CN113524121A - Disassembling tool for engine piston connecting rod set - Google Patents
Disassembling tool for engine piston connecting rod set Download PDFInfo
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- CN113524121A CN113524121A CN202111026965.4A CN202111026965A CN113524121A CN 113524121 A CN113524121 A CN 113524121A CN 202111026965 A CN202111026965 A CN 202111026965A CN 113524121 A CN113524121 A CN 113524121A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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Abstract
The invention relates to the technical field of engine disassembly and maintenance, and particularly discloses an engine piston connecting rod group disassembling tool which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a top plate through two supporting plates, one side surface of one supporting plate is fixedly connected with a third mounting plate through a traversing mechanism, the bottom of the third mounting plate is fixedly connected with a transverse plate through a jacking mechanism, the bottom of the transverse plate is fixedly connected with a first mounting plate through two second fixing plates, a vibrating motor is installed at the top of the first mounting plate, a dirt removing lubricating assembly is arranged at the bottom of the first mounting plate, and a disassembling assembly is arranged on the side surface of the first mounting plate. The invention can lead the joint of the big end of the piston connecting rod and the crankshaft of the engine to generate certain looseness, is convenient for lubricating oil to be immersed and loosened and disassembled, and solves the problem that the piston connecting rod group is damaged because the knocking force is difficult to grasp in the traditional loosening mode.
Description
Technical Field
The invention relates to the technical field of engine disassembly and maintenance, in particular to a disassembly tool for an engine piston connecting rod set.
Background
The engine is a machine capable of converting other forms of energy into mechanical energy, and the first external combustion engine invented by r.stirling of england (scotland) in 1816 years is later improved by watt to be a steam engine, and the engine is suitable for a power generation device, and can also refer to whole machines including power devices (such as gasoline engines and aircraft engines), and the types of the whole machines include internal combustion engines (gasoline engines and the like), external combustion engines (stirling engines, steam engines and the like), gas turbines (racing cars), electric motors and the like.
When the automobile engine is used, certain faults can not be avoided, the engine needs to be disassembled and maintained, in the process of disassembling the engine, the disassembling of the engine piston connecting rod group from the engine crankshaft is one of the difficult problems faced by all maintenance personnel, after the engine is damaged, the piston connecting rod group is sleeved on the engine crankshaft for a long time without rotating, the piston connecting rod group can be adhered to the engine crankshaft, when the engine is damaged, most of the piston which can plug the connecting rod is blocked in the cylinder barrel due to the cylinder pulling phenomenon, the piston connecting rod group is difficult to disassemble, the piston connecting rod group is sleeved on the engine crankshaft, the connection between the piston connecting rod group and the engine crankshaft is very tight, when the connecting rod cover is disassembled, the piston connecting rod group is difficult to disassemble due to the adhesion generated by the long-time non-rotation between the big end of the connecting rod and the engine crankshaft, and the big end of the piston connecting rod group is mostly knocked by a rubber hammer when being loosened from the engine crankshaft, but when the piston connecting rod group is knocked to loosen from the engine crankshaft, the efficiency is low, the knocking force is difficult to control, the big end of the piston connecting rod is easy to damage and deform due to overlarge knocking force in the knocking process, and unnecessary loss is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a tool for disassembling a piston connecting rod group of an engine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the tool for disassembling the piston connecting rod group of the engine comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a top plate through two support plates, one side of one support plate is fixedly connected with a third mounting plate through a transverse moving mechanism, the bottom of the third mounting plate is fixedly connected with a transverse plate through a jacking mechanism, the bottom of the transverse plate is fixedly connected with a first mounting plate through two second fixing plates, a vibration motor is installed at the top of the first mounting plate, a decontamination lubricating assembly is arranged at the bottom of the first mounting plate, and a disassembling assembly is arranged on the side of the first mounting plate.
Preferably, the disassembling component comprises a first connecting plate fixed on the side face of the first mounting plate, an adjusting bolt is inserted into the first connecting plate, the bottom end of the adjusting bolt is rotatably connected with a second connecting plate, a disassembling plate is mounted at the bottom of the second connecting plate, rubber anti-slip layers are coated on two sides of the disassembling plate, an arc-shaped groove matched with an engine crankshaft is formed in the bottom of the disassembling plate, a plurality of universal balls are embedded on the groove face of the arc-shaped groove, and the universal balls are rotatably connected with the groove face of the arc-shaped groove.
Preferably, a through hole is formed in the first connecting plate, an internal thread sleeve is installed in the through hole, an adjusting bolt is sleeved in the internal thread sleeve in a threaded manner, a second sliding rod is fixed to the top of the second connecting plate, and the second sliding rod penetrates through the first connecting plate and is connected with a limiting disc.
Preferably, the transverse moving mechanism comprises a driving motor arranged on the side face of the supporting plate, an output shaft of the driving motor penetrates through one of the supporting plates and is fixedly connected with a lead screw, a connecting block is sleeved on the lead screw in a threaded manner, a sliding block is fixed to the top of the connecting block, a sliding groove is formed in the bottom of the top plate, the sliding block is slidably arranged in the sliding groove, and a third mounting plate is fixed to the bottom of the connecting block.
Preferably, a motor protecting shell is installed on the side face of each supporting plate, the driving motor is located in the motor protecting shell, a bearing seat is installed on one face, close to the connecting block, of one supporting plate, a bearing is installed in the bearing seat, and the end portion of the screw rod is installed on the inner ring of the bearing.
Preferably, the jacking mechanism comprises a hydraulic cylinder installed at the bottom of the third mounting plate, the tail end of a piston rod of the hydraulic cylinder is fixedly connected to the top of the transverse plate, first fixing plates are fixed to two sides of the transverse plate, sliding sleeves are installed on the two first fixing plates, two first sliding rods are fixed to the bottom of the third mounting plate, and the two first sliding rods are respectively sleeved in the two sliding sleeves in a sliding mode.
Preferably, the scrubbing lubricating component is including installing the dust catcher at first mounting panel top, and dust absorption dish and the head of smearing are installed to first mounting panel bottom, and the dust absorption dish communicates with the dust absorption end of dust catcher, and the head of smearing intercommunication has the conveyer pipe, and the conveyer pipe runs through first mounting panel and communicates and has the lubricating oil filling pipe, and the fixed heating ring that has connect of lubricating oil filling pipe outer wall, and first mounting panel bottom is provided with the cleaning brush, and the brush hair of cleaning brush covers first mounting panel bottom and removes the surplus region of dust absorption dish and the head of smearing.
Preferably, the smearing head is positioned on the left side of the dust collection disc, and the smearing head and the dust collection disc are both positioned in the inner ring of the bristles of the cleaning brush.
Preferably, the top of the bottom plate is fixed with two supporting plates, the top plate is fixed at the tops of the two supporting plates, the bottom plate is provided with a limiting groove matched with the engine, a cushion pad is fixed in the limiting groove, the top of the bottom plate is fixed with two baffle plates, and the two baffle plates are located on two sides of the limiting groove.
Preferably, diaphragm bottom is fixed with two second fixed plates, and the first mounting panel is fixed in two second fixed plate bottoms, and the second mounting panel is installed at first mounting panel top, and vibrating motor passes through fastening bolt and installs at second mounting panel top.
Compared with the prior art, the invention has the beneficial effects that:
1: in the invention, the vibration motor drives the first mounting plate to vibrate, the cleaning brush cleans and removes greasy dirt accumulated at the joint of the big end of the piston connecting rod and the engine crankshaft, the cleaning brush is driven by the vibration motor to clean and improve the cleaning effect, lubricating oil enters the coating head through the lubricating oil filling pipe, the lubricating oil is uniformly coated on the joint of the big end of the piston connecting rod and the engine crankshaft under the matching of the bristles of the cleaning brush and the vibration of the vibration motor, the lubrication degree is increased, the loosening and the disassembly of the piston connecting rod at the later stage are convenient, the heating ring fixedly sleeved on the outer wall of the lubricating oil filling pipe can heat the lubricating oil, the lubricating oil is prevented from being difficult to be uniformly coated at the joint of the big end of the piston connecting rod and the engine crankshaft due to solidification, and the thermal expansion principle in thermal expansion and cold contraction is carried out on the big end of the piston connecting rod and the engine crankshaft by utilizing the heated temperature of the lubricating oil, the joint between the big end of the piston connecting rod and the crankshaft of the engine can be loosened to a certain extent, so that the piston connecting rod can be conveniently loosened and detached while lubricating oil is immersed.
2: the dust collection disc can collect heat generated by heated lubricating oil and oil stains brushed off by the cleaning brush, so that the oil stains are prevented from falling into an engine shell, high-temperature gas generated by the heated lubricating oil can be absorbed, air circulation is accelerated to rapidly cool the lubricating oil, the heated piston connecting rod big end and an engine crankshaft are rapidly cooled, a gap is generated at the joint of the piston connecting rod big end and the engine crankshaft by using the principle of expansion with heat and contraction with cold, so that the disassembly plate can conveniently perform loosening and disassembly on the piston connecting rod big end and the engine crankshaft, the disassembly plate vibrates along with the first installation plate under the vibration action of the vibration motor and abuts against the joint of the piston connecting rod big end and the engine crankshaft under the matching of the transverse moving mechanism, the piston connecting rod group can vibrate along with the disassembly plate, the piston connecting rod big end and the engine crankshaft are gradually loosened due to vibration, and the transverse moving mechanism can push the piston connecting rod big end to enable the piston connecting rod big end to be large in the loosening process due to vibration The head and the engine crankshaft generate deviation, the loosening is completely ensured, the efficiency of the piston connecting rod group during loosening from the engine crankshaft is improved, vibration is generated by the vibration motor in the loosening process, the vibration amplitude is fixed, the situation that the piston connecting rod big end is knocked and loosened by using a rubber hammer is avoided, and the problem that the piston connecting rod group is damaged due to the fact that knocking force is difficult to hold in the traditional loosening mode is solved.
3: the limiting groove can limit the engine, the engine is prevented from deviating when the dismounting plate vibrates to loosen the piston connecting rod group and the engine crankshaft, the buffering cushion fixed in the limiting groove can provide buffering effect for the engine, the engine is prevented from frequently generating vibration under the vibration effect of the dismounting plate to cause excessive friction between the bottom of the engine and the bottom wall in the limiting groove to cause engine abrasion, the engine is protected, the piston rod of the hydraulic cylinder pushes the transverse plate to move up and down to adjust the height, the heights of the cleaning brush, the smearing head and the dust collection disc at the bottom of the first mounting plate can be adjusted, and the cleaning brush, the smearing head and the dust collection disc can be adjusted according to actual requirements.
Drawings
FIG. 1 is an isometric view of a disassembly tool for a piston linkage of an engine, according to the present invention;
FIG. 2 is an isometric view of a disassembly tool for a piston connecting rod group of an engine, which is provided by the invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of the connection between the first mounting plate and the vibration motor of the disassembly tool for the piston linkage of the engine according to the present invention;
FIG. 5 is a schematic view of the connection between the first mounting plate and the dust collection plate of the disassembly tool for the piston linkage of the engine, which is provided by the invention;
fig. 6 is a front view of a disassembly tool for an engine piston connecting rod set, which is provided by the invention.
In the figure: 1. a base plate; 2. a limiting groove; 3. a baffle plate; 4. a support plate; 5. a top plate; 6. a hydraulic cylinder; 7. a transverse plate; 8. a first slide bar; 9. a first fixing plate; 10. a sliding sleeve; 11. a second fixing plate; 12. a first mounting plate; 13. a vacuum cleaner; 14. a screw rod; 15. a chute; 16. a slider; 17. connecting blocks; 18. a motor protective housing; 19. adjusting the bolt; 20. a first connecting plate; 21. disassembling the plate; 22. a second slide bar; 23. a cleaning brush; 24. a second connecting plate; 25. a heating ring; 26. a second mounting plate; 27. a vibration motor; 28. a dust collection tray; 29. coating a head; 30. and a third mounting plate.
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.
Referring to fig. 1-6, an engine piston connecting rod group disassembling tool comprises a bottom plate 1 and is characterized in that the top of the bottom plate 1 is fixedly connected with a top plate 5 through two supporting plates 4, one side surface of one supporting plate 4 is fixedly connected with a third mounting plate 30 through a traversing mechanism, the bottom of the third mounting plate 30 is fixedly connected with a transverse plate 7 through a jacking mechanism, the bottom of the transverse plate 7 is fixedly connected with a first mounting plate 12 through two second fixing plates 11, a vibrating motor 27 is installed at the top of the first mounting plate 12, a dirt removing lubricating assembly is arranged at the bottom of the first mounting plate 12, and a disassembling assembly is arranged at the side surface of the first mounting plate 12.
As a technical optimization scheme of the invention, the disassembling component comprises a first connecting plate 20 fixed on the side surface of a first installing plate 12, an adjusting bolt 19 is inserted on the first connecting plate 20, the bottom end of the adjusting bolt 19 is rotatably connected with a second connecting plate 24, the bottom of the second connecting plate 24 is provided with a disassembling plate 21, both sides of the disassembling plate 21 are coated with rubber anti-slip layers, the bottom of the disassembling plate 21 is provided with an arc-shaped groove matched with an engine crankshaft, the groove surface of the arc-shaped groove is embedded with a plurality of universal balls which are rotatably connected with the groove surface of the arc-shaped groove, the threaded rod of the adjusting bolt 19 can be driven to spirally move up and down in an inner threaded sleeve by rotating the adjusting bolt 19, so as to drive the second connecting plate 24 to move up and down, the height of the disassembling plate 21 arranged at the bottom of the second connecting plate 24 can be adjusted, and the adjustment can be carried out according to the distance that the connecting rod head between the connecting rod big end of the piston connecting rod group and the engine crankshaft protrudes out of the engine crankshaft, the wall of the arc-shaped groove at the bottom of the detaching plate 21 can be attached to the outer wall of the engine crankshaft, and the detaching plate 21 is used for pushing the bulge at the joint of the connecting rod big end of the piston connecting rod group and the engine crankshaft to loosen and detach the connecting rod big end and the engine crankshaft.
As a technical optimization scheme of the invention, a through hole is formed in the first connecting plate 20, an internal thread sleeve is installed in the through hole, the adjusting bolt 19 is in threaded sleeve connection, a second sliding rod 22 is fixed at the top of the second connecting plate 24, the second sliding rod 22 penetrates through the first connecting plate 20 and is connected with a limiting disc, and the second sliding rod 22 can provide guidance for the adjusting bolt 19 when adjusting the height of the pushing plate 21.
As a technical optimization scheme of the invention, the transverse moving mechanism comprises a driving motor arranged on the side surface of the support plate 4, an output shaft of the driving motor penetrates through one of the support plates 4 and is fixedly connected with a screw rod 14, a connecting block 17 is sleeved on the screw rod 14 in a threaded manner, a sliding block 16 is fixed at the top of the connecting block 17, a sliding groove 15 is arranged at the bottom of the top plate 5, the sliding block 16 is slidably arranged in the sliding groove 15, a third mounting plate 30 is fixed at the bottom of the connecting block 17, the output shaft of the driving motor drives the screw rod 14 to rotate so as to enable the connecting block 17 to transversely move on the screw rod 14, the sliding block 16 is slidably arranged in the sliding groove 15 so as to provide guidance for the connecting block 17 during transverse movement, the connecting block 17 can drive the jacking mechanism to transversely move when transversely, and finally drive the dismounting plate 21 to transversely move, so as to provide transverse moving force when the dismounting plate 21 loosens a big end connected with a piston rod from a crankshaft of the engine under the vibration, when the piston connecting rod deviates on the engine crankshaft due to vibration, the disassembling plate 21 can transversely move towards the left side, so that the large end of the piston connecting rod is pushed by the disassembling plate 21 to deviate from the engine crankshaft, and the complete loosening between the large end of the piston connecting rod and the engine crankshaft is ensured.
As a technical optimization scheme of the invention, motor protecting shells 18 are arranged on the side surfaces of the supporting plates 4, the driving motor is positioned in the motor protecting shells 18, the motor protecting shells 18 can drive the motor to provide a protection effect to avoid the phenomenon of mistaken touch of personnel, a bearing seat is arranged on one surface, close to the connecting block 17, of one of the supporting plates 4, a bearing is arranged in the bearing seat, the end part of the screw rod 14 is arranged in an inner ring of the bearing, and the bearing can provide a supporting and guiding effect for the screw rod 14.
As a technical optimization scheme of the invention, the jacking mechanism comprises a hydraulic cylinder 6 arranged at the bottom of a third mounting plate 30, the tail end of a piston rod of the hydraulic cylinder 6 is fixedly connected to the top of a transverse plate 7, first fixing plates 9 are fixed on two sides of the transverse plate 7, sliding sleeves 10 are arranged on the two first fixing plates 9, two first sliding rods 8 are fixed at the bottom of the third mounting plate 30, the two first sliding rods 8 are respectively sleeved in the two sliding sleeves 10 in a sliding manner, the piston rod of the hydraulic cylinder 6 pushes the transverse plate 7 to move up and down, and the height of the first mounting plate 12 can be adjusted, so that the height of a cleaning brush 23 at the bottom of the first mounting plate 12 can be adjusted, and the height of the cleaning brush can be adjusted according to actual conditions.
As a technical optimization scheme of the invention, the dirt removing and lubricating component comprises a dust collector 13 arranged at the top of a first mounting plate 12, a dust collection disc 28 and an application head 29 are arranged at the bottom of the first mounting plate 12, the dust collection disc 28 is communicated with the dust collection end of the dust collector 13, the application head 29 is communicated with a delivery pipe, the delivery pipe penetrates through the first mounting plate 12 and is communicated with a lubricating oil filling pipe, a heating ring 25 is fixedly sleeved on the outer wall of the lubricating oil filling pipe, a cleaning brush 23 is arranged at the bottom of the first mounting plate 12, bristles of the cleaning brush 23 cover the rest area of the bottom of the first mounting plate 12 except the dust collection disc 28 and the application head 29, the application head 29 can be used for coating lubricating oil on the piston connecting rod group and the engine crankshaft through the cleaning brush 23, lubrication is added between the piston connecting rod group and the engine crankshaft, the cleaning brush 23 uniformly coats the lubricating oil on the piston connecting rod group and the engine crankshaft under the vibration action of a vibration motor 27, the dirty oil that heat and the clear brush of cleaning brush 23 that the lubricating oil after the heating produced of dust absorption dish 28 can be collected, avoid its greasy dirt to drop in engine housing, and can absorb the high-temperature gas that the lubricating oil after the heating produced, thereby accelerate the circulation of air and carry out the cooling of rapid cooling to lubricating oil, thereby carry out rapid cooling to piston connecting rod group and engine crankshaft after the intensification, utilize expend with heat and contract with cold's principle to make its junction produce the gap, so that the dismantlement board 21 takes off to dismantle it.
As a technical optimization scheme of the present invention, the smearing head 29 is located on the left side of the dust collection disc 28, so that the smearing head 29 can be ensured to smear lubricating oil on the piston connecting rod set and the engine crankshaft in advance, after the lubricating oil is smeared, the dust collection disc 28 is used to absorb high-temperature gas generated by high-temperature lubricating oil to rapidly cool the piston connecting rod set and the engine crankshaft, and the smearing head 29 and the dust collection disc 28 are both located in the bristle inner ring of the cleaning brush 23.
As a technical optimization scheme of the invention, two supporting plates 4 are fixed on the top of a bottom plate 1, a top plate 5 is fixed on the tops of the two supporting plates 4, a limiting groove 2 matched with an engine is formed in the bottom plate 1, a cushion pad is fixed in the limiting groove 2, the limiting groove 2 can limit the engine, the situation that the engine deflects when a disassembly plate 21 loosens a piston connecting rod big end and an engine crankshaft due to vibration is avoided, the cushion pad fixed in the limiting groove 2 can provide a cushioning effect for the engine, the situation that the engine is abraded due to excessive friction between the bottom of the engine and the bottom wall in the limiting groove 2 due to frequent vibration of the engine under the vibration effect of the disassembly plate 21 is prevented, the protection performance of the engine is improved, two baffle plates 3 are fixed on the top of the bottom plate 1, and the two baffle plates 3 are positioned on two sides of the limiting groove 2.
As a technical optimization scheme of the invention, the two second fixing plates 11 are fixed at the bottom of the transverse plate 7, the first mounting plate 12 is fixed at the bottom of the two second fixing plates 11, the second mounting plate 26 is mounted at the top of the first mounting plate 12, the vibration motor 27 is mounted at the top of the second mounting plate 26 through a fastening bolt, and the vibration motor 27 is mounted on the second mounting plate 26, so that the vibration motor 27 can be conveniently detached and fastened at the later stage.
When the invention is used, an engine is placed in the limiting groove 2 on the bottom plate 1, the limiting groove 2 can limit the engine, the situation that the engine deviates when the disassembly plate 21 vibrates to loosen the piston connecting rod group and the engine crankshaft is avoided, the buffer cushion fixed in the limiting groove 2 can provide buffer action for the engine, the situation that the engine is frequently vibrated under the vibration action of the disassembly plate 21 to cause excessive friction between the bottom of the engine and the bottom wall in the limiting groove 2 to cause engine abrasion is prevented, the protection of the engine is improved, after the engine is placed in the limiting groove 2, the connecting rod cover connected between the piston connecting rod group and the engine crankshaft is taken down through a screwdriver, the big end of the piston connecting rod and the engine crankshaft are exposed, the driving motor is started, the output shaft of the driving motor drives the screw rod 14 to rotate, the screw rod 14 rotates to enable the connecting block 17 to do transverse motion on the screw rod 14, the connecting block 17 drives the first mounting plate 12 to move transversely through the third mounting plate 30 and the hydraulic cylinder 6 until the first dismounting plate 21 moves transversely to a proper position above the big end of the piston connecting rod, the hydraulic cylinder 6 is started, the piston rod of the hydraulic cylinder 6 pushes the transverse plate 7 to move downwards, the transverse plate 7 drives the first mounting plate 12 to move downwards through the second fixing plate 11 until the cleaning brush 23 at the bottom of the first mounting plate 12 contacts with the engine crankshaft and the big end of the piston connecting rod, at the moment, the dismounting plate 21 moves downwards to the right side of the big end of the piston connecting rod along with the first mounting plate 12, the dismounting plate 21 moves transversely to the left side again by using the driving motor until the left side of the dismounting plate 21 contacts with the right side of the big end of the piston connecting rod, at the moment, the arc-shaped groove wall at the bottom of the dismounting plate 21 is attached to the outer wall of the engine crankshaft, the universal ball universally mounted in the groove surface of the arc-shaped groove can roll on the engine crankshaft when the dismounting plate 21 vibrates, the method is characterized in that the bottom of the dismounting plate 21 is prevented from frequently colliding with an engine crankshaft to cause deformation and bending of the engine crankshaft, the vibration motor 27 is started, the vibration motor 27 drives the first mounting plate 12 to vibrate, the first mounting plate 12 drives the cleaning brush 23 to vibrate, the cleaning brush 23 cleans and removes greasy dirt accumulated at the joint of the large end of the piston connecting rod and the engine crankshaft, meanwhile, lubricating oil is guided into the lubricating oil filling pipe, the heating ring 25 fixedly sleeved on the outer wall of the lubricating oil filling pipe can heat the lubricating oil, the problem that the lubricating oil is difficult to be uniformly coated at the joint of the large end of the piston connecting rod and the engine crankshaft due to solidification is avoided, the large end of the piston connecting rod and the engine crankshaft can be expanded to a certain extent by utilizing the thermal expansion principle that the lubricating oil is heated to expand and contract due to thermal expansion of the large end of the piston connecting rod and the engine crankshaft, and the lubricating oil overflowed through the coating head 29 can be uniformly coated on the large end of the piston connecting rod and the engine crankshaft under the vibration action of bristles of the cleaning brush 23 The joint between the big end of the piston connecting rod and the engine crankshaft is lubricated for convenient disassembly, the dust collecting disc 28 can absorb the greasy dirt and dust cleaned by the cleaning brush 23 into the dust collecting bag in the dust collector 13 to prevent the greasy dirt from falling into the engine shell and absorb the high-temperature gas generated by the heated lubricating oil, thereby accelerating the air circulation to rapidly cool the lubricating oil, rapidly cooling the big end of the piston connecting rod and the engine crankshaft after heating, and utilizing the principle of thermal expansion and cold contraction to generate a gap at the joint, thereby solving the problem that the big end of the piston connecting rod and the engine crankshaft are stuck because of no rotation for a long time, loosening can be generated between the big end of the piston connecting rod and the engine crankshaft for convenient disassembly, and the left side surface of the disassembling plate 21 can be in vibration action of the vibration motor 27 when in contact with the right side surface of the big end of the piston connecting rod, the disassembling plate 21 can drive the big end of the piston connecting rod to generate frequent vibration, so that the joint between the big end of the piston connecting rod and the engine crankshaft is loosened and the piston clamped in the cylinder can be driven to vibrate, thereby generating a certain gap between the piston and the cylinder barrel to cause loosening, detaching the piston connecting rod group from the engine crankshaft and the cylinder barrel, avoiding the problem that the piston connecting rod group is difficult to control due to knocking force when a rubber hammer is used for knocking the piston connecting rod group, preventing the piston connecting rod group from deforming and damaging due to overlarge knocking force in the knocking process, improving the protection performance on the piston connecting rod group and the engine crankshaft, the disassembly efficiency of the piston connecting rod set is improved, the working strength of workers is reduced, at the moment, the large end of the piston connecting rod and the crankshaft of the engine are loosened, a certain gap is also generated between the piston clamped in the cylinder barrel and the inner wall of the cylinder barrel, and the piston connecting rod set can be disassembled from the engine and taken out to be repaired, replaced with accessories and the like.
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.
Claims (10)
1. The utility model provides an engine piston connecting rod group dismantles frock, includes bottom plate (1), a serial communication port, there is roof (5) bottom plate (1) top through two backup pad (4) rigid couplings, there is third mounting panel (30) one of them backup pad (4) side through sideslip mechanism rigid coupling, there is diaphragm (7) third mounting panel (30) bottom through the climbing mechanism rigid coupling, there is first mounting panel (12) diaphragm (7) bottom through two second fixed plate (11) rigid couplings, vibrating motor (27) are installed at first mounting panel (12) top, first mounting panel (12) bottom is provided with the lubricated subassembly of scrubbing, first mounting panel (12) side is provided with the dismantlement subassembly.
2. The engine piston connecting rod group dismounting tool is characterized in that the dismounting assembly comprises a first connecting plate (20) fixed to the side face of the first mounting plate (12), an adjusting bolt (19) is inserted into the first connecting plate (20), the bottom end of the adjusting bolt (19) is rotatably connected with a second connecting plate (24), a dismounting plate (21) is mounted at the bottom of the second connecting plate (24), rubber anti-slip layers are coated on two sides of the dismounting plate (21), an arc-shaped groove matched with an engine crankshaft is formed in the bottom of the dismounting plate (21), a plurality of universal balls are embedded in the groove face of the arc-shaped groove, and the universal balls are rotatably connected with the groove face of the arc-shaped groove.
3. The tool for disassembling the piston connecting rod group of the engine according to claim 2, wherein a through hole is formed in the first connecting plate (20), an internal thread sleeve is installed in the through hole, the adjusting bolt (19) is sleeved in the internal thread sleeve in a threaded manner, a second sliding rod (22) is fixed to the top of the second connecting plate (24), and the second sliding rod (22) penetrates through the first connecting plate (20) and is connected with a limiting disc.
4. The tool for disassembling the piston connecting rod group of the engine according to claim 1, wherein the traversing mechanism comprises a driving motor installed on the side surface of the supporting plate (4), an output shaft of the driving motor penetrates through one of the supporting plates (4) and is fixedly connected with a lead screw (14), a connecting block (17) is sleeved on the lead screw (14) in a threaded manner, a sliding block (16) is fixed to the top of the connecting block (17), a sliding groove (15) is formed in the bottom of the top plate (5), the sliding block (16) is installed in the sliding groove (15) in a sliding manner, and a third installing plate (30) is fixed to the bottom of the connecting block (17).
5. The tool for disassembling the piston connecting rod group of the engine according to claim 4, wherein a motor protective shell (18) is installed on the side surface of the supporting plate (4), the driving motor is located in the motor protective shell (18), a bearing seat is installed on one surface, close to the connecting block (17), of one supporting plate (4), a bearing is installed in the bearing seat, and the end of the screw rod (14) is installed on an inner ring of the bearing.
6. The frock is dismantled to engine piston rod group of claim 1, characterized in that, climbing mechanism is including installing pneumatic cylinder (6) in third mounting panel (30) bottom, the terminal rigid coupling of the piston rod of pneumatic cylinder (6) is at diaphragm (7) top, diaphragm (7) both sides all are fixed with first fixed plate (9), all install sliding sleeve (10) on two first fixed plates (9), third mounting panel (30) bottom is fixed with two first slide bars (8), two first slide bars (8) slip respectively and cup joint in two sliding sleeves (10).
7. The disassembly tool for the piston connecting rod group of the engine is characterized in that the dirt removing and lubricating component comprises a dust collector (13) arranged at the top of a first mounting plate (12), a dust collecting disc (28) and a smearing head (29) are arranged at the bottom of the first mounting plate (12), the dust collecting disc (28) is communicated with the dust collecting end of the dust collector (13), a conveying pipe is communicated with the smearing head (29), the conveying pipe penetrates through the first mounting plate (12) and is communicated with a lubricating oil filling pipe, a heating ring (25) is fixedly connected to the outer wall of the lubricating oil filling pipe, a cleaning brush (23) is arranged at the bottom of the first mounting plate (12), and bristles of the cleaning brush (23) cover the residual area of the bottom of the first mounting plate (12) for removing the dust collecting disc (28) and the smearing head (29).
8. The disassembly tool for the piston connecting rod group of the engine is characterized in that the smearing head (29) is positioned on the left side of the dust collection disc (28), and the smearing head (29) and the dust collection disc (28) are both positioned in the inner circle of bristles of the cleaning brush (23).
9. The tool for disassembling the piston connecting rod group of the engine according to claim 1, wherein two supporting plates (4) are fixed on the top of the bottom plate (1), the top plate (5) is fixed on the tops of the two supporting plates (4), a limiting groove (2) matched with the engine is formed in the bottom plate (1), a cushion pad is fixed in the limiting groove (2), two baffle plates (3) are fixed on the top of the bottom plate (1), and the two baffle plates (3) are located on two sides of the limiting groove (2).
10. The tool for disassembling the piston linkage of the engine according to claim 1, wherein two second fixing plates (11) are fixed at the bottom of the transverse plate (7), the first mounting plate (12) is fixed at the bottom of the two second fixing plates (11), the second mounting plate (26) is mounted at the top of the first mounting plate (12), and the vibration motor (27) is mounted at the top of the second mounting plate (26) through fastening bolts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111026965.4A CN113524121B (en) | 2021-09-02 | 2021-09-02 | Disassembling tool for engine piston connecting rod set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026965.4A CN113524121B (en) | 2021-09-02 | 2021-09-02 | Disassembling tool for engine piston connecting rod set |
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| CN113524121A true CN113524121A (en) | 2021-10-22 |
| CN113524121B CN113524121B (en) | 2022-03-22 |
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|---|---|
| CN113524121B (en) | 2022-03-22 |
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