CN105058306A - Press-in device of engine belt pulley - Google Patents
Press-in device of engine belt pulley Download PDFInfo
- Publication number
- CN105058306A CN105058306A CN201510568365.9A CN201510568365A CN105058306A CN 105058306 A CN105058306 A CN 105058306A CN 201510568365 A CN201510568365 A CN 201510568365A CN 105058306 A CN105058306 A CN 105058306A
- Authority
- CN
- China
- Prior art keywords
- helical gear
- belt pulley
- press
- bearing disc
- engine belt
- 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.)
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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
- 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
Abstract
The invention discloses a press-in device of an engine belt pulley. The press-in device comprises a support, a gear box, a pull rod, an oil cylinder and a threaded rod; the support is provided with a bearing plate, a support rod and a flange plate, and the bearing plate is provided with a bearing plate center hole and a bearing-plate pendulum-shaped cavity; the gear box comprises a first bevel gear, a hook-headed flat key, a second bevel gear, a handwheel shaft and a box body, a second bevel gear center hole and a second bevel gear key groove are formed in the second bevel gear, and a main shaft hole, a vertical crossing hole and a box-body pendulum-shaped cavity are formed in the box body; the pull rod is slidably matched with the bearing plate center hole, a first bevel gear center hole and the main shaft hole and enables the hook-headed flat key to be slidably matched with a U-shaped key groove; the oil cylinder is fixed on the flange plate of the support, and a piston rod of the oil cylinder is connected with one end of the pull rod. The press-in device can significantly improve the assembly efficiency of the engine belt pulley.
Description
Technical field
The present invention relates to engine assembly field, particularly 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 when belt pulley and crankshaft journal elastic conjunction, causing other part deformation to damage for preventing knocking assembling energetically, usually adopting hydraulic means to press-fit.So belt pulley press-in device is by popularization and application.Current such device generally adopts combination shaft coupling, screw fastening flat key, bevel gear pair or worm and gear engaged transmission, separately gear-box form, and the many manufacturing costs of part are high, operation is heavy, maintenance is inconvenient.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of press-in device of simple and reasonable engine belt pulley, the press-in device of this engine belt pulley drives pull bar to retreat, the mechanism of rotation is simple and reliable, make simple, operate light, easy to maintenance, the efficiency of assembling of engine belt pulley can be increased substantially.
For achieving the above object, according to the press-in device that the invention provides a kind of engine belt pulley, comprising: support, it has bearing disc, support bar and flanged plate, and this bearing disc has bearing disc centre bore and bearing disc pendulum shape shape chamber; Gear-box, it comprises: the first helical gear, gib-headed flat key, the second helical gear, hand wheel shaft and casing, and described first helical gear offers the first helical gear centre bore, the first helical gear keyway and radial hole; Described gib-headed flat key fastens radial hole; Described second helical gear offers the second helical gear centre bore and the second helical gear keyway; Described casing offers spindle hole, square crossing hole and casing pendulum shape shape chamber; Fit formative gear room in the casing pendulum shape shape chamber of described casing and the bearing disc pendulum shape shape chamber of bearing disc; Described first helical gear coaxially supports installation 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 supporting in square crossing hole and location, the other end of described hand wheel shaft is fixed with handwheel; Described first helical gear and the second helical gear intersect engaged transmission in described gear chamber; Pull bar, its periphery offers axial U-shaped keyway, and this pull bar and bearing disc centre bore, the first helical gear centre bore, spindle hole cunning are joined, and described gib-headed flat key and U-shaped keyway cunning are joined; Oil cylinder, it is fixed on the flanged plate of described support, and the piston rod of this 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 and the engine crankshaft microcephaly screw adaptation of this screw rod screw.
Preferably, in technique scheme, bearing disc has locating ring, and this locating ring is positioned at the outside in described bearing disc pendulum shape shape chamber, and described casing and bearing disc are felt relieved by spindle hole and locating ring.
Preferably, in technique scheme, one end of pull bar has the first screw, and described screw rod one end screws fastening by locking bullet pad and this first screw.
Preferably, in technique scheme, the piston rod of oil cylinder is connected by shaft coupling with one end of pull bar.
Preferably, in technique scheme, the other end of pull bar offers circumferential groove in its end portion, and described shaft coupling has the second screw and U-shaped draw-in groove, and described second screw is used for screwing fastening with the piston rod of oil cylinder, and described U-shaped draw-in groove and the sliding accessory of annular groove connect.
Preferably, in technique scheme, the first helical gear and the second helical gear are that 45 ° of helical angles intersect engaged transmission.
Preferably, in technique scheme, one end of hand wheel shaft has hand wheel shaft keyway, the shaft shoulder, and the other end has radial hole, turret head; Described second helical gear is set in hand wheel shaft, and is installed on hand wheel shaft keyway by flat key, and the shaft shoulder, deep groove ball bearing, hole back-up ring, circlip groove combine realization supporting and location.
Preferably, in technique scheme, handwheel is connected by resilient key, radial hole and hand wheel shaft.
Compared with prior art, the present invention has following beneficial effect: the press-in device of this engine belt pulley drives pull bar to retreat, the mechanism of rotation is simple and reliable, make simple, operate light, easy to maintenance, the efficiency of assembling of engine belt pulley can be increased substantially.
Accompanying drawing explanation
Fig. 1 is the structural representation of the press-in device of engine belt pulley of the present invention.
Fig. 2 is the Tiebar structure schematic diagram of the press-in device of engine belt pulley of the present invention.
Fig. 3 is the bearing disc structural representation of the press-in device of engine belt pulley of the present invention.
Fig. 4 is the shaft coupling perspective view of the press-in device of engine belt pulley of the present invention.
Fig. 5 is the shaft coupling sectional structure schematic diagram of the press-in device of engine belt pulley of the present invention.
Fig. 6 is the gib-headed flat key structural representation of the press-in device of engine belt pulley of the present invention.
Fig. 7 is the first helical gear structural representation of the press-in device of engine belt pulley of the present invention.
Fig. 8 is the second helical gear structural representation of the press-in device of engine belt pulley of the present invention.
Fig. 9 is the hand wheel shaft structural representation of the press-in device of engine belt pulley of the present invention.
Figure 10 is the body structure schematic diagram of the press-in device of engine belt pulley of the present invention.
Figure 11 is the first assembly structure schematic diagram of the press-in device of engine belt pulley of the present invention.
Figure 12 is the second assembly structure schematic diagram of the press-in device of engine belt pulley of the present invention.
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.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figure 1, comprise according to the concrete structure of the press-in device of the engine belt pulley of the specific embodiment of the invention: pull bar 1, support 2, shaft coupling 3, gear-box 4, handwheel 5, screw rod 6 and oil cylinder 7.During application, wheel 5 of shaking the hand by hand makes the screw rod 6 being fixed on pull bar 1 outer end screw bent axle microcephaly screw, and makes the bearing disc of support 2 against belt pulley end face, and the piston rod controlling oil cylinder 7 stretches out and belt pulley is pressed into predetermined axle journal position.Stretch out piston rod after putting in place, reversing handle 5 is separated screw rod 6.The mechanism that the press-in device of this engine belt pulley drives pull bar to retreat, rotate is simple and reliable, make simple, operate light, easy to maintenance, the efficiency of assembling of engine belt pulley can be increased substantially.
Specifically, as shown in Figure 2, one end of pull bar 1 has screw 11, and the other end offers circumferential groove in its end portion 13, and the periphery of pull bar 1 offers axial U-shaped keyway 12.Support 2 is weldment, has bearing disc 21, support bar and flanged plate, and as shown in Figure 3, this bearing disc 21 has locating ring 211, bearing disc centre bore 212 and bearing disc pendulum shape shape chamber 213, and locating ring 211 is positioned 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 for screwing fastening with the piston rod of oil cylinder 7, and U-shaped draw-in groove 32 connects with the sliding accessory of annular groove 13.Gear-box 4 comprises: the first helical gear 41, gib-headed flat key 42 (as shown in Figure 6), the second helical gear 44, hand wheel shaft 46 and casing 49.Wherein, as shown in Figure 7, the first helical gear 41 offers the first helical gear centre bore 411, first helical gear keyway 412 and radial hole 413; As shown in Figure 8, the second helical gear 44 offers the second helical gear centre bore 441 and the second helical gear keyway 442; As shown in Figure 9, one end of hand wheel shaft 46 has hand wheel shaft keyway 461, the shaft shoulder 462, and the other end has radial hole 463, turret head 464; As shown in Figure 10, casing 49, in " convex " shape, offers spindle hole 491, square crossing hole 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 at hand wheel shaft keyway 461, 1 bearing close-fitting to the shaft shoulder 462 without key side, then a bearing is tight with at inside square crossing hole 492, hand wheel shaft 46 is stretched into outside cross bore 492, the second helical gear 44 is put into from casing pendulum shape shape chamber 493, make hand wheel shaft 46 have key side and flat key to slide and be fitted on centre bore 441, keyway 442, then hand wheel shaft 46 is made to have key side to continue close-fitting to inboard bearing inner ring, after putting in place, hole back-up ring is installed to circlip groove 494, second helical gear 44 is set in hand wheel shaft 46, flat key is installed on keyway 461, the shaft shoulder 462, deep groove ball bearing, hole back-up ring, circlip groove 494 is combined and is realized the supporting in square crossing hole 492 of the second helical gear 44 and hand wheel shaft 46 and location.So far hand wheel shaft 46, second helical gear 44 realizes in the location of casing 49, supporting, connection.Then the spindle hole 491 of bearing 43 close-fitting to casing 49, another close-fitting is to the centre bore 212 of bearing disc 21, then the first helical gear 41 there is radial hole 413 one end close-fitting to the brearing bore of casing 49, first helical gear 41 coaxially supports installation with spindle hole 491, centre bore 212 respectively by deep groove ball bearing, and centre bore 411 runs through spindle hole 491, centre bore 212; And ensureing the first helical gear 41 and the second helical gear 44 positive engagement, the first helical gear 41 and the second helical gear 44 be 45 ° of helical angles, in gear chamber, intersect engaged transmission.Handwheel 5 is connected with hand wheel shaft 46 by resilient key, radial hole 463.Then join sliding to casing 49 spindle hole 491 and the locating ring 211 of bearing disc 21 and make the brearing bore close-fitting without radial hole 413 one end and bearing disc 21 of the first helical gear 41, trip bolt after putting in place, so far gear chamber assembling is complete, casing 49 and bearing disc 21 are felt relieved by spindle hole 491 and locating ring 211, are fitted in formative gear room in bearing disc pendulum shape shape chamber 213 and casing pendulum shape shape chamber 493, and centre bore 411 runs through spindle hole 491, centre bore 212.
Gib-headed flat key fastens radial hole 413, flat key is sliding joins keyway 412, slide to join pull bar 1 and gib-headed flat key 42 and U-shaped keyway 12 are slided join through centre bore 212, centre bore 411, spindle hole 491 simultaneously, after pull bar 1 passes through, make the U-shaped draw-in groove 32 of shaft coupling 3 detain positive annular groove 13, then make screw 31 screw piston rod and fastening.
Then be connected oil cylinder 7 on flanged plate 23, pull bar 1 is sliding is assigned in spindle hole 491, and annular groove 13 is joined with U-shaped draw-in groove 32 is sliding, puts into gib-headed flat key 42 from spindle hole 491, gib-headed flat key 42 fastens radial hole 413 and joins with U-shaped keyway 12 is sliding, and screw 31 screws fastening with the piston rod of oil cylinder 7.Screw rod 6 one end screws fastening by locking bullet pad and screw 11, and one end and engine crankshaft microcephaly screw screw.Rocking-turn handwheel 5, the second helical gear 44 of hand wheel shaft 46 engages the first helical gear 41, drives it to rotate, and drives pull bar 1 and screw rod 6 to rotate by gib-headed flat key 42; The turnover of oil cylinder 7 piston rod drives shaft coupling 3 and drives pull bar 1 and the motion of screw rod 6 advance and retreat.
Screw rod 6 screws bent axle microcephaly screw, makes bearing disc 21 against belt pulley end face, and control oil cylinder 7 piston rod stretches out and belt pulley is pressed into predetermined axle journal position, and stretch out piston rod after putting in place, reversing handle 5 is separated screw rod 6.Owing to adopting the shaft coupling of band U-shaped draw-in groove 32, adopt gib-headed flat key 42 to fasten radial hole 413 to join with U-shaped keyway 12 is sliding, adopt 45 ° of helical angle first helical gears 41,44 intersection engaged transmission, adopt bearing disc to take into account the measures such as gear chamber cover, mechanism driving pull bar 1 is retreated, rotating is simple and reliable.This device adopts the shaft coupling of band U-shaped draw-in groove 32; Adopt pendulum shape shape chamber gear chamber, bearing disc 21 takes into account the measures such as gear chamber cover, mechanism driving pull bar 1 is retreated, rotating is simple and reliable, make simple, operate light, easy to maintenance, belt pulley efficiency of assembling can be improved.
The press-in device of this engine belt pulley can with low-speed maneuver sleeve connection, realize mechanical rocking-turn.
To sum up, the press-in device of this engine belt pulley drives pull bar to retreat, the mechanism that rotates is simple and reliable, make simple, operate light, easy to maintenance, the efficiency of assembling of engine belt pulley can be increased substantially.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (8)
1. a press-in device for engine belt pulley, is characterized in that, comprising:
Support, it has bearing disc, support bar and flanged plate, and this bearing disc has bearing disc centre bore and bearing disc pendulum shape shape chamber;
Gear-box, it comprises: the first helical gear, gib-headed flat key, the second helical gear, hand wheel shaft and casing, and described first helical gear offers the first helical gear centre bore, the first helical gear keyway and radial hole; Described gib-headed flat key fastens described radial hole; Described second helical gear offers the second helical gear centre bore and the second helical gear keyway; Described casing offers spindle hole, square crossing hole and casing pendulum shape shape chamber; Fit formative gear room in the casing pendulum shape shape chamber of described casing and the bearing disc pendulum shape shape chamber of described bearing disc; Described first helical gear coaxially supports installation 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 in the supporting of described square crossing hole and location, the other end of described hand wheel shaft is fixed with handwheel; Described first helical gear and the second helical gear intersect engaged transmission in described gear chamber;
Pull bar, its periphery offers axial U-shaped keyway, and this pull bar and bearing disc centre bore, the first helical gear centre bore, spindle hole cunning are joined, and described gib-headed flat key and U-shaped keyway cunning are joined;
Oil cylinder, it is fixed on the flanged plate of described support, and the piston rod of this 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 and the engine crankshaft microcephaly screw adaptation of this screw rod screw.
2. the press-in device of engine belt pulley according to claim 1, is characterized in that, described bearing disc has locating ring, and this locating ring is positioned at the outside in described bearing disc pendulum shape shape chamber, and described casing and bearing disc are felt relieved by spindle hole and locating ring.
3. the press-in device of engine belt pulley according to claim 1, is characterized in that, one end of described pull bar has the first screw, and one end of described screw rod screws fastening by locking bullet pad and this first screw.
4. the press-in device of engine belt pulley according to claim 1, is characterized in that, the piston rod of described oil cylinder is connected by shaft coupling with one end of pull bar.
5. the press-in device of engine belt pulley according to claim 4, it is characterized in that, the other end of described pull bar offers circumferential groove in its end portion, described shaft coupling has the second screw and U-shaped draw-in groove, described second screw is used for screwing fastening with the piston rod of oil cylinder, and described U-shaped draw-in groove and the sliding accessory of annular groove connect.
6. the press-in device of engine belt pulley according to claim 1, is characterized in that, described first helical gear and the second helical gear are that 45 ° of helical angles intersect engaged transmission.
7. the press-in device of engine belt pulley according to claim 1, is characterized in that, one end of described hand wheel shaft has hand wheel shaft keyway, the shaft shoulder, and the other end has radial hole, turret head; Described second helical gear is set in hand wheel shaft, and is installed on hand wheel shaft keyway by flat key, and the shaft shoulder, deep groove ball bearing, hole back-up ring, circlip groove combine realization supporting and location.
8. the press-in device of engine belt pulley according to claim 7, is characterized in that, described handwheel is connected by resilient key, radial hole and hand wheel shaft.
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 true CN105058306A (en) | 2015-11-18 |
| CN105058306B CN105058306B (en) | 2017-07-07 |
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| 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 |
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| CN (1) | CN105058306B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649862A (en) * | 2017-10-17 | 2018-02-02 | 河南瑞创通用机械制造有限公司 | A kind of belt pulley press-loading apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060196029A1 (en) * | 2005-03-04 | 2006-09-07 | Horst Klann | Device for extracting and pressing in a wheel bearing that is closed in 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 |
| CN103394893A (en) * | 2013-07-03 | 2013-11-20 | 广西玉柴机器股份有限公司 | Belt wheel press assembling device and press assembling 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
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060196029A1 (en) * | 2005-03-04 | 2006-09-07 | Horst Klann | Device for extracting and pressing in a wheel bearing that is closed in 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 |
| CN103394893A (en) * | 2013-07-03 | 2013-11-20 | 广西玉柴机器股份有限公司 | Belt wheel press assembling device and press assembling 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649862A (en) * | 2017-10-17 | 2018-02-02 | 河南瑞创通用机械制造有限公司 | A kind of belt pulley press-loading apparatus |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105058306B (en) | 2017-07-07 |
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