadedly connected to the threaded hole is passed through the through hole. The bolt is used to lock the movement of the movable rod 622 after the device is completed. The telescopic rod 62 in the above form has low production cost while meeting the functional requirements.

[0040] As an alternative embodiment, a connecting ring is provided on the uppermost net hanging column 42 in the two groups of net hanging columns 42, and the ends of the two pull ropes 511 are provided with connecting hooks connected to the connecting ring, and the arc plate 421 is bolted to the net hanging tube 41; the arc plate 421 is used to limit the position of the lowermost net hanging column 42 in each group of net hanging columns 42, so that each group of multiple net hanging columns 42 is in a fully expanded state.

[0041] As an alternative embodiment, connecting tubes are sewn on both sides of the safety net 1, and each group of net hanging columns 42 is respectively inserted into the connecting tubes; so that the connection speed of the net hanging columns 42 and the safety net 1 is faster and the structural strength of the connection is higher.

[0042] As an alternative embodiment, pulleys 412 are provided at the ends of the two net hanging tubes 41 away from the slide seat 3, and the pull rope 511 passes around the pulleys 412. The pulleys 412 can make the movement of the pull rope 511 smoother and avoid wear of the pull rope 511. Specifically, the pull rope 511 is a steel wire rope.

[0043] The working principle and usage of this embodiment:

[0044] The present invention provides a rotating safety flat net cantilever bracket. When installing, the rotating safety flat net cantilever bracket directly anchors the mounting plate 2 horizontally on the building wall, thus completing the installation of the cantilever bracket. Subsequently, during the process of hanging the net, the push plate 623 on the telescopic rod 62 is used to make the movable rod 622 of the telescopic rod 62 drive the movable block 51 to move in the direction away from the mounting plate 2, and the movable block 51 drives the two slide seats 3 to move toward the middle position of the mounting plate 2 through the support rod 52, and then moves the two hanging net pipes 41 to the middle position of the device, so that the pull rope 511 is in a relaxed state, and by pulling the hanging net pipe 41, the hanging net pipe 41 is deflected around the hinge point of the slide seat 3, so that the hanging net pipe 51 tends to a vertical state, thereby facilitating the staff to perform the hanging net operation under safer working conditions on the floor. When performing the hanging net operation, the hook of the pull rope 511 is removed from the connecting ring on the hanging net column 42, and a plurality of hanging net columns are removed from the mounting ring on the hanging net pipe 41. After the safety net 1 is completely unfolded, the telescopic rod 62 is locked by the bolts, and the entire bracket is quickly erected.

[0045] The above embodiments are only specific implementation methods of the patent of the present invention, which are used to illustrate the technical solution of the patent of the present invention rather than to limit it. The protection scope of the patent of the present invention is not limited thereto. Although the patent of the present invention is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that any technician familiar with the technical field can still modify the technical solution recorded in the above embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution for implementing the patent of the present invention, and should be covered within the protection scope of the present invention.

Claims

1. A rotatable safety net cantilever bracket for mounting a safety net (1), comprising a mounting plate (2), characterized in that: Also includes: Two slide seats (3) are horizontally slidably connected to the mounting plate (2), the two slide seats (3) are located at the same horizontal height, the top ends of the two slide seats (3) are provided with mounting grooves (31), and the two mounting grooves (31) are open on a side away from the mounting plate (2); The net hanging part comprises two net hanging tubes (41) and two groups of net hanging posts (42), the two net hanging tubes (41) are respectively hinged in the two installation grooves (31), the side walls of the two net hanging tubes (41) on the opposite side are provided with strip holes (411), the two groups of net hanging posts (42) are respectively arranged in the two net hanging tubes (41), and each group of net hanging posts (42) are connected in series through a connecting rope; the two sides of the safety flat net (1) are respectively connected to the two groups of net hanging posts (42); The movable part comprises a movable block (51) and two support rods (52), the ends of the two support rods (52) are hinged on both sides of the movable block (51), the ends of the two support rods (52) away from the movable block (51) are respectively hinged to the two net hanging tubes (41), and the movable block (51) is provided with two pull ropes (511), and the two pull ropes (511) are respectively inserted from the ends of the two net hanging tubes (41) away from the mounting plate (2) and connected to the net hanging columns (42).

2. A rotary safety flat net cantilever bracket as claimed in claim 1, characterized in that: A support block (6) is provided between the two slide seats (3) on the mounting plate (2); a support groove (61) is provided on the top of the support block (6); the support groove (61) is open on a side away from the mounting plate (2); a telescopic rod (62) is hinged in the support groove (61); and a movable rod (622) of the telescopic rod (62) is connected to the movable block (51).

3. A rotating safety flat net cantilever bracket as claimed in claim 2, characterized in that: The depth of the installation groove (31) is equal to the outer diameter of the mesh hanging tube (41), and locking blocks (7) are provided on both sides of the two slide seats (3) on the installation plate (2), and the locking blocks (7) are provided with connecting grooves (71), and the slide seats (3) are slidably connected in the connecting grooves (71).

4. The rotating safety flat net cantilever bracket according to claim 1, characterized in that: A mounting hole (412) connected to the strip hole (411) is provided on the side walls of the two net hanging tubes (41) near the sliding seat (3); the width of the mounting hole (412) is greater than the diameter of the net hanging column (42); the bottom net hanging column (42) in each group of net hanging columns (42) is connected to an arc plate (421); the width of the arc plate (421) is greater than the width of the mounting hole (412); the arc plate (421) is detachably connected to the net hanging tube (41); and the connecting rope is detachably connected to the net hanging column (42).

5. The rotary safety flat net cantilever bracket according to claim 3, characterized in that: When the telescopic rod (62) is in a retracted state, the connecting rope and the pull rope (511) are both in a tensioned state, and the two sliding seats (3) are respectively located in the two connecting grooves (71).

6. The rotating safety flat net cantilever bracket according to claim 2, characterized in that: The telescopic rod (62) comprises a tube body (621) and a movable rod (622), the side wall of the tube body (621) is provided with a strip-shaped through hole, the movable rod (622) is slidably connected in the tube body (621), the movable rod (622) is provided with a push plate (623) passing through the strip-shaped through hole, the movable rod (622) is provided with a threaded hole, the tube body (621) is provided with a through hole corresponding to the threaded hole, and a bolt threadedly connected to the threaded hole is passed through the through hole.

7. The rotary safety flat net cantilever bracket according to claim 4, characterized in that: The uppermost net hanging column (42) in the two groups of net hanging columns (42) is provided with a connecting ring, the ends of the two pull ropes (511) are provided with connecting hooks connected to the connecting ring, and the arc plate (421) is bolted to the net hanging tube (41).

8. The rotary safety flat net cantilever bracket according to claim 4, characterized in that: Connecting tubes are sewn on both sides of the safety flat net (1), and each group of the net hanging columns (42) are respectively inserted into the connecting tubes.

9. The rotating safety flat net cantilever bracket according to claim 1, characterized in that: The ends of the two net hanging tubes (41) away from the sliding seat (3) are both provided with pulleys (412), and the pull rope (511) is passed around the pulleys (412).

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