CN105715366A - Method of balancing uneven stress on single side of crankshaft pulley of engine - Google Patents
Method of balancing uneven stress on single side of crankshaft pulley of engine Download PDFInfo
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- CN105715366A CN105715366A CN201610212215.9A CN201610212215A CN105715366A CN 105715366 A CN105715366 A CN 105715366A CN 201610212215 A CN201610212215 A CN 201610212215A CN 105715366 A CN105715366 A CN 105715366A
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- Prior art keywords
- compressor
- engine
- air conditioner
- support
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
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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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention discloses a method of balancing uneven stress on the single side of a crankshaft pulley of an engine and a device. A supporting mechanism is added between the engine and an air conditioning compressor; and the supporting force of the supporting mechanism is utilized to balance the tension of an air conditioning belt pulley to the crankshaft pulley with the supporting mechanism as a balancing device. According to the method and the device, addition of the supporting mechanism between the engine and the air conditioning compressor is to arrange the supporting mechanism beside a connecting belt between the crankshaft pulley of an engine body and the air conditioning belt pulley installed on a supporting seat of the air conditioning compressor, so that the crankshaft pulley of the engine body and the air conditioning belt pulley installed on the supporting seat of the air conditioning compressor are in a tightening state, and deformation of a suspension cushion of the engine caused by the condition of uneven stress on the single side of the crankshaft pulley of the engine and deformation of a bracket caused by uneven stress are lowered; and through respective connection of the rotatable balancing device formed by a supporting rod with the engine body and a bracket of the air conditioning compressor, the influence of up and down vibration of the engine on the air conditioning compressor can be effectively prevented.
Description
Technical field
The present invention relates to the balance method of a kind of passenger vehicle parts, be specifically related to the balance method of a kind of electromotor.This kind of engine balance method is used for the balanced engine crank pulley non-uniform phenomenon when unilateral stress, thus effectively avoiding the deformation of the engine suspension soft pad produced due to electromotor discontinuity, and the deformation of support (unbalance stress of support is caused), also can check the generation of the cooling system owing to electromotor generation displacement causes, air inlet system and exhaust system fault to a certain extent, belong to Bus Manufacturing Technology field.
Background technology:
Generally, the power of traditional air conditioner needs electromotor to input, input form is electromotor 101 drives the belt pulley 103(of compressor of air conditioner as shown in Figure 1 by the crank pulley 102 of its upper installation), crank pulley 103 is under the effect of belt 104, the pulling force on right side can be subject to, cause electromotor left and right discontinuity in running, thus causing the deformation (including the deformation of engine suspension soft pad 106) of engine-mounting bracket 107, the problems such as electromotor change in location on vehicle frame 105, even more serious may make cooling system, gas extraction system, gas handling system produces fault.It addition, electromotor left and right discontinuity in running, the vibration of electromotor, noise will certainly be caused excessive, thus causing car load NVH hydraulic performance decline.Never have good method for a long time this problem is solved, therefore necessary this is improved.
Do not find there be the patent literature constructed with the present invention by patent retrieval, have with the present invention patent of certain relation mainly to have following:
1, the patent No. is CN201220288273.7, name is called the utility model patent of " a kind of engine balancer ", which disclose a kind of engine balancer, including connecting the crank pulley of electromotor and connecting the fan pulley (or connecting the air-conditioning belt pulley of air-conditioning) of fan, between crank pulley with fan pulley (or air-conditioning belt pulley), belt is connected, also include idler, the relative fan pulley of idler (or air-conditioning belt pulley) is symmetrically mounted on the opposite side of crank pulley, it is connected by belt between idler with crank pulley, and described idler is equal with the tensile force that described fan pulley (or air-conditioning belt pulley) connects belt.In this utility model when electromotor unilateral transmission, the opposite side in crank pulley transmission is symmetrically installed belt and connects the idler of crank pulley, with the stress of balanced engine.In this utility model when electromotor unilateral transmission, the opposite side in crank pulley transmission is symmetrically installed belt and connects the idler of crank pulley, with the stress of balanced engine.But, this bascule needs increase by an idler and install the pedestal of belt pulley, and cost is high and is taken up space relatively larger.
2, the patent No. is CN201420775953.0, name is called the utility model patent of " a kind of engine balance mechanism for motorcycle ", which disclose a kind of engine balance mechanism for motorcycle, including the left crank of the bent axle being connected with left cover and the right crank of bent axle that is connected with right cover, it is arranged below the trunnion shaft that two ends are connected respectively with left cover and right cover at the left crank of described bent axle and the right crank of bent axle, the left crank of described bent axle is provided with balance driving gear, is provided with in one end that described trunnion shaft is connected with left cover and balances the balance driven gear that driving gear engages.
3, the patent No. is CN201310364474.X, name is called the patent of invention of " automatic tensioner for automobile belt ", which disclose a kind of automatic tensioner for automobile belt, including fixing axle, it is arranged on the overcoat outside fixing axle, being arranged on the torque spring in overcoat, described torque spring one end connects the fixing seat of balance, and the other end connects tensioner arm；Belt pulley is arranged on tensioner arm by fixing wheel shaft；Described fixing wheel shaft is the fastening of same bolt near one end of tensioner arm, and described bolt-center is provided with oil hole.Described bolt is the outer-hexagonal bolt that internal thread is fixing.Described fixing wheel shaft center can be provided with the oil input channel of same oil hole connection.Taper wear sleeve can be provided with between described fixing axle and overcoat.The outer-hexagonal bolt-center top fixing at described internal thread can be provided with prominent pump nozzle.Described belt pulley is connected by least two group bearings with fixing wheel shaft, is provided with bearing spacer pad between described bearing.Be provided with dust cap in one end of described bearing, the other end of described bearing is provided with oil baffle.This patent is also make dynamo belt stress balance by a regulating wheel as CN201220288273.7,
So although these patents above-mentioned are directed to the balance of electromotor, but the mode by regulating wheel that mostly is solves, all do not propose how to solve existing balanced controls volume big, structure is complicated, cost height and the relatively larger problem that taken up space, therefore all still there is foregoing deficiency, still need to be improved further.
Summary of the invention
Present invention aims to uneven when unilateral stress of available engine crank pulley, engine balancer is excessively complicated, bulky deficiency, a kind of novel engine balance method is proposed, this engine balance method is possible not only to the non-uniform phenomenon solving balanced engine crank pulley when unilateral stress, thus there being the deformation of engine suspension soft pad that can also effectively avoid producing due to electromotor discontinuity, and the deformation of timbering caused due to unbalance stress；Also the generation of the cooling system owing to electromotor generation displacement causes, air inlet system and exhaust system fault can be checked to a certain extent.
In order to reach this purpose, the method that the invention provides a kind of balanced engine crank pulley one side unbalance stress, supporting mechanism is increased between electromotor and compressor of air conditioner, and using supporting mechanism as bascule, utilize the support force balance air-conditioning belt pulley pulling force to crank pulley of supporting mechanism.
Further, the described supporting mechanism that increases between electromotor and compressor of air conditioner is to arrange supporting mechanism on the connection belt side of engine body crank pulley with the air-conditioning belt pulley being arranged on compressor of air conditioner bearing, the air-conditioning belt pulley making engine body crank pulley and be arranged on compressor of air conditioner bearing is in tensioner state, reduce the deformation of the engine suspension soft pad that the situation of engine crankshaft belt pulley one side unbalance stress causes, and the deformation of timbering caused due to unbalance stress.
Further, it is on engine body that the described connection belt side at engine body crank pulley with the air-conditioning belt pulley being arranged on compressor of air conditioner bearing arranges supporting mechanism, by crankshaft pulley axial position, one supporting mechanism strong point is set between upper and lower belt, again on compressor of air conditioner bearing, by arranging another strong point by air-conditioning Pulley shaft line position, supported by supporting mechanism between two strong points and connect engine body and compressor of air conditioner bearing.
Further, described supporting mechanism is a combination setting force bar, and two of combination setting force bar is connected on engine body and compressor of air conditioner bearing, and centre is support bar；Combination setting force bar is utilized to connect engine body and compressor of air conditioner bearing so that whole engine balancer is fixed on engine body and compressor of air conditioner bearing, forms one, and balances the air-conditioning belt pulley pulling force to crank pulley with this.
Further, the pulling force of crank pulley is arrange combination setting force bar by the two-wheeled axis link position of air-conditioning belt pulley and crank pulley by the described support force balance air-conditioning belt pulley utilizing supporting mechanism, the support force utilizing combination setting force bar offsets the part air-conditioning belt pulley pulling force to crank pulley, the deformation of engine suspension soft pad that the situation of engine crankshaft belt pulley one side unbalance stress causes is prevented with this, and the deformation of timbering caused due to unbalance stress.
Further, the support bar of described combination setting force bar is Adjustable bracing bar, by adjusting Adjustable bracing bar, make to be formed between engine body and compressor of air conditioner bearing to be in stretching state, when engine crankshaft belt pulley is when unilateral stress, thered is provided counterbalancing power by combination setting force bar, avoid electromotor discontinuity with this and the deformation of engine suspension soft pad that produces, and the situation of the deformation of timbering caused due to unbalance stress occurs.
Further, described support bar is the threaded fork of left-right rotary that two ends have the screwed hole of different rotation direction, by the length of the whole engine balancer of depth adjustment that the threaded fork of left-right rotary screws in, to ensure that electromotor connects support and compressor of air conditioner erection support and forms fixing being rigidly connected with support bar；Described strut one end connects dextrorotation attaching nut, plays locking right-handed thread and connects fork effect；In like manner, the described strut other end connects left hand thread and connects fork and left-handed attaching nut；Described left-handed attaching nut has been the effect that locking left hand thread connects fork.
Further, it is be bolted an electromotor on engine body to connect support that described utilization combination setting force bar connects engine body, and electromotor connects support and belongs to engine body and be rigidly connected；Described electromotor is connected support and is connected with support bar by bolt；Support bar is connected with air condition compressor bracket assembly again；In motor process, electromotor connects support and can connect, around electromotor, the connecting bolt rotation that support is connected with support bar, it is thus possible to effectively avoid because of the impact on compressor of air conditioner of the electromotor up-down vibration.
Further, it is be provided with compressor of air conditioner erection support on air condition compressor bracket that described utilization combination setting force bar connects compressor of air conditioner bearing, and compressor of air conditioner erection support and air condition compressor bracket are for being rigidly connected；Air condition compressor bracket assembly is rigidly connected on compressor of air conditioner erection support by bolt, the one end being made combination setting force bar by compressor of air conditioner erection support is fixed on compressor of air conditioner bearing, and combination setting force bar can rotate around combination setting force bar and compressor of air conditioner bearing connecting bolt, so can effectively avoid the vibration of the compressor of air conditioner caused due to engine luggine.
Further, described compressor of air conditioner erection support is an adjustable seats, an arcuate groove is had at compressor of air conditioner erection support, arcuate groove is fastenedly connected on air condition compressor bracket by screw, unclamp screw and adjust strut assembly and compressor of air conditioner erection support connection angle, lock-screw after adjustment.
It is an advantage of the current invention that:
The present invention is by a rotating bascule being made up of support bar assembly, respectively with engine body and air condition compressor bracket, prevents the impact on compressor of air conditioner of the electromotor up-down vibration with this, has following Some features:
(1) this engine balancer includes support bar, threaded fork device and connects carriage assembly composition, and simple in construction, shared space is smaller, and cost is low；
(2) engine balancer has length variability, not by the impact of the error caused by manufacture, assembling etc.；
(3) when electromotor is static, by strut, the support force of engine body and air-conditioner compressor mounting bracket balanced the air-conditioning belt pulley pulling force to crank pulley；
(4) when engine movements, electromotor connect support can around support with threaded fork place connecting bolt rotation, flexibly connect it is thus possible to will be rigidly connected to be converted into, effectively avoid compressor of air conditioner moving up and down with engine luggine；
(5) this engine balancer can effectively avoid electromotor left and right discontinuity in running to cause vibration, noise excessive, thus improving car load NVH performance to a certain extent.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of available engine bascule；
Fig. 2 is an embodiment of the present invention structural representation.
The explanation of each main parts size in figure:
1 electromotor connects support；2 right-handed threads connect fork；3 dextrorotation attaching nuts；4 support bars；5 left-handed attaching nuts；6 left hand threads connect fork；7 compressors of air conditioner connect carriage assembly；8 engine bodies；9 bolts；10 link bolts；11 air condition compressor bracket link bolts；12 fastening bolts；13 compressor of air conditioner erection supports；14 air-conditioning belt pulley seats.
Detailed description of the invention
The present invention is expanded on further below in conjunction with the drawings and specific embodiments.
Embodiment one
Be can be seen that by accompanying drawing 2, the method that the present invention relates to a kind of balanced engine crank pulley one side unbalance stress, supporting mechanism is increased between electromotor and compressor of air conditioner, and using supporting mechanism as bascule, utilize the support force balance air-conditioning belt pulley pulling force to crank pulley of supporting mechanism.
Specifically, described is be connected an electromotor by bolt 9 on engine body 8 to connect support 1 increasing supporting mechanism between electromotor with compressor of air conditioner, this electromotor connects the structure of support 1, and this electromotor connects support 1 and belongs to engine body 8 and be rigidly connected；Described electromotor connects support 8 and is connected fork 2 with right-handed thread by link bolt 10 and connects, and in motor process, electromotor connection support 8 can rotate around link bolt 10 herein, it is thus possible to effectively avoid because of the impact on compressor of air conditioner of the electromotor up-down vibration；Right-handed thread connects fork 2 and is connected with left-right rotary hexagonal steel strut 4 again, and is locked by dextrorotation attaching nut 3；Described left-right rotary hexagonal steel strut 4 is the hexagonal rod member that two ends have different rotation direction screwed hole, is threaded connection the length of the whole engine balancer of depth adjustment that fork screws in；In like manner, left-right rotary hexagonal steel strut 4 other end connects left hand thread and connects fork 6, and by left-handed attaching nut 5 locking positioning；Described left-handed attaching nut 5 has been the effect that locking left hand thread connects fork 6；Described left hand thread is connected fork 6 and is connected by air condition compressor bracket link bolt 11 with air condition compressor bracket assembly, and left hand thread connects fork and 6 can rotate around air condition compressor bracket link bolt 11, so can effectively avoid the vibration of the compressor of air conditioner caused due to engine luggine；Described air condition compressor bracket assembly 7 is to be rigidly connected on compressor of air conditioner erection support 13 by fastening bolt 12, and compressor of air conditioner erection support 13 is rigidly connected with air-conditioning belt pulley seat 14.Therefore, whole engine balancer is fixed on engine body and compressor of air conditioner bearing, the deformation of the engine suspension soft pad produced due to electromotor discontinuity is avoided by supporting mechanism, and the deformation of timbering caused due to unbalance stress, and simple and compact for structure.
Embodiment two
Embodiment two is essentially identical with embodiment one structure, a kind of method of balanced engine crank pulley one side unbalance stress, supporting mechanism is increased between electromotor and compressor of air conditioner, and using supporting mechanism as bascule, utilize the support force balance air-conditioning belt pulley pulling force to crank pulley of supporting mechanism.The installation site of simply described supporting mechanism is different, supporting mechanism is provided on the line of engine crankshaft belt pulley and two axis of compressor of air conditioner belt pulley, so can more efficiently play a supporting role, and the supporting construction distance adopted is the shortest.
Specifically, described is on engine body increasing supporting mechanism between electromotor and compressor of air conditioner, it is positioned on the line of engine crankshaft belt pulley and two axis of compressor of air conditioner belt pulley and a platform is set, platform installs an electromotor by bolt and connects support, this electromotor connects the structure of support, and this electromotor connects support and engine body and belongs to and be rigidly connected；Described electromotor connects support and is connected fork with right-handed thread by bolt and connects, in motor process electromotor connection support can around connecting bolt rotation herein, it is thus possible to effectively avoid because of the impact on compressor of air conditioner of the electromotor up-down vibration；Right-handed thread connects fork and is connected with left-right rotary hexagonal steel strut again, and is locked by dextrorotation attaching nut；Described left-right rotary hexagonal steel strut is the screwed hole that two ends have different rotation direction, is threaded connection the length of the whole engine balancer of depth adjustment that fork screws in；In like manner, on air condition compressor bracket, it is positioned on the line of engine crankshaft belt pulley and two axis of compressor of air conditioner belt pulley and a platform is set, platform arranges a platform, installing compressor of air conditioner erection support by bolt on platform, compressor of air conditioner erection support is connected fork with left hand thread by bolt and left-handed attaching nut connects；Described left-handed attaching nut has been the effect that locking left hand thread connects fork；Described left hand thread connects fork and is bolted with air condition compressor bracket assembly, and left hand thread connects fork and can rotate around connecting bolt, so can effectively avoid the vibration of the compressor of air conditioner caused due to engine luggine；Owing to described air condition compressor bracket assembly is to be rigidly connected on compressor of air conditioner erection support by bolt, and compressor of air conditioner erection support is rigidly connected with air-conditioning belt pulley.Therefore, whole engine balancer is fixed on engine body and compressor of air conditioner bearing, the deformation of the engine suspension soft pad produced due to electromotor discontinuity is avoided by supporting mechanism, and the deformation of timbering caused due to unbalance stress, and simple and compact for structure.
Embodiment three
Embodiment three is essentially identical with embodiment one or two structure, a kind of method of balanced engine crank pulley one side unbalance stress, supporting mechanism is increased between electromotor and compressor of air conditioner, and using supporting mechanism as bascule, utilize the support force balance air-conditioning belt pulley pulling force to crank pulley of supporting mechanism.
The described supporting mechanism that increases between electromotor and compressor of air conditioner is to arrange supporting mechanism on the connection belt side of engine body crank pulley with the air-conditioning belt pulley being arranged on compressor of air conditioner bearing, the air-conditioning belt pulley making engine body crank pulley and be arranged on compressor of air conditioner bearing is in tensioner state, reduce the deformation of the engine suspension soft pad that the situation of engine crankshaft belt pulley one side unbalance stress causes, and the deformation of timbering caused due to unbalance stress.
It is on engine body that the described connection belt side at engine body crank pulley with the air-conditioning belt pulley being arranged on compressor of air conditioner bearing arranges supporting mechanism, by crankshaft pulley axial position, one supporting mechanism strong point is set between upper and lower belt, again on compressor of air conditioner bearing, by arranging another strong point by air-conditioning Pulley shaft line position, supported by supporting mechanism between two strong points and connect engine body and compressor of air conditioner bearing.
Described supporting mechanism is a combination setting force bar, and two of combination setting force bar is connected on engine body and compressor of air conditioner bearing, and centre is support bar；Combination setting force bar is utilized to connect engine body and compressor of air conditioner bearing so that whole engine balancer is fixed on engine body and compressor of air conditioner bearing, forms one, and balances the air-conditioning belt pulley pulling force to crank pulley with this.
The pulling force of crank pulley is arrange combination setting force bar by the two-wheeled axis link position of air-conditioning belt pulley and crank pulley by the described support force balance air-conditioning belt pulley utilizing supporting mechanism, the support force utilizing combination setting force bar offsets the part air-conditioning belt pulley pulling force to crank pulley, the deformation of engine suspension soft pad that the situation of engine crankshaft belt pulley one side unbalance stress causes is prevented with this, and the deformation of timbering caused due to unbalance stress.
The support bar of described combination setting force bar is Adjustable bracing bar, by adjusting Adjustable bracing bar, make to be formed between engine body and compressor of air conditioner bearing to be in stretching state, when engine crankshaft belt pulley is when unilateral stress, counterbalancing power is provided by combination setting force bar, the deformation of the engine suspension soft pad avoiding electromotor discontinuity with this and produce, and the situation of the deformation of timbering caused due to unbalance stress occurs.
Described support bar is the threaded fork of left-right rotary that two ends have the screwed hole of different rotation direction, by the length of the whole engine balancer of depth adjustment that the threaded fork of left-right rotary screws in, to ensure that electromotor connects support and compressor of air conditioner erection support and forms fixing being rigidly connected with support bar；Described strut one end connects dextrorotation attaching nut, plays locking right-handed thread and connects fork effect；In like manner, the described strut other end connects left hand thread and connects fork and left-handed attaching nut；Described left-handed attaching nut has been the effect that locking left hand thread connects fork.
It is be bolted an electromotor on engine body to connect support that described utilization combination setting force bar connects engine body, and electromotor connects support and belongs to engine body and be rigidly connected；Described electromotor is connected support and is connected with support bar by bolt；Support bar is connected with air condition compressor bracket assembly again；In motor process, electromotor connects support and can connect, around electromotor, the connecting bolt rotation that support is connected with support bar, it is thus possible to effectively avoid because of the impact on compressor of air conditioner of the electromotor up-down vibration.
It is be provided with compressor of air conditioner erection support on air condition compressor bracket that described utilization combination setting force bar connects compressor of air conditioner bearing, and compressor of air conditioner erection support and air condition compressor bracket are for being rigidly connected；Air condition compressor bracket assembly is rigidly connected on compressor of air conditioner erection support by bolt, the one end being made combination setting force bar by compressor of air conditioner erection support is fixed on compressor of air conditioner bearing, and combination setting force bar can rotate around combination setting force bar and compressor of air conditioner bearing connecting bolt, so can effectively avoid the vibration of the compressor of air conditioner caused due to engine luggine.
Described compressor of air conditioner erection support is an adjustable seats, an arcuate groove is had at compressor of air conditioner erection support, arcuate groove is fastenedly connected on air condition compressor bracket by screw, unclamps screw and adjusts strut assembly and compressor of air conditioner erection support connection angle, lock-screw after adjustment.
Above-mentioned listed embodiment, simply carries out clear, complete description in conjunction with accompanying drawing to technical scheme；Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Be can be seen that by above-described embodiment, the invention still further relates to the balance method of a kind of electromotor, increasing the engine balancer of a combination setting force bar structure between electromotor and compressor of air conditioner, the support force produced by the engine balancer of combinative structure balances the air-conditioning belt pulley pulling force to crank pulley.
Further, described engine balancer is a strut assembly, strut assembly is utilized to connect engine body and compressor of air conditioner bearing, whole engine balancer is made to be fixed on engine body and compressor of air conditioner bearing, form one, and balance the air-conditioning belt pulley pulling force to crank pulley with this.
Further, described utilizing strut assembly to connect engine body and compressor of air conditioner bearing is to be bolted an electromotor on engine body to connect support, electromotor connects support and belongs to engine body and be rigidly connected；Described electromotor is connected support and is connected with support bar by bolt；Support bar is connected with air condition compressor bracket assembly again；In motor process, electromotor connects support and can connect, around electromotor, the connecting bolt rotation that support is connected with support bar, it is thus possible to effectively avoid because of the impact on compressor of air conditioner of the electromotor up-down vibration.
Further, described support bar is the threaded fork of left-right rotary that two ends have the screwed hole of different rotation direction, by the length of the whole engine balancer of depth adjustment that the threaded fork of left-right rotary screws in, to ensure that electromotor connects support and compressor of air conditioner erection support and forms fixing being rigidly connected with support bar；Described strut one end connects dextrorotation attaching nut, plays locking right-handed thread and connects fork effect；In like manner, the described strut other end connects left hand thread and connects fork and left-handed attaching nut；Described left-handed attaching nut has been the effect that locking left hand thread connects fork.
Further, the threaded fork of described left-right rotary and air condition compressor bracket assembly are bolted, and the threaded fork of left-right rotary can rotate around connecting bolt, so can effectively avoid the vibration of the compressor of air conditioner caused due to engine luggine.
Further, described air condition compressor bracket assembly is to be rigidly connected on compressor of air conditioner erection support by bolt, and compressor of air conditioner erection support is rigidly connected with air-conditioning belt pulley；Engine balancer is made to be fixed on compressor of air conditioner bearing by compressor of air conditioner erection support.
It is an advantage of the current invention that:
The present invention is by a rotating bascule being made up of support bar assembly, respectively with engine body and air condition compressor bracket, prevents the impact on compressor of air conditioner of the electromotor up-down vibration with this, has following Some features:
(1) this engine balancer includes support bar, threaded fork device and connects carriage assembly composition, and simple in construction, shared space is smaller, and cost is low；
(2) engine balancer has length variability, not by the impact of the error caused by manufacture, assembling etc.；
(3) when electromotor is static, by strut, the support force of engine body and air-conditioner compressor mounting bracket balanced the air-conditioning belt pulley pulling force to crank pulley；
(4) when engine movements, electromotor connect support can around support with threaded fork place connecting bolt rotation, flexibly connect it is thus possible to will be rigidly connected to be converted into, effectively avoid compressor of air conditioner moving up and down with engine luggine；
(5) this engine balancer can effectively avoid electromotor left and right discontinuity in running to cause vibration, noise excessive, thus improving car load NVH performance to a certain extent.
Claims (10)
1. the method for a balanced engine crank pulley one side unbalance stress, it is characterized in that, between electromotor and compressor of air conditioner, increase supporting mechanism, and using supporting mechanism as bascule, utilize the support force balance air-conditioning belt pulley pulling force to crank pulley of supporting mechanism.
2. the method for balanced engine crank pulley one side as claimed in claim 1 unbalance stress, it is characterized in that, the described supporting mechanism that increases between electromotor and compressor of air conditioner is to arrange supporting mechanism on the connection belt side of engine body crank pulley with the air-conditioning belt pulley being arranged on compressor of air conditioner bearing, the air-conditioning belt pulley making engine body crank pulley and be arranged on compressor of air conditioner bearing is in tensioner state, the deformation of the engine suspension soft pad that the situation of reduction engine crankshaft belt pulley one side unbalance stress causes, and the deformation of timbering caused due to unbalance stress.
3. the method for balanced engine crank pulley one side as claimed in claim 2 unbalance stress, it is characterized in that, it is on engine body that the described connection belt side at engine body crank pulley with the air-conditioning belt pulley being arranged on compressor of air conditioner bearing arranges supporting mechanism, by crankshaft pulley axial position, one supporting mechanism strong point is set between upper and lower belt, again on compressor of air conditioner bearing, by arranging another strong point by air-conditioning Pulley shaft line position, supported by supporting mechanism between two strong points and connect engine body and compressor of air conditioner bearing.
4. the method for balanced engine crank pulley one side as claimed in claim 3 unbalance stress, it is characterized in that, described supporting mechanism is a combination setting force bar, and two of combination setting force bar is connected on engine body and compressor of air conditioner bearing, and centre is support bar；Combination setting force bar is utilized to connect engine body and compressor of air conditioner bearing so that whole engine balancer is fixed on engine body and compressor of air conditioner bearing, forms one, and balances the air-conditioning belt pulley pulling force to crank pulley with this.
5. the method for balanced engine crank pulley one side as claimed in claim 1 unbalance stress, it is characterized in that, the pulling force of crank pulley is arrange combination setting force bar by the two-wheeled axis link position of air-conditioning belt pulley and crank pulley by the described support force balance air-conditioning belt pulley utilizing supporting mechanism, the support force utilizing combination setting force bar offsets the part air-conditioning belt pulley pulling force to crank pulley, the deformation of engine suspension soft pad that the situation of engine crankshaft belt pulley one side unbalance stress causes is prevented with this, and the deformation of timbering caused due to unbalance stress.
6. the method for balanced engine crank pulley one side as claimed in claim 4 unbalance stress, it is characterized in that, the support bar of described combination setting force bar is Adjustable bracing bar, by adjusting Adjustable bracing bar, make to be formed between engine body and compressor of air conditioner bearing to be in stretching state, when engine crankshaft belt pulley is when unilateral stress, counterbalancing power is provided by combination setting force bar, the deformation of the engine suspension soft pad avoiding electromotor discontinuity with this and produce, and the situation of the deformation of timbering caused due to unbalance stress occurs.
7. the method for balanced engine crank pulley one side as claimed in claim 6 unbalance stress, it is characterized in that, described support bar is the threaded fork of left-right rotary that two ends have the screwed hole of different rotation direction, by the length of the whole engine balancer of depth adjustment that the threaded fork of left-right rotary screws in, to ensure that electromotor connects support and compressor of air conditioner erection support and forms fixing being rigidly connected with support bar；Described strut one end connects dextrorotation attaching nut, plays locking right-handed thread and connects fork effect；In like manner, the described strut other end connects left hand thread and connects fork and left-handed attaching nut；Described left-handed attaching nut has been the effect that locking left hand thread connects fork.
8. the method for balanced engine crank pulley one side as claimed in claim 4 unbalance stress, it is characterized in that, it is be bolted an electromotor on engine body to connect support that described utilization combination setting force bar connects engine body, and electromotor connects support and belongs to engine body and be rigidly connected；Described electromotor is connected support and is connected with support bar by bolt；Support bar is connected with air condition compressor bracket assembly again；In motor process, electromotor connects support and can connect, around electromotor, the connecting bolt rotation that support is connected with support bar, it is thus possible to effectively avoid because of the impact on compressor of air conditioner of the electromotor up-down vibration.
9. the method for balanced engine crank pulley one side as claimed in claim 8 unbalance stress, it is characterized in that, it is be provided with compressor of air conditioner erection support on air condition compressor bracket that described utilization combination setting force bar connects compressor of air conditioner bearing, and compressor of air conditioner erection support and air condition compressor bracket are for being rigidly connected；Air condition compressor bracket assembly is rigidly connected on compressor of air conditioner erection support by bolt, the one end being made combination setting force bar by compressor of air conditioner erection support is fixed on compressor of air conditioner bearing, and combination setting force bar can rotate around combination setting force bar and compressor of air conditioner bearing connecting bolt, so can effectively avoid the vibration of the compressor of air conditioner caused due to engine luggine.
10. the method for balanced engine crank pulley one side as claimed in claim 1 unbalance stress, it is characterized in that, described compressor of air conditioner erection support is an adjustable seats, an arcuate groove is had at compressor of air conditioner erection support, arcuate groove is fastenedly connected on air condition compressor bracket by screw, unclamp screw and adjust strut assembly and compressor of air conditioner erection support connection angle, lock-screw after adjustment.
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| CN201610212215.9A CN105715366B (en) | 2016-04-07 | 2016-04-07 | A kind of method of balanced engine crank pulley unilateral side unbalance stress |
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| CN201610212215.9A CN105715366B (en) | 2016-04-07 | 2016-04-07 | A kind of method of balanced engine crank pulley unilateral side unbalance stress |
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| CN105715366B CN105715366B (en) | 2019-01-22 |
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Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhongche Times Electric Vehicle Co., Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: Hunan CSR Times Electric Co., Ltd. |
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