Speed regulation arm assembly for improving operation stability of diesel engine of generator set

Abstract

The utility model relates to the technical field of diesel engine speed regulators, in particular to a speed regulation arm assembly capable of improving operation stability of a diesel engine of a generator set, which comprises a speed regulation arm body, a pin shaft, a top protrusion and a lever body. The pin shaft is rotationally connected to one end of the speed regulating arm body, the top protrusion is connected to the other end of the speed regulating arm body, and the lever body is fixedly connected with the speed regulating arm body. According to the speed regulating arm assembly for improving the operation stability of the diesel engine of the generator set, the manufacturing process is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engine speed governors, in particular to a speed regulating arm assembly for improving the operating stability of a diesel engine of a generator set. Background Art

[0002] The existing mechanical speed governor is only suitable for diesel engines used in engineering machinery with higher speeds due to problems such as the internal structure of the speed governor and the large friction force within the system. If it is used in a speed governor with a low speed regulation rate, it will cause the diesel engine of the generator set to have problems such as jitter and shaking. The Chinese utility model patent with publication number CN210195880U discloses a fuel injection pump speed regulating device with an electric flameout function controlled by a torsion spring. The torsion spring structure is used to ensure that the gear rod changes evenly with the speed when the speed changes and has good recovery. In the above patent, the speed regulating lever is an integrated structure. The disadvantages of this structure are: (1) The manufacturing process is relatively complicated. Since the speed regulating lever needs to cooperate with the speed regulating torsion spring, connecting plate, starting enrichment rod, intermediate shaft, T-shaped support block, conical stabilizing spring and other components, the processing accuracy needs to be guaranteed; (2) Once the speed regulating lever is damaged, the entire speed regulating lever needs to be replaced.

[0003] Based on this, it is necessary to improve the existing speed regulating lever. Utility Model Content

[0004] Technical purpose: In order to overcome the deficiencies in the prior art, the utility model provides a speed regulating arm assembly for improving the operating stability of a diesel engine of a generator set.

[0005] Technical solution: To achieve the above purpose, the utility model discloses a speed regulating arm assembly for improving the operating stability of a diesel engine of a generator set, comprising:

[0006] A speed regulating arm body extending in a first direction, wherein a first shaft hole for connecting a rotating shaft is provided between two ends of the speed regulating arm body;

[0007] A pin shaft, the pin shaft being rotatably connected to one end of the speed regulating arm body;

[0008] A top protrusion is connected to the other end of the speed regulating arm body.

[0009] Preferably, both ends of the pin shaft protruding from the speed regulating arm body are rotatably connected with sleeves, and the sleeves are axially fixed by a retaining ring.

[0010] Preferably, a first fixing hole is provided between the first shaft hole and the pin shaft.

[0011] Preferably, it also includes a lever body, which includes a first plate portion, a second plate portion and a cover plate, the first plate portion and the second plate portion are arranged in parallel, the cover plate is connected to one end of the first plate portion and the second plate portion, and the first plate portion, the second plate portion and the cover plate are U-shaped.

[0012] Preferably, the cover plate is provided with a clearance hole for the top protrusion to pass through.

[0013] Preferably, the first plate portion and the second plate portion are provided with a through second axial hole, and the first axial hole and the second axial hole are axially aligned.

[0014] Preferably, a length of the first plate portion in the first direction is greater than a length of the second plate portion in the first direction.

[0015] Preferably, the first plate portion and the second plate portion are provided with a second fixing hole axially aligned with the first fixing hole.

[0016] Preferably, one end of the first plate portion is provided with a third connecting hole for connecting to a connecting plate.

[0017] Preferably, the first plate portion is provided with a notch for the pin to pass through.

[0018] The utility model has the following technical effects:

[0019] The speed regulating arm assembly is mainly composed of two parts: a speed regulating arm body and a lever body. Compared with the existing integrated speed regulating lever, the manufacturing process is simpler; if the speed regulating arm body and the lever body are damaged at will, only the corresponding parts need to be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the speed regulating arm body from the first perspective;

[0021] Figure 2 It is a structural schematic diagram of the speed regulating arm body from a second viewing angle;

[0022] Figure 3 It is a structural schematic diagram of the lever body from the first perspective;

[0023] Figure 4 It is a structural schematic diagram of the lever body from a second perspective;

[0024] Figure 5 This is a schematic diagram of the diesel engine speed governor.

[0025] In the figure, 1, the speed regulating arm body; 2, the rotating shaft; 3, the first rotating shaft; 4, the pin shaft; 5, the top protrusion; 6, the sleeve; 7, the retaining ring; 8, the first fixing hole; 9, the lever body; 10, the first plate part; 11, the second plate part; 12, the cover plate; 13, the clearance hole; 14, the second shaft hole; 15, the second fixing hole; 16, the connecting plate; 17, the third connecting hole; 18, the notch. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1 To Attachment Figure 5 The principles and features of the present invention are described in detail. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. Figure 1 The X direction in is the first direction.

[0027] A speed regulating arm assembly for improving the running stability of a diesel engine of a generator set comprises a speed regulating arm body 1, a pin shaft 4, a top protrusion 5 and a lever body 9.

[0028] The speed regulating arm body 1 is extended along a first direction. A first shaft hole 3 for connecting a rotating shaft 2 is provided between the two ends of the speed regulating arm body 1. The speed regulating arm body 1 is rotatably connected to the speed regulator housing through the rotating shaft 2. The pin shaft 4 is rotatably connected to one end of the speed regulating arm body 1, and the top protrusion 5 is screwed to the other end of the speed regulating arm body 1. The two ends of the pin shaft 4 protruding from the speed regulating arm body 1 are rotatably connected with sleeves 6, and the sleeves 6 are axially fixed by retaining rings 7, and the support arm of the speed regulating spring rests on the pin shaft 4.

[0029] The lever body 9 includes a first plate portion 10, a second plate portion 11 and a cover plate 12, wherein the first plate portion 10 and the second plate portion 11 are arranged in parallel, and the cover plate 12 is connected to one end of the first plate portion 10 and the second plate portion 11. The length of the first plate portion 10 in the first direction is greater than the length of the second plate portion 11 in the first direction. The first plate portion 10, the second plate portion 11 and the cover plate 12 are integrally formed and form an approximately U-shape. The first plate portion 10 and the second plate portion 11 are provided with a through second axial hole 14, the first axial hole 3 and the second axial hole 14 are axially aligned, and the pin 4 passes through the first axial hole 3 and the second axial hole 14. A first fixing hole 8 is provided between the first axial hole 3 and the pin 4 of the speed regulating arm body 1; second fixing holes 15 are provided on the first plate portion 10 and the second plate portion 11, respectively, the first fixing hole 8 and the second fixing hole 15 are axially aligned and are penetrated with fasteners. The speed regulating arm body 1 and the lever body 9 are relatively fixed to the rotating shaft 2 by fasteners.

[0030] The cover plate 12 is provided with a clearance hole 13 for the top protrusion 5 to pass through; a third connection hole 17 for connecting to the connection plate 16 and a notch 18 for the pin shaft 4 to pass through are provided at one end of the first plate portion 10.

[0031] The working principle of the medium-volume speed regulator of this solution has been disclosed in the Chinese utility model patent with publication number CN210195880U, and will not be repeated here.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A speed regulating arm assembly for improving the operating stability of a diesel engine of a generator set, characterized in that: include: A speed regulating arm body (1) extending in a first direction, wherein a first shaft hole (3) for connecting a rotating shaft (2) is provided between two ends of the speed regulating arm body (1); A pin shaft (4), the pin shaft (4) being rotatably connected to one end of the speed regulating arm body (1); A top protrusion (5), wherein the top protrusion (5) is connected to the other end of the speed regulating arm body (1); A lever body (9), the lever body (9) comprising a first plate portion (10), a second plate portion (11) and a cover plate (12), the first plate portion (10) and the second plate portion (11) being arranged in parallel, the cover plate (12) being connected to one end of the first plate portion (10) and the second plate portion (11), the first plate portion (10), the second plate portion (11) and the cover plate (12) being U-shaped.

2. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 1 is characterized in that: The two ends of the pin shaft (4) protruding from the speed regulating arm body (1) are rotatably connected to sleeves (6), and the sleeve (6) is axially fixed by a retaining ring (7).

3. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 1, characterized in that: A first fixing hole (8) is provided between the first shaft hole (3) and the pin shaft (4).

4. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 1, characterized in that: The cover plate (12) is provided with a clearance hole (13) for the top protrusion (5) to pass through.

5. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 1, characterized in that: The first plate portion (10) and the second plate portion (11) are provided with a through second axial hole (14), and the first axial hole (3) and the second axial hole (14) are axially aligned.

6. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 1, characterized in that: The length of the first plate portion (10) in the first direction is greater than the length of the second plate portion (11) in the first direction.

7. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 6, characterized in that: The first plate portion (10) and the second plate portion (11) are provided with a second fixing hole (15) axially aligned with the first fixing hole (8).

8. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 7, characterized in that: One end of the first plate portion (10) is provided with a third connection hole (17) for connecting to a connection plate (16).

9. The speed regulating arm assembly for improving the operating stability of the diesel engine of a generator set according to claim 8, characterized in that: The first plate portion (10) is provided with a notch (18) for the pin shaft (4) to pass through.

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