CN1432264A

CN1432264A - Tillage machine

Info

Publication number: CN1432264A
Application number: CN 03100097
Authority: CN
Inventors: 池田贵志; 大窪晋
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2002-01-18
Filing date: 2003-01-10
Publication date: 2003-07-30
Anticipated expiration: 2023-01-10
Also published as: JP2003212159A; CN2612214Y; CN1277455C; JP3877596B2

Abstract

A single shaft type working machine 10 (maintenance machine) comprises a handlebar 18 at the back of the engine 11, a working part 13 under the engine 11, and the protector 46 in front of the engine 11. The protector 46 comprises the substantially platelike part 57 for covering the front of the engine 11, and the extension parts 58 and 59 formed integrally with the substantially platelike part 57 so as to extend back on both sides of the engine 11. To sufficiently protect a body part of a maintenance machine including an engine, when the maintenance machine is in contact with grass, branches, small trees and the like, during an operation.

Description

Workover rig

Technical field

The present invention relates to a kind of workover rig, this workover rig is provided with handle at the rear of engine, is provided with homework department below engine, is provided with backplate in the place ahead of engine.

Background technology

As this workover rig, known as Japan opens " walk-behind working machine " that clear 59-186193 communique is disclosed in fact.

Above-mentioned workover rig has: be arranged on the engine on the frame; The reverse U shape backplate that is used to protect engine and is installed in frame front; The square handle that rearward extends from the frame rear portion; And be used for hand steered and be installed in the control stick of this square handle cardinal extremity.

Because the backplate of above-mentioned walk-behind working machine is made the reverse U shape shape, so, with the contacting of big trees in, can protect the body part of engine.But grass, branch or little tree wood etc. can be invaded the space of reverse U shape shape, and body part can not adequately protect.

In addition, because backplate is made the reverse U shape shape, the function of the handle when having as carrying.That is to say, though backplate has the function as the handle in when carrying,, people still wish to obtain being equipped with the body part that can adequately protect and avoid the workover rig of the backplate of influences such as grass, branch or little tree wood.

Summary of the invention

According to the present invention, a kind of workover rig is provided, it is characterized in that, comprising: engine; Handle from the rear extension of this engine; Be arranged on the homework department below the engine; And backplate, this backplate by be configured in this engine the place ahead and cover the plate-like portion of this engine previous section, integrally formed and extension that extend out from the both sides of engine constitutes with this plate-like portion.

That is to say; because by the plate-like portion that constitutes backplate, previous section and the two side portions that extension comes covering engine; so, when workover rig contacts when big trees contact or with grass, branch and little tree wood, the body part that comprises engine of the workover rig that can adequately protect.As a result, manager is not needed too much attention, can concentrate operation.

Above-mentioned plate-like portion preferably is provided with the boss that is used for fixing on the engine, and by allowing bolt pass this boss, plate-like portion is installed on the engine.Like this, can guarantee the rigidity of backplate, increase the defencive function of backplate.

Staff recess that can help, that be formed on plate-like portion when above-mentioned backplate has the transport operation machine.Therefore, the carrying work of workover rig can be carried out expediently.

Description of drawings

Fig. 1 is the perspective view of workover rig of the present invention.

Fig. 2 is the end view of workover rig shown in Figure 1.

Fig. 3 is the vertical view of workover rig shown in Figure 1.

Fig. 4 is the front view of workover rig shown in Figure 1.

Fig. 5 is the end view that the handle of expression workover rig shown in Figure 1 is in folded state.

Fig. 6 is the vertical view of workover rig shown in Figure 5.

Fig. 7 is the front view of backplate shown in Figure 1.

Fig. 8 is the cross section that the 8-8 line along Fig. 7 sections.

Fig. 9 A, Fig. 9 B and Fig. 9 C are the schematic diagrames of the backplate effect of expression workover rig of the present invention.

Embodiment

Below, describe several preferred embodiment of the present invention with reference to the accompanying drawings in detail.

Fig. 1 to Fig. 4 shows workover rig of the present invention.This workover rig 10 is single-shaft variant workover rigs.Engine 11 is arranged on the casing 12.The homework department 13 that carries out the ploughing and weeding operation is positioned at the below of engine 11.This homework department 13 has homework department's axle 14 and is installed in a plurality of ploughing and weeding pawls 15 on this homework department's axle 14.The rotation of engine 11 passes to homework department's axle 14 by driving section 16.Handle 18 rearward extends towards the top that tilts from the rear portion of casing 12.The place ahead of engine 11 disposes backplate 46.Side cover 28,29 (with reference to Fig. 3) is installed about hood 27.

Symbol 17 is drag struts, the 21st, and kick-starter.Symbol 22 is fuel tanks.Symbol 25 is oil caps.

As shown in Figure 2, single-shaft variant workover rig 10 has: the driving shaft 32 that is connected with engine 11 by clutch 31, the worm screw 33 that is installed in these driving shaft 32 tops, with the worm gear 34 of these worm screw 33 engagements, chimeric and can be installed in the homework department's axle 14 on the casing 12 with rotating freely and be installed in a plurality of ploughing and weeding pawls 15 on this homework department's axle 14 with this worm gear 34.

Above-mentioned workover rig 10 in illustrated embodiment, is that a kind of rotation with engine 11 passes to homework department's axle 14 by clutch 31, driving shaft 32, worm screw 33, worm gear 34, on one side mellow tilth, the legged cultivator voluntarily that advances on one side.

Homework department 13 have with driving section 16 transmit engines 11 rotation homework department's axle 14 and be installed in a plurality of ploughing and weeding pawls 15 on this homework department's axle 14.Driving section 16 mainly is made of clutch 31, driving shaft 32, worm screw 33, worm gear 34.

Drag strut 17 has the function that the tractive force of ploughing and weeding pawl 15 is applied resistance simultaneously inserting when rotating a plurality of ploughing and weeding pawl 15 mellow tilths in the soil to set the ploughing and weeding degree of depth of a plurality of ploughing and weeding pawls 15.

Carriage handle 35 is the parts that are roughly L word shape, body 47 with the component parts handlebar 36 that runs through handle 18, with the forwards crooked formed handle part 49 of an end of this body 47, and be used to drag strut 17 is installed and the installation portion 51 that forms at the other end of body 47.The center of gravity of supposing single-shaft variant workover rig 10 is G, when the vertical line of the center of gravity G by this single-shaft variant workover rig 10 is C1, then allow between the top and center of vertical line C1 of the center of gravity G by single-shaft variant workover rig 10 by the handle part 49 of carriage handle 35, thus, to handle part 49 location.And the angle that handle part 49 tilts to the front upper place only is by the line segment at the center of center of gravity G and handle part 49 and the angle θ 1 that vertical line C1 constitutes.C2 represents is the line segment that meets at right angles and draw from center of gravity G and handle part 49.

In other words, 35 pairs of handle parts 49 of carriage handle are located like this: make the rear of the vertical line C1 that is centered close to the center of gravity G by single-shaft variant workover rig 10 of handle part 49, the top of handle part 49 is positioned at the place ahead of vertical line C1.And handle part 49 only is line segment C2 and vertical line C1 angulation by center of gravity G and handle part 49 centers to the angle that the front upper place tilts.

For example, preferably be provided with the carriage handle with following structure, that is, when lifting single-shaft variant workover rig 10, this workover rig does not have too big rotation, the clothes of can not making dirty again simultaneously.

In other words, to handle part 49 location, make the rear of the vertical line C1 that is centered close to the center of gravity G by single-shaft variant workover rig 10 of handle part 49 length directions of carriage handle 35, the top of handle part 49 is positioned at the place ahead of vertical line C1.And, the angle that handle part 49 tilts to the front upper place is only for by line segment C2 and the vertical line C1 angulation of center of gravity G with handle part 49 centers, therefore, and gripping carriage handle 35, when mentioning single-shaft variant workover rig 10, single-shaft variant workover rig 10 can not produce big rotation, is easy to carrying.

Further, owing to do not need to take in one's arms single-shaft variant workover rig 10, the misgivings that carrying single-shaft variant workover rig 10 is made clothes dirty have been eliminated.

As shown in Figure 3, handle 18 by the handlebar 36 that rearward extends from casing 12 (with reference to Fig. 2), can free be installed in the operating grip that slightly becomes the V word 37 on this handlebar 36, the left and right sides handle 38,38 that is arranged on operating grip 37 left and right end portions, the left and right

sides clutch lever

39,39 that is arranged on this left and right sides handle 38,38 foldedly and constitute.

Symbol 42 is the dog screws that operating grip 37 are fixed to the band knob on the handlebar 36.In addition, by

clutch lever

39,39 is set about operating grip 37, hold this

clutch lever

39,39 once the side can operated clutch 31 (with reference to Fig. 2).

Engine 11 shown in Figure 1 is covered by hood 27 and left and right side cover 28,29.With the automotive bicycle is example, and hood 27 and left and right side cover the 28, the 29th have the parts of realizing said function with cover basically.

As shown in Figure 4, single-shaft variant workover rig 10 has the isolated baffle 44 of casing 12 with engine 11.With the automobile is example, and baffle 44 is the parts with special dashboard function, and the sand attachment in the time of can preventing operation is on engine etc.

Single-shaft variant workover rig 10 has the canister 45 as single-shaft variant workover rig usefulness casing that can hold homework department's axle 14.When single-shaft variant workover rig 10 was loaded on the vehicle, a plurality of ploughing and weeding pawls 15 can not scratch vehicle floor or make dirty.

Single-shaft variant workover rig 10 is provided with backplate 46 in the place ahead of engine 11.With the automobile is example, and backplate 46 is the parts with front bumper function, and engine 11 body parts such as grade that can adequately protect during operation are avoided the influence of grass, branch or little tree wood etc.

Fig. 5 and Fig. 6 show the workover rig 10 that handle is in folded state.In Fig. 5 and Fig. 6, canister 45 by case body 52, with this case body 52 integrally formed in case support homework department's axle 14 support portion 53 (only showing in the figure), be used for case body 52 is fixed to single-shaft variant workover rig 10 sides and walk around the belt 54,54 (with reference to Fig. 6) on backplate 44 tops, the hoop 55,55 (with reference to Fig. 6) that is used for fastening these

belts

54,54 constitutes.Above-mentioned case body 52 is used to hold the homework department 13 that is made of casing 12, homework department's axle 14, ploughing and weeding pawl 15 and drag strut 17.

Canister 45 is the casings for 10 preparations of single-shaft variant workover rig, and single-shaft variant workover rig 10 is configured to homework department's axle 14 of double as walking axle by driving section 16 below of engine 11 (with reference to Fig. 1).This casing has the spatial accommodation S that is used to hold homework department's axle 14.

Homework department's axle 14 (with reference to Fig. 1) of double as walking axle is configured in the single-shaft variant workover rig 10 of the below of engine 11 (with reference to Fig. 1) by driving section 16, have canister 45 (workover rig casing), this canister 45 has the spatial accommodation S that is used to hold homework department's axle 14.Therefore, when carrying single-shaft variant workover rig 10 on vehicle, can not damage vehicle floor, nor can pollute vehicle floor.

Fig. 7 and Fig. 8 show backplate 46.Backplate 46 comprises: the plate-like portion 57 that is used for the place ahead of covering engine 11 (with reference to Fig. 1); Integrally formed and the left and

right sides extension

58,59 that come out from the both sides rear extension of engine 11 with this plate-like portion 57; On plate-like portion 57, form and be connected to the

boss

61,16 of engine 11 sides with bolt; The recess 62 that staff can be helped during in formation on the plate-like portion 57 and at the transport operation machine.

Workover rig when big trees contact or workover rig when contacting with grass, branch and little tree wood, the body part of the engine that comprises workover rig of adequately protecting.

In this structure; backplate 46 is by the plate-like portion 57 in the place ahead of covering engine 11, integrally formed and constituted from the extension 58,59 (with reference to Fig. 7) that the both sides rear extension of engine 11 comes out with this plate-like portion 57; therefore; single-shaft variant workover rig 10 is when big trees contact; or workover rig is with grass, when branch and little tree wood contacts, the body part of the engine 11 (with reference to Fig. 1) that comprises single-shaft variant workover rig 10 of adequately protecting.As a result, single-shaft variant workover rig 10 is not needed too much attention, can concentrate operation.

Backplate 46 plate-like portions 57 are provided with the boss 61 that is used for fixing on the engine 11 (with reference to Fig. 1), by allowing bolt 63 pass this boss 61, backplate 46 are installed on the engine 11.Like this, can guarantee the rigidity of backplate 46, increase its defencive function.

The recess 62 that staff can be helped when carrying single-shaft variant workover rig 10 by forming on plate-like portion 57.Can not damage the defencive function of backplate 46, can improve the convenience of single-shaft variant workover rig 10.

Below, based on Fig. 9 A～Fig. 9 C, the effect of above-mentioned single-shaft variant workover rig 10 is described.

In Fig. 9 A, when single-shaft variant workover rig 10 advances, grass, branch or little tree wood etc. according to the mode shown in the arrow a1 with comprise engine 11 under the situation that interior body part contacts, from the side as can be seen, backplate 46 can be according to the mode shown in the arrow a2 with eliminatings such as above-mentioned grass, branch or little tree wood.In addition, shown in Fig. 9 B, grass, branch or little tree wood etc. according to the mode shown in the arrow b1 with comprise engine 11 under the situation that interior body part contacts, backplate 46 can be got rid of above-mentioned grass, branch or little tree wood etc. to the left and right according to the mode shown in the arrow b2.

Because backplate 46 is by the plate-like portion 57 in the place ahead of covering engine 11, integrally formed and constitute from 58,59 of the extensions that the both sides rear extension of engine 11 comes out with this plate-like portion 57; therefore; single-shaft variant workover rig 10 is when big trees contact; or workover rig is with grass, when branch and little tree wood contacts, the body part of the engine 11 that comprises single-shaft variant workover rig 10 of adequately protecting.As a result, workover rig is not needed too much attention, can concentrate operation.

Shown in Fig. 9 C, during carrying single-shaft variant workover rig 10,, therefore, can lift carrying owing to can hold carriage handle 35 with another with a recess 62 that holds the plate-like portion 57 of backplate 46.

Claims

1, a kind of workover rig (10) is characterized in that, comprising:

Engine (11);

Handle (18) from the rear extension of this engine;

Be arranged on the homework department (13) below the engine; And

Backplate (46), this backplate (46) by be configured in this engine the place ahead and cover the plate-like portion (57) of this engine previous section, integrally formed and extension (58,59) that extend out from the both sides of engine constitutes with this plate-like portion.

2, workover rig according to claim 1 is characterized in that, described plate-like portion is provided with the boss (61,61) that is used for fixing on the described engine, and by allowing bolt (63,63) pass this boss, plate-like portion is installed on the engine.

3, workover rig according to claim 1 is characterized in that, staff can be helped when described backplate (46) had the described workover rig of carrying, be formed on the recess (62) on the described plate-like portion (57).