CN213904622U - Device is experienced in safety helmet striking - Google Patents

Abstract

The utility model discloses a safety helmet impact experience device, which comprises a motor, a first intermediate relay, a second intermediate relay, a time relay, a traction electromagnet, an impact ball and a steel wire rope, wherein one end of the steel wire rope is connected with the motor, and the other end of the steel wire rope is connected with the impact ball; the traction rod of the traction electromagnet is connected with the steel wire rope, and the traction electromagnet is electrically connected with the first intermediate relay and used for clamping or loosening the steel wire rope when the first intermediate relay is powered on or powered off; the motor is respectively electrically connected with the second intermediate relay and the time relay and is used for enabling the second intermediate relay to be powered on or powered off when the time set by the time relay is up, and pulling back the steel wire rope. The utility model provides a crash helmet impact experience device, which adopts electric control, and has low manufacturing cost and high control precision; air pipes and air compressors do not need to be arranged, and the air compressor is convenient to use and high in universality.

Description

Device is experienced in safety helmet striking

Technical Field

The utility model relates to an experimental detection technology field especially discloses a device is experienced in safety helmet striking.

Background

In order to accelerate urbanization construction, construction sites are often seen in cities at present, various risks are caused in the construction process, and unexpected injuries are brought to workers. The safety helmet is a common protective measure in a construction site, and can reduce the injury of workers caused by falling objects. Workers in the construction site may react differently when the workers suddenly suffer from falling objects and hit the safety helmet, and may even be frightened excessively and slowly in some cases, so that the subsequent serious danger is difficult to avoid.

The safety helmet impact experiencing device is used for simulating safety helmet impact, and the existing safety helmet impact experiencing device adopts a cylinder and an air compressor to achieve corresponding functions. However, the pipe arrangement is troublesome during the construction process, and an air compressor must be equipped.

Therefore, the device is experienced in current safety helmet striking is that a pipe laying is troublesome and need be equipped with an air compressor machine in the work progress, is a technical problem that awaits the solution urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device is experienced in safety helmet striking aims at solving current safety helmet striking and experiences the technical problem that the device is troublesome and need be equipped with an air compressor machine in the work progress stringing.

The utility model provides a safety helmet impact experience device, which comprises a motor, a first intermediate relay, a second intermediate relay, a time relay, a traction electromagnet, an impact ball and a steel wire rope, wherein one end of the steel wire rope is connected with the motor, and the other end of the steel wire rope is connected with the impact ball; the traction rod of the traction electromagnet is connected with the steel wire rope, and the traction electromagnet is electrically connected with the first intermediate relay and used for clamping or loosening the steel wire rope when the first intermediate relay is powered on or powered off; the motor is respectively electrically connected with the second intermediate relay and the time relay and is used for enabling the second intermediate relay to be powered on or powered off when the time set by the time relay is up, and pulling back the steel wire rope.

Further, first auxiliary relay includes first coil, first normally open contact and first normally closed contact, and second auxiliary relay includes the second coil, second normally open contact and second normally closed contact, and time relay includes third coil and third normally open contact, and the traction electromagnet establishes ties mutually with first normally closed contact, and the motor establishes ties mutually with second normally closed contact, and first normally open contact is connected with first coil and third coil electricity respectively, and second normally open contact establishes ties mutually with the second coil.

Furthermore, device is experienced in safety helmet striking still includes button and first travel switch, and the button is parallelly connected with first normally open contact, and first travel switch is connected with button, first normally open contact and second normally open contact respectively.

Further, the safety helmet impact experiencing device further comprises a second travel switch, and the second travel switch, the second normally closed contact and the motor are connected in series.

Further, the motor is a direct current motor or an alternating current motor.

Further, the alternating current motor is an alternating current permanent magnet synchronous motor, and the model of the alternating current permanent magnet synchronous motor is 68 KTYZ.

Furthermore, the traction electromagnet is a direct current traction electromagnet or an alternating current traction electromagnet.

Further, the AC traction electromagnet is of the type SA-3702 or SA-2602.

Furthermore, the model of the first travel switch and the second travel switch is YBLX-ME/8108.

Further, the time relay is model JS 23A-A.

The utility model discloses the beneficial effect who gains does:

the utility model provides a device is experienced in safety helmet striking according to the in-service use place, simulation safety helmet striking. The method comprises the following steps that a motor, a first intermediate relay, a second intermediate relay, a time relay, a traction electromagnet, an impact ball and a steel wire rope are adopted, the steel wire rope is respectively connected with the motor, the traction electromagnet and the impact ball, and the steel wire rope can be clamped or loosened through the traction electromagnet; the wire rope can be pulled back by the motor. The utility model provides a crash helmet impact experience device, which adopts electric control, and has low manufacturing cost and high control precision; air pipes and air compressors do not need to be arranged, and the air compressor is convenient to use and high in universality.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a crash experience device for a safety helmet according to the present invention;

fig. 2 is a schematic structural diagram of a dc electrical control circuit according to an embodiment of the crash experience device of the present invention;

fig. 3 is the utility model provides a safety helmet striking experiences alternating current electrical control circuit schematic diagram of a device embodiment.

The reference numbers illustrate:

10. a motor; 20. a first intermediate relay; 30. a second intermediate relay; 40. a time relay; 50. a traction electromagnet; 60. striking a ball; 70. a wire rope; 80. a button; 91. A first travel switch; 92. a second travel switch; 21. a first coil; 22. a first normally open contact; 23. a first normally closed contact; 31. a second coil; 32. a second normally open contact; 33. a second normally closed contact; 41. a third coil; 42. and a third normally open contact.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

As shown in fig. 1 to 3, an embodiment of the present invention provides a crash experience device for a safety helmet, including a motor 10, a first intermediate relay 20, a second intermediate relay 30, a time relay 40, a traction electromagnet 50, a crash ball 60 and a wire rope 70, wherein one end of the wire rope 70 is connected to the motor 10, and the other end of the wire rope 70 is connected to the crash ball 60; the traction rod of the traction electromagnet 50 is connected with the steel wire rope 70, and the traction electromagnet 50 is electrically connected with the first intermediate relay 20 and used for clamping or loosening the steel wire rope 70 when the first intermediate relay 20 is powered on or powered off; the motor 10 is electrically connected to the second intermediate relay 30 and the time relay 40, respectively, and is configured to, when the time set by the time relay 40 is up, power is supplied to or lost from the second intermediate relay 30, and the wire rope 70 is pulled back.

Referring to fig. 2 and 3, in the crash-helmet impact-experiencing device provided in this embodiment, the first intermediate relay 20 includes a first coil 21, a first normally-open contact 22 and a first normally-closed contact 23, the second intermediate relay 30 includes a second coil 31, a second normally-open contact 32 and a second normally-closed contact 33, the time relay 40 includes a third coil 41 and a third normally-open contact 42, the traction electromagnet 50 is connected in series with the first normally-closed contact 23, the motor 10 is connected in series with the second normally-closed contact 33, the first normally-open contact 22 is electrically connected with the first coil 21 and the third coil 41, respectively, and the second normally-open contact 32 is connected in series with the second coil 31. The crash experience device further comprises a button 80 and a first travel switch 91, wherein the button 80 is connected in parallel with the first normally open contact 22, and the first travel switch 91 is connected with the button 80, the first normally open contact 22 and the second normally open contact 32 respectively. The helmet crash experience apparatus further comprises a second travel switch 92, the second normally closed contact 33 and the motor 10 being connected in series. The motor 10 is a dc motor or an ac motor. In this embodiment, the ac motor is an ac permanent magnet synchronous motor, and the model of the ac permanent magnet synchronous motor is 68 KTYZ. The traction electromagnet 50 is a direct current traction electromagnet or an alternating current traction electromagnet. The type of the AC traction electromagnet is SA-3702 or SA-2602. The first travel switch 91 and the second travel switch 92 are of the type YBLX-ME/8108. The model of the time relay 40 adopts JS 23A-A.

As shown in fig. 1 and fig. 3, the crash experience device of the safety helmet provided in the present embodiment has the following working principle:

when the power is on, the traction electromagnet 50 is electrified to clamp the steel wire rope 70, and the motor 10 rotates to the upper limit; when the button 80 is pressed, the traction electromagnet 50 loses power, the impact ball 60 is broken down, the time relay 40 is powered on for 3 seconds and then closed, and the motor 10 pulls the impact ball 60 downwards; when the motor 10 touches the lower limit, the motor 10 returns, and the traction electromagnet 50 is electrified while returning to clamp the steel wire rope 70 to prevent the impact ball 60 from falling.

The safety helmet striking experience device that this embodiment provided, according to the in-service use place, the simulation safety helmet striking. The method comprises the following steps that a motor, a first intermediate relay, a second intermediate relay, a time relay, a traction electromagnet, an impact ball and a steel wire rope are adopted, the steel wire rope is respectively connected with the motor, the traction electromagnet and the impact ball, and the steel wire rope can be clamped or loosened through the traction electromagnet; the wire rope can be pulled back by the motor. The safety helmet impact experience device provided by the embodiment adopts electric control, and is low in manufacturing cost and high in control precision; air pipes and air compressors do not need to be arranged, and the air compressor is convenient to use and high in universality.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The safety helmet impact experiencing device is characterized by comprising a motor (10), a first intermediate relay (20), a second intermediate relay (30), a time relay (40), a traction electromagnet (50), an impact ball (60) and a steel wire rope (70), wherein one end of the steel wire rope (70) is connected with the motor (10), and the other end of the steel wire rope (70) is connected with the impact ball (60); the traction rod of the traction electromagnet (50) is connected with the steel wire rope (70), and the traction electromagnet (50) is electrically connected with the first intermediate relay (20) and used for clamping or loosening the steel wire rope (70) when the first intermediate relay (20) is powered on or powered off; the motor (10) is respectively electrically connected with the second intermediate relay (30) and the time relay (40) and is used for enabling the second intermediate relay (30) to be powered on or powered off when the time set by the time relay (40) is up, and pulling back the steel wire rope (70).

2. The headgear impact experience device of claim 1,

the first intermediate relay (20) comprises a first coil (21), a first normally-open contact (22) and a first normally-closed contact (23), the second intermediate relay (30) comprises a second coil (31), a second normally-open contact (32) and a second normally-closed contact (33), the time relay (40) comprises a third coil (41) and a third normally-open contact (42), the traction electromagnet (50) is connected with the first normally-closed contact (23) in series, the motor (10) is connected with the second normally-closed contact (33) in series, the first normally-open contact (22) is respectively electrically connected with the first coil (21) and the third coil (41), and the second normally-open contact (32) is connected with the second coil (31) in series.

3. The headgear impact experience device of claim 2,

the safety helmet impact experiencing device further comprises a button (80) and a first travel switch (91), the button (80) is connected with the first normally-open contact (22) in parallel, and the first travel switch (91) is connected with the button (80), the first normally-open contact (22) and the second normally-open contact (32) respectively.

4. The headgear impact experience device of claim 3,

the helmet impact experiencing device further comprises a second travel switch (92), wherein the second travel switch (92), the second normally closed contact (33) and the motor (10) are connected in series.

5. The headgear impact experience device of claim 3,

the motor (10) is a direct current motor or an alternating current motor.

6. The headgear impact experience device of claim 5,

the alternating current motor is an alternating current permanent magnet synchronous motor, and the model of the alternating current permanent magnet synchronous motor is 68 KTYZ.

7. The headgear impact experience device of claim 3,

the traction electromagnet (50) is a direct current traction electromagnet or an alternating current traction electromagnet.

8. The headgear impact experience device of claim 7,

the type of the alternating current traction electromagnet is SA-3702 or SA-2602.

9. The headgear impact experience device of claim 4,

the first travel switch (91) and the second travel switch (92) are of the type YBLX-ME/8108.

10. The headgear impact experience device of any of claims 1-9,

the model of the time relay (40) is JS 23A-A.

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