CN110500187B - Engine speed regulation pulling plate and engine speed regulation operating device - Google Patents
Engine speed regulation pulling plate and engine speed regulation operating device Download PDFInfo
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- CN110500187B CN110500187B CN201910927542.6A CN201910927542A CN110500187B CN 110500187 B CN110500187 B CN 110500187B CN 201910927542 A CN201910927542 A CN 201910927542A CN 110500187 B CN110500187 B CN 110500187B
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 100
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/04—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by mechanical control linkages
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention belongs to the field of engines, and discloses an engine speed regulation pull plate and an engine speed regulation operating device, wherein the engine speed regulation pull plate comprises a plate, a connecting piece and an adjusting piece; one end of the plate is provided with a rotary hole, the rotary hole is used for installing a rotary shaft, the plate rotates relative to the rotary shaft, the other end of the plate is provided with a first handle installation hole and a second handle installation hole, and a connecting line of the central point of the first handle installation hole and the central point of the second handle installation hole is perpendicular to the plate; one end of the connecting piece is arranged on the plate; the adjusting piece is arranged at the other end of the connecting piece, and one end of the adjusting piece is fixedly connected with one end of the speed regulating tension spring; when the first handle mounting hole moves along the horizontal pulling groove on the shell, the second handle mounting hole moves along the vertical pulling groove and drives the plate to rotate, the plate rotates to drive the adjusting piece to move, and the adjusting piece moves to be used for adjusting the elongation of the speed regulating tension spring. The invention can realize the conversion between horizontal pull speed regulation and vertical pull speed regulation without replacing parts.
Description
Technical Field
The invention belongs to the technical field of engines, and particularly relates to an engine speed regulation pull plate and an engine speed regulation operating device.
Background
The throttle speed regulating mechanism of the existing engine mainly comprises a horizontal pulling type speed regulating mechanism and a vertical pulling type speed regulating mechanism. At present, in the same engine, two speed regulation operating modes of a horizontal pulling type and a vertical pulling type can not be directly converted with each other, and parts of the whole speed regulation mechanism need to be replaced. When the market demand is the engine of the vertical pulling type speed regulating mechanism, a vertical pulling throttle component and a vertical pulling chamber cover are adopted in production; when the engine is in need of a horizontal pulling type speed regulating mechanism, parts such as a vertical pulling throttle assembly, a vertical pulling chamber cover and the like are required to be replaced by the horizontal pulling throttle assembly and the horizontal pulling chamber cover. Although the method can solve the problem of market matching, the method can increase the production cost and the labor cost, and simultaneously bring inconvenience to the production of parts, the market maintenance and the data management.
Disclosure of Invention
The invention aims to provide an engine speed regulation pull plate and an engine speed regulation operating device, which can realize the conversion between horizontal pull speed regulation and vertical pull speed regulation under the condition of not replacing parts.
The technical scheme provided by the invention is as follows:
In one aspect, an engine speed tie plate is provided, comprising:
The plate is provided with a rotating hole at one end, the rotating hole is used for installing a rotating shaft to enable the plate to rotate relative to the rotating shaft, a first handle installing hole and a second handle installing hole are formed in the other end of the plate along the rotating direction of the plate, a connecting line of the central point of the first handle installing hole and the central point of the second handle installing hole is perpendicular to the plate, and the first handle installing hole and the second handle installing hole are used for installing a speed regulation handle;
one end of the connecting piece is arranged on the plate;
The adjusting piece is arranged at the other end of the connecting piece, and one end of the adjusting piece is fixedly connected with one end of the speed regulating tension spring;
when the first handle mounting hole moves along the transverse pulling groove on the shell for mounting the speed regulating pulling plate under the action of the speed regulating handle, the second handle mounting hole moves along the vertical pulling groove on the shell and drives the plate to rotate, the plate rotates to drive the regulating part to move, and the regulating part moves to regulate the elongation of the speed regulating tension spring.
Further preferably, the plate comprises a first plate, a second plate and a third plate which are sequentially connected, and the first plate and the third plate are arranged in parallel;
the first plate is provided with the rotating hole, and the third plate is provided with the first handle mounting hole and the second handle mounting hole;
one end of the connecting piece, which is far away from the adjusting piece, is arranged on the second plate.
Further preferably, the device further comprises a reinforcing rib;
one end of the reinforcing rib is arranged on the connecting piece, and the other end of the reinforcing rib is arranged on the second plate.
Further preferably, the first distance from the center point of the first handle mounting hole to the center point of the rotation hole is equal to the second distance from the center point of the second handle mounting hole to the center point of the rotation hole.
Further preferably, the adjusting member includes:
The screw rod is arranged at one end, far away from the plate, of the connecting piece, penetrates through the through hole, a fixing hole is formed in one end of the screw rod, the fixing hole is used for being fixedly connected with the speed regulating tension spring, and the screw rod is rotated to adjust the length of the fixing hole away from the through hole;
And the tightening nuts are arranged on the screw rod and are respectively positioned at two sides of the connecting piece, and the tightening nuts fix the screw rod on the connecting piece.
In another aspect, there is also provided an engine speed control device comprising: shell, rotation axis, speed governing lever, speed governing arm, speed governing extension spring, speed governing handle and foretell engine speed governing arm-tie:
the shell is provided with a horizontal pulling groove and a vertical pulling groove, the horizontal pulling groove extends along the length direction of the shell, and the vertical pulling groove extends along the width direction of the shell;
one end of the rotating shaft is arranged on the shell, the other end of the rotating shaft is inserted into the rotating hole, and the plate can be rotatably arranged relative to the rotating shaft;
the speed regulating lever is arranged on the shell;
The speed regulating arm is fixedly arranged on the speed regulating lever;
one end of the speed regulating tension spring is fixed on the speed regulating arm, and the other end of the speed regulating tension spring is fixed at one end of the regulating piece;
When the engine is in a horizontal pulling type speed regulation mode, one end of the speed regulation handle sequentially penetrates through the horizontal pulling groove and the first handle mounting hole and is fixed in the first handle mounting hole;
when the engine is in a vertical pulling type speed regulation mode, one end of the speed regulation handle sequentially penetrates through the vertical pulling groove position and the second handle mounting hole and is fixed in the second handle mounting hole.
Further preferably, the governor handle is screwed to the first handle mounting hole or the second handle mounting hole.
Further preferably, the method further comprises:
and the limiting piece is arranged on one side of the speed regulating arm and used for limiting the rotation angle of the speed regulating arm.
Further preferably, the horizontal pull groove position and the vertical pull groove position are respectively arc-shaped.
Further preferably, the method further comprises:
the fuel injection pump is arranged on the shell;
the oil limiter is arranged on the shell.
Compared with the prior art, the engine speed regulation pull plate and the engine speed regulation operating device provided by the invention have the following beneficial effects: according to the engine speed regulation pull plate, when the plate rotates, the first handle mounting hole moves along the transverse pull groove, the second handle mounting hole moves along the vertical pull groove, in the actual use process, if an adjustment mode needs to be replaced, the speed regulation handle is only required to be screwed down from the original handle mounting hole and fastened into the other handle mounting hole, conversion between transverse pull and vertical pull can be achieved, parts do not need to be replaced, multipurpose generalized operation can be achieved, multiple engines with different purposes can be adapted, in addition, redundant adjustment on other structures is not required, and the operation stability and reliability of a speed regulation control system after the speed regulation control system is converted into an operation mode are effectively guaranteed.
Drawings
The above features, technical features, advantages and implementation of an engine speed pull plate and an engine speed control device will be further described with reference to the accompanying drawings in a clearly understood manner.
FIG. 1 is a front view of an engine governor pulling plate of the present invention;
FIG. 2 is a right side view of an engine governor pulling plate of the present invention;
FIG. 3 is a front view of an engine speed pull plate of the present invention connected to a speed tension spring;
FIG. 4 is a schematic view showing movement of the first and second handle mounting holes when the plate member of the engine governor pulling plate of the present invention is rotated;
FIG. 5 is a top view of an engine governor control of the present invention;
FIG. 6 is a front view of an engine governor control of the present invention;
FIG. 7 is a rear view of an engine governor control of the present invention;
fig. 8 is a rear view of an engine governor control apparatus of the present invention with a trim panel removed.
Description of the reference numerals
1. A plate member; 11. a rotation hole; 12. a first handle mounting hole; 13. a second handle mounting hole; 14. a first plate member; 15. a second plate member; 16. a third plate member; 17. rotating the shaft sleeve; 18. a nut; 2. a connecting piece; 3. an adjusting member; 31. a screw; 311. a fixing hole; 312. an adjustment tank; 32. tightening the nut; 4. reinforcing ribs; 50. a housing; 501. horizontally pulling the groove; 502. vertically pulling the groove position; 503. a reinforcing member; 51. a rotation shaft; 52. a speed regulating arm; 53. a speed regulating tension spring; 54. a speed regulating handle; 55. a limiting piece; 56. an oil injection pump; 57. an oil limiter; 58. and (3) a decorative plate.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
For the sake of simplicity of the drawing, the parts relevant to the present invention are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
Referring to fig. 1 to 3, an engine speed adjusting pull plate includes a plate member 1, a connecting member 2 and an adjusting member 3. One end of the plate 1 is provided with a rotary hole 11, the rotary hole 11 is used for installing a rotary shaft, the plate 1 rotates relative to the rotary shaft, the other end of the plate 1 is provided with a first handle installation hole 12 and a second handle installation hole 13 along the rotation direction of the plate 1, a connecting line of the central point of the first handle installation hole 12 and the central point of the second handle installation hole 13 is perpendicular to the plate 1, and the first handle installation hole 12 and the second handle installation hole 13 are used for installing a speed regulation handle 54.
One end of the connecting member 2 is provided on the board 1. The adjusting piece 3 is arranged at the other end of the connecting piece 2, and one end of the adjusting piece 3 is fixedly connected with one end of the speed regulating tension spring 53;
When the first handle mounting hole 12 moves along the transverse pulling groove on the shell for mounting the speed regulating pull plate under the action of the speed regulating handle, the second handle mounting hole 13 moves along the vertical pulling groove on the shell and drives the plate 1 to rotate, the plate 1 rotates to drive the regulating piece 3 to move, and the regulating piece 3 moves to regulate the elongation of the speed regulating tension spring.
In this embodiment, the other end of the plate 1 is sequentially provided with a first handle mounting hole 12 and a second handle mounting hole 13 along the rotation direction of the plate 1, the first handle mounting hole 12 moves along a horizontal pull slot on the housing, the second handle mounting hole 13 moves along a vertical pull slot on the housing, in the actual use process, when vertical pull type speed regulation is needed, the speed regulating handle 54 is sequentially inserted into the vertical pull slot and the second handle mounting hole 13 and fixed, the user moves in the vertical pull slot (at this time, the first handle mounting hole 12 moves along the horizontal pull slot) by operating the speed regulating handle 54, the plate 1 is driven to rotate relative to the rotation shaft, the plate 1 rotates to drive the regulating member 3 to move, and the elongation of the speed regulating tension spring 53 is regulated when the regulating member 3 moves, so that vertical pull type speed regulation can be realized.
When horizontal pulling type speed regulation is needed, the speed regulating handle 54 is taken out from the second handle mounting hole 13 and sequentially inserted into the horizontal pulling groove position and the first handle mounting hole 12 for fixing, a user moves in the horizontal pulling groove position (at the moment, the second handle mounting hole 13 moves along the vertical pulling groove position) by operating the speed regulating handle 54, the plate 1 is driven to rotate relative to the rotating shaft, the plate 1 is rotated to drive the regulating element 3 to move, and the elongation of the speed regulating tension spring 53 is regulated when the regulating element 3 moves, so that horizontal pulling type speed regulation can be realized.
When the speed regulating handle is at the start position of the vertical-pulling type speed regulating accelerator, the speed regulating handle is also at the start position of the horizontal-pulling type speed regulating accelerator, and when the speed regulating handle is at the end position of the vertical-pulling type speed regulating accelerator, the speed regulating handle is also at the end position of the horizontal-pulling type speed regulating accelerator. For example, if the upper end of the vertical pulling slot is the throttle start point of vertical pulling type speed regulation, the left end of the horizontal pulling slot is the throttle start point of horizontal pulling type speed regulation; when the lower end of the vertical pulling groove is the throttle terminal point of the vertical pulling type speed regulation, the right end of the horizontal pulling groove is the throttle terminal point of the horizontal pulling type speed regulation.
In the actual use process, through the speed regulation pulling plate of this embodiment, if need change the regulation mode, only need to unscrew speed regulation handle 54 from original handle mounting hole, fasten in another handle mounting hole, just can realize the conversion between horizontal drawing and the vertical drawing, need not change spare part, can realize multipurpose universalization and operate, adaptable multiple different purpose engine, in addition need not carry out unnecessary adjustment to other structures, operation stability and reliability after effectively guaranteeing speed regulation operating system's conversion operating mode.
In one embodiment, with continued reference to fig. 2, the plate 1 includes a first plate 14, a second plate 15, and a third plate 16 connected in sequence, where the first plate 14 is disposed parallel to the third plate 16; the rotation hole 11 is provided on the first plate 14, the first handle mounting hole 12 and the second handle mounting hole 13 are provided on the third plate 16, respectively, and one end of the connecting member 2 away from the adjusting member 3 is provided on the second plate 15.
In this embodiment, when installing the speed governing arm-tie, insert in the rotatory hole 11 with the one end of the rotation axis that sets up on the casing, first plate 14 has certain distance from the casing this moment, if first handle mounting hole 12 and second handle mounting hole 13 all set up on first plate 14, lead to the installation of the inconvenient speed governing handle of handle mounting hole remote from the casing, this embodiment is through setting up first handle mounting hole 12 and second handle mounting hole 13 and rotatory hole 11 respectively on different boards, and make third plate 16 be close to the casing setting when installing, can reduce the distance of first handle mounting hole 12 and second handle mounting hole 13 from the casing, and then can reduce the length of speed governing handle, and the installation of convenient speed governing handle.
With continued reference to fig. 2, nuts 18 are respectively mounted in the first handle mounting hole 12 and the second handle mounting hole 13, and the first handle mounting hole 12 and the second handle mounting hole 13 are respectively in threaded connection with the speed adjusting handle through the nuts 18.
The rotary hole 11 can be fixedly connected with a rotary shaft sleeve 17, the rotary shaft sleeve 17 is sleeved on a rotary shaft, and the rotary shaft sleeve 17 rotates relative to the rotary shaft so as to realize the rotation of the speed regulation pull plate. The rotating abrasion of the plate 1 can be reduced by arranging the rotating shaft sleeve 17, so that the service life of the speed regulation pulling plate is prolonged.
The first plate 14, the second plate 15 and the third plate 16 may be welded together, or may be fastened together by means of screws or the like. Preferably, the first plate 14, the second plate 15 and the third plate 16 are integrally formed. Further, the first plate 14, the second plate 15, the third plate 16 and the connecting piece 2 are integrally formed, and the first plate 14, the second plate 15, the third plate 16 and the connecting piece 2 can be formed through sheet metal technology (bending and stamping). The speed regulation pull plate adopts a sheet metal structure design, so that the structural strength of the speed regulation pull plate can be improved, the types and the number of parts are effectively reduced, and the development period and the production cost are reduced.
Preferably, with continued reference to fig. 1, the speed adjusting tie plate further includes a reinforcing rib 4, one end of the reinforcing rib 4 is disposed on the connecting member 2, and the other end of the reinforcing rib 4 is disposed on the second plate 15. When the plate 1 rotates, the connecting piece 2 can be pulled by the speed regulating tension spring, and the reinforcing rib 4 is arranged in front of the connecting piece 2 and the second plate 15, so that the connecting piece 2 can be reinforced, and the connecting piece 2 can form internal bending stress, so that the connecting piece 2 is prevented from deforming when the speed regulating tension spring reciprocates.
Reinforcing ribs can be arranged between the first plate 14 and the second plate 15 to strengthen the connection strength of the first plate 14 and the second plate 15 and prevent the second plate 15 from deforming under the action of the tensile force of the connecting piece 2.
In one embodiment, the first distance from the center point of the first handle mounting hole 12 to the center point of the rotation hole 11 is equal to the second distance from the center point of the second handle mounting hole 13 to the center point of the rotation hole 11. The first distance is equal to the second distance, and the perpendicular foot of the line from the center point of the rotation hole 11 to the center point of the first handle mounting hole 12 and the center point of the second handle mounting hole 13 is the midpoint thereof. Referring to fig. 4, when the panel 1 is rotated, the first handle mounting hole 12 moves the same distance in the lateral pull groove as the second handle mounting hole 13 moves in the vertical pull groove. The control stroke of the horizontal pulling type speed regulation is the same as that of the vertical pulling type speed regulation, so that the operation of a user is convenient.
In one embodiment, with continued reference to fig. 1, the adjustment member 3 includes a threaded rod 31 and a tightening nut 32; one end of the connecting piece 2 far away from the plate 1 is provided with a through hole, the screw 31 penetrates through the through hole, one end of the screw 31 is provided with a fixing hole 311, the fixing hole 311 is used for fixedly connecting a speed regulating tension spring, and the screw 31 is rotated to adjust the length of the fixing hole 311 from the through hole; the tightening nut 32 includes two nuts which are respectively provided on the screw 31 and located on both sides of the connection member 2, and the tightening nut 32 fixes the screw 31 to the connection member 2.
When the timing pulling plate is provided on a different model, the position of the fixing hole 311 can be adjusted by rotating the screw 31. The position of the fixing hole 311 can be determined according to the position of the handle mounting hole, the elasticity of the speed adjusting tension spring and the force applied to the speed adjusting arm by the speed adjusting flyweight. Referring to FIG. 1, assuming that the effective travel of the speed adjusting tension spring is c, the manipulation travel of the speed adjusting handle is d, the distance from the center of the fixed hole 311 to the center of the rotating hole 11 is a, and the distance from the center of the first handle installation hole 12 to the center of the rotating hole 11 is b, a/b is less than or equal to c/d, the position of the fixed hole 311 can be determined by the formula, and the maximum working travel of the speed adjusting tension spring can be limited by changing the position of the fixed hole 311. The maximum working stroke of the speed regulating tension spring can be limited to achieve the effect of limiting the rotation speed of the engine, and the speed regulating tension spring and the oil limiter are often used together to achieve the best ideal effect.
When the position of the fixing hole 311 is adjusted, the nut 32 is first loosened and tightened, then the screw 31 is rotated to adjust the screw 31 to a proper position, and finally the nut 32 is tightened and tightened. In order to facilitate the adjustment of the screw 31, an adjustment groove 312 may be further provided at one end of the screw 31 far from the fixing hole 311, and the adjustment groove 312 may be a straight groove or a cross groove, etc. to rotate the screw 31 by various tools, thereby completing the adjustment of the fixing hole 311.
In this embodiment, the position of the fixing hole 311 can be conveniently adjusted by matching the screw 31 with the tightening nut 32, and in addition, the tightening nut 32 is selected to play a role in preventing loosening, so as to prevent loosening of the nut caused by vibration in the running process of the engine, and further prevent the change of the length of the screw 31.
The embodiment of the invention also provides an engine speed regulating operation device, referring to fig. 1 to 7, which comprises a shell 50, a rotating shaft 51, a speed regulating lever, a speed regulating arm 52, a speed regulating tension spring 53, a speed regulating handle 54 and the engine speed regulating pull plate according to any one of the above embodiments.
The housing 50 is provided with a horizontal drawing slot 501 and a vertical drawing slot 502, the horizontal drawing slot 501 extends along the length direction of the housing 50, and the vertical drawing slot 502 extends along the width direction of the housing 50. The horizontal drawing slot 501 and the vertical drawing slot 502 are respectively arc-shaped.
One end of a rotating shaft 51 is arranged on the shell 50, the other end of the rotating shaft 51 is inserted into the rotating hole 11, and the plate 1 can be rotatably arranged relative to the rotating shaft 51; the speed regulating arm 52 is fixedly arranged on the speed regulating lever; one end of the speed regulating tension spring 53 is fixed on the speed regulating arm 52, and the other end of the speed regulating tension spring 53 is fixed on one end of the adjusting member 3.
When the engine is in a horizontal pulling type speed regulation mode, one end of the speed regulation handle 54 sequentially passes through the horizontal pulling groove 501 and the first handle mounting hole 12 and is fixed in the first handle mounting hole 12;
when the engine is in a vertical pulling type speed regulation mode, one end of the speed regulation handle 54 sequentially passes through the vertical pulling groove 502 and the second handle mounting hole 13 and is fixed in the second handle mounting hole 13.
In the actual use process, when vertical pulling type speed regulation is needed, the speed regulation handle 54 is fixed in the second handle mounting hole 13, a user moves in the vertical pulling groove 502 by operating the speed regulation handle 54, the plate 1 is driven to rotate relative to the rotating shaft 51, the plate 1 rotates to drive the regulating element 3 to move, and the elongation of the speed regulation tension spring 53 is regulated when the regulating element 3 moves, so that vertical pulling type speed regulation can be realized.
When horizontal pulling type speed regulation is needed, the speed regulating handle 54 is taken out from the second handle mounting hole 13 and sequentially inserted into the horizontal pulling groove 501 and the first handle mounting hole 12 to be fixed, a user operates the speed regulating handle 54 to move in the horizontal pulling groove 501 to drive the plate 1 to rotate relative to the rotating shaft 51, the plate 1 rotates to drive the regulating piece 3 to move, and the elongation of the speed regulating tension spring 53 is regulated when the regulating piece 3 moves, so that horizontal pulling type speed regulation can be realized.
Through the speed regulation pulling plate of this embodiment, if need change the regulation mode, only need with the speed regulation handle 54 unscrew from original handle mounting hole, fasten to another handle mounting hole in, just can realize violently draw with erect and draw the conversion between the drawing, need not change spare part, can realize multipurpose universalization and operate, adaptable multiple different purpose engine, in addition need not carry out unnecessary adjustment to other structures, operation stability and reliability after effectively guaranteeing speed regulation operating system's conversion operating mode.
In one embodiment, the throttle handle 54 is threadably coupled to either the first handle mounting hole 12 or the second handle mounting hole 13. Nuts 18 are respectively installed in the first handle installation hole 12 and the second handle installation hole 13, and threads are arranged on the speed regulating handle 54. In the case of a pull-down speed adjustment, the speed adjustment handle 54 is threadedly connected to the nut 18 on the first handle mounting hole 12 to fix the speed adjustment handle 54; in the case of vertical pulling type speed regulation, the speed regulation handle 54 is in threaded connection with the nut 18 on the second handle mounting hole 13 to fix the speed regulation handle 54.
In one embodiment, the device further includes a limiting member 55, where the limiting member 55 is disposed on one side of the governor arm 52 and is used to limit the rotation angle of the governor arm 52. The limiting member 55 may be a rigid limiting screw, and the limiting member 55 may directly limit the speed adjusting arm 52 rigidly, and since the speed adjusting lever is propped up, even if the stroke of the speed adjusting tension spring 53 exceeds the effective speed adjusting range, the tension of the speed adjusting tension spring 53 cannot be continuously transmitted, so that the rotation speed of the engine does not exceed the set range, so as to limit the rotation speed of the engine.
The present embodiment adopts a speed-regulating double-limit structure, that is, the maximum working stroke of the speed-regulating tension spring 53 is regulated by the regulating element 3 to achieve the effect of limiting the engine rotation speed, and the limiting element 52 is arranged to limit the engine rotation speed, so that the phenomenon of performance deterioration of the diesel engine flying lamp caused by misoperation or improper operation of individuals can be effectively solved, and the operation stability and reliability of the diesel engine are improved.
In one embodiment, the engine speed control device further comprises: an injection pump 56 and an oil limiter 57, the injection pump 56 being provided on the housing 50; an oil limiter 57 is provided on the housing 50. The oil injection pump 56, the oil limiter 57, the speed regulating lever and the speed regulating pull plate are all arranged on the shell 50, the shell 50 is a gear chamber cover, and when the shell is machined, the related positioning measures can be adopted to avoid the problem of inconsistent speed regulating performance caused by the irrelevance of the production and machining of the original positioning holes, and the measures can further improve the positioning precision and the structural stability.
In order to increase the stability of the injection pump 56 on the housing 50, a reinforcement 503 may also be provided on the housing 50, which reinforcement 503 may be used to support the tail of the injection pump 56.
In this embodiment, referring to fig. 8, the mounting position of the engine speed adjusting pull plate is higher than the outer side surface of the gear chamber cover, so that accessibility during installation, debugging, maintenance and disassembly of the diesel engine can be improved; and the decorative plate 58 is arranged above the gear chamber cover, so that the speed regulation pull plate can be protected from being corroded by water stains and oil stains in the operation process, the problem of elastic force attenuation caused by the corrosion is avoided, and the reliability and the service life of the system are improved.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. An engine speed control tie plate, comprising:
The plate is provided with a rotating hole at one end, the rotating hole is used for installing a rotating shaft to enable the plate to rotate relative to the rotating shaft, a first handle installing hole and a second handle installing hole are formed in the other end of the plate along the rotating direction of the plate, a connecting line of the central point of the first handle installing hole and the central point of the second handle installing hole is perpendicular to the plate, and the first handle installing hole and the second handle installing hole are used for installing a speed regulation handle;
one end of the connecting piece is arranged on the plate;
The adjusting piece is arranged at the other end of the connecting piece, and one end of the adjusting piece is fixedly connected with one end of the speed regulating tension spring;
when the first handle mounting hole moves along the transverse pulling groove on the shell for mounting the speed regulating pulling plate under the action of the speed regulating handle, the second handle mounting hole moves along the vertical pulling groove on the shell and drives the plate to rotate, the plate rotates to drive the regulating part to move, and the regulating part moves to regulate the elongation of the speed regulating tension spring.
2. An engine speed pull plate according to claim 1, wherein,
The plate comprises a first plate, a second plate and a third plate which are sequentially connected, and the first plate and the third plate are arranged in parallel;
the first plate is provided with the rotating hole, and the third plate is provided with the first handle mounting hole and the second handle mounting hole;
one end of the connecting piece, which is far away from the adjusting piece, is arranged on the second plate.
3. An engine speed pull plate according to claim 2, wherein,
The device also comprises a reinforcing rib;
one end of the reinforcing rib is arranged on the connecting piece, and the other end of the reinforcing rib is arranged on the second plate.
4. An engine speed pull plate according to any one of claims 1-3, wherein,
The first distance from the center point of the first handle mounting hole to the center point of the rotation hole is equal to the second distance from the center point of the second handle mounting hole to the center point of the rotation hole.
5. An engine speed pull plate according to any one of claims 1-3, wherein,
The adjusting member includes:
The screw rod is arranged at one end, far away from the plate, of the connecting piece, penetrates through the through hole, a fixing hole is formed in one end of the screw rod, the fixing hole is used for being fixedly connected with the speed regulating tension spring, and the screw rod is rotated to adjust the length of the fixing hole away from the through hole;
And the tightening nuts are arranged on the screw rod and are respectively positioned at two sides of the connecting piece, and the tightening nuts fix the screw rod on the connecting piece.
6. An engine speed control device comprising a housing, a rotating shaft, a speed control lever, a speed control arm, a speed control tension spring, a speed control handle and an engine speed control pull plate according to any one of claims 1-5:
the shell is provided with a horizontal pulling groove and a vertical pulling groove, the horizontal pulling groove extends along the length direction of the shell, and the vertical pulling groove extends along the width direction of the shell;
one end of the rotating shaft is arranged on the shell, the other end of the rotating shaft is inserted into the rotating hole, and the plate can be rotatably arranged relative to the rotating shaft;
the speed regulating lever is arranged on the shell;
The speed regulating arm is fixedly arranged on the speed regulating lever;
one end of the speed regulating tension spring is fixed on the speed regulating arm, and the other end of the speed regulating tension spring is fixed at one end of the regulating piece;
When the engine is in a horizontal pulling type speed regulation mode, one end of the speed regulation handle sequentially penetrates through the horizontal pulling groove and the first handle mounting hole and is fixed in the first handle mounting hole;
when the engine is in a vertical pulling type speed regulation mode, one end of the speed regulation handle sequentially penetrates through the vertical pulling groove position and the second handle mounting hole and is fixed in the second handle mounting hole.
7. An engine speed control device as claimed in claim 6, wherein,
The speed regulating handle is in threaded connection with the first handle mounting hole or the second handle mounting hole.
8. An engine speed control device as claimed in claim 7, wherein,
Further comprises:
and the limiting piece is arranged on one side of the speed regulating arm and used for limiting the rotation angle of the speed regulating arm.
9. An engine speed control device as claimed in claim 6, wherein,
The horizontal drawing slot position and the vertical drawing slot position are respectively arc-shaped.
10. An engine speed control device as claimed in claim 6, wherein,
Further comprises:
the fuel injection pump is arranged on the shell;
the oil limiter is arranged on the shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927542.6A CN110500187B (en) | 2019-09-27 | 2019-09-27 | Engine speed regulation pulling plate and engine speed regulation operating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927542.6A CN110500187B (en) | 2019-09-27 | 2019-09-27 | Engine speed regulation pulling plate and engine speed regulation operating device |
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| CN110500187A CN110500187A (en) | 2019-11-26 |
| CN110500187B true CN110500187B (en) | 2024-06-07 |
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| CN110500187A (en) | 2019-11-26 |
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