Movable silent generator set

Abstract

This invention belongs to the technical field of silent generators, and particularly relates to a portable silent generator set to solve the technical problem of not being able to adapt to silent generator sets of different lengths. It includes a main housing, an extension housing, a side wall mounting plate, a sliding door (part 1), a mounting section, a sliding door (part 2), an inner sliding frame, a drive section, and two casters. The main housing is connected to the extension housing, and the extension housing is connected to the side wall mounting plate. To use silent generator sets of different lengths, an actuator motor is started, and a drive pulley and transmission belt drive a mating pulley to rotate. The mating pulley drives a drive sleeve to rotate, and the threaded connection between the drive sleeve and the mating screw changes the total length of the main housing and the extension housing, thus adapting the total length of the extension housing and the main housing to silent generator sets of different lengths.

Description

Technical Field

[0001] This invention belongs to the technical field of silent generators, and particularly relates to a portable silent generator set. Background Technology

[0002] Patent application CN202411759369.0 discloses a snow-proof and freeze-proof container generator set, including an air intake device on the container. The air intake device includes a frame with multiple sets of ventilation windows along the height direction. Each ventilation window has a filter screen at one end on the outside of the container. Each set of ventilation windows is equipped with an automatic cleaning mechanism. A water collection tank is provided at the bottom of the ventilation window. The automatic cleaning mechanism includes a balance plate, a scraper assembly, and a tension assembly. The balance plate is rotatably mounted in the water collection tank. Balance springs are connected between the two sides of the bottom of the balance plate and the inner wall of the bottom of the water collection tank. The scraper assembly includes a scraper and a tension wheel. A hinge block is slidably mounted on the bottom of the scraper. The tension wheel is rotatably mounted on the bottom of the hinge block and its bottom abuts against the top end face of the balance plate. However, the disadvantage of this technical solution is that it cannot adapt to silent generator sets of different length specifications. Summary of the Invention

[0003] The purpose of this invention is to provide a portable silent generator set to solve the technical problem of not being able to adapt to silent generator sets of different length specifications.

[0004] To achieve the above objectives, the specific technical solution of the present invention for a portable silent generator set is as follows:

[0005] A portable silent generator set includes a main housing, an extension housing, a side wall mounting plate, a sliding door (part 1), a mounting section, a sliding door (part 2), an inner sliding frame, a drive section, a caster wheel (part 1), and a caster wheel (part 2). The main housing is connected to the extension housing, the extension housing is connected to the side wall mounting plate, the side wall mounting plate is connected to either the sliding door (part 1) or the sliding door (part 2), and the mounting section is connected to the main housing. Caster wheel (part 1) is mounted on the main housing, and caster wheel (part 2) is mounted on the extension housing.

[0006] Furthermore, the drive unit includes an actuator motor, a transmission belt, a drive sleeve, a mating screw, a fixing screw, a mating pulley, and a drive pulley. The actuator motor is mounted on the main housing, and the output shaft of the actuator motor is equipped with a drive pulley. The drive pulley is mounted on one end of the transmission belt, and the other end of the transmission belt is equipped with a mating pulley. The mating pulley is fixedly mounted on the drive sleeve, and the drive sleeve is rotatably mounted on the main housing. The drive sleeve meshes with the mating screw for transmission, and the mating screw is fixedly mounted on the extension housing by a fixing screw.

[0007] Furthermore, the main housing includes a main housing, a main housing mounting sleeve, an inner groove, a mounting bracket one, and a mounting bracket two. The main housing is fixedly mounted with the main housing mounting sleeve, and the main housing is fixedly mounted with the mounting bracket one and the mounting bracket two. The main housing has an inner groove. The actuator motor is mounted on the mounting bracket one and drives the sleeve to rotate on the mounting bracket two.

[0008] Furthermore, the expansion box includes an expansion box, a third mounting bracket, an expansion sleeve, an N-shaped slide, an infeed ramp, and an N-shaped slide ramp. The third mounting bracket is fixedly installed on the expansion box. The expansion sleeve is slidably installed in the inner groove. The first N-shaped slide is fixedly installed inside the expansion box. The first N-shaped slide has an N-shaped slide ramp. The expansion box has an infeed ramp. The screw is fixedly installed on the third mounting bracket by fixing screws. Side wall mounting plates are fixedly installed on both the front and rear sides of the expansion box. The inner end slide is slidably connected to the first N-shaped slide.

[0009] Furthermore, the inner end face of the side wall mounting plate is provided with sliding grooves on both the upper and lower sides.

[0010] Furthermore, a cavity is provided between the side wall mounting plate and the expansion box to accommodate either sliding door one or sliding door two.

[0011] Furthermore, the sliding door part includes a sliding door, a sliding door column, and a locking N-shaped frame. The sliding door column is installed on both the upper and lower sides of the sliding door. The sliding door column is slidably installed in the slide groove of the mounting plate on the front side wall of the main body. The locking N-shaped frame is fixedly installed on the sliding door.

[0012] Furthermore, the installation part includes an installation connecting plate, an N-shaped carriage two, a manual push plate, a towing frame, a towing lock rod, and a lock rod limiting ring. The installation connecting plate is fixedly installed on the main housing. The N-shaped carriage two is fixedly installed on the installation connecting plate. The manual push plate is fixedly installed on the installation connecting plate. The towing frame is fixedly installed on the installation connecting plate. A lock rod limiting ring is installed on the towing frame through the towing lock rod. The inner end of the carriage part is slidably connected to the N-shaped carriage two.

[0013] Furthermore, the second part of the sliding door includes a second sliding door, a second sliding door slide column, a connecting frame, a connecting block, a wedge block, an inner end slide column, an inner end spring, and an inner end slider. The second sliding door slide column is fixedly installed at both the upper and lower ends of the second sliding door. The second sliding door slide column is slidably installed in the slide groove of the mounting plate on the rear side wall of the main body. A connecting frame is fixedly installed on the second sliding door. An inner end slide column is fixedly installed on the connecting frame. An inner end slider is slidably installed on the inner end slide column. An inner end spring is installed between the inner end slider and the connecting frame, and the inner end spring is fitted onto the inner end slide column. A wedge block and a connecting block are fixedly installed on the inner end slider. The wedge block is fitted into the locking N-shaped frame.

[0014] Furthermore, the inner end slide section includes a first bearing plate, a second bearing plate, a first bearing plate roller, a second bearing plate roller, a bearing plate groove, a bearing plate slider, a manual rotating rod, a first rotation limiting ring, a threaded fitting bracket, and a second rotation limiting ring. The first bearing plate roller is rotatably mounted on the first bearing plate, and the second bearing plate roller is rotatably mounted on the second bearing plate. The first bearing plate has a bearing plate groove, and the bearing plate slider is slidably mounted in the bearing plate groove. The bearing plate slider is fixedly mounted on the second bearing plate. A manual rotating rod is rotatably mounted on the first bearing plate through the first rotation limiting ring. The manual rotating rod is threadedly connected to the threaded fitting bracket, which is fixedly mounted on the second bearing plate. The second rotation limiting ring is fixedly mounted on the manual rotating rod. The first bearing plate roller and the second N-shaped slide are in rolling engagement.

[0015] The advantages of this invention are:

[0016] 1. To use silent generator sets of different lengths, start the actuator motor and drive the mating pulley to rotate through the drive pulley and transmission belt. The mating pulley drives the drive sleeve to rotate, and through the threaded connection between the drive sleeve and the mating screw, the total length used by the main housing and the extension housing changes, thereby adapting the total length used by the extension housing and the main housing to silent generator sets of different lengths.

[0017] 2. Driven by the threaded connection between the drive sleeve and the mating screw, the extension sleeve slides relative to the groove as the power output of the actuator motor changes, thereby changing the total usable length between the main housing and the extension housing.

[0018] 3. By installing the drag lock rod and lock rod limit ring, the entire device can be dragged via an external motion component. The position of the entire device can also be adjusted manually by pushing and pulling using a manual push plate.

[0019] 4. During use, pull the connecting block backward, which will drive the inner slider and wedge block to move, causing the wedge block to disengage from the locking N-shaped frame. Simultaneously, pull sliding doors two and one outward. When sliding door two or one is parallel to the end face of the side wall mounting plate, it can be pushed into the cavity between the side wall mounting plate and the expansion housing. The baffle accommodates sliding door two or one, at which point sliding door two or one is fully open, allowing for the installation or replacement of the silent generator set in the inner sliding section. When the replacement or installation of the silent generator set is complete, simultaneously pull sliding doors two and one outward. When column two or sliding door column one slides to the limit position of the slide groove, sliding door two and sliding door one flip inwards simultaneously, and sliding door one and sliding door two close the expansion box; at the same time, the locking N-shaped frame and wedge block are locked to prevent the silent generator set from detaching from the entire device during movement; in addition, to prevent the silent generator set from colliding with the mounting plate or sliding door one or sliding door two during movement, a buffer pad should be installed between the mounting plate and the silent generator set, or between sliding door one and the silent generator set, or between sliding door two and the silent generator set. The installation of the buffer pad depends on the actual situation.

[0020] 5. In use, the silent generator set is installed on the first and second support plates using bolts. The N-shaped slide first rolls onto the second support plate, or vice versa, facilitating rapid transport of the silent generator set. This allows the generator set to be easily pulled out or pushed into the main housing or extension housing. Furthermore, to accommodate silent generator sets of different lengths, the manual rotating lever is turned. The threaded connection between the lever and the threaded bracket changes the total usable length of the first and second support plates to accommodate different lengths of silent generator sets. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0023] Figure 3 for Figure 1 Diagram of the position of the cutting line Figure 1 ;

[0024] Figure 4 for Figure 3 A sectional view along section AA;

[0025] Figure 5 for Figure 3 A sectional view along section BB;

[0026] Figure 6 for Figure 1 Diagram of the position of the cutting line Figure 2 ;

[0027] Figure 7 for Figure 6 A sectional view along section FF;

[0028] Figure 8 This is a schematic diagram of the main housing structure of the present invention;

[0029] Figure 9 This is a schematic diagram of the extended housing structure of the present invention;

[0030] Figure 10 This is a schematic diagram of the sidewall mounting plate structure of the present invention;

[0031] Figure 11 This is a schematic diagram of the structure of one part of the sliding door of the present invention;

[0032] Figure 12 This is a schematic diagram of the mounting structure of the present invention. Figure 1 ;

[0033] Figure 13 This is a schematic diagram of the mounting structure of the present invention. Figure 2 ;

[0034] Figure 14 This is a schematic diagram of the two-part sliding door structure of the present invention;

[0035] Figure 15 for Figure 14 A schematic diagram showing the location of the cutting line;

[0036] Figure 16 for Figure 15 A sectional view along section CC;

[0037] Figure 17 This is a schematic diagram of the wedge-shaped block structure of the present invention;

[0038] Figure 18 This is a schematic diagram of the inner end carriage structure of the present invention;

[0039] Figure 19 for Figure 18 Diagram of the position of the cutting line Figure 1 ;

[0040] Figure 20 for Figure 19 A sectional view along section DD;

[0041] Figure 21 for Figure 18 Diagram of the position of the cutting line Figure 2 ;

[0042] Figure 22 for Figure 21 A sectional view along section EE;

[0043] Explanation of markings in the diagram: Main box 1; Main box 1-1; Main box mounting sleeve 1-2; Inner groove 1-3; Mounting bracket one 1-4; Mounting bracket two 1-5; Expansion box 2; Expansion box 2-1; Mounting bracket three 2-2; Expansion sleeve 2-3; N-shaped slide one 2-4; Feed slope 2-5; N-shaped slide slope 2-6; Side wall mounting plate 3; Slide groove 3-1; Sliding door one 4; Sliding door one 4-1; Sliding door slide column one 4-2; Locking N-shaped frame 4-3; Mounting part 5; Mounting connecting plate 5-1; N-shaped slide two 5-2; Manual push plate 5-3; Traction frame 5-4; Traction locking rod 5-5; Locking rod limit ring 5-6; Sliding door two 6; Pull Door 2 6-1; Sliding door column 2 6-2; Connecting frame 6-3; Connecting block 6-5; Wedge block 6-6; Inner end sliding column 6-7; Inner end spring 6-8; Inner end slider 6-9; Inner end slide bracket 7; Bearing plate 1 7-1; Bearing plate 2 7-2; Bearing plate roller 1 7-3; Bearing plate roller 2 7-4; Bearing plate groove 7-5; Bearing plate slider 7-6; Manual rotation rod 7-7; Rotation limit ring 1 7-8; Threaded fitting bracket 7-9; Rotation limit ring 2 7-10; Actuating motor 8; Transmission belt 9; Drive sleeve 10; Fitting screw 11; Fixing screw 12; Fitting pulley 13; Drive pulley 14; Universal wheel 1 15; Universal wheel 2 16. Detailed Implementation

[0044] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0046] Example 1

[0047] like Figure 1-7As shown, a portable silent generator set includes a main housing 1, an extension housing 2, a side wall mounting plate 3, a sliding door 1 4, a mounting part 5, a sliding door 2 6, an inner end slide 7, a drive unit, casters 15 and 16. The main housing 1 is connected to the extension housing 2, the extension housing 2 is connected to the side wall mounting plate 3, the side wall mounting plate 3 is connected to either the sliding door 1 4 or the sliding door 2 6, the mounting part 5 is connected to the main housing 1, casters 15 are mounted on the main housing 1, and casters 2 16 are mounted on the extension housing 2.

[0048] The drive unit includes an actuator motor 8, a transmission belt 9, a drive sleeve 10, a mating screw 11, a fixing screw 12, a mating pulley 13, and a drive pulley 14. The actuator motor 8 is mounted on the main housing 1. The drive pulley 14 is mounted on the output shaft of the actuator motor 8. The drive pulley 14 is mounted on one end of the transmission belt 9, and the mating pulley 13 is mounted on the other end of the transmission belt 9. The mating pulley 13 is fixedly mounted on the drive sleeve 10. The drive sleeve 10 is rotatably mounted on the main housing 1. The drive sleeve 10 meshes with the mating screw 11 for transmission. The screw 11 is fixedly mounted on the expansion housing 2 by the fixing screw 12. With this configuration, in order to use silent generator sets of different length specifications, the actuator 8 is started and the drive pulley 13 is driven to rotate through the drive pulley 14 and the transmission belt 9. The drive pulley 13 drives the drive sleeve 10 to rotate, and through the threaded connection between the drive sleeve 10 and the drive screw 11, the total length used by the main housing 1 and the expansion housing 2 changes, thereby making the total length used by the expansion housing 2 and the main housing 1 adaptable to silent generator sets of different length specifications.

[0049] Example 2

[0050] like Figure 8 As shown, the main housing 1 includes a main housing 1-1, a main housing mounting sleeve 1-2, an inner groove 1-3, a mounting bracket one 1-4, and a mounting bracket two 1-5. The main housing 1-1 is fixedly mounted with the main housing mounting sleeve 1-2, and the main housing 1-1 is fixedly mounted with the mounting bracket one 1-4 and the mounting bracket two 1-5. The main housing 1-1 has an inner groove 1-3. The actuator 8 is mounted on the mounting bracket one 1-4 and the drive sleeve 10 is rotated and mounted on the mounting bracket two 1-5.

[0051] Example 3

[0052] like Figure 9As shown, the expansion housing 2 includes an expansion housing 2-1, a mounting bracket 2-2, an expansion sleeve 2-3, an N-shaped slide 2-4, an infeed inclined surface 2-5, and an N-shaped slide inclined surface 2-6. The mounting bracket 2-2 is fixedly installed on the expansion housing 2-1. The expansion sleeve 2-3 is slidably installed in the inner groove 1-3. The N-shaped slide 2-4 is fixedly installed inside the expansion housing 2-1, and the N-shaped slide 2-4 has an N-shaped slide inclined surface 2-6. The infeed inclined surface 2-5 is provided on the expansion housing 2-1. The screw 11 is fixedly installed on the mounting bracket 2-2 by the fixing screw 12. The side wall mounting plates 3 are fixedly installed on both the front and rear sides of the expansion box 2-1. The inner end slide 7 is slidably connected to the N-shaped slide 2-4. With this configuration, under the drive of the threaded connection between the drive sleeve 10 and the screw 11, the expansion sleeve 2-3 slides relative to the groove 1-3 as the power output of the actuator 8 is applied, thereby changing the total length of use between the main box 1-1 and the expansion box 2-1.

[0053] Example 4

[0054] like Figure 10 As shown, the inner end face of the side wall mounting plate 3 is provided with sliding grooves 3-1 on both the upper and lower sides.

[0055] A cavity is provided between the side wall mounting plate 3 and the expansion box 2-1, which is sufficient to accommodate either sliding door 4-1 or sliding door 6-1.

[0056] Example 5

[0057] like Figure 11 As shown, the sliding door part 4 includes a sliding door 4-1, a sliding door column 4-2, and a locking N-shaped bracket 4-3. The sliding door column 4-2 is installed on both the upper and lower sides of the sliding door 4-1. The sliding door column 4-2 is slidably installed in the slide groove 3-1 of the mounting plate 3 on the front side wall of the main body 1-1. The locking N-shaped bracket 4-3 is fixedly installed on the sliding door 4-1.

[0058] Example 6

[0059] like Figure 12 and 13As shown, the mounting part 5 includes a mounting connecting plate 5-1, an N-shaped slide 5-2, a manual push plate 5-3, a towing frame 5-4, a towing locking rod 5-5, and a locking rod limiting ring 5-6. The mounting connecting plate 5-1 is fixedly mounted on the main housing 1-1. The N-shaped slide 5-2 is fixedly mounted on the mounting connecting plate 5-1. The manual push plate 5-3 is fixedly mounted on the mounting connecting plate 5-1. The towing frame 5-4 is fixedly mounted on the mounting connecting plate 5-1. The locking rod limiting ring 5-6 is installed on the towing frame 5-4 through the towing locking rod 5-5. The inner end slide 7 is slidably connected to the N-shaped slide 5-2. With this configuration, the entire device can be towed by an external motion component through the installation of the towing locking rod 5-5 and the locking rod limiting ring 5-6. The position of the entire device can also be adjusted manually by pushing and pulling the manual push plate 5-3.

[0060] Example 7

[0061] like Figure 14-17As shown, the second part of the sliding door 6 includes a second sliding door 6-1, a second sliding door column 6-2, a connecting frame 6-3, a connecting block 6-5, a wedge block 6-6, an inner sliding column 6-7, an inner spring 6-8, and an inner slider 6-9. The second sliding door 6-1 has the second sliding door column 6-2 fixedly installed at both its upper and lower ends. The second sliding door column 6-2 is slidably installed in the slide groove 3-1 of the mounting plate 3 on the rear side wall of the main housing 1-1. The connecting frame 6-3 is fixedly installed on the second sliding door 6-1, and the inner sliding column 6-7 is fixedly installed on the connecting frame 6-3. The inner slider 6-9 is slidably installed on the inner sliding column 6-7. An inner spring 6-8 is installed between the slider 6-9 and the connecting frame 6-3, and the inner spring 6-8 is fitted onto the inner sliding post 6-7. A wedge block 6-6 and a connecting block 6-5 are fixedly installed on the inner slider 6-9. The wedge block 6-6 is fitted into the locking N-shaped frame 4-3. With this configuration, in use, pulling the connecting block 6-5 backward will cause the inner slider 6-9 and the wedge block 6-6 to move, causing the wedge block 6-6 to disengage from the locking N-shaped frame 4-3. At the same time, pulling the second sliding door 6-1 and the first sliding door 4-1 outward will cause the sliding door 6-9 or the first sliding door 4-1 to move. When the end face of the side wall mounting plate 3 is parallel, the second sliding door 6-1 or the first sliding door 4-1 can be pushed into the cavity between the side wall mounting plate 3 and the expansion box 2-1. The baffle accommodates the second sliding door 6-1 or the first sliding door 4-1. At this time, the second sliding door 6-1 or the first sliding door 4-1 is fully opened, and the silent generator set can be installed or replaced inward to the sliding bracket part 7. When the replacement or installation of the silent generator set is completed, the second sliding door 6-1 and the first sliding door 4-1 are pulled outward at the same time. When the second sliding door slide column 6-2 or the first sliding door slide column 4-2 slides to the limit position of the slide groove 3-1, the second sliding door 6-1 and the first sliding door 4-1 are flipped inward at the same time. Door 4-1, along with sliding door 4-1 and sliding door 6-1, closes the expansion box 2-1. Simultaneously, locking the N-shaped bracket 4-3 and wedge block 6-6 prevents the silent generator set from detaching from the entire device during movement. Furthermore, to prevent the silent generator set from colliding with the mounting plate 5-1, sliding door 4-1, or sliding door 6-1 during movement, a buffer pad should be installed between the mounting plate 5-1 and the silent generator set, or between sliding door 4-1 and the silent generator set, or between sliding door 6-1 and the silent generator set. The installation of the buffer pad depends on the actual situation.

[0062] Example 8

[0063] like Figure 18-22As shown, the inner end slide portion 7 includes a first bearing plate 7-1, a second bearing plate 7-2, a first bearing plate roller 7-3, a second bearing plate roller 7-4, a bearing plate slide groove 7-5, a bearing plate slider 7-6, a manual rotation rod 7-7, a first rotation limit ring 7-8, a threaded bracket 7-9, and a second rotation limit ring 7-10. The first bearing plate roller 7-3 is rotatably mounted on the first bearing plate 7-1, and the second bearing plate roller 7-4 is rotatably mounted on the second bearing plate 7-2. A bearing plate groove 7-5 is formed on the bearing plate 7-1. A bearing plate slider 7-6 is slidably installed in the bearing plate groove 7-5. The bearing plate slider 7-6 is fixedly installed on the bearing plate 7-2. A manual rotating rod 7-7 is rotatably installed on the bearing plate 7-1 via a rotating limiting ring 7-8. The manual rotating rod 7-7 is threadedly connected to a threaded bracket 7-9. The threaded bracket 7-9 is fixedly installed on the bearing plate 7-2. Equipped with a rotation limit ring 7-10, the bearing plate roller 7-3 rolls with the N-shaped slide 5-2, and the N-shaped slide 2-4 rolls with the bearing plate roller 7-4. In this configuration, the silent generator set is installed on the bearing plate 7-1 and bearing plate 7-2 using bolts. The rolling engagement of the N-shaped slide 2-4 with the bearing plate roller 7-4 or the bearing plate roller 7-3 with the N-shaped slide 5-2 facilitates rapid transport of the silent generator set, allowing it to be easily pulled out or pushed into the main housing 1 and the extension housing 2. Simultaneously, to accommodate silent generator sets of different lengths, the manual rotation lever 7-7 is manually rotated. Through the threaded connection between the manual rotation lever 7-7 and the threaded bracket 7-9, the total usable length of the bearing plate 7-1 and bearing plate 7-2 changes to accommodate silent generator sets of different lengths.

[0064] It is understood that the present invention has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. Furthermore, under the teachings of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present invention.

Claims

1. A portable, silent generator set, characterized in that, It includes a main housing, an expansion housing, a side wall mounting plate, a sliding door (part 1), a mounting section, a sliding door (part 2), an inner end carriage, a drive section, a caster wheel (part 1), and a caster wheel (part 2). The main housing is connected to the expansion housing, the expansion housing is connected to the side wall mounting plate, the side wall mounting plate is connected to either the sliding door (part 1) or the sliding door (part 2), and the mounting section is connected to the main housing. Caster wheel (part 1) is mounted on the main housing, and caster wheel (part 2) is mounted on the expansion housing. The main housing includes a main housing, a main housing mounting sleeve, an inner groove, a mounting bracket one, and a mounting bracket two. The main housing is fixedly mounted with the main housing mounting sleeve, and the main housing is fixedly mounted with the mounting bracket one and the mounting bracket two. The main housing has an inner groove. The actuator motor is mounted on the mounting bracket one and the drive sleeve is rotated and mounted on the mounting bracket two. The expansion box includes an expansion box, a mounting bracket three, an expansion sleeve, an N-shaped slide one, an infeed inclined surface, and an N-shaped slide inclined surface. The mounting bracket three is fixedly installed on the expansion box. The expansion sleeve is slidably installed in the inner groove. The N-shaped slide one is fixedly installed inside the expansion box. The N-shaped slide one is provided with an N-shaped slide inclined surface. The expansion box is provided with an infeed inclined surface. The expansion box is fixedly installed on the mounting bracket three with a screw and a fixing screw. Side wall mounting plates are fixedly installed on both the front and rear sides of the expansion box. The inner end slide part is slidably connected to the N-shaped slide one. The installation section includes an installation connecting plate, an N-shaped carriage II, a manual push plate, a towing frame, a towing lock rod, and a lock rod limiting ring. The installation connecting plate is fixedly installed on the main housing. The N-shaped carriage II is fixedly installed on the installation connecting plate. The manual push plate is fixedly installed on the installation connecting plate. The towing frame is fixedly installed on the installation connecting plate. A lock rod limiting ring is installed on the towing frame through the towing lock rod. The inner end of the carriage section is slidably connected to the N-shaped carriage II.

2. A portable silent generator set according to claim 1, characterized in that, The drive unit includes an actuator motor, a transmission belt, a drive sleeve, a mating screw, a fixing screw, a mating pulley, and a drive pulley. The actuator motor is mounted on the main housing, and the output shaft of the actuator motor is equipped with a drive pulley. The drive pulley is mounted on one end of the transmission belt, and the other end of the transmission belt is equipped with a mating pulley. The mating pulley is fixedly mounted on the drive sleeve, and the drive sleeve is rotatably mounted on the main housing. The drive sleeve meshes with the mating screw for transmission, and the mating screw is fixedly mounted on the extension housing by a fixing screw.

3. A portable silent generator set according to claim 1, characterized in that, The inner end face of the side wall mounting plate is provided with sliding grooves on both the upper and lower sides.

4. A portable silent generator set according to claim 1, characterized in that, A cavity is provided between the side wall mounting plate and the expansion box to accommodate either sliding door one or sliding door two.

5. A portable silent generator set according to claim 1 or 3, characterized in that, The sliding door part includes a sliding door, a sliding door column, and a locking N-shaped frame. The sliding door column is installed on both the upper and lower sides of the sliding door. The sliding door column is slidably installed in the slide groove of the mounting plate on the front side wall of the main body. The locking N-shaped frame is fixedly installed on the sliding door.

6. A portable silent generator set according to claim 1 or 3, characterized in that, The second part of the sliding door includes a second sliding door, a second sliding door slide column, a connecting frame, a connecting block, a wedge block, an inner end slide column, an inner end spring, and an inner end slider. The second sliding door slide column is fixedly installed at both the upper and lower ends of the second sliding door. The second sliding door slide column is slidably installed in the slide groove of the mounting plate on the rear side wall of the main body. A connecting frame is fixedly installed on the second sliding door. An inner end slide column is fixedly installed on the connecting frame. An inner end slider is slidably installed on the inner end slide column. An inner end spring is installed between the inner end slider and the connecting frame, and the inner end spring is fitted onto the inner end slide column. A wedge block and a connecting block are fixedly installed on the inner end slider. The wedge block is fitted into the locking N-shaped frame.

7. A portable silent generator set according to claim 1, characterized in that, The inner end slide section includes a first bearing plate, a second bearing plate, a first bearing plate roller, a second bearing plate roller, a bearing plate groove, a bearing plate slider, a manual rotating rod, a first rotation limit ring, a threaded bracket, and a second rotation limit ring. The first bearing plate roller is rotatably mounted on the first bearing plate, and the second bearing plate roller is rotatably mounted on the second bearing plate. The first bearing plate has a groove, and the second bearing plate slider is slidably mounted within the groove. The second bearing plate slider is fixedly mounted on the second bearing plate. A manual rotating rod is rotatably mounted on the first bearing plate via the first rotation limit ring. The manual rotating rod is threadedly connected to the threaded bracket, which is fixedly mounted on the second bearing plate. The second rotation limit ring is fixedly mounted on the manual rotating rod. The first bearing plate roller and the second N-shaped slide are in rolling engagement.

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