Search

KR-102961135-B1 - Snow-Melting Agent Spreading Apparatus Expandable and Contractible by Dual Actuators and Snow Removal Vehicle Including the Same

KR102961135B1KR 102961135 B1KR102961135 B1KR 102961135B1KR-102961135-B1

Abstract

The present invention relates to a de-icing agent spraying device, and more specifically, to a de-icing agent spraying device that can significantly increase the retractable length while remaining compact by using a dual actuator, and a de-icing agent spraying vehicle including the same. To this end, the invention comprises: a frame (130) fixed to one side of a de-icing agent spraying vehicle (100); an upper housing (137) installed so as to be rotatable with respect to the frame (130); a fixed chute (170) with one end fixedly installed on the upper housing (137); an operating chute (180) with one end connected to the fixed chute (170) and extending from the fixed chute (170) or contracting toward the fixed chute (170); a lower housing (160) installed at the other end of the operating chute (180); and a spreader (150) installed on the lower housing (160) to spray the conveyed de-icing agent. It includes a first actuator (210) in which the piston rod of the first actuator (210) is connected to an upper housing (137); and a third actuator (230) in which the piston rod of the third actuator (230) is connected to a lower housing (160); and the de-icing agent falls into a spread (150) through the interior of a fixed chute (170) and an operating chute (180), and the first actuator (210) and the third actuator (230) are combined.

Inventors

  • 정 상 열
  • 김 강 욱
  • 양 정 호
  • 윤 종 대

Assignees

  • 한국도로공사
  • 주식회사 동일인더스트리

Dates

Publication Date
20260508
Application Date
20250807

Claims (10)

  1. A frame (130) fixed to one side of a snow removal spraying vehicle (100); An upper housing (137) installed to be rotatable with respect to the above frame (130); A fixed chute (170) that is fixedly installed on the upper housing (137); One end is connected to the fixed suit (170), and the operating suit (180) extends from the fixed suit (170) or contracts toward the fixed suit (170); A lower housing (160) installed at the other end of the above-mentioned operating chute (180); A spreader (150) installed in the lower housing (160) for spreading the de-icing agent transferred thereto; The first actuator (210) having a piston rod connected to the upper housing (137); The second actuator (220) having a piston rod of the second actuator (220) connected to the upper housing (137); and The third actuator (230) having a piston rod connected to the lower housing (160); The above-mentioned de-icing agent falls into the spread (150) through the interior of the fixed chute (170) and the operating chute (180), and A de-icing agent spraying device extendable with a dual actuator, characterized in that the first actuator (210) and the third actuator (230) are combined.
  2. In Article 1, A de-icing agent spraying device extendable with a dual actuator, characterized by further including a control unit (300) that independently controls the first actuator (210) and the third actuator (230).
  3. delete
  4. In Article 1, The third actuator (230) is disposed between the first actuator (210) and the second actuator (220), and A de-icing agent spraying device extendable with a dual actuator, characterized in that the first, second, and third actuators (210, 220, 230) are integrally combined.
  5. In Article 1, A de-icing agent spreading device extendable with a dual actuator, characterized in that the first, second, and third actuators (210, 220, 230) are pneumatic cylinders or hydraulic cylinders.
  6. In Article 1, A de-icing agent spraying device extendable by a dual actuator, characterized in that the above-mentioned operating chute (180) is a telescopic operating chute (180) divided into 3 to 5 sections.
  7. In Article 1, A de-icing agent spraying device extendable with a dual actuator, characterized in that the length between the upper housing (137) and the lower housing (160) extends in the range of 900 to 1,400 mm.
  8. A de-icing agent spraying vehicle characterized by having a de-icing agent spraying device according to any one of claims 1, 2, 4 to 7.
  9. In Article 8, A camera (380) for photographing the above-mentioned snowmelt spraying device; and A snow removal spraying vehicle further comprising a display (360) that displays an image of the above camera (380) to the driver.
  10. In Article 8, A snow removal spraying vehicle characterized by the above-mentioned snow removal spraying device being installed at the rear of the snow removal spraying vehicle.

Description

Snow-Melting Agent Spreading Apparatus Expandable and Contractible by Dual Actuators and Snow Removal Vehicle Including the Same The present invention relates to a de-icing agent spraying device, and more specifically, to a de-icing agent spraying device that can significantly increase the extendable length while remaining compact by using a dual actuator, and a de-icing agent spraying vehicle including the same. It is a well-known fact that in areas with heavy snowfall, de-icing agents are sprayed immediately upon snowfall to prevent the roads from becoming icy due to the freezing of snow, and to increase the efficiency of de-icing agent spraying, sprayers are mounted on the cargo bed of vehicles to spray. FIG. 1 is a drawing of a conventional de-icing agent spreading device when it is in a down state, and FIG. 2 is a drawing of a conventional de-icing agent spreading device when it is in an up state. As shown in FIG. 1 and FIG. 2, the conventional de-icing agent spreading device was structured such that de-icing agent supplied from a loading box (70) fell onto a spread (40) through a fixed chute (20) and an operating chute (30). Then, the spread (40) rotated and dispersed the de-icing agent around it. An actuator (60) is used to adjust the spreading radius by adjusting the direction of incidence of the falling de-icing agent entering the spread (40). However, such conventional de-icing agent spraying devices had the following inconveniences. First, the operator had to extend and retract the operating chute (30) to adjust the distance from the road surface. Therefore, the de-icing agent had to be sprayed continuously with a fixed distance from the road surface, and the extension length of the operating chute (30) could not be adjusted while driving. Consequently, when the vehicle encountered a speed bump while driving, the operator would stop, get out of the vehicle, raise the spraying device, and then lower the spraying device again after passing over the speed bump. In addition, when the vehicle is operating without spraying de-icing agent, it is operated with the spraying device bent upward (up state) as shown in Fig. 2. When spraying of the de-icing agent is initiated from the state shown in Fig. 2, the spraying device is rotated downward (down state) as shown in Fig. 1. However, the transition between the down state of the spraying device as shown in Fig. 1 and the up state as shown in Fig. 2 was performed entirely manually by the operator. Therefore, every time, the operator had to get out of the vehicle, move to the rear, and then switch between the down state and the up state. The operation of adjusting the extension length of the conventional operating suit (30) and switching between the down state and the up state was performed frequently by the worker manually, and the fatigue and difficulty of the work were high because it was performed during the winter season. In particular, recently, there has been an increasing number of cases where de-icing agents are spread in advance at night or at dawn when snowfall is forecast. These working conditions and the frequent manual labor required by workers have led to increased spreading times and delays, often preventing the rapid application of de-icing agents. In addition, conventional sprayers could not use the hook (towing device) located at the rear of the vehicle, which caused significant difficulties in towing or connecting to special vehicles (shock absorbers, etc.), and when the sprayer was in an upright state, the display board was obscured by the sprayer, making it impossible to perform the display board function smoothly. The following drawings attached to this specification illustrate preferred embodiments of the present invention and serve to further enhance understanding of the technical concept of the present invention together with the detailed description of the invention provided below; therefore, the present invention should not be interpreted as being limited only to the matters described in such drawings. FIG. 1 is a drawing of a conventional de-icing agent spreading device when it is in a down state. FIG. 2 is a drawing of a conventional de-icing agent spraying device when it is in the up state. FIG. 3 is a drawing of a snowmelt spraying vehicle (100) equipped with a snowmelt spraying device extendable by a dual actuator according to the present invention. FIG. 4a is a front view of the de-icing agent sprayer shown in FIG. 3 when it is in a contracted and down state. FIG. 4b is a side view of FIG. 4a, FIG. 5a is a front view of the de-icing agent sprayer shown in FIG. 3 when it is in an extended and down state. FIG. 5b is a side view of FIG. 5a, FIG. 6a is a side view of the de-icing agent sprayer shown in FIG. 3 when it is in a contracted and up state. FIG. 6b is a side view of the de-icing agent sprayer shown in FIG. 3 when it is in an extended and up state. FIG. 7 is a schematic diagram of a de-icing agent spraying device extendab