CN1389628A

CN1389628A - Engine for earth rammer

Info

Publication number: CN1389628A
Application number: CN 02118465
Authority: CN
Inventors: 坪内方则; 永冈政敏; 佐藤义一
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2001-06-04
Filing date: 2002-04-24
Publication date: 2003-01-08
Anticipated expiration: 2022-04-24
Also published as: CN2550410Y; CN1190562C; JP2002363915A; JP4532021B2

Abstract

An engine (10) for a rammer has a main switch (31) disposed on the peripheral surface of the engine. The main switch is disposed at a position facing a handle part (47) of the handle (45) which forms the rammer device (40). Therefore, the main switch is disposed at the side of the hand of the rammer operator and can be easily operated by the operator.

Description

Engine for earth rammer

Technical field

The present invention relates to vibration is imposed on the engine for earth rammer on the whole floor of installing on the tamper body.

Background technology

The tamper device be the driving by motor make whole floor move up and down, the device on the whole ground of ground compacting, known tamper device for example has that Japan is real to open the structure that clear 63-104410 communique is disclosed.

Fig. 9 shows general tamper device.With reference to Fig. 9, the tamper device comprises tamper body 100, be installed in handle 101 on the upper end 100a of this tamper body 100, be arranged on motor 103 on the tamper body 100, be arranged on the whole floor 102 on the lower end 100b of tamper body 100.This tamper device has near the adjusting action bars 106 the grip part 101a that is installed in handle 101.That is to say, regulate action bars 106 and be arranged on the operator on hand.

This tamper device grips the live in grip part 101a of handle 101 by one side, on one side operation adjusting action bars 106, motor 103 is adjusted to desirable rotating speed, motor 103 imposes on whole floor 102 to impact, carries out smooth to ground 105.

When tillage operation finishes, action bars 106 is regulated in operation, motor 103 is become after the idling conditions, with a grip part 101a who holds handle 101, switch to disconnection (cutting off the electricity supply) with another handgrip main switch 108 from connecting (connection power supply), motor 103 is stopped.

But main switch 108 is positioned at the right flank of motor 103, apart from the grip part 101a of handle 101 certain distance is arranged.Thereby when the operator switched to off-state to main switch 108, the action that needs was bigger.

In addition, even motor 103 is in idling conditions, tamper body 100 or motor 103 still are in vibrational state to a certain degree, thereby, cause main switch 108 also to produce vibration.As a result, the operator can not carry out this action rapidly when main switch 108 is switched to off-state.

So, when main switch 108 is switched to off-state, require operator's action bigger, be difficult to switch, cause operability bad.Therefore, people's expectation is improved the operability of main switch 108.

Summary of the invention

The purpose of this invention is to provide a kind of engine for earth rammer that can improve the main switch operability.

According to feature of the present invention, a kind of engine for earth rammer that is installed on the tamper device is provided, this tamper comprises the tamper body, be installed in the whole floor of this tamper body bottom, be installed in the handle of this tamper body upper end, this engine for earth rammer has a locational main switch of the outer peripheral face that is arranged on this motor, this main switch is in the top of engine crankshaft, and is configured in the position away from grip part (30) and above-mentioned handle the face-off of cylinder axis axis.

Therefore, when utilizing the tamper body to carry out tillage operation,,, utilize this impact to carry out smooth to ground Yi Bian impact is imposed on whole floor Yi Bian grasp the grip part of the handle that is configured in tamper body upper end.If main switch is configured near the grip part of handle, because main switch is positioned at the operator on hand, thereby the operator is easy to operate main switch on hand.

Therefore, in the present invention,, thus main switch is arranged on a top side of engine for earth rammer being provided in the position that main switch on the motor outer peripheral face places the bent axle top away from cylinder-bore axis.For this reason, engine for earth rammer is configured in the handle below of tamper device, thereby main switch can be configured near the grip part of handle.Like this, main switch is configured in the operator on hand, the operator can operate main switch easily.

In the present invention, when the face with the output shaft part that is positioned at bent axle on the motor outer peripheral face is the tamper installed surface, when being the side of that side of operator with the back side of this tamper installed surface, then above-mentioned main switch is configured in the center, the left and right sides of the side of that side of operator.So the center, the left and right sides of the side by main switch being configured in that side of operator can make main switch and the substantial middle of hand holding part is partly stood facing each other.Thereby, improved the visibility of main switch.And, by making main switch and the substantial middle of hand holding part partly being stood facing each other, can make main switch be in operator's position on hand.Thereby the operator can select any one hand of right-hand man to operate main switch arbitrarily according to job status, no matter utilize left hand or utilize the right hand can, improved operability.

Brief description of drawings

Fig. 1 is the lateral view after the partly cut-away of engine for earth rammer of the present invention.

Fig. 2 is the front view of engine for earth rammer shown in Figure 1.

Fig. 3 is the lateral view that has the tamper device of engine for earth rammer of the present invention.

Fig. 4 is the arrow 4 observed plan views by Fig. 3.

Fig. 5 is a part of view by the front view of the arrow 5 observed tamper devices of Fig. 3.

Fig. 6 is the allocation plan by the arrow 6 observed main switches of Fig. 3.

Fig. 7 A and Fig. 7 B are the present embodiment of the observed from the side tamper device that will have a motor and the schematic diagram that prior art compares.

Fig. 8 A and Fig. 8 B be from viewed in plan to the schematic diagram that compares of present embodiment and prior art with the tamper device.

Fig. 9 is the lateral view of the general tamper device of conventional art.

The optimised form that carries out an invention

Below, specify most preferred embodiment of the present invention with reference to accompanying drawing.

In Fig. 1 and Fig. 2, engine for earth rammer 10, in the bottom of cylinder body 11 lower house 12 is installed, in the cylinder 11a of cylinder body 11, can be inserted with piston 13 with being free to slide, this piston 13 is connected with bent axle 15 by connecting rod 14, the spark portion (not shown) that is installed in the ignition spark plug 16 on the cylinder head 11b is in the face of combustion chamber 17, and ignition spark plug 16 is covered by spark plup cap 18.

Bent axle 15 is outstanding from the tamper installed surface 21 on the motor outer peripheral face 20 with output axial region 15a.

Engine for earth rammer 10, on the side 22 of that side of operator of the face of the opposite side of tamper installed surface 21, be provided with and employed kick-starter 25, on the left surface (face side of Fig. 1) 23 of motor outer peripheral face 20, adjusting rod 26 can be installed with rotating freely by back shaft 27, in the upper end of this adjusting rod 26 back-moving spring 28 is installed, operation rope 29 is installed in the lower end, above bent axle 15, and be equipped with main switch 31 on the motor outer peripheral face 20 of side 22 directions away from the position of cylinder-bore axis 30 of that side of operator, this main switch 31 is connected on the spark plup cap 18 by distribution 35.Cylinder axis axis 30 is the axis at the center of expression cylinder 11a.

The 24 corner part 20a that intersect with the side 22 of that side of operator install main switch 31 along motor outer peripheral face 20 with heeling condition on motor.Corner part 20a is in the top of bent axle 15, and is positioned at and satisfies towards the direction of the side 22 of that side of the operator position away from the condition of the motor outer peripheral face 20 of the position of cylinder axis axis 30.

By main switch 31 is placed on-state, can produce sparks by ignition spark plug 16, and when main switch 31 placed off-state, the generation of ignition spark plug 16 sparks will stop.

As shown in Figure 2, spark plup cap 18 and main switch 31 dispose along cylinder-bore axis 30 (center, the left and right sides of the side 22 of that side of operator).

Spark plup cap 18 covers above cylinder head 11b (be above the motor 24) outstanding ignition spark plug 16 (shown in Figure 1).Main switch 31 is configured in above the motor the 24 corner part 20a places that intersect with the side 22 of that side of operator.Main switch 31 and spark plup cap 18 are configured in above the motor on 24 equally, therefore, main switch 31 can be placed near the spark plup cap 18.

Below, with reference to Fig. 3, Fig. 4 and Fig. 5 the tamper device that utilizes motor of the present invention is described.

Tamper device 40 comprises tamper body 41, be arranged on the engine for earth rammer of the present invention 10 on the upper end 41b of this tamper body 41, wherein, is provided with whole floor 42 at the bottom of this tamper body 41 41a.The top of this engine for earth rammer 10 disposes handle 45.Fuel tank 51 is configured in the substantial middle position of handle shown in Figure 4 45.In the place ahead of this fuel tank 51, dispose the guard block 53 that is used to protect fuel tank 51.Near the grip part 47 of handle 45, be provided with adjusting device bar 55.

Engine for earth rammer 10, by being installed in its tamper installed surface 21 on back, the upper end 41c of tamper body 41 with mated condition, the output axial region 15a of bent axle 15 can be inserted the inside of tamper body 41, the driving mechanism (not shown) of output axial region 15a and tamper body 41 is linked together.

Tamper body 41 is located on the ground 44 by whole floor 42 is generally perpendicularly upright.In this state, hold the grip part 47 of handle 45 on one side,, drive the driving mechanism of tamper body 41 by the output axial region 15a of bent axle 15 Yi Bian drive engine for earth rammer 10, impact is imposed on whole floor 42, utilize this impact to carry out smooth ground 44.

Tamper body 41 is separately installed with left and right

sides installing component

61,61 at left and right side, upper end 41d, 41e.On this

installing component

61,61, by a plurality of bolts 63 left and

right installation board

62,62 is installed respectively.Handle 45 is installed on upper end 62a, the 62a of this installing plate 62,62.This handle 45 is connected by left and right

sides strengthening part

64,64 with installing

plate

62,62.

Fuel tank 51 is installed in the substantial middle part of handle 45 by support plate 52.Support plate 52 has the 52a of left and right sides foot, 52a, and fuel tank 51 is configured in the top of handle 45.What therefore, the interval H of upper end 10a set from fuel tank bottom surface 51a to motor is bigger.By enlarging H at interval, even handle 45 serves as that axle is swung along the direction of arrow with left and right

sides installing component

61,61 in tillage operation, fuel tank 51 can not interfere with engine for earth rammer 10 yet.

Because fuel tank 51 is configured in the place ahead of position of side 22 of that side of operator of engine for earth rammer 10, therefore, fuel tank 51 can be above motor the 24 corner part 20a that intersect with the side 22 of that side of operator stagger.So, by main switch 31 being arranged on this corner part 20a place.Can be from the top visual this main switch 31, and can be configured in main switch 31 near the grip part 47 of handle 45.

Like this, by main switch 31 being configured in above the motor the 24 corner part 20a places that intersect with the side 22 of that side of operator, main switch 31 can be configured in the below of handle 45.Thereby handle 45 can be used as the guard block and the usefulness of main switch 31, avoids the damage of main switch 31.

Because the left and right sides at main switch 31 is respectively arranged with left and right

sides strengthening part

64,64, thereby, the function that left and right

sides strengthening part

64,64 has as the guard block of main switch 31, thereby the damage that can avoid main switch 31 to be subjected to from the side.

As shown in Figure 4, handle 45 by side arm 46, after-frame (being the grip part) 47 and about

frame

48,49 roughly form rectangular box-like.Side arm 46 is configured in the place ahead of tamper body 41, and grip part 47 is configured in the rear of engine for earth rammer 10.Left side frame 48 is configured in the left side of engine for earth rammer 10 and tamper body 41, and right frame 49 is configured in the right side of engine for earth rammer 10 and tamper body 41.So handle 45 makes the structure than engine for earth rammer 10 and tamper body 41 big circles, handle 45 protection engine for earth rammer 10 and tamper bodies 41.

Handle 45 has the adjusting action bars 55 that is installed to the left side of grip part 47 by mounting pipe 56.This adjusting action bars 55 can be operated with the left hand of holding grip part 47.By regulating action bars 55 along the operation of the direction shown in the arrow, operation rope 29 (inner ropes) that are pulled make adjusting rod shown in Figure 1 26 rotate along direction shown in the arrow by operation rope 29, thus, the rotating speed of engine for earth rammer 10 are risen.So, hold leftward under the state of grip part 47, can operate and regulate action bars 55.Improved operability.

Main switch 31 is on the extended line of the left and right directions center of motor and motor fore-and-aft direction, is on the fore-and-aft direction center line 60 of motor, and is configured in above the motor the 24 corner part 20a places that intersect with the side 22 of that side of operator.In this position, main switch 31 is mounted near the position of the grip part 47 of the shape handle 45 that tilts along motor outer peripheral face 20, and, with the 47a of the substantial middle portion face-off of the left and right sides width of the grip part 47 of handle 45.

In Fig. 5, be separately installed with left and right

sides installing component

61,61 in the left and right side of above-mentioned tamper body 41.On this

installing component

61,61, be separately installed with left and right installation board 62,62.Handle 45 is installed on upper end 62a, the 62a of these installing plates 62,62.Left side strengthening part 64 is connected with the left frame 48 and the left installing plate 62 of this handle 45.Right strengthening part 64 is connected with the right frame 49 and the right installing plate 62 of this handle 45.Left and right

sides installing component

61,61 has the shock-resistant member (not shown) respectively.Handle 45 can serve as the axle swing with these installing

components

61,61.

Ignition spark plug 16 shown in Figure 1 is configured in above the motor on 24.24 1 sides dispose inlet and exhaust valve push rod 71 above the motor.Fuel cock 72 is configured in the top of motor 10.Above-mentioned main switch 31 is configured in above the motor on 24.So therefore ignition spark plug 16, inlet and exhaust valve push rod 71, fuel cock 72 and main switch 31 centralized configuration 24 1 sides on motor, have improved operability and maintainability.

When being for example engine for earth rammer 10 startings, inlet and exhaust valve push rod 71 increases the bar of fuel feed for the reduction that replenishes vaporization rate.

Fuel cock 72 is to be used to open and close cock from fuel tank 51 to engine for earth rammer 10 that supply with the pipe 73 of fuel from.

Fig. 6 shows the state on the corner part 20a that main switch 31 is installed in engine for earth rammer 10.

Main switch 31 has the linearity switch knob 33 that profile roughly makes columniform bore section 32 and is arranged on central authorities, is by allowing this switch knob 33 rotate the connection of carrying out power supply, the rotary switch that disconnects switching along the direction of arrow.When main switch 31 is adjusted to connection, make main switch 31, the tip of switch knob 33 is adjusted to the position of ON along counter rotation.When main switch 31 is adjusted to disconnection, main switch 31 is rotated in a clockwise direction, the tip of switch knob 33 is adjusted to the position of OFF.

This main switch 31 is connected with spark plup cap 18 by distribution 35.Distribution 35 is fixed on above the motor on 24 by a plurality of distribution wire clamps 36.At this moment, by packing ring 37 is installed, can protect distribution 35 on distribution 35.

By main switch 31 being installed on the corner part 20a of engine for earth rammer 10, with this main switch 31 be configured in spark plup cap 18 near.Therefore, can shorten the distribution that is used to connect main switch 31 and spark plup cap 18.Also can reduce distribution wire clamp 36 or packing ring 37, reduce expense.

Below, the effect of the engine for earth rammer 10 according to Fig. 7 A, Fig. 7 B and Fig. 8 A, Fig. 8 B explanation during with tamper device 40 whole ground.

Fig. 7 A shows the side of the tamper of the motor 10 with present embodiment, and Fig. 7 B shows example in the past.

In Fig. 7 A, main switch 31 is installed in above the motor on the 24 corner part 20a that intersect with the side 22 of that side of operator.Fuel tank 51 is configured in the anterior position of corner part 20a.Therefore, when tillage operation is carried out in the grip part 47 that the operator holds handle 45 with the left hand and the

right hand

76,77, operator 75 can keep former operation posture lower edge arrow 1. shown in the visual main switch 31 of direction.

Since main switch 31 be configured in grip part 47 near, and with grip part 47 face-off, therefore, operator 75 can finish drilling in former operation posture and make main switch 31.As a result, 75 of operators just can operate main switch 31 with little trick.

The right flank 111 (side of the inside one side among Fig. 1) that the main switch 113 of the example in the past shown in Fig. 7 B is installed in engine for earth rammer 110 go up and be in bent axle 112 near.That is to say that main switch 113 is configured to the mode away from operator 115 the left hand and the right hand 116,117.Therefore, when along arrow 2. shown in during the visual main switch 113 of direction, in order to confirm main switch 113, operator 115 health must tilt, visual action is bigger.

Fig. 8 A illustrates the plane of the tamper of present embodiment, and Fig. 8 B illustrates example in the past.

Shown in Fig. 8 A, main switch 31 is near the grip part 47 of handle 45, and main switch 31 stands facing each other with the 47a of substantial middle portion of the grip part 47 of handle 45.Therefore, main switch 31 is configured in the substantial middle of left hand 76 and the right hand 77, and operator 75 can suitably select any hand of left hand 76 and the right hand 77 according to job status, as arrow 3. or stretch out the left hand 76 or the right hand 77, operation main switch 31 4..

The left hand 76 and the right hand 77 are near main switch 31, and therefore, operator 75 can operate main switch 31 easily under former operation posture.As a result, 75 of operators just can operate main switch 31 with little trick.

Among Fig. 8 B, main switch 113 be installed in the right flank 111 of engine for earth rammer 110 and bent axle 112 (with reference to Fig. 7 B) near, main switch 113 is away from the grip part 114a of handle 114.Therefore, during with the right hand 117 operation main switches 113 of the grip part 114a that holds handle 114, the right hand 117 must be below arrow moves to 5., and therefore, operator 115 action is big.Because main switch 113 is away from left hand 116, thereby, can not operate main switch 113 with left hand 116.

Because main switch 113 is configured in the position away from spark plup cap 118, therefore, it is long with the distribution 119 of spark plup cap 118 to be used to connect main switch 113, and will increase the use number for permanent wiring 119 needed distribution wire clamps or packing ring.As a result, become the factor of the cost reduction that hinders engine for earth rammer 110.

In above embodiment, illustrate that main switch 31 is installed in above the motor example of the 24 corner part 20a that intersect with the side 22 of that side of operator, but, in the present invention, the installation site of main switch 31 is not limited to this, above the bent axle 15 in Fig. 1, and on the motor outer peripheral face 20 away from the position of cylinder-bore axis 30 of the side of that side of operator 22 1 sides, also be feasible.That is to say,, also can be configured to main switch 31 47 opposites, grip part of handle 45 even change the configuration direction of motor 10.

The described main switch of the foregoing description 31 is that example is illustrated with the rotary switch, still, is not limited to this, also can use other switches such as toggle switch or push switch to be main switch.

Claims

1, a kind of engine for earth rammer can be installed on the tamper device (40), and this tamper device (40) comprises tamper body (41), be installed in the whole floor (42) of this tamper body bottom, be installed in the handle (45) of this tamper body upper end, it is characterized in that

Described engine for earth rammer (10) has a locational main switch (31) of the outer peripheral face that is arranged on this motor;

This main switch is in the top of engine crankshaft (15), and is configured in position (30) away from the cylinder axis axis and grip part above-mentioned handle (47) face-off.

2, the engine for earth rammer of putting down in writing according to claim 1, it is characterized in that, when residing of output axial region (15a) with the described bent axle (15) on the described motor outer peripheral face is tamper installed surface (21), when being the side (22) of that side of operator with the back side of this tamper installed surface, then described main switch (31) is configured in the center, the left and right sides of the side of that side of operator.