Auxiliary mounting equipment for internal combustion engine bottom cover
Technical Field
The invention relates to the technical field of internal combustion engine assembly, in particular to auxiliary mounting equipment for an internal combustion engine bottom cover.
Background
An internal combustion engine is a power machine, which is a heat engine that burns fuel in the machine and directly converts the heat energy emitted by the fuel into power, the auxiliary installation equipment for the internal combustion engine bottom cover is the equipment used for installing the bottom cover at the bottom of the internal combustion engine when the internal combustion engine is produced and assembled, the auxiliary installation equipment is absent when the internal combustion engine bottom cover is installed at present, the bottom cover is inconvenient to install by workers, the bottom cover needs to be fixed by hands and installed by one hand, and meanwhile, the bottom cover is installed at the bottom of the internal combustion engine, so that the operation is inconvenient, the working efficiency is affected, the labor intensity is high, and the requirement of assembly line type installation cannot be met.
Disclosure of Invention
The invention aims to provide auxiliary mounting equipment for a bottom cover of an internal combustion engine, which can automatically turn over and fix the internal combustion engine, so that the bottom of the internal combustion engine is forward to a worker and the bottom cover is automatically aligned with the internal combustion engine, the worker can mount the internal combustion engine by two hands, the working strength is reduced, and the working efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme: an auxiliary mounting apparatus for an under cover of an internal combustion engine, comprising: the overturning type assembling mechanism, the assembling tray, the three-jaw clamp assembly and the clamp driving mechanism are arranged on the assembling tray;
the driving arm of the turnover type assembling mechanism is connected with an assembling tray, and the turnover type assembling mechanism is used for overturning and adjusting the assembling tray;
the three-jaw clamp assembly is arranged on the driving assembly tray and used for fixing the internal combustion engine placed on the assembly tray;
the clamp driving mechanism is arranged on the turnover type assembling mechanism, the clamp driving mechanism is assembled to drive the three-jaw clamp assembly to open and bulge when the turnover type assembling mechanism drives the assembling tray to turn over and adjust, and the internal combustion engine on the assembling tray is fixed by matching with the flywheel panel.
As a further description of the above technical solution:
the turnover type assembling mechanism comprises a main body base;
the surface one side vertical fixation of main part base has the drive seat, and drives the seat and rotate and be connected with the upset swing arm, the upset swing arm is Z type structure, and upset swing arm one end and assembly tray rigid coupling.
As a further description of the above technical solution:
the driving seat is further fixed with a driving unit, and the output end of the driving unit is in transmission connection with the turnover swing arm through a speed reducer.
As a further description of the above technical solution:
the three-jaw clamp assembly comprises a ball nut seat, a supporting clamping seat and a rectangular chute;
the rectangular chute is annular and provided with the surface of the assembly tray at an equal angle, and the depth of the rectangular chute is gradually reduced from the circle center of the assembly tray to the periphery of the assembly tray;
the ball nut seat is rotatably arranged at the circular position of the assembling tray, an adjusting screw is spirally embedded in the ball nut seat, and the top end of the outer side of the adjusting screw is hinged with a driving connecting rod;
the support grip slipper slides and imbeds in the rectangle chute, and supports to articulate on the grip slipper and have the alignment jig, the one end of alignment jig rotates and is connected with the regulation seat, and adjusts the seat and rotate with the one end of drive connecting rod and be connected.
As a further description of the above technical solution:
the three-jaw clamp assembly comprises a ball nut seat, a lifting clamping seat and a rectangular flat groove;
the rectangular flat groove is annular and has an equal angle and is provided with the surface of the assembling tray;
the ball nut seat is rotatably arranged at the circular position of the assembling tray, an adjusting screw is spirally embedded in the ball nut seat, and the top end of the outer side of the adjusting screw is hinged with a driving connecting rod;
the lifting clamping seat is embedded in the rectangular flat groove in a sliding mode, an adjusting frame is connected to the lifting clamping seat, one end of the adjusting frame is connected with an adjusting seat, and the adjusting seat is connected with one end of the driving connecting rod in a rotating mode.
As a further description of the above technical solution:
the lifting clamping seat comprises a sleeve frame and two inclined guide grooves;
the two inclined guide grooves are symmetrically formed in the side walls of the two sides of the rectangular flat groove;
the sleeve frame is arranged in the rectangular flat groove in a sliding mode, the sleeve frame is provided with a fixed seat in a vertical sliding mode, two ends of the fixed seat are symmetrically connected with adjusting rods, and the adjusting rods are movably embedded in the inclined guide grooves.
As a further description of the above technical solution:
the clamp driving mechanism comprises an arc-shaped limiting groove, an adjusting worm and a transmission turbine;
the arc-shaped limiting groove is formed in the surface of the driving seat, and a plurality of driving convex teeth are formed on the inner wall of the arc-shaped limiting groove in an integrated mode at equal intervals;
the adjusting worm is rotatably arranged in a horizontal cross rod of the overturning swing arm, one end of the adjusting worm penetrates through the overturning swing arm and is fixedly connected with a driving fluted disc, and the driving fluted disc is meshed with the driving convex teeth;
the transmission worm wheel is fixedly sleeved on the outer side of the ball nut seat and is in meshed connection with the adjusting worm.
As a further description of the above technical solution:
the surface of the assembly tray is fixed with an arc-shaped bracket, rectangular openings are formed in the circumferential surface of the assembly tray, and the rectangular openings are communicated with the rectangular chutes in the assembly tray.
As a further description of the above technical solution:
the device also comprises a bottom cover material rack;
the bottom cover material rack is vertically and fixedly connected to the outer side of the assembling tray, and the bottom cover material rack is assembled to be used for placing a bottom cover of the internal combustion engine to realize that the bottom cover and the internal combustion engine fixed on the assembling tray are aligned and fixed.
As a further description of the above technical solution:
the device also comprises a bottom cover material rack;
the bottom cover material rack is vertically and fixedly connected to the outer side of the assembling tray, and the bottom cover material rack is assembled to be used for placing a bottom cover of the internal combustion engine to realize that the bottom cover and the internal combustion engine fixed on the assembling tray are aligned and fixed.
As a further description of the above technical solution:
the bottom cover material rack comprises two support rods and a bottom cover mounting rack;
the two support rods are symmetrically and spirally fixed on two sides of the bottom of the assembling tray;
the bottom cover mounting rack is connected to the two support rods in a sliding manner through the sliding frame;
an elastic unit is connected between the support rod and the sliding frame, and the elastic force of the elastic unit is used for driving the sliding frame to move towards the direction of the internal combustion engine mounted on the mounting tray.
The invention provides auxiliary mounting equipment for an internal combustion engine bottom cover. The method has the following beneficial effects:
(1): this internal-combustion engine end cover is with supplementary erection equipment sets up convertible assembly devices and connects the assembly tray, places the direct vertical lift cooperation arc bracket of the internal-combustion engine that suspends in midair on the assembly line on the assembly tray, then drives the assembly tray through convertible assembly devices and overturns the level for direct just staff, simple to operate improves work efficiency in the internal-combustion engine bottom.
(2): the auxiliary mounting equipment for the internal combustion engine bottom cover synchronously and automatically drives the clamp driving mechanism to work when the assembly tray is driven by the turnover type assembly mechanism to turn over horizontally, the clamp driving mechanism drives the three-jaw clamp component to rise and stretch to be matched with the flywheel disc to fix the internal combustion engine on the assembly tray, the internal combustion engine is prevented from deviating and sliding during mounting, the assembly stability is improved, meanwhile, when the turnover type assembly mechanism drives the assembly tray to turn over and reset, the automatic drive clamp driving mechanism drives the three-jaw clamp component to reset without manual fixing, the disassembly and assembly are convenient, the working efficiency is further improved, the use safety is improved, meanwhile, external drive measures are not needed, the cost is reduced, and further, the three-jaw clamp component is embedded on the assembly tray under a normal state, so that the surface of the assembly tray is kept horizontal, and the fixation is realized by stretching in a fixed mode, when the suspended internal combustion engine is fixed on the assembly tray, the internal combustion engine can be prevented from moving on the assembly tray without horizontal movement only by vertical lifting, and the placing stability is improved.
(3): this internal-combustion engine end cover is with supplementary erection equipment sets up the end cover work or material rest on the assembly tray, directly place the end cover in the end cover mounting bracket on the end cover work or material rest, cooperation elastic unit, when the internal-combustion engine is fixed on the assembly tray, elastic unit drive end cover mounting bracket is automatic to the internal-combustion engine upper end cover installation station fixed of counterpointing, it is fixed to realize counterpointing end cover and internal-combustion engine upper end cover installation station, do not need the handheld end cover of staff to install, it is more convenient to operate, show improvement work efficiency.
Drawings
FIG. 1 is a schematic view of an initial state structure of an auxiliary mounting apparatus for an under cover of an internal combustion engine according to the present invention;
FIG. 2 is a schematic diagram of an assembled state of an auxiliary mounting apparatus for an under cover of an internal combustion engine according to the present invention;
FIG. 3 is a structural diagram of a back side of an auxiliary mounting apparatus for an under cover of an internal combustion engine according to the present invention;
FIG. 4 is a schematic view of an open configuration of a three-jaw clamp assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a reset state of the three-jaw clamp assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of the driving mechanism of the clamp of the present invention;
FIG. 7 is a schematic structural view of a driving seat according to the present invention;
FIG. 8 is a schematic view of an assembly structure of the assembly tray and the bottom cover rack according to the present invention;
FIG. 9 is a schematic structural diagram of an assembly tray according to a first embodiment of the present invention;
fig. 10 is a schematic structural view of a bottom cover rack according to the present invention;
FIG. 11 is a schematic structural view of a three-jaw clamp assembly according to a second embodiment of the present invention;
FIG. 12 is a schematic view of the lifting/lowering clamp of the present invention;
FIG. 13 is a schematic view of an assembly tray according to a second embodiment of the present invention; .
Illustration of the drawings:
1. a turnover type assembling mechanism; 101. a main body base; 102. a driving seat; 103. turning over the swing arm; 104. an arc-shaped limiting groove; 105. a drive lobe; 106. a drive unit; 107. adjusting the worm; 108. a driving fluted disc; 2. assembling a tray; 201. an arc bracket; 3. a three-jaw clamp assembly; 301. a ball nut seat; 302. a drive turbine; 303. adjusting the lead screw; 304. a drive link; 305. an adjusting seat; 306. an adjusting bracket; 307. supporting the clamping seat; 308. a rectangular chute; 309. a rectangular opening; 37. a lifting clamping seat; 371. sleeving a frame; 372. a fixed seat; 373. adjusting a rod; 38. a rectangular flat slot; 381. an oblique guide groove; 4. a bottom cover material rack; 401. a support bar; 402. a carriage; 403. a bottom cover mounting bracket; 404. an elastic unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
First embodiment, referring to fig. 1 to 10, an auxiliary mounting apparatus for an under cover of an internal combustion engine, comprising: the overturning type assembling mechanism 1, the assembling tray 2, the three-jaw clamp assembly 3 and the clamp driving mechanism;
the driving arm of the turnover type assembling mechanism 1 is connected with an assembling tray 2, and the turnover type assembling mechanism 1 is used for overturning and adjusting the assembling tray 2;
the three-jaw clamp assembly 3 is arranged on the driving assembly tray 2 and used for fixing an internal combustion engine placed on the assembly tray 2;
the fixture driving mechanism is arranged on the turnover type assembling mechanism 1, the fixture driving mechanism is assembled to drive the three-jaw fixture component 3 to open and bulge when the turnover type assembling mechanism 1 drives the assembling tray 2 to turn over and adjust, and the internal combustion engine on the assembling tray 2 is fixed by matching with the flywheel panel.
The working principle is as follows: when the auxiliary mounting equipment for the internal combustion engine bottom cover is used, the internal combustion engine suspended on a production line is directly vertically lifted and placed on the assembling tray 2, then the turnover type assembling mechanism 1 drives the assembling tray 2 to turn over and level, so that the bottom of the internal combustion engine directly faces to the working personnel, when the turnover type assembling mechanism 1 drives the assembling tray 2 to turn over horizontally, the three-jaw clamp component 3 is driven to open by the matching clamp driving mechanism and to lift and match with the flywheel disc to fix the internal combustion engine on the assembling tray 2, meanwhile, when the overturning assembly mechanism 1 drives the assembly tray 2 to overturn and reset, the automatic driving clamp driving mechanism drives the three-jaw clamp assembly 3 to reset without manual fixing, so that the automatic driving clamp assembly is convenient to disassemble and assemble, the working efficiency is improved, the installation safety is improved, meanwhile, an external driving measure is not needed, the cost is reduced, and the assembly line type processing requirement is met.
The turnover type assembling mechanism 1 comprises a main body base 101;
a driving seat 102 is vertically fixed on one side of the surface of the main body base 101, the driving seat 102 is rotatably connected with a turnover swing arm 103, the turnover swing arm 103 is of a Z-shaped structure, and one end of the turnover swing arm 103 is fixedly connected with the assembly tray 2.
The driving seat 102 is further fixed with a driving unit 106, and an output end of the driving unit 106 is in transmission connection with the turnover swing arm 103 through a speed reducer, wherein the driving unit 106 is a servo motor.
Further, when the turnover assembly mechanism 1 drives the assembly tray 2 to be turned over and adjusted, the driving unit 106 is matched with the speed reducer to drive the turnover swing arm 103 to rotate, and the turnover swing arm 103 drives the assembly tray 2 to be turned over and adjusted, so that the internal combustion engine station on the assembly tray 2 is adjusted, and the bottom cover is convenient to install.
The three-jaw clamp assembly 3 comprises a ball nut seat 301, a supporting clamping seat 307 and a rectangular chute 308;
the rectangular chute 308 is annular and has an equal angle with the surface of the assembly tray 2, and the depth of the rectangular chute 308 is gradually reduced from the center of the assembly tray 2 to the periphery of the assembly tray 2;
the ball nut seat 301 is rotatably arranged at the circular position of the assembling tray 2, the adjusting screw 303 is spirally embedded in the ball nut seat 301, and the top end of the outer side of the adjusting screw 303 is hinged with a driving connecting rod 304;
the supporting clamping seat 307 is slidably embedded in the rectangular chute 308, an adjusting bracket 306 is hinged on the supporting clamping seat 307, one end of the adjusting bracket 306 is rotatably connected with an adjusting seat 305, and the adjusting seat 305 is rotatably connected with one end of the driving connecting rod 304.
Further, when the internal combustion engine on the assembly tray 2 is fixed, the three-jaw clamp assembly 3 rotates through the ball nut seat 301 to drive the adjusting screw 303 to perform lifting, the adjusting screw 303 is matched with the driving connecting rod 304 at the top end of the adjusting screw to push the adjusting seat 305 to move, the adjusting seat 305 is matched with the adjusting frame 306 to drive the supporting clamping seat 307 to move on the rectangular chute 308, the supporting clamping seat 307 automatically lifts on the rectangular chute 308 to extend to the outer side of the assembly tray 2 and support and fix the inner ring of the flywheel disc of the internal combustion engine, so that the flywheel disc of the internal combustion engine is fixed, and finally the internal combustion engine is fixed.
The clamp driving mechanism comprises an arc-shaped limiting groove 104, an adjusting worm 107 and a transmission worm wheel 302;
the arc-shaped limiting groove 104 is formed on the surface of the driving seat 102, and a plurality of driving convex teeth 105 are formed on the inner wall of the arc-shaped limiting groove 104 at equal intervals in an integrated manner;
the adjusting worm 107 is rotatably arranged in a horizontal cross bar of the overturning swing arm 103, and one end of the adjusting worm 107 penetrates through the overturning swing arm 103 and is fixedly connected with a driving fluted disc 108 which is in meshed connection with the driving convex teeth 105;
the drive worm wheel 302 is fixedly sleeved outside the ball nut seat 301, and the drive worm wheel 302 is in meshed connection with the adjusting worm 107.
Further, the clamp driving mechanism drives the three-jaw clamp assembly 3 to fix, the arc-shaped limiting groove 104 is a quarter arc-shaped groove, and the position of the center of the arc-shaped limiting groove 104 is at the same point as the connecting position of the turnover swing arm 103, when the overturning swing arm 103 drives the assembly tray 2 to overturn, the driving fluted disc 108 on the adjusting worm 107 is matched with the driving convex tooth 105 in the arc-shaped limiting groove 104 to drive the adjusting worm 107 to rotate, the adjusting worm 107 is matched with the transmission worm wheel 302 to drive the ball nut seat 301 to rotate, so that the three-jaw clamp assembly 3 is driven to unfold, after the installation is finished, when the assembly tray 2 is driven to reset through the overturning swing arm 103, the arc-shaped limiting groove 104 is matched with the driving convex tooth 105 to drive the adjusting worm 107 to rotate reversely, therefore, the adjusting worm 107 is matched with the transmission worm wheel 302 to drive the ball nut seat 301 to rotate reversely, and the three-jaw clamp assembly 3 is driven to reset.
The surface of the assembly tray 2 is fixed with an arc bracket 201, a rectangular opening 309 is opened on the circumferential surface of the assembly tray 2, and the rectangular opening 309 is communicated with a rectangular chute 308 on the assembly tray 2.
Further, the arc-shaped bracket 201 is used for lifting and placing the internal combustion engine on the assembly tray 2 in a vertical state, and is matched with a flywheel on the internal combustion engine to assist in bearing and fixing the internal combustion engine, and meanwhile, the rectangular opening 309 is communicated with the rectangular chute 308, so that when the three-jaw clamp assembly 3 is opened, foreign matters in the rectangular chute 308 can be directly cleaned out through the rectangular opening 309, and the influence on the opening of the three-jaw clamp assembly 3 cannot be caused.
The device also comprises a bottom cover material rack 4;
the perpendicular fixed connection of end cover work or material rest 4 is in the outside of assembling tray 2, and end cover work or material rest 4 is assembled and is realized counterpointing fixedly with end cover and the internal-combustion engine of assembling tray 2 fixed for being used for placing internal-combustion engine end cover.
The bottom cover material rack 4 comprises two support rods 401 and a bottom cover mounting rack 403;
two support rods 401 are symmetrically and spirally fixed on two sides of the bottom of the assembly tray 2;
the bottom cover mounting frame 403 is slidably connected to the two support rods 401 through a sliding frame 402;
an elastic unit 404 is connected between the support bar 401 and the carriage 402, and an elastic force of the elastic unit 404 is installed to drive the carriage 402 to move in a direction of the internal combustion engine mounted on the mounting tray 2.
Further, when the installation is carried out, the bottom cover is directly placed in the bottom cover mounting frame 403 on the bottom cover material frame 4, when the internal combustion engine is fixed on the assembly tray 2, the elastic unit 404 drives the bottom cover mounting frame 403 to be automatically aligned and fixed with the internal combustion engine upper bottom cover mounting station, the alignment and fixation of the bottom cover and the internal combustion engine upper bottom cover mounting station are realized, the bottom cover does not need to be held by a worker for installation, the operation is more convenient, and the work efficiency is obviously improved.
Second embodiment, referring to fig. 11 to 13, an auxiliary mounting apparatus for an under cover of an internal combustion engine, comprising: the overturning type assembling mechanism 1, the assembling tray 2, the three-jaw clamp assembly 3 and the clamp driving mechanism;
the driving arm of the turnover type assembling mechanism 1 is connected with an assembling tray 2, and the turnover type assembling mechanism 1 is used for overturning and adjusting the assembling tray 2;
the three-jaw clamp assembly 3 is arranged on the driving assembly tray 2 and used for fixing an internal combustion engine placed on the assembly tray 2;
the fixture driving mechanism is arranged on the turnover type assembling mechanism 1, the fixture driving mechanism is assembled to drive the three-jaw fixture component 3 to open and bulge when the turnover type assembling mechanism 1 drives the assembling tray 2 to turn over and adjust, and the internal combustion engine on the assembling tray 2 is fixed by matching with the flywheel panel.
The turnover type assembling mechanism 1 comprises a main body base 101;
a driving seat 102 is vertically fixed on one side of the surface of the main body base 101, the driving seat 102 is rotatably connected with a turnover swing arm 103, the turnover swing arm 103 is of a Z-shaped structure, and one end of the turnover swing arm 103 is fixedly connected with the assembly tray 2.
The driving seat 102 is further fixed with a driving unit 106, and an output end of the driving unit 106 is in transmission connection with the turnover swing arm 103 through a speed reducer.
The three-jaw clamp assembly 3 comprises a ball nut seat 301, a lifting clamping seat 37 and a rectangular flat groove 38;
the rectangular flat groove 38 is annular and has an equal angle and is provided with the surface of the assembly tray 2;
the ball nut seat 301 is rotatably arranged at the circular position of the assembling tray 2, the adjusting screw 303 is spirally embedded in the ball nut seat 301, and the top end of the outer side of the adjusting screw 303 is hinged with a driving connecting rod 304;
the lifting clamping seat 37 is embedded in the rectangular flat groove 38 in a sliding manner, an adjusting frame 306 is connected to the lifting clamping seat 37, an adjusting seat 305 is connected to one end of the adjusting frame 306, and the adjusting seat 305 is rotatably connected to one end of the driving connecting rod 304.
The lifting clamping seat 37 comprises a sleeve frame 371 and two inclined guide grooves 381;
two inclined guide grooves 381 are symmetrically arranged on the side walls of the two sides of the rectangular flat groove 38;
the sleeve frame 371 is slidably disposed in the rectangular flat groove 38, and a fixing seat 372 is vertically slidably disposed in the sleeve frame 371, two ends of the fixing seat 372 are symmetrically connected with an adjusting rod 373, and the adjusting rod 373 is movably embedded in the inclined guiding groove 381.
Further, when the internal combustion engine on the assembly tray 2 is fixed, the three-jaw clamp assembly 3 rotates through the ball nut seat 301 to drive the adjusting screw 303 to perform lifting, the adjusting screw 303 is matched with the driving connecting rod 304 at the top end of the adjusting screw to push the adjusting seat 305 to move, the adjusting seat 305 is matched with the adjusting frame 306 to drive the lifting clamping seat 37 to move on the rectangular flat groove 38, when the lifting clamping seat 37 moves on the rectangular flat groove 38, the adjusting rods 373 connected with the two sides of the fixing seat 372 in the lifting clamping seat 37 automatically lift at the inclined guide grooves 381, extend to the outer side of the assembly tray 2 and support and fix the inner ring of the flywheel disc of the internal combustion engine, so that the flywheel disc of the internal combustion engine is fixed, and finally the internal combustion engine is fixed.
The clamp driving mechanism comprises an arc-shaped limiting groove 104, an adjusting worm 107 and a transmission worm wheel 302;
the arc-shaped limiting groove 104 is formed on the surface of the driving seat 102, and a plurality of driving convex teeth 105 are formed on the inner wall of the arc-shaped limiting groove 104 at equal intervals in an integrated manner;
the adjusting worm 107 is rotatably arranged in a horizontal cross bar of the overturning swing arm 103, and one end of the adjusting worm 107 penetrates through the overturning swing arm 103 and is fixedly connected with a driving fluted disc 108 which is in meshed connection with the driving convex teeth 105;
the drive worm wheel 302 is fixedly sleeved outside the ball nut seat 301, and the drive worm wheel 302 is in meshed connection with the adjusting worm 107.
The surface of the assembly tray 2 is fixed with an arc bracket 201, a rectangular opening 309 is opened on the circumferential surface of the assembly tray 2, and the rectangular opening 309 is communicated with the rectangular flat groove 38 on the assembly tray 2.
Further, the arc-shaped bracket 201 is used for lifting and placing the internal combustion engine on the assembly tray 2 in a vertical state, and is matched with a flywheel on the internal combustion engine to assist in bearing and fixing the internal combustion engine, and meanwhile, the rectangular opening 309 is communicated with the rectangular flat groove 38, so that when the three-jaw clamp assembly 3 is opened, foreign matters in the rectangular flat groove 38 can be directly cleared away through the rectangular opening 309, and the opening of the three-jaw clamp assembly 3 cannot cause influence.
The device also comprises a bottom cover material rack 4;
the perpendicular fixed connection of end cover work or material rest 4 is in the outside of assembling tray 2, and end cover work or material rest 4 is assembled and is realized counterpointing fixedly with end cover and the internal-combustion engine of assembling tray 2 fixed for being used for placing internal-combustion engine end cover.
The bottom cover material rack 4 comprises two support rods 401 and a bottom cover mounting rack 403;
two support rods 401 are symmetrically and spirally fixed on two sides of the bottom of the assembly tray 2;
the bottom cover mounting frame 403 is slidably connected to the two support rods 401 through a sliding frame 402;
an elastic unit 404 is connected between the support bar 401 and the carriage 402, and an elastic force of the elastic unit 404 is installed to drive the carriage 402 to move in a direction of the internal combustion engine mounted on the mounting tray 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.