A fast-assembly diesel generator

By using a quick assembly mechanism in a diesel generator, and using the mutual rotation and connection of the driving ring body, sliding ring body and other components, the problem of difficulty in disassembling the power output shaft and rotor shaft of the diesel generator is solved, and rapid assembly and disassembly is achieved, and assembly efficiency is improved.

CN116378818BActive Publication Date: 2025-03-25JIANGSU EXCALIBUR POWER MASCH
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Patent Information

Application Number
CN202111577655.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-22
Publication Date
2025-03-25
Estimated Expiration
2041-12-22

AI Technical Summary

Technical Problem

When existing diesel generators require independent maintenance, it is difficult to disassemble the power output shaft and rotor shaft, especially when the screw is rusted, corroded and stuck, resulting in inconvenient assembly and time-consuming.

Method used

A quick assembly mechanism is adopted, including a driving ring body, a sliding ring body, a plug sleeve, a pressing strip, a plug block and a positioning column. Through the mutual rotation and connection of these components, the rapid assembly and disassembly of the power output shaft and the rotor shaft is achieved.

Benefits of technology

It realizes rapid assembly and disassembly of the power output shaft and rotor shaft between the diesel engine and the generator, avoiding the complex assembly process of traditional flanges and multiple screws, and improving the convenience and speed of assembly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116378818B_ABST
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Abstract

The invention discloses a quick-assembly diesel generator, comprising an external box, a diesel engine body, a generator body, and a quick-assembly mechanism; the invention uses the quick-assembly mechanism to quickly install and disassemble the power output shaft of the diesel engine body and the rotor shaft of the generator body, and the traditional structure of assembling by a flange and a plurality of screws.
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Description

Technical Field

[0001] The invention relates to a quick-assembly type diesel generator. Background Art

[0002] Generator set operation is a kind of backup power supply, which is widely used in military forces, hospitals, schools, construction sites and other places. Existing diesel generators generally generate electricity by driving the generator with a diesel engine. The diesel engine and the generator are installed inside an external box to realize the overall assembly. The diesel engine is connected to the rotor shaft of the generator through the power output shaft at the outer end, and the rotor shaft is driven to rotate by the power output shaft. In the actual assembly process, the power output shaft and the rotor shaft can be connected through a flange and a plurality of screws, so as to realize the fixed connection between the power output shaft and the rotor shaft. However, when the diesel engine body and the generator body need to be independently inspected, it is very difficult to disassemble the power output shaft and the rotor shaft. The screws of each flange hole need to be separated and disassembled one by one, and some screws are even rusted, corroded and stuck. Therefore, it is necessary to improve the convenience and speed of assembly. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention solves the problem of providing a quick-assembly diesel generator that can be quickly assembled and disassembled.

[0004] To solve the above problems, the technical solution adopted by the present invention is as follows:

[0005] A quick-assembly diesel generator comprises an external box, a diesel engine body, a generator body, and a quick-assembly mechanism; the diesel engine body and the generator body are both installed inside the external box; a power output shaft is provided at one end of the diesel engine body; a rotor shaft is provided at one end of the generator body; a quick-assembly mechanism is installed between the power output shaft and the rotor shaft; the quick-assembly mechanism comprises a driving ring body, a sliding ring body, a plug-in sleeve body, a pressure strip, a plug-in block, and a positioning column; a driving ring body is rotatably mounted on the power output shaft; the inner side of the driving ring body is threadedly connected to the outer side of the sliding ring body; the sliding ring body is slidably engaged with the power output shaft On the shaft; the outer end of the sliding ring body is connected to the plug-in sleeve body through a connecting rod; a plurality of pressure strips are evenly installed around the inner side of the plug-in sleeve body; a plug-in block is installed on one side of the inner end of the pressure strip; a plurality of positioning columns are evenly installed on the outer side of the rotor shaft; a positioning groove is provided on one side of the outer end of each positioning column; the driving ring body rotates to drive the plug-in sleeve body to move toward the outer end and be sleeved on the rotor shaft, and a plurality of pressure strips and a plurality of positioning columns are alternately distributed in sequence. The rotation of the rotor shaft drives the positioning groove of the positioning column to be sleeved on the plug-in block of the pressure strip, and the rotation of the power output shaft drives the plug-in sleeve body and the pressure strip to rotate, and the pressure strip drives the positioning column and the rotor shaft to rotate through the plug-in block.

[0006] Furthermore, a sliding rod is provided on the upper and lower inner sides of the sliding ring body respectively; sliding grooves are provided on the upper and lower sides of the power output shaft respectively; the sliding ring body is slidably connected to the upper and lower sliding grooves of the power output shaft through the upper and lower sliding rods on the inner sides.

[0007] Furthermore, the power output shaft is provided with a clamping ring groove on the outer side around it; the inner end of the driving ring body is provided with a clamping rod which rotates up and down; the driving ring body is rotatably clamped to the clamping ring groove on the outer side around the power output shaft through the rotating clamping rod at the inner end.

[0008] Furthermore, an annular thread groove is provided on the outer side of the rotor shaft; an extrusion ring body is threadedly screwed on the annular thread groove; an extrusion positioning ring body is provided around the inner end of the extrusion ring body; the extrusion positioning ring body is rotatably pressed and connected to the outer end surface of the plug-in sleeve.

[0009] Furthermore, an air inlet and an air outlet are respectively provided on both sides of the external box body; a filter box body is respectively provided on the outside of the air inlet and the air outlet; and a ventilation duct is provided at the lower end of the filter box body.

[0010] Furthermore, a smoke exhaust pipe is provided at the upper end of the diesel engine body; a filter core is provided on the smoke exhaust pipe.

[0011] Furthermore, the bottom of the diesel engine body and the generator body are respectively provided with connecting plates; the lower ends of the connecting plates are connected to the lower interior of the external box body through a plurality of elastic bodies.

[0012] Furthermore, a heat insulation layer is provided on the inner side of the upper end of the outer box.

[0013] Beneficial effects of the present invention

[0014] The present invention can realize the rapid assembly and disassembly of the power output shaft of the diesel engine body and the rotor shaft of the generator body. During assembly, the plug-in sleeve is driven to move to the outer end and sleeved on the rotor shaft by rotating the driving ring body, so that a plurality of pressure strips are interspersed between the positioning posts, and a plurality of pressure strips and a plurality of positioning posts are alternately distributed in sequence. Then the rotor shaft is rotated counterclockwise, thereby driving the positioning groove of the positioning post to sleeve on the plug-in block of the pressure strip, thereby realizing the axial positioning of the pressure strip and the positioning post, and can effectively prevent the driving ring body from accidentally rotating to cause the plug-in sleeve and the pressure strip to axially disengage. In this way, the power output shaft is rotated clockwise, and the rotation drives the plug-in sleeve and the pressure strip to rotate, and finally the pressure strip The positioning column and the rotor shaft are driven to rotate by the plug-in block. When power generation is completed, the power output shaft stops rotating, so the plug-in sleeve and the pressure strip also stop rotating. Due to inertia, the rotor shaft and the positioning column will continue to rotate at high speed for a period of time and then stop, so that the plug-in block of the pressure strip is separated from the positioning groove of the positioning column. In this way, when the diesel engine body needs to be independently repaired or disassembled, the drive ring body is directly rotated to drive the plug-in sleeve to move inward and detach from the rotor shaft, thereby realizing quick separation and disassembly. The present invention uses a quick assembly mechanism to quickly install and disassemble the power output shaft of the diesel engine body and the rotor shaft of the generator body, and the traditional structure is assembled by a flange and multiple screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 It is a schematic diagram of the separation structure of the quick assembly mechanism of the present invention.

[0017] Figure 3 It is a schematic diagram of the locking structure of the quick assembly mechanism of the present invention.

[0018] Figure 4 It is a structural schematic diagram of one side of the quick assembly mechanism of the present invention.

[0019] Figure 5 It is a structural schematic diagram of the other side of the quick assembly mechanism of the present invention.

[0020] Figure 6 It is a cross-sectional schematic diagram of the plug-in sleeve, the pressing strip, the plug-in block, the rotor shaft and the positioning column of the present invention.

[0021] Figure 7 It is a structural schematic diagram of the present invention in which the rotor shaft rotates counterclockwise to drive the positioning groove of the positioning column to be sleeved on the plug-in block of the pressure strip. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 7 As shown, a quick-assembly diesel generator comprises an external box body 1, a diesel engine body 3, a generator body 2, and a quick-assembly mechanism 4; the diesel engine body 3 and the generator body 2 are both installed inside the external box body 1; a power output shaft 31 is provided at one end of the diesel engine body 3; a rotor shaft 21 is provided at one end of the generator body 2; a quick-assembly mechanism 4 is installed between the power output shaft 31 and the rotor shaft 21; the quick-assembly mechanism 4 comprises a driving ring body 41, a sliding ring body 42, a plug-in sleeve body 43, a pressing strip 45, a plug-in block 46, and a positioning column 44; a driving ring body 41 is rotatably mounted on the power output shaft 31; the inner side of the driving ring body 41 is threadedly connected to the outer side of the sliding ring body 42; the sliding ring body 42 is slidably engaged with the power output shaft 31; the The outer end of the sliding ring body 42 is connected to the plug-in sleeve body 43 through a connecting rod; a plurality of pressure strips 45 are evenly installed around the inner side of the plug-in sleeve body 43; a plug-in block 46 is installed on one side of the inner end of each pressure strip 45; a plurality of positioning posts 44 are evenly installed around the outer side of the rotor shaft 21; a positioning groove 441 is provided on one side of the outer end of each positioning post 44; the driving ring body 41 rotates to drive the plug-in sleeve body 43 to move toward the outer end and be sleeved on the rotor shaft 21, and a plurality of pressure strips 45 and a plurality of positioning posts 44 are alternately distributed in sequence, and the rotation of the rotor shaft 21 drives the positioning groove 441 of the positioning post 44 to be sleeved on the plug-in block 46 of the pressure strip 45, and the rotation of the power output shaft 31 drives the plug-in sleeve body 43 and the pressure strip 45 to rotate, and the pressure strip 45 drives the positioning post 44 and the rotor shaft 21 to rotate through the plug-in block 46. Gaps are left between the plurality of positioning posts 44 and the plurality of pressure strips 45 to realize the staggered plug-in distribution structure assembled at the beginning, such as Figure 6 shown.

[0024] like Figures 1 to 7As shown, further preferably, a sliding rod 421 is provided on the inner side of the sliding ring body 42; a sliding groove 311 is provided on the upper and lower sides of the power output shaft 31; the sliding ring body 42 is slidably connected to the sliding groove 311 on the upper and lower sides of the power output shaft 31 through the sliding rods 421 on the inner side. Further preferably, a snap ring groove 312 is provided on the outer side of the power output shaft 31; the inner end of the driving ring body 41 rotates up and down the snap rod 411; the driving ring body 41 is rotatably connected to the snap ring groove 312 on the outer side of the power output shaft 31 through the rotating snap rod 411 at the inner end. Further, an annular thread groove 211 is provided on the outer side of the rotor shaft 21; an extrusion ring body 22 is threadedly connected on the annular thread groove 211; an extrusion positioning ring body 23 is provided on the inner end of the extrusion ring body 22; the extrusion positioning ring body 23 is rotatably pressed and connected to the outer end surface of the plug-in sleeve 43. Furthermore, the two sides of the external box body 1 are respectively provided with an air inlet 11 and an air outlet 13; the outer sides of the air inlet 11 and the air outlet 13 are respectively provided with a filter box body 5; the lower end of the filter box body 5 is provided with a ventilation duct 51. Furthermore, the upper end of the diesel engine body 3 is provided with a smoke exhaust duct; the smoke exhaust duct is provided with a filter core. Furthermore, the bottom of the diesel engine body 3 and the generator body 2 are respectively provided with a connecting plate 14; the lower end of the connecting plate 14 is connected to the lower inner part of the external box body 1 through a plurality of elastic bodies 15. Furthermore, the inner side of the upper end of the external box body 1 is provided with a heat insulation layer 12.

[0025] The present invention can realize the rapid assembly and disassembly of the power output shaft 31 of the diesel engine body 3 and the rotor shaft 21 of the generator body 2. During assembly, the plug-in sleeve 43 is driven to move toward the outer end and sleeved on the rotor shaft 21 by rotating the driving ring body 41, so that a plurality of pressure strips 45 are inserted between the positioning posts 44, so that a plurality of pressure strips 45 and a plurality of positioning posts 44 are alternately distributed in sequence, and then the rotor shaft 21 is rotated counterclockwise, thereby driving the positioning groove 441 of the positioning post 44 to sleeve on the plug-in block 46 of the pressure strip 45, so as to realize the axial positioning of the pressure strip 45 and the positioning post 44, and effectively prevent the driving ring body 41 from accidentally rotating to cause the plug-in sleeve 43 and the pressure strip 45 to axially disengage. In this way, the power output shaft 31 is rotated clockwise, and the rotation drives the plug-in sleeve 43 and the pressure strip 45 to rotate, and finally The final pressure strip 45 drives the positioning column 44 and the rotor shaft 21 to rotate through the plug-in block 46. When power generation is completed, the power output shaft 31 stops rotating, so the plug-in sleeve 43 and the pressure strip 45 also stop rotating. Due to inertia, the rotor shaft 21 and the positioning column 44 will continue to rotate at high speed for a period of time and then stop, so that the plug-in block 46 of the pressure strip 45 is separated from the positioning groove 441 of the positioning column 44. In this way, when the diesel engine body 3 needs to be independently repaired or disassembled, the drive ring body 41 is directly rotated to drive the plug-in sleeve 43 to move inward and disengage from the rotor shaft 21, thereby realizing quick separation and disassembly. In this way, the present invention can quickly install and disassemble the power output shaft 31 of the diesel engine body 3 and the rotor shaft 21 of the generator body 2 through a quick assembly mechanism, and the traditional structure is assembled through a flange and multiple screws.

[0026] 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 principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-assembly diesel generator, characterized in that: It comprises an external box body, a diesel engine body, a generator body, and a quick assembly mechanism; the diesel engine body and the generator body are both installed inside the external box body; a power output shaft is provided at one end of the diesel engine body; a rotor shaft is provided at one end of the generator body; a quick assembly mechanism is installed between the power output shaft and the rotor shaft; the quick assembly mechanism comprises a driving ring body, a sliding ring body, a plug-in sleeve body, a pressure strip, a plug-in block, and a positioning column; a driving ring body is rotatably mounted on the power output shaft; the inner side of the driving ring body is screwed with the outer side of the sliding ring body; the sliding ring body is slidably engaged with the power output shaft; the sliding ring body The outer end of the dynamic ring body is connected to the plug-in sleeve body through a connecting rod; a plurality of pressure strips are evenly installed around the inner side of the plug-in sleeve body; a plug-in block is installed on one side of the inner end of the pressure strip; a plurality of positioning columns are evenly installed around the outer side of the rotor shaft; a positioning groove is provided on one side of the outer end of each positioning column; the driving ring body rotates to drive the plug-in sleeve body to move toward the outer end and be sleeved on the rotor shaft, and a plurality of pressure strips and a plurality of positioning columns are alternately distributed in sequence. The rotation of the rotor shaft drives the positioning groove of the positioning column to be sleeved on the plug-in block of the pressure strip, and the rotation of the power output shaft drives the plug-in sleeve body and the pressure strip to rotate, and the pressure strip drives the positioning column and the rotor shaft to rotate through the plug-in block.

2. The quick-assembly diesel generator according to claim 1, characterized in that: The inner side of the sliding ring body is provided with a sliding rod at the upper and lower sides respectively; the upper and lower sides of the power output shaft are provided with sliding grooves at the upper and lower sides respectively; the sliding ring body is slidably connected to the upper and lower sliding grooves of the power output shaft through the inner side sliding rods at the upper and lower sides.

3. The quick-assembly diesel generator according to claim 1, characterized in that: The power output shaft is provided with a clamping ring groove on the outside around it; the inner end of the driving ring body is provided with a clamping rod which rotates up and down; the driving ring body is rotatably clamped to the clamping ring groove on the outside around the power output shaft through the rotating clamping rod at the inner end.

4. The quick-assembly diesel generator according to claim 1, characterized in that: The outer side of the rotor shaft is provided with an annular thread groove; an extrusion ring body is screwed on the annular thread groove; an extrusion positioning ring body is provided around the inner end of the extrusion ring body; the extrusion positioning ring body is rotatably pressed and connected to the outer end surface of the plug-in sleeve.

5. The quick-assembly diesel generator according to claim 1, characterized in that: An air inlet and an air outlet are respectively arranged on both sides of the external box body; a filter box body is respectively arranged on the outside of the air inlet and the air outlet; and a ventilation duct is arranged at the lower end of the filter box body.

6. The quick-assembly diesel generator according to claim 1, characterized in that: The upper end of the diesel engine body is provided with a smoke exhaust pipe; the smoke exhaust pipe is provided with a filter core body.

7. The quick-assembly diesel generator according to claim 1, characterized in that: The bottoms of the diesel engine body and the generator body are respectively provided with connecting plates; the lower ends of the connecting plates are connected to the lower interior of the external box body through a plurality of elastic bodies.

8. The quick-assembly diesel generator according to claim 1, characterized in that: A heat insulation layer is arranged on the inner side of the upper end of the outer box.

Citation Information

Patent Citations

  • Diesel generator set capable of quickly replacing parts

    CN106194420A

  • Three-phase asynchronous motor convenient to install

    CN111934480A