CN107642413A - Idle pulley mounting assembly - Google Patents
Idle pulley mounting assembly Download PDFInfo
- Publication number
- CN107642413A CN107642413A CN201711038699.0A CN201711038699A CN107642413A CN 107642413 A CN107642413 A CN 107642413A CN 201711038699 A CN201711038699 A CN 201711038699A CN 107642413 A CN107642413 A CN 107642413A
- Authority
- CN
- China
- Prior art keywords
- idle pulley
- engine
- mounting assembly
- idler support
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 claims abstract description 37
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 21
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000006025 fining agent Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 241001597008 Nomeidae Species 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 8
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 7
- -1 n-propyl thiocarbamide Chemical compound 0.000 claims description 7
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 6
- 239000001630 malic acid Substances 0.000 claims description 6
- 235000011090 malic acid Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical class [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 claims description 5
- KREOCUNMMFZOOS-UHFFFAOYSA-N 1,3-di(propan-2-yl)thiourea Chemical compound CC(C)NC(S)=NC(C)C KREOCUNMMFZOOS-UHFFFAOYSA-N 0.000 claims description 3
- FLVIGYVXZHLUHP-UHFFFAOYSA-N N,N'-diethylthiourea Chemical compound CCNC(=S)NCC FLVIGYVXZHLUHP-UHFFFAOYSA-N 0.000 claims description 3
- KQJQICVXLJTWQD-UHFFFAOYSA-N N-Methylthiourea Chemical group CNC(N)=S KQJQICVXLJTWQD-UHFFFAOYSA-N 0.000 claims description 3
- FULZLIGZKMKICU-UHFFFAOYSA-N N-phenylthiourea Chemical compound NC(=S)NC1=CC=CC=C1 FULZLIGZKMKICU-UHFFFAOYSA-N 0.000 claims description 3
- MNOILHPDHOHILI-UHFFFAOYSA-N Tetramethylthiourea Chemical compound CN(C)C(=S)N(C)C MNOILHPDHOHILI-UHFFFAOYSA-N 0.000 claims description 3
- TVHXOOPQRUBIAH-UHFFFAOYSA-N dimethylcarbamoylsulfamic acid Chemical compound CN(C(NS(=O)(=O)O)=O)C TVHXOOPQRUBIAH-UHFFFAOYSA-N 0.000 claims description 3
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical class [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 claims description 3
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 3
- GMEHFXXZSWDEDB-UHFFFAOYSA-N N-ethylthiourea Chemical compound CCNC(N)=S GMEHFXXZSWDEDB-UHFFFAOYSA-N 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 238000007747 plating Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 229940074404 sodium succinate Drugs 0.000 description 3
- 235000005979 Citrus limon Nutrition 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- HTKFORQRBXIQHD-UHFFFAOYSA-N allylthiourea Chemical compound NC(=S)NCC=C HTKFORQRBXIQHD-UHFFFAOYSA-N 0.000 description 2
- 229960001748 allylthiourea Drugs 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BTORTLCNMFGCNG-UHFFFAOYSA-N C1(=CC=CC=C1)NC(=S)N.[Cl] Chemical compound C1(=CC=CC=C1)NC(=S)N.[Cl] BTORTLCNMFGCNG-UHFFFAOYSA-N 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 241000551547 Dione <red algae> Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- SFLMFSCQCVVAMW-UHFFFAOYSA-N NC(=O)N.C(C)[S] Chemical compound NC(=O)N.C(C)[S] SFLMFSCQCVVAMW-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- XWNOTOKFKBDMAP-UHFFFAOYSA-N [Bi].[N+](=O)(O)[O-] Chemical compound [Bi].[N+](=O)(O)[O-] XWNOTOKFKBDMAP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Abstract
The invention discloses a kind of idle pulley mounting assembly, including for installing the idler support of idle pulley and suspension bracket for installing engine mounting, the left end of the idler support is provided with the engine fixed bit I for being used for being fixed on engine cylinder-body, and the right-hand member of the idler support is provided with the bracket fixed bit for being used for being fixed on suspension bracket；The idle pulley mounting assembly of the present invention, one end of idler support is securable to engine cylinder-body, the other end and is then fixed on suspension bracket by bracket fixed bit, its both ends is respectively provided with the strong point during work, so as to change the cantilever beam structure of conventional idler support, so that idler support is stabilized support, so as to reduce vibrations force value, effectively prevent idler support to be broken, improve engine reliability of operation.
Description
Technical field
The present invention relates to a kind of engine components, more particularly to a kind of idle pulley mounting assembly.
Background technology
Idle pulley refers to the gear for playing transmission among two travelling gears not contacted with each other, while with the two teeth
Wheel engagement, for changing the rotation direction of driven gear, is allowed to identical with driving gear；Its effect, which simply changes, to be turned to not
Gearratio can be changed；Engine idle pulley is the one of which of its front end wheel train；Engine idle pulley is to be arranged on by idler support
On engine cylinder-body, restricted by installing space, idler support in cantilever beam structure (i.e. one end is provided with engine mount point, and
The other end is hanging because being not provided with engine mount point) so that easily there is situation about being broken in idler support in operating mode is shaken, drop
Low engine reliability of operation.
It is therefore desirable to a kind of idle pulley mounting assembly, change the cantilever beam structure of idler support so that idler support is able to
Stable support, so as to reduce vibrations force value, prevents from being broken, and improves engine reliability of operation.
The content of the invention
In view of this, it is an object of the invention to provide a kind of idle pulley mounting assembly, the cantilever beam knot of idler support is changed
Structure so that idler support is stabilized support, so as to reduce vibrations force value, prevents from being broken, and improves engine reliability of operation.
The idle pulley mounting assembly of the present invention, including for installing the idler support of idle pulley and for installing engine mounting
Suspension bracket, the left end of the idler support are provided with the engine fixed bit I for being used for being fixed on engine cylinder-body, the idle pulley branch
The right-hand member of frame is provided with the bracket fixed bit for being used for being fixed on suspension bracket.
Further, the bracket fixed bit is bracket fixation hole configurations, and the suspension bracket is provided with and bracket fixed bit
Corresponding screw, fastening bolt pass through bracket fixed bit and screw that idler support is fixed on into suspension bracket, the engine
Fixed bit I is engine fixation hole configurations.
Further, the suspension bracket includes substrate and is shaped in the boss of substrate, and the substrate, which is provided with, to be used for
The engine fixed bit II of engine cylinder-body is fixed on, the boss side forms the installation for coordinating with engine mounting
Face.
Further, the mounting surface is perpendicular to the substrate.
Further, the thickness of the boss is gradually reduced from the connection end with substrate to top.
Further, formed on the mounting surface for carrying out spacing step surface to suspension.
Further, the thickness proportion scope of the thickness of the boss and substrate is 4:1-5:1.
Further, the surface of the idler support and suspension bracket is provided with layers of copper using electroplate liquid by electroplating processes,
Copper layer thickness is 0.04mm~0.11mm.
Further, the electroplate liquid includes fining agent and rapid-result agent；The fining agent includes 6 parts of thiocarbamides and is modified by weight
Derivative and 3 parts of bismuth nitrates；Described thiocarbamide modification derivant is methylthiourea, dimethyl sulfourea, tetramethyl thiourea, ethyl sulphur
Urea, diethyl thiourea, n-propyl thiocarbamide, di-isopropyl thiourea, allylthiourea, phenylthiourea, tolylthiourea and chlorphenyl
In thiocarbamide, thioacetamide, N- benzoyl-Ns ,-p-methylphenyl thiocarbamide and N- benzoyl-Ns ,-p-hydroxybenzene thiocarbamide
One or more of compositions mixtures；The rapid-result agent includes 7 parts of polyethylene glycol, 13 parts of malic acid and 25 parts of fourths by weight
Diacid sodium.
Further, the electroplate liquid also includes copper sulphate, glycolylurea and citric acid；Wherein, each component matching somebody with somebody such as by concentration
Under：Copper sulphate 45g/L, glycolylurea 125g/L, citric acid 25g/L, fining agent 10g/L, rapid-result agent 45g/L.
Beneficial effects of the present invention：
The idle pulley mounting assembly of the present invention, one end of idler support is securable to engine cylinder-body, the other end and then passes through support
Frame fixed bit is fixed on suspension bracket, and its both ends is respectively provided with the strong point during work, so as to change the cantilever of conventional idler support
Girder construction so that idler support is stabilized support, so as to reduce vibrations force value, effectively prevents idler support to be broken,
Improve engine reliability of operation.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the front view of the present invention；
Fig. 2 is the right view of the present invention.
Embodiment
Fig. 1 is the front view of the present invention, and Fig. 2 is the right view of the present invention, as shown in the figure：The idle pulley installation group of the present embodiment
Part, including for installing the idler support 1 of idle pulley and suspension bracket 2 for installing engine mounting, the idler support 1
Left end is provided with the engine fixed bit I 3 for being used for being fixed on engine cylinder-body, and the right-hand member of the idler support 1, which is provided with, to be used to fix
In the bracket fixed bit 4 of suspension bracket 2；Left end, right-hand member are defined by direction shown in Fig. 1；The engine fixed bit I 3 is to start
Machine fixation hole configurations；One end of idler support 1 is securable to engine cylinder-body, the other end and is then fixed on by bracket fixed bit 4
Suspension bracket 2, its both ends is respectively provided with the strong point during work, so as to change the cantilever beam structure of conventional idler support 1 so that lazy
Wheel support 1 is stabilized support, so as to reduce vibrations force value, effectively prevents idler support 1 to be broken, improves engine
Reliability of operation.
In the present embodiment, the bracket fixed bit 4 is bracket fixation hole configurations, and the suspension bracket 2 is provided with and bracket
Screw (not shown) corresponding to fixed bit 4, fastening bolt 5 pass through bracket fixed bit 4 and screw to fix idler support 1
In suspension bracket 2；The bridging mounting structure of idler support 1 and suspension bracket 2 is formed by screw connection manner, connected mode is simple,
It is easily installed and dismantles.
In the present embodiment, the suspension bracket 2 includes substrate 21 and is shaped in the boss 22 of substrate 21, the substrate
21 are provided with and are used to being fixed on the engine fixed bit II 7 of engine cylinder-body, and the side of boss 22, which is formed, to be used for and engine
Suspend the mounting surface coordinated；The shape of boss 22 can guarantee reliably to install and start depending on the installation requirement of suspension
Machine suspends；The mounting surface is perpendicular to the substrate 21；Mounting surface is provided with the hole 22a for being used for installing suspension, and suspension bracket 2 is pacified
After engine, the end face keeping parallelism of substrate 21 and formal chain guard, now mounting surface can perpendicular to the end face of timing chain cover,
And set upward, mounting surface can use machining to be formed, can be with the company of engine mounting component to ensure its flatness
The part of fishplate bar is reliably bonded and is connected with each other；The engine fixed bit II 7 is engine fixation hole configurations.
In the present embodiment, the thickness of the boss 22 is gradually reduced from the connection end with substrate 21 to top；This suspension is held in the palm
After frame 2 is arranged on engine, boss 22 will form cantilever beam structure, to ensure that and can reduces suspension to the intensity of boss 223 simultaneously
The deadweight of bracket 2, the thickness of boss 22, which is designed as being gradually reduced from the connection end with substrate 21 to top, can make boss 22
Form equi intensity cantilever structure.
In the present embodiment, formed on the mounting surface for carrying out spacing step surface 8 to suspension；The connection of mounting assembly
After plate is bonded with mounting surface, its side can be withstood on step surface 8, in addition, the extension path of the limiting stand terrace on suspension bracket 2
For arc, the side coordinated on the connecting plate of mounting assembly with it should also be arranged to cambered surface, and this structure can be to mounting assembly
Connecting plate slide in a plurality of directions carry out it is spacing.
In the present embodiment, the thickness of the boss 22 is 4 with the thickness proportion scope of substrate 21:1-5:1；, due to boss
22 at work by by larger Moment, and therefore, its thickness should be greater than the thickness of substrate 21, while will the two thickness
The ratio of degree is controlled 4:1-5:1 both ensure that the intensity of whole suspension bracket 2, reduce the deadweight of whole suspension bracket 2 again.
In the present embodiment, the surface of the idler support 1 and suspension bracket 2 is provided with using electroplate liquid by electroplating processes
Layers of copper, copper layer thickness are 0.04mm~0.11mm；Idler support 1 and suspension bracket 2 are made of Steel material；Electroplating processes are
Existing process, it will not be repeated here；Layers of copper sets up the process for having delayed idler support 1 and the surface oxidation of suspension bracket 2, reduces
Chance caused by crackle, simultaneously because the heat-conductive characteristic that copper-base is good, the concentrations of high-temperature area can be avoided；At copper facing
Reason also increases the toughness on its surface while 2 hardness of idler support 1 and suspension bracket is ensured, it can be ensured that idler support 1 and hangs
Ability to bear of the bracket 2 under high loaded process is put, improves the stability of its performance.
In the present embodiment, the electroplate liquid includes fining agent and rapid-result agent；The fining agent includes 6 parts of thiocarbamides by weight
Modification derivant and 3 parts of bismuth nitrates；Described thiocarbamide modification derivant is methylthiourea, dimethyl sulfourea, tetramethyl thiourea, second
Base thiocarbamide, diethyl thiourea, n-propyl thiocarbamide, di-isopropyl thiourea, allylthiourea, phenylthiourea, tolylthiourea and chlorine
Phenylthiourea, thioacetamide, N- benzoyl-Ns ,-p-methylphenyl thiocarbamide and N- benzoyl-Ns ,-p-hydroxybenzene sulphur
The mixture of one or more of compositions in urea；The rapid-result agent includes 7 parts of polyethylene glycol, 13 parts of malic acid and 25 by weight
Part sodium succinate；Fining agent is made by thiocarbamide modification derivant and bismuth nitrate, wherein, thiocarbamide modification derivant is inhaled due to its selection
Attached property, the current potential on interface can be changed in electroplating process, raise cathode overpotential, due to cathodic polarization effect enhancing,
The formation of nucleus is beneficial to, is readily available the coating of fine grain, so as to which careful close electrodeposited coating be made, while adds nitric acid
Bismuth can effectively suppress the electro-deposition at cathode surface microscopic protrusions, be advantageous to the homogeneous and gloss effect of coating, substantially increase
The flatness and brightness of coating；The proportion relation of thiocarbamide modification derivant and bismuth nitrate can finally influence fining agent in electroplate liquid
In play a role, therefore, it is necessary to strictly control the proportioning of the two, so as to which the fining agent of superior performance is made, finally preferably change
Kind quality of coating；The fining agent leveling of the present embodiment is made good use of, it is possible to reduce plating piece surface roughness, it is ensured that it is smooth careful to be formed
Electrodeposited coating；The fining agent is especially suitable for being added to improvement coating shape in electroplate liquid, improves plating quality.Preparing fining agent can
By the following method：Using deionized water dissolving thiocarbamide modification derivant and bismuth nitrate, the fining agent that clarification is made is stirred.
Rapid-result agent is made by polyethylene glycol, malic acid, sodium succinate, can be on plating piece surface in the case where three acts synergistically
Adsorbed film is formed, wherein, the oxygen atom of the ehter bond in the hydroxyl and main chain of polyethylene glycol head and the tail, hydroxyl and carbonyl in malic acid
In oxygen atom, the oxygen atom in carbonyl and hydroxyl in sodium succinate be very easy to hydrone in hydrogen atom formed surely
Fixed hydrogen bond, the probability of hydrogen precipitation side reaction occurs so as to reduce negative electrode in electroplating process, and then greatly increase plating
Current efficiency, dispersibility and the covering power of liquid；Meanwhile the reduction of hydrogen-separating quantity, porosity can also be reduced, coating is reduced and goes out
The probability of existing hydrogen embrittlement, can also avoid the formation of loose sponge deposit, be especially suitable for being added to improvement coating shape in electroplate liquid,
Improve plating quality.Preparing rapid-result agent can be by the following method：Use deionized water dissolving polyethylene glycol, malic acid and succinic acid
Sodium, stir the rapid-result agent that clarification is made.
In the present embodiment, the electroplate liquid also includes copper sulphate, glycolylurea and citric acid；Wherein, each component matching somebody with somebody by concentration
Than as follows：Copper sulphate 45g/L, glycolylurea 125g/L, citric acid 25g/L, fining agent 10g/L, rapid-result agent 45g/L；Glycolylurea is imidazoles
Alkane diones (molecular formula C3H4N2O)；The reasonably combined each component of electroplate liquid of the present embodiment, it is ensured that each component in electroplate liquid all
It can cooperate with and play a positive role, solve existing electroless plating liquid and go out that ray velocity is slow, and brightness is low, plating solution current efficiency is not high,
The not high technical problem of coating flexibility；Electroplate liquid made from the proportioning provided by the present embodiment is highly stable, is easily controlled,
The current efficiency of electroplate liquid is high, and dispersibility and covering power are good；And electroplate liquid current efficiency is significantly larger than cyaniding plating solution；Plating
Layer uniform and delicate, flexibility are good；And electroplate liquid is without cyanogen formula, eliminates the danger of the potential personal safety accident of cyanide,
Substantially reduce the pollution to environment.Following methods can be used by preparing electroplate liquid：Use deionized water dissolving copper sulphate, glycolylurea and lemon
Lemon acid, after stirring to clarify, add thereto made from fining agent and obtained rapid-result agent and be well mixed, then using go from
Sub- water constant volume can be prepared by the electroplate liquid.By experiment, the current efficiency of the electroplate liquid can reach 83%；Crystal grain refinement
Size reaches 30nm.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
1. a kind of idle pulley mounting assembly, including for installing the idler support of idle pulley and suspension support for installing engine mounting
Frame, the left end of the idler support are provided with the engine fixed bit I for being used for being fixed on engine cylinder-body, it is characterised in that：It is described
The right-hand member of idler support is provided with the bracket fixed bit for being used for being fixed on suspension bracket.
2. idle pulley mounting assembly according to claim 1, it is characterised in that：The bracket fixed bit is bracket fixing hole knot
Structure, the suspension bracket are provided with screw corresponding with bracket fixed bit, and fastening bolt passes through bracket fixed bit and screw to incite somebody to action
Idler support is fixed on suspension bracket；The engine fixed bit I is engine fixation hole configurations.
3. idle pulley mounting assembly according to claim 2, it is characterised in that：The suspension bracket include substrate and one into
Type is provided with the engine fixed bit II for being used for being fixed on engine cylinder-body, the boss one in the boss of substrate, the substrate
Side forms the mounting surface for coordinating with engine mounting.
4. idle pulley mounting assembly according to claim 3, it is characterised in that：The mounting surface is perpendicular to the substrate.
5. idle pulley mounting assembly according to claim 4, it is characterised in that：The thickness of the boss is from the connection with substrate
Hold to top and be gradually reduced.
6. idle pulley mounting assembly according to claim 5, it is characterised in that：Formed on the mounting surface for suspend into
The spacing step surface of row.
7. idle pulley mounting assembly according to claim 6, it is characterised in that：The thickness of the boss and the thickness ratio of substrate
Example scope is 4:1-5:1.
8. idle pulley mounting assembly according to claim 7, it is characterised in that：The surface of the idler support and suspension bracket
Layers of copper is provided with by electroplating processes using electroplate liquid, copper layer thickness is 0.04mm~0.11mm.
9. idle pulley mounting assembly according to claim 8, it is characterised in that：The electroplate liquid includes fining agent and short-term training
Agent；The fining agent includes 6 parts of thiocarbamide modification derivants and 3 parts of bismuth nitrates by weight；Described thiocarbamide modification derivant is
Methylthiourea, dimethyl sulfourea, tetramethyl thiourea, ethyl thiourea, diethyl thiourea, n-propyl thiocarbamide, di-isopropyl thiourea, alkene
Propyl group thiocarbamide, phenylthiourea, tolylthiourea and chlorphenyl thiocarbamide, thioacetamide, N- benzoyl-Ns ,-p-methylphenyl
The mixture of one or more of compositions in thiocarbamide and N- benzoyl-Ns ,-p-hydroxybenzene thiocarbamide；The rapid-result agent is by weight
Part includes 7 parts of polyethylene glycol, 13 parts of malic acid and 25 parts of sodium succinates.
10. idle pulley mounting assembly according to claim 8, it is characterised in that：The electroplate liquid also includes copper sulphate, glycolylurea
And citric acid；Wherein, each component is as follows by the proportioning of concentration：Copper sulphate 45g/L, glycolylurea 125g/L, citric acid 25g/L, refinement
Agent 10g/L, rapid-result agent 45g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038699.0A CN107642413A (en) | 2017-10-30 | 2017-10-30 | Idle pulley mounting assembly |
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| CN201711038699.0A CN107642413A (en) | 2017-10-30 | 2017-10-30 | Idle pulley mounting assembly |
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| CN107642413A true CN107642413A (en) | 2018-01-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829296A (en) * | 2020-06-24 | 2021-12-24 | 上海汽车集团股份有限公司 | Idle gear assembly tool, idle gear assembly method and engine |
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| US5245960A (en) * | 1992-07-22 | 1993-09-21 | Outboard Marine Corporation | Integral bracket and idler assembly |
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| CN201346982Y (en) * | 2008-12-11 | 2009-11-18 | 奇瑞汽车股份有限公司 | Engine suspending bracket |
| CN201982175U (en) * | 2010-12-31 | 2011-09-21 | 广州汽车集团股份有限公司 | Integrated accessory bracket for automobile engine |
| CN204402662U (en) * | 2015-01-28 | 2015-06-17 | 安徽江淮汽车股份有限公司 | The accessory mount of motor and motor |
| CN106740036A (en) * | 2016-12-26 | 2017-05-31 | 重庆小康工业集团股份有限公司 | Suspension bracket with generator installation position |
| CN206458539U (en) * | 2016-12-20 | 2017-09-01 | 中国第一汽车股份有限公司 | A kind of Diesel engine front end wheel train sectional shelf-unit |
| CN207315526U (en) * | 2017-10-30 | 2018-05-04 | 重庆小康工业集团股份有限公司 | Engine idle pulley installation assembly |
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| US5245960A (en) * | 1992-07-22 | 1993-09-21 | Outboard Marine Corporation | Integral bracket and idler assembly |
| CN200955647Y (en) * | 2006-09-05 | 2007-10-03 | 沈阳华晨金杯汽车有限公司 | Novel integrated accessory support for engine |
| CN201346982Y (en) * | 2008-12-11 | 2009-11-18 | 奇瑞汽车股份有限公司 | Engine suspending bracket |
| CN201982175U (en) * | 2010-12-31 | 2011-09-21 | 广州汽车集团股份有限公司 | Integrated accessory bracket for automobile engine |
| CN204402662U (en) * | 2015-01-28 | 2015-06-17 | 安徽江淮汽车股份有限公司 | The accessory mount of motor and motor |
| CN206458539U (en) * | 2016-12-20 | 2017-09-01 | 中国第一汽车股份有限公司 | A kind of Diesel engine front end wheel train sectional shelf-unit |
| CN106740036A (en) * | 2016-12-26 | 2017-05-31 | 重庆小康工业集团股份有限公司 | Suspension bracket with generator installation position |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113829296A (en) * | 2020-06-24 | 2021-12-24 | 上海汽车集团股份有限公司 | Idle gear assembly tool, idle gear assembly method and engine |
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