JPH0523608Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention facilitates the docking work between the snow removal section and the main body part of the aircraft, and also facilitates the maintenance of the inner part of the connection between the snow removal part and the main body part of the aircraft. This invention relates to a snow removal unit connection structure of a snow removal machine.

(B) Prior Art As shown in FIG. 4, a snow removal section 42 is connected to the front part of a main body section 41 equipped with an engine with a bolt 44 via a transmission casing 43 that constitutes the snow removal section 42. In addition, there has been a snow blower in which the body main body 41 can be rotated around the rear transverse axis together with the snow removal section 42.

(c) Problems to be solved by the invention In this snow blower, the snow removal section 42 is a heavy object for manual work, and the connection point between the snow removal section 42 and the main body section 41 is a simple bolt. 44 connection and the surrounding area is narrow, so docking work between the snow removal section 42 and the main body section 41,
In particular, it took a lot of effort to align each connection part.
Further, since the snow removal section 42 and the main body section 41 are connected through the transmission casing 43, similar problems arise in maintenance of the transmission mechanism located inside the transmission casing 43 and in the vicinity thereof.

It is an object of the present invention to solve such problems and to provide a snow removal part connection structure of a snow removal machine that allows easy docking work and maintenance of the inside of the transmission casing and its vicinity.

(d) Means for Solving the Problems In order to achieve the above object, the present invention, as shown in FIG. Casing 12
The fuselage main body part 1 has a snow removal part 8 around its rear horizontal axis 7.
In a snow blower that can be rotated as one body, sideways pins 24, 24a are fixed at a position below the connection part 22 of either the transmission casing 12 or the body main body part 1, and the other side is connected. latching portions 25, 25a are formed below portion 12a to removably engage with each of the pins 24, 24a;
When the bolts 23... are removed, the snow removal section 8 touches the pin 2.
4 and 24a, and by rotating the snow removal section 8 around the pins 24 and 24a, each connection section 12a and 22 can be positioned at a proper position.

(e) Action To dock the snow removal section 8 to the main body part 1, first rotate the main body part 1 around the horizontal axis 7 to adjust the longitudinal inclination of the main body part 1 as appropriate, and then attach the pin. 24, 24a and the hooking parts 25, 25a are fitted together. Next, the longitudinal inclination of the main body part 1 is changed and adjusted as necessary, and the distance between the upper parts of the connecting parts 12 and 22 of the snow removal part 8 and the main body part 1 is changed as appropriate, and the distance between the upper parts of the connecting parts 12 and 22 of the snow removal part 8 and the main body part 1 is changed as needed. A hand or the like is inserted through the opening to connect the transmission mechanism 14 in and around the transmission casing 12.
After this work, the snow removing part 8 is rotated around the pins 24, 24a to align each connecting part 12a, 22 to the proper position, and finally each connecting part 12a, 2
2 are connected with bolts.

To perform maintenance in and around the transmission casing 12 during normal use after docking, release the bolt connections of each connection part 12a and 22, change the longitudinal inclination of the main body part 1 as appropriate, and An opening is formed between the upper parts of the connecting parts 12a and 22, and the work is performed through the opening.

(f) Examples Hereinafter, specific examples of the present invention will be described based on the drawings.

1 to 3 show a snow blower according to the present invention, and 1 is a main body supported by a traveling device 2, which includes a box-shaped chassis 3, an engine 4, and a transmission mechanism 5.
The main body part 1 is rotatable around a lateral drive shaft 7 located at the rear of the chassis 3 in order to vertically displace a snow removal section to be described later. Lateral drive shaft 7
The power of the engine 4 is transmitted via a transmission mechanism 5 and a transmission mechanism (not shown), etc., and the traveling device 2 is operated by the rotation of this mechanism.

8 is a snow removal section located at the front of the main body section 1;
It consists of an auger 9, an auger casing 10, a blower (not shown), a transmission casing 12 continuous to the blower casing 11, a chute 13, etc., and operates to throw snow shoveled into the blower casing 11 by the auger 9 from the chute 13. .
This snow removal section 8 is connected to the engine 4 of the fuselage main body section 1 via an appropriate transmission mechanism 14 and to the transmission casing 1.
The power is transmitted through 2. That is, in this example, the power of the engine 4 is transmitted to the blower and auger 9 (not shown) via the driving pulley 15 fixed to the output shaft of the engine 4, the transmission belt 16, the driven pulley 17, and the longitudinal transmission shaft 18. be.

Further, at the rear of the transmission casing 12, a third
As shown in the figure, a connecting portion 12a with a bolt screw hole 19 is formed, and a connecting portion 22 with a bolt hole 21 corresponding to the bolt screw hole 19 is formed at the front end of the chassis 3. Both connecting parts 12a and 22 are connected to the bolt 2.
3, the snow removal section 8 and the main body section 1 are integrally connected.

In the snow blower as described above, the present invention is further configured as follows.

That is, a pair of horizontal pins 24, 24a are fixed to one of the connection parts 12a, 22, but in this example, the connection part 2 on the chassis 3 side
2 and facing in the left and right direction, hanging parts 22a, 2
They are arranged and fixed in a protruding manner and spaced apart from each other in a straight line at the respective lower positions on the opposing surface side of 2b. And the connection part 12 on the transmission casing 12 side
a, a notch is formed at the lower position of each of the opposing wall surfaces as a hook part 25, 25a which removably fits into the pin 24, 24a, and when the bolt 23 is removed, the snow removal The portion 8 can rotate around the pins 24, 24a, and by rotating the snow removing portion 8 around the pins 24, 24a, the connecting portions 12a, 22 are located at their proper positions and are connected to the bolt screw holes 19. Bolt hole 21
It is done so that the signs are the same.

In addition, if necessary, in the transmission casing 12,
Locking member 2 having an operating portion 26a and a hook portion 26b
6 is pivoted so as to be able to swing up and down, and is urged upward, and when the respective connecting portions 12a, 22 are rotated around the pins 24, 24a and are in the normal position, the hook portion 26b It is also possible to have a structure in which the member is elastically locked and fitted to a member on the chassis 3 side.

In the above embodiment, the snow removal section 8 is
When docking the main body part 1 to the position shown in FIG.
5, 25a are fitted and latched, and in this state, a hand or the like is inserted between the connecting parts 12a, 22 to tighten the transmission belt 16 to each pulley 15, 17.
The task is to multiply the

Next, operate the control handle 6 to change the longitudinal inclination of the machine body around the lateral drive shaft 7, put the snow removal section 8 and the main body part 1 in the normal posture shown in FIG. The bolt holes 21 are made to have the same reference numerals. In this case, if the locking member 26 is provided in the transmission casing 12, each part 1, 8 will be fixed at the proper position, and the bolt screw hole 19 and the bolt hole 21 will remain aligned. Thereafter, by tightening the bolt 23, the docking work is completed.

Furthermore, the transmission casing 12 during normal use
For maintenance in and around the inside, after placing the aircraft in the attitude shown in Figure 2, each connection part 12a, 22
Do this through mutual spacing.

Note that in order to release the docking between the snow removal section 8 and the main body section 1, the procedure for docking is reversed.

(g) Effects of the invention As described above, according to the invention, when docking the snow removal section 8 to the main body part 1, the latching parts 25, 25a are first fitted and latched to the pins 24, 24a, and then The connecting parts 12a, 22 can be reliably positioned at the correct positions simply by changing the longitudinal inclination of the main body part 1, and a hand or the like can be inserted through the opening formed between the upper parts of the connecting parts 12a, 22. By doing so, the transmission mechanism 14 in and near the transmission casing 12 can be easily connected,
As a result, the docking work can be performed smoothly and easily, and maintenance of the inside of the transmission casing 12 and its vicinity after docking can be performed easily.
Even if each connection part 12a, 22 is not completely separated,
By releasing the bolt connection and changing the longitudinal inclination of the fuselage, this can be easily done through the openings formed between the upper parts of the respective connecting parts 12a and 22.

[Brief explanation of the drawing]

Figure 1 is a front view showing the snow blower according to the present invention in its normal position, Figure 2 is a front view showing the machine in its abnormal position, Figure 3 is an enlarged view of the main parts, and Figure 4 is a conventional example. It is a diagram. DESCRIPTION OF SYMBOLS 1... Main body part, 4... Engine, 7... Horizontal shaft (lateral drive shaft), 8... Snow removal part, 12... Transmission casing, 12a, 22... Connection part, 23...
...Bolt, 24, 24a...Pin, 25, 25a
...Latch part.

Claims (1)

[Scope of utility model registration request] A snow removal section 8 is bolted to the front position of the main body section 1 equipped with an engine 4 through a transmission casing 12 thereof, and the snow removal section 8 is connected to the main body section 1 around the rear transverse axis 7 thereof. 8, a horizontal pin 2 is provided at a position below the connecting portion 22 of either the transmission casing 12 or the main body portion 1.
4, 24a and the other connecting portion 12a.
Hooking portions 25, 25a are formed at the lower position to removably fit with the respective pins 24, 24a, so that the snow removing portion 8 can engage the pins 24, 2 when the bolts 23 are removed.
It can be rotated around 4a, and the snow removal part 8 can be rotated around pin 2.
By rotating around 4 and 24a, each connection part 12
A snow removal unit connection structure for a snow removal machine, characterized in that the structure allows the parts a and 22 to be positioned at regular positions.