CN108098681A - A kind of auxiliary device and method of the assembling of engine snubber belt pulley - Google Patents
A kind of auxiliary device and method of the assembling of engine snubber belt pulley Download PDFInfo
- Publication number
- CN108098681A CN108098681A CN201810097036.4A CN201810097036A CN108098681A CN 108098681 A CN108098681 A CN 108098681A CN 201810097036 A CN201810097036 A CN 201810097036A CN 108098681 A CN108098681 A CN 108098681A
- Authority
- CN
- China
- Prior art keywords
- belt pulley
- support shaft
- push rod
- fixture block
- bent axle
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Abstract
The invention discloses a kind of auxiliary devices of engine snubber belt pulley assembling, including push rod, the front end face of the push rod and the rear end face of the lubrication groove of belt pulley are adapted, the front end of the push rod be axially inserted into equipped with the support shaft being adapted with the endoporus of lubrication groove, the surface of revolution of the support shaft is equipped with the fixture block of axially extending setting, before the fixture block, both ends are equipped with the bent axle locating slot with crankshaft end respectively afterwards, the snap-in structure to fasten with the corresponding lubrication groove locating slot of the bent axle locating slot positioned at the lubrication groove rear end, it is equipped between the push rod and the support shaft and drives support shaft spring return mechanism in axial sliding back and forth.The invention also discloses a kind of methods of engine snubber belt pulley assembling.Technical scheme, reasonable in design, device easily makes, and is convenient for carrying, and practicability is good；Operate simpler, raising efficiency of assembling；Press fitting is convenient, belt pulley assembling accurate positioning.
Description
Technical field
The present invention relates to internal combustion engines to assemble field, more specifically, it relates to which a kind of engine snubber belt pulley assembles
Auxiliary device and method.
Background technology
At present, in engine building, particularly in big-block engine assembling process, hair is assembled on engine line
The mode of motivation damper belt pulley, which generally manually lifts damper belt and takes turns to crankshaft rear end, to be reassembled, and general engine subtracts
The device belt pulley that shakes has four or five ten jin of weights, and more than 100 jins of weight having, some is heavier, manually lift dress, and labor intensity is big, production efficiency
It is low.Moreover, the connection of conventional engines damper belt pulley and bent axle microcephaly are generally the connection of keyway and key, since bent axle is small
Head is provided with strong slot, and when improving power and increase torque, the quality fault of the small head rupture of bent axle easily occurs, small in order to solve bent axle
The quality fault that head is easily broken off enhances the intensity of bent axle microcephaly, and technical staff, which develops bent axle microcephaly, does not have the bent axle of keyway,
Bent axle microcephaly is combined into interference fit with matching somebody with somebody for engine vibration-damping belt pulley, engine snubber belt pulley and the connection of bent axle microcephaly
For no key connection, this brings very big difficulty to assembling, and locating slot during assembling in damper lubrication groove is difficult to positive bent axle microcephaly
On locating slot, low production efficiency.
The content of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, the purpose of the present invention one is to provide one
Kind has the auxiliary device for the engine snubber belt pulley assembling that can quickly and stably lift damper belt pulley.
The purpose of the present invention two is to provide a kind of side of engine snubber belt pulley assembling easy to operate, time saving and energy saving
Method.
To achieve the above object one, the present invention provides a kind of auxiliary device of engine snubber belt pulley assembling, bags
Include push rod, the rear end face of the front end face of the push rod and the lubrication groove of belt pulley is adapted, what the front end of the push rod was axially inserted into
Equipped with the support shaft that the endoporus with lubrication groove is adapted, the surface of revolution of the support shaft is equipped with the fixture block of axially extending setting, institute
The front and rear ends for stating fixture block is equipped with respectively with the bent axle locating slot of crankshaft end, positioned at the lubrication groove rear end and the bent axle
The snap-in structure that the corresponding lubrication groove locating slot of locating slot fastens is equipped between the push rod and the support shaft described in driving
Support shaft spring return mechanism in axial sliding back and forth.
Further, the snap-in structure of the fixture block front end is to protrude from the front end of the support shaft in the fixture block front end
The locator pin being adapted with the bent axle locating slot that face is provided with, the snap-in structure of the fixture block rear end is in the fixture block
Rear end along support shaft the outwardly positioning protrusion being provided with being adapted with the lubrication groove locating slot of radial direction.
Further, the rear end of the fixture block is equipped with the guide part for extending axially rearward setting, the front end of the push rod
The sliding slot being adapted with the guide part equipped with axially extending setting.
As a further improvement, the front end of the push rod is equipped with the pilot sleeve for accommodating the support shaft, the spring
Resetting-mechanism is included in the spring being equipped in the pilot sleeve, and the push rod, support shaft are equipped with accommodates the spring respectively
Front and rear ends receiving hole.
Further, the push rod is the multidiameter structure that front end is big, rear end is small, the pilot sleeve and the push rod
Center line overlap.
Further, the rear end of the push rod is equipped with the connection structure being connected with electric wrench, the pilot sleeve
The lubrication groove rear end face of front end face and the belt pulley is adapted.
Further, the barrel of the pilot sleeve is equipped with the sliding slot of axially extending setting, and the sliding slot penetrates through institute
The both ends for stating pilot sleeve are set.
Further, the dismountable embedded one side for being fixed on the support shaft of the fixture block, the fixture block and support
Attachment screw is equipped between axis.
To achieve the above object two, the present invention also provides a kind of method of engine snubber belt pulley assembling, the party
Method includes step：First, by the lubrication groove of the support shaft insertion belt pulley on push rod, and by the fixture block rear end in support shaft
Snap-in structure fasten with lubrication groove locating slot；Then, auxiliary device for rotation axis and the snap-in structure and bent axle of fixture block front end are made
The bent axle locating slot of end fastens；Finally, promote push rod that belt pulley is made to be assemblied under the guiding of fixture block on bent axle.
Further, in the front end of the push rod an axially extending sliding slot is set to be adapted with the fixture block.
Advantageous effect
Compared with prior art, the beneficial effect of the auxiliary device of engine snubber belt pulley of the invention assembling and method
Fruit is as follows：Technical scheme, reasonable in design, device easily makes, and is convenient for carrying, and practicability is good；Operation is more
Simply, efficiency of assembling is improved；Press fitting is convenient, belt pulley assembling accurate positioning；It can prevent belt pulley from being rotated in assembling
It collides and the staff that damages or damage with foreign object, ensures the safety of assembly work；Device have auto-reset function and
Pneumatic hammer can be coordinated to use, save manpower, greatly reduce labor intensity.
Description of the drawings
Fig. 1 is the operating diagram of the auxiliary device of the engine snubber belt pulley assembling of the present invention；
Fig. 2 is the structural front view of the auxiliary device of the engine snubber belt pulley assembling of the present invention；
Fig. 3 is the structure top view of the auxiliary device of the engine snubber belt pulley assembling of the present invention；
Fig. 4 is the structure top view of push rod in the present invention；
Fig. 5 is the structure right view of push rod in the present invention；
Fig. 6 is the structural front view of fixture block in the present invention；
Fig. 7 is the structure top view of fixture block in the present invention.
In figure：1st, push rod；2nd, belt pulley；201st, lubrication groove；3rd, spring；4th, support shaft；5th, fixture block；51st, locator pin；52、
Positioning protrusion；53rd, guide part；6th, bent axle；7th, bent axle locating slot；8th, connection structure；9th, lubrication groove locating slot；10th, attachment screw；
11st, sliding slot；12nd, pilot sleeve.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not restricted by specific implementation.
The specific embodiment of the present invention is such：As shown in figs. 1-7, a kind of engine snubber belt pulley assembles
Auxiliary device, including push rod 1, the front end face of push rod 1 and the rear end face of the lubrication groove 201 of belt pulley 2 are adapted, the front end of push rod 1
Be axially inserted into equipped with the support shaft 4 being adapted with the endoporus of lubrication groove 201, the surface of revolution of support shaft 4 is equipped with axially extending set
The fixture block 5 put, fixture block 5 are square item, and the front and rear ends of fixture block 5 is equipped with respectively with the bent axle locating slot 7 of 6 end of bent axle, positioned at interior
The snap-in structure to fasten with 7 corresponding lubrication groove locating slot 9 of bent axle locating slot of 201 rear ends is taken turns, 5 front and rear ends of fixture block
Snap-in structure can be such that the lubrication groove 201 of the belt pulley 2 in support shaft 4 is aligned with bent axle 6, and push rod 1 is by belt pulley 2 from support shaft 4
On be pressed on bent axle 6 after, bent axle locating slot 7 can be made to be aligned with lubrication groove locating slot 9, press fitting is convenient, and belt pulley 2 assembles
Accurate positioning, it is easy to operate, it is equipped between push rod 1 and support shaft 4 and drives the spring reset machine in axial sliding back and forth of support shaft 4
Structure can make support shaft 4 protrude from the front end face of push rod 1, axis 4 easy to support and lubrication groove 201 automatically by spring return mechanism
Endoporus be adapted, operation it is simpler, improve efficiency of assembling.
In the present embodiment, the snap-in structure of 5 front end of fixture block sets to protrude from the front end face of support shaft 4 in 5 front end of fixture block
The locator pin 51 being adapted with bent axle locating slot 7 being equipped with, locator pin 51 engages with bent axle locating slot 7 makes support shaft 4
Outer circle is corresponding with the outer circle of bent axle, and the snap-in structure of 5 rear end of fixture block is in radial direction of the rear end of fixture block 5 along support shaft 4
The outwardly positioning protrusion 52 being provided with being adapted with lubrication groove locating slot 9, snap-in structure and the lubrication groove at 5 both ends of fixture block position
Slot 9, matching somebody with somebody for bent axle locating slot 7 are combined into tighter clearance fit, and positioning protrusion 52 is overlapped with the center line of locator pin 51, is ensured
When the lubrication groove 201 being socketed in support shaft 4 is sleeved in axial sliding on bent axle 6, lubrication groove locating slot 9 and bent axle locating slot 7 are right
Just, convenient for belt pulley 2 and bent axle 6 are further locked.
In the present embodiment, it is equipped with and slides axially guide frame between fixture block 5 and push rod 1, prevents support shaft 4 compared with pushing away
Bar 1 is rotated without easy to operation, and prevents the rotation of belt pulley 2 from colliding and the staff that damages or damage with foreign object, is protected
The safety of assembly work is demonstrate,proved, the rear end of fixture block 5 is equipped with the guide part 53 for extending axially rearward setting, and the front end of push rod 1 is equipped with axis
To the extended sliding slot 11 being adapted with guide part 53, under the action of spring return mechanism, the guide part 53 of fixture block 5 can
To slide axially in sliding slot 11, limitation support shaft 4 rotates.
In the present embodiment, the front end of push rod 1 is equipped with the pilot sleeve 12 for accommodating support shaft 4, and spring return mechanism includes
The spring 3 being equipped in pilot sleeve 12, push rod 1, support shaft 4 are equipped with the receiving for the front and rear ends for accommodating spring 3 respectively
Hole, the both ends of spring 3 are arranged in receiving hole, can be prevented spring from lateral deformation occurs in compression, be ensured the elasticity of spring 3
And service life, also make the more smooth nature of slip of support shaft 4.
In the present embodiment, the front end face of support shaft 4 is protruded above equipped with gradually narrowed conic positioning structure, may be inserted into
At the center of bent axle 6, make support shaft 4 and 6 quick aligning of bent axle, improve assembling speed.
In the present embodiment, the rear end of push rod 1 is equipped with the connection structure 8 being connected with electric wrench, the connection of 1 rear end of push rod
8 outside of structure is designed with screw thread, and indoor design has square hole, facilitates access electric hammer or pneumatic hammer, the front end face and skin of pilot sleeve 12
201 rear end face of lubrication groove of belt wheel 2 is adapted, and connects electric hammer or pneumatic hammer at the connection structure 8 of 1 rear end of push rod, open electric hammer or
Pneumatic hammer switchs, and under electric hammer or pneumatic hammer effect, the front end face of pilot sleeve 12 is acted on 201 rear end face of lubrication groove of belt pulley 2,
So as to which damper belt pulley 2 is press-fit into place, electric hammer or pneumatic hammer switch are closed, damper belt pulley assembling auxiliary device is taken
Under, damper belt pulley bolt is assembled on request, you can completes the assembling of damper belt pulley；Pneumatic hammer, electric hammer can be coordinated
It uses, saves manpower, accelerate efficiency of assembling.
In the present embodiment, push rod 1 is the center of the multidiameter structure that front end is big, rear end is small, pilot sleeve 12 and push rod 1
Line overlaps, manufacture easy to process, and the barrel of pilot sleeve 12 is equipped with the sliding slot 11 of axially extending setting, and the perforation of sliding slot 11 is oriented to
The both ends of sleeve 12 are set, and the setting of sliding slot 11 coordinates convenient for the guide part 53 of fixture block 5 with it, also allow for manufacture processing.
In the present embodiment, the dismountable embedded one side for being fixed on support shaft 4 of fixture block 5 ensures the periphery of support shaft 4
It is fitted and connected with the hole wall of lubrication groove 201, attachment screw 10 is equipped between fixture block 5 and support shaft 4, fixture block, which is equipped with, accommodates connection spiral shell
The counterbore of nail 10 prevents attachment screw 10 from scraping the hole wall of upper inner wheel 201.
In the present embodiment, the rear end of fixture block 5 is equipped with the /V being adapted with 12 rear end face of pilot sleeve to both sides protrusion
Structure prevents support shaft 4 from skidding off pilot sleeve 12 under the action of spring 3.
A kind of method of engine snubber belt pulley assembling of the present invention, this method include step：First, will push away
Support shaft 4 on bar 1 is inserted into the lubrication groove 201 of belt pulley 2, and by the snap-in structure and lubrication groove of 5 rear end of fixture block in support shaft 4
Locating slot 9 fastens；Then, auxiliary device for rotation and the snap-in structure of 5 front end of fixture block and the bent axle locating slot of 6 end of bent axle are made
7 fasten；Finally, promote push rod 1 that belt pulley 2 is made to be assemblied under the guiding of fixture block 5 on bent axle 6.It is set in the front end of push rod 1
One axially extending sliding slot 11 is adapted with fixture block 5.
The concrete operations of its assembly method are, rotating bent axle 6 first makes bent axle locating slot 7 on 6 microcephaly of bent axle subtract upward
The lubrication groove locating slot 9 to shake in device belt pulley lubrication groove 201 is inserted into vibration damping downward, the support shaft 4 of damper belt pulley auxiliary device
In device belt pulley lubrication groove 201, the positioning protrusion 52 of 5 rear end of fixture block is made to be adapted with lubrication groove locating slot 9, then damper belt pulley
The locator pin 51 for assembling 5 front end of fixture block of auxiliary device is inserted into the bent axle locating slot 7 of 6 microcephaly of bent axle, and front and rear the two of fixture block 5
Bent axle locating slot 7 and lubrication groove locating slot 9 are inserted into end respectively, and the conic positioning structure insertion bent axle 6 of movable 4 front end of support shaft is small
After head screwed hole of centre, damper belt pulley 2 is gently pressed onto on 6 microcephaly of bent axle, is connected at the connection structure 8 of 1 rear end of push rod
Electric hammer or pneumatic hammer open electric hammer or pneumatic hammer switch, and under electric hammer or pneumatic hammer effect, the front end face of pilot sleeve 12 acts on belt
On 201 rear end face of lubrication groove of wheel 2, so as to which damper belt pulley 2 is press-fit into place, electric hammer or pneumatic hammer switch are closed, damper
Belt pulley assembling auxiliary device is taken down, and assembles damper belt pulley bolt on request, you can complete the dress of damper belt pulley
Match somebody with somebody；Pneumatic hammer, electric hammer is coordinated to use, saves manpower, efficiency of assembling is fast.
It the above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, do not taking off
On the premise of from structure of the present invention, several modifications and improvements can also be made, these all do not interfere with the effect that the present invention is implemented
And practical applicability.
Claims (10)
1. a kind of auxiliary device of engine snubber belt pulley assembling, including push rod (1), which is characterized in that the push rod (1)
Front end face and the rear end face of the lubrication groove (201) of belt pulley (2) be adapted, what the front end of the push rod (1) was axially inserted into is equipped with
The support shaft (4) being adapted with the endoporus of lubrication groove (201), the surface of revolution of the support shaft (4) are equipped with axially extending setting
Fixture block (5), the front and rear ends of the fixture block (5) are equipped with respectively with the bent axle locating slot (7) of bent axle (6) end, positioned at described interior
The snap-in structure to fasten with the corresponding lubrication groove locating slot (9) of the bent axle locating slot (7) of (201) rear end is taken turns, it is described to push away
It is equipped between bar (1) and the support shaft (4) and drives the support shaft (4) spring return mechanism in axial sliding back and forth.
2. the auxiliary device of a kind of engine snubber belt pulley assembling according to claim 1, which is characterized in that described
The snap-in structure of fixture block (5) front end be protrude from that the front end face of the support shaft (4) is provided in the fixture block (5) front end with
The locator pin (51) that the bent axle locating slot (7) is adapted, the snap-in structure of fixture block (5) rear end is in the fixture block
(5) the outwardly positioning being provided with being adapted with the lubrication groove locating slot (9) of radial direction of rear end along support shaft (4)
Raised (52).
3. the auxiliary device of a kind of engine snubber belt pulley assembling according to claim 2, which is characterized in that described
The rear end of fixture block (5) is equipped with the guide part (53) for extending axially rearward setting, and the front end of the push rod (1) is equipped with axially extending set
The sliding slot (11) being adapted with the guide part (53) put.
4. a kind of auxiliary device of engine snubber belt pulley assembling according to claim 1 or 2 or 3, feature exist
In the front end of the push rod (1) is equipped with the pilot sleeve (12) for accommodating the support shaft (4), and the spring return mechanism includes
The spring (3) being equipped in the pilot sleeve (12), the push rod (1), support shaft (4) are equipped with accommodates the spring respectively
(3) receiving hole of front and rear ends.
5. the auxiliary device of a kind of engine snubber belt pulley assembling according to claim 4, which is characterized in that described
Push rod (1) is the multidiameter structure that front end is big, rear end is small, and the pilot sleeve (12) overlaps with the center line of the push rod (1).
6. the auxiliary device of a kind of engine snubber belt pulley assembling according to claim 4, which is characterized in that described
The rear end of push rod (1) is equipped with the connection structure (8) being connected with electric wrench, front end face and the skin of the pilot sleeve (12)
Lubrication groove (201) rear end face of belt wheel (2) is adapted.
7. a kind of auxiliary device of engine snubber belt pulley assembling according to claim 5 or 6, which is characterized in that
The barrel of the pilot sleeve (12) is equipped with the sliding slot (11) of axially extending setting, and the sliding slot (11) penetrates through the guide sleeve
The both ends of cylinder (12) are set.
8. the auxiliary device of a kind of engine snubber belt pulley assembling according to claim 4, which is characterized in that described
The dismountable embedded one side for being fixed on the support shaft (4) of fixture block (5), the company of being equipped between the fixture block (5) and support shaft (4)
Connect screw (10).
9. a kind of assembly method of the auxiliary device of engine snubber belt pulley assembling according to claim 1, special
Sign is that this method includes step：First, by the lubrication groove of support shaft (4) the insertion belt pulley (2) on push rod (1)
(201), and by the snap-in structure of fixture block (5) rear end in support shaft (4) fasten with lubrication groove locating slot (9)；Then, rotate
Auxiliary device simultaneously makes the snap-in structure of fixture block (5) front end and the bent axle locating slot (7) of bent axle (6) end fasten；Finally, promote
Push rod (1) makes belt pulley (2) be assemblied under the guiding of fixture block (5) on bent axle (6).
10. the method for a kind of engine snubber belt pulley assembling according to claim 9, which is characterized in that described
The front end of push rod (1) sets an axially extending sliding slot (11) to be adapted with the fixture block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810097036.4A CN108098681A (en) | 2018-01-31 | 2018-01-31 | A kind of auxiliary device and method of the assembling of engine snubber belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810097036.4A CN108098681A (en) | 2018-01-31 | 2018-01-31 | A kind of auxiliary device and method of the assembling of engine snubber belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108098681A true CN108098681A (en) | 2018-06-01 |
Family
ID=62221488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810097036.4A Pending CN108098681A (en) | 2018-01-31 | 2018-01-31 | A kind of auxiliary device and method of the assembling of engine snubber belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108098681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621652A (en) * | 2020-11-11 | 2021-04-09 | 中国航发贵州黎阳航空动力有限公司 | Assembly method of front intermediate bearing cover of aero-engine |
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| CN112621652A (en) * | 2020-11-11 | 2021-04-09 | 中国航发贵州黎阳航空动力有限公司 | Assembly method of front intermediate bearing cover of aero-engine |
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