JP3345583B2 - Snow scraper auger for snow blower - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snow-absorbing auger, in which a snow-absorbing auger is inserted into a horizontal axis of the snow-absorbing auger so that snow is not attached to the horizontal axis. The present invention relates to a snow scraper auger for a snowplow.

[0002]

2. Description of the Related Art Conventionally, a snow plow equipped with a helical blade mounted on a front part of a body through a plurality of columns on an outer periphery of a horizontal shaft, and having a snow scraping auger for scraping snow while rotating and sending the snow to a blower is known. Are known.

[0003] In the snow auger of the above conventional snow removing machine, depending on the snow quality to be removed, for example, snow having a large amount of water, the snow adheres to the horizontal axis and becomes a dumping state, resulting in a large resistance. Removes attached snow.

[0004]

As described above, when snow adheres to the horizontal axis to form a dumpling, not only the resistance becomes large and the required power increases, but also the work efficiency decreases.
It was necessary to interrupt the snow removal work and remove the attached snow manually. The present invention has been made to solve the above problems.

[0005]

According to the present invention, a helical blade is mounted on a front portion of a fuselage through a plurality of columns around an outer periphery of a horizontal shaft, and the snow is scraped while rotating. A snow removing machine equipped with a snow scraping auger fed into the blower by inserting a ring body rotatable around the horizontal axis by rotation of the snow scraping auger on the horizontal axis between the columns. And

[0006]

According to the above construction, the snow-removing auger of the snow removing machine of the present invention can freely rotate around the horizontal axis by rotating the snow-removing auger on the horizontal axis between the columns of the snow-removing auger. The fitted ring body prevents snow from adhering to the horizontal axis even when snow having a large amount of water is removed, so that efficient snow removal can be performed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 3
In the figure, reference numeral 1 denotes a walking type snow plow.
Is equipped with a pair of left and right crawler traveling devices 3 on the lower side of the base 2, mounts the engine 4 and a hydraulic device on the base 2, and has a hydraulic stepless A transmission (transmission mechanism) 6 including a transmission (HST) 5 is mounted, and a bar-type steering handle 7 is provided above the transmission.
And a control unit 8. An operation panel 8a having a length substantially equal to the body width of the control unit 8 is provided with various operation devices described later. On the front side of the base 2, a snow removing section (auger section) 9 capable of vertical movement adjustment (or floating) and rolling control, and snow that extends upward from the snow removing section 9 and is scraped into the snow removing section 9. A snow throwing chute 10 in which the direction and the snow throwing distance can be adjusted is provided, and the snow removing work is performed together with the forward running of the aircraft.

The transmission 6 is continuously variable by a hydraulic continuously variable transmission 5 and a transmission gear. The transmission is connected and disconnected via a side clutch and a differential device to continuously change the speed of the crawler traveling devices 3 and 3. To run.
In addition, a brake device is provided in connection with the differential device. As shown in FIG. 4, an operator who operates the operation panel 8 a at the right side in the length direction (almost at the center) may be operated by a snow removal unit 9. The side clutch, the differential mechanism, and the brake are operated by the left and right tilting operation of the snow removing unit lifting / lowering and the body left / right turning lever 11 disposed at a position where the side of the body can be easily seen. A spin turn (super pivot) is performed when the lever 11 is strongly tilted.

The base 2 on which the engine 4 and the hydraulic device are mounted has a front end side as a free end, and a rear end portion via a pair of left and right support stays 12, a transmission 6, a steering handle 7, and a steering section 8. And is pivotably mounted on the front end of the base 2 supporting the crawler traveling devices 3 and 3 so as to be vertically rotatable, and is interposed between the support member of the crawler traveling devices 3 and 3 and the base 2. Up and down movement (elevation and lowering) is possible by the expansion and contraction operation of a hydraulic cylinder (not shown). The expansion / contraction operation of the hydraulic cylinder, that is, the raising / lowering operation of the snow removing unit 9 is performed by the forward / backward tilting of the snow removing unit lifting / lowering left / right turning operation lever 11. When the hydraulic cylinder is set free, the snow removing section 9 performs the snow removing operation in a floating state.

The rear left and right central portions of the snow removing section 9 are supported at the front left and right central portions of the base 2 via a rotation supporting portion 13 so as to be able to turn left and right. Is transmitted to the snow removing section 9 side, and the snow removing section 9 is driven. A hydraulic cylinder (not shown) is interposed between the rotation support section 13 and the base 2, and the snow removing section 9 and the snow throwing chute 10 are controlled to rotate left and right (rolling) by the expansion and contraction operation of the hydraulic cylinder. The expansion / contraction operation of the hydraulic cylinder is performed by a snow removal section rolling operation lever 14 provided on the operation panel 8a.
The operation is performed by switching a solenoid valve (not shown) by an automatic / manual switching lever (not shown).

The switching of expansion and contraction and free operation of the hydraulic cylinder for rotating the snow removing section 9 right and left is performed by the automatic / manual switching lever so that the rolling of the snow removing section 9 is switched between automatic and manual. Then, when the rolling of the snow removing section 9 is switched to manual, the rolling of the snow removing section 9 is controlled by tilting the snow removing section rolling manual operation lever 14 in the left-right direction. Further, even when the rolling control of the snow removing section 9 is set to the automatic horizontal state, the manual operation by the snow removing section rolling control dial 15 is possible, and when the manual operation is released, the snow removing section 9 returns to the automatic horizontal state, and the snow removing section 9 returns. An automatic level control device capable of performing automatic level control even when the rolling control of No. 9 is controlled to an inclined state is provided. All of these controls are performed in connection with the electronic control circuit.

The snow removing section 9 has a lower auger and an upper auger, and rakes the opposing snow with the advancing body and collects the collected snow at the center from both left and right sides, and a blower 16 provided at the left and right middle rear of the lower auger. Snow is thrown upward through the snow throwing chute 10. In addition, snow throw chute 1
0 changes the snow throwing direction by rotating the chute turning portion 10a, and adjusts the snow throwing distance by changing the vertical angle of the head by the snow throwing distance adjusting mechanism 10b. Grounding sleds 17 are provided at both left and right ends of the snow removing section 9, and when the rolling of the snow removing section 9 is set to automatic, the snow removing section 9 moves in a ground contact state or a snow contact state.

The chute rotating portion 10a of the snow throwing chute 10
The operation of the snow throwing distance adjusting mechanism 10b is performed by the snow throwing distance / direction adjusting switch 1 provided at the top (or near the top) of the snow removing section elevating / lowering left / right turning lever 11 described above.
8, the snow throwing distance adjusting mechanism 10b is operated when tilted to one side in the left and right direction, and the snow throwing distance is operated when the tilt is made to the other side in the left and right direction. Each is adjusted.

The control unit 8 includes a snow removal clutch 19 for connecting and disconnecting power to a lower auger, an upper auger, and a blower 16 of the snow removal unit 9, a throttle lever 20 for controlling the rotation speed of the engine 4, and an engine 4. Transmission 6
Power is turned on and off, and running by crawlers 3 and 3 is turned on.
A traveling clutch 21 that is turned off, a speed adjusting lever 22 that switches the rotational speed of the body forward / reverse, and a snow removal unit at a continuously variable speed, an emergency stop switch 23, and the like are provided. An emergency stop lever 24 is provided below the steering handle 7, and a light 25 is provided above the center of the fuselage.

As shown in FIG. 5, the speed adjusting lever 22 is connected to a transmission rod 26 of the transmission 6 and also to a link lever 5a of the continuously variable hydraulic transmission 5 by a link rod 27.
Is provided with a spring cylinder (cylinder mechanism) 28 whose length changes when a predetermined pressure or more is applied. When a pivot turn or super pivot turn operation is performed while the body is running at a high speed, no hydraulic pressure is applied. The length of the link rod 27 is changed by operating the spring cylinder 28 by the operation reaction force of the step transmission 5.

As shown in FIG. 6, the snow auger 29 of the lower auger and upper auger 29 of the snow removing section 9 is mounted on the horizontal shaft 3.
The spiral blade 31 is attached to the outer periphery of the cylinder 0 via three columns 32, and while rotating, scrapes snow and sends it to the blower 16. And in this invention, the support | pillar 32,3
Ring bodies 33 that can freely rotate around the horizontal shaft 30 by the rotation of the auger 29 are fitted into the horizontal shafts 30 between the two. The snow scraping augers 29 are provided in pairs on both sides of the blower 16.

In the walking snow remover 1 having such a configuration, the motive power from the engine 4 is transmitted to the transmission 6 and the snow remover 9 by operating various operating devices in the control unit 8, and the two hydraulic devices are used. The cylinder, the chute rotating unit 10a, the snow throwing distance adjusting mechanism 10b, and the like are controlled. Then, the crawler 3 is driven and the machine body travels, and the snow removing section 9 and the snow throwing chute 10 perform snow removing and snow throwing work. During such snow removal work, the aircraft is traveling at a low speed, and a pivot turn or a super pivot turn is performed at a low speed, so that the pilot is not swung.

In the present invention, when the snowplow 1 is running at a high speed without performing the snowplowing operation and the body is pivoted or pivoted, a pressure greater than a predetermined pressure is applied to the link rod 27 in the present invention. Since the spring cylinder 28 which changes in length when it is operated is provided, the vehicle runs at low speed while the aircraft is turning or pivoting, and the danger of the operator being swung by the aircraft is avoided. .

In the snow removing section 9, the snow auger 29 of the lower auger and the upper auger abuts on the outer periphery of the horizontal shaft 30.
The helical blade 31 is mounted via the column 32, and the snow is scraped while rotating, and is sent to the blower 16. In the present invention, the horizontal shaft 30 between the columns 32, 32 Since the ring body 33 that can freely rotate around the horizontal axis 30 by rotation is inserted and inserted, even when removing snow with little moisture as well as snow with a lot of moisture, the horizontal axis of the ring body 33 is rotated by the rotation of the ring body 33. The snow is prevented from adhering to the surface, and efficient snow removal work is performed. Also, there is no large fluctuation in the required power, and a stable snow removal operation is performed. The present invention is not limited to a walking snow plow, but can be applied to a riding snow plow as well.

[0020]

As described above, according to the snow auger of the snow blower of the present invention, a helical blade is mounted on the front part of the body through a plurality of columns on the outer periphery of the horizontal shaft, and the snow is rotated while rotating. Is inserted into the horizontal axis between the struts of the snow auger that scrapes the water and sends it to the blower.A ring body that can freely rotate around the horizontal axis by rotating the snow auger auger is inserted. Needless to say, even when snow with a lot of moisture is removed, the rotation of the ring body prevents the snow from adhering to the horizontal axis, so that an efficient snow removal operation can be performed.
Further, there is no large fluctuation in the required power, and a stable snow removal operation can be continuously performed.

[Brief description of the drawings]

FIG. 1 is a left side view of the entire walking snowplow.

FIG. 2 is a plan view of the same.

FIG. 3 is a right side view of the same.

FIG. 4 is a front view of a control unit.

FIG. 5 is a partial side view of the control unit.

FIG. 6 is a perspective view of a snow scraper auger according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Walking snow remover 2 Base 3 Crawler traveling device 4 Engine 5 Hydraulic continuously variable transmission (HST) 5a Link lever 6 Transmission (transmission mechanism) 7 Steering handle 8 Steering part 8a Operation panel 9 Snow removing part (auger part) 10 Snow throw chute 10a Chute turning part 10b
Snow throwing distance adjusting mechanism 11 Snow removing part elevating / lowering right and left turning lever 12 Support stay 13 Rotating support part 14 Snow removing part rolling operation lever 15 Snow removing part rolling control dial 16 Blower 17 Grounding sled 18 Snow throwing distance / direction adjusting switch 19 Snow removing clutch Reference Signs List 20 throttle lever 21 traveling clutch 22 speed adjusting lever 23 emergency stop switch 24 emergency stop lever 25 light 26 transmission shifting rod 27 link rod 28 spring cylinder 29 snow auger 30 horizontal axis 31 rotating blade 32 support 33 ring body

Claims (1)

(57) [Claims] 1. A snowplow equipped with a snow auger for attaching a helical blade to a front part of a body via a plurality of columns on an outer periphery of a horizontal axis and rotating and squeezing snow to feed the blower to a blower. A snow-plowing auger for a snowplow, wherein a ring that can freely rotate around the horizontal axis by rotation of a snow-plowing auger is inserted into a horizontal axis between columns.