Safety net impact test performance detection equipment

Abstract

The utility model discloses safety net impact test performance detection equipment, and relates to the technical field of safety net impact detection. The device comprises a detection seat, the top surface of the detection seat is fixedly provided with an L-shaped frame, the top surface of the L-shaped frame is fixedly provided with a plurality of groups of tower bodies, the top surface of the detection seat and the top ends of the tower bodies are provided with lifting mechanisms, and the end parts of the lifting mechanisms are fixedly provided with electromagnets. According to the safety net, residual impact force generated after an iron heavy object penetrates through the safety net can be effectively absorbed through the buffering and energy absorbing assembly located below the L-shaped frame, the iron heavy object is prevented from damaging the ground, meanwhile, the risk of bouncing or secondary impact is reduced, and safety of operators and the surrounding environment of equipment is guaranteed; the tension and stress conditions of the safety net are monitored in real time through the tension sensor, the impact resistance, penetration resistance, connecting point strength, abrasion conditions and the like of the safety net are comprehensively evaluated, and the comprehensive performance detection requirements in different application scenes are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety net impact detection technical field, concretely relates to a safety net impact test performance detection equipment. BACKGROUND

[0002] In the modern safety protection field, as a kind of key protective facilities, safety net is widely used in construction site, stadium, ship and various scenes, to prevent personnel falling, object splashing and as temporary isolation barrier etc., however, with the increasing complexity of use environment and the continuous improvement of safety standard, more stringent requirements are put forward for the performance detection of safety net.

[0003] The existing safety net impact test performance detection equipment in practical application, after heavy object impacts safety net and penetrates, due to the action of residual impact force, heavy object can cause damage to ground, there is the risk of bouncing or secondary impact simultaneously, and it constitutes security risk to operating personnel and equipment surrounding environment.

[0004] Therefore, a safety net impact test performance detection equipment is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of safety net impact test performance detection equipment, and the purpose is to solve the problems raised in the above background art.

[0006] The utility model discloses the following technical scheme in order to achieve the above purpose specifically adopts:

[0007] A safety net impact test performance detection equipment, including detection seat, the top surface of the detection seat is fixedly installed with L-shaped frame, the top surface of L-shaped frame is fixedly installed with several groups of tower body, the top of the tower body is provided with lifting mechanism, the end of the lifting mechanism is fixedly installed with electromagnet, iron weight is adsorbed on electromagnet by magnetic force, the inner side of the detection seat and below L-shaped frame is provided with buffer energy-absorbing component, the inner wall of L-shaped frame and at four corners are fixedly installed with right-angle mounting seat, the inside of right-angle mounting seat is fixedly installed with tension sensor, the detection end of tension sensor is fixedly connected with mounting ring, to fix safety net in L-shaped frame by four groups of mounting ring.

[0008] Further, the detection seat includes metal frame, and the surface of one side of metal frame is fixedly installed with ladder, the inner wall of metal frame is fixedly installed with two groups of metal net located at the two sides of L-shaped frame.

[0009] Further, the lifting mechanism comprises a seat body fixedly installed at the top end of the tower body, a plurality of groups of first side plates are fixedly installed on the seat body, pulleys are rotatably installed on the first side plates, second side plates are fixedly installed on the top surface of the detection seat, an electromotor is fixedly installed on the surface of one second side plate, a winding wheel is fixedly connected to the output end of the electromotor, a rope is wound on the surface of the winding wheel, and an electromagnet is fixedly connected to the end of the rope.

[0010] Further, the buffer energy absorption assembly comprises a plurality of groups of damping rods arranged in a rectangular array and fixedly installed at the top of the inner side of the detection seat, and a buffer plate is fixedly installed at the bottom end of the damping rod, the surface of the damping rod is sleeved with the buffer plate, and the two ends of the buffer plate are fixedly connected with the opposite surfaces of the detection seat and the buffer plate.

[0011] Further, the lifting mechanism is located above the opening at the top end of the L-shaped frame, and the buffer plate is located below the opening of the L-shaped frame.

[0012] Further, the surface of the right-angle mounting seat is provided with a mounting groove, and the tension sensor is fixedly installed in the mounting groove on the surface of the right-angle mounting seat.

[0013] The beneficial effects of the utility model are as follows:

[0014] The winding wheel and the rope system driven by the electromotor can accurately control the lifting height of the iron weight, so that the accurate impact force simulation of the safety net is realized, and the reliability and accuracy of the detection result are improved.

[0015] The buffer energy absorption assembly located below the L-shaped frame can effectively absorb the residual impact force of the iron weight after penetrating the safety net, prevent the iron weight from damaging the ground, reduce the risk of bouncing or secondary impact, and ensure the safety of the operating personnel and the surrounding environment of the equipment.

[0016] The tension sensor can monitor the tension and stress of the safety net in real time, comprehensively evaluate the impact resistance, penetration resistance, connection point strength and wear of the safety net, and meet the comprehensive performance detection requirements in different application scenarios. DRAWINGS

[0017] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 is a front view of the utility model;

[0019] Figure 3 is an enlarged view of A part of the utility model Figure 2 ;

[0020] Figure 4 is a partial view of the lifting mechanism of the utility model;

[0021] Figure 5 is a schematic view of the detection seat of the utility model;

[0022] Figure 6 is the B part of the utility model Figure 5 enlarged view;

[0023] Reference signs: 1, detection seat; 101, metal frame; 102, ladder stand; 103, metal net; 2, L-shaped frame; 3, tower body; 4, lifting mechanism; 401, seat body; 402, first side plate; 403, pulley; 404, second side plate; 405, motor; 406, winding wheel; 407, rope; 5, electromagnet; 6, iron weight; 7, buffer energy-absorbing assembly; 701, damping rod; 702, spring; 703, buffer plate; 8, right-angle mounting seat; 9, tension sensor; 10, mounting ring. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0026] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the embodiments of the utility model, it should be noted that the orientation or position relationship indicated by the terms "inner", "outer", "upper" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0028] As Figures 1 to 6As shown, a safety net impact test performance detection device, including detection seat 1, the top surface of detection seat 1 is fixedly installed with L-shaped frame 2, the top surface of L-shaped frame 2 is fixedly installed with several groups of tower body 3, the top surface of detection seat 1 and the top end of tower body 3 are provided with lifting mechanism 4, the end of lifting mechanism 4 is fixedly installed with electromagnet 5, electromagnet 5 is magnetically adsorbed with ferrous weight 6, the inner side of detection seat 1 and below L-shaped frame 2 is provided with buffer energy-absorbing assembly 7, the inner wall of L-shaped frame 2 and at four corners is fixedly installed with right-angle mounting seat 8, right-angle mounting seat 8 is fixedly installed with tension sensor 9 in the inside, the detection end of tension sensor 9 is fixedly connected with mounting ring 10, so as to fix the safety net in L-shaped frame 2 through four groups of mounting ring 10. More specifically, detection seat 1 serves as the basis of the whole device, supporting L-shaped frame 2, tower body 3 and other components, the safety net is fixed through the mounting ring 10 at the end of the tension sensor 9 at the four corners of L-shaped frame 2, ensuring the stable installation of the safety net during the test process, and the stress condition of the safety net can be monitored in real time, the ferrous weight 6 is lifted to a certain height through lifting mechanism 4 and electromagnet 5, then the ferrous weight 6 is released by de-energizing electromagnet 5, simulating the impact on the safety net, the buffer energy-absorbing assembly 7 below L-shaped frame 2 is used to absorb the remaining impact force of the ferrous weight 6 after penetrating the safety net for buffering, protecting the ground and other equipment.

[0029] Detection seat 1 includes metal frame 101, and one side surface of metal frame 101 is fixedly installed with ladder 102, the inner wall of metal frame 101 is fixedly installed with two groups of metal nets 103 located on both sides of L-shaped frame 2. More specifically, metal frame 101 provides the structural strength and stability of the whole device, and ladder 102 facilitates the maintenance and operation of the device by the operator.

[0030] Lifting mechanism 4 includes seat body 401 fixedly installed at the top end of tower body 3, a plurality of groups of first side plates 402 are fixedly installed on seat body 401, pulleys 403 are rotatably installed on first side plates 402, second side plates 404 are fixedly installed on the top surface of detection seat 1, an electric motor 405 is fixedly installed on the surface of one side second side plate 404, a winding wheel 406 is fixedly connected to the output end of electric motor 405, a rope 407 is wound on the surface of winding wheel 406, and electromagnet 5 is fixedly connected to the end of rope 407. More specifically, seat body 401 and first side plates 402 provide installation and support for pulleys 403, pulleys 403 guide the direction of rope 407, so that ferrous weight 6 can be vertically and stably lifted and lowered, electric motor 405 drives winding wheel 406 to rotate, realizing the winding and unwinding of rope 407, controlling the lifting of ferrous weight 6 through the winding and unwinding of rope 407, and realizing the control of the vertical release height of ferrous weight 6.

[0031] The buffer energy-absorbing assembly 7 comprises a plurality of damping rods 701 arranged in a rectangular array and fixedly installed on the inner top of the detection seat 1, and the bottom end of the damping rod 701 is fixedly installed with a buffer plate 703, the surface of the damping rod 701 is sleeved with the buffer plate 703, and the two ends of the buffer plate 703 are fixedly connected with the detection seat 1 and the opposite surface of the buffer plate 703 respectively. More specifically, the damping rod 701 and the spring 702 jointly act, when the iron weight 6 penetrates through the safety net, the buffer plate 703 is impacted, the damping effect of the damping rod 701 and the elastic deformation of the spring 702 are used to absorb and dissipate the residual impact energy, so that the ground and equipment are protected from being damaged.

[0032] The lifting mechanism 4 is located above the opening at the top end of the L-shaped frame 2, and the buffer plate 703 is located below the opening of the L-shaped frame 2. More specifically, it is ensured that the iron weight 6 can accurately hit the safety net after being released, and the buffer plate 703 can timely and effectively absorb the impact force of the iron weight 6 after penetrating through the safety net, so as to avoid damage caused by the iron weight 6 directly hitting the ground.

[0033] The surface of the right-angle mounting seat 8 is provided with a mounting groove, and the tension sensor 9 is fixedly installed in the mounting groove on the surface of the right-angle mounting seat 8. More specifically, the mounting groove provides a stable mounting position for the tension sensor 9, which can accurately measure the stress condition of the safety net during the test, and provide reliable data support for evaluating the performance of the safety net.

[0034] In summary: the detection seat 1 serves as the basis of the whole device, supporting the L-shaped frame 2, the tower body 3 and other components, the safety net is fixed by the tension sensor 9 at the end of the mounting ring 10 in the right-angle mounting seat 8 at the four corners in the L-shaped frame 2, so as to ensure the stable installation of the safety net during the test, and the stress condition of the safety net can be monitored in real time, the iron weight 6 is lifted to a certain height by the lifting mechanism 4 and the electromagnet 5, and then the iron weight 6 is released by the electromagnet 5, so as to simulate the impact on the safety net, and the buffer energy-absorbing assembly 7 located below the L-shaped frame 2 is used to absorb the residual impact force of the iron weight 6 after penetrating through the safety net for buffering, so as to protect the ground and other equipment.

[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A safety net impact test performance detection apparatus, characterized by, The utility model provides a kind of safety net detection device, including detection seat (1), the top surface of the detection seat (1) is fixedly installed with L-shaped frame (2), the top surface of L-shaped frame (2) is fixedly installed with several groups of tower body (3), the top end of the top surface of the detection seat (1) and tower body (3) is provided with lifting mechanism (4), the end of the lifting mechanism (4) is fixedly installed with electromagnet (5), iron weight (6) is adsorbed on electromagnet (5) by magnetic force, the inner side of the detection seat (1) and below L-shaped frame (2) is provided with buffer energy-absorbing component (7), the inner wall of the L-shaped frame (2) and at four corners are fixedly installed with right-angle mounting seat (8), right-angle mounting seat (8) is fixedly installed with tension sensor (9) in the inside, the detection end of tension sensor (9) is fixedly connected with mounting ring (10), to be fixed in L-shaped frame (2) by four groups of mounting ring (10) to safety net.

2. The safety net impact test performance detection apparatus according to claim 1, wherein The detection seat (1) includes a metal frame (101), and a ladder (102) is fixedly installed on one side surface of the metal frame (101), and two groups of metal nets (103) are fixedly installed on the inner walls of the metal frame (101) on both sides of the L-shaped frame (2).

3. The safety net impact test performance detection apparatus according to claim 1, wherein The lifting mechanism (4) includes a seat body (401) fixedly installed on the top end of the tower body (3), a plurality of first side plates (402) are fixedly installed on the seat body (401), a pulley (403) is rotatably installed on the first side plate (402), a second side plate (404) is fixedly installed on the top surface of the detection seat (1), a motor (405) is fixedly installed on one surface of the second side plate (404), a winding wheel (406) is fixedly connected to the output end of the motor (405), a rope (407) is wound on the surface of the winding wheel (406), and the electromagnet (5) is fixedly connected to the end of the rope (407).

4. The safety net impact test performance detection apparatus according to claim 1, wherein The buffer energy-absorbing component (7) includes a plurality of damping rods (701) fixedly installed on the inner top side of the detection seat (1) in a rectangular array, and a buffer plate (703) is fixedly installed on the bottom end of the damping rod (701), the damping rod (701) is sleeved with the buffer plate (703), and the two ends of the buffer plate (703) are fixedly connected with the opposite surfaces of the detection seat (1) and the buffer plate (703), respectively.

5. The safety net impact test performance detection apparatus according to claim 4, wherein The lifting mechanism (4) is located above the opening at the top end of the L-shaped frame (2), and the buffer plate (703) is located below the opening of the L-shaped frame (2).

6. The safety net impact test performance detection apparatus according to claim 1, wherein The surface of the right-angle mounting seat (8) is provided with a mounting groove, and the tension sensor (9) is fixedly installed in the mounting groove on the surface of the right-angle mounting seat (8).

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