CN103394893B - Belt pulley press-loading apparatus and pressing method - Google Patents
Belt pulley press-loading apparatus and pressing method Download PDFInfo
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- CN103394893B CN103394893B CN201310276302.7A CN201310276302A CN103394893B CN 103394893 B CN103394893 B CN 103394893B CN 201310276302 A CN201310276302 A CN 201310276302A CN 103394893 B CN103394893 B CN 103394893B
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Abstract
The invention discloses a kind of belt pulley press-loading apparatus and pressing method, this device comprises screw rod, piston rod, platen and telescopic drive parts; Piston rod is sleeve-shaped, is set on screw rod and also can moves on screw rod under the effect of telescopic drive parts; Platen is fixed on piston rod one end; Screw rod two ends all outwards overhang out outside piston rod, screw rod is provided with the external screw thread for matching with silk hole on the Crankshaft end surface installing belt pulley near one end of platen, telescopic drive parts have stiff end and telescopic end, stiff end is fixed on screw rod one end away from platen, and telescopic end is fixing on the piston rod or on platen.In installation process, only need handle telescopic drive parts to stretch and can complete the assembling of belt pulley, telescopic drive parts can adopt hydraulic jack, cylinder or other mechanical-stretching mechanisms, less to the vibration effect of the miscellaneous part generation that engine has assembled, and relatively manual impact greatly reduces labour intensity, improves efficiency of assembling.
Description
Technical field
The present invention relates to a kind of engine assembly technology, particularly a kind of belt pulley press-loading apparatus and pressing method.
Background technology
In engine assembly process, as shown in Figure 1, assembly technology requires that the miner diameter end spindle nose a1 of the bent axle a of belt pulley b and engine is interference fit, need to adopt assembly tool that belt pulley b is installed on miner diameter end spindle nose a1, there is no special assembly tool assembling at present, general employing iron hammer and beat frock and belt pulley is squeezed on bent axle miner diameter end spindle nose, first belt pulley b is contained in advance when beaing on the miner diameter end spindle nose a1 of bent axle, hand-heldly beat frock, frock one end will be beaten and be close to belt pulley b, the other end of frock is manually beaten with iron hammer impact, impact is until squeeze on the miner diameter end spindle nose a1 of bent axle by belt pulley b repeatedly, because hammer is artificial with fixing all employings of beaing frock, easily fatigue is produced when impacting, also there is the potential safety hazard getting to hand, simultaneously due to vibration can be produced to other parts of engine in hammer process, have influence on the assembly quality of engine thus, there is the large and defect that production efficiency is low of labour intensity in existing assembling mode.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, provides a kind of belt pulley press-loading apparatus and pressing method, reduces hand labor intensity, enhances productivity.
For achieving the above object, the invention provides a kind of belt pulley press-loading apparatus, this device comprises screw rod, piston rod, platen and telescopic drive parts; Described piston rod is sleeve-shaped, is set on described screw rod and also can moves on described screw rod under the effect of described telescopic drive parts; Described platen is fixed on described piston rod one end; Described screw rod two ends all outwards overhang out outside described piston rod, described screw rod is provided with the external screw thread for matching with silk hole on the Crankshaft end surface installing belt pulley near one end of described platen, described telescopic drive parts have stiff end and telescopic end, described stiff end is conflicted in described screw rod one end away from described platen, and described telescopic end is fixed on described piston rod or on described platen.Screw rod is provided with in the silk hole of externally threaded one end precession Crankshaft end surface, platen end face is close to belt pulley end face to be assembled, handle telescopic drive parts to extend, telescopic end drive piston rod and platen are mobile on screw rod to be expressed on bent axle spindle nose by belt pulley, in installation process, only need handle telescopic drive parts to stretch and can complete the assembling of belt pulley, telescopic drive parts can adopt hydraulic jack, cylinder or other mechanical-stretching mechanisms, less to the vibration effect of the miscellaneous part generation that engine has assembled, and relatively manual impact greatly reduces labour intensity, improve efficiency of assembling.
In technique scheme, described telescopic drive parts are at least one hydraulic jack or at least one cylinder.According to a hydraulic jack or cylinder, can hydraulic jack or cylinder jacket be located on piston rod; According to plural hydraulic jack or cylinder, hydraulic jack or cylinder can be arranged around piston rod.Hydraulic jack or cylinder interior medium keep synchronous, to ensure plural hydraulic jack synchronization telescope, specifically can adopt hydraulic jack or the cylinder of series connection, adopt such scheme structure simple, convenient operation.
In technique scheme, described telescopic drive parts are hydraulic jack, this hydraulic jack comprises cylinder body and to be arranged in described cylinder body and can the piston of movement in cylinder body, cylinder interior is divided into two oil pockets by described piston, cylinder body have two interfaces, each described interface is all communicated with a described oil pocket, described cylinder body and piston are all set on described piston rod, and described piston is fixedly connected with piston rod, be provided with the first seal between described cylinder body and piston rod, described cylinder body is fixedly connected with screw rod.Oil pocket oil-feed on the right side of cylinder body, promotes piston and moves, and drives platen to compress belt pulley; Oil pocket oil-feed on the left of cylinder body, promotes piston mobile in the other direction, drives piston rod and platen return.
In technique scheme, between described piston and cylinder body and between described piston and described piston rod, be equipped with the second seal.Ensure the sealing of hydraulic oil in cylinder body.
In technique scheme, this device also comprises the spacer be sheathed on piston rod and the rotating disk be fixed on described screw rod, and described spacer one end is fixedly connected with described cylinder body, and the other end is conflicted on rotating disk.Spacer, for adjusting the installation site of cylinder body, is convenient to the displacement adjusting piston.Rotating disk can manually or adopt pneumatic impact wrench rotary screw to be connected with the silk hole of Crankshaft end surface.
In technique scheme, described screw rod is provided with first shaft shoulder, is provided with first step in the through hole of described piston rod; Described screw rod, piston rod, first shaft shoulder and first step surround an annulus jointly, are provided with spring in this annulus, and described spring one end is fixedly connected with described first shaft shoulder, and the other end is fixedly connected with described first step.Piston driving platen compresses the process of belt pulley, and spring is in confined state, and screw rod self-return stretches out piston rod, in silk hole screw rod being provided with externally threaded one end precession Crankshaft end surface of convenient next time.
In technique scheme, described platen with between piston rod, described piston with between piston rod and described rotating disk be threaded with being between screw rod; Described platen, piston and rotating disk are all locked by locking nut.Adopt between screw rod with rotating disk and be threaded, the position of locking nut locking rotating disk and screw rod, thus the distance between lock nut front end and platen, to adapt to press-fiting of the belt pulley of different-thickness, the screw rod that also can match according to different engine models, belt pulley quick-replaceable in addition; Adopt between piston rod with platen and be threaded, the position of locking nut locking platen and piston rod, thus the distance between lock piston bar front end and platen, to adapt to press-fiting of the belt pulley of different-thickness.
For achieving the above object, a kind of belt pulley pressing method utilizing above-mentioned belt pulley press-loading apparatus of the present invention, this pressing method comprises the following steps:
Step 1), is contained in advance by belt pulley on Crankshaft head;
Step 2), the screw rod of belt pulley press-loading apparatus is had in the silk hole of Crankshaft end surface described in the precession of externally threaded one end;
Step 3), is adjacent to platen end face and described belt pulley end face, and operation telescopic drive parts extend, and telescopic end drives piston rod to move on screw rod together with platen, is depressed into by belt pulley on bent axle spindle nose, completes press-fiting of belt pulley.
Compared with prior art, not only method is easy in the present invention, operating efficiency is high, and apparatus structure is simple, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of bent axle and belt pulley in prior art;
Fig. 2 is the structural representation of the belt pulley press-loading apparatus that the embodiment of the present invention provides;
Fig. 3 is the structural representation of the screw rod of belt pulley press-loading apparatus of the present invention;
Fig. 4 is the structural representation of the spacer of belt pulley press-loading apparatus of the present invention;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the piston of belt pulley press-loading apparatus of the present invention and the assembling schematic diagram of piston rod;
Fig. 7 is the right view of Fig. 6.
Mark the following drawings mark thereon by reference to the accompanying drawings:
A-bent axle, a1-bent axle miner diameter end spindle nose, b-belt pulley, 1-external screw thread, 2-platen, the left tubing interface of 3-, 4-cylinder body, 5-annulus, 6-piston rod, 7-second seal, the right tubing interface of 8-, 9-first bolt assembly, 10-spacer, 11-screwed hole, 12-rotating disk, 13-the 4th seal, 14-first screw thread, 15-screw rod, 16-the 3rd locking nut, 17-second bolt assembly, 18-second locking nut, 19-the 3rd screw thread, 20-piston, 21-the 3rd seal, 22-spring, 23-first seal, 24-first locking nut, 25-first shaft shoulder, 26-polished rod part, 27-first step, 28-second shaft shoulder, 29-through hole, 30-second step.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
As shown in Figure 2, first introduce the structure and working principle of belt pulley press-loading apparatus, this device comprises screw rod 15, piston rod 6, platen 2 and telescopic drive parts; Piston rod 6, in sleeve-shaped, is set on screw rod 15 and also can moves on screw rod 15 under the effect of telescopic drive parts; Platen 2 is fixed on piston rod 6 one end; Screw rod 15 two ends all outwards overhang out outside piston rod 6, screw rod 15 is provided with the external screw thread 1 for matching with silk hole on the Crankshaft end surface installing belt pulley near one end of platen 2 and front end, telescopic drive parts have stiff end and telescopic end, stiff end is conflicted at screw rod 15 away from one end of platen 2 and rear end, and telescopic end is fixed on piston rod 6 or on platen 2.
Operation principle is as follows: be provided with screw rod 15 front end in the silk hole of part precession Crankshaft end surface of external screw thread 1, platen 2 end face is close to belt pulley end face to be assembled, handle telescopic drive parts to extend, telescopic end drives piston rod 6 and platen 2 to move on screw rod 15, belt pulley to be assembled is expressed on bent axle spindle nose, in installation process, only need handle the flexible assembling that can complete belt pulley of telescopic drive parts, telescopic drive parts can adopt hydraulic jack, cylinder or other mechanical-stretching mechanisms, greatly reduce hand labour, safe and reliable, less to the vibration effect of the miscellaneous part generation that engine has assembled, and relatively manual impact substantially increases efficiency of assembling.
Further, telescopic drive parts specifically can adopt at least one hydraulic jack or at least one cylinder.According to a hydraulic jack or cylinder, can hydraulic jack or cylinder jacket be located on piston rod; According to plural hydraulic jack or cylinder, hydraulic jack or cylinder can be arranged around piston rod.Adopt such scheme structure simple, convenient operation.
Further as shown in Figure 2, telescopic drive parts are hydraulic jack, this hydraulic jack comprises cylinder body 4 and to be arranged in cylinder body and can the piston 20 of movement in cylinder body 4, cylinder body 4 inside is divided into left and right two independently oil pockets by piston 20, cylinder body 4 have left tubing interface 3 and right tubing interface 8, left tubing interface 3 is communicated with left side oil pocket, right tubing interface 8 is communicated with right side oil pocket, cylinder body 4 and piston 20 are all set on piston rod 6, and piston 20 is fixedly connected with piston rod 6, between cylinder body 4 and piston rod 6, be provided with the first seal 23.Cylinder body 4 is by oil-feed in right tubing interface 8 to the right oil pocket, and promote piston 20 and be moved to the left, piston 20 drives platen 2 to compress belt pulley by piston rod 6; Cylinder body 4 is by oil-feed in left tubing interface 3 to the left oil pocket, and promote piston and move right, piston 20 drives piston rod 6 and platen 2 return.
Further as shown in Figure 2, between piston 20 and cylinder body 4, be provided with the second seal 7, between piston 20 and piston rod 6, be equipped with the 3rd seal 21.First seal 23, second seal 7 and the 3rd seal 21 all adopt sealing ring, piston 20 cylindrical is provided with two seals groove, two sealing rings seal groove are equipped with, sealing ring and oil cylinder 4 inwall match and seal, block the hydraulic oil path on the left of oil cylinder 4 between oil pocket and right side oil pocket, ensure the sealing of hydraulic oil in cylinder body.
Further as shown in Figure 2, Figure 4 shows, this device also comprises the spacer 10 be sheathed on piston rod 6 and the rotating disk 12 be fixed on screw rod 15, and spacer 10 one end is fixedly connected with cylinder body 4, and the other end is conflicted on a turntable 12.Spacer 10, for adjusting the installation site of cylinder body 4, is convenient to the displacement adjusting piston 20.Rotating disk 12 periphery is provided with screwed hole 11, can manually or adopt pneumatic impact wrench rotary screw 15 to be connected with the silk hole of Crankshaft end surface.In the present embodiment, cylinder body 4 by drive end bearing bracket, cylindrical shell and rear end cap three part form, drive end bearing bracket, rear end cap are all fixedly connected with cylindrical shell by the first bolt assembly 9, left tubing interface 3 is arranged on drive end bearing bracket, right tubing interface 8 is arranged on rear end cap, rear end cap and spacer 10 are wholely set and form, and the cylinder body 4 of this kind of structure is easy to dismounting.
As shown in Figure 2 and Figure 3, screw rod 15 is provided with first shaft shoulder 25, is provided with first step 27 in the endoporus of piston rod 6; Screw rod 15, piston rod 6, first shaft shoulder 25 and first step 27 surround an annulus 5 jointly, are provided with spring 22 in this annulus 5, and spring 22 one end and first shaft shoulder 25 are conflicted, and the other end and first step 27 are conflicted.Spring 22 is in confined state, and screw rod 15 self-return stretches out piston rod 6, and screw rod is provided with in the silk hole of one end precession Crankshaft end surface of external screw thread 14 by convenient next time.
Further as shown in Fig. 2, Fig. 3, Fig. 6, be between platen 2 with piston rod 6, between piston 20 with piston rod 6 and between rotating disk 12 with screw rod 15 and be threaded; Platen 2 is locked by the first locking nut 24, and piston 20 is locked by the second locking nut 18, and rotating disk 12 is locked by the 3rd locking nut 16.The first screw thread 14 is adopted to be connected between screw rod 15 with rotating disk 12,3rd locking nut 16 locks the position of rotating disk 12 and screw rod 15, thus the distance between lock nut 15 front end and platen 2, to adapt to press-fiting of the belt pulley of different-thickness, the screw rod 15 that also can match according to different engine models, belt pulley quick-replaceable in addition; Adopt second to be threaded between piston rod 6 with platen 2, the first locking nut 24 locks the position of platen 2 and piston rod 6, thus the distance between lock piston bar 6 front end and platen 2, to adapt to press-fiting of the belt pulley of different-thickness.
The structure of screw rod 15 is with reference to Fig. 3, front end is provided with external screw thread 1, rear end is provided with the first screw thread 14, centre position is provided with first shaft shoulder 25, the part that the 3rd locking nut is stretched out in rear end is hexa-prism, part between first shaft shoulder 25 to the first screw thread 14 is polished rod part 26, the concrete structure of piston rod is see Fig. 6, Fig. 7, the centre of piston rod 6 is provided with second shaft shoulder 28, second shaft shoulder 28 is provided with seal groove, 3rd seal 21 is installed in seal groove, 3rd seal 21 adopts sealing ring, the 3rd screw thread 19 is provided with on the right side of second shaft shoulder 28, the rear end of piston rod 6 is polished rods, the root circle of the 3rd screw thread 19 is slightly larger than polished rod part 26 diameter of screw rod 15, piston 20 and the second locking nut 18 can flexibly through the right side polished rods of piston rod 6, cling to the second shaft shoulder 28 place, piston 20 and the second locking nut 18 can not be caused through the right side polished rod of scratching piston rod 6 during piston rod 6, piston 20 is provided with screwed hole, piston 20, second locking nut 18 all mates with the 3rd screw thread 19 of piston rod 6 and is connected, piston 20, the double nut of the second locking nut 18 has connected the relative position of piston 20 at piston rod 6 effectively locked, prevent piston 20 from getting loose at work, 3rd seal 21 is close to sealing with the left side of piston 20, block the hydraulic oil path of cylinder body 4 left and right sides.The forward part of piston rod 6 is polished rods, the front end of polished rod is provided with the second screw thread, platen 2, first locking nut 24, platen 2 is provided with screwed hole, platen 2, first locking nut 24 is connected with the nose threads of polished rod by the second screw thread, platen 2, the double nut of the first locking nut 24 has connected the relative position of platen 2 on piston rod 6 effectively locked, be provided with in piston rod 6 and run through slide opening, slide opening right-hand member is provided with first step 27, screw rod 15 is provided with first shaft shoulder 25, screw rod 15 is by the first screw thread 14 and rotating disk 12 of rear end, 3rd locking nut 16 is threaded, rotating disk 12, 3rd locking nut 16 connects the effectively locked relative position of rotating disk 12 on screw rod 15 for double nut.Between the excircle part of the polished rod part 26 of screw rod 15 and the through hole of piston rod 6, there is spring 22, screw rod 15 first shaft shoulder 25 is pasted on the top, front end of spring 22, the first step 27 of piston rod 6 is pasted on the top, rear end of spring 22, screw rod 15 is slidably arranged in the through hole of piston rod 6, screw rod 15 freely can reset to the front end of piston rod 6 under the effect of spring 22 power in the through hole of piston rod 6, the structure of spacer is see Fig. 4, Fig. 5, spacer 10 inside is provided with through hole 29, through hole 29 is light cinclides, the diameter of through hole 29 is slightly larger than the right side polished rod diameter of piston rod 6, to reserve enough sliding spaces when horizontally slipping to piston rod 6, prevent because through hole 29 is long and cause unnecessary obstacle to the slip of piston rod 6, through hole 29 left end is provided with second step 30, piston rod 6 right end portion is located in the through hole 29 of spacer 10, second step 30 internal diameter is provided with seal groove, there is in seal groove the 4th seal 13, spacer 10 left end is provided with bolt hole, there is in bolt hole the second bolt assembly 17, spacer 10, second bolt assembly 17 is fixedly connected with cylinder body 4, the screw rod 15 of spacer 10 right-hand member is provided with rotating disk 12 and the 3rd locking nut 16.In the present embodiment, rear end cap and spacer 10 are wholely set and form, and the cylinder body 4 of this kind of structure is easy to dismounting.
When needing the press-fiting of belt pulley adapting to different-thickness, only needs change the fixed position relative of platen 2 on screw rod 15, concrete operations are as follows: unclamped by the first locking nut 24, then rotary platen 2, adjust its right position on screw rod 15 to required size, then the first locking nut 24 is tightened, also the 3rd locking nut 16 can be unclamped simultaneously, then rotary turnplate 12, adjust its right position on screw rod 15 to required size, then tighten the 3rd locking nut 16, select according to actual conditions.
Horizontally slip in the through hole that screw rod 15 can be through piston rod 6, the rear end of screw rod 15 is provided with the first screw thread 14 and is connected with rotating disk 12, the 3rd locking nut 16, the screw rod 15 that can match with it according to different types and belt pulley quick-replaceable.
Screw rod 15 rear end is provided with turret head, rotating disk 12 is provided with screwed hole 11, and screwed hole 11 is equipped with swing handle, can swing handle or adopt the turret head of pneumatic impact wrench rotary screw 15 manually, thus be convenient to rotating screw bolt 15, make it to mate with the screwed hole of bent axle to be fast connected.
When concrete enforcement belt pulley compresses, first belt pulley is contained in advance on the little spindle nose of bent axle, the front end external screw thread 1 of screw rod 15 screws in the screwed hole of bent axle head, platen 2 left side is close on the required belt pulley end face compressed, hydraulic control oil circuit is connected at the upper right tubing interface 8 of cylinder body 4 right-hand member spacer 10, piston 20 is under the pressure effect of hydraulic oil, toward moving left in cylinder body 4, piston 20 promotes piston rod 6, platen 2 is toward moving left, rotating disk 12, screw rod 15 is stopped by spacer 10 can not toward moving left, platen 2 creates relative displacement with screw rod 15, change the relative position of platen 2 and belt pulley thus reach the object press-fiting belt pulley.
For achieving the above object, the embodiment of the present invention also provides a kind of belt pulley pressing method utilizing above-mentioned belt pulley press-loading apparatus, and this pressing method comprises the following steps:
Step 1), is contained in advance by belt pulley on Crankshaft head;
Step 2), the screw rod of belt pulley press-loading apparatus is had in the silk hole of externally threaded one end precession Crankshaft end surface;
Step 3), is adjacent to platen end face and described belt pulley end face, and operation telescopic drive parts extend, and telescopic end drives piston rod to move on screw rod together with platen, is depressed into by belt pulley on bent axle spindle nose, completes press-fiting of belt pulley.
In installation process, only need handle the flexible assembling that can complete belt pulley of telescopic drive parts, telescopic drive parts can adopt hydraulic jack, cylinder or other mechanical-stretching mechanisms, greatly reduce hand labour, safe and reliable, less to the vibration effect of the miscellaneous part generation that engine has assembled, and relatively manual impact substantially increases efficiency of assembling.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (4)
1. a belt pulley press-loading apparatus, is characterized in that, this device comprises screw rod, piston rod, platen and telescopic drive parts; Described piston rod is sleeve-shaped, is set on described screw rod and also can moves on described screw rod under the effect of described telescopic drive parts; Described platen is fixed on described piston rod one end; Described screw rod two ends all outwards overhang out outside described piston rod, described screw rod is provided with the external screw thread for matching with silk hole on the Crankshaft end surface installing belt pulley near one end of described platen, described telescopic drive parts have stiff end and telescopic end, described stiff end is conflicted in described screw rod one end away from described platen, and described telescopic end is fixed on described piston rod or on described platen; Described telescopic drive parts are at least one hydraulic jack or at least one cylinder; Described telescopic drive parts are hydraulic jack, this hydraulic jack comprises cylinder body and to be arranged in described cylinder body and can the piston of movement in cylinder body, cylinder interior is divided into two oil pockets by described piston, cylinder body have two interfaces, each described interface is all communicated with a described oil pocket, and described cylinder body and piston are all set on described piston rod, and described piston is fixedly connected with piston rod, be provided with the first seal between described cylinder body and piston rod, described cylinder body is fixedly connected with screw rod; The second seal is equipped with between described piston and cylinder body and between described piston and described piston rod;
Described belt pulley press-loading apparatus also comprises the spacer be sheathed on piston rod and the rotating disk be fixed on described screw rod, and described spacer one end is fixedly connected with described cylinder body, and the other end is conflicted at described rotating disk.
2. belt pulley press-loading apparatus according to claim 1, is characterized in that, described screw rod is provided with first shaft shoulder, is provided with first step in the through hole of described piston rod; Described screw rod, piston rod, first shaft shoulder and first step surround an annulus jointly, are provided with spring in this annulus, and described spring one end and described first shaft shoulder are conflicted, and the other end and described first step are fixed and conflicted.
3. belt pulley press-loading apparatus according to claim 2, it is characterized in that, described platen with between piston rod, described piston with between piston rod and described rotating disk be threaded with being between screw rod, described platen, piston and rotating disk are all locked by locking nut.
4. utilize a belt pulley pressing method for the arbitrary described belt pulley press-loading apparatus of claim 1-3, it is characterized in that, this pressing method comprises the following steps:
Step 1), belt pulley is contained in advance on Crankshaft head;
Step 2), the screw rod of belt pulley press-loading apparatus is had in the silk hole of Crankshaft end surface described in the precession of externally threaded one end;
Step 3), platen end face and described belt pulley end face are adjacent to, operation telescopic drive parts extend, and telescopic end drives piston rod to move on screw rod together with platen, is depressed into by belt pulley on bent axle spindle nose, completes press-fiting of belt pulley.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310276302.7A CN103394893B (en) | 2013-07-03 | 2013-07-03 | Belt pulley press-loading apparatus and pressing method |
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| CN201310276302.7A CN103394893B (en) | 2013-07-03 | 2013-07-03 | Belt pulley press-loading apparatus and pressing method |
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| CN103394893A CN103394893A (en) | 2013-11-20 |
| CN103394893B true CN103394893B (en) | 2016-04-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104551607B (en) * | 2015-01-20 | 2018-01-30 | 芜湖金源机械制造有限公司 | A kind of engine crankshaft damper pulley assembling mould and assembly method |
| CN105033616B (en) * | 2015-09-09 | 2017-05-24 | 广西玉柴机器股份有限公司 | Pressing-in device of crankshaft belt pulley |
| CN105058306B (en) * | 2015-09-09 | 2017-07-07 | 广西玉柴机器股份有限公司 | The press-in device of engine belt pulley |
| CN106217305B (en) * | 2016-08-10 | 2018-08-21 | 四川巴斯迪科新技术发展有限公司 | A kind of method of cohesive press fitting shock-proof crank pulley |
| CN109894859B (en) * | 2019-03-26 | 2021-05-25 | 中北大学 | Assembling device for ultrasonic transducer |
| CN110977406A (en) * | 2019-12-27 | 2020-04-10 | 广西玉柴机器股份有限公司 | Device for automatically press-fitting engine belt pulley and using method thereof |
| CN111300018B (en) * | 2020-03-26 | 2021-12-14 | 中车青岛四方机车车辆股份有限公司 | Coupling press-fitting device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2194605C2 (en) * | 2000-08-02 | 2002-12-20 | Общество с ограниченной ответственностью Научно-производственное предприятие "ЭНИМС-Интергидропривод" | Apparatus for pressing bearings onto wheel pairs |
| CN101456113B (en) * | 2007-12-10 | 2011-07-06 | 广西玉柴机器股份有限公司 | Crank pulley assembly method and guiding tool |
| CN201856078U (en) * | 2010-11-10 | 2011-06-08 | 中国一拖集团有限公司 | Device for press mounting by using hydraulic pressure |
| CN102350626A (en) * | 2011-09-22 | 2012-02-15 | 四川巴斯迪科机械有限公司 | Method for pressing belt pulley rubber ring |
| CN202278543U (en) * | 2011-10-25 | 2012-06-20 | 福建省福工动力技术股份公司 | Portable tool for dismounting and mounting belt wheel |
| CN202659587U (en) * | 2012-03-21 | 2013-01-09 | 上虞市鹏翔暖通设备有限公司 | Hydraulic-type assembly fixture for fan impeller |
| CN203330662U (en) * | 2013-07-03 | 2013-12-11 | 广西玉柴机器股份有限公司 | Belt pulley press fitting device |
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