CN100410511C - Horizontal diesel engine - Google Patents
Horizontal diesel engine Download PDFInfo
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- CN100410511C CN100410511C CNB200410077906XA CN200410077906A CN100410511C CN 100410511 C CN100410511 C CN 100410511C CN B200410077906X A CNB200410077906X A CN B200410077906XA CN 200410077906 A CN200410077906 A CN 200410077906A CN 100410511 C CN100410511 C CN 100410511C
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Abstract
This invention provides a horizontal diesel engine capable of preventing a lowering of metering accuracy of a fuel metering part while maintaining a low manufacturing cost. In the horizontal diesel engine, a governor case 2 is mounted to a front part of a cylinder block 1, and a governor force generating means 7 of a mechanical governor 6, a governor lever 8 and a fuel injection pump 9 are stored in the governor case 2. In fitting the respective bosses of a governor force input lever 11 and a spring force input lever 12 to the periphery of a governor lever pivot 10, the boss of the spring force input lever 12 is composed of a pair of upper and lower bosses 12a, 12b, and the upper and lower bosses 12a, 12b are arranged on the upper and lower sides of the boss 11c of the governor force input lever 11.
Description
Technical field
The present invention relates to horizontal diesel engine.
Background technique
As the horizontal diesel engine in past, identical with the present invention, in the front portion of cylinder body the speed regulator shell is installed, in the speed regulator shell, hold the adjusting power generating mechanism and the adjustable lever of mechanical speed governor, and fuel-injection pump.
In this diesel engine, inside at gear-box holds adjustable lever, on this adjustable lever axle, adjustable lever is installed, the carry-out part of this adjustable lever is combined with the fuel quantity adjusting portion of fuel-injection pump, by adjusting power and Regulation spring force unbalance power, make the adjustable lever swing, fuel metering amount adjusting portion.Thus, in this diesel engine, must prevent the abrasion of the each several part of mechanical speed governor, prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
In the past,, adopt the dimensional accuracy of the each several part that improves mechanical governor, make the method for rocking reduction etc. of each several part as the scheme that realizes this purpose.
In above-mentioned prior art, there is following problem.
The manufacture cost of " problem " diesel engine increases.
For the dimensional accuracy of the each several part that improves mechanical speed governor, must be with high manufacturing technology and manufacturing equipment, so the manufacture cost of diesel engine increases.In addition, as other method, it is also conceivable that by the higher material of wear resistance performance to constitute each several part, or each several part is carried out the processing of high frequency hardening etc., but such method equally must be with high manufacturing technology and manufacturing equipment, so the manufacture cost of diesel engine increases.
Summary of the invention
Problem of the present invention is to provide a kind of horizontal diesel engine that addresses the above problem, and, provides following horizontal diesel engine that is, when it can keep hanging down manufacture cost, prevents the reduction of the degree of regulation of fuel quantity adjusting portion.
(invention relevant) with technological scheme 1
As described below with the specific item of invention of technological scheme 1 related invention.
Shown in the example of Fig. 1, Fig. 2, a kind of horizontal diesel engine, wherein, speed regulator shell 2 is installed in front portion at cylinder body 1, in this speed regulator shell 2, hold adjusting power generating mechanism 7 and the adjustable lever 8 and the fuel-injection pump 9 of mechanical speed governor 6, it is characterized in that:
Hold adjustable lever axle 10 at the interior of speed regulator shell 2 towards above-below direction, adjustable lever 8 is installed on this adjustable lever axle 10, constitute this adjustable lever 8 by adjusting power input bar 11 and spring force input bar 12, make input part 11a, the 11a of adjusting power input bar 11 and the carry-out part 7c butt of adjusting power generating mechanism 7, the carry-out part 11b of adjusting power input bar 11 is combined with the fuel quantity adjusting portion 9a of fuel-injection pump 9, Regulation spring power 13a is input on the spring force input bar 12, regulates this Regulation spring power 13a with speed control rod 14;
Shown in the example of Fig. 4 (A), (B), in spring force input bar 12 and adjusting power input bar 11, on a bar 12 torque increase device 15 is set therein, torque increases device 15 and is made of torque pin 15a and torque spring 15b and retainer 15c, with torque spring 15b torque pin 15a is pushed towards the direction of releasing from retainer 15c, make from front end and another bar 11 butts of the torque pin 15a of retainer 15c release, fuel limit part 16 is faced with spring force input bar 12;
Shown in the example of Fig. 4 (A), when sub load turns round, using adjusting power 7a and Regulation spring power 13a, torque pin 15a is pressed under the state of retainer 15c, with the unbalanced force of regulating power 7a and Regulation spring power 13a, adjusting power input bar 11 and spring force input bar 12 are integral shake, in sub load amount control band 17,9a regulates to the fuel quantity adjusting portion;
Shown in the example of Fig. 4 (B), when rated load turns round, make spring force input bar 12 and fuel limit part 16 butts, the rated load amount adjusted position 18 of fuel limitation amount adjusting portion 9a;
When excess load is turned round, under the state of spring force being imported bar 12 and fuel limit part 16 butts,, adjusting power input bar 11 is shaken with the unbalanced force of adjusting power 7a and torque spring power 15d, in excess load amount control band 19,9a regulates to the fuel quantity adjusting portion;
Shown in the example of Fig. 1, when outside each axle sleeve, being embedded on the adjustable lever axle 10 with adjusting power input bar 11 and spring force input bar 12, go up the axle sleeve that Lower shaft sleeve 12a, 12a constitute spring force input bar 12 by a pair of, and will go up Lower shaft sleeve 12a, 12a be arranged at adjusting power import bar 11 axle sleeve 11c about.
(with technological scheme 2 to the relevant invention of technological scheme 12)
With technological scheme 2 to main listed the enumerating in Fig. 1 of the relevant invention of technological scheme 9.
The invention relevant with technological scheme 10, technological scheme 11 be listed enumerating in Fig. 5 mainly.
The invention relevant with technological scheme 12 be listed enumerating in Fig. 4 (B) mainly.
The invention performance following effect relevant with technological scheme 1.
" effect " can remain on the manufacture cost of diesel engine than low degree.
Shown in the example of Fig. 1, when the degree of regulation that prevents fuel quantity adjusting portion 9a reduces, constitute the axle sleeve that spring force is imported bar 12 by a pair of Lower shaft sleeve 12a, the 12b of going up, Lower shaft sleeve 12a, 12b on this only are disposed at the getting final product up and down of axle sleeve 11c of adjusting power input bar 11, therefore, do not need high manufacturing technology and manufacturing equipment, the manufacture cost of diesel engine can be remained on than low degree.
" effect " can suppress rocking of spring force input bar, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, constitute the axle sleeve that spring force is imported bar 12 by a pair of Lower shaft sleeve 12a, the 12b of going up, Lower shaft sleeve 12a, 12b on this only are disposed at adjusting power input bar 11 axle sleeve 11c about, therefore can increase from the top of Upper shaft sleeve 12a to the distance of the bottom of Lower shaft sleeve 12b, form spring force input bar 12 and be difficult to the structure that relative adjustment bar axle 10 tilts.Thus, can suppress rocking of spring force input bar 12, suppress the abrasion that torque pin 15a is in contact with it each several part portion etc., mechanical speed governor 6, and then, the reduction of the degree of regulation of fuel quantity adjusting portion 9a can be prevented.
(invention relevant) with technological scheme 2
" effect " forms spring force input bar and is difficult to relative adjustment bar axle, further the structure that tilts.
Shown in the example of Fig. 1, because axle sleeve 11c and spring force at adjusting power input bar 11 are imported between the Upper shaft sleeve 12a of bar 12, disposed the lower bearing axle sleeve 10b of adjustable lever axle 10, therefore compare with the situation of this lower bearing axle sleeve of configuration 10b below the axle sleeve 11c of adjusting power input bar 11, can further increase the Upper shaft sleeve 12a of spring force input bar 12 and the span between the Lower shaft sleeve 12b, form spring force input bar 12 and be difficult to the structure that relative adjustment bar axle 10 further tilts.Thus, rocking further of bar 12 of spring force input reduces.
(technological scheme 3 described inventions)
" effect " can suppress reversing of adjustable lever axle, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, because Regulation spring power input arm 10e is installed in the upper end portion of adjustable lever axle 10, between speed control rod 14 and spring force input arm 10c, set up Regulation spring 13, on adjustable lever axle 10, fixed the Upper shaft sleeve 12a of spring force input bar 12, therefore with on adjustable lever axle 10 fixedly the situation of Lower shaft sleeve 12b compare, span from Regulation spring power input arm 10c to standing part shortens, correspondingly suppress reversing of adjustable lever axle 10, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion 9a.
(invention relevant) with technological scheme 4
Rocking further of bar of " effect " spring force input reduces.
Shown in the example of Fig. 1, because the axle sleeve 11c of adjusting power input bar 11 has been installed on the Lower shaft sleeve 12b of spring force input bar 12, therefore the load of adjusting power input bar 11 is born by the Lower shaft sleeve 12b of spring force input bar 12, and rocking further of bar 12 of spring force input reduces.
(invention relevant) with technological scheme 5
" effect " can suppress rocking of adjustable lever axle, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, owing to make upper bearing (metal) axle sleeve 10a outstanding up and down from bar upper section 2b, therefore can increase the size of the above-below direction of upper bearing (metal) axle sleeve 10a, can suppress rocking of adjustable lever axle 10, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion 9a.
(invention relevant) with technological scheme 6
" effect " can prevent that earth etc. is attached on Regulation spring etc., and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, Fig. 3, because from the upright wall 2d that sets up of the front-end edge portion of bar upper section 2b, between this wall 2d and cylinder body 1, above bar upper section 2b, setting is lower than the parts holding space 2e of above-mentioned weight upper section 2c, in this parts holding space 2e, the upper bearing (metal) axle sleeve 10a that has held speed control rod 14, Regulation spring 13, spring force input arm 10c and adjustable lever axle 10, therefore, even to expose state, motor is loaded under mechanically the situation, and sudden earth etc. can be blocked by wall 2d from the place ahead.Thus, can prevent that earth etc. is attached on Regulation spring 13 grades, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion 9a.
(invention relevant) with technological scheme 7
" effect " can suppress the abrasion of the contacting part between adjusting power input bar and the power of the adjusting generating mechanism, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, because on the axle sleeve 11c of adjusting power input bar 11, a pair of input part 11a, 11a up and down is set, make this a pair of up and down input part 11a, the 11a and the carry-out part 7c butt of adjusting power generating mechanism 7, therefore compare with the situation that single input part is set on adjusting power input bar 11, can reduce the contact pressure of each contacting part, suppress these abrasion, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion 9a.
(invention relevant) with technological scheme 8
" effect " can prevent rocking of adjusting power input bar, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, because making the size of above-below direction of the axle sleeve 11c of adjusting power input bar 11 sets greater than the external diameter of governor shaft 7d, about governor shaft 7d, make from outstanding a pair of up and down input part 11a, the 11a of the upper and lower end parts of this axle sleeve 11c and the carry-out part 7c butt of adjusting power generating mechanism 7, therefore can increase the size of the above-below direction of axle sleeve 11c, form adjusting power input bar 11 and be difficult to the structure that relative adjustment bar axle 10 tilts.Thus, can prevent rocking of adjusting power input bar 11, and then can prevent the reduction of the degree of regulation of fuel quantity adjusting portion 9a.
(invention relevant) with technological scheme 9
" effect " can suppress the abrasion between governor weight and the hang plate, and then prevents the reduction of the degree of regulation of fuel quantity adjusting portion.
Shown in the example of Fig. 1, owing to be set up in parallel 3 and above governor weight 7b, therefore only be that 1 or 2 situation is compared with governor weight 7b and the contact position of slider 7e, the contact pressure of each contact segment diminishes, the abrasion between governor weight 7b and the slider 7e can be suppressed, and then the reduction of the degree of regulation of fuel quantity adjusting portion 9a can be prevented.
(invention relevant) with technological scheme 10
" effect " in low-load amount side control band, the spin stabilization of motor.
Shown in the example of Fig. 5, because in low-load amount side control band 17a, by idle spring force 21a and Regulation spring power 13a, adjustable lever 8 is increased side R propelling to the fuel quantity of fuel quantity adjusting portion 9a, therefore compare with situation about only advancing by Regulation spring power 13a, adjustable lever 8 is difficult to produce fluctuation, the spin stabilization of motor.
" effect " can prevent the situation that percentage speed variation increases, and can improve the precision of mechanical speed governor.
Because in high load amount side control band 22, the idle spring force 21a that acts on the adjustable lever 8 disappears, only by Regulation spring power 13a, adjustable lever 8 is increased side R propelling to the fuel quantity of fuel quantity adjusting portion 9a, therefore compare with the situation that idle spring force 21a acts on adjustable lever 8 continuously, can obtain higher engine rotary speed.Thus, in the time that high loaded process can being reduced and the rotating deviation during no-load running, prevent that percentage speed variation from increasing, and can improve the precision of mechanical speed governor 6.
(invention relevant) with technological scheme 11
" effect " can prevent the increase of percentage speed variation by the idle spring of simple structure.
Shown in the example of Fig. 5, during rotating deviation when reducing high loaded process and during no-load running, hook 21b is set at the front end of idle spring 21, the return portion 21c break-through slidably of this hook 21b is got final product at the spring joining hole 8a of adjustable lever 8.Thus, can prevent the increase of percentage speed variation by the idle spring 21 of simple structure.
(invention relevant) with technological scheme 12
" effect " can realize that momentum increases by simple structure.
Shown in the example of Fig. 4 (B), by terminal side the simple structure of employing spring 23 only has been set at fuel limit part 16, can realize that momentum increases.
Description of drawings
Fig. 1 is the longitudinal sectional view of the speed regulator shell that horizontal diesel engine adopted relevant with embodiments of the present invention;
Fig. 2 is the speed regulator shell of Fig. 1 and the plan view of laterally cutting open of its peripheral part;
Fig. 3 is the speed regulator shell of Fig. 1 and the plan view of its periphery;
Fig. 4 is the figure of the interior adjustable lever of the speed regulator shell of explanatory drawing 1, and Fig. 4 (A) is the plan view of localised load operating condition, the plan view of Fig. 4 (B) expression rated load operating condition;
Fig. 5 is the plan view of the function of the interior idle spring of the speed regulator shell of explanatory drawing 1.
Wherein, description of reference numerals is as follows:
1 cylinder body, 2 speed regulator shells
2c weight upper section 2d wall
2e parts holding space 3 crankshaft gears
4 governor gears, 5 fuel injection cam gears
6 mechanical speed governors 7 are regulated the power generating mechanism
7a regulates power 7b governor weight
7c carry-out part 7d governor shaft
8c spring joining hole 9 fuel-injection pumps
9a fuel quantity adjusting portion 10 adjustable lever axles
10a upper bearing (metal) axle sleeve 10b lower bearing axle sleeve
10c spring force input arm 11 adjusting power input bar
12a Upper shaft sleeve 12b Lower shaft sleeve
13 Regulation spring 13a Regulation spring power
15 torques of 14 speed control rods increase device
16 fuel limit parts, 17 sub load amount control bands
17a low-load amount side control band 18 rated load amount adjusted positions
19 excess load amount control bands, 20 spring fixed mechanisms
The idle spring force of 21 idle spring 21a
21d curved part 22 high load amount side control bands
Employing spring 23a for 23 rises and employs spring force
24 starting incremental counters
Embodiment
Accompanying drawing 1～5 is the figure of the explanation horizontal diesel engine relevant with embodiments of the present invention.
The summary of this diesel engine is as described below.
As shown in Figure 1 and Figure 2, speed regulator shell 2 is installed, is accommodated adjusting power generating mechanism 7 and the adjustable lever 8 and the fuel-injection pump 9 of mechanical speed governor 6 in the inside of this speed regulator shell 2 in the front portion of cylinder body 1.Also accommodate crankshaft gear 3 and adjusting gear 4 and air valve cam wheel 5 in the inside of this speed regulator shell 2.
The structure of mechanical speed governor 6 is as described below.
As shown in Figure 1, in the inside of speed regulator shell 2 towards holding adjustable lever axle 10 along the vertical direction, adjustable lever 8 is installed on this adjustable lever axle 10, this adjustable lever 8 is made of adjusting power input bar 11 and spring force input bar 12, make input part 11a, the 11a of adjusting power input bar 11 and the carry-out part 7c butt of adjusting power generating mechanism 7, the carry-out part 11b of adjusting power input bar 11 is combined with the fuel quantity adjusting portion 9a of fuel-injection pump 9, Regulation spring power 13a is input on the spring force input bar 12, by speed control rod 14, regulate this Regulation spring power 13a.Fuel quantity adjusting portion 9a is the fuel adjusting tooth bar, and the carry-out part 11b of adjusting power input bar 11 combines with the rack pins 9b of fuel adjusting tooth bar.
As shown in Figure 2, on spring force input bar 12, torque is set and increases device 15, shown in Fig. 4 (A), torque increases device 15 and is made of torque pin 15a and torque spring 15b and retainer 15c, by torque spring 15b make torque pin 15a from retainer 15c along releasing directive effect, make from front end and adjusting power input bar 11 butts of the torque pin 15a of retainer 15c release, fuel limit part 16 and spring force input bar 12 are faced.Also this torque can be increased device 15 and not be installed on the spring force input bar 12, and be installed on the adjusting power input bar 11, make front end and spring force input bar 12 butts of torque pin 15a.
The function of mechanical speed governor 6 is as described below.
Shown in Fig. 4 (B), when rated load turns round, make spring force input bar 12 and fuel limit part 16 butts, the rated load amount adjusted position 18 of fuel quantity adjusting portion 9a is limited.When excess load is turned round, under the state that makes spring force input bar 12 and fuel limit part 16 butts,, adjusting power input bar 11 is shaken by regulating the unbalanced force of power 7a and torque spring power 15a, in excess load amount control band 19,9a regulates to the fuel quantity adjusting portion.When excess load was turned round, by torque pin 15a outstanding from retainer 15c, in excess load amount control band 19,9a regulated to the fuel quantity adjusting portion, makes engine rotary speed apace near the peak torque rotational speed, suppresses motor and stops.And, when rated load turns round, can obtain maximum output, can under the peak torque rotational speed, obtain peak torque.
Structure about adjustable lever 8 is as described below.
As shown in Figure 1, when outside each axle sleeve of adjusting power input bar 11 and spring force input bar 12, being embedded on the adjustable lever axle 10, go up the axle sleeve that Lower shaft sleeve 12a, 12b constitute spring force input bar 12 with a pair of, this on Lower shaft sleeve 12a, 12b be disposed at adjusting power import bar 11 axle sleeve 11c about.Axle sleeve 11c and spring force at adjusting power input bar 11 are imported between the Upper shaft sleeve 12a of bar 12, dispose the lower bearing axle sleeve 10b of adjustable lever axle 10.Regulation spring power input arm 10c is installed in the upper end portion of adjustable lever axle 10, between speed control rod 14 and spring force input arm 10c, sets up Regulation spring 13, on adjustable lever axle 10, be fixed with the Upper shaft sleeve 12a of spring force input bar 12.On the Lower shaft sleeve 12b of spring force input bar 12, be mounted with the axle sleeve 11c of adjusting power input bar 11.As shown in Figure 2, connect pin 10d at the Upper shaft sleeve 12a of spring force input bar 12 and the radial direction of adjustable lever axle 10, sell 10d with this, the Upper shaft sleeve 12a that spring force is imported bar 12 is fixed on the adjustable lever axle 10.
Structure about adjustable lever axle 10 is as described below.
As shown in Figure 1, in the roof 2a of speed regulator shell 2, the part of top that will be positioned at adjustable lever 8 is as bar upper section 2b, the part of governor weight 7b top that will be positioned at adjusting power generating mechanism 7 is as weight upper section 2c, make bar upper section 2b be lower than weight upper section 2c, the upper bearing (metal) axle sleeve 10a of adjustable lever axle 10 is set on this bar upper section 2b, this upper bearing (metal) axle sleeve 10a is projected upwards at upper and lower from bar upper section 2b.From the upright wall 2d that sets up of the front-end edge portion of above-mentioned bar upper section 2b, between this wall 2d and cylinder body 1, above the bar upper section 2b and be lower than on the position of above-mentioned weight upper section 2c parts holding space 2e is set, in the inside of this parts holding space 2e, accommodate the upper bearing (metal) axle sleeve 10a of speed control rod 14 and Regulation spring 13 and spring force input arm 10c and adjustable lever axle 10.On the front end of speed control rod 14, setting operation handle 14a moves along the arc groove 2f of wall 2d by making this operating handle 14a, speed control rod 14 can be set in the speed governing position of regulation.By this operating handle 14a being temporarily fixed on the assigned position of arc groove 2f, speed control rod 14 can be fixed on the speed governing position of regulation.
As described below about the structure of regulating power generating mechanism 7.
As shown in Figure 1, a pair of input part 11a, 11a up and down is set on the axle sleeve 11c of adjusting power input bar 11, makes this a pair of up and down input part 11a, the 11a and the carry-out part 7c butt of adjusting power generating mechanism 7.The size of above-below direction of axle sleeve 11c that makes adjusting power input bar 11 is greater than the outside dimension of adjusting axle 7d, make from outstanding a pair of input part 11a, the 11a up and down of the upper and lower end parts of this axle sleeve 11c, about adjusting axle 7d, with the carry-out part 7c butt of the power of adjusting generating mechanism 7.As shown in Figure 2, as the power of adjusting generating mechanism 7, spherical governor weight 7b and slider 7e are set, make the inclined-plane butt of governor weight 7b and slider 7e, at governor weight 7b by utilizing centrifugal force to advance along centrifugal direction, make slider 7e when adjusting axle 7d advances, be set side by side with 6 governor weight 7b.Carry-out part 7c is thin bearing (ス ラ イ ス ベ ア リ Application グ/Slice Bearng).
Other structure is as described below.
As shown in Figure 5, set up idle spring 21 being fixed between spring fixed mechanism 20 on the speed regulator shell 2 and the adjusting power input bar 11, in the low-load amount side control band 17a of fuel quantity adjusting portion 9a, by idle spring force 21a and Regulation spring power 13a, adjusting power input bar 11 is increased side R propelling to the fuel quantity of fuel quantity adjusting portion 9a, in the high load amount side control band 22 of crossing low-load amount side control band 17a, the idle spring force 21a that acts on adjusting power input bar 11 disappears, only, adjusting power input bar 11 is increased side R propelling to the fuel quantity of fuel quantity adjusting portion 9a by Regulation spring power 13a.Front end at idle spring 21 is provided with hook 21b, with the return portion 21c break-through slidably of this hook 21b spring joining hole 8a at adjustable lever 8, in the low-load amount side control band 17a of fuel quantity adjusting portion 9a, the curved part 21d of hook 21b combines with adjustable lever 8, in high load amount side control band 22, the curved part 21d of hook 21b does not combine with adjustable lever 8.Also can replace adjusting power input bar 11, by idle spring 21 spring force be imported bar 12 and advance.
Shown in Fig. 4 (B), terminal side at fuel limit part 16, be provided with and employed spring 23, employ spring 23 by rising, fuel limit part 16 is advanced to its preceding extreme direction, when the diesel engine starting that does not produce adjusting power 7a, by speed control rod 14 is set in high speed position, overcome and employed spring force 23a, utilized Regulation spring power 13a that fuel limit part 16 is pressed into to its proximal direction, and made fuel quantity adjusting portion 9a be positioned at momentum increase position 24.When producing the common running of adjusting power 7a, because the power of adjusting 7a overcomes Regulation spring power 13a, so fuel limit part 16 can be pressed into to its proximal direction, fuel limit part 16 is implemented its original function.
Claims (12)
1. horizontal diesel engine, speed regulator shell (2) is installed in front portion at cylinder body (1), in this speed regulator shell (2), held adjusting power generating mechanism (7) and the adjustable lever (8) and the fuel-injection pump (9) of mechanical speed governor (6), it is characterized in that:
In speed regulator shell (2), hold adjustable lever axle (10) towards above-below direction, go up installation adjustable lever (8) at this adjustable lever axle (10), constitute this adjustable lever (8) by adjusting power input bar (11) and spring force input bar (12), should adjusting power the input part (11a of input bar (11), 11a) with carry-out part (7c) butt of regulating power generating mechanism (7), the carry-out part (11b) of adjusting power input bar (11) is combined with the fuel quantity adjusting portion (9a) of fuel-injection pump (9), Regulation spring power (13a) is input on the spring force input bar (12), regulates this Regulation spring power (13a) by speed control rod (14);
Among spring force input bar (12) and adjusting power input bar (11), torque is set on the bar (12) therein increases device (15), torque increases device (15) by torque pin (15a) and torque spring (15b) and retainer (15c) formation, by torque spring (15b), torque pin (15a) is pushed towards the direction of releasing from retainer (15c), front end and another bar (11) butt of the torque pin (15a) that will release from retainer (15c) are imported bar (12) with fuel limit part (16) and spring force and are faced;
Speed control rod (14) is being set under the situation of high speed position,
When sub load turns round, by adjusting power (7a) and Regulation spring power (13a), torque pin (15a) is pressed under the state of retainer (15c), unbalanced force by adjusting power (7a) and Regulation spring power (13a), adjusting power input bar (11) and spring force input bar (12) one are shaken, in sub load amount control band (17), (9a) regulates to the fuel quantity adjusting portion;
When rated load turns round, spring force is imported bar (12) and fuel limit part (16) butt, the rated load amount adjusted position (18) of fuel limitation amount adjusting portion (9a);
When excess load is turned round, under the state of spring force being imported bar (12) and fuel limit part (16) butt, unbalanced force by adjusting power (7a) and torque spring power (15d), adjusting power input bar (11) is shaken, in excess load amount control band (19), (9a) regulates to the fuel quantity adjusting portion;
When outside each axle sleeve, being embedded on the adjustable lever axle (10) with adjusting power input bar (11) and spring force input bar (12), go up the axle sleeve that Lower shaft sleeve (12a, 12b) constitutes spring force input bar (12) by a pair of, will go up Lower shaft sleeve (12a, 12b) be disposed at adjusting power import bar (11) axle sleeve (11c) about.
2. horizontal diesel engine according to claim 1 is characterized in that, imports between the Upper shaft sleeve (12a) of bar (12) at the axle sleeve (11c) and the spring force of adjusting power input bar (11), has disposed the lower bearing axle (10b) of adjustable lever axle (10).
3. horizontal diesel engine according to claim 1 and 2, it is characterized in that, Regulation spring power input arm (10c) is installed in the upper end portion of adjustable lever axle (10), between speed control rod (14) and spring force input arm (10c), set up Regulation spring (13), on adjustable lever axle (10), fixed the Upper shaft sleeve (12a) of spring force input bar (12).
4. horizontal diesel engine according to claim 3 is characterized in that, on the Lower shaft sleeve (12b) of spring force input bar (12), the axle sleeve (11c) of adjusting power input bar (11) has been installed.
5. horizontal diesel engine according to claim 1 and 2 is characterized in that:
In the roof (2a) with speed regulator shell (2), be positioned at the part of top of adjustable lever (8) as bar upper section (2b), the part of governor weight (7b) top that will be positioned at adjusting power generating mechanism (7) is as weight upper section (2c), set bar upper section (2b) to such an extent that be lower than weight upper section (2c), the upper bearing (metal) axle sleeve (10a) of adjustable lever axle (10) is set on this bar upper section (2b), this upper bearing (metal) axle sleeve (10a) is outstanding up and down from weight upper section (2b).
6. horizontal diesel engine according to claim 5 is characterized in that:
From the upright wall (2d) of setting up of the front-end edge portion of above-mentioned bar upper section (2b), between this wall (2d) and cylinder body (1), top at bar upper section (2b), on the position that is lower than above-mentioned weight upper section (2c), parts holding space (2e) is set, in this parts holding space (2e), held the upper bearing (metal) axle sleeve (10a) of speed control rod (14) and Regulation spring (13) and spring force input arm (10c) and adjustable lever axle (10).
7. horizontal diesel engine according to claim 1 and 2 is characterized in that:
On the axle sleeve (11c) of adjusting power input bar (11), a pair of input part (11a, 11a) up and down is set, input part (11a, 11a) that this is a pair of up and down and carry-out part (7c) butt of regulating power generating mechanism (7).
8. horizontal diesel engine according to claim 7 is characterized in that:
Set the size of the above-below direction of the axle sleeve (11c) of adjusting power input bar (11) greater than the outside dimension of governor shaft (7d), about governor shaft (7d), a pair of up and down input part (11a, 11a) and carry-out part (7c) butt of regulating power generating mechanism (7) that will give prominence to from the upper and lower end parts of this axle sleeve (11c).
9. horizontal diesel engine according to claim 1 and 2 is characterized in that:
As regulating power generating mechanism (7) spherical governor weight (7b) and slider (7e) are set, the inclined-plane butt of this governor weight (7b) and slider (7e), by the governor weight (7b) that relies on centrifugal force to advance to centrifugal direction, make slider (7e) when advancing, be set up in parallel 3 and above governor weight (7b) along governor shaft (7d).
10. horizontal diesel engine according to claim 1 and 2 is characterized in that:
Between spring fixed mechanism (20) that is fixed in speed regulator shell (2) and adjustable lever (8), set up idle spring (21), in the low-load amount side control band (17a) of fuel quantity adjusting portion (9a), by idle spring force (21a) and Regulation spring power (13a), adjustable lever (8) is increased side (R) propelling to the fuel quantity of fuel quantity adjusting portion (9a), in surpassing the high load amount side control band (22) of low-load amount side control band (17a), the idle spring force (21a) that acts on this adjustable lever (8) disappears, only, adjustable lever (8) is increased side (R) propelling to the fuel quantity of fuel quantity adjusting portion (9a) by Regulation spring power (13a).
11. horizontal diesel engine according to claim 10 is characterized in that:
Front end at idle spring (21) is provided with hook (21b), with return portion (21c) break-through slidably of this hook (21b) spring joining hole (8a) at adjustable lever (8), in the low-load amount side control band (17a) of fuel quantity adjusting portion (9a), the curved part (21d) of hook (21b) combines with adjustable lever (8), in high load amount side control band (22), the curved part (21d) of this hook (21b) does not combine with adjustable lever (8).
12. horizontal diesel engine according to claim 1 and 2 is characterized in that:
Rise in the terminal side setting of fuel limit part (16) and to employ spring (23), rise by this and to employ spring (23), fuel limit part (16) is advanced to its preceding extreme direction, in engine start, when adjusting power (7a) does not also take place, by speed control rod (14) is set in high speed position, overcome and employed spring force (23a), by Regulation spring power (13a), fuel limit part (16) is pressed into to its proximal direction, fuel quantity adjusting portion (9a) has been positioned at momentum increases position (24).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004086296 | 2004-03-24 | ||
| JP2004086296A JP4164464B2 (en) | 2004-03-24 | 2004-03-24 | Horizontal diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1673503A CN1673503A (en) | 2005-09-28 |
| CN100410511C true CN100410511C (en) | 2008-08-13 |
Family
ID=35046253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410077906XA Expired - Fee Related CN100410511C (en) | 2004-03-24 | 2004-09-17 | Horizontal diesel engine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4164464B2 (en) |
| CN (1) | CN100410511C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061078B (en) * | 2013-03-21 | 2018-05-18 | 株式会社久保田 | The arrangements for speed regulation of engine |
| CN108644011A (en) * | 2018-04-10 | 2018-10-12 | 中国北方发动机研究所(天津) | A kind of novel high power to weight ratio vertical pivot diesel engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250388A (en) * | 1996-03-15 | 1997-09-22 | Kubota Corp | Integrally cast engine |
| CN2423413Y (en) * | 2000-05-22 | 2001-03-14 | 江苏五菱柴油机股份有限公司 | Horizontal double-cylinder diesel engine |
| CN2495820Y (en) * | 2001-08-23 | 2002-06-19 | 山东巨菱股份有限公司 | Single cylinder, horizontal arranged and air cooling type diesel engine |
| CN2498339Y (en) * | 2001-09-07 | 2002-07-03 | 魏秀坤 | Automatic pressure-reducing device of horizontal diesel engine |
-
2004
- 2004-03-24 JP JP2004086296A patent/JP4164464B2/en not_active Expired - Fee Related
- 2004-09-17 CN CNB200410077906XA patent/CN100410511C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250388A (en) * | 1996-03-15 | 1997-09-22 | Kubota Corp | Integrally cast engine |
| CN2423413Y (en) * | 2000-05-22 | 2001-03-14 | 江苏五菱柴油机股份有限公司 | Horizontal double-cylinder diesel engine |
| CN2495820Y (en) * | 2001-08-23 | 2002-06-19 | 山东巨菱股份有限公司 | Single cylinder, horizontal arranged and air cooling type diesel engine |
| CN2498339Y (en) * | 2001-09-07 | 2002-07-03 | 魏秀坤 | Automatic pressure-reducing device of horizontal diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005273517A (en) | 2005-10-06 |
| CN1673503A (en) | 2005-09-28 |
| JP4164464B2 (en) | 2008-10-15 |
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Granted publication date: 20080813 Termination date: 20110917 |