CN105058306B - The press-in device of engine belt pulley - Google Patents
The press-in device of engine belt pulley Download PDFInfo
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- CN105058306B CN105058306B CN201510568365.9A CN201510568365A CN105058306B CN 105058306 B CN105058306 B CN 105058306B CN 201510568365 A CN201510568365 A CN 201510568365A CN 105058306 B CN105058306 B CN 105058306B
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- Prior art keywords
- helical gear
- press
- belt pulley
- hole
- pull bar
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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
- B25B27/026—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 fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Abstract
The invention discloses a kind of press-in device of engine belt pulley.The press-in device includes：Support, it has bearing disc, support bar and flanged plate, and the bearing disc has pressure-bearing center hole and bearing disc pendulum shape shape chamber；Gear-box, it includes：First helical gear, gib-headed flat key, the second helical gear, hand wheel shaft and casing；Second helical gear offers the second helical gear centre bore and the second helical teeth wheel key way；The casing offers spindle hole, square crossing hole and casing pendulum shape shape chamber；Pull bar, the pull bar and pressure-bearing center hole, the first helical gear centre bore, spindle hole slide fit, and make the gib-headed flat key and U-shaped keyway slide fit；Oil cylinder, it is fixed on the flanged plate of the support, and the piston rod of the oil cylinder is connected with one end of pull bar；And screw rod.The press-in device can increase substantially the efficiency of assembling of engine belt pulley.
Description
Technical field
The present invention relates to engine assembly field, more particularly to a kind of press-in device of engine belt pulley.
Background technology
Belt pulley press-in device is the usual means of engine assembly.Particularly belt pulley and crankshaft journal elastic conjunction
When, cause other part deformations to damage to prevent from tapping energetically assembling, generally press-fited using hydraulic means.So belt pulley is pressed into
Device is generalized application.Current such device is typically using combination shaft coupling, screw fastening flat key, bevel gear pair or worm and gear
Engaged transmission, independent gear-box form, are more expensive to manufacture part more, operate heavy, maintenance inconvenient.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the invention, without answering
In being considered as recognizing or imply in any form that the information structure has been the prior art well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of press-in device of simple and reasonable engine belt pulley, the engine
The press-in device of belt pulley drives pull bar to retreat, the mechanism of rotation is simple and reliable, and making is simple, operate light, easy to maintenance, energy
Enough increase substantially the efficiency of assembling of engine belt pulley.
To achieve the above object, according to the invention provides a kind of press-in device of engine belt pulley, including：Support,
It has bearing disc, support bar and flanged plate, and the bearing disc has pressure-bearing center hole and bearing disc pendulum shape shape chamber；Gear
Case, it includes：First helical gear, gib-headed flat key, the second helical gear, hand wheel shaft and casing, first helical gear offer
One helical gear centre bore, the first helical teeth wheel key way and radial hole；The gib-headed flat key fastens radial hole；Second helical gear is opened
It is provided with the second helical gear centre bore and the second helical teeth wheel key way；The casing offers spindle hole, square crossing hole and casing clock
Pendulum shape chamber；Fit to form gear chamber with the bearing disc pendulum shape shape chamber of bearing disc in the casing pendulum shape shape chamber of the casing；Institute
State the first helical gear to be installed with e axle supporting with spindle hole, the first helical gear centre bore respectively by deep groove ball bearing, described second
Helical gear is set in one end of hand wheel shaft, and the supporting in square crossing hole and positioning, and the other end of the hand wheel shaft is fixed with
Handwheel；First helical gear intersects engaged transmission with the second helical gear in the gear chamber；Pull bar, its periphery offers axle
To U-shaped keyway, the pull bar and pressure-bearing center hole, the first helical gear centre bore, spindle hole slide fit, and make the gib-headed flat key with
U-shaped keyway slide fit；Oil cylinder, it is fixed on the flanged plate of the support, and the piston rod of the oil cylinder is connected with one end of pull bar；With
And screw rod, its one end is connected with the other end of pull bar, and the other end of the screw rod is adapted to engine crankshaft microcephaly's screw and screws.
Preferably, in above-mentioned technical proposal, bearing disc has locating ring, and the locating ring is located at the bearing disc pendulum shape shape
The outside in chamber, the casing is felt relieved by spindle hole with bearing disc with locating ring.
Preferably, in above-mentioned technical proposal, one end of pull bar has the first screw, and described screw rod one end passes through locking spring washer
Fastening is screwed with first screw.
Preferably, in above-mentioned technical proposal, the piston rod of oil cylinder is connected with one end of pull bar by shaft coupling.
Preferably, in above-mentioned technical proposal, the other end of pull bar offers circumferential groove in its end portion, and the shaft coupling has the second spiral shell
Hole and U-shaped draw-in groove, second screw are used to screw fastening with the piston rod of oil cylinder, and the U-shaped draw-in groove is connected with annular groove slide fit.
Preferably, in above-mentioned technical proposal, the first helical gear is with the second helical gear for 45 ° of helical angles intersect engaged transmission.
Preferably, in above-mentioned technical proposal, one end of hand wheel shaft has handwheel shaft key groove, the shaft shoulder, and the other end has radially
Hole, turret head；Second helical gear is set in hand wheel shaft, and is installed on handwheel shaft key groove, the shaft shoulder, deep-groove ball axle by flat key
Hold, hole back-up ring, circlip groove joint realize supporting with positioning.
Preferably, in above-mentioned technical proposal, handwheel is connected by resilient key, radial hole and hand wheel shaft.
Compared with prior art, the present invention has the advantages that：The press-in device of the engine belt pulley drives and draws
Bar is retreated, the mechanism of rotation is simple and reliable, and making is simple, it is light to operate, easy to maintenance, can increase substantially dynamo belt
The efficiency of assembling of wheel.
Brief description of the drawings
Fig. 1 is the structural representation of the press-in device of engine belt pulley of the invention.
Fig. 2 is the drawbar structure diagram of the press-in device of engine belt pulley of the invention.
Fig. 3 is the bearing disc structural representation of the press-in device of engine belt pulley of the invention.
Fig. 4 is the shaft coupling dimensional structure diagram of the press-in device of engine belt pulley of the invention.
Fig. 5 is the shaft coupling cross section structure diagram of the press-in device of engine belt pulley of the invention.
Fig. 6 is the gib-headed flat key structural representation of the press-in device of engine belt pulley of the invention.
Fig. 7 is the first helical gear structural representation of the press-in device of engine belt pulley of the invention.
Fig. 8 is the second helical gear structural representation of the press-in device of engine belt pulley of the invention.
Fig. 9 is the hand wheel shaft structural representation of the press-in device of engine belt pulley of the invention.
Figure 10 is the body structure schematic diagram of the press-in device of engine belt pulley of the invention.
Figure 11 is the first assembling structure schematic diagram of the press-in device of engine belt pulley of the invention.
Figure 12 is the second assembling structure schematic diagram of the press-in device of engine belt pulley of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in detail, it is to be understood that guarantor of the invention
Shield scope is not limited by specific embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units
Part or other parts.
As shown in figure 1, the concrete structure bag of the press-in device of engine belt pulley according to the specific embodiment of the invention
Include：Pull bar 1, support 2, shaft coupling 3, gear-box 4, handwheel 5, screw rod 6 and oil cylinder 7.Using when, shake the hand by hand wheel 5 cause fix
Screw rod 6 in the outer end of pull bar 1 screws bent axle microcephaly's screw, and makes the bearing disc of support 2 against belt pulley end face, control cylinder 7
Piston rod stretch out belt pulley be pressed into predetermined axle journal position.Stretch out piston rod afterwards in place, reversing handle 5 separates screw rod 6.Should
The press-in device of engine belt pulley drives pull bar to retreat, the mechanism of rotation is simple and reliable, and making is simple, operate light, maintenance
It is convenient, the efficiency of assembling of engine belt pulley can be increased substantially.
Specifically, as shown in Fig. 2 one end of pull bar 1 has screw 11, the other end offers circumferential groove in its end portion 13, pull bar 1
Periphery offer axial U-shaped keyway 12.Support 2 is weldment, with bearing disc 21, support bar and flanged plate, such as Fig. 3 institutes
Show, the bearing disc 21 has locating ring 211, pressure-bearing center hole 212 and bearing disc pendulum shape shape chamber 213, and locating ring 211 is located at
The outside in bearing disc pendulum shape shape chamber 213.
As shown in Figure 4 and Figure 5, shaft coupling 3 has screw 31 and U-shaped draw-in groove 32, and screw 31 is used for the piston rod with oil cylinder 7
Fastening is screwed, U-shaped draw-in groove 32 is connected with the slide fit of annular groove 13.Gear-box 4 includes：First helical gear 41, (such as Fig. 6 of gib-headed flat key 42
It is shown), the second helical gear 44, hand wheel shaft 46 and casing 49.Wherein, as shown in fig. 7, the first helical gear 41 to offer first oblique
Gear center hole, the first helical teeth wheel key way and radial hole 413；As shown in figure 8, during the second helical gear 44 offers the second helical gear
The helical teeth wheel key way 442 of heart hole 441 and second；As shown in figure 9, one end of hand wheel shaft 46 has handwheel shaft key groove 461, the shaft shoulder 462,
The other end has radial hole 463, turret head 464；As shown in Figure 10, casing 49 is in " convex " shape, offers spindle hole 491, hangs down
Orthogonal entry 492, casing pendulum shape shape chamber 493 and circlip groove 494.
As shown in Figure 11 to Figure 12, during assembling, flat key is tight with 461,1 bearing close-fitting of handwheel shaft key groove to the shaft shoulder
462, without key side, are then tight with the inner side of square crossing hole 492 a bearing, and hand wheel shaft 46 is stretched into from the outside of cross bore 492,
The second helical gear 44 is put into from casing pendulum shape shape chamber 493, hand wheel shaft 46 is had key side and flat key slide fit to centre bore 441, key
Groove 442, then makes hand wheel shaft 46 have key side to continue close-fitting to inboard bearing inner ring, in place after hole back-up ring is attached to circlip groove
494, the second helical gear 44 is set in hand wheel shaft 46, and flat key is installed on keyway 461, the shaft shoulder 462, deep groove ball bearing, hole back-up ring,
Circlip groove 494 combines the supporting and positioning for realizing the second helical gear 44 and hand wheel shaft 46 in square crossing hole 492.So far hand wheel shaft
46th, the second helical gear 44 realizes positioning, supporting, the connection in casing 49.Then the master of a close-fitting of bearing 43 to casing 49
First helical gear 41 is then had one end close-fitting of radial hole 413 by axis hole 491, the centre bore 212 of another close-fitting to bearing disc 21
To the brearing bore of casing 49, the first helical gear 41 by deep groove ball bearing respectively with spindle hole 491, the coaxial branch of centre bore 212
Installation is held, centre bore runs through spindle hole 491, centre bore 212；And ensure that the first helical gear 41 is nibbled with the reliability of the second helical gear 44
Close, the first helical gear 41 is 45 ° of helical angles, intersects engaged transmission in gear chamber with the second helical gear 44.Handwheel 5 is by elasticity
Pin, radial hole 463 are connected with hand wheel shaft 46.Then the slide fit of locating ring 211 of the spindle hole 491 of casing 49 and bearing disc 21 and make
The brearing bore close-fitting without the one end of radial hole 413 Yu bearing disc 21 of the first helical gear 41, in place after trip bolt, so far gear
Room assembling is finished, casing 49 and bearing disc 21 are felt relieved by spindle hole 491 and locating ring 211, bearing disc pendulum shape shape chamber 213 with
The laminating of casing pendulum shape shape chamber 493 forms gear chamber, and centre bore runs through spindle hole 491, centre bore 212.
Gib-headed flat key fastens radial hole 413, flat key slide fit keyway, while by centre bore 212, centre bore, spindle hole 491
Slide fit pull bar 1 simultaneously makes gib-headed flat key 42 and the slide fit of U-shaped keyway 12, after pull bar 1 passes through, the U-shaped draw-in groove 32 of shaft coupling 3 is detained positive ring
Groove 13, then makes screw 31 screw piston rod and fasten.
Then be connected oil cylinder 7 on flanged plate 23, the slide fit of pull bar 1 in spindle hole 491, annular groove 13 and the slide fit of U-shaped draw-in groove 32,
Gib-headed flat key 42 is put into from spindle hole 491, gib-headed flat key 42 fastens radial hole 413 and the slide fit of U-shaped keyway 12, screw 31 and oil cylinder
7 piston rod screws fastening.The one end of screw rod 6 screws fastening, one end and engine crankshaft microcephaly by locking spring washer and screw 11
Screw is screwed.Rocking-turn handwheel 5, second helical gear 44 of hand wheel shaft 46 engages the first helical gear 41, drives it to rotate, by gib head
Flat key 42 drives pull bar 1 and screw rod 6 to rotate；The turnover of the piston rod of oil cylinder 7 drives shaft coupling 3 and drives pull bar 1 and screw rod 6 to retreat and transport
It is dynamic.
Screw rod 6 screws bent axle microcephaly's screw, makes bearing disc 21 against belt pulley end face, and the piston rod of control cylinder 7 stretches out handle
Belt pulley is pressed into predetermined axle journal position, stretches out piston rod afterwards in place, and reversing handle 5 separates screw rod 6.Due to using band U-shaped card
The shaft coupling of groove 32, fastens radial hole 413 and the slide fit of U-shaped keyway 12, using 45 ° of helical teeth of helical angle first using gib-headed flat key 42
Wheel 41,44 intersects engaged transmission, and the measures such as gear chamber cover are taken into account using bearing disc, the mechanism's letter for make driving pull bar 1 retreat, rotating
It is single reliable.The device uses the shaft coupling with U-shaped draw-in groove 32；Gear chamber is taken into account using pendulum shape shape chamber gear chamber, bearing disc 21
The measures such as lid, the mechanism for make driving pull bar 1 retreat, rotating is simple and reliable, makes simple, light, easy to maintenance, the Ke Yiti of operation
Belt pulley efficiency of assembling high.
The press-in device of the engine belt pulley can realize mechanical rocking-turn with low-speed maneuver sleeve connection.
To sum up, the press-in device of the engine belt pulley drives the mechanism of pull bar advance and retreat, rotation simple and reliable, makes letter
Single, operation is light, easy to maintenance, can increase substantially the efficiency of assembling of engine belt pulley.
The foregoing description to specific illustrative embodiment of the invention be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that certain principles of the invention and its reality should
With so that those skilled in the art can realize and using a variety of exemplaries of the invention and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of press-in device of engine belt pulley, it is characterised in that including：
Support, it has bearing disc, support bar and flanged plate, and the bearing disc has pressure-bearing center hole and bearing disc pendulum shape shape
Chamber；
Gear-box, it includes：First helical gear, gib-headed flat key, the second helical gear, hand wheel shaft and casing, first helical gear
Offer the first helical gear centre bore, the first helical teeth wheel key way and radial hole；The gib-headed flat key fastens the radial hole；It is described
Second helical gear offers the second helical gear centre bore and the second helical teeth wheel key way；The casing offers spindle hole, vertical friendship
Entry and casing pendulum shape shape chamber；Pasted with the bearing disc pendulum shape shape chamber of the bearing disc in the casing pendulum shape shape chamber of the casing
Conjunction forms gear chamber；First helical gear is coaxially propped up with spindle hole, the first helical gear centre bore respectively by deep groove ball bearing
Installation is held, second helical gear is set in one end of hand wheel shaft, and is supported and positioning, the handwheel in the square crossing hole
The other end of axle is fixed with handwheel；First helical gear intersects engaged transmission with the second helical gear in the gear chamber；
Pull bar, its periphery offers axial U-shaped keyway, the pull bar and pressure-bearing center hole, the first helical gear centre bore, spindle hole
Slide fit, and make the gib-headed flat key and U-shaped keyway slide fit；
Oil cylinder, it is fixed on the flanged plate of the support, and the piston rod of the oil cylinder is connected with one end of pull bar；And
Screw rod, its one end is connected with the other end of pull bar, and the other end of the screw rod is adapted to engine crankshaft microcephaly's screw and screws.
2. the press-in device of engine belt pulley according to claim 1, it is characterised in that the bearing disc has positioning
Ring, the locating ring is located at the outside in the bearing disc pendulum shape shape chamber, and the casing passes through spindle hole and locating ring with bearing disc
Centering.
3. the press-in device of engine belt pulley according to claim 1, it is characterised in that the other end tool of the pull bar
The one end for having the first screw, the screw rod screws fastening by locking spring washer and first screw.
4. the press-in device of engine belt pulley according to claim 1, it is characterised in that the piston rod of the oil cylinder with
One end of pull bar is connected by shaft coupling.
5. the press-in device of engine belt pulley according to claim 4, it is characterised in that one end of the pull bar opens up
There is circumferential groove in its end portion, the shaft coupling has the second screw and U-shaped draw-in groove, and second screw is used to be screwed with the piston rod of oil cylinder
Fastening, the U-shaped draw-in groove is connected with annular groove slide fit.
6. the press-in device of engine belt pulley according to claim 1, it is characterised in that first helical gear and
Two helical gears are that 45 ° of helical angles intersect engaged transmission.
7. the press-in device of engine belt pulley according to claim 1, it is characterised in that one end tool of the hand wheel shaft
There are handwheel shaft key groove, the shaft shoulder, the other end has radial hole, turret head；Second helical gear is set in hand wheel shaft, and by flat
Key is installed on handwheel shaft key groove, and the shaft shoulder, deep groove ball bearing, hole back-up ring, circlip groove joint realize supporting with positioning.
8. the press-in device of engine belt pulley according to claim 7, it is characterised in that the handwheel is by elasticity
Pin, radial hole and hand wheel shaft are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568365.9A CN105058306B (en) | 2015-09-09 | 2015-09-09 | The press-in device of engine belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568365.9A CN105058306B (en) | 2015-09-09 | 2015-09-09 | The press-in device of engine belt pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105058306A CN105058306A (en) | 2015-11-18 |
| CN105058306B true CN105058306B (en) | 2017-07-07 |
Family
ID=54487930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510568365.9A Active CN105058306B (en) | 2015-09-09 | 2015-09-09 | The press-in device of engine belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105058306B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649862B (en) * | 2017-10-17 | 2023-04-21 | 中联农业机械股份有限公司 | Belt pulley press-fitting device |
| CN110977406B (en) * | 2019-12-27 | 2024-09-27 | 广西玉柴机器股份有限公司 | Device for automatically press-fitting engine belt pulley and application method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005003450U1 (en) * | 2005-03-04 | 2005-05-19 | Klann-Spezial-Werkzeugbau-Gmbh | Device for removing and pressing in a wheel bearing at the rear |
| CN201253746Y (en) * | 2008-07-24 | 2009-06-10 | 广西玉柴机器股份有限公司 | Engine belt pulley press mounting apparatus |
| CN201455614U (en) * | 2009-05-26 | 2010-05-12 | 襄樊福达东康曲轴有限公司 | Automatic assembling machine for crankshaft flange and gear ring |
| CN201559053U (en) * | 2009-11-11 | 2010-08-25 | 阜新蒙古族自治县阜中液压件厂 | Assembling die of V-shaped belt wheel of automobile power steering pump |
| CN103394893B (en) * | 2013-07-03 | 2016-04-13 | 广西玉柴机器股份有限公司 | Belt pulley press-loading apparatus and pressing method |
| CN204893844U (en) * | 2015-09-09 | 2015-12-23 | 广西玉柴机器股份有限公司 | Engine belt pulley's push in device |
-
2015
- 2015-09-09 CN CN201510568365.9A patent/CN105058306B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105058306A (en) | 2015-11-18 |
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