CN113090634A - Diesel engine four-cylinder crankshaft capable of preventing shaking - Google Patents
Diesel engine four-cylinder crankshaft capable of preventing shaking Download PDFInfo
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- CN113090634A CN113090634A CN202110301565.3A CN202110301565A CN113090634A CN 113090634 A CN113090634 A CN 113090634A CN 202110301565 A CN202110301565 A CN 202110301565A CN 113090634 A CN113090634 A CN 113090634A
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- shake
- main force
- force shaft
- diesel engine
- crankshaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/10—Crankshafts assembled of several parts, e.g. by welding by crimping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
Abstract
The invention discloses a diesel engine four-cylinder crankshaft capable of preventing shaking, which belongs to the field of diesel engines, and comprises a crankshaft body, wherein the crankshaft body comprises a main force shaft, a plurality of eccentrically arranged connecting rod shafts are fixedly connected to the main force shaft, anti-shaking lubricating components and the crankshaft body are matched with each other through a half sleeve of the main force shaft, so that anti-shaking buffering arc strips can buffer the vibration generated in the transmission process of the crankshaft body, the anti-shaking lubricating components and the connecting rod shafts are arranged at intervals, under the conditions of long stroke and large cylinder diameter, the anti-shaking buffering arc strips effectively perform anti-shaking action on the crankshaft body, the transmission precision of the crankshaft body is improved, the generation of cylinder movement blockage is reduced, the working efficiency of the diesel engine is improved, the service life of the crankshaft body is effectively ensured, and steel ball surface contact is changed into electric contact through antifriction, so that the friction force is reduced, the energy conversion rate of the diesel engine is effectively improved, and the energy utilization rate is improved.
Description
Technical Field
The invention relates to the field of diesel engines, in particular to a four-cylinder crankshaft of a diesel engine for preventing shaking.
Background
Diesel engines are internal combustion engines fueled by diesel fuel. Diesel engines belong to the compression ignition type of engines, which are often also referred to as diesel engines under the name diesel, the main inventor. When the diesel engine works, air sucked into a cylinder of the diesel engine is compressed to a high degree due to the movement of a piston, and the high temperature of 500-700 ℃ is achieved. Then the fuel oil is sprayed into the high-temperature air in the form of fog, and mixed with the high-temperature air to form combustible mixed gas, and then the combustible mixed gas can be automatically ignited and combusted. The energy released during combustion acts on the top surface of the piston, pushing it and converting it into rotational mechanical work through the connecting rod and crankshaft.
The crankshaft is the most important component in diesel engines. It bears the force transmitted by the connecting rod and converts it into torque to be output by crankshaft and drive other accessories on diesel engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well.
In recent decades, diesel engine manufacturers continuously adopt technical improvement measures such as cylinder diameter expansion, stroke increase, intake air pressurization or pressurization intercooling and the like on the basis of original models in order to meet the requirements of users on power performance, economy and the like, so that the power performance of the diesel engine manufacturers is greatly improved. The four-cylinder crankshaft is a crankshaft for a diesel engine having four cylinders. The existing four-cylinder crankshaft is mainly in-line transmission, and the shaking of the four-cylinder crankshaft in the process of power transmission is also increased continuously due to the increase of stroke and cylinder diameter in the transmission process, so that the transmission precision of the four-cylinder crankshaft is reduced, the cylinder movement is easy to block, the working efficiency is reduced, and the service life of the four-cylinder crankshaft is influenced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a four-cylinder crankshaft of a diesel engine capable of preventing shaking, wherein the shaking-proof buffering arc strips can buffer the shaking generated by the crankshaft body in the transmission process by mutually matching the main shaft half sleeve, the shaking-proof lubricating components and the crankshaft body, the shaking-proof buffering arc strips are arranged at intervals with the connecting rod shaft, the shaking-proof buffering arc strips effectively perform the shaking-proof function on the crankshaft body under the conditions of long stroke and large cylinder diameter, the transmission precision of the crankshaft body is improved, the generation of cylinder movement blockage is reduced, the working efficiency of the diesel engine is improved, the service life of the crankshaft body is effectively ensured, the surface contact is changed into the electric contact through antifriction steel balls, the friction force is reduced, the energy conversion rate of the diesel engine is effectively improved, and the energy utilization rate is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a prevent diesel engine four-cylinder bent axle of shake, includes the bent axle body, the bent axle body is including the main shaft, the epaxial fixedly connected with a plurality of eccentric settings's of main shaft connecting rod axle, main shaft outer end cover is equipped with a plurality of main shaft half cover that set up in pairs, and a plurality of main shaft half cover that set up in pairs is the interval setting with the connecting rod axle respectively, a plurality of anti-shake lubricating component are installed to main shaft half cover inner wall, the anti-shake lubricating component outside is connected with a plurality of damaged response subassemblies that are the circular arc and distribute, anti-shake lubricating component is including anti-shake buffering arc strip, a plurality of connection arc holes have been seted up to main shaft half cover inner wall, the downthehole fixedly connected with anti-shake buffering arc strip of connection arc, anti-shake buffering arc strip inner rotates and is connected with a plurality of antifriction steel balls. Through making half cover of main power axle, anti-shake lubrication assembly and bent axle body mutually support, make anti-shake buffering arc strip can cushion the vibrations that the bent axle body produced at transmission process, a plurality of anti-shake lubrication assembly and connecting rod axle interval set up, under the condition of long stroke and big cylinder diameter, anti-shake buffering arc strip effectively carries out the anti-shake effect to the bent axle body, improve the transmission precision of bent axle body, reduce the production that the cylinder motion card went on, improve the work efficiency of diesel engine, effectively guarantee the life of bent axle body, and more change the face contact into the electrical contact through reducing the friction steel ball, reduce frictional force, effectively improve diesel engine energy conversion rate, the utilization ratio of energy is improved.
Furthermore, an oil storage cavity communicated with the connecting arc hole is formed in the main shaft half sleeve, oil through holes communicated with the oil storage cavity are formed in the front side and the rear side of the outer end of the main shaft half sleeve, and the damaged sensing assembly is located in the oil storage cavity. Lubricating oil is introduced into the oil storage cavity through the oil through hole, so that the anti-shaking lubricating assembly arranged in the connecting arc hole can be fully lubricated, the transmission abrasion is reduced, the kinetic energy transmission efficiency is improved, and the transmission efficiency of the diesel engine is further improved.
Furthermore, a plurality of lubricating ball grooves matched with the antifriction steel balls are formed in the inner end of the anti-shake buffering arc strip, a plurality of oil equalizing grooves communicated with the lubricating ball grooves are formed in the inner end of the anti-shake buffering arc strip, and oil immersion holes communicated with the oil storage cavity are formed in the inner wall of the oil equalizing grooves. The lubricating oil in the oil storage cavity is transferred to the oil equalizing groove through the oil equalizing groove and the lubricating ball groove, oil lubrication is carried out on the antifriction steel balls through the oil equalizing groove and the lubricating ball groove, friction force during transmission of the antifriction steel balls and the main force shaft is further reduced, heat generated by friction can be effectively dissipated, stress is reduced, and the service life of the crankshaft body is prolonged.
Furthermore, a plurality of main power shaft anti-shake grooves matched with the anti-shake buffer arc strips are formed in the outer end of the main power shaft, and the main power shaft anti-shake grooves are rotatably connected with the antifriction steel balls. Main power axle anti-shake groove and anti-shake buffering arc strip phase-match, anti-shake buffering arc strip carry on spacingly to the turned position of main power axle, reduce the shake rate that the long stroke produced, improve transmission precision to main power axle anti-shake groove and antifriction steel ball rotate to be connected, effectively reduce frictional force, reduce the loss of kinetic energy.
Furthermore, the main force shaft and the main force shaft half sleeve are in clearance fit, and the main force shaft anti-shaking groove and the anti-shaking buffer arc strip are in clearance fit. Adopt clearance fit not only the installation and the cooperation of the bent axle body of being convenient for, can also leave sufficient packing clearance for lubricating oil, can play good lubrication and radiating effect, reduce the kinetic energy loss, improve the transmission precision, reduce the loss of bent axle body, improve the life of bent axle body.
Further, damaged response subassembly connects the pole including the response, and two are adjacent fixedly connected with response connects the pole between the anti-shake buffering arc strip, the response connects pole outer end fixedly connected with forward balance response piece and reverse balance response piece, forward balance response piece and reverse balance response piece are close to one section equal fixedly connected with contact response sheetmetal each other. At the in-process that the bent axle body was used for a long time, if anti-shake buffering arc strip produces deformation because stress loss, make anti-shake buffering arc strip drive the response and connect the pole and produce deformation, make the one end of forward balance response piece and reverse balance response piece produce the contact, make contact response sheetmetal contact circular telegram, and to the control system transmission signal of fuel engine, remind the user of service, convenient to use personnel can in time change and maintain main power axle half cover, effectively avoid the bent axle body to transmit under the shake, reducing wear.
Further, a pair of adsorption rubber strips is fixedly connected between the forward balance induction block and the reverse balance induction block, and two connecting ends of the adsorption rubber strips are communicated with the corresponding contact type induction metal sheets through wires. At the incessant contact process in antifriction steel ball and main power shaft anti-shake groove, because the wearing and tearing that the continuous rotation of bent axle body produced, easily make and have impurity in the lubricating oil, adsorb the impurity that produces in the oil storage intracavity at the adsorption rubber strip, effectively reach the effect of purifying lubricating oil, improve the availability factor of lubricating oil, and after the impurity that adsorbs in the adsorption rubber strip outer end reaches the saturation, easily make the adsorption rubber strip have electric conductivity, make contact response sheetmetal between forward balanced response piece and the reverse balance response piece circular telegram when contactless, to the control system transmission signal of fuel engine, remind the user, in time change lubricating oil, reduce the fault rate of diesel engine, improve the life of diesel engine.
Furthermore, the left end of the main force shaft is fixedly connected with a transmission connecting shaft, the right end of the main force shaft is connected with a connecting disc, and the outer end of the connecting disc is connected with a power gear through a bolt.
Furthermore, a key groove is formed in the right end of the main force shaft, a connecting key is arranged in the key groove, and the main force shaft is fixedly connected with the connecting disc through the connecting key. The main shaft and the connecting key are connected through the connecting key, so that the mounting and dismounting are convenient, the mounting steps are simplified, and the maintenance efficiency is improved.
Further, the installation method of the crankshaft body comprises the following steps:
s1, pre-mounting a main force shaft half sleeve positioned on the lower side to a crankshaft mounting position of a shell of the fuel oil engine;
s2, mounting the crankshaft body into a shell of the oil-fired machine, enabling a main force shaft to correspond to a main force shaft half sleeve positioned on the lower side, and enabling an anti-shaking buffer arc strip to be clamped into an anti-shaking groove of the main force shaft;
s3, finally, installing the main force shaft half sleeve positioned on the upper side on the main force shaft, and enabling the anti-shake buffer arc strip to be clamped into the corresponding main force shaft anti-shake groove, so that the two main force shaft half sleeves on the upper side and the lower side are matched;
s4, connecting rods of the internal combustion engine are respectively connected with connecting rod shafts, and main force shaft half sleeves arranged in pairs are fixed;
and S5, completing the installation of the crankshaft body. Two half cover sets of main power axle become cylindrical anti-shake cover, make two sets of corresponding anti-shake lubricated subassemblies simultaneously act on the main power axle, effectively cushion the axial runout of main power axle, reduce the shake of bent axle body to be convenient for mutually support with internal-combustion engine casing, be convenient for install and use, reduce the production degree of difficulty, improve the productivity effect of diesel engine.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through making half cover of main power axle, anti-shake lubrication assembly and bent axle body mutually support, make anti-shake buffering arc strip can cushion the vibrations that the bent axle body produced at the transmission course, a plurality of anti-shake lubrication assembly and connecting rod axle interval set up, under the condition of long stroke and big cylinder diameter, anti-shake buffering arc strip effectively carries out the anti-shake effect to the bent axle body, improve the transmission precision of bent axle body, reduce the production that the cylinder motion card went up, improve the work efficiency of diesel engine, effectively guarantee the life of bent axle body, and more change the surface contact into the electrical contact through reducing the friction steel ball, reduce frictional force, effectively improve diesel engine energy conversion rate, the utilization ratio of energy is improved.
(2) Lubricating oil is introduced into the oil storage cavity through the oil through hole, so that the anti-shaking lubricating assembly arranged in the connecting arc hole can be fully lubricated, the transmission abrasion is reduced, the kinetic energy transmission efficiency is improved, and the transmission efficiency of the diesel engine is further improved.
(3) The lubricating oil in the oil storage cavity is transferred to the oil equalizing groove through the oil equalizing groove and the lubricating ball groove, oil lubrication is carried out on the antifriction steel balls through the oil equalizing groove and the lubricating ball groove, friction force during transmission of the antifriction steel balls and the main force shaft is further reduced, heat generated by friction can be effectively dissipated, stress is reduced, and the service life of the crankshaft body is prolonged.
(4) Main power axle anti-shake groove and anti-shake buffering arc strip phase-match, anti-shake buffering arc strip carry on spacingly to the turned position of main power axle, reduce the shake rate that the long stroke produced, improve transmission precision to main power axle anti-shake groove and antifriction steel ball rotate to be connected, effectively reduce frictional force, reduce the loss of kinetic energy.
(5) Adopt clearance fit not only the installation and the cooperation of the bent axle body of being convenient for, can also leave sufficient packing clearance for lubricating oil, can play good lubrication and radiating effect, reduce the kinetic energy loss, improve the transmission precision, reduce the loss of bent axle body, improve the life of bent axle body.
(6) At the in-process that the bent axle body was used for a long time, if anti-shake buffering arc strip produces deformation because stress loss, make anti-shake buffering arc strip drive the response and connect the pole and produce deformation, make the one end of forward balance response piece and reverse balance response piece produce the contact, make contact response sheetmetal contact circular telegram, and to the control system transmission signal of fuel engine, remind the user of service, convenient to use personnel can in time change and maintain main power axle half cover, effectively avoid the bent axle body to transmit under the shake, reducing wear.
(7) At the incessant contact process in antifriction steel ball and main power shaft anti-shake groove, because the wearing and tearing that the continuous rotation of bent axle body produced, easily make and have impurity in the lubricating oil, adsorb the impurity that produces in the oil storage intracavity at the adsorption rubber strip, effectively reach the effect of purifying lubricating oil, improve the availability factor of lubricating oil, and after the impurity that adsorbs in the adsorption rubber strip outer end reaches the saturation, easily make the adsorption rubber strip have electric conductivity, make contact response sheetmetal between forward balanced response piece and the reverse balance response piece circular telegram when contactless, to the control system transmission signal of fuel engine, remind the user, in time change lubricating oil, reduce the fault rate of diesel engine, improve the life of diesel engine.
(8) The main shaft and the connecting key are connected through the connecting key, so that the mounting and dismounting are convenient, the mounting steps are simplified, and the maintenance efficiency is improved.
(9) Two half cover sets of main power axle become cylindrical anti-shake cover, make two sets of corresponding anti-shake lubricated subassemblies simultaneously act on the main power axle, effectively cushion the axial runout of main power axle, reduce the shake of bent axle body to be convenient for mutually support with internal-combustion engine casing, be convenient for install and use, reduce the production degree of difficulty, improve the productivity effect of diesel engine.
Drawings
FIG. 1 is a schematic illustration of an explosive structure according to the present invention;
FIG. 2 is an exploded view of the anti-shake lubricating assembly of the present invention;
FIG. 3 is a schematic view of an axial structure of the present invention;
FIG. 4 is a schematic illustration of a crankshaft body axial measurement configuration of the present invention;
FIG. 5 is a schematic diagram of a matched axial structure of a main shaft half sleeve and an anti-shake lubricating assembly of the invention;
FIG. 6 is a schematic view of a single axial measurement structure of a half-sleeve main shaft of the present invention;
FIG. 7 is a schematic axial view of the anti-shake lubricating assembly according to the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a schematic view of a matched axial structure of the anti-shake lubricating assembly and the breakage sensing assembly according to the present invention;
FIG. 10 is a schematic axial view of a breakage sensing assembly according to the present invention;
fig. 11 is a schematic view of the flow structure of the installation method of the present invention.
The reference numbers in the figures illustrate:
1 crankshaft body, 101 transmission connecting axle, 102 main power axle, 103 connecting rod axles, 104 main power axle anti-shake groove, 2 power gear, 201 connection pad, 202 connection key, 3 main power axle half cover, 301 oil through hole, 302 oil storage chamber, 303 connection arc hole, 4 anti-shake lubricating component, 401 anti-shake buffering arc strip, 402 even oil groove, 403 lubricating ball groove, 404 antifriction steel ball, 5 damaged response subassemblies, 501 response connects the pole, 502 forward balance response piece, 503 reverse balance response piece, 504 adsorption rubber strip.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
please refer to fig. 1-10, a diesel engine four-cylinder crankshaft capable of preventing shaking, including crankshaft body 1, crankshaft body 1 includes main shaft 102, fixedly connected with a plurality of eccentrically arranged connecting rod shafts 103 on main shaft 102, main shaft 102 outer end cover is equipped with a plurality of main shaft half sleeves 3 that set up in pairs, and a plurality of main shaft half sleeves 3 that set up in pairs are the interval setting with connecting rod shaft 103 respectively, a plurality of anti-shake lubricating assemblies 4 are installed to main shaft half sleeve 3 inner wall, the anti-shake lubricating assembly 4 outside is connected with a plurality of damaged induction assembly 5 that are the circular arc and distribute, anti-shake lubricating assembly 4 is including anti-shake buffering arc strip 401, a plurality of connection arc holes 303 have been seted up to main shaft half sleeve 3 inner wall, fixedly connected with anti-shake buffering arc strip 401 in the connection arc hole 303, anti-shake buffering arc strip 401 rotates and is connected with a plurality of antifriction 404 steel balls. Through making half cover 3 of main power axle, anti-shake lubricating subassembly 4 and crankshaft body 1 mutually support, make anti-shake buffering arc strip 401 can cushion crankshaft body 1 at the vibrations that transmission process produced, a plurality of anti-shake lubricating subassembly 4 and connecting rod axle 103 interval set up, under the condition of long stroke and big cylinder diameter, anti-shake buffering arc strip 401 effectively carries out the anti-shake effect to crankshaft body 1, improve crankshaft body 1's transmission precision, reduce the production that the cylinder motion card went on, improve the work efficiency of diesel engine, effectively guarantee crankshaft body 1's life, and more change the electrical contact into with the face contact through antifriction steel ball 404, reduce frictional force, effectively improve the diesel engine energy conversion rate, the utilization ratio of energy is improved.
Referring to fig. 2-6, an oil storage cavity 302 communicated with the connecting arc hole 303 is formed in the main shaft half sleeve 3, oil through holes 301 communicated with the oil storage cavity 302 are formed in the front side and the rear side of the outer end of the main shaft half sleeve 3, and the damage sensing assembly 5 is located in the oil storage cavity 302. Lubricating oil is introduced into the oil storage cavity 302 through the oil through hole 301, so that the anti-shaking lubricating assembly 4 installed in the connecting arc hole 303 can be sufficiently lubricated, the transmission abrasion is reduced, the kinetic energy transmission efficiency is improved, and the transmission efficiency of the diesel engine is further improved.
Referring to fig. 5-8, the inner end of the anti-shake buffer arc 401 is provided with a plurality of lubricant ball grooves 403 matching with the antifriction balls 404, the inner end of the anti-shake buffer arc 401 is provided with a plurality of oil equalizing grooves 402 communicated with the lubricant ball grooves 403, and the inner wall of the oil equalizing grooves 402 is provided with oil immersion holes communicated with the oil storage cavity 302. The oil immersion hole transfers the lubricating oil in the oil storage cavity 302 to the oil equalizing groove 402, and the antifriction steel balls 404 are lubricated with the oil through the oil equalizing groove 402 and the lubricating ball groove 403, so that the friction force generated when the antifriction steel balls 404 and the main force shaft 102 are driven is further reduced, heat generated by friction can be effectively dissipated, the generation of stress is reduced, and the service life of the crankshaft body 1 is prolonged.
Referring to fig. 1-4, the outer end of the main shaft 102 is provided with a plurality of main shaft anti-shake grooves 104 matching with the anti-shake buffer arc strips 401, and the main shaft anti-shake grooves 104 are rotatably connected with the antifriction balls 404. Main power axle anti-shake groove 104 and anti-shake buffering arc strip 401 phase-match, anti-shake buffering arc strip 401 carries on spacingly to the turned position of main power axle 102, reduces the shake rate that the long stroke produced, improves the transmission precision to main power axle anti-shake groove 104 rotates with antifriction steel ball 404 to be connected, effectively reduces frictional force, reduces the loss of kinetic energy.
Referring to fig. 1-4, the main shaft 102 and the main shaft half-sleeve 3 are in clearance fit, and the main shaft anti-shake groove 104 and the anti-shake buffer arc strip 401 are in clearance fit. Adopt clearance fit not only the installation and the cooperation of the bent axle body 1 of being convenient for, can also leave sufficient packing clearance for lubricating oil, can play good lubrication and radiating effect, reduce the kinetic energy loss, improve transmission precision, reduce bent axle body 1's loss, improve bent axle body 1's life.
Referring to fig. 9, the damage sensing assembly 5 includes a sensing connection rod 501, the sensing connection rod 501 is fixedly connected between two adjacent anti-shake buffer arc strips 401, a forward balance sensing block 502 and a reverse balance sensing block 503 are fixedly connected to the outer end of the sensing connection rod 501, and a contact sensing metal sheet is fixedly connected to a section of the forward balance sensing block 502 and the reverse balance sensing block 503 close to each other. At the in-process that bent axle body 1 used for a long time, if anti-shake buffering arc strip 401 produces deformation because stress loss, make anti-shake buffering arc strip 401 drive the response and connect pole 501 to produce deformation, make the one end of forward balance response piece 502 and reverse balance response piece 503 produce the contact, make contact response sheetmetal contact circular telegram, and to the control system transmission signal of fuel engine, remind the user of service, the person of being convenient for can in time change and maintain main power axle half cover 3, effectively avoid bent axle body 1 transmission under the shake, reducing wear.
Referring to fig. 10, a pair of adhesive tapes 504 is fixedly connected between the forward balance sensing block 502 and the reverse balance sensing block 503, and two connection ends of the adhesive tapes 504 are both connected to the corresponding contact sensing metal sheets through wires. In the constantly contact process of antifriction steel ball 404 and main power shaft anti-shake groove 104, because the wearing and tearing that the continuous rotation of bent axle body 1 produced, easily make and have impurity in the lubricating oil, adsorb the impurity that produces in adsorbing adhesive tape 504 to the oil storage chamber 302, effectively reach the effect of purifying lubricating oil, improve the availability factor of lubricating oil, and after the impurity that adsorbs in adsorbing adhesive tape 504 outer end reaches the saturation, easily make adsorption adhesive tape 504 have electric conductivity, make the contact response sheetmetal between forward balance response piece 502 and the reverse balance response piece 503 circular telegram when contactless, control system transmission signal to the fuel engine, remind the user of service, in time change lubricating oil, reduce the fault rate of diesel engine, improve the life of diesel engine.
Referring to fig. 1 and 3, a transmission connecting shaft 101 is fixedly connected to the left end of the main force shaft 102, a connecting plate 201 is connected to the right end of the main force shaft 102, and the outer end of the connecting plate 201 is connected to the power gear 2 through a bolt.
Referring to fig. 1, a key groove is formed at the right end of the main force shaft 102, a connection key 202 is arranged in the key groove, and the main force shaft 102 is fixedly connected with the connection disc 201 through the connection key 202. The main force shaft 102 and the connecting key 202 are connected through the connecting key 202, so that the mounting and dismounting are convenient, the mounting steps are simplified, and the maintenance efficiency is improved.
The using method comprises the following steps: the main force shaft 102 is driven to rotate by the power gear 2, the connecting key 202 and the connecting disc 201, so that the main force shaft 102 drives the connecting rod shaft 103 and the transmission connecting shaft 101 to rotate, in the transmission process of the main force shaft 102, the main force shaft 102 close to one end of the transmission connecting shaft 101 vibrates greatly and is easy to shake due to the increase of stroke and cylinder diameter, when the main force shaft 102 shakes, the anti-shake buffer arc strips 401 are matched with the main force shaft anti-shake grooves 104 to limit the main force shaft 102, the anti-shake buffer arc strips 401 can effectively transmit vibration force to the lubricating oil in the oil storage cavity 302, so that the shake power is effectively relieved, the main force shaft 102 is further subjected to anti-shake action, the lubricating oil is flushed into the oil storage cavity 302 through the oil through holes 301, the outer side of the anti-shake buffer arc strips 401 is immersed into the lubricating oil to absorb the vibration force of the main force shaft 102, and the oil soaked holes on the oil equalizing grooves 402 lead out the lubricating oil in the oil storage cavity 302, and act on antifriction steel ball 404, make and pack the lubricated oil reservoir of one deck between antifriction steel ball 404 and the main power axle anti-shake groove 104, when reducing frictional force, effectively dispel the heat, can also play the cushioning effect, improve the transmission precision of bent axle body 1. Through making half cover 3 of main power axle, anti-shake lubricating subassembly 4 and crankshaft body 1 mutually support, make anti-shake buffering arc strip 401 can cushion crankshaft body 1 at the vibrations that transmission process produced, a plurality of anti-shake lubricating subassembly 4 and connecting rod axle 103 interval set up, under the condition of long stroke and big cylinder diameter, anti-shake buffering arc strip 401 effectively carries out the anti-shake effect to crankshaft body 1, improve crankshaft body 1's transmission precision, reduce the production that the cylinder motion card went on, improve the work efficiency of diesel engine, effectively guarantee crankshaft body 1's life, and more change the electrical contact into with the face contact through antifriction steel ball 404, reduce frictional force, effectively improve the diesel engine energy conversion rate, the utilization ratio of energy is improved.
In the long-time use of bent axle body 1, because the continuous shake of main power axle 102, make anti-shake buffering arc 401 poor deformation and harm, easily make anti-shake buffering arc 401 produce the distortion, anti-shake buffering arc 401 drives the response after producing deformation and connects pole 501 to produce deformation, make any one end of forward balance response piece 502 and reverse balance response piece 503 be close to each other, make the contact response sheetmetal of this tip contact each other, produce the circular telegram signal, and with signal transmission to the control system of diesel engine, send alarm data to the user, remind the user to change main power axle half cover 3 and anti-shake lubricating component 4, effectively avoid using continuously and cause the injury to bent axle body 1, improve bent axle body 1's life.
In the long-time use process of the crankshaft body 1, impurities are easily generated due to continuous friction between the main force shaft anti-shake groove 104 and the antifriction steel balls 404, so that the impurities in the lubricating oil are increased, the lubricating effect is reduced, the lubricating oil enters the oil storage cavity 302 through the oil immersion hole, the adsorption rubber strip 504 can adsorb the impurities entering the oil storage cavity 302, the lubricating oil in the oil storage cavity 302 is effectively purified, the service life of the lubricating oil is prolonged, after the adsorption rubber strip 504 is adsorbed and saturated, the adsorption rubber strip 504 forms a conductor due to excessive impurities, so that a contact type induction metal sheet between the forward balance induction block 502 and the reverse balance induction block 503 is connected when the contact type induction metal sheet is not in contact, a signal is transmitted to a control system of the diesel engine, alarm data is sent to a user, the user is reminded of replacing the lubricating oil in the main force shaft half sleeve 3, the maintenance of the diesel engine is convenient, and the failure rate, the service life of the diesel engine is prolonged.
Example 2:
referring to fig. 1 to 11, wherein the same or corresponding components as those in embodiment 1 are designated by the same reference numerals as those in embodiment 1, only the points different from embodiment 1 will be described below for the sake of convenience. This example 2 differs from example 1 in that: referring to fig. 11, the method of mounting the crankshaft body 1 includes the steps of:
s1, pre-installing a main force shaft half sleeve 3 on the lower side to a crankshaft installation position of a shell of the fuel oil engine;
s2, the crankshaft body 1 is installed in a shell of the oil-fired machine, the main force shaft 102 corresponds to the main force shaft half sleeve 3 on the lower side, and the anti-shake buffer arc strips 401 are clamped in the main force shaft anti-shake grooves 104;
s3, finally, mounting the main force shaft half sleeve 3 positioned on the upper side on the main force shaft 102, and enabling the anti-shake buffer arc strips 401 to be clamped into the corresponding main force shaft anti-shake grooves 104, so that the two main force shaft half sleeves 3 on the upper side and the lower side are matched;
s4, connecting rods of the internal combustion engine are respectively connected with the connecting rod shafts 103, and the main force shaft half sleeves 3 arranged in pairs are fixed;
and S5, completing the installation of the crankshaft body 1. Two half cover 3 of main power axle form cylindrical anti-shake cover, make two sets of corresponding anti-shake lubricating assembly 4 act on main power axle 102 simultaneously, effectively cushion the axial runout of main power axle 102, reduce the shake of bent axle body 1 to be convenient for mutually support with internal-combustion engine casing, be convenient for install and use, reduce the production degree of difficulty, improve the productivity effect of diesel engine.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a prevent diesel engine four-cylinder crankshaft of shake, includes crankshaft body (1), crankshaft body (1) is including main power axle (102), connecting rod axle (103) that fixedly connected with a plurality of eccentric settings on main power axle (102), its characterized in that: the outer end cover of main power axle (102) is equipped with a plurality of main power axle half cover (3) that set up in pairs, and a plurality of main power axle half cover (3) that set up in pairs are the interval setting with connecting rod axle (103) respectively, a plurality of anti-shake lubricated subassembly (4) are installed to main power axle half cover (3) inner wall, anti-shake lubricated subassembly (4) outside is connected with a plurality of damaged response subassemblies (5) that are the circular arc and distribute, anti-shake lubricated subassembly (4) are including anti-shake buffering arc strip (401), a plurality of connection arc holes (303) have been seted up to main power axle half cover (3) inner wall, fixedly connected with anti-shake buffering arc strip (401) in connection arc hole (303), anti-shake buffering arc strip (401) inner rotates and is connected with a plurality of antifriction steel balls (404).
2. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 1, wherein: an oil storage cavity (302) communicated with the connecting arc hole (303) is formed in the half main shaft sleeve (3), oil through holes (301) communicated with the oil storage cavity (302) are formed in the front side and the rear side of the outer end of the half main shaft sleeve (3), and the damaged induction assembly (5) is located in the oil storage cavity (302).
3. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 2, wherein: the anti-shake buffering arc strip (401) the inner have been seted up a plurality ofly with antifriction steel ball (404) assorted lubricated ball groove (403), anti-shake buffering arc strip (401) the inner have been seted up a plurality of oil equalizing groove (402) of putting through mutually with lubricated ball groove (403), oil soaking hole with oil storage chamber (302) switch-on is seted up to oil equalizing groove (402) inner wall.
4. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 1, wherein: the outer end of the main force shaft (102) is provided with a plurality of main force shaft anti-shaking grooves (104) matched with the anti-shaking buffer arc strips (401), and the main force shaft anti-shaking grooves (104) are rotatably connected with the antifriction steel balls (404).
5. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 4, wherein: the main force shaft (102) and the main force shaft half sleeve (3) are in clearance fit, and the main force shaft anti-shaking groove (104) and the anti-shaking buffer arc strip (401) are in clearance fit.
6. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 1, wherein: breakage response subassembly (5) are including the response connect pole (501), two adjacent fixedly connected with response connect pole (501) between anti-shake buffering arc strip (401), the response connects pole (501) outer end fixedly connected with forward balance response piece (502) and reverse balance response piece (503), forward balance response piece (502) and reverse balance response piece (503) are close to one section equal fixedly connected with contact response sheetmetal each other.
7. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 6, wherein: a pair of adsorption rubber strips (504) is fixedly connected between the forward balance induction block (502) and the reverse balance induction block (503), and two connecting ends of the adsorption rubber strips (504) are communicated with corresponding contact type induction metal sheets through wires.
8. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 1, wherein: the transmission connecting shaft (101) is fixedly connected to the left end of the main force shaft (102), the connecting disc (201) is connected to the right end of the main force shaft (102), and the outer end of the connecting disc (201) is connected with the power gear (2) through a bolt.
9. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 8, wherein: the right end of the main force shaft (102) is provided with a key groove, a connecting key (202) is arranged in the key groove, and the main force shaft (102) is fixedly connected with the connecting disc (201) through the connecting key (202).
10. A four-cylinder crankshaft of a diesel engine for preventing shudder as set forth in claim 1, wherein: the method for mounting the crankshaft body (1) comprises the following steps:
s1, pre-installing a main force shaft half sleeve (3) on the lower side to a crankshaft installation position of a shell of the oil-fired machine;
s2, mounting the crankshaft body (1) into a shell of the oil-fired machine, enabling the main force shaft (102) to correspond to the main force shaft half sleeve (3) on the lower side, and enabling the anti-shake buffer arc strip (401) to be clamped into the main force shaft anti-shake groove (104);
s3, finally, mounting the main force shaft half sleeve (3) positioned on the upper side onto the main force shaft (102), and enabling the anti-shake buffer arc strip (401) to be clamped into the corresponding main force shaft anti-shake groove (104) so as to enable the two main force shaft half sleeves (3) on the upper side and the lower side to be matched;
s4, connecting rods of the internal combustion engine are respectively connected with connecting rod shafts (103), and main force shaft half sleeves (3) arranged in pairs are fixed;
s5, the crankshaft body (1) is installed.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1244780A (en) * | 1982-06-28 | 1988-11-15 | Gar M. Adams | Lubrication scheme for pressure lubricated crankshaft with counterweight holes for crankshaft balance |
| JP2001304333A (en) * | 2000-04-25 | 2001-10-31 | Mitsubishi Heavy Ind Ltd | Longitudinal vibration damper for diesel engine |
| CN202810991U (en) * | 2012-09-17 | 2013-03-20 | 祥天控股（集团）有限公司 | Lubricating oil-way system of multi-cylinder aerodynamic engine |
| US20140053680A1 (en) * | 2012-08-24 | 2014-02-27 | Chrysler Group Llc | Pendulum absorber snubber |
| CN205173207U (en) * | 2015-12-07 | 2016-04-20 | 浙江金兰汽车零部件有限公司 | Crankshaft structure |
| CN105626672A (en) * | 2016-02-18 | 2016-06-01 | 成都佳美嘉科技有限公司 | Crankshaft |
| CN107060296A (en) * | 2017-06-13 | 2017-08-18 | 烟台绿林机械设备制造有限公司 | A kind of grey pulp grinder |
| CN207229573U (en) * | 2017-09-13 | 2018-04-13 | 玉环宝捷机械股份有限公司 | A kind of shockproof three-chip type bent axle |
| CN209908972U (en) * | 2019-03-19 | 2020-01-07 | 浙江昌隆石化设备有限公司 | Compressor crankshaft with good lubricating effect |
| CN211175051U (en) * | 2019-09-18 | 2020-08-04 | 广西玉柴机器股份有限公司 | Crankshaft thrust plate forced lubrication structure |
| CN212690578U (en) * | 2020-11-24 | 2021-03-12 | 潍坊天润曲轴有限公司 | Split type crankshaft connecting rod mechanism |
-
2021
- 2021-03-22 CN CN202110301565.3A patent/CN113090634B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1244780A (en) * | 1982-06-28 | 1988-11-15 | Gar M. Adams | Lubrication scheme for pressure lubricated crankshaft with counterweight holes for crankshaft balance |
| JP2001304333A (en) * | 2000-04-25 | 2001-10-31 | Mitsubishi Heavy Ind Ltd | Longitudinal vibration damper for diesel engine |
| US20140053680A1 (en) * | 2012-08-24 | 2014-02-27 | Chrysler Group Llc | Pendulum absorber snubber |
| CN202810991U (en) * | 2012-09-17 | 2013-03-20 | 祥天控股（集团）有限公司 | Lubricating oil-way system of multi-cylinder aerodynamic engine |
| CN205173207U (en) * | 2015-12-07 | 2016-04-20 | 浙江金兰汽车零部件有限公司 | Crankshaft structure |
| CN105626672A (en) * | 2016-02-18 | 2016-06-01 | 成都佳美嘉科技有限公司 | Crankshaft |
| CN107060296A (en) * | 2017-06-13 | 2017-08-18 | 烟台绿林机械设备制造有限公司 | A kind of grey pulp grinder |
| CN207229573U (en) * | 2017-09-13 | 2018-04-13 | 玉环宝捷机械股份有限公司 | A kind of shockproof three-chip type bent axle |
| CN209908972U (en) * | 2019-03-19 | 2020-01-07 | 浙江昌隆石化设备有限公司 | Compressor crankshaft with good lubricating effect |
| CN211175051U (en) * | 2019-09-18 | 2020-08-04 | 广西玉柴机器股份有限公司 | Crankshaft thrust plate forced lubrication structure |
| CN212690578U (en) * | 2020-11-24 | 2021-03-12 | 潍坊天润曲轴有限公司 | Split type crankshaft connecting rod mechanism |
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| CN113090634B (en) | 2021-12-03 |
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