Safety net with adjustable tightness

Abstract

The safety net comprises a mounting plate and a safety net body, a storage box is welded to the top of the mounting plate, a storage groove is formed in the top of the right side of the storage box, the safety net body is arranged on the inner side of the storage groove, and the left end of the safety net body is fixedly connected with an adjusting unit arranged in the storage box. The adjusting unit is composed of a motor, a transmission shaft, a driving gear, a winding roller and a driven gear, the motor is fixedly mounted at the front end of the top of the mounting plate, according to the safety net capable of adjusting the tightness, the mounting plate is fixed to an area needing to be protected through external bolts, then rotation of the motor is adjusted through a controller, and therefore the safety net can adjust the tightness. According to the safety net, the winding roller rotates to tighten or loosen the safety net, the stability of the safety net is guaranteed through the design of the connecting lock catch, the safety net can be conveniently stored and released through the design of the winding and releasing groove, and the safety net has high practicability in practical application.

Description

Technical Field

[0001] The utility model relates to the technical field of safety nets, in particular to a safety net with adjustable tightness. Background Art

[0002] With the popularization and complexity of aerial work, safety protection equipment plays a vital role in ensuring the safety of personnel. Among them, safety nets, as one of the common safety protection equipment, are widely used in various aerial work scenarios;

[0003] However, most of the existing safety nets are of fixed size and cannot be adjusted according to needs, and their scope of application is limited. For aerial work platforms or fixed objects of different sizes, safety nets of different specifications need to be prepared, which increases the cost and complexity of use. In addition, the adjustment mechanism of the existing safety net is usually more complicated, the adjustment is not convenient, and the stability is insufficient. Therefore, we propose a safety net with adjustable tightness. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a safety net with adjustable tightness. The technical scheme adopted is as follows: the utility model comprises a mounting plate and a safety net, a storage box is welded on the top of the mounting plate, a retracting groove is arranged on the top right side of the storage box, a safety net is arranged on the inner side of the retracting groove, and the left end of the safety net is fixedly connected with an adjustment unit arranged inside the storage box, the adjustment unit is composed of a motor, a transmission shaft, a driving gear, a winding roller and a driven gear, the motor is fixedly mounted on the top front end of the mounting plate, the output shaft of the motor is fixedly connected with the front end of the transmission shaft rotatably mounted on the bottom of the storage box, the front and rear ends of the transmission shaft are respectively fixedly mounted with driving gears, a winding roller is arranged just above the transmission shaft, and the winding roller is rotatably mounted on the inner middle part of the storage box, the front and rear ends of the roller shaft of the winding roller are respectively fixedly mounted with driven gears, the teeth of the driven gear are respectively meshed with the teeth on the driving gear, the outer middle part of the winding roller is fixedly connected with the left end of the safety net, and a plurality of connecting lock buckles are equidistantly arranged at the front and rear ends and the right end of the safety net.

[0005] As a preferred technical solution of the utility model, the upper and lower edges of the storage groove are respectively provided with arc chamfers. The arc chamfers provided on the upper and lower edges of the storage groove can enhance the strength and durability of the storage groove.

[0006] As a preferred technical solution of the utility model, the connecting lock is composed of a lock fastener, a gusset plate and a fixing nut. The lock fastener is a U-shaped structure. The lock fastener is equidistantly mounted on the front and rear ends and the right end of the safety net. The ends of the lock fastener are movably mounted with gusset plates. The ends of the lock fastener are welded with threaded rods, and fixing nuts are threadedly mounted on the threaded rods. The lock fastener can be equidistantly mounted on the front and rear ends and the right end of the safety net, making the adjustment of the safety net more flexible and can be quickly adjusted according to actual needs. In addition, the gusset plate is mounted behind the lock fastener and the fixing nut is connected to the lock fastener, which can better control the tightness of the safety net and prevent accidental slippage or falling off.

[0007] As a preferred technical solution of the utility model, it also includes mounting holes, wherein two groups of mounting holes are provided, and the mounting holes are respectively and symmetrically arranged at the front and rear ends of the mounting plate, so as to facilitate the mounting and fixing of the mounting plate on various structures.

[0008] As a preferred technical solution of the utility model, a controller is further included, the controller is arranged on the front top of the storage box, the output end of the controller is electrically connected to the input end of the motor, and the input end of the controller is electrically connected to the output end of the external power supply. It is convenient for the user to control the action of the motor through the controller, and then control the operation of the adjustment unit to achieve the tightness adjustment of the safety net.

[0009] Beneficial effects of the utility model: the utility model drives the transmission shaft to rotate through the operation of the motor, thereby driving the driving gear to rotate, the driving gear is meshed with the driven gear, the driven gear can drive the winding roller to rotate, the rotation of the winding roller will further drive the safety net to roll up or unfold, thereby realizing the tightness adjustment of the safety net;

[0010] The lock fastener can be equidistantly installed at the front and rear ends and the right end of the safety net, making the adjustment of the safety net more flexible and allowing for quick adjustment according to actual needs. The gusset plate is movably installed on the lock fastener to form a "ring" structure, which can be easily connected to an external fence or handrail. Finally, the fixing nuts are installed on the lock fasteners to complete the fixation.

[0011] In summary, the safety net with adjustable tightness fixes the mounting plate to the area to be protected by external bolts, and then adjusts the rotation of the motor through the controller to rotate the winding roller and tighten or loosen the safety net. The design of the connecting lock ensures the stability of the safety net, and the design of the storage and release groove allows the safety net to be easily stored and released, making the safety net highly practical in actual applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the connecting lock structure of the utility model.

[0016] In the figure: 1 mounting plate, 2 storage box, 3 controller, 4 storage slot, 5 adjustment unit, 51 motor, 52 transmission shaft, 53 driving gear, 54 winding roller, 55 driven gear, 6 safety net, 7 connecting lock, 71 locking piece, 72 buckle plate, 73 fixing nut, 8 mounting hole. DETAILED DESCRIPTION

[0017] Example 1

[0018] like Figures 1 to 4As shown, the utility model discloses a safety net with adjustable tightness, and the technical scheme adopted is that it comprises a mounting plate 1 and a safety net 6, a storage box 2 is welded on the top of the mounting plate 1, and also comprises mounting holes 8, two groups of mounting holes 8 are provided, and the mounting holes 8 are respectively symmetrically arranged at the front and rear ends of the mounting plate 1, and the safety net 6 is arranged on the inner side of a receiving groove 4, and a receiving groove 4 is provided on the top right side of the storage box 2, and arc chamfers are respectively provided on the upper and lower edges of the receiving groove 4 to prevent the edges of the receiving groove 4 from wearing the safety net 6, and the left end of the safety net 6 is fixedly connected to the adjustment unit 5 arranged inside the storage box 2, and the adjustment unit 5 is composed of a motor 51 and a transmission shaft 52. The storage box 2 is composed of a driving gear 53, a winding roller 54 and a driven gear 55. The motor 51 is fixedly mounted on the top front end of the mounting plate 1. The output shaft of the motor 51 is fixedly connected to the front end of the transmission shaft 52 rotatably mounted on the bottom of the storage box 2. The front and rear ends of the transmission shaft 52 are respectively fixedly mounted with a driving gear 53. A winding roller 54 is arranged just above the transmission shaft 52, and the winding roller 54 is rotatably mounted on the inner middle part of the storage box 2. The front and rear ends of the roller shaft of the winding roller 54 are respectively fixedly mounted with a driven gear 55. The teeth of the driven gear 55 are respectively meshed with the teeth on the driving gear 53. The motor 51 is operated to drive the transmission shaft 52 to rotate, thereby driving the driving gear 53 to rotate. The driving gear 53 is meshed with the driven gear 55, and the driven gear 55 can drive the winding roller 54 to rotate. The rotation of the winding roller 54 will further drive the safety net 6 to roll up or unfold, thereby realizing the tightness adjustment of the safety net. The middle part of the outer side of the winding roller 54 is fixedly connected to the left end of the safety net 6. The front and rear ends and the right end of the safety net 6 are equidistantly provided with a plurality of connecting locks 7. The connecting locks 7 are composed of a locking member 71, a buckle plate 72 and a fixing nut 73. The locking member 71 is a U-shaped structure. The locking member 71 is equidistantly installed at the front and rear ends and the right end of the safety net 6. The ends of the locking member 71 are movably provided with buckle plates 72. The locking member The ends of 71 are respectively welded with threaded rods, and fixing nuts 73 are respectively threadedly installed on the threaded rods. Since the locking piece 71 is a U-shaped structure, it is convenient for the staff to put it into the mesh at the edge of the safety net 6, and then the buckle plate 72 is movably installed on the locking piece 71 to form a "ring" structure. This "ring" can be conveniently connected to an external fence or handrail. Finally, the fixing nuts 73 are respectively installed on the locking piece 71 to complete the fixation. It also includes a controller 3, which is arranged on the front top of the storage box 2. The output end of the controller 3 is electrically connected to the input end of the motor 51, and the input end of the controller 3 is electrically connected to the output end of the external power supply.

[0019] The working principle of the utility model is as follows: first, the mounting plate 1 is fixed by passing the mounting holes 8 through the external bolts respectively, so as to ensure that the safety net 6 in the storage box 2 can be stably retracted and released. Then, the motor 51 is controlled by the controller 3 to operate, and the motor 51 drives the transmission shaft 52 to rotate, thereby driving the driving gear 53 to rotate, and the driving gear 53 is meshed with the driven gear 55. The driven gear 55 can drive the winding roller 54 to rotate. The rotation of the winding roller 54 will further drive the safety net 6 to roll up or unfold, thereby realizing the tightness adjustment of the safety net; the safety net When the safety net 6 is unfolded outward, the staff needs to pull the safety net 6; after unfolding, according to the actual environment, the connecting lock 7 is respectively installed to the front and rear ends and the right end of the safety net to fix the safety net 6; because the lock member 71 is a U-shaped structure, it is convenient for the staff to put it into the mesh at the edge of the safety net 6, and then the buckle plate 72 is movably installed on the lock member 71 to form a "ring" structure, which can be conveniently connected to the external fence or handrail. Finally, the fixing nuts 73 are respectively installed on the lock members 71 to complete the fixation.

[0020] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0021] Components not described in detail herein are prior art.

[0022] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A safety net with adjustable tightness, comprising a mounting plate (1) and a safety net (6), characterized in that: A storage box (2) is welded to the top of the mounting plate (1), a storage groove (4) is provided at the top right side of the storage box (2), a safety net (6) is provided inside the storage groove (4), and the left end of the safety net (6) is fixedly connected to an adjustment unit (5) provided inside the storage box (2), the adjustment unit (5) is composed of a motor (51), a transmission shaft (52), a driving gear (53), a winding roller (54) and a driven gear (55), the motor (51) is fixedly installed at the top front end of the mounting plate (1), and the output shaft of the motor (51) is connected to the transmission shaft (52) rotatably installed at the bottom of the storage box (2). The front end is fixedly connected, the front and rear ends of the transmission shaft (52) are respectively fixedly installed with a driving gear (53), a winding roller (54) is arranged directly above the transmission shaft (52), and the winding roller (54) is rotatably installed in the middle of the inner side of the storage box (2), the front and rear ends of the roller shaft of the winding roller (54) are respectively fixedly installed with a driven gear (55), the teeth of the driven gear (55) are respectively meshed with the teeth on the driving gear (53), the outer middle part of the winding roller (54) is fixedly connected with the left end of the safety net (6), and the front and rear ends and the right end of the safety net (6) are respectively equidistantly provided with a plurality of connecting lock buckles (7).

2. The safety net with adjustable tightness according to claim 1, characterized in that: The upper and lower edges of the storage groove (4) are respectively provided with arc chamfers.

3. The safety net with adjustable tightness according to claim 1, characterized in that: The connecting lock (7) is composed of a lock member (71), a buckle plate (72) and a fixing nut (73). The lock member (71) is a U-shaped structure. The lock member (71) is movably installed at the front and rear ends and the right end of the safety net (6) at equal distances. The ends of the lock member (71) are movably fitted with a buckle plate (72). The ends of the lock member (71) are respectively welded with a threaded rod, and the threaded rod is respectively threadedly installed with a fixing nut (73).

4. The safety net with adjustable tightness according to claim 1, characterized in that: It also includes mounting holes (8), wherein two groups of mounting holes (8) are provided, and the mounting holes (8) are symmetrically arranged at the front and rear ends of the mounting plate (1).

5. The safety net with adjustable tightness according to claim 1, characterized in that: It also includes a controller (3), which is arranged on the front top of the storage box (2), the output end of the controller (3) is electrically connected to the input end of the motor (51), and the input end of the controller (3) is electrically connected to the output end of an external power supply.

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